diff --git a/Authentication/Anonymous/XMPPAnonymousAuthentication.h b/Authentication/Anonymous/XMPPAnonymousAuthentication.h
new file mode 100644
index 0000000..94b5515
--- /dev/null
+++ b/Authentication/Anonymous/XMPPAnonymousAuthentication.h
@@ -0,0 +1,45 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPP.h"
+
+
+@interface XMPPAnonymousAuthentication : NSObject <XMPPSASLAuthentication>
+
+- (id)initWithStream:(XMPPStream *)stream;
+
+// This class implements the XMPPSASLAuthentication protocol.
+// 
+// See XMPPSASLAuthentication.h for more information.
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPAnonymousAuthentication)
+
+/**
+ * Returns whether or not the server support anonymous authentication.
+ * 
+ * This information is available after the stream is connected.
+ * In other words, after the delegate has received xmppStreamDidConnect: notification.
+**/
+- (BOOL)supportsAnonymousAuthentication;
+
+/**
+ * This method attempts to start the anonymous authentication process.
+ * 
+ * This method is asynchronous.
+ * 
+ * If there is something immediately wrong,
+ * such as the stream is not connected or doesn't support anonymous authentication,
+ * the method will return NO and set the error.
+ * Otherwise the delegate callbacks are used to communicate auth success or failure.
+ * 
+ * @see xmppStreamDidAuthenticate:
+ * @see xmppStream:didNotAuthenticate:
+**/
+- (BOOL)authenticateAnonymously:(NSError **)errPtr;
+
+@end
diff --git a/Authentication/Anonymous/XMPPAnonymousAuthentication.m b/Authentication/Anonymous/XMPPAnonymousAuthentication.m
new file mode 100644
index 0000000..aadc1a7
--- /dev/null
+++ b/Authentication/Anonymous/XMPPAnonymousAuthentication.m
@@ -0,0 +1,131 @@
+#import "XMPPAnonymousAuthentication.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+/**
+ * Seeing a return statements within an inner block
+ * can sometimes be mistaken for a return point of the enclosing method.
+ * This makes inline blocks a bit easier to read.
+**/
+#define return_from_block  return
+
+
+@implementation XMPPAnonymousAuthentication
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+}
+
++ (NSString *)mechanismName
+{
+	return @"ANONYMOUS";
+}
+
+- (id)initWithStream:(XMPPStream *)stream
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+	}
+	return self;
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
+{
+	return [self initWithStream:stream];
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="ANONYMOUS" />
+	
+	NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[auth addAttributeWithName:@"mechanism" stringValue:@"ANONYMOUS"];
+	
+	[xmppStream sendAuthElement:auth];
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	// We're expecting a success response.
+	// If we get anything else we can safely assume it's the equivalent of a failure response.
+	
+	if ([[authResponse name] isEqualToString:@"success"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPAnonymousAuthentication)
+
+- (BOOL)supportsAnonymousAuthentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPAnonymousAuthentication mechanismName]];
+}
+
+- (BOOL)authenticateAnonymously:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([self supportsAnonymousAuthentication])
+		{
+			XMPPAnonymousAuthentication *anonymousAuth = [[XMPPAnonymousAuthentication alloc] initWithStream:self];
+			
+			result = [self authenticate:anonymousAuth error:&err];
+		}
+		else
+		{
+			NSString *errMsg = @"The server does not support anonymous authentication.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+		}
+	}};
+
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+@end
diff --git a/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.h b/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.h
new file mode 100644
index 0000000..4993f03
--- /dev/null
+++ b/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.h
@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+
+@interface XMPPDeprecatedDigestAuthentication : NSObject <XMPPSASLAuthentication>
+
+// This class implements the XMPPSASLAuthentication protocol.
+// 
+// See XMPPSASLAuthentication.h for more information.
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPDeprecatedDigestAuthentication)
+
+- (BOOL)supportsDeprecatedDigestAuthentication;
+
+@end
diff --git a/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.m b/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.m
new file mode 100644
index 0000000..c39b521
--- /dev/null
+++ b/Authentication/Deprecated-Digest/XMPPDeprecatedDigestAuthentication.m
@@ -0,0 +1,162 @@
+#import "XMPPDeprecatedDigestAuthentication.h"
+#import "XMPP.h"
+#import "XMPPInternal.h"
+#import "XMPPLogging.h"
+#import "NSData+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+@implementation XMPPDeprecatedDigestAuthentication
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	NSString *password;
+}
+
++ (NSString *)mechanismName
+{
+	// This deprecated method isn't listed in the normal mechanisms list
+	return nil;
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)inPassword
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+		password = inPassword;
+	}
+	return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	// The server does not appear to support SASL authentication (at least any type we can use)
+	// So we'll revert back to the old fashioned jabber:iq:auth mechanism
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *username = [myJID user];
+	NSString *resource = [myJID resource];
+	
+	if ([resource length] == 0)
+	{
+		// If resource is nil or empty, we need to auto-create one
+		
+		resource = [XMPPStream generateUUID];
+	}
+	
+	NSString *rootID = [[[xmppStream rootElement] attributeForName:@"id"] stringValue];
+	NSString *digestStr = [NSString stringWithFormat:@"%@%@", rootID, password];
+	
+	NSString *digest = [[[digestStr dataUsingEncoding:NSUTF8StringEncoding] xmpp_sha1Digest] xmpp_hexStringValue];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:auth"];
+	[query addChild:[NSXMLElement elementWithName:@"username" stringValue:username]];
+	[query addChild:[NSXMLElement elementWithName:@"resource" stringValue:resource]];
+	[query addChild:[NSXMLElement elementWithName:@"digest"   stringValue:digest]];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+	[iq addChild:query];
+	
+	[xmppStream sendAuthElement:iq];
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We used the old fashioned jabber:iq:auth mechanism
+	
+	if ([[authResponse attributeStringValueForName:@"type"] isEqualToString:@"error"])
+	{
+		return XMPP_AUTH_FAIL;
+	}
+	else
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+}
+
+- (BOOL)shouldResendOpeningNegotiationAfterSuccessfulAuthentication
+{
+	return NO;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPDeprecatedDigestAuthentication)
+
+/**
+ * This method only applies to servers that don't support XMPP version 1.0, as defined in RFC 3920.
+ * With these servers, we attempt to discover supported authentication modes via the jabber:iq:auth namespace.
+**/
+- (BOOL)supportsDeprecatedDigestAuthentication
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (self.state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			// Search for an iq element within the rootElement.
+			// Recall that some servers might stupidly add a "jabber:client" namespace which might cause problems
+			// if we simply used the elementForName method.
+			
+			NSXMLElement *iq = nil;
+			
+			NSUInteger i, count = [self.rootElement childCount];
+			for (i = 0; i < count; i++)
+			{
+				NSXMLNode *childNode = [self.rootElement childAtIndex:i];
+				
+				if ([childNode kind] == NSXMLElementKind)
+				{
+					if ([[childNode name] isEqualToString:@"iq"])
+					{
+						iq = (NSXMLElement *)childNode;
+					}
+				}
+			}
+			
+			NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:auth"];
+			NSXMLElement *digest = [query elementForName:@"digest"];
+			
+			result = (digest != nil);
+		}
+	}};
+
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+@end
diff --git a/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.h b/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.h
new file mode 100644
index 0000000..b86efa3
--- /dev/null
+++ b/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.h
@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+
+@interface XMPPDeprecatedPlainAuthentication : NSObject <XMPPSASLAuthentication>
+
+// This class implements the XMPPSASLAuthentication protocol.
+// 
+// See XMPPSASLAuthentication.h for more information.
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPDeprecatedPlainAuthentication)
+
+- (BOOL)supportsDeprecatedPlainAuthentication;
+
+@end
diff --git a/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.m b/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.m
new file mode 100644
index 0000000..f6c36b4
--- /dev/null
+++ b/Authentication/Deprecated-Plain/XMPPDeprecatedPlainAuthentication.m
@@ -0,0 +1,156 @@
+#import "XMPPDeprecatedPlainAuthentication.h"
+#import "XMPP.h"
+#import "XMPPInternal.h"
+#import "XMPPLogging.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+@implementation XMPPDeprecatedPlainAuthentication
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	NSString *password;
+}
+
++ (NSString *)mechanismName
+{
+	// This deprecated method isn't listed in the normal mechanisms list
+	return nil;
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)inPassword
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+		password = inPassword;
+	}
+	return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	// The server does not appear to support SASL authentication (at least any type we can use)
+	// So we'll revert back to the old fashioned jabber:iq:auth mechanism
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *username = [myJID user];
+	NSString *resource = [myJID resource];
+	
+	if ([resource length] == 0)
+	{
+		// If resource is nil or empty, we need to auto-create one
+		
+		resource = [XMPPStream generateUUID];
+	}
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:auth"];
+	[query addChild:[NSXMLElement elementWithName:@"username" stringValue:username]];
+	[query addChild:[NSXMLElement elementWithName:@"resource" stringValue:resource]];
+	[query addChild:[NSXMLElement elementWithName:@"password" stringValue:password]];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+	[iq addChild:query];
+	
+	[xmppStream sendAuthElement:iq];
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We used the old fashioned jabber:iq:auth mechanism
+	
+	if ([[authResponse attributeStringValueForName:@"type"] isEqualToString:@"error"])
+	{
+		return XMPP_AUTH_FAIL;
+	}
+	else
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+}
+
+- (BOOL)shouldResendOpeningNegotiationAfterSuccessfulAuthentication
+{
+	return NO;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPDeprecatedPlainAuthentication)
+
+/**
+ * This method only applies to servers that don't support XMPP version 1.0, as defined in RFC 3920.
+ * With these servers, we attempt to discover supported authentication modes via the jabber:iq:auth namespace.
+**/
+- (BOOL)supportsDeprecatedPlainAuthentication
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (self.state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			// Search for an iq element within the rootElement.
+			// Recall that some servers might stupidly add a "jabber:client" namespace which might cause problems
+			// if we simply used the elementForName method.
+			
+			NSXMLElement *iq = nil;
+			
+			NSUInteger i, count = [self.rootElement childCount];
+			for (i = 0; i < count; i++)
+			{
+				NSXMLNode *childNode = [self.rootElement childAtIndex:i];
+				
+				if ([childNode kind] == NSXMLElementKind)
+				{
+					if ([[childNode name] isEqualToString:@"iq"])
+					{
+						iq = (NSXMLElement *)childNode;
+					}
+				}
+			}
+			
+			NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:auth"];
+			NSXMLElement *plain = [query elementForName:@"password"];
+			
+			result = (plain != nil);
+		}
+	}};
+
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+@end
diff --git a/Authentication/Digest-MD5/XMPPDigestMD5Authentication.h b/Authentication/Digest-MD5/XMPPDigestMD5Authentication.h
new file mode 100644
index 0000000..b228781
--- /dev/null
+++ b/Authentication/Digest-MD5/XMPPDigestMD5Authentication.h
@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+
+@interface XMPPDigestMD5Authentication : NSObject <XMPPSASLAuthentication>
+
+// This class implements the XMPPSASLAuthentication protocol.
+// 
+// See XMPPSASLAuthentication.h for more information.
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPDigestMD5Authentication)
+
+- (BOOL)supportsDigestMD5Authentication;
+
+@end
diff --git a/Authentication/Digest-MD5/XMPPDigestMD5Authentication.m b/Authentication/Digest-MD5/XMPPDigestMD5Authentication.m
new file mode 100644
index 0000000..28d4697
--- /dev/null
+++ b/Authentication/Digest-MD5/XMPPDigestMD5Authentication.m
@@ -0,0 +1,336 @@
+#import "XMPPDigestMD5Authentication.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "NSData+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPDigestMD5Authentication ()
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	BOOL awaitingChallenge;
+	
+	NSString *realm;
+	NSString *nonce;
+	NSString *qop;
+	NSString *cnonce;
+	NSString *digestURI;
+	NSString *username;
+	NSString *password;
+}
+
+// The properties are hooks (primarily for testing)
+
+@property (nonatomic, strong) NSString *realm;
+@property (nonatomic, strong) NSString *nonce;
+@property (nonatomic, strong) NSString *qop;
+@property (nonatomic, strong) NSString *cnonce;
+@property (nonatomic, strong) NSString *digestURI;
+@property (nonatomic, strong) NSString *username;
+@property (nonatomic, strong) NSString *password;
+
+- (NSDictionary *)dictionaryFromChallenge:(NSXMLElement *)challenge;
+- (NSString *)base64EncodedFullResponse;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPDigestMD5Authentication
+
++ (NSString *)mechanismName
+{
+	return @"DIGEST-MD5";
+}
+
+@synthesize realm;
+@synthesize nonce;
+@synthesize qop;
+@synthesize cnonce;
+@synthesize digestURI;
+@synthesize username;
+@synthesize password;
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)inPassword
+{
+	return [self initWithStream:stream username:nil password:inPassword];
+}
+
+- (id)initWithStream:(XMPPStream *)stream username:(NSString *)inUsername password:(NSString *)inPassword
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+		username = inUsername;
+		password = inPassword;
+	}
+	return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="DIGEST-MD5" />
+	
+	NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[auth addAttributeWithName:@"mechanism" stringValue:@"DIGEST-MD5"];
+	
+	[xmppStream sendAuthElement:auth];
+	awaitingChallenge = YES;
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth1:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We're expecting a challenge response.
+	// If we get anything else we're going to assume it's some kind of failure response.
+	
+	if (![[authResponse name] isEqualToString:@"challenge"])
+	{
+		return XMPP_AUTH_FAIL;
+	}
+	
+	// Extract components from incoming challenge
+	
+	NSDictionary *auth = [self dictionaryFromChallenge:authResponse];
+	
+	realm   = auth[@"realm"];
+	nonce   = auth[@"nonce"];
+	qop     = auth[@"qop"];
+	
+	// Fill out all the other variables
+	// 
+	// Sometimes the realm isn't specified.
+	// In this case I believe the realm is implied as the virtual host name.
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *virtualHostName = [myJID domain];
+	NSString *serverHostName = xmppStream.hostName;
+	
+	if (realm == nil)
+	{
+		if ([virtualHostName length] > 0)
+			realm = virtualHostName;
+		else
+			realm = serverHostName;
+	}
+	
+	if ([virtualHostName length] > 0)
+		digestURI = [NSString stringWithFormat:@"xmpp/%@", virtualHostName];
+	else
+		digestURI = [NSString stringWithFormat:@"xmpp/%@", serverHostName];
+	
+	if (cnonce == nil)
+		cnonce = [XMPPStream generateUUID];
+	
+	if (username == nil)
+	{
+		username = [myJID user];
+	}
+	
+	// Create and send challenge response element
+	
+	NSXMLElement *response = [NSXMLElement elementWithName:@"response" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[response setStringValue:[self base64EncodedFullResponse]];
+	
+	[xmppStream sendAuthElement:response];
+	awaitingChallenge = NO;
+	
+	return XMPP_AUTH_CONTINUE;
+}
+
+- (XMPPHandleAuthResponse)handleAuth2:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	if ([[authResponse name] isEqualToString:@"challenge"])
+	{
+		NSDictionary *auth = [self dictionaryFromChallenge:authResponse];
+		NSString *rspauth = auth[@"rspauth"];
+		
+		if (rspauth == nil)
+		{
+			// We're getting another challenge?
+			// Not sure what this could possibly be, so for now we'll assume it's a failure.
+			
+			return XMPP_AUTH_FAIL;
+		}
+		else
+		{
+			// We received another challenge, but it's really just an rspauth
+			// This is supposed to be included in the success element (according to the updated RFC)
+			// but many implementations incorrectly send it inside a second challenge request.
+			// 
+			// Create and send empty challenge response element.
+			
+			NSXMLElement *response =
+			    [NSXMLElement elementWithName:@"response" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+			
+			[xmppStream sendAuthElement:response];
+			
+			return XMPP_AUTH_CONTINUE;
+		}
+	}
+	else if ([[authResponse name] isEqualToString:@"success"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}	
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)auth
+{
+	XMPPLogTrace();
+	
+	if (awaitingChallenge)
+	{
+		return [self handleAuth1:auth];
+	}
+	else
+	{
+		return [self handleAuth2:auth];
+	}
+}
+
+- (NSDictionary *)dictionaryFromChallenge:(NSXMLElement *)challenge
+{
+	// The value of the challenge stanza is base 64 encoded.
+	// Once "decoded", it's just a string of key=value pairs separated by commas.
+	
+	NSData *base64Data = [[challenge stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+	NSData *decodedData = [base64Data xmpp_base64Decoded];
+	
+	NSString *authStr = [[NSString alloc] initWithData:decodedData encoding:NSUTF8StringEncoding];
+	
+	XMPPLogVerbose(@"%@: Decoded challenge: %@", THIS_FILE, authStr);
+	
+	NSArray *components = [authStr componentsSeparatedByString:@","];
+	NSMutableDictionary *auth = [NSMutableDictionary dictionaryWithCapacity:5];
+	
+	for (NSString *component in components)
+	{
+		NSRange separator = [component rangeOfString:@"="];
+		if (separator.location != NSNotFound)
+		{
+			NSMutableString *key = [[component substringToIndex:separator.location] mutableCopy];
+			NSMutableString *value = [[component substringFromIndex:separator.location+1] mutableCopy];
+			
+			if(key) CFStringTrimWhitespace((__bridge CFMutableStringRef)key);
+			if(value) CFStringTrimWhitespace((__bridge CFMutableStringRef)value);
+			
+			if ([value hasPrefix:@"\""] && [value hasSuffix:@"\""] && [value length] > 2)
+			{
+				// Strip quotes from value
+				[value deleteCharactersInRange:NSMakeRange(0, 1)];
+				[value deleteCharactersInRange:NSMakeRange([value length]-1, 1)];
+			}
+			
+            if(key && value)
+            {
+                auth[key] = value;
+            }
+		}
+	}
+	
+	return auth;
+}
+
+- (NSString *)response
+{
+	NSString *HA1str = [NSString stringWithFormat:@"%@:%@:%@", username, realm, password];
+	NSString *HA2str = [NSString stringWithFormat:@"AUTHENTICATE:%@", digestURI];
+	
+	XMPPLogVerbose(@"HA1str: %@", HA1str);
+	XMPPLogVerbose(@"HA2str: %@", HA2str);
+	
+	NSData *HA1dataA = [[HA1str dataUsingEncoding:NSUTF8StringEncoding] xmpp_md5Digest];
+	NSData *HA1dataB = [[NSString stringWithFormat:@":%@:%@", nonce, cnonce] dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogVerbose(@"HA1dataA: %@", HA1dataA);
+	XMPPLogVerbose(@"HA1dataB: %@", HA1dataB);
+	
+	NSMutableData *HA1data = [NSMutableData dataWithCapacity:([HA1dataA length] + [HA1dataB length])];
+	[HA1data appendData:HA1dataA];
+	[HA1data appendData:HA1dataB];
+	
+	XMPPLogVerbose(@"HA1data: %@", HA1data);
+	
+	NSString *HA1 = [[HA1data xmpp_md5Digest] xmpp_hexStringValue];
+	
+	NSString *HA2 = [[[HA2str dataUsingEncoding:NSUTF8StringEncoding] xmpp_md5Digest] xmpp_hexStringValue];
+	
+	XMPPLogVerbose(@"HA1: %@", HA1);
+	XMPPLogVerbose(@"HA2: %@", HA2);
+	
+	NSString *responseStr = [NSString stringWithFormat:@"%@:%@:00000001:%@:auth:%@",
+                           HA1, nonce, cnonce, HA2];
+	
+	XMPPLogVerbose(@"responseStr: %@", responseStr);
+	
+	NSString *response = [[[responseStr dataUsingEncoding:NSUTF8StringEncoding] xmpp_md5Digest] xmpp_hexStringValue];
+	
+	XMPPLogVerbose(@"response: %@", response);
+	
+	return response;
+}
+
+- (NSString *)base64EncodedFullResponse
+{
+	NSMutableString *buffer = [NSMutableString stringWithCapacity:100];
+	[buffer appendFormat:@"username=\"%@\",", username];
+	[buffer appendFormat:@"realm=\"%@\",", realm];
+	[buffer appendFormat:@"nonce=\"%@\",", nonce];
+	[buffer appendFormat:@"cnonce=\"%@\",", cnonce];
+	[buffer appendFormat:@"nc=00000001,"];
+	[buffer appendFormat:@"qop=auth,"];
+	[buffer appendFormat:@"digest-uri=\"%@\",", digestURI];
+	[buffer appendFormat:@"response=%@,", [self response]];
+	[buffer appendFormat:@"charset=utf-8"];
+	
+	XMPPLogVerbose(@"%@: Decoded response: %@", THIS_FILE, buffer);
+	
+	NSData *utf8data = [buffer dataUsingEncoding:NSUTF8StringEncoding];
+	
+	return [utf8data xmpp_base64Encoded];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPDigestMD5Authentication)
+
+- (BOOL)supportsDigestMD5Authentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPDigestMD5Authentication mechanismName]];
+}
+
+@end
diff --git a/Authentication/Plain/XMPPPlainAuthentication.h b/Authentication/Plain/XMPPPlainAuthentication.h
new file mode 100644
index 0000000..a1f79f1
--- /dev/null
+++ b/Authentication/Plain/XMPPPlainAuthentication.h
@@ -0,0 +1,22 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+
+@interface XMPPPlainAuthentication : NSObject <XMPPSASLAuthentication>
+
+// This class implements the XMPPSASLAuthentication protocol.
+// 
+// See XMPPSASLAuthentication.h for more information.
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPPlainAuthentication)
+
+- (BOOL)supportsPlainAuthentication;
+
+@end
diff --git a/Authentication/Plain/XMPPPlainAuthentication.m b/Authentication/Plain/XMPPPlainAuthentication.m
new file mode 100644
index 0000000..7b74551
--- /dev/null
+++ b/Authentication/Plain/XMPPPlainAuthentication.m
@@ -0,0 +1,114 @@
+#import "XMPPPlainAuthentication.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "NSData+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+@implementation XMPPPlainAuthentication
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	NSString *username;
+	NSString *password;
+}
+
++ (NSString *)mechanismName
+{
+	return @"PLAIN";
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)inPassword
+{
+	return [self initWithStream:stream username:nil password:inPassword];
+}
+
+- (id)initWithStream:(XMPPStream *)stream username:(NSString *)inUsername password:(NSString *)inPassword
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+		username = inUsername;
+		password = inPassword;
+	}
+	return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	// From RFC 4616 - PLAIN SASL Mechanism:
+	// [authzid] UTF8NUL authcid UTF8NUL passwd
+	// 
+	// authzid: authorization identity
+	// authcid: authentication identity (username)
+	// passwd : password for authcid
+	
+	NSString *authUsername = username;
+	if (!authUsername)
+	{
+		authUsername = [xmppStream.myJID user];
+	}
+	
+	NSString *payload = [NSString stringWithFormat:@"\0%@\0%@", authUsername, password];
+	NSString *base64 = [[payload dataUsingEncoding:NSUTF8StringEncoding] xmpp_base64Encoded];
+	
+	// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="PLAIN">Base-64-Info</auth>
+	
+	NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[auth addAttributeWithName:@"mechanism" stringValue:@"PLAIN"];
+	[auth setStringValue:base64];
+	
+	[xmppStream sendAuthElement:auth];
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We're expecting a success response.
+	// If we get anything else we can safely assume it's the equivalent of a failure response.
+	
+	if ([[authResponse name] isEqualToString:@"success"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPPlainAuthentication)
+
+- (BOOL)supportsPlainAuthentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPPlainAuthentication mechanismName]];
+}
+
+@end
diff --git a/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.h b/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.h
new file mode 100644
index 0000000..cf741e7
--- /dev/null
+++ b/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.h
@@ -0,0 +1,21 @@
+//
+//  XMPPSCRAMSHA1Authentication.h
+//  iPhoneXMPP
+//
+//  Created by David Chiles on 3/21/14.
+//
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+@interface XMPPSCRAMSHA1Authentication : NSObject <XMPPSASLAuthentication>
+
+@end
+
+@interface XMPPStream (XMPPSCRAMSHA1Authentication)
+
+- (BOOL)supportsSCRAMSHA1Authentication;
+
+@end
diff --git a/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.m b/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.m
new file mode 100644
index 0000000..d0d795b
--- /dev/null
+++ b/Authentication/SCRAM-SHA-1/XMPPSCRAMSHA1Authentication.m
@@ -0,0 +1,342 @@
+//
+//  XMPPSCRAMSHA1Authentication.m
+//  iPhoneXMPP
+//
+//  Created by David Chiles on 3/21/14.
+//
+//
+
+#import "XMPPSCRAMSHA1Authentication.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPStream.h"
+#import "XMPPInternal.h"
+#import "NSData+XMPP.h"
+#import "XMPPStringPrep.h"
+
+#import <CommonCrypto/CommonKeyDerivation.h>
+
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPSCRAMSHA1Authentication ()
+{
+    #if __has_feature(objc_arc_weak)
+        __weak XMPPStream *xmppStream;
+    #else
+        __unsafe_unretained XMPPStream *xmppStream;
+    #endif
+}
+
+@property (nonatomic) BOOL awaitingChallenge;
+@property (nonatomic, strong) NSString *username;
+@property (nonatomic, strong) NSString *password;
+@property (nonatomic, strong) NSString *clientNonce;
+@property (nonatomic, strong) NSString *combinedNonce;
+@property (nonatomic, strong) NSString *salt;
+@property (nonatomic, strong) NSNumber *count;
+@property (nonatomic, strong) NSString *serverMessage1;
+@property (nonatomic, strong) NSString *clientFirstMessageBare;
+@property (nonatomic, strong) NSData *serverSignatureData;
+@property (nonatomic, strong) NSData *clientProofData;
+@property (nonatomic) CCHmacAlgorithm hashAlgorithm;
+
+@end
+
+///////////RFC5802 http://tools.ietf.org/html/rfc5802 //////////////
+
+//Channel binding not yet supported
+
+@implementation XMPPSCRAMSHA1Authentication
+
++ (NSString *)mechanismName
+{
+	return @"SCRAM-SHA-1";
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
+{
+	return [self initWithStream:stream username:nil password:password];
+}
+
+- (id)initWithStream:(XMPPStream *)stream username:(NSString *)username password:(NSString *)password
+{
+    if ((self = [super init])) {
+        xmppStream = stream;
+        if (username)
+        {
+            _username = username;
+        }
+        else
+        {
+            _username = [XMPPStringPrep prepNode:[xmppStream.myJID user]];
+        }
+        _password = [XMPPStringPrep prepPassword:password];
+        _hashAlgorithm = kCCHmacAlgSHA1;
+    }
+    return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+
+    if(self.username.length || self.password.length) {
+        
+        NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+        [auth addAttributeWithName:@"mechanism" stringValue:@"SCRAM-SHA-1"];
+        [auth setStringValue:[self clientMessage1]];
+        
+        [xmppStream sendAuthElement:auth];
+        self.awaitingChallenge = YES;
+        
+        return YES;
+    }
+    else {
+        return NO;
+    }
+}
+
+- (XMPPHandleAuthResponse)handleAuth1:(NSXMLElement *)authResponse
+{
+    XMPPLogTrace();
+	
+	// We're expecting a challenge response.
+	// If we get anything else we're going to assume it's some kind of failure response.
+	
+	if (![[authResponse name] isEqualToString:@"challenge"])
+	{
+		return XMPP_AUTH_FAIL;
+	}
+    
+    NSDictionary *auth = [self dictionaryFromChallenge:authResponse];
+    
+    NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
+    [numberFormatter setNumberStyle:NSNumberFormatterDecimalStyle];
+    
+    self.combinedNonce = auth[@"r"];
+    self.salt = auth[@"s"];
+    self.count = [numberFormatter numberFromString:auth[@"i"]];
+    
+    //We have all the necessary information to calculate client proof and server signature
+    if ([self calculateProofs]) {
+        NSXMLElement *response = [NSXMLElement elementWithName:@"response" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+        [response setStringValue:[self clientMessage2]];
+        
+        [xmppStream sendAuthElement:response];
+        self.awaitingChallenge = NO;
+        
+        return XMPP_AUTH_CONTINUE;
+    }
+    else {
+        return XMPP_AUTH_FAIL;
+    }
+}
+
+- (XMPPHandleAuthResponse)handleAuth2:(NSXMLElement *)authResponse
+{
+    XMPPLogTrace();
+    
+    NSDictionary *auth = [self dictionaryFromChallenge:authResponse];
+    
+    if ([[authResponse name] isEqual:@"success"]) {
+        NSString *receivedServerSignature = auth[@"v"];
+        
+        if([self.serverSignatureData isEqualToData:[[receivedServerSignature dataUsingEncoding:NSUTF8StringEncoding] xmpp_base64Decoded]]){
+            return XMPP_AUTH_SUCCESS;
+        }
+        else {
+            return XMPP_AUTH_FAIL;
+        }
+    }
+    else {
+        return XMPP_AUTH_FAIL;
+    }
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)auth
+{
+	XMPPLogTrace();
+	
+	if (self.awaitingChallenge) {
+		return [self handleAuth1:auth];
+	}
+	else {
+		return [self handleAuth2:auth];
+	}
+}
+
+- (NSString *)clientMessage1
+{
+    self.clientNonce = [XMPPStream generateUUID];
+    
+    self.clientFirstMessageBare = [NSString stringWithFormat:@"n=%@,r=%@",self.username,self.clientNonce];
+    
+    NSData *message1Data = [[NSString stringWithFormat:@"n,,%@",self.clientFirstMessageBare] dataUsingEncoding:NSUTF8StringEncoding];
+    
+    return [message1Data xmpp_base64Encoded];
+}
+
+- (NSString *)clientMessage2
+{
+    NSString *clientProofString = [self.clientProofData xmpp_base64Encoded];
+    NSData *message2Data = [[NSString stringWithFormat:@"c=biws,r=%@,p=%@",self.combinedNonce,clientProofString] dataUsingEncoding:NSUTF8StringEncoding];
+    
+    return [message2Data xmpp_base64Encoded];
+}
+
+- (BOOL)calculateProofs
+{
+    //Check to see that we have a password, salt and iteration count above 4096 (from RFC5802)
+    if (!self.password.length || !self.salt.length || self.count.unsignedIntegerValue < 4096) {
+        return NO;
+    }
+    
+    NSData *passwordData = [self.password dataUsingEncoding:NSUTF8StringEncoding];
+    NSData *saltData = [[self.salt dataUsingEncoding:NSUTF8StringEncoding] xmpp_base64Decoded];
+    
+    NSData *saltedPasswordData = [self HashWithAlgorithm:self.hashAlgorithm password:passwordData salt:saltData iterations:[self.count unsignedIntValue]];
+    
+    NSData *clientKeyData = [self HashWithAlgorithm:self.hashAlgorithm data:[@"Client Key" dataUsingEncoding:NSUTF8StringEncoding] key:saltedPasswordData];
+    NSData *serverKeyData = [self HashWithAlgorithm:self.hashAlgorithm data:[@"Server Key" dataUsingEncoding:NSUTF8StringEncoding] key:saltedPasswordData];
+
+    NSData *storedKeyData = [clientKeyData xmpp_sha1Digest];
+    
+    NSData *authMessageData = [[NSString stringWithFormat:@"%@,%@,c=biws,r=%@",self.clientFirstMessageBare,self.serverMessage1,self.combinedNonce] dataUsingEncoding:NSUTF8StringEncoding];
+    
+    NSData *clientSignatureData = [self HashWithAlgorithm:self.hashAlgorithm data:authMessageData key:storedKeyData];
+    
+    self.serverSignatureData = [self HashWithAlgorithm:self.hashAlgorithm data:authMessageData key:serverKeyData];
+    self.clientProofData = [self xorData:clientKeyData withData:clientSignatureData];
+    
+    //check to see that we caclulated some client proof and server signature
+    if (self.clientProofData && self.serverSignatureData) {
+        return YES;
+    }
+    else {
+        return NO;
+    }
+}
+
+- (NSData *)HashWithAlgorithm:(CCHmacAlgorithm) algorithm password:(NSData *)passwordData salt:(NSData *)saltData iterations:(NSUInteger)rounds
+{
+    NSMutableData *mutableSaltData = [saltData mutableCopy];
+    UInt8 zeroHex= 0x00;
+    UInt8 oneHex= 0x01;
+    NSData *zeroData = [[NSData alloc] initWithBytes:&zeroHex length:sizeof(zeroHex)];
+    NSData *oneData = [[NSData alloc] initWithBytes:&oneHex length:sizeof(oneHex)];
+    
+    [mutableSaltData appendData:zeroData];
+    [mutableSaltData appendData:zeroData];
+    [mutableSaltData appendData:zeroData];
+    [mutableSaltData appendData:oneData];
+    
+    NSData *result = [self HashWithAlgorithm:algorithm data:mutableSaltData key:passwordData];
+    NSData *previous = [result copy];
+    
+    for (int i = 1; i < rounds; i++) {
+        previous = [self HashWithAlgorithm:algorithm data:previous key:passwordData];
+        result = [self xorData:result withData:previous];
+    }
+    
+    return result;
+}
+
+- (NSData *)HashWithAlgorithm:(CCHmacAlgorithm) algorithm data:(NSData *)data key:(NSData *)key
+{
+    unsigned char cHMAC[CC_SHA1_DIGEST_LENGTH];
+    
+    CCHmac(algorithm, [key bytes], [key length], [data bytes], [data length], cHMAC);
+    
+    return [[NSData alloc] initWithBytes:cHMAC length:sizeof(cHMAC)];
+}
+
+- (NSData *)xorData:(NSData *)data1 withData:(NSData *)data2
+{
+    NSMutableData *result = data1.mutableCopy;
+    
+    char *dataPtr = (char *)result.mutableBytes;
+    
+    char *keyData = (char *)data2.bytes;
+    
+    char *keyPtr = keyData;
+    int keyIndex = 0;
+    
+    for (int x = 0; x < data1.length; x++) {
+        *dataPtr = *dataPtr ^ *keyPtr;
+        dataPtr++;
+        keyPtr++;
+        
+        if (++keyIndex == data2.length) {
+            keyIndex = 0;
+			keyPtr = keyData;
+		}
+	}
+    return result;
+}
+
+- (NSDictionary *)dictionaryFromChallenge:(NSXMLElement *)challenge
+{
+	// The value of the challenge stanza is base 64 encoded.
+	// Once "decoded", it's just a string of key=value pairs separated by commas.
+	
+	NSData *base64Data = [[challenge stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+	NSData *decodedData = [base64Data xmpp_base64Decoded];
+	
+	self.serverMessage1 = [[NSString alloc] initWithData:decodedData encoding:NSUTF8StringEncoding];
+	
+	XMPPLogVerbose(@"%@: Decoded challenge: %@", THIS_FILE, self.serverMessage1);
+	
+	NSArray *components = [self.serverMessage1 componentsSeparatedByString:@","];
+	NSMutableDictionary *auth = [NSMutableDictionary dictionaryWithCapacity:5];
+	
+	for (NSString *component in components)
+	{
+		NSRange separator = [component rangeOfString:@"="];
+		if (separator.location != NSNotFound)
+		{
+			NSMutableString *key = [[component substringToIndex:separator.location] mutableCopy];
+			NSMutableString *value = [[component substringFromIndex:separator.location+1] mutableCopy];
+			
+			if(key) CFStringTrimWhitespace((__bridge CFMutableStringRef)key);
+			if(value) CFStringTrimWhitespace((__bridge CFMutableStringRef)value);
+			
+			if ([value hasPrefix:@"\""] && [value hasSuffix:@"\""] && [value length] > 2)
+			{
+				// Strip quotes from value
+				[value deleteCharactersInRange:NSMakeRange(0, 1)];
+				[value deleteCharactersInRange:NSMakeRange([value length]-1, 1)];
+			}
+			
+            if(key && value)
+            {
+                auth[key] = value;
+            }
+		}
+	}
+	
+	return auth;
+}
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPSCRAMSHA1Authentication)
+
+- (BOOL)supportsSCRAMSHA1Authentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPSCRAMSHA1Authentication mechanismName]];
+}
+
+@end
diff --git a/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.h b/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.h
new file mode 100644
index 0000000..ef0a97a
--- /dev/null
+++ b/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.h
@@ -0,0 +1,56 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+
+@interface XMPPXFacebookPlatformAuthentication : NSObject <XMPPSASLAuthentication>
+
+/**
+ * You should use this init method (as opposed the one defined in the XMPPSASLAuthentication protocol).
+**/
+- (id)initWithStream:(XMPPStream *)stream appId:(NSString *)appId accessToken:(NSString *)accessToken;
+
+@end 
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPXFacebookPlatformAuthentication)
+
+/**
+ * Facebook Chat X-FACEBOOK-PLATFORM SASL authentication initialization.
+ * This is a convienence init method to help configure Facebook Chat.
+**/
+- (id)initWithFacebookAppId:(NSString *)fbAppId;
+
+/**
+ * The appId can be passed to custom authentication classes.
+ * For example, the appId is used for Facebook Chat X-FACEBOOK-PLATFORM SASL authentication.
+**/
+@property (readwrite, copy) NSString *facebookAppId;
+
+/**
+ * Returns whether or not the server supports X-FACEBOOK-PLATFORM authentication.
+ * 
+ * This information is available after the stream is connected.
+ * In other words, after the delegate has received xmppStreamDidConnect: notification.
+**/
+- (BOOL)supportsXFacebookPlatformAuthentication;
+
+/**
+ * This method attempts to start the facebook oauth authentication process.
+ * 
+ * This method is asynchronous.
+ * 
+ * If there is something immediately wrong,
+ * such as the stream is not connected or doesn't have a set appId or accessToken,
+ * the method will return NO and set the error.
+ * Otherwise the delegate callbacks are used to communicate auth success or failure.
+ * 
+ * @see xmppStreamDidAuthenticate:
+ * @see xmppStream:didNotAuthenticate:
+ **/
+- (BOOL)authenticateWithFacebookAccessToken:(NSString *)accessToken error:(NSError **)errPtr;
+
+@end
diff --git a/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.m b/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.m
new file mode 100644
index 0000000..dccc80d
--- /dev/null
+++ b/Authentication/X-Facebook-Platform/XMPPXFacebookPlatformAuthentication.m
@@ -0,0 +1,327 @@
+#import "XMPPXFacebookPlatformAuthentication.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "NSData+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+    static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+    static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+static NSString *const XMPPFacebookChatHostName = @"chat.facebook.com";
+
+static char facebookAppIdKey;
+
+@interface XMPPXFacebookPlatformAuthentication ()
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	BOOL awaitingChallenge;
+	
+	NSString *appId;
+	NSString *accessToken;
+	NSString *nonce;
+	NSString *method;
+}
+
+- (NSDictionary *)dictionaryFromChallenge:(NSXMLElement *)challenge;
+- (NSString *)base64EncodedFullResponse;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPXFacebookPlatformAuthentication
+
++ (NSString *)mechanismName
+{
+	return @"X-FACEBOOK-PLATFORM";
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+	}
+	return self;
+}
+
+- (id)initWithStream:(XMPPStream *)stream appId:(NSString *)inAppId accessToken:(NSString *)inAccessToken
+{
+    if ((self = [super init]))
+    {
+		xmppStream = stream;
+        appId = inAppId;
+        accessToken = inAccessToken;
+    }
+    return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	if (!appId || !accessToken)
+	{
+		NSString *errMsg = @"Missing facebook appId and/or accessToken.";
+		NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+		
+		NSError *err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+		
+		if (errPtr) *errPtr = err;
+		return NO;
+	}
+	
+	// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="X-FACEBOOK-PLATFORM" />
+	
+	NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[auth addAttributeWithName:@"mechanism" stringValue:@"X-FACEBOOK-PLATFORM"];
+	
+	[xmppStream sendAuthElement:auth];
+	awaitingChallenge = YES;
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth1:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We're expecting a challenge response.
+	// If we get anything else we're going to assume it's some kind of failure response.
+	
+	if (![[authResponse name] isEqualToString:@"challenge"])
+	{
+		return XMPP_AUTH_FAIL;
+	}
+	
+	// Extract components from incoming challenge
+	
+	NSDictionary *auth = [self dictionaryFromChallenge:authResponse];
+	
+	nonce  = auth[@"nonce"];
+	method = auth[@"method"];
+	
+	// Create and send challenge response element
+	
+	NSXMLElement *response = [NSXMLElement elementWithName:@"response" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[response setStringValue:[self base64EncodedFullResponse]];
+	
+	[xmppStream sendAuthElement:response];
+	awaitingChallenge = NO;
+	
+	return XMPP_AUTH_CONTINUE;
+}
+
+- (XMPPHandleAuthResponse)handleAuth2:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We're expecting a success response.
+	// If we get anything else we can safely assume it's the equivalent of a failure response.
+	
+	if ([[authResponse name] isEqualToString:@"success"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	if (awaitingChallenge)
+	{
+		return [self handleAuth1:authResponse];
+	}
+	else
+	{
+		return [self handleAuth2:authResponse];
+	}
+}
+
+- (NSDictionary *)dictionaryFromChallenge:(NSXMLElement *)challenge
+{
+	// The value of the challenge stanza is base 64 encoded.
+	// Once "decoded", it's just a string of key=value pairs separated by ampersands.
+	
+	NSData *base64Data = [[challenge stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+	NSData *decodedData = [base64Data xmpp_base64Decoded];
+	
+	NSString *authStr = [[NSString alloc] initWithData:decodedData encoding:NSUTF8StringEncoding];
+	
+	XMPPLogVerbose(@"%@: decoded challenge: %@", THIS_FILE, authStr);
+	
+	NSArray *components = [authStr componentsSeparatedByString:@"&"];
+	NSMutableDictionary *auth = [NSMutableDictionary dictionaryWithCapacity:3];
+	
+	for (NSString *component in components)
+	{
+		NSRange separator = [component rangeOfString:@"="];
+		if (separator.location != NSNotFound)
+		{
+			NSString *key = [[component substringToIndex:separator.location]
+			                    stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+			
+			NSString *value = [[component substringFromIndex:separator.location+1]
+			                      stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+			
+			if ([value hasPrefix:@"\""] && [value hasSuffix:@"\""] && [value length] > 2)
+			{
+				// Strip quotes from value
+				value = [value substringWithRange:NSMakeRange(1,([value length]-2))];
+			}
+			
+			auth[key] = value;
+		}
+	}
+	
+	return auth;
+}
+
+- (NSString *)base64EncodedFullResponse
+{
+    if (!appId || !accessToken || !method || !nonce)
+    {
+        return nil;
+    }
+	
+	srand([[NSDate date] timeIntervalSince1970]);
+	
+	NSMutableString *buffer = [NSMutableString stringWithCapacity:250];
+	[buffer appendFormat:@"method=%@&", method];
+	[buffer appendFormat:@"nonce=%@&", nonce];
+	[buffer appendFormat:@"access_token=%@&", accessToken];
+	[buffer appendFormat:@"api_key=%@&", appId];
+	[buffer appendFormat:@"call_id=%d&", rand()];
+	[buffer appendFormat:@"v=%@",@"1.0"];
+	
+	XMPPLogVerbose(@"XMPPXFacebookPlatformAuthentication: response for facebook: %@", buffer);
+	
+	NSData *utf8data = [buffer dataUsingEncoding:NSUTF8StringEncoding];
+	
+	return [utf8data xmpp_base64Encoded];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPXFacebookPlatformAuthentication)
+
+- (id)initWithFacebookAppId:(NSString *)fbAppId
+{
+	if ((self = [self init])) // Note: Using [self init], NOT [super init]
+	{
+		self.facebookAppId = fbAppId;
+		self.myJID = [XMPPJID jidWithString:XMPPFacebookChatHostName];
+		
+		// As of October 8, 2011, Facebook doesn't have their XMPP SRV records set.
+		// And, as per the XMPP specification, we MUST check the XMPP SRV records for an IP address,
+		// before falling back to a traditional A record lookup.
+		// 
+		// So we're setting the hostname as a minor optimization to avoid the SRV timeout delay.
+		
+		self.hostName = XMPPFacebookChatHostName;
+	}
+	return self;
+}
+
+- (NSString *)facebookAppId
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = objc_getAssociatedObject(self, &facebookAppIdKey);
+	};
+
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setFacebookAppId:(NSString *)inFacebookAppId
+{
+	NSString *newFacebookAppId = [inFacebookAppId copy];
+	
+	dispatch_block_t block = ^{
+		objc_setAssociatedObject(self, &facebookAppIdKey, newFacebookAppId, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+	};
+	
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_async(self.xmppQueue, block);
+}
+
+- (BOOL)supportsXFacebookPlatformAuthentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPXFacebookPlatformAuthentication mechanismName]];
+}
+
+/**
+ * This method attempts to connect to the Facebook Chat servers 
+ * using the Facebook OAuth token returned by the Facebook OAuth 2.0 authentication process.
+**/
+- (BOOL)authenticateWithFacebookAccessToken:(NSString *)accessToken error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([self supportsXFacebookPlatformAuthentication])
+		{
+			XMPPXFacebookPlatformAuthentication *facebookAuth =
+			    [[XMPPXFacebookPlatformAuthentication alloc] initWithStream:self
+			                                                          appId:self.facebookAppId
+			                                                    accessToken:accessToken];
+			
+			result = [self authenticate:facebookAuth error:&err];
+		}
+		else
+		{
+			NSString *errMsg = @"The server does not support X-FACEBOOK-PLATFORM authentication.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+		}
+	}};
+	
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+@end
diff --git a/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.h b/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.h
new file mode 100644
index 0000000..4720206
--- /dev/null
+++ b/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.h
@@ -0,0 +1,28 @@
+//
+//  XMPPXOAuth2Google.h
+//  Off the Record
+//
+//  Created by David Chiles on 9/13/13.
+//  Copyright (c) 2013 Chris Ballinger. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+
+@interface XMPPXOAuth2Google : NSObject <XMPPSASLAuthentication>
+
+-(id)initWithStream:(XMPPStream *)stream accessToken:(NSString *)accessToken;
+
+@end
+
+
+
+@interface XMPPStream (XMPPXOAuth2Google)
+
+
+- (BOOL)supportsXOAuth2GoogleAuthentication;
+
+- (BOOL)authenticateWithGoogleAccessToken:(NSString *)accessToken error:(NSError **)errPtr;
+
+@end
diff --git a/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.m b/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.m
new file mode 100644
index 0000000..e07c361
--- /dev/null
+++ b/Authentication/X-OAuth2-Google/XMPPXOAuth2Google.m
@@ -0,0 +1,180 @@
+//
+//  XMPPXOAuth2Google.m
+//  Off the Record
+//
+//  Created by David Chiles on 9/13/13.
+//  Copyright (c) 2013 Chris Ballinger. All rights reserved.
+//
+
+#import "XMPPXOAuth2Google.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "NSData+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+static NSString *const XMPPGoogleTalkHostName = @"talk.google.com";
+
+@interface XMPPXOAuth2Google ()
+{
+#if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+#else
+	__unsafe_unretained XMPPStream *xmppStream;
+#endif
+	
+	//BOOL awaitingChallenge;
+	
+	//NSString *appId;
+	NSString *accessToken;
+	//NSString *nonce;
+	//NSString *method;
+}
+
+
+
+@end
+
+@implementation XMPPXOAuth2Google
+
++ (NSString *)mechanismName
+{
+	return @"X-OAUTH2";
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+        xmppStream.hostName = XMPPGoogleTalkHostName;
+	}
+	return self;
+}
+
+-(id)initWithStream:(XMPPStream *)stream accessToken:(NSString *)inAccessToken
+{
+    if (self = [super init]) {
+        xmppStream = stream;
+        accessToken = inAccessToken;
+    }
+    return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+    if (!accessToken)
+	{
+		NSString *errMsg = @"Missing facebook accessToken.";
+		NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+		
+		NSError *err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+		
+		if (errPtr) *errPtr = err;
+		return NO;
+	}
+	XMPPLogTrace();
+	
+	// From RFC 4616 - PLAIN SASL Mechanism:
+	// [authzid] UTF8NUL authcid UTF8NUL passwd
+	//
+	// authzid: authorization identity
+	// authcid: authentication identity (username)
+	// passwd : password for authcid
+	
+	NSString *username = [xmppStream.myJID user];
+	
+	NSString *payload = [NSString stringWithFormat:@"\0%@\0%@", username, accessToken];
+	NSString *base64 = [[payload dataUsingEncoding:NSUTF8StringEncoding] xmpp_base64Encoded];
+	
+	// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="PLAIN">Base-64-Info</auth>
+	
+	NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+	[auth addAttributeWithName:@"mechanism" stringValue:@"X-OAUTH2"];
+    [auth addAttributeWithName:@"auth:service" stringValue:@"oauth2"];
+    [auth addAttributeWithName:@"xmlns:auth" stringValue:@"http://www.google.com/talk/protocol/auth"];
+	[auth setStringValue:base64];
+	
+	[xmppStream sendAuthElement:auth];
+	
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
+{
+	XMPPLogTrace();
+	
+	// We're expecting a success response.
+	// If we get anything else we can safely assume it's the equivalent of a failure response.
+	
+	if ([[authResponse name] isEqualToString:@"success"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}
+}
+@end
+
+@implementation XMPPStream (XMPPXOAuth2Google)
+
+
+
+- (BOOL)supportsXOAuth2GoogleAuthentication
+{
+	return [self supportsAuthenticationMechanism:[XMPPXOAuth2Google mechanismName]];
+}
+
+- (BOOL)authenticateWithGoogleAccessToken:(NSString *)accessToken error:(NSError **)errPtr
+{
+    XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([self supportsXOAuth2GoogleAuthentication])
+		{
+            XMPPXOAuth2Google * googleAuth = [[XMPPXOAuth2Google alloc] initWithStream:self
+                                                                         accessToken:accessToken];
+			
+			result = [self authenticate:googleAuth error:&err];
+		}
+		else
+		{
+			NSString *errMsg = @"The server does not support X-OATH2-GOOGLE authentication.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+		}
+	}};
+	
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+@end
diff --git a/Authentication/XMPPCustomBinding.h b/Authentication/XMPPCustomBinding.h
new file mode 100644
index 0000000..fa83485
--- /dev/null
+++ b/Authentication/XMPPCustomBinding.h
@@ -0,0 +1,93 @@
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+typedef NS_ENUM(NSInteger, XMPPBindResult) {
+	
+	XMPP_BIND_CONTINUE,      // The custom binding process is still ongoing.
+	
+	XMPP_BIND_SUCCESS,       // Custom binding succeeded.
+	                         // The stream should continue normal post-binding operation.
+	
+	XMPP_BIND_FAIL_FALLBACK, // Custom binding failed.
+	                         // The stream should fallback to the standard binding protocol.
+	
+	XMPP_BIND_FAIL_ABORT     // Custom binding failed.
+	                         // The stream must abort the binding process.
+	                         // Further, because the stream is in a bad state (authenticated, but
+	                         // unable to complete the full handshake) it must immediately disconnect.
+	                         // The given NSError will be reported via xmppStreamDidDisconnect:withError:
+};
+
+/**
+ * Binding a JID resource is a standard part of the authentication process,
+ * and occurs after SASL authentication completes (which generally authenticates the JID username).
+ * 
+ * This protocol may be used if there is a need to customize the binding process.
+ * For example:
+ * 
+ * - Custom SASL authentication scheme required both username & resource
+ * - Custom SASL authentication scheme provided required resource in server response
+ * - Stream Management (XEP-0198) replaces binding with resumption from previously bound session
+ * 
+ * A custom binding procedure may be plugged into an XMPPStream instance via the delegate method:
+ * - (id <XMPPCustomBinding>)xmppStreamWillBind;
+**/
+@protocol XMPPCustomBinding <NSObject>
+@required
+
+/**
+ * Attempts to start the custom binding process.
+ *
+ * If it isn't possible to start the process (perhaps due to missing information),
+ * this method should return XMPP_BIND_FAIL_FALLBACK or XMPP_BIND_FAIL_ABORT.
+ *
+ * (The error message is only used by xmppStream if this method returns XMPP_BIND_FAIL_ABORT.)
+ * 
+ * If binding isn't needed (for example, because custom SASL authentication already handled it),
+ * this method should return XMPP_BIND_SUCCESS.
+ * In this case, xmppStream will immediately move to its post-binding operations.
+ *
+ * Otherwise this method should send whatever stanzas are needed to begin the binding process.
+ * And then return XMPP_BIND_CONTINUE.
+ *
+ * This method is called by automatically XMPPStream.
+ * You MUST NOT invoke this method manually.
+**/
+- (XMPPBindResult)start:(NSError **)errPtr;
+
+/**
+ * After the custom binding process has started, all incoming xmpp stanzas are routed to this method.
+ * The method should process the stanza as appropriate, and return the coresponding result.
+ * If the process is not yet complete, it should return XMPP_BIND_CONTINUE,
+ * meaning the xmpp stream will continue to forward all incoming xmpp stanzas to this method.
+ *
+ * This method is called automatically by XMPPStream.
+ * You MUST NOT invoke this method manually.
+**/
+- (XMPPBindResult)handleBind:(NSXMLElement *)auth withError:(NSError **)errPtr;
+
+@optional
+
+/**
+ * Optionally implement this method to override the default behavior.
+ * By default behavior, we mean the behavior normally taken by xmppStream, which is:
+ *
+ * - IF the server includes <session xmlns='urn:ietf:params:xml:ns:xmpp-session'/> in its stream:features
+ * - AND xmppStream.skipStartSession property is NOT set
+ * - THEN xmppStream will send the session start request, and await the response before transitioning to authenticated
+ * 
+ * Thus if you implement this method and return YES, then xmppStream will skip starting a session,
+ * regardless of the stream:features and the current xmppStream.skipStartSession property value.
+ * 
+ * If you implement this method and return NO, then xmppStream will follow the default behavior detailed above.
+ * This means that, even if this method returns NO, the xmppStream may still skip starting a session if
+ * the server doesn't require it via its stream:features,
+ * or if the user has explicitly forbidden it via the xmppStream.skipStartSession property.
+ *
+ * The default value is NO.
+**/
+- (BOOL)shouldSkipStartSessionAfterSuccessfulBinding;
+
+@end
diff --git a/Authentication/XMPPSASLAuthentication.h b/Authentication/XMPPSASLAuthentication.h
new file mode 100644
index 0000000..fb78872
--- /dev/null
+++ b/Authentication/XMPPSASLAuthentication.h
@@ -0,0 +1,102 @@
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+@class XMPPStream;
+
+
+typedef NS_ENUM(NSInteger, XMPPHandleAuthResponse) {
+	
+	XMPP_AUTH_FAIL,     // Authentication failed.
+	                    // The delegate will be informed via xmppStream:didNotAuthenticate:
+	
+	XMPP_AUTH_SUCCESS,  // Authentication succeeded.
+	                    // The delegate will be informed via xmppStreamDidAuthenticate:
+	
+	XMPP_AUTH_CONTINUE, // The authentication process is still ongoing.
+};
+
+
+@protocol XMPPSASLAuthentication <NSObject>
+@required
+
+/**
+ * Returns the associated mechanism name.
+ * 
+ * An xmpp server sends a list of supported authentication mechanisms during the xmpp handshake.
+ * The list looks something like this:
+ * 
+ * <stream:features>
+ *    <mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
+ *       <mechanism>DIGEST-MD5</mechanism>
+ *       <mechanism>X-FACEBOOK-PLATFORM</mechanism>
+ *       <mechanism>X-YOUR-CUSTOM-AUTH-SCHEME</mechanism>
+ *    </mechanisms>
+ * </stream:features>
+ * 
+ * The mechanismName returned should match the value inside the <mechanism>HERE</mechanism>.
+**/
++ (NSString *)mechanismName;
+
+/**
+ * Standard init method.
+ * 
+ * The XMPPStream class natively supports the standard authentication scheme (auth with password).
+ * If that method is used, then xmppStream will automatically create an authentication instance via this method.
+ * Which authentication class it chooses is based on the configured authentication priorities,
+ * and the auth mechanisms supported by the server.
+ * 
+ * Not all authentication mechanisms will use this init method.
+ * For example:
+ *  - they require an appId and authToken
+ *  - they require a userName (not related to JID), privilegeLevel, and password
+ *  - they require an eyeScan and voiceFingerprint
+ * 
+ * In this case, the authentication mechanism class should provide it's own custom init method.
+ * However it should still implement this method, and then use the start method to notify of errors.
+**/
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password;
+
+
+/**
+ * Attempts to start the authentication process.
+ * The auth mechanism should send whatever stanzas are needed to begin the authentication process.
+ * 
+ * If it isn't possible to start the authentication process (perhaps due to missing information),
+ * this method should return NO and set an appropriate error message.
+ * For example: "X-Custom-Platform authentication requires authToken"
+ * Otherwise this method should return YES.
+ * 
+ * This method is called by automatically XMPPStream (via the authenticate: method).
+ * You should NOT invoke this method manually.
+**/
+- (BOOL)start:(NSError **)errPtr;
+
+/**
+ * After the authentication process has started, all incoming xmpp stanzas are routed to this method.
+ * The authentication mechanism should process the stanza as appropriate, and return the coresponding result.
+ * If the authentication is not yet complete, it should return XMPP_AUTH_CONTINUE,
+ * meaning the xmpp stream will continue to forward all incoming xmpp stanzas to this method.
+ * 
+ * This method is called automatically by XMPPStream (via the authenticate: method).
+ * You should NOT invoke this method manually.
+**/
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)auth;
+
+@optional
+
+/**
+ * Use this init method if the username used for authentication does not match the user part of the JID.
+ * If username is nil, the user part of the JID will be used.
+ * The standard init method uses this init method, passing nil for the username.
+ **/
+- (id)initWithStream:(XMPPStream *)stream username:(NSString *)username password:(NSString *)password;
+
+/**
+ * Optionally implement this method to override the default behavior.
+ * The default value is YES.
+**/
+- (BOOL)shouldResendOpeningNegotiationAfterSuccessfulAuthentication;
+
+@end
diff --git a/Categories/NSData+XMPP.h b/Categories/NSData+XMPP.h
new file mode 100644
index 0000000..593abdc
--- /dev/null
+++ b/Categories/NSData+XMPP.h
@@ -0,0 +1,34 @@
+#import <Foundation/Foundation.h>
+
+@interface NSData (XMPP)
+
+- (NSData *)xmpp_md5Digest;
+
+- (NSData *)xmpp_sha1Digest;
+
+- (NSString *)xmpp_hexStringValue;
+
+- (NSString *)xmpp_base64Encoded;
+- (NSData *)xmpp_base64Decoded;
+
+- (BOOL)xmpp_isJPEG;
+- (BOOL)xmpp_isPNG;
+- (NSString *)xmpp_imageType;
+
+@end
+
+#ifndef XMPP_EXCLUDE_DEPRECATED
+
+#define XMPP_DEPRECATED($message) __attribute__((deprecated($message)))
+
+@interface NSData (XMPPDeprecated)
+- (NSData *)md5Digest XMPP_DEPRECATED("Use -xmpp_md5Digest");
+- (NSData *)sha1Digest XMPP_DEPRECATED("Use -xmpp_sha1Digest");
+- (NSString *)hexStringValue XMPP_DEPRECATED("Use -xmpp_hexStringValue");
+- (NSString *)base64Encoded XMPP_DEPRECATED("Use -xmpp_base64Encoded");
+- (NSData *)base64Decoded XMPP_DEPRECATED("Use -xmpp_base64Decoded");
+@end
+
+#undef XMPP_DEPRECATED
+
+#endif
diff --git a/Categories/NSData+XMPP.m b/Categories/NSData+XMPP.m
new file mode 100644
index 0000000..18a3eb9
--- /dev/null
+++ b/Categories/NSData+XMPP.m
@@ -0,0 +1,240 @@
+#import "NSData+XMPP.h"
+#import <CommonCrypto/CommonDigest.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation NSData (XMPP)
+
+static char encodingTable[64] = {
+        'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
+        'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
+        'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
+        'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/' };
+
+
+- (NSData *)xmpp_md5Digest
+{
+	unsigned char result[CC_MD5_DIGEST_LENGTH];
+    
+    CC_MD5([self bytes], (CC_LONG)[self length], result);
+    return [NSData dataWithBytes:result length:CC_MD5_DIGEST_LENGTH];
+}
+
+- (NSData *)xmpp_sha1Digest
+{
+	unsigned char result[CC_SHA1_DIGEST_LENGTH];
+    
+	CC_SHA1([self bytes], (CC_LONG)[self length], result);
+    return [NSData dataWithBytes:result length:CC_SHA1_DIGEST_LENGTH];
+}
+
+- (NSString *)xmpp_hexStringValue
+{
+	NSMutableString *stringBuffer = [NSMutableString stringWithCapacity:([self length] * 2)];
+	
+    const unsigned char *dataBuffer = [self bytes];
+    int i;
+    
+    for (i = 0; i < [self length]; ++i)
+	{
+        [stringBuffer appendFormat:@"%02x", (unsigned int)dataBuffer[i]];
+	}
+    
+    return [stringBuffer copy];
+}
+
+- (NSString *)xmpp_base64Encoded
+{
+	const unsigned char	*bytes = [self bytes];
+	NSMutableString *result = [NSMutableString stringWithCapacity:[self length]];
+	unsigned long ixtext = 0;
+	unsigned long lentext = [self length];
+	long ctremaining = 0;
+	unsigned char inbuf[3], outbuf[4];
+	unsigned short i = 0;
+	unsigned short charsonline = 0, ctcopy = 0;
+	unsigned long ix = 0;
+	
+	while( YES )
+	{
+		ctremaining = lentext - ixtext;
+		if( ctremaining <= 0 ) break;
+		
+		for( i = 0; i < 3; i++ ) {
+			ix = ixtext + i;
+			if( ix < lentext ) inbuf[i] = bytes[ix];
+			else inbuf [i] = 0;
+		}
+		
+		outbuf [0] = (inbuf [0] & 0xFC) >> 2;
+		outbuf [1] = ((inbuf [0] & 0x03) << 4) | ((inbuf [1] & 0xF0) >> 4);
+		outbuf [2] = ((inbuf [1] & 0x0F) << 2) | ((inbuf [2] & 0xC0) >> 6);
+		outbuf [3] = inbuf [2] & 0x3F;
+		ctcopy = 4;
+		
+		switch( ctremaining )
+		{
+			case 1:
+				ctcopy = 2;
+				break;
+			case 2:
+				ctcopy = 3;
+				break;
+		}
+		
+		for( i = 0; i < ctcopy; i++ )
+			[result appendFormat:@"%c", encodingTable[outbuf[i]]];
+		
+		for( i = ctcopy; i < 4; i++ )
+			[result appendString:@"="];
+		
+		ixtext += 3;
+		charsonline += 4;
+	}
+	
+	return [NSString stringWithString:result];
+}
+
+- (NSData *)xmpp_base64Decoded
+{
+	const unsigned char	*bytes = [self bytes];
+	NSMutableData *result = [NSMutableData dataWithCapacity:[self length]];
+	
+	unsigned long ixtext = 0;
+	unsigned long lentext = [self length];
+	unsigned char ch = 0;
+	unsigned char inbuf[4] = {0, 0, 0, 0};
+	unsigned char outbuf[3] = {0, 0, 0};
+	short i = 0, ixinbuf = 0;
+	BOOL flignore = NO;
+	BOOL flendtext = NO;
+	
+	while( YES )
+	{
+		if( ixtext >= lentext ) break;
+		ch = bytes[ixtext++];
+		flignore = NO;
+		
+		if( ( ch >= 'A' ) && ( ch <= 'Z' ) ) ch = ch - 'A';
+		else if( ( ch >= 'a' ) && ( ch <= 'z' ) ) ch = ch - 'a' + 26;
+		else if( ( ch >= '0' ) && ( ch <= '9' ) ) ch = ch - '0' + 52;
+		else if( ch == '+' ) ch = 62;
+		else if( ch == '=' ) flendtext = YES;
+		else if( ch == '/' ) ch = 63;
+		else flignore = YES;
+		
+		if( ! flignore )
+		{
+			short ctcharsinbuf = 3;
+			BOOL flbreak = NO;
+			
+			if( flendtext )
+			{
+				if( ! ixinbuf ) break;
+				if( ( ixinbuf == 1 ) || ( ixinbuf == 2 ) ) ctcharsinbuf = 1;
+				else ctcharsinbuf = 2;
+				ixinbuf = 3;
+				flbreak = YES;
+			}
+			
+			inbuf [ixinbuf++] = ch;
+			
+			if( ixinbuf == 4 )
+			{
+				ixinbuf = 0;
+				outbuf [0] = ( inbuf[0] << 2 ) | ( ( inbuf[1] & 0x30) >> 4 );
+				outbuf [1] = ( ( inbuf[1] & 0x0F ) << 4 ) | ( ( inbuf[2] & 0x3C ) >> 2 );
+				outbuf [2] = ( ( inbuf[2] & 0x03 ) << 6 ) | ( inbuf[3] & 0x3F );
+				
+				for( i = 0; i < ctcharsinbuf; i++ )
+					[result appendBytes:&outbuf[i] length:1];
+			}
+			
+			if( flbreak )  break;
+		}
+	}
+	
+	return [NSData dataWithData:result];
+}
+
+
+- (BOOL)xmpp_isJPEG
+{
+    if (self.length > 4)
+    {
+        unsigned char buffer[4];
+        [self getBytes:&buffer length:4];
+        
+        return buffer[0]==0xff &&
+        buffer[1]==0xd8 &&
+        buffer[2]==0xff &&
+        buffer[3]==0xe0;
+    }
+    
+    return NO;
+}
+
+- (BOOL)xmpp_isPNG
+{
+    if (self.length > 4)
+    {
+        unsigned char buffer[4];
+        [self getBytes:&buffer length:4];
+        
+        return buffer[0]==0x89 &&
+        buffer[1]==0x50 &&
+        buffer[2]==0x4e &&
+        buffer[3]==0x47;
+    }
+    
+    return NO;
+}
+
+- (NSString *)xmpp_imageType
+{
+    NSString *result = nil;
+    
+    if([self xmpp_isPNG])
+    {
+        result = @"image/png";
+    }
+    else if([self xmpp_isJPEG])
+    {
+        result = @"image/jpeg";
+    }
+    
+    return result;
+}
+
+@end
+
+#ifndef XMPP_EXCLUDE_DEPRECATED
+
+@implementation NSData (XMPPDeprecated)
+
+- (NSData *)md5Digest {
+    return [self xmpp_md5Digest];
+}
+
+- (NSData *)sha1Digest {
+    return [self xmpp_sha1Digest];
+}
+
+- (NSString *)hexStringValue {
+    return [self xmpp_hexStringValue];
+}
+
+- (NSString *)base64Encoded {
+    return [self xmpp_base64Encoded];
+}
+
+- (NSData *)base64Decoded {
+    return [self xmpp_base64Decoded];
+}
+
+@end
+
+#endif
diff --git a/Categories/NSNumber+XMPP.h b/Categories/NSNumber+XMPP.h
new file mode 100644
index 0000000..2c4cff6
--- /dev/null
+++ b/Categories/NSNumber+XMPP.h
@@ -0,0 +1,46 @@
+#import <Foundation/Foundation.h>
+
+
+@interface NSNumber (XMPP)
+
++ (NSNumber *)xmpp_numberWithPtr:(const void *)ptr;
+- (id)xmpp_initWithPtr:(const void *)ptr __attribute__((objc_method_family(init)));
+
++ (BOOL)xmpp_parseString:(NSString *)str intoInt32:(int32_t *)pNum;
++ (BOOL)xmpp_parseString:(NSString *)str intoUInt32:(uint32_t *)pNum;
+
++ (BOOL)xmpp_parseString:(NSString *)str intoInt64:(int64_t *)pNum;
++ (BOOL)xmpp_parseString:(NSString *)str intoUInt64:(uint64_t *)pNum;
+
++ (BOOL)xmpp_parseString:(NSString *)str intoNSInteger:(NSInteger *)pNum;
++ (BOOL)xmpp_parseString:(NSString *)str intoNSUInteger:(NSUInteger *)pNum;
+
++ (UInt8)xmpp_extractUInt8FromData:(NSData *)data atOffset:(unsigned int)offset;
+
++ (UInt16)xmpp_extractUInt16FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag;
+
++ (UInt32)xmpp_extractUInt32FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag;
+
+@end
+
+#ifndef XMPP_EXCLUDE_DEPRECATED
+
+#define XMPP_DEPRECATED($message) __attribute__((deprecated($message)))
+
+@interface NSNumber (XMPPDeprecated)
++ (NSNumber *)numberWithPtr:(const void *)ptr XMPP_DEPRECATED("Use +xmpp_numberWithPtr:");
+- (id)initWithPtr:(const void *)ptr XMPP_DEPRECATED("Use -xmpp_initWithPtr:");
++ (BOOL)parseString:(NSString *)str intoInt32:(int32_t *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoInt32:");
++ (BOOL)parseString:(NSString *)str intoUInt32:(uint32_t *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoUInt32:");
++ (BOOL)parseString:(NSString *)str intoInt64:(int64_t *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoInt64:");
++ (BOOL)parseString:(NSString *)str intoUInt64:(uint64_t *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoUInt64:");
++ (BOOL)parseString:(NSString *)str intoNSInteger:(NSInteger *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoNSInteger:");
++ (BOOL)parseString:(NSString *)str intoNSUInteger:(NSUInteger *)pNum XMPP_DEPRECATED("Use +xmpp_parseString:intoNSUInteger:");
++ (UInt8)extractUInt8FromData:(NSData *)data atOffset:(unsigned int)offset XMPP_DEPRECATED("Use +xmpp_extractUInt8FromData:atOffset:");
++ (UInt16)extractUInt16FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag XMPP_DEPRECATED("Use +xmpp_extractUInt16FromData:atOffset:andConvertFromNetworkOrder:");
++ (UInt32)extractUInt32FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag XMPP_DEPRECATED("Use +xmpp_extractUInt32FromData:atOffset:andConvertFromNetworkOrder:");
+@end
+
+#undef XMPP_DEPRECATED
+
+#endif
diff --git a/Categories/NSNumber+XMPP.m b/Categories/NSNumber+XMPP.m
new file mode 100644
index 0000000..01bdb91
--- /dev/null
+++ b/Categories/NSNumber+XMPP.m
@@ -0,0 +1,265 @@
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation NSNumber (XMPP)
+
++ (NSNumber *)xmpp_numberWithPtr:(const void *)ptr
+{
+	return [[NSNumber alloc] xmpp_initWithPtr:ptr];
+}
+
+- (id)xmpp_initWithPtr:(const void *)ptr
+{
+	return [self initWithLong:(long)ptr];
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoInt32:(int32_t *)pNum
+{
+	if (str == nil)
+	{
+		*pNum = (int32_t)0;
+		return NO;
+	}
+	
+	errno = 0;
+	
+	long result = strtol([str UTF8String], NULL, 10);
+	
+	if (LONG_BIT != 32)
+	{
+		if (result > INT32_MAX)
+		{
+			*pNum = INT32_MAX;
+			return NO;
+		}
+		if (result < INT32_MIN)
+		{
+			*pNum = INT32_MIN;
+			return NO;
+		}
+	}
+	
+	// From the manpage:
+	// 
+	// If no conversion could be performed, 0 is returned and the global variable errno is set to EINVAL.
+	// If an overflow or underflow occurs, errno is set to ERANGE and the function return value is clamped.
+	// 
+	// Clamped means it will be TYPE_MAX or TYPE_MIN.
+	// If overflow/underflow occurs, returning a clamped value is more accurate then returning zero.
+	
+	*pNum = (int32_t)result;
+	
+	if (errno != 0)
+		return NO;
+	else
+		return YES;
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoUInt32:(uint32_t *)pNum
+{
+	if (str == nil)
+	{
+		*pNum = (uint32_t)0;
+		return NO;
+	}
+	
+	errno = 0;
+	
+	unsigned long result = strtoul([str UTF8String], NULL, 10);
+	
+	if (LONG_BIT != 32)
+	{
+		if (result > UINT32_MAX)
+		{
+			*pNum = UINT32_MAX;
+			return NO;
+		}
+	}
+	
+	// From the manpage:
+	// 
+	// If no conversion could be performed, 0 is returned and the global variable errno is set to EINVAL.
+	// If an overflow or underflow occurs, errno is set to ERANGE and the function return value is clamped.
+	// 
+	// Clamped means it will be TYPE_MAX or TYPE_MIN.
+	// If overflow/underflow occurs, returning a clamped value is more accurate then returning zero.
+	
+	*pNum = (uint32_t)result;
+	
+	if (errno != 0)
+		return NO;
+	else
+		return YES;
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoInt64:(int64_t *)pNum
+{
+	if (str == nil)
+	{
+		*pNum = (int64_t)0;
+		return NO;
+	}
+	
+	errno = 0;
+	
+	// On both 32-bit and 64-bit machines, long long = 64 bit
+	
+	*pNum = strtoll([str UTF8String], NULL, 10);
+	
+	// From the manpage:
+	// 
+	// If no conversion could be performed, 0 is returned and the global variable errno is set to EINVAL.
+	// If an overflow or underflow occurs, errno is set to ERANGE and the function return value is clamped.
+	// 
+	// Clamped means it will be TYPE_MAX or TYPE_MIN.
+	// If overflow/underflow occurs, returning a clamped value is more accurate then returning zero.
+	
+	if (errno != 0)
+		return NO;
+	else
+		return YES;
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoUInt64:(uint64_t *)pNum
+{
+	if (str == nil)
+	{
+		*pNum = (uint64_t)0;
+		return NO;
+	}
+	
+	errno = 0;
+	
+	// On both 32-bit and 64-bit machines, unsigned long long = 64 bit
+	
+	*pNum = strtoull([str UTF8String], NULL, 10);
+	
+	// From the manpage:
+	// 
+	// If no conversion could be performed, 0 is returned and the global variable errno is set to EINVAL.
+	// If an overflow or underflow occurs, errno is set to ERANGE and the function return value is clamped.
+	// 
+	// Clamped means it will be TYPE_MAX or TYPE_MIN.
+	// If overflow/underflow occurs, returning a clamped value is more accurate then returning zero.
+	
+	if (errno != 0)
+		return NO;
+	else
+		return YES;
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoNSInteger:(NSInteger *)pNum
+{
+	if (NSIntegerMax == INT32_MAX)
+		return [self xmpp_parseString:str intoInt32:(int32_t *)pNum];
+	else
+		return [self xmpp_parseString:str intoInt64:(int64_t *)pNum];
+}
+
++ (BOOL)xmpp_parseString:(NSString *)str intoNSUInteger:(NSUInteger *)pNum
+{
+	if (NSUIntegerMax == UINT32_MAX)
+		return [self xmpp_parseString:str intoUInt32:(uint32_t *)pNum];
+	else
+		return [self xmpp_parseString:str intoUInt64:(uint64_t *)pNum];
+}
+
++ (UInt8)xmpp_extractUInt8FromData:(NSData *)data atOffset:(unsigned int)offset
+{
+	// 8 bits = 1 byte
+	
+	if([data length] < offset + 1) return 0;
+	
+	UInt8 *pResult = (UInt8 *)([data bytes] + offset);
+	UInt8 result = *pResult;
+	
+	return result;
+}
+
++ (UInt16)xmpp_extractUInt16FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag
+{
+	// 16 bits = 2 bytes
+	
+	if([data length] < offset + 2) return 0;
+	
+	UInt16 *pResult = (UInt16 *)([data bytes] + offset);
+	UInt16 result = *pResult;
+	
+	if(flag)
+		return ntohs(result);
+	else
+		return result;
+}
+
++ (UInt32)xmpp_extractUInt32FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag
+{
+	// 32 bits = 4 bytes
+	
+	if([data length] < offset + 4) return 0;
+	
+	UInt32 *pResult = (UInt32 *)([data bytes] + offset);
+	UInt32 result = *pResult;
+	
+	if(flag)
+		return ntohl(result);
+	else
+		return result;
+}
+
+@end
+
+#ifndef XMPP_EXCLUDE_DEPRECATED
+
+@implementation NSNumber (XMPPDeprecated)
+
++ (NSNumber *)numberWithPtr:(const void *)ptr {
+    return [self xmpp_numberWithPtr:ptr];
+}
+
+- (id)initWithPtr:(const void *)ptr {
+    return [self xmpp_initWithPtr:ptr];
+}
+
++ (BOOL)parseString:(NSString *)str intoInt32:(int32_t *)pNum {
+    return [self xmpp_parseString:str intoInt32:pNum];
+}
+
++ (BOOL)parseString:(NSString *)str intoUInt32:(uint32_t *)pNum {
+    return [self xmpp_parseString:str intoUInt32:pNum];
+}
+
++ (BOOL)parseString:(NSString *)str intoInt64:(int64_t *)pNum {
+    return [self xmpp_parseString:str intoInt64:pNum];
+}
+
++ (BOOL)parseString:(NSString *)str intoUInt64:(uint64_t *)pNum {
+    return [self xmpp_parseString:str intoUInt64:pNum];
+}
+
++ (BOOL)parseString:(NSString *)str intoNSInteger:(NSInteger *)pNum {
+    return [self xmpp_parseString:str intoNSInteger:pNum];
+}
+
++ (BOOL)parseString:(NSString *)str intoNSUInteger:(NSUInteger *)pNum {
+    return [self xmpp_parseString:str intoNSUInteger:pNum];
+}
+
++ (UInt8)extractUInt8FromData:(NSData *)data atOffset:(unsigned int)offset {
+    return [self xmpp_extractUInt8FromData:data atOffset:offset];
+}
+
++ (UInt16)extractUInt16FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag {
+    return [self xmpp_extractUInt16FromData:data atOffset:offset andConvertFromNetworkOrder:flag];
+}
+
++ (UInt32)extractUInt32FromData:(NSData *)data atOffset:(unsigned int)offset andConvertFromNetworkOrder:(BOOL)flag {
+    return [self xmpp_extractUInt32FromData:data atOffset:offset andConvertFromNetworkOrder:flag];
+}
+
+@end
+
+#endif
diff --git a/Categories/NSXMLElement+XMPP.h b/Categories/NSXMLElement+XMPP.h
new file mode 100644
index 0000000..addf89a
--- /dev/null
+++ b/Categories/NSXMLElement+XMPP.h
@@ -0,0 +1,157 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+
+@interface NSXMLElement (XMPP)
+
+/**
+ * Convenience methods for Creating elements.
+**/
+
++ (NSXMLElement *)elementWithName:(NSString *)name numberValue:(NSNumber *)number;
+- (id)initWithName:(NSString *)name numberValue:(NSNumber *)number;
+
++ (NSXMLElement *)elementWithName:(NSString *)name objectValue:(id)objectValue;
+- (id)initWithName:(NSString *)name objectValue:(id)objectValue;
+
+/**
+ * Creating elements with explicit xmlns values.
+ * 
+ * Use these instead of [NSXMLElement initWithName:URI:].
+ * The category methods below are more readable, and they actually work.
+**/
+
++ (NSXMLElement *)elementWithName:(NSString *)name xmlns:(NSString *)ns;
+- (id)initWithName:(NSString *)name xmlns:(NSString *)ns;
+
+/**
+ * Extracting multiple elements.
+**/
+
+- (NSArray *)elementsForXmlns:(NSString *)ns;
+- (NSArray *)elementsForXmlnsPrefix:(NSString *)nsPrefix;
+
+/**
+ * Extracting a single element.
+**/
+
+- (NSXMLElement *)elementForName:(NSString *)name;
+- (NSXMLElement *)elementForName:(NSString *)name xmlns:(NSString *)xmlns;
+- (NSXMLElement *)elementForName:(NSString *)name xmlnsPrefix:(NSString *)xmlnsPrefix;
+
+/**
+ * Convenience methods for removing child elements.
+ *
+ * If the element doesn't exist, these methods do nothing.
+**/
+
+- (void)removeElementForName:(NSString *)name;
+- (void)removeElementsForName:(NSString *)name;
+- (void)removeElementForName:(NSString *)name xmlns:(NSString *)xmlns;
+- (void)removeElementForName:(NSString *)name xmlnsPrefix:(NSString *)xmlnsPrefix;
+
+/**
+ * Working with the common xmpp xmlns value.
+ * 
+ * Use these instead of getting/setting the URI.
+ * The category methods below are more readable, and they actually work.
+**/
+
+- (NSString *)xmlns;
+- (void)setXmlns:(NSString *)ns;
+
+/**
+ * Convenience methods for printing xml elements with different styles.
+**/
+
+- (NSString *)prettyXMLString;
+- (NSString *)compactXMLString;
+
+/**
+ * Convenience methods for adding attributes.
+**/
+
+- (void)addAttributeWithName:(NSString *)name intValue:(int)intValue;
+- (void)addAttributeWithName:(NSString *)name boolValue:(BOOL)boolValue;
+- (void)addAttributeWithName:(NSString *)name floatValue:(float)floatValue;
+- (void)addAttributeWithName:(NSString *)name doubleValue:(double)doubleValue;
+- (void)addAttributeWithName:(NSString *)name integerValue:(NSInteger)integerValue;
+- (void)addAttributeWithName:(NSString *)name unsignedIntegerValue:(NSUInteger)unsignedIntegerValue;
+- (void)addAttributeWithName:(NSString *)name stringValue:(NSString *)string;
+- (void)addAttributeWithName:(NSString *)name numberValue:(NSNumber *)number;
+- (void)addAttributeWithName:(NSString *)name objectValue:(id)objectValue;
+
+/**
+ * Convenience methods for extracting attribute values in different formats.
+ * 
+ * E.g. <beer name="guinness" price="4.50"/> // float price = [beer attributeFloatValueForName:@"price"];
+**/
+
+- (int)attributeIntValueForName:(NSString *)name;
+- (BOOL)attributeBoolValueForName:(NSString *)name;
+- (float)attributeFloatValueForName:(NSString *)name;
+- (double)attributeDoubleValueForName:(NSString *)name;
+- (int32_t)attributeInt32ValueForName:(NSString *)name;
+- (uint32_t)attributeUInt32ValueForName:(NSString *)name;
+- (int64_t)attributeInt64ValueForName:(NSString *)name;
+- (uint64_t)attributeUInt64ValueForName:(NSString *)name;
+- (NSInteger)attributeIntegerValueForName:(NSString *)name;
+- (NSUInteger)attributeUnsignedIntegerValueForName:(NSString *)name;
+- (NSString *)attributeStringValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberIntValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberBoolValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberFloatValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberDoubleValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberInt32ValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberUInt32ValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberInt64ValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberUInt64ValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberIntegerValueForName:(NSString *)name;
+- (NSNumber *)attributeNumberUnsignedIntegerValueForName:(NSString *)name;
+
+- (int)attributeIntValueForName:(NSString *)name withDefaultValue:(int)defaultValue;
+- (BOOL)attributeBoolValueForName:(NSString *)name withDefaultValue:(BOOL)defaultValue;
+- (float)attributeFloatValueForName:(NSString *)name withDefaultValue:(float)defaultValue;
+- (double)attributeDoubleValueForName:(NSString *)name withDefaultValue:(double)defaultValue;
+- (int32_t)attributeInt32ValueForName:(NSString *)name withDefaultValue:(int32_t)defaultValue;
+- (uint32_t)attributeUInt32ValueForName:(NSString *)name withDefaultValue:(uint32_t)defaultValue;
+- (int64_t)attributeInt64ValueForName:(NSString *)name withDefaultValue:(int64_t)defaultValue;
+- (uint64_t)attributeUInt64ValueForName:(NSString *)name withDefaultValue:(uint64_t)defaultValue;
+- (NSInteger)attributeIntegerValueForName:(NSString *)name withDefaultValue:(NSInteger)defaultValue;
+- (NSUInteger)attributeUnsignedIntegerValueForName:(NSString *)name withDefaultValue:(NSUInteger)defaultValue;
+- (NSString *)attributeStringValueForName:(NSString *)name withDefaultValue:(NSString *)defaultValue;
+- (NSNumber *)attributeNumberIntValueForName:(NSString *)name withDefaultValue:(int)defaultValue;
+- (NSNumber *)attributeNumberBoolValueForName:(NSString *)name withDefaultValue:(BOOL)defaultValue;
+
+- (NSMutableDictionary *)attributesAsDictionary;
+
+/**
+ * Convenience methods for extracting element values in different formats.
+ * 
+ * E.g. <price>9.99</price> // float price = [priceElement stringValueAsFloat];
+**/
+
+- (int)stringValueAsInt;
+- (BOOL)stringValueAsBool;
+- (float)stringValueAsFloat;
+- (double)stringValueAsDouble;
+- (int32_t)stringValueAsInt32;
+- (uint32_t)stringValueAsUInt32;
+- (int64_t)stringValueAsInt64;
+- (uint64_t)stringValueAsUInt64;
+- (NSInteger)stringValueAsNSInteger;
+- (NSUInteger)stringValueAsNSUInteger;
+
+/**
+ * Working with namespaces.
+**/
+
+- (void)addNamespaceWithPrefix:(NSString *)prefix stringValue:(NSString *)string;
+
+- (NSString *)namespaceStringValueForPrefix:(NSString *)prefix;
+- (NSString *)namespaceStringValueForPrefix:(NSString *)prefix withDefaultValue:(NSString *)defaultValue;
+
+@end
diff --git a/Categories/NSXMLElement+XMPP.m b/Categories/NSXMLElement+XMPP.m
new file mode 100644
index 0000000..1daaf2e
--- /dev/null
+++ b/Categories/NSXMLElement+XMPP.m
@@ -0,0 +1,663 @@
+#import "NSXMLElement+XMPP.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@implementation NSXMLElement (XMPP)
+
+/**
+ * Convenience methods for Creating elements.
+**/
+
++ (NSXMLElement *)elementWithName:(NSString *)name numberValue:(NSNumber *)number
+{
+    return [self elementWithName:name stringValue:[number stringValue]];
+}
+
+- (id)initWithName:(NSString *)name numberValue:(NSNumber *)number
+{
+    return [self initWithName:name stringValue:[number stringValue]];
+}
+
++ (NSXMLElement *)elementWithName:(NSString *)name objectValue:(id)objectValue
+{
+    if([objectValue isKindOfClass:[NSString class]])
+    {
+        return [self elementWithName:name stringValue:objectValue];
+    }
+    else if([objectValue isKindOfClass:[NSNumber class]])
+    {
+        return [self elementWithName:name numberValue:objectValue];
+    }
+    else if([objectValue respondsToSelector:@selector(stringValue)])
+    {
+        return [self elementWithName:name stringValue:[objectValue stringValue]];
+    }
+    else
+    {
+        return [self elementWithName:name];
+    }
+}
+
+- (id)initWithName:(NSString *)name objectValue:(id)objectValue
+{
+    if([objectValue isKindOfClass:[NSString class]])
+    {
+        return [self initWithName:name stringValue:objectValue];
+    }
+    else if([objectValue isKindOfClass:[NSNumber class]])
+    {
+        return [self initWithName:name numberValue:objectValue];
+    }
+    else if([objectValue respondsToSelector:@selector(stringValue)])
+    {
+        return [self initWithName:name stringValue:[objectValue stringValue]];
+    }
+    else
+    {
+        return [self initWithName:name];
+    }
+}
+
+/**
+ * Quick method to create an element
+**/
++ (NSXMLElement *)elementWithName:(NSString *)name xmlns:(NSString *)ns
+{
+	NSXMLElement *element = [NSXMLElement elementWithName:name];
+	[element setXmlns:ns];
+	return element;
+}
+
+- (id)initWithName:(NSString *)name xmlns:(NSString *)ns
+{
+	if ((self = [self initWithName:name]))
+	{
+		[self setXmlns:ns];
+	}
+	return self;
+}
+
+- (NSArray *)elementsForXmlns:(NSString *)ns
+{
+	NSMutableArray *elements = [NSMutableArray array];
+	
+	for (NSXMLNode *node in [self children])
+	{
+		if ([node isKindOfClass:[NSXMLElement class]])
+		{
+			NSXMLElement *element = (NSXMLElement *)node;
+			
+			if ([[element xmlns] isEqual:ns])
+			{
+				[elements addObject:element];
+			}
+		}
+	}
+	
+	return elements;
+}
+
+- (NSArray *)elementsForXmlnsPrefix:(NSString *)nsPrefix
+{
+    NSMutableArray *elements = [NSMutableArray array];
+	
+	for (NSXMLNode *node in [self children])
+	{
+		if ([node isKindOfClass:[NSXMLElement class]])
+		{
+			NSXMLElement *element = (NSXMLElement *)node;
+			
+			if ([[element xmlns] hasPrefix:nsPrefix])
+			{
+				[elements addObject:element];
+			}
+		}
+	}
+	
+	return elements;
+}
+
+/**
+ * This method returns the first child element for the given name (as an NSXMLElement).
+ * If no child elements exist for the given name, nil is returned.
+**/
+- (NSXMLElement *)elementForName:(NSString *)name
+{
+	NSArray *elements = [self elementsForName:name];
+	if ([elements count] > 0)
+	{
+		return elements[0];
+	}
+	else
+	{
+		// There is a bug in the NSXMLElement elementsForName: method.
+		// Consider the following XML fragment:
+		// 
+		// <query xmlns="jabber:iq:private">
+		//   <x xmlns="some:other:namespace"></x>
+		// </query>
+		// 
+		// Calling [query elementsForName:@"x"] results in an empty array!
+		// 
+		// However, it will work properly if you use the following:
+		// [query elementsForLocalName:@"x" URI:@"some:other:namespace"]
+		// 
+		// The trouble with this is that we may not always know the xmlns in advance,
+		// so in this particular case there is no way to access the element without looping through the children.
+		// 
+		// This bug was submitted to apple on June 1st, 2007 and was classified as "serious".
+		// 
+		// --!!-- This bug does NOT exist in DDXML --!!--
+		
+		return nil;
+	}
+}
+
+/**
+ * This method returns the first child element for the given name and given xmlns (as an NSXMLElement).
+ * If no child elements exist for the given name and given xmlns, nil is returned.
+**/
+- (NSXMLElement *)elementForName:(NSString *)name xmlns:(NSString *)xmlns
+{
+	NSArray *elements = [self elementsForLocalName:name URI:xmlns];
+	if ([elements count] > 0)
+	{
+		return elements[0];
+	}
+	else
+	{
+		return nil;
+	}
+}
+
+- (NSXMLElement *)elementForName:(NSString *)name xmlnsPrefix:(NSString *)xmlnsPrefix{
+    
+    NSXMLElement *result = nil;
+	
+	for (NSXMLNode *node in [self children])
+	{
+		if ([node isKindOfClass:[NSXMLElement class]])
+		{
+			NSXMLElement *element = (NSXMLElement *)node;
+			
+			if ([[element name] isEqualToString:name] && [[element xmlns] hasPrefix:xmlnsPrefix])
+			{
+				result = element;
+                break;
+			}
+		}
+	}
+	
+	return result;
+}
+
+/**
+ * This method removes the first child element for the given name.
+ * If no child elements exist for the given name, this method does nothing.
+**/
+- (void)removeElementForName:(NSString *)name
+{
+    NSXMLElement *element = [self elementForName:name];
+
+    if(element)
+    {
+        [self removeChildAtIndex:[[self children] indexOfObject:element]];
+    }
+}
+
+/**
+ * This method removes the all child elements for the given name.
+ * If no child elements exist for the given name, this method does nothing.
+**/
+- (void)removeElementsForName:(NSString *)name
+{
+    NSArray *elements = [self elementsForName:name];
+    
+    for(NSXMLElement *element in elements)
+    {
+        [self removeChildAtIndex:[[self children] indexOfObject:element]];
+    }
+}
+
+/**
+ * This method removes the first child element for the given name and given xmlns.
+ * If no child elements exist for the given name and given xmlns, this method does nothing.
+**/
+- (void)removeElementForName:(NSString *)name xmlns:(NSString *)xmlns
+{
+    NSXMLElement *element = [self elementForName:name xmlns:xmlns];
+    
+    if(element)
+    {
+        [self removeChildAtIndex:[[self children] indexOfObject:element]];
+    }
+}
+
+/**
+ * This method removes the first child element for the given name and given xmlns prefix.
+ * If no child elements exist for the given name and given xmlns prefix, this method does nothing.
+**/
+- (void)removeElementForName:(NSString *)name xmlnsPrefix:(NSString *)xmlnsPrefix
+{
+    NSXMLElement *element = [self elementForName:name xmlnsPrefix:xmlnsPrefix];
+    
+    if(element)
+    {
+        [self removeChildAtIndex:[[self children] indexOfObject:element]];
+    }
+}
+
+/**
+ * Returns the common xmlns "attribute", which is only accessible via the namespace methods.
+ * The xmlns value is often used in jabber elements.
+**/
+- (NSString *)xmlns
+{
+	return [[self namespaceForPrefix:@""] stringValue];
+}
+
+- (void)setXmlns:(NSString *)ns
+{
+	// If we use setURI: then the xmlns won't be displayed in the XMLString.
+	// Adding the namespace this way works properly.
+	
+	[self addNamespace:[NSXMLNode namespaceWithName:@"" stringValue:ns]];
+}
+
+/**
+ * Shortcut to get a pretty (formatted) string representation of the element.
+**/
+- (NSString *)prettyXMLString
+{
+	return [self XMLStringWithOptions:(NSXMLNodePrettyPrint | NSXMLNodeCompactEmptyElement)];
+}
+
+/**
+ * Shortcut to get a compact string representation of the element.
+**/
+- (NSString *)compactXMLString
+{
+    return [self XMLStringWithOptions:NSXMLNodeCompactEmptyElement];
+}
+
+/**
+ *	Shortcut to avoid having to use NSXMLNode everytime
+**/
+
+- (void)addAttributeWithName:(NSString *)name intValue:(int)intValue
+{
+  [self addAttributeWithName:name numberValue:@(intValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name boolValue:(BOOL)boolValue
+{
+  [self addAttributeWithName:name numberValue:@(boolValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name floatValue:(float)floatValue
+{
+  [self addAttributeWithName:name numberValue:@(floatValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name doubleValue:(double)doubleValue
+{
+  [self addAttributeWithName:name numberValue:@(doubleValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name integerValue:(NSInteger)integerValue
+{
+  [self addAttributeWithName:name numberValue:@(integerValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name unsignedIntegerValue:(NSUInteger)unsignedIntegerValue
+{
+  [self addAttributeWithName:name numberValue:@(unsignedIntegerValue)];
+}
+
+- (void)addAttributeWithName:(NSString *)name stringValue:(NSString *)string
+{
+	[self addAttribute:[NSXMLNode attributeWithName:name stringValue:string]];
+}
+
+- (void)addAttributeWithName:(NSString *)name numberValue:(NSNumber *)number
+{
+    [self addAttributeWithName:name stringValue:[number stringValue]];
+}
+
+- (void)addAttributeWithName:(NSString *)name objectValue:(id)objectValue
+{
+    if([objectValue isKindOfClass:[NSString class]])
+    {
+        [self addAttributeWithName:name stringValue:objectValue];
+    }
+    else if([objectValue isKindOfClass:[NSNumber class]])
+    {
+        [self addAttributeWithName:name numberValue:objectValue];
+    }
+    else if([objectValue respondsToSelector:@selector(stringValue)])
+    {
+        [self addAttributeWithName:name stringValue:[objectValue stringValue]];
+    }
+}
+
+/**
+ * The following methods return the corresponding value of the attribute with the given name.
+**/
+
+- (int)attributeIntValueForName:(NSString *)name
+{
+	return [[self attributeStringValueForName:name] intValue];
+}
+- (BOOL)attributeBoolValueForName:(NSString *)name
+{
+    NSString *attributeStringValueForName = [self attributeStringValueForName:name];
+    
+    BOOL result = NO;
+    
+    // An XML boolean datatype can have the following legal literals: true, false, 1, 0
+    
+    if ([attributeStringValueForName isEqualToString:@"true"] || [attributeStringValueForName isEqualToString:@"1"])
+    {
+        result = YES;
+    }
+    else if([attributeStringValueForName isEqualToString:@"false"] || [attributeStringValueForName isEqualToString:@"0"])
+    {
+        result = NO;
+    }
+    else
+    {
+        result = [attributeStringValueForName boolValue];
+    }
+    
+    return result;
+}
+- (float)attributeFloatValueForName:(NSString *)name
+{
+	return [[self attributeStringValueForName:name] floatValue];
+}
+- (double)attributeDoubleValueForName:(NSString *)name
+{
+	return [[self attributeStringValueForName:name] doubleValue];
+}
+- (int32_t)attributeInt32ValueForName:(NSString *)name
+{
+	int32_t result = 0;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoInt32:&result];
+	return result;
+}
+- (uint32_t)attributeUInt32ValueForName:(NSString *)name
+{
+	uint32_t result = 0;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoUInt32:&result];
+	return result;
+}
+- (int64_t)attributeInt64ValueForName:(NSString *)name
+{
+	int64_t result;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoInt64:&result];
+	return result;
+}
+- (uint64_t)attributeUInt64ValueForName:(NSString *)name
+{
+	uint64_t result;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoUInt64:&result];
+	return result;
+}
+- (NSInteger)attributeIntegerValueForName:(NSString *)name
+{
+	NSInteger result;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoNSInteger:&result];
+	return result;
+}
+- (NSUInteger)attributeUnsignedIntegerValueForName:(NSString *)name
+{
+	NSUInteger result = 0;
+	[NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoNSUInteger:&result];
+	return result;
+}
+- (NSString *)attributeStringValueForName:(NSString *)name
+{
+	return [[self attributeForName:name] stringValue];
+}
+- (NSNumber *)attributeNumberIntValueForName:(NSString *)name
+{
+	return @([self attributeIntValueForName:name]);
+}
+- (NSNumber *)attributeNumberBoolValueForName:(NSString *)name
+{
+	return @([self attributeBoolValueForName:name]);
+}
+- (NSNumber *)attributeNumberFloatValueForName:(NSString *)name
+{
+	return @([self attributeFloatValueForName:name]);
+}
+- (NSNumber *)attributeNumberDoubleValueForName:(NSString *)name
+{
+	return @([self attributeDoubleValueForName:name]);
+}
+- (NSNumber *)attributeNumberInt32ValueForName:(NSString *)name
+{
+	return @([self attributeInt32ValueForName:name]);
+}
+- (NSNumber *)attributeNumberUInt32ValueForName:(NSString *)name
+{
+	return @([self attributeUInt32ValueForName:name]);
+}
+- (NSNumber *)attributeNumberInt64ValueForName:(NSString *)name
+{
+	return @([self attributeInt64ValueForName:name]);
+}
+- (NSNumber *)attributeNumberUInt64ValueForName:(NSString *)name
+{
+	return @([self attributeUInt64ValueForName:name]);
+}
+- (NSNumber *)attributeNumberIntegerValueForName:(NSString *)name
+{
+	return @([self attributeIntegerValueForName:name]);
+}
+- (NSNumber *)attributeNumberUnsignedIntegerValueForName:(NSString *)name
+{
+	return @([self attributeUnsignedIntegerValueForName:name]);
+}
+
+/**
+ * The following methods return the corresponding value of the attribute with the given name.
+ * If the attribute does not exist, the given defaultValue is returned.
+**/
+
+- (int)attributeIntValueForName:(NSString *)name withDefaultValue:(int)defaultValue
+{
+	NSXMLNode *attr = [self attributeForName:name];
+	return (attr) ? [[attr stringValue] intValue] : defaultValue;
+}
+- (BOOL)attributeBoolValueForName:(NSString *)name withDefaultValue:(BOOL)defaultValue
+{
+	NSXMLNode *attr = [self attributeForName:name];
+	return (attr) ? [[attr stringValue] boolValue] : defaultValue;
+}
+- (float)attributeFloatValueForName:(NSString *)name withDefaultValue:(float)defaultValue
+{
+	NSXMLNode *attr = [self attributeForName:name];
+	return (attr) ? [[attr stringValue] floatValue] : defaultValue;
+}
+- (double)attributeDoubleValueForName:(NSString *)name withDefaultValue:(double)defaultValue
+{
+	NSXMLNode *attr = [self attributeForName:name];
+	return (attr) ? [[attr stringValue] doubleValue] : defaultValue;
+}
+- (int32_t)attributeInt32ValueForName:(NSString *)name withDefaultValue:(int32_t)defaultValue
+{
+	int32_t result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoInt32:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (uint32_t)attributeUInt32ValueForName:(NSString *)name withDefaultValue:(uint32_t)defaultValue
+{
+	uint32_t result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoUInt32:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (int64_t)attributeInt64ValueForName:(NSString *)name withDefaultValue:(int64_t)defaultValue
+{
+	int64_t result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoInt64:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (uint64_t)attributeUInt64ValueForName:(NSString *)name withDefaultValue:(uint64_t)defaultValue
+{
+	uint64_t result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoUInt64:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (NSInteger)attributeIntegerValueForName:(NSString *)name withDefaultValue:(NSInteger)defaultValue
+{
+	NSInteger result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoNSInteger:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (NSUInteger)attributeUnsignedIntegerValueForName:(NSString *)name withDefaultValue:(NSUInteger)defaultValue
+{
+	NSUInteger result = 0;
+	if ([NSNumber xmpp_parseString:[self attributeStringValueForName:name] intoNSUInteger:&result])
+		return result;
+	else
+		return defaultValue;
+}
+- (NSString *)attributeStringValueForName:(NSString *)name withDefaultValue:(NSString *)defaultValue
+{
+    NSXMLNode *attr = [self attributeForName:name];
+    return (attr) ? [attr stringValue] : defaultValue;
+}
+- (NSNumber *)attributeNumberIntValueForName:(NSString *)name withDefaultValue:(int)defaultValue
+{
+	return @([self attributeIntValueForName:name withDefaultValue:defaultValue]);
+}
+- (NSNumber *)attributeNumberBoolValueForName:(NSString *)name withDefaultValue:(BOOL)defaultValue
+{
+	return @([self attributeBoolValueForName:name withDefaultValue:defaultValue]);
+}
+
+/**
+ * Returns all the attributes in a dictionary.
+**/
+- (NSMutableDictionary *)attributesAsDictionary
+{
+	NSArray *attributes = [self attributes];
+	NSMutableDictionary *result = [NSMutableDictionary dictionaryWithCapacity:[attributes count]];
+	
+	NSUInteger i;
+	for(i = 0; i < [attributes count]; i++)
+	{
+		NSXMLNode *node = attributes[i];
+		
+		result[[node name]] = [node stringValue];
+	}
+	return result;
+}
+
+/**
+ * The following methods return the corresponding value of the node.
+**/
+
+- (int)stringValueAsInt
+{
+	return [[self stringValue] intValue];
+}
+- (BOOL)stringValueAsBool
+{
+	return [[self stringValue] boolValue];
+}
+- (float)stringValueAsFloat
+{
+	return [[self stringValue] floatValue];
+}
+- (double)stringValueAsDouble
+{
+	return [[self stringValue] doubleValue];
+}
+- (int32_t)stringValueAsInt32
+{
+	int32_t result;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoInt32:&result])
+		return result;
+	else
+		return 0;
+}
+- (uint32_t)stringValueAsUInt32
+{
+	uint32_t result;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoUInt32:&result])
+		return result;
+	else
+		return 0;
+}
+- (int64_t)stringValueAsInt64
+{
+	int64_t result = 0;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoInt64:&result])
+		return result;
+	else
+		return 0;
+}
+- (uint64_t)stringValueAsUInt64
+{
+	uint64_t result = 0;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoUInt64:&result])
+		return result;
+	else
+		return 0;
+}
+- (NSInteger)stringValueAsNSInteger
+{
+	NSInteger result = 0;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoNSInteger:&result])
+		return result;
+	else
+		return 0;
+}
+- (NSUInteger)stringValueAsNSUInteger
+{
+	NSUInteger result = 0;
+	if ([NSNumber xmpp_parseString:[self stringValue] intoNSUInteger:&result])
+		return result;
+	else
+		return 0;
+}
+
+/**
+ *	Shortcut to avoid having to use NSXMLNode everytime
+**/
+- (void)addNamespaceWithPrefix:(NSString *)prefix stringValue:(NSString *)string
+{
+	[self addNamespace:[NSXMLNode namespaceWithName:prefix stringValue:string]];
+}
+
+/**
+ * Just to make your code look a little bit cleaner.
+**/
+
+- (NSString *)namespaceStringValueForPrefix:(NSString *)prefix
+{
+	return [[self namespaceForPrefix:prefix] stringValue];
+}
+
+- (NSString *)namespaceStringValueForPrefix:(NSString *)prefix withDefaultValue:(NSString *)defaultValue
+{
+	NSXMLNode *namespace = [self namespaceForPrefix:prefix];
+	return (namespace) ? [namespace stringValue] : defaultValue;
+}
+
+@end
diff --git a/Core/XMPP.h b/Core/XMPP.h
new file mode 100644
index 0000000..eae4465
--- /dev/null
+++ b/Core/XMPP.h
@@ -0,0 +1,31 @@
+// 
+// Core classes
+// 
+
+#import "XMPPJID.h"
+#import "XMPPStream.h"
+#import "XMPPElement.h"
+#import "XMPPIQ.h"
+#import "XMPPMessage.h"
+#import "XMPPPresence.h"
+#import "XMPPModule.h"
+
+// 
+// Authentication
+// 
+
+#import "XMPPSASLAuthentication.h"
+#import "XMPPCustomBinding.h"
+#import "XMPPDigestMD5Authentication.h"
+#import "XMPPSCRAMSHA1Authentication.h"
+#import "XMPPPlainAuthentication.h"
+#import "XMPPXFacebookPlatformAuthentication.h"
+#import "XMPPAnonymousAuthentication.h"
+#import "XMPPDeprecatedPlainAuthentication.h"
+#import "XMPPDeprecatedDigestAuthentication.h"
+
+// 
+// Categories
+// 
+
+#import "NSXMLElement+XMPP.h"
diff --git a/Core/XMPPConstants.h b/Core/XMPPConstants.h
new file mode 100644
index 0000000..63e94e0
--- /dev/null
+++ b/Core/XMPPConstants.h
@@ -0,0 +1,16 @@
+#import <Foundation/Foundation.h>
+
+/**
+* This class is provided to house various namespaces that are reused throughout
+* the project. Feel free to add to the constants as you see necessary. If a
+* particular namespace is only applicable to a particular extension, then it
+* should be inside that extension rather than here.
+*/
+
+extern NSString *const XMPPSINamespace;
+extern NSString *const XMPPSIProfileFileTransferNamespace;
+extern NSString *const XMPPFeatureNegNamespace;
+extern NSString *const XMPPBytestreamsNamespace;
+extern NSString *const XMPPIBBNamespace;
+extern NSString *const XMPPDiscoItemsNamespace;
+extern NSString *const XMPPDiscoInfoNamespace;
diff --git a/Core/XMPPConstants.m b/Core/XMPPConstants.m
new file mode 100644
index 0000000..d341b56
--- /dev/null
+++ b/Core/XMPPConstants.m
@@ -0,0 +1,10 @@
+#import "XMPPConstants.h"
+
+NSString *const XMPPSINamespace = @"http://jabber.org/protocol/si";
+NSString *const XMPPSIProfileFileTransferNamespace =
+    @"http://jabber.org/protocol/si/profile/file-transfer";
+NSString *const XMPPFeatureNegNamespace = @"http://jabber.org/protocol/feature-neg";
+NSString *const XMPPBytestreamsNamespace = @"http://jabber.org/protocol/bytestreams";
+NSString *const XMPPIBBNamespace = @"http://jabber.org/protocol/ibb";
+NSString *const XMPPDiscoItemsNamespace = @"http://jabber.org/protocol/disco#items";
+NSString *const XMPPDiscoInfoNamespace = @"http://jabber.org/protocol/disco#info";
diff --git a/Core/XMPPElement.h b/Core/XMPPElement.h
new file mode 100644
index 0000000..4c02e49
--- /dev/null
+++ b/Core/XMPPElement.h
@@ -0,0 +1,44 @@
+#import <Foundation/Foundation.h>
+#import "XMPPJID.h"
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+
+/**
+ * The XMPPElement provides the base class for XMPPIQ, XMPPMessage & XMPPPresence.
+ * 
+ * This class extends NSXMLElement.
+ * The NSXML classes (NSXMLElement & NSXMLNode) provide a full-featured library for working with XML elements.
+ * 
+ * On the iPhone, the KissXML library provides a drop-in replacement for Apple's NSXML classes.
+**/
+
+@interface XMPPElement : NSXMLElement <NSSecureCoding, NSCopying>
+
+#pragma mark Common Jabber Methods
+
+- (NSString *)elementID;
+
+- (XMPPJID *)to;
+- (XMPPJID *)from;
+
+- (NSString *)toStr;
+- (NSString *)fromStr;
+
+#pragma mark To and From Methods
+
+- (BOOL)isTo:(XMPPJID *)to;
+- (BOOL)isTo:(XMPPJID *)to options:(XMPPJIDCompareOptions)mask;
+
+- (BOOL)isFrom:(XMPPJID *)from;
+- (BOOL)isFrom:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask;
+
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom;
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom options:(XMPPJIDCompareOptions)mask;
+
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from;
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask;
+
+@end
diff --git a/Core/XMPPElement.m b/Core/XMPPElement.m
new file mode 100644
index 0000000..55a1113
--- /dev/null
+++ b/Core/XMPPElement.m
@@ -0,0 +1,192 @@
+#import "XMPPElement.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+
+@implementation XMPPElement
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	NSString *xmlString;
+	if([coder allowsKeyedCoding])
+	{
+        if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+           [coder requiresSecureCoding])
+        {
+            xmlString = [coder decodeObjectOfClass:[NSString class] forKey:@"xmlString"];
+        }
+        else
+        {
+            xmlString = [coder decodeObjectForKey:@"xmlString"];
+        }
+	}
+	else
+	{
+		xmlString = [coder decodeObject];
+	}
+	
+	// The method [super initWithXMLString:error:] may return a different self.
+	// In other words, it may [self release], and alloc/init/return a new self.
+	// 
+	// So to maintain the proper class (XMPPIQ, XMPPMessage, XMPPPresence, etc)
+	// we need to get a reference to the class before invoking super.
+	
+	Class selfClass = [self class];
+	
+	if ((self = [super initWithXMLString:xmlString error:nil]))
+	{
+		object_setClass(self, selfClass);
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	NSString *xmlString = [self compactXMLString];
+	
+	if([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:xmlString forKey:@"xmlString"];
+	}
+	else
+	{
+		[coder encodeObject:xmlString];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	NSXMLElement *elementCopy = [super copyWithZone:zone];
+	object_setClass(elementCopy, [self class]);
+	
+	return elementCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Common Jabber Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)elementID
+{
+	return [[self attributeForName:@"id"] stringValue];
+}
+
+- (NSString *)toStr
+{
+	return [[self attributeForName:@"to"] stringValue];
+}
+
+- (NSString *)fromStr
+{
+	return [[self attributeForName:@"from"] stringValue];
+}
+
+- (XMPPJID *)to
+{
+	return [XMPPJID jidWithString:[self toStr]];
+}
+
+- (XMPPJID *)from
+{
+	return [XMPPJID jidWithString:[self fromStr]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark To and From Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isTo:(XMPPJID *)to
+{
+	return [self.to isEqualToJID:to];
+}
+
+- (BOOL)isTo:(XMPPJID *)to options:(XMPPJIDCompareOptions)mask
+{
+	return [self.to isEqualToJID:to options:mask];
+}
+
+- (BOOL)isFrom:(XMPPJID *)from
+{
+	return [self.from isEqualToJID:from];
+}
+
+- (BOOL)isFrom:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask
+{
+	return [self.from isEqualToJID:from options:mask];
+}
+
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom
+{
+	if([self isTo:toOrFrom] || [self isFrom:toOrFrom])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom options:(XMPPJIDCompareOptions)mask
+{
+	if([self isTo:toOrFrom options:mask] || [self isFrom:toOrFrom options:mask])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from
+{
+	if([self isTo:to] && [self isFrom:from])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask
+{
+	if([self isTo:to options:mask] && [self isFrom:from options:mask])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+@end
diff --git a/Core/XMPPIQ.h b/Core/XMPPIQ.h
new file mode 100644
index 0000000..4c63801
--- /dev/null
+++ b/Core/XMPPIQ.h
@@ -0,0 +1,83 @@
+#import <Foundation/Foundation.h>
+#import "XMPPElement.h"
+
+/**
+ * The XMPPIQ class represents an <iq> element.
+ * It extends XMPPElement, which in turn extends NSXMLElement.
+ * All <iq> elements that go in and out of the
+ * xmpp stream will automatically be converted to XMPPIQ objects.
+ * 
+ * This class exists to provide developers an easy way to add functionality to IQ processing.
+ * Simply add your own category to XMPPIQ to extend it with your own custom methods.
+**/
+
+@interface XMPPIQ : XMPPElement
+
+/**
+ * Converts an NSXMLElement to an XMPPIQ element in place (no memory allocations or copying)
+**/
++ (XMPPIQ *)iqFromElement:(NSXMLElement *)element;
+
+/**
+ * Creates and returns a new autoreleased XMPPIQ element.
+ * If the type or elementID parameters are nil, those attributes will not be added.
+**/
++ (XMPPIQ *)iq;
++ (XMPPIQ *)iqWithType:(NSString *)type;
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid;
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid;
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement;
++ (XMPPIQ *)iqWithType:(NSString *)type elementID:(NSString *)eid;
++ (XMPPIQ *)iqWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement;
++ (XMPPIQ *)iqWithType:(NSString *)type child:(NSXMLElement *)childElement;
+
+/**
+ * Creates and returns a new XMPPIQ element.
+ * If the type or elementID parameters are nil, those attributes will not be added.
+**/
+- (id)init;
+- (id)initWithType:(NSString *)type;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement;
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid;
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement;
+- (id)initWithType:(NSString *)type child:(NSXMLElement *)childElement;
+
+/**
+ * Returns the type attribute of the IQ.
+ * According to the XMPP protocol, the type should be one of 'get', 'set', 'result' or 'error'.
+ * 
+ * This method converts the attribute to lowercase so
+ * case-sensitive string comparisons are safe (regardless of server treatment).
+**/
+- (NSString *)type;
+
+/**
+ * Convenience methods for determining the IQ type.
+**/
+- (BOOL)isGetIQ;
+- (BOOL)isSetIQ;
+- (BOOL)isResultIQ;
+- (BOOL)isErrorIQ;
+
+/**
+ * Convenience method for determining if the IQ is of type 'get' or 'set'.
+**/
+- (BOOL)requiresResponse;
+
+/**
+ * The XMPP RFC has various rules for the number of child elements an IQ is allowed to have:
+ * 
+ * - An IQ stanza of type "get" or "set" MUST contain one and only one child element.
+ * - An IQ stanza of type "result" MUST include zero or one child elements.
+ * - An IQ stanza of type "error" SHOULD include the child element contained in the
+ *   associated "get" or "set" and MUST include an <error/> child.
+ * 
+ * The childElement returns the single non-error element, if one exists, or nil.
+ * The childErrorElement returns the error element, if one exists, or nil.
+**/
+- (NSXMLElement *)childElement;
+- (NSXMLElement *)childErrorElement;
+
+@end
diff --git a/Core/XMPPIQ.m b/Core/XMPPIQ.m
new file mode 100644
index 0000000..2edba24
--- /dev/null
+++ b/Core/XMPPIQ.m
@@ -0,0 +1,222 @@
+#import "XMPPIQ.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPIQ
+
+#if DEBUG
+
++ (void)initialize
+{
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPIQ class]);
+	
+	if (superSize != ourSize)
+	{
+		NSLog(@"Adding instance variables to XMPPIQ is not currently supported!");
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPIQ *)iqFromElement:(NSXMLElement *)element
+{
+	object_setClass(element, [XMPPIQ class]);
+	
+	return (XMPPIQ *)element;
+}
+
++ (XMPPIQ *)iq
+{
+	return [[XMPPIQ alloc] initWithType:nil to:nil elementID:nil child:nil];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type
+{
+	return [[XMPPIQ alloc] initWithType:type to:nil elementID:nil child:nil];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid
+{
+	return [[XMPPIQ alloc] initWithType:type to:jid elementID:nil child:nil];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid
+{
+	return [[XMPPIQ alloc] initWithType:type to:jid elementID:eid child:nil];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [[XMPPIQ alloc] initWithType:type to:jid elementID:eid child:childElement];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type elementID:(NSString *)eid
+{
+	return [[XMPPIQ alloc] initWithType:type to:nil elementID:eid child:nil];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [[XMPPIQ alloc] initWithType:type to:nil elementID:eid child:childElement];
+}
+
++ (XMPPIQ *)iqWithType:(NSString *)type child:(NSXMLElement *)childElement
+{
+	return [[XMPPIQ alloc] initWithType:type to:nil elementID:nil child:childElement];
+}
+
+- (id)init
+{
+	return [self initWithType:nil to:nil elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type
+{
+	return [self initWithType:type to:nil elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid
+{
+	return [self initWithType:type to:jid elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid
+{
+	return [self initWithType:type to:jid elementID:eid child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	if ((self = [super initWithName:@"iq"]))
+	{
+		if (type)
+			[self addAttributeWithName:@"type" stringValue:type];
+		
+		if (jid)
+			[self addAttributeWithName:@"to" stringValue:[jid full]];
+		
+		if (eid)
+			[self addAttributeWithName:@"id" stringValue:eid];
+		
+		if (childElement)
+			[self addChild:childElement];
+	}
+	return self;
+}
+
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid
+{
+	return [self initWithType:type to:nil elementID:eid child:nil];
+}
+
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [self initWithType:type to:nil elementID:eid child:childElement];
+}
+
+- (id)initWithType:(NSString *)type child:(NSXMLElement *)childElement
+{
+	return [self initWithType:type to:nil elementID:nil child:childElement];
+}
+
+- (id)initWithXMLString:(NSString *)string error:(NSError *__autoreleasing *)error
+{	
+	if((self = [super initWithXMLString:string error:error])){
+		self = [XMPPIQ iqFromElement:self];
+	}
+	return self;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+    NSXMLElement *element = [super copyWithZone:zone];
+    return [XMPPIQ iqFromElement:element];
+}
+
+- (NSString *)type
+{
+	return [[self attributeStringValueForName:@"type"] lowercaseString];
+}
+
+- (BOOL)isGetIQ
+{
+	return [[self type] isEqualToString:@"get"];
+}
+
+- (BOOL)isSetIQ
+{
+	return [[self type] isEqualToString:@"set"];
+}
+
+- (BOOL)isResultIQ
+{
+	return [[self type] isEqualToString:@"result"];
+}
+
+- (BOOL)isErrorIQ
+{
+	return [[self type] isEqualToString:@"error"];
+}
+
+- (BOOL)requiresResponse
+{
+	// An entity that receives an IQ request of type "get" or "set" MUST reply with an IQ response
+	// of type "result" or "error" (the response MUST preserve the 'id' attribute of the request).
+	
+	return [self isGetIQ] || [self isSetIQ];
+}
+
+- (NSXMLElement *)childElement
+{
+	NSArray *children = [self children];
+	for (NSXMLElement *child in children)
+	{
+		// Careful: NSOrderedSame == 0
+		
+		NSString *childName = [child name];
+		if (childName && ([childName caseInsensitiveCompare:@"error"] != NSOrderedSame))
+		{
+			return child;
+		}
+	}
+	
+	return nil;
+}
+
+- (NSXMLElement *)childErrorElement
+{
+	NSArray *children = [self children];
+	for (NSXMLElement *child in children)
+	{
+		// Careful: NSOrderedSame == 0
+		
+		NSString *childName = [child name];
+		if (childName && ([childName caseInsensitiveCompare:@"error"] == NSOrderedSame))
+		{
+			return child;
+		}
+	}
+	
+	return nil;
+}
+
+@end
diff --git a/Core/XMPPInternal.h b/Core/XMPPInternal.h
new file mode 100644
index 0000000..9b58ae2
--- /dev/null
+++ b/Core/XMPPInternal.h
@@ -0,0 +1,118 @@
+//
+//  This file is for XMPPStream and various internal components.
+//
+
+#import "XMPPStream.h"
+#import "XMPPModule.h"
+
+// Define the various states we'll use to track our progress
+typedef NS_ENUM(NSInteger, XMPPStreamState) {
+	STATE_XMPP_DISCONNECTED,
+	STATE_XMPP_RESOLVING_SRV,
+	STATE_XMPP_CONNECTING,
+	STATE_XMPP_OPENING,
+	STATE_XMPP_NEGOTIATING,
+	STATE_XMPP_STARTTLS_1,
+	STATE_XMPP_STARTTLS_2,
+	STATE_XMPP_POST_NEGOTIATION,
+	STATE_XMPP_REGISTERING,
+	STATE_XMPP_AUTH,
+	STATE_XMPP_BINDING,
+	STATE_XMPP_START_SESSION,
+	STATE_XMPP_CONNECTED,
+};
+
+/**
+ * It is recommended that storage classes cache a stream's myJID.
+ * This prevents them from constantly querying the property from the xmppStream instance,
+ * as doing so goes through xmppStream's dispatch queue.
+ * Caching the stream's myJID frees the dispatch queue to handle xmpp processing tasks.
+ * 
+ * The object of the notification will be the XMPPStream instance.
+ * 
+ * Note: We're not using the typical MulticastDelegate paradigm for this task as
+ * storage classes are not typically added as a delegate of the xmppStream. 
+**/
+extern NSString *const XMPPStreamDidChangeMyJIDNotification;
+
+@interface XMPPStream (/* Internal */)
+
+/**
+ * XMPPStream maintains thread safety by dispatching  through the internal serial xmppQueue.
+ * Subclasses of XMPPStream MUST follow the same technique:
+ * 
+ * dispatch_block_t block = ^{
+ *     // Code goes here
+ * };
+ * 
+ * if (dispatch_get_specific(xmppQueueTag))
+ *   block();
+ * else
+ *   dispatch_sync(xmppQueue, block);
+ *
+ * Category methods may or may not need to dispatch through the xmppQueue.
+ * It depends entirely on what properties of xmppStream the category method needs to access.
+ * For example, if a category only accesses a single property, such as the rootElement,
+ * then it can simply fetch the atomic property, inspect it, and complete its job.
+ * However, if the category needs to fetch multiple properties, then it likely needs to fetch all such
+ * properties in an atomic fashion. In this case, the category should likely go through the xmppQueue,
+ * to ensure that it gets an atomic state of the xmppStream in order to complete its job.
+**/
+@property (nonatomic, readonly) dispatch_queue_t xmppQueue;
+@property (nonatomic, readonly) void *xmppQueueTag;
+
+/**
+ * Returns the current state of the xmppStream.
+**/
+@property (atomic, readonly) XMPPStreamState state;
+
+/**
+ * This method is for use by xmpp authentication mechanism classes.
+ * They should send elements using this method instead of the public sendElement methods,
+ * as those methods don't send the elements while authentication is in progress.
+ * 
+ * @see XMPPSASLAuthentication
+**/
+- (void)sendAuthElement:(NSXMLElement *)element;
+
+/**
+ * This method is for use by xmpp custom binding classes.
+ * They should send elements using this method instead of the public sendElement methods,
+ * as those methods don't send the elements while authentication/binding is in progress.
+ * 
+ * @see XMPPCustomBinding
+**/
+- (void)sendBindElement:(NSXMLElement *)element;
+
+/**
+ * This method allows you to inject an element into the stream as if it was received on the socket.
+ * This is an advanced technique, but makes for some interesting possibilities.
+**/
+- (void)injectElement:(NSXMLElement *)element;
+
+/**
+ * The XMPP standard only supports <iq>, <message> and <presence> stanzas (excluding session setup stuff).
+ * But some extensions use non-standard element types.
+ * The standard example is XEP-0198, which uses <r> & <a> elements.
+ * 
+ * XMPPStream will assume that any non-standard element types are errors, unless you register them.
+ * Once registered the stream can recognize them, and will use the following delegate methods:
+ * 
+ * xmppStream:didSendCustomElement:
+ * xmppStream:didReceiveCustomElement:
+**/
+- (void)registerCustomElementNames:(NSSet *)names;
+- (void)unregisterCustomElementNames:(NSSet *)names;
+
+@end
+
+@interface XMPPModule (/* Internal */)
+
+/**
+ * Used internally by methods like XMPPStream's unregisterModule:.
+ * Normally removing a delegate is a synchronous operation, but due to multiple dispatch_sync operations,
+ * it must occasionally be done asynchronously to avoid deadlock.
+**/
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue synchronously:(BOOL)synchronously;
+
+@end
diff --git a/Core/XMPPJID.h b/Core/XMPPJID.h
new file mode 100644
index 0000000..cfe51eb
--- /dev/null
+++ b/Core/XMPPJID.h
@@ -0,0 +1,74 @@
+#import <Foundation/Foundation.h>
+
+enum XMPPJIDCompareOptions
+{
+	XMPPJIDCompareUser     = 1, // 001
+	XMPPJIDCompareDomain   = 2, // 010
+	XMPPJIDCompareResource = 4, // 100
+	
+	XMPPJIDCompareBare     = 3, // 011
+	XMPPJIDCompareFull     = 7, // 111
+};
+typedef enum XMPPJIDCompareOptions XMPPJIDCompareOptions;
+
+
+@interface XMPPJID : NSObject <NSSecureCoding, NSCopying>
+{
+	__strong NSString *user;
+	__strong NSString *domain;
+	__strong NSString *resource;
+}
+
++ (XMPPJID *)jidWithString:(NSString *)jidStr;
++ (XMPPJID *)jidWithString:(NSString *)jidStr resource:(NSString *)resource;
++ (XMPPJID *)jidWithUser:(NSString *)user domain:(NSString *)domain resource:(NSString *)resource;
+
+@property (strong, readonly) NSString *user;
+@property (strong, readonly) NSString *domain;
+@property (strong, readonly) NSString *resource;
+
+/**
+ * Terminology (from RFC 6120):
+ * 
+ * The term "bare JID" refers to an XMPP address of the form <localpart@domainpart> (for an account at a server)
+ * or of the form <domainpart> (for a server).
+ * 
+ * The term "full JID" refers to an XMPP address of the form
+ * <localpart@domainpart/resourcepart> (for a particular authorized client or device associated with an account)
+ * or of the form <domainpart/resourcepart> (for a particular resource or script associated with a server).
+ * 
+ * Thus a bareJID is one that does not have a resource.
+ * And a fullJID is one that does have a resource.
+ * 
+ * For convenience, there are also methods that that check for a user component as well.
+**/
+
+- (XMPPJID *)bareJID;
+- (XMPPJID *)domainJID;
+
+- (NSString *)bare;
+- (NSString *)full;
+
+- (BOOL)isBare;
+- (BOOL)isBareWithUser;
+
+- (BOOL)isFull;
+- (BOOL)isFullWithUser;
+
+/**
+ * A server JID does not have a user component.
+**/
+- (BOOL)isServer;
+
+/**
+ * Returns a new jid with the given resource.
+**/
+- (XMPPJID *)jidWithNewResource:(NSString *)resource;
+
+/**
+ * When you know both objects are JIDs, this method is a faster way to check equality than isEqual:.
+**/
+- (BOOL)isEqualToJID:(XMPPJID *)aJID;
+- (BOOL)isEqualToJID:(XMPPJID *)aJID options:(XMPPJIDCompareOptions)mask;
+
+@end
diff --git a/Core/XMPPJID.m b/Core/XMPPJID.m
new file mode 100644
index 0000000..fac24e0
--- /dev/null
+++ b/Core/XMPPJID.m
@@ -0,0 +1,603 @@
+#import "XMPPJID.h"
+#import "XMPPStringPrep.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPJID
+
++ (BOOL)validateDomain:(NSString *)domain
+{
+	// Domain is the only required part of a JID
+	if ((domain == nil) || ([domain length] == 0))
+		return NO;
+	
+	// If there's an @ symbol in the domain it probably means user put @ in their username
+	NSRange invalidAtRange = [domain rangeOfString:@"@"];
+	if (invalidAtRange.location != NSNotFound)
+		return NO;
+	
+	return YES;
+}
+
++ (BOOL)validateResource:(NSString *)resource
+{
+	// Can't use an empty string resource name
+	if ((resource != nil) && ([resource length] == 0))
+		return NO;
+	
+	return YES;
+}
+
++ (BOOL)validateUser:(NSString *)user domain:(NSString *)domain resource:(NSString *)resource
+{
+	if (![self validateDomain:domain])
+		return NO;
+	
+	if (![self validateResource:resource])
+		return NO;
+	
+	return YES;
+}
+
++ (BOOL)parse:(NSString *)jidStr
+	  outUser:(NSString **)user
+	outDomain:(NSString **)domain
+  outResource:(NSString **)resource
+{
+	if(user)     *user = nil;
+	if(domain)   *domain = nil;
+	if(resource) *resource = nil;
+	
+	if(jidStr == nil) return NO;
+	
+	NSString *rawUser = nil;
+	NSString *rawDomain = nil;
+	NSString *rawResource = nil;
+	
+	NSRange atRange = [jidStr rangeOfString:@"@"];
+	
+	if (atRange.location != NSNotFound)
+	{
+		rawUser = [jidStr substringToIndex:atRange.location];
+		
+		NSString *minusUser = [jidStr substringFromIndex:atRange.location+1];
+		
+		NSRange slashRange = [minusUser rangeOfString:@"/"];
+		
+		if (slashRange.location != NSNotFound)
+		{
+			rawDomain = [minusUser substringToIndex:slashRange.location];
+			rawResource = [minusUser substringFromIndex:slashRange.location+1];
+		}
+		else
+		{
+			rawDomain = minusUser;
+		}
+	}
+	else
+	{
+		NSRange slashRange = [jidStr rangeOfString:@"/"];
+				
+		if (slashRange.location != NSNotFound)
+		{
+			rawDomain = [jidStr substringToIndex:slashRange.location];
+			rawResource = [jidStr substringFromIndex:slashRange.location+1];
+		}
+		else
+		{
+			rawDomain = jidStr;
+		}
+	}
+	
+	NSString *prepUser = [XMPPStringPrep prepNode:rawUser];
+	NSString *prepDomain = [XMPPStringPrep prepDomain:rawDomain];
+	NSString *prepResource = [XMPPStringPrep prepResource:rawResource];
+	
+	if ([XMPPJID validateUser:prepUser domain:prepDomain resource:prepResource])
+	{
+		if(user)     *user = prepUser;
+		if(domain)   *domain = prepDomain;
+		if(resource) *resource = prepResource;
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
++ (XMPPJID *)jidWithString:(NSString *)jidStr
+{
+	NSString *user;
+	NSString *domain;
+	NSString *resource;
+	
+	if ([XMPPJID parse:jidStr outUser:&user outDomain:&domain outResource:&resource])
+	{
+		XMPPJID *jid = [[XMPPJID alloc] init];
+		jid->user = [user copy];
+		jid->domain = [domain copy];
+		jid->resource = [resource copy];
+		
+		return jid;
+	}
+	
+	return nil;
+}
+
++ (XMPPJID *)jidWithString:(NSString *)jidStr resource:(NSString *)resource
+{
+	NSString *prepResource = [XMPPStringPrep prepResource:resource];
+	if (![self validateResource:prepResource]) return nil;
+	
+	NSString *user;
+	NSString *domain;
+	
+	if ([XMPPJID parse:jidStr outUser:&user outDomain:&domain outResource:nil])
+	{
+		XMPPJID *jid = [[XMPPJID alloc] init];
+		jid->user = [user copy];
+		jid->domain = [domain copy];
+		jid->resource = [prepResource copy];
+		
+		return jid;
+	}
+	
+	return nil;
+}
+
++ (XMPPJID *)jidWithUser:(NSString *)user domain:(NSString *)domain resource:(NSString *)resource
+{
+	NSString *prepUser = [XMPPStringPrep prepNode:user];
+	NSString *prepDomain = [XMPPStringPrep prepDomain:domain];
+	NSString *prepResource = [XMPPStringPrep prepResource:resource];
+	
+	if ([XMPPJID validateUser:prepUser domain:prepDomain resource:prepResource])
+	{
+		XMPPJID *jid = [[XMPPJID alloc] init];
+		jid->user = [prepUser copy];
+		jid->domain = [prepDomain copy];
+		jid->resource = [prepResource copy];
+		
+		return jid;
+	}
+	
+	return nil;
+}
+
++ (XMPPJID *)jidWithPrevalidatedUser:(NSString *)user
+                  prevalidatedDomain:(NSString *)domain
+                prevalidatedResource:(NSString *)resource
+{
+	XMPPJID *jid = [[XMPPJID alloc] init];
+	jid->user = [user copy];
+	jid->domain = [domain copy];
+	jid->resource = [resource copy];
+	
+	return jid;
+}
+
++ (XMPPJID *)jidWithPrevalidatedUser:(NSString *)user
+                  prevalidatedDomain:(NSString *)domain
+                            resource:(NSString *)resource
+{
+	NSString *prepResource = [XMPPStringPrep prepResource:resource];
+	if (![self validateResource:prepResource]) return nil;
+	
+	XMPPJID *jid = [[XMPPJID alloc] init];
+	jid->user = [user copy];
+	jid->domain = [domain copy];
+	jid->resource = [prepResource copy];
+	
+	return jid;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding:
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if ([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                user     = [[coder decodeObjectOfClass:[NSString class] forKey:@"user"] copy];
+                domain   = [[coder decodeObjectOfClass:[NSString class] forKey:@"domain"] copy];
+                resource = [[coder decodeObjectOfClass:[NSString class] forKey:@"resource"] copy];
+            }
+            else
+            {
+                user     = [[coder decodeObjectForKey:@"user"] copy];
+                domain   = [[coder decodeObjectForKey:@"domain"] copy];
+                resource = [[coder decodeObjectForKey:@"resource"] copy];
+            }
+		}
+		else
+		{
+			user     = [[coder decodeObject] copy];
+			domain   = [[coder decodeObject] copy];
+			resource = [[coder decodeObject] copy];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:user     forKey:@"user"];
+		[coder encodeObject:domain   forKey:@"domain"];
+		[coder encodeObject:resource forKey:@"resource"];
+	}
+	else
+	{
+		[coder encodeObject:user];
+		[coder encodeObject:domain];
+		[coder encodeObject:resource];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying:
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// This class is immutable
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Normal Methods:
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// Why didn't we just synthesize these properties?
+// 
+// Since these variables are readonly within the class,
+// we want the synthesized methods to work like a nonatomic property.
+// In order to do this, we have to mark the properties as nonatomic in the header.
+// However we don't like marking the property as nonatomic in the header because
+// then people might think it's not thread-safe when in fact it is.
+
+- (NSString *)user
+{
+	return user; // Why didn't we just synthesize this? See comment above.
+}
+
+- (NSString *)domain
+{
+	return domain; // Why didn't we just synthesize this? See comment above.
+}
+
+- (NSString *)resource
+{
+	return resource; // Why didn't we just synthesize this? See comment above.
+}
+
+- (XMPPJID *)bareJID
+{
+	if (resource == nil)
+	{
+		return self;
+	}
+	else
+	{
+		return [XMPPJID jidWithPrevalidatedUser:user prevalidatedDomain:domain prevalidatedResource:nil];
+	}
+}
+
+- (XMPPJID *)domainJID
+{
+	if (user == nil && resource == nil)
+	{
+		return self;
+	}
+	else
+	{
+		return [XMPPJID jidWithPrevalidatedUser:nil prevalidatedDomain:domain prevalidatedResource:nil];
+	}
+}
+
+- (NSString *)bare
+{
+	if (user)
+		return [NSString stringWithFormat:@"%@@%@", user, domain];
+	else
+		return domain;
+}
+
+- (NSString *)full
+{
+	if (user)
+	{
+		if (resource)
+			return [NSString stringWithFormat:@"%@@%@/%@", user, domain, resource];
+		else
+			return [NSString stringWithFormat:@"%@@%@", user, domain];
+	}
+	else
+	{
+		if (resource)
+			return [NSString stringWithFormat:@"%@/%@", domain, resource];
+		else
+			return domain;
+	}
+}
+
+- (BOOL)isBare
+{
+	// From RFC 6120 Terminology:
+	// 
+	// The term "bare JID" refers to an XMPP address of the form <localpart@domainpart> (for an account at a server)
+	// or of the form <domainpart> (for a server).
+	
+	return (resource == nil);
+}
+
+- (BOOL)isBareWithUser
+{
+	return (user != nil && resource == nil);
+}
+
+- (BOOL)isFull
+{
+	// From RFC 6120 Terminology:
+	// 
+	// The term "full JID" refers to an XMPP address of the form
+	// <localpart@domainpart/resourcepart> (for a particular authorized client or device associated with an account)
+	// or of the form <domainpart/resourcepart> (for a particular resource or script associated with a server).
+	
+	return (resource != nil);
+}
+
+- (BOOL)isFullWithUser
+{
+	return (user != nil && resource != nil);
+}
+
+- (BOOL)isServer
+{
+	return (user == nil);
+}
+
+- (XMPPJID *)jidWithNewResource:(NSString *)newResource
+{
+	return [XMPPJID jidWithPrevalidatedUser:user prevalidatedDomain:domain resource:newResource];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods:
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	// We used to do this:
+	// return [[self full] hash];
+	//
+	// It was functional but less than optimal because it required the creation of a new NSString everytime.
+	// Now the hashing of a string itself is extremely fast,
+	// so combining 3 hashes is much faster than creating a new string.
+	// To accomplish this we use the murmur hashing algorithm.
+	// 
+	// MurmurHash2 was written by Austin Appleby, and is placed in the public domain.
+	// http://code.google.com/p/smhasher
+	
+	NSUInteger uhash = [user hash];
+	NSUInteger dhash = [domain hash];
+	NSUInteger rhash = [resource hash];
+	
+	if (NSUIntegerMax == UINT32_MAX) // Should be optimized out via compiler since these are constants
+	{
+		// MurmurHash2 (32-bit)
+		//
+		// uint32_t MurmurHash2 ( const void * key, int len, uint32_t seed )
+		// 
+		// Normally one would pass a chunk of data ('key') and associated data chunk length ('len').
+		// Instead we're going to use our 3 hashes.
+		// And we're going to randomly make up a 'seed'.
+		
+		const uint32_t seed = 0xa2f1b6f; // Some random value I made up
+		const uint32_t len = 12;         // 3 hashes, each 4 bytes = 12 bytes
+		
+		// 'm' and 'r' are mixing constants generated offline.
+		// They're not really 'magic', they just happen to work well.
+		
+		const uint32_t m = 0x5bd1e995;
+		const int r = 24;
+		
+		// Initialize the hash to a 'random' value
+		
+		uint32_t h = seed ^ len;
+		uint32_t k;
+		
+		// Mix uhash
+		
+		k = uhash;
+		
+		k *= m;
+		k ^= k >> r;
+		k *= m;
+		
+		h *= m;
+		h ^= k;
+		
+		// Mix dhash
+		
+		k = dhash;
+		
+		k *= m;
+		k ^= k >> r;
+		k *= m;
+		
+		h *= m;
+		h ^= k;
+		
+		// Mix rhash
+		
+		k = rhash;
+		
+		k *= m;
+		k ^= k >> r;
+		k *= m;
+		
+		h *= m;
+		h ^= k;
+		
+		// Do a few final mixes of the hash to ensure the last few
+		// bytes are well-incorporated.
+		
+		h ^= h >> 13;
+		h *= m;
+		h ^= h >> 15;
+		
+		return (NSUInteger)h;
+	}
+	else
+	{
+		// MurmurHash2 (64-bit)
+		// 
+		// uint64_t MurmurHash64A ( const void * key, int len, uint64_t seed )
+		// 
+		// Normally one would pass a chunk of data ('key') and associated data chunk length ('len').
+		// Instead we're going to use our 3 hashes.
+		// And we're going to randomly make up a 'seed'.
+		
+		const uint32_t seed = 0xa2f1b6f; // Some random value I made up
+		const uint32_t len = 24;         // 3 hashes, each 8 bytes = 24 bytes
+		
+		// 'm' and 'r' are mixing constants generated offline.
+		// They're not really 'magic', they just happen to work well.
+		
+		const uint64_t m = 0xc6a4a7935bd1e995LLU;
+		const int r = 47;
+		
+		// Initialize the hash to a 'random' value
+		
+		uint64_t h = seed ^ (len * m);
+		uint64_t k;
+		
+		// Mix uhash
+		
+		k = uhash;
+		
+		k *= m; 
+		k ^= k >> r; 
+		k *= m; 
+		
+		h ^= k;
+		h *= m;
+		
+		// Mix dhash
+		
+		k = dhash;
+		
+		k *= m; 
+		k ^= k >> r; 
+		k *= m; 
+		
+		h ^= k;
+		h *= m;
+		
+		// Mix rhash
+		
+		k = rhash;
+		
+		k *= m; 
+		k ^= k >> r; 
+		k *= m; 
+		
+		h ^= k;
+		h *= m;
+		
+		// Do a few final mixes of the hash to ensure the last few
+		// bytes are well-incorporated.
+		
+		h ^= h >> r;
+		h *= m;
+		h ^= h >> r;
+		
+		return (NSUInteger)h;
+	}
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if ([anObject isMemberOfClass:[self class]])
+	{
+		return [self isEqualToJID:(XMPPJID *)anObject options:XMPPJIDCompareFull];
+	}
+	return NO;
+}
+
+- (BOOL)isEqualToJID:(XMPPJID *)aJID
+{
+	return [self isEqualToJID:aJID options:XMPPJIDCompareFull];
+}
+
+- (BOOL)isEqualToJID:(XMPPJID *)aJID options:(XMPPJIDCompareOptions)mask
+{
+	if (aJID == nil) return NO;
+	
+	if (mask & XMPPJIDCompareUser)
+	{
+		if (user) {
+			if (![user isEqualToString:aJID->user]) return NO;
+		}
+		else {
+			if (aJID->user) return NO;
+		}
+	}
+	
+	if (mask & XMPPJIDCompareDomain)
+	{
+		if (domain) {
+			if (![domain isEqualToString:aJID->domain]) return NO;
+		}
+		else {
+			if (aJID->domain) return NO;
+		}
+	}
+	
+	if (mask & XMPPJIDCompareResource)
+	{
+		if (resource) {
+			if (![resource isEqualToString:aJID->resource]) return NO;
+		}
+		else {
+			if (aJID->resource) return NO;
+		}
+	}
+	
+	return YES;
+}
+
+- (NSString *)description
+{
+	return [self full];
+}
+
+
+@end
diff --git a/Core/XMPPLogging.h b/Core/XMPPLogging.h
new file mode 100644
index 0000000..975ee67
--- /dev/null
+++ b/Core/XMPPLogging.h
@@ -0,0 +1,191 @@
+/**
+ * In order to provide fast and flexible logging, this project uses Cocoa Lumberjack.
+ * 
+ * The GitHub project page has a wealth of documentation if you have any questions.
+ * https://github.com/robbiehanson/CocoaLumberjack
+ * 
+ * Here's what you need to know concerning how logging is setup for XMPPFramework:
+ * 
+ * There are 4 log levels:
+ * - Error
+ * - Warning
+ * - Info
+ * - Verbose
+ * 
+ * In addition to this, there is a Trace flag that can be enabled.
+ * When tracing is enabled, it spits out the methods that are being called.
+ * 
+ * Please note that tracing is separate from the log levels.
+ * For example, one could set the log level to warning, and enable tracing.
+ * 
+ * All logging is asynchronous, except errors.
+ * To use logging within your own custom files, follow the steps below.
+ * 
+ * Step 1:
+ * Import this header in your implementation file:
+ * 
+ * #import "XMPPLogging.h"
+ * 
+ * Step 2:
+ * Define your logging level in your implementation file:
+ * 
+ * // Log levels: off, error, warn, info, verbose
+ * static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE;
+ * 
+ * If you wish to enable tracing, you could do something like this:
+ * 
+ * // Log levels: off, error, warn, info, verbose
+ * static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO | XMPP_LOG_FLAG_TRACE;
+ * 
+ * Step 3:
+ * Replace your NSLog statements with XMPPLog statements according to the severity of the message.
+ * 
+ * NSLog(@"Fatal error, no dohickey found!"); -> XMPPLogError(@"Fatal error, no dohickey found!");
+ * 
+ * XMPPLog has the same syntax as NSLog.
+ * This means you can pass it multiple variables just like NSLog.
+ * 
+ * You may optionally choose to define different log levels for debug and release builds.
+ * You can do so like this:
+ * 
+ * // Log levels: off, error, warn, info, verbose
+ * #if DEBUG
+ *   static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE;
+ * #else
+ *   static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+ * #endif
+ * 
+ * Xcode projects created with Xcode 4 automatically define DEBUG via the project's preprocessor macros.
+ * If you created your project with a previous version of Xcode, you may need to add the DEBUG macro manually.
+**/
+
+#import "CocoaLumberJack/DDLog.h"
+
+// Global flag to enable/disable logging throughout the entire xmpp framework.
+
+#ifndef XMPP_LOGGING_ENABLED
+#define XMPP_LOGGING_ENABLED 1
+#endif
+
+// Define logging context for every log message coming from the XMPP framework.
+// The logging context can be extracted from the DDLogMessage from within the logging framework.
+// This gives loggers, formatters, and filters the ability to optionally process them differently.
+
+#define XMPP_LOG_CONTEXT 5222
+
+// Configure log levels.
+
+#define XMPP_LOG_FLAG_ERROR   (1 << 0) // 0...00001
+#define XMPP_LOG_FLAG_WARN    (1 << 1) // 0...00010
+#define XMPP_LOG_FLAG_INFO    (1 << 2) // 0...00100
+#define XMPP_LOG_FLAG_VERBOSE (1 << 3) // 0...01000
+
+#define XMPP_LOG_LEVEL_OFF     0                                              // 0...00000
+#define XMPP_LOG_LEVEL_ERROR   (XMPP_LOG_LEVEL_OFF   | XMPP_LOG_FLAG_ERROR)   // 0...00001
+#define XMPP_LOG_LEVEL_WARN    (XMPP_LOG_LEVEL_ERROR | XMPP_LOG_FLAG_WARN)    // 0...00011
+#define XMPP_LOG_LEVEL_INFO    (XMPP_LOG_LEVEL_WARN  | XMPP_LOG_FLAG_INFO)    // 0...00111
+#define XMPP_LOG_LEVEL_VERBOSE (XMPP_LOG_LEVEL_INFO  | XMPP_LOG_FLAG_VERBOSE) // 0...01111
+
+// Setup fine grained logging.
+// The first 4 bits are being used by the standard log levels (0 - 3)
+// 
+// We're going to add tracing, but NOT as a log level.
+// Tracing can be turned on and off independently of log level.
+
+#define XMPP_LOG_FLAG_TRACE     (1 << 4) // 0...10000
+
+// Setup the usual boolean macros.
+
+#define XMPP_LOG_ERROR   (xmppLogLevel & XMPP_LOG_FLAG_ERROR)
+#define XMPP_LOG_WARN    (xmppLogLevel & XMPP_LOG_FLAG_WARN)
+#define XMPP_LOG_INFO    (xmppLogLevel & XMPP_LOG_FLAG_INFO)
+#define XMPP_LOG_VERBOSE (xmppLogLevel & XMPP_LOG_FLAG_VERBOSE)
+#define XMPP_LOG_TRACE   (xmppLogLevel & XMPP_LOG_FLAG_TRACE)
+
+// Configure asynchronous logging.
+// We follow the default configuration,
+// but we reserve a special macro to easily disable asynchronous logging for debugging purposes.
+
+#if DEBUG
+#define XMPP_LOG_ASYNC_ENABLED  NO
+#else
+#define XMPP_LOG_ASYNC_ENABLED  YES
+#endif
+
+#define XMPP_LOG_ASYNC_ERROR     ( NO && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_WARN      (YES && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_INFO      (YES && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_VERBOSE   (YES && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_TRACE     (YES && XMPP_LOG_ASYNC_ENABLED)
+
+// Define logging primitives.
+// These are primarily wrappers around the macros defined in Lumberjack's DDLog.h header file.
+
+#define XMPP_LOG_OBJC_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+    do{ if(XMPP_LOGGING_ENABLED) LOG_MAYBE(async, lvl, flg, ctx, sel_getName(_cmd), frmt, ##__VA_ARGS__); } while(0)
+
+#define XMPP_LOG_C_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+    do{ if(XMPP_LOGGING_ENABLED) LOG_MAYBE(async, lvl, flg, ctx, __FUNCTION__, frmt, ##__VA_ARGS__); } while(0)
+
+
+#define XMPPLogError(frmt, ...)    XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_ERROR,   xmppLogLevel, XMPP_LOG_FLAG_ERROR,  \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogWarn(frmt, ...)     XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_WARN,    xmppLogLevel, XMPP_LOG_FLAG_WARN,   \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogInfo(frmt, ...)     XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_INFO,    xmppLogLevel, XMPP_LOG_FLAG_INFO,    \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogVerbose(frmt, ...)  XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_VERBOSE, xmppLogLevel, XMPP_LOG_FLAG_VERBOSE, \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogTrace()             XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_TRACE,   xmppLogLevel, XMPP_LOG_FLAG_TRACE, \
+                                                  XMPP_LOG_CONTEXT, @"%@: %@", THIS_FILE, THIS_METHOD)
+
+#define XMPPLogTrace2(frmt, ...)   XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_TRACE,   xmppLogLevel, XMPP_LOG_FLAG_TRACE, \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+
+#define XMPPLogCError(frmt, ...)      XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_ERROR,   xmppLogLevel, XMPP_LOG_FLAG_ERROR,   \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogCWarn(frmt, ...)       XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_WARN,    xmppLogLevel, XMPP_LOG_FLAG_WARN,    \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogCInfo(frmt, ...)       XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_INFO,    xmppLogLevel, XMPP_LOG_FLAG_INFO,    \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogCVerbose(frmt, ...)    XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_VERBOSE, xmppLogLevel, XMPP_LOG_FLAG_VERBOSE, \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+#define XMPPLogCTrace()               XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_TRACE,   xmppLogLevel, XMPP_LOG_FLAG_TRACE, \
+                                                  XMPP_LOG_CONTEXT, @"%@: %s", THIS_FILE, __FUNCTION__)
+
+#define XMPPLogCTrace2(frmt, ...)     XMPP_LOG_C_MAYBE(XMPP_LOG_ASYNC_TRACE,   xmppLogLevel, XMPP_LOG_FLAG_TRACE, \
+                                                  XMPP_LOG_CONTEXT, frmt, ##__VA_ARGS__)
+
+// Setup logging for XMPPStream (and subclasses such as XMPPStreamFacebook)
+
+#define XMPP_LOG_FLAG_SEND      (1 << 5)
+#define XMPP_LOG_FLAG_RECV_PRE  (1 << 6) // Prints data before it goes to the parser
+#define XMPP_LOG_FLAG_RECV_POST (1 << 7) // Prints data as it comes out of the parser
+
+#define XMPP_LOG_FLAG_SEND_RECV (XMPP_LOG_FLAG_SEND | XMPP_LOG_FLAG_RECV_POST)
+
+#define XMPP_LOG_SEND      (xmppLogLevel & XMPP_LOG_FLAG_SEND)
+#define XMPP_LOG_RECV_PRE  (xmppLogLevel & XMPP_LOG_FLAG_RECV_PRE)
+#define XMPP_LOG_RECV_POST (xmppLogLevel & XMPP_LOG_FLAG_RECV_POST)
+
+#define XMPP_LOG_ASYNC_SEND      (YES && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_RECV_PRE  (YES && XMPP_LOG_ASYNC_ENABLED)
+#define XMPP_LOG_ASYNC_RECV_POST (YES && XMPP_LOG_ASYNC_ENABLED)
+
+#define XMPPLogSend(format, ...)     XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_SEND, xmppLogLevel, \
+                                                XMPP_LOG_FLAG_SEND, XMPP_LOG_CONTEXT, format, ##__VA_ARGS__)
+
+#define XMPPLogRecvPre(format, ...)  XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_RECV_PRE, xmppLogLevel, \
+                                                XMPP_LOG_FLAG_RECV_PRE, XMPP_LOG_CONTEXT, format, ##__VA_ARGS__)
+
+#define XMPPLogRecvPost(format, ...) XMPP_LOG_OBJC_MAYBE(XMPP_LOG_ASYNC_RECV_POST, xmppLogLevel, \
+                                                XMPP_LOG_FLAG_RECV_POST, XMPP_LOG_CONTEXT, format, ##__VA_ARGS__)
diff --git a/Core/XMPPMessage.h b/Core/XMPPMessage.h
new file mode 100644
index 0000000..f34e6d3
--- /dev/null
+++ b/Core/XMPPMessage.h
@@ -0,0 +1,55 @@
+#import <Foundation/Foundation.h>
+#import "XMPPElement.h"
+
+/**
+ * The XMPPMessage class represents a <message> element.
+ * It extends XMPPElement, which in turn extends NSXMLElement.
+ * All <message> elements that go in and out of the
+ * xmpp stream will automatically be converted to XMPPMessage objects.
+ * 
+ * This class exists to provide developers an easy way to add functionality to message processing.
+ * Simply add your own category to XMPPMessage to extend it with your own custom methods.
+**/
+
+@interface XMPPMessage : XMPPElement
+
+// Converts an NSXMLElement to an XMPPMessage element in place (no memory allocations or copying)
++ (XMPPMessage *)messageFromElement:(NSXMLElement *)element;
+
++ (XMPPMessage *)message;
++ (XMPPMessage *)messageWithType:(NSString *)type;
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)to;
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid;
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement;
++ (XMPPMessage *)messageWithType:(NSString *)type elementID:(NSString *)eid;
++ (XMPPMessage *)messageWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement;
++ (XMPPMessage *)messageWithType:(NSString *)type child:(NSXMLElement *)childElement;
+
+- (id)init;
+- (id)initWithType:(NSString *)type;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)to;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement;
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid;
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement;
+- (id)initWithType:(NSString *)type child:(NSXMLElement *)childElement;
+
+- (NSString *)type;
+- (NSString *)subject;
+- (NSString *)body;
+- (NSString *)bodyForLanguage:(NSString *)language;
+- (NSString *)thread;
+
+- (void)addSubject:(NSString *)subject;
+- (void)addBody:(NSString *)body;
+- (void)addBody:(NSString *)body withLanguage:(NSString *)language;
+- (void)addThread:(NSString *)thread;
+
+- (BOOL)isChatMessage;
+- (BOOL)isChatMessageWithBody;
+- (BOOL)isErrorMessage;
+- (BOOL)isMessageWithBody;
+
+- (NSError *)errorMessage;
+
+@end
diff --git a/Core/XMPPMessage.m b/Core/XMPPMessage.m
new file mode 100644
index 0000000..2a44aea
--- /dev/null
+++ b/Core/XMPPMessage.m
@@ -0,0 +1,267 @@
+#import "XMPPMessage.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPMessage
+
+#if DEBUG
+
++ (void)initialize
+{
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	//
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	//
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPMessage class]);
+	
+	if (superSize != ourSize)
+	{
+		NSLog(@"Adding instance variables to XMPPMessage is not currently supported!");
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPMessage *)messageFromElement:(NSXMLElement *)element
+{
+	object_setClass(element, [XMPPMessage class]);
+	
+	return (XMPPMessage *)element;
+}
+
++ (XMPPMessage *)message
+{
+	return [[XMPPMessage alloc] init];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type
+{
+	return [[XMPPMessage alloc] initWithType:type to:nil];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)to
+{
+	return [[XMPPMessage alloc] initWithType:type to:to];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid
+{
+	return [[XMPPMessage alloc] initWithType:type to:jid elementID:eid];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [[XMPPMessage alloc] initWithType:type to:jid elementID:eid child:childElement];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type elementID:(NSString *)eid
+{
+	return [[XMPPMessage alloc] initWithType:type elementID:eid];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [[XMPPMessage alloc] initWithType:type elementID:eid child:childElement];
+}
+
++ (XMPPMessage *)messageWithType:(NSString *)type child:(NSXMLElement *)childElement
+{
+	return [[XMPPMessage alloc] initWithType:type child:childElement];
+}
+
+- (id)init
+{
+	return [self initWithType:nil to:nil elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type
+{
+	return [self initWithType:type to:nil elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid
+{
+	return [self initWithType:type to:jid elementID:nil child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid
+{
+	return [self initWithType:type to:jid elementID:eid child:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)jid elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	if ((self = [super initWithName:@"message"]))
+	{
+		if (type)
+			[self addAttributeWithName:@"type" stringValue:type];
+		
+		if (jid)
+			[self addAttributeWithName:@"to" stringValue:[jid full]];
+		
+		if (eid)
+			[self addAttributeWithName:@"id" stringValue:eid];
+		
+		if (childElement)
+			[self addChild:childElement];
+	}
+	return self;
+}
+
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid
+{
+	return [self initWithType:type to:nil elementID:eid child:nil];
+}
+
+- (id)initWithType:(NSString *)type elementID:(NSString *)eid child:(NSXMLElement *)childElement
+{
+	return [self initWithType:type to:nil elementID:eid child:childElement];
+}
+
+- (id)initWithType:(NSString *)type child:(NSXMLElement *)childElement
+{
+	return [self initWithType:type to:nil elementID:nil child:childElement];
+}
+
+- (id)initWithXMLString:(NSString *)string error:(NSError *__autoreleasing *)error
+{
+	if((self = [super initWithXMLString:string error:error])){
+		self = [XMPPMessage messageFromElement:self];
+	}
+	return self;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+    NSXMLElement *element = [super copyWithZone:zone];
+    return [XMPPMessage messageFromElement:element];
+}
+
+- (NSString *)type
+{
+    return [[self attributeForName:@"type"] stringValue];
+}
+
+- (NSString *)subject
+{
+	return [[self elementForName:@"subject"] stringValue];
+}
+
+- (NSString *)body
+{
+	return [[self elementForName:@"body"] stringValue];
+}
+
+- (NSString *)bodyForLanguage:(NSString *)language
+{
+    NSString *bodyForLanguage = nil;
+    
+    for (NSXMLElement *bodyElement in [self elementsForName:@"body"])
+    {
+        NSString *lang = [[bodyElement attributeForName:@"xml:lang"] stringValue];
+        
+        // Openfire strips off the xml prefix
+        if (lang == nil)
+        {
+            lang = [[bodyElement attributeForName:@"lang"] stringValue];
+        }
+        
+        if ([language isEqualToString:lang] || ([language length] == 0  && [lang length] == 0))
+        {
+            bodyForLanguage = [bodyElement stringValue];
+            break;
+        }
+    }
+    
+    return bodyForLanguage;
+}
+
+- (NSString *)thread
+{
+	return [[self elementForName:@"thread"] stringValue];
+}
+
+- (void)addSubject:(NSString *)subject
+{
+    NSXMLElement *subjectElement = [NSXMLElement elementWithName:@"subject" stringValue:subject];
+    [self addChild:subjectElement];
+}
+
+- (void)addBody:(NSString *)body
+{
+    NSXMLElement *bodyElement = [NSXMLElement elementWithName:@"body" stringValue:body];
+    [self addChild:bodyElement];
+}
+
+- (void)addBody:(NSString *)body withLanguage:(NSString *)language
+{
+    NSXMLElement *bodyElement = [NSXMLElement elementWithName:@"body" stringValue:body];
+    
+    if ([language length])
+    {
+        [bodyElement addAttributeWithName:@"xml:lang" stringValue:language];
+    }
+    
+    [self addChild:bodyElement];
+}
+
+- (void)addThread:(NSString *)thread
+{
+    NSXMLElement *threadElement = [NSXMLElement elementWithName:@"thread" stringValue:thread];
+    [self addChild:threadElement];
+}
+
+- (BOOL)isChatMessage
+{
+	return [[[self attributeForName:@"type"] stringValue] isEqualToString:@"chat"];
+}
+
+- (BOOL)isChatMessageWithBody
+{
+	if ([self isChatMessage])
+	{
+		return [self isMessageWithBody];
+	}
+	
+	return NO;
+}
+
+- (BOOL)isErrorMessage
+{
+    return [[[self attributeForName:@"type"] stringValue] isEqualToString:@"error"];
+}
+
+- (NSError *)errorMessage
+{
+    if (![self isErrorMessage]) {
+        return nil;
+    }
+    
+    NSXMLElement *error = [self elementForName:@"error"];
+    return [NSError errorWithDomain:@"urn:ietf:params:xml:ns:xmpp-stanzas"
+                               code:[error attributeIntValueForName:@"code"]
+                           userInfo:@{NSLocalizedDescriptionKey : [error compactXMLString]}];
+    
+}
+
+- (BOOL)isMessageWithBody
+{
+	return ([self elementForName:@"body"] != nil);
+}
+
+@end
diff --git a/Core/XMPPModule.h b/Core/XMPPModule.h
new file mode 100644
index 0000000..73af16c
--- /dev/null
+++ b/Core/XMPPModule.h
@@ -0,0 +1,43 @@
+#import <Foundation/Foundation.h>
+#import "GCDMulticastDelegate.h"
+
+@class XMPPStream;
+
+/**
+ * XMPPModule is the base class that all extensions/modules inherit.
+ * They automatically get:
+ * 
+ * - A dispatch queue.
+ * - A multicast delegate that automatically invokes added delegates.
+ * 
+ * The module also automatically registers/unregisters itself with the
+ * xmpp stream during the activate/deactive methods.
+**/
+@interface XMPPModule : NSObject
+{
+	XMPPStream *xmppStream;
+
+	dispatch_queue_t moduleQueue;
+	void *moduleQueueTag;
+	
+	id multicastDelegate;
+}
+
+@property (readonly) dispatch_queue_t moduleQueue;
+@property (readonly) void *moduleQueueTag;
+
+@property (strong, readonly) XMPPStream *xmppStream;
+
+- (id)init;
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue;
+
+- (BOOL)activate:(XMPPStream *)aXmppStream;
+- (void)deactivate;
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate;
+
+- (NSString *)moduleName;
+
+@end
diff --git a/Core/XMPPModule.m b/Core/XMPPModule.m
new file mode 100644
index 0000000..24ba9d3
--- /dev/null
+++ b/Core/XMPPModule.m
@@ -0,0 +1,224 @@
+#import "XMPPModule.h"
+#import "XMPPStream.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPModule
+
+/**
+ * Standard init method.
+**/
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+/**
+ * Designated initializer.
+**/
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super init]))
+	{
+		if (queue)
+		{
+			moduleQueue = queue;
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(moduleQueue);
+			#endif
+		}
+		else
+		{
+			const char *moduleQueueName = [[self moduleName] UTF8String];
+			moduleQueue = dispatch_queue_create(moduleQueueName, NULL);
+		}
+		
+		moduleQueueTag = &moduleQueueTag;
+		dispatch_queue_set_specific(moduleQueue, moduleQueueTag, moduleQueueTag, NULL);
+		
+		multicastDelegate = [[GCDMulticastDelegate alloc] init];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	dispatch_release(moduleQueue);
+	#endif
+}
+
+/**
+ * The activate method is the point at which the module gets plugged into the xmpp stream.
+ *
+ * It is recommended that subclasses override didActivate, instead of this method,
+ * to perform any custom actions upon activation.
+**/
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	__block BOOL result = YES;
+	
+	dispatch_block_t block = ^{
+		
+		if (xmppStream != nil)
+		{
+			result = NO;
+		}
+		else
+		{
+			xmppStream = aXmppStream;
+			
+			[xmppStream addDelegate:self delegateQueue:moduleQueue];
+			[xmppStream registerModule:self];
+			
+			[self didActivate];
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+/**
+ * It is recommended that subclasses override this method (instead of activate:)
+ * to perform tasks after the module has been activated.
+ * 
+ * This method is only invoked if the module is successfully activated.
+ * This method is always invoked on the moduleQueue.
+**/
+- (void)didActivate
+{
+	// Override me to do custom work after the module is activated
+}
+
+/**
+ * The deactivate method unplugs a module from the xmpp stream.
+ * When this method returns, no further delegate methods on this module will be dispatched.
+ * However, there may be delegate methods that have already been dispatched.
+ * If this is the case, the module will be properly retained until the delegate methods have completed.
+ * If your custom module requires that delegate methods are not run after the deactivate method has been run,
+ * then simply check the xmppStream variable in your delegate methods.
+ *
+ * It is recommended that subclasses override didDeactivate, instead of this method,
+ * to perform any custom actions upon deactivation.
+**/
+- (void)deactivate
+{
+	dispatch_block_t block = ^{
+		
+		if (xmppStream)
+		{
+			[self willDeactivate];
+			
+			[xmppStream removeDelegate:self delegateQueue:moduleQueue];
+			[xmppStream unregisterModule:self];
+			
+			xmppStream = nil;
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+/**
+ * It is recommended that subclasses override this method (instead of deactivate:)
+ * to perform tasks after the module has been deactivated.
+ *
+ * This method is only invoked if the module is transitioning from activated to deactivated.
+ * This method is always invoked on the moduleQueue.
+**/
+- (void)willDeactivate
+{
+	// Override me to do custom work after the module is deactivated
+}
+
+- (dispatch_queue_t)moduleQueue
+{
+	return moduleQueue;
+}
+
+- (void *)moduleQueueTag
+{
+	return moduleQueueTag;
+}
+
+- (XMPPStream *)xmppStream
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return xmppStream;
+	}
+	else
+	{
+		__block XMPPStream *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = xmppStream;
+		});
+		
+		return result;
+	}
+}
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	// Asynchronous operation (if outside xmppQueue)
+	
+	dispatch_block_t block = ^{
+		[multicastDelegate addDelegate:delegate delegateQueue:delegateQueue];
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue synchronously:(BOOL)synchronously
+{
+	dispatch_block_t block = ^{
+		[multicastDelegate removeDelegate:delegate delegateQueue:delegateQueue];
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else if (synchronously)
+		dispatch_sync(moduleQueue, block);
+	else
+		dispatch_async(moduleQueue, block);
+	
+}
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	// Synchronous operation (common-case default)
+	
+	[self removeDelegate:delegate delegateQueue:delegateQueue synchronously:YES];
+}
+
+- (void)removeDelegate:(id)delegate
+{
+	// Synchronous operation (common-case default)
+	
+	[self removeDelegate:delegate delegateQueue:NULL synchronously:YES];
+}
+
+- (NSString *)moduleName
+{
+	// Override me (if needed) to provide a customized module name.
+	// This name is used as the name of the dispatch_queue which could aid in debugging.
+	
+	return NSStringFromClass([self class]);
+}
+
+@end
diff --git a/Core/XMPPParser.h b/Core/XMPPParser.h
new file mode 100644
index 0000000..cff2587
--- /dev/null
+++ b/Core/XMPPParser.h
@@ -0,0 +1,40 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+
+@interface XMPPParser : NSObject
+
+- (id)initWithDelegate:(id)delegate delegateQueue:(dispatch_queue_t)dq;
+- (id)initWithDelegate:(id)delegate delegateQueue:(dispatch_queue_t)dq parserQueue:(dispatch_queue_t)pq;
+
+- (void)setDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+
+/**
+ * Asynchronously parses the given data.
+ * The delegate methods will be dispatch_async'd as events occur.
+**/
+- (void)parseData:(NSData *)data;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPParserDelegate
+@optional
+
+- (void)xmppParser:(XMPPParser *)sender didReadRoot:(NSXMLElement *)root;
+
+- (void)xmppParser:(XMPPParser *)sender didReadElement:(NSXMLElement *)element;
+
+- (void)xmppParserDidEnd:(XMPPParser *)sender;
+
+- (void)xmppParser:(XMPPParser *)sender didFail:(NSError *)error;
+
+- (void)xmppParserDidParseData:(XMPPParser *)sender;
+
+@end
diff --git a/Core/XMPPParser.m b/Core/XMPPParser.m
new file mode 100644
index 0000000..692da86
--- /dev/null
+++ b/Core/XMPPParser.m
@@ -0,0 +1,850 @@
+#import "XMPPParser.h"
+#import "XMPPLogging.h"
+#import <libxml/parser.h>
+#import <libxml/parserInternals.h>
+
+#if TARGET_OS_IPHONE
+  #import "DDXMLPrivate.h"
+#endif
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+#define CHECK_FOR_NULL(value)                       \
+    do {                                            \
+        if (value == NULL) {                        \
+            xmpp_xmlAbortDueToMemoryShortage(ctxt); \
+            return;                                 \
+        }                                           \
+    } while(false)
+
+#if !TARGET_OS_IPHONE
+  static void xmpp_recursiveAddChild(NSXMLElement *parent, xmlNodePtr childNode);
+#endif
+
+@implementation XMPPParser
+{
+	#if __has_feature(objc_arc_weak)
+	__weak id delegate;
+	#else
+	__unsafe_unretained id delegate;
+	#endif
+	dispatch_queue_t delegateQueue;
+	
+	dispatch_queue_t parserQueue;
+	void *xmppParserQueueTag;
+	
+	BOOL hasReportedRoot;
+	unsigned depth;
+	
+	xmlParserCtxt *parserCtxt;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark iPhone
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_OS_IPHONE
+
+static void xmpp_onDidReadRoot(XMPPParser *parser, xmlNodePtr root)
+{
+	if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParser:didReadRoot:)])
+	{
+		// We first copy the root node.
+		// We do this to allow the delegate to retain and make changes to the reported root
+		// without affecting the underlying xmpp parser.
+		
+		// xmlCopyNode(const xmlNodePtr node, int extended)
+		// 
+		// node:
+		//   the node to copy
+		// extended:
+		//   if 1 do a recursive copy (properties, namespaces and children when applicable)
+		//   if 2 copy properties and namespaces (when applicable)
+		
+		xmlNodePtr rootCopy = xmlCopyNode(root, 2);
+		DDXMLElement *rootCopyWrapper = [DDXMLElement nodeWithElementPrimitive:rootCopy owner:nil];
+		
+		__strong id theDelegate = parser->delegate;
+		
+		dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate xmppParser:parser didReadRoot:rootCopyWrapper];
+		}});
+
+		// Note: DDXMLElement will properly free the rootCopy when it's deallocated.
+	}
+}
+
+static void xmpp_onDidReadElement(XMPPParser *parser, xmlNodePtr child)
+{
+	// Detach the child from the xml tree.
+	// 
+	// clean: Nullify next, prev, parent and doc pointers of child.
+	// fixNamespaces: Recurse through subtree, and ensure no namespaces are pointing to xmlNs nodes outside the tree.
+	//                E.G. in a parent node that will no longer be available after the child is detached.
+	// 
+	// We don't need to fix namespaces since we used xmpp_xmlSearchNs() to ensure we never created any
+	// namespaces outside the subtree of the child in the first place.
+	
+	[DDXMLNode detachChild:child andClean:YES andFixNamespaces:NO];
+	
+	DDXMLElement *childWrapper = [DDXMLElement nodeWithElementPrimitive:child owner:nil];
+	
+	// Note: We want to detach the child from the root even if the delegate method isn't setup.
+	// This prevents the doc from growing infinitely large.
+	
+	if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParser:didReadElement:)])
+	{
+		__strong id theDelegate = parser->delegate;
+		
+		dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate xmppParser:parser didReadElement:childWrapper];
+		}});
+	}
+	
+	// Note: DDXMLElement will properly free the child when it's deallocated.
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Mac
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#else
+
+static void xmpp_setName(NSXMLElement *element, xmlNodePtr node)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	if (node->name == NULL)
+	{
+		[element setName:@""];
+		return;
+	}
+	
+	if ((node->ns != NULL) && (node->ns->prefix != NULL))
+	{
+		// E.g: <deusty:element xmlns:deusty="deusty.com"/>
+		
+		NSString *prefix = [[NSString alloc] initWithUTF8String:(const char *)node->ns->prefix];
+		NSString *name   = [[NSString alloc] initWithUTF8String:(const char *)node->name];
+		
+		NSString *elementName = [[NSString alloc] initWithFormat:@"%@:%@", prefix, name];
+		[element setName:elementName];
+		
+	}
+	else
+	{
+		NSString *elementName = [[NSString alloc] initWithUTF8String:(const char *)node->name];
+		[element setName:elementName];
+	}
+}
+
+static void xmpp_addNamespaces(NSXMLElement *element, xmlNodePtr node)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	xmlNsPtr nsNode = node->nsDef;
+	while (nsNode != NULL)
+	{
+		if (nsNode->href == NULL)
+		{
+			// Namespace doesn't have a value!
+		}
+		else
+		{
+			NSXMLNode *ns = [[NSXMLNode alloc] initWithKind:NSXMLNamespaceKind];
+			
+			if (nsNode->prefix != NULL)
+			{
+				NSString *nsName = [[NSString alloc] initWithUTF8String:(const char *)nsNode->prefix];
+				[ns setName:nsName];
+			}
+			else
+			{
+				// Default namespace.
+				// E.g: xmlns="deusty.com"
+				
+				[ns setName:@""];
+			}
+			
+			NSString *nsValue = [[NSString alloc] initWithUTF8String:(const char *)nsNode->href];
+			[ns setStringValue:nsValue];
+			
+			[element addNamespace:ns];
+		}
+		
+		nsNode = nsNode->next;
+	}
+}
+
+static void xmpp_addChildren(NSXMLElement *element, xmlNodePtr node)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	xmlNodePtr childNode = node->children;
+	while (childNode != NULL)
+	{
+		if (childNode->type == XML_ELEMENT_NODE)
+		{
+			xmpp_recursiveAddChild(element, childNode);
+		}
+		else if (childNode->type == XML_TEXT_NODE)
+		{
+			if (childNode->content != NULL)
+			{
+				NSString *value = [[NSString alloc] initWithUTF8String:(const char *)childNode->content];
+				[element setStringValue:value];
+			}
+		}
+		
+		childNode = childNode->next;
+	}
+}
+
+static void xmpp_addAttributes(NSXMLElement *element, xmlNodePtr node)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	xmlAttrPtr attrNode = node->properties;
+	while (attrNode != NULL)
+	{
+		if (attrNode->name == NULL)
+		{
+			// Attribute doesn't have a name!
+		}
+		else if (attrNode->children == NULL)
+		{
+			// Attribute doesn't have a value node!
+		}
+		else if (attrNode->children->content == NULL)
+		{
+			// Attribute doesn't have a value!
+		}
+		else
+		{
+			NSXMLNode *attr = [[NSXMLNode alloc] initWithKind:NSXMLAttributeKind];
+			
+			if ((attrNode->ns != NULL) && (attrNode->ns->prefix != NULL))
+			{
+				// E.g: <element xmlns:deusty="deusty.com" deusty:attr="value"/>
+				
+				NSString *prefix = [[NSString alloc] initWithUTF8String:(const char *)attrNode->ns->prefix];
+				NSString *name   = [[NSString alloc] initWithUTF8String:(const char *)attrNode->name];
+				
+				NSString *attrName = [[NSString alloc] initWithFormat:@"%@:%@", prefix, name];
+				[attr setName:attrName];
+				
+			}
+			else
+			{
+				NSString *attrName = [[NSString alloc] initWithUTF8String:(const char *)attrNode->name];
+				[attr setName:attrName];
+			}
+			
+			NSString *attrValue = [[NSString alloc] initWithUTF8String:(const char *)attrNode->children->content];
+			[attr setStringValue:attrValue];
+			
+			[element addAttribute:attr];
+		}
+		
+		attrNode = attrNode->next;
+	}
+}
+
+/**
+ * Recursively adds all the child elements to the given parent.
+ * 
+ * Note: This method is almost the same as xmpp_nsxmlFromLibxml, with one important difference.
+ * It doen't add any objects to the autorelease pool (xmpp_nsxmlFromLibXml has return value).
+**/
+static void xmpp_recursiveAddChild(NSXMLElement *parent, xmlNodePtr childNode)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	NSXMLElement *child = [[NSXMLElement alloc] initWithKind:NSXMLElementKind];
+	
+	xmpp_setName(child, childNode);
+	
+	xmpp_addNamespaces(child, childNode);
+	
+	xmpp_addChildren(child, childNode);
+	xmpp_addAttributes(child, childNode);
+	
+	[parent addChild:child];
+}
+
+/**
+ * Creates and returns an NSXMLElement from the given node.
+ * Use this method after finding the root element, or root.child element.
+**/
+static NSXMLElement* xmpp_nsxmlFromLibxml(xmlNodePtr rootNode)
+{
+	// Remember: The NSString initWithUTF8String raises an exception if passed NULL
+	
+	NSXMLElement *root = [[NSXMLElement alloc] initWithKind:NSXMLElementKind];
+	
+	xmpp_setName(root, rootNode);
+	
+	xmpp_addNamespaces(root, rootNode);
+	
+	xmpp_addChildren(root, rootNode);
+	xmpp_addAttributes(root, rootNode);
+	
+	return root;
+}
+
+static void xmpp_onDidReadRoot(XMPPParser *parser, xmlNodePtr root)
+{
+	if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParser:didReadRoot:)])
+	{
+		NSXMLElement *nsRoot = xmpp_nsxmlFromLibxml(root);
+		
+		__strong id theDelegate = parser->delegate;
+		
+		dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate xmppParser:parser didReadRoot:nsRoot];
+		}});
+	}
+}
+
+static void xmpp_onDidReadElement(XMPPParser *parser, xmlNodePtr child)
+{
+	if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParser:didReadElement:)])
+	{
+		NSXMLElement *nsChild = xmpp_nsxmlFromLibxml(child);
+		
+		__strong id theDelegate = parser->delegate;
+		
+		dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+		
+			[theDelegate xmppParser:parser didReadElement:nsChild];
+		}});
+	}
+	
+	// Note: We want to detach the child from the root even if the delegate method isn't setup.
+	// This prevents the doc from growing infinitely large.
+	
+	// Detach and free child to keep memory footprint small
+	xmlUnlinkNode(child);
+	xmlFreeNode(child);
+}
+
+#endif
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Common
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method is called at the end of the xmlStartElement method.
+ * This allows us to inspect the parser and xml tree, and determine if we need to invoke any delegate methods.
+**/
+static void xmpp_postStartElement(xmlParserCtxt *ctxt)
+{
+	XMPPParser *parser = (__bridge XMPPParser *)ctxt->_private;
+	parser->depth++;
+	
+	if (!(parser->hasReportedRoot) && (parser->depth == 1))
+	{
+		// We've received the full root - report it to the delegate
+		
+		if (ctxt->myDoc)
+		{
+			xmlNodePtr root = xmlDocGetRootElement(ctxt->myDoc);
+			if (root)
+			{
+				xmpp_onDidReadRoot(parser, root);
+				
+				parser->hasReportedRoot = YES;
+			}
+		}
+	}
+}
+
+/**
+ * This method is called at the end of the xmlEndElement method.
+ * This allows us to inspect the parser and xml tree, and determine if we need to invoke any delegate methods.
+**/
+static void xmpp_postEndElement(xmlParserCtxt *ctxt)
+{
+	XMPPParser *parser = (__bridge XMPPParser *)ctxt->_private;
+	parser->depth--;
+	
+	if (parser->depth == 1)
+	{
+		// End of full xmpp element.
+		// That is, a child of the root element.
+		// Extract the child, and pass it to the delegate.
+		
+		xmlDocPtr doc = ctxt->myDoc;
+		xmlNodePtr root = xmlDocGetRootElement(doc);
+		
+		xmlNodePtr child = root->children;
+		while (child != NULL)
+		{
+			if (child->type == XML_ELEMENT_NODE)
+			{
+				xmpp_onDidReadElement(parser, child);
+				
+				// Exit while loop
+				break;
+			}
+			
+			child = child->next;
+		}
+	}
+	else if (parser->depth == 0)
+	{
+		// End of the root element
+		
+		if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParserDidEnd:)])
+		{
+			__strong id theDelegate = parser->delegate;
+			
+			dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+			
+				[theDelegate xmppParserDidEnd:parser];
+			}});
+		}
+	}
+}
+
+/**
+ * We're screwed...
+**/
+static void xmpp_xmlAbortDueToMemoryShortage(xmlParserCtxt *ctxt)
+{
+	XMPPParser *parser = (__bridge XMPPParser *)ctxt->_private;
+	
+	xmlStopParser(ctxt);
+	
+	if (parser->delegateQueue && [parser->delegate respondsToSelector:@selector(xmppParser:didFail:)])
+	{
+		NSString *errMsg = @"Unable to allocate memory in xmpp parser";
+		NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+		
+		NSError *error = [NSError errorWithDomain:@"libxmlErrorDomain" code:1001 userInfo:info];
+		
+		__strong id theDelegate = parser->delegate;
+		
+		dispatch_async(parser->delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate xmppParser:parser didFail:error];
+		}});
+	}
+}
+
+/**
+ * (Similar to the libxml "xmlSearchNs" method, with one very important difference.)
+ * 
+ * This method searches for an existing xmlNsPtr in the given node,
+ * recursing on the parents but stopping before it reaches the root node of the document.
+ * 
+ * Why do we skip the root node?
+ * Because all nodes are going to be detached from the root node.
+ * So it makes no sense to allow them to reference namespaces stored in the root node,
+ * since the detach algorithm will be forced to copy the namespaces later anyway.
+**/
+static xmlNsPtr xmpp_xmlSearchNs(xmlDocPtr doc, xmlNodePtr node, const xmlChar *nameSpace)
+{
+	xmlNodePtr rootNode = xmlDocGetRootElement(doc);
+	
+	xmlNodePtr currentNode = node;
+	while (currentNode && currentNode != rootNode)
+	{
+		xmlNsPtr currentNs = currentNode->nsDef;
+		while (currentNs)
+		{
+			if (currentNs->href != NULL)
+			{
+				if ((currentNs->prefix == NULL) && (nameSpace == NULL))
+				{
+					return currentNs;
+				}
+				if ((currentNs->prefix != NULL) && (nameSpace != NULL))
+				{
+					if (xmlStrEqual(currentNs->prefix, nameSpace))
+						return currentNs;
+				}
+			}
+			
+			currentNs = currentNs->next;
+		}
+		
+		currentNode = currentNode->parent;
+	}
+	
+	return NULL;
+}
+
+/**
+ * SAX parser C-style callback.
+ * Invoked when a new node element is started.
+**/
+static void	xmpp_xmlStartElement(void *ctx, const xmlChar  *nodeName,
+                                            const xmlChar  *nodePrefix,
+                                            const xmlChar  *nodeUri,
+                                                      int   nb_namespaces,
+                                            const xmlChar **namespaces,
+                                                      int   nb_attributes,
+                                                      int   nb_defaulted,
+                                            const xmlChar **attributes)
+{
+	int i, j;
+	xmlNsPtr lastAddedNs = NULL;
+	
+	xmlParserCtxt *ctxt = (xmlParserCtxt *)ctx;
+	
+	// We store the parent node in the context's node pointer.
+	// We keep this updated by "pushing" the node in the startElement method,
+	// and "popping" the node in the endElement method.
+	xmlNodePtr parent = ctxt->node;
+	
+	// Create the node
+	xmlNodePtr newNode = xmlNewDocNode(ctxt->myDoc, NULL, nodeName, NULL);
+	CHECK_FOR_NULL(newNode);
+	
+	// Add the node to the tree
+	if (parent == NULL)
+	{
+		// Root node
+		xmlAddChild((xmlNodePtr)ctxt->myDoc, newNode);
+	}
+	else
+	{
+		xmlAddChild(parent, newNode);
+	}
+	
+	// Process the namespaces
+	for (i = 0, j = 0; j < nb_namespaces; j++)
+	{
+		// Extract namespace prefix and uri
+		const xmlChar *nsPrefix = namespaces[i++];
+		const xmlChar *nsUri    = namespaces[i++];
+		
+		// Create the namespace
+		xmlNsPtr newNs = xmlNewNs(NULL, nsUri, nsPrefix);
+		CHECK_FOR_NULL(newNs);
+		
+		// Add namespace to node.
+		// Each node has a linked list of nodes (in the nsDef variable).
+		// The linked list is forward only.
+		// In other words, each ns has a next, but not a prev pointer.
+		
+		if (newNode->nsDef == NULL)
+		{
+			newNode->nsDef = newNs;
+			lastAddedNs = newNs;
+		}
+		else
+		{
+            if(lastAddedNs != NULL)
+            {
+                lastAddedNs->next = newNs;
+            }
+            
+			lastAddedNs = newNs;
+		}
+		
+		// Is this the namespace for the node?
+		
+		if (nodeUri && (nodePrefix == nsPrefix))
+		{
+			// Ex 1: node == <stream:stream xmlns:stream="url"> && newNs == stream:url
+			// Ex 2: node == <starttls xmlns="url">             && newNs == null:url
+			
+			newNode->ns = newNs;
+		}
+	}
+	
+	// Search for the node's namespace if it wasn't already found
+	if ((nodeUri) && (newNode->ns == NULL))
+	{
+		newNode->ns = xmpp_xmlSearchNs(ctxt->myDoc, newNode, nodePrefix);
+		
+		if (newNode->ns == NULL)
+		{
+			// We use href==NULL in the case of an element creation where the namespace was not defined.
+			// 
+			// We do NOT use xmlNewNs(newNode, nodeUri, nodePrefix) because that method doesn't properly add
+			// the namespace to BOTH nsDef and ns.
+			
+			xmlNsPtr newNs = xmlNewNs(NULL, nodeUri, nodePrefix);
+			CHECK_FOR_NULL(newNs);
+			
+			if (newNode->nsDef == NULL)
+			{
+				newNode->nsDef = newNs;
+			}
+			else if(lastAddedNs != NULL)
+			{
+				lastAddedNs->next = newNs;
+			}
+			
+			newNode->ns = newNs;
+		}
+	}
+	
+	// Process all the attributes
+	for (i = 0, j = 0; j < nb_attributes; j++)
+	{
+		const xmlChar *attrName   = attributes[i++];
+		const xmlChar *attrPrefix = attributes[i++];
+		const xmlChar *attrUri    = attributes[i++];
+		const xmlChar *valueBegin = attributes[i++];
+		const xmlChar *valueEnd   = attributes[i++];
+		
+        // The attribute value might contain character references which need to be decoded.
+        // 
+        // "Franks &#38; Beans" -> "Franks & Beans"
+        
+		xmlChar *value = xmlStringLenDecodeEntities(ctxt,                    // the parser context
+		                                            valueBegin,              // the input string
+		                                      (int)(valueEnd - valueBegin),  // the input string length
+		                                           (XML_SUBSTITUTE_REF),     // what to substitue
+		                                            0, 0, 0);                // end markers, 0 if none
+		CHECK_FOR_NULL(value);
+        
+		if ((attrPrefix == NULL) && (attrUri == NULL))
+		{
+			// Normal attribute - no associated namespace
+			xmlAttrPtr newAttr = xmlNewProp(newNode, attrName, value);
+			CHECK_FOR_NULL(newAttr);
+		}
+		else
+		{
+			// Find the namespace for the attribute
+			xmlNsPtr attrNs = xmpp_xmlSearchNs(ctxt->myDoc, newNode, attrPrefix);
+			
+			if (attrNs != NULL)
+			{
+				xmlAttrPtr newAttr = xmlNewNsProp(newNode, attrNs, attrName, value);
+				CHECK_FOR_NULL(newAttr);
+			}
+			else
+			{
+				attrNs = xmlNewNs(NULL, NULL, nodePrefix);
+				CHECK_FOR_NULL(attrNs);
+				
+				xmlAttrPtr newAttr = xmlNewNsProp(newNode, attrNs, attrName, value);
+				CHECK_FOR_NULL(newAttr);
+			}
+		}
+		
+		xmlFree(value);
+	}
+	
+	// Update our parent node pointer
+	ctxt->node = newNode;
+	
+	// Invoke delegate methods if needed
+	xmpp_postStartElement(ctxt);
+}
+
+/**
+ * SAX parser C-style callback.
+ * Invoked when characters are found within a node.
+**/
+static void xmpp_xmlCharacters(void *ctx, const xmlChar *ch, int len)
+{
+	xmlParserCtxt *ctxt = (xmlParserCtxt *)ctx;
+	
+	if (ctxt->node != NULL)
+	{
+		xmlNodePtr textNode = xmlNewTextLen(ch, len);
+		
+		// xmlAddChild(xmlNodePtr parent, xmlNodePtr cur)
+		// 
+		// Add a new node to @parent, at the end of the child list
+		// merging adjacent TEXT nodes (in which case @cur is freed).
+		
+		xmlAddChild(ctxt->node, textNode);
+	}
+}
+
+/**
+ * SAX parser C-style callback.
+ * Invoked when a new node element is ended.
+**/
+static void xmpp_xmlEndElement(void *ctx, const xmlChar *localname,
+                                          const xmlChar *prefix,
+                                          const xmlChar *URI)
+{
+	xmlParserCtxt *ctxt = (xmlParserCtxt *)ctx;
+	
+	// Update our parent node pointer
+	if (ctxt->node != NULL)
+		ctxt->node = ctxt->node->parent;
+	
+	// Invoke delegate methods if needed
+	xmpp_postEndElement(ctxt);
+}
+
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq
+{
+	return [self initWithDelegate:aDelegate delegateQueue:dq parserQueue:NULL];
+}
+
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq parserQueue:(dispatch_queue_t)pq
+{
+	if ((self = [super init]))
+	{
+		delegate = aDelegate;
+		delegateQueue = dq;
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (delegateQueue)
+			dispatch_retain(delegateQueue);
+		#endif
+
+		if (pq) {
+			parserQueue = pq;
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(parserQueue);
+			#endif
+		}
+		else {
+			parserQueue = dispatch_queue_create("xmpp.parser", NULL);
+		}
+		
+		xmppParserQueueTag = &xmppParserQueueTag;
+		dispatch_queue_set_specific(parserQueue, xmppParserQueueTag, xmppParserQueueTag, NULL);
+		
+		hasReportedRoot = NO;
+		depth  = 0;
+		
+		// Create SAX handler
+		xmlSAXHandler saxHandler;
+		memset(&saxHandler, 0, sizeof(xmlSAXHandler));
+		
+		saxHandler.initialized = XML_SAX2_MAGIC;
+		saxHandler.startElementNs = xmpp_xmlStartElement;
+		saxHandler.characters = xmpp_xmlCharacters;
+		saxHandler.endElementNs = xmpp_xmlEndElement;
+		
+		// Create the push parser context
+		parserCtxt = xmlCreatePushParserCtxt(&saxHandler, NULL, NULL, 0, NULL);
+		
+		// Note: This method copies the saxHandler, so we don't have to keep it around.
+		
+		// Create the document to hold the parsed elements
+		parserCtxt->myDoc = xmlNewDoc(parserCtxt->version);
+		
+		// Store reference to ourself
+		parserCtxt->_private = (__bridge void *)(self);
+		
+		// Note: The parserCtxt also has a userData variable, but it is used by the DOM building functions.
+		// If we put a value there, it actually causes a crash!
+		// We need to be sure to use the _private variable which libxml won't touch.
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	if (parserCtxt)
+	{
+		// The xmlFreeParserCtxt method will not free the created document in parserCtxt->myDoc.
+		if (parserCtxt->myDoc)
+		{
+			// Free the created xmlDoc
+			xmlFreeDoc(parserCtxt->myDoc);
+		}
+		
+		xmlFreeParserCtxt(parserCtxt);
+	}
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (delegateQueue)
+		dispatch_release(delegateQueue);
+	if (parserQueue)
+		dispatch_release(parserQueue);
+	#endif
+}
+
+- (void)setDelegate:(id)newDelegate delegateQueue:(dispatch_queue_t)newDelegateQueue
+{
+	#if !OS_OBJECT_USE_OBJC
+	if (newDelegateQueue)
+		dispatch_retain(newDelegateQueue);
+	#endif
+	
+	dispatch_block_t block = ^{
+		
+		delegate = newDelegate;
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (delegateQueue)
+			dispatch_release(delegateQueue);
+		#endif
+		
+		delegateQueue = newDelegateQueue;
+	};
+	
+	if (dispatch_get_specific(xmppParserQueueTag))
+		block();
+	else
+		dispatch_async(parserQueue, block);
+}
+
+- (void)parseData:(NSData *)data
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+	
+		int result = xmlParseChunk(parserCtxt, (const char *)[data bytes], (int)[data length], 0);
+		
+		if (result == 0)
+		{
+			if (delegateQueue && [delegate respondsToSelector:@selector(xmppParserDidParseData:)])
+			{
+				__strong id theDelegate = delegate;
+				
+				dispatch_async(delegateQueue, ^{ @autoreleasepool {
+					
+					[theDelegate xmppParserDidParseData:self];
+				}});
+			}
+		}
+		else
+		{
+			if (delegateQueue && [delegate respondsToSelector:@selector(xmppParser:didFail:)])
+			{
+				NSError *error;
+				
+				xmlError *xmlErr = xmlCtxtGetLastError(parserCtxt);
+				
+				if (xmlErr->message)
+				{
+					NSString *errMsg = [NSString stringWithFormat:@"%s", xmlErr->message];
+					NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+					
+					error = [NSError errorWithDomain:@"libxmlErrorDomain" code:xmlErr->code userInfo:info];
+				}
+				else
+				{
+					error = [NSError errorWithDomain:@"libxmlErrorDomain" code:xmlErr->code userInfo:nil];
+				}
+				
+				__strong id theDelegate = delegate;
+				
+				dispatch_async(delegateQueue, ^{ @autoreleasepool {
+					
+					[theDelegate xmppParser:self didFail:error];
+				}});
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppParserQueueTag))
+		block();
+	else
+		dispatch_async(parserQueue, block);
+}
+
+@end
diff --git a/Core/XMPPPresence.h b/Core/XMPPPresence.h
new file mode 100644
index 0000000..d77554b
--- /dev/null
+++ b/Core/XMPPPresence.h
@@ -0,0 +1,38 @@
+#import <Foundation/Foundation.h>
+#import "XMPPElement.h"
+
+/**
+ * The XMPPPresence class represents a <presence> element.
+ * It extends XMPPElement, which in turn extends NSXMLElement.
+ * All <presence> elements that go in and out of the
+ * xmpp stream will automatically be converted to XMPPPresence objects.
+ * 
+ * This class exists to provide developers an easy way to add functionality to presence processing.
+ * Simply add your own category to XMPPPresence to extend it with your own custom methods.
+**/
+
+@interface XMPPPresence : XMPPElement
+
+// Converts an NSXMLElement to an XMPPPresence element in place (no memory allocations or copying)
++ (XMPPPresence *)presenceFromElement:(NSXMLElement *)element;
+
++ (XMPPPresence *)presence;
++ (XMPPPresence *)presenceWithType:(NSString *)type;
++ (XMPPPresence *)presenceWithType:(NSString *)type to:(XMPPJID *)to;
+
+- (id)init;
+- (id)initWithType:(NSString *)type;
+- (id)initWithType:(NSString *)type to:(XMPPJID *)to;
+
+- (NSString *)type;
+
+- (NSString *)show;
+- (NSString *)status;
+
+- (int)priority;
+
+- (int)intShow;
+
+- (BOOL)isErrorPresence;
+
+@end
diff --git a/Core/XMPPPresence.m b/Core/XMPPPresence.m
new file mode 100644
index 0000000..a01e46e
--- /dev/null
+++ b/Core/XMPPPresence.m
@@ -0,0 +1,145 @@
+#import "XMPPPresence.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPPresence
+
+#if DEBUG
+
++ (void)initialize
+{
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPPresence class]);
+	
+	if (superSize != ourSize)
+	{
+		NSLog(@"Adding instance variables to XMPPPresence is not currently supported!");
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPPresence *)presenceFromElement:(NSXMLElement *)element
+{
+	object_setClass(element, [XMPPPresence class]);
+	
+	return (XMPPPresence *)element;
+}
+
++ (XMPPPresence *)presence
+{
+	return [[XMPPPresence alloc] init];
+}
+
++ (XMPPPresence *)presenceWithType:(NSString *)type
+{
+	return [[XMPPPresence alloc] initWithType:type to:nil];
+}
+
++ (XMPPPresence *)presenceWithType:(NSString *)type to:(XMPPJID *)to
+{
+	return [[XMPPPresence alloc] initWithType:type to:to];
+}
+
+- (id)init
+{
+	self = [super initWithName:@"presence"];
+	return self;
+}
+
+- (id)initWithType:(NSString *)type
+{
+	return [self initWithType:type to:nil];
+}
+
+- (id)initWithType:(NSString *)type to:(XMPPJID *)to
+{
+	if ((self = [super initWithName:@"presence"]))
+	{
+		if (type)
+			[self addAttributeWithName:@"type" stringValue:type];
+		
+		if (to)
+			[self addAttributeWithName:@"to" stringValue:[to full]];
+	}
+	return self;
+}
+
+- (id)initWithXMLString:(NSString *)string error:(NSError *__autoreleasing *)error
+{
+	if((self = [super initWithXMLString:string error:error])){
+		self = [XMPPPresence presenceFromElement:self];
+	}	
+	return self;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+    NSXMLElement *element = [super copyWithZone:zone];
+    return [XMPPPresence presenceFromElement:element];
+}
+
+- (NSString *)type
+{
+	NSString *type = [self attributeStringValueForName:@"type"];
+	if(type)
+		return [type lowercaseString];
+	else
+		return @"available";
+}
+
+- (NSString *)show
+{
+	return [[self elementForName:@"show"] stringValue];
+}
+
+- (NSString *)status
+{
+	return [[self elementForName:@"status"] stringValue];
+}
+
+- (int)priority
+{
+	return [[[self elementForName:@"priority"] stringValue] intValue];
+}
+
+- (int)intShow
+{
+	NSString *show = [self show];
+	
+	if([show isEqualToString:@"dnd"])
+		return 0;
+	if([show isEqualToString:@"xa"])
+		return 1;
+	if([show isEqualToString:@"away"])
+		return 2;
+	if([show isEqualToString:@"chat"])
+		return 4;
+	
+	return 3;
+}
+
+- (BOOL)isErrorPresence
+{
+	return [[self type] isEqualToString:@"error"];
+}
+
+@end
diff --git a/Core/XMPPStream.h b/Core/XMPPStream.h
new file mode 100644
index 0000000..39d4c0d
--- /dev/null
+++ b/Core/XMPPStream.h
@@ -0,0 +1,1111 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPCustomBinding.h"
+#import "GCDMulticastDelegate.h"
+#import "CocoaAsyncSocket/GCDAsyncSocket.h"
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+@class XMPPSRVResolver;
+@class XMPPParser;
+@class XMPPJID;
+@class XMPPIQ;
+@class XMPPMessage;
+@class XMPPPresence;
+@class XMPPModule;
+@class XMPPElement;
+@class XMPPElementReceipt;
+@protocol XMPPStreamDelegate;
+
+#if TARGET_OS_IPHONE
+  #define MIN_KEEPALIVE_INTERVAL      20.0 // 20 Seconds
+  #define DEFAULT_KEEPALIVE_INTERVAL 120.0 //  2 Minutes
+#else
+  #define MIN_KEEPALIVE_INTERVAL      10.0 // 10 Seconds
+  #define DEFAULT_KEEPALIVE_INTERVAL 300.0 //  5 Minutes
+#endif
+
+extern NSString *const XMPPStreamErrorDomain;
+
+typedef NS_ENUM(NSUInteger, XMPPStreamErrorCode) {
+	XMPPStreamInvalidType,       // Attempting to access P2P methods in a non-P2P stream, or vice-versa
+	XMPPStreamInvalidState,      // Invalid state for requested action, such as connect when already connected
+	XMPPStreamInvalidProperty,   // Missing a required property, such as myJID
+	XMPPStreamInvalidParameter,  // Invalid parameter, such as a nil JID
+	XMPPStreamUnsupportedAction, // The server doesn't support the requested action
+};
+
+typedef NS_ENUM(NSUInteger, XMPPStreamStartTLSPolicy) {
+    XMPPStreamStartTLSPolicyAllowed,   // TLS will be used if the server requires it
+    XMPPStreamStartTLSPolicyPreferred, // TLS will be used if the server offers it
+    XMPPStreamStartTLSPolicyRequired   // TLS will be used if the server offers it, else the stream won't connect
+};
+
+extern const NSTimeInterval XMPPStreamTimeoutNone;
+
+@interface XMPPStream : NSObject <GCDAsyncSocketDelegate>
+
+/**
+ * Standard XMPP initialization.
+ * The stream is a standard client to server connection.
+ * 
+ * P2P streams using XEP-0174 are also supported.
+ * See the P2P section below.
+**/
+- (id)init;
+
+/**
+ * Peer to Peer XMPP initialization.
+ * The stream is a direct client to client connection as outlined in XEP-0174.
+**/
+- (id)initP2PFrom:(XMPPJID *)myJID;
+
+/**
+ * XMPPStream uses a multicast delegate.
+ * This allows one to add multiple delegates to a single XMPPStream instance,
+ * which makes it easier to separate various components and extensions.
+ * 
+ * For example, if you were implementing two different custom extensions on top of XMPP,
+ * you could put them in separate classes, and simply add each as a delegate.
+**/
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The server's hostname that should be used to make the TCP connection.
+ * This may be a domain name (e.g. "deusty.com") or an IP address (e.g. "70.85.193.226").
+ * 
+ * Note that this may be different from the virtual xmpp hostname.
+ * Just as HTTP servers can support mulitple virtual hosts from a single server, so too can xmpp servers.
+ * A prime example is google via google apps.
+ * 
+ * For example, say you own the domain "mydomain.com".
+ * If you go to mydomain.com in a web browser,
+ * you are directed to your apache server running on your webserver somewhere in the cloud.
+ * But you use google apps for your email and xmpp needs.
+ * So if somebody sends you an email, it actually goes to google's servers, where you later access it from.
+ * Similarly, you connect to google's servers to sign into xmpp.
+ * 
+ * In the example above, your hostname is "talk.google.com" and your JID is "me@mydomain.com".
+ * 
+ * This hostName property is optional.
+ * If you do not set the hostName, then the framework will follow the xmpp specification using jid's domain.
+ * That is, it first do an SRV lookup (as specified in the xmpp RFC).
+ * If that fails, it will fall back to simply attempting to connect to the jid's domain.
+**/
+@property (readwrite, copy) NSString *hostName;
+
+/**
+ * The port the xmpp server is running on.
+ * If you do not explicitly set the port, the default port will be used.
+ * If you set the port to zero, the default port will be used.
+ * 
+ * The default port is 5222.
+**/
+@property (readwrite, assign) UInt16 hostPort;
+
+/**
+ * The stream's policy on when to Start TLS.
+ *
+ * The default is XMPPStreamStartTLSPolicyAllowed.
+ *
+ * @see XMPPStreamStartTLSPolicy
+**/
+@property (readwrite, assign) XMPPStreamStartTLSPolicy startTLSPolicy;
+
+/**
+ * The JID of the user.
+ * 
+ * This value is required, and is used in many parts of the underlying implementation.
+ * When connecting, the domain of the JID is used to properly specify the correct xmpp virtual host.
+ * It is used during registration to supply the username of the user to create an account for.
+ * It is used during authentication to supply the username of the user to authenticate with.
+ * And the resource may be used post-authentication during the required xmpp resource binding step.
+ * 
+ * A proper JID is of the form user@domain/resource.
+ * For example: robbiehanson@deusty.com/work
+ * 
+ * The resource is optional, in the sense that if one is not supplied,
+ * one will be automatically generated for you (either by us or by the server).
+ * 
+ * Please note:
+ * Resource collisions are handled in different ways depending on server configuration.
+ * 
+ * For example:
+ * You are signed in with user1@domain.com/home on your desktop.
+ * Then you attempt to sign in with user1@domain.com/home on your laptop.
+ * 
+ * The server could possibly:
+ * - Reject the resource request for the laptop.
+ * - Accept the resource request for the laptop, and immediately disconnect the desktop.
+ * - Automatically assign the laptop another resource without a conflict.
+ * 
+ * For this reason, you may wish to check the myJID variable after the stream has been connected,
+ * just in case the resource was changed by the server.
+**/
+@property (readwrite, copy) XMPPJID *myJID;
+
+/**
+ * Only used in P2P streams.
+**/
+@property (strong, readonly) XMPPJID *remoteJID;
+
+/**
+ * Many routers will teardown a socket mapping if there is no activity on the socket.
+ * For this reason, the xmpp stream supports sending keep-alive data.
+ * This is simply whitespace, which is ignored by the xmpp protocol.
+ * 
+ * Keep-alive data is only sent in the absence of any other data being sent/received.
+ * 
+ * The default value is defined in DEFAULT_KEEPALIVE_INTERVAL.
+ * The minimum value is defined in MIN_KEEPALIVE_INTERVAL.
+ * 
+ * To disable keep-alive, set the interval to zero (or any non-positive number).
+ * 
+ * The keep-alive timer (if enabled) fires every (keepAliveInterval / 4) seconds.
+ * Upon firing it checks when data was last sent/received,
+ * and sends keep-alive data if the elapsed time has exceeded the keepAliveInterval.
+ * Thus the effective resolution of the keepalive timer is based on the interval.
+ * 
+ * @see keepAliveWhitespaceCharacter
+**/
+@property (readwrite, assign) NSTimeInterval keepAliveInterval;
+
+/**
+ * The keep-alive mechanism sends whitespace which is ignored by the xmpp protocol.
+ * The default whitespace character is a space (' ').
+ * 
+ * This can be changed, for whatever reason, to another whitespace character.
+ * Valid whitespace characters are space(' '), tab('\t') and newline('\n').
+ * 
+ * If you attempt to set the character to any non-whitespace character, the attempt is ignored.
+ * 
+ * @see keepAliveInterval
+**/
+@property (readwrite, assign) char keepAliveWhitespaceCharacter;
+
+/**
+ * Represents the last sent presence element concerning the presence of myJID on the server.
+ * In other words, it represents the presence as others see us.
+ * 
+ * This excludes presence elements sent concerning subscriptions, MUC rooms, etc.
+ * 
+ * @see resendMyPresence
+**/
+@property (strong, readonly) XMPPPresence *myPresence;
+
+/**
+ * Returns the total number of bytes bytes sent/received by the xmpp stream.
+ * 
+ * By default this is the byte count since the xmpp stream object has been created.
+ * If the stream has connected/disconnected/reconnected multiple times,
+ * the count will be the summation of all connections.
+ * 
+ * The functionality may optionaly be changed to count only the current socket connection.
+ * @see resetByteCountPerConnection
+**/
+@property (readonly) uint64_t numberOfBytesSent;
+@property (readonly) uint64_t numberOfBytesReceived;
+
+/**
+ * Same as the individual properties,
+ * but provides a way to fetch them in one atomic operation.
+**/
+- (void)getNumberOfBytesSent:(uint64_t *)bytesSentPtr numberOfBytesReceived:(uint64_t *)bytesReceivedPtr;
+
+/**
+ * Affects the funtionality of the byte counter.
+ * 
+ * The default value is NO.
+ * 
+ * If set to YES, the byte count will be reset just prior to a new connection (in the connect methods).
+**/
+@property (readwrite, assign) BOOL resetByteCountPerConnection;
+
+/**
+ * The tag property allows you to associate user defined information with the stream.
+ * Tag values are not used internally, and should not be used by xmpp modules.
+**/
+@property (readwrite, strong) id tag;
+
+/**
+ * RFC 6121 states that starting a session is no longer required.
+ * To skip this step set skipStartSession to YES.
+ *
+ * [RFC3921] specified one additional
+ * precondition: formal establishment of an instant messaging and
+ * presence session.  Implementation and deployment experience has
+ * shown that this additional step is unnecessary.  However, for
+ * backward compatibility an implementation MAY still offer that
+ * feature.  This enables older software to connect while letting
+ * newer software save a round trip.
+ *
+ * The default value is NO.
+**/
+@property (readwrite, assign) BOOL skipStartSession;
+
+/**
+ * Validates that a response element is FROM the jid that the request element was sent TO.
+ * Supports validating responses when request didn't specify a TO.
+ *
+ * @see isValidResponseElementFrom:forRequestElementTo:
+ * @see isValidResponseElement:forRequestElement:
+ *
+ * The default value is NO.
+**/
+@property (readwrite, assign) BOOL validatesResponses;
+
+#if TARGET_OS_IPHONE
+
+/**
+ * If set, the kCFStreamNetworkServiceTypeVoIP flags will be set on the underlying CFRead/Write streams.
+ * 
+ * The default value is NO.
+**/
+@property (readwrite, assign) BOOL enableBackgroundingOnSocket;
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark State
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns YES if the connection is closed, and thus no stream is open.
+ * If the stream is neither disconnected, nor connected, then a connection is currently being established.
+**/
+- (BOOL)isDisconnected;
+
+/**
+ * Returns YES is the connection is currently connecting
+**/
+- (BOOL)isConnecting;
+
+/**
+ * Returns YES if the connection is open, and the stream has been properly established.
+ * If the stream is neither disconnected, nor connected, then a connection is currently being established.
+ * 
+ * If this method returns YES, then it is ready for you to start sending and receiving elements.
+**/
+- (BOOL)isConnected;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Connect & Disconnect
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Connects to the configured hostName on the configured hostPort.
+ * The timeout is optional. To not time out use XMPPStreamTimeoutNone.
+ * If the hostName or myJID are not set, this method will return NO and set the error parameter.
+**/
+- (BOOL)connectWithTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr;
+
+/**
+ * THIS IS DEPRECATED BY THE XMPP SPECIFICATION.
+ * 
+ * The xmpp specification outlines the proper use of SSL/TLS by negotiating
+ * the startTLS upgrade within the stream negotiation.
+ * This method exists for those ancient servers that still require the connection to be secured prematurely.
+ * The timeout is optional. To not time out use XMPPStreamTimeoutNone.
+ *
+ * Note: Such servers generally use port 5223 for this, which you will need to set.
+**/
+- (BOOL)oldSchoolSecureConnectWithTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr;
+
+/**
+ * Starts a P2P connection to the given user and given address.
+ * The timeout is optional. To not time out use XMPPStreamTimeoutNone.
+ * This method only works with XMPPStream objects created using the initP2P method.
+ * 
+ * The given address is specified as a sockaddr structure wrapped in a NSData object.
+ * For example, a NSData object returned from NSNetservice's addresses method.
+**/
+- (BOOL)connectTo:(XMPPJID *)remoteJID
+      withAddress:(NSData *)remoteAddr
+      withTimeout:(NSTimeInterval)timeout
+            error:(NSError **)errPtr;
+
+/**
+ * Starts a P2P connection with the given accepted socket.
+ * This method only works with XMPPStream objects created using the initP2P method.
+ * 
+ * The given socket should be a socket that has already been accepted.
+ * The remoteJID will be extracted from the opening stream negotiation.
+**/
+- (BOOL)connectP2PWithSocket:(GCDAsyncSocket *)acceptedSocket error:(NSError **)errPtr;
+
+/**
+ * Disconnects from the remote host by closing the underlying TCP socket connection.
+ * The terminating </stream:stream> element is not sent to the server.
+ * 
+ * This method is synchronous.
+ * Meaning that the disconnect will happen immediately, even if there are pending elements yet to be sent.
+ * 
+ * The xmppStreamDidDisconnect:withError: delegate method will immediately be dispatched onto the delegate queue.
+**/
+- (void)disconnect;
+
+/**
+ * Disconnects from the remote host by sending the terminating </stream:stream> element,
+ * and then closing the underlying TCP socket connection.
+ * 
+ * This method is asynchronous.
+ * The disconnect will happen after all pending elements have been sent.
+ * Attempting to send elements after this method has been called will not work (the elements won't get sent).
+**/
+- (void)disconnectAfterSending;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Security
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns YES if SSL/TLS was used to establish a connection to the server.
+ * 
+ * Some servers may require an "upgrade to TLS" in order to start communication,
+ * so even if the connection was not explicitly secured, an ugrade to TLS may have occured.
+ * 
+ * See also the xmppStream:willSecureWithSettings: delegate method.
+**/
+- (BOOL)isSecure;
+
+/**
+ * Returns whether or not the server supports securing the connection via SSL/TLS.
+ * 
+ * Some servers will actually require a secure connection,
+ * in which case the stream will attempt to secure the connection during the opening process.
+ * 
+ * If the connection has already been secured, this method may return NO.
+**/
+- (BOOL)supportsStartTLS;
+
+/**
+ * Attempts to secure the connection via SSL/TLS.
+ * 
+ * This method is asynchronous.
+ * The SSL/TLS handshake will occur in the background, and
+ * the xmppStreamDidSecure: delegate method will be called after the TLS process has completed.
+ * 
+ * This method returns immediately.
+ * If the secure process was started, it will return YES.
+ * If there was an issue while starting the security process,
+ * this method will return NO and set the error parameter.
+ * 
+ * The errPtr parameter is optional - you may pass nil.
+ * 
+ * You may wish to configure the security settings via the xmppStream:willSecureWithSettings: delegate method.
+ * 
+ * If the SSL/TLS handshake fails, the connection will be closed.
+ * The reason for the error will be reported via the xmppStreamDidDisconnect:withError: delegate method.
+ * The error parameter will be an NSError object, and may have an error domain of kCFStreamErrorDomainSSL.
+ * The corresponding error code is documented in Apple's Security framework, in SecureTransport.h
+**/
+- (BOOL)secureConnection:(NSError **)errPtr;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Registration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * In Band Registration.
+ * Creating a user account on the xmpp server within the xmpp protocol.
+ * 
+ * The registerWithElements:error: method is asynchronous.
+ * It will return immediately, and the delegate methods are used to determine success.
+ * See the xmppStreamDidRegister: and xmppStream:didNotRegister: methods.
+ * 
+ * If there is something immediately wrong, such as the stream is not connected,
+ * this method will return NO and set the error.
+ * 
+ * The errPtr parameter is optional - you may pass nil.
+ * 
+ * registerWithPassword:error: is a convience method for creating an account using the given username and password.
+ *
+ * Security Note:
+ * The password will be sent in the clear unless the stream has been secured.
+**/
+- (BOOL)supportsInBandRegistration;
+- (BOOL)registerWithElements:(NSArray *)elements error:(NSError **)errPtr;
+- (BOOL)registerWithPassword:(NSString *)password error:(NSError **)errPtr;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Authentication
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the server's list of supported authentication mechanisms.
+ * Each item in the array will be of type NSString.
+ * 
+ * For example, if the server supplied this stanza within it's reported stream:features:
+ * 
+ * <mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
+ *     <mechanism>DIGEST-MD5</mechanism>
+ *     <mechanism>PLAIN</mechanism>
+ * </mechanisms>
+ * 
+ * Then this method would return [@"DIGEST-MD5", @"PLAIN"].
+**/
+- (NSArray *)supportedAuthenticationMechanisms;
+
+/**
+ * Returns whether or not the given authentication mechanism name was specified in the
+ * server's list of supported authentication mechanisms.
+ * 
+ * Note: The authentication classes often provide a category on XMPPStream, adding useful methods.
+ * 
+ * @see XMPPPlainAuthentication - supportsPlainAuthentication
+ * @see XMPPDigestMD5Authentication - supportsDigestMD5Authentication
+ * @see XMPPXFacebookPlatformAuthentication - supportsXFacebookPlatformAuthentication
+ * @see XMPPDeprecatedPlainAuthentication - supportsDeprecatedPlainAuthentication
+ * @see XMPPDeprecatedDigestAuthentication - supportsDeprecatedDigestAuthentication
+**/
+- (BOOL)supportsAuthenticationMechanism:(NSString *)mechanism;
+
+/**
+ * This is the root authentication method.
+ * All other authentication methods go through this one.
+ * 
+ * This method attempts to start the authentication process given the auth instance.
+ * That is, this method will invoke start: on the given auth instance.
+ * If it returns YES, then the stream will enter into authentication mode.
+ * It will then continually invoke the handleAuth: method on the given instance until authentication is complete.
+ * 
+ * This method is asynchronous.
+ * 
+ * If there is something immediately wrong, such as the stream is not connected,
+ * the method will return NO and set the error.
+ * Otherwise the delegate callbacks are used to communicate auth success or failure.
+ * 
+ * @see xmppStreamDidAuthenticate:
+ * @see xmppStream:didNotAuthenticate:
+ * 
+ * @see authenticateWithPassword:error:
+ * 
+ * Note: The security process is abstracted in order to provide flexibility,
+ *       and allow developers to easily implement their own custom authentication protocols.
+ *       The authentication classes often provide a category on XMPPStream, adding useful methods.
+ * 
+ * @see XMPPXFacebookPlatformAuthentication - authenticateWithFacebookAccessToken:error:
+**/
+- (BOOL)authenticate:(id <XMPPSASLAuthentication>)auth error:(NSError **)errPtr;
+
+/**
+ * This method applies to standard password authentication schemes only.
+ * This is NOT the primary authentication method.
+ * 
+ * @see authenticate:error:
+ * 
+ * This method exists for backwards compatibility, and may disappear in future versions.
+**/
+- (BOOL)authenticateWithPassword:(NSString *)password error:(NSError **)errPtr;
+
+/**
+ * Returns whether or not the xmpp stream is currently authenticating with the XMPP Server.
+**/
+- (BOOL)isAuthenticating;
+
+/**
+ * Returns whether or not the xmpp stream has successfully authenticated with the server.
+**/
+- (BOOL)isAuthenticated;
+
+/**
+ * Returns the date when the xmpp stream successfully authenticated with the server.
+ **/
+- (NSDate *)authenticationDate;
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Compression
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+/**
+ * Returns the server's list of supported compression methods in accordance to XEP-0138: Stream Compression
+ * Each item in the array will be of type NSString.
+ *
+ * For example, if the server supplied this stanza within it's reported stream:features:
+ *
+ * <compression xmlns='http://jabber.org/features/compress'>
+ *	  <method>zlib</method>
+ *    <method>lzw</method>
+ * </compression>
+ *
+ * Then this method would return [@"zlib", @"lzw"].
+ **/
+- (NSArray *)supportedCompressionMethods;
+
+
+/**
+ * Returns whether or not the given compression method name was specified in the
+ * server's list of supported compression methods.
+ *
+ * Note: The XMPPStream doesn't currently support any compression methods 
+**/
+
+- (BOOL)supportsCompressionMethod:(NSString *)compressionMethod;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Server Info
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method will return the root element of the document.
+ * This element contains the opening <stream:stream/> and <stream:features/> tags received from the server.
+ * 
+ * If multiple <stream:features/> have been received during the course of stream negotiation,
+ * the root element contains only the most recent (current) version.
+ * 
+ * Note: The rootElement is "empty", in-so-far as it does not contain all the XML elements the stream has
+ * received during it's connection. This is done for performance reasons and for the obvious benefit
+ * of being more memory efficient.
+**/
+- (NSXMLElement *)rootElement;
+
+/**
+ * Returns the version attribute from the servers's <stream:stream/> element.
+ * This should be at least 1.0 to be RFC 3920 compliant.
+ * If no version number was set, the server is not RFC compliant, and 0 is returned.
+**/
+- (float)serverXmppStreamVersionNumber;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Sending
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Sends the given XML element.
+ * If the stream is not yet connected, this method does nothing.
+**/
+- (void)sendElement:(NSXMLElement *)element;
+
+/**
+ * Just like the sendElement: method above,
+ * but allows you to receive a receipt that can later be used to verify the element has been sent.
+ * 
+ * If you later want to check to see if the element has been sent:
+ * 
+ * if ([receipt wait:0]) {
+ *   // Element has been sent
+ * }
+ * 
+ * If you later want to wait until the element has been sent:
+ * 
+ * if ([receipt wait:-1]) {
+ *   // Element was sent
+ * } else {
+ *   // Element failed to send due to disconnection
+ * }
+ * 
+ * It is important to understand what it means when [receipt wait:timeout] returns YES.
+ * It does NOT mean the server has received the element.
+ * It only means the data has been queued for sending in the underlying OS socket buffer.
+ * 
+ * So at this point the OS will do everything in its capacity to send the data to the server,
+ * which generally means the server will eventually receive the data.
+ * Unless, of course, something horrible happens such as a network failure,
+ * or a system crash, or the server crashes, etc.
+ * 
+ * Even if you close the xmpp stream after this point, the OS will still do everything it can to send the data.
+**/
+- (void)sendElement:(NSXMLElement *)element andGetReceipt:(XMPPElementReceipt **)receiptPtr;
+
+/**
+ * Fetches and resends the myPresence element (if available) in a single atomic operation.
+ * 
+ * There are various xmpp extensions that hook into the xmpp stream and append information to outgoing presence stanzas.
+ * For example, the XMPPCapabilities module automatically appends capabilities information (as a hash).
+ * When these modules need to update/change their appended information,
+ * they should use this method to do so.
+ * 
+ * The alternative is to fetch the myPresence element, and resend it manually using the sendElement method.
+ * However, that is 2 seperate operations, and the user, may send a different presence element inbetween.
+ * Using this method guarantees everything is done as an atomic operation.
+**/
+- (void)resendMyPresence;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Stanza Validation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Validates that a response element is FROM the jid that the request element was sent TO.
+ * Supports validating responses when request didn't specify a TO.
+**/
+- (BOOL)isValidResponseElementFrom:(XMPPJID *)from forRequestElementTo:(XMPPJID *)to;
+
+- (BOOL)isValidResponseElement:(XMPPElement *)response forRequestElement:(XMPPElement *)request;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Module Plug-In System
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The XMPPModule class automatically invokes these methods when it is activated/deactivated.
+ * 
+ * The registerModule method registers the module with the xmppStream.
+ * If there are any other modules that have requested to be automatically added as delegates to modules of this type,
+ * then those modules are automatically added as delegates during the asynchronous execution of this method.
+ * 
+ * The registerModule method is asynchronous.
+ * 
+ * The unregisterModule method unregisters the module with the xmppStream,
+ * and automatically removes it as a delegate of any other module.
+ * 
+ * The unregisterModule method is fully synchronous.
+ * That is, after this method returns, the module will not be scheduled in any more delegate calls from other modules.
+ * However, if the module was already scheduled in an existing asynchronous delegate call from another module,
+ * the scheduled delegate invocation remains queued and will fire in the near future.
+ * Since the delegate invocation is already queued,
+ * the module's retainCount has been incremented,
+ * and the module will not be deallocated until after the delegate invocation has fired.
+**/
+- (void)registerModule:(XMPPModule *)module;
+- (void)unregisterModule:(XMPPModule *)module;
+
+/**
+ * Automatically registers the given delegate with all current and future registered modules of the given class.
+ * 
+ * That is, the given delegate will be added to the delegate list ([module addDelegate:delegate delegateQueue:dq]) to
+ * all current and future registered modules that respond YES to [module isKindOfClass:aClass].
+ * 
+ * This method is used by modules to automatically integrate with other modules.
+ * For example, a module may auto-add itself as a delegate to XMPPCapabilities
+ * so that it can broadcast its implemented features.
+ * 
+ * This may also be useful to clients, for example, to add a delegate to instances of something like XMPPChatRoom,
+ * where there may be multiple instances of the module that get created during the course of an xmpp session.
+ * 
+ * If you auto register on multiple queues, you can remove all registrations with a single
+ * call to removeAutoDelegate::: by passing NULL as the 'dq' parameter.
+ * 
+ * If you auto register for multiple classes, you can remove all registrations with a single
+ * call to removeAutoDelegate::: by passing nil as the 'aClass' parameter.
+**/
+- (void)autoAddDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue toModulesOfClass:(Class)aClass;
+- (void)removeAutoDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue fromModulesOfClass:(Class)aClass;
+
+/**
+ * Allows for enumeration of the currently registered modules.
+ * 
+ * This may be useful if the stream needs to be queried for modules of a particular type.
+**/
+- (void)enumerateModulesWithBlock:(void (^)(XMPPModule *module, NSUInteger idx, BOOL *stop))block;
+
+/**
+ * Allows for enumeration of the currently registered modules that are a kind of Class.
+ * idx is in relation to all modules not just those of the given class.
+**/
+- (void)enumerateModulesOfClass:(Class)aClass withBlock:(void (^)(XMPPModule *module, NSUInteger idx, BOOL *stop))block;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Generates and returns a new autoreleased UUID.
+ * UUIDs (Universally Unique Identifiers) may also be known as GUIDs (Globally Unique Identifiers).
+ * 
+ * The UUID is generated using the CFUUID library, which generates a unique 128 bit value.
+ * The uuid is then translated into a string using the standard format for UUIDs:
+ * "68753A44-4D6F-1226-9C60-0050E4C00067"
+ * 
+ * This method is most commonly used to generate a unique id value for an xmpp element.
+**/
++ (NSString *)generateUUID;
+- (NSString *)generateUUID;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPElementReceipt : NSObject
+{
+	uint32_t atomicFlags;
+	dispatch_semaphore_t semaphore;
+}
+
+/**
+ * Element receipts allow you to check to see if the element has been sent.
+ * The timeout parameter allows you to do any of the following:
+ * 
+ * - Do an instantaneous check (pass timeout == 0)
+ * - Wait until the element has been sent (pass timeout < 0)
+ * - Wait up to a certain amount of time (pass timeout > 0)
+ * 
+ * It is important to understand what it means when [receipt wait:timeout] returns YES.
+ * It does NOT mean the server has received the element.
+ * It only means the data has been queued for sending in the underlying OS socket buffer.
+ * 
+ * So at this point the OS will do everything in its capacity to send the data to the server,
+ * which generally means the server will eventually receive the data.
+ * Unless, of course, something horrible happens such as a network failure,
+ * or a system crash, or the server crashes, etc.
+ * 
+ * Even if you close the xmpp stream after this point, the OS will still do everything it can to send the data.
+**/
+- (BOOL)wait:(NSTimeInterval)timeout;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPStreamDelegate
+@optional
+
+/**
+ * This method is called before the stream begins the connection process.
+ *
+ * If developing an iOS app that runs in the background, this may be a good place to indicate
+ * that this is a task that needs to continue running in the background.
+**/
+- (void)xmppStreamWillConnect:(XMPPStream *)sender;
+
+/**
+ * This method is called after the tcp socket has connected to the remote host.
+ * It may be used as a hook for various things, such as updating the UI or extracting the server's IP address.
+ * 
+ * If developing an iOS app that runs in the background,
+ * please use XMPPStream's enableBackgroundingOnSocket property as opposed to doing it directly on the socket here.
+**/
+- (void)xmppStream:(XMPPStream *)sender socketDidConnect:(GCDAsyncSocket *)socket;
+
+/**
+ * This method is called after a TCP connection has been established with the server,
+ * and the opening XML stream negotiation has started.
+**/
+- (void)xmppStreamDidStartNegotiation:(XMPPStream *)sender;
+
+/**
+ * This method is called immediately prior to the stream being secured via TLS/SSL.
+ * Note that this delegate may be called even if you do not explicitly invoke the startTLS method.
+ * Servers have the option of requiring connections to be secured during the opening process.
+ * If this is the case, the XMPPStream will automatically attempt to properly secure the connection.
+ * 
+ * The dictionary of settings is what will be passed to the startTLS method of the underlying GCDAsyncSocket.
+ * The GCDAsyncSocket header file contains a discussion of the available key/value pairs,
+ * as well as the security consequences of various options.
+ * It is recommended reading if you are planning on implementing this method.
+ * 
+ * The dictionary of settings that are initially passed will be an empty dictionary.
+ * If you choose not to implement this method, or simply do not edit the dictionary,
+ * then the default settings will be used.
+ * That is, the kCFStreamSSLPeerName will be set to the configured host name,
+ * and the default security validation checks will be performed.
+ * 
+ * This means that authentication will fail if the name on the X509 certificate of
+ * the server does not match the value of the hostname for the xmpp stream.
+ * It will also fail if the certificate is self-signed, or if it is expired, etc.
+ * 
+ * These settings are most likely the right fit for most production environments,
+ * but may need to be tweaked for development or testing,
+ * where the development server may be using a self-signed certificate.
+ * 
+ * Note: If your development server is using a self-signed certificate,
+ * you likely need to add GCDAsyncSocketManuallyEvaluateTrust=YES to the settings.
+ * Then implement the xmppStream:didReceiveTrust:completionHandler: delegate method to perform custom validation.
+**/
+- (void)xmppStream:(XMPPStream *)sender willSecureWithSettings:(NSMutableDictionary *)settings;
+
+/**
+ * Allows a delegate to hook into the TLS handshake and manually validate the peer it's connecting to.
+ *
+ * This is only called if the stream is secured with settings that include:
+ * - GCDAsyncSocketManuallyEvaluateTrust == YES
+ * That is, if a delegate implements xmppStream:willSecureWithSettings:, and plugs in that key/value pair.
+ *
+ * Thus this delegate method is forwarding the TLS evaluation callback from the underlying GCDAsyncSocket.
+ *
+ * Typically the delegate will use SecTrustEvaluate (and related functions) to properly validate the peer.
+ *
+ * Note from Apple's documentation:
+ *   Because [SecTrustEvaluate] might look on the network for certificates in the certificate chain,
+ *   [it] might block while attempting network access. You should never call it from your main thread;
+ *   call it only from within a function running on a dispatch queue or on a separate thread.
+ *
+ * This is why this method uses a completionHandler block rather than a normal return value.
+ * The idea is that you should be performing SecTrustEvaluate on a background thread.
+ * The completionHandler block is thread-safe, and may be invoked from a background queue/thread.
+ * It is safe to invoke the completionHandler block even if the socket has been closed.
+ * 
+ * Keep in mind that you can do all kinds of cool stuff here.
+ * For example:
+ * 
+ * If your development server is using a self-signed certificate,
+ * then you could embed info about the self-signed cert within your app, and use this callback to ensure that
+ * you're actually connecting to the expected dev server.
+ * 
+ * Also, you could present certificates that don't pass SecTrustEvaluate to the client.
+ * That is, if SecTrustEvaluate comes back with problems, you could invoke the completionHandler with NO,
+ * and then ask the client if the cert can be trusted. This is similar to how most browsers act.
+ * 
+ * Generally, only one delegate should implement this method.
+ * However, if multiple delegates implement this method, then the first to invoke the completionHandler "wins".
+ * And subsequent invocations of the completionHandler are ignored.
+**/
+- (void)xmppStream:(XMPPStream *)sender didReceiveTrust:(SecTrustRef)trust
+                                      completionHandler:(void (^)(BOOL shouldTrustPeer))completionHandler;
+
+/**
+ * This method is called after the stream has been secured via SSL/TLS.
+ * This method may be called if the server required a secure connection during the opening process,
+ * or if the secureConnection: method was manually invoked.
+**/
+- (void)xmppStreamDidSecure:(XMPPStream *)sender;
+
+/**
+ * This method is called after the XML stream has been fully opened.
+ * More precisely, this method is called after an opening <xml/> and <stream:stream/> tag have been sent and received,
+ * and after the stream features have been received, and any required features have been fullfilled.
+ * At this point it's safe to begin communication with the server.
+**/
+- (void)xmppStreamDidConnect:(XMPPStream *)sender;
+
+/**
+ * This method is called after registration of a new user has successfully finished.
+ * If registration fails for some reason, the xmppStream:didNotRegister: method will be called instead.
+**/
+- (void)xmppStreamDidRegister:(XMPPStream *)sender;
+
+/**
+ * This method is called if registration fails.
+**/
+- (void)xmppStream:(XMPPStream *)sender didNotRegister:(NSXMLElement *)error;
+
+/**
+ * This method is called after authentication has successfully finished.
+ * If authentication fails for some reason, the xmppStream:didNotAuthenticate: method will be called instead.
+**/
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender;
+
+/**
+ * This method is called if authentication fails.
+**/
+- (void)xmppStream:(XMPPStream *)sender didNotAuthenticate:(NSXMLElement *)error;
+
+/**
+ * Binding a JID resource is a standard part of the authentication process,
+ * and occurs after SASL authentication completes (which generally authenticates the JID username).
+ * 
+ * This delegate method allows for a custom binding procedure to be used.
+ * For example:
+ * - a custom SASL authentication scheme might combine auth with binding
+ * - stream management (xep-0198) replaces binding if it can resume a previous session
+ * 
+ * Return nil (or don't implement this method) if you wish to use the standard binding procedure.
+**/
+- (id <XMPPCustomBinding>)xmppStreamWillBind:(XMPPStream *)sender;
+
+/**
+ * This method is called if the XMPP server doesn't allow our resource of choice
+ * because it conflicts with an existing resource.
+ * 
+ * Return an alternative resource or return nil to let the server automatically pick a resource for us.
+**/
+- (NSString *)xmppStream:(XMPPStream *)sender alternativeResourceForConflictingResource:(NSString *)conflictingResource;
+
+/**
+ * These methods are called before their respective XML elements are broadcast as received to the rest of the stack.
+ * These methods can be used to modify elements on the fly.
+ * (E.g. perform custom decryption so the rest of the stack sees readable text.)
+ * 
+ * You may also filter incoming elements by returning nil.
+ * 
+ * When implementing these methods to modify the element, you do not need to copy the given element.
+ * You can simply edit the given element, and return it.
+ * The reason these methods return an element, instead of void, is to allow filtering.
+ * 
+ * Concerning thread-safety, delegates implementing the method are invoked one-at-a-time to
+ * allow thread-safe modification of the given elements.
+ *
+ * You should NOT implement these methods unless you have good reason to do so.
+ * For general processing and notification of received elements, please use xmppStream:didReceiveX: methods.
+ * 
+ * @see xmppStream:didReceiveIQ:
+ * @see xmppStream:didReceiveMessage:
+ * @see xmppStream:didReceivePresence:
+**/
+- (XMPPIQ *)xmppStream:(XMPPStream *)sender willReceiveIQ:(XMPPIQ *)iq;
+- (XMPPMessage *)xmppStream:(XMPPStream *)sender willReceiveMessage:(XMPPMessage *)message;
+- (XMPPPresence *)xmppStream:(XMPPStream *)sender willReceivePresence:(XMPPPresence *)presence;
+
+/**
+ * This method is called if any of the xmppStream:willReceiveX: methods filter the incoming stanza.
+ * 
+ * It may be useful for some extensions to know that something was received,
+ * even if it was filtered for some reason.
+**/
+- (void)xmppStreamDidFilterStanza:(XMPPStream *)sender;
+
+/**
+ * These methods are called after their respective XML elements are received on the stream.
+ * 
+ * In the case of an IQ, the delegate method should return YES if it has or will respond to the given IQ.
+ * If the IQ is of type 'get' or 'set', and no delegates respond to the IQ,
+ * then xmpp stream will automatically send an error response.
+ * 
+ * Concerning thread-safety, delegates shouldn't modify the given elements.
+ * As documented in NSXML / KissXML, elements are read-access thread-safe, but write-access thread-unsafe.
+ * If you have need to modify an element for any reason,
+ * you should copy the element first, and then modify and use the copy.
+**/
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq;
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message;
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence;
+
+/**
+ * This method is called if an XMPP error is received.
+ * In other words, a <stream:error/>.
+ * 
+ * However, this method may also be called for any unrecognized xml stanzas.
+ * 
+ * Note that standard errors (<iq type='error'/> for example) are delivered normally,
+ * via the other didReceive...: methods.
+**/
+- (void)xmppStream:(XMPPStream *)sender didReceiveError:(NSXMLElement *)error;
+
+/**
+ * These methods are called before their respective XML elements are sent over the stream.
+ * These methods can be used to modify outgoing elements on the fly.
+ * (E.g. add standard information for custom protocols.)
+ * 
+ * You may also filter outgoing elements by returning nil.
+ * 
+ * When implementing these methods to modify the element, you do not need to copy the given element.
+ * You can simply edit the given element, and return it.
+ * The reason these methods return an element, instead of void, is to allow filtering.
+ * 
+ * Concerning thread-safety, delegates implementing the method are invoked one-at-a-time to
+ * allow thread-safe modification of the given elements.
+ * 
+ * You should NOT implement these methods unless you have good reason to do so.
+ * For general processing and notification of sent elements, please use xmppStream:didSendX: methods.
+ * 
+ * @see xmppStream:didSendIQ:
+ * @see xmppStream:didSendMessage:
+ * @see xmppStream:didSendPresence:
+**/
+- (XMPPIQ *)xmppStream:(XMPPStream *)sender willSendIQ:(XMPPIQ *)iq;
+- (XMPPMessage *)xmppStream:(XMPPStream *)sender willSendMessage:(XMPPMessage *)message;
+- (XMPPPresence *)xmppStream:(XMPPStream *)sender willSendPresence:(XMPPPresence *)presence;
+
+/**
+ * These methods are called after their respective XML elements are sent over the stream.
+ * These methods may be used to listen for certain events (such as an unavailable presence having been sent),
+ * or for general logging purposes. (E.g. a central history logging mechanism).
+**/
+- (void)xmppStream:(XMPPStream *)sender didSendIQ:(XMPPIQ *)iq;
+- (void)xmppStream:(XMPPStream *)sender didSendMessage:(XMPPMessage *)message;
+- (void)xmppStream:(XMPPStream *)sender didSendPresence:(XMPPPresence *)presence;
+
+/**
+ * These methods are called after failing to send the respective XML elements over the stream.
+ * This occurs when the stream gets disconnected before the element can get sent out.
+**/
+- (void)xmppStream:(XMPPStream *)sender didFailToSendIQ:(XMPPIQ *)iq error:(NSError *)error;
+- (void)xmppStream:(XMPPStream *)sender didFailToSendMessage:(XMPPMessage *)message error:(NSError *)error;
+- (void)xmppStream:(XMPPStream *)sender didFailToSendPresence:(XMPPPresence *)presence error:(NSError *)error;
+
+/**
+ * This method is called if the XMPP Stream's jid changes.
+**/
+- (void)xmppStreamDidChangeMyJID:(XMPPStream *)xmppStream;
+
+/**
+ * This method is called if the disconnect method is called.
+ * It may be used to determine if a disconnection was purposeful, or due to an error.
+ * 
+ * Note: A disconnect may be either "clean" or "dirty".
+ * A "clean" disconnect is when the stream sends the closing </stream:stream> stanza before disconnecting.
+ * A "dirty" disconnect is when the stream simply closes its TCP socket.
+ * In most cases it makes no difference how the disconnect occurs,
+ * but there are a few contexts in which the difference has various protocol implications.
+ * 
+ * @see xmppStreamDidSendClosingStreamStanza
+**/
+- (void)xmppStreamWasToldToDisconnect:(XMPPStream *)sender;
+
+/**
+ * This method is called after the stream has sent the closing </stream:stream> stanza.
+ * This signifies a "clean" disconnect.
+ * 
+ * Note: A disconnect may be either "clean" or "dirty".
+ * A "clean" disconnect is when the stream sends the closing </stream:stream> stanza before disconnecting.
+ * A "dirty" disconnect is when the stream simply closes its TCP socket.
+ * In most cases it makes no difference how the disconnect occurs,
+ * but there are a few contexts in which the difference has various protocol implications.
+**/
+- (void)xmppStreamDidSendClosingStreamStanza:(XMPPStream *)sender;
+
+/**
+ * This method is called if the XMPP stream's connect times out.
+**/
+- (void)xmppStreamConnectDidTimeout:(XMPPStream *)sender;
+
+/**
+ * This method is called after the stream is closed.
+ * 
+ * The given error parameter will be non-nil if the error was due to something outside the general xmpp realm.
+ * Some examples:
+ * - The TCP socket was unexpectedly disconnected.
+ * - The SRV resolution of the domain failed.
+ * - Error parsing xml sent from server.
+ * 
+ * @see xmppStreamConnectDidTimeout:
+**/
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error;
+
+/**
+ * This method is only used in P2P mode when the connectTo:withAddress: method was used.
+ * 
+ * It allows the delegate to read the <stream:features/> element if/when they arrive.
+ * Recall that the XEP specifies that <stream:features/> SHOULD be sent.
+**/
+- (void)xmppStream:(XMPPStream *)sender didReceiveP2PFeatures:(NSXMLElement *)streamFeatures;
+
+/**
+ * This method is only used in P2P mode when the connectTo:withSocket: method was used.
+ * 
+ * It allows the delegate to customize the <stream:features/> element,
+ * adding any specific featues the delegate might support.
+**/
+- (void)xmppStream:(XMPPStream *)sender willSendP2PFeatures:(NSXMLElement *)streamFeatures;
+
+/**
+ * These methods are called as xmpp modules are registered and unregistered with the stream.
+ * This generally corresponds to xmpp modules being initailzed and deallocated.
+ * 
+ * The methods may be useful, for example, if a more precise auto delegation mechanism is needed
+ * than what is available with the autoAddDelegate:toModulesOfClass: method.
+**/
+- (void)xmppStream:(XMPPStream *)sender didRegisterModule:(id)module;
+- (void)xmppStream:(XMPPStream *)sender willUnregisterModule:(id)module;
+
+/**
+ * Custom elements are Non-XMPP elements.
+ * In other words, not <iq>, <message> or <presence> elements.
+ * 
+ * Typically these kinds of elements are not allowed by the XMPP server.
+ * But some custom implementations may use them.
+ * The standard example is XEP-0198, which uses <r> & <a> elements.
+ * 
+ * If you're using custom elements, you must register the custom element name(s).
+ * Otherwise the xmppStream will treat non-XMPP elements as errors (xmppStream:didReceiveError:).
+ * 
+ * @see registerCustomElementNames (in XMPPInternal.h)
+**/
+- (void)xmppStream:(XMPPStream *)sender didSendCustomElement:(NSXMLElement *)element;
+- (void)xmppStream:(XMPPStream *)sender didReceiveCustomElement:(NSXMLElement *)element;
+
+@end
diff --git a/Core/XMPPStream.m b/Core/XMPPStream.m
new file mode 100644
index 0000000..1e329e9
--- /dev/null
+++ b/Core/XMPPStream.m
@@ -0,0 +1,5105 @@
+#import "XMPP.h"
+#import "XMPPParser.h"
+#import "XMPPLogging.h"
+#import "XMPPInternal.h"
+#import "XMPPIDTracker.h"
+#import "XMPPSRVResolver.h"
+#import "NSData+XMPP.h"
+
+#import <objc/runtime.h>
+#import <libkern/OSAtomic.h>
+
+#if TARGET_OS_IPHONE
+  // Note: You may need to add the CFNetwork Framework to your project
+  #import <CFNetwork/CFNetwork.h>
+#endif
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO | XMPP_LOG_FLAG_SEND_RECV; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+/**
+ * Seeing a return statements within an inner block
+ * can sometimes be mistaken for a return point of the enclosing method.
+ * This makes inline blocks a bit easier to read.
+**/
+#define return_from_block  return
+
+// Define the timeouts (in seconds) for retreiving various parts of the XML stream
+#define TIMEOUT_XMPP_WRITE         -1
+#define TIMEOUT_XMPP_READ_START    10
+#define TIMEOUT_XMPP_READ_STREAM   -1
+
+// Define the tags we'll use to differentiate what it is we're currently reading or writing
+#define TAG_XMPP_READ_START         100
+#define TAG_XMPP_READ_STREAM        101
+#define TAG_XMPP_WRITE_START        200
+#define TAG_XMPP_WRITE_STOP         201
+#define TAG_XMPP_WRITE_STREAM       202
+#define TAG_XMPP_WRITE_RECEIPT      203
+
+// Define the timeouts (in seconds) for SRV
+#define TIMEOUT_SRV_RESOLUTION 30.0
+
+NSString *const XMPPStreamErrorDomain = @"XMPPStreamErrorDomain";
+NSString *const XMPPStreamDidChangeMyJIDNotification = @"XMPPStreamDidChangeMyJID";
+
+const NSTimeInterval XMPPStreamTimeoutNone = -1;
+
+enum XMPPStreamFlags
+{
+	kP2PInitiator                 = 1 << 0,  // If set, we are the P2P initializer
+	kIsSecure                     = 1 << 1,  // If set, connection has been secured via SSL/TLS
+	kIsAuthenticated              = 1 << 2,  // If set, authentication has succeeded
+	kDidStartNegotiation          = 1 << 3,  // If set, negotiation has started at least once
+};
+
+enum XMPPStreamConfig
+{
+	kP2PMode                      = 1 << 0,  // If set, the XMPPStream was initialized in P2P mode
+	kResetByteCountPerConnection  = 1 << 1,  // If set, byte count should be reset per connection
+#if TARGET_OS_IPHONE
+	kEnableBackgroundingOnSocket  = 1 << 2,  // If set, the VoIP flag should be set on the socket
+#endif
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream ()
+{
+	dispatch_queue_t xmppQueue;
+	void *xmppQueueTag;
+	
+	dispatch_queue_t willSendIqQueue;
+	dispatch_queue_t willSendMessageQueue;
+	dispatch_queue_t willSendPresenceQueue;
+	
+	dispatch_queue_t willReceiveStanzaQueue;
+	
+	dispatch_queue_t didReceiveIqQueue;
+    
+	dispatch_source_t connectTimer;
+	
+	GCDMulticastDelegate <XMPPStreamDelegate> *multicastDelegate;
+	
+	XMPPStreamState state;
+	
+	GCDAsyncSocket *asyncSocket;
+	
+	uint64_t numberOfBytesSent;
+	uint64_t numberOfBytesReceived;
+	
+	XMPPParser *parser;
+	NSError *parserError;
+	NSError *otherError;
+	
+	Byte flags;
+	Byte config;
+	
+	NSString *hostName;
+	UInt16 hostPort;
+    
+    XMPPStreamStartTLSPolicy startTLSPolicy;
+    BOOL skipStartSession;
+    BOOL validatesResponses;
+	
+	id <XMPPSASLAuthentication> auth;
+	id <XMPPCustomBinding> customBinding;
+	NSDate *authenticationDate;
+	
+	XMPPJID *myJID_setByClient;
+	XMPPJID *myJID_setByServer;
+	XMPPJID *remoteJID;
+	
+	XMPPPresence *myPresence;
+	NSXMLElement *rootElement;
+	
+	NSTimeInterval keepAliveInterval;
+	dispatch_source_t keepAliveTimer;
+	NSTimeInterval lastSendReceiveTime;
+	NSData *keepAliveData;
+	
+	NSMutableArray *registeredModules;
+	NSMutableDictionary *autoDelegateDict;
+	
+	XMPPSRVResolver *srvResolver;
+	NSArray *srvResults;
+	NSUInteger srvResultsIndex;
+    
+    XMPPIDTracker *idTracker;
+	
+	NSMutableArray *receipts;
+	NSCountedSet *customElementNames;
+	
+	id userTag;
+}
+
+@end
+
+@interface XMPPElementReceipt (PrivateAPI)
+
+- (void)signalSuccess;
+- (void)signalFailure;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream
+
+@synthesize tag = userTag;
+
+/**
+ * Shared initialization between the various init methods.
+**/
+- (void)commonInit
+{
+	xmppQueueTag = &xmppQueueTag;
+	xmppQueue = dispatch_queue_create("xmpp", DISPATCH_QUEUE_SERIAL);
+	dispatch_queue_set_specific(xmppQueue, xmppQueueTag, xmppQueueTag, NULL);
+	
+	willSendIqQueue = dispatch_queue_create("xmpp.willSendIq", DISPATCH_QUEUE_SERIAL);
+	willSendMessageQueue = dispatch_queue_create("xmpp.willSendMessage", DISPATCH_QUEUE_SERIAL);
+	willSendPresenceQueue = dispatch_queue_create("xmpp.willSendPresence", DISPATCH_QUEUE_SERIAL);
+	
+	didReceiveIqQueue = dispatch_queue_create("xmpp.didReceiveIq", DISPATCH_QUEUE_SERIAL);
+	
+	multicastDelegate = (GCDMulticastDelegate <XMPPStreamDelegate> *)[[GCDMulticastDelegate alloc] init];
+	
+	state = STATE_XMPP_DISCONNECTED;
+	
+	flags = 0;
+	config = 0;
+	
+	numberOfBytesSent = 0;
+	numberOfBytesReceived = 0;
+	
+	hostPort = 5222;
+	keepAliveInterval = DEFAULT_KEEPALIVE_INTERVAL;
+	keepAliveData = [@" " dataUsingEncoding:NSUTF8StringEncoding];
+	
+	registeredModules = [[NSMutableArray alloc] init];
+	autoDelegateDict = [[NSMutableDictionary alloc] init];
+    
+    idTracker = [[XMPPIDTracker alloc] initWithStream:self dispatchQueue:xmppQueue];
+	
+	receipts = [[NSMutableArray alloc] init];
+}
+
+/**
+ * Standard XMPP initialization.
+ * The stream is a standard client to server connection.
+**/
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		// Common initialization
+		[self commonInit];
+		
+		// Initialize socket
+		asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:xmppQueue];
+	}
+	return self;
+}
+
+/**
+ * Peer to Peer XMPP initialization.
+ * The stream is a direct client to client connection as outlined in XEP-0174.
+**/
+- (id)initP2PFrom:(XMPPJID *)jid
+{
+    if ((self = [super init]))
+    {
+		// Common initialization
+		[self commonInit];
+		
+		// Store JID
+		myJID_setByClient = jid;
+        
+        // We do not initialize the socket, since the connectP2PWithSocket: method might be used.
+        
+        // Initialize configuration
+        config = kP2PMode;
+    }
+	return self;
+}
+
+/**
+ * Standard deallocation method.
+ * Every object variable declared in the header file should be released here.
+**/
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	dispatch_release(xmppQueue);
+	
+	dispatch_release(willSendIqQueue);
+	dispatch_release(willSendMessageQueue);
+	dispatch_release(willSendPresenceQueue);
+	
+	if (willReceiveStanzaQueue) {
+		dispatch_release(willReceiveStanzaQueue);
+	}
+	
+	dispatch_release(didReceiveIqQueue);
+	#endif
+	
+	[asyncSocket setDelegate:nil delegateQueue:NULL];
+	[asyncSocket disconnect];
+	
+	[parser setDelegate:nil delegateQueue:NULL];
+	
+	if (keepAliveTimer)
+	{
+		dispatch_source_cancel(keepAliveTimer);
+	}
+    
+    [idTracker removeAllIDs];
+    
+	for (XMPPElementReceipt *receipt in receipts)
+	{
+		[receipt signalFailure];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize xmppQueue;
+@synthesize xmppQueueTag;
+
+- (XMPPStreamState)state
+{
+	__block XMPPStreamState result = STATE_XMPP_DISCONNECTED;
+	
+	dispatch_block_t block = ^{
+		result = state;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (NSString *)hostName
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return hostName;
+	}
+	else
+	{
+		__block NSString *result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = hostName;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setHostName:(NSString *)newHostName
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		if (hostName != newHostName)
+		{
+			hostName = [newHostName copy];
+		}
+	}
+	else
+	{
+		NSString *newHostNameCopy = [newHostName copy];
+		
+		dispatch_async(xmppQueue, ^{
+			hostName = newHostNameCopy;
+		});
+		
+	}
+}
+
+- (UInt16)hostPort
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return hostPort;
+	}
+	else
+	{
+		__block UInt16 result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = hostPort;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setHostPort:(UInt16)newHostPort
+{
+	dispatch_block_t block = ^{
+		hostPort = newHostPort;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (XMPPStreamStartTLSPolicy)startTLSPolicy
+{
+    __block XMPPStreamStartTLSPolicy result;
+    
+    dispatch_block_t block = ^{
+        result = startTLSPolicy;
+    };
+    
+    if (dispatch_get_specific(xmppQueueTag))
+        block();
+    else
+        dispatch_sync(xmppQueue, block);
+    
+    return result;
+}
+
+- (void)setStartTLSPolicy:(XMPPStreamStartTLSPolicy)flag
+{
+	dispatch_block_t block = ^{
+		startTLSPolicy = flag;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (XMPPJID *)myJID
+{
+	__block XMPPJID *result = nil;
+	
+	dispatch_block_t block = ^{
+		
+		if (myJID_setByServer)
+			result = myJID_setByServer;
+		else
+			result = myJID_setByClient;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setMyJID_setByClient:(XMPPJID *)newMyJID
+{
+	// XMPPJID is an immutable class (copy == retain)
+	
+	dispatch_block_t block = ^{
+		
+		if (![myJID_setByClient isEqualToJID:newMyJID])
+		{
+			myJID_setByClient = newMyJID;
+			
+			if (myJID_setByServer == nil)
+			{
+				[[NSNotificationCenter defaultCenter] postNotificationName:XMPPStreamDidChangeMyJIDNotification
+				                                                    object:self];
+                [multicastDelegate xmppStreamDidChangeMyJID:self];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)setMyJID_setByServer:(XMPPJID *)newMyJID
+{
+	// XMPPJID is an immutable class (copy == retain)
+	
+	dispatch_block_t block = ^{
+		
+		if (![myJID_setByServer isEqualToJID:newMyJID])
+		{
+			XMPPJID *oldMyJID;
+			if (myJID_setByServer)
+				oldMyJID = myJID_setByServer;
+			else
+				oldMyJID = myJID_setByClient;
+			
+			myJID_setByServer = newMyJID;
+			
+			if (![oldMyJID isEqualToJID:newMyJID])
+			{
+				[[NSNotificationCenter defaultCenter] postNotificationName:XMPPStreamDidChangeMyJIDNotification
+				                                                    object:self];
+                [multicastDelegate xmppStreamDidChangeMyJID:self];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)setMyJID:(XMPPJID *)newMyJID
+{
+	[self setMyJID_setByClient:newMyJID];
+}
+
+- (XMPPJID *)remoteJID
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return remoteJID;
+	}
+	else
+	{
+		__block XMPPJID *result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = remoteJID;
+		});
+		
+		return result;
+	}
+}
+
+- (XMPPPresence *)myPresence
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return myPresence;
+	}
+	else
+	{
+		__block XMPPPresence *result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = myPresence;
+		});
+		
+		return result;
+	}
+}
+
+- (NSTimeInterval)keepAliveInterval
+{
+	__block NSTimeInterval result = 0.0;
+	
+	dispatch_block_t block = ^{
+		result = keepAliveInterval;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setKeepAliveInterval:(NSTimeInterval)interval
+{
+	dispatch_block_t block = ^{
+		
+		if (keepAliveInterval != interval)
+		{
+			if (interval <= 0.0)
+				keepAliveInterval = interval;
+			else
+				keepAliveInterval = MAX(interval, MIN_KEEPALIVE_INTERVAL);
+			
+			[self setupKeepAliveTimer];
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (char)keepAliveWhitespaceCharacter
+{
+	__block char keepAliveChar = ' ';
+	
+	dispatch_block_t block = ^{
+		
+		NSString *keepAliveString = [[NSString alloc] initWithData:keepAliveData encoding:NSUTF8StringEncoding];
+		if ([keepAliveString length] > 0)
+		{
+			keepAliveChar = (char)[keepAliveString characterAtIndex:0];
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return keepAliveChar;
+}
+
+- (void)setKeepAliveWhitespaceCharacter:(char)keepAliveChar
+{
+	dispatch_block_t block = ^{
+		
+		if (keepAliveChar == ' ' || keepAliveChar == '\n' || keepAliveChar == '\t')
+		{
+			keepAliveData = [[NSString stringWithFormat:@"%c", keepAliveChar] dataUsingEncoding:NSUTF8StringEncoding];
+		}
+		else
+		{
+			XMPPLogWarn(@"Invalid whitespace character! Must be: space, newline, or tab");
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (uint64_t)numberOfBytesSent
+{
+	__block uint64_t result = 0;
+	
+	dispatch_block_t block = ^{
+		result = numberOfBytesSent;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (uint64_t)numberOfBytesReceived
+{
+	__block uint64_t result = 0;
+	
+	dispatch_block_t block = ^{
+		result = numberOfBytesReceived;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)getNumberOfBytesSent:(uint64_t *)bytesSentPtr numberOfBytesReceived:(uint64_t *)bytesReceivedPtr
+{
+	__block uint64_t bytesSent = 0;
+	__block uint64_t bytesReceived = 0;
+	
+	dispatch_block_t block = ^{
+		bytesSent = numberOfBytesSent;
+		bytesReceived = numberOfBytesReceived;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (bytesSentPtr) *bytesSentPtr = bytesSent;
+	if (bytesReceivedPtr) *bytesReceivedPtr = bytesReceived;
+}
+
+- (BOOL)resetByteCountPerConnection
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kResetByteCountPerConnection) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setResetByteCountPerConnection:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		if (flag)
+			config |= kResetByteCountPerConnection;
+		else
+			config &= ~kResetByteCountPerConnection;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (BOOL)skipStartSession
+{
+    __block BOOL result = NO;
+    
+    dispatch_block_t block = ^{
+        result = skipStartSession;
+    };
+    
+    if (dispatch_get_specific(xmppQueueTag))
+        block();
+    else
+        dispatch_sync(xmppQueue, block);
+    
+    return result;
+}
+
+- (void)setSkipStartSession:(BOOL)flag
+{
+    dispatch_block_t block = ^{
+        skipStartSession = flag;
+    };
+    
+    if (dispatch_get_specific(xmppQueueTag))
+        block();
+    else
+        dispatch_async(xmppQueue, block);
+}
+
+- (BOOL)validatesResponses
+{
+    __block BOOL result = NO;
+    
+    dispatch_block_t block = ^{
+        result = validatesResponses;
+    };
+    
+    if (dispatch_get_specific(xmppQueueTag))
+        block();
+    else
+        dispatch_sync(xmppQueue, block);
+    
+    return result;
+}
+
+- (void)setValidatesResponses:(BOOL)flag
+{
+    dispatch_block_t block = ^{
+        validatesResponses = flag;
+    };
+    
+    if (dispatch_get_specific(xmppQueueTag))
+        block();
+    else
+        dispatch_async(xmppQueue, block);
+}
+
+#if TARGET_OS_IPHONE
+
+- (BOOL)enableBackgroundingOnSocket
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kEnableBackgroundingOnSocket) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setEnableBackgroundingOnSocket:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		if (flag)
+			config |= kEnableBackgroundingOnSocket;
+		else
+			config &= ~kEnableBackgroundingOnSocket;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	// Asynchronous operation (if outside xmppQueue)
+	
+	dispatch_block_t block = ^{
+		[multicastDelegate addDelegate:delegate delegateQueue:delegateQueue];
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	// Synchronous operation
+	
+	dispatch_block_t block = ^{
+		[multicastDelegate removeDelegate:delegate delegateQueue:delegateQueue];
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)removeDelegate:(id)delegate
+{
+	// Synchronous operation
+	
+	dispatch_block_t block = ^{
+		[multicastDelegate removeDelegate:delegate];
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+/**
+ * Returns YES if the stream was opened in P2P mode.
+ * In other words, the stream was created via initP2PFrom: to use XEP-0174.
+**/
+- (BOOL)isP2P
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return (config & kP2PMode) ? YES : NO;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = (config & kP2PMode) ? YES : NO;
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)isP2PInitiator
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return ((config & kP2PMode) && (flags & kP2PInitiator));
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = ((config & kP2PMode) && (flags & kP2PInitiator));
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)isP2PRecipient
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return ((config & kP2PMode) && !(flags & kP2PInitiator));
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = ((config & kP2PMode) && !(flags & kP2PInitiator));
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)didStartNegotiation
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	return (flags & kDidStartNegotiation) ? YES : NO;
+}
+
+- (void)setDidStartNegotiation:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	if (flag)
+		flags |= kDidStartNegotiation;
+	else
+		flags &= ~kDidStartNegotiation;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Connection State
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns YES if the connection is closed, and thus no stream is open.
+ * If the stream is neither disconnected, nor connected, then a connection is currently being established.
+**/
+- (BOOL)isDisconnected
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (state == STATE_XMPP_DISCONNECTED);
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+/**
+ * Returns YES is the connection is currently connecting
+ **/
+
+- (BOOL)isConnecting
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		result = (state == STATE_XMPP_CONNECTING);
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+/**
+ * Returns YES if the connection is open, and the stream has been properly established.
+ * If the stream is neither disconnected, nor connected, then a connection is currently being established.
+**/
+- (BOOL)isConnected
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (state == STATE_XMPP_CONNECTED);
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Connect Timeout
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Start Connect Timeout
+**/
+- (void)startConnectTimeout:(NSTimeInterval)timeout
+{
+    XMPPLogTrace();
+
+	if (timeout >= 0.0 && !connectTimer)
+	{
+		connectTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, xmppQueue);
+		
+		dispatch_source_set_event_handler(connectTimer, ^{ @autoreleasepool {
+			
+			[self doConnectTimeout];
+		}});
+		
+#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theConnectTimer = connectTimer;
+		dispatch_source_set_cancel_handler(connectTimer, ^{            
+            XMPPLogVerbose(@"%@: dispatch_release(connectTimer)", THIS_FILE);
+			dispatch_release(theConnectTimer);
+		});
+#endif
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+		dispatch_source_set_timer(connectTimer, tt, DISPATCH_TIME_FOREVER, 0);
+		
+		dispatch_resume(connectTimer);
+	}
+}
+
+/**
+ * End Connect Timeout
+**/
+- (void)endConnectTimeout
+{
+	XMPPLogTrace();
+	
+	if (connectTimer)
+	{
+		dispatch_source_cancel(connectTimer);
+		connectTimer = NULL;
+	}
+}
+
+/**
+ * Connect has timed out, so inform the delegates and close the connection
+**/
+- (void)doConnectTimeout
+{
+	XMPPLogTrace();
+	
+	[self endConnectTimeout];
+    		
+    if (state != STATE_XMPP_DISCONNECTED)
+    {
+        [multicastDelegate xmppStreamConnectDidTimeout:self];
+
+        if (state == STATE_XMPP_RESOLVING_SRV)
+        {
+            [srvResolver stop];
+            srvResolver = nil;
+            
+            state = STATE_XMPP_DISCONNECTED;
+        }
+        else
+        {
+            [asyncSocket disconnect];
+            
+            // Everthing will be handled in socketDidDisconnect:withError:
+        }
+    }
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark C2S Connection
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)connectToHost:(NSString *)host onPort:(UInt16)port withTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	BOOL result = [asyncSocket connectToHost:host onPort:port error:errPtr];
+	
+	if (result && [self resetByteCountPerConnection])
+	{
+		numberOfBytesSent = 0;
+		numberOfBytesReceived = 0;
+	}
+	
+	if(result)
+    {
+        [self startConnectTimeout:timeout];
+    }
+	
+	return result;
+}
+
+- (BOOL)connectWithTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+	
+		if (state != STATE_XMPP_DISCONNECTED)
+		{
+			NSString *errMsg = @"Attempting to connect while already connected or connecting.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if ([self isP2P])
+		{
+			NSString *errMsg = @"P2P streams must use either connectTo:withAddress: or connectP2PWithSocket:.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidType userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (myJID_setByClient == nil)
+		{
+			// Note: If you wish to use anonymous authentication, you should still set myJID prior to calling connect.
+			// You can simply set it to something like "anonymous@<domain>", where "<domain>" is the proper domain.
+			// After the authentication process, you can query the myJID property to see what your assigned JID is.
+			// 
+			// Setting myJID allows the framework to follow the xmpp protocol properly,
+			// and it allows the framework to connect to servers without a DNS entry.
+			// 
+			// For example, one may setup a private xmpp server for internal testing on their local network.
+			// The xmpp domain of the server may be something like "testing.mycompany.com",
+			// but since the server is internal, an IP (192.168.1.22) is used as the hostname to connect.
+			// 
+			// Proper connection requires a TCP connection to the IP (192.168.1.22),
+			// but the xmpp handshake requires the xmpp domain (testing.mycompany.com).
+			
+			NSString *errMsg = @"You must set myJID before calling connect.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidProperty userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+
+		// Notify delegates
+		[multicastDelegate xmppStreamWillConnect:self];
+
+		if ([hostName length] == 0)
+		{
+			// Resolve the hostName via myJID SRV resolution
+			
+			state = STATE_XMPP_RESOLVING_SRV;
+			
+			srvResolver = [[XMPPSRVResolver alloc] initWithdDelegate:self delegateQueue:xmppQueue resolverQueue:NULL];
+			
+			srvResults = nil;
+			srvResultsIndex = 0;
+			
+			NSString *srvName = [XMPPSRVResolver srvNameFromXMPPDomain:[myJID_setByClient domain]];
+			
+			[srvResolver startWithSRVName:srvName timeout:TIMEOUT_SRV_RESOLUTION];
+			
+			result = YES;
+		}
+		else
+		{
+			// Open TCP connection to the configured hostName.
+			
+			state = STATE_XMPP_CONNECTING;
+			
+			NSError *connectErr = nil;
+			result = [self connectToHost:hostName onPort:hostPort withTimeout:XMPPStreamTimeoutNone error:&connectErr];
+			
+			if (!result)
+			{
+				err = connectErr;
+				state = STATE_XMPP_DISCONNECTED;
+			}
+		}
+        
+        if(result)
+        {
+            [self startConnectTimeout:timeout];
+        }
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+- (BOOL)oldSchoolSecureConnectWithTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Go through the regular connect routine
+		NSError *connectErr = nil;
+		result = [self connectWithTimeout:timeout error:&connectErr];
+		
+		if (result)
+		{
+			// Mark the secure flag.
+			// We will check the flag in socket:didConnectToHost:port:
+			
+			[self setIsSecure:YES];
+		}
+		else
+		{
+			err = connectErr;
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark P2P Connection
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Starts a P2P connection to the given user and given address.
+ * This method only works with XMPPStream objects created using the initP2P method.
+ * 
+ * The given address is specified as a sockaddr structure wrapped in a NSData object.
+ * For example, a NSData object returned from NSNetservice's addresses method.
+**/
+- (BOOL)connectTo:(XMPPJID *)jid withAddress:(NSData *)remoteAddr withTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_DISCONNECTED)
+		{
+			NSString *errMsg = @"Attempting to connect while already connected or connecting.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (![self isP2P])
+		{
+			NSString *errMsg = @"Non P2P streams must use the connect: method";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidType userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		// Turn on P2P initiator flag
+		flags |= kP2PInitiator;
+		
+		// Store remoteJID
+		remoteJID = [jid copy];
+		
+		NSAssert((asyncSocket == nil), @"Forgot to release the previous asyncSocket instance.");
+
+		// Notify delegates
+		[multicastDelegate xmppStreamWillConnect:self];
+
+		// Update state
+		state = STATE_XMPP_CONNECTING;
+		
+		// Initailize socket
+		asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:xmppQueue];
+		
+		NSError *connectErr = nil;
+		result = [asyncSocket connectToAddress:remoteAddr error:&connectErr];
+		
+		if (result == NO)
+		{
+			err = connectErr;
+			state = STATE_XMPP_DISCONNECTED;
+		}
+		else if ([self resetByteCountPerConnection])
+		{
+			numberOfBytesSent = 0;
+			numberOfBytesReceived = 0;
+		}
+        
+        if(result)
+        {
+            [self startConnectTimeout:timeout];
+        }
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+/**
+ * Starts a P2P connection with the given accepted socket.
+ * This method only works with XMPPStream objects created using the initP2P method.
+ * 
+ * The given socket should be a socket that has already been accepted.
+ * The remoteJID will be extracted from the opening stream negotiation.
+**/
+- (BOOL)connectP2PWithSocket:(GCDAsyncSocket *)acceptedSocket error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_DISCONNECTED)
+		{
+			NSString *errMsg = @"Attempting to connect while already connected or connecting.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (![self isP2P])
+		{
+			NSString *errMsg = @"Non P2P streams must use the connect: method";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidType userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (acceptedSocket == nil)
+		{
+			NSString *errMsg = @"Parameter acceptedSocket is nil.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidParameter userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		// Turn off P2P initiator flag
+		flags &= ~kP2PInitiator;
+		
+		NSAssert((asyncSocket == nil), @"Forgot to release the previous asyncSocket instance.");
+		
+		// Store and configure socket
+		asyncSocket = acceptedSocket;
+		[asyncSocket setDelegate:self delegateQueue:xmppQueue];
+		
+		// Notify delegates
+		[multicastDelegate xmppStream:self socketDidConnect:asyncSocket];
+
+		// Update state
+		state = STATE_XMPP_CONNECTING;
+		
+		if ([self resetByteCountPerConnection])
+		{
+			numberOfBytesSent = 0;
+			numberOfBytesReceived = 0;
+		}
+		
+		// Start the XML stream
+		[self startNegotiation];
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+    return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Disconnect
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Closes the connection to the remote host.
+**/
+- (void)disconnect
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_DISCONNECTED)
+		{
+			[multicastDelegate xmppStreamWasToldToDisconnect:self];
+			
+			if (state == STATE_XMPP_RESOLVING_SRV)
+			{
+				[srvResolver stop];
+				srvResolver = nil;
+				
+				state = STATE_XMPP_DISCONNECTED;
+				
+				[multicastDelegate xmppStreamDidDisconnect:self withError:nil];
+			}
+			else
+			{
+				[asyncSocket disconnect];
+				
+				// Everthing will be handled in socketDidDisconnect:withError:
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)disconnectAfterSending
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_DISCONNECTED)
+		{
+			[multicastDelegate xmppStreamWasToldToDisconnect:self];
+			
+			if (state == STATE_XMPP_RESOLVING_SRV)
+			{
+				[srvResolver stop];
+				srvResolver = nil;
+				
+				state = STATE_XMPP_DISCONNECTED;
+				
+				[multicastDelegate xmppStreamDidDisconnect:self withError:nil];
+			}
+			else
+			{
+				NSString *termStr = @"</stream:stream>";
+				NSData *termData = [termStr dataUsingEncoding:NSUTF8StringEncoding];
+				
+				XMPPLogSend(@"SEND: %@", termStr);
+				numberOfBytesSent += [termData length];
+				
+				[asyncSocket writeData:termData withTimeout:TIMEOUT_XMPP_WRITE tag:TAG_XMPP_WRITE_STOP];
+				[asyncSocket disconnectAfterWriting];
+				
+				// Everthing will be handled in socketDidDisconnect:withError:
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Security
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns YES if SSL/TLS has been used to secure the connection.
+**/
+- (BOOL)isSecure
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return (flags & kIsSecure) ? YES : NO;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = (flags & kIsSecure) ? YES : NO;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setIsSecure:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		if(flag)
+			flags |= kIsSecure;
+		else
+			flags &= ~kIsSecure;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (BOOL)supportsStartTLS
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *starttls = [features elementForName:@"starttls" xmlns:@"urn:ietf:params:xml:ns:xmpp-tls"];
+			
+			result = (starttls != nil);
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)sendStartTLSRequest
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	NSString *starttls = @"<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
+	
+	NSData *outgoingData = [starttls dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", starttls);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+			   withTimeout:TIMEOUT_XMPP_WRITE
+					   tag:TAG_XMPP_WRITE_STREAM];
+}
+
+- (BOOL)secureConnection:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_CONNECTED)
+		{
+			NSString *errMsg = @"Please wait until the stream is connected.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if ([self isSecure])
+		{
+			NSString *errMsg = @"The connection is already secure.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (![self supportsStartTLS])
+		{
+			NSString *errMsg = @"The server does not support startTLS.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		// Update state
+		state = STATE_XMPP_STARTTLS_1;
+		
+		// Send the startTLS XML request
+		[self sendStartTLSRequest];
+		
+		// We do not mark the stream as secure yet.
+		// We're waiting to receive the <proceed/> response from the
+		// server before we actually start the TLS handshake.
+		
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Registration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method checks the stream features of the connected server to determine if in-band registartion is supported.
+ * If we are not connected to a server, this method simply returns NO.
+**/
+- (BOOL)supportsInBandRegistration
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *reg = [features elementForName:@"register" xmlns:@"http://jabber.org/features/iq-register"];
+			
+			result = (reg != nil);
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+/**
+ * This method attempts to register a new user on the server using the given elements.
+ * The result of this action will be returned via the delegate methods.
+ *
+ * If the XMPPStream is not connected, or the server doesn't support in-band registration, this method does nothing.
+**/
+- (BOOL)registerWithElements:(NSArray *)elements error:(NSError **)errPtr
+{
+    XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_CONNECTED)
+		{
+			NSString *errMsg = @"Please wait until the stream is connected.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (![self supportsInBandRegistration])
+		{
+			NSString *errMsg = @"The server does not support in band registration.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+        
+		NSXMLElement *queryElement = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+        
+        for(NSXMLElement *element in elements)
+        {
+            [queryElement addChild:element];
+        }
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+		[iq addChild:queryElement];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+		           withTimeout:TIMEOUT_XMPP_WRITE
+		                   tag:TAG_XMPP_WRITE_STREAM];
+		
+		// Update state
+		state = STATE_XMPP_REGISTERING;
+		
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+    
+}
+
+/**
+ * This method attempts to register a new user on the server using the given username and password.
+ * The result of this action will be returned via the delegate methods.
+ * 
+ * If the XMPPStream is not connected, or the server doesn't support in-band registration, this method does nothing.
+**/
+- (BOOL)registerWithPassword:(NSString *)password error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (myJID_setByClient == nil)
+		{
+			NSString *errMsg = @"You must set myJID before calling registerWithPassword:error:.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidProperty userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		NSString *username = [myJID_setByClient user];
+		
+		NSMutableArray *elements = [NSMutableArray array];
+		[elements addObject:[NSXMLElement elementWithName:@"username" stringValue:username]];
+		[elements addObject:[NSXMLElement elementWithName:@"password" stringValue:password]];
+        
+        [self registerWithElements:elements error:errPtr];
+        
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Authentication
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSArray *)supportedAuthenticationMechanisms
+{
+	__block NSMutableArray *result = [[NSMutableArray alloc] init];
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required).
+		
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *mech = [features elementForName:@"mechanisms" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+			
+			NSArray *mechanisms = [mech elementsForName:@"mechanism"];
+			
+			for (NSXMLElement *mechanism in mechanisms)
+			{
+				[result addObject:[mechanism stringValue]];
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+/**
+ * This method checks the stream features of the connected server to determine
+ * if the given authentication mechanism is supported.
+ * 
+ * If we are not connected to a server, this method simply returns NO.
+**/
+- (BOOL)supportsAuthenticationMechanism:(NSString *)mechanismType
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for authentication mechanisms anytime after the
+		// stream:features are received, and TLS has been setup (if required).
+		
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *mech = [features elementForName:@"mechanisms" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
+			
+			NSArray *mechanisms = [mech elementsForName:@"mechanism"];
+			
+			for (NSXMLElement *mechanism in mechanisms)
+			{
+				if ([[mechanism stringValue] isEqualToString:mechanismType])
+				{
+					result = YES;
+					break;
+				}
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (BOOL)authenticate:(id <XMPPSASLAuthentication>)inAuth error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_CONNECTED)
+		{
+			NSString *errMsg = @"Please wait until the stream is connected.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (myJID_setByClient == nil)
+		{
+			NSString *errMsg = @"You must set myJID before calling authenticate:error:.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidProperty userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		// Change state.
+		// We do this now because when we invoke the start method below,
+		// it may in turn invoke our sendAuthElement method, which expects us to be in STATE_XMPP_AUTH.
+		state = STATE_XMPP_AUTH;
+		
+		if ([inAuth start:&err])
+		{
+			auth = inAuth;
+			result = YES;
+		}
+		else
+		{
+			// Unable to start authentication for some reason.
+			// Revert back to connected state.
+			state = STATE_XMPP_CONNECTED;
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+/**
+ * This method applies to standard password authentication schemes only.
+ * This is NOT the primary authentication method.
+ * 
+ * @see authenticate:error:
+ * 
+ * This method exists for backwards compatibility, and may disappear in future versions.
+**/
+- (BOOL)authenticateWithPassword:(NSString *)inPassword error:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	// The given password parameter could be mutable
+	NSString *password = [inPassword copy];
+	
+	
+	__block BOOL result = YES;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_CONNECTED)
+		{
+			NSString *errMsg = @"Please wait until the stream is connected.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		if (myJID_setByClient == nil)
+		{
+			NSString *errMsg = @"You must set myJID before calling authenticate:error:.";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidProperty userInfo:info];
+			
+			result = NO;
+			return_from_block;
+		}
+		
+		// Choose the best authentication method.
+		// 
+		// P.S. - This method is deprecated.
+		
+		id <XMPPSASLAuthentication> someAuth = nil;
+        
+		if ([self supportsSCRAMSHA1Authentication])
+		{
+			someAuth = [[XMPPSCRAMSHA1Authentication alloc] initWithStream:self password:password];
+			result = [self authenticate:someAuth error:&err];
+		}
+		else if ([self supportsDigestMD5Authentication])
+		{
+			someAuth = [[XMPPDigestMD5Authentication alloc] initWithStream:self password:password];
+			result = [self authenticate:someAuth error:&err];
+		}
+		else if ([self supportsPlainAuthentication])
+		{
+			someAuth = [[XMPPPlainAuthentication alloc] initWithStream:self password:password];
+			result = [self authenticate:someAuth error:&err];
+		}
+		else if ([self supportsDeprecatedDigestAuthentication])
+		{
+			someAuth = [[XMPPDeprecatedDigestAuthentication alloc] initWithStream:self password:password];
+			result = [self authenticate:someAuth error:&err];
+		}
+		else if ([self supportsDeprecatedPlainAuthentication])
+		{
+			someAuth = [[XMPPDeprecatedDigestAuthentication alloc] initWithStream:self password:password];
+			result = [self authenticate:someAuth error:&err];
+		}
+		else
+		{
+			NSString *errMsg = @"No suitable authentication method found";
+			NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+			
+			err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+			
+			result = NO;
+		}
+	}};
+	
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	if (errPtr)
+		*errPtr = err;
+	
+	return result;
+}
+
+- (BOOL)isAuthenticating
+{		
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		result = (state == STATE_XMPP_AUTH);
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+
+	return result;
+}
+
+- (BOOL)isAuthenticated
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kIsAuthenticated) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+- (void)setIsAuthenticated:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		if(flag)
+		{
+			flags |= kIsAuthenticated;
+			authenticationDate = [NSDate date];
+		}
+		else
+		{
+			flags &= ~kIsAuthenticated;
+			authenticationDate = nil;
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (NSDate *)authenticationDate
+{
+	__block NSDate *result = nil;
+	
+	dispatch_block_t block = ^{
+		if(flags & kIsAuthenticated)
+		{
+			result =  authenticationDate;
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Compression
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSArray *)supportedCompressionMethods
+{
+	__block NSMutableArray *result = [[NSMutableArray alloc] init];
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for compression methods anytime after the
+		// stream:features are received, and TLS has been setup (if required).
+		
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *compression = [features elementForName:@"compression" xmlns:@"http://jabber.org/features/compress"];
+			
+			NSArray *methods = [compression elementsForName:@"method"];
+			
+			for (NSXMLElement *method in methods)
+			{
+				[result addObject:[method stringValue]];
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+/**
+ * This method checks the stream features of the connected server to determine
+ * if the given compression method is supported.
+ *
+ * If we are not connected to a server, this method simply returns NO.
+**/
+- (BOOL)supportsCompressionMethod:(NSString *)compressionMethod
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried for compression methods anytime after the
+		// stream:features are received, and TLS has been setup (if required).
+		
+		if (state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+			NSXMLElement *compression = [features elementForName:@"compression" xmlns:@"http://jabber.org/features/compress"];
+			
+			NSArray *methods = [compression elementsForName:@"method"];
+			
+			for (NSXMLElement *method in methods)
+			{
+				if ([[method stringValue] isEqualToString:compressionMethod])
+				{
+					result = YES;
+					break;
+				}
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark General Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method will return the root element of the document.
+ * This element contains the opening <stream:stream/> and <stream:features/> tags received from the server
+ * when the XML stream was opened.
+ * 
+ * Note: The rootElement is empty, and does not contain all the XML elements the stream has received during it's
+ * connection.  This is done for performance reasons and for the obvious benefit of being more memory efficient.
+**/
+- (NSXMLElement *)rootElement
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return rootElement;
+	}
+	else
+	{
+		__block NSXMLElement *result = nil;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = [rootElement copy];
+		});
+		
+		return result;
+	}
+}
+
+/**
+ * Returns the version attribute from the servers's <stream:stream/> element.
+ * This should be at least 1.0 to be RFC 3920 compliant.
+ * If no version number was set, the server is not RFC compliant, and 0 is returned.
+**/
+- (float)serverXmppStreamVersionNumber
+{
+	if (dispatch_get_specific(xmppQueueTag))
+	{
+		return [rootElement attributeFloatValueForName:@"version" withDefaultValue:0.0F];
+	}
+	else
+	{
+		__block float result;
+		
+		dispatch_sync(xmppQueue, ^{
+			result = [rootElement attributeFloatValueForName:@"version" withDefaultValue:0.0F];
+		});
+		
+		return result;
+	}
+}
+
+- (void)sendIQ:(XMPPIQ *)iq withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to send an IQ.
+	// Notify delegates to allow them to optionally alter/filter the outgoing IQ.
+	
+	SEL selector = @selector(xmppStream:willSendIQ:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		[self continueSendIQ:iq withTag:tag];
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_async(willSendIqQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify and/or filter outgoing element
+			
+			__block XMPPIQ *modifiedIQ = iq;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedIQ && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				#if DEBUG
+				{
+					char methodReturnType[32];
+				
+					Method method = class_getInstanceMethod([del class], selector);
+					method_getReturnType(method, methodReturnType, sizeof(methodReturnType));
+				
+					if (strcmp(methodReturnType, @encode(XMPPIQ*)) != 0)
+					{
+						NSAssert(NO, @"Method xmppStream:willSendIQ: is no longer void (see XMPPStream.h). "
+						             @"Culprit = %@", NSStringFromClass([del class]));
+					}
+				}
+				#endif
+				
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedIQ = [del xmppStream:self willSendIQ:modifiedIQ];
+					
+				}});
+			}
+			
+			if (modifiedIQ)
+			{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueSendIQ:modifiedIQ withTag:tag];
+					} else {
+						[self failToSendIQ:modifiedIQ];
+					}
+				}});
+			}
+		}});
+	}
+}
+
+- (void)sendMessage:(XMPPMessage *)message withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to send a message.
+	// Notify delegates to allow them to optionally alter/filter the outgoing message.
+	
+	SEL selector = @selector(xmppStream:willSendMessage:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		[self continueSendMessage:message withTag:tag];
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_async(willSendMessageQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify outgoing element
+			
+			__block XMPPMessage *modifiedMessage = message;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedMessage && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				#if DEBUG
+				{
+					char methodReturnType[32];
+				
+					Method method = class_getInstanceMethod([del class], selector);
+					method_getReturnType(method, methodReturnType, sizeof(methodReturnType));
+				
+					if (strcmp(methodReturnType, @encode(XMPPMessage*)) != 0)
+					{
+						NSAssert(NO, @"Method xmppStream:willSendMessage: is no longer void (see XMPPStream.h). "
+						             @"Culprit = %@", NSStringFromClass([del class]));
+					}
+				}
+				#endif
+				
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedMessage = [del xmppStream:self willSendMessage:modifiedMessage];
+					
+				}});
+			}
+			
+			if (modifiedMessage)
+			{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueSendMessage:modifiedMessage withTag:tag];
+					}
+					else {
+						[self failToSendMessage:modifiedMessage];
+					}
+				}});
+			}
+		}});
+	}
+}
+
+- (void)sendPresence:(XMPPPresence *)presence withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to send a presence element.
+	// Notify delegates to allow them to optionally alter/filter the outgoing presence.
+	
+	SEL selector = @selector(xmppStream:willSendPresence:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		[self continueSendPresence:presence withTag:tag];
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_async(willSendPresenceQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify outgoing element
+			
+			__block XMPPPresence *modifiedPresence = presence;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedPresence && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				#if DEBUG
+				{
+					char methodReturnType[32];
+				
+					Method method = class_getInstanceMethod([del class], selector);
+					method_getReturnType(method, methodReturnType, sizeof(methodReturnType));
+				
+					if (strcmp(methodReturnType, @encode(XMPPPresence*)) != 0)
+					{
+						NSAssert(NO, @"Method xmppStream:willSendPresence: is no longer void (see XMPPStream.h). "
+						             @"Culprit = %@", NSStringFromClass([del class]));
+					}
+				}
+				#endif
+				
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedPresence = [del xmppStream:self willSendPresence:modifiedPresence];
+					
+				}});
+			}
+			
+			if (modifiedPresence)
+			{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueSendPresence:modifiedPresence withTag:tag];
+					} else {
+						[self failToSendPresence:modifiedPresence];
+					}
+				}});
+			}
+		}});
+	}
+}
+
+- (void)continueSendIQ:(XMPPIQ *)iq withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	NSString *outgoingStr = [iq compactXMLString];
+	NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", outgoingStr);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+	           withTimeout:TIMEOUT_XMPP_WRITE
+	                   tag:tag];
+	
+	[multicastDelegate xmppStream:self didSendIQ:iq];
+}
+
+- (void)continueSendMessage:(XMPPMessage *)message withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	NSString *outgoingStr = [message compactXMLString];
+	NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", outgoingStr);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+	           withTimeout:TIMEOUT_XMPP_WRITE
+	                   tag:tag];
+	
+	[multicastDelegate xmppStream:self didSendMessage:message];
+}
+
+- (void)continueSendPresence:(XMPPPresence *)presence withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	NSString *outgoingStr = [presence compactXMLString];
+	NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", outgoingStr);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+	           withTimeout:TIMEOUT_XMPP_WRITE
+	                   tag:tag];
+	
+	// Update myPresence if this is a normal presence element.
+	// In other words, ignore presence subscription stuff, MUC room stuff, etc.
+	// 
+	// We use the built-in [presence type] which guarantees lowercase strings,
+	// and will return @"available" if there was no set type (as available is implicit).
+	
+	NSString *type = [presence type];
+	if ([type isEqualToString:@"available"] || [type isEqualToString:@"unavailable"])
+	{
+		if ([presence toStr] == nil && myPresence != presence)
+		{
+			myPresence = presence;
+		}
+	}
+	
+	[multicastDelegate xmppStream:self didSendPresence:presence];
+}
+
+- (void)continueSendElement:(NSXMLElement *)element withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	NSString *outgoingStr = [element compactXMLString];
+	NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", outgoingStr);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+	           withTimeout:TIMEOUT_XMPP_WRITE
+	                   tag:tag];
+	
+	if ([customElementNames countForObject:[element name]])
+	{
+		[multicastDelegate xmppStream:self didSendCustomElement:element];
+	}
+}
+
+/**
+ * Private method.
+ * Presencts a common method for the various public sendElement methods.
+**/
+- (void)sendElement:(NSXMLElement *)element withTag:(long)tag
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	
+	if ([element isKindOfClass:[XMPPIQ class]])
+	{
+		[self sendIQ:(XMPPIQ *)element withTag:tag];
+	}
+	else if ([element isKindOfClass:[XMPPMessage class]])
+	{
+		[self sendMessage:(XMPPMessage *)element withTag:tag];
+	}
+	else if ([element isKindOfClass:[XMPPPresence class]])
+	{
+		[self sendPresence:(XMPPPresence *)element withTag:tag];
+	}
+	else
+	{
+		NSString *elementName = [element name];
+		
+		if ([elementName isEqualToString:@"iq"])
+		{
+			[self sendIQ:[XMPPIQ iqFromElement:element] withTag:tag];
+		}
+		else if ([elementName isEqualToString:@"message"])
+		{
+			[self sendMessage:[XMPPMessage messageFromElement:element] withTag:tag];
+		}
+		else if ([elementName isEqualToString:@"presence"])
+		{
+			[self sendPresence:[XMPPPresence presenceFromElement:element] withTag:tag];
+		}
+		else
+		{
+			[self continueSendElement:element withTag:tag];
+		}
+	}
+}
+
+/**
+ * This method handles sending an XML stanza.
+ * If the XMPPStream is not connected, this method does nothing.
+**/
+- (void)sendElement:(NSXMLElement *)element
+{
+	if (element == nil) return;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state == STATE_XMPP_CONNECTED)
+		{
+			[self sendElement:element withTag:TAG_XMPP_WRITE_STREAM];
+		}
+		else
+		{
+			[self failToSendElement:element];
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+/**
+ * This method handles sending an XML stanza.
+ * If the XMPPStream is not connected, this method does nothing.
+ * 
+ * After the element has been successfully sent,
+ * the xmppStream:didSendElementWithTag: delegate method is called.
+**/
+- (void)sendElement:(NSXMLElement *)element andGetReceipt:(XMPPElementReceipt **)receiptPtr
+{
+	if (element == nil) return;
+	
+	if (receiptPtr == nil)
+	{
+		[self sendElement:element];
+	}
+	else
+	{
+		__block XMPPElementReceipt *receipt = nil;
+		
+		dispatch_block_t block = ^{ @autoreleasepool {
+			
+			if (state == STATE_XMPP_CONNECTED)
+			{
+				receipt = [[XMPPElementReceipt alloc] init];
+				[receipts addObject:receipt];
+				
+				[self sendElement:element withTag:TAG_XMPP_WRITE_RECEIPT];
+			}
+            else
+            {
+                [self failToSendElement:element];
+            }
+		}};
+		
+		if (dispatch_get_specific(xmppQueueTag))
+			block();
+		else
+			dispatch_sync(xmppQueue, block);
+		
+		*receiptPtr = receipt;
+	}
+}
+
+- (void)failToSendElement:(NSXMLElement *)element
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	if ([element isKindOfClass:[XMPPIQ class]])
+	{
+		[self failToSendIQ:(XMPPIQ *)element];
+	}
+	else if ([element isKindOfClass:[XMPPMessage class]])
+	{
+		[self failToSendMessage:(XMPPMessage *)element];
+	}
+	else if ([element isKindOfClass:[XMPPPresence class]])
+	{
+		[self failToSendPresence:(XMPPPresence *)element];
+	}
+	else
+	{
+		NSString *elementName = [element name];
+		
+		if ([elementName isEqualToString:@"iq"])
+		{
+			[self failToSendIQ:[XMPPIQ iqFromElement:element]];
+		}
+		else if ([elementName isEqualToString:@"message"])
+		{
+			[self failToSendMessage:[XMPPMessage messageFromElement:element]];
+		}
+		else if ([elementName isEqualToString:@"presence"])
+		{
+			[self failToSendPresence:[XMPPPresence presenceFromElement:element]];
+		}
+	}
+}
+
+- (void)failToSendIQ:(XMPPIQ *)iq
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	NSError *error = [NSError errorWithDomain:XMPPStreamErrorDomain
+	                                     code:XMPPStreamInvalidState
+	                                 userInfo:nil];
+	
+	[multicastDelegate xmppStream:self didFailToSendIQ:iq error:error];
+}
+
+- (void)failToSendMessage:(XMPPMessage *)message
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	NSError *error = [NSError errorWithDomain:XMPPStreamErrorDomain
+	                                     code:XMPPStreamInvalidState
+	                                 userInfo:nil];
+	
+	[multicastDelegate xmppStream:self didFailToSendMessage:message error:error];
+}
+
+- (void)failToSendPresence:(XMPPPresence *)presence
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	NSError *error = [NSError errorWithDomain:XMPPStreamErrorDomain
+	                                     code:XMPPStreamInvalidState
+	                                 userInfo:nil];
+	
+	[multicastDelegate xmppStream:self didFailToSendPresence:presence error:error];
+}
+
+/**
+ * Retrieves the current presence and resends it in once atomic operation.
+ * Useful for various components that need to update injected information in the presence stanza.
+**/
+- (void)resendMyPresence
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (myPresence && [[myPresence type] isEqualToString:@"available"])
+		{
+			[self sendElement:myPresence];
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+/**
+ * This method is for use by xmpp authentication mechanism classes.
+ * They should send elements using this method instead of the public sendElement methods,
+ * as those methods don't send the elements while authentication is in progress.
+ *
+ * @see XMPPSASLAuthentication
+**/
+- (void)sendAuthElement:(NSXMLElement *)element
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state == STATE_XMPP_AUTH)
+		{
+			NSString *outgoingStr = [element compactXMLString];
+			NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+			
+			XMPPLogSend(@"SEND: %@", outgoingStr);
+			numberOfBytesSent += [outgoingData length];
+			
+			[asyncSocket writeData:outgoingData
+			           withTimeout:TIMEOUT_XMPP_WRITE
+			                   tag:TAG_XMPP_WRITE_STREAM];
+		}
+		else
+		{
+			XMPPLogWarn(@"Unable to send element while not in STATE_XMPP_AUTH: %@", [element compactXMLString]);
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+/**
+ * This method is for use by xmpp custom binding classes.
+ * They should send elements using this method instead of the public sendElement methods,
+ * as those methods don't send the elements while authentication/binding is in progress.
+ *
+ * @see XMPPCustomBinding
+**/
+- (void)sendBindElement:(NSXMLElement *)element
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state == STATE_XMPP_BINDING)
+		{
+			NSString *outgoingStr = [element compactXMLString];
+			NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+			
+			XMPPLogSend(@"SEND: %@", outgoingStr);
+			numberOfBytesSent += [outgoingData length];
+			
+			[asyncSocket writeData:outgoingData
+			           withTimeout:TIMEOUT_XMPP_WRITE
+			                   tag:TAG_XMPP_WRITE_STREAM];
+		}
+		else
+		{
+			XMPPLogWarn(@"Unable to send element while not in STATE_XMPP_BINDING: %@", [element compactXMLString]);
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)receiveIQ:(XMPPIQ *)iq
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to receive an IQ.
+	// Notify delegates to allow them to optionally alter/filter the incoming IQ element.
+	
+	SEL selector = @selector(xmppStream:willReceiveIQ:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		if (willReceiveStanzaQueue)
+		{
+			// But still go through the stanzaQueue in order to guarantee in-order-delivery of all received stanzas.
+			
+			dispatch_async(willReceiveStanzaQueue, ^{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueReceiveIQ:iq];
+					}
+				}});
+			});
+		}
+		else
+		{
+			[self continueReceiveIQ:iq];
+		}
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		if (willReceiveStanzaQueue == NULL)
+			willReceiveStanzaQueue = dispatch_queue_create("xmpp.willReceiveStanza", DISPATCH_QUEUE_SERIAL);
+		
+		dispatch_async(willReceiveStanzaQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify and/or filter incoming element
+			
+			__block XMPPIQ *modifiedIQ = iq;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedIQ && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedIQ = [del xmppStream:self willReceiveIQ:modifiedIQ];
+					
+				}});
+			}
+			
+			dispatch_async(xmppQueue, ^{ @autoreleasepool {
+				
+				if (state == STATE_XMPP_CONNECTED)
+				{
+					if (modifiedIQ)
+						[self continueReceiveIQ:modifiedIQ];
+					else
+						[multicastDelegate xmppStreamDidFilterStanza:self];
+				}
+			}});
+		}});
+	}
+}
+
+- (void)receiveMessage:(XMPPMessage *)message
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to receive a message.
+	// Notify delegates to allow them to optionally alter/filter the incoming message.
+	
+	SEL selector = @selector(xmppStream:willReceiveMessage:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		if (willReceiveStanzaQueue)
+		{
+			// But still go through the stanzaQueue in order to guarantee in-order-delivery of all received stanzas.
+			
+			dispatch_async(willReceiveStanzaQueue, ^{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueReceiveMessage:message];
+					}
+				}});
+			});
+		}
+		else
+		{
+			[self continueReceiveMessage:message];
+		}
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		if (willReceiveStanzaQueue == NULL)
+			willReceiveStanzaQueue = dispatch_queue_create("xmpp.willReceiveStanza", DISPATCH_QUEUE_SERIAL);
+		
+		dispatch_async(willReceiveStanzaQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify incoming element
+			
+			__block XMPPMessage *modifiedMessage = message;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedMessage && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedMessage = [del xmppStream:self willReceiveMessage:modifiedMessage];
+					
+				}});
+			}
+			
+			dispatch_async(xmppQueue, ^{ @autoreleasepool {
+				
+				if (state == STATE_XMPP_CONNECTED)
+				{
+					if (modifiedMessage)
+						[self continueReceiveMessage:modifiedMessage];
+					else
+						[multicastDelegate xmppStreamDidFilterStanza:self];
+				}
+			}});
+		}});
+	}
+}
+
+- (void)receivePresence:(XMPPPresence *)presence
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(state == STATE_XMPP_CONNECTED, @"Invoked with incorrect state");
+	
+	// We're getting ready to receive a presence element.
+	// Notify delegates to allow them to optionally alter/filter the incoming presence.
+	
+	SEL selector = @selector(xmppStream:willReceivePresence:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		if (willReceiveStanzaQueue)
+		{
+			// But still go through the stanzaQueue in order to guarantee in-order-delivery of all received stanzas.
+			
+			dispatch_async(willReceiveStanzaQueue, ^{
+				dispatch_async(xmppQueue, ^{ @autoreleasepool {
+					
+					if (state == STATE_XMPP_CONNECTED) {
+						[self continueReceivePresence:presence];
+					}
+				}});
+			});
+		}
+		else
+		{
+			[self continueReceivePresence:presence];
+		}
+	}
+	else
+	{
+		// Notify all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		if (willReceiveStanzaQueue == NULL)
+			willReceiveStanzaQueue = dispatch_queue_create("xmpp.willReceiveStanza", DISPATCH_QUEUE_SERIAL);
+		
+		dispatch_async(willReceiveStanzaQueue, ^{ @autoreleasepool {
+			
+			// Allow delegates to modify outgoing element
+			
+			__block XMPPPresence *modifiedPresence = presence;
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			while (modifiedPresence && [delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					modifiedPresence = [del xmppStream:self willReceivePresence:modifiedPresence];
+					
+				}});
+			}
+			
+			dispatch_async(xmppQueue, ^{ @autoreleasepool {
+				
+				if (state == STATE_XMPP_CONNECTED)
+				{
+					if (modifiedPresence)
+						[self continueReceivePresence:presence];
+					else
+						[multicastDelegate xmppStreamDidFilterStanza:self];
+				}
+			}});
+		}});
+	}
+}
+
+- (void)continueReceiveIQ:(XMPPIQ *)iq
+{
+	if ([iq requiresResponse])
+	{
+		// As per the XMPP specificiation, if the IQ requires a response,
+		// and we don't have any delegates or modules that can properly respond to the IQ,
+		// we MUST send back and error IQ.
+		//
+		// So we notifiy all interested delegates and modules about the received IQ,
+		// keeping track of whether or not any of them have handled it.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		id del;
+		dispatch_queue_t dq;
+		
+		SEL selector = @selector(xmppStream:didReceiveIQ:);
+		
+		dispatch_semaphore_t delSemaphore = dispatch_semaphore_create(0);
+		dispatch_group_t delGroup = dispatch_group_create();
+		
+		while ([delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+		{
+			dispatch_group_async(delGroup, dq, ^{ @autoreleasepool {
+				
+				if ([del xmppStream:self didReceiveIQ:iq])
+				{
+					dispatch_semaphore_signal(delSemaphore);
+				}
+				
+			}});
+		}
+		
+		dispatch_async(didReceiveIqQueue, ^{ @autoreleasepool {
+			
+			dispatch_group_wait(delGroup, DISPATCH_TIME_FOREVER);
+			
+			// Did any of the delegates handle the IQ? (handle == will response)
+			
+			BOOL handled = (dispatch_semaphore_wait(delSemaphore, DISPATCH_TIME_NOW) == 0);
+			
+			// An entity that receives an IQ request of type "get" or "set" MUST reply
+			// with an IQ response of type "result" or "error".
+			//
+			// The response MUST preserve the 'id' attribute of the request.
+			
+			if (!handled)
+			{
+				// Return error message:
+				//
+				// <iq to="jid" type="error" id="id">
+				//   <query xmlns="ns"/>
+				//   <error type="cancel" code="501">
+				//     <feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/>
+				//   </error>
+				// </iq>
+				
+				NSXMLElement *reason = [NSXMLElement elementWithName:@"feature-not-implemented"
+				                                               xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
+				
+				NSXMLElement *error = [NSXMLElement elementWithName:@"error"];
+				[error addAttributeWithName:@"type" stringValue:@"cancel"];
+				[error addAttributeWithName:@"code" stringValue:@"501"];
+				[error addChild:reason];
+				
+				XMPPIQ *iqResponse = [XMPPIQ iqWithType:@"error"
+				                                     to:[iq from]
+				                              elementID:[iq elementID]
+				                                  child:error];
+				
+				NSXMLElement *iqChild = [iq childElement];
+				if (iqChild)
+				{
+					NSXMLNode *iqChildCopy = [iqChild copy];
+					[iqResponse insertChild:iqChildCopy atIndex:0];
+				}
+				
+				// Purposefully go through the sendElement: method
+				// so that it gets dispatched onto the xmppQueue,
+				// and so that modules may get notified of the outgoing error message.
+				
+				[self sendElement:iqResponse];
+			}
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_release(delSemaphore);
+			dispatch_release(delGroup);
+			#endif
+			
+		}});
+	}
+	else
+	{
+		// The IQ doesn't require a response.
+		// So we can just fire the delegate method and ignore the responses.
+		
+		[multicastDelegate xmppStream:self didReceiveIQ:iq];
+	}
+}
+
+- (void)continueReceiveMessage:(XMPPMessage *)message
+{
+	[multicastDelegate xmppStream:self didReceiveMessage:message];
+}
+
+- (void)continueReceivePresence:(XMPPPresence *)presence
+{
+	[multicastDelegate xmppStream:self didReceivePresence:presence];
+}
+
+/**
+ * This method allows you to inject an element into the stream as if it was received on the socket.
+ * This is an advanced technique, but makes for some interesting possibilities.
+**/
+- (void)injectElement:(NSXMLElement *)element
+{
+	if (element == nil) return;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (state != STATE_XMPP_CONNECTED)
+		{
+			return_from_block;
+		}
+		
+		if ([element isKindOfClass:[XMPPIQ class]])
+		{
+			[self receiveIQ:(XMPPIQ *)element];
+		}
+		else if ([element isKindOfClass:[XMPPMessage class]])
+		{
+			[self receiveMessage:(XMPPMessage *)element];
+		}
+		else if ([element isKindOfClass:[XMPPPresence class]])
+		{
+			[self receivePresence:(XMPPPresence *)element];
+		}
+		else
+		{
+			NSString *elementName = [element name];
+			
+			if ([elementName isEqualToString:@"iq"])
+			{
+				[self receiveIQ:[XMPPIQ iqFromElement:element]];
+			}
+			else if ([elementName isEqualToString:@"message"])
+			{
+				[self receiveMessage:[XMPPMessage messageFromElement:element]];
+			}
+			else if ([elementName isEqualToString:@"presence"])
+			{
+				[self receivePresence:[XMPPPresence presenceFromElement:element]];
+			}
+			else if ([customElementNames countForObject:elementName])
+			{
+				[multicastDelegate xmppStream:self didReceiveCustomElement:element];
+			}
+			else
+			{
+				[multicastDelegate xmppStream:self didReceiveError:element];
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)registerCustomElementNames:(NSSet *)names
+{
+	dispatch_block_t block = ^{
+		
+		if (customElementNames == nil)
+			customElementNames = [[NSCountedSet alloc] init];
+		
+		for (NSString *name in names)
+		{
+			[customElementNames addObject:name];
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)unregisterCustomElementNames:(NSSet *)names
+{
+	dispatch_block_t block = ^{
+		
+		for (NSString *name in names)
+		{
+			[customElementNames removeObject:name];
+		}
+	};
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Stream Negotiation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method is called to start the initial negotiation process.
+**/
+- (void)startNegotiation
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	NSAssert(![self didStartNegotiation], @"Invoked after initial negotiation has started");
+	
+	XMPPLogTrace();
+	
+	// Initialize the XML stream
+	[self sendOpeningNegotiation];
+	
+	// Inform delegate that the TCP connection is open, and the stream handshake has begun
+	[multicastDelegate xmppStreamDidStartNegotiation:self];
+	
+	// And start reading in the server's XML stream
+	[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_START tag:TAG_XMPP_READ_START];
+}
+
+/**
+ * This method handles sending the opening <stream:stream ...> element which is needed in several situations.
+**/
+- (void)sendOpeningNegotiation
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if (![self didStartNegotiation])
+	{
+		// TCP connection was just opened - We need to include the opening XML stanza
+		NSString *s1 = @"<?xml version='1.0'?>";
+		
+		NSData *outgoingData = [s1 dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", s1);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+				   withTimeout:TIMEOUT_XMPP_WRITE
+						   tag:TAG_XMPP_WRITE_START];
+		
+		[self setDidStartNegotiation:YES];
+	}
+	
+	if (parser == nil)
+	{
+		XMPPLogVerbose(@"%@: Initializing parser...", THIS_FILE);
+		
+		// Need to create the parser.
+		parser = [[XMPPParser alloc] initWithDelegate:self delegateQueue:xmppQueue];
+	}
+	else
+	{
+		XMPPLogVerbose(@"%@: Resetting parser...", THIS_FILE);
+		
+		// We're restarting our negotiation, so we need to reset the parser.
+		parser = [[XMPPParser alloc] initWithDelegate:self delegateQueue:xmppQueue];
+	}
+	
+	NSString *xmlns = @"jabber:client";
+	NSString *xmlns_stream = @"http://etherx.jabber.org/streams";
+	
+	NSString *temp, *s2;
+    if ([self isP2P])
+    {
+		if (myJID_setByClient && remoteJID)
+		{
+			temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0' from='%@' to='%@'>";
+			s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream, [myJID_setByClient bare], [remoteJID bare]];
+		}
+		else if (myJID_setByClient)
+		{
+			temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0' from='%@'>";
+			s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream, [myJID_setByClient bare]];
+		}
+		else if (remoteJID)
+		{
+			temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0' to='%@'>";
+			s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream, [remoteJID bare]];
+		}
+		else
+		{
+			temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0'>";
+			s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream];
+		}
+    }
+    else
+    {
+		if (myJID_setByClient)
+		{
+			temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0' to='%@'>";
+            s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream, [myJID_setByClient domain]];
+		}
+        else if ([hostName length] > 0)
+        {
+            temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0' to='%@'>";
+            s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream, hostName];
+        }
+        else
+        {
+            temp = @"<stream:stream xmlns='%@' xmlns:stream='%@' version='1.0'>";
+            s2 = [NSString stringWithFormat:temp, xmlns, xmlns_stream];
+        }
+    }
+	
+	NSData *outgoingData = [s2 dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogSend(@"SEND: %@", s2);
+	numberOfBytesSent += [outgoingData length];
+	
+	[asyncSocket writeData:outgoingData
+			   withTimeout:TIMEOUT_XMPP_WRITE
+					   tag:TAG_XMPP_WRITE_START];
+	
+	// Update status
+	state = STATE_XMPP_OPENING;
+}
+
+/**
+ * This method handles starting TLS negotiation on the socket, using the proper settings.
+**/
+- (void)startTLS
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Update state (part 2 - prompting delegates)
+	state = STATE_XMPP_STARTTLS_2;
+	
+	// Create a mutable dictionary for security settings
+	NSMutableDictionary *settings = [NSMutableDictionary dictionaryWithCapacity:5];
+	
+	SEL selector = @selector(xmppStream:willSecureWithSettings:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		[self continueStartTLS:settings];
+	}
+	else
+	{
+		// Query all interested delegates.
+		// This must be done serially to maintain thread safety.
+		
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(concurrentQueue, ^{ @autoreleasepool {
+			
+			// Prompt the delegate(s) to populate the security settings
+			
+			id delegate;
+			dispatch_queue_t delegateQueue;
+			
+			while ([delegateEnumerator getNextDelegate:&delegate delegateQueue:&delegateQueue forSelector:selector])
+			{
+				dispatch_sync(delegateQueue, ^{ @autoreleasepool {
+					
+					[delegate xmppStream:self willSecureWithSettings:settings];
+					
+				}});
+			}
+			
+			dispatch_async(xmppQueue, ^{ @autoreleasepool {
+				
+				[self continueStartTLS:settings];
+				
+			}});
+			
+		}});
+	}
+}
+
+- (void)continueStartTLS:(NSMutableDictionary *)settings
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, settings);
+	
+	if (state == STATE_XMPP_STARTTLS_2)
+	{
+		// If the delegates didn't respond
+		if ([settings count] == 0)
+		{
+			// Use the default settings, and set the peer name
+			
+			NSString *expectedCertName = hostName;
+			if (expectedCertName == nil)
+			{
+				expectedCertName = [myJID_setByClient domain];
+			}
+			
+			if ([expectedCertName length] > 0)
+			{
+				settings[(NSString *) kCFStreamSSLPeerName] = expectedCertName;
+			}
+		}
+		
+		[asyncSocket startTLS:settings];
+		[self setIsSecure:YES];
+		
+		// Note: We don't need to wait for asyncSocket to complete TLS negotiation.
+		// We can just continue reading/writing to the socket, and it will handle queueing everything for us!
+		
+		if ([self didStartNegotiation])
+		{
+			// Now we start our negotiation over again...
+			[self sendOpeningNegotiation];
+			
+			// We paused reading from the socket.
+			// We're ready to continue now.
+			[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_STREAM tag:TAG_XMPP_READ_STREAM];
+		}
+		else
+		{
+			// First time starting negotiation
+			[self startNegotiation];
+		}
+	}
+}
+
+/**
+ * This method is called anytime we receive the server's stream features.
+ * This method looks at the stream features, and handles any requirements so communication can continue.
+**/
+- (void)handleStreamFeatures
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Extract the stream features
+	NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+	
+	// Check to see if TLS is required
+	// Don't forget about that NSXMLElement bug you reported to apple (xmlns is required or element won't be found)
+	NSXMLElement *f_starttls = [features elementForName:@"starttls" xmlns:@"urn:ietf:params:xml:ns:xmpp-tls"];
+	
+	if (f_starttls)
+	{
+		if ([f_starttls elementForName:@"required"] || [self startTLSPolicy] >= XMPPStreamStartTLSPolicyPreferred)
+		{
+			// TLS is required for this connection
+			
+			// Update state
+			state = STATE_XMPP_STARTTLS_1;
+			
+			// Send the startTLS XML request
+			[self sendStartTLSRequest];
+			
+			// We do not mark the stream as secure yet.
+			// We're waiting to receive the <proceed/> response from the
+			// server before we actually start the TLS handshake.
+			
+			// We're already listening for the response...
+			return;
+		}
+	}
+    else if (![self isSecure] && [self startTLSPolicy] == XMPPStreamStartTLSPolicyRequired)
+    {
+		// We must abort the connection as the server doesn't support our requirements.
+		
+		NSString *errMsg = @"The server does not support startTLS. And the startTLSPolicy is Required.";
+		NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+		
+		otherError = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
+		
+        // Close the TCP connection.
+		[self disconnect];
+		
+		// The socketDidDisconnect:withError: method will handle everything else
+		return;
+    }
+	
+	// Check to see if resource binding is required
+	// Don't forget about that NSXMLElement bug you reported to apple (xmlns is required or element won't be found)
+	NSXMLElement *f_bind = [features elementForName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+	
+	if (f_bind)
+	{
+		// Start the binding process
+		[self startBinding];
+		
+		// We're already listening for the response...
+		return;
+	}
+	
+	// It looks like all has gone well, and the connection should be ready to use now
+	state = STATE_XMPP_CONNECTED;
+	
+	if (![self isAuthenticated])
+	{
+		[self setupKeepAliveTimer];
+		
+		// Notify delegates
+		[multicastDelegate xmppStreamDidConnect:self];
+	}
+}
+
+- (void)handleStartTLSResponse:(NSXMLElement *)response
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// We're expecting a proceed response
+	// If we get anything else we can safely assume it's the equivalent of a failure response
+	if ( ![[response name] isEqualToString:@"proceed"])
+	{
+		// We can close our TCP connection now
+		[self disconnect];
+		
+		// The socketDidDisconnect:withError: method will handle everything else
+		return;
+	}
+	
+	// Start TLS negotiation
+	[self startTLS];
+}
+
+/**
+ * After the registerUser:withPassword: method is invoked, a registration message is sent to the server.
+ * We're waiting for the result from this registration request.
+**/
+- (void)handleRegistration:(NSXMLElement *)response
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if ([[response attributeStringValueForName:@"type"] isEqualToString:@"error"])
+	{
+		// Revert back to connected state (from authenticating state)
+		state = STATE_XMPP_CONNECTED;
+		
+		[multicastDelegate xmppStream:self didNotRegister:response];
+	}
+	else
+	{
+		// Revert back to connected state (from authenticating state)
+		state = STATE_XMPP_CONNECTED;
+		
+		[multicastDelegate xmppStreamDidRegister:self];
+	}
+}
+
+/**
+ * After the authenticate:error: or authenticateWithPassword:error: methods are invoked, some kind of
+ * authentication message is sent to the server.
+ * This method forwards the response to the authentication module, and handles the resulting authentication state.
+**/
+- (void)handleAuth:(NSXMLElement *)authResponse
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	XMPPHandleAuthResponse result = [auth handleAuth:authResponse];
+	
+	if (result == XMPP_AUTH_SUCCESS)
+	{
+		// We are successfully authenticated (via sasl:digest-md5)
+		[self setIsAuthenticated:YES];
+		
+		BOOL shouldRenegotiate = YES;
+		if ([auth respondsToSelector:@selector(shouldResendOpeningNegotiationAfterSuccessfulAuthentication)])
+		{
+			shouldRenegotiate = [auth shouldResendOpeningNegotiationAfterSuccessfulAuthentication];
+		}
+		
+		if (shouldRenegotiate)
+		{
+			// Now we start our negotiation over again...
+			[self sendOpeningNegotiation];
+			
+			if (![self isSecure])
+			{
+				// Normally we requeue our read operation in xmppParserDidParseData:.
+				// But we just reset the parser, so that code path isn't going to happen.
+				// So start read request here.
+				// The state is STATE_XMPP_OPENING, set via sendOpeningNegotiation method.
+				
+				[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_START tag:TAG_XMPP_READ_START];
+			}
+		}
+		else
+		{
+			// Revert back to connected state (from authenticating state)
+			state = STATE_XMPP_CONNECTED;
+			
+			[multicastDelegate xmppStreamDidAuthenticate:self];
+		}
+		
+		// Done with auth
+		auth = nil;
+		
+	}
+	else if (result == XMPP_AUTH_FAIL)
+	{
+		// Revert back to connected state (from authenticating state)
+		state = STATE_XMPP_CONNECTED;
+		
+		// Notify delegate
+		[multicastDelegate xmppStream:self didNotAuthenticate:authResponse];
+		
+		// Done with auth
+		auth = nil;
+		
+	}
+	else if (result == XMPP_AUTH_CONTINUE)
+	{
+		// Authentication continues.
+		// State doesn't change.
+	}
+	else
+	{
+		XMPPLogError(@"Authentication class (%@) returned invalid response code (%i)",
+		           NSStringFromClass([auth class]), (int)result);
+		
+		NSAssert(NO, @"Authentication class (%@) returned invalid response code (%i)",
+		             NSStringFromClass([auth class]), (int)result);
+	}
+}
+
+- (void)startBinding
+{
+	XMPPLogTrace();
+	
+	state = STATE_XMPP_BINDING;
+	
+	SEL selector = @selector(xmppStreamWillBind:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		[self startStandardBinding];
+	}
+	else
+	{
+		GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(concurrentQueue, ^{ @autoreleasepool {
+			
+			__block id <XMPPCustomBinding> delegateCustomBinding = nil;
+			
+			id delegate;
+			dispatch_queue_t dq;
+			
+			while ([delegateEnumerator getNextDelegate:&delegate delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					delegateCustomBinding = [delegate xmppStreamWillBind:self];
+				}});
+				
+				if (delegateCustomBinding) {
+					break;
+				}
+			}
+			
+			dispatch_async(xmppQueue, ^{ @autoreleasepool {
+				
+				if (delegateCustomBinding)
+					[self startCustomBinding:delegateCustomBinding];
+				else
+					[self startStandardBinding];
+			}});
+		}});
+	}
+}
+
+- (void)startCustomBinding:(id <XMPPCustomBinding>)delegateCustomBinding
+{
+	XMPPLogTrace();
+	
+	customBinding = delegateCustomBinding;
+	
+	NSError *bindError = nil;
+	XMPPBindResult result = [customBinding start:&bindError];
+	
+	if (result == XMPP_BIND_CONTINUE)
+	{
+		// Expected result
+		// Wait for reply from server, and forward to customBinding module.
+	}
+	else
+	{
+		if (result == XMPP_BIND_SUCCESS)
+		{
+			// It appears binding isn't needed (perhaps handled via auth)
+			
+			BOOL skipStartSessionOverride = NO;
+			if ([customBinding respondsToSelector:@selector(shouldSkipStartSessionAfterSuccessfulBinding)]) {
+				skipStartSessionOverride = [customBinding shouldSkipStartSessionAfterSuccessfulBinding];
+			}
+			
+			[self continuePostBinding:skipStartSessionOverride];
+		}
+		else if (result == XMPP_BIND_FAIL_FALLBACK)
+		{
+			// Custom binding isn't available for whatever reason,
+			// but the module has requested we fallback to standard binding.
+			
+			[self startStandardBinding];
+		}
+		else if (result == XMPP_BIND_FAIL_ABORT)
+		{
+			// Custom binding failed,
+			// and the module requested we abort.
+			
+			otherError = bindError;
+			[asyncSocket disconnect];
+		}
+		
+		customBinding = nil;
+	}
+}
+
+- (void)handleCustomBinding:(NSXMLElement *)response
+{
+	XMPPLogTrace();
+	
+	NSError *bindError = nil;
+	XMPPBindResult result = [customBinding handleBind:response withError:&bindError];
+	
+	if (result == XMPP_BIND_CONTINUE)
+	{
+		// Binding still in progress
+	}
+	else
+	{
+		if (result == XMPP_BIND_SUCCESS)
+		{
+			// Binding complete. Continue.
+			
+			BOOL skipStartSessionOverride = NO;
+			if ([customBinding respondsToSelector:@selector(shouldSkipStartSessionAfterSuccessfulBinding)]) {
+				skipStartSessionOverride = [customBinding shouldSkipStartSessionAfterSuccessfulBinding];
+			}
+			
+			[self continuePostBinding:skipStartSessionOverride];
+		}
+		else if (result == XMPP_BIND_FAIL_FALLBACK)
+		{
+			// Custom binding failed for whatever reason,
+			// but the module has requested we fallback to standard binding.
+			
+			[self startStandardBinding];
+		}
+		else if (result == XMPP_BIND_FAIL_ABORT)
+		{
+			// Custom binding failed,
+			// and the module requested we abort.
+			
+			otherError = bindError;
+			[asyncSocket disconnect];
+		}
+		
+		customBinding = nil;
+	}
+}
+
+- (void)startStandardBinding
+{
+	XMPPLogTrace();
+	
+	NSString *requestedResource = [myJID_setByClient resource];
+	
+	if ([requestedResource length] > 0)
+	{
+		// Ask the server to bind the user specified resource
+		
+		NSXMLElement *resource = [NSXMLElement elementWithName:@"resource"];
+		[resource setStringValue:requestedResource];
+		
+		NSXMLElement *bind = [NSXMLElement elementWithName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+		[bind addChild:resource];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" elementID:[self generateUUID]];
+		[iq addChild:bind];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+				   withTimeout:TIMEOUT_XMPP_WRITE
+						   tag:TAG_XMPP_WRITE_STREAM];
+        
+		[idTracker addElement:iq
+		               target:nil
+		             selector:NULL
+		              timeout:XMPPIDTrackerTimeoutNone];
+	}
+	else
+	{
+		// The user didn't specify a resource, so we ask the server to bind one for us
+		
+		NSXMLElement *bind = [NSXMLElement elementWithName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" elementID:[self generateUUID]];
+		[iq addChild:bind];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+				   withTimeout:TIMEOUT_XMPP_WRITE
+						   tag:TAG_XMPP_WRITE_STREAM];
+        
+		[idTracker addElement:iq
+		               target:nil
+		             selector:NULL
+		              timeout:XMPPIDTrackerTimeoutNone];
+	}
+}
+
+- (void)handleStandardBinding:(NSXMLElement *)response
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	NSXMLElement *r_bind = [response elementForName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+	NSXMLElement *r_jid = [r_bind elementForName:@"jid"];
+	
+	if (r_jid)
+	{
+		// We're properly binded to a resource now
+		// Extract and save our resource (it may not be what we originally requested)
+		NSString *fullJIDStr = [r_jid stringValue];
+		
+		[self setMyJID_setByServer:[XMPPJID jidWithString:fullJIDStr]];
+		
+		// On to the next step
+		BOOL skipStartSessionOverride = NO;
+		[self continuePostBinding:skipStartSessionOverride];
+	}
+	else
+	{
+		// It appears the server didn't allow our resource choice
+		// First check if we want to try an alternative resource
+		
+		NSXMLElement *r_error = [response elementForName:@"error"];
+		NSXMLElement *r_conflict = [r_error elementForName:@"conflict" xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
+        
+		if (r_conflict)
+		{
+			SEL selector = @selector(xmppStream:alternativeResourceForConflictingResource:);
+			
+			if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+			{
+				// None of the delegates implement the method.
+				// Use a shortcut.
+				
+				[self continueHandleStandardBinding:nil];
+			}
+			else
+			{
+				// Query all interested delegates.
+				// This must be done serially to maintain thread safety.
+				
+				GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+				
+				dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+				dispatch_async(concurrentQueue, ^{ @autoreleasepool {
+					
+					// Query delegates for alternative resource
+					
+					NSString *currentResource = [[self myJID] resource];
+					__block NSString *alternativeResource = nil;
+					
+					id delegate;
+					dispatch_queue_t dq;
+					
+					while ([delegateEnumerator getNextDelegate:&delegate delegateQueue:&dq forSelector:selector])
+					{
+						dispatch_sync(dq, ^{ @autoreleasepool {
+							
+							NSString *delegateAlternativeResource =
+							    [delegate xmppStream:self alternativeResourceForConflictingResource:currentResource];
+							
+							if (delegateAlternativeResource)
+							{
+								alternativeResource = delegateAlternativeResource;
+							}
+						}});
+						
+						if (alternativeResource) {
+							break;
+						}
+					}
+					
+					dispatch_async(xmppQueue, ^{ @autoreleasepool {
+						
+						[self continueHandleStandardBinding:alternativeResource];
+						
+					}});
+					
+				}});
+			}
+        }
+		else
+		{
+			// Appears to be a conflicting resource, but server didn't specify conflict
+			[self continueHandleStandardBinding:nil];
+		}
+	}
+}
+
+- (void)continueHandleStandardBinding:(NSString *)alternativeResource
+{
+	XMPPLogTrace();
+	
+	if ([alternativeResource length] > 0)
+	{
+		// Update myJID
+		
+		[self setMyJID_setByClient:[myJID_setByClient jidWithNewResource:alternativeResource]];
+		
+		NSXMLElement *resource = [NSXMLElement elementWithName:@"resource"];
+		[resource setStringValue:alternativeResource];
+		
+		NSXMLElement *bind = [NSXMLElement elementWithName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+		[bind addChild:resource];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+		[iq addChild:bind];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+		           withTimeout:TIMEOUT_XMPP_WRITE
+		                   tag:TAG_XMPP_WRITE_STREAM];
+        
+        [idTracker addElement:iq
+                       target:nil
+                     selector:NULL
+                      timeout:XMPPIDTrackerTimeoutNone];
+		
+		// The state remains in STATE_XMPP_BINDING
+	}
+	else
+	{
+		// We'll simply let the server choose then
+		
+		NSXMLElement *bind = [NSXMLElement elementWithName:@"bind" xmlns:@"urn:ietf:params:xml:ns:xmpp-bind"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+		[iq addChild:bind];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+		           withTimeout:TIMEOUT_XMPP_WRITE
+		                   tag:TAG_XMPP_WRITE_STREAM];
+        
+        [idTracker addElement:iq
+                       target:nil
+                     selector:NULL
+                      timeout:XMPPIDTrackerTimeoutNone];
+		
+		// The state remains in STATE_XMPP_BINDING
+	}
+}
+
+- (void)continuePostBinding:(BOOL)skipStartSessionOverride
+{
+	XMPPLogTrace();
+	
+	// And we may now have to do one last thing before we're ready - start an IM session
+	NSXMLElement *features = [rootElement elementForName:@"stream:features"];
+	
+	// Check to see if a session is required
+	// Don't forget about that NSXMLElement bug you reported to apple (xmlns is required or element won't be found)
+	NSXMLElement *f_session = [features elementForName:@"session" xmlns:@"urn:ietf:params:xml:ns:xmpp-session"];
+	
+	if (f_session && !skipStartSession && !skipStartSessionOverride)
+	{
+		NSXMLElement *session = [NSXMLElement elementWithName:@"session"];
+		[session setXmlns:@"urn:ietf:params:xml:ns:xmpp-session"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" elementID:[self generateUUID]];
+		[iq addChild:session];
+		
+		NSString *outgoingStr = [iq compactXMLString];
+		NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+		
+		XMPPLogSend(@"SEND: %@", outgoingStr);
+		numberOfBytesSent += [outgoingData length];
+		
+		[asyncSocket writeData:outgoingData
+				   withTimeout:TIMEOUT_XMPP_WRITE
+						   tag:TAG_XMPP_WRITE_STREAM];
+        
+		[idTracker addElement:iq
+		               target:nil
+		             selector:NULL
+		              timeout:XMPPIDTrackerTimeoutNone];
+		
+		// Update state
+		state = STATE_XMPP_START_SESSION;
+	}
+	else
+	{
+		// Revert back to connected state (from binding state)
+		state = STATE_XMPP_CONNECTED;
+		
+		[multicastDelegate xmppStreamDidAuthenticate:self];
+	}
+}
+
+- (void)handleStartSessionResponse:(NSXMLElement *)response
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if ([[response attributeStringValueForName:@"type"] isEqualToString:@"result"])
+	{
+		// Revert back to connected state (from start session state)
+		state = STATE_XMPP_CONNECTED;
+		
+		[multicastDelegate xmppStreamDidAuthenticate:self];
+	}
+	else
+	{
+		// Revert back to connected state (from start session state)
+		state = STATE_XMPP_CONNECTED;
+		
+		[multicastDelegate xmppStream:self didNotAuthenticate:response];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPSRVResolver Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)tryNextSrvResult
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	NSError *connectError = nil;
+	BOOL success = NO;
+	
+	while (srvResultsIndex < [srvResults count])
+	{
+		XMPPSRVRecord *srvRecord = srvResults[srvResultsIndex];
+		NSString *srvHost = srvRecord.target;
+		UInt16 srvPort    = srvRecord.port;
+		
+		success = [self connectToHost:srvHost onPort:srvPort withTimeout:XMPPStreamTimeoutNone error:&connectError];
+		
+		if (success)
+		{
+			break;
+		}
+		else
+		{
+			srvResultsIndex++;
+		}
+	}
+	
+	if (!success)
+	{
+		// SRV resolution of the JID domain failed.
+		// As per the RFC:
+		// 
+		// "If the SRV lookup fails, the fallback is a normal IPv4/IPv6 address record resolution
+		// to determine the IP address, using the "xmpp-client" port 5222, registered with the IANA."
+		// 
+		// In other words, just try connecting to the domain specified in the JID.
+		
+		success = [self connectToHost:[myJID_setByClient domain] onPort:5222 withTimeout:XMPPStreamTimeoutNone error:&connectError];
+	}
+	
+	if (!success)
+	{
+		[self endConnectTimeout];
+		
+		state = STATE_XMPP_DISCONNECTED;
+		
+		[multicastDelegate xmppStreamDidDisconnect:self withError:connectError];
+	}
+}
+
+- (void)xmppSRVResolver:(XMPPSRVResolver *)sender didResolveRecords:(NSArray *)records
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	if (sender != srvResolver) return;
+	
+	XMPPLogTrace();
+	
+	srvResults = [records copy];
+	srvResultsIndex = 0;
+	
+	state = STATE_XMPP_CONNECTING;
+	
+	[self tryNextSrvResult];
+}
+
+- (void)xmppSRVResolver:(XMPPSRVResolver *)sender didNotResolveDueToError:(NSError *)error
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	if (sender != srvResolver) return;
+	
+	XMPPLogTrace();
+	
+	state = STATE_XMPP_CONNECTING;
+	
+	[self tryNextSrvResult];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark AsyncSocket Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Called when a socket connects and is ready for reading and writing. "host" will be an IP address, not a DNS name.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port
+{
+	// This method is invoked on the xmppQueue.
+	// 
+	// The TCP connection is now established.
+	
+	XMPPLogTrace();
+    
+    [self endConnectTimeout];
+	
+	#if TARGET_OS_IPHONE
+	{
+		if (self.enableBackgroundingOnSocket)
+		{
+			__block BOOL result;
+			
+			[asyncSocket performBlock:^{
+				result = [asyncSocket enableBackgroundingOnSocket];
+			}];
+			
+			if (result)
+				XMPPLogVerbose(@"%@: Enabled backgrounding on socket", THIS_FILE);
+			else
+				XMPPLogError(@"%@: Error enabling backgrounding on socket!", THIS_FILE);
+		}
+	}
+	#endif
+	
+	[multicastDelegate xmppStream:self socketDidConnect:sock];
+	
+	srvResolver = nil;
+	srvResults = nil;
+	
+	// Are we using old-style SSL? (Not the upgrade to TLS technique specified in the XMPP RFC)
+	if ([self isSecure])
+	{
+		// The connection must be secured immediately (just like with HTTPS)
+		[self startTLS];
+	}
+	else
+	{
+		[self startNegotiation];
+	}
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didReceiveTrust:(SecTrustRef)trust
+                                    completionHandler:(void (^)(BOOL shouldTrustPeer))completionHandler
+{
+	XMPPLogTrace();
+	
+	SEL selector = @selector(xmppStream:didReceiveTrust:completionHandler:);
+	
+	if ([multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		[multicastDelegate xmppStream:self didReceiveTrust:trust completionHandler:completionHandler];
+	}
+	else
+	{
+		XMPPLogWarn(@"%@: Stream secured with (GCDAsyncSocketManuallyEvaluateTrust == YES),"
+		            @" but there are no delegates that implement xmppStream:didReceiveTrust:completionHandler:."
+		            @" This is likely a mistake.", THIS_FILE);
+		
+		// The delegate method should likely have code similar to this,
+		// but will presumably perform some extra security code stuff.
+		// For example, allowing a specific self-signed certificate that is known to the app.
+		
+		dispatch_queue_t bgQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(bgQueue, ^{
+			
+			SecTrustResultType result = kSecTrustResultDeny;
+			OSStatus status = SecTrustEvaluate(trust, &result);
+			
+			if (status == noErr && (result == kSecTrustResultProceed || result == kSecTrustResultUnspecified)) {
+				completionHandler(YES);
+			}
+			else {
+				completionHandler(NO);
+			}
+		});
+	}
+}
+
+- (void)socketDidSecure:(GCDAsyncSocket *)sock
+{
+	// This method is invoked on the xmppQueue.
+	
+	XMPPLogTrace();
+	
+	[multicastDelegate xmppStreamDidSecure:self];
+}
+
+/**
+ * Called when a socket has completed reading the requested data. Not called if there is an error.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
+{
+	// This method is invoked on the xmppQueue.
+	
+	XMPPLogTrace();
+	
+	lastSendReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	numberOfBytesReceived += [data length];
+	
+	XMPPLogRecvPre(@"RECV: %@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
+	
+	// Asynchronously parse the xml data
+	[parser parseData:data];
+	
+	if ([self isSecure])
+	{
+		// Continue reading for XML elements
+		if (state == STATE_XMPP_OPENING)
+		{
+			[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_START tag:TAG_XMPP_READ_START];
+		}
+		else
+		{
+			[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_STREAM tag:TAG_XMPP_READ_STREAM];
+		}
+	}
+	else
+	{
+		// Don't queue up a read on the socket as we may need to upgrade to TLS.
+		// We'll read more data after we've parsed the current chunk of data.
+	}
+}
+
+/**
+ * Called after data with the given tag has been successfully sent.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didWriteDataWithTag:(long)tag
+{
+	// This method is invoked on the xmppQueue.
+	
+	XMPPLogTrace();
+	
+	lastSendReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	
+	if (tag == TAG_XMPP_WRITE_RECEIPT)
+	{
+		if ([receipts count] == 0)
+		{
+			XMPPLogWarn(@"%@: Found TAG_XMPP_WRITE_RECEIPT with no pending receipts!", THIS_FILE);
+			return;
+		}
+		
+		XMPPElementReceipt *receipt = receipts[0];
+		[receipt signalSuccess];
+		[receipts removeObjectAtIndex:0];
+	}
+	else if (tag == TAG_XMPP_WRITE_STOP)
+	{
+		[multicastDelegate xmppStreamDidSendClosingStreamStanza:self];
+	}
+}
+
+/**
+ * Called when a socket disconnects with or without error.
+**/
+- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
+{
+	// This method is invoked on the xmppQueue.
+	
+	XMPPLogTrace();
+    
+    [self endConnectTimeout];
+	
+	if (srvResults && (++srvResultsIndex < [srvResults count]))
+	{
+		[self tryNextSrvResult];
+	}
+	else
+	{
+		// Update state
+		state = STATE_XMPP_DISCONNECTED;
+		
+		// Release the parser (to free underlying resources)
+		[parser setDelegate:nil delegateQueue:NULL];
+		parser = nil;
+		
+		// Clear any saved authentication information
+		auth = nil;
+		
+		authenticationDate = nil;
+		
+		// Clear stored elements
+		myJID_setByServer = nil;
+		myPresence = nil;
+		rootElement = nil;
+		
+		// Stop the keep alive timer
+		if (keepAliveTimer)
+		{
+			dispatch_source_cancel(keepAliveTimer);
+			keepAliveTimer = NULL;
+		}
+		
+		// Clear srv results
+		srvResolver = nil;
+		srvResults = nil;
+        
+        // Stop tracking IDs
+        [idTracker removeAllIDs];
+		
+		// Clear any pending receipts
+		for (XMPPElementReceipt *receipt in receipts)
+		{
+			[receipt signalFailure];
+		}
+		[receipts removeAllObjects];
+		
+		// Clear flags
+		flags = 0;
+		
+		// Notify delegate
+		
+		if (parserError || otherError)
+		{
+			NSError *error = parserError ? : otherError;
+			
+			[multicastDelegate xmppStreamDidDisconnect:self withError:error];
+			
+			parserError = nil;
+			otherError = nil;
+		}
+		else
+		{
+			[multicastDelegate xmppStreamDidDisconnect:self withError:err];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPParser Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Called when the xmpp parser has read in the entire root element.
+**/
+- (void)xmppParser:(XMPPParser *)sender didReadRoot:(NSXMLElement *)root
+{
+	// This method is invoked on the xmppQueue.
+	
+	if (sender != parser) return;
+	
+	XMPPLogTrace();
+	XMPPLogRecvPost(@"RECV: %@", [root compactXMLString]);
+		
+	// At this point we've sent our XML stream header, and we've received the response XML stream header.
+	// We save the root element of our stream for future reference.
+	
+	rootElement = root;
+	
+	if ([self isP2P])
+	{
+		// XEP-0174 specifies that <stream:features/> SHOULD be sent by the receiver.
+		// In other words, if we're the recipient we will now send our features.
+		// But if we're the initiator, we can't depend on receiving their features.
+		
+		// Either way, we're connected at this point.
+		state = STATE_XMPP_CONNECTED;
+		
+		if ([self isP2PRecipient])
+		{
+			// Extract the remoteJID:
+			//
+			// <stream:stream ... from='<remoteJID>' to='<myJID>'>
+			
+			NSString *from = [[rootElement attributeForName:@"from"] stringValue];
+			remoteJID = [XMPPJID jidWithString:from];
+			
+			// Send our stream features.
+			// To do so we need to ask the delegate to fill it out for us.
+			
+			NSXMLElement *streamFeatures = [NSXMLElement elementWithName:@"stream:features"];
+			
+			[multicastDelegate xmppStream:self willSendP2PFeatures:streamFeatures];
+			
+			NSString *outgoingStr = [streamFeatures compactXMLString];
+			NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+			
+			XMPPLogSend(@"SEND: %@", outgoingStr);
+			numberOfBytesSent += [outgoingData length];
+			
+			[asyncSocket writeData:outgoingData
+			           withTimeout:TIMEOUT_XMPP_WRITE
+			                   tag:TAG_XMPP_WRITE_STREAM];
+		}
+		
+		// Make sure the delegate didn't disconnect us in the xmppStream:willSendP2PFeatures: method.
+		
+		if ([self isConnected])
+		{
+			[multicastDelegate xmppStreamDidConnect:self];
+		}
+	}
+	else
+	{
+		// Check for RFC compliance
+		if ([self serverXmppStreamVersionNumber] >= 1.0)
+		{
+			// Update state - we're now onto stream negotiations
+			state = STATE_XMPP_NEGOTIATING;
+			
+			// Note: We're waiting for the <stream:features> now
+		}
+		else
+		{
+			// The server isn't RFC comliant, and won't be sending any stream features.
+			
+			// We would still like to know what authentication features it supports though,
+			// so we'll use the jabber:iq:auth namespace, which was used prior to the RFC spec.
+			
+			// Update state - we're onto psuedo negotiation
+			state = STATE_XMPP_NEGOTIATING;
+			
+			NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:auth"];
+			
+            XMPPIQ *iq = [XMPPIQ iqWithType:@"get" elementID:[self generateUUID]];
+			[iq addChild:query];
+			
+			NSString *outgoingStr = [iq compactXMLString];
+			NSData *outgoingData = [outgoingStr dataUsingEncoding:NSUTF8StringEncoding];
+			
+			XMPPLogSend(@"SEND: %@", outgoingStr);
+			numberOfBytesSent += [outgoingData length];
+			
+			[asyncSocket writeData:outgoingData
+			           withTimeout:TIMEOUT_XMPP_WRITE
+			                   tag:TAG_XMPP_WRITE_STREAM];
+			
+			// Now wait for the response IQ
+		}
+	}
+}
+
+- (void)xmppParser:(XMPPParser *)sender didReadElement:(NSXMLElement *)element
+{
+	// This method is invoked on the xmppQueue.
+	
+	if (sender != parser) return;
+	
+	XMPPLogTrace();
+	XMPPLogRecvPost(@"RECV: %@", [element compactXMLString]);
+		
+	NSString *elementName = [element name];
+	
+	if ([elementName isEqualToString:@"stream:error"] || [elementName isEqualToString:@"error"])
+	{
+		[multicastDelegate xmppStream:self didReceiveError:element];
+		
+		return;
+	}
+	
+	if (state == STATE_XMPP_NEGOTIATING)
+	{
+		// We've just read in the stream features
+		// We consider this part of the root element, so we'll add it (replacing any previously sent features)
+    [rootElement setChildren:@[element]];
+		
+		// Call a method to handle any requirements set forth in the features
+		[self handleStreamFeatures];
+	}
+	else if (state == STATE_XMPP_STARTTLS_1)
+	{
+		// The response from our starttls message
+		[self handleStartTLSResponse:element];
+	}
+	else if (state == STATE_XMPP_REGISTERING)
+	{
+		// The iq response from our registration request
+		[self handleRegistration:element];
+	}
+	else if (state == STATE_XMPP_AUTH)
+	{
+		// Some response to the authentication process
+		[self handleAuth:element];
+	}
+	else if (state == STATE_XMPP_BINDING)
+	{
+		if (customBinding)
+		{
+			[self handleCustomBinding:element];
+		}
+		else
+		{
+			BOOL invalid = NO;
+			if (validatesResponses)
+			{
+				XMPPIQ *iq = [XMPPIQ iqFromElement:element];
+				if (![idTracker invokeForElement:iq withObject:nil])
+				{
+					invalid = YES;
+				}
+			}
+			if (!invalid)
+			{
+				// The response from our binding request
+				[self handleStandardBinding:element];
+			}
+		}
+	}
+	else if (state == STATE_XMPP_START_SESSION)
+	{
+		BOOL invalid = NO;
+		if (validatesResponses)
+		{
+			XMPPIQ *iq = [XMPPIQ iqFromElement:element];
+			if (![idTracker invokeForElement:iq withObject:nil])
+			{
+				invalid = YES;
+			}
+		}
+		if (!invalid)
+		{
+			// The response from our start session request
+			[self handleStartSessionResponse:element];
+		}
+	}
+	else
+	{
+		if ([elementName isEqualToString:@"iq"])
+		{
+			[self receiveIQ:[XMPPIQ iqFromElement:element]];
+		}
+		else if ([elementName isEqualToString:@"message"])
+		{
+			[self receiveMessage:[XMPPMessage messageFromElement:element]];
+		}
+		else if ([elementName isEqualToString:@"presence"])
+		{
+			[self receivePresence:[XMPPPresence presenceFromElement:element]];
+		}
+		else if ([self isP2P] &&
+		        ([elementName isEqualToString:@"stream:features"] || [elementName isEqualToString:@"features"]))
+		{
+			[multicastDelegate xmppStream:self didReceiveP2PFeatures:element];
+		}
+		else if ([customElementNames countForObject:elementName])
+		{
+			[multicastDelegate xmppStream:self didReceiveCustomElement:element];
+		}
+		else
+		{
+			[multicastDelegate xmppStream:self didReceiveError:element];
+		}
+	}
+}
+
+- (void)xmppParserDidParseData:(XMPPParser *)sender
+{
+	// This method is invoked on the xmppQueue.
+	
+	if (sender != parser) return;
+	
+	XMPPLogTrace();
+	
+	if (![self isSecure])
+	{
+		// Continue reading for XML elements
+		if (state == STATE_XMPP_OPENING)
+		{
+			[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_START tag:TAG_XMPP_READ_START];
+		}
+		else if (state != STATE_XMPP_STARTTLS_2) // Don't queue read operation prior to [asyncSocket startTLS:]
+		{
+			[asyncSocket readDataWithTimeout:TIMEOUT_XMPP_READ_STREAM tag:TAG_XMPP_READ_STREAM];
+		}
+	}
+}
+
+- (void)xmppParserDidEnd:(XMPPParser *)sender
+{
+	// This method is invoked on the xmppQueue.
+	
+	if (sender != parser) return;
+	
+	XMPPLogTrace();
+	
+	[asyncSocket disconnect];
+}
+
+- (void)xmppParser:(XMPPParser *)sender didFail:(NSError *)error
+{
+	// This method is invoked on the xmppQueue.
+	
+	if (sender != parser) return;
+	
+	XMPPLogTrace();
+	
+	parserError = error;
+	[asyncSocket disconnect];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Keep Alive
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setupKeepAliveTimer
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if (keepAliveTimer)
+	{
+		dispatch_source_cancel(keepAliveTimer);
+		keepAliveTimer = NULL;
+	}
+	
+	if (state == STATE_XMPP_CONNECTED)
+	{
+		if (keepAliveInterval > 0)
+		{
+			keepAliveTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, xmppQueue);
+			
+			dispatch_source_set_event_handler(keepAliveTimer, ^{ @autoreleasepool {
+				
+				[self keepAlive];
+			}});
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_source_t theKeepAliveTimer = keepAliveTimer;
+			
+			dispatch_source_set_cancel_handler(keepAliveTimer, ^{
+				XMPPLogVerbose(@"dispatch_release(keepAliveTimer)");
+				dispatch_release(theKeepAliveTimer);
+			});
+			#endif
+			
+			// Everytime we send or receive data, we update our lastSendReceiveTime.
+			// We set our timer to fire several times per keepAliveInterval.
+			// This allows us to maintain a single timer,
+			// and an acceptable timer resolution (assuming larger keepAliveIntervals).
+			
+			uint64_t interval = ((keepAliveInterval / 4.0) * NSEC_PER_SEC);
+			
+			dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, interval);
+			
+			dispatch_source_set_timer(keepAliveTimer, tt, interval, 1.0);
+			dispatch_resume(keepAliveTimer);
+		}
+	}
+}
+
+- (void)keepAlive
+{
+	NSAssert(dispatch_get_specific(xmppQueueTag), @"Invoked on incorrect queue");
+	
+	if (state == STATE_XMPP_CONNECTED)
+	{
+		NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
+		NSTimeInterval elapsed = (now - lastSendReceiveTime);
+		
+		if (elapsed < 0 || elapsed >= keepAliveInterval)
+		{
+			numberOfBytesSent += [keepAliveData length];
+			
+			[asyncSocket writeData:keepAliveData
+			           withTimeout:TIMEOUT_XMPP_WRITE
+			                   tag:TAG_XMPP_WRITE_STREAM];
+			
+			// Force update the lastSendReceiveTime here just to be safe.
+			// 
+			// In case the TCP socket comes to a crawl with a giant element in the queue,
+			// which would prevent the socket:didWriteDataWithTag: method from being called for some time.
+			
+			lastSendReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Stanza Validation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isValidResponseElementFrom:(XMPPJID *)from forRequestElementTo:(XMPPJID *)to
+{
+    BOOL valid = YES;
+    
+    if(to)
+    {
+        if(![to isEqualToJID:from])
+        {
+            valid = NO;
+        }
+    }
+/**
+ * Replies for Stanza's that had no TO will be accepted if the FROM is:
+ *
+ * No from.
+ * from = the bare account JID.
+ * from = the full account JID (legal in 3920, but not 6120).
+ * from = the server's domain.
+**/
+    else if(!to && from)
+    {
+        if(![from isEqualToJID:self.myJID options:XMPPJIDCompareBare]
+           && ![from isEqualToJID:self.myJID options:XMPPJIDCompareFull]
+           && ![from isEqualToJID:[self.myJID domainJID] options:XMPPJIDCompareFull])
+        {
+            valid = NO;
+        }
+    }
+    
+    return valid;
+}
+
+- (BOOL)isValidResponseElement:(XMPPElement *)response forRequestElement:(XMPPElement *)request
+{
+    if(!response || !request) return NO;
+    
+    return [self isValidResponseElementFrom:[response from] forRequestElementTo:[request to]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Module Plug-In System
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)registerModule:(XMPPModule *)module
+{
+	if (module == nil) return;
+	
+	// Asynchronous operation
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Register module
+		
+		[registeredModules addObject:module];
+		
+		// Add auto delegates (if there are any)
+		
+		NSString *className = NSStringFromClass([module class]);
+		GCDMulticastDelegate *autoDelegates = autoDelegateDict[className];
+		
+		GCDMulticastDelegateEnumerator *autoDelegatesEnumerator = [autoDelegates delegateEnumerator];
+		id delegate;
+		dispatch_queue_t delegateQueue;
+		
+		while ([autoDelegatesEnumerator getNextDelegate:&delegate delegateQueue:&delegateQueue])
+		{
+			[module addDelegate:delegate delegateQueue:delegateQueue];
+		}
+		
+		// Notify our own delegate(s)
+		
+		[multicastDelegate xmppStream:self didRegisterModule:module];
+		
+	}};
+	
+	// Asynchronous operation
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)unregisterModule:(XMPPModule *)module
+{
+	if (module == nil) return;
+	
+	// Synchronous operation
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Notify our own delegate(s)
+		
+		[multicastDelegate xmppStream:self willUnregisterModule:module];
+		
+		// Remove auto delegates (if there are any)
+		
+		NSString *className = NSStringFromClass([module class]);
+		GCDMulticastDelegate *autoDelegates = autoDelegateDict[className];
+		
+		GCDMulticastDelegateEnumerator *autoDelegatesEnumerator = [autoDelegates delegateEnumerator];
+		id delegate;
+		dispatch_queue_t delegateQueue;
+		
+		while ([autoDelegatesEnumerator getNextDelegate:&delegate delegateQueue:&delegateQueue])
+		{
+			// The module itself has dispatch_sync'd in order to invoke its deactivate method,
+			// which has in turn invoked this method. If we call back into the module,
+			// and have it dispatch_sync again, we're going to get a deadlock.
+			// So we must remove the delegate(s) asynchronously.
+			
+			[module removeDelegate:delegate delegateQueue:delegateQueue synchronously:NO];
+		}
+		
+		// Unregister modules
+		
+		[registeredModules removeObject:module];
+		
+	}};
+	
+	// Synchronous operation
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)autoAddDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue toModulesOfClass:(Class)aClass
+{
+	if (delegate == nil) return;
+	if (aClass == nil) return;
+	
+	// Asynchronous operation
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSString *className = NSStringFromClass(aClass);
+		
+		// Add the delegate to all currently registered modules of the given class.
+		
+		for (XMPPModule *module in registeredModules)
+		{
+			if ([module isKindOfClass:aClass])
+			{
+				[module addDelegate:delegate delegateQueue:delegateQueue];
+			}
+		}
+		
+		// Add the delegate to list of auto delegates for the given class.
+		// It will be added as a delegate to future registered modules of the given class.
+		
+		id delegates = autoDelegateDict[className];
+		if (delegates == nil)
+		{
+			delegates = [[GCDMulticastDelegate alloc] init];
+			
+			autoDelegateDict[className] = delegates;
+		}
+		
+		[delegates addDelegate:delegate delegateQueue:delegateQueue];
+		
+	}};
+	
+	// Asynchronous operation
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_async(xmppQueue, block);
+}
+
+- (void)removeAutoDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue fromModulesOfClass:(Class)aClass
+{
+	if (delegate == nil) return;
+	// delegateQueue may be NULL
+	// aClass may be NULL
+	
+	// Synchronous operation
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (aClass == NULL)
+		{
+			// Remove the delegate from all currently registered modules of ANY class.
+			
+			for (XMPPModule *module in registeredModules)
+			{
+				[module removeDelegate:delegate delegateQueue:delegateQueue];
+			}
+			
+			// Remove the delegate from list of auto delegates for all classes,
+			// so that it will not be auto added as a delegate to future registered modules.
+			
+			for (GCDMulticastDelegate *delegates in [autoDelegateDict objectEnumerator])
+			{
+				[delegates removeDelegate:delegate delegateQueue:delegateQueue];
+			}
+		}
+		else
+		{
+			NSString *className = NSStringFromClass(aClass);
+			
+			// Remove the delegate from all currently registered modules of the given class.
+			
+			for (XMPPModule *module in registeredModules)
+			{
+				if ([module isKindOfClass:aClass])
+				{
+					[module removeDelegate:delegate delegateQueue:delegateQueue];
+				}
+			}
+			
+			// Remove the delegate from list of auto delegates for the given class,
+			// so that it will not be added as a delegate to future registered modules of the given class.
+			
+			GCDMulticastDelegate *delegates = autoDelegateDict[className];
+			[delegates removeDelegate:delegate delegateQueue:delegateQueue];
+			
+			if ([delegates count] == 0)
+			{
+				[autoDelegateDict removeObjectForKey:className];
+			}
+		}
+		
+	}};
+	
+	// Synchronous operation
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)enumerateModulesWithBlock:(void (^)(XMPPModule *module, NSUInteger idx, BOOL *stop))enumBlock
+{
+	if (enumBlock == NULL) return;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSUInteger i = 0;
+		BOOL stop = NO;
+		
+		for (XMPPModule *module in registeredModules)
+		{
+			enumBlock(module, i, &stop);
+			
+			if (stop)
+				break;
+			else
+				i++;
+		}
+	}};
+	
+	// Synchronous operation
+	
+	if (dispatch_get_specific(xmppQueueTag))
+		block();
+	else
+		dispatch_sync(xmppQueue, block);
+}
+
+- (void)enumerateModulesOfClass:(Class)aClass withBlock:(void (^)(XMPPModule *module, NSUInteger idx, BOOL *stop))block
+{
+    [self enumerateModulesWithBlock:^(XMPPModule *module, NSUInteger idx, BOOL *stop)
+    {
+        if([module isKindOfClass:aClass])
+        {
+            block(module,idx,stop);
+        }
+    }];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSString *)generateUUID
+{
+	NSString *result = nil;
+	
+	CFUUIDRef uuid = CFUUIDCreate(NULL);
+	if (uuid)
+	{
+		result = (__bridge_transfer NSString *)CFUUIDCreateString(NULL, uuid);
+		CFRelease(uuid);
+	}
+	
+	return result;
+}
+
+- (NSString *)generateUUID
+{
+	return [[self class] generateUUID];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPElementReceipt
+
+static const uint32_t receipt_unknown = 0 << 0;
+static const uint32_t receipt_failure = 1 << 0;
+static const uint32_t receipt_success = 1 << 1;
+
+
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		atomicFlags = receipt_unknown;
+		semaphore = dispatch_semaphore_create(0);
+	}
+	return self;
+}
+
+- (void)signalSuccess
+{
+	uint32_t mask = receipt_success;
+	OSAtomicOr32Barrier(mask, &atomicFlags);
+	
+	dispatch_semaphore_signal(semaphore);
+}
+
+- (void)signalFailure
+{
+	uint32_t mask = receipt_failure;
+	OSAtomicOr32Barrier(mask, &atomicFlags);
+	
+	dispatch_semaphore_signal(semaphore);
+}
+
+- (BOOL)wait:(NSTimeInterval)timeout_seconds
+{
+	uint32_t mask = 0;
+	uint32_t flags = OSAtomicOr32Barrier(mask, &atomicFlags);
+	
+	if (flags != receipt_unknown) return (flags == receipt_success);
+	
+	dispatch_time_t timeout_nanos;
+	
+	if (isless(timeout_seconds, 0.0))
+		timeout_nanos = DISPATCH_TIME_FOREVER;
+	else
+		timeout_nanos = dispatch_time(DISPATCH_TIME_NOW, (timeout_seconds * NSEC_PER_SEC));
+	
+	// dispatch_semaphore_wait
+	// 
+	// Decrement the counting semaphore. If the resulting value is less than zero,
+	// this function waits in FIFO order for a signal to occur before returning.
+	// 
+	// Returns zero on success, or non-zero if the timeout occurred.
+	// 
+	// Note: If the timeout occurs, the semaphore value is incremented (without signaling).
+	
+	long result = dispatch_semaphore_wait(semaphore, timeout_nanos);
+	
+	if (result == 0)
+	{
+		flags = OSAtomicOr32Barrier(mask, &atomicFlags);
+		
+		return (flags == receipt_success);
+	}
+	else
+	{
+		// Timed out waiting...
+		return NO;
+	}
+}
+
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	dispatch_release(semaphore);
+	#endif
+}
+
+@end
diff --git a/Example/PNXMPPFramework.xcodeproj/project.pbxproj b/Example/PNXMPPFramework.xcodeproj/project.pbxproj
index 32f662e..586e13c 100644
--- a/Example/PNXMPPFramework.xcodeproj/project.pbxproj
+++ b/Example/PNXMPPFramework.xcodeproj/project.pbxproj
@@ -467,7 +467,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -500,7 +500,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index e9e0ea4..3fc1cbe 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -6,14 +6,11 @@ PODS:
     - CocoaAsyncSocket/RunLoop
   - CocoaAsyncSocket/GCD (7.4.3)
   - CocoaAsyncSocket/RunLoop (7.4.3)
-  - CocoaLumberjack (2.2.0):
-    - CocoaLumberjack/Default (= 2.2.0)
-    - CocoaLumberjack/Extensions (= 2.2.0)
-  - CocoaLumberjack/Core (2.2.0)
-  - CocoaLumberjack/Default (2.2.0):
+  - CocoaLumberjack (1.9.2):
+    - CocoaLumberjack/Extensions (= 1.9.2)
+  - CocoaLumberjack/Core (1.9.2)
+  - CocoaLumberjack/Extensions (1.9.2):
     - CocoaLumberjack/Core
-  - CocoaLumberjack/Extensions (2.2.0):
-    - CocoaLumberjack/Default
   - FBSnapshotTestCase (2.0.7):
     - FBSnapshotTestCase/SwiftSupport (= 2.0.7)
   - FBSnapshotTestCase/Core (2.0.7)
@@ -25,9 +22,145 @@ PODS:
   - KissXML/Standard (5.0.3):
     - KissXML/Core
   - PNXMPPFramework (0.1.0):
+    - PNXMPPFramework/Authentication (= 0.1.0)
+    - PNXMPPFramework/BandwidthMonitor (= 0.1.0)
+    - PNXMPPFramework/Categories (= 0.1.0)
+    - PNXMPPFramework/Core (= 0.1.0)
+    - PNXMPPFramework/CoreDataStorage (= 0.1.0)
+    - PNXMPPFramework/GoogleSharedStatus (= 0.1.0)
+    - PNXMPPFramework/ProcessOne (= 0.1.0)
+    - PNXMPPFramework/Reconnect (= 0.1.0)
+    - PNXMPPFramework/Roster (= 0.1.0)
+    - PNXMPPFramework/SystemInputActivityMonitor (= 0.1.0)
+    - PNXMPPFramework/Utilities (= 0.1.0)
+    - PNXMPPFramework/XEP-0009 (= 0.1.0)
+    - PNXMPPFramework/XEP-0012 (= 0.1.0)
+    - PNXMPPFramework/XEP-0016 (= 0.1.0)
+    - PNXMPPFramework/XEP-0045 (= 0.1.0)
+    - PNXMPPFramework/XEP-0054 (= 0.1.0)
+    - PNXMPPFramework/XEP-0059 (= 0.1.0)
+    - PNXMPPFramework/XEP-0060 (= 0.1.0)
+    - PNXMPPFramework/XEP-0065 (= 0.1.0)
+    - PNXMPPFramework/XEP-0066 (= 0.1.0)
+    - PNXMPPFramework/XEP-0082 (= 0.1.0)
+    - PNXMPPFramework/XEP-0085 (= 0.1.0)
+    - PNXMPPFramework/XEP-0092 (= 0.1.0)
+    - PNXMPPFramework/XEP-0100 (= 0.1.0)
+    - PNXMPPFramework/XEP-0106 (= 0.1.0)
+    - PNXMPPFramework/XEP-0115 (= 0.1.0)
+    - PNXMPPFramework/XEP-0136 (= 0.1.0)
+    - PNXMPPFramework/XEP-0153 (= 0.1.0)
+    - PNXMPPFramework/XEP-0172 (= 0.1.0)
+    - PNXMPPFramework/XEP-0184 (= 0.1.0)
+    - PNXMPPFramework/XEP-0191 (= 0.1.0)
+    - PNXMPPFramework/XEP-0198 (= 0.1.0)
+    - PNXMPPFramework/XEP-0199 (= 0.1.0)
+    - PNXMPPFramework/XEP-0202 (= 0.1.0)
+    - PNXMPPFramework/XEP-0203 (= 0.1.0)
+    - PNXMPPFramework/XEP-0223 (= 0.1.0)
+    - PNXMPPFramework/XEP-0224 (= 0.1.0)
+    - PNXMPPFramework/XEP-0280 (= 0.1.0)
+    - PNXMPPFramework/XEP-0297 (= 0.1.0)
+    - PNXMPPFramework/XEP-0308 (= 0.1.0)
+    - PNXMPPFramework/XEP-0333 (= 0.1.0)
+    - PNXMPPFramework/XEP-0335 (= 0.1.0)
+  - PNXMPPFramework/Authentication (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/BandwidthMonitor (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Categories (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Core (0.1.0):
     - CocoaAsyncSocket
-    - CocoaLumberjack
+    - CocoaLumberjack (~> 1.9)
     - KissXML
+  - PNXMPPFramework/CoreDataStorage (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/GoogleSharedStatus (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/ProcessOne (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Reconnect (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Roster (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+  - PNXMPPFramework/SystemInputActivityMonitor (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Utilities (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0009 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0012 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0016 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0045 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0054 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/Roster
+  - PNXMPPFramework/XEP-0059 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0060 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0065 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0066 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0082 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0085 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0092 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0100 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0106 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0115 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+  - PNXMPPFramework/XEP-0136 (0.1.0):
+    - PNXMPPFramework/CoreDataStorage
+    - PNXMPPFramework/XEP-0085
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0153 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0054
+  - PNXMPPFramework/XEP-0172 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0184 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0191 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0198 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0199 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0202 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0082
+  - PNXMPPFramework/XEP-0203 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0082
+  - PNXMPPFramework/XEP-0223 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0224 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0280 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0297 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0308 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0333 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0335 (0.1.0):
+    - PNXMPPFramework/Core
 
 DEPENDENCIES:
   - FBSnapshotTestCase
@@ -39,10 +172,10 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   CocoaAsyncSocket: a18c75dca4b08723628a0bacca6e94803d90be91
-  CocoaLumberjack: 17fe8581f84914d5d7e6360f7c70022b173c3ae0
+  CocoaLumberjack: 628fca2e88ef06f7cf6817309aa405f325d9a6fa
   FBSnapshotTestCase: 7e85180d0d141a0cf472352edda7e80d7eaeb547
   KissXML: d19dd6dc65e0dc721ba92b3077b8ebdd240f1c1e
-  PNXMPPFramework: 85a177de196fd742392f6ed0053c9cd2dd160f06
+  PNXMPPFramework: 69989a4b1f7470763acd3e9a3d982ddfa5c161df
 
 PODFILE CHECKSUM: c24dacdc80a49fe0e0fea049a6d762eb76667498
 
diff --git a/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.h b/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.h
deleted file mode 100644
index 0b568fb..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.h
+++ /dev/null
@@ -1,81 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-/**
- * Welcome to CocoaLumberjack!
- *
- * The project page has a wealth of documentation if you have any questions.
- * https://github.com/CocoaLumberjack/CocoaLumberjack
- *
- * If you're new to the project you may wish to read "Getting Started" at:
- * Documentation/GettingStarted.md
- *
- * Otherwise, here is a quick refresher.
- * There are three steps to using the macros:
- *
- * Step 1:
- * Import the header in your implementation or prefix file:
- *
- * #import <CocoaLumberjack/CocoaLumberjack.h>
- *
- * Step 2:
- * Define your logging level in your implementation file:
- *
- * // Log levels: off, error, warn, info, verbose
- * static const DDLogLevel ddLogLevel = DDLogLevelVerbose;
- *
- * Step 2 [3rd party frameworks]:
- *
- * Define your LOG_LEVEL_DEF to a different variable/function than ddLogLevel:
- *
- * // #undef LOG_LEVEL_DEF // Undefine first only if needed
- * #define LOG_LEVEL_DEF myLibLogLevel
- *
- * Define your logging level in your implementation file:
- *
- * // Log levels: off, error, warn, info, verbose
- * static const DDLogLevel myLibLogLevel = DDLogLevelVerbose;
- *
- * Step 3:
- * Replace your NSLog statements with DDLog statements according to the severity of the message.
- *
- * NSLog(@"Fatal error, no dohickey found!"); -> DDLogError(@"Fatal error, no dohickey found!");
- *
- * DDLog works exactly the same as NSLog.
- * This means you can pass it multiple variables just like NSLog.
- **/
-
-#import <Foundation/Foundation.h>
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-// Core
-#import "DDLog.h"
-
-// Main macros
-#import "DDLogMacros.h"
-#import "DDAssertMacros.h"
-
-// Capture ASL
-#import "DDASLLogCapture.h"
-
-// Loggers
-#import "DDTTYLogger.h"
-#import "DDASLLogger.h"
-#import "DDFileLogger.h"
-
diff --git a/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.swift b/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.swift
deleted file mode 100644
index 5f022ce..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/CocoaLumberjack.swift
+++ /dev/null
@@ -1,91 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2014-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-import Foundation
-
-extension DDLogFlag {
-    public static func fromLogLevel(logLevel: DDLogLevel) -> DDLogFlag {
-        return DDLogFlag(rawValue: logLevel.rawValue)
-    }
-	
-	public init(_ logLevel: DDLogLevel) {
-        self = DDLogFlag(rawValue: logLevel.rawValue)
-	}
-    
-    ///returns the log level, or the lowest equivalant.
-    public func toLogLevel() -> DDLogLevel {
-        if let ourValid = DDLogLevel(rawValue: self.rawValue) {
-            return ourValid
-        } else {
-            let logFlag:DDLogFlag = self
-            
-            if logFlag.contains(.Verbose) {
-                return .Verbose
-            } else if logFlag.contains(.Debug) {
-                return .Debug
-            } else if logFlag.contains(.Info) {
-                return .Info
-            } else if logFlag.contains(.Warning) {
-                return .Warning
-            } else if logFlag.contains(.Error) {
-                return .Error
-            } else {
-                return .Off
-            }
-        }
-    }
-}
-
-public var defaultDebugLevel = DDLogLevel.Verbose
-
-public func resetDefaultDebugLevel() {
-    defaultDebugLevel = DDLogLevel.Verbose
-}
-
-public func SwiftLogMacro(isAsynchronous: Bool, level: DDLogLevel, flag flg: DDLogFlag, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, @autoclosure string: () -> String) {
-    if level.rawValue & flg.rawValue != 0 {
-        // Tell the DDLogMessage constructor to copy the C strings that get passed to it.
-        // Using string interpolation to prevent integer overflow warning when using StaticString.stringValue
-        let logMessage = DDLogMessage(message: string(), level: level, flag: flg, context: context, file: "\(file)", function: "\(function)", line: line, tag: tag, options: [.CopyFile, .CopyFunction], timestamp: nil)
-        DDLog.log(isAsynchronous, message: logMessage)
-    }
-}
-
-public func DDLogDebug(@autoclosure logText: () -> String, level: DDLogLevel = defaultDebugLevel, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, asynchronous async: Bool = true) {
-    SwiftLogMacro(async, level: level, flag: .Debug, context: context, file: file, function: function, line: line, tag: tag, string: logText)
-}
-
-public func DDLogInfo(@autoclosure logText: () -> String, level: DDLogLevel = defaultDebugLevel, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, asynchronous async: Bool = true) {
-    SwiftLogMacro(async, level: level, flag: .Info, context: context, file: file, function: function, line: line, tag: tag, string: logText)
-}
-
-public func DDLogWarn(@autoclosure logText: () -> String, level: DDLogLevel = defaultDebugLevel, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, asynchronous async: Bool = true) {
-    SwiftLogMacro(async, level: level, flag: .Warning, context: context, file: file, function: function, line: line, tag: tag, string: logText)
-}
-
-public func DDLogVerbose(@autoclosure logText: () -> String, level: DDLogLevel = defaultDebugLevel, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, asynchronous async: Bool = true) {
-    SwiftLogMacro(async, level: level, flag: .Verbose, context: context, file: file, function: function, line: line, tag: tag, string: logText)
-}
-
-public func DDLogError(@autoclosure logText: () -> String, level: DDLogLevel = defaultDebugLevel, context: Int = 0, file: StaticString = __FILE__, function: StaticString = __FUNCTION__, line: UInt = __LINE__, tag: AnyObject? = nil, asynchronous async: Bool = false) {
-    SwiftLogMacro(async, level: level, flag: .Error, context: context, file: file, function: function, line: line, tag: tag, string: logText)
-}
-
-/// Analogous to the C preprocessor macro `THIS_FILE`.
-public func CurrentFileName(fileName: StaticString = __FILE__) -> String {
-    // Using string interpolation to prevent integer overflow warning when using StaticString.stringValue
-    // This double-casting to NSString is necessary as changes to how Swift handles NSPathUtilities requres the string to be an NSString
-    return (("\(fileName)" as NSString).lastPathComponent as NSString).stringByDeletingPathExtension
-}
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.h b/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.h
deleted file mode 100644
index f7fa79f..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.h
+++ /dev/null
@@ -1,48 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDASLLogger.h"
-
-@protocol DDLogger;
-
-/**
- *  This class provides the ability to capture the ASL (Apple System Logs)
- */
-@interface DDASLLogCapture : NSObject
-
-/**
- *  Start capturing logs
- */
-+ (void)start;
-
-/**
- *  Stop capturing logs
- */
-+ (void)stop;
-
-/**
- *  Returns the current capture level.
- *  @note Default log level: DDLogLevelVerbose (i.e. capture all ASL messages).
- */
-+ (DDLogLevel)captureLevel;
-
-/**
- *  Set the capture level
- *
- *  @param level new level
- */
-+ (void)setCaptureLevel:(DDLogLevel)level;
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.m b/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.m
deleted file mode 100644
index 98d5342..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDASLLogCapture.m
+++ /dev/null
@@ -1,230 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDASLLogCapture.h"
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-#include <asl.h>
-#include <notify.h>
-#include <notify_keys.h>
-#include <sys/time.h>
-
-static BOOL _cancel = YES;
-static DDLogLevel _captureLevel = DDLogLevelVerbose;
-
-#ifdef __IPHONE_8_0
-    #define DDASL_IOS_PIVOT_VERSION __IPHONE_8_0
-#endif
-#ifdef __MAC_10_10
-    #define DDASL_OSX_PIVOT_VERSION __MAC_10_10
-#endif
-
-@implementation DDASLLogCapture
-
-static aslmsg (*dd_asl_next)(aslresponse obj);
-static void (*dd_asl_release)(aslresponse obj);
-
-+ (void)initialize
-{
-    #if (defined(DDASL_IOS_PIVOT_VERSION) && __IPHONE_OS_VERSION_MAX_ALLOWED >= DDASL_IOS_PIVOT_VERSION) || (defined(DDASL_OSX_PIVOT_VERSION) && __MAC_OS_X_VERSION_MAX_ALLOWED >= DDASL_OSX_PIVOT_VERSION)
-        #if __IPHONE_OS_VERSION_MIN_REQUIRED < DDASL_IOS_PIVOT_VERSION || __MAC_OS_X_VERSION_MIN_REQUIRED < DDASL_OSX_PIVOT_VERSION
-            #pragma GCC diagnostic push
-            #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-                // Building on falsely advertised SDK, targeting deprecated API
-                dd_asl_next    = &aslresponse_next;
-                dd_asl_release = &aslresponse_free;
-            #pragma GCC diagnostic pop
-        #else
-            // Building on lastest, correct SDK, targeting latest API
-            dd_asl_next    = &asl_next;
-            dd_asl_release = &asl_release;
-        #endif
-    #else
-        // Building on old SDKs, targeting deprecated API
-        dd_asl_next    = &aslresponse_next;
-        dd_asl_release = &aslresponse_free;
-    #endif
-}
-
-+ (void)start {
-    // Ignore subsequent calls
-    if (!_cancel) {
-        return;
-    }
-    
-    _cancel = NO;
-    
-    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void) {
-        [self captureAslLogs];
-    });
-}
-
-+ (void)stop {
-    _cancel = YES;
-}
-
-+ (DDLogLevel)captureLevel {
-    return _captureLevel;
-}
-
-+ (void)setCaptureLevel:(DDLogLevel)level {
-    _captureLevel = level;
-}
-
-#pragma mark - Private methods
-
-+ (void)configureAslQuery:(aslmsg)query {
-    const char param[] = "7";  // ASL_LEVEL_DEBUG, which is everything. We'll rely on regular DDlog log level to filter
-    
-    asl_set_query(query, ASL_KEY_LEVEL, param, ASL_QUERY_OP_LESS_EQUAL | ASL_QUERY_OP_NUMERIC);
-
-    // Don't retrieve logs from our own DDASLLogger
-    asl_set_query(query, kDDASLKeyDDLog, kDDASLDDLogValue, ASL_QUERY_OP_NOT_EQUAL);
-    
-#if !TARGET_OS_IPHONE || TARGET_SIMULATOR
-    int processId = [[NSProcessInfo processInfo] processIdentifier];
-    char pid[16];
-    sprintf(pid, "%d", processId);
-    asl_set_query(query, ASL_KEY_PID, pid, ASL_QUERY_OP_EQUAL | ASL_QUERY_OP_NUMERIC);
-#endif
-}
-
-+ (void)aslMessageReceived:(aslmsg)msg {
-    const char* messageCString = asl_get( msg, ASL_KEY_MSG );
-    if ( messageCString == NULL )
-        return;
-
-    int flag;
-    BOOL async;
-
-    const char* levelCString = asl_get(msg, ASL_KEY_LEVEL);
-    switch (levelCString? atoi(levelCString) : 0) {
-        // By default all NSLog's with a ASL_LEVEL_WARNING level
-        case ASL_LEVEL_EMERG    :
-        case ASL_LEVEL_ALERT    :
-        case ASL_LEVEL_CRIT     : flag = DDLogFlagError;    async = NO;  break;
-        case ASL_LEVEL_ERR      : flag = DDLogFlagWarning;  async = YES; break;
-        case ASL_LEVEL_WARNING  : flag = DDLogFlagInfo;     async = YES; break;
-        case ASL_LEVEL_NOTICE   : flag = DDLogFlagDebug;    async = YES; break;
-        case ASL_LEVEL_INFO     :
-        case ASL_LEVEL_DEBUG    :
-        default                 : flag = DDLogFlagVerbose;  async = YES;  break;
-    }
-
-    if (!(_captureLevel & flag)) {
-        return;
-    }
-
-    //  NSString * sender = [NSString stringWithCString:asl_get(msg, ASL_KEY_SENDER) encoding:NSUTF8StringEncoding];
-    NSString *message = @(messageCString);
-
-    const char* secondsCString = asl_get( msg, ASL_KEY_TIME );
-    const char* nanoCString = asl_get( msg, ASL_KEY_TIME_NSEC );
-    NSTimeInterval seconds = secondsCString ? strtod(secondsCString, NULL) : [NSDate timeIntervalSinceReferenceDate] - NSTimeIntervalSince1970;
-    double nanoSeconds = nanoCString? strtod(nanoCString, NULL) : 0;
-    NSTimeInterval totalSeconds = seconds + (nanoSeconds / 1e9);
-
-    NSDate *timeStamp = [NSDate dateWithTimeIntervalSince1970:totalSeconds];
-
-    DDLogMessage *logMessage = [[DDLogMessage alloc]initWithMessage:message
-                                                              level:_captureLevel
-                                                               flag:flag
-                                                            context:0
-                                                               file:@"DDASLLogCapture"
-                                                           function:0
-                                                               line:0
-                                                                tag:nil
-                                                            options:0
-                                                          timestamp:timeStamp];
-    
-    [DDLog log:async message:logMessage];
-}
-
-+ (void)captureAslLogs {
-    @autoreleasepool
-    {
-        /*
-           We use ASL_KEY_MSG_ID to see each message once, but there's no
-           obvious way to get the "next" ID. To bootstrap the process, we'll
-           search by timestamp until we've seen a message.
-         */
-
-        struct timeval timeval = {
-            .tv_sec = 0
-        };
-        gettimeofday(&timeval, NULL);
-        unsigned long long startTime = timeval.tv_sec;
-        __block unsigned long long lastSeenID = 0;
-
-        /*
-           syslogd posts kNotifyASLDBUpdate (com.apple.system.logger.message)
-           through the notify API when it saves messages to the ASL database.
-           There is some coalescing - currently it is sent at most twice per
-           second - but there is no documented guarantee about this. In any
-           case, there may be multiple messages per notification.
-
-           Notify notifications don't carry any payload, so we need to search
-           for the messages.
-         */
-        int notifyToken = 0;  // Can be used to unregister with notify_cancel().
-        notify_register_dispatch(kNotifyASLDBUpdate, &notifyToken, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^(int token)
-        {
-            // At least one message has been posted; build a search query.
-            @autoreleasepool
-            {
-                aslmsg query = asl_new(ASL_TYPE_QUERY);
-                char stringValue[64];
-
-                if (lastSeenID > 0) {
-                    snprintf(stringValue, sizeof stringValue, "%llu", lastSeenID);
-                    asl_set_query(query, ASL_KEY_MSG_ID, stringValue, ASL_QUERY_OP_GREATER | ASL_QUERY_OP_NUMERIC);
-                } else {
-                    snprintf(stringValue, sizeof stringValue, "%llu", startTime);
-                    asl_set_query(query, ASL_KEY_TIME, stringValue, ASL_QUERY_OP_GREATER_EQUAL | ASL_QUERY_OP_NUMERIC);
-                }
-
-                [self configureAslQuery:query];
-
-                // Iterate over new messages.
-                aslmsg msg;
-                aslresponse response = asl_search(NULL, query);
-                
-                while ((msg = dd_asl_next(response)))
-                {
-                    [self aslMessageReceived:msg];
-
-                    // Keep track of which messages we've seen.
-                    lastSeenID = atoll(asl_get(msg, ASL_KEY_MSG_ID));
-                }
-                dd_asl_release(response);
-                asl_free(query);
-
-                if (_cancel) {
-                    notify_cancel(token);
-                    return;
-                }
-
-            }
-        });
-    }
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.h b/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.h
deleted file mode 100644
index 24cc1c3..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import <Foundation/Foundation.h>
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-// Custom key set on messages sent to ASL
-extern const char* const kDDASLKeyDDLog;
-
-// Value set for kDDASLKeyDDLog
-extern const char* const kDDASLDDLogValue;
-
-/**
- * This class provides a logger for the Apple System Log facility.
- *
- * As described in the "Getting Started" page,
- * the traditional NSLog() function directs its output to two places:
- *
- * - Apple System Log
- * - StdErr (if stderr is a TTY) so log statements show up in Xcode console
- *
- * To duplicate NSLog() functionality you can simply add this logger and a tty logger.
- * However, if you instead choose to use file logging (for faster performance),
- * you may choose to use a file logger and a tty logger.
- **/
-@interface DDASLLogger : DDAbstractLogger <DDLogger>
-
-/**
- *  Singleton method
- *
- *  @return the shared instance
- */
-+ (instancetype)sharedInstance;
-
-// Inherited from DDAbstractLogger
-
-// - (id <DDLogFormatter>)logFormatter;
-// - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.m b/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.m
deleted file mode 100644
index 90061c8..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDASLLogger.m
+++ /dev/null
@@ -1,121 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDASLLogger.h"
-#import <asl.h>
-
-#if !__has_feature(objc_arc)
-#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
-#endif
-
-const char* const kDDASLKeyDDLog = "DDLog";
-
-const char* const kDDASLDDLogValue = "1";
-
-static DDASLLogger *sharedInstance;
-
-@interface DDASLLogger () {
-    aslclient _client;
-}
-
-@end
-
-
-@implementation DDASLLogger
-
-+ (instancetype)sharedInstance {
-    static dispatch_once_t DDASLLoggerOnceToken;
-
-    dispatch_once(&DDASLLoggerOnceToken, ^{
-        sharedInstance = [[[self class] alloc] init];
-    });
-
-    return sharedInstance;
-}
-
-- (instancetype)init {
-    if (sharedInstance != nil) {
-        return nil;
-    }
-
-    if ((self = [super init])) {
-        // A default asl client is provided for the main thread,
-        // but background threads need to create their own client.
-
-        _client = asl_open(NULL, "com.apple.console", 0);
-    }
-
-    return self;
-}
-
-- (void)logMessage:(DDLogMessage *)logMessage {
-    // Skip captured log messages
-    if ([logMessage->_fileName isEqualToString:@"DDASLLogCapture"]) {
-        return;
-    }
-
-    NSString * message = _logFormatter ? [_logFormatter formatLogMessage:logMessage] : logMessage->_message;
-
-    if (logMessage) {
-        const char *msg = [message UTF8String];
-
-        size_t aslLogLevel;
-        switch (logMessage->_flag) {
-            // Note: By default ASL will filter anything above level 5 (Notice).
-            // So our mappings shouldn't go above that level.
-            case DDLogFlagError     : aslLogLevel = ASL_LEVEL_CRIT;     break;
-            case DDLogFlagWarning   : aslLogLevel = ASL_LEVEL_ERR;      break;
-            case DDLogFlagInfo      : aslLogLevel = ASL_LEVEL_WARNING;  break; // Regular NSLog's level
-            case DDLogFlagDebug     :
-            case DDLogFlagVerbose   :
-            default                 : aslLogLevel = ASL_LEVEL_NOTICE;   break;
-        }
-
-        static char const *const level_strings[] = { "0", "1", "2", "3", "4", "5", "6", "7" };
-
-        // NSLog uses the current euid to set the ASL_KEY_READ_UID.
-        uid_t const readUID = geteuid();
-
-        char readUIDString[16];
-#ifndef NS_BLOCK_ASSERTIONS
-        int l = snprintf(readUIDString, sizeof(readUIDString), "%d", readUID);
-#else
-        snprintf(readUIDString, sizeof(readUIDString), "%d", readUID);
-#endif
-
-        NSAssert(l < sizeof(readUIDString),
-                 @"Formatted euid is too long.");
-        NSAssert(aslLogLevel < (sizeof(level_strings) / sizeof(level_strings[0])),
-                 @"Unhandled ASL log level.");
-
-        aslmsg m = asl_new(ASL_TYPE_MSG);
-        if (m != NULL) {
-            if (asl_set(m, ASL_KEY_LEVEL, level_strings[aslLogLevel]) == 0 &&
-                asl_set(m, ASL_KEY_MSG, msg) == 0 &&
-                asl_set(m, ASL_KEY_READ_UID, readUIDString) == 0 &&
-                asl_set(m, kDDASLKeyDDLog, kDDASLDDLogValue) == 0) {
-                asl_send(_client, m);
-            }
-            asl_free(m);
-        }
-        //TODO handle asl_* failures non-silently?
-    }
-}
-
-- (NSString *)loggerName {
-    return @"cocoa.lumberjack.aslLogger";
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.m b/Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.m
deleted file mode 100644
index c8782de..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.m
+++ /dev/null
@@ -1,660 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDAbstractDatabaseLogger.h"
-#import <math.h>
-
-
-#if !__has_feature(objc_arc)
-#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
-#endif
-
-@interface DDAbstractDatabaseLogger ()
-
-- (void)destroySaveTimer;
-- (void)destroyDeleteTimer;
-
-@end
-
-#pragma mark -
-
-@implementation DDAbstractDatabaseLogger
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        _saveThreshold = 500;
-        _saveInterval = 60;           // 60 seconds
-        _maxAge = (60 * 60 * 24 * 7); //  7 days
-        _deleteInterval = (60 * 5);   //  5 minutes
-    }
-
-    return self;
-}
-
-- (void)dealloc {
-    [self destroySaveTimer];
-    [self destroyDeleteTimer];
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Override Me
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (BOOL)db_log:(DDLogMessage *)logMessage {
-    // Override me and add your implementation.
-    //
-    // Return YES if an item was added to the buffer.
-    // Return NO if the logMessage was ignored.
-
-    return NO;
-}
-
-- (void)db_save {
-    // Override me and add your implementation.
-}
-
-- (void)db_delete {
-    // Override me and add your implementation.
-}
-
-- (void)db_saveAndDelete {
-    // Override me and add your implementation.
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Private API
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (void)performSaveAndSuspendSaveTimer {
-    if (_unsavedCount > 0) {
-        if (_deleteOnEverySave) {
-            [self db_saveAndDelete];
-        } else {
-            [self db_save];
-        }
-    }
-
-    _unsavedCount = 0;
-    _unsavedTime = 0;
-
-    if (_saveTimer && !_saveTimerSuspended) {
-        dispatch_suspend(_saveTimer);
-        _saveTimerSuspended = YES;
-    }
-}
-
-- (void)performDelete {
-    if (_maxAge > 0.0) {
-        [self db_delete];
-
-        _lastDeleteTime = dispatch_time(DISPATCH_TIME_NOW, 0);
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Timers
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (void)destroySaveTimer {
-    if (_saveTimer) {
-        dispatch_source_cancel(_saveTimer);
-
-        if (_saveTimerSuspended) {
-            // Must resume a timer before releasing it (or it will crash)
-            dispatch_resume(_saveTimer);
-            _saveTimerSuspended = NO;
-        }
-
-        #if !OS_OBJECT_USE_OBJC
-        dispatch_release(_saveTimer);
-        #endif
-        _saveTimer = NULL;
-    }
-}
-
-- (void)updateAndResumeSaveTimer {
-    if ((_saveTimer != NULL) && (_saveInterval > 0.0) && (_unsavedTime > 0.0)) {
-        uint64_t interval = (uint64_t)(_saveInterval * NSEC_PER_SEC);
-        dispatch_time_t startTime = dispatch_time(_unsavedTime, interval);
-
-        dispatch_source_set_timer(_saveTimer, startTime, interval, 1.0);
-
-        if (_saveTimerSuspended) {
-            dispatch_resume(_saveTimer);
-            _saveTimerSuspended = NO;
-        }
-    }
-}
-
-- (void)createSuspendedSaveTimer {
-    if ((_saveTimer == NULL) && (_saveInterval > 0.0)) {
-        _saveTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, self.loggerQueue);
-
-        dispatch_source_set_event_handler(_saveTimer, ^{ @autoreleasepool {
-                                                            [self performSaveAndSuspendSaveTimer];
-                                                        } });
-
-        _saveTimerSuspended = YES;
-    }
-}
-
-- (void)destroyDeleteTimer {
-    if (_deleteTimer) {
-        dispatch_source_cancel(_deleteTimer);
-        #if !OS_OBJECT_USE_OBJC
-        dispatch_release(_deleteTimer);
-        #endif
-        _deleteTimer = NULL;
-    }
-}
-
-- (void)updateDeleteTimer {
-    if ((_deleteTimer != NULL) && (_deleteInterval > 0.0) && (_maxAge > 0.0)) {
-        uint64_t interval = (uint64_t)(_deleteInterval * NSEC_PER_SEC);
-        dispatch_time_t startTime;
-
-        if (_lastDeleteTime > 0) {
-            startTime = dispatch_time(_lastDeleteTime, interval);
-        } else {
-            startTime = dispatch_time(DISPATCH_TIME_NOW, interval);
-        }
-
-        dispatch_source_set_timer(_deleteTimer, startTime, interval, 1.0);
-    }
-}
-
-- (void)createAndStartDeleteTimer {
-    if ((_deleteTimer == NULL) && (_deleteInterval > 0.0) && (_maxAge > 0.0)) {
-        _deleteTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, self.loggerQueue);
-
-        if (_deleteTimer != NULL) {
-            dispatch_source_set_event_handler(_deleteTimer, ^{ @autoreleasepool {
-                                                                  [self performDelete];
-                                                              } });
-
-            [self updateDeleteTimer];
-
-            if (_deleteTimer != NULL) {
-                dispatch_resume(_deleteTimer);
-            }
-        }
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Configuration
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (NSUInteger)saveThreshold {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block NSUInteger result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _saveThreshold;
-        });
-    });
-
-    return result;
-}
-
-- (void)setSaveThreshold:(NSUInteger)threshold {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            if (_saveThreshold != threshold) {
-                _saveThreshold = threshold;
-
-                // Since the saveThreshold has changed,
-                // we check to see if the current unsavedCount has surpassed the new threshold.
-                //
-                // If it has, we immediately save the log.
-
-                if ((_unsavedCount >= _saveThreshold) && (_saveThreshold > 0)) {
-                    [self performSaveAndSuspendSaveTimer];
-                }
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (NSTimeInterval)saveInterval {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block NSTimeInterval result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _saveInterval;
-        });
-    });
-
-    return result;
-}
-
-- (void)setSaveInterval:(NSTimeInterval)interval {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            // C99 recommended floating point comparison macro
-            // Read: isLessThanOrGreaterThan(floatA, floatB)
-
-            if (/* saveInterval != interval */ islessgreater(_saveInterval, interval)) {
-                _saveInterval = interval;
-
-                // There are several cases we need to handle here.
-                //
-                // 1. If the saveInterval was previously enabled and it just got disabled,
-                //    then we need to stop the saveTimer. (And we might as well release it.)
-                //
-                // 2. If the saveInterval was previously disabled and it just got enabled,
-                //    then we need to setup the saveTimer. (Plus we might need to do an immediate save.)
-                //
-                // 3. If the saveInterval increased, then we need to reset the timer so that it fires at the later date.
-                //
-                // 4. If the saveInterval decreased, then we need to reset the timer so that it fires at an earlier date.
-                //    (Plus we might need to do an immediate save.)
-
-                if (_saveInterval > 0.0) {
-                    if (_saveTimer == NULL) {
-                        // Handles #2
-                        //
-                        // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
-                        // if a save is needed the timer will fire immediately.
-
-                        [self createSuspendedSaveTimer];
-                        [self updateAndResumeSaveTimer];
-                    } else {
-                        // Handles #3
-                        // Handles #4
-                        //
-                        // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
-                        // if a save is needed the timer will fire immediately.
-
-                        [self updateAndResumeSaveTimer];
-                    }
-                } else if (_saveTimer) {
-                    // Handles #1
-
-                    [self destroySaveTimer];
-                }
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (NSTimeInterval)maxAge {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block NSTimeInterval result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _maxAge;
-        });
-    });
-
-    return result;
-}
-
-- (void)setMaxAge:(NSTimeInterval)interval {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            // C99 recommended floating point comparison macro
-            // Read: isLessThanOrGreaterThan(floatA, floatB)
-
-            if (/* maxAge != interval */ islessgreater(_maxAge, interval)) {
-                NSTimeInterval oldMaxAge = _maxAge;
-                NSTimeInterval newMaxAge = interval;
-
-                _maxAge = interval;
-
-                // There are several cases we need to handle here.
-                //
-                // 1. If the maxAge was previously enabled and it just got disabled,
-                //    then we need to stop the deleteTimer. (And we might as well release it.)
-                //
-                // 2. If the maxAge was previously disabled and it just got enabled,
-                //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
-                //
-                // 3. If the maxAge was increased,
-                //    then we don't need to do anything.
-                //
-                // 4. If the maxAge was decreased,
-                //    then we should do an immediate delete.
-
-                BOOL shouldDeleteNow = NO;
-
-                if (oldMaxAge > 0.0) {
-                    if (newMaxAge <= 0.0) {
-                        // Handles #1
-
-                        [self destroyDeleteTimer];
-                    } else if (oldMaxAge > newMaxAge) {
-                        // Handles #4
-                        shouldDeleteNow = YES;
-                    }
-                } else if (newMaxAge > 0.0) {
-                    // Handles #2
-                    shouldDeleteNow = YES;
-                }
-
-                if (shouldDeleteNow) {
-                    [self performDelete];
-
-                    if (_deleteTimer) {
-                        [self updateDeleteTimer];
-                    } else {
-                        [self createAndStartDeleteTimer];
-                    }
-                }
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (NSTimeInterval)deleteInterval {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block NSTimeInterval result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _deleteInterval;
-        });
-    });
-
-    return result;
-}
-
-- (void)setDeleteInterval:(NSTimeInterval)interval {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            // C99 recommended floating point comparison macro
-            // Read: isLessThanOrGreaterThan(floatA, floatB)
-
-            if (/* deleteInterval != interval */ islessgreater(_deleteInterval, interval)) {
-                _deleteInterval = interval;
-
-                // There are several cases we need to handle here.
-                //
-                // 1. If the deleteInterval was previously enabled and it just got disabled,
-                //    then we need to stop the deleteTimer. (And we might as well release it.)
-                //
-                // 2. If the deleteInterval was previously disabled and it just got enabled,
-                //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
-                //
-                // 3. If the deleteInterval increased, then we need to reset the timer so that it fires at the later date.
-                //
-                // 4. If the deleteInterval decreased, then we need to reset the timer so that it fires at an earlier date.
-                //    (Plus we might need to do an immediate delete.)
-
-                if (_deleteInterval > 0.0) {
-                    if (_deleteTimer == NULL) {
-                        // Handles #2
-                        //
-                        // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
-                        // if a delete is needed the timer will fire immediately.
-
-                        [self createAndStartDeleteTimer];
-                    } else {
-                        // Handles #3
-                        // Handles #4
-                        //
-                        // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
-                        // if a save is needed the timer will fire immediately.
-
-                        [self updateDeleteTimer];
-                    }
-                } else if (_deleteTimer) {
-                    // Handles #1
-
-                    [self destroyDeleteTimer];
-                }
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (BOOL)deleteOnEverySave {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block BOOL result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _deleteOnEverySave;
-        });
-    });
-
-    return result;
-}
-
-- (void)setDeleteOnEverySave:(BOOL)flag {
-    dispatch_block_t block = ^{
-        _deleteOnEverySave = flag;
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Public API
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (void)savePendingLogEntries {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [self performSaveAndSuspendSaveTimer];
-        }
-    };
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_async(self.loggerQueue, block);
-    }
-}
-
-- (void)deleteOldLogEntries {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [self performDelete];
-        }
-    };
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_async(self.loggerQueue, block);
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark DDLogger
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (void)didAddLogger {
-    // If you override me be sure to invoke [super didAddLogger];
-
-    [self createSuspendedSaveTimer];
-
-    [self createAndStartDeleteTimer];
-}
-
-- (void)willRemoveLogger {
-    // If you override me be sure to invoke [super willRemoveLogger];
-
-    [self performSaveAndSuspendSaveTimer];
-
-    [self destroySaveTimer];
-    [self destroyDeleteTimer];
-}
-
-- (void)logMessage:(DDLogMessage *)logMessage {
-    if ([self db_log:logMessage]) {
-        BOOL firstUnsavedEntry = (++_unsavedCount == 1);
-
-        if ((_unsavedCount >= _saveThreshold) && (_saveThreshold > 0)) {
-            [self performSaveAndSuspendSaveTimer];
-        } else if (firstUnsavedEntry) {
-            _unsavedTime = dispatch_time(DISPATCH_TIME_NOW, 0);
-            [self updateAndResumeSaveTimer];
-        }
-    }
-}
-
-- (void)flush {
-    // This method is invoked by DDLog's flushLog method.
-    //
-    // It is called automatically when the application quits,
-    // or if the developer invokes DDLog's flushLog method prior to crashing or something.
-
-    [self performSaveAndSuspendSaveTimer];
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDAssertMacros.h b/Example/Pods/CocoaLumberjack/Classes/DDAssertMacros.h
deleted file mode 100644
index 870d31f..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDAssertMacros.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-/**
- * NSAsset replacement that will output a log message even when assertions are disabled.
- **/
-#define DDAssert(condition, frmt, ...)                                                \
-        if (!(condition)) {                                                           \
-            NSString *description = [NSString stringWithFormat:frmt, ## __VA_ARGS__]; \
-            DDLogError(@"%@", description);                                           \
-            NSAssert(NO, description);                                                \
-        }
-#define DDAssertCondition(condition) DDAssert(condition, @"Condition not satisfied: %s", #condition)
-
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDLegacyMacros.h b/Example/Pods/CocoaLumberjack/Classes/DDLegacyMacros.h
deleted file mode 100644
index e0671b9..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDLegacyMacros.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-/**
- * Legacy macros used for 1.9.x backwards compatibility.
- *
- * Imported by default when importing a DDLog.h directly and DD_LEGACY_MACROS is not defined and set to 0.
- **/
-#if DD_LEGACY_MACROS
-
-#warning CocoaLumberjack 1.9.x legacy macros enabled. \
-Disable legacy macros by importing CocoaLumberjack.h or DDLogMacros.h instead of DDLog.h or add `#define DD_LEGACY_MACROS 0` before importing DDLog.h.
-
-#ifndef LOG_LEVEL_DEF
-    #define LOG_LEVEL_DEF ddLogLevel
-#endif
-
-#define LOG_FLAG_ERROR    DDLogFlagError
-#define LOG_FLAG_WARN     DDLogFlagWarning
-#define LOG_FLAG_INFO     DDLogFlagInfo
-#define LOG_FLAG_DEBUG    DDLogFlagDebug
-#define LOG_FLAG_VERBOSE  DDLogFlagVerbose
-
-#define LOG_LEVEL_OFF     DDLogLevelOff
-#define LOG_LEVEL_ERROR   DDLogLevelError
-#define LOG_LEVEL_WARN    DDLogLevelWarning
-#define LOG_LEVEL_INFO    DDLogLevelInfo
-#define LOG_LEVEL_DEBUG   DDLogLevelDebug
-#define LOG_LEVEL_VERBOSE DDLogLevelVerbose
-#define LOG_LEVEL_ALL     DDLogLevelAll
-
-#define LOG_ASYNC_ENABLED YES
-
-#define LOG_ASYNC_ERROR    ( NO && LOG_ASYNC_ENABLED)
-#define LOG_ASYNC_WARN     (YES && LOG_ASYNC_ENABLED)
-#define LOG_ASYNC_INFO     (YES && LOG_ASYNC_ENABLED)
-#define LOG_ASYNC_DEBUG    (YES && LOG_ASYNC_ENABLED)
-#define LOG_ASYNC_VERBOSE  (YES && LOG_ASYNC_ENABLED)
-
-#define LOG_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, ...) \
-        [DDLog log : isAsynchronous                                     \
-             level : lvl                                                \
-              flag : flg                                                \
-           context : ctx                                                \
-              file : __FILE__                                           \
-          function : fnct                                               \
-              line : __LINE__                                           \
-               tag : atag                                               \
-            format : (frmt), ## __VA_ARGS__]
-
-#define LOG_MAYBE(async, lvl, flg, ctx, fnct, frmt, ...)                       \
-        do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, nil, fnct, frmt, ##__VA_ARGS__); } while(0)
-
-#define LOG_OBJC_MAYBE(async, lvl, flg, ctx, frmt, ...) \
-        LOG_MAYBE(async, lvl, flg, ctx, __PRETTY_FUNCTION__, frmt, ## __VA_ARGS__)
-
-#define DDLogError(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_ERROR,   LOG_LEVEL_DEF, LOG_FLAG_ERROR,   0, frmt, ##__VA_ARGS__)
-#define DDLogWarn(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_WARN,    LOG_LEVEL_DEF, LOG_FLAG_WARN,    0, frmt, ##__VA_ARGS__)
-#define DDLogInfo(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_INFO,    LOG_LEVEL_DEF, LOG_FLAG_INFO,    0, frmt, ##__VA_ARGS__)
-#define DDLogDebug(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_DEBUG,   LOG_LEVEL_DEF, LOG_FLAG_DEBUG,   0, frmt, ##__VA_ARGS__)
-#define DDLogVerbose(frmt, ...) LOG_OBJC_MAYBE(LOG_ASYNC_VERBOSE, LOG_LEVEL_DEF, LOG_FLAG_VERBOSE, 0, frmt, ##__VA_ARGS__)
-
-#endif
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDLog+LOGV.h b/Example/Pods/CocoaLumberjack/Classes/DDLog+LOGV.h
deleted file mode 100644
index cf4bfc3..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDLog+LOGV.h
+++ /dev/null
@@ -1,83 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-/**
- * The constant/variable/method responsible for controlling the current log level.
- **/
-#ifndef LOG_LEVEL_DEF
-    #define LOG_LEVEL_DEF ddLogLevel
-#endif
-
-/**
- * Whether async should be used by log messages, excluding error messages that are always sent sync.
- **/
-#ifndef LOG_ASYNC_ENABLED
-    #define LOG_ASYNC_ENABLED YES
-#endif
-
-/**
- * This is the single macro that all other macros below compile into.
- * This big multiline macro makes all the other macros easier to read.
- **/
-#define LOGV_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, avalist) \
-        [DDLog log : isAsynchronous                                     \
-             level : lvl                                                \
-              flag : flg                                                \
-           context : ctx                                                \
-              file : __FILE__                                           \
-          function : fnct                                               \
-              line : __LINE__                                           \
-               tag : atag                                               \
-            format : frmt                                               \
-              args : avalist]
-
-/**
- * Define version of the macro that only execute if the log level is above the threshold.
- * The compiled versions essentially look like this:
- *
- * if (logFlagForThisLogMsg & ddLogLevel) { execute log message }
- *
- * When LOG_LEVEL_DEF is defined as ddLogLevel.
- *
- * As shown further below, Lumberjack actually uses a bitmask as opposed to primitive log levels.
- * This allows for a great amount of flexibility and some pretty advanced fine grained logging techniques.
- *
- * Note that when compiler optimizations are enabled (as they are for your release builds),
- * the log messages above your logging threshold will automatically be compiled out.
- *
- * (If the compiler sees LOG_LEVEL_DEF/ddLogLevel declared as a constant, the compiler simply checks to see
- *  if the 'if' statement would execute, and if not it strips it from the binary.)
- *
- * We also define shorthand versions for asynchronous and synchronous logging.
- **/
-#define LOGV_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, avalist) \
-        do { if(lvl & flg) LOGV_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, avalist); } while(0)
-
-/**
- * Ready to use log macros with no context or tag.
- **/
-#define DDLogVError(frmt, avalist)   LOGV_MAYBE(NO,                LOG_LEVEL_DEF, DDLogFlagError,   0, nil, __PRETTY_FUNCTION__, frmt, avalist)
-#define DDLogVWarn(frmt, avalist)    LOGV_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagWarning, 0, nil, __PRETTY_FUNCTION__, frmt, avalist)
-#define DDLogVInfo(frmt, avalist)    LOGV_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagInfo,    0, nil, __PRETTY_FUNCTION__, frmt, avalist)
-#define DDLogVDebug(frmt, avalist)   LOGV_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagDebug,   0, nil, __PRETTY_FUNCTION__, frmt, avalist)
-#define DDLogVVerbose(frmt, avalist) LOGV_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagVerbose, 0, nil, __PRETTY_FUNCTION__, frmt, avalist)
-
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDLog.h b/Example/Pods/CocoaLumberjack/Classes/DDLog.h
deleted file mode 100644
index b7f1074..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDLog.h
+++ /dev/null
@@ -1,743 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import <Foundation/Foundation.h>
-
-// Enable 1.9.x legacy macros if imported directly
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 1
-#endif
-// DD_LEGACY_MACROS is checked in the file itself
-#import "DDLegacyMacros.h"
-
-#if OS_OBJECT_USE_OBJC
-    #define DISPATCH_QUEUE_REFERENCE_TYPE strong
-#else
-    #define DISPATCH_QUEUE_REFERENCE_TYPE assign
-#endif
-
-@class DDLogMessage;
-@protocol DDLogger;
-@protocol DDLogFormatter;
-
-/**
- * Define the standard options.
- *
- * We default to only 4 levels because it makes it easier for beginners
- * to make the transition to a logging framework.
- *
- * More advanced users may choose to completely customize the levels (and level names) to suite their needs.
- * For more information on this see the "Custom Log Levels" page:
- * Documentation/CustomLogLevels.md
- *
- * Advanced users may also notice that we're using a bitmask.
- * This is to allow for custom fine grained logging:
- * Documentation/FineGrainedLogging.md
- *
- * -- Flags --
- *
- * Typically you will use the LOG_LEVELS (see below), but the flags may be used directly in certain situations.
- * For example, say you have a lot of warning log messages, and you wanted to disable them.
- * However, you still needed to see your error and info log messages.
- * You could accomplish that with the following:
- *
- * static const DDLogLevel ddLogLevel = DDLogFlagError | DDLogFlagInfo;
- *
- * When LOG_LEVEL_DEF is defined as ddLogLevel.
- *
- * Flags may also be consulted when writing custom log formatters,
- * as the DDLogMessage class captures the individual flag that caused the log message to fire.
- *
- * -- Levels --
- *
- * Log levels are simply the proper bitmask of the flags.
- *
- * -- Booleans --
- *
- * The booleans may be used when your logging code involves more than one line.
- * For example:
- *
- * if (LOG_VERBOSE) {
- *     for (id sprocket in sprockets)
- *         DDLogVerbose(@"sprocket: %@", [sprocket description])
- * }
- *
- * -- Async --
- *
- * Defines the default asynchronous options.
- * The default philosophy for asynchronous logging is very simple:
- *
- * Log messages with errors should be executed synchronously.
- *     After all, an error just occurred. The application could be unstable.
- *
- * All other log messages, such as debug output, are executed asynchronously.
- *     After all, if it wasn't an error, then it was just informational output,
- *     or something the application was easily able to recover from.
- *
- * -- Changes --
- *
- * You are strongly discouraged from modifying this file.
- * If you do, you make it more difficult on yourself to merge future bug fixes and improvements from the project.
- * Instead, create your own MyLogging.h or ApplicationNameLogging.h or CompanyLogging.h
- *
- * For an example of customizing your logging experience, see the "Custom Log Levels" page:
- * Documentation/CustomLogLevels.md
- **/
-
-/**
- *  Flags accompany each log. They are used together with levels to filter out logs.
- */
-typedef NS_OPTIONS(NSUInteger, DDLogFlag){
-    /**
-     *  0...00000 DDLogFlagError
-     */
-    DDLogFlagError      = (1 << 0),
-    
-    /**
-     *  0...00001 DDLogFlagWarning
-     */
-    DDLogFlagWarning    = (1 << 1),
-    
-    /**
-     *  0...00010 DDLogFlagInfo
-     */
-    DDLogFlagInfo       = (1 << 2),
-    
-    /**
-     *  0...00100 DDLogFlagDebug
-     */
-    DDLogFlagDebug      = (1 << 3),
-    
-    /**
-     *  0...01000 DDLogFlagVerbose
-     */
-    DDLogFlagVerbose    = (1 << 4)
-};
-
-/**
- *  Log levels are used to filter out logs. Used together with flags.
- */
-typedef NS_ENUM(NSUInteger, DDLogLevel){
-    /**
-     *  No logs
-     */
-    DDLogLevelOff       = 0,
-    
-    /**
-     *  Error logs only
-     */
-    DDLogLevelError     = (DDLogFlagError),
-    
-    /**
-     *  Error and warning logs
-     */
-    DDLogLevelWarning   = (DDLogLevelError   | DDLogFlagWarning),
-    
-    /**
-     *  Error, warning and info logs
-     */
-    DDLogLevelInfo      = (DDLogLevelWarning | DDLogFlagInfo),
-    
-    /**
-     *  Error, warning, info and debug logs
-     */
-    DDLogLevelDebug     = (DDLogLevelInfo    | DDLogFlagDebug),
-    
-    /**
-     *  Error, warning, info, debug and verbose logs
-     */
-    DDLogLevelVerbose   = (DDLogLevelDebug   | DDLogFlagVerbose),
-    
-    /**
-     *  All logs (1...11111)
-     */
-    DDLogLevelAll       = NSUIntegerMax
-};
-
-/**
- *  Extracts just the file name, no path or extension
- *
- *  @param filePath input file path
- *  @param copy     YES if we want the result to be copied
- *
- *  @return the file name
- */
-NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy);
-
-/**
- * The THIS_FILE macro gives you an NSString of the file name.
- * For simplicity and clarity, the file name does not include the full path or file extension.
- *
- * For example: DDLogWarn(@"%@: Unable to find thingy", THIS_FILE) -> @"MyViewController: Unable to find thingy"
- **/
-#define THIS_FILE         (DDExtractFileNameWithoutExtension(__FILE__, NO))
-
-/**
- * The THIS_METHOD macro gives you the name of the current objective-c method.
- *
- * For example: DDLogWarn(@"%@ - Requires non-nil strings", THIS_METHOD) -> @"setMake:model: requires non-nil strings"
- *
- * Note: This does NOT work in straight C functions (non objective-c).
- * Instead you should use the predefined __FUNCTION__ macro.
- **/
-#define THIS_METHOD       NSStringFromSelector(_cmd)
-
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- *  The main class, exposes all logging mechanisms, loggers, ...
- *  For most of the users, this class is hidden behind the logging functions like `DDLogInfo`
- */
-@interface DDLog : NSObject
-
-/**
- * Provides access to the underlying logging queue.
- * This may be helpful to Logger classes for things like thread synchronization.
- **/
-+ (dispatch_queue_t)loggingQueue;
-
-/**
- * Logging Primitive.
- *
- * This method is used by the macros or logging functions.
- * It is suggested you stick with the macros as they're easier to use.
- *
- *  @param asynchronous YES if the logging is done async, NO if you want to force sync
- *  @param level        the log level
- *  @param flag         the log flag
- *  @param context      the context (if any is defined)
- *  @param file         the current file
- *  @param function     the current function
- *  @param line         the current code line
- *  @param tag          potential tag
- *  @param format       the log format
- */
-+ (void)log:(BOOL)asynchronous
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
-       file:(const char *)file
-   function:(const char *)function
-       line:(NSUInteger)line
-        tag:(id)tag
-     format:(NSString *)format, ... NS_FORMAT_FUNCTION(9,10);
-
-/**
- * Logging Primitive.
- *
- * This method can be used if you have a prepared va_list.
- * Similar to `log:level:flag:context:file:function:line:tag:format:...`
- *
- *  @param asynchronous YES if the logging is done async, NO if you want to force sync
- *  @param level        the log level
- *  @param flag         the log flag
- *  @param context      the context (if any is defined)
- *  @param file         the current file
- *  @param function     the current function
- *  @param line         the current code line
- *  @param tag          potential tag
- *  @param format       the log format
- *  @param argList      the arguments list as a va_list
- */
-+ (void)log:(BOOL)asynchronous
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
-       file:(const char *)file
-   function:(const char *)function
-       line:(NSUInteger)line
-        tag:(id)tag
-     format:(NSString *)format
-       args:(va_list)argList;
-
-/**
- *  Logging Primitive.
- *
- *  @param asynchronous YES if the logging is done async, NO if you want to force sync
- *  @param message      the message
- *  @param level        the log level
- *  @param flag         the log flag
- *  @param context      the context (if any is defined)
- *  @param file         the current file
- *  @param function     the current function
- *  @param line         the current code line
- *  @param tag          potential tag
- */
-+ (void)log:(BOOL)asynchronous
-    message:(NSString *)message
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
-       file:(const char *)file
-   function:(const char *)function
-       line:(NSUInteger)line
-        tag:(id)tag;
-
-/**
- * Logging Primitive.
- *
- * This method can be used if you manualy prepared DDLogMessage.
- *
- *  @param asynchronous YES if the logging is done async, NO if you want to force sync
- *  @param logMessage   the log message stored in a `DDLogMessage` model object
- */
-+ (void)log:(BOOL)asynchronous
-    message:(DDLogMessage *)logMessage;
-
-/**
- * Since logging can be asynchronous, there may be times when you want to flush the logs.
- * The framework invokes this automatically when the application quits.
- **/
-+ (void)flushLog;
-
-/**
- * Loggers
- *
- * In order for your log statements to go somewhere, you should create and add a logger.
- *
- * You can add multiple loggers in order to direct your log statements to multiple places.
- * And each logger can be configured separately.
- * So you could have, for example, verbose logging to the console, but a concise log file with only warnings & errors.
- **/
-
-/**
- * Adds the logger to the system.
- *
- * This is equivalent to invoking `[DDLog addLogger:logger withLogLevel:DDLogLevelAll]`.
- **/
-+ (void)addLogger:(id <DDLogger>)logger;
-
-/**
- * Adds the logger to the system.
- *
- * The level that you provide here is a preemptive filter (for performance).
- * That is, the level specified here will be used to filter out logMessages so that
- * the logger is never even invoked for the messages.
- *
- * More information:
- * When you issue a log statement, the logging framework iterates over each logger,
- * and checks to see if it should forward the logMessage to the logger.
- * This check is done using the level parameter passed to this method.
- *
- * For example:
- *
- * `[DDLog addLogger:consoleLogger withLogLevel:DDLogLevelVerbose];`
- * `[DDLog addLogger:fileLogger    withLogLevel:DDLogLevelWarning];`
- *
- * `DDLogError(@"oh no");` => gets forwarded to consoleLogger & fileLogger
- * `DDLogInfo(@"hi");`     => gets forwarded to consoleLogger only
- *
- * It is important to remember that Lumberjack uses a BITMASK.
- * Many developers & third party frameworks may define extra log levels & flags.
- * For example:
- *
- * `#define SOME_FRAMEWORK_LOG_FLAG_TRACE (1 << 6) // 0...1000000`
- *
- * So if you specify `DDLogLevelVerbose` to this method, you won't see the framework's trace messages.
- *
- * `(SOME_FRAMEWORK_LOG_FLAG_TRACE & DDLogLevelVerbose) => (01000000 & 00011111) => NO`
- *
- * Consider passing `DDLogLevelAll` to this method, which has all bits set.
- * You can also use the exclusive-or bitwise operator to get a bitmask that has all flags set,
- * except the ones you explicitly don't want. For example, if you wanted everything except verbose & debug:
- *
- * `((DDLogLevelAll ^ DDLogLevelVerbose) | DDLogLevelInfo)`
- **/
-+ (void)addLogger:(id <DDLogger>)logger withLevel:(DDLogLevel)level;
-
-/**
- *  Remove the logger from the system
- */
-+ (void)removeLogger:(id <DDLogger>)logger;
-
-/**
- *  Remove all the current loggers
- */
-+ (void)removeAllLoggers;
-
-/**
- *  Return all the current loggers
- */
-+ (NSArray *)allLoggers;
-
-/**
- * Registered Dynamic Logging
- *
- * These methods allow you to obtain a list of classes that are using registered dynamic logging,
- * and also provides methods to get and set their log level during run time.
- **/
-
-/**
- *  Returns an array with the classes that are using registered dynamic logging
- */
-+ (NSArray *)registeredClasses;
-
-/**
- *  Returns an array with the classes names that are using registered dynamic logging
- */
-+ (NSArray *)registeredClassNames;
-
-/**
- *  Returns the current log level for a certain class
- *
- *  @param aClass `Class` param
- */
-+ (DDLogLevel)levelForClass:(Class)aClass;
-
-/**
- *  Returns the current log level for a certain class
- *
- *  @param aClassName string param
- */
-+ (DDLogLevel)levelForClassWithName:(NSString *)aClassName;
-
-/**
- *  Set the log level for a certain class
- *
- *  @param level  the new level
- *  @param aClass `Class` param
- */
-+ (void)setLevel:(DDLogLevel)level forClass:(Class)aClass;
-
-/**
- *  Set the log level for a certain class
- *
- *  @param level      the new level
- *  @param aClassName string param
- */
-+ (void)setLevel:(DDLogLevel)level forClassWithName:(NSString *)aClassName;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- *  This protocol describes a basic logger behavior. 
- *  Basically, it can log messages, store a logFormatter plus a bunch of optional behaviors.
- *  (i.e. flush, get its loggerQueue, get its name, ...
- */
-@protocol DDLogger <NSObject>
-
-/**
- *  The log message method
- *
- *  @param logMessage the message (model)
- */
-- (void)logMessage:(DDLogMessage *)logMessage;
-
-/**
- * Formatters may optionally be added to any logger.
- *
- * If no formatter is set, the logger simply logs the message as it is given in logMessage,
- * or it may use its own built in formatting style.
- **/
-@property (nonatomic, strong) id <DDLogFormatter> logFormatter;
-
-@optional
-
-/**
- * Since logging is asynchronous, adding and removing loggers is also asynchronous.
- * In other words, the loggers are added and removed at appropriate times with regards to log messages.
- *
- * - Loggers will not receive log messages that were executed prior to when they were added.
- * - Loggers will not receive log messages that were executed after they were removed.
- *
- * These methods are executed in the logging thread/queue.
- * This is the same thread/queue that will execute every logMessage: invocation.
- * Loggers may use these methods for thread synchronization or other setup/teardown tasks.
- **/
-- (void)didAddLogger;
-
-/**
- *  See the above description for `didAddLoger`
- */
-- (void)willRemoveLogger;
-
-/**
- * Some loggers may buffer IO for optimization purposes.
- * For example, a database logger may only save occasionaly as the disk IO is slow.
- * In such loggers, this method should be implemented to flush any pending IO.
- *
- * This allows invocations of DDLog's flushLog method to be propogated to loggers that need it.
- *
- * Note that DDLog's flushLog method is invoked automatically when the application quits,
- * and it may be also invoked manually by the developer prior to application crashes, or other such reasons.
- **/
-- (void)flush;
-
-/**
- * Each logger is executed concurrently with respect to the other loggers.
- * Thus, a dedicated dispatch queue is used for each logger.
- * Logger implementations may optionally choose to provide their own dispatch queue.
- **/
-@property (nonatomic, DISPATCH_QUEUE_REFERENCE_TYPE, readonly) dispatch_queue_t loggerQueue;
-
-/**
- * If the logger implementation does not choose to provide its own queue,
- * one will automatically be created for it.
- * The created queue will receive its name from this method.
- * This may be helpful for debugging or profiling reasons.
- **/
-@property (nonatomic, readonly) NSString *loggerName;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- *  This protocol describes the behavior of a log formatter
- */
-@protocol DDLogFormatter <NSObject>
-@required
-
-/**
- * Formatters may optionally be added to any logger.
- * This allows for increased flexibility in the logging environment.
- * For example, log messages for log files may be formatted differently than log messages for the console.
- *
- * For more information about formatters, see the "Custom Formatters" page:
- * Documentation/CustomFormatters.md
- *
- * The formatter may also optionally filter the log message by returning nil,
- * in which case the logger will not log the message.
- **/
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
-
-@optional
-
-/**
- * A single formatter instance can be added to multiple loggers.
- * These methods provides hooks to notify the formatter of when it's added/removed.
- *
- * This is primarily for thread-safety.
- * If a formatter is explicitly not thread-safe, it may wish to throw an exception if added to multiple loggers.
- * Or if a formatter has potentially thread-unsafe code (e.g. NSDateFormatter),
- * it could possibly use these hooks to switch to thread-safe versions of the code.
- **/
-- (void)didAddToLogger:(id <DDLogger>)logger;
-
-/**
- *  See the above description for `didAddToLogger:`
- */
-- (void)willRemoveFromLogger:(id <DDLogger>)logger;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- *  This protocol describes a dynamic logging component
- */
-@protocol DDRegisteredDynamicLogging
-
-/**
- * Implement these methods to allow a file's log level to be managed from a central location.
- *
- * This is useful if you'd like to be able to change log levels for various parts
- * of your code from within the running application.
- *
- * Imagine pulling up the settings for your application,
- * and being able to configure the logging level on a per file basis.
- *
- * The implementation can be very straight-forward:
- *
- * ```
- * + (int)ddLogLevel
- * {
- *     return ddLogLevel;
- * }
- *
- * + (void)ddSetLogLevel:(DDLogLevel)level
- * {
- *     ddLogLevel = level;
- * }
- * ```
- **/
-+ (DDLogLevel)ddLogLevel;
-
-/**
- *  See the above description for `ddLogLevel`
- */
-+ (void)ddSetLogLevel:(DDLogLevel)level;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-#ifndef NS_DESIGNATED_INITIALIZER
-    #define NS_DESIGNATED_INITIALIZER
-#endif
-
-/**
- *  Log message options, allow copying certain log elements
- */
-typedef NS_OPTIONS(NSInteger, DDLogMessageOptions){
-    /**
-     *  Use this to use a copy of the file path
-     */
-    DDLogMessageCopyFile     = 1 << 0,
-    /**
-     *  Use this to use a copy of the function name
-     */
-    DDLogMessageCopyFunction = 1 << 1
-};
-
-/**
- * The `DDLogMessage` class encapsulates information about the log message.
- * If you write custom loggers or formatters, you will be dealing with objects of this class.
- **/
-@interface DDLogMessage : NSObject <NSCopying>
-{
-    // Direct accessors to be used only for performance
-    @public
-    NSString *_message;
-    DDLogLevel _level;
-    DDLogFlag _flag;
-    NSInteger _context;
-    NSString *_file;
-    NSString *_fileName;
-    NSString *_function;
-    NSUInteger _line;
-    id _tag;
-    DDLogMessageOptions _options;
-    NSDate *_timestamp;
-    NSString *_threadID;
-    NSString *_threadName;
-    NSString *_queueLabel;
-}
-
-/**
- *  Default `init` is not available
- */
-- (instancetype)init NS_UNAVAILABLE;
-
-/**
- * Standard init method for a log message object.
- * Used by the logging primitives. (And the macros use the logging primitives.)
- *
- * If you find need to manually create logMessage objects, there is one thing you should be aware of:
- *
- * If no flags are passed, the method expects the file and function parameters to be string literals.
- * That is, it expects the given strings to exist for the duration of the object's lifetime,
- * and it expects the given strings to be immutable.
- * In other words, it does not copy these strings, it simply points to them.
- * This is due to the fact that __FILE__ and __FUNCTION__ are usually used to specify these parameters,
- * so it makes sense to optimize and skip the unnecessary allocations.
- * However, if you need them to be copied you may use the options parameter to specify this.
- *
- *  @param message   the message
- *  @param level     the log level
- *  @param flag      the log flag
- *  @param context   the context (if any is defined)
- *  @param file      the current file
- *  @param function  the current function
- *  @param line      the current code line
- *  @param tag       potential tag
- *  @param options   a bitmask which supports DDLogMessageCopyFile and DDLogMessageCopyFunction.
- *  @param timestamp the log timestamp
- *
- *  @return a new instance of a log message model object
- */
-- (instancetype)initWithMessage:(NSString *)message
-                          level:(DDLogLevel)level
-                           flag:(DDLogFlag)flag
-                        context:(NSInteger)context
-                           file:(NSString *)file
-                       function:(NSString *)function
-                           line:(NSUInteger)line
-                            tag:(id)tag
-                        options:(DDLogMessageOptions)options
-                      timestamp:(NSDate *)timestamp NS_DESIGNATED_INITIALIZER;
-
-/**
- * Read-only properties
- **/
-
-/**
- *  The log message
- */
-@property (readonly, nonatomic) NSString *message;
-@property (readonly, nonatomic) DDLogLevel level;
-@property (readonly, nonatomic) DDLogFlag flag;
-@property (readonly, nonatomic) NSInteger context;
-@property (readonly, nonatomic) NSString *file;
-@property (readonly, nonatomic) NSString *fileName;
-@property (readonly, nonatomic) NSString *function;
-@property (readonly, nonatomic) NSUInteger line;
-@property (readonly, nonatomic) id tag;
-@property (readonly, nonatomic) DDLogMessageOptions options;
-@property (readonly, nonatomic) NSDate *timestamp;
-@property (readonly, nonatomic) NSString *threadID; // ID as it appears in NSLog calculated from the machThreadID
-@property (readonly, nonatomic) NSString *threadName;
-@property (readonly, nonatomic) NSString *queueLabel;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- * The `DDLogger` protocol specifies that an optional formatter can be added to a logger.
- * Most (but not all) loggers will want to support formatters.
- *
- * However, writting getters and setters in a thread safe manner,
- * while still maintaining maximum speed for the logging process, is a difficult task.
- *
- * To do it right, the implementation of the getter/setter has strict requiremenets:
- * - Must NOT require the `logMessage:` method to acquire a lock.
- * - Must NOT require the `logMessage:` method to access an atomic property (also a lock of sorts).
- *
- * To simplify things, an abstract logger is provided that implements the getter and setter.
- *
- * Logger implementations may simply extend this class,
- * and they can ACCESS THE FORMATTER VARIABLE DIRECTLY from within their `logMessage:` method!
- **/
-@interface DDAbstractLogger : NSObject <DDLogger>
-{
-    // Direct accessors to be used only for performance
-    @public
-    id <DDLogFormatter> _logFormatter;
-    dispatch_queue_t _loggerQueue;
-}
-
-@property (nonatomic, strong) id <DDLogFormatter> logFormatter;
-@property (nonatomic, DISPATCH_QUEUE_REFERENCE_TYPE) dispatch_queue_t loggerQueue;
-
-// For thread-safety assertions
-
-/**
- *  Return YES if the current logger uses a global queue for logging
- */
-@property (nonatomic, readonly, getter=isOnGlobalLoggingQueue)  BOOL onGlobalLoggingQueue;
-
-/**
- *  Return YES if the current logger uses the internal designated queue for logging
- */
-@property (nonatomic, readonly, getter=isOnInternalLoggerQueue) BOOL onInternalLoggerQueue;
-
-@end
-
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDLogMacros.h b/Example/Pods/CocoaLumberjack/Classes/DDLogMacros.h
deleted file mode 100644
index 975d00a..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDLogMacros.h
+++ /dev/null
@@ -1,82 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-/**
- * The constant/variable/method responsible for controlling the current log level.
- **/
-#ifndef LOG_LEVEL_DEF
-    #define LOG_LEVEL_DEF ddLogLevel
-#endif
-
-/**
- * Whether async should be used by log messages, excluding error messages that are always sent sync.
- **/
-#ifndef LOG_ASYNC_ENABLED
-    #define LOG_ASYNC_ENABLED YES
-#endif
-
-/**
- * This is the single macro that all other macros below compile into.
- * This big multiline macro makes all the other macros easier to read.
- **/
-#define LOG_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, ...) \
-        [DDLog log : isAsynchronous                                     \
-             level : lvl                                                \
-              flag : flg                                                \
-           context : ctx                                                \
-              file : __FILE__                                           \
-          function : fnct                                               \
-              line : __LINE__                                           \
-               tag : atag                                               \
-            format : (frmt), ## __VA_ARGS__]
-
-/**
- * Define version of the macro that only execute if the log level is above the threshold.
- * The compiled versions essentially look like this:
- *
- * if (logFlagForThisLogMsg & ddLogLevel) { execute log message }
- *
- * When LOG_LEVEL_DEF is defined as ddLogLevel.
- *
- * As shown further below, Lumberjack actually uses a bitmask as opposed to primitive log levels.
- * This allows for a great amount of flexibility and some pretty advanced fine grained logging techniques.
- *
- * Note that when compiler optimizations are enabled (as they are for your release builds),
- * the log messages above your logging threshold will automatically be compiled out.
- *
- * (If the compiler sees LOG_LEVEL_DEF/ddLogLevel declared as a constant, the compiler simply checks to see
- *  if the 'if' statement would execute, and if not it strips it from the binary.)
- *
- * We also define shorthand versions for asynchronous and synchronous logging.
- **/
-#define LOG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, ...) \
-        do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, ##__VA_ARGS__); } while(0)
-
-/**
- * Ready to use log macros with no context or tag.
- **/
-#define DDLogError(frmt, ...)   LOG_MAYBE(NO,                LOG_LEVEL_DEF, DDLogFlagError,   0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
-#define DDLogWarn(frmt, ...)    LOG_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagWarning, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
-#define DDLogInfo(frmt, ...)    LOG_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagInfo,    0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
-#define DDLogDebug(frmt, ...)   LOG_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagDebug,   0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
-#define DDLogVerbose(frmt, ...) LOG_MAYBE(LOG_ASYNC_ENABLED, LOG_LEVEL_DEF, DDLogFlagVerbose, 0, nil, __PRETTY_FUNCTION__, frmt, ##__VA_ARGS__)
-
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.m b/Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.m
deleted file mode 100644
index 41592ca..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.m
+++ /dev/null
@@ -1,1481 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDTTYLogger.h"
-
-#import <unistd.h>
-#import <sys/uio.h>
-
-#if !__has_feature(objc_arc)
-#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
-#endif
-
-// We probably shouldn't be using DDLog() statements within the DDLog implementation.
-// But we still want to leave our log statements for any future debugging,
-// and to allow other developers to trace the implementation (which is a great learning tool).
-//
-// So we use primitive logging macros around NSLog.
-// We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
-
-#ifndef DD_NSLOG_LEVEL
-    #define DD_NSLOG_LEVEL 2
-#endif
-
-#define NSLogError(frmt, ...)    do{ if(DD_NSLOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogWarn(frmt, ...)     do{ if(DD_NSLOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogInfo(frmt, ...)     do{ if(DD_NSLOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogDebug(frmt, ...)    do{ if(DD_NSLOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogVerbose(frmt, ...)  do{ if(DD_NSLOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
-
-// Xcode does NOT natively support colors in the Xcode debugging console.
-// You'll need to install the XcodeColors plugin to see colors in the Xcode console.
-// https://github.com/robbiehanson/XcodeColors
-//
-// The following is documentation from the XcodeColors project:
-//
-//
-// How to apply color formatting to your log statements:
-//
-// To set the foreground color:
-// Insert the ESCAPE_SEQ into your string, followed by "fg124,12,255;" where r=124, g=12, b=255.
-//
-// To set the background color:
-// Insert the ESCAPE_SEQ into your string, followed by "bg12,24,36;" where r=12, g=24, b=36.
-//
-// To reset the foreground color (to default value):
-// Insert the ESCAPE_SEQ into your string, followed by "fg;"
-//
-// To reset the background color (to default value):
-// Insert the ESCAPE_SEQ into your string, followed by "bg;"
-//
-// To reset the foreground and background color (to default values) in one operation:
-// Insert the ESCAPE_SEQ into your string, followed by ";"
-
-#define XCODE_COLORS_ESCAPE_SEQ "\033["
-
-#define XCODE_COLORS_RESET_FG   XCODE_COLORS_ESCAPE_SEQ "fg;" // Clear any foreground color
-#define XCODE_COLORS_RESET_BG   XCODE_COLORS_ESCAPE_SEQ "bg;" // Clear any background color
-#define XCODE_COLORS_RESET      XCODE_COLORS_ESCAPE_SEQ ";"  // Clear any foreground or background color
-
-// If running in a shell, not all RGB colors will be supported.
-// In this case we automatically map to the closest available color.
-// In order to provide this mapping, we have a hard-coded set of the standard RGB values available in the shell.
-// However, not every shell is the same, and Apple likes to think different even when it comes to shell colors.
-//
-// Map to standard Terminal.app colors (1), or
-// map to standard xterm colors (0).
-
-#define MAP_TO_TERMINAL_APP_COLORS 1
-
-
-@interface DDTTYLoggerColorProfile : NSObject {
-    @public
-    DDLogFlag mask;
-    NSInteger context;
-
-    uint8_t fg_r;
-    uint8_t fg_g;
-    uint8_t fg_b;
-
-    uint8_t bg_r;
-    uint8_t bg_g;
-    uint8_t bg_b;
-
-    NSUInteger fgCodeIndex;
-    NSString *fgCodeRaw;
-
-    NSUInteger bgCodeIndex;
-    NSString *bgCodeRaw;
-
-    char fgCode[24];
-    size_t fgCodeLen;
-
-    char bgCode[24];
-    size_t bgCodeLen;
-
-    char resetCode[8];
-    size_t resetCodeLen;
-}
-
-- (instancetype)initWithForegroundColor:(DDColor *)fgColor backgroundColor:(DDColor *)bgColor flag:(DDLogFlag)mask context:(NSInteger)ctxt;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@interface DDTTYLogger () {
-    NSUInteger _calendarUnitFlags;
-    
-    NSString *_appName;
-    char *_app;
-    size_t _appLen;
-    
-    NSString *_processID;
-    char *_pid;
-    size_t _pidLen;
-    
-    BOOL _colorsEnabled;
-    NSMutableArray *_colorProfilesArray;
-    NSMutableDictionary *_colorProfilesDict;
-}
-
-@end
-
-
-@implementation DDTTYLogger
-
-static BOOL isaColorTTY;
-static BOOL isaColor256TTY;
-static BOOL isaXcodeColorTTY;
-
-static NSArray *codes_fg = nil;
-static NSArray *codes_bg = nil;
-static NSArray *colors   = nil;
-
-static DDTTYLogger *sharedInstance;
-
-/**
- * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 16 color mode.
- *
- * This method is used when the application is running from within a shell that only supports 16 color mode.
- * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
- **/
-+ (void)initialize_colors_16 {
-    if (codes_fg || codes_bg || colors) {
-        return;
-    }
-
-    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:16];
-    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:16];
-    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:16];
-
-    // In a standard shell only 16 colors are supported.
-    //
-    // More information about ansi escape codes can be found online.
-    // http://en.wikipedia.org/wiki/ANSI_escape_code
-
-    [m_codes_fg addObject:@"30m"];   // normal - black
-    [m_codes_fg addObject:@"31m"];   // normal - red
-    [m_codes_fg addObject:@"32m"];   // normal - green
-    [m_codes_fg addObject:@"33m"];   // normal - yellow
-    [m_codes_fg addObject:@"34m"];   // normal - blue
-    [m_codes_fg addObject:@"35m"];   // normal - magenta
-    [m_codes_fg addObject:@"36m"];   // normal - cyan
-    [m_codes_fg addObject:@"37m"];   // normal - gray
-    [m_codes_fg addObject:@"1;30m"]; // bright - darkgray
-    [m_codes_fg addObject:@"1;31m"]; // bright - red
-    [m_codes_fg addObject:@"1;32m"]; // bright - green
-    [m_codes_fg addObject:@"1;33m"]; // bright - yellow
-    [m_codes_fg addObject:@"1;34m"]; // bright - blue
-    [m_codes_fg addObject:@"1;35m"]; // bright - magenta
-    [m_codes_fg addObject:@"1;36m"]; // bright - cyan
-    [m_codes_fg addObject:@"1;37m"]; // bright - white
-
-    [m_codes_bg addObject:@"40m"];   // normal - black
-    [m_codes_bg addObject:@"41m"];   // normal - red
-    [m_codes_bg addObject:@"42m"];   // normal - green
-    [m_codes_bg addObject:@"43m"];   // normal - yellow
-    [m_codes_bg addObject:@"44m"];   // normal - blue
-    [m_codes_bg addObject:@"45m"];   // normal - magenta
-    [m_codes_bg addObject:@"46m"];   // normal - cyan
-    [m_codes_bg addObject:@"47m"];   // normal - gray
-    [m_codes_bg addObject:@"1;40m"]; // bright - darkgray
-    [m_codes_bg addObject:@"1;41m"]; // bright - red
-    [m_codes_bg addObject:@"1;42m"]; // bright - green
-    [m_codes_bg addObject:@"1;43m"]; // bright - yellow
-    [m_codes_bg addObject:@"1;44m"]; // bright - blue
-    [m_codes_bg addObject:@"1;45m"]; // bright - magenta
-    [m_codes_bg addObject:@"1;46m"]; // bright - cyan
-    [m_codes_bg addObject:@"1;47m"]; // bright - white
-
-#if MAP_TO_TERMINAL_APP_COLORS
-
-    // Standard Terminal.app colors:
-    //
-    // These are the default colors used by Apple's Terminal.app.
-
-    [m_colors addObject:DDMakeColor(  0,   0,   0)]; // normal - black
-    [m_colors addObject:DDMakeColor(194,  54,  33)]; // normal - red
-    [m_colors addObject:DDMakeColor( 37, 188,  36)]; // normal - green
-    [m_colors addObject:DDMakeColor(173, 173,  39)]; // normal - yellow
-    [m_colors addObject:DDMakeColor( 73,  46, 225)]; // normal - blue
-    [m_colors addObject:DDMakeColor(211,  56, 211)]; // normal - magenta
-    [m_colors addObject:DDMakeColor( 51, 187, 200)]; // normal - cyan
-    [m_colors addObject:DDMakeColor(203, 204, 205)]; // normal - gray
-    [m_colors addObject:DDMakeColor(129, 131, 131)]; // bright - darkgray
-    [m_colors addObject:DDMakeColor(252,  57,  31)]; // bright - red
-    [m_colors addObject:DDMakeColor( 49, 231,  34)]; // bright - green
-    [m_colors addObject:DDMakeColor(234, 236,  35)]; // bright - yellow
-    [m_colors addObject:DDMakeColor( 88,  51, 255)]; // bright - blue
-    [m_colors addObject:DDMakeColor(249,  53, 248)]; // bright - magenta
-    [m_colors addObject:DDMakeColor( 20, 240, 240)]; // bright - cyan
-    [m_colors addObject:DDMakeColor(233, 235, 235)]; // bright - white
-
-#else /* if MAP_TO_TERMINAL_APP_COLORS */
-
-    // Standard xterm colors:
-    //
-    // These are the default colors used by most xterm shells.
-
-    [m_colors addObject:DDMakeColor(  0,   0,   0)]; // normal - black
-    [m_colors addObject:DDMakeColor(205,   0,   0)]; // normal - red
-    [m_colors addObject:DDMakeColor(  0, 205,   0)]; // normal - green
-    [m_colors addObject:DDMakeColor(205, 205,   0)]; // normal - yellow
-    [m_colors addObject:DDMakeColor(  0,   0, 238)]; // normal - blue
-    [m_colors addObject:DDMakeColor(205,   0, 205)]; // normal - magenta
-    [m_colors addObject:DDMakeColor(  0, 205, 205)]; // normal - cyan
-    [m_colors addObject:DDMakeColor(229, 229, 229)]; // normal - gray
-    [m_colors addObject:DDMakeColor(127, 127, 127)]; // bright - darkgray
-    [m_colors addObject:DDMakeColor(255,   0,   0)]; // bright - red
-    [m_colors addObject:DDMakeColor(  0, 255,   0)]; // bright - green
-    [m_colors addObject:DDMakeColor(255, 255,   0)]; // bright - yellow
-    [m_colors addObject:DDMakeColor( 92,  92, 255)]; // bright - blue
-    [m_colors addObject:DDMakeColor(255,   0, 255)]; // bright - magenta
-    [m_colors addObject:DDMakeColor(  0, 255, 255)]; // bright - cyan
-    [m_colors addObject:DDMakeColor(255, 255, 255)]; // bright - white
-
-#endif /* if MAP_TO_TERMINAL_APP_COLORS */
-
-    codes_fg = [m_codes_fg copy];
-    codes_bg = [m_codes_bg copy];
-    colors   = [m_colors   copy];
-
-    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
-    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
-}
-
-/**
- * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 256 color mode.
- *
- * This method is used when the application is running from within a shell that supports 256 color mode.
- * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
- **/
-+ (void)initialize_colors_256 {
-    if (codes_fg || codes_bg || colors) {
-        return;
-    }
-
-    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:(256 - 16)];
-    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:(256 - 16)];
-    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:(256 - 16)];
-
-    #if MAP_TO_TERMINAL_APP_COLORS
-
-    // Standard Terminal.app colors:
-    //
-    // These are the colors the Terminal.app uses in xterm-256color mode.
-    // In this mode, the terminal supports 256 different colors, specified by 256 color codes.
-    //
-    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
-    // These are actually configurable, and thus we ignore them for the purposes of mapping,
-    // as we can't rely on them being constant. They are largely duplicated anyway.
-    //
-    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
-    // While the color codes are standardized, the actual RGB values for each color code is not.
-    // Apple's Terminal.app uses different RGB values from that of a standard xterm.
-    // Apple's choices in colors are designed to be a little nicer on the eyes.
-    //
-    // The last 24 color codes represent a grayscale.
-    //
-    // Unfortunately, unlike the standard xterm color chart,
-    // Apple's RGB values cannot be calculated using a simple formula (at least not that I know of).
-    // Also, I don't know of any ways to programmatically query the shell for the RGB values.
-    // So this big giant color chart had to be made by hand.
-    //
-    // More information about ansi escape codes can be found online.
-    // http://en.wikipedia.org/wiki/ANSI_escape_code
-
-    // Colors
-
-    [m_colors addObject:DDMakeColor( 47,  49,  49)];
-    [m_colors addObject:DDMakeColor( 60,  42, 144)];
-    [m_colors addObject:DDMakeColor( 66,  44, 183)];
-    [m_colors addObject:DDMakeColor( 73,  46, 222)];
-    [m_colors addObject:DDMakeColor( 81,  50, 253)];
-    [m_colors addObject:DDMakeColor( 88,  51, 255)];
-    
-    [m_colors addObject:DDMakeColor( 42, 128,  37)];
-    [m_colors addObject:DDMakeColor( 42, 127, 128)];
-    [m_colors addObject:DDMakeColor( 44, 126, 169)];
-    [m_colors addObject:DDMakeColor( 56, 125, 209)];
-    [m_colors addObject:DDMakeColor( 59, 124, 245)];
-    [m_colors addObject:DDMakeColor( 66, 123, 255)];
-    
-    [m_colors addObject:DDMakeColor( 51, 163,  41)];
-    [m_colors addObject:DDMakeColor( 39, 162, 121)];
-    [m_colors addObject:DDMakeColor( 42, 161, 162)];
-    [m_colors addObject:DDMakeColor( 53, 160, 202)];
-    [m_colors addObject:DDMakeColor( 45, 159, 240)];
-    [m_colors addObject:DDMakeColor( 58, 158, 255)];
-    
-    [m_colors addObject:DDMakeColor( 31, 196,  37)];
-    [m_colors addObject:DDMakeColor( 48, 196, 115)];
-    [m_colors addObject:DDMakeColor( 39, 195, 155)];
-    [m_colors addObject:DDMakeColor( 49, 195, 195)];
-    [m_colors addObject:DDMakeColor( 32, 194, 235)];
-    [m_colors addObject:DDMakeColor( 53, 193, 255)];
-    
-    [m_colors addObject:DDMakeColor( 50, 229,  35)];
-    [m_colors addObject:DDMakeColor( 40, 229, 109)];
-    [m_colors addObject:DDMakeColor( 27, 229, 149)];
-    [m_colors addObject:DDMakeColor( 49, 228, 189)];
-    [m_colors addObject:DDMakeColor( 33, 228, 228)];
-    [m_colors addObject:DDMakeColor( 53, 227, 255)];
-    
-    [m_colors addObject:DDMakeColor( 27, 254,  30)];
-    [m_colors addObject:DDMakeColor( 30, 254, 103)];
-    [m_colors addObject:DDMakeColor( 45, 254, 143)];
-    [m_colors addObject:DDMakeColor( 38, 253, 182)];
-    [m_colors addObject:DDMakeColor( 38, 253, 222)];
-    [m_colors addObject:DDMakeColor( 42, 253, 252)];
-    
-    [m_colors addObject:DDMakeColor(140,  48,  40)];
-    [m_colors addObject:DDMakeColor(136,  51, 136)];
-    [m_colors addObject:DDMakeColor(135,  52, 177)];
-    [m_colors addObject:DDMakeColor(134,  52, 217)];
-    [m_colors addObject:DDMakeColor(135,  56, 248)];
-    [m_colors addObject:DDMakeColor(134,  53, 255)];
-    
-    [m_colors addObject:DDMakeColor(125, 125,  38)];
-    [m_colors addObject:DDMakeColor(124, 125, 125)];
-    [m_colors addObject:DDMakeColor(122, 124, 166)];
-    [m_colors addObject:DDMakeColor(123, 124, 207)];
-    [m_colors addObject:DDMakeColor(123, 122, 247)];
-    [m_colors addObject:DDMakeColor(124, 121, 255)];
-    
-    [m_colors addObject:DDMakeColor(119, 160,  35)];
-    [m_colors addObject:DDMakeColor(117, 160, 120)];
-    [m_colors addObject:DDMakeColor(117, 160, 160)];
-    [m_colors addObject:DDMakeColor(115, 159, 201)];
-    [m_colors addObject:DDMakeColor(116, 158, 240)];
-    [m_colors addObject:DDMakeColor(117, 157, 255)];
-    
-    [m_colors addObject:DDMakeColor(113, 195,  39)];
-    [m_colors addObject:DDMakeColor(110, 194, 114)];
-    [m_colors addObject:DDMakeColor(111, 194, 154)];
-    [m_colors addObject:DDMakeColor(108, 194, 194)];
-    [m_colors addObject:DDMakeColor(109, 193, 234)];
-    [m_colors addObject:DDMakeColor(108, 192, 255)];
-    
-    [m_colors addObject:DDMakeColor(105, 228,  30)];
-    [m_colors addObject:DDMakeColor(103, 228, 109)];
-    [m_colors addObject:DDMakeColor(105, 228, 148)];
-    [m_colors addObject:DDMakeColor(100, 227, 188)];
-    [m_colors addObject:DDMakeColor( 99, 227, 227)];
-    [m_colors addObject:DDMakeColor( 99, 226, 253)];
-    
-    [m_colors addObject:DDMakeColor( 92, 253,  34)];
-    [m_colors addObject:DDMakeColor( 96, 253, 103)];
-    [m_colors addObject:DDMakeColor( 97, 253, 142)];
-    [m_colors addObject:DDMakeColor( 88, 253, 182)];
-    [m_colors addObject:DDMakeColor( 93, 253, 221)];
-    [m_colors addObject:DDMakeColor( 88, 254, 251)];
-    
-    [m_colors addObject:DDMakeColor(177,  53,  34)];
-    [m_colors addObject:DDMakeColor(174,  54, 131)];
-    [m_colors addObject:DDMakeColor(172,  55, 172)];
-    [m_colors addObject:DDMakeColor(171,  57, 213)];
-    [m_colors addObject:DDMakeColor(170,  55, 249)];
-    [m_colors addObject:DDMakeColor(170,  57, 255)];
-    
-    [m_colors addObject:DDMakeColor(165, 123,  37)];
-    [m_colors addObject:DDMakeColor(163, 123, 123)];
-    [m_colors addObject:DDMakeColor(162, 123, 164)];
-    [m_colors addObject:DDMakeColor(161, 122, 205)];
-    [m_colors addObject:DDMakeColor(161, 121, 241)];
-    [m_colors addObject:DDMakeColor(161, 121, 255)];
-    
-    [m_colors addObject:DDMakeColor(158, 159,  33)];
-    [m_colors addObject:DDMakeColor(157, 158, 118)];
-    [m_colors addObject:DDMakeColor(157, 158, 159)];
-    [m_colors addObject:DDMakeColor(155, 157, 199)];
-    [m_colors addObject:DDMakeColor(155, 157, 239)];
-    [m_colors addObject:DDMakeColor(154, 156, 255)];
-    
-    [m_colors addObject:DDMakeColor(152, 193,  40)];
-    [m_colors addObject:DDMakeColor(151, 193, 113)];
-    [m_colors addObject:DDMakeColor(150, 193, 153)];
-    [m_colors addObject:DDMakeColor(150, 192, 193)];
-    [m_colors addObject:DDMakeColor(148, 192, 232)];
-    [m_colors addObject:DDMakeColor(149, 191, 253)];
-    
-    [m_colors addObject:DDMakeColor(146, 227,  28)];
-    [m_colors addObject:DDMakeColor(144, 227, 108)];
-    [m_colors addObject:DDMakeColor(144, 227, 147)];
-    [m_colors addObject:DDMakeColor(144, 227, 187)];
-    [m_colors addObject:DDMakeColor(142, 226, 227)];
-    [m_colors addObject:DDMakeColor(142, 225, 252)];
-    
-    [m_colors addObject:DDMakeColor(138, 253,  36)];
-    [m_colors addObject:DDMakeColor(137, 253, 102)];
-    [m_colors addObject:DDMakeColor(136, 253, 141)];
-    [m_colors addObject:DDMakeColor(138, 254, 181)];
-    [m_colors addObject:DDMakeColor(135, 255, 220)];
-    [m_colors addObject:DDMakeColor(133, 255, 250)];
-    
-    [m_colors addObject:DDMakeColor(214,  57,  30)];
-    [m_colors addObject:DDMakeColor(211,  59, 126)];
-    [m_colors addObject:DDMakeColor(209,  57, 168)];
-    [m_colors addObject:DDMakeColor(208,  55, 208)];
-    [m_colors addObject:DDMakeColor(207,  58, 247)];
-    [m_colors addObject:DDMakeColor(206,  61, 255)];
-    
-    [m_colors addObject:DDMakeColor(204, 121,  32)];
-    [m_colors addObject:DDMakeColor(202, 121, 121)];
-    [m_colors addObject:DDMakeColor(201, 121, 161)];
-    [m_colors addObject:DDMakeColor(200, 120, 202)];
-    [m_colors addObject:DDMakeColor(200, 120, 241)];
-    [m_colors addObject:DDMakeColor(198, 119, 255)];
-    
-    [m_colors addObject:DDMakeColor(198, 157,  37)];
-    [m_colors addObject:DDMakeColor(196, 157, 116)];
-    [m_colors addObject:DDMakeColor(195, 156, 157)];
-    [m_colors addObject:DDMakeColor(195, 156, 197)];
-    [m_colors addObject:DDMakeColor(194, 155, 236)];
-    [m_colors addObject:DDMakeColor(193, 155, 255)];
-    
-    [m_colors addObject:DDMakeColor(191, 192,  36)];
-    [m_colors addObject:DDMakeColor(190, 191, 112)];
-    [m_colors addObject:DDMakeColor(189, 191, 152)];
-    [m_colors addObject:DDMakeColor(189, 191, 191)];
-    [m_colors addObject:DDMakeColor(188, 190, 230)];
-    [m_colors addObject:DDMakeColor(187, 190, 253)];
-    
-    [m_colors addObject:DDMakeColor(185, 226,  28)];
-    [m_colors addObject:DDMakeColor(184, 226, 106)];
-    [m_colors addObject:DDMakeColor(183, 225, 146)];
-    [m_colors addObject:DDMakeColor(183, 225, 186)];
-    [m_colors addObject:DDMakeColor(182, 225, 225)];
-    [m_colors addObject:DDMakeColor(181, 224, 252)];
-    
-    [m_colors addObject:DDMakeColor(178, 255,  35)];
-    [m_colors addObject:DDMakeColor(178, 255, 101)];
-    [m_colors addObject:DDMakeColor(177, 254, 141)];
-    [m_colors addObject:DDMakeColor(176, 254, 180)];
-    [m_colors addObject:DDMakeColor(176, 254, 220)];
-    [m_colors addObject:DDMakeColor(175, 253, 249)];
-    
-    [m_colors addObject:DDMakeColor(247,  56,  30)];
-    [m_colors addObject:DDMakeColor(245,  57, 122)];
-    [m_colors addObject:DDMakeColor(243,  59, 163)];
-    [m_colors addObject:DDMakeColor(244,  60, 204)];
-    [m_colors addObject:DDMakeColor(242,  59, 241)];
-    [m_colors addObject:DDMakeColor(240,  55, 255)];
-    
-    [m_colors addObject:DDMakeColor(241, 119,  36)];
-    [m_colors addObject:DDMakeColor(240, 120, 118)];
-    [m_colors addObject:DDMakeColor(238, 119, 158)];
-    [m_colors addObject:DDMakeColor(237, 119, 199)];
-    [m_colors addObject:DDMakeColor(237, 118, 238)];
-    [m_colors addObject:DDMakeColor(236, 118, 255)];
-    
-    [m_colors addObject:DDMakeColor(235, 154,  36)];
-    [m_colors addObject:DDMakeColor(235, 154, 114)];
-    [m_colors addObject:DDMakeColor(234, 154, 154)];
-    [m_colors addObject:DDMakeColor(232, 154, 194)];
-    [m_colors addObject:DDMakeColor(232, 153, 234)];
-    [m_colors addObject:DDMakeColor(232, 153, 255)];
-    
-    [m_colors addObject:DDMakeColor(230, 190,  30)];
-    [m_colors addObject:DDMakeColor(229, 189, 110)];
-    [m_colors addObject:DDMakeColor(228, 189, 150)];
-    [m_colors addObject:DDMakeColor(227, 189, 190)];
-    [m_colors addObject:DDMakeColor(227, 189, 229)];
-    [m_colors addObject:DDMakeColor(226, 188, 255)];
-    
-    [m_colors addObject:DDMakeColor(224, 224,  35)];
-    [m_colors addObject:DDMakeColor(223, 224, 105)];
-    [m_colors addObject:DDMakeColor(222, 224, 144)];
-    [m_colors addObject:DDMakeColor(222, 223, 184)];
-    [m_colors addObject:DDMakeColor(222, 223, 224)];
-    [m_colors addObject:DDMakeColor(220, 223, 253)];
-    
-    [m_colors addObject:DDMakeColor(217, 253,  28)];
-    [m_colors addObject:DDMakeColor(217, 253,  99)];
-    [m_colors addObject:DDMakeColor(216, 252, 139)];
-    [m_colors addObject:DDMakeColor(216, 252, 179)];
-    [m_colors addObject:DDMakeColor(215, 252, 218)];
-    [m_colors addObject:DDMakeColor(215, 251, 250)];
-    
-    [m_colors addObject:DDMakeColor(255,  61,  30)];
-    [m_colors addObject:DDMakeColor(255,  60, 118)];
-    [m_colors addObject:DDMakeColor(255,  58, 159)];
-    [m_colors addObject:DDMakeColor(255,  56, 199)];
-    [m_colors addObject:DDMakeColor(255,  55, 238)];
-    [m_colors addObject:DDMakeColor(255,  59, 255)];
-    
-    [m_colors addObject:DDMakeColor(255, 117,  29)];
-    [m_colors addObject:DDMakeColor(255, 117, 115)];
-    [m_colors addObject:DDMakeColor(255, 117, 155)];
-    [m_colors addObject:DDMakeColor(255, 117, 195)];
-    [m_colors addObject:DDMakeColor(255, 116, 235)];
-    [m_colors addObject:DDMakeColor(254, 116, 255)];
-    
-    [m_colors addObject:DDMakeColor(255, 152,  27)];
-    [m_colors addObject:DDMakeColor(255, 152, 111)];
-    [m_colors addObject:DDMakeColor(254, 152, 152)];
-    [m_colors addObject:DDMakeColor(255, 152, 192)];
-    [m_colors addObject:DDMakeColor(254, 151, 231)];
-    [m_colors addObject:DDMakeColor(253, 151, 253)];
-    
-    [m_colors addObject:DDMakeColor(255, 187,  33)];
-    [m_colors addObject:DDMakeColor(253, 187, 107)];
-    [m_colors addObject:DDMakeColor(252, 187, 148)];
-    [m_colors addObject:DDMakeColor(253, 187, 187)];
-    [m_colors addObject:DDMakeColor(254, 187, 227)];
-    [m_colors addObject:DDMakeColor(252, 186, 252)];
-    
-    [m_colors addObject:DDMakeColor(252, 222,  34)];
-    [m_colors addObject:DDMakeColor(251, 222, 103)];
-    [m_colors addObject:DDMakeColor(251, 222, 143)];
-    [m_colors addObject:DDMakeColor(250, 222, 182)];
-    [m_colors addObject:DDMakeColor(251, 221, 222)];
-    [m_colors addObject:DDMakeColor(252, 221, 252)];
-    
-    [m_colors addObject:DDMakeColor(251, 252,  15)];
-    [m_colors addObject:DDMakeColor(251, 252,  97)];
-    [m_colors addObject:DDMakeColor(249, 252, 137)];
-    [m_colors addObject:DDMakeColor(247, 252, 177)];
-    [m_colors addObject:DDMakeColor(247, 253, 217)];
-    [m_colors addObject:DDMakeColor(254, 255, 255)];
-    
-    // Grayscale
-    
-    [m_colors addObject:DDMakeColor( 52,  53,  53)];
-    [m_colors addObject:DDMakeColor( 57,  58,  59)];
-    [m_colors addObject:DDMakeColor( 66,  67,  67)];
-    [m_colors addObject:DDMakeColor( 75,  76,  76)];
-    [m_colors addObject:DDMakeColor( 83,  85,  85)];
-    [m_colors addObject:DDMakeColor( 92,  93,  94)];
-    
-    [m_colors addObject:DDMakeColor(101, 102, 102)];
-    [m_colors addObject:DDMakeColor(109, 111, 111)];
-    [m_colors addObject:DDMakeColor(118, 119, 119)];
-    [m_colors addObject:DDMakeColor(126, 127, 128)];
-    [m_colors addObject:DDMakeColor(134, 136, 136)];
-    [m_colors addObject:DDMakeColor(143, 144, 145)];
-    
-    [m_colors addObject:DDMakeColor(151, 152, 153)];
-    [m_colors addObject:DDMakeColor(159, 161, 161)];
-    [m_colors addObject:DDMakeColor(167, 169, 169)];
-    [m_colors addObject:DDMakeColor(176, 177, 177)];
-    [m_colors addObject:DDMakeColor(184, 185, 186)];
-    [m_colors addObject:DDMakeColor(192, 193, 194)];
-    
-    [m_colors addObject:DDMakeColor(200, 201, 202)];
-    [m_colors addObject:DDMakeColor(208, 209, 210)];
-    [m_colors addObject:DDMakeColor(216, 218, 218)];
-    [m_colors addObject:DDMakeColor(224, 226, 226)];
-    [m_colors addObject:DDMakeColor(232, 234, 234)];
-    [m_colors addObject:DDMakeColor(240, 242, 242)];
-    
-    // Color codes
-
-    int index = 16;
-
-    while (index < 256) {
-        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
-        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
-
-        index++;
-    }
-
-    #else /* if MAP_TO_TERMINAL_APP_COLORS */
-
-    // Standard xterm colors:
-    //
-    // These are the colors xterm shells use in xterm-256color mode.
-    // In this mode, the shell supports 256 different colors, specified by 256 color codes.
-    //
-    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
-    // These are generally configurable, and thus we ignore them for the purposes of mapping,
-    // as we can't rely on them being constant. They are largely duplicated anyway.
-    //
-    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
-    // The last 24 color codes represent a grayscale.
-    //
-    // While the color codes are standardized, the actual RGB values for each color code is not.
-    // However most standard xterms follow a well known color chart,
-    // which can easily be calculated using the simple formula below.
-    //
-    // More information about ansi escape codes can be found online.
-    // http://en.wikipedia.org/wiki/ANSI_escape_code
-
-    int index = 16;
-
-    int r; // red
-    int g; // green
-    int b; // blue
-
-    int ri; // r increment
-    int gi; // g increment
-    int bi; // b increment
-
-    // Calculate xterm colors (using standard algorithm)
-
-    int r = 0;
-    int g = 0;
-    int b = 0;
-
-    for (ri = 0; ri < 6; ri++) {
-        r = (ri == 0) ? 0 : 95 + (40 * (ri - 1));
-
-        for (gi = 0; gi < 6; gi++) {
-            g = (gi == 0) ? 0 : 95 + (40 * (gi - 1));
-
-            for (bi = 0; bi < 6; bi++) {
-                b = (bi == 0) ? 0 : 95 + (40 * (bi - 1));
-
-                [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
-                [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
-                [m_colors addObject:DDMakeColor(r, g, b)];
-
-                index++;
-            }
-        }
-    }
-
-    // Calculate xterm grayscale (using standard algorithm)
-
-    r = 8;
-    g = 8;
-    b = 8;
-
-    while (index < 256) {
-        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
-        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
-        [m_colors addObject:DDMakeColor(r, g, b)];
-
-        r += 10;
-        g += 10;
-        b += 10;
-
-        index++;
-    }
-
-    #endif /* if MAP_TO_TERMINAL_APP_COLORS */
-
-    codes_fg = [m_codes_fg copy];
-    codes_bg = [m_codes_bg copy];
-    colors   = [m_colors   copy];
-
-    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
-    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
-}
-
-+ (void)getRed:(CGFloat *)rPtr green:(CGFloat *)gPtr blue:(CGFloat *)bPtr fromColor:(DDColor *)color {
-    #if TARGET_OS_IPHONE
-
-    // iOS
-
-    BOOL done = NO;
-
-    if ([color respondsToSelector:@selector(getRed:green:blue:alpha:)]) {
-        done = [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
-    }
-
-    if (!done) {
-        // The method getRed:green:blue:alpha: was only available starting iOS 5.
-        // So in iOS 4 and earlier, we have to jump through hoops.
-
-        CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
-
-        unsigned char pixel[4];
-        CGContextRef context = CGBitmapContextCreate(&pixel, 1, 1, 8, 4, rgbColorSpace, (CGBitmapInfo)(kCGBitmapAlphaInfoMask & kCGImageAlphaNoneSkipLast));
-
-        CGContextSetFillColorWithColor(context, [color CGColor]);
-        CGContextFillRect(context, CGRectMake(0, 0, 1, 1));
-
-        if (rPtr) {
-            *rPtr = pixel[0] / 255.0f;
-        }
-
-        if (gPtr) {
-            *gPtr = pixel[1] / 255.0f;
-        }
-
-        if (bPtr) {
-            *bPtr = pixel[2] / 255.0f;
-        }
-
-        CGContextRelease(context);
-        CGColorSpaceRelease(rgbColorSpace);
-    }
-
-    #elif defined(DD_CLI) || !__has_include(<AppKit/NSColor.h>)
-
-    // OS X without AppKit
-
-    [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
-
-    #else /* if TARGET_OS_IPHONE */
-
-    // OS X with AppKit
-
-    NSColor *safeColor = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
-
-    [safeColor getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
-    #endif /* if TARGET_OS_IPHONE */
-}
-
-/**
- * Maps the given color to the closest available color supported by the shell.
- * The shell may support 256 colors, or only 16.
- *
- * This method loops through the known supported color set, and calculates the closest color.
- * The array index of that color, within the colors array, is then returned.
- * This array index may also be used as the index within the codes_fg and codes_bg arrays.
- **/
-+ (NSUInteger)codeIndexForColor:(DDColor *)inColor {
-    CGFloat inR, inG, inB;
-
-    [self getRed:&inR green:&inG blue:&inB fromColor:inColor];
-
-    NSUInteger bestIndex = 0;
-    CGFloat lowestDistance = 100.0f;
-
-    NSUInteger i = 0;
-
-    for (DDColor *color in colors) {
-        // Calculate Euclidean distance (lower value means closer to given color)
-
-        CGFloat r, g, b;
-        [self getRed:&r green:&g blue:&b fromColor:color];
-
-    #if CGFLOAT_IS_DOUBLE
-        CGFloat distance = sqrt(pow(r - inR, 2.0) + pow(g - inG, 2.0) + pow(b - inB, 2.0));
-    #else
-        CGFloat distance = sqrtf(powf(r - inR, 2.0f) + powf(g - inG, 2.0f) + powf(b - inB, 2.0f));
-    #endif
-
-        NSLogVerbose(@"DDTTYLogger: %3lu : %.3f,%.3f,%.3f & %.3f,%.3f,%.3f = %.6f",
-                     (unsigned long)i, inR, inG, inB, r, g, b, distance);
-
-        if (distance < lowestDistance) {
-            bestIndex = i;
-            lowestDistance = distance;
-
-            NSLogVerbose(@"DDTTYLogger: New best index = %lu", (unsigned long)bestIndex);
-        }
-
-        i++;
-    }
-
-    return bestIndex;
-}
-
-+ (instancetype)sharedInstance {
-    static dispatch_once_t DDTTYLoggerOnceToken;
-
-    dispatch_once(&DDTTYLoggerOnceToken, ^{
-        // Xcode does NOT natively support colors in the Xcode debugging console.
-        // You'll need to install the XcodeColors plugin to see colors in the Xcode console.
-        //
-        // PS - Please read the header file before diving into the source code.
-
-        char *xcode_colors = getenv("XcodeColors");
-        char *term = getenv("TERM");
-
-        if (xcode_colors && (strcmp(xcode_colors, "YES") == 0)) {
-            isaXcodeColorTTY = YES;
-        } else if (term) {
-            if (strcasestr(term, "color") != NULL) {
-                isaColorTTY = YES;
-                isaColor256TTY = (strcasestr(term, "256") != NULL);
-
-                if (isaColor256TTY) {
-                    [self initialize_colors_256];
-                } else {
-                    [self initialize_colors_16];
-                }
-            }
-        }
-
-        NSLogInfo(@"DDTTYLogger: isaColorTTY = %@", (isaColorTTY ? @"YES" : @"NO"));
-        NSLogInfo(@"DDTTYLogger: isaColor256TTY: %@", (isaColor256TTY ? @"YES" : @"NO"));
-        NSLogInfo(@"DDTTYLogger: isaXcodeColorTTY: %@", (isaXcodeColorTTY ? @"YES" : @"NO"));
-
-        sharedInstance = [[[self class] alloc] init];
-    });
-
-    return sharedInstance;
-}
-
-- (instancetype)init {
-    if (sharedInstance != nil) {
-        return nil;
-    }
-
-    if ((self = [super init])) {
-        _calendarUnitFlags = (NSCalendarUnitYear     |
-                             NSCalendarUnitMonth    |
-                             NSCalendarUnitDay      |
-                             NSCalendarUnitHour     |
-                             NSCalendarUnitMinute   |
-                             NSCalendarUnitSecond);
-
-        // Initialze 'app' variable (char *)
-
-        _appName = [[NSProcessInfo processInfo] processName];
-
-        _appLen = [_appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-
-        if (_appLen == 0) {
-            _appName = @"<UnnamedApp>";
-            _appLen = [_appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-        }
-
-        _app = (char *)malloc(_appLen + 1);
-
-        if (_app == NULL) {
-            return nil;
-        }
-
-        BOOL processedAppName = [_appName getCString:_app maxLength:(_appLen + 1) encoding:NSUTF8StringEncoding];
-
-        if (NO == processedAppName) {
-            free(_app);
-            return nil;
-        }
-
-        // Initialize 'pid' variable (char *)
-
-        _processID = [NSString stringWithFormat:@"%i", (int)getpid()];
-
-        _pidLen = [_processID lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-        _pid = (char *)malloc(_pidLen + 1);
-
-        if (_pid == NULL) {
-            free(_app);
-            return nil;
-        }
-
-        BOOL processedID = [_processID getCString:_pid maxLength:(_pidLen + 1) encoding:NSUTF8StringEncoding];
-
-        if (NO == processedID) {
-            free(_app);
-            free(_pid);
-            return nil;
-        }
-
-        // Initialize color stuff
-
-        _colorsEnabled = NO;
-        _colorProfilesArray = [[NSMutableArray alloc] initWithCapacity:8];
-        _colorProfilesDict = [[NSMutableDictionary alloc] initWithCapacity:8];
-
-        _automaticallyAppendNewlineForCustomFormatters = YES;
-    }
-
-    return self;
-}
-
-- (void)loadDefaultColorProfiles {
-    [self setForegroundColor:DDMakeColor(214,  57,  30) backgroundColor:nil forFlag:DDLogFlagError];
-    [self setForegroundColor:DDMakeColor(204, 121,  32) backgroundColor:nil forFlag:DDLogFlagWarning];
-}
-
-- (BOOL)colorsEnabled {
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    __block BOOL result;
-
-    dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, ^{
-            result = _colorsEnabled;
-        });
-    });
-
-    return result;
-}
-
-- (void)setColorsEnabled:(BOOL)newColorsEnabled {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            _colorsEnabled = newColorsEnabled;
-
-            if ([_colorProfilesArray count] == 0) {
-                [self loadDefaultColorProfiles];
-            }
-        }
-    };
-
-    // The design of this method is taken from the DDAbstractLogger implementation.
-    // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    // Note: The internal implementation MUST access the colorsEnabled variable directly,
-    // This method is designed explicitly for external access.
-    //
-    // Using "self." syntax to go through this method will cause immediate deadlock.
-    // This is the intended result. Fix it by accessing the ivar directly.
-    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
-    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
-    dispatch_async(globalLoggingQueue, ^{
-        dispatch_async(self.loggerQueue, block);
-    });
-}
-
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask {
-    [self setForegroundColor:txtColor backgroundColor:bgColor forFlag:mask context:LOG_CONTEXT_ALL];
-}
-
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask context:(NSInteger)ctxt {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            DDTTYLoggerColorProfile *newColorProfile =
-                [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
-                                                         backgroundColor:bgColor
-                                                                    flag:mask
-                                                                 context:ctxt];
-
-            NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
-
-            NSUInteger i = 0;
-
-            for (DDTTYLoggerColorProfile *colorProfile in _colorProfilesArray) {
-                if ((colorProfile->mask == mask) && (colorProfile->context == ctxt)) {
-                    break;
-                }
-
-                i++;
-            }
-
-            if (i < [_colorProfilesArray count]) {
-                _colorProfilesArray[i] = newColorProfile;
-            } else {
-                [_colorProfilesArray addObject:newColorProfile];
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forTag:(id <NSCopying>)tag {
-    NSAssert([(id < NSObject >) tag conformsToProtocol: @protocol(NSCopying)], @"Invalid tag");
-
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            DDTTYLoggerColorProfile *newColorProfile =
-                [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
-                                                         backgroundColor:bgColor
-                                                                    flag:(DDLogFlag)0
-                                                                 context:0];
-
-            NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
-
-            _colorProfilesDict[tag] = newColorProfile;
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)clearColorsForFlag:(DDLogFlag)mask {
-    [self clearColorsForFlag:mask context:0];
-}
-
-- (void)clearColorsForFlag:(DDLogFlag)mask context:(NSInteger)context {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            NSUInteger i = 0;
-
-            for (DDTTYLoggerColorProfile *colorProfile in _colorProfilesArray) {
-                if ((colorProfile->mask == mask) && (colorProfile->context == context)) {
-                    break;
-                }
-
-                i++;
-            }
-
-            if (i < [_colorProfilesArray count]) {
-                [_colorProfilesArray removeObjectAtIndex:i];
-            }
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)clearColorsForTag:(id <NSCopying>)tag {
-    NSAssert([(id < NSObject >) tag conformsToProtocol: @protocol(NSCopying)], @"Invalid tag");
-
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [_colorProfilesDict removeObjectForKey:tag];
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)clearColorsForAllFlags {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [_colorProfilesArray removeAllObjects];
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)clearColorsForAllTags {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [_colorProfilesDict removeAllObjects];
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)clearAllColors {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [_colorProfilesArray removeAllObjects];
-            [_colorProfilesDict removeAllObjects];
-        }
-    };
-
-    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
-    // For documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
-        block();
-    } else {
-        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
-        dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
-        });
-    }
-}
-
-- (void)logMessage:(DDLogMessage *)logMessage {
-    NSString *logMsg = logMessage->_message;
-    BOOL isFormatted = NO;
-
-    if (_logFormatter) {
-        logMsg = [_logFormatter formatLogMessage:logMessage];
-        isFormatted = logMsg != logMessage->_message;
-    }
-
-    if (logMsg) {
-        // Search for a color profile associated with the log message
-
-        DDTTYLoggerColorProfile *colorProfile = nil;
-
-        if (_colorsEnabled) {
-            if (logMessage->_tag) {
-                colorProfile = _colorProfilesDict[logMessage->_tag];
-            }
-
-            if (colorProfile == nil) {
-                for (DDTTYLoggerColorProfile *cp in _colorProfilesArray) {
-                    if (logMessage->_flag & cp->mask) {
-                        // Color profile set for this context?
-                        if (logMessage->_context == cp->context) {
-                            colorProfile = cp;
-
-                            // Stop searching
-                            break;
-                        }
-
-                        // Check if LOG_CONTEXT_ALL was specified as a default color for this flag
-                        if (cp->context == LOG_CONTEXT_ALL) {
-                            colorProfile = cp;
-
-                            // We don't break to keep searching for more specific color profiles for the context
-                        }
-                    }
-                }
-            }
-        }
-
-        // Convert log message to C string.
-        //
-        // We use the stack instead of the heap for speed if possible.
-        // But we're extra cautious to avoid a stack overflow.
-
-        NSUInteger msgLen = [logMsg lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-        const BOOL useStack = msgLen < (1024 * 4);
-
-        char msgStack[useStack ? (msgLen + 1) : 1]; // Analyzer doesn't like zero-size array, hence the 1
-        char *msg = useStack ? msgStack : (char *)malloc(msgLen + 1);
-
-        if (msg == NULL) {
-            return;
-        }
-
-        BOOL logMsgEnc = [logMsg getCString:msg maxLength:(msgLen + 1) encoding:NSUTF8StringEncoding];
-
-        if (!logMsgEnc) {
-            if (!useStack && msg != NULL) {
-                free(msg);
-            }
-
-            return;
-        }
-
-        // Write the log message to STDERR
-
-        if (isFormatted) {
-            // The log message has already been formatted.
-            int iovec_len = (_automaticallyAppendNewlineForCustomFormatters) ? 5 : 4;
-            struct iovec v[iovec_len];
-
-            if (colorProfile) {
-                v[0].iov_base = colorProfile->fgCode;
-                v[0].iov_len = colorProfile->fgCodeLen;
-
-                v[1].iov_base = colorProfile->bgCode;
-                v[1].iov_len = colorProfile->bgCodeLen;
-
-                v[iovec_len - 1].iov_base = colorProfile->resetCode;
-                v[iovec_len - 1].iov_len = colorProfile->resetCodeLen;
-            } else {
-                v[0].iov_base = "";
-                v[0].iov_len = 0;
-
-                v[1].iov_base = "";
-                v[1].iov_len = 0;
-
-                v[iovec_len - 1].iov_base = "";
-                v[iovec_len - 1].iov_len = 0;
-            }
-
-            v[2].iov_base = (char *)msg;
-            v[2].iov_len = msgLen;
-
-            if (iovec_len == 5) {
-                v[3].iov_base = "\n";
-                v[3].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
-            }
-
-            writev(STDERR_FILENO, v, iovec_len);
-        } else {
-            // The log message is unformatted, so apply standard NSLog style formatting.
-
-            int len;
-            char ts[24] = "";
-            size_t tsLen = 0;
-
-            // Calculate timestamp.
-            // The technique below is faster than using NSDateFormatter.
-            if (logMessage->_timestamp) {
-                NSDateComponents *components = [[NSCalendar autoupdatingCurrentCalendar] components:_calendarUnitFlags fromDate:logMessage->_timestamp];
-
-                NSTimeInterval epoch = [logMessage->_timestamp timeIntervalSinceReferenceDate];
-                int milliseconds = (int)((epoch - floor(epoch)) * 1000);
-
-                len = snprintf(ts, 24, "%04ld-%02ld-%02ld %02ld:%02ld:%02ld:%03d", // yyyy-MM-dd HH:mm:ss:SSS
-                               (long)components.year,
-                               (long)components.month,
-                               (long)components.day,
-                               (long)components.hour,
-                               (long)components.minute,
-                               (long)components.second, milliseconds);
-
-                tsLen = (NSUInteger)MAX(MIN(24 - 1, len), 0);
-            }
-
-            // Calculate thread ID
-            //
-            // How many characters do we need for the thread id?
-            // logMessage->machThreadID is of type mach_port_t, which is an unsigned int.
-            //
-            // 1 hex char = 4 bits
-            // 8 hex chars for 32 bit, plus ending '\0' = 9
-
-            char tid[9];
-            len = snprintf(tid, 9, "%s", [logMessage->_threadID cStringUsingEncoding:NSUTF8StringEncoding]);
-
-            size_t tidLen = (NSUInteger)MAX(MIN(9 - 1, len), 0);
-
-            // Here is our format: "%s %s[%i:%s] %s", timestamp, appName, processID, threadID, logMsg
-
-            struct iovec v[13];
-
-            if (colorProfile) {
-                v[0].iov_base = colorProfile->fgCode;
-                v[0].iov_len = colorProfile->fgCodeLen;
-
-                v[1].iov_base = colorProfile->bgCode;
-                v[1].iov_len = colorProfile->bgCodeLen;
-
-                v[12].iov_base = colorProfile->resetCode;
-                v[12].iov_len = colorProfile->resetCodeLen;
-            } else {
-                v[0].iov_base = "";
-                v[0].iov_len = 0;
-
-                v[1].iov_base = "";
-                v[1].iov_len = 0;
-
-                v[12].iov_base = "";
-                v[12].iov_len = 0;
-            }
-
-            v[2].iov_base = ts;
-            v[2].iov_len = tsLen;
-
-            v[3].iov_base = " ";
-            v[3].iov_len = 1;
-
-            v[4].iov_base = _app;
-            v[4].iov_len = _appLen;
-
-            v[5].iov_base = "[";
-            v[5].iov_len = 1;
-
-            v[6].iov_base = _pid;
-            v[6].iov_len = _pidLen;
-
-            v[7].iov_base = ":";
-            v[7].iov_len = 1;
-
-            v[8].iov_base = tid;
-            v[8].iov_len = MIN((size_t)8, tidLen); // snprintf doesn't return what you might think
-
-            v[9].iov_base = "] ";
-            v[9].iov_len = 2;
-
-            v[10].iov_base = (char *)msg;
-            v[10].iov_len = msgLen;
-
-            v[11].iov_base = "\n";
-            v[11].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
-
-            writev(STDERR_FILENO, v, 13);
-        }
-
-        if (!useStack) {
-            free(msg);
-        }
-    }
-}
-
-- (NSString *)loggerName {
-    return @"cocoa.lumberjack.ttyLogger";
-}
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@implementation DDTTYLoggerColorProfile
-
-- (instancetype)initWithForegroundColor:(DDColor *)fgColor backgroundColor:(DDColor *)bgColor flag:(DDLogFlag)aMask context:(NSInteger)ctxt {
-    if ((self = [super init])) {
-        mask = aMask;
-        context = ctxt;
-
-        CGFloat r, g, b;
-
-        if (fgColor) {
-            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:fgColor];
-
-            fg_r = (uint8_t)(r * 255.0f);
-            fg_g = (uint8_t)(g * 255.0f);
-            fg_b = (uint8_t)(b * 255.0f);
-        }
-
-        if (bgColor) {
-            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:bgColor];
-
-            bg_r = (uint8_t)(r * 255.0f);
-            bg_g = (uint8_t)(g * 255.0f);
-            bg_b = (uint8_t)(b * 255.0f);
-        }
-
-        if (fgColor && isaColorTTY) {
-            // Map foreground color to closest available shell color
-
-            fgCodeIndex = [DDTTYLogger codeIndexForColor:fgColor];
-            fgCodeRaw   = codes_fg[fgCodeIndex];
-
-            NSString *escapeSeq = @"\033[";
-
-            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-            NSUInteger len2 = [fgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-
-            BOOL escapeSeqEnc = [escapeSeq getCString:(fgCode)      maxLength:(len1 + 1) encoding:NSUTF8StringEncoding];
-            BOOL fgCodeRawEsc = [fgCodeRaw getCString:(fgCode + len1) maxLength:(len2 + 1) encoding:NSUTF8StringEncoding];
-
-            if (!escapeSeqEnc || !fgCodeRawEsc) {
-                return nil;
-            }
-
-            fgCodeLen = len1 + len2;
-        } else if (fgColor && isaXcodeColorTTY) {
-            // Convert foreground color to color code sequence
-
-            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
-
-            int result = snprintf(fgCode, 24, "%sfg%u,%u,%u;", escapeSeq, fg_r, fg_g, fg_b);
-            fgCodeLen = (NSUInteger)MAX(MIN(result, (24 - 1)), 0);
-        } else {
-            // No foreground color or no color support
-
-            fgCode[0] = '\0';
-            fgCodeLen = 0;
-        }
-
-        if (bgColor && isaColorTTY) {
-            // Map background color to closest available shell color
-
-            bgCodeIndex = [DDTTYLogger codeIndexForColor:bgColor];
-            bgCodeRaw   = codes_bg[bgCodeIndex];
-
-            NSString *escapeSeq = @"\033[";
-
-            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-            NSUInteger len2 = [bgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
-
-            BOOL escapeSeqEnc = [escapeSeq getCString:(bgCode)      maxLength:(len1 + 1) encoding:NSUTF8StringEncoding];
-            BOOL bgCodeRawEsc = [bgCodeRaw getCString:(bgCode + len1) maxLength:(len2 + 1) encoding:NSUTF8StringEncoding];
-
-            if (!escapeSeqEnc || !bgCodeRawEsc) {
-                return nil;
-            }
-
-            bgCodeLen = len1 + len2;
-        } else if (bgColor && isaXcodeColorTTY) {
-            // Convert background color to color code sequence
-
-            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
-
-            int result = snprintf(bgCode, 24, "%sbg%u,%u,%u;", escapeSeq, bg_r, bg_g, bg_b);
-            bgCodeLen = (NSUInteger)MAX(MIN(result, (24 - 1)), 0);
-        } else {
-            // No background color or no color support
-
-            bgCode[0] = '\0';
-            bgCodeLen = 0;
-        }
-
-        if (isaColorTTY) {
-            resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, "\033[0m"), 0);
-        } else if (isaXcodeColorTTY) {
-            resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, XCODE_COLORS_RESET), 0);
-        } else {
-            resetCode[0] = '\0';
-            resetCodeLen = 0;
-        }
-    }
-
-    return self;
-}
-
-- (NSString *)description {
-    return [NSString stringWithFormat:
-            @"<DDTTYLoggerColorProfile: %p mask:%i ctxt:%ld fg:%u,%u,%u bg:%u,%u,%u fgCode:%@ bgCode:%@>",
-            self, (int)mask, (long)context, fg_r, fg_g, fg_b, bg_r, bg_g, bg_b, fgCodeRaw, bgCodeRaw];
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.h b/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.h
deleted file mode 100644
index 1657f1f..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.h
+++ /dev/null
@@ -1,117 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import <Foundation/Foundation.h>
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-/**
- * This class provides a log formatter that filters log statements from a logging context not on the whitelist.
- *
- * A log formatter can be added to any logger to format and/or filter its output.
- * You can learn more about log formatters here:
- * Documentation/CustomFormatters.md
- *
- * You can learn more about logging context's here:
- * Documentation/CustomContext.md
- *
- * But here's a quick overview / refresher:
- *
- * Every log statement has a logging context.
- * These come from the underlying logging macros defined in DDLog.h.
- * The default logging context is zero.
- * You can define multiple logging context's for use in your application.
- * For example, logically separate parts of your app each have a different logging context.
- * Also 3rd party frameworks that make use of Lumberjack generally use their own dedicated logging context.
- **/
-@interface DDContextWhitelistFilterLogFormatter : NSObject <DDLogFormatter>
-
-/**
- *  Designated default initializer
- */
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
-
-/**
- *  Add a context to the whitelist
- *
- *  @param loggingContext the context
- */
-- (void)addToWhitelist:(NSUInteger)loggingContext;
-
-/**
- *  Remove context from whitelist
- *
- *  @param loggingContext the context
- */
-- (void)removeFromWhitelist:(NSUInteger)loggingContext;
-
-/**
- *  Return the whitelist
- */
-@property (readonly, copy) NSArray *whitelist;
-
-/**
- *  Check if a context is on the whitelist
- *
- *  @param loggingContext the context
- */
-- (BOOL)isOnWhitelist:(NSUInteger)loggingContext;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-/**
- * This class provides a log formatter that filters log statements from a logging context on the blacklist.
- **/
-@interface DDContextBlacklistFilterLogFormatter : NSObject <DDLogFormatter>
-
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
-
-/**
- *  Add a context to the blacklist
- *
- *  @param loggingContext the context
- */
-- (void)addToBlacklist:(NSUInteger)loggingContext;
-
-/**
- *  Remove context from blacklist
- *
- *  @param loggingContext the context
- */
-- (void)removeFromBlacklist:(NSUInteger)loggingContext;
-
-/**
- *  Return the blacklist
- */
-@property (readonly, copy) NSArray *blacklist;
-
-
-/**
- *  Check if a context is on the blacklist
- *
- *  @param loggingContext the context
- */
-- (BOOL)isOnBlacklist:(NSUInteger)loggingContext;
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.m b/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.m
deleted file mode 100644
index 14a6ae9..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDContextFilterLogFormatter.m
+++ /dev/null
@@ -1,191 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDContextFilterLogFormatter.h"
-#import <libkern/OSAtomic.h>
-
-#if !__has_feature(objc_arc)
-#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
-#endif
-
-@interface DDLoggingContextSet : NSObject
-
-- (void)addToSet:(NSUInteger)loggingContext;
-- (void)removeFromSet:(NSUInteger)loggingContext;
-
-@property (readonly, copy) NSArray *currentSet;
-
-- (BOOL)isInSet:(NSUInteger)loggingContext;
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@interface DDContextWhitelistFilterLogFormatter () {
-    DDLoggingContextSet *_contextSet;
-}
-
-@end
-
-
-@implementation DDContextWhitelistFilterLogFormatter
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        _contextSet = [[DDLoggingContextSet alloc] init];
-    }
-
-    return self;
-}
-
-- (void)addToWhitelist:(NSUInteger)loggingContext {
-    [_contextSet addToSet:loggingContext];
-}
-
-- (void)removeFromWhitelist:(NSUInteger)loggingContext {
-    [_contextSet removeFromSet:loggingContext];
-}
-
-- (NSArray *)whitelist {
-    return [_contextSet currentSet];
-}
-
-- (BOOL)isOnWhitelist:(NSUInteger)loggingContext {
-    return [_contextSet isInSet:loggingContext];
-}
-
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
-    if ([self isOnWhitelist:logMessage->_context]) {
-        return logMessage->_message;
-    } else {
-        return nil;
-    }
-}
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@interface DDContextBlacklistFilterLogFormatter () {
-    DDLoggingContextSet *_contextSet;
-}
-
-@end
-
-
-@implementation DDContextBlacklistFilterLogFormatter
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        _contextSet = [[DDLoggingContextSet alloc] init];
-    }
-
-    return self;
-}
-
-- (void)addToBlacklist:(NSUInteger)loggingContext {
-    [_contextSet addToSet:loggingContext];
-}
-
-- (void)removeFromBlacklist:(NSUInteger)loggingContext {
-    [_contextSet removeFromSet:loggingContext];
-}
-
-- (NSArray *)blacklist {
-    return [_contextSet currentSet];
-}
-
-- (BOOL)isOnBlacklist:(NSUInteger)loggingContext {
-    return [_contextSet isInSet:loggingContext];
-}
-
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
-    if ([self isOnBlacklist:logMessage->_context]) {
-        return nil;
-    } else {
-        return logMessage->_message;
-    }
-}
-
-@end
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-
-@interface DDLoggingContextSet () {
-    OSSpinLock _lock;
-    NSMutableSet *_set;
-}
-
-@end
-
-
-@implementation DDLoggingContextSet
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        _set = [[NSMutableSet alloc] init];
-    }
-
-    return self;
-}
-
-- (void)addToSet:(NSUInteger)loggingContext {
-    OSSpinLockLock(&_lock);
-    {
-        [_set addObject:@(loggingContext)];
-    }
-    OSSpinLockUnlock(&_lock);
-}
-
-- (void)removeFromSet:(NSUInteger)loggingContext {
-    OSSpinLockLock(&_lock);
-    {
-        [_set removeObject:@(loggingContext)];
-    }
-    OSSpinLockUnlock(&_lock);
-}
-
-- (NSArray *)currentSet {
-    NSArray *result = nil;
-
-    OSSpinLockLock(&_lock);
-    {
-        result = [_set allObjects];
-    }
-    OSSpinLockUnlock(&_lock);
-
-    return result;
-}
-
-- (BOOL)isInSet:(NSUInteger)loggingContext {
-    BOOL result = NO;
-
-    OSSpinLockLock(&_lock);
-    {
-        result = [_set containsObject:@(loggingContext)];
-    }
-    OSSpinLockUnlock(&_lock);
-
-    return result;
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.h b/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.h
deleted file mode 100644
index 129f6e1..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.h
+++ /dev/null
@@ -1,178 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import <Foundation/Foundation.h>
-#import <libkern/OSAtomic.h>
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-/**
- *  Log formatter mode
- */
-typedef NS_ENUM(NSUInteger, DDDispatchQueueLogFormatterMode){
-    /**
-     *  This is the default option, means the formatter can be reused between multiple loggers and therefore is thread-safe.
-     *  There is, of course, a performance cost for the thread-safety
-     */
-    DDDispatchQueueLogFormatterModeShareble = 0,
-    /**
-     *  If the formatter will only be used by a single logger, then the thread-safety can be removed
-     *  @note: there is an assert checking if the formatter is added to multiple loggers and the mode is non-shareble
-     */
-    DDDispatchQueueLogFormatterModeNonShareble,
-};
-
-
-/**
- * This class provides a log formatter that prints the dispatch_queue label instead of the mach_thread_id.
- *
- * A log formatter can be added to any logger to format and/or filter its output.
- * You can learn more about log formatters here:
- * Documentation/CustomFormatters.md
- *
- * A typical `NSLog` (or `DDTTYLogger`) prints detailed info as `[<process_id>:<thread_id>]`.
- * For example:
- *
- * `2011-10-17 20:21:45.435 AppName[19928:5207] Your log message here`
- *
- * Where:
- * `- 19928 = process id`
- * `-  5207 = thread id (mach_thread_id printed in hex)`
- *
- * When using grand central dispatch (GCD), this information is less useful.
- * This is because a single serial dispatch queue may be run on any thread from an internally managed thread pool.
- * For example:
- *
- * `2011-10-17 20:32:31.111 AppName[19954:4d07] Message from my_serial_dispatch_queue`
- * `2011-10-17 20:32:31.112 AppName[19954:5207] Message from my_serial_dispatch_queue`
- * `2011-10-17 20:32:31.113 AppName[19954:2c55] Message from my_serial_dispatch_queue`
- *
- * This formatter allows you to replace the standard `[box:info]` with the dispatch_queue name.
- * For example:
- *
- * `2011-10-17 20:32:31.111 AppName[img-scaling] Message from my_serial_dispatch_queue`
- * `2011-10-17 20:32:31.112 AppName[img-scaling] Message from my_serial_dispatch_queue`
- * `2011-10-17 20:32:31.113 AppName[img-scaling] Message from my_serial_dispatch_queue`
- *
- * If the dispatch_queue doesn't have a set name, then it falls back to the thread name.
- * If the current thread doesn't have a set name, then it falls back to the mach_thread_id in hex (like normal).
- *
- * Note: If manually creating your own background threads (via `NSThread/alloc/init` or `NSThread/detachNeThread`),
- * you can use `[[NSThread currentThread] setName:(NSString *)]`.
- **/
-@interface DDDispatchQueueLogFormatter : NSObject <DDLogFormatter>
-
-/**
- * Standard init method.
- * Configure using properties as desired.
- **/
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
-
-/**
- *  Initializer with ability to set the queue mode
- *
- *  @param mode choose between DDDispatchQueueLogFormatterModeShareble and DDDispatchQueueLogFormatterModeNonShareble, depending if the formatter is shared between several loggers or not
- */
-- (instancetype)initWithMode:(DDDispatchQueueLogFormatterMode)mode;
-
-/**
- * The minQueueLength restricts the minimum size of the [detail box].
- * If the minQueueLength is set to 0, there is no restriction.
- *
- * For example, say a dispatch_queue has a label of "diskIO":
- *
- * If the minQueueLength is 0: [diskIO]
- * If the minQueueLength is 4: [diskIO]
- * If the minQueueLength is 5: [diskIO]
- * If the minQueueLength is 6: [diskIO]
- * If the minQueueLength is 7: [diskIO ]
- * If the minQueueLength is 8: [diskIO  ]
- *
- * The default minQueueLength is 0 (no minimum, so [detail box] won't be padded).
- *
- * If you want every [detail box] to have the exact same width,
- * set both minQueueLength and maxQueueLength to the same value.
- **/
-@property (assign, atomic) NSUInteger minQueueLength;
-
-/**
- * The maxQueueLength restricts the number of characters that will be inside the [detail box].
- * If the maxQueueLength is 0, there is no restriction.
- *
- * For example, say a dispatch_queue has a label of "diskIO":
- *
- * If the maxQueueLength is 0: [diskIO]
- * If the maxQueueLength is 4: [disk]
- * If the maxQueueLength is 5: [diskI]
- * If the maxQueueLength is 6: [diskIO]
- * If the maxQueueLength is 7: [diskIO]
- * If the maxQueueLength is 8: [diskIO]
- *
- * The default maxQueueLength is 0 (no maximum, so [detail box] won't be truncated).
- *
- * If you want every [detail box] to have the exact same width,
- * set both minQueueLength and maxQueueLength to the same value.
- **/
-@property (assign, atomic) NSUInteger maxQueueLength;
-
-/**
- * Sometimes queue labels have long names like "com.apple.main-queue",
- * but you'd prefer something shorter like simply "main".
- *
- * This method allows you to set such preferred replacements.
- * The above example is set by default.
- *
- * To remove/undo a previous replacement, invoke this method with nil for the 'shortLabel' parameter.
- **/
-- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel;
-
-/**
- *  See the `replacementStringForQueueLabel:` description
- */
-- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel;
-
-@end
-
-/**
- *  Category on `DDDispatchQueueLogFormatter` to make method declarations easier to extend/modify
- **/
-@interface DDDispatchQueueLogFormatter (OverridableMethods)
-
-/**
- *  Date formatter default configuration
- */
-- (void)configureDateFormatter:(NSDateFormatter *)dateFormatter;
-
-/**
- *  Formatter method to transfrom from date to string
- */
-- (NSString *)stringFromDate:(NSDate *)date;
-
-/**
- *  Method to compute the queue thread label
- */
-- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage;
-
-/**
- *  The actual method that formats a message (transforms a `DDLogMessage` model into a printable string)
- */
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.m b/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.m
deleted file mode 100644
index fdcc87b..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDDispatchQueueLogFormatter.m
+++ /dev/null
@@ -1,277 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import "DDDispatchQueueLogFormatter.h"
-#import <libkern/OSAtomic.h>
-#import <objc/runtime.h>
-
-
-#if !__has_feature(objc_arc)
-#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
-#endif
-
-@interface DDDispatchQueueLogFormatter () {
-    DDDispatchQueueLogFormatterMode _mode;
-    NSString *_dateFormatterKey;
-    
-    int32_t _atomicLoggerCount;
-    NSDateFormatter *_threadUnsafeDateFormatter; // Use [self stringFromDate]
-    
-    OSSpinLock _lock;
-    
-    NSUInteger _minQueueLength;           // _prefix == Only access via atomic property
-    NSUInteger _maxQueueLength;           // _prefix == Only access via atomic property
-    NSMutableDictionary *_replacements;   // _prefix == Only access from within spinlock
-}
-
-@end
-
-
-@implementation DDDispatchQueueLogFormatter
-
-- (instancetype)init {
-    if ((self = [super init])) {
-        _mode = DDDispatchQueueLogFormatterModeShareble;
-
-        // We need to carefully pick the name for storing in thread dictionary to not
-        // use a formatter configured by subclass and avoid surprises.
-        Class cls = [self class];
-        Class superClass = class_getSuperclass(cls);
-        SEL configMethodName = @selector(configureDateFormatter:);
-        Method configMethod = class_getInstanceMethod(cls, configMethodName);
-        while (class_getInstanceMethod(superClass, configMethodName) == configMethod) {
-            cls = superClass;
-            superClass = class_getSuperclass(cls);
-        }
-        // now `cls` is the class that provides implementation for `configureDateFormatter:`
-        _dateFormatterKey = [NSString stringWithFormat:@"%s_NSDateFormatter", class_getName(cls)];
-
-        _atomicLoggerCount = 0;
-        _threadUnsafeDateFormatter = nil;
-
-        _minQueueLength = 0;
-        _maxQueueLength = 0;
-        _replacements = [[NSMutableDictionary alloc] init];
-
-        // Set default replacements:
-
-        _replacements[@"com.apple.main-thread"] = @"main";
-    }
-
-    return self;
-}
-
-- (instancetype)initWithMode:(DDDispatchQueueLogFormatterMode)mode {
-    if ((self = [self init])) {
-        _mode = mode;
-    }
-    return self;
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark Configuration
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@synthesize minQueueLength = _minQueueLength;
-@synthesize maxQueueLength = _maxQueueLength;
-
-- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel {
-    NSString *result = nil;
-
-    OSSpinLockLock(&_lock);
-    {
-        result = _replacements[longLabel];
-    }
-    OSSpinLockUnlock(&_lock);
-
-    return result;
-}
-
-- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel {
-    OSSpinLockLock(&_lock);
-    {
-        if (shortLabel) {
-            _replacements[longLabel] = shortLabel;
-        } else {
-            [_replacements removeObjectForKey:longLabel];
-        }
-    }
-    OSSpinLockUnlock(&_lock);
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark DDLogFormatter
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-- (NSDateFormatter *)createDateFormatter {
-    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
-    [self configureDateFormatter:formatter];
-    return formatter;
-}
-
-- (void)configureDateFormatter:(NSDateFormatter *)dateFormatter {
-    [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
-    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss:SSS"];
-    [dateFormatter setLocale:[NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]];
-
-    NSString *calendarIdentifier = nil;
-#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
-    calendarIdentifier = NSCalendarIdentifierGregorian;
-#else
-    calendarIdentifier = NSGregorianCalendar;
-#endif
-
-    [dateFormatter setCalendar:[[NSCalendar alloc] initWithCalendarIdentifier:calendarIdentifier]];
-}
-
-- (NSString *)stringFromDate:(NSDate *)date {
-
-    NSDateFormatter *dateFormatter = nil;
-    if (_mode == DDDispatchQueueLogFormatterModeNonShareble) {
-        // Single-threaded mode.
-
-        dateFormatter = _threadUnsafeDateFormatter;
-        if (dateFormatter == nil) {
-            dateFormatter = [self createDateFormatter];
-            _threadUnsafeDateFormatter = dateFormatter;
-        }
-    } else {
-        // Multi-threaded mode.
-        // NSDateFormatter is NOT thread-safe.
-
-        NSString *key = _dateFormatterKey;
-
-        NSMutableDictionary *threadDictionary = [[NSThread currentThread] threadDictionary];
-        dateFormatter = threadDictionary[key];
-
-        if (dateFormatter == nil) {
-            dateFormatter = [self createDateFormatter];
-            threadDictionary[key] = dateFormatter;
-        }
-    }
-
-    return [dateFormatter stringFromDate:date];
-}
-
-- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage {
-    // As per the DDLogFormatter contract, this method is always invoked on the same thread/dispatch_queue
-
-    NSUInteger minQueueLength = self.minQueueLength;
-    NSUInteger maxQueueLength = self.maxQueueLength;
-
-    // Get the name of the queue, thread, or machID (whichever we are to use).
-
-    NSString *queueThreadLabel = nil;
-
-    BOOL useQueueLabel = YES;
-    BOOL useThreadName = NO;
-
-    if (logMessage->_queueLabel) {
-        // If you manually create a thread, it's dispatch_queue will have one of the thread names below.
-        // Since all such threads have the same name, we'd prefer to use the threadName or the machThreadID.
-
-        NSArray *names = @[
-            @"com.apple.root.low-priority",
-            @"com.apple.root.default-priority",
-            @"com.apple.root.high-priority",
-            @"com.apple.root.low-overcommit-priority",
-            @"com.apple.root.default-overcommit-priority",
-            @"com.apple.root.high-overcommit-priority"
-        ];
-
-        for (NSString * name in names) {
-            if ([logMessage->_queueLabel isEqualToString:name]) {
-                useQueueLabel = NO;
-                useThreadName = [logMessage->_threadName length] > 0;
-                break;
-            }
-        }
-    } else {
-        useQueueLabel = NO;
-        useThreadName = [logMessage->_threadName length] > 0;
-    }
-
-    if (useQueueLabel || useThreadName) {
-        NSString *fullLabel;
-        NSString *abrvLabel;
-
-        if (useQueueLabel) {
-            fullLabel = logMessage->_queueLabel;
-        } else {
-            fullLabel = logMessage->_threadName;
-        }
-
-        OSSpinLockLock(&_lock);
-        {
-            abrvLabel = _replacements[fullLabel];
-        }
-        OSSpinLockUnlock(&_lock);
-
-        if (abrvLabel) {
-            queueThreadLabel = abrvLabel;
-        } else {
-            queueThreadLabel = fullLabel;
-        }
-    } else {
-        queueThreadLabel = logMessage->_threadID;
-    }
-
-    // Now use the thread label in the output
-
-    NSUInteger labelLength = [queueThreadLabel length];
-
-    // labelLength > maxQueueLength : truncate
-    // labelLength < minQueueLength : padding
-    //                              : exact
-
-    if ((maxQueueLength > 0) && (labelLength > maxQueueLength)) {
-        // Truncate
-
-        return [queueThreadLabel substringToIndex:maxQueueLength];
-    } else if (labelLength < minQueueLength) {
-        // Padding
-
-        NSUInteger numSpaces = minQueueLength - labelLength;
-
-        char spaces[numSpaces + 1];
-        memset(spaces, ' ', numSpaces);
-        spaces[numSpaces] = '\0';
-
-        return [NSString stringWithFormat:@"%@%s", queueThreadLabel, spaces];
-    } else {
-        // Exact
-
-        return queueThreadLabel;
-    }
-}
-
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
-    NSString *timestamp = [self stringFromDate:(logMessage->_timestamp)];
-    NSString *queueThreadLabel = [self queueThreadLabelForLogMessage:logMessage];
-
-    return [NSString stringWithFormat:@"%@ [%@] %@", timestamp, queueThreadLabel, logMessage->_message];
-}
-
-- (void)didAddToLogger:(id <DDLogger>  __attribute__((unused)))logger {
-    int32_t count = 0;
-    count = OSAtomicIncrement32(&_atomicLoggerCount);
-    NSAssert(count <= 1 || _mode == DDDispatchQueueLogFormatterModeShareble, @"Can't reuse formatter with multiple loggers in non-shareable mode.");
-}
-
-- (void)willRemoveFromLogger:(id <DDLogger> __attribute__((unused)))logger {
-    OSAtomicDecrement32(&_atomicLoggerCount);
-}
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.h b/Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.h
deleted file mode 100644
index 1d6ceea..0000000
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-#import <Foundation/Foundation.h>
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
-#import "DDLog.h"
-
-/**
- * This formatter can be used to chain different formatters together.
- * The log message will processed in the order of the formatters added.
- **/
-@interface DDMultiFormatter : NSObject <DDLogFormatter>
-
-/**
- *  Array of chained formatters
- */
-@property (readonly) NSArray *formatters;
-
-/**
- *  Add a new formatter
- */
-- (void)addFormatter:(id<DDLogFormatter>)formatter;
-
-/**
- *  Remove a formatter
- */
-- (void)removeFormatter:(id<DDLogFormatter>)formatter;
-
-/**
- *  Remove all existing formatters
- */
-- (void)removeAllFormatters;
-
-/**
- *  Check if a certain formatter is used
- */
-- (BOOL)isFormattingWithFormatter:(id<DDLogFormatter>)formatter;
-
-@end
diff --git a/Example/Pods/CocoaLumberjack/Framework/Lumberjack/CocoaLumberjack.modulemap b/Example/Pods/CocoaLumberjack/Framework/Lumberjack/CocoaLumberjack.modulemap
deleted file mode 100644
index 032ae65..0000000
--- a/Example/Pods/CocoaLumberjack/Framework/Lumberjack/CocoaLumberjack.modulemap
+++ /dev/null
@@ -1,36 +0,0 @@
-framework module CocoaLumberjack {
-	umbrella header "CocoaLumberjack.h"
-	
-	export *
-	module * { export * }
-	
-	textual header "DDLogMacros.h"
-	
-	exclude header "DDLog+LOGV.h"
-	exclude header "DDLegacyMacros.h"
-	
-	explicit module DDContextFilterLogFormatter {
-		header "DDContextFilterLogFormatter.h"
-		export *
-	}
-	
-	explicit module DDDispatchQueueLogFormatter {
-		header "DDDispatchQueueLogFormatter.h"
-		export *
-	}
-	
-	explicit module DDMultiFormatter {
-		header "DDMultiFormatter.h"
-		export *
-	}
-	
-	explicit module DDASLLogCapture {
-		header "DDASLLogCapture.h"
-		export *
-	}
-	
-	explicit module DDAbstractDatabaseLogger {
-		header "DDAbstractDatabaseLogger.h"
-		export *
-	}
-}
diff --git a/Example/Pods/CocoaLumberjack/LICENSE.txt b/Example/Pods/CocoaLumberjack/LICENSE.txt
index 9c29fac..66a942c 100644
--- a/Example/Pods/CocoaLumberjack/LICENSE.txt
+++ b/Example/Pods/CocoaLumberjack/LICENSE.txt
@@ -1,6 +1,6 @@
 Software License Agreement (BSD License)
 
-Copyright (c) 2010-2015, Deusty, LLC
+Copyright (c) 2010, Deusty, LLC
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.h
new file mode 100644
index 0000000..53dc6b0
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.h
@@ -0,0 +1,23 @@
+//
+//  DDASLLogCapture.h
+//  Lumberjack
+//
+//  Created by Dario Ahdoot on 3/17/14.
+//
+//
+
+#import "DDASLLogger.h"
+
+@protocol DDLogger;
+
+@interface DDASLLogCapture : NSObject
+
++ (void)start;
++ (void)stop;
+
+// Default log level: LOG_LEVEL_VERBOSE (i.e. capture all ASL messages).
++ (int)captureLogLevel;
++ (void)setCaptureLogLevel:(int)LOG_LEVEL_XXX;
+
+@end
+
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.m
new file mode 100644
index 0000000..52bfc1b
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogCapture.m
@@ -0,0 +1,188 @@
+//
+//  DDASLLogCapture.m
+//  Lumberjack
+//
+//  Created by Dario Ahdoot on 3/17/14.
+//
+//
+
+#import "DDASLLogCapture.h"
+#import "DDLog.h"
+
+#include <asl.h>
+#include <notify.h>
+#include <notify_keys.h>
+#include <sys/time.h>
+
+static BOOL _cancel = YES;
+static int _captureLogLevel = LOG_LEVEL_VERBOSE;
+
+@implementation DDASLLogCapture
+
++ (void)start
+{
+    // Ignore subsequent calls
+    if (!_cancel)
+        return;
+    
+    _cancel = NO;
+    
+    dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void)
+                   {
+                       [DDASLLogCapture captureAslLogs];
+                   });
+}
+
++ (void)stop
+{
+    _cancel = YES;
+}
+
++ (int)captureLogLevel
+{
+    return _captureLogLevel;
+}
+
++ (void)setCaptureLogLevel:(int)LOG_LEVEL_XXX
+{
+    _captureLogLevel = LOG_LEVEL_XXX;
+}
+
+# pragma mark - Private methods
+
++ (void)configureAslQuery:(aslmsg)query
+{
+    const char param[] = "7";  // ASL_LEVEL_DEBUG, which is everything. We'll rely on regular DDlog log level to filter
+    asl_set_query(query, ASL_KEY_LEVEL, param, ASL_QUERY_OP_LESS_EQUAL | ASL_QUERY_OP_NUMERIC);
+    
+#if !TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
+    int processId = [[NSProcessInfo processInfo] processIdentifier];
+    char pid[16];
+    sprintf(pid, "%d", processId);
+    asl_set_query(query, ASL_KEY_PID, pid, ASL_QUERY_OP_EQUAL | ASL_QUERY_OP_NUMERIC);
+#endif
+}
+
++ (void)aslMessageRecieved:(aslmsg)msg
+{
+    //  NSString * sender = [NSString stringWithCString:asl_get(msg, ASL_KEY_SENDER) encoding:NSUTF8StringEncoding];
+    NSString * message = [NSString stringWithCString:asl_get(msg, ASL_KEY_MSG) encoding:NSUTF8StringEncoding];
+    NSString * level = [NSString stringWithCString:asl_get(msg, ASL_KEY_LEVEL) encoding:NSUTF8StringEncoding];
+    NSString * secondsStr = [NSString stringWithCString:asl_get(msg, ASL_KEY_TIME) encoding:NSUTF8StringEncoding];
+    NSString * nanoStr = [NSString stringWithCString:asl_get(msg, ASL_KEY_TIME_NSEC) encoding:NSUTF8StringEncoding];
+    
+    NSTimeInterval seconds = [secondsStr doubleValue];
+    NSTimeInterval nanoSeconds = [nanoStr doubleValue];
+    NSTimeInterval totalSeconds = seconds + (nanoSeconds / 1e9);
+    
+    NSDate * timeStamp = [NSDate dateWithTimeIntervalSince1970:totalSeconds];
+    
+    int flag;
+    BOOL async;
+    switch([level intValue])
+    {
+        // By default all NSLog's with a ASL_LEVEL_WARNING level
+        case ASL_LEVEL_EMERG    :
+        case ASL_LEVEL_ALERT    :
+        case ASL_LEVEL_CRIT     : flag = LOG_FLAG_ERROR;    async = LOG_ASYNC_ERROR;    break;
+        case ASL_LEVEL_ERR      : flag = LOG_FLAG_WARN;     async = LOG_ASYNC_WARN;     break;
+        case ASL_LEVEL_WARNING  : flag = LOG_FLAG_INFO;     async = LOG_ASYNC_INFO;     break;
+        case ASL_LEVEL_NOTICE   : flag = LOG_FLAG_DEBUG;    async = LOG_ASYNC_DEBUG;    break;
+        case ASL_LEVEL_INFO     :
+        case ASL_LEVEL_DEBUG    :
+        default                 : flag = LOG_FLAG_VERBOSE;  async = LOG_ASYNC_VERBOSE;  break;
+    }
+    
+    if (!(_captureLogLevel & flag))
+        return;
+    
+    DDLogMessage * logMessage = [[DDLogMessage alloc]initWithLogMsg:message
+                                                              level:_captureLogLevel
+                                                               flag:flag
+                                                            context:0
+                                                               file:"DDASLLogCapture"
+                                                           function:0
+                                                               line:0
+                                                                tag:nil
+                                                            options:0
+                                                          timestamp:timeStamp];
+    
+    [DDLog log:async message:logMessage];
+}
+
++ (void)captureAslLogs
+{
+    @autoreleasepool
+    {
+        /*
+         We use ASL_KEY_MSG_ID to see each message once, but there's no
+         obvious way to get the "next" ID. To bootstrap the process, we'll
+         search by timestamp until we've seen a message.
+         */
+        
+        struct timeval timeval = { .tv_sec = 0 };
+        gettimeofday(&timeval, NULL);
+        unsigned long long startTime = timeval.tv_sec;
+        __block unsigned long long lastSeenID = 0;
+        
+        /*
+         syslogd posts kNotifyASLDBUpdate (com.apple.system.logger.message)
+         through the notify API when it saves messages to the ASL database.
+         There is some coalescing - currently it is sent at most twice per
+         second - but there is no documented guarantee about this. In any
+         case, there may be multiple messages per notification.
+         
+         Notify notifications don't carry any payload, so we need to search
+         for the messages.
+         */
+        int notifyToken = 0;  // Can be used to unregister with notify_cancel().
+        notify_register_dispatch(kNotifyASLDBUpdate, &notifyToken, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^(int token)
+                                 {
+                                     // At least one message has been posted; build a search query.
+                                     @autoreleasepool
+                                     {
+                                         aslmsg query = asl_new(ASL_TYPE_QUERY);
+                                         char stringValue[64];
+                                         if (lastSeenID > 0)
+                                         {
+                                             snprintf(stringValue, sizeof stringValue, "%llu", lastSeenID);
+                                             asl_set_query(query, ASL_KEY_MSG_ID, stringValue, ASL_QUERY_OP_GREATER | ASL_QUERY_OP_NUMERIC);
+                                         }
+                                         else
+                                         {
+                                             snprintf(stringValue, sizeof stringValue, "%llu", startTime);
+                                             asl_set_query(query, ASL_KEY_TIME, stringValue, ASL_QUERY_OP_GREATER_EQUAL | ASL_QUERY_OP_NUMERIC);
+                                         }
+                                         [DDASLLogCapture configureAslQuery:query];
+                                         
+                                         // Iterate over new messages.
+                                         aslmsg msg;
+                                         aslresponse response = asl_search(NULL, query);
+#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
+                                         while ((msg = asl_next(response)))
+#else
+                                         while ((msg = aslresponse_next(response)))
+#endif
+                                         {
+                                             [DDASLLogCapture aslMessageRecieved:msg];
+                                             
+                                             // Keep track of which messages we've seen.
+                                             lastSeenID = atoll(asl_get(msg, ASL_KEY_MSG_ID));
+                                         }
+#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
+                                         asl_release(response);
+#else
+                                         aslresponse_free(response);
+#endif
+                                         if(_cancel)
+                                         {
+                                             notify_cancel(notifyToken);
+                                             return;
+                                         }
+                                         free(query);
+                                     }
+                                 });
+    }
+}
+
+@end
\ No newline at end of file
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.h
new file mode 100755
index 0000000..a55eb6f
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.h
@@ -0,0 +1,37 @@
+#import <Foundation/Foundation.h>
+
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a logger for the Apple System Log facility.
+ * 
+ * As described in the "Getting Started" page,
+ * the traditional NSLog() function directs it's output to two places:
+ * 
+ * - Apple System Log
+ * - StdErr (if stderr is a TTY) so log statements show up in Xcode console
+ * 
+ * To duplicate NSLog() functionality you can simply add this logger and a tty logger.
+ * However, if you instead choose to use file logging (for faster performance),
+ * you may choose to use a file logger and a tty logger.
+**/
+
+@interface DDASLLogger : DDAbstractLogger <DDLogger>
+
++ (instancetype)sharedInstance;
+
+// Inherited from DDAbstractLogger
+
+// - (id <DDLogFormatter>)logFormatter;
+// - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.m
new file mode 100755
index 0000000..020acb2
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDASLLogger.m
@@ -0,0 +1,95 @@
+#import "DDASLLogger.h"
+#import <asl.h>
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+static DDASLLogger *sharedInstance;
+
+@implementation DDASLLogger
+{
+    aslclient client;
+}
+
++ (instancetype)sharedInstance
+{
+    static dispatch_once_t DDASLLoggerOnceToken;
+    dispatch_once(&DDASLLoggerOnceToken, ^{
+        sharedInstance = [[[self class] alloc] init];
+    });
+    
+    return sharedInstance;
+}
+
+- (id)init
+{
+    if (sharedInstance != nil)
+    {
+        return nil;
+    }
+    
+    if ((self = [super init]))
+    {
+        // A default asl client is provided for the main thread,
+        // but background threads need to create their own client.
+        
+        client = asl_open(NULL, "com.apple.console", 0);
+    }
+    return self;
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    // Skip captured log messages.
+    if (strcmp(logMessage->file, "DDASLLogCapture") == 0)
+        return;
+    
+    NSString *logMsg = logMessage->logMsg;
+    
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+    }
+    
+    if (logMsg)
+    {
+        const char *msg = [logMsg UTF8String];
+        
+        int aslLogLevel;
+        switch (logMessage->logFlag)
+        {
+            // Note: By default ASL will filter anything above level 5 (Notice).
+            // So our mappings shouldn't go above that level.
+            case LOG_FLAG_ERROR     : aslLogLevel = ASL_LEVEL_CRIT;     break;
+            case LOG_FLAG_WARN      : aslLogLevel = ASL_LEVEL_ERR;      break;
+            case LOG_FLAG_INFO      : aslLogLevel = ASL_LEVEL_WARNING;  break; // Regular NSLog's level
+            case LOG_FLAG_DEBUG     :
+            case LOG_FLAG_VERBOSE   :
+            default                 : aslLogLevel = ASL_LEVEL_NOTICE;   break;
+        }
+        
+        aslmsg m = asl_new(ASL_TYPE_MSG);
+        asl_set(m, ASL_KEY_READ_UID, "501");
+        asl_log(client, m, aslLogLevel, "%s", msg);
+        asl_free(m);
+    }
+}
+
+- (NSString *)loggerName
+{
+    return @"cocoa.lumberjack.aslLogger";
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.h
similarity index 68%
rename from Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.h
rename to Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.h
index aad3666..4e0c33c 100644
--- a/Example/Pods/CocoaLumberjack/Classes/DDAbstractDatabaseLogger.h
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.h
@@ -1,123 +1,102 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
+#import <Foundation/Foundation.h>
 
 #import "DDLog.h"
 
 /**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
  * This class provides an abstract implementation of a database logger.
- *
+ * 
  * That is, it provides the base implementation for a database logger to build atop of.
  * All that is needed for a concrete database logger is to extend this class
  * and override the methods in the implementation file that are prefixed with "db_".
- **/
+**/
+
 @interface DDAbstractDatabaseLogger : DDAbstractLogger {
-    
 @protected
-    NSUInteger _saveThreshold;
-    NSTimeInterval _saveInterval;
-    NSTimeInterval _maxAge;
-    NSTimeInterval _deleteInterval;
-    BOOL _deleteOnEverySave;
+    NSUInteger saveThreshold;
+    NSTimeInterval saveInterval;
+    NSTimeInterval maxAge;
+    NSTimeInterval deleteInterval;
+    BOOL deleteOnEverySave;
     
-    BOOL _saveTimerSuspended;
-    NSUInteger _unsavedCount;
-    dispatch_time_t _unsavedTime;
-    dispatch_source_t _saveTimer;
-    dispatch_time_t _lastDeleteTime;
-    dispatch_source_t _deleteTimer;
+    BOOL saveTimerSuspended;
+    NSUInteger unsavedCount;
+    dispatch_time_t unsavedTime;
+    dispatch_source_t saveTimer;
+    dispatch_time_t lastDeleteTime;
+    dispatch_source_t deleteTimer;
 }
 
 /**
  * Specifies how often to save the data to disk.
  * Since saving is an expensive operation (disk io) it is not done after every log statement.
  * These properties allow you to configure how/when the logger saves to disk.
- *
+ * 
  * A save is done when either (whichever happens first):
- *
+ * 
  * - The number of unsaved log entries reaches saveThreshold
  * - The amount of time since the oldest unsaved log entry was created reaches saveInterval
- *
+ * 
  * You can optionally disable the saveThreshold by setting it to zero.
  * If you disable the saveThreshold you are entirely dependent on the saveInterval.
- *
+ * 
  * You can optionally disable the saveInterval by setting it to zero (or a negative value).
  * If you disable the saveInterval you are entirely dependent on the saveThreshold.
- *
+ * 
  * It's not wise to disable both saveThreshold and saveInterval.
- *
+ * 
  * The default saveThreshold is 500.
  * The default saveInterval is 60 seconds.
- **/
+**/
 @property (assign, readwrite) NSUInteger saveThreshold;
-
-/**
- *  See the description for the `saveThreshold` property
- */
 @property (assign, readwrite) NSTimeInterval saveInterval;
 
 /**
  * It is likely you don't want the log entries to persist forever.
  * Doing so would allow the database to grow infinitely large over time.
- *
+ * 
  * The maxAge property provides a way to specify how old a log statement can get
  * before it should get deleted from the database.
- *
+ * 
  * The deleteInterval specifies how often to sweep for old log entries.
  * Since deleting is an expensive operation (disk io) is is done on a fixed interval.
- *
+ * 
  * An alternative to the deleteInterval is the deleteOnEverySave option.
  * This specifies that old log entries should be deleted during every save operation.
- *
+ * 
  * You can optionally disable the maxAge by setting it to zero (or a negative value).
  * If you disable the maxAge then old log statements are not deleted.
- *
+ * 
  * You can optionally disable the deleteInterval by setting it to zero (or a negative value).
- *
+ * 
  * If you disable both deleteInterval and deleteOnEverySave then old log statements are not deleted.
- *
+ * 
  * It's not wise to enable both deleteInterval and deleteOnEverySave.
- *
+ * 
  * The default maxAge is 7 days.
  * The default deleteInterval is 5 minutes.
  * The default deleteOnEverySave is NO.
- **/
+**/
 @property (assign, readwrite) NSTimeInterval maxAge;
-
-/**
- *  See the description for the `maxAge` property
- */
 @property (assign, readwrite) NSTimeInterval deleteInterval;
-
-/**
- *  See the description for the `maxAge` property
- */
 @property (assign, readwrite) BOOL deleteOnEverySave;
 
 /**
  * Forces a save of any pending log entries (flushes log entries to disk).
- **/
+**/
 - (void)savePendingLogEntries;
 
 /**
  * Removes any log entries that are older than maxAge.
- **/
+**/
 - (void)deleteOldLogEntries;
 
 @end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.m
new file mode 100644
index 0000000..05fcbcb
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDAbstractDatabaseLogger.m
@@ -0,0 +1,727 @@
+#import "DDAbstractDatabaseLogger.h"
+#import <math.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface DDAbstractDatabaseLogger ()
+- (void)destroySaveTimer;
+- (void)destroyDeleteTimer;
+@end
+
+#pragma mark -
+
+@implementation DDAbstractDatabaseLogger
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        saveThreshold = 500;
+        saveInterval = 60;           // 60 seconds
+        maxAge = (60 * 60 * 24 * 7); //  7 days
+        deleteInterval = (60 * 5);   //  5 minutes
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [self destroySaveTimer];
+    [self destroyDeleteTimer];
+    
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Override Me
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)db_log:(DDLogMessage *)logMessage
+{
+    // Override me and add your implementation.
+    // 
+    // Return YES if an item was added to the buffer.
+    // Return NO if the logMessage was ignored.
+    
+    return NO;
+}
+
+- (void)db_save
+{
+    // Override me and add your implementation.
+}
+
+- (void)db_delete
+{
+    // Override me and add your implementation.
+}
+
+- (void)db_saveAndDelete
+{
+    // Override me and add your implementation.
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)performSaveAndSuspendSaveTimer
+{
+    if (unsavedCount > 0)
+    {
+        if (deleteOnEverySave)
+            [self db_saveAndDelete];
+        else
+            [self db_save];
+    }
+    
+    unsavedCount = 0;
+    unsavedTime = 0;
+    
+    if (saveTimer && !saveTimerSuspended)
+    {
+        dispatch_suspend(saveTimer);
+        saveTimerSuspended = YES;
+    }
+}
+
+- (void)performDelete
+{
+    if (maxAge > 0.0)
+    {
+        [self db_delete];
+        
+        lastDeleteTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Timers
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)destroySaveTimer
+{
+    if (saveTimer)
+    {
+        dispatch_source_cancel(saveTimer);
+        if (saveTimerSuspended)
+        {
+            // Must resume a timer before releasing it (or it will crash)
+            dispatch_resume(saveTimer);
+            saveTimerSuspended = NO;
+        }
+        #if !OS_OBJECT_USE_OBJC
+        dispatch_release(saveTimer);
+        #endif
+        saveTimer = NULL;
+    }
+}
+
+- (void)updateAndResumeSaveTimer
+{
+    if ((saveTimer != NULL) && (saveInterval > 0.0) && (unsavedTime > 0.0))
+    {
+        uint64_t interval = (uint64_t)(saveInterval * NSEC_PER_SEC);
+        dispatch_time_t startTime = dispatch_time(unsavedTime, interval);
+        
+        dispatch_source_set_timer(saveTimer, startTime, interval, 1.0);
+        
+        if (saveTimerSuspended)
+        {
+            dispatch_resume(saveTimer);
+            saveTimerSuspended = NO;
+        }
+    }
+}
+
+- (void)createSuspendedSaveTimer
+{
+    if ((saveTimer == NULL) && (saveInterval > 0.0))
+    {
+        saveTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+        
+        dispatch_source_set_event_handler(saveTimer, ^{ @autoreleasepool {
+            
+            [self performSaveAndSuspendSaveTimer];
+            
+        }});
+        
+        saveTimerSuspended = YES;
+    }
+}
+
+- (void)destroyDeleteTimer
+{
+    if (deleteTimer)
+    {
+        dispatch_source_cancel(deleteTimer);
+        #if !OS_OBJECT_USE_OBJC
+        dispatch_release(deleteTimer);
+        #endif
+        deleteTimer = NULL;
+    }
+}
+
+- (void)updateDeleteTimer
+{
+    if ((deleteTimer != NULL) && (deleteInterval > 0.0) && (maxAge > 0.0))
+    {
+        uint64_t interval = (uint64_t)(deleteInterval * NSEC_PER_SEC);
+        dispatch_time_t startTime;
+        
+        if (lastDeleteTime > 0)
+            startTime = dispatch_time(lastDeleteTime, interval);
+        else
+            startTime = dispatch_time(DISPATCH_TIME_NOW, interval);
+        
+        dispatch_source_set_timer(deleteTimer, startTime, interval, 1.0);
+    }
+}
+
+- (void)createAndStartDeleteTimer
+{
+    if ((deleteTimer == NULL) && (deleteInterval > 0.0) && (maxAge > 0.0))
+    {
+        deleteTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+
+        if (deleteTimer != NULL) {
+            dispatch_source_set_event_handler(deleteTimer, ^{ @autoreleasepool {
+
+                [self performDelete];
+
+            }});
+
+            [self updateDeleteTimer];
+            
+            if (deleteTimer != NULL) dispatch_resume(deleteTimer);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)saveThreshold
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSUInteger result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = saveThreshold;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setSaveThreshold:(NSUInteger)threshold
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        if (saveThreshold != threshold)
+        {
+            saveThreshold = threshold;
+            
+            // Since the saveThreshold has changed,
+            // we check to see if the current unsavedCount has surpassed the new threshold.
+            // 
+            // If it has, we immediately save the log.
+            
+            if ((unsavedCount >= saveThreshold) && (saveThreshold > 0))
+            {
+                [self performSaveAndSuspendSaveTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)saveInterval
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = saveInterval;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setSaveInterval:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+    
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* saveInterval != interval */ islessgreater(saveInterval, interval))
+        {
+            saveInterval = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the saveInterval was previously enabled and it just got disabled,
+            //    then we need to stop the saveTimer. (And we might as well release it.)
+            // 
+            // 2. If the saveInterval was previously disabled and it just got enabled,
+            //    then we need to setup the saveTimer. (Plus we might need to do an immediate save.)
+            // 
+            // 3. If the saveInterval increased, then we need to reset the timer so that it fires at the later date.
+            // 
+            // 4. If the saveInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+            //    (Plus we might need to do an immediate save.)
+            
+            if (saveInterval > 0.0)
+            {
+                if (saveTimer == NULL)
+                {
+                    // Handles #2
+                    //
+                    // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self createSuspendedSaveTimer];
+                    [self updateAndResumeSaveTimer];
+                }
+                else
+                {
+                    // Handles #3
+                    // Handles #4
+                    //
+                    // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self updateAndResumeSaveTimer];
+                }
+            }
+            else if (saveTimer)
+            {
+                // Handles #1
+                
+                [self destroySaveTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)maxAge
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = maxAge;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setMaxAge:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* maxAge != interval */ islessgreater(maxAge, interval))
+        {
+            NSTimeInterval oldMaxAge = maxAge;
+            NSTimeInterval newMaxAge = interval;
+            
+            maxAge = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the maxAge was previously enabled and it just got disabled,
+            //    then we need to stop the deleteTimer. (And we might as well release it.)
+            // 
+            // 2. If the maxAge was previously disabled and it just got enabled,
+            //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+            // 
+            // 3. If the maxAge was increased,
+            //    then we don't need to do anything.
+            // 
+            // 4. If the maxAge was decreased,
+            //    then we should do an immediate delete.
+            
+            BOOL shouldDeleteNow = NO;
+            
+            if (oldMaxAge > 0.0)
+            {
+                if (newMaxAge <= 0.0)
+                {
+                    // Handles #1
+                    
+                    [self destroyDeleteTimer];
+                }
+                else if (oldMaxAge > newMaxAge)
+                {
+                    // Handles #4
+                    shouldDeleteNow = YES;
+                }
+            }
+            else if (newMaxAge > 0.0)
+            {
+                // Handles #2
+                shouldDeleteNow = YES;
+            }
+            
+            if (shouldDeleteNow)
+            {
+                [self performDelete];
+                
+                if (deleteTimer)
+                    [self updateDeleteTimer];
+                else
+                    [self createAndStartDeleteTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)deleteInterval
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = deleteInterval;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setDeleteInterval:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* deleteInterval != interval */ islessgreater(deleteInterval, interval))
+        {
+            deleteInterval = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the deleteInterval was previously enabled and it just got disabled,
+            //    then we need to stop the deleteTimer. (And we might as well release it.)
+            // 
+            // 2. If the deleteInterval was previously disabled and it just got enabled,
+            //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+            // 
+            // 3. If the deleteInterval increased, then we need to reset the timer so that it fires at the later date.
+            // 
+            // 4. If the deleteInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+            //    (Plus we might need to do an immediate delete.)
+            
+            if (deleteInterval > 0.0)
+            {
+                if (deleteTimer == NULL)
+                {
+                    // Handles #2
+                    //
+                    // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+                    // if a delete is needed the timer will fire immediately.
+                    
+                    [self createAndStartDeleteTimer];
+                }
+                else
+                {
+                    // Handles #3
+                    // Handles #4
+                    //
+                    // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self updateDeleteTimer];
+                }
+            }
+            else if (deleteTimer)
+            {
+                // Handles #1
+                
+                [self destroyDeleteTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (BOOL)deleteOnEverySave
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block BOOL result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = deleteOnEverySave;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setDeleteOnEverySave:(BOOL)flag
+{
+    dispatch_block_t block = ^{
+        
+        deleteOnEverySave = flag;
+    };
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)savePendingLogEntries
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self performSaveAndSuspendSaveTimer];
+    }};
+    
+    if ([self isOnInternalLoggerQueue])
+        block();
+    else
+        dispatch_async(loggerQueue, block);
+}
+
+- (void)deleteOldLogEntries
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self performDelete];
+    }};
+    
+    if ([self isOnInternalLoggerQueue])
+        block();
+    else
+        dispatch_async(loggerQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark DDLogger
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didAddLogger
+{
+    // If you override me be sure to invoke [super didAddLogger];
+    
+    [self createSuspendedSaveTimer];
+    
+    [self createAndStartDeleteTimer];
+}
+
+- (void)willRemoveLogger
+{
+    // If you override me be sure to invoke [super willRemoveLogger];
+    
+    [self performSaveAndSuspendSaveTimer];
+    
+    [self destroySaveTimer];
+    [self destroyDeleteTimer];
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    if ([self db_log:logMessage])
+    {
+        BOOL firstUnsavedEntry = (++unsavedCount == 1);
+        
+        if ((unsavedCount >= saveThreshold) && (saveThreshold > 0))
+        {
+            [self performSaveAndSuspendSaveTimer];
+        }
+        else if (firstUnsavedEntry)
+        {
+            unsavedTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+            [self updateAndResumeSaveTimer];
+        }
+    }
+}
+
+- (void)flush
+{
+    // This method is invoked by DDLog's flushLog method.
+    // 
+    // It is called automatically when the application quits,
+    // or if the developer invokes DDLog's flushLog method prior to crashing or something.
+    
+    [self performSaveAndSuspendSaveTimer];
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDAssert.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDAssert.h
new file mode 100644
index 0000000..4bad8e2
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDAssert.h
@@ -0,0 +1,16 @@
+//
+//  DDAssert.h
+//  CocoaLumberjack
+//
+//  Created by Ernesto Rivera on 2014/07/07.
+//
+//
+
+#import "DDLog.h"
+
+#define DDAssert(condition, frmt, ...) if (!(condition)) {                                                           \
+                                           NSString * description = [NSString stringWithFormat:frmt, ##__VA_ARGS__]; \
+                                           DDLogError(@"%@", description);                                           \
+                                           NSAssert(NO, description); }
+#define DDAssertCondition(condition) DDAssert(condition, @"Condition not satisfied: %s", #condition)
+
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDFileLogger.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.h
similarity index 51%
rename from Example/Pods/CocoaLumberjack/Classes/DDFileLogger.h
rename to Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.h
index f0bfdb6..b319c51 100644
--- a/Example/Pods/CocoaLumberjack/Classes/DDFileLogger.h
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.h
@@ -1,74 +1,63 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
+#import <Foundation/Foundation.h>
 #import "DDLog.h"
 
 @class DDLogFileInfo;
 
 /**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
  * This class provides a logger to write log statements to a file.
- **/
+**/
 
 
 // Default configuration and safety/sanity values.
-//
-// maximumFileSize         -> kDDDefaultLogMaxFileSize
-// rollingFrequency        -> kDDDefaultLogRollingFrequency
-// maximumNumberOfLogFiles -> kDDDefaultLogMaxNumLogFiles
-// logFilesDiskQuota       -> kDDDefaultLogFilesDiskQuota
-//
+// 
+// maximumFileSize         -> DEFAULT_LOG_MAX_FILE_SIZE
+// rollingFrequency        -> DEFAULT_LOG_ROLLING_FREQUENCY
+// maximumNumberOfLogFiles -> DEFAULT_LOG_MAX_NUM_LOG_FILES
+// logFilesDiskQuota       -> DEFAULT_LOG_FILES_DISK_QUOTA
+// 
 // You should carefully consider the proper configuration values for your application.
 
-extern unsigned long long const kDDDefaultLogMaxFileSize;
-extern NSTimeInterval     const kDDDefaultLogRollingFrequency;
-extern NSUInteger         const kDDDefaultLogMaxNumLogFiles;
-extern unsigned long long const kDDDefaultLogFilesDiskQuota;
+#define DEFAULT_LOG_MAX_FILE_SIZE     (1024 * 1024)      //  1 MB
+#define DEFAULT_LOG_ROLLING_FREQUENCY (60 * 60 * 24)     // 24 Hours
+#define DEFAULT_LOG_MAX_NUM_LOG_FILES (5)                //  5 Files
+#define DEFAULT_LOG_FILES_DISK_QUOTA  (20 * 1024 * 1024) // 20 MB
 
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-/**
- *  The LogFileManager protocol is designed to allow you to control all aspects of your log files.
- *
- *  The primary purpose of this is to allow you to do something with the log files after they have been rolled.
- *  Perhaps you want to compress them to save disk space.
- *  Perhaps you want to upload them to an FTP server.
- *  Perhaps you want to run some analytics on the file.
- *
- *  A default LogFileManager is, of course, provided.
- *  The default LogFileManager simply deletes old log files according to the maximumNumberOfLogFiles property.
- *
- *  This protocol provides various methods to fetch the list of log files.
- *
- *  There are two variants: sorted and unsorted.
- *  If sorting is not necessary, the unsorted variant is obviously faster.
- *  The sorted variant will return an array sorted by when the log files were created,
- *  with the most recently created log file at index 0, and the oldest log file at the end of the array.
- *
- *  You can fetch only the log file paths (full path including name), log file names (name only),
- *  or an array of `DDLogFileInfo` objects.
- *  The `DDLogFileInfo` class is documented below, and provides a handy wrapper that
- *  gives you easy access to various file attributes such as the creation date or the file size.
- */
+// The LogFileManager protocol is designed to allow you to control all aspects of your log files.
+// 
+// The primary purpose of this is to allow you to do something with the log files after they have been rolled.
+// Perhaps you want to compress them to save disk space.
+// Perhaps you want to upload them to an FTP server.
+// Perhaps you want to run some analytics on the file.
+// 
+// A default LogFileManager is, of course, provided.
+// The default LogFileManager simply deletes old log files according to the maximumNumberOfLogFiles property.
+// 
+// This protocol provides various methods to fetch the list of log files.
+// 
+// There are two variants: sorted and unsorted.
+// If sorting is not necessary, the unsorted variant is obviously faster.
+// The sorted variant will return an array sorted by when the log files were created,
+// with the most recently created log file at index 0, and the oldest log file at the end of the array.
+// 
+// You can fetch only the log file paths (full path including name), log file names (name only),
+// or an array of DDLogFileInfo objects.
+// The DDLogFileInfo class is documented below, and provides a handy wrapper that
+// gives you easy access to various file attributes such as the creation date or the file size.
+
 @protocol DDLogFileManager <NSObject>
 @required
 
@@ -79,9 +68,9 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
  * For example, if this property is set to 3,
  * then the LogFileManager will only keep 3 archived log files (plus the current active log file) on disk.
  * Once the active log file is rolled/archived, then the oldest of the existing 3 rolled/archived log files is deleted.
- *
+ * 
  * You may optionally disable this option by setting it to zero.
- **/
+**/
 @property (readwrite, assign, atomic) NSUInteger maximumNumberOfLogFiles;
 
 /**
@@ -89,75 +78,30 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
  * be deleted.
  *
  * You may optionally disable this option by setting it to zero.
- **/
+**/
 @property (readwrite, assign, atomic) unsigned long long logFilesDiskQuota;
 
 // Public methods
 
-/**
- *  Returns the logs directory (path)
- */
 - (NSString *)logsDirectory;
 
-/**
- * Returns an array of `NSString` objects,
- * each of which is the filePath to an existing log file on disk.
- **/
 - (NSArray *)unsortedLogFilePaths;
-
-/**
- * Returns an array of `NSString` objects,
- * each of which is the fileName of an existing log file on disk.
- **/
 - (NSArray *)unsortedLogFileNames;
-
-/**
- * Returns an array of `DDLogFileInfo` objects,
- * each representing an existing log file on disk,
- * and containing important information about the log file such as it's modification date and size.
- **/
 - (NSArray *)unsortedLogFileInfos;
 
-/**
- * Just like the `unsortedLogFilePaths` method, but sorts the array.
- * The items in the array are sorted by creation date.
- * The first item in the array will be the most recently created log file.
- **/
 - (NSArray *)sortedLogFilePaths;
-
-/**
- * Just like the `unsortedLogFileNames` method, but sorts the array.
- * The items in the array are sorted by creation date.
- * The first item in the array will be the most recently created log file.
- **/
 - (NSArray *)sortedLogFileNames;
-
-/**
- * Just like the `unsortedLogFileInfos` method, but sorts the array.
- * The items in the array are sorted by creation date.
- * The first item in the array will be the most recently created log file.
- **/
 - (NSArray *)sortedLogFileInfos;
 
 // Private methods (only to be used by DDFileLogger)
 
-/**
- * Generates a new unique log file path, and creates the corresponding log file.
- **/
 - (NSString *)createNewLogFile;
 
 @optional
 
 // Notifications from DDFileLogger
 
-/**
- *  Called when a log file was archieved
- */
 - (void)didArchiveLogFile:(NSString *)logFilePath;
-
-/**
- *  Called when the roll action was executed and the log was archieved
- */
 - (void)didRollAndArchiveLogFile:(NSString *)logFilePath;
 
 @end
@@ -168,29 +112,29 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 
 /**
  * Default log file manager.
- *
+ * 
  * All log files are placed inside the logsDirectory.
  * If a specific logsDirectory isn't specified, the default directory is used.
- * On Mac, this is in `~/Library/Logs/<Application Name>`.
- * On iPhone, this is in `~/Library/Caches/Logs`.
- *
- * Log files are named `"<bundle identifier> <date> <time>.log"`
- * Example: `com.organization.myapp 2013-12-03 17-14.log`
- *
- * Archived log files are automatically deleted according to the `maximumNumberOfLogFiles` property.
- **/
+ * On Mac, this is in ~/Library/Logs/<Application Name>.
+ * On iPhone, this is in ~/Library/Caches/Logs.
+ * 
+ * Log files are named "<bundle identifier> <date> <time>.log"
+ * Example: com.organization.myapp 2013-12-03 17-14.log
+ * 
+ * Archived log files are automatically deleted according to the maximumNumberOfLogFiles property.
+**/
 @interface DDLogFileManagerDefault : NSObject <DDLogFileManager>
+{
+    NSUInteger maximumNumberOfLogFiles;
+    unsigned long long logFilesDiskQuota;
+    NSString *_logsDirectory;
+#if TARGET_OS_IPHONE
+    NSString* _defaultFileProtectionLevel;
+#endif
+}
 
-/**
- *  Default initializer
- */
-- (instancetype)init;
-
-/**
- *  Designated initialized, requires the logs directory
- */
-- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory NS_DESIGNATED_INITIALIZER;
-
+- (id)init;
+- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory;
 #if TARGET_OS_IPHONE
 /*
  * Calling this constructor you can override the default "automagically" chosen NSFileProtection level.
@@ -203,67 +147,53 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
  *    null
  *    cy#
  **/
-- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory defaultFileProtectionLevel:(NSString *)fileProtectionLevel;
+- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory defaultFileProtectionLevel:(NSString*)fileProtectionLevel;
 #endif
 
 /*
  * Methods to override.
  *
- * Log files are named `"<bundle identifier> <date> <time>.log"`
- * Example: `com.organization.myapp 2013-12-03 17-14.log`
+ * Log files are named "<bundle identifier> <date> <time>.log"
+ * Example: com.organization.myapp 2013-12-03 17-14.log
  *
  * If you wish to change default filename, you can override following two methods.
- * - `newLogFileName` method would be called on new logfile creation.
- * - `isLogFile:` method would be called to filter logfiles from all other files in logsDirectory.
+ * - newLogFileName method would be called on new logfile creation.
+ * - isLogFile: method would be called to filter logfiles from all other files in logsDirectory.
  *   You have to parse given filename and return YES if it is logFile.
  *
  * **NOTE**
- * `newLogFileName` returns filename. If appropriate file already exists, number would be added
+ * newLogFileName returns filename. If appropriate file already exists, number would be added
  * to filename before extension. You have to handle this case in isLogFile: method.
  *
  * Example:
- * - newLogFileName returns `"com.organization.myapp 2013-12-03.log"`,
- *   file `"com.organization.myapp 2013-12-03.log"` would be created.
- * - after some time `"com.organization.myapp 2013-12-03.log"` is archived
- * - newLogFileName again returns `"com.organization.myapp 2013-12-03.log"`,
- *   file `"com.organization.myapp 2013-12-03 2.log"` would be created.
- * - after some time `"com.organization.myapp 2013-12-03 1.log"` is archived
- * - newLogFileName again returns `"com.organization.myapp 2013-12-03.log"`,
- *   file `"com.organization.myapp 2013-12-03 3.log"` would be created.
- **/
-
-/**
- * Generates log file name with default format `"<bundle identifier> <date> <time>.log"`
- * Example: `MobileSafari 2013-12-03 17-14.log`
- *
- * You can change it by overriding `newLogFileName` and `isLogFile:` methods.
- **/
-@property (readonly, copy) NSString *newLogFileName;
-
-/**
- * Default log file name is `"<bundle identifier> <date> <time>.log"`.
- * Example: `MobileSafari 2013-12-03 17-14.log`
- *
- * You can change it by overriding `newLogFileName` and `isLogFile:` methods.
- **/
+ * - newLogFileName returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03.log" would be created.
+ * - after some time "com.organization.myapp 2013-12-03.log" is archived
+ * - newLogFileName again returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03 2.log" would be created.
+ * - after some time "com.organization.myapp 2013-12-03 1.log" is archived
+ * - newLogFileName again returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03 3.log" would be created.
+**/
+- (NSString *)newLogFileName;
 - (BOOL)isLogFile:(NSString *)fileName;
 
 /* Inherited from DDLogFileManager protocol:
 
-   @property (readwrite, assign, atomic) NSUInteger maximumNumberOfLogFiles;
-   @property (readwrite, assign, atomic) NSUInteger logFilesDiskQuota;
+@property (readwrite, assign, atomic) NSUInteger maximumNumberOfLogFiles;
+@property (readwrite, assign, atomic) NSUInteger logFilesDiskQuota;
 
-   - (NSString *)logsDirectory;
+- (NSString *)logsDirectory;
 
-   - (NSArray *)unsortedLogFilePaths;
-   - (NSArray *)unsortedLogFileNames;
-   - (NSArray *)unsortedLogFileInfos;
+- (NSArray *)unsortedLogFilePaths;
+- (NSArray *)unsortedLogFileNames;
+- (NSArray *)unsortedLogFileInfos;
 
-   - (NSArray *)sortedLogFilePaths;
-   - (NSArray *)sortedLogFileNames;
-   - (NSArray *)sortedLogFileInfos;
+- (NSArray *)sortedLogFilePaths;
+- (NSArray *)sortedLogFileNames;
+- (NSArray *)sortedLogFileInfos;
 
- */
+*/
 
 @end
 
@@ -275,23 +205,19 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
  * Most users will want file log messages to be prepended with the date and time.
  * Rather than forcing the majority of users to write their own formatter,
  * we will supply a logical default formatter.
- * Users can easily replace this formatter with their own by invoking the `setLogFormatter:` method.
- * It can also be removed by calling `setLogFormatter:`, and passing a nil parameter.
- *
+ * Users can easily replace this formatter with their own by invoking the setLogFormatter method.
+ * It can also be removed by calling setLogFormatter, and passing a nil parameter.
+ * 
  * In addition to the convenience of having a logical default formatter,
  * it will also provide a template that makes it easy for developers to copy and change.
- **/
+**/
 @interface DDLogFileFormatterDefault : NSObject <DDLogFormatter>
+{
+    NSDateFormatter *dateFormatter;
+}
 
-/**
- *  Default initializer
- */
-- (instancetype)init;
-
-/**
- *  Designated initializer, requires a date formatter
- */
-- (instancetype)initWithDateFormatter:(NSDateFormatter *)dateFormatter NS_DESIGNATED_INITIALIZER;
+- (id)init;
+- (instancetype)initWithDateFormatter:(NSDateFormatter *)dateFormatter;
 
 @end
 
@@ -299,89 +225,81 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-/**
- *  The standard implementation for a file logger
- */
 @interface DDFileLogger : DDAbstractLogger <DDLogger>
+{
+    __strong id <DDLogFileManager> logFileManager;
+    
+    DDLogFileInfo *currentLogFileInfo;
+    NSFileHandle *currentLogFileHandle;
+    
+    dispatch_source_t currentLogFileVnode;
+    dispatch_source_t rollingTimer;
+    
+    unsigned long long maximumFileSize;
+    NSTimeInterval rollingFrequency;
+}
 
-/**
- *  Default initializer
- */
-- (instancetype)init;
-
-/**
- *  Designated initializer, requires a `DDLogFileManager` instance
- */
-- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)logFileManager NS_DESIGNATED_INITIALIZER;
+- (id)init;
+- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)logFileManager;
 
 /**
  * Log File Rolling:
- *
- * `maximumFileSize`:
+ * 
+ * maximumFileSize:
  *   The approximate maximum size to allow log files to grow.
  *   If a log file is larger than this value after a log statement is appended,
  *   then the log file is rolled.
- *
- * `rollingFrequency`
+ * 
+ * rollingFrequency
  *   How often to roll the log file.
- *   The frequency is given as an `NSTimeInterval`, which is a double that specifies the interval in seconds.
+ *   The frequency is given as an NSTimeInterval, which is a double that specifies the interval in seconds.
  *   Once the log file gets to be this old, it is rolled.
- *
- * Both the `maximumFileSize` and the `rollingFrequency` are used to manage rolling.
+ * 
+ * Both the maximumFileSize and the rollingFrequency are used to manage rolling.
  * Whichever occurs first will cause the log file to be rolled.
- *
+ * 
  * For example:
- * The `rollingFrequency` is 24 hours,
- * but the log file surpasses the `maximumFileSize` after only 20 hours.
+ * The rollingFrequency is 24 hours,
+ * but the log file surpasses the maximumFileSize after only 20 hours.
  * The log file will be rolled at that 20 hour mark.
  * A new log file will be created, and the 24 hour timer will be restarted.
- *
- * You may optionally disable rolling due to filesize by setting `maximumFileSize` to zero.
- * If you do so, rolling is based solely on `rollingFrequency`.
- *
- * You may optionally disable rolling due to time by setting `rollingFrequency` to zero (or any non-positive number).
- * If you do so, rolling is based solely on `maximumFileSize`.
- *
- * If you disable both `maximumFileSize` and `rollingFrequency`, then the log file won't ever be rolled.
+ * 
+ * You may optionally disable rolling due to filesize by setting maximumFileSize to zero.
+ * If you do so, rolling is based solely on rollingFrequency.
+ * 
+ * You may optionally disable rolling due to time by setting rollingFrequency to zero (or any non-positive number).
+ * If you do so, rolling is based solely on maximumFileSize.
+ * 
+ * If you disable both maximumFileSize and rollingFrequency, then the log file won't ever be rolled.
  * This is strongly discouraged.
- **/
+**/
 @property (readwrite, assign) unsigned long long maximumFileSize;
-
-/**
- *  See description for `maximumFileSize`
- */
 @property (readwrite, assign) NSTimeInterval rollingFrequency;
-
-/**
- *  See description for `maximumFileSize`
- */
 @property (readwrite, assign, atomic) BOOL doNotReuseLogFiles;
 
 /**
  * The DDLogFileManager instance can be used to retrieve the list of log files,
  * and configure the maximum number of archived log files to keep.
- *
+ * 
  * @see DDLogFileManager.maximumNumberOfLogFiles
- **/
+**/
 @property (strong, nonatomic, readonly) id <DDLogFileManager> logFileManager;
 
 /**
- * When using a custom formatter you can set the `logMessage` method not to append
- * `\n` character after each output. This allows for some greater flexibility with
+ * When using a custom formatter you can set the logMessage method not to append
+ * '\n' character after each output. This allows for some greater flexibility with
  * custom formatters. Default value is YES.
- **/
-@property (nonatomic, readwrite, assign) BOOL automaticallyAppendNewlineForCustomFormatters;
+**/
+ 
+@property (readwrite, assign) BOOL automaticallyAppendNewlineForCustomFormatters;
+
+// You can optionally force the current log file to be rolled with this method.
+// CompletionBlock will be called on main queue.
 
-/**
- *  You can optionally force the current log file to be rolled with this method.
- *  CompletionBlock will be called on main queue.
- */
 - (void)rollLogFileWithCompletionBlock:(void (^)())completionBlock;
 
-/**
- *  Method is deprecated.
- *  @deprecated Use `rollLogFileWithCompletionBlock:` method instead.
- */
+// Method is deprecated. Use rollLogFileWithCompletionBlock: method instead.
+
 - (void)rollLogFile __attribute((deprecated));
 
 // Inherited from DDAbstractLogger
@@ -389,15 +307,6 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 // - (id <DDLogFormatter>)logFormatter;
 // - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
 
-/**
- * Returns the log file that should be used.
- * If there is an existing log file that is suitable,
- * within the constraints of `maximumFileSize` and `rollingFrequency`, then it is returned.
- *
- * Otherwise a new file is created and returned.
- **/
-- (DDLogFileInfo *)currentLogFileInfo;
-
 @end
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -405,20 +314,31 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 /**
- * `DDLogFileInfo` is a simple class that provides access to various file attributes.
+ * DDLogFileInfo is a simple class that provides access to various file attributes.
  * It provides good performance as it only fetches the information if requested,
  * and it caches the information to prevent duplicate fetches.
- *
+ * 
  * It was designed to provide quick snapshots of the current state of log files,
  * and to help sort log files in an array.
- *
+ * 
  * This class does not monitor the files, or update it's cached attribute values if the file changes on disk.
  * This is not what the class was designed for.
- *
+ * 
  * If you absolutely must get updated values,
  * you can invoke the reset method which will clear the cache.
- **/
+**/
 @interface DDLogFileInfo : NSObject
+{
+    __strong NSString *filePath;
+    __strong NSString *fileName;
+    
+    __strong NSDictionary *fileAttributes;
+    
+    __strong NSDate *creationDate;
+    __strong NSDate *modificationDate;
+    
+    unsigned long long fileSize;
+}
 
 @property (strong, nonatomic, readonly) NSString *filePath;
 @property (strong, nonatomic, readonly) NSString *fileName;
@@ -436,8 +356,7 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 
 + (instancetype)logFileWithPath:(NSString *)filePath;
 
-- (instancetype)init NS_UNAVAILABLE;
-- (instancetype)initWithFilePath:(NSString *)filePath NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithFilePath:(NSString *)filePath;
 
 - (void)reset;
 - (void)renameFile:(NSString *)newFileName;
@@ -447,19 +366,19 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 // So here's the situation.
 // Extended attributes are perfect for what we're trying to do here (marking files as archived).
 // This is exactly what extended attributes were designed for.
-//
+// 
 // But Apple screws us over on the simulator.
 // Everytime you build-and-go, they copy the application into a new folder on the hard drive,
 // and as part of the process they strip extended attributes from our log files.
 // Normally, a copy of a file preserves extended attributes.
 // So obviously Apple has gone to great lengths to piss us off.
-//
+// 
 // Thus we use a slightly different tactic for marking log files as archived in the simulator.
 // That way it "just works" and there's no confusion when testing.
-//
+// 
 // The difference in method names is indicative of the difference in functionality.
 // On the simulator we add an attribute by appending a filename extension.
-//
+// 
 // For example:
 // "mylog.txt" -> "mylog.archived.txt"
 // "mylog"     -> "mylog.archived"
@@ -469,7 +388,7 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 - (void)addExtensionAttributeWithName:(NSString *)attrName;
 - (void)removeExtensionAttributeWithName:(NSString *)attrName;
 
-#else /* if TARGET_IPHONE_SIMULATOR */
+#else
 
 // Normal use of extended attributes used everywhere else,
 // such as on Macs and on iPhone devices.
@@ -479,7 +398,7 @@ extern unsigned long long const kDDDefaultLogFilesDiskQuota;
 - (void)addExtendedAttributeWithName:(NSString *)attrName;
 - (void)removeExtendedAttributeWithName:(NSString *)attrName;
 
-#endif /* if TARGET_IPHONE_SIMULATOR */
+#endif
 
 - (NSComparisonResult)reverseCompareByCreationDate:(DDLogFileInfo *)another;
 - (NSComparisonResult)reverseCompareByModificationDate:(DDLogFileInfo *)another;
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDFileLogger.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.m
similarity index 65%
rename from Example/Pods/CocoaLumberjack/Classes/DDFileLogger.m
rename to Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.m
index 1b78578..1b44093 100644
--- a/Example/Pods/CocoaLumberjack/Classes/DDFileLogger.m
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDFileLogger.m
@@ -1,18 +1,3 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
 #import "DDFileLogger.h"
 
 #import <unistd.h>
@@ -20,102 +5,94 @@
 #import <sys/xattr.h>
 #import <libkern/OSAtomic.h>
 
-#if !__has_feature(objc_arc)
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
 #error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
 // We probably shouldn't be using DDLog() statements within the DDLog implementation.
 // But we still want to leave our log statements for any future debugging,
 // and to allow other developers to trace the implementation (which is a great learning tool).
-//
+// 
 // So we use primitive logging macros around NSLog.
 // We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
 
-#ifndef DD_NSLOG_LEVEL
-    #define DD_NSLOG_LEVEL 2
-#endif
+#define LOG_LEVEL 2
 
-#define NSLogError(frmt, ...)    do{ if(DD_NSLOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogWarn(frmt, ...)     do{ if(DD_NSLOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogInfo(frmt, ...)     do{ if(DD_NSLOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogDebug(frmt, ...)    do{ if(DD_NSLOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
-#define NSLogVerbose(frmt, ...)  do{ if(DD_NSLOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogError(frmt, ...)    do{ if(LOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogWarn(frmt, ...)     do{ if(LOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogInfo(frmt, ...)     do{ if(LOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogDebug(frmt, ...)    do{ if(LOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogVerbose(frmt, ...)  do{ if(LOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
 
-
-#if TARGET_OS_IPHONE
-BOOL doesAppRunInBackground(void);
-#endif
-
-unsigned long long const kDDDefaultLogMaxFileSize      = 1024 * 1024;      // 1 MB
-NSTimeInterval     const kDDDefaultLogRollingFrequency = 60 * 60 * 24;     // 24 Hours
-NSUInteger         const kDDDefaultLogMaxNumLogFiles   = 5;                // 5 Files
-unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20 MB
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark -
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-
-@interface DDLogFileManagerDefault () {
-    NSUInteger _maximumNumberOfLogFiles;
-    unsigned long long _logFilesDiskQuota;
-    NSString *_logsDirectory;
-#if TARGET_OS_IPHONE
-    NSString *_defaultFileProtectionLevel;
-#endif
-}
+@interface DDLogFileManagerDefault (PrivateAPI)
 
 - (void)deleteOldLogFiles;
 - (NSString *)defaultLogsDirectory;
 
 @end
 
+@interface DDFileLogger (PrivateAPI)
+
+- (void)rollLogFileNow;
+- (void)maybeRollLogFileDueToAge;
+- (void)maybeRollLogFileDueToSize;
+
+@end
+
+#if TARGET_OS_IPHONE
+BOOL doesAppRunInBackground(void);
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 @implementation DDLogFileManagerDefault
 
-@synthesize maximumNumberOfLogFiles = _maximumNumberOfLogFiles;
-@synthesize logFilesDiskQuota = _logFilesDiskQuota;
+@synthesize maximumNumberOfLogFiles;
+@synthesize logFilesDiskQuota;
 
 
-- (instancetype)init {
+- (id)init
+{
     return [self initWithLogsDirectory:nil];
 }
 
-- (instancetype)initWithLogsDirectory:(NSString *)aLogsDirectory {
-    if ((self = [super init])) {
-        _maximumNumberOfLogFiles = kDDDefaultLogMaxNumLogFiles;
-        _logFilesDiskQuota = kDDDefaultLogFilesDiskQuota;
-
-        if (aLogsDirectory) {
+- (instancetype)initWithLogsDirectory:(NSString *)aLogsDirectory
+{
+    if ((self = [super init]))
+    {
+        maximumNumberOfLogFiles = DEFAULT_LOG_MAX_NUM_LOG_FILES;
+        logFilesDiskQuota = DEFAULT_LOG_FILES_DISK_QUOTA;
+        
+        if (aLogsDirectory)
             _logsDirectory = [aLogsDirectory copy];
-        } else {
+        else
             _logsDirectory = [[self defaultLogsDirectory] copy];
-        }
-
+        
         NSKeyValueObservingOptions kvoOptions = NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew;
-
+        
         [self addObserver:self forKeyPath:NSStringFromSelector(@selector(maximumNumberOfLogFiles)) options:kvoOptions context:nil];
         [self addObserver:self forKeyPath:NSStringFromSelector(@selector(logFilesDiskQuota)) options:kvoOptions context:nil];
-
+        
         NSLogVerbose(@"DDFileLogManagerDefault: logsDirectory:\n%@", [self logsDirectory]);
         NSLogVerbose(@"DDFileLogManagerDefault: sortedLogFileNames:\n%@", [self sortedLogFileNames]);
     }
-
     return self;
 }
 
-+ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)theKey
-{
-    BOOL automatic = NO;
-    if ([theKey isEqualToString:@"maximumNumberOfLogFiles"] || [theKey isEqualToString:@"logFilesDiskQuota"]) {
-        automatic = NO;
-    } else {
-        automatic = [super automaticallyNotifiesObserversForKey:theKey];
-    }
-    
-    return automatic;
-}
-
 #if TARGET_OS_IPHONE
-- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory defaultFileProtectionLevel:(NSString *)fileProtectionLevel {
+- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory defaultFileProtectionLevel:(NSString*)fileProtectionLevel {
     if ((self = [self initWithLogsDirectory:logsDirectory])) {
         if ([fileProtectionLevel isEqualToString:NSFileProtectionNone] ||
             [fileProtectionLevel isEqualToString:NSFileProtectionComplete] ||
@@ -124,18 +101,19 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
             _defaultFileProtectionLevel = fileProtectionLevel;
         }
     }
-
     return self;
 }
-
 #endif
 
-- (void)dealloc {
+- (void)dealloc
+{
     // try-catch because the observer might be removed or never added. In this case, removeObserver throws and exception
     @try {
         [self removeObserver:self forKeyPath:NSStringFromSelector(@selector(maximumNumberOfLogFiles))];
         [self removeObserver:self forKeyPath:NSStringFromSelector(@selector(logFilesDiskQuota))];
-    } @catch (NSException *exception) {
+    }
+    @catch (NSException *exception) {
+        
     }
 }
 
@@ -146,22 +124,26 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 - (void)observeValueForKeyPath:(NSString *)keyPath
                       ofObject:(id)object
                         change:(NSDictionary *)change
-                       context:(void *)context {
-    NSNumber *old = change[NSKeyValueChangeOldKey];
-    NSNumber *new = change[NSKeyValueChangeNewKey];
-
-    if ([old isEqual:new]) {
+                       context:(void *)context
+{
+    NSNumber *old = [change objectForKey:NSKeyValueChangeOldKey];
+    NSNumber *new = [change objectForKey:NSKeyValueChangeNewKey];
+    
+    if ([old isEqual:new])
+    {
         // No change in value - don't bother with any processing.
         return;
     }
-
+    
     if ([keyPath isEqualToString:NSStringFromSelector(@selector(maximumNumberOfLogFiles))] ||
-        [keyPath isEqualToString:NSStringFromSelector(@selector(logFilesDiskQuota))]) {
+        [keyPath isEqualToString:NSStringFromSelector(@selector(logFilesDiskQuota))])
+    {
         NSLogInfo(@"DDFileLogManagerDefault: Responding to configuration change: %@", keyPath);
-
+        
         dispatch_async([DDLog loggingQueue], ^{ @autoreleasepool {
-                                                    [self deleteOldLogFiles];
-                                                } });
+            
+            [self deleteOldLogFiles];
+        }});
     }
 }
 
@@ -171,10 +153,11 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 
 /**
  * Deletes archived log files that exceed the maximumNumberOfLogFiles or logFilesDiskQuota configuration values.
- **/
-- (void)deleteOldLogFiles {
+**/
+- (void)deleteOldLogFiles
+{
     NSLogVerbose(@"DDLogFileManagerDefault: deleteOldLogFiles");
-
+    
     NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
 
     NSUInteger firstIndexToDelete = NSNotFound;
@@ -182,24 +165,31 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
     const unsigned long long diskQuota = self.logFilesDiskQuota;
     const NSUInteger maxNumLogFiles = self.maximumNumberOfLogFiles;
 
-    if (diskQuota) {
+    if (diskQuota)
+    {
         unsigned long long used = 0;
 
-        for (NSUInteger i = 0; i < sortedLogFileInfos.count; i++) {
+        for (NSUInteger i = 0; i < sortedLogFileInfos.count; i++)
+        {
             DDLogFileInfo *info = sortedLogFileInfos[i];
             used += info.fileSize;
 
-            if (used > diskQuota) {
+            if (used > diskQuota)
+            {
                 firstIndexToDelete = i;
                 break;
             }
         }
     }
 
-    if (maxNumLogFiles) {
-        if (firstIndexToDelete == NSNotFound) {
+    if (maxNumLogFiles)
+    {
+        if (firstIndexToDelete == NSNotFound)
+        {
             firstIndexToDelete = maxNumLogFiles;
-        } else {
+        }
+        else
+        {
             firstIndexToDelete = MIN(firstIndexToDelete, maxNumLogFiles);
         }
     }
@@ -210,20 +200,24 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
         // In most cases, the first file is likely the log file that is currently being written to.
         // So in most cases, we do not want to consider this file for deletion.
 
-        if (sortedLogFileInfos.count > 0) {
-            DDLogFileInfo *logFileInfo = sortedLogFileInfos[0];
+        if (sortedLogFileInfos.count > 0)
+        {
+            DDLogFileInfo *logFileInfo = [sortedLogFileInfos objectAtIndex:0];
 
-            if (!logFileInfo.isArchived) {
+            if (! logFileInfo.isArchived)
+            {
                 // Don't delete active file.
                 ++firstIndexToDelete;
             }
         }
     }
 
-    if (firstIndexToDelete != NSNotFound) {
+    if (firstIndexToDelete != NSNotFound)
+    {
         // removing all logfiles starting with firstIndexToDelete
 
-        for (NSUInteger i = firstIndexToDelete; i < sortedLogFileInfos.count; i++) {
+        for (NSUInteger i = firstIndexToDelete; i < sortedLogFileInfos.count; i++)
+        {
             DDLogFileInfo *logFileInfo = sortedLogFileInfos[i];
 
             NSLogInfo(@"DDLogFileManagerDefault: Deleting file: %@", logFileInfo.fileName);
@@ -240,17 +234,18 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 /**
  * Returns the path to the default logs directory.
  * If the logs directory doesn't exist, this method automatically creates it.
- **/
-- (NSString *)defaultLogsDirectory {
+**/
+- (NSString *)defaultLogsDirectory
+{
 #if TARGET_OS_IPHONE
     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
-    NSString *baseDir = paths.firstObject;
+    NSString *baseDir = ([paths count] > 0) ? [paths objectAtIndex:0] : nil;
     NSString *logsDirectory = [baseDir stringByAppendingPathComponent:@"Logs"];
-
+    
 #else
     NSString *appName = [[NSProcessInfo processInfo] processName];
     NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
-    NSString *basePath = ([paths count] > 0) ? paths[0] : NSTemporaryDirectory();
+    NSString *basePath = ([paths count] > 0) ? [paths objectAtIndex:0] : NSTemporaryDirectory();
     NSString *logsDirectory = [[basePath stringByAppendingPathComponent:@"Logs"] stringByAppendingPathComponent:appName];
 
 #endif
@@ -258,36 +253,45 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
     return logsDirectory;
 }
 
-- (NSString *)logsDirectory {
+- (NSString *)logsDirectory
+{
     // We could do this check once, during initalization, and not bother again.
     // But this way the code continues to work if the directory gets deleted while the code is running.
-
-    if (![[NSFileManager defaultManager] fileExistsAtPath:_logsDirectory]) {
+    
+    if (![[NSFileManager defaultManager] fileExistsAtPath:_logsDirectory])
+    {
         NSError *err = nil;
-
         if (![[NSFileManager defaultManager] createDirectoryAtPath:_logsDirectory
-                                       withIntermediateDirectories:YES
-                                                        attributes:nil
-                                                             error:&err]) {
+                                       withIntermediateDirectories:YES attributes:nil error:&err])
+        {
             NSLogError(@"DDFileLogManagerDefault: Error creating logsDirectory: %@", err);
         }
     }
-
+    
     return _logsDirectory;
 }
 
-- (BOOL)isLogFile:(NSString *)fileName {
+/**
+ * Default log file name is "<bundle identifier> <date> <time>.log".
+ * Example: MobileSafari 2013-12-03 17-14.log
+ *
+ * You can change it by overriding newLogFileName and isLogFile: methods.
+**/
+- (BOOL)isLogFile:(NSString *)fileName
+{
     NSString *appName = [self applicationName];
 
     BOOL hasProperPrefix = [fileName hasPrefix:appName];
     BOOL hasProperSuffix = [fileName hasSuffix:@".log"];
     BOOL hasProperDate = NO;
 
-    if (hasProperPrefix && hasProperSuffix) {
+    if (hasProperPrefix && hasProperSuffix)
+    {
         NSUInteger lengthOfMiddle = fileName.length - appName.length - @".log".length;
 
         // Date string should have at least 16 characters - " 2013-12-03 17-14"
-        if (lengthOfMiddle >= 17) {
+        if (lengthOfMiddle >= 17)
+        {
             NSRange range = NSMakeRange(appName.length, lengthOfMiddle);
 
             NSString *middle = [fileName substringWithRange:range];
@@ -300,13 +304,15 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
             //     "", "2013-12-03", "17-14"
             // or
             //     "", "2013-12-03", "17-14", "1"
-            if (components.count == 3 || components.count == 4) {
+            if (components.count == 3 || components.count == 4)
+            {
                 NSString *dateString = [NSString stringWithFormat:@"%@ %@", components[1], components[2]];
                 NSDateFormatter *dateFormatter = [self logFileDateFormatter];
 
                 NSDate *date = [dateFormatter dateFromString:dateString];
 
-                if (date) {
+                if (date)
+                {
                     hasProperDate = YES;
                 }
             }
@@ -316,33 +322,39 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
     return (hasProperPrefix && hasProperDate && hasProperSuffix);
 }
 
-- (NSDateFormatter *)logFileDateFormatter {
+- (NSDateFormatter *)logFileDateFormatter
+{
     NSMutableDictionary *dictionary = [[NSThread currentThread]
                                        threadDictionary];
     NSString *dateFormat = @"yyyy'-'MM'-'dd' 'HH'-'mm'";
     NSString *key = [NSString stringWithFormat:@"logFileDateFormatter.%@", dateFormat];
-    NSDateFormatter *dateFormatter = dictionary[key];
-
+    NSDateFormatter *dateFormatter = [dictionary objectForKey:key];
     if (dateFormatter == nil) {
         dateFormatter = [[NSDateFormatter alloc] init];
-        [dateFormatter setLocale:[NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"]];
         [dateFormatter setDateFormat:dateFormat];
         [dateFormatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
-        dictionary[key] = dateFormatter;
+        [dictionary setObject:dateFormatter
+                       forKey:key];
     }
-
+    
     return dateFormatter;
 }
 
-- (NSArray *)unsortedLogFilePaths {
+/**
+ * Returns an array of NSString objects,
+ * each of which is the filePath to an existing log file on disk.
+**/
+- (NSArray *)unsortedLogFilePaths
+{
     NSString *logsDirectory = [self logsDirectory];
     NSArray *fileNames = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:logsDirectory error:nil];
-
+    
     NSMutableArray *unsortedLogFilePaths = [NSMutableArray arrayWithCapacity:[fileNames count]];
-
-    for (NSString *fileName in fileNames) {
+    
+    for (NSString *fileName in fileNames)
+    {
         // Filter out any files that aren't log files. (Just for extra safety)
-
+        
     #if TARGET_IPHONE_SIMULATOR
         // In case of iPhone simulator there can be 'archived' extension. isLogFile:
         // method knows nothing about it. Thus removing it for this method.
@@ -353,70 +365,102 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 
         if ([self isLogFile:theFileName])
     #else
-
         if ([self isLogFile:fileName])
     #endif
         {
             NSString *filePath = [logsDirectory stringByAppendingPathComponent:fileName];
-
+            
             [unsortedLogFilePaths addObject:filePath];
         }
     }
-
+    
     return unsortedLogFilePaths;
 }
 
-- (NSArray *)unsortedLogFileNames {
+/**
+ * Returns an array of NSString objects,
+ * each of which is the fileName of an existing log file on disk.
+**/
+- (NSArray *)unsortedLogFileNames
+{
     NSArray *unsortedLogFilePaths = [self unsortedLogFilePaths];
-
+    
     NSMutableArray *unsortedLogFileNames = [NSMutableArray arrayWithCapacity:[unsortedLogFilePaths count]];
-
-    for (NSString *filePath in unsortedLogFilePaths) {
+    
+    for (NSString *filePath in unsortedLogFilePaths)
+    {
         [unsortedLogFileNames addObject:[filePath lastPathComponent]];
     }
-
+    
     return unsortedLogFileNames;
 }
 
-- (NSArray *)unsortedLogFileInfos {
+/**
+ * Returns an array of DDLogFileInfo objects,
+ * each representing an existing log file on disk,
+ * and containing important information about the log file such as it's modification date and size.
+**/
+- (NSArray *)unsortedLogFileInfos
+{
     NSArray *unsortedLogFilePaths = [self unsortedLogFilePaths];
-
+    
     NSMutableArray *unsortedLogFileInfos = [NSMutableArray arrayWithCapacity:[unsortedLogFilePaths count]];
-
-    for (NSString *filePath in unsortedLogFilePaths) {
+    
+    for (NSString *filePath in unsortedLogFilePaths)
+    {
         DDLogFileInfo *logFileInfo = [[DDLogFileInfo alloc] initWithFilePath:filePath];
-
+        
         [unsortedLogFileInfos addObject:logFileInfo];
     }
-
+    
     return unsortedLogFileInfos;
 }
 
-- (NSArray *)sortedLogFilePaths {
+/**
+ * Just like the unsortedLogFilePaths method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFilePaths
+{
     NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
-
+    
     NSMutableArray *sortedLogFilePaths = [NSMutableArray arrayWithCapacity:[sortedLogFileInfos count]];
-
-    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos) {
+    
+    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos)
+    {
         [sortedLogFilePaths addObject:[logFileInfo filePath]];
     }
-
+    
     return sortedLogFilePaths;
 }
 
-- (NSArray *)sortedLogFileNames {
+/**
+ * Just like the unsortedLogFileNames method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFileNames
+{
     NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
-
+    
     NSMutableArray *sortedLogFileNames = [NSMutableArray arrayWithCapacity:[sortedLogFileInfos count]];
-
-    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos) {
+    
+    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos)
+    {
         [sortedLogFileNames addObject:[logFileInfo fileName]];
     }
-
+    
     return sortedLogFileNames;
 }
 
-- (NSArray *)sortedLogFileInfos {
+/**
+ * Just like the unsortedLogFileInfos method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFileInfos
+{
     return [[self unsortedLogFileInfos] sortedArrayUsingSelector:@selector(reverseCompareByCreationDate:)];
 }
 
@@ -424,7 +468,14 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 #pragma mark Creation
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (NSString *)newLogFileName {
+/**
+ * Generates log file name with default format "<bundle identifier> <date> <time>.log"
+ * Example: MobileSafari 2013-12-03 17-14.log
+ *
+ * You can change it by overriding newLogFileName and isLogFile: methods.
+**/
+- (NSString *)newLogFileName
+{
     NSString *appName = [self applicationName];
 
     NSDateFormatter *dateFormatter = [self logFileDateFormatter];
@@ -433,13 +484,17 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
     return [NSString stringWithFormat:@"%@ %@.log", appName, formattedDate];
 }
 
-- (NSString *)createNewLogFile {
+/**
+ * Generates a new unique log file path, and creates the corresponding log file.
+**/
+- (NSString *)createNewLogFile
+{
     NSString *fileName = [self newLogFileName];
     NSString *logsDirectory = [self logsDirectory];
 
     NSUInteger attempt = 1;
-
-    do {
+    do
+    {
         NSString *actualFileName = fileName;
 
         if (attempt > 1) {
@@ -447,7 +502,6 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 
             actualFileName = [actualFileName stringByDeletingPathExtension];
             actualFileName = [actualFileName stringByAppendingFormat:@" %lu", (unsigned long)attempt];
-
             if (extension.length) {
                 actualFileName = [actualFileName stringByAppendingPathExtension:extension];
             }
@@ -455,54 +509,57 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 
         NSString *filePath = [logsDirectory stringByAppendingPathComponent:actualFileName];
 
-        if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
+        if (![[NSFileManager defaultManager] fileExistsAtPath:filePath])
+        {
             NSLogVerbose(@"DDLogFileManagerDefault: Creating new log file: %@", actualFileName);
 
             NSDictionary *attributes = nil;
 
         #if TARGET_OS_IPHONE
-            // When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
-            //
-            // But in case if app is able to launch from background we need to have an ability to open log file any time we
-            // want (even if device is locked). Thats why that attribute have to be changed to
-            // NSFileProtectionCompleteUntilFirstUserAuthentication.
+             // When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
+             // 
+             // But in case if app is able to launch from background we need to have an ability to open log file any time we
+             // want (even if device is locked). Thats why that attribute have to be changed to
+             // NSFileProtectionCompleteUntilFirstUserAuthentication.
 
             NSString *key = _defaultFileProtectionLevel ? :
-                (doesAppRunInBackground() ? NSFileProtectionCompleteUntilFirstUserAuthentication : NSFileProtectionCompleteUnlessOpen);
+                            (doesAppRunInBackground() ? NSFileProtectionCompleteUntilFirstUserAuthentication : NSFileProtectionCompleteUnlessOpen);
 
-            attributes = @{
-                NSFileProtectionKey: key
-            };
+            attributes = @{ NSFileProtectionKey : key };
         #endif
-
+            
             [[NSFileManager defaultManager] createFileAtPath:filePath contents:nil attributes:attributes];
-
+            
             // Since we just created a new log file, we may need to delete some old log files
             [self deleteOldLogFiles];
-
+            
             return filePath;
         } else {
             attempt++;
         }
-    } while (YES);
+        
+    } while(YES);
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Utility
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (NSString *)applicationName {
+- (NSString *)applicationName
+{
     static NSString *_appName;
     static dispatch_once_t onceToken;
 
     dispatch_once(&onceToken, ^{
         _appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIdentifier"];
 
-        if (!_appName) {
+        if (! _appName)
+        {
             _appName = [[NSProcessInfo processInfo] processName];
         }
 
-        if (!_appName) {
+        if (! _appName)
+        {
             _appName = @"";
         }
     });
@@ -516,36 +573,36 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-@interface DDLogFileFormatterDefault () {
-    NSDateFormatter *_dateFormatter;
-}
-
-@end
-
 @implementation DDLogFileFormatterDefault
 
-- (instancetype)init {
+- (id)init
+{
     return [self initWithDateFormatter:nil];
 }
 
-- (instancetype)initWithDateFormatter:(NSDateFormatter *)aDateFormatter {
-    if ((self = [super init])) {
-        if (aDateFormatter) {
-            _dateFormatter = aDateFormatter;
-        } else {
-            _dateFormatter = [[NSDateFormatter alloc] init];
-            [_dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4]; // 10.4+ style
-            [_dateFormatter setDateFormat:@"yyyy/MM/dd HH:mm:ss:SSS"];
+- (instancetype)initWithDateFormatter:(NSDateFormatter *)aDateFormatter
+{
+    if ((self = [super init]))
+    {
+        if (aDateFormatter)
+        {
+            dateFormatter = aDateFormatter;
+        }
+        else
+        {
+            dateFormatter = [[NSDateFormatter alloc] init];
+            [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4]; // 10.4+ style
+            [dateFormatter setDateFormat:@"yyyy/MM/dd HH:mm:ss:SSS"];
         }
     }
-
     return self;
 }
 
-- (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
-    NSString *dateAndTime = [_dateFormatter stringFromDate:(logMessage->_timestamp)];
-
-    return [NSString stringWithFormat:@"%@  %@", dateAndTime, logMessage->_message];
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    NSString *dateAndTime = [dateFormatter stringFromDate:(logMessage->timestamp)];
+    
+    return [NSString stringWithFormat:@"%@  %@", dateAndTime, logMessage->logMsg];
 }
 
 @end
@@ -554,59 +611,44 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-@interface DDFileLogger () {
-    __strong id <DDLogFileManager> _logFileManager;
-    
-    DDLogFileInfo *_currentLogFileInfo;
-    NSFileHandle *_currentLogFileHandle;
-    
-    dispatch_source_t _currentLogFileVnode;
-    dispatch_source_t _rollingTimer;
-    
-    unsigned long long _maximumFileSize;
-    NSTimeInterval _rollingFrequency;
-}
-
-- (void)rollLogFileNow;
-- (void)maybeRollLogFileDueToAge;
-- (void)maybeRollLogFileDueToSize;
-
-@end
-
 @implementation DDFileLogger
 
-- (instancetype)init {
+- (id)init
+{
     DDLogFileManagerDefault *defaultLogFileManager = [[DDLogFileManagerDefault alloc] init];
-
+    
     return [self initWithLogFileManager:defaultLogFileManager];
 }
 
-- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)aLogFileManager {
-    if ((self = [super init])) {
-        _maximumFileSize = kDDDefaultLogMaxFileSize;
-        _rollingFrequency = kDDDefaultLogRollingFrequency;
+- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)aLogFileManager
+{
+    if ((self = [super init]))
+    {
+        maximumFileSize = DEFAULT_LOG_MAX_FILE_SIZE;
+        rollingFrequency = DEFAULT_LOG_ROLLING_FREQUENCY;
         _automaticallyAppendNewlineForCustomFormatters = YES;
-
+        
         logFileManager = aLogFileManager;
-
-        self.logFormatter = [DDLogFileFormatterDefault new];
+        
+        formatter = [[DDLogFileFormatterDefault alloc] init];
     }
-
     return self;
 }
 
-- (void)dealloc {
-    [_currentLogFileHandle synchronizeFile];
-    [_currentLogFileHandle closeFile];
+- (void)dealloc
+{
+    [currentLogFileHandle synchronizeFile];
+    [currentLogFileHandle closeFile];
 
-    if (_currentLogFileVnode) {
-        dispatch_source_cancel(_currentLogFileVnode);
-        _currentLogFileVnode = NULL;
+    if (currentLogFileVnode) {
+        dispatch_source_cancel(currentLogFileVnode);
+        currentLogFileVnode = NULL;
     }
 
-    if (_rollingTimer) {
-        dispatch_source_cancel(_rollingTimer);
-        _rollingTimer = NULL;
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
     }
 }
 
@@ -616,117 +658,120 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 
 @synthesize logFileManager;
 
-- (unsigned long long)maximumFileSize {
+- (unsigned long long)maximumFileSize
+{
     __block unsigned long long result;
-
+    
     dispatch_block_t block = ^{
-        result = _maximumFileSize;
+        result = maximumFileSize;
     };
-
+    
     // The design of this method is taken from the DDAbstractLogger implementation.
     // For extensive documentation please refer to the DDAbstractLogger implementation.
-
+    
     // Note: The internal implementation MUST access the maximumFileSize variable directly,
     // This method is designed explicitly for external access.
     //
     // Using "self." syntax to go through this method will cause immediate deadlock.
     // This is the intended result. Fix it by accessing the ivar directly.
     // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, block);
+        dispatch_sync(loggerQueue, block);
     });
-
+    
     return result;
 }
 
-- (void)setMaximumFileSize:(unsigned long long)newMaximumFileSize {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            _maximumFileSize = newMaximumFileSize;
-            [self maybeRollLogFileDueToSize];
-        }
-    };
-
+- (void)setMaximumFileSize:(unsigned long long)newMaximumFileSize
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        maximumFileSize = newMaximumFileSize;
+        [self maybeRollLogFileDueToSize];
+        
+    }};
+    
     // The design of this method is taken from the DDAbstractLogger implementation.
     // For extensive documentation please refer to the DDAbstractLogger implementation.
-
+    
     // Note: The internal implementation MUST access the maximumFileSize variable directly,
     // This method is designed explicitly for external access.
     //
     // Using "self." syntax to go through this method will cause immediate deadlock.
     // This is the intended result. Fix it by accessing the ivar directly.
     // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     dispatch_async(globalLoggingQueue, ^{
-        dispatch_async(self.loggerQueue, block);
+        dispatch_async(loggerQueue, block);
     });
 }
 
-- (NSTimeInterval)rollingFrequency {
+- (NSTimeInterval)rollingFrequency
+{
     __block NSTimeInterval result;
-
+    
     dispatch_block_t block = ^{
-        result = _rollingFrequency;
+        result = rollingFrequency;
     };
-
+    
     // The design of this method is taken from the DDAbstractLogger implementation.
     // For extensive documentation please refer to the DDAbstractLogger implementation.
-
+    
     // Note: The internal implementation should access the rollingFrequency variable directly,
     // This method is designed explicitly for external access.
     //
     // Using "self." syntax to go through this method will cause immediate deadlock.
     // This is the intended result. Fix it by accessing the ivar directly.
     // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(self.loggerQueue, block);
+        dispatch_sync(loggerQueue, block);
     });
-
+    
     return result;
 }
 
-- (void)setRollingFrequency:(NSTimeInterval)newRollingFrequency {
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            _rollingFrequency = newRollingFrequency;
-            [self maybeRollLogFileDueToAge];
-        }
-    };
-
+- (void)setRollingFrequency:(NSTimeInterval)newRollingFrequency
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        rollingFrequency = newRollingFrequency;
+        [self maybeRollLogFileDueToAge];
+    }};
+    
     // The design of this method is taken from the DDAbstractLogger implementation.
     // For extensive documentation please refer to the DDAbstractLogger implementation.
-
+    
     // Note: The internal implementation should access the rollingFrequency variable directly,
     // This method is designed explicitly for external access.
     //
     // Using "self." syntax to go through this method will cause immediate deadlock.
     // This is the intended result. Fix it by accessing the ivar directly.
     // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     dispatch_async(globalLoggingQueue, ^{
-        dispatch_async(self.loggerQueue, block);
+        dispatch_async(loggerQueue, block);
     });
 }
 
@@ -734,136 +779,156 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 #pragma mark File Rolling
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (void)scheduleTimerToRollLogFileDueToAge {
-    if (_rollingTimer) {
-        dispatch_source_cancel(_rollingTimer);
-        _rollingTimer = NULL;
+- (void)scheduleTimerToRollLogFileDueToAge
+{
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
     }
-
-    if (_currentLogFileInfo == nil || _rollingFrequency <= 0.0) {
+    
+    if (currentLogFileInfo == nil || rollingFrequency <= 0.0)
+    {
         return;
     }
-
-    NSDate *logFileCreationDate = [_currentLogFileInfo creationDate];
-
+    
+    NSDate *logFileCreationDate = [currentLogFileInfo creationDate];
+    
     NSTimeInterval ti = [logFileCreationDate timeIntervalSinceReferenceDate];
-    ti += _rollingFrequency;
-
+    ti += rollingFrequency;
+    
     NSDate *logFileRollingDate = [NSDate dateWithTimeIntervalSinceReferenceDate:ti];
-
+    
     NSLogVerbose(@"DDFileLogger: scheduleTimerToRollLogFileDueToAge");
-
+    
     NSLogVerbose(@"DDFileLogger: logFileCreationDate: %@", logFileCreationDate);
     NSLogVerbose(@"DDFileLogger: logFileRollingDate : %@", logFileRollingDate);
-
-    _rollingTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, self.loggerQueue);
-
-    dispatch_source_set_event_handler(_rollingTimer, ^{ @autoreleasepool {
-                                                           [self maybeRollLogFileDueToAge];
-                                                       } });
-
+    
+    rollingTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+    
+    dispatch_source_set_event_handler(rollingTimer, ^{ @autoreleasepool {
+        
+        [self maybeRollLogFileDueToAge];
+        
+    }});
+    
     #if !OS_OBJECT_USE_OBJC
-    dispatch_source_t theRollingTimer = _rollingTimer;
-    dispatch_source_set_cancel_handler(_rollingTimer, ^{
+    dispatch_source_t theRollingTimer = rollingTimer;
+    dispatch_source_set_cancel_handler(rollingTimer, ^{
         dispatch_release(theRollingTimer);
     });
     #endif
-
+    
     uint64_t delay = (uint64_t)([logFileRollingDate timeIntervalSinceNow] * NSEC_PER_SEC);
     dispatch_time_t fireTime = dispatch_time(DISPATCH_TIME_NOW, delay);
-
-    dispatch_source_set_timer(_rollingTimer, fireTime, DISPATCH_TIME_FOREVER, 1.0);
-    dispatch_resume(_rollingTimer);
+    
+    dispatch_source_set_timer(rollingTimer, fireTime, DISPATCH_TIME_FOREVER, 1.0);
+    dispatch_resume(rollingTimer);
 }
 
-- (void)rollLogFile {
+
+- (void)rollLogFile
+{
     [self rollLogFileWithCompletionBlock:nil];
 }
 
-- (void)rollLogFileWithCompletionBlock:(void (^)())completionBlock {
+- (void)rollLogFileWithCompletionBlock:(void (^)())completionBlock
+{
     // This method is public.
     // We need to execute the rolling on our logging thread/queue.
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self rollLogFileNow];
 
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            [self rollLogFileNow];
-
-            if (completionBlock) {
-                dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-                    completionBlock();
-                });
-            }
+        if (completionBlock)
+        {
+            dispatch_async(dispatch_get_main_queue(), ^{
+                completionBlock();
+            });
         }
-    };
-
+    }};
+    
     // The design of this method is taken from the DDAbstractLogger implementation.
     // For extensive documentation please refer to the DDAbstractLogger implementation.
-
-    if ([self isOnInternalLoggerQueue]) {
+    
+    if ([self isOnInternalLoggerQueue])
+    {
         block();
-    } else {
+    }
+    else
+    {
         dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
         NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
-
+        
         dispatch_async(globalLoggingQueue, ^{
-            dispatch_async(self.loggerQueue, block);
+            dispatch_async(loggerQueue, block);
         });
     }
 }
 
-- (void)rollLogFileNow {
+- (void)rollLogFileNow
+{
     NSLogVerbose(@"DDFileLogger: rollLogFileNow");
-
-    if (_currentLogFileHandle == nil) {
-        return;
+    
+    
+    if (currentLogFileHandle == nil) return;
+    
+    [currentLogFileHandle synchronizeFile];
+    [currentLogFileHandle closeFile];
+    currentLogFileHandle = nil;
+    
+    currentLogFileInfo.isArchived = YES;
+    
+    if ([logFileManager respondsToSelector:@selector(didRollAndArchiveLogFile:)])
+    {
+        [logFileManager didRollAndArchiveLogFile:(currentLogFileInfo.filePath)];
+    }
+    
+    currentLogFileInfo = nil;
+    
+    if (currentLogFileVnode) {
+        dispatch_source_cancel(currentLogFileVnode);
+        currentLogFileVnode = NULL;
     }
 
-    [_currentLogFileHandle synchronizeFile];
-    [_currentLogFileHandle closeFile];
-    _currentLogFileHandle = nil;
-
-    _currentLogFileInfo.isArchived = YES;
-
-    if ([logFileManager respondsToSelector:@selector(didRollAndArchiveLogFile:)]) {
-        [logFileManager didRollAndArchiveLogFile:(_currentLogFileInfo.filePath)];
-    }
-
-    _currentLogFileInfo = nil;
-
-    if (_currentLogFileVnode) {
-        dispatch_source_cancel(_currentLogFileVnode);
-        _currentLogFileVnode = NULL;
-    }
-
-    if (_rollingTimer) {
-        dispatch_source_cancel(_rollingTimer);
-        _rollingTimer = NULL;
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
     }
 }
 
-- (void)maybeRollLogFileDueToAge {
-    if (_rollingFrequency > 0.0 && _currentLogFileInfo.age >= _rollingFrequency) {
+- (void)maybeRollLogFileDueToAge
+{
+    if (rollingFrequency > 0.0 && currentLogFileInfo.age >= rollingFrequency)
+    {
         NSLogVerbose(@"DDFileLogger: Rolling log file due to age...");
-
+        
         [self rollLogFileNow];
-    } else {
+    }
+    else
+    {
         [self scheduleTimerToRollLogFileDueToAge];
     }
 }
 
-- (void)maybeRollLogFileDueToSize {
+- (void)maybeRollLogFileDueToSize
+{
     // This method is called from logMessage.
     // Keep it FAST.
-
+    
     // Note: Use direct access to maximumFileSize variable.
     // We specifically wrote our own getter/setter method to allow us to do this (for performance reasons).
-
-    if (_maximumFileSize > 0) {
-        unsigned long long fileSize = [_currentLogFileHandle offsetInFile];
-
-        if (fileSize >= _maximumFileSize) {
+    
+    if (maximumFileSize > 0)
+    {
+        unsigned long long fileSize = [currentLogFileHandle offsetInFile];
+        
+        if (fileSize >= maximumFileSize)
+        {
             NSLogVerbose(@"DDFileLogger: Rolling log file due to size (%qu)...", fileSize);
-
+            
             [self rollLogFileNow];
         }
     }
@@ -877,29 +942,38 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
  * Returns the log file that should be used.
  * If there is an existing log file that is suitable,
  * within the constraints of maximumFileSize and rollingFrequency, then it is returned.
- *
+ * 
  * Otherwise a new file is created and returned.
- **/
-- (DDLogFileInfo *)currentLogFileInfo {
-    if (_currentLogFileInfo == nil) {
+**/
+- (DDLogFileInfo *)currentLogFileInfo
+{
+    if (currentLogFileInfo == nil)
+    {
         NSArray *sortedLogFileInfos = [logFileManager sortedLogFileInfos];
-
-        if ([sortedLogFileInfos count] > 0) {
-            DDLogFileInfo *mostRecentLogFileInfo = sortedLogFileInfos[0];
-
+        
+        if ([sortedLogFileInfos count] > 0)
+        {
+            DDLogFileInfo *mostRecentLogFileInfo = [sortedLogFileInfos objectAtIndex:0];
+            
             BOOL shouldArchiveMostRecent = NO;
-
-            if (mostRecentLogFileInfo.isArchived) {
+            
+            if (mostRecentLogFileInfo.isArchived)
+            {
                 shouldArchiveMostRecent = NO;
-            } else if (_maximumFileSize > 0 && mostRecentLogFileInfo.fileSize >= _maximumFileSize) {
+            }
+            else if (maximumFileSize > 0 && mostRecentLogFileInfo.fileSize >= maximumFileSize)
+            {
                 shouldArchiveMostRecent = YES;
-            } else if (_rollingFrequency > 0.0 && mostRecentLogFileInfo.age >= _rollingFrequency) {
+            }
+            else if (rollingFrequency > 0.0 && mostRecentLogFileInfo.age >= rollingFrequency)
+            {
                 shouldArchiveMostRecent = YES;
             }
 
+
         #if TARGET_OS_IPHONE
             // When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
-            //
+            // 
             // But in case if app is able to launch from background we need to have an ability to open log file any time we
             // want (even if device is locked). Thats why that attribute have to be changed to
             // NSFileProtectionCompleteUntilFirstUserAuthentication.
@@ -912,74 +986,82 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
             if (!_doNotReuseLogFiles && doesAppRunInBackground()) {
                 NSString *key = mostRecentLogFileInfo.fileAttributes[NSFileProtectionKey];
 
-                if ([key length] > 0 && !([key isEqualToString:NSFileProtectionCompleteUntilFirstUserAuthentication] || [key isEqualToString:NSFileProtectionNone])) {
+                if (! ([key isEqualToString:NSFileProtectionCompleteUntilFirstUserAuthentication] || [key isEqualToString:NSFileProtectionNone])) {
                     shouldArchiveMostRecent = YES;
                 }
             }
-
         #endif
 
-            if (!_doNotReuseLogFiles && !mostRecentLogFileInfo.isArchived && !shouldArchiveMostRecent) {
+            if (!_doNotReuseLogFiles && !mostRecentLogFileInfo.isArchived && !shouldArchiveMostRecent)
+            {
                 NSLogVerbose(@"DDFileLogger: Resuming logging with file %@", mostRecentLogFileInfo.fileName);
-
-                _currentLogFileInfo = mostRecentLogFileInfo;
-            } else {
-                if (shouldArchiveMostRecent) {
+                
+                currentLogFileInfo = mostRecentLogFileInfo;
+            }
+            else
+            {
+                if (shouldArchiveMostRecent)
+                {
                     mostRecentLogFileInfo.isArchived = YES;
-
-                    if ([logFileManager respondsToSelector:@selector(didArchiveLogFile:)]) {
+                    
+                    if ([logFileManager respondsToSelector:@selector(didArchiveLogFile:)])
+                    {
                         [logFileManager didArchiveLogFile:(mostRecentLogFileInfo.filePath)];
                     }
                 }
             }
         }
-
-        if (_currentLogFileInfo == nil) {
+        
+        if (currentLogFileInfo == nil)
+        {
             NSString *currentLogFilePath = [logFileManager createNewLogFile];
-
-            _currentLogFileInfo = [[DDLogFileInfo alloc] initWithFilePath:currentLogFilePath];
+            
+            currentLogFileInfo = [[DDLogFileInfo alloc] initWithFilePath:currentLogFilePath];
         }
     }
-
-    return _currentLogFileInfo;
+    
+    return currentLogFileInfo;
 }
 
-- (NSFileHandle *)currentLogFileHandle {
-    if (_currentLogFileHandle == nil) {
+- (NSFileHandle *)currentLogFileHandle
+{
+    if (currentLogFileHandle == nil)
+    {
         NSString *logFilePath = [[self currentLogFileInfo] filePath];
-
-        _currentLogFileHandle = [NSFileHandle fileHandleForWritingAtPath:logFilePath];
-        [_currentLogFileHandle seekToEndOfFile];
-
-        if (_currentLogFileHandle) {
+        
+        currentLogFileHandle = [NSFileHandle fileHandleForWritingAtPath:logFilePath];
+        [currentLogFileHandle seekToEndOfFile];
+        
+        if (currentLogFileHandle)
+        {
             [self scheduleTimerToRollLogFileDueToAge];
 
             // Here we are monitoring the log file. In case if it would be deleted ormoved
             // somewhere we want to roll it and use a new one.
-            _currentLogFileVnode = dispatch_source_create(
-                    DISPATCH_SOURCE_TYPE_VNODE,
-                    [_currentLogFileHandle fileDescriptor],
-                    DISPATCH_VNODE_DELETE | DISPATCH_VNODE_RENAME,
-                    self.loggerQueue
-                    );
+            currentLogFileVnode = dispatch_source_create(
+                DISPATCH_SOURCE_TYPE_VNODE,
+                [currentLogFileHandle fileDescriptor],
+                DISPATCH_VNODE_DELETE | DISPATCH_VNODE_RENAME,
+                loggerQueue
+            );
 
-            dispatch_source_set_event_handler(_currentLogFileVnode, ^{ @autoreleasepool {
-                                                                          NSLogInfo(@"DDFileLogger: Current logfile was moved. Rolling it and creating a new one");
-                                                                          [self rollLogFileNow];
-                                                                      } });
+            dispatch_source_set_event_handler(currentLogFileVnode, ^{ @autoreleasepool {
+                NSLogInfo(@"DDFileLogger: Current logfile was moved. Rolling it and creating a new one");
+                [self rollLogFileNow];
+            }});
 
             #if !OS_OBJECT_USE_OBJC
-            dispatch_source_t vnode = _currentLogFileVnode;
-            dispatch_source_set_cancel_handler(_currentLogFileVnode, ^{
+            dispatch_source_t vnode = currentLogFileVnode;
+            dispatch_source_set_cancel_handler(currentLogFileVnode, ^{
                 dispatch_release(vnode);
             });
             #endif
 
-            dispatch_resume(_currentLogFileVnode);
+            dispatch_resume(currentLogFileVnode);
         }
     }
-
-    return _currentLogFileHandle;
+    
+    return currentLogFileHandle;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -987,48 +1069,52 @@ unsigned long long const kDDDefaultLogFilesDiskQuota   = 20 * 1024 * 1024; // 20
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 static int exception_count = 0;
-- (void)logMessage:(DDLogMessage *)logMessage {
-    NSString *message = logMessage->_message;
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    NSString *logMsg = logMessage->logMsg;
     BOOL isFormatted = NO;
 
-    if (_logFormatter) {
-        message = [_logFormatter formatLogMessage:logMessage];
-        isFormatted = message != logMessage->_message;
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+        isFormatted = logMsg != logMessage->logMsg;
     }
-
-    if (message) {
+    
+    if (logMsg)
+    {
         if ((!isFormatted || _automaticallyAppendNewlineForCustomFormatters) &&
-            (![message hasSuffix:@"\n"])) {
-            message = [message stringByAppendingString:@"\n"];
+        (![logMsg hasSuffix:@"\n"]))
+        {
+                logMsg = [logMsg stringByAppendingString:@"\n"];
         }
-
-        NSData *logData = [message dataUsingEncoding:NSUTF8StringEncoding];
+        
+        NSData *logData = [logMsg dataUsingEncoding:NSUTF8StringEncoding];
 
         @try {
             [[self currentLogFileHandle] writeData:logData];
 
             [self maybeRollLogFileDueToSize];
-        } @catch (NSException *exception) {
+        }
+        @catch (NSException *exception) {
             exception_count++;
-
             if (exception_count <= 10) {
                 NSLogError(@"DDFileLogger.logMessage: %@", exception);
-
-                if (exception_count == 10) {
+                if (exception_count == 10)
                     NSLogError(@"DDFileLogger.logMessage: Too many exceptions -- will not log any more of them.");
-                }
             }
         }
     }
 }
 
-- (void)willRemoveLogger {
+- (void)willRemoveLogger
+{
     // If you override me be sure to invoke [super willRemoveLogger];
-
+    
     [self rollLogFileNow];
 }
 
-- (NSString *)loggerName {
+- (NSString *)loggerName
+{
     return @"cocoa.lumberjack.fileLogger";
 }
 
@@ -1039,26 +1125,11 @@ static int exception_count = 0;
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 #if TARGET_IPHONE_SIMULATOR
-    static NSString * const kDDXAttrArchivedName = @"archived";
+  #define XATTR_ARCHIVED_NAME  @"archived"
 #else
-    static NSString * const kDDXAttrArchivedName = @"lumberjack.log.archived";
+  #define XATTR_ARCHIVED_NAME  @"lumberjack.log.archived"
 #endif
 
-@interface DDLogFileInfo () {
-    __strong NSString *_filePath;
-    __strong NSString *_fileName;
-    
-    __strong NSDictionary *_fileAttributes;
-    
-    __strong NSDate *_creationDate;
-    __strong NSDate *_modificationDate;
-    
-    unsigned long long _fileSize;
-}
-
-@end
-
-
 @implementation DDLogFileInfo
 
 @synthesize filePath;
@@ -1075,15 +1146,17 @@ static int exception_count = 0;
 
 #pragma mark Lifecycle
 
-+ (instancetype)logFileWithPath:(NSString *)aFilePath {
++ (instancetype)logFileWithPath:(NSString *)aFilePath
+{
     return [[self alloc] initWithFilePath:aFilePath];
 }
 
-- (instancetype)initWithFilePath:(NSString *)aFilePath {
-    if ((self = [super init])) {
+- (instancetype)initWithFilePath:(NSString *)aFilePath
+{
+    if ((self = [super init]))
+    {
         filePath = [aFilePath copy];
     }
-
     return self;
 }
 
@@ -1091,102 +1164,113 @@ static int exception_count = 0;
 #pragma mark Standard Info
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (NSDictionary *)fileAttributes {
-    if (_fileAttributes == nil) {
-        _fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];
+- (NSDictionary *)fileAttributes
+{
+    if (fileAttributes == nil)
+    {
+        fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];
     }
-
-    return _fileAttributes;
+    return fileAttributes;
 }
 
-- (NSString *)fileName {
-    if (_fileName == nil) {
-        _fileName = [filePath lastPathComponent];
+- (NSString *)fileName
+{
+    if (fileName == nil)
+    {
+        fileName = [filePath lastPathComponent];
     }
-
-    return _fileName;
+    return fileName;
 }
 
-- (NSDate *)modificationDate {
-    if (_modificationDate == nil) {
-        _modificationDate = self.fileAttributes[NSFileModificationDate];
+- (NSDate *)modificationDate
+{
+    if (modificationDate == nil)
+    {
+        modificationDate = [[self fileAttributes] objectForKey:NSFileModificationDate];
     }
-
-    return _modificationDate;
+    
+    return modificationDate;
 }
 
-- (NSDate *)creationDate {
-    if (_creationDate == nil) {
-        _creationDate = self.fileAttributes[NSFileCreationDate];
+- (NSDate *)creationDate
+{
+    if (creationDate == nil)
+    {
+        creationDate = [[self fileAttributes] objectForKey:NSFileCreationDate];
     }
-
-    return _creationDate;
+    return creationDate;
 }
 
-- (unsigned long long)fileSize {
-    if (_fileSize == 0) {
-        _fileSize = [self.fileAttributes[NSFileSize] unsignedLongLongValue];
+- (unsigned long long)fileSize
+{
+    if (fileSize == 0)
+    {
+        fileSize = [[[self fileAttributes] objectForKey:NSFileSize] unsignedLongLongValue];
     }
-
-    return _fileSize;
+    
+    return fileSize;
 }
 
-- (NSTimeInterval)age {
+- (NSTimeInterval)age
+{
     return [[self creationDate] timeIntervalSinceNow] * -1.0;
 }
 
-- (NSString *)description {
-    return [@{ @"filePath": self.filePath ? : @"",
-               @"fileName": self.fileName ? : @"",
-               @"fileAttributes": self.fileAttributes ? : @"",
-               @"creationDate": self.creationDate ? : @"",
-               @"modificationDate": self.modificationDate ? : @"",
-               @"fileSize": @(self.fileSize),
-               @"age": @(self.age),
-               @"isArchived": @(self.isArchived) } description];
+- (NSString *)description
+{
+    return [@{@"filePath": self.filePath ?: @"",
+              @"fileName": self.fileName ?: @"",
+              @"fileAttributes": self.fileAttributes ?: @"",
+              @"creationDate": self.creationDate ?: @"",
+              @"modificationDate": self.modificationDate ?: @"",
+              @"fileSize": @(self.fileSize),
+              @"age": @(self.age),
+              @"isArchived": @(self.isArchived)} description];
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Archiving
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (BOOL)isArchived {
+- (BOOL)isArchived
+{
+    
 #if TARGET_IPHONE_SIMULATOR
-
+    
     // Extended attributes don't work properly on the simulator.
     // So we have to use a less attractive alternative.
     // See full explanation in the header file.
-
-    return [self hasExtensionAttributeWithName:kDDXAttrArchivedName];
-
+    
+    return [self hasExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    
 #else
-
-    return [self hasExtendedAttributeWithName:kDDXAttrArchivedName];
-
+    
+    return [self hasExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    
 #endif
 }
 
-- (void)setIsArchived:(BOOL)flag {
+- (void)setIsArchived:(BOOL)flag
+{
+    
 #if TARGET_IPHONE_SIMULATOR
-
+    
     // Extended attributes don't work properly on the simulator.
     // So we have to use a less attractive alternative.
     // See full explanation in the header file.
-
-    if (flag) {
-        [self addExtensionAttributeWithName:kDDXAttrArchivedName];
-    } else {
-        [self removeExtensionAttributeWithName:kDDXAttrArchivedName];
-    }
-
+    
+    if (flag)
+        [self addExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    else
+        [self removeExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    
 #else
-
-    if (flag) {
-        [self addExtendedAttributeWithName:kDDXAttrArchivedName];
-    } else {
-        [self removeExtendedAttributeWithName:kDDXAttrArchivedName];
-    }
-
+    
+    if (flag)
+        [self addExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    else
+        [self removeExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    
 #endif
 }
 
@@ -1194,32 +1278,36 @@ static int exception_count = 0;
 #pragma mark Changes
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (void)reset {
-    _fileName = nil;
-    _fileAttributes = nil;
-    _creationDate = nil;
-    _modificationDate = nil;
+- (void)reset
+{
+    fileName = nil;
+    fileAttributes = nil;
+    creationDate = nil;
+    modificationDate = nil;
 }
 
-- (void)renameFile:(NSString *)newFileName {
+- (void)renameFile:(NSString *)newFileName
+{
     // This method is only used on the iPhone simulator, where normal extended attributes are broken.
     // See full explanation in the header file.
-
-    if (![newFileName isEqualToString:[self fileName]]) {
+    
+    if (![newFileName isEqualToString:[self fileName]])
+    {
         NSString *fileDir = [filePath stringByDeletingLastPathComponent];
-
+        
         NSString *newFilePath = [fileDir stringByAppendingPathComponent:newFileName];
-
+        
         NSLogVerbose(@"DDLogFileInfo: Renaming file: '%@' -> '%@'", self.fileName, newFileName);
 
         NSError *error = nil;
-
         if ([[NSFileManager defaultManager] fileExistsAtPath:newFilePath] &&
-            ![[NSFileManager defaultManager] removeItemAtPath:newFilePath error:&error]) {
+           ![[NSFileManager defaultManager] removeItemAtPath:newFilePath error:&error])
+        {
             NSLogError(@"DDLogFileInfo: Error deleting archive (%@): %@", self.fileName, error);
         }
 
-        if (![[NSFileManager defaultManager] moveItemAtPath:filePath toPath:newFilePath error:&error]) {
+        if (![[NSFileManager defaultManager] moveItemAtPath:filePath toPath:newFilePath error:&error])
+        {
             NSLogError(@"DDLogFileInfo: Error renaming file (%@): %@", self.fileName, error);
         }
 
@@ -1228,6 +1316,7 @@ static int exception_count = 0;
     }
 }
 
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Attribute Management
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -1238,10 +1327,11 @@ static int exception_count = 0;
 // So we have to use a less attractive alternative.
 // See full explanation in the header file.
 
-- (BOOL)hasExtensionAttributeWithName:(NSString *)attrName {
+- (BOOL)hasExtensionAttributeWithName:(NSString *)attrName
+{
     // This method is only used on the iPhone simulator, where normal extended attributes are broken.
     // See full explanation in the header file.
-
+    
     // Split the file name into components. File name may have various format, but generally
     // structure is same:
     //
@@ -1250,15 +1340,17 @@ static int exception_count = 0;
     // <name part> and <name part>.archived
     //
     // So we want to search for the attrName in the components (ignoring the first array index).
-
+    
     NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
-
+    
     // Watch out for file names without an extension
 
-    for (NSUInteger i = 1; i < components.count; i++) {
-        NSString *attr = components[i];
+    for (NSUInteger i = 1; i < components.count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
 
-        if ([attrName isEqualToString:attr]) {
+        if ([attrName isEqualToString:attr])
+        {
             return YES;
         }
     }
@@ -1266,14 +1358,13 @@ static int exception_count = 0;
     return NO;
 }
 
-- (void)addExtensionAttributeWithName:(NSString *)attrName {
+- (void)addExtensionAttributeWithName:(NSString *)attrName
+{
     // This method is only used on the iPhone simulator, where normal extended attributes are broken.
     // See full explanation in the header file.
-
-    if ([attrName length] == 0) {
-        return;
-    }
-
+    
+    if ([attrName length] == 0) return;
+    
     // Example:
     // attrName = "archived"
     //
@@ -1281,124 +1372,137 @@ static int exception_count = 0;
     // "mylog"     -> "mylog.archived"
 
     NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
-
+    
     NSUInteger count = [components count];
-
+    
     NSUInteger estimatedNewLength = [[self fileName] length] + [attrName length] + 1;
     NSMutableString *newFileName = [NSMutableString stringWithCapacity:estimatedNewLength];
-
-    if (count > 0) {
-        [newFileName appendString:components.firstObject];
+    
+    if (count > 0)
+    {
+        [newFileName appendString:[components objectAtIndex:0]];
     }
-
+    
     NSString *lastExt = @"";
-
+    
     NSUInteger i;
-
-    for (i = 1; i < count; i++) {
-        NSString *attr = components[i];
-
-        if ([attr length] == 0) {
+    for (i = 1; i < count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
+        if ([attr length] == 0)
+        {
             continue;
         }
-
-        if ([attrName isEqualToString:attr]) {
+        
+        if ([attrName isEqualToString:attr])
+        {
             // Extension attribute already exists in file name
             return;
         }
-
-        if ([lastExt length] > 0) {
+        
+        if ([lastExt length] > 0)
+        {
             [newFileName appendFormat:@".%@", lastExt];
         }
-
+        
         lastExt = attr;
     }
-
+    
     [newFileName appendFormat:@".%@", attrName];
-
-    if ([lastExt length] > 0) {
+    
+    if ([lastExt length] > 0)
+    {
         [newFileName appendFormat:@".%@", lastExt];
     }
-
+    
     [self renameFile:newFileName];
 }
 
-- (void)removeExtensionAttributeWithName:(NSString *)attrName {
+- (void)removeExtensionAttributeWithName:(NSString *)attrName
+{
     // This method is only used on the iPhone simulator, where normal extended attributes are broken.
     // See full explanation in the header file.
-
-    if ([attrName length] == 0) {
-        return;
-    }
-
+    
+    if ([attrName length] == 0) return;
+    
     // Example:
     // attrName = "archived"
-    //
+    // 
     // "mylog.archived.txt" -> "mylog.txt"
     // "mylog.archived"     -> "mylog"
-
+    
     NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
-
+    
     NSUInteger count = [components count];
-
+    
     NSUInteger estimatedNewLength = [[self fileName] length];
     NSMutableString *newFileName = [NSMutableString stringWithCapacity:estimatedNewLength];
-
-    if (count > 0) {
-        [newFileName appendString:components.firstObject];
+    
+    if (count > 0)
+    {
+        [newFileName appendString:[components objectAtIndex:0]];
     }
-
+    
     BOOL found = NO;
-
+    
     NSUInteger i;
-
-    for (i = 1; i < count; i++) {
-        NSString *attr = components[i];
-
-        if ([attrName isEqualToString:attr]) {
+    for (i = 1; i < count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
+        
+        if ([attrName isEqualToString:attr])
+        {
             found = YES;
-        } else {
+        }
+        else
+        {
             [newFileName appendFormat:@".%@", attr];
         }
     }
-
-    if (found) {
+    
+    if (found)
+    {
         [self renameFile:newFileName];
     }
 }
 
-#else /* if TARGET_IPHONE_SIMULATOR */
+#else
 
-- (BOOL)hasExtendedAttributeWithName:(NSString *)attrName {
+- (BOOL)hasExtendedAttributeWithName:(NSString *)attrName
+{
     const char *path = [filePath UTF8String];
     const char *name = [attrName UTF8String];
-
+    
     ssize_t result = getxattr(path, name, NULL, 0, 0, 0);
-
+    
     return (result >= 0);
 }
 
-- (void)addExtendedAttributeWithName:(NSString *)attrName {
+- (void)addExtendedAttributeWithName:(NSString *)attrName
+{
     const char *path = [filePath UTF8String];
     const char *name = [attrName UTF8String];
-
+    
     int result = setxattr(path, name, NULL, 0, 0, 0);
-
-    if (result < 0) {
+    
+    if (result < 0)
+    {
         NSLogError(@"DDLogFileInfo: setxattr(%@, %@): error = %s",
                    attrName,
-                   filePath,
+                   self.fileName,
                    strerror(errno));
     }
 }
 
-- (void)removeExtendedAttributeWithName:(NSString *)attrName {
+- (void)removeExtendedAttributeWithName:(NSString *)attrName
+{
     const char *path = [filePath UTF8String];
     const char *name = [attrName UTF8String];
-
+    
     int result = removexattr(path, name, 0);
-
-    if (result < 0 && errno != ENOATTR) {
+    
+    if (result < 0 && errno != ENOATTR)
+    {
         NSLogError(@"DDLogFileInfo: removexattr(%@, %@): error = %s",
                    attrName,
                    self.fileName,
@@ -1406,53 +1510,53 @@ static int exception_count = 0;
     }
 }
 
-#endif /* if TARGET_IPHONE_SIMULATOR */
+#endif
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Comparisons
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-- (BOOL)isEqual:(id)object {
-    if ([object isKindOfClass:[self class]]) {
+- (BOOL)isEqual:(id)object
+{
+    if ([object isKindOfClass:[self class]])
+    {
         DDLogFileInfo *another = (DDLogFileInfo *)object;
-
+        
         return [filePath isEqualToString:[another filePath]];
     }
-
+    
     return NO;
 }
 
-- (NSComparisonResult)reverseCompareByCreationDate:(DDLogFileInfo *)another {
+- (NSComparisonResult)reverseCompareByCreationDate:(DDLogFileInfo *)another
+{
     NSDate *us = [self creationDate];
     NSDate *them = [another creationDate];
-
+    
     NSComparisonResult result = [us compare:them];
-
-    if (result == NSOrderedAscending) {
+    
+    if (result == NSOrderedAscending)
         return NSOrderedDescending;
-    }
-
-    if (result == NSOrderedDescending) {
+    
+    if (result == NSOrderedDescending)
         return NSOrderedAscending;
-    }
-
+    
     return NSOrderedSame;
 }
 
-- (NSComparisonResult)reverseCompareByModificationDate:(DDLogFileInfo *)another {
+- (NSComparisonResult)reverseCompareByModificationDate:(DDLogFileInfo *)another
+{
     NSDate *us = [self modificationDate];
     NSDate *them = [another modificationDate];
-
+    
     NSComparisonResult result = [us compare:them];
-
-    if (result == NSOrderedAscending) {
+    
+    if (result == NSOrderedAscending)
         return NSOrderedDescending;
-    }
-
-    if (result == NSOrderedDescending) {
+    
+    if (result == NSOrderedDescending)
         return NSOrderedAscending;
-    }
-
+    
     return NSOrderedSame;
 }
 
@@ -1466,7 +1570,8 @@ static int exception_count = 0;
  * want (even if device is locked). Thats why that attribute have to be changed to
  * NSFileProtectionCompleteUntilFirstUserAuthentication.
  */
-BOOL doesAppRunInBackground() {
+BOOL doesAppRunInBackground()
+{
     BOOL answer = NO;
 
     NSArray *backgroundModes = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"UIBackgroundModes"];
@@ -1480,5 +1585,5 @@ BOOL doesAppRunInBackground() {
 
     return answer;
 }
-
 #endif
+
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDLog+LOGV.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog+LOGV.h
new file mode 100644
index 0000000..5f67d44
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog+LOGV.h
@@ -0,0 +1,99 @@
+//
+//  DDLog+LOGV.h
+//  Lumberjack
+//
+//  Created by Mike Pontillo on 11/20/12.
+//
+//
+
+#ifndef Lumberjack_DDLog_LOGV_h
+#define Lumberjack_DDLog_LOGV_h
+
+#import "DDLog.h"
+
+
+#define LOGV_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, avalist) \
+  [DDLog log:isAsynchronous                                                  \
+       level:lvl                                                             \
+        flag:flg                                                             \
+     context:ctx                                                             \
+        file:__FILE__                                                        \
+    function:fnct                                                            \
+        line:__LINE__                                                        \
+         tag:atag                                                            \
+      format:frmt                                                            \
+        args:avalist]
+
+#define LOGV_OBJC_MACRO(async, lvl, flg, ctx, frmt, avalist) \
+             LOGV_MACRO(async, lvl, flg, ctx, nil, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_MACRO(async, lvl, flg, ctx, frmt, avalist) \
+          LOGV_MACRO(async, lvl, flg, ctx, nil, __FUNCTION__, frmt, avalist)
+
+
+
+#define  SYNC_LOGV_OBJC_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MACRO( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_OBJC_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MACRO(YES, lvl, flg, ctx, frmt, avalist)
+
+#define  SYNC_LOGV_C_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MACRO( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_C_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MACRO(YES, lvl, flg, ctx, frmt, avalist)
+
+
+
+#define LOGV_MAYBE(async, lvl, flg, ctx, fnct, frmt, avalist) \
+  do { if(lvl & flg) LOGV_MACRO(async, lvl, flg, ctx, nil, fnct, frmt, avalist); } while(0)
+
+#define LOGV_OBJC_MAYBE(async, lvl, flg, ctx, frmt, avalist) \
+             LOGV_MAYBE(async, lvl, flg, ctx, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_MAYBE(async, lvl, flg, ctx, frmt, avalist) \
+          LOGV_MAYBE(async, lvl, flg, ctx, __FUNCTION__, frmt, avalist)
+
+#define  SYNC_LOGV_OBJC_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MAYBE( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_OBJC_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MAYBE(YES, lvl, flg, ctx, frmt, avalist)
+
+#define  SYNC_LOGV_C_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MAYBE( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_C_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MAYBE(YES, lvl, flg, ctx, frmt, avalist)
+
+
+
+#define LOGV_OBJC_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, avalist) \
+                 LOGV_MACRO(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, avalist) \
+              LOGV_MACRO(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, avalist)
+
+#define LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, avalist) \
+  do { if(lvl & flg) LOGV_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, avalist); } while(0)
+
+#define LOGV_OBJC_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, avalist) \
+             LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, avalist) \
+          LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, avalist)
+
+
+
+#define DDLogvError(frmt, avalist)   LOGV_OBJC_MAYBE(LOG_ASYNC_ERROR,   ddLogLevel, LOG_FLAG_ERROR,   0, frmt, avalist)
+#define DDLogvWarn(frmt, avalist)    LOGV_OBJC_MAYBE(LOG_ASYNC_WARN,    ddLogLevel, LOG_FLAG_WARN,    0, frmt, avalist)
+#define DDLogvInfo(frmt, avalist)    LOGV_OBJC_MAYBE(LOG_ASYNC_INFO,    ddLogLevel, LOG_FLAG_INFO,    0, frmt, avalist)
+#define DDLogvVerbose(frmt, avalist) LOGV_OBJC_MAYBE(LOG_ASYNC_VERBOSE, ddLogLevel, LOG_FLAG_VERBOSE, 0, frmt, avalist)
+
+#define DDLogvCError(frmt, avalist)   LOGV_C_MAYBE(LOG_ASYNC_ERROR,   ddLogLevel, LOG_FLAG_ERROR,   0, frmt, avalist)
+#define DDLogvCWarn(frmt, avalist)    LOGV_C_MAYBE(LOG_ASYNC_WARN,    ddLogLevel, LOG_FLAG_WARN,    0, frmt, avalist)
+#define DDLogvCInfo(frmt, avalist)    LOGV_C_MAYBE(LOG_ASYNC_INFO,    ddLogLevel, LOG_FLAG_INFO,    0, frmt, avalist)
+#define DDLogvCVerbose(frmt, avalist) LOGV_C_MAYBE(LOG_ASYNC_VERBOSE, ddLogLevel, LOG_FLAG_VERBOSE, 0, frmt, avalist)
+
+#endif
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDLog.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog.h
new file mode 100755
index 0000000..f4aebd6
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog.h
@@ -0,0 +1,692 @@
+#import <Foundation/Foundation.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * Otherwise, here is a quick refresher.
+ * There are three steps to using the macros:
+ * 
+ * Step 1:
+ * Import the header in your implementation file:
+ * 
+ * #import "DDLog.h"
+ * 
+ * Step 2:
+ * Define your logging level in your implementation file:
+ * 
+ * // Log levels: off, error, warn, info, verbose
+ * static const int ddLogLevel = LOG_LEVEL_VERBOSE;
+ * 
+ * Step 2 [3rd party frameworks]:
+ *
+ * Define your LOG_LEVEL_DEF to a different variable/function than ddLogLevel:
+ *
+ * // #undef LOG_LEVEL_DEF // Undefine first only if needed
+ * #define LOG_LEVEL_DEF myLibLogLevel
+ *
+ * Define your logging level in your implementation file:
+ *
+ * // Log levels: off, error, warn, info, verbose
+ * static const int myLibLogLevel = LOG_LEVEL_VERBOSE;
+ *
+ * Step 3:
+ * Replace your NSLog statements with DDLog statements according to the severity of the message.
+ * 
+ * NSLog(@"Fatal error, no dohickey found!"); -> DDLogError(@"Fatal error, no dohickey found!");
+ * 
+ * DDLog works exactly the same as NSLog.
+ * This means you can pass it multiple variables just like NSLog.
+**/
+
+#ifndef LOG_LEVEL_DEF
+    #define LOG_LEVEL_DEF ddLogLevel
+#endif
+
+@class DDLogMessage;
+
+@protocol DDLogger;
+@protocol DDLogFormatter;
+
+/**
+ * This is the single macro that all other macros below compile into.
+ * This big multiline macro makes all the other macros easier to read.
+**/
+
+#define LOG_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, ...) \
+        [DDLog log:isAsynchronous                                       \
+             level:lvl                                                  \
+              flag:flg                                                  \
+           context:ctx                                                  \
+              file:__FILE__                                             \
+          function:fnct                                                 \
+              line:__LINE__                                             \
+               tag:atag                                                 \
+            format:(frmt), ##__VA_ARGS__]
+
+/**
+ * Define the Objective-C and C versions of the macro.
+ * These automatically inject the proper function name for either an objective-c method or c function.
+ * 
+ * We also define shorthand versions for asynchronous and synchronous logging.
+**/
+
+#define LOG_OBJC_MACRO(async, lvl, flg, ctx, frmt, ...) \
+        LOG_MACRO(async, lvl, flg, ctx, nil, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_MACRO(async, lvl, flg, ctx, frmt, ...) \
+        LOG_MACRO(async, lvl, flg, ctx, nil, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define SYNC_LOG_OBJC_MACRO(lvl, flg, ctx, frmt, ...) \
+        LOG_OBJC_MACRO(NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_OBJC_MACRO(lvl, flg, ctx, frmt, ...) \
+        LOG_OBJC_MACRO(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define SYNC_LOG_C_MACRO(lvl, flg, ctx, frmt, ...) \
+        LOG_C_MACRO(NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_C_MACRO(lvl, flg, ctx, frmt, ...) \
+        LOG_C_MACRO(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+/**
+ * Define version of the macro that only execute if the logLevel is above the threshold.
+ * The compiled versions essentially look like this:
+ * 
+ * if (logFlagForThisLogMsg & ddLogLevel) { execute log message }
+ * 
+ * When LOG_LEVEL_DEF is defined as ddLogLevel.
+ *
+ * As shown further below, Lumberjack actually uses a bitmask as opposed to primitive log levels.
+ * This allows for a great amount of flexibility and some pretty advanced fine grained logging techniques.
+ * 
+ * Note that when compiler optimizations are enabled (as they are for your release builds),
+ * the log messages above your logging threshold will automatically be compiled out.
+ * 
+ * (If the compiler sees LOG_LEVEL_DEF/ddLogLevel declared as a constant, the compiler simply checks to see
+ *  if the 'if' statement would execute, and if not it strips it from the binary.)
+ * 
+ * We also define shorthand versions for asynchronous and synchronous logging.
+**/
+
+#define LOG_MAYBE(async, lvl, flg, ctx, fnct, frmt, ...) \
+        do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, nil, fnct, frmt, ##__VA_ARGS__); } while(0)
+
+#define LOG_OBJC_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+        LOG_MAYBE(async, lvl, flg, ctx, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+        LOG_MAYBE(async, lvl, flg, ctx, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define SYNC_LOG_OBJC_MAYBE(lvl, flg, ctx, frmt, ...) \
+        LOG_OBJC_MAYBE(NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_OBJC_MAYBE(lvl, flg, ctx, frmt, ...) \
+        LOG_OBJC_MAYBE(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define SYNC_LOG_C_MAYBE(lvl, flg, ctx, frmt, ...) \
+        LOG_C_MAYBE(NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_C_MAYBE(lvl, flg, ctx, frmt, ...) \
+        LOG_C_MAYBE(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+/**
+ * Define versions of the macros that also accept tags.
+ * 
+ * The DDLogMessage object includes a 'tag' ivar that may be used for a variety of purposes.
+ * It may be used to pass custom information to loggers or formatters.
+ * Or it may be used by 3rd party extensions to the framework.
+ * 
+ * Thes macros just make it a little easier to extend logging functionality.
+**/
+
+#define LOG_OBJC_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, ...) \
+        LOG_MACRO(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, ...) \
+        LOG_MACRO(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, ...) \
+        do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, ##__VA_ARGS__); } while(0)
+
+#define LOG_OBJC_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, ...) \
+        LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, ...) \
+        LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+/**
+ * Define the standard options.
+ * 
+ * We default to only 4 levels because it makes it easier for beginners
+ * to make the transition to a logging framework.
+ * 
+ * More advanced users may choose to completely customize the levels (and level names) to suite their needs.
+ * For more information on this see the "Custom Log Levels" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomLogLevels
+ * 
+ * Advanced users may also notice that we're using a bitmask.
+ * This is to allow for custom fine grained logging:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/FineGrainedLogging
+ * 
+ * -- Flags --
+ * 
+ * Typically you will use the LOG_LEVELS (see below), but the flags may be used directly in certain situations.
+ * For example, say you have a lot of warning log messages, and you wanted to disable them.
+ * However, you still needed to see your error and info log messages.
+ * You could accomplish that with the following:
+ * 
+ * static const int ddLogLevel = LOG_FLAG_ERROR | LOG_FLAG_INFO;
+ * 
+ * When LOG_LEVEL_DEF is defined as ddLogLevel.
+ *
+ * Flags may also be consulted when writing custom log formatters,
+ * as the DDLogMessage class captures the individual flag that caused the log message to fire.
+ * 
+ * -- Levels --
+ * 
+ * Log levels are simply the proper bitmask of the flags.
+ * 
+ * -- Booleans --
+ * 
+ * The booleans may be used when your logging code involves more than one line.
+ * For example:
+ * 
+ * if (LOG_VERBOSE) {
+ *     for (id sprocket in sprockets)
+ *         DDLogVerbose(@"sprocket: %@", [sprocket description])
+ * }
+ * 
+ * -- Async --
+ * 
+ * Defines the default asynchronous options.
+ * The default philosophy for asynchronous logging is very simple:
+ * 
+ * Log messages with errors should be executed synchronously.
+ *     After all, an error just occurred. The application could be unstable.
+ * 
+ * All other log messages, such as debug output, are executed asynchronously.
+ *     After all, if it wasn't an error, then it was just informational output,
+ *     or something the application was easily able to recover from.
+ * 
+ * -- Changes --
+ * 
+ * You are strongly discouraged from modifying this file.
+ * If you do, you make it more difficult on yourself to merge future bug fixes and improvements from the project.
+ * Instead, create your own MyLogging.h or ApplicationNameLogging.h or CompanyLogging.h
+ * 
+ * For an example of customizing your logging experience, see the "Custom Log Levels" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomLogLevels
+**/
+
+#define LOG_FLAG_ERROR    (1 << 0)  // 0...00001
+#define LOG_FLAG_WARN     (1 << 1)  // 0...00010
+#define LOG_FLAG_INFO     (1 << 2)  // 0...00100
+#define LOG_FLAG_DEBUG    (1 << 3)  // 0...01000
+#define LOG_FLAG_VERBOSE  (1 << 4)  // 0...10000
+
+#define LOG_LEVEL_OFF     0
+#define LOG_LEVEL_ERROR   (LOG_FLAG_ERROR)                                                                      // 0...00001
+#define LOG_LEVEL_WARN    (LOG_FLAG_ERROR | LOG_FLAG_WARN)                                                      // 0...00011
+#define LOG_LEVEL_INFO    (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO)                                      // 0...00111
+#define LOG_LEVEL_DEBUG   (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO | LOG_FLAG_DEBUG)                     // 0...01111
+#define LOG_LEVEL_VERBOSE (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO | LOG_FLAG_DEBUG | LOG_FLAG_VERBOSE)  // 0...11111
+#define LOG_LEVEL_ALL      0xFFFFFFFF // 1111....11111 (LOG_LEVEL_VERBOSE plus any other flags)
+
+#define LOG_ERROR         (LOG_LEVEL_DEF & LOG_FLAG_ERROR)
+#define LOG_WARN          (LOG_LEVEL_DEF & LOG_FLAG_WARN)
+#define LOG_INFO          (LOG_LEVEL_DEF & LOG_FLAG_INFO)
+#define LOG_DEBUG         (LOG_LEVEL_DEF & LOG_FLAG_DEBUG)
+#define LOG_VERBOSE       (LOG_LEVEL_DEF & LOG_FLAG_VERBOSE)
+
+#define LOG_ASYNC_ENABLED YES
+
+#define LOG_ASYNC_ERROR    ( NO && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_WARN     (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_INFO     (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_DEBUG    (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_VERBOSE  (YES && LOG_ASYNC_ENABLED)
+
+#define DDLogError(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_ERROR,   LOG_LEVEL_DEF, LOG_FLAG_ERROR,   0, frmt, ##__VA_ARGS__)
+#define DDLogWarn(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_WARN,    LOG_LEVEL_DEF, LOG_FLAG_WARN,    0, frmt, ##__VA_ARGS__)
+#define DDLogInfo(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_INFO,    LOG_LEVEL_DEF, LOG_FLAG_INFO,    0, frmt, ##__VA_ARGS__)
+#define DDLogDebug(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_DEBUG,   LOG_LEVEL_DEF, LOG_FLAG_DEBUG,   0, frmt, ##__VA_ARGS__)
+#define DDLogVerbose(frmt, ...) LOG_OBJC_MAYBE(LOG_ASYNC_VERBOSE, LOG_LEVEL_DEF, LOG_FLAG_VERBOSE, 0, frmt, ##__VA_ARGS__)
+
+#define DDLogCError(frmt, ...)   LOG_C_MAYBE(LOG_ASYNC_ERROR,   LOG_LEVEL_DEF, LOG_FLAG_ERROR,   0, frmt, ##__VA_ARGS__)
+#define DDLogCWarn(frmt, ...)    LOG_C_MAYBE(LOG_ASYNC_WARN,    LOG_LEVEL_DEF, LOG_FLAG_WARN,    0, frmt, ##__VA_ARGS__)
+#define DDLogCInfo(frmt, ...)    LOG_C_MAYBE(LOG_ASYNC_INFO,    LOG_LEVEL_DEF, LOG_FLAG_INFO,    0, frmt, ##__VA_ARGS__)
+#define DDLogCDebug(frmt, ...)   LOG_C_MAYBE(LOG_ASYNC_DEBUG,   LOG_LEVEL_DEF, LOG_FLAG_DEBUG,   0, frmt, ##__VA_ARGS__)
+#define DDLogCVerbose(frmt, ...) LOG_C_MAYBE(LOG_ASYNC_VERBOSE, LOG_LEVEL_DEF, LOG_FLAG_VERBOSE, 0, frmt, ##__VA_ARGS__)
+
+/**
+ * The THIS_FILE macro gives you an NSString of the file name.
+ * For simplicity and clarity, the file name does not include the full path or file extension.
+ * 
+ * For example: DDLogWarn(@"%@: Unable to find thingy", THIS_FILE) -> @"MyViewController: Unable to find thingy"
+**/
+
+NSString *DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy);
+
+#define THIS_FILE (DDExtractFileNameWithoutExtension(__FILE__, NO))
+
+/**
+ * The THIS_METHOD macro gives you the name of the current objective-c method.
+ * 
+ * For example: DDLogWarn(@"%@ - Requires non-nil strings", THIS_METHOD) -> @"setMake:model: requires non-nil strings"
+ * 
+ * Note: This does NOT work in straight C functions (non objective-c).
+ * Instead you should use the predefined __FUNCTION__ macro.
+**/
+
+#define THIS_METHOD NSStringFromSelector(_cmd)
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDLog : NSObject
+
+/**
+ * Provides access to the underlying logging queue.
+ * This may be helpful to Logger classes for things like thread synchronization.
+**/
+
++ (dispatch_queue_t)loggingQueue;
+
+/**
+ * Logging Primitive.
+ * 
+ * This method is used by the macros above.
+ * It is suggested you stick with the macros as they're easier to use.
+**/
+
++ (void)log:(BOOL)synchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format, ... __attribute__ ((format (__NSString__, 9, 10)));
+
+/**
+ * Logging Primitive.
+ * 
+ * This method can be used if you have a prepared va_list.
+**/
+
++ (void)log:(BOOL)asynchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format
+       args:(va_list)argList;
+
+/**
+ * Logging Primitive.
+ *
+ * This method can be used if you manualy prepared DDLogMessage.
+ **/
+
++ (void)log:(BOOL)asynchronous
+    message:(DDLogMessage *)logMessage;
+
+/**
+ * Since logging can be asynchronous, there may be times when you want to flush the logs.
+ * The framework invokes this automatically when the application quits.
+**/
+
++ (void)flushLog;
+
+/** 
+ * Loggers
+ * 
+ * In order for your log statements to go somewhere, you should create and add a logger.
+ * 
+ * You can add multiple loggers in order to direct your log statements to multiple places.
+ * And each logger can be configured separately.
+ * So you could have, for example, verbose logging to the console, but a concise log file with only warnings & errors.
+**/
+
+/**
+ * Adds the logger to the system.
+ * 
+ * This is equivalent to invoking [DDLog addLogger:logger withLogLevel:LOG_LEVEL_ALL].
+**/
++ (void)addLogger:(id <DDLogger>)logger;
+
+/**
+ * Adds the logger to the system.
+ * 
+ * The logLevel that you provide here is a preemptive filter (for performance).
+ * That is, the logLevel specified here will be used to filter out logMessages so that
+ * the logger is never even invoked for the messages.
+ * 
+ * More information:
+ * When you issue a log statement, the logging framework iterates over each logger,
+ * and checks to see if it should forward the logMessage to the logger.
+ * This check is done using the logLevel parameter passed to this method.
+ * 
+ * For example:
+ * [DDLog addLogger:consoleLogger withLogLevel:LOG_LEVEL_VERBOSE];
+ * [DDLog addLogger:fileLogger    withLogLevel:LOG_LEVEL_WARN];
+ *
+ * DDLogError(@"oh no"); => gets forwarded to consoleLogger & fileLogger
+ * DDLogInfo(@"hi");     => gets forwarded to consoleLogger only
+ *
+ * It is important to remember that Lumberjack uses a BITMASK.
+ * Many developers & third party frameworks may define extra log levels & flags.
+ * For example:
+ * 
+ * #define SOME_FRAMEWORK_LOG_FLAG_TRACE (1 << 6) // 0...1000000
+ *
+ * So if you specify LOG_LEVEL_VERBOSE to this method, you won't see the framework's trace messages.
+ *
+ * (SOME_FRAMEWORK_LOG_FLAG_TRACE & LOG_LEVEL_VERBOSE) => (01000000 & 00011111) => NO
+ * 
+ * Consider passing LOG_LEVEL_ALL to this method, which has all bits set.
+ * You can also use the exclusive-or bitwise operator to get a bitmask that has all flags set,
+ * except the ones you explicitly don't want. For example, if you wanted everything except verbose & debug:
+ * 
+ * ((LOG_LEVEL_ALL ^ LOG_LEVEL_VERBOSE) | LOG_LEVEL_INFO)
+**/
++ (void)addLogger:(id <DDLogger>)logger withLogLevel:(int)logLevel;
+
++ (void)removeLogger:(id <DDLogger>)logger;
++ (void)removeAllLoggers;
+
++ (NSArray *)allLoggers;
+
+/**
+ * Registered Dynamic Logging
+ * 
+ * These methods allow you to obtain a list of classes that are using registered dynamic logging,
+ * and also provides methods to get and set their log level during run time.
+**/
+
++ (NSArray *)registeredClasses;
++ (NSArray *)registeredClassNames;
+
++ (int)logLevelForClass:(Class)aClass;
++ (int)logLevelForClassWithName:(NSString *)aClassName;
+
++ (void)setLogLevel:(int)logLevel forClass:(Class)aClass;
++ (void)setLogLevel:(int)logLevel forClassWithName:(NSString *)aClassName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDLogger <NSObject>
+@required
+
+- (void)logMessage:(DDLogMessage *)logMessage;
+
+/**
+ * Formatters may optionally be added to any logger.
+ * 
+ * If no formatter is set, the logger simply logs the message as it is given in logMessage,
+ * or it may use its own built in formatting style.
+**/
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+@optional
+
+/**
+ * Since logging is asynchronous, adding and removing loggers is also asynchronous.
+ * In other words, the loggers are added and removed at appropriate times with regards to log messages.
+ * 
+ * - Loggers will not receive log messages that were executed prior to when they were added.
+ * - Loggers will not receive log messages that were executed after they were removed.
+ * 
+ * These methods are executed in the logging thread/queue.
+ * This is the same thread/queue that will execute every logMessage: invocation.
+ * Loggers may use these methods for thread synchronization or other setup/teardown tasks.
+**/
+- (void)didAddLogger;
+- (void)willRemoveLogger;
+
+/**
+ * Some loggers may buffer IO for optimization purposes.
+ * For example, a database logger may only save occasionaly as the disk IO is slow.
+ * In such loggers, this method should be implemented to flush any pending IO.
+ * 
+ * This allows invocations of DDLog's flushLog method to be propogated to loggers that need it.
+ * 
+ * Note that DDLog's flushLog method is invoked automatically when the application quits,
+ * and it may be also invoked manually by the developer prior to application crashes, or other such reasons.
+**/
+- (void)flush;
+
+/**
+ * Each logger is executed concurrently with respect to the other loggers.
+ * Thus, a dedicated dispatch queue is used for each logger.
+ * Logger implementations may optionally choose to provide their own dispatch queue.
+**/
+- (dispatch_queue_t)loggerQueue;
+
+/**
+ * If the logger implementation does not choose to provide its own queue,
+ * one will automatically be created for it.
+ * The created queue will receive its name from this method.
+ * This may be helpful for debugging or profiling reasons.
+**/
+- (NSString *)loggerName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDLogFormatter <NSObject>
+@required
+
+/**
+ * Formatters may optionally be added to any logger.
+ * This allows for increased flexibility in the logging environment.
+ * For example, log messages for log files may be formatted differently than log messages for the console.
+ * 
+ * For more information about formatters, see the "Custom Formatters" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * The formatter may also optionally filter the log message by returning nil,
+ * in which case the logger will not log the message.
+**/
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
+
+@optional
+
+/**
+ * A single formatter instance can be added to multiple loggers.
+ * These methods provides hooks to notify the formatter of when it's added/removed.
+ *
+ * This is primarily for thread-safety.
+ * If a formatter is explicitly not thread-safe, it may wish to throw an exception if added to multiple loggers.
+ * Or if a formatter has potentially thread-unsafe code (e.g. NSDateFormatter),
+ * it could possibly use these hooks to switch to thread-safe versions of the code.
+**/
+- (void)didAddToLogger:(id <DDLogger>)logger;
+- (void)willRemoveFromLogger:(id <DDLogger>)logger;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDRegisteredDynamicLogging
+
+/**
+ * Implement these methods to allow a file's log level to be managed from a central location.
+ * 
+ * This is useful if you'd like to be able to change log levels for various parts
+ * of your code from within the running application.
+ * 
+ * Imagine pulling up the settings for your application,
+ * and being able to configure the logging level on a per file basis.
+ * 
+ * The implementation can be very straight-forward:
+ * 
+ * + (int)ddLogLevel
+ * {
+ *     return ddLogLevel;
+ * }
+ *  
+ * + (void)ddSetLogLevel:(int)logLevel
+ * {
+ *     ddLogLevel = logLevel;
+ * }
+**/
+
++ (int)ddLogLevel;
++ (void)ddSetLogLevel:(int)logLevel;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The DDLogMessage class encapsulates information about the log message.
+ * If you write custom loggers or formatters, you will be dealing with objects of this class.
+**/
+
+enum {
+    DDLogMessageCopyFile     = 1 << 0,
+    DDLogMessageCopyFunction = 1 << 1
+};
+typedef int DDLogMessageOptions;
+
+@interface DDLogMessage : NSObject <NSCopying>
+{
+
+// The public variables below can be accessed directly (for speed).
+// For example: logMessage->logLevel
+    
+@public
+    int logLevel;
+    int logFlag;
+    int logContext;
+    NSString *logMsg;
+    NSDate *timestamp;
+    char *file;
+    char *function;
+    int lineNumber;
+    mach_port_t machThreadID;
+    char *queueLabel;
+    NSString *threadName;
+    
+    // For 3rd party extensions to the framework, where flags and contexts aren't enough.
+    id tag;
+    
+    // For 3rd party extensions that manually create DDLogMessage instances.
+    DDLogMessageOptions options;
+}
+
+/**
+ * Standard init method for a log message object.
+ * Used by the logging primitives. (And the macros use the logging primitives.)
+ * 
+ * If you find need to manually create logMessage objects, there is one thing you should be aware of:
+ * 
+ * If no flags are passed, the method expects the file and function parameters to be string literals.
+ * That is, it expects the given strings to exist for the duration of the object's lifetime,
+ * and it expects the given strings to be immutable.
+ * In other words, it does not copy these strings, it simply points to them.
+ * This is due to the fact that __FILE__ and __FUNCTION__ are usually used to specify these parameters,
+ * so it makes sense to optimize and skip the unnecessary allocations.
+ * However, if you need them to be copied you may use the options parameter to specify this.
+ * Options is a bitmask which supports DDLogMessageCopyFile and DDLogMessageCopyFunction.
+**/
+- (instancetype)initWithLogMsg:(NSString *)logMsg
+                         level:(int)logLevel
+                          flag:(int)logFlag
+                       context:(int)logContext
+                          file:(const char *)file
+                      function:(const char *)function
+                          line:(int)line
+                           tag:(id)tag
+                       options:(DDLogMessageOptions)optionsMask;
+- (instancetype)initWithLogMsg:(NSString *)logMsg
+                         level:(int)logLevel
+                          flag:(int)logFlag
+                       context:(int)logContext
+                          file:(const char *)file
+                      function:(const char *)function
+                          line:(int)line
+                           tag:(id)tag
+                       options:(DDLogMessageOptions)optionsMask
+                     timestamp:(NSDate *)aTimestamp;
+
+/**
+ * Returns the threadID as it appears in NSLog.
+ * That is, it is a hexadecimal value which is calculated from the machThreadID.
+**/
+- (NSString *)threadID;
+
+/**
+ * Convenience property to get just the file name, as the file variable is generally the full file path.
+ * This method does not include the file extension, which is generally unwanted for logging purposes.
+**/
+- (NSString *)fileName;
+
+/**
+ * Returns the function variable in NSString form.
+**/
+- (NSString *)methodName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The DDLogger protocol specifies that an optional formatter can be added to a logger.
+ * Most (but not all) loggers will want to support formatters.
+ * 
+ * However, writting getters and setters in a thread safe manner,
+ * while still maintaining maximum speed for the logging process, is a difficult task.
+ * 
+ * To do it right, the implementation of the getter/setter has strict requiremenets:
+ * - Must NOT require the logMessage method to acquire a lock.
+ * - Must NOT require the logMessage method to access an atomic property (also a lock of sorts).
+ * 
+ * To simplify things, an abstract logger is provided that implements the getter and setter.
+ * 
+ * Logger implementations may simply extend this class,
+ * and they can ACCESS THE FORMATTER VARIABLE DIRECTLY from within their logMessage method!
+**/
+
+@interface DDAbstractLogger : NSObject <DDLogger>
+{
+    id <DDLogFormatter> formatter;
+    
+    dispatch_queue_t loggerQueue;
+}
+
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+// For thread-safety assertions
+- (BOOL)isOnGlobalLoggingQueue;
+- (BOOL)isOnInternalLoggerQueue;
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDLog.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog.m
old mode 100644
new mode 100755
similarity index 57%
rename from Example/Pods/CocoaLumberjack/Classes/DDLog.m
rename to Example/Pods/CocoaLumberjack/Lumberjack/DDLog.m
index 03c6e7c..b70dc10
--- a/Example/Pods/CocoaLumberjack/Classes/DDLog.m
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDLog.m
@@ -1,23 +1,3 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
-#endif
-
 #import "DDLog.h"
 
 #import <pthread.h>
@@ -26,35 +6,43 @@
 #import <mach/host_info.h>
 #import <libkern/OSAtomic.h>
 #import <Availability.h>
-#if TARGET_OS_IOS
+#if TARGET_OS_IPHONE
     #import <UIKit/UIDevice.h>
 #endif
 
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+**/
 
-#if !__has_feature(objc_arc)
+#if ! __has_feature(objc_arc)
 #error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
 // We probably shouldn't be using DDLog() statements within the DDLog implementation.
 // But we still want to leave our log statements for any future debugging,
 // and to allow other developers to trace the implementation (which is a great learning tool).
-//
+// 
 // So we use a primitive logging macro around NSLog.
 // We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
 
-#ifndef DD_DEBUG
-    #define DD_DEBUG NO
-#endif
+#define DD_DEBUG NO
 
 #define NSLogDebug(frmt, ...) do{ if(DD_DEBUG) NSLog((frmt), ##__VA_ARGS__); } while(0)
 
 // Specifies the maximum queue size of the logging thread.
-//
+// 
 // Since most logging is asynchronous, its possible for rogue threads to flood the logging queue.
 // That is, to issue an abundance of log statements faster than the logging thread can keepup.
 // Typically such a scenario occurs when log statements are added haphazardly within large loops,
 // but may also be possible if relatively slow loggers are being used.
-//
+// 
 // This property caps the queue size at a given number of outstanding log statements.
 // If a thread attempts to issue a log statement when the queue is already maxed out,
 // the issuing thread will block until the queue size drops below the max again.
@@ -69,26 +57,32 @@
 
 static void *const GlobalLoggingQueueIdentityKey = (void *)&GlobalLoggingQueueIdentityKey;
 
-@interface DDLoggerNode : NSObject
-{
-    // Direct accessors to be used only for performance
-    @public
-    id <DDLogger> _logger;
-    DDLogLevel _level;
-    dispatch_queue_t _loggerQueue;
+
+@interface DDLoggerNode : NSObject {
+@public 
+    id <DDLogger> logger;   
+    dispatch_queue_t loggerQueue;
+    int logLevel;
 }
 
-@property (nonatomic, readonly) id <DDLogger> logger;
-@property (nonatomic, readonly) DDLogLevel level;
-@property (nonatomic, readonly) dispatch_queue_t loggerQueue;
+@property (nonatomic, assign, readonly) int logLevel;
 
-+ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger
-                     loggerQueue:(dispatch_queue_t)loggerQueue
-                           level:(DDLogLevel)level;
++ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue logLevel:(int)logLevel;
 
 @end
 
 
+@interface DDLog (PrivateAPI)
+
++ (void)lt_addLogger:(id <DDLogger>)logger logLevel:(int)logLevel;
++ (void)lt_removeLogger:(id <DDLogger>)logger;
++ (void)lt_removeAllLoggers;
++ (NSArray *)lt_allLoggers;
++ (void)lt_log:(DDLogMessage *)logMessage;
++ (void)lt_flush;
+
+@end
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -97,21 +91,21 @@ static void *const GlobalLoggingQueueIdentityKey = (void *)&GlobalLoggingQueueId
 
 // An array used to manage all the individual loggers.
 // The array is only modified on the loggingQueue/loggingThread.
-static NSMutableArray *_loggers;
+static NSMutableArray *loggers;
 
 // All logging statements are added to the same queue to ensure FIFO operation.
-static dispatch_queue_t _loggingQueue;
+static dispatch_queue_t loggingQueue;
 
 // Individual loggers are executed concurrently per log statement.
 // Each logger has it's own associated queue, and a dispatch group is used for synchrnoization.
-static dispatch_group_t _loggingGroup;
+static dispatch_group_t loggingGroup;
 
 // In order to prevent to queue from growing infinitely large,
 // a maximum size is enforced (LOG_MAX_QUEUE_SIZE).
-static dispatch_semaphore_t _queueSemaphore;
+static dispatch_semaphore_t queueSemaphore;
 
 // Minor optimization for uniprocessor machines
-static NSUInteger _numProcessors;
+static unsigned int numProcessors;
 
 /**
  * The runtime sends initialize to each class in a program exactly one time just before the class,
@@ -120,76 +114,87 @@ static NSUInteger _numProcessors;
  * classes in a thread-safe manner. Superclasses receive this message before their subclasses.
  *
  * This method may also be called directly (assumably by accident), hence the safety mechanism.
- **/
-+ (void)initialize {
+**/
++ (void)initialize
+{
     static dispatch_once_t DDLogOnceToken;
-
     dispatch_once(&DDLogOnceToken, ^{
-        _loggers = [[NSMutableArray alloc] initWithCapacity:4];
-
+        
+        loggers = [[NSMutableArray alloc] initWithCapacity:4];
+        
         NSLogDebug(@"DDLog: Using grand central dispatch");
-
-        _loggingQueue = dispatch_queue_create("cocoa.lumberjack", NULL);
-        _loggingGroup = dispatch_group_create();
-
+        
+        loggingQueue = dispatch_queue_create("cocoa.lumberjack", NULL);
+        loggingGroup = dispatch_group_create();
+        
         void *nonNullValue = GlobalLoggingQueueIdentityKey; // Whatever, just not null
-        dispatch_queue_set_specific(_loggingQueue, GlobalLoggingQueueIdentityKey, nonNullValue, NULL);
-
-        _queueSemaphore = dispatch_semaphore_create(LOG_MAX_QUEUE_SIZE);
-
+        dispatch_queue_set_specific(loggingQueue, GlobalLoggingQueueIdentityKey, nonNullValue, NULL);
+        
+        queueSemaphore = dispatch_semaphore_create(LOG_MAX_QUEUE_SIZE);
+        
         // Figure out how many processors are available.
         // This may be used later for an optimization on uniprocessor machines.
         
-        _numProcessors = MAX([NSProcessInfo processInfo].processorCount, 1);
-
-        NSLogDebug(@"DDLog: numProcessors = %@", @(_numProcessors));
-
-
-#if TARGET_OS_IOS
+        host_basic_info_data_t hostInfo;
+        mach_msg_type_number_t infoCount;
+        
+        infoCount = HOST_BASIC_INFO_COUNT;
+        host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo, &infoCount);
+        
+        unsigned int result = (unsigned int)(hostInfo.max_cpus);
+        unsigned int one    = (unsigned int)(1);
+        
+        numProcessors = MAX(result, one);
+        
+        NSLogDebug(@"DDLog: numProcessors = %u", numProcessors);
+        
+        
+#if TARGET_OS_IPHONE
         NSString *notificationName = @"UIApplicationWillTerminateNotification";
 #else
         NSString *notificationName = nil;
-
+        
         // On Command Line Tool apps AppKit may not be avaliable
 #ifdef NSAppKitVersionNumber10_0
-
         if (NSApp) {
             notificationName = @"NSApplicationWillTerminateNotification";
         }
-
 #endif
-
-        if (!notificationName) {
+        
+        if (! notificationName)
+        {
             // If there is no NSApp -> we are running Command Line Tool app.
             // In this case terminate notification wouldn't be fired, so we use workaround.
-            atexit_b (^{
+            atexit_b(^{
                 [self applicationWillTerminate:nil];
             });
         }
-
-#endif /* if TARGET_OS_IOS */
-
+#endif
+        
         if (notificationName) {
             [[NSNotificationCenter defaultCenter] addObserver:self
                                                      selector:@selector(applicationWillTerminate:)
                                                          name:notificationName
                                                        object:nil];
         }
+        
     });
 }
 
 /**
  * Provides access to the logging queue.
- **/
-+ (dispatch_queue_t)loggingQueue {
-    return _loggingQueue;
+**/
++ (dispatch_queue_t)loggingQueue
+{
+    return loggingQueue;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Notifications
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-+ (void)applicationWillTerminate:(NSNotification * __attribute__((unused)))notification {
++ (void)applicationWillTerminate:(NSNotification *)notification
+{
     [self flushLog];
 }
 
@@ -197,594 +202,633 @@ static NSUInteger _numProcessors;
 #pragma mark Logger Management
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-+ (void)addLogger:(id <DDLogger>)logger {
-    [self addLogger:logger withLevel:DDLogLevelAll]; // DDLogLevelAll has all bits set
++ (void)addLogger:(id <DDLogger>)logger
+{
+    [self addLogger:logger withLogLevel:LOG_LEVEL_ALL]; // LOG_LEVEL_ALL has all bits set
 }
 
-+ (void)addLogger:(id <DDLogger>)logger withLevel:(DDLogLevel)level {
-    if (!logger) {
-        return;
-    }
-
-    dispatch_async(_loggingQueue, ^{ @autoreleasepool {
-                                        [self lt_addLogger:logger level:level];
-                                    } });
++ (void)addLogger:(id <DDLogger>)logger withLogLevel:(int)logLevel
+{
+    if (logger == nil) return;
+    
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_addLogger:logger logLevel:logLevel];
+    }});
 }
 
-+ (void)removeLogger:(id <DDLogger>)logger {
-    if (!logger) {
-        return;
-    }
-
-    dispatch_async(_loggingQueue, ^{ @autoreleasepool {
-                                        [self lt_removeLogger:logger];
-                                    } });
++ (void)removeLogger:(id <DDLogger>)logger
+{
+    if (logger == nil) return;
+    
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_removeLogger:logger];
+    }});
 }
 
-+ (void)removeAllLoggers {
-    dispatch_async(_loggingQueue, ^{ @autoreleasepool {
-                                        [self lt_removeAllLoggers];
-                                    } });
++ (void)removeAllLoggers
+{
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_removeAllLoggers];
+    }});
 }
 
-+ (NSArray *)allLoggers {
++ (NSArray *)allLoggers
+{
     __block NSArray *theLoggers;
 
-    dispatch_sync(_loggingQueue, ^{ @autoreleasepool {
-                                       theLoggers = [self lt_allLoggers];
-                                   } });
+    dispatch_sync(loggingQueue, ^{ @autoreleasepool {
+        theLoggers = [self lt_allLoggers];
+    }});
 
     return theLoggers;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-#pragma mark - Master Logging
+#pragma mark Master Logging
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-+ (void)queueLogMessage:(DDLogMessage *)logMessage asynchronously:(BOOL)asyncFlag {
++ (void)queueLogMessage:(DDLogMessage *)logMessage asynchronously:(BOOL)asyncFlag
+{
     // We have a tricky situation here...
-    //
+    // 
     // In the common case, when the queueSize is below the maximumQueueSize,
     // we want to simply enqueue the logMessage. And we want to do this as fast as possible,
     // which means we don't want to block and we don't want to use any locks.
-    //
+    // 
     // However, if the queueSize gets too big, we want to block.
     // But we have very strict requirements as to when we block, and how long we block.
-    //
+    // 
     // The following example should help illustrate our requirements:
-    //
+    // 
     // Imagine that the maximum queue size is configured to be 5,
     // and that there are already 5 log messages queued.
     // Let us call these 5 queued log messages A, B, C, D, and E. (A is next to be executed)
-    //
+    // 
     // Now if our thread issues a log statement (let us call the log message F),
     // it should block before the message is added to the queue.
     // Furthermore, it should be unblocked immediately after A has been unqueued.
-    //
+    // 
     // The requirements are strict in this manner so that we block only as long as necessary,
     // and so that blocked threads are unblocked in the order in which they were blocked.
-    //
+    // 
     // Returning to our previous example, let us assume that log messages A through E are still queued.
     // Our aforementioned thread is blocked attempting to queue log message F.
     // Now assume we have another separate thread that attempts to issue log message G.
     // It should block until log messages A and B have been unqueued.
-
-
+    
+    
     // We are using a counting semaphore provided by GCD.
     // The semaphore is initialized with our LOG_MAX_QUEUE_SIZE value.
     // Everytime we want to queue a log message we decrement this value.
     // If the resulting value is less than zero,
     // the semaphore function waits in FIFO order for a signal to occur before returning.
-    //
+    // 
     // A dispatch semaphore is an efficient implementation of a traditional counting semaphore.
     // Dispatch semaphores call down to the kernel only when the calling thread needs to be blocked.
     // If the calling semaphore does not need to block, no kernel call is made.
-
-    dispatch_semaphore_wait(_queueSemaphore, DISPATCH_TIME_FOREVER);
-
+    
+    dispatch_semaphore_wait(queueSemaphore, DISPATCH_TIME_FOREVER);
+    
     // We've now sure we won't overflow the queue.
     // It is time to queue our log message.
-
-    dispatch_block_t logBlock = ^{
-        @autoreleasepool {
-            [self lt_log:logMessage];
-        }
-    };
-
-    if (asyncFlag) {
-        dispatch_async(_loggingQueue, logBlock);
-    } else {
-        dispatch_sync(_loggingQueue, logBlock);
-    }
+    
+    dispatch_block_t logBlock = ^{ @autoreleasepool {
+        
+        [self lt_log:logMessage];
+    }};
+    
+    if (asyncFlag)
+        dispatch_async(loggingQueue, logBlock);
+    else
+        dispatch_sync(loggingQueue, logBlock);
 }
 
 + (void)log:(BOOL)asynchronous
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
        file:(const char *)file
    function:(const char *)function
-       line:(NSUInteger)line
+       line:(int)line
         tag:(id)tag
-     format:(NSString *)format, ... {
+     format:(NSString *)format, ...
+{
     va_list args;
-    
-    if (format) {
+    if (format)
+    {
         va_start(args, format);
         
-        NSString *message = [[NSString alloc] initWithFormat:format arguments:args];
-        [self log:asynchronous
-          message:message
-            level:level
-             flag:flag
-          context:context
-             file:file
-         function:function
-             line:line
-              tag:tag];
-
+        NSString *logMsg = [[NSString alloc] initWithFormat:format arguments:args];
+        DDLogMessage *logMessage = [[DDLogMessage alloc] initWithLogMsg:logMsg
+                                                                  level:level
+                                                                   flag:flag
+                                                                context:context
+                                                                   file:file
+                                                               function:function
+                                                                   line:line
+                                                                    tag:tag
+                                                                options:0];
+        
+        [self queueLogMessage:logMessage asynchronously:asynchronous];
+        
         va_end(args);
     }
 }
 
 + (void)log:(BOOL)asynchronous
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
        file:(const char *)file
    function:(const char *)function
-       line:(NSUInteger)line
+       line:(int)line
         tag:(id)tag
      format:(NSString *)format
-       args:(va_list)args {
-    
-    if (format) {
-        NSString *message = [[NSString alloc] initWithFormat:format arguments:args];
-        [self log:asynchronous
-          message:message
-            level:level
-             flag:flag
-          context:context
-             file:file
-         function:function
-             line:line
-              tag:tag];
+       args:(va_list)args
+{
+    if (format)
+    {
+        NSString *logMsg = [[NSString alloc] initWithFormat:format arguments:args];
+        DDLogMessage *logMessage = [[DDLogMessage alloc] initWithLogMsg:logMsg
+                                                                  level:level
+                                                                   flag:flag
+                                                                context:context
+                                                                   file:file
+                                                               function:function
+                                                                   line:line
+                                                                    tag:tag
+                                                                options:0];
+        
+        [self queueLogMessage:logMessage asynchronously:asynchronous];
     }
 }
 
 + (void)log:(BOOL)asynchronous
-    message:(NSString *)message
-      level:(DDLogLevel)level
-       flag:(DDLogFlag)flag
-    context:(NSInteger)context
-       file:(const char *)file
-   function:(const char *)function
-       line:(NSUInteger)line
-        tag:(id)tag {
-    
-    DDLogMessage *logMessage = [[DDLogMessage alloc] initWithMessage:message
-                                                               level:level
-                                                                flag:flag
-                                                             context:context
-                                                                file:[NSString stringWithFormat:@"%s", file]
-                                                            function:[NSString stringWithFormat:@"%s", function]
-                                                                line:line
-                                                                 tag:tag
-                                                             options:(DDLogMessageOptions)0
-                                                           timestamp:nil];
-    
+    message:(DDLogMessage *)logMessage
+{
     [self queueLogMessage:logMessage asynchronously:asynchronous];
 }
 
-+ (void)log:(BOOL)asynchronous
-    message:(DDLogMessage *)logMessage {
-    [self queueLogMessage:logMessage asynchronously:asynchronous];
-}
-
-+ (void)flushLog {
-    dispatch_sync(_loggingQueue, ^{ @autoreleasepool {
-                                       [self lt_flush];
-                                   } });
++ (void)flushLog
+{
+    dispatch_sync(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_flush];
+    }});
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Registered Dynamic Logging
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-+ (BOOL)isRegisteredClass:(Class)class {
++ (BOOL)isRegisteredClass:(Class)class
+{
     SEL getterSel = @selector(ddLogLevel);
     SEL setterSel = @selector(ddSetLogLevel:);
-
-#if TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR
-
+    
+#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+    
     // Issue #6 (GoogleCode) - Crashes on iOS 4.2.1 and iPhone 4
-    //
+    // 
     // Crash caused by class_getClassMethod(2).
-    //
+    // 
     //     "It's a bug with UIAccessibilitySafeCategory__NSObject so it didn't pop up until
     //      users had VoiceOver enabled [...]. I was able to work around it by searching the
     //      result of class_copyMethodList() instead of calling class_getClassMethod()"
-
+    
     BOOL result = NO;
-
+    
     unsigned int methodCount, i;
     Method *methodList = class_copyMethodList(object_getClass(class), &methodCount);
-
-    if (methodList != NULL) {
+    
+    if (methodList != NULL)
+    {
         BOOL getterFound = NO;
         BOOL setterFound = NO;
-
-        for (i = 0; i < methodCount; ++i) {
+        
+        for (i = 0; i < methodCount; ++i)
+        {
             SEL currentSel = method_getName(methodList[i]);
-
-            if (currentSel == getterSel) {
+            
+            if (currentSel == getterSel)
+            {
                 getterFound = YES;
-            } else if (currentSel == setterSel) {
+            }
+            else if (currentSel == setterSel)
+            {
                 setterFound = YES;
             }
-
-            if (getterFound && setterFound) {
+            
+            if (getterFound && setterFound)
+            {
                 result = YES;
                 break;
             }
         }
-
+        
         free(methodList);
     }
-
+    
     return result;
-
-#else /* if TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR */
-
+    
+#else
+    
     // Issue #24 (GitHub) - Crashing in in ARC+Simulator
-    //
+    // 
     // The method +[DDLog isRegisteredClass] will crash a project when using it with ARC + Simulator.
     // For running in the Simulator, it needs to execute the non-iOS code.
-
+    
     Method getter = class_getClassMethod(class, getterSel);
     Method setter = class_getClassMethod(class, setterSel);
-
-    if ((getter != NULL) && (setter != NULL)) {
+    
+    if ((getter != NULL) && (setter != NULL))
+    {
         return YES;
     }
-
+    
     return NO;
-
-#endif /* if TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR */
+    
+#endif
 }
 
-+ (NSArray *)registeredClasses {
-
++ (NSArray *)registeredClasses
+{
+    NSUInteger numClasses, i;
+    
     // We're going to get the list of all registered classes.
     // The Objective-C runtime library automatically registers all the classes defined in your source code.
-    //
+    // 
     // To do this we use the following method (documented in the Objective-C Runtime Reference):
-    //
+    // 
     // int objc_getClassList(Class *buffer, int bufferLen)
-    //
+    // 
     // We can pass (NULL, 0) to obtain the total number of
     // registered class definitions without actually retrieving any class definitions.
     // This allows us to allocate the minimum amount of memory needed for the application.
-
-    NSUInteger numClasses = 0;
-    Class *classes = NULL;
-
-    while (numClasses == 0) {
-
-        numClasses = (NSUInteger)MAX(objc_getClassList(NULL, 0), 0);
-
-        // numClasses now tells us how many classes we have (but it might change)
-        // So we can allocate our buffer, and get pointers to all the class definitions.
-
-        NSUInteger bufferSize = numClasses;
-
-        classes = numClasses ? (Class *)malloc(sizeof(Class) * bufferSize) : NULL;
-        if (classes == NULL) {
-            return nil; //no memory or classes?
-        }
-
-        numClasses = (NSUInteger)MAX(objc_getClassList(classes, (int)bufferSize),0);
-
-        if (numClasses > bufferSize || numClasses == 0) {
-            //apparently more classes added between calls (or a problem); try again
-            free(classes);
-            numClasses = 0;
-        }
-    }
-
+    
+    numClasses = (NSUInteger)MAX(objc_getClassList(NULL, 0), 0);
+    
+    // The numClasses method now tells us how many classes we have.
+    // So we can allocate our buffer, and get pointers to all the class definitions.
+    
+    Class *classes = numClasses ? (Class *)malloc(sizeof(Class) * numClasses) : NULL;
+    if (classes == NULL) return nil;
+    
+    numClasses = (NSUInteger)MAX(objc_getClassList(classes, (int)numClasses), 0);
+    
     // We can now loop through the classes, and test each one to see if it is a DDLogging class.
-
+    
     NSMutableArray *result = [NSMutableArray arrayWithCapacity:numClasses];
-
-    for (NSUInteger i = 0; i < numClasses; i++) {
+    
+    for (i = 0; i < numClasses; i++)
+    {
         Class class = classes[i];
-
-        if ([self isRegisteredClass:class]) {
+        
+        if ([self isRegisteredClass:class])
+        {
             [result addObject:class];
         }
     }
-
+    
     free(classes);
-
+    
     return result;
 }
 
-+ (NSArray *)registeredClassNames {
++ (NSArray *)registeredClassNames
+{
     NSArray *registeredClasses = [self registeredClasses];
     NSMutableArray *result = [NSMutableArray arrayWithCapacity:[registeredClasses count]];
-
-    for (Class class in registeredClasses) {
+    
+    for (Class class in registeredClasses)
+    {
         [result addObject:NSStringFromClass(class)];
     }
+    
     return result;
 }
 
-+ (DDLogLevel)levelForClass:(Class)aClass {
-    if ([self isRegisteredClass:aClass]) {
++ (int)logLevelForClass:(Class)aClass
+{
+    if ([self isRegisteredClass:aClass])
+    {
         return [aClass ddLogLevel];
     }
-    return (DDLogLevel)-1;
+    
+    return -1;
 }
 
-+ (DDLogLevel)levelForClassWithName:(NSString *)aClassName {
++ (int)logLevelForClassWithName:(NSString *)aClassName
+{
     Class aClass = NSClassFromString(aClassName);
-
-    return [self levelForClass:aClass];
+    
+    return [self logLevelForClass:aClass];
 }
 
-+ (void)setLevel:(DDLogLevel)level forClass:(Class)aClass {
-    if ([self isRegisteredClass:aClass]) {
-        [aClass ddSetLogLevel:level];
++ (void)setLogLevel:(int)logLevel forClass:(Class)aClass
+{
+    if ([self isRegisteredClass:aClass])
+    {
+        [aClass ddSetLogLevel:logLevel];
     }
 }
 
-+ (void)setLevel:(DDLogLevel)level forClassWithName:(NSString *)aClassName {
++ (void)setLogLevel:(int)logLevel forClassWithName:(NSString *)aClassName
+{
     Class aClass = NSClassFromString(aClassName);
-    [self setLevel:level forClass:aClass];
+    
+    [self setLogLevel:logLevel forClass:aClass];
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Logging Thread
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-+ (void)lt_addLogger:(id <DDLogger>)logger level:(DDLogLevel)level {
++ (void)lt_addLogger:(id <DDLogger>)logger logLevel:(int)logLevel
+{
     // Add to loggers array.
     // Need to create loggerQueue if loggerNode doesn't provide one.
 
     NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
-
+            @"This method should only be run on the logging thread/queue");
+    
     dispatch_queue_t loggerQueue = NULL;
-
-    if ([logger respondsToSelector:@selector(loggerQueue)]) {
+    
+    if ([logger respondsToSelector:@selector(loggerQueue)])
+    {
         // Logger may be providing its own queue
-
+        
         loggerQueue = [logger loggerQueue];
     }
-
-    if (loggerQueue == nil) {
+    
+    if (loggerQueue == nil)
+    {
         // Automatically create queue for the logger.
         // Use the logger name as the queue name if possible.
-
+        
         const char *loggerQueueName = NULL;
-
-        if ([logger respondsToSelector:@selector(loggerName)]) {
+        if ([logger respondsToSelector:@selector(loggerName)])
+        {
             loggerQueueName = [[logger loggerName] UTF8String];
         }
-
+        
         loggerQueue = dispatch_queue_create(loggerQueueName, NULL);
     }
-
-    DDLoggerNode *loggerNode = [DDLoggerNode nodeWithLogger:logger loggerQueue:loggerQueue level:level];
-    [_loggers addObject:loggerNode];
-
-    if ([logger respondsToSelector:@selector(didAddLogger)]) {
-        dispatch_async(loggerNode->_loggerQueue, ^{ @autoreleasepool {
+    
+    DDLoggerNode *loggerNode = [DDLoggerNode nodeWithLogger:logger loggerQueue:loggerQueue logLevel:logLevel];
+    [loggers addObject:loggerNode];
+    
+    if ([logger respondsToSelector:@selector(didAddLogger)])
+    {
+        dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+            
             [logger didAddLogger];
-        } });
+        }});
     }
 }
 
-+ (void)lt_removeLogger:(id <DDLogger>)logger {
++ (void)lt_removeLogger:(id <DDLogger>)logger
+{
     // Find associated loggerNode in list of added loggers
 
     NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
-
+            @"This method should only be run on the logging thread/queue");
+    
     DDLoggerNode *loggerNode = nil;
-
-    for (DDLoggerNode *node in _loggers) {
-        if (node->_logger == logger) {
+    
+    for (DDLoggerNode *node in loggers)
+    {
+        if (node->logger == logger)
+        {
             loggerNode = node;
             break;
         }
     }
     
-    if (loggerNode == nil) {
+    if (loggerNode == nil)
+    {
         NSLogDebug(@"DDLog: Request to remove logger which wasn't added");
         return;
     }
     
     // Notify logger
-    if ([logger respondsToSelector:@selector(willRemoveLogger)]) {
-        dispatch_async(loggerNode->_loggerQueue, ^{ @autoreleasepool {
+    
+    if ([logger respondsToSelector:@selector(willRemoveLogger)])
+    {
+        dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+            
             [logger willRemoveLogger];
-        } });
+        }});
     }
     
     // Remove from loggers array
-    [_loggers removeObject:loggerNode];
+    
+    [loggers removeObject:loggerNode];
 }
 
-+ (void)lt_removeAllLoggers {
-    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
-    
++ (void)lt_removeAllLoggers
+{
     // Notify all loggers
-    for (DDLoggerNode *loggerNode in _loggers) {
-        if ([loggerNode->_logger respondsToSelector:@selector(willRemoveLogger)]) {
-            dispatch_async(loggerNode->_loggerQueue, ^{ @autoreleasepool {
-                [loggerNode->_logger willRemoveLogger];
-            } });
+    
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        if ([loggerNode->logger respondsToSelector:@selector(willRemoveLogger)])
+        {
+            dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger willRemoveLogger];
+            }});
         }
     }
     
     // Remove all loggers from array
-
-    [_loggers removeAllObjects];
+    
+    [loggers removeAllObjects];
 }
 
-+ (NSArray *)lt_allLoggers {
++ (NSArray *)lt_allLoggers
+{
     NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
+            @"This method should only be run on the logging thread/queue");
 
     NSMutableArray *theLoggers = [NSMutableArray new];
 
-    for (DDLoggerNode *loggerNode in _loggers) {
-        [theLoggers addObject:loggerNode->_logger];
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        [theLoggers addObject:loggerNode->logger];
     }
 
     return [theLoggers copy];
 }
 
-+ (void)lt_log:(DDLogMessage *)logMessage {
++ (void)lt_log:(DDLogMessage *)logMessage
+{
     // Execute the given log message on each of our loggers.
 
     NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
-
-    if (_numProcessors > 1) {
+            @"This method should only be run on the logging thread/queue");
+    
+    if (numProcessors > 1)
+    {
         // Execute each logger concurrently, each within its own queue.
         // All blocks are added to same group.
         // After each block has been queued, wait on group.
-        //
+        // 
         // The waiting ensures that a slow logger doesn't end up with a large queue of pending log messages.
         // This would defeat the purpose of the efforts we made earlier to restrict the max queue size.
+        
+        for (DDLoggerNode *loggerNode in loggers)
+        {
+            // skip the loggers that shouldn't write this message based on the logLevel
 
-        for (DDLoggerNode *loggerNode in _loggers) {
-            // skip the loggers that shouldn't write this message based on the log level
-
-            if (!(logMessage->_flag & loggerNode->_level)) {
+            if (!(logMessage->logFlag & loggerNode.logLevel))
                 continue;
-            }
+
+            dispatch_group_async(loggingGroup, loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger logMessage:logMessage];
             
-            dispatch_group_async(_loggingGroup, loggerNode->_loggerQueue, ^{ @autoreleasepool {
-                [loggerNode->_logger logMessage:logMessage];
-            } });
+            }});
         }
         
-        dispatch_group_wait(_loggingGroup, DISPATCH_TIME_FOREVER);
-    } else {
+        dispatch_group_wait(loggingGroup, DISPATCH_TIME_FOREVER);
+    }
+    else
+    {
         // Execute each logger serialy, each within its own queue.
         
-        for (DDLoggerNode *loggerNode in _loggers) {
-            // skip the loggers that shouldn't write this message based on the log level
-
-            if (!(logMessage->_flag & loggerNode->_level)) {
-                continue;
-            }
+        for (DDLoggerNode *loggerNode in loggers)
+        {
+            // skip the loggers that shouldn't write this message based on the logLevel
             
-            dispatch_sync(loggerNode->_loggerQueue, ^{ @autoreleasepool {
-                [loggerNode->_logger logMessage:logMessage];
-            } });
+            if (!(logMessage->logFlag & loggerNode.logLevel))
+                continue;
+
+            dispatch_sync(loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger logMessage:logMessage];
+                
+            }});
         }
     }
-
+    
     // If our queue got too big, there may be blocked threads waiting to add log messages to the queue.
     // Since we've now dequeued an item from the log, we may need to unblock the next thread.
-
+    
     // We are using a counting semaphore provided by GCD.
     // The semaphore is initialized with our LOG_MAX_QUEUE_SIZE value.
     // When a log message is queued this value is decremented.
     // When a log message is dequeued this value is incremented.
     // If the value ever drops below zero,
     // the queueing thread blocks and waits in FIFO order for us to signal it.
-    //
+    // 
     // A dispatch semaphore is an efficient implementation of a traditional counting semaphore.
     // Dispatch semaphores call down to the kernel only when the calling thread needs to be blocked.
     // If the calling semaphore does not need to block, no kernel call is made.
-
-    dispatch_semaphore_signal(_queueSemaphore);
+    
+    dispatch_semaphore_signal(queueSemaphore);
 }
 
-+ (void)lt_flush {
++ (void)lt_flush
+{
     // All log statements issued before the flush method was invoked have now been executed.
-    //
+    // 
     // Now we need to propogate the flush request to any loggers that implement the flush method.
     // This is designed for loggers that buffer IO.
-    
+
     NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
-             @"This method should only be run on the logging thread/queue");
-    
-    for (DDLoggerNode *loggerNode in _loggers) {
-        if ([loggerNode->_logger respondsToSelector:@selector(flush)]) {
-            dispatch_group_async(_loggingGroup, loggerNode->_loggerQueue, ^{ @autoreleasepool {
-                [loggerNode->_logger flush];
-            } });
+            @"This method should only be run on the logging thread/queue");
+        
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        if ([loggerNode->logger respondsToSelector:@selector(flush)])
+        {
+            dispatch_group_async(loggingGroup, loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger flush];
+                
+            }});
         }
     }
     
-    dispatch_group_wait(_loggingGroup, DISPATCH_TIME_FOREVER);
+    dispatch_group_wait(loggingGroup, DISPATCH_TIME_FOREVER);
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark Utilities
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
-    if (filePath == NULL) {
-        return nil;
-    }
-
+NSString *DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy)
+{
+    if (filePath == NULL) return nil;
+    
     char *lastSlash = NULL;
     char *lastDot = NULL;
-
+    
     char *p = (char *)filePath;
-
-    while (*p != '\0') {
-        if (*p == '/') {
+    
+    while (*p != '\0')
+    {
+        if (*p == '/')
             lastSlash = p;
-        } else if (*p == '.') {
+        else if (*p == '.')
             lastDot = p;
-        }
-
+        
         p++;
     }
-
+    
     char *subStr;
     NSUInteger subLen;
-
-    if (lastSlash) {
-        if (lastDot) {
+    
+    if (lastSlash)
+    {
+        if (lastDot)
+        {
             // lastSlash -> lastDot
             subStr = lastSlash + 1;
             subLen = (NSUInteger)(lastDot - subStr);
-        } else {
+        }
+        else
+        {
             // lastSlash -> endOfString
             subStr = lastSlash + 1;
             subLen = (NSUInteger)(p - subStr);
         }
-    } else {
-        if (lastDot) {
+    }
+    else
+    {
+        if (lastDot)
+        {
             // startOfString -> lastDot
             subStr = (char *)filePath;
             subLen = (NSUInteger)(lastDot - subStr);
-        } else {
+        }
+        else
+        {
             // startOfString -> endOfString
             subStr = (char *)filePath;
             subLen = (NSUInteger)(p - subStr);
         }
     }
-
-    if (copy) {
+    
+    if (copy)
+    {
         return [[NSString alloc] initWithBytes:subStr
                                         length:subLen
                                       encoding:NSUTF8StringEncoding];
-    } else {
+    }
+    else
+    {
         // We can take advantage of the fact that __FILE__ is a string literal.
         // Specifically, we don't need to waste time copying the string.
         // We can just tell NSString to point to a range within the string literal.
-
+        
         return [[NSString alloc] initWithBytesNoCopy:subStr
                                               length:subLen
                                             encoding:NSUTF8StringEncoding
@@ -800,31 +844,34 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
 
 @implementation DDLoggerNode
 
-- (instancetype)initWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue level:(DDLogLevel)level {
-    if ((self = [super init])) {
-        _logger = logger;
+@synthesize logLevel;
 
-        if (loggerQueue) {
-            _loggerQueue = loggerQueue;
+- (instancetype)initWithLogger:(id <DDLogger>)aLogger loggerQueue:(dispatch_queue_t)aLoggerQueue logLevel:(int)aLogLevel
+{
+    if ((self = [super init]))
+    {
+        logger = aLogger;
+        
+        if (aLoggerQueue) {
+            loggerQueue = aLoggerQueue;
             #if !OS_OBJECT_USE_OBJC
             dispatch_retain(loggerQueue);
             #endif
         }
-
-        _level = level;
+        logLevel = aLogLevel;
     }
     return self;
 }
 
-+ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue level:(DDLogLevel)level {
-    return [[DDLoggerNode alloc] initWithLogger:logger loggerQueue:loggerQueue level:level];
++ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue logLevel:(int)logLevel
+{
+    return [[DDLoggerNode alloc] initWithLogger:logger loggerQueue:loggerQueue logLevel:logLevel];
 }
 
-- (void)dealloc {
+- (void)dealloc
+{
     #if !OS_OBJECT_USE_OBJC
-    if (_loggerQueue) {
-        dispatch_release(_loggerQueue);
-    }
+    if (loggerQueue) dispatch_release(loggerQueue);
     #endif
 }
 
@@ -836,6 +883,19 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
 
 @implementation DDLogMessage
 
+static char *dd_str_copy(const char *str)
+{
+    if (str == NULL) return NULL;
+    
+    size_t length = strlen(str);
+    char * result = malloc(length + 1);
+    if (result == NULL) return NULL;
+    strncpy(result, str, length);
+    result[length] = 0;
+    
+    return result;
+}
+
 // Can we use DISPATCH_CURRENT_QUEUE_LABEL ?
 // Can we use dispatch_get_current_queue (without it crashing) ?
 //
@@ -847,173 +907,197 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
 //    dispatch_get_current_queue(void);
 //      __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_6,__MAC_10_9,__IPHONE_4_0,__IPHONE_6_0)
 
-#if TARGET_OS_IOS
+#if TARGET_OS_IPHONE
 
-// Compiling for iOS
+  // Compiling for iOS
 
     #define USE_DISPATCH_CURRENT_QUEUE_LABEL ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)
-    #define USE_DISPATCH_GET_CURRENT_QUEUE   ([[[UIDevice currentDevice] systemVersion] floatValue] >= 6.1)
-
-#elif TARGET_OS_WATCH || TARGET_OS_TV
-
-// Compiling for watchOS, tvOS
-
-#define USE_DISPATCH_CURRENT_QUEUE_LABEL YES
-#define USE_DISPATCH_GET_CURRENT_QUEUE   YES
+    #define USE_DISPATCH_GET_CURRENT_QUEUE ([[[UIDevice currentDevice] systemVersion] floatValue] >= 6.1)
 
 #else
 
-// Compiling for Mac OS X
+  // Compiling for Mac OS X
 
   #ifndef MAC_OS_X_VERSION_10_9
-    #define MAC_OS_X_VERSION_10_9            1090
+    #define MAC_OS_X_VERSION_10_9 1090
   #endif
 
   #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9 // Mac OS X 10.9 or later required
 
-    #define USE_DISPATCH_CURRENT_QUEUE_LABEL YES
-    #define USE_DISPATCH_GET_CURRENT_QUEUE   NO
+    #define USE_DISPATCH_CURRENT_QUEUE_LABEL  YES
+    #define USE_DISPATCH_GET_CURRENT_QUEUE    NO
 
   #else
 
-    #define USE_DISPATCH_CURRENT_QUEUE_LABEL ([NSTimer instancesRespondToSelector : @selector(tolerance)]) // OS X 10.9+
-    #define USE_DISPATCH_GET_CURRENT_QUEUE   (![NSTimer instancesRespondToSelector : @selector(tolerance)]) // < OS X 10.9
+    #define USE_DISPATCH_CURRENT_QUEUE_LABEL ([NSTimer instancesRespondToSelector:@selector(tolerance)]) // OS X 10.9+
+    #define USE_DISPATCH_GET_CURRENT_QUEUE  (![NSTimer instancesRespondToSelector:@selector(tolerance)]) // < OS X 10.9
 
   #endif
 
-#endif /* if TARGET_OS_IOS */
+#endif
 
-// Should we use pthread_threadid_np ?
-// With iOS 8+/OSX 10.10+ NSLog uses pthread_threadid_np instead of pthread_mach_thread_np
-
-#if TARGET_OS_IOS
-
-// Compiling for iOS
-
-  #ifndef kCFCoreFoundationVersionNumber_iOS_8_0
-    #define kCFCoreFoundationVersionNumber_iOS_8_0 1140.10
-  #endif
-
-    #define USE_PTHREAD_THREADID_NP                (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iOS_8_0)
-
-#elif TARGET_OS_WATCH || TARGET_OS_TV
-
-// Compiling for watchOS, tvOS
-
-#define USE_PTHREAD_THREADID_NP                    YES
-
-#else
-
-// Compiling for Mac OS X
-
-  #ifndef kCFCoreFoundationVersionNumber10_10
-    #define kCFCoreFoundationVersionNumber10_10    1151.16
-  #endif
-
-    #define USE_PTHREAD_THREADID_NP                (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber10_10)
-
-#endif /* if TARGET_OS_IOS */
-
-- (instancetype)initWithMessage:(NSString *)message
-                          level:(DDLogLevel)level
-                           flag:(DDLogFlag)flag
-                        context:(NSInteger)context
-                           file:(NSString *)file
-                       function:(NSString *)function
-                           line:(NSUInteger)line
-                            tag:(id)tag
-                        options:(DDLogMessageOptions)options
-                      timestamp:(NSDate *)timestamp {
-    if ((self = [super init])) {
-        _message      = [message copy];
-        _level        = level;
-        _flag         = flag;
-        _context      = context;
-
-        BOOL copyFile = (options & DDLogMessageCopyFile) == DDLogMessageCopyFile;
-        _file = copyFile ? [file copy] : file;
-
-        BOOL copyFunction = (options & DDLogMessageCopyFunction) == DDLogMessageCopyFunction;
-        _function = copyFunction ? [function copy] : function;
-
-        _line         = line;
-        _tag          = tag;
-        _options      = options;
-        _timestamp    = timestamp ?: [NSDate new];
-
-        if (USE_PTHREAD_THREADID_NP) {
-            __uint64_t tid;
-            pthread_threadid_np(NULL, &tid);
-            _threadID = [[NSString alloc] initWithFormat:@"%llu", tid];
-        } else {
-            _threadID = [[NSString alloc] initWithFormat:@"%x", pthread_mach_thread_np(pthread_self())];
-        }
-        _threadName   = NSThread.currentThread.name;
-
-        // Get the file name without extension
-        _fileName = [_file lastPathComponent];
-        NSUInteger dotLocation = [_fileName rangeOfString:@"." options:NSBackwardsSearch].location;
-        if (dotLocation != NSNotFound)
-        {
-            _fileName = [_fileName substringToIndex:dotLocation];
-        }
-        
-        // Try to get the current queue's label
-        if (USE_DISPATCH_CURRENT_QUEUE_LABEL) {
-            _queueLabel = [[NSString alloc] initWithFormat:@"%s", dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL)];
-        } else if (USE_DISPATCH_GET_CURRENT_QUEUE) {
-            #pragma clang diagnostic push
-            #pragma clang diagnostic ignored "-Wdeprecated-declarations"
-            dispatch_queue_t currentQueue = dispatch_get_current_queue();
-            #pragma clang diagnostic pop
-            _queueLabel = [[NSString alloc] initWithFormat:@"%s", dispatch_queue_get_label(currentQueue)];
-        } else {
-            _queueLabel = @""; // iOS 6.x only
-        }
-    }
-    return self;
+- (instancetype)initWithLogMsg:(NSString *)msg
+                         level:(int)level
+                          flag:(int)flag
+                       context:(int)context
+                          file:(const char *)aFile
+                      function:(const char *)aFunction
+                          line:(int)line
+                           tag:(id)aTag
+                       options:(DDLogMessageOptions)optionsMask
+{
+  return [self initWithLogMsg:msg
+                        level:level
+                         flag:flag
+                      context:context
+                         file:aFile
+                     function:aFunction
+                         line:line
+                          tag:aTag
+                      options:optionsMask
+                    timestamp:nil];
 }
 
-- (id)copyWithZone:(NSZone * __attribute__((unused)))zone {
-    DDLogMessage *newMessage = [DDLogMessage new];
-    
-    newMessage->_message = _message;
-    newMessage->_level = _level;
-    newMessage->_flag = _flag;
-    newMessage->_context = _context;
-    newMessage->_file = _file;
-    newMessage->_fileName = _fileName;
-    newMessage->_function = _function;
-    newMessage->_line = _line;
-    newMessage->_tag = _tag;
-    newMessage->_options = _options;
-    newMessage->_timestamp = _timestamp;
-    newMessage->_threadID = _threadID;
-    newMessage->_threadName = _threadName;
-    newMessage->_queueLabel = _queueLabel;
+- (instancetype)initWithLogMsg:(NSString *)msg
+                         level:(int)level
+                          flag:(int)flag
+                       context:(int)context
+                          file:(const char *)aFile
+                      function:(const char *)aFunction
+                          line:(int)line
+                           tag:(id)aTag
+                       options:(DDLogMessageOptions)optionsMask
+                     timestamp:(NSDate *)aTimestamp
+{
+  if ((self = [super init]))
+  {
+    logMsg     = msg;
+    logLevel   = level;
+    logFlag    = flag;
+    logContext = context;
+    lineNumber = line;
+    tag        = aTag;
+    options    = optionsMask;
 
+    if (options & DDLogMessageCopyFile)
+      file = dd_str_copy(aFile);
+    else
+      file = (char *)aFile;
+
+    if (options & DDLogMessageCopyFunction)
+      function = dd_str_copy(aFunction);
+    else
+      function = (char *)aFunction;
+
+    timestamp = aTimestamp;
+    if(timestamp == nil)
+      timestamp = [[NSDate alloc] init];
+
+    machThreadID = pthread_mach_thread_np(pthread_self());
+
+    // Try to get the current queue's label
+
+    if (USE_DISPATCH_CURRENT_QUEUE_LABEL)
+	{
+		queueLabel = dd_str_copy(dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL));
+	}
+	else if (USE_DISPATCH_GET_CURRENT_QUEUE)
+	{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+		dispatch_queue_t currentQueue = dispatch_get_current_queue();
+#pragma clang diagnostic pop
+
+		queueLabel = dd_str_copy(dispatch_queue_get_label(currentQueue));
+	}
+	else
+	{
+		queueLabel = dd_str_copy(""); // iOS 6.x only
+	}
+
+    threadName = [[NSThread currentThread] name];
+  }
+  return self;
+}
+
+- (NSString *)threadID
+{
+    return [[NSString alloc] initWithFormat:@"%x", machThreadID];
+}
+
+- (NSString *)fileName
+{
+    return DDExtractFileNameWithoutExtension(file, NO);
+}
+
+- (NSString *)methodName
+{
+    if (function == NULL)
+        return nil;
+    else
+        return [[NSString alloc] initWithUTF8String:function];
+}
+
+- (void)dealloc
+{
+    if (file && (options & DDLogMessageCopyFile))
+        free(file);
+
+    if (function && (options & DDLogMessageCopyFunction))
+        free(function);
+    
+    free(queueLabel);
+}
+
+
+- (id)copyWithZone:(NSZone *)zone {
+    DDLogMessage *newMessage = [[DDLogMessage alloc] init];
+    
+    newMessage->logLevel = self->logLevel;
+    newMessage->logFlag = self->logFlag;
+    newMessage->logContext = self->logContext;
+    newMessage->logMsg = self->logMsg;
+    newMessage->timestamp = self->timestamp;
+    
+    if (self->options & DDLogMessageCopyFile) {
+        newMessage->file = dd_str_copy(self->file);
+        newMessage->function = dd_str_copy(self->function);
+    } else {
+        newMessage->file = self->file;
+        newMessage->function = self->function;
+    }
+    
+    newMessage->lineNumber = self->lineNumber;
+    
+    newMessage->machThreadID = self->machThreadID;
+    newMessage->queueLabel = dd_str_copy(self->queueLabel);
+    newMessage->threadName = self->threadName;
+    newMessage->tag = self->tag;
+    newMessage->options = self->options;
+    
     return newMessage;
 }
 
 @end
 
-
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 #pragma mark -
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 @implementation DDAbstractLogger
 
-- (instancetype)init {
-    if ((self = [super init])) {
+- (id)init
+{
+    if ((self = [super init]))
+    {
         const char *loggerQueueName = NULL;
-
-        if ([self respondsToSelector:@selector(loggerName)]) {
+        if ([self respondsToSelector:@selector(loggerName)])
+        {
             loggerQueueName = [[self loggerName] UTF8String];
         }
-
-        _loggerQueue = dispatch_queue_create(loggerQueueName, NULL);
-
+        
+        loggerQueue = dispatch_queue_create(loggerQueueName, NULL);
+        
         // We're going to use dispatch_queue_set_specific() to "mark" our loggerQueue.
         // Later we can use dispatch_get_specific() to determine if we're executing on our loggerQueue.
         // The documentation states:
@@ -1027,37 +1111,35 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
         // which also works when multiple logger classes extend this class, as each will have a different "self" key.
         //
         // This is used primarily for thread-safety assertions (via the isOnInternalLoggerQueue method below).
-
+        
         void *key = (__bridge void *)self;
         void *nonNullValue = (__bridge void *)self;
-
-        dispatch_queue_set_specific(_loggerQueue, key, nonNullValue, NULL);
+        
+        dispatch_queue_set_specific(loggerQueue, key, nonNullValue, NULL);
     }
-
     return self;
 }
 
-- (void)dealloc {
+- (void)dealloc
+{
     #if !OS_OBJECT_USE_OBJC
-
-    if (_loggerQueue) {
-        dispatch_release(_loggerQueue);
-    }
-
+    if (loggerQueue) dispatch_release(loggerQueue);
     #endif
 }
 
-- (void)logMessage:(DDLogMessage * __attribute__((unused)))logMessage {
+- (void)logMessage:(DDLogMessage *)logMessage
+{
     // Override me
 }
 
-- (id <DDLogFormatter>)logFormatter {
+- (id <DDLogFormatter>)logFormatter
+{
     // This method must be thread safe and intuitive.
     // Therefore if somebody executes the following code:
-    //
+    // 
     // [logger setLogFormatter:myFormatter];
     // formatter = [logger logFormatter];
-    //
+    // 
     // They would expect formatter to equal myFormatter.
     // This functionality must be ensured by the getter and setter method.
     //
@@ -1072,7 +1154,7 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
     //
     // Note: The last time I benchmarked the performance of direct access vs atomic property access,
     // direct access was over twice as fast on the desktop and over 6 times as fast on the iPhone.
-    //
+    // 
     // Furthermore, consider the following code:
     //
     // DDLogVerbose(@"log msg 1");
@@ -1083,84 +1165,88 @@ NSString * DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy) {
     // Our intuitive requirement means that the new formatter will only apply to the 3rd log message.
     // This must remain true even when using asynchronous logging.
     // We must keep in mind the various queue's that are in play here:
-    //
+    // 
     // loggerQueue : Our own private internal queue that the logMessage method runs on.
     //               Operations are added to this queue from the global loggingQueue.
-    //
+    // 
     // globalLoggingQueue : The queue that all log messages go through before they arrive in our loggerQueue.
-    //
+    // 
     // All log statements go through the serial gloabalLoggingQueue before they arrive at our loggerQueue.
     // Thus this method also goes through the serial globalLoggingQueue to ensure intuitive operation.
-
+    
     // IMPORTANT NOTE:
-    //
+    // 
     // Methods within the DDLogger implementation MUST access the formatter ivar directly.
     // This method is designed explicitly for external access.
     //
     // Using "self." syntax to go through this method will cause immediate deadlock.
     // This is the intended result. Fix it by accessing the ivar directly.
     // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     __block id <DDLogFormatter> result;
-
+    
     dispatch_sync(globalLoggingQueue, ^{
-        dispatch_sync(_loggerQueue, ^{
-            result = _logFormatter;
+        dispatch_sync(loggerQueue, ^{
+            result = formatter;
         });
     });
-
+    
     return result;
 }
 
-- (void)setLogFormatter:(id <DDLogFormatter>)logFormatter {
+- (void)setLogFormatter:(id <DDLogFormatter>)logFormatter
+{
     // The design of this method is documented extensively in the logFormatter message (above in code).
-
+    
     NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
     NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
-
-    dispatch_block_t block = ^{
-        @autoreleasepool {
-            if (_logFormatter != logFormatter) {
-                if ([_logFormatter respondsToSelector:@selector(willRemoveFromLogger:)]) {
-                    [_logFormatter willRemoveFromLogger:self];
-                }
-
-                _logFormatter = logFormatter;
-
-                if ([_logFormatter respondsToSelector:@selector(didAddToLogger:)]) {
-                    [_logFormatter didAddToLogger:self];
-                }
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        if (formatter != logFormatter)
+        {
+            if ([formatter respondsToSelector:@selector(willRemoveFromLogger:)]) {
+                [formatter willRemoveFromLogger:self];
+            }
+            
+            formatter = logFormatter;
+            
+            if ([formatter respondsToSelector:@selector(didAddToLogger:)]) {
+                [formatter didAddToLogger:self];
             }
         }
-    };
-
+    }};
+    
     dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
-
+    
     dispatch_async(globalLoggingQueue, ^{
-        dispatch_async(_loggerQueue, block);
+        dispatch_async(loggerQueue, block);
     });
 }
 
-- (dispatch_queue_t)loggerQueue {
-    return _loggerQueue;
+- (dispatch_queue_t)loggerQueue
+{
+    return loggerQueue;
 }
 
-- (NSString *)loggerName {
+- (NSString *)loggerName
+{
     return NSStringFromClass([self class]);
 }
 
-- (BOOL)isOnGlobalLoggingQueue {
+- (BOOL)isOnGlobalLoggingQueue
+{
     return (dispatch_get_specific(GlobalLoggingQueueIdentityKey) != NULL);
 }
 
-- (BOOL)isOnInternalLoggerQueue {
+- (BOOL)isOnInternalLoggerQueue
+{
     void *key = (__bridge void *)self;
-
     return (dispatch_get_specific(key) != NULL);
 }
 
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.h b/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.h
new file mode 100755
index 0000000..c76f7a5
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.h
@@ -0,0 +1,188 @@
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+#import <UIKit/UIColor.h>   // iOS
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+#import <AppKit/NSColor.h>  // OS X with AppKit
+#else
+#import "CLIColor.h"        // OS X without AppKit
+#endif
+
+#import "DDLog.h"
+
+#define LOG_CONTEXT_ALL INT_MAX
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a logger for Terminal output or Xcode console output,
+ * depending on where you are running your code.
+ * 
+ * As described in the "Getting Started" page,
+ * the traditional NSLog() function directs it's output to two places:
+ * 
+ * - Apple System Log (so it shows up in Console.app)
+ * - StdErr (if stderr is a TTY, so log statements show up in Xcode console)
+ * 
+ * To duplicate NSLog() functionality you can simply add this logger and an asl logger.
+ * However, if you instead choose to use file logging (for faster performance),
+ * you may choose to use only a file logger and a tty logger.
+**/
+
+@interface DDTTYLogger : DDAbstractLogger <DDLogger>
+{
+    NSUInteger calendarUnitFlags;
+    
+    NSString *appName;
+    char *app;
+    size_t appLen;
+    
+    NSString *processID;
+    char *pid;
+    size_t pidLen;
+    
+    BOOL colorsEnabled;
+    NSMutableArray *colorProfilesArray;
+    NSMutableDictionary *colorProfilesDict;
+}
+
++ (instancetype)sharedInstance;
+
+/* Inherited from the DDLogger protocol:
+ * 
+ * Formatters may optionally be added to any logger.
+ * 
+ * If no formatter is set, the logger simply logs the message as it is given in logMessage,
+ * or it may use its own built in formatting style.
+ * 
+ * More information about formatters can be found here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * The actual implementation of these methods is inherited from DDAbstractLogger.
+
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+ 
+*/
+
+/**
+ * Want to use different colors for different log levels?
+ * Enable this property.
+ * 
+ * If you run the application via the Terminal (not Xcode),
+ * the logger will map colors to xterm-256color or xterm-color (if available).
+ * 
+ * Xcode does NOT natively support colors in the Xcode debugging console.
+ * You'll need to install the XcodeColors plugin to see colors in the Xcode console.
+ * https://github.com/robbiehanson/XcodeColors
+ * 
+ * The default value is NO.
+**/
+@property (readwrite, assign) BOOL colorsEnabled;
+
+/**
+ * When using a custom formatter you can set the logMessage method not to append
+ * '\n' character after each output. This allows for some greater flexibility with
+ * custom formatters. Default value is YES.
+ **/
+
+@property (readwrite, assign) BOOL automaticallyAppendNewlineForCustomFormatters;
+
+/**
+ * The default color set (foregroundColor, backgroundColor) is:
+ * 
+ * - LOG_FLAG_ERROR = (red, nil)
+ * - LOG_FLAG_WARN  = (orange, nil)
+ * 
+ * You can customize the colors however you see fit.
+ * Please note that you are passing a flag, NOT a level.
+ * 
+ * GOOD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:LOG_FLAG_INFO];  // <- Good :)
+ *  BAD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:LOG_LEVEL_INFO]; // <- BAD! :(
+ * 
+ * LOG_FLAG_INFO  = 0...00100
+ * LOG_LEVEL_INFO = 0...00111 <- Would match LOG_FLAG_INFO and LOG_FLAG_WARN and LOG_FLAG_ERROR
+ * 
+ * If you run the application within Xcode, then the XcodeColors plugin is required.
+ * 
+ * If you run the application from a shell, then DDTTYLogger will automatically map the given color to
+ * the closest available color. (xterm-256color or xterm-color which have 256 and 16 supported colors respectively.)
+ * 
+ * This method invokes setForegroundColor:backgroundColor:forFlag:context: and applies it to `LOG_CONTEXT_ALL`.
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forFlag:(int)mask;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forFlag:(int)mask;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forFlag:(int)mask;
+#endif
+
+/**
+ * Just like setForegroundColor:backgroundColor:flag, but allows you to specify a particular logging context.
+ * 
+ * A logging context is often used to identify log messages coming from a 3rd party framework,
+ * although logging context's can be used for many different functions.
+ * 
+ * Use LOG_CONTEXT_ALL to set the deafult color for all contexts that have no specific color set defined.
+ * 
+ * Logging context's are explained in further detail here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomContext
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#endif
+
+/**
+ * Similar to the methods above, but allows you to map DDLogMessage->tag to a particular color profile.
+ * For example, you could do something like this:
+ * 
+ * static NSString *const PurpleTag = @"PurpleTag";
+ * 
+ * #define DDLogPurple(frmt, ...) LOG_OBJC_TAG_MACRO(NO, 0, 0, 0, PurpleTag, frmt, ##__VA_ARGS__)
+ * 
+ * And then in your applicationDidFinishLaunching, or wherever you configure Lumberjack:
+ * 
+ * #if TARGET_OS_IPHONE
+ *   UIColor *purple = [UIColor colorWithRed:(64/255.0) green:(0/255.0) blue:(128/255.0) alpha:1.0];
+ * #else
+ *   NSColor *purple = [NSColor colorWithCalibratedRed:(64/255.0) green:(0/255.0) blue:(128/255.0) alpha:1.0];
+ *
+ * Note: For CLI OS X projects that don't link with AppKit use CLIColor objects instead
+ * 
+ * [[DDTTYLogger sharedInstance] setForegroundColor:purple backgroundColor:nil forTag:PurpleTag];
+ * [DDLog addLogger:[DDTTYLogger sharedInstance]];
+ * 
+ * This would essentially give you a straight NSLog replacement that prints in purple:
+ * 
+ * DDLogPurple(@"I'm a purple log message!");
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forTag:(id <NSCopying>)tag;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forTag:(id <NSCopying>)tag;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forTag:(id <NSCopying>)tag;
+#endif
+
+/**
+ * Clearing color profiles.
+**/
+- (void)clearColorsForFlag:(int)mask;
+- (void)clearColorsForFlag:(int)mask context:(int)context;
+- (void)clearColorsForTag:(id <NSCopying>)tag;
+- (void)clearColorsForAllFlags;
+- (void)clearColorsForAllTags;
+- (void)clearAllColors;
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.m b/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.m
new file mode 100755
index 0000000..34a1af9
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/DDTTYLogger.m
@@ -0,0 +1,1510 @@
+#import "DDTTYLogger.h"
+
+#import <unistd.h>
+#import <sys/uio.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// We probably shouldn't be using DDLog() statements within the DDLog implementation.
+// But we still want to leave our log statements for any future debugging,
+// and to allow other developers to trace the implementation (which is a great learning tool).
+// 
+// So we use primitive logging macros around NSLog.
+// We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
+
+#define LOG_LEVEL 2
+
+#define NSLogError(frmt, ...)    do{ if(LOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogWarn(frmt, ...)     do{ if(LOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogInfo(frmt, ...)     do{ if(LOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogDebug(frmt, ...)    do{ if(LOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogVerbose(frmt, ...)  do{ if(LOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
+
+// Xcode does NOT natively support colors in the Xcode debugging console.
+// You'll need to install the XcodeColors plugin to see colors in the Xcode console.
+// https://github.com/robbiehanson/XcodeColors
+// 
+// The following is documentation from the XcodeColors project:
+// 
+// 
+// How to apply color formatting to your log statements:
+// 
+// To set the foreground color:
+// Insert the ESCAPE_SEQ into your string, followed by "fg124,12,255;" where r=124, g=12, b=255.
+// 
+// To set the background color:
+// Insert the ESCAPE_SEQ into your string, followed by "bg12,24,36;" where r=12, g=24, b=36.
+// 
+// To reset the foreground color (to default value):
+// Insert the ESCAPE_SEQ into your string, followed by "fg;"
+// 
+// To reset the background color (to default value):
+// Insert the ESCAPE_SEQ into your string, followed by "bg;"
+// 
+// To reset the foreground and background color (to default values) in one operation:
+// Insert the ESCAPE_SEQ into your string, followed by ";"
+
+#define XCODE_COLORS_ESCAPE_SEQ "\033["
+
+#define XCODE_COLORS_RESET_FG  XCODE_COLORS_ESCAPE_SEQ "fg;" // Clear any foreground color
+#define XCODE_COLORS_RESET_BG  XCODE_COLORS_ESCAPE_SEQ "bg;" // Clear any background color
+#define XCODE_COLORS_RESET     XCODE_COLORS_ESCAPE_SEQ ";"   // Clear any foreground or background color
+
+// Some simple defines to make life easier on ourself
+
+#if TARGET_OS_IPHONE
+  #define OSColor UIColor
+  #define MakeColor(r, g, b) [UIColor colorWithRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+  #define OSColor NSColor
+  #define MakeColor(r, g, b) [NSColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#else
+  #define OSColor CLIColor
+  #define MakeColor(r, g, b) [CLIColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#endif
+
+// If running in a shell, not all RGB colors will be supported.
+// In this case we automatically map to the closest available color.
+// In order to provide this mapping, we have a hard-coded set of the standard RGB values available in the shell.
+// However, not every shell is the same, and Apple likes to think different even when it comes to shell colors.
+// 
+// Map to standard Terminal.app colors (1), or
+// map to standard xterm colors (0).
+
+#define MAP_TO_TERMINAL_APP_COLORS 1
+
+
+@interface DDTTYLoggerColorProfile : NSObject {
+@public
+    int mask;
+    int context;
+    
+    uint8_t fg_r;
+    uint8_t fg_g;
+    uint8_t fg_b;
+    
+    uint8_t bg_r;
+    uint8_t bg_g;
+    uint8_t bg_b;
+    
+    NSUInteger fgCodeIndex;
+    NSString *fgCodeRaw;
+    
+    NSUInteger bgCodeIndex;
+    NSString *bgCodeRaw;
+    
+    char fgCode[24];
+    size_t fgCodeLen;
+    
+    char bgCode[24];
+    size_t bgCodeLen;
+    
+    char resetCode[8];
+    size_t resetCodeLen;
+}
+
+- (instancetype)initWithForegroundColor:(OSColor *)fgColor backgroundColor:(OSColor *)bgColor flag:(int)mask context:(int)ctxt;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDTTYLogger
+
+static BOOL isaColorTTY;
+static BOOL isaColor256TTY;
+static BOOL isaXcodeColorTTY;
+
+static NSArray *codes_fg = nil;
+static NSArray *codes_bg = nil;
+static NSArray *colors   = nil;
+
+static DDTTYLogger *sharedInstance;
+
+/**
+ * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 16 color mode.
+ * 
+ * This method is used when the application is running from within a shell that only supports 16 color mode.
+ * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
+**/
++ (void)initialize_colors_16
+{
+    if (codes_fg || codes_bg || colors) return;
+    
+    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:16];
+    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:16];
+    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:16];
+    
+    // In a standard shell only 16 colors are supported.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    [m_codes_fg addObject:@"30m"];   // normal - black
+    [m_codes_fg addObject:@"31m"];   // normal - red
+    [m_codes_fg addObject:@"32m"];   // normal - green
+    [m_codes_fg addObject:@"33m"];   // normal - yellow
+    [m_codes_fg addObject:@"34m"];   // normal - blue
+    [m_codes_fg addObject:@"35m"];   // normal - magenta
+    [m_codes_fg addObject:@"36m"];   // normal - cyan
+    [m_codes_fg addObject:@"37m"];   // normal - gray
+    [m_codes_fg addObject:@"1;30m"]; // bright - darkgray
+    [m_codes_fg addObject:@"1;31m"]; // bright - red
+    [m_codes_fg addObject:@"1;32m"]; // bright - green
+    [m_codes_fg addObject:@"1;33m"]; // bright - yellow
+    [m_codes_fg addObject:@"1;34m"]; // bright - blue
+    [m_codes_fg addObject:@"1;35m"]; // bright - magenta
+    [m_codes_fg addObject:@"1;36m"]; // bright - cyan
+    [m_codes_fg addObject:@"1;37m"]; // bright - white
+    
+    [m_codes_bg addObject:@"40m"];   // normal - black
+    [m_codes_bg addObject:@"41m"];   // normal - red
+    [m_codes_bg addObject:@"42m"];   // normal - green
+    [m_codes_bg addObject:@"43m"];   // normal - yellow
+    [m_codes_bg addObject:@"44m"];   // normal - blue
+    [m_codes_bg addObject:@"45m"];   // normal - magenta
+    [m_codes_bg addObject:@"46m"];   // normal - cyan
+    [m_codes_bg addObject:@"47m"];   // normal - gray
+    [m_codes_bg addObject:@"1;40m"]; // bright - darkgray
+    [m_codes_bg addObject:@"1;41m"]; // bright - red
+    [m_codes_bg addObject:@"1;42m"]; // bright - green
+    [m_codes_bg addObject:@"1;43m"]; // bright - yellow
+    [m_codes_bg addObject:@"1;44m"]; // bright - blue
+    [m_codes_bg addObject:@"1;45m"]; // bright - magenta
+    [m_codes_bg addObject:@"1;46m"]; // bright - cyan
+    [m_codes_bg addObject:@"1;47m"]; // bright - white
+    
+#if MAP_TO_TERMINAL_APP_COLORS
+    
+    // Standard Terminal.app colors:
+    // 
+    // These are the default colors used by Apple's Terminal.app.
+    
+    [m_colors addObject:MakeColor(  0,   0,   0)]; // normal - black
+    [m_colors addObject:MakeColor(194,  54,  33)]; // normal - red
+    [m_colors addObject:MakeColor( 37, 188,  36)]; // normal - green
+    [m_colors addObject:MakeColor(173, 173,  39)]; // normal - yellow
+    [m_colors addObject:MakeColor( 73,  46, 225)]; // normal - blue
+    [m_colors addObject:MakeColor(211,  56, 211)]; // normal - magenta
+    [m_colors addObject:MakeColor( 51, 187, 200)]; // normal - cyan
+    [m_colors addObject:MakeColor(203, 204, 205)]; // normal - gray
+    [m_colors addObject:MakeColor(129, 131, 131)]; // bright - darkgray
+    [m_colors addObject:MakeColor(252,  57,  31)]; // bright - red
+    [m_colors addObject:MakeColor( 49, 231,  34)]; // bright - green
+    [m_colors addObject:MakeColor(234, 236,  35)]; // bright - yellow
+    [m_colors addObject:MakeColor( 88,  51, 255)]; // bright - blue
+    [m_colors addObject:MakeColor(249,  53, 248)]; // bright - magenta
+    [m_colors addObject:MakeColor( 20, 240, 240)]; // bright - cyan
+    [m_colors addObject:MakeColor(233, 235, 235)]; // bright - white
+    
+#else
+    
+    // Standard xterm colors:
+    // 
+    // These are the default colors used by most xterm shells.
+    
+    [m_colors addObject:MakeColor(  0,   0,   0)]; // normal - black
+    [m_colors addObject:MakeColor(205,   0,   0)]; // normal - red
+    [m_colors addObject:MakeColor(  0, 205,   0)]; // normal - green
+    [m_colors addObject:MakeColor(205, 205,   0)]; // normal - yellow
+    [m_colors addObject:MakeColor(  0,   0, 238)]; // normal - blue
+    [m_colors addObject:MakeColor(205,   0, 205)]; // normal - magenta
+    [m_colors addObject:MakeColor(  0, 205, 205)]; // normal - cyan
+    [m_colors addObject:MakeColor(229, 229, 229)]; // normal - gray
+    [m_colors addObject:MakeColor(127, 127, 127)]; // bright - darkgray
+    [m_colors addObject:MakeColor(255,   0,   0)]; // bright - red
+    [m_colors addObject:MakeColor(  0, 255,   0)]; // bright - green
+    [m_colors addObject:MakeColor(255, 255,   0)]; // bright - yellow
+    [m_colors addObject:MakeColor( 92,  92, 255)]; // bright - blue
+    [m_colors addObject:MakeColor(255,   0, 255)]; // bright - magenta
+    [m_colors addObject:MakeColor(  0, 255, 255)]; // bright - cyan
+    [m_colors addObject:MakeColor(255, 255, 255)]; // bright - white
+    
+#endif
+    
+    codes_fg = [m_codes_fg copy];
+    codes_bg = [m_codes_bg copy];
+    colors   = [m_colors   copy];
+    
+    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
+    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
+}
+
+/**
+ * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 256 color mode.
+ * 
+ * This method is used when the application is running from within a shell that supports 256 color mode.
+ * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
+**/
++ (void)initialize_colors_256
+{
+    if (codes_fg || codes_bg || colors) return;
+    
+    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:(256-16)];
+    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:(256-16)];
+    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:(256-16)];
+    
+    #if MAP_TO_TERMINAL_APP_COLORS
+    
+    // Standard Terminal.app colors:
+    // 
+    // These are the colors the Terminal.app uses in xterm-256color mode.
+    // In this mode, the terminal supports 256 different colors, specified by 256 color codes.
+    // 
+    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
+    // These are actually configurable, and thus we ignore them for the purposes of mapping,
+    // as we can't rely on them being constant. They are largely duplicated anyway.
+    // 
+    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
+    // While the color codes are standardized, the actual RGB values for each color code is not.
+    // Apple's Terminal.app uses different RGB values from that of a standard xterm.
+    // Apple's choices in colors are designed to be a little nicer on the eyes.
+    // 
+    // The last 24 color codes represent a grayscale.
+    // 
+    // Unfortunately, unlike the standard xterm color chart,
+    // Apple's RGB values cannot be calculated using a simple formula (at least not that I know of).
+    // Also, I don't know of any ways to programmatically query the shell for the RGB values.
+    // So this big giant color chart had to be made by hand.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    // Colors
+    
+    [m_colors addObject:MakeColor( 47,  49,  49)];
+    [m_colors addObject:MakeColor( 60,  42, 144)];
+    [m_colors addObject:MakeColor( 66,  44, 183)];
+    [m_colors addObject:MakeColor( 73,  46, 222)];
+    [m_colors addObject:MakeColor( 81,  50, 253)];
+    [m_colors addObject:MakeColor( 88,  51, 255)];
+    
+    [m_colors addObject:MakeColor( 42, 128,  37)];
+    [m_colors addObject:MakeColor( 42, 127, 128)];
+    [m_colors addObject:MakeColor( 44, 126, 169)];
+    [m_colors addObject:MakeColor( 56, 125, 209)];
+    [m_colors addObject:MakeColor( 59, 124, 245)];
+    [m_colors addObject:MakeColor( 66, 123, 255)];
+    
+    [m_colors addObject:MakeColor( 51, 163,  41)];
+    [m_colors addObject:MakeColor( 39, 162, 121)];
+    [m_colors addObject:MakeColor( 42, 161, 162)];
+    [m_colors addObject:MakeColor( 53, 160, 202)];
+    [m_colors addObject:MakeColor( 45, 159, 240)];
+    [m_colors addObject:MakeColor( 58, 158, 255)];
+    
+    [m_colors addObject:MakeColor( 31, 196,  37)];
+    [m_colors addObject:MakeColor( 48, 196, 115)];
+    [m_colors addObject:MakeColor( 39, 195, 155)];
+    [m_colors addObject:MakeColor( 49, 195, 195)];
+    [m_colors addObject:MakeColor( 32, 194, 235)];
+    [m_colors addObject:MakeColor( 53, 193, 255)];
+    
+    [m_colors addObject:MakeColor( 50, 229,  35)];
+    [m_colors addObject:MakeColor( 40, 229, 109)];
+    [m_colors addObject:MakeColor( 27, 229, 149)];
+    [m_colors addObject:MakeColor( 49, 228, 189)];
+    [m_colors addObject:MakeColor( 33, 228, 228)];
+    [m_colors addObject:MakeColor( 53, 227, 255)];
+    
+    [m_colors addObject:MakeColor( 27, 254,  30)];
+    [m_colors addObject:MakeColor( 30, 254, 103)];
+    [m_colors addObject:MakeColor( 45, 254, 143)];
+    [m_colors addObject:MakeColor( 38, 253, 182)];
+    [m_colors addObject:MakeColor( 38, 253, 222)];
+    [m_colors addObject:MakeColor( 42, 253, 252)];
+    
+    [m_colors addObject:MakeColor(140,  48,  40)];
+    [m_colors addObject:MakeColor(136,  51, 136)];
+    [m_colors addObject:MakeColor(135,  52, 177)];
+    [m_colors addObject:MakeColor(134,  52, 217)];
+    [m_colors addObject:MakeColor(135,  56, 248)];
+    [m_colors addObject:MakeColor(134,  53, 255)];
+    
+    [m_colors addObject:MakeColor(125, 125,  38)];
+    [m_colors addObject:MakeColor(124, 125, 125)];
+    [m_colors addObject:MakeColor(122, 124, 166)];
+    [m_colors addObject:MakeColor(123, 124, 207)];
+    [m_colors addObject:MakeColor(123, 122, 247)];
+    [m_colors addObject:MakeColor(124, 121, 255)];
+    
+    [m_colors addObject:MakeColor(119, 160,  35)];
+    [m_colors addObject:MakeColor(117, 160, 120)];
+    [m_colors addObject:MakeColor(117, 160, 160)];
+    [m_colors addObject:MakeColor(115, 159, 201)];
+    [m_colors addObject:MakeColor(116, 158, 240)];
+    [m_colors addObject:MakeColor(117, 157, 255)];
+    
+    [m_colors addObject:MakeColor(113, 195,  39)];
+    [m_colors addObject:MakeColor(110, 194, 114)];
+    [m_colors addObject:MakeColor(111, 194, 154)];
+    [m_colors addObject:MakeColor(108, 194, 194)];
+    [m_colors addObject:MakeColor(109, 193, 234)];
+    [m_colors addObject:MakeColor(108, 192, 255)];
+    
+    [m_colors addObject:MakeColor(105, 228,  30)];
+    [m_colors addObject:MakeColor(103, 228, 109)];
+    [m_colors addObject:MakeColor(105, 228, 148)];
+    [m_colors addObject:MakeColor(100, 227, 188)];
+    [m_colors addObject:MakeColor( 99, 227, 227)];
+    [m_colors addObject:MakeColor( 99, 226, 253)];
+    
+    [m_colors addObject:MakeColor( 92, 253,  34)];
+    [m_colors addObject:MakeColor( 96, 253, 103)];
+    [m_colors addObject:MakeColor( 97, 253, 142)];
+    [m_colors addObject:MakeColor( 88, 253, 182)];
+    [m_colors addObject:MakeColor( 93, 253, 221)];
+    [m_colors addObject:MakeColor( 88, 254, 251)];
+    
+    [m_colors addObject:MakeColor(177,  53,  34)];
+    [m_colors addObject:MakeColor(174,  54, 131)];
+    [m_colors addObject:MakeColor(172,  55, 172)];
+    [m_colors addObject:MakeColor(171,  57, 213)];
+    [m_colors addObject:MakeColor(170,  55, 249)];
+    [m_colors addObject:MakeColor(170,  57, 255)];
+    
+    [m_colors addObject:MakeColor(165, 123,  37)];
+    [m_colors addObject:MakeColor(163, 123, 123)];
+    [m_colors addObject:MakeColor(162, 123, 164)];
+    [m_colors addObject:MakeColor(161, 122, 205)];
+    [m_colors addObject:MakeColor(161, 121, 241)];
+    [m_colors addObject:MakeColor(161, 121, 255)];
+    
+    [m_colors addObject:MakeColor(158, 159,  33)];
+    [m_colors addObject:MakeColor(157, 158, 118)];
+    [m_colors addObject:MakeColor(157, 158, 159)];
+    [m_colors addObject:MakeColor(155, 157, 199)];
+    [m_colors addObject:MakeColor(155, 157, 239)];
+    [m_colors addObject:MakeColor(154, 156, 255)];
+    
+    [m_colors addObject:MakeColor(152, 193,  40)];
+    [m_colors addObject:MakeColor(151, 193, 113)];
+    [m_colors addObject:MakeColor(150, 193, 153)];
+    [m_colors addObject:MakeColor(150, 192, 193)];
+    [m_colors addObject:MakeColor(148, 192, 232)];
+    [m_colors addObject:MakeColor(149, 191, 253)];
+    
+    [m_colors addObject:MakeColor(146, 227,  28)];
+    [m_colors addObject:MakeColor(144, 227, 108)];
+    [m_colors addObject:MakeColor(144, 227, 147)];
+    [m_colors addObject:MakeColor(144, 227, 187)];
+    [m_colors addObject:MakeColor(142, 226, 227)];
+    [m_colors addObject:MakeColor(142, 225, 252)];
+    
+    [m_colors addObject:MakeColor(138, 253,  36)];
+    [m_colors addObject:MakeColor(137, 253, 102)];
+    [m_colors addObject:MakeColor(136, 253, 141)];
+    [m_colors addObject:MakeColor(138, 254, 181)];
+    [m_colors addObject:MakeColor(135, 255, 220)];
+    [m_colors addObject:MakeColor(133, 255, 250)];
+    
+    [m_colors addObject:MakeColor(214,  57,  30)];
+    [m_colors addObject:MakeColor(211,  59, 126)];
+    [m_colors addObject:MakeColor(209,  57, 168)];
+    [m_colors addObject:MakeColor(208,  55, 208)];
+    [m_colors addObject:MakeColor(207,  58, 247)];
+    [m_colors addObject:MakeColor(206,  61, 255)];
+    
+    [m_colors addObject:MakeColor(204, 121,  32)];
+    [m_colors addObject:MakeColor(202, 121, 121)];
+    [m_colors addObject:MakeColor(201, 121, 161)];
+    [m_colors addObject:MakeColor(200, 120, 202)];
+    [m_colors addObject:MakeColor(200, 120, 241)];
+    [m_colors addObject:MakeColor(198, 119, 255)];
+    
+    [m_colors addObject:MakeColor(198, 157,  37)];
+    [m_colors addObject:MakeColor(196, 157, 116)];
+    [m_colors addObject:MakeColor(195, 156, 157)];
+    [m_colors addObject:MakeColor(195, 156, 197)];
+    [m_colors addObject:MakeColor(194, 155, 236)];
+    [m_colors addObject:MakeColor(193, 155, 255)];
+    
+    [m_colors addObject:MakeColor(191, 192,  36)];
+    [m_colors addObject:MakeColor(190, 191, 112)];
+    [m_colors addObject:MakeColor(189, 191, 152)];
+    [m_colors addObject:MakeColor(189, 191, 191)];
+    [m_colors addObject:MakeColor(188, 190, 230)];
+    [m_colors addObject:MakeColor(187, 190, 253)];
+    
+    [m_colors addObject:MakeColor(185, 226,  28)];
+    [m_colors addObject:MakeColor(184, 226, 106)];
+    [m_colors addObject:MakeColor(183, 225, 146)];
+    [m_colors addObject:MakeColor(183, 225, 186)];
+    [m_colors addObject:MakeColor(182, 225, 225)];
+    [m_colors addObject:MakeColor(181, 224, 252)];
+    
+    [m_colors addObject:MakeColor(178, 255,  35)];
+    [m_colors addObject:MakeColor(178, 255, 101)];
+    [m_colors addObject:MakeColor(177, 254, 141)];
+    [m_colors addObject:MakeColor(176, 254, 180)];
+    [m_colors addObject:MakeColor(176, 254, 220)];
+    [m_colors addObject:MakeColor(175, 253, 249)];
+    
+    [m_colors addObject:MakeColor(247,  56,  30)];
+    [m_colors addObject:MakeColor(245,  57, 122)];
+    [m_colors addObject:MakeColor(243,  59, 163)];
+    [m_colors addObject:MakeColor(244,  60, 204)];
+    [m_colors addObject:MakeColor(242,  59, 241)];
+    [m_colors addObject:MakeColor(240,  55, 255)];
+    
+    [m_colors addObject:MakeColor(241, 119,  36)];
+    [m_colors addObject:MakeColor(240, 120, 118)];
+    [m_colors addObject:MakeColor(238, 119, 158)];
+    [m_colors addObject:MakeColor(237, 119, 199)];
+    [m_colors addObject:MakeColor(237, 118, 238)];
+    [m_colors addObject:MakeColor(236, 118, 255)];
+    
+    [m_colors addObject:MakeColor(235, 154,  36)];
+    [m_colors addObject:MakeColor(235, 154, 114)];
+    [m_colors addObject:MakeColor(234, 154, 154)];
+    [m_colors addObject:MakeColor(232, 154, 194)];
+    [m_colors addObject:MakeColor(232, 153, 234)];
+    [m_colors addObject:MakeColor(232, 153, 255)];
+    
+    [m_colors addObject:MakeColor(230, 190,  30)];
+    [m_colors addObject:MakeColor(229, 189, 110)];
+    [m_colors addObject:MakeColor(228, 189, 150)];
+    [m_colors addObject:MakeColor(227, 189, 190)];
+    [m_colors addObject:MakeColor(227, 189, 229)];
+    [m_colors addObject:MakeColor(226, 188, 255)];
+    
+    [m_colors addObject:MakeColor(224, 224,  35)];
+    [m_colors addObject:MakeColor(223, 224, 105)];
+    [m_colors addObject:MakeColor(222, 224, 144)];
+    [m_colors addObject:MakeColor(222, 223, 184)];
+    [m_colors addObject:MakeColor(222, 223, 224)];
+    [m_colors addObject:MakeColor(220, 223, 253)];
+    
+    [m_colors addObject:MakeColor(217, 253,  28)];
+    [m_colors addObject:MakeColor(217, 253,  99)];
+    [m_colors addObject:MakeColor(216, 252, 139)];
+    [m_colors addObject:MakeColor(216, 252, 179)];
+    [m_colors addObject:MakeColor(215, 252, 218)];
+    [m_colors addObject:MakeColor(215, 251, 250)];
+    
+    [m_colors addObject:MakeColor(255,  61,  30)];
+    [m_colors addObject:MakeColor(255,  60, 118)];
+    [m_colors addObject:MakeColor(255,  58, 159)];
+    [m_colors addObject:MakeColor(255,  56, 199)];
+    [m_colors addObject:MakeColor(255,  55, 238)];
+    [m_colors addObject:MakeColor(255,  59, 255)];
+    
+    [m_colors addObject:MakeColor(255, 117,  29)];
+    [m_colors addObject:MakeColor(255, 117, 115)];
+    [m_colors addObject:MakeColor(255, 117, 155)];
+    [m_colors addObject:MakeColor(255, 117, 195)];
+    [m_colors addObject:MakeColor(255, 116, 235)];
+    [m_colors addObject:MakeColor(254, 116, 255)];
+    
+    [m_colors addObject:MakeColor(255, 152,  27)];
+    [m_colors addObject:MakeColor(255, 152, 111)];
+    [m_colors addObject:MakeColor(254, 152, 152)];
+    [m_colors addObject:MakeColor(255, 152, 192)];
+    [m_colors addObject:MakeColor(254, 151, 231)];
+    [m_colors addObject:MakeColor(253, 151, 253)];
+    
+    [m_colors addObject:MakeColor(255, 187,  33)];
+    [m_colors addObject:MakeColor(253, 187, 107)];
+    [m_colors addObject:MakeColor(252, 187, 148)];
+    [m_colors addObject:MakeColor(253, 187, 187)];
+    [m_colors addObject:MakeColor(254, 187, 227)];
+    [m_colors addObject:MakeColor(252, 186, 252)];
+    
+    [m_colors addObject:MakeColor(252, 222,  34)];
+    [m_colors addObject:MakeColor(251, 222, 103)];
+    [m_colors addObject:MakeColor(251, 222, 143)];
+    [m_colors addObject:MakeColor(250, 222, 182)];
+    [m_colors addObject:MakeColor(251, 221, 222)];
+    [m_colors addObject:MakeColor(252, 221, 252)];
+    
+    [m_colors addObject:MakeColor(251, 252,  15)];
+    [m_colors addObject:MakeColor(251, 252,  97)];
+    [m_colors addObject:MakeColor(249, 252, 137)];
+    [m_colors addObject:MakeColor(247, 252, 177)];
+    [m_colors addObject:MakeColor(247, 253, 217)];
+    [m_colors addObject:MakeColor(254, 255, 255)];
+    
+    // Grayscale
+    
+    [m_colors addObject:MakeColor( 52,  53,  53)];
+    [m_colors addObject:MakeColor( 57,  58,  59)];
+    [m_colors addObject:MakeColor( 66,  67,  67)];
+    [m_colors addObject:MakeColor( 75,  76,  76)];
+    [m_colors addObject:MakeColor( 83,  85,  85)];
+    [m_colors addObject:MakeColor( 92,  93,  94)];
+    
+    [m_colors addObject:MakeColor(101, 102, 102)];
+    [m_colors addObject:MakeColor(109, 111, 111)];
+    [m_colors addObject:MakeColor(118, 119, 119)];
+    [m_colors addObject:MakeColor(126, 127, 128)];
+    [m_colors addObject:MakeColor(134, 136, 136)];
+    [m_colors addObject:MakeColor(143, 144, 145)];
+    
+    [m_colors addObject:MakeColor(151, 152, 153)];
+    [m_colors addObject:MakeColor(159, 161, 161)];
+    [m_colors addObject:MakeColor(167, 169, 169)];
+    [m_colors addObject:MakeColor(176, 177, 177)];
+    [m_colors addObject:MakeColor(184, 185, 186)];
+    [m_colors addObject:MakeColor(192, 193, 194)];
+    
+    [m_colors addObject:MakeColor(200, 201, 202)];
+    [m_colors addObject:MakeColor(208, 209, 210)];
+    [m_colors addObject:MakeColor(216, 218, 218)];
+    [m_colors addObject:MakeColor(224, 226, 226)];
+    [m_colors addObject:MakeColor(232, 234, 234)];
+    [m_colors addObject:MakeColor(240, 242, 242)];
+    
+    // Color codes
+    
+    int index = 16;
+    
+    while (index < 256)
+    {
+        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+        
+        index++;
+    }
+    
+    #else
+    
+    // Standard xterm colors:
+    // 
+    // These are the colors xterm shells use in xterm-256color mode.
+    // In this mode, the shell supports 256 different colors, specified by 256 color codes.
+    // 
+    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
+    // These are generally configurable, and thus we ignore them for the purposes of mapping,
+    // as we can't rely on them being constant. They are largely duplicated anyway.
+    // 
+    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
+    // The last 24 color codes represent a grayscale.
+    // 
+    // While the color codes are standardized, the actual RGB values for each color code is not.
+    // However most standard xterms follow a well known color chart,
+    // which can easily be calculated using the simple formula below.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    int index = 16;
+    
+    int r; // red
+    int g; // green
+    int b; // blue
+    
+    int ri; // r increment
+    int gi; // g increment
+    int bi; // b increment
+    
+    // Calculate xterm colors (using standard algorithm)
+    
+    int r = 0;
+    int g = 0;
+    int b = 0;
+    
+    for (ri = 0; ri < 6; ri++)
+    {
+        r = (ri == 0) ? 0 : 95 + (40 * (ri - 1));
+        
+        for (gi = 0; gi < 6; gi++)
+        {
+            g = (gi == 0) ? 0 : 95 + (40 * (gi - 1));
+            
+            for (bi = 0; bi < 6; bi++)
+            {
+                b = (bi == 0) ? 0 : 95 + (40 * (bi - 1));
+                
+                [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+                [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+                [m_colors addObject:MakeColor(r, g, b)];
+                
+                index++;
+            }
+        }
+    }
+    
+    // Calculate xterm grayscale (using standard algorithm)
+    
+    r = 8;
+    g = 8;
+    b = 8;
+    
+    while (index < 256)
+    {
+        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+        [m_colors addObject:MakeColor(r, g, b)];
+        
+        r += 10;
+        g += 10;
+        b += 10;
+        
+        index++;
+    }
+    
+    #endif
+    
+    codes_fg = [m_codes_fg copy];
+    codes_bg = [m_codes_bg copy];
+    colors   = [m_colors   copy];
+             
+    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
+    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
+}
+
++ (void)getRed:(CGFloat *)rPtr green:(CGFloat *)gPtr blue:(CGFloat *)bPtr fromColor:(OSColor *)color
+{
+    #if TARGET_OS_IPHONE
+    
+    // iOS
+    
+    BOOL done = NO;
+    
+    if ([color respondsToSelector:@selector(getRed:green:blue:alpha:)])
+    {
+        done = [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    }
+    
+    if (!done)
+    {
+        // The method getRed:green:blue:alpha: was only available starting iOS 5.
+        // So in iOS 4 and earlier, we have to jump through hoops.
+        
+        CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
+        
+        unsigned char pixel[4];
+        CGContextRef context = CGBitmapContextCreate(&pixel, 1, 1, 8, 4, rgbColorSpace, kCGBitmapAlphaInfoMask & kCGImageAlphaNoneSkipLast);
+        
+        CGContextSetFillColorWithColor(context, [color CGColor]);
+        CGContextFillRect(context, CGRectMake(0, 0, 1, 1));
+        
+        if (rPtr) { *rPtr = pixel[0] / 255.0f; }
+        if (gPtr) { *gPtr = pixel[1] / 255.0f; }
+        if (bPtr) { *bPtr = pixel[2] / 255.0f; }
+        
+        CGContextRelease(context);
+        CGColorSpaceRelease(rgbColorSpace);
+    }
+    
+    #elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+    
+    // OS X with AppKit
+    
+    NSColor *safeColor = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+    
+    [safeColor getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    
+    #else
+    
+    // OS X without AppKit
+    
+    [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    
+    #endif
+}
+
+/**
+ * Maps the given color to the closest available color supported by the shell.
+ * The shell may support 256 colors, or only 16.
+ * 
+ * This method loops through the known supported color set, and calculates the closest color.
+ * The array index of that color, within the colors array, is then returned.
+ * This array index may also be used as the index within the codes_fg and codes_bg arrays.
+**/
++ (NSUInteger)codeIndexForColor:(OSColor *)inColor
+{
+    CGFloat inR, inG, inB;
+    [self getRed:&inR green:&inG blue:&inB fromColor:inColor];
+    
+    NSUInteger bestIndex = 0;
+    CGFloat lowestDistance = 100.0f;
+    
+    NSUInteger i = 0;
+    for (OSColor *color in colors)
+    {
+        // Calculate Euclidean distance (lower value means closer to given color)
+        
+        CGFloat r, g, b;
+        [self getRed:&r green:&g blue:&b fromColor:color];
+        
+    #if CGFLOAT_IS_DOUBLE
+        CGFloat distance = sqrt(pow(r-inR, 2.0) + pow(g-inG, 2.0) + pow(b-inB, 2.0));
+    #else
+        CGFloat distance = sqrtf(powf(r-inR, 2.0f) + powf(g-inG, 2.0f) + powf(b-inB, 2.0f));
+    #endif
+        
+        NSLogVerbose(@"DDTTYLogger: %3lu : %.3f,%.3f,%.3f & %.3f,%.3f,%.3f = %.6f",
+                     (unsigned long)i, inR, inG, inB, r, g, b, distance);
+        
+        if (distance < lowestDistance)
+        {
+            bestIndex = i;
+            lowestDistance = distance;
+            
+            NSLogVerbose(@"DDTTYLogger: New best index = %lu", (unsigned long)bestIndex);
+        }
+        
+        i++;
+    }
+    
+    return bestIndex;
+}
+
++ (instancetype)sharedInstance
+{
+    static dispatch_once_t DDTTYLoggerOnceToken;
+    dispatch_once(&DDTTYLoggerOnceToken, ^{
+        
+        
+        // Xcode does NOT natively support colors in the Xcode debugging console.
+        // You'll need to install the XcodeColors plugin to see colors in the Xcode console.
+        //
+        // PS - Please read the header file before diving into the source code.
+        
+        char *xcode_colors = getenv("XcodeColors");
+        char *term = getenv("TERM");
+        
+        if (xcode_colors && (strcmp(xcode_colors, "YES") == 0))
+        {
+            isaXcodeColorTTY = YES;
+        }
+        else if (term)
+        {
+            if (strcasestr(term, "color") != NULL)
+            {
+                isaColorTTY = YES;
+                isaColor256TTY = (strcasestr(term, "256") != NULL);
+                
+                if (isaColor256TTY)
+                    [self initialize_colors_256];
+                else
+                    [self initialize_colors_16];
+            }
+        }
+        
+        NSLogInfo(@"DDTTYLogger: isaColorTTY = %@", (isaColorTTY ? @"YES" : @"NO"));
+        NSLogInfo(@"DDTTYLogger: isaColor256TTY: %@", (isaColor256TTY ? @"YES" : @"NO"));
+        NSLogInfo(@"DDTTYLogger: isaXcodeColorTTY: %@", (isaXcodeColorTTY ? @"YES" : @"NO"));
+        
+        sharedInstance = [[[self class] alloc] init];
+    });
+    
+    return sharedInstance;
+}
+
+- (id)init
+{
+    if (sharedInstance != nil)
+    {
+        return nil;
+    }
+    
+    if ((self = [super init]))
+    {        
+        calendarUnitFlags = (NSCalendarUnitYear     |
+                             NSCalendarUnitMonth    |
+                             NSCalendarUnitDay      |
+                             NSCalendarUnitHour     |
+                             NSCalendarUnitMinute   |
+                             NSCalendarUnitSecond);
+        
+        // Initialze 'app' variable (char *)
+        
+        appName = [[NSProcessInfo processInfo] processName];
+        
+        appLen = [appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        if (appLen == 0) {
+            appName = @"<UnnamedApp>";
+            appLen = [appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        }
+        app = (char *)malloc(appLen + 1);
+        if (app == NULL) return nil;
+        
+        BOOL processedAppName = [appName getCString:app maxLength:(appLen+1) encoding:NSUTF8StringEncoding];
+        if (NO == processedAppName) return nil;
+
+        // Initialize 'pid' variable (char *)
+        
+        processID = [NSString stringWithFormat:@"%i", (int)getpid()];
+        
+        pidLen = [processID lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        pid = (char *)malloc(pidLen + 1);
+        if (pid == NULL) return nil;
+        
+        BOOL processedID = [processID getCString:pid maxLength:(pidLen+1) encoding:NSUTF8StringEncoding];
+        if (NO == processedID) return nil;
+        
+        // Initialize color stuff
+        
+        colorsEnabled = NO;
+        colorProfilesArray = [[NSMutableArray alloc] initWithCapacity:8];
+        colorProfilesDict = [[NSMutableDictionary alloc] initWithCapacity:8];
+        
+        _automaticallyAppendNewlineForCustomFormatters = YES;
+    }
+    return self;
+}
+
+- (void)loadDefaultColorProfiles
+{
+    [self setForegroundColor:MakeColor(214,  57,  30) backgroundColor:nil forFlag:LOG_FLAG_ERROR];
+    [self setForegroundColor:MakeColor(204, 121,  32) backgroundColor:nil forFlag:LOG_FLAG_WARN];
+}
+
+- (BOOL)colorsEnabled
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block BOOL result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = colorsEnabled;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setColorsEnabled:(BOOL)newColorsEnabled
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        colorsEnabled = newColorsEnabled;
+        
+        if ([colorProfilesArray count] == 0) {
+            [self loadDefaultColorProfiles];
+        }
+    }};
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_async(globalLoggingQueue, ^{
+        dispatch_async(loggerQueue, block);
+    });
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forFlag:(int)mask
+{
+    [self setForegroundColor:txtColor backgroundColor:bgColor forFlag:mask context:LOG_CONTEXT_ALL];
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forFlag:(int)mask context:(int)ctxt
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        DDTTYLoggerColorProfile *newColorProfile =
+            [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
+                                                     backgroundColor:bgColor
+                                                                flag:mask
+                                                             context:ctxt];
+        
+        NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
+        
+        NSUInteger i = 0;
+        for (DDTTYLoggerColorProfile *colorProfile in colorProfilesArray)
+        {
+            if ((colorProfile->mask == mask) && (colorProfile->context == ctxt))
+            {
+                break;
+            }
+            
+            i++;
+        }
+        
+        if (i < [colorProfilesArray count])
+            [colorProfilesArray replaceObjectAtIndex:i withObject:newColorProfile];
+        else
+            [colorProfilesArray addObject:newColorProfile];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forTag:(id <NSCopying>)tag
+{
+    NSAssert([(id <NSObject>)tag conformsToProtocol:@protocol(NSCopying)], @"Invalid tag");
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        DDTTYLoggerColorProfile *newColorProfile =
+            [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
+                                                     backgroundColor:bgColor
+                                                                flag:0
+                                                             context:0];
+        
+        NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
+        
+        [colorProfilesDict setObject:newColorProfile forKey:tag];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForFlag:(int)mask
+{
+    [self clearColorsForFlag:mask context:0];
+}
+
+- (void)clearColorsForFlag:(int)mask context:(int)context
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        NSUInteger i = 0;
+        for (DDTTYLoggerColorProfile *colorProfile in colorProfilesArray)
+        {
+            if ((colorProfile->mask == mask) && (colorProfile->context == context))
+            {
+                break;
+            }
+            
+            i++;
+        }
+        
+        if (i < [colorProfilesArray count])
+        {
+            [colorProfilesArray removeObjectAtIndex:i];
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForTag:(id <NSCopying>)tag
+{
+    NSAssert([(id <NSObject>)tag conformsToProtocol:@protocol(NSCopying)], @"Invalid tag");
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesDict removeObjectForKey:tag];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForAllFlags
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesArray removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForAllTags
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesDict removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearAllColors
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesArray removeAllObjects];
+        [colorProfilesDict removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    NSString *logMsg = logMessage->logMsg;
+    BOOL isFormatted = NO;
+    
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+        isFormatted = logMsg != logMessage->logMsg;
+    }
+    
+    if (logMsg)
+    {
+        // Search for a color profile associated with the log message
+        
+        DDTTYLoggerColorProfile *colorProfile = nil;
+        
+        if (colorsEnabled)
+        {
+            if (logMessage->tag)
+            {
+                colorProfile = [colorProfilesDict objectForKey:logMessage->tag];
+            }
+            if (colorProfile == nil)
+            {
+                for (DDTTYLoggerColorProfile *cp in colorProfilesArray)
+                {
+                    if (logMessage->logFlag & cp->mask)
+                    {
+                        // Color profile set for this context?
+                        if (logMessage->logContext == cp->context)
+                        {
+                            colorProfile = cp;
+                            
+                            // Stop searching
+                            break;
+                        }
+                        
+                        // Check if LOG_CONTEXT_ALL was specified as a default color for this flag
+                        if (cp->context == LOG_CONTEXT_ALL)
+                        {
+                            colorProfile = cp;
+                            
+                            // We don't break to keep searching for more specific color profiles for the context
+                        }
+                    }
+                }
+            }
+        }
+        
+        // Convert log message to C string.
+        // 
+        // We use the stack instead of the heap for speed if possible.
+        // But we're extra cautious to avoid a stack overflow.
+        
+        NSUInteger msgLen = [logMsg lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        const BOOL useStack = msgLen < (1024 * 4);
+        
+        char msgStack[useStack ? (msgLen + 1) : 1]; // Analyzer doesn't like zero-size array, hence the 1
+        char *msg = useStack ? msgStack : (char *)malloc(msgLen + 1);
+        if (msg == NULL) return;
+        
+        BOOL logMsgEnc = [logMsg getCString:msg maxLength:(msgLen + 1) encoding:NSUTF8StringEncoding];
+        if (!logMsgEnc)
+        {
+            if (!useStack && msg != NULL) free(msg);
+            return;
+        }
+        
+        // Write the log message to STDERR
+        
+        if (isFormatted)
+        {
+            // The log message has already been formatted.
+            int iovec_len = (_automaticallyAppendNewlineForCustomFormatters) ? 5 : 4;
+            struct iovec v[iovec_len];
+            
+            if (colorProfile)
+            {
+                v[0].iov_base = colorProfile->fgCode;
+                v[0].iov_len = colorProfile->fgCodeLen;
+
+                v[1].iov_base = colorProfile->bgCode;
+                v[1].iov_len = colorProfile->bgCodeLen;
+
+                v[iovec_len - 1].iov_base = colorProfile->resetCode;
+                v[iovec_len - 1].iov_len = colorProfile->resetCodeLen;
+            }
+            else
+            {
+                v[0].iov_base = "";
+                v[0].iov_len = 0;
+                
+                v[1].iov_base = "";
+                v[1].iov_len = 0;
+                
+                v[iovec_len - 1].iov_base = "";
+                v[iovec_len - 1].iov_len = 0;
+            }
+            
+            v[2].iov_base = (char *)msg;
+            v[2].iov_len = msgLen;
+            
+            if (_automaticallyAppendNewlineForCustomFormatters) {
+                v[3].iov_base = "\n";
+                v[3].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
+            }
+            
+            writev(STDERR_FILENO, v, iovec_len);
+        }
+        else
+        {
+            // The log message is unformatted, so apply standard NSLog style formatting.
+            
+            int len;
+            char ts[24] = "";
+            size_t tsLen = 0;
+            
+            // Calculate timestamp.
+            // The technique below is faster than using NSDateFormatter.
+            if (logMessage->timestamp)
+            {
+                NSDateComponents *components = [[NSCalendar autoupdatingCurrentCalendar] components:calendarUnitFlags fromDate:logMessage->timestamp];
+                
+                NSTimeInterval epoch = [logMessage->timestamp timeIntervalSinceReferenceDate];
+                int milliseconds = (int)((epoch - floor(epoch)) * 1000);
+                
+                len = snprintf(ts, 24, "%04ld-%02ld-%02ld %02ld:%02ld:%02ld:%03d", // yyyy-MM-dd HH:mm:ss:SSS
+                               (long)components.year,
+                               (long)components.month,
+                               (long)components.day,
+                               (long)components.hour,
+                               (long)components.minute,
+                               (long)components.second, milliseconds);
+                
+                tsLen = (NSUInteger)MAX(MIN(24-1, len), 0);
+            }
+            
+            // Calculate thread ID
+            // 
+            // How many characters do we need for the thread id?
+            // logMessage->machThreadID is of type mach_port_t, which is an unsigned int.
+            // 
+            // 1 hex char = 4 bits
+            // 8 hex chars for 32 bit, plus ending '\0' = 9
+            
+            char tid[9];
+            len = snprintf(tid, 9, "%x", logMessage->machThreadID);
+            
+            size_t tidLen = (NSUInteger)MAX(MIN(9-1, len), 0);
+            
+            // Here is our format: "%s %s[%i:%s] %s", timestamp, appName, processID, threadID, logMsg
+            
+            struct iovec v[13];
+            
+            if (colorProfile)
+            {
+                v[0].iov_base = colorProfile->fgCode;
+                v[0].iov_len = colorProfile->fgCodeLen;
+
+                v[1].iov_base = colorProfile->bgCode;
+                v[1].iov_len = colorProfile->bgCodeLen;
+
+                v[12].iov_base = colorProfile->resetCode;
+                v[12].iov_len = colorProfile->resetCodeLen;
+            }
+            else
+            {
+                v[0].iov_base = "";
+                v[0].iov_len = 0;
+
+                v[1].iov_base = "";
+                v[1].iov_len = 0;
+
+                v[12].iov_base = "";
+                v[12].iov_len = 0;
+            }
+            
+            v[2].iov_base = ts;
+            v[2].iov_len = tsLen;
+            
+            v[3].iov_base = " ";
+            v[3].iov_len = 1;
+            
+            v[4].iov_base = app;
+            v[4].iov_len = appLen;
+            
+            v[5].iov_base = "[";
+            v[5].iov_len = 1;
+            
+            v[6].iov_base = pid;
+            v[6].iov_len = pidLen;
+            
+            v[7].iov_base = ":";
+            v[7].iov_len = 1;
+            
+            v[8].iov_base = tid;
+            v[8].iov_len = MIN((size_t)8, tidLen); // snprintf doesn't return what you might think
+            
+            v[9].iov_base = "] ";
+            v[9].iov_len = 2;
+            
+            v[10].iov_base = (char *)msg;
+            v[10].iov_len = msgLen;
+            
+            v[11].iov_base = "\n";
+            v[11].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
+            
+            writev(STDERR_FILENO, v, 13);
+        }
+        
+        if (!useStack) {
+            free(msg);
+        }
+    }
+}
+
+- (NSString *)loggerName
+{
+    return @"cocoa.lumberjack.ttyLogger";
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDTTYLoggerColorProfile
+
+- (instancetype)initWithForegroundColor:(OSColor *)fgColor backgroundColor:(OSColor *)bgColor flag:(int)aMask context:(int)ctxt
+{
+    if ((self = [super init]))
+    {
+        mask = aMask;
+        context = ctxt;
+        
+        CGFloat r, g, b;
+        
+        if (fgColor)
+        {
+            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:fgColor];
+            
+            fg_r = (uint8_t)(r * 255.0f);
+            fg_g = (uint8_t)(g * 255.0f);
+            fg_b = (uint8_t)(b * 255.0f);
+        }
+        if (bgColor)
+        {
+            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:bgColor];
+            
+            bg_r = (uint8_t)(r * 255.0f);
+            bg_g = (uint8_t)(g * 255.0f);
+            bg_b = (uint8_t)(b * 255.0f);
+        }
+        
+        if (fgColor && isaColorTTY)
+        {
+            // Map foreground color to closest available shell color
+            
+            fgCodeIndex = [DDTTYLogger codeIndexForColor:fgColor];
+            fgCodeRaw   = [codes_fg objectAtIndex:fgCodeIndex];
+            
+            NSString *escapeSeq = @"\033[";
+            
+            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            NSUInteger len2 = [fgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            
+            BOOL escapeSeqEnc = [escapeSeq getCString:(fgCode)      maxLength:(len1+1) encoding:NSUTF8StringEncoding];
+            BOOL fgCodeRawEsc = [fgCodeRaw getCString:(fgCode+len1) maxLength:(len2+1) encoding:NSUTF8StringEncoding];
+            if (!escapeSeqEnc || !fgCodeRawEsc) return nil;
+            
+            fgCodeLen = len1+len2;
+        }
+        else if (fgColor && isaXcodeColorTTY)
+        {
+            // Convert foreground color to color code sequence
+            
+            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
+            
+            int result = snprintf(fgCode, 24, "%sfg%u,%u,%u;", escapeSeq, fg_r, fg_g, fg_b);
+            fgCodeLen = (NSUInteger)MAX(MIN(result, (24-1)), 0);
+        }
+        else
+        {
+            // No foreground color or no color support
+            
+            fgCode[0] = '\0';
+            fgCodeLen = 0;
+        }
+        
+        if (bgColor && isaColorTTY)
+        {
+            // Map background color to closest available shell color
+            
+            bgCodeIndex = [DDTTYLogger codeIndexForColor:bgColor];
+            bgCodeRaw   = [codes_bg objectAtIndex:bgCodeIndex];
+            
+            NSString *escapeSeq = @"\033[";
+            
+            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            NSUInteger len2 = [bgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            
+            BOOL escapeSeqEnc = [escapeSeq getCString:(bgCode)      maxLength:(len1+1) encoding:NSUTF8StringEncoding];
+            BOOL bgCodeRawEsc = [bgCodeRaw getCString:(bgCode+len1) maxLength:(len2+1) encoding:NSUTF8StringEncoding];
+            if (!escapeSeqEnc || !bgCodeRawEsc) return nil;
+            
+            bgCodeLen = len1+len2;
+        }
+        else if (bgColor && isaXcodeColorTTY)
+        {
+            // Convert background color to color code sequence
+            
+            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
+            
+            int result = snprintf(bgCode, 24, "%sbg%u,%u,%u;", escapeSeq, bg_r, bg_g, bg_b);
+            bgCodeLen = (NSUInteger)MAX(MIN(result, (24-1)), 0);
+        }
+        else
+        {
+            // No background color or no color support
+            
+            bgCode[0] = '\0';
+            bgCodeLen = 0;
+        }
+        
+        if (isaColorTTY)
+        {
+            resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, "\033[0m"), 0);
+        }
+        else if (isaXcodeColorTTY)
+        {
+            resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, XCODE_COLORS_RESET), 0);
+        }
+        else
+        {
+            resetCode[0] = '\0';
+            resetCodeLen = 0;
+        }
+    }
+    return self;
+}
+
+- (NSString *)description
+{
+    return [NSString stringWithFormat:
+            @"<DDTTYLoggerColorProfile: %p mask:%i ctxt:%i fg:%u,%u,%u bg:%u,%u,%u fgCode:%@ bgCode:%@>",
+            self, mask, context, fg_r, fg_g, fg_b, bg_r, bg_g, bg_b, fgCodeRaw, bgCodeRaw];
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.h b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.h
new file mode 100644
index 0000000..341f827
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.h
@@ -0,0 +1,63 @@
+#import <Foundation/Foundation.h>
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a log formatter that filters log statements from a logging context not on the whitelist.
+ * 
+ * A log formatter can be added to any logger to format and/or filter its output.
+ * You can learn more about log formatters here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * You can learn more about logging context's here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomContext
+ *
+ * But here's a quick overview / refresher:
+ * 
+ * Every log statement has a logging context.
+ * These come from the underlying logging macros defined in DDLog.h.
+ * The default logging context is zero.
+ * You can define multiple logging context's for use in your application.
+ * For example, logically separate parts of your app each have a different logging context.
+ * Also 3rd party frameworks that make use of Lumberjack generally use their own dedicated logging context.
+**/
+@interface DDContextWhitelistFilterLogFormatter : NSObject <DDLogFormatter>
+
+- (id)init;
+
+- (void)addToWhitelist:(int)loggingContext;
+- (void)removeFromWhitelist:(int)loggingContext;
+
+- (NSArray *)whitelist;
+
+- (BOOL)isOnWhitelist:(int)loggingContext;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This class provides a log formatter that filters log statements from a logging context on the blacklist.
+**/
+@interface DDContextBlacklistFilterLogFormatter : NSObject <DDLogFormatter>
+
+- (id)init;
+
+- (void)addToBlacklist:(int)loggingContext;
+- (void)removeFromBlacklist:(int)loggingContext;
+
+- (NSArray *)blacklist;
+
+- (BOOL)isOnBlacklist:(int)loggingContext;
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.m b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.m
new file mode 100644
index 0000000..dfed59b
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDContextFilterLogFormatter.m
@@ -0,0 +1,191 @@
+#import "DDContextFilterLogFormatter.h"
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface DDLoggingContextSet : NSObject
+
+- (void)addToSet:(int)loggingContext;
+- (void)removeFromSet:(int)loggingContext;
+
+- (NSArray *)currentSet;
+
+- (BOOL)isInSet:(int)loggingContext;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDContextWhitelistFilterLogFormatter
+{
+    DDLoggingContextSet *contextSet;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        contextSet = [[DDLoggingContextSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToWhitelist:(int)loggingContext
+{
+    [contextSet addToSet:loggingContext];
+}
+
+- (void)removeFromWhitelist:(int)loggingContext
+{
+    [contextSet removeFromSet:loggingContext];
+}
+
+- (NSArray *)whitelist
+{
+    return [contextSet currentSet];
+}
+
+- (BOOL)isOnWhitelist:(int)loggingContext
+{
+    return [contextSet isInSet:loggingContext];
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    if ([self isOnWhitelist:logMessage->logContext])
+        return logMessage->logMsg;
+    else
+        return nil;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDContextBlacklistFilterLogFormatter
+{
+    DDLoggingContextSet *contextSet;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        contextSet = [[DDLoggingContextSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToBlacklist:(int)loggingContext
+{
+    [contextSet addToSet:loggingContext];
+}
+
+- (void)removeFromBlacklist:(int)loggingContext
+{
+    [contextSet removeFromSet:loggingContext];
+}
+
+- (NSArray *)blacklist
+{
+    return [contextSet currentSet];
+}
+
+- (BOOL)isOnBlacklist:(int)loggingContext
+{
+    return [contextSet isInSet:loggingContext];
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    if ([self isOnBlacklist:logMessage->logContext])
+        return nil;
+    else
+        return logMessage->logMsg;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLoggingContextSet
+{
+    OSSpinLock lock;
+    NSMutableSet *set;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        set = [[NSMutableSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToSet:(int)loggingContext
+{
+    OSSpinLockLock(&lock);
+    {
+        [set addObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+- (void)removeFromSet:(int)loggingContext
+{
+    OSSpinLockLock(&lock);
+    {
+        [set removeObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+- (NSArray *)currentSet
+{
+    NSArray *result = nil;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = [set allObjects];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+- (BOOL)isInSet:(int)loggingContext
+{
+    BOOL result = NO;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = [set containsObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.h b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.h
new file mode 100644
index 0000000..15949d7
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.h
@@ -0,0 +1,128 @@
+#import <Foundation/Foundation.h>
+#import <libkern/OSAtomic.h>
+#import "DDLog.h"
+
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a log formatter that prints the dispatch_queue label instead of the mach_thread_id.
+ * 
+ * A log formatter can be added to any logger to format and/or filter its output.
+ * You can learn more about log formatters here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * A typical NSLog (or DDTTYLogger) prints detailed info as [<process_id>:<thread_id>].
+ * For example:
+ * 
+ * 2011-10-17 20:21:45.435 AppName[19928:5207] Your log message here
+ * 
+ * Where:
+ * - 19928 = process id
+ * -  5207 = thread id (mach_thread_id printed in hex)
+ * 
+ * When using grand central dispatch (GCD), this information is less useful.
+ * This is because a single serial dispatch queue may be run on any thread from an internally managed thread pool.
+ * For example:
+ * 
+ * 2011-10-17 20:32:31.111 AppName[19954:4d07] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.112 AppName[19954:5207] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.113 AppName[19954:2c55] Message from my_serial_dispatch_queue
+ * 
+ * This formatter allows you to replace the standard [box:info] with the dispatch_queue name.
+ * For example:
+ * 
+ * 2011-10-17 20:32:31.111 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.112 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.113 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 
+ * If the dispatch_queue doesn't have a set name, then it falls back to the thread name.
+ * If the current thread doesn't have a set name, then it falls back to the mach_thread_id in hex (like normal).
+ * 
+ * Note: If manually creating your own background threads (via NSThread/alloc/init or NSThread/detachNeThread),
+ * you can use [[NSThread currentThread] setName:(NSString *)].
+**/
+@interface DDDispatchQueueLogFormatter : NSObject <DDLogFormatter> {
+@protected
+    
+    NSString *dateFormatString;
+}
+
+/**
+ * Standard init method.
+ * Configure using properties as desired.
+**/
+- (id)init;
+
+/**
+ * The minQueueLength restricts the minimum size of the [detail box].
+ * If the minQueueLength is set to 0, there is no restriction.
+ * 
+ * For example, say a dispatch_queue has a label of "diskIO":
+ * 
+ * If the minQueueLength is 0: [diskIO]
+ * If the minQueueLength is 4: [diskIO]
+ * If the minQueueLength is 5: [diskIO]
+ * If the minQueueLength is 6: [diskIO]
+ * If the minQueueLength is 7: [diskIO ]
+ * If the minQueueLength is 8: [diskIO  ]
+ * 
+ * The default minQueueLength is 0 (no minimum, so [detail box] won't be padded).
+ * 
+ * If you want every [detail box] to have the exact same width,
+ * set both minQueueLength and maxQueueLength to the same value.
+**/
+@property (assign, atomic) NSUInteger minQueueLength;
+
+/**
+ * The maxQueueLength restricts the number of characters that will be inside the [detail box].
+ * If the maxQueueLength is 0, there is no restriction.
+ * 
+ * For example, say a dispatch_queue has a label of "diskIO":
+ *
+ * If the maxQueueLength is 0: [diskIO]
+ * If the maxQueueLength is 4: [disk]
+ * If the maxQueueLength is 5: [diskI]
+ * If the maxQueueLength is 6: [diskIO]
+ * If the maxQueueLength is 7: [diskIO]
+ * If the maxQueueLength is 8: [diskIO]
+ * 
+ * The default maxQueueLength is 0 (no maximum, so [detail box] won't be truncated).
+ * 
+ * If you want every [detail box] to have the exact same width,
+ * set both minQueueLength and maxQueueLength to the same value.
+**/
+@property (assign, atomic) NSUInteger maxQueueLength;
+
+/**
+ * Sometimes queue labels have long names like "com.apple.main-queue",
+ * but you'd prefer something shorter like simply "main".
+ * 
+ * This method allows you to set such preferred replacements.
+ * The above example is set by default.
+ * 
+ * To remove/undo a previous replacement, invoke this method with nil for the 'shortLabel' parameter.
+**/
+- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel;
+- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel;
+
+@end
+
+/**
+ * Method declarations that make it easier to extend/modify DDDispatchQueueLogFormatter
+**/
+@interface DDDispatchQueueLogFormatter (OverridableMethods)
+
+- (NSString *)stringFromDate:(NSDate *)date;
+- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage;
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
+
+@end
+
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.m b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.m
new file mode 100644
index 0000000..9bf0593
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDDispatchQueueLogFormatter.m
@@ -0,0 +1,260 @@
+#import "DDDispatchQueueLogFormatter.h"
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation DDDispatchQueueLogFormatter
+{
+    int32_t atomicLoggerCount;
+    NSDateFormatter *threadUnsafeDateFormatter; // Use [self stringFromDate]
+    
+    OSSpinLock lock;
+    
+    NSUInteger _minQueueLength;           // _prefix == Only access via atomic property
+    NSUInteger _maxQueueLength;           // _prefix == Only access via atomic property
+    NSMutableDictionary *_replacements;   // _prefix == Only access from within spinlock
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        dateFormatString = @"yyyy-MM-dd HH:mm:ss:SSS";
+        
+        atomicLoggerCount = 0;
+        threadUnsafeDateFormatter = nil;
+        
+        _minQueueLength = 0;
+        _maxQueueLength = 0;
+        _replacements = [[NSMutableDictionary alloc] init];
+        
+        // Set default replacements:
+        
+        _replacements[@"com.apple.main-thread"] = @"main";
+    }
+    return self;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize minQueueLength = _minQueueLength;
+@synthesize maxQueueLength = _maxQueueLength;
+
+- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel
+{
+    NSString *result = nil;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = _replacements[longLabel];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel
+{
+    OSSpinLockLock(&lock);
+    {
+        if (shortLabel)
+            _replacements[longLabel] = shortLabel;
+        else
+            [_replacements removeObjectForKey:longLabel];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark DDLogFormatter
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)stringFromDate:(NSDate *)date
+{
+    int32_t loggerCount = OSAtomicAdd32(0, &atomicLoggerCount);
+    
+    NSString *calendarIdentifier = nil;
+#if defined(__IPHONE_8_0) || defined(__MAC_10_10)
+    calendarIdentifier = NSCalendarIdentifierGregorian;
+#else
+    calendarIdentifier = NSGregorianCalendar;
+#endif
+    
+    if (loggerCount <= 1)
+    {
+        // Single-threaded mode.
+        
+        if (threadUnsafeDateFormatter == nil)
+        {
+            threadUnsafeDateFormatter = [[NSDateFormatter alloc] init];
+            [threadUnsafeDateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+            [threadUnsafeDateFormatter setDateFormat:dateFormatString];
+        }
+        
+        [threadUnsafeDateFormatter setCalendar:[[NSCalendar alloc] initWithCalendarIdentifier:calendarIdentifier]];
+        return [threadUnsafeDateFormatter stringFromDate:date];
+    }
+    else
+    {
+        // Multi-threaded mode.
+        // NSDateFormatter is NOT thread-safe.
+        
+        NSString *key = @"DispatchQueueLogFormatter_NSDateFormatter";
+        
+        NSMutableDictionary *threadDictionary = [[NSThread currentThread] threadDictionary];
+        NSDateFormatter *dateFormatter = threadDictionary[key];
+        
+        if (dateFormatter == nil)
+        {
+            dateFormatter = [[NSDateFormatter alloc] init];
+            [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+            [dateFormatter setDateFormat:dateFormatString];
+            
+            threadDictionary[key] = dateFormatter;
+        }
+        
+        [dateFormatter setCalendar:[[NSCalendar alloc] initWithCalendarIdentifier:calendarIdentifier]];
+        return [dateFormatter stringFromDate:date];
+    }
+}
+
+- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage
+{
+    // As per the DDLogFormatter contract, this method is always invoked on the same thread/dispatch_queue
+    
+    NSUInteger minQueueLength = self.minQueueLength;
+    NSUInteger maxQueueLength = self.maxQueueLength;
+    
+    // Get the name of the queue, thread, or machID (whichever we are to use).
+    
+    NSString *queueThreadLabel = nil;
+    
+    BOOL useQueueLabel = YES;
+    BOOL useThreadName = NO;
+    
+    if (logMessage->queueLabel)
+    {
+        // If you manually create a thread, it's dispatch_queue will have one of the thread names below.
+        // Since all such threads have the same name, we'd prefer to use the threadName or the machThreadID.
+        
+        char *names[] = { "com.apple.root.low-priority",
+                          "com.apple.root.default-priority",
+                          "com.apple.root.high-priority",
+                          "com.apple.root.low-overcommit-priority",
+                          "com.apple.root.default-overcommit-priority",
+                          "com.apple.root.high-overcommit-priority"     };
+        
+        int length = sizeof(names) / sizeof(char *);
+        
+        int i;
+        for (i = 0; i < length; i++)
+        {
+            if (strcmp(logMessage->queueLabel, names[i]) == 0)
+            {
+                useQueueLabel = NO;
+                useThreadName = [logMessage->threadName length] > 0;
+                break;
+            }
+        }
+    }
+    else
+    {
+        useQueueLabel = NO;
+        useThreadName = [logMessage->threadName length] > 0;
+    }
+    
+    if (useQueueLabel || useThreadName)
+    {
+        NSString *fullLabel;
+        NSString *abrvLabel;
+        
+        if (useQueueLabel)
+            fullLabel = @(logMessage->queueLabel);
+        else
+            fullLabel = logMessage->threadName;
+        
+        OSSpinLockLock(&lock);
+        {
+            abrvLabel = _replacements[fullLabel];
+        }
+        OSSpinLockUnlock(&lock);
+        
+        if (abrvLabel)
+            queueThreadLabel = abrvLabel;
+        else
+            queueThreadLabel = fullLabel;
+    }
+    else
+    {
+        queueThreadLabel = [NSString stringWithFormat:@"%x", logMessage->machThreadID];
+    }
+    
+    // Now use the thread label in the output
+    
+    NSUInteger labelLength = [queueThreadLabel length];
+    
+    // labelLength > maxQueueLength : truncate
+    // labelLength < minQueueLength : padding
+    //                              : exact
+    
+    if ((maxQueueLength > 0) && (labelLength > maxQueueLength))
+    {
+        // Truncate
+        
+        return [queueThreadLabel substringToIndex:maxQueueLength];
+    }
+    else if (labelLength < minQueueLength)
+    {
+        // Padding
+        
+        NSUInteger numSpaces = minQueueLength - labelLength;
+        
+        char spaces[numSpaces + 1];
+        memset(spaces, ' ', numSpaces);
+        spaces[numSpaces] = '\0';
+        
+        return [NSString stringWithFormat:@"%@%s", queueThreadLabel, spaces];
+    }
+    else
+    {
+        // Exact
+        
+        return queueThreadLabel;
+    }
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    NSString *timestamp = [self stringFromDate:(logMessage->timestamp)];
+    NSString *queueThreadLabel = [self queueThreadLabelForLogMessage:logMessage];
+    
+    return [NSString stringWithFormat:@"%@ [%@] %@", timestamp, queueThreadLabel, logMessage->logMsg];
+}
+
+- (void)didAddToLogger:(id <DDLogger>)logger
+{
+    OSAtomicIncrement32(&atomicLoggerCount);
+}
+
+- (void)willRemoveFromLogger:(id <DDLogger>)logger
+{
+    OSAtomicDecrement32(&atomicLoggerCount);
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.h b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.h
new file mode 100644
index 0000000..c9876aa
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.h
@@ -0,0 +1,30 @@
+#import <Foundation/Foundation.h>
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ *
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ *
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ *
+ *
+ * This formatter can be used to chain different formatters together.
+ * The log message will processed in the order of the formatters added.
+ **/
+
+@interface DDMultiFormatter : NSObject <DDLogFormatter>
+
+/**
+ *  Array of chained formatters
+ */
+@property (readonly) NSArray *formatters;
+
+- (void)addFormatter:(id<DDLogFormatter>)formatter;
+- (void)removeFormatter:(id<DDLogFormatter>)formatter;
+- (void)removeAllFormatters;
+- (BOOL)isFormattingWithFormatter:(id<DDLogFormatter>)formatter;
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.m b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.m
similarity index 73%
rename from Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.m
rename to Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.m
index c647da3..6e183db 100644
--- a/Example/Pods/CocoaLumberjack/Classes/Extensions/DDMultiFormatter.m
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/DDMultiFormatter.m
@@ -1,31 +1,22 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
 #import "DDMultiFormatter.h"
 
+/**
+ * Welcome to Cocoa Lumberjack!
+ *
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ *
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ **/
 
-#if TARGET_OS_IOS
+#if TARGET_OS_IPHONE
 // Compiling for iOS
 #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later
 #define NEEDS_DISPATCH_RETAIN_RELEASE 0
 #else                                         // iOS 5.X or earlier
 #define NEEDS_DISPATCH_RETAIN_RELEASE 1
 #endif
-#elif TARGET_OS_WATCH || TARGET_OS_TV
-// Compiling for watchOS, tvOS
-#define NEEDS_DISPATCH_RETAIN_RELEASE 0
 #else
 // Compiling for Mac OS X
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080     // Mac OS X 10.8 or later
@@ -36,26 +27,25 @@
 #endif
 
 
-#if !__has_feature(objc_arc)
+#if ! __has_feature(objc_arc)
 #error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
 
-@interface DDMultiFormatter () {
-    dispatch_queue_t _queue;
-    NSMutableArray *_formatters;
-}
+@interface DDMultiFormatter ()
 
 - (DDLogMessage *)logMessageForLine:(NSString *)line originalMessage:(DDLogMessage *)message;
 
 @end
 
 
-@implementation DDMultiFormatter
+@implementation DDMultiFormatter {
+    dispatch_queue_t _queue;
+    NSMutableArray *_formatters;
+}
 
-- (instancetype)init {
+- (id)init {
     self = [super init];
-
     if (self) {
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
         _queue = dispatch_queue_create("cocoa.lumberjack.multiformatter", DISPATCH_QUEUE_CONCURRENT);
@@ -64,7 +54,7 @@
 #endif
         _formatters = [NSMutableArray new];
     }
-
+    
     return self;
 }
 
@@ -72,32 +62,30 @@
 - (void)dealloc {
     dispatch_release(_queue);
 }
-
 #endif
 
 #pragma mark Processing
 
 - (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
-    __block NSString *line = logMessage->_message;
-
+    __block NSString *line = logMessage->logMsg;
+    
     dispatch_sync(_queue, ^{
         for (id<DDLogFormatter> formatter in _formatters) {
             DDLogMessage *message = [self logMessageForLine:line originalMessage:logMessage];
             line = [formatter formatLogMessage:message];
-
+            
             if (!line) {
                 break;
             }
         }
     });
-
+    
     return line;
 }
 
 - (DDLogMessage *)logMessageForLine:(NSString *)line originalMessage:(DDLogMessage *)message {
     DDLogMessage *newMessage = [message copy];
-
-    newMessage->_message = line;
+    newMessage->logMsg = line;
     return newMessage;
 }
 
@@ -105,11 +93,11 @@
 
 - (NSArray *)formatters {
     __block NSArray *formatters;
-
+    
     dispatch_sync(_queue, ^{
         formatters = [_formatters copy];
     });
-
+    
     return formatters;
 }
 
@@ -133,11 +121,11 @@
 
 - (BOOL)isFormattingWithFormatter:(id<DDLogFormatter>)formatter {
     __block BOOL hasFormatter;
-
+    
     dispatch_sync(_queue, ^{
         hasFormatter = [_formatters containsObject:formatter];
     });
-
+    
     return hasFormatter;
 }
 
diff --git a/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/README.txt b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/README.txt
new file mode 100644
index 0000000..0ff3d93
--- /dev/null
+++ b/Example/Pods/CocoaLumberjack/Lumberjack/Extensions/README.txt
@@ -0,0 +1,7 @@
+This folder contains some sample formatters that may be helpful.
+
+Feel free to change them, extend them, or use them as the basis for your own custom formatter(s).
+
+More information about creating your own custom formatters can be found on the wiki:
+https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+
diff --git a/Example/Pods/CocoaLumberjack/README.md b/Example/Pods/CocoaLumberjack/README.md
index 893fa53..da60504 100644
--- a/Example/Pods/CocoaLumberjack/README.md
+++ b/Example/Pods/CocoaLumberjack/README.md
@@ -4,133 +4,14 @@
 
 CocoaLumberjack
 ===============
-[![Build Status](https://travis-ci.org/CocoaLumberjack/CocoaLumberjack.svg?branch=master)](https://travis-ci.org/CocoaLumberjack/CocoaLumberjack)
+[![Build Status](http://img.shields.io/travis/CocoaLumberjack/CocoaLumberjack/master.svg?style=flat)](https://travis-ci.org/CocoaLumberjack/CocoaLumberjack)
 [![Pod Version](http://img.shields.io/cocoapods/v/CocoaLumberjack.svg?style=flat)](http://cocoadocs.org/docsets/CocoaLumberjack/)
-[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![Pod Platform](http://img.shields.io/cocoapods/p/CocoaLumberjack.svg?style=flat)](http://cocoadocs.org/docsets/CocoaLumberjack/)
 [![Pod License](http://img.shields.io/cocoapods/l/CocoaLumberjack.svg?style=flat)](http://opensource.org/licenses/BSD-3-Clause)
 [![Reference Status](https://www.versioneye.com/objective-c/cocoalumberjack/reference_badge.svg?style=flat)](https://www.versioneye.com/objective-c/cocoalumberjack/references)
 
 **CocoaLumberjack** is a fast & simple, yet powerful & flexible logging framework for Mac and iOS.
 
-### How to get started
-- install via [CocoaPods](http://cocoapods.org)
-
-##### Swift version via CocoaPods
-```ruby
-platform :ios, '8.0'
-pod 'CocoaLumberjack/Swift'
-use_frameworks!
-```
-Note: `Swift` is a subspec which will include all the Obj-C code plus the Swift one, so this is sufficient. 
-For more details about how to use Swift with Lumberjack, see [this converation](https://github.com/CocoaLumberjack/CocoaLumberjack/issues/405).
-
-##### Swift Usage
-
-If you installed using CocoaPods or manually:
-```swift
-import CocoaLumberjack
-```
-
-```swift
-DDLog.addLogger(DDTTYLogger.sharedInstance()) // TTY = Xcode console
-DDLog.addLogger(DDASLLogger.sharedInstance()) // ASL = Apple System Logs
-
-let fileLogger: DDFileLogger = DDFileLogger() // File Logger
-fileLogger.rollingFrequency = 60*60*24  // 24 hours
-fileLogger.logFileManager.maximumNumberOfLogFiles = 7
-DDLog.addLogger(fileLogger)
-
-...
-
-DDLogVerbose("Verbose");
-DDLogDebug("Debug");
-DDLogInfo("Info");
-DDLogWarn("Warn");
-DDLogError("Error");
-```
-
-##### Obj-C version via CocoaPods
-
-```ruby
-platform :ios, '7.0'
-pod 'CocoaLumberjack'
-```
-
-##### Objc-C usage
-If you're using Lumberjack as a framework, you can `@import CocoaLumberjack`.
-
-Otherwise, `#import <CocoaLumberjack/CocoaLumberjack.h>`
-
-```objc
-[DDLog addLogger:[DDTTYLogger sharedInstance]]; // TTY = Xcode console
-[DDLog addLogger:[DDASLLogger sharedInstance]]; // ASL = Apple System Logs
-
-DDFileLogger *fileLogger = [[DDFileLogger alloc] init]; // File Logger
-fileLogger.rollingFrequency = 60 * 60 * 24; // 24 hour rolling
-fileLogger.logFileManager.maximumNumberOfLogFiles = 7;
-[DDLog addLogger:fileLogger];
-
-...
-
-DDLogVerbose(@"Verbose");
-DDLogDebug(@"Debug");
-DDLogInfo(@"Info");
-DDLogWarn(@"Warn");
-DDLogError(@"Error");
-```
-
-##### Installation with Carthage (iOS 8+)
-
-[Carthage](https://github.com/Carthage/Carthage) is a lightweight dependency manager for Swift and Objective-C. It leverages CocoaTouch modules and is less invasive than CocoaPods.
-
-To install with Carthage, follow the instruction on [Carthage](https://github.com/Carthage/Carthage)
-
-Cartfile
-```
-github "CocoaLumberjack/CocoaLumberjack"
-```
-
-- or [install manually](Documentation/GettingStarted.md#manual-installation)
-- read the [Getting started](Documentation/GettingStarted.md) guide, check out the [FAQ](Documentation/FAQ.md) section or the other [docs](Documentation/)
-- if you find issues or want to suggest improvements, create an issue or a pull request
-- for all kinds of questions involving CocoaLumberjack, use the [Google group](http://groups.google.com/group/cocoalumberjack) or StackOverflow (use [#lumberjack](http://stackoverflow.com/questions/tagged/lumberjack)).
-
-### CocoaLumberjack 2
-
-#### Migrating to 2.x
-
-* Replace `DDLog.h` imports by `#import <CocoaLumberjack/CocoaLumberjack.h>`.
-
-Advanced users, third party libraries:
-
-* Replace all `DDLogC` macros for regular `DDLog` macros.
-* Replace log level (`LOG_LEVEL_*`) macros with `DDLogLevel` enum values
-* Replace log flag (`LOG_FLAG_*`) macros with `DDLogFlag` enum values
-* Replace `DDLogMessage` ivars and method calls to the new ivars and methods
-  * `logMsg` with `_message`
-  * `logLevel` with `_level`
-  * `logFlag` with `_flag`
-  * `logContext` with `_context`
-  * `lineNumber` with `_line` (type changed from `int` to `NSUInteger`)
-  * `file` with `_file` (`filename` contains just the file name, without the extension and the full path)
-  * `timestamp` with `_timestamp`
-  * `methodName` with `function`
-* Replace `DDAbstractLogger` `formatter` to `logFormatter`
-* `YSSingleFileLogger` ivars are no longer accesible, use the methods instead
-* Replace `[DDLog addLogger:withLogLevel:]` with `[DDLog addLogger:withLevel:]`
-
-#### Forcing 1.x
-
-If an included library requires it, you can force CocoaLumberjack 1.x by setting the version before the conflicting library:
-
-```ruby
-pod 'CocoaLumberjack', '~> 1.9'
-pod 'ConflictingLibrary'
-```
-
-### Features
-
 #### Lumberjack is Fast & Simple, yet Powerful & Flexible.
 
 It is similar in concept to other popular logging frameworks such as log4j, yet is designed specifically for Objective-C, and takes advantage of features such as multi-threading, grand central dispatch (if available), lockless atomic operations, and the dynamic nature of the Objective-C runtime.
@@ -158,30 +39,33 @@ Configure your logging however you want. Change log levels per file (perfect for
 -   You're looking to take your application to the next level in terms of support and stability.
 -   You're looking for an enterprise level logging solution for your application (Mac or iPhone).
 
-### Documentation
+### How to get started
+- install via [CocoaPods](http://cocoapods.org)
 
-- **[Get started using Lumberjack](Documentation/GettingStarted.md)**<br/>
-- [Different log levels for Debug and Release builds](Documentation/XcodeTricks.md)<br/>
-- [Different log levels for each logger](Documentation/PerLoggerLogLevels.md)<br/>
-- [Use colors in the Xcode debugging console](Documentation/XcodeColors.md)<br/>
-- [Write your own custom formatters](Documentation/CustomFormatters.md)<br/>
-- [FAQ](Documentation/FAQ.md)<br/>
-- [Analysis of performance with benchmarks](Documentation/Performance.md)<br/>
-- [Common issues you may encounter and their solutions](Documentation/ProblemSolution.md)<br/>
-- [AppCode support](Documentation/AppCode-support.md)
-- **[Full Lumberjack documentation](Documentation/)**<br/>
+```ruby
+platform :ios, '6.1'
+pod 'CocoaLumberjack'
+```
+- read the [Getting started](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted) guide, check out the [FAQ](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/FAQ) section or the other [docs](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki)
+- if you find issues or want to suggest improvements, create an issue or a pull request
+- for all kinds of questions involving CocoaLumberjack, use the [Google group](http://groups.google.com/group/cocoalumberjack) or StackOverflow (use [#lumberjack](http://stackoverflow.com/questions/tagged/lumberjack)).
+
+### Documentation
+- **[Get started using Lumberjack](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted)**<br/>
+- [Different log levels for Debug and Release builds](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/XcodeTricks)<br/>
+- [Different log levels for each logger](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/PerLoggerLogLevels)<br/>
+- [Use colors in the Xcode debugging console](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/XcodeColors)<br/>
+- [Write your own custom formatters](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters)<br/>
+- [FAQ](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/FAQ)<br/>
+- [Analysis of performance with benchmarks](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/Performance)<br/>
+- [Common issues you may encounter and their solutions](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/ProblemSolution)<br/>
+- [AppCode support](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/AppCode-support)
+- **[full Lumberjack wiki](https://github.com/CocoaLumberjack/CocoaLumberjack/wiki)**<br/>
 
 ### Requirements 
-The current version of Lumberjack requires:
-- Xcode 7.1 or later
+- Xcode 4.4 or later is required
 - iOS 5 or later
 - OS X 10.7 or later
-- WatchOS 2 or later
-- TVOS 9 or later
-
-#### Backwards compability
-- for Xcode 7.0 or earlier, use the 2.1.0 version
-- for Xcode 6 or earlier, use the 2.0.x version
 - for OS X < 10.7 support, use the 1.6.0 version
 
 ### Author
diff --git a/Example/Pods/Local Podspecs/PNXMPPFramework.podspec.json b/Example/Pods/Local Podspecs/PNXMPPFramework.podspec.json
index 073a157..7744890 100644
--- a/Example/Pods/Local Podspecs/PNXMPPFramework.podspec.json	
+++ b/Example/Pods/Local Podspecs/PNXMPPFramework.podspec.json	
@@ -2,13 +2,13 @@
   "name": "PNXMPPFramework",
   "version": "0.1.0",
   "summary": "A short  of PNXMPPFramework.",
-  "homepage": "https://github.com/<GITHUB_USERNAME>/PNXMPPFramework",
+  "homepage": "https://github.com/giuseppenucifora/PNXMPPFramework",
   "license": "MIT",
   "authors": {
     "Giuseppe Nucifora": "me@giuseppenucifora.com"
   },
   "source": {
-    "git": "https://github.com/<GITHUB_USERNAME>/PNXMPPFramework.git",
+    "git": "https://github.com/giuseppenucifora/PNXMPPFramework.git",
     "tag": "0.1.0"
   },
   "platforms": {
@@ -16,24 +16,509 @@
   },
   "requires_arc": true,
   "source_files": "Pod/Classes/**/*",
+  "resources": [
+    "**/*.{xcdatamodel,xcdatamodeld}"
+  ],
   "resource_bundles": {
     "PNXMPPFramework": [
       "Pod/Assets/*.png"
     ]
   },
-  "dependencies": {
-    "CocoaLumberjack": [
+  "preserve_paths": "PNXMPPFramework/module/module.modulemap",
+  "subspecs": [
+    {
+      "name": "Core",
+      "source_files": [
+        "XMPPFramework.h",
+        "Core/**/*.{h,m}",
+        "Vendor/libidn/*.h",
+        "Authentication/**/*.{h,m}",
+        "Categories/**/*.{h,m}",
+        "Utilities/**/*.{h,m}"
+      ],
+      "vendored_libraries": "Vendor/libidn/libidn.a",
+      "libraries": [
+        "xml2",
+        "resolv"
+      ],
+      "xcconfig": {
+        "HEADER_SEARCH_PATHS": "$(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv",
+        "LIBRARY_SEARCH_PATHS": "\"$(PODS_ROOT)/Vendor/libidn\"",
+        "CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES": "YES",
+        "OTHER_LDFLAGS": "\"-lxml2\"",
+        "ENABLE_BITCODE": "NO"
+      },
+      "dependencies": {
+        "CocoaLumberjack": [
+          "~>1.9"
+        ],
+        "CocoaAsyncSocket": [
 
-    ],
-    "CocoaAsyncSocket": [
+        ],
+        "KissXML": [
 
-    ]
-  },
-  "ios": {
-    "dependencies": {
-      "KissXML": [
+        ]
+      }
+    },
+    {
+      "name": "Authentication",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
 
-      ]
+        ]
+      }
+    },
+    {
+      "name": "Categories",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      }
+    },
+    {
+      "name": "Utilities",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      }
+    },
+    {
+      "name": "BandwidthMonitor",
+      "source_files": "Extensions/BandwidthMonitor/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "CoreDataStorage",
+      "source_files": [
+        "Extensions/CoreDataStorage/**/*.{h,m}",
+        "Extensions/XEP-0203/NSXMLElement+XEP_0203.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD",
+      "frameworks": "CoreData"
+    },
+    {
+      "name": "GoogleSharedStatus",
+      "source_files": "Extensions/GoogleSharedStatus/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "ProcessOne",
+      "source_files": "Extensions/ProcessOne/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "Reconnect",
+      "source_files": "Extensions/Reconnect/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD",
+      "frameworks": "SystemConfiguration"
+    },
+    {
+      "name": "Roster",
+      "source_files": "Extensions/Roster/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/CoreDataStorage": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "SystemInputActivityMonitor",
+      "source_files": [
+        "Extensions/SystemInputActivityMonitor/**/*.{h,m}",
+        "Utilities/GCDMulticastDelegate.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0009",
+      "source_files": "Extensions/XEP-0009/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0012",
+      "source_files": "Extensions/XEP-0012/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0016",
+      "source_files": "Extensions/XEP-0016/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0045",
+      "source_files": "Extensions/XEP-0045/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/CoreDataStorage": [
+
+        ],
+        "PNXMPPFramework/XEP-0203": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0054",
+      "source_files": [
+        "Extensions/XEP-0054/**/*.{h,m}",
+        "Extensions/XEP-0153/XMPPvCardAvatarModule.h",
+        "Extensions/XEP-0082/XMPPDateTimeProfiles.h",
+        "Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/Roster": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD",
+      "frameworks": "CoreLocation"
+    },
+    {
+      "name": "XEP-0059",
+      "source_files": "Extensions/XEP-0059/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0060",
+      "source_files": "Extensions/XEP-0060/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0065",
+      "source_files": "Extensions/XEP-0065/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0066",
+      "source_files": "Extensions/XEP-0066/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0082",
+      "source_files": "Extensions/XEP-0082/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0085",
+      "source_files": "Extensions/XEP-0085/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0092",
+      "source_files": "Extensions/XEP-0092/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0100",
+      "source_files": "Extensions/XEP-0100/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0106",
+      "source_files": "Extensions/XEP-0106/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0115",
+      "source_files": "Extensions/XEP-0115/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/CoreDataStorage": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0136",
+      "source_files": "Extensions/XEP-0136/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/CoreDataStorage": [
+
+        ],
+        "PNXMPPFramework/XEP-0203": [
+
+        ],
+        "PNXMPPFramework/XEP-0085": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0153",
+      "source_files": [
+        "Extensions/XEP-0153/**/*.{h,m}",
+        "Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/XEP-0054": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0172",
+      "source_files": "Extensions/XEP-0172/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0184",
+      "source_files": "Extensions/XEP-0184/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0191",
+      "source_files": "Extensions/XEP-0191/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0198",
+      "source_files": "Extensions/XEP-0198/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0199",
+      "source_files": "Extensions/XEP-0199/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0202",
+      "source_files": "Extensions/XEP-0202/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/XEP-0082": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0203",
+      "source_files": "Extensions/XEP-0203/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/XEP-0082": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0223",
+      "source_files": "Extensions/XEP-0223/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0224",
+      "source_files": "Extensions/XEP-0224/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0280",
+      "source_files": [
+        "Extensions/XEP-0280/**/*.{h,m}",
+        "Extensions/XEP-0297/NSXMLElement+XEP_0297.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0297",
+      "source_files": [
+        "Extensions/XEP-0297/**/*.{h,m}",
+        "Extensions/XEP-0203/**/*.h"
+      ],
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ],
+        "PNXMPPFramework/XEP-0203": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0308",
+      "source_files": "Extensions/XEP-0308/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0333",
+      "source_files": "Extensions/XEP-0333/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
+    },
+    {
+      "name": "XEP-0335",
+      "source_files": "Extensions/XEP-0335/**/*.{h,m}",
+      "dependencies": {
+        "PNXMPPFramework/Core": [
+
+        ]
+      },
+      "prefix_header_contents": "#define HAVE_XMPP_SUBSPEC_POD"
     }
-  }
+  ]
 }
diff --git a/Example/Pods/Manifest.lock b/Example/Pods/Manifest.lock
index e9e0ea4..3fc1cbe 100644
--- a/Example/Pods/Manifest.lock
+++ b/Example/Pods/Manifest.lock
@@ -6,14 +6,11 @@ PODS:
     - CocoaAsyncSocket/RunLoop
   - CocoaAsyncSocket/GCD (7.4.3)
   - CocoaAsyncSocket/RunLoop (7.4.3)
-  - CocoaLumberjack (2.2.0):
-    - CocoaLumberjack/Default (= 2.2.0)
-    - CocoaLumberjack/Extensions (= 2.2.0)
-  - CocoaLumberjack/Core (2.2.0)
-  - CocoaLumberjack/Default (2.2.0):
+  - CocoaLumberjack (1.9.2):
+    - CocoaLumberjack/Extensions (= 1.9.2)
+  - CocoaLumberjack/Core (1.9.2)
+  - CocoaLumberjack/Extensions (1.9.2):
     - CocoaLumberjack/Core
-  - CocoaLumberjack/Extensions (2.2.0):
-    - CocoaLumberjack/Default
   - FBSnapshotTestCase (2.0.7):
     - FBSnapshotTestCase/SwiftSupport (= 2.0.7)
   - FBSnapshotTestCase/Core (2.0.7)
@@ -25,9 +22,145 @@ PODS:
   - KissXML/Standard (5.0.3):
     - KissXML/Core
   - PNXMPPFramework (0.1.0):
+    - PNXMPPFramework/Authentication (= 0.1.0)
+    - PNXMPPFramework/BandwidthMonitor (= 0.1.0)
+    - PNXMPPFramework/Categories (= 0.1.0)
+    - PNXMPPFramework/Core (= 0.1.0)
+    - PNXMPPFramework/CoreDataStorage (= 0.1.0)
+    - PNXMPPFramework/GoogleSharedStatus (= 0.1.0)
+    - PNXMPPFramework/ProcessOne (= 0.1.0)
+    - PNXMPPFramework/Reconnect (= 0.1.0)
+    - PNXMPPFramework/Roster (= 0.1.0)
+    - PNXMPPFramework/SystemInputActivityMonitor (= 0.1.0)
+    - PNXMPPFramework/Utilities (= 0.1.0)
+    - PNXMPPFramework/XEP-0009 (= 0.1.0)
+    - PNXMPPFramework/XEP-0012 (= 0.1.0)
+    - PNXMPPFramework/XEP-0016 (= 0.1.0)
+    - PNXMPPFramework/XEP-0045 (= 0.1.0)
+    - PNXMPPFramework/XEP-0054 (= 0.1.0)
+    - PNXMPPFramework/XEP-0059 (= 0.1.0)
+    - PNXMPPFramework/XEP-0060 (= 0.1.0)
+    - PNXMPPFramework/XEP-0065 (= 0.1.0)
+    - PNXMPPFramework/XEP-0066 (= 0.1.0)
+    - PNXMPPFramework/XEP-0082 (= 0.1.0)
+    - PNXMPPFramework/XEP-0085 (= 0.1.0)
+    - PNXMPPFramework/XEP-0092 (= 0.1.0)
+    - PNXMPPFramework/XEP-0100 (= 0.1.0)
+    - PNXMPPFramework/XEP-0106 (= 0.1.0)
+    - PNXMPPFramework/XEP-0115 (= 0.1.0)
+    - PNXMPPFramework/XEP-0136 (= 0.1.0)
+    - PNXMPPFramework/XEP-0153 (= 0.1.0)
+    - PNXMPPFramework/XEP-0172 (= 0.1.0)
+    - PNXMPPFramework/XEP-0184 (= 0.1.0)
+    - PNXMPPFramework/XEP-0191 (= 0.1.0)
+    - PNXMPPFramework/XEP-0198 (= 0.1.0)
+    - PNXMPPFramework/XEP-0199 (= 0.1.0)
+    - PNXMPPFramework/XEP-0202 (= 0.1.0)
+    - PNXMPPFramework/XEP-0203 (= 0.1.0)
+    - PNXMPPFramework/XEP-0223 (= 0.1.0)
+    - PNXMPPFramework/XEP-0224 (= 0.1.0)
+    - PNXMPPFramework/XEP-0280 (= 0.1.0)
+    - PNXMPPFramework/XEP-0297 (= 0.1.0)
+    - PNXMPPFramework/XEP-0308 (= 0.1.0)
+    - PNXMPPFramework/XEP-0333 (= 0.1.0)
+    - PNXMPPFramework/XEP-0335 (= 0.1.0)
+  - PNXMPPFramework/Authentication (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/BandwidthMonitor (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Categories (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Core (0.1.0):
     - CocoaAsyncSocket
-    - CocoaLumberjack
+    - CocoaLumberjack (~> 1.9)
     - KissXML
+  - PNXMPPFramework/CoreDataStorage (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/GoogleSharedStatus (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/ProcessOne (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Reconnect (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Roster (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+  - PNXMPPFramework/SystemInputActivityMonitor (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/Utilities (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0009 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0012 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0016 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0045 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0054 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/Roster
+  - PNXMPPFramework/XEP-0059 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0060 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0065 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0066 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0082 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0085 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0092 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0100 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0106 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0115 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/CoreDataStorage
+  - PNXMPPFramework/XEP-0136 (0.1.0):
+    - PNXMPPFramework/CoreDataStorage
+    - PNXMPPFramework/XEP-0085
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0153 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0054
+  - PNXMPPFramework/XEP-0172 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0184 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0191 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0198 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0199 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0202 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0082
+  - PNXMPPFramework/XEP-0203 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0082
+  - PNXMPPFramework/XEP-0223 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0224 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0280 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0297 (0.1.0):
+    - PNXMPPFramework/Core
+    - PNXMPPFramework/XEP-0203
+  - PNXMPPFramework/XEP-0308 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0333 (0.1.0):
+    - PNXMPPFramework/Core
+  - PNXMPPFramework/XEP-0335 (0.1.0):
+    - PNXMPPFramework/Core
 
 DEPENDENCIES:
   - FBSnapshotTestCase
@@ -39,10 +172,10 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   CocoaAsyncSocket: a18c75dca4b08723628a0bacca6e94803d90be91
-  CocoaLumberjack: 17fe8581f84914d5d7e6360f7c70022b173c3ae0
+  CocoaLumberjack: 628fca2e88ef06f7cf6817309aa405f325d9a6fa
   FBSnapshotTestCase: 7e85180d0d141a0cf472352edda7e80d7eaeb547
   KissXML: d19dd6dc65e0dc721ba92b3077b8ebdd240f1c1e
-  PNXMPPFramework: 85a177de196fd742392f6ed0053c9cd2dd160f06
+  PNXMPPFramework: 69989a4b1f7470763acd3e9a3d982ddfa5c161df
 
 PODFILE CHECKSUM: c24dacdc80a49fe0e0fea049a6d762eb76667498
 
diff --git a/Example/Pods/Pods.xcodeproj/project.pbxproj b/Example/Pods/Pods.xcodeproj/project.pbxproj
index 07fa20f..8154519 100644
--- a/Example/Pods/Pods.xcodeproj/project.pbxproj
+++ b/Example/Pods/Pods.xcodeproj/project.pbxproj
@@ -7,91 +7,345 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
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-			proxyType = 1;
-			remoteGlobalIDString = 2F4898F32509D35C4B75EE4A3B322F9F;
-			remoteInfo = KissXML;
-		};
-		2EBC256E62380B4DA9AD823B5A2B135A /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = 8A2E8FED01C8A6BC8ADFCF3C3B78368F;
-			remoteInfo = CocoaLumberjack;
-		};
 		4DEF5FA99A63589886960160039D4A67 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 5A35D899250B8C7553F3AC9DE053FA3F;
+			remoteGlobalIDString = 188DC26053F39001ADD409E9BD3B63A8;
 			remoteInfo = PNXMPPFramework;
 		};
 		4E568C90B749C6F2F87F8BF3BC4C1B4A /* PBXContainerItemProxy */ = {
@@ -151,25 +391,39 @@
 			remoteGlobalIDString = B1D17BA74BEACBD28F897F231B5907A4;
 			remoteInfo = CocoaAsyncSocket;
 		};
-		A85BE9623F499E2696D3D0D8794F2C91 /* PBXContainerItemProxy */ = {
+		8040F0F9DEA8A8F7C51BCFB232AAC7FB /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 7F5D2197E6B61E446092501BE5777736;
-			remoteInfo = "PNXMPPFramework-PNXMPPFramework";
+			remoteGlobalIDString = 2F4898F32509D35C4B75EE4A3B322F9F;
+			remoteInfo = KissXML;
 		};
-		BC6C87B0484AE15B237EFFED54433AAA /* PBXContainerItemProxy */ = {
+		AA900F16B5155CDB2C21680749407FB6 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
 			proxyType = 1;
 			remoteGlobalIDString = B1D17BA74BEACBD28F897F231B5907A4;
 			remoteInfo = CocoaAsyncSocket;
 		};
+		CC1B0B37DE1C7EE54D30ADF33DBAF839 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = D7D12FD0D10B6D60548AFB0849EE8C7B;
+			remoteInfo = "PNXMPPFramework-PNXMPPFramework";
+		};
 		D939984BEB3B2154EA5F5F1EAA22AA71 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 8A2E8FED01C8A6BC8ADFCF3C3B78368F;
+			remoteGlobalIDString = E365ED5A199EC8D144191276D016E213;
+			remoteInfo = CocoaLumberjack;
+		};
+		DC356B02924135EE09784BEDB2728C14 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = E365ED5A199EC8D144191276D016E213;
 			remoteInfo = CocoaLumberjack;
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 		ED4CFF3ABFAD2174C89E1B0216F806DC /* PBXContainerItemProxy */ = {
@@ -189,130 +443,385 @@
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+			sourceTree = "<group>";
+		};
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+			sourceTree = "<group>";
+		};
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 			);
 			name = "Support Files";
-			path = "../Target Support Files/CocoaLumberjack";
+			path = "Example/Pods/Target Support Files/PNXMPPFramework";
 			sourceTree = "<group>";
 		};
-		35A008517C1A76F2D71DD7C23D67884F /* KissXML */ = {
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 			);
-			path = KissXML;
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 			sourceTree = "<group>";
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-				69B438355D01FE8953DE81967C9D1B30 /* Info.plist */,
+				82274874B39FEAB87660933C2C096855 /* CoreDataStorage */,
 			);
-			name = "Support Files";
-			path = "../Target Support Files/CocoaAsyncSocket";
+			path = Roster;
 			sourceTree = "<group>";
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-		3E75D5EB0C871C19C97EFA348E71549F /* Extensions */ = {
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-				965271F675E472435561594688DF8BC5 /* DDMultiFormatter.m */,
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 			);
-			name = Extensions;
+			name = SwiftSupport;
+			sourceTree = "<group>";
+		};
+		2E41C84926E861DF20B80BB88CDE5231 /* Extensions */ = {
+			isa = PBXGroup;
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+			path = Extensions;
+			sourceTree = "<group>";
+		};
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+			children = (
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+			sourceTree = "<group>";
+		};
+		3264BC44E55700FBB876C5C0299A01F0 /* GCD */ = {
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+				4CD9E5F7DE67D970F00CD493F5D6AB35 /* GCDAsyncUdpSocket.h */,
+				3548491BE3BF5495BCED14B576736C98 /* GCDAsyncUdpSocket.m */,
+			);
+			name = GCD;
+			sourceTree = "<group>";
+		};
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+			isa = PBXGroup;
+			children = (
+			);
+			path = "XEP-0082";
+			sourceTree = "<group>";
+		};
+		3349CE2E2D4CDC9FCF3E48F27691FA8F /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				6B38D2A52EA42B4A0B2874103C1DE665 /* BandwidthMonitor */,
+			);
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+			sourceTree = "<group>";
+		};
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+			children = (
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+			);
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+			sourceTree = "<group>";
+		};
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+			children = (
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+			sourceTree = "<group>";
+		};
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+			sourceTree = "<group>";
+		};
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+			sourceTree = "<group>";
+		};
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+			);
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+			sourceTree = "<group>";
+		};
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+			sourceTree = "<group>";
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+			);
+			path = FBSnapshotTestCase;
+			sourceTree = "<group>";
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 			sourceTree = "<group>";
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 			sourceTree = "<group>";
 		};
-		457177B6E64C90E4EE12F741C0E1A031 /* CocoaAsyncSocket */ = {
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 			);
-			path = CocoaAsyncSocket;
+			name = "XEP-0012";
 			sourceTree = "<group>";
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-		48946B858F3AC5F974478FD31733D7FF /* Classes */ = {
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 			children = (
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 			);
-			path = Classes;
+			name = "XEP-0335";
 			sourceTree = "<group>";
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-		56F9726349187DB6A7C7DA45E8BDCCF0 /* Pod */ = {
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 			children = (
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 			);
-			path = Pod;
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 			sourceTree = "<group>";
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-		5770437C9E4E7564AB38F105196DC1F5 /* Core */ = {
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+			sourceTree = "<group>";
+		};
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+		};
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+		};
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 			name = Core;
 			sourceTree = "<group>";
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-				D2B7B4242AE49B7B3E398C9CFD918680 /* GCDAsyncUdpSocket.m */,
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-			name = GCD;
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 			sourceTree = "<group>";
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-			name = Pods;
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-			name = "Development Pods";
+			name = "XEP-0199";
 			sourceTree = "<group>";
 		};
-		8FC9DF4FB5391FCA1D8C4D8E52F06D2A /* Support Files */ = {
+		814750459C09EE87B9AC4EA922A7CAEA /* libidn */ = {
 			isa = PBXGroup;
 			children = (
-				DB99ADAAE211F2A2F66644F5294DE165 /* Info.plist */,
-				36844CEFA37F9789FDAD5D75FEF350D0 /* KissXML.modulemap */,
-				16BBEDB030C17615AA1F59B282F0B6FA /* KissXML.xcconfig */,
-				B951EE7815D152D7C0087FE8F88FF2E3 /* KissXML-dummy.m */,
-				EA560B37F6D6AE1204C55B5D91B3F746 /* KissXML-prefix.pch */,
-				22307B9011D53131FAE62678B0E05028 /* KissXML-umbrella.h */,
+				53106BDCB13D10971BA1298829429FA0 /* idn-int.h */,
+				95364865480B8C03ED206E61E7E1FCA8 /* stringprep.h */,
 			);
-			name = "Support Files";
-			path = "../Target Support Files/KissXML";
+			path = libidn;
 			sourceTree = "<group>";
 		};
-		9BA5C98751D36F43156A437665652477 /* RunLoop */ = {
+		81B39C4E89962AE0A84CD69544DDEA5F /* XEP-0092 */ = {
 			isa = PBXGroup;
 			children = (
-				E58F757F49AAED1FD12C55B4E82359A0 /* AsyncSocket.h */,
-				BAD20AC53C965B9C90F81AFF5820C1B3 /* AsyncSocket.m */,
-				8BC4DFB17A6DB5FE05A394EE7D0493E7 /* AsyncUdpSocket.h */,
-				AF22D6524AFB1F68D1550210E4034778 /* AsyncUdpSocket.m */,
+				D65A7A0F06A9B85AC6B7B89C06E52842 /* XMPPSoftwareVersion.h */,
+				798A67176A7588B67BA54A02B0D8650F /* XMPPSoftwareVersion.m */,
+			);
+			path = "XEP-0092";
+			sourceTree = "<group>";
+		};
+		82274874B39FEAB87660933C2C096855 /* CoreDataStorage */ = {
+			isa = PBXGroup;
+			children = (
+				2870DF2FDF67EA150A9A7A2DDC3F50BF /* XMPPRoster.xcdatamodel */,
+			);
+			path = CoreDataStorage;
+			sourceTree = "<group>";
+		};
+		83A1D739730240343C0FBF091353B031 /* XEP-0100 */ = {
+			isa = PBXGroup;
+			children = (
+				EB4DC8AEAA45EF75E7F4B159CECE4C5D /* XMPPTransports.h */,
+				5341009D0D5B7B5B0CD45F857258340D /* XMPPTransports.m */,
+			);
+			path = "XEP-0100";
+			sourceTree = "<group>";
+		};
+		8646B1CC3D4C698B5D4C95216A081B40 /* XEP-0280 */ = {
+			isa = PBXGroup;
+			children = (
+				9773C8A084B5C95CCC1A1FE8674FA178 /* Extensions */,
+			);
+			name = "XEP-0280";
+			sourceTree = "<group>";
+		};
+		87454DD70D122DFF83D615D055639565 /* XEP-0009 */ = {
+			isa = PBXGroup;
+			children = (
+				13F03BAF7ED5E84E9E222997DCBDCA04 /* Extensions */,
+			);
+			name = "XEP-0009";
+			sourceTree = "<group>";
+		};
+		876C033EFF408F21B1862A21343CAC70 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				C54C0AA4B703F7E05B5665F2736F495F /* XEP-0172 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		8A2A30356BB207EAA3E96BC88AAF4308 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				69239772170D97B2DEF9CA7E5429C39B /* XEP-0202 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		8D563B29A4241D597A6C18232B5A05FD /* XEP-0054 */ = {
+			isa = PBXGroup;
+			children = (
+				19A010B5EC5DE35E513BC4B915FEDD6F /* Extensions */,
+			);
+			name = "XEP-0054";
+			sourceTree = "<group>";
+		};
+		8E8A63589932FE7B3D0ABE631C8B2716 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				BF1117FB91FE3652FBF93FD1DC38BBCE /* XEP-0198 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		907CBB8F2C7AC864EF6FC33E82135C4D /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				FAF2980810B0C8F757CA643DA998C915 /* XEP-0203 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		910CF905AEA0586DB6A7D02389281F08 /* XEP-0172 */ = {
+			isa = PBXGroup;
+			children = (
+				876C033EFF408F21B1862A21343CAC70 /* Extensions */,
+			);
+			name = "XEP-0172";
+			sourceTree = "<group>";
+		};
+		9342CE91FAA3465D472774C056DF13D2 /* XEP-0335 */ = {
+			isa = PBXGroup;
+			children = (
+				36009C510AE5187E427A126FA28AE073 /* NSXMLElement+XEP_0335.h */,
+				F791EB061CF6FE259EFF3C8661FD9149 /* NSXMLElement+XEP_0335.m */,
+			);
+			path = "XEP-0335";
+			sourceTree = "<group>";
+		};
+		93BA33FB0EDEA32457DA9642ECD598C8 /* KissXML */ = {
+			isa = PBXGroup;
+			children = (
+				01C93514D1396BB0E641E5037A69AE32 /* Core */,
+				CBF9143DEABD5D0407CCFA25BC3A3B2A /* Support Files */,
+			);
+			path = KissXML;
+			sourceTree = "<group>";
+		};
+		93EF93B4596EC2D67024A8993FD5A98A /* CoreDataStorage */ = {
+			isa = PBXGroup;
+			children = (
+				D8C37A729EEAEB7BAE02CDCFA2AA908A /* XMPPMessageArchiving.xcdatamodeld */,
+			);
+			path = CoreDataStorage;
+			sourceTree = "<group>";
+		};
+		95D818AEA25C8505E65E20D36C6A0762 /* XEP-0115 */ = {
+			isa = PBXGroup;
+			children = (
+				E2D2A926DB2AE30ED96FC6293B7D513B /* XMPPCapabilities.h */,
+				5429205B2ACE9957AA9AB33D27D05B46 /* XMPPCapabilities.m */,
+				61DA74A99721BD341FE411B9B800EA4E /* CoreDataStorage */,
+			);
+			path = "XEP-0115";
+			sourceTree = "<group>";
+		};
+		9773C8A084B5C95CCC1A1FE8674FA178 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				7DEDD4DF5253E65CBD5F6B5DBA674818 /* XEP-0280 */,
+				35E54A36A072A340D6536B2255EEAF39 /* XEP-0297 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		981518269B95B45FB06406063DDA6C5E /* XEP-0065 */ = {
+			isa = PBXGroup;
+			children = (
+				D3748592B3BFC02663C72B7E07715438 /* Extensions */,
+			);
+			name = "XEP-0065";
+			sourceTree = "<group>";
+		};
+		9816AC63C36AE1105E26B2E9654D0C65 /* XEP-0297 */ = {
+			isa = PBXGroup;
+			children = (
+				2A010A6777D7BA5AC40A61024D30853F /* NSXMLElement+XEP_0297.m */,
+			);
+			path = "XEP-0297";
+			sourceTree = "<group>";
+		};
+		9D6407C6D7430E9AC73BA2024DB7F3DA /* iOS */ = {
+			isa = PBXGroup;
+			children = (
+				47E2802E3E5E281E5853ACF1050E06DC /* CFNetwork.framework */,
+				E1A27BC788EFC84025E23511354CFF2E /* CoreData.framework */,
+				868BE20B680918441B9EFCCC93722F43 /* CoreLocation.framework */,
+				59667FD2E1BB544A9BE13A21342FDDB9 /* Foundation.framework */,
+				6697F54084A2F6FEC9EE40CED2100D43 /* QuartzCore.framework */,
+				07BF7EBFB18EC843DAD24044850A6C31 /* Security.framework */,
+				DF7E55C316A5DE0485DD100B2E14FC87 /* SystemConfiguration.framework */,
+				B3FD39A3AC6269B75218635014B1BF86 /* UIKit.framework */,
+				36B0C4D89DB366AFD35857671251BDEB /* XCTest.framework */,
+			);
+			name = iOS;
+			sourceTree = "<group>";
+		};
+		9E1AEF11A926E2147034EAEDCA688308 /* Utilities */ = {
+			isa = PBXGroup;
+			children = (
+				055FADAEB2C74BF94549DD252D961B49 /* DDList.h */,
+				ACABFABD9766CE0F5340F460E6D3A3B7 /* DDList.m */,
+				FCBA06CEC68F5BB04CD9A4AEC88CDE4B /* GCDMulticastDelegate.h */,
+				B9FF3774ABCA0E4AE1B06169BF980DFE /* GCDMulticastDelegate.m */,
+				F6819B0916A9FE6A7810D677FE75E9E3 /* RFImageToDataTransformer.h */,
+				F7AAA37B537A0AD5914553B54B789657 /* RFImageToDataTransformer.m */,
+				542F0CD6508CFA13E9CA1C09033C2C50 /* XMPPIDTracker.h */,
+				CF57C525D9EC618ED30B0A2C2F2CDAE4 /* XMPPIDTracker.m */,
+				A1DCEFA59719E61006D8102B9BAAD0B1 /* XMPPSRVResolver.h */,
+				3DB5988678032101A0395DCAD77089F7 /* XMPPSRVResolver.m */,
+				18AC510C7122691F379AA1426ADCA7DE /* XMPPStringPrep.h */,
+				95200C7AB745A63BE4F3EC0288634A56 /* XMPPStringPrep.m */,
+				3A3ABB113A1B4F193F76EB8905B21AB8 /* XMPPTimer.h */,
+				A7ECE2FC06EC932147990E014EB61E5C /* XMPPTimer.m */,
+			);
+			path = Utilities;
+			sourceTree = "<group>";
+		};
+		9E26E432DF09494AF1E8921B9425F9E7 /* CoreDataStorage */ = {
+			isa = PBXGroup;
+			children = (
+				3AB13D062E79302A61E0D2EC320A471C /* XMPPRoomCoreDataStorage.h */,
+				315086DFDE7A8079EAD86A1ECFCA49F9 /* XMPPRoomCoreDataStorage.m */,
+				E88AC3F9794824B8852E1D5691ABAA13 /* XMPPRoomMessageCoreDataStorageObject.h */,
+				65CAAC5697B8F85A923C987FB6CE31BF /* XMPPRoomMessageCoreDataStorageObject.m */,
+				94BE57BE2CD353F75F08276072B5154B /* XMPPRoomOccupantCoreDataStorageObject.h */,
+				E8E97419BEFEFB20342B156834C24422 /* XMPPRoomOccupantCoreDataStorageObject.m */,
+			);
+			path = CoreDataStorage;
+			sourceTree = "<group>";
+		};
+		9EC037C38E4B677DDA38AE96CA8FADF5 /* XEP-0199 */ = {
+			isa = PBXGroup;
+			children = (
+				2E9CB0218DBD7DF6894E6C444750A5C0 /* XMPPAutoPing.h */,
+				97A7E1A96F6F4712F4FC9D3A789CDF0E /* XMPPAutoPing.m */,
+				B11F783CB2BB05E4D258A0B880E24422 /* XMPPPing.h */,
+				EB82AB96559ED6191CCCE12D5B36E3A7 /* XMPPPing.m */,
+			);
+			path = "XEP-0199";
+			sourceTree = "<group>";
+		};
+		9EED22CFCBB671595BF550118AA4C21B /* SystemInputActivityMonitor */ = {
+			isa = PBXGroup;
+			children = (
+				6A6913CFD4EAC6918C27E0880CE1D68C /* XMPPSystemInputActivityMonitor.h */,
+				F45BC9A0468EC74E6807BA4E97518BA5 /* XMPPSystemInputActivityMonitor.m */,
+			);
+			path = SystemInputActivityMonitor;
+			sourceTree = "<group>";
+		};
+		9F24FAA648109EDAC0008939F8978228 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				3B3CD2917B1F55B2BFEE6369EE0C7149 /* XEP-0082 */,
+			);
+			path = Extensions;
+			sourceTree = "<group>";
+		};
+		A2BF4420A333476A83085A35A3D2EDF6 /* RunLoop */ = {
+			isa = PBXGroup;
+			children = (
+				E023B948C5B1B63664CFAA14ADA75131 /* AsyncSocket.h */,
+				118FDE033FB5F2B0A70CB8C2B580C427 /* AsyncSocket.m */,
+				0EEDDCC3142954F2C7CC7C1891197DD1 /* AsyncUdpSocket.h */,
+				598B2E3BB76F1CAF0D5D22943D0A0A92 /* AsyncUdpSocket.m */,
 			);
 			name = RunLoop;
 			sourceTree = "<group>";
 		};
-		9E2C443CE87C42CC2CCE084BA784CE42 /* PNXMPPFramework */ = {
+		A776087A6EFF15E5A82533D5E9181397 /* XEP-0203 */ = {
 			isa = PBXGroup;
 			children = (
-				56F9726349187DB6A7C7DA45E8BDCCF0 /* Pod */,
-				CB9BE658E2ABA824233F54BD4315E65D /* Support Files */,
+				A34377A96F7CA39B9C78B39140E759E9 /* NSXMLElement+XEP_0203.h */,
 			);
-			name = PNXMPPFramework;
-			path = ../..;
+			path = "XEP-0203";
+			sourceTree = "<group>";
+		};
+		AA9A0EC092CD520FC470139564875235 /* XEP-0045 */ = {
+			isa = PBXGroup;
+			children = (
+				8F60B35EC2525BA362D091F765951C1A /* XMPPMessage+XEP0045.h */,
+				1BB61CF8E11D7CB11A8B4D925AA852CF /* XMPPMessage+XEP0045.m */,
+				48E66F184116399252453EA0FB9D11D6 /* XMPPMUC.h */,
+				765D0D82384E701BD91889FC1BD76865 /* XMPPMUC.m */,
+				801CB494508A13EB31CDC7DFF76ADE95 /* XMPPRoom.h */,
+				E84711F51EF6F2E761B00FA08ADBFF3A /* XMPPRoom.m */,
+				DB928E9DAB665541B5CD355F2C2740FF /* XMPPRoomMessage.h */,
+				DC89C6CF0F951A6125C39888FAF728A4 /* XMPPRoomOccupant.h */,
+				77F3E271FE50CE5288EBCCE10F190C96 /* XMPPRoomPrivate.h */,
+				9E26E432DF09494AF1E8921B9425F9E7 /* CoreDataStorage */,
+				1EC93A294FFBEA4248FEDD66A8455D4C /* HybridStorage */,
+				E309248E0E3053DD806ED7E3E6A7E797 /* MemoryStorage */,
+			);
+			path = "XEP-0045";
+			sourceTree = "<group>";
+		};
+		AD071F92DDE8AE659E85EADDFBBEA93B /* XEP-0082 */ = {
+			isa = PBXGroup;
+			children = (
+				6431EA2B45D116D4767D559AE9C511CA /* NSDate+XMPPDateTimeProfiles.h */,
+				3D05F82F831B2FE33132CA0F091FE591 /* XMPPDateTimeProfiles.h */,
+			);
+			path = "XEP-0082";
+			sourceTree = "<group>";
+		};
+		AD3BEF11FAD867CB801351A84F6C1B69 /* Extensions */ = {
+			isa = PBXGroup;
+			children = (
+				AA9A0EC092CD520FC470139564875235 /* XEP-0045 */,
+			);
+			path = Extensions;
 			sourceTree = "<group>";
 		};
 		AEB18CC801F4538A4E9E8628D81569A4 /* Pods-PNXMPPFramework_Tests */ = {
@@ -629,80 +2302,258 @@
 			path = "Target Support Files/Pods-PNXMPPFramework_Tests";
 			sourceTree = "<group>";
 		};
-		C3F6484F227581477CE80F426D7E9E4F /* CocoaLumberjack */ = {
+		B1818674CEF4F80FB40B4D59794015D2 /* CoreDataStorage */ = {
 			isa = PBXGroup;
 			children = (
-				5770437C9E4E7564AB38F105196DC1F5 /* Core */,
-				24DB327E2701455C9021E7F237568E67 /* Default */,
-				3E75D5EB0C871C19C97EFA348E71549F /* Extensions */,
-				28E7B821182E960DA93610B33D89DC76 /* Support Files */,
+				3AC7D3E423C03CCBDF7EE9CC370F2326 /* XMPPMessageArchiving_Contact_CoreDataObject.h */,
+				D1BA06DE5C590BA187B6F8801BC6A2C9 /* XMPPMessageArchiving_Contact_CoreDataObject.m */,
+				672B4A32069969305F689EB08AD167B0 /* XMPPMessageArchiving_Message_CoreDataObject.h */,
+				36C2CC7087D51A32BB3955C7BF02530E /* XMPPMessageArchiving_Message_CoreDataObject.m */,
+				BF73339F70D22DDBE7C386C800003463 /* XMPPMessageArchivingCoreDataStorage.h */,
+				258B60B340EA8C98CFF230461B3A09CD /* XMPPMessageArchivingCoreDataStorage.m */,
 			);
-			path = CocoaLumberjack;
+			path = CoreDataStorage;
 			sourceTree = "<group>";
 		};
-		C4EDE7E815EE9F203C029C3E5BA8D176 /* Core */ = {
+		B1D6030E4A83A9000B57FBE10D1C6B4C /* Resources */ = {
 			isa = PBXGroup;
 			children = (
-				A0A3E9023855F98998BCD1502502FEBD /* DDXML.h */,
-				B5A9191A4F07065BDE910F036C1BB0BF /* DDXMLDocument.h */,
-				D6B4B7C5799723CF18F00943E4A546CD /* DDXMLDocument.m */,
-				F895B9030EF98C5643A410DAE0ECE89D /* DDXMLElement.h */,
-				F5F3FB6819AD332B566A8A6C233F6FAD /* DDXMLElement.m */,
-				1CF2CB3AA921D40AB25AF2A7270BE43A /* DDXMLElementAdditions.h */,
-				E585707B27E86C7F5B1A6637EA85B4EF /* DDXMLElementAdditions.m */,
-				4231C55A96C88801F491816C9667B261 /* DDXMLNode.h */,
-				9C4D13C8F17D8A2CF20D7E521C941EAF /* DDXMLNode.m */,
-				FD55C034DB2B8886F0E190A43F51E173 /* DDXMLPrivate.h */,
-				81CE17C3B4BAB66745163791F3098B51 /* NSString+DDXML.h */,
-				99087C3869946150159E34775F59A87C /* NSString+DDXML.m */,
+				EB7372D6758C00AD65E47C04E6E82009 /* Extensions */,
 			);
-			name = Core;
+			name = Resources;
 			sourceTree = "<group>";
 		};
-		C89FCEAC727509AE39873C92930A4878 /* FBSnapshotTestCase */ = {
+		B240DBAD40A16980B8FD5FDB8745593C /* XEP-0082 */ = {
 			isa = PBXGroup;
 			children = (
-				F04AFC5036953AE2A987BBD022B5F6AC /* Core */,
-				F793C6163E89ADCBABE1E62F12C3282E /* Support Files */,
-				C90E82C071695139A1964F09FE2CF152 /* SwiftSupport */,
+				9F24FAA648109EDAC0008939F8978228 /* Extensions */,
 			);
-			path = FBSnapshotTestCase;
+			name = "XEP-0082";
 			sourceTree = "<group>";
 		};
-		C90E82C071695139A1964F09FE2CF152 /* SwiftSupport */ = {
+		B45A8242B1CBAE75F7F0D9DDB542720B /* CoreDataStorage */ = {
 			isa = PBXGroup;
 			children = (
-				C6B6FDF0629C5202AF02961C169E9C43 /* SwiftSupport.swift */,
+				45690EB258245D2EEBD05408F6871522 /* XMPPRoom.xcdatamodeld */,
 			);
-			name = SwiftSupport;
+			path = CoreDataStorage;
 			sourceTree = "<group>";
 		};
-		CAEC26FBC5130F41FDCE8711297B8D80 /* iOS */ = {
+		B668A64912009C41C50B3DC411BE640E /* XEP-0106 */ = {
 			isa = PBXGroup;
 			children = (
-				2B3A706558871D3420C608CB0C80B52A /* CFNetwork.framework */,
-				16D19F020C32C6D5826A2026A2018EAB /* Foundation.framework */,
-				4CB0A61E527D8CD0FB2587D9DADE4A75 /* QuartzCore.framework */,
-				143B0A1147436BFD4A60A4104C68C234 /* Security.framework */,
-				8CB82CF429E1845CEDA8001B2E538E29 /* UIKit.framework */,
-				4DC0EE1093FE91BC2763B61A600D69AA /* XCTest.framework */,
+				0E2BDCB348546C73FF6C1ADB51B9EB8B /* NSString+XEP_0106.h */,
+				851F3B229409C6D02E4176715DC46AEC /* NSString+XEP_0106.m */,
 			);
-			name = iOS;
+			path = "XEP-0106";
 			sourceTree = "<group>";
 		};
-		CB9BE658E2ABA824233F54BD4315E65D /* Support Files */ = {
+		B80E7E377B7D9F967DE3457E76AAC6F1 /* Support Files */ = {
 			isa = PBXGroup;
 			children = (
-				F2EEB2FE086126A8BC44093C129F7F74 /* Info.plist */,
-				A97298222A0189352005E85CB184D6E6 /* PNXMPPFramework.modulemap */,
-				6ABD593785E9055C05CF73D15A292685 /* PNXMPPFramework.xcconfig */,
-				6A4036FA15F6DDCCE687A6A474571FD1 /* PNXMPPFramework-dummy.m */,
-				96E82422C3504A3D464C8BE58CC35DF5 /* PNXMPPFramework-prefix.pch */,
-				087FDBFAAF42A0ADB8E82B6ED40D235F /* PNXMPPFramework-umbrella.h */,
-				9270759F8735803AF313B91827A41486 /* ResourceBundle-PNXMPPFramework-Info.plist */,
+				981BB25E1AE8AA4761F9128FAC7C278E /* FBSnapshotTestCase.modulemap */,
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-			baseConfigurationReference = 6ABD593785E9055C05CF73D15A292685 /* PNXMPPFramework.xcconfig */;
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-				INFOPLIST_FILE = "Target Support Files/PNXMPPFramework/Info.plist";
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
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+				CLANG_WARN_BOOL_CONVERSION = YES;
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+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = YES;
+				ENABLE_NS_ASSERTIONS = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"POD_CONFIGURATION_RELEASE=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
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-				PRODUCT_NAME = PNXMPPFramework;
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-				SKIP_INSTALL = YES;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				VERSIONING_SYSTEM = "apple-generic";
-				VERSION_INFO_PREFIX = "";
+				STRIP_INSTALLED_PRODUCT = NO;
+				SYMROOT = "${SRCROOT}/../build";
+				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
 		};
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-			isa = XCBuildConfiguration;
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-			isa = XCBuildConfiguration;
-			baseConfigurationReference = 5DA797AF66C02D62C90B1146F7DEFF80 /* FBSnapshotTestCase.xcconfig */;
-			buildSettings = {
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-				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				DEFINES_MODULE = YES;
-				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 1;
-				DYLIB_INSTALL_NAME_BASE = "@rpath";
-				ENABLE_STRICT_OBJC_MSGSEND = YES;
-				GCC_NO_COMMON_BLOCKS = YES;
-				GCC_PREFIX_HEADER = "Target Support Files/FBSnapshotTestCase/FBSnapshotTestCase-prefix.pch";
-				INFOPLIST_FILE = "Target Support Files/FBSnapshotTestCase/Info.plist";
-				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MODULEMAP_FILE = "Target Support Files/FBSnapshotTestCase/FBSnapshotTestCase.modulemap";
-				MTL_ENABLE_DEBUG_INFO = NO;
-				PRODUCT_NAME = FBSnapshotTestCase;
-				SDKROOT = iphoneos;
-				SKIP_INSTALL = YES;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				VERSIONING_SYSTEM = "apple-generic";
-				VERSION_INFO_PREFIX = "";
-			};
-			name = Release;
-		};
-		DB44C5CA5E7AC762546FE4E73ED003F3 /* Debug */ = {
+		882EB4391EC2E701934974DA86F7343F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
@@ -1671,16 +3915,74 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				STRIP_INSTALLED_PRODUCT = NO;
 				SYMROOT = "${SRCROOT}/../build";
 			};
 			name = Debug;
 		};
+		BA8DC1BD037A8A6A19A35B7AB243E6F7 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = B4129DBB324F6967593F60530215A966 /* PNXMPPFramework.xcconfig */;
+			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_PREFIX_HEADER = "Target Support Files/PNXMPPFramework/PNXMPPFramework-prefix.pch";
+				INFOPLIST_FILE = "Target Support Files/PNXMPPFramework/Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MODULEMAP_FILE = "Target Support Files/PNXMPPFramework/PNXMPPFramework.modulemap";
+				MTL_ENABLE_DEBUG_INFO = YES;
+				PRODUCT_NAME = PNXMPPFramework;
+				SDKROOT = iphoneos;
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Debug;
+		};
+		DAF4CC3BB1B5439E1249799D7EFE73C3 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 69A7FE765C85BF39902B7077E3F1CBF8 /* FBSnapshotTestCase.xcconfig */;
+			buildSettings = {
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				CURRENT_PROJECT_VERSION = 1;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				DEFINES_MODULE = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				DYLIB_INSTALL_NAME_BASE = "@rpath";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_PREFIX_HEADER = "Target Support Files/FBSnapshotTestCase/FBSnapshotTestCase-prefix.pch";
+				INFOPLIST_FILE = "Target Support Files/FBSnapshotTestCase/Info.plist";
+				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				MODULEMAP_FILE = "Target Support Files/FBSnapshotTestCase/FBSnapshotTestCase.modulemap";
+				MTL_ENABLE_DEBUG_INFO = NO;
+				PRODUCT_NAME = FBSnapshotTestCase;
+				SDKROOT = iphoneos;
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VERSIONING_SYSTEM = "apple-generic";
+				VERSION_INFO_PREFIX = "";
+			};
+			name = Release;
+		};
 		DB48727456A40EFE405547F6D32CD7CA /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 16BBEDB030C17615AA1F59B282F0B6FA /* KissXML.xcconfig */;
+			baseConfigurationReference = 13CD0C7FF24A8749DDCCB85507F858BD /* KissXML.xcconfig */;
 			buildSettings = {
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				CURRENT_PROJECT_VERSION = 1;
@@ -1707,59 +4009,47 @@
 			};
 			name = Release;
 		};
-		F240531A664CDF85BC9BF42620544AD9 /* Debug */ = {
+		E8CAA4E3D30DCBFE665C6D5CEE965803 /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 6ABD593785E9055C05CF73D15A292685 /* PNXMPPFramework.xcconfig */;
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-				INFOPLIST_FILE = "Target Support Files/PNXMPPFramework/ResourceBundle-PNXMPPFramework-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
-				PRODUCT_NAME = PNXMPPFramework;
-				SDKROOT = iphoneos;
-				SKIP_INSTALL = YES;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				WRAPPER_EXTENSION = bundle;
-			};
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-		};
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-			isa = XCBuildConfiguration;
-			baseConfigurationReference = E954158A1DA907EBB18C34543489EF40 /* CocoaLumberjack.xcconfig */;
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 			buildSettings = {
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				CURRENT_PROJECT_VERSION = 1;
-				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
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-				GCC_PREFIX_HEADER = "Target Support Files/CocoaLumberjack/CocoaLumberjack-prefix.pch";
-				INFOPLIST_FILE = "Target Support Files/CocoaLumberjack/Info.plist";
+				INFOPLIST_FILE = "Target Support Files/Pods-PNXMPPFramework_Example/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
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-				MTL_ENABLE_DEBUG_INFO = YES;
-				PRODUCT_NAME = CocoaLumberjack;
+				MACH_O_TYPE = staticlib;
+				MODULEMAP_FILE = "Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.modulemap";
+				MTL_ENABLE_DEBUG_INFO = NO;
+				OTHER_LDFLAGS = "";
+				OTHER_LIBTOOLFLAGS = "";
+				PODS_ROOT = "$(SRCROOT)";
+				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.${PRODUCT_NAME:rfc1034identifier}";
+				PRODUCT_NAME = Pods_PNXMPPFramework_Example;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
-			name = Debug;
+			name = Release;
 		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
-		0A249857EF3A38EF925BAE6F4464F1B3 /* Build configuration list for PBXNativeTarget "CocoaLumberjack" */ = {
+		0BBD46F4EEC75A98CAF655A16AA5F0E3 /* Build configuration list for PBXNativeTarget "PNXMPPFramework" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				FD0DBA63D0F1E8FD3ACCA2C9E16EF726 /* Debug */,
-				2F8FF5D5193C1A025200FCFB3010873B /* Release */,
+				BA8DC1BD037A8A6A19A35B7AB243E6F7 /* Debug */,
+				514B25B217F4FEE9064353E656842C98 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
@@ -1776,17 +4066,17 @@
 		2D8E8EC45A3A1A1D94AE762CB5028504 /* Build configuration list for PBXProject "Pods" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				DB44C5CA5E7AC762546FE4E73ED003F3 /* Debug */,
-				2C442C92732ADBDBFA54CF4EA7B71CDF /* Release */,
+				882EB4391EC2E701934974DA86F7343F /* Debug */,
+				811519CB8F683AC06F9C98B55AC40F11 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		579164E6A4E1B15FDEC80D53A7AD6F59 /* Build configuration list for PBXNativeTarget "PNXMPPFramework-PNXMPPFramework" */ = {
+		3A4E497F93EBB3F131AB54AFE7A6269E /* Build configuration list for PBXNativeTarget "CocoaLumberjack" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				F240531A664CDF85BC9BF42620544AD9 /* Debug */,
-				40EB884CBA03FE133F947DDFDB4825D0 /* Release */,
+				1EA69EF71202E59D080662D0CB59DA42 /* Debug */,
+				315F49F697C63F4130791E50E06AE03D /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
@@ -1800,11 +4090,11 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		6428F7C10DD74A5B728445817A42E119 /* Build configuration list for PBXNativeTarget "PNXMPPFramework" */ = {
+		8F20A3D16236CAFC1133C4424D48D0B2 /* Build configuration list for PBXNativeTarget "PNXMPPFramework-PNXMPPFramework" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				4EC0E77618D6FB2FC4CA750C55256F13 /* Debug */,
-				B97A7107F5A0330779B824A7937C79A0 /* Release */,
+				1FBBDA73D4C968EA4EA0B890C4C45FCC /* Debug */,
+				42D2DA3FB3331A12CB914E94054169A3 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
@@ -1821,8 +4111,8 @@
 		C72FE458E37D0F1BEAEE7FA315FBB05E /* Build configuration list for PBXNativeTarget "Pods-PNXMPPFramework_Example" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				9ACA9E97D9102127CD4F45DA98BBFAF7 /* Debug */,
-				BF33E0816DB403C90743903DB554F2B7 /* Release */,
+				0AFA6DD9D5BEF58F7D5BF8D10A204FB9 /* Debug */,
+				E8CAA4E3D30DCBFE665C6D5CEE965803 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
@@ -1830,13 +4120,56 @@
 		D49F3D603A484CD157827EE87233660E /* Build configuration list for PBXNativeTarget "Pods-PNXMPPFramework_Tests" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				033004C562CF00B7BBAFFAF420FCE316 /* Debug */,
-				63F2FD15122C402165E853B41AA78E6E /* Release */,
+				4433C9D68FD7683C9ED5D6A49626C6AB /* Debug */,
+				48A49770B56DB9937185AD3AD737EF43 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
+
+/* Begin XCVersionGroup section */
+		45690EB258245D2EEBD05408F6871522 /* XMPPRoom.xcdatamodeld */ = {
+			isa = XCVersionGroup;
+			children = (
+				399F4C1C1D1A752CFF61BE48FDB9E64E /* XMPPRoom.xcdatamodel */,
+			);
+			currentVersion = 399F4C1C1D1A752CFF61BE48FDB9E64E /* XMPPRoom.xcdatamodel */;
+			path = XMPPRoom.xcdatamodeld;
+			sourceTree = "<group>";
+			versionGroupType = wrapper.xcdatamodel;
+		};
+		A1ECEA1320E24219D549D36B115324C0 /* XMPPvCard.xcdatamodeld */ = {
+			isa = XCVersionGroup;
+			children = (
+				479E8A822D448B5C95C3EA285BCFDE83 /* XMPPvCard.xcdatamodel */,
+			);
+			currentVersion = 479E8A822D448B5C95C3EA285BCFDE83 /* XMPPvCard.xcdatamodel */;
+			path = XMPPvCard.xcdatamodeld;
+			sourceTree = "<group>";
+			versionGroupType = wrapper.xcdatamodel;
+		};
+		D234DEC5411AFE0AC1B9CED1A04339F9 /* XMPPRoomHybrid.xcdatamodeld */ = {
+			isa = XCVersionGroup;
+			children = (
+				4A946C1E3B936330346071E39557D516 /* XMPPRoomHybrid.xcdatamodel */,
+			);
+			currentVersion = 4A946C1E3B936330346071E39557D516 /* XMPPRoomHybrid.xcdatamodel */;
+			path = XMPPRoomHybrid.xcdatamodeld;
+			sourceTree = "<group>";
+			versionGroupType = wrapper.xcdatamodel;
+		};
+		D8C37A729EEAEB7BAE02CDCFA2AA908A /* XMPPMessageArchiving.xcdatamodeld */ = {
+			isa = XCVersionGroup;
+			children = (
+				38AD8BCB8F85B19193E934895FBC7F1C /* XMPPMessageArchiving.xcdatamodel */,
+			);
+			currentVersion = 38AD8BCB8F85B19193E934895FBC7F1C /* XMPPMessageArchiving.xcdatamodel */;
+			path = XMPPMessageArchiving.xcdatamodeld;
+			sourceTree = "<group>";
+			versionGroupType = wrapper.xcdatamodel;
+		};
+/* End XCVersionGroup section */
 	};
 	rootObject = D41D8CD98F00B204E9800998ECF8427E /* Project object */;
 }
diff --git a/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PNXMPPFramework.xcscheme b/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PNXMPPFramework.xcscheme
index cb86820..98cd106 100644
--- a/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PNXMPPFramework.xcscheme
+++ b/Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PNXMPPFramework.xcscheme
@@ -14,7 +14,7 @@
             buildForArchiving = "YES">
             <BuildableReference
                BuildableIdentifier = 'primary'
-               BlueprintIdentifier = '5A35D899250B8C7553F3AC9DE053FA3F'
+               BlueprintIdentifier = '188DC26053F39001ADD409E9BD3B63A8'
                BlueprintName = 'PNXMPPFramework'
                ReferencedContainer = 'container:Pods.xcodeproj'
                BuildableName = 'PNXMPPFramework.framework'>
diff --git a/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack-umbrella.h b/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack-umbrella.h
new file mode 100644
index 0000000..c691b09
--- /dev/null
+++ b/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack-umbrella.h	
@@ -0,0 +1,28 @@
+#import <UIKit/UIKit.h>
+
+#import "DDAbstractDatabaseLogger.h"
+#import "DDASLLogCapture.h"
+#import "DDASLLogger.h"
+#import "DDAssert.h"
+#import "DDFileLogger.h"
+#import "DDLog+LOGV.h"
+#import "DDLog.h"
+#import "DDTTYLogger.h"
+#import "DDContextFilterLogFormatter.h"
+#import "DDDispatchQueueLogFormatter.h"
+#import "DDMultiFormatter.h"
+#import "DDAbstractDatabaseLogger.h"
+#import "DDASLLogCapture.h"
+#import "DDASLLogger.h"
+#import "DDAssert.h"
+#import "DDFileLogger.h"
+#import "DDLog+LOGV.h"
+#import "DDLog.h"
+#import "DDTTYLogger.h"
+#import "DDContextFilterLogFormatter.h"
+#import "DDDispatchQueueLogFormatter.h"
+#import "DDMultiFormatter.h"
+
+FOUNDATION_EXPORT double CocoaLumberjackVersionNumber;
+FOUNDATION_EXPORT const unsigned char CocoaLumberjackVersionString[];
+
diff --git a/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack.modulemap b/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack.modulemap
index 032ae65..714e390 100644
--- a/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack.modulemap	
+++ b/Example/Pods/Target Support Files/CocoaLumberjack/CocoaLumberjack.modulemap	
@@ -1,36 +1,6 @@
 framework module CocoaLumberjack {
-	umbrella header "CocoaLumberjack.h"
-	
-	export *
-	module * { export * }
-	
-	textual header "DDLogMacros.h"
-	
-	exclude header "DDLog+LOGV.h"
-	exclude header "DDLegacyMacros.h"
-	
-	explicit module DDContextFilterLogFormatter {
-		header "DDContextFilterLogFormatter.h"
-		export *
-	}
-	
-	explicit module DDDispatchQueueLogFormatter {
-		header "DDDispatchQueueLogFormatter.h"
-		export *
-	}
-	
-	explicit module DDMultiFormatter {
-		header "DDMultiFormatter.h"
-		export *
-	}
-	
-	explicit module DDASLLogCapture {
-		header "DDASLLogCapture.h"
-		export *
-	}
-	
-	explicit module DDAbstractDatabaseLogger {
-		header "DDAbstractDatabaseLogger.h"
-		export *
-	}
+  umbrella header "CocoaLumberjack-umbrella.h"
+
+  export *
+  module * { export * }
 }
diff --git a/Example/Pods/Target Support Files/CocoaLumberjack/Info.plist b/Example/Pods/Target Support Files/CocoaLumberjack/Info.plist
index c054f9c..f593729 100644
--- a/Example/Pods/Target Support Files/CocoaLumberjack/Info.plist	
+++ b/Example/Pods/Target Support Files/CocoaLumberjack/Info.plist	
@@ -15,7 +15,7 @@
   <key>CFBundlePackageType</key>
   <string>FMWK</string>
   <key>CFBundleShortVersionString</key>
-  <string>2.2.0</string>
+  <string>1.9.2</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>
diff --git a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-prefix.pch b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-prefix.pch
index aa992a4..06e35ca 100644
--- a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-prefix.pch	
+++ b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-prefix.pch	
@@ -2,3 +2,4 @@
 #import <UIKit/UIKit.h>
 #endif
 
+#define HAVE_XMPP_SUBSPEC_POD
diff --git a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-umbrella.h b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-umbrella.h
index f8825fa..331085f 100644
--- a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-umbrella.h	
+++ b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework-umbrella.h	
@@ -1,5 +1,145 @@
 #import <UIKit/UIKit.h>
 
+#import "XMPPBandwidthMonitor.h"
+#import "XMPPFramework.h"
+#import "XMPP.h"
+#import "XMPPConstants.h"
+#import "XMPPElement.h"
+#import "XMPPInternal.h"
+#import "XMPPIQ.h"
+#import "XMPPJID.h"
+#import "XMPPLogging.h"
+#import "XMPPMessage.h"
+#import "XMPPModule.h"
+#import "XMPPParser.h"
+#import "XMPPPresence.h"
+#import "XMPPStream.h"
+#import "idn-int.h"
+#import "stringprep.h"
+#import "XMPPAnonymousAuthentication.h"
+#import "XMPPDeprecatedDigestAuthentication.h"
+#import "XMPPDeprecatedPlainAuthentication.h"
+#import "XMPPDigestMD5Authentication.h"
+#import "XMPPPlainAuthentication.h"
+#import "XMPPSCRAMSHA1Authentication.h"
+#import "XMPPXFacebookPlatformAuthentication.h"
+#import "XMPPXOAuth2Google.h"
+#import "XMPPCustomBinding.h"
+#import "XMPPSASLAuthentication.h"
+#import "NSData+XMPP.h"
+#import "NSNumber+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+#import "DDList.h"
+#import "GCDMulticastDelegate.h"
+#import "RFImageToDataTransformer.h"
+#import "XMPPIDTracker.h"
+#import "XMPPSRVResolver.h"
+#import "XMPPStringPrep.h"
+#import "XMPPTimer.h"
+#import "XMPPCoreDataStorage.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPGoogleSharedStatus.h"
+#import "XMPPProcessOne.h"
+#import "XMPPReconnect.h"
+#import "XMPPGroupCoreDataStorageObject.h"
+#import "XMPPResourceCoreDataStorageObject.h"
+#import "XMPPRosterCoreDataStorage.h"
+#import "XMPPUserCoreDataStorageObject.h"
+#import "XMPPResourceMemoryStorageObject.h"
+#import "XMPPRosterMemoryStorage.h"
+#import "XMPPRosterMemoryStoragePrivate.h"
+#import "XMPPUserMemoryStorageObject.h"
+#import "XMPPResource.h"
+#import "XMPPRoster.h"
+#import "XMPPRosterPrivate.h"
+#import "XMPPUser.h"
+#import "XMPPSystemInputActivityMonitor.h"
+#import "GCDMulticastDelegate.h"
+#import "XMPPIQ+JabberRPC.h"
+#import "XMPPIQ+JabberRPCResonse.h"
+#import "XMPPJabberRPCModule.h"
+#import "XMPPIQ+LastActivity.h"
+#import "XMPPLastActivity.h"
+#import "XMPPPrivacy.h"
+#import "XMPPRoomCoreDataStorage.h"
+#import "XMPPRoomMessageCoreDataStorageObject.h"
+#import "XMPPRoomOccupantCoreDataStorageObject.h"
+#import "XMPPRoomHybridStorage.h"
+#import "XMPPRoomHybridStorageProtected.h"
+#import "XMPPRoomMessageHybridCoreDataStorageObject.h"
+#import "XMPPRoomOccupantHybridMemoryStorageObject.h"
+#import "XMPPRoomMemoryStorage.h"
+#import "XMPPRoomMessageMemoryStorageObject.h"
+#import "XMPPRoomOccupantMemoryStorageObject.h"
+#import "XMPPMessage+XEP0045.h"
+#import "XMPPMUC.h"
+#import "XMPPRoom.h"
+#import "XMPPRoomMessage.h"
+#import "XMPPRoomOccupant.h"
+#import "XMPPRoomPrivate.h"
+#import "XMPPvCardAvatarCoreDataStorageObject.h"
+#import "XMPPvCardCoreDataStorage.h"
+#import "XMPPvCardCoreDataStorageObject.h"
+#import "XMPPvCardTempCoreDataStorageObject.h"
+#import "XMPPvCardTemp.h"
+#import "XMPPvCardTempAdr.h"
+#import "XMPPvCardTempAdrTypes.h"
+#import "XMPPvCardTempBase.h"
+#import "XMPPvCardTempEmail.h"
+#import "XMPPvCardTempLabel.h"
+#import "XMPPvCardTempModule.h"
+#import "XMPPvCardTempTel.h"
+#import "XMPPvCardAvatarModule.h"
+#import "XMPPDateTimeProfiles.h"
+#import "NSDate+XMPPDateTimeProfiles.h"
+#import "NSXMLElement+XEP_0059.h"
+#import "XMPPResultSet.h"
+#import "XMPPIQ+XEP_0060.h"
+#import "XMPPPubSub.h"
+#import "TURNSocket.h"
+#import "XMPPIQ+XEP_0066.h"
+#import "XMPPMessage+XEP_0066.h"
+#import "NSDate+XMPPDateTimeProfiles.h"
+#import "XMPPDateTimeProfiles.h"
+#import "XMPPMessage+XEP_0085.h"
+#import "XMPPSoftwareVersion.h"
+#import "XMPPTransports.h"
+#import "NSString+XEP_0106.h"
+#import "XMPPCapabilitiesCoreDataStorage.h"
+#import "XMPPCapsCoreDataStorageObject.h"
+#import "XMPPCapsResourceCoreDataStorageObject.h"
+#import "XMPPCapabilities.h"
+#import "XMPPMessageArchiving_Contact_CoreDataObject.h"
+#import "XMPPMessageArchiving_Message_CoreDataObject.h"
+#import "XMPPMessageArchivingCoreDataStorage.h"
+#import "XMPPMessageArchiving.h"
+#import "XMPPvCardAvatarModule.h"
+#import "NSDate+XMPPDateTimeProfiles.h"
+#import "XMPPMessage+XEP_0172.h"
+#import "XMPPPresence+XEP_0172.h"
+#import "XMPPMessage+XEP_0184.h"
+#import "XMPPMessageDeliveryReceipts.h"
+#import "XMPPBlocking.h"
+#import "XMPPStreamManagementMemoryStorage.h"
+#import "XMPPStreamManagementStanzas.h"
+#import "XMPPStreamManagement.h"
+#import "XMPPAutoPing.h"
+#import "XMPPPing.h"
+#import "XMPPAutoTime.h"
+#import "XMPPTime.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XEP_0223.h"
+#import "XMPPAttentionModule.h"
+#import "XMPPMessage+XEP_0224.h"
+#import "XMPPMessage+XEP_0280.h"
+#import "XMPPMessageCarbons.h"
+#import "NSXMLElement+XEP_0297.h"
+#import "NSXMLElement+XEP_0297.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPMessage+XEP_0308.h"
+#import "XMPPMessage+XEP_0333.h"
+#import "NSXMLElement+XEP_0335.h"
 
 FOUNDATION_EXPORT double PNXMPPFrameworkVersionNumber;
 FOUNDATION_EXPORT const unsigned char PNXMPPFrameworkVersionString[];
diff --git a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework.xcconfig b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework.xcconfig
index 5b4e8a0..3737c17 100644
--- a/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework.xcconfig	
+++ b/Example/Pods/Target Support Files/PNXMPPFramework/PNXMPPFramework.xcconfig	
@@ -1,5 +1,9 @@
+CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES
+ENABLE_BITCODE = NO
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = "${PODS_ROOT}/Headers/Private" "${PODS_ROOT}/Headers/Public"
+HEADER_SEARCH_PATHS = "${PODS_ROOT}/Headers/Private" "${PODS_ROOT}/Headers/Public" $(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv
+LIBRARY_SEARCH_PATHS = $(inherited) "${PODS_ROOT}/../../Vendor/libidn" "$(PODS_ROOT)/Vendor/libidn"
+OTHER_LDFLAGS = -l"idn" -l"resolv" -l"xml2" -framework "CoreData" -framework "CoreLocation" -framework "SystemConfiguration"
 PODS_ROOT = ${SRCROOT}
 PRODUCT_BUNDLE_IDENTIFIER = org.cocoapods.${PRODUCT_NAME:rfc1034identifier}
 SKIP_INSTALL = YES
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.markdown b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.markdown
index a17519b..c0d51df 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.markdown	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.markdown	
@@ -15,7 +15,7 @@ Updated and maintained by Deusty LLC and the Apple development community.
 
 Software License Agreement (BSD License)
 
-Copyright (c) 2010-2015, Deusty, LLC
+Copyright (c) 2010, Deusty, LLC
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.plist b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.plist
index b23f922..c9fe393 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.plist	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example-acknowledgements.plist	
@@ -30,7 +30,7 @@ Updated and maintained by Deusty LLC and the Apple development community.
 			<key>FooterText</key>
 			<string>Software License Agreement (BSD License)
 
-Copyright (c) 2010-2015, Deusty, LLC
+Copyright (c) 2010, Deusty, LLC
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.debug.xcconfig b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.debug.xcconfig
index e0510b1..ae88e19 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.debug.xcconfig	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.debug.xcconfig	
@@ -1,8 +1,10 @@
 CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES
+ENABLE_BITCODE = NO
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2
+HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2 $(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+LIBRARY_SEARCH_PATHS = "$(PODS_ROOT)/Vendor/libidn"
 OTHER_CFLAGS = $(inherited) -DDDXML_LIBXML_MODULE_ENABLED=0 $(inherited) -iquote "$CONFIGURATION_BUILD_DIR/CocoaAsyncSocket.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/CocoaLumberjack.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/KissXML.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/PNXMPPFramework.framework/Headers"
-OTHER_LDFLAGS = $(inherited) -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "KissXML" -framework "PNXMPPFramework"
+OTHER_LDFLAGS = $(inherited) -ObjC -l"xml2" -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "KissXML" -framework "PNXMPPFramework"
 PODS_FRAMEWORK_BUILD_PATH = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods-PNXMPPFramework_Example"
 PODS_ROOT = ${SRCROOT}/Pods
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.release.xcconfig b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.release.xcconfig
index e0510b1..ae88e19 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.release.xcconfig	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Example/Pods-PNXMPPFramework_Example.release.xcconfig	
@@ -1,8 +1,10 @@
 CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES
+ENABLE_BITCODE = NO
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2
+HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2 $(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+LIBRARY_SEARCH_PATHS = "$(PODS_ROOT)/Vendor/libidn"
 OTHER_CFLAGS = $(inherited) -DDDXML_LIBXML_MODULE_ENABLED=0 $(inherited) -iquote "$CONFIGURATION_BUILD_DIR/CocoaAsyncSocket.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/CocoaLumberjack.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/KissXML.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/PNXMPPFramework.framework/Headers"
-OTHER_LDFLAGS = $(inherited) -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "KissXML" -framework "PNXMPPFramework"
+OTHER_LDFLAGS = $(inherited) -ObjC -l"xml2" -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "KissXML" -framework "PNXMPPFramework"
 PODS_FRAMEWORK_BUILD_PATH = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods-PNXMPPFramework_Example"
 PODS_ROOT = ${SRCROOT}/Pods
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.markdown b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.markdown
index 8f44d96..7e3bee7 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.markdown	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.markdown	
@@ -15,7 +15,7 @@ Updated and maintained by Deusty LLC and the Apple development community.
 
 Software License Agreement (BSD License)
 
-Copyright (c) 2010-2015, Deusty, LLC
+Copyright (c) 2010, Deusty, LLC
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.plist b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.plist
index 9300c15..bec55fb 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.plist	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests-acknowledgements.plist	
@@ -30,7 +30,7 @@ Updated and maintained by Deusty LLC and the Apple development community.
 			<key>FooterText</key>
 			<string>Software License Agreement (BSD License)
 
-Copyright (c) 2010-2015, Deusty, LLC
+Copyright (c) 2010, Deusty, LLC
 All rights reserved.
 
 Redistribution and use of this software in source and binary forms,
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.debug.xcconfig b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.debug.xcconfig
index 2bf1424..2414226 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.debug.xcconfig	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.debug.xcconfig	
@@ -1,10 +1,12 @@
 CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES
 EMBEDDED_CONTENT_CONTAINS_SWIFT = YES
+ENABLE_BITCODE = NO
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2
+HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2 $(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+LIBRARY_SEARCH_PATHS = "$(PODS_ROOT)/Vendor/libidn"
 OTHER_CFLAGS = $(inherited) -DDDXML_LIBXML_MODULE_ENABLED=0 $(inherited) -iquote "$CONFIGURATION_BUILD_DIR/CocoaAsyncSocket.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/CocoaLumberjack.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/FBSnapshotTestCase.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/KissXML.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/PNXMPPFramework.framework/Headers"
-OTHER_LDFLAGS = $(inherited) -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "FBSnapshotTestCase" -framework "KissXML" -framework "PNXMPPFramework"
+OTHER_LDFLAGS = $(inherited) -ObjC -l"xml2" -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "FBSnapshotTestCase" -framework "KissXML" -framework "PNXMPPFramework"
 OTHER_SWIFT_FLAGS = $(inherited) "-D" "COCOAPODS"
 PODS_FRAMEWORK_BUILD_PATH = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods-PNXMPPFramework_Tests"
 PODS_ROOT = ${SRCROOT}/Pods
diff --git a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.release.xcconfig b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.release.xcconfig
index 2bf1424..2414226 100644
--- a/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.release.xcconfig	
+++ b/Example/Pods/Target Support Files/Pods-PNXMPPFramework_Tests/Pods-PNXMPPFramework_Tests.release.xcconfig	
@@ -1,10 +1,12 @@
 CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES = YES
 EMBEDDED_CONTENT_CONTAINS_SWIFT = YES
+ENABLE_BITCODE = NO
 GCC_PREPROCESSOR_DEFINITIONS = $(inherited) COCOAPODS=1
-HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2
+HEADER_SEARCH_PATHS = $(SDKROOT)/usr/include/libxml2 $(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv
 LD_RUNPATH_SEARCH_PATHS = $(inherited) '@executable_path/Frameworks' '@loader_path/Frameworks'
+LIBRARY_SEARCH_PATHS = "$(PODS_ROOT)/Vendor/libidn"
 OTHER_CFLAGS = $(inherited) -DDDXML_LIBXML_MODULE_ENABLED=0 $(inherited) -iquote "$CONFIGURATION_BUILD_DIR/CocoaAsyncSocket.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/CocoaLumberjack.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/FBSnapshotTestCase.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/KissXML.framework/Headers" -iquote "$CONFIGURATION_BUILD_DIR/PNXMPPFramework.framework/Headers"
-OTHER_LDFLAGS = $(inherited) -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "FBSnapshotTestCase" -framework "KissXML" -framework "PNXMPPFramework"
+OTHER_LDFLAGS = $(inherited) -ObjC -l"xml2" -framework "CocoaAsyncSocket" -framework "CocoaLumberjack" -framework "FBSnapshotTestCase" -framework "KissXML" -framework "PNXMPPFramework"
 OTHER_SWIFT_FLAGS = $(inherited) "-D" "COCOAPODS"
 PODS_FRAMEWORK_BUILD_PATH = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/Pods-PNXMPPFramework_Tests"
 PODS_ROOT = ${SRCROOT}/Pods
diff --git a/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.h b/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.h
new file mode 100644
index 0000000..aef499a
--- /dev/null
+++ b/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.h
@@ -0,0 +1,19 @@
+/**
+ * Simple XMPP module that tracks average bandwidth of the xmpp stream.
+ * 
+ * For now, this is a really simple module.
+ * But perhaps in the future, as developers adapt this module,
+ * they will open source their additions and improvements.
+**/
+
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_BANDWIDTH_MONITOR_H
+
+@interface XMPPBandwidthMonitor : XMPPModule
+
+@property (readonly) double outgoingBandwidth;
+@property (readonly) double incomingBandwidth;
+
+@end
diff --git a/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.m b/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.m
new file mode 100644
index 0000000..05a8e3b
--- /dev/null
+++ b/Extensions/BandwidthMonitor/XMPPBandwidthMonitor.m
@@ -0,0 +1,191 @@
+#import "XMPPBandwidthMonitor.h"
+#import "XMPPLogging.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+@implementation XMPPBandwidthMonitor
+{
+	dispatch_source_t timer;
+	
+	uint64_t lastNumberOfBytesSent;
+	uint64_t lastNumberOfBytesReceived;
+	
+	double smoothedAverageOutgoingBandwidth;
+	double smoothedAverageIncomingBandwidth;
+}
+
+- (double)outgoingBandwidth
+{
+	__block double result = 0.0;
+	
+	dispatch_block_t block = ^{
+		result = smoothedAverageOutgoingBandwidth;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (double)incomingBandwidth
+{
+	__block double result = 0.0;
+	
+	dispatch_block_t block = ^{
+		result = smoothedAverageIncomingBandwidth;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)updateBandwidth
+{
+	uint64_t currentNumberOfBytesSent = 0;
+	uint64_t currentNumberOfBytesReceived = 0;
+	
+	[xmppStream getNumberOfBytesSent:&currentNumberOfBytesSent numberOfBytesReceived:&currentNumberOfBytesReceived];
+	
+	double currentOutgoingBandwidth = currentNumberOfBytesSent - lastNumberOfBytesSent;         // Bytes per second
+	double currentIncomingBandwidth = currentNumberOfBytesReceived - lastNumberOfBytesReceived; // Bytes per second
+	
+	if (smoothedAverageOutgoingBandwidth || smoothedAverageIncomingBandwidth)
+	{
+		// Apply Brown's Simple Exponential Smoothing algorithm
+		
+		double smoothingFactor = 0.3;
+		
+		smoothedAverageOutgoingBandwidth =   (smoothingFactor * currentOutgoingBandwidth)
+		                                   + ((1 - smoothingFactor) * smoothedAverageOutgoingBandwidth);
+		
+		smoothedAverageIncomingBandwidth =   (smoothingFactor * currentIncomingBandwidth)
+		                                   + ((1 - smoothingFactor) * smoothedAverageIncomingBandwidth);
+	}
+	else
+	{
+		// No previous data
+		
+		smoothedAverageOutgoingBandwidth = currentOutgoingBandwidth;
+		smoothedAverageIncomingBandwidth = currentIncomingBandwidth;
+	}
+	
+	lastNumberOfBytesSent = currentNumberOfBytesSent;
+	lastNumberOfBytesReceived = currentNumberOfBytesReceived;
+	
+	XMPPLogVerbose(@"Bandwidth = Out(%.0f, %.0f) In(%.0f, %.0f)",
+	             currentOutgoingBandwidth, smoothedAverageOutgoingBandwidth,
+	             currentIncomingBandwidth, smoothedAverageIncomingBandwidth);
+}
+
+- (void)startTimer
+{
+	if (timer == NULL)
+	{
+		uint64_t numberOfBytesSent = 0;
+		uint64_t numberOfBytesReceived = 0;
+		
+		[xmppStream getNumberOfBytesSent:&numberOfBytesSent numberOfBytesReceived:&numberOfBytesReceived];
+		
+		lastNumberOfBytesSent = numberOfBytesSent;
+		lastNumberOfBytesReceived = numberOfBytesReceived;
+		
+		smoothedAverageOutgoingBandwidth = 0.0;
+		smoothedAverageIncomingBandwidth = 0.0;
+		
+		timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+		
+		dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+			
+			[self updateBandwidth];
+			
+		}});
+		
+		NSTimeInterval interval = 1.0; // Update every 1 second(s)
+		
+		uint64_t intervalTime = interval * NSEC_PER_SEC;
+		dispatch_time_t startTime = dispatch_time(DISPATCH_TIME_NOW, intervalTime);
+		
+		dispatch_source_set_timer(timer, startTime, intervalTime, 0.25);
+		dispatch_resume(timer);
+	}
+}
+
+- (void)stopTimer
+{
+	if (timer)
+	{
+		lastNumberOfBytesSent = 0;
+		lastNumberOfBytesReceived = 0;
+		
+		smoothedAverageOutgoingBandwidth = 0.0;
+		smoothedAverageIncomingBandwidth = 0.0;
+		
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		if ([xmppStream isConnected])
+		{
+			[self startTimer];
+		}
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[self stopTimer];
+		[super deactivate];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidStartNegotiation:(XMPPStream *)sender;
+{
+	[self startTimer];
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[self stopTimer];
+}
+
+@end
diff --git a/Extensions/CoreDataStorage/XMPPCoreDataStorage.h b/Extensions/CoreDataStorage/XMPPCoreDataStorage.h
new file mode 100644
index 0000000..0df7f0d
--- /dev/null
+++ b/Extensions/CoreDataStorage/XMPPCoreDataStorage.h
@@ -0,0 +1,167 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+/**
+ * This class provides an optional base class that may be used to implement
+ * a CoreDataStorage class for an xmpp extension (or perhaps any core data storage class).
+ * 
+ * It operates on its own dispatch queue which allows it to easily provide storage for multiple extension instance.
+ * More importantly, it smartly buffers its save operations to maximize performance!
+ * 
+ * It does this using two techniques:
+ * 
+ * First, it monitors the number of pending requests.
+ * When a operation is requested of the class, it increments an atomic variable, and schedules the request.
+ * After the request has been processed, it decrements the atomic variable.
+ * At this point it knows if there are other pending requests,
+ * and it uses the information to decide if it should save now,
+ * or postpone the save operation until the pending requests have been executed.
+ * 
+ * Second, it monitors the number of unsaved changes.
+ * Since NSManagedObjectContext retains any changed objects until they are saved to disk
+ * it is an important memory management concern to keep the number of changed objects within a healthy range.
+ * This class uses a configurable saveThreshold to save at appropriate times.
+ * 
+ * This class also offers several useful features such as
+ * preventing multiple instances from using the same database file (conflict)
+ * and caching of xmppStream.myJID to improve performance.
+ * 
+ * For more information on how to extend this class,
+ * please see the XMPPCoreDataStorageProtected.h header file.
+ * 
+ * The framework comes with several classes that extend this base class such as:
+ * - XMPPRosterCoreDataStorage       (Extensions/Roster)
+ * - XMPPCapabilitiesCoreDataStorage (Extensions/XEP-0115)
+ * - XMPPvCardCoreDataStorage        (Extensions/XEP-0054)
+ * 
+ * Feel free to skim over these as reference implementations.
+**/
+
+@interface XMPPCoreDataStorage : NSObject {
+@private
+	
+	NSMutableDictionary *myJidCache;
+	
+	int32_t pendingRequests;
+	
+	NSManagedObjectModel *managedObjectModel;
+	NSPersistentStoreCoordinator *persistentStoreCoordinator;
+	NSManagedObjectContext *managedObjectContext;
+	NSManagedObjectContext *mainThreadManagedObjectContext;
+    
+    NSMutableArray *willSaveManagedObjectContextBlocks;
+    NSMutableArray *didSaveManagedObjectContextBlocks;
+	
+@protected
+	
+	NSString *databaseFileName;
+    NSDictionary *storeOptions;
+	NSUInteger saveThreshold;
+	NSUInteger saveCount;
+    
+    BOOL autoRemovePreviousDatabaseFile;
+    BOOL autoRecreateDatabaseFile;
+    BOOL autoAllowExternalBinaryDataStorage;
+	
+	dispatch_queue_t storageQueue;
+	void *storageQueueTag;
+}
+
+/**
+ * Initializes a core data storage instance, backed by SQLite, with the given database store filename.
+ * It is recommended your database filname use the "sqlite" file extension (e.g. "XMPPRoster.sqlite").
+ * If you pass nil, a default database filename is automatically used.
+ * This default is derived from the classname,
+ * meaning subclasses will get a default database filename derived from the subclass classname.
+ *
+ * If you attempt to create an instance of this class with the same databaseFileName as another existing instance,
+ * this method will return nil.
+ **/
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName storeOptions:(NSDictionary *)storeOptions;
+
+/**
+ * Initializes a core data storage instance, backed by an in-memory store.
+**/
+- (id)initWithInMemoryStore;
+
+/**
+ * Readonly access to the databaseFileName used during initialization.
+ * If nil was passed to the init method, returns the actual databaseFileName being used (the default filename).
+**/
+@property (readonly) NSString *databaseFileName;
+
+/**
+ * Readonly access to the databaseOptions used during initialization.
+ * If nil was passed to the init method, returns the actual databaseOptions being used (the default databaseOptions).
+ **/
+@property (readonly) NSDictionary *storeOptions;
+
+/**
+ * The saveThreshold specifies the maximum number of unsaved changes to NSManagedObjects before a save is triggered.
+ * 
+ * Since NSManagedObjectContext retains any changed objects until they are saved to disk
+ * it is an important memory management concern to keep the number of changed objects within a healthy range.
+ *
+ * Default 500
+**/
+@property (readwrite) NSUInteger saveThreshold;
+
+/**
+ * Provides access to the the thread-safe components of the CoreData stack.
+ * 
+ * Please note:
+ * The managedObjectContext is private to the storageQueue.
+ * If you're on the main thread you can use the mainThreadManagedObjectContext.
+ * Otherwise you must create and use your own managedObjectContext.
+ *  
+ * If you think you can simply add a property for the private managedObjectContext,
+ * then you need to go read the documentation for core data,
+ * specifically the section entitled "Concurrency with Core Data".
+ * 
+ * @see mainThreadManagedObjectContext
+**/
+@property (strong, readonly) NSManagedObjectModel *managedObjectModel;
+@property (strong, readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+
+/**
+ * Convenience method to get a managedObjectContext appropriate for use on the main thread.
+ * This context should only be used from the main thread.
+ * 
+ * NSManagedObjectContext is a light-weight thread-UNsafe component of the CoreData stack.
+ * Thus a managedObjectContext should only be accessed from a single thread, or from a serialized queue.
+ * 
+ * A managedObjectContext is associated with a persistent store.
+ * In most cases the persistent store is an sqlite database file.
+ * So think of a managedObjectContext as a thread-specific cache for the underlying database.
+ * 
+ * This method lazily creates a proper managedObjectContext,
+ * associated with the persistent store of this instance,
+ * and configured to automatically merge changesets from other threads.
+**/
+@property (strong, readonly) NSManagedObjectContext *mainThreadManagedObjectContext;
+
+/**
+ * The Previous Database File is removed before creating a persistant store.
+ *
+ * Default NO
+**/
+
+@property (readwrite) BOOL autoRemovePreviousDatabaseFile;
+
+/**
+ * The Database File is automatically recreated if the persistant store cannot read it e.g. the model changed or the file became corrupt.
+ * For greater control overide didNotAddPersistentStoreWithPath:
+ *
+ * Default NO
+**/
+@property (readwrite) BOOL autoRecreateDatabaseFile;
+
+/**
+ * This method calls setAllowsExternalBinaryDataStorage:YES for all Binary Data Attributes in the Managed Object Model.
+ * On OS Versions that do not support external binary data storage, this property does nothing.
+ *
+ * Default NO
+**/
+@property (readwrite) BOOL autoAllowExternalBinaryDataStorage;
+
+@end
diff --git a/Extensions/CoreDataStorage/XMPPCoreDataStorage.m b/Extensions/CoreDataStorage/XMPPCoreDataStorage.m
new file mode 100644
index 0000000..39218e3
--- /dev/null
+++ b/Extensions/CoreDataStorage/XMPPCoreDataStorage.m
@@ -0,0 +1,1019 @@
+#import "XMPPCoreDataStorage.h"
+#import "XMPPStream.h"
+#import "XMPPInternal.h"
+#import "XMPPJID.h"
+#import "XMPPLogging.h"
+#import "NSNumber+XMPP.h"
+
+#import <objc/runtime.h>
+#import <libkern/OSAtomic.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+@implementation XMPPCoreDataStorage
+
+static NSMutableSet *databaseFileNames;
+
++ (void)initialize
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		databaseFileNames = [[NSMutableSet alloc] init];
+	});
+}
+
++ (BOOL)registerDatabaseFileName:(NSString *)dbFileName
+{
+	BOOL result = NO;
+	
+	@synchronized(databaseFileNames)
+	{
+		if (![databaseFileNames containsObject:dbFileName])
+		{
+			[databaseFileNames addObject:dbFileName];
+			result = YES;
+		}
+	}
+	
+	return result;
+}
+
++ (void)unregisterDatabaseFileName:(NSString *)dbFileName
+{
+	@synchronized(databaseFileNames)
+	{
+		[databaseFileNames removeObject:dbFileName];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Override Me
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)managedObjectModelName
+{
+	// Override me, if needed, to provide customized behavior.
+	// 
+	// This method is queried to get the name of the ManagedObjectModel within the app bundle.
+	// It should return the name of the appropriate file (*.xdatamodel / *.mom / *.momd) sans file extension.
+	// 
+	// The default implementation returns the name of the subclass, stripping any suffix of "CoreDataStorage".
+	// E.g., if your subclass was named "XMPPExtensionCoreDataStorage", then this method would return "XMPPExtension".
+	// 
+	// Note that a file extension should NOT be included.
+	
+	NSString *className = NSStringFromClass([self class]);
+	NSString *suffix = @"CoreDataStorage";
+	
+	if ([className hasSuffix:suffix] && ([className length] > [suffix length]))
+	{
+		return [className substringToIndex:([className length] - [suffix length])];
+	}
+	else
+	{
+		return className;
+	}
+}
+
+- (NSBundle *)managedObjectModelBundle
+{
+    return [NSBundle bundleForClass:[self class]];
+}
+
+- (NSString *)defaultDatabaseFileName
+{
+	// Override me, if needed, to provide customized behavior.
+	// 
+	// This method is queried if the initWithDatabaseFileName:storeOptions: method is invoked with a nil parameter for databaseFileName.
+	// 
+	// You are encouraged to use the sqlite file extension.
+	
+	return [NSString stringWithFormat:@"%@.sqlite", [self managedObjectModelName]];
+}
+
+- (NSDictionary *)defaultStoreOptions
+{
+    
+    // Override me, if needed, to provide customized behavior.
+	//
+	// This method is queried if the initWithDatabaseFileName:storeOptions: method is invoked with a nil parameter for defaultStoreOptions.
+    
+    NSDictionary *defaultStoreOptions = nil;
+    
+    if(databaseFileName)
+    {
+        defaultStoreOptions = @{ NSMigratePersistentStoresAutomaticallyOption: @(YES),
+                                 NSInferMappingModelAutomaticallyOption : @(YES) };
+    }
+    
+    return defaultStoreOptions;
+}
+
+- (void)willCreatePersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)theStoreOptions
+{
+	// Override me, if needed, to provide customized behavior.
+	// 
+	// If you are using a database file with pure non-persistent data (e.g. for memory optimization purposes on iOS),
+	// you may want to delete the database file if it already exists on disk.
+	// 
+	// If this instance was created via initWithDatabaseFilename, then the storePath parameter will be non-nil.
+	// If this instance was created via initWithInMemoryStore, then the storePath parameter will be nil.
+}
+
+- (BOOL)addPersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)theStoreOptions error:(NSError **)errorPtr
+{
+	// Override me, if needed, to completely customize the persistent store.
+	// 
+	// Adds the persistent store path to the persistent store coordinator.
+	// Returns true if the persistent store is created.
+	// 
+	// If this instance was created via initWithDatabaseFilename, then the storePath parameter will be non-nil.
+	// If this instance was created via initWithInMemoryStore, then the storePath parameter will be nil.
+			
+    NSPersistentStore *persistentStore;
+	
+	if (storePath)
+	{
+		// SQLite persistent store
+		
+		NSURL *storeUrl = [NSURL fileURLWithPath:storePath];
+		
+		persistentStore = [persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType
+		                                                           configuration:nil
+		                                                                     URL:storeUrl
+		                                                                 options:storeOptions
+		                                                                   error:errorPtr];
+	}
+	else
+	{
+		// In-Memory persistent store
+		
+		persistentStore = [persistentStoreCoordinator addPersistentStoreWithType:NSInMemoryStoreType
+		                                                           configuration:nil
+		                                                                     URL:nil
+		                                                                 options:nil
+		                                                                   error:errorPtr];
+	}
+	
+    return persistentStore != nil;
+}
+
+- (void)didNotAddPersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)theStoreOptions error:(NSError *)error
+{
+    // Override me, if needed, to provide customized behavior.
+	// 
+	// For example, if you are using the database for non-persistent data and the model changes, 
+	// you may want to delete the database file if it already exists on disk.
+	// 
+	// E.g:
+	// 
+	// [[NSFileManager defaultManager] removeItemAtPath:storePath error:NULL];
+	// [self addPersistentStoreWithPath:storePath error:NULL];
+	//
+	// This method is invoked on the storageQueue.
+    
+#if TARGET_OS_IPHONE
+    XMPPLogError(@"%@:\n"
+                 @"=====================================================================================\n"
+                 @"Error creating persistent store:\n%@\n"
+                 @"Chaned core data model recently?\n"
+                 @"Quick Fix: Delete the app from device and reinstall.\n"
+                 @"=====================================================================================",
+                 [self class], error);
+#else
+    XMPPLogError(@"%@:\n"
+                 @"=====================================================================================\n"
+                 @"Error creating persistent store:\n%@\n"
+                 @"Chaned core data model recently?\n"
+                 @"Quick Fix: Delete the database: %@\n"
+                 @"=====================================================================================",
+                 [self class], error, storePath);
+#endif
+
+}
+
+- (void)didCreateManagedObjectContext
+{
+	// Override me to provide customized behavior.
+	// For example, you may want to perform cleanup of any non-persistent data before you start using the database.
+	// 
+	// This method is invoked on the storageQueue.
+}
+
+- (void)willSaveManagedObjectContext
+{
+	// Override me if you need to do anything special just before changes are saved to disk.
+	// 
+	// This method is invoked on the storageQueue.
+}
+
+- (void)didSaveManagedObjectContext
+{
+	// Override me if you need to do anything special after changes have been saved to disk.
+	// 
+	// This method is invoked on the storageQueue.
+}
+
+- (void)mainThreadManagedObjectContextDidMergeChanges
+{
+	// Override me if you want to do anything special when changes get propogated to the main thread.
+	// 
+	// This method is invoked on the main thread.
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Setup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize databaseFileName;
+@synthesize storeOptions;
+
+- (void)commonInit
+{
+	saveThreshold = 500;
+	
+	storageQueue = dispatch_queue_create(class_getName([self class]), NULL);
+	
+	storageQueueTag = &storageQueueTag;
+	dispatch_queue_set_specific(storageQueue, storageQueueTag, storageQueueTag, NULL);
+	
+	myJidCache = [[NSMutableDictionary alloc] init];
+    
+    willSaveManagedObjectContextBlocks = [[NSMutableArray alloc] init];
+    didSaveManagedObjectContextBlocks = [[NSMutableArray alloc] init];
+	
+	[[NSNotificationCenter defaultCenter] addObserver:self
+	                                         selector:@selector(updateJidCache:)
+	                                             name:XMPPStreamDidChangeMyJIDNotification
+	                                           object:nil];
+}
+
+- (id)init
+{
+    return [self initWithDatabaseFilename:nil storeOptions:nil];
+}
+
+- (id)initWithDatabaseFilename:(NSString *)aDatabaseFileName storeOptions:(NSDictionary *)theStoreOptions
+{
+	if ((self = [super init]))
+	{
+		if (aDatabaseFileName)
+			databaseFileName = [aDatabaseFileName copy];
+		else
+			databaseFileName = [[self defaultDatabaseFileName] copy];
+        
+        if(theStoreOptions)
+            storeOptions = theStoreOptions;
+        else
+            storeOptions = [self defaultStoreOptions];
+		
+		if (![[self class] registerDatabaseFileName:databaseFileName])
+		{
+			return nil;
+		}
+		
+		[self commonInit];
+		NSAssert(storageQueue != NULL, @"Subclass forgot to invoke [super commonInit]");
+	}
+	return self;
+}
+
+- (id)initWithInMemoryStore
+{
+	if ((self = [super init]))
+	{
+		[self commonInit];
+		NSAssert(storageQueue != NULL, @"Subclass forgot to invoke [super commonInit]");
+	}
+	return self;
+}
+
+- (BOOL)configureWithParent:(id)aParent queue:(dispatch_queue_t)queue
+{
+	// This is the standard configure method used by xmpp extensions to configure a storage class.
+	// 
+	// Feel free to override this method if needed,
+	// and just invoke super at some point to make sure everything is kosher at this level as well.
+	
+	NSParameterAssert(aParent != nil);
+	NSParameterAssert(queue != NULL);
+	
+	if (queue == storageQueue)
+	{
+		// This class is designed to be run on a separate dispatch queue from its parent.
+		// This allows us to optimize the database save operations by buffering them,
+		// and executing them when demand on the storage instance is low.
+		
+		return NO;
+	}
+	
+	return YES;
+}
+
+- (NSUInteger)saveThreshold
+{
+	if (dispatch_get_specific(storageQueueTag))
+	{
+		return saveThreshold;
+	}
+	else
+	{
+		__block NSUInteger result;
+		
+		dispatch_sync(storageQueue, ^{
+			result = saveThreshold;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setSaveThreshold:(NSUInteger)newSaveThreshold
+{
+	dispatch_block_t block = ^{
+		saveThreshold = newSaveThreshold;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Stream JID Caching
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// We cache a stream's myJID to avoid constantly querying the xmppStream for it.
+// 
+// The motivation behind this is the fact that to query the xmppStream for its myJID
+// requires going through the xmppStream's internal dispatch queue. (A dispatch_sync).
+// It's not necessarily that this is an expensive operation,
+// but the storage classes sometimes require this information for just about every operation they perform.
+// For a variable that changes infrequently, caching the value can reduce some overhead.
+// In addition, if we can stay out of xmppStream's internal dispatch queue,
+// we free it to perform more xmpp processing tasks.
+
+- (XMPPJID *)myJIDForXMPPStream:(XMPPStream *)stream
+{
+	if (stream == nil) return nil;
+	
+	__block XMPPJID *result = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSNumber *key = [NSNumber xmpp_numberWithPtr:(__bridge void *)stream];
+		
+		result = (XMPPJID *) myJidCache[key];
+		if (!result)
+		{
+			result = [stream myJID];
+			if (result)
+			{
+				myJidCache[key] = result;
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)didChangeCachedMyJID:(XMPPJID *)cachedMyJID forXMPPStream:(XMPPStream *)stream
+{
+	// Override me if you'd like to do anything special when this happens.
+	// 
+	// For example, if your custom storage class prefetches data related to the current user.
+}
+
+- (void)updateJidCache:(NSNotification *)notification
+{
+	// Notifications are delivered on the thread/queue that posted them.
+	// In this case, they are delivered on xmppStream's internal processing queue.
+	
+	XMPPStream *stream = (XMPPStream *)[notification object];
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSNumber *key = [NSNumber xmpp_numberWithPtr:(__bridge void *)stream];
+		XMPPJID *cachedJID = myJidCache[key];
+		
+		if (cachedJID)
+		{
+			XMPPJID *newJID = [stream myJID];
+			
+			if (newJID)
+			{
+				if (![cachedJID isEqualToJID:newJID])
+				{
+					myJidCache[key] = newJID;
+					[self didChangeCachedMyJID:newJID forXMPPStream:stream];
+				}
+			}
+			else
+			{
+				[myJidCache removeObjectForKey:key];
+				[self didChangeCachedMyJID:nil forXMPPStream:stream];
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Core Data Setup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)persistentStoreDirectory
+{
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, YES);
+    NSString *basePath = ([paths count] > 0) ? paths[0] : NSTemporaryDirectory();
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    
+    // Previously the Peristent Story Directory was based on the Bundle Display Name but this can be Localized
+    // If Peristent Story Directory already exists we will use that
+    NSString *bundleDisplayName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"];
+    NSString *legacyPersistentStoreDirectory  = [basePath stringByAppendingPathComponent:bundleDisplayName];
+    if ([fileManager fileExistsAtPath:legacyPersistentStoreDirectory]) {
+        return legacyPersistentStoreDirectory;
+    }
+    
+    // Peristent Story Directory now uses the Bundle Identifier
+    NSString *bundleIdentifier = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIdentifier"];
+    NSString *persistentStoreDirectory  = [basePath stringByAppendingPathComponent:bundleIdentifier];
+    if (![fileManager fileExistsAtPath:persistentStoreDirectory]) {
+        [fileManager createDirectoryAtPath:persistentStoreDirectory withIntermediateDirectories:YES attributes:nil error:nil];
+    }
+    return persistentStoreDirectory;
+}
+
+- (NSManagedObjectModel *)managedObjectModel
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	__block NSManagedObjectModel *result = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (managedObjectModel)
+		{
+			result = managedObjectModel;
+			return;
+		}
+		        
+		NSString *momName = [self managedObjectModelName];
+		
+		XMPPLogVerbose(@"%@: Creating managedObjectModel (%@)", [self class], momName);
+		
+		NSString *momPath = [[self managedObjectModelBundle] pathForResource:momName ofType:@"mom"];
+		if (momPath == nil)
+		{
+			// The model may be versioned or created with Xcode 4, try momd as an extension.
+			momPath = [[self managedObjectModelBundle] pathForResource:momName ofType:@"momd"];
+		}
+    
+		if (momPath)
+		{
+			// If path is nil, then NSURL or NSManagedObjectModel will throw an exception
+			
+			NSURL *momUrl = [NSURL fileURLWithPath:momPath];
+			
+			managedObjectModel = [[[NSManagedObjectModel alloc] initWithContentsOfURL:momUrl] copy];
+		}
+		else
+		{
+			XMPPLogWarn(@"%@: Couldn't find managedObjectModel file - %@", [self class], momName);
+		}
+        
+        if([NSAttributeDescription instancesRespondToSelector:@selector(setAllowsExternalBinaryDataStorage:)])
+        {
+            if(autoAllowExternalBinaryDataStorage)
+            {
+                NSArray *entities = [managedObjectModel entities];
+                
+                for(NSEntityDescription *entity in entities)
+                {
+                    NSDictionary *attributesByName = [entity attributesByName];
+                    
+                    [attributesByName enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+                        
+                        if([obj attributeType] == NSBinaryDataAttributeType)
+                        {
+                            [obj setAllowsExternalBinaryDataStorage:YES];
+                        }
+                        
+                    }];			
+                }
+                
+            }
+            
+        }
+		
+		result = managedObjectModel;
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (NSPersistentStoreCoordinator *)persistentStoreCoordinator
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	__block NSPersistentStoreCoordinator *result = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (persistentStoreCoordinator)
+		{
+			result = persistentStoreCoordinator;
+			return;
+		}
+		
+		NSManagedObjectModel *mom = [self managedObjectModel];
+		if (mom == nil)
+		{
+			return;
+		}
+		
+		XMPPLogVerbose(@"%@: Creating persistentStoreCoordinator", [self class]);
+		
+		persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:mom];
+		
+		if (databaseFileName)
+		{
+			// SQLite persistent store
+			
+			NSString *docsPath = [self persistentStoreDirectory];
+			NSString *storePath = [docsPath stringByAppendingPathComponent:databaseFileName];
+			if (storePath)
+			{
+				// If storePath is nil, then NSURL will throw an exception
+                
+                if(autoRemovePreviousDatabaseFile)
+                {
+                    if ([[NSFileManager defaultManager] fileExistsAtPath:storePath])
+                    {
+                        [[NSFileManager defaultManager] removeItemAtPath:storePath error:nil];
+                    }
+                }
+				
+				[self willCreatePersistentStoreWithPath:storePath options:storeOptions];
+				
+				NSError *error = nil;
+				
+				BOOL didAddPersistentStore = [self addPersistentStoreWithPath:storePath options:storeOptions error:&error];
+				
+				if(autoRecreateDatabaseFile && !didAddPersistentStore)
+				{
+					[[NSFileManager defaultManager] removeItemAtPath:storePath error:NULL];
+					
+					didAddPersistentStore = [self addPersistentStoreWithPath:storePath options:storeOptions error:&error];
+				}
+				
+				if (!didAddPersistentStore)
+				{
+					[self didNotAddPersistentStoreWithPath:storePath options:storeOptions error:error];
+				}
+			}
+			else
+			{
+				XMPPLogWarn(@"%@: Error creating persistentStoreCoordinator - Nil persistentStoreDirectory",
+							[self class]);
+			}
+		}
+		else
+		{
+			// In-Memory persistent store
+			
+			[self willCreatePersistentStoreWithPath:nil options:storeOptions];
+			
+			NSError *error = nil;
+			if (![self addPersistentStoreWithPath:nil options:storeOptions error:&error])
+			{
+				[self didNotAddPersistentStoreWithPath:nil options:storeOptions error:error];
+			}
+		}
+		
+		result = persistentStoreCoordinator;
+		
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+
+    return result;
+}
+
+- (NSManagedObjectContext *)managedObjectContext
+{
+	// This is a private method.
+	// 
+	// NSManagedObjectContext is NOT thread-safe.
+	// Therefore it is VERY VERY BAD to use our private managedObjectContext outside our private storageQueue.
+	// 
+	// You should NOT remove the assert statement below!
+	// You should NOT give external classes access to the storageQueue! (Excluding subclasses obviously.)
+	// 
+	// When you want a managedObjectContext of your own (again, excluding subclasses),
+	// you can use the mainThreadManagedObjectContext (below),
+	// or you should create your own using the public persistentStoreCoordinator.
+	// 
+	// If you even comtemplate ignoring this warning,
+	// then you need to go read the documentation for core data,
+	// specifically the section entitled "Concurrency with Core Data".
+	// 
+	NSAssert(dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	// 
+	// Do NOT remove the assert statment above!
+	// Read the comments above!
+	// 
+	
+	if (managedObjectContext)
+	{
+		return managedObjectContext;
+	}
+	
+	NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator];
+	if (coordinator)
+	{
+		XMPPLogVerbose(@"%@: Creating managedObjectContext", [self class]);
+		
+		if ([NSManagedObjectContext instancesRespondToSelector:@selector(initWithConcurrencyType:)])
+			managedObjectContext =
+			    [[NSManagedObjectContext alloc] initWithConcurrencyType:NSConfinementConcurrencyType];
+		else
+			managedObjectContext = [[NSManagedObjectContext alloc] init];
+		
+		managedObjectContext.persistentStoreCoordinator = coordinator;
+		managedObjectContext.undoManager = nil;
+		
+		[self didCreateManagedObjectContext];
+	}
+	
+	return managedObjectContext;
+}
+
+- (NSManagedObjectContext *)mainThreadManagedObjectContext
+{
+	// NSManagedObjectContext is NOT thread-safe.
+	// Therefore it is VERY VERY BAD to use this managedObjectContext outside the main thread.
+	// 
+	// You should NOT remove the assert statement below!
+	// 
+	// When you want a managedObjectContext of your own for non-main-thread use,
+	// you should create your own using the public persistentStoreCoordinator.
+	// 
+	// If you even comtemplate ignoring this warning,
+	// then you need to go read the documentation for core data,
+	// specifically the section entitled "Concurrency with Core Data".
+	// 
+	NSAssert([NSThread isMainThread], @"Context reserved for main thread only");
+	// 
+	// Do NOT remove the assert statment above!
+	// Read the comments above!
+	// 
+	
+	if (mainThreadManagedObjectContext)
+	{
+		return mainThreadManagedObjectContext;
+	}
+	
+	NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator];
+	if (coordinator)
+	{
+		XMPPLogVerbose(@"%@: Creating mainThreadManagedObjectContext", [self class]);
+		
+		if ([NSManagedObjectContext instancesRespondToSelector:@selector(initWithConcurrencyType:)])
+			mainThreadManagedObjectContext =
+			    [[NSManagedObjectContext alloc] initWithConcurrencyType:NSMainQueueConcurrencyType];
+		else
+			mainThreadManagedObjectContext = [[NSManagedObjectContext alloc] init];
+		
+		mainThreadManagedObjectContext.persistentStoreCoordinator = coordinator;
+		mainThreadManagedObjectContext.undoManager = nil;
+		
+		[[NSNotificationCenter defaultCenter] addObserver:self
+		                                         selector:@selector(managedObjectContextDidSave:)
+		                                             name:NSManagedObjectContextDidSaveNotification
+		                                           object:nil];
+		
+		// Todo: If we knew that our private managedObjectContext was going to be the only one writing to the database,
+		// then a small optimization would be to use it as the object when registering above.
+	}
+	
+	return mainThreadManagedObjectContext;
+}
+
+- (void)managedObjectContextDidSave:(NSNotification *)notification
+{
+	NSManagedObjectContext *sender = (NSManagedObjectContext *)[notification object];
+	
+	if ((sender != mainThreadManagedObjectContext) &&
+	    (sender.persistentStoreCoordinator == mainThreadManagedObjectContext.persistentStoreCoordinator))
+	{
+		XMPPLogVerbose(@"%@: %@ - Merging changes into mainThreadManagedObjectContext", THIS_FILE, THIS_METHOD);
+		
+		dispatch_async(dispatch_get_main_queue(), ^{
+            
+            // http://stackoverflow.com/questions/3923826/nsfetchedresultscontroller-with-predicate-ignores-changes-merged-from-different
+            for (NSManagedObject *object in [notification userInfo][NSUpdatedObjectsKey]) {
+                [[mainThreadManagedObjectContext objectWithID:[object objectID]] willAccessValueForKey:nil];
+            }
+			
+			[mainThreadManagedObjectContext mergeChangesFromContextDidSaveNotification:notification];
+			[self mainThreadManagedObjectContextDidMergeChanges];
+		});
+    }
+}
+
+- (BOOL)autoRemovePreviousDatabaseFile
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		result = autoRemovePreviousDatabaseFile;
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoRemovePreviousDatabaseFile:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoRemovePreviousDatabaseFile = flag;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+}
+
+- (BOOL)autoRecreateDatabaseFile
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		result = autoRecreateDatabaseFile;
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoRecreateDatabaseFile:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoRecreateDatabaseFile = flag;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+}
+
+- (BOOL)autoAllowExternalBinaryDataStorage
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		result = autoAllowExternalBinaryDataStorage;
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoAllowExternalBinaryDataStorage:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoAllowExternalBinaryDataStorage = flag;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);	
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)numberOfUnsavedChanges
+{
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	
+	NSUInteger unsavedCount = 0;
+	unsavedCount += [[moc updatedObjects] count];
+	unsavedCount += [[moc insertedObjects] count];
+	unsavedCount += [[moc deletedObjects] count];
+	
+	return unsavedCount;
+}
+
+- (void)save
+{
+	// I'm fairly confident that the implementation of [NSManagedObjectContext save:]
+	// internally checks to see if it has anything to save before it actually does anthing.
+	// So there's no need for us to do it here, especially since this method is usually
+	// called from maybeSave below, which already does this check.
+    
+    for(void (^block)(void) in willSaveManagedObjectContextBlocks) {
+        block();
+    }
+    
+    [willSaveManagedObjectContextBlocks removeAllObjects];
+    
+	NSError *error = nil;
+	if ([[self managedObjectContext] save:&error])
+	{
+		saveCount++;
+        
+        for(void (^block)(void) in didSaveManagedObjectContextBlocks) {
+            block();
+        }
+        
+        [didSaveManagedObjectContextBlocks removeAllObjects];
+	}
+	else
+	{
+		XMPPLogWarn(@"%@: Error saving - %@ %@", [self class], error, [error userInfo]);
+		
+		[[self managedObjectContext] rollback];
+        
+        [didSaveManagedObjectContextBlocks removeAllObjects];
+	}
+}
+
+- (void)maybeSave:(int32_t)currentPendingRequests
+{
+	NSAssert(dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	
+	if ([[self managedObjectContext] hasChanges])
+	{
+		if (currentPendingRequests == 0)
+		{
+			XMPPLogVerbose(@"%@: Triggering save (pendingRequests=%i)", [self class], currentPendingRequests);
+			
+			[self save];
+		}
+		else
+		{
+			NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+			if (unsavedCount >= saveThreshold)
+			{
+				XMPPLogVerbose(@"%@: Triggering save (unsavedCount=%lu)", [self class], (unsigned long)unsavedCount);
+				
+				[self save];
+			}
+		}
+	}
+}
+
+- (void)maybeSave
+{
+	// Convenience method in the very rare case that a subclass would need to invoke maybeSave manually.
+	
+	[self maybeSave:OSAtomicAdd32(0, &pendingRequests)];
+}
+
+- (void)executeBlock:(dispatch_block_t)block
+{
+	// By design this method should not be invoked from the storageQueue.
+	// 
+	// If you remove the assert statement below, you are destroying the sole purpose for this class,
+	// which is to optimize the disk IO by buffering save operations.
+	// 
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	// 
+	// For a full discussion of this method, please see XMPPCoreDataStorageProtocol.h
+	//
+	// dispatch_Sync
+	//          ^
+	
+	OSAtomicIncrement32(&pendingRequests);
+	dispatch_sync(storageQueue, ^{ @autoreleasepool {
+		
+		block();
+		
+		// Since this is a synchronous request, we want to return as quickly as possible.
+		// So we delay the maybeSave operation til later.
+		
+		dispatch_async(storageQueue, ^{ @autoreleasepool {
+			
+			[self maybeSave:OSAtomicDecrement32(&pendingRequests)];
+		}});
+		
+	}});
+}
+
+- (void)scheduleBlock:(dispatch_block_t)block
+{
+	// By design this method should not be invoked from the storageQueue.
+	// 
+	// If you remove the assert statement below, you are destroying the sole purpose for this class,
+	// which is to optimize the disk IO by buffering save operations.
+	// 
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	// 
+	// For a full discussion of this method, please see XMPPCoreDataStorageProtocol.h
+	// 
+	// dispatch_Async
+	//          ^
+	
+	OSAtomicIncrement32(&pendingRequests);
+	dispatch_async(storageQueue, ^{ @autoreleasepool {
+		
+		block();
+		[self maybeSave:OSAtomicDecrement32(&pendingRequests)];
+	}});
+}
+
+- (void)addWillSaveManagedObjectContextBlock:(void (^)(void))willSaveBlock
+{
+    dispatch_block_t block = ^{
+		[willSaveManagedObjectContextBlocks addObject:[willSaveBlock copy]];
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+}
+
+- (void)addDidSaveManagedObjectContextBlock:(void (^)(void))didSaveBlock
+{
+    dispatch_block_t block = ^{
+		[didSaveManagedObjectContextBlocks addObject:[didSaveBlock copy]];
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Memory Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)dealloc
+{
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+	
+	if (databaseFileName)
+	{
+		[[self class] unregisterDatabaseFileName:databaseFileName];
+	}
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (storageQueue)
+		dispatch_release(storageQueue);
+	#endif
+}
+
+@end
diff --git a/Extensions/CoreDataStorage/XMPPCoreDataStorageProtected.h b/Extensions/CoreDataStorage/XMPPCoreDataStorageProtected.h
new file mode 100644
index 0000000..f441502
--- /dev/null
+++ b/Extensions/CoreDataStorage/XMPPCoreDataStorageProtected.h
@@ -0,0 +1,334 @@
+#import "XMPPCoreDataStorage.h"
+
+@class XMPPJID;
+@class XMPPStream;
+
+/**
+ * The methods in this class are to be used ONLY by subclasses of XMPPCoreDataStorage.
+**/
+
+@interface XMPPCoreDataStorage (Protected)
+
+#pragma mark Override Me
+
+/**
+ * If your subclass needs to do anything for init, it can do so easily by overriding this method.
+ * All public init methods will invoke this method at the end of their implementation.
+ * 
+ * Important: If overriden you must invoke [super commonInit] at some point.
+**/
+- (void)commonInit;
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * This method is queried to get the name of the ManagedObjectModel within a bundle.
+ * It should return the name of the appropriate file (*.xdatamodel / *.mom / *.momd) sans file extension.
+ * 
+ * The default implementation returns the name of the subclass, stripping any suffix of "CoreDataStorage".
+ * E.g., if your subclass was named "XMPPExtensionCoreDataStorage", then this method would return "XMPPExtension".
+ * 
+ * Note that a file extension should NOT be included.
+**/
+- (NSString *)managedObjectModelName;
+
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ *
+ * This method is queried to get the bundle containing the ManagedObjectModel.
+**/
+- (NSBundle *)managedObjectModelBundle;
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * This method is queried if the initWithDatabaseFileName:storeOptions: method is invoked with a nil parameter for databaseFileName.
+ * The default implementation returns:
+ * 
+ * [NSString stringWithFormat:@"%@.sqlite", [self managedObjectModelName]];
+ * 
+ * You are encouraged to use the sqlite file extension.
+**/
+- (NSString *)defaultDatabaseFileName;
+
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ *
+ * This method is queried if the initWithDatabaseFileName:storeOptions method is invoked with a nil parameter for storeOptions.
+ * The default implementation returns the following:
+ *
+ * @{ NSMigratePersistentStoresAutomaticallyOption: @(YES),
+ *    NSInferMappingModelAutomaticallyOption : @(YES) };
+ **/
+- (NSDictionary *)defaultStoreOptions;
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * If you are using a database file with pure non-persistent data (e.g. for memory optimization purposes on iOS),
+ * you may want to delete the database file if it already exists on disk.
+ * 
+ * If this instance was created via initWithDatabaseFilename, then the storePath parameter will be non-nil.
+ * If this instance was created via initWithInMemoryStore, then the storePath parameter will be nil.
+ * 
+ * The default implementation does nothing.
+**/
+- (void)willCreatePersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)storeOptions;
+
+/**
+ * Override me, if needed, to completely customize the persistent store.
+ * 
+ * Adds the persistent store path to the persistent store coordinator.
+ * Returns true if the persistent store is created.
+ * 
+ * If this instance was created via initWithDatabaseFilename, then the storePath parameter will be non-nil.
+ * If this instance was created via initWithInMemoryStore, then the storePath parameter will be nil.
+**/
+- (BOOL)addPersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)storeOptions error:(NSError **)errorPtr;
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * For example, if you are using the database for non-persistent data and the model changes, you may want
+ * to delete the database file if it already exists on disk and a core data migration is not worthwhile.
+ * 
+ * If this instance was created via initWithDatabaseFilename, then the storePath parameter will be non-nil.
+ * If this instance was created via initWithInMemoryStore, then the storePath parameter will be nil.
+ * 
+ * The default implementation simply writes to the XMPP error log.
+**/
+- (void)didNotAddPersistentStoreWithPath:(NSString *)storePath options:(NSDictionary *)storeOptions error:(NSError *)error;
+
+/**
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * For example, you may want to perform cleanup of any non-persistent data before you start using the database.
+ * 
+ * The default implementation does nothing.
+**/
+- (void)didCreateManagedObjectContext;
+
+/**
+ * Override me if you need to do anything special just before changes are saved to disk.
+ * 
+ * This method will be invoked on the storageQueue.
+ * The default implementation does nothing.
+**/
+- (void)willSaveManagedObjectContext;
+
+/**
+ * Override me if you need to do anything special after changes have been saved to disk.
+ * 
+ * This method will be invoked on the storageQueue.
+ * The default implementation does nothing.
+**/
+- (void)didSaveManagedObjectContext;
+
+/**
+ * This method will be invoked on the main thread,
+ * after the mainThreadManagedObjectContext has merged changes from another context.
+ * 
+ * This method may be useful if you have code dependent upon when changes the datastore hit the user interface.
+ * For example, you want to play a sound when a message is received.
+ * You could play the sound right away, from the background queue, but the timing may be slightly off because
+ * the user interface won't update til the changes have been saved to disk,
+ * and then propogated to the managedObjectContext of the main thread.
+ * Alternatively you could set a flag, and then hook into this method
+ * to play the sound at the exact moment the propogation hits the main thread.
+ * 
+ * The default implementation does nothing.
+**/
+- (void)mainThreadManagedObjectContextDidMergeChanges;
+
+#pragma mark Setup
+
+/**
+ * This is the standard configure method used by xmpp extensions to configure a storage class.
+ * 
+ * Feel free to override this method if needed,
+ * and just invoke super at some point to make sure everything is kosher at this level as well.
+ * 
+ * Note that the default implementation allows the storage class to be used by multiple xmpp streams.
+ * If you design your storage class to be used by a single stream, then you should implement this method
+ * to ensure that your class can only be configured by one parent.
+ * If you do, again, don't forget to invoke super at some point.
+**/
+- (BOOL)configureWithParent:(id)aParent queue:(dispatch_queue_t)queue;
+
+#pragma mark Stream JID caching
+
+/**
+ * This class provides a caching service for xmppStream.myJID to avoid constantly querying the xmppStream for it.
+ * 
+ * The motivation behind this is the fact that to query the xmppStream for its myJID
+ * requires going through the xmppStream's internal dispatch queue. (A dispatch_sync).
+ * It's not necessarily that this is an expensive operation,
+ * but storage classes sometimes require this information for just about every operation they perform.
+ * For a variable that changes infrequently, caching the value can reduce some overhead.
+ * In addition, if we can stay out of xmppStream's internal dispatch queue,
+ * we free it to perform more xmpp processing tasks.
+ * 
+ * If the xmppStream.myJID changes, the cache will automatically be updated.
+ * 
+ * If you store any variant of xmppStream.myJID (bare, full, domain, etc) in your database
+ * you are strongly encouraged to use the caching service.
+ * 
+ * For example, say you're implementing a core data storage caching mechanism for Private XML Storage (XEP-0049).
+ * The data you're caching is explictly tied to the stream's bare myJID. ([xmppStream.myJID bare])
+ * You want your storage class to support multiple xmpp streams,
+ * so you add a field to the database called streamBareJidStr (or whatever).
+ * Given an xmppStream, you can use the built-in cache to quickly get the xmppStream.myJid property:
+ * 
+ * [self myJidForXMPPStream:stream]
+ * 
+ * This method will retrieve the myJID property of the given xmppStream the first time,
+ * and then cache it for future lookups. The cache is automatically updated if the xmppStream.myJID ever changes.
+**/
+- (XMPPJID *)myJIDForXMPPStream:(XMPPStream *)stream;
+
+/**
+ * This method is invoked if the cached myJID changes for a particular xmpp stream.
+ * 
+ * This method works in correlation with the myJIDForXMPPStream method.
+ * In other words, calling myJIDForXMPPStream will cache the value.
+ * If that value later changes, this method is invoked.
+ * 
+ * So if the myJID of an xmpp stream changes, but there was no cached value for that xmpp stream,
+ * then this method is never called. E.g. this method is only called for streams we're actually interested in.
+ * 
+ * You may wish to override this method if your storage class prefetches data related to the current user.
+ * 
+ * This method will be invoked on the storageQueue.
+ * The default implementation does nothing.
+**/
+- (void)didChangeCachedMyJID:(XMPPJID *)cachedMyJID forXMPPStream:(XMPPStream *)stream;
+
+#pragma mark Core Data
+
+/**
+ * The standard persistentStoreDirectory method.
+**/
+- (NSString *)persistentStoreDirectory;
+
+/**
+ * Provides access to the managedObjectContext.
+ * 
+ * Keep in mind that NSManagedObjectContext is NOT thread-safe.
+ * So you can ONLY access this property from within the context of the storageQueue.
+ * 
+ * Important:
+ * The primary purpose of this class is to optimize disk IO by buffering save operations to the managedObjectContext.
+ * It does this using the methods outlined in the 'Performance Optimizations' section below.
+ * If you manually save the managedObjectContext you are destroying these optimizations.
+ * See the documentation for executeBlock & scheduleBlock below for proper usage surrounding the optimizations.
+**/
+@property (readonly) NSManagedObjectContext *managedObjectContext;
+
+#pragma mark Performance Optimizations
+
+/**
+ * Queries the managedObjectContext to determine the number of unsaved managedObjects.
+**/
+- (NSUInteger)numberOfUnsavedChanges;
+
+/**
+ * You will not often need to manually call this method.
+ * It is called automatically, at appropriate and optimized times, via the executeBlock and scheduleBlock methods.
+ * 
+ * The one exception to this is when you are inserting/deleting/updating a large number of objects in a loop.
+ * It is recommended that you invoke save from within the loop.
+ * E.g.:
+ * 
+ * NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+ * for (NSManagedObject *obj in fetchResults)
+ * {
+ *     [[self managedObjectContext] deleteObject:obj];
+ *     
+ *     if (++unsavedCount >= saveThreshold)
+ *     {
+ *         [self save];
+ *         unsavedCount = 0;
+ *     }
+ * }
+ * 
+ * See also the documentation for executeBlock and scheduleBlock below.
+**/
+- (void)save; // Read the comments above !
+
+/**
+ * You will rarely need to manually call this method.
+ * It is called automatically, at appropriate and optimized times, via the executeBlock and scheduleBlock methods.
+ * 
+ * This method makes informed decisions as to whether it should save the managedObjectContext changes to disk.
+ * Since this disk IO is a slow process, it is better to buffer writes during high demand.
+ * This method takes into account the number of pending requests waiting on the storage instance,
+ * as well as the number of unsaved changes (which reside in NSManagedObjectContext's internal memory).
+ * 
+ * Please see the documentation for executeBlock and scheduleBlock below.
+**/
+- (void)maybeSave; // Read the comments above !
+
+/**
+ * This method synchronously invokes the given block (dispatch_sync) on the storageQueue.
+ * 
+ * Prior to dispatching the block it increments (atomically) the number of pending requests.
+ * After the block has been executed, it decrements (atomically) the number of pending requests,
+ * and then invokes the maybeSave method which implements the logic behind the optimized disk IO.
+ * 
+ * If you use the executeBlock and scheduleBlock methods for all your database operations,
+ * you will automatically inherit optimized disk IO for free.
+ * 
+ * If you manually invoke [managedObjectContext save:] you are destroying the optimizations provided by this class.
+ * 
+ * The block handed to this method is automatically wrapped in a NSAutoreleasePool,
+ * so there is no need to create these yourself as this method automatically handles it for you.
+ * 
+ * The architecture of this class purposefully puts the CoreDataStorage instance on a separate dispatch_queue
+ * from the parent XmppExtension. Not only does this allow a single storage instance to service multiple extension
+ * instances, but it provides the mechanism for the disk IO optimizations. The theory behind the optimizations
+ * is to delay a save of the data (a slow operation) until the storage class is no longer being used. With xmpp
+ * it is often the case that a burst of data causes a flurry of queries and/or updates for a storage class.
+ * Thus the theory is to delay the slow save operation until later when the flurry has ended and the storage
+ * class no longer has any pending requests.
+ * 
+ * This method is designed to be invoked from within the XmppExtension storage protocol methods.
+ * In other words, it is expecting to be invoked from a dispatch_queue other than the storageQueue.
+ * If you attempt to invoke this method from within the storageQueue, an exception is thrown.
+ * Therefore care should be taken when designing your implementation.
+ * The recommended procedure is as follows:
+ * 
+ * All of the methods that implement the XmppExtension storage protocol invoke either executeBlock or scheduleBlock.
+ * However, none of these methods invoke each other (they are only to be invoked from the XmppExtension instance).
+ * Instead, create internal utility methods that may be invoked.
+ * 
+ * For an example, see the XMPPRosterCoreDataStorage implementation's _userForJID:xmppStream: method.
+**/
+- (void)executeBlock:(dispatch_block_t)block;
+
+/**
+ * This method asynchronously invokes the given block (dispatch_async) on the storageQueue.
+ * 
+ * It works very similarly to the executeBlock method.
+ * See the executeBlock method above for a full discussion.
+**/
+- (void)scheduleBlock:(dispatch_block_t)block;
+
+/**
+ * Sometimes you want to call a method before calling save on a Managed Object Context e.g. willSaveObject:
+ *
+ * addWillSaveManagedObjectContextBlock allows you to add a block of code to be called before saving a Managed Object Context,
+ * without the overhead of having to call save at that moment.
+**/
+- (void)addWillSaveManagedObjectContextBlock:(void (^)(void))willSaveBlock;
+
+/**
+ * Sometimes you want to call a method after calling save on a Managed Object Context e.g. didSaveObject:
+ *
+ * addDidSaveManagedObjectContextBlock allows you to add a block of code to be after saving a Managed Object Context,
+ * without the overhead of having to call save at that moment.
+**/
+- (void)addDidSaveManagedObjectContextBlock:(void (^)(void))didSaveBlock;
+
+@end
diff --git a/Extensions/FileTransfer/XMPPFileTransfer.h b/Extensions/FileTransfer/XMPPFileTransfer.h
new file mode 100644
index 0000000..8874680
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPFileTransfer.h
@@ -0,0 +1,80 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+#import "XMPPModule.h"
+#import "TURNSocket.h"
+#import "GCDAsyncSocket.h"
+
+@class XMPPIDTracker;
+
+typedef NS_OPTIONS(uint8_t, XMPPFileTransferStreamMethod) {
+  XMPPFileTransferStreamMethodBytestreams = 1 << 0, // If set, SOCKS5 connections allowed
+  XMPPFileTransferStreamMethodIBB         = 1 << 1, // If set, IBB connections allowed
+//  XMPPFileTransferStreamMethodJingle      = 1 << 2  // If set, Jingle connections allowed
+  // Note that Jingle is not yet implemented
+};
+
+/**
+* This class defines common elements of the file transfer process that apply to
+* both outgoing and incoming transfers.
+*
+* You'll find more detailed documentation in each of the implementation files.
+*
+* By default, the stream-method priority is as follows:
+*
+* 1. SOCKS5 Direct Connection (http://xmpp.org/extensions/xep-0065.html#direct)
+* 2. SOCKS5 Mediated (http://xmpp.org/extensions/xep-0065.html#mediated)
+* 3. IBB (http://xmpp.org/extensions/xep-0047.html)
+*/
+@interface XMPPFileTransfer : XMPPModule <GCDAsyncSocketDelegate> {
+  XMPPFileTransferStreamMethod _streamMethods;
+  XMPPIDTracker *_idTracker;
+  GCDAsyncSocket *_asyncSocket;
+  NSMutableArray *_streamhosts;
+}
+
+/**
+* The streamID ("sid") for the file transfer.
+*/
+@property (nonatomic, copy) NSString *sid;
+
+/**
+* Use this to disable file transfers via direct connection.
+*
+* If set to YES, SOCKS5 transfers will only take place if there is a proxy that
+* works. If set to NO, SOCKS5 transfers will attempt a direct connection first
+* and fall back to a proxy if the direct connection doesn't work.
+*
+* The default value is NO.
+*/
+@property (nonatomic, assign) BOOL disableDirectTransfers;
+
+/**
+* Use this to disable file transfers via SOCKS5.
+*
+* If set to YES, SOCKS5 transfers will not be used. This means that the
+* recipient must support IBB transfers or the transfer will fail. If set to NO,
+* a SOCKS5 connection will be attempted first, since this should be the
+* preferred method of transfer.
+*
+* The default value is NO.
+*/
+@property (nonatomic, assign) BOOL disableSOCKS5;
+
+/**
+* Use this to disable file transfers via IBB.
+*
+* If set to YES, IBB transfers will not be used. This means that the
+* recipient must support SOCKS5 transfers or the transfer will fail. If set to
+* NO, a SOCKS5 connection will be attempted first, since this should be the
+* preferred method of transfer.
+*
+* The default value is NO.
+*/
+@property (nonatomic, assign) BOOL disableIBB;
+
+@end
diff --git a/Extensions/FileTransfer/XMPPFileTransfer.m b/Extensions/FileTransfer/XMPPFileTransfer.m
new file mode 100644
index 0000000..1334c8b
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPFileTransfer.m
@@ -0,0 +1,11 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#import "XMPPFileTransfer.h"
+
+
+@implementation XMPPFileTransfer
+
+@end
\ No newline at end of file
diff --git a/Extensions/FileTransfer/XMPPIncomingFileTransfer.h b/Extensions/FileTransfer/XMPPIncomingFileTransfer.h
new file mode 100644
index 0000000..2da822c
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPIncomingFileTransfer.h
@@ -0,0 +1,80 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPFileTransfer.h"
+
+@class XMPPIQ;
+
+@interface XMPPIncomingFileTransfer : XMPPFileTransfer
+
+/**
+* (Optional)
+*
+* Specifies whether or not file transfers should automatically be accepted. If
+* set to YES, you will be notified of an incoming Stream Initiation Offer, but
+* it will be accepted for you.
+*
+* The default value is NO.
+*/
+@property (nonatomic, assign) BOOL autoAcceptFileTransfers;
+
+/**
+* Sends a response to the file transfer initiator accepting the Stream
+* Initiation offer. It will automatically determine the best transfer method
+* (either SOCKS5 or IBB) based on what the sender offers as options.
+*
+* If you've set autoAcceptFileTransfers to YES, this method will be invoked for
+* you automatically.
+*
+* @param offer IQ stanza representing the SI offer (this should be provided by
+*              the delegate to you).
+*/
+- (void)acceptSIOffer:(XMPPIQ *)offer;
+
+@end
+
+
+#pragma mark - XMPPIncomingFileTransferDelegate
+
+@protocol XMPPIncomingFileTransferDelegate
+@optional
+
+/**
+* Implement this method to receive notifications of a failed incoming file
+* transfer.
+*
+* @param sender XMPPIncomingFileTransfer object invoking this delegate method.
+* @param error NSError containing more details of the failure.
+*/
+- (void)xmppIncomingFileTransfer:(XMPPIncomingFileTransfer *)sender
+                didFailWithError:(NSError *)error;
+
+/**
+* Implement this method to receive notification of an incoming Stream
+* Initiation offer. Keep in mind that if you haven't set
+* autoAcceptFileTransfers to YES, then it will be your responsibility to call
+* acceptSIOffer: using the sender and offer provided to you.
+*
+* @param sender XMPPIncomingFileTransfer object invoking this delegate method.
+* @param offer IQ stanza containing a Stream Initiation offer.
+*/
+- (void)xmppIncomingFileTransfer:(XMPPIncomingFileTransfer *)sender
+               didReceiveSIOffer:(XMPPIQ *)offer;
+
+/**
+* Implement this method to receive notifications of a successful incoming file
+* transfer. It will only be invoked if all of the data is received
+* successfully.
+*
+* @param sender XMPPIncomingFileTransfer object invoking this delegate method.
+* @param data NSData for you to handle (probably save this or display it).
+* @param named Name of the file you just received.
+*/
+- (void)xmppIncomingFileTransfer:(XMPPIncomingFileTransfer *)sender
+              didSucceedWithData:(NSData *)data
+                           named:(NSString *)name;
+
+@end
diff --git a/Extensions/FileTransfer/XMPPIncomingFileTransfer.m b/Extensions/FileTransfer/XMPPIncomingFileTransfer.m
new file mode 100644
index 0000000..eabc9a4
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPIncomingFileTransfer.m
@@ -0,0 +1,960 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#if !__has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#import "XMPPIncomingFileTransfer.h"
+#import "XMPPConstants.h"
+#import "XMPPLogging.h"
+#import "idn-int.h"
+#import "NSNumber+XMPP.h"
+#import "NSData+XMPP.h"
+
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // XMPP_LOG_LEVEL_VERBOSE | XMPP_LOG_FLAG_TRACE;
+#else
+    static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+/**
+* Tags for _asyncSocket handling.
+*/
+#define SOCKS_TAG_WRITE_METHOD 101
+#define SOCKS_TAG_READ_METHOD 102
+#define SOCKS_TAG_WRITE_CONNECT 103
+#define SOCKS_TAG_READ_REPLY 104
+#define SOCKS_TAG_READ_ADDRESS 105
+#define SOCKS_TAG_READ_DATA 106
+
+#define TIMEOUT_WRITE -1
+#define TIMEOUT_READ 5.0
+
+// XMPP Incoming File Transfer State
+typedef NS_ENUM(int, XMPPIFTState) {
+  XMPPIFTStateNone,
+  XMPPIFTStateWaitingForSIOffer,
+  XMPPIFTStateWaitingForStreamhosts,
+  XMPPIFTStateConnectingToStreamhosts,
+  XMPPIFTStateConnected,
+  XMPPIFTStateWaitingForIBBOpen,
+  XMPPIFTStateWaitingForIBBData
+};
+
+NSString *const XMPPIncomingFileTransferErrorDomain = @"XMPPIncomingFileTransferErrorDomain";
+
+@interface XMPPIncomingFileTransfer () {
+  XMPPIFTState _transferState;
+
+  XMPPJID *_senderJID;
+
+  NSString *_streamhostsQueryId;
+  NSString *_streamhostUsed;
+
+  NSMutableData *_receivedData;
+  NSString *_receivedFileName;
+  NSUInteger _totalDataSize;
+  NSUInteger _receivedDataSize;
+
+  dispatch_source_t _ibbTimer;
+}
+
+@end
+
+@implementation XMPPIncomingFileTransfer
+
+
+#pragma mark - Lifecycle
+
+- (instancetype)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+  self = [super initWithDispatchQueue:queue];
+  if (self) {
+    _transferState = XMPPIFTStateNone;
+  }
+  return self;
+}
+
+/**
+* Standard deconstructor.
+*/
+- (void)dealloc
+{
+  XMPPLogTrace();
+
+  if (_transferState != XMPPIFTStateNone) {
+    XMPPLogWarn(@"%@: Deallocating prior to completion or cancellation.", THIS_FILE);
+  }
+
+  if (_ibbTimer)
+    dispatch_source_cancel(_ibbTimer);
+#if !OS_OBJECT_USE_OBJC
+  dispatch_release(_ibbTimer);
+  #endif
+  _ibbTimer = NULL;
+
+  if (_asyncSocket.delegate == self) {
+    [_asyncSocket setDelegate:nil delegateQueue:NULL];
+    [_asyncSocket disconnect];
+  }
+}
+
+
+#pragma mark - Public Methods
+
+/**
+* Public facing method for accepting a SI offer. If autoAcceptFileTransfers is
+* set to YES, this method will do nothing, since the internal method is invoked
+* automatically.
+*
+* @see sendSIOfferAcceptance:
+*/
+- (void)acceptSIOffer:(XMPPIQ *)offer
+{
+  XMPPLogTrace();
+
+  if (!_autoAcceptFileTransfers) {
+    [self sendSIOfferAcceptance:offer];
+  }
+}
+
+
+#pragma mark - Private Methods
+
+/**
+* This method will send the device's identity in response to a `disco#info`
+* query. In our case, we will send something close the following:
+*
+* <iq type="result"
+*     id="purplea2da8fc9"
+*     from="mephisto@sanctuary.org/kurast"
+*     to="baal@sanctuary.org/worldstonechamber">
+*   <query xmlns="http://jabber.org/protocol/disco#info">
+*     <identity category="client" type="phone"/>
+*       <feature var="http://jabber.org/protocol/si"/>
+*       <feature var="http://jabber.org/protocol/si/profile/file-transfer"/>
+*       <feature var="http://jabber.org/protocol/bytestreams"/>
+*       <feature var="http://jabber.org/protocol/ibb"/>
+*   </query>
+* </iq>
+*
+* This tells the requester who they're dealing with and which transfer types
+* we support. If there's a better way than hard-coding these values, I'm open
+* to suggestions.
+*/
+- (void)sendIdentity:(XMPPIQ *)request
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"result"
+                                     to:request.from
+                              elementID:request.elementID];
+        [iq addAttributeWithName:@"from" stringValue:xmppStream.myJID.full];
+
+        NSXMLElement
+            *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPDiscoInfoNamespace];
+
+        NSXMLElement *identity = [NSXMLElement elementWithName:@"identity"];
+        [identity addAttributeWithName:@"category" stringValue:@"client"];
+        [identity addAttributeWithName:@"type" stringValue:@"ios-osx"];
+        [query addChild:identity];
+
+        NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+        [feature addAttributeWithName:@"var" stringValue:XMPPSINamespace];
+        [query addChild:feature];
+
+        NSXMLElement *feature1 = [NSXMLElement elementWithName:@"feature"];
+        [feature1 addAttributeWithName:@"var" stringValue:XMPPSIProfileFileTransferNamespace];
+        [query addChild:feature1];
+
+        if (!self.disableSOCKS5) {
+          NSXMLElement *feature2 = [NSXMLElement elementWithName:@"feature"];
+          [feature2 addAttributeWithName:@"var" stringValue:XMPPBytestreamsNamespace];
+          [query addChild:feature2];
+        }
+
+        if (!self.disableIBB) {
+          NSXMLElement *feature3 = [NSXMLElement elementWithName:@"feature"];
+          [feature3 addAttributeWithName:@"var" stringValue:XMPPIBBNamespace];
+          [query addChild:feature3];
+        }
+
+        [iq addChild:query];
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method will send an IQ stanza accepting the SI offer. We need to choose
+* which 'stream-method' we prefer to use. For now, we will be using IBB as the
+* 'stream-method', but SOCKS5 is preferable.
+*
+* Take a look at XEP-0096 Examples 2 and 4 for more details.
+*/
+- (void)sendSIOfferAcceptance:(XMPPIQ *)offer
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // Store the sender's JID
+        _senderJID = offer.from;
+
+        // Store the sid for later use
+        NSXMLElement *inSi = offer.childElement;
+        self.sid = [inSi attributeStringValueForName:@"id"];
+
+        // Store the size of the incoming data for later use
+        NSXMLElement *inFile = [inSi elementForName:@"file"];
+        _totalDataSize = [inFile attributeUnsignedIntegerValueForName:@"size"];
+
+        // Store the name of the file for later use
+        _receivedFileName = [inFile attributeStringValueForName:@"name"];
+
+        // Outgoing
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"result"
+                                     to:offer.from
+                              elementID:offer.elementID];
+
+
+        NSXMLElement *si = [NSXMLElement elementWithName:@"si" xmlns:XMPPSINamespace];
+
+        NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"
+                                                        xmlns:XMPPFeatureNegNamespace];
+
+        NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:@"jabber:x:data"];
+        [x addAttributeWithName:@"type" stringValue:@"submit"];
+
+        NSXMLElement *field = [NSXMLElement elementWithName:@"field"];
+        [field addAttributeWithName:@"var" stringValue:@"stream-method"];
+
+        NSXMLElement *value = [NSXMLElement elementWithName:@"value"];
+
+        // Prefer SOCKS5 if it's not disabled.
+        if (!self.disableSOCKS5) {
+          [value setStringValue:XMPPBytestreamsNamespace];
+          _transferState = XMPPIFTStateWaitingForStreamhosts;
+        } else {
+          [value setStringValue:XMPPIBBNamespace];
+          _transferState = XMPPIFTStateWaitingForIBBOpen;
+        }
+
+        [field addChild:value];
+        [x addChild:field];
+        [feature addChild:x];
+        [si addChild:feature];
+        [iq addChild:si];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+
+#pragma mark - IBB Methods
+
+/**
+* This method will send an IQ stanza accepting the IBB request. See XEP-0047
+* Example 2 for more details.
+*/
+- (void)sendIBBAcceptance:(XMPPIQ *)request
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"result"
+                                     to:request.from
+                              elementID:request.elementID];
+        [xmppStream sendElement:iq];
+
+        // Prepare to receive data
+        _receivedData = [NSMutableData new];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method is responsible for reading the incoming data from the IQ stanza
+* and writing it to the member variable '_receivedData'. After successfully
+* reading the data, a response (XEP-0047 Example 7) will be sent back to the
+* sender.
+*/
+- (void)processReceivedIBBDataIQ:(XMPPIQ *)received
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // Handle the scenario that the transfer is cancelled.
+        [self resetIBBTimer:20];
+
+        // Handle incoming data
+        NSXMLElement *dataElem = received.childElement;
+        NSData
+            *temp = [[NSData alloc] initWithBase64EncodedString:dataElem.stringValue options:0];
+        [_receivedData appendData:temp];
+
+        // According the base64 encoding, it takes up 4/3 n bytes of space, so
+        // we need to find the size of the data before base64.
+        _receivedDataSize += (3 * dataElem.stringValue.length) / 4;
+
+        XMPPLogVerbose(@"Downloaded %lu/%lu bytes in IBB transfer.",
+                       (unsigned long) _receivedDataSize, (unsigned long) _totalDataSize);
+
+        if (_receivedDataSize < _totalDataSize) {
+          // Send ack response
+          XMPPIQ *iq = [XMPPIQ iqWithType:@"result"
+                                       to:received.from
+                                elementID:received.elementID];
+          [xmppStream sendElement:iq];
+        } else {
+          // We're finished!
+          XMPPLogInfo(@"Finished downloading IBB data.");
+          [self transferSuccess];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+
+#pragma mark - Util Methods
+
+/**
+* This method determines whether or not the IQ stanza is a `disco#info`
+* request. Should be in the following form:
+*
+* <iq xmlns="jabber:client"
+*     from="baal@sanctuary.org/worldstonechamber"
+*     to="mephisto@sanctuary.org/kurast"
+*     type="get"
+*     id="purplea2da8fc9">
+*   <query xmlns="http://jabber.org/protocol/disco#info"/>
+* </iq>
+*/
+- (BOOL)isDiscoInfoIQ:(XMPPIQ *)iq
+{
+  if (!iq) return NO;
+  NSXMLElement *query = iq.childElement;
+  return query != nil && [query.xmlns isEqualToString:XMPPDiscoInfoNamespace];
+}
+
+/**
+* This method determines whether or not the the IQ stanza is a Stream
+* Initiation Offer (XEP-0096 Examples 1 and 3).
+*/
+- (BOOL)isSIOfferIQ:(XMPPIQ *)iq
+{
+  if (!iq) return NO;
+  if (![iq.type isEqualToString:@"set"]) return NO;
+
+  NSXMLElement *si = iq.childElement;
+  if (!si || ![si.xmlns isEqualToString:XMPPSINamespace]) return NO;
+
+  NSXMLElement *file = (DDXMLElement *) [si childAtIndex:0];
+  if (!file || ![file.xmlns isEqualToString:XMPPSIProfileFileTransferNamespace]) return NO;
+
+  NSXMLElement *feature = (DDXMLElement *) [si childAtIndex:1];
+  return !(!feature || ![feature.xmlns isEqualToString:XMPPFeatureNegNamespace]);
+
+  // Maybe there should be further verification, but I think this should be
+  // plenty...
+}
+
+/**
+* This method determines whether or not the IQ stanza is an IBB session request
+* (XEP-0047 Example 1).
+*/
+- (BOOL)isIBBOpenRequestIQ:(XMPPIQ *)iq
+{
+  if (!iq) return NO;
+  if (![iq.type isEqualToString:@"set"]) return NO;
+
+  NSXMLElement *open = iq.childElement;
+  return !(!open || ![open.xmlns isEqualToString:XMPPIBBNamespace]);
+}
+
+/**
+* This method determines whether or not the IQ stanza is an IBB data stanza
+* (XEP-0047 Example 6).
+*/
+- (BOOL)isIBBDataIQ:(XMPPIQ *)iq
+{
+  if (!iq) return NO;
+  if (![iq.type isEqualToString:@"set"]) return NO;
+
+  NSXMLElement *data = iq.childElement;
+  return !(!data || ![data.xmlns isEqualToString:XMPPIBBNamespace]);
+}
+
+/**
+* This method determines whether or not the IQ stanza contains a list of
+* streamhosts as shown in XEP-0065 Example 12.
+*/
+- (BOOL)isStreamhostsListIQ:(XMPPIQ *)iq
+{
+  if (!iq) return NO;
+  if (![iq.type isEqualToString:@"set"]) return NO;
+
+  NSXMLElement *query = iq.childElement;
+  if (!query || ![[query attributeStringValueForName:@"sid"] isEqualToString:self.sid]) return NO;
+
+  return [query elementsForName:@"streamhost"].count > 0;
+}
+
+/**
+* This method returns the SHA1 hash as per XEP-0065.
+*
+* The [address] MUST be SHA1(SID + Initiator JID + Target JID) and the output
+* is hexadecimal encoded (not binary).
+*
+* Because this is an incoming file transfer, we are always the target.
+*/
+- (NSData *)sha1Hash
+{
+  NSString *hashMe =
+      [NSString stringWithFormat:@"%@%@%@", self.sid, _senderJID.full, xmppStream.myJID.full];
+  NSData *hashRaw = [[hashMe dataUsingEncoding:NSUTF8StringEncoding] xmpp_sha1Digest];
+  NSData *hash = [[hashRaw xmpp_hexStringValue] dataUsingEncoding:NSUTF8StringEncoding];
+
+  XMPPLogVerbose(@"%@: hashMe : %@", THIS_FILE, hashMe);
+  XMPPLogVerbose(@"%@: hashRaw: %@", THIS_FILE, hashRaw);
+  XMPPLogVerbose(@"%@: hash   : %@", THIS_FILE, hash);
+
+  return hash;
+}
+
+/**
+* This method is called to clean up everything when the transfer fails.
+*/
+- (void)failWithReason:(NSString *)causeOfFailure
+                 error:
+                     (NSError *)error
+{
+  XMPPLogTrace();
+  XMPPLogInfo(@"Incoming file transfer failed because: %@", causeOfFailure);
+
+  if (!error && causeOfFailure) {
+    NSDictionary *errInfo = @{NSLocalizedDescriptionKey : causeOfFailure};
+    error = [NSError errorWithDomain:XMPPIncomingFileTransferErrorDomain
+                                code:-1
+                            userInfo:errInfo];
+  }
+
+  _transferState = XMPPIFTStateNone;
+  [multicastDelegate xmppIncomingFileTransfer:self didFailWithError:error];
+}
+
+/**
+* This method is called when the transfer is successfully completed. It
+* handles resetting variables for another transfer and alerts the delegate of
+* the transfer completion.
+*/
+- (void)transferSuccess
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        [self cancelIBBTimer];
+
+        [multicastDelegate xmppIncomingFileTransfer:self
+                                 didSucceedWithData:_receivedData
+                                              named:_receivedFileName];
+        [self cleanUp];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method is used to reset the system for receiving new files.
+*/
+- (void)cleanUp
+{
+  XMPPLogTrace();
+
+  if (_asyncSocket) {
+    [_asyncSocket setDelegate:nil];
+    [_asyncSocket disconnect];
+    _asyncSocket = nil;
+  }
+
+  _streamMethods &= 0;
+  _transferState = XMPPIFTStateNone;
+  _senderJID = nil;
+  _streamhostsQueryId = nil;
+  _streamhostUsed = nil;
+  _receivedData = nil;
+  _receivedFileName = nil;
+  _totalDataSize = 0;
+  _receivedDataSize = 0;
+}
+
+
+#pragma mark - Timeouts
+
+/**
+* Resets the IBB timer that will cause the transfer to formally fail if an IBB
+* data IQ stanza isn't received within the timeout.
+*/
+- (void)resetIBBTimer:(NSTimeInterval)timeout
+{
+  NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue.");
+
+  if (_ibbTimer == NULL) {
+    _ibbTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+
+    dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, timeout * NSEC_PER_SEC);
+
+    dispatch_source_set_timer(_ibbTimer, tt, DISPATCH_TIME_FOREVER, 1);
+    dispatch_resume(_ibbTimer);
+  } else {
+    dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, timeout * NSEC_PER_SEC);
+    dispatch_source_set_timer(_ibbTimer, tt, DISPATCH_TIME_FOREVER, 1);
+  }
+
+  dispatch_source_set_event_handler(_ibbTimer, ^{
+      @autoreleasepool {
+        NSString *errMsg = @"The IBB transfer timed out. It's likely that the sender canceled the"
+            @" transfer or has gone offline.";
+        [self failWithReason:errMsg error:nil];
+      }
+  });
+}
+
+- (void)cancelIBBTimer
+{
+  NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue.");
+
+  if (_ibbTimer) {
+    dispatch_source_cancel(_ibbTimer);
+#if !OS_OBJECT_USE_OBJC
+    dispatch_release(_ibbTimer);
+    #endif
+    _ibbTimer = NULL;
+  }
+}
+
+
+#pragma mark - XMPPStreamDelegate
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+  if (_transferState == XMPPIFTStateNone && [self isDiscoInfoIQ:iq]) {
+    [self sendIdentity:iq];
+    _transferState = XMPPIFTStateWaitingForSIOffer;
+    return YES;
+  }
+
+  if ((_transferState == XMPPIFTStateNone || _transferState == XMPPIFTStateWaitingForSIOffer)
+      && [self isSIOfferIQ:iq]) {
+    // Alert the delegate that we've received a stream initiation offer
+    [multicastDelegate xmppIncomingFileTransfer:self didReceiveSIOffer:iq];
+
+    if (_autoAcceptFileTransfers) {
+      [self sendSIOfferAcceptance:iq];
+    }
+
+    return YES;
+  }
+
+  if (_transferState == XMPPIFTStateWaitingForStreamhosts && [self isStreamhostsListIQ:iq]) {
+    [self attemptStreamhostsConnection:iq];
+    return YES;
+  }
+
+  if (_transferState == XMPPIFTStateWaitingForIBBOpen && [self isIBBOpenRequestIQ:iq]) {
+    [self sendIBBAcceptance:iq];
+    _transferState = XMPPIFTStateWaitingForIBBData;
+
+    // Handle the scenario that the transfer is cancelled.
+    [self resetIBBTimer:20];
+    return YES;
+  }
+
+  if (_transferState == XMPPIFTStateWaitingForIBBData && [self isIBBDataIQ:iq]) {
+    [self processReceivedIBBDataIQ:iq];
+  }
+
+  return iq != nil;
+}
+
+
+#pragma mark - GCDAsyncSocketDelegate
+
+- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
+{
+  XMPPLogVerbose(@"%@: didConnectToHost:%@ port:%d", THIS_FILE, host, port);
+
+  [self socks5WriteMethod];
+  _transferState = XMPPIFTStateConnected;
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
+{
+  XMPPLogVerbose(@"%@: didReadData:%@ withTag:%ld", THIS_FILE, data, tag);
+
+  switch (tag) {
+    case SOCKS_TAG_READ_METHOD:
+      [self socks5ReadMethod:data];
+      break;
+    case SOCKS_TAG_READ_REPLY:
+      [self socks5ReadReply:data];
+    case SOCKS_TAG_READ_ADDRESS:
+      [_asyncSocket readDataToLength:_totalDataSize
+                         withTimeout:TIMEOUT_READ
+                                 tag:SOCKS_TAG_READ_DATA];
+      break;
+    case SOCKS_TAG_READ_DATA:
+      // Success!
+      _receivedData = [data mutableCopy];
+      [self transferSuccess];
+    default:
+      break;
+  }
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didWriteDataWithTag:(long)tag
+{
+  XMPPLogVerbose(@"%@: didWriteDataWithTag:%ld", THIS_FILE, tag);
+
+  switch (tag) {
+    case SOCKS_TAG_WRITE_METHOD:
+      [_asyncSocket readDataToLength:2 withTimeout:TIMEOUT_READ tag:SOCKS_TAG_READ_METHOD];
+      break;
+    case SOCKS_TAG_WRITE_CONNECT:
+      [_asyncSocket readDataToLength:5 withTimeout:TIMEOUT_READ
+                                 tag:SOCKS_TAG_READ_REPLY];
+    default:
+      break;
+  }
+}
+
+- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
+{
+  XMPPLogTrace();
+
+  if (_transferState == XMPPIFTStateConnected) {
+    [self failWithReason:@"Socket disconnected before transfer complete." error:nil];
+  }
+}
+
+
+#pragma mark - SOCKS5
+
+/**
+* This method attempts a connection to each of the streamhosts provided until
+* either a connection is established or there are no more streamhosts. In the
+* latter case, an error stanza is sent to the sender.
+*
+* @see socket:didConnectToHost:port:
+*/
+- (void)attemptStreamhostsConnection:(XMPPIQ *)iq
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        _streamhostsQueryId = iq.elementID;
+        _transferState = XMPPIFTStateConnectingToStreamhosts;
+        _asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:moduleQueue];
+
+        // Since we've already validated our IQ stanza, we can just pull the data
+        NSArray *streamhosts = [iq.childElement elementsForName:@"streamhost"];
+
+        for (NSXMLElement *streamhost in streamhosts) {
+          NSString *host = [streamhost attributeStringValueForName:@"host"];
+          uint16_t port = (gl_uint16_t) [streamhost attributeUInt32ValueForName:@"port"];
+
+          NSError *err;
+          if (![_asyncSocket connectToHost:host onPort:port error:&err]) {
+            XMPPLogVerbose(@"%@: Unable to host:%@ port:%d error:%@", THIS_FILE, host, port, err);
+            continue;
+          }
+
+          // If we make it this far, we've successfully connected to one of the hosts.
+          _streamhostUsed = [streamhost attributeStringValueForName:@"jid"];
+
+          return;
+        }
+
+        // If we reach this, we weren't able to connect to any of the streamhosts.
+        // We'll send an error to the sender to let them know, and then we'll alert
+        // the delegate of the failure.
+        //
+        // XEP-0065 Example 13.
+        //
+        //  <iq from='mephisto@sanctuary.org/kurast'
+        //      id='hu3vax16'
+        //      to='baal@sanctuary.org/worldstonechamber'
+        //      type='error'>
+        //    <error type='modify'>
+        //      <not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+        //    </error>
+        //  </iq>
+
+        XMPPIQ *errorIq = [XMPPIQ iqWithType:@"error" to:iq.from elementID:iq.elementID];
+
+        NSXMLElement *errorElem = [NSXMLElement elementWithName:@"error"];
+        [errorElem addAttributeWithName:@"type" stringValue:@"modify"];
+
+        NSXMLElement *notAcceptable = [NSXMLElement elementWithName:@"not-acceptable"
+                                                              xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
+        [errorElem addChild:notAcceptable];
+        [errorIq addChild:errorElem];
+
+        [xmppStream sendElement:errorIq];
+
+        NSString *errMsg = @"Unable to connect to any of the provided streamhosts.";
+        [self failWithReason:errMsg error:nil];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5WriteMethod
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // We will attempt anonymous authentication with the proxy. The request is
+        // the same that we would read if this were a direct connection. The only
+        // difference is this time we initiate the request as a client rather than
+        // being a the 'server.'
+        //
+        //                 +----+----------+----------+
+        //                 |VER | NMETHODS | METHODS  |
+        //                 +----+----------+----------+
+        //                 | 1  |    1     | 1 to 255 |
+        //                 +----+----------+----------+
+        //
+        // We're sending:
+        //
+        // VER      = 5 (SOCKS5)
+        // NMETHODS = 1 (number of methods)
+        // METHODS  = 0 (no authentication)
+
+        void *byteBuf = malloc(3);
+
+        UInt8 ver = 5;
+        memcpy(byteBuf, &ver, sizeof(ver));
+
+        UInt8 nmethods = 1;
+        memcpy(byteBuf + 1, &nmethods, sizeof(nmethods));
+
+        UInt8 methods = 0;
+        memcpy(byteBuf + 2, &methods, sizeof(methods));
+
+        NSData *data = [NSData dataWithBytesNoCopy:byteBuf length:3 freeWhenDone:YES];
+        [_asyncSocket writeData:data withTimeout:TIMEOUT_WRITE tag:SOCKS_TAG_WRITE_METHOD];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadMethod:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // We've sent a request to connect with no authentication. This is the
+        // response:
+        //
+        //                    +----+--------+
+        //                    |VER | METHOD |
+        //                    +----+--------+
+        //                    | 1  |   1    |
+        //                    +----+--------+
+        //
+        // We're expecting:
+        //
+        // VER    = 5 (SOCKS5)
+        // METHOD = 0 (no authentication)
+
+        UInt8 version = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 method = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:1];
+
+        if (version != 5 || method) {
+          [self failWithReason:@"Proxy doesn't allow anonymous authentication." error:nil];
+          return;
+        }
+
+        NSData *hash = [self sha1Hash];
+
+        //  The SOCKS request is formed as follows:
+        //
+        //       +----+-----+-------+------+----------+----------+
+        //       |VER | CMD |  RSV  | ATYP | DST.ADDR | DST.PORT |
+        //       +----+-----+-------+------+----------+----------+
+        //       | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //       +----+-----+-------+------+----------+----------+
+        //
+        // We're sending:
+        //
+        // VER      = 5
+        // CMD      = 1 (connect)
+        // RSV      = 0 (reserved; this will always be 0)
+        // ATYP     = 3 (domain name)
+        // DST.ADDR (varies based on ATYP)
+        // DST.PORT = 0 (according to XEP-0065)
+        //
+        // Immediately after ATYP, we need to send the length of our address. Because
+        // SHA1 is always 40 bytes, we simply send this value. After it, we append
+        // the actual hash and then the port.
+
+        void *byteBuf = malloc(5 + 40 + 2);
+
+        UInt8 ver = 5;
+        memcpy(byteBuf, &ver, sizeof(ver));
+
+        UInt8 cmd = 1;
+        memcpy(byteBuf + 1, &cmd, sizeof(cmd));
+
+        UInt8 rsv = 0;
+        memcpy(byteBuf + 2, &rsv, sizeof(rsv));
+
+        UInt8 atyp = 3;
+        memcpy(byteBuf + 3, &atyp, sizeof(atyp));
+
+        UInt8 hashlen = (UInt8) hash.length;
+        memcpy(byteBuf + 4, &hashlen, sizeof(hashlen));
+
+        memcpy(byteBuf + 5, hash.bytes, hashlen);
+
+        UInt8 port = 0;
+        memcpy(byteBuf + 5 + hashlen, &port, sizeof(port));
+        memcpy(byteBuf + 6 + hashlen, &port, sizeof(port));
+
+        NSData *data = [NSData dataWithBytesNoCopy:byteBuf length:47 freeWhenDone:YES];
+        [_asyncSocket writeData:data withTimeout:TIMEOUT_WRITE tag:SOCKS_TAG_WRITE_CONNECT];
+
+        XMPPLogVerbose(@"%@: writing connect request: %@", THIS_FILE, data);
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadReply:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // The server/sender will reply to our connect command with the following:
+        //
+        //          +----+-----+-------+------+----------+----------+
+        //          |VER | REP |  RSV  | ATYP | BND.ADDR | BND.PORT |
+        //          +----+-----+-------+------+----------+----------+
+        //          | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //          +----+-----+-------+------+----------+----------+
+        //
+        // VER = 5 (SOCKS5)
+        // REP = 0 (Success)
+        // RSV = 0
+        // ATYP = 3 (Domain) - NOTE: Since we're using ATYP = 3, we must check the
+        //                           length of the server's host in the next byte.
+
+        UInt8 ver = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 rep = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:1];
+        UInt8 atyp = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:3];
+        UInt8 hostlen = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:4];
+
+        if (ver != 5 || rep || atyp != 3) {
+          [self failWithReason:@"Invalid VER, REP, or ATYP." error:nil];
+          return;
+        }
+
+        // According to XEP-0065 Example 23, we don't need to validate the
+        // address we were sent (at least that is how I interpret it), so we
+        // just read the next 42 bytes (hostlen + portlen) so there's no
+        // conflict when reading the data and then send <streamhost-used/> to
+        // the file transfer initiator. Note that the sid must be included.
+        //
+        // XEP-0065 Example 17:
+        //
+        //  <iq from='mephisto@sanctuary.org/kurast'
+        //      id='hu3vax16'
+        //      to='baal@sanctuary.org/worldstonechamber'
+        //      type='result'>
+        //    <query xmlns='http://jabber.org/protocol/bytestreams'
+        //           sid='vxf9n471bn46'>
+        //      <streamhost-used jid='baal@sanctuary.org/worldstonechamber'/>
+        //    </query>
+        //  </iq>
+
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"result" to:_senderJID elementID:_streamhostsQueryId];
+
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPBytestreamsNamespace];
+        [query addAttributeWithName:@"sid" stringValue:self.sid];
+
+        NSXMLElement *streamhostUsed = [NSXMLElement elementWithName:@"streamhost-used"];
+        [streamhostUsed addAttributeWithName:@"jid"
+                                 stringValue:_streamhostUsed];
+
+        [query addChild:streamhostUsed];
+        [iq addChild:query];
+
+        [xmppStream sendElement:iq];
+
+        // We're basically piping these to dev/null because we don't care.
+        // However, we need to tag this read so we can start to read the actual
+        // data once this read is finished.
+        [_asyncSocket readDataToLength:hostlen + 2
+                           withTimeout:TIMEOUT_READ
+                                   tag:SOCKS_TAG_READ_ADDRESS];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+@end
diff --git a/Extensions/FileTransfer/XMPPOutgoingFileTransfer.h b/Extensions/FileTransfer/XMPPOutgoingFileTransfer.h
new file mode 100644
index 0000000..affddff
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPOutgoingFileTransfer.h
@@ -0,0 +1,140 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPFileTransfer.h"
+
+@interface XMPPOutgoingFileTransfer : XMPPFileTransfer
+
+/**
+* (Required)
+*
+* The data being sent to the recipient.
+*
+* If you're using startFileTransfer:, you *MUST* set this prior to calling
+* startFileTransfer:.
+*/
+@property (nonatomic, strong) NSData *outgoingData;
+
+/**
+* (Required)
+*
+* The recipient of your file transfer.
+*
+* If you're using startFileTransfer:, you *MUST* set this prior to calling
+* startFileTransfer:.
+*/
+@property (nonatomic, strong) XMPPJID *recipientJID;
+
+/**
+* (Optional)
+*
+* The name of the file you're sending.
+*
+* If you don't provide a filename, one will be generated for you.
+*/
+@property (nonatomic, copy) NSString *outgoingFileName;
+
+/**
+* (Optional)
+*
+* The description of the file you're sending.
+*/
+@property (nonatomic, copy) NSString *outgoingFileDescription;
+
+/**
+* (Optional)
+*
+* Specifies whether or not a random name should be generated instead of the
+* filename provided. The randomly generated name will retain the same file
+* extension as the original name if one was provided
+*
+* The default is NO; set to YES to generate a random name.
+*/
+@property (nonatomic, assign) BOOL shouldGenerateRandomName;
+
+/**
+* (Optional)
+*
+* Specifies the default block-size when using IBB file transfers. The default
+* value is 4096 (Bytes). If the file recipient requests a smaller block-size,
+* it will be halved.
+*/
+@property (nonatomic, assign) int32_t blockSize;
+
+
+#pragma mark - Public Methods
+
+/**
+* Starts the file transfer. This assumes that at a minimum a recipientJID and
+* outgoingData have already been provided.
+*
+* @param errPtr The address of an error which will be contain a description of
+*               the problem if there is one (optional).
+*
+* @return Returns NO if there is something blatantly wrong (not authorized, no
+*         recipientJID, no outgoingData); YES otherwise.
+*/
+- (BOOL)startFileTransfer:(NSError **)errPtr;
+
+/**
+* Sends the provided data to the provided recipient. Use of this method is not
+* recommended, as there is no error handling, but you're free to make your own
+* choices.
+*/
+- (BOOL)sendData:(NSData *)data toRecipient:(XMPPJID *)recipient;
+
+/**
+* Sends the provided data to the provided recipient. Pass nil for params you
+* don't care about.
+*
+* @param data The data you wish to send (required).
+* @param name The filename of the file you're sending (optional).
+* @param recipient The recipient of your file transfer (required). Note that a
+*                  resource must also be included in the JID.
+* @param description The description of the file you're sending (optional).
+* @param errPtr The address of an error which will contain a description of the
+*               problem if there is one (optional).
+*/
+- (BOOL)sendData:(NSData *)data
+           named:(NSString *)name
+     toRecipient:(XMPPJID *)recipient
+     description:(NSString *)description
+           error:(NSError **)errPtr;
+
+@end
+
+
+#pragma mark - XMPPOutgoingFileTransferDelegate
+
+@protocol XMPPOutgoingFileTransferDelegate
+@optional
+
+/**
+* Implement this method when calling startFileTransfer: or sendData:(variants).
+* It will be invoked if the file transfer fails to execute properly. More
+* information will be given in the error.
+*
+* @param sender XMPPOutgoingFileTransfer object invoking this delegate method.
+* @param error NSError containing more details of the failure.
+*/
+- (void)xmppOutgoingFileTransfer:(XMPPOutgoingFileTransfer *)sender
+                didFailWithError:(NSError *)error;
+
+/**
+* Implement this method when calling startFileTransfer: or sendData:(variants).
+* It will be invoked if the outgoing file transfer was completed successfully.
+*
+* @param sender XMPPOutgoingFileTransfer object invoking this delegate method.
+*/
+- (void)xmppOutgoingFileTransferDidSucceed:(XMPPOutgoingFileTransfer *)sender;
+
+/**
+* Not really sure why you would want this information, but hey, when I get
+* information, I'm happy to share.
+*/
+- (void)xmppOutgoingFileTransferIBBClosed:(XMPPOutgoingFileTransfer *)sender;
+
+@end
diff --git a/Extensions/FileTransfer/XMPPOutgoingFileTransfer.m b/Extensions/FileTransfer/XMPPOutgoingFileTransfer.m
new file mode 100644
index 0000000..b0e0c9a
--- /dev/null
+++ b/Extensions/FileTransfer/XMPPOutgoingFileTransfer.m
@@ -0,0 +1,2188 @@
+//
+// Created by Jonathon Staff on 10/21/14.
+// Copyright (c) 2014 nplexity, LLC. All rights reserved.
+//
+
+#if !__has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#import <ifaddrs.h>
+#import <net/if.h>
+#import <netinet/in.h>
+#import <arpa/inet.h>
+#import "XMPPLogging.h"
+#import "XMPPOutgoingFileTransfer.h"
+#import "XMPPIDTracker.h"
+#import "idn-int.h"
+#import "XMPPConstants.h"
+#import "NSNumber+XMPP.h"
+#import "NSData+XMPP.h"
+
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // XMPP_LOG_LEVEL_VERBOSE | XMPP_LOG_FLAG_TRACE;
+#else
+    static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define IOS_CELLULAR  @"pdp_ip0"
+#define IOS_WIFI      @"en0"
+#define IP_ADDR_IPv4  @"ipv4"
+#define IP_ADDR_IPv6  @"ipv6"
+
+/**
+* Seeing a return statements within an inner block
+* can sometimes be mistaken for a return point of the enclosing method.
+* This makes inline blocks a bit easier to read.
+**/
+#define return_from_block return
+
+/**
+* Tags for _asyncSocket handling.
+*/
+#define SOCKS_TAG_READ_METHOD 101
+#define SOCKS_TAG_WRITE_METHOD 102
+#define SOCKS_TAG_READ_REQUEST 103
+#define SOCKS_TAG_READ_DOMAIN 104
+#define SOCKS_TAG_WRITE_REPLY 105
+#define SOCKS_TAG_WRITE_DATA 106
+#define SOCKS_TAG_WRITE_PROXY_METHOD 107
+#define SOCKS_TAG_READ_PROXY_METHOD 108
+#define SOCKS_TAG_WRITE_PROXY_CONNECT 109
+#define SOCKS_TAG_READ_PROXY_REPLY 110
+
+#define TIMEOUT_WRITE -1
+#define TIMEOUT_READ 5.0
+
+/**
+* Set the default timeout for requests to be 60 seconds.
+*/
+#define OUTGOING_DEFAULT_TIMEOUT 60
+
+// XMPP Outgoing File Transfer State
+typedef NS_ENUM(int, XMPPOFTState) {
+  XMPPOFTStateNone,
+  XMPPOFTStateStarted,
+  XMPPOFTStateSOCKSLive,
+  XMPPOFTStateConnectingToProxy,
+  XMPPOFTStateFinished
+};
+
+NSString *const XMPPOutgoingFileTransferErrorDomain = @"XMPPOutgoingFileTransferErrorDomain";
+
+@interface XMPPOutgoingFileTransfer () {
+  dispatch_queue_t _outgoingQueue;
+  void *_outgoingQueueTag;
+
+  NSString *_localIPAddress;
+  uint16_t _localPort;
+
+  GCDAsyncSocket *_outgoingSocket;
+
+  int32_t _outgoingDataBlockSeq;
+  NSUInteger _sentDataSize;
+  NSUInteger _totalDataSize;
+  NSString *_outgoingDataBase64;
+
+  XMPPOFTState _transferState;
+
+  XMPPJID *_proxyJID;
+
+  NSMutableDictionary *_pastRecipients;
+}
+
+@end
+
+@implementation XMPPOutgoingFileTransfer
+
+
+- (instancetype)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+  self = [super initWithDispatchQueue:queue];
+  if (self) {
+    // Create separate dispatch queue.
+    _outgoingQueue = dispatch_queue_create("XMPPOutgoingFileTransfer", NULL);
+    _outgoingQueueTag = &_outgoingQueueTag;
+    dispatch_queue_set_specific(_outgoingQueue, _outgoingQueueTag, _outgoingQueueTag, NULL);
+
+    // define the default block-size in case we use IBB
+    _blockSize = 4096;
+
+    _transferState = XMPPOFTStateNone;
+    _pastRecipients = [NSMutableDictionary new];
+  }
+  return self;
+}
+
+
+#pragma mark - XMPPModule Methods
+
+- (void)didActivate
+{
+  XMPPLogTrace();
+
+  _idTracker = [[XMPPIDTracker alloc] initWithStream:xmppStream dispatchQueue:moduleQueue];
+}
+
+- (void)willDeactivate
+{
+  XMPPLogTrace();
+
+  [_idTracker removeAllIDs];
+  _idTracker = nil;
+}
+
+#pragma mark - Public Methods
+
+- (BOOL)startFileTransfer:(NSError **)errPtr
+{
+  XMPPLogTrace();
+
+  if (!xmppStream.isConnected) {
+    if (errPtr) {
+      NSString *errMsg = @"You must be connected to send a file";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  if (!_outgoingData) {
+    if (errPtr) {
+      NSString *errMsg = @"You must provide data to be sent.";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  if (!_recipientJID || ![_recipientJID isFull]) {
+    if (errPtr) {
+      NSString *errMsg = @"You must provide a recipient (including a resource).";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  if (self.disableSOCKS5 && self.disableIBB) {
+    if (errPtr) {
+      NSString *errMsg = @"Both SOCKS5 and IBB transfers are disabled.";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  if (_transferState != XMPPOFTStateNone) {
+    if (errPtr) {
+      NSString *errMsg = @"Transfer already in progress.";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        _transferState = XMPPOFTStateStarted;
+
+        if (_pastRecipients[_recipientJID.full]) {
+          uint8_t methods = (gl_uint8_t) [_pastRecipients[_recipientJID.full] unsignedIntValue];
+
+          if (methods & XMPPFileTransferStreamMethodBytestreams) {
+            _streamMethods |= XMPPFileTransferStreamMethodBytestreams;
+          }
+
+          if (methods & XMPPFileTransferStreamMethodIBB) {
+            _streamMethods |= XMPPFileTransferStreamMethodIBB;
+          }
+
+          if (_streamMethods) {
+            [self querySIOffer];
+            return_from_block;
+          }
+        }
+
+        [self queryRecipientDiscoInfo];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+
+  return YES;
+}
+
+- (BOOL)sendData:(NSData *)data toRecipient:(XMPPJID *)recipient
+{
+  return _transferState != XMPPOFTStateNone ? NO : [self sendData:data
+                                                            named:nil
+                                                      toRecipient:recipient
+                                                      description:nil
+                                                            error:nil];
+
+}
+
+- (BOOL)sendData:(NSData *)data
+           named:(NSString *)name
+     toRecipient:(XMPPJID *)recipient
+     description:(NSString *)description
+           error:(NSError **)errPtr
+{
+  if (_transferState != XMPPOFTStateNone) {
+    if (errPtr) {
+      NSString *errMsg = @"Transfer already in progress.";
+      *errPtr = [self localErrorWithMessage:errMsg code:-1];
+    }
+
+    return NO;
+  }
+
+  self.outgoingData = data;
+  self.outgoingFileName = name;
+  self.recipientJID = recipient;
+  self.outgoingFileDescription = description;
+
+  return [self startFileTransfer:errPtr];
+}
+
+
+#pragma mark - Private Methods
+
+/**
+* This method sends a `disco#info` query to the recipient. This is done to
+* ensure they support file transfer, SOCKS5, and IBB.
+*
+* The request will look like the following:
+*
+* <iq xmlns="jabber:client"
+*     from="deckardcain@sanctuary.org/tristram"
+*     to="tyrael@sanctuary.org/talrashastomb"
+*     type="get"
+*     id="purplea2da8fc9">
+*   <query xmlns="http://jabber.org/protocol/disco#info"/>
+* </iq>
+*
+* @see handleRecipientDiscoInfoQueryIQ:withInfo:
+*/
+- (void)queryRecipientDiscoInfo
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                     to:_recipientJID
+                              elementID:[xmppStream generateUUID]];
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPDiscoInfoNamespace];
+        [iq addChild:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleRecipientDiscoInfoQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method is responsible for sending the Stream Initiation Offer as
+* described in Examples 1 and 3 of XEP-0096. Both SOCKS5 bytestreams (XEP-0065)
+* and IBB (XEP-0047) are sent as options. The default, per XEP-0096 3.1, is
+* SOCKS5, with IBB as the fallback.
+*
+* The outgoing IQ will be similar to the one below:
+*
+* <iq xmlns="jabber:client"
+*     from="deckardcain@sanctuary.org/tristram"
+*     to="tyrael@sanctuary.org/talrashastomb"
+*     type="set"
+*     id="purplea2da8fca">
+*   <si xmlns="http://jabber.org/protocol/si"
+*       id="purplea2da8fcb"
+*       profile="http://jabber.org/protocol/si/profile/file-transfer">
+*     <file xmlns="http://jabber.org/protocol/si/profile/file-transfer"
+*           name="Baal's Soulstone.jpg"
+*           size="433362">
+*       <desc>We should destroy this, right?</desc>
+*     </file>
+*     <feature xmlns="http://jabber.org/protocol/feature-neg">
+*       <x xmlns="jabber:x:data" type="form">
+*         <field var="stream-method" type="list-single">
+*           <option>
+*             <value>http://jabber.org/protocol/bytestreams</value>
+*           </option>
+*           <option>
+*             <value>http://jabber.org/protocol/ibb</value>
+*           </option>
+*         </field>
+*       </x>
+*     </feature>
+*   </si>
+* </iq>
+*
+* @see handleSIOfferQueryIQ:withInfo:
+*/
+- (void)querySIOffer
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:_recipientJID
+                              elementID:[xmppStream generateUUID]];
+        [iq addAttributeWithName:@"from" stringValue:xmppStream.myJID.full];
+
+        // Store the sid; we'll need this later
+        self.sid = [xmppStream generateUUID];
+
+        NSXMLElement *si = [NSXMLElement elementWithName:@"si" xmlns:XMPPSINamespace];
+        [si addAttributeWithName:@"id" stringValue:self.sid];
+        [si addAttributeWithName:@"profile" stringValue:XMPPSIProfileFileTransferNamespace];
+        [iq addChild:si];
+
+        // Generate a random filename if one isn't provided
+        NSString *fileName;
+        if (_outgoingFileName) {
+
+          // If there is a name provided, but a random one should be created, we'll keep the file ext.
+          if (_shouldGenerateRandomName) {
+            NSString *ext = [[_outgoingFileName componentsSeparatedByString:@"."] lastObject];
+            fileName = [NSString stringWithFormat:@"%@.%@", [xmppStream generateUUID], ext];
+          } else {
+            fileName = _outgoingFileName;
+          }
+        } else {
+          fileName = [xmppStream generateUUID];
+        }
+
+        NSXMLElement *file = [NSXMLElement elementWithName:@"file"
+                                                     xmlns:XMPPSIProfileFileTransferNamespace];
+        [file addAttributeWithName:@"name" stringValue:fileName];
+        [file addAttributeWithName:@"size"
+                       stringValue:[[NSString alloc] initWithFormat:@"%lu",
+                                                                    (unsigned long) [_outgoingData length]]];//TODO
+        [si addChild:file];
+
+        // Only include description if it's provided
+        if (_outgoingFileDescription) {
+          NSXMLElement *desc = [NSXMLElement elementWithName:@"desc"
+                                                 stringValue:_outgoingFileDescription];
+          [file addChild:desc];
+        }
+
+        NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"
+                                                        xmlns:XMPPFeatureNegNamespace];
+        [si addChild:feature];
+
+        NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:@"jabber:x:data"];
+        [x addAttributeWithName:@"type" stringValue:@"form"];
+        [feature addChild:x];
+
+        NSXMLElement *field = [NSXMLElement elementWithName:@"field"];
+        [field addAttributeWithName:@"var" stringValue:@"stream-method"];
+        [field addAttributeWithName:@"type" stringValue:@"list-single"];
+        [x addChild:field];
+
+        // We support SOCKS5
+        if (!self.disableSOCKS5) {
+          NSXMLElement *option = [NSXMLElement elementWithName:@"option"];
+          [field addChild:option];
+          NSXMLElement *value = [NSXMLElement elementWithName:@"value"
+                                                  stringValue:XMPPBytestreamsNamespace];
+          [option addChild:value];
+        }
+
+        // We support IBB
+        if (!self.disableIBB) {
+          NSXMLElement *option2 = [NSXMLElement elementWithName:@"option"];
+          [field addChild:option2];
+          NSXMLElement *value2 = [NSXMLElement elementWithName:@"value"
+                                                   stringValue:XMPPIBBNamespace];
+          [option2 addChild:value2];
+        }
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleSIOfferQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method begins the process of collecting streamhosts to send to the
+* recipient. The first (and preferred) streamhost is the sender's local
+* IP Address and a random local port. If the recipient is able to connect
+* using this streamhost, the bytestream should be directly between clients and
+* not require the use of a proxy.
+*/
+- (void)collectStreamHosts
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        _localIPAddress = [self getIPAddress:YES];
+
+        if (!_localPort) {
+          _localPort = [XMPPOutgoingFileTransfer getRandomPort];
+        }
+
+        _streamhosts = [NSMutableArray new];
+
+        // Don't send direct streamhost details if disabled.
+        if (!self.disableDirectTransfers) {
+          NSXMLElement *streamHost = [NSXMLElement elementWithName:@"streamhost"];
+          [streamHost addAttributeWithName:@"jid" stringValue:xmppStream.myJID.full];
+          [streamHost addAttributeWithName:@"host" stringValue:_localIPAddress];
+          [streamHost addAttributeWithName:@"port" intValue:_localPort];
+          [_streamhosts addObject:streamHost];
+        }
+
+        [self queryProxyDiscoItems];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method queries the server to determine what its services are, hopefully
+* finding that one of them is a proxy. A `disco#items` query is sent to the
+* domain of the file transfer initiator.
+*
+* @see handleProxyDiscoItemsQueryIQ:withInfo:
+*/
+- (void)queryProxyDiscoItems
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSString *toStr = xmppStream.myJID.domain;
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPDiscoItemsNamespace];
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                     to:[XMPPJID jidWithString:toStr]
+                              elementID:[xmppStream generateUUID]
+                                  child:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleProxyDiscoItemsQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method queries a JID directly to determine whether or not it is a proxy
+* service. The provided JID will be in the form `subdomain.domain.com`, likely
+* `proxy.domain.com`. This method will be called for each service found at the
+* initiator's server until a proxy service is found or all services have been
+* exhausted.
+*
+* @see handleProxyDiscoInfoQueryIQ:withInfo:
+*/
+- (void)queryProxyDiscoInfoWithJID:(XMPPJID *)jid
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                     to:jid
+                              elementID:[xmppStream generateUUID]];
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPDiscoInfoNamespace];
+        [iq addChild:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleProxyDiscoInfoQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method queries a JID directly to determine its address and port. It has
+* already been established that the provided JID is indeed a proxy. We merely
+* need to know how to connect.
+*
+* @see handleProxyAddressQueryIQ:withInfo:
+*/
+- (void)queryProxyAddressWithJID:(XMPPJID *)jid
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                     to:jid
+                              elementID:[xmppStream generateUUID]];
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPBytestreamsNamespace];
+        [iq addChild:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleProxyAddressQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method sends the list of streamhosts to the recipient and waits for a
+* connection on one of them.
+*
+* One of these streamhosts will be a local IP address of the sender. If either
+* or both of the parties are behind a Network Address Translation (NAT) device,
+* this will not work (provided that they aren't on the same Local Area Network
+* (LAN). In theory, this means that if both devices are on cellular data, they
+* should be able to establish a direct connection. If one (or both) are on wifi,
+* either a proxy streamhost will have to be used or IBB will have to be used.
+*/
+- (void)sendStreamHostsAndWaitForConnection
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (_streamhosts.count < 1) {
+          NSString *errMsg =
+              [NSString stringWithFormat:@"Unable to send streamhosts to %@", _recipientJID.full];
+          [self failWithReason:errMsg error:nil];
+          return;
+        }
+
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:_recipientJID
+                              elementID:[xmppStream generateUUID]];
+        [iq addAttributeWithName:@"xmlns" stringValue:@"jabber:client"];
+        [iq addAttributeWithName:@"from" stringValue:xmppStream.myJID.full];
+
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:XMPPBytestreamsNamespace];
+        [query addAttributeWithName:@"sid" stringValue:self.sid];
+
+        for (NSXMLElement *streamhost in _streamhosts) {
+          [streamhost detach];
+          [query addChild:streamhost];
+        }
+
+        [iq addChild:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleSentStreamhostsQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        // Send the list of streamhosts to the recipient
+        [xmppStream sendElement:iq];
+
+        // Create a socket to listen for a direct connection
+        if (!_asyncSocket) {
+          _asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self
+                                                    delegateQueue:moduleQueue];
+        }
+
+        NSError *error;
+
+        if (![_asyncSocket acceptOnPort:_localPort error:&error]) {
+          NSString *errMsg = [NSString stringWithFormat:@"Failed to open port %d", _localPort];
+          [self failWithReason:errMsg error:error];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+
+#pragma mark - IBB Transfer
+
+/**
+* This method is responsible for opening a new In-Band Bytestream, as shown in
+* XEP-0047 Example 1. We *MUST* send the same sid inside the <open /> stanza
+* that was used in the SI offer.
+*
+* The outgoing IQ will be similar to the following:
+*
+* <iq from='deckardcain@sanctuary.org/tristram'
+*     id='jn3h8g65'
+*     to='tyrael@sanctuary.org/talrashastomb'
+*     type='set'>
+*   <open xmlns='http://jabber.org/protocol/ibb'
+*         block-size='4096'
+*         sid='i781hf64'
+*         stanza='iq'/>
+* </iq>
+*
+* @see handleInitialIBBQueryIQ:withInfo:
+*/
+- (void)beginIBBTransfer
+{
+
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:_recipientJID
+                              elementID:[xmppStream generateUUID]];
+
+        NSXMLElement *open = [NSXMLElement elementWithName:@"open" xmlns:XMPPIBBNamespace];
+        [open addAttributeWithName:@"block-size" intValue:_blockSize];
+        [open addAttributeWithName:@"sid" stringValue:self.sid];
+        [open addAttributeWithName:@"stanza" stringValue:@"iq"];
+        [iq addChild:open];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleInitialIBBQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+
+        // Convert our data to base64 for the IBB transmission
+        _outgoingDataBase64 = [_outgoingData base64EncodedStringWithOptions:0];
+        _totalDataSize = _outgoingDataBase64.length;
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the response to a query matching Example 1. Initiator
+* requests session (XEP-0047).
+*
+* @see beginIBBTransfer
+*
+* The possible responses are described in Examples 2-5 of XEP-0047.
+*/
+- (void)handleInitialIBBQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for response to IBB intiation.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errType = [errorElem attributeStringValueForName:@"type"];
+
+          // Handle Example 3 and 5
+          if ([errType isEqualToString:@"cancel"]) {
+            NSString *errMsg = [NSString stringWithFormat:@"Error initiating IBB: %@",
+                                                          [errorElem childAtIndex:0].name];
+            [self failWithReason:errMsg error:nil];
+            return_from_block;
+          }
+
+          // Handle Example 4. We'll divide the block-size by 4 and try again.
+          if ([errType isEqualToString:@"modify"]
+              && [[errorElem childAtIndex:0].name isEqualToString:@"resource-constraint"]) {
+            XMPPLogInfo(@"Responder prefers smaller IBB chunks. Shrinking block-size and retrying");
+            _blockSize /= 2;
+            [self beginIBBTransfer];
+            return_from_block;
+          }
+        }
+
+        // Handle Example 2. Responder accepts session
+        if (iq.childCount == 0) {
+          XMPPLogVerbose(@"Responder has accepted IBB session. Begin sending data");
+          [self sendIBBData];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* Sends the data to the recipient via IBB. This method will continue until it
+* has verified that all the data has been sent, it fails, or receives an error
+* from the recipient. It will close the IBB stream upon completion.
+*
+* Example 6. Sending data in an IQ stanza (XEP-0047)
+*
+* <iq from='deckardcain@sanctuary.org/tristram'
+*     id='kr91n475'
+*     to='tyrael@sanctuary.org/talrashastomb'
+*     type='set'>
+*   <data xmlns='http://jabber.org/protocol/ibb' seq='0' sid='i781hf64'>
+*     qANQR1DBwU4DX7jmYZnncmUQB/9KuKBddzQH+tZ1ZywKK0yHKnq57kWq+RFtQdCJ
+*     WpdWpR0uQsuJe7+vh3NWn59/gTc5MDlX8dS9p0ovStmNcyLhxVgmqS8ZKhsblVeu
+*     IpQ0JgavABqibJolc3BKrVtVV1igKiX/N7Pi8RtY1K18toaMDhdEfhBRzO/XB0+P
+*     AQhYlRjNacGcslkhXqNjK5Va4tuOAPy2n1Q8UUrHbUd0g+xJ9Bm0G0LZXyvCWyKH
+*     kuNEHFQiLuCY6Iv0myq6iX6tjuHehZlFSh80b5BVV9tNLwNR5Eqz1klxMhoghJOA
+*   </data>
+* </iq>
+*
+* @see handleIBBTransferQueryIQ:withInfo:
+*/
+- (void)sendIBBData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (_sentDataSize < _totalDataSize) {
+          XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                       to:_recipientJID
+                                elementID:[xmppStream generateUUID]];
+          NSXMLElement *data = [NSXMLElement elementWithName:@"data" xmlns:XMPPIBBNamespace];
+          [data addAttributeWithName:@"sid" stringValue:self.sid];
+          [data addAttributeWithName:@"seq" intValue:_outgoingDataBlockSeq++];
+
+          // Get the base64 data for our block
+          NSUInteger length = _sentDataSize + _blockSize > _totalDataSize ?
+              _totalDataSize - _sentDataSize : _blockSize;
+          NSRange range = NSMakeRange(_sentDataSize, length);
+
+          NSString *dataString = [_outgoingDataBase64 substringWithRange:range];
+          XMPPLogVerbose(@"Uploading %lu/%lu bytes in IBB transfer.", (unsigned long) _sentDataSize,
+                         (unsigned long) _totalDataSize);
+
+          [data setStringValue:dataString];
+          [iq addChild:data];
+
+          [_idTracker addElement:iq
+                          target:self
+                        selector:@selector(handleIBBTransferQueryIQ:withInfo:)
+                         timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+          [xmppStream sendElement:iq];
+        } else {
+          XMPPLogInfo(@"IBB file transfer complete. Closing stream...");
+
+          // All the data has been sent. Alert the delegate that the transfer
+          // was successful and close the stream.
+          [multicastDelegate xmppOutgoingFileTransferDidSucceed:self];
+          [self closeIBB];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* Handles the response from the data recipient during an IBB file transfer. The
+* recipient should be sending back a childless result IQ confirming that they
+* received the data we sent. We will wait until receiving this IQ before
+* sending the next block of data.
+*
+* Example 7. Acknowledging data received via IQ (XEP-0047)
+*
+* <iq from='tyrael@sanctuary.org/talrashastomb'
+*     id='kr91n475'
+*     to='deckardcain@sanctuary.org/tristram'
+*     type='result'/>
+*
+* @see sendIBBData
+*/
+- (void)handleIBBTransferQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for response to IBB sent data.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        // Handle dropped connection or recipient offline.
+        if (errorElem) {
+          NSString *errMsg = [NSString stringWithFormat:@"Error transferring with IBB: %@",
+                                                        [errorElem childAtIndex:0]];
+          NSError *err = [self localErrorWithMessage:errMsg code:-1];
+
+          NSString *reason =
+              @"The recipient might be offline, the connection was interrupted, or the transfer was canceled.";
+          [self failWithReason:reason error:err];
+          return;
+        }
+
+        // Handle the scenario when the recipient closes the bytestream.
+        NSXMLElement *close = [iq elementForName:@"close"];
+        if (close) {
+          if (_sentDataSize >= _totalDataSize) {
+            // We can assume the transfer was successful.
+            [multicastDelegate xmppOutgoingFileTransferDidSucceed:self];
+            [multicastDelegate xmppOutgoingFileTransferIBBClosed:self];
+
+            // As per Examples 8-9 (XEP-0047), we SHOULD send the following
+            // response to let the other party know it's alright to close the
+            // bytestream. There's no reason to track it, however.
+            //
+            // <iq from='tyrael@sanctuary.org/talrashastomb'
+            //     id='us71g45j'
+            //     to='deckardcain@sanctuary.org/tristram'
+            //     type='result'/>
+
+            XMPPIQ *resultIq = [XMPPIQ iqWithType:@"result"
+                                               to:_recipientJID
+                                        elementID:iq.elementID];
+            [xmppStream sendElement:resultIq];
+          } else {
+            // There must have been a reason to close, but we don't know it.
+            // Therefore, the transfer might not have been successful.
+            [self failWithReason:@"Recipient closed IBB stream." error:nil];
+            [multicastDelegate xmppOutgoingFileTransferIBBClosed:self];
+          }
+        }
+
+        // At this point, we're assuming that we've received the stanza shown
+        // above and the recipient has successfully received the data we sent,
+        // so we should now send them the next block of data.
+        _sentDataSize += _blockSize;
+        [self sendIBBData];
+
+        XMPPLogVerbose(
+            @"Received response signifying successful IBB stanza. Sending the next block");
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* XEP-0047 Example 8. Closing the bytestream
+*
+* Sends an IQ to the recipient stating that the bytestream will be closed. As
+* per the protocol, we SHOULD wait for an IQ response before we can consider
+* the bytestream to be closed.
+*
+* Note that the 'sid' must be included.
+*
+* @see handleCloseIBBQueryIQ:withInfo:
+*/
+- (void)closeIBB
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:_recipientJID
+                              elementID:[xmppStream generateUUID]];
+        NSXMLElement *close = [NSXMLElement elementWithName:@"close" xmlns:XMPPIBBNamespace];
+        [close addAttributeWithName:@"sid" stringValue:self.sid];
+        [iq addChild:close];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleCloseIBBQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* Handles the response of our query to close the IBB. When it gets a response,
+* it merely changes the state and logs that the stream is closed. a successful
+* response will look like XEP-0047 Example 9.
+*/
+- (void)handleCloseIBBQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for close IBB response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        // The protocol states that we might receive an <item-not-found />
+        // response, so we'll just ignore that here
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+        if (errorElem && ![errorElem.name isEqualToString:@"item-not-found"]) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:errMsg error:err];
+          return_from_block;
+        }
+
+        // We're assuming that if it makes it this far, it's the response we want
+        [multicastDelegate xmppOutgoingFileTransferIBBClosed:self];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+
+#pragma mark - Response Handling
+
+/**
+* This method handles the response of our `disco#info` query sent to the file
+* recipient. We ensure that the recipient has the capabilities for our transfer
+* before sending an SI offer.
+*
+* <iq type="result"
+*     id="purplea2da8fc9"
+*     from="tyrael@sanctuary.org/talrashastomb"
+*     to="deckardcain@sanctuary.org/tristram">
+*   <query xmlns="http://jabber.org/protocol/disco#info">
+*     <identity category="client" type="phone"/>
+*     <feature var="http://jabber.org/protocol/si"/>
+*     <feature var="http://jabber.org/protocol/si/profile/file-transfer"/>
+*     <feature var="http://jabber.org/protocol/bytestreams"/>
+*   </query>
+* </iq>
+*
+*/
+- (void)handleRecipientDiscoInfoQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+  XMPPLogInfo(@"iq: %@, info: %@", iq, info);
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for recipient `disco#info` response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:errMsg error:err];
+          return_from_block;
+        }
+
+        NSXMLElement *query = [iq elementForName:@"query"];
+
+        // We're checking to see if the recipient has the features we need
+        BOOL hasSI = NO;
+        BOOL hasFT = NO;
+        BOOL hasSOCKS5 = NO;
+        BOOL hasIBB = NO;
+
+        NSArray *features = [query elementsForName:@"feature"];
+        for (NSXMLElement *feature in features) {
+          NSString *var = [feature attributeStringValueForName:@"var"];
+          if ([var isEqualToString:XMPPSINamespace]) hasSI = YES;
+          if ([var isEqualToString:XMPPSIProfileFileTransferNamespace]) hasFT = YES;
+          if ([var isEqualToString:XMPPBytestreamsNamespace]) hasSOCKS5 = YES;
+          if ([var isEqualToString:XMPPIBBNamespace]) hasIBB = YES;
+        }
+
+        hasSOCKS5 = hasSI && hasFT && hasSOCKS5;
+        hasIBB = hasSI && hasFT && hasIBB;
+
+        if (!hasSOCKS5 || !hasIBB) {
+          NSString *errMsg =
+              @"Unable to send SI offer; the recipient doesn't have the required features.";
+          XMPPLogInfo(@"%@: %@", THIS_FILE, errMsg);
+
+          NSError *err = [self localErrorWithMessage:errMsg code:-1];
+          [multicastDelegate xmppOutgoingFileTransfer:self didFailWithError:err];
+
+          return_from_block;
+        }
+
+        [self querySIOffer];
+
+        // TODO:
+        // The following lines are currently useless. Maybe at some point I'll
+        // add the ability to restart the transfer using IBB if bytestreams
+        // fail, but only if the stream-method is available.
+        if (hasSOCKS5) {
+          _streamMethods |= XMPPFileTransferStreamMethodBytestreams;
+        }
+
+        if (hasIBB) {
+          _streamMethods |= XMPPFileTransferStreamMethodIBB;
+        }
+
+        _pastRecipients[_recipientJID.full] = @(_streamMethods);
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method is responsible for handling the response to the Stream Initiation
+* Offer that will be in the form described in Examples 2 and 4 of XEP-0096.
+* Depending on the response, this method will trigger an error or begin the
+* transfer process using either SOCKS5 or IBB (whichever is sent back first).
+*
+* The response should be in a similar format to that which is shown below:
+*
+* <iq type="result"
+*     id="purplea2da8fca"
+*     from="tyrael@sanctuary.org/talrashastomb"
+*     to="deckardcain@sanctuary.org/tristram">
+*   <si xmlns="http://jabber.org/protocol/si">
+*     <feature xmlns="http://jabber.org/protocol/feature-neg">
+*       <x xmlns="jabber:x:data" type="submit">
+*         <field var="stream-method">
+*           <value>http://jabber.org/protocol/bytestreams</value>
+*         </field>
+*       </x>
+*     </feature>
+*   </si>
+* </iq>
+*/
+- (void)handleSIOfferQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^void {
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for SI offer response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:@"There was an issue with the SI offer." error:err];
+          return_from_block;
+        }
+
+        NSXMLElement *si = iq.childElement;
+        NSXMLElement *feature = (DDXMLElement *) [si childAtIndex:0];
+        NSXMLElement *x = (DDXMLElement *) [feature childAtIndex:0];
+        NSXMLElement *field = (DDXMLElement *) [x childAtIndex:0];
+        NSXMLElement *value = (DDXMLElement *) [field childAtIndex:0];
+
+        if ([[value stringValue] isEqualToString:XMPPBytestreamsNamespace]) {
+          XMPPLogVerbose(@"The recipient has confirmed the use of SOCKS5. Starting transfer...");
+          [self collectStreamHosts];
+        } else if ([[value stringValue] isEqualToString:XMPPIBBNamespace]) {
+          XMPPLogVerbose(@"The recipient has confirmed the use of IBB. Beginning IBB transfer");
+          [self beginIBBTransfer];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the server's response to the `disco#items` query sent
+* before. It iterates through the results and queries each JID to determine
+* whether or not it is a proxy service.
+*
+* @see queryProxyDiscoInfoWithJID:
+*/
+- (void)handleProxyDiscoItemsQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for proxy `disco#items` response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:@"There was an error with the disco#items request." error:err];
+          return_from_block;
+        }
+
+        NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPDiscoItemsNamespace];
+        if (!query) return;
+
+        NSArray *items = [query elementsForName:@"item"];
+
+        for (NSXMLElement *item in items) {
+          XMPPJID *itemJid = [XMPPJID jidWithString:[item attributeStringValueForName:@"jid"]];
+
+          if (itemJid) {
+            XMPPLogVerbose(@"Found service %@. Querying to see if it's a proxy.", itemJid.full);
+            [self queryProxyDiscoInfoWithJID:itemJid];
+          }
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the server's response to the `disco#info` query sent
+* before. It determines whether or not the service is indeed a proxy. If it is,
+* the service is queried for its address and port.
+*
+* @see queryProxyAddressWithJID
+*/
+- (void)handleProxyDiscoInfoQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for proxy `disco#info` response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:@"There was an error with the disco#info request." error:err];
+          return_from_block;
+        }
+
+        NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPDiscoInfoNamespace];
+        NSArray *identities = [query elementsForName:@"identity"];
+
+        for (NSXMLElement *identity in identities) {
+          NSString *category = [identity attributeStringValueForName:@"category"];
+          NSString *type = [identity attributeStringValueForName:@"type"];
+
+          if ([category isEqualToString:@"proxy"] && [type isEqualToString:@"bytestreams"]) {
+            [self queryProxyAddressWithJID:iq.from];
+          }
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the server's response to the address query sent before.
+* If there is no error, we assume that we were sent an address and a port in
+* the form of a streamhost and send the streamhosts to the recipient to begin
+* the actual connection process.
+*
+* @see sendStreamHostsAndWaitForConnection
+*/
+- (void)handleProxyAddressQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for proxy address discovery response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:@"There was an issue with the proxy address query." error:err];
+          return_from_block;
+        }
+
+        NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPBytestreamsNamespace];
+        NSXMLElement *streamHost = [query elementForName:@"streamhost"];
+
+        if (!streamHost) {
+          [self failWithReason:@"There must be at least one streamhost." error:nil];
+          return_from_block;
+        }
+
+        // Detach the streamHost object so it can later be added to a query
+        [streamHost detach];
+        [_streamhosts addObject:streamHost];
+
+        [self sendStreamHostsAndWaitForConnection];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the server's response after sending the query of
+* streamhosts. If there is an error, it alerts the delegate and causes the
+* transfer to fail. Otherwise, the connection will proceed and the data will be
+* written to the bytestream.
+*/
+- (void)handleSentStreamhostsQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+          NSError *err = [self localErrorWithMessage:errMsg
+                                                code:[errorElem attributeIntValueForName:@"code"]];
+          [self failWithReason:@"There was an issue with sending the streamhosts." error:err];
+          return_from_block;
+        }
+
+        // Check for <streamhost-used/>
+        //
+        // We're expecting something like:
+        //
+        // <iq xmlns="jabber:client"
+        //     from="tyrael@sanctuary.org/talrashastomb"
+        //     to="deckardcain@sanctuary.org/tristram"
+        //     type="result"
+        //     id="A07A356F-DF15-49BC-92D8-EB3C0357A190">
+        //  <query xmlns="http://jabber.org/protocol/bytestreams">
+        //    <streamhost-used jid="deckardcain@sanctuary.org/tristram"/>
+        //  </query>
+        // </iq>
+
+        NSXMLElement *query = iq.childElement;
+        NSXMLElement *streamhostUsed = [query elementForName:@"streamhost-used"];
+
+        NSString *jid = [streamhostUsed attributeStringValueForName:@"jid"];
+        XMPPLogVerbose(@"%@: streamhost-used received with jid: %@", THIS_FILE, jid);
+
+        if ([jid isEqualToString:xmppStream.myJID.full]) {
+          XMPPLogVerbose(@"%@: writing data via direct connection.", THIS_FILE);
+          [_outgoingSocket writeData:_outgoingData
+                         withTimeout:TIMEOUT_WRITE
+                                 tag:SOCKS_TAG_WRITE_DATA];
+          return;
+        }
+
+        XMPPLogVerbose(@"%@: unable use a direct connection; trying the provided streamhost.",
+                       THIS_FILE);
+
+        if (_outgoingSocket) {
+          if (_outgoingSocket.isConnected) {
+            [_outgoingSocket disconnect];
+          }
+          _outgoingSocket = nil;
+        }
+
+        // We need to get the streamhost which we discovered earlier as a proxy.
+        NSXMLElement *proxy;
+        for (NSXMLElement *streamhost in _streamhosts) {
+          if ([jid isEqualToString:[streamhost attributeStringValueForName:@"jid"]]) {
+            proxy = streamhost;
+            _proxyJID = [XMPPJID jidWithString:jid];
+            break;
+          }
+        }
+
+        if (_asyncSocket) {
+          [_asyncSocket setDelegate:nil];
+          [_asyncSocket disconnect];
+        }
+
+        if (!_asyncSocket) {
+          _asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self
+                                                    delegateQueue:_outgoingQueue];
+        } else {
+          [_asyncSocket setDelegate:self];
+        }
+
+        NSError *err;
+        NSString *proxyHost = [proxy attributeStringValueForName:@"host"];
+        uint16_t proxyPort = (gl_uint16_t) [proxy attributeUnsignedIntegerValueForName:@"port"];
+
+        if (![_asyncSocket connectToHost:proxyHost onPort:proxyPort error:&err]) {
+          [self failWithReason:@"Unable to connect to proxy." error:err];
+          return_from_block;
+        }
+
+        _transferState = XMPPOFTStateConnectingToProxy;
+        // See the GCDAsyncSocket Delegate for the next steps.
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the server's response after sending the <activate/> IQ
+* query as described in XEP-0065 Example 24.
+*
+* If the response is valid (Example 25), the actual transfer of data begins.
+*/
+- (void)handleSentActivateQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        if (!iq) {
+          // If we're inside this block, it means that the timeout has been
+          // fired and we need to force a failure
+          NSString *errMsg = @"Timeout waiting for sent activate response.";
+          [self failWithReason:errMsg error:nil];
+        }
+
+        XMPPLogVerbose(@"Receive response to activate. Starting the actual data transfer now...");
+        [_asyncSocket writeData:_outgoingData withTimeout:TIMEOUT_WRITE tag:SOCKS_TAG_WRITE_DATA];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+
+#pragma mark - Util Methods
+
+- (NSError *)localErrorWithMessage:(NSString *)msg code:(NSInteger)code
+{
+  NSDictionary *errInfo = @{NSLocalizedDescriptionKey : [msg copy]};
+  return [NSError errorWithDomain:XMPPOutgoingFileTransferErrorDomain
+                             code:code
+                         userInfo:errInfo];
+}
+
+- (NSString *)getIPAddress:(BOOL)preferIPv4
+{
+  NSArray *searchArray;
+
+  if (preferIPv4) {
+    searchArray = @[IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6,
+                    IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6];
+  } else {
+    searchArray = @[IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4,
+                    IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4];
+  }
+
+  NSDictionary *addresses = [self getIPAddresses];
+
+  __block NSString *address;
+  [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop) {
+      address = addresses[key];
+      if (address) *stop = YES;
+  }];
+
+  return address;
+}
+
+- (NSDictionary *)getIPAddresses
+{
+  NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
+
+  // Retrieve the current interfaces — returns 0 on success
+  struct ifaddrs *interfaces;
+  if (!getifaddrs(&interfaces)) {
+    // Loop through linked list of interfaces
+    struct ifaddrs *curr;
+
+    for (curr = interfaces; curr; curr = curr->ifa_next) {
+      if (!curr->ifa_flags & IFF_UP) {
+        continue;
+      }
+
+      const struct sockaddr_in *addr = (const struct sockaddr_in *) curr->ifa_addr;
+      char addr_buf[MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN)];
+
+      if (addr && (addr->sin_family == AF_INET || addr->sin_family == AF_INET6)) {
+        NSString *name = [NSString stringWithUTF8String:curr->ifa_name];
+        NSString *type;
+
+        if (addr->sin_family == AF_INET) {
+          if (inet_ntop(AF_INET, &addr->sin_addr, addr_buf, INET_ADDRSTRLEN)) {
+            type = IP_ADDR_IPv4;
+          }
+        } else {
+          const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6 *) curr->ifa_addr;
+
+          if (inet_ntop(AF_INET6, &addr6->sin6_addr, addr_buf, INET6_ADDRSTRLEN)) {
+            type = IP_ADDR_IPv6;
+          }
+        }
+
+        if (type) {
+          NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];
+          addresses[key] = [NSString stringWithUTF8String:addr_buf];
+        }
+      }
+    }
+
+    freeifaddrs(interfaces);
+  }
+
+  return addresses.count ? addresses : nil;
+}
+
+/**
+* Returns a random port number between 1024 and 49151, since these are the
+* values available to use as ports.
+*/
++ (uint16_t)getRandomPort
+{
+  int port = arc4random_uniform(49151);
+  return (uint16_t) (port < 1024 ? port + 1024 : port);
+}
+
+/**
+* This method returns the SHA1 hash as per XEP-0065.
+*
+* The [address] MUST be SHA1(SID + Initiator JID + Target JID) and the output
+* is hexadecimal encoded (not binary).
+*
+* Because this is an outgoing file transfer, we are always the initiator.
+*/
+- (NSData *)sha1Hash
+{
+  NSString *hashMe =
+      [NSString stringWithFormat:@"%@%@%@", self.sid, xmppStream.myJID.full, _recipientJID.full];
+  NSData *hashRaw = [[hashMe dataUsingEncoding:NSUTF8StringEncoding] xmpp_sha1Digest];
+  NSData *hash = [[hashRaw xmpp_hexStringValue] dataUsingEncoding:NSUTF8StringEncoding];
+
+  XMPPLogVerbose(@"%@: hashMe : %@", THIS_FILE, hashMe);
+  XMPPLogVerbose(@"%@: hashRaw: %@", THIS_FILE, hashRaw);
+  XMPPLogVerbose(@"%@: hash   : %@", THIS_FILE, hash);
+
+  return hash;
+}
+
+/**
+* This method is called to clean up everything if the transfer fails.
+*/
+- (void)failWithReason:(NSString *)causeOfFailure error:(NSError *)error
+{
+  XMPPLogTrace();
+  XMPPLogInfo(@"Outgoing file transfer failed because: %@", causeOfFailure);
+
+  if (!error && causeOfFailure) {
+    NSDictionary *errInfo = @{NSLocalizedDescriptionKey : causeOfFailure};
+    error = [NSError errorWithDomain:XMPPOutgoingFileTransferErrorDomain
+                                code:-1
+                            userInfo:errInfo];
+  }
+
+  [self cleanUp];
+  [multicastDelegate xmppOutgoingFileTransfer:self didFailWithError:error];
+}
+
+/**
+* This method is called to clean up everything if the transfer succeeds.
+*/
+- (void)transferSuccess
+{
+
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        _transferState = XMPPOFTStateFinished;
+        [multicastDelegate xmppOutgoingFileTransferDidSucceed:self];
+        [self cleanUp];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method is used to reset the system for receiving new files.
+*/
+- (void)cleanUp
+{
+  XMPPLogTrace();
+
+  if (_asyncSocket) {
+    [_asyncSocket setDelegate:nil];
+    [_asyncSocket disconnect];
+    _asyncSocket = nil;
+  }
+
+  if (_outgoingSocket) {
+    [_outgoingSocket setDelegate:nil];
+    [_outgoingSocket disconnect];
+    _outgoingSocket = nil;
+  }
+
+  _streamMethods &= 0;
+  _transferState = XMPPOFTStateNone;
+  _totalDataSize = 0;
+  _outgoingDataBlockSeq = 0;
+  _sentDataSize = 0;
+  _outgoingDataBase64 = nil;
+}
+
+
+#pragma mark - XMPPStreamDelegate
+
+/**
+* Default XMPPStreamDelegate method. We need this to handle the IQ responses.
+*/
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+  NSString *type = iq.type;
+
+  if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"]) {
+    return [_idTracker invokeForElement:iq withObject:iq];
+  }
+
+  return NO;
+}
+
+
+#pragma mark - GCDAsyncSocketDelegate
+
+- (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket
+{
+  XMPPLogVerbose(@"Did accept new socket");
+  XMPPLogVerbose(@"connected host: %@", newSocket.connectedHost);
+  XMPPLogVerbose(@"connected port: %hu", newSocket.connectedPort);
+
+  _outgoingSocket = newSocket;
+  [_outgoingSocket readDataToLength:3 withTimeout:20 tag:SOCKS_TAG_READ_METHOD];
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
+{
+  XMPPLogVerbose(@"%@: didConnectToHost:%@ port:%d", THIS_FILE, host, port);
+
+  [self socks5WriteProxyMethod];
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
+{
+  XMPPLogVerbose(@"%@: didReadData:%@ withTag:%ld", THIS_FILE, data, tag);
+
+  switch (tag) {
+    case SOCKS_TAG_READ_METHOD:
+      [self socks5ReadMethod:data];
+      break;
+    case SOCKS_TAG_READ_REQUEST:
+      [self socks5ReadRequest:data];
+      break;
+    case SOCKS_TAG_READ_DOMAIN:
+      [self socks5ReadDomain:data];
+      break;
+    case SOCKS_TAG_READ_PROXY_METHOD:
+      [self socks5ReadProxyMethod:data];
+      break;
+    case SOCKS_TAG_READ_PROXY_REPLY:
+      [self socks5ReadProxyReply:data];
+      break;
+    default:
+      break;
+  }
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didWriteDataWithTag:(long)tag
+{
+  XMPPLogVerbose(@"%@: didWriteDataWithTag:%ld", THIS_FILE, tag);
+
+  switch (tag) {
+    case SOCKS_TAG_WRITE_METHOD:
+      [_outgoingSocket readDataToLength:4 withTimeout:TIMEOUT_READ tag:SOCKS_TAG_READ_REQUEST];
+      break;
+    case SOCKS_TAG_WRITE_PROXY_METHOD:
+      [_asyncSocket readDataToLength:2 withTimeout:TIMEOUT_READ tag:SOCKS_TAG_READ_PROXY_METHOD];
+      break;
+    case SOCKS_TAG_WRITE_PROXY_CONNECT:
+      [_asyncSocket readDataToLength:5 withTimeout:TIMEOUT_READ tag:SOCKS_TAG_READ_PROXY_REPLY];
+      break;
+    case SOCKS_TAG_WRITE_DATA:
+      [self transferSuccess];
+      break;
+    default:
+      break;
+  }
+}
+
+- (NSTimeInterval)socket:(GCDAsyncSocket *)sock
+shouldTimeoutReadWithTag:(long)tag
+                 elapsed:(NSTimeInterval)elapsed
+               bytesDone:(NSUInteger)length
+{
+  XMPPLogVerbose(@"%@: socket shouldTimeoutReadWithTag:%ld elapsed:%f bytesDone:%lu", THIS_FILE, tag, elapsed, (unsigned long)length);
+
+  NSString *reason = [NSString stringWithFormat:@"Read timeout. %lu bytes read.", (unsigned long)length];
+  [self failWithReason:reason error:nil];
+
+  return 0;
+}
+
+- (NSTimeInterval) socket:(GCDAsyncSocket *)sock
+shouldTimeoutWriteWithTag:(long)tag
+                  elapsed:(NSTimeInterval)elapsed
+                bytesDone:(NSUInteger)length
+{
+  XMPPLogVerbose(@"%@: socket shouldTimeoutWriteWithTag:%ld elapsed:%f bytesDone:%lu", THIS_FILE,
+                 tag, elapsed, (unsigned long) length);
+
+  NSString *reason = [NSString stringWithFormat:@"Write timeout. %lu bytes written.",
+                                                (unsigned long) length];
+  [self failWithReason:reason error:nil];
+
+  return 0;
+}
+
+- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
+{
+  XMPPLogVerbose(@"socket did disconnect with error: %@", err);
+  if (_transferState != XMPPOFTStateFinished && _transferState != XMPPOFTStateNone) {
+    [self failWithReason:@"Socket disconnected before transfer completion." error:err];
+  }
+}
+
+
+#pragma mark - SOCKS5
+
+- (void)socks5ReadMethod:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // According to the SOCKS5 protocol (http://tools.ietf.org/html/rfc1928),
+        // we facilitate the role of the 'server' in this scenario, meaning that
+        // the 'client' has connected to us and written data in the following form:
+        //
+        //                 +----+----------+----------+
+        //                 |VER | NMETHODS | METHODS  |
+        //                 +----+----------+----------+
+        //                 | 1  |    1     | 1 to 255 |
+        //                 +----+----------+----------+
+        //
+        // The VER field should always be set to 5 (for SOCKS v5).
+        // NMETHODS will always be a single byte and since we really only want this
+        // to be 1, we're free to ignore it.
+        // METHODS can have various values, but if it's set to anything other than
+        // 0 (no authentication), we're going to abort the process.
+        //
+        // We're thus expecting:
+        //
+        // VER      = 5
+        // NMETHODS = 1
+        // METHODS  = 0
+
+        UInt8 version = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 method = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:2];
+
+        if (version == 5 && method == 0) {
+
+          // At this point, we've determined that no authentication is required and
+          // are able to proceed. In order to do so, we need to write data in the
+          // following form:
+          //
+          //                    +----+--------+
+          //                    |VER | METHOD |
+          //                    +----+--------+
+          //                    | 1  |   1    |
+          //                    +----+--------+
+          //
+          // The VER will once again be set to 5, and METHOD will be set to 0.
+          //
+          // We're sending:
+          //
+          // VER    = 5
+          // METHOD = 0
+
+          void *byteBuf = malloc(2);
+
+          UInt8 ver = 5;
+          memcpy(byteBuf, &ver, sizeof(ver));
+
+          UInt8 mtd = 0;
+          memcpy(byteBuf + 1, &mtd, sizeof(mtd));
+
+          NSData *responseData = [NSData dataWithBytesNoCopy:byteBuf length:2 freeWhenDone:YES];
+          XMPPLogVerbose(@"%@: writing SOCKS5 auth response: %@", THIS_FILE, responseData);
+
+          [_outgoingSocket writeData:responseData
+                         withTimeout:TIMEOUT_WRITE
+                                 tag:SOCKS_TAG_WRITE_METHOD];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadRequest:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        //  The SOCKS request is formed as follows:
+        //
+        //       +----+-----+-------+------+----------+----------+
+        //       |VER | CMD |  RSV  | ATYP | DST.ADDR | DST.PORT |
+        //       +----+-----+-------+------+----------+----------+
+        //       | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //       +----+-----+-------+------+----------+----------+
+        //
+        // We're expecting:
+        //
+        // VER      = 5
+        // CMD      = 1 (connect)
+        // RSV      = 0 (reserved; this will always be 0)
+        // ATYP     = 1 (IPv4), 3 (domain name), or 4 (IPv6)
+        // DST.ADDR (varies based on ATYP)
+        // DST.PORT = 0 (according to XEP-0065)
+        //
+        // At this stage, we've only actually read 4 bytes from the stream, those
+        // being VER, CMD, RSV, and ATYP. We need to read ATYP to determine how many
+        // more bytes we should read. Scenarios listed below:
+        //
+        // ATYP = 3 (domain name): Read the next byte which will contain the number
+        //                         bytes in the address. Then read that many bytes +
+        //                         2 for the port. Since this is the only type of
+        //                         ATYP we want to support, any other fails. We'll go
+        //                         ahead and read the whole address and port. It
+        //                         should always be 40 bytes long (SHA1).
+
+        UInt8 ver = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 cmd = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:1];
+        UInt8 atyp = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:3];
+
+        if (ver != 5 || cmd != 1) {
+          [self failWithReason:@"Incorrect SOCKS version or command is not 'CONNECT'." error:nil];
+          return;
+        }
+
+        // Read the length byte + the 40-byte SHA1 + 2-byte address
+        NSUInteger length = 43;
+        if (atyp == 3) {
+          [_outgoingSocket readDataToLength:length
+                                withTimeout:TIMEOUT_READ
+                                        tag:SOCKS_TAG_READ_DOMAIN];
+        } else {
+          [self failWithReason:@"ATYP value is invalid." error:nil];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadDomain:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSData *hash = [self sha1Hash];
+
+        // We need to pull the address data out, which starts after the first byte
+        // and goes for 40 bytes.
+        NSRange addrRange = NSMakeRange(1, 40);
+        if (![hash isEqualToData:[incomingData subdataWithRange:addrRange]]) {
+          XMPPLogVerbose(@"Addresses don't match. Canceling the SOCKS5 transfer.");
+          [self failWithReason:@"Addresses don't match." error:nil];
+          return;
+        }
+
+        // We need to next pull the port out and verify that it's 0x00, 0x00.
+        UInt8 addrPort0 = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:41];
+        UInt8 addrPort1 = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:41];
+
+        if (addrPort0 || addrPort1) {
+          XMPPLogVerbose(@"Port should always be 0x00. Canceling the SOCKS5 transfer.");
+          [self failWithReason:@"Port isn't 0x00." error:nil];
+          return;
+        }
+
+        // If the DST.ADDR and DST.PORT are valid, then we proceed with the process.
+        // We send our reply which is described below.
+        //
+        //          +----+-----+-------+------+----------+----------+
+        //          |VER | REP |  RSV  | ATYP | BND.ADDR | BND.PORT |
+        //          +----+-----+-------+------+----------+----------+
+        //          | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //          +----+-----+-------+------+----------+----------+
+        //
+        // VER = 5 (SOCKS5)
+        // REP = 0 (Success)
+        // RSV = 0
+        // ATYP = 3 (Domain) - NOTE: Since we're using ATYP = 3, we must send the
+        //                           length of our host in the very next byte.
+        // BND.ADDR = local IP address
+        // BND.PORT = 0x00
+        //            0x00
+
+        const char *host = [_localIPAddress UTF8String];
+
+        NSUInteger numBytes = 5 + strlen(host) + 2;
+
+        void *byteBuf = malloc(numBytes);
+
+        UInt8 ver = 5;
+        memcpy(byteBuf, &ver, sizeof(ver));
+
+        UInt8 rep = 0;
+        memcpy(byteBuf + 1, &rep, sizeof(rep));
+
+        UInt8 rsv = 0;
+        memcpy(byteBuf + 2, &rsv, sizeof(rsv));
+
+        UInt8 atyp = 3;
+        memcpy(byteBuf + 3, &atyp, sizeof(atyp));
+
+        UInt8 hostlen = (UInt8) strlen(host);
+        memcpy(byteBuf + 4, &hostlen, sizeof(hostlen));
+
+        memcpy(byteBuf + 5, host, hostlen);
+
+        UInt8 port = 0;
+        memcpy(byteBuf + 5 + hostlen, &port, sizeof(port));
+        memcpy(byteBuf + 6 + hostlen, &port, sizeof(port));
+
+        NSData
+            *responseData = [NSData dataWithBytesNoCopy:byteBuf length:numBytes freeWhenDone:YES];
+        XMPPLogVerbose(@"%@: writing SOCKS5 auth response: %@", THIS_FILE, responseData);
+
+        [_outgoingSocket writeData:responseData
+                       withTimeout:TIMEOUT_WRITE
+                               tag:SOCKS_TAG_WRITE_REPLY];
+
+        _transferState = XMPPOFTStateSOCKSLive;
+
+        // Now we wait for a <streamhost-used/> IQ stanza before sending the data.
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5WriteProxyMethod
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // We will attempt anonymous authentication with the proxy. The request is
+        // the same that we would read if this were a direct connection. The only
+        // difference is this time we initiate the request as a client rather than
+        // being a the 'server.'
+        //
+        //                 +----+----------+----------+
+        //                 |VER | NMETHODS | METHODS  |
+        //                 +----+----------+----------+
+        //                 | 1  |    1     | 1 to 255 |
+        //                 +----+----------+----------+
+        //
+        // We're sending:
+        //
+        // VER      = 5 (SOCKS5)
+        // NMETHODS = 1 (number of methods)
+        // METHODS  = 0 (no authentication)
+
+        void *byteBuf = malloc(3);
+
+        UInt8 ver = 5;
+        memcpy(byteBuf, &ver, sizeof(ver));
+
+        UInt8 nmethods = 1;
+        memcpy(byteBuf + 1, &nmethods, sizeof(nmethods));
+
+        UInt8 methods = 0;
+        memcpy(byteBuf + 2, &methods, sizeof(methods));
+
+        NSData *data = [NSData dataWithBytesNoCopy:byteBuf length:3 freeWhenDone:YES];
+        [_asyncSocket writeData:data withTimeout:TIMEOUT_WRITE tag:SOCKS_TAG_WRITE_PROXY_METHOD];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadProxyMethod:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // We've sent a request to connect with no authentication. This data contains
+        // the proxy server's response to our request.
+        //
+        //                    +----+--------+
+        //                    |VER | METHOD |
+        //                    +----+--------+
+        //                    | 1  |   1    |
+        //                    +----+--------+
+        //
+        // We're expecting:
+        //
+        // VER    = 5 (SOCKS5)
+        // METHOD = 0 (no authentication)
+
+        UInt8 version = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 method = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:1];
+
+        if (version != 5 || method) {
+          [self failWithReason:@"Proxy doesn't allow anonymous authentication." error:nil];
+          return;
+        }
+
+        NSData *hash = [self sha1Hash];
+
+        //  The SOCKS request is formed as follows:
+        //
+        //       +----+-----+-------+------+----------+----------+
+        //       |VER | CMD |  RSV  | ATYP | DST.ADDR | DST.PORT |
+        //       +----+-----+-------+------+----------+----------+
+        //       | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //       +----+-----+-------+------+----------+----------+
+        //
+        // We're sending:
+        //
+        // VER      = 5
+        // CMD      = 1 (connect)
+        // RSV      = 0 (reserved; this will always be 0)
+        // ATYP     = 3 (domain name)
+        // DST.ADDR (varies based on ATYP)
+        // DST.PORT = 0 (according to XEP-0065)
+        //
+        // Immediately after ATYP, we need to send the length of our address. Because
+        // SHA1 is always 40 bytes, we simply send this value. After it, we append
+        // the actual hash and then the port.
+
+        void *byteBuf = malloc(5 + 40 + 2);
+
+        UInt8 ver = 5;
+        memcpy(byteBuf, &ver, sizeof(ver));
+
+        UInt8 cmd = 1;
+        memcpy(byteBuf + 1, &cmd, sizeof(cmd));
+
+        UInt8 rsv = 0;
+        memcpy(byteBuf + 2, &rsv, sizeof(rsv));
+
+        UInt8 atyp = 3;
+        memcpy(byteBuf + 3, &atyp, sizeof(atyp));
+
+        UInt8 hashlen = (UInt8) hash.length;
+        memcpy(byteBuf + 4, &hashlen, sizeof(hashlen));
+
+        memcpy(byteBuf + 5, hash.bytes, hashlen);
+
+        UInt8 port = 0;
+        memcpy(byteBuf + 5 + hashlen, &port, sizeof(port));
+        memcpy(byteBuf + 6 + hashlen, &port, sizeof(port));
+
+        NSData *data = [NSData dataWithBytesNoCopy:byteBuf length:47 freeWhenDone:YES];
+        [_asyncSocket writeData:data withTimeout:TIMEOUT_WRITE tag:SOCKS_TAG_WRITE_PROXY_CONNECT];
+
+        XMPPLogVerbose(@"%@: writing connect request: %@", THIS_FILE, data);
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+- (void)socks5ReadProxyReply:(NSData *)incomingData
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        // The server will reply to our connect command with the following:
+        //
+        //          +----+-----+-------+------+----------+----------+
+        //          |VER | REP |  RSV  | ATYP | BND.ADDR | BND.PORT |
+        //          +----+-----+-------+------+----------+----------+
+        //          | 1  |  1  | X'00' |  1   | Variable |    2     |
+        //          +----+-----+-------+------+----------+----------+
+        //
+        // VER = 5 (SOCKS5)
+        // REP = 0 (Success)
+        // RSV = 0
+        // ATYP = 3 (Domain) - NOTE: Since we're using ATYP = 3, we must check the
+        //                           length of the server's host in the next byte.
+
+        UInt8 ver = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:0];
+        UInt8 rep = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:1];
+        UInt8 atyp = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:3];
+        UInt8 hostlen = [NSNumber xmpp_extractUInt8FromData:incomingData atOffset:4];
+
+        if (ver != 5 || rep || atyp != 3) {
+          [self failWithReason:@"Invalid VER, REP, or ATYP." error:nil];
+          return;
+        }
+
+        // Read those bytes off into oblivion...
+        [_asyncSocket readDataToLength:hostlen + 2 withTimeout:TIMEOUT_READ tag:-1];
+
+        // According to XEP-0065 Example 23, we don't need to validate the
+        // address we were sent (at least that is how I interpret it), so we
+        // can just go ahead and send the <activate/> IQ query and start
+        // sending the data once we receive our response.
+
+        NSXMLElement *activate = [NSXMLElement elementWithName:@"activate"
+                                                   stringValue:_recipientJID.full];
+
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                      xmlns:@"http://jabber.org/protocol/bytestreams"];
+        [query addAttributeWithName:@"sid" stringValue:self.sid];
+        [query addChild:activate];
+
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:_proxyJID
+                              elementID:[xmppStream generateUUID]
+                                  child:query];
+
+        [_idTracker addElement:iq
+                        target:self
+                      selector:@selector(handleSentActivateQueryIQ:withInfo:)
+                       timeout:OUTGOING_DEFAULT_TIMEOUT];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+@end
diff --git a/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.h b/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.h
new file mode 100644
index 0000000..ce0c10e
--- /dev/null
+++ b/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.h
@@ -0,0 +1,51 @@
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+
+extern NSString *const XMPPGoogleSharedStatusShow;
+extern NSString *const XMPPGoogleSharedStatusInvisible;
+extern NSString *const XMPPGoogleSharedStatusStatus;
+
+extern NSString *const XMPPGoogleSharedStatusShowAvailable;
+extern NSString *const XMPPGoogleSharedStatusShowBusy;
+extern NSString *const XMPPGoogleSharedStatusShowIdle;
+
+@protocol XMPPGoogleSharedStatusDelegate;
+
+
+#define _XMPP_GOOGLE_SHARED_STATUS_H
+
+@interface XMPPGoogleSharedStatus : XMPPModule
+
+@property (nonatomic, assign) BOOL sharedStatusSupported;
+@property (nonatomic, strong) NSDictionary *sharedStatus;
+
+// Determines if the user is idle based on last received HID
+// event, and sends the presence as away, if the user is idle.
+@property (nonatomic, assign) BOOL assumeIdleUpdateResponsibility;
+
+@property (nonatomic, strong) NSString *status;
+@property (nonatomic, strong) NSString *show;
+@property (nonatomic, assign) BOOL invisible;
+
+// Convenience auto-updater for presence status.
+// Does not use XMPPGoogleSharedStatus.
+@property (nonatomic, copy) NSString *statusMessage;
+@property (nonatomic, copy) NSString *statusAvailability;
+
+- (void)updateSharedStatus:(NSString *)status
+					  show:(NSString *)show
+				 invisible:(BOOL)invisible;
+
+- (void)refreshSharedStatus;
+
+@end
+
+@protocol XMPPGoogleSharedStatusDelegate
+
+@optional
+
+// This delegate method is called when the server updates the shared
+// status module with new status information, or upon manual refresh.
+- (void)xmppGoogleSharedStatus:(XMPPGoogleSharedStatus *)sender didReceiveUpdatedStatus:(NSDictionary *)sharedStatus;
+
+@end
diff --git a/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.m b/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.m
new file mode 100644
index 0000000..21a0768
--- /dev/null
+++ b/Extensions/GoogleSharedStatus/XMPPGoogleSharedStatus.m
@@ -0,0 +1,369 @@
+#import "XMPPGoogleSharedStatus.h"
+#import "XMPP.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define GOOGLE_SHARED_STATUS @"google:shared-status"
+#define GOOGLE_DISCO_INFO  @"http://jabber.org/protocol/disco#info"
+#define GOOGLE_PRESENCE_PRIORITY @"24"
+
+// Dictionary keys to access shared status information.
+NSString *const XMPPGoogleSharedStatusShow = @"show";
+NSString *const XMPPGoogleSharedStatusInvisible = @"invisible";
+NSString *const XMPPGoogleSharedStatusStatus = @"status";
+
+// Shared status display values. Note that you cannot set
+// a shared status for an idle show.
+NSString *const XMPPGoogleSharedStatusShowAvailable = @"default";
+NSString *const XMPPGoogleSharedStatusShowBusy = @"dnd";
+NSString *const XMPPGoogleSharedStatusShowIdle = @"away";
+
+@interface XMPPGoogleSharedStatus () {
+  
+	// Server specified maximum values.
+	NSInteger _statusListMaxCount;
+	NSInteger _statusMessageMaxLength;
+}
+
+@property (nonatomic, copy) NSString *previousShow;
+
+@end
+
+@implementation XMPPGoogleSharedStatus
+
+#pragma mark - Object Lifecycle
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue {
+	if((self = [super initWithDispatchQueue:queue])) {
+		self.sharedStatus = [NSDictionary dictionary];
+		_status = @"";
+		_show = XMPPGoogleSharedStatusShowAvailable;
+		_invisible = NO;
+		
+#ifdef _XMPP_SYSTEM_INPUT_ACTIVITY_MONITOR_H
+		self.assumeIdleUpdateResponsibility = YES;
+#endif
+	}
+	return self;
+}
+
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{	
+	if ([super activate:aXmppStream])
+	{
+		
+#ifdef _XMPP_SYSTEM_INPUT_ACTIVITY_MONITOR_H
+		[xmppStream autoAddDelegate:self
+					  delegateQueue:moduleQueue
+				   toModulesOfClass:[XMPPSystemInputActivityMonitor class]];
+#endif
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	
+#ifdef _XMPP_SYSTEM_INPUT_ACTIVITY_MONITOR_H
+	[xmppStream removeAutoDelegate:self
+					 delegateQueue:moduleQueue
+				fromModulesOfClass:[XMPPSystemInputActivityMonitor class]];
+#endif
+	
+	[super deactivate];
+}
+
+
+
+#pragma mark - Convenience Properties
+
+// Convinience single-item setters which forward status setting
+// to the more complex update method below. Use these sparingly,
+// because they have heavy load when used in succession.
+- (void)setStatus:(NSString *)status {
+	[self updateSharedStatus:status show:self.show invisible:self.invisible];
+}
+
+- (void)setShow:(NSString *)show {
+	[self updateSharedStatus:self.status show:show invisible:self.invisible];
+}
+
+- (void)setInvisible:(BOOL)invisible {
+	[self updateSharedStatus:self.status show:self.show invisible:invisible];
+}
+
+#pragma mark - Status Updates
+
+// This is a heavyweight method used to update all three attributes,
+// status, show, and invisible, at once. Use this method over the
+// convinience accessors above. Wherever possible, lessen the status
+// update load. This method refuses service if shared status is not
+// supported, removes previous statuses if the list reaches max
+// count, and cuts status strings to the max string length.
+- (void)updateSharedStatus:(NSString *)status show:(NSString *)show invisible:(BOOL)invisible {
+	if(!self.sharedStatusSupported) {
+		NSLog(@"Google Shared Status Not Supported!");
+		return;
+	}
+	
+	// Create a mutable copy of shared status information and chop the status.
+	NSMutableDictionary *sharedStatusUpdate = [self.sharedStatus mutableCopy];
+	if(status.length > _statusMessageMaxLength)
+		status = [status substringToIndex:_statusMessageMaxLength];
+	
+	// If the show has changed update it.
+	if(![show isEqualToString:sharedStatusUpdate[XMPPGoogleSharedStatusShow]]) {
+		[sharedStatusUpdate removeObjectForKey:XMPPGoogleSharedStatusShow];
+		sharedStatusUpdate[XMPPGoogleSharedStatusShow] = show;
+	}
+	
+	// Get the current show value, and whether the status should update for it.
+	BOOL displayShow = ([show isEqualToString:XMPPGoogleSharedStatusShowAvailable] ||
+						[show isEqualToString:XMPPGoogleSharedStatusShowBusy]);
+	NSString *currentShow = self.sharedStatus[XMPPGoogleSharedStatusShow];
+	
+	// Since we can't show an away status, only change the status it has
+	// changed and is not showing idle.
+	if(![status isEqualToString:sharedStatusUpdate[XMPPGoogleSharedStatusStatus]] && displayShow) {
+		[sharedStatusUpdate removeObjectForKey:XMPPGoogleSharedStatusStatus];
+		sharedStatusUpdate[XMPPGoogleSharedStatusStatus] = status;
+		
+		// Update the appropriate status list by adding the new status.
+		// If the list max count was reached, truncate its earliest status.
+		NSMutableArray *statusList = [sharedStatusUpdate[currentShow] mutableCopy];
+		[statusList insertObject:status atIndex:0];
+		if(statusList.count > _statusListMaxCount)
+			[statusList removeObjectAtIndex:statusList.count-1];
+		
+		// Remove any blank statuses.
+		for(int i = 0; i < statusList.count; i++) {
+			NSString *status = statusList[i];
+			if([status isEqualToString:@""])
+				[statusList removeObjectAtIndex:i];
+		}
+		
+		// Update the status list for this status.
+		[sharedStatusUpdate removeObjectForKey:currentShow];
+		sharedStatusUpdate[currentShow] = statusList;
+	}
+	
+	// Update the invisibility for this shared status.
+	[sharedStatusUpdate removeObjectForKey:XMPPGoogleSharedStatusInvisible];
+	sharedStatusUpdate[XMPPGoogleSharedStatusInvisible] = @(invisible);
+	
+	// Wrap it in an XMPPIQ "set" and send it to the server.
+	XMPPIQ *statusIQ = [XMPPIQ iqWithType:@"set" to:self.xmppStream.myJID.bareJID];
+	[statusIQ addAttributeWithName:@"id" stringValue:self.xmppStream.myJID.resource];
+	[statusIQ addChild:[self packSharedStatus:sharedStatusUpdate]];
+	[self.xmppStream sendElement:statusIQ];
+	
+	// Now update our local values, toll-free.
+	_show = show;
+	_status = status;
+	_invisible = invisible;
+}
+
+#pragma mark - Capability Discovery
+
+// Discover and refresh shared status as soon as authentication.
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender {
+	[self discoverCapabilities];
+	[self refreshSharedStatus];
+}
+
+// Disable support when the stream disconnects.
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error {
+	self.sharedStatus = [NSDictionary dictionary];
+	self.sharedStatusSupported = NO;
+}
+
+// First discover capabilities to find google:shared-status. If it exists,
+// we can continue with the shared status support.
+- (void)discoverCapabilities {
+	XMPPIQ *discoIQ = [XMPPIQ iqWithType:@"get" to:[XMPPJID jidWithString:@"gmail.com"]];
+	[discoIQ addChild:[XMPPElement elementWithName:@"query" xmlns:GOOGLE_DISCO_INFO]];
+	[self.xmppStream sendElement:discoIQ];
+}
+
+// Manually trigger a refresh cycle for getting shared statuses. This will
+// return an XML stanza containing status-lists and current status info.
+- (void)refreshSharedStatus {
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:self.xmppStream.myJID.bareJID];
+	[iq addAttributeWithName:@"id" stringValue:self.xmppStream.myJID.resource];
+	
+	XMPPElement *query = (XMPPElement *)[XMPPElement elementWithName:@"query" xmlns:GOOGLE_SHARED_STATUS];
+	[query addAttributeWithName:@"version" stringValue:@"2"];
+	
+	[iq addChild:query];
+	[self.xmppStream sendElement:iq];
+}
+
+// If we received a shared-status IQ and we support it, unpack it into a
+// dictionary and notify the delegates. If it is the first shared-status
+// subscription IQ, it contains the maximum string length and list count
+// information attributes as well, so save those.
+// If we received a discovery IQ, determine shared status support.
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq {
+	XMPPElement *query = (XMPPElement *) [iq children][0];
+	if([query.xmlns isEqualToString:GOOGLE_SHARED_STATUS] && self.sharedStatusSupported) {
+		self.sharedStatus = [self unpackSharedStatus:query];
+		_show = self.sharedStatus[XMPPGoogleSharedStatusShow];
+		_status = self.sharedStatus[XMPPGoogleSharedStatusStatus];
+		_invisible = [self.sharedStatus[XMPPGoogleSharedStatusInvisible] boolValue];
+		[multicastDelegate xmppGoogleSharedStatus:self didReceiveUpdatedStatus:self.sharedStatus];
+		
+		if([query attributeForName:@"status-max"])
+			_statusMessageMaxLength = [[query attributeForName:@"status-max"].stringValue integerValue];
+		if([query attributeForName:@"status-list-contents-max"])
+			_statusListMaxCount = [[query attributeForName:@"status-list-contents-max"].stringValue integerValue];
+		
+	} else if([query.xmlns isEqualToString:GOOGLE_DISCO_INFO]) {
+		for(XMPPElement *feature in query.children)
+			if([[[feature attributeForName:@"var"] stringValue] isEqualToString:GOOGLE_SHARED_STATUS])
+				self.sharedStatusSupported = YES;
+	}
+	
+	return YES;
+}
+
+#pragma mark - Packing & Unpacking
+
+// Unpacks the XMPPElement "query" for a shared status and returns
+// a formatted NSDictionary with corresponding arrays and strings.
+// The XMPPElement "query" is a child of a shared status XMPPIQ.
+- (NSDictionary *)unpackSharedStatus:(XMPPElement *)sharedStatus {
+	if([sharedStatus.xmlns isEqualToString:GOOGLE_SHARED_STATUS]) {
+		NSMutableDictionary *dict = [NSMutableDictionary dictionary];
+		
+		for(XMPPElement *element in sharedStatus.children) {
+			if([element.name isEqualToString:@"status-list"]) {
+				NSMutableArray *array = [NSMutableArray array];
+				for(XMPPElement *status in element.children)
+					[array addObject:[status stringValue]];
+				dict[[[element attributeForName:XMPPGoogleSharedStatusShow] stringValue]] = array;
+			} else if([element.name isEqualToString:XMPPGoogleSharedStatusStatus]) {
+				dict[element.name] = [element stringValue];
+			} else if([element.name isEqualToString:XMPPGoogleSharedStatusShow]) {
+				dict[element.name] = [element stringValue];
+			} else if([element.name isEqualToString:XMPPGoogleSharedStatusInvisible]) {
+				dict[element.name] = @([[[element attributeForName:@"value"] stringValue] boolValue]);
+			} else {
+				NSLog(@"Missed element: %@", element);
+			}
+		}
+		
+		return dict;
+	}
+	return nil;
+}
+
+// Packs a formatted NSDictionary with corresponding arrays and strings
+// back into an XMPPElement "query" for shared status. This must be
+// further wrapped in an XMPPIQ to send a status update.
+- (XMPPElement *)packSharedStatus:(NSDictionary *)sharedStatus {
+	XMPPElement *element = (XMPPElement *)[XMPPElement elementWithName:@"query" xmlns:GOOGLE_SHARED_STATUS];
+	[element addAttributeWithName:@"version" stringValue:@"2"];
+	
+	[element addChild:[XMPPElement elementWithName:XMPPGoogleSharedStatusStatus
+                                     stringValue:sharedStatus[XMPPGoogleSharedStatusStatus]]];
+	[element addChild:[XMPPElement elementWithName:XMPPGoogleSharedStatusShow
+                                     stringValue:sharedStatus[XMPPGoogleSharedStatusShow]]];
+	
+	for(NSString *key in sharedStatus.allKeys.reverseObjectEnumerator) {
+		if([key isEqualToString:XMPPGoogleSharedStatusShowAvailable] ||
+		   [key isEqualToString:XMPPGoogleSharedStatusShowBusy]) {
+			
+			NSArray *statusList = sharedStatus[key];
+			XMPPElement *statusElement = [XMPPElement elementWithName:@"status-list"];
+			[statusElement addAttributeWithName:@"show" stringValue:key];
+			
+			for(NSString *status in statusList)
+				[statusElement addChild:[XMPPElement elementWithName:@"status" stringValue:status]];
+			[element addChild:statusElement];
+		} else if(!([key isEqualToString:XMPPGoogleSharedStatusInvisible] ||
+					[key isEqualToString:XMPPGoogleSharedStatusShow] ||
+					[key isEqualToString:XMPPGoogleSharedStatusStatus])) {
+			NSLog(@"Invalid element: %@", key);
+		}
+	}
+	
+	XMPPElement *invisible = [XMPPElement elementWithName:XMPPGoogleSharedStatusInvisible];
+	[invisible addAttributeWithName:@"value"
+						stringValue:[sharedStatus[XMPPGoogleSharedStatusInvisible] boolValue] ? @"true" : @"false"];
+	[element addChild:invisible];
+	
+	return element;
+}
+
+#pragma mark - Other Properties
+
+- (void)setAssumeIdleUpdateResponsibility:(BOOL)flag {
+	_assumeIdleUpdateResponsibility = flag;
+}
+
+- (void)setStatusAvailability:(NSString *)statusAvailability {
+	_statusAvailability = statusAvailability;
+	
+	XMPPPresence *presence = [XMPPPresence presence];
+    [presence addChild:[XMPPElement elementWithName:@"priority" stringValue:GOOGLE_PRESENCE_PRIORITY]];
+    XMPPElement *show = [XMPPElement elementWithName:@"show"];
+    XMPPElement *status = [XMPPElement elementWithName:@"status"];
+	
+	if(self.statusAvailability) {
+		[show setStringValue:self.statusAvailability];
+		[presence addChild:show];
+	}
+	
+	if(self.statusMessage) {
+		[status setStringValue:self.statusMessage];
+		[presence addChild:status];
+	}
+	
+    [self.xmppStream sendElement:presence];
+}
+
+- (void)setStatusMessage:(NSString *)statusMessage {
+	_statusMessage = statusMessage;
+	
+	XMPPPresence *presence = [XMPPPresence presence];
+    XMPPElement *show = [XMPPElement elementWithName:@"show"];
+    XMPPElement *status = [XMPPElement elementWithName:@"status"];
+	
+	if(self.statusAvailability) {
+		[show setStringValue:self.statusAvailability];
+		[presence addChild:show];
+	}
+	
+	if(self.statusMessage) {
+		[status setStringValue:self.statusMessage];
+		[presence addChild:status];
+	}
+	
+    [self.xmppStream sendElement:presence];
+}
+
+#ifdef _XMPP_SYSTEM_INPUT_ACTIVITY_MONITOR_H
+
+#pragma mark - XMPP System Input Activity Monitor Delegate
+
+- (void)xmppSystemInputActivityMonitorDidBecomeActive:(XMPPSystemInputActivityMonitor *)xmppSystemInputActivityMonitor
+{
+	self.show = self.previousShow;
+}
+
+- (void)xmppSystemInputActivityMonitorDidBecomeInactive:(XMPPSystemInputActivityMonitor *)xmppSystemInputActivityMonitor
+{
+	self.previousShow = self.show;
+	self.show = XMPPGoogleSharedStatusShowIdle;
+}
+
+#endif
+
+@end
diff --git a/Extensions/ProcessOne/XMPPProcessOne.h b/Extensions/ProcessOne/XMPPProcessOne.h
new file mode 100644
index 0000000..7e4eb1e
--- /dev/null
+++ b/Extensions/ProcessOne/XMPPProcessOne.h
@@ -0,0 +1,117 @@
+#import <Foundation/Foundation.h>
+#import "XMPPSASLAuthentication.h"
+#import "XMPPStream.h"
+#import "XMPPModule.h"
+
+@class XMPPRebindAuthentication;
+
+
+/**
+ * Process One has a proprietary module they sell for ejabberd that enables several
+ * features such as push notifications and fast reconnect.
+ * 
+ * This file implements the client side functionality for XMPPFramework.
+**/
+@interface XMPPProcessOne : XMPPModule
+
+/**
+ * Once a connection is authenticated, the module automatically stores the session ID and related JID.
+ * The information is stored in the user defaults system, thus it is persisted across launches of the application.
+ * 
+ * If the session information is available, and the server supports rebind, fast reconnect may be possible.
+**/
+@property (strong, readwrite) NSString *savedSessionID;
+@property (strong, readwrite) XMPPJID *savedSessionJID;
+@property (strong, readwrite) NSDate *savedSessionDate;
+
+/**
+ * Push Mode Configuration.
+ * Options are detailed in the documentation from ejabberd.
+ * 
+ * An example of a pushConfiguration element you would set:
+ * 
+ * <push xmlns='p1:push'>
+ *    <keepalive max='30'/>
+ *    <session duration='60'/>
+ *    <body send='all' groupchat='true' from='jid'/>
+ *    <status type='xa'>Text Message when in push mode</status>
+ *    <offline>false</offline>
+ *    <notification>
+ *        <type>applepush</type>
+ *        <id>DeviceToken</id>
+ *    </notification>
+ *    <appid>application1</appid>
+ * </push>
+ * 
+ * To enable Apple Push on the ejabberd server, you must set the pushConfiguration element.
+ * 
+ * You may set the pushConfiguration element at any time.
+ * If you set it after the xmpp stream has already authenticated, then the push settings will be sent right away.
+ * Otherwise, the push settings will be sent as soon as the stream is authenticated.
+ * 
+ * After the pushConfiguration element has been set, you can change it at any time.
+ * If you do, it will send the updated configuration options to the server.
+ * 
+ * To disable push, you can simply set the pushConfiguration to nil.
+ * 
+ * @see pushConfigurationContainer
+**/
+@property (readwrite, strong) NSXMLElement *pushConfiguration;
+
+/**
+ * Standby Mode.
+ * The following methods allow you to switch on/off standby mode.
+ * 
+ * Typical use case looks like this:
+ * 
+ * - (void)applicationWillResignActive:(NSNotification *)notification
+ * {
+ *     // Send standby element (via normal asynchronous mechanism)
+ *     XMPPElementReceipt *receipt = [xmppProcessOne goOnStandby];
+ *     
+ *     // Wait until standby element gets sent (pumped through dispatch queues and into OS socket buffer)
+ *     [receipt wait:-1.0];
+ * }
+ * 
+ * - (void)applicationDidBecomeActive:(NSNotification *)notification
+ * {
+ *     [xmppProcessOne goOffStandby];
+ * }
+**/
+- (XMPPElementReceipt *)goOnStandby;
+- (XMPPElementReceipt *)goOffStandby;
+
+/**
+ * Methods to help create the pushConfiguration required to enable anything on the server.
+**/
+
++ (NSXMLElement *)pushConfigurationContainer;
+
++ (NSXMLElement *)keepaliveWithMax:(NSTimeInterval)max;
++ (NSXMLElement *)sessionWithDuration:(NSTimeInterval)duration;
++ (NSXMLElement *)statusWithType:(NSString *)type message:(NSString *)message;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPRebindAuthentication : NSObject <XMPPSASLAuthentication>
+
+- (id)initWithStream:(XMPPStream *)stream sessionID:(NSString *)sessionID sessionJID:(XMPPJID *)sessionJID;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPProcessOne)
+
+- (BOOL)supportsPush;
+- (BOOL)supportsRebind;
+
+- (NSString *)rebindSessionID;
+
+@end
diff --git a/Extensions/ProcessOne/XMPPProcessOne.m b/Extensions/ProcessOne/XMPPProcessOne.m
new file mode 100644
index 0000000..a5d003b
--- /dev/null
+++ b/Extensions/ProcessOne/XMPPProcessOne.m
@@ -0,0 +1,418 @@
+#import "XMPPProcessOne.h"
+#import "XMPP.h"
+#import "XMPPInternal.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+NSString *const XMPPProcessOneSessionID = @"XMPPProcessOneSessionID";
+NSString *const XMPPProcessOneSessionJID = @"XMPPProcessOneSessionJID";
+NSString *const XMPPProcessOneSessionDate = @"XMPPProcessOneSessionDate";
+
+@interface XMPPProcessOne ()
+{
+	NSXMLElement *pushConfiguration;
+	BOOL pushConfigurationSent;
+	BOOL pushConfigurationConfirmed;
+	NSString *pushIQID;
+}
+
+- (void)sendPushConfiguration;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPProcessOne
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:NULL]))
+	{
+		pushConfiguration = nil;
+		pushConfigurationSent = YES;
+		pushConfigurationConfirmed = YES;
+	}
+	return self;
+}
+
+- (NSString *)savedSessionID
+{
+	return [[NSUserDefaults standardUserDefaults] stringForKey:XMPPProcessOneSessionID];
+}
+
+- (void)setSavedSessionID:(NSString *)savedSessionID
+{
+	if (savedSessionID)
+		[[NSUserDefaults standardUserDefaults] setObject:savedSessionID forKey:XMPPProcessOneSessionID];
+	else
+		[[NSUserDefaults standardUserDefaults] removeObjectForKey:XMPPProcessOneSessionID];
+}
+
+- (XMPPJID *)savedSessionJID
+{
+	NSString *sessionJidStr = [[NSUserDefaults standardUserDefaults] stringForKey:XMPPProcessOneSessionJID];
+	
+	return [XMPPJID jidWithString:sessionJidStr];
+}
+
+- (void)setSavedSessionJID:(XMPPJID *)savedSessionJID
+{
+	NSString *sessionJidStr = [savedSessionJID full];
+	
+	if (sessionJidStr)
+		[[NSUserDefaults standardUserDefaults] setObject:sessionJidStr forKey:XMPPProcessOneSessionJID];
+	else
+		[[NSUserDefaults standardUserDefaults] removeObjectForKey:XMPPProcessOneSessionJID];
+}
+
+- (NSDate *)savedSessionDate
+{
+	return [[NSUserDefaults standardUserDefaults] objectForKey:XMPPProcessOneSessionDate];
+}
+
+- (void)setSavedSessionDate:(NSDate *)savedSessionDate
+{
+	if (savedSessionDate)
+		[[NSUserDefaults standardUserDefaults] setObject:savedSessionDate forKey:XMPPProcessOneSessionDate];
+	else
+		[[NSUserDefaults standardUserDefaults] removeObjectForKey:XMPPProcessOneSessionDate];
+}
+
+- (NSXMLElement *)pushConfiguration
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return pushConfiguration;
+	}
+	else
+	{
+		__block NSXMLElement *result = nil;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = [pushConfiguration copy];
+		});
+		
+		return result;
+	}
+}
+
+- (void)setPushConfiguration:(NSXMLElement *)pushConfig
+{
+	NSXMLElement *newPushConfiguration = [pushConfig copy];
+	
+	dispatch_block_t block = ^{
+		
+		if (pushConfiguration == nil && newPushConfiguration == nil)
+		{
+			return;
+		}
+		
+		pushConfiguration = newPushConfiguration;
+		pushConfigurationSent = NO;
+		pushConfigurationConfirmed = NO;
+		
+		if ([xmppStream isAuthenticated])
+		{
+			[self sendPushConfiguration];
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)sendPushConfiguration
+{
+	if (pushConfiguration)
+	{
+		pushIQID = [XMPPStream generateUUID];
+		NSXMLElement *push = [pushConfiguration copy];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:pushIQID child:push];
+		
+		[xmppStream sendElement:iq];
+		pushConfigurationSent = YES;
+	}
+	else
+	{
+		// <iq type='set'>
+		//   <disable xmlns='p1:push'>
+		// </iq>
+		
+		NSXMLElement *disable = [NSXMLElement elementWithName:@"disable" xmlns:@"p1:push"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" child:disable];
+		
+		[xmppStream sendElement:iq];
+		pushConfigurationSent = YES;
+	}
+}
+
+- (XMPPElementReceipt *)goOnStandby
+{
+	// <standby>true</standby>
+	
+	NSXMLElement *standby = [NSXMLElement elementWithName:@"standby" stringValue:@"true"];
+	
+	XMPPElementReceipt *receipt = nil;
+	[xmppStream sendElement:standby andGetReceipt:&receipt];
+		
+	return receipt;
+}
+
+- (XMPPElementReceipt *)goOffStandby
+{
+	// <standby>false</standby>
+	
+	NSXMLElement *standby = [NSXMLElement elementWithName:@"standby" stringValue:@"false"];
+	
+	XMPPElementReceipt *receipt = nil;
+	[xmppStream sendElement:standby andGetReceipt:&receipt];
+	
+	return receipt;
+}
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	if (!pushConfigurationSent)
+	{
+		[self sendPushConfiguration];
+	}
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	if (pushConfigurationConfirmed)
+	{
+		self.savedSessionDate = [[NSDate alloc] init];
+	}
+	else
+	{
+		// The pushConfiguration was sent to the server, but we never received a confirmation.
+		// So either the pushConfiguration never made it to the server,
+		// or we got disconnected before we received the confirmation from the server.
+		// 
+		// To be sure, we need to resent the pushConfiguration next time we authenticate.
+		
+		pushConfigurationSent = NO;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration Elements
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSXMLElement *)pushConfigurationContainer
+{
+	return [NSXMLElement elementWithName:@"push" xmlns:@"p1:push"];
+}
+
++ (NSXMLElement *)keepaliveWithMax:(NSTimeInterval)max
+{
+	// keepalive is the max interval between keepalive events received by server
+	// before going out of reception (in seconds)
+	
+	NSString *maxStr = [NSString stringWithFormat:@"%.0f", max];
+	
+	NSXMLElement *keepalive = [NSXMLElement elementWithName:@"keepalive"];
+	[keepalive addAttributeWithName:@"max" stringValue:maxStr];
+	
+	return keepalive;
+}
+
++ (NSXMLElement *)sessionWithDuration:(NSTimeInterval)durationInSeconds
+{
+	// session is the max time the session is kept before automatically
+	// closing the session while in push mode (in minutes).
+	// 
+	// Max session is 24 hours.
+	// Server can decide to force the session close anyway, if the message queue is getting large.
+	
+	double durationInMinutes = durationInSeconds / 60.0;
+	
+	NSString *durationStr = [NSString stringWithFormat:@"%.0f", durationInMinutes];
+	
+	NSXMLElement *session = [NSXMLElement elementWithName:@"session"];
+	[session addAttributeWithName:@"duration" stringValue:durationStr];
+	
+	return session;
+}
+
++ (NSXMLElement *)statusWithType:(NSString *)type message:(NSString *)message
+{
+	// status (optional) is the XMPP status the user should appear in,
+	// and the message when the XMPP session is not linked to a TCP connection.
+	// 
+	// If omittted, the presence and status is not change when going into disconnected opened session.
+	
+	NSXMLElement *status = [NSXMLElement elementWithName:@"status"];
+	
+	if (type)
+		[status addAttributeWithName:@"type" stringValue:type];
+	
+	if (message)
+		[status setStringValue:message];
+	
+	return status;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRebindAuthentication
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPStream *xmppStream;
+  #else
+	__unsafe_unretained XMPPStream *xmppStream;
+  #endif
+	
+	NSString *sessionID;
+	XMPPJID *sessionJID;
+}
+
++ (NSString *)mechanismName
+{
+	return nil;
+}
+
+- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+	}
+	return self;
+}
+
+- (id)initWithStream:(XMPPStream *)stream sessionID:(NSString *)aSessionID sessionJID:(XMPPJID *)aSessionJID
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+		sessionID = aSessionID;
+		sessionJID = aSessionJID;
+	}
+	return self;
+}
+
+- (BOOL)start:(NSError **)errPtr
+{
+	if (!sessionID || !sessionJID)
+	{
+		NSString *errMsg = @"Missing sessionID and/or sessionJID.";
+		NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
+		
+		NSError *err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamInvalidState userInfo:info];
+		
+		if (errPtr) *errPtr = err;
+		return NO;
+	}
+	
+	// <rebind xmlns="p1:rebind">
+	//   <jid>user@domain/resource</jid>
+	//   <sid>123456789</sid>
+	// </rebind>
+	
+	NSXMLElement *jid = [NSXMLElement elementWithName:@"jid" stringValue:[sessionJID full]];
+	NSXMLElement *sid = [NSXMLElement elementWithName:@"sid" stringValue:sessionID];
+	
+	NSXMLElement *rebind = [NSXMLElement elementWithName:@"rebind" xmlns:@"p1:rebind"];
+	[rebind addChild:jid];
+	[rebind addChild:sid];
+	
+	[xmppStream sendAuthElement:rebind];
+	return YES;
+}
+
+- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)response
+{
+	if ([[response name] isEqualToString:@"rebind"])
+	{
+		return XMPP_AUTH_SUCCESS;
+	}
+	else
+	{
+		return XMPP_AUTH_FAIL;
+	}
+}
+
+- (BOOL)shouldResendOpeningNegotiationAfterSuccessfulAuthentication
+{
+	return NO;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPProcessOne)
+
+- (BOOL)supportsPush
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (self.state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [self.rootElement elementForName:@"stream:features"];
+			NSXMLElement *push = [features elementForName:@"push" xmlns:@"p1:push"];
+			
+			result = (push != nil);
+		}
+	}};
+
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+- (BOOL)supportsRebind
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried anytime after the
+		// stream:features are received, and TLS has been setup (if required)
+		if (self.state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [self.rootElement elementForName:@"stream:features"];
+			NSXMLElement *rebind = [features elementForName:@"rebind" xmlns:@"p1:rebind"];
+			
+			result = (rebind != nil);
+		}
+	}};
+	
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+- (NSString *)rebindSessionID
+{
+	return [[self rootElement] attributeStringValueForName:@"id"];
+}
+
+@end
diff --git a/Extensions/Reconnect/XMPPReconnect.h b/Extensions/Reconnect/XMPPReconnect.h
new file mode 100644
index 0000000..b13d190
--- /dev/null
+++ b/Extensions/Reconnect/XMPPReconnect.h
@@ -0,0 +1,183 @@
+#import <Foundation/Foundation.h>
+#import <SystemConfiguration/SystemConfiguration.h>
+#import "XMPPModule.h"
+
+#define _XMPP_RECONNECT_H
+
+#define DEFAULT_XMPP_RECONNECT_DELAY 2.0
+
+#define DEFAULT_XMPP_RECONNECT_TIMER_INTERVAL 20.0
+
+
+@protocol XMPPReconnectDelegate;
+
+/**
+ * XMPPReconnect handles automatically reconnecting to the xmpp server due to accidental disconnections.
+ * That is, a disconnection that is not the result of calling disconnect on the xmpp stream.
+ * 
+ * Accidental disconnections may happen for a variety of reasons.
+ * The most common are general connectivity issues such as disconnection from a WiFi access point.
+ * 
+ * However, there are several of issues that occasionaly occur.
+ * There are some routers on the market that disconnect TCP streams after a period of inactivity.
+ * In addition to this, there have been iPhone revisions where the OS networking stack would pull the same crap.
+ * These issue have been largely overcome due to the keepalive implementation in XMPPStream.
+ * 
+ * Regardless of how the disconnect happens, the XMPPReconnect class can help to automatically re-establish
+ * the xmpp stream so as to have minimum impact on the user (and hopefully they don't even notice).
+ * 
+ * Once a stream has been opened and authenticated, this class will detect any accidental disconnections.
+ * If one occurs, an attempt will be made to automatically reconnect after a short delay.
+ * This delay is configurable via the reconnectDelay property.
+ * At the same time the class will begin monitoring the network for reachability changes.
+ * When the reachability of the xmpp host has changed, a reconnect may be tried again.
+ * In addition to all this, a timer may optionally be used to attempt a reconnect periodically.
+ * The timer is started if the initial reconnect fails.
+ * This reconnect timer is fully configurable (may be enabled/disabled, and it's timeout may be changed).
+ * 
+ * In all cases, prior to attempting a reconnect,
+ * this class will invoke the shouldAttemptAutoReconnect delegate method.
+ * The delegate may use this opportunity to optionally decline the auto reconnect attempt.
+ * 
+ * Auto reconnect may be disabled at any time via the autoReconnect property.
+ * 
+ * Note that auto reconnect will only occur for a stream that has been opened and authenticated.
+ * So it will do nothing, for example, if there is no internet connectivity when your application
+ * first launches, and the xmpp stream is unable to connect to the host.
+ * In cases such as this it may be desireable to start monitoring the network for reachability changes.
+ * This way when internet connectivity is restored, one can immediately connect the xmpp stream.
+ * This is possible via the manualStart method,
+ * which will trigger the class into action just as if an accidental disconnect occurred.
+**/
+
+@interface XMPPReconnect : XMPPModule
+{
+	Byte flags;
+	Byte config;
+	NSTimeInterval reconnectDelay;
+	
+	dispatch_source_t reconnectTimer;
+	NSTimeInterval reconnectTimerInterval;
+	
+	SCNetworkReachabilityRef reachability;
+	
+	int reconnectTicket;
+	
+#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
+	SCNetworkConnectionFlags previousReachabilityFlags;
+#else
+	SCNetworkReachabilityFlags previousReachabilityFlags;
+#endif
+}
+
+/**
+ * Whether auto reconnect is enabled or disabled.
+ * 
+ * The default value is YES (enabled).
+ * 
+ * Note: Altering this property will only affect future accidental disconnections.
+ * For example, if autoReconnect was true, and you disable this property after an accidental disconnection,
+ * this will not stop the current reconnect process.
+ * In order to stop a current reconnect process use the stop method.
+ * 
+ * Similarly, if autoReconnect was false, and you enable this property after an accidental disconnection,
+ * this will not start a reconnect process.
+ * In order to start a reconnect process use the manualStart method.
+**/
+@property (nonatomic, assign) BOOL autoReconnect;
+
+/**
+ * When the accidental disconnection first happens,
+ * a short delay may be used before attempting the reconnection.
+ * 
+ * The default value is DEFAULT_XMPP_RECONNECT_DELAY (defined at the top of this file).
+ * 
+ * To disable this feature, set the value to zero.
+ * 
+ * Note: NSTimeInterval is a double that specifies the time in seconds.
+**/
+@property (nonatomic, assign) NSTimeInterval reconnectDelay;
+
+/**
+ * A reconnect timer may optionally be used to attempt a reconnect periodically.
+ * The timer will be started after the initial reconnect delay.
+ * 
+ * The default value is DEFAULT_XMPP_RECONNECT_TIMER_INTERVAL (defined at the top of this file).
+ * 
+ * To disable this feature, set the value to zero.
+ * 
+ * Note: NSTimeInterval is a double that specifies the time in seconds.
+**/
+@property (nonatomic, assign) NSTimeInterval reconnectTimerInterval;
+
+/**
+ * Whether you want to reconnect using the legacy method -[XMPPStream oldSchoolSecureConnectWithTimeout:error:]
+ * instead of the standard -[XMPPStream connect:].
+ *
+ * If you initially connect using -oldSchoolSecureConnectWithTimeout:error:, set this to YES to reconnect the same way.
+ *
+ * The default value is NO (disabled).
+ */
+@property (nonatomic, assign) BOOL usesOldSchoolSecureConnect;
+
+/**
+ * As opposed to using autoReconnect, this method may be used to manually start the reconnect process.
+ * This may be useful, for example, if one needs network monitoring in order to setup the inital xmpp connection.
+ * Or if one wants autoReconnect but only in very limited situations which they prefer to control manually.
+ * 
+ * After invoking this method one can expect the class to act as if an accidental disconnect just occurred.
+ * That is, a reconnect attempt will be tried after reconnectDelay seconds,
+ * and the class will begin monitoring the network for changes in reachability to the xmpp host.
+ * 
+ * A manual start of the reconnect process will effectively end once the xmpp stream has been opened.
+ * That is, if you invoke manualStart and the xmpp stream is later opened,
+ * then future disconnections will not result in an auto reconnect process (unless the autoReconnect property applies).
+ * 
+ * This method does nothing if the xmpp stream is not disconnected.
+**/
+- (void)manualStart;
+
+/**
+ * Stops the current reconnect process.
+ * 
+ * This method will stop the current reconnect process regardless of whether the
+ * reconnect process was started due to the autoReconnect property or due to a call to manualStart.
+ * 
+ * Stopping the reconnect process does NOT prevent future auto reconnects if the property is enabled.
+ * That is, if the autoReconnect property is still enabled, and the xmpp stream is later opened, authenticated and
+ * accidentally disconnected, this class will still attempt an automatic reconnect.
+ * 
+ * Stopping the reconnect process does NOT prevent future calls to manualStart from working.
+ * 
+ * It only stops the CURRENT reconnect process.
+**/
+- (void)stop;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPReconnectDelegate
+@optional
+
+/**
+ * This method may be used to fine tune when we
+ * should and should not attempt an auto reconnect.
+ * 
+ * For example, if on the iPhone, one may want to prevent auto reconnect when WiFi is not available.
+**/
+#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
+
+- (void)xmppReconnect:(XMPPReconnect *)sender didDetectAccidentalDisconnect:(SCNetworkConnectionFlags)connectionFlags;
+- (BOOL)xmppReconnect:(XMPPReconnect *)sender shouldAttemptAutoReconnect:(SCNetworkConnectionFlags)connectionFlags;
+
+#else
+
+- (void)xmppReconnect:(XMPPReconnect *)sender didDetectAccidentalDisconnect:(SCNetworkReachabilityFlags)connectionFlags;
+- (BOOL)xmppReconnect:(XMPPReconnect *)sender shouldAttemptAutoReconnect:(SCNetworkReachabilityFlags)reachabilityFlags;
+
+#endif
+
+@end
diff --git a/Extensions/Reconnect/XMPPReconnect.m b/Extensions/Reconnect/XMPPReconnect.m
new file mode 100644
index 0000000..f8dbed4
--- /dev/null
+++ b/Extensions/Reconnect/XMPPReconnect.m
@@ -0,0 +1,651 @@
+#import "XMPPReconnect.h"
+#import "XMPPStream.h"
+#import "XMPPLogging.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define IMPOSSIBLE_REACHABILITY_FLAGS 0xFFFFFFFF
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+enum XMPPReconnectFlags
+{
+	kShouldReconnect   = 1 << 0,  // If set, disconnection was accidental, and autoReconnect may be used
+	kMultipleChanges   = 1 << 1,  // If set, there have been reachability changes during a connection attempt
+	kManuallyStarted   = 1 << 2,  // If set, we were started manually via manualStart method
+	kQueryingDelegates = 1 << 3,  // If set, we are awaiting response(s) from the delegate(s)
+};
+
+enum XMPPReconnectConfig
+{
+	kAutoReconnect     = 1 << 0,  // If set, automatically attempts to reconnect after a disconnection
+};
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5 && !TARGET_OS_IPHONE
+// SCNetworkConnectionFlags was renamed to SCNetworkReachabilityFlags in 10.6
+typedef SCNetworkConnectionFlags SCNetworkReachabilityFlags;
+#endif
+
+@interface XMPPReconnect (PrivateAPI)
+
+- (void)setupReconnectTimer;
+- (void)teardownReconnectTimer;
+
+- (void)setupNetworkMonitoring;
+- (void)teardownNetworkMonitoring;
+
+- (void)maybeAttemptReconnect;
+- (void)maybeAttemptReconnectWithTicket:(int)ticket;
+- (void)maybeAttemptReconnectWithReachabilityFlags:(SCNetworkReachabilityFlags)reachabilityFlags;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPReconnect
+
+@dynamic    autoReconnect;
+@synthesize reconnectDelay;
+@synthesize reconnectTimerInterval;
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		flags = 0;
+		config = kAutoReconnect;
+		
+		reconnectDelay = DEFAULT_XMPP_RECONNECT_DELAY;
+		reconnectTimerInterval = DEFAULT_XMPP_RECONNECT_TIMER_INTERVAL;
+		
+		reconnectTicket = 0;
+		
+		previousReachabilityFlags = IMPOSSIBLE_REACHABILITY_FLAGS;
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	dispatch_block_t block = ^{
+		[self teardownReconnectTimer];
+		[self teardownNetworkMonitoring];
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration and Flags
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoReconnect
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kAutoReconnect) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoReconnect:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		if (flag)
+			config |= kAutoReconnect;
+		else
+			config &= ~kAutoReconnect;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)shouldReconnect
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	return (flags & kShouldReconnect) ? YES : NO;
+}
+
+- (void)setShouldReconnect:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	if (flag)
+		flags |= kShouldReconnect;
+	else
+		flags &= ~kShouldReconnect;
+}
+
+- (BOOL)multipleReachabilityChanges
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	return (flags & kMultipleChanges) ? YES : NO;
+}
+
+- (void)setMultipleReachabilityChanges:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	if (flag)
+		flags |= kMultipleChanges;
+	else
+		flags &= ~kMultipleChanges;
+}
+
+- (BOOL)manuallyStarted
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	return (flags & kManuallyStarted) ? YES : NO;
+}
+
+- (void)setManuallyStarted:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	if (flag)
+		flags |= kManuallyStarted;
+	else
+		flags &= ~kManuallyStarted;
+}
+
+- (BOOL)queryingDelegates
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	return (flags & kQueryingDelegates) ? YES : NO;
+}
+
+- (void)setQueryingDelegates:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked private method outside moduleQueue");
+	
+	if (flag)
+		flags |= kQueryingDelegates;
+	else
+		flags &= ~kQueryingDelegates;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Manual Manipulation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)manualStart
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([xmppStream isDisconnected] && [self manuallyStarted] == NO)
+		{
+			[self setManuallyStarted:YES];
+			
+			[self setupReconnectTimer];
+			[self setupNetworkMonitoring];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)stop
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Clear all flags to disable any further reconnect attemts regardless of the state we're in.
+		
+		flags = 0;
+		
+		// Stop any planned reconnect attempts and stop monitoring the network.
+		
+		reconnectTicket++;
+		
+		[self teardownReconnectTimer];
+		[self teardownNetworkMonitoring];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidConnect:(XMPPStream *)sender
+{
+	// This method is executed on our moduleQueue.
+	
+	// The stream is up so we can stop our reconnect attempts now.
+	// 
+	// We essentially want to do the same thing as the stop method with one exception:
+	// We do not want to clear the shouldReconnect flag.
+	// 
+	// Remember the shouldReconnect flag gets set upon authentication.
+	// A combination of this flag and the autoReconnect flag controls the auto reconnect mechanism.
+	// 
+	// It is possible for us to get accidentally disconnected after
+	// the stream opens but prior to authentication completing.
+	// If this happens we still want to abide by the previous shouldReconnect setting.
+	
+	[self setMultipleReachabilityChanges:NO];
+	[self setManuallyStarted:NO];
+	
+	reconnectTicket++;
+	
+	[self teardownReconnectTimer];
+	[self teardownNetworkMonitoring];
+}
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	// This method is executed on our moduleQueue.
+	
+	// We're now connected and properly authenticated.
+	// Should we get accidentally disconnected we should automatically reconnect (if autoReconnect is set).
+	[self setShouldReconnect:YES];
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveError:(NSXMLElement *)element
+{
+	// This method is executed on our moduleQueue.
+	
+	// <stream:error>
+	//   <conflict xmlns="urn:ietf:params:xml:ns:xmpp-streams"/>
+	//   <text xmlns="urn:ietf:params:xml:ns:xmpp-streams" xml:lang="">Replaced by new connection</text>
+	// </stream:error>
+	// 
+	// If our connection ever gets replaced, we shouldn't attempt a reconnect,
+	// because the user has logged in on another device.
+	// If we still applied the reconnect logic,
+	// the two devices may get into an infinite loop of kicking each other off the system.
+	
+	NSString *elementName = [element name];
+	
+	if ([elementName isEqualToString:@"stream:error"] || [elementName isEqualToString:@"error"])
+	{
+		NSXMLElement *conflict = [element elementForName:@"conflict" xmlns:@"urn:ietf:params:xml:ns:xmpp-streams"];
+		if (conflict)
+		{
+			[self setShouldReconnect:NO];
+		}
+	}
+}
+
+- (void)xmppStreamWasToldToDisconnect:(XMPPStream *)sender
+{
+	// This method is executed on our moduleQueue.
+	
+	// We should not automatically attempt to reconnect when the connection closes.
+	[self stop];
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	// This method is executed on our moduleQueue.
+	
+	if ([self autoReconnect] && [self shouldReconnect])
+	{
+		[self setupReconnectTimer];
+		[self setupNetworkMonitoring];
+		
+		SCNetworkReachabilityFlags reachabilityFlags = 0;
+		SCNetworkReachabilityGetFlags(reachability, &reachabilityFlags);
+		
+		[multicastDelegate xmppReconnect:self didDetectAccidentalDisconnect:reachabilityFlags];
+	}
+	
+	if ([self multipleReachabilityChanges])
+	{
+		// While the previous connection attempt was in progress, the reachability of the xmpp host changed.
+		// This means that while the previous attempt failed, an attempt now might succeed.
+		
+		int ticket = ++reconnectTicket;
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (0.1 * NSEC_PER_SEC));
+		dispatch_after(tt, moduleQueue, ^{ @autoreleasepool {
+			
+			[self maybeAttemptReconnectWithTicket:ticket];
+			
+		}});
+		
+		// Note: We delay the method call.
+		// This allows the other delegates to be notified of the closed stream prior to our reconnect attempt.
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Reachability
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+static void XMPPReconnectReachabilityCallback(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void *info)
+{
+	@autoreleasepool {
+	
+		XMPPReconnect *instance = (__bridge XMPPReconnect *)info;
+		[instance maybeAttemptReconnectWithReachabilityFlags:flags];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Logic
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setupReconnectTimer
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (reconnectTimer == NULL)
+	{
+		if ((reconnectDelay <= 0.0) && (reconnectTimerInterval <= 0.0))
+		{
+			// All timed reconnect attempts are disabled
+			return;
+		}
+		
+		reconnectTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+		
+		dispatch_source_set_event_handler(reconnectTimer, ^{ @autoreleasepool {
+			
+			[self maybeAttemptReconnect];
+			
+		}});
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theReconnectTimer = reconnectTimer;
+		
+		dispatch_source_set_cancel_handler(reconnectTimer, ^{
+			XMPPLogVerbose(@"dispatch_release(reconnectTimer)");
+			dispatch_release(theReconnectTimer);
+		});
+		#endif
+		
+		dispatch_time_t startTime;
+		if (reconnectDelay > 0.0)
+			startTime = dispatch_time(DISPATCH_TIME_NOW, (reconnectDelay * NSEC_PER_SEC));
+		else
+			startTime = dispatch_time(DISPATCH_TIME_NOW, (reconnectTimerInterval * NSEC_PER_SEC));
+		
+		uint64_t intervalTime;
+		if (reconnectTimerInterval > 0.0)
+			intervalTime = reconnectTimerInterval * NSEC_PER_SEC;
+		else
+			intervalTime = 0.0;
+		
+		dispatch_source_set_timer(reconnectTimer, startTime, intervalTime, 0.25);
+		dispatch_resume(reconnectTimer);
+	}
+}
+
+- (void)teardownReconnectTimer
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (reconnectTimer)
+	{
+		dispatch_source_cancel(reconnectTimer);
+		reconnectTimer = NULL;
+	}
+}
+
+- (void)setupNetworkMonitoring
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (reachability == NULL)
+	{
+		NSString *domain = xmppStream.hostName;
+		if (domain == nil)
+		{
+			domain = @"apple.com";
+		}
+		
+		reachability = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, [domain UTF8String]);
+		
+		if (reachability)
+		{
+			SCNetworkReachabilityContext context = {0, (__bridge void *)(self), NULL, NULL, NULL};
+			SCNetworkReachabilitySetCallback(reachability, XMPPReconnectReachabilityCallback, &context);
+			
+			if (moduleQueue)
+			{
+                SCNetworkReachabilitySetDispatchQueue(reachability,moduleQueue);
+			}
+			else
+			{
+                XMPPLogWarn(@"%@: %@ - No xmpp moduleQueue!", THIS_FILE, THIS_METHOD);
+			}
+		}
+	}
+}
+
+- (void)teardownNetworkMonitoring
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (reachability)
+	{
+		if (moduleQueue)
+		{
+            SCNetworkReachabilitySetDispatchQueue(reachability,NULL);
+		}
+		else
+		{
+			XMPPLogWarn(@"%@: %@ - No xmpp moduleQueue!", THIS_FILE, THIS_METHOD);
+		}
+		
+		SCNetworkReachabilitySetCallback(reachability, NULL, NULL);
+		CFRelease(reachability);
+		reachability = NULL;
+	}
+}
+
+/**
+ * This method may be invoked by the reconnectTimer.
+ * 
+ * During auto reconnection it is invoked reconnectDelay seconds after an accidental disconnection.
+ * After that, it is then invoked every reconnectTimerInterval seconds.
+ * 
+ * This handles disconnections that were not the result of an internet connectivity issue.
+**/
+- (void)maybeAttemptReconnect
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (reachability)
+	{
+		SCNetworkReachabilityFlags reachabilityFlags;
+		if (SCNetworkReachabilityGetFlags(reachability, &reachabilityFlags))
+		{
+			[self maybeAttemptReconnectWithReachabilityFlags:reachabilityFlags];
+		}
+	}
+}
+
+/**
+ * This method is invoked (after a short delay) if the reachability changed while
+ * a reconnection attempt was in progress.
+**/
+- (void)maybeAttemptReconnectWithTicket:(int)ticket
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (ticket != reconnectTicket)
+	{
+		// The dispatched task was cancelled.
+		return;
+	}
+	
+	if (reachability)
+	{
+		SCNetworkReachabilityFlags reachabilityFlags;
+		if (SCNetworkReachabilityGetFlags(reachability, &reachabilityFlags))
+		{
+			[self maybeAttemptReconnectWithReachabilityFlags:reachabilityFlags];
+		}
+	}
+}
+
+- (void)maybeAttemptReconnectWithReachabilityFlags:(SCNetworkReachabilityFlags)reachabilityFlags
+{
+	if (!dispatch_get_specific(moduleQueueTag))
+	{
+		dispatch_async(moduleQueue, ^{ @autoreleasepool {
+			
+			[self maybeAttemptReconnectWithReachabilityFlags:reachabilityFlags];
+			
+		}});
+		
+		return;
+	}
+	
+	if (([self manuallyStarted]) || ([self autoReconnect] && [self shouldReconnect])) 
+	{
+		if ([xmppStream isDisconnected] && ([self queryingDelegates] == NO))
+		{
+			// The xmpp stream is disconnected, and is not attempting reconnection
+			
+			// Delegate rules:
+			// 
+			// If ALL of the delegates return YES, then the result is YES.
+			// If ANY of the delegates return NO, then the result is NO.
+			// If there are no delegates, the default answer is YES.
+			
+			GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+			
+			id del;
+			dispatch_queue_t dq;
+			
+			SEL selector = @selector(xmppReconnect:shouldAttemptAutoReconnect:);
+			
+			NSUInteger delegateCount = [delegateEnumerator countForSelector:selector];
+			
+			dispatch_semaphore_t delSemaphore = dispatch_semaphore_create(0);
+			dispatch_group_t delGroup = dispatch_group_create();
+			
+			while ([delegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_group_async(delGroup, dq, ^{ @autoreleasepool {
+					
+					if (![del xmppReconnect:self shouldAttemptAutoReconnect:reachabilityFlags])
+					{
+						dispatch_semaphore_signal(delSemaphore);
+					}
+				}});
+			}
+			
+			[self setQueryingDelegates:YES];
+			
+			dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+			dispatch_async(concurrentQueue, ^{ @autoreleasepool {
+				
+				dispatch_group_wait(delGroup, DISPATCH_TIME_FOREVER);
+				
+				// What was the delegate response?
+				
+				BOOL shouldAttemptReconnect;
+				if (delegateCount == 0)
+				{
+					shouldAttemptReconnect = YES;
+				}
+				else
+				{
+					shouldAttemptReconnect = (dispatch_semaphore_wait(delSemaphore, DISPATCH_TIME_NOW) != 0);
+				}
+				
+				dispatch_async(moduleQueue, ^{ @autoreleasepool {
+					
+					[self setQueryingDelegates:NO];
+					
+					if (shouldAttemptReconnect)
+					{
+						[self setMultipleReachabilityChanges:NO];
+						previousReachabilityFlags = reachabilityFlags;
+						
+                        if (self.usesOldSchoolSecureConnect)
+                        {
+                            [xmppStream oldSchoolSecureConnectWithTimeout:XMPPStreamTimeoutNone error:nil];
+                        }
+                        else
+                        {
+                            [xmppStream connectWithTimeout:XMPPStreamTimeoutNone error:nil];
+                        }
+					}
+					else if ([self multipleReachabilityChanges])
+					{
+						[self setMultipleReachabilityChanges:NO];
+						previousReachabilityFlags = IMPOSSIBLE_REACHABILITY_FLAGS;
+						
+						[self maybeAttemptReconnect];
+					}
+					else
+					{
+						previousReachabilityFlags = IMPOSSIBLE_REACHABILITY_FLAGS;
+					}
+					
+				}});
+				
+				#if !OS_OBJECT_USE_OBJC
+				dispatch_release(delSemaphore);
+				dispatch_release(delGroup);
+				#endif
+			}});
+			
+		}
+		else
+		{
+			// The xmpp stream is already attempting a connection.
+			
+			if (reachabilityFlags != previousReachabilityFlags)
+			{
+				// It seems that the reachability of our xmpp host has changed in the middle of either
+				// a reconnection attempt or while querying our delegates for permission to attempt reconnect.
+				// 
+				// This may mean that the current attempt will fail,
+				// but an another attempt after the failure will succeed.
+				// 
+				// We make a note of the multiple changes,
+				// and if the current attempt fails, we'll try again after a short delay.
+				
+				[self setMultipleReachabilityChanges:YES];
+			}
+		}
+	}
+}
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.h b/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.h
new file mode 100644
index 0000000..d93f0c0
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.h
@@ -0,0 +1,28 @@
+//
+//  XMPPGroupCoreDataStorageObject.h
+//
+//  Created by Eric Chamberlain on 3/20/11.
+//  Copyright (c) 2011 RF.com. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+
+@class XMPPUserCoreDataStorageObject;
+
+
+@interface XMPPGroupCoreDataStorageObject : NSManagedObject {
+@private
+}
+
+@property (nonatomic, strong) NSString * name;
+@property (nonatomic, strong) NSSet* users;
+
++ (void)clearEmptyGroupsInManagedObjectContext:(NSManagedObjectContext *)moc;
+
++ (id)fetchOrInsertGroupName:(NSString *)groupName inManagedObjectContext:(NSManagedObjectContext *)moc;
+
++ (id)insertGroupName:(NSString *)groupName inManagedObjectContext:(NSManagedObjectContext *)moc;
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.m b/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.m
new file mode 100644
index 0000000..0dbf142
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPGroupCoreDataStorageObject.m
@@ -0,0 +1,115 @@
+//
+//  XMPPGroupCoreDataStorageObject.m
+//
+//  Created by Eric Chamberlain on 3/20/11.
+//  Copyright (c) 2011 RF.com. All rights reserved.
+//
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#import "XMPPGroupCoreDataStorageObject.h"
+#import "XMPPUserCoreDataStorageObject.h"
+
+
+@implementation XMPPGroupCoreDataStorageObject
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (void)clearEmptyGroupsInManagedObjectContext:(NSManagedObjectContext *)moc
+{
+  NSEntityDescription *entity = [NSEntityDescription entityForName:NSStringFromClass([self class])
+	                                          inManagedObjectContext:moc];
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"users.@count == 0"];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setIncludesPendingChanges:YES];
+	
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:nil];
+	
+  
+  for (NSManagedObject *group in results) {
+    [moc deleteObject:group];
+  }
+}
+
++ (id)insertGroupName:(NSString *)groupName inManagedObjectContext:(NSManagedObjectContext *)moc
+{
+  if (groupName == nil) {
+    return nil;
+  }
+  
+  XMPPGroupCoreDataStorageObject *newGroup = [NSEntityDescription insertNewObjectForEntityForName:NSStringFromClass([self class])
+                                                                     inManagedObjectContext:moc];
+  newGroup.name = groupName;
+  
+	return newGroup;
+}
+
+
++ (id)fetchOrInsertGroupName:(NSString *)groupName inManagedObjectContext:(NSManagedObjectContext *)moc {
+  if (groupName == nil) {
+    return nil;
+  }
+  
+  NSEntityDescription *entity = [NSEntityDescription entityForName:NSStringFromClass([self class])
+	                                          inManagedObjectContext:moc];
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"name == %@", groupName];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setIncludesPendingChanges:YES];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:nil];
+	
+  
+  if ([results count] > 0) {
+    return results[0];
+  }
+  
+  return [self insertGroupName:groupName inManagedObjectContext:moc];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Accessors
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@dynamic name;
+@dynamic users;
+
+- (void)addUsersObject:(XMPPUserCoreDataStorageObject *)value {    
+  NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
+  [self willChangeValueForKey:@"users" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
+  [[self primitiveValueForKey:@"users"] addObject:value];
+  [self didChangeValueForKey:@"users" withSetMutation:NSKeyValueUnionSetMutation usingObjects:changedObjects];
+}
+
+- (void)removeUsersObject:(XMPPUserCoreDataStorageObject *)value {
+  NSSet *changedObjects = [[NSSet alloc] initWithObjects:&value count:1];
+  [self willChangeValueForKey:@"users" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
+  [[self primitiveValueForKey:@"users"] removeObject:value];
+  [self didChangeValueForKey:@"users" withSetMutation:NSKeyValueMinusSetMutation usingObjects:changedObjects];
+}
+
+- (void)addUsers:(NSSet *)value {    
+  [self willChangeValueForKey:@"users" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
+  [[self primitiveValueForKey:@"users"] unionSet:value];
+  [self didChangeValueForKey:@"users" withSetMutation:NSKeyValueUnionSetMutation usingObjects:value];
+}
+
+- (void)removeUsers:(NSSet *)value {
+  [self willChangeValueForKey:@"users" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
+  [[self primitiveValueForKey:@"users"] minusSet:value];
+  [self didChangeValueForKey:@"users" withSetMutation:NSKeyValueMinusSetMutation usingObjects:value];
+}
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.h b/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.h
new file mode 100644
index 0000000..2a71fa7
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.h
@@ -0,0 +1,42 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+#import "XMPPResource.h"
+
+@class XMPPStream;
+@class XMPPPresence;
+@class XMPPUserCoreDataStorageObject;
+
+
+@interface XMPPResourceCoreDataStorageObject : NSManagedObject <XMPPResource>
+
+@property (nonatomic, strong) XMPPJID *jid;
+@property (nonatomic, strong) XMPPPresence *presence;
+
+@property (nonatomic, assign) int priority;
+@property (nonatomic, assign) int intShow;
+
+@property (nonatomic, strong) NSString * jidStr;
+@property (nonatomic, strong) NSString * presenceStr;
+
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+@property (nonatomic, strong) NSString * type;
+@property (nonatomic, strong) NSString * show;
+@property (nonatomic, strong) NSString * status;
+
+@property (nonatomic, strong) NSDate * presenceDate;
+
+@property (nonatomic, strong) NSNumber * priorityNum;
+@property (nonatomic, strong) NSNumber * showNum;
+
+@property (nonatomic, strong) XMPPUserCoreDataStorageObject * user;
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                      withPresence:(XMPPPresence *)presence
+                  streamBareJidStr:(NSString *)streamBareJidStr;
+
+- (void)updateWithPresence:(XMPPPresence *)presence;
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another;
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.m b/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.m
new file mode 100644
index 0000000..626455a
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPResourceCoreDataStorageObject.m
@@ -0,0 +1,217 @@
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPRosterCoreDataStorage.h"
+#import "XMPPUserCoreDataStorageObject.h"
+#import "XMPPResourceCoreDataStorageObject.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPResourceCoreDataStorageObject (CoreDataGeneratedPrimitiveAccessors)
+- (NSDate *)primitivePresenceDate;
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPResourceCoreDataStorageObject
+
+@dynamic jid;      // Implementation below
+@dynamic presence; // Implementation below
+@dynamic priority; // Implementation below
+@dynamic intShow;  // Implementation below
+
+@dynamic jidStr;
+@dynamic presenceStr;
+
+@dynamic streamBareJidStr;
+
+@dynamic type;
+@dynamic show;
+@dynamic status;
+
+@dynamic presenceDate;
+
+@dynamic priorityNum;
+@dynamic showNum;
+
+@dynamic user;
+
+- (XMPPJID *)jid
+{
+	return [XMPPJID jidWithString:[self jidStr]];
+}
+
+- (void)setJid:(XMPPJID *)jid
+{
+	self.jidStr = [jid full];
+}
+
+- (XMPPPresence *)presence
+{
+	[self willAccessValueForKey:@"presence"];
+    XMPPPresence *presence = [self primitiveValueForKey:@"presence"];
+    [self didAccessValueForKey:@"presence"];
+	
+    if (presence == nil)
+    {
+		NSString *presenceStr = self.presenceStr;
+		if (presenceStr != nil)
+		{
+			NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:presenceStr error:nil];
+			
+			presence = [XMPPPresence presenceFromElement:element];
+			[self setPrimitiveValue:presence forKey:@"presence"];
+			
+		}
+    }
+	
+    return presence;
+}
+
+- (void)setPresence:(XMPPPresence *)newPresence
+{
+	[self willChangeValueForKey:@"presence"];
+	[self setPrimitiveValue:newPresence forKey:@"presence"];
+	[self didChangeValueForKey:@"presence"];
+    
+	self.presenceStr = [newPresence compactXMLString];
+}
+
+- (int)priority
+{
+	return [[self priorityNum] intValue];
+}
+
+- (void)setPriority:(int)priority
+{
+	self.priorityNum = @(priority);
+}
+
+- (int)intShow
+{
+	return [[self showNum] intValue];
+}
+
+- (void)setIntShow:(int)intShow
+{
+	self.showNum = @(intShow);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Compiler Workarounds
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+
+/**
+ * This method is here to quiet the compiler.
+ * Without it the compiler complains that this method is not implemented as required by the protocol.
+ * This only seems to be a problem when compiling for the device.
+**/
+- (NSDate *)presenceDate 
+{
+    NSDate * tmpValue;
+    
+    [self willAccessValueForKey:@"presenceDate"];
+    tmpValue = [self primitivePresenceDate];
+    [self didAccessValueForKey:@"presenceDate"];
+    
+    return tmpValue;
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Creation & Updates
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                      withPresence:(XMPPPresence *)presence
+                  streamBareJidStr:(NSString *)streamBareJidStr
+{
+	XMPPJID *jid = [presence from];
+	
+	if (jid == nil)
+	{
+		XMPPLogWarn(@"%@: %@ - Invalid presence (missing or invalid jid): %@", [self class], THIS_METHOD, presence);
+		return nil;
+	}
+	
+	XMPPResourceCoreDataStorageObject *newResource;
+	newResource = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPResourceCoreDataStorageObject"
+	                                            inManagedObjectContext:moc];
+	
+	newResource.streamBareJidStr = streamBareJidStr;
+	
+	[newResource updateWithPresence:presence];
+	
+	return newResource;
+}
+
+- (void)updateWithPresence:(XMPPPresence *)presence
+{
+	XMPPJID *jid = [presence from];
+	
+	if (jid == nil)
+	{
+		XMPPLogWarn(@"%@: %@ - Invalid presence (missing or invalid jid): %@", [self class], THIS_METHOD, presence);
+		return;
+	}
+	
+	self.jid = jid;
+	self.presence = presence;
+	
+	self.priority = [presence priority];
+	self.intShow = [presence intShow];
+	
+	self.type = [presence type];
+	self.show = [presence show];
+	self.status = [presence status];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparing
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another
+{
+	XMPPPresence *mp = [self presence];
+	XMPPPresence *ap = [another presence];
+	
+	int mpp = [mp priority];
+	int app = [ap priority];
+	
+	if(mpp < app)
+		return NSOrderedDescending;
+	if(mpp > app)
+		return NSOrderedAscending;
+	
+	// Priority is the same.
+	// Determine who is more available based on their show.
+	int mps = [mp intShow];
+	int aps = [ap intShow];
+	
+	if(mps < aps)
+		return NSOrderedDescending;
+	if(mps > aps)
+		return NSOrderedAscending;
+	
+	// Priority and Show are the same.
+	// Determine based on who was the last to receive a presence element.
+	NSDate *mpd = [self presenceDate];
+	NSDate *apd = [another presenceDate];
+	
+	return [mpd compare:apd];
+}
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/elements b/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/elements
new file mode 100644
index 0000000..39862a8
Binary files /dev/null and b/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/elements differ
diff --git a/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/layout b/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/layout
new file mode 100644
index 0000000..275e1a4
Binary files /dev/null and b/Extensions/Roster/CoreDataStorage/XMPPRoster.xcdatamodel/layout differ
diff --git a/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.h b/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.h
new file mode 100644
index 0000000..8f8af4a
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.h
@@ -0,0 +1,75 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPPRoster.h"
+#import "XMPPCoreDataStorage.h"
+#import "XMPPUserCoreDataStorageObject.h"
+#import "XMPPGroupCoreDataStorageObject.h"
+#import "XMPPResourceCoreDataStorageObject.h"
+
+/**
+ * This class is an example implementation of XMPPRosterStorage using core data.
+ * You are free to substitute your own roster storage class.
+**/
+
+@interface XMPPRosterCoreDataStorage : XMPPCoreDataStorage <XMPPRosterStorage>
+{
+	// Inherits protected variables from XMPPCoreDataStorage
+	
+#if __has_feature(objc_arc_weak)
+	__weak XMPPRoster *parent;
+#else
+	__unsafe_unretained XMPPRoster *parent;
+#endif
+	dispatch_queue_t parentQueue;
+	void *parentQueueTag;
+    
+	NSMutableSet *rosterPopulationSet;
+}
+
+/**
+ * Convenience method to get an instance with the default database name.
+ * 
+ * IMPORTANT:
+ * You are NOT required to use the sharedInstance.
+ * 
+ * If your application uses multiple xmppStreams, and you use a sharedInstance of this class,
+ * then all of your streams share the same database store. You might get better performance if you create
+ * multiple instances of this class instead (using different database filenames), as this way you can have
+ * concurrent writes to multiple databases.
+**/
++ (instancetype)sharedInstance;
+
+
+/* Inherited from XMPPCoreDataStorage
+ * Please see the XMPPCoreDataStorage header file for extensive documentation.
+ 
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName storeOptions:(NSDictionary *)storeOptions;
+- (id)initWithInMemoryStore;
+
+@property (readonly) NSString *databaseFileName;
+ 
+@property (readwrite) NSUInteger saveThreshold;
+
+@property (readonly) NSManagedObjectModel *managedObjectModel;
+@property (readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+
+@property (readonly) NSManagedObjectContext *mainThreadManagedObjectContext;
+ 
+*/
+
+- (XMPPUserCoreDataStorageObject *)myUserForXMPPStream:(XMPPStream *)stream
+                            managedObjectContext:(NSManagedObjectContext *)moc;
+
+- (XMPPResourceCoreDataStorageObject *)myResourceForXMPPStream:(XMPPStream *)stream
+                                          managedObjectContext:(NSManagedObjectContext *)moc;
+
+- (XMPPUserCoreDataStorageObject *)userForJID:(XMPPJID *)jid
+                                   xmppStream:(XMPPStream *)stream
+                         managedObjectContext:(NSManagedObjectContext *)moc;
+
+- (XMPPResourceCoreDataStorageObject *)resourceForJID:(XMPPJID *)jid
+										   xmppStream:(XMPPStream *)stream
+                                 managedObjectContext:(NSManagedObjectContext *)moc;
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.m b/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.m
new file mode 100644
index 0000000..ec9c6b6
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPRosterCoreDataStorage.m
@@ -0,0 +1,575 @@
+#import "XMPPRosterCoreDataStorage.h"
+#import "XMPPGroupCoreDataStorageObject.h"
+#import "XMPPUserCoreDataStorageObject.h"
+#import "XMPPResourceCoreDataStorageObject.h"
+#import "XMPPRosterPrivate.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertPrivateQueue() \
+        NSAssert(dispatch_get_specific(storageQueueTag), @"Private method: MUST run on storageQueue");
+
+
+@implementation XMPPRosterCoreDataStorage
+
+static XMPPRosterCoreDataStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPRosterCoreDataStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Setup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)commonInit
+{
+	XMPPLogTrace();
+	[super commonInit];
+	
+	// This method is invoked by all public init methods of the superclass
+    autoRemovePreviousDatabaseFile = YES;
+	autoRecreateDatabaseFile = YES;
+    
+	rosterPopulationSet = [[NSMutableSet alloc] init];
+}
+
+- (BOOL)configureWithParent:(XMPPRoster *)aParent queue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(aParent != nil);
+	NSParameterAssert(queue != NULL);
+	
+	@synchronized(self)
+	{
+		if ((parent == nil) && (parentQueue == NULL))
+		{
+			parent = aParent;
+			parentQueue = queue;
+			parentQueueTag = &parentQueueTag;
+			dispatch_queue_set_specific(parentQueue, parentQueueTag, parentQueueTag, NULL);
+			
+#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(parentQueue);
+#endif
+			
+			return YES;
+		}
+	}
+    
+    return NO;
+}
+
+- (void)dealloc
+{
+#if !OS_OBJECT_USE_OBJC
+	if (parentQueue)
+		dispatch_release(parentQueue);
+#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)_clearAllResourcesForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertPrivateQueue();
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPResourceCoreDataStorageObject"
+	                                          inManagedObjectContext:moc];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setFetchBatchSize:saveThreshold];
+	
+	if (stream)
+	{
+		NSPredicate *predicate;
+		predicate = [NSPredicate predicateWithFormat:@"streamBareJidStr == %@",
+		                                    [[self myJIDForXMPPStream:stream] bare]];
+		
+		[fetchRequest setPredicate:predicate];
+	}
+	
+	NSArray *allResources = [moc executeFetchRequest:fetchRequest error:nil];
+	
+	NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+	
+	for (XMPPResourceCoreDataStorageObject *resource in allResources)
+	{
+        XMPPUserCoreDataStorageObject *user = resource.user;
+		[moc deleteObject:resource];
+        [user recalculatePrimaryResource];
+        
+		if (++unsavedCount >= saveThreshold)
+		{
+			[self save];
+			unsavedCount = 0;
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Overrides
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didCreateManagedObjectContext
+{
+	// This method is overriden from the XMPPCoreDataStore superclass.
+	// From the documentation:
+	// 
+	// Override me, if needed, to provide customized behavior.
+	// 
+	// For example, you may want to perform cleanup of any non-persistent data before you start using the database.
+	// 
+	// The default implementation does nothing.
+	
+	
+	// Reserved for future use (directory versioning).
+	// Perhaps invoke [self _clearAllResourcesForXMPPStream:nil] ?
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPUserCoreDataStorageObject *)myUserForXMPPStream:(XMPPStream *)stream
+                                  managedObjectContext:(NSManagedObjectContext *)moc
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	XMPPJID *myJID = stream.myJID;
+	if (myJID == nil)
+	{
+		return nil;
+	}
+	
+	return [self userForJID:myJID xmppStream:stream managedObjectContext:moc];
+}
+
+- (XMPPResourceCoreDataStorageObject *)myResourceForXMPPStream:(XMPPStream *)stream
+                                          managedObjectContext:(NSManagedObjectContext *)moc
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	XMPPJID *myJID = stream.myJID;
+	if (myJID == nil)
+	{
+		return nil;
+	}
+	
+	return [self resourceForJID:myJID xmppStream:stream managedObjectContext:moc];
+}
+
+- (XMPPUserCoreDataStorageObject *)userForJID:(XMPPJID *)jid
+                                   xmppStream:(XMPPStream *)stream
+                         managedObjectContext:(NSManagedObjectContext *)moc
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	if (jid == nil) return nil;
+	if (moc == nil) return nil;
+	
+	NSString *bareJIDStr = [jid bare];
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPUserCoreDataStorageObject"
+	                                          inManagedObjectContext:moc];
+	
+	NSPredicate *predicate;
+	if (stream == nil)
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@", bareJIDStr];
+	else
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@ AND streamBareJidStr == %@",
+					 bareJIDStr, [[self myJIDForXMPPStream:stream] bare]];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setIncludesPendingChanges:YES];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:nil];
+	
+	return (XMPPUserCoreDataStorageObject *)[results lastObject];
+}
+
+- (XMPPResourceCoreDataStorageObject *)resourceForJID:(XMPPJID *)jid
+										   xmppStream:(XMPPStream *)stream
+                                 managedObjectContext:(NSManagedObjectContext *)moc
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	if (jid == nil) return nil;
+	if (moc == nil) return nil;
+	
+	NSString *fullJIDStr = [jid full];
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPResourceCoreDataStorageObject"
+	                                          inManagedObjectContext:moc];
+	
+	NSPredicate *predicate;
+	if (stream == nil)
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@", fullJIDStr];
+	else
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@ AND streamBareJidStr == %@",
+					 fullJIDStr, [[self myJIDForXMPPStream:stream] bare]];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setIncludesPendingChanges:YES];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:nil];
+	
+	return (XMPPResourceCoreDataStorageObject *)[results lastObject];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Protocol Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)beginRosterPopulationForXMPPStream:(XMPPStream *)stream withVersion:(NSString *)version
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		[rosterPopulationSet addObject:[NSNumber xmpp_numberWithPtr:(__bridge void *)stream]];
+    
+		// Clear anything already in the roster core data store.
+		// 
+		// Note: Deleting a user will delete all associated resources
+		// because of the cascade rule in our core data model.
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPUserCoreDataStorageObject"
+		                                          inManagedObjectContext:moc];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setFetchBatchSize:saveThreshold];
+		
+		if (stream)
+		{
+			NSPredicate *predicate;
+			predicate = [NSPredicate predicateWithFormat:@"streamBareJidStr == %@",
+			                                     [[self myJIDForXMPPStream:stream] bare]];
+			
+			[fetchRequest setPredicate:predicate];
+		}
+		
+		NSArray *allUsers = [moc executeFetchRequest:fetchRequest error:nil];
+		
+		for (XMPPUserCoreDataStorageObject *user in allUsers)
+		{
+			[moc deleteObject:user];
+		}
+		
+		[XMPPGroupCoreDataStorageObject clearEmptyGroupsInManagedObjectContext:moc];
+	}];
+}
+
+- (void)endRosterPopulationForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		[rosterPopulationSet removeObject:[NSNumber xmpp_numberWithPtr:(__bridge void *)stream]];
+	}];
+}
+
+- (void)handleRosterItem:(NSXMLElement *)itemSubElement xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	// Remember XML heirarchy memory management rules.
+	// The passed parameter is a subnode of the IQ, and we need to pass it to an asynchronous operation.
+	NSXMLElement *item = [itemSubElement copy];
+	
+	[self scheduleBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		if ([rosterPopulationSet containsObject:[NSNumber xmpp_numberWithPtr:(__bridge void *)stream]])
+		{
+			NSString *streamBareJidStr = [[self myJIDForXMPPStream:stream] bare];
+			
+			[XMPPUserCoreDataStorageObject insertInManagedObjectContext:moc
+			                                                   withItem:item
+			                                           streamBareJidStr:streamBareJidStr];
+		}
+		else
+		{
+			NSString *jidStr = [item attributeStringValueForName:@"jid"];
+			XMPPJID *jid = [[XMPPJID jidWithString:jidStr] bareJID];
+			
+			XMPPUserCoreDataStorageObject *user = [self userForJID:jid xmppStream:stream managedObjectContext:moc];
+			
+			NSString *subscription = [item attributeStringValueForName:@"subscription"];
+			if ([subscription isEqualToString:@"remove"])
+			{
+				if (user)
+				{
+					[moc deleteObject:user];
+				}
+			}
+			else
+			{
+				if (user)
+				{
+					[user updateWithItem:item];
+				}
+				else
+				{
+					NSString *streamBareJidStr = [[self myJIDForXMPPStream:stream] bare];
+					
+					[XMPPUserCoreDataStorageObject insertInManagedObjectContext:moc
+					                                                   withItem:item
+					                                           streamBareJidStr:streamBareJidStr];
+				}
+			}
+		}
+	}];
+}
+
+- (void)handlePresence:(XMPPPresence *)presence xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+    
+    BOOL allowRosterlessOperation = [parent allowRosterlessOperation];
+	
+	[self scheduleBlock:^{
+		
+		XMPPJID *jid = [presence from];
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		NSString *streamBareJidStr = [[self myJIDForXMPPStream:stream] bare];
+		
+		XMPPUserCoreDataStorageObject *user = [self userForJID:jid xmppStream:stream managedObjectContext:moc];
+		
+		if (user == nil && allowRosterlessOperation)
+		{
+			// This may happen if the roster is in rosterlessOperation mode.
+			
+			user = [XMPPUserCoreDataStorageObject insertInManagedObjectContext:moc
+			                                                           withJID:[presence from]
+			                                                  streamBareJidStr:streamBareJidStr];
+		}
+		
+		[user updateWithPresence:presence streamBareJidStr:streamBareJidStr];
+	}];
+}
+
+- (BOOL)userExistsWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	
+	[self executeBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		XMPPUserCoreDataStorageObject *user = [self userForJID:jid xmppStream:stream managedObjectContext:moc];
+		
+		result = (user != nil);
+	}];
+	
+	return result;
+}
+
+#if TARGET_OS_IPHONE
+- (void)setPhoto:(UIImage *)photo forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+#else
+- (void)setPhoto:(NSImage *)photo forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+#endif
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		XMPPUserCoreDataStorageObject *user = [self userForJID:jid xmppStream:stream managedObjectContext:moc];
+		
+		if (user)
+		{
+			user.photo = photo;
+		}
+	}];
+}
+
+- (void)clearAllResourcesForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		[self _clearAllResourcesForXMPPStream:stream];
+	}];
+}
+
+- (void)clearAllUsersAndResourcesForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		// Note: Deleting a user will delete all associated resources
+		// because of the cascade rule in our core data model.
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPUserCoreDataStorageObject"
+												  inManagedObjectContext:moc];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setFetchBatchSize:saveThreshold];
+		
+		if (stream)
+		{
+			NSPredicate *predicate;
+			predicate = [NSPredicate predicateWithFormat:@"streamBareJidStr == %@",
+			                            [[self myJIDForXMPPStream:stream] bare]];
+			
+			[fetchRequest setPredicate:predicate];
+		}
+		
+		NSArray *allUsers = [moc executeFetchRequest:fetchRequest error:nil];
+		
+		NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+		
+		for (XMPPUserCoreDataStorageObject *user in allUsers)
+		{
+			[moc deleteObject:user];
+			
+			if (++unsavedCount >= saveThreshold)
+			{
+				[self save];
+				unsavedCount = 0;
+			}
+		}
+    
+		[XMPPGroupCoreDataStorageObject clearEmptyGroupsInManagedObjectContext:moc];
+	}];
+}
+
+- (NSArray *)jidsForXMPPStream:(XMPPStream *)stream{
+    
+    XMPPLogTrace();
+    
+    __block NSMutableArray *results = [NSMutableArray array];
+	
+	[self executeBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPUserCoreDataStorageObject"
+												  inManagedObjectContext:moc];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setFetchBatchSize:saveThreshold];
+		
+		if (stream)
+		{
+			NSPredicate *predicate;
+			predicate = [NSPredicate predicateWithFormat:@"streamBareJidStr == %@",
+                         [[self myJIDForXMPPStream:stream] bare]];
+			
+			[fetchRequest setPredicate:predicate];
+		}
+		
+		NSArray *allUsers = [moc executeFetchRequest:fetchRequest error:nil];
+        
+        for(XMPPUserCoreDataStorageObject *user in allUsers){
+            [results addObject:[user.jid bareJID]];
+        }
+		
+	}];
+    
+    return results;
+}
+
+- (void)getSubscription:(NSString **)subscription
+                    ask:(NSString **)ask
+               nickname:(NSString **)nickname
+                 groups:(NSArray **)groups
+                 forJID:(XMPPJID *)jid
+             xmppStream:(XMPPStream *)stream
+{
+    XMPPLogTrace();
+        
+    [self executeBlock:^{
+        
+        NSManagedObjectContext *moc = [self managedObjectContext];
+        XMPPUserCoreDataStorageObject *user = [self userForJID:jid xmppStream:stream managedObjectContext:moc];
+        
+        if(user)
+        {
+            if(subscription)
+            {
+                *subscription = user.subscription;
+            }
+            
+            if(ask)
+            {
+                *ask = user.ask;
+            }
+            
+            if(nickname)
+            {
+                *nickname = user.nickname;
+            }
+            
+            if(groups)
+            {
+                if([user.groups count])
+                {
+                    NSMutableArray *groupNames = [NSMutableArray array];
+                    
+                    for(XMPPGroupCoreDataStorageObject *group in user.groups){
+                        [groupNames addObject:group.name];
+                    }
+                    
+                    *groups = groupNames;
+                }
+            }
+        }
+    }];
+}
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.h b/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.h
new file mode 100644
index 0000000..0d8e077
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.h
@@ -0,0 +1,79 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIKit.h>
+#else
+    #import <Cocoa/Cocoa.h>
+#endif
+
+#import "XMPPUser.h"
+#import "XMPP.h"
+
+@class XMPPGroupCoreDataStorageObject;
+@class XMPPResourceCoreDataStorageObject;
+
+
+@interface XMPPUserCoreDataStorageObject : NSManagedObject <XMPPUser>
+{
+	NSInteger section;
+}
+
+@property (nonatomic, strong) XMPPJID *jid;
+@property (nonatomic, strong) NSString * jidStr;
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+@property (nonatomic, strong) NSString * nickname;
+@property (nonatomic, strong) NSString * displayName;
+@property (nonatomic, strong) NSString * subscription;
+@property (nonatomic, strong) NSString * ask;
+@property (nonatomic, strong) NSNumber * unreadMessages;
+
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong) UIImage *photo;
+#else
+@property (nonatomic, strong) NSImage *photo;
+#endif
+
+@property (nonatomic, assign) NSInteger section;
+@property (nonatomic, strong) NSString * sectionName;
+@property (nonatomic, strong) NSNumber * sectionNum;
+
+@property (nonatomic, strong) NSSet * groups;
+@property (nonatomic, strong) XMPPResourceCoreDataStorageObject * primaryResource;
+@property (nonatomic, strong) NSSet * resources;
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                           withJID:(XMPPJID *)jid
+                  streamBareJidStr:(NSString *)streamBareJidStr;
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                          withItem:(NSXMLElement *)item
+                  streamBareJidStr:(NSString *)streamBareJidStr;
+
+- (void)updateWithItem:(NSXMLElement *)item;
+- (void)updateWithPresence:(XMPPPresence *)presence streamBareJidStr:(NSString *)streamBareJidStr;
+- (void)recalculatePrimaryResource;
+
+- (NSComparisonResult)compareByName:(XMPPUserCoreDataStorageObject *)another;
+- (NSComparisonResult)compareByName:(XMPPUserCoreDataStorageObject *)another options:(NSStringCompareOptions)mask;
+
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserCoreDataStorageObject *)another;
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserCoreDataStorageObject *)another
+                                        options:(NSStringCompareOptions)mask;
+
+@end
+
+@interface XMPPUserCoreDataStorageObject (CoreDataGeneratedAccessors)
+
+- (void)addResourcesObject:(XMPPResourceCoreDataStorageObject *)value;
+- (void)removeResourcesObject:(XMPPResourceCoreDataStorageObject *)value;
+- (void)addResources:(NSSet *)value;
+- (void)removeResources:(NSSet *)value;
+
+- (void)addGroupsObject:(XMPPGroupCoreDataStorageObject *)value;
+- (void)removeGroupsObject:(XMPPGroupCoreDataStorageObject *)value;
+- (void)addGroups:(NSSet *)value;
+- (void)removeGroups:(NSSet *)value;
+
+@end
diff --git a/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.m b/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.m
new file mode 100644
index 0000000..f7f9b82
--- /dev/null
+++ b/Extensions/Roster/CoreDataStorage/XMPPUserCoreDataStorageObject.m
@@ -0,0 +1,493 @@
+#import "XMPP.h"
+#import "XMPPRosterCoreDataStorage.h"
+#import "XMPPUserCoreDataStorageObject.h"
+#import "XMPPResourceCoreDataStorageObject.h"
+#import "XMPPGroupCoreDataStorageObject.h"
+#import "NSNumber+XMPP.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPUserCoreDataStorageObject ()
+
+@property(nonatomic,strong) XMPPJID *primitiveJid;
+@property(nonatomic,strong) NSString *primitiveJidStr;
+
+@property(nonatomic,strong) NSString *primitiveDisplayName;
+@property(nonatomic,assign) NSInteger primitiveSection;
+@property(nonatomic,strong) NSString *primitiveSectionName;
+@property(nonatomic,strong) NSNumber *primitiveSectionNum;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPUserCoreDataStorageObject
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Accessors
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+@dynamic jid, primitiveJid;
+@dynamic jidStr, primitiveJidStr;
+@dynamic streamBareJidStr;
+
+@dynamic nickname;
+@dynamic displayName, primitiveDisplayName;
+@dynamic subscription;
+@dynamic ask;
+@dynamic unreadMessages;
+@dynamic photo;
+
+@dynamic section, primitiveSection;
+@dynamic sectionName, primitiveSectionName;
+@dynamic sectionNum, primitiveSectionNum;
+
+@dynamic groups;
+@dynamic primaryResource;
+@dynamic resources;
+
+- (XMPPJID *)jid
+{
+  // Create and cache the jid on demand
+  
+  [self willAccessValueForKey:@"jid"];
+  XMPPJID *tmp = [self primitiveJid];
+  [self didAccessValueForKey:@"jid"];
+  
+  if (tmp == nil) {
+    tmp = [XMPPJID jidWithString:[self jidStr]];
+
+    [self setPrimitiveJid:tmp];
+  }
+  return tmp;
+}
+
+- (void)setJid:(XMPPJID *)jid
+{
+	self.jidStr = [jid bare];
+}
+
+- (void)setJidStr:(NSString *)jidStr
+{  
+  [self willChangeValueForKey:@"jidStr"];
+  [self setPrimitiveJidStr:jidStr];
+  [self didChangeValueForKey:@"jidStr"];
+  
+  // If the jidStr changes, the jid becomes invalid.
+  [self setPrimitiveJid:nil];
+}
+
+- (NSInteger)section
+{
+  // Create and cache the section on demand
+  [self willAccessValueForKey:@"section"];
+  NSInteger tmp = [self primitiveSection];
+  [self didAccessValueForKey:@"section"];
+  
+  // section uses zero, so to distinguish unset values, use NSNotFound
+  if (tmp == NSNotFound) {
+    tmp = [[self sectionNum] integerValue];
+    
+    [self setPrimitiveSection:tmp];
+  }
+  return tmp;
+}
+
+- (void)setSection:(NSInteger)value
+{
+	self.sectionNum = @(value);
+}
+
+- (NSInteger)primitiveSection
+{
+  return section;
+}
+
+- (void)setPrimitiveSection:(NSInteger)primitiveSection
+{
+  section = primitiveSection;
+}
+
+
+
+- (void)setSectionNum:(NSNumber *)sectionNum
+{
+  [self willChangeValueForKey:@"sectionNum"];
+  [self setPrimitiveSectionNum:sectionNum];
+  [self didChangeValueForKey:@"sectionNum"];
+  
+  // If the sectionNum changes, the section becomes invalid.
+  // section uses zero, so to distinguish unset values, use NSNotFound
+  [self setPrimitiveSection:NSNotFound];
+}
+
+- (NSString *)sectionName
+{
+  // Create and cache the sectionName on demand
+  
+  [self willAccessValueForKey:@"sectionName"];
+  NSString *tmp = [self primitiveSectionName];
+  [self didAccessValueForKey:@"sectionName"];
+  
+  if (tmp == nil) {
+    // Section names are organized by capitalizing the first letter of the displayName
+    
+    NSString *upperCase = [self.displayName uppercaseString];
+    
+    // return the first character with support UTF-16:
+    tmp = [upperCase substringWithRange:[upperCase rangeOfComposedCharacterSequenceAtIndex:0]];
+
+    [self setPrimitiveSectionName:tmp];
+  }
+  return tmp;
+}
+
+- (void)setDisplayName:(NSString *)displayName
+{  
+  [self willChangeValueForKey:@"displayName"];
+  [self setPrimitiveDisplayName:displayName];
+  [self didChangeValueForKey:@"displayName"];
+  
+  // If the displayName changes, the sectionName becomes invalid.
+  [self setPrimitiveSectionName:nil];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSManagedObject
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)awakeFromInsert
+{
+	// Section uses zero, so to distinguish unset values, use NSNotFound.
+	
+	self.primitiveSection = NSNotFound;
+}
+
+- (void)awakeFromFetch
+{
+	// Section uses zero, so to distinguish unset values, use NSNotFound.
+	// 
+	// Note: Do NOT use "self.section = NSNotFound" as this will in turn set the sectionNum.
+	
+	self.primitiveSection = NSNotFound;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Creation & Updates
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                           withJID:(XMPPJID *)jid
+                  streamBareJidStr:(NSString *)streamBareJidStr
+{
+	if (jid == nil)
+	{
+		XMPPLogVerbose(@"XMPPUserCoreDataStorageObject: invalid jid (nil)");
+		return nil;
+	}
+	
+	XMPPUserCoreDataStorageObject *newUser;
+	newUser = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPUserCoreDataStorageObject"
+	                                        inManagedObjectContext:moc];
+	
+	newUser.streamBareJidStr = streamBareJidStr;
+	
+	newUser.jid = jid;
+	newUser.nickname = nil;
+	
+	newUser.displayName = [jid bare];
+	
+	return newUser;
+}
+
++ (id)insertInManagedObjectContext:(NSManagedObjectContext *)moc
+                          withItem:(NSXMLElement *)item
+                  streamBareJidStr:(NSString *)streamBareJidStr
+{
+	NSString *jidStr = [item attributeStringValueForName:@"jid"];
+	XMPPJID *jid = [XMPPJID jidWithString:jidStr];
+	
+	if (jid == nil)
+	{
+		XMPPLogVerbose(@"XMPPUserCoreDataStorageObject: invalid item (missing or invalid jid): %@", item);
+		return nil;
+	}
+	
+	XMPPUserCoreDataStorageObject *newUser;
+	newUser = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPUserCoreDataStorageObject"
+	                                        inManagedObjectContext:moc];
+	
+	newUser.streamBareJidStr = streamBareJidStr;
+	
+	[newUser updateWithItem:item];
+	
+	return newUser;
+}
+
+- (void)updateGroupsWithItem:(NSXMLElement *)item
+{
+	XMPPGroupCoreDataStorageObject *group = nil;
+
+	// clear existing group memberships first
+	if ([self.groups count] > 0) {
+		[self removeGroups:self.groups];
+	}
+
+	NSArray *groupItems = [item elementsForName:@"group"];
+	NSString *groupName = nil;
+
+	for (NSXMLElement *groupElement in groupItems) {
+		groupName = [groupElement stringValue];
+
+		group = [XMPPGroupCoreDataStorageObject fetchOrInsertGroupName:groupName 
+		                                        inManagedObjectContext:[self managedObjectContext]];
+
+		if (group != nil) {
+			[self addGroupsObject:group];
+		}
+	}
+}
+
+- (void)updateWithItem:(NSXMLElement *)item
+{
+	NSString *jidStr = [item attributeStringValueForName:@"jid"];
+	XMPPJID *jid = [XMPPJID jidWithString:jidStr];
+	
+	if (jid == nil)
+	{
+		XMPPLogVerbose(@"XMPPUserCoreDataStorageObject: invalid item (missing or invalid jid): %@", item);
+		return;
+	}
+	
+	self.jid = jid;
+	self.nickname = [item attributeStringValueForName:@"name"];
+	
+	self.displayName = self.nickname ? : jidStr;
+	
+	self.subscription = [item attributeStringValueForName:@"subscription"];
+	self.ask = [item attributeStringValueForName:@"ask"];
+	
+	[self updateGroupsWithItem:item];
+}
+
+- (void)recalculatePrimaryResource
+{
+	self.primaryResource = nil;
+	
+	NSArray *sortedResources = [[self allResources] sortedArrayUsingSelector:@selector(compare:)];
+	if ([sortedResources count] > 0)
+	{
+		XMPPResourceCoreDataStorageObject *resource = sortedResources[0];
+		
+		// Primary resource must have a non-negative priority
+		if ([resource priority] >= 0)
+		{
+			self.primaryResource = resource;
+			
+			if (resource.intShow >= 3)
+				self.section = 0;
+			else
+				self.section = 1;
+		}
+	}
+	
+	if (self.primaryResource == nil)
+	{
+		self.section = 2;
+	}
+}
+
+- (void)updateWithPresence:(XMPPPresence *)presence streamBareJidStr:(NSString *)streamBareJidStr
+{
+	XMPPResourceCoreDataStorageObject *resource =
+	    (XMPPResourceCoreDataStorageObject *)[self resourceForJID:[presence from]];
+	
+	if ([[presence type] isEqualToString:@"unavailable"] || [presence isErrorPresence])
+	{
+		if (resource)
+		{
+			[self removeResourcesObject:resource];
+			[[self managedObjectContext] deleteObject:resource];
+		}
+	}
+	else
+	{
+		if (resource)
+		{
+			[resource updateWithPresence:presence];
+		}
+		else
+		{
+			XMPPResourceCoreDataStorageObject *newResource;
+			newResource = [XMPPResourceCoreDataStorageObject insertInManagedObjectContext:[self managedObjectContext]
+			                                                           withPresence:presence
+			                                                       streamBareJidStr:streamBareJidStr];
+			
+			[self addResourcesObject:newResource];
+		}
+	}
+	
+	[self recalculatePrimaryResource];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPUser Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isOnline
+{
+	return (self.primaryResource != nil);
+}
+
+- (BOOL)isPendingApproval
+{
+	// Either of the following mean we're waiting to have our presence subscription approved:
+	// <item ask='subscribe' subscription='none' jid='robbiehanson@deusty.com'/>
+	// <item ask='subscribe' subscription='from' jid='robbiehanson@deusty.com'/>
+	
+	NSString *subscription = self.subscription;
+	NSString *ask = self.ask;
+	
+	if ([subscription isEqualToString:@"none"] || [subscription isEqualToString:@"from"])
+	{
+		if ([ask isEqualToString:@"subscribe"])
+		{
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (id <XMPPResource>)resourceForJID:(XMPPJID *)jid
+{
+	NSString *jidStr = [jid full];
+	
+	for (XMPPResourceCoreDataStorageObject *resource in [self resources])
+	{
+		if ([jidStr isEqualToString:[resource jidStr]])
+		{
+			return resource;
+		}
+	}
+	
+	return nil;
+}
+
+- (NSArray *)allResources
+{
+    NSMutableArray *allResources = [NSMutableArray array];
+	
+    for (XMPPResourceCoreDataStorageObject *resource in [[self resources] allObjects]) {
+        
+        if(![resource isDeleted])
+        {
+            [allResources addObject:resource];
+        }
+    }
+    
+    return allResources;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparisons
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the result of invoking compareByName:options: with no options.
+**/
+- (NSComparisonResult)compareByName:(XMPPUserCoreDataStorageObject *)another
+{
+	return [self compareByName:another options:0];
+}
+
+/**
+ * This method compares the two users according to their display name.
+ * 
+ * Options for the search — you can combine any of the following using a C bitwise OR operator:
+ * NSCaseInsensitiveSearch, NSLiteralSearch, NSNumericSearch.
+ * See "String Programming Guide for Cocoa" for details on these options.
+**/
+- (NSComparisonResult)compareByName:(XMPPUserCoreDataStorageObject *)another options:(NSStringCompareOptions)mask
+{
+	NSString *myName = [self displayName];
+	NSString *theirName = [another displayName];
+	
+	return [myName compare:theirName options:mask];
+}
+
+/**
+ * Returns the result of invoking compareByAvailabilityName:options: with no options.
+**/
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserCoreDataStorageObject *)another
+{
+	return [self compareByAvailabilityName:another options:0];
+}
+
+/**
+ * This method compares the two users according to availability first, and then display name.
+ * Thus available users come before unavailable users.
+ * If both users are available, or both users are not available,
+ * this method follows the same functionality as the compareByName:options: as documented above.
+**/
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserCoreDataStorageObject *)another
+                                        options:(NSStringCompareOptions)mask
+{
+	if ([self isOnline])
+	{
+		if ([another isOnline])
+			return [self compareByName:another options:mask];
+		else
+			return NSOrderedAscending;
+	}
+	else
+	{
+		if ([another isOnline])
+			return NSOrderedDescending;
+		else
+			return [self compareByName:another options:mask];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark KVO compliance methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSSet *)keyPathsForValuesAffectingJid {
+	// If the jidStr changes, the jid may change as well.
+	return [NSSet setWithObject:@"jidStr"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingIsOnline {
+	return [NSSet setWithObject:@"primaryResource"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingSection {
+	// If the value of sectionNum changes, the section may change as well.
+	return [NSSet setWithObject:@"sectionNum"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingSectionName {
+	// If the value of displayName changes, the sectionName may change as well.
+	return [NSSet setWithObject:@"displayName"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingAllResources {
+	return [NSSet setWithObject:@"resources"];
+}
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.h b/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.h
new file mode 100644
index 0000000..9999102
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.h
@@ -0,0 +1,28 @@
+#import <Foundation/Foundation.h>
+#import "XMPPResource.h"
+
+@class XMPPJID;
+@class XMPPIQ;
+@class XMPPPresence;
+
+
+@interface XMPPResourceMemoryStorageObject : NSObject <XMPPResource, NSCopying, NSSecureCoding>
+{
+	XMPPJID *jid;
+	XMPPPresence *presence;
+	
+	NSDate *presenceDate;
+}
+
+/* From the XMPPResource protocol
+
+- (XMPPJID *)jid;
+- (XMPPPresence *)presence;
+
+- (NSDate *)presenceDate;
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another;
+
+*/
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.m b/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.m
new file mode 100644
index 0000000..fa8e27d
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPResourceMemoryStorageObject.m
@@ -0,0 +1,206 @@
+#import "XMPP.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPRosterMemoryStoragePrivate.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPResourceMemoryStorageObject
+
+- (id)initWithPresence:(XMPPPresence *)aPresence
+{
+	if((self = [super init]))
+	{
+		jid = [aPresence from];
+		presence = aPresence;
+		
+		presenceDate = [presence delayedDeliveryDate];
+		if (presenceDate == nil)
+		{
+			presenceDate = [[NSDate alloc] init];
+		}
+	}
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPResourceMemoryStorageObject *deepCopy = (XMPPResourceMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->jid = [jid copy];
+	deepCopy->presence = presence; // No need to bother with a copy sicne we don't alter presence
+	deepCopy->presenceDate = [presenceDate copy];
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                jid          = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+                presence     = [coder decodeObjectOfClass:[XMPPPresence class] forKey:@"presence"];
+                presenceDate = [coder decodeObjectOfClass:[NSDate class] forKey:@"presenceDate"];
+            }
+            else
+            {
+                jid          = [coder decodeObjectForKey:@"jid"];
+                presence     = [coder decodeObjectForKey:@"presence"];
+                presenceDate = [coder decodeObjectForKey:@"presenceDate"];
+            }
+		}
+		else
+		{
+			jid          = [coder decodeObject];
+			presence     = [coder decodeObject];
+			presenceDate = [coder decodeObject];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:jid          forKey:@"jid"];
+		[coder encodeObject:presence     forKey:@"presence"];
+		[coder encodeObject:presenceDate forKey:@"presenceDate"];
+	}
+	else
+	{
+		[coder encodeObject:jid];
+		[coder encodeObject:presence];
+		[coder encodeObject:presenceDate];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Standard Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPJID *)jid
+{
+	return jid;
+}
+
+- (XMPPPresence *)presence
+{
+	return presence;
+}
+
+- (NSDate *)presenceDate
+{
+	return presenceDate;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Update Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)updateWithPresence:(XMPPPresence *)aPresence
+{
+	presence = aPresence;
+	
+	presenceDate = [presence delayedDeliveryDate];
+	if (presenceDate == nil)
+	{
+		presenceDate = [[NSDate alloc] init];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparison Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another
+{
+	XMPPPresence *mp = [self presence];
+	XMPPPresence *ap = [another presence];
+	
+	int mpp = [mp priority];
+	int app = [ap priority];
+	
+	if(mpp < app)
+		return NSOrderedDescending;
+	if(mpp > app)
+		return NSOrderedAscending;
+	
+	// Priority is the same.
+	// Determine who is more available based on their show.
+	int mps = [mp intShow];
+	int aps = [ap intShow];
+	
+	if(mps < aps)
+		return NSOrderedDescending;
+	if(mps > aps)
+		return NSOrderedAscending;
+	
+	// Priority and Show are the same.
+	// Determine based on who was the last to receive a presence element.
+	NSDate *mpd = [self presenceDate];
+	NSDate *apd = [another presenceDate];
+	
+	return [mpd compare:apd];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	return [jid hash];
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if([anObject isMemberOfClass:[self class]])
+	{
+		XMPPResourceMemoryStorageObject *another = (XMPPResourceMemoryStorageObject *)anObject;
+		
+		return [jid isEqualToJID:[another jid]];
+	}
+	
+	return NO;
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"<XMPPResource[%p]: %@>", self, [jid full]];
+}
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.h b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.h
new file mode 100644
index 0000000..5b64615
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.h
@@ -0,0 +1,128 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoster.h"
+#import "XMPPUserMemoryStorageObject.h"
+#import "XMPPResourceMemoryStorageObject.h"
+
+
+/**
+ * This class is an example implementation of the XMPPRosterStorage protocol.
+ * It simply keeps all roster informatin in memory.
+ * 
+ * You are free to substitute your own storage class.
+**/
+
+@interface XMPPRosterMemoryStorage : NSObject <XMPPRosterStorage>
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPRoster *parent;
+  #else
+	__unsafe_unretained XMPPRoster *parent;
+  #endif	
+	dispatch_queue_t parentQueue;
+	void *parentQueueTag;
+	
+	Class userClass;
+	Class resourceClass;
+	
+	BOOL isRosterPopulation;
+	NSMutableDictionary *roster;
+	
+	XMPPJID *myJID;
+	XMPPUserMemoryStorageObject *myUser;
+}
+
+- (id)init;
+
+@property (readonly) XMPPRoster *parent;
+
+/**
+ * You can optionally extend the XMPPUserMemoryStorage and XMPPResourceMemoryStorage classes.
+ * Then just set the classes here, and your subclasses will automatically get used.
+**/
+@property (readwrite, assign) Class userClass;
+@property (readwrite, assign) Class resourceClass;
+
+/**
+ * The methods below provide access to the roster data.
+ * 
+ * If invoked from a dispatch queue other than the roster's queue,
+ * the methods return snapshots (copies) of the roster data.
+ * These snapshots provide a thread-safe version of the roster data.
+ * The thread-safety comes from the fact that the copied data will not be altered,
+ * so it can therefore be used from multiple threads/queues if needed.
+**/
+
+- (XMPPUserMemoryStorageObject *)myUser;
+- (XMPPResourceMemoryStorageObject *)myResource;
+
+- (XMPPUserMemoryStorageObject *)userForJID:(XMPPJID *)jid;
+- (XMPPResourceMemoryStorageObject *)resourceForJID:(XMPPJID *)jid;
+
+- (NSArray *)sortedUsersByName;
+- (NSArray *)sortedUsersByAvailabilityName;
+
+- (NSArray *)sortedAvailableUsersByName;
+- (NSArray *)sortedUnavailableUsersByName;
+
+- (NSArray *)unsortedUsers;
+- (NSArray *)unsortedAvailableUsers;
+- (NSArray *)unsortedUnavailableUsers;
+
+- (NSArray *)sortedResources:(BOOL)includeResourcesForMyUserExcludingMyself;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRosterMemoryStorageDelegate
+@optional
+
+/**
+ * The XMPPRosterStorage classes use the same delegate as their parent XMPPRoster.
+**/
+
+/**
+ * Catch-all change notification.
+ * 
+ * When the roster changes, for any of the reasons listed below, this delegate method fires.
+ * This method always fires after the more precise delegate methods listed below.
+**/
+- (void)xmppRosterDidChange:(XMPPRosterMemoryStorage *)sender;
+
+/**
+ * Notification that the roster has received the roster from the server.
+ * 
+ * If parent.autoFetchRoster is YES, the roster will automatically be fetched once the user authenticates.
+**/
+- (void)xmppRosterDidPopulate:(XMPPRosterMemoryStorage *)sender;
+
+/**
+ * Notifications that the roster has changed.
+ * 
+ * This includes times when users are added or removed from our roster, or when a nickname is changed,
+ * including when other resources logged in under the same user account as us make changes to our roster.
+ * 
+ * This does not include when resources simply go online / offline.
+**/
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender didAddUser:(XMPPUserMemoryStorageObject *)user;
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender didUpdateUser:(XMPPUserMemoryStorageObject *)user;
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender didRemoveUser:(XMPPUserMemoryStorageObject *)user;
+
+/**
+ * Notifications when resources go online / offline.
+**/
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender
+    didAddResource:(XMPPResourceMemoryStorageObject *)resource
+          withUser:(XMPPUserMemoryStorageObject *)user;
+
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender
+ didUpdateResource:(XMPPResourceMemoryStorageObject *)resource
+          withUser:(XMPPUserMemoryStorageObject *)user;
+
+- (void)xmppRoster:(XMPPRosterMemoryStorage *)sender
+ didRemoveResource:(XMPPResourceMemoryStorageObject *)resource
+          withUser:(XMPPUserMemoryStorageObject *)user;
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.m b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.m
new file mode 100644
index 0000000..cd6e457
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStorage.m
@@ -0,0 +1,860 @@
+#import "XMPP.h"
+#import "XMPPRosterPrivate.h"
+#import "XMPPRosterMemoryStorage.h"
+#import "XMPPRosterMemoryStoragePrivate.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertPrivateQueue() \
+        NSAssert(dispatch_get_specific(parentQueueTag), @"Private method: MUST run on parentQueue");
+
+#define AssertParentQueue() \
+        NSAssert(dispatch_get_specific(parentQueueTag), @"Private protocol method: MUST run on parentQueue");
+
+@interface XMPPRosterMemoryStorage ()
+
+@property (readonly) dispatch_queue_t parentQueue;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRosterMemoryStorage
+
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		userClass = [XMPPUserMemoryStorageObject class];
+		resourceClass = [XMPPResourceMemoryStorageObject class];
+		
+		roster = [[NSMutableDictionary alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)configureWithParent:(XMPPRoster *)aParent queue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(aParent != nil);
+	NSParameterAssert(queue != NULL);
+	
+	@synchronized(self)
+	{
+		if ((parent == nil) && (parentQueue == NULL))
+		{
+			parent = aParent;
+			parentQueue = queue;
+			parentQueueTag = &parentQueueTag;
+			dispatch_queue_set_specific(parentQueue, parentQueueTag, parentQueueTag, NULL);
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(parentQueue);
+			#endif
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	if (parentQueue)
+		dispatch_release(parentQueue);
+	#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize userClass;
+@synthesize resourceClass;
+
+- (XMPPRoster *)parent
+{
+	XMPPRoster *result = nil;
+	
+	@synchronized(self) // synchronized with configureWithParent:queue:
+	{
+		result = parent;
+	}
+	
+	return result;
+}
+
+- (dispatch_queue_t)parentQueue
+{
+	dispatch_queue_t result = NULL;
+	
+	@synchronized(self) // synchronized with configureWithParent:queue:
+	{
+		result = parentQueue;
+	}
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (GCDMulticastDelegate <XMPPRosterMemoryStorageDelegate> *)multicastDelegate
+{
+	return (GCDMulticastDelegate <XMPPRosterMemoryStorageDelegate> *)[parent multicastDelegate];
+}
+
+- (XMPPUserMemoryStorageObject *)_userForJID:(XMPPJID *)jid
+{
+	AssertPrivateQueue();
+	
+	XMPPUserMemoryStorageObject *result = roster[[jid bareJID]];
+	
+	if (result)
+	{
+		return result;
+	}
+	
+	XMPPJID *myBareJID = [myJID bareJID];
+	XMPPJID *bareJID = [jid bareJID];
+	
+	if ([bareJID isEqualToJID:myBareJID])
+	{
+		return myUser;
+	}
+	
+	return nil;
+}
+
+- (XMPPResourceMemoryStorageObject *)_resourceForJID:(XMPPJID *)jid
+{
+	AssertPrivateQueue();
+	
+	XMPPUserMemoryStorageObject *user = [self _userForJID:jid];
+	return (XMPPResourceMemoryStorageObject *)[user resourceForJID:jid];
+}
+
+- (NSArray *)_unsortedUsers
+{
+	AssertPrivateQueue();
+	
+	return [roster allValues];
+}
+
+- (NSArray *)_unsortedAvailableUsers
+{
+	AssertPrivateQueue();
+	
+	NSArray *allUsers = [roster allValues];
+	
+	NSMutableArray *result = [NSMutableArray arrayWithCapacity:[allUsers count]];
+	
+	for (id <XMPPUser> user in allUsers)
+	{
+		if ([user isOnline])
+		{
+			[result addObject:user];
+		}
+	}
+	
+	return result;
+}
+
+- (NSArray *)_unsortedUnavailableUsers
+{
+	AssertPrivateQueue();
+	
+	NSArray *allUsers = [roster allValues];
+	
+	NSMutableArray *result = [NSMutableArray arrayWithCapacity:[allUsers count]];
+	
+	for (id <XMPPUser> user in allUsers)
+	{
+		if (![user isOnline])
+		{
+			[result addObject:user];
+		}
+	}
+	
+	return result;
+}
+
+- (NSArray *)_sortedUsersByName
+{
+	AssertPrivateQueue();
+	
+	return [[roster allValues] sortedArrayUsingSelector:@selector(compareByName:)];
+}
+
+- (NSArray *)_sortedUsersByAvailabilityName
+{
+	AssertPrivateQueue();
+	
+	return [[roster allValues] sortedArrayUsingSelector:@selector(compareByAvailabilityName:)];
+}
+
+- (NSArray *)_sortedAvailableUsersByName
+{
+	AssertPrivateQueue();
+	
+	return [[self _unsortedAvailableUsers] sortedArrayUsingSelector:@selector(compareByName:)];
+}
+
+- (NSArray *)_sortedUnavailableUsersByName
+{
+	AssertPrivateQueue();
+	
+	return [[self _unsortedUnavailableUsers] sortedArrayUsingSelector:@selector(compareByName:)];
+}
+
+- (NSArray *)_sortedResources:(BOOL)includeResourcesForMyUserExcludingMyself
+{
+	AssertPrivateQueue();
+	
+	// Add all the resouces from all the available users in the roster
+	// 
+	// Remember: There may be multiple resources per user
+	
+	NSArray *availableUsers = [self unsortedAvailableUsers];
+	
+	NSMutableArray *result = [NSMutableArray arrayWithCapacity:[availableUsers count]];
+	
+	for (id<XMPPUser> user in availableUsers)
+	{
+		[result addObjectsFromArray:[user allResources]];
+	}
+	
+	if (includeResourcesForMyUserExcludingMyself)
+	{
+		// Now add all the available resources from our own user account (excluding ourselves)
+		
+		NSArray *myResources = [myUser allResources];
+		
+		for (id<XMPPResource> resource in myResources)
+		{
+			if (![myJID isEqualToJID:[resource jid]])
+			{
+				[result addObject:resource];
+			}
+		}
+	}
+	
+	return [result sortedArrayUsingSelector:@selector(compare:)];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Roster Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPUserMemoryStorageObject *)myUser
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return myUser;
+	}
+	else
+	{
+		__block XMPPUserMemoryStorageObject *result;
+		
+		dispatch_sync(parentQueue, ^{
+			result = [myUser copy];
+		});
+		
+		return result;
+	}
+}
+
+- (XMPPResourceMemoryStorageObject *)myResource
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return (XMPPResourceMemoryStorageObject *)[myUser resourceForJID:myJID];
+	}
+	else
+	{
+		__block XMPPResourceMemoryStorageObject *result;
+		
+		dispatch_sync(parentQueue, ^{
+			XMPPResourceMemoryStorageObject *resource =
+			    (XMPPResourceMemoryStorageObject *)[myUser resourceForJID:myJID];
+			result = [resource copy];
+		});
+		
+		return result;
+	}
+}
+
+- (XMPPUserMemoryStorageObject *)userForJID:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _userForJID:jid];
+	}
+	else
+	{
+		__block XMPPUserMemoryStorageObject *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			XMPPUserMemoryStorageObject *user = [self _userForJID:jid];
+			result = [user copy];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (XMPPResourceMemoryStorageObject *)resourceForJID:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _resourceForJID:jid];
+	}
+	else
+	{
+		__block XMPPResourceMemoryStorageObject *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			XMPPResourceMemoryStorageObject *resource = [self _resourceForJID:jid];
+			result = [resource copy];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)sortedUsersByName
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _sortedUsersByName];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _sortedUsersByName];
+			
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)sortedUsersByAvailabilityName
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _sortedUsersByAvailabilityName];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _sortedUsersByAvailabilityName];
+			
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)sortedAvailableUsersByName
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _sortedAvailableUsersByName];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _sortedAvailableUsersByName];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)sortedUnavailableUsersByName
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _sortedUnavailableUsersByName];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _sortedUnavailableUsersByName];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)unsortedUsers
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _unsortedUsers];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _unsortedUsers];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)unsortedAvailableUsers
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _unsortedAvailableUsers];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _unsortedAvailableUsers];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)unsortedUnavailableUsers
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _unsortedUnavailableUsers];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _unsortedUnavailableUsers];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)sortedResources:(BOOL)includeResourcesForMyUserExcludingMyself
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return [self _sortedResources:includeResourcesForMyUserExcludingMyself];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			NSArray *temp = [self _sortedResources:includeResourcesForMyUserExcludingMyself];
+			result = [[NSArray alloc] initWithArray:temp copyItems:YES];
+			
+		}});
+		
+		return result;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPRosterStorage Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)beginRosterPopulationForXMPPStream:(XMPPStream *)stream withVersion:(NSString *)version
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	isRosterPopulation = YES;
+	
+	myJID = self.parent.xmppStream.myJID;
+	
+	myUser = [[self.userClass alloc] initWithJID:myJID];
+}
+
+- (void)endRosterPopulationForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	isRosterPopulation = NO;
+	
+	[[self multicastDelegate] xmppRosterDidPopulate:self]; 
+	[[self multicastDelegate] xmppRosterDidChange:self];
+}
+
+- (void)handleRosterItem:(NSXMLElement *)item xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	NSString *jidStr = [item attributeStringValueForName:@"jid"];
+	XMPPJID *jid = [[XMPPJID jidWithString:jidStr] bareJID];
+	
+	if (isRosterPopulation)
+	{
+		XMPPUserMemoryStorageObject *newUser =
+		    (XMPPUserMemoryStorageObject *)[[self.userClass alloc] initWithItem:item];
+		
+		roster[jid] = newUser;
+		
+		XMPPLogVerbose(@"roster(%lu): %@", (unsigned long)[roster count], roster);
+	}
+	else
+	{
+		NSString *subscription = [item attributeStringValueForName:@"subscription"];
+		
+		if ([subscription isEqualToString:@"remove"])
+		{
+			XMPPUserMemoryStorageObject *user = roster[jid];
+			if (user)
+			{
+				[roster removeObjectForKey:jid];
+				
+				XMPPLogVerbose(@"roster(%lu): %@", (unsigned long)[roster count], roster);
+				
+				[[self multicastDelegate] xmppRoster:self didRemoveUser:user];
+				[[self multicastDelegate] xmppRosterDidChange:self];
+			}
+		}
+		else
+		{
+			XMPPUserMemoryStorageObject *user = roster[jid];
+			if (user)
+			{
+				[user updateWithItem:item];
+				
+				XMPPLogVerbose(@"roster(%lu): %@", (unsigned long)[roster count], roster);
+				
+				[[self multicastDelegate] xmppRoster:self didUpdateUser:user];
+				[[self multicastDelegate] xmppRosterDidChange:self];
+			}
+			else
+			{
+				XMPPUserMemoryStorageObject *newUser =
+				    (XMPPUserMemoryStorageObject *)[[self.userClass alloc] initWithItem:item];
+				
+				roster[jid] = newUser;
+				
+				XMPPLogVerbose(@"roster(%lu): %@", (unsigned long)[roster count], roster);
+				
+				[[self multicastDelegate] xmppRoster:self didAddUser:newUser];
+				[[self multicastDelegate] xmppRosterDidChange:self];
+				
+			}
+		}
+	}
+}
+
+- (void)handlePresence:(XMPPPresence *)presence xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	int change = XMPP_USER_NO_CHANGE;
+	
+	XMPPUserMemoryStorageObject *user = nil;
+	XMPPResourceMemoryStorageObject *resource = nil;
+	
+	XMPPJID *jidKey = [[presence from] bareJID];
+	
+	user = roster[jidKey];
+	if (user == nil)
+	{
+		// Not a presence element from anyone in our roster (that we know of).
+		
+		if ([[myJID bareJID] isEqualToJID:jidKey])
+		{
+			// It's a presence element for our user, either our resource or another resource.
+			
+			user = myUser;
+		}
+		else if([parent allowRosterlessOperation])
+		{
+			// Unknown user (this is the first time we've encountered them).
+			// This happens if the roster is in rosterlessOperation mode.
+			
+			user = (XMPPUserMemoryStorageObject *)[[self.userClass alloc] initWithJID:jidKey];
+			
+			roster[jidKey] = user;
+			
+			[[self multicastDelegate] xmppRoster:self didAddUser:user];
+			[[self multicastDelegate] xmppRosterDidChange:self];
+		}
+	}
+	
+	change = [user updateWithPresence:presence resourceClass:self.resourceClass andGetResource:&resource];
+	
+	XMPPLogVerbose(@"roster(%lu): %@", (unsigned long)[roster count], roster);
+	
+	if (change == XMPP_USER_ADDED_RESOURCE)
+		[[self multicastDelegate] xmppRoster:self didAddResource:resource withUser:user];
+	
+	if (change == XMPP_USER_UPDATED_RESOURCE)
+		[[self multicastDelegate] xmppRoster:self didUpdateResource:resource withUser:user];
+	
+	if (change == XMPP_USER_REMOVED_RESOURCE)
+		[[self multicastDelegate] xmppRoster:self didRemoveResource:resource withUser:user];
+	
+	if (change != XMPP_USER_NO_CHANGE)
+		[[self multicastDelegate] xmppRosterDidChange:self];
+}
+
+- (BOOL)userExistsWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	XMPPJID *jidKey = [jid bareJID];
+	XMPPUserMemoryStorageObject *rosterUser = roster[jidKey];
+	
+	return (rosterUser != nil);
+}
+
+#if TARGET_OS_IPHONE
+- (void)setPhoto:(UIImage *)photo forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+#else
+- (void)setPhoto:(NSImage *)photo forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+#endif
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	XMPPJID *jidKey = [jid bareJID];
+	XMPPUserMemoryStorageObject *rosterUser = roster[jidKey];
+	
+	if (rosterUser)
+	{
+		[rosterUser setPhoto:photo];
+	}
+}
+
+- (void)clearAllResourcesForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	for (XMPPUserMemoryStorageObject *user in [roster objectEnumerator])
+	{
+		[user clearAllResources];
+	}
+	
+	[[self multicastDelegate] xmppRosterDidChange:self];
+}
+
+- (void)clearAllUsersAndResourcesForXMPPStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	[roster removeAllObjects];
+	
+	myUser = nil;
+	
+	[[self multicastDelegate] xmppRosterDidChange:self];
+}
+
+- (NSArray *)jidsForXMPPStream:(XMPPStream *)stream
+{
+    XMPPLogTrace();
+	AssertParentQueue();
+	
+    NSMutableArray *results = [NSMutableArray array];
+    
+	for (XMPPUserMemoryStorageObject *user in [roster objectEnumerator])
+	{
+        [results addObject:[user.jid bareJID]];
+	}
+    
+    return results;
+}
+
+- (void)getSubscription:(NSString **)subscription
+					ask:(NSString **)ask
+			   nickname:(NSString **)nickname
+				 groups:(NSArray **)groups
+				 forJID:(XMPPJID *)jid
+			 xmppStream:(XMPPStream *)stream
+{
+
+	XMPPLogTrace();
+	AssertParentQueue();
+
+	XMPPJID *jidKey = [jid bareJID];
+	XMPPUserMemoryStorageObject *rosterUser = roster[jidKey];
+
+	if(rosterUser)
+	{
+		if(subscription)
+		{
+			*subscription = rosterUser.subscription;
+		}
+
+		if(ask)
+		{
+			*ask = rosterUser.ask;
+		}
+
+		if(nickname)
+		{
+			*nickname = rosterUser.nickname;
+		}
+		
+		if(groups)
+		{
+			*groups = rosterUser.groups;
+		}
+	}
+}
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStoragePrivate.h b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStoragePrivate.h
new file mode 100644
index 0000000..c6f019d
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPRosterMemoryStoragePrivate.h
@@ -0,0 +1,50 @@
+#import "XMPPUserMemoryStorageObject.h"
+#import "XMPPResourceMemoryStorageObject.h"
+
+/**
+ * The following methods are designed to be invoked ONLY from
+ * within the XMPPRosterMemoryStorage implementation.
+ * 
+ * Warning: XMPPUserMemoryStorage and XMPPResourceMemoryStorage are not explicitly thread-safe.
+ * Only copies that are no longer being actively
+ * altered by the XMPPRosterMemoryStorage class should be considered read-only and therefore thread-safe.
+**/
+
+#define XMPP_USER_NO_CHANGE        0
+#define XMPP_USER_ADDED_RESOURCE   1
+#define XMPP_USER_UPDATED_RESOURCE 2
+#define XMPP_USER_REMOVED_RESOURCE 3
+
+
+@interface XMPPUserMemoryStorageObject ()
+
+- (void)commonInit;
+
+- (id)initWithJID:(XMPPJID *)aJid;
+- (id)initWithItem:(NSXMLElement *)item;
+
+- (void)updateWithItem:(NSXMLElement *)item;
+
+- (int)updateWithPresence:(XMPPPresence *)presence
+            resourceClass:(Class)resourceClass
+           andGetResource:(XMPPResourceMemoryStorageObject **)resourcePtr;
+
+- (void)clearAllResources;
+
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong, readwrite) UIImage *photo;
+#else
+@property (nonatomic, strong, readwrite) NSImage *photo;
+#endif
+
+@end
+
+@interface XMPPResourceMemoryStorageObject ()
+
+- (id)initWithPresence:(XMPPPresence *)aPresence;
+
+- (void)updateWithPresence:(XMPPPresence *)presence;
+
+- (XMPPPresence *)presence;
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.h b/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.h
new file mode 100644
index 0000000..3841df9
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.h
@@ -0,0 +1,82 @@
+#import <Foundation/Foundation.h>
+#import "XMPPUser.h"
+#import "XMPP.h"
+
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIKit.h>
+#else
+    #import <Cocoa/Cocoa.h>
+#endif
+
+@class XMPPResourceMemoryStorageObject;
+
+
+@interface XMPPUserMemoryStorageObject : NSObject <XMPPUser, NSCopying, NSSecureCoding>
+{
+	XMPPJID *jid;
+	NSMutableDictionary *itemAttributes;
+	NSMutableArray *groups;
+	
+	NSMutableDictionary *resources;
+	XMPPResourceMemoryStorageObject *primaryResource;
+	
+#if TARGET_OS_IPHONE
+	UIImage *photo;
+#else
+	NSImage *photo;
+#endif
+}
+
+/*	From the XMPPUser protocol
+	
+- (XMPPJID *)jid;
+- (NSString *)nickname;
+
+- (BOOL)isOnline;
+- (BOOL)isPendingApproval;
+
+- (id <XMPPResource>)primaryResource;
+- (id <XMPPResource>)resourceForJID:(XMPPJID *)jid;
+
+- (NSArray *)allResources;
+
+*/
+
+- (NSString *)subscription;
+
+- (NSString *)ask;
+
+/**
+ * Simple convenience method.
+ * If a nickname exists for the user, the nickname is returned.
+ * Otherwise the jid is returned (as a string).
+**/
+- (NSString *)displayName;
+
+/**
+ * An array of Group Names.
+**/
+- (NSArray *)groups;
+
+/**
+ * If XMPPvCardAvatarModule is included in the framework, the XMPPRoster will automatically integrate with it,
+ * and we'll save the the user photos after they've been downloaded.
+**/
+#if TARGET_OS_IPHONE
+@property (nonatomic, strong, readonly) UIImage *photo;
+#else
+@property (nonatomic, strong, readonly) NSImage *photo;
+#endif
+
+/**
+ * Simple comparison methods.
+**/
+
+- (NSComparisonResult)compareByName:(XMPPUserMemoryStorageObject *)another;
+- (NSComparisonResult)compareByName:(XMPPUserMemoryStorageObject *)another options:(NSStringCompareOptions)mask;
+
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserMemoryStorageObject *)another;
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserMemoryStorageObject *)another
+                                        options:(NSStringCompareOptions)mask;
+
+@end
diff --git a/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.m b/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.m
new file mode 100644
index 0000000..14633d1
--- /dev/null
+++ b/Extensions/Roster/MemoryStorage/XMPPUserMemoryStorageObject.m
@@ -0,0 +1,512 @@
+#import "XMPP.h"
+#import "XMPPRosterMemoryStoragePrivate.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface XMPPUserMemoryStorageObject (PrivateAPI)
+- (void)recalculatePrimaryResource;
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPUserMemoryStorageObject
+
+- (void)commonInit
+{
+	// This method is here to more easily support subclassing.
+	// That way subclasses can optionally override just commonInit, instead of each individual init method.
+	// 
+	// If you override this method, don't forget to invoke [super commonInit];
+	
+	resources = [[NSMutableDictionary alloc] initWithCapacity:1];
+}
+
+- (id)initWithJID:(XMPPJID *)aJid
+{
+	if ((self = [super init]))
+	{
+		jid = [aJid bareJID];
+		
+		itemAttributes = [[NSMutableDictionary alloc] initWithCapacity:0];
+		
+		groups = [[NSMutableArray alloc] initWithCapacity:0];
+		
+		[self commonInit];
+	}
+	return self;
+}
+
+- (id)initWithItem:(NSXMLElement *)item
+{
+	if ((self = [super init]))
+	{
+		NSString *jidStr = [item attributeStringValueForName:@"jid"];
+		jid = [[XMPPJID jidWithString:jidStr] bareJID];
+		
+		itemAttributes = [item attributesAsDictionary];
+		
+		groups = [[NSMutableArray alloc] initWithCapacity:0];
+		
+		NSArray *groupElements = [item elementsForName:@"group"];
+		
+		for (NSXMLElement *groupElement in groupElements) {
+			NSString *groupName = [groupElement stringValue];
+		
+			if ([groupName length])
+			{
+				[groups addObject:groupName];
+			}
+		}
+		
+		[self commonInit];
+	}
+	return self;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPUserMemoryStorageObject *deepCopy = (XMPPUserMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->jid = [jid copy];
+	deepCopy->itemAttributes = [itemAttributes mutableCopy];
+	deepCopy->groups = [groups mutableCopy];
+	
+	deepCopy->resources = [[NSMutableDictionary alloc] initWithCapacity:[resources count]];
+	
+	for (XMPPJID *key in resources)
+	{
+		XMPPResourceMemoryStorageObject *resourceCopy = [resources[key] copy];
+		
+		deepCopy->resources[key] = resourceCopy;
+	}
+	
+	[deepCopy recalculatePrimaryResource];
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if ([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if ([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                jid             = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+                itemAttributes  = [[coder decodeObjectOfClass:[NSDictionary class] forKey:@"itemAttributes"] mutableCopy];
+                groups          = [[coder decodeObjectOfClass:[NSArray class] forKey:@"groups"] mutableCopy];
+#if TARGET_OS_IPHONE
+                photo           = [[UIImage alloc] initWithData:[coder decodeObjectOfClass:[NSData class] forKey:@"photo"]];
+#else
+                photo           = [[NSImage alloc] initWithData:[coder decodeObjectOfClass:[NSData class] forKey:@"photo"]];
+#endif
+                resources       = [[coder decodeObjectOfClass:[NSDictionary class] forKey:@"resources"] mutableCopy];
+                primaryResource = [coder decodeObjectOfClass:[XMPPResourceMemoryStorageObject class] forKey:@"primaryResource"];
+            }
+            else
+            {
+                jid             = [coder decodeObjectForKey:@"jid"];
+                itemAttributes  = [[coder decodeObjectForKey:@"itemAttributes"] mutableCopy];
+                groups          = [[coder decodeObjectForKey:@"groups"] mutableCopy];
+#if TARGET_OS_IPHONE
+                photo           = [[UIImage alloc] initWithData:[coder decodeObjectForKey:@"photo"]];
+#else
+                photo           = [[NSImage alloc] initWithData:[coder decodeObjectForKey:@"photo"]];
+#endif
+                resources       = [[coder decodeObjectForKey:@"resources"] mutableCopy];
+                primaryResource = [coder decodeObjectForKey:@"primaryResource"];
+            }
+		}
+		else
+		{
+			jid             = [coder decodeObject];
+			itemAttributes  = [[coder decodeObject] mutableCopy];
+			groups          = [[coder decodeObject] mutableCopy];
+		#if TARGET_OS_IPHONE
+			photo           = [[UIImage alloc] initWithData:[coder decodeObject]];
+		#else
+			photo           = [[NSImage alloc] initWithData:[coder decodeObject]];
+		#endif	
+			resources       = [[coder decodeObject] mutableCopy];
+			primaryResource = [coder decodeObject];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:jid forKey:@"jid"];
+		[coder encodeObject:itemAttributes forKey:@"itemAttributes"];
+		[coder encodeObject:groups forKey:@"groups"];
+	#if TARGET_OS_IPHONE
+		[coder encodeObject:UIImagePNGRepresentation(photo) forKey:@"photo"];
+	#else
+		[coder encodeObject:[photo TIFFRepresentation] forKey:@"photo"];
+	#endif
+		[coder encodeObject:resources forKey:@"resources"];
+		[coder encodeObject:primaryResource forKey:@"primaryResource"];
+	}
+	else
+	{
+		[coder encodeObject:jid];
+		[coder encodeObject:itemAttributes];
+		[coder encodeObject:groups];
+	#if TARGET_OS_IPHONE
+		[coder encodeObject:UIImagePNGRepresentation(photo)];
+	#else
+		[coder encodeObject:[photo TIFFRepresentation]];
+	#endif
+		[coder encodeObject:resources];
+		[coder encodeObject:primaryResource];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Standard Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize photo;
+
+- (XMPPJID *)jid
+{
+	return jid;
+}
+
+- (NSString *)nickname
+{
+	return (NSString *) itemAttributes[@"name"];
+}
+
+- (NSString *)subscription
+{
+	return (NSString *) itemAttributes[@"subscription"];
+}
+
+- (NSString *)ask
+{
+	return (NSString *) itemAttributes[@"ask"];
+}
+
+- (NSString *)displayName
+{
+	NSString *nickname = [self nickname];
+	if (nickname)
+		return nickname;
+	else
+		return [jid bare];
+}
+
+- (NSArray *)groups
+{
+	return [groups copy];
+}
+
+- (BOOL)isOnline
+{
+	return (primaryResource != nil);
+}
+
+- (BOOL)isPendingApproval
+{
+	// Either of the following mean we're waiting to have our presence subscription approved:
+	// <item ask='subscribe' subscription='none' jid='robbiehanson@deusty.com'/>
+	// <item ask='subscribe' subscription='from' jid='robbiehanson@deusty.com'/>
+	
+	NSString *subscription = itemAttributes[@"subscription"];
+	NSString *ask = itemAttributes[@"ask"];
+	
+	if ([subscription isEqualToString:@"none"] || [subscription isEqualToString:@"from"])
+	{
+		if([ask isEqualToString:@"subscribe"])
+		{
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (id <XMPPResource>)primaryResource
+{
+	return primaryResource;
+}
+
+- (id <XMPPResource>)resourceForJID:(XMPPJID *)aJid
+{
+	return resources[aJid];
+}
+
+- (NSArray *)allResources
+{
+	return [resources allValues];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Hooks
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didAddResource:(XMPPResourceMemoryStorageObject *)resource withPresence:(XMPPPresence *)presence
+{
+	// Override / customization hook
+}
+
+- (void)willUpdateResource:(XMPPResourceMemoryStorageObject *)resource withPresence:(XMPPPresence *)presence
+{
+	// Override / customization hook
+}
+
+- (void)didUpdateResource:(XMPPResourceMemoryStorageObject *)resource withPresence:(XMPPPresence *)presence
+{
+	// Override / customization hook
+}
+
+- (void)didRemoveResource:(XMPPResourceMemoryStorageObject *)resource withPresence:(XMPPPresence *)presence
+{
+	// Override / customization hook
+}
+
+- (void)recalculatePrimaryResource
+{
+	// Override me to customize how the primary resource is chosen.
+	// 
+	// This method uses the [XMPPResourceMemoryStorage compare:] method to sort the resources,
+	// and properly supports negative (bot) priorities.
+	
+	primaryResource = nil;
+	
+	NSArray *sortedResources = [[self allResources] sortedArrayUsingSelector:@selector(compare:)];
+	if ([sortedResources count] > 0)
+	{
+		XMPPResourceMemoryStorageObject *possiblePrimary = sortedResources[0];
+		
+		// Primary resource must have a non-negative priority
+		if ([[possiblePrimary presence] priority] >= 0)
+		{
+			primaryResource = possiblePrimary;
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Update Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)clearAllResources
+{
+	[resources removeAllObjects];
+	
+	primaryResource = nil;
+}
+
+- (void)updateWithItem:(NSXMLElement *)item
+{
+	[itemAttributes removeAllObjects];
+	
+	for (NSXMLNode *node in [item attributes])
+	{
+		NSString *key   = [node name];
+		NSString *value = [node stringValue];
+		
+		itemAttributes[key] = value;
+	}
+	
+	[groups removeAllObjects];
+	
+	NSArray *groupElements = [item elementsForName:@"group"];
+	
+	for (NSXMLElement *groupElement in groupElements) {
+		NSString *groupName = [groupElement stringValue];
+		
+		if ([groupName length])
+		{
+			[groups addObject:groupName];
+		}
+	}
+}
+
+- (int)updateWithPresence:(XMPPPresence *)presence
+            resourceClass:(Class)resourceClass
+           andGetResource:(XMPPResourceMemoryStorageObject **)resourcePtr
+{
+	int result = XMPP_USER_NO_CHANGE;
+	XMPPResourceMemoryStorageObject *resource;
+	
+	XMPPJID *key = [presence from];
+	NSString *presenceType = [presence type];
+	
+	if ([presenceType isEqualToString:@"unavailable"] || [presenceType isEqualToString:@"error"])
+	{
+		resource = resources[key];
+		if (resource)
+		{
+			[resources removeObjectForKey:key];
+			[self didRemoveResource:resource withPresence:presence];
+			
+			result = XMPP_USER_REMOVED_RESOURCE;
+		}
+	}
+	else
+	{
+		resource = resources[key];
+		if (resource)
+		{
+			[self willUpdateResource:resource withPresence:presence];
+			[resource updateWithPresence:presence];
+			[self didUpdateResource:resource withPresence:presence];
+			
+			result = XMPP_USER_UPDATED_RESOURCE;
+		}
+		else
+		{
+			resource = (XMPPResourceMemoryStorageObject *)[[resourceClass alloc] initWithPresence:presence];
+			
+			resources[key] = resource;
+			[self didAddResource:resource withPresence:presence];
+			
+			result = XMPP_USER_ADDED_RESOURCE;
+		}
+	}
+	
+	[self recalculatePrimaryResource];
+	
+	if (resourcePtr)
+		*resourcePtr = resource;
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparisons
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the result of invoking compareByName:options: with no options.
+**/
+- (NSComparisonResult)compareByName:(XMPPUserMemoryStorageObject *)another
+{
+	return [self compareByName:another options:0];
+}
+
+/**
+ * This method compares the two users according to their display name.
+ * 
+ * Options for the search — you can combine any of the following using a C bitwise OR operator:
+ * NSCaseInsensitiveSearch, NSLiteralSearch, NSNumericSearch.
+ * See "String Programming Guide for Cocoa" for details on these options.
+**/
+- (NSComparisonResult)compareByName:(XMPPUserMemoryStorageObject *)another options:(NSStringCompareOptions)mask
+{
+	NSString *myName = [self displayName];
+	NSString *theirName = [another displayName];
+	
+	return [myName compare:theirName options:mask];
+}
+
+/**
+ * Returns the result of invoking compareByAvailabilityName:options: with no options.
+**/
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserMemoryStorageObject *)another
+{
+	return [self compareByAvailabilityName:another options:0];
+}
+
+/**
+ * This method compares the two users according to availability first, and then display name.
+ * Thus available users come before unavailable users.
+ * If both users are available, or both users are not available,
+ * this method follows the same functionality as the compareByName:options: as documented above.
+**/
+- (NSComparisonResult)compareByAvailabilityName:(XMPPUserMemoryStorageObject *)another
+                                        options:(NSStringCompareOptions)mask
+{
+	if ([self isOnline])
+	{
+		if ([another isOnline])
+			return [self compareByName:another options:mask];
+		else
+			return NSOrderedAscending;
+	}
+	else
+	{
+		if ([another isOnline])
+			return NSOrderedDescending;
+		else
+			return [self compareByName:another options:mask];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	return [jid hash];
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if ([anObject isMemberOfClass:[self class]])
+	{
+		XMPPUserMemoryStorageObject *another = (XMPPUserMemoryStorageObject *)anObject;
+		
+		return [jid isEqualToJID:[another jid]];
+	}
+	
+	return NO;
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"<XMPPUser[%p]: %@>", self, [jid bare]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark KVO Compliance methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSSet *)keyPathsForValuesAffectingIsOnline
+{
+    return [NSSet setWithObject:@"primaryResource"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingAllResources {
+    return [NSSet setWithObject:@"resources"];
+}
+
+@end
diff --git a/Extensions/Roster/XMPPResource.h b/Extensions/Roster/XMPPResource.h
new file mode 100644
index 0000000..43ee555
--- /dev/null
+++ b/Extensions/Roster/XMPPResource.h
@@ -0,0 +1,15 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+
+@protocol XMPPResource <NSObject>
+@required
+
+- (XMPPJID *)jid;
+- (XMPPPresence *)presence;
+
+- (NSDate *)presenceDate;
+
+- (NSComparisonResult)compare:(id <XMPPResource>)another;
+
+@end
diff --git a/Extensions/Roster/XMPPRoster.h b/Extensions/Roster/XMPPRoster.h
new file mode 100644
index 0000000..7342edd
--- /dev/null
+++ b/Extensions/Roster/XMPPRoster.h
@@ -0,0 +1,406 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIKit.h>
+#else
+    #import <Cocoa/Cocoa.h>
+#endif
+
+#import "XMPP.h"
+#import "XMPPUser.h"
+#import "XMPPResource.h"
+
+#define _XMPP_ROSTER_H
+
+@protocol XMPPRosterStorage;
+@class DDList;
+@class XMPPIDTracker;
+
+/**
+ * The XMPPRoster provides the scaffolding for a roster solution.
+ * It handles the basics of the xmpp roster communication,
+ * and leaves the rest up to the xmppRosterStorage classes.
+ * 
+ * You are free to extend, change, customize, or tweak the sample storage classes that come with the framework:
+ * XMPPRosterMemoryStorage
+ * XMPPRosterCoreDataStorage
+ * 
+ * You can also completely implment your own roster storage class if you'd like.
+ * The point of all this customizability is simple:
+ *   The roster is the component of the xmpp stack that is most often customized for a particular application.
+ * 
+ * 
+ * Inter-Module Interaction:
+ * 
+ * If you use XMPPvCardAvatarModule, the roster will automatically support user photos.
+**/
+@interface XMPPRoster : XMPPModule
+{
+/*	Inherited from XMPPModule:
+	
+	XMPPStream *xmppStream;
+ 
+	dispatch_queue_t moduleQueue;
+	id multicastDelegate;
+ */
+	__strong id <XMPPRosterStorage> xmppRosterStorage;
+    
+    XMPPIDTracker *xmppIDTracker;
+	
+	Byte config;
+	Byte flags;
+	
+	NSMutableArray *earlyPresenceElements;
+	
+	DDList *mucModules;
+}
+
+- (id)initWithRosterStorage:(id <XMPPRosterStorage>)storage;
+- (id)initWithRosterStorage:(id <XMPPRosterStorage>)storage dispatchQueue:(dispatch_queue_t)queue;
+
+/* Inherited from XMPPModule:
+
+- (BOOL)activate:(XMPPStream *)xmppStream;
+- (void)deactivate;
+
+@property (readonly) XMPPStream *xmppStream;
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate;
+
+- (NSString *)moduleName;
+ 
+*/
+
+@property (strong, readonly) id <XMPPRosterStorage> xmppRosterStorage;
+
+/**
+ * Whether or not to automatically fetch the roster from the server.
+ * 
+ * The default value is YES.
+**/
+@property (assign) BOOL autoFetchRoster;
+
+/**
+ * Whether or not to automatically clear all Users and Resources when the stream disconnects.
+ * If you are using XMPPRosterCoreDataStorage you may want to set autoRemovePreviousDatabaseFile to NO.
+ *
+ * All Users and Resources will be cleared when the roster is next populated regardless of this property.
+ *
+ * The default value is YES.
+**/
+@property (assign) BOOL autoClearAllUsersAndResources;
+
+/**
+ * In traditional IM applications, the "buddy" system is rather straightforward.
+ * User A sends a request to become "friends" with user B.
+ * User B accepts the friend request.
+ * And now user A and B appear in each other's roster.
+ * 
+ * But, internally, XMPP presence actually works more like twitter.
+ * User A sends a presence subscription request to user B.
+ * Think about this more like following on twitter.
+ * User A is requesting permission to receive presence information from user B (following their presence).
+ * User B can accept this request, but may not be interested in receiving presence info from user B.
+ * Again, this is more like twitter following, but with the addition of required permission.
+ * So when user B accepts the request, this *only* means that user A will receive presence from user B.
+ * It does *not* mean that user B will receive presence from user A.
+ * Again, twitter-style, user A is now "following" user B.
+ * In diagram form, presence is flowing like this:
+ * 
+ *   A <-- B
+ * 
+ * Now, if B also wants to receive presence from user A, then user B must request this permission.
+ * And furthermore, user A must accept the request.
+ * Just because B has granted A permission to receive presence,
+ * doesn't mean that B gets a free pass to receive presence from A.
+ * Presence always requires permission.
+ * 
+ * This property does the following:
+ * If a presence subscription request is received from user X,
+ * and user X has already been added to our roster (is a "known" user),
+ * then the presence subscription request is automatically accepted.
+ * 
+ * Continuing the example from above, if we were user A, and we've already added B to our roster,
+ * then if B sends a presence susbcription request, we'll auto accept it.
+ * 
+ * This makes the roster act more like traditional IM applications.
+ * 
+ * The default value is YES.
+**/
+@property (assign) BOOL autoAcceptKnownPresenceSubscriptionRequests;
+
+/**
+ * Allows the roster module to function without ever fetching the full roster.
+ * This is helpful for situations in which the roster is very big, yet the application only cares about online users.
+ * 
+ * Typically, the roster module creates users based on the fetched full roster,
+ * and then creates resources based on received presence.
+ * 
+ * In this mode, the roster module will automatically create a user once a presence is received,
+ * if the user has never been seen before.
+ * 
+ * If allowRosterlessOperation is enabled, and autoFetchRoster is disabled (and roster is never manually fetched),
+ * then XMPPUser's will be missing certain information that is only available via a roster fetch
+ * (such as nickname, group, and subscription information).
+ * 
+ * The default value is NO.
+**/
+@property (assign) BOOL allowRosterlessOperation;
+
+/**
+ * The roster has either been requested manually (fetchRoster:)
+ * or automatically (autoFetchRoster) but has yet to be populated.
+**/
+@property (assign, getter = hasRequestedRoster, readonly) BOOL requestedRoster;
+
+/**
+ * The initial roster has been received by client and is currently being populated.
+ * @see xmppRosterDidBeginPopulating:withVersion:
+ * @see xmppRosterDidEndPopulating:
+**/
+@property (assign, getter = isPopulating, readonly) BOOL populating;
+
+/**
+ * The initial roster has been received by client and populated.
+**/
+@property (assign, readonly) BOOL hasRoster;
+
+/**
+ * Manually fetch the roster from the server.
+ * Useful if you disable autoFetchRoster.
+**/
+- (void)fetchRoster;
+- (void)fetchRosterVersion:(NSString *)version;
+
+/**
+ * Adds the given user to the roster with an optional nickname 
+ * and requests permission to receive presence information from them.
+**/
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName;
+
+/**
+ * Adds the given user to the roster with an optional nickname, 
+ * adds the given user to groups
+ * and requests permission to receive presence information from them.
+**/
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName groups:(NSArray *)groups;
+
+/**
+ * Adds the given user to the roster with an optional nickname,
+ * adds the given user to groups
+ * and optionally requests permission to receive presence information from them.
+**/
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName groups:(NSArray *)groups subscribeToPresence:(BOOL)subscribe;
+
+/**
+ * Sets/modifies the nickname for the given user.
+**/
+- (void)setNickname:(NSString *)nickname forUser:(XMPPJID *)jid;
+
+/**
+ * Remove the user from the roster, unsubscribe from their presence, AND
+ * revoke given user's permission to receive our presence (if they have such permission).
+ * 
+ * This is similar to removing a buddy in a traditional IM model.
+ * 
+ * @see unsubscribePresenceFromUser:
+ * @see revokePresencePermissionFromUser:
+**/
+- (void)removeUser:(XMPPJID *)jid;
+
+/**
+ * If we don't currently receive presence from the given user,
+ * this method requests a subscription to start receiving presence updates from the given user.
+ * 
+ * This is similar to following in the twitter model.
+ * 
+ * Note: If the given user isn't already in the roster, it is recommended to instead use addUser:withNickname:.
+ * 
+ * @see addUser:withNickname:
+**/
+- (void)subscribePresenceToUser:(XMPPJID *)jid;
+
+/**
+ * If we currently have a presence subscription to the given user,
+ * this method then removes the subscription.
+ * 
+ * This is similar to unfollowing in the twitter model.
+ * 
+ * If the given user has a presence subscription to us (they're following our presence),
+ * then their presence subscription to us is left intact.
+ * 
+ * @see removeUser:
+ * @see revokePresencePermissionFromUser:
+**/
+- (void)unsubscribePresenceFromUser:(XMPPJID *)jid;
+
+/**
+ * If we have previously accepted a presence subscription request from the given user,
+ * this method revokes the previously granted permission.
+ * 
+ * This is similar to forcing the given user to unfollow us in the twitter model.
+ * 
+ * If we have a presence subscription to the given user (we're following their presence),
+ * then our presence subscription to them is left intact.
+ * 
+ * @see removeUser:
+ * @see unsubscribePresenceFromUser:
+**/
+- (void)revokePresencePermissionFromUser:(XMPPJID *)jid;
+
+/**
+ * Accepts the presence subscription request the given user.
+ * 
+ * If you also choose, you can add the user to your roster.
+ * Doing so is similar to the traditional IM model.
+**/
+- (void)acceptPresenceSubscriptionRequestFrom:(XMPPJID *)jid andAddToRoster:(BOOL)flag;
+
+/**
+ * Rejects the presence subscription request from the given user.
+ * 
+ * If you are already subscribed to the given user's presence,
+ * rejecting they subscription request will not affect your subscription to their presence.
+**/
+- (void)rejectPresenceSubscriptionRequestFrom:(XMPPJID *)jid;
+
+// 
+// 
+// You can access/enumerate the users & resources via the roster storage class (xmppRosterStorage property).
+// 
+// Rember, XMPPRoster is just the scaffolding for a complete and customizable roster solution.
+// The roster storage classes hold the majority of the magic.
+// 
+// And since you're free to plug-n-play storage classes, and customize them as much as you want.
+// This is where you can really tailor the xmpp stack to meet the needs of your application.
+// 
+// 
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRosterStorage <NSObject>
+@required
+
+// 
+// 
+// -- PUBLIC METHODS --
+// 
+// There are no public methods required by this protocol.
+// 
+// Each individual roster storage class will provide a proper way to access/enumerate the
+// users/resources according to the underlying storage mechanism.
+// 
+
+
+// 
+// 
+// -- PRIVATE METHODS --
+// 
+// These methods are designed to be used ONLY by the XMPPRoster class.
+// 
+// 
+
+/**
+ * Configures the storage class, passing its parent and parent's dispatch queue.
+ * 
+ * This method is called by the init method of the XMPPRoster class.
+ * This method is designed to inform the storage class of its parent
+ * and of the dispatch queue the parent will be operating on.
+ * 
+ * The storage class may choose to operate on the same queue as its parent,
+ * or it may operate on its own internal dispatch queue.
+ * 
+ * This method should return YES if it was configured properly.
+ * If a storage class is designed to be used with a single parent at a time, this method may return NO.
+ * The XMPPRoster class is configured to ignore the passed
+ * storage class in its init method if this method returns NO.
+**/
+- (BOOL)configureWithParent:(XMPPRoster *)aParent queue:(dispatch_queue_t)queue;
+
+- (void)beginRosterPopulationForXMPPStream:(XMPPStream *)stream withVersion:(NSString *)version;
+- (void)endRosterPopulationForXMPPStream:(XMPPStream *)stream;
+
+- (void)handleRosterItem:(NSXMLElement *)item xmppStream:(XMPPStream *)stream;
+- (void)handlePresence:(XMPPPresence *)presence xmppStream:(XMPPStream *)stream;
+
+- (BOOL)userExistsWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+- (void)clearAllResourcesForXMPPStream:(XMPPStream *)stream;
+- (void)clearAllUsersAndResourcesForXMPPStream:(XMPPStream *)stream;
+
+- (NSArray *)jidsForXMPPStream:(XMPPStream *)stream;
+
+- (void)getSubscription:(NSString **)subscription
+                    ask:(NSString **)ask
+               nickname:(NSString **)nickname
+                 groups:(NSArray **)groups
+                 forJID:(XMPPJID *)jid
+             xmppStream:(XMPPStream *)stream;
+
+@optional
+
+/**
+ * When XMPPvCardAvatarModule is included in the framework, the roster will integrate with it.
+ * Implement this method to provide support for storing the downloaded user photos.
+**/
+#if TARGET_OS_IPHONE
+- (void)setPhoto:(UIImage *)image forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+#else
+- (void)setPhoto:(NSImage *)image forUserWithJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+#endif
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRosterDelegate
+@optional
+
+/**
+ * Sent when a presence subscription request is received.
+ * That is, another user has added you to their roster,
+ * and is requesting permission to receive presence broadcasts that you send.
+ * 
+ * The entire presence packet is provided for proper extensibility.
+ * You can use [presence from] to get the JID of the user who sent the request.
+ * 
+ * The methods acceptPresenceSubscriptionRequestFrom: and rejectPresenceSubscriptionRequestFrom: can
+ * be used to respond to the request.
+**/
+- (void)xmppRoster:(XMPPRoster *)sender didReceivePresenceSubscriptionRequest:(XMPPPresence *)presence;
+
+/**
+ * Sent when a Roster Push is received as specified in Section 2.1.6 of RFC 6121.
+**/
+- (void)xmppRoster:(XMPPRoster *)sender didReceiveRosterPush:(XMPPIQ *)iq;
+
+/**
+ * Sent when the initial roster is received.
+**/
+- (void)xmppRosterDidBeginPopulating:(XMPPRoster *)sender withVersion:(NSString *)version;
+
+/**
+ * Sent when the initial roster has been populated into storage.
+**/
+- (void)xmppRosterDidEndPopulating:(XMPPRoster *)sender;
+
+/**
+ * Sent when the roster receives a roster item.
+ *
+ * Example:
+ *
+ * <item jid='romeo@example.net' name='Romeo' subscription='both'>
+ *   <group>Friends</group>
+ * </item>
+**/
+- (void)xmppRoster:(XMPPRoster *)sender didReceiveRosterItem:(NSXMLElement *)item;
+
+@end
diff --git a/Extensions/Roster/XMPPRoster.m b/Extensions/Roster/XMPPRoster.m
new file mode 100644
index 0000000..65c3d89
--- /dev/null
+++ b/Extensions/Roster/XMPPRoster.m
@@ -0,0 +1,1006 @@
+#import "XMPPRoster.h"
+#import "XMPP.h"
+#import "XMPPIDTracker.h"
+#import "XMPPLogging.h"
+#import "XMPPFramework.h"
+#import "DDList.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+enum XMPPRosterConfig
+{
+	kAutoFetchRoster = 1 << 0,                   // If set, we automatically fetch roster after authentication
+	kAutoAcceptKnownPresenceSubscriptionRequests = 1 << 1, // See big description in header file... :D
+	kRosterlessOperation = 1 << 2,
+    kAutoClearAllUsersAndResources = 1 << 3,
+};
+enum XMPPRosterFlags
+{
+	kRequestedRoster = 1 << 0,  // If set, we have requested the roster
+	kHasRoster       = 1 << 1,  // If set, we have received the roster
+    kPopulatingRoster = 1 << 2,  // If set, we are populating the roster
+};
+
+@interface XMPPRoster (PrivateAPI)
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoster
+
+- (id)init
+{
+	return [self initWithRosterStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	return [self initWithRosterStorage:nil dispatchQueue:queue];
+}
+
+- (id)initWithRosterStorage:(id <XMPPRosterStorage>)storage
+{
+	return [self initWithRosterStorage:storage dispatchQueue:NULL];
+}
+
+- (id)initWithRosterStorage:(id <XMPPRosterStorage>)storage dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(storage != nil);
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([storage configureWithParent:self queue:moduleQueue])
+		{
+			xmppRosterStorage = storage;
+		}
+		else
+		{
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+		
+		config = kAutoFetchRoster | kAutoAcceptKnownPresenceSubscriptionRequests | kAutoClearAllUsersAndResources;
+		flags = 0;
+		
+		earlyPresenceElements = [[NSMutableArray alloc] initWithCapacity:2];
+		
+		mucModules = [[DDList alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	XMPPLogTrace();
+	
+	if ([super activate:aXmppStream])
+	{
+        XMPPLogVerbose(@"%@: Activated", THIS_FILE);
+
+        xmppIDTracker = [[XMPPIDTracker alloc] initWithStream:xmppStream dispatchQueue:moduleQueue];
+		
+		#ifdef _XMPP_VCARD_AVATAR_MODULE_H
+		{
+			// Automatically tie into the vCard system so we can store user photos.
+			
+			[xmppStream autoAddDelegate:self
+			              delegateQueue:moduleQueue
+			           toModulesOfClass:[XMPPvCardAvatarModule class]];
+		}
+		#endif
+		
+		#ifdef _XMPP_MUC_H
+		{
+			// Automatically tie into the MUC system so we can ignore non-roster presence stanzas.
+			
+			[xmppStream enumerateModulesWithBlock:^(XMPPModule *module, NSUInteger idx, BOOL *stop) {
+				
+				if ([module isKindOfClass:[XMPPMUC class]])
+				{
+					[mucModules add:(__bridge void *)module];
+				}
+			}];
+		}
+		#endif
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+		[xmppIDTracker removeAllIDs];
+		xmppIDTracker = nil;
+        
+	}};
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	#ifdef _XMPP_VCARD_AVATAR_MODULE_H
+	{
+		[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPvCardAvatarModule class]];
+	}
+	#endif
+	
+	[super deactivate];
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method may optionally be used by XMPPRosterStorage classes (declared in XMPPRosterPrivate.h).
+**/
+- (GCDMulticastDelegate *)multicastDelegate
+{
+	return multicastDelegate;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id <XMPPRosterStorage>)xmppRosterStorage
+{
+	// Note: The xmppRosterStorage variable is read-only (set in the init method)
+	
+	return xmppRosterStorage;
+}
+
+- (BOOL)autoFetchRoster
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kAutoFetchRoster) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoFetchRoster:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config |= kAutoFetchRoster;
+		else
+			config &= ~kAutoFetchRoster;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoClearAllUsersAndResources
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kAutoClearAllUsersAndResources) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoClearAllUsersAndResources:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config |= kAutoClearAllUsersAndResources;
+		else
+			config &= ~kAutoClearAllUsersAndResources;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoAcceptKnownPresenceSubscriptionRequests
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kAutoAcceptKnownPresenceSubscriptionRequests) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoAcceptKnownPresenceSubscriptionRequests:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config |= kAutoAcceptKnownPresenceSubscriptionRequests;
+		else
+			config &= ~kAutoAcceptKnownPresenceSubscriptionRequests;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)allowRosterlessOperation
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (config & kRosterlessOperation) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAllowRosterlessOperation:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config |= kRosterlessOperation;
+		else
+			config &= ~kRosterlessOperation;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+
+- (BOOL)hasRequestedRoster
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kRequestedRoster) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (BOOL)isPopulating{
+    
+    __block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kPopulatingRoster) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (BOOL)hasRoster
+{
+    __block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kHasRoster) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)_requestedRoster
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	return (flags & kRequestedRoster) ? YES : NO;
+}
+
+- (void)_setRequestedRoster:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (flag)
+		flags |= kRequestedRoster;
+	else
+		flags &= ~kRequestedRoster;
+}
+
+- (void)_setHasRoster:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (flag)
+		flags |= kHasRoster;
+	else
+		flags &= ~kHasRoster;
+}
+
+- (BOOL)_populatingRoster
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	return (flags & kPopulatingRoster) ? YES : NO;
+}
+
+- (void)_setPopulatingRoster:(BOOL)flag
+{
+	NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+	
+	if (flag)
+		flags |= kPopulatingRoster;
+	else
+		flags &= ~kPopulatingRoster;
+}
+
+- (void)_addRosterItems:(NSArray *)rosterItems
+{
+    NSAssert(dispatch_get_specific(moduleQueueTag) , @"Invoked on incorrect queue");
+    
+    BOOL hasRoster = [self hasRoster];
+    
+    for (NSXMLElement *item in rosterItems)
+    {
+        // During roster population, we need to filter out items for users who aren't actually in our roster.
+        // That is, those users who have requested to be our buddy, but we haven't approved yet.
+        // This is described in more detail in the method isRosterItem above.
+        
+        [multicastDelegate xmppRoster:self didReceiveRosterItem:item];
+        
+        if (hasRoster || [self isRosterItem:item])
+        {
+            [xmppRosterStorage handleRosterItem:item xmppStream:xmppStream];
+        }
+    }
+}
+
+/**
+ * Some server's include in our roster the JID's of user's NOT in our roster.
+ * This happens when another user adds us to their roster, and requests permission to receive our presence.
+ * 
+ * As discussed in RFC 3921, the state of the other user is "None + Pending In",
+ * and the server "SHOULD NOT" include these JID's in the roster it sends us.
+ * 
+ * Nonetheless, some servers do anyway.
+ * This method filters out such rogue entries in our roster.
+ * 
+ * Note that the server will automatically send us the proper presence subscription request,
+ * and it will continue to do so everytime we sign in.
+ * From the RFC:
+ *     the user's server MUST keep a record of the subscription request and deliver the request when the
+ *     user next creates an available resource, until the user either approves or denies the request.
+ * 
+ * So there is absolutely NO reason to process these entries, or include them in the roster's storage.
+ * Furthermore, it isn't reliable to depend on these entires being there.
+ * The RFC has clearly defined recommendations on the matter, and servers that currently send these rogue items
+ * may very likely stop doing so in future versions.
+**/
+- (BOOL)isRosterItem:(NSXMLElement *)item
+{
+	NSString *subscription = [item attributeStringValueForName:@"subscription"];
+	if ([subscription isEqualToString:@"none"])
+	{
+		NSString *ask = [item attributeStringValueForName:@"ask"];
+		if ([ask isEqualToString:@"subscribe"])
+		{
+			return YES;
+		}
+		else
+		{
+			return NO;
+		}
+	}
+	
+	return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Roster Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName{
+	[self addUser:jid withNickname:optionalName groups:nil subscribeToPresence:YES];
+}
+
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName groups:(NSArray *)groups{
+	[self addUser:jid withNickname:optionalName groups:groups subscribeToPresence:YES];
+}
+
+- (void)addUser:(XMPPJID *)jid withNickname:(NSString *)optionalName groups:(NSArray *)groups subscribeToPresence:(BOOL)subscribe{
+	
+	if (jid == nil) return;
+
+	XMPPJID *myJID = xmppStream.myJID;
+
+	if ([myJID isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		// You don't need to add yourself to the roster.
+		// XMPP will automatically send you presence from all resources signed in under your username.
+		//
+		// E.g. If you sign in with robbiehanson@deusty.com/home you'll automatically
+		//    receive presence from robbiehanson@deusty.com/work
+		
+		XMPPLogInfo(@"%@: %@ - Ignoring request to add myself to my own roster", [self class], THIS_METHOD);
+		return;
+	}
+
+	// Add the buddy to our roster
+	//
+	// <iq type="set">
+	//   <query xmlns="jabber:iq:roster">
+	//     <item jid="bareJID" name="optionalName">
+	//      <group>family</group>
+	//     </item>
+	//   </query>
+	// </iq>
+
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	[item addAttributeWithName:@"jid" stringValue:[jid bare]];
+
+	if(optionalName)
+	{
+		[item addAttributeWithName:@"name" stringValue:optionalName];
+	}
+
+	for (NSString *group in groups) {
+		NSXMLElement *groupElement = [NSXMLElement elementWithName:@"group"];
+		[groupElement setStringValue:group];
+		[item addChild:groupElement];
+	}
+
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:roster"];
+	[query addChild:item];
+
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"set"];
+	[iq addChild:query];
+
+	[xmppStream sendElement:iq];
+
+	if(subscribe)
+	{
+		[self subscribePresenceToUser:jid];
+	}
+}
+
+- (void)setNickname:(NSString *)nickname forUser:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (jid == nil) return;
+	
+	// <iq type="set">
+	//   <query xmlns="jabber:iq:roster">
+	//     <item jid="bareJID" name="nickname"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	[item addAttributeWithName:@"jid" stringValue:[jid bare]];
+	[item addAttributeWithName:@"name" stringValue:nickname];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:roster"];
+	[query addChild:item];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)subscribePresenceToUser:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (jid == nil) return;
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	if ([myJID isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		XMPPLogInfo(@"%@: %@ - Ignoring request to subscribe presence to myself", [self class], THIS_METHOD);
+		return;
+	}
+	
+	// <presence to='bareJID' type='subscribe'/>
+	
+	XMPPPresence *presence = [XMPPPresence presenceWithType:@"subscribe" to:[jid bareJID]];
+	[xmppStream sendElement:presence];
+}
+
+- (void)unsubscribePresenceFromUser:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (jid == nil) return;
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	if ([myJID isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		XMPPLogInfo(@"%@: %@ - Ignoring request to unsubscribe presence from myself", [self class], THIS_METHOD);
+		return;
+	}
+	
+	// <presence to="bareJID" type="unsubscribe">
+	
+	XMPPPresence *presence = [XMPPPresence presenceWithType:@"unsubscribe" to:[jid bareJID]];
+	[xmppStream sendElement:presence];
+}
+
+- (void)revokePresencePermissionFromUser:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (jid == nil) return;
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	if ([myJID isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		XMPPLogInfo(@"%@: %@ - Ignoring request to revoke presence from myself", [self class], THIS_METHOD);
+		return;
+	}
+	
+	// <presence to="bareJID" type="unsubscribed">
+	
+	XMPPPresence *presence = [XMPPPresence presenceWithType:@"unsubscribed" to:[jid bareJID]];
+	[xmppStream sendElement:presence];
+}
+
+- (void)removeUser:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	if (jid == nil) return;
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	if ([myJID isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		XMPPLogInfo(@"%@: %@ - Ignoring request to remove myself from my own roster", [self class], THIS_METHOD);
+		return;
+	}
+	
+	// Remove the user from our roster.
+	// And unsubscribe from presence.
+	// And revoke contact's subscription to our presence.
+	// ...all in one step
+	
+	// <iq type="set">
+	//   <query xmlns="jabber:iq:roster">
+	//     <item jid="bareJID" subscription="remove"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	[item addAttributeWithName:@"jid" stringValue:[jid bare]];
+	[item addAttributeWithName:@"subscription" stringValue:@"remove"];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:roster"];
+	[query addChild:item];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)acceptPresenceSubscriptionRequestFrom:(XMPPJID *)jid andAddToRoster:(BOOL)flag
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	// Send presence response
+	// 
+	// <presence to="bareJID" type="subscribed"/>
+	
+	XMPPPresence *presence = [XMPPPresence presenceWithType:@"subscribed" to:[jid bareJID]];
+	[xmppStream sendElement:presence];
+	
+	// Add optionally add user to our roster
+	
+	if (flag)
+	{
+		[self addUser:jid withNickname:nil];
+	}
+}
+
+- (void)rejectPresenceSubscriptionRequestFrom:(XMPPJID *)jid
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	// Send presence response
+	// 
+	// <presence to="bareJID" type="unsubscribed"/>
+	
+	XMPPPresence *presence = [XMPPPresence presenceWithType:@"unsubscribed" to:[jid bareJID]];
+	[xmppStream sendElement:presence];
+}
+- (void)fetchRoster
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[self fetchRosterVersion:nil];
+        
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+- (void)fetchRosterVersion:(NSString *)version
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([self _requestedRoster])
+		{
+			// We've already requested the roster from the server.
+			return;
+		}
+		
+		// <iq type="get">
+		//   <query xmlns="jabber:iq:roster" ver="ver14"/>
+		// </iq>
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:roster"];
+        if (version)
+            [query addAttributeWithName:@"ver" stringValue:version];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" elementID:[xmppStream generateUUID]];
+		[iq addChild:query];
+        
+        [xmppIDTracker addElement:iq
+                           target:self
+                         selector:@selector(handleFetchRosterQueryIQ:withInfo:)
+                          timeout:60];
+		
+		[xmppStream sendElement:iq];
+		
+		[self _setRequestedRoster:YES];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPIDTracker
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handleFetchRosterQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)basicTrackingInfo{
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:roster"];
+        NSString * version = [query attributeStringValueForName:@"ver"];
+        
+		BOOL hasRoster = [self hasRoster];
+		
+		if (!hasRoster)
+		{
+            [xmppRosterStorage clearAllUsersAndResourcesForXMPPStream:xmppStream];
+            [self _setPopulatingRoster:YES];
+            [multicastDelegate xmppRosterDidBeginPopulating:self withVersion:version];
+			[xmppRosterStorage beginRosterPopulationForXMPPStream:xmppStream withVersion:version];
+		}
+		
+		NSArray *items = [query elementsForName:@"item"];
+        [self _addRosterItems:items];
+		
+		if (!hasRoster)
+		{
+			// We should have our roster now
+			
+			[self _setHasRoster:YES];
+            [self _setPopulatingRoster:NO];
+            [multicastDelegate xmppRosterDidEndPopulating:self];
+			[xmppRosterStorage endRosterPopulationForXMPPStream:xmppStream];
+			
+			// Process any premature presence elements we received.
+			
+			for (XMPPPresence *presence in earlyPresenceElements)
+			{
+				[self xmppStream:xmppStream didReceivePresence:presence];
+			}
+            
+			[earlyPresenceElements removeAllObjects];
+		}
+        
+    }};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+    
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	if ([self autoFetchRoster])
+	{
+		[self fetchRoster];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	// Note: Some jabber servers send an iq element with an xmlns.
+	// Because of the bug in Apple's NSXML (documented in our elementForName method),
+	// it is important we specify the xmlns for the query.
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:roster"];
+	
+    if (query)
+	{
+        if([iq isSetIQ])
+        {
+            [multicastDelegate xmppRoster:self didReceiveRosterPush:iq];
+            
+            NSArray *items = [query elementsForName:@"item"];
+            [self _addRosterItems:items];
+        }
+        else if([iq isResultIQ])
+        {
+            [xmppIDTracker invokeForElement:iq withObject:iq];
+        }
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	if (![self hasRoster] && ![self allowRosterlessOperation])
+	{
+		// We received a presence notification,
+		// but we don't have a roster to apply it to yet.
+		// 
+		// This is possible if we send our presence before we've received our roster.
+		// It's even possible if we send our presence after we've requested our roster.
+		// There is no guarantee the server will process our requests serially,
+		// and the server may start sending presence elements before it sends our roster.
+		// 
+		// However, if we've requested the roster,
+		// then it shouldn't be too long before we receive it.
+		// So we should be able to simply queue the presence elements for later processing.
+		
+		if ([self _requestedRoster])
+		{
+			// We store the presence element until we get our roster.
+			[earlyPresenceElements addObject:presence];
+		}
+		else
+		{
+			// The user has not requested the roster.
+			// This is a rogue presence element, or the user is simply not using our roster management.
+		}
+		
+		return;
+	}
+	
+	if ([[presence type] isEqualToString:@"subscribe"])
+	{
+		XMPPJID *userJID = [[presence from] bareJID];
+		
+		BOOL knownUser = [xmppRosterStorage userExistsWithJID:userJID xmppStream:xmppStream];
+		
+		if (knownUser && [self autoAcceptKnownPresenceSubscriptionRequests])
+		{
+			// Presence subscription request from someone who's already in our roster.
+			// Automatically approve.
+			// 
+			// <presence to="bareJID" type="subscribed"/>
+			
+			XMPPPresence *response = [XMPPPresence presenceWithType:@"subscribed" to:userJID];
+			[xmppStream sendElement:response];
+		}
+		else
+		{
+			// Presence subscription request from someone who's NOT in our roster
+			
+			[multicastDelegate xmppRoster:self didReceivePresenceSubscriptionRequest:presence];
+		}
+	}
+	else
+	{
+		#ifdef _XMPP_MUC_H
+		
+		// Ignore MUC related presence items
+		
+		for (XMPPMUC *muc in mucModules)
+		{
+			if ([muc isMUCRoomPresence:presence])
+			{
+				return;
+			}
+		}
+		
+		#endif
+		
+		[xmppRosterStorage handlePresence:presence xmppStream:xmppStream];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendPresence:(XMPPPresence *)presence
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	// We check the toStr, so we don't dump the resources when a user leaves a MUC room.
+	
+	if ([[presence type] isEqualToString:@"unavailable"] && [presence toStr] == nil)
+	{
+		// We don't receive presence notifications when we're offline.
+		// So we need to remove all resources from our roster when we're offline.
+		// When we become available again, we'll automatically receive the
+		// presence from every available user in our roster.
+		// 
+		// We will receive general roster updates as long as we're still connected though.
+		// So there's no need to refetch the roster.
+		
+		[xmppRosterStorage clearAllResourcesForXMPPStream:xmppStream];
+		
+		[earlyPresenceElements removeAllObjects];
+	}
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+    if([self autoClearAllUsersAndResources])
+    {
+        [xmppRosterStorage clearAllUsersAndResourcesForXMPPStream:xmppStream];
+    }
+    else
+    {
+        [xmppRosterStorage clearAllResourcesForXMPPStream:xmppStream];
+    }
+	
+	[self _setRequestedRoster:NO];
+	[self _setHasRoster:NO];
+	
+	[earlyPresenceElements removeAllObjects];
+}
+
+#ifdef _XMPP_MUC_H
+
+- (void)xmppStream:(XMPPStream *)sender didRegisterModule:(id)module
+{
+	if ([module isKindOfClass:[XMPPMUC class]])
+	{
+		if (![mucModules contains:(__bridge void *)module])
+		{
+			[mucModules add:(__bridge void *)module];
+		}
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender willUnregisterModule:(id)module
+{
+	if ([module isKindOfClass:[XMPPMUC class]])
+	{
+		[mucModules remove:(__bridge void *)module];
+	}
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPvCardAvatarDelegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef _XMPP_VCARD_AVATAR_MODULE_H
+
+#if TARGET_OS_IPHONE
+- (void)xmppvCardAvatarModule:(XMPPvCardAvatarModule *)vCardTempModule 
+              didReceivePhoto:(UIImage *)photo 
+                       forJID:(XMPPJID *)jid
+#else
+- (void)xmppvCardAvatarModule:(XMPPvCardAvatarModule *)vCardTempModule 
+              didReceivePhoto:(NSImage *)photo 
+                       forJID:(XMPPJID *)jid
+#endif
+{
+	if ([xmppRosterStorage respondsToSelector:@selector(setPhoto:forUserWithJID:xmppStream:)])
+	{
+		[xmppRosterStorage setPhoto:photo forUserWithJID:[jid bareJID] xmppStream:xmppStream];
+	}
+}
+
+#endif
+
+@end
diff --git a/Extensions/Roster/XMPPRosterPrivate.h b/Extensions/Roster/XMPPRosterPrivate.h
new file mode 100644
index 0000000..88111df
--- /dev/null
+++ b/Extensions/Roster/XMPPRosterPrivate.h
@@ -0,0 +1,16 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoster.h"
+
+@interface XMPPRoster (PrivateInternalAPI)
+
+/**
+ * XMPPRosterStorage classes may optionally use the same delegate(s) as their parent XMPPRoster.
+ * This method allows such storage classes to access the delegate(s).
+ * 
+ * Note: If the storage class operates on a different queue than its parent,
+ *       it MUST dispatch all calls to the multicastDelegate onto its parent's queue.
+ *       The parent's dispatch queue is passed in the configureWithParent:queue: method.
+**/
+- (GCDMulticastDelegate *)multicastDelegate;
+
+@end
diff --git a/Extensions/Roster/XMPPUser.h b/Extensions/Roster/XMPPUser.h
new file mode 100644
index 0000000..1a2d692
--- /dev/null
+++ b/Extensions/Roster/XMPPUser.h
@@ -0,0 +1,21 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+@protocol XMPPResource;
+
+
+@protocol XMPPUser <NSObject>
+@required
+
+- (XMPPJID *)jid;
+- (NSString *)nickname;
+
+- (BOOL)isOnline;
+- (BOOL)isPendingApproval;
+
+- (id <XMPPResource>)primaryResource;
+- (id <XMPPResource>)resourceForJID:(XMPPJID *)jid;
+
+- (NSArray *)allResources;
+
+@end
diff --git a/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.h b/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.h
new file mode 100644
index 0000000..6b1213c
--- /dev/null
+++ b/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.h
@@ -0,0 +1,56 @@
+#import "XMPPModule.h"
+
+extern const NSTimeInterval XMPPSystemInputActivityMonitorInactivityTimeIntervalNone;
+
+#define _XMPP_SYSTEM_INPUT_ACTIVITY_MONITOR_H
+
+/**
+ * XMPPSystemInputActivityMonitor is used to keep track of system input activity.
+ * This module could be used to add features such as "auto away" when the user is inactive for 5 mins.
+**/
+
+@interface XMPPSystemInputActivityMonitor : XMPPModule
+{    
+    dispatch_source_t timer;
+	
+	BOOL active;
+	NSDate *lastActivityDate;
+	NSTimeInterval inactivityTimeInterval;
+}
+
+/**
+ * Returns wether the system is active based on the lastActivityDate and inactivityTimeInterval.
+**/
+@property (assign, getter = isActive, readonly) BOOL active;
+
+/**
+ * The last time any input activity was detected. 
+**/
+@property (assign, readonly) NSDate *lastActivityDate;
+
+/**
+ * The minimum time interval after the last input activity, that assumes the system is idle.
+ *
+ * To disable activity checking set this value to XMPPSystemInputActivityMonitorInactivityTimeIntervalNone
+ * If set to XMPPSystemInputActivityMonitorInactivityTimeIntervalNone none of delegate methods will be called.
+ * Setting this value doesn't cause the delegate methods to be called immediately.
+ *
+ * Default 300 Seconds
+**/
+@property (assign) NSTimeInterval inactivityTimeInterval;
+
+@end
+
+@protocol XMPPSystemInputActivityMonitorDelegate <NSObject>
+
+/**
+ * The system did become active after being inactive.
+**/
+- (void)xmppSystemInputActivityMonitorDidBecomeActive:(XMPPSystemInputActivityMonitor *)xmppSystemInputActivityMonitor;
+
+/**
+ * The system did become inactive after being active.
+**/
+- (void)xmppSystemInputActivityMonitorDidBecomeInactive:(XMPPSystemInputActivityMonitor *)xmppSystemInputActivityMonitor;
+
+@end
\ No newline at end of file
diff --git a/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.m b/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.m
new file mode 100644
index 0000000..d32a54b
--- /dev/null
+++ b/Extensions/SystemInputActivityMonitor/XMPPSystemInputActivityMonitor.m
@@ -0,0 +1,202 @@
+#import "XMPPSystemInputActivityMonitor.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPFramework.h"
+
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if TARGET_OS_IPHONE
+#warning This file does not work on TARGET_OS_IPHONE.
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+const NSTimeInterval XMPPSystemInputActivityMonitorInactivityTimeIntervalNone = -1;
+
+#define INACTIVITY_TIME_INTERVAL 300.0
+#define TIMER_TIME_INTERVAL 1.0
+
+@implementation XMPPSystemInputActivityMonitor
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		inactivityTimeInterval = INACTIVITY_TIME_INTERVAL;
+		active = YES;
+	}
+	return self;
+}
+
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	XMPPLogTrace();
+	
+	if ([super activate:aXmppStream])
+	{
+		XMPPLogVerbose(@"%@: Activated", THIS_FILE);
+
+#if !TARGET_OS_IPHONE
+
+		CFTimeInterval secondsSinceLastUserInteraction = CGEventSourceSecondsSinceLastEventType(kCGEventSourceStateHIDSystemState, kCGAnyInputEventType);
+		
+		NSDate *date = [NSDate dateWithTimeIntervalSinceNow:(secondsSinceLastUserInteraction * -1)];
+		[self _setLastActivityDate:date];
+
+        timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+        
+        if (timer)
+        {
+    		dispatch_source_set_timer(timer, dispatch_walltime(NULL, 0), (TIMER_TIME_INTERVAL * NSEC_PER_SEC), 0);
+    		dispatch_source_set_event_handler(timer, ^{                
+                CFTimeInterval secondsSinceLastUserInteraction = CGEventSourceSecondsSinceLastEventType(kCGEventSourceStateHIDSystemState, kCGAnyInputEventType);
+
+				NSDate *date = [NSDate dateWithTimeIntervalSinceNow:(secondsSinceLastUserInteraction * -1)];
+				[self _setLastActivityDate:date];
+            });
+    		dispatch_resume(timer);
+        }
+#endif
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+    
+	if(timer)
+	{
+	    dispatch_source_cancel(timer);
+	    timer = NULL;
+	}
+
+	[super deactivate];
+}
+
+- (void)dealloc{
+	
+	if(timer)
+	{
+	    dispatch_source_cancel(timer);
+	    timer = NULL;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma Internal
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)_setLastActivityDate:(NSDate *)flag{
+
+	dispatch_block_t block = ^{
+		lastActivityDate = flag;
+				
+		if(inactivityTimeInterval > XMPPSystemInputActivityMonitorInactivityTimeIntervalNone)
+		{
+			if(active && -[lastActivityDate timeIntervalSinceNow] > inactivityTimeInterval)
+			{
+				active = NO;
+				[multicastDelegate xmppSystemInputActivityMonitorDidBecomeInactive:self];				
+			}
+			else if(!active && -[lastActivityDate timeIntervalSinceNow] < inactivityTimeInterval)
+			{
+				active = YES;
+				[multicastDelegate xmppSystemInputActivityMonitorDidBecomeActive:self];
+			}
+			
+		}else{
+			active = YES;
+		}
+
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isActive
+{
+	__block BOOL result = YES;;
+	
+	dispatch_block_t block = ^{
+		result = active;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (NSDate *)lastActivityDate
+{
+	__block NSDate *result = nil;;
+
+	dispatch_block_t block = ^{
+		result = lastActivityDate;
+	};
+
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+
+	return result;
+}
+
+- (NSTimeInterval)inactivityTimeInterval
+{
+	__block NSTimeInterval result = XMPPSystemInputActivityMonitorInactivityTimeIntervalNone;
+
+	dispatch_block_t block = ^{
+		result = inactivityTimeInterval;
+	};
+
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+
+	return result;
+}
+
+- (void)setInactivityTimeInterval:(NSTimeInterval)flag
+{
+	dispatch_block_t block = ^{
+	       inactivityTimeInterval = flag;
+	};
+
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+@end
diff --git a/Extensions/XEP-0009/XMPPIQ+JabberRPC.h b/Extensions/XEP-0009/XMPPIQ+JabberRPC.h
new file mode 100644
index 0000000..21b6c89
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPIQ+JabberRPC.h
@@ -0,0 +1,77 @@
+//
+//  XMPPIQ+JabberRPC.h
+//  XEP-0009
+//
+//  Created by Eric Chamberlain on 5/16/10.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPIQ.h"
+
+
+@interface XMPPIQ(JabberRPC)
+
+/**
+ * Creates and returns a new autoreleased XMPPIQ.
+ * This is the only method you normally need to call.
+ **/
++ (XMPPIQ *)rpcTo:(XMPPJID *)jid methodName:(NSString *)method parameters:(NSArray *)parameters;
+
+#pragma mark -
+#pragma mark Element helper methods
+
+// returns a Jabber-RPC query elelement
+//		<query xmlns='jabber:iq:rpc'>
++(NSXMLElement *)elementRpcQuery;
+
+// returns a Jabber-RPC methodCall element
+//			<methodCall>
++(NSXMLElement *)elementMethodCall;
+
+// returns a Jabber-RPC methodName element
+//				<methodName>method</methodName>
++(NSXMLElement *)elementMethodName:(NSString *)method;
+
+// returns a Jabber-RPC params element
+//				<params>
++(NSXMLElement *)elementParams;
+
+#pragma mark -
+#pragma mark Disco elements
+
+// returns the Disco query identity element
+//   <identity category='automation' type='rpc'/>
++(NSXMLElement *)elementRpcIdentity;
+
+// returns the Disco query feature element
+//	 <feature var='jabber:iq:rpc'/>
++(NSXMLElement *)elementRpcFeature;
+
+#pragma mark -
+#pragma mark Conversion methods
+
+// encode any object into JabberRPC formatted element
+// this method calls the others
++(NSXMLElement *)paramElementFromObject:(id)object;
+
++(NSXMLElement *)valueElementFromObject:(id)object;
+
++(NSXMLElement *)valueElementFromArray:(NSArray *)array;
++(NSXMLElement *)valueElementFromDictionary:(NSDictionary *)dictionary;
+
++(NSXMLElement *)valueElementFromBoolean:(CFBooleanRef)boolean;
++(NSXMLElement *)valueElementFromNumber:(NSNumber *)number;
++(NSXMLElement *)valueElementFromString:(NSString *)string;
++(NSXMLElement *)valueElementFromDate:(NSDate *)date;
++(NSXMLElement *)valueElementFromData:(NSData *)data;
+
++(NSXMLElement *)valueElementFromElementWithName:(NSString *)elementName value:(NSString *)value;
+
+
+#pragma mark Wrapper methods
+
++(NSXMLElement *)wrapElement:(NSString *)elementName aroundElement:(NSXMLElement *)element;
++(NSXMLElement *)wrapValueElementAroundElement:(NSXMLElement *)element;
+
+@end
diff --git a/Extensions/XEP-0009/XMPPIQ+JabberRPC.m b/Extensions/XEP-0009/XMPPIQ+JabberRPC.m
new file mode 100644
index 0000000..c170d7e
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPIQ+JabberRPC.m
@@ -0,0 +1,219 @@
+//
+//  XMPPIQ+JabberRPC.m
+//  XEP-0009
+//
+//  Created by Eric Chamberlain on 5/16/10.
+//
+
+
+#import "XMPPIQ+JabberRPC.h"
+#import "XMPP.h"
+#import "NSData+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPIQ(JabberRPC)
+
++(XMPPIQ *)rpcTo:(XMPPJID *)jid methodName:(NSString *)method parameters:(NSArray *)parameters {
+	// Send JabberRPC element
+	// 
+	//	<iq to="fullJID" type="set" id="elementID">
+	//		<query xmlns='jabber:iq:rpc'>
+	//			<methodCall>
+	//				<methodName>method</methodName>
+	//				<params>
+	//					<param>
+	//						<value><string>example</string></value>
+	//					</param>
+	//					...
+	//				</params>
+	//			</methodCall>
+	//		</query>
+	//	</iq>
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:jid elementID:[XMPPStream generateUUID]];
+	
+	NSXMLElement *jabberRPC = [self elementRpcQuery];
+	NSXMLElement *methodCall = [self elementMethodCall];
+	NSXMLElement *methodName = [self elementMethodName:method];
+	NSXMLElement *params = [self elementParams];
+	
+	for (id parameter in parameters) {
+		[params addChild:[self paramElementFromObject:parameter]];
+	}
+	
+	[methodCall addChild:methodName];
+	[methodCall addChild:params];
+	[jabberRPC addChild:methodCall];
+	[iq addChild:jabberRPC];
+	return iq;
+}
+
+#pragma mark Element helper methods
+
++(NSXMLElement *)elementRpcQuery {
+	return [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:rpc"];
+}
+
++(NSXMLElement *)elementMethodCall {
+	return [NSXMLElement elementWithName:@"methodCall"];
+}
+
++(NSXMLElement *)elementMethodName:(NSString *)method {
+	return [NSXMLElement elementWithName:@"methodName" stringValue:method];
+}
+
++(NSXMLElement *)elementParams {
+	return [NSXMLElement elementWithName:@"params"];
+}
+
+
+#pragma mark -
+#pragma mark Disco elements
+
++(NSXMLElement *)elementRpcIdentity {
+	NSXMLElement *identity = [NSXMLElement elementWithName:@"identity"];
+	[identity addAttributeWithName:@"category" stringValue:@"automation"];
+	[identity addAttributeWithName:@"type" stringValue:@"rpc"];
+	return identity;
+}
+
+// returns the Disco query feature element
+//	 <feature var='jabber:iq:rpc'/>
++(NSXMLElement *)elementRpcFeature {
+	NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+	[feature addAttributeWithName:@"var" stringValue:@"jabber:iq:rpc"];
+	return feature;
+}
+#pragma mark Conversion methods
+
++(NSXMLElement *)paramElementFromObject:(id)object {
+	if (!object) {
+		return nil;
+	}
+	return [self wrapElement:@"param" aroundElement:[self valueElementFromObject:object]];
+}
+
++(NSXMLElement *)valueElementFromObject:(id)object {
+	if (!object) {
+		return nil;
+	}
+	
+	if ([object isKindOfClass: [NSArray class]]) {
+        return [self valueElementFromArray: object];
+    } else if ([object isKindOfClass: [NSDictionary class]]) {
+        return [self valueElementFromDictionary: object];
+    } else if (((__bridge CFBooleanRef)object == kCFBooleanTrue) || ((__bridge CFBooleanRef)object == kCFBooleanFalse)) {
+        return [self valueElementFromBoolean: (__bridge CFBooleanRef)object];
+    } else if ([object isKindOfClass: [NSNumber class]]) {
+        return [self valueElementFromNumber: object];
+    } else if ([object isKindOfClass: [NSString class]]) {
+        return [self valueElementFromString: object];
+    } else if ([object isKindOfClass: [NSDate class]]) {
+        return [self valueElementFromDate: object];
+    } else if ([object isKindOfClass: [NSData class]]) {
+        return [self valueElementFromData: object];
+    } else {
+        return [self valueElementFromString: object];
+    }
+	
+}
+
+
++(NSXMLElement *)valueElementFromArray:(NSArray *)array {
+	NSXMLElement *data = [NSXMLElement elementWithName:@"data"];
+	
+	for (id object in array) {
+		[data addChild:[self valueElementFromObject:object]];
+	}
+	return [self wrapValueElementAroundElement:data];
+}
+
+
++(NSXMLElement *)valueElementFromDictionary:(NSDictionary *)dictionary {
+	NSXMLElement *structElement = [NSXMLElement elementWithName:@"struct"];
+	
+	NSXMLElement *member;
+	NSXMLElement *name;
+	
+	for (NSString *key in dictionary) {
+		member = [NSXMLElement elementWithName:@"member"];
+		name = [NSXMLElement elementWithName:@"name" stringValue:key];
+		[member addChild:name];
+		[member addChild:[self valueElementFromObject:dictionary[key]]];
+	}
+	
+	return [self wrapValueElementAroundElement:structElement];
+}
+
+
++(NSXMLElement *)valueElementFromBoolean:(CFBooleanRef)boolean {
+	if (boolean == kCFBooleanTrue) {
+		return [self valueElementFromElementWithName:@"boolean" value:@"1"];
+	} else {
+		return [self valueElementFromElementWithName:@"boolean" value:@"0"];
+	}
+}
+
+
++(NSXMLElement *)valueElementFromNumber:(NSNumber *)number {
+	// what type of NSNumber is this?
+    if ([[NSString stringWithCString: [number objCType] 
+							encoding: NSUTF8StringEncoding] isEqualToString: @"d"]) {
+        return [self valueElementFromElementWithName:@"double" value:[number stringValue]];
+    } else {
+        return [self valueElementFromElementWithName:@"i4" value:[number stringValue]];
+    }
+}
+
+
++(NSXMLElement *)valueElementFromString:(NSString *)string {
+	return [self valueElementFromElementWithName:@"string" value:string];
+}
+
+
++(NSXMLElement *)valueElementFromDate:(NSDate *)date {
+	unsigned calendarComponents =	kCFCalendarUnitYear | 
+	kCFCalendarUnitMonth | 
+	kCFCalendarUnitDay | 
+	kCFCalendarUnitHour | 
+	kCFCalendarUnitMinute | 
+	kCFCalendarUnitSecond;
+    NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:calendarComponents fromDate:date];
+    NSString *dateString = [NSString stringWithFormat: @"%.4ld%.2ld%.2ldT%.2ld:%.2ld:%.2ld", 
+							(long)[dateComponents year],
+							(long)[dateComponents month],
+							(long)[dateComponents day],
+							(long)[dateComponents hour],
+							(long)[dateComponents minute],
+							(long)[dateComponents second], nil];
+    
+    return [self valueElementFromElementWithName:@"dateTime.iso8601" value: dateString];
+}
+
+
++(NSXMLElement *)valueElementFromData:(NSData *)data {	
+    return [self valueElementFromElementWithName:@"base64" value:[data xmpp_base64Encoded]];
+}
+
++(NSXMLElement *)valueElementFromElementWithName:(NSString *)elementName value:(NSString *)value {
+	return [self wrapValueElementAroundElement:[NSXMLElement elementWithName:elementName stringValue:value]];
+}
+
+
+#pragma mark Wrapper methods
+
++(NSXMLElement *)wrapElement:(NSString *)elementName aroundElement:(NSXMLElement *)element {
+	NSXMLElement *wrapper = [NSXMLElement elementWithName:elementName];
+	[wrapper addChild:element];
+	return wrapper;
+}
+
++(NSXMLElement *)wrapValueElementAroundElement:(NSXMLElement *)element {
+	return [self wrapElement:@"value" aroundElement:element];
+}
+
+@end
diff --git a/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.h b/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.h
new file mode 100644
index 0000000..6347d38
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.h
@@ -0,0 +1,66 @@
+//
+//  XMPPIQ+JabberRPCResonse.h
+//  XEP-0009
+//
+//  Created by Eric Chamberlain on 5/25/10.
+//
+
+#import "XMPPIQ.h"
+
+typedef enum {
+    JabberRPCElementTypeArray,
+    JabberRPCElementTypeDictionary,
+    JabberRPCElementTypeMember,
+    JabberRPCElementTypeName,
+    JabberRPCElementTypeInteger,
+    JabberRPCElementTypeDouble,
+    JabberRPCElementTypeBoolean,
+    JabberRPCElementTypeString,
+    JabberRPCElementTypeDate,
+    JabberRPCElementTypeData
+} JabberRPCElementType;
+
+
+@interface XMPPIQ(JabberRPCResonse)
+
+-(NSXMLElement *)methodResponseElement;
+
+// is this a Jabber RPC method response
+-(BOOL)isMethodResponse;
+
+-(BOOL)isFault;
+
+-(BOOL)isJabberRPC;
+
+-(id)methodResponse:(NSError **)error;
+
+-(id)objectFromElement:(NSXMLElement *)param;
+
+
+#pragma mark -
+
+-(NSArray *)parseArray:(NSXMLElement *)arrayElement;
+
+-(NSDictionary *)parseStruct:(NSXMLElement *)structElement;
+
+-(NSDictionary *)parseMember:(NSXMLElement *)memberElement;
+
+#pragma mark -
+
+- (NSDate *)parseDateString: (NSString *)dateString withFormat: (NSString *)format;
+
+#pragma mark -
+
+- (NSNumber *)parseInteger: (NSString *)value;
+
+- (NSNumber *)parseDouble: (NSString *)value;
+
+- (NSNumber *)parseBoolean: (NSString *)value;
+
+- (NSString *)parseString: (NSString *)value;
+
+- (NSDate *)parseDate: (NSString *)value;
+
+- (NSData *)parseData: (NSString *)value;
+
+@end
diff --git a/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.m b/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.m
new file mode 100644
index 0000000..3048170
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPIQ+JabberRPCResonse.m
@@ -0,0 +1,290 @@
+//
+//  XMPPIQ+JabberRPCResonse.m
+//  XEP-0009
+//
+//  Created by Eric Chamberlain on 5/25/10.
+//
+
+#import "XMPPIQ+JabberRPCResonse.h"
+#import "XMPPJabberRPCModule.h"
+#import "XMPPLogging.h"
+#import "NSData+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@implementation XMPPIQ(JabberRPCResonse)
+
+-(NSXMLElement *)methodResponseElement {
+	NSXMLElement *query = [self elementForName:@"query"];
+	return [query elementForName:@"methodResponse"];
+}
+
+// is this a Jabber RPC method response
+-(BOOL)isMethodResponse {
+	/*
+	<methodResponse>
+	 <params>
+		<param>
+			<value><string>South Dakota</string></value>
+		</param>
+	 </params>
+	</methodResponse>
+	*/
+	NSXMLElement *methodResponse = [self methodResponseElement];
+	return methodResponse != nil;
+}
+
+-(BOOL)isFault {
+	/*
+	<methodResponse>
+	 <fault>
+		<value>
+			<struct>
+				<member>
+					<name>faultCode</name>
+					<value><int>4</int></value>
+				</member>
+				<member>
+					<name>faultString</name>
+					<value><string>Too many parameters.</string></value>
+				</member>
+			</struct>
+		</value>
+	 </fault>
+	</methodResponse>
+	*/
+	NSXMLElement *methodResponse = [self methodResponseElement];
+	
+	return [methodResponse elementForName:@"fault"] != nil;
+}
+
+-(BOOL)isJabberRPC {
+	/*
+	 <query xmlns="jabber:iq:rpc">
+		...
+	 </query>
+	*/
+	NSXMLElement *rpcQuery = [self elementForName:@"query" xmlns:@"jabber:iq:rpc"];
+	return rpcQuery != nil;
+}
+
+-(id)methodResponse:(NSError **)error {
+	id response = nil;
+	
+	/*
+	<methodResponse>
+		<params>
+			<param>
+				<value><string>South Dakota</string></value>
+			</param>
+		</params>
+	</methodResponse>
+	*/
+	
+	// or
+	
+	/*
+	<methodResponse>
+		<fault>
+			<value>
+				<struct>
+					<member>
+						<name>faultCode</name>
+						<value><int>4</int></value>
+					</member>
+					<member>
+						<name>faultString</name>
+						<value><string>Too many parameters.</string></value>
+					</member>
+				</struct>
+			</value>
+		</fault>
+	</methodResponse>
+	*/
+	NSXMLElement *methodResponse = [self methodResponseElement];
+	
+	// parse the methodResponse
+	
+	response = [self objectFromElement:(NSXMLElement *)[methodResponse childAtIndex:0]];
+	
+	if ([self isFault]) {
+		// we should produce an error
+		// response should be a dict
+		if (error) {
+			*error = [NSError errorWithDomain:XMPPJabberRPCErrorDomain 
+										 code:[[response objectForKey:@"faultCode"] intValue] 
+									 userInfo:(NSDictionary *)response];
+		}
+		response = nil;
+	} else {
+		if (error) {
+			*error = nil;
+		}
+	}
+
+	return response;
+}
+
+-(id)objectFromElement:(NSXMLElement *)param {
+	NSString *element = [param name];
+	
+	if ([element isEqualToString:@"params"] ||
+		[element isEqualToString:@"param"] ||
+		[element isEqualToString:@"fault"] ||
+		[element isEqualToString:@"value"]) {
+		
+		NSXMLElement *firstChild = (NSXMLElement *)[param childAtIndex:0];
+		if (firstChild) {
+			return [self objectFromElement:firstChild];
+		} else {
+			// no child element, treat it like a string
+			return [self parseString:[param stringValue]];
+		}
+	} else if ([element isEqualToString:@"string"] ||
+			   [element isEqualToString:@"name"]) {
+		return [self parseString:[param stringValue]];
+	} else if ([element isEqualToString:@"member"]) {
+		return [self parseMember:param];
+	} else if ([element isEqualToString:@"array"]) {
+		return [self parseArray:param];
+	} else if ([element isEqualToString:@"struct"]) {
+		return [self parseStruct:param];
+	} else if ([element isEqualToString:@"int"]) {
+		return [self parseInteger:[param stringValue]];
+	} else if ([element isEqualToString:@"double"]) {
+		return [self parseDouble:[param stringValue]];
+	} else if ([element isEqualToString:@"boolean"]) {
+		return [self parseBoolean:[param stringValue]];
+	} else if ([element isEqualToString:@"dateTime.iso8601"]) {
+		return [self parseDate:[param stringValue]];
+	} else if ([element isEqualToString:@"base64"]) {
+		return [self parseData:[param stringValue]];
+	} else {
+		// bad element
+		XMPPLogWarn(@"%@: %@ - bad element: %@", THIS_FILE, THIS_METHOD, [param stringValue]);
+	}
+	return nil;
+}				
+	
+				
+#pragma mark -
+				
+-(NSArray *)parseArray:(NSXMLElement *)arrayElement {
+	/*
+	 <array>
+		<data>
+			<value><i4>12</i4></value>
+			<value><string>Egypt</string></value>
+			<value><boolean>0</boolean></value>
+			<value><i4>-31</i4></value>
+		</data>
+	 </array>
+	 */
+	NSXMLElement *data = (NSXMLElement *)[arrayElement childAtIndex:0];
+	NSArray *children = [data children];
+	
+	NSMutableArray *array = [NSMutableArray arrayWithCapacity:[children count]];
+	
+	for (NSXMLElement *child in children) {
+		[array addObject:[self objectFromElement:child]];
+	}
+	
+	return array;
+}
+
+-(NSDictionary *)parseStruct:(NSXMLElement *)structElement {
+	/*
+	<struct>
+	 <member>
+		<name>lowerBound</name>
+		<value><i4>18</i4></value>
+	 </member>
+	 <member>
+		<name>upperBound</name>
+		<value><i4>139</i4></value>
+	 </member>
+	</struct>
+	*/
+	NSArray *children = [structElement children];
+	NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithCapacity:[children count]];
+	
+	for (NSXMLElement *child in children) {
+		[dict addEntriesFromDictionary:[self parseMember:child]];
+	}
+	
+	return dict;
+}
+
+-(NSDictionary *)parseMember:(NSXMLElement *)memberElement {
+	NSString *key = [self objectFromElement:[memberElement elementForName:@"name"]];
+	id value = [self objectFromElement:[memberElement elementForName:@"value"]];
+	
+	return @{key : value};
+}
+	
+#pragma mark -
+
+- (NSDate *)parseDateString: (NSString *)dateString withFormat: (NSString *)format {
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+    [dateFormatter setDateFormat: format];
+    
+    NSDate *result = [dateFormatter dateFromString: dateString];
+    
+    return result;
+}
+
+#pragma mark -
+
+- (NSNumber *)parseInteger: (NSString *)value {
+    return @([value integerValue]);
+}
+
+- (NSNumber *)parseDouble: (NSString *)value {
+    return @([value doubleValue]);
+}
+
+- (NSNumber *)parseBoolean: (NSString *)value {
+    if ([value isEqualToString: @"1"]) {
+        return @YES;
+    }
+    
+    return @NO;
+}
+
+- (NSString *)parseString: (NSString *)value {
+    return [value stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]];
+}
+
+- (NSDate *)parseDate: (NSString *)value {
+    NSDate *result = nil;
+    
+    result = [self parseDateString: value withFormat: @"yyyyMMdd'T'HH:mm:ss"];
+    
+    if (!result) {
+        result = [self parseDateString: value withFormat: @"yyyy'-'MM'-'dd'T'HH:mm:ss"];
+    }
+    
+    return result;
+}
+
+- (NSData *)parseData: (NSString *)value {
+	// Convert the base 64 encoded data into a string
+	NSData *base64Data = [value dataUsingEncoding:NSASCIIStringEncoding];
+	NSData *decodedData = [base64Data xmpp_base64Decoded];
+	
+    return decodedData;
+}
+
+	
+@end
diff --git a/Extensions/XEP-0009/XMPPJabberRPCModule.h b/Extensions/XEP-0009/XMPPJabberRPCModule.h
new file mode 100644
index 0000000..8c3274f
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPJabberRPCModule.h
@@ -0,0 +1,50 @@
+//
+//  XMPPJabberRPCModule.h
+//  XEP-0009
+//
+//  Originally created by Eric Chamberlain on 5/16/10.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+
+#define _XMPP_JABBER_RPC_MODULE_H
+
+extern NSString *const XMPPJabberRPCErrorDomain;
+
+@class XMPPJID;
+@class XMPPStream;
+@class XMPPIQ;
+@protocol XMPPJabberRPCModuleDelegate;
+
+
+@interface XMPPJabberRPCModule : XMPPModule
+{
+	NSMutableDictionary *rpcIDs;
+	NSTimeInterval defaultTimeout;
+}
+
+@property (nonatomic, assign) NSTimeInterval defaultTimeout;
+
+- (NSString *)sendRpcIQ:(XMPPIQ *)iq;
+- (NSString *)sendRpcIQ:(XMPPIQ *)iq withTimeout:(NSTimeInterval)timeout;
+
+// caller knows best when a request has timed out
+// it should remove the rpcID, on timeout.
+- (void)timeoutRemoveRpcID:(NSString *)rpcID;
+
+@end
+
+
+@protocol XMPPJabberRPCModuleDelegate
+@optional
+
+// sent when transport error is received
+-(void)jabberRPC:(XMPPJabberRPCModule *)sender elementID:(NSString *)elementID didReceiveError:(NSError *)error;
+
+// sent when a methodResponse comes back
+-(void)jabberRPC:(XMPPJabberRPCModule *)sender elementID:(NSString *)elementID didReceiveMethodResponse:(id)response;
+
+// sent when a Jabber-RPC server request is received
+-(void)jabberRPC:(XMPPJabberRPCModule *)sender didReceiveSetIQ:(XMPPIQ *)iq;
+@end
diff --git a/Extensions/XEP-0009/XMPPJabberRPCModule.m b/Extensions/XEP-0009/XMPPJabberRPCModule.m
new file mode 100644
index 0000000..1177ebc
--- /dev/null
+++ b/Extensions/XEP-0009/XMPPJabberRPCModule.m
@@ -0,0 +1,341 @@
+//
+//  XMPPJabberRPCModule.m
+//  XEP-0009
+//
+//  Originally created by Eric Chamberlain on 5/16/10.
+//
+
+#import "XMPPJabberRPCModule.h"
+#import "XMPP.h"
+#import "XMPPIQ+JabberRPC.h"
+#import "XMPPIQ+JabberRPCResonse.h"
+#import "XMPPLogging.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+NSString *const XMPPJabberRPCErrorDomain = @"XMPPJabberRPCErrorDomain";
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface RPCID : NSObject
+{
+	NSString *rpcID;
+	dispatch_source_t timer;
+}
+
+@property (nonatomic, readonly) NSString *rpcID;
+@property (nonatomic, readonly) dispatch_source_t timer;
+
+- (id)initWithRpcID:(NSString *)rpcID timer:(dispatch_source_t)timer;
+
+- (void)cancelTimer;
+
+@end
+
+@implementation RPCID
+
+@synthesize rpcID;
+@synthesize timer;
+
+- (id)initWithRpcID:(NSString *)aRpcID timer:(dispatch_source_t)aTimer
+{
+	if ((self = [super init]))
+	{
+		rpcID = [aRpcID copy];
+		
+		timer = aTimer;
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_retain(timer);
+		#endif
+	}
+	return self;
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	return [rpcID isEqual:anObject];
+}
+
+- (NSUInteger)hash
+{
+	return [rpcID hash];
+}
+
+- (void)cancelTimer
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+- (void)dealloc
+{
+	[self cancelTimer];
+	
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPJabberRPCModule
+
+@dynamic defaultTimeout;
+
+- (NSTimeInterval)defaultTimeout
+{
+	__block NSTimeInterval result;
+	
+	dispatch_block_t block = ^{
+		result = defaultTimeout;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setDefaultTimeout:(NSTimeInterval)newDefaultTimeout
+{
+	dispatch_block_t block = ^{
+		XMPPLogTrace();
+		defaultTimeout = newDefaultTimeout;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Module Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		XMPPLogTrace();
+		
+		rpcIDs = [[NSMutableDictionary alloc] initWithCapacity:5];
+		defaultTimeout = 5.0;
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	XMPPLogTrace();
+	
+	if ([super activate:aXmppStream])
+	{
+	#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+	#endif
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+	
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	[super deactivate];
+}
+
+- (void)dealloc
+{
+	XMPPLogTrace();
+	
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Send RPC
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)sendRpcIQ:(XMPPIQ *)iq
+{
+	return [self sendRpcIQ:iq withTimeout:[self defaultTimeout]];
+}
+
+- (NSString *)sendRpcIQ:(XMPPIQ *)iq withTimeout:(NSTimeInterval)timeout
+{
+	XMPPLogTrace();
+	
+	NSString *elementID = [iq elementID];
+	
+	dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+	
+	dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+		
+			[self timeoutRemoveRpcID:elementID];
+	}});
+	
+	dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+	
+	dispatch_source_set_timer(timer, tt, DISPATCH_TIME_FOREVER, 0);
+	dispatch_resume(timer);
+	
+	RPCID *rpcID = [[RPCID alloc] initWithRpcID:elementID timer:timer];
+	
+	rpcIDs[elementID] = rpcID;
+	
+	[xmppStream sendElement:iq];
+	
+	return elementID;
+}
+
+- (void)timeoutRemoveRpcID:(NSString *)elementID
+{
+	XMPPLogTrace();
+	
+	RPCID *rpcID = rpcIDs[elementID];
+	if (rpcID)
+	{
+		[rpcID cancelTimer];
+		[rpcIDs removeObjectForKey:elementID];
+		
+		NSError *error = [NSError errorWithDomain:XMPPJabberRPCErrorDomain
+                                         code:1400
+                                     userInfo:@{@"error" : @"Request timed out"}];
+		
+		[multicastDelegate jabberRPC:self elementID:elementID didReceiveError:error];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	if ([iq isJabberRPC])
+	{
+		if ([iq isResultIQ] || [iq isErrorIQ])
+		{
+			// Example:
+			// 
+			// <iq from="deusty.com" to="robbiehanson@deusty.com/work" id="abc123" type="result"/>
+			
+			NSString *elementID = [iq elementID];
+			
+			// check if this is a JabberRPC query
+			// we could check the query element, but we should be able to do a lookup based on the unique elementID
+			// because we send an ID, we should get one back
+			
+			RPCID *rpcID = rpcIDs[elementID];
+			if (rpcID == nil)
+			{
+				return NO;
+			}
+			
+			XMPPLogVerbose(@"%@: Received RPC response!", THIS_FILE);
+			
+			if ([iq isResultIQ])
+			{
+				id response;
+				NSError *error = nil;
+				
+				//TODO: parse iq and generate response.
+				response = [iq methodResponse:&error];
+				
+				if (error == nil) {
+					[multicastDelegate jabberRPC:self elementID:elementID didReceiveMethodResponse:response];
+				} else {
+					[multicastDelegate jabberRPC:self elementID:elementID didReceiveError:error];
+				}
+				
+			}
+			else
+			{
+				// TODO: implement error parsing
+				// not much specified in XEP, only 403 forbidden error
+				NSXMLElement *errorElement = [iq childErrorElement];
+				NSError *error = [NSError errorWithDomain:XMPPJabberRPCErrorDomain
+                                             code:[errorElement attributeIntValueForName:@"code"]
+                                         userInfo:@{
+                                                                                      @"error" : [errorElement attributesAsDictionary],
+                                                                                      @"condition" : [[errorElement childAtIndex:0] name],
+                                                                                      @"iq" : iq}];
+				
+				[multicastDelegate jabberRPC:self elementID:elementID didReceiveError:error];
+			}
+			
+			[rpcID cancelTimer];
+			[rpcIDs removeObjectForKey:elementID];
+			
+#ifdef _XMPP_CAPABILITIES_H
+		} else if ([iq isSetIQ]) {
+			// we would receive set when implementing Jabber-RPC server
+			
+			[multicastDelegate jabberRPC:self didReceiveSetIQ:iq];
+#endif		
+		}
+		
+		// Jabber-RPC doesn't use get iq type
+	}
+	return NO;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPCapabilities delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for JabberRPC.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	XMPPLogTrace();
+	
+	// <query xmlns="http://jabber.org/protocol/disco#info">
+	//   ...
+	//   <identity category='automation' type='rpc'/>
+    //	 <feature var='jabber:iq:rpc'/>
+	//   ...
+	// </query>
+	[query addChild:[XMPPIQ elementRpcIdentity]];
+	[query addChild:[XMPPIQ elementRpcFeature]];
+}
+#endif
+
+@end
diff --git a/Extensions/XEP-0012/XMPPIQ+LastActivity.h b/Extensions/XEP-0012/XMPPIQ+LastActivity.h
new file mode 100644
index 0000000..884119e
--- /dev/null
+++ b/Extensions/XEP-0012/XMPPIQ+LastActivity.h
@@ -0,0 +1,94 @@
+//
+//  XMPPIQ+LastActivity.h
+//  XEP-0012
+//
+//  Created by Daniel Rodríguez Troitiño on 1/26/2013.
+//
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPIQ.h"
+
+@class XMPPJID;
+
+/**
+ * Last Activity XEP-0012 namespace: "jabber:iq:last".
+ */
+extern NSString *const XMPPLastActivityNamespace;
+
+/**
+ * Helper methods to create last activity queries inside IQ stanzas or to
+ * inspect result IQ answering last activity queries.
+ */
+@interface XMPPIQ (LastActivity)
+
+/**
+ * Returns an get XMPPIQ with a last activity query child element addressed to
+ * the given JID.
+ */
++ (XMPPIQ *)lastActivityQueryTo:(XMPPJID *)jid;
+
+/**
+ * Returns a result XMPPIQ answering the given XMPPIQ request with the given
+ * number of seconds.
+ *
+ * The from and to attributes of the returned XMPPIQ will be switched from the
+ * from and to attributes of the given request. The element ID will be the same
+ * of the given request. No status message will be included.
+ */
++ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds;
+
+/**
+ * Returns a result XMPPIQ answering the given XMPPIQ request with the given
+ * number of seconds and the given unavailable status.
+ *
+ * The from and to attributes of the returned XMPPIQ will be switched from the
+ * from and to attributes of the given request. The element ID will be the same
+ * of the given request.
+ */
++ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds status:(NSString *)status;
+
+/**
+ * Returns an error XMPPIQ answering the given XMPPIQ request.
+ *
+ * The from and to attributes of the returned XMPPIQ will be switched from the
+ * from and to attributes of the given request. The element ID will be the same
+ * of the given request.
+ *
+ * An error element with a forbidden element will be included as child element:
+ *
+ * <iq from='juliet@capulet.com'
+ *     id='last1'
+ *     to='romeo@montague.net/orchard'
+ *     type='error'>
+ *   <error type='auth'>
+ *     <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+ *   </error>
+ *  </iq>
+ */
++ (XMPPIQ *)lastActivityResponseForbiddenToIQ:(XMPPIQ *)request;
+
+/**
+ * Returns YES if the child element of this XMPPIQ is a query element from the
+ * XMPPLastActivityNamespace. Otherwise returns NO.
+ */
+- (BOOL)isLastActivityQuery;
+
+/**
+ * Returns the parsed number from the seconds attribute of the query subelement.
+ *
+ * Returns NSNotFound in case this XMPPIQ has no query element, or that query
+ * element does not have a seconds attribute. Returns 0 in case the seconds
+ * attribute cannot be parsed as a integer.
+ */
+- (NSUInteger)lastActivitySeconds;
+
+/**
+ * Returns the contents of the query subelement.
+ *
+ * Returns nil in case this XMPPIQ has no query element, or the query element
+ * does not have contents.
+ */
+- (NSString *)lastActivityUnavailableStatus;
+
+@end
diff --git a/Extensions/XEP-0012/XMPPIQ+LastActivity.m b/Extensions/XEP-0012/XMPPIQ+LastActivity.m
new file mode 100644
index 0000000..b0ec5b5
--- /dev/null
+++ b/Extensions/XEP-0012/XMPPIQ+LastActivity.m
@@ -0,0 +1,97 @@
+//
+//  XMPPIQ+LastActivity.m
+//  XEP-0012
+//
+//  Created by Daniel Rodríguez Troitiño on 1/26/2013.
+//
+
+#import "XMPPIQ+LastActivity.h"
+
+#import "XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+NSString *const XMPPLastActivityNamespace = @"jabber:iq:last";
+
+@implementation XMPPIQ (LastActivity)
+
++ (XMPPIQ *)lastActivityQueryTo:(XMPPJID *)jid
+{
+	NSXMLElement *query = [[NSXMLElement alloc] initWithName:@"query" xmlns:XMPPLastActivityNamespace];
+	return [[self alloc] initWithType:@"get" to:jid elementID:[XMPPStream generateUUID] child:query];
+}
+
++ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds
+{
+	return [self lastActivityResponseToIQ:request withSeconds:seconds status:nil];
+}
+
++ (XMPPIQ *)lastActivityResponseToIQ:(XMPPIQ *)request withSeconds:(NSUInteger)seconds status:(NSString *)status
+{
+	NSXMLElement *query = [[NSXMLElement alloc] initWithName:@"query" xmlns:XMPPLastActivityNamespace];
+    [query addAttributeWithName:@"seconds" stringValue:[NSString stringWithFormat:@"%lu", (unsigned long)seconds]];
+	if (status && [status length] > 0)
+	{
+		[query setStringValue:status];
+	}
+    
+	return [[self alloc] initWithType:@"result" to:request.from elementID:request.elementID child:query];
+}
+
++ (XMPPIQ *)lastActivityResponseForbiddenToIQ:(XMPPIQ *)request
+{
+	NSXMLElement *reason = [[NSXMLElement alloc] initWithName:@"forbidden" xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
+	NSXMLElement *error = [[NSXMLElement alloc] initWithName:@"error"];
+	[error addAttributeWithName:@"type" stringValue:@"auth"];
+	[error addChild:reason];
+    
+	return [[self alloc] initWithType:@"error" to:request.from elementID:request.elementID child:error];
+}
+
+- (BOOL)isLastActivityQuery
+{
+	return nil != [self lastActivityQueryElement];
+}
+
+- (NSUInteger)lastActivitySeconds
+{
+	NSUInteger seconds = NSNotFound;
+	NSXMLElement *query = [self lastActivityQueryElement];
+	if (query)
+	{
+		NSXMLNode *attribute = [query attributeForName:@"seconds"];
+		if (attribute)
+		{
+            // Some Servers Return -1 to indicate no activity, so we need to ignore these
+            if([query attributeIntegerValueForName:@"seconds"] >= 0)
+            {
+                seconds = [query attributeUnsignedIntegerValueForName:@"seconds"];
+            }
+		}
+	}
+    
+	return seconds;
+}
+
+- (NSString *)lastActivityUnavailableStatus
+{
+	NSXMLElement *query = [self lastActivityQueryElement];
+	if (query)
+	{
+		return [query stringValue];
+	}
+	else
+	{
+		return nil;
+	}
+}
+
+- (NSXMLElement *)lastActivityQueryElement
+{
+	return [self elementForName:@"query" xmlns:XMPPLastActivityNamespace];
+}
+
+@end
+
diff --git a/Extensions/XEP-0012/XMPPLastActivity.h b/Extensions/XEP-0012/XMPPLastActivity.h
new file mode 100644
index 0000000..f266445
--- /dev/null
+++ b/Extensions/XEP-0012/XMPPLastActivity.h
@@ -0,0 +1,119 @@
+//
+//  XMPPLastActivity.h
+//  XEP-0012
+//
+//  Created by Daniel Rodríguez Troitiño on 1/26/2013.
+//
+//
+
+#import "XMPP.h"
+#import "XMPPIQ+LastActivity.h"
+
+#define _XMPP_LAST_ACTIVITY_H
+
+/**
+ * Provides support to both sending last activity queries and answering those
+ * last activity queries done by other entities, as documented in the XEP-0012.
+ *
+ * The automatic responses can be disabled setting respondsToQueries to NO.
+ *
+ * If no delegate of this class responds to
+ * numberOfIdleTimeSecondsForXMPPLastActivity:currentIdleTimeSeconds: a default
+ * value of 0 will be send to the other entities. You are encouraged to provide
+ * at least one delegate with this method implemented.
+ */
+@interface XMPPLastActivity : XMPPModule
+
+/**
+ * Whether or not the module should respond to incoming last activity queries.
+ *
+ * If you create multiple instances of this module, only one instance should
+ * respond to queries.
+ *
+ * It is recommended you set this (if needed) before you activate the module.
+ *
+ * The default value is YES.
+ */
+@property (atomic, assign) BOOL respondsToQueries;
+
+/**
+ * Send a last activity query to an specific JID.
+ *
+ * XEP-0012 specifies that last activity queries can be send to offline
+ * entities (bare JID), to online resources (full JID) or servers (domain only
+ * JID). The answers of each of those kind of JIDs are a little different and
+ * has different meaning. It is responsability of the consumer to interpretate
+ * those answers.
+ *
+ * The module will wait for an answer from the server or the entity for at most
+ * 30 seconds before considering this request a timeout failure.
+ *
+ * The delegates of the module should implement
+ * xmppLastActivity:didReceiveResponse: and
+ * xmppLastActivity:didNotReceiveResponse:dueToTimeout: to be informed when the
+ * result of the IQ arrives (or the timeout happens).
+ *
+ * The returning string is the element ID of the IQ that was sent including the
+ * last activity query.
+ */
+- (NSString *)sendLastActivityQueryToJID:(XMPPJID *)jid;
+
+/**
+ * Send a last activity query to an specific JID with an specific timeout.
+ *
+ * XEP-0012 specifies that last activity queries can be send to offline
+ * entities (bare JID), to online resources (full JID) or servers (domain only
+ * JID). The answers of each of those kind of JIDs are a little different and
+ * has different meaning. It is responsability of the consumer to interpretate
+ * those answers.
+ *
+ * The module will wait for an answer from the server or the entity for at most
+ * the number seconds given by tiemout before considering this request a timeout
+ * failure.
+ *
+ * The delegates of the module should implement
+ * xmppLastActivity:didReceiveResponse: and
+ * xmppLastActivity:didNotReceiveResponse:dueToTimeout: to be informed when the
+ * result of the IQ arrives (or the timeout happens).
+ *
+ * The returning string is the element ID of the IQ that was sent including the
+ * last activity query.
+ */
+- (NSString *)sendLastActivityQueryToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout;
+
+@end
+
+@protocol XMPPLastActivityDelegate <NSObject>
+
+/**
+ * Callback when the XMPPLastActivity sender receives a result IQ or an error IQ
+ * for a previous get IQ.
+ *
+ * The XMPPIQ response can be queried using the methods in the category
+ * XMPPIQ (LastActivity) for the seconds and status value.
+ */
+- (void)xmppLastActivity:(XMPPLastActivity *)sender didReceiveResponse:(XMPPIQ *)response;
+
+/**
+ * Callback when the XMPPLastActivity sender does not receive neither a result
+ * IQ nor a error IQ after timeout seconds have passed.
+ *
+ * The queryID is the element ID used to send the query, so the consumer can
+ * compare it with the element ID returned by the sendLastActivityQueryToJID:
+ * methods and act accordingly.
+ */
+- (void)xmppLastActivity:(XMPPLastActivity *)sender didNotReceiveResponse:(NSString *)queryID dueToTimeout:(NSTimeInterval)timeout;
+
+/**
+ * Callback to obtain the number of idle seconds that the XMPPLastActivity
+ * sender should use as answer to a last activity query iq.
+ *
+ * Each delegate will be asked in turn (the order is not guaranteed) and each of
+ * then should decide to return the given idleSeconds value, or a new value as
+ * the number of idleSeconds. The first delegate will receive NSNotFound as the
+ * value of idleSecond. If the last delegate returns NSNotFound as result, the
+ * answer will be 0 seconds.
+ */
+- (NSUInteger)numberOfIdleTimeSecondsForXMPPLastActivity:(XMPPLastActivity *)sender queryIQ:(XMPPIQ *)iq currentIdleTimeSeconds:(NSUInteger)idleSeconds;
+
+@end
diff --git a/Extensions/XEP-0012/XMPPLastActivity.m b/Extensions/XEP-0012/XMPPLastActivity.m
new file mode 100644
index 0000000..a5acb82
--- /dev/null
+++ b/Extensions/XEP-0012/XMPPLastActivity.m
@@ -0,0 +1,222 @@
+//
+//  XMPPLastActivity.m
+//  XEP-0012
+//
+//  Created by Daniel Rodríguez Troitiño on 1/26/2013.
+//
+//
+
+#import "XMPPLastActivity.h"
+#import "XMPPIDTracker.h"
+#import "XMPPIQ+LastActivity.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+static const NSTimeInterval XMPPLastActivityDefaultTimeout = 30.0;
+
+
+@interface XMPPLastActivity ()
+
+@property (atomic, strong) XMPPIDTracker *queryTracker;
+
+@end
+
+
+@implementation XMPPLastActivity
+
+@synthesize respondsToQueries = _respondsToQueries;
+@synthesize queryTracker = _queryTracker;
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		_respondsToQueries = YES;
+	}
+    
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+#endif
+        
+		_queryTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
+        
+		return YES;
+	}
+    
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+    
+	dispatch_block_t block = ^{ @autoreleasepool {
+		[_queryTracker removeAllIDs];
+		_queryTracker = nil;
+	}};
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+    
+    [super deactivate];
+}
+
+- (BOOL)respondsToQueries
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return _respondsToQueries;
+	}
+	else
+	{
+		__block BOOL result;
+        
+		dispatch_sync(moduleQueue, ^{
+			result = _respondsToQueries;
+		});
+        
+		return result;
+	}
+}
+
+- (void)setRespondsToQueries:(BOOL)respondsToQueries
+{
+	dispatch_block_t block = ^{
+		if (_respondsToQueries != respondsToQueries)
+		{
+			_respondsToQueries = respondsToQueries;
+            
+#ifdef _XMPP_CAPABILITIES_H
+			@autoreleasepool {
+				// Capabilities may have changed, need to notify others
+				[xmppStream resendMyPresence];
+			}
+#endif
+		}
+	};
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+- (NSString *)sendLastActivityQueryToJID:(XMPPJID *)jid
+{
+	return [self sendLastActivityQueryToJID:jid withTimeout:XMPPLastActivityDefaultTimeout];
+}
+
+- (NSString *)sendLastActivityQueryToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout
+{
+	XMPPIQ *query = [XMPPIQ lastActivityQueryTo:jid];
+	NSString *queryID = query.elementID;
+    
+	dispatch_async(moduleQueue, ^{
+		__weak __typeof__(self) self_weak_ = self;
+		[_queryTracker addID:queryID block:^(XMPPIQ *iq, id<XMPPTrackingInfo> info) {
+			__strong __typeof__(self) self = self_weak_;
+			if (iq)
+			{
+				[self delegateDidReceiveResponse:iq];
+			}
+			else
+			{
+				[self delegateDidNotReceiveResponse:info.elementID dueToTimeout:info.timeout];
+			}
+		} timeout:timeout];
+        
+		[xmppStream sendElement:query];
+	});
+    
+	return queryID;
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	NSString *type = [iq type];
+    
+	if (([type isEqualToString:@"result"] || [type isEqualToString:@"error"]))
+	{
+		return [_queryTracker invokeForID:iq.elementID withObject:iq];
+	}
+	else if (_respondsToQueries && [type isEqualToString:@"get"] && [iq isLastActivityQuery])
+	{
+		NSUInteger seconds = [self delegateNumberOfIdleTimeSecondsWithIQ:iq];
+		XMPPIQ *response = [XMPPIQ lastActivityResponseToIQ:iq withSeconds:seconds];
+		[sender sendElement:response];
+        
+		return YES;
+	}
+    
+	return NO;
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[_queryTracker removeAllIDs];
+}
+
+#ifdef _XMPP_CAPABILITIES_H
+// If an XMPPCapabilities instance is used we want to advertise our support for last activity.
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	if (_respondsToQueries)
+	{
+		NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+		[feature addAttributeWithName:@"var" stringValue:XMPPLastActivityNamespace];
+        
+		[query addChild:feature];
+	}
+}
+#endif
+
+- (void)delegateDidReceiveResponse:(XMPPIQ *)response
+{
+	[multicastDelegate xmppLastActivity:self didReceiveResponse:response];
+}
+
+- (void)delegateDidNotReceiveResponse:(NSString *)queryID dueToTimeout:(NSTimeInterval)timeout
+{
+	[multicastDelegate xmppLastActivity:self didNotReceiveResponse:queryID dueToTimeout:timeout];
+}
+
+- (NSUInteger)delegateNumberOfIdleTimeSecondsWithIQ:(XMPPIQ *)iq
+{
+	__block NSUInteger idleSeconds = NSNotFound;
+    
+	GCDMulticastDelegateEnumerator *delegateEnumerator = [multicastDelegate delegateEnumerator];
+    
+	id delegate;
+	dispatch_queue_t delegateQueue;
+	SEL selector = @selector(numberOfIdleTimeSecondsForXMPPLastActivity:queryIQ:currentIdleTimeSeconds:);
+    
+	while ([delegateEnumerator getNextDelegate:&delegate delegateQueue:&delegateQueue forSelector:selector])
+	{
+		dispatch_sync(delegateQueue, ^{ @autoreleasepool {
+			idleSeconds = [delegate numberOfIdleTimeSecondsForXMPPLastActivity:self queryIQ:iq currentIdleTimeSeconds:idleSeconds];
+		}});
+	}
+    
+	return idleSeconds == NSNotFound ? 0 : idleSeconds;
+}
+
+@end
diff --git a/Extensions/XEP-0016/XMPPPrivacy.h b/Extensions/XEP-0016/XMPPPrivacy.h
new file mode 100644
index 0000000..e6c68c5
--- /dev/null
+++ b/Extensions/XEP-0016/XMPPPrivacy.h
@@ -0,0 +1,231 @@
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+#define _XMPP_PRIVACY_H
+
+@class XMPPIQ;
+
+extern NSString *const XMPPPrivacyErrorDomain;
+
+typedef enum XMPPPrivacyErrorCode
+{
+	XMPPPrivacyQueryTimeout,  // No response from server
+	XMPPPrivacyDisconnect,    // XMPP disconnection
+	
+} XMPPPrivacyErrorCode;
+
+
+
+@interface XMPPPrivacy : XMPPModule
+{
+	BOOL autoRetrievePrivacyListNames;
+	BOOL autoRetrievePrivacyListItems;
+	BOOL autoClearPrivacyListInfo;
+	
+	NSMutableDictionary *privacyDict;
+	NSString *activeListName;
+	NSString *defaultListName;
+	
+	NSMutableDictionary *pendingQueries;
+}
+
+/**
+ * Whether or not the module should automatically retrieve the privacy list names.
+ * If this property is enabled, then the list is automatically fetched when the client signs in.
+ * 
+ * The default value is YES.
+**/
+@property (readwrite, assign) BOOL autoRetrievePrivacyListNames;
+
+/**
+ * Whether or not the module should automatically retrieve the privacy list rules.
+ * If this property is enabled, then the rules for each privacy list are automatically fetched.
+ * 
+ * In other words, if the privacy list names are fetched (either automatically, or via retrieveListNames),
+ * then the module will automatically fetch the associated rules.
+ * It will also update the set of rules if we receive a "privacy list push"
+ * from the server that another resource has changed one of the privacy lists.
+ * 
+ * The default value is YES.
+**/
+@property (readwrite, assign) BOOL autoRetrievePrivacyListItems;
+
+/**
+ * Whether the module should automatically clear the privacy list info when the client disconnects.
+ * 
+ * As per the XEP, if there are multiple resources signed in for the user,
+ * and one resource makes changes to a privacy list, all other resources are "pushed" a notification.
+ * However, if our client is disconnected when another resource makes the changes,
+ * then the only way we can find out about the changes are to redownload the privacy lists.
+ * 
+ * It is recommended to clear the privacy list to assure we have the correct info.
+ * However, there may be specific situations in which an xmpp client can be sure the privacy list won't change.
+ * 
+ * The default value is YES.
+**/
+@property (readwrite, assign) BOOL autoClearPrivacyListInfo;
+
+/**
+ * Manual fetch of list names and rules, and manual control over when to clear stored info.
+**/
+- (void)retrieveListNames;
+- (void)retrieveListWithName:(NSString *)privacyListName;
+- (void)clearPrivacyListInfo;
+
+/**
+ * Returns the privacy list names.
+ * This is an array of strings.
+**/
+- (NSArray *)listNames;
+
+/**
+ * Returns the privacy list rules/items for the given list name.
+ * 
+ * The result is an array or privacy items (NSXMLElement's).
+ * The array is sorted according to order, where the item with the smallest 'order' is first in the array.
+**/
+- (NSArray *)listWithName:(NSString *)privacyListName;
+
+/**
+ * Returns information about the active list.
+ * If there is no active list, the methods return nil.
+ * 
+ * The activeList method is a convenience method for [modPriv listWithName:[modPriv activeListName]]
+**/
+- (NSString *)activeListName;
+- (NSArray *)activeList;
+
+/**
+ * Returns information about the default list.
+ * If there is no default list, the methods return nil.
+ * 
+ * The defaultList method is a convenience method for [modPriv listWithName:[modPriv defaultListName]]
+**/
+- (NSString *)defaultListName;
+- (NSArray *)defaultList;
+
+/**
+ * Changes the client's active privacy list to the list with the given name.
+ * The privacy list name must match the name of an existing privacy list.
+ * 
+ * To decline the use of an active list simply pass nil to this method.
+ * 
+ * Once the server has acknowledged the change,
+ * the delegate method xmppPrivacy:didSetActiveListName: will be invoked.
+ * If the server is unable to process the change (e.g. invalid list name),
+ * the delegate method xmppPrivacy:didNotSetActiveListName:error: will be invoked.
+ * 
+ * The methods activeListName and activeList will update after the server acknowledges the change.
+**/
+- (void)setActiveListName:(NSString *)privacyListName;
+
+/**
+ * Changes the client's default privacy list to the list with the given name.
+ * The privacy list name must match the name of an existing privacy list.
+ * 
+ * To decline the use of a default list simply pass nil to this method.
+ * 
+ * Once the server has acknowledged the change,
+ * the delegate method xmppPrivacy:didSetDefaultListName: will be invoked.
+ * If the server is unable to process the change (e.g. invalid list name, in use by another resource),
+ * the delegate method xmppPrivacy:didNotSetDefaultListName:error: will be invoked.
+ * 
+ * The methods defaultListName and defaultList will update after the server acknowledges the change.
+**/
+- (void)setDefaultListName:(NSString *)privacyListName;
+
+/**
+ * Adds/Edits/Removes a privacy list with the given name.
+ * The given array should contain only privacy items (NSXMLElement's).
+ * 
+ * To remove a privacy list, invoke this method will a nil or empty items parameter.
+**/
+- (void)setListWithName:(NSString *)privacyListName items:(NSArray *)items;
+
+/**
+ * The following are convenience methods to create privacy item rules.
+ * A quick refresher from the XEP-0016 documentation is provided below.
+ * 
+ * The 'type' attribute is OPTIONAL, and must be one of: jid|group|subscription
+ * 
+ * If the 'type' is 'jid', then the 'value' must contain a valid JID.
+ * JIDs are to be matched in the following order:
+ * 
+ * - <user@domain/resource> (only that resource matches)
+ * - <user@domain> (any resource matches)
+ * - <domain/resource> (only that resource matches)
+ * - <domain> (the domain itself matches, as does any user@domain or domain/resource)
+ * 
+ * If the 'type' is 'group', then the 'value' should contain the name of a group in the user's roster.
+ * 
+ * If the 'type' is 'subscription', then the 'value' must be one of: both|to|from|none
+ * 
+ * The 'action' attribute is MANDATORY and must be one of: allow|deny
+ * 
+ * The 'order' attribute is MANDATORY and must be a non-negative integer that is unique among all items in the list.
+ * List items are processed by the server according to the 'order' attribute in ascending order. (0 before 1, etc)
+ * Once the server matches a privacy item in the list, it obeys the item and ceases processing.
+ * 
+ * The privacy item may contain one or more child elements that specify more granular blocking control:
+ * 
+ * - <message/> (blocks incoming message stanzas)
+ * - <iq/> (blocks incoming IQ stanzas)
+ * - <presence-in/> (blocks incoming presence notifications)
+ * - <presence-out/> (blocks outgoing presence notifications)
+**/
++ (NSXMLElement *)privacyItemWithAction:(NSString *)action order:(NSUInteger)order;
++ (NSXMLElement *)privacyItemWithType:(NSString *)type
+                                value:(NSString *)value
+                               action:(NSString *)action
+                                order:(NSUInteger)order;
+
++ (void)blockIQs:(NSXMLElement *)privacyItem;
++ (void)blockMessages:(NSXMLElement *)privacyItem;
++ (void)blockPresenceIn:(NSXMLElement *)privacyItem;
++ (void)blockPresenceOut:(NSXMLElement *)privacyItem;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPPrivacyDelegate
+@optional
+
+/**
+ * The following delegate methods correspond almost exactly with the action methods of the class.
+ * There are a few possible ways in which an action could fail:
+ * 
+ * 1. We receive an error response from the server.
+ * 2. We receive no response from the server, and the query times out.
+ * 3. We get disconnected before we receive the response.
+ * 
+ * In case number 1, the error will be an XMPPIQ of type='error'.
+ * 
+ * In case number 2 or 3, the error will be an NSError
+ * with domain=XMPPPrivacyErrorDomain and code from the XMPPPrivacyErrorCode enumeration.
+**/
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didReceiveListNames:(NSArray *)listNames;
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didNotReceiveListNamesDueToError:(id)error;
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didReceiveListWithName:(NSString *)name items:(NSArray *)items;
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didNotReceiveListWithName:(NSString *)name error:(id)error;
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didReceivePushWithListName:(NSString *)name;
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didSetActiveListName:(NSString *)name;
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didNotSetActiveListName:(NSString *)name error:(id)error;
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didSetDefaultListName:(NSString *)name;
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didNotSetDefaultListName:(NSString *)name error:(id)error;
+
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didSetListWithName:(NSString *)name;
+- (void)xmppPrivacy:(XMPPPrivacy *)sender didNotSetListWithName:(NSString *)name error:(id)error;
+
+@end
diff --git a/Extensions/XEP-0016/XMPPPrivacy.m b/Extensions/XEP-0016/XMPPPrivacy.m
new file mode 100644
index 0000000..cdf6880
--- /dev/null
+++ b/Extensions/XEP-0016/XMPPPrivacy.m
@@ -0,0 +1,1001 @@
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPPrivacy.h"
+#import "NSNumber+XMPP.h"
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#ifdef DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define QUERY_TIMEOUT 30.0 // NSTimeInterval (double) = seconds
+
+NSString *const XMPPPrivacyErrorDomain = @"XMPPPrivacyErrorDomain";
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+typedef enum XMPPPrivacyQueryInfoType {
+	FetchList,
+	FetchRules,
+	EditList,
+	SetActiveList,
+	SetDefaultList
+	
+} XMPPPrivacyQueryInfoType;
+
+@interface XMPPPrivacyQueryInfo : NSObject
+{
+	XMPPPrivacyQueryInfoType type;
+	NSString *privacyListName;
+	NSArray *privacyListItems;
+	
+	dispatch_source_t timer;
+}
+
+@property (nonatomic, readonly) XMPPPrivacyQueryInfoType type;
+@property (nonatomic, readonly) NSString *privacyListName;
+@property (nonatomic, readonly) NSArray *privacyListItems;
+
+@property (nonatomic, readwrite) dispatch_source_t timer;
+
+- (void)cancel;
+
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type;
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type name:(NSString *)name;
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type name:(NSString *)name items:(NSArray *)items;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPPrivacy (/* Must be nameless for properties */)
+
+- (void)addQueryInfo:(XMPPPrivacyQueryInfo *)qi withKey:(NSString *)uuid;
+- (void)queryTimeout:(NSString *)uuid;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPPrivacy
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		autoRetrievePrivacyListNames = YES;
+		autoRetrievePrivacyListItems = YES;
+		autoClearPrivacyListInfo     = YES;
+		
+		privacyDict = [[NSMutableDictionary alloc] init];
+		activeListName = nil;
+		defaultListName = nil;
+		
+		pendingQueries = [[NSMutableDictionary alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		// Reserved for possible future use.
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	// Reserved for possible future use.
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoRetrievePrivacyListNames
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return autoRetrievePrivacyListNames;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = autoRetrievePrivacyListNames;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setAutoRetrievePrivacyListNames:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		autoRetrievePrivacyListNames = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoRetrievePrivacyListItems
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return autoRetrievePrivacyListItems;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = autoRetrievePrivacyListItems;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setAutoRetrievePrivacyListItems:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		autoRetrievePrivacyListItems = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoClearPrivacyListInfo
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return autoClearPrivacyListInfo;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = autoClearPrivacyListInfo;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setAutoClearPrivacyListInfo:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		autoClearPrivacyListInfo = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)retrieveListNames
+{
+	XMPPLogTrace();
+	
+	// <iq type='get' id='abc123'>
+	//   <query xmlns='jabber:iq:privacy'/>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:privacy"];
+	
+	NSString *uuid = [xmppStream generateUUID];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:nil elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	XMPPPrivacyQueryInfo *qi = [XMPPPrivacyQueryInfo queryInfoWithType:FetchList];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (void)retrieveListWithName:(NSString *)privacyListName
+{
+	XMPPLogTrace();
+	
+	if (privacyListName == nil) return;
+	
+	// <iq type='get' id='abc123'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <list name='public'/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *list = [NSXMLElement elementWithName:@"list"];
+	[list addAttributeWithName:@"name" stringValue:privacyListName];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:privacy"];
+	[query addChild:list];
+	
+	NSString *uuid = [xmppStream generateUUID];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:nil elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	XMPPPrivacyQueryInfo *qi = [XMPPPrivacyQueryInfo queryInfoWithType:FetchRules name:privacyListName];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (void)clearPrivacyListInfo
+{
+	XMPPLogTrace();
+	
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		[privacyDict removeAllObjects];
+	}
+	else
+	{
+		dispatch_async(moduleQueue, ^{ @autoreleasepool {
+			
+			[privacyDict removeAllObjects];
+		}});
+	}
+}
+
+- (NSArray *)listNames
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return [privacyDict allKeys];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(moduleQueue, ^{ @autoreleasepool {
+			
+			result = [[privacyDict allKeys] copy];
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)listWithName:(NSString *)privacyListName
+{
+	NSArray* (^block)() = ^ NSArray* () {
+		
+		id result = privacyDict[privacyListName];
+		
+		if (result == [NSNull null]) // Not fetched yet
+			return nil;
+		else
+			return (NSArray *)result;
+	};
+	
+	// ExecuteVoidBlock(moduleQueue, block);
+	// ExecuteNonVoidBlock(moduleQueue, block, NSArray*)
+	
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return block();
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(moduleQueue, ^{ @autoreleasepool {
+			
+			result = block();
+		}});
+		
+		return result;
+	}
+}
+
+- (NSString *)activeListName
+{
+	return activeListName;
+}
+
+- (NSArray *)activeList
+{
+	return [self listWithName:activeListName];
+}
+
+- (void)setActiveListName:(NSString *)privacyListName
+{
+	// Setting active list:
+	// 
+	// <iq type='set' id='active1'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <active name='special'/>
+	//   </query>
+	// </iq>
+	// 
+	// Decline the use of active lists:
+	// 
+	// <iq type='set' id='active3'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <active/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *active = [NSXMLElement elementWithName:@"active"];
+	if (privacyListName)
+	{
+		[active addAttributeWithName:@"name" stringValue:privacyListName];
+	}
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:privacy"];
+	[query addChild:active];
+	
+	NSString *uuid = [xmppStream generateUUID];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	XMPPPrivacyQueryInfo *qi = [XMPPPrivacyQueryInfo queryInfoWithType:SetActiveList name:privacyListName];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (NSString *)defaultListName
+{
+	return defaultListName;
+}
+
+- (NSArray *)defaultList
+{
+	return [self listWithName:defaultListName];
+}
+
+- (void)setDefaultListName:(NSString *)privacyListName
+{
+	// Setting default list:
+	// 
+	// <iq type='set' id='default1'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <default name='special'/>
+	//   </query>
+	// </iq>
+	// 
+	// Decline the use of default list:
+	// 
+	// <iq type='set' id='default2'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <default/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *dfault = [NSXMLElement elementWithName:@"default"];
+	if (privacyListName)
+	{
+		[dfault addAttributeWithName:@"name" stringValue:privacyListName];
+	}
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:privacy"];
+	[query addChild:dfault];
+	
+	NSString *uuid = [xmppStream generateUUID];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	XMPPPrivacyQueryInfo *qi = [XMPPPrivacyQueryInfo queryInfoWithType:SetDefaultList name:privacyListName];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (void)setListWithName:(NSString *)privacyListName items:(NSArray *)items
+{
+	// Edit a privacy list:
+	// 
+	// <iq type='set' id='edit1'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <list name='public'>
+	//       <item type='jid' value='tybalt@example.com' action='deny' order='3'/>
+	//       <item type='jid' value='paris@example.org' action='deny' order='5'/>
+	//       <item action='allow' order='68'/>
+	//     </list>
+	//   </query>
+	// </iq>
+	// 
+	// 
+	// Remove a privacy list:
+	// 
+	// <iq type='set' id='remove1'>
+	//   <query xmlns='jabber:iq:privacy'>
+	//     <list name='private'/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *list = [NSXMLElement elementWithName:@"list"];
+	[list addAttributeWithName:@"name" stringValue:privacyListName];
+	
+	if (items && ([items count] > 0))
+	{
+		[list setChildren:items];
+	}
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:privacy"];
+	[query addChild:list];
+	
+	NSString *uuid = [xmppStream generateUUID];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	XMPPPrivacyQueryInfo *qi = [XMPPPrivacyQueryInfo queryInfoWithType:EditList name:privacyListName items:items];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Query Processing
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)addQueryInfo:(XMPPPrivacyQueryInfo *)queryInfo withKey:(NSString *)uuid
+{
+	// Setup timer
+	
+	dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+	
+	dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+		
+		[self queryTimeout:uuid];
+	}});
+	
+	dispatch_time_t fireTime = dispatch_time(DISPATCH_TIME_NOW, (QUERY_TIMEOUT * NSEC_PER_SEC));
+	
+	dispatch_source_set_timer(timer, fireTime, DISPATCH_TIME_FOREVER, 1.0);
+	dispatch_resume(timer);
+	
+	queryInfo.timer = timer;
+	
+	// Add to dictionary
+	pendingQueries[uuid] = queryInfo;
+}
+
+- (void)removeQueryInfo:(XMPPPrivacyQueryInfo *)queryInfo withKey:(NSString *)uuid
+{
+	// Invalidate timer
+	[queryInfo cancel];
+	
+	// Remove from dictionary
+	[pendingQueries removeObjectForKey:uuid];
+}
+
+- (void)processQuery:(XMPPPrivacyQueryInfo *)queryInfo withFailureCode:(XMPPPrivacyErrorCode)errorCode
+{
+	NSError *error = [NSError errorWithDomain:XMPPPrivacyErrorDomain code:errorCode userInfo:nil];
+	
+	if (queryInfo.type == FetchList)
+	{
+		[multicastDelegate xmppPrivacy:self didNotReceiveListNamesDueToError:error];
+	}
+	else if (queryInfo.type == FetchRules)
+	{
+		[multicastDelegate xmppPrivacy:self didNotReceiveListWithName:queryInfo.privacyListName error:error];
+	}
+	else if (queryInfo.type == EditList)
+	{
+		[multicastDelegate xmppPrivacy:self didNotSetListWithName:queryInfo.privacyListName error:error];
+	}
+	else if (queryInfo.type == SetActiveList)
+	{
+		[multicastDelegate xmppPrivacy:self didNotSetActiveListName:queryInfo.privacyListName error:error];
+	}
+	else if (queryInfo.type == SetDefaultList)
+	{
+		[multicastDelegate xmppPrivacy:self didNotSetDefaultListName:queryInfo.privacyListName error:error];
+	}
+}
+
+- (void)queryTimeout:(NSString *)uuid
+{
+	XMPPPrivacyQueryInfo *queryInfo = privacyDict[uuid];
+	if (queryInfo)
+	{
+		[self processQuery:queryInfo withFailureCode:XMPPPrivacyQueryTimeout];
+		[self removeQueryInfo:queryInfo withKey:uuid];
+	}
+}
+
+NSInteger sortItems(id itemOne, id itemTwo, void *context)
+{
+	NSXMLElement *item1 = (NSXMLElement *)itemOne;
+	NSXMLElement *item2 = (NSXMLElement *)itemTwo;
+	
+	NSString *orderStr1 = [item1 attributeStringValueForName:@"order"];
+	NSString *orderStr2 = [item2 attributeStringValueForName:@"order"];
+	
+	NSUInteger order1;
+	BOOL parse1 = [NSNumber xmpp_parseString:orderStr1 intoNSUInteger:&order1];
+	
+	NSUInteger order2;
+	BOOL parse2 = [NSNumber xmpp_parseString:orderStr2 intoNSUInteger:&order2];
+	
+	if (parse1)
+	{
+		if (parse2)
+		{
+			// item1 = valid
+			// item2 = valid
+			
+			if (order1 < order2)
+				return NSOrderedAscending;
+			if (order1 > order2)
+				return NSOrderedDescending;
+			
+			return NSOrderedSame;
+		}
+		else
+		{
+			// item1 = valid
+			// item2 = invalid
+			
+			return NSOrderedAscending;
+		}
+	}
+	else if (parse2)
+	{
+		// item1 = invalid
+		// item2 = valid
+		
+		return NSOrderedDescending;
+	}
+	else
+	{
+		// item1 = invalid
+		// item2 = invalid
+		
+		return NSOrderedSame;
+	}
+}
+
+- (void)processQueryResponse:(XMPPIQ *)iq withInfo:(XMPPPrivacyQueryInfo *)queryInfo
+{
+	if (queryInfo.type == FetchList)
+	{
+		// Privacy List Names Query Response:
+		// 
+		// <iq type='result' id='getlist1'>
+		//   <query xmlns='jabber:iq:privacy'>
+		//     <active name='private'/>
+		//     <default name='public'/>
+		//     <list name='public'/>
+		//     <list name='private'/>
+		//     <list name='special'/>
+		//   </query>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:privacy"];
+			if (query == nil) return;
+			
+			NSXMLElement *active = [query elementForName:@"active"];
+			activeListName = [[active attributeStringValueForName:@"name"] copy];
+			
+			NSXMLElement *dfault = [query elementForName:@"default"];
+			defaultListName = [[dfault attributeStringValueForName:@"name"] copy];
+			
+			NSArray *listNames = [query elementsForName:@"list"];
+			for (NSXMLElement *listName in listNames)
+			{
+				NSString *name = [listName attributeStringValueForName:@"name"];
+				if (name)
+				{
+					id value = privacyDict[name];
+					if (value == nil)
+					{
+						privacyDict[name] = [NSNull null];
+					}
+				}
+			}
+			
+			[multicastDelegate xmppPrivacy:self didReceiveListNames:[self listNames]];
+		}
+		else
+		{
+			[multicastDelegate xmppPrivacy:self didNotReceiveListNamesDueToError:iq];
+		}
+	}
+	else if (queryInfo.type == FetchRules)
+	{
+		// Privacy List Rules Query Response (success):
+		// 
+		// <iq type='result' id='getlist2'>
+		//   <query xmlns='jabber:iq:privacy'>
+		//     <list name='public'>
+		//       <item type='jid' value='tybalt@example.com' action='deny' order='1'/>
+		//       <item action='allow' order='2'/>
+		//     </list>
+		//   </query>
+		// </iq>
+		// 
+		// 
+		// Privacy List Rules Query Response (error):
+		// 
+		// <iq type='error' id='getlist5'>
+		//   <query xmlns='jabber:iq:privacy'>
+		//     <list name='The Empty Set'/>
+		//   </query>
+		//   <error type='cancel'>
+		//     <item-not-found xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:privacy"];
+			if (query == nil) return;
+			
+			NSXMLElement *list = [query elementForName:@"list"];
+			if (list == nil) return;
+			
+			NSArray *items = [[list elementsForName:@"item"] sortedArrayUsingFunction:sortItems context:NULL];
+			
+			if (items == nil)
+			{
+				items = [NSArray array];
+			}
+			
+			privacyDict[queryInfo.privacyListName] = items;
+			
+			[multicastDelegate xmppPrivacy:self didReceiveListWithName:queryInfo.privacyListName items:items];
+		}
+		else
+		{
+			[multicastDelegate xmppPrivacy:self didNotReceiveListWithName:queryInfo.privacyListName error:iq];
+		}
+	}
+	else if (queryInfo.type == EditList)
+	{
+		// Privacy List Add/Edit/Remove Response (success):
+		// 
+		// <iq type='result' id='abc123' to='romeo@example.net/orchard'/>
+		// 
+		// Note: The result iq does NOT have a query child.
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			NSArray *items = [[queryInfo privacyListItems] sortedArrayUsingFunction:sortItems context:NULL];
+			
+			if (items == nil)
+			{
+				items = [NSArray array];
+			}
+			
+			privacyDict[queryInfo.privacyListName] = items;
+			
+			[multicastDelegate xmppPrivacy:self didSetListWithName:queryInfo.privacyListName];
+		}
+		else
+		{
+			[multicastDelegate xmppPrivacy:self didNotSetListWithName:queryInfo.privacyListName error:iq];
+		}
+	}
+	else if (queryInfo.type == SetActiveList)
+	{
+		// Change of active list (success):
+		// 
+		// <iq type='result' id='active1' to='romeo@example.net/orchard'/>
+		// 
+		// 
+		// Change of active list (error):
+		// 
+		// <iq to='romeo@example.net/orchard' type='error' id='active2'>
+		//   <query xmlns='jabber:iq:privacy'>
+		//     <active name='Invalid List Name'/>
+		//   </query>
+		//   <error type='cancel'>
+		//     <item-not-found xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		// 
+		// 
+		// Note: The result iq does NOT have a query child.
+		// Note: The success could also mean we declined the use of an active list.
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			activeListName = [[queryInfo privacyListName] copy];
+			
+			[multicastDelegate xmppPrivacy:self didSetActiveListName:queryInfo.privacyListName];
+		}
+		else
+		{
+			[multicastDelegate xmppPrivacy:self didNotSetActiveListName:queryInfo.privacyListName error:iq];
+		}
+	}
+	else if (queryInfo.type == SetDefaultList)
+	{
+		// Change of default list (success):
+		// 
+		// <iq type='result' id='default1' to='romeo@example.net/orchard'/>
+		// 
+		// 
+		// Change of default list (error):
+		// 
+		// <iq to='romeo@example.net/orchard' type='error' id='default1'>
+		//   <query xmlns='jabber:iq:privacy'>
+		//     <default name='special'/>
+		//   </query>
+		//   <error type='cancel'>
+		//     <conflict xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		// 
+		// 
+		// Note: The result iq does NOT have a query child.
+		// Note: The success could also mean we declined the use of a default list.
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			defaultListName = [[queryInfo privacyListName] copy];
+			
+			[multicastDelegate xmppPrivacy:self didSetDefaultListName:queryInfo.privacyListName];
+		}
+		else
+		{
+			[multicastDelegate xmppPrivacy:self didNotSetDefaultListName:queryInfo.privacyListName error:iq];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	if (self.autoRetrievePrivacyListNames)
+	{
+		[self retrieveListNames];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"set"])
+	{
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:@"jabber:iq:privacy"];
+		if (query)
+		{
+			// Privacy List Push:
+			// 
+			// <iq type='set' id='push1'>
+			//   <query xmlns='jabber:iq:privacy'>
+			//     <list name='public'/>
+			//   </query>
+			// </iq>
+			// 
+			// 
+			// Push response:
+			// 
+			// <iq type='result' id='push1'/>
+			
+			NSXMLElement *list = [query elementForName:@"list"];
+			
+			NSString *listName = [list attributeStringValueForName:@"name"];
+			if (listName == nil)
+			{
+				return NO;
+			}
+			
+			[multicastDelegate xmppPrivacy:self didReceivePushWithListName:listName];
+			
+			XMPPIQ *iqResponse = [XMPPIQ iqWithType:@"result" to:[iq from] elementID:[iq elementID]];
+			[xmppStream sendElement:iqResponse];
+			
+			if (self.autoRetrievePrivacyListItems)
+			{
+				[self retrieveListWithName:listName];
+			}
+			
+			return YES;
+		}
+	}
+	else
+	{
+		// This may be a response to a query we sent
+		
+		XMPPPrivacyQueryInfo *queryInfo = pendingQueries[[iq elementID]];
+		if (queryInfo)
+		{
+			[self processQueryResponse:iq withInfo:queryInfo];
+			
+			if (queryInfo.type == FetchList && self.autoRetrievePrivacyListItems)
+			{
+				for (NSString *privacyListName in privacyDict)
+				{
+					id privacyListItems = privacyDict[privacyListName];
+					
+					if (privacyListItems == [NSNull null])
+					{
+						[self retrieveListWithName:privacyListName];
+					}
+				}
+			}
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+-(void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	// If there are any pending queries,
+	// they just failed due to the disconnection.
+	
+	for (NSString *uuid in pendingQueries)
+	{
+		XMPPPrivacyQueryInfo *queryInfo = privacyDict[uuid];
+		
+		[self processQuery:queryInfo withFailureCode:XMPPPrivacyDisconnect];
+	}
+	
+	// Clear the list of pending queries
+	
+	[pendingQueries removeAllObjects];
+	
+	// Maybe clear all stored privacy info
+	
+	if (self.autoClearPrivacyListInfo)
+	{
+		[self clearPrivacyListInfo];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Privacy Items
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSXMLElement *)privacyItemWithAction:(NSString *)action order:(NSUInteger)orderValue
+{
+	return [self privacyItemWithType:nil value:nil action:action order:orderValue];
+}
+
++ (NSXMLElement *)privacyItemWithType:(NSString *)type
+                                value:(NSString *)value
+                               action:(NSString *)action
+                                order:(NSUInteger)orderValue
+{
+	NSString *order = [[NSString alloc] initWithFormat:@"%lu", (unsigned long)orderValue];
+	
+	// <item type='[jid|group|subscription]'
+	//      value='bar'
+	//     action='[allow|deny]'
+	//      order='unsignedInt'>
+	//   [<iq/>]
+	//   [<message/>]
+	//   [<presence-in/>]
+	//   [<presence-out/>]
+	// </item>
+	
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	
+	if (type)
+		[item addAttributeWithName:@"type"  stringValue:type];
+	
+	if (value)
+		[item addAttributeWithName:@"value" stringValue:value];
+	
+	[item addAttributeWithName:@"action" stringValue:action];
+	[item addAttributeWithName:@"order"  stringValue:order];
+	
+	return item;
+}
+
++ (void)blockIQs:(NSXMLElement *)privacyItem
+{
+	[privacyItem addChild:[NSXMLElement elementWithName:@"iq"]];
+}
+
++ (void)blockMessages:(NSXMLElement *)privacyItem
+{
+	[privacyItem addChild:[NSXMLElement elementWithName:@"message"]];
+}
+
++ (void)blockPresenceIn:(NSXMLElement *)privacyItem
+{
+	[privacyItem addChild:[NSXMLElement elementWithName:@"presence-in"]];
+}
+
++ (void)blockPresenceOut:(NSXMLElement *)privacyItem
+{
+	[privacyItem addChild:[NSXMLElement elementWithName:@"presence-out"]];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPPrivacyQueryInfo
+
+@synthesize type;
+@synthesize privacyListName;
+@synthesize privacyListItems;
+@synthesize timer;
+
+
+- (id)initWithType:(XMPPPrivacyQueryInfoType)aType name:(NSString *)name items:(NSArray *)items
+{
+	if ((self = [super init]))
+	{
+		type = aType;
+		privacyListName = [name copy];
+		privacyListItems = [items copy];
+	}
+	return self;
+}
+
+- (void)cancel
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+- (void)dealloc
+{
+	[self cancel];
+}
+
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type
+{
+	return [self queryInfoWithType:type name:nil items:nil];
+}
+
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type name:(NSString *)name
+{
+	return [self queryInfoWithType:type name:name items:nil];
+}
+
++ (XMPPPrivacyQueryInfo *)queryInfoWithType:(XMPPPrivacyQueryInfoType)type name:(NSString *)name items:(NSArray *)items
+{
+	return [[XMPPPrivacyQueryInfo alloc] initWithType:type name:name items:items];
+}
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/.xccurrentversion b/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/.xccurrentversion
new file mode 100644
index 0000000..723fb60
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/.xccurrentversion
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>_XCCurrentVersionName</key>
+	<string>XMPPRoom.xcdatamodel</string>
+</dict>
+</plist>
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/XMPPRoom.xcdatamodel/contents b/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/XMPPRoom.xcdatamodel/contents
new file mode 100644
index 0000000..aae0819
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoom.xcdatamodeld/XMPPRoom.xcdatamodel/contents
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<model name="" userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="878" systemVersion="11C74" minimumToolsVersion="Automatic" macOSVersion="Automatic" iOSVersion="Automatic">
+    <entity name="XMPPRoomMessageCoreDataStorageObject" representedClassName="XMPPRoomMessageCoreDataStorageObject" syncable="YES">
+        <attribute name="body" optional="YES" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="fromMe" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
+        <attribute name="jid" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="jidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="localTimestamp" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="message" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="messageStr" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="nickname" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="remoteTimestamp" optional="YES" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="roomJID" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="roomJIDStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="streamBareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="type" attributeType="Integer 16" defaultValueString="0" syncable="YES"/>
+    </entity>
+    <entity name="XMPPRoomOccupantCoreDataStorageObject" representedClassName="XMPPRoomOccupantCoreDataStorageObject" syncable="YES">
+        <attribute name="affiliation" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="createdAt" attributeType="Date" defaultDateTimeInterval="0" defaultValueString="0" indexed="YES" syncable="YES"/>
+        <attribute name="jid" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="jidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="nickname" optional="YES" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="presence" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="presenceStr" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="realJID" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="realJIDStr" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="role" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="roomJID" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="roomJIDStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="streamBareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+    </entity>
+    <elements>
+        <element name="XMPPRoomMessageCoreDataStorageObject" positionX="160" positionY="192" width="128" height="240"/>
+        <element name="XMPPRoomOccupantCoreDataStorageObject" positionX="160" positionY="192" width="128" height="240"/>
+    </elements>
+</model>
\ No newline at end of file
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.h b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.h
new file mode 100644
index 0000000..b3195f0
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.h
@@ -0,0 +1,125 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPP.h"
+#import "XMPPRoom.h"
+#import "XMPPRoomMessageCoreDataStorageObject.h"
+#import "XMPPRoomOccupantCoreDataStorageObject.h"
+#import "XMPPCoreDataStorage.h"
+
+
+@interface XMPPRoomCoreDataStorage : XMPPCoreDataStorage <XMPPRoomStorage>
+
+/**
+ * Convenience method to get an instance with the default database name.
+ * 
+ * IMPORTANT:
+ * You are NOT required to use the sharedInstance.
+ * 
+ * If your application makes extensive use of MUC, and you use a sharedInstance of this class,
+ * then all of your MUC rooms share the same database store. You might get better performance if you create
+ * multiple instances of this class instead (using different database filenames), as this way you can have
+ * concurrent writes to multiple databases.
+**/
++ (instancetype)sharedInstance;
+
+
+/* Inherited from XMPPCoreDataStorage
+ * Please see the XMPPCoreDataStorage header file for extensive documentation.
+ 
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName storeOptions:(NSDictionary *)storeOptions;
+- (id)initWithInMemoryStore;
+
+@property (readonly) NSString *databaseFileName;
+ 
+@property (readwrite) NSUInteger saveThreshold;
+
+@property (readonly) NSManagedObjectModel *managedObjectModel;
+@property (readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+ 
+*/
+
+/**
+ * You may choose to extend this class, and/or the message/occupant classes for customized functionality.
+ * These properties allow for such customization.
+ * 
+ * You must set your desired entity names, if different from default, before you begin using the storage class.
+**/
+@property (strong, readwrite) NSString * messageEntityName;
+@property (strong, readwrite) NSString * occupantEntityName;
+
+/**
+ * It is likely you don't want the message history to persist forever.
+ * Doing so would allow the database to grow infinitely large over time.
+ * 
+ * The maxMessageAge property provides a way to specify how old a message can get
+ * before it should get deleted from the database.
+ * 
+ * The deleteInterval specifies how often to sweep for old messages.
+ * Since deleting is an expensive operation (disk io) it is done on a fixed interval.
+ * 
+ * You can optionally disable the maxMessageAge by setting it to zero (or a negative value).
+ * If you disable the maxMessageAge then old messages are not deleted.
+ * 
+ * You can optionally disable the deleteInterval by setting it to zero (or a negative value).
+ * 
+ * The default maxAge is 7 days.
+ * The default deleteInterval is 5 minutes.
+**/
+@property (assign, readwrite) NSTimeInterval maxMessageAge;
+@property (assign, readwrite) NSTimeInterval deleteInterval;
+
+/**
+ * You may optionally prevent old message deletion for particular rooms.
+**/
+- (void)pauseOldMessageDeletionForRoom:(XMPPJID *)roomJID;
+- (void)resumeOldMessageDeletionForRoom:(XMPPJID *)roomJID;
+
+/**
+ * Convenience method to get the message/occupant entity description.
+ * 
+ * @see messageEntityName
+ * @see occupantEntityName
+**/
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc;
+- (NSEntityDescription *)occupantEntity:(NSManagedObjectContext *)moc;
+
+/**
+ * Returns the timestamp of the most recent message stored in the database for the given room.
+ * This may be used when requesting the message history from the server,
+ * to prevent redownloading messages you already have.
+ * 
+ * @param roomJID    - The JID of the room (a bare JID)
+ * 
+ * @param xmppStream - This class can support multiple concurrent xmppStreams.
+ *                     Optionally pass the xmppStream the room applies to.
+ *                     If you're using this claass with a single xmppStream, you can pass nil.
+ *
+ * @param moc        - The managedObjectContext to use when doing the lookups.
+ *                     If non-nil, this should match the thread you're currently using.
+ *                     If nil, the operation is dispatch_sync'd onto the internal queue,
+ *                     and uses the internal managedObjectContext.
+ * 
+ * The moc may optionally be nil strictly because this method does not return a NSManagedObject.
+**/
+- (NSDate *)mostRecentMessageTimestampForRoom:(XMPPJID *)roomJID
+                                       stream:(XMPPStream *)xmppStream
+                                    inContext:(NSManagedObjectContext *)moc;
+
+/**
+ * Returns the occupant for the given full jid.
+ * 
+ * @param jid        - The full jid of the room occupant (including resource).
+ * 
+ * @param xmppStream - This class can support multiple concurrent xmppStreams.
+ *                     Optionally pass the xmppStream the room applies to.
+ *                     If you're using this claass with a single xmppStream, you can pass nil.
+ * 
+ * @param moc        - The managedObjectContext to use when doing the lookups.
+ *                     This must not be nil, and should match the thread you're currently using.
+**/
+- (XMPPRoomOccupantCoreDataStorageObject *)occupantForJID:(XMPPJID *)jid
+                                                   stream:(XMPPStream *)xmppStream
+                                                inContext:(NSManagedObjectContext *)moc;
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.m b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.m
new file mode 100644
index 0000000..b69b379
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomCoreDataStorage.m
@@ -0,0 +1,999 @@
+#import "XMPPRoomCoreDataStorage.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertPrivateQueue() \
+            NSAssert(dispatch_get_specific(storageQueueTag), @"Private method: MUST run on storageQueue");
+
+@interface XMPPRoomCoreDataStorage ()
+{
+	/* Inherited from XMPPCoreDataStorage
+	
+	NSString *databaseFileName;
+	NSUInteger saveThreshold;
+	
+	dispatch_queue_t storageQueue;
+	
+	*/
+	
+	NSString *messageEntityName;
+	NSString *occupantEntityName;
+	
+	NSTimeInterval maxMessageAge;
+	NSTimeInterval deleteInterval;
+	
+	NSMutableSet *pausedMessageDeletion;
+	
+	dispatch_time_t lastDeleteTime;
+	dispatch_source_t deleteTimer;
+}
+
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc;
+- (NSEntityDescription *)occupantEntity:(NSManagedObjectContext *)moc;
+
+- (void)performDelete;
+- (void)destroyDeleteTimer;
+- (void)updateDeleteTimer;
+- (void)createAndStartDeleteTimer;
+
+- (void)clearAllOccupantsFromRoom:(XMPPJID *)roomJID;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomCoreDataStorage
+
+static XMPPRoomCoreDataStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPRoomCoreDataStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+- (void)commonInit
+{
+	XMPPLogTrace();
+	[super commonInit];
+	
+	// This method is invoked by all public init methods of the superclass
+	
+	messageEntityName = NSStringFromClass([XMPPRoomMessageCoreDataStorageObject class]);
+	occupantEntityName = NSStringFromClass([XMPPRoomOccupantCoreDataStorageObject class]);
+	
+	maxMessageAge  = (60 * 60 * 24 * 7); // 7 days
+	deleteInterval = (60 * 5);           // 5 days
+	
+	pausedMessageDeletion = [[NSMutableSet alloc] init];
+}
+
+- (void)dealloc
+{
+	[self destroyDeleteTimer];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)messageEntityName
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = messageEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setMessageEntityName:(NSString *)newMessageEntityName
+{
+	dispatch_block_t block = ^{
+		messageEntityName = newMessageEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSString *)occupantEntityName
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = occupantEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setOccupantEntityName:(NSString *)newOccupantEntityName
+{
+	dispatch_block_t block = ^{
+		occupantEntityName = newOccupantEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSTimeInterval)maxMessageAge
+{
+	__block NSTimeInterval result = 0;
+	
+	dispatch_block_t block = ^{
+		result = maxMessageAge;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setMaxMessageAge:(NSTimeInterval)age
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSTimeInterval oldMaxMessageAge = maxMessageAge;
+		NSTimeInterval newMaxMessageAge = age;
+		
+		maxMessageAge = age;
+		
+		// There are several cases we need to handle here.
+		// 
+		// 1. If the maxAge was previously enabled and it just got disabled,
+		//    then we need to stop the deleteTimer. (And we might as well release it.)
+		// 
+		// 2. If the maxAge was previously disabled and it just got enabled,
+		//    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+		// 
+		// 3. If the maxAge was increased,
+		//    then we don't need to do anything.
+		// 
+		// 4. If the maxAge was decreased,
+		//    then we should do an immediate delete.
+		
+		BOOL shouldDeleteNow = NO;
+		
+		if (oldMaxMessageAge > 0.0)
+		{
+			if (newMaxMessageAge <= 0.0)
+			{
+				// Handles #1
+				[self destroyDeleteTimer];
+			}
+			else if (oldMaxMessageAge > newMaxMessageAge)
+			{
+				// Handles #4
+				shouldDeleteNow = YES;
+			}
+			else
+			{
+				// Handles #3
+				// Nothing to do now
+			}
+		}
+		else if (newMaxMessageAge > 0.0)
+		{
+			// Handles #2
+			shouldDeleteNow = YES;
+		}
+		
+		if (shouldDeleteNow)
+		{
+			[self performDelete];
+			
+			if (deleteTimer)
+				[self updateDeleteTimer];
+			else
+				[self createAndStartDeleteTimer];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSTimeInterval)deleteInterval
+{
+	__block NSTimeInterval result = 0;
+	
+	dispatch_block_t block = ^{
+		result = deleteInterval;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setDeleteInterval:(NSTimeInterval)interval
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		deleteInterval = interval;
+		
+		// There are several cases we need to handle here.
+		// 
+		// 1. If the deleteInterval was previously enabled and it just got disabled,
+		//    then we need to stop the deleteTimer. (And we might as well release it.)
+		// 
+		// 2. If the deleteInterval was previously disabled and it just got enabled,
+		//    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+		// 
+		// 3. If the deleteInterval increased, then we need to reset the timer so that it fires at the later date.
+		// 
+		// 4. If the deleteInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+		//    (Plus we might need to do an immediate delete.)
+		
+		if (deleteInterval > 0.0)
+		{
+			if (deleteTimer == NULL)
+			{
+				// Handles #2
+				// 
+				// Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+				// if a delete is needed the timer will fire immediately.
+				
+				[self createAndStartDeleteTimer];
+			}
+			else
+			{
+				// Handles #3
+				// Handles #4
+				// 
+				// Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+				// if a save is needed the timer will fire immediately.
+				
+				[self updateDeleteTimer];
+			}
+		}
+		else if (deleteTimer)
+		{
+			// Handles #1
+			
+			[self destroyDeleteTimer];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (void)pauseOldMessageDeletionForRoom:(XMPPJID *)roomJID
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[pausedMessageDeletion addObject:[roomJID bareJID]];
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (void)resumeOldMessageDeletionForRoom:(XMPPJID *)roomJID
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[pausedMessageDeletion removeObject:[roomJID bareJID]];
+		[self performDelete];
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Overrides
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didCreateManagedObjectContext
+{
+	XMPPLogTrace();
+	
+	[self clearAllOccupantsFromRoom:nil];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)performDelete
+{
+	if (maxMessageAge <= 0.0) return;
+	
+	NSDate *minLocalTimestamp = [NSDate dateWithTimeIntervalSinceNow:(maxMessageAge * -1.0)];
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	NSPredicate *predicate;
+	if ([pausedMessageDeletion count] > 0)
+	{
+		predicate = [NSPredicate predicateWithFormat:@"localTimestamp <= %@ AND NOT roomJIDStr IN %@",
+		                                                  minLocalTimestamp, pausedMessageDeletion];
+	}
+	else
+	{
+		predicate = [NSPredicate predicateWithFormat:@"localTimestamp <= %@", minLocalTimestamp];
+	}
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:messageEntity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchBatchSize:saveThreshold];
+	
+	NSError *error = nil;
+	NSArray *oldMessages = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (error)
+	{
+		XMPPLogWarn(@"%@: %@ - fetch error: %@", THIS_FILE, THIS_METHOD, error);
+	}
+	
+	NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+	
+	for (XMPPRoomMessageCoreDataStorageObject *oldMessage in oldMessages)
+	{
+		[moc deleteObject:oldMessage];
+		
+		if (++unsavedCount >= saveThreshold)
+		{
+			[self save];
+			unsavedCount = 0;
+		}
+	}
+	
+	lastDeleteTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+}
+
+- (void)destroyDeleteTimer
+{
+	if (deleteTimer)
+	{
+		dispatch_source_cancel(deleteTimer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(deleteTimer);
+		#endif
+		deleteTimer = NULL;
+	}
+}
+
+- (void)updateDeleteTimer
+{
+	if ((deleteTimer != NULL) && (deleteInterval > 0.0) && (maxMessageAge > 0.0))
+	{
+		uint64_t interval = deleteInterval * NSEC_PER_SEC;
+		dispatch_time_t startTime;
+		
+		if (lastDeleteTime > 0)
+			startTime = dispatch_time(lastDeleteTime, interval);
+		else
+			startTime = dispatch_time(DISPATCH_TIME_NOW, interval);
+		
+		dispatch_source_set_timer(deleteTimer, startTime, interval, 1.0);
+	}
+}
+
+- (void)createAndStartDeleteTimer
+{
+	if ((deleteTimer == NULL) && (deleteInterval > 0.0) && (maxMessageAge > 0.0))
+	{
+		deleteTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, storageQueue);
+		
+		dispatch_source_set_event_handler(deleteTimer, ^{ @autoreleasepool {
+			
+			[self performDelete];
+			
+		}});
+		
+		[self updateDeleteTimer];
+		
+		if(deleteTimer != NULL)
+		{
+			dispatch_resume(deleteTimer);
+		}
+	}
+}
+
+- (void)clearAllOccupantsFromRoom:(XMPPJID *)roomJID
+{
+	XMPPLogTrace();
+	AssertPrivateQueue();
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *entity = [self occupantEntity:moc];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setFetchBatchSize:saveThreshold];
+	
+	if (roomJID)
+	{
+		NSPredicate *predicate;
+		predicate = [NSPredicate predicateWithFormat:@"roomJIDStr == %@", [roomJID bare]];
+		
+		[fetchRequest setPredicate:predicate];
+	}
+	
+	NSArray *allOccupants = [moc executeFetchRequest:fetchRequest error:nil];
+	
+	NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+	
+	for (XMPPRoomOccupantCoreDataStorageObject *occupant in allOccupants)
+	{
+		[moc deleteObject:occupant];
+		
+		if (++unsavedCount >= saveThreshold)
+		{
+			[self save];
+			unsavedCount = 0;
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Protected API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Optional override hook.
+**/
+- (BOOL)existsMessage:(XMPPMessage *)message forRoom:(XMPPRoom *)room stream:(XMPPStream *)xmppStream
+{
+	NSDate *remoteTimestamp = [message delayedDeliveryDate];
+	
+	if (remoteTimestamp == nil)
+	{
+		// When the xmpp server sends us a room message, it will always timestamp delayed messages.
+		// For example, when retrieving the discussion history, all messages will include the original timestamp.
+		// If a message doesn't include such timestamp, then we know we're getting it in "real time".
+		
+		return NO;
+	}
+	
+	// Does this message already exist in the database?
+	// How can we tell if two XMPPRoomMessages are the same?
+	// 
+	// 1. Same streamBareJidStr
+	// 2. Same jid
+	// 3. Same text
+	// 4. Approximately the same timestamps
+	// 
+	// This is actually a rather difficult question.
+	// What if the same user sends the exact same message multiple times?
+	// 
+	// If we first received the message while already in the room, it won't contain a remoteTimestamp.
+	// Returning to the room later and downloading the discussion history will return the same message,
+	// this time with a remote timestamp.
+	// 
+	// So if the message doesn't have a remoteTimestamp,
+	// but it's localTimestamp is approximately the same as the remoteTimestamp,
+	// then this is enough evidence to consider the messages the same.
+	// 
+	// Note: Predicate order matters. Most unique key should be first, least unique should be last.
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+	
+	XMPPJID *messageJID = [message from];
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	
+	NSDate *minLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval:-60];
+	NSDate *maxLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval: 60];
+	
+	NSString *predicateFormat = @"    body == %@ "
+	                            @"AND jidStr == %@ "
+	                            @"AND streamBareJidStr == %@ "
+	                            @"AND "
+	                            @"("
+	                            @"     (remoteTimestamp == %@) "
+	                            @"  OR (remoteTimestamp == NIL && localTimestamp BETWEEN {%@, %@})"
+	                            @")";
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:predicateFormat,
+	                             messageBody, messageJID, streamBareJidStr,
+	                             remoteTimestamp, minLocalTimestamp, maxLocalTimestamp];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:messageEntity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchLimit:1];
+		
+	NSError *error = nil;
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (error)
+	{
+		XMPPLogError(@"%@: %@ - Fetch error: %@", THIS_FILE, THIS_METHOD, error);
+	}
+	
+	return ([results count] > 0);
+}
+
+/**
+ * Optional override hook for general extensions.
+ * 
+ * @see insertMessage:outgoing:forRoom:stream:
+**/
+- (void)didInsertMessage:(XMPPRoomMessageCoreDataStorageObject *)message
+{
+	// Override me if you're extending the XMPPRoomMessageCoreDataStorageObject class to add additional properties.
+	// You can update your additional properties here.
+	// 
+	// At this point the standard properties have already been set.
+	// So you can, for example, access the XMPPMessage via message.message.
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do specific custom work when inserting a message in a room.
+ * 
+ * @see didInsertMessage:
+**/
+- (void)insertMessage:(XMPPMessage *)message
+             outgoing:(BOOL)isOutgoing
+              forRoom:(XMPPRoom *)room
+               stream:(XMPPStream *)xmppStream
+{
+	// Extract needed information
+	
+	XMPPJID *roomJID = room.roomJID;
+	XMPPJID *messageJID = isOutgoing ? room.myRoomJID : [message from];
+	
+	NSDate *localTimestamp;
+	NSDate *remoteTimestamp;
+	
+	if (isOutgoing)
+	{
+		localTimestamp = [[NSDate alloc] init];
+		remoteTimestamp = nil;
+	}
+	else
+	{
+		remoteTimestamp = [message delayedDeliveryDate];
+		if (remoteTimestamp) {
+			localTimestamp = remoteTimestamp;
+		}
+		else {
+			localTimestamp = [[NSDate alloc] init];
+		}
+	}
+	
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+	
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	// Add to database
+	
+	XMPPRoomMessageCoreDataStorageObject *roomMessage = (XMPPRoomMessageCoreDataStorageObject *)
+	    [[NSManagedObject alloc] initWithEntity:messageEntity insertIntoManagedObjectContext:nil];
+	
+	roomMessage.message = message;
+	roomMessage.roomJID = roomJID;
+	roomMessage.jid = messageJID;
+	roomMessage.nickname = [messageJID resource];
+	roomMessage.body = messageBody;
+	roomMessage.localTimestamp = localTimestamp;
+	roomMessage.remoteTimestamp = remoteTimestamp;
+	roomMessage.isFromMe = isOutgoing;
+	roomMessage.streamBareJidStr = streamBareJidStr;
+	
+	[moc insertObject:roomMessage];      // Hook if subclassing XMPPRoomMessageCoreDataStorageObject (awakeFromInsert)
+	[self didInsertMessage:roomMessage]; // Hook if subclassing XMPPRoomCoreDataStorage
+}
+
+/**
+ * Optional override hook for general extensions.
+ * 
+ * @see insertOccupantWithPresence:room:stream:
+**/
+- (void)didInsertOccupant:(XMPPRoomOccupantCoreDataStorageObject *)occupant
+{
+	// Override me if you're extending the XMPPRoomOccupantCoreDataStorageObject class to add additional properties.
+	// You can update your additional properties here.
+	// 
+	// At this point the standard XMPPRoomOccupantCDSO properties have already been set.
+	// So you can, for example, access the XMPPPresence via occupant.presence.
+}
+
+/**
+ * Optional override hook for general extensions.
+ * 
+ * @see updateOccupant:withPresence:room:stream:
+**/
+- (void)didUpdateOccupant:(XMPPRoomOccupantCoreDataStorageObject *)occupant
+{
+	// Override me if you're extending the XMPPRoomOccupantCoreDataStorageObject class to add additional properties.
+	// You can update your additional properties here.
+	// 
+	// At this point the standard XMPPRoomOccupantCDSO properties have already been updated.
+	// So you can, for example, access the XMPPPresence via occupant.presence.
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do specific custom work when inserting an occupant in a room.
+ * 
+ * @see didInsertOccupant:
+**/ 
+- (void)insertOccupantWithPresence:(XMPPPresence *)presence
+                              room:(XMPPRoom *)room
+                            stream:(XMPPStream *)xmppStream
+{
+	// Extract needed information
+	
+	XMPPJID *roomJID = room.roomJID;
+	XMPPJID *presenceJID = [presence from];
+	
+	NSString *role = nil;
+	NSString *affiliation = nil;
+	XMPPJID *realJID = nil;
+	
+	NSXMLElement *x = [presence elementForName:@"x" xmlns:@"http://jabber.org/protocol/muc#user"];
+	NSXMLElement *item = [x elementForName:@"item"];
+	if (item)
+	{
+		role = [[item attributeStringValueForName:@"role"] lowercaseString];
+		affiliation = [[item attributeStringValueForName:@"affiliation"] lowercaseString];
+		
+		NSString *realJIDStr = [item attributeStringValueForName:@"jid"];
+		if (realJIDStr)
+		{
+			realJID = [XMPPJID jidWithString:realJIDStr];
+		}
+	}
+	
+	// Add to database
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+	
+	NSEntityDescription *occupantEntity = [self occupantEntity:moc];
+	
+	XMPPRoomOccupantCoreDataStorageObject *occupant = (XMPPRoomOccupantCoreDataStorageObject *)
+	    [[NSManagedObject alloc] initWithEntity:occupantEntity insertIntoManagedObjectContext:nil];
+	
+	occupant.presence = presence;
+	occupant.roomJID = roomJID;
+	occupant.jid = presenceJID;
+	occupant.nickname = [presenceJID resource];
+	occupant.role = role;
+	occupant.affiliation = affiliation;
+	occupant.realJID = realJID;
+	occupant.createdAt = [NSDate date];
+	occupant.streamBareJidStr = streamBareJidStr;
+	
+	[moc insertObject:occupant];       // Hook if subclassing XMPPRoomOccupantCoreDataStorageObject (awakeFromInsert)
+	[self didInsertOccupant:occupant]; // Hook if subclassing XMPPRoomCoreDataStorage
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do specific custom work when updating an occupant in a room.
+ * 
+ * @see didUpdateOccupant:
+**/
+- (void)updateOccupant:(XMPPRoomOccupantCoreDataStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream
+{
+	// Extract needed information
+	
+	NSString *role = nil;
+	NSString *affiliation = nil;
+	XMPPJID *realJID = nil;
+	
+	NSXMLElement *x = [presence elementForName:@"x" xmlns:@"http://jabber.org/protocol/muc#user"];
+	NSXMLElement *item = [x elementForName:@"item"];
+	if (item)
+	{
+		role = [[item attributeStringValueForName:@"role"] lowercaseString];
+		affiliation = [[item attributeStringValueForName:@"affiliation"] lowercaseString];
+		
+		NSString *realJIDStr = [item attributeStringValueForName:@"jid"];
+		if (realJIDStr)
+		{
+			realJID = [XMPPJID jidWithString:realJIDStr];
+		}
+	}
+	
+	// Update database
+	
+	occupant.presence = presence;
+	occupant.role = role;
+	occupant.affiliation = affiliation;
+	occupant.realJID = realJID;
+	
+	[self didUpdateOccupant:occupant]; // Hook if subclassing XMPPRoomCoreDataStorage
+}
+
+/**
+ * Optional override hook.
+**/
+- (void)removeOccupant:(XMPPRoomOccupantCoreDataStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream
+{
+	// Delete from database
+	
+	[[occupant managedObjectContext] deleteObject:occupant];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc
+{
+	// This method should be thread-safe.
+	// So be sure to access the entity name through the property accessor.
+	
+	return [NSEntityDescription entityForName:[self messageEntityName] inManagedObjectContext:moc];
+}
+
+- (NSEntityDescription *)occupantEntity:(NSManagedObjectContext *)moc
+{
+	// This method should be thread-safe.
+	// So be sure to access the entity name through the property accessor.
+	
+	return [NSEntityDescription entityForName:[self occupantEntityName] inManagedObjectContext:moc];
+}
+
+- (NSDate *)mostRecentMessageTimestampForRoom:(XMPPJID *)roomJID
+                                       stream:(XMPPStream *)xmppStream
+                                    inContext:(NSManagedObjectContext *)inMoc
+{
+	if (roomJID == nil) return nil;
+	
+	// It's possible to use our internal managedObjectContext only because we're not returning a NSManagedObject.
+	
+	__block NSDate *result = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSManagedObjectContext *moc = inMoc ? : [self managedObjectContext];
+		
+		NSEntityDescription *entity = [self messageEntity:moc];
+		
+		NSPredicate *predicate;
+		if (xmppStream)
+		{
+			NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+			
+			NSString *predicateFormat = @"roomJIDStr == %@ AND streamBareJidStr == %@";
+			predicate = [NSPredicate predicateWithFormat:predicateFormat, roomJID.bare, streamBareJidStr];
+		}
+		else
+		{
+			predicate = [NSPredicate predicateWithFormat:@"roomJIDStr == %@", roomJID.bare];
+		}
+		
+		NSSortDescriptor *sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"localTimestamp" ascending:NO];
+		NSArray *sortDescriptors = @[sortDescriptor];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setPredicate:predicate];
+		[fetchRequest setSortDescriptors:sortDescriptors];
+		[fetchRequest setFetchLimit:1];
+		
+		NSError *error = nil;
+		XMPPRoomMessageCoreDataStorageObject *message = [[moc executeFetchRequest:fetchRequest error:&error] lastObject];
+
+		if (error)
+		{
+			XMPPLogError(@"%@: %@ - fetchRequest error: %@", THIS_FILE, THIS_METHOD, error);
+		}
+		else
+		{
+			result = [message.localTimestamp copy];
+		}
+	}};
+	
+	if (inMoc == nil)
+		dispatch_sync(storageQueue, block);
+	else
+		block();
+	
+	return result;
+}
+
+- (XMPPRoomOccupantCoreDataStorageObject *)occupantForJID:(XMPPJID *)jid
+                                                   stream:(XMPPStream *)xmppStream
+                                                inContext:(NSManagedObjectContext *)moc
+{
+	if (jid == nil) return nil;
+	if (moc == nil) return nil;
+	
+	NSEntityDescription *entity = [self occupantEntity:moc];
+	
+	NSPredicate *predicate;
+	if (xmppStream)
+	{
+		NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+		
+		NSString *predicateFormat = @"jidStr == %@ AND streamBareJidStr == %@";
+		predicate = [NSPredicate predicateWithFormat:predicateFormat, jid, streamBareJidStr];
+	}
+	else
+	{
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@", jid];
+	}
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchBatchSize:1];
+	
+	NSError *error = nil;
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (error)
+	{
+		XMPPLogWarn(@"%@: %@ - fetch error: %@", THIS_FILE, THIS_METHOD, error);
+	}
+	
+	return (XMPPRoomOccupantCoreDataStorageObject *)[results lastObject];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPRoomStorage Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handlePresence:(XMPPPresence *)presence room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	
+	XMPPJID *presenceJID = [presence from];
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		
+		// Is occupant already in database?
+		
+		XMPPRoomOccupantCoreDataStorageObject *occupant = 
+		    [self occupantForJID:presenceJID stream:xmppStream inContext:moc];
+		
+		// Is occupant available or unavailable?
+		
+		if ([[presence type] isEqualToString:@"unavailable"])
+		{
+			// Remove occupant record from database
+			
+			if (occupant)
+			{
+				[self removeOccupant:occupant withPresence:presence room:room stream:xmppStream];
+			}
+		}
+		else
+		{
+			// Insert or update occupant in database
+			
+			if (occupant)
+			{
+				[self updateOccupant:occupant withPresence:presence room:room stream:xmppStream];
+			}
+			else
+			{
+				[self insertOccupantWithPresence:presence room:room stream:xmppStream];
+			}
+		}
+	}];
+}
+
+- (void)handleOutgoingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		[self insertMessage:message outgoing:YES forRoom:room stream:xmppStream];
+	}];
+}
+
+- (void)handleIncomingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPJID *myRoomJID = room.myRoomJID;
+	XMPPJID *messageJID = [message from];
+	
+	if ([myRoomJID isEqualToJID:messageJID])
+	{
+		if (![message wasDelayed])
+		{
+			// Ignore - we already stored message in handleOutgoingMessage:room:
+			return;
+		}
+	}
+	
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		if ([self existsMessage:message forRoom:room stream:xmppStream])
+		{
+			XMPPLogVerbose(@"%@: %@ - Duplicate message", THIS_FILE, THIS_METHOD);
+		}
+		else
+		{
+			[self insertMessage:message outgoing:NO forRoom:room stream:xmppStream];
+		}
+	}];
+}
+
+- (void)handleDidLeaveRoom:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPJID *roomJID = room.roomJID;
+	
+	[self scheduleBlock:^{
+		
+		[self clearAllOccupantsFromRoom:roomJID];
+	}];
+}
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.h b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.h
new file mode 100644
index 0000000..6988532
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.h
@@ -0,0 +1,47 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPP.h"
+#import "XMPPRoom.h"
+
+
+@interface XMPPRoomMessageCoreDataStorageObject : NSManagedObject <XMPPRoomMessage>
+
+/**
+ * The properties below are documented in the XMPPRoomMessage protocol.
+**/
+
+@property (nonatomic, retain) XMPPMessage * message;  // Transient (proper type, not on disk)
+@property (nonatomic, retain) NSString * messageStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) XMPPJID * roomJID;      // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * roomJIDStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, retain) XMPPJID * jid;          // Transient (proper type, not on disk)
+@property (nonatomic, retain) NSString * jidStr;      // Shadow (binary data, written to disk)
+
+@property (nonatomic, retain) NSString * nickname;
+@property (nonatomic, retain) NSString * body;
+
+@property (nonatomic, retain) NSDate * localTimestamp;
+@property (nonatomic, strong) NSDate * remoteTimestamp;
+
+@property (nonatomic, assign) BOOL isFromMe;
+@property (nonatomic, strong) NSNumber * fromMe;
+
+/**
+ * The 'type' property can be used to inject event messages.
+ * For example: "JohnDoe entered the room".
+ * 
+ * You can define your own types to suit your needs.
+ * All normal messages will have a type of zero.
+**/
+@property (nonatomic, strong) NSNumber * type;
+
+/**
+ * If a single instance of XMPPRoomCoreDataStorage is shared between multiple xmppStream's,
+ * this may be needed to distinguish between the streams.
+**/
+@property (nonatomic, strong) NSString *streamBareJidStr;
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.m b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.m
new file mode 100644
index 0000000..2d43565
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomMessageCoreDataStorageObject.m
@@ -0,0 +1,205 @@
+#import "XMPPRoomMessageCoreDataStorageObject.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@interface XMPPRoomMessageCoreDataStorageObject ()
+
+@property(nonatomic,strong) XMPPJID * primitiveRoomJID;
+@property(nonatomic,strong) NSString * primitiveRoomJIDStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveJid;
+@property(nonatomic,strong) NSString * primitiveJidStr;
+
+@property(nonatomic,strong) XMPPMessage * primitiveMessage;
+@property(nonatomic,strong) NSString * primitiveMessageStr;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomMessageCoreDataStorageObject
+
+@dynamic message;
+@dynamic messageStr;
+
+@dynamic roomJID, primitiveRoomJID;
+@dynamic roomJIDStr, primitiveRoomJIDStr;
+
+@dynamic jid, primitiveJid;
+@dynamic jidStr, primitiveJidStr;
+
+@dynamic nickname;
+@dynamic body;
+@dynamic localTimestamp;
+@dynamic remoteTimestamp;
+@dynamic isFromMe;
+@dynamic fromMe;
+
+@dynamic type;
+
+@dynamic streamBareJidStr;
+
+@dynamic primitiveMessage;
+@dynamic primitiveMessageStr;
+
+#pragma mark Transient roomJID
+
+- (XMPPJID *)roomJID
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"roomJID"];
+	XMPPJID *tmp = self.primitiveRoomJID;
+	[self didAccessValueForKey:@"roomJID"];
+	
+	if (tmp == nil)
+	{
+		NSString *roomJIDStr = self.roomJIDStr;
+		if (roomJIDStr)
+		{
+			tmp = [XMPPJID jidWithString:roomJIDStr];
+			self.primitiveRoomJID = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setRoomJID:(XMPPJID *)roomJID
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = roomJID;
+	self.primitiveRoomJIDStr = [roomJID full];
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+- (void)setRoomJIDStr:(NSString *)roomJIDStr
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = [XMPPJID jidWithString:roomJIDStr];
+	self.primitiveRoomJIDStr = roomJIDStr;
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+#pragma mark Transient jid
+
+- (XMPPJID *)jid
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"jid"];
+	XMPPJID *tmp = self.primitiveJid;
+	[self didAccessValueForKey:@"jid"];
+	
+	if (tmp == nil)
+	{
+		NSString *jidStr = self.jidStr;
+		if (jidStr)
+		{
+			tmp = [XMPPJID jidWithString:jidStr];
+			self.primitiveJid = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setJid:(XMPPJID *)jid
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = jid;
+	self.primitiveJidStr = [jid full];
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+- (void)setJidStr:(NSString *)jidStr
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = [XMPPJID jidWithString:jidStr];
+	self.primitiveJidStr = jidStr;
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+#pragma mark Scalar
+
+- (BOOL)isFromMe
+{
+	return [[self fromMe] boolValue];
+}
+
+- (void)setIsFromMe:(BOOL)value
+{
+	self.fromMe = @(value);
+}
+
+#pragma mark - Message
+- (XMPPMessage *)message
+{
+	// Create and cache on demand
+	[self willAccessValueForKey:@"message"];
+    
+	XMPPMessage *message = self.primitiveMessage;
+    
+	[self didAccessValueForKey:@"message"];
+    
+	if (message == nil)
+	{
+		NSString *messageStr = self.messageStr;
+        
+		if (messageStr)
+		{
+			NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:messageStr error:nil];
+            
+			message = [XMPPMessage messageFromElement:element];
+			self.primitiveMessage = message;
+		}
+    }
+    
+    return message;
+}
+
+- (void)setMessage:(XMPPMessage *)message
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	self.primitiveMessage = message;
+	self.primitiveMessageStr = [message compactXMLString];
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+- (void)setMessageStr:(NSString *)messageStr
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	
+	NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:messageStr error:nil];
+    
+	self.primitiveMessage = [XMPPMessage messageFromElement:element];
+	self.primitiveMessageStr = messageStr;
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.h b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.h
new file mode 100644
index 0000000..376995a
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.h
@@ -0,0 +1,39 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPP.h"
+#import "XMPPRoom.h"
+
+
+@interface XMPPRoomOccupantCoreDataStorageObject : NSManagedObject <XMPPRoomOccupant>
+
+/**
+ * The properties below are documented in the XMPPRoomOccupant protocol.
+**/
+
+@property (nonatomic, strong) XMPPPresence * presence; // Transient (proper type, not on disk) 
+@property (nonatomic, strong) NSString * presenceStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) XMPPJID * roomJID;       // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * roomJIDStr;   // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) XMPPJID * jid;           // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * jidStr;       // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) NSString * nickname;
+
+@property (nonatomic, strong) NSString * role;
+@property (nonatomic, strong) NSString * affiliation;
+
+@property (nonatomic, strong) XMPPJID * realJID;       // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * realJIDStr;   // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) NSDate * createdAt;
+
+/**
+ * If a single instance of XMPPRoomCoreDataStorage is shared between multiple xmppStream's,
+ * this may be needed to distinguish between the streams.
+**/
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+@end
diff --git a/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.m b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.m
new file mode 100644
index 0000000..36e111c
--- /dev/null
+++ b/Extensions/XEP-0045/CoreDataStorage/XMPPRoomOccupantCoreDataStorageObject.m
@@ -0,0 +1,234 @@
+#import "XMPPRoomOccupantCoreDataStorageObject.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@interface XMPPRoomOccupantCoreDataStorageObject ()
+
+@property(nonatomic,strong) XMPPPresence * primitivePresence;
+@property(nonatomic,strong) NSString * primitivePresenceStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveRoomJID;
+@property(nonatomic,strong) NSString * primitiveRoomJIDStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveJid;
+@property(nonatomic,strong) NSString * primitiveJidStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveRealJID;
+@property(nonatomic,strong) NSString * primitiveRealJIDStr;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomOccupantCoreDataStorageObject
+
+@dynamic presence, primitivePresence;
+@dynamic presenceStr, primitivePresenceStr;
+@dynamic roomJID, primitiveRoomJID;
+@dynamic roomJIDStr, primitiveRoomJIDStr;
+@dynamic jid, primitiveJid;
+@dynamic jidStr, primitiveJidStr;
+@dynamic nickname;
+@dynamic role;
+@dynamic affiliation;
+@dynamic realJID, primitiveRealJID;
+@dynamic realJIDStr, primitiveRealJIDStr;
+@dynamic createdAt;
+@dynamic streamBareJidStr;
+
+#pragma mark Transient presence
+
+- (XMPPPresence *)presence
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"presence"];
+	XMPPPresence *presence = self.primitivePresence;
+	[self didAccessValueForKey:@"presence"];
+	
+	if (presence == nil)
+	{
+		NSString *presenceStr = self.presenceStr;
+		if (presenceStr)
+		{
+			NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:presenceStr error:nil];
+			presence = [XMPPPresence presenceFromElement:element];
+			self.primitivePresence = presence;
+		}
+    }
+	
+    return presence;
+}
+
+- (void)setPresence:(XMPPPresence *)newPresence
+{
+	[self willChangeValueForKey:@"presence"];
+	[self willChangeValueForKey:@"presenceStr"];
+	
+	self.primitivePresence = newPresence;
+	self.primitivePresenceStr = [newPresence compactXMLString];
+	
+	[self didChangeValueForKey:@"presence"];
+	[self didChangeValueForKey:@"presenceStr"];
+}
+
+- (void)setPresenceStr:(NSString *)presenceStr
+{
+	[self willChangeValueForKey:@"presence"];
+	[self willChangeValueForKey:@"presenceStr"];
+	
+	NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:presenceStr error:nil];
+	self.primitivePresence = [XMPPPresence presenceFromElement:element];
+	self.primitivePresenceStr = presenceStr;
+	
+	[self didChangeValueForKey:@"presence"];
+	[self didChangeValueForKey:@"presenceStr"];
+}
+
+#pragma mark Transient roomJID
+
+- (XMPPJID *)roomJID
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"roomJID"];
+	XMPPJID *tmp = self.primitiveRoomJID;
+	[self didAccessValueForKey:@"roomJID"];
+	
+	if (tmp == nil)
+	{
+		NSString *roomJIDStr = self.roomJIDStr;
+		if (roomJIDStr)
+		{
+			tmp = [XMPPJID jidWithString:roomJIDStr];
+			self.primitiveRoomJID = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setRoomJID:(XMPPJID *)roomJID
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = roomJID;
+	self.primitiveRoomJIDStr = [roomJID full];
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+- (void)setRoomJIDStr:(NSString *)roomJIDStr
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = [XMPPJID jidWithString:roomJIDStr];
+	self.primitiveRoomJIDStr = roomJIDStr;
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+#pragma mark Transient jid
+
+- (XMPPJID *)jid
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"jid"];
+	XMPPJID *tmp = self.primitiveJid;
+	[self didAccessValueForKey:@"jid"];
+	
+	if (tmp == nil)
+	{
+		NSString *jidStr = self.jidStr;
+		if (jidStr)
+		{
+			tmp = [XMPPJID jidWithString:jidStr];
+			self.primitiveJid = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setJid:(XMPPJID *)jid
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = jid;
+	self.primitiveJidStr = [jid full];
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+- (void)setJidStr:(NSString *)jidStr
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = [XMPPJID jidWithString:jidStr];
+	self.primitiveJidStr = jidStr;
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+#pragma mark Transient realJID
+
+- (XMPPJID *)realJID
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"realJID"];
+	XMPPJID *tmp = self.primitiveRealJID;
+	[self didAccessValueForKey:@"realJID"];
+	
+	if (tmp == nil)
+	{
+		NSString *realJIDStr = self.realJIDStr;
+		if (realJIDStr)
+		{
+			tmp = [XMPPJID jidWithString:realJIDStr];
+			self.primitiveRealJID = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setRealJID:(XMPPJID *)realJID
+{
+	[self willChangeValueForKey:@"realJID"];
+	[self willChangeValueForKey:@"realJIDStr"];
+	
+	self.primitiveRealJID = realJID;
+	self.primitiveRealJIDStr = [realJID full];
+	
+	[self didChangeValueForKey:@"realJID"];
+	[self didChangeValueForKey:@"realJIDStr"];
+}
+
+- (void)setRealJIDStr:(NSString *)realJIDStr
+{
+	[self willChangeValueForKey:@"realJID"];
+	[self willChangeValueForKey:@"realJIDStr"];
+	
+	self.primitiveRealJID = [XMPPJID jidWithString:realJIDStr];
+	self.primitiveRealJIDStr = realJIDStr;
+	
+	[self didChangeValueForKey:@"realJID"];
+	[self didChangeValueForKey:@"realJIDStr"];
+}
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/.xccurrentversion b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/.xccurrentversion
new file mode 100644
index 0000000..373fcc5
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/.xccurrentversion
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>_XCCurrentVersionName</key>
+	<string>XMPPRoomHybrid.xcdatamodel</string>
+</dict>
+</plist>
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/XMPPRoomHybrid.xcdatamodel/contents b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/XMPPRoomHybrid.xcdatamodel/contents
new file mode 100644
index 0000000..1687257
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybrid.xcdatamodeld/XMPPRoomHybrid.xcdatamodel/contents
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<model name="" userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="878" systemVersion="11C74" minimumToolsVersion="Automatic" macOSVersion="Automatic" iOSVersion="Automatic">
+    <entity name="XMPPRoomMessageHybridCoreDataStorageObject" representedClassName="XMPPRoomMessageHybridCoreDataStorageObject" syncable="YES">
+        <attribute name="body" optional="YES" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="fromMe" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
+        <attribute name="jid" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="jidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="localTimestamp" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="message" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="messageStr" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="nickname" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="remoteTimestamp" optional="YES" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="roomJID" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="roomJIDStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="streamBareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="type" attributeType="Integer 16" defaultValueString="0" syncable="YES"/>
+    </entity>
+    <elements>
+        <element name="XMPPRoomMessageHybridCoreDataStorageObject" positionX="160" positionY="192" width="128" height="240"/>
+    </elements>
+</model>
\ No newline at end of file
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.h b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.h
new file mode 100644
index 0000000..ea3c272
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.h
@@ -0,0 +1,197 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPP.h"
+#import "XMPPRoom.h"
+#import "XMPPRoomMessageHybridCoreDataStorageObject.h"
+#import "XMPPRoomOccupantHybridMemoryStorageObject.h"
+#import "XMPPCoreDataStorage.h"
+
+/**
+ * This class is an example implementation of the XMPPRoomStorage protocol.
+ * It stores messages in a database using core data, and stores occupants in memory (as they are temporary).
+ * 
+ * You are free to substitute your own storage class.
+**/
+
+@interface XMPPRoomHybridStorage : XMPPCoreDataStorage <XMPPRoomStorage>
+{
+	@protected
+	
+	/* Inherited from XMPPCoreDataStorage
+	 
+	 NSString *databaseFileName;
+	 NSUInteger saveThreshold;
+	 
+	 dispatch_queue_t storageQueue;
+	 
+	*/
+	
+	// The occupantsGlobalDict holds all occupants in a heirarchy.
+	// It is a dictionary of dictionaries of dictionaries.
+	
+	NSMutableDictionary * occupantsGlobalDict; // Key=xmppStream.myJid, Value=occupantsRoomsDict
+//	NSMutableDictionary * occupantsRoomsDict;  // Key=xmppRoomJid, Value=occupantsRoomDict
+//	NSMutableDictionary * occupantsRoomDict;   // Key=occupantJid, Value=XMPPRoomOccupantHybridMemoryStorageObject
+}
+
+/**
+ * Convenience method to get an instance with the default database name.
+ * 
+ * IMPORTANT:
+ * You are NOT required to use the sharedInstance.
+ * 
+ * If your application makes extensive use of MUC, and you use a sharedInstance of this class,
+ * then all of your MUC rooms share the same database store. You might get better performance if you create
+ * multiple instances of this class instead (using different database filenames), as this way you can have
+ * concurrent writes to multiple databases.
+**/
++ (instancetype)sharedInstance;
+
+/* Inherited from XMPPCoreDataStorage
+ * Please see the XMPPCoreDataStorage header file for extensive documentation.
+ 
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName;
+- (id)initWithInMemoryStore;
+
+@property (readonly) NSString *databaseFileName;
+ 
+@property (readwrite) NSUInteger saveThreshold;
+
+@property (readonly) NSManagedObjectModel *managedObjectModel;
+@property (readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+ 
+*/
+
+/**
+ * You may choose to extend this class, and/or the message class for customized functionality.
+ * These properties allow for such customization.
+ * 
+ * You must set your desired entity name, if different from default, before you begin using the storage class.
+**/
+@property (strong, readwrite) NSString * messageEntityName;
+
+/**
+ * You can optionally extend the XMPPRoomOccupantMemoryStorageObject class.
+ * Then just set the class here, and your subclass will automatically get used.
+ * 
+ * You must set your desired class, if different from default, before you begin using the storage class.
+**/
+@property (assign, readwrite) Class occupantClass;
+
+/**
+ * It is likely you don't want the message history to persist forever.
+ * Doing so would allow the database to grow infinitely large over time.
+ * 
+ * The maxMessageAge property provides a way to specify how old a message can get
+ * before it should get deleted from the database.
+ * 
+ * The deleteInterval specifies how often to sweep for old messages.
+ * Since deleting is an expensive operation (disk io) it is done on a fixed interval.
+ * 
+ * You can optionally disable the maxMessageAge by setting it to zero (or a negative value).
+ * If you disable the maxMessageAge then old messages are not deleted.
+ * 
+ * You can optionally disable the deleteInterval by setting it to zero (or a negative value).
+ * 
+ * The default maxAge is 7 days.
+ * The default deleteInterval is 5 minutes.
+**/
+@property (assign, readwrite) NSTimeInterval maxMessageAge;
+@property (assign, readwrite) NSTimeInterval deleteInterval;
+
+/**
+ * You may optionally prevent old message deletion for particular rooms.
+**/
+- (void)pauseOldMessageDeletionForRoom:(XMPPJID *)roomJID;
+- (void)resumeOldMessageDeletionForRoom:(XMPPJID *)roomJID;
+
+/**
+ * Convenience method to get the message entity description.
+ * 
+ * @see messageEntityName
+**/
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc;
+
+/**
+ * Returns the timestamp of the most recent message stored in the database for the given room.
+ * This may be used when requesting the message history from the server,
+ * to prevent redownloading messages you already have.
+ * 
+ * @param roomJID    - The JID of the room (a bare JID)
+ * 
+ * @param xmppStream - This class can support multiple concurrent xmppStreams.
+ *                     Optionally pass the xmppStream the room applies to.
+ *                     If you're using this claass with a single xmppStream, you can pass nil.
+ *
+ * @param moc        - The managedObjectContext to use when doing the lookups.
+ *                     If non-nil, this should match the thread you're currently using.
+ *                     If nil, the operation is dispatch_sync'd onto the internal queue,
+ *                     and uses the internal managedObjectContext.
+ * 
+ * The moc may optionally be nil strictly because this method does not return a NSManagedObject.
+**/
+- (NSDate *)mostRecentMessageTimestampForRoom:(XMPPJID *)roomJID
+                                       stream:(XMPPStream *)xmppStream
+                                    inContext:(NSManagedObjectContext *)moc;
+
+/**
+ * Returns the occupant for the given full jid.
+ * 
+ * @param jid        - The full jid of the room occupant (including resource).
+ *                     E.g. xmppDevelopers@conf.xmpp.org/robbiehanson
+ * 
+ * @param xmppStream - This class can support multiple concurrent xmppStreams.
+ *                     Optionally pass the xmppStream the room applies to.
+ *                     If you're using this claass with a single xmppStream, you can pass nil.
+**/
+- (XMPPRoomOccupantHybridMemoryStorageObject *)occupantForJID:(XMPPJID *)jid stream:(XMPPStream *)xmppStream;
+
+/**
+ * Returns all occupants in the given room.
+ * Each occupant instance will be of kind XMPPRoomOccupantHybridMemoryStorageObject.
+ * 
+ * @param roomJid    - The JID of the room (a bare JID).
+ *                     E.g. xmppDevelopers@conf.xmpp.org
+ * 
+ * @param xmppStream - This class can support multiple concurrent xmppStreams.
+ *                     Optionally pass the xmppStream the room applies to.
+ *                     If you're using this claass with a single xmppStream, you can pass nil.
+**/
+- (NSArray *)occupantsForRoom:(XMPPJID *)roomJid stream:(XMPPStream *)xmppStream;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRoomHybridStorageDelegate <NSObject>
+@optional
+
+// 
+// XMPPRoomHybridStorage automatically uses the delegate(s) of its parent XMPPRoom.
+// 
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidJoin:withPresence: method.
+ * This method provides the delegate with the occupant storage instance.
+**/
+- (void)xmppRoomHybridStorage:(XMPPRoomHybridStorage *)sender
+              occupantDidJoin:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidLeave:withPresence: method.
+ * This method provides the delegate with the occupant storage instance.
+**/
+- (void)xmppRoomHybridStorage:(XMPPRoomHybridStorage *)sender
+             occupantDidLeave:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidUpdate:withPresence: method.
+ * This method provides the delegate with the occupant storage instance.
+**/
+- (void)xmppRoomHybridStorage:(XMPPRoomHybridStorage *)sender
+            occupantDidUpdate:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.m b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.m
new file mode 100644
index 0000000..19c07f2
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorage.m
@@ -0,0 +1,990 @@
+#import "XMPPRoomHybridStorage.h"
+#import "XMPPRoomPrivate.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertPrivateQueue() \
+            NSAssert(dispatch_get_specific(storageQueueTag), @"Private method: MUST run on storageQueue");
+
+
+@interface XMPPRoomHybridStorage ()
+{
+	// Protected variables are listed in the header file.
+	// These are the private variables.
+	
+	NSString *messageEntityName;
+	Class occupantClass;
+	
+	NSTimeInterval maxMessageAge;
+	NSTimeInterval deleteInterval;
+	
+	NSMutableSet *pausedMessageDeletion;
+	
+	dispatch_time_t lastDeleteTime;
+	dispatch_source_t deleteTimer;
+}
+
+- (void)performDelete;
+- (void)destroyDeleteTimer;
+- (void)updateDeleteTimer;
+- (void)createAndStartDeleteTimer;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomHybridStorage
+
+static XMPPRoomHybridStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPRoomHybridStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+- (void)commonInit
+{
+	XMPPLogTrace();
+	[super commonInit];
+	
+	// This method is invoked by all public init methods of the superclass
+	
+	occupantsGlobalDict = [[NSMutableDictionary alloc] init];
+	
+	messageEntityName = NSStringFromClass([XMPPRoomMessageHybridCoreDataStorageObject class]);
+	occupantClass = [XMPPRoomOccupantHybridMemoryStorageObject class];
+	
+	maxMessageAge  = (60 * 60 * 24 * 7); // 7 days
+	deleteInterval = (60 * 5);           // 5 days
+	
+	pausedMessageDeletion = [[NSMutableSet alloc] init];
+	
+	autoRecreateDatabaseFile = YES;
+}
+
+/**
+ * Documentation from the superclass (XMPPCoreDataStorage):
+ * 
+ * Override me, if needed, to provide customized behavior.
+ * 
+ * This method is queried to get the name of the ManagedObjectModel within the app bundle.
+ * It should return the name of the appropriate file (*.xdatamodel / *.mom / *.momd) sans file extension.
+ * 
+ * The default implementation returns the name of the subclass, stripping any suffix of "CoreDataStorage".
+ * E.g., if your subclass was named "XMPPExtensionCoreDataStorage", then this method would return "XMPPExtension".
+ * 
+ * Note that a file extension should NOT be included.
+**/
+- (NSString *)managedObjectModelName
+{
+	// Optional hook
+	// 
+	// The default implementation would return "XMPPPRoomHybridStorage".
+	// We prefer a slightly shorter version.
+	
+	return @"XMPPRoomHybrid";
+}
+
+- (void)dealloc
+{
+	[self destroyDeleteTimer];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize messageEntityName;
+@synthesize occupantClass;
+
+- (NSTimeInterval)maxMessageAge
+{
+	__block NSTimeInterval result = 0;
+	
+	dispatch_block_t block = ^{
+		result = maxMessageAge;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setMaxMessageAge:(NSTimeInterval)age
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSTimeInterval oldMaxMessageAge = maxMessageAge;
+		NSTimeInterval newMaxMessageAge = age;
+		
+		maxMessageAge = age;
+		
+		// There are several cases we need to handle here.
+		// 
+		// 1. If the maxAge was previously enabled and it just got disabled,
+		//    then we need to stop the deleteTimer. (And we might as well release it.)
+		// 
+		// 2. If the maxAge was previously disabled and it just got enabled,
+		//    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+		// 
+		// 3. If the maxAge was increased,
+		//    then we don't need to do anything.
+		// 
+		// 4. If the maxAge was decreased,
+		//    then we should do an immediate delete.
+		
+		BOOL shouldDeleteNow = NO;
+		
+		if (oldMaxMessageAge > 0.0)
+		{
+			if (newMaxMessageAge <= 0.0)
+			{
+				// Handles #1
+				[self destroyDeleteTimer];
+			}
+			else if (oldMaxMessageAge > newMaxMessageAge)
+			{
+				// Handles #4
+				shouldDeleteNow = YES;
+			}
+			else
+			{
+				// Handles #3
+				// Nothing to do now
+			}
+		}
+		else if (newMaxMessageAge > 0.0)
+		{
+			// Handles #2
+			shouldDeleteNow = YES;
+		}
+		
+		if (shouldDeleteNow)
+		{
+			[self performDelete];
+			
+			if (deleteTimer)
+				[self updateDeleteTimer];
+			else
+				[self createAndStartDeleteTimer];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSTimeInterval)deleteInterval
+{
+	__block NSTimeInterval result = 0;
+	
+	dispatch_block_t block = ^{
+		result = deleteInterval;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setDeleteInterval:(NSTimeInterval)interval
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		deleteInterval = interval;
+		
+		// There are several cases we need to handle here.
+		// 
+		// 1. If the deleteInterval was previously enabled and it just got disabled,
+		//    then we need to stop the deleteTimer. (And we might as well release it.)
+		// 
+		// 2. If the deleteInterval was previously disabled and it just got enabled,
+		//    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+		// 
+		// 3. If the deleteInterval increased, then we need to reset the timer so that it fires at the later date.
+		// 
+		// 4. If the deleteInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+		//    (Plus we might need to do an immediate delete.)
+		
+		if (deleteInterval > 0.0)
+		{
+			if (deleteTimer == NULL)
+			{
+				// Handles #2
+				// 
+				// Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+				// if a delete is needed the timer will fire immediately.
+				
+				[self createAndStartDeleteTimer];
+			}
+			else
+			{
+				// Handles #3
+				// Handles #4
+				// 
+				// Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+				// if a save is needed the timer will fire immediately.
+				
+				[self updateDeleteTimer];
+			}
+		}
+		else if (deleteTimer)
+		{
+			// Handles #1
+			
+			[self destroyDeleteTimer];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (void)pauseOldMessageDeletionForRoom:(XMPPJID *)roomJID
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[pausedMessageDeletion addObject:[roomJID bareJID]];
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (void)resumeOldMessageDeletionForRoom:(XMPPJID *)roomJID
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[pausedMessageDeletion removeObject:[roomJID bareJID]];
+		[self performDelete];
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)performDelete
+{
+	if (maxMessageAge <= 0.0) return;
+	
+	NSDate *minLocalTimestamp = [NSDate dateWithTimeIntervalSinceNow:(maxMessageAge * -1.0)];
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	NSPredicate *predicate;
+	if ([pausedMessageDeletion count] > 0)
+	{
+		predicate = [NSPredicate predicateWithFormat:@"localTimestamp <= %@ AND roomJIDStr NOT IN %@",
+		                                                  minLocalTimestamp, pausedMessageDeletion];
+	}
+	else
+	{
+		predicate = [NSPredicate predicateWithFormat:@"localTimestamp <= %@", minLocalTimestamp];
+	}
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:messageEntity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchBatchSize:saveThreshold];
+	
+	NSError *error = nil;
+	NSArray *oldMessages = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (error)
+	{
+		XMPPLogWarn(@"%@: %@ - fetch error: %@", THIS_FILE, THIS_METHOD, error);
+	}
+	
+	NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+	
+	for (XMPPRoomMessageHybridCoreDataStorageObject *oldMessage in oldMessages)
+	{
+		[moc deleteObject:oldMessage];
+		
+		if (++unsavedCount >= saveThreshold)
+		{
+			[self save];
+			unsavedCount = 0;
+		}
+	}
+	
+	lastDeleteTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+}
+
+- (void)destroyDeleteTimer
+{
+	if (deleteTimer)
+	{
+		dispatch_source_cancel(deleteTimer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(deleteTimer);
+		#endif
+		deleteTimer = NULL;
+	}
+}
+
+- (void)updateDeleteTimer
+{
+	if ((deleteTimer != NULL) && (deleteInterval > 0.0) && (maxMessageAge > 0.0))
+	{
+		uint64_t interval = deleteInterval * NSEC_PER_SEC;
+		dispatch_time_t startTime;
+		
+		if (lastDeleteTime > 0)
+			startTime = dispatch_time(lastDeleteTime, interval);
+		else
+			startTime = dispatch_time(DISPATCH_TIME_NOW, interval);
+		
+		dispatch_source_set_timer(deleteTimer, startTime, interval, 1.0);
+	}
+}
+
+- (void)createAndStartDeleteTimer
+{
+	if ((deleteTimer == NULL) && (deleteInterval > 0.0) && (maxMessageAge > 0.0))
+	{
+		deleteTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, storageQueue);
+		
+		dispatch_source_set_event_handler(deleteTimer, ^{ @autoreleasepool {
+			
+			[self performDelete];
+			
+		}});
+		
+		[self updateDeleteTimer];
+		
+		if (deleteTimer)
+			dispatch_resume(deleteTimer);
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Protected API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Optional override hook.
+**/
+- (BOOL)existsMessage:(XMPPMessage *)message forRoom:(XMPPRoom *)room stream:(XMPPStream *)xmppStream
+{
+	NSDate *remoteTimestamp = [message delayedDeliveryDate];
+	
+	if (remoteTimestamp == nil)
+	{
+		// When the xmpp server sends us a room message, it will always timestamp delayed messages.
+		// For example, when retrieving the discussion history, all messages will include the original timestamp.
+		// If a message doesn't include such timestamp, then we know we're getting it in "real time".
+		
+		return NO;
+	}
+	
+	// Does this message already exist in the database?
+	// How can we tell if two XMPPRoomMessages are the same?
+	// 
+	// 1. Same streamBareJidStr
+	// 2. Same jid
+	// 3. Same text
+	// 4. Approximately the same timestamps
+	// 
+	// This is actually a rather difficult question.
+	// What if the same user sends the exact same message multiple times?
+	// 
+	// If we first received the message while already in the room, it won't contain a remoteTimestamp.
+	// Returning to the room later and downloading the discussion history will return the same message,
+	// this time with a remote timestamp.
+	// 
+	// So if the message doesn't have a remoteTimestamp,
+	// but it's localTimestamp is approximately the same as the remoteTimestamp,
+	// then this is enough evidence to consider the messages the same.
+	// 
+	// Note: Predicate order matters. Most unique key should be first, least unique should be last.
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+	
+	XMPPJID *messageJID = [message from];
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	
+	NSDate *minLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval:-60];
+	NSDate *maxLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval: 60];
+	
+	NSString *predicateFormat = @"    body == %@ "
+	                            @"AND jidStr == %@ "
+	                            @"AND streamBareJidStr == %@ "
+	                            @"AND "
+	                            @"("
+	                            @"     (remoteTimestamp == %@) "
+	                            @"  OR (remoteTimestamp == NIL && localTimestamp BETWEEN {%@, %@})"
+	                            @")";
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:predicateFormat,
+	                             messageBody, messageJID, streamBareJidStr,
+	                             remoteTimestamp, minLocalTimestamp, maxLocalTimestamp];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:messageEntity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchLimit:1];
+		
+	NSError *error = nil;
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (error)
+	{
+		XMPPLogError(@"%@: %@ - Fetch error: %@", THIS_FILE, THIS_METHOD, error);
+	}
+	
+	return ([results count] > 0);
+}
+
+/**
+ * Optional override hook for general extensions.
+ * 
+ * @see insertMessage:outgoing:forRoom:stream:
+**/
+- (void)didInsertMessage:(XMPPRoomMessageHybridCoreDataStorageObject *)message
+{
+	// Override me if you're extending the XMPPRoomMessageHybridCoreDataStorageObject class
+	// to add additional properties, which you can set here.
+	// 
+	// At this point the standard properties have already been set.
+	// So you can, for example, access the XMPPMessage via message.message.
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do specific custom work when inserting a message in a room.
+ * 
+ * @see didInsertMessage:
+**/
+- (void)insertMessage:(XMPPMessage *)message
+             outgoing:(BOOL)isOutgoing
+              forRoom:(XMPPRoom *)room
+               stream:(XMPPStream *)xmppStream
+{
+	// Extract needed information
+	
+	XMPPJID *roomJID = room.roomJID;
+	XMPPJID *messageJID = isOutgoing ? room.myRoomJID : [message from];
+	
+	NSDate *localTimestamp;
+	NSDate *remoteTimestamp;
+	
+	if (isOutgoing)
+	{
+		localTimestamp = [[NSDate alloc] init];
+		remoteTimestamp = nil;
+	}
+	else
+	{
+		remoteTimestamp = [message delayedDeliveryDate];
+		if (remoteTimestamp) {
+			localTimestamp = remoteTimestamp;
+		}
+		else {
+			localTimestamp = [[NSDate alloc] init];
+		}
+	}
+	
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+	
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	// Add to database
+	
+	XMPPRoomMessageHybridCoreDataStorageObject *roomMessage = (XMPPRoomMessageHybridCoreDataStorageObject *)
+	    [[NSManagedObject alloc] initWithEntity:messageEntity insertIntoManagedObjectContext:nil];
+	
+	roomMessage.message = message;
+	roomMessage.roomJID = roomJID;
+	roomMessage.jid = messageJID;
+	roomMessage.nickname = [messageJID resource];
+	roomMessage.body = messageBody;
+	roomMessage.localTimestamp = localTimestamp;
+	roomMessage.remoteTimestamp = remoteTimestamp;
+	roomMessage.isFromMe = isOutgoing;
+	roomMessage.streamBareJidStr = streamBareJidStr;
+	
+	[moc insertObject:roomMessage];      // Hook if subclassing XMPPRoomMessageHybridCDSO (awakeFromInsert)
+	[self didInsertMessage:roomMessage]; // Hook if subclassing XMPPRoomHybridStorage
+}
+
+/**
+ * Optional override hook for general extensions.
+ * 
+ * @see insertOccupantWithPresence:room:stream:
+**/
+- (void)didInsertOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+{
+	// Override me if you're extending the XMPPRoomOccupantHybridMemoryStorageObject class
+	// to add additional properties, which you can set here.
+	// 
+	// At this point the standard properties have already been set.
+	// So you can, for example, access the XMPPPresence via occupant.presece.
+}
+
+/**
+ * Optional override hook for general extensions.
+ *
+ * @see updateOccupant:withPresence:room:stream:
+**/
+- (void)didUpdateOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+{
+	// Override me if you're extending the XMPPRoomOccupantHybridMemoryStorageObject class,
+	// and you have additional properties that may need to be updated.
+	// 
+	// At this point the standard properties have already been updated.
+}
+
+/**
+ * Optional override hook for general extensions.
+**/
+- (void)willRemoveOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+{
+	// Override me if you have any custom work to do before an occupant leaves (is removed from storage).
+}
+
+/**
+ * Optional override hook for general extensions.
+**/
+- (void)didRemoveOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+{
+	// Override me if you have any custom work to do after an occupant leaves (is removed from storage).
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when inserting an occupant in a room.
+**/ 
+- (XMPPRoomOccupantHybridMemoryStorageObject *)insertOccupantWithPresence:(XMPPPresence *)presence
+                                                                     room:(XMPPRoom *)room
+                                                                   stream:(XMPPStream *)xmppStream
+{
+	XMPPJID *streamFullJid = [self myJIDForXMPPStream:xmppStream];
+	XMPPJID *roomJid = room.roomJID;
+	
+	NSMutableDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+	if (occupantsRoomsDict == nil)
+	{
+		occupantsRoomsDict = [[NSMutableDictionary alloc] init];
+		occupantsGlobalDict[streamFullJid] = occupantsRoomsDict;
+	}
+	
+	NSMutableDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+	if (occupantsRoomDict == nil)
+	{
+		occupantsRoomDict = [[NSMutableDictionary alloc] init];
+		occupantsRoomsDict[roomJid] = occupantsRoomDict;
+	}
+	
+	XMPPRoomOccupantHybridMemoryStorageObject *occupant = (XMPPRoomOccupantHybridMemoryStorageObject *)
+	    [[self.occupantClass alloc] initWithPresence:presence streamFullJid:streamFullJid];
+	
+	occupantsRoomDict[occupant.jid] = occupant;
+	
+	return occupant;
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when updating an occupant in a room.
+**/
+- (void)updateOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream
+{
+	
+	[occupant updateWithPresence:presence];
+}
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when removing an occupant from a room.
+**/
+- (void)removeOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream
+{
+	// Remove from dictionary
+	
+	XMPPJID *streamFullJid = [self myJIDForXMPPStream:stream];
+	XMPPJID *roomJid = occupant.roomJID;
+	
+	NSMutableDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+	NSMutableDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+	
+	[occupantsRoomDict removeObjectForKey:occupant.jid]; // Remove occupant
+	if ([occupantsRoomDict count] == 0)
+	{
+		[occupantsRoomsDict removeObjectForKey:roomJid]; // Remove room if now empty
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc
+{
+	// This method should be thread-safe.
+	// So be sure to access the entity name through the property accessor.
+	
+	if (moc == nil)
+	{
+		XMPPLogWarn(@"%@: %@ - Invalid parameter, moc is nil", THIS_FILE, THIS_METHOD);
+		return nil;
+	}
+	
+	NSString *entityName = self.messageEntityName;
+	return [NSEntityDescription entityForName:entityName inManagedObjectContext:moc];
+}
+
+- (NSDate *)mostRecentMessageTimestampForRoom:(XMPPJID *)roomJID
+                                       stream:(XMPPStream *)xmppStream
+                                    inContext:(NSManagedObjectContext *)inMoc
+{
+	if (roomJID == nil) return nil;
+	
+	// It's possible to use our internal managedObjectContext only because we're not returning a NSManagedObject.
+	
+	__block NSDate *result = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		NSManagedObjectContext *moc = inMoc ? : [self managedObjectContext];
+		
+		NSEntityDescription *entity = [self messageEntity:moc];
+		
+		NSPredicate *predicate;
+		if (xmppStream)
+		{
+			NSString *streamBareJidStr = [[self myJIDForXMPPStream:xmppStream] bare];
+			
+			NSString *predicateFormat = @"roomJIDStr == %@ AND streamBareJidStr == %@";
+			predicate = [NSPredicate predicateWithFormat:predicateFormat, roomJID, streamBareJidStr];
+		}
+		else
+		{
+			predicate = [NSPredicate predicateWithFormat:@"roomJIDStr == %@", roomJID];
+		}
+		
+		NSSortDescriptor *sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"localTimestamp" ascending:NO];
+		NSArray *sortDescriptors = @[sortDescriptor];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setPredicate:predicate];
+		[fetchRequest setSortDescriptors:sortDescriptors];
+		[fetchRequest setFetchLimit:1];
+		
+		NSError *error = nil;
+		XMPPRoomMessageHybridCoreDataStorageObject *message = (XMPPRoomMessageHybridCoreDataStorageObject *)
+		    [[moc executeFetchRequest:fetchRequest error:&error] lastObject];
+
+		if (error)
+		{
+			XMPPLogError(@"%@: %@ - fetchRequest error: %@", THIS_FILE, THIS_METHOD, error);
+		}
+		else
+		{
+			result = [message.localTimestamp copy];
+		}
+	}};
+	
+	if (inMoc == nil)
+		dispatch_sync(storageQueue, block);
+	else
+		block();
+	
+	return result;
+}
+
+- (XMPPRoomOccupantHybridMemoryStorageObject *)occupantForJID:(XMPPJID *)occupantJid stream:(XMPPStream *)xmppStream
+{
+	if (occupantJid == nil) return nil;
+	
+	__block XMPPRoomOccupantHybridMemoryStorageObject *occupant = nil;
+	
+	void (^block)(BOOL) = ^(BOOL shouldCopy){ @autoreleasepool {
+		
+		XMPPJID *roomJid = [occupantJid bareJID];
+		
+		if (xmppStream)
+		{
+			XMPPJID *streamFullJid = [self myJIDForXMPPStream:xmppStream];
+			
+			NSDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+			NSDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+			
+			occupant = occupantsRoomDict[occupantJid];
+		}
+		else
+		{
+			for (XMPPJID *streamFullJid in occupantsGlobalDict)
+			{
+				NSDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+				NSDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+								
+				occupant = occupantsRoomDict[occupantJid];
+				if (occupant) break;
+			}
+		}
+		
+		if (shouldCopy)
+		{
+			occupant = [occupant copy];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block(NO);
+	else
+		dispatch_sync(storageQueue, ^{ block(YES); });
+	
+	return occupant;
+}
+
+- (NSArray *)occupantsForRoom:(XMPPJID *)roomJid stream:(XMPPStream *)xmppStream
+{
+	roomJid = [roomJid bareJID]; // Just in case a full jid is accidentally passed
+	
+	__block NSArray *results = nil;
+	
+	void (^block)(BOOL) = ^(BOOL shouldCopy){ @autoreleasepool {
+		
+		if (xmppStream)
+		{
+			XMPPJID *streamFullJid = [self myJIDForXMPPStream:xmppStream];
+			
+			NSDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+			NSDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+			
+			results = [occupantsRoomDict allValues];
+		}
+		else
+		{
+			for (XMPPJID *streamFullJid in occupantsGlobalDict)
+			{
+				NSDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+				NSDictionary *occupantsRoomDict = occupantsRoomsDict[roomJid];
+				
+				if (occupantsRoomDict)
+				{
+					results = [occupantsRoomDict allValues];
+					break;
+				}
+			}
+		}
+		
+		if (shouldCopy)
+		{
+			NSArray *temp = results;
+			results = [[NSArray alloc] initWithArray:temp copyItems:YES];
+		}
+	}};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block(NO);
+	else
+		dispatch_sync(storageQueue, ^{ block(YES); });
+	
+	return results;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPRoomStorage Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handlePresence:(XMPPPresence *)presence room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	dispatch_queue_t roomQueue = room.moduleQueue;
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		XMPPJID *from = [presence from];
+		
+		if ([[presence type] isEqualToString:@"unavailable"])
+		{
+			XMPPRoomOccupantHybridMemoryStorageObject *occupant = [self occupantForJID:from stream:xmppStream];
+			if (occupant)
+			{
+				// Occupant did leave - remove
+				
+				[self willRemoveOccupant:occupant];
+				[self removeOccupant:occupant withPresence:presence room:room stream:xmppStream];
+				[self didRemoveOccupant:occupant];
+				
+				// Notify delegate(s)
+				
+				XMPPRoomOccupantHybridMemoryStorageObject *occupantCopy = [occupant copy];
+				dispatch_async(roomQueue, ^{ @autoreleasepool {
+					
+					GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *roomMulticastDelegate =
+					    (GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *)[room multicastDelegate];
+					
+					[roomMulticastDelegate xmppRoomHybridStorage:self
+					                            occupantDidLeave:occupantCopy];
+				}});
+			}
+		}
+		else
+		{
+			XMPPRoomOccupantHybridMemoryStorageObject *occupant = [self occupantForJID:from stream:xmppStream];
+			if (occupant == nil)
+			{
+				// Occupant did join - add
+				
+				occupant = [self insertOccupantWithPresence:presence room:room stream:xmppStream];
+				if (occupant == nil)
+				{
+					// Subclasses may choose to ignore occupants for whatever reason.
+					return;
+				}
+				
+				[self didInsertOccupant:occupant];
+				
+				// Notify delegate(s)
+				
+				XMPPRoomOccupantHybridMemoryStorageObject *occupantCopy = [occupant copy];
+				dispatch_async(roomQueue, ^{ @autoreleasepool {
+				
+					GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *roomMulticastDelegate =
+					    (GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *)[room multicastDelegate];
+					
+					[roomMulticastDelegate xmppRoomHybridStorage:self
+					                             occupantDidJoin:occupantCopy];
+				}});
+			}
+			else
+			{
+				// Occupant did update - move
+				
+				[self updateOccupant:occupant withPresence:presence room:room stream:xmppStream];
+				[self didUpdateOccupant:occupant];
+				
+				// Notify delegate(s)
+				
+				XMPPRoomOccupantHybridMemoryStorageObject *occupantCopy = [occupant copy];
+				dispatch_async(roomQueue, ^{ @autoreleasepool {
+					
+					GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *roomMulticastDelegate =
+					    (GCDMulticastDelegate <XMPPRoomHybridStorageDelegate> *)[room multicastDelegate];
+					
+					[roomMulticastDelegate xmppRoomHybridStorage:self
+					                           occupantDidUpdate:occupantCopy];
+				}});
+			}
+		}
+	}];
+}
+
+- (void)handleOutgoingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		[self insertMessage:message outgoing:YES forRoom:room stream:xmppStream];
+	}];
+}
+
+- (void)handleIncomingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPJID *myRoomJID = room.myRoomJID;
+	XMPPJID *messageJID = [message from];
+	
+	if ([myRoomJID isEqualToJID:messageJID])
+	{
+		if (![message wasDelayed])
+		{
+			// Ignore - we already stored message in handleOutgoingMessage:room:
+			return;
+		}
+	}
+	
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		if ([self existsMessage:message forRoom:room stream:xmppStream])
+		{
+			XMPPLogVerbose(@"%@: %@ - Duplicate message", THIS_FILE, THIS_METHOD);
+		}
+		else
+		{
+			[self insertMessage:message outgoing:NO forRoom:room stream:xmppStream];
+		}
+	}];
+}
+
+- (void)handleDidLeaveRoom:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	
+	XMPPJID *roomJid = room.roomJID;
+	XMPPStream *xmppStream = room.xmppStream;
+	
+	[self scheduleBlock:^{
+		
+		XMPPJID *streamFullJid = [self myJIDForXMPPStream:xmppStream];
+		
+		NSMutableDictionary *occupantsRoomsDict = occupantsGlobalDict[streamFullJid];
+		
+		[occupantsRoomsDict removeObjectForKey:roomJid]; // Remove room (and all associated occupants)
+	}];
+}
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorageProtected.h b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorageProtected.h
new file mode 100644
index 0000000..e5b2c94
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomHybridStorageProtected.h
@@ -0,0 +1,91 @@
+/**
+ * The XMPPRoomHybridStorage class is designed to be easily extensible.
+ * The class has several protected methods that act as hooks,
+ * allowing you to override various methods to customize the functionality how you see fit.
+ * 
+ * This header file lists the protected methods,
+ * and you may need to import it in your subclass if you ever need to invoke these methods directly.
+ * 
+ * E.g. [super insertOccupant...]
+**/
+
+@interface XMPPRoomHybridStorage (Protected)
+
+/**
+ * Returns whether or not the given message already exists in storage.
+ * If YES, then the message is ignored. Otherwise it is passed to the insert routines.
+**/
+- (BOOL)existsMessage:(XMPPMessage *)message forRoom:(XMPPRoom *)room stream:(XMPPStream *)xmppStream;
+
+/**
+ * Override me if you're extending the XMPPRoomMessageHybridCoreDataStorageObject class
+ * to add additional properties, which you can set here.
+ * 
+ * At this point the standard properties have already been set.
+ * So you can, for example, access the XMPPMessage via message.message.
+**/
+- (void)didInsertMessage:(XMPPRoomMessageHybridCoreDataStorageObject *)message;
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do specific custom work when inserting a message in a room.
+**/
+- (void)insertMessage:(XMPPMessage *)message
+             outgoing:(BOOL)isOutgoing
+              forRoom:(XMPPRoom *)room
+               stream:(XMPPStream *)xmppStream;
+
+/**
+ * Override me if you're extending the XMPPRoomOccupantHybridMemoryStorageObject class
+ * to add additional properties, which you can set here.
+ * 
+ * At this point the standard properties have already been set.
+ * So you can, for example, access the XMPPPresence via occupant.presece.
+**/
+- (void)didInsertOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Override me if you're extending the XMPPRoomOccupantHybridMemoryStorageObject class,
+ * and you have additional properties that may need to be updated.
+ * 
+ * At this point the standard properties have already been updated.
+**/
+- (void)didUpdateOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Override me if you have any custom work to do before an occupant leaves (is removed from storage).
+**/
+- (void)willRemoveOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Override me if you have any custom work to do after an occupant leaves (is removed from storage).
+**/
+- (void)didRemoveOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant;
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when inserting an occupant in a room.
+**/ 
+- (XMPPRoomOccupantHybridMemoryStorageObject *)insertOccupantWithPresence:(XMPPPresence *)presence
+                                                                     room:(XMPPRoom *)room
+                                                                   stream:(XMPPStream *)xmppStream;
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when updating an occupant in a room.
+**/
+- (void)updateOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream;
+
+/**
+ * Optional override hook for complete customization.
+ * Override me if you need to do custom work when removing an occupant from a room.
+**/
+- (void)removeOccupant:(XMPPRoomOccupantHybridMemoryStorageObject *)occupant
+          withPresence:(XMPPPresence *)presence
+                  room:(XMPPRoom *)room
+                stream:(XMPPStream *)stream;
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.h b/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.h
new file mode 100644
index 0000000..943d2ee
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.h
@@ -0,0 +1,47 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPP.h"
+#import "XMPPRoom.h"
+
+
+@interface XMPPRoomMessageHybridCoreDataStorageObject : NSManagedObject <XMPPRoomMessage>
+
+/**
+ * The properties below are documented in the XMPPRoomMessage protocol.
+**/
+
+@property (nonatomic, retain) XMPPMessage * message;  // Transient (proper type, not on disk)
+@property (nonatomic, retain) NSString * messageStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) XMPPJID * roomJID;      // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * roomJIDStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, retain) XMPPJID * jid;          // Transient (proper type, not on disk)
+@property (nonatomic, retain) NSString * jidStr;      // Shadow (binary data, written to disk)
+
+@property (nonatomic, retain) NSString * nickname;
+@property (nonatomic, retain) NSString * body;
+
+@property (nonatomic, retain) NSDate * localTimestamp;
+@property (nonatomic, strong) NSDate * remoteTimestamp;
+
+@property (nonatomic, assign) BOOL isFromMe;
+@property (nonatomic, strong) NSNumber * fromMe;
+
+/**
+ * The 'type' property can be used to inject event messages.
+ * For example: "JohnDoe entered the room".
+ * 
+ * You can define your own types to suit your needs.
+ * All normal messages will have a type of zero.
+**/
+@property (nonatomic, strong) NSNumber * type;
+
+/**
+ * If a single instance of XMPPRoomHybridStorage is shared between multiple xmppStream's,
+ * this may be needed to distinguish between the streams.
+**/
+@property (nonatomic, strong) NSString *streamBareJidStr;
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.m b/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.m
new file mode 100644
index 0000000..b64d032
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomMessageHybridCoreDataStorageObject.m
@@ -0,0 +1,206 @@
+#import "XMPPRoomMessageHybridCoreDataStorageObject.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@interface XMPPRoomMessageHybridCoreDataStorageObject ()
+
+@property(nonatomic,strong) XMPPJID * primitiveRoomJID;
+@property(nonatomic,strong) NSString * primitiveRoomJIDStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveJid;
+@property(nonatomic,strong) NSString * primitiveJidStr;
+
+@property(nonatomic,strong) XMPPMessage * primitiveMessage;
+@property(nonatomic,strong) NSString * primitiveMessageStr;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomMessageHybridCoreDataStorageObject
+
+@dynamic message;
+@dynamic messageStr;
+
+@dynamic roomJID, primitiveRoomJID;
+@dynamic roomJIDStr, primitiveRoomJIDStr;
+
+@dynamic jid, primitiveJid;
+@dynamic jidStr, primitiveJidStr;
+
+@dynamic nickname;
+@dynamic body;
+@dynamic localTimestamp;
+@dynamic remoteTimestamp;
+@dynamic isFromMe;
+@dynamic fromMe;
+
+@dynamic type;
+
+@dynamic streamBareJidStr;
+
+@dynamic primitiveMessage;
+@dynamic primitiveMessageStr;
+
+#pragma mark Transient roomJID
+
+- (XMPPJID *)roomJID
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"roomJID"];
+	XMPPJID *tmp = self.primitiveRoomJID;
+	[self didAccessValueForKey:@"roomJID"];
+	
+	if (tmp == nil)
+	{
+		NSString *roomJIDStr = self.roomJIDStr;
+		if (roomJIDStr)
+		{
+			tmp = [XMPPJID jidWithString:roomJIDStr];
+			self.primitiveRoomJID = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setRoomJID:(XMPPJID *)roomJID
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = roomJID;
+	self.primitiveRoomJIDStr = [roomJID full];
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+- (void)setRoomJIDStr:(NSString *)roomJIDStr
+{
+	[self willChangeValueForKey:@"roomJID"];
+	[self willChangeValueForKey:@"roomJIDStr"];
+	
+	self.primitiveRoomJID = [XMPPJID jidWithString:roomJIDStr];
+	self.primitiveRoomJIDStr = roomJIDStr;
+	
+	[self didChangeValueForKey:@"roomJID"];
+	[self didChangeValueForKey:@"roomJIDStr"];
+}
+
+#pragma mark Transient jid
+
+- (XMPPJID *)jid
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"jid"];
+	XMPPJID *tmp = self.primitiveJid;
+	[self didAccessValueForKey:@"jid"];
+	
+	if (tmp == nil)
+	{
+		NSString *jidStr = self.jidStr;
+		if (jidStr)
+		{
+			tmp = [XMPPJID jidWithString:jidStr];
+			self.primitiveJid = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setJid:(XMPPJID *)jid
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = jid;
+	self.primitiveJidStr = [jid full];
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+- (void)setJidStr:(NSString *)jidStr
+{
+	[self willChangeValueForKey:@"jid"];
+	[self willChangeValueForKey:@"jidStr"];
+	
+	self.primitiveJid = [XMPPJID jidWithString:jidStr];
+	self.primitiveJidStr = jidStr;
+	
+	[self didChangeValueForKey:@"jid"];
+	[self didChangeValueForKey:@"jidStr"];
+}
+
+#pragma mark Scalar
+
+- (BOOL)isFromMe
+{
+	return [[self fromMe] boolValue];
+}
+
+- (void)setIsFromMe:(BOOL)value
+{
+	self.fromMe = @(value);
+}
+
+#pragma mark - Message
+- (XMPPMessage *)message
+{
+	// Create and cache on demand
+	[self willAccessValueForKey:@"message"];
+    
+	XMPPMessage *message = self.primitiveMessage;
+    
+	[self didAccessValueForKey:@"message"];
+    
+	if (message == nil)
+	{
+		NSString *messageStr = self.messageStr;
+		if (messageStr)
+		{
+			NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:
+                messageStr error:nil];
+			message = [XMPPMessage messageFromElement:element];
+			self.primitiveMessage = message;
+		}
+    }
+    
+    return message;
+}
+
+- (void)setMessage:(XMPPMessage *)message
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	
+	self.primitiveMessage = message;
+	self.primitiveMessageStr = [message compactXMLString];
+	
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+- (void)setMessageStr:(NSString *)messageStr
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	
+	NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:messageStr error:nil];
+	self.primitiveMessage = [XMPPMessage messageFromElement:element];
+	self.primitiveMessageStr = messageStr;
+	
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.h b/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.h
new file mode 100644
index 0000000..65c37c6
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.h
@@ -0,0 +1,41 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoom.h"
+#import "XMPPRoomOccupant.h"
+
+
+@interface XMPPRoomOccupantHybridMemoryStorageObject : NSObject <XMPPRoomOccupant, NSCopying, NSSecureCoding>
+
+- (id)initWithPresence:(XMPPPresence *)presence streamFullJid:(XMPPJID *)streamFullJid;
+- (void)updateWithPresence:(XMPPPresence *)presence;
+
+/**
+ * The properties below are documented in the XMPPRoomOccupant protocol.
+**/
+
+@property (readonly) XMPPPresence *presence;
+
+@property (readonly) XMPPJID  * jid;
+@property (readonly) XMPPJID  * roomJID;
+@property (readonly) NSString * nickname;
+
+@property (readonly) NSString * role;
+@property (readonly) NSString * affiliation;
+@property (readonly) XMPPJID  * realJID;
+
+@property (readonly) NSDate * createdAt;
+
+/**
+ * Since XMPPRoomHybridStorage supports multiple xmppStreams,
+ * this property may be used to differentiate between occupant objects.
+**/
+@property (readonly) XMPPJID  * streamFullJid;
+
+/**
+ * Sample comparison methods.
+**/
+
+- (NSComparisonResult)compareByNickname:(XMPPRoomOccupantHybridMemoryStorageObject *)another;
+
+- (NSComparisonResult)compareByCreatedAt:(XMPPRoomOccupantHybridMemoryStorageObject *)another;
+
+@end
diff --git a/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.m b/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.m
new file mode 100644
index 0000000..965b224
--- /dev/null
+++ b/Extensions/XEP-0045/HybridStorage/XMPPRoomOccupantHybridMemoryStorageObject.m
@@ -0,0 +1,237 @@
+#import "XMPPRoomOccupantHybridMemoryStorageObject.h"
+
+
+@implementation XMPPRoomOccupantHybridMemoryStorageObject
+{
+	XMPPPresence *presence;
+	XMPPJID *jid;
+	NSDate *createdAt;
+	XMPPJID *streamFullJid;
+}
+
+- (id)initWithPresence:(XMPPPresence *)inPresence streamFullJid:(XMPPJID *)inStreamFullJid
+{
+	NSParameterAssert(inPresence != nil);
+	NSParameterAssert(inStreamFullJid != nil);
+	
+	if ((self = [super init]))
+	{
+		presence = inPresence;
+		jid = [presence from];
+		createdAt = [[NSDate alloc] init];
+		streamFullJid = inStreamFullJid;
+	}
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if ([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if ([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                presence      = [coder decodeObjectOfClass:[XMPPPresence class] forKey:@"presence"];
+                jid           = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+                createdAt     = [coder decodeObjectOfClass:[NSDate class] forKey:@"createdAt"];
+                streamFullJid = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"streamFullJid"];
+            }
+            else
+            {
+                presence      = [coder decodeObjectForKey:@"presence"];
+                jid           = [coder decodeObjectForKey:@"jid"];
+                createdAt     = [coder decodeObjectForKey:@"createdAt"];
+                streamFullJid = [coder decodeObjectForKey:@"streamFullJid"];
+            }
+		}
+		else
+		{
+			presence      = [coder decodeObject];
+			jid           = [coder decodeObject];
+			createdAt     = [coder decodeObject];
+			streamFullJid = [coder decodeObject];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:presence      forKey:@"presence"];
+		[coder encodeObject:jid           forKey:@"jid"];
+		[coder encodeObject:createdAt     forKey:@"createdAt"];
+		[coder encodeObject:streamFullJid forKey:@"streamFullJid"];
+	}
+	else
+	{
+		[coder encodeObject:presence];
+		[coder encodeObject:jid];
+		[coder encodeObject:createdAt];
+		[coder encodeObject:streamFullJid];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPRoomOccupantHybridMemoryStorageObject *deepCopy;
+	deepCopy = (XMPPRoomOccupantHybridMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->presence      = [presence copy];
+	deepCopy->jid           = [jid copy];
+	deepCopy->createdAt     = [createdAt copy];
+	deepCopy->streamFullJid = [streamFullJid copy];
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Updates
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)updateWithPresence:(XMPPPresence *)inPresence
+{
+	presence = inPresence;
+	jid = [inPresence from];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPPresence *)presence
+{
+	return presence;
+}
+
+- (XMPPJID *)jid
+{
+	return jid;
+}
+
+- (XMPPJID *)roomJID
+{
+	return [jid bareJID];
+}
+
+- (NSString *)nickname
+{
+	return [jid resource];
+}
+
+- (NSString *)itemAttributeStringValueForName:(NSString *)attrName
+{
+	NSXMLElement *x = [presence elementForName:@"x" xmlns:@"http://jabber.org/protocol/muc#user"];
+	NSXMLElement *item = [x elementForName:@"item"];
+	if (item)
+	{
+		NSString *result = [item attributeStringValueForName:attrName];
+		if (result)
+		{
+			return [result lowercaseString];
+		}
+	}
+	
+	return nil;
+}
+
+- (NSString *)role
+{
+	return [self itemAttributeStringValueForName:@"role"];
+}
+
+- (NSString *)affiliation
+{
+	return [self itemAttributeStringValueForName:@"affiliation"];
+}
+
+- (XMPPJID *)realJID
+{
+	NSString *jidStr = [self itemAttributeStringValueForName:@"jid"];
+	if (jidStr)
+		return [XMPPJID jidWithString:jidStr];
+	else
+		return nil;
+}
+
+- (NSDate *)createdAt
+{
+	return createdAt;
+}
+
+- (XMPPJID *)streamFullJid
+{
+	return streamFullJid;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Compare
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compareByNickname:(XMPPRoomOccupantHybridMemoryStorageObject *)another
+{
+	return [self.nickname compare:another.nickname];
+}
+
+- (NSComparisonResult)compareByCreatedAt:(XMPPRoomOccupantHybridMemoryStorageObject *)another
+{
+	return [self.createdAt compare:another.createdAt];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	return [jid hash];
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if ([anObject isMemberOfClass:[self class]])
+	{
+		XMPPRoomOccupantHybridMemoryStorageObject *another = (XMPPRoomOccupantHybridMemoryStorageObject *)anObject;
+		
+		if ([jid isEqualToJID:[another jid]])
+		{
+			if ([streamFullJid isEqualToJID:[another streamFullJid]])
+			{
+				return YES;
+			}
+		}
+	}
+	
+	return NO;
+}
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.h b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.h
new file mode 100644
index 0000000..e29faba
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.h
@@ -0,0 +1,130 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoom.h"
+#import "XMPPRoomOccupant.h"
+#import "XMPPRoomMessageMemoryStorageObject.h"
+#import "XMPPRoomOccupantMemoryStorageObject.h"
+
+
+
+@interface XMPPRoomMemoryStorage : NSObject <XMPPRoomStorage>
+
+- (id)init;
+
+@property (readonly) XMPPRoom *parent;
+
+/**
+ * You can optionally extend the XMPPRoomMessageMemoryStorageObject and XMPPRoomOccupantMemoryStorageObject classes.
+ * Then just set the classes here, and your subclasses will automatically get used.
+ * 
+ * You must set your desired class(es), if different from default, before you begin using the storage class.
+**/
+@property (assign, readwrite) Class messageClass;
+@property (assign, readwrite) Class occupantClass;
+
+/**
+ * Returns the occupant with the given full JID.
+**/
+- (XMPPRoomOccupantMemoryStorageObject *)occupantForJID:(XMPPJID *)jid;
+
+/**
+ * Returns the messages in sorted order.
+ * The messages are sorted via the [messageClass compare:] method, which may optionally be overriden in subclasses.
+**/
+- (NSArray *)messages;
+
+/**
+ * Returns the occupants in sorted order.
+ * The occupants are sorted via the [occupantsClass compare:] method, which may optionally be overriden in subclasses.
+**/
+- (NSArray *)occupants;
+
+/**
+ * This method is designed for subclasses of XMPPRoomMessageMemoryStorageObject
+ * which may dynamically change the operation of the overriden compare: method.
+ * 
+ * If changed, this method should be invoked to force a resort.
+**/
+- (NSArray *)resortMessages;
+
+/**
+ * This method is designed for subclasses of XMPPRoomOccupantMemoryStorageObject
+ * which may dynamically change the operation of the overriden compare: method.
+ * 
+ * If changed, this method should be invoked to force a resort.
+**/
+- (NSArray *)resortOccupants;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRoomMemoryStorageDelegate <NSObject>
+@optional
+
+// 
+// XMPPRoomMemoryStorage automatically uses the delegate(s) of its parent XMPPRoom.
+// 
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidJoin:withPresence: method.
+ * 
+ * This method provides the delegate with the occupant storage instance,
+ * as well as the current snapshot of the occupants array,
+ * and the index at which the new occupant was inserted.
+ * 
+ * The given occupant will be included in the given array at the given index.
+**/
+- (void)xmppRoomMemoryStorage:(XMPPRoomMemoryStorage *)sender
+              occupantDidJoin:(XMPPRoomOccupantMemoryStorageObject *)occupant
+                      atIndex:(NSUInteger)index
+                      inArray:(NSArray *)allOccupants;
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidLeave:withPresence: method.
+ * 
+ * This method provides the delegate with the occupant storage instance,
+ * as well as the current snapshot of the occupants array,
+ * and the index at which the occupant used to reside.
+ * 
+ * The given occupant will not be included in the given array.
+ * It's previous location is given by the index.
+**/
+- (void)xmppRoomMemoryStorage:(XMPPRoomMemoryStorage *)sender
+             occupantDidLeave:(XMPPRoomOccupantMemoryStorageObject *)occupant
+                      atIndex:(NSUInteger)index
+                    fromArray:(NSArray *)allOccupants;
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:occupantDidUpdate:withPresence: method.
+ * 
+ * This method provides the delegate with the occupant storage instance,
+ * as well as the current snapshot of the occupants array,
+ * including the old and new index of the occupant.
+ * 
+ * The given occupant will be included in the given array at the given newIndex.
+ * If the location of the occupant didn't change, then the oldIndex and newIndex will be the same.
+**/
+- (void)xmppRoomMemoryStorage:(XMPPRoomMemoryStorage *)sender
+            occupantDidUpdate:(XMPPRoomOccupantMemoryStorageObject *)occupant
+                    fromIndex:(NSUInteger)oldIndex
+                      toIndex:(NSUInteger)newIndex
+                      inArray:(NSArray *)allOccupants;
+
+/**
+ * Similar to XMPPRoomDelegate's xmppRoom:didReceiveMessage:fromOccupant: method.
+ * 
+ * This method provides the delegate with the occupant and message storage instance,
+ * as well as the current snapshot of the messages array,
+ * including the new index of the message.
+ * 
+ * The given message will be included in the given array at the given index.
+**/
+- (void)xmppRoomMemoryStorage:(XMPPRoomMemoryStorage *)sender
+			didReceiveMessage:(XMPPRoomMessageMemoryStorageObject *)message
+                 fromOccupant:(XMPPRoomOccupantMemoryStorageObject *)occupant
+                      atIndex:(NSUInteger)index
+                      inArray:(NSArray *)allMessages;
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.m b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.m
new file mode 100644
index 0000000..0714f25
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMemoryStorage.m
@@ -0,0 +1,707 @@
+#import "XMPPRoomMemoryStorage.h"
+#import "XMPPRoomPrivate.h"
+#import "XMPP.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertPrivateQueue() \
+        NSAssert(dispatch_get_specific(parentQueueTag), @"Private method: MUST run on parentQueue");
+
+#define AssertParentQueue() \
+        NSAssert(dispatch_get_specific(parentQueueTag), @"Private protocol method: MUST run on parentQueue");
+
+@interface XMPPRoomMemoryStorage ()
+{
+  #if __has_feature(objc_arc_weak)
+	__weak XMPPRoom *parent;
+  #else
+	__unsafe_unretained XMPPRoom *parent;
+  #endif
+	dispatch_queue_t parentQueue;
+	void *parentQueueTag;
+	
+	NSMutableArray * messages;
+	NSMutableArray * occupantsArray;
+	NSMutableDictionary * occupantsDict;
+	
+	Class messageClass;
+	Class occupantClass;
+}
+
+@property (readonly) dispatch_queue_t parentQueue;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoomMemoryStorage
+
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		messages  = [[NSMutableArray alloc] init];
+		occupantsArray = [[NSMutableArray alloc] init];
+		occupantsDict  = [[NSMutableDictionary alloc] init];
+		
+		messageClass = [XMPPRoomMessageMemoryStorageObject class];
+		occupantClass = [XMPPRoomOccupantMemoryStorageObject class];
+	}
+	return self;
+}
+
+- (BOOL)configureWithParent:(XMPPRoom *)aParent queue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(aParent != nil);
+	NSParameterAssert(queue != NULL);
+	
+	BOOL result = NO;
+	
+	@synchronized(self)
+	{
+		if ((parent == nil) && (parentQueue == NULL))
+		{
+			parent = aParent;
+			parentQueue = queue;
+			parentQueueTag = &parentQueueTag;
+			dispatch_queue_set_specific(parentQueue, parentQueueTag, parentQueueTag, NULL);
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(parentQueue);
+			#endif
+			
+			result = YES;
+		}
+	}
+	
+	return result;
+}
+
+- (GCDMulticastDelegate <XMPPRoomMemoryStorageDelegate> *)multicastDelegate
+{
+	return (GCDMulticastDelegate <XMPPRoomMemoryStorageDelegate> *)[parent multicastDelegate];
+}
+
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	if (parentQueue)
+		dispatch_release(parentQueue);
+	#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize messageClass;
+@synthesize occupantClass;
+
+- (XMPPRoom *)parent
+{
+	XMPPRoom *result = nil;
+	
+	@synchronized(self) // synchronized with configureWithParent:queue:
+	{
+		result = parent;
+	}
+	
+	return result;
+}
+
+- (dispatch_queue_t)parentQueue
+{
+	dispatch_queue_t result = NULL;
+	
+	@synchronized(self) // synchronized with configureWithParent:queue:
+	{
+		result = parentQueue;
+	}
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)existsMessage:(XMPPMessage *)message
+{
+	NSDate *remoteTimestamp = [message delayedDeliveryDate];
+	
+	if (remoteTimestamp == nil)
+	{
+		// When the xmpp server sends us a room message, it will always timestamp delayed messages.
+		// For example, when retrieving the discussion history, all messages will include the original timestamp.
+		// If a message doesn't include such timestamp, then we know we're getting it in "real time".
+		
+		return NO;
+	}
+	
+	if ([messages count] == 0)
+	{
+		// Safety net for binary search algorithm used below
+		
+		return NO;
+	}
+	
+	
+	// Does this message already exist in the messages array?
+	// How can we tell if two XMPPRoomMessages are the same?
+	// 
+	// 1. Same jid
+	// 2. Same text
+	// 3. Same remoteTimestamp
+	// 4. Approximately the same localTimestamps (if existing message doesn't have set remoteTimestamp)
+	// 
+	// This is actually a rather difficult question.
+	// What if the same user sends the exact same message multiple times?
+	// 
+	// If we first received the message while already in the room, it won't contain a remoteTimestamp.
+	// Returning to the room later and downloading the discussion history will return the same message,
+	// this time with a remote timestamp.
+	// 
+	// So if the message doesn't have a remoteTimestamp,
+	// but it's localTimestamp is approximately the same as the remoteTimestamp,
+	// then this is enough evidence to consider the messages the same.
+	
+	// Algorithm overview:
+	// 
+	// Since the clock of the client and server may be out of sync,
+	// a localTimestamp and remoteTimestamp may be off by several seconds.
+	// So we're going to search a range of messages, bounded by a min and max localTimestamp.
+	// 
+	// We find the first message that has a localTimestamp >= minLocalTimestamp.
+	// We then search from there to the first message that has a localTimestamp > maxLocalTimestamp.
+	// 
+	// This represents our range of messages to search.
+	// Then we can simply iterate over these messages to see if any have the same jid and text.
+	
+	NSDate *minLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval:-60];
+	NSDate *maxLocalTimestamp = [remoteTimestamp dateByAddingTimeInterval: 60];
+	
+	// Use binary search to locate first message with localTimestamp >= minLocalTimestamp.
+	
+	NSInteger mid;
+	NSInteger min = 0;
+	NSInteger max = [messages count] - 1;
+	
+	while (YES)
+	{
+		mid = (min + max) / 2;
+		XMPPRoomMessageMemoryStorageObject *currentMessage = messages[mid];
+		
+		NSComparisonResult cmp = [minLocalTimestamp compare:[currentMessage localTimestamp]];
+		if (cmp == NSOrderedAscending)
+		{
+			// minLocalTimestamp < currentMessage.localTimestamp
+			
+			if (mid == min)
+				break;
+			else
+				max = mid - 1;
+		}
+		else // Descending || Same
+		{
+			// minLocalTimestamp >= currentMessage.localTimestamp
+			
+			if (mid == max) {
+				mid++;
+				break;
+			}
+			else {
+				min = mid + 1;
+			}
+		}
+	}
+	
+	// The 'mid' variable now points to the index of the first message in the sorted messages array
+	// that has a localTimestamp >= minLocalTimestamp.
+	// 
+	// We're going to start looking for matching messages here,
+	// and break if we find a message with localTimestamp <= maxLocalTimestamp.
+	
+	XMPPJID *messageJid = [message from];
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	
+	NSInteger index;
+	for (index = mid; index < [messages count]; index++)
+	{
+		XMPPRoomMessageMemoryStorageObject *currentMessage = messages[index];
+		
+		NSComparisonResult cmp = [maxLocalTimestamp compare:[currentMessage localTimestamp]];
+		if (cmp != NSOrderedAscending)
+		{
+			// maxLocalTimestamp >= currentMessage.localTimestamp
+			break;
+		}
+		
+		if ([currentMessage.jid isEqualToJID:messageJid])
+		{
+			if ([currentMessage.body isEqualToString:messageBody])
+			{
+				if (currentMessage.remoteTimestamp)
+				{
+					if ([currentMessage.remoteTimestamp isEqualToDate:remoteTimestamp])
+					{
+						// 1. jid matches
+						// 2. body matches
+						// 3. remoteTimestamp matches
+						// 
+						// => Incoming message already exists in the array.
+						
+						return YES;
+					}
+				}
+				else
+				{
+					// 1. jid matches
+					// 2. body matches
+					// 3. existing message in array doesn't have set remoteTimestamp
+					// 4. existing message has approximately the same localTimestamp
+					// 
+					// => Incoming message already exists in the array.
+					
+					return YES;
+				}
+			}
+		}
+	}
+
+	return NO;
+}
+
+- (NSUInteger)insertMessage:(XMPPRoomMessageMemoryStorageObject *)message
+{
+	NSUInteger count = [messages count];
+	
+	if (count == 0)
+	{
+		[messages addObject:message];
+		return 0;
+	}
+	
+	// Shortcut - Most (if not all) messages are inserted at the end
+	
+	XMPPRoomMessageMemoryStorageObject *lastMessage = messages[count - 1];
+	if ([message compare:lastMessage] != NSOrderedAscending)
+	{
+		[messages addObject:message];
+		return count;
+	}
+	
+	// Shortcut didn't work.
+	// Find location using binary search algorithm.
+	
+	NSInteger mid;
+	NSInteger min = 0;
+	NSInteger max = count - 1;
+	
+	while (YES)
+	{
+		mid = (min + max) / 2;
+		XMPPRoomMessageMemoryStorageObject *currentMessage = messages[mid];
+		
+		NSComparisonResult cmp = [message compare:currentMessage];
+		if (cmp == NSOrderedAscending)
+		{
+			// message < currentMessage
+			
+			if (mid == min)
+				break;
+			else
+				max = mid - 1;
+		}
+		else // Descending || Same
+		{
+			// message >= currentMessage
+			
+			if (mid == max) {
+				mid++;
+				break;
+			}
+			else {
+				min = mid + 1;
+			}
+		}
+	}
+	
+	// Algorithm check:
+	// 
+	// Insert in array[length] at index (index)
+	// : min, mid, max (cmp_result)
+	// 
+	// 
+	// Insert in array[3] at index (0)
+	// : 0, 1, 2 (asc)
+	// : 0, 0, 0 (asc) break
+	// 
+	// Insert in array[3] at index (1)
+	// : 0, 1, 2 (asc)
+	// : 0, 0, 0 (dsc) mid++, break
+	// 
+	// Insert in array[3] at index (2)
+	// : 0, 1, 2 (dsc)
+	// : 2, 2, 2 (asc) break
+	// 
+	// Insert in array[3] at index (3)
+	// : 0, 1, 2 (dsc)
+	// : 2, 2, 2 (dsc) mid++, break
+	
+	[messages insertObject:message atIndex:mid];
+	return (NSUInteger)mid;
+}
+
+- (void)addMessage:(XMPPRoomMessageMemoryStorageObject *)roomMsg
+{
+	NSUInteger index = [self insertMessage:roomMsg];
+	
+	XMPPRoomOccupantMemoryStorageObject *occupant = occupantsDict[[roomMsg jid]];
+	
+	XMPPRoomMessageMemoryStorageObject *roomMsgCopy = [roomMsg copy];
+	XMPPRoomOccupantMemoryStorageObject *occupantCopy = [occupant copy];
+	NSArray *messagesCopy = [[NSArray alloc] initWithArray:messages copyItems:YES];
+	
+	[[self multicastDelegate] xmppRoomMemoryStorage:self
+	                              didReceiveMessage:roomMsgCopy
+	                                   fromOccupant:occupantCopy
+	                                        atIndex:index
+	                                        inArray:messagesCopy];
+}
+
+- (NSUInteger)insertOccupant:(XMPPRoomOccupantMemoryStorageObject *)occupant
+{
+	NSUInteger count = [occupantsArray count];
+	
+	if (count == 0)
+	{
+		[occupantsArray addObject:occupant];
+		return 0;
+	}
+	
+	// Find location using binary search algorithm.
+	
+	NSInteger mid;
+	NSInteger min = 0;
+	NSInteger max = count - 1;
+	
+	while (YES)
+	{
+		mid = (min + max) / 2;
+		XMPPRoomOccupantMemoryStorageObject *currentOccupant = occupantsArray[mid];
+		
+		NSComparisonResult cmp = [occupant compare:currentOccupant];
+		if (cmp == NSOrderedAscending)
+		{
+			// occupant < currentOccupant
+			
+			if (mid == min)
+				break;
+			else
+				max = mid - 1;
+		}
+		else // Descending || Same
+		{
+			// occupant >= currentOccupant
+			
+			if (mid == max) {
+				mid++;
+				break;
+			}
+			else {
+				min = mid + 1;
+			}
+		}
+	}
+	
+	[occupantsArray insertObject:occupant atIndex:mid];
+	return (NSUInteger)mid;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPRoomOccupantMemoryStorageObject *)occupantForJID:(XMPPJID *)jid
+{
+	XMPPLogTrace();
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return occupantsDict[jid];
+	}
+	else
+	{
+		__block XMPPRoomOccupantMemoryStorageObject *occupant = nil;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			occupant = [occupantsDict[jid] copy];
+		}});
+		
+		return occupant;
+	}
+}
+
+- (NSArray *)messages
+{
+	XMPPLogTrace();
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return messages;
+	}
+	else
+	{
+		__block NSArray *result = nil;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			result = [[NSArray alloc] initWithArray:messages copyItems:YES];
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)occupants
+{
+	XMPPLogTrace();
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		return occupantsArray;
+	}
+	else
+	{
+		__block NSArray *result = nil;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			result = [[NSArray alloc] initWithArray:occupantsArray copyItems:YES];
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)resortMessages
+{
+	XMPPLogTrace();
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		[messages sortUsingSelector:@selector(compare:)];
+		return messages;
+	}
+	else
+	{
+		__block NSArray *result = nil;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			[messages sortUsingSelector:@selector(compare:)];
+			result = [[NSArray alloc] initWithArray:messages copyItems:YES];
+		}});
+		
+		return result;
+	}
+}
+
+- (NSArray *)resortOccupants
+{
+	XMPPLogTrace();
+	
+	if (self.parentQueue == NULL)
+	{
+		// Haven't been attached to parent yet
+		return nil;
+	}
+	
+	if (dispatch_get_specific(parentQueueTag))
+	{
+		[occupantsArray sortUsingSelector:@selector(compare:)];
+		return occupantsArray;
+	}
+	else
+	{
+		__block NSArray *result = nil;
+		
+		dispatch_sync(parentQueue, ^{ @autoreleasepool {
+			
+			[occupantsArray sortUsingSelector:@selector(compare:)];
+			result = [[NSArray alloc] initWithArray:occupantsArray copyItems:YES];
+		}});
+		
+		return result;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPRoomStorage Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handlePresence:(XMPPPresence *)presence room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	XMPPJID *from = [presence from];
+	
+	if ([[presence type] isEqualToString:@"unavailable"])
+	{
+		XMPPRoomOccupantMemoryStorageObject *occupant = occupantsDict[from];
+		if (occupant)
+		{
+			// Occupant did leave - remove
+			
+			NSUInteger index = [occupantsArray indexOfObjectIdenticalTo:occupant];
+			
+			[occupantsArray removeObjectAtIndex:index];
+			[occupantsDict removeObjectForKey:from];
+			
+			// Notify delegate(s)
+			
+			XMPPRoomOccupantMemoryStorageObject *occupantCopy = [occupant copy];
+			NSArray *occupantsCopy = [[NSArray alloc] initWithArray:occupantsArray copyItems:YES];
+			
+			[[self multicastDelegate] xmppRoomMemoryStorage:self
+			                               occupantDidLeave:occupantCopy
+			                                        atIndex:index
+			                                      fromArray:occupantsCopy];
+		}
+	}
+	else
+	{
+		XMPPRoomOccupantMemoryStorageObject *occupant = occupantsDict[from];
+		if (occupant == nil)
+		{
+			// Occupant did join - add
+			
+			occupant = [[self.occupantClass alloc] initWithPresence:presence];
+			
+			NSUInteger index = [self insertOccupant:occupant];
+			occupantsDict[from] = occupant;
+			
+			// Notify delegate(s)
+			
+			XMPPRoomOccupantMemoryStorageObject *occupantCopy = [occupant copy];
+			NSArray *occupantsCopy = [[NSArray alloc] initWithArray:occupantsArray copyItems:YES];
+			
+			[[self multicastDelegate] xmppRoomMemoryStorage:self
+			                                occupantDidJoin:occupantCopy
+			                                        atIndex:index
+			                                        inArray:occupantsCopy];
+		}
+		else
+		{
+			// Occupant did update - move
+			
+			[occupant updateWithPresence:presence];
+			
+			NSUInteger oldIndex = [occupantsArray indexOfObjectIdenticalTo:occupant];
+			[occupantsArray removeObjectAtIndex:oldIndex];
+			NSUInteger newIndex = [self insertOccupant:occupant];
+			
+			// Notify delegate(s)
+			
+			XMPPRoomOccupantMemoryStorageObject *occupantCopy = [occupant copy];
+			NSArray *occupantsCopy = [[NSArray alloc] initWithArray:occupantsArray copyItems:YES];
+			
+			[[self multicastDelegate] xmppRoomMemoryStorage:self
+			                              occupantDidUpdate:occupantCopy
+			                                      fromIndex:oldIndex
+			                                        toIndex:newIndex
+			                                        inArray:occupantsCopy];
+		}
+	}
+}
+
+- (void)handleOutgoingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	XMPPJID *msgJID = room.myRoomJID;
+	
+	XMPPRoomMessageMemoryStorageObject *roomMsg;
+	roomMsg = [[self.messageClass alloc] initWithOutgoingMessage:message jid:msgJID];
+	
+	[self addMessage:roomMsg];
+}
+
+- (void)handleIncomingMessage:(XMPPMessage *)message room:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	XMPPJID *myRoomJID = room.myRoomJID;
+	XMPPJID *messageJID = [message from];
+	
+	if ([myRoomJID isEqualToJID:messageJID])
+	{
+		if (![message wasDelayed])
+		{
+			// Ignore - we already stored message in handleOutgoingMessage:room:
+			return;
+		}
+	}
+	
+	if ([self existsMessage:message])
+	{
+		XMPPLogVerbose(@"%@: %@ - Duplicate message", THIS_FILE, THIS_METHOD);
+	}
+	else
+	{
+		XMPPRoomMessageMemoryStorageObject *roomMessage = [[self.messageClass alloc] initWithIncomingMessage:message];
+		[self addMessage:roomMessage];
+	}
+}
+
+- (void)handleDidLeaveRoom:(XMPPRoom *)room
+{
+	XMPPLogTrace();
+	AssertParentQueue();
+	
+	[occupantsDict removeAllObjects];
+	[occupantsArray removeAllObjects];
+}
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.h b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.h
new file mode 100644
index 0000000..fc83094
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.h
@@ -0,0 +1,34 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoomMessage.h"
+
+
+@interface XMPPRoomMessageMemoryStorageObject : NSObject <XMPPRoomMessage, NSCopying, NSSecureCoding>
+
+- (id)initWithIncomingMessage:(XMPPMessage *)message;
+- (id)initWithOutgoingMessage:(XMPPMessage *)message  jid:(XMPPJID *)myRoomJID;
+
+/**
+ * The properties below are documented in the XMPPRoomMessage protocol.
+**/
+
+@property (nonatomic, readonly) XMPPMessage *message;
+
+@property (nonatomic, readonly) XMPPJID  * roomJID;
+
+@property (nonatomic, readonly) XMPPJID  * jid;
+@property (nonatomic, readonly) NSString * nickname;
+
+@property (nonatomic, readonly) NSDate   * localTimestamp;
+@property (nonatomic, readonly) NSDate   * remoteTimestamp;
+
+@property (nonatomic, readonly) BOOL isFromMe;
+
+/**
+ * Compares two messages based on the localTimestamp.
+ * 
+ * This method provides the ordering used by XMPPRoomMemoryStorage.
+ * Subclasses may override this method to provide an alternative sorting mechanism.
+**/
+- (NSComparisonResult)compare:(XMPPRoomMessageMemoryStorageObject *)another;
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.m b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.m
new file mode 100644
index 0000000..02081fd
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomMessageMemoryStorageObject.m
@@ -0,0 +1,175 @@
+#import "XMPPRoomMessageMemoryStorageObject.h"
+#import "XMPP.h"
+#import "NSXMLElement+XEP_0203.h"
+
+
+@implementation XMPPRoomMessageMemoryStorageObject
+{
+	XMPPMessage *message;
+	XMPPJID *jid;
+	NSDate *localTimestamp;
+	NSDate *remoteTimestamp;
+	BOOL isFromMe;
+}
+
+- (id)initWithIncomingMessage:(XMPPMessage *)inMessage
+{
+	if ((self = [super init]))
+	{
+		message = inMessage;
+		jid = [inMessage from];
+		isFromMe = NO;
+		
+		remoteTimestamp = [inMessage delayedDeliveryDate];
+		if (remoteTimestamp)
+			localTimestamp = remoteTimestamp;
+		else
+			localTimestamp = [[NSDate alloc] init];
+	}
+	return self;
+}
+
+- (id)initWithOutgoingMessage:(XMPPMessage *)inMessage  jid:(XMPPJID *)myRoomJID
+{
+	if ((self = [super init]))
+	{
+		message = inMessage;
+		jid = myRoomJID;
+		isFromMe = YES;
+		
+		localTimestamp = [[NSDate alloc] init];
+	}
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if ([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if ([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                message         = [coder decodeObjectOfClass:[XMPPMessage class] forKey:@"message"];
+                jid             = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+                localTimestamp  = [coder decodeObjectOfClass:[NSDate class] forKey:@"localTimestamp"];
+                remoteTimestamp = [coder decodeObjectOfClass:[NSDate class] forKey:@"remoteTimestamp"];
+                isFromMe        = [coder decodeBoolForKey:@"isFromMe"];
+            }
+            else
+            {
+                message         = [coder decodeObjectForKey:@"message"];
+                jid             = [coder decodeObjectForKey:@"jid"];
+                localTimestamp  = [coder decodeObjectForKey:@"localTimestamp"];
+                remoteTimestamp = [coder decodeObjectForKey:@"remoteTimestamp"];
+                isFromMe        = [coder decodeBoolForKey:@"isFromMe"];
+            }
+			
+		}
+		else
+		{
+			message         = [coder decodeObject];
+			jid             = [coder decodeObject];
+			localTimestamp  = [coder decodeObject];
+			remoteTimestamp = [coder decodeObject];
+			isFromMe        = [[coder decodeObject] boolValue];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:message         forKey:@"message"];
+		[coder encodeObject:jid             forKey:@"jid"];
+		[coder encodeObject:localTimestamp  forKey:@"timestamp"];
+		[coder encodeObject:remoteTimestamp forKey:@"remoteTimestamp"];
+		[coder encodeBool:isFromMe          forKey:@"isFromMe"];
+	}
+	else
+	{
+		[coder encodeObject:message];
+		[coder encodeObject:jid];
+		[coder encodeObject:localTimestamp];
+		[coder encodeObject:remoteTimestamp];
+    [coder encodeObject:@(isFromMe)];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPRoomMessageMemoryStorageObject *deepCopy = (XMPPRoomMessageMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->message = [message copy];
+	deepCopy->jid = [jid copy];
+	deepCopy->localTimestamp = [localTimestamp copy];
+	deepCopy->remoteTimestamp = [remoteTimestamp copy];
+	deepCopy->isFromMe = isFromMe;
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize message;
+@synthesize jid;
+@synthesize localTimestamp;
+@synthesize remoteTimestamp;
+@synthesize isFromMe;
+
+- (XMPPJID *)roomJID
+{
+	return [jid bareJID];
+}
+
+- (NSString *)nickname
+{
+	return [jid resource];
+}
+
+- (NSString *)body
+{
+	return [[message elementForName:@"body"] stringValue];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparisons
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compare:(XMPPRoomMessageMemoryStorageObject *)another
+{
+	return [localTimestamp compare:[another localTimestamp]];
+}
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.h b/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.h
new file mode 100644
index 0000000..cb9c44a
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.h
@@ -0,0 +1,33 @@
+#import <Foundation/Foundation.h>
+#import "XMPPRoom.h"
+#import "XMPPRoomOccupant.h"
+
+
+@interface XMPPRoomOccupantMemoryStorageObject : NSObject <XMPPRoomOccupant, NSCopying, NSSecureCoding>
+
+- (id)initWithPresence:(XMPPPresence *)presence;
+- (void)updateWithPresence:(XMPPPresence *)presence;
+
+/**
+ * The properties below are documented in the XMPPRoomOccupant protocol.
+**/
+
+@property (readonly) XMPPPresence *presence;
+
+@property (readonly) XMPPJID  * jid;
+@property (readonly) XMPPJID  * roomJID;
+@property (readonly) NSString * nickname;
+
+@property (readonly) NSString * role;
+@property (readonly) NSString * affiliation;
+@property (readonly) XMPPJID  * realJID;
+
+/**
+ * Compares two occupants based on the nickname.
+ * 
+ * This method provides the ordering used by XMPPRoomMemoryStorage.
+ * Subclasses may override this method to provide an alternative sorting mechanism.
+**/
+- (NSComparisonResult)compare:(XMPPRoomOccupantMemoryStorageObject *)another;
+
+@end
diff --git a/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.m b/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.m
new file mode 100644
index 0000000..514852f
--- /dev/null
+++ b/Extensions/XEP-0045/MemoryStorage/XMPPRoomOccupantMemoryStorageObject.m
@@ -0,0 +1,196 @@
+#import "XMPPRoomOccupantMemoryStorageObject.h"
+
+
+@implementation XMPPRoomOccupantMemoryStorageObject
+{
+	XMPPPresence *presence;
+	XMPPJID *jid;
+}
+
+- (id)initWithPresence:(XMPPPresence *)inPresence
+{
+	if ((self = [super init]))
+	{
+		presence = inPresence;
+		jid = [inPresence from];
+	}
+	return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if ([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	if ((self = [super init]))
+	{
+		if ([coder allowsKeyedCoding])
+		{
+            if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+               [coder requiresSecureCoding])
+            {
+                presence = [coder decodeObjectOfClass:[XMPPPresence class] forKey:@"presence"];
+                jid      = [coder decodeObjectOfClass:[XMPPJID class] forKey:@"jid"];
+            }
+            else
+            {
+                presence = [coder decodeObjectForKey:@"presence"];
+                jid      = [coder decodeObjectForKey:@"jid"];
+            }
+		}
+		else
+		{
+			presence = [coder decodeObject];
+			jid      = [coder decodeObject];
+		}
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	if ([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:presence forKey:@"presence"];
+		[coder encodeObject:jid forKey:@"jid"];
+	}
+	else
+	{
+		[coder encodeObject:presence];
+		[coder encodeObject:jid];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	// We use [self class] to support subclassing
+	
+	XMPPRoomOccupantMemoryStorageObject *deepCopy = (XMPPRoomOccupantMemoryStorageObject *)[[[self class] alloc] init];
+	
+	deepCopy->presence = [presence copy];
+	deepCopy->jid = [jid copy];
+	
+	return deepCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Updates
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)updateWithPresence:(XMPPPresence *)inPresence
+{
+	presence = inPresence;
+	jid = [inPresence from];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPJID *)roomJID
+{
+	return [jid bareJID];
+}
+
+- (XMPPJID *)jid
+{
+	return jid;
+}
+
+- (NSString *)nickname
+{
+	return [jid resource];
+}
+
+- (NSString *)itemAttributeStringValueForName:(NSString *)attrName
+{
+	NSXMLElement *x = [presence elementForName:@"x" xmlns:@"http://jabber.org/protocol/muc#user"];
+	NSXMLElement *item = [x elementForName:@"item"];
+	if (item)
+	{
+		NSString *result = [item attributeStringValueForName:attrName];
+		if (result)
+		{
+			return [result lowercaseString];
+		}
+	}
+	
+	return nil;
+}
+
+- (NSString *)role
+{
+	return [self itemAttributeStringValueForName:@"role"];
+}
+
+- (NSString *)affiliation
+{
+	return [self itemAttributeStringValueForName:@"affiliation"];
+}
+
+- (XMPPJID *)realJID
+{
+	NSString *jidStr = [self itemAttributeStringValueForName:@"jid"];
+	if (jidStr)
+		return [XMPPJID jidWithString:jidStr];
+	else
+		return nil;
+}
+
+- (XMPPPresence *)presence
+{
+	return presence;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparisons
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSComparisonResult)compare:(XMPPRoomOccupantMemoryStorageObject *)another
+{
+	return [self.nickname compare:another.nickname];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSObject Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)hash
+{
+	return [jid hash];
+}
+
+- (BOOL)isEqual:(id)anObject
+{
+	if ([anObject isMemberOfClass:[self class]])
+	{
+		XMPPRoomOccupantMemoryStorageObject *another = (XMPPRoomOccupantMemoryStorageObject *)anObject;
+		
+		return [jid isEqualToJID:[another jid]];
+	}
+	
+	return NO;
+}
+
+@end
diff --git a/Extensions/XEP-0045/XMPPMUC.h b/Extensions/XEP-0045/XMPPMUC.h
new file mode 100644
index 0000000..53dac11
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPMUC.h
@@ -0,0 +1,131 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+#import "XMPPRoom.h"
+
+#define _XMPP_MUC_H
+
+@class XMPPIDTracker;
+
+/**
+ * The XMPPMUC module, combined with XMPPRoom and associated storage classes,
+ * provides an implementation of XEP-0045 Multi-User Chat.
+ * 
+ * The bulk of the code resides in XMPPRoom, which handles the xmpp technical details
+ * such as surrounding joining/leaving a room, sending/receiving messages, etc.
+ * 
+ * The XMPPMUC class provides general (but important) tasks relating to MUC:
+ *  - It integrates with XMPPCapabilities (if available) to properly advertise support for MUC.
+ *  - It monitors active XMPPRoom instances on the xmppStream,
+ *    and provides an efficient query to see if a presence or message element is targeted at a room.
+ *  - It listens for MUC room invitations sent from other users.
+**/
+@interface XMPPMUC : XMPPModule
+{
+/*	Inherited from XMPPModule:
+	 
+	XMPPStream *xmppStream;
+	
+	dispatch_queue_t moduleQueue;
+ */
+	
+	NSMutableSet *rooms;
+
+  XMPPIDTracker *xmppIDTracker;
+}
+
+/* Inherited from XMPPModule:
+ 
+- (id)init;
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue;
+
+- (BOOL)activate:(XMPPStream *)xmppStream;
+- (void)deactivate;
+
+@property (readonly) XMPPStream *xmppStream;
+ 
+- (NSString *)moduleName;
+ 
+*/
+
+- (BOOL)isMUCRoomPresence:(XMPPPresence *)presence;
+- (BOOL)isMUCRoomMessage:(XMPPMessage *)message;
+
+/**
+* This method will attempt to discover existing services for the domain found in xmppStream.myJID.
+*
+* @see xmppMUC:didDiscoverServices:
+* @see xmppMUCFailedToDiscoverServices:withError:
+*/
+- (void)discoverServices;
+
+/**
+* This method will attempt to discover existing rooms (that are not hidden) for a given service.
+*
+* @see xmppMUC:didDiscoverRooms:forServiceNamed:
+* @see xmppMUC:failedToDiscoverRoomsForServiceNamed:withError:
+*
+* @param serviceName The name of the service for which to discover rooms. Normally in the form
+*                    of "chat.shakespeare.lit".
+*
+* @return NO if a serviceName is not provided, otherwise YES
+*/
+- (BOOL)discoverRoomsForServiceNamed:(NSString *)serviceName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPMUCDelegate
+@optional
+
+- (void)xmppMUC:(XMPPMUC *)sender roomJID:(XMPPJID *)roomJID didReceiveInvitation:(XMPPMessage *)message;
+- (void)xmppMUC:(XMPPMUC *)sender roomJID:(XMPPJID *)roomJID didReceiveInvitationDecline:(XMPPMessage *)message;
+
+/**
+* Implement this method when calling [mucInstance discoverServices]. It will be invoked if the request
+* for discovering services is successfully executed and receives a successful response.
+*
+* @param sender XMPPMUC object invoking this delegate method.
+* @param services An array of NSXMLElements in the form shown below. You will need to extract the data you
+*                 wish to use.
+*
+*                 <item jid='chat.shakespeare.lit' name='Chatroom Service'/>
+*/
+- (void)xmppMUC:(XMPPMUC *)sender didDiscoverServices:(NSArray *)services;
+
+/**
+* Implement this method when calling [mucInstanse discoverServices]. It will be invoked if the request
+* for discovering services is unsuccessfully executed or receives an unsuccessful response.
+*
+* @param sender XMPPMUC object invoking this delegate method.
+* @param error NSError containing more details of the failure.
+*/
+- (void)xmppMUCFailedToDiscoverServices:(XMPPMUC *)sender withError:(NSError *)error;
+
+/**
+* Implement this method when calling [mucInstance discoverRoomsForServiceNamed:]. It will be invoked if
+* the request for discovering rooms is successfully executed and receives a successful response.
+*
+* @param sender XMPPMUC object invoking this delegate method.
+* @param rooms An array of NSXMLElements in the form shown below. You will need to extract the data you
+*              wish to use.
+*
+*              <item jid='forres@chat.shakespeare.lit' name='The Palace'/>
+*
+* @param serviceName The name of the service for which rooms were discovered.
+*/
+- (void)xmppMUC:(XMPPMUC *)sender didDiscoverRooms:(NSArray *)rooms forServiceNamed:(NSString *)serviceName;
+
+/**
+* Implement this method when calling [mucInstance discoverRoomsForServiceNamed:]. It will be invoked if
+* the request for discovering rooms is unsuccessfully executed or receives an unsuccessful response.
+*
+* @param sender XMPPMUC object invoking this delegate method.
+* @param serviceName The name of the service for which rooms were attempted to be discovered.
+* @param error NSError containing more details of the failure.
+*/
+- (void)xmppMUC:(XMPPMUC *)sender failedToDiscoverRoomsForServiceNamed:(NSString *)serviceName withError:(NSError *)error;
+
+@end
diff --git a/Extensions/XEP-0045/XMPPMUC.m b/Extensions/XEP-0045/XMPPMUC.m
new file mode 100644
index 0000000..b286394
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPMUC.m
@@ -0,0 +1,423 @@
+#import "XMPPMUC.h"
+#import "XMPPFramework.h"
+#import "XMPPLogging.h"
+#import "XMPPIDTracker.h"
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+NSString *const XMPPDiscoverItemsNamespace = @"http://jabber.org/protocol/disco#items";
+NSString *const XMPPMUCErrorDomain = @"XMPPMUCErrorDomain";
+
+@interface XMPPMUC()
+{
+  BOOL hasRequestedServices;
+  BOOL hasRequestedRooms;
+}
+
+@end
+
+@implementation XMPPMUC
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue])) {
+		rooms = [[NSMutableSet alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+    XMPPLogVerbose(@"%@: Activated", THIS_FILE);
+
+    xmppIDTracker = [[XMPPIDTracker alloc] initWithStream:xmppStream
+                                            dispatchQueue:moduleQueue];
+
+#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self
+		              delegateQueue:moduleQueue
+		           toModulesOfClass:[XMPPCapabilities class]];
+#endif
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+  XMPPLogTrace();
+
+  dispatch_block_t block = ^{ @autoreleasepool {
+    [xmppIDTracker removeAllIDs];
+    xmppIDTracker = nil;
+  }};
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_sync(moduleQueue, block);
+
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isMUCRoomElement:(XMPPElement *)element
+{
+	XMPPJID *bareFrom = [[element from] bareJID];
+	if (bareFrom == nil)
+	{
+		return NO;
+	}
+	
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		result = [rooms containsObject:bareFrom];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (BOOL)isMUCRoomPresence:(XMPPPresence *)presence
+{
+	return [self isMUCRoomElement:presence];
+}
+
+- (BOOL)isMUCRoomMessage:(XMPPMessage *)message
+{
+	return [self isMUCRoomElement:message];
+}
+
+/**
+* This method provides functionality of XEP-0045 6.1 Discovering a MUC Service.
+*
+* @link {http://xmpp.org/extensions/xep-0045.html#disco-service}
+*
+* Example 1. Entity Queries Server for Associated Services
+*
+* <iq from='hag66@shakespeare.lit/pda'
+*       id='h7ns81g'
+*       to='shakespeare.lit'
+*     type='get'>
+*   <query xmlns='http://jabber.org/protocol/disco#items'/>
+* </iq>
+*/
+- (void)discoverServices
+{
+  // This is a public method, so it may be invoked on any thread/queue.
+
+  dispatch_block_t block = ^{ @autoreleasepool {
+    if (hasRequestedServices) return; // We've already requested services
+
+    NSString *toStr = xmppStream.myJID.domain;
+    NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                  xmlns:XMPPDiscoverItemsNamespace];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                 to:[XMPPJID jidWithString:toStr]
+                          elementID:[xmppStream generateUUID]
+                              child:query];
+
+    [xmppIDTracker addElement:iq
+                       target:self
+                     selector:@selector(handleDiscoverServicesQueryIQ:withInfo:)
+                      timeout:60];
+
+    [xmppStream sendElement:iq];
+    hasRequestedServices = YES;
+  }};
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method provides functionality of XEP-0045 6.3 Discovering Rooms
+*
+* @link {http://xmpp.org/extensions/xep-0045.html#disco-rooms}
+*
+* Example 5. Entity Queries Chat Service for Rooms
+*
+* <iq from='hag66@shakespeare.lit/pda'
+*       id='zb8q41f4'
+*       to='chat.shakespeare.lit'
+*     type='get'>
+*   <query xmlns='http://jabber.org/protocol/disco#items'/>
+* </iq>
+*/
+- (BOOL)discoverRoomsForServiceNamed:(NSString *)serviceName
+{
+  // This is a public method, so it may be invoked on any thread/queue.
+
+  if (serviceName.length < 2)
+    return NO;
+
+  dispatch_block_t block = ^{ @autoreleasepool {
+    if (hasRequestedRooms) return; // We've already requested rooms
+
+    NSXMLElement *query = [NSXMLElement elementWithName:@"query"
+                                                  xmlns:XMPPDiscoverItemsNamespace];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"get"
+                                 to:[XMPPJID jidWithString:serviceName]
+                          elementID:[xmppStream generateUUID]
+                              child:query];
+
+    [xmppIDTracker addElement:iq
+                       target:self
+                     selector:@selector(handleDiscoverRoomsQueryIQ:withInfo:)
+                      timeout:60];
+
+    [xmppStream sendElement:iq];
+    hasRequestedRooms = YES;
+  }};
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+
+  return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPIDTracker
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+* This method handles the response received (or not received) after calling discoverServices.
+*/
+- (void)handleDiscoverServicesQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  dispatch_block_t block = ^{ @autoreleasepool {
+    NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+    if (errorElem) {
+      NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+      NSDictionary *dict = @{NSLocalizedDescriptionKey : errMsg};
+      NSError *error = [NSError errorWithDomain:XMPPMUCErrorDomain
+                                           code:[errorElem attributeIntegerValueForName:@"code"
+                                                                       withDefaultValue:0]
+                                       userInfo:dict];
+
+      [multicastDelegate xmppMUCFailedToDiscoverServices:self
+                                               withError:error];
+      return;
+    }
+
+    NSXMLElement *query = [iq elementForName:@"query"
+                                       xmlns:XMPPDiscoverItemsNamespace];
+
+    NSArray *items = [query elementsForName:@"item"];
+    [multicastDelegate xmppMUC:self didDiscoverServices:items];
+    hasRequestedServices = NO; // Set this back to NO to allow for future requests
+  }};
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the response received (or not received) after calling discoverRoomsForServiceNamed:.
+*/
+- (void)handleDiscoverRoomsQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  dispatch_block_t block = ^{ @autoreleasepool {
+    NSXMLElement *errorElem = [iq elementForName:@"error"];
+    NSString *serviceName = [iq attributeStringValueForName:@"from" withDefaultValue:@""];
+
+    if (errorElem) {
+      NSString *errMsg = [errorElem.children componentsJoinedByString:@", "];
+      NSDictionary *dict = @{NSLocalizedDescriptionKey : errMsg};
+      NSError *error = [NSError errorWithDomain:XMPPMUCErrorDomain
+                                           code:[errorElem attributeIntegerValueForName:@"code"
+                                                                       withDefaultValue:0]
+                                       userInfo:dict];
+      [multicastDelegate     xmppMUC:self
+failedToDiscoverRoomsForServiceNamed:serviceName
+                           withError:error];
+      return;
+    }
+
+    NSXMLElement *query = [iq elementForName:@"query"
+                                       xmlns:XMPPDiscoverItemsNamespace];
+
+    NSArray *items = [query elementsForName:@"item"];
+    [multicastDelegate xmppMUC:self
+              didDiscoverRooms:items
+               forServiceNamed:serviceName];
+    hasRequestedRooms = NO; // Set this back to NO to allow for future requests
+  }};
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStream:(XMPPStream *)sender didRegisterModule:(id)module
+{
+	if ([module isKindOfClass:[XMPPRoom class]])
+	{
+		XMPPJID *roomJID = [(XMPPRoom *)module roomJID];
+		
+		[rooms addObject:roomJID];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender willUnregisterModule:(id)module
+{
+	if ([module isKindOfClass:[XMPPRoom class]])
+	{
+		XMPPJID *roomJID = [(XMPPRoom *)module roomJID];
+		
+		// It's common for the room to get deactivated and deallocated before
+		// we've received the goodbye presence from the server.
+		// So we're going to postpone for a bit removing the roomJID from the list.
+		// This way the isMUCRoomElement will still remain accurate
+		// for presence elements that may arrive momentarily.
+		
+		double delayInSeconds = 30.0;
+		dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
+		dispatch_after(popTime, moduleQueue, ^{ @autoreleasepool {
+			
+			[rooms removeObject:roomJID];
+		}});
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	// Examples from XEP-0045:
+	// 
+	// 
+	// Example 124. Room Sends Invitation to New Member:
+	// 
+	// <message from='darkcave@chat.shakespeare.lit' to='hecate@shakespeare.lit'>
+	//   <x xmlns='http://jabber.org/protocol/muc#user'>
+	//     <invite from='bard@shakespeare.lit'/>
+	//     <password>cauldronburn</password>
+	//   </x>
+	// </message>
+	// 
+	// 
+	// Example 125. Service Returns Error on Attempt by Mere Member to Invite Others to a Members-Only Room
+	// 
+	// <message from='darkcave@chat.shakespeare.lit' to='hag66@shakespeare.lit/pda' type='error'>
+	//   <x xmlns='http://jabber.org/protocol/muc#user'>
+	//     <invite to='hecate@shakespeare.lit'>
+	//       <reason>
+	//         Hey Hecate, this is the place for all good witches!
+	//       </reason>
+	//     </invite>
+	//   </x>
+	//   <error type='auth'>
+	//     <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+	//   </error>
+	// </message>
+	// 
+	// 
+	// Example 50. Room Informs Invitor that Invitation Was Declined
+	// 
+	// <message from='darkcave@chat.shakespeare.lit' to='crone1@shakespeare.lit/desktop'>
+	//   <x xmlns='http://jabber.org/protocol/muc#user'>
+	//     <decline from='hecate@shakespeare.lit'>
+	//       <reason>
+	//         Sorry, I'm too busy right now.
+	//       </reason>
+	//     </decline>
+	//   </x>
+	// </message>
+	// 
+	// 
+	// Examples from XEP-0249:
+	// 
+	// 
+	// Example 1. A direct invitation
+	// 
+	// <message from='crone1@shakespeare.lit/desktop' to='hecate@shakespeare.lit'>
+	//   <x xmlns='jabber:x:conference'
+	//      jid='darkcave@macbeth.shakespeare.lit'
+	//      password='cauldronburn'
+	//      reason='Hey Hecate, this is the place for all good witches!'/>
+	// </message>
+	
+	NSXMLElement * x = [message elementForName:@"x" xmlns:XMPPMUCUserNamespace];
+	NSXMLElement * invite  = [x elementForName:@"invite"];
+	NSXMLElement * decline = [x elementForName:@"decline"];
+	
+	NSXMLElement * directInvite = [message elementForName:@"x" xmlns:@"jabber:x:conference"];
+    
+    XMPPJID * roomJID = [message from];
+	
+	if (invite || directInvite)
+	{
+		[multicastDelegate xmppMUC:self roomJID:roomJID didReceiveInvitation:message];
+	}
+	else if (decline)
+	{
+		[multicastDelegate xmppMUC:self roomJID:roomJID didReceiveInvitationDecline:message];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)stream didReceiveIQ:(XMPPIQ *)iq
+{
+  NSString *type = [iq type];
+
+  if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"]) {
+    return [xmppIDTracker invokeForElement:iq withObject:iq];
+  }
+
+  return NO;
+}
+
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for MUC.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	// This method is invoked on our moduleQueue.
+	
+	// <query xmlns="http://jabber.org/protocol/disco#info">
+	//   ...
+	//   <feature var='http://jabber.org/protocol/muc'/>
+	//   ...
+	// </query>
+	
+	NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+	[feature addAttributeWithName:@"var" stringValue:@"http://jabber.org/protocol/muc"];
+	
+	[query addChild:feature];
+}
+#endif
+
+@end
diff --git a/Extensions/XEP-0045/XMPPMessage+XEP0045.h b/Extensions/XEP-0045/XMPPMessage+XEP0045.h
new file mode 100644
index 0000000..039948c
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPMessage+XEP0045.h
@@ -0,0 +1,11 @@
+#import <Foundation/Foundation.h>
+#import "XMPPMessage.h"
+
+
+@interface XMPPMessage(XEP0045)
+
+- (BOOL)isGroupChatMessage;
+- (BOOL)isGroupChatMessageWithBody;
+- (BOOL)isGroupChatMessageWithSubject;
+
+@end
diff --git a/Extensions/XEP-0045/XMPPMessage+XEP0045.m b/Extensions/XEP-0045/XMPPMessage+XEP0045.m
new file mode 100644
index 0000000..1e66392
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPMessage+XEP0045.m
@@ -0,0 +1,36 @@
+#import "XMPPMessage+XEP0045.h"
+#import "NSXMLElement+XMPP.h"
+
+
+@implementation XMPPMessage(XEP0045)
+
+- (BOOL)isGroupChatMessage
+{
+	return [[[self attributeForName:@"type"] stringValue] isEqualToString:@"groupchat"];
+}
+
+- (BOOL)isGroupChatMessageWithBody
+{
+	if ([self isGroupChatMessage])
+	{
+		NSString *body = [[self elementForName:@"body"] stringValue];
+		
+		return ([body length] > 0);
+	}
+	
+	return NO;
+}
+
+- (BOOL)isGroupChatMessageWithSubject
+{
+    if ([self isGroupChatMessage])
+	{
+        NSString *subject = [[self elementForName:@"subject"] stringValue];
+
+		return ([subject length] > 0);
+    }
+
+    return NO;
+}
+
+@end
diff --git a/Extensions/XEP-0045/XMPPRoom.h b/Extensions/XEP-0045/XMPPRoom.h
new file mode 100644
index 0000000..fd5eaa4
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPRoom.h
@@ -0,0 +1,314 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+#import "XMPPRoomMessage.h"
+#import "XMPPRoomOccupant.h"
+
+#define _XMPP_ROOM_H
+
+@class XMPPIDTracker;
+@protocol XMPPRoomStorage;
+@protocol XMPPRoomDelegate;
+
+static NSString *const XMPPMUCNamespace      = @"http://jabber.org/protocol/muc";
+static NSString *const XMPPMUCUserNamespace  = @"http://jabber.org/protocol/muc#user";
+static NSString *const XMPPMUCAdminNamespace = @"http://jabber.org/protocol/muc#admin";
+static NSString *const XMPPMUCOwnerNamespace = @"http://jabber.org/protocol/muc#owner";
+
+
+@interface XMPPRoom : XMPPModule
+{
+/*	Inherited from XMPPModule:
+	
+	XMPPStream *xmppStream;
+ 
+	dispatch_queue_t moduleQueue;
+	id multicastDelegate;
+ */
+ 
+ 	__strong id <XMPPRoomStorage> xmppRoomStorage;
+ 	
+	__strong XMPPJID *roomJID;
+	
+	__strong XMPPJID *myRoomJID;
+	__strong NSString *myNickname;
+	__strong NSString *myOldNickname;
+	
+	__strong NSString *roomSubject;
+	
+	XMPPIDTracker *responseTracker;
+	
+	uint16_t state;
+}
+
+- (id)initWithRoomStorage:(id <XMPPRoomStorage>)storage jid:(XMPPJID *)roomJID;
+- (id)initWithRoomStorage:(id <XMPPRoomStorage>)storage jid:(XMPPJID *)roomJID dispatchQueue:(dispatch_queue_t)queue;
+
+/* Inherited from XMPPModule:
+
+- (BOOL)activate:(XMPPStream *)xmppStream;
+- (void)deactivate;
+
+@property (readonly) XMPPStream *xmppStream;
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate;
+
+- (NSString *)moduleName;
+ 
+*/
+
+#pragma mark Properties
+
+@property (readonly) id <XMPPRoomStorage> xmppRoomStorage;
+
+@property (readonly) XMPPJID * roomJID;     // E.g. xmpp-development@conference.deusty.com
+
+@property (readonly) XMPPJID * myRoomJID;   // E.g. xmpp-development@conference.deusty.com/robbiehanson
+@property (readonly) NSString * myNickname; // E.g. robbiehanson
+
+@property (readonly) NSString *roomSubject;
+
+@property (readonly) BOOL isJoined;
+
+#pragma mark Room Lifecycle
+
+/**
+ * Sends a presence element to the join room.
+ * 
+ * If the room already exists, then the xmppRoomDidJoin: delegate method will be invoked upon
+ * notifiaction from the server that we successfully joined the room.
+ * 
+ * If the room did not already exist, and the authenticated user is allowed to create the room,
+ * then the server will automatically create the room,
+ * and the xmppRoomDidCreate: delegate method will be invoked (followed by xmppRoomDidJoin:).
+ * You'll then need to configure the room before others can join.
+ * 
+ * @param desiredNickname (required)
+ *        The nickname to use within the room.
+ *        If the room is anonymous, this is the only identifier other occupants of the room will see.
+ * 
+ * @param history (optional)
+ *        A history element specifying how much discussion history to request from the server.
+ *        E.g. <history maxstanzas='100'/>
+ *        For more information, please see XEP-0045, Section 7.1.16 - Managing Discussion History.
+ *        You may also want to query your storage module to see how old the most recent stored message for this room is.
+ * 
+ * @see fetchConfigurationForm
+ * @see configureRoomUsingOptions:
+**/
+- (void)joinRoomUsingNickname:(NSString *)desiredNickname history:(NSXMLElement *)history;
+- (void)joinRoomUsingNickname:(NSString *)desiredNickname history:(NSXMLElement *)history password:(NSString *)passwd;
+
+/**
+ * There are two ways to configure a room.
+ * 1.) Accept the default configuration
+ * 2.) Send a custom configuration
+ * 
+ * To see which configuration options the server supports,
+ * or to inspect the default options, you'll need to fetch the configuration form.
+ * 
+ * @see configureRoomUsingOptions:
+**/
+- (void)fetchConfigurationForm;
+
+/**
+ * Pass nil to accept the default configuration.
+**/
+- (void)configureRoomUsingOptions:(NSXMLElement *)roomConfigForm;
+
+- (void)leaveRoom;
+- (void)destroyRoom;
+
+#pragma mark Room Interaction
+
+- (void)changeNickname:(NSString *)newNickname;
+- (void)changeRoomSubject:(NSString *)newRoomSubject;
+
+- (void)inviteUser:(XMPPJID *)jid withMessage:(NSString *)invitationMessage;
+
+- (void)sendMessage:(XMPPMessage *)message;
+
+- (void)sendMessageWithBody:(NSString *)messageBody;
+
+#pragma mark Room Moderation
+
+- (void)fetchBanList;
+- (void)fetchMembersList;
+- (void)fetchModeratorsList;
+
+/**
+ * The ban list, member list, and moderator list are simply subsets of the room privileges list.
+ * That is, a user's status as 'banned', 'member', 'moderator', etc,
+ * are simply different priveleges that may be assigned to a user.
+ * 
+ * You may edit the list of privileges using this method.
+ * The array of items corresponds with the <item/> stanzas of Section 9 of XEP-0045.
+ * This class provides helper methods to create these item elements.
+ * 
+ * @see itemWithAffiliation:jid:
+ * @see itemWithRole:jid:
+ * 
+ * The authenticated user must be an admin or owner of the room, or the server will deny the request.
+ * 
+ * To add a member: <item 
+ * 
+ * 
+ * @return The id of the XMPPIQ that was sent.
+ *         This may be used to match multiple change requests with the responses in xmppRoom:didEditPrivileges:.
+**/
+- (NSString *)editRoomPrivileges:(NSArray *)items;
+
++ (NSXMLElement *)itemWithAffiliation:(NSString *)affiliation jid:(XMPPJID *)jid;
++ (NSXMLElement *)itemWithRole:(NSString *)role jid:(XMPPJID *)jid;
+
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRoomStorage <NSObject>
+@required
+
+// 
+// 
+// -- PUBLIC METHODS --
+// 
+// There are no public methods required by this protocol.
+// 
+// Each individual storage class will provide a proper way to access/enumerate the
+// occupants/messages according to the underlying storage mechanism.
+// 
+
+
+// 
+// 
+// -- PRIVATE METHODS --
+// 
+// These methods are designed to be used ONLY by the XMPPRoom class.
+// 
+// 
+
+/**
+ * Configures the storage class, passing it's parent and parent's dispatch queue.
+ * 
+ * This method is called by the init method of the XMPPRoom class.
+ * This method is designed to inform the storage class of it's parent
+ * and of the dispatch queue the parent will be operating on.
+ * 
+ * A storage class may choose to operate on the same queue as it's parent,
+ * as the majority of the time it will be getting called by the parent.
+ * If both are operating on the same queue, the combination may run faster.
+ * 
+ * Some storage classes support multiple xmppStreams,
+ * and may choose to operate on their own internal queue.
+ * 
+ * This method should return YES if it was configured properly.
+ * It should return NO only if configuration failed.
+ * For example, a storage class designed to be used only with a single xmppStream is being added to a second stream.
+ * The XMPPCapabilites class is configured to ignore the passed
+ * storage class in it's init method if this method returns NO.
+**/
+- (BOOL)configureWithParent:(XMPPRoom *)aParent queue:(dispatch_queue_t)queue;
+
+/**
+ * Updates and returns the occupant for the given presence element.
+ * If the presence type is "available", and the occupant doesn't already exist, then one should be created.
+**/
+- (void)handlePresence:(XMPPPresence *)presence room:(XMPPRoom *)room;
+
+/**
+ * Stores or otherwise handles the given message element.
+**/
+- (void)handleIncomingMessage:(XMPPMessage *)message room:(XMPPRoom *)room;
+- (void)handleOutgoingMessage:(XMPPMessage *)message room:(XMPPRoom *)room;
+
+/**
+ * Handles leaving the room, which generally means clearing the list of occupants.
+**/
+- (void)handleDidLeaveRoom:(XMPPRoom *)room;
+
+@optional
+
+/**
+ * May be used if there's anything special to do when joining a room.
+**/
+- (void)handleDidJoinRoom:(XMPPRoom *)room withNickname:(NSString *)nickname;
+
+
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRoomDelegate <NSObject>
+@optional
+
+- (void)xmppRoomDidCreate:(XMPPRoom *)sender;
+
+/**
+ * Invoked with the results of a request to fetch the configuration form.
+ * The given config form will look something like:
+ * 
+ * <x xmlns='jabber:x:data' type='form'>
+ *   <title>Configuration for MUC Room</title>
+ *   <field type='hidden'
+ *           var='FORM_TYPE'>
+ *     <value>http://jabber.org/protocol/muc#roomconfig</value>
+ *   </field>
+ *   <field label='Natural-Language Room Name'
+ *           type='text-single'
+ *            var='muc#roomconfig_roomname'/>
+ *   <field label='Enable Public Logging?'
+ *           type='boolean'
+ *            var='muc#roomconfig_enablelogging'>
+ *     <value>0</value>
+ *   </field>
+ *   ...
+ * </x>
+ * 
+ * The form is to be filled out and then submitted via the configureRoomUsingOptions: method.
+ * 
+ * @see fetchConfigurationForm:
+ * @see configureRoomUsingOptions:
+**/
+- (void)xmppRoom:(XMPPRoom *)sender didFetchConfigurationForm:(NSXMLElement *)configForm;
+
+- (void)xmppRoom:(XMPPRoom *)sender willSendConfiguration:(XMPPIQ *)roomConfigForm;
+
+- (void)xmppRoom:(XMPPRoom *)sender didConfigure:(XMPPIQ *)iqResult;
+- (void)xmppRoom:(XMPPRoom *)sender didNotConfigure:(XMPPIQ *)iqResult;
+
+- (void)xmppRoomDidJoin:(XMPPRoom *)sender;
+- (void)xmppRoomDidLeave:(XMPPRoom *)sender;
+
+
+- (void)xmppRoomDidDestroy:(XMPPRoom *)sender;
+- (void)xmppRoom:(XMPPRoom *)sender didFailToDestroy:(XMPPIQ *)iqError;
+
+
+- (void)xmppRoom:(XMPPRoom *)sender occupantDidJoin:(XMPPJID *)occupantJID withPresence:(XMPPPresence *)presence;
+- (void)xmppRoom:(XMPPRoom *)sender occupantDidLeave:(XMPPJID *)occupantJID withPresence:(XMPPPresence *)presence;
+- (void)xmppRoom:(XMPPRoom *)sender occupantDidUpdate:(XMPPJID *)occupantJID withPresence:(XMPPPresence *)presence;
+
+/**
+ * Invoked when a message is received.
+ * The occupant parameter may be nil if the message came directly from the room, or from a non-occupant.
+**/
+- (void)xmppRoom:(XMPPRoom *)sender didReceiveMessage:(XMPPMessage *)message fromOccupant:(XMPPJID *)occupantJID;
+
+- (void)xmppRoom:(XMPPRoom *)sender didFetchBanList:(NSArray *)items;
+- (void)xmppRoom:(XMPPRoom *)sender didNotFetchBanList:(XMPPIQ *)iqError;
+
+- (void)xmppRoom:(XMPPRoom *)sender didFetchMembersList:(NSArray *)items;
+- (void)xmppRoom:(XMPPRoom *)sender didNotFetchMembersList:(XMPPIQ *)iqError;
+
+- (void)xmppRoom:(XMPPRoom *)sender didFetchModeratorsList:(NSArray *)items;
+- (void)xmppRoom:(XMPPRoom *)sender didNotFetchModeratorsList:(XMPPIQ *)iqError;
+
+- (void)xmppRoom:(XMPPRoom *)sender didEditPrivileges:(XMPPIQ *)iqResult;
+- (void)xmppRoom:(XMPPRoom *)sender didNotEditPrivileges:(XMPPIQ *)iqError;
+
+@end
diff --git a/Extensions/XEP-0045/XMPPRoom.m b/Extensions/XEP-0045/XMPPRoom.m
new file mode 100644
index 0000000..1dec23e
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPRoom.m
@@ -0,0 +1,1174 @@
+#import "XMPP.h"
+#import "XMPPRoom.h"
+#import "XMPPIDTracker.h"
+#import "XMPPMessage+XEP0045.h"
+#import "XMPPLogging.h"
+
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+enum XMPPRoomState
+{
+	kXMPPRoomStateNone        = 0,
+	kXMPPRoomStateCreated     = 1 << 1,
+	kXMPPRoomStateJoining     = 1 << 3,
+	kXMPPRoomStateJoined      = 1 << 4,
+	kXMPPRoomStateLeaving     = 1 << 5,
+};
+
+@interface XMPPRoom ()
+
+// List private methods here
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPRoom
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPRoom.h are supported.
+	
+	return [self initWithRoomStorage:nil jid:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPRoom.h are supported.
+	
+	return [self initWithRoomStorage:nil jid:nil dispatchQueue:queue];
+}
+
+- (id)initWithRoomStorage:(id <XMPPRoomStorage>)storage jid:(XMPPJID *)aRoomJID
+{
+	return [self initWithRoomStorage:storage jid:aRoomJID dispatchQueue:NULL];
+}
+
+- (id)initWithRoomStorage:(id <XMPPRoomStorage>)storage jid:(XMPPJID *)aRoomJID dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(storage != nil);
+	NSParameterAssert(aRoomJID != nil);
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([storage configureWithParent:self queue:moduleQueue])
+		{
+			xmppRoomStorage = storage;
+		}
+		else
+		{
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+		
+		roomJID = [aRoomJID bareJID];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		responseTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (self.isJoined)
+		{
+			[self leaveRoom];
+		}
+		
+		[responseTracker removeAllIDs];
+		responseTracker = nil;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method may optionally be used by XMPPRosterStorage classes (method declared in XMPPRosterPrivate.h)
+**/
+- (dispatch_queue_t)moduleQueue
+{
+	return moduleQueue;
+}
+
+/**
+ * This method may optionally be used by XMPPRosterStorage classes (method declared in XMPPRosterPrivate.h).
+**/
+- (GCDMulticastDelegate *)multicastDelegate
+{
+	return multicastDelegate;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id <XMPPRoomStorage>)xmppRoomStorage
+{
+	// This variable is readonly - set in init method and never changed.
+	return xmppRoomStorage;
+}
+
+- (XMPPJID *)roomJID
+{
+	// This variable is readonly - set in init method and never changed.
+	return roomJID;
+}
+
+- (XMPPJID *)myRoomJID
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return myRoomJID;
+	}
+	else
+	{
+		__block XMPPJID *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = myRoomJID;
+		});
+		
+		return result;
+	}
+}
+
+- (NSString *)myNickname
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return myNickname;
+	}
+	else
+	{
+		__block NSString *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = myNickname;
+		});
+		
+		return result;
+	}
+}
+
+- (NSString *)roomSubject
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return roomSubject;
+	}
+	else
+	{
+		__block NSString *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = roomSubject;
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)isJoined
+{
+	__block BOOL result = 0;
+	
+	dispatch_block_t block = ^{
+		result = (state & kXMPPRoomStateJoined) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+/*
+- (BOOL)isRoomOwner
+{
+	__block BOOL result;
+	
+	dispatch_block_t block = ^{
+		
+		id <XMPPRoomOccupant> myOccupant = [xmppRoomStorage occupantForJID:myRoomJID stream:xmppStream];
+		
+		result = [myOccupant.affiliation isEqualToString:@"owner"];
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+*/
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Create & Join
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)preJoinWithNickname:(NSString *)nickname
+{
+	if ((state != kXMPPRoomStateNone) && (state != kXMPPRoomStateLeaving))
+	{
+		XMPPLogWarn(@"%@[%@] - Cannot create/join room when already creating/joining/joined", THIS_FILE, roomJID);
+		
+		return NO;
+	}
+	
+	myNickname = [nickname copy];
+	myRoomJID = [XMPPJID jidWithUser:[roomJID user] domain:[roomJID domain] resource:myNickname];
+	
+	return YES;
+}
+
+- (void)joinRoomUsingNickname:(NSString *)desiredNickname history:(NSXMLElement *)history
+{
+	[self joinRoomUsingNickname:desiredNickname history:history password:nil];
+}
+
+- (void)joinRoomUsingNickname:(NSString *)desiredNickname history:(NSXMLElement *)history password:(NSString *)passwd
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace2(@"%@[%@] - %@", THIS_FILE, roomJID, THIS_METHOD);
+		
+		// Check state and update variables
+		
+		if (![self preJoinWithNickname:desiredNickname])
+		{
+			return;
+		}
+		
+		// <presence to='darkcave@chat.shakespeare.lit/firstwitch'>
+		//   <x xmlns='http://jabber.org/protocol/muc'/>
+		//     <history/>
+		//     <password>passwd</password>
+		//   </x>
+		// </presence>
+		
+		NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:XMPPMUCNamespace];
+		if (history)
+		{
+			[x addChild:history];
+		}
+		if (passwd)
+		{
+			[x addChild:[NSXMLElement elementWithName:@"password" stringValue:passwd]];
+		}
+		
+		XMPPPresence *presence = [XMPPPresence presenceWithType:nil to:myRoomJID];
+		[presence addChild:x];
+		
+		[xmppStream sendElement:presence];
+		
+		state |= kXMPPRoomStateJoining;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Room Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handleConfigurationFormResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	XMPPLogTrace();
+	
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		// <iq type='result'
+		//     from='coven@chat.shakespeare.lit'
+		//       id='create1'>
+		//   <query xmlns='http://jabber.org/protocol/muc#owner'>
+		//     <x xmlns='jabber:x:data' type='form'>
+		//       <title>Configuration for "coven" Room</title>
+		//       <field type='hidden'
+		//               var='FORM_TYPE'>
+		//         <value>http://jabber.org/protocol/muc#roomconfig</value>
+		//       </field>
+		//       <field label='Natural-Language Room Name'
+		//               type='text-single'
+		//                var='muc#roomconfig_roomname'/>
+		//       <field label='Enable Public Logging?'
+		//               type='boolean'
+		//                var='muc#roomconfig_enablelogging'>
+		//         <value>0</value>
+		//       </field>
+		//       ...
+		//     </x>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPMUCOwnerNamespace];
+		NSXMLElement *x = [query elementForName:@"x" xmlns:@"jabber:x:data"];
+		
+		[multicastDelegate xmppRoom:self didFetchConfigurationForm:x];
+	}
+}
+
+- (void)fetchConfigurationForm
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <iq type='get'
+		//       id='config1'
+		//       to='coven@chat.shakespeare.lit'>
+		//   <query xmlns='http://jabber.org/protocol/muc#owner'/>
+		// </iq>
+		
+		NSString *fetchID = [xmppStream generateUUID];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCOwnerNamespace];
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:roomJID elementID:fetchID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:fetchID
+		                target:self
+		              selector:@selector(handleConfigurationFormResponse:withInfo:)
+		               timeout:60.0];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)handleConfigureRoomResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	XMPPLogTrace();
+	
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		[multicastDelegate xmppRoom:self didConfigure:iq];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didNotConfigure:iq];
+	}
+}
+
+- (void)configureRoomUsingOptions:(NSXMLElement *)roomConfigForm
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		if (roomConfigForm)
+		{
+			// Explicit configuration using given form.
+			// 
+			// <iq type='set'
+			//       id='create2'
+			//       to='coven@chat.shakespeare.lit'>
+			//   <query xmlns='http://jabber.org/protocol/muc#owner'>
+			//     <x xmlns='jabber:x:data' type='submit'>
+			//       <field var='FORM_TYPE'>
+			//         <value>http://jabber.org/protocol/muc#roomconfig</value>
+			//       </field>
+			//       <field var='muc#roomconfig_roomname'>
+			//         <value>A Dark Cave</value>
+			//       </field>
+			//       <field var='muc#roomconfig_enablelogging'>
+			//         <value>0</value>
+			//       </field>
+			//       ...
+			//     </x>
+			//   </query>
+			// </iq>
+			
+			NSXMLElement *x = roomConfigForm;
+			[x addAttributeWithName:@"type" stringValue:@"submit"];
+			
+			NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCOwnerNamespace];
+			[query addChild:x];
+			
+			NSString *iqID = [xmppStream generateUUID];
+			
+			XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:roomJID elementID:iqID child:query];
+			
+			[xmppStream sendElement:iq];
+			
+			[responseTracker addID:iqID
+			                target:self
+			              selector:@selector(handleConfigureRoomResponse:withInfo:)
+			               timeout:60.0];
+		}
+		else
+		{
+			// Default room configuration (as per server settings).
+			// 
+			// <iq type='set'
+			//     from='crone1@shakespeare.lit/desktop'
+			//       id='create1'
+			//       to='darkcave@chat.shakespeare.lit'>
+			//   <query xmlns='http://jabber.org/protocol/muc#owner'>
+			//     <x xmlns='jabber:x:data' type='submit'/>
+			//   </query>
+			// </iq>
+			
+			NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:@"jabber:x:data"];
+			[x addAttributeWithName:@"type" stringValue:@"submit"];
+			
+			NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCOwnerNamespace];
+			[query addChild:x];
+			
+			NSString *iqID = [xmppStream generateUUID];
+			
+			XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:roomJID elementID:iqID child:query];
+			
+			[xmppStream sendElement:iq];
+			
+			[responseTracker addID:iqID
+			                target:self
+			              selector:@selector(handleConfigureRoomResponse:withInfo:)
+			               timeout:60.0];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)changeNickname:(NSString *)newNickname
+{
+	myOldNickname = [myNickname copy];
+	myNickname = [newNickname copy];
+    myRoomJID = [XMPPJID jidWithUser:[roomJID user] domain:[roomJID domain] resource:myNickname];
+    XMPPPresence *presence = [XMPPPresence presenceWithType:nil to:myRoomJID];
+    [xmppStream sendElement:presence];
+}
+
+- (void)changeRoomSubject:(NSString *)newRoomSubject
+{
+    NSXMLElement *subject = [NSXMLElement elementWithName:@"subject" stringValue:newRoomSubject];
+    
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"from" stringValue:[myRoomJID full]];
+    [message addChild:subject];
+    
+    [self sendMessage:message];
+}
+
+- (void)handleFetchBanListResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		// <iq type='result'
+		//     from='southampton@henryv.shakespeare.lit'
+		//       id='ban2'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item affiliation='outcast' jid='earlofcambridge@shakespeare.lit'>
+		//       <reason>Treason</reason>
+		//     </item>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPMUCAdminNamespace];
+		NSArray *items = [query elementsForName:@"item"];
+		
+		[multicastDelegate xmppRoom:self didFetchBanList:items];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didNotFetchBanList:iq];
+	}
+}
+
+- (void)fetchBanList
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <iq type='get'
+		//       id='ban2'
+		//       to='southampton@henryv.shakespeare.lit'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item affiliation='outcast'/>
+		//   </query>
+		// </iq>
+		
+		NSString *fetchID = [xmppStream generateUUID];
+		
+		NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+		[item addAttributeWithName:@"affiliation" stringValue:@"outcast"];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCAdminNamespace];
+		[query addChild:item];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:roomJID elementID:fetchID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:fetchID
+		               target:self
+		             selector:@selector(handleFetchBanListResponse:withInfo:)
+		              timeout:60.0];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)handleFetchMembersListResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		// <iq type='result'
+		//     from='coven@chat.shakespeare.lit'
+		//       id='member3'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item affiliation='member' jid='hag66@shakespeare.lit' nick='thirdwitch' role='participant'/>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPMUCAdminNamespace];
+		NSArray *items = [query elementsForName:@"item"];
+		
+		[multicastDelegate xmppRoom:self didFetchMembersList:items];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didNotFetchMembersList:iq];
+	}
+}
+
+- (void)fetchMembersList
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <iq type='get'
+		//       id='member3'
+		//       to='coven@chat.shakespeare.lit'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item affiliation='member'/>
+		//   </query>
+		// </iq>
+		
+		NSString *fetchID = [xmppStream generateUUID];
+		
+		NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+		[item addAttributeWithName:@"affiliation" stringValue:@"member"];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCAdminNamespace];
+		[query addChild:item];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:roomJID elementID:fetchID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:fetchID
+		               target:self
+		             selector:@selector(handleFetchMembersListResponse:withInfo:)
+		              timeout:60.0];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+	
+	
+}
+
+- (void)handleFetchModeratorsListResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		// <iq type='result'
+		//       id='mod3'
+		//       to='crone1@shakespeare.lit/desktop'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item affiliation='member' jid='hag66@shakespeare.lit/pda' nick='thirdwitch' role='moderator'/>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:XMPPMUCAdminNamespace];
+		NSArray *items = [query elementsForName:@"item"];
+		
+		[multicastDelegate xmppRoom:self didFetchModeratorsList:items];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didNotFetchModeratorsList:iq];
+	}
+}
+
+- (void)fetchModeratorsList
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// <iq type='get'
+		//       id='mod3'
+		//       to='coven@chat.shakespeare.lit'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item role='moderator'/>
+		//   </query>
+		// </iq>
+		
+		NSString *fetchID = [xmppStream generateUUID];
+		
+		NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+		[item addAttributeWithName:@"role" stringValue:@"moderator"];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCAdminNamespace];
+		[query addChild:item];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:roomJID elementID:fetchID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:fetchID
+		               target:self
+		             selector:@selector(handleFetchModeratorsListResponse:withInfo:)
+		              timeout:60.0];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)handleEditRoomPrivilegesResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	if ([[iq type] isEqualToString:@"result"])
+	{
+		[multicastDelegate xmppRoom:self didEditPrivileges:iq];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didNotEditPrivileges:iq];
+	}
+}
+
+- (NSString *)editRoomPrivileges:(NSArray *)items
+{
+	NSString *iqID = [xmppStream generateUUID];
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <iq type='set'
+		//       id='mod4'
+		//       to='coven@chat.shakespeare.lit'>
+		//   <query xmlns='http://jabber.org/protocol/muc#admin'>
+		//     <item jid='hag66@shakespeare.lit/pda' role='participant'/>
+		//     <item jid='hecate@shakespeare.lit/broom' role='moderator'/>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCAdminNamespace];
+		for (NSXMLElement *item in items)
+		{
+			[query addChild:item];
+		}
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:roomJID elementID:iqID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:iqID
+		                target:self
+		              selector:@selector(handleEditRoomPrivilegesResponse:withInfo:)
+		               timeout:60.0];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+	
+	return iqID;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Leave & Destroy
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)leaveRoom
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <presence type='unavailable' to='darkcave@chat.shakespeare.lit/thirdwitch'/>
+		
+		XMPPPresence *presence = [XMPPPresence presence];
+		[presence addAttributeWithName:@"to" stringValue:[myRoomJID full]];
+		[presence addAttributeWithName:@"type" stringValue:@"unavailable"];
+		
+		[xmppStream sendElement:presence];
+		
+		state &= ~kXMPPRoomStateJoining;
+		state &= ~kXMPPRoomStateJoined;
+		state |=  kXMPPRoomStateLeaving;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)handleDestroyRoomResponse:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo>)info
+{
+	XMPPLogTrace();
+	
+	if ([iq isResultIQ])
+	{
+		[multicastDelegate xmppRoomDidDestroy:self];
+	}
+	else
+	{
+		[multicastDelegate xmppRoom:self didFailToDestroy:iq];
+	}
+}
+
+- (void)destroyRoom
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <iq type="set" to="roomName" id="abc123">
+		//   <query xmlns="http://jabber.org/protocol/muc#owner">
+		//     <destroy/>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *destroy = [NSXMLElement elementWithName:@"destroy"];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMPPMUCOwnerNamespace];
+		[query addChild:destroy];
+		
+		NSString *iqID = [xmppStream generateUUID];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:roomJID elementID:iqID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[responseTracker addID:iqID
+			                target:self
+			              selector:@selector(handleDestroyRoomResponse:withInfo:)
+			               timeout:60.0];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Messages
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)inviteUser:(XMPPJID *)jid withMessage:(NSString *)inviteMessageStr
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		// <message to='darkcave@chat.shakespeare.lit'>
+		//   <x xmlns='http://jabber.org/protocol/muc#user'>
+		//     <invite to='hecate@shakespeare.lit'>
+		//       <reason>
+		//         Hey Hecate, this is the place for all good witches!
+		//       </reason>
+		//     </invite>
+		//   </x>
+		// </message>
+		
+		NSXMLElement *invite = [NSXMLElement elementWithName:@"invite"];
+		[invite addAttributeWithName:@"to" stringValue:[jid full]];
+		
+		if ([inviteMessageStr length] > 0)
+		{
+			[invite addChild:[NSXMLElement elementWithName:@"reason" stringValue:inviteMessageStr]];
+		}
+		
+		NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:XMPPMUCUserNamespace];
+		[x addChild:invite];
+		
+		XMPPMessage *message = [XMPPMessage message];
+		[message addAttributeWithName:@"to" stringValue:[roomJID full]];
+		[message addChild:x];
+		
+		[xmppStream sendElement:message];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)sendMessage:(XMPPMessage *)message
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+				
+		[message addAttributeWithName:@"to" stringValue:[roomJID full]];
+		[message addAttributeWithName:@"type" stringValue:@"groupchat"];
+		
+		[xmppStream sendElement:message];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)sendMessageWithBody:(NSString *)messageBody
+{
+	if ([messageBody length] == 0) return;
+		
+	NSXMLElement *body = [NSXMLElement elementWithName:@"body" stringValue:messageBody];
+	
+	XMPPMessage *message = [XMPPMessage message];
+	[message addChild:body];
+	
+	[self sendMessage:message];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	state = kXMPPRoomStateNone;
+	
+	// Auto-rejoin?
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
+	{
+		return [responseTracker invokeForID:[iq elementID] withObject:iq];
+	}
+	
+	return NO;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPJID *from = [presence from];
+	
+	if (![roomJID isEqualToJID:from options:XMPPJIDCompareBare])
+	{
+		return; // Stanza isn't for our room
+	}
+	
+	XMPPLogTrace();
+	
+	[xmppRoomStorage handlePresence:presence room:self];
+	
+	// My presence:
+	// 
+	// <presence from='coven@chat.shakespeare.lit/thirdwitch'>
+	//   <x xmlns='http://jabber.org/protocol/muc#user'>
+	//     <item affiliation='member' role='participant'/>
+	//     <status code='110'/>
+	//     <status code='210'/>
+	//   </x>
+	// </presence>
+	// 
+	// 
+	// Another's presence:
+	// 
+	// <presence from='coven@chat.shakespeare.lit/firstwitch'>
+	//   <x xmlns='http://jabber.org/protocol/muc#user'>
+	//     <item affiliation='owner' role='moderator'/>
+	//   </x>
+	// </presence>
+	
+	NSXMLElement *x = [presence elementForName:@"x" xmlns:XMPPMUCUserNamespace];
+	
+	// Process status codes.
+	// 
+	// 110 - Inform user that presence refers to one of its own room occupants.
+	// 201 - Inform user that a new room has been created.
+	// 210 - Inform user that service has assigned or modified occupant's roomnick.
+	// 303 - Inform all occupants of new room nickname.
+	
+	BOOL isMyPresence = NO;
+	BOOL didCreateRoom = NO;
+	BOOL isNicknameChange = NO;
+	
+	for (NSXMLElement *status in [x elementsForName:@"status"])
+	{
+		switch ([status attributeIntValueForName:@"code"])
+		{
+			case 110 : isMyPresence = YES;     break;
+			case 201 : didCreateRoom = YES;    break;
+			case 210 :
+			case 303 : isNicknameChange = YES; break;
+		}
+	}
+	
+	// Extract presence type
+	
+	NSString *presenceType = [presence type];
+	
+	BOOL isAvailable   = [presenceType isEqualToString:@"available"];
+	BOOL isUnavailable = [presenceType isEqualToString:@"unavailable"];
+	
+	// Server's don't always properly send the statusCodes in every situation.
+	// So we have some extra checks to ensure the boolean variables are correct.
+	
+	if (didCreateRoom)
+	{
+		isMyPresence = YES;
+	}
+	if (!isMyPresence)
+	{
+		if ([[from resource] isEqualToString:myNickname])
+			isMyPresence = YES;
+	}
+	if (!isMyPresence && isNicknameChange && myOldNickname)
+	{
+		if ([[from resource] isEqualToString:myOldNickname]) {
+			isMyPresence = YES;
+			myOldNickname = nil;
+		}
+	}
+	
+	XMPPLogVerbose(@"%@[%@] - isMyPresence = %@", THIS_FILE, roomJID, (isMyPresence ? @"YES" : @"NO"));
+	XMPPLogVerbose(@"%@[%@] - didCreateRoom = %@", THIS_FILE, roomJID, (didCreateRoom ? @"YES" : @"NO"));
+	XMPPLogVerbose(@"%@[%@] - isNicknameChange = %@", THIS_FILE, roomJID, (isNicknameChange ? @"YES" : @"NO"));
+	
+	// Process presence
+	
+	if (didCreateRoom)
+	{
+		state |= kXMPPRoomStateCreated;
+		
+		[multicastDelegate xmppRoomDidCreate:self];
+	}
+	
+	if (isMyPresence)
+	{
+		if (isAvailable)
+		{
+			myRoomJID = from;
+			myNickname = [from resource];
+            
+			if (state & kXMPPRoomStateJoining)
+			{
+				state &= ~kXMPPRoomStateJoining;
+				state |=  kXMPPRoomStateJoined;
+				
+				if ([xmppRoomStorage respondsToSelector:@selector(handleDidJoinRoom:withNickname:)])
+					[xmppRoomStorage handleDidJoinRoom:self withNickname:myNickname];
+				[multicastDelegate xmppRoomDidJoin:self];
+			}
+		}
+		else if (isUnavailable && !isNicknameChange)
+		{
+			state = kXMPPRoomStateNone;
+			[responseTracker removeAllIDs];
+			
+			[xmppRoomStorage handleDidLeaveRoom:self];
+			[multicastDelegate xmppRoomDidLeave:self];
+		}
+	}
+	else
+	{
+		if (isAvailable)
+		{
+			[multicastDelegate xmppRoom:self occupantDidJoin:from withPresence:presence];
+		}
+		else if (isUnavailable)
+		{
+			[multicastDelegate xmppRoom:self occupantDidLeave:from withPresence:presence];
+		}
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPJID *from = [message from];
+	
+	if (![roomJID isEqualToJID:from options:XMPPJIDCompareBare])
+	{
+		return; // Stanza isn't for our room
+	}
+	
+	XMPPLogTrace();
+	
+	// Is this a message we need to store (a chat message)?
+	// 
+	// A message to all recipients MUST be of type groupchat.
+	// A message to an individual recipient would have a <body/>.
+	
+	BOOL isChatMessage;
+	
+	if ([from isFull])
+		isChatMessage = [message isGroupChatMessageWithBody];
+	else
+		isChatMessage = [message isMessageWithBody];
+	
+	if (isChatMessage)
+	{
+		[xmppRoomStorage handleIncomingMessage:message room:self];
+		[multicastDelegate xmppRoom:self didReceiveMessage:message fromOccupant:from];
+	}
+    else if ([message isGroupChatMessageWithSubject])
+    {
+        roomSubject = [message subject];
+    }
+	else
+	{
+		// Todo... Handle other types of messages.
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendMessage:(XMPPMessage *)message
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPJID *to = [message to];
+	
+	if (![roomJID isEqualToJID:to options:XMPPJIDCompareBare])
+	{
+		return; // Stanza isn't for our room
+	}
+	
+	XMPPLogTrace();
+	
+	// Is this a message we need to store (a chat message)?
+	// 
+	// A message to all recipients MUST be of type groupchat.
+	// A message to an individual recipient would have a <body/>.
+	
+	BOOL isChatMessage;
+	
+	if ([to isFull])
+		isChatMessage = [message isGroupChatMessageWithBody];
+	else
+		isChatMessage = [message isMessageWithBody];
+	
+	if (isChatMessage)
+	{
+		[xmppRoomStorage handleOutgoingMessage:message room:self];	
+	}
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	// This method is invoked on the moduleQueue.
+	
+	XMPPLogTrace();
+	
+	state = kXMPPRoomStateNone;
+	[responseTracker removeAllIDs];
+	
+	[xmppRoomStorage handleDidLeaveRoom:self];
+	[multicastDelegate xmppRoomDidLeave:self];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Class Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSXMLElement *)itemWithAffiliation:(NSString *)affiliation jid:(XMPPJID *)jid
+{
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	
+	if (affiliation)
+		[item addAttributeWithName:@"affiliation" stringValue:affiliation];
+	
+	if (jid)
+		[item addAttributeWithName:@"jid" stringValue:[jid full]];
+	
+	return item;
+}
+
++ (NSXMLElement *)itemWithRole:(NSString *)role jid:(XMPPJID *)jid
+{
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	
+	if (role)
+		[item addAttributeWithName:@"role" stringValue:role];
+	
+	if (jid)
+		[item addAttributeWithName:@"jid" stringValue:[jid full]];
+	
+	return item;
+}
+
+@end
diff --git a/Extensions/XEP-0045/XMPPRoomMessage.h b/Extensions/XEP-0045/XMPPRoomMessage.h
new file mode 100644
index 0000000..6b395ea
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPRoomMessage.h
@@ -0,0 +1,58 @@
+#import <Foundation/Foundation.h>
+
+@class XMPPJID;
+@class XMPPMessage;
+
+
+@protocol XMPPRoomMessage <NSObject>
+
+/**
+ * The raw message that was sent / received.
+**/
+- (XMPPMessage *)message;
+
+/**
+ * The JID of the MUC room.
+**/
+- (XMPPJID *)roomJID;
+
+/**
+ * Who sent the message.
+ * A typical MUC room jid is of the form "room_name@conference.domain.tld/some_nickname".
+**/
+- (XMPPJID *)jid;
+
+/**
+ * The nickname of the user who sent the message.
+ * This is a convenience method for [jid resource].
+**/
+- (NSString *)nickname;
+
+/**
+ * Convenience method to access the body of the message.
+**/
+- (NSString *)body;
+
+/**
+ * When the message was sent / received (as recorded by us).
+ * 
+ * If the message was originally sent by us, the localTimestamp is recorded automatically.
+ * If the message was received, the server may have included a delayed delivery date timestamp.
+ * This is the case when first joining a room, and downloading the discussion history.
+ * In such a case, the localTimestamp will be a reflection of the serverTimestamp.
+**/
+- (NSDate *)localTimestamp;
+
+/**
+ * When the message was sent / received (as recorded by the server).
+ * 
+ * Only set when the server includes a delayedDelivery timestamp within the message.
+**/
+- (NSDate *)remoteTimestamp;
+
+/**
+ * Whether or not the message was sent by us.
+**/
+- (BOOL)isFromMe;
+
+@end
diff --git a/Extensions/XEP-0045/XMPPRoomOccupant.h b/Extensions/XEP-0045/XMPPRoomOccupant.h
new file mode 100644
index 0000000..1e7e77b
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPRoomOccupant.h
@@ -0,0 +1,57 @@
+#import <Foundation/Foundation.h>
+
+@class XMPPJID;
+@class XMPPPresence;
+
+
+@protocol XMPPRoomOccupant <NSObject>
+
+/**
+ * Most recent presence message from occupant.
+**/
+- (XMPPPresence *)presence;
+
+/**
+ * The MUC room the occupant is associated with.
+**/
+- (XMPPJID *)roomJID;
+
+/**
+ * The JID of the occupant as reported by the room.
+ * A typical MUC room will use JIDs of the form: "room_name@conference.domain.tl/some_nickname".
+**/
+- (XMPPJID *)jid;
+
+/**
+ * The nickname of the user.
+ * In other words, the resource portion of the occupants JID.
+**/
+- (NSString *)nickname;
+
+/**
+ * The 'role' and 'affiliation' of the occupant within the MUC room.
+ * 
+ * From XEP-0045, Section 5 - Roles and Affiliations:
+ * 
+ * There are two dimensions along which we can measure a user's connection with or position in a room.
+ * One is the user's long-lived affiliation with a room -- e.g., a user's status as an owner or an outcast.
+ * The other is a user's role while an occupant of a room -- e.g., an occupant's position as a moderator with the
+ * ability to kick visitors and participants. These two dimensions are distinct from each other, since an affiliation
+ * lasts across visits, while a role lasts only for the duration of a visit. In addition, there is no one-to-one
+ * correspondence between roles and affiliations; for example, someone who is not affiliated with a room may be
+ * a (temporary) moderator, and a member may be a participant or a visitor in a moderated room.
+ * 
+ * For more information, please see XEP-0045.
+**/
+- (NSString *)role;
+- (NSString *)affiliation;
+
+/**
+ * If the MUC room is non-anonymous, the real JID of the user will be broadcast.
+ * 
+ * An anonymous room uses JID's of the form: "room_name@conference.domain.tld/some_nickname".
+ * A non-anonymous room also includes the occupants real full JID in the presence broadcast.
+**/
+- (XMPPJID *)realJID;
+
+@end
diff --git a/Extensions/XEP-0045/XMPPRoomPrivate.h b/Extensions/XEP-0045/XMPPRoomPrivate.h
new file mode 100644
index 0000000..0240f93
--- /dev/null
+++ b/Extensions/XEP-0045/XMPPRoomPrivate.h
@@ -0,0 +1,19 @@
+#import "XMPPRoom.h"
+
+
+@interface XMPPRoom (PrivateInternalAPI)
+
+/**
+ * XMPPRoomStorage classes may optionally use the same delegate(s) as their parent XMPPRoom.
+ * This method allows such storage classes to access the delegate(s).
+ * 
+ * Note: If the storage class operates on a different queue than its parent,
+ *       it MUST dispatch all calls to the multicastDelegate onto its parent's queue.
+ *       The parent's dispatch queue is passed in the configureWithParent:queue: method,
+ *       or may be obtained via the moduleQueue method below.
+**/
+- (GCDMulticastDelegate *)multicastDelegate;
+
+- (dispatch_queue_t)moduleQueue;
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/.xccurrentversion b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/.xccurrentversion
new file mode 100644
index 0000000..f9bae00
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/.xccurrentversion
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>_XCCurrentVersionName</key>
+	<string>XMPPvCard.xcdatamodel</string>
+</dict>
+</plist>
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/elements b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/elements
new file mode 100644
index 0000000..ff516d1
Binary files /dev/null and b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/elements differ
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/layout b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/layout
new file mode 100644
index 0000000..14125f8
Binary files /dev/null and b/Extensions/XEP-0054/CoreDataStorage/XMPPvCard.xcdatamodeld/XMPPvCard.xcdatamodel/layout differ
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.h b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.h
new file mode 100644
index 0000000..812f6c9
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.h
@@ -0,0 +1,20 @@
+//
+//  XMPPvCardAvatarCoreDataStorageObject.h
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+//  This class is so that we don't load the photoData each time we need to touch the XMPPvCardCoreDataStorageObject.
+
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+@class XMPPvCardCoreDataStorageObject;
+
+
+@interface XMPPvCardAvatarCoreDataStorageObject : NSManagedObject
+
+@property (nonatomic, strong) NSData * photoData;
+@property (nonatomic, strong) XMPPvCardCoreDataStorageObject * vCard;
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.m b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.m
new file mode 100644
index 0000000..b2bf002
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardAvatarCoreDataStorageObject.m
@@ -0,0 +1,17 @@
+//
+//  XMPPvCardAvatarCoreDataStorageObject.m
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import "XMPPvCardAvatarCoreDataStorageObject.h"
+#import "XMPPvCardCoreDataStorageObject.h"
+
+
+@implementation XMPPvCardAvatarCoreDataStorageObject
+
+@dynamic photoData;
+@dynamic vCard;
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.h b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.h
new file mode 100644
index 0000000..830251d
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.h
@@ -0,0 +1,47 @@
+//
+//  XMPPvCardCoreDataStorage.h
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPPCoreDataStorage.h"
+#import "XMPPvCardTempModule.h"
+#import "XMPPvCardAvatarModule.h"
+
+/**
+ * This class is an example implementation of XMPPCapabilitiesStorage using core data.
+ * You are free to substitute your own storage class.
+ **/
+
+@interface XMPPvCardCoreDataStorage : XMPPCoreDataStorage <
+XMPPvCardAvatarStorage,
+XMPPvCardTempModuleStorage
+> {
+	// Inherits protected variables from XMPPCoreDataStorage
+}
+
+/**
+ * XEP-0054 provides a mechanism for transmitting vCards via XMPP.
+ * Because the JID doesn't change very often and can be large with image data, 
+ * it is safe to persistently store the JID and wait for a user to explicity ask for an update, 
+ * or use XEP-0153 to monitor for JID changes.
+ * 
+ * For this reason, it is recommended you use this sharedInstance across all your xmppStreams.
+ * This way all streams can shared a knowledgebase concerning known JIDs and Avatar photos.
+ * 
+ * All other aspects of vCard handling (such as lookup failures, etc) are kept separate between streams.
+**/
++ (instancetype)sharedInstance;
+
+// 
+// This class inherits from XMPPCoreDataStorage.
+// 
+// Please see the XMPPCoreDataStorage header file for more information.
+// 
+
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.m b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.m
new file mode 100644
index 0000000..221073c
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorage.m
@@ -0,0 +1,235 @@
+//
+//  XMPPvCardCoreDataStorage.m
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import "XMPPvCardCoreDataStorage.h"
+#import "XMPPvCardCoreDataStorageObject.h"
+#import "XMPPvCardTempCoreDataStorageObject.h"
+#import "XMPPvCardAvatarCoreDataStorageObject.h"
+#import "XMPP.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+enum {
+  kXMPPvCardTempNetworkFetchTimeout = 10,
+};
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPvCardCoreDataStorage
+
+static XMPPvCardCoreDataStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPvCardCoreDataStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Setup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)configureWithParent:(XMPPvCardTempModule *)aParent queue:(dispatch_queue_t)queue
+{
+	return [super configureWithParent:aParent queue:queue];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Overrides
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)commonInit
+{
+    autoAllowExternalBinaryDataStorage = YES;
+    autoRecreateDatabaseFile = YES;
+    [super commonInit];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPvCardAvatarStorage protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSData *)photoDataForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	__block NSData *result;
+	
+	[self executeBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		result = vCard.photoData;
+	}];
+	
+	return result;
+}
+
+- (NSString *)photoHashForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream 
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	__block NSString *result;
+	
+	[self executeBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		result = vCard.photoHash;
+	}];
+	
+	return result;
+}
+
+- (void)clearvCardTempForJID:(XMPPJID *)jid  xmppStream:(XMPPStream *)stream
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		vCard.vCardTemp = nil;
+		vCard.lastUpdated = [NSDate date];
+	}];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPvCardTempModuleStorage protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPvCardTemp *)vCardTempForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	__block XMPPvCardTemp *result;
+	
+	[self executeBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		result = vCard.vCardTemp;
+	}];
+	
+	return result;
+}
+
+- (void)setvCardTemp:(XMPPvCardTemp *)vCardTemp forJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		vCard.waitingForFetch = @NO;
+		vCard.vCardTemp = vCardTemp;
+		
+		// Update photo and photo hash
+		vCard.photoData = vCardTemp.photo;
+		
+		vCard.lastUpdated = [NSDate date];
+	}];
+}
+
+- (XMPPvCardTemp *)myvCardTempForXMPPStream:(XMPPStream *)stream
+{
+    if(!stream) return nil;
+    
+    return [self vCardTempForJID:[[stream myJID] bareJID] xmppStream:stream];
+}
+
+- (BOOL)shouldFetchvCardTempForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	XMPPLogTrace();
+	
+	__block BOOL result;
+	
+	[self executeBlock:^{
+		
+		XMPPvCardCoreDataStorageObject *vCard;
+		vCard = [XMPPvCardCoreDataStorageObject fetchOrInsertvCardForJID:jid
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		BOOL waitingForFetch = [vCard.waitingForFetch boolValue];
+        
+        if(![stream isAuthenticated])
+        {
+            result = NO;
+		}
+        else if (!waitingForFetch)
+		{
+			vCard.waitingForFetch = @YES;
+			vCard.lastUpdated = [NSDate date];
+			
+			result = YES;
+		}
+		else if ([vCard.lastUpdated timeIntervalSinceNow] < -kXMPPvCardTempNetworkFetchTimeout)
+		{
+			// Our last request exceeded the timeout, send a new one
+			vCard.lastUpdated = [NSDate date];
+			
+			result = YES;
+		}
+		else
+		{
+			// We already have an outstanding request, no need to send another one.
+			result = NO;
+		}
+	}];
+	
+	return result;
+}
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.h b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.h
new file mode 100644
index 0000000..349925b
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.h
@@ -0,0 +1,73 @@
+//
+//  XMPPvCardCoreDataStorageObject.h
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+
+@class XMPPJID;
+@class XMPPvCardTemp;
+@class XMPPvCardTempCoreDataStorageObject;
+@class XMPPvCardAvatarCoreDataStorageObject;
+
+
+@interface XMPPvCardCoreDataStorageObject : NSManagedObject
+
+
+/*
+ *  User's JID, indexed for lookups
+ */
+@property (nonatomic, strong) NSString * jidStr;
+
+/*
+ *  User's photoHash used by XEP-0153
+ */
+@property (nonatomic, strong, readonly) NSString * photoHash;
+
+/*
+ *  The last time the record was modified, also used to determine if we need to fetch again
+ */
+@property (nonatomic, strong) NSDate * lastUpdated;
+
+
+/*
+ *  Flag indicating whether a get request is already pending, used in conjunction with lastUpdated
+ */
+@property (nonatomic, strong) NSNumber * waitingForFetch;
+
+
+/*
+ *  Relationship to the vCardTemp record.
+ *  We use a relationship, so the vCardTemp stays faulted until we really need it.
+ */
+@property (nonatomic, strong) XMPPvCardTempCoreDataStorageObject * vCardTempRel;
+
+
+/*
+ *  Relationship to the vCardAvatar record.
+ *  We use a relationship, so the vCardAvatar stays faulted until we really need it.
+ */
+@property (nonatomic, strong) XMPPvCardAvatarCoreDataStorageObject * vCardAvatarRel;
+
+
+/*
+ *  Accessor to retrieve photoData, so we can hide the underlying relationship implementation.
+ */
+@property (nonatomic, strong) NSData *photoData;
+
+
+/*
+ *  Accessor to retrieve vCardTemp, so we can hide the underlying relationship implementation.
+ */
+@property (nonatomic, strong) XMPPvCardTemp *vCardTemp;
+
+
++ (XMPPvCardCoreDataStorageObject *)fetchOrInsertvCardForJID:(XMPPJID *)jid
+                                      inManagedObjectContext:(NSManagedObjectContext *)moc;
+
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.m b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.m
new file mode 100755
index 0000000..cd9cea5
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardCoreDataStorageObject.m
@@ -0,0 +1,180 @@
+//
+//  XMPPvCardCoreDataStorageObject.m
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import "XMPPvCardCoreDataStorageObject.h"
+#import "XMPPvCardTempCoreDataStorageObject.h"
+#import "XMPPvCardAvatarCoreDataStorageObject.h"
+
+#import "XMPPJID.h"
+#import "XMPPStream.h"
+#import "NSNumber+XMPP.h"
+#import "NSData+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPvCardCoreDataStorageObject
+
++ (XMPPvCardCoreDataStorageObject *)fetchvCardForJID:(XMPPJID *)jid
+                              inManagedObjectContext:(NSManagedObjectContext *)moc
+{
+	NSString *entityName = NSStringFromClass([XMPPvCardCoreDataStorageObject class]);
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:entityName
+	                                          inManagedObjectContext:moc];
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"jidStr == %@", [jid bare]];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setIncludesPendingChanges:YES];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:nil];
+	
+	
+	return (XMPPvCardCoreDataStorageObject *)[results lastObject];
+}
+
+
++ (XMPPvCardCoreDataStorageObject *)insertEmptyvCardForJID:(XMPPJID *)jid
+                                    inManagedObjectContext:(NSManagedObjectContext *)moc
+{
+	NSString *entityName = NSStringFromClass([XMPPvCardCoreDataStorageObject class]);
+	
+	XMPPvCardCoreDataStorageObject *vCard = [NSEntityDescription insertNewObjectForEntityForName:entityName
+	                                                                      inManagedObjectContext:moc];
+	
+	vCard.jidStr = [jid bare];
+	return vCard;
+}
+
++ (XMPPvCardCoreDataStorageObject *)fetchOrInsertvCardForJID:(XMPPJID *)jid
+                                      inManagedObjectContext:(NSManagedObjectContext *)moc
+{
+	XMPPvCardCoreDataStorageObject *vCard = [self fetchvCardForJID:jid inManagedObjectContext:moc];
+	if (vCard == nil)
+	{
+		vCard = [self insertEmptyvCardForJID:jid inManagedObjectContext:moc];
+	}
+	
+	return vCard;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSManagedObject methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)awakeFromInsert
+{
+	[super awakeFromInsert];
+	[self setPrimitiveValue:[NSDate date] forKey:@"lastUpdated"];
+}
+
+
+- (void)willSave
+{
+	/*
+	if (![self isDeleted] && [self isUpdated]) {
+		[self setPrimitiveValue:[NSDate date] forKey:@"lastUpdated"];
+	}
+	*/
+	
+	[super willSave];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Getter/setter methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@dynamic jidStr;
+@dynamic photoHash;
+@dynamic lastUpdated;
+@dynamic waitingForFetch;
+@dynamic vCardTempRel;
+@dynamic vCardAvatarRel;
+
+
+- (NSData *)photoData {
+	return self.vCardAvatarRel.photoData;
+}
+
+
+- (void)setPhotoData:(NSData *)photoData
+{
+	if ([photoData length] == 0)
+	{
+		if (self.vCardAvatarRel != nil)
+		{
+			[[self managedObjectContext] deleteObject:self.vCardAvatarRel];
+			[self setPrimitiveValue:nil forKey:@"photoHash"];
+		}
+		
+		return;
+	}
+	
+	if (self.vCardAvatarRel == nil)
+	{
+		NSString *entityName = NSStringFromClass([XMPPvCardAvatarCoreDataStorageObject class]);
+		
+		self.vCardAvatarRel = [NSEntityDescription insertNewObjectForEntityForName:entityName
+		                                                    inManagedObjectContext:[self managedObjectContext]];
+	}
+	
+	[self willChangeValueForKey:@"photoData"];
+	self.vCardAvatarRel.photoData = photoData;
+	[self didChangeValueForKey:@"photoData"];
+	
+	[self setPrimitiveValue:[[photoData xmpp_sha1Digest] xmpp_hexStringValue] forKey:@"photoHash"];
+}
+
+
+- (XMPPvCardTemp *)vCardTemp {
+	return self.vCardTempRel.vCardTemp;
+}
+
+
+- (void)setVCardTemp:(XMPPvCardTemp *)vCardTemp
+{
+	if (vCardTemp == nil && self.vCardTempRel != nil)
+	{
+		[[self managedObjectContext] deleteObject:self.vCardTempRel];
+		
+		return;
+	}
+	
+	if (self.vCardTempRel == nil)
+	{
+		NSString *entityName = NSStringFromClass([XMPPvCardTempCoreDataStorageObject class]);
+		
+		self.vCardTempRel = [NSEntityDescription insertNewObjectForEntityForName:entityName
+		                                                  inManagedObjectContext:[self managedObjectContext]];
+	}
+	
+	[self willChangeValueForKey:@"vCardTemp"];
+	self.vCardTempRel.vCardTemp = vCardTemp;
+	[self didChangeValueForKey:@"vCardTemp"];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark KVO methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSSet *)keyPathsForValuesAffectingPhotoHash
+{
+	return [NSSet setWithObjects:@"vCardAvatarRel", @"photoData", nil];
+}
+
++ (NSSet *)keyPathsForValuesAffectingVCardTemp
+{
+	return [NSSet setWithObject:@"vCardTempRel"];
+}
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.h b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.h
new file mode 100644
index 0000000..2638c32
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.h
@@ -0,0 +1,23 @@
+//
+//  XMPPvCardTempCoreDataStorageObject.h
+//  XEP-0054 vCard-temp
+//
+//  Oringally created by Eric Chamberlain on 3/18/11.
+//
+//  This class is so that we don't load the vCardTemp each time we need to touch the XMPPvCardCoreDataStorageObject.
+//  The vCardTemp abstraction also makes it easier to eventually add support for vCard4 over XMPP (XEP-0292).
+
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPPvcardTemp.h"
+
+@class XMPPvCardCoreDataStorageObject;
+
+
+@interface XMPPvCardTempCoreDataStorageObject : NSManagedObject
+
+@property (nonatomic, strong) XMPPvCardTemp * vCardTemp;
+@property (nonatomic, strong) XMPPvCardCoreDataStorageObject * vCard;
+
+@end
diff --git a/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.m b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.m
new file mode 100644
index 0000000..7d9fe85
--- /dev/null
+++ b/Extensions/XEP-0054/CoreDataStorage/XMPPvCardTempCoreDataStorageObject.m
@@ -0,0 +1,17 @@
+//
+//  XMPPvCardTempCoreDataStorageObject.m
+//  XEP-0054 vCard-temp
+//
+//  Originally created by Eric Chamberlain on 3/18/11.
+//
+
+#import "XMPPvCardTempCoreDataStorageObject.h"
+#import "XMPPvCardCoreDataStorageObject.h"
+
+
+@implementation XMPPvCardTempCoreDataStorageObject
+
+@dynamic vCardTemp;
+@dynamic vCard;
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTemp.h b/Extensions/XEP-0054/XMPPvCardTemp.h
new file mode 100644
index 0000000..8e419d0
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTemp.h
@@ -0,0 +1,120 @@
+//
+//  XMPPvCardTemp.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+#import <CoreLocation/CoreLocation.h>
+
+#import "XMPPIQ.h"
+#import "XMPPJID.h"
+#import "XMPPUser.h"
+#import "XMPPvCardTempAdr.h"
+#import "XMPPvCardTempBase.h"
+#import "XMPPvCardTempEmail.h"
+#import "XMPPvCardTempLabel.h"
+#import "XMPPvCardTempTel.h"
+
+
+typedef enum _XMPPvCardTempClass {
+	XMPPvCardTempClassNone,
+	XMPPvCardTempClassPublic,
+	XMPPvCardTempClassPrivate,
+	XMPPvCardTempClassConfidential,
+} XMPPvCardTempClass;
+
+
+extern NSString *const kXMPPNSvCardTemp;
+extern NSString *const kXMPPvCardTempElement;
+
+
+/*
+ * Note: according to the DTD, every fields bar N and FN can appear multiple times.
+ * The provided accessors only support this for the field types where multiple
+ * entries make sense - for the others, if required, the NSXMLElement accessors
+ * must be used.
+ */
+@interface XMPPvCardTemp : XMPPvCardTempBase
+
+
+@property (nonatomic, strong) NSDate *bday;
+@property (nonatomic, strong) NSData *photo;
+@property (nonatomic, strong) NSString *nickname;
+@property (nonatomic, strong) NSString *formattedName;
+@property (nonatomic, strong) NSString *familyName;
+@property (nonatomic, strong) NSString *givenName;
+@property (nonatomic, strong) NSString *middleName;
+@property (nonatomic, strong) NSString *prefix;
+@property (nonatomic, strong) NSString *suffix;
+
+@property (nonatomic, strong) NSArray *addresses;
+@property (nonatomic, strong) NSArray *labels;
+@property (nonatomic, strong) NSArray *telecomsAddresses;
+@property (nonatomic, strong) NSArray *emailAddresses;
+
+@property (nonatomic, strong) XMPPJID *jid;
+@property (nonatomic, strong) NSString *mailer;
+
+@property (nonatomic, strong) NSTimeZone *timeZone;
+@property (nonatomic, strong) CLLocation *location;
+
+@property (nonatomic, strong) NSString *title;
+@property (nonatomic, strong) NSString *role;
+@property (nonatomic, strong) NSData *logo;
+@property (nonatomic, strong) XMPPvCardTemp *agent;
+@property (nonatomic, strong) NSString *orgName;
+
+/*
+ * ORGUNITs can only be set if there is already an ORGNAME. Otherwise, changes are ignored.
+ */
+@property (nonatomic, strong) NSArray *orgUnits;
+
+@property (nonatomic, strong) NSArray *categories;
+@property (nonatomic, strong) NSString *note;
+@property (nonatomic, strong) NSString *prodid;
+@property (nonatomic, strong) NSDate *revision;
+@property (nonatomic, strong) NSString *sortString;
+@property (nonatomic, strong) NSString *phoneticSound;
+@property (nonatomic, strong) NSData *sound;
+@property (nonatomic, strong) NSString *uid;
+@property (nonatomic, strong) NSString *url;
+@property (nonatomic, strong) NSString *version;
+@property (nonatomic, strong) NSString *desc;
+
+@property (nonatomic, assign) XMPPvCardTempClass privacyClass;
+@property (nonatomic, strong) NSData *key;
+@property (nonatomic, strong) NSString *keyType;
+
++ (XMPPvCardTemp *)vCardTempFromElement:(NSXMLElement *)element;
++ (XMPPvCardTemp *)vCardTemp;
++ (XMPPvCardTemp *)vCardTempSubElementFromIQ:(XMPPIQ *)iq;
++ (XMPPvCardTemp *)vCardTempCopyFromIQ:(XMPPIQ *)iq;
++ (XMPPIQ *)iqvCardRequestForJID:(XMPPJID *)jid;
+
+
+- (void)addAddress:(XMPPvCardTempAdr *)adr;
+- (void)removeAddress:(XMPPvCardTempAdr *)adr;
+- (void)clearAddresses;
+
+
+- (void)addLabel:(XMPPvCardTempLabel *)label;
+- (void)removeLabel:(XMPPvCardTempLabel *)label;
+- (void)clearLabels;
+
+
+- (void)addTelecomsAddress:(XMPPvCardTempTel *)tel;
+- (void)removeTelecomsAddress:(XMPPvCardTempTel *)tel;
+- (void)clearTelecomsAddresses;
+
+
+- (void)addEmailAddress:(XMPPvCardTempEmail *)email;
+- (void)removeEmailAddress:(XMPPvCardTempEmail *)email;
+- (void)clearEmailAddresses;
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTemp.m b/Extensions/XEP-0054/XMPPvCardTemp.m
new file mode 100644
index 0000000..db593f5
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTemp.m
@@ -0,0 +1,932 @@
+//
+//  XMPPvCardTemp.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTemp.h"
+#import "XMPPLogging.h"
+#import "XMPPDateTimeProfiles.h"
+#import "NSData+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_ERROR;
+#endif
+
+NSString *const kXMPPNSvCardTemp = @"vcard-temp";
+NSString *const kXMPPvCardTempElement = @"vCard";
+
+
+@implementation XMPPvCardTemp
+
+#if DEBUG
+
++ (void)initialize {
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPvCardTemp class]);
+	
+	if (superSize != ourSize)
+	{
+		XMPPLogError(@"Adding instance variables to XMPPvCardTemp is not currently supported!");
+		
+		[DDLog flushLog];
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPvCardTemp *)vCardTempFromElement:(NSXMLElement *)elem {
+	object_setClass(elem, [XMPPvCardTemp class]);
+	
+	return (XMPPvCardTemp *)elem;
+}
+
++ (XMPPvCardTemp *)vCardTemp{
+    NSXMLElement *vCardTempElement = [NSXMLElement elementWithName:kXMPPvCardTempElement xmlns:kXMPPNSvCardTemp];
+    return [XMPPvCardTemp vCardTempFromElement:vCardTempElement];
+}
+
++ (XMPPvCardTemp *)vCardTempSubElementFromIQ:(XMPPIQ *)iq
+{
+	if ([iq isResultIQ])
+	{
+		NSXMLElement *query = [iq elementForName:kXMPPvCardTempElement xmlns:kXMPPNSvCardTemp];
+		if (query)
+		{
+			return [self vCardTempFromElement:query];
+		}
+	}
+	
+	return nil;
+}
+
++ (XMPPvCardTemp *)vCardTempCopyFromIQ:(XMPPIQ *)iq
+{
+	return [[self vCardTempSubElementFromIQ:iq] copy];
+}
+
+
++ (XMPPIQ *)iqvCardRequestForJID:(XMPPJID *)jid {
+  XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:[jid bareJID] elementID:[XMPPStream generateUUID]];
+  NSXMLElement *vCardElem = [NSXMLElement elementWithName:kXMPPvCardTempElement xmlns:kXMPPNSvCardTemp];
+  
+  [iq addChild:vCardElem];
+  return iq;
+}
+
+
+#pragma mark -
+#pragma mark Identification Types
+
+
+- (NSDate *)bday {
+	NSDate *bday = nil;
+	NSXMLElement *elem = [self elementForName:@"BDAY"];
+	
+	if (elem != nil) {
+		bday = [NSDate dateWithXmppDateString:[elem stringValue]];
+	}
+	
+	return bday;
+}
+
+
+- (void)setBday:(NSDate *)bday {
+	NSXMLElement *elem = [self elementForName:@"BDAY"];
+  
+	if (elem == nil) {
+		elem = [NSXMLElement elementWithName:@"BDAY"];
+		[self addChild:elem];
+	}
+	
+	[elem setStringValue:[bday xmppDateString]];
+}
+
+
+- (NSData *)photo {
+	NSData *decodedData = nil;
+	NSXMLElement *photo = [self elementForName:@"PHOTO"];
+	
+	if (photo != nil) {
+		// There is a PHOTO element. It should have a TYPE and a BINVAL
+		//NSXMLElement *fileType = [photo elementForName:@"TYPE"];
+		NSXMLElement *binval = [photo elementForName:@"BINVAL"];
+		
+		if (binval) {
+			NSData *base64Data = [[binval stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+			decodedData = [base64Data xmpp_base64Decoded];
+		}
+	}
+	
+	return decodedData;
+}
+
+
+- (void)setPhoto:(NSData *)data {
+    
+    NSXMLElement *photo = [self elementForName:@"PHOTO"];
+    
+    if(photo)
+    {
+        [self removeChildAtIndex:[[self children] indexOfObject:photo]];
+    }
+    
+    if([data length])
+    {    
+        NSXMLElement *photo = [NSXMLElement elementWithName:@"PHOTO"];
+        [self addChild:photo];
+        
+        NSString *imageType = [data xmpp_imageType];
+        
+        if([imageType length])
+        {
+            NSXMLElement *type = [NSXMLElement elementWithName:@"TYPE"];
+            [photo addChild:type];
+            [type setStringValue:imageType];
+        }
+        
+        NSXMLElement *binval = [NSXMLElement elementWithName:@"BINVAL"];
+        [photo addChild:binval];
+        [binval setStringValue:[data xmpp_base64Encoded]];
+    }
+}
+
+
+- (NSString *)nickname {
+	return [[self elementForName:@"NICKNAME"] stringValue];
+}
+
+
+- (void)setNickname:(NSString *)nick {
+	XMPP_VCARD_SET_STRING_CHILD(nick, @"NICKNAME");
+}
+
+
+- (NSString *)formattedName {
+	return [[self elementForName:@"FN"] stringValue];
+}
+
+
+- (void)setFormattedName:(NSString *)fn {
+	XMPP_VCARD_SET_STRING_CHILD(fn, @"FN");
+}
+
+
+- (NSString *)familyName {
+	NSString *result = nil;
+	NSXMLElement *name = [self elementForName:@"N"];
+	
+	if (name != nil) {
+		NSXMLElement *part = [name elementForName:@"FAMILY"];
+		
+		if (part != nil) {
+			result = [part stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setFamilyName:(NSString *)family {
+	XMPP_VCARD_SET_N_CHILD(family, @"FAMILY");
+}
+
+
+- (NSString *)givenName {
+	NSString *result = nil;
+	NSXMLElement *name = [self elementForName:@"N"];
+	
+	if (name != nil) {
+		NSXMLElement *part = [name elementForName:@"GIVEN"];
+		
+		if (part != nil) {
+			result = [part stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setGivenName:(NSString *)given {
+	XMPP_VCARD_SET_N_CHILD(given, @"GIVEN");
+}
+
+
+- (NSString *)middleName {
+	NSString *result = nil;
+	NSXMLElement *name = [self elementForName:@"N"];
+	
+	if (name != nil) {
+		NSXMLElement *part = [name elementForName:@"MIDDLE"];
+		
+		if (part != nil) {
+			result = [part stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setMiddleName:(NSString *)middle {
+	XMPP_VCARD_SET_N_CHILD(middle, @"MIDDLE");
+}
+
+
+- (NSString *)prefix {
+	NSString *result = nil;
+	NSXMLElement *name = [self elementForName:@"N"];
+	
+	if (name != nil) {
+		NSXMLElement *part = [name elementForName:@"PREFIX"];
+		
+		if (part != nil) {
+			result = [part stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setPrefix:(NSString *)prefix {
+	XMPP_VCARD_SET_N_CHILD(prefix, @"PREFIX");
+}
+
+
+- (NSString *)suffix {
+	NSString *result = nil;
+	NSXMLElement *name = [self elementForName:@"N"];
+	
+	if (name != nil) {
+		NSXMLElement *part = [name elementForName:@"SUFFIX"];
+		
+		if (part != nil) {
+			result = [part stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setSuffix:(NSString *)suffix {
+	XMPP_VCARD_SET_N_CHILD(suffix, @"SUFFIX");
+}
+
+
+#pragma mark Delivery Addressing Types
+
+
+- (NSArray *)addresses { return nil; }
+- (void)addAddress:(XMPPvCardTempAdr *)adr { }
+- (void)removeAddress:(XMPPvCardTempAdr *)adr { }
+- (void)setAddresses:(NSArray *)adrs { }
+- (void)clearAddresses { }
+
+
+- (NSArray *)labels { return nil; }
+- (void)addLabel:(XMPPvCardTempLabel *)label { }
+- (void)removeLabel:(XMPPvCardTempLabel *)label { }
+- (void)setLabels:(NSArray *)labels { }
+- (void)clearLabels { }
+
+
+- (NSArray *)telecomsAddresses { return nil; }
+- (void)addTelecomsAddress:(XMPPvCardTempTel *)tel { }
+- (void)removeTelecomsAddress:(XMPPvCardTempTel *)tel { }
+- (void)setTelecomsAddresses:(NSArray *)tels { }
+- (void)clearTelecomsAddresses { }
+
+
+- (NSArray *)emailAddresses { return nil; }
+- (void)addEmailAddress:(XMPPvCardTempEmail *)email { }
+- (void)removeEmailAddress:(XMPPvCardTempEmail *)email { }
+- (void)setEmailAddresses:(NSArray *)emails { }
+- (void)clearEmailAddresses { }
+
+
+- (XMPPJID *)jid {
+	XMPPJID *jid = nil;
+	NSXMLElement *elem = [self elementForName:@"JABBERID"];
+	
+	if (elem != nil) {
+		jid = [XMPPJID jidWithString:[elem stringValue]];
+	}
+	
+	return jid;
+}
+
+
+- (void)setJid:(XMPPJID *)jid {
+	NSXMLElement *elem = [self elementForName:@"JABBERID"];
+	
+	if (elem == nil && jid != nil) {
+		elem = [NSXMLElement elementWithName:@"JABBERID"];
+		[self addChild:elem];
+	}
+	
+	if (jid != nil) {
+		[elem setStringValue:[jid full]];
+	} else if (elem != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+	}
+}
+
+
+- (NSString *)mailer {
+	return [[self elementForName:@"MAILER"] stringValue];
+}
+
+
+- (void)setMailer:(NSString *)mailer {
+	XMPP_VCARD_SET_STRING_CHILD(mailer, @"MAILER");
+}
+
+
+#pragma mark Geographical Types
+
+
+- (NSTimeZone *)timeZone {
+	// Turns out this is hard. Being lazy for now (not like anyone actually uses this, right?)
+	NSXMLElement *tz = [self elementForName:@"TZ"];
+	if (tz != nil) {
+		// This is unlikely to work. :-(
+		return [NSTimeZone timeZoneWithName:[tz stringValue]];
+	} else {
+		return nil;
+	}
+}
+
+
+- (void)setTimeZone:(NSTimeZone *)tz {
+	NSXMLElement *elem = [self elementForName:@"TZ"];
+  
+	if (elem == nil && tz != nil) {
+		elem = [NSXMLElement elementWithName:@"TZ"];
+		[self addChild:elem];
+	}
+	
+	if (tz != nil) {
+		NSInteger offset = [tz secondsFromGMT];
+		[elem setStringValue:[NSString stringWithFormat:@"%02ld:%02ld",
+							  (long)(offset / 3600), (long)((offset % 3600) / 60)]];
+	} else if (elem != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+	}
+}
+
+
+- (CLLocation *)location {
+	CLLocation *loc = nil;
+	NSXMLElement *geo = [self elementForName:@"GEO"];
+	
+	if (geo != nil) {
+		NSXMLElement *lat = [geo elementForName:@"LAT"];
+		NSXMLElement *lon = [geo elementForName:@"LON"];
+		
+		loc = [[CLLocation alloc] initWithLatitude:[[lat stringValue] doubleValue] longitude:[[lon stringValue] doubleValue]];
+	}
+	
+	return loc;
+}
+
+
+- (void)setLocation:(CLLocation *)geo {
+	NSXMLElement *elem = [self elementForName:@"GEO"];
+	NSXMLElement *lat;
+	NSXMLElement *lon;
+	
+	if (geo != nil) {
+		CLLocationCoordinate2D coord = [geo coordinate];
+		if (elem == nil) {
+			elem = [NSXMLElement elementWithName:@"GEO"];
+			[self addChild:elem];
+      
+			lat = [NSXMLElement elementWithName:@"LAT"];
+			[elem addChild:lat];
+			lon = [NSXMLElement elementWithName:@"LON"];
+			[elem addChild:lon];
+		} else {
+			lat = [elem elementForName:@"LAT"];
+			lon = [elem elementForName:@"LON"];
+		}
+    
+		[lat setStringValue:[NSString stringWithFormat:@"%.6f", coord.latitude]];
+		[lon setStringValue:[NSString stringWithFormat:@"%.6f", coord.longitude]];
+	} else if (elem != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+	}
+}
+
+
+#pragma mark Organizational Types
+
+
+- (NSString *)title {
+	return [[self elementForName:@"TITLE"] stringValue];
+}
+
+
+- (void)setTitle:(NSString *)title {
+	XMPP_VCARD_SET_STRING_CHILD(title, @"TITLE");
+}
+
+
+- (NSString *)role {
+	return [[self elementForName:@"ROLE"] stringValue];
+}
+
+
+- (void)setRole:(NSString *)role {
+	XMPP_VCARD_SET_STRING_CHILD(role, @"ROLE");
+}
+
+
+- (NSData *)logo {
+	NSData *decodedData = nil;
+	NSXMLElement *logo = [self elementForName:@"LOGO"];
+	
+	if (logo != nil) {
+		// There is a LOGO element. It should have a TYPE and a BINVAL
+		//NSXMLElement *fileType = [photo elementForName:@"TYPE"];
+		NSXMLElement *binval = [logo elementForName:@"BINVAL"];
+		
+		if (binval) {
+			NSData *base64Data = [[binval stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+			decodedData = [base64Data xmpp_base64Decoded];
+		}
+	}
+	
+	return decodedData;
+}
+
+
+- (void)setLogo:(NSData *)data {
+	NSXMLElement *logo = [self elementForName:@"LOGO"];
+	
+	if (logo == nil) {
+		logo = [NSXMLElement elementWithName:@"LOGO"];
+		[self addChild:logo];
+	}
+	
+	NSXMLElement *binval = [logo elementForName:@"BINVAL"];
+	
+	if (binval == nil) {
+		binval = [NSXMLElement elementWithName:@"BINVAL"];
+		[logo addChild:binval];
+	}
+	
+	[binval setStringValue:[data xmpp_base64Encoded]];
+}
+
+
+- (XMPPvCardTemp *)agent {
+	XMPPvCardTemp *agent = nil;
+	NSXMLElement *elem = [self elementForName:@"AGENT"];
+	
+	if (elem != nil) {
+		agent = [XMPPvCardTemp vCardTempFromElement:elem];
+	}
+	
+	return agent;
+}
+
+
+- (void)setAgent:(XMPPvCardTemp *)agent {
+	NSXMLElement *elem = [self elementForName:@"AGENT"];
+	
+	if (elem != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+	}
+	
+	if (agent != nil) {
+		[self addChild:agent];
+	}
+}
+
+
+- (NSString *)orgName {
+	NSString *result = nil;
+	NSXMLElement *org = [self elementForName:@"ORG"];
+	
+	if (org != nil) {
+		NSXMLElement *orgname = [org elementForName:@"ORGNAME"];
+		
+		if (orgname != nil) {
+			result = [orgname stringValue];
+		}
+	}
+	
+	return result;
+}
+
+
+- (void)setOrgName:(NSString *)orgname {
+	NSXMLElement *org = [self elementForName:@"ORG"];
+	NSXMLElement *elem = nil;
+  
+	if (orgname != nil) {
+		if (org == nil) {
+			org = [NSXMLElement elementWithName:@"ORG"];
+			[self addChild:org];
+		} else {
+			elem = [org elementForName:@"ORGNAME"];
+		}
+		
+		if (elem == nil) {
+			elem = [NSXMLElement elementWithName:@"ORGNAME"];
+			[org addChild:elem];
+		}
+		
+		[elem setStringValue:orgname];
+	} else if (org != nil) {
+		// This implicitly removes all orgunits too, as per the spec
+		[self removeChildAtIndex:[[self children] indexOfObject:org]];
+	}
+}
+
+
+- (NSArray *)orgUnits {
+	NSArray *result = nil;
+	NSXMLElement *org = [self elementForName:@"ORG"];
+	
+	if (org != nil) {
+		NSArray *elems = [org elementsForName:@"ORGUNIT"];
+		NSMutableArray *arr = [[NSMutableArray alloc] initWithCapacity:[elems count]];
+		
+		for (NSXMLElement *elem in elems) {
+			[arr addObject:[elem stringValue]];
+		}
+		
+		result = [NSArray arrayWithArray:arr];
+	}
+	
+	return result;
+}
+
+
+- (void)setOrgUnits:(NSArray *)orgunits {
+	NSXMLElement *org = [self elementForName:@"ORG"];
+	
+	// If there is no org, then there is nothing to do (need ORGNAME first)
+	if (org != nil) {
+		NSArray *elems = [org elementsForName:@"ORGUNIT"];
+		for (NSXMLElement *elem in elems) {
+			[org removeChildAtIndex:[[org children] indexOfObject:elem]];
+		}
+		
+		for (NSString *unit in orgunits) {
+			NSXMLElement *elem = [NSXMLElement elementWithName:@"ORGUNIT"];
+			[elem setStringValue:unit];
+			
+			[org addChild:elem];
+		}
+	}
+}
+
+
+#pragma mark Explanatory Types
+
+
+- (NSArray *)categories {
+	NSArray *result = nil;
+	NSXMLElement *categories = [self elementForName:@"CATEGORIES"];
+	
+	if (categories != nil) {
+		NSArray *elems = [categories elementsForName:@"KEYWORD"];
+		NSMutableArray *arr = [[NSMutableArray alloc] initWithCapacity:[elems count]];
+		
+		for (NSXMLElement *elem in elems) {
+			[arr addObject:[elem stringValue]];
+		}
+		
+		result = [NSArray arrayWithArray:arr];
+	}
+	
+	return result;
+}
+
+
+- (void)setCategories:(NSArray *)categories {
+	NSXMLElement *cat = [self elementForName:@"CATEGORIES"];
+	
+	if (categories != nil) {
+		if (cat == nil) {
+			cat = [NSXMLElement elementWithName:@"CATEGORIES"];
+			[self addChild:cat];
+		}
+		
+		NSArray *elems = [cat elementsForName:@"KEYWORD"];
+		for (NSXMLElement *elem in elems) {
+			[cat removeChildAtIndex:[[cat children] indexOfObject:elem]];
+		}
+		
+		for (NSString *kw in categories) {
+			NSXMLElement *elem = [NSXMLElement elementWithName:@"KEYWORD"];
+			[elem setStringValue:kw];
+			
+			[cat addChild:elem];
+		}
+	} else if (cat != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:cat]];
+	}
+}
+
+
+- (NSString *)note {
+	return [[self elementForName:@"NOTE"] stringValue];
+}
+
+
+- (void)setNote:(NSString *)note {
+	XMPP_VCARD_SET_STRING_CHILD(note, @"NOTE");
+}
+
+
+- (NSString *)prodid {
+	return [[self elementForName:@"PRODID"] stringValue];
+}
+
+
+- (void)setProdid:(NSString *)prodid {
+	XMPP_VCARD_SET_STRING_CHILD(prodid, @"PRODID");
+}
+
+
+- (NSDate *)revision {
+	NSDate *rev = nil;
+	NSXMLElement *elem = [self elementForName:@"REV"];
+	
+	if (elem != nil) {
+		rev = [NSDate dateWithXmppDateTimeString:[elem stringValue]];
+	}
+	
+	return rev;
+}
+
+
+- (void)setRevision:(NSDate *)rev {
+	NSXMLElement *elem = [self elementForName:@"REV"];
+	
+	if (elem == nil) {
+		elem = [NSXMLElement elementWithName:@"REV"];
+		[self addChild:elem];
+	}
+	
+	[elem setStringValue:[rev xmppDateTimeString]];
+}
+
+
+- (NSString *)sortString {
+	return [[self elementForName:@"SORT-STRING"] stringValue];
+}
+- (void)setSortString:(NSString *)sortString {
+	XMPP_VCARD_SET_STRING_CHILD(sortString, @"SORT-STRING");
+}
+
+
+- (NSString *)phoneticSound {
+	NSString *phon = nil;
+	NSXMLElement *sound = [self elementForName:@"SOUND"];
+	
+	if (sound != nil) {
+		NSXMLElement *elem = [sound elementForName:@"PHONETIC"];
+		
+		if (elem != nil) {
+			phon = [elem stringValue];
+		}
+	}
+	
+	return phon;
+}
+
+
+- (void)setPhoneticSound:(NSString *)phonetic {
+	NSXMLElement *sound = [self elementForName:@"SOUND"];
+	NSXMLElement *elem = nil;
+	
+	if (sound == nil && phonetic != nil) {
+		sound = [NSXMLElement elementWithName:@"SOUND"];
+		[self addChild:sound];
+	}
+	
+	if (sound != nil) {
+		elem = [sound elementForName:@"PHONETIC"];
+		
+		if (elem != nil && phonetic != nil) {
+			elem = [NSXMLElement elementWithName:@"PHONETIC"];
+			[sound addChild:elem];
+		}
+	}
+	
+	if (phonetic != nil) {
+		[elem setStringValue:phonetic];
+	} else if (sound != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:phonetic]];
+	}
+}
+
+
+- (NSData *)sound {
+	NSData *decodedData = nil;
+	NSXMLElement *sound = [self elementForName:@"SOUND"];
+	
+	if (sound != nil) {
+		NSXMLElement *binval = [sound elementForName:@"BINVAL"];
+		
+		if (binval) {
+			NSData *base64Data = [[binval stringValue] dataUsingEncoding:NSASCIIStringEncoding];
+			decodedData = [base64Data xmpp_base64Decoded];
+		}
+	}
+	
+	return decodedData;
+}
+
+
+- (void)setSound:(NSData *)data {
+	NSXMLElement *sound = [self elementForName:@"SOUND"];
+	
+	if (sound == nil) {
+		sound = [NSXMLElement elementWithName:@"SOUND"];
+		[self addChild:sound];
+	}
+	
+	NSXMLElement *binval = [sound elementForName:@"BINVAL"];
+	
+	if (binval == nil) {
+		binval = [NSXMLElement elementWithName:@"BINVAL"];
+		[sound addChild:binval];
+	}
+	
+	[binval setStringValue:[data xmpp_base64Encoded]];
+}
+
+
+- (NSString *)uid {
+	return [[self elementForName:@"UID"] stringValue];
+}
+
+
+- (void)setUid:(NSString *)uid {
+	XMPP_VCARD_SET_STRING_CHILD(uid, @"UID");
+}
+
+
+- (NSString *)url {
+	return [[self elementForName:@"URL"] stringValue];
+}
+
+
+- (void)setUrl:(NSString *)url {
+	XMPP_VCARD_SET_STRING_CHILD(url, @"URL");
+}
+
+
+- (NSString *)version {
+	return [self attributeStringValueForName:@"version"];
+}
+
+
+- (void)setVersion:(NSString *)version {
+	[self addAttributeWithName:@"version" stringValue:version];
+}
+
+
+- (NSString *)desc {
+	return [[self elementForName:@"DESC"] stringValue];
+}
+
+
+- (void)setDesc:(NSString *)desc {
+	XMPP_VCARD_SET_STRING_CHILD(desc, @"DESC");
+}
+
+
+#pragma mark Security Types
+
+
+- (XMPPvCardTempClass)privacyClass {
+	XMPPvCardTempClass priv = XMPPvCardTempClassNone;
+	NSXMLElement *elem = [self elementForName:@"CLASS"];
+	
+	if (elem != nil) {
+		if ([elem elementForName:@"PUBLIC"] != nil) {
+			priv = XMPPvCardTempClassPublic;
+		} else if ([elem elementForName:@"PRIVATE"] != nil) {
+			priv = XMPPvCardTempClassPrivate;
+		} else if ([elem elementForName:@"CONFIDENTIAL"] != nil) {
+			priv = XMPPvCardTempClassConfidential;
+		}
+	}
+	
+	return priv;
+}
+
+
+- (void)setPrivacyClass:(XMPPvCardTempClass)privacyClass {
+	NSXMLElement *elem = [self elementForName:@"CLASS"];
+  
+	if (elem == nil && privacyClass != XMPPvCardTempClassNone) {
+		elem = [NSXMLElement elementWithName:@"CLASS"];
+	}
+	
+	if (elem != nil) {
+		for (NSString *cls in @[@"PUBLIC", @"PRIVATE", @"CONFIDENTIAL"]) {
+			NSXMLElement *priv = [elem elementForName:cls];
+			if (priv != nil) {
+				[elem removeChildAtIndex:[[elem children] indexOfObject:priv]];
+			}
+		}
+		
+		switch (privacyClass) {
+			case XMPPvCardTempClassPublic:
+				[elem addChild:[NSXMLElement elementWithName:@"PUBLIC"]];
+				break;
+			case XMPPvCardTempClassPrivate:
+				[elem addChild:[NSXMLElement elementWithName:@"PRIVATE"]];
+				break;
+			case XMPPvCardTempClassConfidential:
+				[elem addChild:[NSXMLElement elementWithName:@"CONFIDENTIAL"]];
+				break;
+			default:
+			case XMPPvCardTempClassNone:
+				// Remove the whole element
+				[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+				break;
+		}
+	}
+}
+
+
+- (NSData *)key { return nil; }
+- (void)setKey:(NSData *)key { }
+
+
+- (NSString *)keyType {
+	NSString *typ = nil;
+	NSXMLElement *key = [self elementForName:@"KEY"];
+	
+	if (key != nil) {
+		NSXMLElement *elem = [key elementForName:@"TYPE"];
+		
+		if (elem != nil) {
+			typ = [elem stringValue];
+		}
+	}
+	
+	return typ;
+}
+
+
+- (void)setKeyType:(NSString *)type {
+	NSXMLElement *key = [self elementForName:@"KEY"];
+	NSXMLElement *elem = nil;
+	
+	if (key == nil && type != nil) {
+		key = [NSXMLElement elementWithName:@"KEY"];
+		[self addChild:key];
+	}
+	
+	if (key != nil) {
+		elem = [key elementForName:@"TYPE"];
+		
+		if (elem != nil && type != nil) {
+			elem = [NSXMLElement elementWithName:@"TYPE"];
+			[key addChild:elem];
+		}
+	}
+	
+	if (type != nil) {
+		[elem setStringValue:type];
+	} else if (key != nil) {
+		[self removeChildAtIndex:[[self children] indexOfObject:key]];
+	}
+}
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempAdr.h b/Extensions/XEP-0054/XMPPvCardTempAdr.h
new file mode 100644
index 0000000..212a38a
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempAdr.h
@@ -0,0 +1,28 @@
+//
+//  XMPPvCardTempAdr.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPvCardTempAdrTypes.h"
+
+
+@interface XMPPvCardTempAdr : XMPPvCardTempAdrTypes
+
++ (XMPPvCardTempAdr *)vCardAdrFromElement:(NSXMLElement *)elem;
+
+@property (nonatomic, weak) NSString *pobox;
+@property (nonatomic, weak) NSString *extendedAddress;
+@property (nonatomic, weak) NSString *street;
+@property (nonatomic, weak) NSString *locality;
+@property (nonatomic, weak) NSString *region;
+@property (nonatomic, weak) NSString *postalCode;
+@property (nonatomic, weak) NSString *country;
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempAdr.m b/Extensions/XEP-0054/XMPPvCardTempAdr.m
new file mode 100644
index 0000000..24eb38f
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempAdr.m
@@ -0,0 +1,136 @@
+//
+//  XMPPvCardTempAdr.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTempAdr.h"
+#import "XMPPLogging.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_ERROR;
+#endif
+
+
+@implementation XMPPvCardTempAdr
+
+#if DEBUG
+
++ (void)initialize
+{
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPvCardTempAdr class]);
+	
+	if (superSize != ourSize)
+	{
+		XMPPLogError(@"Adding instance variables to XMPPvCardTempAdr is not currently supported!");
+		
+		[DDLog flushLog];
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPvCardTempAdr *)vCardAdrFromElement:(NSXMLElement *)elem {
+	object_setClass(elem, [XMPPvCardTempAdr class]);
+  
+	return (XMPPvCardTempAdr *)elem;
+}
+
+
+#pragma mark -
+#pragma mark Getter/setter methods
+
+
+- (NSString *)pobox {
+	return [[self elementForName:@"POBOX"] stringValue];
+}
+
+
+- (void)setPobox:(NSString *)pobox {
+	XMPP_VCARD_SET_STRING_CHILD(pobox, @"POBOX");
+}
+
+
+- (NSString *)extendedAddress {
+	return [[self elementForName:@"EXTADD"] stringValue];
+}
+
+
+- (void)setExtendedAddress:(NSString *)extadd {
+	XMPP_VCARD_SET_STRING_CHILD(extadd, @"EXTADD");
+}	
+
+
+- (NSString *)street {
+	return [[self elementForName:@"STREET"] stringValue];
+}
+
+
+- (void)setStreet:(NSString *)street {
+	XMPP_VCARD_SET_STRING_CHILD(street, @"STREET");
+}
+
+
+- (NSString *)locality {
+	return [[self elementForName:@"LOCALITY"] stringValue];
+}
+
+
+- (void)setLocality:(NSString *)locality {
+	XMPP_VCARD_SET_STRING_CHILD(locality, @"LOCALITY");
+}
+
+
+- (NSString *)region {
+	return [[self elementForName:@"REGION"] stringValue];
+}
+
+
+- (void)setRegion:(NSString *)region {
+	XMPP_VCARD_SET_STRING_CHILD(region, @"REGION");
+}
+
+
+- (NSString *)postalCode {
+	return [[self elementForName:@"PCODE"] stringValue];
+}
+
+
+- (void)setPostalCode:(NSString *)pcode {
+	XMPP_VCARD_SET_STRING_CHILD(pcode, @"PCODE");
+}
+
+
+- (NSString *)country {
+	return [[self elementForName:@"CTRY"] stringValue];
+}
+
+
+- (void)setCountry:(NSString *)ctry {
+	XMPP_VCARD_SET_STRING_CHILD(ctry, @"CTRY");
+}
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempAdrTypes.h b/Extensions/XEP-0054/XMPPvCardTempAdrTypes.h
new file mode 100644
index 0000000..db2b481
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempAdrTypes.h
@@ -0,0 +1,28 @@
+//
+//  XMPPvCardTempAdrTypes.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPvCardTempBase.h"
+
+
+@interface XMPPvCardTempAdrTypes : XMPPvCardTempBase
+
+
+@property (nonatomic, assign, setter=setHome:) BOOL isHome;
+@property (nonatomic, assign, setter=setWork:) BOOL isWork;
+@property (nonatomic, assign, setter=setParcel:) BOOL isParcel;
+@property (nonatomic, assign, setter=setPostal:) BOOL isPostal;
+@property (nonatomic, assign, setter=setDomestic:) BOOL isDomestic;
+@property (nonatomic, assign, setter=setInternational:) BOOL isInternational;
+@property (nonatomic, assign, setter=setPreferred:) BOOL isPreferred;
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempAdrTypes.m b/Extensions/XEP-0054/XMPPvCardTempAdrTypes.m
new file mode 100644
index 0000000..02e5924
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempAdrTypes.m
@@ -0,0 +1,103 @@
+//
+//  XMPPvCardTempAdrTypes.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTempAdrTypes.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPvCardTempAdrTypes
+
+
+#pragma mark -
+#pragma mark Getter/setter methods
+
+
+- (BOOL)isHome {
+	return [self elementForName:@"HOME"] != nil;
+}
+
+
+- (void)setHome:(BOOL)home {
+	XMPP_VCARD_SET_EMPTY_CHILD(home && ![self isHome], @"HOME");
+}
+
+
+- (BOOL)isWork {
+	return [self elementForName:@"WORK"] != nil;
+}
+
+
+- (void)setWork:(BOOL)work {
+	XMPP_VCARD_SET_EMPTY_CHILD(work && ![self isWork], @"WORK");
+}
+
+
+- (BOOL)isParcel {
+	return [self elementForName:@"PARCEL"] != nil;
+}
+
+
+- (void)setParcel:(BOOL)parcel {
+	XMPP_VCARD_SET_EMPTY_CHILD(parcel && ![self isParcel], @"PARCEL");
+}
+
+
+- (BOOL)isPostal {
+	return [self elementForName:@"POSTAL"] != nil;
+}
+
+
+- (void)setPostal:(BOOL)postal {
+	XMPP_VCARD_SET_EMPTY_CHILD(postal && ![self isPostal], @"POSTAL");
+}
+
+
+- (BOOL)isDomestic {
+	return [self elementForName:@"DOM"] != nil;
+}
+
+
+- (void)setDomestic:(BOOL)dom {
+	XMPP_VCARD_SET_EMPTY_CHILD(dom && ![self isDomestic], @"DOM");
+	// INTL and DOM are mutually exclusive
+	if (dom) {
+		[self setInternational:NO];
+	}
+}
+
+
+- (BOOL)isInternational {
+	return [self elementForName:@"INTL"] != nil;
+}
+
+
+- (void)setInternational:(BOOL)intl {
+	XMPP_VCARD_SET_EMPTY_CHILD(intl && ![self isInternational], @"INTL");
+	// INTL and DOM are mutually exclusive
+	if (intl) {
+		[self setDomestic:NO];
+	}
+}
+
+
+- (BOOL)isPreferred {
+	return [self elementForName:@"PREF"] != nil;
+}
+
+
+- (void)setPreferred:(BOOL)pref {
+	XMPP_VCARD_SET_EMPTY_CHILD(pref && ![self isPreferred], @"PREF");
+}
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempBase.h b/Extensions/XEP-0054/XMPPvCardTempBase.h
new file mode 100644
index 0000000..588dc88
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempBase.h
@@ -0,0 +1,69 @@
+//
+//  XMPPvCardTempBase.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+#import "NSXMLElement+XMPP.h"
+
+
+#define XMPP_VCARD_SET_EMPTY_CHILD(Set, Name)                                                   \
+	if (Set) {                                                                                  \
+		[self addChild:[NSXMLElement elementWithName:(Name)]];                                  \
+	}                                                                                           \
+	else if (!(Set)) {                                                                          \
+		[self removeChildAtIndex:[[self children] indexOfObject:[self elementForName:(Name)]]]; \
+	}
+
+
+#define XMPP_VCARD_SET_STRING_CHILD(Value, Name)						\
+	NSXMLElement *elem = [self elementForName:(Name)];					\
+	if ((Value) != nil)                                                 \
+	{                                                                   \
+		if (elem == nil) {												\
+			elem = [NSXMLElement elementWithName:(Name)];				\
+            [self addChild:elem];                                       \
+		}                                                               \
+		[elem setStringValue:(Value)];									\
+	}                                                                   \
+	else if (elem != nil) {											    \
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];	\
+	}
+
+
+#define XMPP_VCARD_SET_N_CHILD(Value, Name)								\
+	NSXMLElement *name = [self elementForName:@"N"];					\
+	if ((Value) != nil && name == nil)                                  \
+	{                                                                   \
+		name = [NSXMLElement elementWithName:@"N"];						\
+		[self addChild:name];											\
+	}																	\
+                                                                        \
+	NSXMLElement *part = [name elementForName:(Name)];					\
+	if ((Value) != nil && part == nil)                                  \
+	{								                                    \
+		part = [NSXMLElement elementWithName:(Name)];					\
+		[name addChild:part];											\
+	}																	\
+	                                                                    \
+	if (Value)                                                          \
+	{                                                                   \
+		[part setStringValue:(Value)];									\
+	}                                                                   \
+	else if (part != nil)                                               \
+	{                                                                   \
+		/* N is mandatory, so we leave it in. */						\
+		[name removeChildAtIndex:[[self children] indexOfObject:part]];	\
+	}
+
+
+@interface XMPPvCardTempBase : NSXMLElement <NSSecureCoding, NSCopying> {
+
+}
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempBase.m b/Extensions/XEP-0054/XMPPvCardTempBase.m
new file mode 100644
index 0000000..777328c
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempBase.m
@@ -0,0 +1,102 @@
+//
+//  XMPPvCardTempBase.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+#import "XMPPvCardTempBase.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@implementation XMPPvCardTempBase
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+#pragma mark NSCoding protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+    NSString *xmlString;
+    if([coder allowsKeyedCoding])
+    {
+        if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+           [coder requiresSecureCoding])
+        {
+            xmlString = [coder decodeObjectOfClass:[NSString class] forKey:@"xmlString"];
+        }
+        else
+        {
+            xmlString = [coder decodeObjectForKey:@"xmlString"];
+        }
+    }
+    else
+    {
+        xmlString = [coder decodeObject];
+    }
+	
+	// The method [super initWithXMLString:error:] may return a different self.
+	// In other words, it may [self release], and alloc/init/return a new self.
+	// 
+	// So to maintain the proper class (XMPPvCardTempEmail, XMPPvCardTempTel, etc)
+	// we need to get a reference to the class before invoking super.
+	
+	Class selfClass = [self class];
+	
+	if ((self = [super initWithXMLString:xmlString error:nil]))
+	{
+		object_setClass(self, selfClass);
+	}
+	return self;
+}
+
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	NSString *xmlString = [self XMLString];
+	
+	if([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:xmlString forKey:@"xmlString"];
+	}
+	else
+	{
+		[coder encodeObject:xmlString];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	NSXMLElement *elementCopy = [super copyWithZone:zone];
+	object_setClass(elementCopy, [self class]);
+	
+	return elementCopy;
+}
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempEmail.h b/Extensions/XEP-0054/XMPPvCardTempEmail.h
new file mode 100644
index 0000000..214efff
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempEmail.h
@@ -0,0 +1,29 @@
+//
+//  XMPPvCardTempEmail.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPvCardTempBase.h"
+
+
+@interface XMPPvCardTempEmail : XMPPvCardTempBase
+
++ (XMPPvCardTempEmail *)vCardEmailFromElement:(NSXMLElement *)elem;
+
+@property (nonatomic, assign, setter=setHome:)      BOOL isHome;
+@property (nonatomic, assign, setter=setWork:)      BOOL isWork;
+@property (nonatomic, assign, setter=setInternet:)  BOOL isInternet;
+@property (nonatomic, assign, setter=setX400:)      BOOL isX400;
+@property (nonatomic, assign, setter=setPreferred:) BOOL isPreferred;
+
+@property (nonatomic, weak) NSString *userid;
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempEmail.m b/Extensions/XEP-0054/XMPPvCardTempEmail.m
new file mode 100644
index 0000000..f3dd91e
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempEmail.m
@@ -0,0 +1,125 @@
+//
+//  XMPPvCardTempEmail.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTempEmail.h"
+#import "XMPPLogging.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_ERROR;
+#endif
+
+
+@implementation XMPPvCardTempEmail
+
+#if DEBUG
+
++ (void)initialize {
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPvCardTempEmail class]);
+	
+	if (superSize != ourSize)
+	{
+		XMPPLogError(@"Adding instance variables to XMPPvCardTempEmail is not currently supported!");
+		
+		[DDLog flushLog];
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPvCardTempEmail *)vCardEmailFromElement:(NSXMLElement *)elem {
+	object_setClass(elem, [XMPPvCardTempEmail class]);
+	
+	return (XMPPvCardTempEmail *)elem;
+}
+
+
+#pragma mark -
+#pragma mark Getter/setter methods
+
+
+- (BOOL)isHome {
+	return [self elementForName:@"HOME"] != nil;
+}
+
+
+- (void)setHome:(BOOL)home {
+	XMPP_VCARD_SET_EMPTY_CHILD(home && ![self isHome], @"HOME");
+}
+
+
+- (BOOL)isWork {
+	return [self elementForName:@"WORK"] != nil;
+}
+
+
+- (void)setWork:(BOOL)work {
+	XMPP_VCARD_SET_EMPTY_CHILD(work && ![self isWork], @"WORK");
+}
+
+
+- (BOOL)isInternet {
+	return [self elementForName:@"INTERNET"] != nil;
+}
+
+
+- (void)setInternet:(BOOL)internet {
+	XMPP_VCARD_SET_EMPTY_CHILD(internet && ![self isInternet], @"INTERNET");
+}
+
+
+- (BOOL)isX400 {
+	return [self elementForName:@"X400"] != nil;
+}
+
+
+- (void)setX400:(BOOL)x400 {
+	XMPP_VCARD_SET_EMPTY_CHILD(x400 && ![self isX400], @"X400");
+}
+
+
+- (BOOL)isPreferred {
+	return [self elementForName:@"PREF"] != nil;
+}
+
+
+- (void)setPreferred:(BOOL)pref {
+	XMPP_VCARD_SET_EMPTY_CHILD(pref && ![self isPreferred], @"PREF");
+}
+
+
+- (NSString *)userid {
+	return [[self elementForName:@"USERID"] stringValue];
+}
+
+
+- (void)setUserid:(NSString *)userid {
+	XMPP_VCARD_SET_STRING_CHILD(userid, @"USERID");
+}
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempLabel.h b/Extensions/XEP-0054/XMPPvCardTempLabel.h
new file mode 100644
index 0000000..3924061
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempLabel.h
@@ -0,0 +1,25 @@
+//
+//  XMPPvCardTempLabel.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPvCardTempAdrTypes.h"
+
+
+@interface XMPPvCardTempLabel : XMPPvCardTempAdrTypes
+
+
+@property (nonatomic, weak) NSArray *lines;
+
+
++ (XMPPvCardTempLabel *)vCardLabelFromElement:(NSXMLElement *)elem;
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempLabel.m b/Extensions/XEP-0054/XMPPvCardTempLabel.m
new file mode 100644
index 0000000..2e4875c
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempLabel.m
@@ -0,0 +1,93 @@
+//
+//  XMPPvCardTempLabel.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTempLabel.h"
+#import "XMPPLogging.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_ERROR;
+#endif
+
+
+@implementation XMPPvCardTempLabel
+
+#if DEBUG
+
++ (void)initialize {
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPvCardTempLabel class]);
+	
+	if (superSize != ourSize)
+	{
+		XMPPLogError(@"Adding instance variables to XMPPvCardTempLabel is not currently supported!");
+		
+		[DDLog flushLog];
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPvCardTempLabel *)vCardLabelFromElement:(NSXMLElement *)elem {
+	object_setClass(elem, [XMPPvCardTempLabel class]);
+	
+	return (XMPPvCardTempLabel *)elem;
+}
+
+
+#pragma mark -
+#pragma mark Getter/setter methods
+
+
+- (NSArray *)lines {
+	NSArray *elems = [self elementsForName:@"LINE"];
+	NSMutableArray *lines = [[NSMutableArray alloc] initWithCapacity:[elems count]];
+	
+	for (NSXMLElement *elem in elems) {
+		[lines addObject:[elem stringValue]];
+	}
+	
+	NSArray *result = [NSArray arrayWithArray:lines];
+	return result;
+}
+
+
+- (void)setLines:(NSArray *)lines {
+	NSArray *elems = [self elementsForName:@"LINE"];
+	
+	for (NSXMLElement *elem in elems) {
+		[self removeChildAtIndex:[[self children] indexOfObject:elem]];
+	}
+	
+	for (NSString *line in lines) {
+		NSXMLElement *elem = [NSXMLElement elementWithName:@"LINE"];
+		[elem setStringValue:line];
+		[self addChild:elem];
+	}
+}
+
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempModule.h b/Extensions/XEP-0054/XMPPvCardTempModule.h
new file mode 100755
index 0000000..01c1bc0
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempModule.h
@@ -0,0 +1,117 @@
+//
+//  XMPPvCardTempModule.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/17/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+@class XMPPvCardTemp;
+@class XMPPIDTracker;
+
+#define _XMPP_VCARD_TEMP_MODULE_H
+
+@protocol XMPPvCardTempModuleStorage;
+
+
+@interface XMPPvCardTempModule : XMPPModule
+{
+	id <XMPPvCardTempModuleStorage> __strong _xmppvCardTempModuleStorage;
+    XMPPIDTracker *_myvCardTracker;
+}
+
+
+@property(nonatomic, strong, readonly) id <XMPPvCardTempModuleStorage> xmppvCardTempModuleStorage;
+@property(nonatomic, strong, readonly) XMPPvCardTemp *myvCardTemp;
+
+- (id)initWithvCardStorage:(id <XMPPvCardTempModuleStorage>)storage;
+- (id)initWithvCardStorage:(id <XMPPvCardTempModuleStorage>)storage dispatchQueue:(dispatch_queue_t)queue;
+
+/**
+ * Fetches the vCardTemp for the given JID if it is not in the storage
+**/
+- (void)fetchvCardTempForJID:(XMPPJID *)jid;
+
+/**
+ * Fetches the vCardTemp for the given JID, optionally ignoring the storage
+**/
+- (void)fetchvCardTempForJID:(XMPPJID *)jid ignoreStorage:(BOOL)ignoreStorage;
+
+/**
+ * Returns the vCardTemp for the given JID, this is the equivalent of calling the vCardTempForJID:xmppStream: on the moduleStorage
+ * If there is no vCardTemp in the storage for the given jid and shouldFetch is YES, it will automatically fetch it from the network
+**/
+- (XMPPvCardTemp *)vCardTempForJID:(XMPPJID *)jid shouldFetch:(BOOL)shouldFetch;
+
+/**
+ * Updates myvCard in storage and sends it to the server
+**/
+- (void)updateMyvCardTemp:(XMPPvCardTemp *)vCardTemp;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPvCardTempModuleDelegate
+@optional
+
+- (void)xmppvCardTempModule:(XMPPvCardTempModule *)vCardTempModule 
+        didReceivevCardTemp:(XMPPvCardTemp *)vCardTemp 
+                     forJID:(XMPPJID *)jid;
+
+- (void)xmppvCardTempModuleDidUpdateMyvCard:(XMPPvCardTempModule *)vCardTempModule;
+
+- (void)xmppvCardTempModule:(XMPPvCardTempModule *)vCardTempModule failedToUpdateMyvCard:(NSXMLElement *)error;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPvCardTempModuleStorage <NSObject>
+
+/**
+ * Configures the storage class, passing its parent and parent's dispatch queue.
+ * 
+ * This method is called by the init methods of the XMPPvCardTempModule class.
+ * This method is designed to inform the storage class of its parent
+ * and of the dispatch queue the parent will be operating on.
+ * 
+ * The storage class may choose to operate on the same queue as its parent,
+ * or it may operate on its own internal dispatch queue.
+ * 
+ * This method should return YES if it was configured properly.
+ * The parent class is configured to ignore the passed
+ * storage class in its init method if this method returns NO.
+**/
+- (BOOL)configureWithParent:(XMPPvCardTempModule *)aParent queue:(dispatch_queue_t)queue;
+
+/**
+ * Returns a vCardTemp object or nil
+**/
+- (XMPPvCardTemp *)vCardTempForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Used to set the vCardTemp object when we get it from the XMPP server.
+**/
+- (void)setvCardTemp:(XMPPvCardTemp *)vCardTemp forJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Returns My vCardTemp object or nil
+**/
+- (XMPPvCardTemp *)myvCardTempForXMPPStream:(XMPPStream *)stream;
+
+/**
+ * Asks the backend if we should fetch the vCardTemp from the network.
+ * This is used so that we don't request the vCardTemp multiple times.
+**/
+- (BOOL)shouldFetchvCardTempForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempModule.m b/Extensions/XEP-0054/XMPPvCardTempModule.m
new file mode 100755
index 0000000..38d5021
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempModule.m
@@ -0,0 +1,286 @@
+//
+//  XMPPvCardTempModule.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/17/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//
+
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPvCardTempModule.h"
+#import "XMPPvCardTemp.h"
+#import "XMPPIDTracker.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPvCardTempModule()
+
+- (void)_updatevCardTemp:(XMPPvCardTemp *)vCardTemp forJID:(XMPPJID *)jid;
+- (void)_fetchvCardTempForJID:(XMPPJID *)jid;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPvCardTempModule
+
+@synthesize xmppvCardTempModuleStorage = _xmppvCardTempModuleStorage;
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPvCardTempModule.h are supported.
+	
+	return [self initWithvCardStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPvCardTempModule.h are supported.
+	
+	return [self initWithvCardStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithvCardStorage:(id <XMPPvCardTempModuleStorage>)storage
+{
+	return [self initWithvCardStorage:storage dispatchQueue:NULL];
+}
+
+- (id)initWithvCardStorage:(id <XMPPvCardTempModuleStorage>)storage dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(storage != nil);
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([storage configureWithParent:self queue:moduleQueue])
+		{
+			_xmppvCardTempModuleStorage = storage;
+		}
+		else
+		{
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		// Custom code goes here (if needed)
+		
+        _myvCardTracker = [[XMPPIDTracker alloc] initWithStream:xmppStream dispatchQueue:moduleQueue];
+
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	// Custom code goes here (if needed)
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[_myvCardTracker removeAllIDs];
+		_myvCardTracker = nil;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	[super deactivate];
+}
+
+- (void)dealloc
+{
+	_xmppvCardTempModuleStorage = nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Fetch vCardTemp methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)fetchvCardTempForJID:(XMPPJID *)jid
+{
+	return [self fetchvCardTempForJID:jid ignoreStorage:NO];
+}
+
+- (void)fetchvCardTempForJID:(XMPPJID *)jid ignoreStorage:(BOOL)ignoreStorage
+{	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPvCardTemp *vCardTemp = nil;
+		
+		if (!ignoreStorage)
+		{
+			// Try loading from storage
+			vCardTemp = [_xmppvCardTempModuleStorage vCardTempForJID:jid xmppStream:xmppStream];
+		}
+		
+		if (vCardTemp == nil && [_xmppvCardTempModuleStorage shouldFetchvCardTempForJID:jid xmppStream:xmppStream])
+		{
+			[self _fetchvCardTempForJID:jid];
+		}
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (XMPPvCardTemp *)vCardTempForJID:(XMPPJID *)jid shouldFetch:(BOOL)shouldFetch{
+    
+    __block XMPPvCardTemp *result;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPvCardTemp *vCardTemp = [_xmppvCardTempModuleStorage vCardTempForJID:jid xmppStream:xmppStream];
+		
+		if (vCardTemp == nil && shouldFetch && [_xmppvCardTempModuleStorage shouldFetchvCardTempForJID:jid xmppStream:xmppStream])
+		{
+			[self _fetchvCardTempForJID:jid];
+		}
+		
+		result = vCardTemp;
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (XMPPvCardTemp *)myvCardTemp
+{
+	return [self vCardTempForJID:[xmppStream myJID] shouldFetch:YES];
+}
+
+- (void)updateMyvCardTemp:(XMPPvCardTemp *)vCardTemp
+{
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+
+        XMPPvCardTemp *newvCardTemp = [vCardTemp copy];
+        
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:[xmppStream generateUUID] child:newvCardTemp];
+        [xmppStream sendElement:iq];
+        
+        [_myvCardTracker addElement:iq
+                             target:self
+                           selector:@selector(handleMyvcard:withInfo:)
+                            timeout:600];
+        
+        [self _updatevCardTemp:newvCardTemp forJID:[xmppStream myJID]];
+        
+    }};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)_updatevCardTemp:(XMPPvCardTemp *)vCardTemp forJID:(XMPPJID *)jid
+{
+    if(!jid) return;
+    
+	// this method could be called from anywhere
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogVerbose(@"%@: %s %@", THIS_FILE, __PRETTY_FUNCTION__, [jid bare]);
+		
+		[_xmppvCardTempModuleStorage setvCardTemp:vCardTemp forJID:jid xmppStream:xmppStream];
+		
+		[(id <XMPPvCardTempModuleDelegate>)multicastDelegate xmppvCardTempModule:self
+		                                                     didReceivevCardTemp:vCardTemp
+		                                                                  forJID:jid];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)_fetchvCardTempForJID:(XMPPJID *)jid{
+    if(!jid) return;
+
+    [xmppStream sendElement:[XMPPvCardTemp iqvCardRequestForJID:jid]];
+}
+
+- (void)handleMyvcard:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)trackerInfo{
+
+    if([iq isResultIQ])
+    {
+        [(id <XMPPvCardTempModuleDelegate>)multicastDelegate xmppvCardTempModuleDidUpdateMyvCard:self];
+    }
+    else if([iq isErrorIQ])
+    {
+        NSXMLElement *errorElement = [iq elementForName:@"error"];
+        [(id <XMPPvCardTempModuleDelegate>)multicastDelegate xmppvCardTempModule:self failedToUpdateMyvCard:errorElement];
+    }        
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStreamDelegate methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// This method is invoked on the moduleQueue.
+	
+    [_myvCardTracker invokeForElement:iq withObject:iq];
+    
+	// Remember XML heirarchy memory management rules.
+	// The passed parameter is a subnode of the IQ, and we need to pass it to an asynchronous operation.
+	// 
+	// Therefore we use vCardTempCopyFromIQ instead of vCardTempSubElementFromIQ.
+	
+    
+	XMPPvCardTemp *vCardTemp = [XMPPvCardTemp vCardTempCopyFromIQ:iq];
+	if (vCardTemp != nil)
+	{
+		[self _updatevCardTemp:vCardTemp forJID:[iq from]];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[_myvCardTracker removeAllIDs];
+}
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempTel.h b/Extensions/XEP-0054/XMPPvCardTempTel.h
new file mode 100644
index 0000000..ba6df21
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempTel.h
@@ -0,0 +1,37 @@
+//
+//  XMPPvCardTempTel.h
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import <Foundation/Foundation.h>
+
+#import "XMPPvCardTempBase.h"
+
+
+@interface XMPPvCardTempTel : XMPPvCardTempBase
+
+
++ (XMPPvCardTempTel *)vCardTelFromElement:(NSXMLElement *)elem;
+
+@property (nonatomic, assign, setter=setHome:)      BOOL isHome;
+@property (nonatomic, assign, setter=setWork:)      BOOL isWork;
+@property (nonatomic, assign, setter=setVoice:)     BOOL isVoice;
+@property (nonatomic, assign, setter=setFax:)       BOOL isFax;
+@property (nonatomic, assign, setter=setPager:)     BOOL isPager;
+@property (nonatomic, assign, setter=setMessaging:) BOOL hasMessaging;
+@property (nonatomic, assign, setter=setCell:)      BOOL isCell;
+@property (nonatomic, assign, setter=setVideo:)     BOOL isVideo;
+@property (nonatomic, assign, setter=setBBS:)       BOOL isBBS;
+@property (nonatomic, assign, setter=setModem:)     BOOL isModem;
+@property (nonatomic, assign, setter=setISDN:)      BOOL isISDN;
+@property (nonatomic, assign, setter=setPCS:)       BOOL isPCS;
+@property (nonatomic, assign, setter=setPreferred:) BOOL isPreferred;
+
+@property (nonatomic, weak) NSString *number;
+
+@end
diff --git a/Extensions/XEP-0054/XMPPvCardTempTel.m b/Extensions/XEP-0054/XMPPvCardTempTel.m
new file mode 100644
index 0000000..fa5a943
--- /dev/null
+++ b/Extensions/XEP-0054/XMPPvCardTempTel.m
@@ -0,0 +1,204 @@
+//
+//  XMPPvCardTempTel.m
+//  XEP-0054 vCard-temp
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+
+#import "XMPPvCardTempTel.h"
+#import "XMPPLogging.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_ERROR;
+#endif
+
+
+@implementation XMPPvCardTempTel
+
+#if DEBUG
+
++ (void)initialize {
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	// 
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	// 
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPvCardTempTel class]);
+	
+	if (superSize != ourSize)
+	{
+		XMPPLogError(@"Adding instance variables to XMPPvCardTempTel is not currently supported!");
+		
+		[DDLog flushLog];
+		exit(15);
+	}
+}
+
+#endif
+
++ (XMPPvCardTempTel *)vCardTelFromElement:(NSXMLElement *)elem {
+	object_setClass(elem, [XMPPvCardTempTel class]);
+	
+	return (XMPPvCardTempTel *)elem;
+}
+
+
+#pragma mark -
+#pragma mark Getter/setter methods
+
+- (BOOL)isHome {
+	return [self elementForName:@"HOME"] != nil;
+}
+
+
+- (void)setHome:(BOOL)home {
+	XMPP_VCARD_SET_EMPTY_CHILD(home && ![self isHome], @"HOME");
+}
+
+
+- (BOOL)isWork {
+	return [self elementForName:@"WORK"] != nil;
+}
+
+
+- (void)setWork:(BOOL)work {
+	XMPP_VCARD_SET_EMPTY_CHILD(work && ![self isWork], @"WORK");
+}
+
+
+- (BOOL)isVoice {
+	return [self elementForName:@"VOICE"] != nil;
+}
+
+
+- (void)setVoice:(BOOL)voice {
+	XMPP_VCARD_SET_EMPTY_CHILD(voice && ![self isVoice], @"VOICE");
+}
+
+
+- (BOOL)isFax {
+	return [self elementForName:@"FAX"] != nil;
+}
+
+
+- (void)setFax:(BOOL)fax {
+	XMPP_VCARD_SET_EMPTY_CHILD(fax && ![self isFax], @"FAX");
+}
+
+
+- (BOOL)isPager {
+	return [self elementForName:@"PAGER"] != nil;
+}
+
+
+- (void)setPager:(BOOL)pager {
+	XMPP_VCARD_SET_EMPTY_CHILD(pager && ![self isPager], @"PAGER");
+}
+
+
+- (BOOL)hasMessaging {
+	return [self elementForName:@"MSG"] != nil;
+}
+
+
+- (void)setMessaging:(BOOL)msg {
+	XMPP_VCARD_SET_EMPTY_CHILD(msg && ![self hasMessaging], @"MSG");
+}
+
+
+- (BOOL)isCell {
+	return [self elementForName:@"CELL"] != nil;
+}
+
+
+- (void)setCell:(BOOL)cell {
+	XMPP_VCARD_SET_EMPTY_CHILD(cell && ![self isCell], @"CELL");
+}
+
+
+- (BOOL)isVideo {
+	return [self elementForName:@"VIDEO"] != nil;
+}
+
+
+- (void)setVideo:(BOOL)video {
+	XMPP_VCARD_SET_EMPTY_CHILD(video && ![self isVideo], @"VIDEO");
+}
+
+
+- (BOOL)isBBS {
+	return [self elementForName:@"BBS"] != nil;
+}
+
+
+- (void)setBBS:(BOOL)bbs {
+	XMPP_VCARD_SET_EMPTY_CHILD(bbs && ![self isBBS], @"BBS");
+}
+
+
+- (BOOL)isModem {
+	return [self elementForName:@"MODEM"] != nil;
+}
+
+
+- (void)setModem:(BOOL)modem {
+	XMPP_VCARD_SET_EMPTY_CHILD(modem && ![self isModem], @"MODEM");
+}
+
+
+- (BOOL)isISDN {
+	return [self elementForName:@"ISDN"] != nil;
+}
+
+
+- (void)setISDN:(BOOL)isdn {
+	XMPP_VCARD_SET_EMPTY_CHILD(isdn && ![self isISDN], @"ISDN");
+}
+
+
+- (BOOL)isPCS {
+	return [self elementForName:@"PCS"] != nil;
+}
+
+
+- (void)setPCS:(BOOL)pcs {
+	XMPP_VCARD_SET_EMPTY_CHILD(pcs && ![self isPCS], @"PCS");
+}
+
+
+- (BOOL)isPreferred {
+	return [self elementForName:@"PREF"] != nil;
+}
+
+
+- (void)setPreferred:(BOOL)pref {
+	XMPP_VCARD_SET_EMPTY_CHILD(pref && ![self isPreferred], @"PREF");
+}
+
+
+- (NSString *)number {
+	return [[self elementForName:@"NUMBER"] stringValue];
+}
+
+
+- (void)setNumber:(NSString *)number {
+	XMPP_VCARD_SET_STRING_CHILD(number, @"NUMBER");
+}
+
+
+@end
diff --git a/Extensions/XEP-0059/NSXMLElement+XEP_0059.h b/Extensions/XEP-0059/NSXMLElement+XEP_0059.h
new file mode 100644
index 0000000..fa8db51
--- /dev/null
+++ b/Extensions/XEP-0059/NSXMLElement+XEP_0059.h
@@ -0,0 +1,16 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import "DDXML.h"
+#endif
+
+@class XMPPResultSet;
+
+
+@interface NSXMLElement (XEP_0059)
+
+- (BOOL)isResultSet;
+- (BOOL)hasResultSet;
+- (XMPPResultSet *)resultSet;
+
+@end
diff --git a/Extensions/XEP-0059/NSXMLElement+XEP_0059.m b/Extensions/XEP-0059/NSXMLElement+XEP_0059.m
new file mode 100644
index 0000000..a48d6ee
--- /dev/null
+++ b/Extensions/XEP-0059/NSXMLElement+XEP_0059.m
@@ -0,0 +1,47 @@
+#import "NSXMLElement+XEP_0059.h"
+#import "NSXMLElement+XMPP.h"
+#import "XMPPResultSet.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+#define XMLNS_XMPP_RESULT_SET @"http://jabber.org/protocol/rsm"
+#define NAME_XMPP_RESULT_SET @"set"
+
+@implementation NSXMLElement (XEP_0059)
+
+
+- (BOOL)isResultSet
+{    
+    if([[self name] isEqualToString:NAME_XMPP_RESULT_SET] && [[self xmlns] isEqualToString:XMLNS_XMPP_RESULT_SET])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)hasResultSet
+{
+    if([self resultSet])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (XMPPResultSet *)resultSet
+{
+    NSXMLElement *resultSetElement = [self elementForName:NAME_XMPP_RESULT_SET xmlns:XMLNS_XMPP_RESULT_SET];
+    XMPPResultSet *resultSet = [XMPPResultSet resultSetFromElement:resultSetElement];
+    return resultSet;    
+}
+
+@end
diff --git a/Extensions/XEP-0059/XMPPResultSet.h b/Extensions/XEP-0059/XMPPResultSet.h
new file mode 100644
index 0000000..c72c763
--- /dev/null
+++ b/Extensions/XEP-0059/XMPPResultSet.h
@@ -0,0 +1,96 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import "DDXML.h"
+#endif
+
+/**
+ * The XMPPResultSet class represents an <set xmlns='http://jabber.org/protocol/rsm'> element form XEP-0059.
+ * It extends NSXMLElement.
+ *
+ * Calling resultSet on an NSXMLElement returns an XMPPResultSet if it exists (see NSXMLElement+XEP_0059.h)
+ *
+ * This class exists to provide developers an easy way to add functionality to Result Set processing.
+ * Simply add your own category to XMPPResultSet to extend it with your own custom methods.
+ *
+ * XMPPResultSet uses NSNotFound to Specify undefined integer values i.e. max,firstIndex and count.
+ * XMPPResultSet uses a NSString of 0 length but not nil to supply empty elements i.e. before and after.
+ *
+ * Example:
+ *
+ * To fetch the last 10 items in a result set you need the following XML:
+ *
+ * <set xmlns='http://jabber.org/protocol/rsm'>
+ *  <max>10</max>
+ *  <before/>
+ * </set>
+ *
+ * This Result Set can be created by:
+ *
+ * [XMPPResultSet resultSetWithMax:10 firstIndex:NSNotFound after:nil before:@""];
+**/
+
+@interface XMPPResultSet : NSXMLElement
+
+/**
+ * Converts an NSXMLElement to an XMPPResultSet element in place (no memory allocations or copying)
+ **/
++ (XMPPResultSet *)resultSetFromElement:(NSXMLElement *)element;
+
+/**
+ * Creates and returns a new autoreleased XMPPResultSet element.
+**/
++ (XMPPResultSet *)resultSet;
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max;
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                         firstIndex:(NSInteger)index;
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                              after:(NSString *)after;
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                             before:(NSString *)before;
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                         firstIndex:(NSInteger)firstIndex
+                              after:(NSString *)after
+                             before:(NSString *)before;
+
+
+/**
+ * Creates and returns a new XMPPResultSet element.
+**/
+- (id)init;
+
+- (id)initWithMax:(NSInteger)max;
+
+- (id)initWithMax:(NSInteger)max
+       firstIndex:(NSInteger)firstIndex;
+
+- (id)initWithMax:(NSInteger)max
+            after:(NSString *)after;
+
+- (id)initWithMax:(NSInteger)max
+           before:(NSString *)before;
+
+- (id)initWithMax:(NSInteger)max
+       firstIndex:(NSInteger)firstIndex
+            after:(NSString *)after
+           before:(NSString *)before;
+
+
+- (NSInteger)max;
+
+- (NSInteger)firstIndex;
+
+- (NSString *)after;
+- (NSString *)before;
+
+- (NSInteger)count;
+
+- (NSString *)first;
+- (NSString *)last;
+
+@end
diff --git a/Extensions/XEP-0059/XMPPResultSet.m b/Extensions/XEP-0059/XMPPResultSet.m
new file mode 100644
index 0000000..87ceb03
--- /dev/null
+++ b/Extensions/XEP-0059/XMPPResultSet.m
@@ -0,0 +1,230 @@
+#import "XMPPResultSet.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_XMPP_RESULT_SET @"http://jabber.org/protocol/rsm"
+#define NAME_XMPP_RESULT_SET @"set"
+
+@implementation XMPPResultSet
+
++ (void)initialize
+{
+	// We use the object_setClass method below to dynamically change the class from a standard NSXMLElement.
+	// The size of the two classes is expected to be the same.
+	//
+	// If a developer adds instance methods to this class, bad things happen at runtime that are very hard to debug.
+	// This check is here to aid future developers who may make this mistake.
+	//
+	// For Fearless And Experienced Objective-C Developers:
+	// It may be possible to support adding instance variables to this class if you seriously need it.
+	// To do so, try realloc'ing self after altering the class, and then initialize your variables.
+	
+	size_t superSize = class_getInstanceSize([NSXMLElement class]);
+	size_t ourSize   = class_getInstanceSize([XMPPResultSet class]);
+	
+	if (superSize != ourSize)
+	{
+		NSLog(@"Adding instance variables to XMPPResultSet is not currently supported!");
+		exit(15);
+	}
+}
+
++ (XMPPResultSet *)resultSetFromElement:(NSXMLElement *)element
+{
+	object_setClass(element, [XMPPResultSet class]);
+	
+	return (XMPPResultSet *)element;
+}
+
++ (XMPPResultSet *)resultSet
+{
+    return [[XMPPResultSet alloc] init];
+}
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+{
+    return [[XMPPResultSet alloc] initWithMax:max];
+}
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                         firstIndex:(NSInteger)firstIndex
+{
+    return [[XMPPResultSet alloc] initWithMax:max firstIndex:firstIndex];
+}
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                              after:(NSString *)after
+{
+    return [[XMPPResultSet alloc] initWithMax:max after:after];
+}
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                             before:(NSString *)before
+{
+    return [[XMPPResultSet alloc] initWithMax:max before:before];
+}
+
++ (XMPPResultSet *)resultSetWithMax:(NSInteger)max
+                         firstIndex:(NSInteger)firstIndex
+                              after:(NSString *)after
+                             before:(NSString *)before
+{
+    return [[XMPPResultSet alloc] initWithMax:max
+                                   firstIndex:firstIndex
+                                        after:after
+                                       before:before];
+}
+
+- (id)init
+{
+    return [self initWithMax:NSNotFound firstIndex:NSNotFound after:nil before:nil];
+}
+
+- (id)initWithMax:(NSInteger)max
+{
+    return [self initWithMax:max firstIndex:NSNotFound after:nil before:nil];
+}
+
+- (id)initWithMax:(NSInteger)max
+       firstIndex:(NSInteger)firstIndex
+{
+    return [self initWithMax:max firstIndex:firstIndex after:nil before:nil];
+}
+
+- (id)initWithMax:(NSInteger)max
+            after:(NSString *)after
+{
+    return [self initWithMax:max firstIndex:NSNotFound after:after before:nil];
+}
+
+- (id)initWithMax:(NSInteger)max
+           before:(NSString *)before
+{
+    return [self initWithMax:max firstIndex:NSNotFound after:nil before:before];
+}
+
+- (id)initWithMax:(NSInteger)max
+       firstIndex:(NSInteger)firstIndex
+            after:(NSString *)after
+           before:(NSString *)before
+{
+    if ((self = [super initWithName:NAME_XMPP_RESULT_SET xmlns:XMLNS_XMPP_RESULT_SET]))
+	{
+        if(max != NSNotFound)
+        {
+            NSXMLElement *maxElement = [NSXMLElement elementWithName:@"max" stringValue:[@(max) stringValue]];
+            [self addChild:maxElement];
+        }
+        
+        if(firstIndex != NSNotFound)
+        {
+            NSXMLElement *maxElement = [NSXMLElement elementWithName:@"index" stringValue:[@(firstIndex) stringValue]];
+            [self addChild:maxElement];
+        }
+        
+        if(after != nil)
+        {
+            if([after length])
+            {
+                NSXMLElement *afterElement = [NSXMLElement elementWithName:@"after" stringValue:after];
+                [self addChild:afterElement];
+            }
+            else
+            {
+                NSXMLElement *afterElement = [NSXMLElement elementWithName:@"after"];
+                [self addChild:afterElement];
+            }
+        }
+        
+        if(before != nil)
+        {
+            if([before length])
+            {
+                NSXMLElement *beforeElement = [NSXMLElement elementWithName:@"before" stringValue:before];
+                [self addChild:beforeElement];
+            }
+            else
+            {
+                NSXMLElement *beforeElement = [NSXMLElement elementWithName:@"before"];
+                [self addChild:beforeElement];
+            }
+        }
+	}
+    
+	return self;
+}
+
+- (id)initWithXMLString:(NSString *)string error:(NSError *__autoreleasing *)error
+{
+	if((self = [super initWithXMLString:string error:error]))
+    {
+		self = [XMPPResultSet resultSetFromElement:self];
+	}
+	return self;
+}
+
+- (NSInteger)max
+{
+    if([self elementForName:@"max"])
+    {
+        return [[[self elementForName:@"max"] stringValue] intValue];
+    }else{
+        return NSNotFound;
+    }
+}
+
+- (NSInteger)firstIndex
+{
+    if([[self elementForName:@"first"] attributeForName:@"index"])
+    {
+        return [[self elementForName:@"first"] attributeIntegerValueForName:@"index"];
+    }
+    else if([self elementForName:@"index"])
+    {
+        return [[[self elementForName:@"index"] stringValue] intValue];
+    }
+    else
+    {
+        return NSNotFound;
+    }
+}
+
+
+- (NSString *)after
+{
+    return [[self elementForName:@"after"] stringValue];
+}
+
+- (NSString *)before
+{
+    return [[self elementForName:@"before"] stringValue];
+}
+
+- (NSInteger)count
+{
+    if([self elementForName:@"count"])
+    {
+        return [[[self elementForName:@"count"] stringValue] intValue];
+    }
+    else
+    {
+        return NSNotFound;
+    }
+}
+
+- (NSString *)first
+{
+    return [[self elementForName:@"first"] stringValue];
+}
+
+- (NSString *)last
+{
+    return [[self elementForName:@"last"] stringValue];
+}
+
+@end
diff --git a/Extensions/XEP-0060/XMPPIQ+XEP_0060.h b/Extensions/XEP-0060/XMPPIQ+XEP_0060.h
new file mode 100644
index 0000000..2ea6932
--- /dev/null
+++ b/Extensions/XEP-0060/XMPPIQ+XEP_0060.h
@@ -0,0 +1,35 @@
+#import <Foundation/Foundation.h>
+#import "XMPPIQ.h"
+
+#define XMLNS_PUBSUB                   @"http://jabber.org/protocol/pubsub"
+#define XMLNS_PUBSUB_OWNER             @"http://jabber.org/protocol/pubsub#owner"
+#define XMLNS_PUBSUB_EVENT             @"http://jabber.org/protocol/pubsub#event"
+#define XMLNS_PUBSUB_NODE_CONFIG       @"http://jabber.org/protocol/pubsub#node_config"
+#define XMLNS_PUBSUB_PUBLISH_OPTIONS   @"http://jabber.org/protocol/pubsub#publish-options"
+#define XMLNS_PUBSUB_SUBSCRIBE_OPTIONS @"http://jabber.org/protocol/pubsub#subscribe_options"
+
+@interface XMPPIQ (XEP_0060)
+
+/**
+ * Extracts the 'subid' from a PubSub subscription response.
+ * 
+ * For example, if we sent a PubSub subscription request for node "princely_musings",
+ * and the server returned this response:
+ * 
+ * <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='sub1'>
+ *   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+ *     <subscription
+ *         node='princely_musings'
+ *         jid='francisco@denmark.lit'
+ *         subid='ba49252aaa4f5d320c24d3766f0bdcade78c78d3'
+ *         subscription='subscribed'/>
+ *   </pubsub>
+ * </iq>
+ * 
+ * Then this method would return "ba49252aaa4f5d320c24d3766f0bdcade78c78d3".
+ * 
+ * It is common to store the subid as it often a required attribute when unsubscribing.
+**/
+- (NSString *)pubsubid;
+
+@end
diff --git a/Extensions/XEP-0060/XMPPIQ+XEP_0060.m b/Extensions/XEP-0060/XMPPIQ+XEP_0060.m
new file mode 100644
index 0000000..6d17fb1
--- /dev/null
+++ b/Extensions/XEP-0060/XMPPIQ+XEP_0060.m
@@ -0,0 +1,25 @@
+#import "XMPPIQ+XEP_0060.h"
+#import "NSXMLElement+XMPP.h"
+
+
+@implementation XMPPIQ (XEP_0060)
+
+- (NSString *)pubsubid
+{
+	// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='sub1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+    //     <subscription
+	//         node='princely_musings'
+	//         jid='francisco@denmark.lit'
+	//         subid='ba49252aaa4f5d320c24d3766f0bdcade78c78d3'
+	//         subscription='subscribed'/>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *pubsub = [self elementForName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	NSXMLElement *subscription = [pubsub elementForName:@"subscription"];
+	
+	return [subscription attributeStringValueForName:@"subid"];
+}
+
+@end
diff --git a/Extensions/XEP-0060/XMPPPubSub.h b/Extensions/XEP-0060/XMPPPubSub.h
new file mode 100644
index 0000000..c065825
--- /dev/null
+++ b/Extensions/XEP-0060/XMPPPubSub.h
@@ -0,0 +1,374 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_PUB_SUB_H
+
+@interface XMPPPubSub : XMPPModule
+
+/**
+ * Returns whether or not the given message is a PubSub event message.
+**/
++ (BOOL)isPubSubMessage:(XMPPMessage *)message;
+
+/**
+ * Creates a PubSub module with the JID of the PubSub service.
+ * This JID will be the 'to' attribute of outgoing <iq/> element(s).
+ * 
+ * If you're creating a PEP module, you should pass nil as the serviceJID.
+ * If you're creating a normal PubSub module, you should pass the JID of the PubSub service.
+ * 
+ * If you're connected to server 'domain.tld', then the PubSub JID is typically something like 'pubsub.domain.tld'.
+ * However, the exact format of the JID varies from server to server, and is often configurable.
+ * If you don't know the PubSub JID beforehand, you may need to use service discovery to find it.
+**/
+- (id)initWithServiceJID:(XMPPJID *)aServiceJID;
+- (id)initWithServiceJID:(XMPPJID *)aServiceJID dispatchQueue:(dispatch_queue_t)queue;
+
+/**
+ * The JID of the PubSub server the module is to communicate with.
+**/
+@property (nonatomic, strong, readonly) XMPPJID *serviceJID;
+
+/**
+ * Sends a subscription request for the given node name.
+ *
+ * @param node
+ * 
+ *     The name of the node to subscribe to.
+ *     This may be a leaf node or, if supported by the server, a collection node.
+ *
+ * @param myBareOrFullJid
+ *
+ *     When you subscribe to a PubSub node, you can subscribe with either
+ *     your bare jid (username@domain.tld) or your full jid (username@domain.tld/resource).
+ *
+ *     If you subscribe with your bare jid, then all resources are subscribed.
+ *     For example, if you subscribe to "/MyTown/CornerCoffeeShop" with your bare jid,
+ *     then your "home" resource will be subscribed, as well as your "work" and "mobile" resources.
+ *     No matter what device you sign into your account with, you'll receive pubsub updates.
+ *
+ *     Contrast this with subscribing with your full jid. This subscribes you only for the current resource.
+ *     Using the example from above, only the "home" resource would receive pubsub updates for the node.
+ *     
+ *     If you don't pass a JID, the method defaults to using the full JID.
+ * 
+ * @param options
+ *
+ *     The optional options dictionary allows you to provide the subscription options in the subscription stanza.
+ *     This corresponds to XEP-0060, Section 6.3.7: Subscribe and Configure
+ * 
+ *     To use example 71 from the spec, you would pass the following dictionary:
+ * 
+ *     @{ @"pubsub#deliver"      : @(YES),
+ *        @"pubsub#digest"       : @(NO),
+ *        @"pubsub#include_body" : @(NO),
+ *        @"pubsub#show-values"  : @[ @"chat", @"online", @"away" ] }
+ * 
+ * @return uuid
+ * 
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didSubscribeToNode:withResult:
+ * @see xmppPubSub:didNotSubscribeToNode:withError:
+**/
+- (NSString *)subscribeToNode:(NSString *)node;
+- (NSString *)subscribeToNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid;
+- (NSString *)subscribeToNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid options:(NSDictionary *)options;
+
+/**
+ * Sends an unsubscribe request for the given node name.
+ * 
+ * @param node
+ *
+ *     The name of the node to unsubscribe from.
+ *     This should be the same node name you used when you subscribed.
+ * 
+ * @param myBareOrFullJid
+ *
+ *     The appropriate jid that matches the subscription.
+ *     This should be the same jid you used when you subscribed.
+ *     
+ *     If you don't pass a JID, the method defaults to using the full JID.
+ * 
+ * @param subid
+ *
+ *     If a subscription identifier (subid) is associated with the subscription,
+ *     the unsubscribe request may be required to include the appropriate 'subid' attribute.
+ *     The subid value was returned by the server in the original subscribe response,
+ *     and can also be obtained by retrieving the subscription(s) from the server.
+ * 
+ *     XMPPIQ+XEP_0060 has a category method named "pubsubid" which conveniently
+ *     extracts the subid value from a subscription response.
+ * 
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ * 
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ * 
+ * @see xmppPubSub:didUnsubscribeFromNode:withResult:
+ * @see xmppPubSub:didNotUnsubscribeFromNode:(NSString *)node withError:
+**/
+- (NSString *)unsubscribeFromNode:(NSString *)node;
+- (NSString *)unsubscribeFromNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid;
+- (NSString *)unsubscribeFromNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid subid:(NSString *)subid;
+
+/**
+ * Fetches the current PubSub subscriptions from the server.
+ * You can fetch all subscriptions, or just subscriptions for a particular node.
+ *
+ * Keep in mind that your PubSub subscriptions don't typically disappear when you disconnect.
+ * That is, your subscriptions remain intact as the client connects and disconnects.
+ *
+ * @param node
+ * 
+ *     Optional node name if you wish to only retrieve subscriptions for a particular node.
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ * 
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didRetrieveSubscriptions:
+ * @see xmppPubSub:didNotRetrieveSubscriptions:
+ *
+ * @see xmppPubSub:didRetrieveSubscriptions:forNode:
+ * @see xmppPubSub:didNotRetrieveSubscriptions:forNode:
+**/
+- (NSString *)retrieveSubscriptions;
+- (NSString *)retrieveSubscriptionsForNode:(NSString *)node;
+
+/**
+ * @param node
+ * 
+ *     The name of the subscibed node for to configure the subscription.
+ *     This should be the same node name you used when you subscribed.
+ * 
+ * @param myBareOrFullJid
+ *
+ *     The appropriate jid that matches the subscription.
+ *     This should be the same jid you used when you subscribed.
+ *
+ *     If you don't pass a JID, the method defaults to using the full JID.
+ *
+ * @param subid
+ *
+ *     If a subscription identifier (subid) is associated with the subscription,
+ *     the configure request may be required to include the appropriate 'subid' attribute.
+ *     The subid value was returned by the server in the original subscribe response,
+ *     and can also be obtained by retrieving the subscription(s) from the server.
+ *
+ *     XMPPIQ+XEP_0060 has a category method named "pubsubid" which conveniently
+ *     extracts the subid value from a subscription response.
+ * 
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didConfigureSubscriptionToNode:withResult:
+ * @see xmppPubSub:didNotConfigureSubscriptionToNode:withError:
+**/
+- (NSString *)configureSubscriptionToNode:(NSString *)node
+                                  withJID:(XMPPJID *)myBareOrFullJid
+                                    subid:(NSString *)subid
+                                  options:(NSDictionary *)options;
+
+/**
+ * Publishes the entry to the given node.
+ * 
+ * If the server supports automatic node creation, and the node does not yet exist,
+ * the server may automatically create the node with the default configuration.
+ * 
+ * @param node
+ * 
+ *     The name of the node to publish to.
+ * 
+ * @param entry
+ * 
+ *     The entry you wish to publish.
+ *     This is the xml tree that will go inside the <item/>.
+ * 
+ * @param itemID
+ *
+ *     This corresponds to the unique id of the published item.
+ *     If you pass the same itemID as a previously published item, then the new entry will replace the old one.
+ *     If you don't pass an itemID, the the server will automatically generate a unique itemID for you.
+ * 
+ * @param options
+ *     
+ *     You may optionally pass publish options as well.
+ *     This corresponds with section 7.1.5 of XEP-0060.
+ *     Options are passed as a dictionary of key:value(s) pairs.
+ *
+ *     For example, if you wanted to include the following publish options (from XEP-0223):
+ *     <publish-options>
+ *       <x xmlns='jabber:x:data' type='submit'>
+ *         <field var='FORM_TYPE' type='hidden'>
+ *           <value>http://jabber.org/protocol/pubsub#publish-options</value>
+ *         </field>
+ *         <field var='pubsub#persist_items'>
+ *           <value>true</value>
+ *         </field>
+ *         <field var='pubsub#access_model'>
+ *           <value>whitelist</value>
+ *         </field>
+ *       </x>
+ *     </publish-options>
+ * 
+ *     Then you would simply pass the following dictionary:
+ *     @{ @"pubsub#persist_items" : @(YES),
+ *        @"pubsub#access_model " : @"whitelist" }
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ * 
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ * 
+ * @see xmppPubSub:didPublishToNode:withResult:
+ * @see xmppPubSub:didNotPublishToNode:withError:
+**/
+- (NSString *)publishToNode:(NSString *)node entry:(NSXMLElement *)entry;
+- (NSString *)publishToNode:(NSString *)node entry:(NSXMLElement *)entry withItemID:(NSString *)itemId;
+- (NSString *)publishToNode:(NSString *)node
+                      entry:(NSXMLElement *)entry
+                 withItemID:(NSString *)itemId
+                    options:(NSDictionary *)options;
+
+/**
+ * Creates the given node with optional options.
+ * 
+ * @param node
+ *
+ *     The name of the node to create.
+ * 
+ * @param options
+ * 
+ *     You may optionally pass configure options as well.
+ *     This corresponds with section 8.1.3 of XEP-0060.
+ *     Options are passed as a dictionary of key:value(s) pairs.
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didCreateNode:withIQ:
+ * @see xmppPubSub:didNotCreateNode:withError:
+**/
+- (NSString *)createNode:(NSString *)node;
+- (NSString *)createNode:(NSString *)node withOptions:(NSDictionary *)options;
+
+/**
+ * Deletes the given node.
+ * 
+ * @param node
+ *
+ *     The name of the node to delete.
+ *     This should be the same node name you used when you created it.
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didDeleteNode:withIQ:
+ * @see xmppPubSub:didNotDeleteNode:withError:
+**/
+- (NSString *)deleteNode:(NSString *)node;
+
+/**
+ * Configures the given node.
+ * 
+ * @param node
+ *
+ *     The name of the node to configure.
+ *     This should be the same node name you used when you created it.
+ *
+ * @param options
+ *
+ *     Options are passed as a dictionary of key:value(s) pairs.
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didConfigureNode:withIQ:
+ * @see xmppPubSub:didNotConfigureNode:withError:
+**/
+- (NSString *)configureNode:(NSString *)node withOptions:(NSDictionary *)options;
+
+/**
+ * Retrieves items from given node.
+ *
+ * @param node
+ *
+ *     The name of the node to retrieve items from.
+ *     This should be the same node name you used when you created it.
+ *
+ * @param withItemIDs
+ *
+ *     This corresponds to a list of unique ids of previously published items.
+ *     The server will return the previously published items for those that exists.
+ *     If none of the items exists, an empty items list will be returned.
+ *     If you don't pass any itemIDs, the server will retrieve all items on the given node
+ *
+ * @return uuid
+ *
+ *     The return value is the unique elementID of the IQ stanza that was sent.
+ *
+ * The server's response to the request will be reported via the appropriate delegate methods.
+ *
+ * @see xmppPubSub:didRetrieveItems:fromNode:
+ * @see xmppPubSub:didNotRetrieveItems:fromNode:
+ **/
+- (NSString *)retrieveItemsFromNode:(NSString *)node;
+- (NSString *)retrieveItemsFromNode:(NSString *)node withItemIDs:(NSArray *)itemIds;
+
+@end
+
+@protocol XMPPPubSubDelegate
+@optional
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didSubscribeToNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotSubscribeToNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didUnsubscribeFromNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotUnsubscribeFromNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didRetrieveSubscriptions:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotRetrieveSubscriptions:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didRetrieveSubscriptions:(XMPPIQ *)iq forNode:(NSString *)node;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotRetrieveSubscriptions:(XMPPIQ *)iq forNode:(NSString *)node;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didConfigureSubscriptionToNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotConfigureSubscriptionToNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didPublishToNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotPublishToNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didCreateNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotCreateNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didDeleteNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotDeleteNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didConfigureNode:(NSString *)node withResult:(XMPPIQ *)iq;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotConfigureNode:(NSString *)node withError:(XMPPIQ *)iq;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didRetrieveItems:(XMPPIQ *)iq fromNode:(NSString *)node;
+- (void)xmppPubSub:(XMPPPubSub *)sender didNotRetrieveItems:(XMPPIQ *)iq fromNode:(NSString *)node;
+
+- (void)xmppPubSub:(XMPPPubSub *)sender didReceiveMessage:(XMPPMessage *)message;
+
+@end
diff --git a/Extensions/XEP-0060/XMPPPubSub.m b/Extensions/XEP-0060/XMPPPubSub.m
new file mode 100644
index 0000000..01a5d35
--- /dev/null
+++ b/Extensions/XEP-0060/XMPPPubSub.m
@@ -0,0 +1,1053 @@
+#import "XMPPPubSub.h"
+#import "XMPPIQ+XEP_0060.h"
+#import "XMPPInternal.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Defined in XMPPIQ+XEP_0060.h
+//
+// #define XMLNS_PUBSUB             @"http://jabber.org/protocol/pubsub"
+// #define XMLNS_PUBSUB_OWNER       @"http://jabber.org/protocol/pubsub#owner"
+// #define XMLNS_PUBSUB_EVENT       @"http://jabber.org/protocol/pubsub#event"
+// #define XMLNS_PUBSUB_NODE_CONFIG @"http://jabber.org/protocol/pubsub#node_config"
+
+
+@implementation XMPPPubSub
+{
+	XMPPJID *serviceJID;
+	XMPPJID *myJID;
+	
+	NSMutableDictionary *subscribeDict;
+	NSMutableDictionary *unsubscribeDict;
+	NSMutableDictionary *retrieveSubsDict;
+	NSMutableDictionary *configSubDict;
+	NSMutableDictionary *createDict;
+	NSMutableDictionary *deleteDict;
+	NSMutableDictionary *configNodeDict;
+	NSMutableDictionary *publishDict;
+	NSMutableDictionary *retrieveItemsDict;
+}
+
++ (BOOL)isPubSubMessage:(XMPPMessage *)message
+{
+	NSXMLElement *event = [message elementForName:@"event" xmlns:XMLNS_PUBSUB_EVENT];
+	return (event != nil);
+}
+
+@synthesize serviceJID;
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPPubSub.h are supported.
+	
+	return [self initWithServiceJID:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPPubSub.h are supported.
+	
+	return [self initWithServiceJID:nil dispatchQueue:NULL];
+}
+
+- (id)initWithServiceJID:(XMPPJID *)aServiceJID
+{
+	return [self initWithServiceJID:aServiceJID dispatchQueue:NULL];
+}
+
+- (id)initWithServiceJID:(XMPPJID *)aServiceJID dispatchQueue:(dispatch_queue_t)queue
+{
+	// If aServiceJID is nil, we won't include a 'to' attribute in the <iq/> element(s) we send.
+	// This is the proper configuration for PEP, as it uses the bare JID as the pubsub node.
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		serviceJID = [aServiceJID copy];
+		
+		subscribeDict       = [[NSMutableDictionary alloc] init];
+		unsubscribeDict     = [[NSMutableDictionary alloc] init];
+		retrieveSubsDict    = [[NSMutableDictionary alloc] init];
+		configSubDict       = [[NSMutableDictionary alloc] init];
+		createDict          = [[NSMutableDictionary alloc] init];
+		deleteDict          = [[NSMutableDictionary alloc] init];
+		configNodeDict      = [[NSMutableDictionary alloc] init];
+		publishDict         = [[NSMutableDictionary alloc] init];
+		retrieveItemsDict   = [[NSMutableDictionary alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		if (serviceJID == nil)
+		{
+			myJID = xmppStream.myJID;
+			[[NSNotificationCenter defaultCenter] addObserver:self
+			                                         selector:@selector(myJIDDidChange:)
+			                                             name:XMPPStreamDidChangeMyJIDNotification
+			                                           object:nil];
+		}
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	[subscribeDict      removeAllObjects];
+	[unsubscribeDict    removeAllObjects];
+	[retrieveSubsDict   removeAllObjects];
+	[configSubDict      removeAllObjects];
+	[createDict         removeAllObjects];
+	[deleteDict         removeAllObjects];
+	[configNodeDict     removeAllObjects];
+	[publishDict        removeAllObjects];
+	[retrieveItemsDict  removeAllObjects];
+	
+	if (serviceJID == nil) {
+		[[NSNotificationCenter defaultCenter] removeObserver:self name:XMPPStreamDidChangeMyJIDNotification object:nil];
+	}
+	[super deactivate];
+}
+
+- (void)myJIDDidChange:(NSNotification *)notification
+{
+	// Notifications are delivered on the thread/queue that posted them.
+	// In this case, they are delivered on xmppStream's internal processing queue.
+	
+	XMPPStream *stream = (XMPPStream *)[notification object];
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (xmppStream == stream)
+		{
+			myJID = xmppStream.myJID;
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Delegate method to receive incoming IQ stanzas.
+**/
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// Check to see if IQ is from our PubSub/PEP service
+	if (serviceJID) {
+		if (![serviceJID isEqualToJID:[iq from]]) return NO;
+	}
+	else {
+		if (![myJID isEqualToJID:[iq from] options:XMPPJIDCompareBare]) return NO;
+	}
+	
+	NSString *elementID = [iq elementID];
+	NSString *node = nil;
+	
+	if ((node = subscribeDict[elementID]))
+	{
+		// Example subscription success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='sub1'>
+		//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+		//     <subscription
+		//         node='princely_musings'
+		//         jid='francisco@denmark.lit'
+		//         subid='ba49252aaa4f5d320c24d3766f0bdcade78c78d3'
+		//         subscription='subscribed'/>
+		//   </pubsub>
+		// </iq>
+		//
+		// Example subscription error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='sub1'>
+		//   <error type='modify'>
+		//     <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//     <invalid-jid xmlns='http://jabber.org/protocol/pubsub#errors'/>
+		//   </error>
+		// </iq>
+		// 
+		// XEP-0060 provides many other example responses, but
+		// not all of them fit perfectly into the subscribed/not-subscribed categories.
+		// For example, the subscription could be:
+		// 
+		// - pending, approval required
+		// - unconfigured, configuration required
+		// - unconfigured, configuration supported
+		//
+		// However, in the general sense, the subscription request was accepted.
+		// So these special cases will still be broadcast as "subscibed",
+		// and it is the delegates responsibility to handle these special cases if the server is configured as such.
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didSubscribeToNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotSubscribeToNode:node withError:iq];
+		
+		[subscribeDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = unsubscribeDict[elementID]))
+	{
+		// Example unsubscribe success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='unsub1'/>
+		//
+		// Example unsubscribe error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='unsub1'>
+		//   <error type='modify'>
+		//     <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//     <subid-required xmlns='http://jabber.org/protocol/pubsub#errors'/>
+		//   </error>
+		// </iq>
+		//
+		// XEP-0060 provides many other example responses, but
+		// not all of them fit perfectly into the unsubscribed/not-unsubscribed categories.
+		//
+		// For example, there's an error that gets returned if the client wasn't subscribed.
+		// Depending on the client, this could possibly get treated as a successful unsubscribe action.
+		//
+		// It is the delegates responsibility to handle these special cases.
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didUnsubscribeFromNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotUnsubscribeFromNode:node withError:iq];
+		
+		[unsubscribeDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = retrieveSubsDict[elementID]))
+	{
+		// Example retrieve success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit' id='subscriptions1'>
+		//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+		//     <subscriptions>
+		//       <subscription node='node1' jid='francisco@denmark.lit' subscription='subscribed'/>
+		//       <subscription node='node2' jid='francisco@denmark.lit' subscription='subscribed'/>
+		//       <subscription node='node5' jid='francisco@denmark.lit' subscription='unconfigured'/>
+		//       <subscription node='node6' jid='francisco@denmark.lit' subscription='subscribed' subid='123-abc'/>
+		//       <subscription node='node6' jid='francisco@denmark.lit' subscription='subscribed' subid='004-yyy'/>
+		//     </subscriptions>
+		//   </pubsub>
+		// </iq>
+		//
+		// Example retrieve error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='subscriptions1'>
+		//   <error type='cancel'>
+		//     <feature-not-implemented xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//     <unsupported xmlns='http://jabber.org/protocol/pubsub#errors' feature='retrieve-subscriptions'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			if ([node isKindOfClass:[NSNull class]])
+				[multicastDelegate xmppPubSub:self didRetrieveSubscriptions:iq];
+			else
+				[multicastDelegate xmppPubSub:self didRetrieveSubscriptions:iq forNode:node];
+		}
+		else
+		{
+			if ([node isKindOfClass:[NSNull class]])
+				[multicastDelegate xmppPubSub:self didNotRetrieveSubscriptions:iq];
+			else
+				[multicastDelegate xmppPubSub:self didNotRetrieveSubscriptions:iq forNode:node];
+		}
+		
+		[retrieveSubsDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = configSubDict[elementID]))
+	{
+		// Example configure subscription success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='options2'/>
+		//
+		// Example configure subscription error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='options2'>
+		//   <error type='modify'>
+		//     <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//     <invalid-options xmlns='http://jabber.org/protocol/pubsub#errors'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didConfigureSubscriptionToNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotConfigureSubscriptionToNode:node withError:iq];
+		
+		[configSubDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = publishDict[elementID]))
+	{
+		// Example publish success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='hamlet@denmark.lit/blogbot' id='publish1'>
+		//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+		//     <publish node='princely_musings'>
+		//       <item id='ae890ac52d0df67ed7cfdf51b644e901'/>
+		//     </publish>
+		//   </pubsub>
+		// </iq>
+		//
+		// Example publish error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' id='publish1'>
+		//   <error type='auth'>
+		//     <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didPublishToNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotPublishToNode:node withError:iq];
+		
+		[publishDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = createDict[elementID]))
+	{
+		// Example create success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='options2'/>
+		//
+		// Example create error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='options2'>
+		//   <error type='modify'>
+		//     <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//     <invalid-options xmlns='http://jabber.org/protocol/pubsub#errors'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didCreateNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotCreateNode:node withError:iq];
+		
+		[createDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = deleteDict[elementID]))
+	{
+		// Example delete success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' id='delete1'/>
+		//
+		// Example delete error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='hamlet@denmark.lit/elsinore' id='delete1'>
+		//   <error type='auth'>
+		//     <forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didDeleteNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotDeleteNode:node withError:iq];
+		
+		[deleteDict removeObjectForKey:elementID];
+		return YES;
+	}
+	else if ((node = configNodeDict[elementID]))
+	{
+		// Example configure node success response:
+		//
+		// <iq type='result' from='pubsub.shakespeare.lit' to='hamlet@denmark.lit/elsinore' id='config2'/>
+		//
+		// Example configure node error response:
+		//
+		// <iq type='error' from='pubsub.shakespeare.lit' to='hamlet@denmark.lit/elsinore' id='config2'>
+		//   <error type='modify'>
+		//     <not-acceptable xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+		//   </error>
+		// </iq>
+		
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppPubSub:self didConfigureNode:node withResult:iq];
+		else
+			[multicastDelegate xmppPubSub:self didNotConfigureNode:node withError:iq];
+		
+		[configNodeDict removeObjectForKey:elementID];
+		return YES;
+	}
+    else if ((node = retrieveItemsDict[elementID]))
+    {
+        // Example retrieve from node success response:
+        //
+        // <iq type='result' from='pubsub.shakespeare.lit' to='francisco@denmark.lit/barracks' id='items2'>
+        //   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+        //     <items node='princely_musings'>
+        //       <item id='4e30f35051b7b8b42abe083742187228'>
+        //         ...
+        //       </item>
+        //     </items>
+        //   </pubsub>
+        // </iq>
+        //
+        // Example delete error response:
+        //
+        // <iq type='error' from='pubsub.shakespeare.lit' to='hamlet@denmark.lit/elsinore' id='items2'>
+        //   <error type='modify'>
+        //     <bad-request xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
+        //     <subid-required xmlns='http://jabber.org/protocol/pubsub#errors'/>
+        //   </error>
+        // </iq>
+        
+        if ([[iq type] isEqualToString:@"result"])
+            [multicastDelegate xmppPubSub:self didRetrieveItems:iq fromNode:node];
+        else
+            [multicastDelegate xmppPubSub:self didNotRetrieveItems:iq fromNode:node];
+        
+        [retrieveItemsDict removeObjectForKey:elementID];
+        return YES;
+    }
+	return NO;
+}
+
+/**
+ * Delegate method to receive incoming message stanzas.
+**/
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	// Check to see if message is from our PubSub/PEP service
+	if (serviceJID) {
+		if (![serviceJID isEqualToJID:[message from]]) return;
+	}
+	else {
+		if ([myJID isEqualToJID:[message from] options:XMPPJIDCompareBare]) return;
+	}
+	
+	// <message from='pubsub.foo.co.uk' to='admin@foo.co.uk'>
+	//   <event xmlns='http://jabber.org/protocol/pubsub#event'>
+	//     <items node='/pubsub.foo'>
+	//       <item id='5036AA52A152B'>
+	//         [... entry ...]
+	//       </item>
+	//     </items>
+	//   </event>
+	// </message>
+	
+	NSXMLElement *event = [message elementForName:@"event" xmlns:XMLNS_PUBSUB_EVENT];
+	if (event)
+	{
+		[multicastDelegate xmppPubSub:self didReceiveMessage:message];
+	}
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[subscribeDict      removeAllObjects];
+	[unsubscribeDict    removeAllObjects];
+	[retrieveSubsDict   removeAllObjects];
+	[configSubDict      removeAllObjects];
+	[createDict         removeAllObjects];
+	[deleteDict         removeAllObjects];
+	[configNodeDict     removeAllObjects];
+	[publishDict        removeAllObjects];
+	[retrieveItemsDict  removeAllObjects];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utility Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSXMLElement *)formForOptions:(NSDictionary *)options withFromType:(NSString *)formTypeValue
+{
+	// <x xmlns='jabber:x:data' type='submit'>
+	//   <field var='FORM_TYPE' type='hidden'>
+	//     <value>http://jabber.org/protocol/pubsub#subscribe_options</value>
+	//   </field>
+	//   <field var='pubsub#deliver'><value>1</value></field>
+	//   <field var='pubsub#digest'><value>0</value></field>
+	//   <field var='pubsub#include_body'><value>false</value></field>
+	//   <field var='pubsub#show-values'>
+	//     <value>chat</value>
+	//     <value>online</value>
+	//     <value>away</value>
+	//   </field>
+	// </x>
+	
+	NSXMLElement *x = [NSXMLElement elementWithName:@"x" xmlns:@"jabber:x:data"];
+	[x addAttributeWithName:@"type" stringValue:@"submit"];
+	
+	NSXMLElement *formTypeField = [NSXMLElement elementWithName:@"field"];
+	[formTypeField addAttributeWithName:@"var" stringValue:@"FORM_TYPE"];
+	[formTypeField addAttributeWithName:@"type" stringValue:@"hidden"];
+	[formTypeField addChild:[NSXMLElement elementWithName:@"value" stringValue:formTypeValue]];
+	
+	[x addChild:formTypeField];
+	
+	[options enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop){
+		
+		NSAssert([key isKindOfClass:[NSString class]], @"The keys within an options dictionary must be strings");
+		
+		NSXMLElement *field = [NSXMLElement elementWithName:@"field"];
+		
+		NSString *var = (NSString *)key;
+		[field addAttributeWithName:@"var" stringValue:var];
+		
+		if ([obj isKindOfClass:[NSArray class]])
+		{
+			NSArray *values = (NSArray *)obj;
+			for (id value in values)
+			{
+				[field addChild:[NSXMLElement elementWithName:@"value" objectValue:value]];
+			}
+		}
+		else
+		{
+			[field addChild:[NSXMLElement elementWithName:@"value" objectValue:obj]];
+		}
+		
+		[x addChild:field];
+	}];
+	return x;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Subscription Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)subscribeToNode:(NSString *)node
+{
+	return [self subscribeToNode:node withJID:nil options:nil];
+}
+
+- (NSString *)subscribeToNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid
+{
+	return [self subscribeToNode:node withJID:myBareOrFullJid options:nil];
+}
+
+- (NSString *)subscribeToNode:(NSString *)aNode withJID:(XMPPJID *)myBareOrFullJid options:(NSDictionary *)options
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// We default to using the full JID
+	NSString *jidStr = myBareOrFullJid ? [myBareOrFullJid full] : [xmppStream.myJID full];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		subscribeDict[uuid] = node;
+	});
+	
+	// Example from XEP-0060 section 6.1.1:
+	// 
+	// <iq type='set' from='francisco@denmark.lit/barracks' to='pubsub.shakespeare.lit' id='sub1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <subscribe node='princely_musings' jid='francisco@denmark.lit'/>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *subscribe = [NSXMLElement elementWithName:@"subscribe"];
+	[subscribe addAttributeWithName:@"node" stringValue:node];
+	[subscribe addAttributeWithName:@"jid" stringValue:jidStr];
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	[pubsub addChild:subscribe];
+	
+	if (options)
+	{
+		// Example from XEP-0060 section 6.3.7:
+		// 
+		// <options>
+		//   <x xmlns='jabber:x:data' type='submit'>
+		//     <field var='FORM_TYPE' type='hidden'>
+		//       <value>http://jabber.org/protocol/pubsub#subscribe_options</value>
+		//     </field>
+		//     <field var='pubsub#deliver'><value>1</value></field>
+		//     <field var='pubsub#digest'><value>0</value></field>
+		//     <field var='pubsub#include_body'><value>false</value></field>
+		//     <field var='pubsub#show-values'>
+		//       <value>chat</value>
+		//       <value>online</value>
+		//       <value>away</value>
+		//     </field>
+		//   </x>
+		// </options>
+		
+		NSXMLElement *x = [self formForOptions:options withFromType:XMLNS_PUBSUB_SUBSCRIBE_OPTIONS];
+		
+		NSXMLElement *optionsStanza = [NSXMLElement elementWithName:@"options"];
+		[optionsStanza addChild:x];
+		
+		[pubsub addChild:optionsStanza];
+	}
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+	
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+- (NSString *)unsubscribeFromNode:(NSString *)node
+{
+	return [self unsubscribeFromNode:node withJID:nil subid:nil];
+}
+
+- (NSString *)unsubscribeFromNode:(NSString *)node withJID:(XMPPJID *)myBareOrFullJid
+{
+	return [self unsubscribeFromNode:node withJID:myBareOrFullJid subid:nil];
+}
+
+- (NSString *)unsubscribeFromNode:(NSString *)aNode withJID:(XMPPJID *)myBareOrFullJid subid:(NSString *)subid
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// We default to using the full JID
+	NSString *jidStr = myBareOrFullJid ? [myBareOrFullJid full] : [xmppStream.myJID full];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		unsubscribeDict[uuid] = node;
+	});
+	
+	// Example from XEP-0060 section 6.2.1:
+	// 
+	// <iq type='set' from='francisco@denmark.lit/barracks' to='pubsub.shakespeare.lit' id='unsub1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <unsubscribe node='princely_musings' jid='francisco@denmark.lit'/>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *unsubscribe = [NSXMLElement elementWithName:@"unsubscribe"];
+	[unsubscribe addAttributeWithName:@"node" stringValue:node];
+	[unsubscribe addAttributeWithName:@"jid" stringValue:jidStr];
+    if (subid)
+        [unsubscribe addAttributeWithName:@"subid" stringValue:subid];
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	[pubsub addChild:unsubscribe];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+- (NSString *)retrieveSubscriptions
+{
+	return [self retrieveSubscriptionsForNode:nil];
+}
+
+- (NSString *)retrieveSubscriptionsForNode:(NSString *)aNode
+{
+	// Parameter aNode is optional
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		if (node)
+			retrieveSubsDict[uuid] = node;
+		else
+			retrieveSubsDict[uuid] = [NSNull null];
+	});
+	
+	// Get subscriptions for all nodes:
+	//
+	// <iq type='get' from='francisco@denmark.lit/barracks' to='pubsub.shakespeare.lit' id='subscriptions1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <subscriptions/>
+	//   </pubsub>
+	// </iq>
+	//
+	//
+	// Get subscriptions for a specific node:
+	//
+	// <iq type='get' from='francisco@denmark.lit/barracks' to='pubsub.shakespeare.lit' id='subscriptions1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <subscriptions node='princely_musings'/>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *subscriptions = [NSXMLElement elementWithName:@"subscriptions"];
+	if (node) {
+		[subscriptions addAttributeWithName:@"node" stringValue:node];
+	}
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	[pubsub addChild:subscriptions];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+- (NSString *)configureSubscriptionToNode:(NSString *)aNode
+                                  withJID:(XMPPJID *)myBareOrFullJid
+                                    subid:(NSString *)subid
+                                  options:(NSDictionary *)options
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// We default to using the full JID
+	NSString *jidStr = myBareOrFullJid ? [myBareOrFullJid full] : [xmppStream.myJID full];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		configSubDict[uuid] = node;
+	});
+	
+	// Example from XEP-0060 section 6.3.5:
+	//
+	// <iq type='set' from='francisco@denmark.lit/barracks' to='pubsub.shakespeare.lit' id='options2'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <options node='princely_musings' jid='francisco@denmark.lit'>
+	//       <x xmlns='jabber:x:data' type='submit'>
+	//         <field var='FORM_TYPE' type='hidden'>
+	//           <value>http://jabber.org/protocol/pubsub#subscribe_options</value>
+	//         </field>
+	//         <field var='pubsub#deliver'><value>1</value></field>
+	//         <field var='pubsub#digest'><value>0</value></field>
+	//         <field var='pubsub#include_body'><value>false</value></field>
+	//         <field var='pubsub#show-values'>
+	//           <value>chat</value>
+	//           <value>online</value>
+	//           <value>away</value>
+	//         </field>
+	//       </x>
+	//     </options>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *optionsStanza = [NSXMLElement elementWithName:@"options"];
+	[optionsStanza addAttributeWithName:@"node" stringValue:node];
+	[optionsStanza addAttributeWithName:@"jid" stringValue:jidStr];
+	if (subid) {
+		[optionsStanza addAttributeWithName:@"subid" stringValue:subid];
+	}
+	if (options) {
+		NSXMLElement *x = [self formForOptions:options withFromType:XMLNS_PUBSUB_NODE_CONFIG];
+		[optionsStanza addChild:x];
+	}
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB_OWNER];
+	[pubsub addChild:optionsStanza];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+	
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Node Admin
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)createNode:(NSString *)node
+{
+	return [self createNode:node withOptions:nil];
+}
+
+- (NSString *)createNode:(NSString *)aNode withOptions:(NSDictionary *)options
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		createDict[uuid] = node;
+	});
+	
+	// <iq type='set' from='hamlet@denmark.lit/elsinore' to='pubsub.shakespeare.lit' id='create1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <create node='princely_musings'/>
+	//     <configure>
+	//       <x xmlns='jabber:x:data' type='submit'>
+	//         <field var='FORM_TYPE' type='hidden'>
+	//           <value>http://jabber.org/protocol/pubsub#node_config</value>
+	//         </field>
+	//         <field var='pubsub#title'><value>Princely Musings (Atom)</value></field>
+	//         <field var='pubsub#deliver_notifications'><value>1</value></field>
+	//         <field var='pubsub#deliver_payloads'><value>1</value></field>
+	//         <field var='pubsub#persist_items'><value>1</value></field>
+	//         <field var='pubsub#max_items'><value>10</value></field>
+	//         ...
+	//       </x>
+	//     </configure>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *create = [NSXMLElement elementWithName:@"create"];
+	[create addAttributeWithName:@"node" stringValue:node];
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	[pubsub addChild:create];
+
+	if (options)
+	{
+		// Example from XEP-0060 section 8.1.3 show above
+		
+		NSXMLElement *x = [self formForOptions:options withFromType:XMLNS_PUBSUB_NODE_CONFIG];
+		
+		NSXMLElement *configure = [NSXMLElement elementWithName:@"configure"];
+		[configure addChild:x];
+		
+		[pubsub addChild:configure];
+	}
+
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+/**
+ * This method currently does not support redirection
+**/
+- (NSString *)deleteNode:(NSString *)aNode
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		deleteDict[uuid] = node;
+	});
+	
+	// Example XEP-0060 section 8.4.1:
+	// 
+	// <iq type='set' from='hamlet@denmark.lit/elsinore' to='pubsub.shakespeare.lit' id='delete1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub#owner'>
+	//     <delete node='princely_musings'/>
+	//   </pubsub>
+	// </iq>
+
+	NSXMLElement *delete = [NSXMLElement elementWithName:@"delete"];
+	[delete addAttributeWithName:@"node" stringValue:node];
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB_OWNER];
+	[pubsub addChild:delete];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+- (NSString *)configureNode:(NSString *)node
+{
+	return [self configureNode:node withOptions:nil];
+}
+
+- (NSString *)configureNode:(NSString *)aNode withOptions:(NSDictionary *)options
+{
+	if (aNode == nil) return nil;
+	
+	// In-case aNode is mutable
+	NSString *node = [aNode copy];
+	
+	// Generate uuid and add to dict
+	NSString *uuid = [xmppStream generateUUID];
+	dispatch_async(moduleQueue, ^{
+		configNodeDict[uuid] = node;
+	});
+	
+	// <iq type='get' from='hamlet@denmark.lit/elsinore' to='pubsub.shakespeare.lit' id='config1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub#owner'>
+	//     <configure node='princely_musings'/>
+	//   </pubsub>
+	// </iq>
+	
+	NSXMLElement *configure  = [NSXMLElement elementWithName:@"configure"];
+	[configure addAttributeWithName:@"node" stringValue:node];
+	if (options)
+	{
+		NSXMLElement *x = [self formForOptions:options withFromType:XMLNS_PUBSUB_NODE_CONFIG];
+		[configure addChild:x];
+	}
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB_OWNER];
+	[pubsub addChild:configure];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+
+	[xmppStream sendElement:iq];
+	return uuid;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Publication methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)publishToNode:(NSString *)node entry:(NSXMLElement *)entry
+{
+	return [self publishToNode:node entry:entry withItemID:nil options:nil];
+}
+
+- (NSString *)publishToNode:(NSString *)node entry:(NSXMLElement *)entry withItemID:(NSString *)itemId
+{
+	return [self publishToNode:node entry:entry withItemID:itemId options:nil];
+}
+
+- (NSString *)publishToNode:(NSString *)node
+                      entry:(NSXMLElement *)entry
+                 withItemID:(NSString *)itemId
+                    options:(NSDictionary *)options
+{
+	if (node == nil) return nil;
+	if (entry == nil) return nil;
+	
+	// <iq type='set' from='hamlet@denmark.lit/blogbot' to='pubsub.shakespeare.lit' id='publish1'>
+	//   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+	//     <publish node='princely_musings'>
+	//       <item id='bnd81g37d61f49fgn581'>
+	//         Some content
+	//       </item>
+	//     </publish>
+	//     <publish-options>
+	//       [... FORM ... ]
+	//     </publish-options>
+	//   </pubsub>
+	// </iq>
+    
+	NSString *uuid = [xmppStream generateUUID];
+
+	NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+	if (itemId)
+		[item addAttributeWithName:@"id" stringValue:itemId];
+	[item addChild:entry];
+	
+	NSXMLElement *publish = [NSXMLElement elementWithName:@"publish"];
+	[publish addAttributeWithName:@"node" stringValue:node];
+	[publish addChild:item];
+	
+	NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+	[pubsub addChild:publish];
+	
+	if (options)
+	{
+		// Example from XEP-0060 section 7.1.5:
+		//
+		// <publish-options>
+		//   <x xmlns='jabber:x:data' type='submit'>
+		//     <field var='FORM_TYPE' type='hidden'>
+		//       <value>http://jabber.org/protocol/pubsub#publish-options</value>
+		//     </field>
+		//     <field var='pubsub#access_model'>
+		//       <value>presence</value>
+		//     </field>
+		//   </x>
+		// </publish-options>
+		
+		NSXMLElement *x = [self formForOptions:options withFromType:XMLNS_PUBSUB_PUBLISH_OPTIONS];
+		
+		NSXMLElement *publishOptions = [NSXMLElement elementWithName:@"publish-options"];
+		[publishOptions addChild:x];
+		
+		[pubsub addChild:publishOptions];
+	}
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:serviceJID elementID:uuid];
+	[iq addChild:pubsub];
+	
+	[xmppStream sendElement:iq];
+	
+	dispatch_async(moduleQueue, ^{
+		publishDict[uuid] = node;
+	});
+	return uuid;
+}
+
+- (NSString *)retrieveItemsFromNode:(NSString *)node
+{
+    return [self retrieveItemsFromNode:node withItemIDs:nil];
+}
+
+- (NSString *)retrieveItemsFromNode:(NSString *)node withItemIDs:(NSArray *)itemIds
+{
+    if (node == nil) return nil;
+    
+    // <iq type='get'
+    //     from='francisco@denmark.lit/barracks'
+    //     to='pubsub.shakespeare.lit'
+    //     id='items3'>
+    //   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
+    //     <items node='princely_musings'>
+    //       <item id='368866411b877c30064a5f62b917cffe'/>
+    //       <item id='4e30f35051b7b8b42abe083742187228'/>
+    //     </items>
+    //   </pubsub>
+    // </iq>
+    
+    NSString *uuid = [xmppStream generateUUID];
+    
+    NSXMLElement *items = [NSXMLElement elementWithName:@"items"];
+    [items addAttributeWithName:@"node" stringValue:node];
+    
+    if (itemIds) {
+        for (id itemId in itemIds)
+        {
+            NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+            [item addAttributeWithName:@"id" stringValue:itemId];
+            [items addChild:item];
+        }
+    }
+    
+    NSXMLElement *pubsub = [NSXMLElement elementWithName:@"pubsub" xmlns:XMLNS_PUBSUB];
+    [pubsub addChild:items];
+    
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:serviceJID elementID:uuid];
+    [iq addChild:pubsub];
+    
+    [xmppStream sendElement:iq];
+    
+    dispatch_async(moduleQueue, ^{
+        retrieveItemsDict[uuid] = node;
+    });
+    return uuid;
+}
+
+@end
diff --git a/Extensions/XEP-0065/TURNSocket.h b/Extensions/XEP-0065/TURNSocket.h
new file mode 100644
index 0000000..fc81f5f
--- /dev/null
+++ b/Extensions/XEP-0065/TURNSocket.h
@@ -0,0 +1,80 @@
+#import <Foundation/Foundation.h>
+
+@class XMPPIQ;
+@class XMPPJID;
+@class XMPPStream;
+@class GCDAsyncSocket;
+
+/**
+ * TURNSocket is an implementation of XEP-0065: SOCKS5 Bytestreams.
+ *
+ * It is used for establishing an out-of-band bytestream between any two XMPP users,
+ * mainly for the purpose of file transfer.
+**/
+@interface TURNSocket : NSObject
+{
+	int state;
+	BOOL isClient;
+	
+	dispatch_queue_t turnQueue;
+	void *turnQueueTag;
+	
+	XMPPStream *xmppStream;
+	XMPPJID *jid;
+	NSString *uuid;
+	
+	id delegate;
+	dispatch_queue_t delegateQueue;
+	
+	dispatch_source_t turnTimer;
+	
+	NSString *discoUUID;
+	dispatch_source_t discoTimer;
+	
+	NSArray *proxyCandidates;
+	NSUInteger proxyCandidateIndex;
+	
+	NSMutableArray *candidateJIDs;
+	NSUInteger candidateJIDIndex;
+	
+	NSMutableArray *streamhosts;
+	NSUInteger streamhostIndex;
+	
+	XMPPJID *proxyJID;
+	NSString *proxyHost;
+	UInt16 proxyPort;
+	
+	GCDAsyncSocket *asyncSocket;
+	
+	NSDate *startTime, *finishTime;
+}
+
++ (BOOL)isNewStartTURNRequest:(XMPPIQ *)iq;
+
++ (NSArray *)proxyCandidates;
++ (void)setProxyCandidates:(NSArray *)candidates;
+
+- (id)initWithStream:(XMPPStream *)xmppStream toJID:(XMPPJID *)jid;
+- (id)initWithStream:(XMPPStream *)xmppStream incomingTURNRequest:(XMPPIQ *)iq;
+
+- (void)startWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)aDelegateQueue;
+
+- (BOOL)isClient;
+
+- (void)abort;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol TURNSocketDelegate
+@optional
+
+- (void)turnSocket:(TURNSocket *)sender didSucceed:(GCDAsyncSocket *)socket;
+
+- (void)turnSocketDidFail:(TURNSocket *)sender;
+
+@end
+
diff --git a/Extensions/XEP-0065/TURNSocket.m b/Extensions/XEP-0065/TURNSocket.m
new file mode 100644
index 0000000..121f324
--- /dev/null
+++ b/Extensions/XEP-0065/TURNSocket.m
@@ -0,0 +1,1535 @@
+#import "TURNSocket.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "GCDAsyncSocket.h"
+#import "NSData+XMPP.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+// Define various states
+#define STATE_INIT                0
+
+#define STATE_PROXY_DISCO_ITEMS  10
+#define STATE_PROXY_DISCO_INFO   11
+#define STATE_PROXY_DISCO_ADDR   12
+#define STATE_REQUEST_SENT       13
+#define STATE_INITIATOR_CONNECT  14
+#define STATE_ACTIVATE_SENT      15
+#define STATE_TARGET_CONNECT     20
+#define STATE_DONE               30
+#define STATE_FAILURE            31
+
+// Define various socket tags
+#define SOCKS_OPEN             101
+#define SOCKS_CONNECT          102
+#define SOCKS_CONNECT_REPLY_1  103
+#define SOCKS_CONNECT_REPLY_2  104
+
+// Define various timeouts (in seconds)
+#define TIMEOUT_DISCO_ITEMS   8.00
+#define TIMEOUT_DISCO_INFO    8.00
+#define TIMEOUT_DISCO_ADDR    5.00
+#define TIMEOUT_CONNECT       8.00
+#define TIMEOUT_READ          5.00
+#define TIMEOUT_TOTAL        80.00
+
+// Declare private methods
+@interface TURNSocket (PrivateAPI)
+- (void)processDiscoItemsResponse:(XMPPIQ *)iq;
+- (void)processDiscoInfoResponse:(XMPPIQ *)iq;
+- (void)processDiscoAddressResponse:(XMPPIQ *)iq;
+- (void)processRequestResponse:(XMPPIQ *)iq;
+- (void)processActivateResponse:(XMPPIQ *)iq;
+- (void)performPostInitSetup;
+- (void)queryProxyCandidates;
+- (void)queryNextProxyCandidate;
+- (void)queryCandidateJIDs;
+- (void)queryNextCandidateJID;
+- (void)queryProxyAddress;
+- (void)targetConnect;
+- (void)targetNextConnect;
+- (void)initiatorConnect;
+- (void)setupDiscoTimerForDiscoItems;
+- (void)setupDiscoTimerForDiscoInfo;
+- (void)setupDiscoTimerForDiscoAddress;
+- (void)doDiscoItemsTimeout:(NSString *)uuid;
+- (void)doDiscoInfoTimeout:(NSString *)uuid;
+- (void)doDiscoAddressTimeout:(NSString *)uuid;
+- (void)doTotalTimeout;
+- (void)succeed;
+- (void)fail;
+- (void)cleanup;
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation TURNSocket
+
+static NSMutableDictionary *existingTurnSockets;
+static NSMutableArray *proxyCandidates;
+
+/**
+ * Called automatically (courtesy of Cocoa) before the first method of this class is called.
+ * It may also be called directly, hence the safety mechanism.
+**/
++ (void)initialize
+{
+	static BOOL initialized = NO;
+	if (!initialized)
+	{
+		initialized = YES;
+		
+		existingTurnSockets = [[NSMutableDictionary alloc] init];
+		proxyCandidates = [@[@"jabber.org"] mutableCopy];
+	}
+}
+
+/**
+ * Returns whether or not the given IQ is a new start TURN request.
+ * That is, the IQ must have a query with the proper namespace,
+ * and it must not correspond to an existing TURNSocket.
+**/
++ (BOOL)isNewStartTURNRequest:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	// An incoming turn request looks like this:
+	// 
+	// <iq type="set" from="[jid full]" id="uuid">
+	//   <query xmlns="http://jabber.org/protocol/bytestreams" sid="uuid" mode="tcp">
+	//     <streamhosts>
+	//       <streamhost jid="proxy1.domain.tld" host="100.200.30.41" port"6969"/>
+	//       <streamhost jid="proxy2.domain.tld" host="100.200.30.42" port"6969"/>
+	//     </streamhosts>
+	//   </query>
+	// </iq>
+	// 
+	// From XEP 65 (9.1):
+	// The 'mode' attribute specifies the mode to use, either "tcp" or "udp".
+	// If this attribute is not included, the default value of "tcp" MUST be assumed.
+	// This attribute is OPTIONAL.
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	if (query == nil) {
+		return NO;
+	}
+	
+	NSString *queryMode = [[query attributeForName:@"mode"] stringValue];
+	
+	BOOL isTcpBytestreamQuery = YES;
+	if (queryMode)
+	{
+		isTcpBytestreamQuery = [queryMode caseInsensitiveCompare:@"tcp"] == NSOrderedSame;
+	}
+	
+	if (isTcpBytestreamQuery)
+	{
+		NSString *uuid = [iq elementID];
+		
+		@synchronized(existingTurnSockets)
+		{
+			if (existingTurnSockets[uuid])
+				return NO;
+			else
+				return YES;
+		}
+	}
+	return NO;
+}
+
+/**
+ * Returns a list of proxy candidates.
+ * 
+ * You may want to configure this to include NSUserDefaults stuff, or implement your own static/dynamic list.
+**/
++ (NSArray *)proxyCandidates
+{
+	NSArray *result = nil;
+	
+	@synchronized(proxyCandidates)
+	{
+		XMPPLogTrace();
+		
+		result = [proxyCandidates copy];
+	}
+	
+	return result;
+}
+
++ (void)setProxyCandidates:(NSArray *)candidates
+{
+	@synchronized(proxyCandidates)
+	{
+		XMPPLogTrace();
+		
+		[proxyCandidates removeAllObjects];
+		[proxyCandidates addObjectsFromArray:candidates];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Init, Dealloc
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Initializes a new TURN socket to create a TCP connection by routing through a proxy.
+ * This constructor configures the object to be the client connecting to a server.
+**/
+- (id)initWithStream:(XMPPStream *)stream toJID:(XMPPJID *)aJid
+{
+	if ((self = [super init]))
+	{
+		XMPPLogTrace();
+		
+		// Store references
+		xmppStream = stream;
+		jid = aJid;
+		
+		// Create a uuid to be used as the id for all messages in the stun communication.
+		// This helps differentiate various turn messages between various turn sockets.
+		// Relying only on JID's is troublesome, because client A could be initiating a connection to server B,
+		// while at the same time client B could be initiating a connection to server A.
+		// So an incoming connection from JID clientB@deusty.com/home would be for which turn socket?
+		uuid = [xmppStream generateUUID];
+		
+		// Setup initial state for a client connection
+		state = STATE_INIT;
+		isClient = YES;
+		
+		// Get list of proxy candidates
+		// Each host in this list will be queried to see if it can be used as a proxy
+		proxyCandidates = [[self class] proxyCandidates];
+		
+		// Configure everything else
+		[self performPostInitSetup];
+	}
+	return self;
+}
+
+/**
+ * Initializes a new TURN socket to create a TCP connection by routing through a proxy.
+ * This constructor configures the object to be the server accepting a connection from a client.
+**/
+- (id)initWithStream:(XMPPStream *)stream incomingTURNRequest:(XMPPIQ *)iq
+{
+	if ((self = [super init]))
+	{
+		XMPPLogTrace();
+		
+		// Store references
+		xmppStream = stream;
+		jid = [iq from];
+		
+		// Store a copy of the ID (which will be our uuid)
+		uuid = [[iq elementID] copy];
+		
+		// Setup initial state for a server connection
+		state = STATE_INIT;
+		isClient = NO;
+		
+		// Extract streamhost information from turn request
+		NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+		streamhosts = [[query elementsForName:@"streamhost"] mutableCopy];
+		
+		// Configure everything else
+		[self performPostInitSetup];
+	}
+	return self;
+}
+
+/**
+ * Common initialization tasks shared by all init methods.
+**/
+- (void)performPostInitSetup
+{
+	// Create dispatch queue.
+	
+	turnQueue = dispatch_queue_create("TURNSocket", NULL);
+	
+	turnQueueTag = &turnQueueTag;
+	dispatch_queue_set_specific(turnQueue, turnQueueTag, turnQueueTag, NULL);
+
+	// We want to add this new turn socket to the list of existing sockets.
+	// This gives us a central repository of turn socket objects that we can easily query.
+	
+	@synchronized(existingTurnSockets)
+	{
+		existingTurnSockets[uuid] = self;
+	}
+}
+
+/**
+ * Standard deconstructor.
+ * Release any objects we may have retained.
+ * These objects should all be defined in the header.
+**/
+- (void)dealloc
+{
+	XMPPLogTrace();
+	
+	if ((state > STATE_INIT) && (state < STATE_DONE))
+	{
+		XMPPLogWarn(@"%@: Deallocating prior to completion or cancellation. "
+					@"You should explicitly cancel before releasing.", THIS_FILE);
+	}
+	
+	if (turnTimer)
+		dispatch_source_cancel(turnTimer);
+	
+	if (discoTimer)
+		dispatch_source_cancel(discoTimer);
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (turnQueue)
+		dispatch_release(turnQueue);
+	
+	if (delegateQueue)
+		dispatch_release(delegateQueue);
+	
+	if (turnTimer)
+		dispatch_release(turnTimer);
+	
+	if (discoTimer)
+		dispatch_release(discoTimer);
+	#endif
+	
+	if ([asyncSocket delegate] == self)
+	{
+		[asyncSocket setDelegate:nil delegateQueue:NULL];
+		[asyncSocket disconnect];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Correspondence Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Starts the TURNSocket with the given delegate.
+ * If the TURNSocket has already been started, this method does nothing, and the existing delegate is not changed.
+**/
+- (void)startWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)aDelegateQueue
+{
+	NSParameterAssert(aDelegate != nil);
+	NSParameterAssert(aDelegateQueue != NULL);
+	
+	dispatch_async(turnQueue, ^{ @autoreleasepool {
+		
+		if (state != STATE_INIT)
+		{
+			XMPPLogWarn(@"%@: Ignoring start request. Turn procedure already started.", THIS_FILE);
+			return;
+		}
+		
+		// Set reference to delegate and delegate's queue.
+		// Note that we do NOT retain the delegate.
+		
+		delegate = aDelegate;
+		delegateQueue = aDelegateQueue;
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_retain(delegateQueue);
+		#endif
+		
+		// Add self as xmpp delegate so we'll get message responses
+		[xmppStream addDelegate:self delegateQueue:turnQueue];
+		
+		// Start the timer to calculate how long the procedure takes
+		startTime = [[NSDate alloc] init];
+		
+		// Schedule timer to cancel the turn procedure.
+		// This ensures that, in the event of network error or crash,
+		// the TURNSocket object won't remain in memory forever, and will eventually fail.
+		
+		turnTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, turnQueue);
+		
+		dispatch_source_set_event_handler(turnTimer, ^{ @autoreleasepool {
+			
+			[self doTotalTimeout];
+			
+		}});
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (TIMEOUT_TOTAL * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(turnTimer, tt, DISPATCH_TIME_FOREVER, 0.1);
+		dispatch_resume(turnTimer);
+		
+		// Start the TURN procedure
+		
+		if (isClient)
+			[self queryProxyCandidates];
+		else
+			[self targetConnect];
+		
+	}});
+}
+
+/**
+ * Returns the type of connection
+ * YES for a client connection to a server, NO for a server connection from a client.
+**/
+- (BOOL)isClient
+{
+	// Note: The isClient variable is readonly (set in the init method).
+	
+	return isClient;
+}
+
+/**
+ * Aborts the TURN connection attempt.
+ * The status will be changed to failure, and no delegate messages will be posted.
+**/
+- (void)abort
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ((state > STATE_INIT) && (state < STATE_DONE))
+		{
+			// The only thing we really have to do here is move the state to failure.
+			// This simple act should prevent any further action from being taken in this TUNRSocket object,
+			// since every action is dictated based on the current state.
+			state = STATE_FAILURE;
+			
+			// And don't forget to cleanup after ourselves
+			[self cleanup];
+		}
+	}};
+	
+	if (dispatch_get_specific(turnQueueTag))
+		block();
+	else
+		dispatch_async(turnQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Communication
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Sends the request, from initiator to target, to start a connection to one of the streamhosts.
+ * This method automatically updates the state.
+**/
+- (void)sendRequest
+{
+	NSAssert(isClient, @"Only the Initiator sends the request");
+	
+	XMPPLogTrace();
+	
+	// <iq type="set" to="target" id="123">
+	//   <query xmlns="http://jabber.org/protocol/bytestreams" sid="123" mode="tcp">
+	//     <streamhost jid="proxy.domain1.org" host="100.200.300.401" port="7777"/>
+	//     <streamhost jid="proxy.domain2.org" host="100.200.300.402" port="7777"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	[query addAttributeWithName:@"sid" stringValue:uuid];
+	[query addAttributeWithName:@"mode" stringValue:@"tcp"];
+	
+	NSUInteger i;
+	for(i = 0; i < [streamhosts count]; i++)
+	{
+    [query addChild:streamhosts[i]];
+	}
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:jid elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	// Update state
+	state = STATE_REQUEST_SENT;
+}
+
+/**
+ * Sends the reply, from target to initiator, notifying the initiator of the streamhost we connected to.
+**/
+- (void)sendReply
+{
+	NSAssert(!isClient, @"Only the Target sends the reply");
+	
+	XMPPLogTrace();
+	
+	// <iq type="result" to="initiator" id="123">
+	//   <query xmlns="http://jabber.org/protocol/bytestreams" sid="123">
+	//     <streamhost-used jid="proxy.domain"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *streamhostUsed = [NSXMLElement elementWithName:@"streamhost-used"];
+	[streamhostUsed addAttributeWithName:@"jid" stringValue:[proxyJID full]];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	[query addAttributeWithName:@"sid" stringValue:uuid];
+	[query addChild:streamhostUsed];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"result" to:jid elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+/**
+ * Sends the activate message to the proxy after the target and initiator are both connected to the proxy.
+ * This method automatically updates the state.
+**/
+- (void)sendActivate
+{
+	NSAssert(isClient, @"Only the Initiator activates the proxy");
+	
+	XMPPLogTrace();
+	
+	NSXMLElement *activate = [NSXMLElement elementWithName:@"activate" stringValue:[jid full]];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	[query addAttributeWithName:@"sid" stringValue:uuid];
+	[query addChild:activate];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:proxyJID elementID:uuid child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	// Update state
+	state = STATE_ACTIVATE_SENT;
+}
+
+/**
+ * Sends the error, from target to initiator, notifying the initiator we were unable to connect to any streamhost.
+**/
+- (void)sendError
+{
+	NSAssert(!isClient, @"Only the Target sends the error");
+	
+	XMPPLogTrace();
+	
+	// <iq type="error" to="initiator" id="123">
+	//   <error code="404" type="cancel">
+	//     <item-not-found xmlns="urn:ietf:params:xml:ns:xmpp-stanzas">
+	//   </error>
+	// </iq>
+	
+	NSXMLElement *inf = [NSXMLElement elementWithName:@"item-not-found" xmlns:@"urn:ietf:params:xml:ns:xmpp-stanzas"];
+	
+	NSXMLElement *error = [NSXMLElement elementWithName:@"error"];
+	[error addAttributeWithName:@"code" stringValue:@"404"];
+	[error addAttributeWithName:@"type" stringValue:@"cancel"];
+	[error addChild:inf];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"error" to:jid elementID:uuid child:error];
+	
+	[xmppStream sendElement:iq];
+}
+
+/**
+ * Invoked by XMPPClient when an IQ is received.
+ * We can determine if the IQ applies to us by checking its element ID.
+**/
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// Disco queries (sent to jabber server) use id=discoUUID
+	// P2P queries (sent to other Mojo app) use id=uuid
+	
+	if (state <= STATE_PROXY_DISCO_ADDR)
+	{
+		if (![discoUUID isEqualToString:[iq elementID]])
+		{
+			// Doesn't apply to us, or is a delayed response that we've decided to ignore
+			return NO;
+		}
+	}
+	else
+	{
+		if (![uuid isEqualToString:[iq elementID]])
+		{
+			// Doesn't apply to us
+			return NO;
+		}
+	}
+	
+	XMPPLogTrace2(@"%@: %@ - state(%i)", THIS_FILE, THIS_METHOD, state);
+	
+	if (state == STATE_PROXY_DISCO_ITEMS)
+	{
+		[self processDiscoItemsResponse:iq];
+	}
+	else if (state == STATE_PROXY_DISCO_INFO)
+	{
+		[self processDiscoInfoResponse:iq];
+	}
+	else if (state == STATE_PROXY_DISCO_ADDR)
+	{
+		[self processDiscoAddressResponse:iq];
+	}
+	else if (state == STATE_REQUEST_SENT)
+	{
+		[self processRequestResponse:iq];
+	}
+	else if (state == STATE_ACTIVATE_SENT)
+	{
+		[self processActivateResponse:iq];
+	}
+	
+	return YES;
+}
+
+- (void)processDiscoItemsResponse:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	// We queried the current proxy candidate for all known JIDs in it's disco list.
+	// 
+	// <iq from="domain.org" to="initiator" id="123" type="result">
+	//   <query xmlns="http://jabber.org/protocol/disco#items">
+	//     <item jid="conference.domain.org"/>
+	//     <item jid="proxy.domain.org"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/disco#items"];
+	NSArray *items = [query elementsForName:@"item"];
+	
+	candidateJIDs = [[NSMutableArray alloc] initWithCapacity:[items count]];
+	
+	NSUInteger i;
+	for(i = 0; i < [items count]; i++)
+	{
+		NSString *itemJidStr = [[items[i] attributeForName:@"jid"] stringValue];
+		XMPPJID *itemJid = [XMPPJID jidWithString:itemJidStr];
+		
+		if(itemJid)
+		{
+			[candidateJIDs addObject:itemJid];
+		}
+	}
+	
+	[self queryCandidateJIDs];
+}
+
+- (void)processDiscoInfoResponse:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	// We queried a potential proxy server to see if it was indeed a proxy.
+	// 
+	// <iq from="domain.org" to="initiator" id="123" type="result">
+	//   <query xmlns="http://jabber.org/protocol/disco#info">
+	//     <identity category="proxy" type="bytestreams" name="SOCKS5 Bytestreams Service"/>
+	//     <feature var="http://jabber.org/protocol/bytestreams"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/disco#info"];
+	NSArray *identities = [query elementsForName:@"identity"];
+	
+	BOOL found = NO;
+	
+	NSUInteger i;
+	for(i = 0; i < [identities count] && !found; i++)
+	{
+		NSXMLElement *identity = identities[i];
+		
+		NSString *category = [[identity attributeForName:@"category"] stringValue];
+		NSString *type = [[identity attributeForName:@"type"] stringValue];
+		
+		if([category isEqualToString:@"proxy"] && [type isEqualToString:@"bytestreams"])
+		{
+			found = YES;
+		}
+	}
+	
+	if(found)
+	{
+		// We found a proxy service!
+		// Now we query the proxy for its public IP and port.
+		[self queryProxyAddress];
+	}
+	else
+	{
+		// There are many jabber servers out there that advertise a proxy service via JID proxy.domain.tld.
+		// However, not all of these servers have an entry for proxy.domain.tld in the DNS servers.
+		// Thus, when we try to query the proxy JID, we end up getting a 404 error because our
+		// jabber server was unable to connect to the given JID.
+		// 
+		// We could ignore the 404 error, and try to connect anyways,
+		// but this would be useless because we'd be unable to activate the stream later.
+		
+		XMPPJID *candidateJID = candidateJIDs[candidateJIDIndex];
+		
+		// So the service was not a useable proxy service, or will not allow us to use its proxy.
+		// 
+		// Now most servers have serveral services such as proxy, conference, pubsub, etc.
+		// If we queried a JID that started with "proxy", and it said no,
+		// chances are that none of the other services are proxies either,
+		// so we might as well not waste our time querying them.
+		
+		if([[candidateJID domain] hasPrefix:@"proxy"])
+		{
+			// Move on to the next server
+			[self queryNextProxyCandidate];
+		}
+		else
+		{
+			// Try the next JID in the list from the server
+			[self queryNextCandidateJID];
+		}
+	}
+}
+
+- (void)processDiscoAddressResponse:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	// We queried a proxy for its public IP and port.
+	// 
+	// <iq from="domain.org" to="initiator" id="123" type="result">
+	//   <query xmlns="http://jabber.org/protocol/bytestreams">
+	//     <streamhost jid="proxy.domain.org" host="100.200.300.400" port="7777"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	NSXMLElement *streamhost = [query elementForName:@"streamhost"];
+	
+	NSString *jidStr = [[streamhost attributeForName:@"jid"] stringValue];
+	XMPPJID *streamhostJID = [XMPPJID jidWithString:jidStr];
+	
+	NSString *host = [[streamhost attributeForName:@"host"] stringValue];
+	UInt16 port = [[[streamhost attributeForName:@"port"] stringValue] intValue];
+	
+	if(streamhostJID != nil || host != nil || port > 0)
+	{
+		[streamhost detach];
+		[streamhosts addObject:streamhost];
+	}
+	
+	// Finished with the current proxy candidate - move on to the next
+	[self queryNextProxyCandidate];
+}
+
+- (void)processRequestResponse:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	// Target has replied - hopefully they've been able to connect to one of the streamhosts
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	NSXMLElement *streamhostUsed = [query elementForName:@"streamhost-used"];
+	
+	NSString *streamhostUsedJID = [[streamhostUsed attributeForName:@"jid"] stringValue];
+	
+	BOOL found = NO;
+	NSUInteger i;
+	for(i = 0; i < [streamhosts count] && !found; i++)
+	{
+		NSXMLElement *streamhost = streamhosts[i];
+		
+		NSString *streamhostJID = [[streamhost attributeForName:@"jid"] stringValue];
+		
+		if([streamhostJID isEqualToString:streamhostUsedJID])
+		{
+			NSAssert(proxyJID == nil && proxyHost == nil, @"proxy and proxyHost are expected to be nil");
+			
+			proxyJID = [XMPPJID jidWithString:streamhostJID];
+			
+			proxyHost = [[streamhost attributeForName:@"host"] stringValue];
+			if([proxyHost isEqualToString:@"0.0.0.0"])
+			{
+				proxyHost = [proxyJID full];
+			}
+			
+			proxyPort = [[[streamhost attributeForName:@"port"] stringValue] intValue];
+			
+			found = YES;
+		}
+	}
+	
+	if(found)
+	{
+		// The target is connected to the proxy
+		// Now it's our turn to connect
+		[self initiatorConnect];
+	}
+	else
+	{
+		// Target was unable to connect to any of the streamhosts we sent it
+		[self fail];
+	}
+}
+
+- (void)processActivateResponse:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	NSString *type = [[iq attributeForName:@"type"] stringValue];
+	
+	BOOL activated = NO;
+	if (type)
+	{
+		activated = [type caseInsensitiveCompare:@"result"] == NSOrderedSame;
+	}
+	
+	if (activated) {
+		[self succeed];
+	}
+	else {
+		[self fail];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Proxy Discovery
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Each query we send during the proxy discovery process has a different element id.
+ * This allows us to easily use timeouts, so we can recover from offline servers, and overly slow servers.
+ * In other words, changing the discoUUID allows us to easily ignore delayed responses from a server.
+**/
+- (void)updateDiscoUUID
+{
+	discoUUID = [xmppStream generateUUID];
+}
+
+/**
+ * Initiates the process of querying each item in the proxyCandidates array to determine if it supports XEP-65.
+ * In order to do this we have to:
+ * - ask the server for a list of services, which returns a list of JIDs
+ * - query each service JID to determine if it's a proxy
+ * - if it is a proxy, we ask the proxy for it's public IP and port
+**/
+- (void)queryProxyCandidates
+{
+	XMPPLogTrace();
+	
+	// Prepare the streamhosts array, which will hold all of our results
+	streamhosts = [[NSMutableArray alloc] initWithCapacity:[proxyCandidates count]];
+	
+	// Start querying each candidate in order
+	proxyCandidateIndex = -1;
+	[self queryNextProxyCandidate];
+}
+
+/**
+ * Queries the next proxy candidate in the list.
+ * If we've queried every candidate, then sends the request to the target, or fails if no proxies were found.
+**/
+- (void)queryNextProxyCandidate
+{
+	XMPPLogTrace();
+	
+	// Update state
+	state = STATE_PROXY_DISCO_ITEMS;
+	
+	// We start off with multiple proxy candidates (servers that have been known to be proxy servers in the past).
+	// We can stop when we've found at least 2 proxies.
+	
+	XMPPJID *proxyCandidateJID = nil;
+	
+	if ([streamhosts count] < 2)
+	{
+		while ((proxyCandidateJID == nil) && (++proxyCandidateIndex < [proxyCandidates count]))
+		{
+			NSString *proxyCandidate = proxyCandidates[proxyCandidateIndex];
+			proxyCandidateJID = [XMPPJID jidWithString:proxyCandidate];
+			
+			if (proxyCandidateJID == nil)
+			{
+				XMPPLogWarn(@"%@: Invalid proxy candidate '%@', not a valid JID", THIS_FILE, proxyCandidate);
+			}
+		}
+	}
+	
+	if (proxyCandidateJID)
+	{
+		[self updateDiscoUUID];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/disco#items"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:proxyCandidateJID elementID:discoUUID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[self setupDiscoTimerForDiscoItems];
+	}
+	else
+	{
+		if ([streamhosts count] > 0)
+		{
+			// We've got a list of potential proxy servers to send to the initiator
+			
+			XMPPLogVerbose(@"%@: Streamhosts: \n%@", THIS_FILE, streamhosts);
+			
+			[self sendRequest];
+		}
+		else
+		{
+			// We were unable to find a single proxy server from our list
+			
+			XMPPLogVerbose(@"%@: No proxies found", THIS_FILE);
+			
+			[self fail];
+		}
+	}
+}
+
+/**
+ * Initiates the process of querying each candidate JID to determine if it represents a proxy service.
+ * This process will be stopped when a proxy service is found, or after each candidate JID has been queried.
+**/
+- (void)queryCandidateJIDs
+{
+	XMPPLogTrace();
+	
+	// Most of the time, the proxy will have a domain name that includes the word "proxy".
+	// We can speed up the process of discovering the proxy by searching for these domains, and querying them first.
+	
+	NSUInteger i;
+	for (i = 0; i < [candidateJIDs count]; i++)
+	{
+		XMPPJID *candidateJID = candidateJIDs[i];
+		
+		NSRange proxyRange = [[candidateJID domain] rangeOfString:@"proxy" options:NSCaseInsensitiveSearch];
+		
+		if (proxyRange.length > 0)
+		{
+			[candidateJIDs removeObjectAtIndex:i];
+			[candidateJIDs insertObject:candidateJID atIndex:0];
+		}
+	}
+	
+	XMPPLogVerbose(@"%@: CandidateJIDs: \n%@", THIS_FILE, candidateJIDs);
+	
+	// Start querying each candidate in order (we can stop when we find one)
+	candidateJIDIndex = -1;
+	[self queryNextCandidateJID];
+}
+
+/**
+ * Queries the next candidate JID in the list.
+ * If we've queried every item, we move on to the next proxy candidate.
+**/
+- (void)queryNextCandidateJID
+{
+	XMPPLogTrace();
+	
+	// Update state
+	state = STATE_PROXY_DISCO_INFO;
+	
+	candidateJIDIndex++;
+	if (candidateJIDIndex < [candidateJIDs count])
+	{
+		[self updateDiscoUUID];
+		
+		XMPPJID *candidateJID = candidateJIDs[candidateJIDIndex];
+		
+		NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/disco#info"];
+		
+		XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:candidateJID elementID:discoUUID child:query];
+		
+		[xmppStream sendElement:iq];
+		
+		[self setupDiscoTimerForDiscoInfo];
+	}
+	else
+	{
+		// Ran out of candidate JIDs for the current proxy candidate.
+		// Time to move on to the next proxy candidate.
+		[self queryNextProxyCandidate];
+	}
+}
+
+/**
+ * Once we've discovered a proxy service, we need to query it to obtain its public IP and port.
+**/
+- (void)queryProxyAddress
+{
+	XMPPLogTrace();
+	
+	// Update state
+	state = STATE_PROXY_DISCO_ADDR;
+	
+	[self updateDiscoUUID];
+	
+	XMPPJID *candidateJID = candidateJIDs[candidateJIDIndex];
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/bytestreams"];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:candidateJID elementID:discoUUID child:query];
+	
+	[xmppStream sendElement:iq];
+	
+	[self setupDiscoTimerForDiscoAddress];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Proxy Connection
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)targetConnect
+{
+	XMPPLogTrace();
+	
+	// Update state
+	state = STATE_TARGET_CONNECT;
+	
+	// Start trying to connect to each streamhost in order
+	streamhostIndex = -1;
+	[self targetNextConnect];
+}
+
+- (void)targetNextConnect
+{
+	XMPPLogTrace();
+	
+	streamhostIndex++;
+	if(streamhostIndex < [streamhosts count])
+	{
+		NSXMLElement *streamhost = streamhosts[streamhostIndex];
+		
+		
+		proxyJID = [XMPPJID jidWithString:[[streamhost attributeForName:@"jid"] stringValue]];
+		
+		proxyHost = [[streamhost attributeForName:@"host"] stringValue];
+		if([proxyHost isEqualToString:@"0.0.0.0"])
+		{
+			proxyHost = [proxyJID full];
+		}
+		
+		proxyPort = [[[streamhost attributeForName:@"port"] stringValue] intValue];
+		
+		if (asyncSocket == nil)
+		{
+			asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:turnQueue];
+		}
+		else
+		{
+			NSAssert([asyncSocket isDisconnected], @"Expecting the socket to be disconnected at this point...");
+		}
+		
+		XMPPLogVerbose(@"TURNSocket: targetNextConnect: %@(%@:%hu)", [proxyJID full], proxyHost, proxyPort);
+		
+		NSError *err = nil;
+		if (![asyncSocket connectToHost:proxyHost onPort:proxyPort withTimeout:TIMEOUT_CONNECT error:&err])
+		{
+			XMPPLogError(@"TURNSocket: targetNextConnect: err: %@", err);
+			[self targetNextConnect];
+		}
+	}
+	else
+	{
+		[self sendError];
+		[self fail];
+	}
+}
+
+- (void)initiatorConnect
+{
+	NSAssert(asyncSocket == nil, @"Expecting asyncSocket to be nil");
+	
+	asyncSocket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:turnQueue];
+	
+	XMPPLogVerbose(@"TURNSocket: initiatorConnect: %@(%@:%hu)", [proxyJID full], proxyHost, proxyPort);
+	
+	NSError *err = nil;
+	if (![asyncSocket connectToHost:proxyHost onPort:proxyPort withTimeout:TIMEOUT_CONNECT error:&err])
+	{
+		XMPPLogError(@"TURNSocket: initiatorConnect: err: %@", err);
+		[self fail];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark SOCKS
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Sends the SOCKS5 open/handshake/authentication data, and starts reading the response.
+ * We attempt to gain anonymous access (no authentication).
+**/
+- (void)socksOpen
+{
+	XMPPLogTrace();
+	
+	//      +-----+-----------+---------+
+	// NAME | VER | NMETHODS  | METHODS |
+	//      +-----+-----------+---------+
+	// SIZE |  1  |    1      | 1 - 255 |
+	//      +-----+-----------+---------+
+	//
+	// Note: Size is in bytes
+	// 
+	// Version    = 5 (for SOCKS5)
+	// NumMethods = 1
+	// Method     = 0 (No authentication, anonymous access)
+	
+	void *byteBuffer = malloc(3);
+	
+	UInt8 ver = 5;
+	memcpy(byteBuffer+0, &ver, sizeof(ver));
+	
+	UInt8 nMethods = 1;
+	memcpy(byteBuffer+1, &nMethods, sizeof(nMethods));
+	
+	UInt8 method = 0;
+	memcpy(byteBuffer+2, &method, sizeof(method));
+	
+	NSData *data = [NSData dataWithBytesNoCopy:byteBuffer length:3 freeWhenDone:YES];
+	XMPPLogVerbose(@"TURNSocket: SOCKS_OPEN: %@", data);
+	
+	[asyncSocket writeData:data withTimeout:-1 tag:SOCKS_OPEN];
+	
+	//      +-----+--------+
+	// NAME | VER | METHOD |
+	//      +-----+--------+
+	// SIZE |  1  |   1    |
+	//      +-----+--------+
+	//
+	// Note: Size is in bytes
+	// 
+	// Version = 5 (for SOCKS5)
+	// Method  = 0 (No authentication, anonymous access)
+	
+	[asyncSocket readDataToLength:2 withTimeout:TIMEOUT_READ tag:SOCKS_OPEN];
+}
+
+/**
+ * Sends the SOCKS5 connect data (according to XEP-65), and starts reading the response.
+**/
+- (void)socksConnect
+{
+	XMPPLogTrace();
+	
+	XMPPJID *myJID = [xmppStream myJID];
+	
+	// From XEP-0065:
+	// 
+	// The [address] MUST be SHA1(SID + Initiator JID + Target JID) and
+	// the output is hexadecimal encoded (not binary).
+	
+	XMPPJID *initiatorJID = isClient ? myJID : jid;
+	XMPPJID *targetJID    = isClient ? jid   : myJID;
+	
+	NSString *hashMe = [NSString stringWithFormat:@"%@%@%@", uuid, [initiatorJID full], [targetJID full]];
+	NSData *hashRaw = [[hashMe dataUsingEncoding:NSUTF8StringEncoding] xmpp_sha1Digest];
+	NSData *hash = [[hashRaw xmpp_hexStringValue] dataUsingEncoding:NSUTF8StringEncoding];
+	
+	XMPPLogVerbose(@"TURNSocket: hashMe : %@", hashMe);
+	XMPPLogVerbose(@"TURNSocket: hashRaw: %@", hashRaw);
+	XMPPLogVerbose(@"TURNSocket: hash   : %@", hash);
+	
+	//      +-----+-----+-----+------+------+------+
+	// NAME | VER | CMD | RSV | ATYP | ADDR | PORT |
+	//      +-----+-----+-----+------+------+------+
+	// SIZE |  1  |  1  |  1  |  1   | var  |  2   |
+	//      +-----+-----+-----+------+------+------+
+	//
+	// Note: Size is in bytes
+	// 
+	// Version      = 5 (for SOCKS5)
+	// Command      = 1 (for Connect)
+	// Reserved     = 0
+	// Address Type = 3 (1=IPv4, 3=DomainName 4=IPv6)
+	// Address      = P:D (P=LengthOfDomain D=DomainWithoutNullTermination)
+	// Port         = 0
+	
+	uint byteBufferLength = (uint)(4 + 1 + [hash length] + 2);
+	void *byteBuffer = malloc(byteBufferLength);
+	
+	UInt8 ver = 5;
+	memcpy(byteBuffer+0, &ver, sizeof(ver));
+	
+	UInt8 cmd = 1;
+	memcpy(byteBuffer+1, &cmd, sizeof(cmd));
+	
+	UInt8 rsv = 0;
+	memcpy(byteBuffer+2, &rsv, sizeof(rsv));
+	
+	UInt8 atyp = 3;
+	memcpy(byteBuffer+3, &atyp, sizeof(atyp));
+	
+	UInt8 hashLength = [hash length];
+	memcpy(byteBuffer+4, &hashLength, sizeof(hashLength));
+	
+	memcpy(byteBuffer+5, [hash bytes], [hash length]);
+	
+	UInt16 port = 0;
+	memcpy(byteBuffer+5+[hash length], &port, sizeof(port));
+	
+	NSData *data = [NSData dataWithBytesNoCopy:byteBuffer length:byteBufferLength freeWhenDone:YES];
+	XMPPLogVerbose(@"TURNSocket: SOCKS_CONNECT: %@", data);
+	
+	[asyncSocket writeData:data withTimeout:-1 tag:SOCKS_CONNECT];
+	
+	//      +-----+-----+-----+------+------+------+
+	// NAME | VER | REP | RSV | ATYP | ADDR | PORT |
+	//      +-----+-----+-----+------+------+------+
+	// SIZE |  1  |  1  |  1  |  1   | var  |  2   |
+	//      +-----+-----+-----+------+------+------+
+	//
+	// Note: Size is in bytes
+	// 
+	// Version      = 5 (for SOCKS5)
+	// Reply        = 0 (0=Succeeded, X=ErrorCode)
+	// Reserved     = 0
+	// Address Type = 3 (1=IPv4, 3=DomainName 4=IPv6)
+	// Address      = P:D (P=LengthOfDomain D=DomainWithoutNullTermination)
+	// Port         = 0
+	// 
+	// It is expected that the SOCKS server will return the same address given in the connect request.
+	// But according to XEP-65 this is only marked as a SHOULD and not a MUST.
+	// So just in case, we'll read up to the address length now, and then read in the address+port next.
+	
+	[asyncSocket readDataToLength:5 withTimeout:TIMEOUT_READ tag:SOCKS_CONNECT_REPLY_1];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark AsyncSocket Delegate Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(UInt16)port
+{
+	XMPPLogTrace();
+	
+	// Start the SOCKS protocol stuff
+	[self socksOpen];
+}
+
+- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag
+{
+	XMPPLogTrace();
+	
+	if (tag == SOCKS_OPEN)
+	{
+		// See socksOpen method for socks reply format
+		
+		UInt8 ver = [NSNumber xmpp_extractUInt8FromData:data atOffset:0];
+		UInt8 mtd = [NSNumber xmpp_extractUInt8FromData:data atOffset:1];
+		
+		XMPPLogVerbose(@"TURNSocket: SOCKS_OPEN: ver(%o) mtd(%o)", ver, mtd);
+		
+		if(ver == 5 && mtd == 0)
+		{
+			[self socksConnect];
+		}
+		else
+		{
+			// Some kind of error occurred.
+			// The proxy probably requires some kind of authentication.
+			[asyncSocket disconnect];
+		}
+	}
+	else if (tag == SOCKS_CONNECT_REPLY_1)
+	{
+		// See socksConnect method for socks reply format
+		
+		XMPPLogVerbose(@"TURNSocket: SOCKS_CONNECT_REPLY_1: %@", data);
+		
+		UInt8 ver = [NSNumber xmpp_extractUInt8FromData:data atOffset:0];
+		UInt8 rep = [NSNumber xmpp_extractUInt8FromData:data atOffset:1];
+		
+		XMPPLogVerbose(@"TURNSocket: SOCKS_CONNECT_REPLY_1: ver(%o) rep(%o)", ver, rep);
+		
+		if(ver == 5 && rep == 0)
+		{
+			// We read in 5 bytes which we expect to be:
+			// 0: ver  = 5
+			// 1: rep  = 0
+			// 2: rsv  = 0
+			// 3: atyp = 3
+			// 4: size = size of addr field
+			// 
+			// However, some servers don't follow the protocol, and send a atyp value of 0.
+			
+			UInt8 atyp = [NSNumber xmpp_extractUInt8FromData:data atOffset:3];
+			
+			if (atyp == 3)
+			{
+				UInt8 addrLength = [NSNumber xmpp_extractUInt8FromData:data atOffset:4];
+				UInt8 portLength = 2;
+				
+				XMPPLogVerbose(@"TURNSocket: addrLength: %o", addrLength);
+				XMPPLogVerbose(@"TURNSocket: portLength: %o", portLength);
+				
+				[asyncSocket readDataToLength:(addrLength+portLength)
+								  withTimeout:TIMEOUT_READ
+										  tag:SOCKS_CONNECT_REPLY_2];
+			}
+			else if (atyp == 0)
+			{
+				// The size field was actually the first byte of the port field
+				// We just have to read in that last byte
+				[asyncSocket readDataToLength:1 withTimeout:TIMEOUT_READ tag:SOCKS_CONNECT_REPLY_2];
+			}
+			else
+			{
+				XMPPLogError(@"TURNSocket: Unknown atyp field in connect reply");
+				[asyncSocket disconnect];
+			}
+		}
+		else
+		{
+			// Some kind of error occurred.
+			[asyncSocket disconnect];
+		}
+	}
+	else if (tag == SOCKS_CONNECT_REPLY_2)
+	{
+		// See socksConnect method for socks reply format
+		
+		XMPPLogVerbose(@"TURNSocket: SOCKS_CONNECT_REPLY_2: %@", data);
+		
+		if (isClient)
+		{
+			[self sendActivate];
+		}
+		else
+		{
+			[self sendReply];
+			[self succeed];
+		}
+	}
+}
+
+- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err
+{
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, err);
+	
+	if (state == STATE_TARGET_CONNECT)
+	{
+		[self targetNextConnect];
+	}
+	else if (state == STATE_INITIATOR_CONNECT)
+	{
+		[self fail];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Timeouts
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setupDiscoTimer:(NSTimeInterval)timeout
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	if (discoTimer == NULL)
+	{
+		discoTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, turnQueue);
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(discoTimer, tt, DISPATCH_TIME_FOREVER, 0.1);
+		dispatch_resume(discoTimer);
+	}
+	else
+	{
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(discoTimer, tt, DISPATCH_TIME_FOREVER, 0.1);
+	}
+}
+
+- (void)setupDiscoTimerForDiscoItems
+{
+	XMPPLogTrace();
+	
+	[self setupDiscoTimer:TIMEOUT_DISCO_ITEMS];
+	
+	NSString *theUUID = discoUUID;
+	
+	dispatch_source_set_event_handler(discoTimer, ^{ @autoreleasepool {
+		
+		[self doDiscoItemsTimeout:theUUID];
+	}});
+}
+
+- (void)setupDiscoTimerForDiscoInfo
+{
+	XMPPLogTrace();
+	
+	[self setupDiscoTimer:TIMEOUT_DISCO_INFO];
+	
+	NSString *theUUID = discoUUID;
+	
+	dispatch_source_set_event_handler(discoTimer, ^{ @autoreleasepool {
+		
+		[self doDiscoInfoTimeout:theUUID];
+	}});
+}
+
+- (void)setupDiscoTimerForDiscoAddress
+{
+	XMPPLogTrace();
+	
+	[self setupDiscoTimer:TIMEOUT_DISCO_ADDR];
+	
+	NSString *theUUID = discoUUID;
+	
+	dispatch_source_set_event_handler(discoTimer, ^{ @autoreleasepool {
+		
+		[self doDiscoAddressTimeout:theUUID];
+	}});
+}
+
+- (void)doDiscoItemsTimeout:(NSString *)theUUID
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	if (state == STATE_PROXY_DISCO_ITEMS)
+	{
+		if ([theUUID isEqualToString:discoUUID])
+		{
+			XMPPLogTrace();
+			
+			// Server isn't responding - server may be offline
+			[self queryNextProxyCandidate];
+		}
+	}
+}
+
+- (void)doDiscoInfoTimeout:(NSString *)theUUID
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	if (state == STATE_PROXY_DISCO_INFO)
+	{
+		if ([theUUID isEqualToString:discoUUID])
+		{
+			XMPPLogTrace();
+			
+			// Move on to the next proxy candidate
+			[self queryNextProxyCandidate];
+		}
+	}
+}
+
+- (void)doDiscoAddressTimeout:(NSString *)theUUID
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	if (state == STATE_PROXY_DISCO_ADDR)
+	{
+		if ([theUUID isEqualToString:discoUUID])
+		{
+			XMPPLogTrace();
+			
+			// Server is taking a long time to respond to a simple query.
+			// We could jump to the next candidate JID, but we'll take this as a sign of an overloaded server.
+			[self queryNextProxyCandidate];
+		}
+	}
+}
+
+- (void)doTotalTimeout
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	if ((state != STATE_DONE) && (state != STATE_FAILURE))
+	{
+		XMPPLogTrace();
+		
+		// A timeout occured to cancel the entire TURN procedure.
+		// This probably means the other endpoint crashed, or a network error occurred.
+		// In either case, we can consider this a failure, and recycle the memory associated with this object.
+		
+		[self fail];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Finish and Cleanup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)succeed
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Record finish time
+	finishTime = [[NSDate alloc] init];
+	
+	// Update state
+	state = STATE_DONE;
+	
+	dispatch_async(delegateQueue, ^{ @autoreleasepool {
+		
+		if ([delegate respondsToSelector:@selector(turnSocket:didSucceed:)])
+		{
+			[delegate turnSocket:self didSucceed:asyncSocket];
+		}
+	}});
+	
+	[self cleanup];
+}
+
+- (void)fail
+{
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Record finish time
+	finishTime = [[NSDate alloc] init];
+	
+	// Update state
+	state = STATE_FAILURE;
+	
+	dispatch_async(delegateQueue, ^{ @autoreleasepool {
+		
+		if ([delegate respondsToSelector:@selector(turnSocketDidFail:)])
+		{
+			[delegate turnSocketDidFail:self];
+		}
+		
+	}});
+	
+	[self cleanup];
+}
+
+- (void)cleanup
+{
+	// This method must be run on the turnQueue
+	NSAssert(dispatch_get_specific(turnQueueTag), @"Invoked on incorrect queue.");
+	
+	XMPPLogTrace();
+	
+	if (turnTimer)
+	{
+		dispatch_source_cancel(turnTimer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(turnTimer);
+		#endif
+		turnTimer = NULL;
+	}
+	
+	if (discoTimer)
+	{
+		dispatch_source_cancel(discoTimer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(discoTimer);
+		#endif
+		discoTimer = NULL;
+	}
+	
+	// Remove self as xmpp delegate
+	[xmppStream removeDelegate:self delegateQueue:turnQueue];
+	
+	// Remove self from existingStuntSockets dictionary so we can be deallocated
+	@synchronized(existingTurnSockets)
+	{
+		[existingTurnSockets removeObjectForKey:uuid];
+	}
+}
+
+@end
diff --git a/Extensions/XEP-0066/XMPPIQ+XEP_0066.h b/Extensions/XEP-0066/XMPPIQ+XEP_0066.h
new file mode 100644
index 0000000..4c110ba
--- /dev/null
+++ b/Extensions/XEP-0066/XMPPIQ+XEP_0066.h
@@ -0,0 +1,45 @@
+#import "XMPPIQ.h"
+
+@interface XMPPIQ (XEP_0066)
+
++ (XMPPIQ *)outOfBandDataRequestTo:(XMPPJID *)jid
+						 elementID:(NSString *)eid
+							   URL:(NSURL *)URL
+							  desc:(NSString *)dec;
+
++ (XMPPIQ *)outOfBandDataRequestTo:(XMPPJID *)jid
+						 elementID:(NSString *)eid
+							   URI:(NSString *)URI
+							  desc:(NSString *)dec;
+
+
+- (id)initOutOfBandDataRequestTo:(XMPPJID *)jid
+					   elementID:(NSString *)eid
+							 URL:(NSURL *)URL
+							desc:(NSString *)dec;
+
+- (id)initOutOfBandDataRequestTo:(XMPPJID *)jid
+					   elementID:(NSString *)eid
+							 URI:(NSString *)URI
+							desc:(NSString *)dec;
+
+- (void)addOutOfBandURL:(NSURL *)URL desc:(NSString *)desc;
+- (void)addOutOfBandURI:(NSString *)URI desc:(NSString *)desc;
+
+- (XMPPIQ *)generateOutOfBandDataSuccessResponse;
+
+- (XMPPIQ *)generateOutOfBandDataFailureResponse;
+
+- (XMPPIQ *)generateOutOfBandDataRejectResponse;
+
+- (BOOL)isOutOfBandDataRequest;
+- (BOOL)isOutOfBandDataFailureResponse;
+- (BOOL)isOutOfBandDataRejectResponse;
+
+- (BOOL)hasOutOfBandData;
+
+- (NSURL *)outOfBandURL;
+- (NSString *)outOfBandURI;
+- (NSString *)outOfBandDesc;
+
+@end
diff --git a/Extensions/XEP-0066/XMPPIQ+XEP_0066.m b/Extensions/XEP-0066/XMPPIQ+XEP_0066.m
new file mode 100644
index 0000000..ce4e4da
--- /dev/null
+++ b/Extensions/XEP-0066/XMPPIQ+XEP_0066.m
@@ -0,0 +1,229 @@
+#import "XMPPIQ+XEP_0066.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define NAME_OUT_OF_BAND @"query"
+#define XMLNS_OUT_OF_BAND @"jabber:iq:oob"
+
+@implementation XMPPIQ (XEP_0066)
+
+
++ (XMPPIQ *)outOfBandDataRequestTo:(XMPPJID *)jid
+						 elementID:(NSString *)eid
+							   URL:(NSURL *)URL
+							  desc:(NSString *)desc
+{
+	return [[XMPPIQ alloc] initOutOfBandDataRequestTo:jid
+											elementID:eid
+												  URL:URL
+												 desc:desc];
+}
+
++ (XMPPIQ *)outOfBandDataRequestTo:(XMPPJID *)jid
+						 elementID:(NSString *)eid
+							   URI:(NSString *)URI
+							  desc:(NSString *)desc
+{
+	return [[XMPPIQ alloc] initOutOfBandDataRequestTo:jid
+											elementID:eid
+												  URI:URI
+												 desc:desc];
+}
+
+
+- (id)initOutOfBandDataRequestTo:(XMPPJID *)jid
+					   elementID:(NSString *)eid
+							 URL:(NSURL *)URL
+							desc:(NSString *)desc
+{
+	if((self = [self initWithType:@"set" to:jid elementID:eid]))
+	{
+		[self addOutOfBandURL:URL desc:desc];
+	}
+	
+	return self;
+}
+
+- (id)initOutOfBandDataRequestTo:(XMPPJID *)jid
+					   elementID:(NSString *)eid
+							 URI:(NSString *)URI
+							desc:(NSString *)desc
+{
+	if((self = [self initWithType:@"set" to:jid elementID:eid]))
+	{
+		[self addOutOfBandURI:URI desc:desc];
+	}
+	
+	return self;
+}
+
+- (void)addOutOfBandURL:(NSURL *)URL desc:(NSString *)desc
+{
+	NSXMLElement *outOfBand = [NSXMLElement elementWithName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	if([[URL path] length])
+	{
+		NSXMLElement *URLElement = [NSXMLElement elementWithName:@"url" stringValue:[URL path]];
+		[outOfBand addChild:URLElement];
+	}
+	
+	if([desc length])
+	{
+		NSXMLElement *descElement = [NSXMLElement elementWithName:@"desc" stringValue:desc];
+		[outOfBand addChild:descElement];
+	}
+	
+	[self addChild:outOfBand];
+}
+
+- (void)addOutOfBandURI:(NSString *)URI desc:(NSString *)desc
+{
+	NSXMLElement *outOfBand = [NSXMLElement elementWithName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	if([URI length])
+	{
+		NSXMLElement *URLElement = [NSXMLElement elementWithName:@"url" stringValue:URI];
+		[outOfBand addChild:URLElement];
+	}
+	
+	if([desc length])
+	{
+		NSXMLElement *descElement = [NSXMLElement elementWithName:@"desc" stringValue:desc];
+		[outOfBand addChild:descElement];
+	}
+	
+	[self addChild:outOfBand];
+}
+
+- (XMPPIQ *)generateOutOfBandDataSuccessResponse
+{
+	return [XMPPIQ iqWithType:@"result" to:[self from] elementID:[self elementID]];
+}
+
+- (XMPPIQ *)generateOutOfBandDataFailureResponse
+{
+	XMPPIQ *outOfBandDataFailureResponse = [XMPPIQ iqWithType:@"error" to:[self from] elementID:[self elementID]];
+	
+	[outOfBandDataFailureResponse addOutOfBandURI:[self outOfBandURI] desc:[self outOfBandDesc]];
+	
+	NSXMLElement *errorElement = [NSXMLElement elementWithName:@"error"];
+	[errorElement addAttributeWithName:@"code" stringValue:@"404"];
+	[errorElement addAttributeWithName:@"type" stringValue:@"cancel"];
+	
+	NSXMLElement *itemNotFoundElement = [NSXMLElement elementWithName:@"item-not-found" xmlns:@"rn:ietf:params:xml:ns:xmpp-stanzas"];
+	[errorElement addChild:itemNotFoundElement];
+	
+	[outOfBandDataFailureResponse addChild:errorElement];
+
+	
+	return outOfBandDataFailureResponse;
+}
+
+- (XMPPIQ *)generateOutOfBandDataRejectResponse
+{
+	XMPPIQ *outOfBandDataRejectResponse = [XMPPIQ iqWithType:@"error" to:[self from] elementID:[self elementID]];
+	
+	[outOfBandDataRejectResponse addOutOfBandURI:[self outOfBandURI] desc:[self outOfBandDesc]];
+
+	NSXMLElement *errorElement = [NSXMLElement elementWithName:@"error"];
+	[errorElement addAttributeWithName:@"code" stringValue:@"406"];
+	[errorElement addAttributeWithName:@"type" stringValue:@"modify"];
+	
+	NSXMLElement *notAcceptableElement = [NSXMLElement elementWithName:@"not-acceptable" xmlns:@"rn:ietf:params:xml:ns:xmpp-stanzas"];
+	[errorElement addChild:notAcceptableElement];
+	
+	[outOfBandDataRejectResponse addChild:errorElement];
+	
+	return outOfBandDataRejectResponse;
+}
+
+- (BOOL)isOutOfBandDataRequest
+{
+	if([self hasOutOfBandData] && [self isSetIQ])
+	{
+		return YES;
+	}else{
+		return NO;
+	}
+}
+
+- (BOOL)isOutOfBandDataFailureResponse
+{
+	NSXMLElement *errorElement = [self elementForName:@"error"];
+
+	NSUInteger errorCode = [errorElement attributeIntegerValueForName:@"code"];
+	NSString *errorType = [errorElement attributeStringValueForName:@"type"];
+	
+	if([self hasOutOfBandData] && [self isErrorIQ] && errorCode == 404 && [errorType isEqualToString:@"cancel"])
+	{
+		return YES;
+	}else{
+		return NO;
+	}
+}
+
+- (BOOL)isOutOfBandDataRejectResponse
+{
+	NSXMLElement *errorElement = [self elementForName:@"error"];
+	
+	NSUInteger errorCode = [errorElement attributeIntegerValueForName:@"code"];
+	NSString *errorType = [errorElement attributeStringValueForName:@"type"];
+	
+	if([self hasOutOfBandData] && [self isErrorIQ] && errorCode == 406 && [errorType isEqualToString:@"modify"])
+	{
+		return YES;
+	}else{
+		return NO;
+	}
+}
+
+- (BOOL)hasOutOfBandData
+{
+	return ([self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND] ? YES : NO);
+}
+
+- (NSURL *)outOfBandURL
+{
+	NSURL *URL = nil;
+	
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *URLElement = [outOfBand elementForName:@"url"];
+	
+	NSString *URLString = [URLElement stringValue];
+	
+	if([URLString length])
+	{
+		URL = [NSURL URLWithString:URLString];
+	}
+	
+	return URL;
+	
+}
+
+- (NSString *)outOfBandURI
+{
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *URLElement = [outOfBand elementForName:@"url"];
+	
+	NSString *URI= [URLElement stringValue];
+	
+	return URI;
+}
+
+- (NSString *)outOfBandDesc
+{
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *descElement = [outOfBand elementForName:@"desc"];
+	
+	NSString *desc = [descElement stringValue];
+	
+	return desc;
+}
+
+@end
diff --git a/Extensions/XEP-0066/XMPPMessage+XEP_0066.h b/Extensions/XEP-0066/XMPPMessage+XEP_0066.h
new file mode 100644
index 0000000..7cc0ab1
--- /dev/null
+++ b/Extensions/XEP-0066/XMPPMessage+XEP_0066.h
@@ -0,0 +1,14 @@
+#import "XMPPMessage.h"
+
+@interface XMPPMessage (XEP_0066)
+
+- (void)addOutOfBandURL:(NSURL *)URL desc:(NSString *)desc;
+- (void)addOutOfBandURI:(NSString *)URI desc:(NSString *)desc;
+
+- (BOOL)hasOutOfBandData;
+
+- (NSURL *)outOfBandURL;
+- (NSString *)outOfBandURI;
+- (NSString *)outOfBandDesc;
+
+@end
diff --git a/Extensions/XEP-0066/XMPPMessage+XEP_0066.m b/Extensions/XEP-0066/XMPPMessage+XEP_0066.m
new file mode 100644
index 0000000..13e78db
--- /dev/null
+++ b/Extensions/XEP-0066/XMPPMessage+XEP_0066.m
@@ -0,0 +1,97 @@
+#import "XMPPMessage+XEP_0066.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define NAME_OUT_OF_BAND @"x"
+#define XMLNS_OUT_OF_BAND @"jabber:x:oob"
+
+@implementation XMPPMessage (XEP_0066)
+
+- (void)addOutOfBandURL:(NSURL *)URL desc:(NSString *)desc
+{
+	NSXMLElement *outOfBand = [NSXMLElement elementWithName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	if([[URL path] length])
+	{
+		NSXMLElement *URLElement = [NSXMLElement elementWithName:@"url" stringValue:[URL path]];
+		[outOfBand addChild:URLElement];
+	}
+	
+	if([desc length])
+	{
+		NSXMLElement *descElement = [NSXMLElement elementWithName:@"desc" stringValue:desc];
+		[outOfBand addChild:descElement];
+	}
+	
+	[self addChild:outOfBand];
+}
+
+- (void)addOutOfBandURI:(NSString *)URI desc:(NSString *)desc
+{
+	NSXMLElement *outOfBand = [NSXMLElement elementWithName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	if([URI length])
+	{
+		NSXMLElement *URLElement = [NSXMLElement elementWithName:@"url" stringValue:URI];
+		[outOfBand addChild:URLElement];
+	}
+	
+	if([desc length])
+	{
+		NSXMLElement *descElement = [NSXMLElement elementWithName:@"desc" stringValue:desc];
+		[outOfBand addChild:descElement];
+	}
+	
+	[self addChild:outOfBand];
+}
+
+- (BOOL)hasOutOfBandData
+{
+	return ([self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND] ? YES : NO);
+}
+
+- (NSURL *)outOfBandURL
+{
+	NSURL *URL = nil;
+	
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *URLElement = [outOfBand elementForName:@"url"];
+	
+	NSString *URLString = [URLElement stringValue];
+	
+	if([URLString length])
+	{
+		URL = [NSURL URLWithString:URLString];
+	}
+	
+	return URL;
+
+}
+
+- (NSString *)outOfBandURI
+{	
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *URLElement = [outOfBand elementForName:@"url"];
+	
+	NSString *URI= [URLElement stringValue];
+	
+	return URI;
+}
+
+- (NSString *)outOfBandDesc
+{
+	NSXMLElement *outOfBand = [self elementForName:NAME_OUT_OF_BAND xmlns:XMLNS_OUT_OF_BAND];
+	
+	NSXMLElement *descElement = [outOfBand elementForName:@"desc"];
+	
+	NSString *desc = [descElement stringValue];
+	
+	return desc;
+}
+
+@end
diff --git a/Extensions/XEP-0077/XMPPRegistration.h b/Extensions/XEP-0077/XMPPRegistration.h
new file mode 100644
index 0000000..94cc5ad
--- /dev/null
+++ b/Extensions/XEP-0077/XMPPRegistration.h
@@ -0,0 +1,94 @@
+//
+// Created by Jonathon Staff on 10/11/14.
+// Copyright (c) 2014 Jonathon Staff. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+
+@class XMPPIDTracker;
+
+#define _XMPP_REGISTRATION_H
+
+@interface XMPPRegistration : XMPPModule {
+  XMPPIDTracker *xmppIDTracker;
+}
+
+/**
+* This method will attempt to change the current user's password to the new one provided. The
+* user *MUST* be authenticated for this to work successfully.
+*
+* @see passwordChangeSuccessful:
+* @see passwordChangeFailed:withError:
+*
+* @param newPassword The new password for the user
+*/
+- (BOOL)changePassword:(NSString *)newPassword;
+
+/**
+* This method will attempt to cancel the current user's registration. Later implementations
+* will provide support for handling authentication challenges by the server. For now,
+* simply pass a value of 'nil' in for password, or preferably, use the other cancellation
+* method.
+*
+* @see cancelRegistration
+*/
+- (BOOL)cancelRegistrationUsingPassword:(NSString *)password;
+
+/**
+* This method will attempt to cancel the current user's registration. The user *MUST* be
+* already authenticated for this to work successfully.
+*
+* @see cancelRegistrationSuccessful:
+* @see cancelRegistrationFailed:withError:
+*/
+- (BOOL)cancelRegistration;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark - XMPPRegistrationDelegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPRegistrationDelegate
+@optional
+
+/**
+* Implement this method when calling [regInstance changePassword:]. It will be invoked
+* if the request for changing the user's password is successfully executed and receives a
+* successful response.
+*
+* @param sender XMPPRegistration object invoking this delegate method.
+*/
+- (void)passwordChangeSuccessful:(XMPPRegistration *)sender;
+
+/**
+* Implement this method when calling [regInstance changePassword:]. It will be invoked
+* if the request for changing the user's password is unsuccessfully executed or receives
+* an unsuccessful response.
+*
+* @param sender XMPPRegistration object invoking this delegate method.
+* @param error NSError containing more details of the failure.
+*/
+- (void)passwordChangeFailed:(XMPPRegistration *)sender withError:(NSError *)error;
+
+/**
+* Implement this method when calling [regInstance cancelRegistration] or a variation. It
+* is invoked if the request for canceling the user's registration is successfully
+* executed and receives a successful response.
+*
+* @param sender XMPPRegistration object invoking this delegate method.
+*/
+- (void)cancelRegistrationSuccessful:(XMPPRegistration *)sender;
+
+/**
+* Implement this method when calling [regInstance cancelRegistration] or a variation. It
+* is invoked if the request for canceling the user's registration is unsuccessfully
+* executed or receives an unsuccessful response.
+*
+* @param sender XMPPRegistration object invoking this delegate method.
+* @param error NSError containing more details of the failure.
+*/
+- (void)cancelRegistrationFailed:(XMPPRegistration *)sender withError:(NSError *)error;
+
+@end
diff --git a/Extensions/XEP-0077/XMPPRegistration.m b/Extensions/XEP-0077/XMPPRegistration.m
new file mode 100644
index 0000000..b1d3bce
--- /dev/null
+++ b/Extensions/XEP-0077/XMPPRegistration.m
@@ -0,0 +1,237 @@
+//
+// Created by Jonathon Staff on 10/11/14.
+// Copyright (c) 2014 Jonathon Staff. All rights reserved.
+//
+
+#import "XMPPRegistration.h"
+#import "XMPPStream.h"
+#import "XMPPIDTracker.h"
+#import "XMPPIQ.h"
+#import "NSXMLElement+XMPP.h"
+
+NSString *const XMPPRegistrationErrorDomain = @"XMPPRegistrationErrorDomain";
+
+@implementation XMPPRegistration
+
+- (void)didActivate
+{
+  xmppIDTracker = [[XMPPIDTracker alloc] initWithStream:xmppStream dispatchQueue:moduleQueue];
+}
+
+- (void)willDeactivate
+{
+  [xmppIDTracker removeAllIDs];
+  xmppIDTracker = nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+* This method provides functionality of XEP-0077 3.3 User Changes Password.
+*
+* @link {http://xmpp.org/extensions/xep-0077.html#usecases-changepw}
+*
+* Example 18. Password Change
+*
+* <iq type='set' to='shakespeare.lit' id='change1'>
+*   <query xmlns='jabber:iq:register'>
+*     <username>bill</username>
+*     <password>newpass</password>
+*   </query>
+* </iq>
+*
+*/
+- (BOOL)changePassword:(NSString *)newPassword
+{
+  if (![xmppStream isAuthenticated])
+    return NO; // You must be authenticated in order to change your password
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSString *toStr = xmppStream.myJID.domain;
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+
+        NSXMLElement *username = [NSXMLElement elementWithName:@"username"
+                                                   stringValue:xmppStream.myJID.user];
+        NSXMLElement *password = [NSXMLElement elementWithName:@"password"
+                                                   stringValue:newPassword];
+        [query addChild:username];
+        [query addChild:password];
+
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                                     to:[XMPPJID jidWithString:toStr]
+                              elementID:[xmppStream generateUUID]
+                                  child:query];
+
+        [xmppIDTracker addID:[iq elementID]
+                      target:self
+                    selector:@selector(handlePasswordChangeQueryIQ:withInfo:)
+                     timeout:60];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+
+  return YES;
+}
+
+/**
+* This method provides functionality of XEP-0077 3.2 Entity Cancels an Existing Registration.
+*
+* @link {http://xmpp.org/extensions/xep-0077.html#usecases-cancel}
+*
+* <iq type='set' from='bill@shakespeare.lit/globe' id='unreg1'>
+*   <query xmlns='jabber:iq:register'>
+*     <remove/>
+*   </query>
+* </iq>
+*
+*/
+- (BOOL)cancelRegistration
+{
+  return [self cancelRegistrationUsingPassword:nil];
+}
+
+/**
+* Same as cancelRegistration. Handling authentication challenges is not yet implemented.
+*/
+- (BOOL)cancelRegistrationUsingPassword:(NSString *)password
+{
+  // TODO: Handle the scenario of using password
+
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+
+        NSXMLElement *remove = [NSXMLElement elementWithName:@"remove"];
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+        [query addChild:remove];
+        XMPPIQ *iq = [XMPPIQ iqWithType:@"set"
+                              elementID:[xmppStream generateUUID]
+                                  child:query];
+
+        [xmppIDTracker addElement:iq
+                           target:self
+                         selector:@selector(handleRegistrationCancelQueryIQ:withInfo:)
+                          timeout:60];
+
+        [xmppStream sendElement:iq];
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+
+  return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark - XMPPIDTracker
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+* This method handles the response received (or not received) after calling changePassword.
+*/
+- (void)handlePasswordChangeQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [[errorElem children] componentsJoinedByString:@", "];
+          NSInteger errCode = [errorElem attributeIntegerValueForName:@"code"
+                                                     withDefaultValue:-1];
+          NSDictionary *errInfo = @{NSLocalizedDescriptionKey : errMsg};
+          NSError *err = [NSError errorWithDomain:XMPPRegistrationErrorDomain
+                                             code:errCode
+                                         userInfo:errInfo];
+
+          [multicastDelegate passwordChangeFailed:self
+                                        withError:err];
+          return;
+        }
+
+        NSString *type = [iq type];
+
+        if ([type isEqualToString:@"result"]) {
+          [multicastDelegate passwordChangeSuccessful:self];
+        } else {
+          // this should be impossible to reach, but just for safety's sake...
+          [multicastDelegate passwordChangeFailed:self
+                                        withError:nil];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+/**
+* This method handles the response received (or not received) after calling cancelRegistration.
+*/
+- (void)handleRegistrationCancelQueryIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)info
+{
+  dispatch_block_t block = ^{
+      @autoreleasepool {
+        NSXMLElement *errorElem = [iq elementForName:@"error"];
+
+        if (errorElem) {
+          NSString *errMsg = [[errorElem children] componentsJoinedByString:@", "];
+          NSInteger errCode = [errorElem attributeIntegerValueForName:@"code"
+                                                     withDefaultValue:-1];
+          NSDictionary *errInfo = @{NSLocalizedDescriptionKey : errMsg};
+          NSError *err = [NSError errorWithDomain:XMPPRegistrationErrorDomain
+                                             code:errCode
+                                         userInfo:errInfo];
+
+          [multicastDelegate cancelRegistrationFailed:self
+                                            withError:err];
+          return;
+        }
+
+        NSString *type = [iq type];
+
+        if ([type isEqualToString:@"result"]) {
+          [multicastDelegate cancelRegistrationSuccessful:self];
+        } else {
+          // this should be impossible to reach, but just for safety's sake...
+          [multicastDelegate cancelRegistrationFailed:self
+                                            withError:nil];
+        }
+      }
+  };
+
+  if (dispatch_get_specific(moduleQueueTag))
+    block();
+  else
+    dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark - XMPPStreamDelegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)xmppStream:(XMPPStream *)stream didReceiveIQ:(XMPPIQ *)iq
+{
+  NSString *type = [iq type];
+
+  if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"]) {
+    return [xmppIDTracker invokeForElement:iq withObject:iq];
+  }
+
+  return NO;
+}
+
+@end
diff --git a/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h b/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h
new file mode 100644
index 0000000..bc142d5
--- /dev/null
+++ b/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h
@@ -0,0 +1,26 @@
+//
+//  NSDate+XMPPDateTimeProfiles.h
+//
+//  NSDate category to implement XEP-0082.
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NSDate(XMPPDateTimeProfiles)
+
+
++ (NSDate *)dateWithXmppDateString:(NSString *)str;
++ (NSDate *)dateWithXmppTimeString:(NSString *)str;
++ (NSDate *)dateWithXmppDateTimeString:(NSString *)str;
+
+
+- (NSString *)xmppDateString;
+- (NSString *)xmppTimeString;
+- (NSString *)xmppDateTimeString;
+
+
+@end
diff --git a/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.m b/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.m
new file mode 100644
index 0000000..2e9e67d
--- /dev/null
+++ b/Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.m
@@ -0,0 +1,80 @@
+//
+//  NSDate+XMPPDateTimeProfiles.m
+//
+//  NSDate category to implement XEP-0082.
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+//  Copyright 2010 Martin Morrison. All rights reserved.
+//
+
+#import "NSDate+XMPPDateTimeProfiles.h"
+#import "XMPPDateTimeProfiles.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface NSDate(XMPPDateTimeProfilesPrivate)
+- (NSString *)xmppStringWithDateFormat:(NSString *)dateFormat;
+@end
+
+#pragma mark -
+
+@implementation NSDate(XMPPDateTimeProfiles)
+
+
+#pragma mark Convert from XMPP string to NSDate
+
+
++ (NSDate *)dateWithXmppDateString:(NSString *)str {
+  return [XMPPDateTimeProfiles parseDate:str];
+}
+
+
++ (NSDate *)dateWithXmppTimeString:(NSString *)str {
+  return [XMPPDateTimeProfiles parseTime:str];
+}
+
+
++ (NSDate *)dateWithXmppDateTimeString:(NSString *)str {
+  return [XMPPDateTimeProfiles parseDateTime:str];
+}
+
+
+#pragma mark Convert from NSDate to XMPP string
+
+
+- (NSString *)xmppDateString {	
+	return [self xmppStringWithDateFormat:@"yyyy-MM-dd"];
+}
+
+
+- (NSString *)xmppTimeString {
+	return [self xmppStringWithDateFormat:@"HH:mm:ss'Z'"];
+}
+
+
+- (NSString *)xmppDateTimeString {
+	return [self xmppStringWithDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
+}
+
+
+#pragma mark XMPPDateTimeProfilesPrivate methods
+
+
+- (NSString *)xmppStringWithDateFormat:(NSString *)dateFormat
+{
+	NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+	[dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+    [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+	[dateFormatter setDateFormat:dateFormat];
+	[dateFormatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
+	
+	NSString *str = [dateFormatter stringFromDate:self];
+	
+	return str;
+}
+
+
+@end
diff --git a/Extensions/XEP-0082/XMPPDateTimeProfiles.h b/Extensions/XEP-0082/XMPPDateTimeProfiles.h
new file mode 100644
index 0000000..5a717e0
--- /dev/null
+++ b/Extensions/XEP-0082/XMPPDateTimeProfiles.h
@@ -0,0 +1,17 @@
+#import <Foundation/Foundation.h>
+#import "NSDate+XMPPDateTimeProfiles.h"
+
+@interface XMPPDateTimeProfiles : NSObject
+
+/**
+ * The following methods attempt to parse the given string following XEP-0082.
+ * They return nil if the given string doesn't follow the spec.
+**/
+
++ (NSDate *)parseDate:(NSString *)dateStr;
++ (NSDate *)parseTime:(NSString *)timeStr;
++ (NSDate *)parseDateTime:(NSString *)dateTimeStr;
+
++ (NSTimeZone *)parseTimeZoneOffset:(NSString *)tzo;
+
+@end
diff --git a/Extensions/XEP-0082/XMPPDateTimeProfiles.m b/Extensions/XEP-0082/XMPPDateTimeProfiles.m
new file mode 100644
index 0000000..e0e444a
--- /dev/null
+++ b/Extensions/XEP-0082/XMPPDateTimeProfiles.m
@@ -0,0 +1,295 @@
+#import "XMPPDateTimeProfiles.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+static NSString * const kXEP0082SharedDateFormatterKey = @"xep0082_shared_date_formatter_key";
+
+@interface XMPPDateTimeProfiles (PrivateAPI)
++ (NSDate *)parseDateTime:(NSString *)dateTimeStr withMandatoryTimeZone:(BOOL)mandatoryTZ;
+@end
+
+
+@implementation XMPPDateTimeProfiles
+
+/**
+ * The following acronyms and characters are used from XEP-0082 to represent time-related concepts:
+ * 
+ * CCYY	four-digit year portion of Date
+ * MM	two-digit month portion of Date
+ * DD	two-digit day portion of Date
+ * -	ISO 8601 separator among Date portions
+ * T	ISO 8601 separator between Date and Time
+ * hh	two-digit hour portion of Time (00 through 23)
+ * mm	two-digit minutes portion of Time (00 through 59)
+ * ss	two-digit seconds portion of Time (00 through 59)
+ * :	ISO 8601 separator among Time portions
+ * .	ISO 8601 separator between seconds and milliseconds
+ * sss	fractional second addendum to Time (MAY contain any number of digits)
+ * TZD	Time Zone Definition (either "Z" for UTC or "(+|-)hh:mm" for a specific time zone)
+ *
+**/
+
++ (NSDate *)parseDate:(NSString *)dateStr
+{
+	if ([dateStr length] < 10) return nil;
+	
+	// The Date profile defines a date without including the time of day.
+	// The lexical representation is as follows:
+	// 
+	// CCYY-MM-DD
+	// 
+	// Example:
+	// 
+	// 1776-07-04
+	
+	NSDateFormatter *df = [self threadDateFormatter];
+	[df setFormatterBehavior:NSDateFormatterBehavior10_4]; // Use unicode patterns (as opposed to 10_3)
+    [df setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+	[df setDateFormat:@"yyyy-MM-dd"];
+	
+	NSDate *result = [df dateFromString:dateStr];
+	
+	return result;
+}
+
++ (NSDate *)parseTime:(NSString *)timeStr
+{
+	// The Time profile is used to specify an instant of time that recurs (e.g., every day).
+	// The lexical representation is as follows:
+	// 
+	// hh:mm:ss[.sss][TZD]
+	// 
+	// The Time Zone Definition is optional; if included, it MUST be either UTC (denoted by addition
+	// of the character 'Z' to the end of the string) or some offset from UTC (denoted by addition
+	// of '[+|-]' and 'hh:mm' to the end of the string).
+	// 
+	// Examples:
+	// 
+	// 16:00:00
+	// 16:00:00Z
+	// 16:00:00+07:00
+	// 16:00:00.123
+	// 16:00:00.123Z
+	// 16:00:00.123+07:00
+	
+	
+	// Extract the current day so the result can be on the current day.
+	// Why do we bother doing this?
+	// 
+	// First, it is rather intuitive.
+	// Second, if we don't we risk being on a date with a conflicting DST (daylight saving time).
+	// 
+	// For example, -0800 instead of the current -0700.
+	// This can be rather confusing when printing the result.
+	
+	NSDateFormatter *df = [self threadDateFormatter];
+	[df setFormatterBehavior:NSDateFormatterBehavior10_4]; // Use unicode patterns (as opposed to 10_3)
+    [df setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+	[df setDateFormat:@"yyyy-MM-dd"];
+	
+	NSString *today = [df stringFromDate:[NSDate date]];
+    
+	NSString *dateTimeStr = [NSString stringWithFormat:@"%@T%@", today, timeStr];
+	
+	return [self parseDateTime:dateTimeStr withMandatoryTimeZone:NO];
+}
+
++ (NSDate *)parseDateTime:(NSString *)dateTimeStr
+{
+	// The DateTime profile is used to specify a non-recurring moment in time to an accuracy of seconds (or,
+	// optionally, fractions of a second). The format is as follows:
+	// 
+	// CCYY-MM-DDThh:mm:ss[.sss]TZD
+	// 
+	// The Time Zone Definition is mandatory and MUST be either UTC (denoted by addition of the character 'Z'
+	// to the end of the string) or some offset from UTC (denoted by addition of '[+|-]' and 'hh:mm' to the
+	// end of the string).
+	// 
+	// Examples:
+	// 
+	// 1969-07-21T02:56:15Z
+	// 1969-07-20T21:56:15-05:00
+	// 1969-07-21T02:56:15.123Z
+	// 1969-07-20T21:56:15.123-05:00
+	
+	return [self parseDateTime:dateTimeStr withMandatoryTimeZone:YES];
+}
+
++ (NSDate *)parseDateTime:(NSString *)dateTimeStr withMandatoryTimeZone:(BOOL)mandatoryTZ
+{
+	if ([dateTimeStr length] < 19) return nil;
+	
+	// The DateTime profile is used to specify a non-recurring moment in time to an accuracy of seconds (or,
+	// optionally, fractions of a second). The format is as follows:
+	// 
+	// CCYY-MM-DDThh:mm:ss[.sss]{TZD}
+	// 
+	// Examples:
+	// 
+	// 1969-07-21T02:56:15
+	// 1969-07-21T02:56:15Z
+	// 1969-07-20T21:56:15-05:00
+	// 1969-07-21T02:56:15.123
+	// 1969-07-21T02:56:15.123Z
+	// 1969-07-20T21:56:15.123-05:00
+	
+	BOOL hasMilliseconds = NO;
+	BOOL hasTimeZoneInfo = NO;
+	BOOL hasTimeZoneOffset = NO;
+	NSInteger fractionalDigits = 0;
+	
+	if ([dateTimeStr length] > 19)
+	{
+		unichar c = [dateTimeStr characterAtIndex:19];
+		
+		// Check for optional milliseconds
+		if (c == '.')
+		{
+			hasMilliseconds = YES;
+
+			// At least one fractional digit?
+			if ([dateTimeStr length] < 21) return nil;
+		}
+		
+		// Check for optional time zone info, which is at the last char (Z), or the
+		// char 6 chars from the end
+		if ([dateTimeStr characterAtIndex:[dateTimeStr length] - 1] == 'Z')
+		{
+			hasTimeZoneInfo = YES;
+			hasTimeZoneOffset = NO;
+			if (hasMilliseconds)
+			{
+				// 1969-07-21T02:56:15.1234Z -> 25 - 1 - 20 = 4
+				fractionalDigits = [dateTimeStr length] - 1 - 20;
+			}
+		}
+		else
+		{
+			c = [dateTimeStr characterAtIndex:[dateTimeStr length] - 6];
+			if (c == '+' || c == '-')
+			{
+				hasTimeZoneInfo = YES;
+				hasTimeZoneOffset = YES;
+				if (hasMilliseconds)
+				{
+					// 1969-07-21T02:56:15.1234+00:00 -> 30 - 6 - 20 = 4
+					fractionalDigits = [dateTimeStr length] - 6 - 20;
+				}
+			}
+			else if (hasMilliseconds)
+			{
+				// 1969-07-21T02:56:15.1234 -> 24 - 20 = 4
+				fractionalDigits = [dateTimeStr length] - 20;
+			}
+		}
+	}
+	
+	if (mandatoryTZ && !hasTimeZoneInfo) return nil;
+	
+	NSDateFormatter *df = [self threadDateFormatter];
+	[df setFormatterBehavior:NSDateFormatterBehavior10_4]; // Use unicode patterns (as opposed to 10_3)
+    [df setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+	[df setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss"];
+
+	NSDate *result = nil;
+	NSString *dateAndTime = [dateTimeStr substringToIndex:19];
+	NSString *fraction = fractionalDigits != 0 ? [NSString stringWithFormat:@"0%@", [dateTimeStr substringWithRange:NSMakeRange(19, fractionalDigits + 1)]] : nil;
+
+	if (hasTimeZoneInfo && !hasTimeZoneOffset)
+	{
+		[df setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
+		result = [df dateFromString:dateAndTime];
+	}
+	else if (hasTimeZoneInfo && hasTimeZoneOffset)
+	{
+		NSString *timeZone = [dateTimeStr substringFromIndex:[dateTimeStr length] - 6];
+		NSTimeZone *tz = [self parseTimeZoneOffset:timeZone];
+		if (tz == nil)
+		{
+			result = nil;
+		}
+		else
+		{
+			[df setTimeZone:tz];
+			result = [df dateFromString:dateAndTime];
+		}
+	}
+	else
+	{
+		result = [df dateFromString:dateAndTime];
+	}
+
+	if (result && fraction)
+	{
+		static NSNumberFormatter *numberFormatter = nil;
+		static dispatch_once_t onceToken;
+		dispatch_once(&onceToken, ^{
+			numberFormatter = [[NSNumberFormatter alloc] init];
+			[numberFormatter setFormatterBehavior:NSNumberFormatterBehavior10_4];
+			[numberFormatter setDecimalSeparator:@"."];
+		});
+
+		NSTimeInterval fractionInterval = [[numberFormatter numberFromString:fraction] doubleValue];
+		NSTimeInterval current = [result timeIntervalSinceReferenceDate];
+		result = [NSDate dateWithTimeIntervalSinceReferenceDate:floor(current) + fractionInterval];
+	}
+
+	return result;
+}
+
++ (NSTimeZone *)parseTimeZoneOffset:(NSString *)tzo
+{
+	// The tzo value is supposed to start with '+' or '-'.
+	// Spec says: (+-)hh:mm
+	// 
+	// hh : two-digit hour portion (00 through 23)
+	// mm : two-digit minutes portion (00 through 59)
+	
+	if ([tzo length] != 6)
+	{
+		return nil;
+	}
+	
+	NSString *hoursStr   = [tzo substringWithRange:NSMakeRange(1, 2)];
+	NSString *minutesStr = [tzo substringWithRange:NSMakeRange(4, 2)];
+	
+	NSUInteger hours;
+	if (![NSNumber xmpp_parseString:hoursStr intoNSUInteger:&hours])
+		return nil;
+	
+	NSUInteger minutes;
+	if (![NSNumber xmpp_parseString:minutesStr intoNSUInteger:&minutes])
+		return nil;
+	
+	if (hours > 23) return nil;
+	if (minutes > 59) return nil;
+	
+	NSInteger secondsOffset = (NSInteger)((hours * 60 * 60) + (minutes * 60));
+	
+	if ([tzo hasPrefix:@"-"])
+	{
+		secondsOffset = -1 * secondsOffset;
+	}
+	else if (![tzo hasPrefix:@"+"])
+	{
+		return nil;
+	}
+	
+	return [NSTimeZone timeZoneForSecondsFromGMT:secondsOffset];
+}
+
++ (NSDateFormatter *)threadDateFormatter {
+  NSMutableDictionary *currentThreadStorage = [[NSThread currentThread] threadDictionary];
+  NSDateFormatter *sharedDateFormatter = currentThreadStorage[kXEP0082SharedDateFormatterKey];
+  if (!sharedDateFormatter) {
+    sharedDateFormatter = [NSDateFormatter new];
+    currentThreadStorage[kXEP0082SharedDateFormatterKey] = sharedDateFormatter;
+  }
+  
+  return sharedDateFormatter;
+}
+
+@end
diff --git a/Extensions/XEP-0085/XMPPMessage+XEP_0085.h b/Extensions/XEP-0085/XMPPMessage+XEP_0085.h
new file mode 100644
index 0000000..481c395
--- /dev/null
+++ b/Extensions/XEP-0085/XMPPMessage+XEP_0085.h
@@ -0,0 +1,23 @@
+#import <Foundation/Foundation.h>
+#import "XMPPMessage.h"
+
+
+@interface XMPPMessage (XEP_0085)
+
+- (NSString *)chatState;
+
+- (BOOL)hasChatState;
+
+- (BOOL)hasActiveChatState;
+- (BOOL)hasComposingChatState;
+- (BOOL)hasPausedChatState;
+- (BOOL)hasInactiveChatState;
+- (BOOL)hasGoneChatState;
+
+- (void)addActiveChatState;
+- (void)addComposingChatState;
+- (void)addPausedChatState;
+- (void)addInactiveChatState;
+- (void)addGoneChatState;
+
+@end
diff --git a/Extensions/XEP-0085/XMPPMessage+XEP_0085.m b/Extensions/XEP-0085/XMPPMessage+XEP_0085.m
new file mode 100644
index 0000000..d44dbc4
--- /dev/null
+++ b/Extensions/XEP-0085/XMPPMessage+XEP_0085.m
@@ -0,0 +1,69 @@
+#import "XMPPMessage+XEP_0085.h"
+#import "NSXMLElement+XMPP.h"
+
+
+static NSString *const xmlns_chatstates = @"http://jabber.org/protocol/chatstates";
+
+@implementation XMPPMessage (XEP_0085)
+
+- (NSString *)chatState{
+    return [[[self elementsForXmlns:xmlns_chatstates] lastObject] name];
+}
+
+- (BOOL)hasChatState
+{
+	return ([[self elementsForXmlns:xmlns_chatstates] count] > 0);
+}
+
+- (BOOL)hasActiveChatState
+{
+	return ([self elementForName:@"active" xmlns:xmlns_chatstates] != nil);
+}
+
+- (BOOL)hasComposingChatState
+{
+	return ([self elementForName:@"composing" xmlns:xmlns_chatstates] != nil);
+}
+
+- (BOOL)hasPausedChatState
+{
+	return ([self elementForName:@"paused" xmlns:xmlns_chatstates] != nil);
+}
+
+- (BOOL)hasInactiveChatState
+{
+	return ([self elementForName:@"inactive" xmlns:xmlns_chatstates] != nil);
+}
+
+- (BOOL)hasGoneChatState
+{
+	return ([self elementForName:@"gone" xmlns:xmlns_chatstates] != nil);
+}
+
+
+- (void)addActiveChatState
+{
+	[self addChild:[NSXMLElement elementWithName:@"active" xmlns:xmlns_chatstates]];
+}
+
+- (void)addComposingChatState
+{
+	[self addChild:[NSXMLElement elementWithName:@"composing" xmlns:xmlns_chatstates]];
+}
+
+- (void)addPausedChatState
+{
+	[self addChild:[NSXMLElement elementWithName:@"paused" xmlns:xmlns_chatstates]];
+}
+
+- (void)addInactiveChatState
+{
+	[self addChild:[NSXMLElement elementWithName:@"inactive" xmlns:xmlns_chatstates]];
+}
+
+- (void)addGoneChatState
+{
+	[self addChild:[NSXMLElement elementWithName:@"gone" xmlns:xmlns_chatstates]];
+}
+
+@end
diff --git a/Extensions/XEP-0092/XMPPSoftwareVersion.h b/Extensions/XEP-0092/XMPPSoftwareVersion.h
new file mode 100644
index 0000000..f58a52e
--- /dev/null
+++ b/Extensions/XEP-0092/XMPPSoftwareVersion.h
@@ -0,0 +1,24 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIKit.h>
+#else
+    #import <Cocoa/Cocoa.h>
+#endif
+
+#import "XMPPModule.h"
+
+@interface XMPPSoftwareVersion : XMPPModule
+
+@property (copy,readonly) NSString *name;
+@property (copy,readonly) NSString *version;
+@property (copy,readonly) NSString *os;
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue;
+
+- (id)initWithName:(NSString *)name
+           version:(NSString *)version
+                os:(NSString *)os
+     dispatchQueue:(dispatch_queue_t)queue;
+
+@end
diff --git a/Extensions/XEP-0092/XMPPSoftwareVersion.m b/Extensions/XEP-0092/XMPPSoftwareVersion.m
new file mode 100644
index 0000000..0c41e0b
--- /dev/null
+++ b/Extensions/XEP-0092/XMPPSoftwareVersion.m
@@ -0,0 +1,122 @@
+#import "XMPPSoftwareVersion.h"
+#import "XMPP.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_URN_XMPP_VERSION @"jabber:iq:version"
+
+@implementation XMPPSoftwareVersion
+
+@synthesize name = _name;
+@synthesize version = _version;
+@synthesize os = _os;
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+    NSString *name = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"];
+    NSString *version = [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleVersionKey];
+#if TARGET_OS_IPHONE
+    NSString *os = [NSString stringWithFormat:@"%@ %@",[[UIDevice currentDevice] systemName],[[UIDevice currentDevice] systemVersion]];
+#else
+    NSString *os = [NSString stringWithFormat:@"OS X %@",[[NSProcessInfo processInfo] operatingSystemVersionString]];
+#endif
+    
+    return [self initWithName:name version:version os:os dispatchQueue:queue];
+}
+
+- (id)initWithName:(NSString *)name
+           version:(NSString *)version
+                os:(NSString *)os
+     dispatchQueue:(dispatch_queue_t)queue
+{
+    if ((self = [super initWithDispatchQueue:queue]))
+	{
+        NSAssert([name length], @"name MUST NOT be nil");
+        NSAssert([version length], @"version MUST NOT be nil");
+
+        _name = [name copy];
+        _version = [version copy];
+        _os = [os copy];
+    }
+    return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+#endif
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStreamDelegate methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+    NSXMLElement *query = [iq elementForName:@"query" xmlns:XMLNS_URN_XMPP_VERSION];
+	
+    if (query)
+	{
+        XMPPIQ *resultIQ = [XMPPIQ iqWithType:@"result" to:[iq from] elementID:[iq elementID]];
+        
+        NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMLNS_URN_XMPP_VERSION];
+        [resultIQ addChild:query];
+        
+        NSXMLElement *nameElement = [NSXMLElement elementWithName:@"name" stringValue:self.name];
+        [query addChild:nameElement];
+        
+        NSXMLElement *versionElement = [NSXMLElement elementWithName:@"version" stringValue:self.version];
+        [query addChild:versionElement];
+        
+        if([self.os length])
+        {
+            NSXMLElement *osElement = [NSXMLElement elementWithName:@"os" stringValue:self.os];
+            [query addChild:osElement];
+        }
+        
+        [xmppStream sendElement:resultIQ];
+        
+        return YES;
+    }
+
+    return NO;
+}
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for XEP-0092.
+ **/
+- (NSArray *)myFeaturesForXMPPCapabilities:(XMPPCapabilities *)sender
+{
+    // This method is invoked on the moduleQueue.
+    
+    // <query xmlns="http://jabber.org/protocol/disco#info">
+    //   ...
+    //   <feature var='urn:xmpp:jabber:iq:version'/>
+    //   ...
+    // </query>
+    
+    return @[XMLNS_URN_XMPP_VERSION];
+}
+#endif
+
+@end
diff --git a/Extensions/XEP-0100/XMPPTransports.h b/Extensions/XEP-0100/XMPPTransports.h
new file mode 100644
index 0000000..ffeee1c
--- /dev/null
+++ b/Extensions/XEP-0100/XMPPTransports.h
@@ -0,0 +1,23 @@
+#import <Foundation/Foundation.h>
+
+#define _XMPP_TRANSPORTS_H
+
+@class XMPPStream;
+
+
+@interface XMPPTransports : NSObject
+{
+	XMPPStream *xmppStream;
+}
+
+- (id)initWithStream:(XMPPStream *)xmppStream;
+
+@property (nonatomic, strong, readonly) XMPPStream *xmppStream;
+
+- (void)queryGatewayDiscoveryIdentityForLegacyService:(NSString *)service;
+- (void)queryGatewayAgentInfo;
+- (void)queryRegistrationRequirementsForLegacyService:(NSString *)service;
+- (void)registerLegacyService:(NSString *)service username:(NSString *)username password:(NSString *)password;
+- (void)unregisterLegacyService:(NSString *)service;
+
+@end
diff --git a/Extensions/XEP-0100/XMPPTransports.m b/Extensions/XEP-0100/XMPPTransports.m
new file mode 100644
index 0000000..41a5168
--- /dev/null
+++ b/Extensions/XEP-0100/XMPPTransports.m
@@ -0,0 +1,148 @@
+#import "XMPPTransports.h"
+#import "XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPTransports
+
+@synthesize xmppStream;
+
+- (id)initWithStream:(XMPPStream *)stream
+{
+	if ((self = [super init]))
+	{
+		xmppStream = stream;
+	}
+	return self;
+}
+
+
+/**
+ * Registration process
+ * @see: http://www.xmpp.org/extensions/xep-0100.html#usecases-jabber-register-pri 
+**/
+
+- (void)queryGatewayDiscoveryIdentityForLegacyService:(NSString *)service
+{
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *toValue = [NSString stringWithFormat:@"%@.%@", service, [myJID domain]];
+	
+	// <iq type="get" from="myFullJID" to="service.domain" id="disco1">
+	//   <query xmlns="http://jabber.org/protocol/disco#info"/>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"http://jabber.org/protocol/disco#info"];
+	
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"get"];
+	[iq addAttributeWithName:@"from" stringValue:[myJID full]];
+	[iq addAttributeWithName:@"to" stringValue:toValue];
+	[iq addAttributeWithName:@"id" stringValue:@"disco1"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)queryGatewayAgentInfo
+{
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	// <iq type="get" from="myFullJID" to="domain" id="agent1">
+	//   <query xmlns="jabber:iq:agents"/>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:agents"];
+	
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"get"];
+	[iq addAttributeWithName:@"from" stringValue:[myJID full]];
+	[iq addAttributeWithName:@"to" stringValue:[myJID domain]];
+	[iq addAttributeWithName:@"id" stringValue:@"agent1"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)queryRegistrationRequirementsForLegacyService:(NSString *)service
+{
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *toValue = [NSString stringWithFormat:@"%@.%@", service, [myJID domain]];
+	
+	// <iq type="get" from="myFullJID" to="service.domain" id="reg1">
+	//   <query xmlns="jabber:iq:register"/>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+	
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"get"];
+	[iq addAttributeWithName:@"from" stringValue:[myJID full]];
+	[iq addAttributeWithName:@"to" stringValue:toValue];
+	[iq addAttributeWithName:@"id" stringValue:@"reg1"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)registerLegacyService:(NSString *)service username:(NSString *)username password:(NSString *)password
+{
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *toValue = [NSString stringWithFormat:@"%@.%@", service, [myJID domain]];
+	
+	// <iq type="set" from="myFullJID" to="service.domain" id="reg2">
+	//   <query xmlns="jabber:iq:register">
+	//     <username>username</username>
+	//     <password>password</password>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+	[query addChild:[NSXMLElement elementWithName:@"username" stringValue:username]];
+	[query addChild:[NSXMLElement elementWithName:@"password" stringValue:password]];
+	
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"set"];
+	[iq addAttributeWithName:@"from" stringValue:[myJID full]];
+	[iq addAttributeWithName:@"to" stringValue:toValue];
+	[iq addAttributeWithName:@"id" stringValue:@"reg2"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+/**
+ * Unregistration process
+ * @see: http://www.xmpp.org/extensions/xep-0100.html#usecases-jabber-unregister-pri
+**/
+- (void)unregisterLegacyService:(NSString *)service
+{
+	XMPPJID *myJID = xmppStream.myJID;
+	
+	NSString *toValue = [NSString stringWithFormat:@"%@.%@", service, [myJID domain]];
+	
+	// <iq type="set" from="myFullJID" to="service.domain" id="unreg1">
+	//   <query xmlns="jabber:iq:register">
+	//     <remove/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:@"jabber:iq:register"];
+	[query addChild:[NSXMLElement elementWithName:@"remove"]];
+	
+	NSXMLElement *iq = [NSXMLElement elementWithName:@"iq"];
+	[iq addAttributeWithName:@"type" stringValue:@"set"];
+	[iq addAttributeWithName:@"from" stringValue:[myJID full]];
+	[iq addAttributeWithName:@"to" stringValue:toValue];
+	[iq addAttributeWithName:@"id" stringValue:@"unreg1"];
+	[iq addChild:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+@end
diff --git a/Extensions/XEP-0106/NSString+XEP_0106.h b/Extensions/XEP-0106/NSString+XEP_0106.h
new file mode 100644
index 0000000..c9a01af
--- /dev/null
+++ b/Extensions/XEP-0106/NSString+XEP_0106.h
@@ -0,0 +1,9 @@
+#import <Foundation/Foundation.h>
+
+@interface NSString (XEP_0106)
+
+- (NSString *)jidEscapedString;
+
+- (NSString *)jidUnescapedString;
+
+@end
diff --git a/Extensions/XEP-0106/NSString+XEP_0106.m b/Extensions/XEP-0106/NSString+XEP_0106.m
new file mode 100644
index 0000000..2446dd0
--- /dev/null
+++ b/Extensions/XEP-0106/NSString+XEP_0106.m
@@ -0,0 +1,57 @@
+#import "NSString+XEP_0106.h"
+
+@implementation NSString (XEP_0106)
+
+- (NSString *)jidEscapedString
+{
+	NSString *jidEscapedString = self;
+	
+	// XEP-0106: The character sequence \20 MUST NOT be the first or last character of an escaped node identifier.
+	jidEscapedString = [jidEscapedString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+	
+	// \ should only be escaped to \5c if it could be misinterpreted as an escape sequence, so we do this first.
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\5c" withString:@"\\5c5c"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\20" withString:@"\\5c\\20"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\40" withString:@"\\5c\\40"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\3e" withString:@"\\5c\\3e"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\3c" withString:@"\\5c\\3c"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\3a" withString:@"\\5c\\3a"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\2f" withString:@"\\5c\\2f"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\27" withString:@"\\5c\\27"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\26" withString:@"\\5c\\26"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\\22" withString:@"\\5c\\22"];
+	
+	// Escape the charachters
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@" " withString:@"\\20"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\"" withString:@"\\22"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"&" withString:@"\\26"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"\'" withString:@"\\27"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"/" withString:@"\\2f"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@":" withString:@"\\3a"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"<" withString:@"\\3c"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@">" withString:@"\\3e"];
+	jidEscapedString = [jidEscapedString stringByReplacingOccurrencesOfString:@"@" withString:@"\\40"];
+
+	return jidEscapedString;
+}
+
+- (NSString *)jidUnescapedString
+{
+	NSString *jidUnescapedString = self;
+	
+	//Unescape the charachters
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\20" withString:@" "];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\40" withString:@"@"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\3e" withString:@">"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\3c" withString:@"<" ];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\3a" withString:@":"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\2f" withString:@"/"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\27" withString:@"\'"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\26" withString:@"&"];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\22" withString:@"\""];
+	jidUnescapedString = [jidUnescapedString stringByReplacingOccurrencesOfString:@"\\5c" withString:@"\\"];
+
+	return jidUnescapedString;
+}
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/elements b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/elements
new file mode 100644
index 0000000..ad0de64
Binary files /dev/null and b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/elements differ
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/layout b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/layout
new file mode 100644
index 0000000..e2f28f0
Binary files /dev/null and b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilities.xcdatamodel/layout differ
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.h b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.h
new file mode 100644
index 0000000..23bcbef
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.h
@@ -0,0 +1,54 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+
+#import "XMPPCapabilities.h"
+#import "XMPPCoreDataStorage.h"
+
+/**
+ * This class is an example implementation of XMPPCapabilitiesStorage using core data.
+ * You are free to substitute your own storage class.
+**/
+
+@interface XMPPCapabilitiesCoreDataStorage : XMPPCoreDataStorage <XMPPCapabilitiesStorage>
+{
+	/* Inherited protected variables from XMPPCoreDataStorage
+	
+	NSString *databaseFileName;
+	NSUInteger saveThreshold;
+	
+	dispatch_queue_t storageQueue;
+	 
+	*/
+}
+
+/**
+ * XEP-0115 provides a mechanism for hashing a list of capabilities.
+ * Clients then broadcast this hash instead of the entire list to save bandwidth.
+ * Because the hashing is standardized, it is safe to persistently store the linked hash & capabilities.
+ * 
+ * For this reason, it is recommended you use this sharedInstance across all your xmppStreams.
+ * This way all streams can shared a knowledgebase concerning known hashes.
+ * 
+ * All other aspects of capabilities handling (such as JID's, lookup failures, etc) are kept separate between streams.
+**/
++ (instancetype)sharedInstance;
+
+
+/* Inherited from XMPPCoreDataStorage
+ * Please see the XMPPCoreDataStorage header file for extensive documentation.
+ 
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName storeOptions:(NSDictionary *)storeOptions;
+- (id)initWithInMemoryStore;
+
+@property (readonly) NSString *databaseFileName;
+ 
+@property (readwrite) NSUInteger saveThreshold;
+
+@property (readonly) NSManagedObjectModel *managedObjectModel;
+@property (readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+
+@property (readonly) NSManagedObjectContext *mainThreadManagedObjectContext;
+ 
+*/
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.m b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.m
new file mode 100644
index 0000000..3ebdd2e
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapabilitiesCoreDataStorage.m
@@ -0,0 +1,587 @@
+#import "XMPPCapabilitiesCoreDataStorage.h"
+#import "XMPPCapsCoreDataStorageObject.h"
+#import "XMPPCapsResourceCoreDataStorageObject.h"
+#import "XMPP.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@implementation XMPPCapabilitiesCoreDataStorage
+
+static XMPPCapabilitiesCoreDataStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPCapabilitiesCoreDataStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+- (void)commonInit
+{
+	XMPPLogTrace();
+	[super commonInit];
+
+	autoRecreateDatabaseFile = YES;
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Setup
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)configureWithParent:(XMPPCapabilities *)aParent queue:(dispatch_queue_t)queue
+{
+	return [super configureWithParent:aParent queue:queue];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPCapsResourceCoreDataStorageObject *)resourceForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	NSAssert(dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, jid);
+	
+	if (jid == nil) return nil;
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPCapsResourceCoreDataStorageObject"
+	                                          inManagedObjectContext:[self managedObjectContext]];
+	
+	NSPredicate *predicate;
+	if (stream == nil)
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@", [jid full]];
+	else
+		predicate = [NSPredicate predicateWithFormat:@"jidStr == %@ AND streamBareJidStr == %@",
+					                                     [jid full], [[self myJIDForXMPPStream:stream] bare]];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [[self managedObjectContext] executeFetchRequest:fetchRequest error:nil];
+	
+	XMPPCapsResourceCoreDataStorageObject *resource = [results lastObject];
+	
+	XMPPLogVerbose(@"%@: %@ - %@", THIS_FILE, THIS_METHOD, resource);
+	return resource;
+}
+
+- (XMPPCapsCoreDataStorageObject *)capsForHash:(NSString *)hash algorithm:(NSString *)hashAlg
+{
+	NSAssert(dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: capsForHash:%@ algorithm:%@", THIS_FILE, hash, hashAlg);
+	
+	if (hash == nil) return nil;
+	if (hashAlg == nil) return nil;
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPCapsCoreDataStorageObject"
+	                                          inManagedObjectContext:[self managedObjectContext]];
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"hashStr == %@ AND hashAlgorithm == %@",
+	                                                           hash, hashAlg];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setPredicate:predicate];
+	[fetchRequest setFetchLimit:1];
+	
+	NSArray *results = [[self managedObjectContext] executeFetchRequest:fetchRequest error:nil];
+	
+	XMPPCapsCoreDataStorageObject *caps = [results lastObject];
+	
+	XMPPLogVerbose(@"%@: %@ - %@", THIS_FILE, THIS_METHOD, caps);
+	return caps;
+}
+
+- (void)_clearAllNonPersistentCapabilitiesForXMPPStream:(XMPPStream *)stream
+{
+	NSAssert(dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPCapsResourceCoreDataStorageObject"
+	                                          inManagedObjectContext:[self managedObjectContext]];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setFetchBatchSize:saveThreshold];
+	
+	if (stream)
+	{
+		NSPredicate *predicate = [NSPredicate predicateWithFormat:@"streamBareJidStr == %@",
+								  [[self myJIDForXMPPStream:stream] bare]];
+		
+		[fetchRequest setPredicate:predicate];
+	}
+	
+	NSArray *results = [[self managedObjectContext] executeFetchRequest:fetchRequest error:nil];
+	
+	NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+	
+	for (XMPPCapsResourceCoreDataStorageObject *resource in results)
+	{
+		NSString *hash = resource.hashStr;
+		NSString *hashAlg = resource.hashAlgorithm;
+		
+		BOOL nonPersistentCapabilities = ((hash == nil) || (hashAlg == nil));
+		
+		if (nonPersistentCapabilities)
+		{
+			XMPPCapsCoreDataStorageObject *caps = resource.caps;
+			if (caps)
+			{
+				[[self managedObjectContext] deleteObject:caps];
+			}
+		}
+		
+		[[self managedObjectContext] deleteObject:resource];
+		
+		if (++unsavedCount >= saveThreshold)
+		{
+			[self save];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Overrides
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didCreateManagedObjectContext
+{
+	// This method is overriden from the XMPPCoreDataStore superclass.
+	
+	[self _clearAllNonPersistentCapabilitiesForXMPPStream:nil];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Protocol Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)areCapabilitiesKnownForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	__block BOOL result;
+	
+	[self executeBlock:^{
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		result = (resource.caps != nil);
+		
+	}];
+	
+	return result;
+}
+
+- (NSXMLElement *)capabilitiesForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+    
+    return [self capabilitiesForJID:jid ext:nil xmppStream:stream];	
+}
+
+- (NSXMLElement *)capabilitiesForJID:(XMPPJID *)jid ext:(NSString **)extPtr xmppStream:(XMPPStream *)stream
+{
+	// By design this method should not be invoked from the storageQueue.
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	__block NSXMLElement *result = nil;
+	__block NSString *ext = nil;
+	
+	[self executeBlock:^{
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		
+		if (resource)
+		{
+			result = [[resource caps] capabilities];
+			ext = [resource ext];
+		}
+		
+	}];
+	
+	if (extPtr)
+		*extPtr = ext;
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Protocol Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)setCapabilitiesNode:(NSString *)node
+                        ver:(NSString *)ver
+                        ext:(NSString *)ext
+                       hash:(NSString *)hash
+                  algorithm:(NSString *)hashAlg
+                     forJID:(XMPPJID *)jid
+                 xmppStream:(XMPPStream *)stream
+      andGetNewCapabilities:(NSXMLElement **)newCapabilitiesPtr
+{
+	
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	__block NSXMLElement *newCapabilities = nil;
+	
+	[self executeBlock:^{
+		
+		BOOL hashChange = NO;
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		if (resource)
+		{
+			resource.node = node;
+			resource.ver = ver;
+			resource.ext = ext;
+					
+			if (![hash isEqual:[resource hashStr]])
+			{
+				hashChange = YES;
+				resource.hashStr = hash;
+			}
+			
+			if (![hashAlg isEqual:[resource hashAlgorithm]])
+			{
+				hashChange = YES;
+				resource.hashAlgorithm = hashAlg;
+			}
+		}
+		else
+		{
+			resource = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPCapsResourceCoreDataStorageObject"
+													 inManagedObjectContext:[self managedObjectContext]];
+			
+			resource.jidStr = [jid full];
+			resource.streamBareJidStr = [[self myJIDForXMPPStream:stream] bare];
+			
+			resource.node = node;
+			resource.ver = ver;
+			resource.ext = ext;
+			
+			resource.hashStr = hash;
+			resource.hashAlgorithm = hashAlg;
+			
+			hashChange = ((hash != nil) || (hashAlg != nil));
+		}
+		
+		if (hashChange)
+		{
+			resource.caps = [self capsForHash:hash algorithm:hashAlg];
+			
+			newCapabilities = resource.caps.capabilities;
+		}
+		
+		// Return whether or not the capabilities are known for the given jid
+		
+		result = (resource.caps != nil);
+		
+	}];
+	
+	
+	if (newCapabilitiesPtr)
+		*newCapabilitiesPtr = newCapabilities;
+	
+	return result;
+}
+
+- (BOOL)getCapabilitiesHash:(NSString **)hashPtr
+                  algorithm:(NSString **)hashAlgPtr
+                     forJID:(XMPPJID *)jid
+                 xmppStream:(XMPPStream *)stream
+{
+	// By design this method should not be invoked from the storageQueue.
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	__block NSString *hash = nil;
+	__block NSString *hashAlg = nil;
+	
+	[self executeBlock:^{
+	
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		if (resource)
+		{
+			hash = resource.hashStr;
+			hashAlg = resource.hashAlgorithm;
+			
+			result = (hash && hashAlg);
+		}
+		else
+		{
+			hash = nil;
+			hashAlg = nil;
+			
+			result = NO;
+		}
+		
+	}];
+	
+	
+	if (hashPtr)
+		*hashPtr = hash;
+	
+	if (hashAlgPtr)
+		*hashAlgPtr = hashAlg;
+	
+	return result;
+}
+
+- (void)clearCapabilitiesHashAndAlgorithmForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+	
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		if (resource)
+		{
+			BOOL clearCaps = NO;
+			
+			NSString *hash = resource.hashStr;
+			NSString *hashAlg = resource.hashAlgorithm;
+			
+			if (hash && hashAlg)
+			{
+				clearCaps = YES;
+			}
+			
+			resource.hashStr = nil;
+			resource.hashAlgorithm = nil;
+			
+			if (clearCaps)
+			{
+				resource.caps = nil;
+			}
+		}
+		
+	}];
+}
+
+- (void)getCapabilitiesKnown:(BOOL *)areCapabilitiesKnownPtr
+                      failed:(BOOL *)haveFailedFetchingBeforePtr
+                        node:(NSString **)nodePtr
+                         ver:(NSString **)verPtr
+                         ext:(NSString **)extPtr
+                        hash:(NSString **)hashPtr
+                   algorithm:(NSString **)hashAlgPtr
+                      forJID:(XMPPJID *)jid
+                  xmppStream:(XMPPStream *)stream
+{
+	// By design this method should not be invoked from the storageQueue.
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	__block BOOL areCapabilitiesKnown = NO;
+	__block BOOL haveFailedFetchingBefore = NO;
+	__block NSString *node    = nil;
+	__block NSString *ver     = nil;
+	__block NSString *ext     = nil;
+	__block NSString *hash    = nil;
+	__block NSString *hashAlg = nil;
+	
+	[self executeBlock:^{
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		
+		if (resource == nil)
+		{
+			// We don't know anything about the given jid
+			
+			areCapabilitiesKnown = NO;
+			haveFailedFetchingBefore = NO;
+			
+			node    = nil;
+			ver     = nil;
+			ext     = nil;
+			hash    = nil;
+			hashAlg = nil;
+		}
+		else
+		{
+			areCapabilitiesKnown = (resource.caps != nil);
+			haveFailedFetchingBefore = resource.haveFailed;
+			
+			node    = resource.node;
+			ver     = resource.ver;
+			ext     = resource.ext;
+			hash    = resource.hashStr;
+			hashAlg = resource.hashAlgorithm;
+		}
+		
+	}];
+	
+	if (areCapabilitiesKnownPtr)     *areCapabilitiesKnownPtr     = areCapabilitiesKnown;
+	if (haveFailedFetchingBeforePtr) *haveFailedFetchingBeforePtr = haveFailedFetchingBefore;
+	
+	if (nodePtr)    *nodePtr    = node;
+	if (verPtr)     *verPtr     = ver;
+	if (extPtr)     *extPtr     = ext;
+	if (hashPtr)    *hashPtr    = hash;
+	if (hashAlgPtr) *hashAlgPtr = hashAlg;
+}
+
+- (void)setCapabilities:(NSXMLElement *)capabilities forHash:(NSString *)hash algorithm:(NSString *)hashAlg
+{
+	XMPPLogTrace();
+	
+	if (hash == nil) return;
+	if (hashAlg == nil) return;
+	
+	[self scheduleBlock:^{
+		
+		XMPPCapsCoreDataStorageObject *caps = [self capsForHash:hash algorithm:hashAlg];
+		if (caps)
+		{
+			caps.capabilities = capabilities;
+		}
+		else
+		{
+			caps = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPCapsCoreDataStorageObject"
+												 inManagedObjectContext:[self managedObjectContext]];
+			caps.hashStr = hash;
+			caps.hashAlgorithm = hashAlg;
+			
+			caps.capabilities = capabilities;
+		}
+		
+		NSEntityDescription *entity = [NSEntityDescription entityForName:@"XMPPCapsResourceCoreDataStorageObject"
+		                                          inManagedObjectContext:[self managedObjectContext]];
+		
+		NSPredicate *predicate;
+		predicate = [NSPredicate predicateWithFormat:@"hashStr == %@ AND hashAlgorithm == %@", hash, hashAlg];
+		
+		NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+		[fetchRequest setEntity:entity];
+		[fetchRequest setPredicate:predicate];
+		[fetchRequest setFetchBatchSize:saveThreshold];
+		
+		NSArray *results = [[self managedObjectContext] executeFetchRequest:fetchRequest error:nil];
+		
+		NSUInteger unsavedCount = [self numberOfUnsavedChanges];
+		
+		for (XMPPCapsResourceCoreDataStorageObject *resource in results)
+		{
+			resource.caps = caps;
+			
+			if (++unsavedCount >= saveThreshold)
+			{
+				[self save];
+			}
+		}
+		
+	}];
+}
+
+- (void)setCapabilities:(NSXMLElement *)capabilities forJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	// By design this method should not be invoked from the storageQueue.
+	NSAssert(!dispatch_get_specific(storageQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if (jid == nil) return;
+	
+	[self scheduleBlock:^{
+	
+		XMPPCapsCoreDataStorageObject *caps;
+		caps = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPCapsCoreDataStorageObject"
+											 inManagedObjectContext:[self managedObjectContext]];
+		caps.capabilities = capabilities;
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		
+		if (resource == nil)
+		{
+			resource = [NSEntityDescription insertNewObjectForEntityForName:@"XMPPCapsResourceCoreDataStorageObject"
+													 inManagedObjectContext:[self managedObjectContext]];
+			resource.jidStr = [jid full];
+			resource.streamBareJidStr = [[self myJIDForXMPPStream:stream] bare];
+		}
+		
+		resource.caps = caps;
+		
+	}];
+}
+
+- (void)setCapabilitiesFetchFailedForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		resource.haveFailed = YES;
+		
+	}];
+}
+
+- (void)clearAllNonPersistentCapabilitiesForXMPPStream:(XMPPStream *)stream
+{
+	// This method is called for the protocol,
+	// but is also called when we first load the database file from disk.
+	
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		[self _clearAllNonPersistentCapabilitiesForXMPPStream:stream];
+		
+	}];
+}
+
+- (void)clearNonPersistentCapabilitiesForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream
+{
+	XMPPLogTrace();
+	
+	[self scheduleBlock:^{
+		
+		XMPPCapsResourceCoreDataStorageObject *resource = [self resourceForJID:jid xmppStream:stream];
+		
+		if (resource != nil)
+		{
+			NSString *hash = resource.hashStr;
+			NSString *hashAlg = resource.hashAlgorithm;
+			
+			if (hash && hashAlg)
+			{
+				// The associated capabilities are persistent
+			}
+			else
+			{
+				XMPPCapsCoreDataStorageObject *caps = resource.caps;
+				if (caps)
+				{
+					[[self managedObjectContext] deleteObject:caps];
+				}
+			}
+			
+			[[self managedObjectContext] deleteObject:resource];
+		}
+		
+	}];
+}
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.h b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.h
new file mode 100644
index 0000000..4e72575
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.h
@@ -0,0 +1,30 @@
+#import <CoreData/CoreData.h>
+
+#if TARGET_OS_IPHONE
+  #import "DDXML.h"
+#endif
+
+@class XMPPCapsResourceCoreDataStorageObject;
+
+
+@interface XMPPCapsCoreDataStorageObject : NSManagedObject
+
+@property (nonatomic, strong) NSXMLElement *capabilities;
+
+@property (nonatomic, strong) NSString * hashStr;
+@property (nonatomic, strong) NSString * hashAlgorithm;
+@property (nonatomic, strong) NSString * capabilitiesStr;
+
+@property (nonatomic, strong) NSSet * resources;
+
+@end
+
+
+@interface XMPPCapsCoreDataStorageObject (CoreDataGeneratedAccessors)
+
+- (void)addResourcesObject:(XMPPCapsResourceCoreDataStorageObject *)value;
+- (void)removeResourcesObject:(XMPPCapsResourceCoreDataStorageObject *)value;
+- (void)addResources:(NSSet *)value;
+- (void)removeResources:(NSSet *)value;
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.m b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.m
new file mode 100644
index 0000000..27b97ee
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsCoreDataStorageObject.m
@@ -0,0 +1,30 @@
+#import "XMPPCapsCoreDataStorageObject.h"
+#import "XMPPCapsResourceCoreDataStorageObject.h"
+#import "XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPCapsCoreDataStorageObject 
+
+@dynamic capabilities;
+
+@dynamic hashStr;
+@dynamic hashAlgorithm;
+@dynamic capabilitiesStr;
+
+@dynamic resources;
+
+- (NSXMLElement *)capabilities
+{
+	return [[NSXMLElement alloc] initWithXMLString:[self capabilitiesStr] error:nil];
+}
+
+- (void)setCapabilities:(NSXMLElement *)caps
+{
+	self.capabilitiesStr = [caps compactXMLString];
+}
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.h b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.h
new file mode 100644
index 0000000..edd2541
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.h
@@ -0,0 +1,23 @@
+#import <CoreData/CoreData.h>
+
+@class XMPPCapsCoreDataStorageObject;
+
+
+@interface XMPPCapsResourceCoreDataStorageObject : NSManagedObject
+
+@property (nonatomic, strong) NSString * jidStr;
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+@property (nonatomic, assign) BOOL haveFailed;
+@property (nonatomic, strong) NSNumber * failed;
+
+@property (nonatomic, strong) NSString * node;
+@property (nonatomic, strong) NSString * ver;
+@property (nonatomic, strong) NSString * ext;
+
+@property (nonatomic, strong) NSString * hashStr;
+@property (nonatomic, strong) NSString * hashAlgorithm;
+
+@property (nonatomic, strong) XMPPCapsCoreDataStorageObject * caps;
+
+@end
diff --git a/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.m b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.m
new file mode 100644
index 0000000..183345d
--- /dev/null
+++ b/Extensions/XEP-0115/CoreDataStorage/XMPPCapsResourceCoreDataStorageObject.m
@@ -0,0 +1,36 @@
+#import "XMPPCapsResourceCoreDataStorageObject.h"
+#import "XMPPCapsCoreDataStorageObject.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation XMPPCapsResourceCoreDataStorageObject 
+
+@dynamic jidStr;
+@dynamic streamBareJidStr;
+
+@dynamic haveFailed;
+@dynamic failed;
+
+@dynamic node;
+@dynamic ver;
+@dynamic ext;
+
+@dynamic hashStr;
+@dynamic hashAlgorithm;
+
+@dynamic caps;
+
+- (BOOL)haveFailed
+{
+	return [[self failed] boolValue];
+}
+
+- (void)setHaveFailed:(BOOL)flag
+{
+	self.failed = @(flag);
+}
+
+@end
diff --git a/Extensions/XEP-0115/XMPPCapabilities.h b/Extensions/XEP-0115/XMPPCapabilities.h
new file mode 100644
index 0000000..1be070a
--- /dev/null
+++ b/Extensions/XEP-0115/XMPPCapabilities.h
@@ -0,0 +1,380 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_CAPABILITIES_H
+
+@protocol XMPPCapabilitiesStorage;
+
+/**
+ * This class provides support for capabilities discovery.
+ * 
+ * It collects our capabilities and publishes them according to the XEP by:
+ * - Injecting the <c/> element into outgoing presence stanzas
+ * - Responding to incoming disco#info queries
+ * 
+ * It also collects the capabilities of available resources,
+ * provides a mechanism to persistently store XEP-0115 hased caps,
+ * and makes available a simple API to query (disco#info) a resource or server.
+**/
+@interface XMPPCapabilities : XMPPModule
+{
+	__strong id <XMPPCapabilitiesStorage> xmppCapabilitiesStorage;
+    
+    NSString *myCapabilitiesNode;
+	
+	NSXMLElement *myCapabilitiesQuery; // Full list of capabilites <query/>
+	NSXMLElement *myCapabilitiesC;     // Hashed element <c/>
+	BOOL collectingMyCapabilities;
+	
+	NSMutableSet *discoRequestJidSet;
+	NSMutableDictionary *discoRequestHashDict;
+	NSMutableDictionary *discoTimerJidDict;
+	
+	BOOL autoFetchHashedCapabilities;
+	BOOL autoFetchNonHashedCapabilities;
+	BOOL autoFetchMyServerCapabilities;
+	
+	NSTimeInterval capabilitiesRequestTimeout;
+	
+	NSMutableSet *timers;
+}
+
+- (id)initWithCapabilitiesStorage:(id <XMPPCapabilitiesStorage>)storage;
+- (id)initWithCapabilitiesStorage:(id <XMPPCapabilitiesStorage>)storage dispatchQueue:(dispatch_queue_t)queue;
+
+@property (nonatomic, strong, readonly) id <XMPPCapabilitiesStorage> xmppCapabilitiesStorage;
+
+/**
+ * Defines the node attribute in a <c/> element qualified by the 'http://jabber.org/protocol/caps' namespace.
+ *
+ * It is RECOMMENDED for the value of the 'node' attribute to be an HTTP URL
+ * at which a user could find further information about the software product, 
+ * such as "http://github.com/robbiehanson/XMPPFramework"
+ *
+ * This MUST NOT be nil
+ *
+ * The default value is http://github.com/robbiehanson/XMPPFramework
+**/
+
+@property (nonatomic, copy) NSString *myCapabilitiesNode;
+
+/**
+ * Defines fetching behavior for entities using the XEP-0115 standard.
+ * 
+ * XEP-0115 defines a technique for hashing capabilities (disco info responses),
+ * and broadcasting them within a presence element.
+ * Due to the standardized hashing technique, capabilities associated with a hash may be persisted indefinitely.
+ * 
+ * The end result is that capabilities need to be fetched less often
+ * since they are already known due to the caching of responses.
+ * 
+ * The default value is YES.
+**/
+@property (assign) BOOL autoFetchHashedCapabilities;
+
+/**
+ * Defines fetching behavior for entities NOT using the XEP-0115 standard.
+ * 
+ * Because the capabilities are not associated with a standardized hash,
+ * it is not possible to cache the capabilities between sessions.
+ * 
+ * The default value is NO.
+ * 
+ * It is recommended you leave this value set to NO unless you
+ * know that you'll need the capabilities of every resource,
+ * and that fetching of the capabilities cannot be delayed.
+ * 
+ * You may always fetch the capabilities (if/when needed) via the fetchCapabilitiesForJID method.
+**/
+@property (assign) BOOL autoFetchNonHashedCapabilities;
+
+/**
+ * Auto fetch the capabilities of the server upon authentication.
+ * This uses the non hashed approach outlined in XEP-0030: Service Discovery.
+ *
+ * The default value is NO.
+**/
+
+@property (assign) BOOL autoFetchMyServerCapabilities;
+
+/**
+ * Manually fetch the capabilities for the given jid.
+ * 
+ * The jid must be a full jid (user@domain/resource) or a domain JID (domain without user or resource).
+ * You would pass a full jid if you wanted to know the capabilities of a particular user's resource.
+ * You would pass a domain jid if you wanted to know the capabilities of a particular server.
+ * 
+ * If there is an existing disco request associated with the given jid, this method does nothing.
+ * 
+ * When the capabilities are received,
+ * the xmppCapabilities:didDiscoverCapabilities:forJID: delegate method is invoked.
+**/
+- (void)fetchCapabilitiesForJID:(XMPPJID *)jid;
+
+/**
+ * This module automatically collects my capabilities.
+ * See the xmppCapabilities:collectingMyCapabilities: delegate method.
+ * 
+ * The design of XEP-115 is such that capabilites are expected to remain rather static.
+ * However, if the capabilities change, this method may be used to perform a manual update.
+**/
+- (void)recollectMyCapabilities;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPCapabilitiesStorage <NSObject>
+@required
+
+// 
+// 
+// -- PUBLIC METHODS --
+// 
+// 
+
+/**
+ * Returns whether or not we know the capabilities for a given jid.
+ * 
+ * The stream parameter is optional.
+ * If given, the jid must have been registered via the given stream.
+ * Otherwise it will match the given jid from any stream this storage instance is managing.
+**/
+- (BOOL)areCapabilitiesKnownForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Returns the capabilities for the given jid.
+ * The returned element is the <query/> element response to a disco#info request.
+ * 
+ * The stream parameter is optional.
+ * If given, the jid must have been registered via the given stream.
+ * Otherwise it will match the given jid from any stream this storage instance is managing.
+**/
+- (NSXMLElement *)capabilitiesForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Returns the capabilities for the given jid.
+ * The returned element is the <query/> element response to a disco#info request.
+ * 
+ * The given jid should be a full jid (user@domain/resource) or a domin JID (domain without user or resource).
+ * 
+ * If the jid has broadcast capabilities via the legacy format of XEP-0115,
+ * the extension list may optionally be retrieved via the ext parameter.
+ * 
+ * For example, the jid may send a presence element like:
+ * 
+ * <presence from="jid">
+ *   <c node="imclient.com/caps" ver="1.2" ext="rdserver rdclient avcap"/>
+ * </presence>
+ * 
+ * In the above example, the ext string would be set to "rdserver rdclient avcap".
+ * 
+ * You may pass nil for extPtr if you don't care about the legacy attributes,
+ * or you could simply use the capabilitiesForJID: method above.
+ * 
+ * The stream parameter is optional.
+ * If given, the jid must have been registered via the given stream.
+ * Otherwise it will match the given jid from any stream this storage instance is managing.
+**/
+- (NSXMLElement *)capabilitiesForJID:(XMPPJID *)jid ext:(NSString **)extPtr xmppStream:(XMPPStream *)stream;
+
+// 
+// 
+// -- PRIVATE METHODS --
+// 
+// These methods are designed to be used ONLY by the XMPPCapabilities class.
+// 
+// 
+
+/**
+ * Configures the capabilities storage class, passing it's parent and parent's dispatch queue.
+ * 
+ * This method is called by the init methods of the XMPPCapabilities class.
+ * This method is designed to inform the storage class of it's parent
+ * and of the dispatch queue the parent will be operating on.
+ * 
+ * A storage class may choose to operate on the same queue as it's parent,
+ * as the majority of the time it will be getting called by the parent.
+ * If both are operating on the same queue, the combination may run faster.
+ * 
+ * Some storage classes support multiple xmppStreams,
+ * and may choose to operate on their own internal queue.
+ * 
+ * This method should return YES if it was configured properly.
+ * It should return NO only if configuration failed.
+ * For example, a storage class designed to be used only with a single xmppStream is being added to a second stream.
+ * The XMPPCapabilites class is configured to ignore the passed
+ * storage class in it's init method if this method returns NO.
+**/
+- (BOOL)configureWithParent:(XMPPCapabilities *)aParent queue:(dispatch_queue_t)queue;
+
+/**
+ * Sets metadata for the given jid.
+ * 
+ * This method should return:
+ * - YES if the capabilities for the given jid are known.
+ * - NO if the capabilities for the given jid are NOT known.
+ * 
+ * If the hash and algorithm are given, and an associated set of capabilities matches the hash/algorithm,
+ * this method should link the jid to the capabilities and return YES.
+ * 
+ * If the linked set of capabilities was not previously linked to the jid,
+ * the newCapabilities parameter shoud be filled out.
+ * 
+ * This method may be called multiple times for a given jid with the same information.
+ * If this method sets the newCapabilitiesPtr parameter,
+ * the XMPPCapabilities module will invoke the xmppCapabilities:didDiscoverCapabilities:forJID: delegate method.
+ * This delegate method is designed to be invoked only when the capabilities for the given JID have changed.
+ * That is, the capabilities for the jid have been discovered for the first time (jid just signed in)
+ * or the capabilities for the given jid have changed (jid broadcast new capabilities).
+**/
+- (BOOL)setCapabilitiesNode:(NSString *)node
+                        ver:(NSString *)ver
+                        ext:(NSString *)ext
+                       hash:(NSString *)hash
+                  algorithm:(NSString *)hashAlg
+                     forJID:(XMPPJID *)jid
+                 xmppStream:(XMPPStream *)stream
+      andGetNewCapabilities:(NSXMLElement **)newCapabilitiesPtr;
+
+/**
+ * Fetches the associated capabilities hash for a given jid.
+ * 
+ * If the jid is not associated with a capabilities hash, this method should return NO.
+ * Otherwise it should return YES, and set the corresponding variables.
+**/
+- (BOOL)getCapabilitiesHash:(NSString **)hashPtr
+                  algorithm:(NSString **)hashAlgPtr
+                     forJID:(XMPPJID *)jid
+                 xmppStream:(XMPPStream *)stream;
+
+/**
+ * Clears any associated hash from a jid.
+ * If the jid is linked to a set of capabilities, it should be unlinked.
+ * 
+ * This method should not clear the actual capabilities information itself.
+ * It should simply unlink the connection between the jid and the capabilities.
+**/
+- (void)clearCapabilitiesHashAndAlgorithmForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Gets the metadata for the given jid.
+ * 
+ * If the capabilities are known, the areCapabilitiesKnown boolean should be set to YES.
+**/
+- (void)getCapabilitiesKnown:(BOOL *)areCapabilitiesKnownPtr
+					  failed:(BOOL *)haveFailedFetchingBeforePtr
+                        node:(NSString **)nodePtr
+                         ver:(NSString **)verPtr
+                         ext:(NSString **)extPtr
+                        hash:(NSString **)hashPtr
+                   algorithm:(NSString **)hashAlgPtr
+                      forJID:(XMPPJID *)jid
+                  xmppStream:(XMPPStream *)stream;
+
+/**
+ * Sets the capabilities associated with a given hash.
+ * 
+ * Since the capabilities are linked to a hash, these capabilities (and associated hash)
+ * should be persisted to disk and persisted between multiple sessions/streams.
+ * 
+ * It is the responsibility of the storage implementation to link the
+ * associated jids (those with the given hash) to the given set of capabilities.
+ * 
+ * Implementation Note:
+ * 
+ * If we receive multiple simultaneous presence elements from
+ * multiple jids all broadcasting the same capabilities hash:
+ * 
+ * - A single disco request will be sent to one of the jids.
+ * - When the response comes back, the setCapabilities:forHash:algorithm: method will be invoked.
+ * 
+ * The setCapabilities:forJID: method will NOT be invoked for each corresponding jid.
+ * This is by design to allow the storage implementation to optimize itself.
+**/
+- (void)setCapabilities:(NSXMLElement *)caps forHash:(NSString *)hash algorithm:(NSString *)hashAlg;
+
+/**
+ * Sets the capabilities for a given jid.
+ * 
+ * The jid is guaranteed NOT to be associated with a capabilities hash.
+ * 
+ * Since the capabilities are NOT linked to a hash,
+ * these capabilities should not be persisted between multiple sessions/streams.
+ * See the various clear methods below.
+**/
+- (void)setCapabilities:(NSXMLElement *)caps forJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Marks the disco fetch request as failed so we know not to bother trying again.
+ * 
+ * This is temporary metadata associated with the jid.
+ * It should be cleared when we go unavailable or offline, or if the given jid goes unavailable.
+ * See the various clear methods below.
+**/
+- (void)setCapabilitiesFetchFailedForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * This method is called when we go unavailable or offline.
+ * 
+ * This method should clear all metadata (node, ver, ext, hash, algorithm, failed) from all jids in the roster.
+ * All jids should be unlinked from associated capabilities.
+ * 
+ * If the associated capabilities are persistent, they should not be cleared.
+ * That is, if the associated capabilities are associated with a hash, they should be persisted.
+ * 
+ * Non persistent capabilities (those not associated with a hash)
+ * should be cleared at this point as they will no longer be linked to any users.
+**/
+- (void)clearAllNonPersistentCapabilitiesForXMPPStream:(XMPPStream *)stream;
+
+/**
+ * This method is called when the given jid goes unavailable.
+ * 
+ * This method should clear all metadata (node, ver, ext, hash ,algorithm, failed) from the given jid.
+ * The jid should be unlinked from associated capabilities.
+ * 
+ * If the associated capabilities are persistent, they should not be cleared.
+ * That is, if the associated capabilities are associated with a hash, they should be persisted.
+ * 
+ * Non persistent capabilities (those not associated with a hash) should be cleared.
+**/
+- (void)clearNonPersistentCapabilitiesForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPCapabilitiesDelegate
+@optional
+
+/**
+ * Use this delegate method to add specific capabilities.
+ * This method in invoked automatically when the stream is connected for the first time,
+ * or if the module detects an outgoing presence element and my capabilities haven't been collected yet
+ * 
+ * The design of XEP-115 is such that capabilites are expected to remain rather static.
+ * However, if the capabilities change, the recollectMyCapabilities method may be used to perform a manual update.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query;
+
+
+/**
+ * Use this delegate method to return the feature you want to have in your capabilities e.g. @[@"urn:xmpp:archive"]
+ * Duplicate features are automatically discarded
+ * For more control over your capablities use xmppCapabilities:collectingMyCapabilities:
+**/
+- (NSArray *)myFeaturesForXMPPCapabilities:(XMPPCapabilities *)sender;
+
+/**
+ * Invoked when capabilities have been discovered for an available JID.
+ * 
+ * The caps element is the <query/> element response to a disco#info request.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender didDiscoverCapabilities:(NSXMLElement *)caps forJID:(XMPPJID *)jid;
+
+@end
diff --git a/Extensions/XEP-0115/XMPPCapabilities.m b/Extensions/XEP-0115/XMPPCapabilities.m
new file mode 100644
index 0000000..8917080
--- /dev/null
+++ b/Extensions/XEP-0115/XMPPCapabilities.m
@@ -0,0 +1,1781 @@
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPCapabilities.h"
+#import "NSData+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+/**
+ * Defines the timeout for a capabilities request.
+ * 
+ * There are two reasons to have a timeout:
+ * - To prevent the discoRequest variables from growing indefinitely if responses are not received.
+ * - If a request is sent to a jid broadcasting a capabilities hash, and it does not respond within the timeout,
+ *   we can then send a request to a different jid broadcasting the same capabilities hash.
+ * 
+ * Remember, if multiple jids all broadcast the same capabilities hash,
+ * we only (initially) send a disco request to the first jid.
+ * This is an obvious optimization to remove unnecessary traffic and cpu load.
+ * 
+ * However, if that jid doesn't respond within a sensible time period,
+ * we should move on to the next jid in the list.
+**/
+#define CAPABILITIES_REQUEST_TIMEOUT 30.0 // seconds
+
+/**
+ * Define various xmlns values.
+**/
+#define XMLNS_DISCO_INFO  @"http://jabber.org/protocol/disco#info"
+#define XMLNS_CAPS        @"http://jabber.org/protocol/caps"
+
+/**
+ * Application identifier.
+ * According to the XEP it is RECOMMENDED for the value of the 'node' attribute to be an HTTP URL.
+**/
+#ifndef DISCO_NODE
+	#define DISCO_NODE @"https://github.com/robbiehanson/XMPPFramework"
+#endif
+
+@interface GCDTimerWrapper : NSObject
+{
+	dispatch_source_t timer;
+}
+
+- (id)initWithDispatchTimer:(dispatch_source_t)aTimer;
+- (void)cancel;
+
+@end
+
+@interface XMPPCapabilities (PrivateAPI)
+
+- (void)continueCollectMyCapabilities:(NSXMLElement *)query;
+
+- (void)maybeQueryNextJidWithHashKey:(NSString *)key dueToHashMismatch:(BOOL)hashMismatch;
+
+- (void)setupTimeoutForDiscoRequestFromJID:(XMPPJID *)jid;
+- (void)setupTimeoutForDiscoRequestFromJID:(XMPPJID *)jid withHashKey:(NSString *)key;
+
+- (void)cancelTimeoutForDiscoRequestFromJID:(XMPPJID *)jid;
+
+- (void)processTimeoutWithHashKey:(NSString *)key;
+- (void)processTimeoutWithJID:(XMPPJID *)jid;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPCapabilities
+
+@dynamic xmppCapabilitiesStorage;
+@dynamic autoFetchHashedCapabilities;
+@dynamic autoFetchNonHashedCapabilities;
+@dynamic autoFetchMyServerCapabilities;
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPCapabilities.h are supported.
+	
+	return [self initWithCapabilitiesStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPCapabilities.h are supported.
+	
+	return [self initWithCapabilitiesStorage:nil dispatchQueue:queue];
+}
+
+- (id)initWithCapabilitiesStorage:(id <XMPPCapabilitiesStorage>)storage
+{
+	return [self initWithCapabilitiesStorage:storage dispatchQueue:NULL];
+}
+
+- (id)initWithCapabilitiesStorage:(id <XMPPCapabilitiesStorage>)storage dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(storage != nil);
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([storage configureWithParent:self queue:moduleQueue])
+		{
+			xmppCapabilitiesStorage = storage;
+		}
+		else
+		{
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+        
+        myCapabilitiesNode = DISCO_NODE;
+		
+		// discoRequestJidSet:
+		// 
+		// A set which contains every JID for which a current disco request applies.
+		// Note that one disco request may satisfy multiple jids in this set.
+		// This is the case if multiple jids broadcast the same capabilities hash.
+		// When this happens we send a single disco request to one of the jids,
+		// but every single jid with that hash is included in this set.
+		// This allows us to quickly and easily see if there is an outstanding disco request for a jid.
+		// 
+		// discoRequestHashDict:
+		// 
+		// A dictionary which tells us about disco requests that have been sent concerning hashed capabilities.
+		// It maps from hash (key=hash+hashAlgorithm) to an array of jids that use this hash.
+		// 
+		// discoTimerJidDict:
+		// 
+		// A dictionary that contains all the timers for timing out disco requests.
+		// It maps from jid to associated timer.
+		
+		discoRequestJidSet = [[NSMutableSet alloc] init];
+		discoRequestHashDict = [[NSMutableDictionary alloc] init];
+		discoTimerJidDict = [[NSMutableDictionary alloc] init];
+		
+		autoFetchHashedCapabilities = YES;
+		autoFetchNonHashedCapabilities = NO;
+		autoFetchMyServerCapabilities = NO;
+	}
+	return self;
+}
+
+- (void)dealloc
+{	
+	for (GCDTimerWrapper *timerWrapper in discoTimerJidDict)
+	{
+		[timerWrapper cancel];
+	}
+	
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id <XMPPCapabilitiesStorage>)xmppCapabilitiesStorage
+{
+	return xmppCapabilitiesStorage;
+}
+
+- (NSString *)myCapabilitiesNode
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return myCapabilitiesNode;
+	}
+	else
+	{
+		__block NSString *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = myCapabilitiesNode;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setMyCapabilitiesNode:(NSString *)flag
+{
+    NSAssert([flag length], @"myCapabilitiesNode MUST NOT be nil");
+
+	dispatch_block_t block = ^{
+		myCapabilitiesNode = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoFetchHashedCapabilities
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoFetchHashedCapabilities;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoFetchHashedCapabilities:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoFetchHashedCapabilities = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoFetchNonHashedCapabilities
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoFetchNonHashedCapabilities;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoFetchNonHashedCapabilities:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoFetchNonHashedCapabilities = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoFetchMyServerCapabilities
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoFetchMyServerCapabilities;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoFetchMyServerCapabilities:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoFetchMyServerCapabilities = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Hashing
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+static NSString* encodeLt(NSString *str)
+{
+	// From the RFC:
+	// 
+	// If the string "&lt;" appears in any of the hash values,
+	// then that value MUST NOT convert it to "<" because
+	// completing such a conversion would open the protocol to trivial attacks.
+	// 
+	// All of the XML libraries perform this conversion for us automatically (which makes sense).
+	// Furthermore, it is illegal for an attribute or namespace value to have a raw "<" character (as per XML).
+	// So the solution is very simple:
+	// Just convert any '<' characters to the escaped "&lt;" string.
+	
+	return [str stringByReplacingOccurrencesOfString:@"<" withString:@"&lt;"];
+}
+
+static NSInteger sortIdentities(NSXMLElement *identity1, NSXMLElement *identity2, void *context)
+{
+	// Sort the service discovery identities by category and then by type and then by xml:lang (if it exists).
+	// 
+	// All sort operations MUST be performed using "i;octet" collation as specified in Section 9.3 of RFC 4790.
+	
+	NSComparisonResult result;
+	
+	NSString *category1 = [identity1 attributeStringValueForName:@"category" withDefaultValue:@""];
+	NSString *category2 = [identity2 attributeStringValueForName:@"category" withDefaultValue:@""];
+	
+	category1 = encodeLt(category1);
+	category2 = encodeLt(category2);
+	
+	result = [category1 compare:category2 options:NSLiteralSearch];
+	if (result != NSOrderedSame)
+	{
+		return result;
+	}
+	
+	NSString *type1 = [identity1 attributeStringValueForName:@"type" withDefaultValue:@""];
+	NSString *type2 = [identity2 attributeStringValueForName:@"type" withDefaultValue:@""];
+	
+	type1 = encodeLt(type1);
+	type2 = encodeLt(type2);
+	
+	result = [type1 compare:type2 options:NSLiteralSearch];
+	if (result != NSOrderedSame)
+	{
+		return result;
+	}
+	
+	NSString *lang1 = [identity1 attributeStringValueForName:@"xml:lang" withDefaultValue:@""];
+	NSString *lang2 = [identity2 attributeStringValueForName:@"xml:lang" withDefaultValue:@""];
+	
+	lang1 = encodeLt(lang1);
+	lang2 = encodeLt(lang2);
+	
+	result = [lang1 compare:lang2 options:NSLiteralSearch];
+	if (result != NSOrderedSame)
+	{
+		return result;
+	}
+	
+	NSString *name1 = [identity1 attributeStringValueForName:@"name" withDefaultValue:@""];
+	NSString *name2 = [identity2 attributeStringValueForName:@"name" withDefaultValue:@""];
+	
+	name1 = encodeLt(name1);
+	name2 = encodeLt(name2);
+	
+	return [name1 compare:name2 options:NSLiteralSearch];
+}
+
+static NSInteger sortFeatures(NSXMLElement *feature1, NSXMLElement *feature2, void *context)
+{
+	// All sort operations MUST be performed using "i;octet" collation as specified in Section 9.3 of RFC 4790.
+	
+	NSString *var1 = [feature1 attributeStringValueForName:@"var" withDefaultValue:@""];
+	NSString *var2 = [feature2 attributeStringValueForName:@"var" withDefaultValue:@""];
+	
+	var1 = encodeLt(var1);
+	var2 = encodeLt(var2);
+	
+	return [var1 compare:var2 options:NSLiteralSearch];
+}
+
+static NSString* extractFormTypeValue(NSXMLElement *form)
+{
+	// From the RFC:
+	// 
+	// If the FORM_TYPE field is not of type "hidden" or the form does not
+	// include a FORM_TYPE field, ignore the form but continue processing.
+	// 
+	// If the FORM_TYPE field contains more than one <value/> element with different XML character data,
+	// consider the entire response to be ill-formed.
+	
+	// This method will return:
+	// 
+	// - The form type's value if it exists
+	// - An empty string if it does not contain a form type field (or the form type is not of type hidden)
+	// - Nil if the form type is invalid (contains more than one <value/> element which are different)
+	// 
+	// In other words
+	// 
+	// - Non-empty string -> proper form
+	// - Empty string -> ignore form
+	// - Nil -> Entire response is to be considered ill-formed
+	// 
+	// The returned value is properly encoded via encodeLt() and contains the trailing '<' character.
+	
+	NSArray *fields = [form elementsForName:@"field"];
+	for (NSXMLElement *field in fields)
+	{
+		NSString *var = [field attributeStringValueForName:@"var"];
+		NSString *type = [field attributeStringValueForName:@"type"];
+		
+		if ([var isEqualToString:@"FORM_TYPE"] && [type isEqualToString:@"hidden"])
+		{
+			NSArray *values = [field elementsForName:@"value"];
+			
+			if ([values count] > 0)
+			{
+				if ([values count] > 1)
+				{
+					NSString *baseValue = [values[0] stringValue];
+					
+					NSUInteger i;
+					for (i = 1; i < [values count]; i++)
+					{
+						NSString *value = [values[i] stringValue];
+						
+						if (![value isEqualToString:baseValue])
+						{
+							// Multiple <value/> elements with differing XML character data
+							return nil;
+						}
+					}
+				}
+				
+				NSString *result = [[values lastObject] stringValue];
+				if (result == nil)
+				{
+					// This is why the result contains the trailing '<' character.
+					result = @"";
+				}
+				
+				return [NSString stringWithFormat:@"%@<", encodeLt(result)];
+			}
+		}
+	}
+	
+	return @"";
+}
+
+static NSInteger sortForms(NSXMLElement *form1, NSXMLElement *form2, void *context)
+{
+	// Sort the forms by the FORM_TYPE (i.e., by the XML character data of the <value/> element.
+	// 
+	// All sort operations MUST be performed using "i;octet" collation as specified in Section 9.3 of RFC 4790.
+	
+	NSString *formTypeValue1 = extractFormTypeValue(form1);
+	NSString *formTypeValue2 = extractFormTypeValue(form2);
+	
+	// The formTypeValue variable is guaranteed to be properly encoded.
+	
+	if (formTypeValue1)
+	{
+		if (formTypeValue2)
+			return [formTypeValue1 compare:formTypeValue2 options:NSLiteralSearch];
+		else
+			return NSOrderedAscending;
+	}
+	else if (formTypeValue2)
+	{
+		return NSOrderedDescending;
+	}
+	else
+	{
+		return NSOrderedSame;
+	}
+}
+
+static NSInteger sortFormFields(NSXMLElement *field1, NSXMLElement *field2, void *context)
+{
+	// Sort the fields by the "var" attribute.
+	// 
+	// All sort operations MUST be performed using "i;octet" collation as specified in Section 9.3 of RFC 4790.
+	
+	NSString *var1 = [field1 attributeStringValueForName:@"var" withDefaultValue:@""];
+	NSString *var2 = [field2 attributeStringValueForName:@"var" withDefaultValue:@""];
+	
+	var1 = encodeLt(var1);
+	var2 = encodeLt(var2);
+	
+	return [var1 compare:var2 options:NSLiteralSearch];
+}
+
+static NSInteger sortFieldValues(NSXMLElement *value1, NSXMLElement *value2, void *context)
+{
+	NSString *str1 = [value1 stringValue];
+	NSString *str2 = [value2 stringValue];
+	
+	if (str1 == nil) str1 = @"";
+	if (str2 == nil) str2 = @"";
+	
+	str1 = encodeLt(str1);
+	str2 = encodeLt(str2);
+	
+	return [str1 compare:str2 options:NSLiteralSearch];
+}
+
++ (NSString *)hashCapabilitiesFromQuery:(NSXMLElement *)query
+{
+	if (query == nil) return nil;
+	
+	NSMutableSet *set = [NSMutableSet set];
+	
+	NSMutableString *s = [NSMutableString string];
+	
+	NSArray *identities = [[query elementsForName:@"identity"] sortedArrayUsingFunction:sortIdentities context:NULL];
+	for (NSXMLElement *identity in identities)
+	{
+		// Format as: category / type / lang / name
+		
+		NSString *category = [identity attributeStringValueForName:@"category" withDefaultValue:@""];
+		NSString *type     = [identity attributeStringValueForName:@"type"     withDefaultValue:@""];
+		NSString *lang     = [identity attributeStringValueForName:@"xml:lang" withDefaultValue:@""];
+		NSString *name     = [identity attributeStringValueForName:@"name"     withDefaultValue:@""];
+		
+		category = encodeLt(category);
+		type     = encodeLt(type);
+		lang     = encodeLt(lang);
+		name     = encodeLt(name);
+		
+		NSString *mash = [NSString stringWithFormat:@"%@/%@/%@/%@<", category, type, lang, name];
+		
+		// Section 5.4, rule 3.3:
+		// 
+		// If the response includes more than one service discovery identity with
+		// the same category/type/lang/name, consider the entire response to be ill-formed.
+		
+		if ([set containsObject:mash])
+		{
+			return nil;
+		}
+		else
+		{
+			[set addObject:mash];
+		}
+		
+		[s appendString:mash];
+	}
+	
+	[set removeAllObjects];
+	
+	
+	NSArray *features = [[query elementsForName:@"feature"] sortedArrayUsingFunction:sortFeatures context:NULL];
+	for (NSXMLElement *feature in features)
+	{
+		NSString *var = [feature attributeStringValueForName:@"var" withDefaultValue:@""];
+		
+		var = encodeLt(var);
+		
+		NSString *mash = [NSString stringWithFormat:@"%@<", var];
+		
+		// Section 5.4, rule 3.4:
+		// 
+		// If the response includes more than one service discovery feature with the
+		// same XML character data, consider the entire response to be ill-formed.
+		
+		if ([set containsObject:mash])
+		{
+			return nil;
+		}
+		else
+		{
+			[set addObject:mash];
+		}
+		
+		[s appendString:mash];
+	}
+	
+	[set removeAllObjects];
+	
+	NSArray *unsortedForms = [query elementsForLocalName:@"x" URI:@"jabber:x:data"];
+	NSArray *forms = [unsortedForms sortedArrayUsingFunction:sortForms context:NULL];
+	for (NSXMLElement *form in forms)
+	{
+		NSString *formTypeValue = extractFormTypeValue(form);
+		
+		if (formTypeValue == nil)
+		{
+			// Invalid according to section 5.4, rule 3.5
+			return nil;
+		}
+		if ([formTypeValue length] == 0)
+		{
+			// Ignore according to section 5.4, rule 3.6
+			continue;
+		}
+		
+		// Note: The formTypeValue is properly encoded and contains the trailing '<' character.
+		
+		[s appendString:formTypeValue];
+		
+		NSArray *fields = [[form elementsForName:@"field"] sortedArrayUsingFunction:sortFormFields context:NULL];
+		for (NSXMLElement *field in fields)
+		{
+			// For each field other than FORM_TYPE:
+			// 
+			// 1. Append the value of the var attribute, followed by the '<' character.
+			// 2. Sort values by the XML character data of the <value/> element.
+			// 3. For each <value/> element, append the XML character data, followed by the '<' character.
+			
+			NSString *var = [field attributeStringValueForName:@"var" withDefaultValue:@""];
+			
+			var = encodeLt(var);
+			
+			if ([var isEqualToString:@"FORM_TYPE"])
+			{
+				continue;
+			}
+			
+			[s appendFormat:@"%@<", var];
+			
+			NSArray *values = [[field elementsForName:@"value"] sortedArrayUsingFunction:sortFieldValues context:NULL];
+			for (NSXMLElement *value in values)
+			{
+				NSString *str = [value stringValue];
+				if (str == nil)
+				{
+					str = @"";
+				}
+				
+				str = encodeLt(str);
+				
+				[s appendFormat:@"%@<", str];
+			}
+		}
+	}
+	
+	NSData *data = [s dataUsingEncoding:NSUTF8StringEncoding];
+	NSData *hash = [data xmpp_sha1Digest];
+	
+	return [hash xmpp_base64Encoded];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Key Conversions
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)keyFromHash:(NSString *)hash algorithm:(NSString *)hashAlg
+{
+	return [NSString stringWithFormat:@"%@-%@", hash, hashAlg];
+}
+
+- (BOOL)getHash:(NSString **)hashPtr algorithm:(NSString **)hashAlgPtr fromKey:(NSString *)key
+{
+	if (key == nil) return NO;
+	
+	NSRange range = [key rangeOfString:@"-"];
+	
+	if (range.location == NSNotFound)
+	{
+		return NO;
+	}
+	
+	if (hashPtr)
+	{
+		*hashPtr = [key substringToIndex:range.location];
+	}
+	if (hashAlgPtr)
+	{
+		*hashAlgPtr = [key substringFromIndex:(range.location + range.length)];
+	}
+	
+	return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Logic
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)collectMyCapabilities
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if (collectingMyCapabilities)
+	{
+		XMPPLogInfo(@"%@: %@ - Existing collection already in progress", [self class], THIS_METHOD);
+		return;
+	}
+	
+	 myCapabilitiesQuery = nil;
+	 myCapabilitiesC = nil;
+	
+	collectingMyCapabilities = YES;
+	
+	// Create new query and add standard features
+	// 
+	// <query xmlns="http://jabber.org/protocol/disco#info">
+	//   <feature var='http://jabber.org/protocol/disco#info'/>
+	//   <feature var="http://jabber.org/protocol/caps"/>
+	// </query>
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMLNS_DISCO_INFO];
+	
+	NSXMLElement *feature1 = [NSXMLElement elementWithName:@"feature"];
+	[feature1 addAttributeWithName:@"var" stringValue:XMLNS_DISCO_INFO];
+	
+	NSXMLElement *feature2 = [NSXMLElement elementWithName:@"feature"];
+	[feature2 addAttributeWithName:@"var" stringValue:XMLNS_CAPS];
+	
+	[query addChild:feature1];
+	[query addChild:feature2];
+	
+	// Now prompt the delegates to add any additional features.
+	
+	SEL collectingMyCapabilitiesSelector = @selector(xmppCapabilities:collectingMyCapabilities:);
+	SEL myFeaturesForXMPPCapabilitiesSelector = @selector(myFeaturesForXMPPCapabilities:);
+		
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:collectingMyCapabilitiesSelector]
+		&& ![multicastDelegate hasDelegateThatRespondsToSelector:myFeaturesForXMPPCapabilitiesSelector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		[self continueCollectMyCapabilities:query];
+	}
+	else
+	{
+		// Query all interested delegates.
+		// This must be done serially to allow them to alter the element in a thread-safe manner.
+		
+		GCDMulticastDelegateEnumerator *collectingMyCapabilitiesDelegateEnumerator = [multicastDelegate delegateEnumerator];
+		GCDMulticastDelegateEnumerator *myFeaturesForXMPPCapabilitiesDelegateEnumerator = [multicastDelegate delegateEnumerator];
+
+		
+		dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(concurrentQueue, ^{ @autoreleasepool {
+			
+						
+			id del;
+			dispatch_queue_t dq;
+			
+			while ([collectingMyCapabilitiesDelegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:collectingMyCapabilitiesSelector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					[del xmppCapabilities:self collectingMyCapabilities:query];
+				}});
+			}
+						
+			while ([myFeaturesForXMPPCapabilitiesDelegateEnumerator getNextDelegate:&del delegateQueue:&dq forSelector:myFeaturesForXMPPCapabilitiesSelector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+					
+					NSArray *features =  [del myFeaturesForXMPPCapabilities:self];
+					
+					for(NSString *feature in features){
+					
+						BOOL found = NO;
+						
+						//Check to see if the feature is already in my capabilities
+						for (NSXMLElement *childElement in query.children) {
+							
+							if([[childElement attributeStringValueForName:@"var"] isEqualToString:feature])
+							{
+								found = YES;
+								break;
+							}
+						}
+						
+						//The feature is not already in our capabilities so add it
+						if(!found)
+						{
+							NSXMLElement *featureElement = [NSXMLElement elementWithName:@"feature"];
+							[featureElement addAttributeWithName:@"var" stringValue:feature];
+							[query addChild:featureElement];
+						}
+					}
+					
+				}});
+			}
+						
+			dispatch_async(moduleQueue, ^{ @autoreleasepool {
+				
+				[self continueCollectMyCapabilities:query];
+			}});
+			
+		}});
+	}
+}
+
+- (void)continueCollectMyCapabilities:(NSXMLElement *)query
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	collectingMyCapabilities = NO;
+	
+	myCapabilitiesQuery = query;
+	
+	XMPPLogVerbose(@"%@: My capabilities:\n%@", THIS_FILE,
+				   [query XMLStringWithOptions:(NSXMLNodeCompactEmptyElement | NSXMLNodePrettyPrint)]);
+	
+	NSString *hash = [self.class hashCapabilitiesFromQuery:query];
+	
+	if (hash == nil)
+	{
+		XMPPLogWarn(@"%@: Unable to hash capabilites (in order to send in presense element)\n"
+					"Perhaps there are duplicate advertised features...\n%@", THIS_FILE,
+					[query XMLStringWithOptions:(NSXMLNodeCompactEmptyElement | NSXMLNodePrettyPrint)]);
+		return;
+	}
+	
+	NSString *hashAlg = @"sha-1";
+	
+	// Cache the hash
+	
+	[xmppCapabilitiesStorage setCapabilities:query forHash:hash algorithm:hashAlg];
+	
+	// Create the c element, which will be added to normal outgoing presence elements.
+	// 
+	// <c xmlns="http://jabber.org/protocol/caps"
+	//     hash="sha-1"
+	//     node="https://github.com/robbiehanson/XMPPFramework"
+	//     ver="QgayPKawpkPSDYmwT/WM94uA1u0="/>
+	
+	myCapabilitiesC = [[NSXMLElement alloc] initWithName:@"c" xmlns:XMLNS_CAPS];
+	[myCapabilitiesC addAttributeWithName:@"hash" stringValue:hashAlg];
+	[myCapabilitiesC addAttributeWithName:@"node" stringValue:myCapabilitiesNode];
+	[myCapabilitiesC addAttributeWithName:@"ver"  stringValue:hash];
+	
+	// If the collection process started when the stream was connected,
+	// and ended up taking so long as to not be available when the presence was sent,
+	// we should re-broadcast our presence now that we know what our capabilities are.
+	
+	[xmppStream resendMyPresence];
+}
+
+- (void)recollectMyCapabilities
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[self collectMyCapabilities];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)sendDiscoInfoQueryTo:(XMPPJID *)jid withNode:(NSString *)node ver:(NSString *)ver
+{
+	// <iq to="romeo@montague.lit/orchard" id="uuid" type="get">
+	//   <query xmlns="http://jabber.org/protocol/disco#info" node="[node]#[ver]"/>
+	// </iq>
+	// 
+	// Note:
+	// Some xmpp clients will return an error if we don't specify the proper query node.
+	// Some xmpp clients will return an error if we don't include an id attribute in the iq.
+	
+	NSXMLElement *query = [NSXMLElement elementWithName:@"query" xmlns:XMLNS_DISCO_INFO];
+	
+	if (node && ver)
+	{
+		NSString *nodeValue = [NSString stringWithFormat:@"%@#%@", node, ver];
+		
+		[query addAttributeWithName:@"node" stringValue:nodeValue];
+	}
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:jid elementID:[xmppStream generateUUID] child:query];
+	
+	[xmppStream sendElement:iq];
+}
+
+- (void)fetchCapabilitiesForJID:(XMPPJID *)jid
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if ([discoRequestJidSet containsObject:jid])
+		{
+			// We're already requesting capabilities concerning this JID
+			return;
+		}
+		
+		BOOL areCapabilitiesKnown;
+		BOOL haveFailedFetchingBefore;
+		
+		NSString *node    = nil;
+		NSString *ver     = nil;
+		NSString *hash    = nil;
+		NSString *hashAlg = nil;
+		
+		[xmppCapabilitiesStorage getCapabilitiesKnown:&areCapabilitiesKnown
+		                                       failed:&haveFailedFetchingBefore
+		                                         node:&node
+		                                          ver:&ver
+		                                          ext:nil
+		                                         hash:&hash
+		                                    algorithm:&hashAlg
+		                                       forJID:jid
+		                                   xmppStream:xmppStream];
+		
+		if (areCapabilitiesKnown)
+		{
+			// We already know the capabilities for this JID
+			return;
+		}
+		if (haveFailedFetchingBefore)
+		{
+			// We've already sent a fetch request to the JID in the past, which failed.
+			return;
+		}
+		
+		NSString *key = nil;
+		
+		if (hash && hashAlg)
+		{
+			// This jid is associated with a capabilities hash.
+			// 
+			// Now, we've verified that the jid is not in the discoRequestJidSet.
+			// But consider the following scenario.
+			// 
+			// - autoFetchCapabilities is false.
+			// - We receive 2 presence elements from 2 different jids, both advertising the same capabilities hash.
+			// - This method is called for the first jid.
+			// - This method is then immediately called for the second jid.
+			// 
+			// Now since autoFetchCapabilities is false, the second jid will not be in the discoRequestJidSet.
+			// However, there is still a disco request that concerns the jid.
+			
+			key = [self keyFromHash:hash algorithm:hashAlg];
+			NSMutableArray *jids = discoRequestHashDict[key];
+			
+			if (jids)
+			{
+				// We're already requesting capabilities concerning this JID.
+				// That is, there is another JID with the same hash, and we've already sent a disco request to it.
+				
+				[jids addObject:jid];
+				[discoRequestJidSet addObject:jid];
+				
+				return;
+			}
+			
+			// The first object in the jids array is the index of the last jid that we've sent a disco request to.
+			// This is used in case the jid does not respond.
+			
+			NSNumber *requestIndexNum = @1;
+			jids = [@[requestIndexNum, jid] mutableCopy];
+			
+			discoRequestHashDict[key] = jids;
+			[discoRequestJidSet addObject:jid];
+		}
+		else
+		{
+			[discoRequestJidSet addObject:jid];
+		}
+		
+		// Send disco#info query
+		
+		[self sendDiscoInfoQueryTo:jid withNode:node ver:ver];
+		
+		// Setup request timeout
+		
+		if (key)
+		{
+			[self setupTimeoutForDiscoRequestFromJID:jid withHashKey:key];
+		}
+		else
+		{
+			[self setupTimeoutForDiscoRequestFromJID:jid];
+		}
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+/**
+ * Invoked when an available presence element is received with
+ * a capabilities child element that conforms to the XEP-0115 standard.
+**/
+- (void)handlePresenceCapabilities:(NSXMLElement *)c fromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, jid);
+	
+	// <presence from="romeo@montague.lit/orchard">
+	//   <c xmlns="http://jabber.org/protocol/caps"
+	//       hash="sha-1"
+	//       node="http://code.google.com/p/exodus"
+	//       ver="QgayPKawpkPSDYmwT/WM94uA1u0="/>
+	// </presence>
+	
+	NSString *node = [c attributeStringValueForName:@"node"];
+	NSString *ver  = [c attributeStringValueForName:@"ver"];
+	NSString *hash = [c attributeStringValueForName:@"hash"];
+	
+	if ((node == nil) || (ver == nil))
+	{
+		// Invalid capabilities node!
+		
+		if (autoFetchNonHashedCapabilities)
+		{
+			[self fetchCapabilitiesForJID:jid];
+		}
+		
+		return;
+	}
+	
+	// Note: We already checked the hash variable in the xmppStream:didReceivePresence: method below.
+	
+	// Remember: hash="sha-1" ver="ABC-Actual-Hash-DEF".
+	// It's a bit confusing as it was designed this way for backwards compatibility with v 1.4 and below.
+	
+	NSXMLElement *newCapabilities = nil;
+	
+	BOOL areCapabilitiesKnown = [xmppCapabilitiesStorage setCapabilitiesNode:node
+	                                                                     ver:ver
+	                                                                     ext:nil
+	                                                                    hash:ver  // Yes, this is correct (see above)
+	                                                               algorithm:hash // Ditto
+	                                                                  forJID:jid
+	                                                              xmppStream:xmppStream
+	                                                   andGetNewCapabilities:&newCapabilities];
+	if (areCapabilitiesKnown)
+	{
+		XMPPLogVerbose(@"%@: Capabilities already known for jid(%@) with hash(%@)", THIS_FILE, jid, ver);
+		
+		if (newCapabilities)
+		{
+			// This is the first time we've linked the jid with the set of capabilities.
+			// We didn't need to do any lookups due to hashing and caching.
+			
+			// Notify the delegate(s)
+			[multicastDelegate xmppCapabilities:self didDiscoverCapabilities:newCapabilities forJID:jid];
+		}
+		
+		// The capabilities for this hash are already known
+		return;
+	}
+	
+	// Should we automatically fetch the capabilities?
+	
+	if (!autoFetchHashedCapabilities)
+	{
+		return;
+	}
+	
+	// Are we already fetching the capabilities?
+	
+	NSString *key = [self keyFromHash:ver algorithm:hash];
+	NSMutableArray *jids = discoRequestHashDict[key];
+	
+	if (jids)
+	{
+		XMPPLogVerbose(@"%@: We're already fetching capabilities for hash(%@)", THIS_FILE, ver);
+		
+		// Is the jid already included in this list?
+		// 
+		// There are actually two ways we can answer this question.
+		// - Invoke containsObject on the array (jids)
+		// - Invoke containsObject on the set (discoRequestJidSet)
+		// 
+		// This is much faster to do on a set.
+		
+		if (![discoRequestJidSet containsObject:jid])
+		{
+			[discoRequestJidSet addObject:jid];
+			[jids addObject:jid];
+		}
+		
+		// We've already sent a disco request concerning this hash.
+		return;
+	}
+	
+	// We've never sent a request for this hash.
+	// Add the jid to the discoRequest variables.
+	
+	// Note: The first object in the jids array is the index of the last jid that we've sent a disco request to.
+	// This is used in case the jid does not respond.
+	// 
+	// Here's the scenario:
+	// We receive 5 presence elements from 5 different jids,
+	// all advertising the same capabilities via the same hash.
+	// We don't want to waste bandwidth and cpu by sending a disco request to all 5 jids.
+	// So we send a disco request to the first jid.
+	// But then what happens if that jid never responds?
+	// Perhaps it went offline before it could get the message.
+	// After a period of time ellapses, we should send a request to the next jid in the list.
+	// So how do we know what the next jid in the list is?
+	// Via the requestIndexNum of course.
+	
+	NSNumber *requestIndexNum = @1;
+	jids = [@[requestIndexNum, jid] mutableCopy];
+	
+	discoRequestHashDict[key] = jids;
+	[discoRequestJidSet addObject:jid];
+	
+	// Send disco#info query
+	
+	[self sendDiscoInfoQueryTo:jid withNode:node ver:ver];
+	
+	// Setup request timeout
+	
+	[self setupTimeoutForDiscoRequestFromJID:jid withHashKey:key];
+}
+
+/**
+ * Invoked when an available presence element is received with
+ * a capabilities child element that implements the legacy version of XEP-0115.
+**/
+- (void)handleLegacyPresenceCapabilities:(NSXMLElement *)c fromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, jid);
+	
+	NSString *node = [c attributeStringValueForName:@"node"];
+	NSString *ver  = [c attributeStringValueForName:@"ver"];
+	NSString *ext  = [c attributeStringValueForName:@"ext"];
+	
+	if ((node == nil) || (ver == nil))
+	{
+		// Invalid capabilities node!
+		
+		if (autoFetchNonHashedCapabilities)
+		{
+			[self fetchCapabilitiesForJID:jid];
+		}
+		
+		return;
+	}
+	
+	BOOL areCapabilitiesKnown = [xmppCapabilitiesStorage setCapabilitiesNode:node
+	                                                                     ver:ver
+	                                                                     ext:ext
+	                                                                    hash:nil
+	                                                               algorithm:nil
+	                                                                  forJID:jid
+	                                                              xmppStream:xmppStream
+	                                                   andGetNewCapabilities:nil];
+	if (areCapabilitiesKnown)
+	{
+		XMPPLogVerbose(@"%@: Capabilities already known for jid(%@)", THIS_FILE, jid);
+		
+		// The capabilities for this jid are already known
+		return;
+	}
+	
+	// Should we automatically fetch the capabilities?
+	
+	if (!autoFetchNonHashedCapabilities)
+	{
+		return;
+	}
+	
+	// Are we already fetching the capabilities?
+	
+	if ([discoRequestJidSet containsObject:jid])
+	{
+		XMPPLogVerbose(@"%@: We're already fetching capabilities for jid(%@)", THIS_FILE, jid);
+		
+		// We've already sent a disco request to this jid.
+		return;
+	}
+	
+	[discoRequestJidSet addObject:jid];
+	
+	// Send disco#info query
+	
+	[self sendDiscoInfoQueryTo:jid withNode:node ver:ver];
+	
+	// Setup request timeout
+	
+	[self setupTimeoutForDiscoRequestFromJID:jid];
+}
+
+/**
+ * Invoked when we receive a disco request (request for our capabilities).
+ * We should response with the proper disco response.
+**/
+- (void)handleDiscoRequest:(XMPPIQ *)iqRequest
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	if (myCapabilitiesQuery == nil)
+	{
+		// It appears we haven't collected our list of capabilites yet.
+		// This will need to be done before we can add the hash to the outgoing presence element.
+		
+		[self collectMyCapabilities];
+	}
+	else if (myCapabilitiesC)
+	{
+		NSXMLElement *queryRequest = [iqRequest childElement];
+		NSString *node = [queryRequest attributeStringValueForName:@"node"];
+		
+		// <iq to="jid" id="id" type="result">
+		//   <query xmlns="http://jabber.org/protocol/disco#info">
+		//     <feature var="feature1"/>
+		//     <feature var="feature2"/>
+		//   </query>
+		// </iq>
+		
+		NSXMLElement *query = [myCapabilitiesQuery copy];
+		if (node)
+		{
+			[query addAttributeWithName:@"node" stringValue:node];
+		}
+		
+		XMPPIQ *iqResponse = [XMPPIQ iqWithType:@"result"
+		                                     to:[iqRequest from]
+		                              elementID:[iqRequest elementID]
+		                                  child:query];
+		
+		[xmppStream sendElement:iqResponse];
+	}
+}
+
+/**
+ * Invoked when we receive a response to one of our previously sent disco requests.
+**/
+- (void)handleDiscoResponse:(NSXMLElement *)querySubElement fromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Remember XML hiearchy memory management rules.
+	// The passed parameter is a subnode of the IQ, and we need to pass it asynchronously to storge / delegate(s).
+	NSXMLElement *query = [querySubElement copy];
+	
+	NSString *hash = nil;
+	NSString *hashAlg = nil;
+	
+	BOOL hashResponse = [xmppCapabilitiesStorage getCapabilitiesHash:&hash
+	                                                       algorithm:&hashAlg
+	                                                          forJID:jid
+	                                                      xmppStream:xmppStream];
+	if (hashResponse)
+	{
+		XMPPLogVerbose(@"%@: %@ - Hash response...", THIS_FILE, THIS_METHOD);
+		
+		// Standard version 1.5+
+		
+		NSString *key = [self keyFromHash:hash algorithm:hashAlg];
+		
+		NSString *calculatedHash = [self.class hashCapabilitiesFromQuery:query];
+		
+		if ([calculatedHash isEqualToString:hash])
+		{
+			XMPPLogVerbose(@"%@: %@ - Hash matches!", THIS_FILE, THIS_METHOD);
+			
+			// Store the capabilities (associated with the hash)
+			[xmppCapabilitiesStorage setCapabilities:query forHash:hash algorithm:hashAlg];
+			
+			// Remove the jid(s) from the discoRequest variables
+			NSArray *jids = discoRequestHashDict[key];
+			
+			NSUInteger i;
+			for (i = 1; i < [jids count]; i++)
+			{
+				XMPPJID *currentJid = jids[i];
+				
+				[discoRequestJidSet removeObject:currentJid];
+				
+				// Notify the delegate(s)
+				[multicastDelegate xmppCapabilities:self didDiscoverCapabilities:query forJID:currentJid];
+			}
+			
+			[discoRequestHashDict removeObjectForKey:key];
+			
+			// Cancel the request timeout
+			[self cancelTimeoutForDiscoRequestFromJID:jid];
+		}
+		else
+		{
+			XMPPLogWarn(@"%@: Hash mismatch! hash(%@) != calculatedHash(%@)", THIS_FILE, hash, calculatedHash);
+			
+			// Revoke the associated hash from the jid
+			[xmppCapabilitiesStorage clearCapabilitiesHashAndAlgorithmForJID:jid xmppStream:xmppStream];
+			
+			// Now set the capabilities for the jid
+			[xmppCapabilitiesStorage setCapabilities:query forJID:jid xmppStream:xmppStream];
+			
+			// Notify the delegate(s)
+			[multicastDelegate xmppCapabilities:self didDiscoverCapabilities:query forJID:jid];
+			
+			// We'd still like to know what the capabilities are for this hash.
+			// Move onto the next one in the list (if there are more, otherwise stop).
+			[self maybeQueryNextJidWithHashKey:key dueToHashMismatch:YES];
+		}
+	}
+	else
+	{
+		XMPPLogVerbose(@"%@: %@ - Non-Hash response", THIS_FILE, THIS_METHOD);
+		
+		// Store the capabilities (associated with the jid)		
+		[xmppCapabilitiesStorage setCapabilities:query forJID:jid xmppStream:xmppStream];
+		
+		// Remove the jid from the discoRequest variable
+		[discoRequestJidSet removeObject:jid];
+		
+		// Cancel the request timeout
+		[self cancelTimeoutForDiscoRequestFromJID:jid];
+		
+		// Notify the delegate(s)
+		[multicastDelegate xmppCapabilities:self didDiscoverCapabilities:query forJID:jid];
+	}
+}
+
+- (void)handleDiscoErrorResponse:(NSXMLElement *)querySubElement fromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	NSString *hash = nil;
+	NSString *hashAlg = nil;
+	
+	BOOL hashResponse = [xmppCapabilitiesStorage getCapabilitiesHash:&hash
+	                                                       algorithm:&hashAlg
+	                                                          forJID:jid
+	                                                      xmppStream:xmppStream];
+	if (hashResponse)
+	{
+		NSString *key = [self keyFromHash:hash algorithm:hashAlg];
+		
+		// We'd still like to know what the capabilities are for this hash.
+		// Move onto the next one in the list (if there are more, otherwise stop).
+		[self maybeQueryNextJidWithHashKey:key dueToHashMismatch:NO];
+	}
+	else
+	{
+		// Make a note of the failure
+		[xmppCapabilitiesStorage setCapabilitiesFetchFailedForJID:jid xmppStream:xmppStream];
+		
+		// Remove the jid from the discoRequest variable
+		[discoRequestJidSet removeObject:jid];
+		
+		// Cancel the request timeout
+		[self cancelTimeoutForDiscoRequestFromJID:jid];
+	}
+}
+
+- (void)maybeQueryNextJidWithHashKey:(NSString *)key dueToHashMismatch:(BOOL)hashMismatch
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Get the list of jids that have the same capabilities hash
+	
+	NSMutableArray *jids = discoRequestHashDict[key];
+	if (jids == nil)
+	{
+		XMPPLogWarn(@"%@: %@ - Key doesn't exist in discoRequestHashDict", THIS_FILE, THIS_METHOD);
+		
+		return;
+	}
+	
+	// Get the index and jid of the fetch that just failed
+	
+	NSUInteger requestIndex = [jids[0] unsignedIntegerValue];
+	XMPPJID *jid = jids[requestIndex];
+	
+	// Release the associated timer
+	[self cancelTimeoutForDiscoRequestFromJID:jid];
+	
+	if (hashMismatch)
+	{
+		// We need to remove the naughty jid from the lists.
+		
+		[discoRequestJidSet removeObject:jid];
+		[jids removeObjectAtIndex:requestIndex];
+	}
+	else
+	{
+		// We want to move onto the next jid in the list.
+		// Increment request index (and update object in jids array),
+	
+		requestIndex++;
+		jids[0] = @(requestIndex);
+	}
+	
+	// Do we have another jid that we can query?
+	// That is, another jid that was broadcasting the same capabilities hash.
+	
+	if (requestIndex < [jids count])
+	{
+		jid = jids[requestIndex];
+		
+		NSString *node = nil;
+		NSString *ver  = nil;
+		
+		[xmppCapabilitiesStorage getCapabilitiesKnown:nil
+		                                       failed:nil
+		                                         node:&node
+		                                          ver:&ver
+		                                          ext:nil
+		                                         hash:nil
+		                                    algorithm:nil
+		                                       forJID:jid
+		                                   xmppStream:xmppStream];
+		
+		// Send disco#info query
+		
+		[self sendDiscoInfoQueryTo:jid withNode:node ver:ver];
+		
+		// Setup request timeout
+		
+		[self setupTimeoutForDiscoRequestFromJID:jid withHashKey:key];
+	}
+	else
+	{
+		// We've queried every single jid that was broadcasting this capabilities hash.
+		// Nothing left to do now but wait.
+		// 
+		// If one of the jids happens to eventually respond,
+		// then we'll still be able to link the capabilities to every jid with the same capabilities hash.
+		// 
+		// This would be handled by the xmppCapabilitiesStorage class,
+		// via the setCapabilitiesForJID method.
+		
+		NSUInteger i;
+		for (i = 1; i < [jids count]; i++)
+		{
+			jid = jids[i];
+			
+			[discoRequestJidSet removeObject:jid];
+			[xmppCapabilitiesStorage setCapabilitiesFetchFailedForJID:jid xmppStream:xmppStream];
+		}
+		
+		[discoRequestHashDict removeObjectForKey:key];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidConnect:(XMPPStream *)sender
+{
+	// If this is the first time we've connected, start collecting our list of capabilities.
+	// We do this now so that the process is likely ready by the time we need to send a presence element.
+	
+	if (myCapabilitiesQuery == nil)
+	{
+		[self collectMyCapabilities];
+	}
+}
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{	
+	if (autoFetchMyServerCapabilities)
+	{
+		XMPPJID *myJID = [xmppStream myJID];
+		XMPPJID *myServerJID = [XMPPJID jidWithUser:nil domain:[myJID domain] resource:nil];
+		[self fetchCapabilitiesForJID:myServerJID];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence
+{
+	// This method is invoked on the moduleQueue.
+	
+	// XEP-0115 presence:
+	// 
+	// <presence from="romeo@montague.lit/orchard">
+	//   <c xmlns="http://jabber.org/protocol/caps"
+	//       hash="sha-1"
+	//       node="http://code.google.com/p/exodus"
+	//       ver="QgayPKawpkPSDYmwT/WM94uA1u0="/>
+	// </presence>
+	
+	NSString *type = [presence type];
+	
+	XMPPJID *myJID = xmppStream.myJID;
+	if ([myJID isEqual:[presence from]])
+	{
+		// Our own presence is being reflected back to us.
+		return;
+	}
+	
+	if ([type isEqualToString:@"unavailable"])
+	{
+		[xmppCapabilitiesStorage clearNonPersistentCapabilitiesForJID:[presence from] xmppStream:xmppStream];
+	}
+	else if ([type isEqualToString:@"available"])
+	{
+		NSXMLElement *c = [presence elementForName:@"c" xmlns:XMLNS_CAPS];
+		if (c == nil)
+		{
+			if (autoFetchNonHashedCapabilities)
+			{
+				[self fetchCapabilitiesForJID:[presence from]];
+			}
+		}
+		else
+		{
+			NSString *hash = [c attributeStringValueForName:@"hash"];
+			if (hash)
+			{
+				[self handlePresenceCapabilities:c fromJID:[presence from]];
+			}
+			else
+			{
+				[self handleLegacyPresenceCapabilities:c fromJID:[presence from]];
+			}
+		}
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// This method is invoked on the moduleQueue.
+	
+	// Disco Request:
+	// 
+	// <iq from="juliet@capulet.lit/chamber" type="get">
+	//   <query xmlns="http://jabber.org/protocol/disco#info"/>
+	// </iq>
+	// 
+	// Disco Response:
+	// 
+	// <iq from="romeo@montague.lit/orchard" type="result">
+	//   <query xmlns="http://jabber.org/protocol/disco#info">
+	//     <feature var="feature1"/>
+	//     <feature var="feature2"/>
+	//   </query>
+	// </iq>
+	
+	NSXMLElement *query = [iq elementForName:@"query" xmlns:XMLNS_DISCO_INFO];
+	if (query == nil)
+	{
+		return NO;
+	}
+	
+	NSString *type = [[iq attributeStringValueForName:@"type"] lowercaseString];
+	if ([type isEqualToString:@"get"])
+	{
+		NSString *node = [query attributeStringValueForName:@"node"];
+		
+		if (node == nil || [node hasPrefix:myCapabilitiesNode])
+		{
+			[self handleDiscoRequest:iq];
+		}
+		else
+		{
+			return NO;
+		}
+	}
+	else if ([type isEqualToString:@"result"])
+	{
+		[self handleDiscoResponse:query fromJID:[iq from]];
+	}
+	else if ([type isEqualToString:@"error"])
+	{
+		[self handleDiscoErrorResponse:query fromJID:[iq from]];
+	}
+	else
+	{
+		return NO;
+	}
+	
+	return YES;
+}
+
+- (XMPPPresence *)xmppStream:(XMPPStream *)sender willSendPresence:(XMPPPresence *)presence
+{
+	// This method is invoked on the moduleQueue.
+	
+	NSString *type = [presence type];
+	
+	if ([type isEqualToString:@"unavailable"])
+	{
+		[xmppCapabilitiesStorage clearAllNonPersistentCapabilitiesForXMPPStream:xmppStream];
+	}
+	else if ([type isEqualToString:@"available"])
+	{
+		if (myCapabilitiesQuery == nil)
+		{
+			// It appears we haven't collected our list of capabilites yet.
+			// This will need to be done before we can add the hash to the outgoing presence element.
+			
+			[self collectMyCapabilities];
+		}
+		else if (myCapabilitiesC)
+		{
+			NSXMLElement *c = [myCapabilitiesC copy];
+			NSXMLElement *oldC = [presence elementForName:c.name xmlns:c.xmlns];
+			if (oldC)
+			{
+				[presence removeChildAtIndex:[presence.children indexOfObject:oldC]];
+				[presence addChild:c];
+			}
+			else
+			{
+				[presence addChild:c];
+			}
+		}
+	}
+	
+	return presence;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Timers
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setupTimeoutForDiscoRequestFromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// If the timeout occurs, we will remove the jid from the discoRequestJidSet.
+	// If we eventually get a response (after the timeout) we will still be able to process it.
+	// The timeout simply prevents the set from growing infinitely.
+	
+	dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+	
+	dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+		
+		[self processTimeoutWithJID:jid];
+		
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+	}});
+	
+	dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (CAPABILITIES_REQUEST_TIMEOUT * NSEC_PER_SEC));
+	
+	dispatch_source_set_timer(timer, tt, DISPATCH_TIME_FOREVER, 0);
+	dispatch_resume(timer);
+	
+	// We also keep a reference to the timer in the discoTimerJidDict.
+	// This allows us to cancel the timer when we get a response to the disco request.
+	
+	GCDTimerWrapper *timerWrapper = [[GCDTimerWrapper alloc] initWithDispatchTimer:timer];
+	
+	discoTimerJidDict[jid] = timerWrapper;
+}
+
+- (void)setupTimeoutForDiscoRequestFromJID:(XMPPJID *)jid withHashKey:(NSString *)key
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// If the timeout occurs, we want to send a request to the next jid with the same capabilities hash.
+	// This list of jids is stored in the discoRequestHashDict.
+	// The key will allow us to fetch the jid list.
+		
+	dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+	
+	dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+		
+		[self processTimeoutWithHashKey:key];
+		
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+	}});
+	
+	dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (CAPABILITIES_REQUEST_TIMEOUT * NSEC_PER_SEC));
+	
+	dispatch_source_set_timer(timer, tt, DISPATCH_TIME_FOREVER, 0);
+	dispatch_resume(timer);
+	
+	// We also keep a reference to the timer in the discoTimerJidDict.
+	// This allows us to cancel the timer when we get a response to the disco request.
+	
+	GCDTimerWrapper *timerWrapper = [[GCDTimerWrapper alloc] initWithDispatchTimer:timer];
+	
+	discoTimerJidDict[jid] = timerWrapper;
+}
+
+- (void)cancelTimeoutForDiscoRequestFromJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	GCDTimerWrapper *timerWrapper = discoTimerJidDict[jid];
+	if (timerWrapper)
+	{
+		[timerWrapper cancel];
+		[discoTimerJidDict removeObjectForKey:jid];
+	}
+}
+
+- (void)processTimeoutWithHashKey:(NSString *)key
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	[self maybeQueryNextJidWithHashKey:key dueToHashMismatch:NO];
+}
+
+- (void)processTimeoutWithJID:(XMPPJID *)jid
+{
+	// This method must be invoked on the moduleQueue
+	NSAssert(dispatch_get_specific(moduleQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// We queried the jid for its capabilities, but it didn't answer us.
+	// Nothing left to do now but wait.
+	// 
+	// If it happens to eventually respond,
+	// then we'll still be able to process the capabilities properly.
+	// 
+	// But at this point we're going to consider the query to be done.
+	// This prevents our discoRequestJidSet from growing infinitely,
+	// and also opens up the possibility of sending it another query in the future.
+	
+	[discoRequestJidSet removeObject:jid];
+	[xmppCapabilitiesStorage setCapabilitiesFetchFailedForJID:jid xmppStream:xmppStream];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation GCDTimerWrapper
+
+- (id)initWithDispatchTimer:(dispatch_source_t)aTimer
+{
+	if ((self = [super init]))
+	{
+		timer = aTimer;
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_retain(timer);
+		#endif
+	}
+	return self;
+}
+
+- (void)cancel
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+- (void)dealloc
+{
+	[self cancel];
+}
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/.xccurrentversion b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/.xccurrentversion
new file mode 100644
index 0000000..bea16b4
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/.xccurrentversion
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>_XCCurrentVersionName</key>
+	<string>XMPPMessageArchiving.xcdatamodel</string>
+</dict>
+</plist>
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/XMPPMessageArchiving.xcdatamodel/contents b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/XMPPMessageArchiving.xcdatamodel/contents
new file mode 100644
index 0000000..c8636b6
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving.xcdatamodeld/XMPPMessageArchiving.xcdatamodel/contents
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<model name="" userDefinedModelVersionIdentifier="" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="1170" systemVersion="11D50b" minimumToolsVersion="Automatic" macOSVersion="Automatic" iOSVersion="Automatic">
+    <entity name="XMPPMessageArchiving_Contact_CoreDataObject" representedClassName="XMPPMessageArchiving_Contact_CoreDataObject" syncable="YES">
+        <attribute name="bareJid" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="bareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="mostRecentMessageBody" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="mostRecentMessageOutgoing" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
+        <attribute name="mostRecentMessageTimestamp" optional="YES" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="streamBareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+    </entity>
+    <entity name="XMPPMessageArchiving_Message_CoreDataObject" representedClassName="XMPPMessageArchiving_Message_CoreDataObject" syncable="YES">
+        <attribute name="bareJid" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="bareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="body" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="composing" attributeType="Boolean" defaultValueString="NO" indexed="YES" syncable="YES"/>
+        <attribute name="message" optional="YES" transient="YES" syncable="YES"/>
+        <attribute name="messageStr" attributeType="String" syncable="YES"/>
+        <attribute name="outgoing" attributeType="Boolean" defaultValueString="NO" indexed="YES" syncable="YES"/>
+        <attribute name="streamBareJidStr" attributeType="String" indexed="YES" syncable="YES"/>
+        <attribute name="thread" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="timestamp" attributeType="Date" indexed="YES" syncable="YES"/>
+    </entity>
+    <elements>
+        <element name="XMPPMessageArchiving_Contact_CoreDataObject" positionX="160" positionY="192" width="128" height="135"/>
+        <element name="XMPPMessageArchiving_Message_CoreDataObject" positionX="160" positionY="192" width="128" height="195"/>
+    </elements>
+</model>
\ No newline at end of file
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.h b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.h
new file mode 100644
index 0000000..52f6e74
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.h
@@ -0,0 +1,68 @@
+#import <Foundation/Foundation.h>
+
+#import "XMPPCoreDataStorage.h"
+#import "XMPPMessageArchiving.h"
+#import "XMPPMessageArchiving_Message_CoreDataObject.h"
+#import "XMPPMessageArchiving_Contact_CoreDataObject.h"
+
+
+@interface XMPPMessageArchivingCoreDataStorage : XMPPCoreDataStorage <XMPPMessageArchivingStorage>
+{
+	/* Inherited protected variables from XMPPCoreDataStorage
+	
+	NSString *databaseFileName;
+	NSUInteger saveThreshold;
+	
+	dispatch_queue_t storageQueue;
+	 
+	*/
+}
+
+/**
+ * Convenience method to get an instance with the default database name.
+ * 
+ * IMPORTANT:
+ * You are NOT required to use the sharedInstance.
+ * 
+ * If your application uses multiple xmppStreams, and you use a sharedInstance of this class,
+ * then all of your streams share the same database store. You might get better performance if you create
+ * multiple instances of this class instead (using different database filenames), as this way you can have
+ * concurrent writes to multiple databases.
+**/
++ (instancetype)sharedInstance;
+
+
+@property (strong) NSString *messageEntityName;
+@property (strong) NSString *contactEntityName;
+
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc;
+- (NSEntityDescription *)contactEntity:(NSManagedObjectContext *)moc;
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactForMessage:(XMPPMessageArchiving_Message_CoreDataObject *)msg;
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactWithJid:(XMPPJID *)contactJid
+                                                      streamJid:(XMPPJID *)streamJid
+                                           managedObjectContext:(NSManagedObjectContext *)moc;
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactWithBareJidStr:(NSString *)contactBareJidStr
+                                                      streamBareJidStr:(NSString *)streamBareJidStr
+                                                  managedObjectContext:(NSManagedObjectContext *)moc;
+
+/* Inherited from XMPPCoreDataStorage
+ * Please see the XMPPCoreDataStorage header file for extensive documentation.
+ 
+- (id)initWithDatabaseFilename:(NSString *)databaseFileName storeOptions:(NSDictionary *)storeOptions;
+- (id)initWithInMemoryStore;
+
+@property (readonly) NSString *databaseFileName;
+ 
+@property (readwrite) NSUInteger saveThreshold;
+
+@property (readonly) NSManagedObjectModel *managedObjectModel;
+@property (readonly) NSPersistentStoreCoordinator *persistentStoreCoordinator;
+
+@property (readonly) NSManagedObjectContext *mainThreadManagedObjectContext;
+ 
+*/
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.m b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.m
new file mode 100644
index 0000000..fa5c36e
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchivingCoreDataStorage.m
@@ -0,0 +1,488 @@
+#import "XMPPMessageArchivingCoreDataStorage.h"
+#import "XMPPCoreDataStorageProtected.h"
+#import "XMPPLogging.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPMessage+XEP_0085.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // VERBOSE; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPMessageArchivingCoreDataStorage ()
+{
+	NSString *messageEntityName;
+	NSString *contactEntityName;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPMessageArchivingCoreDataStorage
+
+static XMPPMessageArchivingCoreDataStorage *sharedInstance;
+
++ (instancetype)sharedInstance
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		sharedInstance = [[XMPPMessageArchivingCoreDataStorage alloc] initWithDatabaseFilename:nil storeOptions:nil];
+	});
+	
+	return sharedInstance;
+}
+
+/**
+ * Documentation from the superclass (XMPPCoreDataStorage):
+ * 
+ * If your subclass needs to do anything for init, it can do so easily by overriding this method.
+ * All public init methods will invoke this method at the end of their implementation.
+ * 
+ * Important: If overriden you must invoke [super commonInit] at some point.
+**/
+- (void)commonInit
+{
+	[super commonInit];
+	
+	messageEntityName = @"XMPPMessageArchiving_Message_CoreDataObject";
+	contactEntityName = @"XMPPMessageArchiving_Contact_CoreDataObject";
+}
+
+/**
+ * Documentation from the superclass (XMPPCoreDataStorage):
+ * 
+ * Override me, if needed, to provide customized behavior.
+ * For example, you may want to perform cleanup of any non-persistent data before you start using the database.
+ * 
+ * The default implementation does nothing.
+**/
+- (void)didCreateManagedObjectContext
+{
+	// If there are any "composing" messages in the database, delete them (as they are temporary).
+	
+	NSManagedObjectContext *moc = [self managedObjectContext];
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"composing == YES"];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	fetchRequest.entity = messageEntity;
+	fetchRequest.predicate = predicate;
+	fetchRequest.fetchBatchSize = saveThreshold;
+	
+	NSError *error = nil;
+	NSArray *messages = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (messages == nil)
+	{
+		XMPPLogError(@"%@: %@ - Error executing fetchRequest: %@", [self class], THIS_METHOD, error);
+		return;
+	}
+	
+	NSUInteger count = 0;
+	
+	for (XMPPMessageArchiving_Message_CoreDataObject *message in messages)
+	{
+		[moc deleteObject:message];
+		
+		if (++count > saveThreshold)
+		{
+			if (![moc save:&error])
+			{
+				XMPPLogWarn(@"%@: Error saving - %@ %@", [self class], error, [error userInfo]);
+				[moc rollback];
+			}
+		}
+	}
+	
+	if (count > 0)
+	{
+		if (![moc save:&error])
+		{
+			XMPPLogWarn(@"%@: Error saving - %@ %@", [self class], error, [error userInfo]);
+			[moc rollback];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Internal API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)willInsertMessage:(XMPPMessageArchiving_Message_CoreDataObject *)message
+{
+	// Override hook
+}
+
+- (void)didUpdateMessage:(XMPPMessageArchiving_Message_CoreDataObject *)message
+{
+	// Override hook
+}
+
+- (void)willDeleteMessage:(XMPPMessageArchiving_Message_CoreDataObject *)message
+{
+	// Override hook
+}
+
+- (void)willInsertContact:(XMPPMessageArchiving_Contact_CoreDataObject *)contact
+{
+	// Override hook
+}
+
+- (void)didUpdateContact:(XMPPMessageArchiving_Contact_CoreDataObject *)contact
+{
+	// Override hook
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPMessageArchiving_Message_CoreDataObject *)composingMessageWithJid:(XMPPJID *)messageJid
+                                                               streamJid:(XMPPJID *)streamJid
+                                                                outgoing:(BOOL)isOutgoing
+                                                    managedObjectContext:(NSManagedObjectContext *)moc
+{
+	XMPPMessageArchiving_Message_CoreDataObject *result = nil;
+	
+	NSEntityDescription *messageEntity = [self messageEntity:moc];
+	
+	// Order matters:
+	// 1. composing - most likely not many with it set to YES in database
+	// 2. bareJidStr - splits database by number of conversations
+	// 3. outgoing - splits database in half
+	// 4. streamBareJidStr - might not limit database at all
+	
+	NSString *predicateFrmt = @"composing == YES AND bareJidStr == %@ AND outgoing == %@ AND streamBareJidStr == %@";
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:predicateFrmt,
+                                                            [messageJid bare], @(isOutgoing),
+                                                            [streamJid bare]];
+	
+	NSSortDescriptor *sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"timestamp" ascending:NO];
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	fetchRequest.entity = messageEntity;
+	fetchRequest.predicate = predicate;
+	fetchRequest.sortDescriptors = @[sortDescriptor];
+	fetchRequest.fetchLimit = 1;
+	
+	NSError *error = nil;
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (results == nil || error)
+	{
+		XMPPLogError(@"%@: %@ - Error executing fetchRequest: %@", THIS_FILE, THIS_METHOD, fetchRequest);
+	}
+	else
+	{
+		result = (XMPPMessageArchiving_Message_CoreDataObject *)[results lastObject];
+	}
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactForMessage:(XMPPMessageArchiving_Message_CoreDataObject *)msg
+{
+	// Potential override hook
+	
+	return [self contactWithBareJidStr:msg.bareJidStr
+	                  streamBareJidStr:msg.streamBareJidStr
+	              managedObjectContext:msg.managedObjectContext];
+}
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactWithJid:(XMPPJID *)contactJid
+                                                      streamJid:(XMPPJID *)streamJid
+                                           managedObjectContext:(NSManagedObjectContext *)moc
+{
+	return [self contactWithBareJidStr:[contactJid bare]
+	                  streamBareJidStr:[streamJid bare]
+	              managedObjectContext:moc];
+}
+
+- (XMPPMessageArchiving_Contact_CoreDataObject *)contactWithBareJidStr:(NSString *)contactBareJidStr
+                                                      streamBareJidStr:(NSString *)streamBareJidStr
+                                                  managedObjectContext:(NSManagedObjectContext *)moc
+{
+	NSEntityDescription *entity = [self contactEntity:moc];
+	
+	NSPredicate *predicate;
+	if (streamBareJidStr)
+	{
+		predicate = [NSPredicate predicateWithFormat:@"bareJidStr == %@ AND streamBareJidStr == %@",
+	                                                              contactBareJidStr, streamBareJidStr];
+	}
+	else
+	{
+		predicate = [NSPredicate predicateWithFormat:@"bareJidStr == %@", contactBareJidStr];
+	}
+	
+	NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
+	[fetchRequest setEntity:entity];
+	[fetchRequest setFetchLimit:1];
+	[fetchRequest setPredicate:predicate];
+	
+	NSError *error = nil;
+	NSArray *results = [moc executeFetchRequest:fetchRequest error:&error];
+	
+	if (results == nil)
+	{
+		XMPPLogError(@"%@: %@ - Fetch request error: %@", THIS_FILE, THIS_METHOD, error);
+		return nil;
+	}
+	else
+	{
+		return (XMPPMessageArchiving_Contact_CoreDataObject *)[results lastObject];
+	}
+}
+
+- (NSString *)messageEntityName
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = messageEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setMessageEntityName:(NSString *)entityName
+{
+	dispatch_block_t block = ^{
+		messageEntityName = entityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSString *)contactEntityName
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = contactEntityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_sync(storageQueue, block);
+	
+	return result;
+}
+
+- (void)setContactEntityName:(NSString *)entityName
+{
+	dispatch_block_t block = ^{
+		contactEntityName = entityName;
+	};
+	
+	if (dispatch_get_specific(storageQueueTag))
+		block();
+	else
+		dispatch_async(storageQueue, block);
+}
+
+- (NSEntityDescription *)messageEntity:(NSManagedObjectContext *)moc
+{
+	// This is a public method, and may be invoked on any queue.
+	// So be sure to go through the public accessor for the entity name.
+	
+	return [NSEntityDescription entityForName:[self messageEntityName] inManagedObjectContext:moc];
+}
+
+- (NSEntityDescription *)contactEntity:(NSManagedObjectContext *)moc
+{
+	// This is a public method, and may be invoked on any queue.
+	// So be sure to go through the public accessor for the entity name.
+	
+	return [NSEntityDescription entityForName:[self contactEntityName] inManagedObjectContext:moc];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Storage Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)configureWithParent:(XMPPMessageArchiving *)aParent queue:(dispatch_queue_t)queue
+{
+	return [super configureWithParent:aParent queue:queue];
+}
+
+- (void)archiveMessage:(XMPPMessage *)message outgoing:(BOOL)isOutgoing xmppStream:(XMPPStream *)xmppStream
+{
+	// Message should either have a body, or be a composing notification
+	
+	NSString *messageBody = [[message elementForName:@"body"] stringValue];
+	BOOL isComposing = NO;
+	BOOL shouldDeleteComposingMessage = NO;
+	
+	if ([messageBody length] == 0)
+	{
+		// Message doesn't have a body.
+		// Check to see if it has a chat state (composing, paused, etc).
+		
+		isComposing = [message hasComposingChatState];
+		if (!isComposing)
+		{
+			if ([message hasChatState])
+			{
+				// Message has non-composing chat state.
+				// So if there is a current composing message in the database,
+				// then we need to delete it.
+				shouldDeleteComposingMessage = YES;
+			}
+			else
+			{
+				// Message has no body and no chat state.
+				// Nothing to do with it.
+				return;
+			}
+		}
+	}
+	
+	[self scheduleBlock:^{
+		
+		NSManagedObjectContext *moc = [self managedObjectContext];
+		XMPPJID *myJid = [self myJIDForXMPPStream:xmppStream];
+		
+		XMPPJID *messageJid = isOutgoing ? [message to] : [message from];
+		
+		// Fetch-n-Update OR Insert new message
+		
+		XMPPMessageArchiving_Message_CoreDataObject *archivedMessage =
+		    [self composingMessageWithJid:messageJid
+		                        streamJid:myJid
+		                         outgoing:isOutgoing
+		             managedObjectContext:moc];
+		
+		if (shouldDeleteComposingMessage)
+		{
+			if (archivedMessage)
+			{
+				[self willDeleteMessage:archivedMessage]; // Override hook
+				[moc deleteObject:archivedMessage];
+			}
+			else
+			{
+				// Composing message has already been deleted (or never existed)
+			}
+		}
+		else
+		{
+			XMPPLogVerbose(@"Previous archivedMessage: %@", archivedMessage);
+			
+			BOOL didCreateNewArchivedMessage = NO;
+			if (archivedMessage == nil)
+			{
+				archivedMessage = (XMPPMessageArchiving_Message_CoreDataObject *)
+					[[NSManagedObject alloc] initWithEntity:[self messageEntity:moc]
+				             insertIntoManagedObjectContext:nil];
+				
+				didCreateNewArchivedMessage = YES;
+			}
+			
+			archivedMessage.message = message;
+			archivedMessage.body = messageBody;
+			
+			archivedMessage.bareJid = [messageJid bareJID];
+			archivedMessage.streamBareJidStr = [myJid bare];
+			
+			NSDate *timestamp = [message delayedDeliveryDate];
+			if (timestamp)
+				archivedMessage.timestamp = timestamp;
+			else
+				archivedMessage.timestamp = [[NSDate alloc] init];
+			
+			archivedMessage.thread = [[message elementForName:@"thread"] stringValue];
+			archivedMessage.isOutgoing = isOutgoing;
+			archivedMessage.isComposing = isComposing;
+			
+			XMPPLogVerbose(@"New archivedMessage: %@", archivedMessage);
+														 
+			if (didCreateNewArchivedMessage) // [archivedMessage isInserted] doesn't seem to work
+			{
+				XMPPLogVerbose(@"Inserting message...");
+				
+				[archivedMessage willInsertObject];       // Override hook
+				[self willInsertMessage:archivedMessage]; // Override hook
+				[moc insertObject:archivedMessage];
+			}
+			else
+			{
+				XMPPLogVerbose(@"Updating message...");
+				
+				[archivedMessage didUpdateObject];       // Override hook
+				[self didUpdateMessage:archivedMessage]; // Override hook
+			}
+			
+			// Create or update contact (if message with actual content)
+			
+			if ([messageBody length] > 0)
+			{
+				BOOL didCreateNewContact = NO;
+				
+				XMPPMessageArchiving_Contact_CoreDataObject *contact = [self contactForMessage:archivedMessage];
+				XMPPLogVerbose(@"Previous contact: %@", contact);
+				
+				if (contact == nil)
+				{
+					contact = (XMPPMessageArchiving_Contact_CoreDataObject *)
+					    [[NSManagedObject alloc] initWithEntity:[self contactEntity:moc]
+					             insertIntoManagedObjectContext:nil];
+					
+					didCreateNewContact = YES;
+				}
+				
+				contact.streamBareJidStr = archivedMessage.streamBareJidStr;
+				contact.bareJid = archivedMessage.bareJid;
+					
+				contact.mostRecentMessageTimestamp = archivedMessage.timestamp;
+				contact.mostRecentMessageBody = archivedMessage.body;
+				contact.mostRecentMessageOutgoing = @(isOutgoing);
+				
+				XMPPLogVerbose(@"New contact: %@", contact);
+				
+				if (didCreateNewContact) // [contact isInserted] doesn't seem to work
+				{
+					XMPPLogVerbose(@"Inserting contact...");
+					
+					[contact willInsertObject];       // Override hook
+					[self willInsertContact:contact]; // Override hook
+					[moc insertObject:contact];
+				}
+				else
+				{
+					XMPPLogVerbose(@"Updating contact...");
+					
+					[contact didUpdateObject];       // Override hook
+					[self didUpdateContact:contact]; // Override hook
+				}
+			}
+		}
+	}];
+}
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.h b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.h
new file mode 100644
index 0000000..a62ccb3
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.h
@@ -0,0 +1,36 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+#import "XMPP.h"
+
+
+@interface XMPPMessageArchiving_Contact_CoreDataObject : NSManagedObject
+
+@property (nonatomic, strong) XMPPJID * bareJid;      // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * bareJidStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) NSDate * mostRecentMessageTimestamp;
+@property (nonatomic, strong) NSString * mostRecentMessageBody;
+@property (nonatomic, strong) NSNumber * mostRecentMessageOutgoing;
+
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+/**
+ * This method is called immediately before the object is inserted into the managedObjectContext.
+ * At this point, all normal properties have been set.
+ * 
+ * If you extend XMPPMessageArchiving_Contact_CoreDataObject,
+ * you can use this method as a hook to set your custom properties.
+**/
+- (void)willInsertObject;
+
+/**
+ * This method is called after any properties on the object have been updated,
+ * due to a message being added to the conversation.
+ * At this point, any changed properties have been updated.
+ * 
+ * If you extend XMPPMessageArchiving_Contact_CoreDataObject,
+ * you can use this method as a hook to update your custom properties.
+**/
+- (void)didUpdateObject;
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.m b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.m
new file mode 100644
index 0000000..46ed37c
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Contact_CoreDataObject.m
@@ -0,0 +1,94 @@
+#import "XMPPMessageArchiving_Contact_CoreDataObject.h"
+
+
+@interface XMPPMessageArchiving_Contact_CoreDataObject ()
+
+@property (nonatomic, strong) XMPPJID * primitiveBareJid;
+@property (nonatomic, strong) NSString * primitiveBareJidStr;
+
+@end
+
+
+@implementation XMPPMessageArchiving_Contact_CoreDataObject
+
+@dynamic bareJid, primitiveBareJid;
+@dynamic bareJidStr, primitiveBareJidStr;
+@dynamic mostRecentMessageTimestamp;
+@dynamic mostRecentMessageBody;
+@dynamic mostRecentMessageOutgoing;
+@dynamic streamBareJidStr;
+
+#pragma mark Transient bareJid
+
+- (XMPPJID *)bareJid
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"bareJid"];
+	XMPPJID *tmp = self.primitiveBareJid;
+	[self didAccessValueForKey:@"bareJid"];
+	
+	if (tmp == nil)
+	{
+		NSString *bareJidStr = self.bareJidStr;
+		if (bareJidStr)
+		{
+			tmp = [XMPPJID jidWithString:bareJidStr];
+			self.primitiveBareJid = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setBareJid:(XMPPJID *)bareJid
+{
+	if ([self.bareJid isEqualToJID:bareJid options:XMPPJIDCompareBare])
+	{
+		return; // No change
+	}
+	
+	[self willChangeValueForKey:@"bareJid"];
+	[self willChangeValueForKey:@"bareJidStr"];
+	
+	self.primitiveBareJid = [bareJid bareJID];
+	self.primitiveBareJidStr = [bareJid bare];
+	
+	[self didChangeValueForKey:@"bareJid"];
+	[self didChangeValueForKey:@"bareJidStr"];
+}
+
+- (void)setBareJidStr:(NSString *)bareJidStr
+{
+	if ([self.bareJidStr isEqualToString:bareJidStr])
+	{
+		return; // No change
+	}
+	
+	[self willChangeValueForKey:@"bareJid"];
+	[self willChangeValueForKey:@"bareJidStr"];
+	
+	XMPPJID *bareJid = [[XMPPJID jidWithString:bareJidStr] bareJID];
+	
+	self.primitiveBareJid = bareJid;
+	self.primitiveBareJidStr = [bareJid bare];
+	
+	[self didChangeValueForKey:@"bareJid"];
+	[self didChangeValueForKey:@"bareJidStr"];
+}
+
+#pragma mark Hooks
+
+- (void)willInsertObject
+{
+	// If you extend XMPPMessageArchiving_Contact_CoreDataObject,
+	// you can override this method to use as a hook to set your own custom properties.
+}
+
+- (void)didUpdateObject
+{
+	// If you extend XMPPMessageArchiving_Contact_CoreDataObject,
+	// you can override this method to use as a hook to update your own custom properties.
+}
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.h b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.h
new file mode 100644
index 0000000..e9d63ab
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.h
@@ -0,0 +1,52 @@
+#import <Foundation/Foundation.h>
+#import <CoreData/CoreData.h>
+#import "XMPP.h"
+
+
+@interface XMPPMessageArchiving_Message_CoreDataObject : NSManagedObject
+
+@property (nonatomic, strong) XMPPMessage * message;  // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * messageStr;  // Shadow (binary data, written to disk)
+
+/**
+ * This is the bare jid of the person you're having the conversation with.
+ * For example: robbiehanson@deusty.com
+ * 
+ * Regardless of whether the message was incoming or outgoing,
+ * this will represent the "other" participant in the conversation.
+**/
+@property (nonatomic, strong) XMPPJID * bareJid;      // Transient (proper type, not on disk)
+@property (nonatomic, strong) NSString * bareJidStr;  // Shadow (binary data, written to disk)
+
+@property (nonatomic, strong) NSString * body;
+@property (nonatomic, strong) NSString * thread;
+
+@property (nonatomic, strong) NSNumber * outgoing;    // Use isOutgoing
+@property (nonatomic, assign) BOOL isOutgoing;        // Convenience property
+
+@property (nonatomic, strong) NSNumber * composing;   // Use isComposing
+@property (nonatomic, assign) BOOL isComposing;       // Convenience property
+
+@property (nonatomic, strong) NSDate * timestamp;
+
+@property (nonatomic, strong) NSString * streamBareJidStr;
+
+/**
+ * This method is called immediately before the object is inserted into the managedObjectContext.
+ * At this point, all normal properties have been set.
+ * 
+ * If you extend XMPPMessageArchiving_Message_CoreDataObject,
+ * you can use this method as a hook to set your custom properties.
+**/
+- (void)willInsertObject;
+
+/**
+ * This method is called immediately after the message has been changed.
+ * At this point, all normal properties have been updated.
+ * 
+ * If you extend XMPPMessageArchiving_Message_CoreDataObject,
+ * you can use this method as a hook to set your custom properties.
+**/
+- (void)didUpdateObject;
+
+@end
diff --git a/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.m b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.m
new file mode 100644
index 0000000..60de9c3
--- /dev/null
+++ b/Extensions/XEP-0136/CoreDataStorage/XMPPMessageArchiving_Message_CoreDataObject.m
@@ -0,0 +1,171 @@
+#import "XMPPMessageArchiving_Message_CoreDataObject.h"
+
+
+@interface XMPPMessageArchiving_Message_CoreDataObject ()
+
+@property(nonatomic,strong) XMPPMessage * primitiveMessage;
+@property(nonatomic,strong) NSString * primitiveMessageStr;
+
+@property(nonatomic,strong) XMPPJID * primitiveBareJid;
+@property(nonatomic,strong) NSString * primitiveBareJidStr;
+
+@end
+
+@implementation XMPPMessageArchiving_Message_CoreDataObject
+
+@dynamic message, primitiveMessage;
+@dynamic messageStr, primitiveMessageStr;
+@dynamic bareJid, primitiveBareJid;
+@dynamic bareJidStr, primitiveBareJidStr;
+@dynamic body;
+@dynamic thread;
+@dynamic outgoing;
+@dynamic composing;
+@dynamic timestamp;
+@dynamic streamBareJidStr;
+
+#pragma mark Transient message
+
+- (XMPPMessage *)message
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"message"];
+	XMPPMessage *message = self.primitiveMessage;
+	[self didAccessValueForKey:@"message"];
+	
+	if (message == nil)
+	{
+		NSString *messageStr = self.messageStr;
+		if (messageStr)
+		{
+			NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:messageStr error:nil];
+			message = [XMPPMessage messageFromElement:element];
+			self.primitiveMessage = message;
+		}
+    }
+	
+    return message;
+}
+
+- (void)setMessage:(XMPPMessage *)message
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	
+	self.primitiveMessage = message;
+	self.primitiveMessageStr = [message compactXMLString];
+	
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+- (void)setMessageStr:(NSString *)messageStr
+{
+	[self willChangeValueForKey:@"message"];
+	[self willChangeValueForKey:@"messageStr"];
+	
+	NSXMLElement *element = [[NSXMLElement alloc] initWithXMLString:messageStr error:nil];
+	self.primitiveMessage = [XMPPMessage messageFromElement:element];
+	self.primitiveMessageStr = messageStr;
+	
+	[self didChangeValueForKey:@"message"];
+	[self didChangeValueForKey:@"messageStr"];
+}
+
+#pragma mark Transient bareJid
+
+- (XMPPJID *)bareJid
+{
+	// Create and cache on demand
+	
+	[self willAccessValueForKey:@"bareJid"];
+	XMPPJID *tmp = self.primitiveBareJid;
+	[self didAccessValueForKey:@"bareJid"];
+	
+	if (tmp == nil)
+	{
+		NSString *bareJidStr = self.bareJidStr;
+		if (bareJidStr)
+		{
+			tmp = [XMPPJID jidWithString:bareJidStr];
+			self.primitiveBareJid = tmp;
+		}
+	}
+	
+	return tmp;
+}
+
+- (void)setBareJid:(XMPPJID *)bareJid
+{
+	if ([self.bareJid isEqualToJID:bareJid options:XMPPJIDCompareBare])
+	{
+		return; // No change
+	}
+	
+	[self willChangeValueForKey:@"bareJid"];
+	[self willChangeValueForKey:@"bareJidStr"];
+	
+	self.primitiveBareJid = [bareJid bareJID];
+	self.primitiveBareJidStr = [bareJid bare];
+	
+	[self didChangeValueForKey:@"bareJid"];
+	[self didChangeValueForKey:@"bareJidStr"];
+}
+
+- (void)setBareJidStr:(NSString *)bareJidStr
+{
+	if ([self.bareJidStr isEqualToString:bareJidStr])
+	{
+		return; // No change
+	}
+	
+	[self willChangeValueForKey:@"bareJid"];
+	[self willChangeValueForKey:@"bareJidStr"];
+	
+	XMPPJID *bareJid = [[XMPPJID jidWithString:bareJidStr] bareJID];
+	
+	self.primitiveBareJid = bareJid;
+	self.primitiveBareJidStr = [bareJid bare];
+	
+	[self didChangeValueForKey:@"bareJid"];
+	[self didChangeValueForKey:@"bareJidStr"];
+}
+
+#pragma mark Convenience properties
+
+- (BOOL)isOutgoing
+{
+	return [self.outgoing boolValue];
+}
+
+- (void)setIsOutgoing:(BOOL)flag
+{
+	self.outgoing = @(flag);
+}
+
+- (BOOL)isComposing
+{
+	return [self.composing boolValue];
+}
+
+- (void)setIsComposing:(BOOL)flag
+{
+	self.composing = @(flag);
+}
+
+#pragma mark Hooks
+
+- (void)willInsertObject
+{
+	// If you extend XMPPMessageArchiving_Message_CoreDataObject,
+	// you can override this method to use as a hook to set your own custom properties.
+}
+
+- (void)didUpdateObject
+{
+	// If you extend XMPPMessageArchiving_Message_CoreDataObject,
+	// you can override this method to use as a hook to set your own custom properties.
+}
+
+@end
diff --git a/Extensions/XEP-0136/XMPPMessageArchiving.h b/Extensions/XEP-0136/XMPPMessageArchiving.h
new file mode 100644
index 0000000..716bc58
--- /dev/null
+++ b/Extensions/XEP-0136/XMPPMessageArchiving.h
@@ -0,0 +1,117 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_MESSAGE_ARCHIVING_H
+
+@protocol XMPPMessageArchivingStorage;
+
+/**
+ * This class provides support for storing message history.
+ * The functionality is formalized in XEP-0136.
+**/
+@interface XMPPMessageArchiving : XMPPModule
+{
+  @protected
+	
+	__strong id <XMPPMessageArchivingStorage> xmppMessageArchivingStorage;
+	
+  @private
+	
+	BOOL clientSideMessageArchivingOnly;
+	NSXMLElement *preferences;
+}
+
+- (id)initWithMessageArchivingStorage:(id <XMPPMessageArchivingStorage>)storage;
+- (id)initWithMessageArchivingStorage:(id <XMPPMessageArchivingStorage>)storage dispatchQueue:(dispatch_queue_t)queue;
+
+@property (readonly, strong) id <XMPPMessageArchivingStorage> xmppMessageArchivingStorage;
+
+/**
+ * XEP-0136 Message Archiving outlines a complex protocol for:
+ * 
+ *  - archiving messages on the xmpp server
+ *  - allowing the client to sync it's client-side cache with the server side archive
+ *  - allowing the client to configure archiving preferences (default, per contact, etc)
+ * 
+ * There are times when this complication isn't necessary or possible.
+ * E.g. the server doesn't support the message archiving protocol.
+ * 
+ * In this case you can simply set clientSideMessageArchivingOnly to YES,
+ * and this instance won't bother with any of the server protocol stuff.
+ * It will simply arhive outgoing and incoming messages.
+ * 
+ * Note: Even when clientSideMessageArchivingOnly is YES,
+ *       you can still take advantage of the preference methods to configure various options,
+ *       such as how long to store messages, prefs for individual contacts, etc.
+**/
+@property (readwrite, assign) BOOL clientSideMessageArchivingOnly;
+
+/**
+ * 
+**/
+@property (readwrite, copy) NSXMLElement *preferences;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPMessageArchivingStorage <NSObject>
+@required
+
+// 
+// 
+// -- PUBLIC METHODS --
+// 
+// There are no public methods required by this protocol.
+// 
+// Each individual roster storage class will provide a proper way to access/enumerate the
+// users/resources according to the underlying storage mechanism.
+// 
+
+
+// 
+// 
+// -- PRIVATE METHODS --
+// 
+// These methods are designed to be used ONLY by the XMPPMessageArchiving class.
+// 
+// 
+
+/**
+ * Configures the storage class, passing its parent and parent's dispatch queue.
+ * 
+ * This method is called by the init method of the XMPPMessageArchiving class.
+ * This method is designed to inform the storage class of its parent
+ * and of the dispatch queue the parent will be operating on.
+ * 
+ * The storage class may choose to operate on the same queue as its parent,
+ * or it may operate on its own internal dispatch queue.
+ * 
+ * This method should return YES if it was configured properly.
+ * If a storage class is designed to be used with a single parent at a time, this method may return NO.
+ * The XMPPMessageArchiving class is configured to ignore the passed
+ * storage class in its init method if this method returns NO.
+**/
+- (BOOL)configureWithParent:(XMPPMessageArchiving *)aParent queue:(dispatch_queue_t)queue;
+
+/**
+ * 
+**/
+- (void)archiveMessage:(XMPPMessage *)message outgoing:(BOOL)isOutgoing xmppStream:(XMPPStream *)stream;
+
+@optional
+
+/**
+ * The storage class may optionally persistently store the client preferences.
+**/
+- (void)setPreferences:(NSXMLElement *)prefs forUser:(XMPPJID *)bareUserJid;
+
+/**
+ * The storage class may optionally persistently store the client preferences.
+ * This method is then used to fetch previously known preferences when the client first connects to the xmpp server.
+**/
+- (NSXMLElement *)preferencesForUser:(XMPPJID *)bareUserJid;
+
+@end
diff --git a/Extensions/XEP-0136/XMPPMessageArchiving.m b/Extensions/XEP-0136/XMPPMessageArchiving.m
new file mode 100644
index 0000000..57e8ce0
--- /dev/null
+++ b/Extensions/XEP-0136/XMPPMessageArchiving.m
@@ -0,0 +1,431 @@
+#import "XMPPMessageArchiving.h"
+#import "XMPPFramework.h"
+#import "XMPPLogging.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define XMLNS_XMPP_ARCHIVE @"urn:xmpp:archive"
+
+
+@implementation XMPPMessageArchiving
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPMessageArchiving.h are supported.
+	
+	return [self initWithMessageArchivingStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPMessageArchiving.h are supported.
+	
+	return [self initWithMessageArchivingStorage:nil dispatchQueue:queue];
+}
+
+- (id)initWithMessageArchivingStorage:(id <XMPPMessageArchivingStorage>)storage
+{
+	return [self initWithMessageArchivingStorage:storage dispatchQueue:NULL];
+}
+
+- (id)initWithMessageArchivingStorage:(id <XMPPMessageArchivingStorage>)storage dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(storage != nil);
+	
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([storage configureWithParent:self queue:moduleQueue])
+		{
+			xmppMessageArchivingStorage = storage;
+		}
+		else
+		{
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+		
+		NSXMLElement *_default = [NSXMLElement elementWithName:@"default"];
+		[_default addAttributeWithName:@"expire" stringValue:@"604800"];
+		[_default addAttributeWithName:@"save" stringValue:@"body"];
+		
+		NSXMLElement *pref = [NSXMLElement elementWithName:@"pref" xmlns:XMLNS_XMPP_ARCHIVE];
+		[pref addChild:_default];
+		
+		preferences = pref;
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	XMPPLogTrace();
+	
+	if ([super activate:aXmppStream])
+	{
+		XMPPLogVerbose(@"%@: Activated", THIS_FILE);
+		
+		// Reserved for future potential use
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+	
+	// Reserved for future potential use
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id <XMPPMessageArchivingStorage>)xmppMessageArchivingStorage
+{
+    // Note: The xmppMessageArchivingStorage variable is read-only (set in the init method)
+    
+    return xmppMessageArchivingStorage;
+}
+
+- (BOOL)clientSideMessageArchivingOnly
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = clientSideMessageArchivingOnly;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setClientSideMessageArchivingOnly:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		clientSideMessageArchivingOnly = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSXMLElement *)preferences
+{
+	__block NSXMLElement *result = nil;
+	
+	dispatch_block_t block = ^{
+		
+		result = [preferences copy];
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setPreferences:(NSXMLElement *)newPreferences
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Update cached value
+		
+		preferences = [newPreferences copy];
+		
+		// Update storage
+		
+		if ([xmppMessageArchivingStorage respondsToSelector:@selector(setPreferences:forUser:)])
+		{
+			XMPPJID *myBareJid = [[xmppStream myJID] bareJID];
+			
+			[xmppMessageArchivingStorage setPreferences:preferences forUser:myBareJid];
+		}
+		
+		// Todo:
+		// 
+		//  - Send new pref to server (if changed)
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)shouldArchiveMessage:(XMPPMessage *)message outgoing:(BOOL)isOutgoing xmppStream:(XMPPStream *)xmppStream
+{
+	// XEP-0136 Section 2.9: Preferences precedence rules:
+	// 
+	// When determining archiving preferences for a given message, the following rules shall apply:
+	// 
+	// 1. 'save' value is taken from the <session> element that matches the conversation, if present,
+	//    else from the <item> element that matches the contact (see JID Matching), if present,
+	//    else from the default element.
+	// 
+	// 2. 'otr' and 'expire' value are taken from the <item> element that matches the contact, if present,
+	//    else from the default element.
+	
+	NSXMLElement *match = nil;
+	
+	NSString *messageThread = [[message elementForName:@"thread"] stringValue];
+	if (messageThread)
+	{
+		// First priority - matching session element
+		
+		for (NSXMLElement *session in [preferences elementsForName:@"session"])
+		{
+			NSString *sessionThread = [session attributeStringValueForName:@"thread"];
+			if ([messageThread isEqualToString:sessionThread])
+			{
+				match = session;
+				break;
+			}
+		}
+	}
+	
+	if (match == nil)
+	{
+		// Second priority - matching item element
+		//
+		// 
+		// XEP-0136 Section 10.1: JID Matching
+		// 
+		// The following rules apply:
+		// 
+		// 1. If the JID is of the form <localpart@domain.tld/resource>, only this particular JID matches.
+		// 2. If the JID is of the form <localpart@domain.tld>, any resource matches.
+		// 3. If the JID is of the form <domain.tld>, any node matches.
+		// 
+		// However, having these rules only would make impossible a match like "all collections having JID
+		// exactly equal to bare JID/domain JID". Therefore, when the 'exactmatch' attribute is set to "true" or
+		// "1" on the <list/>, <remove/> or <item/> element, a JID value such as "example.com" matches
+		// that exact JID only rather than <*@example.com>, <*@example.com/*>, or <example.com/*>, and
+		// a JID value such as "localpart@example.com" matches that exact JID only rather than
+		// <localpart@example.com/*>.
+		
+		XMPPJID *messageJid;
+		if (isOutgoing)
+			messageJid = [message to];
+		else
+			messageJid = [message from];
+		
+		NSXMLElement *match_full = nil;
+		NSXMLElement *match_bare = nil;
+		NSXMLElement *match_domain = nil;
+		
+		for (NSXMLElement *item in [preferences elementsForName:@"item"])
+		{
+			XMPPJID *itemJid = [XMPPJID jidWithString:[item attributeStringValueForName:@"jid"]];
+			
+			if (itemJid.resource)
+			{
+				BOOL match = [messageJid isEqualToJID:itemJid options:XMPPJIDCompareFull];
+				
+				if (match && (match_full == nil))
+				{
+					match_full = item;
+				}
+			}
+			else if (itemJid.user)
+			{
+				BOOL exactmatch = [item attributeBoolValueForName:@"exactmatch" withDefaultValue:NO];
+				BOOL match;
+				
+				if (exactmatch)
+					match = [messageJid isEqualToJID:itemJid options:XMPPJIDCompareFull];
+				else
+					match = [messageJid isEqualToJID:itemJid options:XMPPJIDCompareBare];
+				
+				if (match && (match_bare == nil))
+				{
+					match_bare = item;
+				}
+			}
+			else
+			{
+				BOOL exactmatch = [item attributeBoolValueForName:@"exactmatch" withDefaultValue:NO];
+				BOOL match;
+				
+				if (exactmatch)
+					match = [messageJid isEqualToJID:itemJid options:XMPPJIDCompareFull];
+				else
+					match = [messageJid isEqualToJID:itemJid options:XMPPJIDCompareDomain];
+				
+				if (match && (match_domain == nil))
+				{
+					match_domain = item;
+				}
+			}
+		}
+		
+		if (match_full)
+			match = match_full;
+		else if (match_bare)
+			match = match_bare;
+		else if (match_domain)
+			match = match_domain;
+	}
+	
+	if (match == nil)
+	{
+		// Third priority - default element
+		
+		match = [preferences elementForName:@"default"];
+	}
+	
+	if (match == nil)
+	{
+		XMPPLogWarn(@"%@: No message archive rule found for message! Discarding...", THIS_FILE);
+		return NO;
+	}
+	
+	// The 'save' attribute specifies the user's default setting for Save Mode.
+	// The allowable values are:
+	// 
+	// - body    : the saving entity SHOULD save only <body/> elements.
+	// - false   : the saving entity MUST save nothing.
+	// - message : the saving entity SHOULD save the full XML content of each <message/> element.
+	// - stream  : the saving entity SHOULD save every byte that passes over the stream in either direction.
+	// 
+	// Note: We currently only support body, and treat values of 'message' or 'stream' the same as 'body'.
+	
+	NSString *save = [[match attributeStringValueForName:@"save"] lowercaseString];
+	
+	if ([save isEqualToString:@"false"])
+		return NO;
+	else
+		return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	XMPPLogTrace();
+	
+	if (clientSideMessageArchivingOnly) return;
+	
+	// Fetch most recent preferences
+	
+	if ([xmppMessageArchivingStorage respondsToSelector:@selector(preferencesForUser:)])
+	{
+		XMPPJID *myBareJid = [[xmppStream myJID] bareJID];
+		
+		preferences = [xmppMessageArchivingStorage preferencesForUser:myBareJid];
+	}
+	
+	// Request archiving preferences from server
+	// 
+	// <iq type='get'>
+	//   <pref xmlns='urn:xmpp:archive'/>
+	// </iq>
+	
+	NSXMLElement *pref = [NSXMLElement elementWithName:@"pref" xmlns:XMLNS_XMPP_ARCHIVE];
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:nil elementID:nil child:pref];
+	
+	[sender sendElement:iq];
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"result"])
+	{
+		NSXMLElement *pref = [iq elementForName:@"pref" xmlns:XMLNS_XMPP_ARCHIVE];
+		if (pref)
+		{
+			[self setPreferences:pref];
+		}
+	}
+	else if ([type isEqualToString:@"set"])
+	{
+		// We receive the following type of IQ when we send a chat message within facebook from another device:
+		// 
+		// <iq from="chat.facebook.com" to="-121201407@chat.facebook.com/e49b026a_4BA226A73192D type="set">
+		//   <own-message xmlns="http://www.facebook.com/xmpp/messages" to="-123@chat.facebook.com" self="false">
+		//     <body>Hi Jilr</body>
+		//   </own-message>
+		// </iq>
+		
+		NSXMLElement *ownMessage = [iq elementForName:@"own-message" xmlns:@"http://www.facebook.com/xmpp/messages"];
+		if (ownMessage)
+		{
+			BOOL isSelf = [ownMessage attributeBoolValueForName:@"self" withDefaultValue:NO];
+			if (!isSelf)
+			{
+				NSString *bodyStr = [[ownMessage elementForName:@"body"] stringValue];
+				if ([bodyStr length] > 0)
+				{
+					NSXMLElement *body = [NSXMLElement elementWithName:@"body" stringValue:bodyStr];
+					
+					XMPPJID *to = [XMPPJID jidWithString:[ownMessage attributeStringValueForName:@"to"]];
+					XMPPMessage *message = [XMPPMessage messageWithType:@"chat" to:to];
+					[message addChild:body];
+					
+					if ([self shouldArchiveMessage:message outgoing:YES xmppStream:sender])
+					{
+						[xmppMessageArchivingStorage archiveMessage:message outgoing:YES xmppStream:sender];
+					}
+				}
+			}
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+	if ([self shouldArchiveMessage:message outgoing:YES xmppStream:sender])
+	{
+		[xmppMessageArchivingStorage archiveMessage:message outgoing:YES xmppStream:sender];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+	if ([self shouldArchiveMessage:message outgoing:NO xmppStream:sender])
+	{
+		[xmppMessageArchivingStorage archiveMessage:message outgoing:NO xmppStream:sender];
+	}
+}
+
+@end
diff --git a/Extensions/XEP-0147/XMPPURI.h b/Extensions/XEP-0147/XMPPURI.h
new file mode 100644
index 0000000..1dc90fa
--- /dev/null
+++ b/Extensions/XEP-0147/XMPPURI.h
@@ -0,0 +1,69 @@
+//
+//  XMPPURI.h
+//  XMPPFramework
+//
+//  Created by Christopher Ballinger on 5/15/15.
+//  Copyright (c) 2015 Chris Ballinger. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "XMPPJID.h"
+
+/** 
+ *  For parsing and creating XMPP URIs RFC5122/XEP-0147
+ *  e.g. xmpp:username@domain.com?subscribe 
+ *  http://www.xmpp.org/extensions/xep-0147.html
+ */
+@interface XMPPURI : NSObject
+
+/**
+ * User JID. e.g. romeo@montague.net
+ * Example: xmpp:romeo@montague.net
+ */
+@property (nonatomic, strong, readonly) XMPPJID *jid;
+
+/**
+ * Account JID. (Optional)
+ * Used to specify an account with which to perform an action.
+ * For example 'guest@example.com' would be the authority portion of
+ *    xmpp://guest@example.com/support@example.com?message
+ * so the application would show a dialog with an outgoing message
+ * to support@example.com from the user's account guest@example.com.
+ */
+@property (nonatomic, strong, readonly) XMPPJID *accountJID;
+
+/** 
+ * XMPP query action. e.g. subscribe
+ * For example, the query action below would be 'subscribe'
+ *    xmpp:romeo@montague.net?subscribe
+ * For full list: http://xmpp.org/registrar/querytypes.html
+ */
+@property (nonatomic, strong, readonly) NSString *queryAction;
+
+/**
+ * XMPP query parameters. e.g. subject=Test
+ *
+ * For example the query parameters for
+ *     xmpp:romeo@montague.net?message;subject=Test%20Message;body=Here%27s%20a%20test%20message
+ * would be
+ * {"subject": "Test Message",
+ *  "body": "Here's a test message"}
+ */
+@property (nonatomic, strong, readonly) NSDictionary *queryParameters;
+
+/** 
+ * Generates URI string from jid, queryAction, and queryParameters
+ * e.g. xmpp:romeo@montague.net?subscribe 
+ */
+- (NSString*) uriString;
+
+// Parsing XMPP URIs
+- (instancetype) initWithURL:(NSURL*)url;
+- (instancetype) initWithURIString:(NSString*)uriString;
+
+// Creating XMPP URIs
+- (instancetype) initWithJID:(XMPPJID*)jid
+                 queryAction:(NSString*)queryAction
+             queryParameters:(NSDictionary*)queryParameters;
+
+@end
diff --git a/Extensions/XEP-0147/XMPPURI.m b/Extensions/XEP-0147/XMPPURI.m
new file mode 100644
index 0000000..d3406d3
--- /dev/null
+++ b/Extensions/XEP-0147/XMPPURI.m
@@ -0,0 +1,108 @@
+//
+//  XMPPURI.m
+//  XMPPFramework
+//
+//  Created by Christopher Ballinger on 5/15/15.
+//  Copyright (c) 2015 Chris Ballinger. All rights reserved.
+//
+
+#import "XMPPURI.h"
+
+@implementation XMPPURI
+
+- (instancetype) initWithURIString:(NSString *)uriString {
+    if (self = [super init]) {
+        [self parseURIString:uriString];
+    }
+    return self;
+}
+
+- (instancetype) initWithURL:(NSURL *)url {
+    if (self = [self initWithURIString:url.absoluteString]) {
+    }
+    return self;
+}
+
+- (instancetype) initWithJID:(XMPPJID*)jid
+                 queryAction:(NSString*)queryAction
+             queryParameters:(NSDictionary*)queryParameters {
+    if (self = [super init]) {
+        _jid = [jid copy];
+        _queryAction = [queryAction copy];
+        _queryParameters = [queryParameters copy];
+    }
+    return self;
+}
+
+- (NSString*) uriString {
+    NSMutableString *uriString = [NSMutableString stringWithFormat:@"xmpp:%@", self.jid.bare];
+    if (self.queryAction) {
+        [uriString appendFormat:@"?%@", self.queryAction];
+    }
+    NSMutableCharacterSet *allowedCharacterSet = NSCharacterSet.URLQueryAllowedCharacterSet.mutableCopy;
+    [allowedCharacterSet removeCharactersInString:@"'"]; // what other characters should be removed?
+    [self.queryParameters enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj, BOOL *stop) {
+        NSString *value = [obj stringByAddingPercentEncodingWithAllowedCharacters:allowedCharacterSet];
+        [uriString appendFormat:@";%@=%@", key, value];
+    }];
+    return uriString;
+}
+
+- (void) parseURIString:(NSString*)uriString {
+    NSString *authority = nil;
+    // Parse authority component
+    if ([uriString containsString:@"://"]) {
+        NSRange fullRange = NSMakeRange(0, uriString.length);
+        NSRange startRange = [uriString rangeOfString:@"://"];
+        NSUInteger trailingLocation = startRange.location + startRange.length;
+        NSRange trailingRange = NSMakeRange(trailingLocation, uriString.length - trailingLocation);
+        NSRange endRange = [uriString rangeOfString:@"/" options:0 range:trailingRange];
+        NSUInteger authorityLocation = startRange.location + startRange.length;
+        NSRange authorityRange = NSMakeRange(authorityLocation, endRange.location - authorityLocation);
+        authority = [uriString substringWithRange:authorityRange];
+        NSString *stringToRemove = [NSString stringWithFormat:@"://%@/", authority];
+        uriString = [uriString stringByReplacingOccurrencesOfString:stringToRemove withString:@":" options:0 range:fullRange];
+    }
+    if (authority) {
+        _accountJID = [XMPPJID jidWithString:authority];
+    }
+    
+    NSArray *uriComponents = [uriString componentsSeparatedByString:@":"];
+    NSString *scheme = nil;
+    NSString *jidString = nil;
+    
+    if (uriComponents.count >= 2) {
+        scheme = uriComponents[0];
+        NSString *path = uriComponents[1];
+        if ([path containsString:@"?"]) {
+            NSArray *queryComponents = [path componentsSeparatedByString:@"?"];
+            jidString = queryComponents[0];
+            NSString *query = queryComponents[1];
+            NSArray *queryKeys = [query componentsSeparatedByString:@";"];
+            
+            NSMutableDictionary *queryParameters = [NSMutableDictionary dictionaryWithCapacity:queryKeys.count];
+            [queryKeys enumerateObjectsUsingBlock:^(NSString *queryItem, NSUInteger idx, BOOL *stop) {
+                if (idx == 0) {
+                    _queryAction = queryItem;
+                } else {
+                    NSArray *keyValue = [queryItem componentsSeparatedByString:@"="];
+                    if (keyValue.count == 2) {
+                        NSString *key = keyValue[0];
+                        NSString *value = [keyValue[1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+                        if (key && value) {
+                            queryParameters[key] = value;
+                        }
+                    }
+                }
+            }];
+            _queryParameters = queryParameters;
+        } else {
+            jidString = path;
+        }
+    }
+    if (jidString) {
+        _jid = [XMPPJID jidWithString:jidString];
+    }
+}
+
+@end
diff --git a/Extensions/XEP-0153/XMPPvCardAvatarModule.h b/Extensions/XEP-0153/XMPPvCardAvatarModule.h
new file mode 100644
index 0000000..4a58e76
--- /dev/null
+++ b/Extensions/XEP-0153/XMPPvCardAvatarModule.h
@@ -0,0 +1,93 @@
+//
+//  XMPPvCardAvatarModule.h
+//  XEP-0153 vCard-Based Avatars
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+
+/*
+ *  NOTE: Currently this implementation only supports downloading and caching avatars.
+ */
+
+
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIKit.h>
+#else
+    #import <Cocoa/Cocoa.h>
+#endif
+
+#import "XMPP.h"
+#import "XMPPvCardTempModule.h"
+
+#define _XMPP_VCARD_AVATAR_MODULE_H
+
+@protocol XMPPvCardAvatarStorage;
+
+
+@interface XMPPvCardAvatarModule : XMPPModule <XMPPvCardTempModuleDelegate>
+{
+	__strong XMPPvCardTempModule *_xmppvCardTempModule;
+	__strong id <XMPPvCardAvatarStorage> _moduleStorage;
+	
+	BOOL _autoClearMyvcard;
+}
+
+@property(nonatomic, strong, readonly) XMPPvCardTempModule *xmppvCardTempModule;
+
+
+/*
+ * XEP-0153 Section 4.2 rule 1
+ *
+ * A client MUST NOT advertise an avatar image without first downloading the current vCard.
+ * Once it has done this, it MAY advertise an image.
+ *
+ * Default YES
+ */
+@property(nonatomic, assign) BOOL autoClearMyvcard;
+
+
+- (id)initWithvCardTempModule:(XMPPvCardTempModule *)xmppvCardTempModule;
+- (id)initWithvCardTempModule:(XMPPvCardTempModule *)xmppvCardTempModule  dispatchQueue:(dispatch_queue_t)queue;
+
+
+- (NSData *)photoDataForJID:(XMPPJID *)jid;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPvCardAvatarDelegate <NSObject>
+
+#if TARGET_OS_IPHONE
+- (void)xmppvCardAvatarModule:(XMPPvCardAvatarModule *)vCardTempModule 
+              didReceivePhoto:(UIImage *)photo
+                       forJID:(XMPPJID *)jid;
+#else
+- (void)xmppvCardAvatarModule:(XMPPvCardAvatarModule *)vCardTempModule 
+              didReceivePhoto:(NSImage *)photo
+                       forJID:(XMPPJID *)jid;
+#endif
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPvCardAvatarStorage <NSObject>
+
+- (NSData *)photoDataForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+- (NSString *)photoHashForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+/**
+ * Clears the vCardTemp from the store.
+ * This is used so we can clear any cached vCardTemp's for the JID.
+**/
+- (void)clearvCardTempForJID:(XMPPJID *)jid xmppStream:(XMPPStream *)stream;
+
+@end
+
diff --git a/Extensions/XEP-0153/XMPPvCardAvatarModule.m b/Extensions/XEP-0153/XMPPvCardAvatarModule.m
new file mode 100755
index 0000000..c2c39f9
--- /dev/null
+++ b/Extensions/XEP-0153/XMPPvCardAvatarModule.m
@@ -0,0 +1,305 @@
+//
+//  XMPPvCardAvatarModule.h
+//  XEP-0153 vCard-Based Avatars
+//
+//  Created by Eric Chamberlain on 3/9/11.
+//  Copyright 2011 RF.com. All rights reserved.
+
+#import "XMPPvCardAvatarModule.h"
+
+#import "NSData+XMPP.h"
+#import "NSXMLElement+XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPPresence.h"
+#import "XMPPStream.h"
+#import "XMPPvCardTempModule.h"
+#import "XMPPvCardTemp.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+NSString *const kXMPPvCardAvatarElement = @"x";
+NSString *const kXMPPvCardAvatarNS = @"vcard-temp:x:update";
+NSString *const kXMPPvCardAvatarPhotoElement = @"photo";
+
+
+@implementation XMPPvCardAvatarModule
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Init/dealloc
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPvCardAvatarModule.h are supported.
+	
+	return [self initWithvCardTempModule:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPvCardAvatarModule.h are supported.
+	
+	return [self initWithvCardTempModule:nil dispatchQueue:NULL];
+}
+
+- (id)initWithvCardTempModule:(XMPPvCardTempModule *)xmppvCardTempModule
+{
+  return [self initWithvCardTempModule:xmppvCardTempModule dispatchQueue:NULL];
+}
+
+- (id)initWithvCardTempModule:(XMPPvCardTempModule *)xmppvCardTempModule dispatchQueue:(dispatch_queue_t)queue
+{
+	NSParameterAssert(xmppvCardTempModule != nil);
+
+	if ((self = [super initWithDispatchQueue:queue])) {
+		_xmppvCardTempModule = xmppvCardTempModule;
+
+		// we don't need to call the storage configureWithParent:queue: method,
+		// because the vCardTempModule already did that.
+		_moduleStorage = (id <XMPPvCardAvatarStorage>)xmppvCardTempModule.xmppvCardTempModuleStorage;
+
+		[_xmppvCardTempModule addDelegate:self delegateQueue:moduleQueue];
+		
+		_autoClearMyvcard = YES;
+	}
+	return self;
+}
+
+
+- (void)dealloc {
+	[_xmppvCardTempModule removeDelegate:self];
+
+	_moduleStorage = nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+- (BOOL)autoClearMyvcard
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = _autoClearMyvcard;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoClearMyvcard:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		_autoClearMyvcard = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSData *)photoDataForJID:(XMPPJID *)jid 
+{
+	// This is a public method, so it may be invoked on any thread/queue.
+	// 
+	// The vCardTempModule is thread safe.
+	// The moduleStorage should be thread safe. (User may be using custom module storage class).
+	// The multicastDelegate is NOT thread safe.
+	
+	__block NSData *photoData;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		photoData = [_moduleStorage photoDataForJID:jid xmppStream:xmppStream];
+		
+		if (photoData == nil) 
+		{
+			[_xmppvCardTempModule vCardTempForJID:jid shouldFetch:YES];
+		}
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return photoData;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStreamDelegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidConnect:(XMPPStream *)sender {
+	XMPPLogTrace();
+	
+	if(self.autoClearMyvcard)
+	{
+		/*
+		 * XEP-0153 Section 4.2 rule 1
+		 *
+		 * A client MUST NOT advertise an avatar image without first downloading the current vCard. 
+		 * Once it has done this, it MAY advertise an image. 
+		 */
+		[_moduleStorage clearvCardTempForJID:[sender myJID] xmppStream:sender];
+	}
+}
+
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender {
+	XMPPLogTrace();
+	[_xmppvCardTempModule fetchvCardTempForJID:[sender myJID] ignoreStorage:YES];
+}
+
+
+- (XMPPPresence *)xmppStream:(XMPPStream *)sender willSendPresence:(XMPPPresence *)presence {
+	XMPPLogTrace();
+    
+	NSXMLElement *currentXElement = [presence elementForName:kXMPPvCardAvatarElement xmlns:kXMPPvCardAvatarNS];
+	
+	//If there is already a x element then remove it
+	if(currentXElement)
+	{
+	    NSUInteger currentXElementIndex = [[presence children] indexOfObject:currentXElement];
+	    
+	    if(currentXElementIndex != NSNotFound)
+	    {
+	        [presence removeChildAtIndex:currentXElementIndex];
+	    }
+	}
+	// add our photo info to the presence stanza
+	NSXMLElement *photoElement = nil;
+	NSXMLElement *xElement = [NSXMLElement elementWithName:kXMPPvCardAvatarElement xmlns:kXMPPvCardAvatarNS];
+
+	NSString *photoHash = [_moduleStorage photoHashForJID:[sender myJID] xmppStream:sender];
+
+	if (photoHash != nil)
+    {
+	    photoElement = [NSXMLElement elementWithName:kXMPPvCardAvatarPhotoElement stringValue:photoHash];
+	} else {
+	    photoElement = [NSXMLElement elementWithName:kXMPPvCardAvatarPhotoElement];
+	}
+
+	[xElement addChild:photoElement];
+	[presence addChild:xElement];
+    
+	// Question: If photoElement is nil, should we be adding xElement?
+	
+	return presence;
+}
+
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence  {
+	XMPPLogTrace();
+
+	NSXMLElement *xElement = [presence elementForName:kXMPPvCardAvatarElement xmlns:kXMPPvCardAvatarNS];
+
+	if (xElement == nil) {
+		return;
+	}
+
+	NSXMLElement *photoElement = [xElement elementForName:kXMPPvCardAvatarPhotoElement];
+
+	if (photoElement == nil) {
+		return;
+	}
+    
+    NSString *photoHash = [photoElement stringValue];
+
+	XMPPJID *jid = [presence from];
+    
+    NSString *savedPhotoHash = [_moduleStorage photoHashForJID:jid xmppStream:xmppStream];
+
+	// check the hash
+    if ([photoHash caseInsensitiveCompare:savedPhotoHash] != NSOrderedSame
+        && !([photoHash length] == 0 && [savedPhotoHash length] == 0)) {
+		[_xmppvCardTempModule fetchvCardTempForJID:jid ignoreStorage:YES];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPvCardTempModuleDelegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppvCardTempModule:(XMPPvCardTempModule *)vCardTempModule 
+        didReceivevCardTemp:(XMPPvCardTemp *)vCardTemp 
+                     forJID:(XMPPJID *)jid
+{
+	XMPPLogTrace();
+	
+	if (vCardTemp.photo != nil)
+	{
+	#if TARGET_OS_IPHONE
+		UIImage *photo = [UIImage imageWithData:vCardTemp.photo];
+	#else
+		NSImage *photo = [[NSImage alloc] initWithData:vCardTemp.photo];
+	#endif
+		
+		if (photo != nil)
+		{
+			[multicastDelegate xmppvCardAvatarModule:self
+			                         didReceivePhoto:photo
+			                                  forJID:jid];
+		}
+	}
+	
+	/*
+	 * XEP-0153 4.1.3
+	 * If the client subsequently obtains an avatar image (e.g., by updating or retrieving the vCard), 
+	 * it SHOULD then publish a new <presence/> stanza with character data in the <photo/> element.
+	 */
+    
+	if ([[xmppStream myJID] isEqualToJID:jid options:XMPPJIDCompareBare])
+	{
+		XMPPPresence *presence = xmppStream.myPresence;
+        
+        if(presence)
+        {
+            [xmppStream sendElement:presence];
+        }
+
+
+	}
+}
+
+- (void)xmppvCardTempModuleDidUpdateMyvCard:(XMPPvCardTempModule *)vCardTempModule{
+    //The vCard has been updated on the server so we need to cache it
+    [_xmppvCardTempModule fetchvCardTempForJID:[xmppStream myJID] ignoreStorage:NO];
+}
+
+- (void)xmppvCardTempModule:(XMPPvCardTempModule *)vCardTempModule failedToUpdateMyvCard:(NSXMLElement *)error{
+		//The vCard failed to update so we fetch the current one from the server
+    [_xmppvCardTempModule fetchvCardTempForJID:[xmppStream myJID] ignoreStorage:YES];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Getter/setter
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize xmppvCardTempModule = _xmppvCardTempModule;
+
+
+@end
diff --git a/Extensions/XEP-0172/XMPPMessage+XEP_0172.h b/Extensions/XEP-0172/XMPPMessage+XEP_0172.h
new file mode 100644
index 0000000..b686913
--- /dev/null
+++ b/Extensions/XEP-0172/XMPPMessage+XEP_0172.h
@@ -0,0 +1,8 @@
+#import <Foundation/Foundation.h>
+#import "XMPPMessage.h"
+
+@interface XMPPMessage (XEP_0172)
+
+- (NSString *)nick;
+
+@end
diff --git a/Extensions/XEP-0172/XMPPMessage+XEP_0172.m b/Extensions/XEP-0172/XMPPMessage+XEP_0172.m
new file mode 100644
index 0000000..8cc97d5
--- /dev/null
+++ b/Extensions/XEP-0172/XMPPMessage+XEP_0172.m
@@ -0,0 +1,13 @@
+#import "XMPPMessage+XEP_0172.h"
+#import "NSXMLElement+XMPP.h"
+
+#define XMLNS_NICK @"http://jabber.org/protocol/nick"
+
+@implementation XMPPMessage (XEP_0172)
+
+- (NSString *)nick
+{
+	return [[self elementForName:@"nick" xmlns:XMLNS_NICK] stringValue];
+}
+
+@end
diff --git a/Extensions/XEP-0172/XMPPPresence+XEP_0172.h b/Extensions/XEP-0172/XMPPPresence+XEP_0172.h
new file mode 100644
index 0000000..04edadc
--- /dev/null
+++ b/Extensions/XEP-0172/XMPPPresence+XEP_0172.h
@@ -0,0 +1,8 @@
+#import <Foundation/Foundation.h>
+#import "XMPPPresence.h"
+
+@interface XMPPPresence (XEP_0172)
+
+- (NSString *)nick;
+
+@end
diff --git a/Extensions/XEP-0172/XMPPPresence+XEP_0172.m b/Extensions/XEP-0172/XMPPPresence+XEP_0172.m
new file mode 100644
index 0000000..0cde58e
--- /dev/null
+++ b/Extensions/XEP-0172/XMPPPresence+XEP_0172.m
@@ -0,0 +1,12 @@
+#import "XMPPPresence+XEP_0172.h"
+#import "NSXMLElement+XMPP.h"
+
+#define XMLNS_NICK @"http://jabber.org/protocol/nick"
+
+@implementation XMPPPresence (XEP_0172)
+
+- (NSString *)nick{
+	return [[self elementForName:@"nick" xmlns:XMLNS_NICK] stringValue];
+}
+
+@end
diff --git a/Extensions/XEP-0184/XMPPMessage+XEP_0184.h b/Extensions/XEP-0184/XMPPMessage+XEP_0184.h
new file mode 100644
index 0000000..877e5c3
--- /dev/null
+++ b/Extensions/XEP-0184/XMPPMessage+XEP_0184.h
@@ -0,0 +1,14 @@
+#import <Foundation/Foundation.h>
+#import "XMPPMessage.h"
+
+
+@interface XMPPMessage (XEP_0184)
+
+- (BOOL)hasReceiptRequest;
+- (BOOL)hasReceiptResponse;
+- (NSString *)receiptResponseID;
+- (XMPPMessage *)generateReceiptResponse;
+
+- (void)addReceiptRequest;
+
+@end
diff --git a/Extensions/XEP-0184/XMPPMessage+XEP_0184.m b/Extensions/XEP-0184/XMPPMessage+XEP_0184.m
new file mode 100644
index 0000000..aa4b061
--- /dev/null
+++ b/Extensions/XEP-0184/XMPPMessage+XEP_0184.m
@@ -0,0 +1,64 @@
+#import "XMPPMessage+XEP_0184.h"
+#import "NSXMLElement+XMPP.h"
+
+
+@implementation XMPPMessage (XEP_0184)
+
+- (BOOL)hasReceiptRequest
+{
+	NSXMLElement *receiptRequest = [self elementForName:@"request" xmlns:@"urn:xmpp:receipts"];
+	
+	return (receiptRequest != nil);
+}
+
+- (BOOL)hasReceiptResponse
+{
+	NSXMLElement *receiptResponse = [self elementForName:@"received" xmlns:@"urn:xmpp:receipts"];
+	
+	return (receiptResponse != nil);
+}
+
+- (NSString *)receiptResponseID
+{
+	NSXMLElement *receiptResponse = [self elementForName:@"received" xmlns:@"urn:xmpp:receipts"];
+	
+	return [receiptResponse attributeStringValueForName:@"id"];
+}
+
+- (XMPPMessage *)generateReceiptResponse
+{
+	// Example:
+	// 
+	// <message to="juliet">
+	//   <received xmlns="urn:xmpp:receipts" id="ABC-123"/>
+	// </message>
+	
+	NSXMLElement *received = [NSXMLElement elementWithName:@"received" xmlns:@"urn:xmpp:receipts"];
+	
+	NSXMLElement *message = [NSXMLElement elementWithName:@"message"];
+	
+	NSString *to = [self fromStr];
+	if (to)
+	{
+		[message addAttributeWithName:@"to" stringValue:to];
+	}
+	
+	NSString *msgid = [self elementID];
+	if (msgid)
+	{
+		[received addAttributeWithName:@"id" stringValue:msgid];
+	}
+	
+	[message addChild:received];
+	
+	return [[self class] messageFromElement:message];
+}
+
+
+- (void)addReceiptRequest
+{
+    NSXMLElement *receiptRequest = [NSXMLElement elementWithName:@"request" xmlns:@"urn:xmpp:receipts"];
+    [self addChild:receiptRequest];
+}
+
+@end
diff --git a/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.h b/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.h
new file mode 100644
index 0000000..16070fe
--- /dev/null
+++ b/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.h
@@ -0,0 +1,32 @@
+#import "XMPPModule.h"
+
+#define _XMPP_MESSAGE_DELIVERY_RECEIPTS_H
+
+/**
+ * XMPPMessageDeliveryReceipts can be configured to automatically send delivery receipts and requests in accordance to XEP-0184
+**/
+
+@interface XMPPMessageDeliveryReceipts : XMPPModule
+
+/**
+ * Automatically add message delivery requests to outgoing messages, in all situations that are permitted in XEP-0184
+ *
+ * - Message MUST NOT be of type 'error' or 'groupchat'
+ * - Message MUST have an id
+ * - Message MUST NOT have a delivery receipt or request
+ * - To must either be a bare JID or a full JID that advertises the urn:xmpp:receipts capability
+ *
+ * Default NO
+**/
+
+@property (assign) BOOL autoSendMessageDeliveryRequests;
+
+/**
+ * Automatically send message delivery receipts when a message with a delivery request is received 
+ *
+ * Default NO
+**/
+
+@property (assign) BOOL autoSendMessageDeliveryReceipts;
+
+@end
\ No newline at end of file
diff --git a/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.m b/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.m
new file mode 100644
index 0000000..564bdd9
--- /dev/null
+++ b/Extensions/XEP-0184/XMPPMessageDeliveryReceipts.m
@@ -0,0 +1,210 @@
+#import "XMPPMessageDeliveryReceipts.h"
+#import "XMPPMessage+XEP_0184.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_URN_XMPP_RECEIPTS @"urn:xmpp:receipts"
+
+@implementation XMPPMessageDeliveryReceipts
+
+@synthesize autoSendMessageDeliveryRequests;
+@synthesize autoSendMessageDeliveryReceipts;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Init/Dealloc
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+    if((self = [super initWithDispatchQueue:queue]))
+    {
+        autoSendMessageDeliveryRequests = NO;
+        autoSendMessageDeliveryReceipts = NO;
+    }
+    
+    return self;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPModule
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+#endif
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoSendMessageDeliveryRequests
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoSendMessageDeliveryRequests;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoSendMessageDeliveryRequests:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoSendMessageDeliveryRequests = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoSendMessageDeliveryReceipts
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoSendMessageDeliveryReceipts;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoSendMessageDeliveryReceipts:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoSendMessageDeliveryReceipts = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+    if([message hasReceiptRequest])
+    {        
+        if(self.autoSendMessageDeliveryReceipts)
+        {
+            XMPPMessage *generatedReceiptResponse = [message generateReceiptResponse];
+            [sender sendElement:generatedReceiptResponse];
+        }
+    }
+}
+
+- (XMPPMessage *)xmppStream:(XMPPStream *)sender willSendMessage:(XMPPMessage *)message
+{    
+    if(self.autoSendMessageDeliveryRequests
+       && [message to]
+       && ![message isErrorMessage] && ![[[message attributeForName:@"type"] stringValue] isEqualToString:@"groupchat"]
+       && [[message elementID] length]
+       && ![message hasReceiptRequest] && ![message hasReceiptResponse])
+    {
+        
+#ifdef _XMPP_CAPABILITIES_H
+        BOOL addReceiptRequest = NO;
+        
+        __block XMPPCapabilities *xmppCapabilities = nil;
+        
+        [xmppStream enumerateModulesOfClass:[XMPPCapabilities class] withBlock:^(XMPPModule *module, NSUInteger idx, BOOL *stop) {
+            xmppCapabilities = (XMPPCapabilities *)module;
+        }];
+        
+        if([[message to] isFull] && [xmppCapabilities.xmppCapabilitiesStorage areCapabilitiesKnownForJID:[message to] xmppStream:sender])
+        {
+            NSXMLElement *capabilities = [xmppCapabilities.xmppCapabilitiesStorage capabilitiesForJID:[message to] xmppStream:xmppStream];
+            
+            for(NSXMLElement *feature in [capabilities children])
+            {
+                if([[feature name] isEqualToString:@"feature"]
+                   && [[feature attributeStringValueForName:@"var"] isEqualToString:XMLNS_URN_XMPP_RECEIPTS])
+                {
+                    addReceiptRequest = YES;
+                    break;
+                }
+                
+            }
+            
+        }
+        else
+        {
+            addReceiptRequest = YES;
+        }
+#else
+        BOOL addReceiptRequest = YES;
+#endif
+        
+        if(addReceiptRequest)
+        {
+            [message addReceiptRequest];
+        }
+    }
+    
+    return message;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPCapabilities delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for XEP-0184.
+ **/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+    // This method is invoked on the moduleQueue.
+    
+    // <query xmlns="http://jabber.org/protocol/disco#info">
+    //   ...
+    //   <feature var='urn:xmpp:receipts'/>
+    //   ...
+    // </query>
+    
+    NSXMLElement *messageDeliveryReceiptsFeatureElement = [NSXMLElement elementWithName:@"feature"];
+    [messageDeliveryReceiptsFeatureElement addAttributeWithName:@"var" stringValue:XMLNS_URN_XMPP_RECEIPTS];
+    
+    [query addChild:messageDeliveryReceiptsFeatureElement];
+}
+#endif
+
+@end
diff --git a/Extensions/XEP-0191/XMPPBlocking.h b/Extensions/XEP-0191/XMPPBlocking.h
new file mode 100644
index 0000000..36734fe
--- /dev/null
+++ b/Extensions/XEP-0191/XMPPBlocking.h
@@ -0,0 +1,132 @@
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+
+#if TARGET_OS_IPHONE
+#import "DDXML.h"
+#endif
+
+#define _XMPP_BLOCKING_H
+
+@class XMPPIQ;
+
+extern NSString *const XMPPBlockingErrorDomain;
+
+typedef enum XMPPBlockingErrorCode
+{
+	XMPPBlockingQueryTimeout,  // No response from server
+	XMPPBlockingDisconnect,    // XMPP disconnection
+	
+} XMPPBlockingErrorCode;
+
+@interface XMPPBlocking : XMPPModule
+{
+    BOOL autoRetrieveBlockingListItems;
+    BOOL autoClearBlockingListInfo;
+    
+    NSMutableDictionary *blockingDict;
+    
+    NSMutableDictionary *pendingQueries;
+}
+
+/**
+ * Whether or not the module should automatically retrieve the blocking list rules.
+ * If this property is enabled, then the rules for each blocking list are automatically fetched.
+ *
+ * In other words, if the blocking list names are fetched (either automatically, or via retrieveListItems),
+ * then the module will automatically fetch the associated rules.
+ *
+ * The default value is YES.
+ **/
+@property (readwrite, assign) BOOL autoRetrieveBlockingListItems;
+
+/**
+ * Whether the module should automatically clear the blocking list info when the client disconnects.
+ *
+ * As per the XEP, if there are multiple resources signed in for the user,
+ * and one resource makes changes to a blocking list, all other resources are "pushed" a notification.
+ * However, if our client is disconnected when another resource makes the changes,
+ * then the only way we can find out about the changes are to redownload the blocking lists.
+ *
+ * It is recommended to clear the blocking list to assure we have the correct info.
+ * However, there may be specific situations in which an xmpp client can be sure the blocking list won't change.
+ *
+ * The default value is YES.
+ **/
+@property (readwrite, assign) BOOL autoClearBlockingListInfo;
+
+/**
+ * Blocking dict
+ */
+@property (readonly, strong) NSMutableDictionary *blockingDict;
+
+/**
+ * Manual fetch of list names and rules, and manual control over when to clear stored info.
+ **/
+- (void)retrieveBlockingListItems;
+- (void)clearBlockingListInfo;
+
+/**
+ * Returns the blocking list.
+ *
+ * The result is an array or blocking items (NSXMLElement's).
+ **/
+- (NSArray*)blockingList;
+
+/**
+ * Block JID.
+ */
+- (void)blockJID:(XMPPJID*)xmppJID;
+
+/**
+ * Unblock JID.
+ */
+- (void)unblockJID:(XMPPJID*)xmppJID;
+
+/**
+ * Return whether a jid is in blocking list or not.
+ */
+- (BOOL)containsJID:(XMPPJID*)xmppJID;
+
+/**
+ * Unblock all.
+ */
+- (void)unblockAll;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPBlockingDelegate
+@optional
+
+/**
+ * The following delegate methods correspond almost exactly with the action methods of the class.
+ * There are a few possible ways in which an action could fail:
+ *
+ * 1. We receive an error response from the server.
+ * 2. We receive no response from the server, and the query times out.
+ * 3. We get disconnected before we receive the response.
+ *
+ * In case number 1, the error will be an XMPPIQ of type='error'.
+ *
+ * In case number 2 or 3, the error will be an NSError
+ * with domain=XMPPPrivacyErrorDomain and code from the XMPPBlockingErrorCode enumeration.
+ **/
+
+- (void)xmppBlocking:(XMPPBlocking *)sender didReceivedBlockingList:(NSArray*)blockingList;
+- (void)xmppBlocking:(XMPPBlocking *)sender didNotReceivedBlockingListDueToError:(id)error;
+
+- (void)xmppBlocking:(XMPPBlocking *)sender didReceivePushWithBlockingList:(NSString *)name;
+
+- (void)xmppBlocking:(XMPPBlocking *)sender didBlockJID:(XMPPJID*)xmppJID;
+- (void)xmppBlocking:(XMPPBlocking *)sender didNotBlockJID:(XMPPJID*)xmppJID error:(id)error;
+
+- (void)xmppBlocking:(XMPPBlocking *)sender didUnblockJID:(XMPPJID*)xmppJID;
+- (void)xmppBlocking:(XMPPBlocking *)sender didNotUnblockJID:(XMPPJID*)xmppJID error:(id)error;
+
+- (void)xmppBlocking:(XMPPBlocking *)sender didUnblockAllWithError:(id)error;
+- (void)xmppBlocking:(XMPPBlocking *)sender didNotUnblockAllDueToError:(id)error;
+
+@end
\ No newline at end of file
diff --git a/Extensions/XEP-0191/XMPPBlocking.m b/Extensions/XEP-0191/XMPPBlocking.m
new file mode 100644
index 0000000..e36d0e1
--- /dev/null
+++ b/Extensions/XEP-0191/XMPPBlocking.m
@@ -0,0 +1,644 @@
+#import "XMPP.h"
+#import "XMPPLogging.h"
+#import "XMPPBlocking.h"
+#import "NSNumber+XMPP.h"
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#ifdef DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define QUERY_TIMEOUT 30.0 // NSTimeInterval (double) = seconds
+
+NSString *const XMPPBlockingErrorDomain = @"XMPPBlockingErrorDomain";
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+typedef enum XMPPBlockingQueryInfoType {
+    FetchBlockingList,
+	BlockUser,
+    UnblockUser,
+    UnblockAll,
+	
+} XMPPBlockingQueryInfoType;
+
+@interface XMPPBlockingQueryInfo : NSObject
+{
+	XMPPBlockingQueryInfoType type;
+    XMPPJID *blockingXMPPJID;
+	NSArray *blockingListItems;
+	
+	dispatch_source_t timer;
+}
+
+@property (nonatomic, readonly) XMPPBlockingQueryInfoType type;
+@property (nonatomic, readonly) NSArray *blockingListItems;
+
+@property (nonatomic, readwrite) XMPPJID *blockingXMPPJID;
+@property (nonatomic, readwrite) dispatch_source_t timer;
+
+- (void)cancel;
+
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type;
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type jid:(XMPPJID *)jid;
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type jid:(XMPPJID *)jid items:(NSArray *)items;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPBlocking (/* Must be nameless for properties */)
+
+- (void)addQueryInfo:(XMPPBlockingQueryInfo *)qi withKey:(NSString *)uuid;
+- (void)queryTimeout:(NSString *)uuid;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPBlocking
+
+@synthesize blockingDict = _blockingDict;
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		autoRetrieveBlockingListItems = YES;
+		autoClearBlockingListInfo     = YES;
+		
+		blockingDict = [[NSMutableDictionary alloc] init];
+		
+		pendingQueries = [[NSMutableDictionary alloc] init];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		// Reserved for possible future use.
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	// Reserved for possible future use.
+	
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoRetrieveBlockingListItems
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return autoRetrieveBlockingListItems;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = autoRetrieveBlockingListItems;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setAutoRetrieveBlockingListItems:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		autoRetrieveBlockingListItems = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)autoClearBlockingListInfo
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return autoClearBlockingListInfo;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = autoClearBlockingListInfo;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setAutoClearBlockingListInfo:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		autoClearBlockingListInfo = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)retrieveBlockingListItems
+{
+    XMPPLogTrace();
+	
+    // <iq type='get' id='blocklist1'>
+    // <blocklist xmlns='urn:xmpp:blocking'/>
+    // </iq>
+
+    NSXMLElement *block = [NSXMLElement elementWithName:@"blocklist" xmlns:@"urn:xmpp:blocking"];
+
+    NSString *uuid = [xmppStream generateUUID];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:nil elementID:uuid child:block];
+    
+    [xmppStream sendElement:iq];
+    
+    XMPPBlockingQueryInfo *qi = [XMPPBlockingQueryInfo queryInfoWithType:FetchBlockingList];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (void)clearBlockingListInfo
+{
+	XMPPLogTrace();
+	
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		[blockingDict removeAllObjects];
+	}
+	else
+	{
+		dispatch_async(moduleQueue, ^{ @autoreleasepool {
+			
+			[blockingDict removeAllObjects];
+		}});
+	}
+}
+
+- (NSArray*)blockingList
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return [blockingDict allKeys];
+	}
+	else
+	{
+		__block NSArray *result;
+		
+		dispatch_sync(moduleQueue, ^{ @autoreleasepool {
+			
+			result = [[blockingDict allKeys] copy];
+		}});
+		
+		return result;
+	}
+}
+
+- (void)blockJID:(XMPPJID*)xmppJID
+{
+    XMPPLogTrace();
+    
+    id value = blockingDict[[xmppJID full]];
+    if (value == nil)
+    {
+        blockingDict[[xmppJID full]] = [NSNull null];
+    }
+    
+    // <iq from='juliet@capulet.com/chamber' type='set' id='block1'>
+    // <block xmlns='urn:xmpp:blocking'>
+    // <item jid='romeo@montague.net'/>
+    // </block>
+    // </iq>
+    
+    NSXMLElement *block = [NSXMLElement elementWithName:@"block" xmlns:@"urn:xmpp:blocking"];
+    NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+    [item addAttributeWithName:@"jid" stringValue:[xmppJID full]];
+    [block addChild:item];
+    
+    NSString *uuid = [xmppStream generateUUID];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:block];
+    [iq addAttributeWithName:@"from" stringValue:xmppStream.myJID.bare];
+    
+    [xmppStream sendElement:iq];
+    
+    XMPPBlockingQueryInfo *qi = [XMPPBlockingQueryInfo queryInfoWithType:BlockUser];
+    qi.blockingXMPPJID = xmppJID;
+    [self addQueryInfo:qi withKey:uuid];
+}
+
+- (void)unblockJID:(XMPPJID*)xmppJID
+{
+    XMPPLogTrace();
+    
+    id value = blockingDict[[xmppJID full]];
+    if (value != nil)
+    {
+        [blockingDict removeObjectForKey:[xmppJID full]];
+    }
+    
+    // <iq type='set' id='unblock1'>
+    // <unblock xmlns='urn:xmpp:blocking'>
+    // <item jid='romeo@montague.net'/>
+    // </unblock>
+    // </iq>
+    
+    NSXMLElement *block = [NSXMLElement elementWithName:@"unblock" xmlns:@"urn:xmpp:blocking"];
+    NSXMLElement *item = [NSXMLElement elementWithName:@"item"];
+    [item addAttributeWithName:@"jid" stringValue:[xmppJID full]];
+    [block addChild:item];
+    
+    NSString *uuid = [xmppStream generateUUID];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:block];
+    
+    [xmppStream sendElement:iq];
+    
+    XMPPBlockingQueryInfo *qi = [XMPPBlockingQueryInfo queryInfoWithType:UnblockUser];
+    qi.blockingXMPPJID = xmppJID;
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+- (BOOL)containsJID:(XMPPJID*)xmppJID
+{
+    if (blockingDict[[xmppJID full]])
+    {
+        return true;
+    }
+    return false;
+}
+
+/**
+ * Unblock all.
+ */
+- (void)unblockAll
+{
+    XMPPLogTrace();
+    
+    // <iq type='set' id='unblock2'>
+    // <unblock xmlns='urn:xmpp:blocking'/>
+    // </iq>
+
+     NSXMLElement *block = [NSXMLElement elementWithName:@"unblock" xmlns:@"urn:xmpp:blocking"];
+    
+    NSString *uuid = [xmppStream generateUUID];
+    XMPPIQ *iq = [XMPPIQ iqWithType:@"set" to:nil elementID:uuid child:block];
+    
+    [xmppStream sendElement:iq];
+    
+    XMPPBlockingQueryInfo *qi = [XMPPBlockingQueryInfo queryInfoWithType:UnblockAll];
+	[self addQueryInfo:qi withKey:uuid];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Query Processing
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)addQueryInfo:(XMPPBlockingQueryInfo *)queryInfo withKey:(NSString *)uuid
+{
+	// Setup timer
+	
+	dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+	
+	dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+		
+		[self queryTimeout:uuid];
+	}});
+	
+	dispatch_time_t fireTime = dispatch_time(DISPATCH_TIME_NOW, (QUERY_TIMEOUT * NSEC_PER_SEC));
+	
+	dispatch_source_set_timer(timer, fireTime, DISPATCH_TIME_FOREVER, 1.0);
+	dispatch_resume(timer);
+	
+	queryInfo.timer = timer;
+	
+	// Add to dictionary
+	pendingQueries[uuid] = queryInfo;
+}
+
+- (void)removeQueryInfo:(XMPPBlockingQueryInfo *)queryInfo withKey:(NSString *)uuid
+{
+	// Invalidate timer
+	[queryInfo cancel];
+	
+	// Remove from dictionary
+	[pendingQueries removeObjectForKey:uuid];
+}
+
+- (void)processQuery:(XMPPBlockingQueryInfo *)queryInfo withFailureCode:(XMPPBlockingErrorCode)errorCode
+{
+	NSError *error = [NSError errorWithDomain:XMPPBlockingErrorDomain code:errorCode userInfo:nil];
+    
+	if (queryInfo.type == FetchBlockingList)
+	{
+		[multicastDelegate xmppBlocking:self didNotReceivedBlockingListDueToError:error];
+	}
+	else if (queryInfo.type == BlockUser)
+	{
+		[multicastDelegate xmppBlocking:self didNotBlockJID:queryInfo.blockingXMPPJID error:error];
+	}
+	else if (queryInfo.type == UnblockUser)
+	{
+		[multicastDelegate xmppBlocking:self didNotUnblockJID:queryInfo.blockingXMPPJID error:error];
+	}
+    else if (queryInfo.type == UnblockAll)
+    {
+        [multicastDelegate xmppBlocking:self didNotUnblockAllDueToError:error];
+    }
+}
+
+- (void)queryTimeout:(NSString *)uuid
+{
+	XMPPBlockingQueryInfo *queryInfo = pendingQueries[uuid];
+	if (queryInfo)
+	{
+		[self processQuery:queryInfo withFailureCode:XMPPBlockingQueryTimeout];
+		[self removeQueryInfo:queryInfo withKey:uuid];
+	}
+}
+
+- (void)processQueryResponse:(XMPPIQ *)iq withInfo:(XMPPBlockingQueryInfo *)queryInfo
+{
+	if (queryInfo.type == FetchBlockingList)
+	{
+        // Blocking List Query Response:
+        //
+        // <iq type='result' id='blocklist1'>
+        // <blocklist xmlns='urn:xmpp:blocking'>
+        // <item jid='romeo@montague.net'/>
+        // <item jid='iago@shakespeare.lit'/>
+        // </blocklist>
+        // </iq>
+
+		if ([[iq type] isEqualToString:@"result"])
+		{
+			NSXMLElement *blocklist = [iq elementForName:@"blocklist" xmlns:@"urn:xmpp:blocking"];
+			if (blocklist == nil) return;
+
+			NSArray *listItems = [blocklist elementsForName:@"item"];
+			for (NSXMLElement *listItem in listItems)
+			{
+				NSString *name = [listItem attributeStringValueForName:@"jid"];
+				if (name)
+				{
+					id value = blockingDict[name];
+					if (value == nil)
+					{
+						blockingDict[name] = [NSNull null];
+					}
+				}
+			}
+
+			[multicastDelegate xmppBlocking:self didReceivedBlockingList:[self blockingList]];
+            [self removeQueryInfo:queryInfo withKey:[iq elementID]];
+		}
+		else
+		{
+			[multicastDelegate xmppBlocking:self didNotReceivedBlockingListDueToError:iq];
+		}
+	}
+    else if (queryInfo.type == BlockUser)
+    {
+        // <iq type='result' id='block1'/>
+    
+        if ([[iq type] isEqualToString:@"result"])
+		{
+            [self removeQueryInfo:queryInfo withKey:[iq elementID]];
+            [multicastDelegate xmppBlocking:self didBlockJID:queryInfo.blockingXMPPJID];
+        }
+        else
+        {
+            [blockingDict removeObjectForKey:[queryInfo.blockingXMPPJID full]];
+            [multicastDelegate xmppBlocking:self didNotBlockJID:queryInfo.blockingXMPPJID error:iq];
+        }
+    }
+    else if (queryInfo.type == UnblockUser)
+    {
+        // <iq type='result' id='unblock1'/>
+        
+        if ([[iq type] isEqualToString:@"result"])
+		{
+             [self removeQueryInfo:queryInfo withKey:[iq elementID]];
+            [multicastDelegate xmppBlocking:self didUnblockJID:queryInfo.blockingXMPPJID];
+        }
+        else
+        {
+            XMPPBlockingQueryInfo *queryInfo = pendingQueries[[iq elementID]];
+            
+            id value = blockingDict[[queryInfo.blockingXMPPJID full]];
+            if (value == nil)
+            {
+                blockingDict[[queryInfo.blockingXMPPJID full]] = [NSNull null];
+            }
+            
+            [multicastDelegate xmppBlocking:self didNotBlockJID:queryInfo.blockingXMPPJID error:iq];
+        }
+    }
+    else if (queryInfo.type == UnblockAll)
+    {
+        // <iq type='result' id='unblock2'/>
+        
+        if ([[iq type] isEqualToString:@"result"])
+		{
+            [self removeQueryInfo:queryInfo withKey:[iq elementID]];
+            [multicastDelegate xmppBlocking:self didUnblockAllWithError:nil];
+        }
+        else
+        {
+            XMPPBlockingQueryInfo *queryInfo = pendingQueries[[iq elementID]];
+            
+            id value = blockingDict[[queryInfo.blockingXMPPJID full]];
+            if (value == nil)
+            {
+                blockingDict[queryInfo.blockingXMPPJID] = [NSNull null];
+            }
+            
+            [multicastDelegate xmppBlocking:self didNotUnblockAllDueToError:iq];
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	if (self.autoRetrieveBlockingListItems)
+	{
+		[self retrieveBlockingListItems];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"set"])
+	{
+		NSXMLElement *block = [iq elementForName:@"block" xmlns:@"urn:xmpp:blocking"];
+        NSXMLElement *unblock = [iq elementForName:@"unblock" xmlns:@"urn:xmpp:blocking"];
+
+		if (block || unblock)
+		{
+            NSXMLElement *list = [block elementForName:@"item"];
+            
+            if (!list)
+            {
+                list = [unblock elementForName:@"item"];
+            }
+            
+            NSString *itemName = [list attributeStringValueForName:@"jid"];
+			if (itemName == nil)
+			{
+				return NO;
+			}
+            
+            [multicastDelegate xmppBlocking:self didReceivePushWithBlockingList:itemName];
+			
+			XMPPIQ *iqResponse = [XMPPIQ iqWithType:@"result" to:[iq from] elementID:[iq elementID]];
+			[xmppStream sendElement:iqResponse];
+			
+			if (self.autoRetrieveBlockingListItems)
+			{
+				[self retrieveBlockingListItems];
+			}
+			
+			return YES;
+		}
+	}
+	else
+	{
+		// This may be a response to a query we sent
+		
+		XMPPBlockingQueryInfo *queryInfo = pendingQueries[[iq elementID]];
+
+        
+		if (queryInfo)
+		{
+			[self processQueryResponse:iq withInfo:queryInfo];
+
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+-(void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	// If there are any pending queries,
+	// they just failed due to the disconnection.
+	
+	for (NSString *uuid in pendingQueries)
+	{
+		XMPPBlockingQueryInfo *queryInfo = pendingQueries[uuid];
+		
+		[self processQuery:queryInfo withFailureCode:XMPPBlockingDisconnect];
+	}
+	
+	// Clear the list of pending queries
+	
+	[pendingQueries removeAllObjects];
+	
+	// Maybe clear all stored blocking info
+	
+	if (self.autoClearBlockingListInfo)
+	{
+		[self clearBlockingListInfo];
+	}
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPBlockingQueryInfo
+
+@synthesize type;
+@synthesize blockingXMPPJID;
+@synthesize blockingListItems;
+@synthesize timer;
+
+- (id)initWithType:(XMPPBlockingQueryInfoType)aType jid:(XMPPJID *)jid items:(NSArray *)items
+{
+	if ((self = [super init]))
+	{
+		type = aType;
+		blockingXMPPJID = [jid copy];
+		blockingListItems = [items copy];
+	}
+	return self;
+}
+
+- (void)cancel
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+#endif
+		timer = NULL;
+	}
+}
+
+- (void)dealloc
+{
+	[self cancel];
+}
+
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type
+{
+	return [self queryInfoWithType:type jid:nil items:nil];
+}
+
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type jid:(XMPPJID *)jid
+{
+	return [self queryInfoWithType:type jid:jid items:nil];
+}
+
++ (XMPPBlockingQueryInfo *)queryInfoWithType:(XMPPBlockingQueryInfoType)type jid:(XMPPJID *)jid items:(NSArray *)items
+{
+	return [[XMPPBlockingQueryInfo alloc] initWithType:type jid:jid items:items];
+}
+
+@end
diff --git a/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.h b/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.h
new file mode 100644
index 0000000..b8e4999
--- /dev/null
+++ b/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.h	
@@ -0,0 +1,14 @@
+#import <Foundation/Foundation.h>
+#import "XMPPStreamManagement.h"
+
+/**
+ * This class provides an in-memory only storage system for XMPPStreamManagement.
+ * As such, it will only support stream resumption so long as the application doesn't terminate.
+ *
+ * This class should be considered primarily for testing.
+ * An application making use of stream management should likely transition
+ * to a persistent storage layer before distribution.
+**/
+@interface XMPPStreamManagementMemoryStorage : NSObject <XMPPStreamManagementStorage>
+
+@end
diff --git a/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.m b/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.m
new file mode 100644
index 0000000..8a4397a
--- /dev/null
+++ b/Extensions/XEP-0198/Memory Storage/XMPPStreamManagementMemoryStorage.m	
@@ -0,0 +1,211 @@
+#import "XMPPStreamManagementMemoryStorage.h"
+#import <libkern/OSAtomic.h>
+
+
+@interface XMPPStreamManagementMemoryStorage ()
+
+@property (atomic, weak, readwrite) XMPPStreamManagement *parent;
+@end
+
+#pragma mark -
+
+@implementation XMPPStreamManagementMemoryStorage
+{
+	int32_t isConfigured;
+	
+	NSString *resumptionId;
+	uint32_t timeout;
+	
+	NSDate *lastDisconnect;
+	uint32_t lastHandledByClient;
+	uint32_t lastHandledByServer;
+	NSArray *pendingOutgoingStanzas;
+	
+}
+
+- (BOOL)configureWithParent:(XMPPStreamManagement *)parent queue:(dispatch_queue_t)queue
+{
+	// This implementation only supports a single xmppStream.
+	// You must create multiple instances for multiple xmppStreams.
+	
+	return OSAtomicCompareAndSwap32(0, 1, &isConfigured);
+}
+
+/**
+ * Invoked after we receive <enabled/> from the server.
+ * 
+ * @param resumptionId
+ *   The ID required to resume the session, given to us by the server.
+ *   
+ * @param timeout
+ *   The timeout in seconds.
+ *   After a disconnect, the server will maintain our state for this long.
+ *   If we attempt to resume the session after this timeout it likely won't work.
+ * 
+ * @param lastDisconnect
+ *   Used to reset the lastDisconnect value.
+ *   This value is often updated during the session, to ensure it closely resemble the date the server will use.
+ *   That is, if the client application is killed (or crashes) we want a relatively accurate lastDisconnect date.
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+ * 
+ * This method should also nil out the following values (if needed) associated with the account:
+ * - lastHandledByClient
+ * - lastHandledByServer
+ * - pendingOutgoingStanzas
+**/
+- (void)setResumptionId:(NSString *)inResumptionId
+                timeout:(uint32_t)inTimeout
+         lastDisconnect:(NSDate *)inLastDisconnect
+              forStream:(XMPPStream *)stream
+{
+	resumptionId = inResumptionId;
+	timeout = inTimeout;
+	lastDisconnect = inLastDisconnect;
+	
+	lastHandledByClient = 0;
+	lastHandledByServer = 0;
+	pendingOutgoingStanzas = nil;
+}
+
+/**
+ * This method is invoked ** often ** during stream operation.
+ * It is not invoked when the xmppStream is disconnected.
+ *
+ * Important: See the note [in XMPPStreamManagement.h]: "Optimizing storage demands during active stream usage"
+ * 
+ * @param date
+ *   Updates the previous lastDisconnect value.
+ *
+ * @param lastHandledByClient
+ *   The most recent 'h' value we can safely send to the server.
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)inLastDisconnect
+      lastHandledByClient:(uint32_t)inLastHandledByClient
+                forStream:(XMPPStream *)stream
+{
+	lastDisconnect = inLastDisconnect;
+	lastHandledByClient = inLastHandledByClient;
+}
+
+/**
+ * This method is invoked ** often ** during stream operation.
+ * It is not invoked when the xmppStream is disconnected.
+ * 
+ * Important: See the note [in XMPPStreamManagement.h]: "Optimizing storage demands during active stream usage"
+ *
+ * @param date
+ *   Updates the previous lastDisconnect value.
+ *
+ * @param lastHandledByServer
+ *   The most recent 'h' value we've received from the server.
+ *
+ * @param pendingOutgoingStanzas
+ *   An array of XMPPStreamManagementOutgoingStanza objects.
+ *   The storage layer is in charge of properly persisting this array, including:
+ *   - the array count
+ *   - the stanzaId of each element, including those that are nil
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)inLastDisconnect
+      lastHandledByServer:(uint32_t)inLastHandledByServer
+   pendingOutgoingStanzas:(NSArray *)inPendingOutgoingStanzas
+                forStream:(XMPPStream *)stream
+{
+	lastDisconnect = inLastDisconnect;
+	lastHandledByServer = inLastHandledByServer;
+	pendingOutgoingStanzas = inPendingOutgoingStanzas;
+}
+
+/**
+ * This method is invoked immediately after an accidental disconnect.
+ * And may be invoked post-disconnect if the state changes, such as for the following edge cases:
+ * 
+ * - due to continued processing of stanzas received pre-disconnect,
+ *   that are just now being marked as handled by the delegate(s)
+ * - due to a delayed response from the delegate(s),
+ *   such that we didn't receive the stanzaId for an outgoing stanza until after the disconnect occurred.
+ * 
+ * This method is not invoked if stream management is started on a connected xmppStream.
+ *
+ * @param date
+ *   This value will be the actual disconnect date.
+ * 
+ * @param lastHandledByClient
+ *   The most recent 'h' value we can safely send to the server.
+ * 
+ * @param lastHandledByServer
+ *   The most recent 'h' value we've received from the server.
+ * 
+ * @param pendingOutgoingStanzas
+ *   An array of XMPPStreamManagementOutgoingStanza objects.
+ *   The storage layer is in charge of properly persisting this array, including:
+ *   - the array count
+ *   - the stanzaId of each element, including those that are nil
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)inLastDisconnect
+      lastHandledByClient:(uint32_t)inLastHandledByClient
+      lastHandledByServer:(uint32_t)inLastHandledByServer
+   pendingOutgoingStanzas:(NSArray *)inPendingOutgoingStanzas
+                forStream:(XMPPStream *)stream
+{
+	lastDisconnect = inLastDisconnect;
+	lastHandledByClient = inLastHandledByClient;
+	lastHandledByServer = inLastHandledByServer;
+	pendingOutgoingStanzas = inPendingOutgoingStanzas;
+}
+
+/**
+ * Invoked when the extension needs values from a previous session.
+ * This method is used to get values needed in order to determine if it can resume a previous stream.
+**/
+- (void)getResumptionId:(NSString **)resumptionIdPtr
+                timeout:(uint32_t *)timeoutPtr
+         lastDisconnect:(NSDate **)lastDisconnectPtr
+              forStream:(XMPPStream *)stream
+{
+	if (resumptionIdPtr)   *resumptionIdPtr   = resumptionId;
+	if (timeoutPtr)        *timeoutPtr        = timeout;
+	if (lastDisconnectPtr) *lastDisconnectPtr = lastDisconnect;
+}
+
+/**
+ * Invoked when the extension needs values from a previous session.
+ * This method is used to get values needed in order to resume a previous stream.
+**/
+- (void)getLastHandledByClient:(uint32_t *)lastHandledByClientPtr
+           lastHandledByServer:(uint32_t *)lastHandledByServerPtr
+        pendingOutgoingStanzas:(NSArray **)pendingOutgoingStanzasPtr
+                     forStream:(XMPPStream *)stream;
+{
+	if (lastHandledByClientPtr)    *lastHandledByClientPtr    = lastHandledByClient;
+	if (lastHandledByServerPtr)    *lastHandledByServerPtr    = lastHandledByServer;
+	if (pendingOutgoingStanzasPtr) *pendingOutgoingStanzasPtr = pendingOutgoingStanzas;
+}
+
+/**
+ * Instructs the storage layer to remove all values stored for the given stream.
+ * This occurs after the extension detects a "cleanly closed stream",
+ * in which case the stream cannot be resumed next time.
+**/
+- (void)removeAllForStream:(XMPPStream *)stream
+{
+	resumptionId = nil;
+	timeout = 0;
+	
+	lastDisconnect = nil;
+	lastHandledByClient = 0;
+	lastHandledByServer = 0;
+	pendingOutgoingStanzas = nil;
+}
+
+@end
diff --git a/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.h b/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.h
new file mode 100644
index 0000000..78732ef
--- /dev/null
+++ b/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.h
@@ -0,0 +1,35 @@
+#import <Foundation/Foundation.h>
+#import "XMPPElement.h"
+
+/**
+ * An outgoing stanza.
+ *
+ * The translation from element to stanzaId may be an asynchronous process,
+ * so this structure is used to assist in the process.
+**/
+@interface XMPPStreamManagementOutgoingStanza : NSObject <NSCopying, NSCoding>
+
+- (instancetype)initAwaitingStanzaId;
+- (instancetype)initWithStanzaId:(id)stanzaId;
+
+@property (nonatomic, strong, readwrite) id stanzaId;
+@property (nonatomic, assign, readwrite) BOOL awaitingStanzaId;
+
+@end
+
+#pragma mark -
+
+/**
+ * An incoming stanza.
+ * 
+ * The translation from element to stanzaId may be an asynchronous process,
+ * so this structure is used to assist in the process.
+**/
+@interface XMPPStreamManagementIncomingStanza : NSObject
+
+- (instancetype)initWithStanzaId:(id)stanzaId isHandled:(BOOL)isHandled;
+
+@property (nonatomic, strong, readwrite) id stanzaId;
+@property (nonatomic, assign, readwrite) BOOL isHandled;
+
+@end
diff --git a/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.m b/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.m
new file mode 100644
index 0000000..e36f888
--- /dev/null
+++ b/Extensions/XEP-0198/Private/XMPPStreamManagementStanzas.m
@@ -0,0 +1,85 @@
+#import "XMPPStreamManagementStanzas.h"
+
+
+@implementation XMPPStreamManagementOutgoingStanza
+
+@synthesize awaitingStanzaId = awaitingStanzaId;
+@synthesize stanzaId = stanzaId;
+
+/**
+ * Use when the stanzaId is unknown, and we are awaiting a stanzaId from the delegate(s).
+**/
+- (instancetype)initAwaitingStanzaId
+{
+	if ((self = [super init]))
+	{
+		awaitingStanzaId = YES;
+	}
+	return self;
+}
+
+/**
+ * Use when the stanzaId is known, meaning we are NOT awaiting a stanzaId from the delegate(s).
+ * The stanzaId may be nil.
+**/
+- (instancetype)initWithStanzaId:(id)inStanzaId
+{
+	if ((self = [super init]))
+	{
+		stanzaId = inStanzaId;
+		awaitingStanzaId = NO;
+	}
+	return self;
+}
+
+/* NSCopying */
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	XMPPStreamManagementOutgoingStanza *copy = [[XMPPStreamManagementOutgoingStanza alloc] init];
+	copy->awaitingStanzaId = awaitingStanzaId;
+	copy->stanzaId = stanzaId;
+	
+	return copy;
+}
+
+/* NSCoding */
+
+- (id)initWithCoder:(NSCoder *)decoder
+{
+	if ((self = [super init]))
+	{
+		awaitingStanzaId = [decoder decodeBoolForKey:@"awaitingStanzaId"];
+		stanzaId = [decoder decodeObjectForKey:@"stanzaId"];
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	[coder encodeBool:awaitingStanzaId forKey:@"awaitingStanzaId"];
+	[coder encodeObject:stanzaId forKey:@"stanzaId"];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStreamManagementIncomingStanza
+
+@synthesize stanzaId = stanzaId;
+@synthesize isHandled = isHandled;
+
+- (instancetype)initWithStanzaId:(id)inStanzaId isHandled:(BOOL)inIsHandled
+{
+	if ((self = [super init]))
+	{
+		stanzaId = inStanzaId;
+		isHandled = inIsHandled;
+	}
+	return self;
+}
+
+@end
diff --git a/Extensions/XEP-0198/XMPPStreamManagement.h b/Extensions/XEP-0198/XMPPStreamManagement.h
new file mode 100644
index 0000000..f49fec4
--- /dev/null
+++ b/Extensions/XEP-0198/XMPPStreamManagement.h
@@ -0,0 +1,617 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_STREAM_MANAGEMENT_H
+
+@protocol XMPPStreamManagementStorage;
+
+
+@interface XMPPStreamManagement : XMPPModule <XMPPCustomBinding>
+
+/**
+ * The XMPPStreamManagement extension implements XEP-0198:
+ * http://xmpp.org/extensions/xep-0198.html
+ *
+ * @param storage
+ *   You must configure the extension with a storage module.
+ *   A persistent storage layer is recommended for distribution.
+ *   For testing, or if you're not planning on using stream resumption, then the memory storage solution will work.
+ * 
+ * @param queue
+ *   The standard dispatch_queue option, with which to run the extension on.
+**/
+- (id)initWithStorage:(id <XMPPStreamManagementStorage>)storage;
+- (id)initWithStorage:(id <XMPPStreamManagementStorage>)storage dispatchQueue:(dispatch_queue_t)queue;
+
+@property (nonatomic, strong, readonly) id <XMPPStreamManagementStorage> storage;
+
+#pragma mark Enable
+
+/**
+ * This method sends the <enable> stanza to the server to request enabling stream management.
+ *
+ * XEP-0198 specifies that the <enable> stanza should only be sent by clients after authentication,
+ * and after binding has occurred.
+ * 
+ * The servers response is reported via the delegate methods:
+ * @see xmppStreamManagement:wasEnabled:
+ * @see xmppStreamManagement:wasNotEnabled:
+ *
+ * @param supportsResumption
+ *   Whether the client should request resumptions support.
+ *   If YES, the resume attribute will be included. E.g. <enable resume='true'/>
+ * 
+ * @param maxTimeout
+ *   Allows you to specify the client's preferred maximum resumption time.
+ *   This is optional, and will only be sent if you provide a positive value (maxTimeout > 0.0).
+ *   Note that XEP-0198 only supports sending this value in seconds.
+ *   So it the provided maxTimeout includes millisecond precision, this will be ignored via truncation
+ *   (rounding down to nearest whole seconds value).
+ * 
+ * @see supportsStreamManagement
+**/
+- (void)enableStreamManagementWithResumption:(BOOL)supportsResumption maxTimeout:(NSTimeInterval)maxTimeout;
+
+#pragma mark Resume
+
+/**
+ * If set to YES, then the extension will automatically attempt to resume any sessions that appear resumable.
+ *
+ * That is, if the canResumeStream method would return YES, then the module will automatically plug into the xmppStream,
+ * and attempts to resume the session. If the attempt fails, the xmppStream will automatically fall back to
+ * the standard binding process.
+ *
+ * Remember: If the extension does not believe that resumption is possible, then it won't attempt to resume.
+ * That is, if it doesn't have data in storage that matches the current connection, or the data is expired,
+ * then it allows the xmppStream to perform standard binding immediately, without attempting to resume.
+ *
+ * If you wish to handle stream resumption manually, then you can simply implement xmppStreamWillBind:,
+ * and return this extension instance according to your own conditions.
+ * 
+ * In order to determine if a stream was resumed, you should invoke didResumeWithAckedStanzaIds:serverResponse:
+ * from within the xmppStreamDidAuthenticate: callback.
+ *
+ * The default value is NO.
+**/
+@property (atomic, readwrite) BOOL autoResume;
+
+/**
+ * This method is meant to be called by other extensions when they receive an xmppStreamDidAuthenticate callback.
+ * 
+ * Returns YES if the stream was resumed during the authentication process.
+ * Returns NO otherwise (if resume wasn't available, or it failed).
+ * 
+ * Other extensions may wish to skip certain setup processes that aren't
+ * needed if the stream was resumed (since the previous session state has been restored server-side).
+**/
+@property (atomic, readonly) BOOL didResume;
+
+/**
+ * This method is meant to be called when you receive an xmppStreamDidAuthenticate callback.
+ *
+ * It is used instead of a standard delegate method in order to provide a cleaner API.
+ * By using this method, one can put all the logic for handling authentication in a single place.
+ * But more importantly, it solves several subtle timing and threading issues.
+ *
+ * > A delegate method could have hit either before or after xmppStreamDidAuthenticate, depending on thread scheduling.
+ * > We could have queued it up, and forced it to hit after.
+ * > But your code would likely still have needed to add a check within xmppStreamDidAuthenticate...
+ *
+ * @param stanzaIdsPtr (optional)
+ *   Just like the stanzaIdsPtr provided in xmppStreamManagement:didReceiveAckForStanzaIds:.
+ *   This comes from the h value provided within the <resumed h='X'/> stanza sent by the server.
+ * 
+ * @param responsePtr (optional)
+ *   Returns the response we got from the server. Either <resumed/> or <failed/>.
+ *   This will be nil if resume wasn't tried.
+ * 
+ * @return
+ *   YES if the stream was resumed.
+ *   NO otherwise.
+**/
+- (BOOL)didResumeWithAckedStanzaIds:(NSArray **)stanzaIdsPtr
+					 serverResponse:(NSXMLElement **)responsePtr;
+
+/**
+ * Returns YES if the stream can be resumed.
+ * 
+ * This would be the case if there's an available resumptionId for the authenticated xmppStream,
+ * and the timeout from the last stream has not been exceeded.
+**/
+- (BOOL)canResumeStream;
+
+
+#pragma mark Requesting Acks
+
+/**
+ * Sends a request <r/> element, requesting the server reply with an ack <a h='lastHandled'/>.
+ * 
+ * You can also configure the extension to automatically sends requests.
+ * @see automaticallyRequestAcksAfterStanzaCount:orTimeout:
+ *
+ * When the server replies with an ack, the delegate method will be invoked.
+ * @see xmppStreamManagement:didReceiveAckForStanzaIds:
+**/
+- (void)requestAck;
+
+/**
+ * The module can be configured to automatically request acks (send <r/>) based on your criteria.
+ * The algorithm to do this takes into account:
+ *
+ * - The number of stanzas that have been sent since the last request was sent.
+ * - The amount of time that has elapsed since the first stanza (after the last request) was sent.
+ * 
+ * So, for example, if you set the stanzaCount to 5, and the timeout to 2.0 seconds then:
+ * - Sending 5 stanzas back-to-back will automatically trigger an outgoing request
+ * - Sending 1 stanza will automatically trigger an outgoing request to be sent 2.0 seconds later,
+ *   which will get preempted if 4 more stanzas are sent before the 2.0 second timer expires.
+ * 
+ * In other words, whichever event takes place FIRST will trigger the request to be sent.
+ * 
+ * You can disable either trigger by setting its value to zero.
+ * So, for example, if you only want to use a timeout of 5 seconds,
+ * then you could set the stanzaCount to zero and the timeout to 5 seconds.
+ *
+ * @param stanzaCount
+ *   The stanzaCount to use for the auto request algorithm.
+ *   If stanzaCount is zero, then the number of stanzas will be ignored in the algorithm.
+ *
+ * @param timeout
+ *   The timeout to use for the auto request algorithm.
+ *   If the timeout is zero (or negative), then the timer will be ignored in the algorithm.
+ *
+ * The default stanzaCount is 0 (disabled).
+ * The default timeout is 0.0 seconds (disabled).
+**/
+- (void)automaticallyRequestAcksAfterStanzaCount:(NSUInteger)stanzaCount orTimeout:(NSTimeInterval)timeout;
+
+/**
+ * Returns the current auto-request configuration.
+ *
+ * @see automaticallyRequestAcksAfterStanzaCount:orTimeout:
+**/
+- (void)getAutomaticallyRequestAcksAfterStanzaCount:(NSUInteger *)stanzaCountPtr orTimeout:(NSTimeInterval *)timeoutPtr;
+
+
+#pragma mark Sending Acks
+
+/**
+ * Sends an unrequested ack <a h='lastHandled'/> element, acking the server's recently received (and handled) elements.
+ *
+ * You can also configure the extension to automatically sends acks.
+ * @see automaticallySendAcksAfterStanzaCount:orTimeout:
+ * 
+ * Keep in mind that the extension will automatically send an ack if it receives an explicit request.
+**/
+- (void)sendAck;
+
+/**
+ * The module can be configured to automatically send unrequested acks.
+ * That is, rather than waiting to receive explicit requests <r/> from the server,
+ * the client automatically sends them based on configurable criteria.
+ * 
+ * The algorithm to do this takes into account:
+ *
+ * - The number of stanzas that have been received since the last ack was sent.
+ * - The amount of time that has elapsed since the first stanza (after the last ack) was received.
+ * 
+ * In other words, whichever event takes place FIRST will trigger the request to be sent.
+ * You can disable either trigger by setting its value to zero.
+ * 
+ * As would be expected, if you manually send an unrequested ack (via the sendAck method),
+ * or if an ack is sent out in response to a received request </r> from the server,
+ * then the stanzaCount & timeout are reset.
+ *
+ * @param stanzaCount
+ *   The stanzaCount to use for the auto ack algorithm.
+ *   If stanzaCount is zero, then the number of stanzas will be ignored in the algorithm.
+ * 
+ * @param timeout
+ *   The timeout to sue fo the auto ack algorithm.
+ *   If the timeout is zero (or negative), then the timer will be ignored in the algorithm.
+ * 
+ * The default stanzaCount is 0 (disabled).
+ * The default timeout is 0.0 seconds (disabled).
+**/
+- (void)automaticallySendAcksAfterStanzaCount:(NSUInteger)stanzaCount orTimeout:(NSTimeInterval)timeout;
+
+/**
+ * Returns the current "auto-send unrequested acks" configuration.
+ * 
+ * @see automaticallySendAcksAfterStanzaCount:orTimeout:
+**/
+- (void)getAutomaticallySendAcksAfterStanzaCount:(NSUInteger *)stanzaCountPtr orTimeout:(NSTimeInterval *)timeoutPtr;
+
+/**
+ * If an explicit request <r/> is received from the server, should we delay sending the ack <a/> ?
+ * From XEP-0198 :
+ * 
+ * > When an <r/> element ("request") is received, the recipient MUST acknowledge it by sending an <a/> element
+ * > to the sender containing a value of 'h' that is equal to the number of stanzas handled by the recipient of
+ * > the <r/> element. The response SHOULD be sent as soon as possible after receiving the <r/> element,
+ * > and MUST NOT be withheld for any condition other than a timeout. For example, a client with a slow connection
+ * > might want to collect many stanzas over a period of time before acking, and a server might want to throttle
+ * > incoming stanzas.
+ * 
+ * Thus the XEP recommends that you do not use a delay.
+ * However, it acknowledges that there may be certain situations in which a delay could prove helpful.
+ *
+ * The default value is 0.0 (as recommended by XEP-0198)
+**/
+@property (atomic, assign, readwrite) NSTimeInterval ackResponseDelay;
+
+/**
+ * It's critically important to understand what an ACK means.
+ *
+ * Every ACK contains an 'h' attribute, which stands for "handled".
+ * To paraphrase XEP-0198 (in client-side terminology):
+ * 
+ *   Acknowledging a previously ­received element indicates that the stanza has been "handled" by the client.
+ *   By "handled" we mean that the client has successfully processed the stanza
+ *   (including possibly saving the item to the database if needed);
+ *   Until a stanza has been affirmed as handled by the client, that stanza is the responsibility of the server
+ *   (e.g., to resend it or generate an error if it is never affirmed as handled by the client).
+ * 
+ * This means that if your processing of certain elements includes saving them to a database,
+ * then you should not mark those elements as handled until after your database has confirmed the data is on disk.
+ * 
+ * You should note that this is a critical component of any networking app that claims to have "reliable messaging".
+ * 
+ * By default, all elements will be marked as handled as soon as they arrive.
+ * You'll want to override the default behavior for important elements that require proper handling by your app.
+ * For example, messages that need to be saved to the database.
+ * Here's how to do so:
+ * 
+ * - Implement the delegate method xmppStreamManagement:getIsHandled:stanzaId:forReceivedElement:
+ *
+ *   This method is invoked for all received elements.
+ *   You can inspect the element, and if it is important and requires special handling by the app,
+ *   then flag the element as NOT handled (overriding the default).
+ *   Also assign the element a "stanzaId". This can be anything you want, such as the elementID,
+ *   or maybe something more app-specific (e.g. something you already use that's associated with the message).
+ * 
+ * - Handle the important element however you need to
+ * 
+ *   If you're saving something to the database,
+ *   then wait until after the database commit has completed successfully.
+ *
+ * - Notify the module that the element has been handled via the method markHandledStanzaId:
+ * 
+ *   You must pass the stanzaId that you returned from the delegate method.
+ *
+ * 
+ * @see xmppStreamManagement:getIsHandled:stanzaId:forReceivedElement:
+**/
+- (void)markHandledStanzaId:(id)stanzaId;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPStreamManagementDelegate
+@optional
+
+/**
+ * Notifies delegates of the server's response from sending the <enable> stanza.
+**/
+- (void)xmppStreamManagement:(XMPPStreamManagement *)sender wasEnabled:(NSXMLElement *)enabled;
+- (void)xmppStreamManagement:(XMPPStreamManagement *)sender wasNotEnabled:(NSXMLElement *)failed;
+
+/**
+ * Notifies delegates that a request <r/> for an ack from the server was sent.
+**/
+- (void)xmppStreamManagementDidRequestAck:(XMPPStreamManagement *)sender;
+
+/**
+ * Invoked when an ack is received from the server, and new stanzas have been acked.
+ * 
+ * @param stanzaIds
+ *   Includes all "stanzaIds" of sent elements that were just acked.
+ *
+ * What is a "stanzaId" ?
+ * 
+ * A stanzaId is a unique identifier that ** YOU can provide ** in order to track an element.
+ * It could simply be the elementId of the sent element. Or,
+ * it could be something custom that you provide in order to properly lookup a message in your data store.
+ * 
+ * For more information, see the delegate method xmppStreamManagement:stanzaIdForSentElement:
+**/
+- (void)xmppStreamManagement:(XMPPStreamManagement *)sender didReceiveAckForStanzaIds:(NSArray *)stanzaIds;
+
+/**
+ * XEP-0198 reports the following regarding duplicate stanzas:
+ *
+ *     Because unacknowledged stanzas might have been received by the other party,
+ *     resending them might result in duplicates; there is no way to prevent such a
+ *     result in this protocol, although use of the XMPP 'id' attribute on all stanzas
+ *     can at least assist the intended recipients in weeding out duplicate stanzas.
+ * 
+ * In other words, there are edge cases in which you might receive duplicates.
+ * And the proper way to fix this is to use some kind of identifier in order to detect duplicates.
+ * 
+ * What kind of identifier to use is up to you. (It's app specific.)
+ * The XEP notes that you might use the 'id' attribute for this purpose. And this is certainly the most common case.
+ * However, you may have an alternative scheme that works better for your purposes.
+ * In which case you can use this delegate method to opt-in.
+ * 
+ * For example:
+ *   You store all your messages in YapDatabase, which is a collection/key/value storage system.
+ *   Perhaps the collection is the conversationId, and the key is a messageId.
+ *   Therefore, to efficiently lookup a message in your datastore you'd prefer a collection/key tuple.
+ *
+ *   To achieve this, you would implement this method, and return a YapCollectionKey object for message elements.
+ *   This way, when the xmppStreamManagement:didReceiveAckForStanzaIds: method is invoked,
+ *   you'll get a list that contains your collection/key tuple objects. And then you can quickly and efficiently
+ *   fetch and update your message objects.
+ * 
+ * If there are no delegates that implement this method,
+ * or all delegates return nil, then the stanza's elementId is used as the stanzaId.
+ *
+ * If the stanza isn't assigned a stanzaId (via a delegate method),
+ * and it doesn't have an elementId, then it isn't reported in the acked stanzaIds array.
+**/
+- (id)xmppStreamManagement:(XMPPStreamManagement *)sender stanzaIdForSentElement:(XMPPElement *)element;
+
+/**
+ * It's critically important to understand what an ACK means.
+ *
+ * Every ACK contains an 'h' attribute, which stands for "handled".
+ * To paraphrase XEP-0198 (in client-side terminology):
+ *
+ *   Acknowledging a previously ­received element indicates that the stanza has been "handled" by the client.
+ *   By "handled" we mean that the client has successfully processed the stanza
+ *   (including possibly saving the item to the database if needed);
+ *   Until a stanza has been affirmed as handled by the client, that stanza is the responsibility of the server
+ *   (e.g., to resend it or generate an error if it is never affirmed as handled by the client).
+ *
+ * This means that if your processing of certain elements includes saving them to a database,
+ * then you should not mark those elements as handled until after your database has confirmed the data is on disk.
+ *
+ * You should note that this is a critical component of any networking app that claims to have "reliable messaging".
+ *
+ * By default, all elements will be marked as handled as soon as they arrive.
+ * You'll want to override the default behavior for important elements that require proper handling by your app.
+ * For example, messages that need to be saved to the database.
+ * Here's how to do so:
+ *
+ * - Implement the delegate method xmppStreamManagement:getIsHandled:stanzaId:forReceivedElement:
+ *
+ *   This method is invoked for all received elements.
+ *   You can inspect the element, and if it is important and requires special handling by the app,
+ *   then flag the element as NOT handled (overriding the default).
+ *   Also assign the element a "stanzaId". This can be anything you want, such as the elementID,
+ *   or maybe something more app-specific (e.g. something you already use that's associated with the message).
+ *
+ * - Handle the important element however you need to
+ *
+ *   If you're saving something to the database,
+ *   then wait until after the database commit has completed successfully.
+ *
+ * - Notify the module that the element has been handled via the method markHandledStanzaId:
+ *
+ *   You must pass the stanzaId that you returned from this delegate method.
+ *
+ *
+ * @see markHandledStanzaId:
+**/
+- (void)xmppStreamManagement:(XMPPStreamManagement *)sender
+                getIsHandled:(BOOL *)isHandledPtr
+                    stanzaId:(id *)stanzaIdPtr
+          forReceivedElement:(XMPPElement *)element;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPStreamManagementStorage <NSObject>
+@required
+
+//
+//
+// -- PRIVATE METHODS --
+//
+// These methods are designed to be used ONLY by the XMPPStreamManagement class.
+//
+//
+
+/**
+ * Configures the storage class, passing it's parent and the parent's dispatch queue.
+ *
+ * This method is called by the init methods of the XMPPStreamManagement class.
+ * This method is designed to inform the storage class of it's parent
+ * and of the dispatch queue the parent will be operating on.
+ *
+ * A storage class may choose to operate on the same queue as it's parent,
+ * as the majority of the time it will be getting called by the parent.
+ * If both are operating on the same queue, the combination may run faster.
+ *
+ * Some storage classes support multiple xmppStreams,
+ * and may choose to operate on their own internal queue.
+ *
+ * This method should return YES if it was configured properly.
+ * It should return NO only if configuration failed.
+ * For example, a storage class designed to be used only with a single xmppStream is being added to a second stream.
+**/
+- (BOOL)configureWithParent:(XMPPStreamManagement *)parent queue:(dispatch_queue_t)queue;
+
+/**
+ * Invoked after we receive <enabled/> from the server.
+ * 
+ * @param resumptionId
+ *   The ID required to resume the session, given to us by the server.
+ *   
+ * @param timeout
+ *   The timeout in seconds.
+ *   After a disconnect, the server will maintain our state for this long.
+ *   If we attempt to resume the session after this timeout it likely won't work.
+ * 
+ * @param lastDisconnect
+ *   Used to reset the lastDisconnect value.
+ *   This value is often updated during the session, to ensure it closely resemble the date the server will use.
+ *   That is, if the client application is killed (or crashes) we want a relatively accurate lastDisconnect date.
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+ * 
+ * This method should also nil out the following values (if needed) associated with the account:
+ * - lastHandledByClient
+ * - lastHandledByServer
+ * - pendingOutgoingStanzas
+**/
+- (void)setResumptionId:(NSString *)resumptionId
+                timeout:(uint32_t)timeout
+         lastDisconnect:(NSDate *)date
+              forStream:(XMPPStream *)stream;
+
+/**
+ * This method is invoked ** often ** during stream operation.
+ * It is not invoked when the xmppStream is disconnected.
+ *
+ * Important: See the note below: "Optimizing storage demands during active stream usage"
+ * 
+ * @param date
+ *   Updates the previous lastDisconnect value.
+ *
+ * @param lastHandledByClient
+ *   The most recent 'h' value we can safely send to the server.
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)date
+      lastHandledByClient:(uint32_t)lastHandledByClient
+                forStream:(XMPPStream *)stream;
+
+/**
+ * This method is invoked ** often ** during stream operation.
+ * It is not invoked when the xmppStream is disconnected.
+ * 
+ * Important: See the note below: "Optimizing storage demands during active stream usage"
+ *
+ * @param date
+ *   Updates the previous lastDisconnect value.
+ *
+ * @param lastHandledByServer
+ *   The most recent 'h' value we've received from the server.
+ *
+ * @param pendingOutgoingStanzas
+ *   An array of XMPPStreamManagementOutgoingStanza objects.
+ *   The storage layer is in charge of properly persisting this array, including:
+ *   - the array count
+ *   - the stanzaId of each element, including those that are nil
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)date
+      lastHandledByServer:(uint32_t)lastHandledByServer
+   pendingOutgoingStanzas:(NSArray *)pendingOutgoingStanzas
+                forStream:(XMPPStream *)stream;
+
+
+/// ***** Optimizing storage demands during active stream usage *****
+///
+/// There are 2 methods that are invoked frequently during stream activity:
+///
+/// - setLastDisconnect:lastHandledByClient:forStream:
+/// - setLastDisconnect:lastHandledByServer:pendingOutgoingStanzas:forStream:
+///
+/// They are invoked any time the 'h' values change, or whenver the pendingStanzaIds change.
+/// In other words, they are invoked continually as stanzas get sent and received.
+/// And it is the job of the storage layer to decide how to handle the traffic.
+/// There are a few things to consider here:
+///
+/// - How much chatter does the xmppStream do?
+/// - How fast is the storage layer?
+/// - How does the overhead on the storage layer affect the rest of the app?
+///
+/// If your xmppStream isn't very chatty, and you've got a fast concurrent database,
+/// then you may be able to simply pipe all these method calls to the database without thinking.
+/// However, if your xmppStream is always constantly sending/receiving presence stanzas, and pinging the server,
+/// then you might consider a bit of optimzation here. Below is a simple recommendation for how to accomplish this.
+///
+/// You could choose to queue the changes from these method calls, and dump them to the database after a timeout.
+/// Thus you'll be able to consolidate a large traffic surge into a small handful of database operations.
+///
+/// Also, you could expose a 'flush' operation on the storage layer.
+/// And invoke the flush operation when the app is backgrounded, or about to quit.
+
+
+/**
+ * This method is invoked immediately after an accidental disconnect.
+ * And may be invoked post-disconnect if the state changes, such as for the following edge cases:
+ * 
+ * - due to continued processing of stanzas received pre-disconnect,
+ *   that are just now being marked as handled by the delegate(s)
+ * - due to a delayed response from the delegate(s),
+ *   such that we didn't receive the stanzaId for an outgoing stanza until after the disconnect occurred.
+ * 
+ * This method is not invoked if stream management is started on a connected xmppStream.
+ *
+ * @param date
+ *   This value will be the actual disconnect date.
+ * 
+ * @param lastHandledByClient
+ *   The most recent 'h' value we can safely send to the server.
+ * 
+ * @param lastHandledByServer
+ *   The most recent 'h' value we've received from the server.
+ * 
+ * @param pendingOutgoingStanzas
+ *   An array of XMPPStreamManagementOutgoingStanza objects.
+ *   The storage layer is in charge of properly persisting this array, including:
+ *   - the array count
+ *   - the stanzaId of each element, including those that are nil
+ * 
+ * @param stream
+ *   The associated xmppStream (standard parameter for storage classes)
+**/
+- (void)setLastDisconnect:(NSDate *)date
+      lastHandledByClient:(uint32_t)lastHandledByClient
+      lastHandledByServer:(uint32_t)lastHandledByServer
+   pendingOutgoingStanzas:(NSArray *)pendingOutgoingStanzas
+                forStream:(XMPPStream *)stream;
+
+/**
+ * Invoked when the extension needs values from a previous session.
+ * This method is used to get values needed in order to determine if it can resume a previous stream.
+**/
+- (void)getResumptionId:(NSString **)resumptionIdPtr
+                timeout:(uint32_t *)timeoutPtr
+         lastDisconnect:(NSDate **)lastDisconnectPtr
+              forStream:(XMPPStream *)stream;
+
+/**
+ * Invoked when the extension needs values from a previous session.
+ * This method is used to get values needed in order to resume a previous stream.
+**/
+- (void)getLastHandledByClient:(uint32_t *)lastHandledByClientPtr
+           lastHandledByServer:(uint32_t *)lastHandledByServerPtr
+        pendingOutgoingStanzas:(NSArray **)pendingOutgoingStanzasPtr
+                     forStream:(XMPPStream *)stream;
+
+/**
+ * Instructs the storage layer to remove all values stored for the given stream.
+ * This occurs after the extension detects a "cleanly closed stream",
+ * in which case the stream cannot be resumed next time.
+**/
+- (void)removeAllForStream:(XMPPStream *)stream;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPStream (XMPPStreamManagement)
+
+/**
+ * Returns whether or not the server's <stream:features> includes <sm xmlns='urn:xmpp:sm:3'/>.
+**/
+- (BOOL)supportsStreamManagement;
+
+@end
diff --git a/Extensions/XEP-0198/XMPPStreamManagement.m b/Extensions/XEP-0198/XMPPStreamManagement.m
new file mode 100644
index 0000000..8e49094
--- /dev/null
+++ b/Extensions/XEP-0198/XMPPStreamManagement.m
@@ -0,0 +1,1929 @@
+#import "XMPPStreamManagement.h"
+#import "XMPPStreamManagementStanzas.h"
+#import "XMPPInternal.h"
+#import "XMPPTimer.h"
+#import "XMPPLogging.h"
+#import "NSNumber+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+/**
+ * Define various xmlns values.
+**/
+#define XMLNS_STREAM_MANAGEMENT  @"urn:xmpp:sm:3"
+
+/**
+ * Seeing a return statements within an inner block
+ * can sometimes be mistaken for a return point of the enclosing method.
+ * This makes inline blocks a bit easier to read.
+**/
+#define return_from_block return
+
+
+@implementation XMPPStreamManagement
+{
+	// Storage module (may be nil)
+	
+	id <XMPPStreamManagementStorage> storage;
+	
+	// State machine
+	
+	BOOL isStarted;    // either <enabled/> or <resumed/> received from server
+	BOOL enableQueued; // the <enable/> element is queued in xmppStream
+	BOOL enableSent;   // the <enable/> element has been sent through xmppStream
+	
+	BOOL wasCleanDisconnect; // xmppStream sent </stream:stream>
+	
+	BOOL didAttemptResume;
+	BOOL didResume;
+	
+	NSXMLElement *resume_response;
+	NSArray *resume_stanzaIds;
+	
+	NSDate *disconnectDate;
+	
+	// Configuration
+	
+	BOOL autoResume;
+	
+	NSUInteger autoRequest_stanzaCount;
+	NSTimeInterval autoRequest_timeout;
+	
+	NSUInteger autoAck_stanzaCount;
+	NSTimeInterval autoAck_timeout;
+	
+	NSTimeInterval ackResponseDelay;
+	
+	// Enable
+	
+	uint32_t requestedMax;
+	
+	// Tracking outgoing stanzas
+	
+	uint32_t lastHandledByServer; // last h value received from server
+	
+	NSMutableArray *unackedByServer;              // array of XMPPStreamManagementOutgoingStanza objects
+	NSUInteger unackedByServer_lastRequestOffset; // represents point at which we last sent a request
+	
+	NSArray *prev_unackedByServer;                // from previous connection, used when resuming session
+	
+	NSMutableArray *unprocessedReceivedAcks; // acks received from server that we haven't processed yet
+	
+	XMPPTimer *autoRequestTimer;                  // timer to fire a request
+	
+	// Tracking incoming stanzas
+	
+	uint32_t lastHandledByClient; // latest h value we can send to the server
+	
+	NSMutableArray *unackedByClient;          // array of XMPPStreamManagementIncomingStanza objects
+	NSUInteger unackedByClient_lastAckOffset; // number of items removed from array, but ack not sent to server
+	
+	NSMutableArray *pendingHandledStanzaIds;// edge case handling
+	NSUInteger outstandingStanzaIds;        // edge case handling + defensive programming
+	
+	XMPPTimer *autoAckTimer; // timer to fire ack at server
+	XMPPTimer *ackResponseTimer; // timer for ackResponseDelay
+}
+
+@synthesize storage = storage;
+
+- (id)init
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPStreamManagement.h are supported.
+	
+	return [self initWithStorage:nil dispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	// This will cause a crash - it's designed to.
+	// Only the init methods listed in XMPPStreamManagement.h are supported.
+	
+	return [self initWithStorage:nil dispatchQueue:queue];
+}
+
+- (id)initWithStorage:(id <XMPPStreamManagementStorage>)inStorage
+{
+	return [self initWithStorage:inStorage dispatchQueue:NULL];
+}
+
+- (id)initWithStorage:(id <XMPPStreamManagementStorage>)inStorage dispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		if ([inStorage configureWithParent:self queue:moduleQueue]) {
+			storage = inStorage;
+		}
+		else {
+			XMPPLogError(@"%@: %@ - Unable to configure storage!", THIS_FILE, THIS_METHOD);
+		}
+		
+		unackedByServer = [[NSMutableArray alloc] init];
+		unackedByClient = [[NSMutableArray alloc] init];
+	}
+	return self;
+}
+
+- (NSSet *)xep0198Elements
+{
+	return [NSSet setWithObjects:@"r", @"a", @"enable", @"enabled", @"resume", @"resumed", @"failed", nil];
+}
+
+- (void)didActivate
+{
+	[xmppStream registerCustomElementNames:[self xep0198Elements]];
+}
+
+- (void)didDeactivate
+{
+	[xmppStream unregisterCustomElementNames:[self xep0198Elements]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoResume
+{
+	XMPPLogTrace();
+	
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoResume;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoResume:(BOOL)newAutoResume
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{
+		autoResume = newAutoResume;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)automaticallyRequestAcksAfterStanzaCount:(NSUInteger)stanzaCount orTimeout:(NSTimeInterval)timeout
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		autoRequest_stanzaCount = stanzaCount;
+		autoRequest_timeout = MAX(0.0, timeout);
+		
+		if (autoRequestTimer) {
+			[autoRequestTimer updateTimeout:autoRequest_timeout fromOriginalStartTime:YES];
+		}
+		if (isStarted) {
+			[self maybeRequestAck];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)getAutomaticallyRequestAcksAfterStanzaCount:(NSUInteger *)stanzaCountPtr orTimeout:(NSTimeInterval *)timeoutPtr
+{
+	XMPPLogTrace();
+	
+	__block NSUInteger stanzaCount = 0;
+	__block NSTimeInterval timeout = 0.0;
+	
+	dispatch_block_t block = ^{
+		
+		stanzaCount = autoRequest_stanzaCount;
+		timeout = autoRequest_timeout;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	if (stanzaCountPtr) *stanzaCountPtr = stanzaCount;
+	if (timeoutPtr) *timeoutPtr = timeout;
+}
+
+- (void)automaticallySendAcksAfterStanzaCount:(NSUInteger)stanzaCount orTimeout:(NSTimeInterval)timeout
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		autoAck_stanzaCount = stanzaCount;
+		autoAck_timeout = MAX(0.0, timeout);
+		
+		if (autoAckTimer) {
+			[autoAckTimer updateTimeout:autoAck_timeout fromOriginalStartTime:YES];
+		}
+		if (isStarted) {
+			[self maybeSendAck];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)getAutomaticallySendAcksAfterStanzaCount:(NSUInteger *)stanzaCountPtr orTimeout:(NSTimeInterval *)timeoutPtr
+{
+	XMPPLogTrace();
+	
+	__block NSUInteger stanzaCount = 0;
+	__block NSTimeInterval timeout = 0.0;
+	
+	dispatch_block_t block = ^{
+		
+		stanzaCount = autoAck_stanzaCount;
+		timeout = autoAck_timeout;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	if (stanzaCountPtr) *stanzaCountPtr = stanzaCount;
+	if (timeoutPtr) *timeoutPtr = timeout;
+}
+
+- (NSTimeInterval)ackResponseDelay
+{
+	XMPPLogTrace();
+	
+	__block NSUInteger delay = 0.0;
+	
+	dispatch_block_t block = ^{
+		
+		delay = ackResponseDelay;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return delay;
+}
+
+- (void)setAckResponseDelay:(NSTimeInterval)delay
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{
+		
+		ackResponseDelay = delay;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Enable
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method sends the <enable> stanza to the server to request enabling stream management.
+ *
+ * XEP-0198 specifies that the <enable> stanza should only be sent by clients after authentication,
+ * and after binding has occurred.
+ * 
+ * The servers response is reported via the delegate methods:
+ * @see xmppStreamManagement:wasEnabled:
+ * @see xmppStreamManagement:wasNotEnabled:
+ *
+ * @param supportsResumption
+ *   Whether the client should request resumptions support.
+ *   If YES, the resume attribute will be included. E.g. <enable resume='true'/>
+ * 
+ * @param maxTimeout
+ *   Allows you to specify the client's preferred maximum resumption time.
+ *   This is optional, and will only be sent if you provide a positive value (maxTimeout > 0.0).
+ *   Note that XEP-0198 only supports sending this value in seconds.
+ *   So it the provided maxTimeout includes millisecond precision, this will be ignored via truncation
+ *   (rounding down to nearest whole seconds value).
+ * 
+ * @see supportsStreamManagement
+**/
+- (void)enableStreamManagementWithResumption:(BOOL)supportsResumption maxTimeout:(NSTimeInterval)maxTimeout
+{
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		if (isStarted)
+		{
+			XMPPLogWarn(@"Stream management is already enabled/resumed.");
+			return;
+		}
+		if (enableQueued || enableSent)
+		{
+			XMPPLogWarn(@"Stream management is already started (pending response from server).");
+			return;
+		}
+		
+		// State transition cleanup
+		
+		[unackedByServer removeAllObjects];
+		unackedByServer_lastRequestOffset = 0;
+		
+		[unackedByClient removeAllObjects];
+		unackedByClient_lastAckOffset = 0;
+		
+		unprocessedReceivedAcks = nil;
+		
+		pendingHandledStanzaIds = nil;
+		outstandingStanzaIds = 0;
+		
+		// Send enable stanza:
+		//
+		// <enable xmlns='urn:xmpp:sm:3' ... />
+		
+		NSXMLElement *enable = [NSXMLElement elementWithName:@"enable" xmlns:XMLNS_STREAM_MANAGEMENT];
+		
+		if (supportsResumption) {
+			[enable addAttributeWithName:@"resume" stringValue:@"true"];
+		}
+		if (maxTimeout > 0.0) {
+			[enable addAttributeWithName:@"max" stringValue:[NSString stringWithFormat:@"%.0f", maxTimeout]];
+		}
+		
+		[xmppStream sendElement:enable];
+		
+		enableQueued = YES;
+		requestedMax = (maxTimeout > 0.0) ? (uint32_t)maxTimeout : (uint32_t)0;
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Resume
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Utility method for handling canResume logic.
+**/
+- (BOOL)canResumeStreamWithResumptionId:(NSString *)resumptionId
+                                timeout:(uint32_t)timeout
+                         lastDisconnect:(NSDate *)lastDisconnect
+{
+	if (resumptionId == nil) {
+		XMPPLogVerbose(@"%@: Cannot resume stream: resumptionId is nil", THIS_FILE);
+		return NO;
+	}
+	if (lastDisconnect == nil) {
+		XMPPLogVerbose(@"%@: Cannot resume stream: lastDisconnect is nil", THIS_FILE);
+		return NO;
+	}
+	
+	NSTimeInterval elapsed = [lastDisconnect timeIntervalSinceNow] * -1.0;
+	
+	if (elapsed < 0.0) // lastDisconnect is in the future ?
+	{
+		XMPPLogVerbose(@"%@: Cannot resume stream: invalid lastDisconnect - appears to be in future", THIS_FILE);
+		return NO;
+	}
+	if ((uint32_t)elapsed > timeout) // too much time has elapsed
+	{
+		XMPPLogVerbose(@"%@: Cannot resume stream: elapsed(%u) > timeout(%u)", THIS_FILE, (uint32_t)elapsed, timeout);
+		return NO;
+	}
+	
+	return YES;
+}
+
+/**
+ * Returns YES if the stream can be resumed.
+ *
+ * This would be the case if there's an available resumptionId for the authenticated xmppStream,
+ * and the timeout from the last stream has not been exceeded.
+**/
+- (BOOL)canResumeStream
+{
+	XMPPLogTrace();
+	
+	// This is a PUBLIC method
+	
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		if (isStarted || enableQueued || enableSent) {
+			return_from_block;
+		}
+		
+		NSString *resumptionId = nil;
+		uint32_t timeout = 0;
+		NSDate *lastDisconnect = nil;
+		
+		[storage getResumptionId:&resumptionId
+		                 timeout:&timeout
+		          lastDisconnect:&lastDisconnect
+		               forStream:xmppStream];
+		
+		result = [self canResumeStreamWithResumptionId:resumptionId timeout:timeout lastDisconnect:lastDisconnect];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+/**
+ * Internal method that handles sending the <resume/> element, and the corresponding state transition.
+**/
+- (void)sendResumeRequestWithResumptionId:(NSString *)resumptionId
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// State transition cleanup
+		
+		[unackedByServer removeAllObjects];
+		unackedByServer_lastRequestOffset = 0;
+		
+		[unackedByClient removeAllObjects];
+		unackedByClient_lastAckOffset = 0;
+		
+		unprocessedReceivedAcks = nil;
+		
+		pendingHandledStanzaIds = nil;
+		outstandingStanzaIds = 0;
+		
+		// Restore our state from the last stream
+		
+		uint32_t newLastHandledByClient = 0;
+		uint32_t newLastHandledByServer = 0;
+		NSArray *pendingOutgoingStanzas = nil;
+		
+		[storage getLastHandledByClient:&newLastHandledByClient
+		            lastHandledByServer:&newLastHandledByServer
+		         pendingOutgoingStanzas:&pendingOutgoingStanzas
+		                      forStream:xmppStream];
+		
+		lastHandledByClient = newLastHandledByClient;
+		lastHandledByServer = newLastHandledByServer;
+		
+		if ([pendingOutgoingStanzas count] > 0) {
+			prev_unackedByServer = [[NSMutableArray alloc] initWithArray:pendingOutgoingStanzas copyItems:YES];
+		}
+		
+		XMPPLogVerbose(@"%@: Attempting to resume: lastHandledByClient(%u) lastHandledByServer(%u)",
+		               THIS_FILE, lastHandledByClient, lastHandledByServer);
+		
+		// Send the resume stanza:
+		//
+		// <resume h='lastHandledByClient' previd='resumptionId'/>
+		
+		NSXMLElement *resume = [NSXMLElement elementWithName:@"resume" xmlns:XMLNS_STREAM_MANAGEMENT];
+		[resume addAttributeWithName:@"previd" stringValue:resumptionId];
+		[resume addAttributeWithName:@"h" stringValue:[NSString stringWithFormat:@"%u", lastHandledByClient]];
+		
+		[xmppStream sendBindElement:resume];
+		
+		didAttemptResume = YES;
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+/**
+ * Internal method to handle processing a resumed response from the server.
+**/
+- (void)processResumed:(NSXMLElement *)resumed
+{
+	XMPPLogTrace();
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		uint32_t h = [resumed attributeUInt32ValueForName:@"h" withDefaultValue:lastHandledByServer];
+		
+		uint32_t diff;
+		if (h >= lastHandledByServer)
+			diff = h - lastHandledByServer;
+		else
+			diff = (UINT32_MAX - lastHandledByServer) + h;
+		
+		// IMPORTATNT:
+		// This code path uses prev_unackedByServer (NOT unackedByServer).
+		// This is because the ack has to do with stanzas sent from the previous connection.
+		
+		if (diff > [prev_unackedByServer count])
+		{
+			XMPPLogWarn(@"Unexpected h value from resume: lastH=%lu, newH=%lu, numPendingStanzas=%lu",
+			            (unsigned long)lastHandledByServer,
+			            (unsigned long)h,
+			            (unsigned long)[prev_unackedByServer count]);
+			
+			diff = (uint32_t)[prev_unackedByServer count];
+		}
+		
+		NSMutableArray *stanzaIds = [NSMutableArray arrayWithCapacity:(NSUInteger)diff];
+		
+		for (uint32_t i = 0; i < diff; i++)
+		{
+			XMPPStreamManagementOutgoingStanza *outgoingStanza = prev_unackedByServer[(NSUInteger) i];
+			
+			if (outgoingStanza.stanzaId) {
+				[stanzaIds addObject:outgoingStanza.stanzaId];
+			}
+		}
+		
+		lastHandledByServer = h;
+		
+		XMPPLogVerbose(@"%@: processResumed: lastHandledByServer(%u)", THIS_FILE, lastHandledByServer);
+		
+		isStarted = YES;
+		didResume = YES;
+		
+		prev_unackedByServer = nil;
+		
+		resume_response = resumed;
+		resume_stanzaIds = [stanzaIds copy];
+		
+		// Update storage
+		
+		[storage setLastDisconnect:[NSDate date]
+		       lastHandledByServer:lastHandledByServer
+		    pendingOutgoingStanzas:nil
+		                 forStream:xmppStream];
+		
+		// Notify delegate
+		
+		[multicastDelegate xmppStreamManagement:self didReceiveAckForStanzaIds:stanzaIds];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+/**
+ * This method is meant to be called by other extensions when they receive an xmppStreamDidAuthenticate callback.
+ *
+ * Returns YES if the stream was resumed during the authentication process.
+ * Returns NO otherwise (if resume wasn't available, or it failed).
+ *
+ * Other extensions may wish to skip certain setup processes that aren't
+ * needed if the stream was resumed (since the previous session state has been restored server-side).
+**/
+- (BOOL)didResume
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = didResume;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+/**
+ * This method is meant to be called when you receive an xmppStreamDidAuthenticate callback.
+ *
+ * It is used instead of a standard delegate method in order to provide a cleaner API.
+ * By using this method, one can put all the logic for handling authentication in a single place.
+ * But more importantly, it solves several subtle timing and threading issues.
+ *
+ * > A delegate method could have hit either before or after xmppStreamDidAuthenticate, depending on thread scheduling.
+ * > We could have queued it up, and forced it to hit after.
+ * > But your code would likely still have needed to add a check within xmppStreamDidAuthenticate...
+ *
+ * @param stanzaIdsPtr (optional)
+ *   Just like the stanzaIdsPtr provided in xmppStreamManagement:didReceiveAckForStanzaIds:.
+ *   This comes from the h value provided within the <resumed h='X'/> stanza sent by the server.
+ * 
+ * @param responsePtr (optional)
+ *   Returns the response we got from the server. Either <resumed/> or <failed/>.
+ *   This will be nil if resume wasn't tried.
+ * 
+ * @return
+ *   YES if the stream was resumed.
+ *   NO otherwise.
+**/
+- (BOOL)didResumeWithAckedStanzaIds:(NSArray **)stanzaIdsPtr
+					 serverResponse:(NSXMLElement **)responsePtr
+{
+	__block BOOL result = NO;
+	__block NSArray *stanzaIds = nil;
+	__block NSXMLElement *response = nil;
+	
+	dispatch_block_t block = ^{
+		
+		result = didResume;
+		stanzaIds = resume_stanzaIds;
+		response = resume_response;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	if (stanzaIdsPtr) *stanzaIdsPtr = stanzaIds;
+	if (responsePtr) *responsePtr = response;
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPCustomBinding Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Attempts to start the custom binding process.
+ *
+ * If it isn't possible to start the process (perhaps due to missing information),
+ * this method should return XMPP_BIND_FAIL and set an appropriate error message.
+ * 
+ * If binding isn't needed (for example, because custom SASL authentication already handled it),
+ * this method should return XMPP_BIND_SUCCESS.
+ * In this case, xmppStream will immediately move to its post-binding operations.
+ *
+ * Otherwise this method should send whatever stanzas are needed to begin the binding process.
+ * And then return XMPP_BIND_CONTINUE.
+ *
+ * This method is called by automatically XMPPStream.
+ * You MUST NOT invoke this method manually.
+**/
+- (XMPPBindResult)start:(NSError **)errPtr
+{
+	XMPPLogTrace();
+		
+	// Fetch the resumptionId,
+	// and check to see if we can resume the stream.
+	
+	NSString *resumptionId = nil;
+	uint32_t timeout = 0;
+	NSDate *lastDisconnect = nil;
+	
+	[storage getResumptionId:&resumptionId
+	                 timeout:&timeout
+	          lastDisconnect:&lastDisconnect
+	               forStream:xmppStream];
+	
+	if (![self canResumeStreamWithResumptionId:resumptionId timeout:timeout lastDisconnect:lastDisconnect])
+	{
+		return XMPP_BIND_FAIL_FALLBACK;
+	}
+	
+	// Start the resume proces
+	[self sendResumeRequestWithResumptionId:resumptionId];
+	
+	return XMPP_BIND_CONTINUE;
+}
+
+/**
+ * After the custom binding process has started, all incoming xmpp stanzas are routed to this method.
+ * The method should process the stanza as appropriate, and return the coresponding result.
+ * If the process is not yet complete, it should return XMPP_BIND_CONTINUE,
+ * meaning the xmpp stream will continue to forward all incoming xmpp stanzas to this method.
+ *
+ * This method is called automatically by XMPPStream.
+ * You MUST NOT invoke this method manually.
+**/
+- (XMPPBindResult)handleBind:(NSXMLElement *)element withError:(NSError **)errPtr
+{
+	XMPPLogTrace();
+	
+	NSString *elementName = [element name];
+	
+	if ([elementName isEqualToString:@"resumed"])
+	{
+		[self processResumed:element];
+		
+		return XMPP_BIND_SUCCESS;
+	}
+	else
+	{
+		if (![elementName isEqualToString:@"failed"]) {
+			XMPPLogError(@"%@: Received unrecognized response from server: %@", THIS_METHOD, element);
+		}
+		
+		dispatch_async(moduleQueue, ^{ @autoreleasepool {
+			
+			didResume = NO;
+			resume_response = element;
+			
+			prev_unackedByServer = nil;
+		}});
+		
+		return XMPP_BIND_FAIL_FALLBACK;
+	}
+}
+
+/**
+ * Optionally implement this method to override the default behavior.
+ * By default behavior, we mean the behavior normally taken by xmppStream, which is:
+ *
+ * - IF the server includes <session xmlns='urn:ietf:params:xml:ns:xmpp-session'/> in its stream:features
+ * - AND xmppStream.skipStartSession property is NOT set
+ * - THEN xmppStream will send the session start request, and await the response before transitioning to authenticated
+ *
+ * Thus if you implement this method and return YES, then xmppStream will skip starting a session,
+ * regardless of the stream:features and the current xmppStream.skipStartSession property value.
+ *
+ * If you implement this method and return NO, then xmppStream will follow the default behavior detailed above.
+ * This means that, even if this method returns NO, the xmppStream may still skip starting a session if
+ * the server doesn't require it via its stream:features,
+ * or if the user has explicitly forbidden it via the xmppStream.skipStartSession property.
+ *
+ * The default value is NO.
+**/
+- (BOOL)shouldSkipStartSessionAfterSuccessfulBinding
+{
+	return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Requesting Acks
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Sends a request <r/> element, requesting the server reply with an ack <a h='lastHandled'/>.
+ *
+ * You can also configure the extension to automatically sends requests.
+ * @see automaticallyRequestAcksAfterStanzaCount:orTimeout:
+ *
+ * When the server replies with an ack, the delegate method will be invoked.
+ * @see xmppStreamManagement:didReceiveAckForStanzaIds:
+**/
+- (void)requestAck
+{
+	XMPPLogTrace();
+	
+	// This is a PUBLIC method
+	
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		if (isStarted || enableQueued || enableSent)
+		{
+			[self _requestAck];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)_requestAck
+{
+	XMPPLogTrace();
+	
+	if (isStarted || enableQueued || enableSent)
+	{
+		// Send the XML element
+		
+		NSXMLElement *r = [NSXMLElement elementWithName:@"r" xmlns:XMLNS_STREAM_MANAGEMENT];
+		[xmppStream sendElement:r];
+		
+		// Reset offset
+		
+		unackedByServer_lastRequestOffset = [unackedByServer count];
+	}
+	
+	[autoRequestTimer cancel];
+	autoRequestTimer = nil;
+}
+
+- (BOOL)maybeRequestAck
+{
+	XMPPLogTrace();
+	
+	if (!isStarted && !(enableQueued || enableSent))
+	{
+		// cannot request ack if not started (or at least sent <enable/>)
+		return NO;
+	}
+	if ((autoRequest_stanzaCount == 0) && (autoRequest_timeout == 0.0))
+	{
+		// auto request disabled
+		return NO;
+	}
+	
+	NSUInteger pending = [unackedByServer count] - unackedByServer_lastRequestOffset;
+	if (pending == 0)
+	{
+		// nothing new to request
+		return NO;
+	}
+	
+	if ((autoRequest_stanzaCount > 0) && (pending >= autoRequest_stanzaCount))
+	{
+		[self _requestAck];
+		return YES;
+	}
+	else if ((autoRequest_timeout > 0.0) && (autoRequestTimer == nil))
+	{
+		__weak id weakSelf = self;
+		autoRequestTimer = [[XMPPTimer alloc] initWithQueue:moduleQueue eventHandler:^{ @autoreleasepool{
+			
+			[weakSelf _requestAck];
+		}}];
+		
+		[autoRequestTimer startWithTimeout:autoRequest_timeout interval:0];
+	}
+	
+	return NO;
+}
+
+/**
+ * This method is invoked from one of the xmppStream:didSendX: methods.
+**/
+- (void)processSentElement:(XMPPElement *)element
+{
+	XMPPLogTrace();
+	
+	SEL selector = @selector(xmppStreamManagement:stanzaIdForSentElement:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// There are not any delegates that respond to the selector.
+		// So the stanzaId is the elementId (if there is one).
+		
+		NSString *elementId = [element elementID];
+		
+		XMPPStreamManagementOutgoingStanza *stanza =
+		  [[XMPPStreamManagementOutgoingStanza alloc] initWithStanzaId:elementId];
+		[unackedByServer addObject:stanza];
+		
+		[self updateStoredPendingOutgoingStanzas];
+		
+		// At bottom of this method:
+		// [self maybeRequestAck];
+	}
+	else
+	{
+		// We need to query the delegate(s) to see if there's a specific stanzaId for this element.
+		// This is an asynchronous process, so we put a placeholder in the array for now.
+		
+		XMPPStreamManagementOutgoingStanza *stanza =
+		  [[XMPPStreamManagementOutgoingStanza alloc] initAwaitingStanzaId];
+		[unackedByServer addObject:stanza];
+		
+		// Start the asynchronous process to find the proper stanzaId
+		
+		GCDMulticastDelegateEnumerator *enumerator = [multicastDelegate delegateEnumerator];
+		
+		dispatch_queue_t concurrentQ = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(concurrentQ, ^{ @autoreleasepool {
+			
+			id stanzaId = nil;
+			
+			id delegate = nil;
+			dispatch_queue_t dq = NULL;
+			
+			while ([enumerator getNextDelegate:&delegate delegateQueue:&dq forSelector:selector])
+			{
+				stanzaId = [delegate xmppStreamManagement:self stanzaIdForSentElement:element];
+				if (stanzaId)
+				{
+					break;
+				}
+			}
+			
+			if (stanzaId == nil)
+			{
+				stanzaId = [element elementID];
+			}
+			
+			dispatch_async(moduleQueue, ^{ @autoreleasepool{
+				
+				// Set the stanzaId.
+				stanza.stanzaId = stanzaId;
+				stanza.awaitingStanzaId = NO;
+				
+				// It's possible that we received an ack from the sever (acking our stanza)
+				// before we were able to determine its stanzaId.
+				// This edge case is handled by storing the ack in the pendingAcks array for later processing.
+				// We may be able to process it now.
+				
+				BOOL dequeuedPendingAck = NO;
+				
+				while ([unprocessedReceivedAcks count] > 0)
+				{
+					NSXMLElement *ack = unprocessedReceivedAcks[0];
+					
+					if ([self processReceivedAck:ack])
+					{
+						[unprocessedReceivedAcks removeObjectAtIndex:0];
+						dequeuedPendingAck = YES;
+					}
+					else
+					{
+						break;
+					}
+				}
+				
+				if (!dequeuedPendingAck)
+				{
+					[self updateStoredPendingOutgoingStanzas];
+				}
+			}});
+		}});
+	}
+	
+	XMPPLogVerbose(@"%@: processSentElement (%@): lastHandledByServer(%u) pending(%lu)",
+	               THIS_FILE, [element name], lastHandledByServer, (unsigned long)[unackedByServer count]);
+	
+	[self maybeRequestAck];
+}
+
+/**
+ * This method is invoked when an ack <a h='lastHandled'/> arrives.
+ * 
+ * It attempts to process the ack.
+ * That is, there should be adequate outgoing stanzas (in the unackedByServer array) which have a set stanzaId.
+ * 
+ * Because stanzaId's are set by the delegate(s), its possible (although unlikely) that we receive an ack before
+ * the delegate tells us the proper stanzaId for a sent element. When this occurs, we won't be able to completely
+ * process the ack. However, this method will process as many as possible (while maintaining serial order).
+ *
+ * @return 
+ *   YES if the ack can be marked as 100% processed.
+ *   NO otherwise (if we're still awaiting a stanzaId from a delegate),
+ *   in which case the caller MUST store the ack in the unprocessedReceivedAcks array.
+**/
+- (BOOL)processReceivedAck:(NSXMLElement *)ack
+{
+	XMPPLogTrace();
+	
+	uint32_t h = 0;
+	if (![NSNumber xmpp_parseString:[ack attributeStringValueForName:@"h"] intoUInt32:&h])
+	{
+		XMPPLogError(@"Error parsing h value from ack: %@", [ack compactXMLString]);
+		return YES;
+	}
+	
+	uint32_t diff;
+	if (h >= lastHandledByServer)
+		diff = h - lastHandledByServer;
+	else
+		diff = (UINT32_MAX - lastHandledByServer) + h;
+	
+	if (diff == 0)
+	{
+		// shortcut: server is reporting no new stanzas have been processed
+		return YES;
+	}
+	
+	if (diff > [unackedByServer count])
+	{
+		XMPPLogWarn(@"Unexpected h value from ack: lastH=%lu, newH=%lu, numPendingStanzas=%lu",
+		            (unsigned long)lastHandledByServer,
+		            (unsigned long)h,
+		            (unsigned long)[unackedByServer count]);
+		
+		diff = (uint32_t)[unackedByServer count];
+	}
+	
+	BOOL canProcessEntireAck = YES;
+	NSUInteger processed = 0;
+	
+	NSMutableArray *stanzaIds = [NSMutableArray arrayWithCapacity:(NSUInteger)diff];
+	
+	for (uint32_t i = 0; i < diff; i++)
+	{
+		XMPPStreamManagementOutgoingStanza *outgoingStanza = unackedByServer[(NSUInteger) i];
+		
+		if ([outgoingStanza awaitingStanzaId])
+		{
+			canProcessEntireAck = NO;
+			break;
+		}
+		else
+		{
+			if (outgoingStanza.stanzaId) {
+				[stanzaIds addObject:outgoingStanza.stanzaId];
+			}
+			processed++;
+		}
+	}
+	
+	if (canProcessEntireAck || processed > 0)
+	{
+		if (canProcessEntireAck)
+		{
+			[unackedByServer removeObjectsInRange:NSMakeRange(0, (NSUInteger)diff)];
+			if (unackedByServer_lastRequestOffset > diff)
+				unackedByServer_lastRequestOffset -= diff;
+			else
+				unackedByServer_lastRequestOffset = 0;
+			
+			lastHandledByServer = h;
+			
+			XMPPLogVerbose(@"%@: processReceivedAck (fully processed): lastHandledByServer(%u) pending(%lu)",
+			               THIS_FILE, lastHandledByServer, (unsigned long)[unackedByServer count]);
+		}
+		else // if (processed > 0)
+		{
+			[unackedByServer removeObjectsInRange:NSMakeRange(0, processed)];
+			if (unackedByServer_lastRequestOffset > processed)
+				unackedByServer_lastRequestOffset -= processed;
+			else
+				unackedByServer_lastRequestOffset = 0;
+			
+			lastHandledByServer += processed;
+			
+			XMPPLogVerbose(@"%@: processReceivedAck (partially processed): lastHandledByServer(%u) pending(%lu)",
+			               THIS_FILE, lastHandledByServer, (unsigned long)[unackedByServer count]);
+		}
+		
+		// Update storage
+		
+		NSArray *pending = [[NSArray alloc] initWithArray:unackedByServer copyItems:YES];
+		
+		if (isStarted)
+		{
+			[storage setLastDisconnect:[NSDate date]
+			       lastHandledByServer:lastHandledByServer
+			    pendingOutgoingStanzas:pending
+			                 forStream:xmppStream];
+		}
+		else // edge case
+		{
+			[storage setLastDisconnect:disconnectDate
+			       lastHandledByClient:lastHandledByClient
+			       lastHandledByServer:lastHandledByServer
+			    pendingOutgoingStanzas:pending
+			                 forStream:xmppStream];
+		}
+		
+		// Notify delegate
+		
+		[multicastDelegate xmppStreamManagement:self didReceiveAckForStanzaIds:stanzaIds];
+	}
+	else
+	{
+		XMPPLogVerbose(@"%@: processReceivedAck (unprocessed): lastHandledByServer(%u) pending(%lu)",
+		               THIS_FILE, lastHandledByServer, (unsigned long)[unackedByServer count]);
+	}
+	
+	return canProcessEntireAck;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Sending Acks
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Sends an unrequested ack <a h='lastHandled'/> element, acking the server's recently received (and handled) elements.
+ *
+ * You can also configure the extension to automatically sends acks.
+ * @see automaticallySendAcksAfterStanzaCount:orTimeout:
+ *
+ * Keep in mind that the extension will automatically send an ack if it receives an explicit request.
+**/
+- (void)sendAck
+{
+	XMPPLogTrace();
+	
+	// This is a PUBLIC method
+	
+	dispatch_block_t block = ^{ @autoreleasepool{
+		
+		if (isStarted)
+		{
+			[self _sendAck];
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+/**
+ * Sends the ack <a h='x'/> element, and discards newly acked stanzas from the queue.
+**/
+- (void)_sendAck
+{
+	NSUInteger pending = 0;
+	for (XMPPStreamManagementIncomingStanza *stanza in unackedByClient)
+	{
+		if (stanza.isHandled)
+			pending++;
+		else
+			break;
+	}
+	
+	if (pending > 0)
+	{
+		[unackedByClient removeObjectsInRange:NSMakeRange(0, pending)];
+		unackedByClient_lastAckOffset += pending;
+		lastHandledByClient += pending;
+		
+		XMPPLogVerbose(@"%@: sendAck: lastHandledByClient(%u) inc(%lu) totalPending(%lu)", THIS_FILE,
+		               lastHandledByClient,
+		               (unsigned long)pending,
+		               (unsigned long)unackedByClient_lastAckOffset);
+		
+		// Update info in storage.
+		
+		if (isStarted)
+		{
+			[storage setLastDisconnect:[NSDate date]
+			       lastHandledByClient:lastHandledByClient
+			                 forStream:xmppStream];
+		}
+		else // edge case
+		{
+			// An incoming stanza got markedAsHandled post-disconnect
+			
+			NSArray *pending = [[NSArray alloc] initWithArray:unackedByServer copyItems:YES];
+			
+			[storage setLastDisconnect:disconnectDate
+				   lastHandledByClient:lastHandledByClient
+				   lastHandledByServer:lastHandledByServer
+				pendingOutgoingStanzas:pending
+							 forStream:xmppStream];
+		}
+	}
+	
+	if (isStarted)
+	{
+		// Send the XML element
+		
+		NSXMLElement *a = [NSXMLElement elementWithName:@"a" xmlns:XMLNS_STREAM_MANAGEMENT];
+		
+		NSString *h = [NSString stringWithFormat:@"%u", (unsigned int)lastHandledByClient];
+		[a addAttributeWithName:@"h" stringValue:h];
+		
+		[xmppStream sendElement:a];
+		
+		// Reset offset
+		
+		unackedByClient_lastAckOffset = 0;
+	}
+	
+	// Stop the timer(s)
+	
+	[autoAckTimer cancel];
+	autoAckTimer = nil;
+	
+	[ackResponseTimer cancel];
+	ackResponseTimer = nil;
+
+}
+
+/**
+ * Returns the number of incoming stanzas that have been handled on our side,
+ * but which we haven't yet sent an ack to the server.
+**/
+- (NSUInteger)numIncomingStanzasThatCanBeAcked
+{
+	// What is unackedByClient_lastAckOffset ?
+	//
+	// In the method maybeUpdateStoredLastHandledByClient,
+	// we remove items from the unackedByClient array, and increase the lastHandledByClient value.
+	// But we do NOT actually send an ack to the server at this point.
+	//
+	// Thus unackedByClient_lastAckOffset represents the number of items we're removed from the unackedByClient array,
+	// and for which we still need to send an ack to the server.
+	
+	NSUInteger count = unackedByClient_lastAckOffset;
+	
+	for (XMPPStreamManagementIncomingStanza *stanza in unackedByClient)
+	{
+		if (stanza.isHandled)
+			count++;
+		else
+			break;
+	}
+	
+	return count;
+}
+
+/**
+ * Returns the number of incoming stanzas that cannot yet be acked because
+ * - the stanza hasn't been marked as handled yet
+ * - or a preceeding stanza has hasn't been marked as handled yet
+**/
+- (NSUInteger)numIncomingStanzasThatCannnotBeAcked
+{
+	BOOL foundUnhandledStanza = NO;
+	NSUInteger count = 0;
+	
+	for (XMPPStreamManagementIncomingStanza *stanza in unackedByClient)
+	{
+		if (foundUnhandledStanza)
+		{
+			count++;
+		}
+		else if (!stanza.isHandled)
+		{
+			foundUnhandledStanza = YES;
+			count++;
+		}
+	}
+	
+	return count;
+}
+
+/**
+ * Sends an ack if needed (if pending meets/exceeds autoAck_stanzaCount).
+**/
+- (BOOL)maybeSendAck
+{
+	XMPPLogTrace();
+	
+	if (!isStarted)
+	{
+		// cannot send acks if we're not started
+		return NO;
+	}
+	if ((autoAck_stanzaCount == 0) && (autoAck_timeout == 0.0))
+	{
+		// auto ack disabled
+		return NO;
+	}
+	
+	NSUInteger pending = [self numIncomingStanzasThatCanBeAcked];
+	if (pending == 0)
+	{
+		// nothing new to ack
+		return NO;
+	}
+	
+	// Send ack according to autoAck configuration
+	
+	if ((autoAck_stanzaCount > 0) && (pending >= autoAck_stanzaCount))
+	{
+		[self _sendAck];
+		return YES;
+	}
+	else if ((autoAck_timeout > 0.0) && (autoAckTimer == nil))
+	{
+		__weak id weakSelf = self;
+		autoAckTimer = [[XMPPTimer alloc] initWithQueue:moduleQueue eventHandler:^{ @autoreleasepool{
+			
+			[weakSelf sendAck];
+		}}];
+		
+		[autoAckTimer startWithTimeout:autoAck_timeout interval:0];
+	}
+	
+	return NO;
+}
+
+- (void)markHandledStanzaId:(id)stanzaId
+{
+	XMPPLogTrace();
+	
+	if (stanzaId == nil) return;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// It's theoretically possible that the delegate(s) returned the same stanzaId for multiple elements.
+		// Although this is strongly discouraged, we should try to do our best to handle such a situation logically.
+		//
+		// In light of this edge case, here are the rules:
+		//
+		// Find the first stanza in the queue that is
+		// - not already marked as handled
+		// - has a matching stanzaId
+		//
+		// Mark this as handled, and then break.
+		//
+		// We also check to see if marking this stanza as handled has increased the pending count.
+		// For example (using the following queue):
+		//
+		// 0) <stanzaId=ABC, handled=YES>
+		// 1) <stanzaId=DEF, handled=NO > // <-- marking as handled increases pendingCount from 1 to 2
+		// 2) <stanzaId=GHI, handled=NO > // <-- marking as handled doesn't change pendingCount (still 1)
+		
+		BOOL found = NO;
+		
+		for (XMPPStreamManagementIncomingStanza *stanza in unackedByClient)
+		{
+			if (stanza.isHandled)
+			{
+				// continue
+			}
+			else if ([stanza.stanzaId isEqual:stanzaId])
+			{
+				stanza.isHandled = YES;
+				found = YES;
+				break;
+			}
+		}
+		
+		if (found)
+		{
+			if (![self maybeSendAck])
+			{
+				[self maybeUpdateStoredLastHandledByClient];
+			}
+		}
+		else
+		{
+			// Edge case:
+			//
+			// The stanzaId was marked as handled before we finished figuring out what the stanzaId is.
+			//
+			// In order to get the stanzaId for a received element, we go through an asynchronous process.
+			// It's possible (but unlikely) that this process ends up taking longer than it does for the app
+			// to actually "handle" the element. So we have this odd edge case,
+			// which we handle by queuing up the stanzaId for later processing.
+			
+			if (outstandingStanzaIds > 0)
+			{
+				if (pendingHandledStanzaIds == nil)
+					pendingHandledStanzaIds = [[NSMutableArray alloc] init];
+				
+				[pendingHandledStanzaIds addObject:stanzaId];
+			}
+		}
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)processReceivedElement:(XMPPElement *)element
+{
+	XMPPLogTrace();
+	
+	NSAssert(isStarted, @"State machine exception");
+	
+	SEL selector = @selector(xmppStreamManagement:getIsHandled:stanzaId:forReceivedElement:);
+	
+	if (![multicastDelegate hasDelegateThatRespondsToSelector:selector])
+	{
+		// None of the delegates implement the method.
+		// Use a shortcut.
+		
+		XMPPStreamManagementIncomingStanza *stanza =
+		  [[XMPPStreamManagementIncomingStanza alloc] initWithStanzaId:nil isHandled:YES];
+		[unackedByClient addObject:stanza];
+		
+		// Since we know the element is 'handled' we can immediately check to see if we need to send an ack
+		
+		if (![self maybeSendAck])
+		{
+			[self maybeUpdateStoredLastHandledByClient];
+		}
+	}
+	else
+	{
+		// We need to query the delegate(s) to see if the stanza can be marked as handled.
+		// This is an asynchronous process, so we put a placeholder in the array for now.
+		//
+		// Note: stanza.isHandled == NO
+		
+		XMPPStreamManagementIncomingStanza *stanza =
+		  [[XMPPStreamManagementIncomingStanza alloc] initWithStanzaId:nil isHandled:NO];
+		[unackedByClient addObject:stanza];
+		
+		// Query the delegate(s). The Rules:
+		//
+		// If ANY of the delegates says the element is "not handled", then we can immediately set it as so.
+		// Otherwise the element will be marked as handled.
+		
+		GCDMulticastDelegateEnumerator *enumerator = [multicastDelegate delegateEnumerator];
+		outstandingStanzaIds++;
+		
+		dispatch_queue_t concurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(concurrentQueue, ^{ @autoreleasepool
+		{
+			__block BOOL isHandled = YES;
+			__block id stanzaId = nil;
+			
+			id delegate;
+			dispatch_queue_t dq;
+		
+			while (isHandled && [enumerator getNextDelegate:&delegate delegateQueue:&dq forSelector:selector])
+			{
+				dispatch_sync(dq, ^{ @autoreleasepool {
+				
+					[delegate xmppStreamManagement:self
+					                  getIsHandled:&isHandled
+					                      stanzaId:&stanzaId
+					            forReceivedElement:element];
+					
+					NSAssert(isHandled || stanzaId != nil,
+					         @"You MUST return a stanzaId for any elements you mark as not-yet-handled");
+				}});
+			}
+			
+			dispatch_async(moduleQueue, ^{ @autoreleasepool
+			{
+				if (isHandled)
+				{
+					stanza.isHandled = YES;
+				}
+				else
+				{
+					stanza.stanzaId = stanzaId;
+					
+					// Check for edge case:
+					// - stanzaId was marked as handled before we figured out what the stanzaId was
+					if ([pendingHandledStanzaIds count] > 0)
+					{
+						NSUInteger i = 0;
+						for (id pendingStanzaId in pendingHandledStanzaIds)
+						{
+							if ([pendingStanzaId isEqual:stanzaId])
+							{
+								[pendingHandledStanzaIds removeObjectAtIndex:i];
+								
+								stanza.isHandled = YES;
+								break;
+							}
+							
+							i++;
+						}
+					}
+				}
+				
+				// Defensive programming.
+				// Don't let this array grow infinitely big (if markHandledStanzaId is being invoked incorrectly).
+				if (--outstandingStanzaIds == 0) {
+					[pendingHandledStanzaIds removeAllObjects];
+				}
+				
+				if (stanza.isHandled)
+				{
+					if (![self maybeSendAck])
+					{
+						[self maybeUpdateStoredLastHandledByClient];
+					}
+				}
+			}});
+		}});
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Storage Helpers
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method is used when the pendingStanzaIds have changed (ivar unackedByServer changed),
+ * but we weren't able to process an ack, or update the lastHandledByServer.
+**/
+- (void)updateStoredPendingOutgoingStanzas
+{
+	XMPPLogTrace();
+	
+	NSArray *pending = [[NSArray alloc] initWithArray:unackedByServer copyItems:YES];
+	
+	if (isStarted)
+	{
+		[storage setLastDisconnect:[NSDate date]
+		       lastHandledByServer:lastHandledByServer
+		    pendingOutgoingStanzas:pending
+		                 forStream:xmppStream];
+	}
+	else
+	{
+		[storage setLastDisconnect:disconnectDate
+		       lastHandledByClient:lastHandledByClient
+		       lastHandledByServer:lastHandledByServer
+		    pendingOutgoingStanzas:pending
+		                 forStream:xmppStream];
+	}
+}
+
+/**
+ * This method is used when we can maybe increment the lastHandledByClient value,
+ * but the change isn't significant enough to trigger an autoAck (or autoAck_stanzaCount is disabled).
+ *
+ * It updates the lastHandledByClient value (if needed), and notified storage.
+**/
+- (void)maybeUpdateStoredLastHandledByClient
+{
+	XMPPLogTrace();
+	
+	// Edge case note:
+	//
+	// This method may be invoked shortly after being disconnected.
+	// How is this handled?
+	//
+	// The unackedByClient array is cleared when we send <enable> or <resume>.
+	// And it cannot be appended to unless isStarted is YES.
+	// Thus this method works properly shortly after a disconnect, and can increment lastHandledByClient.
+	// And properly handles the edge case of being called in the middle of resuming a session.
+	
+	NSUInteger pending = 0;
+	for (XMPPStreamManagementIncomingStanza *stanza in unackedByClient)
+	{
+		if (stanza.isHandled)
+			pending++;
+		else
+			break;
+	}
+	
+	if (pending > 0)
+	{
+		[unackedByClient removeObjectsInRange:NSMakeRange(0, pending)];
+		unackedByClient_lastAckOffset += pending;
+		lastHandledByClient += pending;
+		
+		XMPPLogVerbose(@"%@: sendAck: lastHandledByClient(%u) inc(%lu) totalPending(%lu)", THIS_FILE,
+					   lastHandledByClient,
+					   (unsigned long)pending,
+					   (unsigned long)unackedByClient_lastAckOffset);
+		
+		if (isStarted)
+		{
+			[storage setLastDisconnect:[NSDate date]
+			       lastHandledByClient:lastHandledByClient
+			                 forStream:xmppStream];
+		}
+		else // edge case
+		{
+			// An incoming stanza got markedAsHandled post-disconnect
+			
+			NSArray *pending = [[NSArray alloc] initWithArray:unackedByServer copyItems:YES];
+		
+			[storage setLastDisconnect:disconnectDate
+			       lastHandledByClient:lastHandledByClient
+			       lastHandledByServer:lastHandledByServer
+			    pendingOutgoingStanzas:pending
+			                 forStream:xmppStream];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Binding a JID resource is a standard part of the authentication process,
+ * and occurs after SASL authentication completes (which generally authenticates the JID username).
+ * 
+ * This delegate method allows for a custom binding procedure to be used.
+ * For example:
+ * - a custom SASL authentication scheme might combine auth with binding
+ * - stream management (xep-0198) replaces binding if it can resume a previous session
+ * 
+ * Return nil (or don't implement this method) if you wish to use the standard binding procedure.
+**/
+- (id <XMPPCustomBinding>)xmppStreamWillBind:(XMPPStream *)sender
+{
+	if (autoResume)
+	{
+		// We will check canResume in start: method (part of XMPPCustomBinding protocol)
+		return self;
+	}
+	else
+	{
+		return nil;
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendIQ:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	if (isStarted || enableSent)
+	{
+		[self processSentElement:iq];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+	if (isStarted || enableSent)
+	{
+		[self processSentElement:message];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendPresence:(XMPPPresence *)presence
+{
+	XMPPLogTrace();
+	
+	if (isStarted || enableSent)
+	{
+		[self processSentElement:presence];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	XMPPLogTrace();
+	
+	if (isStarted)
+	{
+		[self processReceivedElement:iq];
+	}
+	
+	return NO;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+	if (isStarted)
+	{
+		[self processReceivedElement:message];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence
+{
+	XMPPLogTrace();
+	
+	if (isStarted)
+	{
+		[self processReceivedElement:presence];
+	}
+}
+
+/**
+ * This method is called if any of the xmppStream:willReceiveX: methods filter the incoming stanza.
+ *
+ * It may be useful for some extensions to know that something was received,
+ * even if it was filtered for some reason.
+**/
+- (void)xmppStreamDidFilterStanza:(XMPPStream *)sender
+{
+	XMPPLogTrace();
+	
+	if (isStarted)
+	{
+		// The element was filtered/consumed by something in the stack.
+		// So it is implicitly 'handled'.
+		
+		XMPPStreamManagementIncomingStanza *stanza =
+		  [[XMPPStreamManagementIncomingStanza alloc] initWithStanzaId:nil isHandled:YES];
+		[unackedByClient addObject:stanza];
+		
+		XMPPLogVerbose(@"%@: xmppStreamDidFilterStanza: lastHandledByClient(%u) pendingToAck(%lu), pendingHandled(%lu)",
+		               THIS_FILE, lastHandledByClient,
+		               (unsigned long)[self numIncomingStanzasThatCanBeAcked],
+		               (unsigned long)[self numIncomingStanzasThatCannnotBeAcked]);
+		
+		if (![self maybeSendAck])
+		{
+			[self maybeUpdateStoredLastHandledByClient];
+		}
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didSendCustomElement:(NSXMLElement *)element
+{
+	XMPPLogTrace();
+	
+	if (enableQueued)
+	{
+		if ([[element name] isEqualToString:@"enable"])
+		{
+			enableQueued = NO;
+			enableSent = YES;
+		}
+	}
+	else if (isStarted)
+	{
+		if ([[element name] isEqualToString:@"r"])
+		{
+			[multicastDelegate xmppStreamManagementDidRequestAck:self];
+		}
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveCustomElement:(NSXMLElement *)element
+{
+	XMPPLogTrace();
+	
+	NSString *elementName = [element name];
+	
+	if ([elementName isEqualToString:@"r"])
+	{
+		// We received a request <r/> from the server.
+		
+		if (ackResponseDelay <= 0.0)
+		{
+			// Immediately respond to the request,
+			// as recommended in the XEP.
+			
+			[self _sendAck];
+		}
+		else if (ackResponseTimer == nil)
+		{
+			// Use client-configured delay before responding to the request.
+			
+			__weak id weakSelf = self;
+			ackResponseTimer = [[XMPPTimer alloc] initWithQueue:moduleQueue eventHandler:^{ @autoreleasepool{
+				
+				[weakSelf _sendAck];
+			}}];
+			
+			[ackResponseTimer startWithTimeout:ackResponseDelay interval:0];
+		}
+	}
+	else if ([elementName isEqualToString:@"a"])
+	{
+		// Try to process the ack.
+		// If we can't yet, then we'll put it into the pendingAcks array.
+		
+		if (![self processReceivedAck:element])
+		{
+			if (unprocessedReceivedAcks == nil)
+				unprocessedReceivedAcks = [[NSMutableArray alloc] initWithCapacity:1];
+			
+			[unprocessedReceivedAcks addObject:element];
+		}
+	}
+	else if ([elementName isEqualToString:@"enabled"])
+	{
+		if (enableSent)
+		{
+			// <enabled xmlns='urn:xmpp:sm:3' id='some-long-sm-id' resume='true'/>
+			
+			NSString *resumptionId = nil;
+			uint32_t max = 0;
+			
+			BOOL canResume = [element attributeBoolValueForName:@"resume" withDefaultValue:NO];
+			if (canResume)
+			{
+				resumptionId = [element attributeStringValueForName:@"id"];
+				max = [element attributeUInt32ValueForName:@"max" withDefaultValue:requestedMax];
+			}
+			
+			[storage setResumptionId:resumptionId
+			                 timeout:max
+			          lastDisconnect:[NSDate date]
+			               forStream:xmppStream];
+			
+			[multicastDelegate xmppStreamManagement:self wasEnabled:element];
+			
+			isStarted = YES;
+			enableSent = NO;
+			
+			lastHandledByClient = 0;
+			lastHandledByServer = 0;
+			
+			unprocessedReceivedAcks = nil;
+		}
+		else
+		{
+			XMPPLogWarn(@"Received unrequested <enabled/> stanza");
+		}
+	}
+	else if ([elementName isEqualToString:@"failed"])
+	{
+		if (enableSent)
+		{
+			[storage removeAllForStream:xmppStream];
+			
+			[multicastDelegate xmppStreamManagement:self wasNotEnabled:element];
+			
+			isStarted = NO;
+			enableSent = NO;
+			
+			[autoRequestTimer cancel];
+			autoRequestTimer = nil;
+		}
+	}
+}
+
+- (void)xmppStreamDidSendClosingStreamStanza:(XMPPStream *)sender
+{
+	XMPPLogTrace();
+	
+	wasCleanDisconnect = YES;
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	XMPPLogTrace();
+	
+	if (wasCleanDisconnect)
+	{
+		disconnectDate = nil;
+		[storage removeAllForStream:xmppStream];
+	}
+	else
+	{
+		disconnectDate = [NSDate date];
+		NSArray *pending = [[NSArray alloc] initWithArray:unackedByServer copyItems:YES];
+		
+		[storage setLastDisconnect:disconnectDate
+		       lastHandledByClient:lastHandledByClient
+		       lastHandledByServer:lastHandledByServer
+		    pendingOutgoingStanzas:pending
+		                 forStream:xmppStream];
+	}
+	
+	// Reset temporary state variables
+	
+	isStarted = NO;
+	enableQueued = NO;
+	enableSent = NO;
+	
+	wasCleanDisconnect = NO;
+	
+	didAttemptResume = NO;
+	didResume = NO;
+	
+	prev_unackedByServer = nil;
+	
+	resume_response = nil;
+	resume_stanzaIds = nil;
+	
+	// Cancel timers
+	
+	[autoRequestTimer cancel];
+	autoRequestTimer = nil;
+	
+	[autoAckTimer cancel];
+	autoAckTimer = nil;
+	
+	[ackResponseTimer cancel];
+	ackResponseTimer = nil;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPStream (XMPPStreamManagement)
+
+- (BOOL)supportsStreamManagement
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// The root element can be properly queried anytime after the
+		// stream:features are received, and TLS has been setup (if required).
+		
+		if (self.state >= STATE_XMPP_POST_NEGOTIATION)
+		{
+			NSXMLElement *features = [self.rootElement elementForName:@"stream:features"];
+			NSXMLElement *sm = [features elementForName:@"sm" xmlns:XMLNS_STREAM_MANAGEMENT];
+			
+			result = (sm != nil);
+		}
+	}};
+	
+	if (dispatch_get_specific(self.xmppQueueTag))
+		block();
+	else
+		dispatch_sync(self.xmppQueue, block);
+	
+	return result;
+}
+
+@end
diff --git a/Extensions/XEP-0199/XMPPAutoPing.h b/Extensions/XEP-0199/XMPPAutoPing.h
new file mode 100644
index 0000000..a224f7f
--- /dev/null
+++ b/Extensions/XEP-0199/XMPPAutoPing.h
@@ -0,0 +1,102 @@
+#import <Foundation/Foundation.h>
+#import "XMPPModule.h"
+#import "XMPPPing.h"
+
+#define _XMPP_AUTO_PING_H
+
+@class XMPPJID;
+
+
+/**
+ * The XMPPAutoPing module sends pings on a designated interval to the target.
+ * The target may simply be the server, or a specific resource.
+ * 
+ * The module only sends pings as needed.
+ * If the xmpp stream is receiving data from the target, there's no need to send a ping.
+ * Only when no data has been received from the target is a ping sent.
+**/
+@interface XMPPAutoPing : XMPPModule {
+@private
+	NSTimeInterval pingInterval;
+	NSTimeInterval pingTimeout;
+	XMPPJID *targetJID;
+	NSString *targetJIDStr;
+	
+	NSTimeInterval lastReceiveTime;
+	dispatch_source_t pingIntervalTimer;
+	
+	BOOL awaitingPingResponse;
+	XMPPPing *xmppPing;
+}
+
+/**
+ * How often to send a ping.
+ * 
+ * The internal timer fires every (pingInterval / 4) seconds.
+ * Upon firing it checks when data was last received from the target,
+ * and sends a ping if the elapsed time has exceeded the pingInterval.
+ * Thus the effective resolution of the timer is based on the configured interval.
+ * 
+ * To temporarily disable auto-ping, set the interval to zero.
+ * 
+ * The default pingInterval is 60 seconds.
+**/
+@property (readwrite) NSTimeInterval pingInterval;
+
+/**
+ * How long to wait after sending a ping before timing out.
+ * 
+ * The timeout is decoupled from the pingInterval to allow for longer pingIntervals,
+ * which avoids flooding the network, and to allow more precise control overall.
+ * 
+ * After a ping is sent, if a reply is not received by this timeout,
+ * the delegate method is invoked.
+ * 
+ * The default pingTimeout is 10 seconds.
+**/
+@property (readwrite) NSTimeInterval pingTimeout;
+
+/**
+ * The target to send pings to.
+ * 
+ * If the targetJID is nil, this implies the target is the xmpp server we're connected to.
+ * In this case, receiving any data means we've received data from the target.
+ * 
+ * If the targetJID is non-nil, it must be a full JID (user@domain.tld/rsrc).
+ * In this case, the module will monitor the stream for data from the given JID.
+ * 
+ * The default targetJID is nil.
+**/
+@property (readwrite, strong) XMPPJID *targetJID;
+
+/**
+ * Corresponds to the last time data was received from the target.
+ * The NSTimeInterval value comes from [NSDate timeIntervalSinceReferenceDate]
+**/
+@property (readonly) NSTimeInterval lastReceiveTime;
+
+/**
+ * XMPPAutoPing is used to automatically send pings on a regular interval.
+ * Sometimes the target is also sending pings to us as well.
+ * If so, you may optionally set respondsToQueries to YES to allow the module to respond to incoming pings.
+ * 
+ * If you create multiple instances of XMPPAutoPing or XMPPPing,
+ * then only one instance should respond to queries. 
+ * 
+ * The default value is NO.
+**/
+@property (readwrite) BOOL respondsToQueries;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPAutoPingDelegate
+@optional
+
+- (void)xmppAutoPingDidSendPing:(XMPPAutoPing *)sender;
+- (void)xmppAutoPingDidReceivePong:(XMPPAutoPing *)sender;
+
+- (void)xmppAutoPingDidTimeout:(XMPPAutoPing *)sender;
+
+@end
diff --git a/Extensions/XEP-0199/XMPPAutoPing.m b/Extensions/XEP-0199/XMPPAutoPing.m
new file mode 100644
index 0000000..5936158
--- /dev/null
+++ b/Extensions/XEP-0199/XMPPAutoPing.m
@@ -0,0 +1,416 @@
+#import "XMPPAutoPing.h"
+#import "XMPPPing.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPAutoPing ()
+- (void)updatePingIntervalTimer;
+- (void)startPingIntervalTimer;
+- (void)stopPingIntervalTimer;
+@end
+
+#pragma mark -
+
+@implementation XMPPAutoPing
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		pingInterval = 60;
+		pingTimeout = 10;
+		
+		lastReceiveTime = 0;
+		
+		xmppPing = [[XMPPPing alloc] initWithDispatchQueue:queue];
+		xmppPing.respondsToQueries = NO;
+		
+		[xmppPing addDelegate:self delegateQueue:moduleQueue];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		[xmppPing activate:aXmppStream];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[self stopPingIntervalTimer];
+		
+		lastReceiveTime = 0;
+		awaitingPingResponse = NO;
+		
+		[xmppPing deactivate];
+		[super deactivate];
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+- (void)dealloc
+{
+	
+	[self stopPingIntervalTimer];
+	
+	[xmppPing removeDelegate:self];
+	
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSTimeInterval)pingInterval
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return pingInterval;
+	}
+	else
+	{
+		__block NSTimeInterval result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = pingInterval;
+		});
+		return result;
+	}
+}
+
+- (void)setPingInterval:(NSTimeInterval)interval
+{
+	dispatch_block_t block = ^{
+		
+		if (pingInterval != interval)
+		{
+			pingInterval = interval;
+			
+			// Update the pingTimer.
+			// 
+			// Depending on new value and current state of the pingTimer,
+			// this may mean starting, stoping, or simply updating the timer.
+			
+			if (pingInterval > 0)
+			{
+				// Remember: Only start the pinger after the xmpp stream is up and authenticated
+				if ([xmppStream isAuthenticated])
+					[self startPingIntervalTimer];
+			}
+			else
+			{
+				[self stopPingIntervalTimer];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSTimeInterval)pingTimeout
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return pingTimeout;
+	}
+	else
+	{
+		__block NSTimeInterval result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = pingTimeout;
+		});
+		return result;
+	}
+}
+
+- (void)setPingTimeout:(NSTimeInterval)timeout
+{
+	dispatch_block_t block = ^{
+		
+		if (pingTimeout != timeout)
+		{
+			pingTimeout = timeout;
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (XMPPJID *)targetJID
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return targetJID;
+	}
+	else
+	{
+		__block XMPPJID *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = targetJID;
+		});
+		return result;
+	}
+}
+
+- (void)setTargetJID:(XMPPJID *)jid
+{
+	dispatch_block_t block = ^{
+		
+		if (![targetJID isEqualToJID:jid])
+		{
+			targetJID = jid;
+			
+			targetJIDStr = [targetJID full];
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSTimeInterval)lastReceiveTime
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return lastReceiveTime;
+	}
+	else
+	{
+		__block NSTimeInterval result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = lastReceiveTime;
+		});
+		return result;
+	}
+}
+
+- (BOOL)respondsToQueries
+{
+	return xmppPing.respondsToQueries;
+}
+
+- (void)setRespondsToQueries:(BOOL)respondsToQueries
+{
+	xmppPing.respondsToQueries = respondsToQueries;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Ping Interval
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handlePingIntervalTimerFire
+{
+	if (awaitingPingResponse) return;
+	
+	BOOL sendPing = NO;
+	
+	if (lastReceiveTime == 0)
+	{
+		sendPing = YES;
+	}
+	else
+	{
+		NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
+		NSTimeInterval elapsed = (now - lastReceiveTime);
+		
+		XMPPLogTrace2(@"%@: %@ - elapsed(%f)", [self class], THIS_METHOD, elapsed);
+		
+		sendPing = ((elapsed < 0) || (elapsed >= pingInterval));
+	}
+	
+	if (sendPing)
+	{
+		awaitingPingResponse = YES;
+		
+		if (targetJID)
+			[xmppPing sendPingToJID:targetJID withTimeout:pingTimeout];
+		else
+			[xmppPing sendPingToServerWithTimeout:pingTimeout];
+		
+		[multicastDelegate xmppAutoPingDidSendPing:self];
+	}
+}
+
+- (void)updatePingIntervalTimer
+{
+	XMPPLogTrace();
+	
+	NSAssert(pingIntervalTimer != NULL, @"Broken logic (1)");
+	NSAssert(pingInterval > 0, @"Broken logic (2)");
+	
+	// The timer fires every (pingInterval / 4) seconds.
+	// Upon firing it checks when data was last received from the target,
+	// and sends a ping if the elapsed time has exceeded the pingInterval.
+	// Thus the effective resolution of the timer is based on the configured pingInterval.
+	
+	uint64_t interval = ((pingInterval / 4.0) * NSEC_PER_SEC);
+	
+	// The timer's first fire should occur 'interval' after lastReceiveTime.
+	// If there is no lastReceiveTime, then the timer's first fire should occur 'interval' after now.
+	
+	NSTimeInterval diff;
+	if (lastReceiveTime == 0)
+		diff = 0.0;
+	else
+		diff = lastReceiveTime - [NSDate timeIntervalSinceReferenceDate];;
+	
+	dispatch_time_t bt = dispatch_time(DISPATCH_TIME_NOW, (diff * NSEC_PER_SEC));
+	dispatch_time_t tt = dispatch_time(bt, interval);
+	
+	dispatch_source_set_timer(pingIntervalTimer, tt, interval, 0);
+}
+
+- (void)startPingIntervalTimer
+{
+	XMPPLogTrace();
+	
+	if (pingInterval <= 0)
+	{
+		// Pinger is disabled
+		return;
+	}
+	
+	BOOL newTimer = NO;
+	
+	if (pingIntervalTimer == NULL)
+	{
+		newTimer = YES;
+		pingIntervalTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+		
+		dispatch_source_set_event_handler(pingIntervalTimer, ^{ @autoreleasepool {
+			
+			[self handlePingIntervalTimerFire];
+			
+		}});
+	}
+	
+	[self updatePingIntervalTimer];
+	
+	if (newTimer)
+	{
+		dispatch_resume(pingIntervalTimer);
+	}
+}
+
+- (void)stopPingIntervalTimer
+{
+	XMPPLogTrace();
+	
+	if (pingIntervalTimer)
+	{
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(pingIntervalTimer);
+		#endif
+		pingIntervalTimer = NULL;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPPing Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppPing:(XMPPPing *)sender didReceivePong:(XMPPIQ *)pong withRTT:(NSTimeInterval)rtt
+{
+	XMPPLogTrace();
+	
+	awaitingPingResponse = NO;
+	[multicastDelegate xmppAutoPingDidReceivePong:self];
+}
+
+- (void)xmppPing:(XMPPPing *)sender didNotReceivePong:(NSString *)pingID dueToTimeout:(NSTimeInterval)timeout
+{
+	XMPPLogTrace();
+	
+	awaitingPingResponse = NO;
+	[multicastDelegate xmppAutoPingDidTimeout:self];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	lastReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	awaitingPingResponse = NO;
+	
+	[self startPingIntervalTimer];
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	if (targetJID == nil || [targetJIDStr isEqualToString:[iq fromStr]])
+	{
+		lastReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	}
+	
+	return NO;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	if (targetJID == nil || [targetJIDStr isEqualToString:[message fromStr]])
+	{
+		lastReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	}
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceivePresence:(XMPPPresence *)presence
+{
+	if (targetJID == nil || [targetJIDStr isEqualToString:[presence fromStr]])
+	{
+		lastReceiveTime = [NSDate timeIntervalSinceReferenceDate];
+	}
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[self stopPingIntervalTimer];
+	
+	lastReceiveTime = 0;
+	awaitingPingResponse = NO;
+}
+
+@end
diff --git a/Extensions/XEP-0199/XMPPPing.h b/Extensions/XEP-0199/XMPPPing.h
new file mode 100644
index 0000000..6cc145b
--- /dev/null
+++ b/Extensions/XEP-0199/XMPPPing.h
@@ -0,0 +1,51 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_PING_H
+
+@class XMPPIDTracker;
+
+
+@interface XMPPPing : XMPPModule
+{
+	BOOL respondsToQueries;
+	XMPPIDTracker *pingTracker;
+}
+
+/**
+ * Whether or not the module should respond to incoming ping queries.
+ * It you create multiple instances of this module, only one instance should respond to queries.
+ * 
+ * It is recommended you set this (if needed) before you activate the module.
+ * The default value is YES.
+**/
+@property (readwrite) BOOL respondsToQueries;
+
+/**
+ * Send pings to the server or a specific JID.
+ * The disco module may be used to detect if the target supports ping.
+ * 
+ * The returned string is the pingID (the elementID of the query that was sent).
+ * In other words:
+ * 
+ * SEND: <iq id="<returned_string>" type="get" .../>
+ * RECV: <iq id="<returned_string>" type="result" .../>
+ * 
+ * This may be helpful if you are sending multiple simultaneous pings to the same target.
+**/
+- (NSString *)sendPingToServer;
+- (NSString *)sendPingToServerWithTimeout:(NSTimeInterval)timeout;
+- (NSString *)sendPingToJID:(XMPPJID *)jid;
+- (NSString *)sendPingToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout;
+
+@end
+
+@protocol XMPPPingDelegate
+@optional
+
+- (void)xmppPing:(XMPPPing *)sender didReceivePong:(XMPPIQ *)pong withRTT:(NSTimeInterval)rtt;
+- (void)xmppPing:(XMPPPing *)sender didNotReceivePong:(NSString *)pingID dueToTimeout:(NSTimeInterval)timeout;
+
+// Note: If the xmpp stream is disconnected, no delegate methods will be called, and outstanding pings are forgotten.
+
+@end
diff --git a/Extensions/XEP-0199/XMPPPing.m b/Extensions/XEP-0199/XMPPPing.m
new file mode 100644
index 0000000..e733ab7
--- /dev/null
+++ b/Extensions/XEP-0199/XMPPPing.m
@@ -0,0 +1,314 @@
+#import "XMPPPing.h"
+#import "XMPPIDTracker.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define DEFAULT_TIMEOUT 30.0 // seconds
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPPingInfo : XMPPBasicTrackingInfo
+{
+	NSDate *timeSent;
+}
+
+@property (nonatomic, readonly) NSDate *timeSent;
+
+- (NSTimeInterval)rtt;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPPing
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		respondsToQueries = YES;
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+	#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+	#endif
+		
+		pingTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[pingTracker removeAllIDs];
+		pingTracker = nil;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	[super deactivate];
+}
+
+
+- (BOOL)respondsToQueries
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return respondsToQueries;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = respondsToQueries;
+		});
+		return result;
+	}
+}
+
+- (void)setRespondsToQueries:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (respondsToQueries != flag)
+		{
+			respondsToQueries = flag;
+			
+		#ifdef _XMPP_CAPABILITIES_H
+			@autoreleasepool {
+				// Capabilities may have changed, need to notify others.
+				[xmppStream resendMyPresence];
+			}
+		#endif
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSString *)generatePingIDWithTimeout:(NSTimeInterval)timeout
+{
+	// This method may be invoked on any thread/queue.
+	
+	// Generate unique ID for Ping packet
+	// It's important the ID be unique as the ID is the only thing that distinguishes a pong packet
+	
+	NSString *pingID = [xmppStream generateUUID];
+	
+	dispatch_async(moduleQueue, ^{ @autoreleasepool {
+		
+		XMPPPingInfo *pingInfo = [[XMPPPingInfo alloc] initWithTarget:self
+		                                                     selector:@selector(handlePong:withInfo:)
+		                                                      timeout:timeout];
+		
+		[pingTracker addID:pingID trackingInfo:pingInfo];
+		
+	}});
+	
+	return pingID;
+}
+
+- (NSString *)sendPingToServer
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	return [self sendPingToServerWithTimeout:DEFAULT_TIMEOUT];
+}
+
+- (NSString *)sendPingToServerWithTimeout:(NSTimeInterval)timeout
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	NSString *pingID = [self generatePingIDWithTimeout:timeout];
+	
+	// Send ping packet
+	// 
+	// <iq type="get" id="pingID">
+	//   <ping xmlns="urn:xmpp:ping"/>
+	// </iq>
+	
+	NSXMLElement *ping = [NSXMLElement elementWithName:@"ping" xmlns:@"urn:xmpp:ping"];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:nil elementID:pingID child:ping];
+	
+	[xmppStream sendElement:iq];
+	
+	return pingID;
+}
+
+- (NSString *)sendPingToJID:(XMPPJID *)jid
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	return [self sendPingToJID:jid withTimeout:DEFAULT_TIMEOUT];
+}
+
+- (NSString *)sendPingToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	NSString *pingID = [self generatePingIDWithTimeout:timeout];
+	
+	// Send ping element
+	// 
+	// <iq to="fullJID" type="get" id="pingID">
+	//   <ping xmlns="urn:xmpp:ping"/>
+	// </iq>
+	
+	NSXMLElement *ping = [NSXMLElement elementWithName:@"ping" xmlns:@"urn:xmpp:ping"];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:jid elementID:pingID child:ping];
+	
+	[xmppStream sendElement:iq];
+	
+	return pingID;
+}
+
+- (void)handlePong:(XMPPIQ *)pongIQ withInfo:(XMPPPingInfo *)pingInfo
+{
+	if (pongIQ)
+	{
+		[multicastDelegate xmppPing:self didReceivePong:pongIQ withRTT:[pingInfo rtt]];
+	}
+	else
+	{
+		// Timeout
+		
+		[multicastDelegate xmppPing:self didNotReceivePong:[pingInfo elementID] dueToTimeout:[pingInfo timeout]];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// This method is invoked on the moduleQueue.
+	
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
+	{
+		// Example:
+		// 
+		// <iq from="deusty.com" to="robbiehanson@deusty.com/work" id="abc123" type="result"/>
+		
+		// If this is a response to a ping that we've sent,
+		// then the pingTracker will invoke our handlePong:withInfo: method and return YES.
+		
+		return [pingTracker invokeForID:[iq elementID] withObject:iq];
+	}
+	else if (respondsToQueries && [type isEqualToString:@"get"])
+	{
+		// Example:
+		// 
+		// <iq from="deusty.com" to="robbiehanson@deusty.com/work" id="zhq325" type="get">
+		//   <ping xmlns="urn:xmpp:ping"/>
+		// </iq>
+		
+		NSXMLElement *ping = [iq elementForName:@"ping" xmlns:@"urn:xmpp:ping"];
+		if (ping)
+		{
+			XMPPIQ *pong = [XMPPIQ iqWithType:@"result" to:[iq from] elementID:[iq elementID]];
+			
+			[sender sendElement:pong];
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[pingTracker removeAllIDs];
+}
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for ping.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	// This method is invoked on the moduleQueue.
+	
+	if (respondsToQueries)
+	{
+		// <query xmlns="http://jabber.org/protocol/disco#info">
+		//   ...
+		//   <feature var="urn:xmpp:ping"/>
+		//   ...
+		// </query>
+		
+		NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+		[feature addAttributeWithName:@"var" stringValue:@"urn:xmpp:ping"];
+		
+		[query addChild:feature];
+	}
+}
+#endif
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPPingInfo
+
+@synthesize timeSent;
+
+- (id)initWithTarget:(id)aTarget selector:(SEL)aSelector timeout:(NSTimeInterval)aTimeout
+{
+	if ((self = [super initWithTarget:aTarget selector:aSelector timeout:aTimeout]))
+	{
+		timeSent = [[NSDate alloc] init];
+	}
+	return self;
+}
+
+- (NSTimeInterval)rtt
+{
+	return [timeSent timeIntervalSinceNow] * -1.0;
+}
+
+
+@end
diff --git a/Extensions/XEP-0202/XMPPAutoTime.h b/Extensions/XEP-0202/XMPPAutoTime.h
new file mode 100644
index 0000000..7bd7c72
--- /dev/null
+++ b/Extensions/XEP-0202/XMPPAutoTime.h
@@ -0,0 +1,124 @@
+#import "XMPP.h"
+#import "XMPPTime.h"
+
+#define _XMPP_AUTO_TIME_H
+
+@class XMPPJID;
+
+/**
+ * The XMPPAutoTime module monitors the time difference between our machine and the target.
+ * The target may simply be the server, or a specific resource.
+ * 
+ * The module works by sending time queries to the target, and tracking the responses.
+ * The module will automatically send multiple queuries, and take into account the average RTT.
+ * It will also automatically update itself on a customizable interval, and whenever the machine's clock changes.
+ * 
+ * This module is helpful when you are using timestamps from the target.
+ * For example, you may be receiving offline messages from your server.
+ * However, all these offline messages are timestamped from the server's clock.
+ * And the current machine's clock may vary considerably from the server's clock.
+ * Timezone differences don't matter as UTC is always used in XMPP, but clocks can easily differ.
+ * This may cause the user some confusion as server timestamps may reflect a time in the future,
+ * or much longer ago than in reality.
+**/
+@interface XMPPAutoTime : XMPPModule
+{
+	NSTimeInterval recalibrationInterval;
+	XMPPJID *targetJID;
+	NSTimeInterval timeDifference;
+	
+	dispatch_time_t lastCalibrationTime;
+	dispatch_source_t recalibrationTimer;
+	
+	BOOL awaitingQueryResponse;
+	XMPPTime *xmppTime;
+	
+	NSData *lastServerAddress;
+	
+	NSDate *systemUptimeChecked;
+	NSTimeInterval systemUptime;
+}
+
+/**
+ * How often to recalibrate the time difference.
+ * 
+ * The module will automatically calculate the time difference when it is activated,
+ * or when it first sees the xmppStream become authenticated (whichever occurs first).
+ * After that first calculation, it will update itself according to this interval.
+ * 
+ * To temporarily disable recalibration, set the interval to zero.
+ * 
+ * The default recalibrationInterval is 24 hours.
+**/
+@property (readwrite) NSTimeInterval recalibrationInterval;
+
+/**
+ * The target to query.
+ * 
+ * If the targetJID is nil, this implies the target is the xmpp server we're connected to.
+ * If the targetJID is non-nil, it must be a full JID (user@domain.tld/rsrc).
+ * 
+ * The default targetJID is nil.
+**/
+@property (readwrite, strong) XMPPJID *targetJID;
+
+/**
+ * Returns the calculated time difference between our machine and the target.
+ * 
+ * This is NOT a reference to the difference in time zones.
+ * Time zone differences generally shouldn't matter as xmpp standards mandate the use of UTC.
+ * 
+ * Rather this is the difference between our UTC time, and the remote party's UTC time.
+ * If the two clocks are not synchronized, then the result represents the approximate difference.
+ * 
+ * If our clock is earlier than the remote clock, then the value will be negative.
+ * If our clock is ahead of the remote clock, then the value will be positive.
+ * 
+ * If you later receive a timestamp from the remote party, you can simply add the diff.
+ * For example:
+ * 
+ * myTime = [givenTimeFromRemoteParty dateByAddingTimeInterval:diff];
+**/
+@property (readonly) NSTimeInterval timeDifference;
+
+/**
+ * Returns the date of the target based on the time difference.
+**/
+@property (readonly) NSDate *date;
+
+/**
+ * The last time we've completed a calibration.
+**/
+@property (readonly) dispatch_time_t lastCalibrationTime;
+
+/**
+ * XMPPAutoTime is used to automatically query a target for its time (and calculate the difference).
+ * Sometimes the target is also sending time requests to us as well.
+ * If so, you may optionally set respondsToQueries to YES to allow the module to respond to incoming time queries.
+ * 
+ * If you create multiple instances of XMPPAutoTime or XMPPTime,
+ * then only one instance should respond to queries. 
+ * 
+ * The default value is NO.
+**/
+@property (readwrite) BOOL respondsToQueries;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPAutoTimeDelegate
+@optional
+
+- (void)xmppAutoTime:(XMPPAutoTime *)sender didUpdateTimeDifference:(NSTimeInterval)timeDifference;
+
+@end
+
+@interface XMPPStream (XMPPAutoTime)
+
+- (NSTimeInterval)xmppAutoTime_timeDifferenceForTargetJID:(XMPPJID *)targetJID;
+- (NSDate *)xmppAutoTime_dateForTargetJID:(XMPPJID *)targetJID;
+
+@end
diff --git a/Extensions/XEP-0202/XMPPAutoTime.m b/Extensions/XEP-0202/XMPPAutoTime.m
new file mode 100644
index 0000000..86037d6
--- /dev/null
+++ b/Extensions/XEP-0202/XMPPAutoTime.m
@@ -0,0 +1,488 @@
+#import "XMPPAutoTime.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@interface XMPPAutoTime ()
+
+@property (nonatomic, strong) NSData *lastServerAddress;
+@property (nonatomic, strong) NSDate *systemUptimeChecked;
+
+- (void)updateRecalibrationTimer;
+- (void)startRecalibrationTimer;
+- (void)stopRecalibrationTimer;
+@end
+
+#pragma mark -
+
+@implementation XMPPAutoTime
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		recalibrationInterval = (60 * 60 * 24);
+		
+		lastCalibrationTime = DISPATCH_TIME_FOREVER;
+		
+		xmppTime = [[XMPPTime alloc] initWithDispatchQueue:queue];
+		xmppTime.respondsToQueries = NO;
+		
+		[xmppTime addDelegate:self delegateQueue:moduleQueue];
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+		[xmppTime activate:aXmppStream];
+		
+		self.systemUptimeChecked = [NSDate date];
+		systemUptime = [[NSProcessInfo processInfo] systemUptime];
+		
+		[[NSNotificationCenter defaultCenter] addObserver:self
+		                                         selector:@selector(systemClockDidChange:)
+		                                             name:NSSystemClockDidChangeNotification
+		                                           object:nil];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[self stopRecalibrationTimer];
+		
+		[xmppTime deactivate];
+		awaitingQueryResponse = NO;
+		
+		[[NSNotificationCenter defaultCenter] removeObserver:self];
+		
+		[super deactivate];
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+- (void)dealloc
+{
+	// recalibrationTimer released in [self deactivate]
+	
+	[xmppTime removeDelegate:self];
+	xmppTime = nil; // Might be referenced via [super dealloc] -> [self deactivate]
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize lastServerAddress;
+@synthesize systemUptimeChecked;
+
+- (NSTimeInterval)recalibrationInterval
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return recalibrationInterval;
+	}
+	else
+	{
+		__block NSTimeInterval result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = recalibrationInterval;
+		});
+		return result;
+	}
+}
+
+- (void)setRecalibrationInterval:(NSTimeInterval)interval
+{
+	dispatch_block_t block = ^{
+		
+		if (recalibrationInterval != interval)
+		{
+			recalibrationInterval = interval;
+			
+			// Update the recalibrationTimer.
+			// 
+			// Depending on new value and current state of the recalibrationTimer,
+			// this may mean starting, stoping, or simply updating the timer.
+			
+			if (recalibrationInterval > 0)
+			{
+				// Remember: Only start the timer after the xmpp stream is up and authenticated
+				if ([xmppStream isAuthenticated])
+					[self startRecalibrationTimer];
+			}
+			else
+			{
+				[self stopRecalibrationTimer];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (XMPPJID *)targetJID
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return targetJID;
+	}
+	else
+	{
+		__block XMPPJID *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = targetJID;
+		});
+		return result;
+	}
+}
+
+- (void)setTargetJID:(XMPPJID *)jid
+{
+	dispatch_block_t block = ^{
+		
+		if (![targetJID isEqualToJID:jid])
+		{
+			targetJID = jid;
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSTimeInterval)timeDifference
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return timeDifference;
+	}
+	else
+	{
+		__block NSTimeInterval result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = timeDifference;
+		});
+		
+		return result;
+	}
+}
+
+- (NSDate *)date
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return [[NSDate date] dateByAddingTimeInterval:-timeDifference];
+	}
+	else
+	{
+		__block NSDate *result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = [[NSDate date] dateByAddingTimeInterval:-timeDifference];
+		});
+		
+		return result;
+	}
+}
+
+- (dispatch_time_t)lastCalibrationTime
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return lastCalibrationTime;
+	}
+	else
+	{
+		__block dispatch_time_t result;
+	
+		dispatch_sync(moduleQueue, ^{
+			result = lastCalibrationTime;
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)respondsToQueries
+{
+	return xmppTime.respondsToQueries;
+}
+
+- (void)setRespondsToQueries:(BOOL)respondsToQueries
+{
+	xmppTime.respondsToQueries = respondsToQueries;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Notifications
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)systemClockDidChange:(NSNotification *)notification
+{
+	XMPPLogTrace();
+	XMPPLogVerbose(@"NSSystemClockDidChangeNotification: %@", notification);
+	
+	if (lastCalibrationTime == DISPATCH_TIME_FOREVER)
+	{
+		// Doesn't matter, we haven't done a calibration yet.
+		return;
+	}
+	
+	// When the system clock changes, this affects our timeDifference.
+	// However, the notification doesn't tell us by how much the system clock has changed.
+	// So here's how we figure it out:
+	// 
+	// The systemUptime isn't affected by the system clock.
+	// We previously recorded the system uptime, and simultaneously recoded the system clock time.
+	// We can now grab the current system uptime and current system clock time.
+	// Using the four data points we can calculate how much the system clock has changed.
+	
+	NSDate *now = [NSDate date];
+	NSTimeInterval sysUptime = [[NSProcessInfo processInfo] systemUptime];
+	
+	dispatch_async(moduleQueue, ^{ @autoreleasepool {
+		
+		// Calculate system clock change
+		
+		NSDate *oldSysTime = systemUptimeChecked;
+		NSDate *newSysTime = now;
+		
+		NSTimeInterval oldSysUptime = systemUptime;
+		NSTimeInterval newSysUptime = sysUptime;
+		
+		NSTimeInterval sysTimeDiff = [newSysTime timeIntervalSinceDate:oldSysTime];
+		NSTimeInterval sysUptimeDiff = newSysUptime - oldSysUptime;
+		
+		NSTimeInterval sysClockChange = sysTimeDiff - sysUptimeDiff;
+		
+		// Modify timeDifference & notify delegate
+		
+		timeDifference += sysClockChange;
+		[multicastDelegate xmppAutoTime:self didUpdateTimeDifference:timeDifference];
+		
+		// Dont forget to update our variables
+		
+		self.systemUptimeChecked = now;
+		systemUptime = sysUptime;
+		
+	}});
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Recalibration Timer
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)handleRecalibrationTimerFire
+{
+	XMPPLogTrace();
+	
+	if (awaitingQueryResponse) return;
+	
+	awaitingQueryResponse = YES;
+	
+	if (targetJID)
+		[xmppTime sendQueryToJID:targetJID];
+	else
+		[xmppTime sendQueryToServer];
+}
+
+- (void)updateRecalibrationTimer
+{
+	XMPPLogTrace();
+	
+	NSAssert(recalibrationTimer != NULL, @"Broken logic (1)");
+	NSAssert(recalibrationInterval > 0, @"Broken logic (2)");
+	
+	
+	uint64_t interval = (recalibrationInterval * NSEC_PER_SEC);
+	dispatch_time_t tt;
+	
+	if (lastCalibrationTime == DISPATCH_TIME_FOREVER)
+		tt = dispatch_time(DISPATCH_TIME_NOW, 0);          // First timer fire at (NOW)
+	else
+		tt = dispatch_time(lastCalibrationTime, interval); // First timer fire at (lastCalibrationTime + interval)
+	
+	dispatch_source_set_timer(recalibrationTimer, tt, interval, 0);
+}
+
+- (void)startRecalibrationTimer
+{
+	XMPPLogTrace();
+	
+	if (recalibrationInterval <= 0)
+	{
+		// Timer is disabled
+		return;
+	}
+	
+	BOOL newTimer = NO;
+	
+	if (recalibrationTimer == NULL)
+	{
+		newTimer = YES;
+		recalibrationTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, moduleQueue);
+		
+		dispatch_source_set_event_handler(recalibrationTimer, ^{ @autoreleasepool {
+			
+			[self handleRecalibrationTimerFire];
+			
+		}});
+	}
+	
+	[self updateRecalibrationTimer];
+	
+	if (newTimer)
+	{
+		dispatch_resume(recalibrationTimer);
+	}
+}
+
+- (void)stopRecalibrationTimer
+{
+	XMPPLogTrace();
+	
+	if (recalibrationTimer)
+	{
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(recalibrationTimer);
+		#endif
+		recalibrationTimer = NULL;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPTime Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppTime:(XMPPTime *)sender didReceiveResponse:(XMPPIQ *)iq withRTT:(NSTimeInterval)rtt
+{
+	XMPPLogTrace();
+	
+	awaitingQueryResponse = NO;
+	
+	lastCalibrationTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+	timeDifference = [XMPPTime approximateTimeDifferenceFromResponse:iq andRTT:rtt];
+		
+	[multicastDelegate xmppAutoTime:self didUpdateTimeDifference:timeDifference];
+}
+
+- (void)xmppTime:(XMPPTime *)sender didNotReceiveResponse:(NSString *)queryID dueToTimeout:(NSTimeInterval)timeout
+{
+	XMPPLogTrace();
+	
+	awaitingQueryResponse = NO;
+	
+	// Nothing to do here really. Most likely the server doesn't support XEP-0202.
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStream:(XMPPStream *)sender socketDidConnect:(GCDAsyncSocket *)socket
+{
+	NSData *currentServerAddress = [socket connectedAddress];
+	
+	if (lastServerAddress == nil)
+	{
+		self.lastServerAddress = currentServerAddress;
+	}
+	else if (![lastServerAddress isEqualToData:currentServerAddress])
+	{
+		XMPPLogInfo(@"%@: Connected to a different server. Resetting calibration info.", [self class]);
+		
+		lastCalibrationTime = DISPATCH_TIME_FOREVER;
+		timeDifference = 0.0;
+		
+		self.lastServerAddress = currentServerAddress;
+	}
+}
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	[self startRecalibrationTimer];
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[self stopRecalibrationTimer];
+	
+	awaitingQueryResponse = NO;
+	
+	// We do NOT reset the lastCalibrationTime here.
+	// If we reconnect to the same server, the lastCalibrationTime remains valid.
+}
+
+@end
+
+@implementation XMPPStream (XMPPAutoTime)
+
+- (NSTimeInterval)xmppAutoTime_timeDifferenceForTargetJID:(XMPPJID *)targetJID
+{
+    __block NSTimeInterval timeDifference = 0.0;
+    
+    [self enumerateModulesOfClass:[XMPPAutoTime class] withBlock:^(XMPPModule *module, NSUInteger idx, BOOL *stop) {
+       
+        XMPPAutoTime *autoTime = (XMPPAutoTime *)module;
+        
+        if([targetJID isEqualToJID:autoTime.targetJID] || (!targetJID && !autoTime.targetJID))
+        {
+            timeDifference = autoTime.timeDifference;
+            *stop = YES;
+        }
+    }];
+    
+    return timeDifference;
+}
+
+- (NSDate *)xmppAutoTime_dateForTargetJID:(XMPPJID *)targetJID
+{
+    __block NSDate *date = [NSDate date];
+    
+    [self enumerateModulesOfClass:[XMPPAutoTime class] withBlock:^(XMPPModule *module, NSUInteger idx, BOOL *stop) {
+        
+        XMPPAutoTime *autoTime = (XMPPAutoTime *)module;
+        
+        if([targetJID isEqualToJID:autoTime.targetJID] || (!targetJID && !autoTime.targetJID))
+        {
+            date = autoTime.date;
+            *stop = YES;
+        }
+    }];
+    
+    return date;
+}
+
+@end
diff --git a/Extensions/XEP-0202/XMPPTime.h b/Extensions/XEP-0202/XMPPTime.h
new file mode 100644
index 0000000..4d8799b
--- /dev/null
+++ b/Extensions/XEP-0202/XMPPTime.h
@@ -0,0 +1,90 @@
+#import <Foundation/Foundation.h>
+#import "XMPP.h"
+
+#define _XMPP_TIME_H
+
+@class XMPPIDTracker;
+@protocol XMPPTimeDelegate;
+
+
+@interface XMPPTime : XMPPModule
+{
+	BOOL respondsToQueries;
+	XMPPIDTracker *queryTracker;
+}
+
+/**
+ * Whether or not the module should respond to incoming time queries.
+ * It you create multiple instances of this module, only one instance should respond to queries.
+ * 
+ * It is recommended you set this (if needed) before you activate the module.
+ * The default value is YES.
+**/
+@property (readwrite) BOOL respondsToQueries;
+
+/**
+ * Send query to the server or a specific JID.
+ * The disco module may be used to detect if the target supports this XEP.
+ * 
+ * The returned string is the queryID (the elementID of the query that was sent).
+ * In other words:
+ * 
+ * SEND: <iq id="<returned_string>" type="get" .../>
+ * RECV: <iq id="<returned_string>" type="result" .../>
+ * 
+ * This may be helpful if you are sending multiple simultaneous queries to the same target.
+**/
+- (NSString *)sendQueryToServer;
+- (NSString *)sendQueryToServerWithTimeout:(NSTimeInterval)timeout;
+- (NSString *)sendQueryToJID:(XMPPJID *)jid;
+- (NSString *)sendQueryToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout;
+
+/**
+ * Extracts the utc date from the given response/time element,
+ * and returns an NSDate representation of the time in the local time zone.
+ * Since the returned date is in the local time zone, it is suitable for presentation.
+**/
++ (NSDate *)dateFromResponse:(XMPPIQ *)iq;
+
+/**
+ * Extracts the time zone offset from the given response/time element.
+**/
++ (NSTimeZone *)timeZoneOffsetFromResponse:(XMPPIQ *)iq;
+
+/**
+ * Given the returned time response from a remote party, and the approximate round trip time,
+ * calculates the difference between our clock and the remote party's clock.
+ * 
+ * This is NOT a reference to the difference in time zones.
+ * Time zone differences generally shouldn't matter as xmpp standards mandate the use of UTC.
+ * 
+ * Rather this is the difference between our UTC time, and the remote party's UTC time.
+ * If the two clocks are not synchronized, then the result represents the approximate difference.
+ * 
+ * If our clock is earlier than the remote clock, then the result will be negative.
+ * If our clock is ahead of the remote clock, then the result will be positive.
+ * 
+ * If you later receive a timestamp from the remote party, you could add the diff.
+ * For example:
+ * 
+ * myTime = [givenTimeFromRemoteParty dateByAddingTimeInterval:diff];
+**/
++ (NSTimeInterval)approximateTimeDifferenceFromResponse:(XMPPIQ *)iq andRTT:(NSTimeInterval)rtt;
+
+/**
+ * Creates and returns a time element.
+**/
++ (NSXMLElement *)timeElement;
++ (NSXMLElement *)timeElementFromDate:(NSDate *)date;
+
+@end
+
+@protocol XMPPTimeDelegate
+@optional
+
+- (void)xmppTime:(XMPPTime *)sender didReceiveResponse:(XMPPIQ *)iq withRTT:(NSTimeInterval)rtt;
+- (void)xmppTime:(XMPPTime *)sender didNotReceiveResponse:(NSString *)queryID dueToTimeout:(NSTimeInterval)timeout;
+
+// Note: If the xmpp stream is disconnected, no delegate methods will be called, and outstanding queries are forgotten.
+
+@end
diff --git a/Extensions/XEP-0202/XMPPTime.m b/Extensions/XEP-0202/XMPPTime.m
new file mode 100644
index 0000000..3e09cd5
--- /dev/null
+++ b/Extensions/XEP-0202/XMPPTime.m
@@ -0,0 +1,505 @@
+#import "XMPPTime.h"
+#import "XMPPIDTracker.h"
+#import "XMPPDateTimeProfiles.h"
+#import "XMPPFramework.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define DEFAULT_TIMEOUT  30.0 // seconds
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPTimeQueryInfo : XMPPBasicTrackingInfo
+{
+	NSDate *timeSent;
+}
+
+@property (nonatomic, readonly) NSDate *timeSent;
+
+- (NSTimeInterval)rtt;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPTime
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		respondsToQueries = YES;
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+	#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+	#endif
+		
+		queryTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		[queryTracker removeAllIDs];
+		queryTracker = nil;
+		
+	}};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	[super deactivate];
+}
+
+
+- (BOOL)respondsToQueries
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return respondsToQueries;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = respondsToQueries;
+		});
+		return result;
+	}
+}
+
+- (void)setRespondsToQueries:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (respondsToQueries != flag)
+		{
+			respondsToQueries = flag;
+			
+		#ifdef _XMPP_CAPABILITIES_H
+			@autoreleasepool {
+				// Capabilities may have changed, need to notify others.
+				[xmppStream resendMyPresence];
+			}
+		#endif
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (NSString *)generateQueryIDWithTimeout:(NSTimeInterval)timeout
+{
+	// This method may be invoked on any thread/queue.
+	
+	// Generate unique ID for query.
+	// It's important the ID be unique as the ID is the
+	// only thing that distinguishes multiple queries from each other.
+	
+	NSString *queryID = [xmppStream generateUUID];
+	
+	dispatch_async(moduleQueue, ^{ @autoreleasepool {
+		
+		XMPPTimeQueryInfo *queryInfo = [[XMPPTimeQueryInfo alloc] initWithTarget:self
+		                                                                selector:@selector(handleResponse:withInfo:)
+		                                                                 timeout:timeout];
+		
+		[queryTracker addID:queryID trackingInfo:queryInfo];
+		
+	}});
+	
+	return queryID;
+}
+
+- (NSString *)sendQueryToServer
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	return [self sendQueryToServerWithTimeout:DEFAULT_TIMEOUT];
+}
+
+- (NSString *)sendQueryToServerWithTimeout:(NSTimeInterval)timeout
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	NSString *queryID = [self generateQueryIDWithTimeout:timeout];
+	
+	// Send ping packet
+	// 
+	// <iq type="get" to="domain" id="queryID">
+	//   <time xmlns="urn:xmpp:time"/>
+	// </iq>
+	// 
+	// Note: Sometimes the to attribute is required. (ejabberd)
+	
+	NSXMLElement *time = [NSXMLElement elementWithName:@"time" xmlns:@"urn:xmpp:time"];
+	XMPPJID *domainJID = [[xmppStream myJID] domainJID];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:domainJID elementID:queryID child:time];
+	
+	[xmppStream sendElement:iq];
+	
+	return queryID;
+}
+
+- (NSString *)sendQueryToJID:(XMPPJID *)jid
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	return [self sendQueryToJID:jid withTimeout:DEFAULT_TIMEOUT];
+}
+
+- (NSString *)sendQueryToJID:(XMPPJID *)jid withTimeout:(NSTimeInterval)timeout
+{
+	// This is a public method.
+	// It may be invoked on any thread/queue.
+	
+	NSString *queryID = [self generateQueryIDWithTimeout:timeout];
+	
+	// Send ping element
+	// 
+	// <iq type="get" to="fullJID" id="abc123">
+	//   <time xmlns="urn:xmpp:time"/>
+	// </iq>
+	
+	NSXMLElement *time = [NSXMLElement elementWithName:@"time" xmlns:@"urn:xmpp:time"];
+	
+	XMPPIQ *iq = [XMPPIQ iqWithType:@"get" to:jid elementID:queryID child:time];
+	
+	[xmppStream sendElement:iq];
+	
+	return queryID;
+}
+
+- (void)handleResponse:(XMPPIQ *)iq withInfo:(XMPPTimeQueryInfo *)queryInfo
+{
+	if (iq)
+	{
+		if ([[iq type] isEqualToString:@"result"])
+			[multicastDelegate xmppTime:self didReceiveResponse:iq withRTT:[queryInfo rtt]];
+		else
+			[multicastDelegate xmppTime:self didNotReceiveResponse:[queryInfo elementID] dueToTimeout:-1.0];
+	}
+	else
+	{
+		[multicastDelegate xmppTime:self didNotReceiveResponse:[queryInfo elementID] dueToTimeout:[queryInfo timeout]];
+	}
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+	// This method is invoked on the moduleQueue.
+	
+	NSString *type = [iq type];
+	
+	if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
+	{
+		// Examples:
+		// 
+		// <iq type="result" from="robbie@voalte.com/office" to="robbie@deusty.com/home" id="abc123">
+		//   <time xmlns="urn:xmpp:time">
+		//     <tzo>-06:00</tzo>
+		//     <utc>2006-12-19T17:58:35Z</utc>
+		//   </time>
+		// </iq>
+		// 
+		// <iq type="error" from="robbie@voalte.com/office" to="robbie@deusty.com/home" id="abc123">
+		//   <time xmlns="urn:xmpp:time"/>
+		//   <error code="501" type="cancel">
+		//     <feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/>
+		//   </error>
+		// </iq>
+		
+		return [queryTracker invokeForID:[iq elementID] withObject:iq];
+	}
+	else if (respondsToQueries && [type isEqualToString:@"get"])
+	{
+		// Example:
+		// 
+		// <iq type="get" from="robbie@deusty.com/home" to="robbie@voalte.com/office" id="abc123">
+		//   <time xmlns="urn:xmpp:time"/>
+		// </iq>
+		
+		NSXMLElement *time = [iq elementForName:@"time" xmlns:@"urn:xmpp:time"];
+		if (time)
+		{
+			NSXMLElement *currentTime = [[self class] timeElement];
+			
+			XMPPIQ *response = [XMPPIQ iqWithType:@"result" to:[iq from] elementID:[iq elementID]];
+			[response addChild:currentTime];
+			
+			[sender sendElement:response];
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+	[queryTracker removeAllIDs];
+}
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for XEP-0202.
+**/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	// This method is invoked on the moduleQueue.
+	
+	if (respondsToQueries)
+	{
+		// <query xmlns="http://jabber.org/protocol/disco#info">
+		//   ...
+		//   <feature var="urn:xmpp:time"/>
+		//   ...
+		// </query>
+		
+		NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+		[feature addAttributeWithName:@"var" stringValue:@"urn:xmpp:time"];
+		
+		[query addChild:feature];
+	}
+}
+#endif
+
++ (NSDate *)dateFromResponse:(XMPPIQ *)iq
+{
+	// <iq type="result" from="robbie@voalte.com/office" to="robbie@deusty.com/home" id="abc123">
+	//   <time xmlns="urn:xmpp:time">
+	//     <tzo>-06:00</tzo>
+	//     <utc>2006-12-19T17:58:35Z</utc>
+	//   </time>
+	// </iq>
+	
+	NSXMLElement *time = [iq elementForName:@"time" xmlns:@"urn:xmpp:time"];
+	if (time == nil) return nil;
+	
+	NSString *utc = [[time elementForName:@"utc"] stringValue];
+	if (utc == nil) return nil;
+	
+	// Note:
+	// 
+	// NSDate is a very simple class, but can be confusing at times.
+	// NSDate simply stores an NSTimeInterval internally,
+	// which is just a double representing the number of seconds since the reference date.
+	// Since it's a double, it can yield sub-millisecond precision.
+	// 
+	// In addition to this, it stores the values in UTC.
+	// However, if you print the value using NSLog via "%@",
+	// it will automatically print the date in the local timezone:
+	// 
+	// NSDate *refDate = [NSDate dateWithTimeIntervalSinceReferenceDate:0.0];
+	// 
+	// NSLog(@"%f", [refDate timeIntervalSinceReferenceDate]);  // Prints: 0.0
+	// NSLog(@"%@", refDate);                                   // Prints: 2000-12-31 19:00:00 -05:00
+	// NSLog(@"%@", [utcDateFormatter stringFromDate:refDate]); // Prints: 2001-01-01 00:00:00 +00:00
+	// 
+	// Now the value we've received from XMPPDateTimeProfiles is correct.
+	// If we print it out using a utcDateFormatter we would see it is correct.
+	// If we printed it out generically using NSLog, then we would see it converted into our local time zone.
+	
+	return [XMPPDateTimeProfiles parseDateTime:utc];
+}
+
++ (NSTimeZone *)timeZoneOffsetFromResponse:(XMPPIQ *)iq
+{
+	// <iq type="result" from="robbie@voalte.com/office" to="robbie@deusty.com/home" id="abc123">
+	//   <time xmlns="urn:xmpp:time">
+	//     <tzo>-06:00</tzo>
+	//     <utc>2006-12-19T17:58:35Z</utc>
+	//   </time>
+	// </iq>
+	
+	NSXMLElement *time = [iq elementForName:@"time" xmlns:@"urn:xmpp:time"];
+	if (time == nil) return 0;
+	
+	NSString *tzo = [[time elementForName:@"tzo"] stringValue];
+	if (tzo == nil) return 0;
+	
+	return [XMPPDateTimeProfiles parseTimeZoneOffset:tzo];
+}
+
++ (NSTimeInterval)approximateTimeDifferenceFromResponse:(XMPPIQ *)iq andRTT:(NSTimeInterval)rtt
+{
+	// First things first, get the current date and time
+	
+	NSDate *localDate = [NSDate date];
+	
+	// Then worry about the calculations
+	
+	NSXMLElement *time = [iq elementForName:@"time" xmlns:@"urn:xmpp:time"];
+	if (time == nil) return 0.0;
+	
+	NSString *utc = [[time elementForName:@"utc"] stringValue];
+	if (utc == nil) return 0.0;
+	
+	NSDate *remoteDate = [XMPPDateTimeProfiles parseDateTime:utc];
+	if (remoteDate == nil) return 0.0;
+	
+	NSTimeInterval localTI  = [localDate timeIntervalSinceReferenceDate];
+	NSTimeInterval remoteTI = [remoteDate timeIntervalSinceReferenceDate] - (rtt / 2.0);
+	
+	// Did the response contain millisecond precision?
+	// This is an important consideration.
+	// Imagine if both computers are perfectly synced,
+	// but the remote response doesn't contain milliseconds.
+	// This could possibly cause us to think the difference is close to a full second.
+	// 
+	// DateTime examples (from XMPPDateTimeProfiles documentation):
+	// 
+	// 1969-07-21T02:56:15
+	// 1969-07-21T02:56:15Z
+	// 1969-07-20T21:56:15-05:00
+	// 1969-07-21T02:56:15.123
+	// 1969-07-21T02:56:15.123Z
+	// 1969-07-20T21:56:15.123-05:00
+	
+	BOOL hasMilliseconds = ([utc length] > 19) && ([utc characterAtIndex:19] == '.');
+	
+	if (hasMilliseconds)
+	{
+		return remoteTI - localTI;
+	}
+	else
+	{
+		// No milliseconds. What to do?
+		// 
+		// We could simply truncate the milliseconds from our time...
+		// But this could make things much worse.
+		// For example:
+		// 
+		// local  = 14:22:36.750
+		// remote = 14:22:37
+		// 
+		// If we truncate the result now we calculate a diff of 1.000 (a full second).
+		// Considering the remote's milliseconds could have been anything from 000 to 999,
+		// this means our calculations are:
+		// 
+		// perfect        :  0.1% chance
+		// diff too big   : 75.0% chance
+		// diff too small : 24.9% chance
+		// 
+		// Perhaps a better solution would give us a more even spread.
+		// We can do this by calculating the range:
+		// 
+		// 37.000 - 36.750 = 0.25
+		// 37.999 - 36.750 = 1.249
+		// 
+		// So a better guess of the diff is 0.750 (3/4 of a second):
+		// 
+		// perfect        :  0.1% chance
+		// diff too big   : 50.0% chance
+		// diff too small : 49.9% chance
+		
+		NSTimeInterval diff1 = localTI - (remoteTI + 0.000);
+		NSTimeInterval diff2 = localTI - (remoteTI + 0.999);
+		
+		return ((diff1 + diff2) / 2.0);
+	}
+}
+
++ (NSXMLElement *)timeElement
+{
+	return [self timeElementFromDate:[NSDate date]];
+}
+
++ (NSXMLElement *)timeElementFromDate:(NSDate *)date
+{
+	// <time xmlns="urn:xmpp:time">
+	//   <tzo>-06:00</tzo>
+	//   <utc>2006-12-19T17:58:35Z</utc>
+	// </time>
+	
+	NSDateFormatter *df = [[NSDateFormatter alloc] init];
+	[df setFormatterBehavior:NSDateFormatterBehavior10_4]; // Use unicode patterns (as opposed to 10_3)
+    [df setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+	[df setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
+	[df setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
+	
+	NSString *utcValue = [df stringFromDate:date];
+	
+	
+	NSInteger tzoInSeconds = [[NSTimeZone systemTimeZone] secondsFromGMTForDate:date];
+	
+	NSInteger tzoH = tzoInSeconds / (60 * 60);
+	NSInteger tzoS = tzoInSeconds % (60 * 60);
+	
+	NSString *tzoValue = [NSString stringWithFormat:@"%+03li:%02li", (long)tzoH, (long)tzoS];
+	
+	NSXMLElement *tzo = [NSXMLElement elementWithName:@"tzo" stringValue:tzoValue];
+	NSXMLElement *utc = [NSXMLElement elementWithName:@"utc" stringValue:utcValue];
+	
+	NSXMLElement *time = [NSXMLElement elementWithName:@"time" xmlns:@"urn:xmpp:time"];
+	[time addChild:tzo];
+	[time addChild:utc];
+	
+	return time;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPTimeQueryInfo
+
+@synthesize timeSent;
+
+- (id)initWithTarget:(id)aTarget selector:(SEL)aSelector timeout:(NSTimeInterval)aTimeout
+{
+	if ((self = [super initWithTarget:aTarget selector:aSelector timeout:aTimeout]))
+	{
+		timeSent = [[NSDate alloc] init];
+	}
+	return self;
+}
+
+- (NSTimeInterval)rtt
+{
+	return [timeSent timeIntervalSinceNow] * -1.0;
+}
+
+
+@end
diff --git a/Extensions/XEP-0203/NSXMLElement+XEP_0203.h b/Extensions/XEP-0203/NSXMLElement+XEP_0203.h
new file mode 100644
index 0000000..27db923
--- /dev/null
+++ b/Extensions/XEP-0203/NSXMLElement+XEP_0203.h
@@ -0,0 +1,12 @@
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+#import "DDXML.h"
+#endif
+
+
+@interface NSXMLElement (XEP_0203)
+
+- (BOOL)wasDelayed;
+- (NSDate *)delayedDeliveryDate;
+
+@end
diff --git a/Extensions/XEP-0203/NSXMLElement+XEP_0203.m b/Extensions/XEP-0203/NSXMLElement+XEP_0203.m
new file mode 100644
index 0000000..ee404d3
--- /dev/null
+++ b/Extensions/XEP-0203/NSXMLElement+XEP_0203.m
@@ -0,0 +1,84 @@
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPDateTimeProfiles.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@implementation NSXMLElement (XEP_0203)
+
+- (BOOL)wasDelayed
+{
+	NSXMLElement *delay;
+	
+	delay = [self elementForName:@"delay" xmlns:@"urn:xmpp:delay"];
+	if (delay)
+	{
+		return YES;
+	}
+	
+	delay = [self elementForName:@"x" xmlns:@"jabber:x:delay"];
+	if (delay)
+	{
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (NSDate *)delayedDeliveryDate
+{
+	NSXMLElement *delay;
+	
+	// From XEP-0203 (Delayed Delivery)
+	//
+	// <delay xmlns='urn:xmpp:delay'
+	//         from='juliet@capulet.com/balcony'
+	//        stamp='2002-09-10T23:41:07Z'/>
+	//
+	// The format [of the stamp attribute] MUST adhere to the dateTime format
+	// specified in XEP-0082 and MUST be expressed in UTC.
+	
+	delay = [self elementForName:@"delay" xmlns:@"urn:xmpp:delay"];
+	if (delay)
+	{
+		NSString *stampValue = [delay attributeStringValueForName:@"stamp"];
+		
+		// There are other considerations concerning XEP-0082.
+		// For example, it may optionally contain milliseconds.
+		// And it may possibly express UTC as "+00:00" instead of "Z".
+		//
+		// Thankfully there is already an implementation that takes into account all these possibilities.
+		
+		return [XMPPDateTimeProfiles parseDateTime:stampValue];
+	}
+	
+	// From XEP-0091 (Legacy Delayed Delivery)
+	//
+	// <x xmlns='jabber:x:delay'
+	//     from='capulet.com'
+	//    stamp='20020910T23:08:25'>
+	
+	delay = [self elementForName:@"x" xmlns:@"jabber:x:delay"];
+	if (delay)
+	{
+		NSDate *stamp;
+		
+		NSString *stampValue = [delay attributeStringValueForName:@"stamp"];
+		
+		NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+		[dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+        [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
+		[dateFormatter setDateFormat:@"yyyyMMdd'T'HH:mm:ss"];
+		[dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"GMT"]];
+		
+		stamp = [dateFormatter dateFromString:stampValue];
+		
+		return stamp;
+	}
+	
+	return nil;
+}
+
+@end
diff --git a/Extensions/XEP-0223/XEP_0223.h b/Extensions/XEP-0223/XEP_0223.h
new file mode 100644
index 0000000..aa0670f
--- /dev/null
+++ b/Extensions/XEP-0223/XEP_0223.h
@@ -0,0 +1,21 @@
+/**
+ * XEP-0223 : Persistent Storage of Private Data via PubSub
+ * 
+ * This specification defines best practices for using the XMPP publish-subscribe extension to
+ * persistently store private information such as bookmarks and client configuration options.
+ * 
+ * http://xmpp.org/extensions/xep-0223.html
+**/
+
+#import <Foundation/Foundation.h>
+
+
+@interface XEP_0223 : NSObject
+
+/**
+ * This method returns the recommended configuration options to configure a pubsub node for storing private data.
+ * It may be passed directly to the publishToNoe:::: method of XMPPPubSub.
+**/
++ (NSDictionary *)privateStoragePubSubOptions;
+
+@end
diff --git a/Extensions/XEP-0223/XEP_0223.m b/Extensions/XEP-0223/XEP_0223.m
new file mode 100644
index 0000000..129ce35
--- /dev/null
+++ b/Extensions/XEP-0223/XEP_0223.m
@@ -0,0 +1,20 @@
+/**
+ * XEP-0223 : Persistent Storage of Private Data via PubSub
+ *
+ * This specification defines best practices for using the XMPP publish-subscribe extension to
+ * persistently store private information such as bookmarks and client configuration options.
+ *
+ * http://xmpp.org/extensions/xep-0223.html
+**/
+
+#import "XEP_0223.h"
+
+@implementation XEP_0223
+
++ (NSDictionary *)privateStoragePubSubOptions
+{
+	return @{ @"pubsub#persist_items" : @(YES),
+	          @"pubsub#access_model"  : @"whitelist" };
+}
+
+@end
diff --git a/Extensions/XEP-0224/XMPPAttentionModule.h b/Extensions/XEP-0224/XMPPAttentionModule.h
new file mode 100644
index 0000000..c003ee7
--- /dev/null
+++ b/Extensions/XEP-0224/XMPPAttentionModule.h
@@ -0,0 +1,24 @@
+#import "XMPPModule.h"
+#import "XMPPMessage+XEP_0224.h"
+
+#define _XMPP_ATTENTION_MODULE_H
+
+@interface XMPPAttentionModule : XMPPModule {
+    BOOL respondsToQueries;
+}
+
+/**
+ * Whether or not the module should respond to incoming attention request queries.
+ * It you create multiple instances of this module, only one instance should respond to queries.
+ * 
+ * It is recommended you set this (if needed) before you activate the module.
+ * The default value is YES.
+ **/
+@property (readwrite) BOOL respondsToQueries;
+
+@end
+
+@protocol XMPPAttentionDelegate
+@optional
+- (void)xmppAttention:(XMPPAttentionModule *)sender didReceiveAttentionHeadlineMessage:(XMPPMessage *)attentionRequest;
+@end
diff --git a/Extensions/XEP-0224/XMPPAttentionModule.m b/Extensions/XEP-0224/XMPPAttentionModule.m
new file mode 100644
index 0000000..439152e
--- /dev/null
+++ b/Extensions/XEP-0224/XMPPAttentionModule.m
@@ -0,0 +1,127 @@
+#import "XMPPAttentionModule.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@implementation XMPPAttentionModule
+
+- (id)init
+{
+	return [self initWithDispatchQueue:NULL];
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+	if ((self = [super initWithDispatchQueue:queue]))
+	{
+		respondsToQueries = YES;
+	}
+	return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	if ([super activate:aXmppStream])
+	{
+#ifdef _XMPP_CAPABILITIES_H
+		[xmppStream autoAddDelegate:self delegateQueue:moduleQueue toModulesOfClass:[XMPPCapabilities class]];
+#endif
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+#ifdef _XMPP_CAPABILITIES_H
+	[xmppStream removeAutoDelegate:self delegateQueue:moduleQueue fromModulesOfClass:[XMPPCapabilities class]];
+#endif
+	
+	[super deactivate];
+}
+
+- (BOOL)respondsToQueries
+{
+	if (dispatch_get_specific(moduleQueueTag))
+	{
+		return respondsToQueries;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(moduleQueue, ^{
+			result = respondsToQueries;
+		});
+		return result;
+	}
+}
+
+- (void)setRespondsToQueries:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		
+		if (respondsToQueries != flag)
+		{
+			respondsToQueries = flag;
+			
+#ifdef _XMPP_CAPABILITIES_H
+			@autoreleasepool {
+				// Capabilities may have changed, need to notify others.
+				[xmppStream resendMyPresence];
+			}
+#endif
+		}
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	// This method is invoked on the moduleQueue.
+	
+    // Format of an attention message. Body is optional and not used by clients like Pidgin
+    //    <message from='calvin@usrobots.lit/lab' to='herbie@usrobots.lit/home' type='headline'>
+    //        <attention xmlns='urn:xmpp:attention:0'/>
+    //        <body>Why don't you answer, Herbie?</body>
+    //    </message>
+    
+    if ([message isAttentionMessage])
+	{
+        [multicastDelegate xmppAttention:self didReceiveAttentionHeadlineMessage:message];
+    }
+}
+
+
+#ifdef _XMPP_CAPABILITIES_H
+/**
+ * If an XMPPCapabilites instance is used we want to advertise our support for attention requests.
+ **/
+- (void)xmppCapabilities:(XMPPCapabilities *)sender collectingMyCapabilities:(NSXMLElement *)query
+{
+	// This method is invoked on the moduleQueue.
+	
+	if (respondsToQueries)
+	{
+		// <query xmlns="http://jabber.org/protocol/disco#info">
+		//   ...
+		//   <feature var="urn:xmpp:attention:0"/>
+		//   ...
+		// </query>
+		
+		NSXMLElement *feature = [NSXMLElement elementWithName:@"feature"];
+		[feature addAttributeWithName:@"var" stringValue:XMLNS_ATTENTION];
+		
+		[query addChild:feature];
+	}
+}
+#endif
+
+@end
diff --git a/Extensions/XEP-0224/XMPPMessage+XEP_0224.h b/Extensions/XEP-0224/XMPPMessage+XEP_0224.h
new file mode 100644
index 0000000..45e81a2
--- /dev/null
+++ b/Extensions/XEP-0224/XMPPMessage+XEP_0224.h
@@ -0,0 +1,8 @@
+#import "XMPPMessage.h"
+#define XMLNS_ATTENTION  @"urn:xmpp:attention:0"
+
+@interface XMPPMessage (XEP_0224) 
+- (BOOL)isHeadLineMessage;
+- (BOOL)isAttentionMessage;
+- (BOOL)isAttentionMessageWithBody;
+@end
diff --git a/Extensions/XEP-0224/XMPPMessage+XEP_0224.m b/Extensions/XEP-0224/XMPPMessage+XEP_0224.m
new file mode 100644
index 0000000..91bc941
--- /dev/null
+++ b/Extensions/XEP-0224/XMPPMessage+XEP_0224.m
@@ -0,0 +1,24 @@
+#import "XMPPMessage+XEP_0224.h"
+#import "NSXMLElement+XMPP.h"
+
+@implementation XMPPMessage (XEP_0224)
+
+- (BOOL)isHeadLineMessage {
+    return [[[self attributeForName:@"type"] stringValue] isEqualToString:@"headline"];
+}
+
+- (BOOL)isAttentionMessage
+{
+	return  [self isHeadLineMessage] && [self elementForName:@"attention" xmlns:XMLNS_ATTENTION];
+}
+
+- (BOOL)isAttentionMessageWithBody
+{
+	if([self isAttentionMessage])
+	{
+		return [self isMessageWithBody];
+	}
+	return NO;
+}
+
+@end
diff --git a/Extensions/XEP-0280/XMPPMessage+XEP_0280.h b/Extensions/XEP-0280/XMPPMessage+XEP_0280.h
new file mode 100644
index 0000000..7f76965
--- /dev/null
+++ b/Extensions/XEP-0280/XMPPMessage+XEP_0280.h
@@ -0,0 +1,19 @@
+#import "XMPPMessage.h"
+@class XMPPJID;
+
+@interface XMPPMessage (XEP_0280)
+
+- (NSXMLElement *)receivedMessageCarbon;
+- (NSXMLElement *)sentMessageCarbon;
+
+- (BOOL)isMessageCarbon;
+- (BOOL)isReceivedMessageCarbon;
+- (BOOL)isSentMessageCarbon;
+- (BOOL)isTrustedMessageCarbon;
+- (BOOL)isTrustedMessageCarbonForMyJID:(XMPPJID *)jid;
+
+- (XMPPMessage *)messageCarbonForwardedMessage;
+
+- (void)addPrivateMessageCarbons;
+
+@end
diff --git a/Extensions/XEP-0280/XMPPMessage+XEP_0280.m b/Extensions/XEP-0280/XMPPMessage+XEP_0280.m
new file mode 100644
index 0000000..4229e3f
--- /dev/null
+++ b/Extensions/XEP-0280/XMPPMessage+XEP_0280.m
@@ -0,0 +1,118 @@
+#import "XMPPMessage+XEP_0280.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+#import "NSXMLElement+XEP_0297.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_XMPP_MESSAGE_CARBONS @"urn:xmpp:carbons:2"
+
+@implementation XMPPMessage (XEP_0280)
+
+- (NSXMLElement *)receivedMessageCarbon
+{
+    return [self elementForName:@"received" xmlns:XMLNS_XMPP_MESSAGE_CARBONS];
+}
+
+- (NSXMLElement *)sentMessageCarbon
+{
+    return [self elementForName:@"sent" xmlns:XMLNS_XMPP_MESSAGE_CARBONS];
+}
+
+
+- (BOOL)isMessageCarbon
+{    
+    if([self isReceivedMessageCarbon] || [self isSentMessageCarbon])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)isReceivedMessageCarbon
+{
+    if([self receivedMessageCarbon])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)isSentMessageCarbon
+{
+    if([self sentMessageCarbon])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)isTrustedMessageCarbon
+{
+    BOOL isTrustedMessageCarbon = NO;
+    XMPPMessage *messageCarbonForwardedMessage = [self messageCarbonForwardedMessage];
+
+    if([self isSentMessageCarbon])
+    {
+        if([[self from] isEqualToJID:[messageCarbonForwardedMessage from] options:XMPPJIDCompareBare])
+        {
+            isTrustedMessageCarbon = YES;
+        }
+
+    }
+    else if([self isReceivedMessageCarbon])
+    {
+        if([[self from] isEqualToJID:[messageCarbonForwardedMessage to] options:XMPPJIDCompareBare])
+        {
+            isTrustedMessageCarbon = YES;
+        }
+    }
+
+    return isTrustedMessageCarbon;
+}
+
+- (BOOL)isTrustedMessageCarbonForMyJID:(XMPPJID *)jid
+{
+    if([self isTrustedMessageCarbon] && [[jid bareJID] isEqualToJID:self.from])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (XMPPMessage *)messageCarbonForwardedMessage
+{
+    NSXMLElement *carbon = nil;
+    
+    if([self receivedMessageCarbon])
+    {
+        carbon = [self receivedMessageCarbon];
+    }
+    else if([self sentMessageCarbon])
+    {
+        carbon = [self sentMessageCarbon];
+    }
+    
+    return [carbon forwardedMessage];
+}
+
+- (void)addPrivateMessageCarbons
+{
+    [self addChild:[NSXMLElement elementWithName:@"private" xmlns:XMLNS_XMPP_MESSAGE_CARBONS]];
+}
+
+@end
diff --git a/Extensions/XEP-0280/XMPPMessageCarbons.h b/Extensions/XEP-0280/XMPPMessageCarbons.h
new file mode 100644
index 0000000..6696085
--- /dev/null
+++ b/Extensions/XEP-0280/XMPPMessageCarbons.h
@@ -0,0 +1,65 @@
+#import "XMPPModule.h"
+@class XMPPMessage;
+@class XMPPIDTracker;
+
+#define _XMPP_MESSAGE_CARBONS_H
+
+@interface XMPPMessageCarbons : XMPPModule
+{
+    BOOL autoEnableMessageCarbons;
+    BOOL allowsUntrustedMessageCarbons;
+    BOOL messageCarbonsEnabled;
+    
+    XMPPIDTracker *xmppIDTracker;
+}
+
+/**
+ * Wether or not to automatically enable Message Carbons.
+ *
+ * Default YES
+**/
+@property (assign) BOOL autoEnableMessageCarbons;
+
+/**
+ * Wether Message Carbons is currently enabled or not.
+ *
+ * @see enableMessageCarbons
+ * @see disableMessageCarbons
+**/
+@property (assign, getter = isMessageCarbonsEnabled,readonly) BOOL messageCarbonsEnabled;
+
+/**
+ * Whether Message Carbons are validated before calling the delegate methods.
+ *
+ * @see xmppMessageCarbons:willReceiveMessage:outgoing:
+ * @see xmppMessageCarbons:didReceiveMessage:outgoing:
+ *
+ * A Message Carbon is Trusted if:
+ *
+ * - It is from the Stream's Bare JID
+ * - Sent Forward Messages are from the Stream's JID
+ * - Received Forward Messages are to the Stream's JID
+ *
+ * Default is NO
+**/
+@property (assign) BOOL allowsUntrustedMessageCarbons;
+
+/**
+ * Enable Message Carbons
+**/
+- (void)enableMessageCarbons;
+
+/**
+ * Disable Message Carbons
+**/
+- (void)disableMessageCarbons;
+
+@end
+
+@protocol XMPPMessageCarbonsDelegate <NSObject>
+
+- (void)xmppMessageCarbons:(XMPPMessageCarbons *)xmppMessageCarbons willReceiveMessage:(XMPPMessage *)message outgoing:(BOOL)isOutgoing;
+
+- (void)xmppMessageCarbons:(XMPPMessageCarbons *)xmppMessageCarbons didReceiveMessage:(XMPPMessage *)message outgoing:(BOOL)isOutgoing;
+
+@end
\ No newline at end of file
diff --git a/Extensions/XEP-0280/XMPPMessageCarbons.m b/Extensions/XEP-0280/XMPPMessageCarbons.m
new file mode 100644
index 0000000..6111bfa
--- /dev/null
+++ b/Extensions/XEP-0280/XMPPMessageCarbons.m
@@ -0,0 +1,293 @@
+#import "XMPPMessageCarbons.h"
+#import "XMPP.h"
+#import "XMPPFramework.h"
+#import "XMPPLogging.h"
+#import "XMPPIDTracker.h"
+#import "NSXMLElement+XEP_0297.h"
+#import "XMPPMessage+XEP_0280.h"
+#import "XMPPInternal.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+
+#define XMLNS_XMPP_MESSAGE_CARBONS @"urn:xmpp:carbons:2"
+
+@implementation XMPPMessageCarbons
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue
+{
+    if((self = [super initWithDispatchQueue:queue]))
+    {
+        autoEnableMessageCarbons = YES;
+    }
+    return self;
+}
+
+- (BOOL)activate:(XMPPStream *)aXmppStream
+{
+	XMPPLogTrace();
+	
+	if ([super activate:aXmppStream])
+	{
+		XMPPLogVerbose(@"%@: Activated", THIS_FILE);
+		
+        xmppIDTracker = [[XMPPIDTracker alloc] initWithDispatchQueue:moduleQueue];
+        
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (void)deactivate
+{
+	XMPPLogTrace();
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+		[xmppIDTracker removeAllIDs];
+		xmppIDTracker = nil;
+        
+	}};
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+    
+	[super deactivate];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)autoEnableMessageCarbons
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = autoEnableMessageCarbons;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAutoEnableMessageCarbons:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		autoEnableMessageCarbons = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (BOOL)isMessageCarbonsEnabled
+{
+    __block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = messageCarbonsEnabled;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (BOOL)allowsUntrustedMessageCarbons
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = allowsUntrustedMessageCarbons;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+	
+	return result;
+}
+
+- (void)setAllowsUntrustedMessageCarbons:(BOOL)flag
+{
+	dispatch_block_t block = ^{
+		allowsUntrustedMessageCarbons = flag;
+	};
+	
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_async(moduleQueue, block);
+}
+
+- (void)enableMessageCarbons
+{
+    dispatch_block_t block = ^{
+        
+        if(!messageCarbonsEnabled && [xmppIDTracker numberOfIDs] == 0)
+        {
+            NSString *elementID = [XMPPStream generateUUID];
+            XMPPIQ *iq = [XMPPIQ iqWithType:@"set" elementID:elementID];
+            [iq setXmlns:@"jabber:client"];
+            
+            NSXMLElement *enable = [NSXMLElement elementWithName:@"enable" xmlns:XMLNS_XMPP_MESSAGE_CARBONS];
+            [iq addChild:enable];
+            
+            [xmppIDTracker addElement:iq
+                               target:self
+                             selector:@selector(enableMessageCarbonsIQ:withInfo:)
+                              timeout:XMPPIDTrackerTimeoutNone];
+            
+            [xmppStream sendElement:iq];
+        }
+    };
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+- (void)disableMessageCarbons
+{
+    dispatch_block_t block = ^{
+        
+        if(messageCarbonsEnabled && [xmppIDTracker numberOfIDs] == 0)
+        {
+            NSString *elementID = [XMPPStream generateUUID];
+            
+            XMPPIQ *iq = [XMPPIQ iqWithType:@"set" elementID:elementID];
+            [iq setXmlns:@"jabber:client"];
+            
+            NSXMLElement *enable = [NSXMLElement elementWithName:@"disable" xmlns:XMLNS_XMPP_MESSAGE_CARBONS];
+            [iq addChild:enable];
+            
+            [xmppIDTracker addElement:iq
+                               target:self
+                             selector:@selector(disableMessageCarbonsIQ:withInfo:)
+                              timeout:XMPPIDTrackerTimeoutNone];
+            
+            [xmppStream sendElement:iq];
+        }
+    };
+    
+	if (dispatch_get_specific(moduleQueueTag))
+		block();
+	else
+		dispatch_sync(moduleQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)xmppStreamDidAuthenticate:(XMPPStream *)sender
+{
+	XMPPLogTrace();
+        
+    messageCarbonsEnabled = NO;
+
+    if(self.autoEnableMessageCarbons)
+    {
+        [self enableMessageCarbons];
+    }
+}
+
+- (void)xmppStreamDidDisconnect:(XMPPStream *)sender withError:(NSError *)error
+{
+    messageCarbonsEnabled = NO;
+}
+
+- (BOOL)xmppStream:(XMPPStream *)sender didReceiveIQ:(XMPPIQ *)iq
+{
+    [xmppIDTracker invokeForID:[iq elementID] withObject:iq];
+
+	return NO;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XMPPStream Delegate
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)enableMessageCarbonsIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)trackerInfo
+{
+    XMPPLogTrace();
+    
+    if([iq isResultIQ])
+    {
+        messageCarbonsEnabled = YES;
+    }
+}
+
+- (void)disableMessageCarbonsIQ:(XMPPIQ *)iq withInfo:(XMPPBasicTrackingInfo *)trackerInfo
+{
+    XMPPLogTrace();
+    
+    if([iq isResultIQ])
+    {
+        messageCarbonsEnabled = NO;
+    }
+}
+
+- (XMPPMessage *)xmppStream:(XMPPStream *)sender willReceiveMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+    if([message isTrustedMessageCarbonForMyJID:sender.myJID] ||
+       ([message isMessageCarbon] && allowsUntrustedMessageCarbons))
+    {
+        BOOL outgoing = [message isSentMessageCarbon];
+        
+        XMPPMessage *messageCarbonForwardedMessage = [message messageCarbonForwardedMessage];
+        
+        [multicastDelegate xmppMessageCarbons:self
+                           willReceiveMessage:messageCarbonForwardedMessage
+                                     outgoing:outgoing];
+    }
+    
+    return message;
+}
+
+- (void)xmppStream:(XMPPStream *)sender didReceiveMessage:(XMPPMessage *)message
+{
+	XMPPLogTrace();
+	
+    if([message isTrustedMessageCarbonForMyJID:sender.myJID] ||
+       ([message isMessageCarbon] && allowsUntrustedMessageCarbons))
+    {
+        BOOL outgoing = [message isSentMessageCarbon];
+        
+        XMPPMessage *messageCarbonForwardedMessage = [message messageCarbonForwardedMessage];
+                
+        [multicastDelegate xmppMessageCarbons:self
+                            didReceiveMessage:messageCarbonForwardedMessage
+                                     outgoing:outgoing];
+    }
+}
+
+
+@end
diff --git a/Extensions/XEP-0297/NSXMLElement+XEP_0297.h b/Extensions/XEP-0297/NSXMLElement+XEP_0297.h
new file mode 100644
index 0000000..cebec07
--- /dev/null
+++ b/Extensions/XEP-0297/NSXMLElement+XEP_0297.h
@@ -0,0 +1,39 @@
+#import <Foundation/Foundation.h>
+
+#if TARGET_OS_IPHONE
+    #import "DDXML.h"
+#endif
+
+@class XMPPIQ;
+@class XMPPMessage;
+@class XMPPPresence;
+
+@interface NSXMLElement (XEP_0297)
+
+#pragma mark Forwarded Stanza 
+
+- (NSXMLElement *)forwardedStanza;
+
+- (BOOL)hasForwardedStanza;
+
+- (BOOL)isForwardedStanza;
+
+#pragma mark Delayed Delivery Date
+
+- (NSDate *)forwardedStanzaDelayedDeliveryDate;
+
+#pragma mark XMPPElement
+
+- (XMPPIQ *)forwardedIQ;
+
+- (BOOL)hasForwardedIQ;
+
+- (XMPPMessage *)forwardedMessage;
+
+- (BOOL)hasForwardedMessage;
+
+- (XMPPPresence *)forwardedPresence;
+
+- (BOOL)hasForwardedPresence;
+
+@end
diff --git a/Extensions/XEP-0297/NSXMLElement+XEP_0297.m b/Extensions/XEP-0297/NSXMLElement+XEP_0297.m
new file mode 100644
index 0000000..bda7682
--- /dev/null
+++ b/Extensions/XEP-0297/NSXMLElement+XEP_0297.m
@@ -0,0 +1,138 @@
+#import "NSXMLElement+XEP_0297.h"
+#import "NSXMLElement+XMPP.h"
+#import "NSXMLElement+XEP_0203.h"
+#import "XMPPIQ.h"
+#import "XMPPMessage.h"
+#import "XMPPPresence.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define NAME_XMPP_STANZA_FORWARDING @"forwarded"
+#define XMLNS_XMPP_STANZA_FORWARDING @"urn:xmpp:forward:0"
+
+@implementation NSXMLElement (XEP_0297)
+
+#pragma mark Forwarded Stanza 
+
+- (NSXMLElement *)forwardedStanza
+{
+    return [self elementForName:NAME_XMPP_STANZA_FORWARDING xmlns:XMLNS_XMPP_STANZA_FORWARDING];
+}
+
+- (BOOL)hasForwardedStanza
+{
+    if([self forwardedStanza])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)isForwardedStanza
+{
+    if([[self name] isEqualToString:NAME_XMPP_STANZA_FORWARDING] && [[self xmlns] isEqualToString:XMLNS_XMPP_STANZA_FORWARDING])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+#pragma mark Delayed Delivery Date
+
+- (NSDate *)forwardedStanzaDelayedDeliveryDate
+{
+    if([self isForwardedStanza])
+    {
+        return [self delayedDeliveryDate];
+    }
+    else
+    {
+        return [[self forwardedStanza] delayedDeliveryDate];     
+    }
+}
+
+
+#pragma mark XMPPElement
+
+- (XMPPIQ *)forwardedIQ
+{
+    if([self isForwardedStanza])
+    {
+        return [XMPPIQ iqFromElement:[self elementForName:@"iq"]];
+    }
+    else
+    {
+        return [XMPPIQ iqFromElement:[[self forwardedStanza] elementForName:@"iq"]];
+    }
+}
+
+- (BOOL)hasForwardedIQ
+{
+    if([self forwardedIQ])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (XMPPMessage *)forwardedMessage
+{
+    if([self isForwardedStanza])
+    {
+        return [XMPPMessage messageFromElement:[self elementForName:@"message"]];
+    }
+    else
+    {
+        return [XMPPMessage messageFromElement:[[self forwardedStanza] elementForName:@"message"]];
+    }
+}
+
+- (BOOL)hasForwardedMessage
+{
+    if([self forwardedMessage])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+
+- (XMPPPresence *)forwardedPresence
+{
+    if([self isForwardedStanza])
+    {
+        return [XMPPPresence presenceFromElement:[self elementForName:@"presence"]];
+    }
+    else
+    {
+        return [XMPPPresence presenceFromElement:[[self forwardedStanza] elementForName:@"presence"]];
+    }
+}
+
+- (BOOL)hasForwardedPresence
+{
+    if([self forwardedPresence])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+@end
diff --git a/Extensions/XEP-0308/XMPPMessage+XEP_0308.h b/Extensions/XEP-0308/XMPPMessage+XEP_0308.h
new file mode 100644
index 0000000..eec8267
--- /dev/null
+++ b/Extensions/XEP-0308/XMPPMessage+XEP_0308.h
@@ -0,0 +1,14 @@
+#import "XMPPMessage.h"
+
+@interface XMPPMessage (XEP_0308)
+
+- (BOOL)isMessageCorrection;
+
+- (NSString *)correctedMessageID;
+
+- (void)addMessageCorrectionWithID:(NSString *)messageCorrectionID;
+
+- (XMPPMessage *)generateCorrectionMessageWithID:(NSString *)elementID;
+- (XMPPMessage *)generateCorrectionMessageWithID:(NSString *)elementID body:(NSString *)body;
+
+@end
diff --git a/Extensions/XEP-0308/XMPPMessage+XEP_0308.m b/Extensions/XEP-0308/XMPPMessage+XEP_0308.m
new file mode 100644
index 0000000..d34c8db
--- /dev/null
+++ b/Extensions/XEP-0308/XMPPMessage+XEP_0308.m
@@ -0,0 +1,88 @@
+#import "XMPPMessage+XEP_0308.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define NAME_XMPP_MESSAGE_CORRECT @"replace"
+#define XMLNS_XMPP_MESSAGE_CORRECT @"urn:xmpp:message-correct:0"
+
+@implementation XMPPMessage (XEP_0308)
+
+- (BOOL)isMessageCorrection
+{    
+    if([[self correctedMessageID] length])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (NSString *)correctedMessageID
+{
+    return [[self elementForName:NAME_XMPP_MESSAGE_CORRECT xmlns:XMLNS_XMPP_MESSAGE_CORRECT] attributeStringValueForName:@"id"];
+}
+
+- (void)addMessageCorrectionWithID:(NSString *)messageCorrectionID
+{
+    NSXMLElement *replace = [NSXMLElement elementWithName:NAME_XMPP_MESSAGE_CORRECT stringValue:XMLNS_XMPP_MESSAGE_CORRECT];
+    [replace addAttributeWithName:@"id" stringValue:messageCorrectionID];
+    [self addChild:replace];
+}
+
+- (XMPPMessage *)generateCorrectionMessageWithID:(NSString *)elementID
+{
+    XMPPMessage *correctionMessage = nil;
+
+    if([[self elementID] length] && ![self isMessageCorrection])
+    {
+        correctionMessage = [self copy];
+
+        [correctionMessage removeAttributeForName:@"id"];
+
+        if([elementID length])
+        {
+            [correctionMessage addAttributeWithName:@"id" stringValue:elementID];
+        }
+
+        [correctionMessage addMessageCorrectionWithID:[self elementID]];
+    }
+
+    return correctionMessage;
+}
+
+- (XMPPMessage *)generateCorrectionMessageWithID:(NSString *)elementID body:(NSString *)body
+{
+    XMPPMessage *correctionMessage = nil;
+
+    if([[self elementID] length] && ![self isMessageCorrection])
+    {
+        correctionMessage = [self copy];
+
+        [correctionMessage removeAttributeForName:@"id"];
+
+        if([elementID length])
+        {
+            [correctionMessage addAttributeWithName:@"id" stringValue:elementID];
+        }
+
+        NSXMLElement *bodyElement = [correctionMessage elementForName:@"body"];
+
+        if(bodyElement)
+        {
+            [correctionMessage removeChildAtIndex:[[correctionMessage children] indexOfObject:bodyElement]];
+        }
+
+        [self addBody:body];
+
+        [correctionMessage addMessageCorrectionWithID:[self elementID]];
+    }
+
+    return correctionMessage;
+}
+
+@end
diff --git a/Extensions/XEP-0333/XMPPMessage+XEP_0333.h b/Extensions/XEP-0333/XMPPMessage+XEP_0333.h
new file mode 100644
index 0000000..e7e70e6
--- /dev/null
+++ b/Extensions/XEP-0333/XMPPMessage+XEP_0333.h
@@ -0,0 +1,28 @@
+#import "XMPPMessage.h"
+
+@interface XMPPMessage (XEP_0333)
+
+- (BOOL)hasChatMarker;
+
+- (BOOL)hasMarkableChatMarker;
+- (BOOL)hasReceivedChatMarker;
+- (BOOL)hasDisplayedChatMarker;
+- (BOOL)hasAcknowledgedChatMarker;
+
+- (NSString *)chatMarker;
+- (NSString *)chatMarkerID;
+
+- (void)addMarkableChatMarker;
+- (void)addReceivedChatMarkerWithID:(NSString *)elementID;
+- (void)addDisplayedChatMarkerWithID:(NSString *)elementID;
+- (void)addAcknowledgedChatMarkerWithID:(NSString *)elementID;
+
+- (XMPPMessage *)generateReceivedChatMarker;
+- (XMPPMessage *)generateDisplayedChatMarker;
+- (XMPPMessage *)generateAcknowledgedChatMarker;
+
+- (XMPPMessage *)generateReceivedChatMarkerIncludingThread:(BOOL)includingThread;
+- (XMPPMessage *)generateDisplayedChatMarkerIncludingThread:(BOOL)includingThread;
+- (XMPPMessage *)generateAcknowledgedChatMarkerIncludingThread:(BOOL)includingThread;
+
+@end
diff --git a/Extensions/XEP-0333/XMPPMessage+XEP_0333.m b/Extensions/XEP-0333/XMPPMessage+XEP_0333.m
new file mode 100644
index 0000000..6159142
--- /dev/null
+++ b/Extensions/XEP-0333/XMPPMessage+XEP_0333.m
@@ -0,0 +1,142 @@
+#import "XMPPMessage+XEP_0333.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XMLNS_CHAT_MARKERS @"urn:xmpp:chat-markers:0"
+
+#define MARKABLE_NAME @"markable"
+#define RECEIVED_NAME @"received"
+#define DISPLAYED_NAME @"displayed"
+#define ACKNOWLEDGED_NAME @"acknowledged"
+
+@implementation XMPPMessage (XEP_0333)
+
+- (BOOL)hasChatMarker
+{
+    return ([[self elementsForXmlns:XMLNS_CHAT_MARKERS] count] > 0);
+}
+
+- (BOOL)hasMarkableChatMarker
+{
+    return ([self elementForName:MARKABLE_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasReceivedChatMarker
+{
+    return ([self elementForName:RECEIVED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasDisplayedChatMarker
+{
+    return ([self elementForName:DISPLAYED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (BOOL)hasAcknowledgedChatMarker
+{
+    return ([self elementForName:ACKNOWLEDGED_NAME xmlns:XMLNS_CHAT_MARKERS] != nil);
+}
+
+- (NSString *)chatMarker
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] name];
+}
+
+- (NSString *)chatMarkerID
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] attributeStringValueForName:@"id"];
+}
+
+- (NSString *)chatMarkerThread
+{
+    return [[[self elementsForXmlns:XMLNS_CHAT_MARKERS] lastObject] attributeStringValueForName:@"thread"];
+}
+
+- (void)addMarkableChatMarker
+{
+    NSXMLElement *markableDisplayedMarker = [[NSXMLElement alloc] initWithName:MARKABLE_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [self addChild:markableDisplayedMarker];
+}
+
+- (void)addReceivedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *receivedChatMarker = [[NSXMLElement alloc] initWithName:RECEIVED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [receivedChatMarker addAttributeWithName:@"id" stringValue:elementID];
+    
+    [self addChild:receivedChatMarker];
+}
+
+- (void)addDisplayedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *readDisplayedMarker = [[NSXMLElement alloc] initWithName:DISPLAYED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [readDisplayedMarker addAttributeWithName:@"id" stringValue:elementID];
+
+    [self addChild:readDisplayedMarker];
+}
+
+- (void)addAcknowledgedChatMarkerWithID:(NSString *)elementID
+{
+    NSXMLElement *acknowledgedChatMarker = [[NSXMLElement alloc] initWithName:ACKNOWLEDGED_NAME xmlns:XMLNS_CHAT_MARKERS];
+    [acknowledgedChatMarker addAttributeWithName:@"id" stringValue:elementID];
+    
+    [self addChild:acknowledgedChatMarker];
+}
+
+- (XMPPMessage *)generateReceivedChatMarker
+{
+    return [self generateReceivedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateDisplayedChatMarker
+{
+    return [self generateDisplayedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateAcknowledgedChatMarker
+{
+    return [self generateAcknowledgedChatMarkerIncludingThread:NO];
+}
+
+- (XMPPMessage *)generateReceivedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addReceivedChatMarkerWithID:[self elementID]];
+    
+    return message;
+}
+- (XMPPMessage *)generateDisplayedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addDisplayedChatMarkerWithID:[self elementID]];
+    return message;
+}
+- (XMPPMessage *)generateAcknowledgedChatMarkerIncludingThread:(BOOL)includingThread
+{
+    XMPPMessage *message = [XMPPMessage message];
+    [message addAttributeWithName:@"to" stringValue:[self fromStr]];
+    
+    if(includingThread && [self thread])
+    {
+        [message addThread:[self thread]];
+    }
+    
+    [message addAcknowledgedChatMarkerWithID:[self elementID]];
+    return message;
+}
+@end
diff --git a/Extensions/XEP-0335/NSXMLElement+XEP_0335.h b/Extensions/XEP-0335/NSXMLElement+XEP_0335.h
new file mode 100644
index 0000000..334e511
--- /dev/null
+++ b/Extensions/XEP-0335/NSXMLElement+XEP_0335.h
@@ -0,0 +1,21 @@
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+#import "DDXML.h"
+#endif
+
+@interface NSXMLElement (XEP_0335)
+
+- (NSXMLElement *)JSONContainer;
+
+- (BOOL)isJSONContainer;
+- (BOOL)hasJSONContainer;
+
+- (NSString *)JSONContainerString;
+- (NSData *)JSONContainerData;
+- (id)JSONContainerObject;
+
+- (void)addJSONContainerWithString:(NSString *)JSONContainerString;
+- (void)addJSONContainerWithData:(NSData *)JSONContainerData;
+- (void)addJSONContainerWithObject:(id)JSONContainerObject;
+
+@end
diff --git a/Extensions/XEP-0335/NSXMLElement+XEP_0335.m b/Extensions/XEP-0335/NSXMLElement+XEP_0335.m
new file mode 100644
index 0000000..7c4a534
--- /dev/null
+++ b/Extensions/XEP-0335/NSXMLElement+XEP_0335.m
@@ -0,0 +1,87 @@
+#import "NSXMLElement+XEP_0335.h"
+#import "NSXMLElement+XMPP.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+#define XEP_0335_NAME @"json"
+#define XEP_0335_XMLNS @"urn:xmpp:json:0"
+
+@implementation NSXMLElement (XEP_0335)
+
+- (NSXMLElement *)JSONContainer
+{
+    if([self isJSONContainer])
+    {
+        return self;
+    }
+    else
+    {
+        return [self elementForName:XEP_0335_NAME xmlns:XEP_0335_XMLNS];
+    }
+}
+
+- (BOOL)isJSONContainer
+{
+    if([[self name] isEqualToString:XEP_0335_NAME] && [[self xmlns] isEqualToString:XEP_0335_XMLNS])
+    {
+        return YES;
+    }
+    else
+    {
+        return NO;
+    }
+}
+
+- (BOOL)hasJSONContainer
+{
+    return [self elementForName:XEP_0335_NAME xmlns:XEP_0335_XMLNS] != nil;
+}
+
+- (NSString *)JSONContainerString
+{
+    return [[self JSONContainer] stringValue];
+}
+
+- (NSData *)JSONContainerData
+{
+    NSString *JSONContainerString = [self JSONContainerString];
+    return [JSONContainerString dataUsingEncoding:NSUTF8StringEncoding];
+}
+
+- (id)JSONContainerObject
+{
+    NSData *JSONData = [self JSONContainerData];
+    return [NSJSONSerialization JSONObjectWithData:JSONData options:0 error:nil];
+}
+
+- (void)addJSONContainerWithString:(NSString *)JSONContainerString
+{
+    if([JSONContainerString length])
+    {
+        NSXMLElement *container = [NSXMLElement elementWithName:XEP_0335_NAME xmlns:XEP_0335_XMLNS];
+        [container setStringValue:JSONContainerString];
+        [self addChild:container];
+    }
+}
+
+- (void)addJSONContainerWithData:(NSData *)JSONContainerData
+{
+    if([JSONContainerData length])
+    {
+        NSString *JSONContainerString = [[NSString alloc] initWithData:JSONContainerData encoding:NSUTF8StringEncoding];
+        [self addJSONContainerWithString:JSONContainerString];
+    }
+}
+
+- (void)addJSONContainerWithObject:(id)JSONContainerObject
+{
+    if([NSJSONSerialization isValidJSONObject:JSONContainerObject])
+    {
+        NSData *JSONContainerData = [NSJSONSerialization dataWithJSONObject:JSONContainerObject options:0 error:nil];
+        [self addJSONContainerWithData:JSONContainerData];
+    }
+}
+
+@end
diff --git a/Extensions/XEP-0352/NSXMLElement+XEP_0352.h b/Extensions/XEP-0352/NSXMLElement+XEP_0352.h
new file mode 100644
index 0000000..7c360fc
--- /dev/null
+++ b/Extensions/XEP-0352/NSXMLElement+XEP_0352.h
@@ -0,0 +1,9 @@
+
+#import "NSXMLElement+XMPP.h"
+
+@interface NSXMLElement (XEP0352)
+
++ (instancetype)indicateInactiveElement;
++ (instancetype)indicateActiveElement;
+
+@end
diff --git a/Extensions/XEP-0352/NSXMLElement+XEP_0352.m b/Extensions/XEP-0352/NSXMLElement+XEP_0352.m
new file mode 100644
index 0000000..1e02012
--- /dev/null
+++ b/Extensions/XEP-0352/NSXMLElement+XEP_0352.m
@@ -0,0 +1,18 @@
+
+#import "NSXMLElement+XEP_0352.h"
+
+#define XMLNS_XMPP_CLIENT_STATE_INDICATION @"urn:xmpp:csi:0"
+
+@implementation NSXMLElement (XEP0352)
+
++ (instancetype)indicateActiveElement
+{
+    return [NSXMLElement elementWithName:@"active" xmlns:XMLNS_XMPP_CLIENT_STATE_INDICATION];
+}
+
++ (instancetype)indicateInactiveElement
+{
+    return [NSXMLElement elementWithName:@"inactive" xmlns:XMLNS_XMPP_CLIENT_STATE_INDICATION];
+}
+
+@end
diff --git a/PNXMPPFramework.podspec b/PNXMPPFramework.podspec
index 3ec68f5..60404f9 100644
--- a/PNXMPPFramework.podspec
+++ b/PNXMPPFramework.podspec
@@ -18,17 +18,18 @@ Pod::Spec.new do |s|
 #   * Finally, don't worry about the indent, CocoaPods strips it!  
 #s.description      = <<-DESC                       DESC
 
-  s.homepage         = "https://github.com/<GITHUB_USERNAME>/PNXMPPFramework"
+  s.homepage         = "https://github.com/giuseppenucifora/PNXMPPFramework"
   # s.screenshots     = "www.example.com/screenshots_1", "www.example.com/screenshots_2"
   s.license          = 'MIT'
   s.author           = { "Giuseppe Nucifora" => "me@giuseppenucifora.com" }
-  s.source           = { :git => "https://github.com/<GITHUB_USERNAME>/PNXMPPFramework.git", :tag => s.version.to_s }
+  s.source           = { :git => "https://github.com/giuseppenucifora/PNXMPPFramework.git", :tag => s.version.to_s }
   # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
 
   s.platform     = :ios, '7.0'
   s.requires_arc = true
 
   s.source_files = 'Pod/Classes/**/*'
+  s.resources = [ '**/*.{xcdatamodel,xcdatamodeld}']
   s.resource_bundles = {
     'PNXMPPFramework' => ['Pod/Assets/*.png']
   }
@@ -36,7 +37,273 @@ Pod::Spec.new do |s|
   # s.public_header_files = 'Pod/Classes/**/*.h'
   # s.frameworks = 'UIKit', 'MapKit'
   # s.dependency 'AFNetworking', '~> 2.3'
-    s.dependency 'CocoaLumberjack'
-    s.dependency 'CocoaAsyncSocket'
-    s.ios.dependency 'KissXML'
+
+
+s.preserve_path = 'PNXMPPFramework/module/module.modulemap'
+#s.module_map = 'module/module.modulemap'
+
+s.subspec 'Core' do |core|
+core.source_files = ['XMPPFramework.h', 'Core/**/*.{h,m}', 'Vendor/libidn/*.h', 'Authentication/**/*.{h,m}', 'Categories/**/*.{h,m}', 'Utilities/**/*.{h,m}']
+core.vendored_libraries = 'Vendor/libidn/libidn.a'
+core.libraries = 'xml2', 'resolv'
+core.xcconfig = { 'HEADER_SEARCH_PATHS' => '$(inherited) $(SDKROOT)/usr/include/libxml2 $(PODS_ROOT)/XMPPFramework/module $(SDKROOT)/usr/include/libresolv', 'LIBRARY_SEARCH_PATHS' => '"$(PODS_ROOT)/Vendor/libidn"', 'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES', 'OTHER_LDFLAGS' => '"-lxml2"', 'ENABLE_BITCODE' => 'NO'
+}
+core.dependency 'CocoaLumberjack','~>1.9'
+core.dependency 'CocoaAsyncSocket'
+core.dependency 'KissXML'
+end
+
+s.subspec 'Authentication' do |ss|
+ss.dependency 'PNXMPPFramework/Core'
+end
+
+s.subspec 'Categories' do |ss|
+ss.dependency 'PNXMPPFramework/Core'
+end
+
+s.subspec 'Utilities' do |ss|
+ss.dependency 'PNXMPPFramework/Core'
+end
+
+s.subspec 'BandwidthMonitor' do |ss|
+ss.source_files = 'Extensions/BandwidthMonitor/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'CoreDataStorage' do |ss|
+ss.source_files = ['Extensions/CoreDataStorage/**/*.{h,m}', 'Extensions/XEP-0203/NSXMLElement+XEP_0203.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+ss.framework = 'CoreData'
+end
+
+s.subspec 'GoogleSharedStatus' do |ss|
+ss.source_files = 'Extensions/GoogleSharedStatus/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'ProcessOne' do |ss|
+ss.source_files = 'Extensions/ProcessOne/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'Reconnect' do |ss|
+ss.source_files = 'Extensions/Reconnect/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+ss.framework = 'SystemConfiguration'
+end
+
+s.subspec 'Roster' do |ss|
+ss.source_files = 'Extensions/Roster/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/CoreDataStorage'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'SystemInputActivityMonitor' do |ss|
+ss.source_files = ['Extensions/SystemInputActivityMonitor/**/*.{h,m}', 'Utilities/GCDMulticastDelegate.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0009' do |ss|
+ss.source_files = 'Extensions/XEP-0009/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0012' do |ss|
+ss.source_files = 'Extensions/XEP-0012/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0016' do |ss|
+ss.source_files = 'Extensions/XEP-0016/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0045' do |ss|
+ss.source_files = 'Extensions/XEP-0045/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/CoreDataStorage'
+ss.dependency 'PNXMPPFramework/XEP-0203'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0054' do |ss|
+ss.source_files = ['Extensions/XEP-0054/**/*.{h,m}', 'Extensions/XEP-0153/XMPPvCardAvatarModule.h', 'Extensions/XEP-0082/XMPPDateTimeProfiles.h', 'Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/Roster'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+ss.framework = 'CoreLocation'
+end
+
+s.subspec 'XEP-0059' do |ss|
+ss.source_files = 'Extensions/XEP-0059/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0060' do |ss|
+ss.source_files = 'Extensions/XEP-0060/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0065' do |ss|
+ss.source_files = 'Extensions/XEP-0065/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0066' do |ss|
+ss.source_files = 'Extensions/XEP-0066/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0082' do |ss|
+ss.source_files = 'Extensions/XEP-0082/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0085' do |ss|
+ss.source_files = 'Extensions/XEP-0085/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0092' do |ss|
+ss.source_files = 'Extensions/XEP-0092/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0100' do |ss|
+ss.source_files = 'Extensions/XEP-0100/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0106' do |ss|
+ss.source_files = 'Extensions/XEP-0106/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0115' do |ss|
+ss.source_files = 'Extensions/XEP-0115/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/CoreDataStorage'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0136' do |ss|
+ss.source_files = 'Extensions/XEP-0136/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/CoreDataStorage'
+ss.dependency 'PNXMPPFramework/XEP-0203'
+ss.dependency 'PNXMPPFramework/XEP-0085'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0153' do |ss|
+ss.source_files = ['Extensions/XEP-0153/**/*.{h,m}', 'Extensions/XEP-0082/NSDate+XMPPDateTimeProfiles.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/XEP-0054'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0172' do |ss|
+ss.source_files = 'Extensions/XEP-0172/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0184' do |ss|
+ss.source_files = 'Extensions/XEP-0184/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0191' do |ss|
+ss.source_files = 'Extensions/XEP-0191/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0198' do |ss|
+ss.source_files = 'Extensions/XEP-0198/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0199' do |ss|
+ss.source_files = 'Extensions/XEP-0199/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0202' do |ss|
+ss.source_files = 'Extensions/XEP-0202/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/XEP-0082'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0203' do |ss|
+ss.source_files = 'Extensions/XEP-0203/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/XEP-0082'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0223' do |ss|
+ss.source_files = 'Extensions/XEP-0223/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0224' do |ss|
+ss.source_files = 'Extensions/XEP-0224/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0280' do |ss|
+ss.source_files = ['Extensions/XEP-0280/**/*.{h,m}', 'Extensions/XEP-0297/NSXMLElement+XEP_0297.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0297' do |ss|
+ss.source_files = ['Extensions/XEP-0297/**/*.{h,m}', 'Extensions/XEP-0203/**/*.h']
+ss.dependency 'PNXMPPFramework/Core'
+ss.dependency 'PNXMPPFramework/XEP-0203'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0308' do |ss|
+ss.source_files = 'Extensions/XEP-0308/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0333' do |ss|
+ss.source_files = 'Extensions/XEP-0333/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
+
+s.subspec 'XEP-0335' do |ss|
+ss.source_files = 'Extensions/XEP-0335/**/*.{h,m}'
+ss.dependency 'PNXMPPFramework/Core'
+ss.prefix_header_contents = "#define HAVE_XMPP_SUBSPEC_#{name.upcase.sub('-', '_')}"
+end
 end
diff --git a/Utilities/DDList.h b/Utilities/DDList.h
new file mode 100644
index 0000000..0f741fc
--- /dev/null
+++ b/Utilities/DDList.h
@@ -0,0 +1,61 @@
+#import <Foundation/Foundation.h>
+
+@class DDListEnumerator;
+
+struct DDListNode {
+	void * element;
+	struct DDListNode * prev;
+	struct DDListNode * next;
+};
+typedef struct DDListNode DDListNode;
+
+
+/**
+ * The DDList class is designed as a simple list class.
+ * It can store objective-c objects as well as non-objective-c pointers.
+ * It does not retain objective-c objects as it treats all elements as simple pointers.
+ * 
+ * Example usages:
+ * - Storing a list of delegates, where there is a desire to not retain the individual delegates.
+ * - Storing a list of dispatch timers, which are not NSObjects, and cannot be stored in NSCollection classes.
+ * 
+ * This class is NOT thread-safe.
+ * It is designed to be used within a thread-safe context (e.g. within a single dispatch_queue).
+**/
+@interface DDList : NSObject <NSFastEnumeration>
+{
+	DDListNode *listHead;
+	DDListNode *listTail;
+}
+
+- (void)add:(void *)element;
+- (void)remove:(void *)element;
+- (void)removeAll:(void *)element;
+- (void)removeAllElements;
+
+- (BOOL)contains:(void *)element;
+
+- (NSUInteger)count;
+
+/**
+ * The enumerators return a snapshot of the list that can be enumerated.
+ * The list can later be altered (elements added/removed) without affecting enumerator snapshots.
+**/
+- (DDListEnumerator *)listEnumerator;
+- (DDListEnumerator *)reverseListEnumerator;
+
+@end
+
+@interface DDListEnumerator : NSObject
+{
+	NSUInteger numElements;
+	NSUInteger currentElementIndex;
+	void **elements;
+}
+
+- (NSUInteger)numTotal;
+- (NSUInteger)numLeft;
+
+- (void *)nextElement;
+
+@end
diff --git a/Utilities/DDList.m b/Utilities/DDList.m
new file mode 100644
index 0000000..0ddd4ae
--- /dev/null
+++ b/Utilities/DDList.m
@@ -0,0 +1,297 @@
+#import "DDList.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@interface DDListEnumerator (PrivateAPI)
+
+- (id)initWithList:(DDListNode *)list reverse:(BOOL)reverse;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDList
+
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		listHead = NULL;
+		listTail = NULL;
+	}
+	return self;
+}
+
+- (void)add:(void *)element
+{
+	if(element == NULL) return;
+	
+	DDListNode *node = malloc(sizeof(DDListNode));
+	
+    node->element = element;
+	
+	// Remember: The list is a linked list of DDListNode objects.
+	// Each node object is allocated and placed in the list.
+	// It is not deallocated until it is later removed from the linked list.
+	
+	if (listTail == NULL)
+	{
+		node->next = NULL;
+		node->prev = NULL;
+	}
+    else
+    {
+		node->next = NULL;
+        node->prev = listTail;
+		node->prev->next = node;
+    }
+	
+	listTail = node;
+	
+	if (listHead == NULL)
+		listHead = node;
+}
+
+- (void)remove:(void *)element allInstances:(BOOL)allInstances
+{
+	if(element == NULL) return;
+	
+	DDListNode *node = listHead;
+	while (node != NULL)
+	{
+		DDListNode *nextNode = node->next;
+		if (element == node->element)
+		{
+			// Remove the node from the list.
+			// This is done by editing the pointers of the node's neighbors to skip it.
+			// 
+			// In other words:
+			// node->prev->next = node->next
+			// node->next->prev = node->prev
+			// 
+			// We also want to properly update our list pointer,
+			// which always points to the "first" element in the list. (Most recently added.)
+            
+			if (node->prev != NULL)
+				node->prev->next = node->next;
+			else
+				listHead = node->next;
+			
+			if (node->next != NULL)
+				node->next->prev = node->prev;
+			else
+				listTail = node->prev;
+			
+			free(node);
+			
+			if (!allInstances) break;
+		}
+		node = nextNode;
+	}
+}
+
+- (void)remove:(void *)element
+{
+	[self remove:element allInstances:NO];
+}
+
+- (void)removeAll:(void *)element
+{
+	[self remove:element allInstances:YES];
+}
+
+- (void)removeAllElements
+{
+	DDListNode *node = listHead;
+	while (node != NULL)
+	{
+		DDListNode *next = node->next;
+		
+		free(node);
+		node = next;
+	}
+	
+	listHead = NULL;
+	listTail = NULL;
+}
+
+- (BOOL)contains:(void *)element
+{
+	DDListNode *node;
+	for (node = listHead; node != NULL; node = node->next)
+	{
+		if (node->element == element)
+		{
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (NSUInteger)count
+{
+	NSUInteger count = 0;
+	
+	DDListNode *node;
+	for (node = listHead; node != NULL; node = node->next)
+	{
+		count++;
+	}
+	
+	return count;
+}
+
+- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state
+                                  objects:(id __unsafe_unretained [])buffer
+                                    count:(NSUInteger)len
+{
+	DDListNode *currentNode;
+	
+	if (state->extra[0] == 1)
+		return 0;
+	
+	if (state->state == 0)
+		currentNode = listHead;
+	else
+		currentNode = (DDListNode *)state->state;
+	
+	NSUInteger batchCount = 0;
+	while (currentNode != NULL && batchCount < len)
+	{
+		buffer[batchCount] = (__bridge id)currentNode->element;
+		currentNode = currentNode->next;
+		batchCount++;
+	}
+	
+	state->state = (unsigned long)currentNode;
+	state->itemsPtr = buffer;
+	state->mutationsPtr = (__bridge void *)self;
+	
+	if (currentNode == NULL)
+		state->extra[0] = 1;
+	else
+		state->extra[0] = 0;
+	
+	return batchCount;
+}
+
+- (DDListEnumerator *)listEnumerator
+{
+	return [[DDListEnumerator alloc] initWithList:listHead reverse:NO];
+}
+
+- (DDListEnumerator *)reverseListEnumerator
+{
+	return [[DDListEnumerator alloc] initWithList:listTail reverse:YES];
+}
+
+- (void)dealloc
+{
+	[self removeAllElements];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDListEnumerator
+
+- (id)initWithList:(DDListNode *)list reverse:(BOOL)reverse
+{
+	if ((self = [super init]))
+	{
+		numElements = 0;
+		currentElementIndex = 0;
+		
+		// First get a count of the number of elements in the given list.
+		
+		if (reverse)
+		{
+			for (DDListNode *node = list; node != NULL; node = node->prev)
+			{
+				numElements++;
+			}
+		}
+		else
+		{
+			for (DDListNode *node = list; node != NULL; node = node->next)
+			{
+				numElements++;
+			}
+			
+		}
+		
+		// Now copy the list into a C array.
+		
+		if (numElements > 0)
+		{
+			elements = malloc(numElements * sizeof(void *));
+			
+			DDListNode *node = list;
+			
+			if (reverse)
+			{
+				for (NSUInteger i = 0; i < numElements; i++)
+				{
+					elements[i] = node->element;
+					node = node->prev;
+				}			
+			}
+			else
+			{
+				for (NSUInteger i = 0; i < numElements; i++)
+				{
+					elements[i] = node->element;
+					node = node->next;
+				}
+			}
+		}
+	}
+	return self;
+}
+
+- (NSUInteger)numTotal
+{
+	return numElements;
+}
+
+- (NSUInteger)numLeft
+{
+	if (currentElementIndex < numElements)
+		return numElements - currentElementIndex;
+	else
+		return 0;
+}
+
+- (void *)nextElement
+{
+	if (currentElementIndex < numElements)
+	{
+		void *element = elements[currentElementIndex];
+		currentElementIndex++;
+		
+		return element;
+	}
+	else
+	{
+		return NULL;
+	}
+}
+
+- (void)dealloc
+{
+	if (elements)
+	{
+		free(elements);
+	}
+}
+
+@end
diff --git a/Utilities/GCDMulticastDelegate.h b/Utilities/GCDMulticastDelegate.h
new file mode 100644
index 0000000..81976f6
--- /dev/null
+++ b/Utilities/GCDMulticastDelegate.h
@@ -0,0 +1,56 @@
+#import <Foundation/Foundation.h>
+
+@class GCDMulticastDelegateEnumerator;
+
+/**
+ * This class provides multicast delegate functionality. That is:
+ * - it provides a means for managing a list of delegates
+ * - any method invocations to an instance of this class are automatically forwarded to all delegates
+ * 
+ * For example:
+ * 
+ * // Make this method call on every added delegate (there may be several)
+ * [multicastDelegate cog:self didFindThing:thing];
+ * 
+ * This allows multiple delegates to be added to an xmpp stream or any xmpp module,
+ * which in turn makes development easier as there can be proper separation of logically different code sections.
+ * 
+ * In addition, this makes module development easier,
+ * as multiple delegates can usually be handled in a manner similar to the traditional single delegate paradigm.
+ * 
+ * This class also provides proper support for GCD queues.
+ * So each delegate specifies which queue they would like their delegate invocations to be dispatched onto.
+ * 
+ * All delegate dispatching is done asynchronously (which is a critically important architectural design).
+**/
+
+@interface GCDMulticastDelegate : NSObject
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)removeDelegate:(id)delegate;
+
+- (void)removeAllDelegates;
+
+- (NSUInteger)count;
+- (NSUInteger)countOfClass:(Class)aClass;
+- (NSUInteger)countForSelector:(SEL)aSelector;
+
+- (BOOL)hasDelegateThatRespondsToSelector:(SEL)aSelector;
+
+- (GCDMulticastDelegateEnumerator *)delegateEnumerator;
+
+@end
+
+
+@interface GCDMulticastDelegateEnumerator : NSObject
+
+- (NSUInteger)count;
+- (NSUInteger)countOfClass:(Class)aClass;
+- (NSUInteger)countForSelector:(SEL)aSelector;
+
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr;
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr ofClass:(Class)aClass;
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr forSelector:(SEL)aSelector;
+
+@end
diff --git a/Utilities/GCDMulticastDelegate.m b/Utilities/GCDMulticastDelegate.m
new file mode 100644
index 0000000..1785c27
--- /dev/null
+++ b/Utilities/GCDMulticastDelegate.m
@@ -0,0 +1,654 @@
+#import "GCDMulticastDelegate.h"
+#import <libkern/OSAtomic.h>
+
+#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+#import <AppKit/AppKit.h>
+#endif
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+/**
+ * How does this class work?
+ * 
+ * In theory, this class is very straight-forward.
+ * It provides a way for multiple delegates to be called, each on its own delegate queue.
+ * 
+ * In other words, any delegate method call to this class
+ * will get forwarded (dispatch_async'd) to each added delegate.
+ * 
+ * Important note concerning thread-safety:
+ * 
+ * This class is designed to be used from within a single dispatch queue.
+ * In other words, it is NOT thread-safe, and should only be used from within the external dedicated dispatch_queue.
+**/
+
+@interface GCDMulticastDelegateNode : NSObject {
+@private
+	
+  #if __has_feature(objc_arc_weak)
+	__weak id delegate;
+  #if !TARGET_OS_IPHONE
+	__unsafe_unretained id unsafeDelegate; // Some classes don't support weak references yet (e.g. NSWindowController)
+  #endif
+  #else
+	__unsafe_unretained id delegate;
+  #endif
+	
+	dispatch_queue_t delegateQueue;
+}
+
+- (id)initWithDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+
+#if __has_feature(objc_arc_weak)
+@property (/* atomic */ readwrite, weak) id delegate;
+#if !TARGET_OS_IPHONE
+@property (/* atomic */ readwrite, unsafe_unretained) id unsafeDelegate;
+#endif
+#else
+@property (/* atomic */ readwrite, unsafe_unretained) id delegate;
+#endif
+
+@property (nonatomic, readonly) dispatch_queue_t delegateQueue;
+
+@end
+
+
+@interface GCDMulticastDelegate ()
+{
+	NSMutableArray *delegateNodes;
+}
+
+- (NSInvocation *)duplicateInvocation:(NSInvocation *)origInvocation;
+
+@end
+
+
+@interface GCDMulticastDelegateEnumerator ()
+{
+	NSUInteger numNodes;
+	NSUInteger currentNodeIndex;
+	NSArray *delegateNodes;
+}
+
+- (id)initFromDelegateNodes:(NSMutableArray *)inDelegateNodes;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation GCDMulticastDelegate
+
+- (id)init
+{
+	if ((self = [super init]))
+	{
+		delegateNodes = [[NSMutableArray alloc] init];
+	}
+	return self;
+}
+
+- (void)addDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	if (delegate == nil) return;
+	if (delegateQueue == NULL) return;
+	
+	GCDMulticastDelegateNode *node =
+	    [[GCDMulticastDelegateNode alloc] initWithDelegate:delegate delegateQueue:delegateQueue];
+	
+	[delegateNodes addObject:node];
+}
+
+- (void)removeDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue
+{
+	if (delegate == nil) return;
+	
+	NSUInteger i;
+	for (i = [delegateNodes count]; i > 0; i--)
+	{
+		GCDMulticastDelegateNode *node = delegateNodes[i - 1];
+		
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if (delegate == nodeDelegate)
+		{
+			if ((delegateQueue == NULL) || (delegateQueue == node.delegateQueue))
+			{
+				// Recall that this node may be retained by a GCDMulticastDelegateEnumerator.
+				// The enumerator is a thread-safe snapshot of the delegate list at the moment it was created.
+				// To properly remove this node from list, and from the list(s) of any enumerators,
+				// we nullify the delegate via the atomic property.
+				// 
+				// However, the delegateQueue is not modified.
+				// The thread-safety is hinged on the atomic delegate property.
+				// The delegateQueue is expected to properly exist until the node is deallocated.
+				
+				node.delegate = nil;
+				#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+				node.unsafeDelegate = nil;
+				#endif
+				
+				[delegateNodes removeObjectAtIndex:(i-1)];
+			}
+		}
+	}
+}
+
+- (void)removeDelegate:(id)delegate
+{
+	[self removeDelegate:delegate delegateQueue:NULL];
+}
+
+- (void)removeAllDelegates
+{
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		node.delegate = nil;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		node.unsafeDelegate = nil;
+		#endif
+	}
+	
+	[delegateNodes removeAllObjects];
+}
+
+- (NSUInteger)count
+{
+	return [delegateNodes count];
+}
+
+- (NSUInteger)countOfClass:(Class)aClass
+{
+	NSUInteger count = 0;
+	
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate isKindOfClass:aClass])
+		{
+			count++;
+		}
+	}
+	
+	return count;
+}
+
+- (NSUInteger)countForSelector:(SEL)aSelector
+{
+	NSUInteger count = 0;
+	
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate respondsToSelector:aSelector])
+		{
+			count++;
+		}
+	}
+	
+	return count;
+}
+
+- (BOOL)hasDelegateThatRespondsToSelector:(SEL)aSelector
+{
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate respondsToSelector:aSelector])
+		{
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (GCDMulticastDelegateEnumerator *)delegateEnumerator
+{
+	return [[GCDMulticastDelegateEnumerator alloc] initFromDelegateNodes:delegateNodes];
+}
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
+{
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		NSMethodSignature *result = [nodeDelegate methodSignatureForSelector:aSelector];
+		
+		if (result != nil)
+		{
+			return result;
+		}
+	}
+	
+	// This causes a crash...
+	// return [super methodSignatureForSelector:aSelector];
+	
+	// This also causes a crash...
+	// return nil;
+	
+	return [[self class] instanceMethodSignatureForSelector:@selector(doNothing)];
+}
+
+- (void)forwardInvocation:(NSInvocation *)origInvocation
+{
+	SEL selector = [origInvocation selector];
+	BOOL foundNilDelegate = NO;
+	
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate respondsToSelector:selector])
+		{
+			// All delegates MUST be invoked ASYNCHRONOUSLY.
+			
+			NSInvocation *dupInvocation = [self duplicateInvocation:origInvocation];
+			
+			dispatch_async(node.delegateQueue, ^{ @autoreleasepool {
+				
+				[dupInvocation invokeWithTarget:nodeDelegate];
+				
+			}});
+		}
+		else if (nodeDelegate == nil)
+		{
+			foundNilDelegate = YES;
+		}
+	}
+	
+	if (foundNilDelegate)
+	{
+		// At lease one weak delegate reference disappeared.
+		// Remove nil delegate nodes from the list.
+		// 
+		// This is expected to happen very infrequently.
+		// This is why we handle it separately (as it requires allocating an indexSet).
+		
+		NSMutableIndexSet *indexSet = [[NSMutableIndexSet alloc] init];
+		
+		NSUInteger i = 0;
+		for (GCDMulticastDelegateNode *node in delegateNodes)
+		{
+			id nodeDelegate = node.delegate;
+			#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+			if (nodeDelegate == [NSNull null])
+				nodeDelegate = node.unsafeDelegate;
+			#endif
+			
+			if (nodeDelegate == nil)
+			{
+				[indexSet addIndex:i];
+			}
+			i++;
+		}
+		
+		[delegateNodes removeObjectsAtIndexes:indexSet];
+	}
+}
+
+- (void)doesNotRecognizeSelector:(SEL)aSelector
+{
+	// Prevent NSInvalidArgumentException
+}
+
+- (void)doNothing {}
+
+- (void)dealloc
+{
+	[self removeAllDelegates];
+}
+
+- (NSInvocation *)duplicateInvocation:(NSInvocation *)origInvocation
+{
+	NSMethodSignature *methodSignature = [origInvocation methodSignature];
+	
+	NSInvocation *dupInvocation = [NSInvocation invocationWithMethodSignature:methodSignature];
+	[dupInvocation setSelector:[origInvocation selector]];
+	
+	NSUInteger i, count = [methodSignature numberOfArguments];
+	for (i = 2; i < count; i++)
+	{
+		const char *type = [methodSignature getArgumentTypeAtIndex:i];
+		
+		if (*type == *@encode(BOOL))
+		{
+			BOOL value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(char) || *type == *@encode(unsigned char))
+		{
+			char value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(short) || *type == *@encode(unsigned short))
+		{
+			short value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(int) || *type == *@encode(unsigned int))
+		{
+			int value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(long) || *type == *@encode(unsigned long))
+		{
+			long value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(long long) || *type == *@encode(unsigned long long))
+		{
+			long long value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(double))
+		{
+			double value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == *@encode(float))
+		{
+			float value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == '@')
+		{
+			void *value;
+			[origInvocation getArgument:&value atIndex:i];
+			[dupInvocation setArgument:&value atIndex:i];
+		}
+		else if (*type == '^')
+		{
+			void *block;
+			[origInvocation getArgument:&block atIndex:i];
+			[dupInvocation setArgument:&block atIndex:i];
+		}
+		else
+		{
+			NSString *selectorStr = NSStringFromSelector([origInvocation selector]);
+			
+			NSString *format = @"Argument %lu to method %@ - Type(%c) not supported";
+			NSString *reason = [NSString stringWithFormat:format, (unsigned long)(i - 2), selectorStr, *type];
+			
+			[[NSException exceptionWithName:NSInvalidArgumentException reason:reason userInfo:nil] raise];
+		}
+	}
+	
+	[dupInvocation retainArguments];
+	
+	return dupInvocation;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation GCDMulticastDelegateNode
+
+@synthesize delegate;       // atomic
+#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+@synthesize unsafeDelegate; // atomic
+#endif
+@synthesize delegateQueue;  // non-atomic
+
+#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+static BOOL SupportsWeakReferences(id delegate)
+{
+	// From Apple's documentation:
+	// 
+	// > Which classes don’t support weak references?
+	// > 
+	// > You cannot currently create weak references to instances of the following classes:
+	// > 
+	// > NSATSTypesetter, NSColorSpace, NSFont, NSFontManager, NSFontPanel, NSImage, NSMenuView,
+	// > NSParagraphStyle, NSSimpleHorizontalTypesetter, NSTableCellView, NSTextView, NSViewController,
+	// > NSWindow, and NSWindowController.
+	// > 
+	// > In addition, in OS X no classes in the AV Foundation framework support weak references.
+	// 
+	// NSMenuView is deprecated (and not available to 64-bit applications).
+	// NSSimpleHorizontalTypesetter is an internal class.
+	
+	if ([delegate isKindOfClass:[NSATSTypesetter class]])    return NO;
+	if ([delegate isKindOfClass:[NSColorSpace class]])       return NO;
+	if ([delegate isKindOfClass:[NSFont class]])             return NO;
+	if ([delegate isKindOfClass:[NSFontManager class]])      return NO;
+	if ([delegate isKindOfClass:[NSFontPanel class]])        return NO;
+	if ([delegate isKindOfClass:[NSImage class]])            return NO;
+	if ([delegate isKindOfClass:[NSParagraphStyle class]])   return NO;
+	if ([delegate isKindOfClass:[NSTableCellView class]])    return NO;
+	if ([delegate isKindOfClass:[NSTextView class]])         return NO;
+	if ([delegate isKindOfClass:[NSViewController class]])   return NO;
+	if ([delegate isKindOfClass:[NSWindow class]])           return NO;
+	if ([delegate isKindOfClass:[NSWindowController class]]) return NO;
+	
+	return YES;
+}
+#endif
+
+- (id)initWithDelegate:(id)inDelegate delegateQueue:(dispatch_queue_t)inDelegateQueue
+{
+	if ((self = [super init]))
+	{
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		{
+			if (SupportsWeakReferences(inDelegate))
+			{
+				delegate = inDelegate;
+				delegateQueue = inDelegateQueue;
+			}
+			else
+			{
+				delegate = [NSNull null];
+				
+				unsafeDelegate = inDelegate;
+				delegateQueue = inDelegateQueue;
+			}
+		}
+		#else
+		{
+			delegate = inDelegate;
+			delegateQueue = inDelegateQueue;
+		}
+		#endif
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (delegateQueue)
+			dispatch_retain(delegateQueue);
+		#endif
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	#if !OS_OBJECT_USE_OBJC
+	if (delegateQueue)
+		dispatch_release(delegateQueue);
+	#endif
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation GCDMulticastDelegateEnumerator
+
+- (id)initFromDelegateNodes:(NSMutableArray *)inDelegateNodes
+{
+	if ((self = [super init]))
+	{
+		delegateNodes = [inDelegateNodes copy];
+		
+		numNodes = [delegateNodes count];
+		currentNodeIndex = 0;
+	}
+	return self;
+}
+
+- (NSUInteger)count
+{
+	return numNodes;
+}
+
+- (NSUInteger)countOfClass:(Class)aClass
+{
+	NSUInteger count = 0;
+	
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate isKindOfClass:aClass])
+		{
+			count++;
+		}
+	}
+	
+	return count;
+}
+
+- (NSUInteger)countForSelector:(SEL)aSelector
+{
+	NSUInteger count = 0;
+	
+	for (GCDMulticastDelegateNode *node in delegateNodes)
+	{
+		id nodeDelegate = node.delegate;
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate respondsToSelector:aSelector])
+		{
+			count++;
+		}
+	}
+	
+	return count;
+}
+
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr
+{
+	while (currentNodeIndex < numNodes)
+	{
+		GCDMulticastDelegateNode *node = delegateNodes[currentNodeIndex];
+		currentNodeIndex++;
+		
+		id nodeDelegate = node.delegate; // snapshot atomic property
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if (nodeDelegate)
+		{
+			if (delPtr) *delPtr = nodeDelegate;
+			if (dqPtr)  *dqPtr  = node.delegateQueue;
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr ofClass:(Class)aClass
+{
+	while (currentNodeIndex < numNodes)
+	{
+		GCDMulticastDelegateNode *node = delegateNodes[currentNodeIndex];
+		currentNodeIndex++;
+		
+		id nodeDelegate = node.delegate; // snapshot atomic property
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate isKindOfClass:aClass])
+		{
+			if (delPtr) *delPtr = nodeDelegate;
+			if (dqPtr)  *dqPtr  = node.delegateQueue;
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+- (BOOL)getNextDelegate:(id *)delPtr delegateQueue:(dispatch_queue_t *)dqPtr forSelector:(SEL)aSelector
+{
+	while (currentNodeIndex < numNodes)
+	{
+		GCDMulticastDelegateNode *node = delegateNodes[currentNodeIndex];
+		currentNodeIndex++;
+		
+		id nodeDelegate = node.delegate; // snapshot atomic property
+		#if __has_feature(objc_arc_weak) && !TARGET_OS_IPHONE
+		if (nodeDelegate == [NSNull null])
+			nodeDelegate = node.unsafeDelegate;
+		#endif
+		
+		if ([nodeDelegate respondsToSelector:aSelector])
+		{
+			if (delPtr) *delPtr = nodeDelegate;
+			if (dqPtr)  *dqPtr  = node.delegateQueue;
+			
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
+@end
diff --git a/Utilities/RFImageToDataTransformer.h b/Utilities/RFImageToDataTransformer.h
new file mode 100644
index 0000000..579ab4b
--- /dev/null
+++ b/Utilities/RFImageToDataTransformer.h
@@ -0,0 +1,19 @@
+
+/*
+     File: RFImageToDataTransformer.h
+ Abstract: A value transformer, which transforms a UIImage or NSImage object into an NSData object.
+ 
+ Based on Apple's UIImageToDataTransformer
+ 
+ Copyright (C) 2010 Apple Inc. All Rights Reserved.
+ Copyright (C) 2011 RF.com All Rights Reserved.
+ */
+
+#import <Foundation/Foundation.h>
+
+
+@interface RFImageToDataTransformer : NSValueTransformer {
+
+}
+
+@end
diff --git a/Utilities/RFImageToDataTransformer.m b/Utilities/RFImageToDataTransformer.m
new file mode 100644
index 0000000..a7df718
--- /dev/null
+++ b/Utilities/RFImageToDataTransformer.m
@@ -0,0 +1,48 @@
+
+/*
+     File: RFImageToDataTransformer.m
+ Abstract: A value transformer, which transforms a UIImage or NSImage object into an NSData object.
+ 
+ Based on Apple's UIImageToDataTransformer
+ 
+ Copyright (C) 2010 Apple Inc. All Rights Reserved.
+ Copyright (C) 2011 RF.com All Rights Reserved.
+ */
+
+#import "RFImageToDataTransformer.h"
+
+#if TARGET_OS_IPHONE
+#import <UIKit/UIKit.h>
+#else
+
+#endif
+
+
+@implementation RFImageToDataTransformer
+
++ (BOOL)allowsReverseTransformation {
+	return YES;
+}
+
++ (Class)transformedValueClass {
+	return [NSData class];
+}
+
+- (id)transformedValue:(id)value {
+#if TARGET_OS_IPHONE
+  return UIImagePNGRepresentation(value);
+#else
+  return [(NSImage *)value TIFFRepresentation];
+#endif
+}
+
+- (id)reverseTransformedValue:(id)value {
+#if TARGET_OS_IPHONE
+	return [[UIImage alloc] initWithData:value];
+#else
+	return [[NSImage alloc] initWithData:value];
+#endif
+}
+
+@end
+
diff --git a/Utilities/XMPPIDTracker.h b/Utilities/XMPPIDTracker.h
new file mode 100644
index 0000000..ea5b58f
--- /dev/null
+++ b/Utilities/XMPPIDTracker.h
@@ -0,0 +1,210 @@
+#import <Foundation/Foundation.h>
+
+@protocol XMPPTrackingInfo;
+
+@class XMPPElement;
+
+@class XMPPStream;
+
+extern const NSTimeInterval XMPPIDTrackerTimeoutNone;
+
+/**
+ * A common operation in XMPP is to send some kind of request with a unique id,
+ * and wait for the response to come back.
+ * The most common example is sending an IQ of type='get' with a unique id, and then awaiting the response.
+ * 
+ * In order to properly handle the response, the id must be stored.
+ * If there are multiple queries going out and/or different kinds of queries,
+ * then information about the appropriate handling of the response must also be stored.
+ * This may be accomplished by storing the appropriate selector, or perhaps a block handler.
+ * Additionally one may need to setup timeouts and handle those properly as well.
+ * 
+ * This class provides the scaffolding to simplify the tasks associated with this common operation.
+ * Essentially, it provides the following:
+ * - a dictionary where the unique id is the key, and the needed tracking info is the object
+ * - an optional timer to fire upon a timeout
+ * 
+ * The class is designed to be flexible.
+ * You can provide a target/selector or a block handler to be invoked.
+ * Additionally, you can use the basic tracking info, or you can extend it to suit your needs.
+ *
+ * It is best illustrated with a few examples.
+ * 
+ * ---- EXAMPLE 1 - SIMPLE TRACKING WITH TARGET / SELECTOR ----
+ * 
+ * XMPPIQ *iq = ...
+ * [iqTracker addID:[iq elementID] target:self selector:@selector(processBookQuery:withInfo:) timeout:15.0];
+ * 
+ * - (void)processBookQueury:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo)info {
+ *    ...
+ * }
+ * 
+ * - (BOOL)xmppStream:(XMPPStream *)stream didReceiveIQ:(XMPPIQ *)iq
+ * {
+ *     NSString *type = [iq type];
+ *     
+ *     if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
+ *     {
+ *         return [iqTracker invokeForID:[iq elementID] withObject:iq];
+ *     }
+ *     else
+ *     {
+ *         ...
+ *     }
+ * }
+ * 
+ * ---- EXAMPLE 2 - SIMPLE TRACKING WITH BLOCK HANDLER ----
+ * 
+ * XMPPIQ *iq = ...
+ * 
+ * void (^blockHandler)(XMPPIQ *, id <XMPPTrackingInfo>) = ^(XMPPIQ *iq, id <XMPPTrackingInfo> info) {
+ *     ...
+ * };
+ * [iqTracker addID:[iq elementID] block:blockHandler timeout:15.0];
+ * 
+ * // Same xmppStream:didReceiveIQ: as example 1
+ * 
+ * ---- EXAMPLE 3 - ADVANCED TRACKING ----
+ * 
+ * @interface PingTrackingInfo : XMPPBasicTrackingInfo
+ *     ...
+ * @end
+ * 
+ * XMPPIQ *ping = ...
+ * PingTrackingInfo *pingInfo = ...
+ * 
+ * [iqTracker addID:[ping elementID] trackingInfo:pingInfo];
+ * 
+ * - (void)handlePong:(XMPPIQ *)iq withInfo:(PingTrackingInfo *)info {
+ *     ...
+ * }
+ * 
+ * // Same xmppStream:didReceiveIQ: as example 1
+ *
+ *
+ * ---- Validating Responses ----
+ *
+ * XMPPIDTracker can also be used to validate that the response was from the expected jid.
+ * To do this you need to initalize XMPPIDTracker with the stream where the request/response is going to be tracked.
+ *
+ * xmppIDTracker = [[XMPPIDTracker alloc] initWithStream:stream dispatchQueue:queue];
+ *
+ * You also need to supply the element (not just the ID) to the add an invoke methods.
+ *
+ * ---- EXAMPLE 1 - SIMPLE TRACKING WITH TARGET / SELECTOR AND VALIDATION ----
+ *
+ * XMPPIQ *iq = ...
+ * [iqTracker addElement:iq target:self selector:@selector(processBookQuery:withInfo:) timeout:15.0];
+ *
+ * - (void)processBookQueury:(XMPPIQ *)iq withInfo:(id <XMPPTrackingInfo)info {
+ *    ...
+ * }
+ *
+ * - (BOOL)xmppStream:(XMPPStream *)stream didReceiveIQ:(XMPPIQ *)iq
+ * {
+ *     NSString *type = [iq type];
+ *
+ *     if ([type isEqualToString:@"result"] || [type isEqualToString:@"error"])
+ *     {
+ *         return [iqTracker invokeForElement:iq withObject:iq];
+ *     }
+ *     else
+ *     {
+ *         ...
+ *     }
+ * }
+ * 
+ * This class is NOT thread-safe.
+ * It is designed to be used within a thread-safe context (e.g. within a single dispatch_queue).
+**/
+@interface XMPPIDTracker : NSObject
+{
+    XMPPStream *xmppStream;
+	dispatch_queue_t queue;
+	
+	NSMutableDictionary *dict;
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)queue;
+
+- (id)initWithStream:(XMPPStream *)stream dispatchQueue:(dispatch_queue_t)queue;
+
+- (void)addID:(NSString *)elementID target:(id)target selector:(SEL)selector timeout:(NSTimeInterval)timeout;
+
+- (void)addElement:(XMPPElement *)element target:(id)target selector:(SEL)selector timeout:(NSTimeInterval)timeout;
+
+- (void)addID:(NSString *)elementID
+        block:(void (^)(id obj, id <XMPPTrackingInfo> info))block
+      timeout:(NSTimeInterval)timeout;
+
+- (void)addElement:(XMPPElement *)element
+             block:(void (^)(id obj, id <XMPPTrackingInfo> info))block
+           timeout:(NSTimeInterval)timeout;
+
+- (void)addID:(NSString *)elementID trackingInfo:(id <XMPPTrackingInfo>)trackingInfo;
+
+- (void)addElement:(XMPPElement *)element trackingInfo:(id <XMPPTrackingInfo>)trackingInfo;
+
+- (BOOL)invokeForID:(NSString *)elementID withObject:(id)obj;
+
+- (BOOL)invokeForElement:(XMPPElement *)element withObject:(id)obj;
+
+- (NSUInteger)numberOfIDs;
+
+- (void)removeID:(NSString *)elementID;
+- (void)removeAllIDs;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPTrackingInfo <NSObject>
+
+@property (nonatomic, readonly) NSTimeInterval timeout;
+
+@property (nonatomic, readwrite, copy) NSString *elementID;
+
+@property (nonatomic, readwrite, copy) XMPPElement *element;
+
+- (void)createTimerWithDispatchQueue:(dispatch_queue_t)queue;
+- (void)cancelTimer;
+
+- (void)invokeWithObject:(id)obj;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPBasicTrackingInfo : NSObject <XMPPTrackingInfo>
+{
+	id target;
+	SEL selector;
+	
+	void (^block)(id obj, id <XMPPTrackingInfo> info);
+	
+	NSTimeInterval timeout;
+	
+	NSString *elementID;
+    XMPPElement *element;
+	dispatch_source_t timer;
+}
+
+- (id)initWithTarget:(id)target selector:(SEL)selector timeout:(NSTimeInterval)timeout;
+- (id)initWithBlock:(void (^)(id obj, id <XMPPTrackingInfo> info))block timeout:(NSTimeInterval)timeout;
+
+@property (nonatomic, readonly) NSTimeInterval timeout;
+
+@property (nonatomic, readwrite, copy) NSString *elementID;
+
+@property (nonatomic, readwrite, copy) XMPPElement *element;
+
+- (void)createTimerWithDispatchQueue:(dispatch_queue_t)queue;
+- (void)cancelTimer;
+
+- (void)invokeWithObject:(id)obj;
+
+@end
diff --git a/Utilities/XMPPIDTracker.m b/Utilities/XMPPIDTracker.m
new file mode 100644
index 0000000..2bd62db
--- /dev/null
+++ b/Utilities/XMPPIDTracker.m
@@ -0,0 +1,347 @@
+#import "XMPPIDTracker.h"
+#import "XMPP.h"
+#import "XMPPLogging.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+static const int xmppLogLevel = XMPP_LOG_LEVEL_VERBOSE; // | XMPP_LOG_FLAG_TRACE;
+#else
+static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+#define AssertProperQueue() NSAssert(dispatch_get_specific(queueTag), @"Invoked on incorrect queue")
+
+const NSTimeInterval XMPPIDTrackerTimeoutNone = -1;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPIDTracker ()
+{
+	void *queueTag;
+}
+
+@end
+
+@implementation XMPPIDTracker
+
+- (id)init
+{
+	// You must use initWithDispatchQueue or initWithStream:dispatchQueue:
+	return nil;
+}
+
+- (id)initWithDispatchQueue:(dispatch_queue_t)aQueue
+{
+	return [self initWithStream:nil dispatchQueue:aQueue];
+}
+
+- (id)initWithStream:(XMPPStream *)stream dispatchQueue:(dispatch_queue_t)aQueue
+{
+    NSParameterAssert(aQueue != NULL);
+	
+	if ((self = [super init]))
+	{
+        xmppStream = stream;
+        
+		queue = aQueue;
+		
+		queueTag = &queueTag;
+		dispatch_queue_set_specific(queue, queueTag, queueTag, NULL);
+		
+#if !OS_OBJECT_USE_OBJC
+		dispatch_retain(queue);
+#endif
+		
+		dict = [[NSMutableDictionary alloc] init];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	// We don't call [self removeAllIDs] because dealloc might not be invoked on queue
+	
+	for (id <XMPPTrackingInfo> info in [dict objectEnumerator])
+	{
+		[info cancelTimer];
+	}
+	[dict removeAllObjects];
+	
+	#if !OS_OBJECT_USE_OBJC
+	dispatch_release(queue);
+	#endif
+}
+
+- (void)addID:(NSString *)elementID target:(id)target selector:(SEL)selector timeout:(NSTimeInterval)timeout
+{
+	AssertProperQueue();
+	
+	XMPPBasicTrackingInfo *trackingInfo;
+	trackingInfo = [[XMPPBasicTrackingInfo alloc] initWithTarget:target selector:selector timeout:timeout];
+	
+	[self addID:elementID trackingInfo:trackingInfo];
+}
+
+- (void)addElement:(XMPPElement *)element target:(id)target selector:(SEL)selector timeout:(NSTimeInterval)timeout
+{
+	AssertProperQueue();
+	
+	XMPPBasicTrackingInfo *trackingInfo;
+	trackingInfo = [[XMPPBasicTrackingInfo alloc] initWithTarget:target selector:selector timeout:timeout];
+	
+	[self addElement:element trackingInfo:trackingInfo];
+}
+
+- (void)addID:(NSString *)elementID
+        block:(void (^)(id obj, id <XMPPTrackingInfo> info))block
+      timeout:(NSTimeInterval)timeout
+{
+	AssertProperQueue();
+	
+	XMPPBasicTrackingInfo *trackingInfo;
+	trackingInfo = [[XMPPBasicTrackingInfo alloc] initWithBlock:block timeout:timeout];
+	
+	[self addID:elementID trackingInfo:trackingInfo];
+}
+
+
+- (void)addElement:(XMPPElement *)element 
+             block:(void (^)(id obj, id <XMPPTrackingInfo> info))block
+           timeout:(NSTimeInterval)timeout
+{
+	AssertProperQueue();
+	
+	XMPPBasicTrackingInfo *trackingInfo;
+	trackingInfo = [[XMPPBasicTrackingInfo alloc] initWithBlock:block timeout:timeout];
+	
+	[self addElement:element trackingInfo:trackingInfo];
+}
+
+- (void)addID:(NSString *)elementID trackingInfo:(id <XMPPTrackingInfo>)trackingInfo
+{
+	AssertProperQueue();
+	
+	dict[elementID] = trackingInfo;
+	
+	[trackingInfo setElementID:elementID];
+	[trackingInfo createTimerWithDispatchQueue:queue];
+}
+
+- (void)addElement:(XMPPElement *)element trackingInfo:(id <XMPPTrackingInfo>)trackingInfo
+{
+	AssertProperQueue();
+    
+    if([[element elementID] length] == 0) return;
+	
+	dict[[element elementID]] = trackingInfo;
+	
+	[trackingInfo setElementID:[element elementID]];
+    [trackingInfo setElement:element];
+	[trackingInfo createTimerWithDispatchQueue:queue];
+}
+
+- (BOOL)invokeForID:(NSString *)elementID withObject:(id)obj
+{
+	AssertProperQueue();
+    
+    if([elementID length] == 0) return NO;
+	
+	id <XMPPTrackingInfo> info = dict[elementID];
+    
+	if (info)
+	{
+		[info invokeWithObject:obj];
+		[info cancelTimer];
+		[dict removeObjectForKey:elementID];
+		
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (BOOL)invokeForElement:(XMPPElement *)element withObject:(id)obj
+{
+    AssertProperQueue();
+    
+	NSString *elementID = [element elementID];
+	
+	if ([elementID length] == 0) return NO;
+	
+	id <XMPPTrackingInfo> info = dict[elementID];
+	if(info)
+    {
+        BOOL valid = YES;
+            
+        if(xmppStream && [element isKindOfClass:[XMPPIQ class]] && [[info element] isKindOfClass:[XMPPIQ class]])
+        {
+            XMPPIQ *iq = (XMPPIQ *)element;
+            
+            if([iq isResultIQ] || [iq isErrorIQ])
+            {
+                valid = [xmppStream isValidResponseElement:iq forRequestElement:[info element]];
+            }
+        }
+        
+        if(!valid)
+        {
+            XMPPLogError(@"%s: Element with ID %@ cannot be validated.", __FILE__ , [element elementID]);
+        }
+        
+        if (valid)
+        {
+            [info invokeWithObject:obj];
+            [info cancelTimer];
+            [dict removeObjectForKey:[element elementID]];
+            
+            return YES;
+        }
+    }
+	
+	return NO;
+}
+
+- (NSUInteger)numberOfIDs
+{
+    AssertProperQueue();
+	
+	return [[dict allKeys] count];
+}
+
+- (void)removeID:(NSString *)elementID
+{
+	AssertProperQueue();
+	
+	id <XMPPTrackingInfo> info = dict[elementID];
+	if (info)
+	{
+		[info cancelTimer];
+		[dict removeObjectForKey:elementID];
+	}
+}
+
+- (void)removeAllIDs
+{
+	AssertProperQueue();
+	
+	for (id <XMPPTrackingInfo> info in [dict objectEnumerator])
+	{
+		[info cancelTimer];
+	}
+	[dict removeAllObjects];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPBasicTrackingInfo
+
+@synthesize timeout;
+@synthesize elementID;
+@synthesize element;
+
+- (id)init
+{
+	// Use initWithTarget:selector:timeout: or initWithBlock:timeout:
+	
+	return nil;
+}
+
+- (id)initWithTarget:(id)aTarget selector:(SEL)aSelector timeout:(NSTimeInterval)aTimeout
+{
+    if(target || selector)
+    {
+        NSParameterAssert(aTarget);
+        NSParameterAssert(aSelector);
+    }
+	
+	if ((self = [super init]))
+	{
+		target = aTarget;
+		selector = aSelector;
+		timeout = aTimeout;
+	}
+	return self;
+}
+
+- (id)initWithBlock:(void (^)(id obj, id <XMPPTrackingInfo> info))aBlock timeout:(NSTimeInterval)aTimeout
+{
+	NSParameterAssert(aBlock);
+	
+	if ((self = [super init]))
+	{
+		block = [aBlock copy];
+		timeout = aTimeout;
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[self cancelTimer];
+	
+	target = nil;
+	selector = NULL;
+}
+
+- (void)createTimerWithDispatchQueue:(dispatch_queue_t)queue
+{
+	NSAssert(queue != NULL, @"Method invoked with NULL queue");
+	NSAssert(timer == NULL, @"Method invoked multiple times");
+	
+	if (timeout > 0.0)
+	{
+		timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
+		
+		dispatch_source_set_event_handler(timer, ^{ @autoreleasepool {
+			
+			[self invokeWithObject:nil];
+            [self cancelTimer];
+            
+		}});
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(timer, tt, DISPATCH_TIME_FOREVER, 0);
+		dispatch_resume(timer);
+	}
+}
+
+- (void)cancelTimer
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+- (void)invokeWithObject:(id)obj
+{
+	if (block)
+    {
+		block(obj, self);
+	}
+    else if(target && selector)
+	{
+		#pragma clang diagnostic push
+		#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+		[target performSelector:selector withObject:obj withObject:self];
+		#pragma clang diagnostic pop
+	}
+}
+
+@end
diff --git a/Utilities/XMPPSRVResolver.h b/Utilities/XMPPSRVResolver.h
new file mode 100644
index 0000000..571e696
--- /dev/null
+++ b/Utilities/XMPPSRVResolver.h
@@ -0,0 +1,86 @@
+//
+//  XMPPSRVResolver.h
+// 
+//  Originally created by Eric Chamberlain on 6/15/10.
+//  Based on SRVResolver by Apple, Inc.
+//  
+
+#import <Foundation/Foundation.h>
+#include <dns_sd.h>
+
+extern NSString *const XMPPSRVResolverErrorDomain;
+
+
+@interface XMPPSRVResolver : NSObject
+{
+	__unsafe_unretained id delegate;
+	dispatch_queue_t delegateQueue;
+	
+	dispatch_queue_t resolverQueue;
+	void *resolverQueueTag;
+	
+	__strong NSString *srvName;
+	NSTimeInterval timeout;
+	
+    BOOL resolveInProgress;
+	
+    NSMutableArray *results;
+    DNSServiceRef sdRef;
+	
+	int sdFd;
+	dispatch_source_t sdReadSource;
+	dispatch_source_t timeoutTimer;
+}
+
+/**
+ * The delegate & delegateQueue are mandatory.
+ * The resolverQueue is optional. If NULL, it will automatically create it's own internal queue.
+**/
+- (id)initWithdDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq resolverQueue:(dispatch_queue_t)rq;
+
+@property (strong, readonly) NSString *srvName;
+@property (readonly) NSTimeInterval timeout;
+
+- (void)startWithSRVName:(NSString *)aSRVName timeout:(NSTimeInterval)aTimeout;
+- (void)stop;
+
++ (NSString *)srvNameFromXMPPDomain:(NSString *)xmppDomain;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol XMPPSRVResolverDelegate
+
+- (void)xmppSRVResolver:(XMPPSRVResolver *)sender didResolveRecords:(NSArray *)records;
+- (void)xmppSRVResolver:(XMPPSRVResolver *)sender didNotResolveDueToError:(NSError *)error;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPSRVRecord : NSObject
+{
+	UInt16 priority;
+	UInt16 weight;
+	UInt16 port;
+	NSString *target;
+	
+	NSUInteger sum;
+	NSUInteger srvResultsIndex;
+}
+
++ (XMPPSRVRecord *)recordWithPriority:(UInt16)priority weight:(UInt16)weight port:(UInt16)port target:(NSString *)target;
+
+- (id)initWithPriority:(UInt16)priority weight:(UInt16)weight port:(UInt16)port target:(NSString *)target;
+
+@property (nonatomic, readonly) UInt16 priority;
+@property (nonatomic, readonly) UInt16 weight;
+@property (nonatomic, readonly) UInt16 port;
+@property (nonatomic, readonly) NSString *target;
+
+@end
diff --git a/Utilities/XMPPSRVResolver.m b/Utilities/XMPPSRVResolver.m
new file mode 100644
index 0000000..7a4c543
--- /dev/null
+++ b/Utilities/XMPPSRVResolver.m
@@ -0,0 +1,687 @@
+//
+//  XMPPSRVResolver.m
+//
+//  Originally created by Eric Chamberlain on 6/15/10.
+//  Based on SRVResolver by Apple, Inc.
+//
+
+#import "XMPPSRVResolver.h"
+#import "XMPPLogging.h"
+
+//#warning Fix "dns.h" issue without resorting to this ugly hack.
+// This is a hack to prevent OnionKit's clobbering of the actual system's <dns.h>
+//#include "/usr/include/dns.h"
+
+#include <dns_util.h>
+#include <stdlib.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+NSString *const XMPPSRVResolverErrorDomain = @"XMPPSRVResolverErrorDomain";
+
+// Log levels: off, error, warn, info, verbose
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN; // | XMPP_LOG_FLAG_TRACE;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface XMPPSRVRecord ()
+
+@property(nonatomic, assign) NSUInteger srvResultsIndex;
+@property(nonatomic, assign) NSUInteger sum;
+
+- (NSComparisonResult)compareByPriority:(XMPPSRVRecord *)aRecord;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPSRVResolver
+
+- (id)initWithdDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq resolverQueue:(dispatch_queue_t)rq
+{
+	NSParameterAssert(aDelegate != nil);
+	NSParameterAssert(dq != NULL);
+	
+	if ((self = [super init]))
+	{
+		XMPPLogTrace();
+		
+		delegate = aDelegate;
+		delegateQueue = dq;
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_retain(delegateQueue);
+		#endif
+
+		if (rq)
+		{
+			resolverQueue = rq;
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(resolverQueue);
+			#endif
+		}
+		else
+		{
+			resolverQueue = dispatch_queue_create("XMPPSRVResolver", NULL);
+		}
+		
+		resolverQueueTag = &resolverQueueTag;
+		dispatch_queue_set_specific(resolverQueue, resolverQueueTag, resolverQueueTag, NULL);
+		
+		results = [[NSMutableArray alloc] initWithCapacity:2];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	XMPPLogTrace();
+	
+    [self stop];
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (resolverQueue)
+		dispatch_release(resolverQueue);
+	#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@dynamic srvName;
+@dynamic timeout;
+
+- (NSString *)srvName
+{
+	__block NSString *result = nil;
+	
+	dispatch_block_t block = ^{
+		result = [srvName copy];
+	};
+	
+	if (dispatch_get_specific(resolverQueueTag))
+		block();
+	else
+		dispatch_sync(resolverQueue, block);
+	
+	return result;
+}
+
+- (NSTimeInterval)timeout
+{
+	__block NSTimeInterval result = 0.0;
+	
+	dispatch_block_t block = ^{
+		result = timeout;
+	};
+	
+	if (dispatch_get_specific(resolverQueueTag))
+		block();
+	else
+		dispatch_sync(resolverQueue, block);
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)sortResults
+{
+	NSAssert(dispatch_get_specific(resolverQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	// Sort results
+	NSMutableArray *sortedResults = [NSMutableArray arrayWithCapacity:[results count]];
+	
+	// Sort the list by priority (lowest number first)
+	[results sortUsingSelector:@selector(compareByPriority:)];
+	
+	/* From RFC 2782
+	 * 
+	 * For each distinct priority level
+	 * While there are still elements left at this priority level
+	 * 
+	 * Select an element as specified above, in the
+	 * description of Weight in "The format of the SRV
+	 * RR" Section, and move it to the tail of the new
+	 * list.
+	 * 
+	 * The following algorithm SHOULD be used to order
+	 * the SRV RRs of the same priority:
+	 */
+	
+	NSUInteger srvResultsCount;
+	
+	while ([results count] > 0)
+	{
+		srvResultsCount = [results count];
+		
+		if (srvResultsCount == 1)
+		{
+			XMPPSRVRecord *srvRecord = results[0];
+			
+			[sortedResults addObject:srvRecord];
+			[results removeObjectAtIndex:0];
+		}
+		else // (srvResultsCount > 1)
+		{
+			// more than two records so we need to sort
+			
+			/* To select a target to be contacted next, arrange all SRV RRs
+			 * (that have not been ordered yet) in any order, except that all
+			 * those with weight 0 are placed at the beginning of the list.
+			 * 
+			 * Compute the sum of the weights of those RRs, and with each RR
+			 * associate the running sum in the selected order.
+			 */
+			
+			NSUInteger runningSum = 0;
+			NSMutableArray *samePriorityRecords = [NSMutableArray arrayWithCapacity:srvResultsCount];
+			
+			XMPPSRVRecord *srvRecord = results[0];
+			
+			NSUInteger initialPriority = srvRecord.priority;
+			NSUInteger index = 0;
+			
+			do
+			{
+				if (srvRecord.weight == 0)
+				{
+					// add to front of array
+					[samePriorityRecords insertObject:srvRecord atIndex:0];
+					
+					srvRecord.srvResultsIndex = index;
+					srvRecord.sum = 0;
+				}
+				else
+				{
+					// add to end of array and update the running sum
+					[samePriorityRecords addObject:srvRecord];
+					
+					runningSum += srvRecord.weight;
+					
+					srvRecord.srvResultsIndex = index;
+					srvRecord.sum = runningSum;
+				}
+				
+				if (++index < srvResultsCount)
+				{
+					srvRecord = results[index];
+				}
+				else
+				{
+					srvRecord = nil;
+				}
+				
+			} while(srvRecord && (srvRecord.priority == initialPriority));
+			
+			/* Then choose a uniform random number between 0 and the sum computed
+			 * (inclusive), and select the RR whose running sum value is the
+			 * first in the selected order which is greater than or equal to
+			 * the random number selected.
+			 */
+			
+			NSUInteger randomIndex = arc4random() % (runningSum + 1);
+			
+			for (srvRecord in samePriorityRecords)
+			{
+				if (srvRecord.sum >= randomIndex)
+				{
+					/* The target host specified in the
+					 * selected SRV RR is the next one to be contacted by the client.
+					 * Remove this SRV RR from the set of the unordered SRV RRs and
+					 * apply the described algorithm to the unordered SRV RRs to select
+					 * the next target host.  Continue the ordering process until there
+					 * are no unordered SRV RRs.  This process is repeated for each
+					 * Priority.
+					 */
+					
+					[sortedResults addObject:srvRecord];
+					[results removeObjectAtIndex:srvRecord.srvResultsIndex];
+					
+					break;
+				}
+			}
+		}
+	}
+	
+	results = sortedResults;
+	
+	XMPPLogVerbose(@"%@: Sorted results:\n%@", THIS_FILE, results);
+}
+
+- (void)succeed
+{
+	NSAssert(dispatch_get_specific(resolverQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace();
+	
+	[self sortResults];
+	
+	id theDelegate = delegate;
+	NSArray *records = [results copy];
+	
+	dispatch_async(delegateQueue, ^{ @autoreleasepool {
+		
+		SEL selector = @selector(xmppSRVResolver:didResolveRecords:);
+		
+		if ([theDelegate respondsToSelector:selector])
+		{
+			[theDelegate xmppSRVResolver:self didResolveRecords:records];
+		}
+		else
+		{
+			XMPPLogWarn(@"%@: delegate doesn't implement %@", THIS_FILE, NSStringFromSelector(selector));
+		}
+		
+	}});
+	
+	[self stop];
+}
+
+- (void)failWithError:(NSError *)error
+{
+	NSAssert(dispatch_get_specific(resolverQueueTag), @"Invoked on incorrect queue");
+	
+	XMPPLogTrace2(@"%@: %@ %@", THIS_FILE, THIS_METHOD, error);
+	
+	id theDelegate = delegate;
+	
+    if (delegateQueue != NULL)
+	{
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			SEL selector = @selector(xmppSRVResolver:didNotResolveDueToError:);
+			
+			if ([theDelegate respondsToSelector:selector])
+			{
+				[theDelegate xmppSRVResolver:self didNotResolveDueToError:error];
+			}
+			else
+			{
+				XMPPLogWarn(@"%@: delegate doesn't implement %@", THIS_FILE, NSStringFromSelector(selector));
+			}
+			
+		}});
+	}
+	
+	[self stop];
+}
+
+- (void)failWithDNSError:(DNSServiceErrorType)sdErr
+{
+	XMPPLogTrace2(@"%@: %@ %i", THIS_FILE, THIS_METHOD, (int)sdErr);
+	
+	[self failWithError:[NSError errorWithDomain:XMPPSRVResolverErrorDomain code:sdErr userInfo:nil]];
+}
+
+- (XMPPSRVRecord *)processRecord:(const void *)rdata length:(uint16_t)rdlen
+{
+	XMPPLogTrace();
+	
+	// Note: This method is almost entirely from Apple's sample code.
+	// 
+	// Otherwise there would be a lot more comments and explanation...
+	
+	if (rdata == NULL)
+	{
+		XMPPLogWarn(@"%@: %@ - rdata == NULL", THIS_FILE, THIS_METHOD);
+		return nil;
+	}
+	
+	// Rather than write a whole bunch of icky parsing code, I just synthesise
+	// a resource record and use <dns_util.h>.
+	
+	XMPPSRVRecord *result = nil;
+	
+	NSMutableData *         rrData;
+	dns_resource_record_t * rr;
+	uint8_t                 u8;   // 1 byte
+	uint16_t                u16;  // 2 bytes
+	uint32_t                u32;  // 4 bytes
+	
+	rrData = [NSMutableData dataWithCapacity:(1 + 2 + 2 + 4 + 2 + rdlen)];
+	
+	u8 = 0;
+	[rrData appendBytes:&u8 length:sizeof(u8)];
+	u16 = htons(kDNSServiceType_SRV);
+	[rrData appendBytes:&u16 length:sizeof(u16)];
+	u16 = htons(kDNSServiceClass_IN);
+	[rrData appendBytes:&u16 length:sizeof(u16)];
+	u32 = htonl(666);
+	[rrData appendBytes:&u32 length:sizeof(u32)];
+	u16 = htons(rdlen);
+	[rrData appendBytes:&u16 length:sizeof(u16)];
+	[rrData appendBytes:rdata length:rdlen];
+	
+	// Parse the record.
+	
+	rr = dns_parse_resource_record([rrData bytes], (uint32_t) [rrData length]);
+    if (rr != NULL)
+	{
+        NSString *target;
+        
+        target = [NSString stringWithCString:rr->data.SRV->target encoding:NSASCIIStringEncoding];
+        if (target != nil)
+		{
+			UInt16 priority = rr->data.SRV->priority;
+			UInt16 weight   = rr->data.SRV->weight;
+			UInt16 port     = rr->data.SRV->port;
+			
+			result = [XMPPSRVRecord recordWithPriority:priority weight:weight port:port target:target];
+        }
+		
+        dns_free_resource_record(rr);
+    }
+	
+	return result;
+}
+
+static void QueryRecordCallback(DNSServiceRef       sdRef,
+                                DNSServiceFlags     flags,
+                                uint32_t            interfaceIndex,
+                                DNSServiceErrorType errorCode,
+                                const char *        fullname,
+                                uint16_t            rrtype,
+                                uint16_t            rrclass,
+                                uint16_t            rdlen,
+                                const void *        rdata,
+                                uint32_t            ttl,
+                                void *              context)
+{
+	// Called when we get a response to our query.  
+	// It does some preliminary work, but the bulk of the interesting stuff 
+	// is done in the processRecord:length: method.
+	
+	XMPPSRVResolver *resolver = (__bridge XMPPSRVResolver *)context;
+	
+	NSCAssert(dispatch_get_specific(resolver->resolverQueueTag), @"Invoked on incorrect queue");
+    
+	XMPPLogCTrace();
+	
+	if (!(flags & kDNSServiceFlagsAdd))
+	{
+		// If the kDNSServiceFlagsAdd flag is not set, the domain information is not valid.
+		return;
+    }
+
+    if (errorCode == kDNSServiceErr_NoError &&
+        rrtype == kDNSServiceType_SRV)
+    {
+        XMPPSRVRecord *record = [resolver processRecord:rdata length:rdlen];
+        if (record)
+        {
+            [resolver->results addObject:record];
+        }
+
+        if ( ! (flags & kDNSServiceFlagsMoreComing) )
+        {
+            [resolver succeed];
+        }    
+    }
+    else
+    {
+        [resolver failWithDNSError:errorCode];
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)startWithSRVName:(NSString *)aSRVName timeout:(NSTimeInterval)aTimeout
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (resolveInProgress)
+		{
+			return;
+		}
+		
+		XMPPLogTrace2(@"%@: startWithSRVName:%@ timeout:%f", THIS_FILE, aSRVName, aTimeout);
+		
+		// Save parameters
+		
+		srvName = [aSRVName copy];
+		
+		timeout = aTimeout;
+		
+		// Check parameters
+		
+		const char *srvNameCStr = [srvName cStringUsingEncoding:NSASCIIStringEncoding];
+		if (srvNameCStr == NULL)
+		{
+			[self failWithDNSError:kDNSServiceErr_BadParam];
+			return;
+			
+		}
+		
+		// Create DNS Service
+		
+		DNSServiceErrorType sdErr;
+		sdErr = DNSServiceQueryRecord(&sdRef,                              // Pointer to unitialized DNSServiceRef
+		                              kDNSServiceFlagsReturnIntermediates, // Flags
+		                              kDNSServiceInterfaceIndexAny,        // Interface index
+		                              srvNameCStr,                         // Full domain name
+		                              kDNSServiceType_SRV,                 // rrtype
+		                              kDNSServiceClass_IN,                 // rrclass
+		                              QueryRecordCallback,                 // Callback method
+		                              (__bridge void *)self);              // Context pointer
+		
+		if (sdErr != kDNSServiceErr_NoError)
+		{
+			[self failWithDNSError:sdErr];
+			return;
+		}
+		
+		// Extract unix socket (so we can poll for events)
+		
+		sdFd = DNSServiceRefSockFD(sdRef);
+		if (sdFd < 0)
+		{
+			// Todo...
+		}
+		
+		// Create GCD read source for sd file descriptor
+		
+		sdReadSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, sdFd, 0, resolverQueue);
+		
+		dispatch_source_set_event_handler(sdReadSource, ^{ @autoreleasepool {
+			
+			XMPPLogVerbose(@"%@: sdReadSource_eventHandler", THIS_FILE);
+			
+			// There is data to be read on the socket (or an error occurred).
+			// 
+			// Invoking DNSServiceProcessResult will invoke our QueryRecordCallback,
+			// the callback we set when we created the sdRef.
+			
+			DNSServiceErrorType dnsErr = DNSServiceProcessResult(sdRef);
+			if (dnsErr != kDNSServiceErr_NoError)
+			{
+				[self failWithDNSError:dnsErr];
+			}
+			
+		}});
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theSdReadSource = sdReadSource;
+		#endif
+		DNSServiceRef theSdRef = sdRef;
+		
+		dispatch_source_set_cancel_handler(sdReadSource, ^{ @autoreleasepool {
+			
+			XMPPLogVerbose(@"%@: sdReadSource_cancelHandler", THIS_FILE);
+			
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_release(theSdReadSource);
+			#endif
+			DNSServiceRefDeallocate(theSdRef);
+			
+		}});
+		
+		dispatch_resume(sdReadSource);
+		
+		// Create timer (if requested timeout > 0)
+		
+		if (timeout > 0.0)
+		{
+			timeoutTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, resolverQueue);
+			
+			dispatch_source_set_event_handler(timeoutTimer, ^{ @autoreleasepool {
+				
+				NSString *errMsg = @"Operation timed out";
+				NSDictionary *userInfo = @{NSLocalizedDescriptionKey : errMsg};
+				
+				NSError *err = [NSError errorWithDomain:XMPPSRVResolverErrorDomain code:0 userInfo:userInfo];
+				
+				[self failWithError:err];
+				
+			}});
+			
+			dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (timeout * NSEC_PER_SEC));
+			
+			dispatch_source_set_timer(timeoutTimer, tt, DISPATCH_TIME_FOREVER, 0);
+			dispatch_resume(timeoutTimer);
+		}
+		
+		resolveInProgress = YES;
+	}};
+	
+	if (dispatch_get_specific(resolverQueueTag))
+		block();
+	else
+		dispatch_async(resolverQueue, block);
+}
+
+- (void)stop
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		XMPPLogTrace();
+		
+		delegate = nil;
+		if (delegateQueue)
+		{
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_release(delegateQueue);
+			#endif
+			delegateQueue = NULL;
+		}
+		
+		[results removeAllObjects];
+		
+		if (sdReadSource)
+		{
+			// Cancel the readSource.
+			// It will be released from within the cancel handler.
+			dispatch_source_cancel(sdReadSource);
+			sdReadSource = NULL;
+			sdFd = -1;
+			
+			// The sdRef will be deallocated from within the cancel handler too.
+			sdRef = NULL;
+		}
+		
+		if (timeoutTimer)
+		{
+			dispatch_source_cancel(timeoutTimer);
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_release(timeoutTimer);
+			#endif
+			timeoutTimer = NULL;
+		}
+		
+		resolveInProgress = NO;
+	}};
+	
+	if (dispatch_get_specific(resolverQueueTag))
+		block();
+	else
+		dispatch_sync(resolverQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utility Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSString *)srvNameFromXMPPDomain:(NSString *)xmppDomain
+{
+	if (xmppDomain == nil)
+		return nil;
+	else
+		return [NSString stringWithFormat:@"_xmpp-client._tcp.%@", xmppDomain];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation XMPPSRVRecord
+
+@synthesize priority;
+@synthesize weight;
+@synthesize port;
+@synthesize target;
+
+@synthesize sum;
+@synthesize srvResultsIndex;
+
+
++ (XMPPSRVRecord *)recordWithPriority:(UInt16)p1 weight:(UInt16)w port:(UInt16)p2 target:(NSString *)t
+{
+	return [[XMPPSRVRecord alloc] initWithPriority:p1 weight:w port:p2 target:t];
+}
+
+- (id)initWithPriority:(UInt16)p1 weight:(UInt16)w port:(UInt16)p2 target:(NSString *)t
+{
+	if ((self = [super init]))
+	{
+		priority = p1;
+		weight   = w;
+		port     = p2;
+		target   = [t copy];
+		
+		sum = 0;
+		srvResultsIndex = 0;
+	}
+	return self;
+}
+
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"<%@:%p target(%@) port(%hu) priority(%hu) weight(%hu)>",
+			NSStringFromClass([self class]), self, target, port, priority, weight];
+}
+
+- (NSComparisonResult)compareByPriority:(XMPPSRVRecord *)aRecord
+{
+	UInt16 mPriority = self.priority;
+	UInt16 aPriority = aRecord.priority;
+	
+	if (mPriority < aPriority)
+		return NSOrderedAscending;
+	
+	if (mPriority > aPriority)
+		return NSOrderedDescending;
+	
+	return NSOrderedSame;
+}
+
+@end
diff --git a/Utilities/XMPPStringPrep.h b/Utilities/XMPPStringPrep.h
new file mode 100644
index 0000000..c1d41a8
--- /dev/null
+++ b/Utilities/XMPPStringPrep.h
@@ -0,0 +1,41 @@
+#import <Foundation/Foundation.h>
+
+
+@interface XMPPStringPrep : NSObject
+
+/**
+ * Preps a node identifier for use in a JID.
+ * If the given node is invalid, this method returns nil.
+ *
+ * See the XMPP RFC (6120) for details.
+ * 
+ * Note: The prep properly converts the string to lowercase, as per the RFC.
+**/
++ (NSString *)prepNode:(NSString *)node;
+
+/**
+ * Preps a domain name for use in a JID.
+ * If the given domain is invalid, this method returns nil.
+ * 
+ * See the XMPP RFC (6120) for details.
+**/
++ (NSString *)prepDomain:(NSString *)domain;
+
+/**
+ * Preps a resource identifier for use in a JID.
+ * If the given node is invalid, this method returns nil.
+ *
+ * See the XMPP RFC (6120) for details.
+ **/
++ (NSString *)prepResource:(NSString *)resource;
+
+/**
+ * Preps a password with SASLprep profile.
+ * If the given string is invalid, this method returns nil.
+ *
+ * See the SCRAM RFC (5802) for details.
+ **/
+
++ (NSString *) prepPassword:(NSString *)password;
+
+@end
diff --git a/Utilities/XMPPStringPrep.m b/Utilities/XMPPStringPrep.m
new file mode 100644
index 0000000..5831efd
--- /dev/null
+++ b/Utilities/XMPPStringPrep.m
@@ -0,0 +1,67 @@
+#import "XMPPStringPrep.h"
+#import "stringprep.h"
+
+
+@implementation XMPPStringPrep
+
++ (NSString *)prepNode:(NSString *)node
+{
+	if(node == nil) return nil;
+	
+	// Each allowable portion of a JID MUST NOT be more than 1023 bytes in length.
+	// We make the buffer just big enough to hold a null-terminated string of this length. 
+	char buf[1024];
+	
+	strncpy(buf, [node UTF8String], sizeof(buf));
+	
+	if(stringprep_xmpp_nodeprep(buf, sizeof(buf)) != 0) return nil;
+	
+	return [NSString stringWithUTF8String:buf];
+}
+
++ (NSString *)prepDomain:(NSString *)domain
+{
+	if(domain == nil) return nil;
+	
+	// Each allowable portion of a JID MUST NOT be more than 1023 bytes in length.
+	// We make the buffer just big enough to hold a null-terminated string of this length. 
+	char buf[1024];
+	
+	strncpy(buf, [domain UTF8String], sizeof(buf));
+	
+	if(stringprep_nameprep(buf, sizeof(buf)) != 0) return nil;
+	
+	return [NSString stringWithUTF8String:buf];
+}
+
++ (NSString *)prepResource:(NSString *)resource
+{
+	if(resource == nil) return nil;
+	
+	// Each allowable portion of a JID MUST NOT be more than 1023 bytes in length.
+	// We make the buffer just big enough to hold a null-terminated string of this length. 
+	char buf[1024];
+	
+	strncpy(buf, [resource UTF8String], sizeof(buf));
+	
+	if(stringprep_xmpp_resourceprep(buf, sizeof(buf)) != 0) return nil;
+	
+	return [NSString stringWithUTF8String:buf];
+}
+
++ (NSString *)prepPassword:(NSString *)password
+{
+	if(password == nil) return nil;
+	
+	// Each allowable portion of a JID MUST NOT be more than 1023 bytes in length.
+	// We make the buffer just big enough to hold a null-terminated string of this length.
+	char buf[1024];
+	
+	strncpy(buf, [password UTF8String], sizeof(buf));
+	
+	if(stringprep(buf, sizeof(buf), 0, stringprep_saslprep) != 0) return nil;
+	
+	return [NSString stringWithUTF8String:buf];
+}
+
+@end
diff --git a/Utilities/XMPPTimer.h b/Utilities/XMPPTimer.h
new file mode 100644
index 0000000..64f15c1
--- /dev/null
+++ b/Utilities/XMPPTimer.h
@@ -0,0 +1,41 @@
+#import <Foundation/Foundation.h>
+
+/**
+ * This class is a simple wrapper around dispatch_source_t timers.
+ * 
+ * The primary motivation for this is to allow timers to be stored in collections.
+ * But the class also makes it easier to code timers, as it simplifies the API.
+**/
+@interface XMPPTimer : NSObject
+
+/**
+ * Creates an instance of a timer that will fire on the given queue.
+ * It will invoke the given event handler block when it fires.
+**/
+- (instancetype)initWithQueue:(dispatch_queue_t)queue eventHandler:(dispatch_block_t)block;
+
+/**
+ * Starts the timer.
+ * It will first fire after the timeout.
+ * After that, it will continue to fire every interval.
+ *
+ * The interval is optional.
+ * If interval is zero (or negative), it will not use an interval (will only fire once after the timeout).
+ *
+ * This method can only be called once.
+**/
+- (void)startWithTimeout:(NSTimeInterval)timeout interval:(NSTimeInterval)interval;
+
+/**
+ * Allows you to update an already started timer.
+ * 
+ * The new timeout that you pass can be applied to 'now' or to the original start time of the timer.
+**/
+- (void)updateTimeout:(NSTimeInterval)timeout fromOriginalStartTime:(BOOL)useOriginalStartTime;
+
+/**
+ * Cancels the timer so that it won't fire.
+**/
+- (void)cancel;
+
+@end
diff --git a/Utilities/XMPPTimer.m b/Utilities/XMPPTimer.m
new file mode 100644
index 0000000..f3b6d0c
--- /dev/null
+++ b/Utilities/XMPPTimer.m
@@ -0,0 +1,86 @@
+#import "XMPPTimer.h"
+#import "XMPPLogging.h"
+
+// Log levels: off, error, warn, info, verbose
+// Log flags: trace
+#if DEBUG
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#else
+  static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
+#endif
+
+@implementation XMPPTimer
+{
+	BOOL isStarted;
+	
+	dispatch_time_t start;
+	uint64_t timeout;
+	uint64_t interval;
+	
+	dispatch_source_t timer;
+}
+
+- (instancetype)initWithQueue:(dispatch_queue_t)queue eventHandler:(dispatch_block_t)block
+{
+	if ((self = [super init]))
+	{
+		timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
+		dispatch_source_set_event_handler(timer, block);
+		
+		isStarted = NO;
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[self cancel];
+}
+
+- (void)startWithTimeout:(NSTimeInterval)inTimeout interval:(NSTimeInterval)inInterval
+{
+	if (isStarted)
+	{
+		XMPPLogWarn(@"Unable to start timer - already started");
+		return;
+	}
+	
+	start = dispatch_time(DISPATCH_TIME_NOW, 0);
+	timeout = (inTimeout * NSEC_PER_SEC);
+	interval = (inInterval > 0.0) ? (inInterval * NSEC_PER_SEC) : DISPATCH_TIME_FOREVER;
+	
+	dispatch_source_set_timer(timer, dispatch_time(start, timeout), interval, 0);
+	dispatch_resume(timer);
+	
+	isStarted = YES;
+}
+
+- (void)updateTimeout:(NSTimeInterval)inTimeout fromOriginalStartTime:(BOOL)useOriginalStartTime
+{
+	if (!isStarted)
+	{
+		XMPPLogWarn(@"Unable to update timer - not yet started");
+		return;
+	}
+	
+	if (!useOriginalStartTime) {
+		start = dispatch_time(DISPATCH_TIME_NOW, 0);
+	}
+	timeout = (inTimeout * NSEC_PER_SEC);
+	
+	dispatch_source_set_timer(timer, dispatch_time(start, timeout), interval, 0);
+}
+
+- (void)cancel
+{
+	if (timer)
+	{
+		dispatch_source_cancel(timer);
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_release(timer);
+		#endif
+		timer = NULL;
+	}
+}
+
+@end
diff --git a/Vendor/CocoaAsyncSocket/GCDAsyncSocket.h b/Vendor/CocoaAsyncSocket/GCDAsyncSocket.h
new file mode 100644
index 0000000..374bcdd
--- /dev/null
+++ b/Vendor/CocoaAsyncSocket/GCDAsyncSocket.h
@@ -0,0 +1,1179 @@
+//  
+//  GCDAsyncSocket.h
+//  
+//  This class is in the public domain.
+//  Originally created by Robbie Hanson in Q3 2010.
+//  Updated and maintained by Deusty LLC and the Apple development community.
+//  
+//  https://github.com/robbiehanson/CocoaAsyncSocket
+//
+
+#import <Foundation/Foundation.h>
+#import <Security/Security.h>
+#import <Security/SecureTransport.h>
+#import <dispatch/dispatch.h>
+#import <Availability.h>
+
+#include <sys/socket.h> // AF_INET, AF_INET6
+
+@class GCDAsyncReadPacket;
+@class GCDAsyncWritePacket;
+@class GCDAsyncSocketPreBuffer;
+
+extern NSString *const GCDAsyncSocketException;
+extern NSString *const GCDAsyncSocketErrorDomain;
+
+extern NSString *const GCDAsyncSocketQueueName;
+extern NSString *const GCDAsyncSocketThreadName;
+
+extern NSString *const GCDAsyncSocketManuallyEvaluateTrust;
+#if TARGET_OS_IPHONE
+extern NSString *const GCDAsyncSocketUseCFStreamForTLS;
+#endif
+#define GCDAsyncSocketSSLPeerName     (NSString *)kCFStreamSSLPeerName
+#define GCDAsyncSocketSSLCertificates (NSString *)kCFStreamSSLCertificates
+#define GCDAsyncSocketSSLIsServer     (NSString *)kCFStreamSSLIsServer
+extern NSString *const GCDAsyncSocketSSLPeerID;
+extern NSString *const GCDAsyncSocketSSLProtocolVersionMin;
+extern NSString *const GCDAsyncSocketSSLProtocolVersionMax;
+extern NSString *const GCDAsyncSocketSSLSessionOptionFalseStart;
+extern NSString *const GCDAsyncSocketSSLSessionOptionSendOneByteRecord;
+extern NSString *const GCDAsyncSocketSSLCipherSuites;
+#if !TARGET_OS_IPHONE
+extern NSString *const GCDAsyncSocketSSLDiffieHellmanParameters;
+#endif
+
+#define GCDAsyncSocketLoggingContext 65535
+
+
+enum GCDAsyncSocketError
+{
+	GCDAsyncSocketNoError = 0,           // Never used
+	GCDAsyncSocketBadConfigError,        // Invalid configuration
+	GCDAsyncSocketBadParamError,         // Invalid parameter was passed
+	GCDAsyncSocketConnectTimeoutError,   // A connect operation timed out
+	GCDAsyncSocketReadTimeoutError,      // A read operation timed out
+	GCDAsyncSocketWriteTimeoutError,     // A write operation timed out
+	GCDAsyncSocketReadMaxedOutError,     // Reached set maxLength without completing
+	GCDAsyncSocketClosedError,           // The remote peer closed the connection
+	GCDAsyncSocketOtherError,            // Description provided in userInfo
+};
+typedef enum GCDAsyncSocketError GCDAsyncSocketError;
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface GCDAsyncSocket : NSObject
+
+/**
+ * GCDAsyncSocket uses the standard delegate paradigm,
+ * but executes all delegate callbacks on a given delegate dispatch queue.
+ * This allows for maximum concurrency, while at the same time providing easy thread safety.
+ * 
+ * You MUST set a delegate AND delegate dispatch queue before attempting to
+ * use the socket, or you will get an error.
+ * 
+ * The socket queue is optional.
+ * If you pass NULL, GCDAsyncSocket will automatically create it's own socket queue.
+ * If you choose to provide a socket queue, the socket queue must not be a concurrent queue.
+ * If you choose to provide a socket queue, and the socket queue has a configured target queue,
+ * then please see the discussion for the method markSocketQueueTargetQueue.
+ * 
+ * The delegate queue and socket queue can optionally be the same.
+**/
+- (id)init;
+- (id)initWithSocketQueue:(dispatch_queue_t)sq;
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq;
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq socketQueue:(dispatch_queue_t)sq;
+
+#pragma mark Configuration
+
+@property (atomic, weak, readwrite) id delegate;
+#if OS_OBJECT_USE_OBJC
+@property (atomic, strong, readwrite) dispatch_queue_t delegateQueue;
+#else
+@property (atomic, assign, readwrite) dispatch_queue_t delegateQueue;
+#endif
+
+- (void)getDelegate:(id *)delegatePtr delegateQueue:(dispatch_queue_t *)delegateQueuePtr;
+- (void)setDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+
+/**
+ * If you are setting the delegate to nil within the delegate's dealloc method,
+ * you may need to use the synchronous versions below.
+**/
+- (void)synchronouslySetDelegate:(id)delegate;
+- (void)synchronouslySetDelegateQueue:(dispatch_queue_t)delegateQueue;
+- (void)synchronouslySetDelegate:(id)delegate delegateQueue:(dispatch_queue_t)delegateQueue;
+
+/**
+ * By default, both IPv4 and IPv6 are enabled.
+ * 
+ * For accepting incoming connections, this means GCDAsyncSocket automatically supports both protocols,
+ * and can simulataneously accept incoming connections on either protocol.
+ * 
+ * For outgoing connections, this means GCDAsyncSocket can connect to remote hosts running either protocol.
+ * If a DNS lookup returns only IPv4 results, GCDAsyncSocket will automatically use IPv4.
+ * If a DNS lookup returns only IPv6 results, GCDAsyncSocket will automatically use IPv6.
+ * If a DNS lookup returns both IPv4 and IPv6 results, the preferred protocol will be chosen.
+ * By default, the preferred protocol is IPv4, but may be configured as desired.
+**/
+
+@property (atomic, assign, readwrite, getter=isIPv4Enabled) BOOL IPv4Enabled;
+@property (atomic, assign, readwrite, getter=isIPv6Enabled) BOOL IPv6Enabled;
+
+@property (atomic, assign, readwrite, getter=isIPv4PreferredOverIPv6) BOOL IPv4PreferredOverIPv6;
+
+/**
+ * User data allows you to associate arbitrary information with the socket.
+ * This data is not used internally by socket in any way.
+**/
+@property (atomic, strong, readwrite) id userData;
+
+#pragma mark Accepting
+
+/**
+ * Tells the socket to begin listening and accepting connections on the given port.
+ * When a connection is accepted, a new instance of GCDAsyncSocket will be spawned to handle it,
+ * and the socket:didAcceptNewSocket: delegate method will be invoked.
+ * 
+ * The socket will listen on all available interfaces (e.g. wifi, ethernet, etc)
+**/
+- (BOOL)acceptOnPort:(uint16_t)port error:(NSError **)errPtr;
+
+/**
+ * This method is the same as acceptOnPort:error: with the
+ * additional option of specifying which interface to listen on.
+ * 
+ * For example, you could specify that the socket should only accept connections over ethernet,
+ * and not other interfaces such as wifi.
+ * 
+ * The interface may be specified by name (e.g. "en1" or "lo0") or by IP address (e.g. "192.168.4.34").
+ * You may also use the special strings "localhost" or "loopback" to specify that
+ * the socket only accept connections from the local machine.
+ * 
+ * You can see the list of interfaces via the command line utility "ifconfig",
+ * or programmatically via the getifaddrs() function.
+ * 
+ * To accept connections on any interface pass nil, or simply use the acceptOnPort:error: method.
+**/
+- (BOOL)acceptOnInterface:(NSString *)interface port:(uint16_t)port error:(NSError **)errPtr;
+
+#pragma mark Connecting
+
+/**
+ * Connects to the given host and port.
+ * 
+ * This method invokes connectToHost:onPort:viaInterface:withTimeout:error:
+ * and uses the default interface, and no timeout.
+**/
+- (BOOL)connectToHost:(NSString *)host onPort:(uint16_t)port error:(NSError **)errPtr;
+
+/**
+ * Connects to the given host and port with an optional timeout.
+ * 
+ * This method invokes connectToHost:onPort:viaInterface:withTimeout:error: and uses the default interface.
+**/
+- (BOOL)connectToHost:(NSString *)host
+               onPort:(uint16_t)port
+          withTimeout:(NSTimeInterval)timeout
+                error:(NSError **)errPtr;
+
+/**
+ * Connects to the given host & port, via the optional interface, with an optional timeout.
+ * 
+ * The host may be a domain name (e.g. "deusty.com") or an IP address string (e.g. "192.168.0.2").
+ * The host may also be the special strings "localhost" or "loopback" to specify connecting
+ * to a service on the local machine.
+ * 
+ * The interface may be a name (e.g. "en1" or "lo0") or the corresponding IP address (e.g. "192.168.4.35").
+ * The interface may also be used to specify the local port (see below).
+ * 
+ * To not time out use a negative time interval.
+ * 
+ * This method will return NO if an error is detected, and set the error pointer (if one was given).
+ * Possible errors would be a nil host, invalid interface, or socket is already connected.
+ * 
+ * If no errors are detected, this method will start a background connect operation and immediately return YES.
+ * The delegate callbacks are used to notify you when the socket connects, or if the host was unreachable.
+ * 
+ * Since this class supports queued reads and writes, you can immediately start reading and/or writing.
+ * All read/write operations will be queued, and upon socket connection,
+ * the operations will be dequeued and processed in order.
+ * 
+ * The interface may optionally contain a port number at the end of the string, separated by a colon.
+ * This allows you to specify the local port that should be used for the outgoing connection. (read paragraph to end)
+ * To specify both interface and local port: "en1:8082" or "192.168.4.35:2424".
+ * To specify only local port: ":8082".
+ * Please note this is an advanced feature, and is somewhat hidden on purpose.
+ * You should understand that 99.999% of the time you should NOT specify the local port for an outgoing connection.
+ * If you think you need to, there is a very good chance you have a fundamental misunderstanding somewhere.
+ * Local ports do NOT need to match remote ports. In fact, they almost never do.
+ * This feature is here for networking professionals using very advanced techniques.
+**/
+- (BOOL)connectToHost:(NSString *)host
+               onPort:(uint16_t)port
+         viaInterface:(NSString *)interface
+          withTimeout:(NSTimeInterval)timeout
+                error:(NSError **)errPtr;
+
+/**
+ * Connects to the given address, specified as a sockaddr structure wrapped in a NSData object.
+ * For example, a NSData object returned from NSNetService's addresses method.
+ * 
+ * If you have an existing struct sockaddr you can convert it to a NSData object like so:
+ * struct sockaddr sa  -> NSData *dsa = [NSData dataWithBytes:&remoteAddr length:remoteAddr.sa_len];
+ * struct sockaddr *sa -> NSData *dsa = [NSData dataWithBytes:remoteAddr length:remoteAddr->sa_len];
+ * 
+ * This method invokes connectToAdd
+**/
+- (BOOL)connectToAddress:(NSData *)remoteAddr error:(NSError **)errPtr;
+
+/**
+ * This method is the same as connectToAddress:error: with an additional timeout option.
+ * To not time out use a negative time interval, or simply use the connectToAddress:error: method.
+**/
+- (BOOL)connectToAddress:(NSData *)remoteAddr withTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr;
+
+/**
+ * Connects to the given address, using the specified interface and timeout.
+ * 
+ * The address is specified as a sockaddr structure wrapped in a NSData object.
+ * For example, a NSData object returned from NSNetService's addresses method.
+ * 
+ * If you have an existing struct sockaddr you can convert it to a NSData object like so:
+ * struct sockaddr sa  -> NSData *dsa = [NSData dataWithBytes:&remoteAddr length:remoteAddr.sa_len];
+ * struct sockaddr *sa -> NSData *dsa = [NSData dataWithBytes:remoteAddr length:remoteAddr->sa_len];
+ * 
+ * The interface may be a name (e.g. "en1" or "lo0") or the corresponding IP address (e.g. "192.168.4.35").
+ * The interface may also be used to specify the local port (see below).
+ * 
+ * The timeout is optional. To not time out use a negative time interval.
+ * 
+ * This method will return NO if an error is detected, and set the error pointer (if one was given).
+ * Possible errors would be a nil host, invalid interface, or socket is already connected.
+ * 
+ * If no errors are detected, this method will start a background connect operation and immediately return YES.
+ * The delegate callbacks are used to notify you when the socket connects, or if the host was unreachable.
+ * 
+ * Since this class supports queued reads and writes, you can immediately start reading and/or writing.
+ * All read/write operations will be queued, and upon socket connection,
+ * the operations will be dequeued and processed in order.
+ * 
+ * The interface may optionally contain a port number at the end of the string, separated by a colon.
+ * This allows you to specify the local port that should be used for the outgoing connection. (read paragraph to end)
+ * To specify both interface and local port: "en1:8082" or "192.168.4.35:2424".
+ * To specify only local port: ":8082".
+ * Please note this is an advanced feature, and is somewhat hidden on purpose.
+ * You should understand that 99.999% of the time you should NOT specify the local port for an outgoing connection.
+ * If you think you need to, there is a very good chance you have a fundamental misunderstanding somewhere.
+ * Local ports do NOT need to match remote ports. In fact, they almost never do.
+ * This feature is here for networking professionals using very advanced techniques.
+**/
+- (BOOL)connectToAddress:(NSData *)remoteAddr
+            viaInterface:(NSString *)interface
+             withTimeout:(NSTimeInterval)timeout
+                   error:(NSError **)errPtr;
+
+#pragma mark Disconnecting
+
+/**
+ * Disconnects immediately (synchronously). Any pending reads or writes are dropped.
+ * 
+ * If the socket is not already disconnected, an invocation to the socketDidDisconnect:withError: delegate method
+ * will be queued onto the delegateQueue asynchronously (behind any previously queued delegate methods).
+ * In other words, the disconnected delegate method will be invoked sometime shortly after this method returns.
+ * 
+ * Please note the recommended way of releasing a GCDAsyncSocket instance (e.g. in a dealloc method)
+ * [asyncSocket setDelegate:nil];
+ * [asyncSocket disconnect];
+ * [asyncSocket release];
+ * 
+ * If you plan on disconnecting the socket, and then immediately asking it to connect again,
+ * you'll likely want to do so like this:
+ * [asyncSocket setDelegate:nil];
+ * [asyncSocket disconnect];
+ * [asyncSocket setDelegate:self];
+ * [asyncSocket connect...];
+**/
+- (void)disconnect;
+
+/**
+ * Disconnects after all pending reads have completed.
+ * After calling this, the read and write methods will do nothing.
+ * The socket will disconnect even if there are still pending writes.
+**/
+- (void)disconnectAfterReading;
+
+/**
+ * Disconnects after all pending writes have completed.
+ * After calling this, the read and write methods will do nothing.
+ * The socket will disconnect even if there are still pending reads.
+**/
+- (void)disconnectAfterWriting;
+
+/**
+ * Disconnects after all pending reads and writes have completed.
+ * After calling this, the read and write methods will do nothing.
+**/
+- (void)disconnectAfterReadingAndWriting;
+
+#pragma mark Diagnostics
+
+/**
+ * Returns whether the socket is disconnected or connected.
+ * 
+ * A disconnected socket may be recycled.
+ * That is, it can used again for connecting or listening.
+ * 
+ * If a socket is in the process of connecting, it may be neither disconnected nor connected.
+**/
+@property (atomic, readonly) BOOL isDisconnected;
+@property (atomic, readonly) BOOL isConnected;
+
+/**
+ * Returns the local or remote host and port to which this socket is connected, or nil and 0 if not connected.
+ * The host will be an IP address.
+**/
+@property (atomic, readonly) NSString *connectedHost;
+@property (atomic, readonly) uint16_t  connectedPort;
+
+@property (atomic, readonly) NSString *localHost;
+@property (atomic, readonly) uint16_t  localPort;
+
+/**
+ * Returns the local or remote address to which this socket is connected,
+ * specified as a sockaddr structure wrapped in a NSData object.
+ * 
+ * @seealso connectedHost
+ * @seealso connectedPort
+ * @seealso localHost
+ * @seealso localPort
+**/
+@property (atomic, readonly) NSData *connectedAddress;
+@property (atomic, readonly) NSData *localAddress;
+
+/**
+ * Returns whether the socket is IPv4 or IPv6.
+ * An accepting socket may be both.
+**/
+@property (atomic, readonly) BOOL isIPv4;
+@property (atomic, readonly) BOOL isIPv6;
+
+/**
+ * Returns whether or not the socket has been secured via SSL/TLS.
+ * 
+ * See also the startTLS method.
+**/
+@property (atomic, readonly) BOOL isSecure;
+
+#pragma mark Reading
+
+// The readData and writeData methods won't block (they are asynchronous).
+// 
+// When a read is complete the socket:didReadData:withTag: delegate method is dispatched on the delegateQueue.
+// When a write is complete the socket:didWriteDataWithTag: delegate method is dispatched on the delegateQueue.
+// 
+// You may optionally set a timeout for any read/write operation. (To not timeout, use a negative time interval.)
+// If a read/write opertion times out, the corresponding "socket:shouldTimeout..." delegate method
+// is called to optionally allow you to extend the timeout.
+// Upon a timeout, the "socket:didDisconnectWithError:" method is called
+// 
+// The tag is for your convenience.
+// You can use it as an array index, step number, state id, pointer, etc.
+
+/**
+ * Reads the first available bytes that become available on the socket.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+**/
+- (void)readDataWithTimeout:(NSTimeInterval)timeout tag:(long)tag;
+
+/**
+ * Reads the first available bytes that become available on the socket.
+ * The bytes will be appended to the given byte buffer starting at the given offset.
+ * The given buffer will automatically be increased in size if needed.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * If the buffer if nil, the socket will create a buffer for you.
+ * 
+ * If the bufferOffset is greater than the length of the given buffer,
+ * the method will do nothing, and the delegate will not be called.
+ * 
+ * If you pass a buffer, you must not alter it in any way while the socket is using it.
+ * After completion, the data returned in socket:didReadData:withTag: will be a subset of the given buffer.
+ * That is, it will reference the bytes that were appended to the given buffer via
+ * the method [NSData dataWithBytesNoCopy:length:freeWhenDone:NO].
+**/
+- (void)readDataWithTimeout:(NSTimeInterval)timeout
+					 buffer:(NSMutableData *)buffer
+			   bufferOffset:(NSUInteger)offset
+						tag:(long)tag;
+
+/**
+ * Reads the first available bytes that become available on the socket.
+ * The bytes will be appended to the given byte buffer starting at the given offset.
+ * The given buffer will automatically be increased in size if needed.
+ * A maximum of length bytes will be read.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * If the buffer if nil, a buffer will automatically be created for you.
+ * If maxLength is zero, no length restriction is enforced.
+ * 
+ * If the bufferOffset is greater than the length of the given buffer,
+ * the method will do nothing, and the delegate will not be called.
+ * 
+ * If you pass a buffer, you must not alter it in any way while the socket is using it.
+ * After completion, the data returned in socket:didReadData:withTag: will be a subset of the given buffer.
+ * That is, it will reference the bytes that were appended to the given buffer  via
+ * the method [NSData dataWithBytesNoCopy:length:freeWhenDone:NO].
+**/
+- (void)readDataWithTimeout:(NSTimeInterval)timeout
+                     buffer:(NSMutableData *)buffer
+               bufferOffset:(NSUInteger)offset
+                  maxLength:(NSUInteger)length
+                        tag:(long)tag;
+
+/**
+ * Reads the given number of bytes.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * 
+ * If the length is 0, this method does nothing and the delegate is not called.
+**/
+- (void)readDataToLength:(NSUInteger)length withTimeout:(NSTimeInterval)timeout tag:(long)tag;
+
+/**
+ * Reads the given number of bytes.
+ * The bytes will be appended to the given byte buffer starting at the given offset.
+ * The given buffer will automatically be increased in size if needed.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * If the buffer if nil, a buffer will automatically be created for you.
+ * 
+ * If the length is 0, this method does nothing and the delegate is not called.
+ * If the bufferOffset is greater than the length of the given buffer,
+ * the method will do nothing, and the delegate will not be called.
+ * 
+ * If you pass a buffer, you must not alter it in any way while AsyncSocket is using it.
+ * After completion, the data returned in socket:didReadData:withTag: will be a subset of the given buffer.
+ * That is, it will reference the bytes that were appended to the given buffer via
+ * the method [NSData dataWithBytesNoCopy:length:freeWhenDone:NO].
+**/
+- (void)readDataToLength:(NSUInteger)length
+             withTimeout:(NSTimeInterval)timeout
+                  buffer:(NSMutableData *)buffer
+            bufferOffset:(NSUInteger)offset
+                     tag:(long)tag;
+
+/**
+ * Reads bytes until (and including) the passed "data" parameter, which acts as a separator.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * 
+ * If you pass nil or zero-length data as the "data" parameter,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * 
+ * To read a line from the socket, use the line separator (e.g. CRLF for HTTP, see below) as the "data" parameter.
+ * If you're developing your own custom protocol, be sure your separator can not occur naturally as
+ * part of the data between separators.
+ * For example, imagine you want to send several small documents over a socket.
+ * Using CRLF as a separator is likely unwise, as a CRLF could easily exist within the documents.
+ * In this particular example, it would be better to use a protocol similar to HTTP with
+ * a header that includes the length of the document.
+ * Also be careful that your separator cannot occur naturally as part of the encoding for a character.
+ * 
+ * The given data (separator) parameter should be immutable.
+ * For performance reasons, the socket will retain it, not copy it.
+ * So if it is immutable, don't modify it while the socket is using it.
+**/
+- (void)readDataToData:(NSData *)data withTimeout:(NSTimeInterval)timeout tag:(long)tag;
+
+/**
+ * Reads bytes until (and including) the passed "data" parameter, which acts as a separator.
+ * The bytes will be appended to the given byte buffer starting at the given offset.
+ * The given buffer will automatically be increased in size if needed.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * If the buffer if nil, a buffer will automatically be created for you.
+ * 
+ * If the bufferOffset is greater than the length of the given buffer,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * 
+ * If you pass a buffer, you must not alter it in any way while the socket is using it.
+ * After completion, the data returned in socket:didReadData:withTag: will be a subset of the given buffer.
+ * That is, it will reference the bytes that were appended to the given buffer via
+ * the method [NSData dataWithBytesNoCopy:length:freeWhenDone:NO].
+ * 
+ * To read a line from the socket, use the line separator (e.g. CRLF for HTTP, see below) as the "data" parameter.
+ * If you're developing your own custom protocol, be sure your separator can not occur naturally as
+ * part of the data between separators.
+ * For example, imagine you want to send several small documents over a socket.
+ * Using CRLF as a separator is likely unwise, as a CRLF could easily exist within the documents.
+ * In this particular example, it would be better to use a protocol similar to HTTP with
+ * a header that includes the length of the document.
+ * Also be careful that your separator cannot occur naturally as part of the encoding for a character.
+ * 
+ * The given data (separator) parameter should be immutable.
+ * For performance reasons, the socket will retain it, not copy it.
+ * So if it is immutable, don't modify it while the socket is using it.
+**/
+- (void)readDataToData:(NSData *)data
+           withTimeout:(NSTimeInterval)timeout
+                buffer:(NSMutableData *)buffer
+          bufferOffset:(NSUInteger)offset
+                   tag:(long)tag;
+
+/**
+ * Reads bytes until (and including) the passed "data" parameter, which acts as a separator.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * 
+ * If maxLength is zero, no length restriction is enforced.
+ * Otherwise if maxLength bytes are read without completing the read,
+ * it is treated similarly to a timeout - the socket is closed with a GCDAsyncSocketReadMaxedOutError.
+ * The read will complete successfully if exactly maxLength bytes are read and the given data is found at the end.
+ * 
+ * If you pass nil or zero-length data as the "data" parameter,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * If you pass a maxLength parameter that is less than the length of the data parameter,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * 
+ * To read a line from the socket, use the line separator (e.g. CRLF for HTTP, see below) as the "data" parameter.
+ * If you're developing your own custom protocol, be sure your separator can not occur naturally as
+ * part of the data between separators.
+ * For example, imagine you want to send several small documents over a socket.
+ * Using CRLF as a separator is likely unwise, as a CRLF could easily exist within the documents.
+ * In this particular example, it would be better to use a protocol similar to HTTP with
+ * a header that includes the length of the document.
+ * Also be careful that your separator cannot occur naturally as part of the encoding for a character.
+ * 
+ * The given data (separator) parameter should be immutable.
+ * For performance reasons, the socket will retain it, not copy it.
+ * So if it is immutable, don't modify it while the socket is using it.
+**/
+- (void)readDataToData:(NSData *)data withTimeout:(NSTimeInterval)timeout maxLength:(NSUInteger)length tag:(long)tag;
+
+/**
+ * Reads bytes until (and including) the passed "data" parameter, which acts as a separator.
+ * The bytes will be appended to the given byte buffer starting at the given offset.
+ * The given buffer will automatically be increased in size if needed.
+ * 
+ * If the timeout value is negative, the read operation will not use a timeout.
+ * If the buffer if nil, a buffer will automatically be created for you.
+ * 
+ * If maxLength is zero, no length restriction is enforced.
+ * Otherwise if maxLength bytes are read without completing the read,
+ * it is treated similarly to a timeout - the socket is closed with a GCDAsyncSocketReadMaxedOutError.
+ * The read will complete successfully if exactly maxLength bytes are read and the given data is found at the end.
+ * 
+ * If you pass a maxLength parameter that is less than the length of the data (separator) parameter,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * If the bufferOffset is greater than the length of the given buffer,
+ * the method will do nothing (except maybe print a warning), and the delegate will not be called.
+ * 
+ * If you pass a buffer, you must not alter it in any way while the socket is using it.
+ * After completion, the data returned in socket:didReadData:withTag: will be a subset of the given buffer.
+ * That is, it will reference the bytes that were appended to the given buffer via
+ * the method [NSData dataWithBytesNoCopy:length:freeWhenDone:NO].
+ * 
+ * To read a line from the socket, use the line separator (e.g. CRLF for HTTP, see below) as the "data" parameter.
+ * If you're developing your own custom protocol, be sure your separator can not occur naturally as
+ * part of the data between separators.
+ * For example, imagine you want to send several small documents over a socket.
+ * Using CRLF as a separator is likely unwise, as a CRLF could easily exist within the documents.
+ * In this particular example, it would be better to use a protocol similar to HTTP with
+ * a header that includes the length of the document.
+ * Also be careful that your separator cannot occur naturally as part of the encoding for a character.
+ * 
+ * The given data (separator) parameter should be immutable.
+ * For performance reasons, the socket will retain it, not copy it.
+ * So if it is immutable, don't modify it while the socket is using it.
+**/
+- (void)readDataToData:(NSData *)data
+           withTimeout:(NSTimeInterval)timeout
+                buffer:(NSMutableData *)buffer
+          bufferOffset:(NSUInteger)offset
+             maxLength:(NSUInteger)length
+                   tag:(long)tag;
+
+/**
+ * Returns progress of the current read, from 0.0 to 1.0, or NaN if no current read (use isnan() to check).
+ * The parameters "tag", "done" and "total" will be filled in if they aren't NULL.
+**/
+- (float)progressOfReadReturningTag:(long *)tagPtr bytesDone:(NSUInteger *)donePtr total:(NSUInteger *)totalPtr;
+
+#pragma mark Writing
+
+/**
+ * Writes data to the socket, and calls the delegate when finished.
+ * 
+ * If you pass in nil or zero-length data, this method does nothing and the delegate will not be called.
+ * If the timeout value is negative, the write operation will not use a timeout.
+ * 
+ * Thread-Safety Note:
+ * If the given data parameter is mutable (NSMutableData) then you MUST NOT alter the data while
+ * the socket is writing it. In other words, it's not safe to alter the data until after the delegate method
+ * socket:didWriteDataWithTag: is invoked signifying that this particular write operation has completed.
+ * This is due to the fact that GCDAsyncSocket does NOT copy the data. It simply retains it.
+ * This is for performance reasons. Often times, if NSMutableData is passed, it is because
+ * a request/response was built up in memory. Copying this data adds an unwanted/unneeded overhead.
+ * If you need to write data from an immutable buffer, and you need to alter the buffer before the socket
+ * completes writing the bytes (which is NOT immediately after this method returns, but rather at a later time
+ * when the delegate method notifies you), then you should first copy the bytes, and pass the copy to this method.
+**/
+- (void)writeData:(NSData *)data withTimeout:(NSTimeInterval)timeout tag:(long)tag;
+
+/**
+ * Returns progress of the current write, from 0.0 to 1.0, or NaN if no current write (use isnan() to check).
+ * The parameters "tag", "done" and "total" will be filled in if they aren't NULL.
+**/
+- (float)progressOfWriteReturningTag:(long *)tagPtr bytesDone:(NSUInteger *)donePtr total:(NSUInteger *)totalPtr;
+
+#pragma mark Security
+
+/**
+ * Secures the connection using SSL/TLS.
+ * 
+ * This method may be called at any time, and the TLS handshake will occur after all pending reads and writes
+ * are finished. This allows one the option of sending a protocol dependent StartTLS message, and queuing
+ * the upgrade to TLS at the same time, without having to wait for the write to finish.
+ * Any reads or writes scheduled after this method is called will occur over the secured connection.
+ *
+ * ==== The available TOP-LEVEL KEYS are:
+ * 
+ * - GCDAsyncSocketManuallyEvaluateTrust
+ *     The value must be of type NSNumber, encapsulating a BOOL value.
+ *     If you set this to YES, then the underlying SecureTransport system will not evaluate the SecTrustRef of the peer.
+ *     Instead it will pause at the moment evaulation would typically occur,
+ *     and allow us to handle the security evaluation however we see fit.
+ *     So GCDAsyncSocket will invoke the delegate method socket:shouldTrustPeer: passing the SecTrustRef.
+ *
+ *     Note that if you set this option, then all other configuration keys are ignored.
+ *     Evaluation will be completely up to you during the socket:didReceiveTrust:completionHandler: delegate method.
+ *
+ *     For more information on trust evaluation see:
+ *     Apple's Technical Note TN2232 - HTTPS Server Trust Evaluation
+ *     https://developer.apple.com/library/ios/technotes/tn2232/_index.html
+ *     
+ *     If unspecified, the default value is NO.
+ *
+ * - GCDAsyncSocketUseCFStreamForTLS (iOS only)
+ *     The value must be of type NSNumber, encapsulating a BOOL value.
+ *     By default GCDAsyncSocket will use the SecureTransport layer to perform encryption.
+ *     This gives us more control over the security protocol (many more configuration options),
+ *     plus it allows us to optimize things like sys calls and buffer allocation.
+ *     
+ *     However, if you absolutely must, you can instruct GCDAsyncSocket to use the old-fashioned encryption
+ *     technique by going through the CFStream instead. So instead of using SecureTransport, GCDAsyncSocket
+ *     will instead setup a CFRead/CFWriteStream. And then set the kCFStreamPropertySSLSettings property
+ *     (via CFReadStreamSetProperty / CFWriteStreamSetProperty) and will pass the given options to this method.
+ *     
+ *     Thus all the other keys in the given dictionary will be ignored by GCDAsyncSocket,
+ *     and will passed directly CFReadStreamSetProperty / CFWriteStreamSetProperty.
+ *     For more infomation on these keys, please see the documentation for kCFStreamPropertySSLSettings.
+ *
+ *     If unspecified, the default value is NO.
+ *
+ * ==== The available CONFIGURATION KEYS are:
+ *
+ * - kCFStreamSSLPeerName
+ *     The value must be of type NSString.
+ *     It should match the name in the X.509 certificate given by the remote party.
+ *     See Apple's documentation for SSLSetPeerDomainName.
+ *
+ * - kCFStreamSSLCertificates
+ *     The value must be of type NSArray.
+ *     See Apple's documentation for SSLSetCertificate.
+ *
+ * - kCFStreamSSLIsServer
+ *     The value must be of type NSNumber, encapsulationg a BOOL value.
+ *     See Apple's documentation for SSLCreateContext for iOS.
+ *     This is optional for iOS. If not supplied, a NO value is the default.
+ *     This is not needed for Mac OS X, and the value is ignored.
+ *
+ * - GCDAsyncSocketSSLPeerID
+ *     The value must be of type NSData.
+ *     You must set this value if you want to use TLS session resumption.
+ *     See Apple's documentation for SSLSetPeerID.
+ *
+ * - GCDAsyncSocketSSLProtocolVersionMin
+ * - GCDAsyncSocketSSLProtocolVersionMax
+ *     The value(s) must be of type NSNumber, encapsulting a SSLProtocol value.
+ *     See Apple's documentation for SSLSetProtocolVersionMin & SSLSetProtocolVersionMax.
+ *     See also the SSLProtocol typedef.
+ * 
+ * - GCDAsyncSocketSSLSessionOptionFalseStart
+ *     The value must be of type NSNumber, encapsulating a BOOL value.
+ *     See Apple's documentation for kSSLSessionOptionFalseStart.
+ * 
+ * - GCDAsyncSocketSSLSessionOptionSendOneByteRecord
+ *     The value must be of type NSNumber, encapsulating a BOOL value.
+ *     See Apple's documentation for kSSLSessionOptionSendOneByteRecord.
+ * 
+ * - GCDAsyncSocketSSLCipherSuites
+ *     The values must be of type NSArray.
+ *     Each item within the array must be a NSNumber, encapsulating
+ *     See Apple's documentation for SSLSetEnabledCiphers.
+ *     See also the SSLCipherSuite typedef.
+ *
+ * - GCDAsyncSocketSSLDiffieHellmanParameters (Mac OS X only)
+ *     The value must be of type NSData.
+ *     See Apple's documentation for SSLSetDiffieHellmanParams.
+ * 
+ * ==== The following UNAVAILABLE KEYS are: (with throw an exception)
+ * 
+ * - kCFStreamSSLAllowsAnyRoot (UNAVAILABLE)
+ *     You MUST use manual trust evaluation instead (see GCDAsyncSocketManuallyEvaluateTrust).
+ *     Corresponding deprecated method: SSLSetAllowsAnyRoot
+ * 
+ * - kCFStreamSSLAllowsExpiredRoots (UNAVAILABLE)
+ *     You MUST use manual trust evaluation instead (see GCDAsyncSocketManuallyEvaluateTrust).
+ *     Corresponding deprecated method: SSLSetAllowsExpiredRoots
+ *
+ * - kCFStreamSSLAllowsExpiredCertificates (UNAVAILABLE)
+ *     You MUST use manual trust evaluation instead (see GCDAsyncSocketManuallyEvaluateTrust).
+ *     Corresponding deprecated method: SSLSetAllowsExpiredCerts
+ *
+ * - kCFStreamSSLValidatesCertificateChain (UNAVAILABLE)
+ *     You MUST use manual trust evaluation instead (see GCDAsyncSocketManuallyEvaluateTrust).
+ *     Corresponding deprecated method: SSLSetEnableCertVerify
+ *
+ * - kCFStreamSSLLevel (UNAVAILABLE)
+ *     You MUST use GCDAsyncSocketSSLProtocolVersionMin & GCDAsyncSocketSSLProtocolVersionMin instead.
+ *     Corresponding deprecated method: SSLSetProtocolVersionEnabled
+ *
+ * 
+ * Please refer to Apple's documentation for corresponding SSLFunctions.
+ *
+ * If you pass in nil or an empty dictionary, the default settings will be used.
+ * 
+ * IMPORTANT SECURITY NOTE:
+ * The default settings will check to make sure the remote party's certificate is signed by a
+ * trusted 3rd party certificate agency (e.g. verisign) and that the certificate is not expired.
+ * However it will not verify the name on the certificate unless you
+ * give it a name to verify against via the kCFStreamSSLPeerName key.
+ * The security implications of this are important to understand.
+ * Imagine you are attempting to create a secure connection to MySecureServer.com,
+ * but your socket gets directed to MaliciousServer.com because of a hacked DNS server.
+ * If you simply use the default settings, and MaliciousServer.com has a valid certificate,
+ * the default settings will not detect any problems since the certificate is valid.
+ * To properly secure your connection in this particular scenario you
+ * should set the kCFStreamSSLPeerName property to "MySecureServer.com".
+ * 
+ * You can also perform additional validation in socketDidSecure.
+**/
+- (void)startTLS:(NSDictionary *)tlsSettings;
+
+#pragma mark Advanced
+
+/**
+ * Traditionally sockets are not closed until the conversation is over.
+ * However, it is technically possible for the remote enpoint to close its write stream.
+ * Our socket would then be notified that there is no more data to be read,
+ * but our socket would still be writeable and the remote endpoint could continue to receive our data.
+ * 
+ * The argument for this confusing functionality stems from the idea that a client could shut down its
+ * write stream after sending a request to the server, thus notifying the server there are to be no further requests.
+ * In practice, however, this technique did little to help server developers.
+ * 
+ * To make matters worse, from a TCP perspective there is no way to tell the difference from a read stream close
+ * and a full socket close. They both result in the TCP stack receiving a FIN packet. The only way to tell
+ * is by continuing to write to the socket. If it was only a read stream close, then writes will continue to work.
+ * Otherwise an error will be occur shortly (when the remote end sends us a RST packet).
+ * 
+ * In addition to the technical challenges and confusion, many high level socket/stream API's provide
+ * no support for dealing with the problem. If the read stream is closed, the API immediately declares the
+ * socket to be closed, and shuts down the write stream as well. In fact, this is what Apple's CFStream API does.
+ * It might sound like poor design at first, but in fact it simplifies development.
+ * 
+ * The vast majority of the time if the read stream is closed it's because the remote endpoint closed its socket.
+ * Thus it actually makes sense to close the socket at this point.
+ * And in fact this is what most networking developers want and expect to happen.
+ * However, if you are writing a server that interacts with a plethora of clients,
+ * you might encounter a client that uses the discouraged technique of shutting down its write stream.
+ * If this is the case, you can set this property to NO,
+ * and make use of the socketDidCloseReadStream delegate method.
+ * 
+ * The default value is YES.
+**/
+@property (atomic, assign, readwrite) BOOL autoDisconnectOnClosedReadStream;
+
+/**
+ * GCDAsyncSocket maintains thread safety by using an internal serial dispatch_queue.
+ * In most cases, the instance creates this queue itself.
+ * However, to allow for maximum flexibility, the internal queue may be passed in the init method.
+ * This allows for some advanced options such as controlling socket priority via target queues.
+ * However, when one begins to use target queues like this, they open the door to some specific deadlock issues.
+ * 
+ * For example, imagine there are 2 queues:
+ * dispatch_queue_t socketQueue;
+ * dispatch_queue_t socketTargetQueue;
+ * 
+ * If you do this (pseudo-code):
+ * socketQueue.targetQueue = socketTargetQueue;
+ * 
+ * Then all socketQueue operations will actually get run on the given socketTargetQueue.
+ * This is fine and works great in most situations.
+ * But if you run code directly from within the socketTargetQueue that accesses the socket,
+ * you could potentially get deadlock. Imagine the following code:
+ * 
+ * - (BOOL)socketHasSomething
+ * {
+ *     __block BOOL result = NO;
+ *     dispatch_block_t block = ^{
+ *         result = [self someInternalMethodToBeRunOnlyOnSocketQueue];
+ *     }
+ *     if (is_executing_on_queue(socketQueue))
+ *         block();
+ *     else
+ *         dispatch_sync(socketQueue, block);
+ *     
+ *     return result;
+ * }
+ * 
+ * What happens if you call this method from the socketTargetQueue? The result is deadlock.
+ * This is because the GCD API offers no mechanism to discover a queue's targetQueue.
+ * Thus we have no idea if our socketQueue is configured with a targetQueue.
+ * If we had this information, we could easily avoid deadlock.
+ * But, since these API's are missing or unfeasible, you'll have to explicitly set it.
+ * 
+ * IF you pass a socketQueue via the init method,
+ * AND you've configured the passed socketQueue with a targetQueue,
+ * THEN you should pass the end queue in the target hierarchy.
+ * 
+ * For example, consider the following queue hierarchy:
+ * socketQueue -> ipQueue -> moduleQueue
+ *
+ * This example demonstrates priority shaping within some server.
+ * All incoming client connections from the same IP address are executed on the same target queue.
+ * And all connections for a particular module are executed on the same target queue.
+ * Thus, the priority of all networking for the entire module can be changed on the fly.
+ * Additionally, networking traffic from a single IP cannot monopolize the module.
+ * 
+ * Here's how you would accomplish something like that:
+ * - (dispatch_queue_t)newSocketQueueForConnectionFromAddress:(NSData *)address onSocket:(GCDAsyncSocket *)sock
+ * {
+ *     dispatch_queue_t socketQueue = dispatch_queue_create("", NULL);
+ *     dispatch_queue_t ipQueue = [self ipQueueForAddress:address];
+ *     
+ *     dispatch_set_target_queue(socketQueue, ipQueue);
+ *     dispatch_set_target_queue(iqQueue, moduleQueue);
+ *     
+ *     return socketQueue;
+ * }
+ * - (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket
+ * {
+ *     [clientConnections addObject:newSocket];
+ *     [newSocket markSocketQueueTargetQueue:moduleQueue];
+ * }
+ * 
+ * Note: This workaround is ONLY needed if you intend to execute code directly on the ipQueue or moduleQueue.
+ * This is often NOT the case, as such queues are used solely for execution shaping.
+**/
+- (void)markSocketQueueTargetQueue:(dispatch_queue_t)socketQueuesPreConfiguredTargetQueue;
+- (void)unmarkSocketQueueTargetQueue:(dispatch_queue_t)socketQueuesPreviouslyConfiguredTargetQueue;
+
+/**
+ * It's not thread-safe to access certain variables from outside the socket's internal queue.
+ * 
+ * For example, the socket file descriptor.
+ * File descriptors are simply integers which reference an index in the per-process file table.
+ * However, when one requests a new file descriptor (by opening a file or socket),
+ * the file descriptor returned is guaranteed to be the lowest numbered unused descriptor.
+ * So if we're not careful, the following could be possible:
+ * 
+ * - Thread A invokes a method which returns the socket's file descriptor.
+ * - The socket is closed via the socket's internal queue on thread B.
+ * - Thread C opens a file, and subsequently receives the file descriptor that was previously the socket's FD.
+ * - Thread A is now accessing/altering the file instead of the socket.
+ * 
+ * In addition to this, other variables are not actually objects,
+ * and thus cannot be retained/released or even autoreleased.
+ * An example is the sslContext, of type SSLContextRef, which is actually a malloc'd struct.
+ * 
+ * Although there are internal variables that make it difficult to maintain thread-safety,
+ * it is important to provide access to these variables
+ * to ensure this class can be used in a wide array of environments.
+ * This method helps to accomplish this by invoking the current block on the socket's internal queue.
+ * The methods below can be invoked from within the block to access
+ * those generally thread-unsafe internal variables in a thread-safe manner.
+ * The given block will be invoked synchronously on the socket's internal queue.
+ * 
+ * If you save references to any protected variables and use them outside the block, you do so at your own peril.
+**/
+- (void)performBlock:(dispatch_block_t)block;
+
+/**
+ * These methods are only available from within the context of a performBlock: invocation.
+ * See the documentation for the performBlock: method above.
+ * 
+ * Provides access to the socket's file descriptor(s).
+ * If the socket is a server socket (is accepting incoming connections),
+ * it might actually have multiple internal socket file descriptors - one for IPv4 and one for IPv6.
+**/
+- (int)socketFD;
+- (int)socket4FD;
+- (int)socket6FD;
+
+#if TARGET_OS_IPHONE
+
+/**
+ * These methods are only available from within the context of a performBlock: invocation.
+ * See the documentation for the performBlock: method above.
+ * 
+ * Provides access to the socket's internal CFReadStream/CFWriteStream.
+ * 
+ * These streams are only used as workarounds for specific iOS shortcomings:
+ * 
+ * - Apple has decided to keep the SecureTransport framework private is iOS.
+ *   This means the only supplied way to do SSL/TLS is via CFStream or some other API layered on top of it.
+ *   Thus, in order to provide SSL/TLS support on iOS we are forced to rely on CFStream,
+ *   instead of the preferred and faster and more powerful SecureTransport.
+ * 
+ * - If a socket doesn't have backgrounding enabled, and that socket is closed while the app is backgrounded,
+ *   Apple only bothers to notify us via the CFStream API.
+ *   The faster and more powerful GCD API isn't notified properly in this case.
+ * 
+ * See also: (BOOL)enableBackgroundingOnSocket
+**/
+- (CFReadStreamRef)readStream;
+- (CFWriteStreamRef)writeStream;
+
+/**
+ * This method is only available from within the context of a performBlock: invocation.
+ * See the documentation for the performBlock: method above.
+ * 
+ * Configures the socket to allow it to operate when the iOS application has been backgrounded.
+ * In other words, this method creates a read & write stream, and invokes:
+ * 
+ * CFReadStreamSetProperty(readStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
+ * CFWriteStreamSetProperty(writeStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
+ * 
+ * Returns YES if successful, NO otherwise.
+ * 
+ * Note: Apple does not officially support backgrounding server sockets.
+ * That is, if your socket is accepting incoming connections, Apple does not officially support
+ * allowing iOS applications to accept incoming connections while an app is backgrounded.
+ * 
+ * Example usage:
+ * 
+ * - (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port
+ * {
+ *     [asyncSocket performBlock:^{
+ *         [asyncSocket enableBackgroundingOnSocket];
+ *     }];
+ * }
+**/
+- (BOOL)enableBackgroundingOnSocket;
+
+#endif
+
+/**
+ * This method is only available from within the context of a performBlock: invocation.
+ * See the documentation for the performBlock: method above.
+ * 
+ * Provides access to the socket's SSLContext, if SSL/TLS has been started on the socket.
+**/
+- (SSLContextRef)sslContext;
+
+#pragma mark Utilities
+
+/**
+ * The address lookup utility used by the class.
+ * This method is synchronous, so it's recommended you use it on a background thread/queue.
+ * 
+ * The special strings "localhost" and "loopback" return the loopback address for IPv4 and IPv6.
+ * 
+ * @returns
+ *   A mutable array with all IPv4 and IPv6 addresses returned by getaddrinfo.
+ *   The addresses are specifically for TCP connections.
+ *   You can filter the addresses, if needed, using the other utility methods provided by the class.
+**/
++ (NSMutableArray *)lookupHost:(NSString *)host port:(uint16_t)port error:(NSError **)errPtr;
+
+/**
+ * Extracting host and port information from raw address data.
+**/
+
++ (NSString *)hostFromAddress:(NSData *)address;
++ (uint16_t)portFromAddress:(NSData *)address;
+
++ (BOOL)isIPv4Address:(NSData *)address;
++ (BOOL)isIPv6Address:(NSData *)address;
+
++ (BOOL)getHost:(NSString **)hostPtr port:(uint16_t *)portPtr fromAddress:(NSData *)address;
+
++ (BOOL)getHost:(NSString **)hostPtr port:(uint16_t *)portPtr family:(sa_family_t *)afPtr fromAddress:(NSData *)address;
+
+/**
+ * A few common line separators, for use with the readDataToData:... methods.
+**/
++ (NSData *)CRLFData;   // 0x0D0A
++ (NSData *)CRData;     // 0x0D
++ (NSData *)LFData;     // 0x0A
++ (NSData *)ZeroData;   // 0x00
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol GCDAsyncSocketDelegate
+@optional
+
+/**
+ * This method is called immediately prior to socket:didAcceptNewSocket:.
+ * It optionally allows a listening socket to specify the socketQueue for a new accepted socket.
+ * If this method is not implemented, or returns NULL, the new accepted socket will create its own default queue.
+ * 
+ * Since you cannot autorelease a dispatch_queue,
+ * this method uses the "new" prefix in its name to specify that the returned queue has been retained.
+ * 
+ * Thus you could do something like this in the implementation:
+ * return dispatch_queue_create("MyQueue", NULL);
+ * 
+ * If you are placing multiple sockets on the same queue,
+ * then care should be taken to increment the retain count each time this method is invoked.
+ * 
+ * For example, your implementation might look something like this:
+ * dispatch_retain(myExistingQueue);
+ * return myExistingQueue;
+**/
+- (dispatch_queue_t)newSocketQueueForConnectionFromAddress:(NSData *)address onSocket:(GCDAsyncSocket *)sock;
+
+/**
+ * Called when a socket accepts a connection.
+ * Another socket is automatically spawned to handle it.
+ * 
+ * You must retain the newSocket if you wish to handle the connection.
+ * Otherwise the newSocket instance will be released and the spawned connection will be closed.
+ * 
+ * By default the new socket will have the same delegate and delegateQueue.
+ * You may, of course, change this at any time.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didAcceptNewSocket:(GCDAsyncSocket *)newSocket;
+
+/**
+ * Called when a socket connects and is ready for reading and writing.
+ * The host parameter will be an IP address, not a DNS name.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didConnectToHost:(NSString *)host port:(uint16_t)port;
+
+/**
+ * Called when a socket has completed reading the requested data into memory.
+ * Not called if there is an error.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didReadData:(NSData *)data withTag:(long)tag;
+
+/**
+ * Called when a socket has read in data, but has not yet completed the read.
+ * This would occur if using readToData: or readToLength: methods.
+ * It may be used to for things such as updating progress bars.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didReadPartialDataOfLength:(NSUInteger)partialLength tag:(long)tag;
+
+/**
+ * Called when a socket has completed writing the requested data. Not called if there is an error.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didWriteDataWithTag:(long)tag;
+
+/**
+ * Called when a socket has written some data, but has not yet completed the entire write.
+ * It may be used to for things such as updating progress bars.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didWritePartialDataOfLength:(NSUInteger)partialLength tag:(long)tag;
+
+/**
+ * Called if a read operation has reached its timeout without completing.
+ * This method allows you to optionally extend the timeout.
+ * If you return a positive time interval (> 0) the read's timeout will be extended by the given amount.
+ * If you don't implement this method, or return a non-positive time interval (<= 0) the read will timeout as usual.
+ * 
+ * The elapsed parameter is the sum of the original timeout, plus any additions previously added via this method.
+ * The length parameter is the number of bytes that have been read so far for the read operation.
+ * 
+ * Note that this method may be called multiple times for a single read if you return positive numbers.
+**/
+- (NSTimeInterval)socket:(GCDAsyncSocket *)sock shouldTimeoutReadWithTag:(long)tag
+                                                                 elapsed:(NSTimeInterval)elapsed
+                                                               bytesDone:(NSUInteger)length;
+
+/**
+ * Called if a write operation has reached its timeout without completing.
+ * This method allows you to optionally extend the timeout.
+ * If you return a positive time interval (> 0) the write's timeout will be extended by the given amount.
+ * If you don't implement this method, or return a non-positive time interval (<= 0) the write will timeout as usual.
+ * 
+ * The elapsed parameter is the sum of the original timeout, plus any additions previously added via this method.
+ * The length parameter is the number of bytes that have been written so far for the write operation.
+ * 
+ * Note that this method may be called multiple times for a single write if you return positive numbers.
+**/
+- (NSTimeInterval)socket:(GCDAsyncSocket *)sock shouldTimeoutWriteWithTag:(long)tag
+                                                                  elapsed:(NSTimeInterval)elapsed
+                                                                bytesDone:(NSUInteger)length;
+
+/**
+ * Conditionally called if the read stream closes, but the write stream may still be writeable.
+ * 
+ * This delegate method is only called if autoDisconnectOnClosedReadStream has been set to NO.
+ * See the discussion on the autoDisconnectOnClosedReadStream method for more information.
+**/
+- (void)socketDidCloseReadStream:(GCDAsyncSocket *)sock;
+
+/**
+ * Called when a socket disconnects with or without error.
+ * 
+ * If you call the disconnect method, and the socket wasn't already disconnected,
+ * then an invocation of this delegate method will be enqueued on the delegateQueue
+ * before the disconnect method returns.
+ * 
+ * Note: If the GCDAsyncSocket instance is deallocated while it is still connected,
+ * and the delegate is not also deallocated, then this method will be invoked,
+ * but the sock parameter will be nil. (It must necessarily be nil since it is no longer available.)
+ * This is a generally rare, but is possible if one writes code like this:
+ * 
+ * asyncSocket = nil; // I'm implicitly disconnecting the socket
+ * 
+ * In this case it may preferrable to nil the delegate beforehand, like this:
+ * 
+ * asyncSocket.delegate = nil; // Don't invoke my delegate method
+ * asyncSocket = nil; // I'm implicitly disconnecting the socket
+ * 
+ * Of course, this depends on how your state machine is configured.
+**/
+- (void)socketDidDisconnect:(GCDAsyncSocket *)sock withError:(NSError *)err;
+
+/**
+ * Called after the socket has successfully completed SSL/TLS negotiation.
+ * This method is not called unless you use the provided startTLS method.
+ * 
+ * If a SSL/TLS negotiation fails (invalid certificate, etc) then the socket will immediately close,
+ * and the socketDidDisconnect:withError: delegate method will be called with the specific SSL error code.
+**/
+- (void)socketDidSecure:(GCDAsyncSocket *)sock;
+
+/**
+ * Allows a socket delegate to hook into the TLS handshake and manually validate the peer it's connecting to.
+ *
+ * This is only called if startTLS is invoked with options that include:
+ * - GCDAsyncSocketManuallyEvaluateTrust == YES
+ *
+ * Typically the delegate will use SecTrustEvaluate (and related functions) to properly validate the peer.
+ * 
+ * Note from Apple's documentation:
+ *   Because [SecTrustEvaluate] might look on the network for certificates in the certificate chain,
+ *   [it] might block while attempting network access. You should never call it from your main thread;
+ *   call it only from within a function running on a dispatch queue or on a separate thread.
+ * 
+ * Thus this method uses a completionHandler block rather than a normal return value.
+ * The completionHandler block is thread-safe, and may be invoked from a background queue/thread.
+ * It is safe to invoke the completionHandler block even if the socket has been closed.
+**/
+- (void)socket:(GCDAsyncSocket *)sock didReceiveTrust:(SecTrustRef)trust
+                                    completionHandler:(void (^)(BOOL shouldTrustPeer))completionHandler;
+
+@end
diff --git a/Vendor/CocoaAsyncSocket/GCDAsyncSocket.m b/Vendor/CocoaAsyncSocket/GCDAsyncSocket.m
new file mode 100644
index 0000000..531a29d
--- /dev/null
+++ b/Vendor/CocoaAsyncSocket/GCDAsyncSocket.m
@@ -0,0 +1,7719 @@
+//
+//  GCDAsyncSocket.m
+//  
+//  This class is in the public domain.
+//  Originally created by Robbie Hanson in Q4 2010.
+//  Updated and maintained by Deusty LLC and the Apple development community.
+//
+//  https://github.com/robbiehanson/CocoaAsyncSocket
+//
+
+#import "GCDAsyncSocket.h"
+
+#if TARGET_OS_IPHONE
+#import <CFNetwork/CFNetwork.h>
+#endif
+
+#import <TargetConditionals.h>
+#import <arpa/inet.h>
+#import <fcntl.h>
+#import <ifaddrs.h>
+#import <netdb.h>
+#import <netinet/in.h>
+#import <net/if.h>
+#import <sys/socket.h>
+#import <sys/types.h>
+#import <sys/ioctl.h>
+#import <sys/poll.h>
+#import <sys/uio.h>
+#import <unistd.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+// For more information see: https://github.com/robbiehanson/CocoaAsyncSocket/wiki/ARC
+#endif
+
+
+#ifndef GCDAsyncSocketLoggingEnabled
+#define GCDAsyncSocketLoggingEnabled 0
+#endif
+
+#if GCDAsyncSocketLoggingEnabled
+
+// Logging Enabled - See log level below
+
+// Logging uses the CocoaLumberjack framework (which is also GCD based).
+// https://github.com/robbiehanson/CocoaLumberjack
+// 
+// It allows us to do a lot of logging without significantly slowing down the code.
+#import "DDLog.h"
+
+#define LogAsync   YES
+#define LogContext GCDAsyncSocketLoggingContext
+
+#define LogObjc(flg, frmt, ...) LOG_OBJC_MAYBE(LogAsync, logLevel, flg, LogContext, frmt, ##__VA_ARGS__)
+#define LogC(flg, frmt, ...)    LOG_C_MAYBE(LogAsync, logLevel, flg, LogContext, frmt, ##__VA_ARGS__)
+
+#define LogError(frmt, ...)     LogObjc(LOG_FLAG_ERROR,   (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogWarn(frmt, ...)      LogObjc(LOG_FLAG_WARN,    (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogInfo(frmt, ...)      LogObjc(LOG_FLAG_INFO,    (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogVerbose(frmt, ...)   LogObjc(LOG_FLAG_VERBOSE, (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+
+#define LogCError(frmt, ...)    LogC(LOG_FLAG_ERROR,   (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogCWarn(frmt, ...)     LogC(LOG_FLAG_WARN,    (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogCInfo(frmt, ...)     LogC(LOG_FLAG_INFO,    (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+#define LogCVerbose(frmt, ...)  LogC(LOG_FLAG_VERBOSE, (@"%@: " frmt), THIS_FILE, ##__VA_ARGS__)
+
+#define LogTrace()              LogObjc(LOG_FLAG_VERBOSE, @"%@: %@", THIS_FILE, THIS_METHOD)
+#define LogCTrace()             LogC(LOG_FLAG_VERBOSE, @"%@: %s", THIS_FILE, __FUNCTION__)
+
+#ifndef GCDAsyncSocketLogLevel
+#define GCDAsyncSocketLogLevel LOG_LEVEL_VERBOSE
+#endif
+
+// Log levels : off, error, warn, info, verbose
+static const int logLevel = GCDAsyncSocketLogLevel;
+
+#else
+
+// Logging Disabled
+
+#define LogError(frmt, ...)     {}
+#define LogWarn(frmt, ...)      {}
+#define LogInfo(frmt, ...)      {}
+#define LogVerbose(frmt, ...)   {}
+
+#define LogCError(frmt, ...)    {}
+#define LogCWarn(frmt, ...)     {}
+#define LogCInfo(frmt, ...)     {}
+#define LogCVerbose(frmt, ...)  {}
+
+#define LogTrace()              {}
+#define LogCTrace(frmt, ...)    {}
+
+#endif
+
+/**
+ * Seeing a return statements within an inner block
+ * can sometimes be mistaken for a return point of the enclosing method.
+ * This makes inline blocks a bit easier to read.
+**/
+#define return_from_block  return
+
+/**
+ * A socket file descriptor is really just an integer.
+ * It represents the index of the socket within the kernel.
+ * This makes invalid file descriptor comparisons easier to read.
+**/
+#define SOCKET_NULL -1
+
+
+NSString *const GCDAsyncSocketException = @"GCDAsyncSocketException";
+NSString *const GCDAsyncSocketErrorDomain = @"GCDAsyncSocketErrorDomain";
+
+NSString *const GCDAsyncSocketQueueName = @"GCDAsyncSocket";
+NSString *const GCDAsyncSocketThreadName = @"GCDAsyncSocket-CFStream";
+
+NSString *const GCDAsyncSocketManuallyEvaluateTrust = @"GCDAsyncSocketManuallyEvaluateTrust";
+#if TARGET_OS_IPHONE
+NSString *const GCDAsyncSocketUseCFStreamForTLS = @"GCDAsyncSocketUseCFStreamForTLS";
+#endif
+NSString *const GCDAsyncSocketSSLPeerID = @"GCDAsyncSocketSSLPeerID";
+NSString *const GCDAsyncSocketSSLProtocolVersionMin = @"GCDAsyncSocketSSLProtocolVersionMin";
+NSString *const GCDAsyncSocketSSLProtocolVersionMax = @"GCDAsyncSocketSSLProtocolVersionMax";
+NSString *const GCDAsyncSocketSSLSessionOptionFalseStart = @"GCDAsyncSocketSSLSessionOptionFalseStart";
+NSString *const GCDAsyncSocketSSLSessionOptionSendOneByteRecord = @"GCDAsyncSocketSSLSessionOptionSendOneByteRecord";
+NSString *const GCDAsyncSocketSSLCipherSuites = @"GCDAsyncSocketSSLCipherSuites";
+#if !TARGET_OS_IPHONE
+NSString *const GCDAsyncSocketSSLDiffieHellmanParameters = @"GCDAsyncSocketSSLDiffieHellmanParameters";
+#endif
+
+enum GCDAsyncSocketFlags
+{
+	kSocketStarted                 = 1 <<  0,  // If set, socket has been started (accepting/connecting)
+	kConnected                     = 1 <<  1,  // If set, the socket is connected
+	kForbidReadsWrites             = 1 <<  2,  // If set, no new reads or writes are allowed
+	kReadsPaused                   = 1 <<  3,  // If set, reads are paused due to possible timeout
+	kWritesPaused                  = 1 <<  4,  // If set, writes are paused due to possible timeout
+	kDisconnectAfterReads          = 1 <<  5,  // If set, disconnect after no more reads are queued
+	kDisconnectAfterWrites         = 1 <<  6,  // If set, disconnect after no more writes are queued
+	kSocketCanAcceptBytes          = 1 <<  7,  // If set, we know socket can accept bytes. If unset, it's unknown.
+	kReadSourceSuspended           = 1 <<  8,  // If set, the read source is suspended
+	kWriteSourceSuspended          = 1 <<  9,  // If set, the write source is suspended
+	kQueuedTLS                     = 1 << 10,  // If set, we've queued an upgrade to TLS
+	kStartingReadTLS               = 1 << 11,  // If set, we're waiting for TLS negotiation to complete
+	kStartingWriteTLS              = 1 << 12,  // If set, we're waiting for TLS negotiation to complete
+	kSocketSecure                  = 1 << 13,  // If set, socket is using secure communication via SSL/TLS
+	kSocketHasReadEOF              = 1 << 14,  // If set, we have read EOF from socket
+	kReadStreamClosed              = 1 << 15,  // If set, we've read EOF plus prebuffer has been drained
+	kDealloc                       = 1 << 16,  // If set, the socket is being deallocated
+#if TARGET_OS_IPHONE
+	kAddedStreamsToRunLoop         = 1 << 17,  // If set, CFStreams have been added to listener thread
+	kUsingCFStreamForTLS           = 1 << 18,  // If set, we're forced to use CFStream instead of SecureTransport
+	kSecureSocketHasBytesAvailable = 1 << 19,  // If set, CFReadStream has notified us of bytes available
+#endif
+};
+
+enum GCDAsyncSocketConfig
+{
+	kIPv4Disabled              = 1 << 0,  // If set, IPv4 is disabled
+	kIPv6Disabled              = 1 << 1,  // If set, IPv6 is disabled
+	kPreferIPv6                = 1 << 2,  // If set, IPv6 is preferred over IPv4
+	kAllowHalfDuplexConnection = 1 << 3,  // If set, the socket will stay open even if the read stream closes
+};
+
+#if TARGET_OS_IPHONE
+  static NSThread *cfstreamThread;  // Used for CFStreams
+
+  static uint64_t cfstreamThreadRetainCount;   // setup & teardown
+  static dispatch_queue_t cfstreamThreadSetupQueue; // setup & teardown
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * A PreBuffer is used when there is more data available on the socket
+ * than is being requested by current read request.
+ * In this case we slurp up all data from the socket (to minimize sys calls),
+ * and store additional yet unread data in a "prebuffer".
+ * 
+ * The prebuffer is entirely drained before we read from the socket again.
+ * In other words, a large chunk of data is written is written to the prebuffer.
+ * The prebuffer is then drained via a series of one or more reads (for subsequent read request(s)).
+ * 
+ * A ring buffer was once used for this purpose.
+ * But a ring buffer takes up twice as much memory as needed (double the size for mirroring).
+ * In fact, it generally takes up more than twice the needed size as everything has to be rounded up to vm_page_size.
+ * And since the prebuffer is always completely drained after being written to, a full ring buffer isn't needed.
+ * 
+ * The current design is very simple and straight-forward, while also keeping memory requirements lower.
+**/
+
+@interface GCDAsyncSocketPreBuffer : NSObject
+{
+	uint8_t *preBuffer;
+	size_t preBufferSize;
+	
+	uint8_t *readPointer;
+	uint8_t *writePointer;
+}
+
+- (id)initWithCapacity:(size_t)numBytes;
+
+- (void)ensureCapacityForWrite:(size_t)numBytes;
+
+- (size_t)availableBytes;
+- (uint8_t *)readBuffer;
+
+- (void)getReadBuffer:(uint8_t **)bufferPtr availableBytes:(size_t *)availableBytesPtr;
+
+- (size_t)availableSpace;
+- (uint8_t *)writeBuffer;
+
+- (void)getWriteBuffer:(uint8_t **)bufferPtr availableSpace:(size_t *)availableSpacePtr;
+
+- (void)didRead:(size_t)bytesRead;
+- (void)didWrite:(size_t)bytesWritten;
+
+- (void)reset;
+
+@end
+
+@implementation GCDAsyncSocketPreBuffer
+
+- (id)initWithCapacity:(size_t)numBytes
+{
+	if ((self = [super init]))
+	{
+		preBufferSize = numBytes;
+		preBuffer = malloc(preBufferSize);
+		
+		readPointer = preBuffer;
+		writePointer = preBuffer;
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	if (preBuffer)
+		free(preBuffer);
+}
+
+- (void)ensureCapacityForWrite:(size_t)numBytes
+{
+	size_t availableSpace = [self availableSpace];
+	
+	if (numBytes > availableSpace)
+	{
+		size_t additionalBytes = numBytes - availableSpace;
+		
+		size_t newPreBufferSize = preBufferSize + additionalBytes;
+		uint8_t *newPreBuffer = realloc(preBuffer, newPreBufferSize);
+		
+		size_t readPointerOffset = readPointer - preBuffer;
+		size_t writePointerOffset = writePointer - preBuffer;
+		
+		preBuffer = newPreBuffer;
+		preBufferSize = newPreBufferSize;
+		
+		readPointer = preBuffer + readPointerOffset;
+		writePointer = preBuffer + writePointerOffset;
+	}
+}
+
+- (size_t)availableBytes
+{
+	return writePointer - readPointer;
+}
+
+- (uint8_t *)readBuffer
+{
+	return readPointer;
+}
+
+- (void)getReadBuffer:(uint8_t **)bufferPtr availableBytes:(size_t *)availableBytesPtr
+{
+	if (bufferPtr) *bufferPtr = readPointer;
+	if (availableBytesPtr) *availableBytesPtr = [self availableBytes];
+}
+
+- (void)didRead:(size_t)bytesRead
+{
+	readPointer += bytesRead;
+	
+	if (readPointer == writePointer)
+	{
+		// The prebuffer has been drained. Reset pointers.
+		readPointer  = preBuffer;
+		writePointer = preBuffer;
+	}
+}
+
+- (size_t)availableSpace
+{
+	return preBufferSize - (writePointer - preBuffer);
+}
+
+- (uint8_t *)writeBuffer
+{
+	return writePointer;
+}
+
+- (void)getWriteBuffer:(uint8_t **)bufferPtr availableSpace:(size_t *)availableSpacePtr
+{
+	if (bufferPtr) *bufferPtr = writePointer;
+	if (availableSpacePtr) *availableSpacePtr = [self availableSpace];
+}
+
+- (void)didWrite:(size_t)bytesWritten
+{
+	writePointer += bytesWritten;
+}
+
+- (void)reset
+{
+	readPointer  = preBuffer;
+	writePointer = preBuffer;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The GCDAsyncReadPacket encompasses the instructions for any given read.
+ * The content of a read packet allows the code to determine if we're:
+ *  - reading to a certain length
+ *  - reading to a certain separator
+ *  - or simply reading the first chunk of available data
+**/
+@interface GCDAsyncReadPacket : NSObject
+{
+  @public
+	NSMutableData *buffer;
+	NSUInteger startOffset;
+	NSUInteger bytesDone;
+	NSUInteger maxLength;
+	NSTimeInterval timeout;
+	NSUInteger readLength;
+	NSData *term;
+	BOOL bufferOwner;
+	NSUInteger originalBufferLength;
+	long tag;
+}
+- (id)initWithData:(NSMutableData *)d
+       startOffset:(NSUInteger)s
+         maxLength:(NSUInteger)m
+           timeout:(NSTimeInterval)t
+        readLength:(NSUInteger)l
+        terminator:(NSData *)e
+               tag:(long)i;
+
+- (void)ensureCapacityForAdditionalDataOfLength:(NSUInteger)bytesToRead;
+
+- (NSUInteger)optimalReadLengthWithDefault:(NSUInteger)defaultValue shouldPreBuffer:(BOOL *)shouldPreBufferPtr;
+
+- (NSUInteger)readLengthForNonTermWithHint:(NSUInteger)bytesAvailable;
+- (NSUInteger)readLengthForTermWithHint:(NSUInteger)bytesAvailable shouldPreBuffer:(BOOL *)shouldPreBufferPtr;
+- (NSUInteger)readLengthForTermWithPreBuffer:(GCDAsyncSocketPreBuffer *)preBuffer found:(BOOL *)foundPtr;
+
+- (NSInteger)searchForTermAfterPreBuffering:(ssize_t)numBytes;
+
+@end
+
+@implementation GCDAsyncReadPacket
+
+- (id)initWithData:(NSMutableData *)d
+       startOffset:(NSUInteger)s
+         maxLength:(NSUInteger)m
+           timeout:(NSTimeInterval)t
+        readLength:(NSUInteger)l
+        terminator:(NSData *)e
+               tag:(long)i
+{
+	if((self = [super init]))
+	{
+		bytesDone = 0;
+		maxLength = m;
+		timeout = t;
+		readLength = l;
+		term = [e copy];
+		tag = i;
+		
+		if (d)
+		{
+			buffer = d;
+			startOffset = s;
+			bufferOwner = NO;
+			originalBufferLength = [d length];
+		}
+		else
+		{
+			if (readLength > 0)
+				buffer = [[NSMutableData alloc] initWithLength:readLength];
+			else
+				buffer = [[NSMutableData alloc] initWithLength:0];
+			
+			startOffset = 0;
+			bufferOwner = YES;
+			originalBufferLength = 0;
+		}
+	}
+	return self;
+}
+
+/**
+ * Increases the length of the buffer (if needed) to ensure a read of the given size will fit.
+**/
+- (void)ensureCapacityForAdditionalDataOfLength:(NSUInteger)bytesToRead
+{
+	NSUInteger buffSize = [buffer length];
+	NSUInteger buffUsed = startOffset + bytesDone;
+	
+	NSUInteger buffSpace = buffSize - buffUsed;
+	
+	if (bytesToRead > buffSpace)
+	{
+		NSUInteger buffInc = bytesToRead - buffSpace;
+		
+		[buffer increaseLengthBy:buffInc];
+	}
+}
+
+/**
+ * This method is used when we do NOT know how much data is available to be read from the socket.
+ * This method returns the default value unless it exceeds the specified readLength or maxLength.
+ * 
+ * Furthermore, the shouldPreBuffer decision is based upon the packet type,
+ * and whether the returned value would fit in the current buffer without requiring a resize of the buffer.
+**/
+- (NSUInteger)optimalReadLengthWithDefault:(NSUInteger)defaultValue shouldPreBuffer:(BOOL *)shouldPreBufferPtr
+{
+	NSUInteger result;
+	
+	if (readLength > 0)
+	{
+		// Read a specific length of data
+		
+		result = MIN(defaultValue, (readLength - bytesDone));
+		
+		// There is no need to prebuffer since we know exactly how much data we need to read.
+		// Even if the buffer isn't currently big enough to fit this amount of data,
+		// it would have to be resized eventually anyway.
+		
+		if (shouldPreBufferPtr)
+			*shouldPreBufferPtr = NO;
+	}
+	else
+	{
+		// Either reading until we find a specified terminator,
+		// or we're simply reading all available data.
+		// 
+		// In other words, one of:
+		// 
+		// - readDataToData packet
+		// - readDataWithTimeout packet
+		
+		if (maxLength > 0)
+			result =  MIN(defaultValue, (maxLength - bytesDone));
+		else
+			result = defaultValue;
+		
+		// Since we don't know the size of the read in advance,
+		// the shouldPreBuffer decision is based upon whether the returned value would fit
+		// in the current buffer without requiring a resize of the buffer.
+		// 
+		// This is because, in all likelyhood, the amount read from the socket will be less than the default value.
+		// Thus we should avoid over-allocating the read buffer when we can simply use the pre-buffer instead.
+		
+		if (shouldPreBufferPtr)
+		{
+			NSUInteger buffSize = [buffer length];
+			NSUInteger buffUsed = startOffset + bytesDone;
+			
+			NSUInteger buffSpace = buffSize - buffUsed;
+			
+			if (buffSpace >= result)
+				*shouldPreBufferPtr = NO;
+			else
+				*shouldPreBufferPtr = YES;
+		}
+	}
+	
+	return result;
+}
+
+/**
+ * For read packets without a set terminator, returns the amount of data
+ * that can be read without exceeding the readLength or maxLength.
+ * 
+ * The given parameter indicates the number of bytes estimated to be available on the socket,
+ * which is taken into consideration during the calculation.
+ * 
+ * The given hint MUST be greater than zero.
+**/
+- (NSUInteger)readLengthForNonTermWithHint:(NSUInteger)bytesAvailable
+{
+	NSAssert(term == nil, @"This method does not apply to term reads");
+	NSAssert(bytesAvailable > 0, @"Invalid parameter: bytesAvailable");
+	
+	if (readLength > 0)
+	{
+		// Read a specific length of data
+		
+		return MIN(bytesAvailable, (readLength - bytesDone));
+		
+		// No need to avoid resizing the buffer.
+		// If the user provided their own buffer,
+		// and told us to read a certain length of data that exceeds the size of the buffer,
+		// then it is clear that our code will resize the buffer during the read operation.
+		// 
+		// This method does not actually do any resizing.
+		// The resizing will happen elsewhere if needed.
+	}
+	else
+	{
+		// Read all available data
+		
+		NSUInteger result = bytesAvailable;
+		
+		if (maxLength > 0)
+		{
+			result = MIN(result, (maxLength - bytesDone));
+		}
+		
+		// No need to avoid resizing the buffer.
+		// If the user provided their own buffer,
+		// and told us to read all available data without giving us a maxLength,
+		// then it is clear that our code might resize the buffer during the read operation.
+		// 
+		// This method does not actually do any resizing.
+		// The resizing will happen elsewhere if needed.
+		
+		return result;
+	}
+}
+
+/**
+ * For read packets with a set terminator, returns the amount of data
+ * that can be read without exceeding the maxLength.
+ * 
+ * The given parameter indicates the number of bytes estimated to be available on the socket,
+ * which is taken into consideration during the calculation.
+ * 
+ * To optimize memory allocations, mem copies, and mem moves
+ * the shouldPreBuffer boolean value will indicate if the data should be read into a prebuffer first,
+ * or if the data can be read directly into the read packet's buffer.
+**/
+- (NSUInteger)readLengthForTermWithHint:(NSUInteger)bytesAvailable shouldPreBuffer:(BOOL *)shouldPreBufferPtr
+{
+	NSAssert(term != nil, @"This method does not apply to non-term reads");
+	NSAssert(bytesAvailable > 0, @"Invalid parameter: bytesAvailable");
+	
+	
+	NSUInteger result = bytesAvailable;
+	
+	if (maxLength > 0)
+	{
+		result = MIN(result, (maxLength - bytesDone));
+	}
+	
+	// Should the data be read into the read packet's buffer, or into a pre-buffer first?
+	// 
+	// One would imagine the preferred option is the faster one.
+	// So which one is faster?
+	// 
+	// Reading directly into the packet's buffer requires:
+	// 1. Possibly resizing packet buffer (malloc/realloc)
+	// 2. Filling buffer (read)
+	// 3. Searching for term (memcmp)
+	// 4. Possibly copying overflow into prebuffer (malloc/realloc, memcpy)
+	// 
+	// Reading into prebuffer first:
+	// 1. Possibly resizing prebuffer (malloc/realloc)
+	// 2. Filling buffer (read)
+	// 3. Searching for term (memcmp)
+	// 4. Copying underflow into packet buffer (malloc/realloc, memcpy)
+	// 5. Removing underflow from prebuffer (memmove)
+	// 
+	// Comparing the performance of the two we can see that reading
+	// data into the prebuffer first is slower due to the extra memove.
+	// 
+	// However:
+	// The implementation of NSMutableData is open source via core foundation's CFMutableData.
+	// Decreasing the length of a mutable data object doesn't cause a realloc.
+	// In other words, the capacity of a mutable data object can grow, but doesn't shrink.
+	// 
+	// This means the prebuffer will rarely need a realloc.
+	// The packet buffer, on the other hand, may often need a realloc.
+	// This is especially true if we are the buffer owner.
+	// Furthermore, if we are constantly realloc'ing the packet buffer,
+	// and then moving the overflow into the prebuffer,
+	// then we're consistently over-allocating memory for each term read.
+	// And now we get into a bit of a tradeoff between speed and memory utilization.
+	// 
+	// The end result is that the two perform very similarly.
+	// And we can answer the original question very simply by another means.
+	// 
+	// If we can read all the data directly into the packet's buffer without resizing it first,
+	// then we do so. Otherwise we use the prebuffer.
+	
+	if (shouldPreBufferPtr)
+	{
+		NSUInteger buffSize = [buffer length];
+		NSUInteger buffUsed = startOffset + bytesDone;
+		
+		if ((buffSize - buffUsed) >= result)
+			*shouldPreBufferPtr = NO;
+		else
+			*shouldPreBufferPtr = YES;
+	}
+	
+	return result;
+}
+
+/**
+ * For read packets with a set terminator,
+ * returns the amount of data that can be read from the given preBuffer,
+ * without going over a terminator or the maxLength.
+ * 
+ * It is assumed the terminator has not already been read.
+**/
+- (NSUInteger)readLengthForTermWithPreBuffer:(GCDAsyncSocketPreBuffer *)preBuffer found:(BOOL *)foundPtr
+{
+	NSAssert(term != nil, @"This method does not apply to non-term reads");
+	NSAssert([preBuffer availableBytes] > 0, @"Invoked with empty pre buffer!");
+	
+	// We know that the terminator, as a whole, doesn't exist in our own buffer.
+	// But it is possible that a _portion_ of it exists in our buffer.
+	// So we're going to look for the terminator starting with a portion of our own buffer.
+	// 
+	// Example:
+	// 
+	// term length      = 3 bytes
+	// bytesDone        = 5 bytes
+	// preBuffer length = 5 bytes
+	// 
+	// If we append the preBuffer to our buffer,
+	// it would look like this:
+	// 
+	// ---------------------
+	// |B|B|B|B|B|P|P|P|P|P|
+	// ---------------------
+	// 
+	// So we start our search here:
+	// 
+	// ---------------------
+	// |B|B|B|B|B|P|P|P|P|P|
+	// -------^-^-^---------
+	// 
+	// And move forwards...
+	// 
+	// ---------------------
+	// |B|B|B|B|B|P|P|P|P|P|
+	// ---------^-^-^-------
+	// 
+	// Until we find the terminator or reach the end.
+	// 
+	// ---------------------
+	// |B|B|B|B|B|P|P|P|P|P|
+	// ---------------^-^-^-
+	
+	BOOL found = NO;
+	
+	NSUInteger termLength = [term length];
+	NSUInteger preBufferLength = [preBuffer availableBytes];
+	
+	if ((bytesDone + preBufferLength) < termLength)
+	{
+		// Not enough data for a full term sequence yet
+		return preBufferLength;
+	}
+	
+	NSUInteger maxPreBufferLength;
+	if (maxLength > 0) {
+		maxPreBufferLength = MIN(preBufferLength, (maxLength - bytesDone));
+		
+		// Note: maxLength >= termLength
+	}
+	else {
+		maxPreBufferLength = preBufferLength;
+	}
+	
+	uint8_t seq[termLength];
+	const void *termBuf = [term bytes];
+	
+	NSUInteger bufLen = MIN(bytesDone, (termLength - 1));
+	uint8_t *buf = (uint8_t *)[buffer mutableBytes] + startOffset + bytesDone - bufLen;
+	
+	NSUInteger preLen = termLength - bufLen;
+	const uint8_t *pre = [preBuffer readBuffer];
+	
+	NSUInteger loopCount = bufLen + maxPreBufferLength - termLength + 1; // Plus one. See example above.
+	
+	NSUInteger result = maxPreBufferLength;
+	
+	NSUInteger i;
+	for (i = 0; i < loopCount; i++)
+	{
+		if (bufLen > 0)
+		{
+			// Combining bytes from buffer and preBuffer
+			
+			memcpy(seq, buf, bufLen);
+			memcpy(seq + bufLen, pre, preLen);
+			
+			if (memcmp(seq, termBuf, termLength) == 0)
+			{
+				result = preLen;
+				found = YES;
+				break;
+			}
+			
+			buf++;
+			bufLen--;
+			preLen++;
+		}
+		else
+		{
+			// Comparing directly from preBuffer
+			
+			if (memcmp(pre, termBuf, termLength) == 0)
+			{
+				NSUInteger preOffset = pre - [preBuffer readBuffer]; // pointer arithmetic
+				
+				result = preOffset + termLength;
+				found = YES;
+				break;
+			}
+			
+			pre++;
+		}
+	}
+	
+	// There is no need to avoid resizing the buffer in this particular situation.
+	
+	if (foundPtr) *foundPtr = found;
+	return result;
+}
+
+/**
+ * For read packets with a set terminator, scans the packet buffer for the term.
+ * It is assumed the terminator had not been fully read prior to the new bytes.
+ * 
+ * If the term is found, the number of excess bytes after the term are returned.
+ * If the term is not found, this method will return -1.
+ * 
+ * Note: A return value of zero means the term was found at the very end.
+ * 
+ * Prerequisites:
+ * The given number of bytes have been added to the end of our buffer.
+ * Our bytesDone variable has NOT been changed due to the prebuffered bytes.
+**/
+- (NSInteger)searchForTermAfterPreBuffering:(ssize_t)numBytes
+{
+	NSAssert(term != nil, @"This method does not apply to non-term reads");
+	
+	// The implementation of this method is very similar to the above method.
+	// See the above method for a discussion of the algorithm used here.
+	
+	uint8_t *buff = [buffer mutableBytes];
+	NSUInteger buffLength = bytesDone + numBytes;
+	
+	const void *termBuff = [term bytes];
+	NSUInteger termLength = [term length];
+	
+	// Note: We are dealing with unsigned integers,
+	// so make sure the math doesn't go below zero.
+	
+	NSUInteger i = ((buffLength - numBytes) >= termLength) ? (buffLength - numBytes - termLength + 1) : 0;
+	
+	while (i + termLength <= buffLength)
+	{
+		uint8_t *subBuffer = buff + startOffset + i;
+		
+		if (memcmp(subBuffer, termBuff, termLength) == 0)
+		{
+			return buffLength - (i + termLength);
+		}
+		
+		i++;
+	}
+	
+	return -1;
+}
+
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The GCDAsyncWritePacket encompasses the instructions for any given write.
+**/
+@interface GCDAsyncWritePacket : NSObject
+{
+  @public
+	NSData *buffer;
+	NSUInteger bytesDone;
+	long tag;
+	NSTimeInterval timeout;
+}
+- (id)initWithData:(NSData *)d timeout:(NSTimeInterval)t tag:(long)i;
+@end
+
+@implementation GCDAsyncWritePacket
+
+- (id)initWithData:(NSData *)d timeout:(NSTimeInterval)t tag:(long)i
+{
+	if((self = [super init]))
+	{
+		buffer = d; // Retain not copy. For performance as documented in header file.
+		bytesDone = 0;
+		timeout = t;
+		tag = i;
+	}
+	return self;
+}
+
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The GCDAsyncSpecialPacket encompasses special instructions for interruptions in the read/write queues.
+ * This class my be altered to support more than just TLS in the future.
+**/
+@interface GCDAsyncSpecialPacket : NSObject
+{
+  @public
+	NSDictionary *tlsSettings;
+}
+- (id)initWithTLSSettings:(NSDictionary *)settings;
+@end
+
+@implementation GCDAsyncSpecialPacket
+
+- (id)initWithTLSSettings:(NSDictionary *)settings
+{
+	if((self = [super init]))
+	{
+		tlsSettings = [settings copy];
+	}
+	return self;
+}
+
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation GCDAsyncSocket
+{
+	uint32_t flags;
+	uint16_t config;
+	
+	__weak id delegate;
+	dispatch_queue_t delegateQueue;
+	
+	int socket4FD;
+	int socket6FD;
+	int stateIndex;
+	NSData * connectInterface4;
+	NSData * connectInterface6;
+	
+	dispatch_queue_t socketQueue;
+	
+	dispatch_source_t accept4Source;
+	dispatch_source_t accept6Source;
+	dispatch_source_t connectTimer;
+	dispatch_source_t readSource;
+	dispatch_source_t writeSource;
+	dispatch_source_t readTimer;
+	dispatch_source_t writeTimer;
+	
+	NSMutableArray *readQueue;
+	NSMutableArray *writeQueue;
+	
+	GCDAsyncReadPacket *currentRead;
+	GCDAsyncWritePacket *currentWrite;
+	
+	unsigned long socketFDBytesAvailable;
+	
+	GCDAsyncSocketPreBuffer *preBuffer;
+		
+#if TARGET_OS_IPHONE
+	CFStreamClientContext streamContext;
+	CFReadStreamRef readStream;
+	CFWriteStreamRef writeStream;
+#endif
+	SSLContextRef sslContext;
+	GCDAsyncSocketPreBuffer *sslPreBuffer;
+	size_t sslWriteCachedLength;
+	OSStatus sslErrCode;
+	
+	void *IsOnSocketQueueOrTargetQueueKey;
+	
+	id userData;
+}
+
+- (id)init
+{
+	return [self initWithDelegate:nil delegateQueue:NULL socketQueue:NULL];
+}
+
+- (id)initWithSocketQueue:(dispatch_queue_t)sq
+{
+	return [self initWithDelegate:nil delegateQueue:NULL socketQueue:sq];
+}
+
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq
+{
+	return [self initWithDelegate:aDelegate delegateQueue:dq socketQueue:NULL];
+}
+
+- (id)initWithDelegate:(id)aDelegate delegateQueue:(dispatch_queue_t)dq socketQueue:(dispatch_queue_t)sq
+{
+	if((self = [super init]))
+	{
+		delegate = aDelegate;
+		delegateQueue = dq;
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (dq) dispatch_retain(dq);
+		#endif
+		
+		socket4FD = SOCKET_NULL;
+		socket6FD = SOCKET_NULL;
+		stateIndex = 0;
+		
+		if (sq)
+		{
+			NSAssert(sq != dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0),
+			         @"The given socketQueue parameter must not be a concurrent queue.");
+			NSAssert(sq != dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0),
+			         @"The given socketQueue parameter must not be a concurrent queue.");
+			NSAssert(sq != dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0),
+			         @"The given socketQueue parameter must not be a concurrent queue.");
+			
+			socketQueue = sq;
+			#if !OS_OBJECT_USE_OBJC
+			dispatch_retain(sq);
+			#endif
+		}
+		else
+		{
+			socketQueue = dispatch_queue_create([GCDAsyncSocketQueueName UTF8String], NULL);
+		}
+		
+		// The dispatch_queue_set_specific() and dispatch_get_specific() functions take a "void *key" parameter.
+		// From the documentation:
+		//
+		// > Keys are only compared as pointers and are never dereferenced.
+		// > Thus, you can use a pointer to a static variable for a specific subsystem or
+		// > any other value that allows you to identify the value uniquely.
+		//
+		// We're just going to use the memory address of an ivar.
+		// Specifically an ivar that is explicitly named for our purpose to make the code more readable.
+		//
+		// However, it feels tedious (and less readable) to include the "&" all the time:
+		// dispatch_get_specific(&IsOnSocketQueueOrTargetQueueKey)
+		//
+		// So we're going to make it so it doesn't matter if we use the '&' or not,
+		// by assigning the value of the ivar to the address of the ivar.
+		// Thus: IsOnSocketQueueOrTargetQueueKey == &IsOnSocketQueueOrTargetQueueKey;
+		
+		IsOnSocketQueueOrTargetQueueKey = &IsOnSocketQueueOrTargetQueueKey;
+		
+		void *nonNullUnusedPointer = (__bridge void *)self;
+		dispatch_queue_set_specific(socketQueue, IsOnSocketQueueOrTargetQueueKey, nonNullUnusedPointer, NULL);
+		
+		readQueue = [[NSMutableArray alloc] initWithCapacity:5];
+		currentRead = nil;
+		
+		writeQueue = [[NSMutableArray alloc] initWithCapacity:5];
+		currentWrite = nil;
+		
+		preBuffer = [[GCDAsyncSocketPreBuffer alloc] initWithCapacity:(1024 * 4)];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	LogInfo(@"%@ - %@ (start)", THIS_METHOD, self);
+	
+	// Set dealloc flag.
+	// This is used by closeWithError to ensure we don't accidentally retain ourself.
+	flags |= kDealloc;
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		[self closeWithError:nil];
+	}
+	else
+	{
+		dispatch_sync(socketQueue, ^{
+			[self closeWithError:nil];
+		});
+	}
+	
+	delegate = nil;
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (delegateQueue) dispatch_release(delegateQueue);
+	#endif
+	delegateQueue = NULL;
+	
+	#if !OS_OBJECT_USE_OBJC
+	if (socketQueue) dispatch_release(socketQueue);
+	#endif
+	socketQueue = NULL;
+	
+	LogInfo(@"%@ - %@ (finish)", THIS_METHOD, self);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)delegate
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return delegate;
+	}
+	else
+	{
+		__block id result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = delegate;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setDelegate:(id)newDelegate synchronously:(BOOL)synchronously
+{
+	dispatch_block_t block = ^{
+		delegate = newDelegate;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey)) {
+		block();
+	}
+	else {
+		if (synchronously)
+			dispatch_sync(socketQueue, block);
+		else
+			dispatch_async(socketQueue, block);
+	}
+}
+
+- (void)setDelegate:(id)newDelegate
+{
+	[self setDelegate:newDelegate synchronously:NO];
+}
+
+- (void)synchronouslySetDelegate:(id)newDelegate
+{
+	[self setDelegate:newDelegate synchronously:YES];
+}
+
+- (dispatch_queue_t)delegateQueue
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return delegateQueue;
+	}
+	else
+	{
+		__block dispatch_queue_t result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = delegateQueue;
+		});
+		
+		return result;
+	}
+}
+
+- (void)setDelegateQueue:(dispatch_queue_t)newDelegateQueue synchronously:(BOOL)synchronously
+{
+	dispatch_block_t block = ^{
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (delegateQueue) dispatch_release(delegateQueue);
+		if (newDelegateQueue) dispatch_retain(newDelegateQueue);
+		#endif
+		
+		delegateQueue = newDelegateQueue;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey)) {
+		block();
+	}
+	else {
+		if (synchronously)
+			dispatch_sync(socketQueue, block);
+		else
+			dispatch_async(socketQueue, block);
+	}
+}
+
+- (void)setDelegateQueue:(dispatch_queue_t)newDelegateQueue
+{
+	[self setDelegateQueue:newDelegateQueue synchronously:NO];
+}
+
+- (void)synchronouslySetDelegateQueue:(dispatch_queue_t)newDelegateQueue
+{
+	[self setDelegateQueue:newDelegateQueue synchronously:YES];
+}
+
+- (void)getDelegate:(id *)delegatePtr delegateQueue:(dispatch_queue_t *)delegateQueuePtr
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		if (delegatePtr) *delegatePtr = delegate;
+		if (delegateQueuePtr) *delegateQueuePtr = delegateQueue;
+	}
+	else
+	{
+		__block id dPtr = NULL;
+		__block dispatch_queue_t dqPtr = NULL;
+		
+		dispatch_sync(socketQueue, ^{
+			dPtr = delegate;
+			dqPtr = delegateQueue;
+		});
+		
+		if (delegatePtr) *delegatePtr = dPtr;
+		if (delegateQueuePtr) *delegateQueuePtr = dqPtr;
+	}
+}
+
+- (void)setDelegate:(id)newDelegate delegateQueue:(dispatch_queue_t)newDelegateQueue synchronously:(BOOL)synchronously
+{
+	dispatch_block_t block = ^{
+		
+		delegate = newDelegate;
+		
+		#if !OS_OBJECT_USE_OBJC
+		if (delegateQueue) dispatch_release(delegateQueue);
+		if (newDelegateQueue) dispatch_retain(newDelegateQueue);
+		#endif
+		
+		delegateQueue = newDelegateQueue;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey)) {
+		block();
+	}
+	else {
+		if (synchronously)
+			dispatch_sync(socketQueue, block);
+		else
+			dispatch_async(socketQueue, block);
+	}
+}
+
+- (void)setDelegate:(id)newDelegate delegateQueue:(dispatch_queue_t)newDelegateQueue
+{
+	[self setDelegate:newDelegate delegateQueue:newDelegateQueue synchronously:NO];
+}
+
+- (void)synchronouslySetDelegate:(id)newDelegate delegateQueue:(dispatch_queue_t)newDelegateQueue
+{
+	[self setDelegate:newDelegate delegateQueue:newDelegateQueue synchronously:YES];
+}
+
+- (BOOL)isIPv4Enabled
+{
+	// Note: YES means kIPv4Disabled is OFF
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return ((config & kIPv4Disabled) == 0);
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = ((config & kIPv4Disabled) == 0);
+		});
+		
+		return result;
+	}
+}
+
+- (void)setIPv4Enabled:(BOOL)flag
+{
+	// Note: YES means kIPv4Disabled is OFF
+	
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config &= ~kIPv4Disabled;
+		else
+			config |= kIPv4Disabled;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_async(socketQueue, block);
+}
+
+- (BOOL)isIPv6Enabled
+{
+	// Note: YES means kIPv6Disabled is OFF
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return ((config & kIPv6Disabled) == 0);
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = ((config & kIPv6Disabled) == 0);
+		});
+		
+		return result;
+	}
+}
+
+- (void)setIPv6Enabled:(BOOL)flag
+{
+	// Note: YES means kIPv6Disabled is OFF
+	
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config &= ~kIPv6Disabled;
+		else
+			config |= kIPv6Disabled;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_async(socketQueue, block);
+}
+
+- (BOOL)isIPv4PreferredOverIPv6
+{
+	// Note: YES means kPreferIPv6 is OFF
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return ((config & kPreferIPv6) == 0);
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = ((config & kPreferIPv6) == 0);
+		});
+		
+		return result;
+	}
+}
+
+- (void)setIPv4PreferredOverIPv6:(BOOL)flag
+{
+	// Note: YES means kPreferIPv6 is OFF
+	
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config &= ~kPreferIPv6;
+		else
+			config |= kPreferIPv6;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_async(socketQueue, block);
+}
+
+- (id)userData
+{
+	__block id result = nil;
+	
+	dispatch_block_t block = ^{
+		
+		result = userData;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+- (void)setUserData:(id)arbitraryUserData
+{
+	dispatch_block_t block = ^{
+		
+		if (userData != arbitraryUserData)
+		{
+			userData = arbitraryUserData;
+		}
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_async(socketQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Accepting
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)acceptOnPort:(uint16_t)port error:(NSError **)errPtr
+{
+	return [self acceptOnInterface:nil port:port error:errPtr];
+}
+
+- (BOOL)acceptOnInterface:(NSString *)inInterface port:(uint16_t)port error:(NSError **)errPtr
+{
+	LogTrace();
+	
+	// Just in-case interface parameter is immutable.
+	NSString *interface = [inInterface copy];
+	
+	__block BOOL result = NO;
+	__block NSError *err = nil;
+	
+	// CreateSocket Block
+	// This block will be invoked within the dispatch block below.
+	
+	int(^createSocket)(int, NSData*) = ^int (int domain, NSData *interfaceAddr) {
+		
+		int socketFD = socket(domain, SOCK_STREAM, 0);
+		
+		if (socketFD == SOCKET_NULL)
+		{
+			NSString *reason = @"Error in socket() function";
+			err = [self errnoErrorWithReason:reason];
+			
+			return SOCKET_NULL;
+		}
+		
+		int status;
+		
+		// Set socket options
+		
+		status = fcntl(socketFD, F_SETFL, O_NONBLOCK);
+		if (status == -1)
+		{
+			NSString *reason = @"Error enabling non-blocking IO on socket (fcntl)";
+			err = [self errnoErrorWithReason:reason];
+			
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+			return SOCKET_NULL;
+		}
+		
+		int reuseOn = 1;
+		status = setsockopt(socketFD, SOL_SOCKET, SO_REUSEADDR, &reuseOn, sizeof(reuseOn));
+		if (status == -1)
+		{
+			NSString *reason = @"Error enabling address reuse (setsockopt)";
+			err = [self errnoErrorWithReason:reason];
+			
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+			return SOCKET_NULL;
+		}
+		
+		// Bind socket
+		
+		status = bind(socketFD, (const struct sockaddr *)[interfaceAddr bytes], (socklen_t)[interfaceAddr length]);
+		if (status == -1)
+		{
+			NSString *reason = @"Error in bind() function";
+			err = [self errnoErrorWithReason:reason];
+			
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+			return SOCKET_NULL;
+		}
+		
+		// Listen
+		
+		status = listen(socketFD, 1024);
+		if (status == -1)
+		{
+			NSString *reason = @"Error in listen() function";
+			err = [self errnoErrorWithReason:reason];
+			
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+			return SOCKET_NULL;
+		}
+		
+		return socketFD;
+	};
+	
+	// Create dispatch block and run on socketQueue
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (delegate == nil) // Must have delegate set
+		{
+			NSString *msg = @"Attempting to accept without a delegate. Set a delegate first.";
+			err = [self badConfigError:msg];
+			
+			return_from_block;
+		}
+		
+		if (delegateQueue == NULL) // Must have delegate queue set
+		{
+			NSString *msg = @"Attempting to accept without a delegate queue. Set a delegate queue first.";
+			err = [self badConfigError:msg];
+			
+			return_from_block;
+		}
+		
+		BOOL isIPv4Disabled = (config & kIPv4Disabled) ? YES : NO;
+		BOOL isIPv6Disabled = (config & kIPv6Disabled) ? YES : NO;
+		
+		if (isIPv4Disabled && isIPv6Disabled) // Must have IPv4 or IPv6 enabled
+		{
+			NSString *msg = @"Both IPv4 and IPv6 have been disabled. Must enable at least one protocol first.";
+			err = [self badConfigError:msg];
+			
+			return_from_block;
+		}
+		
+		if (![self isDisconnected]) // Must be disconnected
+		{
+			NSString *msg = @"Attempting to accept while connected or accepting connections. Disconnect first.";
+			err = [self badConfigError:msg];
+			
+			return_from_block;
+		}
+		
+		// Clear queues (spurious read/write requests post disconnect)
+		[readQueue removeAllObjects];
+		[writeQueue removeAllObjects];
+		
+		// Resolve interface from description
+		
+		NSMutableData *interface4 = nil;
+		NSMutableData *interface6 = nil;
+		
+		[self getInterfaceAddress4:&interface4 address6:&interface6 fromDescription:interface port:port];
+		
+		if ((interface4 == nil) && (interface6 == nil))
+		{
+			NSString *msg = @"Unknown interface. Specify valid interface by name (e.g. \"en1\") or IP address.";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		if (isIPv4Disabled && (interface6 == nil))
+		{
+			NSString *msg = @"IPv4 has been disabled and specified interface doesn't support IPv6.";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		if (isIPv6Disabled && (interface4 == nil))
+		{
+			NSString *msg = @"IPv6 has been disabled and specified interface doesn't support IPv4.";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		BOOL enableIPv4 = !isIPv4Disabled && (interface4 != nil);
+		BOOL enableIPv6 = !isIPv6Disabled && (interface6 != nil);
+		
+		// Create sockets, configure, bind, and listen
+		
+		if (enableIPv4)
+		{
+			LogVerbose(@"Creating IPv4 socket");
+			socket4FD = createSocket(AF_INET, interface4);
+			
+			if (socket4FD == SOCKET_NULL)
+			{
+				return_from_block;
+			}
+		}
+		
+		if (enableIPv6)
+		{
+			LogVerbose(@"Creating IPv6 socket");
+			
+			if (enableIPv4 && (port == 0))
+			{
+				// No specific port was specified, so we allowed the OS to pick an available port for us.
+				// Now we need to make sure the IPv6 socket listens on the same port as the IPv4 socket.
+				
+				struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)[interface6 mutableBytes];
+				addr6->sin6_port = htons([self localPort4]);
+			}
+			
+			socket6FD = createSocket(AF_INET6, interface6);
+			
+			if (socket6FD == SOCKET_NULL)
+			{
+				if (socket4FD != SOCKET_NULL)
+				{
+					LogVerbose(@"close(socket4FD)");
+					close(socket4FD);
+				}
+				
+				return_from_block;
+			}
+		}
+		
+		// Create accept sources
+		
+		if (enableIPv4)
+		{
+			accept4Source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, socket4FD, 0, socketQueue);
+			
+			int socketFD = socket4FD;
+			dispatch_source_t acceptSource = accept4Source;
+			
+			__weak GCDAsyncSocket *weakSelf = self;
+			
+			dispatch_source_set_event_handler(accept4Source, ^{ @autoreleasepool {
+			#pragma clang diagnostic push
+			#pragma clang diagnostic warning "-Wimplicit-retain-self"
+				
+				__strong GCDAsyncSocket *strongSelf = weakSelf;
+				if (strongSelf == nil) return_from_block;
+				
+				LogVerbose(@"event4Block");
+				
+				unsigned long i = 0;
+				unsigned long numPendingConnections = dispatch_source_get_data(acceptSource);
+				
+				LogVerbose(@"numPendingConnections: %lu", numPendingConnections);
+				
+				while ([strongSelf doAccept:socketFD] && (++i < numPendingConnections));
+				
+			#pragma clang diagnostic pop
+			}});
+			
+			
+			dispatch_source_set_cancel_handler(accept4Source, ^{
+			#pragma clang diagnostic push
+			#pragma clang diagnostic warning "-Wimplicit-retain-self"
+				
+				#if !OS_OBJECT_USE_OBJC
+				LogVerbose(@"dispatch_release(accept4Source)");
+				dispatch_release(acceptSource);
+				#endif
+				
+				LogVerbose(@"close(socket4FD)");
+				close(socketFD);
+			
+			#pragma clang diagnostic pop
+			});
+			
+			LogVerbose(@"dispatch_resume(accept4Source)");
+			dispatch_resume(accept4Source);
+		}
+		
+		if (enableIPv6)
+		{
+			accept6Source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, socket6FD, 0, socketQueue);
+			
+			int socketFD = socket6FD;
+			dispatch_source_t acceptSource = accept6Source;
+			
+			__weak GCDAsyncSocket *weakSelf = self;
+			
+			dispatch_source_set_event_handler(accept6Source, ^{ @autoreleasepool {
+			#pragma clang diagnostic push
+			#pragma clang diagnostic warning "-Wimplicit-retain-self"
+				
+				__strong GCDAsyncSocket *strongSelf = weakSelf;
+				if (strongSelf == nil) return_from_block;
+				
+				LogVerbose(@"event6Block");
+				
+				unsigned long i = 0;
+				unsigned long numPendingConnections = dispatch_source_get_data(acceptSource);
+				
+				LogVerbose(@"numPendingConnections: %lu", numPendingConnections);
+				
+				while ([strongSelf doAccept:socketFD] && (++i < numPendingConnections));
+				
+			#pragma clang diagnostic pop
+			}});
+			
+			dispatch_source_set_cancel_handler(accept6Source, ^{
+			#pragma clang diagnostic push
+			#pragma clang diagnostic warning "-Wimplicit-retain-self"
+				
+				#if !OS_OBJECT_USE_OBJC
+				LogVerbose(@"dispatch_release(accept6Source)");
+				dispatch_release(acceptSource);
+				#endif
+				
+				LogVerbose(@"close(socket6FD)");
+				close(socketFD);
+				
+			#pragma clang diagnostic pop
+			});
+			
+			LogVerbose(@"dispatch_resume(accept6Source)");
+			dispatch_resume(accept6Source);
+		}
+		
+		flags |= kSocketStarted;
+		
+		result = YES;
+	}};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	if (result == NO)
+	{
+		LogInfo(@"Error in accept: %@", err);
+		
+		if (errPtr)
+			*errPtr = err;
+	}
+	
+	return result;
+}
+
+- (BOOL)doAccept:(int)parentSocketFD
+{
+	LogTrace();
+	
+	BOOL isIPv4;
+	int childSocketFD;
+	NSData *childSocketAddress;
+	
+	if (parentSocketFD == socket4FD)
+	{
+		isIPv4 = YES;
+		
+		struct sockaddr_in addr;
+		socklen_t addrLen = sizeof(addr);
+		
+		childSocketFD = accept(parentSocketFD, (struct sockaddr *)&addr, &addrLen);
+		
+		if (childSocketFD == -1)
+		{
+			LogWarn(@"Accept failed with error: %@", [self errnoError]);
+			return NO;
+		}
+		
+		childSocketAddress = [NSData dataWithBytes:&addr length:addrLen];
+	}
+	else // if (parentSocketFD == socket6FD)
+	{
+		isIPv4 = NO;
+		
+		struct sockaddr_in6 addr;
+		socklen_t addrLen = sizeof(addr);
+		
+		childSocketFD = accept(parentSocketFD, (struct sockaddr *)&addr, &addrLen);
+		
+		if (childSocketFD == -1)
+		{
+			LogWarn(@"Accept failed with error: %@", [self errnoError]);
+			return NO;
+		}
+		
+		childSocketAddress = [NSData dataWithBytes:&addr length:addrLen];
+	}
+	
+	// Enable non-blocking IO on the socket
+	
+	int result = fcntl(childSocketFD, F_SETFL, O_NONBLOCK);
+	if (result == -1)
+	{
+		LogWarn(@"Error enabling non-blocking IO on accepted socket (fcntl)");
+		return NO;
+	}
+	
+	// Prevent SIGPIPE signals
+	
+	int nosigpipe = 1;
+	setsockopt(childSocketFD, SOL_SOCKET, SO_NOSIGPIPE, &nosigpipe, sizeof(nosigpipe));
+	
+	// Notify delegate
+	
+	if (delegateQueue)
+	{
+		__strong id theDelegate = delegate;
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			// Query delegate for custom socket queue
+			
+			dispatch_queue_t childSocketQueue = NULL;
+			
+			if ([theDelegate respondsToSelector:@selector(newSocketQueueForConnectionFromAddress:onSocket:)])
+			{
+				childSocketQueue = [theDelegate newSocketQueueForConnectionFromAddress:childSocketAddress
+				                                                              onSocket:self];
+			}
+			
+			// Create GCDAsyncSocket instance for accepted socket
+			
+			GCDAsyncSocket *acceptedSocket = [[GCDAsyncSocket alloc] initWithDelegate:theDelegate
+			                                                            delegateQueue:delegateQueue
+			                                                              socketQueue:childSocketQueue];
+			
+			if (isIPv4)
+				acceptedSocket->socket4FD = childSocketFD;
+			else
+				acceptedSocket->socket6FD = childSocketFD;
+			
+			acceptedSocket->flags = (kSocketStarted | kConnected);
+			
+			// Setup read and write sources for accepted socket
+			
+			dispatch_async(acceptedSocket->socketQueue, ^{ @autoreleasepool {
+				
+				[acceptedSocket setupReadAndWriteSourcesForNewlyConnectedSocket:childSocketFD];
+			}});
+			
+			// Notify delegate
+			
+			if ([theDelegate respondsToSelector:@selector(socket:didAcceptNewSocket:)])
+			{
+				[theDelegate socket:self didAcceptNewSocket:acceptedSocket];
+			}
+			
+			// Release the socket queue returned from the delegate (it was retained by acceptedSocket)
+			#if !OS_OBJECT_USE_OBJC
+			if (childSocketQueue) dispatch_release(childSocketQueue);
+			#endif
+			
+			// The accepted socket should have been retained by the delegate.
+			// Otherwise it gets properly released when exiting the block.
+		}});
+	}
+	
+	return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Connecting
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This method runs through the various checks required prior to a connection attempt.
+ * It is shared between the connectToHost and connectToAddress methods.
+ * 
+**/
+- (BOOL)preConnectWithInterface:(NSString *)interface error:(NSError **)errPtr
+{
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	if (delegate == nil) // Must have delegate set
+	{
+		if (errPtr)
+		{
+			NSString *msg = @"Attempting to connect without a delegate. Set a delegate first.";
+			*errPtr = [self badConfigError:msg];
+		}
+		return NO;
+	}
+	
+	if (delegateQueue == NULL) // Must have delegate queue set
+	{
+		if (errPtr)
+		{
+			NSString *msg = @"Attempting to connect without a delegate queue. Set a delegate queue first.";
+			*errPtr = [self badConfigError:msg];
+		}
+		return NO;
+	}
+	
+	if (![self isDisconnected]) // Must be disconnected
+	{
+		if (errPtr)
+		{
+			NSString *msg = @"Attempting to connect while connected or accepting connections. Disconnect first.";
+			*errPtr = [self badConfigError:msg];
+		}
+		return NO;
+	}
+	
+	BOOL isIPv4Disabled = (config & kIPv4Disabled) ? YES : NO;
+	BOOL isIPv6Disabled = (config & kIPv6Disabled) ? YES : NO;
+	
+	if (isIPv4Disabled && isIPv6Disabled) // Must have IPv4 or IPv6 enabled
+	{
+		if (errPtr)
+		{
+			NSString *msg = @"Both IPv4 and IPv6 have been disabled. Must enable at least one protocol first.";
+			*errPtr = [self badConfigError:msg];
+		}
+		return NO;
+	}
+	
+	if (interface)
+	{
+		NSMutableData *interface4 = nil;
+		NSMutableData *interface6 = nil;
+		
+		[self getInterfaceAddress4:&interface4 address6:&interface6 fromDescription:interface port:0];
+		
+		if ((interface4 == nil) && (interface6 == nil))
+		{
+			if (errPtr)
+			{
+				NSString *msg = @"Unknown interface. Specify valid interface by name (e.g. \"en1\") or IP address.";
+				*errPtr = [self badParamError:msg];
+			}
+			return NO;
+		}
+		
+		if (isIPv4Disabled && (interface6 == nil))
+		{
+			if (errPtr)
+			{
+				NSString *msg = @"IPv4 has been disabled and specified interface doesn't support IPv6.";
+				*errPtr = [self badParamError:msg];
+			}
+			return NO;
+		}
+		
+		if (isIPv6Disabled && (interface4 == nil))
+		{
+			if (errPtr)
+			{
+				NSString *msg = @"IPv6 has been disabled and specified interface doesn't support IPv4.";
+				*errPtr = [self badParamError:msg];
+			}
+			return NO;
+		}
+		
+		connectInterface4 = interface4;
+		connectInterface6 = interface6;
+	}
+	
+	// Clear queues (spurious read/write requests post disconnect)
+	[readQueue removeAllObjects];
+	[writeQueue removeAllObjects];
+	
+	return YES;
+}
+
+- (BOOL)connectToHost:(NSString*)host onPort:(uint16_t)port error:(NSError **)errPtr
+{
+	return [self connectToHost:host onPort:port withTimeout:-1 error:errPtr];
+}
+
+- (BOOL)connectToHost:(NSString *)host
+               onPort:(uint16_t)port
+          withTimeout:(NSTimeInterval)timeout
+                error:(NSError **)errPtr
+{
+	return [self connectToHost:host onPort:port viaInterface:nil withTimeout:timeout error:errPtr];
+}
+
+- (BOOL)connectToHost:(NSString *)inHost
+               onPort:(uint16_t)port
+         viaInterface:(NSString *)inInterface
+          withTimeout:(NSTimeInterval)timeout
+                error:(NSError **)errPtr
+{
+	LogTrace();
+	
+	// Just in case immutable objects were passed
+	NSString *host = [inHost copy];
+	NSString *interface = [inInterface copy];
+	
+	__block BOOL result = NO;
+	__block NSError *preConnectErr = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Check for problems with host parameter
+		
+		if ([host length] == 0)
+		{
+			NSString *msg = @"Invalid host parameter (nil or \"\"). Should be a domain name or IP address string.";
+			preConnectErr = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		// Run through standard pre-connect checks
+		
+		if (![self preConnectWithInterface:interface error:&preConnectErr])
+		{
+			return_from_block;
+		}
+		
+		// We've made it past all the checks.
+		// It's time to start the connection process.
+		
+		flags |= kSocketStarted;
+		
+		LogVerbose(@"Dispatching DNS lookup...");
+		
+		// It's possible that the given host parameter is actually a NSMutableString.
+		// So we want to copy it now, within this block that will be executed synchronously.
+		// This way the asynchronous lookup block below doesn't have to worry about it changing.
+		
+		NSString *hostCpy = [host copy];
+		
+		int aStateIndex = stateIndex;
+		__weak GCDAsyncSocket *weakSelf = self;
+		
+		dispatch_queue_t globalConcurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+		dispatch_async(globalConcurrentQueue, ^{ @autoreleasepool {
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			NSError *lookupErr = nil;
+			NSMutableArray *addresses = [GCDAsyncSocket lookupHost:hostCpy port:port error:&lookupErr];
+			
+			__strong GCDAsyncSocket *strongSelf = weakSelf;
+			if (strongSelf == nil) return_from_block;
+			
+			if (lookupErr)
+			{
+				dispatch_async(strongSelf->socketQueue, ^{ @autoreleasepool {
+					
+					[strongSelf lookup:aStateIndex didFail:lookupErr];
+				}});
+			}
+			else
+			{
+				NSData *address4 = nil;
+				NSData *address6 = nil;
+				
+				for (NSData *address in addresses)
+				{
+					if (!address4 && [GCDAsyncSocket isIPv4Address:address])
+					{
+						address4 = address;
+					}
+					else if (!address6 && [GCDAsyncSocket isIPv6Address:address])
+					{
+						address6 = address;
+					}
+				}
+				
+				dispatch_async(strongSelf->socketQueue, ^{ @autoreleasepool {
+					
+					[strongSelf lookup:aStateIndex didSucceedWithAddress4:address4 address6:address6];
+				}});
+			}
+			
+		#pragma clang diagnostic pop
+		}});
+		
+		[self startConnectTimeout:timeout];
+		
+		result = YES;
+	}};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	
+	if (errPtr) *errPtr = preConnectErr;
+	return result;
+}
+
+- (BOOL)connectToAddress:(NSData *)remoteAddr error:(NSError **)errPtr
+{
+	return [self connectToAddress:remoteAddr viaInterface:nil withTimeout:-1 error:errPtr];
+}
+
+- (BOOL)connectToAddress:(NSData *)remoteAddr withTimeout:(NSTimeInterval)timeout error:(NSError **)errPtr
+{
+	return [self connectToAddress:remoteAddr viaInterface:nil withTimeout:timeout error:errPtr];
+}
+
+- (BOOL)connectToAddress:(NSData *)inRemoteAddr
+            viaInterface:(NSString *)inInterface
+             withTimeout:(NSTimeInterval)timeout
+                   error:(NSError **)errPtr
+{
+	LogTrace();
+	
+	// Just in case immutable objects were passed
+	NSData *remoteAddr = [inRemoteAddr copy];
+	NSString *interface = [inInterface copy];
+	
+	__block BOOL result = NO;
+	__block NSError *err = nil;
+	
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		// Check for problems with remoteAddr parameter
+		
+		NSData *address4 = nil;
+		NSData *address6 = nil;
+		
+		if ([remoteAddr length] >= sizeof(struct sockaddr))
+		{
+			const struct sockaddr *sockaddr = (const struct sockaddr *)[remoteAddr bytes];
+			
+			if (sockaddr->sa_family == AF_INET)
+			{
+				if ([remoteAddr length] == sizeof(struct sockaddr_in))
+				{
+					address4 = remoteAddr;
+				}
+			}
+			else if (sockaddr->sa_family == AF_INET6)
+			{
+				if ([remoteAddr length] == sizeof(struct sockaddr_in6))
+				{
+					address6 = remoteAddr;
+				}
+			}
+		}
+		
+		if ((address4 == nil) && (address6 == nil))
+		{
+			NSString *msg = @"A valid IPv4 or IPv6 address was not given";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		BOOL isIPv4Disabled = (config & kIPv4Disabled) ? YES : NO;
+		BOOL isIPv6Disabled = (config & kIPv6Disabled) ? YES : NO;
+		
+		if (isIPv4Disabled && (address4 != nil))
+		{
+			NSString *msg = @"IPv4 has been disabled and an IPv4 address was passed.";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		if (isIPv6Disabled && (address6 != nil))
+		{
+			NSString *msg = @"IPv6 has been disabled and an IPv6 address was passed.";
+			err = [self badParamError:msg];
+			
+			return_from_block;
+		}
+		
+		// Run through standard pre-connect checks
+		
+		if (![self preConnectWithInterface:interface error:&err])
+		{
+			return_from_block;
+		}
+		
+		// We've made it past all the checks.
+		// It's time to start the connection process.
+		
+		if (![self connectWithAddress4:address4 address6:address6 error:&err])
+		{
+			return_from_block;
+		}
+		
+		flags |= kSocketStarted;
+		
+		[self startConnectTimeout:timeout];
+		
+		result = YES;
+	}};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	if (result == NO)
+	{
+		if (errPtr)
+			*errPtr = err;
+	}
+	
+	return result;
+}
+
+- (void)lookup:(int)aStateIndex didSucceedWithAddress4:(NSData *)address4 address6:(NSData *)address6
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	NSAssert(address4 || address6, @"Expected at least one valid address");
+	
+	if (aStateIndex != stateIndex)
+	{
+		LogInfo(@"Ignoring lookupDidSucceed, already disconnected");
+		
+		// The connect operation has been cancelled.
+		// That is, socket was disconnected, or connection has already timed out.
+		return;
+	}
+	
+	// Check for problems
+	
+	BOOL isIPv4Disabled = (config & kIPv4Disabled) ? YES : NO;
+	BOOL isIPv6Disabled = (config & kIPv6Disabled) ? YES : NO;
+	
+	if (isIPv4Disabled && (address6 == nil))
+	{
+		NSString *msg = @"IPv4 has been disabled and DNS lookup found no IPv6 address.";
+		
+		[self closeWithError:[self otherError:msg]];
+		return;
+	}
+	
+	if (isIPv6Disabled && (address4 == nil))
+	{
+		NSString *msg = @"IPv6 has been disabled and DNS lookup found no IPv4 address.";
+		
+		[self closeWithError:[self otherError:msg]];
+		return;
+	}
+	
+	// Start the normal connection process
+	
+	NSError *err = nil;
+	if (![self connectWithAddress4:address4 address6:address6 error:&err])
+	{
+		[self closeWithError:err];
+	}
+}
+
+/**
+ * This method is called if the DNS lookup fails.
+ * This method is executed on the socketQueue.
+ * 
+ * Since the DNS lookup executed synchronously on a global concurrent queue,
+ * the original connection request may have already been cancelled or timed-out by the time this method is invoked.
+ * The lookupIndex tells us whether the lookup is still valid or not.
+**/
+- (void)lookup:(int)aStateIndex didFail:(NSError *)error
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	
+	if (aStateIndex != stateIndex)
+	{
+		LogInfo(@"Ignoring lookup:didFail: - already disconnected");
+		
+		// The connect operation has been cancelled.
+		// That is, socket was disconnected, or connection has already timed out.
+		return;
+	}
+	
+	[self endConnectTimeout];
+	[self closeWithError:error];
+}
+
+- (BOOL)connectWithAddress4:(NSData *)address4 address6:(NSData *)address6 error:(NSError **)errPtr
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	LogVerbose(@"IPv4: %@:%hu", [[self class] hostFromAddress:address4], [[self class] portFromAddress:address4]);
+	LogVerbose(@"IPv6: %@:%hu", [[self class] hostFromAddress:address6], [[self class] portFromAddress:address6]);
+	
+	// Determine socket type
+	
+	BOOL preferIPv6 = (config & kPreferIPv6) ? YES : NO;
+	
+	BOOL useIPv6 = ((preferIPv6 && address6) || (address4 == nil));
+	
+	// Create the socket
+	
+	int socketFD;
+	NSData *address;
+	NSData *connectInterface;
+	
+	if (useIPv6)
+	{
+		LogVerbose(@"Creating IPv6 socket");
+		
+		socket6FD = socket(AF_INET6, SOCK_STREAM, 0);
+		
+		socketFD = socket6FD;
+		address = address6;
+		connectInterface = connectInterface6;
+	}
+	else
+	{
+		LogVerbose(@"Creating IPv4 socket");
+		
+		socket4FD = socket(AF_INET, SOCK_STREAM, 0);
+		
+		socketFD = socket4FD;
+		address = address4;
+		connectInterface = connectInterface4;
+	}
+	
+	if (socketFD == SOCKET_NULL)
+	{
+		if (errPtr)
+			*errPtr = [self errnoErrorWithReason:@"Error in socket() function"];
+		
+		return NO;
+	}
+	
+	// Bind the socket to the desired interface (if needed)
+	
+	if (connectInterface)
+	{
+		LogVerbose(@"Binding socket...");
+		
+		if ([[self class] portFromAddress:connectInterface] > 0)
+		{
+			// Since we're going to be binding to a specific port,
+			// we should turn on reuseaddr to allow us to override sockets in time_wait.
+			
+			int reuseOn = 1;
+			setsockopt(socketFD, SOL_SOCKET, SO_REUSEADDR, &reuseOn, sizeof(reuseOn));
+		}
+		
+		const struct sockaddr *interfaceAddr = (const struct sockaddr *)[connectInterface bytes];
+		
+		int result = bind(socketFD, interfaceAddr, (socklen_t)[connectInterface length]);
+		if (result != 0)
+		{
+			if (errPtr)
+				*errPtr = [self errnoErrorWithReason:@"Error in bind() function"];
+			
+			return NO;
+		}
+	}
+	
+	// Prevent SIGPIPE signals
+	
+	int nosigpipe = 1;
+	setsockopt(socketFD, SOL_SOCKET, SO_NOSIGPIPE, &nosigpipe, sizeof(nosigpipe));
+	
+	// Start the connection process in a background queue
+	
+	int aStateIndex = stateIndex;
+	__weak GCDAsyncSocket *weakSelf = self;
+	
+	dispatch_queue_t globalConcurrentQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+	dispatch_async(globalConcurrentQueue, ^{
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+	
+		int result = connect(socketFD, (const struct sockaddr *)[address bytes], (socklen_t)[address length]);
+		
+		__strong GCDAsyncSocket *strongSelf = weakSelf;
+		if (strongSelf == nil) return_from_block;
+		
+		if (result == 0)
+		{
+			dispatch_async(strongSelf->socketQueue, ^{ @autoreleasepool {
+				
+				[strongSelf didConnect:aStateIndex];
+			}});
+		}
+		else
+		{
+			NSError *error = [strongSelf errnoErrorWithReason:@"Error in connect() function"];
+			
+			dispatch_async(strongSelf->socketQueue, ^{ @autoreleasepool {
+				
+				[strongSelf didNotConnect:aStateIndex error:error];
+			}});
+		}
+		
+	#pragma clang diagnostic pop
+	});
+	
+	LogVerbose(@"Connecting...");
+	
+	return YES;
+}
+
+- (void)didConnect:(int)aStateIndex
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	
+	if (aStateIndex != stateIndex)
+	{
+		LogInfo(@"Ignoring didConnect, already disconnected");
+		
+		// The connect operation has been cancelled.
+		// That is, socket was disconnected, or connection has already timed out.
+		return;
+	}
+	
+	flags |= kConnected;
+	
+	[self endConnectTimeout];
+	
+	#if TARGET_OS_IPHONE
+	// The endConnectTimeout method executed above incremented the stateIndex.
+	aStateIndex = stateIndex;
+	#endif
+	
+	// Setup read/write streams (as workaround for specific shortcomings in the iOS platform)
+	// 
+	// Note:
+	// There may be configuration options that must be set by the delegate before opening the streams.
+	// The primary example is the kCFStreamNetworkServiceTypeVoIP flag, which only works on an unopened stream.
+	// 
+	// Thus we wait until after the socket:didConnectToHost:port: delegate method has completed.
+	// This gives the delegate time to properly configure the streams if needed.
+	
+	dispatch_block_t SetupStreamsPart1 = ^{
+		#if TARGET_OS_IPHONE
+		
+		if (![self createReadAndWriteStream])
+		{
+			[self closeWithError:[self otherError:@"Error creating CFStreams"]];
+			return;
+		}
+		
+		if (![self registerForStreamCallbacksIncludingReadWrite:NO])
+		{
+			[self closeWithError:[self otherError:@"Error in CFStreamSetClient"]];
+			return;
+		}
+		
+		#endif
+	};
+	dispatch_block_t SetupStreamsPart2 = ^{
+		#if TARGET_OS_IPHONE
+		
+		if (aStateIndex != stateIndex)
+		{
+			// The socket has been disconnected.
+			return;
+		}
+		
+		if (![self addStreamsToRunLoop])
+		{
+			[self closeWithError:[self otherError:@"Error in CFStreamScheduleWithRunLoop"]];
+			return;
+		}
+		
+		if (![self openStreams])
+		{
+			[self closeWithError:[self otherError:@"Error creating CFStreams"]];
+			return;
+		}
+		
+		#endif
+	};
+	
+	// Notify delegate
+	
+	NSString *host = [self connectedHost];
+	uint16_t port = [self connectedPort];
+	
+	__strong id theDelegate = delegate;
+
+	if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didConnectToHost:port:)])
+	{
+		SetupStreamsPart1();
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate socket:self didConnectToHost:host port:port];
+			
+			dispatch_async(socketQueue, ^{ @autoreleasepool {
+				
+				SetupStreamsPart2();
+			}});
+		}});
+	}
+	else
+	{
+		SetupStreamsPart1();
+		SetupStreamsPart2();
+	}
+		
+	// Get the connected socket
+	
+	int socketFD = (socket4FD != SOCKET_NULL) ? socket4FD : socket6FD;
+	
+	// Enable non-blocking IO on the socket
+	
+	int result = fcntl(socketFD, F_SETFL, O_NONBLOCK);
+	if (result == -1)
+	{
+		NSString *errMsg = @"Error enabling non-blocking IO on socket (fcntl)";
+		[self closeWithError:[self otherError:errMsg]];
+		
+		return;
+	}
+	
+	// Setup our read/write sources
+	
+	[self setupReadAndWriteSourcesForNewlyConnectedSocket:socketFD];
+	
+	// Dequeue any pending read/write requests
+	
+	[self maybeDequeueRead];
+	[self maybeDequeueWrite];
+}
+
+- (void)didNotConnect:(int)aStateIndex error:(NSError *)error
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	
+	if (aStateIndex != stateIndex)
+	{
+		LogInfo(@"Ignoring didNotConnect, already disconnected");
+		
+		// The connect operation has been cancelled.
+		// That is, socket was disconnected, or connection has already timed out.
+		return;
+	}
+	
+	[self closeWithError:error];
+}
+
+- (void)startConnectTimeout:(NSTimeInterval)timeout
+{
+	if (timeout >= 0.0)
+	{
+		connectTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, socketQueue);
+		
+		__weak GCDAsyncSocket *weakSelf = self;
+		
+		dispatch_source_set_event_handler(connectTimer, ^{ @autoreleasepool {
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+			__strong GCDAsyncSocket *strongSelf = weakSelf;
+			if (strongSelf == nil) return_from_block;
+			
+			[strongSelf doConnectTimeout];
+			
+		#pragma clang diagnostic pop
+		}});
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theConnectTimer = connectTimer;
+		dispatch_source_set_cancel_handler(connectTimer, ^{
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			LogVerbose(@"dispatch_release(connectTimer)");
+			dispatch_release(theConnectTimer);
+			
+		#pragma clang diagnostic pop
+		});
+		#endif
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeout * NSEC_PER_SEC));
+		dispatch_source_set_timer(connectTimer, tt, DISPATCH_TIME_FOREVER, 0);
+		
+		dispatch_resume(connectTimer);
+	}
+}
+
+- (void)endConnectTimeout
+{
+	LogTrace();
+	
+	if (connectTimer)
+	{
+		dispatch_source_cancel(connectTimer);
+		connectTimer = NULL;
+	}
+	
+	// Increment stateIndex.
+	// This will prevent us from processing results from any related background asynchronous operations.
+	// 
+	// Note: This should be called from close method even if connectTimer is NULL.
+	// This is because one might disconnect a socket prior to a successful connection which had no timeout.
+	
+	stateIndex++;
+	
+	if (connectInterface4)
+	{
+		connectInterface4 = nil;
+	}
+	if (connectInterface6)
+	{
+		connectInterface6 = nil;
+	}
+}
+
+- (void)doConnectTimeout
+{
+	LogTrace();
+	
+	[self endConnectTimeout];
+	[self closeWithError:[self connectTimeoutError]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Disconnecting
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)closeWithError:(NSError *)error
+{
+	LogTrace();
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	[self endConnectTimeout];
+	
+	if (currentRead != nil)  [self endCurrentRead];
+	if (currentWrite != nil) [self endCurrentWrite];
+	
+	[readQueue removeAllObjects];
+	[writeQueue removeAllObjects];
+	
+	[preBuffer reset];
+	
+	#if TARGET_OS_IPHONE
+	{
+		if (readStream || writeStream)
+		{
+			[self removeStreamsFromRunLoop];
+			
+			if (readStream)
+			{
+				CFReadStreamSetClient(readStream, kCFStreamEventNone, NULL, NULL);
+				CFReadStreamClose(readStream);
+				CFRelease(readStream);
+				readStream = NULL;
+			}
+			if (writeStream)
+			{
+				CFWriteStreamSetClient(writeStream, kCFStreamEventNone, NULL, NULL);
+				CFWriteStreamClose(writeStream);
+				CFRelease(writeStream);
+				writeStream = NULL;
+			}
+		}
+	}
+	#endif
+	
+	[sslPreBuffer reset];
+	sslErrCode = noErr;
+	
+	if (sslContext)
+	{
+		// Getting a linker error here about the SSLx() functions?
+		// You need to add the Security Framework to your application.
+		
+		SSLClose(sslContext);
+		
+		#if TARGET_OS_IPHONE || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1080)
+		CFRelease(sslContext);
+		#else
+		SSLDisposeContext(sslContext);
+		#endif
+		
+		sslContext = NULL;
+	}
+	
+	// For some crazy reason (in my opinion), cancelling a dispatch source doesn't
+	// invoke the cancel handler if the dispatch source is paused.
+	// So we have to unpause the source if needed.
+	// This allows the cancel handler to be run, which in turn releases the source and closes the socket.
+	
+	if (!accept4Source && !accept6Source && !readSource && !writeSource)
+	{
+		LogVerbose(@"manually closing close");
+
+		if (socket4FD != SOCKET_NULL)
+		{
+			LogVerbose(@"close(socket4FD)");
+			close(socket4FD);
+			socket4FD = SOCKET_NULL;
+		}
+
+		if (socket6FD != SOCKET_NULL)
+		{
+			LogVerbose(@"close(socket6FD)");
+			close(socket6FD);
+			socket6FD = SOCKET_NULL;
+		}
+	}
+	else
+	{
+		if (accept4Source)
+		{
+			LogVerbose(@"dispatch_source_cancel(accept4Source)");
+			dispatch_source_cancel(accept4Source);
+			
+			// We never suspend accept4Source
+			
+			accept4Source = NULL;
+		}
+		
+		if (accept6Source)
+		{
+			LogVerbose(@"dispatch_source_cancel(accept6Source)");
+			dispatch_source_cancel(accept6Source);
+			
+			// We never suspend accept6Source
+			
+			accept6Source = NULL;
+		}
+	
+		if (readSource)
+		{
+			LogVerbose(@"dispatch_source_cancel(readSource)");
+			dispatch_source_cancel(readSource);
+			
+			[self resumeReadSource];
+			
+			readSource = NULL;
+		}
+		
+		if (writeSource)
+		{
+			LogVerbose(@"dispatch_source_cancel(writeSource)");
+			dispatch_source_cancel(writeSource);
+			
+			[self resumeWriteSource];
+			
+			writeSource = NULL;
+		}
+		
+		// The sockets will be closed by the cancel handlers of the corresponding source
+		
+		socket4FD = SOCKET_NULL;
+		socket6FD = SOCKET_NULL;
+	}
+	
+	// If the client has passed the connect/accept method, then the connection has at least begun.
+	// Notify delegate that it is now ending.
+	BOOL shouldCallDelegate = (flags & kSocketStarted) ? YES : NO;
+	BOOL isDeallocating = (flags & kDealloc) ? YES : NO;
+	
+	// Clear stored socket info and all flags (config remains as is)
+	socketFDBytesAvailable = 0;
+	flags = 0;
+	
+	if (shouldCallDelegate)
+	{
+		__strong id theDelegate = delegate;
+		__strong id theSelf = isDeallocating ? nil : self;
+		
+		if (delegateQueue && [theDelegate respondsToSelector: @selector(socketDidDisconnect:withError:)])
+		{
+			dispatch_async(delegateQueue, ^{ @autoreleasepool {
+				
+				[theDelegate socketDidDisconnect:theSelf withError:error];
+			}});
+		}	
+	}
+}
+
+- (void)disconnect
+{
+	dispatch_block_t block = ^{ @autoreleasepool {
+		
+		if (flags & kSocketStarted)
+		{
+			[self closeWithError:nil];
+		}
+	}};
+	
+	// Synchronous disconnection, as documented in the header file
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+}
+
+- (void)disconnectAfterReading
+{
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		if (flags & kSocketStarted)
+		{
+			flags |= (kForbidReadsWrites | kDisconnectAfterReads);
+			[self maybeClose];
+		}
+	}});
+}
+
+- (void)disconnectAfterWriting
+{
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		if (flags & kSocketStarted)
+		{
+			flags |= (kForbidReadsWrites | kDisconnectAfterWrites);
+			[self maybeClose];
+		}
+	}});
+}
+
+- (void)disconnectAfterReadingAndWriting
+{
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		if (flags & kSocketStarted)
+		{
+			flags |= (kForbidReadsWrites | kDisconnectAfterReads | kDisconnectAfterWrites);
+			[self maybeClose];
+		}
+	}});
+}
+
+/**
+ * Closes the socket if possible.
+ * That is, if all writes have completed, and we're set to disconnect after writing,
+ * or if all reads have completed, and we're set to disconnect after reading.
+**/
+- (void)maybeClose
+{
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	BOOL shouldClose = NO;
+	
+	if (flags & kDisconnectAfterReads)
+	{
+		if (([readQueue count] == 0) && (currentRead == nil))
+		{
+			if (flags & kDisconnectAfterWrites)
+			{
+				if (([writeQueue count] == 0) && (currentWrite == nil))
+				{
+					shouldClose = YES;
+				}
+			}
+			else
+			{
+				shouldClose = YES;
+			}
+		}
+	}
+	else if (flags & kDisconnectAfterWrites)
+	{
+		if (([writeQueue count] == 0) && (currentWrite == nil))
+		{
+			shouldClose = YES;
+		}
+	}
+	
+	if (shouldClose)
+	{
+		[self closeWithError:nil];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Errors
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSError *)badConfigError:(NSString *)errMsg
+{
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketBadConfigError userInfo:userInfo];
+}
+
+- (NSError *)badParamError:(NSString *)errMsg
+{
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketBadParamError userInfo:userInfo];
+}
+
++ (NSError *)gaiError:(int)gai_error
+{
+	NSString *errMsg = [NSString stringWithCString:gai_strerror(gai_error) encoding:NSASCIIStringEncoding];
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:@"kCFStreamErrorDomainNetDB" code:gai_error userInfo:userInfo];
+}
+
+- (NSError *)errnoErrorWithReason:(NSString *)reason
+{
+	NSString *errMsg = [NSString stringWithUTF8String:strerror(errno)];
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObjectsAndKeys:errMsg, NSLocalizedDescriptionKey,
+	                                                                    reason, NSLocalizedFailureReasonErrorKey, nil];
+	
+	return [NSError errorWithDomain:NSPOSIXErrorDomain code:errno userInfo:userInfo];
+}
+
+- (NSError *)errnoError
+{
+	NSString *errMsg = [NSString stringWithUTF8String:strerror(errno)];
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:NSPOSIXErrorDomain code:errno userInfo:userInfo];
+}
+
+- (NSError *)sslError:(OSStatus)ssl_error
+{
+	NSString *msg = @"Error code definition can be found in Apple's SecureTransport.h";
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:msg forKey:NSLocalizedRecoverySuggestionErrorKey];
+	
+	return [NSError errorWithDomain:@"kCFStreamErrorDomainSSL" code:ssl_error userInfo:userInfo];
+}
+
+- (NSError *)connectTimeoutError
+{
+	NSString *errMsg = NSLocalizedStringWithDefaultValue(@"GCDAsyncSocketConnectTimeoutError",
+	                                                     @"GCDAsyncSocket", [NSBundle mainBundle],
+	                                                     @"Attempt to connect to host timed out", nil);
+	
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketConnectTimeoutError userInfo:userInfo];
+}
+
+/**
+ * Returns a standard AsyncSocket maxed out error.
+**/
+- (NSError *)readMaxedOutError
+{
+	NSString *errMsg = NSLocalizedStringWithDefaultValue(@"GCDAsyncSocketReadMaxedOutError",
+														 @"GCDAsyncSocket", [NSBundle mainBundle],
+														 @"Read operation reached set maximum length", nil);
+	
+	NSDictionary *info = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketReadMaxedOutError userInfo:info];
+}
+
+/**
+ * Returns a standard AsyncSocket write timeout error.
+**/
+- (NSError *)readTimeoutError
+{
+	NSString *errMsg = NSLocalizedStringWithDefaultValue(@"GCDAsyncSocketReadTimeoutError",
+	                                                     @"GCDAsyncSocket", [NSBundle mainBundle],
+	                                                     @"Read operation timed out", nil);
+	
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketReadTimeoutError userInfo:userInfo];
+}
+
+/**
+ * Returns a standard AsyncSocket write timeout error.
+**/
+- (NSError *)writeTimeoutError
+{
+	NSString *errMsg = NSLocalizedStringWithDefaultValue(@"GCDAsyncSocketWriteTimeoutError",
+	                                                     @"GCDAsyncSocket", [NSBundle mainBundle],
+	                                                     @"Write operation timed out", nil);
+	
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketWriteTimeoutError userInfo:userInfo];
+}
+
+- (NSError *)connectionClosedError
+{
+	NSString *errMsg = NSLocalizedStringWithDefaultValue(@"GCDAsyncSocketClosedError",
+	                                                     @"GCDAsyncSocket", [NSBundle mainBundle],
+	                                                     @"Socket closed by remote peer", nil);
+	
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketClosedError userInfo:userInfo];
+}
+
+- (NSError *)otherError:(NSString *)errMsg
+{
+	NSDictionary *userInfo = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+	
+	return [NSError errorWithDomain:GCDAsyncSocketErrorDomain code:GCDAsyncSocketOtherError userInfo:userInfo];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Diagnostics
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isDisconnected
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kSocketStarted) ? NO : YES;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+- (BOOL)isConnected
+{
+	__block BOOL result = NO;
+	
+	dispatch_block_t block = ^{
+		result = (flags & kConnected) ? YES : NO;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+- (NSString *)connectedHost
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		if (socket4FD != SOCKET_NULL)
+			return [self connectedHostFromSocket4:socket4FD];
+		if (socket6FD != SOCKET_NULL)
+			return [self connectedHostFromSocket6:socket6FD];
+		
+		return nil;
+	}
+	else
+	{
+		__block NSString *result = nil;
+		
+		dispatch_sync(socketQueue, ^{ @autoreleasepool {
+			
+			if (socket4FD != SOCKET_NULL)
+				result = [self connectedHostFromSocket4:socket4FD];
+			else if (socket6FD != SOCKET_NULL)
+				result = [self connectedHostFromSocket6:socket6FD];
+		}});
+		
+		return result;
+	}
+}
+
+- (uint16_t)connectedPort
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		if (socket4FD != SOCKET_NULL)
+			return [self connectedPortFromSocket4:socket4FD];
+		if (socket6FD != SOCKET_NULL)
+			return [self connectedPortFromSocket6:socket6FD];
+		
+		return 0;
+	}
+	else
+	{
+		__block uint16_t result = 0;
+		
+		dispatch_sync(socketQueue, ^{
+			// No need for autorelease pool
+			
+			if (socket4FD != SOCKET_NULL)
+				result = [self connectedPortFromSocket4:socket4FD];
+			else if (socket6FD != SOCKET_NULL)
+				result = [self connectedPortFromSocket6:socket6FD];
+		});
+		
+		return result;
+	}
+}
+
+- (NSString *)localHost
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		if (socket4FD != SOCKET_NULL)
+			return [self localHostFromSocket4:socket4FD];
+		if (socket6FD != SOCKET_NULL)
+			return [self localHostFromSocket6:socket6FD];
+		
+		return nil;
+	}
+	else
+	{
+		__block NSString *result = nil;
+		
+		dispatch_sync(socketQueue, ^{ @autoreleasepool {
+			
+			if (socket4FD != SOCKET_NULL)
+				result = [self localHostFromSocket4:socket4FD];
+			else if (socket6FD != SOCKET_NULL)
+				result = [self localHostFromSocket6:socket6FD];
+		}});
+		
+		return result;
+	}
+}
+
+- (uint16_t)localPort
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		if (socket4FD != SOCKET_NULL)
+			return [self localPortFromSocket4:socket4FD];
+		if (socket6FD != SOCKET_NULL)
+			return [self localPortFromSocket6:socket6FD];
+		
+		return 0;
+	}
+	else
+	{
+		__block uint16_t result = 0;
+		
+		dispatch_sync(socketQueue, ^{
+			// No need for autorelease pool
+			
+			if (socket4FD != SOCKET_NULL)
+				result = [self localPortFromSocket4:socket4FD];
+			else if (socket6FD != SOCKET_NULL)
+				result = [self localPortFromSocket6:socket6FD];
+		});
+		
+		return result;
+	}
+}
+
+- (NSString *)connectedHost4
+{
+	if (socket4FD != SOCKET_NULL)
+		return [self connectedHostFromSocket4:socket4FD];
+	
+	return nil;
+}
+
+- (NSString *)connectedHost6
+{
+	if (socket6FD != SOCKET_NULL)
+		return [self connectedHostFromSocket6:socket6FD];
+	
+	return nil;
+}
+
+- (uint16_t)connectedPort4
+{
+	if (socket4FD != SOCKET_NULL)
+		return [self connectedPortFromSocket4:socket4FD];
+	
+	return 0;
+}
+
+- (uint16_t)connectedPort6
+{
+	if (socket6FD != SOCKET_NULL)
+		return [self connectedPortFromSocket6:socket6FD];
+	
+	return 0;
+}
+
+- (NSString *)localHost4
+{
+	if (socket4FD != SOCKET_NULL)
+		return [self localHostFromSocket4:socket4FD];
+	
+	return nil;
+}
+
+- (NSString *)localHost6
+{
+	if (socket6FD != SOCKET_NULL)
+		return [self localHostFromSocket6:socket6FD];
+	
+	return nil;
+}
+
+- (uint16_t)localPort4
+{
+	if (socket4FD != SOCKET_NULL)
+		return [self localPortFromSocket4:socket4FD];
+	
+	return 0;
+}
+
+- (uint16_t)localPort6
+{
+	if (socket6FD != SOCKET_NULL)
+		return [self localPortFromSocket6:socket6FD];
+	
+	return 0;
+}
+
+- (NSString *)connectedHostFromSocket4:(int)socketFD
+{
+	struct sockaddr_in sockaddr4;
+	socklen_t sockaddr4len = sizeof(sockaddr4);
+	
+	if (getpeername(socketFD, (struct sockaddr *)&sockaddr4, &sockaddr4len) < 0)
+	{
+		return nil;
+	}
+	return [[self class] hostFromSockaddr4:&sockaddr4];
+}
+
+- (NSString *)connectedHostFromSocket6:(int)socketFD
+{
+	struct sockaddr_in6 sockaddr6;
+	socklen_t sockaddr6len = sizeof(sockaddr6);
+	
+	if (getpeername(socketFD, (struct sockaddr *)&sockaddr6, &sockaddr6len) < 0)
+	{
+		return nil;
+	}
+	return [[self class] hostFromSockaddr6:&sockaddr6];
+}
+
+- (uint16_t)connectedPortFromSocket4:(int)socketFD
+{
+	struct sockaddr_in sockaddr4;
+	socklen_t sockaddr4len = sizeof(sockaddr4);
+	
+	if (getpeername(socketFD, (struct sockaddr *)&sockaddr4, &sockaddr4len) < 0)
+	{
+		return 0;
+	}
+	return [[self class] portFromSockaddr4:&sockaddr4];
+}
+
+- (uint16_t)connectedPortFromSocket6:(int)socketFD
+{
+	struct sockaddr_in6 sockaddr6;
+	socklen_t sockaddr6len = sizeof(sockaddr6);
+	
+	if (getpeername(socketFD, (struct sockaddr *)&sockaddr6, &sockaddr6len) < 0)
+	{
+		return 0;
+	}
+	return [[self class] portFromSockaddr6:&sockaddr6];
+}
+
+- (NSString *)localHostFromSocket4:(int)socketFD
+{
+	struct sockaddr_in sockaddr4;
+	socklen_t sockaddr4len = sizeof(sockaddr4);
+	
+	if (getsockname(socketFD, (struct sockaddr *)&sockaddr4, &sockaddr4len) < 0)
+	{
+		return nil;
+	}
+	return [[self class] hostFromSockaddr4:&sockaddr4];
+}
+
+- (NSString *)localHostFromSocket6:(int)socketFD
+{
+	struct sockaddr_in6 sockaddr6;
+	socklen_t sockaddr6len = sizeof(sockaddr6);
+	
+	if (getsockname(socketFD, (struct sockaddr *)&sockaddr6, &sockaddr6len) < 0)
+	{
+		return nil;
+	}
+	return [[self class] hostFromSockaddr6:&sockaddr6];
+}
+
+- (uint16_t)localPortFromSocket4:(int)socketFD
+{
+	struct sockaddr_in sockaddr4;
+	socklen_t sockaddr4len = sizeof(sockaddr4);
+	
+	if (getsockname(socketFD, (struct sockaddr *)&sockaddr4, &sockaddr4len) < 0)
+	{
+		return 0;
+	}
+	return [[self class] portFromSockaddr4:&sockaddr4];
+}
+
+- (uint16_t)localPortFromSocket6:(int)socketFD
+{
+	struct sockaddr_in6 sockaddr6;
+	socklen_t sockaddr6len = sizeof(sockaddr6);
+	
+	if (getsockname(socketFD, (struct sockaddr *)&sockaddr6, &sockaddr6len) < 0)
+	{
+		return 0;
+	}
+	return [[self class] portFromSockaddr6:&sockaddr6];
+}
+
+- (NSData *)connectedAddress
+{
+	__block NSData *result = nil;
+	
+	dispatch_block_t block = ^{
+		if (socket4FD != SOCKET_NULL)
+		{
+			struct sockaddr_in sockaddr4;
+			socklen_t sockaddr4len = sizeof(sockaddr4);
+			
+			if (getpeername(socket4FD, (struct sockaddr *)&sockaddr4, &sockaddr4len) == 0)
+			{
+				result = [[NSData alloc] initWithBytes:&sockaddr4 length:sockaddr4len];
+			}
+		}
+		
+		if (socket6FD != SOCKET_NULL)
+		{
+			struct sockaddr_in6 sockaddr6;
+			socklen_t sockaddr6len = sizeof(sockaddr6);
+			
+			if (getpeername(socket6FD, (struct sockaddr *)&sockaddr6, &sockaddr6len) == 0)
+			{
+				result = [[NSData alloc] initWithBytes:&sockaddr6 length:sockaddr6len];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+- (NSData *)localAddress
+{
+	__block NSData *result = nil;
+	
+	dispatch_block_t block = ^{
+		if (socket4FD != SOCKET_NULL)
+		{
+			struct sockaddr_in sockaddr4;
+			socklen_t sockaddr4len = sizeof(sockaddr4);
+			
+			if (getsockname(socket4FD, (struct sockaddr *)&sockaddr4, &sockaddr4len) == 0)
+			{
+				result = [[NSData alloc] initWithBytes:&sockaddr4 length:sockaddr4len];
+			}
+		}
+		
+		if (socket6FD != SOCKET_NULL)
+		{
+			struct sockaddr_in6 sockaddr6;
+			socklen_t sockaddr6len = sizeof(sockaddr6);
+			
+			if (getsockname(socket6FD, (struct sockaddr *)&sockaddr6, &sockaddr6len) == 0)
+			{
+				result = [[NSData alloc] initWithBytes:&sockaddr6 length:sockaddr6len];
+			}
+		}
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+- (BOOL)isIPv4
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return (socket4FD != SOCKET_NULL);
+	}
+	else
+	{
+		__block BOOL result = NO;
+		
+		dispatch_sync(socketQueue, ^{
+			result = (socket4FD != SOCKET_NULL);
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)isIPv6
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return (socket6FD != SOCKET_NULL);
+	}
+	else
+	{
+		__block BOOL result = NO;
+		
+		dispatch_sync(socketQueue, ^{
+			result = (socket6FD != SOCKET_NULL);
+		});
+		
+		return result;
+	}
+}
+
+- (BOOL)isSecure
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return (flags & kSocketSecure) ? YES : NO;
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = (flags & kSocketSecure) ? YES : NO;
+		});
+		
+		return result;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Finds the address of an interface description.
+ * An inteface description may be an interface name (en0, en1, lo0) or corresponding IP (192.168.4.34).
+ * 
+ * The interface description may optionally contain a port number at the end, separated by a colon.
+ * If a non-zero port parameter is provided, any port number in the interface description is ignored.
+ * 
+ * The returned value is a 'struct sockaddr' wrapped in an NSMutableData object.
+**/
+- (void)getInterfaceAddress4:(NSMutableData **)interfaceAddr4Ptr
+                    address6:(NSMutableData **)interfaceAddr6Ptr
+             fromDescription:(NSString *)interfaceDescription
+                        port:(uint16_t)port
+{
+	NSMutableData *addr4 = nil;
+	NSMutableData *addr6 = nil;
+	
+	NSString *interface = nil;
+	
+	NSArray *components = [interfaceDescription componentsSeparatedByString:@":"];
+	if ([components count] > 0)
+	{
+		NSString *temp = [components objectAtIndex:0];
+		if ([temp length] > 0)
+		{
+			interface = temp;
+		}
+	}
+	if ([components count] > 1 && port == 0)
+	{
+		long portL = strtol([[components objectAtIndex:1] UTF8String], NULL, 10);
+		
+		if (portL > 0 && portL <= UINT16_MAX)
+		{
+			port = (uint16_t)portL;
+		}
+	}
+	
+	if (interface == nil)
+	{
+		// ANY address
+		
+		struct sockaddr_in sockaddr4;
+		memset(&sockaddr4, 0, sizeof(sockaddr4));
+		
+		sockaddr4.sin_len         = sizeof(sockaddr4);
+		sockaddr4.sin_family      = AF_INET;
+		sockaddr4.sin_port        = htons(port);
+		sockaddr4.sin_addr.s_addr = htonl(INADDR_ANY);
+		
+		struct sockaddr_in6 sockaddr6;
+		memset(&sockaddr6, 0, sizeof(sockaddr6));
+		
+		sockaddr6.sin6_len       = sizeof(sockaddr6);
+		sockaddr6.sin6_family    = AF_INET6;
+		sockaddr6.sin6_port      = htons(port);
+		sockaddr6.sin6_addr      = in6addr_any;
+		
+		addr4 = [NSMutableData dataWithBytes:&sockaddr4 length:sizeof(sockaddr4)];
+		addr6 = [NSMutableData dataWithBytes:&sockaddr6 length:sizeof(sockaddr6)];
+	}
+	else if ([interface isEqualToString:@"localhost"] || [interface isEqualToString:@"loopback"])
+	{
+		// LOOPBACK address
+		
+		struct sockaddr_in sockaddr4;
+		memset(&sockaddr4, 0, sizeof(sockaddr4));
+		
+		sockaddr4.sin_len         = sizeof(sockaddr4);
+		sockaddr4.sin_family      = AF_INET;
+		sockaddr4.sin_port        = htons(port);
+		sockaddr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+		
+		struct sockaddr_in6 sockaddr6;
+		memset(&sockaddr6, 0, sizeof(sockaddr6));
+		
+		sockaddr6.sin6_len       = sizeof(sockaddr6);
+		sockaddr6.sin6_family    = AF_INET6;
+		sockaddr6.sin6_port      = htons(port);
+		sockaddr6.sin6_addr      = in6addr_loopback;
+		
+		addr4 = [NSMutableData dataWithBytes:&sockaddr4 length:sizeof(sockaddr4)];
+		addr6 = [NSMutableData dataWithBytes:&sockaddr6 length:sizeof(sockaddr6)];
+	}
+	else
+	{
+		const char *iface = [interface UTF8String];
+		
+		struct ifaddrs *addrs;
+		const struct ifaddrs *cursor;
+		
+		if ((getifaddrs(&addrs) == 0))
+		{
+			cursor = addrs;
+			while (cursor != NULL)
+			{
+				if ((addr4 == nil) && (cursor->ifa_addr->sa_family == AF_INET))
+				{
+					// IPv4
+					
+					struct sockaddr_in nativeAddr4;
+					memcpy(&nativeAddr4, cursor->ifa_addr, sizeof(nativeAddr4));
+					
+					if (strcmp(cursor->ifa_name, iface) == 0)
+					{
+						// Name match
+						
+						nativeAddr4.sin_port = htons(port);
+						
+						addr4 = [NSMutableData dataWithBytes:&nativeAddr4 length:sizeof(nativeAddr4)];
+					}
+					else
+					{
+						char ip[INET_ADDRSTRLEN];
+						
+						const char *conversion = inet_ntop(AF_INET, &nativeAddr4.sin_addr, ip, sizeof(ip));
+						
+						if ((conversion != NULL) && (strcmp(ip, iface) == 0))
+						{
+							// IP match
+							
+							nativeAddr4.sin_port = htons(port);
+							
+							addr4 = [NSMutableData dataWithBytes:&nativeAddr4 length:sizeof(nativeAddr4)];
+						}
+					}
+				}
+				else if ((addr6 == nil) && (cursor->ifa_addr->sa_family == AF_INET6))
+				{
+					// IPv6
+					
+					struct sockaddr_in6 nativeAddr6;
+					memcpy(&nativeAddr6, cursor->ifa_addr, sizeof(nativeAddr6));
+					
+					if (strcmp(cursor->ifa_name, iface) == 0)
+					{
+						// Name match
+						
+						nativeAddr6.sin6_port = htons(port);
+						
+						addr6 = [NSMutableData dataWithBytes:&nativeAddr6 length:sizeof(nativeAddr6)];
+					}
+					else
+					{
+						char ip[INET6_ADDRSTRLEN];
+						
+						const char *conversion = inet_ntop(AF_INET6, &nativeAddr6.sin6_addr, ip, sizeof(ip));
+						
+						if ((conversion != NULL) && (strcmp(ip, iface) == 0))
+						{
+							// IP match
+							
+							nativeAddr6.sin6_port = htons(port);
+							
+							addr6 = [NSMutableData dataWithBytes:&nativeAddr6 length:sizeof(nativeAddr6)];
+						}
+					}
+				}
+				
+				cursor = cursor->ifa_next;
+			}
+			
+			freeifaddrs(addrs);
+		}
+	}
+	
+	if (interfaceAddr4Ptr) *interfaceAddr4Ptr = addr4;
+	if (interfaceAddr6Ptr) *interfaceAddr6Ptr = addr6;
+}
+
+- (void)setupReadAndWriteSourcesForNewlyConnectedSocket:(int)socketFD
+{
+	readSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, socketFD, 0, socketQueue);
+	writeSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_WRITE, socketFD, 0, socketQueue);
+	
+	// Setup event handlers
+	
+	__weak GCDAsyncSocket *weakSelf = self;
+	
+	dispatch_source_set_event_handler(readSource, ^{ @autoreleasepool {
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+		__strong GCDAsyncSocket *strongSelf = weakSelf;
+		if (strongSelf == nil) return_from_block;
+		
+		LogVerbose(@"readEventBlock");
+		
+		strongSelf->socketFDBytesAvailable = dispatch_source_get_data(strongSelf->readSource);
+		LogVerbose(@"socketFDBytesAvailable: %lu", strongSelf->socketFDBytesAvailable);
+		
+		if (strongSelf->socketFDBytesAvailable > 0)
+			[strongSelf doReadData];
+		else
+			[strongSelf doReadEOF];
+		
+	#pragma clang diagnostic pop
+	}});
+	
+	dispatch_source_set_event_handler(writeSource, ^{ @autoreleasepool {
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+		__strong GCDAsyncSocket *strongSelf = weakSelf;
+		if (strongSelf == nil) return_from_block;
+		
+		LogVerbose(@"writeEventBlock");
+		
+		strongSelf->flags |= kSocketCanAcceptBytes;
+		[strongSelf doWriteData];
+		
+	#pragma clang diagnostic pop
+	}});
+	
+	// Setup cancel handlers
+	
+	__block int socketFDRefCount = 2;
+	
+	#if !OS_OBJECT_USE_OBJC
+	dispatch_source_t theReadSource = readSource;
+	dispatch_source_t theWriteSource = writeSource;
+	#endif
+	
+	dispatch_source_set_cancel_handler(readSource, ^{
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+		LogVerbose(@"readCancelBlock");
+		
+		#if !OS_OBJECT_USE_OBJC
+		LogVerbose(@"dispatch_release(readSource)");
+		dispatch_release(theReadSource);
+		#endif
+		
+		if (--socketFDRefCount == 0)
+		{
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+		}
+		
+	#pragma clang diagnostic pop
+	});
+	
+	dispatch_source_set_cancel_handler(writeSource, ^{
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+		LogVerbose(@"writeCancelBlock");
+		
+		#if !OS_OBJECT_USE_OBJC
+		LogVerbose(@"dispatch_release(writeSource)");
+		dispatch_release(theWriteSource);
+		#endif
+		
+		if (--socketFDRefCount == 0)
+		{
+			LogVerbose(@"close(socketFD)");
+			close(socketFD);
+		}
+		
+	#pragma clang diagnostic pop
+	});
+	
+	// We will not be able to read until data arrives.
+	// But we should be able to write immediately.
+	
+	socketFDBytesAvailable = 0;
+	flags &= ~kReadSourceSuspended;
+	
+	LogVerbose(@"dispatch_resume(readSource)");
+	dispatch_resume(readSource);
+	
+	flags |= kSocketCanAcceptBytes;
+	flags |= kWriteSourceSuspended;
+}
+
+- (BOOL)usingCFStreamForTLS
+{
+	#if TARGET_OS_IPHONE
+	
+	if ((flags & kSocketSecure) && (flags & kUsingCFStreamForTLS))
+	{
+		// The startTLS method was given the GCDAsyncSocketUseCFStreamForTLS flag.
+		
+		return YES;
+	}
+	
+	#endif
+	
+	return NO;
+}
+
+- (BOOL)usingSecureTransportForTLS
+{
+	// Invoking this method is equivalent to ![self usingCFStreamForTLS] (just more readable)
+	
+	#if TARGET_OS_IPHONE
+	
+	if ((flags & kSocketSecure) && (flags & kUsingCFStreamForTLS))
+	{
+		// The startTLS method was given the GCDAsyncSocketUseCFStreamForTLS flag.
+		
+		return NO;
+	}
+	
+	#endif
+	
+	return YES;
+}
+
+- (void)suspendReadSource
+{
+	if (!(flags & kReadSourceSuspended))
+	{
+		LogVerbose(@"dispatch_suspend(readSource)");
+		
+		dispatch_suspend(readSource);
+		flags |= kReadSourceSuspended;
+	}
+}
+
+- (void)resumeReadSource
+{
+	if (flags & kReadSourceSuspended)
+	{
+		LogVerbose(@"dispatch_resume(readSource)");
+		
+		dispatch_resume(readSource);
+		flags &= ~kReadSourceSuspended;
+	}
+}
+
+- (void)suspendWriteSource
+{
+	if (!(flags & kWriteSourceSuspended))
+	{
+		LogVerbose(@"dispatch_suspend(writeSource)");
+		
+		dispatch_suspend(writeSource);
+		flags |= kWriteSourceSuspended;
+	}
+}
+
+- (void)resumeWriteSource
+{
+	if (flags & kWriteSourceSuspended)
+	{
+		LogVerbose(@"dispatch_resume(writeSource)");
+		
+		dispatch_resume(writeSource);
+		flags &= ~kWriteSourceSuspended;
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Reading
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)readDataWithTimeout:(NSTimeInterval)timeout tag:(long)tag
+{
+	[self readDataWithTimeout:timeout buffer:nil bufferOffset:0 maxLength:0 tag:tag];
+}
+
+- (void)readDataWithTimeout:(NSTimeInterval)timeout
+                     buffer:(NSMutableData *)buffer
+               bufferOffset:(NSUInteger)offset
+                        tag:(long)tag
+{
+	[self readDataWithTimeout:timeout buffer:buffer bufferOffset:offset maxLength:0 tag:tag];
+}
+
+- (void)readDataWithTimeout:(NSTimeInterval)timeout
+                     buffer:(NSMutableData *)buffer
+               bufferOffset:(NSUInteger)offset
+                  maxLength:(NSUInteger)length
+                        tag:(long)tag
+{
+	if (offset > [buffer length]) {
+		LogWarn(@"Cannot read: offset > [buffer length]");
+		return;
+	}
+	
+	GCDAsyncReadPacket *packet = [[GCDAsyncReadPacket alloc] initWithData:buffer
+	                                                          startOffset:offset
+	                                                            maxLength:length
+	                                                              timeout:timeout
+	                                                           readLength:0
+	                                                           terminator:nil
+	                                                                  tag:tag];
+	
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		LogTrace();
+		
+		if ((flags & kSocketStarted) && !(flags & kForbidReadsWrites))
+		{
+			[readQueue addObject:packet];
+			[self maybeDequeueRead];
+		}
+	}});
+	
+	// Do not rely on the block being run in order to release the packet,
+	// as the queue might get released without the block completing.
+}
+
+- (void)readDataToLength:(NSUInteger)length withTimeout:(NSTimeInterval)timeout tag:(long)tag
+{
+	[self readDataToLength:length withTimeout:timeout buffer:nil bufferOffset:0 tag:tag];
+}
+
+- (void)readDataToLength:(NSUInteger)length
+             withTimeout:(NSTimeInterval)timeout
+                  buffer:(NSMutableData *)buffer
+            bufferOffset:(NSUInteger)offset
+                     tag:(long)tag
+{
+	if (length == 0) {
+		LogWarn(@"Cannot read: length == 0");
+		return;
+	}
+	if (offset > [buffer length]) {
+		LogWarn(@"Cannot read: offset > [buffer length]");
+		return;
+	}
+	
+	GCDAsyncReadPacket *packet = [[GCDAsyncReadPacket alloc] initWithData:buffer
+	                                                          startOffset:offset
+	                                                            maxLength:0
+	                                                              timeout:timeout
+	                                                           readLength:length
+	                                                           terminator:nil
+	                                                                  tag:tag];
+	
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		LogTrace();
+		
+		if ((flags & kSocketStarted) && !(flags & kForbidReadsWrites))
+		{
+			[readQueue addObject:packet];
+			[self maybeDequeueRead];
+		}
+	}});
+	
+	// Do not rely on the block being run in order to release the packet,
+	// as the queue might get released without the block completing.
+}
+
+- (void)readDataToData:(NSData *)data withTimeout:(NSTimeInterval)timeout tag:(long)tag
+{
+	[self readDataToData:data withTimeout:timeout buffer:nil bufferOffset:0 maxLength:0 tag:tag];
+}
+
+- (void)readDataToData:(NSData *)data
+           withTimeout:(NSTimeInterval)timeout
+                buffer:(NSMutableData *)buffer
+          bufferOffset:(NSUInteger)offset
+                   tag:(long)tag
+{
+	[self readDataToData:data withTimeout:timeout buffer:buffer bufferOffset:offset maxLength:0 tag:tag];
+}
+
+- (void)readDataToData:(NSData *)data withTimeout:(NSTimeInterval)timeout maxLength:(NSUInteger)length tag:(long)tag
+{
+	[self readDataToData:data withTimeout:timeout buffer:nil bufferOffset:0 maxLength:length tag:tag];
+}
+
+- (void)readDataToData:(NSData *)data
+           withTimeout:(NSTimeInterval)timeout
+                buffer:(NSMutableData *)buffer
+          bufferOffset:(NSUInteger)offset
+             maxLength:(NSUInteger)maxLength
+                   tag:(long)tag
+{
+	if ([data length] == 0) {
+		LogWarn(@"Cannot read: [data length] == 0");
+		return;
+	}
+	if (offset > [buffer length]) {
+		LogWarn(@"Cannot read: offset > [buffer length]");
+		return;
+	}
+	if (maxLength > 0 && maxLength < [data length]) {
+		LogWarn(@"Cannot read: maxLength > 0 && maxLength < [data length]");
+		return;
+	}
+	
+	GCDAsyncReadPacket *packet = [[GCDAsyncReadPacket alloc] initWithData:buffer
+	                                                          startOffset:offset
+	                                                            maxLength:maxLength
+	                                                              timeout:timeout
+	                                                           readLength:0
+	                                                           terminator:data
+	                                                                  tag:tag];
+	
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		LogTrace();
+		
+		if ((flags & kSocketStarted) && !(flags & kForbidReadsWrites))
+		{
+			[readQueue addObject:packet];
+			[self maybeDequeueRead];
+		}
+	}});
+	
+	// Do not rely on the block being run in order to release the packet,
+	// as the queue might get released without the block completing.
+}
+
+- (float)progressOfReadReturningTag:(long *)tagPtr bytesDone:(NSUInteger *)donePtr total:(NSUInteger *)totalPtr
+{
+	__block float result = 0.0F;
+	
+	dispatch_block_t block = ^{
+		
+		if (!currentRead || ![currentRead isKindOfClass:[GCDAsyncReadPacket class]])
+		{
+			// We're not reading anything right now.
+			
+			if (tagPtr != NULL)   *tagPtr = 0;
+			if (donePtr != NULL)  *donePtr = 0;
+			if (totalPtr != NULL) *totalPtr = 0;
+			
+			result = NAN;
+		}
+		else
+		{
+			// It's only possible to know the progress of our read if we're reading to a certain length.
+			// If we're reading to data, we of course have no idea when the data will arrive.
+			// If we're reading to timeout, then we have no idea when the next chunk of data will arrive.
+			
+			NSUInteger done = currentRead->bytesDone;
+			NSUInteger total = currentRead->readLength;
+			
+			if (tagPtr != NULL)   *tagPtr = currentRead->tag;
+			if (donePtr != NULL)  *donePtr = done;
+			if (totalPtr != NULL) *totalPtr = total;
+			
+			if (total > 0)
+				result = (float)done / (float)total;
+			else
+				result = 1.0F;
+		}
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+/**
+ * This method starts a new read, if needed.
+ * 
+ * It is called when:
+ * - a user requests a read
+ * - after a read request has finished (to handle the next request)
+ * - immediately after the socket opens to handle any pending requests
+ * 
+ * This method also handles auto-disconnect post read/write completion.
+**/
+- (void)maybeDequeueRead
+{
+	LogTrace();
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	// If we're not currently processing a read AND we have an available read stream
+	if ((currentRead == nil) && (flags & kConnected))
+	{
+		if ([readQueue count] > 0)
+		{
+			// Dequeue the next object in the write queue
+			currentRead = [readQueue objectAtIndex:0];
+			[readQueue removeObjectAtIndex:0];
+			
+			
+			if ([currentRead isKindOfClass:[GCDAsyncSpecialPacket class]])
+			{
+				LogVerbose(@"Dequeued GCDAsyncSpecialPacket");
+				
+				// Attempt to start TLS
+				flags |= kStartingReadTLS;
+				
+				// This method won't do anything unless both kStartingReadTLS and kStartingWriteTLS are set
+				[self maybeStartTLS];
+			}
+			else
+			{
+				LogVerbose(@"Dequeued GCDAsyncReadPacket");
+				
+				// Setup read timer (if needed)
+				[self setupReadTimerWithTimeout:currentRead->timeout];
+				
+				// Immediately read, if possible
+				[self doReadData];
+			}
+		}
+		else if (flags & kDisconnectAfterReads)
+		{
+			if (flags & kDisconnectAfterWrites)
+			{
+				if (([writeQueue count] == 0) && (currentWrite == nil))
+				{
+					[self closeWithError:nil];
+				}
+			}
+			else
+			{
+				[self closeWithError:nil];
+			}
+		}
+		else if (flags & kSocketSecure)
+		{
+			[self flushSSLBuffers];
+			
+			// Edge case:
+			// 
+			// We just drained all data from the ssl buffers,
+			// and all known data from the socket (socketFDBytesAvailable).
+			// 
+			// If we didn't get any data from this process,
+			// then we may have reached the end of the TCP stream.
+			// 
+			// Be sure callbacks are enabled so we're notified about a disconnection.
+			
+			if ([preBuffer availableBytes] == 0)
+			{
+				if ([self usingCFStreamForTLS]) {
+					// Callbacks never disabled
+				}
+				else {
+					[self resumeReadSource];
+				}
+			}
+		}
+	}
+}
+
+- (void)flushSSLBuffers
+{
+	LogTrace();
+	
+	NSAssert((flags & kSocketSecure), @"Cannot flush ssl buffers on non-secure socket");
+	
+	if ([preBuffer availableBytes] > 0)
+	{
+		// Only flush the ssl buffers if the prebuffer is empty.
+		// This is to avoid growing the prebuffer inifinitely large.
+		
+		return;
+	}
+	
+	#if TARGET_OS_IPHONE
+	
+	if ([self usingCFStreamForTLS])
+	{
+		if ((flags & kSecureSocketHasBytesAvailable) && CFReadStreamHasBytesAvailable(readStream))
+		{
+			LogVerbose(@"%@ - Flushing ssl buffers into prebuffer...", THIS_METHOD);
+			
+			CFIndex defaultBytesToRead = (1024 * 4);
+			
+			[preBuffer ensureCapacityForWrite:defaultBytesToRead];
+			
+			uint8_t *buffer = [preBuffer writeBuffer];
+			
+			CFIndex result = CFReadStreamRead(readStream, buffer, defaultBytesToRead);
+			LogVerbose(@"%@ - CFReadStreamRead(): result = %i", THIS_METHOD, (int)result);
+			
+			if (result > 0)
+			{
+				[preBuffer didWrite:result];
+			}
+			
+			flags &= ~kSecureSocketHasBytesAvailable;
+		}
+		
+		return;
+	}
+	
+	#endif
+	
+	__block NSUInteger estimatedBytesAvailable = 0;
+	
+	dispatch_block_t updateEstimatedBytesAvailable = ^{
+		
+		// Figure out if there is any data available to be read
+		// 
+		// socketFDBytesAvailable        <- Number of encrypted bytes we haven't read from the bsd socket
+		// [sslPreBuffer availableBytes] <- Number of encrypted bytes we've buffered from bsd socket
+		// sslInternalBufSize            <- Number of decrypted bytes SecureTransport has buffered
+		// 
+		// We call the variable "estimated" because we don't know how many decrypted bytes we'll get
+		// from the encrypted bytes in the sslPreBuffer.
+		// However, we do know this is an upper bound on the estimation.
+		
+		estimatedBytesAvailable = socketFDBytesAvailable + [sslPreBuffer availableBytes];
+		
+		size_t sslInternalBufSize = 0;
+		SSLGetBufferedReadSize(sslContext, &sslInternalBufSize);
+		
+		estimatedBytesAvailable += sslInternalBufSize;
+	};
+	
+	updateEstimatedBytesAvailable();
+	
+	if (estimatedBytesAvailable > 0)
+	{
+		LogVerbose(@"%@ - Flushing ssl buffers into prebuffer...", THIS_METHOD);
+		
+		BOOL done = NO;
+		do
+		{
+			LogVerbose(@"%@ - estimatedBytesAvailable = %lu", THIS_METHOD, (unsigned long)estimatedBytesAvailable);
+			
+			// Make sure there's enough room in the prebuffer
+			
+			[preBuffer ensureCapacityForWrite:estimatedBytesAvailable];
+			
+			// Read data into prebuffer
+			
+			uint8_t *buffer = [preBuffer writeBuffer];
+			size_t bytesRead = 0;
+			
+			OSStatus result = SSLRead(sslContext, buffer, (size_t)estimatedBytesAvailable, &bytesRead);
+			LogVerbose(@"%@ - read from secure socket = %u", THIS_METHOD, (unsigned)bytesRead);
+			
+			if (bytesRead > 0)
+			{
+				[preBuffer didWrite:bytesRead];
+			}
+			
+			LogVerbose(@"%@ - prebuffer.length = %zu", THIS_METHOD, [preBuffer availableBytes]);
+			
+			if (result != noErr)
+			{
+				done = YES;
+			}
+			else
+			{
+				updateEstimatedBytesAvailable();
+			}
+			
+		} while (!done && estimatedBytesAvailable > 0);
+	}
+}
+
+- (void)doReadData
+{
+	LogTrace();
+	
+	// This method is called on the socketQueue.
+	// It might be called directly, or via the readSource when data is available to be read.
+	
+	if ((currentRead == nil) || (flags & kReadsPaused))
+	{
+		LogVerbose(@"No currentRead or kReadsPaused");
+		
+		// Unable to read at this time
+		
+		if (flags & kSocketSecure)
+		{
+			// Here's the situation:
+			// 
+			// We have an established secure connection.
+			// There may not be a currentRead, but there might be encrypted data sitting around for us.
+			// When the user does get around to issuing a read, that encrypted data will need to be decrypted.
+			// 
+			// So why make the user wait?
+			// We might as well get a head start on decrypting some data now.
+			// 
+			// The other reason we do this has to do with detecting a socket disconnection.
+			// The SSL/TLS protocol has it's own disconnection handshake.
+			// So when a secure socket is closed, a "goodbye" packet comes across the wire.
+			// We want to make sure we read the "goodbye" packet so we can properly detect the TCP disconnection.
+			
+			[self flushSSLBuffers];
+		}
+		
+		if ([self usingCFStreamForTLS])
+		{
+			// CFReadStream only fires once when there is available data.
+			// It won't fire again until we've invoked CFReadStreamRead.
+		}
+		else
+		{
+			// If the readSource is firing, we need to pause it
+			// or else it will continue to fire over and over again.
+			// 
+			// If the readSource is not firing,
+			// we want it to continue monitoring the socket.
+			
+			if (socketFDBytesAvailable > 0)
+			{
+				[self suspendReadSource];
+			}
+		}
+		return;
+	}
+	
+	BOOL hasBytesAvailable = NO;
+	unsigned long estimatedBytesAvailable = 0;
+	
+	if ([self usingCFStreamForTLS])
+	{
+		#if TARGET_OS_IPHONE
+		
+		// Requested CFStream, rather than SecureTransport, for TLS (via GCDAsyncSocketUseCFStreamForTLS)
+		
+		estimatedBytesAvailable = 0;
+		if ((flags & kSecureSocketHasBytesAvailable) && CFReadStreamHasBytesAvailable(readStream))
+			hasBytesAvailable = YES;
+		else
+			hasBytesAvailable = NO;
+		
+		#endif
+	}
+	else
+	{
+		estimatedBytesAvailable = socketFDBytesAvailable;
+		
+		if (flags & kSocketSecure)
+		{
+			// There are 2 buffers to be aware of here.
+			// 
+			// We are using SecureTransport, a TLS/SSL security layer which sits atop TCP.
+			// We issue a read to the SecureTranport API, which in turn issues a read to our SSLReadFunction.
+			// Our SSLReadFunction then reads from the BSD socket and returns the encrypted data to SecureTransport.
+			// SecureTransport then decrypts the data, and finally returns the decrypted data back to us.
+			// 
+			// The first buffer is one we create.
+			// SecureTransport often requests small amounts of data.
+			// This has to do with the encypted packets that are coming across the TCP stream.
+			// But it's non-optimal to do a bunch of small reads from the BSD socket.
+			// So our SSLReadFunction reads all available data from the socket (optimizing the sys call)
+			// and may store excess in the sslPreBuffer.
+			
+			estimatedBytesAvailable += [sslPreBuffer availableBytes];
+			
+			// The second buffer is within SecureTransport.
+			// As mentioned earlier, there are encrypted packets coming across the TCP stream.
+			// SecureTransport needs the entire packet to decrypt it.
+			// But if the entire packet produces X bytes of decrypted data,
+			// and we only asked SecureTransport for X/2 bytes of data,
+			// it must store the extra X/2 bytes of decrypted data for the next read.
+			// 
+			// The SSLGetBufferedReadSize function will tell us the size of this internal buffer.
+			// From the documentation:
+			// 
+			// "This function does not block or cause any low-level read operations to occur."
+			
+			size_t sslInternalBufSize = 0;
+			SSLGetBufferedReadSize(sslContext, &sslInternalBufSize);
+			
+			estimatedBytesAvailable += sslInternalBufSize;
+		}
+		
+		hasBytesAvailable = (estimatedBytesAvailable > 0);
+	}
+	
+	if ((hasBytesAvailable == NO) && ([preBuffer availableBytes] == 0))
+	{
+		LogVerbose(@"No data available to read...");
+		
+		// No data available to read.
+		
+		if (![self usingCFStreamForTLS])
+		{
+			// Need to wait for readSource to fire and notify us of
+			// available data in the socket's internal read buffer.
+			
+			[self resumeReadSource];
+		}
+		return;
+	}
+	
+	if (flags & kStartingReadTLS)
+	{
+		LogVerbose(@"Waiting for SSL/TLS handshake to complete");
+		
+		// The readQueue is waiting for SSL/TLS handshake to complete.
+		
+		if (flags & kStartingWriteTLS)
+		{
+			if ([self usingSecureTransportForTLS])
+			{
+				// We are in the process of a SSL Handshake.
+				// We were waiting for incoming data which has just arrived.
+				
+				[self ssl_continueSSLHandshake];
+			}
+		}
+		else
+		{
+			// We are still waiting for the writeQueue to drain and start the SSL/TLS process.
+			// We now know data is available to read.
+			
+			if (![self usingCFStreamForTLS])
+			{
+				// Suspend the read source or else it will continue to fire nonstop.
+				
+				[self suspendReadSource];
+			}
+		}
+		
+		return;
+	}
+	
+	BOOL done        = NO;  // Completed read operation
+	NSError *error   = nil; // Error occured
+	
+	NSUInteger totalBytesReadForCurrentRead = 0;
+	
+	// 
+	// STEP 1 - READ FROM PREBUFFER
+	// 
+	
+	if ([preBuffer availableBytes] > 0)
+	{
+		// There are 3 types of read packets:
+		// 
+		// 1) Read all available data.
+		// 2) Read a specific length of data.
+		// 3) Read up to a particular terminator.
+		
+		NSUInteger bytesToCopy;
+		
+		if (currentRead->term != nil)
+		{
+			// Read type #3 - read up to a terminator
+			
+			bytesToCopy = [currentRead readLengthForTermWithPreBuffer:preBuffer found:&done];
+		}
+		else
+		{
+			// Read type #1 or #2
+			
+			bytesToCopy = [currentRead readLengthForNonTermWithHint:[preBuffer availableBytes]];
+		}
+		
+		// Make sure we have enough room in the buffer for our read.
+		
+		[currentRead ensureCapacityForAdditionalDataOfLength:bytesToCopy];
+		
+		// Copy bytes from prebuffer into packet buffer
+		
+		uint8_t *buffer = (uint8_t *)[currentRead->buffer mutableBytes] + currentRead->startOffset +
+		                                                                  currentRead->bytesDone;
+		
+		memcpy(buffer, [preBuffer readBuffer], bytesToCopy);
+		
+		// Remove the copied bytes from the preBuffer
+		[preBuffer didRead:bytesToCopy];
+		
+		LogVerbose(@"copied(%lu) preBufferLength(%zu)", (unsigned long)bytesToCopy, [preBuffer availableBytes]);
+		
+		// Update totals
+		
+		currentRead->bytesDone += bytesToCopy;
+		totalBytesReadForCurrentRead += bytesToCopy;
+		
+		// Check to see if the read operation is done
+		
+		if (currentRead->readLength > 0)
+		{
+			// Read type #2 - read a specific length of data
+			
+			done = (currentRead->bytesDone == currentRead->readLength);
+		}
+		else if (currentRead->term != nil)
+		{
+			// Read type #3 - read up to a terminator
+			
+			// Our 'done' variable was updated via the readLengthForTermWithPreBuffer:found: method
+			
+			if (!done && currentRead->maxLength > 0)
+			{
+				// We're not done and there's a set maxLength.
+				// Have we reached that maxLength yet?
+				
+				if (currentRead->bytesDone >= currentRead->maxLength)
+				{
+					error = [self readMaxedOutError];
+				}
+			}
+		}
+		else
+		{
+			// Read type #1 - read all available data
+			// 
+			// We're done as soon as
+			// - we've read all available data (in prebuffer and socket)
+			// - we've read the maxLength of read packet.
+			
+			done = ((currentRead->maxLength > 0) && (currentRead->bytesDone == currentRead->maxLength));
+		}
+		
+	}
+	
+	// 
+	// STEP 2 - READ FROM SOCKET
+	// 
+	
+	BOOL socketEOF = (flags & kSocketHasReadEOF) ? YES : NO;  // Nothing more to read via socket (end of file)
+	BOOL waiting   = !done && !error && !socketEOF && !hasBytesAvailable; // Ran out of data, waiting for more
+	
+	if (!done && !error && !socketEOF && hasBytesAvailable)
+	{
+		NSAssert(([preBuffer availableBytes] == 0), @"Invalid logic");
+		
+		BOOL readIntoPreBuffer = NO;
+		uint8_t *buffer = NULL;
+		size_t bytesRead = 0;
+		
+		if (flags & kSocketSecure)
+		{
+			if ([self usingCFStreamForTLS])
+			{
+				#if TARGET_OS_IPHONE
+				
+				// Using CFStream, rather than SecureTransport, for TLS
+				
+				NSUInteger defaultReadLength = (1024 * 32);
+				
+				NSUInteger bytesToRead = [currentRead optimalReadLengthWithDefault:defaultReadLength
+				                                                   shouldPreBuffer:&readIntoPreBuffer];
+				
+				// Make sure we have enough room in the buffer for our read.
+				//
+				// We are either reading directly into the currentRead->buffer,
+				// or we're reading into the temporary preBuffer.
+				
+				if (readIntoPreBuffer)
+				{
+					[preBuffer ensureCapacityForWrite:bytesToRead];
+					
+					buffer = [preBuffer writeBuffer];
+				}
+				else
+				{
+					[currentRead ensureCapacityForAdditionalDataOfLength:bytesToRead];
+					
+					buffer = (uint8_t *)[currentRead->buffer mutableBytes]
+					       + currentRead->startOffset
+					       + currentRead->bytesDone;
+				}
+				
+				// Read data into buffer
+				
+				CFIndex result = CFReadStreamRead(readStream, buffer, (CFIndex)bytesToRead);
+				LogVerbose(@"CFReadStreamRead(): result = %i", (int)result);
+				
+				if (result < 0)
+				{
+					error = (__bridge_transfer NSError *)CFReadStreamCopyError(readStream);
+				}
+				else if (result == 0)
+				{
+					socketEOF = YES;
+				}
+				else
+				{
+					waiting = YES;
+					bytesRead = (size_t)result;
+				}
+				
+				// We only know how many decrypted bytes were read.
+				// The actual number of bytes read was likely more due to the overhead of the encryption.
+				// So we reset our flag, and rely on the next callback to alert us of more data.
+				flags &= ~kSecureSocketHasBytesAvailable;
+				
+				#endif
+			}
+			else
+			{
+				// Using SecureTransport for TLS
+				//
+				// We know:
+				// - how many bytes are available on the socket
+				// - how many encrypted bytes are sitting in the sslPreBuffer
+				// - how many decypted bytes are sitting in the sslContext
+				//
+				// But we do NOT know:
+				// - how many encypted bytes are sitting in the sslContext
+				//
+				// So we play the regular game of using an upper bound instead.
+				
+				NSUInteger defaultReadLength = (1024 * 32);
+				
+				if (defaultReadLength < estimatedBytesAvailable) {
+					defaultReadLength = estimatedBytesAvailable + (1024 * 16);
+				}
+				
+				NSUInteger bytesToRead = [currentRead optimalReadLengthWithDefault:defaultReadLength
+				                                                   shouldPreBuffer:&readIntoPreBuffer];
+				
+				if (bytesToRead > SIZE_MAX) { // NSUInteger may be bigger than size_t
+					bytesToRead = SIZE_MAX;
+				}
+				
+				// Make sure we have enough room in the buffer for our read.
+				//
+				// We are either reading directly into the currentRead->buffer,
+				// or we're reading into the temporary preBuffer.
+				
+				if (readIntoPreBuffer)
+				{
+					[preBuffer ensureCapacityForWrite:bytesToRead];
+					
+					buffer = [preBuffer writeBuffer];
+				}
+				else
+				{
+					[currentRead ensureCapacityForAdditionalDataOfLength:bytesToRead];
+					
+					buffer = (uint8_t *)[currentRead->buffer mutableBytes]
+					       + currentRead->startOffset
+					       + currentRead->bytesDone;
+				}
+				
+				// The documentation from Apple states:
+				// 
+				//     "a read operation might return errSSLWouldBlock,
+				//      indicating that less data than requested was actually transferred"
+				// 
+				// However, starting around 10.7, the function will sometimes return noErr,
+				// even if it didn't read as much data as requested. So we need to watch out for that.
+				
+				OSStatus result;
+				do
+				{
+					void *loop_buffer = buffer + bytesRead;
+					size_t loop_bytesToRead = (size_t)bytesToRead - bytesRead;
+					size_t loop_bytesRead = 0;
+					
+					result = SSLRead(sslContext, loop_buffer, loop_bytesToRead, &loop_bytesRead);
+					LogVerbose(@"read from secure socket = %u", (unsigned)loop_bytesRead);
+					
+					bytesRead += loop_bytesRead;
+					
+				} while ((result == noErr) && (bytesRead < bytesToRead));
+				
+				
+				if (result != noErr)
+				{
+					if (result == errSSLWouldBlock)
+						waiting = YES;
+					else
+					{
+						if (result == errSSLClosedGraceful || result == errSSLClosedAbort)
+						{
+							// We've reached the end of the stream.
+							// Handle this the same way we would an EOF from the socket.
+							socketEOF = YES;
+							sslErrCode = result;
+						}
+						else
+						{
+							error = [self sslError:result];
+						}
+					}
+					// It's possible that bytesRead > 0, even if the result was errSSLWouldBlock.
+					// This happens when the SSLRead function is able to read some data,
+					// but not the entire amount we requested.
+					
+					if (bytesRead <= 0)
+					{
+						bytesRead = 0;
+					}
+				}
+				
+				// Do not modify socketFDBytesAvailable.
+				// It will be updated via the SSLReadFunction().
+			}
+		}
+		else
+		{
+			// Normal socket operation
+			
+			NSUInteger bytesToRead;
+			
+			// There are 3 types of read packets:
+			//
+			// 1) Read all available data.
+			// 2) Read a specific length of data.
+			// 3) Read up to a particular terminator.
+			
+			if (currentRead->term != nil)
+			{
+				// Read type #3 - read up to a terminator
+				
+				bytesToRead = [currentRead readLengthForTermWithHint:estimatedBytesAvailable
+				                                     shouldPreBuffer:&readIntoPreBuffer];
+			}
+			else
+			{
+				// Read type #1 or #2
+				
+				bytesToRead = [currentRead readLengthForNonTermWithHint:estimatedBytesAvailable];
+			}
+			
+			if (bytesToRead > SIZE_MAX) { // NSUInteger may be bigger than size_t (read param 3)
+				bytesToRead = SIZE_MAX;
+			}
+			
+			// Make sure we have enough room in the buffer for our read.
+			//
+			// We are either reading directly into the currentRead->buffer,
+			// or we're reading into the temporary preBuffer.
+			
+			if (readIntoPreBuffer)
+			{
+				[preBuffer ensureCapacityForWrite:bytesToRead];
+				
+				buffer = [preBuffer writeBuffer];
+			}
+			else
+			{
+				[currentRead ensureCapacityForAdditionalDataOfLength:bytesToRead];
+				
+				buffer = (uint8_t *)[currentRead->buffer mutableBytes]
+				       + currentRead->startOffset
+				       + currentRead->bytesDone;
+			}
+			
+			// Read data into buffer
+			
+			int socketFD = (socket4FD == SOCKET_NULL) ? socket6FD : socket4FD;
+			
+			ssize_t result = read(socketFD, buffer, (size_t)bytesToRead);
+			LogVerbose(@"read from socket = %i", (int)result);
+			
+			if (result < 0)
+			{
+				if (errno == EWOULDBLOCK)
+					waiting = YES;
+				else
+					error = [self errnoErrorWithReason:@"Error in read() function"];
+				
+				socketFDBytesAvailable = 0;
+			}
+			else if (result == 0)
+			{
+				socketEOF = YES;
+				socketFDBytesAvailable = 0;
+			}
+			else
+			{
+				bytesRead = result;
+				
+				if (bytesRead < bytesToRead)
+				{
+					// The read returned less data than requested.
+					// This means socketFDBytesAvailable was a bit off due to timing,
+					// because we read from the socket right when the readSource event was firing.
+					socketFDBytesAvailable = 0;
+				}
+				else
+				{
+					if (socketFDBytesAvailable <= bytesRead)
+						socketFDBytesAvailable = 0;
+					else
+						socketFDBytesAvailable -= bytesRead;
+				}
+				
+				if (socketFDBytesAvailable == 0)
+				{
+					waiting = YES;
+				}
+			}
+		}
+		
+		if (bytesRead > 0)
+		{
+			// Check to see if the read operation is done
+			
+			if (currentRead->readLength > 0)
+			{
+				// Read type #2 - read a specific length of data
+				// 
+				// Note: We should never be using a prebuffer when we're reading a specific length of data.
+				
+				NSAssert(readIntoPreBuffer == NO, @"Invalid logic");
+				
+				currentRead->bytesDone += bytesRead;
+				totalBytesReadForCurrentRead += bytesRead;
+				
+				done = (currentRead->bytesDone == currentRead->readLength);
+			}
+			else if (currentRead->term != nil)
+			{
+				// Read type #3 - read up to a terminator
+				
+				if (readIntoPreBuffer)
+				{
+					// We just read a big chunk of data into the preBuffer
+					
+					[preBuffer didWrite:bytesRead];
+					LogVerbose(@"read data into preBuffer - preBuffer.length = %zu", [preBuffer availableBytes]);
+					
+					// Search for the terminating sequence
+					
+					NSUInteger bytesToCopy = [currentRead readLengthForTermWithPreBuffer:preBuffer found:&done];
+					LogVerbose(@"copying %lu bytes from preBuffer", (unsigned long)bytesToCopy);
+					
+					// Ensure there's room on the read packet's buffer
+					
+					[currentRead ensureCapacityForAdditionalDataOfLength:bytesToCopy];
+					
+					// Copy bytes from prebuffer into read buffer
+					
+					uint8_t *readBuf = (uint8_t *)[currentRead->buffer mutableBytes] + currentRead->startOffset
+					                                                                 + currentRead->bytesDone;
+					
+					memcpy(readBuf, [preBuffer readBuffer], bytesToCopy);
+					
+					// Remove the copied bytes from the prebuffer
+					[preBuffer didRead:bytesToCopy];
+					LogVerbose(@"preBuffer.length = %zu", [preBuffer availableBytes]);
+					
+					// Update totals
+					currentRead->bytesDone += bytesToCopy;
+					totalBytesReadForCurrentRead += bytesToCopy;
+					
+					// Our 'done' variable was updated via the readLengthForTermWithPreBuffer:found: method above
+				}
+				else
+				{
+					// We just read a big chunk of data directly into the packet's buffer.
+					// We need to move any overflow into the prebuffer.
+					
+					NSInteger overflow = [currentRead searchForTermAfterPreBuffering:bytesRead];
+					
+					if (overflow == 0)
+					{
+						// Perfect match!
+						// Every byte we read stays in the read buffer,
+						// and the last byte we read was the last byte of the term.
+						
+						currentRead->bytesDone += bytesRead;
+						totalBytesReadForCurrentRead += bytesRead;
+						done = YES;
+					}
+					else if (overflow > 0)
+					{
+						// The term was found within the data that we read,
+						// and there are extra bytes that extend past the end of the term.
+						// We need to move these excess bytes out of the read packet and into the prebuffer.
+						
+						NSInteger underflow = bytesRead - overflow;
+						
+						// Copy excess data into preBuffer
+						
+						LogVerbose(@"copying %ld overflow bytes into preBuffer", (long)overflow);
+						[preBuffer ensureCapacityForWrite:overflow];
+						
+						uint8_t *overflowBuffer = buffer + underflow;
+						memcpy([preBuffer writeBuffer], overflowBuffer, overflow);
+						
+						[preBuffer didWrite:overflow];
+						LogVerbose(@"preBuffer.length = %zu", [preBuffer availableBytes]);
+						
+						// Note: The completeCurrentRead method will trim the buffer for us.
+						
+						currentRead->bytesDone += underflow;
+						totalBytesReadForCurrentRead += underflow;
+						done = YES;
+					}
+					else
+					{
+						// The term was not found within the data that we read.
+						
+						currentRead->bytesDone += bytesRead;
+						totalBytesReadForCurrentRead += bytesRead;
+						done = NO;
+					}
+				}
+				
+				if (!done && currentRead->maxLength > 0)
+				{
+					// We're not done and there's a set maxLength.
+					// Have we reached that maxLength yet?
+					
+					if (currentRead->bytesDone >= currentRead->maxLength)
+					{
+						error = [self readMaxedOutError];
+					}
+				}
+			}
+			else
+			{
+				// Read type #1 - read all available data
+				
+				if (readIntoPreBuffer)
+				{
+					// We just read a chunk of data into the preBuffer
+					
+					[preBuffer didWrite:bytesRead];
+					
+					// Now copy the data into the read packet.
+					// 
+					// Recall that we didn't read directly into the packet's buffer to avoid
+					// over-allocating memory since we had no clue how much data was available to be read.
+					// 
+					// Ensure there's room on the read packet's buffer
+					
+					[currentRead ensureCapacityForAdditionalDataOfLength:bytesRead];
+					
+					// Copy bytes from prebuffer into read buffer
+					
+					uint8_t *readBuf = (uint8_t *)[currentRead->buffer mutableBytes] + currentRead->startOffset
+					                                                                 + currentRead->bytesDone;
+					
+					memcpy(readBuf, [preBuffer readBuffer], bytesRead);
+					
+					// Remove the copied bytes from the prebuffer
+					[preBuffer didRead:bytesRead];
+					
+					// Update totals
+					currentRead->bytesDone += bytesRead;
+					totalBytesReadForCurrentRead += bytesRead;
+				}
+				else
+				{
+					currentRead->bytesDone += bytesRead;
+					totalBytesReadForCurrentRead += bytesRead;
+				}
+				
+				done = YES;
+			}
+			
+		} // if (bytesRead > 0)
+		
+	} // if (!done && !error && !socketEOF && hasBytesAvailable)
+	
+	
+	if (!done && currentRead->readLength == 0 && currentRead->term == nil)
+	{
+		// Read type #1 - read all available data
+		// 
+		// We might arrive here if we read data from the prebuffer but not from the socket.
+		
+		done = (totalBytesReadForCurrentRead > 0);
+	}
+	
+	// Check to see if we're done, or if we've made progress
+	
+	if (done)
+	{
+		[self completeCurrentRead];
+		
+		if (!error && (!socketEOF || [preBuffer availableBytes] > 0))
+		{
+			[self maybeDequeueRead];
+		}
+	}
+	else if (totalBytesReadForCurrentRead > 0)
+	{
+		// We're not done read type #2 or #3 yet, but we have read in some bytes
+
+		__strong id theDelegate = delegate;
+		
+		if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didReadPartialDataOfLength:tag:)])
+		{
+			long theReadTag = currentRead->tag;
+			
+			dispatch_async(delegateQueue, ^{ @autoreleasepool {
+				
+				[theDelegate socket:self didReadPartialDataOfLength:totalBytesReadForCurrentRead tag:theReadTag];
+			}});
+		}
+	}
+	
+	// Check for errors
+	
+	if (error)
+	{
+		[self closeWithError:error];
+	}
+	else if (socketEOF)
+	{
+		[self doReadEOF];
+	}
+	else if (waiting)
+	{
+		if (![self usingCFStreamForTLS])
+		{
+			// Monitor the socket for readability (if we're not already doing so)
+			[self resumeReadSource];
+		}
+	}
+	
+	// Do not add any code here without first adding return statements in the error cases above.
+}
+
+- (void)doReadEOF
+{
+	LogTrace();
+	
+	// This method may be called more than once.
+	// If the EOF is read while there is still data in the preBuffer,
+	// then this method may be called continually after invocations of doReadData to see if it's time to disconnect.
+	
+	flags |= kSocketHasReadEOF;
+	
+	if (flags & kSocketSecure)
+	{
+		// If the SSL layer has any buffered data, flush it into the preBuffer now.
+		
+		[self flushSSLBuffers];
+	}
+	
+	BOOL shouldDisconnect = NO;
+	NSError *error = nil;
+	
+	if ((flags & kStartingReadTLS) || (flags & kStartingWriteTLS))
+	{
+		// We received an EOF during or prior to startTLS.
+		// The SSL/TLS handshake is now impossible, so this is an unrecoverable situation.
+		
+		shouldDisconnect = YES;
+		
+		if ([self usingSecureTransportForTLS])
+		{
+			error = [self sslError:errSSLClosedAbort];
+		}
+	}
+	else if (flags & kReadStreamClosed)
+	{
+		// The preBuffer has already been drained.
+		// The config allows half-duplex connections.
+		// We've previously checked the socket, and it appeared writeable.
+		// So we marked the read stream as closed and notified the delegate.
+		// 
+		// As per the half-duplex contract, the socket will be closed when a write fails,
+		// or when the socket is manually closed.
+		
+		shouldDisconnect = NO;
+	}
+	else if ([preBuffer availableBytes] > 0)
+	{
+		LogVerbose(@"Socket reached EOF, but there is still data available in prebuffer");
+		
+		// Although we won't be able to read any more data from the socket,
+		// there is existing data that has been prebuffered that we can read.
+		
+		shouldDisconnect = NO;
+	}
+	else if (config & kAllowHalfDuplexConnection)
+	{
+		// We just received an EOF (end of file) from the socket's read stream.
+		// This means the remote end of the socket (the peer we're connected to)
+		// has explicitly stated that it will not be sending us any more data.
+		// 
+		// Query the socket to see if it is still writeable. (Perhaps the peer will continue reading data from us)
+		
+		int socketFD = (socket4FD == SOCKET_NULL) ? socket6FD : socket4FD;
+		
+		struct pollfd pfd[1];
+		pfd[0].fd = socketFD;
+		pfd[0].events = POLLOUT;
+		pfd[0].revents = 0;
+		
+		poll(pfd, 1, 0);
+		
+		if (pfd[0].revents & POLLOUT)
+		{
+			// Socket appears to still be writeable
+			
+			shouldDisconnect = NO;
+			flags |= kReadStreamClosed;
+			
+			// Notify the delegate that we're going half-duplex
+			
+			__strong id theDelegate = delegate;
+
+			if (delegateQueue && [theDelegate respondsToSelector:@selector(socketDidCloseReadStream:)])
+			{
+				dispatch_async(delegateQueue, ^{ @autoreleasepool {
+					
+					[theDelegate socketDidCloseReadStream:self];
+				}});
+			}
+		}
+		else
+		{
+			shouldDisconnect = YES;
+		}
+	}
+	else
+	{
+		shouldDisconnect = YES;
+	}
+	
+	
+	if (shouldDisconnect)
+	{
+		if (error == nil)
+		{
+			if ([self usingSecureTransportForTLS])
+			{
+				if (sslErrCode != noErr && sslErrCode != errSSLClosedGraceful)
+				{
+					error = [self sslError:sslErrCode];
+				}
+				else
+				{
+					error = [self connectionClosedError];
+				}
+			}
+			else
+			{
+				error = [self connectionClosedError];
+			}
+		}
+		[self closeWithError:error];
+	}
+	else
+	{
+		if (![self usingCFStreamForTLS])
+		{
+			// Suspend the read source (if needed)
+			
+			[self suspendReadSource];
+		}
+	}
+}
+
+- (void)completeCurrentRead
+{
+	LogTrace();
+	
+	NSAssert(currentRead, @"Trying to complete current read when there is no current read.");
+	
+	
+	NSData *result = nil;
+	
+	if (currentRead->bufferOwner)
+	{
+		// We created the buffer on behalf of the user.
+		// Trim our buffer to be the proper size.
+		[currentRead->buffer setLength:currentRead->bytesDone];
+		
+		result = currentRead->buffer;
+	}
+	else
+	{
+		// We did NOT create the buffer.
+		// The buffer is owned by the caller.
+		// Only trim the buffer if we had to increase its size.
+		
+		if ([currentRead->buffer length] > currentRead->originalBufferLength)
+		{
+			NSUInteger readSize = currentRead->startOffset + currentRead->bytesDone;
+			NSUInteger origSize = currentRead->originalBufferLength;
+			
+			NSUInteger buffSize = MAX(readSize, origSize);
+			
+			[currentRead->buffer setLength:buffSize];
+		}
+		
+		uint8_t *buffer = (uint8_t *)[currentRead->buffer mutableBytes] + currentRead->startOffset;
+		
+		result = [NSData dataWithBytesNoCopy:buffer length:currentRead->bytesDone freeWhenDone:NO];
+	}
+	
+	__strong id theDelegate = delegate;
+
+	if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didReadData:withTag:)])
+	{
+		GCDAsyncReadPacket *theRead = currentRead; // Ensure currentRead retained since result may not own buffer
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate socket:self didReadData:result withTag:theRead->tag];
+		}});
+	}
+	
+	[self endCurrentRead];
+}
+
+- (void)endCurrentRead
+{
+	if (readTimer)
+	{
+		dispatch_source_cancel(readTimer);
+		readTimer = NULL;
+	}
+	
+	currentRead = nil;
+}
+
+- (void)setupReadTimerWithTimeout:(NSTimeInterval)timeout
+{
+	if (timeout >= 0.0)
+	{
+		readTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, socketQueue);
+		
+		__weak GCDAsyncSocket *weakSelf = self;
+		
+		dispatch_source_set_event_handler(readTimer, ^{ @autoreleasepool {
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			__strong GCDAsyncSocket *strongSelf = weakSelf;
+			if (strongSelf == nil) return_from_block;
+			
+			[strongSelf doReadTimeout];
+			
+		#pragma clang diagnostic pop
+		}});
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theReadTimer = readTimer;
+		dispatch_source_set_cancel_handler(readTimer, ^{
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			LogVerbose(@"dispatch_release(readTimer)");
+			dispatch_release(theReadTimer);
+			
+		#pragma clang diagnostic pop
+		});
+		#endif
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeout * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(readTimer, tt, DISPATCH_TIME_FOREVER, 0);
+		dispatch_resume(readTimer);
+	}
+}
+
+- (void)doReadTimeout
+{
+	// This is a little bit tricky.
+	// Ideally we'd like to synchronously query the delegate about a timeout extension.
+	// But if we do so synchronously we risk a possible deadlock.
+	// So instead we have to do so asynchronously, and callback to ourselves from within the delegate block.
+	
+	flags |= kReadsPaused;
+	
+	__strong id theDelegate = delegate;
+
+	if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:shouldTimeoutReadWithTag:elapsed:bytesDone:)])
+	{
+		GCDAsyncReadPacket *theRead = currentRead;
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			NSTimeInterval timeoutExtension = 0.0;
+			
+			timeoutExtension = [theDelegate socket:self shouldTimeoutReadWithTag:theRead->tag
+			                                                             elapsed:theRead->timeout
+			                                                           bytesDone:theRead->bytesDone];
+			
+			dispatch_async(socketQueue, ^{ @autoreleasepool {
+				
+				[self doReadTimeoutWithExtension:timeoutExtension];
+			}});
+		}});
+	}
+	else
+	{
+		[self doReadTimeoutWithExtension:0.0];
+	}
+}
+
+- (void)doReadTimeoutWithExtension:(NSTimeInterval)timeoutExtension
+{
+	if (currentRead)
+	{
+		if (timeoutExtension > 0.0)
+		{
+			currentRead->timeout += timeoutExtension;
+			
+			// Reschedule the timer
+			dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeoutExtension * NSEC_PER_SEC));
+			dispatch_source_set_timer(readTimer, tt, DISPATCH_TIME_FOREVER, 0);
+			
+			// Unpause reads, and continue
+			flags &= ~kReadsPaused;
+			[self doReadData];
+		}
+		else
+		{
+			LogVerbose(@"ReadTimeout");
+			
+			[self closeWithError:[self readTimeoutError]];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Writing
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)writeData:(NSData *)data withTimeout:(NSTimeInterval)timeout tag:(long)tag
+{
+	if ([data length] == 0) return;
+	
+	GCDAsyncWritePacket *packet = [[GCDAsyncWritePacket alloc] initWithData:data timeout:timeout tag:tag];
+	
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		LogTrace();
+		
+		if ((flags & kSocketStarted) && !(flags & kForbidReadsWrites))
+		{
+			[writeQueue addObject:packet];
+			[self maybeDequeueWrite];
+		}
+	}});
+	
+	// Do not rely on the block being run in order to release the packet,
+	// as the queue might get released without the block completing.
+}
+
+- (float)progressOfWriteReturningTag:(long *)tagPtr bytesDone:(NSUInteger *)donePtr total:(NSUInteger *)totalPtr
+{
+	__block float result = 0.0F;
+	
+	dispatch_block_t block = ^{
+		
+		if (!currentWrite || ![currentWrite isKindOfClass:[GCDAsyncWritePacket class]])
+		{
+			// We're not writing anything right now.
+			
+			if (tagPtr != NULL)   *tagPtr = 0;
+			if (donePtr != NULL)  *donePtr = 0;
+			if (totalPtr != NULL) *totalPtr = 0;
+			
+			result = NAN;
+		}
+		else
+		{
+			NSUInteger done = currentWrite->bytesDone;
+			NSUInteger total = [currentWrite->buffer length];
+			
+			if (tagPtr != NULL)   *tagPtr = currentWrite->tag;
+			if (donePtr != NULL)  *donePtr = done;
+			if (totalPtr != NULL) *totalPtr = total;
+			
+			result = (float)done / (float)total;
+		}
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+	
+	return result;
+}
+
+/**
+ * Conditionally starts a new write.
+ * 
+ * It is called when:
+ * - a user requests a write
+ * - after a write request has finished (to handle the next request)
+ * - immediately after the socket opens to handle any pending requests
+ * 
+ * This method also handles auto-disconnect post read/write completion.
+**/
+- (void)maybeDequeueWrite
+{
+	LogTrace();
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	
+	// If we're not currently processing a write AND we have an available write stream
+	if ((currentWrite == nil) && (flags & kConnected))
+	{
+		if ([writeQueue count] > 0)
+		{
+			// Dequeue the next object in the write queue
+			currentWrite = [writeQueue objectAtIndex:0];
+			[writeQueue removeObjectAtIndex:0];
+			
+			
+			if ([currentWrite isKindOfClass:[GCDAsyncSpecialPacket class]])
+			{
+				LogVerbose(@"Dequeued GCDAsyncSpecialPacket");
+				
+				// Attempt to start TLS
+				flags |= kStartingWriteTLS;
+				
+				// This method won't do anything unless both kStartingReadTLS and kStartingWriteTLS are set
+				[self maybeStartTLS];
+			}
+			else
+			{
+				LogVerbose(@"Dequeued GCDAsyncWritePacket");
+				
+				// Setup write timer (if needed)
+				[self setupWriteTimerWithTimeout:currentWrite->timeout];
+				
+				// Immediately write, if possible
+				[self doWriteData];
+			}
+		}
+		else if (flags & kDisconnectAfterWrites)
+		{
+			if (flags & kDisconnectAfterReads)
+			{
+				if (([readQueue count] == 0) && (currentRead == nil))
+				{
+					[self closeWithError:nil];
+				}
+			}
+			else
+			{
+				[self closeWithError:nil];
+			}
+		}
+	}
+}
+
+- (void)doWriteData
+{
+	LogTrace();
+	
+	// This method is called by the writeSource via the socketQueue
+	
+	if ((currentWrite == nil) || (flags & kWritesPaused))
+	{
+		LogVerbose(@"No currentWrite or kWritesPaused");
+		
+		// Unable to write at this time
+		
+		if ([self usingCFStreamForTLS])
+		{
+			// CFWriteStream only fires once when there is available data.
+			// It won't fire again until we've invoked CFWriteStreamWrite.
+		}
+		else
+		{
+			// If the writeSource is firing, we need to pause it
+			// or else it will continue to fire over and over again.
+			
+			if (flags & kSocketCanAcceptBytes)
+			{
+				[self suspendWriteSource];
+			}
+		}
+		return;
+	}
+	
+	if (!(flags & kSocketCanAcceptBytes))
+	{
+		LogVerbose(@"No space available to write...");
+		
+		// No space available to write.
+		
+		if (![self usingCFStreamForTLS])
+		{
+			// Need to wait for writeSource to fire and notify us of
+			// available space in the socket's internal write buffer.
+			
+			[self resumeWriteSource];
+		}
+		return;
+	}
+	
+	if (flags & kStartingWriteTLS)
+	{
+		LogVerbose(@"Waiting for SSL/TLS handshake to complete");
+		
+		// The writeQueue is waiting for SSL/TLS handshake to complete.
+		
+		if (flags & kStartingReadTLS)
+		{
+			if ([self usingSecureTransportForTLS])
+			{
+				// We are in the process of a SSL Handshake.
+				// We were waiting for available space in the socket's internal OS buffer to continue writing.
+			
+				[self ssl_continueSSLHandshake];
+			}
+		}
+		else
+		{
+			// We are still waiting for the readQueue to drain and start the SSL/TLS process.
+			// We now know we can write to the socket.
+			
+			if (![self usingCFStreamForTLS])
+			{
+				// Suspend the write source or else it will continue to fire nonstop.
+				
+				[self suspendWriteSource];
+			}
+		}
+		
+		return;
+	}
+	
+	// Note: This method is not called if currentWrite is a GCDAsyncSpecialPacket (startTLS packet)
+	
+	BOOL waiting = NO;
+	NSError *error = nil;
+	size_t bytesWritten = 0;
+	
+	if (flags & kSocketSecure)
+	{
+		if ([self usingCFStreamForTLS])
+		{
+			#if TARGET_OS_IPHONE
+			
+			// 
+			// Writing data using CFStream (over internal TLS)
+			// 
+			
+			const uint8_t *buffer = (const uint8_t *)[currentWrite->buffer bytes] + currentWrite->bytesDone;
+			
+			NSUInteger bytesToWrite = [currentWrite->buffer length] - currentWrite->bytesDone;
+			
+			if (bytesToWrite > SIZE_MAX) // NSUInteger may be bigger than size_t (write param 3)
+			{
+				bytesToWrite = SIZE_MAX;
+			}
+		
+			CFIndex result = CFWriteStreamWrite(writeStream, buffer, (CFIndex)bytesToWrite);
+			LogVerbose(@"CFWriteStreamWrite(%lu) = %li", (unsigned long)bytesToWrite, result);
+		
+			if (result < 0)
+			{
+				error = (__bridge_transfer NSError *)CFWriteStreamCopyError(writeStream);
+			}
+			else
+			{
+				bytesWritten = (size_t)result;
+				
+				// We always set waiting to true in this scenario.
+				// CFStream may have altered our underlying socket to non-blocking.
+				// Thus if we attempt to write without a callback, we may end up blocking our queue.
+				waiting = YES;
+			}
+			
+			#endif
+		}
+		else
+		{
+			// We're going to use the SSLWrite function.
+			// 
+			// OSStatus SSLWrite(SSLContextRef context, const void *data, size_t dataLength, size_t *processed)
+			// 
+			// Parameters:
+			// context     - An SSL session context reference.
+			// data        - A pointer to the buffer of data to write.
+			// dataLength  - The amount, in bytes, of data to write.
+			// processed   - On return, the length, in bytes, of the data actually written.
+			// 
+			// It sounds pretty straight-forward,
+			// but there are a few caveats you should be aware of.
+			// 
+			// The SSLWrite method operates in a non-obvious (and rather annoying) manner.
+			// According to the documentation:
+			// 
+			//   Because you may configure the underlying connection to operate in a non-blocking manner,
+			//   a write operation might return errSSLWouldBlock, indicating that less data than requested
+			//   was actually transferred. In this case, you should repeat the call to SSLWrite until some
+			//   other result is returned.
+			// 
+			// This sounds perfect, but when our SSLWriteFunction returns errSSLWouldBlock,
+			// then the SSLWrite method returns (with the proper errSSLWouldBlock return value),
+			// but it sets processed to dataLength !!
+			// 
+			// In other words, if the SSLWrite function doesn't completely write all the data we tell it to,
+			// then it doesn't tell us how many bytes were actually written. So, for example, if we tell it to
+			// write 256 bytes then it might actually write 128 bytes, but then report 0 bytes written.
+			// 
+			// You might be wondering:
+			// If the SSLWrite function doesn't tell us how many bytes were written,
+			// then how in the world are we supposed to update our parameters (buffer & bytesToWrite)
+			// for the next time we invoke SSLWrite?
+			// 
+			// The answer is that SSLWrite cached all the data we told it to write,
+			// and it will push out that data next time we call SSLWrite.
+			// If we call SSLWrite with new data, it will push out the cached data first, and then the new data.
+			// If we call SSLWrite with empty data, then it will simply push out the cached data.
+			// 
+			// For this purpose we're going to break large writes into a series of smaller writes.
+			// This allows us to report progress back to the delegate.
+			
+			OSStatus result;
+			
+			BOOL hasCachedDataToWrite = (sslWriteCachedLength > 0);
+			BOOL hasNewDataToWrite = YES;
+			
+			if (hasCachedDataToWrite)
+			{
+				size_t processed = 0;
+				
+				result = SSLWrite(sslContext, NULL, 0, &processed);
+				
+				if (result == noErr)
+				{
+					bytesWritten = sslWriteCachedLength;
+					sslWriteCachedLength = 0;
+					
+					if ([currentWrite->buffer length] == (currentWrite->bytesDone + bytesWritten))
+					{
+						// We've written all data for the current write.
+						hasNewDataToWrite = NO;
+					}
+				}
+				else
+				{
+					if (result == errSSLWouldBlock)
+					{
+						waiting = YES;
+					}
+					else
+					{
+						error = [self sslError:result];
+					}
+					
+					// Can't write any new data since we were unable to write the cached data.
+					hasNewDataToWrite = NO;
+				}
+			}
+			
+			if (hasNewDataToWrite)
+			{
+				const uint8_t *buffer = (const uint8_t *)[currentWrite->buffer bytes]
+				                                        + currentWrite->bytesDone
+				                                        + bytesWritten;
+				
+				NSUInteger bytesToWrite = [currentWrite->buffer length] - currentWrite->bytesDone - bytesWritten;
+				
+				if (bytesToWrite > SIZE_MAX) // NSUInteger may be bigger than size_t (write param 3)
+				{
+					bytesToWrite = SIZE_MAX;
+				}
+				
+				size_t bytesRemaining = bytesToWrite;
+				
+				BOOL keepLooping = YES;
+				while (keepLooping)
+				{
+					const size_t sslMaxBytesToWrite = 32768;
+					size_t sslBytesToWrite = MIN(bytesRemaining, sslMaxBytesToWrite);
+					size_t sslBytesWritten = 0;
+					
+					result = SSLWrite(sslContext, buffer, sslBytesToWrite, &sslBytesWritten);
+					
+					if (result == noErr)
+					{
+						buffer += sslBytesWritten;
+						bytesWritten += sslBytesWritten;
+						bytesRemaining -= sslBytesWritten;
+						
+						keepLooping = (bytesRemaining > 0);
+					}
+					else
+					{
+						if (result == errSSLWouldBlock)
+						{
+							waiting = YES;
+							sslWriteCachedLength = sslBytesToWrite;
+						}
+						else
+						{
+							error = [self sslError:result];
+						}
+						
+						keepLooping = NO;
+					}
+					
+				} // while (keepLooping)
+				
+			} // if (hasNewDataToWrite)
+		}
+	}
+	else
+	{
+		// 
+		// Writing data directly over raw socket
+		// 
+		
+		int socketFD = (socket4FD == SOCKET_NULL) ? socket6FD : socket4FD;
+		
+		const uint8_t *buffer = (const uint8_t *)[currentWrite->buffer bytes] + currentWrite->bytesDone;
+		
+		NSUInteger bytesToWrite = [currentWrite->buffer length] - currentWrite->bytesDone;
+		
+		if (bytesToWrite > SIZE_MAX) // NSUInteger may be bigger than size_t (write param 3)
+		{
+			bytesToWrite = SIZE_MAX;
+		}
+		
+		ssize_t result = write(socketFD, buffer, (size_t)bytesToWrite);
+		LogVerbose(@"wrote to socket = %zd", result);
+		
+		// Check results
+		if (result < 0)
+		{
+			if (errno == EWOULDBLOCK)
+			{
+				waiting = YES;
+			}
+			else
+			{
+				error = [self errnoErrorWithReason:@"Error in write() function"];
+			}
+		}
+		else
+		{
+			bytesWritten = result;
+		}
+	}
+	
+	// We're done with our writing.
+	// If we explictly ran into a situation where the socket told us there was no room in the buffer,
+	// then we immediately resume listening for notifications.
+	// 
+	// We must do this before we dequeue another write,
+	// as that may in turn invoke this method again.
+	// 
+	// Note that if CFStream is involved, it may have maliciously put our socket in blocking mode.
+	
+	if (waiting)
+	{
+		flags &= ~kSocketCanAcceptBytes;
+		
+		if (![self usingCFStreamForTLS])
+		{
+			[self resumeWriteSource];
+		}
+	}
+	
+	// Check our results
+	
+	BOOL done = NO;
+	
+	if (bytesWritten > 0)
+	{
+		// Update total amount read for the current write
+		currentWrite->bytesDone += bytesWritten;
+		LogVerbose(@"currentWrite->bytesDone = %lu", (unsigned long)currentWrite->bytesDone);
+		
+		// Is packet done?
+		done = (currentWrite->bytesDone == [currentWrite->buffer length]);
+	}
+	
+	if (done)
+	{
+		[self completeCurrentWrite];
+		
+		if (!error)
+		{
+			dispatch_async(socketQueue, ^{ @autoreleasepool{
+				
+				[self maybeDequeueWrite];
+			}});
+		}
+	}
+	else
+	{
+		// We were unable to finish writing the data,
+		// so we're waiting for another callback to notify us of available space in the lower-level output buffer.
+		
+		if (!waiting && !error)
+		{
+			// This would be the case if our write was able to accept some data, but not all of it.
+			
+			flags &= ~kSocketCanAcceptBytes;
+			
+			if (![self usingCFStreamForTLS])
+			{
+				[self resumeWriteSource];
+			}
+		}
+		
+		if (bytesWritten > 0)
+		{
+			// We're not done with the entire write, but we have written some bytes
+			
+			__strong id theDelegate = delegate;
+
+			if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didWritePartialDataOfLength:tag:)])
+			{
+				long theWriteTag = currentWrite->tag;
+				
+				dispatch_async(delegateQueue, ^{ @autoreleasepool {
+					
+					[theDelegate socket:self didWritePartialDataOfLength:bytesWritten tag:theWriteTag];
+				}});
+			}
+		}
+	}
+	
+	// Check for errors
+	
+	if (error)
+	{
+		[self closeWithError:[self errnoErrorWithReason:@"Error in write() function"]];
+	}
+	
+	// Do not add any code here without first adding a return statement in the error case above.
+}
+
+- (void)completeCurrentWrite
+{
+	LogTrace();
+	
+	NSAssert(currentWrite, @"Trying to complete current write when there is no current write.");
+	
+
+	__strong id theDelegate = delegate;
+	
+	if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didWriteDataWithTag:)])
+	{
+		long theWriteTag = currentWrite->tag;
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			[theDelegate socket:self didWriteDataWithTag:theWriteTag];
+		}});
+	}
+	
+	[self endCurrentWrite];
+}
+
+- (void)endCurrentWrite
+{
+	if (writeTimer)
+	{
+		dispatch_source_cancel(writeTimer);
+		writeTimer = NULL;
+	}
+	
+	currentWrite = nil;
+}
+
+- (void)setupWriteTimerWithTimeout:(NSTimeInterval)timeout
+{
+	if (timeout >= 0.0)
+	{
+		writeTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, socketQueue);
+		
+		__weak GCDAsyncSocket *weakSelf = self;
+		
+		dispatch_source_set_event_handler(writeTimer, ^{ @autoreleasepool {
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			__strong GCDAsyncSocket *strongSelf = weakSelf;
+			if (strongSelf == nil) return_from_block;
+			
+			[strongSelf doWriteTimeout];
+			
+		#pragma clang diagnostic pop
+		}});
+		
+		#if !OS_OBJECT_USE_OBJC
+		dispatch_source_t theWriteTimer = writeTimer;
+		dispatch_source_set_cancel_handler(writeTimer, ^{
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			LogVerbose(@"dispatch_release(writeTimer)");
+			dispatch_release(theWriteTimer);
+			
+		#pragma clang diagnostic pop
+		});
+		#endif
+		
+		dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeout * NSEC_PER_SEC));
+		
+		dispatch_source_set_timer(writeTimer, tt, DISPATCH_TIME_FOREVER, 0);
+		dispatch_resume(writeTimer);
+	}
+}
+
+- (void)doWriteTimeout
+{
+	// This is a little bit tricky.
+	// Ideally we'd like to synchronously query the delegate about a timeout extension.
+	// But if we do so synchronously we risk a possible deadlock.
+	// So instead we have to do so asynchronously, and callback to ourselves from within the delegate block.
+	
+	flags |= kWritesPaused;
+	
+	__strong id theDelegate = delegate;
+
+	if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:shouldTimeoutWriteWithTag:elapsed:bytesDone:)])
+	{
+		GCDAsyncWritePacket *theWrite = currentWrite;
+		
+		dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+			NSTimeInterval timeoutExtension = 0.0;
+			
+			timeoutExtension = [theDelegate socket:self shouldTimeoutWriteWithTag:theWrite->tag
+			                                                              elapsed:theWrite->timeout
+			                                                            bytesDone:theWrite->bytesDone];
+			
+			dispatch_async(socketQueue, ^{ @autoreleasepool {
+				
+				[self doWriteTimeoutWithExtension:timeoutExtension];
+			}});
+		}});
+	}
+	else
+	{
+		[self doWriteTimeoutWithExtension:0.0];
+	}
+}
+
+- (void)doWriteTimeoutWithExtension:(NSTimeInterval)timeoutExtension
+{
+	if (currentWrite)
+	{
+		if (timeoutExtension > 0.0)
+		{
+			currentWrite->timeout += timeoutExtension;
+			
+			// Reschedule the timer
+			dispatch_time_t tt = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeoutExtension * NSEC_PER_SEC));
+			dispatch_source_set_timer(writeTimer, tt, DISPATCH_TIME_FOREVER, 0);
+			
+			// Unpause writes, and continue
+			flags &= ~kWritesPaused;
+			[self doWriteData];
+		}
+		else
+		{
+			LogVerbose(@"WriteTimeout");
+			
+			[self closeWithError:[self writeTimeoutError]];
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Security
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)startTLS:(NSDictionary *)tlsSettings
+{
+	LogTrace();
+	
+	if (tlsSettings == nil)
+    {
+        // Passing nil/NULL to CFReadStreamSetProperty will appear to work the same as passing an empty dictionary,
+        // but causes problems if we later try to fetch the remote host's certificate.
+        // 
+        // To be exact, it causes the following to return NULL instead of the normal result:
+        // CFReadStreamCopyProperty(readStream, kCFStreamPropertySSLPeerCertificates)
+        // 
+        // So we use an empty dictionary instead, which works perfectly.
+        
+        tlsSettings = [NSDictionary dictionary];
+    }
+	
+	GCDAsyncSpecialPacket *packet = [[GCDAsyncSpecialPacket alloc] initWithTLSSettings:tlsSettings];
+	
+	dispatch_async(socketQueue, ^{ @autoreleasepool {
+		
+		if ((flags & kSocketStarted) && !(flags & kQueuedTLS) && !(flags & kForbidReadsWrites))
+		{
+			[readQueue addObject:packet];
+			[writeQueue addObject:packet];
+			
+			flags |= kQueuedTLS;
+			
+			[self maybeDequeueRead];
+			[self maybeDequeueWrite];
+		}
+	}});
+	
+}
+
+- (void)maybeStartTLS
+{
+	// We can't start TLS until:
+	// - All queued reads prior to the user calling startTLS are complete
+	// - All queued writes prior to the user calling startTLS are complete
+	// 
+	// We'll know these conditions are met when both kStartingReadTLS and kStartingWriteTLS are set
+	
+	if ((flags & kStartingReadTLS) && (flags & kStartingWriteTLS))
+	{
+		BOOL useSecureTransport = YES;
+		
+		#if TARGET_OS_IPHONE
+		{
+			GCDAsyncSpecialPacket *tlsPacket = (GCDAsyncSpecialPacket *)currentRead;
+			NSDictionary *tlsSettings = tlsPacket->tlsSettings;
+			
+			NSNumber *value = [tlsSettings objectForKey:GCDAsyncSocketUseCFStreamForTLS];
+			if (value && [value boolValue] == YES)
+				useSecureTransport = NO;
+		}
+		#endif
+		
+		if (useSecureTransport)
+		{
+			[self ssl_startTLS];
+		}
+		else
+		{
+		#if TARGET_OS_IPHONE
+			[self cf_startTLS];
+		#endif
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Security via SecureTransport
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (OSStatus)sslReadWithBuffer:(void *)buffer length:(size_t *)bufferLength
+{
+	LogVerbose(@"sslReadWithBuffer:%p length:%lu", buffer, (unsigned long)*bufferLength);
+	
+	if ((socketFDBytesAvailable == 0) && ([sslPreBuffer availableBytes] == 0))
+	{
+		LogVerbose(@"%@ - No data available to read...", THIS_METHOD);
+		
+		// No data available to read.
+		// 
+		// Need to wait for readSource to fire and notify us of
+		// available data in the socket's internal read buffer.
+		
+		[self resumeReadSource];
+		
+		*bufferLength = 0;
+		return errSSLWouldBlock;
+	}
+	
+	size_t totalBytesRead = 0;
+	size_t totalBytesLeftToBeRead = *bufferLength;
+	
+	BOOL done = NO;
+	BOOL socketError = NO;
+	
+	// 
+	// STEP 1 : READ FROM SSL PRE BUFFER
+	// 
+	
+	size_t sslPreBufferLength = [sslPreBuffer availableBytes];
+	
+	if (sslPreBufferLength > 0)
+	{
+		LogVerbose(@"%@: Reading from SSL pre buffer...", THIS_METHOD);
+		
+		size_t bytesToCopy;
+		if (sslPreBufferLength > totalBytesLeftToBeRead)
+			bytesToCopy = totalBytesLeftToBeRead;
+		else
+			bytesToCopy = sslPreBufferLength;
+		
+		LogVerbose(@"%@: Copying %zu bytes from sslPreBuffer", THIS_METHOD, bytesToCopy);
+		
+		memcpy(buffer, [sslPreBuffer readBuffer], bytesToCopy);
+		[sslPreBuffer didRead:bytesToCopy];
+		
+		LogVerbose(@"%@: sslPreBuffer.length = %zu", THIS_METHOD, [sslPreBuffer availableBytes]);
+		
+		totalBytesRead += bytesToCopy;
+		totalBytesLeftToBeRead -= bytesToCopy;
+		
+		done = (totalBytesLeftToBeRead == 0);
+		
+		if (done) LogVerbose(@"%@: Complete", THIS_METHOD);
+	}
+	
+	// 
+	// STEP 2 : READ FROM SOCKET
+	// 
+	
+	if (!done && (socketFDBytesAvailable > 0))
+	{
+		LogVerbose(@"%@: Reading from socket...", THIS_METHOD);
+		
+		int socketFD = (socket6FD == SOCKET_NULL) ? socket4FD : socket6FD;
+		
+		BOOL readIntoPreBuffer;
+		size_t bytesToRead;
+		uint8_t *buf;
+		
+		if (socketFDBytesAvailable > totalBytesLeftToBeRead)
+		{
+			// Read all available data from socket into sslPreBuffer.
+			// Then copy requested amount into dataBuffer.
+			
+			LogVerbose(@"%@: Reading into sslPreBuffer...", THIS_METHOD);
+			
+			[sslPreBuffer ensureCapacityForWrite:socketFDBytesAvailable];
+			
+			readIntoPreBuffer = YES;
+			bytesToRead = (size_t)socketFDBytesAvailable;
+			buf = [sslPreBuffer writeBuffer];
+		}
+		else
+		{
+			// Read available data from socket directly into dataBuffer.
+			
+			LogVerbose(@"%@: Reading directly into dataBuffer...", THIS_METHOD);
+			
+			readIntoPreBuffer = NO;
+			bytesToRead = totalBytesLeftToBeRead;
+			buf = (uint8_t *)buffer + totalBytesRead;
+		}
+		
+		ssize_t result = read(socketFD, buf, bytesToRead);
+		LogVerbose(@"%@: read from socket = %zd", THIS_METHOD, result);
+		
+		if (result < 0)
+		{
+			LogVerbose(@"%@: read errno = %i", THIS_METHOD, errno);
+			
+			if (errno != EWOULDBLOCK)
+			{
+				socketError = YES;
+			}
+			
+			socketFDBytesAvailable = 0;
+		}
+		else if (result == 0)
+		{
+			LogVerbose(@"%@: read EOF", THIS_METHOD);
+			
+			socketError = YES;
+			socketFDBytesAvailable = 0;
+		}
+		else
+		{
+			size_t bytesReadFromSocket = result;
+			
+			if (socketFDBytesAvailable > bytesReadFromSocket)
+				socketFDBytesAvailable -= bytesReadFromSocket;
+			else
+				socketFDBytesAvailable = 0;
+			
+			if (readIntoPreBuffer)
+			{
+				[sslPreBuffer didWrite:bytesReadFromSocket];
+				
+				size_t bytesToCopy = MIN(totalBytesLeftToBeRead, bytesReadFromSocket);
+				
+				LogVerbose(@"%@: Copying %zu bytes out of sslPreBuffer", THIS_METHOD, bytesToCopy);
+				
+				memcpy((uint8_t *)buffer + totalBytesRead, [sslPreBuffer readBuffer], bytesToCopy);
+				[sslPreBuffer didRead:bytesToCopy];
+				
+				totalBytesRead += bytesToCopy;
+				totalBytesLeftToBeRead -= bytesToCopy;
+				
+				LogVerbose(@"%@: sslPreBuffer.length = %zu", THIS_METHOD, [sslPreBuffer availableBytes]);
+			}
+			else
+			{
+				totalBytesRead += bytesReadFromSocket;
+				totalBytesLeftToBeRead -= bytesReadFromSocket;
+			}
+			
+			done = (totalBytesLeftToBeRead == 0);
+			
+			if (done) LogVerbose(@"%@: Complete", THIS_METHOD);
+		}
+	}
+	
+	*bufferLength = totalBytesRead;
+	
+	if (done)
+		return noErr;
+	
+	if (socketError)
+		return errSSLClosedAbort;
+	
+	return errSSLWouldBlock;
+}
+
+- (OSStatus)sslWriteWithBuffer:(const void *)buffer length:(size_t *)bufferLength
+{
+	if (!(flags & kSocketCanAcceptBytes))
+	{
+		// Unable to write.
+		// 
+		// Need to wait for writeSource to fire and notify us of
+		// available space in the socket's internal write buffer.
+		
+		[self resumeWriteSource];
+		
+		*bufferLength = 0;
+		return errSSLWouldBlock;
+	}
+	
+	size_t bytesToWrite = *bufferLength;
+	size_t bytesWritten = 0;
+	
+	BOOL done = NO;
+	BOOL socketError = NO;
+	
+	int socketFD = (socket4FD == SOCKET_NULL) ? socket6FD : socket4FD;
+	
+	ssize_t result = write(socketFD, buffer, bytesToWrite);
+	
+	if (result < 0)
+	{
+		if (errno != EWOULDBLOCK)
+		{
+			socketError = YES;
+		}
+		
+		flags &= ~kSocketCanAcceptBytes;
+	}
+	else if (result == 0)
+	{
+		flags &= ~kSocketCanAcceptBytes;
+	}
+	else
+	{
+		bytesWritten = result;
+		
+		done = (bytesWritten == bytesToWrite);
+	}
+	
+	*bufferLength = bytesWritten;
+	
+	if (done)
+		return noErr;
+	
+	if (socketError)
+		return errSSLClosedAbort;
+	
+	return errSSLWouldBlock;
+}
+
+static OSStatus SSLReadFunction(SSLConnectionRef connection, void *data, size_t *dataLength)
+{
+	GCDAsyncSocket *asyncSocket = (__bridge GCDAsyncSocket *)connection;
+	
+	NSCAssert(dispatch_get_specific(asyncSocket->IsOnSocketQueueOrTargetQueueKey), @"What the deuce?");
+	
+	return [asyncSocket sslReadWithBuffer:data length:dataLength];
+}
+
+static OSStatus SSLWriteFunction(SSLConnectionRef connection, const void *data, size_t *dataLength)
+{
+	GCDAsyncSocket *asyncSocket = (__bridge GCDAsyncSocket *)connection;
+	
+	NSCAssert(dispatch_get_specific(asyncSocket->IsOnSocketQueueOrTargetQueueKey), @"What the deuce?");
+	
+	return [asyncSocket sslWriteWithBuffer:data length:dataLength];
+}
+
+- (void)ssl_startTLS
+{
+	LogTrace();
+	
+	LogVerbose(@"Starting TLS (via SecureTransport)...");
+	
+	OSStatus status;
+	
+	GCDAsyncSpecialPacket *tlsPacket = (GCDAsyncSpecialPacket *)currentRead;
+	if (tlsPacket == nil) // Code to quiet the analyzer
+	{
+		NSAssert(NO, @"Logic error");
+		
+		[self closeWithError:[self otherError:@"Logic error"]];
+		return;
+	}
+	NSDictionary *tlsSettings = tlsPacket->tlsSettings;
+	
+	// Create SSLContext, and setup IO callbacks and connection ref
+	
+	BOOL isServer = [[tlsSettings objectForKey:(NSString *)kCFStreamSSLIsServer] boolValue];
+	
+	#if TARGET_OS_IPHONE || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1080)
+	{
+		if (isServer)
+			sslContext = SSLCreateContext(kCFAllocatorDefault, kSSLServerSide, kSSLStreamType);
+		else
+			sslContext = SSLCreateContext(kCFAllocatorDefault, kSSLClientSide, kSSLStreamType);
+		
+		if (sslContext == NULL)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLCreateContext"]];
+			return;
+		}
+	}
+	#else // (__MAC_OS_X_VERSION_MIN_REQUIRED < 1080)
+	{
+		status = SSLNewContext(isServer, &sslContext);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLNewContext"]];
+			return;
+		}
+	}
+	#endif
+	
+	status = SSLSetIOFuncs(sslContext, &SSLReadFunction, &SSLWriteFunction);
+	if (status != noErr)
+	{
+		[self closeWithError:[self otherError:@"Error in SSLSetIOFuncs"]];
+		return;
+	}
+	
+	status = SSLSetConnection(sslContext, (__bridge SSLConnectionRef)self);
+	if (status != noErr)
+	{
+		[self closeWithError:[self otherError:@"Error in SSLSetConnection"]];
+		return;
+	}
+
+
+	BOOL shouldManuallyEvaluateTrust = [[tlsSettings objectForKey:GCDAsyncSocketManuallyEvaluateTrust] boolValue];
+	if (shouldManuallyEvaluateTrust)
+	{
+		if (isServer)
+		{
+			[self closeWithError:[self otherError:@"Manual trust validation is not supported for server sockets"]];
+			return;
+		}
+		
+		status = SSLSetSessionOption(sslContext, kSSLSessionOptionBreakOnServerAuth, true);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetSessionOption"]];
+			return;
+		}
+		
+		#if !TARGET_OS_IPHONE && (__MAC_OS_X_VERSION_MIN_REQUIRED < 1080)
+		
+		// Note from Apple's documentation:
+		//
+		// It is only necessary to call SSLSetEnableCertVerify on the Mac prior to OS X 10.8.
+		// On OS X 10.8 and later setting kSSLSessionOptionBreakOnServerAuth always disables the
+		// built-in trust evaluation. All versions of iOS behave like OS X 10.8 and thus
+		// SSLSetEnableCertVerify is not available on that platform at all.
+		
+		status = SSLSetEnableCertVerify(sslContext, NO);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetEnableCertVerify"]];
+			return;
+		}
+		
+		#endif
+	}
+
+	// Configure SSLContext from given settings
+	// 
+	// Checklist:
+	//  1. kCFStreamSSLPeerName
+	//  2. kCFStreamSSLCertificates
+	//  3. GCDAsyncSocketSSLPeerID
+	//  4. GCDAsyncSocketSSLProtocolVersionMin
+	//  5. GCDAsyncSocketSSLProtocolVersionMax
+	//  6. GCDAsyncSocketSSLSessionOptionFalseStart
+	//  7. GCDAsyncSocketSSLSessionOptionSendOneByteRecord
+	//  8. GCDAsyncSocketSSLCipherSuites
+	//  9. GCDAsyncSocketSSLDiffieHellmanParameters (Mac)
+	//
+	// Deprecated (throw error):
+	// 10. kCFStreamSSLAllowsAnyRoot
+	// 11. kCFStreamSSLAllowsExpiredRoots
+	// 12. kCFStreamSSLAllowsExpiredCertificates
+	// 13. kCFStreamSSLValidatesCertificateChain
+	// 14. kCFStreamSSLLevel
+	
+	id value;
+	
+	// 1. kCFStreamSSLPeerName
+	
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLPeerName];
+	if ([value isKindOfClass:[NSString class]])
+	{
+		NSString *peerName = (NSString *)value;
+		
+		const char *peer = [peerName UTF8String];
+		size_t peerLen = strlen(peer);
+		
+		status = SSLSetPeerDomainName(sslContext, peer, peerLen);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetPeerDomainName"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for kCFStreamSSLPeerName. Value must be of type NSString.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for kCFStreamSSLPeerName."]];
+		return;
+	}
+	
+	// 2. kCFStreamSSLCertificates
+	
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLCertificates];
+	if ([value isKindOfClass:[NSArray class]])
+	{
+		CFArrayRef certs = (__bridge CFArrayRef)value;
+		
+		status = SSLSetCertificate(sslContext, certs);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetCertificate"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for kCFStreamSSLCertificates. Value must be of type NSArray.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for kCFStreamSSLCertificates."]];
+		return;
+	}
+	
+	// 3. GCDAsyncSocketSSLPeerID
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLPeerID];
+	if ([value isKindOfClass:[NSData class]])
+	{
+		NSData *peerIdData = (NSData *)value;
+		
+		status = SSLSetPeerID(sslContext, [peerIdData bytes], [peerIdData length]);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetPeerID"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLPeerID. Value must be of type NSData."
+		             @" (You can convert strings to data using a method like"
+		             @" [string dataUsingEncoding:NSUTF8StringEncoding])");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLPeerID."]];
+		return;
+	}
+	
+	// 4. GCDAsyncSocketSSLProtocolVersionMin
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLProtocolVersionMin];
+	if ([value isKindOfClass:[NSNumber class]])
+	{
+		SSLProtocol minProtocol = (SSLProtocol)[(NSNumber *)value intValue];
+		if (minProtocol != kSSLProtocolUnknown)
+		{
+			status = SSLSetProtocolVersionMin(sslContext, minProtocol);
+			if (status != noErr)
+			{
+				[self closeWithError:[self otherError:@"Error in SSLSetProtocolVersionMin"]];
+				return;
+			}
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLProtocolVersionMin. Value must be of type NSNumber.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLProtocolVersionMin."]];
+		return;
+	}
+	
+	// 5. GCDAsyncSocketSSLProtocolVersionMax
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLProtocolVersionMax];
+	if ([value isKindOfClass:[NSNumber class]])
+	{
+		SSLProtocol maxProtocol = (SSLProtocol)[(NSNumber *)value intValue];
+		if (maxProtocol != kSSLProtocolUnknown)
+		{
+			status = SSLSetProtocolVersionMax(sslContext, maxProtocol);
+			if (status != noErr)
+			{
+				[self closeWithError:[self otherError:@"Error in SSLSetProtocolVersionMax"]];
+				return;
+			}
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLProtocolVersionMax. Value must be of type NSNumber.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLProtocolVersionMax."]];
+		return;
+	}
+	
+	// 6. GCDAsyncSocketSSLSessionOptionFalseStart
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLSessionOptionFalseStart];
+	if ([value isKindOfClass:[NSNumber class]])
+	{
+		status = SSLSetSessionOption(sslContext, kSSLSessionOptionFalseStart, [value boolValue]);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetSessionOption (kSSLSessionOptionFalseStart)"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLSessionOptionFalseStart. Value must be of type NSNumber.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLSessionOptionFalseStart."]];
+		return;
+	}
+	
+	// 7. GCDAsyncSocketSSLSessionOptionSendOneByteRecord
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLSessionOptionSendOneByteRecord];
+	if ([value isKindOfClass:[NSNumber class]])
+	{
+		status = SSLSetSessionOption(sslContext, kSSLSessionOptionSendOneByteRecord, [value boolValue]);
+		if (status != noErr)
+		{
+			[self closeWithError:
+			  [self otherError:@"Error in SSLSetSessionOption (kSSLSessionOptionSendOneByteRecord)"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLSessionOptionSendOneByteRecord."
+		             @" Value must be of type NSNumber.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLSessionOptionSendOneByteRecord."]];
+		return;
+	}
+	
+	// 8. GCDAsyncSocketSSLCipherSuites
+	
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLCipherSuites];
+	if ([value isKindOfClass:[NSArray class]])
+	{
+		NSArray *cipherSuites = (NSArray *)value;
+		NSUInteger numberCiphers = [cipherSuites count];
+		SSLCipherSuite ciphers[numberCiphers];
+		
+		NSUInteger cipherIndex;
+		for (cipherIndex = 0; cipherIndex < numberCiphers; cipherIndex++)
+		{
+			NSNumber *cipherObject = [cipherSuites objectAtIndex:cipherIndex];
+			ciphers[cipherIndex] = [cipherObject shortValue];
+		}
+		
+		status = SSLSetEnabledCiphers(sslContext, ciphers, numberCiphers);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetEnabledCiphers"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLCipherSuites. Value must be of type NSArray.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLCipherSuites."]];
+		return;
+	}
+	
+	// 9. GCDAsyncSocketSSLDiffieHellmanParameters
+	
+	#if !TARGET_OS_IPHONE
+	value = [tlsSettings objectForKey:GCDAsyncSocketSSLDiffieHellmanParameters];
+	if ([value isKindOfClass:[NSData class]])
+	{
+		NSData *diffieHellmanData = (NSData *)value;
+		
+		status = SSLSetDiffieHellmanParams(sslContext, [diffieHellmanData bytes], [diffieHellmanData length]);
+		if (status != noErr)
+		{
+			[self closeWithError:[self otherError:@"Error in SSLSetDiffieHellmanParams"]];
+			return;
+		}
+	}
+	else if (value)
+	{
+		NSAssert(NO, @"Invalid value for GCDAsyncSocketSSLDiffieHellmanParameters. Value must be of type NSData.");
+		
+		[self closeWithError:[self otherError:@"Invalid value for GCDAsyncSocketSSLDiffieHellmanParameters."]];
+		return;
+	}
+	#endif
+	
+	// DEPRECATED checks
+	
+	// 10. kCFStreamSSLAllowsAnyRoot
+	
+	#pragma clang diagnostic push
+	#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLAllowsAnyRoot];
+	#pragma clang diagnostic pop
+	if (value)
+	{
+		NSAssert(NO, @"Security option unavailable - kCFStreamSSLAllowsAnyRoot"
+		             @" - You must use manual trust evaluation");
+		
+		[self closeWithError:[self otherError:@"Security option unavailable - kCFStreamSSLAllowsAnyRoot"]];
+		return;
+	}
+	
+	// 11. kCFStreamSSLAllowsExpiredRoots
+	
+	#pragma clang diagnostic push
+	#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLAllowsExpiredRoots];
+	#pragma clang diagnostic pop
+	if (value)
+	{
+		NSAssert(NO, @"Security option unavailable - kCFStreamSSLAllowsExpiredRoots"
+		             @" - You must use manual trust evaluation");
+		
+		[self closeWithError:[self otherError:@"Security option unavailable - kCFStreamSSLAllowsExpiredRoots"]];
+		return;
+	}
+	
+	// 12. kCFStreamSSLValidatesCertificateChain
+	
+	#pragma clang diagnostic push
+	#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLValidatesCertificateChain];
+	#pragma clang diagnostic pop
+	if (value)
+	{
+		NSAssert(NO, @"Security option unavailable - kCFStreamSSLValidatesCertificateChain"
+		             @" - You must use manual trust evaluation");
+		
+		[self closeWithError:[self otherError:@"Security option unavailable - kCFStreamSSLValidatesCertificateChain"]];
+		return;
+	}
+	
+	// 13. kCFStreamSSLAllowsExpiredCertificates
+	
+	#pragma clang diagnostic push
+	#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLAllowsExpiredCertificates];
+	#pragma clang diagnostic pop
+	if (value)
+	{
+		NSAssert(NO, @"Security option unavailable - kCFStreamSSLAllowsExpiredCertificates"
+		             @" - You must use manual trust evaluation");
+		
+		[self closeWithError:[self otherError:@"Security option unavailable - kCFStreamSSLAllowsExpiredCertificates"]];
+		return;
+	}
+	
+	// 14. kCFStreamSSLLevel
+	
+	#pragma clang diagnostic push
+	#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+	value = [tlsSettings objectForKey:(NSString *)kCFStreamSSLLevel];
+	#pragma clang diagnostic pop
+	if (value)
+	{
+		NSAssert(NO, @"Security option unavailable - kCFStreamSSLLevel"
+		             @" - You must use GCDAsyncSocketSSLProtocolVersionMin & GCDAsyncSocketSSLProtocolVersionMax");
+		
+		[self closeWithError:[self otherError:@"Security option unavailable - kCFStreamSSLLevel"]];
+		return;
+	}
+	
+	// Setup the sslPreBuffer
+	// 
+	// Any data in the preBuffer needs to be moved into the sslPreBuffer,
+	// as this data is now part of the secure read stream.
+	
+	sslPreBuffer = [[GCDAsyncSocketPreBuffer alloc] initWithCapacity:(1024 * 4)];
+	
+	size_t preBufferLength  = [preBuffer availableBytes];
+	
+	if (preBufferLength > 0)
+	{
+		[sslPreBuffer ensureCapacityForWrite:preBufferLength];
+		
+		memcpy([sslPreBuffer writeBuffer], [preBuffer readBuffer], preBufferLength);
+		[preBuffer didRead:preBufferLength];
+		[sslPreBuffer didWrite:preBufferLength];
+	}
+	
+	sslErrCode = noErr;
+	
+	// Start the SSL Handshake process
+	
+	[self ssl_continueSSLHandshake];
+}
+
+- (void)ssl_continueSSLHandshake
+{
+	LogTrace();
+	
+	// If the return value is noErr, the session is ready for normal secure communication.
+	// If the return value is errSSLWouldBlock, the SSLHandshake function must be called again.
+	// If the return value is errSSLServerAuthCompleted, we ask delegate if we should trust the
+	// server and then call SSLHandshake again to resume the handshake or close the connection
+	// errSSLPeerBadCert SSL error.
+	// Otherwise, the return value indicates an error code.
+	
+	OSStatus status = SSLHandshake(sslContext);
+	
+	if (status == noErr)
+	{
+		LogVerbose(@"SSLHandshake complete");
+		
+		flags &= ~kStartingReadTLS;
+		flags &= ~kStartingWriteTLS;
+		
+		flags |=  kSocketSecure;
+		
+		__strong id theDelegate = delegate;
+
+		if (delegateQueue && [theDelegate respondsToSelector:@selector(socketDidSecure:)])
+		{
+			dispatch_async(delegateQueue, ^{ @autoreleasepool {
+				
+				[theDelegate socketDidSecure:self];
+			}});
+		}
+		
+		[self endCurrentRead];
+		[self endCurrentWrite];
+		
+		[self maybeDequeueRead];
+		[self maybeDequeueWrite];
+	}
+	else if (status == errSSLPeerAuthCompleted)
+	{
+		LogVerbose(@"SSLHandshake peerAuthCompleted - awaiting delegate approval");
+		
+		__block SecTrustRef trust = NULL;
+		status = SSLCopyPeerTrust(sslContext, &trust);
+		if (status != noErr)
+		{
+			[self closeWithError:[self sslError:status]];
+			return;
+		}
+		
+		int aStateIndex = stateIndex;
+		dispatch_queue_t theSocketQueue = socketQueue;
+		
+		__weak GCDAsyncSocket *weakSelf = self;
+		
+		void (^comletionHandler)(BOOL) = ^(BOOL shouldTrust){ @autoreleasepool {
+		#pragma clang diagnostic push
+		#pragma clang diagnostic warning "-Wimplicit-retain-self"
+			
+			dispatch_async(theSocketQueue, ^{ @autoreleasepool {
+				
+				if (trust) {
+					CFRelease(trust);
+					trust = NULL;
+				}
+				
+				__strong GCDAsyncSocket *strongSelf = weakSelf;
+				if (strongSelf)
+				{
+					[strongSelf ssl_shouldTrustPeer:shouldTrust stateIndex:aStateIndex];
+				}
+			}});
+			
+		#pragma clang diagnostic pop
+		}};
+		
+		__strong id theDelegate = delegate;
+		
+		if (delegateQueue && [theDelegate respondsToSelector:@selector(socket:didReceiveTrust:completionHandler:)])
+		{
+			dispatch_async(delegateQueue, ^{ @autoreleasepool {
+			
+				[theDelegate socket:self didReceiveTrust:trust completionHandler:comletionHandler];
+			}});
+		}
+		else
+		{
+			if (trust) {
+				CFRelease(trust);
+				trust = NULL;
+			}
+			
+			NSString *msg = @"GCDAsyncSocketManuallyEvaluateTrust specified in tlsSettings,"
+			                @" but delegate doesn't implement socket:shouldTrustPeer:";
+			
+			[self closeWithError:[self otherError:msg]];
+			return;
+		}
+	}
+	else if (status == errSSLWouldBlock)
+	{
+		LogVerbose(@"SSLHandshake continues...");
+		
+		// Handshake continues...
+		// 
+		// This method will be called again from doReadData or doWriteData.
+	}
+	else
+	{
+		[self closeWithError:[self sslError:status]];
+	}
+}
+
+- (void)ssl_shouldTrustPeer:(BOOL)shouldTrust stateIndex:(int)aStateIndex
+{
+	LogTrace();
+	
+	if (aStateIndex != stateIndex)
+	{
+		LogInfo(@"Ignoring ssl_shouldTrustPeer - invalid state (maybe disconnected)");
+		
+		// One of the following is true
+		// - the socket was disconnected
+		// - the startTLS operation timed out
+		// - the completionHandler was already invoked once
+		
+		return;
+	}
+	
+	// Increment stateIndex to ensure completionHandler can only be called once.
+	stateIndex++;
+	
+	if (shouldTrust)
+	{
+		[self ssl_continueSSLHandshake];
+	}
+	else
+	{
+		[self closeWithError:[self sslError:errSSLPeerBadCert]];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Security via CFStream
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_OS_IPHONE
+
+- (void)cf_finishSSLHandshake
+{
+	LogTrace();
+	
+	if ((flags & kStartingReadTLS) && (flags & kStartingWriteTLS))
+	{
+		flags &= ~kStartingReadTLS;
+		flags &= ~kStartingWriteTLS;
+		
+		flags |= kSocketSecure;
+		
+		__strong id theDelegate = delegate;
+
+		if (delegateQueue && [theDelegate respondsToSelector:@selector(socketDidSecure:)])
+		{
+			dispatch_async(delegateQueue, ^{ @autoreleasepool {
+				
+				[theDelegate socketDidSecure:self];
+			}});
+		}
+		
+		[self endCurrentRead];
+		[self endCurrentWrite];
+		
+		[self maybeDequeueRead];
+		[self maybeDequeueWrite];
+	}
+}
+
+- (void)cf_abortSSLHandshake:(NSError *)error
+{
+	LogTrace();
+	
+	if ((flags & kStartingReadTLS) && (flags & kStartingWriteTLS))
+	{
+		flags &= ~kStartingReadTLS;
+		flags &= ~kStartingWriteTLS;
+		
+		[self closeWithError:error];
+	}
+}
+
+- (void)cf_startTLS
+{
+	LogTrace();
+	
+	LogVerbose(@"Starting TLS (via CFStream)...");
+	
+	if ([preBuffer availableBytes] > 0)
+	{
+		NSString *msg = @"Invalid TLS transition. Handshake has already been read from socket.";
+		
+		[self closeWithError:[self otherError:msg]];
+		return;
+	}
+	
+	[self suspendReadSource];
+	[self suspendWriteSource];
+	
+	socketFDBytesAvailable = 0;
+	flags &= ~kSocketCanAcceptBytes;
+	flags &= ~kSecureSocketHasBytesAvailable;
+	
+	flags |=  kUsingCFStreamForTLS;
+	
+	if (![self createReadAndWriteStream])
+	{
+		[self closeWithError:[self otherError:@"Error in CFStreamCreatePairWithSocket"]];
+		return;
+	}
+	
+	if (![self registerForStreamCallbacksIncludingReadWrite:YES])
+	{
+		[self closeWithError:[self otherError:@"Error in CFStreamSetClient"]];
+		return;
+	}
+	
+	if (![self addStreamsToRunLoop])
+	{
+		[self closeWithError:[self otherError:@"Error in CFStreamScheduleWithRunLoop"]];
+		return;
+	}
+	
+	NSAssert([currentRead isKindOfClass:[GCDAsyncSpecialPacket class]], @"Invalid read packet for startTLS");
+	NSAssert([currentWrite isKindOfClass:[GCDAsyncSpecialPacket class]], @"Invalid write packet for startTLS");
+	
+	GCDAsyncSpecialPacket *tlsPacket = (GCDAsyncSpecialPacket *)currentRead;
+	CFDictionaryRef tlsSettings = (__bridge CFDictionaryRef)tlsPacket->tlsSettings;
+	
+	// Getting an error concerning kCFStreamPropertySSLSettings ?
+	// You need to add the CFNetwork framework to your iOS application.
+	
+	BOOL r1 = CFReadStreamSetProperty(readStream, kCFStreamPropertySSLSettings, tlsSettings);
+	BOOL r2 = CFWriteStreamSetProperty(writeStream, kCFStreamPropertySSLSettings, tlsSettings);
+	
+	// For some reason, starting around the time of iOS 4.3,
+	// the first call to set the kCFStreamPropertySSLSettings will return true,
+	// but the second will return false.
+	// 
+	// Order doesn't seem to matter.
+	// So you could call CFReadStreamSetProperty and then CFWriteStreamSetProperty, or you could reverse the order.
+	// Either way, the first call will return true, and the second returns false.
+	// 
+	// Interestingly, this doesn't seem to affect anything.
+	// Which is not altogether unusual, as the documentation seems to suggest that (for many settings)
+	// setting it on one side of the stream automatically sets it for the other side of the stream.
+	// 
+	// Although there isn't anything in the documentation to suggest that the second attempt would fail.
+	// 
+	// Furthermore, this only seems to affect streams that are negotiating a security upgrade.
+	// In other words, the socket gets connected, there is some back-and-forth communication over the unsecure
+	// connection, and then a startTLS is issued.
+	// So this mostly affects newer protocols (XMPP, IMAP) as opposed to older protocols (HTTPS).
+	
+	if (!r1 && !r2) // Yes, the && is correct - workaround for apple bug.
+	{
+		[self closeWithError:[self otherError:@"Error in CFStreamSetProperty"]];
+		return;
+	}
+	
+	if (![self openStreams])
+	{
+		[self closeWithError:[self otherError:@"Error in CFStreamOpen"]];
+		return;
+	}
+	
+	LogVerbose(@"Waiting for SSL Handshake to complete...");
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark CFStream
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_OS_IPHONE
+
++ (void)ignore:(id)_
+{}
+
++ (void)startCFStreamThreadIfNeeded
+{
+	LogTrace();
+	
+	static dispatch_once_t predicate;
+	dispatch_once(&predicate, ^{
+		
+		cfstreamThreadRetainCount = 0;
+		cfstreamThreadSetupQueue = dispatch_queue_create("GCDAsyncSocket-CFStreamThreadSetup", DISPATCH_QUEUE_SERIAL);
+	});
+	
+	dispatch_sync(cfstreamThreadSetupQueue, ^{ @autoreleasepool {
+		
+		if (++cfstreamThreadRetainCount == 1)
+		{
+			cfstreamThread = [[NSThread alloc] initWithTarget:self
+			                                         selector:@selector(cfstreamThread)
+			                                           object:nil];
+			[cfstreamThread start];
+		}
+	}});
+}
+
++ (void)stopCFStreamThreadIfNeeded
+{
+	LogTrace();
+	
+	// The creation of the cfstreamThread is relatively expensive.
+	// So we'd like to keep it available for recycling.
+	// However, there's a tradeoff here, because it shouldn't remain alive forever.
+	// So what we're going to do is use a little delay before taking it down.
+	// This way it can be reused properly in situations where multiple sockets are continually in flux.
+	
+	int delayInSeconds = 30;
+	dispatch_time_t when = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
+	dispatch_after(when, cfstreamThreadSetupQueue, ^{ @autoreleasepool {
+	#pragma clang diagnostic push
+	#pragma clang diagnostic warning "-Wimplicit-retain-self"
+		
+		if (cfstreamThreadRetainCount == 0)
+		{
+			LogWarn(@"Logic error concerning cfstreamThread start / stop");
+			return_from_block;
+		}
+		
+		if (--cfstreamThreadRetainCount == 0)
+		{
+			[cfstreamThread cancel]; // set isCancelled flag
+			
+			// wake up the thread
+			[GCDAsyncSocket performSelector:@selector(ignore:)
+			                       onThread:cfstreamThread
+			                     withObject:[NSNull null]
+			                  waitUntilDone:NO];
+			
+			cfstreamThread = nil;
+		}
+		
+	#pragma clang diagnostic pop
+	}});
+}
+
++ (void)cfstreamThread { @autoreleasepool
+{
+	[[NSThread currentThread] setName:GCDAsyncSocketThreadName];
+	
+	LogInfo(@"CFStreamThread: Started");
+	
+	// We can't run the run loop unless it has an associated input source or a timer.
+	// So we'll just create a timer that will never fire - unless the server runs for decades.
+	[NSTimer scheduledTimerWithTimeInterval:[[NSDate distantFuture] timeIntervalSinceNow]
+	                                 target:self
+	                               selector:@selector(ignore:)
+	                               userInfo:nil
+	                                repeats:YES];
+	
+	NSThread *currentThread = [NSThread currentThread];
+	NSRunLoop *currentRunLoop = [NSRunLoop currentRunLoop];
+	
+	BOOL isCancelled = [currentThread isCancelled];
+	
+	while (!isCancelled && [currentRunLoop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]])
+	{
+		isCancelled = [currentThread isCancelled];
+	}
+	
+	LogInfo(@"CFStreamThread: Stopped");
+}}
+
++ (void)scheduleCFStreams:(GCDAsyncSocket *)asyncSocket
+{
+	LogTrace();
+	NSAssert([NSThread currentThread] == cfstreamThread, @"Invoked on wrong thread");
+	
+	CFRunLoopRef runLoop = CFRunLoopGetCurrent();
+	
+	if (asyncSocket->readStream)
+		CFReadStreamScheduleWithRunLoop(asyncSocket->readStream, runLoop, kCFRunLoopDefaultMode);
+	
+	if (asyncSocket->writeStream)
+		CFWriteStreamScheduleWithRunLoop(asyncSocket->writeStream, runLoop, kCFRunLoopDefaultMode);
+}
+
++ (void)unscheduleCFStreams:(GCDAsyncSocket *)asyncSocket
+{
+	LogTrace();
+	NSAssert([NSThread currentThread] == cfstreamThread, @"Invoked on wrong thread");
+	
+	CFRunLoopRef runLoop = CFRunLoopGetCurrent();
+	
+	if (asyncSocket->readStream)
+		CFReadStreamUnscheduleFromRunLoop(asyncSocket->readStream, runLoop, kCFRunLoopDefaultMode);
+	
+	if (asyncSocket->writeStream)
+		CFWriteStreamUnscheduleFromRunLoop(asyncSocket->writeStream, runLoop, kCFRunLoopDefaultMode);
+}
+
+static void CFReadStreamCallback (CFReadStreamRef stream, CFStreamEventType type, void *pInfo)
+{
+	GCDAsyncSocket *asyncSocket = (__bridge GCDAsyncSocket *)pInfo;
+	
+	switch(type)
+	{
+		case kCFStreamEventHasBytesAvailable:
+		{
+			dispatch_async(asyncSocket->socketQueue, ^{ @autoreleasepool {
+				
+				LogCVerbose(@"CFReadStreamCallback - HasBytesAvailable");
+				
+				if (asyncSocket->readStream != stream)
+					return_from_block;
+				
+				if ((asyncSocket->flags & kStartingReadTLS) && (asyncSocket->flags & kStartingWriteTLS))
+				{
+					// If we set kCFStreamPropertySSLSettings before we opened the streams, this might be a lie.
+					// (A callback related to the tcp stream, but not to the SSL layer).
+					
+					if (CFReadStreamHasBytesAvailable(asyncSocket->readStream))
+					{
+						asyncSocket->flags |= kSecureSocketHasBytesAvailable;
+						[asyncSocket cf_finishSSLHandshake];
+					}
+				}
+				else
+				{
+					asyncSocket->flags |= kSecureSocketHasBytesAvailable;
+					[asyncSocket doReadData];
+				}
+			}});
+			
+			break;
+		}
+		default:
+		{
+			NSError *error = (__bridge_transfer  NSError *)CFReadStreamCopyError(stream);
+			
+			if (error == nil && type == kCFStreamEventEndEncountered)
+			{
+				error = [asyncSocket connectionClosedError];
+			}
+			
+			dispatch_async(asyncSocket->socketQueue, ^{ @autoreleasepool {
+				
+				LogCVerbose(@"CFReadStreamCallback - Other");
+				
+				if (asyncSocket->readStream != stream)
+					return_from_block;
+				
+				if ((asyncSocket->flags & kStartingReadTLS) && (asyncSocket->flags & kStartingWriteTLS))
+				{
+					[asyncSocket cf_abortSSLHandshake:error];
+				}
+				else
+				{
+					[asyncSocket closeWithError:error];
+				}
+			}});
+			
+			break;
+		}
+	}
+	
+}
+
+static void CFWriteStreamCallback (CFWriteStreamRef stream, CFStreamEventType type, void *pInfo)
+{
+	GCDAsyncSocket *asyncSocket = (__bridge GCDAsyncSocket *)pInfo;
+	
+	switch(type)
+	{
+		case kCFStreamEventCanAcceptBytes:
+		{
+			dispatch_async(asyncSocket->socketQueue, ^{ @autoreleasepool {
+				
+				LogCVerbose(@"CFWriteStreamCallback - CanAcceptBytes");
+				
+				if (asyncSocket->writeStream != stream)
+					return_from_block;
+				
+				if ((asyncSocket->flags & kStartingReadTLS) && (asyncSocket->flags & kStartingWriteTLS))
+				{
+					// If we set kCFStreamPropertySSLSettings before we opened the streams, this might be a lie.
+					// (A callback related to the tcp stream, but not to the SSL layer).
+					
+					if (CFWriteStreamCanAcceptBytes(asyncSocket->writeStream))
+					{
+						asyncSocket->flags |= kSocketCanAcceptBytes;
+						[asyncSocket cf_finishSSLHandshake];
+					}
+				}
+				else
+				{
+					asyncSocket->flags |= kSocketCanAcceptBytes;
+					[asyncSocket doWriteData];
+				}
+			}});
+			
+			break;
+		}
+		default:
+		{
+			NSError *error = (__bridge_transfer NSError *)CFWriteStreamCopyError(stream);
+			
+			if (error == nil && type == kCFStreamEventEndEncountered)
+			{
+				error = [asyncSocket connectionClosedError];
+			}
+			
+			dispatch_async(asyncSocket->socketQueue, ^{ @autoreleasepool {
+				
+				LogCVerbose(@"CFWriteStreamCallback - Other");
+				
+				if (asyncSocket->writeStream != stream)
+					return_from_block;
+				
+				if ((asyncSocket->flags & kStartingReadTLS) && (asyncSocket->flags & kStartingWriteTLS))
+				{
+					[asyncSocket cf_abortSSLHandshake:error];
+				}
+				else
+				{
+					[asyncSocket closeWithError:error];
+				}
+			}});
+			
+			break;
+		}
+	}
+	
+}
+
+- (BOOL)createReadAndWriteStream
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	
+	
+	if (readStream || writeStream)
+	{
+		// Streams already created
+		return YES;
+	}
+	
+	int socketFD = (socket6FD == SOCKET_NULL) ? socket4FD : socket6FD;
+	
+	if (socketFD == SOCKET_NULL)
+	{
+		// Cannot create streams without a file descriptor
+		return NO;
+	}
+	
+	if (![self isConnected])
+	{
+		// Cannot create streams until file descriptor is connected
+		return NO;
+	}
+	
+	LogVerbose(@"Creating read and write stream...");
+	
+	CFStreamCreatePairWithSocket(NULL, (CFSocketNativeHandle)socketFD, &readStream, &writeStream);
+	
+	// The kCFStreamPropertyShouldCloseNativeSocket property should be false by default (for our case).
+	// But let's not take any chances.
+	
+	if (readStream)
+		CFReadStreamSetProperty(readStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanFalse);
+	if (writeStream)
+		CFWriteStreamSetProperty(writeStream, kCFStreamPropertyShouldCloseNativeSocket, kCFBooleanFalse);
+	
+	if ((readStream == NULL) || (writeStream == NULL))
+	{
+		LogWarn(@"Unable to create read and write stream...");
+		
+		if (readStream)
+		{
+			CFReadStreamClose(readStream);
+			CFRelease(readStream);
+			readStream = NULL;
+		}
+		if (writeStream)
+		{
+			CFWriteStreamClose(writeStream);
+			CFRelease(writeStream);
+			writeStream = NULL;
+		}
+		
+		return NO;
+	}
+	
+	return YES;
+}
+
+- (BOOL)registerForStreamCallbacksIncludingReadWrite:(BOOL)includeReadWrite
+{
+	LogVerbose(@"%@ %@", THIS_METHOD, (includeReadWrite ? @"YES" : @"NO"));
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	NSAssert((readStream != NULL && writeStream != NULL), @"Read/Write stream is null");
+	
+	streamContext.version = 0;
+	streamContext.info = (__bridge void *)(self);
+	streamContext.retain = nil;
+	streamContext.release = nil;
+	streamContext.copyDescription = nil;
+	
+	CFOptionFlags readStreamEvents = kCFStreamEventErrorOccurred | kCFStreamEventEndEncountered;
+	if (includeReadWrite)
+		readStreamEvents |= kCFStreamEventHasBytesAvailable;
+	
+	if (!CFReadStreamSetClient(readStream, readStreamEvents, &CFReadStreamCallback, &streamContext))
+	{
+		return NO;
+	}
+	
+	CFOptionFlags writeStreamEvents = kCFStreamEventErrorOccurred | kCFStreamEventEndEncountered;
+	if (includeReadWrite)
+		writeStreamEvents |= kCFStreamEventCanAcceptBytes;
+	
+	if (!CFWriteStreamSetClient(writeStream, writeStreamEvents, &CFWriteStreamCallback, &streamContext))
+	{
+		return NO;
+	}
+	
+	return YES;
+}
+
+- (BOOL)addStreamsToRunLoop
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	NSAssert((readStream != NULL && writeStream != NULL), @"Read/Write stream is null");
+	
+	if (!(flags & kAddedStreamsToRunLoop))
+	{
+		LogVerbose(@"Adding streams to runloop...");
+		
+		[[self class] startCFStreamThreadIfNeeded];
+		[[self class] performSelector:@selector(scheduleCFStreams:)
+		                     onThread:cfstreamThread
+		                   withObject:self
+		                waitUntilDone:YES];
+		
+		flags |= kAddedStreamsToRunLoop;
+	}
+	
+	return YES;
+}
+
+- (void)removeStreamsFromRunLoop
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	NSAssert((readStream != NULL && writeStream != NULL), @"Read/Write stream is null");
+	
+	if (flags & kAddedStreamsToRunLoop)
+	{
+		LogVerbose(@"Removing streams from runloop...");
+		
+		[[self class] performSelector:@selector(unscheduleCFStreams:)
+		                     onThread:cfstreamThread
+		                   withObject:self
+		                waitUntilDone:YES];
+		[[self class] stopCFStreamThreadIfNeeded];
+		
+		flags &= ~kAddedStreamsToRunLoop;
+	}
+}
+
+- (BOOL)openStreams
+{
+	LogTrace();
+	
+	NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");
+	NSAssert((readStream != NULL && writeStream != NULL), @"Read/Write stream is null");
+	
+	CFStreamStatus readStatus = CFReadStreamGetStatus(readStream);
+	CFStreamStatus writeStatus = CFWriteStreamGetStatus(writeStream);
+	
+	if ((readStatus == kCFStreamStatusNotOpen) || (writeStatus == kCFStreamStatusNotOpen))
+	{
+		LogVerbose(@"Opening read and write stream...");
+		
+		BOOL r1 = CFReadStreamOpen(readStream);
+		BOOL r2 = CFWriteStreamOpen(writeStream);
+		
+		if (!r1 || !r2)
+		{
+			LogError(@"Error in CFStreamOpen");
+			return NO;
+		}
+	}
+	
+	return YES;
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Advanced
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * See header file for big discussion of this method.
+**/
+- (BOOL)autoDisconnectOnClosedReadStream
+{
+	// Note: YES means kAllowHalfDuplexConnection is OFF
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		return ((config & kAllowHalfDuplexConnection) == 0);
+	}
+	else
+	{
+		__block BOOL result;
+		
+		dispatch_sync(socketQueue, ^{
+			result = ((config & kAllowHalfDuplexConnection) == 0);
+		});
+		
+		return result;
+	}
+}
+
+/**
+ * See header file for big discussion of this method.
+**/
+- (void)setAutoDisconnectOnClosedReadStream:(BOOL)flag
+{
+	// Note: YES means kAllowHalfDuplexConnection is OFF
+	
+	dispatch_block_t block = ^{
+		
+		if (flag)
+			config &= ~kAllowHalfDuplexConnection;
+		else
+			config |= kAllowHalfDuplexConnection;
+	};
+	
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_async(socketQueue, block);
+}
+
+
+/**
+ * See header file for big discussion of this method.
+**/
+- (void)markSocketQueueTargetQueue:(dispatch_queue_t)socketNewTargetQueue
+{
+	void *nonNullUnusedPointer = (__bridge void *)self;
+	dispatch_queue_set_specific(socketNewTargetQueue, IsOnSocketQueueOrTargetQueueKey, nonNullUnusedPointer, NULL);
+}
+
+/**
+ * See header file for big discussion of this method.
+**/
+- (void)unmarkSocketQueueTargetQueue:(dispatch_queue_t)socketOldTargetQueue
+{
+	dispatch_queue_set_specific(socketOldTargetQueue, IsOnSocketQueueOrTargetQueueKey, NULL, NULL);
+}
+
+/**
+ * See header file for big discussion of this method.
+**/
+- (void)performBlock:(dispatch_block_t)block
+{
+	if (dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+		block();
+	else
+		dispatch_sync(socketQueue, block);
+}
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (int)socketFD
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return SOCKET_NULL;
+	}
+	
+	if (socket4FD != SOCKET_NULL)
+		return socket4FD;
+	else
+		return socket6FD;
+}
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (int)socket4FD
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return SOCKET_NULL;
+	}
+	
+	return socket4FD;
+}
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (int)socket6FD
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return SOCKET_NULL;
+	}
+	
+	return socket6FD;
+}
+
+#if TARGET_OS_IPHONE
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (CFReadStreamRef)readStream
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return NULL;
+	}
+	
+	if (readStream == NULL)
+		[self createReadAndWriteStream];
+	
+	return readStream;
+}
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (CFWriteStreamRef)writeStream
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return NULL;
+	}
+	
+	if (writeStream == NULL)
+		[self createReadAndWriteStream];
+	
+	return writeStream;
+}
+
+- (BOOL)enableBackgroundingOnSocketWithCaveat:(BOOL)caveat
+{
+	if (![self createReadAndWriteStream])
+	{
+		// Error occured creating streams (perhaps socket isn't open)
+		return NO;
+	}
+	
+	BOOL r1, r2;
+	
+	LogVerbose(@"Enabling backgrouding on socket");
+	
+	r1 = CFReadStreamSetProperty(readStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
+	r2 = CFWriteStreamSetProperty(writeStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
+	
+	if (!r1 || !r2)
+	{
+		return NO;
+	}
+	
+	if (!caveat)
+	{
+		if (![self openStreams])
+		{
+			return NO;
+		}
+	}
+	
+	return YES;
+}
+
+/**
+ * Questions? Have you read the header file?
+**/
+- (BOOL)enableBackgroundingOnSocket
+{
+	LogTrace();
+	
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return NO;
+	}
+	
+	return [self enableBackgroundingOnSocketWithCaveat:NO];
+}
+
+- (BOOL)enableBackgroundingOnSocketWithCaveat // Deprecated in iOS 4.???
+{
+	// This method was created as a workaround for a bug in iOS.
+	// Apple has since fixed this bug.
+	// I'm not entirely sure which version of iOS they fixed it in...
+	
+	LogTrace();
+	
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return NO;
+	}
+	
+	return [self enableBackgroundingOnSocketWithCaveat:YES];
+}
+
+#endif
+
+- (SSLContextRef)sslContext
+{
+	if (!dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey))
+	{
+		LogWarn(@"%@ - Method only available from within the context of a performBlock: invocation", THIS_METHOD);
+		return NULL;
+	}
+	
+	return sslContext;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Class Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (NSMutableArray *)lookupHost:(NSString *)host port:(uint16_t)port error:(NSError **)errPtr
+{
+	LogTrace();
+	
+	NSMutableArray *addresses = nil;
+	NSError *error = nil;
+	
+	if ([host isEqualToString:@"localhost"] || [host isEqualToString:@"loopback"])
+	{
+		// Use LOOPBACK address
+		struct sockaddr_in nativeAddr4;
+		nativeAddr4.sin_len         = sizeof(struct sockaddr_in);
+		nativeAddr4.sin_family      = AF_INET;
+		nativeAddr4.sin_port        = htons(port);
+		nativeAddr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+		memset(&(nativeAddr4.sin_zero), 0, sizeof(nativeAddr4.sin_zero));
+		
+		struct sockaddr_in6 nativeAddr6;
+		nativeAddr6.sin6_len        = sizeof(struct sockaddr_in6);
+		nativeAddr6.sin6_family     = AF_INET6;
+		nativeAddr6.sin6_port       = htons(port);
+		nativeAddr6.sin6_flowinfo   = 0;
+		nativeAddr6.sin6_addr       = in6addr_loopback;
+		nativeAddr6.sin6_scope_id   = 0;
+		
+		// Wrap the native address structures
+		
+		NSData *address4 = [NSData dataWithBytes:&nativeAddr4 length:sizeof(nativeAddr4)];
+		NSData *address6 = [NSData dataWithBytes:&nativeAddr6 length:sizeof(nativeAddr6)];
+		
+		addresses = [NSMutableArray arrayWithCapacity:2];
+		[addresses addObject:address4];
+		[addresses addObject:address6];
+	}
+	else
+	{
+		NSString *portStr = [NSString stringWithFormat:@"%hu", port];
+		
+		struct addrinfo hints, *res, *res0;
+		
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family   = PF_UNSPEC;
+		hints.ai_socktype = SOCK_STREAM;
+		hints.ai_protocol = IPPROTO_TCP;
+		
+		int gai_error = getaddrinfo([host UTF8String], [portStr UTF8String], &hints, &res0);
+		
+		if (gai_error)
+		{
+			error = [self gaiError:gai_error];
+		}
+		else
+		{
+			NSUInteger capacity = 0;
+			for (res = res0; res; res = res->ai_next)
+			{
+				if (res->ai_family == AF_INET || res->ai_family == AF_INET6) {
+					capacity++;
+				}
+			}
+			
+			addresses = [NSMutableArray arrayWithCapacity:capacity];
+			
+			for (res = res0; res; res = res->ai_next)
+			{
+				if (res->ai_family == AF_INET)
+				{
+					// Found IPv4 address.
+					// Wrap the native address structure, and add to results.
+					
+					NSData *address4 = [NSData dataWithBytes:res->ai_addr length:res->ai_addrlen];
+					[addresses addObject:address4];
+				}
+				else if (res->ai_family == AF_INET6)
+				{
+					// Found IPv6 address.
+					// Wrap the native address structure, and add to results.
+					
+					NSData *address6 = [NSData dataWithBytes:res->ai_addr length:res->ai_addrlen];
+					[addresses addObject:address6];
+				}
+			}
+			freeaddrinfo(res0);
+			
+			if ([addresses count] == 0)
+			{
+				error = [self gaiError:EAI_FAIL];
+			}
+		}
+	}
+	
+	if (errPtr) *errPtr = error;
+	return addresses;
+}
+
++ (NSString *)hostFromSockaddr4:(const struct sockaddr_in *)pSockaddr4
+{
+	char addrBuf[INET_ADDRSTRLEN];
+	
+	if (inet_ntop(AF_INET, &pSockaddr4->sin_addr, addrBuf, (socklen_t)sizeof(addrBuf)) == NULL)
+	{
+		addrBuf[0] = '\0';
+	}
+	
+	return [NSString stringWithCString:addrBuf encoding:NSASCIIStringEncoding];
+}
+
++ (NSString *)hostFromSockaddr6:(const struct sockaddr_in6 *)pSockaddr6
+{
+	char addrBuf[INET6_ADDRSTRLEN];
+	
+	if (inet_ntop(AF_INET6, &pSockaddr6->sin6_addr, addrBuf, (socklen_t)sizeof(addrBuf)) == NULL)
+	{
+		addrBuf[0] = '\0';
+	}
+	
+	return [NSString stringWithCString:addrBuf encoding:NSASCIIStringEncoding];
+}
+
++ (uint16_t)portFromSockaddr4:(const struct sockaddr_in *)pSockaddr4
+{
+	return ntohs(pSockaddr4->sin_port);
+}
+
++ (uint16_t)portFromSockaddr6:(const struct sockaddr_in6 *)pSockaddr6
+{
+	return ntohs(pSockaddr6->sin6_port);
+}
+
++ (NSString *)hostFromAddress:(NSData *)address
+{
+	NSString *host;
+	
+	if ([self getHost:&host port:NULL fromAddress:address])
+		return host;
+	else
+		return nil;
+}
+
++ (uint16_t)portFromAddress:(NSData *)address
+{
+	uint16_t port;
+	
+	if ([self getHost:NULL port:&port fromAddress:address])
+		return port;
+	else
+		return 0;
+}
+
++ (BOOL)isIPv4Address:(NSData *)address
+{
+	if ([address length] >= sizeof(struct sockaddr))
+	{
+		const struct sockaddr *sockaddrX = [address bytes];
+		
+		if (sockaddrX->sa_family == AF_INET) {
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
++ (BOOL)isIPv6Address:(NSData *)address
+{
+	if ([address length] >= sizeof(struct sockaddr))
+	{
+		const struct sockaddr *sockaddrX = [address bytes];
+		
+		if (sockaddrX->sa_family == AF_INET6) {
+			return YES;
+		}
+	}
+	
+	return NO;
+}
+
++ (BOOL)getHost:(NSString **)hostPtr port:(uint16_t *)portPtr fromAddress:(NSData *)address
+{
+	return [self getHost:hostPtr port:portPtr family:NULL fromAddress:address];
+}
+
++ (BOOL)getHost:(NSString **)hostPtr port:(uint16_t *)portPtr family:(sa_family_t *)afPtr fromAddress:(NSData *)address
+{
+	if ([address length] >= sizeof(struct sockaddr))
+	{
+		const struct sockaddr *sockaddrX = [address bytes];
+		
+		if (sockaddrX->sa_family == AF_INET)
+		{
+			if ([address length] >= sizeof(struct sockaddr_in))
+			{
+				struct sockaddr_in sockaddr4;
+				memcpy(&sockaddr4, sockaddrX, sizeof(sockaddr4));
+				
+				if (hostPtr) *hostPtr = [self hostFromSockaddr4:&sockaddr4];
+				if (portPtr) *portPtr = [self portFromSockaddr4:&sockaddr4];
+				if (afPtr)   *afPtr   = AF_INET;
+				
+				return YES;
+			}
+		}
+		else if (sockaddrX->sa_family == AF_INET6)
+		{
+			if ([address length] >= sizeof(struct sockaddr_in6))
+			{
+				struct sockaddr_in6 sockaddr6;
+				memcpy(&sockaddr6, sockaddrX, sizeof(sockaddr6));
+				
+				if (hostPtr) *hostPtr = [self hostFromSockaddr6:&sockaddr6];
+				if (portPtr) *portPtr = [self portFromSockaddr6:&sockaddr6];
+				if (afPtr)   *afPtr   = AF_INET6;
+				
+				return YES;
+			}
+		}
+	}
+	
+	return NO;
+}
+
++ (NSData *)CRLFData
+{
+	return [NSData dataWithBytes:"\x0D\x0A" length:2];
+}
+
++ (NSData *)CRData
+{
+	return [NSData dataWithBytes:"\x0D" length:1];
+}
+
++ (NSData *)LFData
+{
+	return [NSData dataWithBytes:"\x0A" length:1];
+}
+
++ (NSData *)ZeroData
+{
+	return [NSData dataWithBytes:"" length:1];
+}
+
+@end	
diff --git a/Vendor/CocoaLumberjack/DDASLLogger.h b/Vendor/CocoaLumberjack/DDASLLogger.h
new file mode 100755
index 0000000..2aaf4e3
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDASLLogger.h
@@ -0,0 +1,41 @@
+#import <Foundation/Foundation.h>
+#import <asl.h>
+
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a logger for the Apple System Log facility.
+ * 
+ * As described in the "Getting Started" page,
+ * the traditional NSLog() function directs it's output to two places:
+ * 
+ * - Apple System Log
+ * - StdErr (if stderr is a TTY) so log statements show up in Xcode console
+ * 
+ * To duplicate NSLog() functionality you can simply add this logger and a tty logger.
+ * However, if you instead choose to use file logging (for faster performance),
+ * you may choose to use a file logger and a tty logger.
+**/
+
+@interface DDASLLogger : DDAbstractLogger <DDLogger>
+{
+    aslclient client;
+}
+
++ (instancetype)sharedInstance;
+
+// Inherited from DDAbstractLogger
+
+// - (id <DDLogFormatter>)logFormatter;
+// - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDASLLogger.m b/Vendor/CocoaLumberjack/DDASLLogger.m
new file mode 100755
index 0000000..90beff1
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDASLLogger.m
@@ -0,0 +1,100 @@
+#import "DDASLLogger.h"
+
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation DDASLLogger
+
+static DDASLLogger *sharedInstance;
+
+/**
+ * The runtime sends initialize to each class in a program exactly one time just before the class,
+ * or any class that inherits from it, is sent its first message from within the program. (Thus the
+ * method may never be invoked if the class is not used.) The runtime sends the initialize message to
+ * classes in a thread-safe manner. Superclasses receive this message before their subclasses.
+ *
+ * This method may also be called directly (assumably by accident), hence the safety mechanism.
+**/
++ (void)initialize
+{
+    static BOOL initialized = NO;
+    if (!initialized)
+    {
+        initialized = YES;
+        
+        sharedInstance = [[[self class] alloc] init];
+    }
+}
+
++ (instancetype)sharedInstance
+{
+    return sharedInstance;
+}
+
+- (id)init
+{
+    if (sharedInstance != nil)
+    {
+        return nil;
+    }
+    
+    if ((self = [super init]))
+    {
+        // A default asl client is provided for the main thread,
+        // but background threads need to create their own client.
+        
+        client = asl_open(NULL, "com.apple.console", 0);
+    }
+    return self;
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    NSString *logMsg = logMessage->logMsg;
+    
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+    }
+    
+    if (logMsg)
+    {
+        const char *msg = [logMsg UTF8String];
+        
+        int aslLogLevel;
+        switch (logMessage->logFlag)
+        {
+            // Note: By default ASL will filter anything above level 5 (Notice).
+            // So our mappings shouldn't go above that level.
+            
+            case LOG_FLAG_ERROR : aslLogLevel = ASL_LEVEL_ALERT;   break;
+            case LOG_FLAG_WARN  : aslLogLevel = ASL_LEVEL_CRIT;    break;
+            case LOG_FLAG_INFO  : aslLogLevel = ASL_LEVEL_ERR;     break;
+            case LOG_FLAG_DEBUG : aslLogLevel = ASL_LEVEL_WARNING; break;
+            default             : aslLogLevel = ASL_LEVEL_NOTICE;  break;
+        }
+        
+        asl_log(client, NULL, aslLogLevel, "%s", msg);
+    }
+}
+
+- (NSString *)loggerName
+{
+    return @"cocoa.lumberjack.aslLogger";
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.h b/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.h
new file mode 100755
index 0000000..4e0c33c
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.h
@@ -0,0 +1,102 @@
+#import <Foundation/Foundation.h>
+
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides an abstract implementation of a database logger.
+ * 
+ * That is, it provides the base implementation for a database logger to build atop of.
+ * All that is needed for a concrete database logger is to extend this class
+ * and override the methods in the implementation file that are prefixed with "db_".
+**/
+
+@interface DDAbstractDatabaseLogger : DDAbstractLogger {
+@protected
+    NSUInteger saveThreshold;
+    NSTimeInterval saveInterval;
+    NSTimeInterval maxAge;
+    NSTimeInterval deleteInterval;
+    BOOL deleteOnEverySave;
+    
+    BOOL saveTimerSuspended;
+    NSUInteger unsavedCount;
+    dispatch_time_t unsavedTime;
+    dispatch_source_t saveTimer;
+    dispatch_time_t lastDeleteTime;
+    dispatch_source_t deleteTimer;
+}
+
+/**
+ * Specifies how often to save the data to disk.
+ * Since saving is an expensive operation (disk io) it is not done after every log statement.
+ * These properties allow you to configure how/when the logger saves to disk.
+ * 
+ * A save is done when either (whichever happens first):
+ * 
+ * - The number of unsaved log entries reaches saveThreshold
+ * - The amount of time since the oldest unsaved log entry was created reaches saveInterval
+ * 
+ * You can optionally disable the saveThreshold by setting it to zero.
+ * If you disable the saveThreshold you are entirely dependent on the saveInterval.
+ * 
+ * You can optionally disable the saveInterval by setting it to zero (or a negative value).
+ * If you disable the saveInterval you are entirely dependent on the saveThreshold.
+ * 
+ * It's not wise to disable both saveThreshold and saveInterval.
+ * 
+ * The default saveThreshold is 500.
+ * The default saveInterval is 60 seconds.
+**/
+@property (assign, readwrite) NSUInteger saveThreshold;
+@property (assign, readwrite) NSTimeInterval saveInterval;
+
+/**
+ * It is likely you don't want the log entries to persist forever.
+ * Doing so would allow the database to grow infinitely large over time.
+ * 
+ * The maxAge property provides a way to specify how old a log statement can get
+ * before it should get deleted from the database.
+ * 
+ * The deleteInterval specifies how often to sweep for old log entries.
+ * Since deleting is an expensive operation (disk io) is is done on a fixed interval.
+ * 
+ * An alternative to the deleteInterval is the deleteOnEverySave option.
+ * This specifies that old log entries should be deleted during every save operation.
+ * 
+ * You can optionally disable the maxAge by setting it to zero (or a negative value).
+ * If you disable the maxAge then old log statements are not deleted.
+ * 
+ * You can optionally disable the deleteInterval by setting it to zero (or a negative value).
+ * 
+ * If you disable both deleteInterval and deleteOnEverySave then old log statements are not deleted.
+ * 
+ * It's not wise to enable both deleteInterval and deleteOnEverySave.
+ * 
+ * The default maxAge is 7 days.
+ * The default deleteInterval is 5 minutes.
+ * The default deleteOnEverySave is NO.
+**/
+@property (assign, readwrite) NSTimeInterval maxAge;
+@property (assign, readwrite) NSTimeInterval deleteInterval;
+@property (assign, readwrite) BOOL deleteOnEverySave;
+
+/**
+ * Forces a save of any pending log entries (flushes log entries to disk).
+**/
+- (void)savePendingLogEntries;
+
+/**
+ * Removes any log entries that are older than maxAge.
+**/
+- (void)deleteOldLogEntries;
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.m b/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.m
new file mode 100755
index 0000000..1410f7a
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDAbstractDatabaseLogger.m
@@ -0,0 +1,727 @@
+#import "DDAbstractDatabaseLogger.h"
+#import <math.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface DDAbstractDatabaseLogger ()
+- (void)destroySaveTimer;
+- (void)destroyDeleteTimer;
+@end
+
+#pragma mark -
+
+@implementation DDAbstractDatabaseLogger
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        saveThreshold = 500;
+        saveInterval = 60;           // 60 seconds
+        maxAge = (60 * 60 * 24 * 7); //  7 days
+        deleteInterval = (60 * 5);   //  5 minutes
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [self destroySaveTimer];
+    [self destroyDeleteTimer];
+    
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Override Me
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)db_log:(DDLogMessage *)logMessage
+{
+    // Override me and add your implementation.
+    // 
+    // Return YES if an item was added to the buffer.
+    // Return NO if the logMessage was ignored.
+    
+    return NO;
+}
+
+- (void)db_save
+{
+    // Override me and add your implementation.
+}
+
+- (void)db_delete
+{
+    // Override me and add your implementation.
+}
+
+- (void)db_saveAndDelete
+{
+    // Override me and add your implementation.
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)performSaveAndSuspendSaveTimer
+{
+    if (unsavedCount > 0)
+    {
+        if (deleteOnEverySave)
+            [self db_saveAndDelete];
+        else
+            [self db_save];
+    }
+    
+    unsavedCount = 0;
+    unsavedTime = 0;
+    
+    if (saveTimer && !saveTimerSuspended)
+    {
+        dispatch_suspend(saveTimer);
+        saveTimerSuspended = YES;
+    }
+}
+
+- (void)performDelete
+{
+    if (maxAge > 0.0)
+    {
+        [self db_delete];
+        
+        lastDeleteTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Timers
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)destroySaveTimer
+{
+    if (saveTimer)
+    {
+        dispatch_source_cancel(saveTimer);
+        if (saveTimerSuspended)
+        {
+            // Must resume a timer before releasing it (or it will crash)
+            dispatch_resume(saveTimer);
+            saveTimerSuspended = NO;
+        }
+        #if !OS_OBJECT_USE_OBJC
+        dispatch_release(saveTimer);
+        #endif
+        saveTimer = NULL;
+    }
+}
+
+- (void)updateAndResumeSaveTimer
+{
+    if ((saveTimer != NULL) && (saveInterval > 0.0) && (unsavedTime > 0.0))
+    {
+        uint64_t interval = (uint64_t)(saveInterval * NSEC_PER_SEC);
+        dispatch_time_t startTime = dispatch_time(unsavedTime, interval);
+        
+        dispatch_source_set_timer(saveTimer, startTime, interval, 1.0);
+        
+        if (saveTimerSuspended)
+        {
+            dispatch_resume(saveTimer);
+            saveTimerSuspended = NO;
+        }
+    }
+}
+
+- (void)createSuspendedSaveTimer
+{
+    if ((saveTimer == NULL) && (saveInterval > 0.0))
+    {
+        saveTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+        
+        dispatch_source_set_event_handler(saveTimer, ^{ @autoreleasepool {
+            
+            [self performSaveAndSuspendSaveTimer];
+            
+        }});
+        
+        saveTimerSuspended = YES;
+    }
+}
+
+- (void)destroyDeleteTimer
+{
+    if (deleteTimer)
+    {
+        dispatch_source_cancel(deleteTimer);
+        #if !OS_OBJECT_USE_OBJC
+        dispatch_release(deleteTimer);
+        #endif
+        deleteTimer = NULL;
+    }
+}
+
+- (void)updateDeleteTimer
+{
+    if ((deleteTimer != NULL) && (deleteInterval > 0.0) && (maxAge > 0.0))
+    {
+        uint64_t interval = (uint64_t)(deleteInterval * NSEC_PER_SEC);
+        dispatch_time_t startTime;
+        
+        if (lastDeleteTime > 0)
+            startTime = dispatch_time(lastDeleteTime, interval);
+        else
+            startTime = dispatch_time(DISPATCH_TIME_NOW, interval);
+        
+        dispatch_source_set_timer(deleteTimer, startTime, interval, 1.0);
+    }
+}
+
+- (void)createAndStartDeleteTimer
+{
+    if ((deleteTimer == NULL) && (deleteInterval > 0.0) && (maxAge > 0.0))
+    {
+        deleteTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+
+        if (deleteTimer != NULL) {
+            dispatch_source_set_event_handler(deleteTimer, ^{ @autoreleasepool {
+
+                [self performDelete];
+
+            }});
+
+            [self updateDeleteTimer];
+            
+            if (deleteTimer != NULL) dispatch_resume(deleteTimer);
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)saveThreshold
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSUInteger result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = saveThreshold;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setSaveThreshold:(NSUInteger)threshold
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        if (saveThreshold != threshold)
+        {
+            saveThreshold = threshold;
+            
+            // Since the saveThreshold has changed,
+            // we check to see if the current unsavedCount has surpassed the new threshold.
+            // 
+            // If it has, we immediately save the log.
+            
+            if ((unsavedCount >= saveThreshold) && (saveThreshold > 0))
+            {
+                [self performSaveAndSuspendSaveTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)saveInterval
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = saveInterval;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setSaveInterval:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+    
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* saveInterval != interval */ islessgreater(saveInterval, interval))
+        {
+            saveInterval = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the saveInterval was previously enabled and it just got disabled,
+            //    then we need to stop the saveTimer. (And we might as well release it.)
+            // 
+            // 2. If the saveInterval was previously disabled and it just got enabled,
+            //    then we need to setup the saveTimer. (Plus we might need to do an immediate save.)
+            // 
+            // 3. If the saveInterval increased, then we need to reset the timer so that it fires at the later date.
+            // 
+            // 4. If the saveInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+            //    (Plus we might need to do an immediate save.)
+            
+            if (saveInterval > 0.0)
+            {
+                if (saveTimer == NULL)
+                {
+                    // Handles #2
+                    //
+                    // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self createSuspendedSaveTimer];
+                    [self updateAndResumeSaveTimer];
+                }
+                else
+                {
+                    // Handles #3
+                    // Handles #4
+                    //
+                    // Since the saveTimer uses the unsavedTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self updateAndResumeSaveTimer];
+                }
+            }
+            else if (saveTimer)
+            {
+                // Handles #1
+                
+                [self destroySaveTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)maxAge
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = maxAge;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setMaxAge:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* maxAge != interval */ islessgreater(maxAge, interval))
+        {
+            NSTimeInterval oldMaxAge = maxAge;
+            NSTimeInterval newMaxAge = interval;
+            
+            maxAge = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the maxAge was previously enabled and it just got disabled,
+            //    then we need to stop the deleteTimer. (And we might as well release it.)
+            // 
+            // 2. If the maxAge was previously disabled and it just got enabled,
+            //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+            // 
+            // 3. If the maxAge was increased,
+            //    then we don't need to do anything.
+            // 
+            // 4. If the maxAge was decreased,
+            //    then we should do an immediate delete.
+            
+            BOOL shouldDeleteNow = NO;
+            
+            if (oldMaxAge > 0.0)
+            {
+                if (newMaxAge <= 0.0)
+                {
+                    // Handles #1
+                    
+                    [self destroyDeleteTimer];
+                }
+                else if (oldMaxAge > newMaxAge)
+                {
+                    // Handles #4
+                    shouldDeleteNow = YES;
+                }
+            }
+            else if (newMaxAge > 0.0)
+            {
+                // Handles #2
+                shouldDeleteNow = YES;
+            }
+            
+            if (shouldDeleteNow)
+            {
+                [self performDelete];
+                
+                if (deleteTimer)
+                    [self updateDeleteTimer];
+                else
+                    [self createAndStartDeleteTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (NSTimeInterval)deleteInterval
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block NSTimeInterval result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = deleteInterval;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setDeleteInterval:(NSTimeInterval)interval
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        // C99 recommended floating point comparison macro
+        // Read: isLessThanOrGreaterThan(floatA, floatB)
+        
+        if (/* deleteInterval != interval */ islessgreater(deleteInterval, interval))
+        {
+            deleteInterval = interval;
+            
+            // There are several cases we need to handle here.
+            // 
+            // 1. If the deleteInterval was previously enabled and it just got disabled,
+            //    then we need to stop the deleteTimer. (And we might as well release it.)
+            // 
+            // 2. If the deleteInterval was previously disabled and it just got enabled,
+            //    then we need to setup the deleteTimer. (Plus we might need to do an immediate delete.)
+            // 
+            // 3. If the deleteInterval increased, then we need to reset the timer so that it fires at the later date.
+            // 
+            // 4. If the deleteInterval decreased, then we need to reset the timer so that it fires at an earlier date.
+            //    (Plus we might need to do an immediate delete.)
+            
+            if (deleteInterval > 0.0)
+            {
+                if (deleteTimer == NULL)
+                {
+                    // Handles #2
+                    //
+                    // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+                    // if a delete is needed the timer will fire immediately.
+                    
+                    [self createAndStartDeleteTimer];
+                }
+                else
+                {
+                    // Handles #3
+                    // Handles #4
+                    //
+                    // Since the deleteTimer uses the lastDeleteTime to calculate it's first fireDate,
+                    // if a save is needed the timer will fire immediately.
+                    
+                    [self updateDeleteTimer];
+                }
+            }
+            else if (deleteTimer)
+            {
+                // Handles #1
+                
+                [self destroyDeleteTimer];
+            }
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (BOOL)deleteOnEverySave
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block BOOL result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = deleteOnEverySave;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setDeleteOnEverySave:(BOOL)flag
+{
+    dispatch_block_t block = ^{
+        
+        deleteOnEverySave = flag;
+    };
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Public API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)savePendingLogEntries
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self performSaveAndSuspendSaveTimer];
+    }};
+    
+    if ([self isOnInternalLoggerQueue])
+        block();
+    else
+        dispatch_async(loggerQueue, block);
+}
+
+- (void)deleteOldLogEntries
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self performDelete];
+    }};
+    
+    if ([self isOnInternalLoggerQueue])
+        block();
+    else
+        dispatch_async(loggerQueue, block);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark DDLogger
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)didAddLogger
+{
+    // If you override me be sure to invoke [super didAddLogger];
+    
+    [self createSuspendedSaveTimer];
+    
+    [self createAndStartDeleteTimer];
+}
+
+- (void)willRemoveLogger
+{
+    // If you override me be sure to invoke [super willRemoveLogger];
+    
+    [self performSaveAndSuspendSaveTimer];
+    
+    [self destroySaveTimer];
+    [self destroyDeleteTimer];
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    if ([self db_log:logMessage])
+    {
+        BOOL firstUnsavedEntry = (++unsavedCount == 1);
+        
+        if ((unsavedCount >= saveThreshold) && (saveThreshold > 0))
+        {
+            [self performSaveAndSuspendSaveTimer];
+        }
+        else if (firstUnsavedEntry)
+        {
+            unsavedTime = dispatch_time(DISPATCH_TIME_NOW, 0);
+            [self updateAndResumeSaveTimer];
+        }
+    }
+}
+
+- (void)flush
+{
+    // This method is invoked by DDLog's flushLog method.
+    // 
+    // It is called automatically when the application quits,
+    // or if the developer invokes DDLog's flushLog method prior to crashing or something.
+    
+    [self performSaveAndSuspendSaveTimer];
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDFileLogger.h b/Vendor/CocoaLumberjack/DDFileLogger.h
new file mode 100755
index 0000000..e5f20dc
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDFileLogger.h
@@ -0,0 +1,369 @@
+#import <Foundation/Foundation.h>
+#import "DDLog.h"
+
+@class DDLogFileInfo;
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a logger to write log statements to a file.
+**/
+
+
+// Default configuration and safety/sanity values.
+// 
+// maximumFileSize         -> DEFAULT_LOG_MAX_FILE_SIZE
+// rollingFrequency        -> DEFAULT_LOG_ROLLING_FREQUENCY
+// maximumNumberOfLogFiles -> DEFAULT_LOG_MAX_NUM_LOG_FILES
+// 
+// You should carefully consider the proper configuration values for your application.
+
+#define DEFAULT_LOG_MAX_FILE_SIZE     (1024 * 1024)   //  1 MB
+#define DEFAULT_LOG_ROLLING_FREQUENCY (60 * 60 * 24)  // 24 Hours
+#define DEFAULT_LOG_MAX_NUM_LOG_FILES (5)             //  5 Files
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// The LogFileManager protocol is designed to allow you to control all aspects of your log files.
+// 
+// The primary purpose of this is to allow you to do something with the log files after they have been rolled.
+// Perhaps you want to compress them to save disk space.
+// Perhaps you want to upload them to an FTP server.
+// Perhaps you want to run some analytics on the file.
+// 
+// A default LogFileManager is, of course, provided.
+// The default LogFileManager simply deletes old log files according to the maximumNumberOfLogFiles property.
+// 
+// This protocol provides various methods to fetch the list of log files.
+// 
+// There are two variants: sorted and unsorted.
+// If sorting is not necessary, the unsorted variant is obviously faster.
+// The sorted variant will return an array sorted by when the log files were created,
+// with the most recently created log file at index 0, and the oldest log file at the end of the array.
+// 
+// You can fetch only the log file paths (full path including name), log file names (name only),
+// or an array of DDLogFileInfo objects.
+// The DDLogFileInfo class is documented below, and provides a handy wrapper that
+// gives you easy access to various file attributes such as the creation date or the file size.
+
+@protocol DDLogFileManager <NSObject>
+@required
+
+// Public properties
+
+/**
+ * The maximum number of archived log files to keep on disk.
+ * For example, if this property is set to 3,
+ * then the LogFileManager will only keep 3 archived log files (plus the current active log file) on disk.
+ * Once the active log file is rolled/archived, then the oldest of the existing 3 rolled/archived log files is deleted.
+ * 
+ * You may optionally disable deleting old/rolled/archived log files by setting this property to zero.
+**/
+@property (readwrite, assign) NSUInteger maximumNumberOfLogFiles;
+
+// Public methods
+
+- (NSString *)logsDirectory;
+
+- (NSArray *)unsortedLogFilePaths;
+- (NSArray *)unsortedLogFileNames;
+- (NSArray *)unsortedLogFileInfos;
+
+- (NSArray *)sortedLogFilePaths;
+- (NSArray *)sortedLogFileNames;
+- (NSArray *)sortedLogFileInfos;
+
+// Private methods (only to be used by DDFileLogger)
+
+- (NSString *)createNewLogFile;
+
+@optional
+
+// Notifications from DDFileLogger
+
+- (void)didArchiveLogFile:(NSString *)logFilePath;
+- (void)didRollAndArchiveLogFile:(NSString *)logFilePath;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Default log file manager.
+ * 
+ * All log files are placed inside the logsDirectory.
+ * If a specific logsDirectory isn't specified, the default directory is used.
+ * On Mac, this is in ~/Library/Logs/<Application Name>.
+ * On iPhone, this is in ~/Library/Caches/Logs.
+ * 
+ * Log files are named "<bundle identifier> <date> <time>.log"
+ * Example: com.organization.myapp 2013-12-03 17-14.log
+ * 
+ * Archived log files are automatically deleted according to the maximumNumberOfLogFiles property.
+**/
+@interface DDLogFileManagerDefault : NSObject <DDLogFileManager>
+{
+    NSUInteger maximumNumberOfLogFiles;
+    NSString *_logsDirectory;
+}
+
+- (id)init;
+- (instancetype)initWithLogsDirectory:(NSString *)logsDirectory;
+
+/*
+ * Methods to override.
+ *
+ * Log files are named "<bundle identifier> <date> <time>.log"
+ * Example: com.organization.myapp 2013-12-03 17-14.log
+ *
+ * If you wish to change default filename, you can override following two methods.
+ * - newLogFileName method would be called on new logfile creation.
+ * - isLogFile: method would be called to filter logfiles from all other files in logsDirectory.
+ *   You have to parse given filename and return YES if it is logFile.
+ *
+ * **NOTE**
+ * newLogFileName returns filename. If appropriate file already exists, number would be added
+ * to filename before extension. You have to handle this case in isLogFile: method.
+ *
+ * Example:
+ * - newLogFileName returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03.log" would be created.
+ * - after some time "com.organization.myapp 2013-12-03.log" is archived
+ * - newLogFileName again returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03 2.log" would be created.
+ * - after some time "com.organization.myapp 2013-12-03 1.log" is archived
+ * - newLogFileName again returns "com.organization.myapp 2013-12-03.log",
+ *   file "com.organization.myapp 2013-12-03 3.log" would be created.
+**/
+- (NSString *)newLogFileName;
+- (BOOL)isLogFile:(NSString *)fileName;
+
+/* Inherited from DDLogFileManager protocol:
+
+@property (readwrite, assign) NSUInteger maximumNumberOfLogFiles;
+
+- (NSString *)logsDirectory;
+
+- (NSArray *)unsortedLogFilePaths;
+- (NSArray *)unsortedLogFileNames;
+- (NSArray *)unsortedLogFileInfos;
+
+- (NSArray *)sortedLogFilePaths;
+- (NSArray *)sortedLogFileNames;
+- (NSArray *)sortedLogFileInfos;
+
+*/
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Most users will want file log messages to be prepended with the date and time.
+ * Rather than forcing the majority of users to write their own formatter,
+ * we will supply a logical default formatter.
+ * Users can easily replace this formatter with their own by invoking the setLogFormatter method.
+ * It can also be removed by calling setLogFormatter, and passing a nil parameter.
+ * 
+ * In addition to the convenience of having a logical default formatter,
+ * it will also provide a template that makes it easy for developers to copy and change.
+**/
+@interface DDLogFileFormatterDefault : NSObject <DDLogFormatter>
+{
+    NSDateFormatter *dateFormatter;
+}
+
+- (id)init;
+- (instancetype)initWithDateFormatter:(NSDateFormatter *)dateFormatter;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDFileLogger : DDAbstractLogger <DDLogger>
+{
+    __strong id <DDLogFileManager> logFileManager;
+    
+    DDLogFileInfo *currentLogFileInfo;
+    NSFileHandle *currentLogFileHandle;
+    
+    dispatch_source_t currentLogFileVnode;
+    dispatch_source_t rollingTimer;
+    
+    unsigned long long maximumFileSize;
+    NSTimeInterval rollingFrequency;
+}
+
+- (id)init;
+- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)logFileManager;
+
+/**
+ * Log File Rolling:
+ * 
+ * maximumFileSize:
+ *   The approximate maximum size to allow log files to grow.
+ *   If a log file is larger than this value after a log statement is appended,
+ *   then the log file is rolled.
+ * 
+ * rollingFrequency
+ *   How often to roll the log file.
+ *   The frequency is given as an NSTimeInterval, which is a double that specifies the interval in seconds.
+ *   Once the log file gets to be this old, it is rolled.
+ * 
+ * Both the maximumFileSize and the rollingFrequency are used to manage rolling.
+ * Whichever occurs first will cause the log file to be rolled.
+ * 
+ * For example:
+ * The rollingFrequency is 24 hours,
+ * but the log file surpasses the maximumFileSize after only 20 hours.
+ * The log file will be rolled at that 20 hour mark.
+ * A new log file will be created, and the 24 hour timer will be restarted.
+ * 
+ * You may optionally disable rolling due to filesize by setting maximumFileSize to zero.
+ * If you do so, rolling is based solely on rollingFrequency.
+ * 
+ * You may optionally disable rolling due to time by setting rollingFrequency to zero (or any non-positive number).
+ * If you do so, rolling is based solely on maximumFileSize.
+ * 
+ * If you disable both maximumFileSize and rollingFrequency, then the log file won't ever be rolled.
+ * This is strongly discouraged.
+**/
+@property (readwrite, assign) unsigned long long maximumFileSize;
+@property (readwrite, assign) NSTimeInterval rollingFrequency;
+
+/**
+ * The DDLogFileManager instance can be used to retrieve the list of log files,
+ * and configure the maximum number of archived log files to keep.
+ * 
+ * @see DDLogFileManager.maximumNumberOfLogFiles
+**/
+@property (strong, nonatomic, readonly) id <DDLogFileManager> logFileManager;
+
+
+// You can optionally force the current log file to be rolled with this method.
+// CompletionBlock will be called on main queue.
+
+- (void)rollLogFileWithCompletionBlock:(void (^)())completionBlock;
+
+// Method is deprecated. Use rollLogFileWithCompletionBlock: method instead.
+
+- (void)rollLogFile __attribute((deprecated));
+
+// Inherited from DDAbstractLogger
+
+// - (id <DDLogFormatter>)logFormatter;
+// - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * DDLogFileInfo is a simple class that provides access to various file attributes.
+ * It provides good performance as it only fetches the information if requested,
+ * and it caches the information to prevent duplicate fetches.
+ * 
+ * It was designed to provide quick snapshots of the current state of log files,
+ * and to help sort log files in an array.
+ * 
+ * This class does not monitor the files, or update it's cached attribute values if the file changes on disk.
+ * This is not what the class was designed for.
+ * 
+ * If you absolutely must get updated values,
+ * you can invoke the reset method which will clear the cache.
+**/
+@interface DDLogFileInfo : NSObject
+{
+    __strong NSString *filePath;
+    __strong NSString *fileName;
+    
+    __strong NSDictionary *fileAttributes;
+    
+    __strong NSDate *creationDate;
+    __strong NSDate *modificationDate;
+    
+    unsigned long long fileSize;
+}
+
+@property (strong, nonatomic, readonly) NSString *filePath;
+@property (strong, nonatomic, readonly) NSString *fileName;
+
+@property (strong, nonatomic, readonly) NSDictionary *fileAttributes;
+
+@property (strong, nonatomic, readonly) NSDate *creationDate;
+@property (strong, nonatomic, readonly) NSDate *modificationDate;
+
+@property (nonatomic, readonly) unsigned long long fileSize;
+
+@property (nonatomic, readonly) NSTimeInterval age;
+
+@property (nonatomic, readwrite) BOOL isArchived;
+
++ (instancetype)logFileWithPath:(NSString *)filePath;
+
+- (instancetype)initWithFilePath:(NSString *)filePath;
+
+- (void)reset;
+- (void)renameFile:(NSString *)newFileName;
+
+#if TARGET_IPHONE_SIMULATOR
+
+// So here's the situation.
+// Extended attributes are perfect for what we're trying to do here (marking files as archived).
+// This is exactly what extended attributes were designed for.
+// 
+// But Apple screws us over on the simulator.
+// Everytime you build-and-go, they copy the application into a new folder on the hard drive,
+// and as part of the process they strip extended attributes from our log files.
+// Normally, a copy of a file preserves extended attributes.
+// So obviously Apple has gone to great lengths to piss us off.
+// 
+// Thus we use a slightly different tactic for marking log files as archived in the simulator.
+// That way it "just works" and there's no confusion when testing.
+// 
+// The difference in method names is indicative of the difference in functionality.
+// On the simulator we add an attribute by appending a filename extension.
+// 
+// For example:
+// "mylog.txt" -> "mylog.archived.txt"
+// "mylog"     -> "mylog.archived"
+
+- (BOOL)hasExtensionAttributeWithName:(NSString *)attrName;
+
+- (void)addExtensionAttributeWithName:(NSString *)attrName;
+- (void)removeExtensionAttributeWithName:(NSString *)attrName;
+
+#else
+
+// Normal use of extended attributes used everywhere else,
+// such as on Macs and on iPhone devices.
+
+- (BOOL)hasExtendedAttributeWithName:(NSString *)attrName;
+
+- (void)addExtendedAttributeWithName:(NSString *)attrName;
+- (void)removeExtendedAttributeWithName:(NSString *)attrName;
+
+#endif
+
+- (NSComparisonResult)reverseCompareByCreationDate:(DDLogFileInfo *)another;
+- (NSComparisonResult)reverseCompareByModificationDate:(DDLogFileInfo *)another;
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDFileLogger.m b/Vendor/CocoaLumberjack/DDFileLogger.m
new file mode 100755
index 0000000..077f2b2
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDFileLogger.m
@@ -0,0 +1,1539 @@
+#import "DDFileLogger.h"
+
+#import <unistd.h>
+#import <sys/attr.h>
+#import <sys/xattr.h>
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// We probably shouldn't be using DDLog() statements within the DDLog implementation.
+// But we still want to leave our log statements for any future debugging,
+// and to allow other developers to trace the implementation (which is a great learning tool).
+// 
+// So we use primitive logging macros around NSLog.
+// We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
+
+#define LOG_LEVEL 2
+
+#define NSLogError(frmt, ...)    do{ if(LOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogWarn(frmt, ...)     do{ if(LOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogInfo(frmt, ...)     do{ if(LOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogDebug(frmt, ...)    do{ if(LOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogVerbose(frmt, ...)  do{ if(LOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
+
+@interface DDLogFileManagerDefault (PrivateAPI)
+
+- (void)deleteOldLogFiles;
+- (NSString *)defaultLogsDirectory;
+
+@end
+
+@interface DDFileLogger (PrivateAPI)
+
+- (void)rollLogFileNow;
+- (void)maybeRollLogFileDueToAge;
+- (void)maybeRollLogFileDueToSize;
+
+@end
+
+#if TARGET_OS_IPHONE
+BOOL doesAppRunInBackground(void);
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLogFileManagerDefault
+
+@synthesize maximumNumberOfLogFiles;
+
+- (id)init
+{
+    return [self initWithLogsDirectory:nil];
+}
+
+- (instancetype)initWithLogsDirectory:(NSString *)aLogsDirectory
+{
+    if ((self = [super init]))
+    {
+        maximumNumberOfLogFiles = DEFAULT_LOG_MAX_NUM_LOG_FILES;
+        
+        if (aLogsDirectory)
+            _logsDirectory = [aLogsDirectory copy];
+        else
+            _logsDirectory = [[self defaultLogsDirectory] copy];
+        
+        NSKeyValueObservingOptions kvoOptions = NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew;
+        
+        [self addObserver:self forKeyPath:NSStringFromSelector(@selector(maximumNumberOfLogFiles)) options:kvoOptions context:nil];
+        
+        NSLogVerbose(@"DDFileLogManagerDefault: logsDirectory:\n%@", [self logsDirectory]);
+        NSLogVerbose(@"DDFileLogManagerDefault: sortedLogFileNames:\n%@", [self sortedLogFileNames]);
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    // try-catch because the observer might be removed or never added. In this case, removeObserver throws and exception
+    @try {
+        [self removeObserver:self forKeyPath:NSStringFromSelector(@selector(maximumNumberOfLogFiles))];
+    }
+    @catch (NSException *exception) {
+        
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)observeValueForKeyPath:(NSString *)keyPath
+                      ofObject:(id)object
+                        change:(NSDictionary *)change
+                       context:(void *)context
+{
+    NSNumber *old = [change objectForKey:NSKeyValueChangeOldKey];
+    NSNumber *new = [change objectForKey:NSKeyValueChangeNewKey];
+    
+    if ([old isEqual:new])
+    {
+        // No change in value - don't bother with any processing.
+        return;
+    }
+    
+    if ([keyPath isEqualToString:NSStringFromSelector(@selector(maximumNumberOfLogFiles))])
+    {
+        NSLogInfo(@"DDFileLogManagerDefault: Responding to configuration change: maximumNumberOfLogFiles");
+        
+        dispatch_async([DDLog loggingQueue], ^{ @autoreleasepool {
+            
+            [self deleteOldLogFiles];
+        }});
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark File Deleting
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Deletes archived log files that exceed the maximumNumberOfLogFiles configuration value.
+**/
+- (void)deleteOldLogFiles
+{
+    NSLogVerbose(@"DDLogFileManagerDefault: deleteOldLogFiles");
+    
+    NSUInteger maxNumLogFiles = self.maximumNumberOfLogFiles;
+    if (maxNumLogFiles == 0)
+    {
+        // Unlimited - don't delete any log files
+        return;
+    }
+    
+    NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
+    
+    // Do we consider the first file?
+    // We are only supposed to be deleting archived files.
+    // In most cases, the first file is likely the log file that is currently being written to.
+    // So in most cases, we do not want to consider this file for deletion.
+    
+    NSUInteger count = [sortedLogFileInfos count];
+    BOOL excludeFirstFile = NO;
+    
+    if (count > 0)
+    {
+        DDLogFileInfo *logFileInfo = [sortedLogFileInfos objectAtIndex:0];
+        
+        if (!logFileInfo.isArchived)
+        {
+            excludeFirstFile = YES;
+        }
+    }
+    
+    NSArray *sortedArchivedLogFileInfos;
+    if (excludeFirstFile)
+    {
+        count--;
+        sortedArchivedLogFileInfos = [sortedLogFileInfos subarrayWithRange:NSMakeRange(1, count)];
+    }
+    else
+    {
+        sortedArchivedLogFileInfos = sortedLogFileInfos;
+    }
+    
+    NSUInteger i;
+    for (i = maxNumLogFiles; i < count; i++)
+    {
+        DDLogFileInfo *logFileInfo = [sortedArchivedLogFileInfos objectAtIndex:i];
+        
+        NSLogInfo(@"DDLogFileManagerDefault: Deleting file: %@", logFileInfo.fileName);
+        
+        [[NSFileManager defaultManager] removeItemAtPath:logFileInfo.filePath error:nil];
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Log Files
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the path to the default logs directory.
+ * If the logs directory doesn't exist, this method automatically creates it.
+**/
+- (NSString *)defaultLogsDirectory
+{
+#if TARGET_OS_IPHONE
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
+    NSString *baseDir = ([paths count] > 0) ? [paths objectAtIndex:0] : nil;
+    NSString *logsDirectory = [baseDir stringByAppendingPathComponent:@"Logs"];
+    
+#else
+    NSString *appName = [[NSProcessInfo processInfo] processName];
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
+    NSString *basePath = ([paths count] > 0) ? [paths objectAtIndex:0] : NSTemporaryDirectory();
+    NSString *logsDirectory = [[basePath stringByAppendingPathComponent:@"Logs"] stringByAppendingPathComponent:appName];
+
+#endif
+
+    return logsDirectory;
+}
+
+- (NSString *)logsDirectory
+{
+    // We could do this check once, during initalization, and not bother again.
+    // But this way the code continues to work if the directory gets deleted while the code is running.
+    
+    if (![[NSFileManager defaultManager] fileExistsAtPath:_logsDirectory])
+    {
+        NSError *err = nil;
+        if (![[NSFileManager defaultManager] createDirectoryAtPath:_logsDirectory
+                                       withIntermediateDirectories:YES attributes:nil error:&err])
+        {
+            NSLogError(@"DDFileLogManagerDefault: Error creating logsDirectory: %@", err);
+        }
+    }
+    
+    return _logsDirectory;
+}
+
+/**
+ * Default log file name is "<bundle identifier> <date> <time>.log".
+ * Example: MobileSafari 2013-12-03 17-14.log
+ *
+ * You can change it by overriding newLogFileName and isLogFile: methods.
+**/
+- (BOOL)isLogFile:(NSString *)fileName
+{
+    NSString *appName = [self applicationName];
+
+    BOOL hasProperPrefix = [fileName hasPrefix:appName];
+    BOOL hasProperSuffix = [fileName hasSuffix:@".log"];
+    BOOL hasProperDate = NO;
+
+    if (hasProperPrefix && hasProperSuffix)
+    {
+        NSUInteger lengthOfMiddle = fileName.length - appName.length - @".log".length;
+
+        // Date string should have at least 16 characters - " 2013-12-03 17-14"
+        if (lengthOfMiddle >= 17)
+        {
+            NSRange range = NSMakeRange(appName.length, lengthOfMiddle);
+
+            NSString *middle = [fileName substringWithRange:range];
+            NSArray *components = [middle componentsSeparatedByString:@" "];
+
+            // When creating logfile if there is existing file with the same name, we append attemp number at the end.
+            // Thats why here we can have three or four components. For details see createNewLogFile method.
+            //
+            // Components:
+            //     "", "2013-12-03", "17-14"
+            // or
+            //     "", "2013-12-03", "17-14", "1"
+            if (components.count == 3 || components.count == 4)
+            {
+                NSString *dateString = [NSString stringWithFormat:@"%@ %@", components[1], components[2]];
+                NSDateFormatter *dateFormatter = [self logFileDateFormatter];
+
+                NSDate *date = [dateFormatter dateFromString:dateString];
+
+                if (date)
+                {
+                    hasProperDate = YES;
+                }
+            }
+        }
+    }
+
+    return (hasProperPrefix && hasProperDate && hasProperSuffix);
+}
+
+- (NSDateFormatter *)logFileDateFormatter
+{
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    [dateFormatter setDateFormat:@"yyyy'-'MM'-'dd' 'HH'-'mm'"];
+    [dateFormatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
+
+    return dateFormatter;
+}
+
+/**
+ * Returns an array of NSString objects,
+ * each of which is the filePath to an existing log file on disk.
+**/
+- (NSArray *)unsortedLogFilePaths
+{
+    NSString *logsDirectory = [self logsDirectory];
+    NSArray *fileNames = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:logsDirectory error:nil];
+    
+    NSMutableArray *unsortedLogFilePaths = [NSMutableArray arrayWithCapacity:[fileNames count]];
+    
+    for (NSString *fileName in fileNames)
+    {
+        // Filter out any files that aren't log files. (Just for extra safety)
+        
+    #if TARGET_IPHONE_SIMULATOR
+        // In case of iPhone simulator there can be 'archived' extension. isLogFile:
+        // method knows nothing about it. Thus removing it for this method.
+        //
+        // See full explanation in the header file.
+        NSString *theFileName = [fileName stringByReplacingOccurrencesOfString:@".archived"
+                                                                    withString:@""];
+
+        if ([self isLogFile:theFileName])
+    #else
+        if ([self isLogFile:fileName])
+    #endif
+        {
+            NSString *filePath = [logsDirectory stringByAppendingPathComponent:fileName];
+            
+            [unsortedLogFilePaths addObject:filePath];
+        }
+    }
+    
+    return unsortedLogFilePaths;
+}
+
+/**
+ * Returns an array of NSString objects,
+ * each of which is the fileName of an existing log file on disk.
+**/
+- (NSArray *)unsortedLogFileNames
+{
+    NSArray *unsortedLogFilePaths = [self unsortedLogFilePaths];
+    
+    NSMutableArray *unsortedLogFileNames = [NSMutableArray arrayWithCapacity:[unsortedLogFilePaths count]];
+    
+    for (NSString *filePath in unsortedLogFilePaths)
+    {
+        [unsortedLogFileNames addObject:[filePath lastPathComponent]];
+    }
+    
+    return unsortedLogFileNames;
+}
+
+/**
+ * Returns an array of DDLogFileInfo objects,
+ * each representing an existing log file on disk,
+ * and containing important information about the log file such as it's modification date and size.
+**/
+- (NSArray *)unsortedLogFileInfos
+{
+    NSArray *unsortedLogFilePaths = [self unsortedLogFilePaths];
+    
+    NSMutableArray *unsortedLogFileInfos = [NSMutableArray arrayWithCapacity:[unsortedLogFilePaths count]];
+    
+    for (NSString *filePath in unsortedLogFilePaths)
+    {
+        DDLogFileInfo *logFileInfo = [[DDLogFileInfo alloc] initWithFilePath:filePath];
+        
+        [unsortedLogFileInfos addObject:logFileInfo];
+    }
+    
+    return unsortedLogFileInfos;
+}
+
+/**
+ * Just like the unsortedLogFilePaths method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFilePaths
+{
+    NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
+    
+    NSMutableArray *sortedLogFilePaths = [NSMutableArray arrayWithCapacity:[sortedLogFileInfos count]];
+    
+    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos)
+    {
+        [sortedLogFilePaths addObject:[logFileInfo filePath]];
+    }
+    
+    return sortedLogFilePaths;
+}
+
+/**
+ * Just like the unsortedLogFileNames method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFileNames
+{
+    NSArray *sortedLogFileInfos = [self sortedLogFileInfos];
+    
+    NSMutableArray *sortedLogFileNames = [NSMutableArray arrayWithCapacity:[sortedLogFileInfos count]];
+    
+    for (DDLogFileInfo *logFileInfo in sortedLogFileInfos)
+    {
+        [sortedLogFileNames addObject:[logFileInfo fileName]];
+    }
+    
+    return sortedLogFileNames;
+}
+
+/**
+ * Just like the unsortedLogFileInfos method, but sorts the array.
+ * The items in the array are sorted by creation date.
+ * The first item in the array will be the most recently created log file.
+**/
+- (NSArray *)sortedLogFileInfos
+{
+    return [[self unsortedLogFileInfos] sortedArrayUsingSelector:@selector(reverseCompareByCreationDate:)];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Creation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Generates log file name with default format "<bundle identifier> <date> <time>.log"
+ * Example: MobileSafari 2013-12-03 17-14.log
+ *
+ * You can change it by overriding newLogFileName and isLogFile: methods.
+**/
+- (NSString *)newLogFileName
+{
+    NSString *appName = [self applicationName];
+
+    NSDateFormatter *dateFormatter = [self logFileDateFormatter];
+    NSString *formattedDate = [dateFormatter stringFromDate:[NSDate date]];
+
+    return [NSString stringWithFormat:@"%@ %@.log", appName, formattedDate];
+}
+
+/**
+ * Generates a new unique log file path, and creates the corresponding log file.
+**/
+- (NSString *)createNewLogFile
+{
+    NSString *fileName = [self newLogFileName];
+    NSString *logsDirectory = [self logsDirectory];
+
+    NSUInteger attempt = 1;
+    do
+    {
+        NSString *actualFileName = fileName;
+
+        if (attempt > 1) {
+            NSString *extension = [actualFileName pathExtension];
+
+            actualFileName = [actualFileName stringByDeletingPathExtension];
+            actualFileName = [actualFileName stringByAppendingFormat:@" %lu", (unsigned long)attempt];
+            if (extension.length) {
+                actualFileName = [actualFileName stringByAppendingPathExtension:extension];
+            }
+        }
+
+        NSString *filePath = [logsDirectory stringByAppendingPathComponent:actualFileName];
+
+        if (![[NSFileManager defaultManager] fileExistsAtPath:filePath])
+        {
+            NSLogVerbose(@"DDLogFileManagerDefault: Creating new log file: %@", actualFileName);
+
+            NSDictionary *attributes = nil;
+
+        #if TARGET_OS_IPHONE
+             // When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
+             // 
+             // But in case if app is able to launch from background we need to have an ability to open log file any time we
+             // want (even if device is locked). Thats why that attribute have to be changed to
+             // NSFileProtectionCompleteUntilFirstUserAuthentication.
+
+            NSString *key = doesAppRunInBackground() ?
+                NSFileProtectionCompleteUntilFirstUserAuthentication : NSFileProtectionCompleteUnlessOpen;
+
+            attributes = @{ NSFileProtectionKey : key };
+        #endif
+            
+            [[NSFileManager defaultManager] createFileAtPath:filePath contents:nil attributes:attributes];
+            
+            // Since we just created a new log file, we may need to delete some old log files
+            [self deleteOldLogFiles];
+            
+            return filePath;
+        } else {
+            attempt++;
+        }
+        
+    } while(YES);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utility
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)applicationName
+{
+    static NSString *_appName;
+    static dispatch_once_t onceToken;
+
+    dispatch_once(&onceToken, ^{
+        _appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIdentifier"];
+
+        if (! _appName)
+        {
+            _appName = [[NSProcessInfo processInfo] processName];
+        }
+
+        if (! _appName)
+        {
+            _appName = @"";
+        }
+    });
+
+    return _appName;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLogFileFormatterDefault
+
+- (id)init
+{
+    return [self initWithDateFormatter:nil];
+}
+
+- (instancetype)initWithDateFormatter:(NSDateFormatter *)aDateFormatter
+{
+    if ((self = [super init]))
+    {
+        if (aDateFormatter)
+        {
+            dateFormatter = aDateFormatter;
+        }
+        else
+        {
+            dateFormatter = [[NSDateFormatter alloc] init];
+            [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4]; // 10.4+ style
+            [dateFormatter setDateFormat:@"yyyy/MM/dd HH:mm:ss:SSS"];
+        }
+    }
+    return self;
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    NSString *dateAndTime = [dateFormatter stringFromDate:(logMessage->timestamp)];
+    
+    return [NSString stringWithFormat:@"%@  %@", dateAndTime, logMessage->logMsg];
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDFileLogger
+
+- (id)init
+{
+    DDLogFileManagerDefault *defaultLogFileManager = [[DDLogFileManagerDefault alloc] init];
+    
+    return [self initWithLogFileManager:defaultLogFileManager];
+}
+
+- (instancetype)initWithLogFileManager:(id <DDLogFileManager>)aLogFileManager
+{
+    if ((self = [super init]))
+    {
+        maximumFileSize = DEFAULT_LOG_MAX_FILE_SIZE;
+        rollingFrequency = DEFAULT_LOG_ROLLING_FREQUENCY;
+        
+        logFileManager = aLogFileManager;
+        
+        formatter = [[DDLogFileFormatterDefault alloc] init];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [currentLogFileHandle synchronizeFile];
+    [currentLogFileHandle closeFile];
+
+    if (currentLogFileVnode) {
+        dispatch_source_cancel(currentLogFileVnode);
+        currentLogFileVnode = NULL;
+    }
+
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize logFileManager;
+
+- (unsigned long long)maximumFileSize
+{
+    __block unsigned long long result;
+    
+    dispatch_block_t block = ^{
+        result = maximumFileSize;
+    };
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the maximumFileSize variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, block);
+    });
+    
+    return result;
+}
+
+- (void)setMaximumFileSize:(unsigned long long)newMaximumFileSize
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        maximumFileSize = newMaximumFileSize;
+        [self maybeRollLogFileDueToSize];
+        
+    }};
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the maximumFileSize variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_async(globalLoggingQueue, ^{
+        dispatch_async(loggerQueue, block);
+    });
+}
+
+- (NSTimeInterval)rollingFrequency
+{
+    __block NSTimeInterval result;
+    
+    dispatch_block_t block = ^{
+        result = rollingFrequency;
+    };
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation should access the rollingFrequency variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, block);
+    });
+    
+    return result;
+}
+
+- (void)setRollingFrequency:(NSTimeInterval)newRollingFrequency
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        rollingFrequency = newRollingFrequency;
+        [self maybeRollLogFileDueToAge];
+    }};
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation should access the rollingFrequency variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_async(globalLoggingQueue, ^{
+        dispatch_async(loggerQueue, block);
+    });
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark File Rolling
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)scheduleTimerToRollLogFileDueToAge
+{
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
+    }
+    
+    if (currentLogFileInfo == nil || rollingFrequency <= 0.0)
+    {
+        return;
+    }
+    
+    NSDate *logFileCreationDate = [currentLogFileInfo creationDate];
+    
+    NSTimeInterval ti = [logFileCreationDate timeIntervalSinceReferenceDate];
+    ti += rollingFrequency;
+    
+    NSDate *logFileRollingDate = [NSDate dateWithTimeIntervalSinceReferenceDate:ti];
+    
+    NSLogVerbose(@"DDFileLogger: scheduleTimerToRollLogFileDueToAge");
+    
+    NSLogVerbose(@"DDFileLogger: logFileCreationDate: %@", logFileCreationDate);
+    NSLogVerbose(@"DDFileLogger: logFileRollingDate : %@", logFileRollingDate);
+    
+    rollingTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, loggerQueue);
+    
+    dispatch_source_set_event_handler(rollingTimer, ^{ @autoreleasepool {
+        
+        [self maybeRollLogFileDueToAge];
+        
+    }});
+    
+    #if !OS_OBJECT_USE_OBJC
+    dispatch_source_t theRollingTimer = rollingTimer;
+    dispatch_source_set_cancel_handler(rollingTimer, ^{
+        dispatch_release(theRollingTimer);
+    });
+    #endif
+    
+    uint64_t delay = (uint64_t)([logFileRollingDate timeIntervalSinceNow] * NSEC_PER_SEC);
+    dispatch_time_t fireTime = dispatch_time(DISPATCH_TIME_NOW, delay);
+    
+    dispatch_source_set_timer(rollingTimer, fireTime, DISPATCH_TIME_FOREVER, 1.0);
+    dispatch_resume(rollingTimer);
+}
+
+
+- (void)rollLogFile
+{
+    [self rollLogFileWithCompletionBlock:nil];
+}
+
+- (void)rollLogFileWithCompletionBlock:(void (^)())completionBlock
+{
+    // This method is public.
+    // We need to execute the rolling on our logging thread/queue.
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [self rollLogFileNow];
+
+        if (completionBlock)
+        {
+            dispatch_async(dispatch_get_main_queue(), ^{
+                completionBlock();
+            });
+        }
+    }};
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)rollLogFileNow
+{
+    NSLogVerbose(@"DDFileLogger: rollLogFileNow");
+    
+    
+    if (currentLogFileHandle == nil) return;
+    
+    [currentLogFileHandle synchronizeFile];
+    [currentLogFileHandle closeFile];
+    currentLogFileHandle = nil;
+    
+    currentLogFileInfo.isArchived = YES;
+    
+    if ([logFileManager respondsToSelector:@selector(didRollAndArchiveLogFile:)])
+    {
+        [logFileManager didRollAndArchiveLogFile:(currentLogFileInfo.filePath)];
+    }
+    
+    currentLogFileInfo = nil;
+    
+    if (currentLogFileVnode) {
+        dispatch_source_cancel(currentLogFileVnode);
+        currentLogFileVnode = NULL;
+    }
+
+    if (rollingTimer)
+    {
+        dispatch_source_cancel(rollingTimer);
+        rollingTimer = NULL;
+    }
+}
+
+- (void)maybeRollLogFileDueToAge
+{
+    if (rollingFrequency > 0.0 && currentLogFileInfo.age >= rollingFrequency)
+    {
+        NSLogVerbose(@"DDFileLogger: Rolling log file due to age...");
+        
+        [self rollLogFileNow];
+    }
+    else
+    {
+        [self scheduleTimerToRollLogFileDueToAge];
+    }
+}
+
+- (void)maybeRollLogFileDueToSize
+{
+    // This method is called from logMessage.
+    // Keep it FAST.
+    
+    // Note: Use direct access to maximumFileSize variable.
+    // We specifically wrote our own getter/setter method to allow us to do this (for performance reasons).
+    
+    if (maximumFileSize > 0)
+    {
+        unsigned long long fileSize = [currentLogFileHandle offsetInFile];
+        
+        if (fileSize >= maximumFileSize)
+        {
+            NSLogVerbose(@"DDFileLogger: Rolling log file due to size (%qu)...", fileSize);
+            
+            [self rollLogFileNow];
+        }
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark File Logging
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the log file that should be used.
+ * If there is an existing log file that is suitable,
+ * within the constraints of maximumFileSize and rollingFrequency, then it is returned.
+ * 
+ * Otherwise a new file is created and returned.
+**/
+- (DDLogFileInfo *)currentLogFileInfo
+{
+    if (currentLogFileInfo == nil)
+    {
+        NSArray *sortedLogFileInfos = [logFileManager sortedLogFileInfos];
+        
+        if ([sortedLogFileInfos count] > 0)
+        {
+            DDLogFileInfo *mostRecentLogFileInfo = [sortedLogFileInfos objectAtIndex:0];
+            
+            BOOL useExistingLogFile = YES;
+            BOOL shouldArchiveMostRecent = NO;
+            
+            if (mostRecentLogFileInfo.isArchived)
+            {
+                useExistingLogFile = NO;
+                shouldArchiveMostRecent = NO;
+            }
+            else if (maximumFileSize > 0 && mostRecentLogFileInfo.fileSize >= maximumFileSize)
+            {
+                useExistingLogFile = NO;
+                shouldArchiveMostRecent = YES;
+            }
+            else if (rollingFrequency > 0.0 && mostRecentLogFileInfo.age >= rollingFrequency)
+            {
+                useExistingLogFile = NO;
+                shouldArchiveMostRecent = YES;
+            }
+
+
+        #if TARGET_OS_IPHONE
+            // When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
+            // 
+            // But in case if app is able to launch from background we need to have an ability to open log file any time we
+            // want (even if device is locked). Thats why that attribute have to be changed to
+            // NSFileProtectionCompleteUntilFirstUserAuthentication.
+            //
+            // If previous log was created when app wasn't running in background, but now it is - we archive it and create
+            // a new one.
+
+            if (useExistingLogFile && doesAppRunInBackground()) {
+                NSString *key = mostRecentLogFileInfo.fileAttributes[NSFileProtectionKey];
+
+                if (! [key isEqualToString:NSFileProtectionCompleteUntilFirstUserAuthentication]) {
+                    useExistingLogFile = NO;
+                    shouldArchiveMostRecent = YES;
+                }
+            }
+        #endif
+            
+            if (useExistingLogFile)
+            {
+                NSLogVerbose(@"DDFileLogger: Resuming logging with file %@", mostRecentLogFileInfo.fileName);
+                
+                currentLogFileInfo = mostRecentLogFileInfo;
+            }
+            else
+            {
+                if (shouldArchiveMostRecent)
+                {
+                    mostRecentLogFileInfo.isArchived = YES;
+                    
+                    if ([logFileManager respondsToSelector:@selector(didArchiveLogFile:)])
+                    {
+                        [logFileManager didArchiveLogFile:(mostRecentLogFileInfo.filePath)];
+                    }
+                }
+            }
+        }
+        
+        if (currentLogFileInfo == nil)
+        {
+            NSString *currentLogFilePath = [logFileManager createNewLogFile];
+            
+            currentLogFileInfo = [[DDLogFileInfo alloc] initWithFilePath:currentLogFilePath];
+        }
+    }
+    
+    return currentLogFileInfo;
+}
+
+- (NSFileHandle *)currentLogFileHandle
+{
+    if (currentLogFileHandle == nil)
+    {
+        NSString *logFilePath = [[self currentLogFileInfo] filePath];
+        
+        currentLogFileHandle = [NSFileHandle fileHandleForWritingAtPath:logFilePath];
+        [currentLogFileHandle seekToEndOfFile];
+        
+        if (currentLogFileHandle)
+        {
+            [self scheduleTimerToRollLogFileDueToAge];
+
+            // Here we are monitoring the log file. In case if it would be deleted ormoved
+            // somewhere we want to roll it and use a new one.
+            currentLogFileVnode = dispatch_source_create(
+                DISPATCH_SOURCE_TYPE_VNODE,
+                [currentLogFileHandle fileDescriptor],
+                DISPATCH_VNODE_DELETE | DISPATCH_VNODE_RENAME,
+                loggerQueue
+            );
+
+            dispatch_source_set_event_handler(currentLogFileVnode, ^{ @autoreleasepool {
+                NSLogInfo(@"DDFileLogger: Current logfile was moved. Rolling it and creating a new one");
+                [self rollLogFileNow];
+            }});
+
+            #if !OS_OBJECT_USE_OBJC
+            dispatch_source_t vnode = currentLogFileVnode;
+            dispatch_source_set_cancel_handler(currentLogFileVnode, ^{
+                dispatch_release(vnode);
+            });
+            #endif
+
+            dispatch_resume(currentLogFileVnode);
+        }
+    }
+    
+    return currentLogFileHandle;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark DDLogger Protocol
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+static int exception_count = 0;
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    NSString *logMsg = logMessage->logMsg;
+    
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+    }
+    
+    if (logMsg)
+    {
+        if (![logMsg hasSuffix:@"\n"])
+        {
+            logMsg = [logMsg stringByAppendingString:@"\n"];
+        }
+        
+        NSData *logData = [logMsg dataUsingEncoding:NSUTF8StringEncoding];
+
+        @try {
+            [[self currentLogFileHandle] writeData:logData];
+
+            [self maybeRollLogFileDueToSize];
+        }
+        @catch (NSException *exception) {
+            exception_count++;
+            if (exception_count <= 10) {
+                NSLogError(@"DDFileLogger.logMessage: %@", exception);
+                if (exception_count == 10)
+                    NSLogError(@"DDFileLogger.logMessage: Too many exceptions -- will not log any more of them.");
+            }
+        }
+    }
+}
+
+- (void)willRemoveLogger
+{
+    // If you override me be sure to invoke [super willRemoveLogger];
+    
+    [self rollLogFileNow];
+}
+
+- (NSString *)loggerName
+{
+    return @"cocoa.lumberjack.fileLogger";
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_IPHONE_SIMULATOR
+  #define XATTR_ARCHIVED_NAME  @"archived"
+#else
+  #define XATTR_ARCHIVED_NAME  @"lumberjack.log.archived"
+#endif
+
+@implementation DDLogFileInfo
+
+@synthesize filePath;
+
+@dynamic fileName;
+@dynamic fileAttributes;
+@dynamic creationDate;
+@dynamic modificationDate;
+@dynamic fileSize;
+@dynamic age;
+
+@dynamic isArchived;
+
+
+#pragma mark Lifecycle
+
++ (instancetype)logFileWithPath:(NSString *)aFilePath
+{
+    return [[self alloc] initWithFilePath:aFilePath];
+}
+
+- (instancetype)initWithFilePath:(NSString *)aFilePath
+{
+    if ((self = [super init]))
+    {
+        filePath = [aFilePath copy];
+    }
+    return self;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Standard Info
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSDictionary *)fileAttributes
+{
+    if (fileAttributes == nil)
+    {
+        fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];
+    }
+    return fileAttributes;
+}
+
+- (NSString *)fileName
+{
+    if (fileName == nil)
+    {
+        fileName = [filePath lastPathComponent];
+    }
+    return fileName;
+}
+
+- (NSDate *)modificationDate
+{
+    if (modificationDate == nil)
+    {
+        modificationDate = [[self fileAttributes] objectForKey:NSFileModificationDate];
+    }
+    
+    return modificationDate;
+}
+
+- (NSDate *)creationDate
+{
+    if (creationDate == nil)
+    {
+        creationDate = [[self fileAttributes] objectForKey:NSFileCreationDate];
+    }
+    return creationDate;
+}
+
+- (unsigned long long)fileSize
+{
+    if (fileSize == 0)
+    {
+        fileSize = [[[self fileAttributes] objectForKey:NSFileSize] unsignedLongLongValue];
+    }
+    
+    return fileSize;
+}
+
+- (NSTimeInterval)age
+{
+    return [[self creationDate] timeIntervalSinceNow] * -1.0;
+}
+
+- (NSString *)description
+{
+    return [@{@"filePath": self.filePath ?: @"",
+              @"fileName": self.fileName ?: @"",
+              @"fileAttributes": self.fileAttributes ?: @"",
+              @"creationDate": self.creationDate ?: @"",
+              @"modificationDate": self.modificationDate ?: @"",
+              @"fileSize": @(self.fileSize),
+              @"age": @(self.age),
+              @"isArchived": @(self.isArchived)} description];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Archiving
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isArchived
+{
+    
+#if TARGET_IPHONE_SIMULATOR
+    
+    // Extended attributes don't work properly on the simulator.
+    // So we have to use a less attractive alternative.
+    // See full explanation in the header file.
+    
+    return [self hasExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    
+#else
+    
+    return [self hasExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    
+#endif
+}
+
+- (void)setIsArchived:(BOOL)flag
+{
+    
+#if TARGET_IPHONE_SIMULATOR
+    
+    // Extended attributes don't work properly on the simulator.
+    // So we have to use a less attractive alternative.
+    // See full explanation in the header file.
+    
+    if (flag)
+        [self addExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    else
+        [self removeExtensionAttributeWithName:XATTR_ARCHIVED_NAME];
+    
+#else
+    
+    if (flag)
+        [self addExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    else
+        [self removeExtendedAttributeWithName:XATTR_ARCHIVED_NAME];
+    
+#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Changes
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)reset
+{
+    fileName = nil;
+    fileAttributes = nil;
+    creationDate = nil;
+    modificationDate = nil;
+}
+
+- (void)renameFile:(NSString *)newFileName
+{
+    // This method is only used on the iPhone simulator, where normal extended attributes are broken.
+    // See full explanation in the header file.
+    
+    if (![newFileName isEqualToString:[self fileName]])
+    {
+        NSString *fileDir = [filePath stringByDeletingLastPathComponent];
+        
+        NSString *newFilePath = [fileDir stringByAppendingPathComponent:newFileName];
+        
+        NSLogVerbose(@"DDLogFileInfo: Renaming file: '%@' -> '%@'", self.fileName, newFileName);
+
+        NSError *error = nil;
+        if (![[NSFileManager defaultManager] fileExistsAtPath:newFilePath]){
+            if([[NSFileManager defaultManager] removeItemAtPath:newFilePath error:&error]){
+                NSLogError(@"DDLogFileInfo: Error deleting archive (%@): %@", self.fileName, error);
+            }
+        }
+
+        if (![[NSFileManager defaultManager] moveItemAtPath:filePath toPath:newFilePath error:&error])
+        {
+            NSLogError(@"DDLogFileInfo: Error renaming file (%@): %@", self.fileName, error);
+        }
+
+        filePath = newFilePath;
+        [self reset];
+    }
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Attribute Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if TARGET_IPHONE_SIMULATOR
+
+// Extended attributes don't work properly on the simulator.
+// So we have to use a less attractive alternative.
+// See full explanation in the header file.
+
+- (BOOL)hasExtensionAttributeWithName:(NSString *)attrName
+{
+    // This method is only used on the iPhone simulator, where normal extended attributes are broken.
+    // See full explanation in the header file.
+    
+    // Split the file name into components. File name may have various format, but generally
+    // structure is same:
+    //
+    // <name part>.<extension part> and <name part>.archived.<extension part>
+    // or
+    // <name part> and <name part>.archived
+    //
+    // So we want to search for the attrName in the components (ignoring the first array index).
+    
+    NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
+    
+    // Watch out for file names without an extension
+
+    for (NSUInteger i = 1; i < components.count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
+
+        if ([attrName isEqualToString:attr])
+        {
+            return YES;
+        }
+    }
+
+    return NO;
+}
+
+- (void)addExtensionAttributeWithName:(NSString *)attrName
+{
+    // This method is only used on the iPhone simulator, where normal extended attributes are broken.
+    // See full explanation in the header file.
+    
+    if ([attrName length] == 0) return;
+    
+    // Example:
+    // attrName = "archived"
+    //
+    // "mylog.txt" -> "mylog.archived.txt"
+    // "mylog"     -> "mylog.archived"
+
+    NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
+    
+    NSUInteger count = [components count];
+    
+    NSUInteger estimatedNewLength = [[self fileName] length] + [attrName length] + 1;
+    NSMutableString *newFileName = [NSMutableString stringWithCapacity:estimatedNewLength];
+    
+    if (count > 0)
+    {
+        [newFileName appendString:[components objectAtIndex:0]];
+    }
+    
+    NSString *lastExt = @"";
+    
+    NSUInteger i;
+    for (i = 1; i < count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
+        if ([attr length] == 0)
+        {
+            continue;
+        }
+        
+        if ([attrName isEqualToString:attr])
+        {
+            // Extension attribute already exists in file name
+            return;
+        }
+        
+        if ([lastExt length] > 0)
+        {
+            [newFileName appendFormat:@".%@", lastExt];
+        }
+        
+        lastExt = attr;
+    }
+    
+    [newFileName appendFormat:@".%@", attrName];
+    
+    if ([lastExt length] > 0)
+    {
+        [newFileName appendFormat:@".%@", lastExt];
+    }
+    
+    [self renameFile:newFileName];
+}
+
+- (void)removeExtensionAttributeWithName:(NSString *)attrName
+{
+    // This method is only used on the iPhone simulator, where normal extended attributes are broken.
+    // See full explanation in the header file.
+    
+    if ([attrName length] == 0) return;
+    
+    // Example:
+    // attrName = "archived"
+    // 
+    // "mylog.archived.txt" -> "mylog.txt"
+    // "mylog.archived"     -> "mylog"
+    
+    NSArray *components = [[self fileName] componentsSeparatedByString:@"."];
+    
+    NSUInteger count = [components count];
+    
+    NSUInteger estimatedNewLength = [[self fileName] length];
+    NSMutableString *newFileName = [NSMutableString stringWithCapacity:estimatedNewLength];
+    
+    if (count > 0)
+    {
+        [newFileName appendString:[components objectAtIndex:0]];
+    }
+    
+    BOOL found = NO;
+    
+    NSUInteger i;
+    for (i = 1; i < count; i++)
+    {
+        NSString *attr = [components objectAtIndex:i];
+        
+        if ([attrName isEqualToString:attr])
+        {
+            found = YES;
+        }
+        else
+        {
+            [newFileName appendFormat:@".%@", attr];
+        }
+    }
+    
+    if (found)
+    {
+        [self renameFile:newFileName];
+    }
+}
+
+#else
+
+- (BOOL)hasExtendedAttributeWithName:(NSString *)attrName
+{
+    const char *path = [filePath UTF8String];
+    const char *name = [attrName UTF8String];
+    
+    ssize_t result = getxattr(path, name, NULL, 0, 0, 0);
+    
+    return (result >= 0);
+}
+
+- (void)addExtendedAttributeWithName:(NSString *)attrName
+{
+    const char *path = [filePath UTF8String];
+    const char *name = [attrName UTF8String];
+    
+    int result = setxattr(path, name, NULL, 0, 0, 0);
+    
+    if (result < 0)
+    {
+        NSLogError(@"DDLogFileInfo: setxattr(%@, %@): error = %s",
+                   attrName,
+                   self.fileName,
+                   strerror(errno));
+    }
+}
+
+- (void)removeExtendedAttributeWithName:(NSString *)attrName
+{
+    const char *path = [filePath UTF8String];
+    const char *name = [attrName UTF8String];
+    
+    int result = removexattr(path, name, 0);
+    
+    if (result < 0 && errno != ENOATTR)
+    {
+        NSLogError(@"DDLogFileInfo: removexattr(%@, %@): error = %s",
+                   attrName,
+                   self.fileName,
+                   strerror(errno));
+    }
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Comparisons
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isEqual:(id)object
+{
+    if ([object isKindOfClass:[self class]])
+    {
+        DDLogFileInfo *another = (DDLogFileInfo *)object;
+        
+        return [filePath isEqualToString:[another filePath]];
+    }
+    
+    return NO;
+}
+
+- (NSComparisonResult)reverseCompareByCreationDate:(DDLogFileInfo *)another
+{
+    NSDate *us = [self creationDate];
+    NSDate *them = [another creationDate];
+    
+    NSComparisonResult result = [us compare:them];
+    
+    if (result == NSOrderedAscending)
+        return NSOrderedDescending;
+    
+    if (result == NSOrderedDescending)
+        return NSOrderedAscending;
+    
+    return NSOrderedSame;
+}
+
+- (NSComparisonResult)reverseCompareByModificationDate:(DDLogFileInfo *)another
+{
+    NSDate *us = [self modificationDate];
+    NSDate *them = [another modificationDate];
+    
+    NSComparisonResult result = [us compare:them];
+    
+    if (result == NSOrderedAscending)
+        return NSOrderedDescending;
+    
+    if (result == NSOrderedDescending)
+        return NSOrderedAscending;
+    
+    return NSOrderedSame;
+}
+
+@end
+
+#if TARGET_OS_IPHONE
+/**
+ * When creating log file on iOS we're setting NSFileProtectionKey attribute to NSFileProtectionCompleteUnlessOpen.
+ *
+ * But in case if app is able to launch from background we need to have an ability to open log file any time we
+ * want (even if device is locked). Thats why that attribute have to be changed to
+ * NSFileProtectionCompleteUntilFirstUserAuthentication.
+ */
+BOOL doesAppRunInBackground()
+{
+    BOOL answer = NO;
+
+    NSArray *backgroundModes = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"UIBackgroundModes"];
+
+    for (NSString *mode in backgroundModes) {
+        if (mode.length > 0) {
+            answer = YES;
+            break;
+        }
+    }
+
+    return answer;
+}
+#endif
+
diff --git a/Vendor/CocoaLumberjack/DDLog+LOGV.h b/Vendor/CocoaLumberjack/DDLog+LOGV.h
new file mode 100755
index 0000000..5f67d44
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDLog+LOGV.h
@@ -0,0 +1,99 @@
+//
+//  DDLog+LOGV.h
+//  Lumberjack
+//
+//  Created by Mike Pontillo on 11/20/12.
+//
+//
+
+#ifndef Lumberjack_DDLog_LOGV_h
+#define Lumberjack_DDLog_LOGV_h
+
+#import "DDLog.h"
+
+
+#define LOGV_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, avalist) \
+  [DDLog log:isAsynchronous                                                  \
+       level:lvl                                                             \
+        flag:flg                                                             \
+     context:ctx                                                             \
+        file:__FILE__                                                        \
+    function:fnct                                                            \
+        line:__LINE__                                                        \
+         tag:atag                                                            \
+      format:frmt                                                            \
+        args:avalist]
+
+#define LOGV_OBJC_MACRO(async, lvl, flg, ctx, frmt, avalist) \
+             LOGV_MACRO(async, lvl, flg, ctx, nil, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_MACRO(async, lvl, flg, ctx, frmt, avalist) \
+          LOGV_MACRO(async, lvl, flg, ctx, nil, __FUNCTION__, frmt, avalist)
+
+
+
+#define  SYNC_LOGV_OBJC_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MACRO( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_OBJC_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MACRO(YES, lvl, flg, ctx, frmt, avalist)
+
+#define  SYNC_LOGV_C_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MACRO( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_C_MACRO(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MACRO(YES, lvl, flg, ctx, frmt, avalist)
+
+
+
+#define LOGV_MAYBE(async, lvl, flg, ctx, fnct, frmt, avalist) \
+  do { if(lvl & flg) LOGV_MACRO(async, lvl, flg, ctx, nil, fnct, frmt, avalist); } while(0)
+
+#define LOGV_OBJC_MAYBE(async, lvl, flg, ctx, frmt, avalist) \
+             LOGV_MAYBE(async, lvl, flg, ctx, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_MAYBE(async, lvl, flg, ctx, frmt, avalist) \
+          LOGV_MAYBE(async, lvl, flg, ctx, __FUNCTION__, frmt, avalist)
+
+#define  SYNC_LOGV_OBJC_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MAYBE( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_OBJC_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_OBJC_MAYBE(YES, lvl, flg, ctx, frmt, avalist)
+
+#define  SYNC_LOGV_C_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MAYBE( NO, lvl, flg, ctx, frmt, avalist)
+
+#define ASYNC_LOGV_C_MAYBE(lvl, flg, ctx, frmt, avalist) \
+              LOGV_C_MAYBE(YES, lvl, flg, ctx, frmt, avalist)
+
+
+
+#define LOGV_OBJC_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, avalist) \
+                 LOGV_MACRO(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, avalist) \
+              LOGV_MACRO(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, avalist)
+
+#define LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, avalist) \
+  do { if(lvl & flg) LOGV_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, avalist); } while(0)
+
+#define LOGV_OBJC_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, avalist) \
+             LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, avalist)
+
+#define LOGV_C_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, avalist) \
+          LOGV_TAG_MAYBE(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, avalist)
+
+
+
+#define DDLogvError(frmt, avalist)   LOGV_OBJC_MAYBE(LOG_ASYNC_ERROR,   ddLogLevel, LOG_FLAG_ERROR,   0, frmt, avalist)
+#define DDLogvWarn(frmt, avalist)    LOGV_OBJC_MAYBE(LOG_ASYNC_WARN,    ddLogLevel, LOG_FLAG_WARN,    0, frmt, avalist)
+#define DDLogvInfo(frmt, avalist)    LOGV_OBJC_MAYBE(LOG_ASYNC_INFO,    ddLogLevel, LOG_FLAG_INFO,    0, frmt, avalist)
+#define DDLogvVerbose(frmt, avalist) LOGV_OBJC_MAYBE(LOG_ASYNC_VERBOSE, ddLogLevel, LOG_FLAG_VERBOSE, 0, frmt, avalist)
+
+#define DDLogvCError(frmt, avalist)   LOGV_C_MAYBE(LOG_ASYNC_ERROR,   ddLogLevel, LOG_FLAG_ERROR,   0, frmt, avalist)
+#define DDLogvCWarn(frmt, avalist)    LOGV_C_MAYBE(LOG_ASYNC_WARN,    ddLogLevel, LOG_FLAG_WARN,    0, frmt, avalist)
+#define DDLogvCInfo(frmt, avalist)    LOGV_C_MAYBE(LOG_ASYNC_INFO,    ddLogLevel, LOG_FLAG_INFO,    0, frmt, avalist)
+#define DDLogvCVerbose(frmt, avalist) LOGV_C_MAYBE(LOG_ASYNC_VERBOSE, ddLogLevel, LOG_FLAG_VERBOSE, 0, frmt, avalist)
+
+#endif
diff --git a/Vendor/CocoaLumberjack/DDLog.h b/Vendor/CocoaLumberjack/DDLog.h
new file mode 100755
index 0000000..652b967
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDLog.h
@@ -0,0 +1,634 @@
+#import <Foundation/Foundation.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * Otherwise, here is a quick refresher.
+ * There are three steps to using the macros:
+ * 
+ * Step 1:
+ * Import the header in your implementation file:
+ * 
+ * #import "DDLog.h"
+ * 
+ * Step 2:
+ * Define your logging level in your implementation file:
+ * 
+ * // Log levels: off, error, warn, info, verbose
+ * static const int ddLogLevel = LOG_LEVEL_VERBOSE;
+ * 
+ * Step 2 [3rd party frameworks]:
+ *
+ * Define your LOG_LEVEL_DEF to a different variable/function than ddLogLevel:
+ *
+ * // #undef LOG_LEVEL_DEF // Undefine first only if needed
+ * #define LOG_LEVEL_DEF myLibLogLevel
+ *
+ * Define your logging level in your implementation file:
+ *
+ * // Log levels: off, error, warn, info, verbose
+ * static const int myLibLogLevel = LOG_LEVEL_VERBOSE;
+ *
+ * Step 3:
+ * Replace your NSLog statements with DDLog statements according to the severity of the message.
+ * 
+ * NSLog(@"Fatal error, no dohickey found!"); -> DDLogError(@"Fatal error, no dohickey found!");
+ * 
+ * DDLog works exactly the same as NSLog.
+ * This means you can pass it multiple variables just like NSLog.
+**/
+
+#ifndef LOG_LEVEL_DEF
+    #define LOG_LEVEL_DEF ddLogLevel
+#endif
+
+@class DDLogMessage;
+
+@protocol DDLogger;
+@protocol DDLogFormatter;
+
+/**
+ * This is the single macro that all other macros below compile into.
+ * This big multiline macro makes all the other macros easier to read.
+**/
+
+#define LOG_MACRO(isAsynchronous, lvl, flg, ctx, atag, fnct, frmt, ...) \
+  [DDLog log:isAsynchronous                                             \
+       level:lvl                                                        \
+        flag:flg                                                        \
+     context:ctx                                                        \
+        file:__FILE__                                                   \
+    function:fnct                                                       \
+        line:__LINE__                                                   \
+         tag:atag                                                       \
+      format:(frmt), ##__VA_ARGS__]
+
+/**
+ * Define the Objective-C and C versions of the macro.
+ * These automatically inject the proper function name for either an objective-c method or c function.
+ * 
+ * We also define shorthand versions for asynchronous and synchronous logging.
+**/
+
+#define LOG_OBJC_MACRO(async, lvl, flg, ctx, frmt, ...) \
+             LOG_MACRO(async, lvl, flg, ctx, nil, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_MACRO(async, lvl, flg, ctx, frmt, ...) \
+          LOG_MACRO(async, lvl, flg, ctx, nil, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define  SYNC_LOG_OBJC_MACRO(lvl, flg, ctx, frmt, ...) \
+              LOG_OBJC_MACRO( NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_OBJC_MACRO(lvl, flg, ctx, frmt, ...) \
+              LOG_OBJC_MACRO(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define  SYNC_LOG_C_MACRO(lvl, flg, ctx, frmt, ...) \
+              LOG_C_MACRO( NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_C_MACRO(lvl, flg, ctx, frmt, ...) \
+              LOG_C_MACRO(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+/**
+ * Define version of the macro that only execute if the logLevel is above the threshold.
+ * The compiled versions essentially look like this:
+ * 
+ * if (logFlagForThisLogMsg & ddLogLevel) { execute log message }
+ * 
+ * When LOG_LEVEL_DEF is defined as ddLogLevel.
+ *
+ * As shown further below, Lumberjack actually uses a bitmask as opposed to primitive log levels.
+ * This allows for a great amount of flexibility and some pretty advanced fine grained logging techniques.
+ * 
+ * Note that when compiler optimizations are enabled (as they are for your release builds),
+ * the log messages above your logging threshold will automatically be compiled out.
+ * 
+ * (If the compiler sees ddLogLevel declared as a constant, the compiler simply checks to see if the 'if' statement
+ *  would execute, and if not it strips it from the binary.)
+ * 
+ * We also define shorthand versions for asynchronous and synchronous logging.
+**/
+
+#define LOG_MAYBE(async, lvl, flg, ctx, fnct, frmt, ...) \
+  do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, nil, fnct, frmt, ##__VA_ARGS__); } while(0)
+
+#define LOG_OBJC_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+             LOG_MAYBE(async, lvl, flg, ctx, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_MAYBE(async, lvl, flg, ctx, frmt, ...) \
+          LOG_MAYBE(async, lvl, flg, ctx, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define  SYNC_LOG_OBJC_MAYBE(lvl, flg, ctx, frmt, ...) \
+              LOG_OBJC_MAYBE( NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_OBJC_MAYBE(lvl, flg, ctx, frmt, ...) \
+              LOG_OBJC_MAYBE(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define  SYNC_LOG_C_MAYBE(lvl, flg, ctx, frmt, ...) \
+              LOG_C_MAYBE( NO, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+#define ASYNC_LOG_C_MAYBE(lvl, flg, ctx, frmt, ...) \
+              LOG_C_MAYBE(YES, lvl, flg, ctx, frmt, ##__VA_ARGS__)
+
+/**
+ * Define versions of the macros that also accept tags.
+ * 
+ * The DDLogMessage object includes a 'tag' ivar that may be used for a variety of purposes.
+ * It may be used to pass custom information to loggers or formatters.
+ * Or it may be used by 3rd party extensions to the framework.
+ * 
+ * Thes macros just make it a little easier to extend logging functionality.
+**/
+
+#define LOG_OBJC_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, ...) \
+                 LOG_MACRO(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_TAG_MACRO(async, lvl, flg, ctx, tag, frmt, ...) \
+              LOG_MACRO(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+#define LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, fnct, frmt, ...) \
+  do { if(lvl & flg) LOG_MACRO(async, lvl, flg, ctx, tag, fnct, frmt, ##__VA_ARGS__); } while(0)
+
+#define LOG_OBJC_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, ...) \
+             LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, sel_getName(_cmd), frmt, ##__VA_ARGS__)
+
+#define LOG_C_TAG_MAYBE(async, lvl, flg, ctx, tag, frmt, ...) \
+          LOG_TAG_MAYBE(async, lvl, flg, ctx, tag, __FUNCTION__, frmt, ##__VA_ARGS__)
+
+/**
+ * Define the standard options.
+ * 
+ * We default to only 4 levels because it makes it easier for beginners
+ * to make the transition to a logging framework.
+ * 
+ * More advanced users may choose to completely customize the levels (and level names) to suite their needs.
+ * For more information on this see the "Custom Log Levels" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomLogLevels
+ * 
+ * Advanced users may also notice that we're using a bitmask.
+ * This is to allow for custom fine grained logging:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/FineGrainedLogging
+ * 
+ * -- Flags --
+ * 
+ * Typically you will use the LOG_LEVELS (see below), but the flags may be used directly in certain situations.
+ * For example, say you have a lot of warning log messages, and you wanted to disable them.
+ * However, you still needed to see your error and info log messages.
+ * You could accomplish that with the following:
+ * 
+ * static const int ddLogLevel = LOG_FLAG_ERROR | LOG_FLAG_INFO;
+ * 
+ * When LOG_LEVEL_DEF is defined as ddLogLevel.
+ *
+ * Flags may also be consulted when writing custom log formatters,
+ * as the DDLogMessage class captures the individual flag that caused the log message to fire.
+ * 
+ * -- Levels --
+ * 
+ * Log levels are simply the proper bitmask of the flags.
+ * 
+ * -- Booleans --
+ * 
+ * The booleans may be used when your logging code involves more than one line.
+ * For example:
+ * 
+ * if (LOG_VERBOSE) {
+ *     for (id sprocket in sprockets)
+ *         DDLogVerbose(@"sprocket: %@", [sprocket description])
+ * }
+ * 
+ * -- Async --
+ * 
+ * Defines the default asynchronous options.
+ * The default philosophy for asynchronous logging is very simple:
+ * 
+ * Log messages with errors should be executed synchronously.
+ *     After all, an error just occurred. The application could be unstable.
+ * 
+ * All other log messages, such as debug output, are executed asynchronously.
+ *     After all, if it wasn't an error, then it was just informational output,
+ *     or something the application was easily able to recover from.
+ * 
+ * -- Changes --
+ * 
+ * You are strongly discouraged from modifying this file.
+ * If you do, you make it more difficult on yourself to merge future bug fixes and improvements from the project.
+ * Instead, create your own MyLogging.h or ApplicationNameLogging.h or CompanyLogging.h
+ * 
+ * For an example of customizing your logging experience, see the "Custom Log Levels" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomLogLevels
+**/
+
+#define LOG_FLAG_ERROR    (1 << 0)  // 0...00001
+#define LOG_FLAG_WARN     (1 << 1)  // 0...00010
+#define LOG_FLAG_INFO     (1 << 2)  // 0...00100
+#define LOG_FLAG_DEBUG    (1 << 3)  // 0...01000
+#define LOG_FLAG_VERBOSE  (1 << 4)  // 0...10000
+
+#define LOG_LEVEL_OFF     0
+#define LOG_LEVEL_ERROR   (LOG_FLAG_ERROR)                                                                          // 0...00001
+#define LOG_LEVEL_WARN    (LOG_FLAG_ERROR | LOG_FLAG_WARN)                                                          // 0...00011
+#define LOG_LEVEL_INFO    (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO)                                          // 0...00111
+#define LOG_LEVEL_DEBUG   (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO | LOG_FLAG_DEBUG)                         // 0...01111
+#define LOG_LEVEL_VERBOSE (LOG_FLAG_ERROR | LOG_FLAG_WARN | LOG_FLAG_INFO | LOG_FLAG_DEBUG | LOG_FLAG_VERBOSE)      // 0...11111
+
+#define LOG_ERROR    (LOG_LEVEL_DEF & LOG_FLAG_ERROR)
+#define LOG_WARN     (LOG_LEVEL_DEF & LOG_FLAG_WARN)
+#define LOG_INFO     (LOG_LEVEL_DEF & LOG_FLAG_INFO)
+#define LOG_DEBUG    (LOG_LEVEL_DEF & LOG_FLAG_DEBUG)
+#define LOG_VERBOSE  (LOG_LEVEL_DEF & LOG_FLAG_VERBOSE)
+
+#define LOG_ASYNC_ENABLED YES
+
+#define LOG_ASYNC_ERROR    ( NO && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_WARN     (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_INFO     (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_DEBUG    (YES && LOG_ASYNC_ENABLED)
+#define LOG_ASYNC_VERBOSE  (YES && LOG_ASYNC_ENABLED)
+
+#define DDLogError(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_ERROR,   LOG_LEVEL_DEF, LOG_FLAG_ERROR,   0, frmt, ##__VA_ARGS__)
+#define DDLogWarn(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_WARN,    LOG_LEVEL_DEF, LOG_FLAG_WARN,    0, frmt, ##__VA_ARGS__)
+#define DDLogInfo(frmt, ...)    LOG_OBJC_MAYBE(LOG_ASYNC_INFO,    LOG_LEVEL_DEF, LOG_FLAG_INFO,    0, frmt, ##__VA_ARGS__)
+#define DDLogDebug(frmt, ...)   LOG_OBJC_MAYBE(LOG_ASYNC_DEBUG,   LOG_LEVEL_DEF, LOG_FLAG_DEBUG,   0, frmt, ##__VA_ARGS__)
+#define DDLogVerbose(frmt, ...) LOG_OBJC_MAYBE(LOG_ASYNC_VERBOSE, LOG_LEVEL_DEF, LOG_FLAG_VERBOSE, 0, frmt, ##__VA_ARGS__)
+
+#define DDLogCError(frmt, ...)   LOG_C_MAYBE(LOG_ASYNC_ERROR,   LOG_LEVEL_DEF, LOG_FLAG_ERROR,   0, frmt, ##__VA_ARGS__)
+#define DDLogCWarn(frmt, ...)    LOG_C_MAYBE(LOG_ASYNC_WARN,    LOG_LEVEL_DEF, LOG_FLAG_WARN,    0, frmt, ##__VA_ARGS__)
+#define DDLogCInfo(frmt, ...)    LOG_C_MAYBE(LOG_ASYNC_INFO,    LOG_LEVEL_DEF, LOG_FLAG_INFO,    0, frmt, ##__VA_ARGS__)
+#define DDLogCDebug(frmt, ...)   LOG_C_MAYBE(LOG_ASYNC_DEBUG,   LOG_LEVEL_DEF, LOG_FLAG_DEBUG,   0, frmt, ##__VA_ARGS__)
+#define DDLogCVerbose(frmt, ...) LOG_C_MAYBE(LOG_ASYNC_VERBOSE, LOG_LEVEL_DEF, LOG_FLAG_VERBOSE, 0, frmt, ##__VA_ARGS__)
+
+/**
+ * The THIS_FILE macro gives you an NSString of the file name.
+ * For simplicity and clarity, the file name does not include the full path or file extension.
+ * 
+ * For example: DDLogWarn(@"%@: Unable to find thingy", THIS_FILE) -> @"MyViewController: Unable to find thingy"
+**/
+
+NSString *DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy);
+
+#define THIS_FILE (DDExtractFileNameWithoutExtension(__FILE__, NO))
+
+/**
+ * The THIS_METHOD macro gives you the name of the current objective-c method.
+ * 
+ * For example: DDLogWarn(@"%@ - Requires non-nil strings", THIS_METHOD) -> @"setMake:model: requires non-nil strings"
+ * 
+ * Note: This does NOT work in straight C functions (non objective-c).
+ * Instead you should use the predefined __FUNCTION__ macro.
+**/
+
+#define THIS_METHOD NSStringFromSelector(_cmd)
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDLog : NSObject
+
+/**
+ * Provides access to the underlying logging queue.
+ * This may be helpful to Logger classes for things like thread synchronization.
+**/
+
++ (dispatch_queue_t)loggingQueue;
+
+/**
+ * Logging Primitive.
+ * 
+ * This method is used by the macros above.
+ * It is suggested you stick with the macros as they're easier to use.
+**/
+
++ (void)log:(BOOL)synchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format, ... __attribute__ ((format (__NSString__, 9, 10)));
+
+/**
+ * Logging Primitive.
+ * 
+ * This method can be used if you have a prepared va_list.
+**/
+
++ (void)log:(BOOL)asynchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format
+       args:(va_list)argList;
+
+
+/**
+ * Since logging can be asynchronous, there may be times when you want to flush the logs.
+ * The framework invokes this automatically when the application quits.
+**/
+
++ (void)flushLog;
+
+/** 
+ * Loggers
+ * 
+ * If you want your log statements to go somewhere,
+ * you should create and add a logger.
+**/
+
++ (void)addLogger:(id <DDLogger>)logger;    // adds the logger using maximum log level (LOG_LEVEL_VERBOSE)
+
+/**
+ * Please use as logLevels the LOG_LEVEL_* macros
+ *
+**/
++ (void)addLogger:(id <DDLogger>)logger withLogLevel:(int)logLevel;
+
++ (void)removeLogger:(id <DDLogger>)logger;
++ (void)removeAllLoggers;
+
++ (NSArray *)allLoggers;
+
+/**
+ * Registered Dynamic Logging
+ * 
+ * These methods allow you to obtain a list of classes that are using registered dynamic logging,
+ * and also provides methods to get and set their log level during run time.
+**/
+
++ (NSArray *)registeredClasses;
++ (NSArray *)registeredClassNames;
+
++ (int)logLevelForClass:(Class)aClass;
++ (int)logLevelForClassWithName:(NSString *)aClassName;
+
++ (void)setLogLevel:(int)logLevel forClass:(Class)aClass;
++ (void)setLogLevel:(int)logLevel forClassWithName:(NSString *)aClassName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDLogger <NSObject>
+@required
+
+- (void)logMessage:(DDLogMessage *)logMessage;
+
+/**
+ * Formatters may optionally be added to any logger.
+ * 
+ * If no formatter is set, the logger simply logs the message as it is given in logMessage,
+ * or it may use its own built in formatting style.
+**/
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+@optional
+
+/**
+ * Since logging is asynchronous, adding and removing loggers is also asynchronous.
+ * In other words, the loggers are added and removed at appropriate times with regards to log messages.
+ * 
+ * - Loggers will not receive log messages that were executed prior to when they were added.
+ * - Loggers will not receive log messages that were executed after they were removed.
+ * 
+ * These methods are executed in the logging thread/queue.
+ * This is the same thread/queue that will execute every logMessage: invocation.
+ * Loggers may use these methods for thread synchronization or other setup/teardown tasks.
+**/
+- (void)didAddLogger;
+- (void)willRemoveLogger;
+
+/**
+ * Some loggers may buffer IO for optimization purposes.
+ * For example, a database logger may only save occasionaly as the disk IO is slow.
+ * In such loggers, this method should be implemented to flush any pending IO.
+ * 
+ * This allows invocations of DDLog's flushLog method to be propogated to loggers that need it.
+ * 
+ * Note that DDLog's flushLog method is invoked automatically when the application quits,
+ * and it may be also invoked manually by the developer prior to application crashes, or other such reasons.
+**/
+- (void)flush;
+
+/**
+ * Each logger is executed concurrently with respect to the other loggers.
+ * Thus, a dedicated dispatch queue is used for each logger.
+ * Logger implementations may optionally choose to provide their own dispatch queue.
+**/
+- (dispatch_queue_t)loggerQueue;
+
+/**
+ * If the logger implementation does not choose to provide its own queue,
+ * one will automatically be created for it.
+ * The created queue will receive its name from this method.
+ * This may be helpful for debugging or profiling reasons.
+**/
+- (NSString *)loggerName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDLogFormatter <NSObject>
+@required
+
+/**
+ * Formatters may optionally be added to any logger.
+ * This allows for increased flexibility in the logging environment.
+ * For example, log messages for log files may be formatted differently than log messages for the console.
+ * 
+ * For more information about formatters, see the "Custom Formatters" page:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * The formatter may also optionally filter the log message by returning nil,
+ * in which case the logger will not log the message.
+**/
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
+
+@optional
+
+/**
+ * A single formatter instance can be added to multiple loggers.
+ * These methods provides hooks to notify the formatter of when it's added/removed.
+ *
+ * This is primarily for thread-safety.
+ * If a formatter is explicitly not thread-safe, it may wish to throw an exception if added to multiple loggers.
+ * Or if a formatter has potentially thread-unsafe code (e.g. NSDateFormatter),
+ * it could possibly use these hooks to switch to thread-safe versions of the code.
+**/
+- (void)didAddToLogger:(id <DDLogger>)logger;
+- (void)willRemoveFromLogger:(id <DDLogger>)logger;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol DDRegisteredDynamicLogging
+
+/**
+ * Implement these methods to allow a file's log level to be managed from a central location.
+ * 
+ * This is useful if you'd like to be able to change log levels for various parts
+ * of your code from within the running application.
+ * 
+ * Imagine pulling up the settings for your application,
+ * and being able to configure the logging level on a per file basis.
+ * 
+ * The implementation can be very straight-forward:
+ * 
+ * + (int)ddLogLevel
+ * {
+ *     return ddLogLevel;
+ * }
+ *  
+ * + (void)ddSetLogLevel:(int)logLevel
+ * {
+ *     ddLogLevel = logLevel;
+ * }
+**/
+
++ (int)ddLogLevel;
++ (void)ddSetLogLevel:(int)logLevel;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The DDLogMessage class encapsulates information about the log message.
+ * If you write custom loggers or formatters, you will be dealing with objects of this class.
+**/
+
+enum {
+    DDLogMessageCopyFile     = 1 << 0,
+    DDLogMessageCopyFunction = 1 << 1
+};
+typedef int DDLogMessageOptions;
+
+@interface DDLogMessage : NSObject <NSCopying>
+{
+
+// The public variables below can be accessed directly (for speed).
+// For example: logMessage->logLevel
+    
+@public
+    int logLevel;
+    int logFlag;
+    int logContext;
+    NSString *logMsg;
+    NSDate *timestamp;
+    char *file;
+    char *function;
+    int lineNumber;
+    mach_port_t machThreadID;
+    char *queueLabel;
+    NSString *threadName;
+    
+    // For 3rd party extensions to the framework, where flags and contexts aren't enough.
+    id tag;
+    
+    // For 3rd party extensions that manually create DDLogMessage instances.
+    DDLogMessageOptions options;
+}
+
+/**
+ * Standard init method for a log message object.
+ * Used by the logging primitives. (And the macros use the logging primitives.)
+ * 
+ * If you find need to manually create logMessage objects, there is one thing you should be aware of:
+ * 
+ * If no flags are passed, the method expects the file and function parameters to be string literals.
+ * That is, it expects the given strings to exist for the duration of the object's lifetime,
+ * and it expects the given strings to be immutable.
+ * In other words, it does not copy these strings, it simply points to them.
+ * This is due to the fact that __FILE__ and __FUNCTION__ are usually used to specify these parameters,
+ * so it makes sense to optimize and skip the unnecessary allocations.
+ * However, if you need them to be copied you may use the options parameter to specify this.
+ * Options is a bitmask which supports DDLogMessageCopyFile and DDLogMessageCopyFunction.
+**/
+- (instancetype)initWithLogMsg:(NSString *)logMsg
+                         level:(int)logLevel
+                          flag:(int)logFlag
+                       context:(int)logContext
+                          file:(const char *)file
+                      function:(const char *)function
+                          line:(int)line
+                           tag:(id)tag
+                       options:(DDLogMessageOptions)optionsMask;
+
+/**
+ * Returns the threadID as it appears in NSLog.
+ * That is, it is a hexadecimal value which is calculated from the machThreadID.
+**/
+- (NSString *)threadID;
+
+/**
+ * Convenience property to get just the file name, as the file variable is generally the full file path.
+ * This method does not include the file extension, which is generally unwanted for logging purposes.
+**/
+- (NSString *)fileName;
+
+/**
+ * Returns the function variable in NSString form.
+**/
+- (NSString *)methodName;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * The DDLogger protocol specifies that an optional formatter can be added to a logger.
+ * Most (but not all) loggers will want to support formatters.
+ * 
+ * However, writting getters and setters in a thread safe manner,
+ * while still maintaining maximum speed for the logging process, is a difficult task.
+ * 
+ * To do it right, the implementation of the getter/setter has strict requiremenets:
+ * - Must NOT require the logMessage method to acquire a lock.
+ * - Must NOT require the logMessage method to access an atomic property (also a lock of sorts).
+ * 
+ * To simplify things, an abstract logger is provided that implements the getter and setter.
+ * 
+ * Logger implementations may simply extend this class,
+ * and they can ACCESS THE FORMATTER VARIABLE DIRECTLY from within their logMessage method!
+**/
+
+@interface DDAbstractLogger : NSObject <DDLogger>
+{
+    id <DDLogFormatter> formatter;
+    
+    dispatch_queue_t loggerQueue;
+}
+
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+
+// For thread-safety assertions
+- (BOOL)isOnGlobalLoggingQueue;
+- (BOOL)isOnInternalLoggerQueue;
+
+@end
diff --git a/Vendor/CocoaLumberjack/DDLog.m b/Vendor/CocoaLumberjack/DDLog.m
new file mode 100755
index 0000000..617981b
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDLog.m
@@ -0,0 +1,1208 @@
+#import "DDLog.h"
+
+#import <pthread.h>
+#import <objc/runtime.h>
+#import <mach/mach_host.h>
+#import <mach/host_info.h>
+#import <libkern/OSAtomic.h>
+#import <Availability.h>
+#if TARGET_OS_IPHONE
+    #import <UIKit/UIDevice.h>
+#endif
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// We probably shouldn't be using DDLog() statements within the DDLog implementation.
+// But we still want to leave our log statements for any future debugging,
+// and to allow other developers to trace the implementation (which is a great learning tool).
+// 
+// So we use a primitive logging macro around NSLog.
+// We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
+
+#define DD_DEBUG NO
+
+#define NSLogDebug(frmt, ...) do{ if(DD_DEBUG) NSLog((frmt), ##__VA_ARGS__); } while(0)
+
+// Specifies the maximum queue size of the logging thread.
+// 
+// Since most logging is asynchronous, its possible for rogue threads to flood the logging queue.
+// That is, to issue an abundance of log statements faster than the logging thread can keepup.
+// Typically such a scenario occurs when log statements are added haphazardly within large loops,
+// but may also be possible if relatively slow loggers are being used.
+// 
+// This property caps the queue size at a given number of outstanding log statements.
+// If a thread attempts to issue a log statement when the queue is already maxed out,
+// the issuing thread will block until the queue size drops below the max again.
+
+#define LOG_MAX_QUEUE_SIZE 1000 // Should not exceed INT32_MAX
+
+// The "global logging queue" refers to [DDLog loggingQueue].
+// It is the queue that all log statements go through.
+//
+// The logging queue sets a flag via dispatch_queue_set_specific using this key.
+// We can check for this key via dispatch_get_specific() to see if we're on the "global logging queue".
+
+static void *const GlobalLoggingQueueIdentityKey = (void *)&GlobalLoggingQueueIdentityKey;
+
+
+@interface DDLoggerNode : NSObject {
+@public 
+    id <DDLogger> logger;   
+    dispatch_queue_t loggerQueue;
+    int logLevel;
+}
+
+@property (nonatomic, assign, readonly) int logLevel;
+
++ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue logLevel:(int)logLevel;
+
+@end
+
+
+@interface DDLog (PrivateAPI)
+
++ (void)lt_addLogger:(id <DDLogger>)logger logLevel:(int)logLevel;
++ (void)lt_removeLogger:(id <DDLogger>)logger;
++ (void)lt_removeAllLoggers;
++ (NSArray *)lt_allLoggers;
++ (void)lt_log:(DDLogMessage *)logMessage;
++ (void)lt_flush;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLog
+
+// An array used to manage all the individual loggers.
+// The array is only modified on the loggingQueue/loggingThread.
+static NSMutableArray *loggers;
+
+// All logging statements are added to the same queue to ensure FIFO operation.
+static dispatch_queue_t loggingQueue;
+
+// Individual loggers are executed concurrently per log statement.
+// Each logger has it's own associated queue, and a dispatch group is used for synchrnoization.
+static dispatch_group_t loggingGroup;
+
+// In order to prevent to queue from growing infinitely large,
+// a maximum size is enforced (LOG_MAX_QUEUE_SIZE).
+static dispatch_semaphore_t queueSemaphore;
+
+// Minor optimization for uniprocessor machines
+static unsigned int numProcessors;
+
+/**
+ * The runtime sends initialize to each class in a program exactly one time just before the class,
+ * or any class that inherits from it, is sent its first message from within the program. (Thus the
+ * method may never be invoked if the class is not used.) The runtime sends the initialize message to
+ * classes in a thread-safe manner. Superclasses receive this message before their subclasses.
+ *
+ * This method may also be called directly (assumably by accident), hence the safety mechanism.
+**/
++ (void)initialize
+{
+    static BOOL initialized = NO;
+    if (!initialized)
+    {
+        initialized = YES;
+        
+        loggers = [[NSMutableArray alloc] initWithCapacity:4];
+        
+        NSLogDebug(@"DDLog: Using grand central dispatch");
+        
+        loggingQueue = dispatch_queue_create("cocoa.lumberjack", NULL);
+        loggingGroup = dispatch_group_create();
+        
+        void *nonNullValue = GlobalLoggingQueueIdentityKey; // Whatever, just not null
+        dispatch_queue_set_specific(loggingQueue, GlobalLoggingQueueIdentityKey, nonNullValue, NULL);
+        
+        queueSemaphore = dispatch_semaphore_create(LOG_MAX_QUEUE_SIZE);
+        
+        // Figure out how many processors are available.
+        // This may be used later for an optimization on uniprocessor machines.
+        
+        host_basic_info_data_t hostInfo;
+        mach_msg_type_number_t infoCount;
+        
+        infoCount = HOST_BASIC_INFO_COUNT;
+        host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo, &infoCount);
+        
+        unsigned int result = (unsigned int)(hostInfo.max_cpus);
+        unsigned int one    = (unsigned int)(1);
+        
+        numProcessors = MAX(result, one);
+        
+        NSLogDebug(@"DDLog: numProcessors = %u", numProcessors);
+            
+        
+    #if TARGET_OS_IPHONE
+        NSString *notificationName = @"UIApplicationWillTerminateNotification";
+    #else
+        NSString *notificationName = nil;
+
+        if (NSClassFromString(@"NSApplication"))
+        {
+            notificationName = @"NSApplicationWillTerminateNotification";
+        }
+        else
+        {
+            // If there is no NSApp -> we are running Command Line Tool app.
+            // In this case terminate notification wouldn't be fired, so we use workaround.
+            atexit_b(^{
+                [self applicationWillTerminate:nil];
+            });
+        }
+    #endif
+        
+        if (notificationName) {
+            [[NSNotificationCenter defaultCenter] addObserver:self
+                                                     selector:@selector(applicationWillTerminate:)
+                                                         name:notificationName
+                                                       object:nil];
+        }
+    }
+}
+
+/**
+ * Provides access to the logging queue.
+**/
++ (dispatch_queue_t)loggingQueue
+{
+    return loggingQueue;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Notifications
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (void)applicationWillTerminate:(NSNotification *)notification
+{
+    [self flushLog];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Logger Management
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (void)addLogger:(id <DDLogger>)logger
+{
+    [self addLogger:logger withLogLevel:LOG_LEVEL_VERBOSE];
+}
+
++ (void)addLogger:(id <DDLogger>)logger withLogLevel:(int)logLevel
+{
+    if (logger == nil) return;
+    
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_addLogger:logger logLevel:logLevel];
+    }});
+}
+
++ (void)removeLogger:(id <DDLogger>)logger
+{
+    if (logger == nil) return;
+    
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_removeLogger:logger];
+    }});
+}
+
++ (void)removeAllLoggers
+{
+    dispatch_async(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_removeAllLoggers];
+    }});
+}
+
++ (NSArray *)allLoggers
+{
+    __block NSArray *theLoggers;
+
+    dispatch_sync(loggingQueue, ^{ @autoreleasepool {
+        theLoggers = [self lt_allLoggers];
+    }});
+
+    return theLoggers;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Master Logging
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (void)queueLogMessage:(DDLogMessage *)logMessage asynchronously:(BOOL)asyncFlag
+{
+    // We have a tricky situation here...
+    // 
+    // In the common case, when the queueSize is below the maximumQueueSize,
+    // we want to simply enqueue the logMessage. And we want to do this as fast as possible,
+    // which means we don't want to block and we don't want to use any locks.
+    // 
+    // However, if the queueSize gets too big, we want to block.
+    // But we have very strict requirements as to when we block, and how long we block.
+    // 
+    // The following example should help illustrate our requirements:
+    // 
+    // Imagine that the maximum queue size is configured to be 5,
+    // and that there are already 5 log messages queued.
+    // Let us call these 5 queued log messages A, B, C, D, and E. (A is next to be executed)
+    // 
+    // Now if our thread issues a log statement (let us call the log message F),
+    // it should block before the message is added to the queue.
+    // Furthermore, it should be unblocked immediately after A has been unqueued.
+    // 
+    // The requirements are strict in this manner so that we block only as long as necessary,
+    // and so that blocked threads are unblocked in the order in which they were blocked.
+    // 
+    // Returning to our previous example, let us assume that log messages A through E are still queued.
+    // Our aforementioned thread is blocked attempting to queue log message F.
+    // Now assume we have another separate thread that attempts to issue log message G.
+    // It should block until log messages A and B have been unqueued.
+    
+    
+    // We are using a counting semaphore provided by GCD.
+    // The semaphore is initialized with our LOG_MAX_QUEUE_SIZE value.
+    // Everytime we want to queue a log message we decrement this value.
+    // If the resulting value is less than zero,
+    // the semaphore function waits in FIFO order for a signal to occur before returning.
+    // 
+    // A dispatch semaphore is an efficient implementation of a traditional counting semaphore.
+    // Dispatch semaphores call down to the kernel only when the calling thread needs to be blocked.
+    // If the calling semaphore does not need to block, no kernel call is made.
+    
+    dispatch_semaphore_wait(queueSemaphore, DISPATCH_TIME_FOREVER);
+    
+    // We've now sure we won't overflow the queue.
+    // It is time to queue our log message.
+    
+    dispatch_block_t logBlock = ^{ @autoreleasepool {
+        
+        [self lt_log:logMessage];
+    }};
+    
+    if (asyncFlag)
+        dispatch_async(loggingQueue, logBlock);
+    else
+        dispatch_sync(loggingQueue, logBlock);
+}
+
++ (void)log:(BOOL)asynchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format, ...
+{
+    va_list args;
+    if (format)
+    {
+        va_start(args, format);
+        
+        NSString *logMsg = [[NSString alloc] initWithFormat:format arguments:args];
+        DDLogMessage *logMessage = [[DDLogMessage alloc] initWithLogMsg:logMsg
+                                                                  level:level
+                                                                   flag:flag
+                                                                context:context
+                                                                   file:file
+                                                               function:function
+                                                                   line:line
+                                                                    tag:tag
+                                                                options:0];
+        
+        [self queueLogMessage:logMessage asynchronously:asynchronous];
+        
+        va_end(args);
+    }
+}
+
++ (void)log:(BOOL)asynchronous
+      level:(int)level
+       flag:(int)flag
+    context:(int)context
+       file:(const char *)file
+   function:(const char *)function
+       line:(int)line
+        tag:(id)tag
+     format:(NSString *)format
+       args:(va_list)args
+{
+    if (format)
+    {
+        NSString *logMsg = [[NSString alloc] initWithFormat:format arguments:args];
+        DDLogMessage *logMessage = [[DDLogMessage alloc] initWithLogMsg:logMsg
+                                                                  level:level
+                                                                   flag:flag
+                                                                context:context
+                                                                   file:file
+                                                               function:function
+                                                                   line:line
+                                                                    tag:tag
+                                                                options:0];
+        
+        [self queueLogMessage:logMessage asynchronously:asynchronous];
+    }
+}
+
++ (void)flushLog
+{
+    dispatch_sync(loggingQueue, ^{ @autoreleasepool {
+        
+        [self lt_flush];
+    }});
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Registered Dynamic Logging
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (BOOL)isRegisteredClass:(Class)class
+{
+    SEL getterSel = @selector(ddLogLevel);
+    SEL setterSel = @selector(ddSetLogLevel:);
+    
+#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+    
+    // Issue #6 (GoogleCode) - Crashes on iOS 4.2.1 and iPhone 4
+    // 
+    // Crash caused by class_getClassMethod(2).
+    // 
+    //     "It's a bug with UIAccessibilitySafeCategory__NSObject so it didn't pop up until
+    //      users had VoiceOver enabled [...]. I was able to work around it by searching the
+    //      result of class_copyMethodList() instead of calling class_getClassMethod()"
+    
+    BOOL result = NO;
+    
+    unsigned int methodCount, i;
+    Method *methodList = class_copyMethodList(object_getClass(class), &methodCount);
+    
+    if (methodList != NULL)
+    {
+        BOOL getterFound = NO;
+        BOOL setterFound = NO;
+        
+        for (i = 0; i < methodCount; ++i)
+        {
+            SEL currentSel = method_getName(methodList[i]);
+            
+            if (currentSel == getterSel)
+            {
+                getterFound = YES;
+            }
+            else if (currentSel == setterSel)
+            {
+                setterFound = YES;
+            }
+            
+            if (getterFound && setterFound)
+            {
+                result = YES;
+                break;
+            }
+        }
+        
+        free(methodList);
+    }
+    
+    return result;
+    
+#else
+    
+    // Issue #24 (GitHub) - Crashing in in ARC+Simulator
+    // 
+    // The method +[DDLog isRegisteredClass] will crash a project when using it with ARC + Simulator.
+    // For running in the Simulator, it needs to execute the non-iOS code.
+    
+    Method getter = class_getClassMethod(class, getterSel);
+    Method setter = class_getClassMethod(class, setterSel);
+    
+    if ((getter != NULL) && (setter != NULL))
+    {
+        return YES;
+    }
+    
+    return NO;
+    
+#endif
+}
+
++ (NSArray *)registeredClasses
+{
+    int numClasses, i;
+    
+    // We're going to get the list of all registered classes.
+    // The Objective-C runtime library automatically registers all the classes defined in your source code.
+    // 
+    // To do this we use the following method (documented in the Objective-C Runtime Reference):
+    // 
+    // int objc_getClassList(Class *buffer, int bufferLen)
+    // 
+    // We can pass (NULL, 0) to obtain the total number of
+    // registered class definitions without actually retrieving any class definitions.
+    // This allows us to allocate the minimum amount of memory needed for the application.
+    
+    numClasses = objc_getClassList(NULL, 0);
+    
+    // The numClasses method now tells us how many classes we have.
+    // So we can allocate our buffer, and get pointers to all the class definitions.
+    
+    Class *classes = (Class *)malloc(sizeof(Class) * numClasses);
+    if (classes == NULL) return nil;
+    
+    numClasses = objc_getClassList(classes, numClasses);
+    
+    // We can now loop through the classes, and test each one to see if it is a DDLogging class.
+    
+    NSMutableArray *result = [NSMutableArray arrayWithCapacity:numClasses];
+    
+    for (i = 0; i < numClasses; i++)
+    {
+        Class class = classes[i];
+        
+        if ([self isRegisteredClass:class])
+        {
+            [result addObject:class];
+        }
+    }
+    
+    free(classes);
+    
+    return result;
+}
+
++ (NSArray *)registeredClassNames
+{
+    NSArray *registeredClasses = [self registeredClasses];
+    NSMutableArray *result = [NSMutableArray arrayWithCapacity:[registeredClasses count]];
+    
+    for (Class class in registeredClasses)
+    {
+        [result addObject:NSStringFromClass(class)];
+    }
+    
+    return result;
+}
+
++ (int)logLevelForClass:(Class)aClass
+{
+    if ([self isRegisteredClass:aClass])
+    {
+        return [aClass ddLogLevel];
+    }
+    
+    return -1;
+}
+
++ (int)logLevelForClassWithName:(NSString *)aClassName
+{
+    Class aClass = NSClassFromString(aClassName);
+    
+    return [self logLevelForClass:aClass];
+}
+
++ (void)setLogLevel:(int)logLevel forClass:(Class)aClass
+{
+    if ([self isRegisteredClass:aClass])
+    {
+        [aClass ddSetLogLevel:logLevel];
+    }
+}
+
++ (void)setLogLevel:(int)logLevel forClassWithName:(NSString *)aClassName
+{
+    Class aClass = NSClassFromString(aClassName);
+    
+    [self setLogLevel:logLevel forClass:aClass];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Logging Thread
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (void)lt_addLogger:(id <DDLogger>)logger logLevel:(int)logLevel
+{
+    // Add to loggers array.
+    // Need to create loggerQueue if loggerNode doesn't provide one.
+
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+    
+    dispatch_queue_t loggerQueue = NULL;
+    
+    if ([logger respondsToSelector:@selector(loggerQueue)])
+    {
+        // Logger may be providing its own queue
+        
+        loggerQueue = [logger loggerQueue];
+    }
+    
+    if (loggerQueue == nil)
+    {
+        // Automatically create queue for the logger.
+        // Use the logger name as the queue name if possible.
+        
+        const char *loggerQueueName = NULL;
+        if ([logger respondsToSelector:@selector(loggerName)])
+        {
+            loggerQueueName = [[logger loggerName] UTF8String];
+        }
+        
+        loggerQueue = dispatch_queue_create(loggerQueueName, NULL);
+    }
+    
+    DDLoggerNode *loggerNode = [DDLoggerNode nodeWithLogger:logger loggerQueue:loggerQueue logLevel:logLevel];
+    [loggers addObject:loggerNode];
+    
+    if ([logger respondsToSelector:@selector(didAddLogger)])
+    {
+        dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+            
+            [logger didAddLogger];
+        }});
+    }
+}
+
++ (void)lt_removeLogger:(id <DDLogger>)logger
+{
+    // Find associated loggerNode in list of added loggers
+
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+    
+    DDLoggerNode *loggerNode = nil;
+    
+    for (DDLoggerNode *node in loggers)
+    {
+        if (node->logger == logger)
+        {
+            loggerNode = node;
+            break;
+        }
+    }
+    
+    if (loggerNode == nil)
+    {
+        NSLogDebug(@"DDLog: Request to remove logger which wasn't added");
+        return;
+    }
+    
+    // Notify logger
+    
+    if ([logger respondsToSelector:@selector(willRemoveLogger)])
+    {
+        dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+            
+            [logger willRemoveLogger];
+        }});
+    }
+    
+    // Remove from loggers array
+    
+    [loggers removeObject:loggerNode];
+}
+
++ (void)lt_removeAllLoggers
+{
+    // Notify all loggers
+    
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        if ([loggerNode->logger respondsToSelector:@selector(willRemoveLogger)])
+        {
+            dispatch_async(loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger willRemoveLogger];
+            }});
+        }
+    }
+    
+    // Remove all loggers from array
+    
+    [loggers removeAllObjects];
+}
+
++ (NSArray *)lt_allLoggers
+{
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+
+    NSMutableArray *theLoggers = [NSMutableArray new];
+
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        [theLoggers addObject:loggerNode->logger];
+    }
+
+    return [theLoggers copy];
+}
+
++ (void)lt_log:(DDLogMessage *)logMessage
+{
+    // Execute the given log message on each of our loggers.
+
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+    
+    if (numProcessors > 1)
+    {
+        // Execute each logger concurrently, each within its own queue.
+        // All blocks are added to same group.
+        // After each block has been queued, wait on group.
+        // 
+        // The waiting ensures that a slow logger doesn't end up with a large queue of pending log messages.
+        // This would defeat the purpose of the efforts we made earlier to restrict the max queue size.
+        
+        for (DDLoggerNode *loggerNode in loggers)
+        {
+            // skip the loggers that shouldn't write this message based on the logLevel
+
+            if (!(logMessage->logFlag & loggerNode.logLevel))
+                continue;
+
+            dispatch_group_async(loggingGroup, loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger logMessage:logMessage];
+            
+            }});
+        }
+        
+        dispatch_group_wait(loggingGroup, DISPATCH_TIME_FOREVER);
+    }
+    else
+    {
+        // Execute each logger serialy, each within its own queue.
+        
+        for (DDLoggerNode *loggerNode in loggers)
+        {
+            // skip the loggers that shouldn't write this message based on the logLevel
+            
+            if (!(logMessage->logFlag & loggerNode.logLevel))
+                continue;
+
+            dispatch_sync(loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger logMessage:logMessage];
+                
+            }});
+        }
+    }
+    
+    // If our queue got too big, there may be blocked threads waiting to add log messages to the queue.
+    // Since we've now dequeued an item from the log, we may need to unblock the next thread.
+    
+    // We are using a counting semaphore provided by GCD.
+    // The semaphore is initialized with our LOG_MAX_QUEUE_SIZE value.
+    // When a log message is queued this value is decremented.
+    // When a log message is dequeued this value is incremented.
+    // If the value ever drops below zero,
+    // the queueing thread blocks and waits in FIFO order for us to signal it.
+    // 
+    // A dispatch semaphore is an efficient implementation of a traditional counting semaphore.
+    // Dispatch semaphores call down to the kernel only when the calling thread needs to be blocked.
+    // If the calling semaphore does not need to block, no kernel call is made.
+    
+    dispatch_semaphore_signal(queueSemaphore);
+}
+
++ (void)lt_flush
+{
+    // All log statements issued before the flush method was invoked have now been executed.
+    // 
+    // Now we need to propogate the flush request to any loggers that implement the flush method.
+    // This is designed for loggers that buffer IO.
+
+    NSAssert(dispatch_get_specific(GlobalLoggingQueueIdentityKey),
+            @"This method should only be run on the logging thread/queue");
+        
+    for (DDLoggerNode *loggerNode in loggers)
+    {
+        if ([loggerNode->logger respondsToSelector:@selector(flush)])
+        {
+            dispatch_group_async(loggingGroup, loggerNode->loggerQueue, ^{ @autoreleasepool {
+                
+                [loggerNode->logger flush];
+                
+            }});
+        }
+    }
+    
+    dispatch_group_wait(loggingGroup, DISPATCH_TIME_FOREVER);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Utilities
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+NSString *DDExtractFileNameWithoutExtension(const char *filePath, BOOL copy)
+{
+    if (filePath == NULL) return nil;
+    
+    char *lastSlash = NULL;
+    char *lastDot = NULL;
+    
+    char *p = (char *)filePath;
+    
+    while (*p != '\0')
+    {
+        if (*p == '/')
+            lastSlash = p;
+        else if (*p == '.')
+            lastDot = p;
+        
+        p++;
+    }
+    
+    char *subStr;
+    NSUInteger subLen;
+    
+    if (lastSlash)
+    {
+        if (lastDot)
+        {
+            // lastSlash -> lastDot
+            subStr = lastSlash + 1;
+            subLen = lastDot - subStr;
+        }
+        else
+        {
+            // lastSlash -> endOfString
+            subStr = lastSlash + 1;
+            subLen = p - subStr;
+        }
+    }
+    else
+    {
+        if (lastDot)
+        {
+            // startOfString -> lastDot
+            subStr = (char *)filePath;
+            subLen = lastDot - subStr;
+        }
+        else
+        {
+            // startOfString -> endOfString
+            subStr = (char *)filePath;
+            subLen = p - subStr;
+        }
+    }
+    
+    if (copy)
+    {
+        return [[NSString alloc] initWithBytes:subStr
+                                        length:subLen
+                                      encoding:NSUTF8StringEncoding];
+    }
+    else
+    {
+        // We can take advantage of the fact that __FILE__ is a string literal.
+        // Specifically, we don't need to waste time copying the string.
+        // We can just tell NSString to point to a range within the string literal.
+        
+        return [[NSString alloc] initWithBytesNoCopy:subStr
+                                              length:subLen
+                                            encoding:NSUTF8StringEncoding
+                                        freeWhenDone:NO];
+    }
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLoggerNode
+
+@synthesize logLevel;
+
+- (instancetype)initWithLogger:(id <DDLogger>)aLogger loggerQueue:(dispatch_queue_t)aLoggerQueue logLevel:(int)aLogLevel
+{
+    if ((self = [super init]))
+    {
+        logger = aLogger;
+        
+        if (aLoggerQueue) {
+            loggerQueue = aLoggerQueue;
+            #if !OS_OBJECT_USE_OBJC
+            dispatch_retain(loggerQueue);
+            #endif
+        }
+        logLevel = aLogLevel;
+    }
+    return self;
+}
+
++ (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_queue_t)loggerQueue logLevel:(int)logLevel
+{
+    return [[DDLoggerNode alloc] initWithLogger:logger loggerQueue:loggerQueue logLevel:logLevel];
+}
+
+- (void)dealloc
+{
+    #if !OS_OBJECT_USE_OBJC
+    if (loggerQueue) dispatch_release(loggerQueue);
+    #endif
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLogMessage
+
+static char *dd_str_copy(const char *str)
+{
+    if (str == NULL) return NULL;
+    
+    size_t length = strlen(str);
+    char * result = malloc(length + 1);
+    if (result == NULL) return NULL;
+    strncpy(result, str, length);
+    result[length] = 0;
+    
+    return result;
+}
+
+- (instancetype)initWithLogMsg:(NSString *)msg
+                         level:(int)level
+                          flag:(int)flag
+                       context:(int)context
+                          file:(const char *)aFile
+                      function:(const char *)aFunction
+                          line:(int)line
+                           tag:(id)aTag
+                       options:(DDLogMessageOptions)optionsMask
+{
+    if ((self = [super init]))
+    {
+        logMsg     = msg;
+        logLevel   = level;
+        logFlag    = flag;
+        logContext = context;
+        lineNumber = line;
+        tag        = aTag;
+        options    = optionsMask;
+        
+        if (options & DDLogMessageCopyFile)
+            file = dd_str_copy(aFile);
+        else
+            file = (char *)aFile;
+        
+        if (options & DDLogMessageCopyFunction)
+            function = dd_str_copy(aFunction);
+        else
+            function = (char *)aFunction;
+        
+        timestamp = [[NSDate alloc] init];
+        
+        machThreadID = pthread_mach_thread_np(pthread_self());
+
+        // Try to get the current queue's label
+        
+        // a) Compiling against newer SDK's (iOS 7+/OS X 10.9+) where DISPATCH_CURRENT_QUEUE_LABEL is defined
+        //    on a (iOS 7.0+/OS X 10.9+) runtime version
+        BOOL gotLabel = NO;
+        #ifdef DISPATCH_CURRENT_QUEUE_LABEL
+        if (
+            #if TARGET_OS_IPHONE
+                #ifndef NSFoundationVersionNumber_iOS_6_1
+                #define NSFoundationVersionNumber_iOS_6_1 993.00
+                #endif
+                floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_6_1 // iOS 7+ (> iOS 6.1)
+            #else
+                [NSTimer instancesRespondToSelector:@selector(tolerance)] // OS X 10.9+
+            #endif
+            ) {
+            queueLabel = dd_str_copy(dispatch_queue_get_label(DISPATCH_CURRENT_QUEUE_LABEL));
+            gotLabel = YES;
+        }
+        #endif
+        
+        // b) Systems where dispatch_get_current_queue is not yet deprecated and won't crash (< iOS 6.0/OS X 10.9)
+        //    dispatch_get_current_queue(void); __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_6,__MAC_10_9,__IPHONE_4_0,__IPHONE_6_0)
+        if (!gotLabel &&
+        #if TARGET_OS_IPHONE
+            #ifndef NSFoundationVersionNumber_iOS_6_0
+            #define NSFoundationVersionNumber_iOS_6_0 993.00
+            #endif
+            floor(NSFoundationVersionNumber) < NSFoundationVersionNumber_iOS_6_0 // < iOS 6.0
+        #else
+            ![NSTimer instancesRespondToSelector:@selector(tolerance)] // < OS X 10.9
+        #endif
+            ) {
+            #pragma clang diagnostic push
+            #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+            dispatch_queue_t currentQueue = dispatch_get_current_queue();
+            #pragma clang diagnostic pop
+            
+            queueLabel = dd_str_copy(dispatch_queue_get_label(currentQueue));
+            gotLabel = YES;
+        }
+        
+        // c) Give up
+        if (!gotLabel) {
+            queueLabel = dd_str_copy(""); // iOS 6.x only
+        }
+        
+        threadName = [[NSThread currentThread] name];
+    }
+    return self;
+}
+
+- (NSString *)threadID
+{
+    return [[NSString alloc] initWithFormat:@"%x", machThreadID];
+}
+
+- (NSString *)fileName
+{
+    return DDExtractFileNameWithoutExtension(file, NO);
+}
+
+- (NSString *)methodName
+{
+    if (function == NULL)
+        return nil;
+    else
+        return [[NSString alloc] initWithUTF8String:function];
+}
+
+- (void)dealloc
+{
+    if (file && (options & DDLogMessageCopyFile))
+        free(file);
+    
+    if (function && (options & DDLogMessageCopyFunction))
+        free(function);
+    
+    if (queueLabel)
+        free(queueLabel);
+}
+
+
+- (id)copyWithZone:(NSZone *)zone {
+    DDLogMessage *newMessage = [[DDLogMessage alloc] init];
+    
+    newMessage->logLevel = self->logLevel;
+    newMessage->logFlag = self->logFlag;
+    newMessage->logContext = self->logContext;
+    newMessage->logMsg = self->logMsg;
+    newMessage->timestamp = self->timestamp;
+    
+    if (self->options & DDLogMessageCopyFile) {
+        newMessage->file = dd_str_copy(self->file);
+        newMessage->function = dd_str_copy(self->function);
+    } else {
+        newMessage->file = self->file;
+        newMessage->function = self->function;
+    }
+    
+    newMessage->lineNumber = self->lineNumber;
+    
+    newMessage->machThreadID = self->machThreadID;
+    newMessage->queueLabel = dd_str_copy(self->queueLabel);
+    newMessage->threadName = self->threadName;
+    newMessage->tag = self->tag;
+    newMessage->options = self->options;
+    
+    return newMessage;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDAbstractLogger
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        const char *loggerQueueName = NULL;
+        if ([self respondsToSelector:@selector(loggerName)])
+        {
+            loggerQueueName = [[self loggerName] UTF8String];
+        }
+        
+        loggerQueue = dispatch_queue_create(loggerQueueName, NULL);
+        
+        // We're going to use dispatch_queue_set_specific() to "mark" our loggerQueue.
+        // Later we can use dispatch_get_specific() to determine if we're executing on our loggerQueue.
+        // The documentation states:
+        //
+        // > Keys are only compared as pointers and are never dereferenced.
+        // > Thus, you can use a pointer to a static variable for a specific subsystem or
+        // > any other value that allows you to identify the value uniquely.
+        // > Specifying a pointer to a string constant is not recommended.
+        //
+        // So we're going to use the very convenient key of "self",
+        // which also works when multiple logger classes extend this class, as each will have a different "self" key.
+        //
+        // This is used primarily for thread-safety assertions (via the isOnInternalLoggerQueue method below).
+        
+        void *key = (__bridge void *)self;
+        void *nonNullValue = (__bridge void *)self;
+        
+        dispatch_queue_set_specific(loggerQueue, key, nonNullValue, NULL);
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    #if !OS_OBJECT_USE_OBJC
+    if (loggerQueue) dispatch_release(loggerQueue);
+    #endif
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    // Override me
+}
+
+- (id <DDLogFormatter>)logFormatter
+{
+    // This method must be thread safe and intuitive.
+    // Therefore if somebody executes the following code:
+    // 
+    // [logger setLogFormatter:myFormatter];
+    // formatter = [logger logFormatter];
+    // 
+    // They would expect formatter to equal myFormatter.
+    // This functionality must be ensured by the getter and setter method.
+    //
+    // The thread safety must not come at a cost to the performance of the logMessage method.
+    // This method is likely called sporadically, while the logMessage method is called repeatedly.
+    // This means, the implementation of this method:
+    // - Must NOT require the logMessage method to acquire a lock.
+    // - Must NOT require the logMessage method to access an atomic property (also a lock of sorts).
+    //
+    // Thread safety is ensured by executing access to the formatter variable on the loggerQueue.
+    // This is the same queue that the logMessage method operates on.
+    //
+    // Note: The last time I benchmarked the performance of direct access vs atomic property access,
+    // direct access was over twice as fast on the desktop and over 6 times as fast on the iPhone.
+    // 
+    // Furthermore, consider the following code:
+    //
+    // DDLogVerbose(@"log msg 1");
+    // DDLogVerbose(@"log msg 2");
+    // [logger setFormatter:myFormatter];
+    // DDLogVerbose(@"log msg 3");
+    //
+    // Our intuitive requirement means that the new formatter will only apply to the 3rd log message.
+    // This must remain true even when using asynchronous logging.
+    // We must keep in mind the various queue's that are in play here:
+    // 
+    // loggerQueue : Our own private internal queue that the logMessage method runs on.
+    //               Operations are added to this queue from the global loggingQueue.
+    // 
+    // globalLoggingQueue : The queue that all log messages go through before they arrive in our loggerQueue.
+    // 
+    // All log statements go through the serial gloabalLoggingQueue before they arrive at our loggerQueue.
+    // Thus this method also goes through the serial globalLoggingQueue to ensure intuitive operation.
+    
+    // IMPORTANT NOTE:
+    // 
+    // Methods within the DDLogger implementation MUST access the formatter ivar directly.
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block id <DDLogFormatter> result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = formatter;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setLogFormatter:(id <DDLogFormatter>)logFormatter
+{
+    // The design of this method is documented extensively in the logFormatter message (above in code).
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        if (formatter != logFormatter)
+        {
+            if ([formatter respondsToSelector:@selector(willRemoveFromLogger:)]) {
+                [formatter willRemoveFromLogger:self];
+            }
+            
+            formatter = logFormatter;
+            
+            if ([formatter respondsToSelector:@selector(didAddToLogger:)]) {
+                [formatter didAddToLogger:self];
+            }
+        }
+    }};
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_async(globalLoggingQueue, ^{
+        dispatch_async(loggerQueue, block);
+    });
+}
+
+- (dispatch_queue_t)loggerQueue
+{
+    return loggerQueue;
+}
+
+- (NSString *)loggerName
+{
+    return NSStringFromClass([self class]);
+}
+
+- (BOOL)isOnGlobalLoggingQueue
+{
+    return (dispatch_get_specific(GlobalLoggingQueueIdentityKey) != NULL);
+}
+
+- (BOOL)isOnInternalLoggerQueue
+{
+    void *key = (__bridge void *)self;
+    return (dispatch_get_specific(key) != NULL);
+}
+
+@end
diff --git a/Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.h b/Vendor/CocoaLumberjack/DDTTYLogger.h
old mode 100644
new mode 100755
similarity index 53%
rename from Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.h
rename to Vendor/CocoaLumberjack/DDTTYLogger.h
index c27415c..63f117c
--- a/Example/Pods/CocoaLumberjack/Classes/DDTTYLogger.h
+++ b/Vendor/CocoaLumberjack/DDTTYLogger.h
@@ -1,175 +1,178 @@
-// Software License Agreement (BSD License)
-//
-// Copyright (c) 2010-2015, Deusty, LLC
-// All rights reserved.
-//
-// Redistribution and use of this software in source and binary forms,
-// with or without modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-//   this list of conditions and the following disclaimer.
-//
-// * Neither the name of Deusty nor the names of its contributors may be used
-//   to endorse or promote products derived from this software without specific
-//   prior written permission of Deusty, LLC.
-
-// Disable legacy macros
-#ifndef DD_LEGACY_MACROS
-    #define DD_LEGACY_MACROS 0
+#import <Foundation/Foundation.h>
+#if TARGET_OS_IPHONE
+#import <UIKit/UIColor.h>   // iOS
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+#import <AppKit/NSColor.h>  // OS X with AppKit
+#else
+#import "CLIColor.h"        // OS X without AppKit
 #endif
 
 #import "DDLog.h"
 
 #define LOG_CONTEXT_ALL INT_MAX
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunused-function"
-#if TARGET_OS_IPHONE
-    // iOS
-    #import <UIKit/UIColor.h>
-    typedef UIColor DDColor;
-    static inline DDColor* DDMakeColor(CGFloat r, CGFloat g, CGFloat b) {return [DDColor colorWithRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f];}
-#elif defined(DD_CLI) || !__has_include(<AppKit/NSColor.h>)
-    // OS X CLI
-    #import "CLIColor.h"
-    typedef CLIColor DDColor;
-    static inline DDColor* DDMakeColor(CGFloat r, CGFloat g, CGFloat b) {return [DDColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f];}
-#else
-    // OS X with AppKit
-    #import <AppKit/NSColor.h>
-    typedef NSColor DDColor;
-    static inline DDColor* DDMakeColor(CGFloat r, CGFloat g, CGFloat b) {return [DDColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f];}
-#endif
-#pragma clang diagnostic pop
-
-
 /**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
  * This class provides a logger for Terminal output or Xcode console output,
  * depending on where you are running your code.
- *
+ * 
  * As described in the "Getting Started" page,
  * the traditional NSLog() function directs it's output to two places:
- *
+ * 
  * - Apple System Log (so it shows up in Console.app)
  * - StdErr (if stderr is a TTY, so log statements show up in Xcode console)
- *
+ * 
  * To duplicate NSLog() functionality you can simply add this logger and an asl logger.
  * However, if you instead choose to use file logging (for faster performance),
  * you may choose to use only a file logger and a tty logger.
- **/
-@interface DDTTYLogger : DDAbstractLogger <DDLogger>
+**/
+
+@interface DDTTYLogger : DDAbstractLogger <DDLogger>
+{
+    NSCalendar *calendar;
+    NSUInteger calendarUnitFlags;
+    
+    NSString *appName;
+    char *app;
+    size_t appLen;
+    
+    NSString *processID;
+    char *pid;
+    size_t pidLen;
+    
+    BOOL colorsEnabled;
+    NSMutableArray *colorProfilesArray;
+    NSMutableDictionary *colorProfilesDict;
+}
 
-/**
- *  Singleton method
- */
 + (instancetype)sharedInstance;
 
 /* Inherited from the DDLogger protocol:
- *
+ * 
  * Formatters may optionally be added to any logger.
- *
+ * 
  * If no formatter is set, the logger simply logs the message as it is given in logMessage,
  * or it may use its own built in formatting style.
- *
+ * 
  * More information about formatters can be found here:
- * Documentation/CustomFormatters.md
- *
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
  * The actual implementation of these methods is inherited from DDAbstractLogger.
 
-   - (id <DDLogFormatter>)logFormatter;
-   - (void)setLogFormatter:(id <DDLogFormatter>)formatter;
-
- */
+- (id <DDLogFormatter>)logFormatter;
+- (void)setLogFormatter:(id <DDLogFormatter>)formatter;
+ 
+*/
 
 /**
  * Want to use different colors for different log levels?
  * Enable this property.
- *
+ * 
  * If you run the application via the Terminal (not Xcode),
  * the logger will map colors to xterm-256color or xterm-color (if available).
- *
+ * 
  * Xcode does NOT natively support colors in the Xcode debugging console.
  * You'll need to install the XcodeColors plugin to see colors in the Xcode console.
  * https://github.com/robbiehanson/XcodeColors
- *
- * The default value is NO.
- **/
+ * 
+ * The default value if NO.
+**/
 @property (readwrite, assign) BOOL colorsEnabled;
 
-/**
- * When using a custom formatter you can set the `logMessage` method not to append
- * `\n` character after each output. This allows for some greater flexibility with
- * custom formatters. Default value is YES.
- **/
-@property (nonatomic, readwrite, assign) BOOL automaticallyAppendNewlineForCustomFormatters;
-
 /**
  * The default color set (foregroundColor, backgroundColor) is:
- *
- * - DDLogFlagError   = (red, nil)
- * - DDLogFlagWarning = (orange, nil)
- *
+ * 
+ * - LOG_FLAG_ERROR = (red, nil)
+ * - LOG_FLAG_WARN  = (orange, nil)
+ * 
  * You can customize the colors however you see fit.
  * Please note that you are passing a flag, NOT a level.
- *
- * GOOD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:DDLogFlagInfo];  // <- Good :)
- *  BAD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:DDLogLevelInfo]; // <- BAD! :(
- *
- * DDLogFlagInfo  = 0...00100
- * DDLogLevelInfo = 0...00111 <- Would match DDLogFlagInfo and DDLogFlagWarning and DDLogFlagError
- *
+ * 
+ * GOOD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:LOG_FLAG_INFO];  // <- Good :)
+ *  BAD : [ttyLogger setForegroundColor:pink backgroundColor:nil forFlag:LOG_LEVEL_INFO]; // <- BAD! :(
+ * 
+ * LOG_FLAG_INFO  = 0...00100
+ * LOG_LEVEL_INFO = 0...00111 <- Would match LOG_FLAG_INFO and LOG_FLAG_WARN and LOG_FLAG_ERROR
+ * 
  * If you run the application within Xcode, then the XcodeColors plugin is required.
- *
+ * 
  * If you run the application from a shell, then DDTTYLogger will automatically map the given color to
  * the closest available color. (xterm-256color or xterm-color which have 256 and 16 supported colors respectively.)
- *
+ * 
  * This method invokes setForegroundColor:backgroundColor:forFlag:context: and applies it to `LOG_CONTEXT_ALL`.
- **/
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask;
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forFlag:(int)mask;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forFlag:(int)mask;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forFlag:(int)mask;
+#endif
 
 /**
  * Just like setForegroundColor:backgroundColor:flag, but allows you to specify a particular logging context.
- *
+ * 
  * A logging context is often used to identify log messages coming from a 3rd party framework,
  * although logging context's can be used for many different functions.
- *
+ * 
  * Use LOG_CONTEXT_ALL to set the deafult color for all contexts that have no specific color set defined.
- *
+ * 
  * Logging context's are explained in further detail here:
- * Documentation/CustomContext.md
- **/
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask context:(NSInteger)ctxt;
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomContext
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forFlag:(int)mask context:(int)ctxt;
+#endif
 
 /**
  * Similar to the methods above, but allows you to map DDLogMessage->tag to a particular color profile.
  * For example, you could do something like this:
- *
+ * 
  * static NSString *const PurpleTag = @"PurpleTag";
- *
+ * 
  * #define DDLogPurple(frmt, ...) LOG_OBJC_TAG_MACRO(NO, 0, 0, 0, PurpleTag, frmt, ##__VA_ARGS__)
  * 
- * And then where you configure CocoaLumberjack:
- *
- * purple = DDMakeColor((64/255.0), (0/255.0), (128/255.0));
- *
- * or any UIColor/NSColor constructor.
+ * And then in your applicationDidFinishLaunching, or wherever you configure Lumberjack:
+ * 
+ * #if TARGET_OS_IPHONE
+ *   UIColor *purple = [UIColor colorWithRed:(64/255.0) green:(0/255.0) blue:(128/255.0) alpha:1.0];
+ * #else
+ *   NSColor *purple = [NSColor colorWithCalibratedRed:(64/255.0) green:(0/255.0) blue:(128/255.0) alpha:1.0];
  *
  * Note: For CLI OS X projects that don't link with AppKit use CLIColor objects instead
- *
+ * 
  * [[DDTTYLogger sharedInstance] setForegroundColor:purple backgroundColor:nil forTag:PurpleTag];
  * [DDLog addLogger:[DDTTYLogger sharedInstance]];
- *
+ * 
  * This would essentially give you a straight NSLog replacement that prints in purple:
- *
+ * 
  * DDLogPurple(@"I'm a purple log message!");
- **/
-- (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forTag:(id <NSCopying>)tag;
+**/
+#if TARGET_OS_IPHONE
+- (void)setForegroundColor:(UIColor *)txtColor backgroundColor:(UIColor *)bgColor forTag:(id <NSCopying>)tag;
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+- (void)setForegroundColor:(NSColor *)txtColor backgroundColor:(NSColor *)bgColor forTag:(id <NSCopying>)tag;
+#else
+- (void)setForegroundColor:(CLIColor *)txtColor backgroundColor:(CLIColor *)bgColor forTag:(id <NSCopying>)tag;
+#endif
 
 /**
  * Clearing color profiles.
- **/
-- (void)clearColorsForFlag:(DDLogFlag)mask;
-- (void)clearColorsForFlag:(DDLogFlag)mask context:(NSInteger)context;
+**/
+- (void)clearColorsForFlag:(int)mask;
+- (void)clearColorsForFlag:(int)mask context:(int)context;
 - (void)clearColorsForTag:(id <NSCopying>)tag;
 - (void)clearColorsForAllFlags;
 - (void)clearColorsForAllTags;
diff --git a/Vendor/CocoaLumberjack/DDTTYLogger.m b/Vendor/CocoaLumberjack/DDTTYLogger.m
new file mode 100755
index 0000000..4d21677
--- /dev/null
+++ b/Vendor/CocoaLumberjack/DDTTYLogger.m
@@ -0,0 +1,1520 @@
+#import "DDTTYLogger.h"
+
+#import <unistd.h>
+#import <sys/uio.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+// We probably shouldn't be using DDLog() statements within the DDLog implementation.
+// But we still want to leave our log statements for any future debugging,
+// and to allow other developers to trace the implementation (which is a great learning tool).
+// 
+// So we use primitive logging macros around NSLog.
+// We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog.
+
+#define LOG_LEVEL 2
+
+#define NSLogError(frmt, ...)    do{ if(LOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogWarn(frmt, ...)     do{ if(LOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogInfo(frmt, ...)     do{ if(LOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogDebug(frmt, ...)    do{ if(LOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0)
+#define NSLogVerbose(frmt, ...)  do{ if(LOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0)
+
+// Xcode does NOT natively support colors in the Xcode debugging console.
+// You'll need to install the XcodeColors plugin to see colors in the Xcode console.
+// https://github.com/robbiehanson/XcodeColors
+// 
+// The following is documentation from the XcodeColors project:
+// 
+// 
+// How to apply color formatting to your log statements:
+// 
+// To set the foreground color:
+// Insert the ESCAPE_SEQ into your string, followed by "fg124,12,255;" where r=124, g=12, b=255.
+// 
+// To set the background color:
+// Insert the ESCAPE_SEQ into your string, followed by "bg12,24,36;" where r=12, g=24, b=36.
+// 
+// To reset the foreground color (to default value):
+// Insert the ESCAPE_SEQ into your string, followed by "fg;"
+// 
+// To reset the background color (to default value):
+// Insert the ESCAPE_SEQ into your string, followed by "bg;"
+// 
+// To reset the foreground and background color (to default values) in one operation:
+// Insert the ESCAPE_SEQ into your string, followed by ";"
+
+#define XCODE_COLORS_ESCAPE_SEQ "\033["
+
+#define XCODE_COLORS_RESET_FG  XCODE_COLORS_ESCAPE_SEQ "fg;" // Clear any foreground color
+#define XCODE_COLORS_RESET_BG  XCODE_COLORS_ESCAPE_SEQ "bg;" // Clear any background color
+#define XCODE_COLORS_RESET     XCODE_COLORS_ESCAPE_SEQ ";"   // Clear any foreground or background color
+
+// Some simple defines to make life easier on ourself
+
+#if TARGET_OS_IPHONE
+  #define OSColor UIColor
+  #define MakeColor(r, g, b) [UIColor colorWithRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+  #define OSColor NSColor
+  #define MakeColor(r, g, b) [NSColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#else
+  #define OSColor CLIColor
+  #define MakeColor(r, g, b) [CLIColor colorWithCalibratedRed:(r/255.0f) green:(g/255.0f) blue:(b/255.0f) alpha:1.0f]
+#endif
+
+// If running in a shell, not all RGB colors will be supported.
+// In this case we automatically map to the closest available color.
+// In order to provide this mapping, we have a hard-coded set of the standard RGB values available in the shell.
+// However, not every shell is the same, and Apple likes to think different even when it comes to shell colors.
+// 
+// Map to standard Terminal.app colors (1), or
+// map to standard xterm colors (0).
+
+#define MAP_TO_TERMINAL_APP_COLORS 1
+
+
+@interface DDTTYLoggerColorProfile : NSObject {
+@public
+    int mask;
+    int context;
+    
+    uint8_t fg_r;
+    uint8_t fg_g;
+    uint8_t fg_b;
+    
+    uint8_t bg_r;
+    uint8_t bg_g;
+    uint8_t bg_b;
+    
+    NSUInteger fgCodeIndex;
+    NSString *fgCodeRaw;
+    
+    NSUInteger bgCodeIndex;
+    NSString *bgCodeRaw;
+    
+    char fgCode[24];
+    size_t fgCodeLen;
+    
+    char bgCode[24];
+    size_t bgCodeLen;
+    
+    char resetCode[8];
+    size_t resetCodeLen;
+}
+
+- (instancetype)initWithForegroundColor:(OSColor *)fgColor backgroundColor:(OSColor *)bgColor flag:(int)mask context:(int)ctxt;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDTTYLogger
+
+static BOOL isaColorTTY;
+static BOOL isaColor256TTY;
+static BOOL isaXcodeColorTTY;
+
+static NSArray *codes_fg = nil;
+static NSArray *codes_bg = nil;
+static NSArray *colors   = nil;
+
+static DDTTYLogger *sharedInstance;
+
+/**
+ * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 16 color mode.
+ * 
+ * This method is used when the application is running from within a shell that only supports 16 color mode.
+ * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
+**/
++ (void)initialize_colors_16
+{
+    if (codes_fg || codes_bg || colors) return;
+    
+    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:16];
+    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:16];
+    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:16];
+    
+    // In a standard shell only 16 colors are supported.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    [m_codes_fg addObject:@"30m"];   // normal - black
+    [m_codes_fg addObject:@"31m"];   // normal - red
+    [m_codes_fg addObject:@"32m"];   // normal - green
+    [m_codes_fg addObject:@"33m"];   // normal - yellow
+    [m_codes_fg addObject:@"34m"];   // normal - blue
+    [m_codes_fg addObject:@"35m"];   // normal - magenta
+    [m_codes_fg addObject:@"36m"];   // normal - cyan
+    [m_codes_fg addObject:@"37m"];   // normal - gray
+    [m_codes_fg addObject:@"1;30m"]; // bright - darkgray
+    [m_codes_fg addObject:@"1;31m"]; // bright - red
+    [m_codes_fg addObject:@"1;32m"]; // bright - green
+    [m_codes_fg addObject:@"1;33m"]; // bright - yellow
+    [m_codes_fg addObject:@"1;34m"]; // bright - blue
+    [m_codes_fg addObject:@"1;35m"]; // bright - magenta
+    [m_codes_fg addObject:@"1;36m"]; // bright - cyan
+    [m_codes_fg addObject:@"1;37m"]; // bright - white
+    
+    [m_codes_bg addObject:@"40m"];   // normal - black
+    [m_codes_bg addObject:@"41m"];   // normal - red
+    [m_codes_bg addObject:@"42m"];   // normal - green
+    [m_codes_bg addObject:@"43m"];   // normal - yellow
+    [m_codes_bg addObject:@"44m"];   // normal - blue
+    [m_codes_bg addObject:@"45m"];   // normal - magenta
+    [m_codes_bg addObject:@"46m"];   // normal - cyan
+    [m_codes_bg addObject:@"47m"];   // normal - gray
+    [m_codes_bg addObject:@"1;40m"]; // bright - darkgray
+    [m_codes_bg addObject:@"1;41m"]; // bright - red
+    [m_codes_bg addObject:@"1;42m"]; // bright - green
+    [m_codes_bg addObject:@"1;43m"]; // bright - yellow
+    [m_codes_bg addObject:@"1;44m"]; // bright - blue
+    [m_codes_bg addObject:@"1;45m"]; // bright - magenta
+    [m_codes_bg addObject:@"1;46m"]; // bright - cyan
+    [m_codes_bg addObject:@"1;47m"]; // bright - white
+    
+#if MAP_TO_TERMINAL_APP_COLORS
+    
+    // Standard Terminal.app colors:
+    // 
+    // These are the default colors used by Apple's Terminal.app.
+    
+    [m_colors addObject:MakeColor(  0,   0,   0)]; // normal - black
+    [m_colors addObject:MakeColor(194,  54,  33)]; // normal - red
+    [m_colors addObject:MakeColor( 37, 188,  36)]; // normal - green
+    [m_colors addObject:MakeColor(173, 173,  39)]; // normal - yellow
+    [m_colors addObject:MakeColor( 73,  46, 225)]; // normal - blue
+    [m_colors addObject:MakeColor(211,  56, 211)]; // normal - magenta
+    [m_colors addObject:MakeColor( 51, 187, 200)]; // normal - cyan
+    [m_colors addObject:MakeColor(203, 204, 205)]; // normal - gray
+    [m_colors addObject:MakeColor(129, 131, 131)]; // bright - darkgray
+    [m_colors addObject:MakeColor(252,  57,  31)]; // bright - red
+    [m_colors addObject:MakeColor( 49, 231,  34)]; // bright - green
+    [m_colors addObject:MakeColor(234, 236,  35)]; // bright - yellow
+    [m_colors addObject:MakeColor( 88,  51, 255)]; // bright - blue
+    [m_colors addObject:MakeColor(249,  53, 248)]; // bright - magenta
+    [m_colors addObject:MakeColor( 20, 240, 240)]; // bright - cyan
+    [m_colors addObject:MakeColor(233, 235, 235)]; // bright - white
+    
+#else
+    
+    // Standard xterm colors:
+    // 
+    // These are the default colors used by most xterm shells.
+    
+    [m_colors addObject:MakeColor(  0,   0,   0)]; // normal - black
+    [m_colors addObject:MakeColor(205,   0,   0)]; // normal - red
+    [m_colors addObject:MakeColor(  0, 205,   0)]; // normal - green
+    [m_colors addObject:MakeColor(205, 205,   0)]; // normal - yellow
+    [m_colors addObject:MakeColor(  0,   0, 238)]; // normal - blue
+    [m_colors addObject:MakeColor(205,   0, 205)]; // normal - magenta
+    [m_colors addObject:MakeColor(  0, 205, 205)]; // normal - cyan
+    [m_colors addObject:MakeColor(229, 229, 229)]; // normal - gray
+    [m_colors addObject:MakeColor(127, 127, 127)]; // bright - darkgray
+    [m_colors addObject:MakeColor(255,   0,   0)]; // bright - red
+    [m_colors addObject:MakeColor(  0, 255,   0)]; // bright - green
+    [m_colors addObject:MakeColor(255, 255,   0)]; // bright - yellow
+    [m_colors addObject:MakeColor( 92,  92, 255)]; // bright - blue
+    [m_colors addObject:MakeColor(255,   0, 255)]; // bright - magenta
+    [m_colors addObject:MakeColor(  0, 255, 255)]; // bright - cyan
+    [m_colors addObject:MakeColor(255, 255, 255)]; // bright - white
+    
+#endif
+    
+    codes_fg = [m_codes_fg copy];
+    codes_bg = [m_codes_bg copy];
+    colors   = [m_colors   copy];
+    
+    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
+    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
+}
+
+/**
+ * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 256 color mode.
+ * 
+ * This method is used when the application is running from within a shell that supports 256 color mode.
+ * This method is not invoked if the application is running within Xcode, or via normal UI app launch.
+**/
++ (void)initialize_colors_256
+{
+    if (codes_fg || codes_bg || colors) return;
+    
+    NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:(256-16)];
+    NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:(256-16)];
+    NSMutableArray *m_colors   = [NSMutableArray arrayWithCapacity:(256-16)];
+    
+    #if MAP_TO_TERMINAL_APP_COLORS
+    
+    // Standard Terminal.app colors:
+    // 
+    // These are the colors the Terminal.app uses in xterm-256color mode.
+    // In this mode, the terminal supports 256 different colors, specified by 256 color codes.
+    // 
+    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
+    // These are actually configurable, and thus we ignore them for the purposes of mapping,
+    // as we can't rely on them being constant. They are largely duplicated anyway.
+    // 
+    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
+    // While the color codes are standardized, the actual RGB values for each color code is not.
+    // Apple's Terminal.app uses different RGB values from that of a standard xterm.
+    // Apple's choices in colors are designed to be a little nicer on the eyes.
+    // 
+    // The last 24 color codes represent a grayscale.
+    // 
+    // Unfortunately, unlike the standard xterm color chart,
+    // Apple's RGB values cannot be calculated using a simple formula (at least not that I know of).
+    // Also, I don't know of any ways to programmatically query the shell for the RGB values.
+    // So this big giant color chart had to be made by hand.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    // Colors
+    
+    [m_colors addObject:MakeColor( 47,  49,  49)];
+    [m_colors addObject:MakeColor( 60,  42, 144)];
+    [m_colors addObject:MakeColor( 66,  44, 183)];
+    [m_colors addObject:MakeColor( 73,  46, 222)];
+    [m_colors addObject:MakeColor( 81,  50, 253)];
+    [m_colors addObject:MakeColor( 88,  51, 255)];
+    
+    [m_colors addObject:MakeColor( 42, 128,  37)];
+    [m_colors addObject:MakeColor( 42, 127, 128)];
+    [m_colors addObject:MakeColor( 44, 126, 169)];
+    [m_colors addObject:MakeColor( 56, 125, 209)];
+    [m_colors addObject:MakeColor( 59, 124, 245)];
+    [m_colors addObject:MakeColor( 66, 123, 255)];
+    
+    [m_colors addObject:MakeColor( 51, 163,  41)];
+    [m_colors addObject:MakeColor( 39, 162, 121)];
+    [m_colors addObject:MakeColor( 42, 161, 162)];
+    [m_colors addObject:MakeColor( 53, 160, 202)];
+    [m_colors addObject:MakeColor( 45, 159, 240)];
+    [m_colors addObject:MakeColor( 58, 158, 255)];
+    
+    [m_colors addObject:MakeColor( 31, 196,  37)];
+    [m_colors addObject:MakeColor( 48, 196, 115)];
+    [m_colors addObject:MakeColor( 39, 195, 155)];
+    [m_colors addObject:MakeColor( 49, 195, 195)];
+    [m_colors addObject:MakeColor( 32, 194, 235)];
+    [m_colors addObject:MakeColor( 53, 193, 255)];
+    
+    [m_colors addObject:MakeColor( 50, 229,  35)];
+    [m_colors addObject:MakeColor( 40, 229, 109)];
+    [m_colors addObject:MakeColor( 27, 229, 149)];
+    [m_colors addObject:MakeColor( 49, 228, 189)];
+    [m_colors addObject:MakeColor( 33, 228, 228)];
+    [m_colors addObject:MakeColor( 53, 227, 255)];
+    
+    [m_colors addObject:MakeColor( 27, 254,  30)];
+    [m_colors addObject:MakeColor( 30, 254, 103)];
+    [m_colors addObject:MakeColor( 45, 254, 143)];
+    [m_colors addObject:MakeColor( 38, 253, 182)];
+    [m_colors addObject:MakeColor( 38, 253, 222)];
+    [m_colors addObject:MakeColor( 42, 253, 252)];
+    
+    [m_colors addObject:MakeColor(140,  48,  40)];
+    [m_colors addObject:MakeColor(136,  51, 136)];
+    [m_colors addObject:MakeColor(135,  52, 177)];
+    [m_colors addObject:MakeColor(134,  52, 217)];
+    [m_colors addObject:MakeColor(135,  56, 248)];
+    [m_colors addObject:MakeColor(134,  53, 255)];
+    
+    [m_colors addObject:MakeColor(125, 125,  38)];
+    [m_colors addObject:MakeColor(124, 125, 125)];
+    [m_colors addObject:MakeColor(122, 124, 166)];
+    [m_colors addObject:MakeColor(123, 124, 207)];
+    [m_colors addObject:MakeColor(123, 122, 247)];
+    [m_colors addObject:MakeColor(124, 121, 255)];
+    
+    [m_colors addObject:MakeColor(119, 160,  35)];
+    [m_colors addObject:MakeColor(117, 160, 120)];
+    [m_colors addObject:MakeColor(117, 160, 160)];
+    [m_colors addObject:MakeColor(115, 159, 201)];
+    [m_colors addObject:MakeColor(116, 158, 240)];
+    [m_colors addObject:MakeColor(117, 157, 255)];
+    
+    [m_colors addObject:MakeColor(113, 195,  39)];
+    [m_colors addObject:MakeColor(110, 194, 114)];
+    [m_colors addObject:MakeColor(111, 194, 154)];
+    [m_colors addObject:MakeColor(108, 194, 194)];
+    [m_colors addObject:MakeColor(109, 193, 234)];
+    [m_colors addObject:MakeColor(108, 192, 255)];
+    
+    [m_colors addObject:MakeColor(105, 228,  30)];
+    [m_colors addObject:MakeColor(103, 228, 109)];
+    [m_colors addObject:MakeColor(105, 228, 148)];
+    [m_colors addObject:MakeColor(100, 227, 188)];
+    [m_colors addObject:MakeColor( 99, 227, 227)];
+    [m_colors addObject:MakeColor( 99, 226, 253)];
+    
+    [m_colors addObject:MakeColor( 92, 253,  34)];
+    [m_colors addObject:MakeColor( 96, 253, 103)];
+    [m_colors addObject:MakeColor( 97, 253, 142)];
+    [m_colors addObject:MakeColor( 88, 253, 182)];
+    [m_colors addObject:MakeColor( 93, 253, 221)];
+    [m_colors addObject:MakeColor( 88, 254, 251)];
+    
+    [m_colors addObject:MakeColor(177,  53,  34)];
+    [m_colors addObject:MakeColor(174,  54, 131)];
+    [m_colors addObject:MakeColor(172,  55, 172)];
+    [m_colors addObject:MakeColor(171,  57, 213)];
+    [m_colors addObject:MakeColor(170,  55, 249)];
+    [m_colors addObject:MakeColor(170,  57, 255)];
+    
+    [m_colors addObject:MakeColor(165, 123,  37)];
+    [m_colors addObject:MakeColor(163, 123, 123)];
+    [m_colors addObject:MakeColor(162, 123, 164)];
+    [m_colors addObject:MakeColor(161, 122, 205)];
+    [m_colors addObject:MakeColor(161, 121, 241)];
+    [m_colors addObject:MakeColor(161, 121, 255)];
+    
+    [m_colors addObject:MakeColor(158, 159,  33)];
+    [m_colors addObject:MakeColor(157, 158, 118)];
+    [m_colors addObject:MakeColor(157, 158, 159)];
+    [m_colors addObject:MakeColor(155, 157, 199)];
+    [m_colors addObject:MakeColor(155, 157, 239)];
+    [m_colors addObject:MakeColor(154, 156, 255)];
+    
+    [m_colors addObject:MakeColor(152, 193,  40)];
+    [m_colors addObject:MakeColor(151, 193, 113)];
+    [m_colors addObject:MakeColor(150, 193, 153)];
+    [m_colors addObject:MakeColor(150, 192, 193)];
+    [m_colors addObject:MakeColor(148, 192, 232)];
+    [m_colors addObject:MakeColor(149, 191, 253)];
+    
+    [m_colors addObject:MakeColor(146, 227,  28)];
+    [m_colors addObject:MakeColor(144, 227, 108)];
+    [m_colors addObject:MakeColor(144, 227, 147)];
+    [m_colors addObject:MakeColor(144, 227, 187)];
+    [m_colors addObject:MakeColor(142, 226, 227)];
+    [m_colors addObject:MakeColor(142, 225, 252)];
+    
+    [m_colors addObject:MakeColor(138, 253,  36)];
+    [m_colors addObject:MakeColor(137, 253, 102)];
+    [m_colors addObject:MakeColor(136, 253, 141)];
+    [m_colors addObject:MakeColor(138, 254, 181)];
+    [m_colors addObject:MakeColor(135, 255, 220)];
+    [m_colors addObject:MakeColor(133, 255, 250)];
+    
+    [m_colors addObject:MakeColor(214,  57,  30)];
+    [m_colors addObject:MakeColor(211,  59, 126)];
+    [m_colors addObject:MakeColor(209,  57, 168)];
+    [m_colors addObject:MakeColor(208,  55, 208)];
+    [m_colors addObject:MakeColor(207,  58, 247)];
+    [m_colors addObject:MakeColor(206,  61, 255)];
+    
+    [m_colors addObject:MakeColor(204, 121,  32)];
+    [m_colors addObject:MakeColor(202, 121, 121)];
+    [m_colors addObject:MakeColor(201, 121, 161)];
+    [m_colors addObject:MakeColor(200, 120, 202)];
+    [m_colors addObject:MakeColor(200, 120, 241)];
+    [m_colors addObject:MakeColor(198, 119, 255)];
+    
+    [m_colors addObject:MakeColor(198, 157,  37)];
+    [m_colors addObject:MakeColor(196, 157, 116)];
+    [m_colors addObject:MakeColor(195, 156, 157)];
+    [m_colors addObject:MakeColor(195, 156, 197)];
+    [m_colors addObject:MakeColor(194, 155, 236)];
+    [m_colors addObject:MakeColor(193, 155, 255)];
+    
+    [m_colors addObject:MakeColor(191, 192,  36)];
+    [m_colors addObject:MakeColor(190, 191, 112)];
+    [m_colors addObject:MakeColor(189, 191, 152)];
+    [m_colors addObject:MakeColor(189, 191, 191)];
+    [m_colors addObject:MakeColor(188, 190, 230)];
+    [m_colors addObject:MakeColor(187, 190, 253)];
+    
+    [m_colors addObject:MakeColor(185, 226,  28)];
+    [m_colors addObject:MakeColor(184, 226, 106)];
+    [m_colors addObject:MakeColor(183, 225, 146)];
+    [m_colors addObject:MakeColor(183, 225, 186)];
+    [m_colors addObject:MakeColor(182, 225, 225)];
+    [m_colors addObject:MakeColor(181, 224, 252)];
+    
+    [m_colors addObject:MakeColor(178, 255,  35)];
+    [m_colors addObject:MakeColor(178, 255, 101)];
+    [m_colors addObject:MakeColor(177, 254, 141)];
+    [m_colors addObject:MakeColor(176, 254, 180)];
+    [m_colors addObject:MakeColor(176, 254, 220)];
+    [m_colors addObject:MakeColor(175, 253, 249)];
+    
+    [m_colors addObject:MakeColor(247,  56,  30)];
+    [m_colors addObject:MakeColor(245,  57, 122)];
+    [m_colors addObject:MakeColor(243,  59, 163)];
+    [m_colors addObject:MakeColor(244,  60, 204)];
+    [m_colors addObject:MakeColor(242,  59, 241)];
+    [m_colors addObject:MakeColor(240,  55, 255)];
+    
+    [m_colors addObject:MakeColor(241, 119,  36)];
+    [m_colors addObject:MakeColor(240, 120, 118)];
+    [m_colors addObject:MakeColor(238, 119, 158)];
+    [m_colors addObject:MakeColor(237, 119, 199)];
+    [m_colors addObject:MakeColor(237, 118, 238)];
+    [m_colors addObject:MakeColor(236, 118, 255)];
+    
+    [m_colors addObject:MakeColor(235, 154,  36)];
+    [m_colors addObject:MakeColor(235, 154, 114)];
+    [m_colors addObject:MakeColor(234, 154, 154)];
+    [m_colors addObject:MakeColor(232, 154, 194)];
+    [m_colors addObject:MakeColor(232, 153, 234)];
+    [m_colors addObject:MakeColor(232, 153, 255)];
+    
+    [m_colors addObject:MakeColor(230, 190,  30)];
+    [m_colors addObject:MakeColor(229, 189, 110)];
+    [m_colors addObject:MakeColor(228, 189, 150)];
+    [m_colors addObject:MakeColor(227, 189, 190)];
+    [m_colors addObject:MakeColor(227, 189, 229)];
+    [m_colors addObject:MakeColor(226, 188, 255)];
+    
+    [m_colors addObject:MakeColor(224, 224,  35)];
+    [m_colors addObject:MakeColor(223, 224, 105)];
+    [m_colors addObject:MakeColor(222, 224, 144)];
+    [m_colors addObject:MakeColor(222, 223, 184)];
+    [m_colors addObject:MakeColor(222, 223, 224)];
+    [m_colors addObject:MakeColor(220, 223, 253)];
+    
+    [m_colors addObject:MakeColor(217, 253,  28)];
+    [m_colors addObject:MakeColor(217, 253,  99)];
+    [m_colors addObject:MakeColor(216, 252, 139)];
+    [m_colors addObject:MakeColor(216, 252, 179)];
+    [m_colors addObject:MakeColor(215, 252, 218)];
+    [m_colors addObject:MakeColor(215, 251, 250)];
+    
+    [m_colors addObject:MakeColor(255,  61,  30)];
+    [m_colors addObject:MakeColor(255,  60, 118)];
+    [m_colors addObject:MakeColor(255,  58, 159)];
+    [m_colors addObject:MakeColor(255,  56, 199)];
+    [m_colors addObject:MakeColor(255,  55, 238)];
+    [m_colors addObject:MakeColor(255,  59, 255)];
+    
+    [m_colors addObject:MakeColor(255, 117,  29)];
+    [m_colors addObject:MakeColor(255, 117, 115)];
+    [m_colors addObject:MakeColor(255, 117, 155)];
+    [m_colors addObject:MakeColor(255, 117, 195)];
+    [m_colors addObject:MakeColor(255, 116, 235)];
+    [m_colors addObject:MakeColor(254, 116, 255)];
+    
+    [m_colors addObject:MakeColor(255, 152,  27)];
+    [m_colors addObject:MakeColor(255, 152, 111)];
+    [m_colors addObject:MakeColor(254, 152, 152)];
+    [m_colors addObject:MakeColor(255, 152, 192)];
+    [m_colors addObject:MakeColor(254, 151, 231)];
+    [m_colors addObject:MakeColor(253, 151, 253)];
+    
+    [m_colors addObject:MakeColor(255, 187,  33)];
+    [m_colors addObject:MakeColor(253, 187, 107)];
+    [m_colors addObject:MakeColor(252, 187, 148)];
+    [m_colors addObject:MakeColor(253, 187, 187)];
+    [m_colors addObject:MakeColor(254, 187, 227)];
+    [m_colors addObject:MakeColor(252, 186, 252)];
+    
+    [m_colors addObject:MakeColor(252, 222,  34)];
+    [m_colors addObject:MakeColor(251, 222, 103)];
+    [m_colors addObject:MakeColor(251, 222, 143)];
+    [m_colors addObject:MakeColor(250, 222, 182)];
+    [m_colors addObject:MakeColor(251, 221, 222)];
+    [m_colors addObject:MakeColor(252, 221, 252)];
+    
+    [m_colors addObject:MakeColor(251, 252,  15)];
+    [m_colors addObject:MakeColor(251, 252,  97)];
+    [m_colors addObject:MakeColor(249, 252, 137)];
+    [m_colors addObject:MakeColor(247, 252, 177)];
+    [m_colors addObject:MakeColor(247, 253, 217)];
+    [m_colors addObject:MakeColor(254, 255, 255)];
+    
+    // Grayscale
+    
+    [m_colors addObject:MakeColor( 52,  53,  53)];
+    [m_colors addObject:MakeColor( 57,  58,  59)];
+    [m_colors addObject:MakeColor( 66,  67,  67)];
+    [m_colors addObject:MakeColor( 75,  76,  76)];
+    [m_colors addObject:MakeColor( 83,  85,  85)];
+    [m_colors addObject:MakeColor( 92,  93,  94)];
+    
+    [m_colors addObject:MakeColor(101, 102, 102)];
+    [m_colors addObject:MakeColor(109, 111, 111)];
+    [m_colors addObject:MakeColor(118, 119, 119)];
+    [m_colors addObject:MakeColor(126, 127, 128)];
+    [m_colors addObject:MakeColor(134, 136, 136)];
+    [m_colors addObject:MakeColor(143, 144, 145)];
+    
+    [m_colors addObject:MakeColor(151, 152, 153)];
+    [m_colors addObject:MakeColor(159, 161, 161)];
+    [m_colors addObject:MakeColor(167, 169, 169)];
+    [m_colors addObject:MakeColor(176, 177, 177)];
+    [m_colors addObject:MakeColor(184, 185, 186)];
+    [m_colors addObject:MakeColor(192, 193, 194)];
+    
+    [m_colors addObject:MakeColor(200, 201, 202)];
+    [m_colors addObject:MakeColor(208, 209, 210)];
+    [m_colors addObject:MakeColor(216, 218, 218)];
+    [m_colors addObject:MakeColor(224, 226, 226)];
+    [m_colors addObject:MakeColor(232, 234, 234)];
+    [m_colors addObject:MakeColor(240, 242, 242)];
+    
+    // Color codes
+    
+    int index = 16;
+    
+    while (index < 256)
+    {
+        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+        
+        index++;
+    }
+    
+    #else
+    
+    // Standard xterm colors:
+    // 
+    // These are the colors xterm shells use in xterm-256color mode.
+    // In this mode, the shell supports 256 different colors, specified by 256 color codes.
+    // 
+    // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode.
+    // These are generally configurable, and thus we ignore them for the purposes of mapping,
+    // as we can't rely on them being constant. They are largely duplicated anyway.
+    // 
+    // The next 216 color codes are designed to run the spectrum, with several shades of every color.
+    // The last 24 color codes represent a grayscale.
+    // 
+    // While the color codes are standardized, the actual RGB values for each color code is not.
+    // However most standard xterms follow a well known color chart,
+    // which can easily be calculated using the simple formula below.
+    // 
+    // More information about ansi escape codes can be found online.
+    // http://en.wikipedia.org/wiki/ANSI_escape_code
+    
+    int index = 16;
+    
+    int r; // red
+    int g; // green
+    int b; // blue
+    
+    int ri; // r increment
+    int gi; // g increment
+    int bi; // b increment
+    
+    // Calculate xterm colors (using standard algorithm)
+    
+    int r = 0;
+    int g = 0;
+    int b = 0;
+    
+    for (ri = 0; ri < 6; ri++)
+    {
+        r = (ri == 0) ? 0 : 95 + (40 * (ri - 1));
+        
+        for (gi = 0; gi < 6; gi++)
+        {
+            g = (gi == 0) ? 0 : 95 + (40 * (gi - 1));
+            
+            for (bi = 0; bi < 6; bi++)
+            {
+                b = (bi == 0) ? 0 : 95 + (40 * (bi - 1));
+                
+                [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+                [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+                [m_colors addObject:MakeColor(r, g, b)];
+                
+                index++;
+            }
+        }
+    }
+    
+    // Calculate xterm grayscale (using standard algorithm)
+    
+    r = 8;
+    g = 8;
+    b = 8;
+    
+    while (index < 256)
+    {
+        [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]];
+        [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]];
+        [m_colors addObject:MakeColor(r, g, b)];
+        
+        r += 10;
+        g += 10;
+        b += 10;
+        
+        index++;
+    }
+    
+    #endif
+    
+    codes_fg = [m_codes_fg copy];
+    codes_bg = [m_codes_bg copy];
+    colors   = [m_colors   copy];
+             
+    NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)");
+    NSAssert([codes_fg count] == [colors count],   @"Invalid colors/codes array(s)");
+}
+
++ (void)getRed:(CGFloat *)rPtr green:(CGFloat *)gPtr blue:(CGFloat *)bPtr fromColor:(OSColor *)color
+{
+    #if TARGET_OS_IPHONE
+    
+    // iOS
+    
+    BOOL done = NO;
+    
+    if ([color respondsToSelector:@selector(getRed:green:blue:alpha:)])
+    {
+        done = [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    }
+    
+    if (!done)
+    {
+        // The method getRed:green:blue:alpha: was only available starting iOS 5.
+        // So in iOS 4 and earlier, we have to jump through hoops.
+        
+        CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();
+        
+        unsigned char pixel[4];
+        CGContextRef context = CGBitmapContextCreate(&pixel, 1, 1, 8, 4, rgbColorSpace, kCGBitmapAlphaInfoMask & kCGImageAlphaNoneSkipLast);
+        
+        CGContextSetFillColorWithColor(context, [color CGColor]);
+        CGContextFillRect(context, CGRectMake(0, 0, 1, 1));
+        
+        if (rPtr) { *rPtr = pixel[0] / 255.0f; }
+        if (gPtr) { *gPtr = pixel[1] / 255.0f; }
+        if (bPtr) { *bPtr = pixel[2] / 255.0f; }
+        
+        CGContextRelease(context);
+        CGColorSpaceRelease(rgbColorSpace);
+    }
+    
+    #elif !defined (COCOAPODS_POD_AVAILABLE_CocoaLumberjack_CLI)
+    
+    // OS X with AppKit
+    
+    NSColor *safeColor = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
+    
+    [safeColor getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    
+    #else
+    
+    // OS X without AppKit
+    
+    [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL];
+    
+    #endif
+}
+
+/**
+ * Maps the given color to the closest available color supported by the shell.
+ * The shell may support 256 colors, or only 16.
+ * 
+ * This method loops through the known supported color set, and calculates the closest color.
+ * The array index of that color, within the colors array, is then returned.
+ * This array index may also be used as the index within the codes_fg and codes_bg arrays.
+**/
++ (NSUInteger)codeIndexForColor:(OSColor *)inColor
+{
+    CGFloat inR, inG, inB;
+    [self getRed:&inR green:&inG blue:&inB fromColor:inColor];
+    
+    NSUInteger bestIndex = 0;
+    CGFloat lowestDistance = 100.0f;
+    
+    NSUInteger i = 0;
+    for (OSColor *color in colors)
+    {
+        // Calculate Euclidean distance (lower value means closer to given color)
+        
+        CGFloat r, g, b;
+        [self getRed:&r green:&g blue:&b fromColor:color];
+        
+    #if CGFLOAT_IS_DOUBLE
+        CGFloat distance = sqrt(pow(r-inR, 2.0) + pow(g-inG, 2.0) + pow(b-inB, 2.0));
+    #else
+        CGFloat distance = sqrtf(powf(r-inR, 2.0f) + powf(g-inG, 2.0f) + powf(b-inB, 2.0f));
+    #endif
+        
+        NSLogVerbose(@"DDTTYLogger: %3lu : %.3f,%.3f,%.3f & %.3f,%.3f,%.3f = %.6f",
+                     (unsigned long)i, inR, inG, inB, r, g, b, distance);
+        
+        if (distance < lowestDistance)
+        {
+            bestIndex = i;
+            lowestDistance = distance;
+            
+            NSLogVerbose(@"DDTTYLogger: New best index = %lu", (unsigned long)bestIndex);
+        }
+        
+        i++;
+    }
+    
+    return bestIndex;
+}
+
+/**
+ * The runtime sends initialize to each class in a program exactly one time just before the class,
+ * or any class that inherits from it, is sent its first message from within the program. (Thus the
+ * method may never be invoked if the class is not used.) The runtime sends the initialize message to
+ * classes in a thread-safe manner. Superclasses receive this message before their subclasses.
+ *
+ * This method may also be called directly (assumably by accident), hence the safety mechanism.
+**/
++ (void)initialize
+{
+    static BOOL initialized = NO;
+    if (!initialized)
+    {
+        initialized = YES;
+        
+        char *term = getenv("TERM");
+        if (term)
+        {
+            if (strcasestr(term, "color") != NULL)
+            {
+                isaColorTTY = YES;
+                isaColor256TTY = (strcasestr(term, "256") != NULL);
+                
+                if (isaColor256TTY)
+                    [self initialize_colors_256];
+                else
+                    [self initialize_colors_16];
+            }
+        }
+        else
+        {
+            // Xcode does NOT natively support colors in the Xcode debugging console.
+            // You'll need to install the XcodeColors plugin to see colors in the Xcode console.
+            // 
+            // PS - Please read the header file before diving into the source code.
+            
+            char *xcode_colors = getenv("XcodeColors");
+            if (xcode_colors && (strcmp(xcode_colors, "YES") == 0))
+            {
+                isaXcodeColorTTY = YES;
+            }
+        }
+        
+        NSLogInfo(@"DDTTYLogger: isaColorTTY = %@", (isaColorTTY ? @"YES" : @"NO"));
+        NSLogInfo(@"DDTTYLogger: isaColor256TTY: %@", (isaColor256TTY ? @"YES" : @"NO"));
+        NSLogInfo(@"DDTTYLogger: isaXcodeColorTTY: %@", (isaXcodeColorTTY ? @"YES" : @"NO"));
+        
+        sharedInstance = [[[self class] alloc] init];
+    }
+}
+
++ (instancetype)sharedInstance
+{
+    return sharedInstance;
+}
+
+- (id)init
+{
+    if (sharedInstance != nil)
+    {
+        return nil;
+    }
+    
+    if ((self = [super init]))
+    {
+        calendar = [NSCalendar autoupdatingCurrentCalendar];
+        
+        calendarUnitFlags = 0;
+        calendarUnitFlags |= NSCalendarUnitYear;
+        calendarUnitFlags |= NSCalendarUnitMonth;
+        calendarUnitFlags |= NSCalendarUnitDay;
+        calendarUnitFlags |= NSCalendarUnitHour;
+        calendarUnitFlags |= NSCalendarUnitMinute;
+        calendarUnitFlags |= NSCalendarUnitSecond;
+        
+        // Initialze 'app' variable (char *)
+        
+        appName = [[NSProcessInfo processInfo] processName];
+        
+        appLen = [appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        if (appLen == 0) {
+            appName = @"<UnnamedApp>";
+            appLen = [appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        }
+        app = (char *)malloc(appLen + 1);
+        if (app == NULL) return nil;
+        
+        BOOL processedAppName = [appName getCString:app maxLength:(appLen+1) encoding:NSUTF8StringEncoding];
+        if (NO == processedAppName) return nil;
+
+        // Initialize 'pid' variable (char *)
+        
+        processID = [NSString stringWithFormat:@"%i", (int)getpid()];
+        
+        pidLen = [processID lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        pid = (char *)malloc(pidLen + 1);
+        if (pid == NULL) return nil;
+        
+        BOOL processedID = [processID getCString:pid maxLength:(pidLen+1) encoding:NSUTF8StringEncoding];
+        if (NO == processedID) return nil;
+        
+        // Initialize color stuff
+        
+        colorsEnabled = NO;
+        colorProfilesArray = [[NSMutableArray alloc] initWithCapacity:8];
+        colorProfilesDict = [[NSMutableDictionary alloc] initWithCapacity:8];
+    }
+    return self;
+}
+
+- (void)loadDefaultColorProfiles
+{
+    [self setForegroundColor:MakeColor(214,  57,  30) backgroundColor:nil forFlag:LOG_FLAG_ERROR];
+    [self setForegroundColor:MakeColor(204, 121,  32) backgroundColor:nil forFlag:LOG_FLAG_WARN];
+}
+
+- (BOOL)colorsEnabled
+{
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    __block BOOL result;
+    
+    dispatch_sync(globalLoggingQueue, ^{
+        dispatch_sync(loggerQueue, ^{
+            result = colorsEnabled;
+        });
+    });
+    
+    return result;
+}
+
+- (void)setColorsEnabled:(BOOL)newColorsEnabled
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        colorsEnabled = newColorsEnabled;
+        
+        if ([colorProfilesArray count] == 0) {
+            [self loadDefaultColorProfiles];
+        }
+    }};
+    
+    // The design of this method is taken from the DDAbstractLogger implementation.
+    // For extensive documentation please refer to the DDAbstractLogger implementation.
+    
+    // Note: The internal implementation MUST access the colorsEnabled variable directly,
+    // This method is designed explicitly for external access.
+    //
+    // Using "self." syntax to go through this method will cause immediate deadlock.
+    // This is the intended result. Fix it by accessing the ivar directly.
+    // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster.
+    
+    NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+    NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax.");
+    
+    dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+    
+    dispatch_async(globalLoggingQueue, ^{
+        dispatch_async(loggerQueue, block);
+    });
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forFlag:(int)mask
+{
+    [self setForegroundColor:txtColor backgroundColor:bgColor forFlag:mask context:LOG_CONTEXT_ALL];
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forFlag:(int)mask context:(int)ctxt
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        DDTTYLoggerColorProfile *newColorProfile =
+            [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
+                                                     backgroundColor:bgColor
+                                                                flag:mask
+                                                             context:ctxt];
+        
+        NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
+        
+        NSUInteger i = 0;
+        for (DDTTYLoggerColorProfile *colorProfile in colorProfilesArray)
+        {
+            if ((colorProfile->mask == mask) && (colorProfile->context == ctxt))
+            {
+                break;
+            }
+            
+            i++;
+        }
+        
+        if (i < [colorProfilesArray count])
+            [colorProfilesArray replaceObjectAtIndex:i withObject:newColorProfile];
+        else
+            [colorProfilesArray addObject:newColorProfile];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)setForegroundColor:(OSColor *)txtColor backgroundColor:(OSColor *)bgColor forTag:(id <NSCopying>)tag
+{
+    NSAssert([(id <NSObject>)tag conformsToProtocol:@protocol(NSCopying)], @"Invalid tag");
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        DDTTYLoggerColorProfile *newColorProfile =
+            [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor
+                                                     backgroundColor:bgColor
+                                                                flag:0
+                                                             context:0];
+        
+        NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile);
+        
+        [colorProfilesDict setObject:newColorProfile forKey:tag];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForFlag:(int)mask
+{
+    [self clearColorsForFlag:mask context:0];
+}
+
+- (void)clearColorsForFlag:(int)mask context:(int)context
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        NSUInteger i = 0;
+        for (DDTTYLoggerColorProfile *colorProfile in colorProfilesArray)
+        {
+            if ((colorProfile->mask == mask) && (colorProfile->context == context))
+            {
+                break;
+            }
+            
+            i++;
+        }
+        
+        if (i < [colorProfilesArray count])
+        {
+            [colorProfilesArray removeObjectAtIndex:i];
+        }
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForTag:(id <NSCopying>)tag
+{
+    NSAssert([(id <NSObject>)tag conformsToProtocol:@protocol(NSCopying)], @"Invalid tag");
+    
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesDict removeObjectForKey:tag];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForAllFlags
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesArray removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearColorsForAllTags
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesDict removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)clearAllColors
+{
+    dispatch_block_t block = ^{ @autoreleasepool {
+        
+        [colorProfilesArray removeAllObjects];
+        [colorProfilesDict removeAllObjects];
+    }};
+    
+    // The design of the setter logic below is taken from the DDAbstractLogger implementation.
+    // For documentation please refer to the DDAbstractLogger implementation.
+    
+    if ([self isOnInternalLoggerQueue])
+    {
+        block();
+    }
+    else
+    {
+        dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue];
+        NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure");
+        
+        dispatch_async(globalLoggingQueue, ^{
+            dispatch_async(loggerQueue, block);
+        });
+    }
+}
+
+- (void)logMessage:(DDLogMessage *)logMessage
+{
+    NSString *logMsg = logMessage->logMsg;
+    BOOL isFormatted = NO;
+    
+    if (formatter)
+    {
+        logMsg = [formatter formatLogMessage:logMessage];
+        isFormatted = logMsg != logMessage->logMsg;
+    }
+    
+    if (logMsg)
+    {
+        // Search for a color profile associated with the log message
+        
+        DDTTYLoggerColorProfile *colorProfile = nil;
+        
+        if (colorsEnabled)
+        {
+            if (logMessage->tag)
+            {
+                colorProfile = [colorProfilesDict objectForKey:logMessage->tag];
+            }
+            if (colorProfile == nil)
+            {
+                for (DDTTYLoggerColorProfile *cp in colorProfilesArray)
+                {
+                    if (logMessage->logFlag & cp->mask)
+                    {
+                        // Color profile set for this context?
+                        if (logMessage->logContext == cp->context)
+                        {
+                            colorProfile = cp;
+                            
+                            // Stop searching
+                            break;
+                        }
+                        
+                        // Check if LOG_CONTEXT_ALL was specified as a default color for this flag
+                        if (cp->context == LOG_CONTEXT_ALL)
+                        {
+                            colorProfile = cp;
+                            
+                            // We don't break to keep searching for more specific color profiles for the context
+                        }
+                    }
+                }
+            }
+        }
+        
+        // Convert log message to C string.
+        // 
+        // We use the stack instead of the heap for speed if possible.
+        // But we're extra cautious to avoid a stack overflow.
+        
+        NSUInteger msgLen = [logMsg lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+        const BOOL useStack = msgLen < (1024 * 4);
+        
+        char msgStack[useStack ? (msgLen + 1) : 1]; // Analyzer doesn't like zero-size array, hence the 1
+        char *msg = useStack ? msgStack : (char *)malloc(msgLen + 1);
+        if (msg == NULL) return;
+        
+        BOOL logMsgEnc = [logMsg getCString:msg maxLength:(msgLen + 1) encoding:NSUTF8StringEncoding];
+        if (!logMsgEnc)
+        {
+            if (!useStack && msg != NULL) free(msg);
+            return;
+        }
+        
+        // Write the log message to STDERR
+        
+        if (isFormatted)
+        {
+            // The log message has already been formatted.
+            
+            struct iovec v[5];
+            
+            if (colorProfile)
+            {
+                v[0].iov_base = colorProfile->fgCode;
+                v[0].iov_len = colorProfile->fgCodeLen;
+
+                v[1].iov_base = colorProfile->bgCode;
+                v[1].iov_len = colorProfile->bgCodeLen;
+
+                v[4].iov_base = colorProfile->resetCode;
+                v[4].iov_len = colorProfile->resetCodeLen;
+            }
+            else
+            {
+                v[0].iov_base = "";
+                v[0].iov_len = 0;
+                
+                v[1].iov_base = "";
+                v[1].iov_len = 0;
+                
+                v[4].iov_base = "";
+                v[4].iov_len = 0;
+            }
+            
+            v[2].iov_base = (char *)msg;
+            v[2].iov_len = msgLen;
+            
+            v[3].iov_base = "\n";
+            v[3].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
+            
+            writev(STDERR_FILENO, v, 5);
+        }
+        else
+        {
+            // The log message is unformatted, so apply standard NSLog style formatting.
+            
+            int len;
+            
+            // Calculate timestamp.
+            // The technique below is faster than using NSDateFormatter.
+            
+            NSDateComponents *components = [calendar components:calendarUnitFlags fromDate:logMessage->timestamp];
+            
+            NSTimeInterval epoch = [logMessage->timestamp timeIntervalSinceReferenceDate];
+            int milliseconds = (int)((epoch - floor(epoch)) * 1000);
+            
+            char ts[24];
+            len = snprintf(ts, 24, "%04ld-%02ld-%02ld %02ld:%02ld:%02ld:%03d", // yyyy-MM-dd HH:mm:ss:SSS
+                           (long)components.year,
+                           (long)components.month,
+                           (long)components.day,
+                           (long)components.hour,
+                           (long)components.minute,
+                           (long)components.second, milliseconds);
+            
+            size_t tsLen = MIN(24-1, len);
+            
+            // Calculate thread ID
+            // 
+            // How many characters do we need for the thread id?
+            // logMessage->machThreadID is of type mach_port_t, which is an unsigned int.
+            // 
+            // 1 hex char = 4 bits
+            // 8 hex chars for 32 bit, plus ending '\0' = 9
+            
+            char tid[9];
+            len = snprintf(tid, 9, "%x", logMessage->machThreadID);
+            
+            size_t tidLen = MIN(9-1, len);
+            
+            // Here is our format: "%s %s[%i:%s] %s", timestamp, appName, processID, threadID, logMsg
+            
+            struct iovec v[13];
+            
+            if (colorProfile)
+            {
+                v[0].iov_base = colorProfile->fgCode;
+                v[0].iov_len = colorProfile->fgCodeLen;
+
+                v[1].iov_base = colorProfile->bgCode;
+                v[1].iov_len = colorProfile->bgCodeLen;
+
+                v[12].iov_base = colorProfile->resetCode;
+                v[12].iov_len = colorProfile->resetCodeLen;
+            }
+            else
+            {
+                v[0].iov_base = "";
+                v[0].iov_len = 0;
+
+                v[1].iov_base = "";
+                v[1].iov_len = 0;
+
+                v[12].iov_base = "";
+                v[12].iov_len = 0;
+            }
+            
+            v[2].iov_base = ts;
+            v[2].iov_len = tsLen;
+            
+            v[3].iov_base = " ";
+            v[3].iov_len = 1;
+            
+            v[4].iov_base = app;
+            v[4].iov_len = appLen;
+            
+            v[5].iov_base = "[";
+            v[5].iov_len = 1;
+            
+            v[6].iov_base = pid;
+            v[6].iov_len = pidLen;
+            
+            v[7].iov_base = ":";
+            v[7].iov_len = 1;
+            
+            v[8].iov_base = tid;
+            v[8].iov_len = MIN((size_t)8, tidLen); // snprintf doesn't return what you might think
+            
+            v[9].iov_base = "] ";
+            v[9].iov_len = 2;
+            
+            v[10].iov_base = (char *)msg;
+            v[10].iov_len = msgLen;
+            
+            v[11].iov_base = "\n";
+            v[11].iov_len = (msg[msgLen] == '\n') ? 0 : 1;
+            
+            writev(STDERR_FILENO, v, 13);
+        }
+        
+        if (!useStack) {
+            free(msg);
+        }
+    }
+}
+
+- (NSString *)loggerName
+{
+    return @"cocoa.lumberjack.ttyLogger";
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDTTYLoggerColorProfile
+
+- (instancetype)initWithForegroundColor:(OSColor *)fgColor backgroundColor:(OSColor *)bgColor flag:(int)aMask context:(int)ctxt
+{
+    if ((self = [super init]))
+    {
+        mask = aMask;
+        context = ctxt;
+        
+        CGFloat r, g, b;
+        
+        if (fgColor)
+        {
+            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:fgColor];
+            
+            fg_r = (uint8_t)(r * 255.0f);
+            fg_g = (uint8_t)(g * 255.0f);
+            fg_b = (uint8_t)(b * 255.0f);
+        }
+        if (bgColor)
+        {
+            [DDTTYLogger getRed:&r green:&g blue:&b fromColor:bgColor];
+            
+            bg_r = (uint8_t)(r * 255.0f);
+            bg_g = (uint8_t)(g * 255.0f);
+            bg_b = (uint8_t)(b * 255.0f);
+        }
+        
+        if (fgColor && isaColorTTY)
+        {
+            // Map foreground color to closest available shell color
+            
+            fgCodeIndex = [DDTTYLogger codeIndexForColor:fgColor];
+            fgCodeRaw   = [codes_fg objectAtIndex:fgCodeIndex];
+            
+            NSString *escapeSeq = @"\033[";
+            
+            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            NSUInteger len2 = [fgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            
+            BOOL escapeSeqEnc = [escapeSeq getCString:(fgCode)      maxLength:(len1+1) encoding:NSUTF8StringEncoding];
+            BOOL fgCodeRawEsc = [fgCodeRaw getCString:(fgCode+len1) maxLength:(len2+1) encoding:NSUTF8StringEncoding];
+            if (!escapeSeqEnc || !fgCodeRawEsc) return nil;
+            
+            fgCodeLen = len1+len2;
+        }
+        else if (fgColor && isaXcodeColorTTY)
+        {
+            // Convert foreground color to color code sequence
+            
+            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
+            
+            int result = snprintf(fgCode, 24, "%sfg%u,%u,%u;", escapeSeq, fg_r, fg_g, fg_b);
+            fgCodeLen = MIN(result, (24-1));
+        }
+        else
+        {
+            // No foreground color or no color support
+            
+            fgCode[0] = '\0';
+            fgCodeLen = 0;
+        }
+        
+        if (bgColor && isaColorTTY)
+        {
+            // Map background color to closest available shell color
+            
+            bgCodeIndex = [DDTTYLogger codeIndexForColor:bgColor];
+            bgCodeRaw   = [codes_bg objectAtIndex:bgCodeIndex];
+            
+            NSString *escapeSeq = @"\033[";
+            
+            NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            NSUInteger len2 = [bgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
+            
+            BOOL escapeSeqEnc = [escapeSeq getCString:(bgCode)      maxLength:(len1+1) encoding:NSUTF8StringEncoding];
+            BOOL bgCodeRawEsc = [bgCodeRaw getCString:(bgCode+len1) maxLength:(len2+1) encoding:NSUTF8StringEncoding];
+            if (!escapeSeqEnc || !bgCodeRawEsc) return nil;
+            
+            bgCodeLen = len1+len2;
+        }
+        else if (bgColor && isaXcodeColorTTY)
+        {
+            // Convert background color to color code sequence
+            
+            const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ;
+            
+            int result = snprintf(bgCode, 24, "%sbg%u,%u,%u;", escapeSeq, bg_r, bg_g, bg_b);
+            bgCodeLen = MIN(result, (24-1));
+        }
+        else
+        {
+            // No background color or no color support
+            
+            bgCode[0] = '\0';
+            bgCodeLen = 0;
+        }
+        
+        if (isaColorTTY)
+        {
+            resetCodeLen = snprintf(resetCode, 8, "\033[0m");
+        }
+        else if (isaXcodeColorTTY)
+        {
+            resetCodeLen = snprintf(resetCode, 8, XCODE_COLORS_RESET);
+        }
+        else
+        {
+            resetCode[0] = '\0';
+            resetCodeLen = 0;
+        }
+    }
+    return self;
+}
+
+- (NSString *)description
+{
+    return [NSString stringWithFormat:
+            @"<DDTTYLoggerColorProfile: %p mask:%i ctxt:%i fg:%u,%u,%u bg:%u,%u,%u fgCode:%@ bgCode:%@>",
+            self, mask, context, fg_r, fg_g, fg_b, bg_r, bg_g, bg_b, fgCodeRaw, bgCodeRaw];
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.h b/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.h
new file mode 100755
index 0000000..341f827
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.h
@@ -0,0 +1,63 @@
+#import <Foundation/Foundation.h>
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a log formatter that filters log statements from a logging context not on the whitelist.
+ * 
+ * A log formatter can be added to any logger to format and/or filter its output.
+ * You can learn more about log formatters here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * You can learn more about logging context's here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomContext
+ *
+ * But here's a quick overview / refresher:
+ * 
+ * Every log statement has a logging context.
+ * These come from the underlying logging macros defined in DDLog.h.
+ * The default logging context is zero.
+ * You can define multiple logging context's for use in your application.
+ * For example, logically separate parts of your app each have a different logging context.
+ * Also 3rd party frameworks that make use of Lumberjack generally use their own dedicated logging context.
+**/
+@interface DDContextWhitelistFilterLogFormatter : NSObject <DDLogFormatter>
+
+- (id)init;
+
+- (void)addToWhitelist:(int)loggingContext;
+- (void)removeFromWhitelist:(int)loggingContext;
+
+- (NSArray *)whitelist;
+
+- (BOOL)isOnWhitelist:(int)loggingContext;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * This class provides a log formatter that filters log statements from a logging context on the blacklist.
+**/
+@interface DDContextBlacklistFilterLogFormatter : NSObject <DDLogFormatter>
+
+- (id)init;
+
+- (void)addToBlacklist:(int)loggingContext;
+- (void)removeFromBlacklist:(int)loggingContext;
+
+- (NSArray *)blacklist;
+
+- (BOOL)isOnBlacklist:(int)loggingContext;
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.m b/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.m
new file mode 100755
index 0000000..f55795c
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDContextFilterLogFormatter.m
@@ -0,0 +1,191 @@
+#import "DDContextFilterLogFormatter.h"
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@interface DDLoggingContextSet : NSObject
+
+- (void)addToSet:(int)loggingContext;
+- (void)removeFromSet:(int)loggingContext;
+
+- (NSArray *)currentSet;
+
+- (BOOL)isInSet:(int)loggingContext;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDContextWhitelistFilterLogFormatter
+{
+    DDLoggingContextSet *contextSet;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        contextSet = [[DDLoggingContextSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToWhitelist:(int)loggingContext
+{
+    [contextSet addToSet:loggingContext];
+}
+
+- (void)removeFromWhitelist:(int)loggingContext
+{
+    [contextSet removeFromSet:loggingContext];
+}
+
+- (NSArray *)whitelist
+{
+    return [contextSet currentSet];
+}
+
+- (BOOL)isOnWhitelist:(int)loggingContext
+{
+    return [contextSet isInSet:loggingContext];
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    if ([self isOnWhitelist:logMessage->logContext])
+        return logMessage->logMsg;
+    else
+        return nil;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDContextBlacklistFilterLogFormatter
+{
+    DDLoggingContextSet *contextSet;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        contextSet = [[DDLoggingContextSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToBlacklist:(int)loggingContext
+{
+    [contextSet addToSet:loggingContext];
+}
+
+- (void)removeFromBlacklist:(int)loggingContext
+{
+    [contextSet removeFromSet:loggingContext];
+}
+
+- (NSArray *)blacklist
+{
+    return [contextSet currentSet];
+}
+
+- (BOOL)isOnBlacklist:(int)loggingContext
+{
+    return [contextSet isInSet:loggingContext];
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    if ([self isOnBlacklist:logMessage->logContext])
+        return nil;
+    else
+        return logMessage->logMsg;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDLoggingContextSet
+{
+    OSSpinLock lock;
+    NSMutableSet *set;
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        set = [[NSMutableSet alloc] init];
+    }
+    return self;
+}
+
+
+- (void)addToSet:(int)loggingContext
+{
+    OSSpinLockLock(&lock);
+    {
+        [set addObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+- (void)removeFromSet:(int)loggingContext
+{
+    OSSpinLockLock(&lock);
+    {
+        [set removeObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+- (NSArray *)currentSet
+{
+    NSArray *result = nil;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = [set allObjects];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+- (BOOL)isInSet:(int)loggingContext
+{
+    BOOL result = NO;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = [set containsObject:@(loggingContext)];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.h b/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.h
new file mode 100755
index 0000000..0cfccc4
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.h
@@ -0,0 +1,128 @@
+#import <Foundation/Foundation.h>
+#import <libkern/OSAtomic.h>
+#import "DDLog.h"
+
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ * 
+ * 
+ * This class provides a log formatter that prints the dispatch_queue label instead of the mach_thread_id.
+ * 
+ * A log formatter can be added to any logger to format and/or filter its output.
+ * You can learn more about log formatters here:
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+ * 
+ * A typical NSLog (or DDTTYLogger) prints detailed info as [<process_id>:<thread_id>].
+ * For example:
+ * 
+ * 2011-10-17 20:21:45.435 AppName[19928:5207] Your log message here
+ * 
+ * Where:
+ * - 19928 = process id
+ * -  5207 = thread id (mach_thread_id printed in hex)
+ * 
+ * When using grand central dispatch (GCD), this information is less useful.
+ * This is because a single serial dispatch queue may be run on any thread from an internally managed thread pool.
+ * For example:
+ * 
+ * 2011-10-17 20:32:31.111 AppName[19954:4d07] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.112 AppName[19954:5207] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.113 AppName[19954:2c55] Message from my_serial_dispatch_queue
+ * 
+ * This formatter allows you to replace the standard [box:info] with the dispatch_queue name.
+ * For example:
+ * 
+ * 2011-10-17 20:32:31.111 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.112 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 2011-10-17 20:32:31.113 AppName[img-scaling] Message from my_serial_dispatch_queue
+ * 
+ * If the dispatch_queue doesn't have a set name, then it falls back to the thread name.
+ * If the current thread doesn't have a set name, then it falls back to the mach_thread_id in hex (like normal).
+ * 
+ * Note: If manually creating your own background threads (via NSThread/alloc/init or NSThread/detachNeThread),
+ * you can use [[NSThread currentThread] setName:(NSString *)].
+**/
+@interface DDDispatchQueueLogFormatter : NSObject <DDLogFormatter> {
+@protected
+    
+    NSString *dateFormatString;
+}
+
+/**
+ * Standard init method.
+ * Configure using properties as desired.
+**/
+- (id)init;
+
+/**
+ * The minQueueLength restricts the minimum size of the [detail box].
+ * If the minQueueLength is set to 0, there is no restriction.
+ * 
+ * For example, say a dispatch_queue has a label of "diskIO":
+ * 
+ * If the minQueueLength is 0: [diskIO]
+ * If the minQueueLength is 4: [diskIO]
+ * If the minQueueLength is 5: [diskIO]
+ * If the minQueueLength is 6: [diskIO]
+ * If the minQueueLength is 7: [diskIO ]
+ * If the minQueueLength is 8: [diskIO  ]
+ * 
+ * The default minQueueLength is 0 (no minimum, so [detail box] won't be padded).
+ * 
+ * If you want every [detail box] to have the exact same width,
+ * set both minQueueLength and maxQueueLength to the same value.
+**/
+@property (assign) NSUInteger minQueueLength;
+
+/**
+ * The maxQueueLength restricts the number of characters that will be inside the [detail box].
+ * If the maxQueueLength is 0, there is no restriction.
+ * 
+ * For example, say a dispatch_queue has a label of "diskIO":
+ *
+ * If the maxQueueLength is 0: [diskIO]
+ * If the maxQueueLength is 4: [disk]
+ * If the maxQueueLength is 5: [diskI]
+ * If the maxQueueLength is 6: [diskIO]
+ * If the maxQueueLength is 7: [diskIO]
+ * If the maxQueueLength is 8: [diskIO]
+ * 
+ * The default maxQueueLength is 0 (no maximum, so [detail box] won't be truncated).
+ * 
+ * If you want every [detail box] to have the exact same width,
+ * set both minQueueLength and maxQueueLength to the same value.
+**/
+@property (assign) NSUInteger maxQueueLength;
+
+/**
+ * Sometimes queue labels have long names like "com.apple.main-queue",
+ * but you'd prefer something shorter like simply "main".
+ * 
+ * This method allows you to set such preferred replacements.
+ * The above example is set by default.
+ * 
+ * To remove/undo a previous replacement, invoke this method with nil for the 'shortLabel' parameter.
+**/
+- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel;
+- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel;
+
+@end
+
+/**
+ * Method declarations that make it easier to extend/modify DDDispatchQueueLogFormatter
+**/
+@interface DDDispatchQueueLogFormatter (OverridableMethods)
+
+- (NSString *)stringFromDate:(NSDate *)date;
+- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage;
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage;
+
+@end
+
diff --git a/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.m b/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.m
new file mode 100755
index 0000000..c6a4af9
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDDispatchQueueLogFormatter.m
@@ -0,0 +1,253 @@
+#import "DDDispatchQueueLogFormatter.h"
+#import <libkern/OSAtomic.h>
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ * 
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+**/
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+
+@implementation DDDispatchQueueLogFormatter
+{
+    int32_t atomicLoggerCount;
+    NSDateFormatter *threadUnsafeDateFormatter; // Use [self stringFromDate]
+    
+    OSSpinLock lock;
+    
+    NSUInteger _minQueueLength;           // _prefix == Only access via atomic property
+    NSUInteger _maxQueueLength;           // _prefix == Only access via atomic property
+    NSMutableDictionary *_replacements;   // _prefix == Only access from within spinlock
+}
+
+- (id)init
+{
+    if ((self = [super init]))
+    {
+        dateFormatString = @"yyyy-MM-dd HH:mm:ss:SSS";
+        
+        atomicLoggerCount = 0;
+        threadUnsafeDateFormatter = nil;
+        
+        _minQueueLength = 0;
+        _maxQueueLength = 0;
+        _replacements = [[NSMutableDictionary alloc] init];
+        
+        // Set default replacements:
+        
+        _replacements[@"com.apple.main-thread"] = @"main";
+    }
+    return self;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Configuration
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@synthesize minQueueLength = _minQueueLength;
+@synthesize maxQueueLength = _maxQueueLength;
+
+- (NSString *)replacementStringForQueueLabel:(NSString *)longLabel
+{
+    NSString *result = nil;
+    
+    OSSpinLockLock(&lock);
+    {
+        result = _replacements[longLabel];
+    }
+    OSSpinLockUnlock(&lock);
+    
+    return result;
+}
+
+- (void)setReplacementString:(NSString *)shortLabel forQueueLabel:(NSString *)longLabel
+{
+    OSSpinLockLock(&lock);
+    {
+        if (shortLabel)
+            _replacements[longLabel] = shortLabel;
+        else
+            [_replacements removeObjectForKey:longLabel];
+    }
+    OSSpinLockUnlock(&lock);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark DDLogFormatter
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)stringFromDate:(NSDate *)date
+{
+    int32_t loggerCount = OSAtomicAdd32(0, &atomicLoggerCount);
+    
+    if (loggerCount <= 1)
+    {
+        // Single-threaded mode.
+        
+        if (threadUnsafeDateFormatter == nil)
+        {
+            threadUnsafeDateFormatter = [[NSDateFormatter alloc] init];
+            [threadUnsafeDateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+            [threadUnsafeDateFormatter setDateFormat:dateFormatString];
+        }
+        
+        [threadUnsafeDateFormatter setCalendar:[[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]];
+        return [threadUnsafeDateFormatter stringFromDate:date];
+    }
+    else
+    {
+        // Multi-threaded mode.
+        // NSDateFormatter is NOT thread-safe.
+        
+        NSString *key = @"DispatchQueueLogFormatter_NSDateFormatter";
+        
+        NSMutableDictionary *threadDictionary = [[NSThread currentThread] threadDictionary];
+        NSDateFormatter *dateFormatter = threadDictionary[key];
+        
+        if (dateFormatter == nil)
+        {
+            dateFormatter = [[NSDateFormatter alloc] init];
+            [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
+            [dateFormatter setDateFormat:dateFormatString];
+            
+            threadDictionary[key] = dateFormatter;
+        }
+        
+        [dateFormatter setCalendar:[[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]];
+        return [dateFormatter stringFromDate:date];
+    }
+}
+
+- (NSString *)queueThreadLabelForLogMessage:(DDLogMessage *)logMessage
+{
+    // As per the DDLogFormatter contract, this method is always invoked on the same thread/dispatch_queue
+    
+    NSUInteger minQueueLength = self.minQueueLength;
+    NSUInteger maxQueueLength = self.maxQueueLength;
+    
+    // Get the name of the queue, thread, or machID (whichever we are to use).
+    
+    NSString *queueThreadLabel = nil;
+    
+    BOOL useQueueLabel = YES;
+    BOOL useThreadName = NO;
+    
+    if (logMessage->queueLabel)
+    {
+        // If you manually create a thread, it's dispatch_queue will have one of the thread names below.
+        // Since all such threads have the same name, we'd prefer to use the threadName or the machThreadID.
+        
+        char *names[] = { "com.apple.root.low-priority",
+                          "com.apple.root.default-priority",
+                          "com.apple.root.high-priority",
+                          "com.apple.root.low-overcommit-priority",
+                          "com.apple.root.default-overcommit-priority",
+                          "com.apple.root.high-overcommit-priority"     };
+        
+        int length = sizeof(names) / sizeof(char *);
+        
+        int i;
+        for (i = 0; i < length; i++)
+        {
+            if (strcmp(logMessage->queueLabel, names[i]) == 0)
+            {
+                useQueueLabel = NO;
+                useThreadName = [logMessage->threadName length] > 0;
+                break;
+            }
+        }
+    }
+    else
+    {
+        useQueueLabel = NO;
+        useThreadName = [logMessage->threadName length] > 0;
+    }
+    
+    if (useQueueLabel || useThreadName)
+    {
+        NSString *fullLabel;
+        NSString *abrvLabel;
+        
+        if (useQueueLabel)
+            fullLabel = @(logMessage->queueLabel);
+        else
+            fullLabel = logMessage->threadName;
+        
+        OSSpinLockLock(&lock);
+        {
+            abrvLabel = _replacements[fullLabel];
+        }
+        OSSpinLockUnlock(&lock);
+        
+        if (abrvLabel)
+            queueThreadLabel = abrvLabel;
+        else
+            queueThreadLabel = fullLabel;
+    }
+    else
+    {
+        queueThreadLabel = [NSString stringWithFormat:@"%x", logMessage->machThreadID];
+    }
+    
+    // Now use the thread label in the output
+    
+    NSUInteger labelLength = [queueThreadLabel length];
+    
+    // labelLength > maxQueueLength : truncate
+    // labelLength < minQueueLength : padding
+    //                              : exact
+    
+    if ((maxQueueLength > 0) && (labelLength > maxQueueLength))
+    {
+        // Truncate
+        
+        return [queueThreadLabel substringToIndex:maxQueueLength];
+    }
+    else if (labelLength < minQueueLength)
+    {
+        // Padding
+        
+        NSUInteger numSpaces = minQueueLength - labelLength;
+        
+        char spaces[numSpaces + 1];
+        memset(spaces, ' ', numSpaces);
+        spaces[numSpaces] = '\0';
+        
+        return [NSString stringWithFormat:@"%@%s", queueThreadLabel, spaces];
+    }
+    else
+    {
+        // Exact
+        
+        return queueThreadLabel;
+    }
+}
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage
+{
+    NSString *timestamp = [self stringFromDate:(logMessage->timestamp)];
+    NSString *queueThreadLabel = [self queueThreadLabelForLogMessage:logMessage];
+    
+    return [NSString stringWithFormat:@"%@ [%@] %@", timestamp, queueThreadLabel, logMessage->logMsg];
+}
+
+- (void)didAddToLogger:(id <DDLogger>)logger
+{
+    OSAtomicIncrement32(&atomicLoggerCount);
+}
+
+- (void)willRemoveFromLogger:(id <DDLogger>)logger
+{
+    OSAtomicDecrement32(&atomicLoggerCount);
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.h b/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.h
new file mode 100755
index 0000000..c9876aa
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.h
@@ -0,0 +1,30 @@
+#import <Foundation/Foundation.h>
+#import "DDLog.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ *
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ *
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ *
+ *
+ * This formatter can be used to chain different formatters together.
+ * The log message will processed in the order of the formatters added.
+ **/
+
+@interface DDMultiFormatter : NSObject <DDLogFormatter>
+
+/**
+ *  Array of chained formatters
+ */
+@property (readonly) NSArray *formatters;
+
+- (void)addFormatter:(id<DDLogFormatter>)formatter;
+- (void)removeFormatter:(id<DDLogFormatter>)formatter;
+- (void)removeAllFormatters;
+- (BOOL)isFormattingWithFormatter:(id<DDLogFormatter>)formatter;
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.m b/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.m
new file mode 100755
index 0000000..cbb792b
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/DDMultiFormatter.m
@@ -0,0 +1,127 @@
+#import "DDMultiFormatter.h"
+
+/**
+ * Welcome to Cocoa Lumberjack!
+ *
+ * The project page has a wealth of documentation if you have any questions.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack
+ *
+ * If you're new to the project you may wish to read the "Getting Started" page.
+ * https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/GettingStarted
+ **/
+
+#if TARGET_OS_IPHONE
+// Compiling for iOS
+#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later
+#define NEEDS_DISPATCH_RETAIN_RELEASE 0
+#else                                         // iOS 5.X or earlier
+#define NEEDS_DISPATCH_RETAIN_RELEASE 1
+#endif
+#else
+// Compiling for Mac OS X
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080     // Mac OS X 10.8 or later
+#define NEEDS_DISPATCH_RETAIN_RELEASE 0
+#else                                         // Mac OS X 10.7 or earlier
+#define NEEDS_DISPATCH_RETAIN_RELEASE 1
+#endif
+#endif
+
+
+@interface DDMultiFormatter ()
+
+- (DDLogMessage *)logMessageForLine:(NSString *)line originalMessage:(DDLogMessage *)message;
+
+@end
+
+
+@implementation DDMultiFormatter {
+    dispatch_queue_t _queue;
+    NSMutableArray *_formatters;
+}
+
+- (id)init {
+    self = [super init];
+    if (self) {
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
+        _queue = dispatch_queue_create("cocoa.lumberjack.multiformatter", DISPATCH_QUEUE_CONCURRENT);
+#else
+        _queue = dispatch_queue_create("cocoa.lumberjack.multiformatter", NULL);
+#endif
+        _formatters = [NSMutableArray new];
+    }
+    
+    return self;
+}
+
+#if NEEDS_DISPATCH_RETAIN_RELEASE
+- (void)dealloc {
+    dispatch_release(_queue);
+}
+#endif
+
+#pragma mark Processing
+
+- (NSString *)formatLogMessage:(DDLogMessage *)logMessage {
+    __block NSString *line = logMessage->logMsg;
+    
+    dispatch_sync(_queue, ^{
+        for (id<DDLogFormatter> formatter in _formatters) {
+            DDLogMessage *message = [self logMessageForLine:line originalMessage:logMessage];
+            line = [formatter formatLogMessage:message];
+            
+            if (!line) {
+                break;
+            }
+        }
+    });
+    
+    return line;
+}
+
+- (DDLogMessage *)logMessageForLine:(NSString *)line originalMessage:(DDLogMessage *)message {
+    DDLogMessage *newMessage = [message copy];
+    newMessage->logMsg = line;
+    return newMessage;
+}
+
+#pragma mark Formatters
+
+- (NSArray *)formatters {
+    __block NSArray *formatters;
+    
+    dispatch_sync(_queue, ^{
+        formatters = [_formatters copy];
+    });
+    
+    return formatters;
+}
+
+- (void)addFormatter:(id<DDLogFormatter>)formatter {
+    dispatch_barrier_async(_queue, ^{
+        [_formatters addObject:formatter];
+    });
+}
+
+- (void)removeFormatter:(id<DDLogFormatter>)formatter {
+    dispatch_barrier_async(_queue, ^{
+        [_formatters removeObject:formatter];
+    });
+}
+
+- (void)removeAllFormatters {
+    dispatch_barrier_async(_queue, ^{
+        [_formatters removeAllObjects];
+    });
+}
+
+- (BOOL)isFormattingWithFormatter:(id<DDLogFormatter>)formatter {
+    __block BOOL hasFormatter;
+    
+    dispatch_sync(_queue, ^{
+        hasFormatter = [_formatters containsObject:formatter];
+    });
+    
+    return hasFormatter;
+}
+
+@end
diff --git a/Vendor/CocoaLumberjack/Extensions/README.txt b/Vendor/CocoaLumberjack/Extensions/README.txt
new file mode 100755
index 0000000..0ff3d93
--- /dev/null
+++ b/Vendor/CocoaLumberjack/Extensions/README.txt
@@ -0,0 +1,7 @@
+This folder contains some sample formatters that may be helpful.
+
+Feel free to change them, extend them, or use them as the basis for your own custom formatter(s).
+
+More information about creating your own custom formatters can be found on the wiki:
+https://github.com/CocoaLumberjack/CocoaLumberjack/wiki/CustomFormatters
+
diff --git a/Vendor/KissXML/Categories/NSString+DDXML.h b/Vendor/KissXML/Categories/NSString+DDXML.h
new file mode 100644
index 0000000..e9b919e
--- /dev/null
+++ b/Vendor/KissXML/Categories/NSString+DDXML.h
@@ -0,0 +1,18 @@
+#import <Foundation/Foundation.h>
+
+#if !(TARGET_IPHONE_SIMULATOR)
+@import libxml;
+#else
+@import libxmlSimu;
+#endif
+
+@interface NSString (DDXML)
+
+/**
+ * xmlChar - A basic replacement for char, a byte in a UTF-8 encoded string.
+**/
+- (const xmlChar *)xmlChar;
+
+- (NSString *)stringByTrimming;
+
+@end
diff --git a/Vendor/KissXML/Categories/NSString+DDXML.m b/Vendor/KissXML/Categories/NSString+DDXML.m
new file mode 100644
index 0000000..c86fcec
--- /dev/null
+++ b/Vendor/KissXML/Categories/NSString+DDXML.m
@@ -0,0 +1,31 @@
+#import "NSString+DDXML.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+@implementation NSString (DDXML)
+
+- (const xmlChar *)xmlChar
+{
+	return (const xmlChar *)[self UTF8String];
+}
+
+#ifdef GNUSTEP
+- (NSString *)stringByTrimming
+{
+	return [self stringByTrimmingSpaces];
+}
+#else
+- (NSString *)stringByTrimming
+{
+	NSMutableString *mStr = [self mutableCopy];
+	CFStringTrimWhitespace((__bridge CFMutableStringRef)mStr);
+	
+	NSString *result = [mStr copy];
+	
+	return result;
+}
+#endif
+
+@end
diff --git a/Vendor/KissXML/DDXML.h b/Vendor/KissXML/DDXML.h
new file mode 100644
index 0000000..43dbd75
--- /dev/null
+++ b/Vendor/KissXML/DDXML.h
@@ -0,0 +1,196 @@
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+#import "DDXMLNode.h"
+#import "DDXMLElement.h"
+#import "DDXMLDocument.h"
+
+
+
+#if TARGET_OS_IPHONE
+
+// Since KissXML is a drop in replacement for NSXML,
+// it may be desireable (when writing cross-platform code to be used on both Mac OS X and iOS)
+// to use the NSXML prefixes instead of the DDXML prefix.
+// 
+// This way, on Mac OS X it uses NSXML, and on iOS it uses KissXML.
+
+#ifndef NSXMLNode
+  #define NSXMLNode DDXMLNode
+#endif
+#ifndef NSXMLElement
+  #define NSXMLElement DDXMLElement
+#endif
+#ifndef NSXMLDocument
+  #define NSXMLDocument DDXMLDocument
+#endif
+
+#ifndef NSXMLInvalidKind
+  #define NSXMLInvalidKind DDXMLInvalidKind
+#endif
+#ifndef NSXMLDocumentKind
+  #define NSXMLDocumentKind DDXMLDocumentKind
+#endif
+#ifndef NSXMLElementKind
+  #define NSXMLElementKind DDXMLElementKind
+#endif
+#ifndef NSXMLAttributeKind
+  #define NSXMLAttributeKind DDXMLAttributeKind
+#endif
+#ifndef NSXMLNamespaceKind
+  #define NSXMLNamespaceKind DDXMLNamespaceKind
+#endif
+#ifndef NSXMLProcessingInstructionKind
+  #define NSXMLProcessingInstructionKind DDXMLProcessingInstructionKind
+#endif
+#ifndef NSXMLCommentKind
+  #define NSXMLCommentKind DDXMLCommentKind
+#endif
+#ifndef NSXMLTextKind
+  #define NSXMLTextKind DDXMLTextKind
+#endif
+#ifndef NSXMLDTDKind
+  #define NSXMLDTDKind DDXMLDTDKind
+#endif
+#ifndef NSXMLEntityDeclarationKind
+  #define NSXMLEntityDeclarationKind DDXMLEntityDeclarationKind
+#endif
+#ifndef NSXMLAttributeDeclarationKind
+  #define NSXMLAttributeDeclarationKind DDXMLAttributeDeclarationKind
+#endif
+#ifndef NSXMLElementDeclarationKind
+  #define NSXMLElementDeclarationKind DDXMLElementDeclarationKind
+#endif
+#ifndef NSXMLNotationDeclarationKind
+  #define NSXMLNotationDeclarationKind DDXMLNotationDeclarationKind
+#endif
+
+#ifndef NSXMLNodeOptionsNone
+  #define NSXMLNodeOptionsNone DDXMLNodeOptionsNone
+#endif
+#ifndef NSXMLNodeExpandEmptyElement
+  #define NSXMLNodeExpandEmptyElement DDXMLNodeExpandEmptyElement
+#endif
+#ifndef NSXMLNodeCompactEmptyElement
+  #define NSXMLNodeCompactEmptyElement DDXMLNodeCompactEmptyElement
+#endif
+#ifndef NSXMLNodePrettyPrint
+  #define NSXMLNodePrettyPrint DDXMLNodePrettyPrint
+#endif
+
+#endif // #if TARGET_OS_IPHONE
+
+
+
+// KissXML has rather straight-forward memory management:
+// https://github.com/robbiehanson/KissXML/wiki/MemoryManagementThreadSafety
+// 
+// There are 3 important concepts to keep in mind when working with KissXML:
+// 
+// 
+// 1.) KissXML provides a light-weight wrapper around libxml.
+// 
+// The parsing, creation, storage, etc of the xml tree is all done via libxml.
+// This is a fast low-level C library that's been around for ages, and comes pre-installed on Mac OS X and iOS.
+// KissXML provides an easy-to-use Objective-C library atop libxml.
+// So a DDXMLNode, DDXMLElement, or DDXMLDocument are simply objective-c objects
+// with pointers to the underlying libxml C structure.
+// Then only time you need to be aware of any of this is when it comes to equality.
+// In order to maximize speed and provide read-access thread-safety,
+// the library may create multiple DDXML wrapper objects that point to the same underlying xml node.
+// So don't assume you can test for equality with "==".
+// Instead use the isEqual method (as you should generally do with objects anyway).
+// 
+// 
+// 2.) XML is implicitly a tree heirarchy, and the XML API's are designed to allow traversal up & down the tree.
+// 
+// The tree heirarchy and API contract have an implicit impact concerning memory management.
+// 
+// <starbucks>
+//   <latte/>
+// </starbucks>
+// 
+// Imagine you have a DDXMLNode corresponding to the starbucks node,
+// and you have a DDXMLNode corresponding to the latte node.
+// Now imagine you release the starbucks node, but you retain a reference to the latte node.
+// What happens?
+// Well the latte node is a part of the xml tree heirarchy.
+// So if the latte node is still around, the xml tree heirarchy must stick around as well.
+// So even though the DDXMLNode corresponding to the starbucks node may get deallocated,
+// the underlying xml tree structure won't be freed until the latte node gets dealloacated.
+// 
+// In general, this means that KissXML remains thread-safe when reading and processing a tree.
+// If you traverse a tree and fork off asynchronous tasks to process subnodes,
+// the tree will remain properly in place until all your asynchronous tasks have completed.
+// In other words, it just works.
+// 
+// However, if you parse a huge document into memory, and retain a single node from the giant xml tree...
+// Well you should see the problem this creates.
+// Instead, in this situation, copy or detach the node if you want to keep it around.
+// Or just extract the info you need from it.
+// 
+// 
+// 3.) KissXML is read-access thread-safe, but write-access thread-unsafe (designed for speed).
+// 
+// <starbucks>
+//   <latte/>
+// </starbucks>
+// 
+// Imagine you have a DDXMLNode corresponding to the starbucks node,
+// and you have a DDXMLNode corresponding to the latte node.
+// What happens if you invoke [starbucks removeChildAtIndex:0]?
+// Well the undelying xml tree will remove the latte node, and release the associated memory.
+// And what if you still have a reference to the DDXMLNode that corresponds to the latte node?
+// Well the short answer is that you shouldn't use it. At all.
+// This is pretty obvious when you think about it from the context of this simple example.
+// But in the real world, you might have multiple threads running in parallel,
+// and you might accidently modify a node while another thread is processing it.
+// 
+// To completely fix this problem, and provide write-access thread-safety, would require extensive overhead.
+// This overhead is completely unwanted in the majority of cases.
+// Most XML usage patterns are heavily read-only.
+// And in the case of xml creation or modification, it is generally done on the same thread.
+// Thus the KissXML library is write-access thread-unsafe, but provides speedier performance.
+// 
+// However, when such a bug does creep up, it produces horrible side-effects.
+// Essentially the pointer to the underlying xml structure becomes a dangling pointer,
+// which means that accessing the dangling pointer might give you the correct results, or completely random results.
+// And attempting to make modifications to non-existant xml nodes via the dangling pointer might do nothing,
+// or completely corrupt your heap and cause un-explainable crashes in random parts of your library.
+// Heap corruption is one of the worst problems to track down.
+// So to help out, the library provides a debugging macro to track down these problems.
+// That is, if you invalidate the write-access thread-unsafe rule,
+// this macro will tell you when you're trying to access a now-dangling pointer.
+// 
+// How does it work?
+// Well everytime a DDXML wrapper object is created atop a libxml structure,
+// it marks the linkage in a table.
+// And everytime a libxml structure is freed, it destorys all corresponding linkages in the table.
+// So everytime a DDXML wrapper objects is about to dereference it's pointer,
+// it first ensures the linkage still exists in the table.
+// 
+// Set to 1 to enable
+// Set to 0 to disable (this is the default)
+// 
+// The debugging macro adds a significant amount of overhead, and should NOT be enabled on production builds.
+
+#if DEBUG
+  #define DDXML_DEBUG_MEMORY_ISSUES 0
+#else
+  #define DDXML_DEBUG_MEMORY_ISSUES 0 // Don't change me!
+#endif
diff --git a/Vendor/KissXML/DDXMLDocument.h b/Vendor/KissXML/DDXMLDocument.h
new file mode 100644
index 0000000..2057378
--- /dev/null
+++ b/Vendor/KissXML/DDXMLDocument.h
@@ -0,0 +1,84 @@
+#import <Foundation/Foundation.h>
+#import "DDXMLElement.h"
+#import "DDXMLNode.h"
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+enum {
+	DDXMLDocumentXMLKind = 0,
+	DDXMLDocumentXHTMLKind,
+	DDXMLDocumentHTMLKind,
+	DDXMLDocumentTextKind
+};
+typedef NSUInteger DDXMLDocumentContentKind;
+
+@interface DDXMLDocument : DDXMLNode
+{
+}
+
+- (id)initWithXMLString:(NSString *)string options:(NSUInteger)mask error:(NSError **)error;
+//- (id)initWithContentsOfURL:(NSURL *)url options:(NSUInteger)mask error:(NSError **)error;
+- (id)initWithData:(NSData *)data options:(NSUInteger)mask error:(NSError **)error;
+//- (id)initWithRootElement:(DDXMLElement *)element;
+
+//+ (Class)replacementClassForClass:(Class)cls;
+
+//- (void)setCharacterEncoding:(NSString *)encoding; //primitive
+//- (NSString *)characterEncoding; //primitive
+
+//- (void)setVersion:(NSString *)version;
+//- (NSString *)version;
+
+//- (void)setStandalone:(BOOL)standalone;
+//- (BOOL)isStandalone;
+
+//- (void)setDocumentContentKind:(DDXMLDocumentContentKind)kind;
+//- (DDXMLDocumentContentKind)documentContentKind;
+
+//- (void)setMIMEType:(NSString *)MIMEType;
+//- (NSString *)MIMEType;
+
+//- (void)setDTD:(DDXMLDTD *)documentTypeDeclaration;
+//- (DDXMLDTD *)DTD;
+
+//- (void)setRootElement:(DDXMLNode *)root;
+- (DDXMLElement *)rootElement;
+
+//- (void)insertChild:(DDXMLNode *)child atIndex:(NSUInteger)index;
+
+//- (void)insertChildren:(NSArray *)children atIndex:(NSUInteger)index;
+
+//- (void)removeChildAtIndex:(NSUInteger)index;
+
+//- (void)setChildren:(NSArray *)children;
+
+//- (void)addChild:(DDXMLNode *)child;
+
+//- (void)replaceChildAtIndex:(NSUInteger)index withNode:(DDXMLNode *)node;
+
+- (NSData *)XMLData;
+- (NSData *)XMLDataWithOptions:(NSUInteger)options;
+
+//- (id)objectByApplyingXSLT:(NSData *)xslt arguments:(NSDictionary *)arguments error:(NSError **)error;
+//- (id)objectByApplyingXSLTString:(NSString *)xslt arguments:(NSDictionary *)arguments error:(NSError **)error;
+//- (id)objectByApplyingXSLTAtURL:(NSURL *)xsltURL arguments:(NSDictionary *)argument error:(NSError **)error;
+
+//- (BOOL)validateAndReturnError:(NSError **)error;
+
+@end
diff --git a/Vendor/KissXML/DDXMLDocument.m b/Vendor/KissXML/DDXMLDocument.m
new file mode 100644
index 0000000..83cf02a
--- /dev/null
+++ b/Vendor/KissXML/DDXMLDocument.m
@@ -0,0 +1,140 @@
+#import "DDXMLPrivate.h"
+#import "NSString+DDXML.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+@implementation DDXMLDocument
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
++ (id)nodeWithDocPrimitive:(xmlDocPtr)doc owner:(DDXMLNode *)owner
+{
+	return [[DDXMLDocument alloc] initWithDocPrimitive:doc owner:owner];
+}
+
+- (id)initWithDocPrimitive:(xmlDocPtr)doc owner:(DDXMLNode *)inOwner
+{
+	self = [super initWithPrimitive:(xmlKindPtr)doc owner:inOwner];
+	return self;
+}
+
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes
+	NSAssert(NO, @"Use nodeWithDocPrimitive:owner:");
+	
+	return nil;
+}
+
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)inOwner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use initWithDocPrimitive:owner:");
+	
+	return nil;
+}
+
+/**
+ * Initializes and returns a DDXMLDocument object created from an NSData object.
+ * 
+ * Returns an initialized DDXMLDocument object, or nil if initialization fails
+ * because of parsing errors or other reasons.
+**/
+- (id)initWithXMLString:(NSString *)string options:(NSUInteger)mask error:(NSError **)error
+{
+	return [self initWithData:[string dataUsingEncoding:NSUTF8StringEncoding]
+	                  options:mask
+	                    error:error];
+}
+
+/**
+ * Initializes and returns a DDXMLDocument object created from an NSData object.
+ * 
+ * Returns an initialized DDXMLDocument object, or nil if initialization fails
+ * because of parsing errors or other reasons.
+**/
+- (id)initWithData:(NSData *)data options:(NSUInteger)mask error:(NSError **)error
+{
+	if (data == nil || [data length] == 0)
+	{
+		if (error) *error = [NSError errorWithDomain:@"DDXMLErrorDomain" code:0 userInfo:nil];
+		
+		return nil;
+	}
+	
+	// Even though xmlKeepBlanksDefault(0) is called in DDXMLNode's initialize method,
+	// it has been documented that this call seems to get reset on the iPhone:
+	// http://code.google.com/p/kissxml/issues/detail?id=8
+	// 
+	// Therefore, we call it again here just to be safe.
+	xmlKeepBlanksDefault(0);
+	
+	xmlDocPtr doc = xmlParseMemory([data bytes], (int)[data length]);
+	if (doc == NULL)
+	{
+		if (error) *error = [NSError errorWithDomain:@"DDXMLErrorDomain" code:1 userInfo:nil];
+		
+		return nil;
+	}
+	
+	return [self initWithDocPrimitive:doc owner:nil];
+}
+
+/**
+ * Returns the root element of the receiver.
+**/
+- (DDXMLElement *)rootElement
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlDocPtr doc = (xmlDocPtr)genericPtr;
+	
+	// doc->children is a list containing possibly comments, DTDs, etc...
+	
+	xmlNodePtr rootNode = xmlDocGetRootElement(doc);
+	
+	if (rootNode != NULL)
+		return [DDXMLElement nodeWithElementPrimitive:rootNode owner:self];
+	else
+		return nil;
+}
+
+- (NSData *)XMLData
+{
+	// Zombie test occurs in XMLString
+	
+	return [[self XMLString] dataUsingEncoding:NSUTF8StringEncoding];
+}
+
+- (NSData *)XMLDataWithOptions:(NSUInteger)options
+{
+	// Zombie test occurs in XMLString
+	
+	return [[self XMLStringWithOptions:options] dataUsingEncoding:NSUTF8StringEncoding];
+}
+
+@end
diff --git a/Vendor/KissXML/DDXMLElement.h b/Vendor/KissXML/DDXMLElement.h
new file mode 100644
index 0000000..379ab10
--- /dev/null
+++ b/Vendor/KissXML/DDXMLElement.h
@@ -0,0 +1,66 @@
+#import <Foundation/Foundation.h>
+#import "DDXMLNode.h"
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+@interface DDXMLElement : DDXMLNode
+{
+}
+
+- (id)initWithName:(NSString *)name;
+- (id)initWithName:(NSString *)name URI:(NSString *)URI;
+- (id)initWithName:(NSString *)name stringValue:(NSString *)string;
+- (id)initWithXMLString:(NSString *)string error:(NSError **)error;
+
+#pragma mark --- Elements by name ---
+
+- (NSArray *)elementsForName:(NSString *)name;
+- (NSArray *)elementsForLocalName:(NSString *)localName URI:(NSString *)URI;
+
+#pragma mark --- Attributes ---
+
+- (void)addAttribute:(DDXMLNode *)attribute;
+- (void)removeAttributeForName:(NSString *)name;
+- (void)setAttributes:(NSArray *)attributes;
+//- (void)setAttributesAsDictionary:(NSDictionary *)attributes;
+- (NSArray *)attributes;
+- (DDXMLNode *)attributeForName:(NSString *)name;
+//- (DDXMLNode *)attributeForLocalName:(NSString *)localName URI:(NSString *)URI;
+
+#pragma mark --- Namespaces ---
+
+- (void)addNamespace:(DDXMLNode *)aNamespace;
+- (void)removeNamespaceForPrefix:(NSString *)name;
+- (void)setNamespaces:(NSArray *)namespaces;
+- (NSArray *)namespaces;
+- (DDXMLNode *)namespaceForPrefix:(NSString *)prefix;
+- (DDXMLNode *)resolveNamespaceForName:(NSString *)name;
+- (NSString *)resolvePrefixForNamespaceURI:(NSString *)namespaceURI;
+
+#pragma mark --- Children ---
+
+- (void)insertChild:(DDXMLNode *)child atIndex:(NSUInteger)index;
+//- (void)insertChildren:(NSArray *)children atIndex:(NSUInteger)index;
+- (void)removeChildAtIndex:(NSUInteger)index;
+- (void)setChildren:(NSArray *)children;
+- (void)addChild:(DDXMLNode *)child;
+//- (void)replaceChildAtIndex:(NSUInteger)index withNode:(DDXMLNode *)node;
+//- (void)normalizeAdjacentTextNodesPreservingCDATA:(BOOL)preserve;
+
+@end
diff --git a/Vendor/KissXML/DDXMLElement.m b/Vendor/KissXML/DDXMLElement.m
new file mode 100644
index 0000000..012299f
--- /dev/null
+++ b/Vendor/KissXML/DDXMLElement.m
@@ -0,0 +1,801 @@
+#import "DDXMLPrivate.h"
+#import "NSString+DDXML.h"
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+@implementation DDXMLElement
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
++ (id)nodeWithElementPrimitive:(xmlNodePtr)node owner:(DDXMLNode *)owner
+{
+	return [[DDXMLElement alloc] initWithElementPrimitive:node owner:owner];
+}
+
+- (id)initWithElementPrimitive:(xmlNodePtr)node owner:(DDXMLNode *)inOwner
+{
+	self = [super initWithPrimitive:(xmlKindPtr)node owner:inOwner];
+	return self;
+}
+
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes
+	NSAssert(NO, @"Use nodeWithElementPrimitive:owner:");
+	
+	return nil;
+}
+
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)inOwner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use initWithElementPrimitive:owner:");
+	
+	return nil;
+}
+
+- (id)initWithName:(NSString *)name
+{
+	// Note: Make every guarantee that genericPtr is not null
+	
+	xmlNodePtr node = xmlNewNode(NULL, [name xmlChar]);
+	if (node == NULL)
+	{
+		return nil;
+	}
+	
+	return [self initWithElementPrimitive:node owner:nil];
+}
+
+- (id)initWithName:(NSString *)name URI:(NSString *)URI
+{
+	// Note: Make every guarantee that genericPtr is not null
+	
+	xmlNodePtr node = xmlNewNode(NULL, [name xmlChar]);
+	if (node == NULL)
+	{
+		return nil;
+	}
+	
+	DDXMLElement *result = [self initWithElementPrimitive:node owner:nil];
+	[result setURI:URI];
+	
+	return result;
+}
+
+- (id)initWithName:(NSString *)name stringValue:(NSString *)string
+{
+	// Note: Make every guarantee that genericPtr is not null
+	
+	xmlNodePtr node = xmlNewNode(NULL, [name xmlChar]);
+	if (node == NULL)
+	{
+		return nil;
+	}
+	
+	DDXMLElement *result = [self initWithElementPrimitive:node owner:nil];
+	[result setStringValue:string];
+	
+	return result;
+}
+
+- (id)initWithXMLString:(NSString *)string error:(NSError **)error
+{
+	DDXMLDocument *doc = [[DDXMLDocument alloc] initWithXMLString:string options:0 error:error];
+	if (doc == nil)
+	{
+		return nil;
+	}
+	
+	DDXMLElement *result = [doc rootElement];
+	[result detach];
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Elements by name
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Helper method elementsForName and elementsForLocalName:URI: so work isn't duplicated.
+ * The name parameter is required, all others are optional.
+**/
+- (NSArray *)_elementsForName:(NSString *)name
+                    localName:(NSString *)localName
+                       prefix:(NSString *)prefix
+                          uri:(NSString *)uri
+{
+	// This is a private/internal method
+	
+	// Rule : !uri             => match: name
+	// Rule : uri && hasPrefix => match: name || (localName && uri)
+	// Rule : uri && !hasPefix => match: name && uri
+	
+	xmlNodePtr node = (xmlNodePtr)genericPtr;
+	
+	NSMutableArray *result = [NSMutableArray array];
+	
+	BOOL hasPrefix = [prefix length] > 0;
+	
+	const xmlChar *xmlName      = [name xmlChar];
+	const xmlChar *xmlLocalName = [localName xmlChar];
+	const xmlChar *xmlUri       = [uri xmlChar];
+	
+	xmlNodePtr child = node->children;
+	while (child)
+	{
+		if (IsXmlNodePtr(child))
+		{
+			BOOL match = NO;
+			
+			if (uri == nil)
+			{
+				match = xmlStrEqual(child->name, xmlName);
+			}
+			else
+			{
+				BOOL nameMatch      = xmlStrEqual(child->name, xmlName);
+				BOOL localNameMatch = xmlStrEqual(child->name, xmlLocalName);
+				
+				BOOL uriMatch = NO;
+				if (child->ns)
+				{
+					uriMatch = xmlStrEqual(child->ns->href, xmlUri);
+				}
+				
+				if (hasPrefix)
+					match = nameMatch || (localNameMatch && uriMatch);
+				else
+					match = nameMatch && uriMatch;
+			}
+			
+			if (match)
+			{
+				[result addObject:[DDXMLElement nodeWithElementPrimitive:child owner:self]];
+			}
+		}
+		
+		child = child->next;
+	}
+	
+	return result;
+}
+
+/**
+ * Returns the child element nodes (as DDXMLElement objects) of the receiver that have a specified name.
+ * 
+ * If name is a qualified name, then this method invokes elementsForLocalName:URI: with the URI parameter set to
+ * the URI associated with the prefix. Otherwise comparison is based on string equality of the qualified or
+ * non-qualified name.
+**/
+- (NSArray *)elementsForName:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (name == nil) return [NSArray array];
+	
+	// We need to check to see if name has a prefix.
+	// If it does have a prefix, we need to figure out what the corresponding URI is for that prefix,
+	// and then search for any elements that have the same name (including prefix) OR have the same URI.
+	// Otherwise we loop through the children as usual and do a string compare on the name
+	
+	NSString *prefix;
+	NSString *localName;
+	
+	[DDXMLNode getPrefix:&prefix localName:&localName forName:name];
+	
+	if ([prefix length] > 0)
+	{
+		xmlNodePtr node = (xmlNodePtr)genericPtr;
+		
+		// Note: We use xmlSearchNs instead of resolveNamespaceForName: because
+		// we want to avoid creating wrapper objects when possible.
+		
+		xmlNsPtr ns = xmlSearchNs(node->doc, node, [prefix xmlChar]);
+		if (ns)
+		{
+			NSString *uri = [NSString stringWithUTF8String:((const char *)ns->href)];
+			return [self _elementsForName:name localName:localName prefix:prefix uri:uri];
+		}
+	}
+	
+	return [self _elementsForName:name localName:localName prefix:prefix uri:nil];
+}
+
+- (NSArray *)elementsForLocalName:(NSString *)localName URI:(NSString *)uri
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (localName == nil) return [NSArray array];
+	
+	// We need to figure out what the prefix is for this URI.
+	// Then we search for elements that are named prefix:localName OR (named localName AND have the given URI).
+	
+	NSString *prefix = [self _recursiveResolvePrefixForURI:uri atNode:(xmlNodePtr)genericPtr];
+	if (prefix)
+	{
+		NSString *name = [NSString stringWithFormat:@"%@:%@", prefix, localName];
+		
+		return [self _elementsForName:name localName:localName prefix:prefix uri:uri];
+	}
+	else
+	{
+		NSString *prefix;
+		NSString *realLocalName;
+		
+		[DDXMLNode getPrefix:&prefix localName:&realLocalName forName:localName];
+		
+		return [self _elementsForName:localName localName:realLocalName prefix:prefix uri:uri];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Attributes
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)_hasAttributeWithName:(NSString *)name
+{
+	// This is a private/internal method
+	
+	xmlAttrPtr attr = ((xmlNodePtr)genericPtr)->properties;
+	if (attr)
+	{
+		const xmlChar *xmlName = [name xmlChar];
+		do
+		{
+			if (xmlStrEqual(attr->name, xmlName))
+			{
+				return YES;
+			}
+			attr = attr->next;
+			
+		} while (attr);
+	}
+	
+	return NO;
+}
+
+- (void)_removeAttributeForName:(NSString *)name
+{
+	// This is a private/internal method
+	
+	xmlAttrPtr attr = ((xmlNodePtr)genericPtr)->properties;
+	if (attr)
+	{
+		const xmlChar *xmlName = [name xmlChar];
+		do
+		{
+			if (xmlStrEqual(attr->name, xmlName))
+			{
+				[DDXMLNode removeAttribute:attr];
+				return;
+			}
+			attr = attr->next;
+			
+		} while(attr);
+	}
+}
+
+- (void)addAttribute:(DDXMLNode *)attribute
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// NSXML version uses this same assertion
+	DDXMLAssert([attribute _hasParent] == NO, @"Cannot add an attribute with a parent; detach or copy first");
+	DDXMLAssert(IsXmlAttrPtr(attribute->genericPtr), @"Not an attribute");
+	
+	[self _removeAttributeForName:[attribute name]];
+	
+	// xmlNodePtr xmlAddChild(xmlNodePtr parent, xmlNodePtr cur)
+	// Add a new node to @parent, at the end of the child (or property) list merging
+	// adjacent TEXT nodes (in which case @cur is freed). If the new node is ATTRIBUTE, it is added
+	// into properties instead of children. If there is an attribute with equal name, it is first destroyed.
+	
+	xmlAddChild((xmlNodePtr)genericPtr, (xmlNodePtr)attribute->genericPtr);
+	
+	// The attribute is now part of the xml tree heirarchy
+	attribute->owner = self;
+}
+
+- (void)removeAttributeForName:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[self _removeAttributeForName:name];
+}
+
+- (NSArray *)attributes
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSMutableArray *result = [NSMutableArray array];
+	
+	xmlAttrPtr attr = ((xmlNodePtr)genericPtr)->properties;
+	while (attr != NULL)
+	{
+		[result addObject:[DDXMLAttributeNode nodeWithAttrPrimitive:attr owner:self]];
+		
+		attr = attr->next;
+	}
+	
+	return result;
+}
+
+- (DDXMLNode *)attributeForName:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = ((xmlNodePtr)genericPtr)->properties;
+	if (attr)
+	{
+		const xmlChar *xmlName = [name xmlChar];
+		do
+		{
+			if (attr->ns && attr->ns->prefix)
+			{
+				// If the attribute name was originally something like "xml:quack",
+				// then attr->name is "quack" and attr->ns->prefix is "xml".
+				// 
+				// So if the user is searching for "xml:quack" we need to take the prefix into account.
+				// Note that "xml:quack" is what would be printed if we output the attribute.
+				
+				if (xmlStrQEqual(attr->ns->prefix, attr->name, xmlName))
+				{
+					return [DDXMLAttributeNode nodeWithAttrPrimitive:attr owner:self];
+				}
+			}
+			else
+			{
+				if (xmlStrEqual(attr->name, xmlName))
+				{
+					return [DDXMLAttributeNode nodeWithAttrPrimitive:attr owner:self];
+				}
+			}
+			
+			attr = attr->next;
+			
+		} while (attr);
+	}
+	return nil;
+}
+
+/**
+ * Sets the list of attributes for the element.
+ * Any previously set attributes are removed.
+**/
+- (void)setAttributes:(NSArray *)attributes
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[DDXMLNode removeAllAttributesFromNode:(xmlNodePtr)genericPtr];
+	
+	NSUInteger i;
+	for (i = 0; i < [attributes count]; i++)
+	{
+		DDXMLNode *attribute = [attributes objectAtIndex:i];
+		[self addAttribute:attribute];
+		
+		// Note: The addAttributes method properly sets the freeOnDealloc ivar.
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Namespaces
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)_removeNamespaceForPrefix:(NSString *)name
+{
+	xmlNodePtr node = (xmlNodePtr)genericPtr;
+	
+	// If name is nil or the empty string, the user is wishing to remove the default namespace
+	const xmlChar *xmlName = [name length] > 0 ? [name xmlChar] : NULL;
+	
+	xmlNsPtr ns = node->nsDef;
+	while (ns != NULL)
+	{
+		if (xmlStrEqual(ns->prefix, xmlName))
+		{
+			[DDXMLNode removeNamespace:ns fromNode:node];
+			break;
+		}
+		ns = ns->next;
+	}
+	
+	// Note: The removeNamespace method properly handles the situation where the namespace is the default namespace
+}
+
+- (void)_addNamespace:(DDXMLNode *)namespace
+{
+	// NSXML version uses this same assertion
+	DDXMLAssert([namespace _hasParent] == NO, @"Cannot add a namespace with a parent; detach or copy first");
+	DDXMLAssert(IsXmlNsPtr(namespace->genericPtr), @"Not a namespace");
+	
+	xmlNodePtr node = (xmlNodePtr)genericPtr;
+	xmlNsPtr ns = (xmlNsPtr)namespace->genericPtr;
+	
+	// Beware: [namespace prefix] does NOT return what you might expect.  Use [namespace name] instead.
+	
+	NSString *namespaceName = [namespace name];
+	
+	[self _removeNamespaceForPrefix:namespaceName];
+	
+	xmlNsPtr currentNs = node->nsDef;
+	if (currentNs == NULL)
+	{
+		node->nsDef = ns;
+	}
+	else
+	{
+		while (currentNs->next != NULL)
+		{
+			currentNs = currentNs->next;
+		}
+		
+		currentNs->next = ns;
+	}
+	
+	// The namespace is now part of the xml tree heirarchy
+	namespace->owner = self;
+	
+	if ([namespace isKindOfClass:[DDXMLNamespaceNode class]])
+	{
+		DDXMLNamespaceNode *ddNamespace = (DDXMLNamespaceNode *)namespace;
+		
+		// The xmlNs structure doesn't contain a reference to the parent, so we manage our own reference
+		[ddNamespace _setNsParentPtr:node];
+	}
+	
+	// Did we just add a default namespace
+	if ([namespaceName isEqualToString:@""])
+	{
+		node->ns = ns;
+		
+		// Note: The removeNamespaceForPrefix method above properly handled removing any previous default namespace
+	}
+}
+
+- (void)addNamespace:(DDXMLNode *)namespace
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[self _addNamespace:namespace];
+}
+
+- (void)removeNamespaceForPrefix:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[self _removeNamespaceForPrefix:name];
+}
+
+- (NSArray *)namespaces
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSMutableArray *result = [NSMutableArray array];
+	
+	xmlNsPtr ns = ((xmlNodePtr)genericPtr)->nsDef;
+	while (ns != NULL)
+	{
+		[result addObject:[DDXMLNamespaceNode nodeWithNsPrimitive:ns nsParent:(xmlNodePtr)genericPtr owner:self]];
+		
+		ns = ns->next;
+	}
+	
+	return result;
+}
+
+- (DDXMLNode *)namespaceForPrefix:(NSString *)prefix
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// If the prefix is nil or the empty string, the user is requesting the default namespace
+	
+	if ([prefix length] == 0)
+	{
+		// Requesting the default namespace
+		xmlNsPtr ns = ((xmlNodePtr)genericPtr)->ns;
+		if (ns != NULL)
+		{
+			return [DDXMLNamespaceNode nodeWithNsPrimitive:ns nsParent:(xmlNodePtr)genericPtr owner:self];
+		}
+	}
+	else
+	{
+		xmlNsPtr ns = ((xmlNodePtr)genericPtr)->nsDef;
+		if (ns)
+		{
+			const xmlChar *xmlPrefix = [prefix xmlChar];
+			do
+			{
+				if (xmlStrEqual(ns->prefix, xmlPrefix))
+				{
+					return [DDXMLNamespaceNode nodeWithNsPrimitive:ns nsParent:(xmlNodePtr)genericPtr owner:self];
+				}
+				ns = ns->next;
+				
+			} while (ns);
+		}
+	}
+	
+	return nil;
+}
+
+- (void)setNamespaces:(NSArray *)namespaces
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[DDXMLNode removeAllNamespacesFromNode:(xmlNodePtr)genericPtr];
+	
+	NSUInteger i;
+	for (i = 0; i < [namespaces count]; i++)
+	{
+		DDXMLNode *namespace = [namespaces objectAtIndex:i];
+		[self _addNamespace:namespace];
+		
+		// Note: The addNamespace method properly sets the freeOnDealloc ivar.
+	}
+}
+
+/**
+ * Recursively searches the given node for the given namespace
+**/
+- (DDXMLNode *)_recursiveResolveNamespaceForPrefix:(NSString *)prefix atNode:(xmlNodePtr)nodePtr
+{
+	// This is a private/internal method
+	
+	if (nodePtr == NULL) return nil;
+	
+	xmlNsPtr ns = nodePtr->nsDef;
+	if (ns)
+	{
+		const xmlChar *xmlPrefix = [prefix xmlChar];
+		do
+		{
+			if (xmlStrEqual(ns->prefix, xmlPrefix))
+			{
+				return [DDXMLNamespaceNode nodeWithNsPrimitive:ns nsParent:nodePtr owner:self];
+			}
+			ns = ns->next;
+			
+		} while(ns);
+	}
+	
+	return [self _recursiveResolveNamespaceForPrefix:prefix atNode:nodePtr->parent];
+}
+
+/**
+ * Returns the namespace node with the prefix matching the given qualified name.
+ * Eg: You pass it "a:dog", it returns the namespace (defined in this node or parent nodes) that has the "a" prefix.
+**/
+- (DDXMLNode *)resolveNamespaceForName:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// If the user passes nil or an empty string for name, they're looking for the default namespace.
+	if ([name length] == 0)
+	{
+		return [self _recursiveResolveNamespaceForPrefix:nil atNode:(xmlNodePtr)genericPtr];
+	}
+	
+	NSString *prefix = [[self class] prefixForName:name];
+	
+	if ([prefix length] > 0)
+	{
+		// Unfortunately we can't use xmlSearchNs because it returns an xmlNsPtr.
+		// This gives us mostly what we want, except we also need to know the nsParent.
+		// So we do the recursive search ourselves.
+		
+		return [self _recursiveResolveNamespaceForPrefix:prefix atNode:(xmlNodePtr)genericPtr];
+	}
+	
+	return nil;
+}
+
+/**
+ * Recursively searches the given node for a namespace with the given URI, and a set prefix.
+**/
+- (NSString *)_recursiveResolvePrefixForURI:(NSString *)uri atNode:(xmlNodePtr)nodePtr
+{
+	// This is a private/internal method
+	
+	if (nodePtr == NULL) return nil;
+	
+	xmlNsPtr ns = nodePtr->nsDef;
+	if (ns)
+	{
+		const xmlChar *xmlUri = [uri xmlChar];
+		do
+		{
+			if (xmlStrEqual(ns->href, xmlUri))
+			{
+				if (ns->prefix != NULL)
+				{
+					return [NSString stringWithUTF8String:((const char *)ns->prefix)];
+				}
+			}
+			ns = ns->next;
+			
+		} while (ns);
+	}
+	
+	return [self _recursiveResolvePrefixForURI:uri atNode:nodePtr->parent];
+}
+
+/**
+ * Returns the prefix associated with the specified URI.
+ * Returns a string that is the matching prefix or nil if it finds no matching prefix.
+**/
+- (NSString *)resolvePrefixForNamespaceURI:(NSString *)namespaceURI
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// We can't use xmlSearchNsByHref because it will return xmlNsPtr's with NULL prefixes.
+	// We're looking for a definitive prefix for the given URI.
+	
+	return [self _recursiveResolvePrefixForURI:namespaceURI atNode:(xmlNodePtr)genericPtr];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Children
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)addChild:(DDXMLNode *)child
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// NSXML version uses these same assertions
+	DDXMLAssert([child _hasParent] == NO, @"Cannot add a child that has a parent; detach or copy first");
+	DDXMLAssert(IsXmlNodePtr(child->genericPtr),
+	            @"Elements can only have text, elements, processing instructions, and comments as children");
+	
+	xmlAddChild((xmlNodePtr)genericPtr, (xmlNodePtr)child->genericPtr);
+	
+	// The node is now part of the xml tree heirarchy
+	child->owner = self;
+}
+
+- (void)insertChild:(DDXMLNode *)child atIndex:(NSUInteger)index
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// NSXML version uses these same assertions
+	DDXMLAssert([child _hasParent] == NO, @"Cannot add a child that has a parent; detach or copy first");
+	DDXMLAssert(IsXmlNodePtr(child->genericPtr),
+	            @"Elements can only have text, elements, processing instructions, and comments as children");
+	
+	NSUInteger i = 0;
+	
+	xmlNodePtr childNodePtr = ((xmlNodePtr)genericPtr)->children;
+	while (childNodePtr != NULL)
+	{
+		// Ignore all but element, comment, text, or processing instruction nodes
+		if (IsXmlNodePtr(childNodePtr))
+		{
+			if (i == index)
+			{
+				xmlAddPrevSibling(childNodePtr, (xmlNodePtr)child->genericPtr);
+				
+				child->owner = self;
+				
+				return;
+			}
+			
+			i++;
+		}
+		childNodePtr = childNodePtr->next;
+	}
+	
+	if (i == index)
+	{
+		xmlAddChild((xmlNodePtr)genericPtr, (xmlNodePtr)child->genericPtr);
+		
+		child->owner = self;
+		
+		return;
+	}
+	
+	// NSXML version uses this same assertion
+	DDXMLAssert(NO, @"index (%u) beyond bounds (%u)", (unsigned)index, (unsigned)++i);
+}
+
+- (void)removeChildAtIndex:(NSUInteger)index
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSUInteger i = 0;
+	
+	xmlNodePtr child = ((xmlNodePtr)genericPtr)->children;
+	while (child != NULL)
+	{
+		// Ignore all but element, comment, text, or processing instruction nodes
+		if (IsXmlNodePtr(child))
+		{
+			if (i == index)
+			{
+				[DDXMLNode removeChild:child];
+				return;
+			}
+			
+			i++;
+		}
+		child = child->next;
+	}
+}
+
+- (void)setChildren:(NSArray *)children
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	[DDXMLNode removeAllChildrenFromNode:(xmlNodePtr)genericPtr];
+	
+	NSUInteger i;
+	for (i = 0; i < [children count]; i++)
+	{
+		DDXMLNode *child = [children objectAtIndex:i];
+		[self addChild:child];
+		
+		// Note: The addChild method properly sets the freeOnDealloc ivar.
+	}
+}
+
+@end
diff --git a/Vendor/KissXML/DDXMLNode.h b/Vendor/KissXML/DDXMLNode.h
new file mode 100644
index 0000000..65980b9
--- /dev/null
+++ b/Vendor/KissXML/DDXMLNode.h
@@ -0,0 +1,161 @@
+#import <Foundation/Foundation.h>
+
+#if !(TARGET_IPHONE_SIMULATOR)
+@import libxml;
+#else
+@import libxmlSimu;
+#endif
+
+@class DDXMLDocument;
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+enum {
+	DDXMLInvalidKind                = 0,
+	DDXMLDocumentKind               = XML_DOCUMENT_NODE,
+	DDXMLElementKind                = XML_ELEMENT_NODE,
+	DDXMLAttributeKind              = XML_ATTRIBUTE_NODE,
+	DDXMLNamespaceKind              = XML_NAMESPACE_DECL,
+	DDXMLProcessingInstructionKind  = XML_PI_NODE,
+	DDXMLCommentKind                = XML_COMMENT_NODE,
+	DDXMLTextKind                   = XML_TEXT_NODE,
+	DDXMLDTDKind                    = XML_DTD_NODE,
+	DDXMLEntityDeclarationKind      = XML_ENTITY_DECL,
+	DDXMLAttributeDeclarationKind   = XML_ATTRIBUTE_DECL,
+	DDXMLElementDeclarationKind     = XML_ELEMENT_DECL,
+	DDXMLNotationDeclarationKind    = XML_NOTATION_NODE
+};
+typedef NSUInteger DDXMLNodeKind;
+
+enum {
+	DDXMLNodeOptionsNone            = 0,
+	DDXMLNodeExpandEmptyElement     = 1 << 1,
+	DDXMLNodeCompactEmptyElement    = 1 << 2,
+	DDXMLNodePrettyPrint            = 1 << 17,
+};
+
+
+//extern struct _xmlKind;
+
+
+@interface DDXMLNode : NSObject <NSCopying>
+{
+	// Every DDXML object is simply a wrapper around an underlying libxml node
+	struct _xmlKind *genericPtr;
+	
+	// Every libxml node resides somewhere within an xml tree heirarchy.
+	// We cannot free the tree heirarchy until all referencing nodes have been released.
+	// So all nodes retain a reference to the node that created them,
+	// and when the last reference is released the tree gets freed.
+	DDXMLNode *owner;
+}
+
+//- (id)initWithKind:(DDXMLNodeKind)kind;
+
+//- (id)initWithKind:(DDXMLNodeKind)kind options:(NSUInteger)options;
+
+//+ (id)document;
+
+//+ (id)documentWithRootElement:(DDXMLElement *)element;
+
++ (id)elementWithName:(NSString *)name;
+
++ (id)elementWithName:(NSString *)name URI:(NSString *)URI;
+
++ (id)elementWithName:(NSString *)name stringValue:(NSString *)string;
+
++ (id)elementWithName:(NSString *)name children:(NSArray *)children attributes:(NSArray *)attributes;
+
++ (id)attributeWithName:(NSString *)name stringValue:(NSString *)stringValue;
+
++ (id)attributeWithName:(NSString *)name URI:(NSString *)URI stringValue:(NSString *)stringValue;
+
++ (id)namespaceWithName:(NSString *)name stringValue:(NSString *)stringValue;
+
++ (id)processingInstructionWithName:(NSString *)name stringValue:(NSString *)stringValue;
+
++ (id)commentWithStringValue:(NSString *)stringValue;
+
++ (id)textWithStringValue:(NSString *)stringValue;
+
+//+ (id)DTDNodeWithXMLString:(NSString *)string;
+
+#pragma mark --- Properties ---
+
+- (DDXMLNodeKind)kind;
+
+- (void)setName:(NSString *)name;
+- (NSString *)name;
+
+//- (void)setObjectValue:(id)value;
+//- (id)objectValue;
+
+- (void)setStringValue:(NSString *)string;
+//- (void)setStringValue:(NSString *)string resolvingEntities:(BOOL)resolve;
+- (NSString *)stringValue;
+
+#pragma mark --- Tree Navigation ---
+
+- (NSUInteger)index;
+
+- (NSUInteger)level;
+
+- (DDXMLDocument *)rootDocument;
+
+- (DDXMLNode *)parent;
+- (NSUInteger)childCount;
+- (NSArray *)children;
+- (DDXMLNode *)childAtIndex:(NSUInteger)index;
+
+- (DDXMLNode *)previousSibling;
+- (DDXMLNode *)nextSibling;
+
+- (DDXMLNode *)previousNode;
+- (DDXMLNode *)nextNode;
+
+- (void)detach;
+
+- (NSString *)XPath;
+
+#pragma mark --- QNames ---
+
+- (NSString *)localName;
+- (NSString *)prefix;
+
+- (void)setURI:(NSString *)URI;
+- (NSString *)URI;
+
++ (NSString *)localNameForName:(NSString *)name;
++ (NSString *)prefixForName:(NSString *)name;
+//+ (DDXMLNode *)predefinedNamespaceForPrefix:(NSString *)name;
+
+#pragma mark --- Output ---
+
+- (NSString *)description;
+- (NSString *)XMLString;
+- (NSString *)XMLStringWithOptions:(NSUInteger)options;
+//- (NSString *)canonicalXMLStringPreservingComments:(BOOL)comments;
+
+#pragma mark --- XPath/XQuery ---
+
+- (NSArray *)nodesForXPath:(NSString *)xpath error:(NSError **)error;
+//- (NSArray *)objectsForXQuery:(NSString *)xquery constants:(NSDictionary *)constants error:(NSError **)error;
+//- (NSArray *)objectsForXQuery:(NSString *)xquery error:(NSError **)error;
+
+@end
diff --git a/Vendor/KissXML/DDXMLNode.m b/Vendor/KissXML/DDXMLNode.m
new file mode 100644
index 0000000..a2cbabc
--- /dev/null
+++ b/Vendor/KissXML/DDXMLNode.m
@@ -0,0 +1,2905 @@
+#import "DDXMLPrivate.h"
+#import "NSString+DDXML.h"
+
+#import <libxml/xpath.h>
+#import <libxml/xpathInternals.h>
+
+#if ! __has_feature(objc_arc)
+#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
+#endif
+
+/**
+ * Welcome to KissXML.
+ * 
+ * The project page has documentation if you have questions.
+ * https://github.com/robbiehanson/KissXML
+ * 
+ * If you're new to the project you may wish to read the "Getting Started" wiki.
+ * https://github.com/robbiehanson/KissXML/wiki/GettingStarted
+ * 
+ * KissXML provides a drop-in replacement for Apple's NSXML class cluster.
+ * The goal is to get the exact same behavior as the NSXML classes.
+ * 
+ * For API Reference, see Apple's excellent documentation,
+ * either via Xcode's Mac OS X documentation, or via the web:
+ * 
+ * https://github.com/robbiehanson/KissXML/wiki/Reference
+**/
+
+@implementation DDXMLNode
+
+static void MyErrorHandler(void * userData, xmlErrorPtr error);
+
+#if DDXML_DEBUG_MEMORY_ISSUES
+
+static CFMutableDictionaryRef zombieTracker;
+static dispatch_queue_t zombieQueue;
+
+static void RecursiveMarkZombiesFromNode(xmlNodePtr node);
+static void RecursiveMarkZombiesFromDoc(xmlDocPtr doc);
+
+static void MarkZombies(void *xmlPtr);
+static void MarkBirth(void *xmlPtr, DDXMLNode *wrapper);
+static void MarkDeath(void *xmlPtr, DDXMLNode *wrapper);
+
+#endif
+
+/**
+ * From Apple's Documentation:
+ * 
+ * The runtime sends initialize to each class in a program exactly one time just before the class,
+ * or any class that inherits from it, is sent its first message from within the program. (Thus the method may
+ * never be invoked if the class is not used.) The runtime sends the initialize message to classes
+ * in a thread-safe manner. Superclasses receive this message before their subclasses.
+ * 
+ * The method may also be called directly (assumably by accident), hence the safety mechanism.
+**/
++ (void)initialize
+{
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		// Redirect error output to our own function (don't clog up the console)
+		initGenericErrorDefaultFunc(NULL);
+		xmlSetStructuredErrorFunc(NULL, MyErrorHandler);
+		
+		// Tell libxml not to keep ignorable whitespace (such as node indentation, formatting, etc).
+		// NSXML ignores such whitespace.
+		// This also has the added benefit of taking up less RAM when parsing formatted XML documents.
+		xmlKeepBlanksDefault(0);
+		
+		#if DDXML_DEBUG_MEMORY_ISSUES
+		{
+			zombieTracker = CFDictionaryCreateMutable(NULL, 0, NULL, &kCFTypeDictionaryValueCallBacks);
+			zombieQueue = dispatch_queue_create("DDXMLZombieQueue", NULL);
+		}
+		#endif
+		
+	});
+}
+
++ (id)elementWithName:(NSString *)name
+{
+	return [[DDXMLElement alloc] initWithName:name];
+}
+
++ (id)elementWithName:(NSString *)name stringValue:(NSString *)string
+{
+	return [[DDXMLElement alloc] initWithName:name stringValue:string];
+}
+
++ (id)elementWithName:(NSString *)name children:(NSArray *)children attributes:(NSArray *)attributes
+{
+	DDXMLElement *result = [[DDXMLElement alloc] initWithName:name];
+	[result setChildren:children];
+	[result setAttributes:attributes];
+	
+	return result;
+}
+
++ (id)elementWithName:(NSString *)name URI:(NSString *)URI
+{
+	return [[DDXMLElement alloc] initWithName:name URI:URI];
+}
+
++ (id)attributeWithName:(NSString *)name stringValue:(NSString *)stringValue
+{
+	xmlAttrPtr attr = xmlNewProp(NULL, [name xmlChar], [stringValue xmlChar]);
+	
+	if (attr == NULL) return nil;
+	
+	return [[DDXMLAttributeNode alloc] initWithAttrPrimitive:attr owner:nil];
+}
+
++ (id)attributeWithName:(NSString *)name URI:(NSString *)URI stringValue:(NSString *)stringValue
+{
+	xmlAttrPtr attr = xmlNewProp(NULL, [name xmlChar], [stringValue xmlChar]);
+	
+	if (attr == NULL) return nil;
+	
+	DDXMLAttributeNode *result = [[DDXMLAttributeNode alloc] initWithAttrPrimitive:attr owner:nil];
+	[result setURI:URI];
+	
+	return result;
+}
+
++ (id)namespaceWithName:(NSString *)name stringValue:(NSString *)stringValue
+{
+	// If the user passes a nil or empty string name, they are trying to create a default namespace
+	const xmlChar *xmlName = [name length] > 0 ? [name xmlChar] : NULL;
+	
+	xmlNsPtr ns = xmlNewNs(NULL, [stringValue xmlChar], xmlName);
+	
+	if (ns == NULL) return nil;
+	
+	return [[DDXMLNamespaceNode alloc] initWithNsPrimitive:ns nsParent:NULL owner:nil];
+}
+
++ (id)processingInstructionWithName:(NSString *)name stringValue:(NSString *)stringValue
+{
+	xmlNodePtr procInst = xmlNewPI([name xmlChar], [stringValue xmlChar]);
+	
+	if (procInst == NULL) return nil;
+	
+	return [[DDXMLNode alloc] initWithPrimitive:(xmlKindPtr)procInst owner:nil];
+}
+
++ (id)commentWithStringValue:(NSString *)stringValue
+{
+	xmlNodePtr comment = xmlNewComment([stringValue xmlChar]);
+	
+	if (comment == NULL) return nil;
+	
+	return [[DDXMLNode alloc] initWithPrimitive:(xmlKindPtr)comment owner:nil];
+}
+
++ (id)textWithStringValue:(NSString *)stringValue
+{
+	xmlNodePtr text = xmlNewText([stringValue xmlChar]);
+	
+	if (text == NULL) return nil;
+	
+	return [[DDXMLNode alloc] initWithPrimitive:(xmlKindPtr)text owner:nil];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Init, Dealloc
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
++ (id)nodeWithUnknownPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	if (kindPtr->type == XML_DOCUMENT_NODE)
+	{
+		return [DDXMLDocument nodeWithDocPrimitive:(xmlDocPtr)kindPtr owner:owner];
+	}
+	else if (kindPtr->type == XML_ELEMENT_NODE)
+	{
+		return [DDXMLElement nodeWithElementPrimitive:(xmlNodePtr)kindPtr owner:owner];
+	}
+	else if (kindPtr->type == XML_NAMESPACE_DECL)
+	{
+		// Todo: This may be a problem...
+		
+		return [DDXMLNamespaceNode nodeWithNsPrimitive:(xmlNsPtr)kindPtr nsParent:NULL owner:owner];
+	}
+	else if (kindPtr->type == XML_ATTRIBUTE_NODE)
+	{
+		return [DDXMLAttributeNode nodeWithAttrPrimitive:(xmlAttrPtr)kindPtr owner:owner];
+	}
+	else
+	{
+		return [DDXMLNode nodeWithPrimitive:kindPtr owner:owner];
+	}
+}
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	return [[DDXMLNode alloc] initWithPrimitive:kindPtr owner:owner];
+}
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)inOwner
+{
+	if ((self = [super init]))
+	{
+		genericPtr = kindPtr;
+		owner = inOwner;
+		
+	#if DDXML_DEBUG_MEMORY_ISSUES
+		MarkBirth(genericPtr, self);
+	#endif
+	}
+	return self;
+}
+
+/**
+ * This method shouldn't be used.
+ * To maintain compatibility with Apple, we return an invalid node.
+**/
+- (id)init
+{
+	self = [super init];
+	
+	if ([self isKindOfClass:[DDXMLInvalidNode class]])
+	{
+		return self;
+	}
+	else
+	{
+		return [[DDXMLInvalidNode alloc] init];
+	}
+}
+
+- (void)dealloc
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	MarkDeath(genericPtr, self);
+#endif
+	
+	// We also check if genericPtr is NULL.
+	// This may be the case if, e.g., DDXMLElement calls [self release] from it's init method.
+	
+	if ((owner == nil) && (genericPtr != NULL))
+	{
+		if (IsXmlNsPtr(genericPtr))
+		{
+		#if DDXML_DEBUG_MEMORY_ISSUES
+			MarkZombies(genericPtr);
+		#endif
+			xmlFreeNs((xmlNsPtr)genericPtr);
+		}
+		else if (IsXmlAttrPtr(genericPtr))
+		{
+		#if DDXML_DEBUG_MEMORY_ISSUES
+			MarkZombies(genericPtr);
+		#endif
+			xmlFreeProp((xmlAttrPtr)genericPtr);
+		}
+		else if (IsXmlDtdPtr(genericPtr))
+		{
+		#if DDXML_DEBUG_MEMORY_ISSUES
+			MarkZombies(genericPtr);
+		#endif
+			xmlFreeDtd((xmlDtdPtr)genericPtr);
+		}
+		else if (IsXmlDocPtr(genericPtr))
+		{
+			xmlDocPtr doc = (xmlDocPtr)genericPtr;
+			
+		#if DDXML_DEBUG_MEMORY_ISSUES
+			RecursiveMarkZombiesFromDoc(doc);
+		#endif
+			xmlFreeDoc(doc);
+		}
+		else if (IsXmlNodePtr(genericPtr))
+		{
+			xmlNodePtr node = (xmlNodePtr)genericPtr;
+			
+		#if DDXML_DEBUG_MEMORY_ISSUES
+			RecursiveMarkZombiesFromNode(node);
+		#endif
+			xmlFreeNode(node);
+		}
+		else
+		{
+			NSAssert1(NO, @"Cannot free unknown node type: %i", genericPtr->type);
+		}
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (IsXmlDocPtr(genericPtr))
+	{
+		xmlDocPtr copyDocPtr = xmlCopyDoc((xmlDocPtr)genericPtr, 1);
+		
+		if (copyDocPtr == NULL) return nil;
+		
+		return [[DDXMLDocument alloc] initWithDocPrimitive:copyDocPtr owner:nil];
+	}
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlNodePtr copyNodePtr = xmlCopyNode((xmlNodePtr)genericPtr, 1);
+		
+		if (copyNodePtr == NULL) return nil;
+		
+		if ([self isKindOfClass:[DDXMLElement class]])
+			return [[DDXMLElement alloc] initWithElementPrimitive:copyNodePtr owner:nil];
+		else
+			return [[DDXMLNode alloc] initWithPrimitive:(xmlKindPtr)copyNodePtr owner:nil];
+	}
+	
+	if (IsXmlAttrPtr(genericPtr))
+	{
+		xmlAttrPtr copyAttrPtr = xmlCopyProp(NULL, (xmlAttrPtr)genericPtr);
+		
+		if (copyAttrPtr == NULL) return nil;
+		
+		return [[DDXMLAttributeNode alloc] initWithAttrPrimitive:copyAttrPtr owner:nil];
+	}
+	
+	if (IsXmlNsPtr(genericPtr))
+	{
+		xmlNsPtr copyNsPtr = xmlCopyNamespace((xmlNsPtr)genericPtr);
+		
+		if (copyNsPtr == NULL) return nil;
+		
+		return [[DDXMLNamespaceNode alloc] initWithNsPrimitive:copyNsPtr nsParent:NULL owner:nil];
+	}
+	
+	if (IsXmlDtdPtr(genericPtr))
+	{
+		xmlDtdPtr copyDtdPtr = xmlCopyDtd((xmlDtdPtr)genericPtr);
+		
+		if (copyDtdPtr == NULL) return nil;
+		
+		return [[DDXMLNode alloc] initWithPrimitive:(xmlKindPtr)copyDtdPtr owner:nil];
+	}
+	
+	return nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Equality
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isEqual:(id)anObject
+{
+	// DDXMLNode, DDXMLElement, and DDXMLDocument are simply light-weight wrappers atop a libxml structure.
+	// 
+	// To provide maximum speed and thread-safety,
+	// multiple DDXML wrapper objects may be created that wrap the same underlying libxml node.
+	// 
+	// Thus equality is simply a matter of what underlying libxml node DDXML is wrapping.
+	
+	if ([anObject class] == [self class])
+	{
+		DDXMLNode *aNode = (DDXMLNode *)anObject;
+		
+		return (genericPtr == aNode->genericPtr);
+	}
+	
+	return NO;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (DDXMLNodeKind)kind
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (genericPtr != NULL)
+		return genericPtr->type;
+	else
+		return DDXMLInvalidKind;
+}
+
+- (void)setName:(NSString *)name
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// The xmlNodeSetName function works for both nodes and attributes
+	xmlNodeSetName((xmlNodePtr)genericPtr, [name xmlChar]);
+}
+
+- (NSString *)name
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	const xmlChar *xmlName = ((xmlStdPtr)genericPtr)->name;
+	if (xmlName == NULL)
+	{
+		return nil;
+	}
+	
+	NSString *name = [NSString stringWithUTF8String:(const char *)xmlName];
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlNodePtr node = (xmlNodePtr)genericPtr;
+		
+		NSRange range = [name rangeOfString:@":"];
+		if (range.length == 0)
+		{
+			if (node->ns && node->ns->prefix)
+			{
+				return [NSString stringWithFormat:@"%s:%@", node->ns->prefix, name];
+			}
+		}
+	}
+	
+	return name;
+}
+
+- (void)setStringValue:(NSString *)string
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlStdPtr node = (xmlStdPtr)genericPtr;
+		
+		// Setting the content of a node erases any existing child nodes.
+		// Therefore, we need to remove them properly first.
+		[[self class] removeAllChildrenFromNode:(xmlNodePtr)node];
+		
+		xmlChar *escapedString = xmlEncodeSpecialChars(node->doc, [string xmlChar]);
+		xmlNodeSetContent((xmlNodePtr)node, escapedString);
+		xmlFree(escapedString);
+	}
+}
+
+/**
+ * Returns the content of the receiver as a string value.
+ * 
+ * If the receiver is a node object of element kind, the content is that of any text-node children.
+ * This method recursively visits elements nodes and concatenates their text nodes in document order with
+ * no intervening spaces.
+**/
+- (NSString *)stringValue
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlChar *content = xmlNodeGetContent((xmlNodePtr)genericPtr);
+		
+		NSString *result = [NSString stringWithUTF8String:(const char *)content];
+		
+		xmlFree(content);
+		return result;
+	}
+	
+	return nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Tree Navigation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the index of the receiver identifying its position relative to its sibling nodes.
+ * The first child node of a parent has an index of zero.
+**/
+- (NSUInteger)index
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSUInteger result = 0;
+	
+	xmlStdPtr node = ((xmlStdPtr)genericPtr)->prev;
+	while (node != NULL)
+	{
+		result++;
+		node = node->prev;
+	}
+	
+	return result;
+}
+
+/**
+ * Returns the nesting level of the receiver within the tree hierarchy.
+ * The root element of a document has a nesting level of one.
+**/
+- (NSUInteger)level
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSUInteger result = 0;
+	
+	xmlNodePtr currentNode = ((xmlStdPtr)genericPtr)->parent;
+	while (currentNode != NULL)
+	{
+		result++;
+		currentNode = currentNode->parent;
+	}
+	
+	return result;
+}
+
+/**
+ * Returns the DDXMLDocument object containing the root element and representing the XML document as a whole.
+ * If the receiver is a standalone node (that is, a node at the head of a detached branch of the tree), this
+ * method returns nil.
+**/
+- (DDXMLDocument *)rootDocument
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	if (node == NULL || node->doc == NULL)
+		return nil;
+	else
+		return [DDXMLDocument nodeWithDocPrimitive:node->doc owner:self];
+}
+
+/**
+ * Returns the parent node of the receiver.
+ * 
+ * Document nodes and standalone nodes (that is, the root of a detached branch of a tree) have no parent, and
+ * sending this message to them returns nil. A one-to-one relationship does not always exists between a parent and
+ * its children; although a namespace or attribute node cannot be a child, it still has a parent element.
+**/
+- (DDXMLNode *)parent
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	if (node->parent == NULL)
+		return nil;
+	else
+		return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)node->parent owner:self];
+}
+
+/**
+ * Returns the number of child nodes the receiver has.
+ * For performance reasons, use this method instead of getting the count from the array returned by children.
+**/
+- (NSUInteger)childCount
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (!IsXmlDocPtr(genericPtr) && !IsXmlNodePtr(genericPtr) && !IsXmlDtdPtr(genericPtr))
+	{
+		return 0;
+	}
+	
+	NSUInteger result = 0;
+	
+	xmlNodePtr child = ((xmlStdPtr)genericPtr)->children;
+	while (child != NULL)
+	{
+		result++;
+		child = child->next;
+	}
+	
+	return result;
+}
+
+/**
+ * Returns an immutable array containing the child nodes of the receiver (as DDXMLNode objects).
+**/
+- (NSArray *)children
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (!IsXmlDocPtr(genericPtr) && !IsXmlNodePtr(genericPtr) && !IsXmlDtdPtr(genericPtr))
+	{
+		return nil;
+	}
+	
+	NSMutableArray *result = [NSMutableArray array];
+	
+	xmlNodePtr child = ((xmlStdPtr)genericPtr)->children;
+	while (child != NULL)
+	{
+		[result addObject:[DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)child owner:self]];
+		
+		child = child->next;
+	}
+	
+	return [result copy];
+}
+
+/**
+ * Returns the child node of the receiver at the specified location.
+ * Returns a DDXMLNode object or nil if the receiver has no children.
+ * 
+ * If the receive has children and index is out of bounds, an exception is raised.
+ * 
+ * The receiver should be a DDXMLNode object representing a document, element, or document type declaration.
+ * The returned node object can represent an element, comment, text, or processing instruction.
+**/
+- (DDXMLNode *)childAtIndex:(NSUInteger)index
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (!IsXmlDocPtr(genericPtr) && !IsXmlNodePtr(genericPtr) && !IsXmlDtdPtr(genericPtr))
+	{
+		return nil;
+	}
+	
+	NSUInteger i = 0;
+	
+	xmlNodePtr child = ((xmlStdPtr)genericPtr)->children;
+	
+	if (child == NULL)
+	{
+		// NSXML doesn't raise an exception if there are no children
+		return nil;
+	}
+	
+	while (child != NULL)
+	{
+		if (i == index)
+		{
+			return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)child owner:self];
+		}
+		
+		i++;
+		child = child->next;
+	}
+	
+	// NSXML version uses this same assertion
+	DDXMLAssert(NO, @"index (%u) beyond bounds (%u)", (unsigned)index, (unsigned)i);
+	
+	return nil;
+}
+
+/**
+ * Returns the previous DDXMLNode object that is a sibling node to the receiver.
+ * 
+ * This object will have an index value that is one less than the receiverÕs.
+ * If there are no more previous siblings (that is, other child nodes of the receiverÕs parent) the method returns nil.
+**/
+- (DDXMLNode *)previousSibling
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	if (node->prev == NULL)
+		return nil;
+	else
+		return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)node->prev owner:self];
+}
+
+/**
+ * Returns the next DDXMLNode object that is a sibling node to the receiver.
+ * 
+ * This object will have an index value that is one more than the receiverÕs.
+ * If there are no more subsequent siblings (that is, other child nodes of the receiverÕs parent) the
+ * method returns nil.
+**/
+- (DDXMLNode *)nextSibling
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	if (node->next == NULL)
+		return nil;
+	else
+		return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)node->next owner:self];
+}
+
+/**
+ * Returns the previous DDXMLNode object in document order.
+ * 
+ * You use this method to ÒwalkÓ backward through the tree structure representing an XML document or document section.
+ * (Use nextNode to traverse the tree in the opposite direction.) Document order is the natural order that XML
+ * constructs appear in markup text. If you send this message to the first node in the tree (that is, the root element),
+ * nil is returned. DDXMLNode bypasses namespace and attribute nodes when it traverses a tree in document order.
+**/
+- (DDXMLNode *)previousNode
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// If the node has a previous sibling,
+	// then we need the last child of the last child of the last child etc
+	
+	// Note: Try to accomplish this task without creating dozens of intermediate wrapper objects
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	xmlStdPtr previousSibling = node->prev;
+	
+	if (previousSibling != NULL)
+	{
+		if (previousSibling->last != NULL)
+		{
+			xmlNodePtr lastChild = previousSibling->last;
+			while (lastChild->last != NULL)
+			{
+				lastChild = lastChild->last;
+			}
+			
+			return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)lastChild owner:self];
+		}
+		else
+		{
+			// The previous sibling has no children, so the previous node is simply the previous sibling
+			return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)previousSibling owner:self];
+		}
+	}
+	
+	// If there are no previous siblings, then the previous node is simply the parent
+	
+	// Note: rootNode.parent == docNode
+	
+	if (node->parent == NULL || node->parent->type == XML_DOCUMENT_NODE)
+		return nil;
+	else
+		return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)node->parent owner:self];
+}
+
+/**
+ * Returns the next DDXMLNode object in document order.
+ * 
+ * You use this method to ÒwalkÓ forward through the tree structure representing an XML document or document section.
+ * (Use previousNode to traverse the tree in the opposite direction.) Document order is the natural order that XML
+ * constructs appear in markup text. If you send this message to the last node in the tree, nil is returned.
+ * DDXMLNode bypasses namespace and attribute nodes when it traverses a tree in document order.
+**/
+- (DDXMLNode *)nextNode
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// If the node has children, then next node is the first child
+	DDXMLNode *firstChild = [self childAtIndex:0];
+	if (firstChild)
+		return firstChild;
+	
+	// If the node has a next sibling, then next node is the same as next sibling
+	
+	DDXMLNode *nextSibling = [self nextSibling];
+	if (nextSibling)
+		return nextSibling;
+	
+	// There are no children, and no more siblings, so we need to get the next sibling of the parent.
+	// If that is nil, we need to get the next sibling of the grandparent, etc.
+	
+	// Note: Try to accomplish this task without creating dozens of intermediate wrapper objects
+	
+	xmlNodePtr parent = ((xmlStdPtr)genericPtr)->parent;
+	while (parent != NULL)
+	{
+		xmlNodePtr parentNextSibling = parent->next;
+		if (parentNextSibling != NULL)
+			return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)parentNextSibling owner:self];
+		else
+			parent = parent->parent;
+	}
+	
+	return nil;
+}
+
+/**
+ * Detaches the receiver from its parent node.
+ *
+ * This method is applicable to DDXMLNode objects representing elements, text, comments, processing instructions,
+ * attributes, and namespaces. Once the node object is detached, you can add it as a child node of another parent.
+**/
+- (void)detach
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	if (node->parent != NULL)
+	{
+		if (IsXmlNodePtr(genericPtr))
+		{
+			[[self class] detachChild:(xmlNodePtr)node];
+			
+			owner = nil;
+		}
+	}
+}
+
+- (xmlStdPtr)_XPathPreProcess:(NSMutableString *)result
+{
+	// This is a private/internal method
+	
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+	return (xmlStdPtr)genericPtr;
+}
+
+- (NSString *)XPath
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSMutableString *result = [NSMutableString stringWithCapacity:25];
+	
+	// Examples:
+	// /rootElement[1]/subElement[4]/thisNode[2]
+	// topElement/thisNode[2]
+	
+	xmlStdPtr node = [self _XPathPreProcess:result];
+	
+	// Note: rootNode.parent == docNode
+		
+	while ((node != NULL) && (node->type != XML_DOCUMENT_NODE))
+	{
+		if ((node->parent == NULL) && (node->doc == NULL))
+		{
+			// We're at the top of the heirarchy, and there is no xml document.
+			// Thus we don't use a leading '/', and we don't need an index.
+			
+			[result insertString:[NSString stringWithFormat:@"%s", node->name] atIndex:0];
+		}
+		else
+		{
+			// Find out what index this node is.
+			// If it's the first node with this name, the index is 1.
+			// If there are previous siblings with the same name, the index is greater than 1.
+			
+			int index = 1;
+			xmlStdPtr prevNode = node->prev;
+			
+			while (prevNode != NULL)
+			{
+				if (xmlStrEqual(node->name, prevNode->name))
+				{
+					index++;
+				}
+				prevNode = prevNode->prev;
+			}
+			
+			[result insertString:[NSString stringWithFormat:@"/%s[%i]", node->name, index] atIndex:0];
+		}
+		
+		node = (xmlStdPtr)node->parent;
+	}
+	
+	return [result copy];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark QNames
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Returns the local name of the receiver.
+ * 
+ * The local name is the part of a node name that follows a namespace-qualifying colon or the full name if
+ * there is no colon. For example, ÒchapterÓ is the local name in the qualified name Òacme:chapterÓ.
+**/
+- (NSString *)localName
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+	// Zombie test occurs in [self name]
+	
+	return [[self class] localNameForName:[self name]];
+}
+
+/**
+ * Returns the prefix of the receiverÕs name.
+ * 
+ * The prefix is the part of a namespace-qualified name that precedes the colon.
+ * For example, ÒacmeÓ is the local name in the qualified name Òacme:chapterÓ.
+ * This method returns an empty string if the receiverÕs name is not qualified by a namespace.
+**/
+- (NSString *)prefix
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	
+	// Zombie test occurs in [self name]
+	
+	return [[self class] prefixForName:[self name]];
+}
+
+/**
+ * Sets the URI identifying the source of this document.
+ * Pass nil to remove the current URI.
+**/
+- (void)setURI:(NSString *)URI
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlNodePtr node = (xmlNodePtr)genericPtr;
+		if (node->ns != NULL)
+		{
+			[[self class] removeNamespace:node->ns fromNode:node];
+		}
+		
+		if (URI)
+		{
+			// Create a new xmlNsPtr, add it to the nsDef list, and make ns point to it
+			xmlNsPtr ns = xmlNewNs(NULL, [URI xmlChar], NULL);
+			ns->next = node->nsDef;
+			node->nsDef = ns;
+			node->ns = ns;
+		}
+	}
+}
+
+/**
+ * Returns the URI associated with the receiver.
+ * 
+ * A nodeÕs URI is derived from its namespace or a documentÕs URI; for documents, the URI comes either from the
+ * parsed XML or is explicitly set. You cannot change the URI for a particular node other for than a namespace
+ * or document node.
+**/
+- (NSString *)URI
+{
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (IsXmlNodePtr(genericPtr))
+	{
+		xmlNodePtr node = (xmlNodePtr)genericPtr;
+		if (node->ns != NULL)
+		{
+			return [NSString stringWithUTF8String:((const char *)node->ns->href)];
+		}
+	}
+	
+	return nil;
+}
+
++ (void)getHasPrefix:(BOOL *)hasPrefixPtr localName:(NSString **)localNamePtr forName:(NSString *)name
+{
+	// This is a private/internal method
+	
+	if (name)
+	{
+		NSRange range = [name rangeOfString:@":"];
+		
+		if (range.length != 0)
+		{
+			if (hasPrefixPtr) *hasPrefixPtr = range.location > 0;
+			if (localNamePtr) *localNamePtr = [name substringFromIndex:(range.location + range.length)];
+		}
+		else
+		{
+			if (hasPrefixPtr) *hasPrefixPtr = NO;
+			if (localNamePtr) *localNamePtr = name;
+		}
+	}
+	else
+	{
+		if (hasPrefixPtr) *hasPrefixPtr = NO;
+		if (localNamePtr) *localNamePtr = nil;
+	}
+}
+
++ (void)getPrefix:(NSString **)prefixPtr localName:(NSString **)localNamePtr forName:(NSString *)name
+{
+	// This is a private/internal method
+	
+	if (name)
+	{
+		NSRange range = [name rangeOfString:@":"];
+		
+		if (range.length != 0)
+		{
+			if (prefixPtr)    *prefixPtr    = [name substringToIndex:range.location];
+			if (localNamePtr) *localNamePtr = [name substringFromIndex:(range.location + range.length)];
+		}
+		else
+		{
+			if (prefixPtr)    *prefixPtr    = @"";
+			if (localNamePtr) *localNamePtr = name;
+		}
+	}
+	else
+	{
+		if (prefixPtr)    *prefixPtr    = @"";
+		if (localNamePtr) *localNamePtr = nil;
+	}
+}
+
+/**
+ * Returns the local name from the specified qualified name.
+ * 
+ * Examples:
+ * "a:node" -> "node"
+ * "a:a:node" -> "a:node"
+ * "node" -> "node"
+ * nil - > nil
+**/
++ (NSString *)localNameForName:(NSString *)name
+{
+	// This is a public/API method
+	
+	NSString *localName;
+	[self getPrefix:NULL localName:&localName forName:name];
+	
+	return localName;
+}
+
+/**
+ * Extracts the prefix from the given name.
+ * If name is nil, or has no prefix, an empty string is returned.
+ * 
+ * Examples:
+ * "a:deusty.com" -> "a"
+ * "a:a:deusty.com" -> "a"
+ * "node" -> ""
+ * nil -> ""
+**/
++ (NSString *)prefixForName:(NSString *)name
+{
+	// This is a public/API method
+	
+	NSString *prefix;
+	[self getPrefix:&prefix localName:NULL forName:name];
+	
+	return prefix;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Output
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)description
+{
+	// Zombie test occurs in XMLStringWithOptions:
+	
+	return [self XMLStringWithOptions:0];
+}
+
+- (NSString *)XMLString
+{
+	// Zombie test occurs in XMLStringWithOptions:
+	
+	return [self XMLStringWithOptions:0];
+}
+
+- (NSString *)XMLStringWithOptions:(NSUInteger)options
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// xmlSaveNoEmptyTags:
+	// Global setting, asking the serializer to not output empty tags
+	// as <empty/> but <empty></empty>. those two forms are undistinguishable
+	// once parsed.
+	// Disabled by default
+	
+	if (options & DDXMLNodeCompactEmptyElement)
+		xmlSaveNoEmptyTags = 0;
+	else
+		xmlSaveNoEmptyTags = 1;
+	
+	int format = 0;
+	if (options & DDXMLNodePrettyPrint)
+	{
+		format = 1;
+		xmlIndentTreeOutput = 1;
+	}
+	
+	int dumpCnt;
+	
+	xmlBufferPtr bufferPtr = xmlBufferCreate();
+	if (IsXmlNsPtr(genericPtr))
+		dumpCnt = xmlNodeDump(bufferPtr, NULL, (xmlNodePtr)genericPtr, 0, format);
+	else
+		dumpCnt = xmlNodeDump(bufferPtr, ((xmlStdPtr)genericPtr)->doc, (xmlNodePtr)genericPtr, 0, format);
+	
+	if (dumpCnt < 0)
+	{
+		return nil;
+	}
+	
+	if ([self kind] == DDXMLTextKind)
+	{
+		NSString *result = [NSString stringWithUTF8String:(const char *)bufferPtr->content];
+		
+		xmlBufferFree(bufferPtr);
+		
+		return result;
+	}
+	else
+	{
+		NSMutableString *resTmp = [NSMutableString stringWithUTF8String:(const char *)bufferPtr->content];
+		CFStringTrimWhitespace((__bridge CFMutableStringRef)resTmp);
+		
+		xmlBufferFree(bufferPtr);
+		
+		return [resTmp copy];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark XPath/XQuery
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSArray *)nodesForXPath:(NSString *)xpath error:(NSError **)error
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlXPathContextPtr xpathCtx;
+	xmlXPathObjectPtr xpathObj;
+	
+	BOOL isTempDoc = NO;
+	xmlDocPtr doc;
+	
+	if (IsXmlDocPtr(genericPtr))
+	{
+		doc = (xmlDocPtr)genericPtr;
+	}
+	else if (IsXmlNodePtr(genericPtr))
+	{
+		doc = ((xmlNodePtr)genericPtr)->doc;
+		
+		if(doc == NULL)
+		{
+			isTempDoc = YES;
+			
+			doc = xmlNewDoc(NULL);
+			xmlDocSetRootElement(doc, (xmlNodePtr)genericPtr);
+		}
+	}
+	else
+	{
+		return nil;
+	}
+	
+	xpathCtx = xmlXPathNewContext(doc);
+	xpathCtx->node = (xmlNodePtr)genericPtr;
+		
+	xmlNodePtr rootNode = (doc)->children;
+	if(rootNode != NULL)
+	{
+		xmlNsPtr ns = rootNode->nsDef;
+		while(ns != NULL)
+		{
+			xmlXPathRegisterNs(xpathCtx, ns->prefix, ns->href);
+			
+			ns = ns->next;
+		}
+	}
+	
+	xpathObj = xmlXPathEvalExpression([xpath xmlChar], xpathCtx);
+	
+	NSArray *result;
+	
+	if(xpathObj == NULL)
+	{
+		if(error) *error = [[self class] lastError];
+		result = nil;
+	}
+	else
+	{
+		if(error) *error = nil;
+		
+		int count = xmlXPathNodeSetGetLength(xpathObj->nodesetval);
+		
+		if(count == 0)
+		{
+			result = [NSArray array];
+		}
+		else
+		{
+			NSMutableArray *mResult = [NSMutableArray arrayWithCapacity:count];
+			
+			int i;
+			for (i = 0; i < count; i++)
+			{
+				xmlNodePtr node = xpathObj->nodesetval->nodeTab[i];
+				
+				[mResult addObject:[DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)node owner:self]];
+			}
+			
+			result = mResult;
+		}
+	}
+	
+	if(xpathObj) xmlXPathFreeObject(xpathObj);
+	if(xpathCtx) xmlXPathFreeContext(xpathCtx);
+	
+	if (isTempDoc)
+	{
+		xmlUnlinkNode((xmlNodePtr)genericPtr);
+		xmlFreeDoc(doc);
+		
+		// xmlUnlinkNode doesn't remove the doc ptr
+		[[self class] recursiveStripDocPointersFromNode:(xmlNodePtr)genericPtr];
+	}
+	
+	return result;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// ---------- MEMORY MANAGEMENT ARCHITECTURE ----------
+// 
+// KissXML is designed to be read-access thread-safe.
+// It is not write-access thread-safe as this would require significant overhead.
+// 
+// What exactly does read-access thread-safe mean?
+// It means that multiple threads can safely read from the same xml structure,
+// so long as none of them attempt to alter the xml structure (add/remove nodes, change attributes, etc).
+// 
+// This read-access thread-safety includes parsed xml structures as well as xml structures created by you.
+// Let's walk through a few examples to get a deeper understanding.
+// 
+// 
+// 
+// Example #1 - Parallel processing of children
+// 
+// DDXMLElement *root = [[DDXMLElement alloc] initWithXMLString:str error:nil];
+// NSArray *children = [root children];
+// 
+// dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+// dispatch_apply([children count], q, ^(size_t i) {
+//     DDXMLElement *child = [children objectAtIndex:i];
+//     <process child>
+// });
+// 
+// 
+// 
+// Example #2 - Asynchronous child processing
+// 
+// DDXMLElement *root = [[DDXMLElement alloc] initWithXMLString:str error:nil];
+// DDXMLElement *child = [root elementForName:@"starbucks"];
+// 
+// dispatch_async(queue, ^{
+//     <process child>
+// });
+// 
+// [root release];
+// 
+// You may have noticed that we possibly released the root node before the child was processed.
+// Is this safe?
+// 
+// The answer is YES.
+// The child node retains a reference to the root node,
+// so the xml tree heirarchy won't be freed until you're done using all associated nodes.
+// 
+// 
+// 
+
+
+/**
+ * Returns whether or not the node has a parent.
+ * Use this method instead of parent when you only need to ensure parent is nil.
+ * This prevents the unnecessary creation of a parent node wrapper.
+**/
+- (BOOL)_hasParent
+{
+	// This is a private/internal method
+	
+	// Note: DDXMLNamespaceNode overrides this method
+	
+	xmlStdPtr node = (xmlStdPtr)genericPtr;
+	
+	return (node->parent != NULL);
+}
+
++ (void)stripDocPointersFromAttr:(xmlAttrPtr)attr
+{
+	xmlNodePtr child = attr->children;
+	while (child != NULL)
+	{
+		child->doc = NULL;
+		child = child->next;
+	}
+	
+	attr->doc = NULL;
+}
+
++ (void)recursiveStripDocPointersFromNode:(xmlNodePtr)node
+{
+	xmlAttrPtr attr = node->properties;
+	while (attr != NULL)
+	{
+		[self stripDocPointersFromAttr:attr];
+		attr = attr->next;
+	}
+	
+	xmlNodePtr child = node->children;
+	while (child != NULL)
+	{
+		[self recursiveStripDocPointersFromNode:child];
+		child = child->next;
+	}
+	
+	node->doc = NULL;
+}
+
+/**
+ * If node->ns is pointing to the given ns, the pointer is nullified.
+ * The same goes for any attributes and childrend of node.
+**/
++ (void)recursiveStripNamespace:(xmlNsPtr)ns fromNode:(xmlNodePtr)node
+{
+	if (node->ns == ns)
+	{
+		node->ns = NULL;
+	}
+	
+	xmlAttrPtr attr = node->properties;
+	while (attr)
+	{
+		if (attr->ns == ns)
+		{
+			attr->ns = NULL;
+		}
+		attr = attr->next;
+	}
+	
+	xmlNodePtr child = node->children;
+	while (child)
+	{
+		[self recursiveStripNamespace:ns fromNode:child];
+		child = child->next;
+	}
+}
+
+/**
+ * If node or any of its attributes or children are referencing the the given old namespace,
+ * they are migrated to reference the new namespace instead.
+ * 
+ * If newNs is NULL, and a reference to oldNs is found, then oldNs is copied,
+ * and the copy is used for the remainder of the recursion.
+ * 
+ * This method makes copies of oldNs as needed so that oldNs can be cleanly detached from the tree.
+**/
++ (void)recursiveMigrateNamespace:(xmlNsPtr)oldNs to:(xmlNsPtr)newNs node:(xmlNodePtr)node
+{
+	// Do we need to copy old namespace?
+	
+	if (newNs == NULL)
+	{
+		// A copy needs to be made if:
+		//  * node->ns == oldNs
+		//  * attr->ns == oldNs
+		// 
+		// Remember: The namespaces in node->nsDef are owned by node.
+		//           That's not what we're migrating.
+		
+		BOOL needsCopy = (node->ns == oldNs);
+		
+		if (!needsCopy)
+		{
+			xmlAttrPtr attr = node->properties;
+			while (attr)
+			{
+				if (attr->ns == oldNs)
+				{
+					needsCopy = YES;
+					break;
+				}
+				attr = attr->next;
+			}
+		}
+		
+		if (needsCopy)
+		{
+			// Copy oldNs, and place at the end of the node's namspace list
+			newNs = xmlNewNs(NULL, oldNs->href, oldNs->prefix);
+			
+			if (node->nsDef == NULL)
+			{
+				node->nsDef = newNs;
+			}
+			else
+			{
+				xmlNsPtr lastNs = node->nsDef;
+				while (lastNs->next)
+				{
+					lastNs = lastNs->next;
+				}
+				
+				lastNs->next = newNs;
+			}
+		}
+	}
+	
+	// Migrate node & attributes
+	
+	if (newNs)
+	{
+		if (node->ns == oldNs)
+		{
+			node->ns = newNs;
+		}
+		
+		xmlAttrPtr attr = node->properties;
+		while (attr)
+		{
+			if (attr->ns == oldNs)
+			{
+				attr->ns = newNs;
+			}
+			attr = attr->next;
+		}
+	}
+	
+	// Migrate children
+	
+	xmlNodePtr child = node->children;
+	while (child)
+	{
+		[self recursiveMigrateNamespace:oldNs to:newNs node:child];
+		child = child->next;
+	}
+}
+
+/**
+ * If node has a default namespace allocated outside the given root,
+ * this method copies the namespace so that the given root can be cleanly detached from its tree.
+**/
++ (void)recursiveFixDefaultNamespacesInNode:(xmlNodePtr)node withNewRoot:(xmlNodePtr)rootNode
+{
+	NSAssert(rootNode != NULL, @"Must specify rootNode.");
+	
+	// Step 1 of 3
+	// 
+	// Copy our namespace.
+	// It's important to do this first (before the other steps).
+	// This way attributes and children can reference our copy. (prevents multiple copies throughout tree)
+	
+	xmlNsPtr nodeNs = node->ns;
+	if (nodeNs)
+	{
+		// Does the namespace reside within the new root somewhere?
+		// We can find out by searching for it in nsDef lists up to the given root.
+		
+		BOOL nsResidesWithinNewRoot = NO;
+		
+		xmlNodePtr treeNode = node;
+		while (treeNode)
+		{
+			xmlNsPtr treeNs = treeNode->nsDef;
+			while (treeNs)
+			{
+				if (treeNs == nodeNs)
+				{
+					nsResidesWithinNewRoot = YES;
+					break;
+				}
+				
+				treeNs = treeNs->next;
+			}
+			
+			if (nsResidesWithinNewRoot || treeNode == rootNode)
+				treeNode = NULL;
+			else
+				treeNode = treeNode->parent;
+		}
+		
+		if (!nsResidesWithinNewRoot)
+		{
+			// Create a copy of the namespace, add to nsDef list, and then set as ns
+			xmlNsPtr nodeNsCopy = xmlNewNs(NULL, nodeNs->href, nodeNs->prefix);
+			
+			nodeNsCopy->next = node->nsDef;
+			node->nsDef = nodeNsCopy;
+			
+			node->ns = nodeNsCopy;
+		}
+	}
+	
+	// Step 2 of 3
+	// 
+	// If any attributes are referencing namespaces outside the new root,
+	// copy the namespaces into node, and have the attributes reference the copy.
+	
+	xmlAttrPtr attr = node->properties;
+	while (attr)
+	{
+		xmlNsPtr attrNs = attr->ns;
+		while (attrNs)
+		{
+			BOOL nsResidesWithinNewRoot = NO;
+			
+			xmlNodePtr treeNode = node;
+			while (treeNode)
+			{
+				xmlNsPtr treeNs = treeNode->nsDef;
+				while (treeNs)
+				{
+					if (treeNs == attrNs)
+					{
+						nsResidesWithinNewRoot = YES;
+						break;
+					}
+					
+					treeNs = treeNs->next;
+				}
+				
+				if (nsResidesWithinNewRoot || treeNode == rootNode)
+					treeNode = NULL;
+				else
+					treeNode = treeNode->parent;
+			}
+			
+			if (!nsResidesWithinNewRoot)
+			{
+				// Create a copy of the namespace, add to node's nsDef list, and then set as attribute's ns
+				xmlNsPtr attrNsCopy = xmlNewNs(NULL, attrNs->href, attrNs->prefix);
+				
+				attrNsCopy->next = node->nsDef;
+				node->nsDef = attrNsCopy;
+				
+				attr->ns = attrNsCopy;
+			}
+			
+			attrNs = attrNs->next;
+		}
+		
+		attr = attr->next;
+	}
+	
+	// Step 3 of 3
+	// 
+	// Copy namespaces into children
+	
+	xmlNodePtr childNode = node->children;
+	while (childNode)
+	{
+		[self recursiveFixDefaultNamespacesInNode:childNode withNewRoot:rootNode];
+		
+		childNode = childNode->next;
+	}
+}
+
+/**
+ * Detaches the given namespace from the given node.
+ * The namespace's surrounding next pointers are properly updated to remove the namespace from the node's nsDef list.
+ * Then the namespace's parent and next pointers are destroyed.
+**/
++ (void)detachNamespace:(xmlNsPtr)ns fromNode:(xmlNodePtr)node
+{
+	// If node, or any of node's attributes are referring to this namespace,
+	// then we need to nullify those references.
+	// 
+	// However, if any children are referring to this namespace,
+	// then we instruct those children to make copies.
+	
+	if (node->ns == ns)
+	{
+		node->ns = NULL;
+	}
+	
+	xmlAttrPtr attr = node->properties;
+	while (attr)
+	{
+		if (attr->ns == ns)
+		{
+			attr->ns = NULL;
+		}
+		attr = attr->next;
+	}
+	
+	xmlNodePtr child = node->children;
+	while (child)
+	{
+		[self recursiveMigrateNamespace:ns to:NULL node:child];
+		child = child->next;
+	}
+	
+	// Now detach namespace from the namespace list.
+	// 
+	// Namespace nodes have no previous pointer, so we have to search for the node
+	
+	xmlNsPtr previousNs = NULL;
+	xmlNsPtr currentNs = node->nsDef;
+	
+	while (currentNs != NULL)
+	{
+		if (currentNs == ns)
+		{
+			if (previousNs == NULL)
+				node->nsDef = currentNs->next;
+			else
+				previousNs->next = currentNs->next;
+			
+			break;
+		}
+		
+		previousNs = currentNs;
+		currentNs = currentNs->next;
+	}
+	
+	// Nullify pointers
+	ns->next = NULL;
+}
+
+/**
+ * Removes the given namespace from the given node.
+ * The namespace's surrounding next pointers are properly updated to remove the namespace from the nsDef list.
+ * Then the namespace is freed if it's no longer being referenced.
+ * Otherwise, it's nsParent and next pointers are destroyed.
+**/
++ (void)removeNamespace:(xmlNsPtr)ns fromNode:(xmlNodePtr)node
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	MarkZombies(ns);
+#endif
+	
+	[self detachNamespace:ns fromNode:node];
+	
+	xmlFreeNs(ns);
+}
+
+/**
+ * Removes all namespaces from the given node.
+ * All namespaces are either freed, or their nsParent and next pointers are properly destroyed.
+ * Upon return, the given node's nsDef pointer is NULL.
+**/
++ (void)removeAllNamespacesFromNode:(xmlNodePtr)node
+{
+	xmlNsPtr ns = node->nsDef;
+	while (ns != NULL)
+	{
+		xmlNsPtr nextNs = ns->next;
+		
+	#if DDXML_DEBUG_MEMORY_ISSUES
+		MarkZombies(ns);
+	#endif
+		
+		xmlFreeNs(ns);
+		ns = nextNs;
+	}
+	
+	node->nsDef = NULL;
+	node->ns = NULL;
+}
+
+/**
+ * Detaches the given attribute from its parent node.
+ * The attribute's surrounding prev/next pointers are properly updated to remove the attribute from the attr list.
+ * Then, if the clean flag is YES, the attribute's parent, prev, next and doc pointers are set to null.
+**/
++ (void)detachAttribute:(xmlAttrPtr)attr andClean:(BOOL)clean
+{
+	xmlNodePtr parent = attr->parent;
+	
+	// Update the surrounding prev/next pointers
+	if (attr->prev == NULL)
+	{
+		if (attr->next == NULL)
+		{
+			parent->properties = NULL;
+		}
+		else
+		{
+			parent->properties = attr->next;
+			attr->next->prev = NULL;
+		}
+	}
+	else
+	{
+		if (attr->next == NULL)
+		{
+			attr->prev->next = NULL;
+		}
+		else
+		{
+			attr->prev->next = attr->next;
+			attr->next->prev = attr->prev;
+		}
+	}
+	
+	if (clean)
+	{
+		// Nullify pointers
+		attr->parent = NULL;
+		attr->prev   = NULL;
+		attr->next   = NULL;
+		attr->ns     = NULL;
+		if (attr->doc != NULL) [self stripDocPointersFromAttr:attr];
+	}
+}
+
+/**
+ * Detaches the given attribute from its parent node.
+ * The attribute's surrounding prev/next pointers are properly updated to remove the attribute from the attr list.
+ * Then the attribute's parent, prev, next and doc pointers are destroyed.
+**/
++ (void)detachAttribute:(xmlAttrPtr)attr
+{
+	[self detachAttribute:attr andClean:YES];
+}
+
+/**
+ * Removes and free's the given attribute from its parent node.
+ * The attribute's surrounding prev/next pointers are properly updated to remove the attribute from the attr list.
+**/
++ (void)removeAttribute:(xmlAttrPtr)attr
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	MarkZombies(attr);
+#endif
+	
+	// We perform a bit of optimization here.
+	// No need to bother nullifying pointers since we're about to free the node anyway.
+	[self detachAttribute:attr andClean:NO];
+	
+	xmlFreeProp(attr);
+}
+
+/**
+ * Removes and frees all attributes from the given node.
+ * Upon return, the given node's properties pointer is NULL.
+**/
++ (void)removeAllAttributesFromNode:(xmlNodePtr)node
+{
+	xmlAttrPtr attr = node->properties;
+	while (attr != NULL)
+	{
+		xmlAttrPtr nextAttr = attr->next;
+		
+	#if DDXML_DEBUG_MEMORY_ISSUES
+		MarkZombies(attr);
+	#endif
+		
+		xmlFreeProp(attr);
+		attr = nextAttr;
+	}
+	
+	node->properties = NULL;
+}
+
+/**
+ * Detaches the given child from its parent.
+ * The child's surrounding prev/next pointers are properly updated to remove the child from the node's children list.
+ * Then, if the clean flag is YES, the child's parent, prev, next and doc pointers are set to null.
+**/
++ (void)detachChild:(xmlNodePtr)child andClean:(BOOL)clean andFixNamespaces:(BOOL)fixNamespaces
+{
+	xmlNodePtr parent = child->parent;
+	
+	// Update the surrounding prev/next pointers
+	if (child->prev == NULL)
+	{
+		if (child->next == NULL)
+		{
+			parent->children = NULL;
+			parent->last = NULL;
+		}
+		else
+		{
+			parent->children = child->next;
+			child->next->prev = NULL;
+		}
+	}
+	else
+	{
+		if (child->next == NULL)
+		{
+			parent->last = child->prev;
+			child->prev->next = NULL;
+		}
+		else
+		{
+			child->prev->next = child->next;
+			child->next->prev = child->prev;
+		}
+	}
+	
+	if (fixNamespaces)
+	{
+		// Fix namesapces (namespace references that now point outside tree)
+		// Note: This must be done before we nullify pointers so we can search up the tree.
+		[self recursiveFixDefaultNamespacesInNode:child withNewRoot:child];
+	}
+	if (clean)
+	{
+		// Nullify pointers
+		child->parent = NULL;
+		child->prev   = NULL;
+		child->next   = NULL;
+		if (child->doc != NULL) [self recursiveStripDocPointersFromNode:child];
+	}
+}
+
+/**
+ * Detaches the given child from its parent.
+ * The child's surrounding prev/next pointers are properly updated to remove the child from the node's children list.
+ * Then the child's parent, prev, next and doc pointers are set to null.
+**/
++ (void)detachChild:(xmlNodePtr)child
+{
+	[self detachChild:child andClean:YES andFixNamespaces:YES];
+}
+
+/**
+ * Removes the given child from its parent node.
+ * The child's surrounding prev/next pointers are properly updated to remove the child from the node's children list.
+ * Then the child is recursively freed if it's no longer being referenced.
+ * Otherwise, it's parent, prev, next and doc pointers are destroyed.
+ * 
+ * During the recursive free, subnodes still being referenced are properly handled.
+**/
++ (void)removeChild:(xmlNodePtr)child
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	RecursiveMarkZombiesFromNode(child);
+#endif
+	
+	// We perform a bit of optimization here.
+	// No need to bother nullifying pointers since we're about to free the node anyway.
+	[self detachChild:child andClean:NO andFixNamespaces:NO];
+	
+	xmlFreeNode(child);
+}
+
+/**
+ * Removes all children from the given node.
+ * All children are either recursively freed, or their parent, prev, next and doc pointers are properly destroyed.
+ * Upon return, the given node's children pointer is NULL.
+ * 
+ * During the recursive free, subnodes still being referenced are properly handled.
+**/
++ (void)removeAllChildrenFromNode:(xmlNodePtr)node
+{
+	xmlNodePtr child = node->children;
+	while (child != NULL)
+	{
+		xmlNodePtr nextChild = child->next;
+		
+	#if DDXML_DEBUG_MEMORY_ISSUES
+		RecursiveMarkZombiesFromNode(child);
+	#endif
+		
+		xmlFreeNode(child);
+		child = nextChild;
+	}
+	
+	node->children = NULL;
+	node->last = NULL;
+}
+
+/**
+ * Returns the last error encountered by libxml.
+ * Errors are caught in the MyErrorHandler method within DDXMLDocument.
+**/
++ (NSError *)lastError
+{
+	NSValue *lastErrorValue = [[[NSThread currentThread] threadDictionary] objectForKey:DDLastErrorKey];
+	if(lastErrorValue)
+	{
+		xmlError lastError;
+		[lastErrorValue getValue:&lastError];
+		
+		int errCode = lastError.code;
+		NSString *errMsg = [[NSString stringWithFormat:@"%s", lastError.message] stringByTrimming];
+		
+		NSDictionary *info = [NSDictionary dictionaryWithObject:errMsg forKey:NSLocalizedDescriptionKey];
+			
+		return [NSError errorWithDomain:@"DDXMLErrorDomain" code:errCode userInfo:info];
+	}
+	else
+	{
+		return nil;
+	}
+}
+
+static void MyErrorHandler(void * userData, xmlErrorPtr error)
+{
+	// This method is called by libxml when an error occurs.
+	// We register for this error in the initialize method below.
+	
+	// Extract error message and store in the current thread's dictionary.
+	// This ensure's thread safey, and easy access for all other DDXML classes.
+	
+	if (error == NULL)
+	{
+		[[[NSThread currentThread] threadDictionary] removeObjectForKey:DDLastErrorKey];
+	}
+	else
+	{
+		NSValue *errorValue = [NSValue valueWithBytes:error objCType:@encode(xmlError)];
+		
+		[[[NSThread currentThread] threadDictionary] setObject:errorValue forKey:DDLastErrorKey];
+	}
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Zombie Tracking
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if DDXML_DEBUG_MEMORY_ISSUES
+
+// What is zombie tracking and how does it work?
+// 
+// It is all explained in full detail here:
+// https://github.com/robbiehanson/KissXML/wiki/MemoryManagementThreadSafety
+// 
+// But here's a quick overview in case you're on a plane right now
+// (and the plane doesn't have internet access, or charges some ridiculous amount and you don't want to pay for it.)
+// 
+// <starbucks>
+//   <latte/>
+//   <cappuchino/>
+// </starbucks>
+// 
+// You have a reference to the latte node, and you release/dealloc the starbucks node. Uh oh!
+// The latte node is now a zombie, since the xmlNode it was pointing to (wrapping) is now gone.
+// If you attempt to read info from the latte node, you might get a crash.
+// Or you might get junk results.
+// And if you attempt to write info to the latte node, you might just wind up with some ugly heap corruption.
+// And if this happens, well.. it's a huge P.I.T.A to track down.
+// 
+// But I've been there before. And I feel your pain. That's where this debug option comes in.
+// 
+// The debugging option keeps a dictionary where the keys are the xml pointers (xmlNodePtr, xmlAttrPtr, etc),
+// and the values are mutable arrays. Any wrapper objects (DDXMLElement, DDXMLNode, etc) get added to the
+// mutable array for which the wrapper is pointing.
+// 
+// If the xml (xmlNodePtr, xmlAttrPtr, etc) is to be freed, it first removes its key from the dictionary,
+// and in doing so destroys any associated mutable array.
+// 
+// So a zombie check ensures that the xml structure the wrapper is referring to hasn't been freed.
+// If it has an exception is thrown to help track down the problem.
+// 
+// In other words, if you try to read info from the latte node, or attempt to alter the latte node
+// (after you release/dealloc starbucks), you'll immediately get a helpful exception.
+// (Goodbye junk values and heap corruption.)
+// 
+// This is helpful in debugging, as it is sometimes easy to forget about the memory rules of the xml heirarchy.
+// Or simply due to combinations of passing subelements around and using asynchronous operations.
+
+
+static void RecursiveMarkZombiesFromNode(xmlNodePtr node)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	// Mark attributes
+	xmlAttrPtr attr = node->properties;
+	while (attr != NULL)
+	{
+		MarkZombies(attr);
+		attr = attr->next;
+	}
+	
+	// Mark namespaces
+	xmlNsPtr ns = node->nsDef;
+	while (ns != NULL)
+	{
+		MarkZombies(ns);
+		ns = ns->next;
+	}
+	if (node->ns)
+	{
+		MarkZombies(node->ns);
+	}
+	
+	// Recursively mark children
+	xmlNodePtr child = node->children;
+	while (child != NULL)
+	{
+		RecursiveMarkZombiesFromNode(child);
+		child = child->next;
+	}
+	
+	MarkZombies(node);
+}
+
+static void RecursiveMarkZombiesFromDoc(xmlDocPtr doc)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	xmlNodePtr child = doc->children;
+	while (child != NULL)
+	{
+		RecursiveMarkZombiesFromNode(child);
+		
+		child = child->next;
+	}
+	
+	MarkZombies(doc);
+}
+
+static void MarkZombies(void *xmlPtr)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	dispatch_async(zombieQueue, ^{
+		
+	//	NSLog(@"MarkZombies: %p", xmlPtr);
+		
+		CFDictionaryRemoveValue(zombieTracker, xmlPtr);
+	});
+}
+
+static void MarkBirth(void *xmlPtr, DDXMLNode *wrapper)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	const void *value = (void *)wrapper;
+	
+	dispatch_async(zombieQueue, ^{
+		
+	//	NSLog(@"MarkBirth: %p, %p", xmlPtr, value);
+		
+		CFMutableArrayRef values = (CFMutableArrayRef)CFDictionaryGetValue(zombieTracker, xmlPtr);
+		if (values == NULL)
+		{
+			values = CFArrayCreateMutable(NULL, /*MaxCapacity:*/0, /*ValueCallbacks:*/NULL);
+			CFArrayAppendValue(values, value);
+			
+			CFDictionarySetValue(zombieTracker, xmlPtr, values);
+			CFRelease(values);
+		}
+		else
+		{
+			CFArrayAppendValue(values, value);
+		}
+	});
+}
+
+static void MarkDeath(void *xmlPtr, DDXMLNode *wrapper)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	const void *value = (void *)wrapper;
+	
+	dispatch_async(zombieQueue, ^{
+		
+	//	NSLog(@"MarkDeath: %p, %p", xmlPtr, value);
+		
+		CFMutableArrayRef values = (CFMutableArrayRef)CFDictionaryGetValue(zombieTracker, xmlPtr);
+		if (values)
+		{
+			CFRange range = CFRangeMake(0, CFArrayGetCount(values));
+			CFIndex index = CFArrayGetFirstIndexOfValue(values, range, value);
+			if (index >= 0)
+			{
+				CFArrayRemoveValueAtIndex(values, index);
+			}
+		}
+	});
+}
+
+BOOL DDXMLIsZombie(void *xmlPtr, DDXMLNode *wrapper)
+{
+	// This method only exists if DDXML_DEBUG_MEMORY_ISSUES is enabled.
+	
+	__block BOOL result;
+	
+	const void *value = (void *)wrapper;
+	
+	dispatch_sync(zombieQueue, ^{
+		
+		CFMutableArrayRef values = (CFMutableArrayRef)CFDictionaryGetValue(zombieTracker, xmlPtr);
+		if (values)
+		{
+			CFRange range = CFRangeMake(0, CFArrayGetCount(values));
+			CFIndex index = CFArrayGetFirstIndexOfValue(values, range, value);
+			
+			result = (index < 0);
+		}
+		else
+		{
+			result = YES;
+		}
+	});
+	
+	return result;
+}
+
+#endif
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDXMLNamespaceNode
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
++ (id)nodeWithNsPrimitive:(xmlNsPtr)ns nsParent:(xmlNodePtr)parent owner:(DDXMLNode *)owner
+{
+	return [[DDXMLNamespaceNode alloc] initWithNsPrimitive:ns nsParent:parent owner:owner];
+}
+
+/**
+ * Returns a DDXML wrapper object for the given primitive node.
+ * The given node MUST be non-NULL and of the proper type.
+**/
+- (id)initWithNsPrimitive:(xmlNsPtr)ns nsParent:(xmlNodePtr)parent owner:(DDXMLNode *)inOwner
+{
+	if ((self = [super initWithPrimitive:(xmlKindPtr)ns owner:inOwner]))
+	{
+		nsParentPtr = parent;
+	}
+	return self;
+}
+
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use nodeWithNsPrimitive:nsParent:owner:");
+	
+	return nil;
+}
+
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)inOwner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use initWithNsPrimitive:nsParent:owner:");
+	
+	return nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setName:(NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlNsPtr ns = (xmlNsPtr)genericPtr;
+	
+	xmlFree((xmlChar *)ns->prefix);
+	ns->prefix = xmlStrdup([name xmlChar]);
+}
+
+- (NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlNsPtr ns = (xmlNsPtr)genericPtr;
+	if (ns->prefix != NULL)
+		return [NSString stringWithUTF8String:((const char*)ns->prefix)];
+	else
+		return @"";
+}
+
+- (void)setStringValue:(NSString *)string
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlNsPtr ns = (xmlNsPtr)genericPtr;
+	
+	xmlFree((xmlChar *)ns->href);
+	ns->href = xmlEncodeSpecialChars(NULL, [string xmlChar]);
+}
+
+- (NSString *)stringValue
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return [NSString stringWithUTF8String:((const char *)((xmlNsPtr)genericPtr)->href)];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Tree Navigation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSUInteger)index
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlNsPtr ns = (xmlNsPtr)genericPtr;
+	
+	// The xmlNsPtr has no prev pointer, so we have to search from the parent
+	
+	if (nsParentPtr == NULL)
+	{
+		return 0;
+	}
+	
+	NSUInteger result = 0;
+	
+	xmlNsPtr currentNs = nsParentPtr->nsDef;
+	while (currentNs != NULL)
+	{
+		if (currentNs == ns)
+		{
+			return result;
+		}
+		result++;
+		currentNs = currentNs->next;
+	}
+	
+	return 0; // Yes 0, not result, because ns wasn't found in list
+}
+
+- (NSUInteger)level
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	NSUInteger result = 0;
+	
+	xmlNodePtr currentNode = nsParentPtr;
+	while (currentNode != NULL)
+	{
+		result++;
+		currentNode = currentNode->parent;
+	}
+	
+	return result;
+}
+
+- (DDXMLDocument *)rootDocument
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlStdPtr node = (xmlStdPtr)nsParentPtr;
+	
+	if (node == NULL || node->doc == NULL)
+		return nil;
+	else
+		return [DDXMLDocument nodeWithDocPrimitive:node->doc owner:self];
+}
+
+- (DDXMLNode *)parent
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (nsParentPtr == NULL)
+		return nil;
+	else
+		return [DDXMLNode nodeWithUnknownPrimitive:(xmlKindPtr)nsParentPtr owner:self];
+}
+
+- (NSUInteger)childCount
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return 0;
+}
+
+- (NSArray *)children
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)childAtIndex:(NSUInteger)index
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)previousSibling
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)nextSibling
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)previousNode
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)nextNode
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (void)detach
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	if (nsParentPtr != NULL)
+	{
+		[DDXMLNode detachNamespace:(xmlNsPtr)genericPtr fromNode:nsParentPtr];
+		
+		owner = nil;
+		nsParentPtr = NULL;
+	}
+}
+
+- (xmlStdPtr)_XPathPreProcess:(NSMutableString *)result
+{
+	// This is a private/internal method
+	
+	xmlStdPtr parent = (xmlStdPtr)nsParentPtr;
+		
+	if (parent == NULL)
+		[result appendFormat:@"namespace::%@", [self name]];
+	else
+		[result appendFormat:@"/namespace::%@", [self name]];
+	
+	return parent;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark QNames
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)localName
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// Strangely enough, the localName of a namespace is the prefix, and the prefix is an empty string
+	xmlNsPtr ns = (xmlNsPtr)genericPtr;
+	if (ns->prefix != NULL)
+		return [NSString stringWithUTF8String:((const char *)ns->prefix)];
+	else
+		return @"";
+}
+
+- (NSString *)prefix
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// Strangely enough, the localName of a namespace is the prefix, and the prefix is an empty string
+	return @"";
+}
+
+- (void)setURI:(NSString *)URI
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// Do nothing
+}
+
+- (NSString *)URI
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Private API
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)_hasParent
+{
+	// This is a private/internal method
+	
+	return (nsParentPtr != NULL);
+}
+
+- (xmlNodePtr)_nsParentPtr
+{
+	// This is a private/internal method
+	
+	return nsParentPtr;
+}
+
+- (void)_setNsParentPtr:(xmlNodePtr)parentPtr
+{
+	// This is a private/internal method
+	
+	nsParentPtr = parentPtr;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDXMLAttributeNode
+
++ (id)nodeWithAttrPrimitive:(xmlAttrPtr)attr owner:(DDXMLNode *)owner
+{
+	return [[DDXMLAttributeNode alloc] initWithAttrPrimitive:attr owner:owner];
+}
+
+- (id)initWithAttrPrimitive:(xmlAttrPtr)attr owner:(DDXMLNode *)inOwner
+{
+	self = [super initWithPrimitive:(xmlKindPtr)attr owner:inOwner];
+	return self;
+}
+
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use nodeWithAttrPrimitive:nsParent:owner:");
+	
+	return nil;
+}
+
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)inOwner
+{
+	// Promote initializers which use proper parameter types to enable compiler to catch more mistakes.
+	NSAssert(NO, @"Use initWithAttrPrimitive:nsParent:owner:");
+	
+	return nil;
+}
+
+- (void)dealloc
+{
+	if (attrNsPtr) xmlFreeNs(attrNsPtr);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Properties
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)name
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	
+	const xmlChar *xmlName = attr->name;
+	if (xmlName == NULL)
+	{
+		return nil;
+	}
+	
+	NSString *name = [NSString stringWithUTF8String:(const char *)xmlName];
+	
+	NSRange range = [name rangeOfString:@":"];
+	if (range.length == 0)
+	{
+		if (attr->ns && attr->ns->prefix)
+		{
+			return [NSString stringWithFormat:@"%s:%@", attr->ns->prefix, name];
+		}
+	}
+	
+	return name;
+}
+
+- (void)setStringValue:(NSString *)string
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	
+	if (attr->children != NULL)
+	{
+		xmlChar *escapedString = xmlEncodeSpecialChars(attr->doc, [string xmlChar]);
+		xmlNodeSetContent((xmlNodePtr)attr, escapedString);
+		xmlFree(escapedString);
+	}
+	else
+	{
+		xmlNodePtr text = xmlNewText([string xmlChar]);
+		attr->children = text;
+	}
+}
+
+- (NSString *)stringValue
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	
+	if (attr->children != NULL)
+	{
+		return [NSString stringWithUTF8String:(const char *)attr->children->content];
+	}
+	
+	return nil;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Tree Navigation
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (DDXMLNode *)previousNode
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (DDXMLNode *)nextNode
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	return nil;
+}
+
+- (void)detach
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	
+	if (attr->parent != NULL)
+	{
+		// If this attribute is associated with a namespace,
+		// then we need to copy the namespace in order to maintain the association.
+		// 
+		// Remember: attr->ns cannot be an owner of an allocated namespaces,
+		//           so we need to use DDXMLAttributeNode's attrNsPtr.
+		
+		if (attr->ns && (attr->ns != attrNsPtr))
+		{
+			attrNsPtr = xmlNewNs(NULL, attr->ns->href, attr->ns->prefix);
+		}
+		
+		[[self class] detachAttribute:attr];
+		
+		if (attrNsPtr)
+		{
+			attr->ns = attrNsPtr;
+		}
+		
+		owner = nil;
+	}
+}
+
+- (xmlStdPtr)_XPathPreProcess:(NSMutableString *)result
+{
+	// This is a private/internal method
+	
+	// Note: DDXMLNamespaceNode overrides this method
+	// Note: DDXMLAttributeNode overrides this method
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	xmlStdPtr parent = (xmlStdPtr)attr->parent;
+	
+	if (parent == NULL)
+		[result appendFormat:@"@%@", [self name]];
+	else
+		[result appendFormat:@"/@%@", [self name]];
+	
+	return parent;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark QNames
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (void)setURI:(NSString *)URI
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	// An attribute can only have a single namespace attached to it.
+	// In addition, this namespace can only be accessed via the URI method.
+	// There is no way, within the API, to get a DDXMLNode wrapper for the attribute's namespace.
+	
+	// Remember: attr->ns is simply a pointer to a namespace owned by somebody else.
+	//           Unless that points to our attrNsPtr (defined in DDXMLAttributeNode) we cannot free it.
+	
+	if (attrNsPtr != NULL)
+	{
+		xmlFreeNs(attrNsPtr);
+		attrNsPtr = NULL;
+	}
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	attr->ns = NULL;
+	
+	if (URI)
+	{
+		// If there's a namespace defined further up the tree with this URI,
+		// then we want attr->ns to point to it.
+		
+		const xmlChar *uri = [URI xmlChar];
+		
+		xmlNodePtr parent = attr->parent;
+		while (parent)
+		{
+			xmlNsPtr ns = parent->nsDef;
+			while (ns)
+			{
+				if (xmlStrEqual(ns->href, uri))
+				{
+					attr->ns = ns;
+					return;
+				}
+				
+				ns = ns->next;
+			}
+			
+			parent = parent->parent;
+		}
+		
+		// There is no namespace further up the tree with this URI.
+		// We'll have to create it ourself...
+		// 
+		// Remember: The attr->ns pointer is not allowed to have direct ownership.
+		
+		attrNsPtr = xmlNewNs(NULL, uri, NULL);
+		attr->ns = attrNsPtr;
+	}
+}
+
+- (NSString *)URI
+{
+#if DDXML_DEBUG_MEMORY_ISSUES
+	DDXMLNotZombieAssert();
+#endif
+	
+	xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+	if (attr->ns != NULL)
+	{
+		if (attr->ns->href != NULL)
+		{
+			return [NSString stringWithUTF8String:((const char *)attr->ns->href)];
+		}
+	}
+	
+	// The attribute doesn't explicitly have a namespace.
+	// But if the attribute is something like animal:duck='quack', then we should look for the URI for 'animal'.
+	// 
+	// Note: [self prefix] returns an empty string if there is no prefix. (Not nil)
+	
+	NSString *prefix = [self prefix];
+	if ([prefix length] > 0)
+	{
+		xmlNsPtr ns = xmlSearchNs(attr->doc, attr->parent, [prefix xmlChar]);
+		if (ns && ns->href)
+		{
+			return [NSString stringWithUTF8String:((const char *)ns->href)];
+		}
+	}
+	
+	return nil;
+}
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation DDXMLInvalidNode
+
+// #pragma mark Properties
+
+- (DDXMLNodeKind)kind {
+	return DDXMLInvalidKind;
+}
+
+- (void)setName:(NSString *)name { }
+- (NSString *)name {
+	return nil;
+}
+
+- (void)setObjectValue:(id)value { }
+- (id)objectValue {
+	return nil;
+}
+
+- (void)setStringValue:(NSString *)string { }
+- (void)setStringValue:(NSString *)string resolvingEntities:(BOOL)resolve { }
+- (NSString *)stringValue {
+	return nil;
+}
+
+// #pragma mark Tree Navigation
+
+- (NSUInteger)index {
+	return 0;
+}
+
+- (NSUInteger)level {
+	return 0;
+}
+
+- (DDXMLDocument *)rootDocument {
+	return nil;
+}
+
+- (DDXMLNode *)parent {
+	return nil;
+}
+- (NSUInteger)childCount {
+	return 0;
+}
+- (NSArray *)children {
+	return [NSArray array];
+}
+- (DDXMLNode *)childAtIndex:(NSUInteger)index {
+	return nil;
+}
+
+- (DDXMLNode *)previousSibling {
+	return nil;
+}
+- (DDXMLNode *)nextSibling {
+	return nil;
+}
+
+- (DDXMLNode *)previousNode {
+	return nil;
+}
+- (DDXMLNode *)nextNode {
+	return nil;
+}
+
+- (void)detach { }
+
+- (NSString *)XPath {
+	return @"";
+}
+
+// #pragma mark QNames
+
+- (NSString *)localName {
+	return nil;
+}
+- (NSString *)prefix {
+	return @"";
+}
+
+- (void)setURI:(NSString *)URI { }
+- (NSString *)URI {
+	return nil;
+}
+
+// #pragma mark Output
+
+- (NSString *)description {
+	return @"";
+}
+- (NSString *)XMLString {
+	return @"";
+}
+- (NSString *)XMLStringWithOptions:(NSUInteger)options {
+	return @"";
+}
+- (NSString *)canonicalXMLStringPreservingComments:(BOOL)comments {
+	return nil;
+}
+
+// #pragma mark XPath/XQuery
+
+- (NSArray *)nodesForXPath:(NSString *)xpath error:(NSError **)error {
+	return [NSArray array];
+}
+
+- (NSArray *)objectsForXQuery:(NSString *)xquery constants:(NSDictionary *)constants error:(NSError **)error {
+	return [NSArray array];
+}
+- (NSArray *)objectsForXQuery:(NSString *)xquery error:(NSError **)error {
+	return [NSArray array];
+}
+
+@end
+
diff --git a/Vendor/KissXML/Private/DDXMLPrivate.h b/Vendor/KissXML/Private/DDXMLPrivate.h
new file mode 100644
index 0000000..c374d72
--- /dev/null
+++ b/Vendor/KissXML/Private/DDXMLPrivate.h
@@ -0,0 +1,229 @@
+#import "DDXML.h"
+
+
+// We can't rely solely on NSAssert, because many developers disable them for release builds.
+// Our API contract requires us to keep these assertions intact.
+#define DDXMLAssert(condition, desc, ...)                                                                 \
+  do{                                                                                                     \
+    if(!(condition)) {                                                                                    \
+      [[NSAssertionHandler currentHandler] handleFailureInMethod:_cmd                                     \
+                                                          object:self                                     \
+                                                            file:[NSString stringWithUTF8String:__FILE__] \
+                                                      lineNumber:__LINE__                                 \
+                                                     description:(desc), ##__VA_ARGS__];                  \
+    }                                                                                                     \
+  }while(NO)
+
+
+// Create assertion to ensure xml node is not a zombie.
+#if DDXML_DEBUG_MEMORY_ISSUES
+#define DDXMLNotZombieAssert()                                                                            \
+  do{                                                                                                     \
+    if(DDXMLIsZombie(genericPtr, self)) {                                                                      \
+      NSString *desc = @"XML node is a zombie - It's parent structure has been freed!";                   \
+      [[NSAssertionHandler currentHandler] handleFailureInMethod:_cmd                                     \
+                                                          object:self                                     \
+                                                            file:[NSString stringWithUTF8String:__FILE__] \
+                                                      lineNumber:__LINE__                                 \
+                                                     description:desc];                                   \
+    }                                                                                                     \
+  }while(NO)
+#endif
+
+#define DDLastErrorKey @"DDXML:LastError"
+
+
+
+/**
+ * DDXMLNode can represent several underlying types, such as xmlNodePtr, xmlDocPtr, xmlAttrPtr, xmlNsPtr, etc.
+ * All of these are pointers to structures, and all of those structures start with a pointer, and a type.
+ * The xmlKind struct is used as a generic structure, and a stepping stone.
+ * We use it to check the type of a structure, and then perform the appropriate cast.
+ * 
+ * For example:
+ * if(genericPtr->type == XML_ATTRIBUTE_NODE)
+ * {
+ *     xmlAttrPtr attr = (xmlAttrPtr)genericPtr;
+ *     // Do something with attr
+ * }
+**/
+struct _xmlKind {
+	void * ignore;
+	xmlElementType type;
+};
+typedef struct _xmlKind *xmlKindPtr;
+
+/**
+ * Most xml types all start with this standard structure. In fact, all do except the xmlNsPtr.
+ * We will occasionally take advantage of this to simplify code when the code wouldn't vary from type to type.
+ * Obviously, you cannnot cast a xmlNsPtr to a xmlStdPtr.
+**/
+struct _xmlStd {
+	void * _private;
+	xmlElementType type;
+	const xmlChar *name;
+	struct _xmlNode *children;
+	struct _xmlNode *last;
+	struct _xmlNode *parent;
+	struct _xmlStd *next;
+	struct _xmlStd *prev;
+	struct _xmlDoc *doc;
+};
+typedef struct _xmlStd *xmlStdPtr;
+
+
+NS_INLINE BOOL IsXmlAttrPtr(void *kindPtr)
+{
+	return ((xmlKindPtr)kindPtr)->type == XML_ATTRIBUTE_NODE;
+}
+
+NS_INLINE BOOL IsXmlNodePtr(void *kindPtr)
+{
+	switch (((xmlKindPtr)kindPtr)->type)
+	{
+		case XML_ELEMENT_NODE       :
+		case XML_PI_NODE            : 
+		case XML_COMMENT_NODE       : 
+		case XML_TEXT_NODE          : 
+		case XML_CDATA_SECTION_NODE : return YES;
+		default                     : return NO;
+	}
+}
+
+NS_INLINE BOOL IsXmlDocPtr(void *kindPtr)
+{
+	return ((xmlKindPtr)kindPtr)->type == XML_DOCUMENT_NODE;
+}
+
+NS_INLINE BOOL IsXmlDtdPtr(void *kindPtr)
+{
+	return ((xmlKindPtr)kindPtr)->type == XML_DTD_NODE;
+}
+
+NS_INLINE BOOL IsXmlNsPtr(void *kindPtr)
+{
+	return ((xmlKindPtr)kindPtr)->type == XML_NAMESPACE_DECL;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLNamespaceNode : DDXMLNode
+{
+	// The xmlNsPtr type doesn't store a reference to it's parent.
+	// This is here to fix the problem, and make this class more compatible with the NSXML classes.
+	xmlNodePtr nsParentPtr;
+}
+
++ (id)nodeWithNsPrimitive:(xmlNsPtr)ns nsParent:(xmlNodePtr)parent owner:(DDXMLNode *)owner;
+- (id)initWithNsPrimitive:(xmlNsPtr)ns nsParent:(xmlNodePtr)parent owner:(DDXMLNode *)owner;
+
+- (xmlNodePtr)_nsParentPtr;
+- (void)_setNsParentPtr:(xmlNodePtr)parentPtr;
+
+// Overrides several methods in DDXMLNode
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLAttributeNode : DDXMLNode
+{
+	// The xmlAttrPtr type doesn't allow for ownership of a namespace.
+	// 
+	// In other types, such as xmlNodePtr:
+	// - nsDef stores namespaces that are owned by the node (have been alloced by the node).
+	// - ns is simply a pointer to the default namespace of the node, which may or may not reside in its own nsDef list.
+	// 
+	// The xmlAttrPtr only has a ns, it doesn't have a nsDef list.
+	// Which completely makes sense really, since namespaces have to be defined elsewhere.
+	// 
+	// This is here to maintain compatibility with the NSXML classes,
+	// where one can assign a namespace to an attribute independently.
+	xmlNsPtr attrNsPtr;
+}
+
++ (id)nodeWithAttrPrimitive:(xmlAttrPtr)attr owner:(DDXMLNode *)owner;
+- (id)initWithAttrPrimitive:(xmlAttrPtr)attr owner:(DDXMLNode *)owner;
+
+// Overrides several methods in DDXMLNode
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLInvalidNode : DDXMLNode
+{
+}
+
+// Overrides several methods in DDXMLNode
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLNode (PrivateAPI)
+
++ (id)nodeWithUnknownPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner;
+
++ (id)nodeWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner;
+- (id)initWithPrimitive:(xmlKindPtr)kindPtr owner:(DDXMLNode *)owner;
+
+- (BOOL)_hasParent;
+
++ (void)getHasPrefix:(BOOL *)hasPrefixPtr localName:(NSString **)localNamePtr forName:(NSString *)name;
++ (void)getPrefix:(NSString **)prefixPtr localName:(NSString **)localNamePtr forName:(NSString *)name;
+
++ (void)recursiveStripDocPointersFromNode:(xmlNodePtr)node;
+
++ (void)detachNamespace:(xmlNsPtr)ns fromNode:(xmlNodePtr)node;
++ (void)removeNamespace:(xmlNsPtr)ns fromNode:(xmlNodePtr)node;
++ (void)removeAllNamespacesFromNode:(xmlNodePtr)node;
+
++ (void)detachAttribute:(xmlAttrPtr)attr andClean:(BOOL)clean;
++ (void)detachAttribute:(xmlAttrPtr)attr;
++ (void)removeAttribute:(xmlAttrPtr)attr;
++ (void)removeAllAttributesFromNode:(xmlNodePtr)node;
+
++ (void)detachChild:(xmlNodePtr)child andClean:(BOOL)clean andFixNamespaces:(BOOL)fixNamespaces;
++ (void)detachChild:(xmlNodePtr)child;
++ (void)removeChild:(xmlNodePtr)child;
++ (void)removeAllChildrenFromNode:(xmlNodePtr)node;
+
+BOOL DDXMLIsZombie(void *xmlPtr, DDXMLNode *wrapper);
+
++ (NSError *)lastError;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLElement (PrivateAPI)
+
++ (id)nodeWithElementPrimitive:(xmlNodePtr)node owner:(DDXMLNode *)owner;
+- (id)initWithElementPrimitive:(xmlNodePtr)node owner:(DDXMLNode *)owner;
+
+- (DDXMLNode *)_recursiveResolveNamespaceForPrefix:(NSString *)prefix atNode:(xmlNodePtr)nodePtr;
+- (NSString *)_recursiveResolvePrefixForURI:(NSString *)uri atNode:(xmlNodePtr)nodePtr;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark -
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface DDXMLDocument (PrivateAPI)
+
++ (id)nodeWithDocPrimitive:(xmlDocPtr)doc owner:(DDXMLNode *)owner;
+- (id)initWithDocPrimitive:(xmlDocPtr)doc owner:(DDXMLNode *)owner;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/.gitignore b/Vendor/facebook-ios-sdk/.gitignore
new file mode 100644
index 0000000..110f0cf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/.gitignore
@@ -0,0 +1,22 @@
+samples/Hackbook/build/
+samples/Hackbook/Hackbook.xcodeproj/*.pbxuser
+samples/Hackbook/Hackbook.xcodeproj/*.mode*
+samples/Hackbook/Hackbook.xcodeproj/xcuserdata*
+samples/Hackbook/Hackbook.xcodeproj/project.xcworkspace
+src/facebook-ios-sdk.xcodeproj/*.pbxuser
+src/facebook-ios-sdk.xcodeproj/*.mode*
+src/build/
+build/
+lib/
+test/UnitTest/UnitTest.xcodeproj/*.pbxuser
+test/UnitTest/UnitTest.xcodeproj/*.mode*
+test/UnitTest/build/
+*~
+*#
+.DS_Store
+project.xcworkspace
+xcuserdata
+.arc
+.arcconfig
+.internal/
+TestAppIdAndSecret.xcconfig
diff --git a/Vendor/facebook-ios-sdk/.gitmodules b/Vendor/facebook-ios-sdk/.gitmodules
new file mode 100644
index 0000000..e04be38
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "vendor/OHHTTPStubs"]
+	path = vendor/OHHTTPStubs
+	url = git://github.com/AliSoftware/OHHTTPStubs.git
+[submodule "vendor/OCMock"]
+	path = vendor/OCMock
+	url = git://github.com/erikdoe/ocmock
+[submodule "vendor/OCHamcrest"]
+	path = vendor/OCHamcrest
+	url = git://github.com/hamcrest/OCHamcrest
diff --git a/Vendor/facebook-ios-sdk/CONTRIBUTING.mdown b/Vendor/facebook-ios-sdk/CONTRIBUTING.mdown
new file mode 100644
index 0000000..ec5ea36
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/CONTRIBUTING.mdown
@@ -0,0 +1,15 @@
+Facebook welcomes contributions to our SDKs.
+
+All contributors must sign a CLA (contributor license agreement) here:
+
+  https://developers.facebook.com/opensource/cla
+
+To contribute on behalf of your employer, sign the company CLA
+To contribute on behalf of yourself, sign the individual CLA
+
+All contributions:
+
+1/ MUST be be licensed using the Apache License, Version 2.0  
+2/ authors MAY retain copyright by adding their copyright notice to the appropriate flies 
+
+More information on the Apache License can be found here: http://www.apache.org/foundation/license-faq.html
diff --git a/Vendor/facebook-ios-sdk/LICENSE b/Vendor/facebook-ios-sdk/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
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+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
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+
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+
+      "Work" shall mean the work of authorship, whether in Source or
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+      "Derivative Works" shall mean any work, whether in Source or Object
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+      of this License, Derivative Works shall not include works that remain
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+      "Contribution" shall mean any work of authorship, including
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+      to that Work or Derivative Works thereof, that is intentionally
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
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+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
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+
+   2. Grant of Copyright License. Subject to the terms and conditions of
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
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+
+      (b) You must cause any modified files to carry prominent notices
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+
+      (c) You must retain, in the Source form of any Derivative Works
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+
+      (d) If the Work includes a "NOTICE" text file as part of its
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+          include a readable copy of the attribution notices contained
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
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+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
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+      file or class name and description of purpose be included on the
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+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/Vendor/facebook-ios-sdk/README b/Vendor/facebook-ios-sdk/README
new file mode 100644
index 0000000..aa979e5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/README
@@ -0,0 +1,32 @@
+Facebook SDK for iOS
+====================
+
+This open-source library allows you to integrate Facebook into your iOS app.
+
+Learn more about about the provided samples, documentation, integrating the SDK into your app, accessing source code, and more at https://developers.facebook.com/ios
+
+NOTE: By default, the Facebook SDK for iOS is installed in ~/Documents/FacebookSDK
+
+TRY IT OUT
+
+1. Test your install; build and run the project at ~/Documents/FacebookSDK/Samples/HelloFacebookSample/HelloFacebookSample.xcodeproj
+
+2. Check-out the tutorials available online at: https://developers.facebook.com/docs/getting-started/getting-started-with-the-ios-sdk
+
+3. Start coding! Visit https://developers.facebook.com/ios for tutorials and reference documentation.
+
+LICENSE
+
+Except as otherwise noted, the Facebook SDK for iOS is licensed under the Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0.html).
+
+DEVELOPER TERMS
+
+- By enabling Facebook integrations, including through this SDK, you can share information with Facebook, including information about people’s use of your app. Facebook will use information received in accordance with our Data Use Policy [https://www.facebook.com/about/privacy/], including to provide you with insights about the effectiveness of your ads and the use of your app.  These integrations also enable us and our partners to serve ads on and off Facebook.
+
+- You may limit your sharing of information with us by updating the Insights control in the developer tool [https://developers.facebook.com/apps/<app_id>/advanced].
+
+- If you use a Facebook integration, including to share information with us, you agree and confirm that you have provided appropriate and sufficiently prominent notice to and obtained the appropriate consent from your users regarding such collection, use, and disclosure (including, at a minimum, through your privacy policy). You further agree that you will not share information with us about children under the age of 13.
+
+- You agree to comply with all applicable laws and regulations and also agree to our Terms <https://www.facebook.com/policies/>, including our Platform Policies <https://developers.facebook.com/policy/>.and Advertising Guidelines, as applicable <https://www.facebook.com/ad_guidelines.php>.
+
+By using the Facebook SDK for iOS you agree to these terms.
diff --git a/Vendor/facebook-ios-sdk/README.mdown b/Vendor/facebook-ios-sdk/README.mdown
new file mode 100644
index 0000000..aa979e5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/README.mdown
@@ -0,0 +1,32 @@
+Facebook SDK for iOS
+====================
+
+This open-source library allows you to integrate Facebook into your iOS app.
+
+Learn more about about the provided samples, documentation, integrating the SDK into your app, accessing source code, and more at https://developers.facebook.com/ios
+
+NOTE: By default, the Facebook SDK for iOS is installed in ~/Documents/FacebookSDK
+
+TRY IT OUT
+
+1. Test your install; build and run the project at ~/Documents/FacebookSDK/Samples/HelloFacebookSample/HelloFacebookSample.xcodeproj
+
+2. Check-out the tutorials available online at: https://developers.facebook.com/docs/getting-started/getting-started-with-the-ios-sdk
+
+3. Start coding! Visit https://developers.facebook.com/ios for tutorials and reference documentation.
+
+LICENSE
+
+Except as otherwise noted, the Facebook SDK for iOS is licensed under the Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0.html).
+
+DEVELOPER TERMS
+
+- By enabling Facebook integrations, including through this SDK, you can share information with Facebook, including information about people’s use of your app. Facebook will use information received in accordance with our Data Use Policy [https://www.facebook.com/about/privacy/], including to provide you with insights about the effectiveness of your ads and the use of your app.  These integrations also enable us and our partners to serve ads on and off Facebook.
+
+- You may limit your sharing of information with us by updating the Insights control in the developer tool [https://developers.facebook.com/apps/<app_id>/advanced].
+
+- If you use a Facebook integration, including to share information with us, you agree and confirm that you have provided appropriate and sufficiently prominent notice to and obtained the appropriate consent from your users regarding such collection, use, and disclosure (including, at a minimum, through your privacy policy). You further agree that you will not share information with us about children under the age of 13.
+
+- You agree to comply with all applicable laws and regulations and also agree to our Terms <https://www.facebook.com/policies/>, including our Platform Policies <https://developers.facebook.com/policy/>.and Advertising Guidelines, as applicable <https://www.facebook.com/ad_guidelines.php>.
+
+By using the Facebook SDK for iOS you agree to these terms.
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..34ea81b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample.xcodeproj/project.pbxproj
@@ -0,0 +1,343 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		85AFB4D7158F9C1D000AF7F5 /* Icon-72.png in Resources */ = {isa = PBXBuildFile; fileRef = 85AFB4D3158F9C1D000AF7F5 /* Icon-72.png */; };
+		85AFB4D8158F9C1D000AF7F5 /* Icon-72@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 85AFB4D4158F9C1D000AF7F5 /* Icon-72@2x.png */; };
+		85AFB4D9158F9C1D000AF7F5 /* Icon.png in Resources */ = {isa = PBXBuildFile; fileRef = 85AFB4D5158F9C1D000AF7F5 /* Icon.png */; };
+		85AFB4DA158F9C1D000AF7F5 /* Icon@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 85AFB4D6158F9C1D000AF7F5 /* Icon@2x.png */; };
+		85C69D7F1602B0AF008AD9A0 /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 85C69D7C1602B0AF008AD9A0 /* Default-568h@2x.png */; };
+		85C69D801602B0AF008AD9A0 /* Default.png in Resources */ = {isa = PBXBuildFile; fileRef = 85C69D7D1602B0AF008AD9A0 /* Default.png */; };
+		85C69D811602B0AF008AD9A0 /* Default@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 85C69D7E1602B0AF008AD9A0 /* Default@2x.png */; };
+		DD37EA8815ABA46B0015966B /* FacebookSDK.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = DD37EA8715ABA46B0015966B /* FacebookSDK.framework */; };
+		E2D6B81315413A570050835F /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E2D6B81215413A570050835F /* UIKit.framework */; };
+		E2D6B81515413A570050835F /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E2D6B81415413A570050835F /* Foundation.framework */; };
+		E2D6B81715413A570050835F /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = E2D6B81615413A570050835F /* CoreGraphics.framework */; };
+		E2D6B81D15413A570050835F /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = E2D6B81B15413A570050835F /* InfoPlist.strings */; };
+		E2D6B81F15413A570050835F /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = E2D6B81E15413A570050835F /* main.m */; };
+		E2D6B82315413A570050835F /* FPAppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = E2D6B82215413A570050835F /* FPAppDelegate.m */; };
+		E2D6B82615413A570050835F /* FPViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = E2D6B82515413A570050835F /* FPViewController.m */; };
+		E2D6B82915413A570050835F /* FPViewController_iPhone.xib in Resources */ = {isa = PBXBuildFile; fileRef = E2D6B82715413A570050835F /* FPViewController_iPhone.xib */; };
+		E2D6B82C15413A570050835F /* FPViewController_iPad.xib in Resources */ = {isa = PBXBuildFile; fileRef = E2D6B82A15413A570050835F /* FPViewController_iPad.xib */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXFileReference section */
+		85AFB4D3158F9C1D000AF7F5 /* Icon-72.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Icon-72.png"; sourceTree = "<group>"; };
+		85AFB4D4158F9C1D000AF7F5 /* Icon-72@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Icon-72@2x.png"; sourceTree = "<group>"; };
+		85AFB4D5158F9C1D000AF7F5 /* Icon.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = Icon.png; sourceTree = "<group>"; };
+		85AFB4D6158F9C1D000AF7F5 /* Icon@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Icon@2x.png"; sourceTree = "<group>"; };
+		85C69D7C1602B0AF008AD9A0 /* Default-568h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-568h@2x.png"; sourceTree = "<group>"; };
+		85C69D7D1602B0AF008AD9A0 /* Default.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = Default.png; sourceTree = "<group>"; };
+		85C69D7E1602B0AF008AD9A0 /* Default@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default@2x.png"; sourceTree = "<group>"; };
+		DD37EA8715ABA46B0015966B /* FacebookSDK.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = FacebookSDK.framework; path = ../../build/FacebookSDK.framework; sourceTree = "<group>"; };
+		E2D6B80E15413A570050835F /* FriendPickerSample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = FriendPickerSample.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		E2D6B81215413A570050835F /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
+		E2D6B81415413A570050835F /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
+		E2D6B81615413A570050835F /* CoreGraphics.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreGraphics.framework; path = System/Library/Frameworks/CoreGraphics.framework; sourceTree = SDKROOT; };
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+		E2D6B81C15413A570050835F /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/InfoPlist.strings; sourceTree = "<group>"; };
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+				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
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+			name = Release;
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+			isa = XCBuildConfiguration;
+			buildSettings = {
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+				WRAPPER_EXTENSION = app;
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default-568h@2x.png
new file mode 100644
index 0000000..0891b7a
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default.png
new file mode 100644
index 0000000..4c8ca6f
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default@2x.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Default@2x.png
new file mode 100644
index 0000000..35b84cf
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.h b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.h
new file mode 100644
index 0000000..1ccdcb9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Friend Picker sample application
+//
+// The purpose of this sample application is to provide a very simple 
+// example of the FBFriendPickerViewController, without other bells and
+// whistles to destract from the widget. This is a single-view application
+// with simplistic authentication with Facebook. The view-controller for
+// the applicaiton (FPViewController) inherits FBFriendPicerViewController.
+
+@class FPViewController;
+
+@interface FPAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) FPViewController *rootViewController;
+@property (strong, nonatomic) UIWindow *window;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.m b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.m
new file mode 100644
index 0000000..7602765
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPAppDelegate.m
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FPAppDelegate.h"
+#import "FPViewController.h"
+
+@implementation FPAppDelegate
+
+@synthesize window = _window;
+@synthesize rootViewController = _rootViewController;
+
+// FBSample logic
+// In the login workflow, the Facebook native application, or Safari will transition back to
+// this applicaiton via a url following the scheme fb[app id]://; the call to handleOpenURL
+// below captures the token, in the case of success, on behalf of the FBSession object
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    return [FBAppCall handleOpenURL:url sourceApplication:sourceApplication];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+    [FBAppCall handleDidBecomeActive];
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // If you have not added the -ObjC linker flag, you may need to uncomment the following line because
+    // Nib files require the type to have been loaded before they can do the wireup successfully.
+    // http://stackoverflow.com/questions/1725881/unknown-class-myclass-in-interface-builder-file-error-at-runtime
+    // [FBFriendPickerViewController class];
+
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.rootViewController = [[FPViewController alloc] initWithNibName:@"FPViewController_iPhone" bundle:nil];
+    } else {
+        self.rootViewController = [[FPViewController alloc] initWithNibName:@"FPViewController_iPad" bundle:nil];
+    }
+#ifdef __IPHONE_7_0
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_7_0
+    if ([self.rootViewController respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
+        self.rootViewController.edgesForExtendedLayout &= ~UIRectEdgeTop;
+    }
+#endif
+#endif
+#endif
+    self.rootViewController.navigationItem.title = @"Friend Picker";
+
+    // Set up a UINavigationController as the basis of this app, with the nib generated viewController
+    // as the initial view.
+    UINavigationController *navigationController =
+        [[UINavigationController alloc] initWithRootViewController:self.rootViewController];
+
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    self.window.rootViewController = navigationController;
+    [self.window makeKeyAndVisible];
+
+    return YES;
+}
+
+- (NSUInteger)supportedInterfaceOrientations{
+    return UIInterfaceOrientationMaskAllButUpsideDown;
+}
+
+// FBSample logic
+// It is important to close any FBSession object that is no longer useful
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Close the session before quitting
+    // this is a good idea because things may be hanging off the session, that need
+    // releasing (completion block, etc.) and other components in the app may be awaiting
+    // close notification in order to do cleanup
+    [FBSession.activeSession close];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.h b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.h
new file mode 100644
index 0000000..bda85fd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface FPViewController : UIViewController<FBFriendPickerDelegate>
+
+- (IBAction)pickFriendsButtonClick:(id)sender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.m b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.m
new file mode 100644
index 0000000..39bd1cb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FPViewController.m
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FPAppDelegate.h"
+#import "FPViewController.h"
+
+// FBSample logic
+// We need to handle some of the UX events related to friend selection, and so we declare
+// that we implement the FBFriendPickerDelegate here; the delegate lets us filter the view
+// as well as handle selection events
+@interface FPViewController () 
+
+@property (strong, nonatomic) IBOutlet UITextView *selectedFriendsView;
+@property (retain, nonatomic) FBFriendPickerViewController *friendPickerController;
+
+- (void)fillTextBoxAndDismiss:(NSString *)text;
+
+@end
+
+@implementation FPViewController
+
+@synthesize selectedFriendsView = _friendResultText;
+@synthesize friendPickerController = _friendPickerController;
+
+#pragma mark View lifecycle
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+}
+
+- (void)viewDidUnload {
+    self.selectedFriendsView = nil;
+    self.friendPickerController = nil;
+    
+    [super viewDidUnload];
+}
+
+#pragma mark UI handlers
+
+- (IBAction)pickFriendsButtonClick:(id)sender {
+    // FBSample logic
+    // if the session is open, then load the data for our view controller
+    if (!FBSession.activeSession.isOpen) {
+        // if the session is closed, then we open it here, and establish a handler for state changes
+        [FBSession openActiveSessionWithReadPermissions:nil
+                                           allowLoginUI:YES
+                                      completionHandler:^(FBSession *session,
+                                                             FBSessionState state,
+                                                             NSError *error) {
+            if (error) {
+                UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error"
+                                                                    message:error.localizedDescription
+                                                                   delegate:nil
+                                                          cancelButtonTitle:@"OK"
+                                                          otherButtonTitles:nil];
+                [alertView show];
+            } else if (session.isOpen) {
+                [self pickFriendsButtonClick:sender];
+            }
+        }];
+        return;
+    }
+
+    if (self.friendPickerController == nil) {
+        // Create friend picker, and get data loaded into it.
+        self.friendPickerController = [[FBFriendPickerViewController alloc] init];
+        self.friendPickerController.title = @"Pick Friends";
+        self.friendPickerController.delegate = self;
+    }
+
+    [self.friendPickerController loadData];
+    [self.friendPickerController clearSelection];
+
+    [self presentViewController:self.friendPickerController animated:YES completion:nil];
+}
+
+- (void)facebookViewControllerDoneWasPressed:(id)sender {
+    NSMutableString *text = [[NSMutableString alloc] init];
+    
+    // we pick up the users from the selection, and create a string that we use to update the text view
+    // at the bottom of the display; note that self.selection is a property inherited from our base class
+    for (id<FBGraphUser> user in self.friendPickerController.selection) {
+        if ([text length]) {
+            [text appendString:@", "];
+        }
+        [text appendString:user.name];
+    }
+    
+    [self fillTextBoxAndDismiss:text.length > 0 ? text : @"<None>"];
+}
+
+- (void)facebookViewControllerCancelWasPressed:(id)sender {
+    [self fillTextBoxAndDismiss:@"<Cancelled>"];
+}
+
+- (void)fillTextBoxAndDismiss:(NSString *)text {
+    self.selectedFriendsView.text = text;
+    
+    [self dismissModalViewControllerAnimated:YES];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orientation
+{
+    return YES;
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Info.plist b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Info.plist
new file mode 100644
index 0000000..e77fd46
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Info.plist
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.friendpicker</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb370546396320150</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>370546396320150</string>
+	<key>FacebookDisplayName</key>
+	<string>FriendPickerSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>CFBundleLocalizations</key>
+	<array>
+		<string>en</string>
+		<string>ru</string>
+		<string>zh</string>
+		<string>ja</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Prefix.pch
new file mode 100644
index 0000000..18f3562
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/FriendPickerSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'FriendPickerSample' target in the 'FriendPickerSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72.png
new file mode 100644
index 0000000..7d340e1
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72@2x.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72@2x.png
new file mode 100644
index 0000000..2c81292
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon-72@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon.png
new file mode 100644
index 0000000..ecc5e04
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon@2x.png
new file mode 100644
index 0000000..3c999f7
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/Icon@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPad.xib
new file mode 100644
index 0000000..199d002
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPad.xib
@@ -0,0 +1,289 @@
+<?xml version="1.0" encoding="UTF-8"?>
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+		<string key="IBDocument.HIToolboxVersion">569.00</string>
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+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
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+					</object>
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPhone.xib
new file mode 100644
index 0000000..d08acf2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/FPViewController_iPhone.xib
@@ -0,0 +1,253 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1536</int>
+		<string key="IBDocument.SystemVersion">11G63</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2844</string>
+		<string key="IBDocument.AppKitVersion">1138.51</string>
+		<string key="IBDocument.HIToolboxVersion">569.00</string>
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diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/main.m b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/main.m
new file mode 100644
index 0000000..45e2af0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/FriendPickerSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "FPAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([FPAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/FriendPickerSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/ReadMe.txt
new file mode 100644
index 0000000..984dbed
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/FriendPickerSample/ReadMe.txt
@@ -0,0 +1,7 @@
+Friend Picker sample
+
+Demonstrates how to use a FBFriendPickerViewController in the Facebook SDK for iOS.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the FriendPickerSample project using Xcode from the <Facebook SDK>/samples/FriendPickerSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..9db9a68
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample.xcodeproj/project.pbxproj
@@ -0,0 +1,345 @@
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+				E251174D152BB6FE00CB342A /* main.m */,
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+/* End PBXResourcesBuildPhase section */
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+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
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+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				SDKROOT = iphoneos;
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+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		E251175F152BB6FE00CB342A /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "GraphApiSample/GraphApiSample-Prefix.pch";
+				INFOPLIST_FILE = "$(SRCROOT)/GraphApiSample/GraphApiSample-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
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+				WRAPPER_EXTENSION = app;
+			};
+			name = Debug;
+		};
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+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "GraphApiSample/GraphApiSample-Prefix.pch";
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+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = GraphApiSample;
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		E2511737152BB6FE00CB342A /* Build configuration list for PBXProject "GraphApiSample" */ = {
+			isa = XCConfigurationList;
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+		E251175E152BB6FE00CB342A /* Build configuration list for PBXNativeTarget "GraphApiSample" */ = {
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+			buildConfigurations = (
+				E251175F152BB6FE00CB342A /* Debug */,
+				E2511760152BB6FE00CB342A /* Release */,
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default-568h@2x.png
new file mode 100644
index 0000000..0891b7a
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default.png
new file mode 100644
index 0000000..4c8ca6f
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default@2x.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Default@2x.png
new file mode 100644
index 0000000..35b84cf
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.h b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.h
new file mode 100644
index 0000000..7fd9205
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+// Just Request sample application
+//
+// The purpose of this sample application is to provide an example of 
+// how to request data and entities from Facebook. The goal of the sample 
+// is to show how to use the FBRequest and FBSession classes for this purpose, 
+// with minimal additional sample functionality to distract from the core topic.
+
+@class GraphApiViewController;
+
+@interface GraphApiAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) GraphApiViewController *viewController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.m b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.m
new file mode 100644
index 0000000..2d7fb50
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiAppDelegate.m
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <FacebookSDK/FacebookSDK.h>
+#import "GraphApiAppDelegate.h"
+#import "GraphApiViewController.h"
+
+@implementation GraphApiAppDelegate
+
+@synthesize window = _window;
+@synthesize viewController = _viewController;
+
+#pragma mark Template generated code
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.viewController = [[GraphApiViewController alloc] initWithNibName:@"GraphApiViewController_iPhone" bundle:nil];
+    } else {
+        self.viewController = [[GraphApiViewController alloc] initWithNibName:@"GraphApiViewController_iPad" bundle:nil];
+    }
+    self.window.rootViewController = self.viewController;
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+// FBSample logic
+// In the login workflow, the Facebook native application, or Safari will transition back to
+// this applicaiton via a url following the scheme fb[app id]://; the call to handleOpenURL
+// below captures the token, in the case of success, on behalf of the FBSession object
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+    [FBAppCall handleDidBecomeActive];
+}
+
+// FBSample logic
+// It is important to close any FBSession object that is no longer useful
+- (void)applicationWillTerminate:(UIApplication *)application {
+    [FBSession.activeSession close];
+}
+
+#pragma mark end Template generated code
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Info.plist b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Info.plist
new file mode 100644
index 0000000..adac8f4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Info.plist
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.graphapi</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb307234779396415</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>307234779396415</string>
+	<key>FacebookDisplayName</key>
+	<string>GraphApiSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Prefix.pch
new file mode 100644
index 0000000..f8a618d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiSample-Prefix.pch
@@ -0,0 +1,16 @@
+//
+// Prefix header for all source files of the 'GraphApiSample' target in the 'GraphApiSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
+
+#import <FacebookSDK/FacebookSDK.h>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.h b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.h
new file mode 100644
index 0000000..76c4a92
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface GraphApiViewController : UIViewController
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.m b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.m
new file mode 100644
index 0000000..9d71426
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/GraphApiViewController.m
@@ -0,0 +1,209 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <FacebookSDK/FacebookSDK.h>
+#import "GraphApiAppDelegate.h"
+#import "GraphApiViewController.h"
+
+static NSString *loadingText = @"Loading...";
+
+@interface GraphApiViewController ()
+
+@property (strong, nonatomic) IBOutlet UIButton *buttonRequest;
+@property (strong, nonatomic) IBOutlet UITextField *textObjectID;
+@property (strong, nonatomic) IBOutlet UITextView *textOutput;
+@property (strong, nonatomic) FBRequestConnection *requestConnection;
+
+- (IBAction)buttonRequestClickHandler:(id)sender;
+
+- (void)sendRequests;
+
+- (void)requestCompleted:(FBRequestConnection *)connection
+                 forFbID:(NSString *)fbID
+                  result:(id)result
+                   error:(NSError *)error;
+
+@end
+
+@implementation GraphApiViewController
+
+@synthesize buttonRequest = _buttonRequest;
+@synthesize textObjectID = _textObjectID;
+@synthesize textOutput = _textOutput;
+@synthesize requestConnection = _requestConnection;
+
+- (void)dealloc {
+    [_requestConnection cancel];
+}
+
+//
+// When the button is clicked, make sure we have a valid session and
+// call sendRequests.
+//
+- (void)buttonRequestClickHandler:(id)sender {
+    // FBSample logic
+    // Check to see whether we have already opened a session.
+    if (FBSession.activeSession.isOpen) {
+        // login is integrated with the send button -- so if open, we send
+        [self sendRequests];
+    } else {
+        [FBSession openActiveSessionWithReadPermissions:nil
+                                           allowLoginUI:YES
+                                      completionHandler:^(FBSession *session,
+                                                          FBSessionState status,
+                                                          NSError *error) {
+                                          // if login fails for any reason, we alert
+                                          if (error) {
+                                              UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
+                                                                                              message:error.localizedDescription
+                                                                                             delegate:nil
+                                                                                    cancelButtonTitle:@"OK"
+                                                                                    otherButtonTitles:nil];
+                                              [alert show];
+                                              // if otherwise we check to see if the session is open, an alternative to
+                                              // to the FB_ISSESSIONOPENWITHSTATE helper-macro would be to check the isOpen
+                                              // property of the session object; the macros are useful, however, for more
+                                              // detailed state checking for FBSession objects
+                                          } else if (FB_ISSESSIONOPENWITHSTATE(status)) {
+                                              // send our requests if we successfully logged in
+                                              [self sendRequests];
+                                          }
+                                      }];
+    }
+}
+
+// FBSample logic
+// Read the ids to request from textObjectID and generate a FBRequest
+// object for each one.  Add these to the FBRequestConnection and
+// then connect to Facebook to get results.  Store the FBRequestConnection
+// in case we need to cancel it before it returns.
+//
+// When a request returns results, call requestComplete:result:error.
+//
+- (void)sendRequests {
+    // extract the id's for which we will request the profile
+    NSArray *fbids = [self.textObjectID.text componentsSeparatedByString:@","];
+
+    if ([self.textObjectID.text length] == 0) {
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
+                                                        message:@"Object ID is required"
+                                                       delegate:nil
+                                              cancelButtonTitle:@"OK"
+                                              otherButtonTitles:nil];
+        [alert show];
+        return;
+    }
+
+    self.textOutput.text = loadingText;
+    if ([self.textObjectID isFirstResponder]) {
+        [self.textObjectID resignFirstResponder];
+    }
+    
+    // create the connection object
+    FBRequestConnection *newConnection = [[FBRequestConnection alloc] init];
+    
+    // for each fbid in the array, we create a request object to fetch
+    // the profile, along with a handler to respond to the results of the request
+    for (NSString *fbid in fbids) {
+        
+        // create a handler block to handle the results of the request for fbid's profile
+        FBRequestHandler handler =
+            ^(FBRequestConnection *connection, id result, NSError *error) {
+                // output the results of the request
+                [self requestCompleted:connection forFbID:fbid result:result error:error];
+            };
+        
+        // create the request object, using the fbid as the graph path
+        // as an alternative the request* static methods of the FBRequest class could
+        // be used to fetch common requests, such as /me and /me/friends
+        FBRequest *request = [[FBRequest alloc] initWithSession:FBSession.activeSession
+                                                      graphPath:fbid];
+        
+        // add the request to the connection object, if more than one request is added
+        // the connection object will compose the requests as a batch request; whether or
+        // not the request is a batch or a singleton, the handler behavior is the same,
+        // allowing the application to be dynamic in regards to whether a single or multiple
+        // requests are occuring
+        [newConnection addRequest:request completionHandler:handler];
+    }
+    
+    // if there's an outstanding connection, just cancel
+    [self.requestConnection cancel];    
+    
+    // keep track of our connection, and start it
+    self.requestConnection = newConnection;    
+    [newConnection start];
+}
+
+// FBSample logic
+// Report any results.  Invoked once for each request we make.
+- (void)requestCompleted:(FBRequestConnection *)connection
+                 forFbID:fbID
+                  result:(id)result
+                   error:(NSError *)error {
+    // not the completion we were looking for...
+    if (self.requestConnection &&
+        connection != self.requestConnection) {
+        return;
+    }
+    
+    // clean this up, for posterity
+    self.requestConnection = nil;
+
+    if ([self.textOutput.text isEqualToString:loadingText]) {
+        self.textOutput.text = @"";
+    }
+
+    NSString *text;
+    if (error) {
+        // error contains details about why the request failed
+        text = error.localizedDescription;
+    } else {
+        // result is the json response from a successful request
+        NSDictionary *dictionary = (NSDictionary *)result;
+        // we pull the name property out, if there is one, and display it
+        text = (NSString *)[dictionary objectForKey:@"name"];
+    }
+    
+    self.textOutput.text = [NSString stringWithFormat:@"%@%@: %@\r\n",
+                            self.textOutput.text, 
+                            [fbID stringByTrimmingCharactersInSet:
+                             [NSCharacterSet whitespaceAndNewlineCharacterSet]], 
+                            text];
+}
+
+#pragma mark - View lifecycle
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+    [self.requestConnection cancel];
+
+    self.buttonRequest = nil;
+    self.textObjectID = nil;
+    self.textOutput = nil;
+    self.requestConnection = nil;
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon-72.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon-72.png
new file mode 100644
index 0000000..268cc26
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon-72@2x.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon-72@2x.png
new file mode 100644
index 0000000..ac94010
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon.png
new file mode 100644
index 0000000..f045d96
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon@2x.png
new file mode 100644
index 0000000..04e1328
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/Icon@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPad.xib
new file mode 100644
index 0000000..29642bb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPad.xib
@@ -0,0 +1,263 @@
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+						</object>
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+					</object>
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPhone.xib
new file mode 100644
index 0000000..de760e6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/GraphApiViewController_iPhone.xib
@@ -0,0 +1,263 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/main.m b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/main.m
new file mode 100644
index 0000000..c2cf73d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/GraphApiSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "GraphApiAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([GraphApiAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/GraphApiSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/GraphApiSample/ReadMe.txt
new file mode 100644
index 0000000..c9742b3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/GraphApiSample/ReadMe.txt
@@ -0,0 +1,7 @@
+Graph Api sample
+
+Demonstrates the basics of how to make a singleton or batch request using the Facebook SDK for IOS.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the GraphApiSample project using Xcode from the <Facebook SDK>/samples/GraphApiSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..2dbce85
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample.xcodeproj/project.pbxproj
@@ -0,0 +1,347 @@
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+				COPY_PHASE_STRIP = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
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+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
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+			name = Debug;
+		};
+		5F6AF1A91532A37B00DDBD75 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
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+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		5F6AF1AB1532A37B00DDBD75 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "HelloFacebookSample/HelloFacebookSample-Prefix.pch";
+				INFOPLIST_FILE = "HelloFacebookSample/HelloFacebookSample-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = HelloFacebookSample;
+				WRAPPER_EXTENSION = app;
+			};
+			name = Debug;
+		};
+		5F6AF1AC1532A37B00DDBD75 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "HelloFacebookSample/HelloFacebookSample-Prefix.pch";
+				INFOPLIST_FILE = "HelloFacebookSample/HelloFacebookSample-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = HelloFacebookSample;
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		5F6AF1831532A37B00DDBD75 /* Build configuration list for PBXProject "HelloFacebookSample" */ = {
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+				5F6AF1A81532A37B00DDBD75 /* Debug */,
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+		5F6AF1AA1532A37B00DDBD75 /* Build configuration list for PBXNativeTarget "HelloFacebookSample" */ = {
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+			buildConfigurations = (
+				5F6AF1AB1532A37B00DDBD75 /* Debug */,
+				5F6AF1AC1532A37B00DDBD75 /* Release */,
+			);
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 5F6AF1801532A37B00DDBD75 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default-568h@2x.png
new file mode 100644
index 0000000..0891b7a
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diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default.png
new file mode 100644
index 0000000..4c8ca6f
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diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default@2x.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Default@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.h b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.h
new file mode 100644
index 0000000..649fff8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Hello Facebook sample application
+//
+// The purpose of this sample application is show how to use Facebook to 
+// personalize an application experience and perform a set of typical actions.
+// These include:
+// - managing login and logout using FBSession
+// - how to request and display additional user data using FBRequest
+// - use of FBProfilePictureView to display a profile picture
+// - how to post a Facebook status update
+// - how to upload a photo to Facebook
+// - how to invoke the FBFriendPickerViewController to select a set of friends.
+
+@class HFViewController;
+
+@interface HFAppDelegate : UIResponder<UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) HFViewController *rootViewController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.m b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.m
new file mode 100644
index 0000000..32c5560
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFAppDelegate.m
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "HFAppDelegate.h"
+
+#import "HFViewController.h"
+#import <FacebookSDK/FacebookSDK.h>
+
+@implementation HFAppDelegate
+
+@synthesize window = _window;
+@synthesize rootViewController = _rootViewController;
+
+// FBSample logic
+// If we have a valid session at the time of openURL call, we handle Facebook transitions
+// by passing the url argument to handleOpenURL; see the "Just Login" sample application for
+// a more detailed discussion of handleOpenURL
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    // attempt to extract a token from the url
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication
+                    fallbackHandler:^(FBAppCall *call) {
+                        NSLog(@"In fallback handler");
+                    }];
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // FBSample logic
+    // if the app is going away, we close the session object
+    [FBSession.activeSession close];
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // If you have not added the -ObjC linker flag, you may need to uncomment the following line because
+    // Nib files require the type to have been loaded before they can do the wireup successfully.
+    // http://stackoverflow.com/questions/1725881/unknown-class-myclass-in-interface-builder-file-error-at-runtime
+    // [FBProfilePictureView class];
+    
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.window.rootViewController = [[HFViewController alloc] initWithNibName:@"HFViewController_iPhone" bundle:nil];
+    } else {
+        self.window.rootViewController = [[HFViewController alloc] initWithNibName:@"HFViewController_iPad" bundle:nil];
+    }
+    
+    [self.window makeKeyAndVisible];
+    
+    return YES;
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application	{
+    // FBSample logic
+    // Call the 'activateApp' method to log an app event for use in analytics and advertising reporting.
+    [FBAppEvents activateApp];
+  
+    // FBSample logic
+    // We need to properly handle activation of the application with regards to SSO
+    //  (e.g., returning from iOS 6.0 authorization dialog or from fast app switching).
+    [FBAppCall handleDidBecomeActive];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.h b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.h
new file mode 100644
index 0000000..d964a45
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface HFViewController : UIViewController
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.m b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.m
new file mode 100644
index 0000000..38bd885
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HFViewController.m
@@ -0,0 +1,390 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "HFViewController.h"
+
+#import "HFAppDelegate.h"
+#import <CoreLocation/CoreLocation.h>
+
+
+@interface HFViewController () <FBLoginViewDelegate>
+
+@property (strong, nonatomic) IBOutlet FBProfilePictureView *profilePic;
+@property (strong, nonatomic) IBOutlet UIButton *buttonPostStatus;
+@property (strong, nonatomic) IBOutlet UIButton *buttonPostPhoto;
+@property (strong, nonatomic) IBOutlet UIButton *buttonPickFriends;
+@property (strong, nonatomic) IBOutlet UIButton *buttonPickPlace;
+@property (strong, nonatomic) IBOutlet UILabel *labelFirstName;
+@property (strong, nonatomic) id<FBGraphUser> loggedInUser;
+
+- (IBAction)postStatusUpdateClick:(UIButton *)sender;
+- (IBAction)postPhotoClick:(UIButton *)sender;
+- (IBAction)pickFriendsClick:(UIButton *)sender;
+- (IBAction)pickPlaceClick:(UIButton *)sender;
+
+- (void)showAlert:(NSString *)message
+           result:(id)result
+            error:(NSError *)error;
+
+
+@end
+
+@implementation HFViewController
+
+@synthesize buttonPostStatus = _buttonPostStatus;
+@synthesize buttonPostPhoto = _buttonPostPhoto;
+@synthesize buttonPickFriends = _buttonPickFriends;
+@synthesize buttonPickPlace = _buttonPickPlace;
+@synthesize labelFirstName = _labelFirstName;
+@synthesize loggedInUser = _loggedInUser;
+@synthesize profilePic = _profilePic;
+
+#pragma mark - UIViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    // Create Login View so that the app will be granted "status_update" permission.
+    FBLoginView *loginview = [[FBLoginView alloc] init];
+    
+    loginview.frame = CGRectOffset(loginview.frame, 5, 5);
+#ifdef __IPHONE_7_0
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_7_0
+    if ([self respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
+        loginview.frame = CGRectOffset(loginview.frame, 5, 25);
+    }
+#endif
+#endif
+#endif
+    loginview.delegate = self;
+    
+    [self.view addSubview:loginview];
+    
+    [loginview sizeToFit];
+}
+
+- (void)viewDidUnload {
+    self.buttonPickFriends = nil;
+    self.buttonPickPlace = nil;
+    self.buttonPostPhoto = nil;
+    self.buttonPostStatus = nil;
+    self.labelFirstName = nil;
+    self.loggedInUser = nil;
+    self.profilePic = nil;
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+#pragma mark - FBLoginViewDelegate
+
+- (void)loginViewShowingLoggedInUser:(FBLoginView *)loginView {
+    // first get the buttons set for login mode
+    self.buttonPostPhoto.enabled = YES;
+    self.buttonPostStatus.enabled = YES;
+    self.buttonPickFriends.enabled = YES;
+    self.buttonPickPlace.enabled = YES;
+
+    // "Post Status" available when logged on and potentially when logged off.  Differentiate in the label.
+    [self.buttonPostStatus setTitle:@"Post Status Update (Logged On)" forState:self.buttonPostStatus.state];
+}
+
+- (void)loginViewFetchedUserInfo:(FBLoginView *)loginView
+                            user:(id<FBGraphUser>)user {
+    // here we use helper properties of FBGraphUser to dot-through to first_name and
+    // id properties of the json response from the server; alternatively we could use
+    // NSDictionary methods such as objectForKey to get values from the my json object
+    self.labelFirstName.text = [NSString stringWithFormat:@"Hello %@!", user.first_name];
+    // setting the profileID property of the FBProfilePictureView instance
+    // causes the control to fetch and display the profile picture for the user
+    self.profilePic.profileID = user.id;
+    self.loggedInUser = user;
+}
+
+- (void)loginViewShowingLoggedOutUser:(FBLoginView *)loginView {
+    // test to see if we can use the share dialog built into the Facebook application
+    FBShareDialogParams *p = [[FBShareDialogParams alloc] init];
+    p.link = [NSURL URLWithString:@"http://developers.facebook.com/ios"];
+#ifdef DEBUG
+    [FBSettings enableBetaFeatures:FBBetaFeaturesShareDialog];
+#endif
+    BOOL canShareFB = [FBDialogs canPresentShareDialogWithParams:p];
+    BOOL canShareiOS6 = [FBDialogs canPresentOSIntegratedShareDialogWithSession:nil];
+
+    self.buttonPostStatus.enabled = canShareFB || canShareiOS6;
+    self.buttonPostPhoto.enabled = NO;
+    self.buttonPickFriends.enabled = NO;
+    self.buttonPickPlace.enabled = NO;
+    
+    // "Post Status" available when logged on and potentially when logged off.  Differentiate in the label.
+    [self.buttonPostStatus setTitle:@"Post Status Update (Logged Off)" forState:self.buttonPostStatus.state];
+    
+    self.profilePic.profileID = nil;
+    self.labelFirstName.text = nil;
+    self.loggedInUser = nil;
+}
+
+- (void)loginView:(FBLoginView *)loginView handleError:(NSError *)error {
+    // see https://developers.facebook.com/docs/reference/api/errors/ for general guidance on error handling for Facebook API
+    // our policy here is to let the login view handle errors, but to log the results
+    NSLog(@"FBLoginView encountered an error=%@", error);
+}
+
+#pragma mark -
+
+// Convenience method to perform some action that requires the "publish_actions" permissions.
+- (void) performPublishAction:(void (^)(void)) action {
+    // we defer request for permission to post to the moment of post, then we check for the permission
+    if ([FBSession.activeSession.permissions indexOfObject:@"publish_actions"] == NSNotFound) {
+        // if we don't already have the permission, then we request it now
+        [FBSession.activeSession requestNewPublishPermissions:@[@"publish_actions"]
+                                              defaultAudience:FBSessionDefaultAudienceFriends
+                                            completionHandler:^(FBSession *session, NSError *error) {
+                                                if (!error) {
+                                                    action();
+                                                } else if (error.fberrorCategory != FBErrorCategoryUserCancelled){
+                                                    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Permission denied"
+                                                                                                        message:@"Unable to get permission to post"
+                                                                                                       delegate:nil
+                                                                                              cancelButtonTitle:@"OK"
+                                                                                              otherButtonTitles:nil];
+                                                    [alertView show];
+                                                }
+                                            }];
+    } else {
+        action();
+    }
+    
+}
+
+// Post Status Update button handler; will attempt different approaches depending upon configuration.
+- (IBAction)postStatusUpdateClick:(UIButton *)sender {
+    // Post a status update to the user's feed via the Graph API, and display an alert view
+    // with the results or an error.
+    
+    NSURL *urlToShare = [NSURL URLWithString:@"http://developers.facebook.com/ios"];
+    
+    // This code demonstrates 3 different ways of sharing using the Facebook SDK.
+    // The first method tries to share via the Facebook app. This allows sharing without
+    // the user having to authorize your app, and is available as long as the user has the
+    // correct Facebook app installed. This publish will result in a fast-app-switch to the
+    // Facebook app.
+    // The second method tries to share via Facebook's iOS6 integration, which also
+    // allows sharing without the user having to authorize your app, and is available as
+    // long as the user has linked their Facebook account with iOS6. This publish will
+    // result in a popup iOS6 dialog.
+    // The third method tries to share via a Graph API request. This does require the user
+    // to authorize your app. They must also grant your app publish permissions. This
+    // allows the app to publish without any user interaction.
+    
+    // If it is available, we will first try to post using the share dialog in the Facebook app
+    FBAppCall *appCall = [FBDialogs presentShareDialogWithLink:urlToShare
+                                                          name:@"Hello Facebook"
+                                                       caption:nil
+                                                   description:@"The 'Hello Facebook' sample application showcases simple Facebook integration."
+                                                       picture:nil
+                                                   clientState:nil
+                                                       handler:^(FBAppCall *call, NSDictionary *results, NSError *error) {
+                                                           if (error) {
+                                                               NSLog(@"Error: %@", error.description);
+                                                           } else {
+                                                               NSLog(@"Success!");
+                                                           }
+                                                       }];
+    
+    if (!appCall) {
+        // Next try to post using Facebook's iOS6 integration
+        BOOL displayedNativeDialog = [FBDialogs presentOSIntegratedShareDialogModallyFrom:self
+                                                                              initialText:nil
+                                                                                    image:nil
+                                                                                      url:urlToShare
+                                                                                  handler:nil];
+        
+        if (!displayedNativeDialog) {
+            // Lastly, fall back on a request for permissions and a direct post using the Graph API
+            [self performPublishAction:^{
+                NSString *message = [NSString stringWithFormat:@"Updating status for %@ at %@", self.loggedInUser.first_name, [NSDate date]];
+                
+                FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+                
+                connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession
+                                         | FBRequestConnectionErrorBehaviorAlertUser
+                                         | FBRequestConnectionErrorBehaviorRetry;
+                
+                [connection addRequest:[FBRequest requestForPostStatusUpdate:message]
+                     completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                         
+                                        [self showAlert:message result:result error:error];
+                                        self.buttonPostStatus.enabled = YES;
+                }];
+                [connection start];
+                
+                self.buttonPostStatus.enabled = NO;
+            }];
+        }
+    }
+}
+
+// Post Photo button handler
+- (IBAction)postPhotoClick:(UIButton *)sender {
+    // Just use the icon image from the application itself.  A real app would have a more
+    // useful way to get an image.
+    UIImage *img = [UIImage imageNamed:@"Icon-72@2x.png"];
+    
+    [self performPublishAction:^{
+        FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+        connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession
+                                 | FBRequestConnectionErrorBehaviorAlertUser
+                                 | FBRequestConnectionErrorBehaviorRetry;
+        
+        [connection addRequest:[FBRequest requestForUploadPhoto:img]
+             completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                 
+                 [self showAlert:@"Photo Post" result:result error:error];
+                 if (FBSession.activeSession.isOpen) {
+                     self.buttonPostPhoto.enabled = YES;
+                 }
+        }];
+        [connection start];
+        
+        self.buttonPostPhoto.enabled = NO;
+    }];
+}
+
+// Pick Friends button handler
+- (IBAction)pickFriendsClick:(UIButton *)sender {
+    FBFriendPickerViewController *friendPickerController = [[FBFriendPickerViewController alloc] init];
+    friendPickerController.title = @"Pick Friends";
+    [friendPickerController loadData];
+    
+    // Use the modal wrapper method to display the picker.
+    [friendPickerController presentModallyFromViewController:self animated:YES handler:
+     ^(FBViewController *sender, BOOL donePressed) {
+         
+         if (!donePressed) {
+             return;
+         }
+         
+         NSString *message;
+         
+         if (friendPickerController.selection.count == 0) {
+             message = @"<No Friends Selected>";
+         } else {
+             
+             NSMutableString *text = [[NSMutableString alloc] init];
+             
+             // we pick up the users from the selection, and create a string that we use to update the text view
+             // at the bottom of the display; note that self.selection is a property inherited from our base class
+             for (id<FBGraphUser> user in friendPickerController.selection) {
+                 if ([text length]) {
+                     [text appendString:@", "];
+                 }
+                 [text appendString:user.name];
+             }
+             message = text;
+         }
+         
+         [[[UIAlertView alloc] initWithTitle:@"You Picked:"
+                                     message:message
+                                    delegate:nil
+                           cancelButtonTitle:@"OK"
+                           otherButtonTitles:nil]
+          show];
+     }];
+}
+
+// Pick Place button handler
+- (IBAction)pickPlaceClick:(UIButton *)sender {
+    FBPlacePickerViewController *placePickerController = [[FBPlacePickerViewController alloc] init];
+    placePickerController.title = @"Pick a Seattle Place";
+    placePickerController.locationCoordinate = CLLocationCoordinate2DMake(47.6097, -122.3331);
+    [placePickerController loadData];
+    
+    // Use the modal wrapper method to display the picker.
+    [placePickerController presentModallyFromViewController:self animated:YES handler:
+     ^(FBViewController *sender, BOOL donePressed) {
+         
+         if (!donePressed) {
+             return;
+         }
+         
+         NSString *placeName = placePickerController.selection.name;
+         if (!placeName) {
+             placeName = @"<No Place Selected>";
+         }
+         
+         [[[UIAlertView alloc] initWithTitle:@"You Picked:"
+                                     message:placeName
+                                    delegate:nil
+                           cancelButtonTitle:@"OK"
+                           otherButtonTitles:nil]
+          show];
+     }];
+}
+
+// UIAlertView helper for post buttons
+- (void)showAlert:(NSString *)message
+           result:(id)result
+            error:(NSError *)error {
+    
+    NSString *alertMsg;
+    NSString *alertTitle;
+    if (error) {
+        alertTitle = @"Error";
+        // Since we use FBRequestConnectionErrorBehaviorAlertUser,
+        // we do not need to surface our own alert view if there is an
+        // an fberrorUserMessage unless the session is closed.
+        if (error.fberrorUserMessage && FBSession.activeSession.isOpen) {
+            alertTitle = nil;
+
+        } else {
+            // Otherwise, use a general "connection problem" message.
+            alertMsg = @"Operation failed due to a connection problem, retry later.";
+        }
+    } else {
+        NSDictionary *resultDict = (NSDictionary *)result;
+        alertMsg = [NSString stringWithFormat:@"Successfully posted '%@'.", message];
+        NSString *postId = [resultDict valueForKey:@"id"];
+        if (!postId) {
+            postId = [resultDict valueForKey:@"postId"];
+        }
+        if (postId) {
+            alertMsg = [NSString stringWithFormat:@"%@\nPost ID: %@", alertMsg, postId];
+        }
+        alertTitle = @"Success";
+    }
+    
+    if (alertTitle) {
+        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:alertTitle
+                                                            message:alertMsg
+                                                           delegate:nil
+                                                  cancelButtonTitle:@"OK"
+                                                  otherButtonTitles:nil];
+        [alertView show];
+    }
+}
+
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Info.plist b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Info.plist
new file mode 100644
index 0000000..ac3322a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Info.plist
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.hellofacebook</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb355198514515820</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>355198514515820</string>
+	<key>FacebookDisplayName</key>
+	<string>HelloFBSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Prefix.pch
new file mode 100644
index 0000000..7ba7277
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/HelloFacebookSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'HelloFacebookSample' target in the 'HelloFacebookSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72.png
new file mode 100644
index 0000000..0a5244e
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72@2x.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72@2x.png
new file mode 100644
index 0000000..9acca17
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon-72@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon.png
new file mode 100644
index 0000000..6d44726
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon@2x.png
new file mode 100644
index 0000000..3710c79
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/Icon@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPad.xib
new file mode 100644
index 0000000..5e0b125
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPad.xib
@@ -0,0 +1,483 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1280</int>
+		<string key="IBDocument.SystemVersion">12E55</string>
+		<string key="IBDocument.InterfaceBuilderVersion">4504</string>
+		<string key="IBDocument.AppKitVersion">1187.39</string>
+		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">3734.1</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUIButton</string>
+			<string>IBUILabel</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBProxyObject" id="606714003">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBUIView" id="766721923">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
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+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{284, 77}, {200, 200}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="539434501"/>
+						<string key="NSReuseIdentifierKey">_NS:212</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+							<object class="NSColorSpace" key="NSCustomColorSpace" id="553252529">
+								<int key="NSID">2</int>
+							</object>
+						</object>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+					</object>
+					<object class="IBUILabel" id="539434501">
+						<reference key="NSNextResponder" ref="766721923"/>
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+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="323571472"/>
+						<string key="NSReuseIdentifierKey">_NS:345</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<string key="IBUIText"/>
+						<object class="NSColor" key="IBUITextColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MCAwIDAAA</bytes>
+							<string key="IBUIColorCocoaTouchKeyPath">darkTextColor</string>
+						</object>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">1</int>
+						<float key="IBUIMinimumFontSize">10</float>
+						<int key="IBUITextAlignment">1</int>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">1</int>
+							<double key="pointSize">17</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">HelveticaNeue</string>
+							<double key="NSSize">17</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUIButton" id="323571472">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{92, 340}, {288, 37}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="777937896"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+						<int key="IBUIButtonType">1</int>
+						<object class="NSColor" key="IBUINormalTitleColor" id="963949535">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MC4xOTYwNzg0MzE0IDAuMzA5ODAzOTIxNiAwLjUyMTU2ODYyNzUAA</bytes>
+						</object>
+						<object class="NSColor" key="IBUIHighlightedTitleColor" id="380594171">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+						</object>
+						<string key="IBUINormalTitle">Post Status Update</string>
+						<object class="NSColor" key="IBUIDisabledTitleColor" id="248341095">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MC42NjY2NjY2NjY3AA</bytes>
+						</object>
+						<object class="NSColor" key="IBUINormalTitleShadowColor" id="462923118">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MC41AA</bytes>
+						</object>
+						<object class="IBUIFontDescription" key="IBUIFontDescription" id="41516072">
+							<int key="type">2</int>
+							<double key="pointSize">15</double>
+						</object>
+						<object class="NSFont" key="IBUIFont" id="701288525">
+							<string key="NSName">HelveticaNeue-Bold</string>
+							<double key="NSSize">15</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUIButton" id="777937896">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{388, 340}, {288, 37}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="251662012"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+						<int key="IBUIButtonType">1</int>
+						<reference key="IBUINormalTitleColor" ref="963949535"/>
+						<reference key="IBUIHighlightedTitleColor" ref="380594171"/>
+						<string key="IBUINormalTitle">Post Photo</string>
+						<reference key="IBUIDisabledTitleColor" ref="248341095"/>
+						<reference key="IBUINormalTitleShadowColor" ref="462923118"/>
+						<reference key="IBUIFontDescription" ref="41516072"/>
+						<reference key="IBUIFont" ref="701288525"/>
+					</object>
+					<object class="IBUIButton" id="251662012">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{92, 385}, {288, 37}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="463337385"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+						<int key="IBUIButtonType">1</int>
+						<reference key="IBUINormalTitleColor" ref="963949535"/>
+						<reference key="IBUIHighlightedTitleColor" ref="380594171"/>
+						<string key="IBUINormalTitle">Pick Some Friends</string>
+						<reference key="IBUIDisabledTitleColor" ref="248341095"/>
+						<reference key="IBUINormalTitleShadowColor" ref="462923118"/>
+						<reference key="IBUIFontDescription" ref="41516072"/>
+						<reference key="IBUIFont" ref="701288525"/>
+					</object>
+					<object class="IBUIButton" id="463337385">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{388, 385}, {288, 37}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+						<int key="IBUIButtonType">1</int>
+						<reference key="IBUINormalTitleColor" ref="963949535"/>
+						<reference key="IBUIHighlightedTitleColor" ref="380594171"/>
+						<string key="IBUINormalTitle">Pick Place</string>
+						<reference key="IBUIDisabledTitleColor" ref="248341095"/>
+						<reference key="IBUINormalTitleShadowColor" ref="462923118"/>
+						<reference key="IBUIFontDescription" ref="41516072"/>
+						<reference key="IBUIFont" ref="701288525"/>
+					</object>
+				</array>
+				<string key="NSFrame">{{0, 20}, {768, 1004}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
+				<reference key="NSNextKeyView" ref="566266441"/>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">3</int>
+					<bytes key="NSWhite">MQA</bytes>
+					<reference key="NSCustomColorSpace" ref="553252529"/>
+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics">
+					<int key="IBUIStatusBarStyle">2</int>
+				</object>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<bool key="usesAutoincrementingIDs">NO</bool>
+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
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diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPhone.xib
new file mode 100644
index 0000000..c9f4ab2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/HFViewController_iPhone.xib
@@ -0,0 +1,394 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/main.m b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/main.m
new file mode 100644
index 0000000..41c527a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/HelloFacebookSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "HFAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([HFAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/ReadMe.txt
new file mode 100644
index 0000000..3ede52d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/HelloFacebookSample/ReadMe.txt
@@ -0,0 +1,12 @@
+Hello Facebook sample
+
+This sample demonstrates some basic usage of the Facebook SDK, including:
+- Using the FBLoginView class to display Login/Logout functionality.
+- Using the FBProfilePictureView to display a user's profile picture.
+- Using FBRequest to post a status update and a photo.
+- Using FBFriendPickerViewController to display the user's friends and let them select a set of friends.
+- Using FBPlacePickerViewController to display a list of nearby places and let the user select one
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the HelloFacebookSample project using Xcode from the <Facebook SDK>/samples/HelloFacebookSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..b7ea5a2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample.xcodeproj/project.pbxproj
@@ -0,0 +1,351 @@
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+				85C69D9D1602B105008AD9A0 /* Default@2x.png */,
+				85AFB511158FA0A6000AF7F5 /* Icon-72.png */,
+				85AFB512158FA0A6000AF7F5 /* Icon-72@2x.png */,
+				85AFB513158FA0A6000AF7F5 /* Icon.png */,
+				85AFB514158FA0A6000AF7F5 /* Icon@2x.png */,
+				B9AF4BB0152E43EE00E9BA6C /* PlacePickerSample-Info.plist */,
+				B9AF4BB1152E43EE00E9BA6C /* InfoPlist.strings */,
+				B9AF4BB4152E43EE00E9BA6C /* main.m */,
+				B9AF4BB6152E43EE00E9BA6C /* PlacePickerSample-Prefix.pch */,
+			);
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+			sourceTree = "<group>";
+		};
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+
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+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = PlacePickerSample;
+			productName = PlacePickerSample;
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+			);
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+/* End PBXProject section */
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+/* Begin PBXResourcesBuildPhase section */
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+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		B9AF4BA0152E43EE00E9BA6C /* Sources */ = {
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+			buildActionMask = 2147483647;
+			files = (
+				B9AF4BB5152E43EE00E9BA6C /* main.m in Sources */,
+				B9AF4BB9152E43EE00E9BA6C /* PPAppDelegate.m in Sources */,
+				B9AF4BBC152E43EE00E9BA6C /* PPViewController.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin PBXVariantGroup section */
+		B9AF4BB1152E43EE00E9BA6C /* InfoPlist.strings */ = {
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+			children = (
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+			);
+			name = InfoPlist.strings;
+			sourceTree = "<group>";
+		};
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+			children = (
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+/* Begin XCBuildConfiguration section */
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+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		B9AF4BC4152E43EE00E9BA6C /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
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+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
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+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				OTHER_LDFLAGS = "-ObjC";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		B9AF4BC6152E43EE00E9BA6C /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "PlacePickerSample/PlacePickerSample-Prefix.pch";
+				INFOPLIST_FILE = "PlacePickerSample/PlacePickerSample-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Debug;
+		};
+		B9AF4BC7152E43EE00E9BA6C /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "PlacePickerSample/PlacePickerSample-Prefix.pch";
+				INFOPLIST_FILE = "PlacePickerSample/PlacePickerSample-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		B9AF4B9E152E43EE00E9BA6C /* Build configuration list for PBXProject "PlacePickerSample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				B9AF4BC3152E43EE00E9BA6C /* Debug */,
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+			defaultConfigurationName = Release;
+		};
+		B9AF4BC5152E43EE00E9BA6C /* Build configuration list for PBXNativeTarget "PlacePickerSample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				B9AF4BC6152E43EE00E9BA6C /* Debug */,
+				B9AF4BC7152E43EE00E9BA6C /* Release */,
+			);
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = B9AF4B9B152E43EE00E9BA6C /* Project object */;
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diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/Icon@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.h b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.h
new file mode 100644
index 0000000..ca4e61d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Place Picker sample application
+//
+// The purpose of this sample application is to provide a very simple 
+// example of the FBPlacePickerViewController, without other bells and
+// whistles to destract from the widget. This is a single-view application
+// with simplistic authentication with Facebook. The view-controller for
+// the applicaiton (ViewController) inherits FBPlacePicerViewController.
+
+@class PPViewController;
+
+@interface PPAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) PPViewController *viewController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.m b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.m
new file mode 100644
index 0000000..aec4fcf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPAppDelegate.m
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "PPAppDelegate.h"
+#import "PPViewController.h"
+
+@implementation PPAppDelegate
+
+@synthesize window = _window;
+@synthesize viewController = _viewController;
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.viewController = [[PPViewController alloc] initWithNibName:@"PPViewController_iPhone" bundle:nil];
+    } else {
+        self.viewController = [[PPViewController alloc] initWithNibName:@"PPViewController_iPad" bundle:nil];
+    }
+    self.viewController.wantsFullScreenLayout = YES;
+    self.window.rootViewController = self.viewController;
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+// FBSample logic
+// In the login workflow, the Facebook native application, or Safari will transition back to
+// this applicaiton via a url following the scheme fb[app id]://; the call to handleOpenURL
+// below captures the token, in the case of success, on behalf of the FBSession object
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+    [FBAppCall handleDidBecomeActive];
+}
+
+// FBSample logic
+// It is important to close any FBSession object that is no longer useful
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Close the session token before quitting
+    [FBSession.activeSession close];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.h b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.h
new file mode 100644
index 0000000..41ea14a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <CoreLocation/CoreLocation.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface PPViewController : FBPlacePickerViewController <UISearchDisplayDelegate, UISearchBarDelegate>
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.m b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.m
new file mode 100644
index 0000000..5d7cfff
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PPViewController.m
@@ -0,0 +1,213 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <FacebookSDK/FacebookSDK.h>
+#import "PPViewController.h"
+#import "PPAppDelegate.h"
+
+enum SampleLocation {
+    SampleLocationSeattle,
+    SampleLocationSanFrancisco,
+    SampleLocationGPS,
+};
+
+// FBSample logic
+// We need to handle some of the UX events related to friend selection, and so we declare
+// that we implement the FBPlacePickerDelegate here; the delegate lets us filter the view
+// as well as handle selection events
+@interface PPViewController () <CLLocationManagerDelegate, FBPlacePickerDelegate>
+
+@property (strong, nonatomic) CLLocationManager *locationManager;
+@property (nonatomic) NSInteger viewStateSearchScopeIndex;
+@property (nonatomic, copy) NSString *viewStateSearchText;
+@property (nonatomic) BOOL viewStateSearchWasActive;
+
+- (void)refresh;
+
+@end
+
+@implementation PPViewController
+
+@synthesize locationManager = _locationManager;
+@synthesize viewStateSearchScopeIndex = _viewStateSearchScopeIndex;
+@synthesize viewStateSearchText = _viewStateSearchText;
+@synthesize viewStateSearchWasActive = _viewStateSearchWasActive;
+
+// FBSample logic
+// This method is responsible for keeping UX and session state in sync
+- (void)refresh {
+    // if the session is open, then load the data for our view controller
+    if (FBSession.activeSession.isOpen) {
+        // Default to Seattle, this method calls loadData
+        [self searchDisplayController:nil shouldReloadTableForSearchScope:SampleLocationSeattle];
+    } else { 
+        // if the session isn't open, we open it here, which may cause UX to log in the user
+        [FBSession openActiveSessionWithReadPermissions:nil
+                                           allowLoginUI:YES
+                                      completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                          if (!error) {
+                                              [self refresh];
+                                          } else {
+                                              [[[UIAlertView alloc] initWithTitle:@"Error"
+                                                                          message:error.localizedDescription
+                                                                         delegate:nil
+                                                                cancelButtonTitle:@"OK"
+                                                                otherButtonTitles:nil]
+                                               show];
+                                          }
+                                      }];
+    }
+}
+
+- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption {
+    switch (searchOption) {
+        case SampleLocationSeattle:
+            // FBSample logic
+            // After setting the coordinates for the data we wish to fetch, we call loadData to initiate 
+            // the actual network round-trip with Facebook; likewise for the other two locations
+            self.locationCoordinate = CLLocationCoordinate2DMake(47.6097, -122.3331);
+            [self loadData];
+            break;
+        case SampleLocationSanFrancisco:
+            self.locationCoordinate = CLLocationCoordinate2DMake(37.7750, -122.4183);
+            [self loadData];
+            break;
+        case SampleLocationGPS:
+            self.locationManager = [[CLLocationManager alloc] init];
+            self.locationManager.delegate = self;
+            [self.locationManager startUpdatingLocation];
+            break;
+    }
+    
+    // When startUpdatingLocation/loadData finish, we will reload then.
+    return NO;
+}
+
+- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString {
+    // FBSample logic
+    // When search text changes, we update the property on our base class, and then refetch data; the 
+    // Scrumptious sample shows a more complex implementation of this, where frequent updates are aggregated,
+    // and fetching happens on a timed basis to avoid becomming to chatty with the server; this sample takes
+    // a more simplistic approach
+    self.searchText = searchString;
+    [self loadData];
+
+    // Setting self.searchText will reload the table when results arrive
+    return NO;
+}
+
+- (void)searchDisplayControllerDidEndSearch:(UISearchDisplayController *)controller
+{
+    [self.tableView reloadData];
+}
+
+- (void)placePickerViewControllerSelectionDidChange:(FBPlacePickerViewController *)placePicker
+{
+    // FBSample logic
+    // Here we see a use of the FBGraphPlace protocol, where our code can use dot-notation to 
+    // select name and location data from the selected place
+    id<FBGraphPlace> place = placePicker.selection;
+
+    // Make sure that we don't show message when the same row is being clicked twice (to be deselected)
+    if(!place) {
+        return;
+    }
+ 
+    // we'll use logging to show the simple typed property access to place and location info
+    NSString *infoMessage = [NSString localizedStringWithFormat:@"place=%@\n city=%@, state=%@\n lat=%@\n long=%@\n",
+                             place.name,
+                             place.location.city,
+                             place.location.state,
+                             place.location.latitude,
+                             place.location.longitude];
+    
+    NSLog(@"%@", infoMessage);
+    
+    // Sample action for place selection completed action
+    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Place selected"
+                                                        message:infoMessage
+                                                       delegate:nil
+                                              cancelButtonTitle:@"OK"
+                                              otherButtonTitles:nil];
+    [alertView show];
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    
+    // FBSample logic
+    // We are inheriting FBPlacePickerViewController, and so in order to handle events such
+    // as selection change, we set our base class' delegate property to self
+    self.delegate = self;
+
+    self.searchDisplayController.searchResultsDataSource = self.tableView.dataSource;
+    self.searchDisplayController.searchResultsDelegate = self.tableView.delegate;
+
+    if (self.viewStateSearchText) {
+        [self.searchDisplayController.searchBar
+         setSelectedScopeButtonIndex:self.viewStateSearchScopeIndex];
+        [self.searchDisplayController.searchBar setText:self.viewStateSearchText];
+        [self.searchDisplayController setActive:self.viewStateSearchWasActive];
+        
+        self.viewStateSearchText = nil;
+    }
+
+    [self refresh];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+    [super viewDidDisappear:animated];
+
+    self.viewStateSearchScopeIndex = [self.searchDisplayController.searchBar selectedScopeButtonIndex];
+    self.viewStateSearchText = [self.searchDisplayController.searchBar text];
+    self.viewStateSearchWasActive = [self.searchDisplayController isActive];
+}
+
+- (void)placePickerViewControllerDataDidChange:(FBPlacePickerViewController *)placePicker {
+    [self.searchDisplayController.searchResultsTableView reloadData];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+}
+
+#pragma mark - Location Manager delegate
+
+- (void)locationManager:(CLLocationManager *)manager
+	didUpdateToLocation:(CLLocation *)newLocation
+           fromLocation:(CLLocation *)oldLocation {
+    if (newLocation.horizontalAccuracy < 100) {
+        // We wait for a precision of 100m and turn the GPS off
+        [self.locationManager stopUpdatingLocation];
+        self.locationManager = nil;
+        
+        self.locationCoordinate = newLocation.coordinate;
+        [self loadData];
+    }
+}
+
+#pragma mark - UISearchBarDelegate Methods
+// Just set the search string to an empty string and inform
+// the delegate (self) to reload data
+- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
+{
+  self.searchText = @"";
+  [self loadData];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Info.plist b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Info.plist
new file mode 100644
index 0000000..edbb1a5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Info.plist
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.placepicker</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb378281678861098</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>378281678861098</string>
+	<key>FacebookDisplayName</key>
+	<string>PlacePickerSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Prefix.pch
new file mode 100644
index 0000000..7c17baa
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/PlacePickerSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'PlacePickerSample' target in the 'PlacePickerSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPad.xib
new file mode 100644
index 0000000..db10d23
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPad.xib
@@ -0,0 +1,303 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1280</int>
+		<string key="IBDocument.SystemVersion">12E55</string>
+		<string key="IBDocument.InterfaceBuilderVersion">4504</string>
+		<string key="IBDocument.AppKitVersion">1187.39</string>
+		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">3734.1</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUISearchBar</string>
+			<string>IBUISearchDisplayController</string>
+			<string>IBUITableView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBProxyObject" id="606714003">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBUIView" id="766721923">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
+					<object class="IBUITableView" id="210645484">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">274</int>
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+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
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+						<object class="NSColor" key="IBUIBackgroundColor">
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+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<bool key="IBUIAlwaysBounceVertical">YES</bool>
+						<int key="IBUISeparatorStyle">1</int>
+						<int key="IBUISectionIndexMinimumDisplayRowCount">0</int>
+						<bool key="IBUIShowsSelectionImmediatelyOnTouchBegin">YES</bool>
+						<float key="IBUIRowHeight">44</float>
+						<float key="IBUISectionHeaderHeight">22</float>
+						<float key="IBUISectionFooterHeight">22</float>
+					</object>
+					<object class="IBUISearchBar" id="923567084">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">290</int>
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+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="210645484"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<int key="IBUIContentMode">3</int>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<object class="IBUITextInputTraits" key="IBTextInputTraits">
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						</object>
+						<array key="IBScopeButtonTitles">
+							<string>Seattle</string>
+							<string>San Francisco</string>
+							<string>GPS</string>
+						</array>
+						<bool key="IBShowsScopeBar">YES</bool>
+					</object>
+				</array>
+				<string key="NSFrame">{{0, 20}, {768, 1004}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
+				<reference key="NSNextKeyView" ref="923567084"/>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">3</int>
+					<bytes key="NSWhite">MC42NjY2NjY2NjY3AA</bytes>
+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics">
+					<int key="IBUIStatusBarStyle">2</int>
+				</object>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBUISearchDisplayController" id="164011636">
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<bool key="usesAutoincrementingIDs">NO</bool>
+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="766721923"/>
+					</object>
+					<string key="id">3</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">tableView</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="210645484"/>
+					</object>
+					<string key="id">27</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">searchDisplayController</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="164011636"/>
+					</object>
+					<string key="id">33</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="923567084"/>
+						<reference key="destination" ref="841351856"/>
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+					<string key="id">38</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">searchBar</string>
+						<reference key="source" ref="164011636"/>
+						<reference key="destination" ref="923567084"/>
+					</object>
+					<string key="id">32</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">searchContentsController</string>
+						<reference key="source" ref="164011636"/>
+						<reference key="destination" ref="841351856"/>
+					</object>
+					<string key="id">34</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">searchResultsDataSource</string>
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+					</object>
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+				<object class="IBConnectionRecord">
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+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="26.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="30.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="31.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
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+		</object>
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+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
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+					<string key="superclassName">FBViewController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="spinner">UIActivityIndicatorView</string>
+						<string key="tableView">UITableView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="spinner">
+							<string key="name">spinner</string>
+							<string key="candidateClassName">UIActivityIndicatorView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tableView">
+							<string key="name">tableView</string>
+							<string key="candidateClassName">UITableView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/FBPlacePickerViewController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">FBViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="cancelButton">UIBarButtonItem</string>
+						<string key="delegate">id</string>
+						<string key="doneButton">UIBarButtonItem</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="cancelButton">
+							<string key="name">cancelButton</string>
+							<string key="candidateClassName">UIBarButtonItem</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="delegate">
+							<string key="name">delegate</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="doneButton">
+							<string key="name">doneButton</string>
+							<string key="candidateClassName">UIBarButtonItem</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
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+					</object>
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+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
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+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
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diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPhone.xib
new file mode 100644
index 0000000..39603e1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/en.lproj/PPViewController_iPhone.xib
@@ -0,0 +1,245 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1280</int>
+		<string key="IBDocument.SystemVersion">12E55</string>
+		<string key="IBDocument.InterfaceBuilderVersion">4504</string>
+		<string key="IBDocument.AppKitVersion">1187.39</string>
+		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">3734.1</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUISearchBar</string>
+			<string>IBUISearchDisplayController</string>
+			<string>IBUITableView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBProxyObject" id="843779117">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUIView" id="774585933">
+				<nil key="NSNextResponder"/>
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diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/main.m b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/main.m
new file mode 100644
index 0000000..0c5db35
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/PlacePickerSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "PPAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([PPAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/PlacePickerSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/ReadMe.txt
new file mode 100644
index 0000000..924e2e9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/PlacePickerSample/ReadMe.txt
@@ -0,0 +1,9 @@
+PlacePickerSample
+
+Demonstrates how to use the FBPlacePickerViewController provided with
+the Facebook SDK for iOS.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the PlacePickerSample project using Xcode from the
+<Facebook SDK>/samples/PlacePickerSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..6143752
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample.xcodeproj/project.pbxproj
@@ -0,0 +1,351 @@
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+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
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+			name = Release;
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+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
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+			};
+			name = Debug;
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+			buildSettings = {
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+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "ProfilePictureSample/ProfilePictureSample-Prefix.pch";
+				INFOPLIST_FILE = "ProfilePictureSample/ProfilePictureSample-Info.plist";
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+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
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+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = B98686AF151D0B3700616412 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon-72.png b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon-72.png
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon-72@2x.png b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon-72@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon.png b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon.png
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/Icon@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.h b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.h
new file mode 100644
index 0000000..5bc1930
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import <UIKit/UIKit.h>
+
+// Profile Picture sample application
+//
+// The purpose of this sample application is to provide an example of 
+// how use the profile picture view to display a Facebook profile picture
+
+@class PPViewController;
+
+@interface PPAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (retain, nonatomic) UIWindow *window;
+@property (retain, nonatomic) PPViewController *viewController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.m b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.m
new file mode 100644
index 0000000..bee7d8e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPAppDelegate.m
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "PPAppDelegate.h"
+#import "PPViewController.h"
+#import <FacebookSDK/FacebookSDK.h>
+
+@implementation PPAppDelegate
+
+@synthesize window = _window;
+@synthesize viewController = _viewController;
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // If you have not added the -ObjC linker flag, you may need to uncomment the following line because
+    // Nib files require the type to have been loaded before they can do the wireup successfully.  
+    // http://stackoverflow.com/questions/1725881/unknown-class-myclass-in-interface-builder-file-error-at-runtime
+    // [FBProfilePictureView class];
+     
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.viewController = [[PPViewController alloc] initWithNibName:@"PPViewController_iPhone" bundle:nil];
+    } else {
+        self.viewController = [[PPViewController alloc] initWithNibName:@"PPViewController_iPad" bundle:nil];
+    }
+    self.viewController.wantsFullScreenLayout = YES;
+    self.window.rootViewController = self.viewController;
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.h b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.h
new file mode 100644
index 0000000..840653f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface PPViewController : UIViewController
+
+// FBSample logic
+// The views and view controllers in the SDK are designed to fit into your application in 
+// a similar fashion to other framework and custom view classes; this is an example of a 
+// typical outlet for the FBPriflePictureView
+@property (retain, nonatomic) IBOutlet FBProfilePictureView *profilePictureView;
+@property (retain, nonatomic) IBOutlet UIView *profilePictureOuterView;
+
+- (IBAction)showJasonProfile:(id)sender;
+- (IBAction)showMichaelProfile:(id)sender;
+- (IBAction)showVijayeProfile:(id)sender;
+- (IBAction)showRandomProfile:(id)sender;
+- (IBAction)showNoProfile:(id)sender;
+
+- (IBAction)makePictureOriginal:(id)sender;
+- (IBAction)makePictureSquare:(id)sender;
+
+- (IBAction)makeViewSmall:(id)sender;
+- (IBAction)makeViewLarge:(id)sender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.m b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.m
new file mode 100644
index 0000000..fb23669
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/PPViewController.m
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "PPViewController.h"
+
+// FBSample logic
+// You may set the profile for an FBProfilePictureView to either an fbid
+// or to a vanity name for the profile; the following list provides
+// examples of each approach, used by the random feature of the sample
+const char *interestingIDs[] = {
+    "zuck",
+    // Recent Presidents and nominees
+    "barackobama",
+    "mittromney",
+    "johnmccain",
+    "johnkerry",
+    "georgewbush",
+    "algore",
+    // Places too!
+    "Disneyland",
+    "SpaceNeedle",
+    "TourEiffel",
+    "sydneyoperahouse",
+    // A selection of 1986 Mets
+    "166020963458360",
+    "108084865880237",
+    "140447466087679",
+    "111825495501392",
+    // The cast of Saved by the Bell
+    "108168249210849",
+    "TiffaniThiessen",
+    "108126672542534",
+    "112886105391693",
+    "MarioLopezExtra",
+    "108504145837165",
+    "dennishaskins",
+    // Eighties bands that have been to Moscow 
+    "7220821999",
+    "31938132882",
+    "108023262558391",
+    "209263392372",
+    "104132506290482",
+    "9721897972",
+    "5461947317",
+    "57084011597",
+    // Three people that have never been in my kitchen
+    "24408579964",
+    "111980872152571",
+    "112427772106500",
+    // Trusted anchormen
+    "113415525338717",
+    "105628452803615",
+    "105533779480538",
+};
+const int kNumInterestingIDs = sizeof(interestingIDs) / sizeof(interestingIDs[0]);
+
+@interface PPViewController ()
+
+@end
+
+@implementation PPViewController
+@synthesize profilePictureView;
+@synthesize profilePictureOuterView;
+
+- (IBAction)showJasonProfile:(id)sender {
+    // FBSample logic
+    // The following example uses an fbid to indicate which profile
+    // picture to display, however a vanity name would work as well
+    profilePictureView.profileID = @"100002768941660";
+}
+
+- (IBAction)showMichaelProfile:(id)sender {
+    // FBSample logic
+    // This example and the one after it, in contrast to the prvious one, 
+    // uses a vanity name to indicate which profile picture to display
+    profilePictureView.profileID = @"michael.marucheck";
+}
+
+- (IBAction)showVijayeProfile:(id)sender {
+    profilePictureView.profileID = @"vijaye";
+}
+
+- (IBAction)showRandomProfile:(id)sender {
+    int index = arc4random() % kNumInterestingIDs;
+    profilePictureView.profileID = [NSString stringWithCString:interestingIDs[index]
+                                                   encoding:NSASCIIStringEncoding];
+}
+
+- (IBAction)showNoProfile:(id)sender {
+    profilePictureView.profileID = nil;
+}
+
+// Cropping selections
+
+// FBSample logic
+// Set the cropping for the profile picture view
+- (IBAction)makePictureOriginal:(id)sender {
+    profilePictureView.pictureCropping = FBProfilePictureCroppingOriginal;
+}
+
+- (IBAction)makePictureSquare:(id)sender {
+    profilePictureView.pictureCropping = FBProfilePictureCroppingSquare;
+}
+
+
+// View size mods
+
+- (IBAction)makeViewSmall:(id)sender {
+    profilePictureOuterView.bounds = CGRectMake(0, 0, 100, 100);
+}
+
+- (IBAction)makeViewLarge:(id)sender {
+    profilePictureOuterView.bounds = CGRectMake(0, 0, 220, 220);
+}
+
+#pragma mark -
+#pragma mark Template generated code
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    [self makeViewLarge:nil];
+    profilePictureView.profileID = @"45963418107"; // Hello world
+}
+
+- (void)viewDidUnload {
+    self.profilePictureView = nil;
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Info.plist b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Info.plist
new file mode 100644
index 0000000..18d68f5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Info.plist
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.samples.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>FacebookAppID</key>
+	<string>309692849172593</string>
+	<key>FacebookDisplayName</key>
+	<string>ProfilePictureSample</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLName</key>
+			<string>fb309692849172593</string>
+		</dict>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Prefix.pch
new file mode 100644
index 0000000..e7470e5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/ProfilePictureSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'ProfilePictureSample' target in the 'ProfilePictureSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPad.xib
new file mode 100644
index 0000000..456fa71
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPad.xib
@@ -0,0 +1,711 @@
+<?xml version="1.0" encoding="UTF-8"?>
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+		<string key="IBDocument.HIToolboxVersion">626.00</string>
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+		</object>
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+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
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+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
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diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPhone.xib
new file mode 100644
index 0000000..e7435c5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/en.lproj/PPViewController_iPhone.xib
@@ -0,0 +1,710 @@
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+						<string key="makeViewSmall:">id</string>
+						<string key="showJasonProfile:">id</string>
+						<string key="showMichaelProfile:">id</string>
+						<string key="showNoProfile:">id</string>
+						<string key="showRandomProfile:">id</string>
+						<string key="showVijayeProfile:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="makePictureOriginal:">
+							<string key="name">makePictureOriginal:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="makePictureSquare:">
+							<string key="name">makePictureSquare:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="makeViewLarge:">
+							<string key="name">makeViewLarge:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="makeViewSmall:">
+							<string key="name">makeViewSmall:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showJasonProfile:">
+							<string key="name">showJasonProfile:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showMichaelProfile:">
+							<string key="name">showMichaelProfile:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showNoProfile:">
+							<string key="name">showNoProfile:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showRandomProfile:">
+							<string key="name">showRandomProfile:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showVijayeProfile:">
+							<string key="name">showVijayeProfile:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="profilePictureOuterView">UIView</string>
+						<string key="profilePictureView">FBProfilePictureView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="profilePictureOuterView">
+							<string key="name">profilePictureOuterView</string>
+							<string key="candidateClassName">UIView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="profilePictureView">
+							<string key="name">profilePictureView</string>
+							<string key="candidateClassName">FBProfilePictureView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/PPViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<bool key="IBDocument.previouslyAttemptedUpgradeToXcode5">YES</bool>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1280" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.InterfaceBuilder3</string>
+			<integer value="4600" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<string key="IBCocoaTouchPluginVersion">3734.1</string>
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+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/main.m b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/main.m
new file mode 100644
index 0000000..0c5db35
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ProfilePictureSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "PPAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([PPAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ReadMe.txt
new file mode 100644
index 0000000..39ece1b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/ProfilePictureSample/ReadMe.txt
@@ -0,0 +1,8 @@
+Profile Picture Control sample
+
+Demonstrates how to use the Profile picture control provided with 
+the Facebook SDK for iOS.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the ProfilePictureSample project using Xcode from the <Facebook SDK>/samples/ProfilePictureSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..7ee7453
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample.xcodeproj/project.pbxproj
@@ -0,0 +1,449 @@
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+			name = Release;
+		};
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/IconFacebook-72@2x.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/IconFacebook-72@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/OGProtocols.h b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/OGProtocols.h
new file mode 100644
index 0000000..56dfe67
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/OGProtocols.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// FBSample logic
+// The protocols here show how to setup typed access to graph and open graph objects.
+// The SDK automatically implements the properties of any protocol derived from
+// FBGraphObject in terms of objectForKey and setObject:forKey; allowing applications
+// to describe the expected structure of the objects used by the application in a
+// lightweight and maintanable fashion. See the FBGraphObject.h header file for more
+// details about FBGraphObject and related types.
+
+// RPSGraphGesture protocol (graph accessors)
+//
+// Summary:
+// Used to create and consume Gesture open graph objects
+@protocol RPSGraphGesture<FBGraphObject>
+
+@property (retain, nonatomic) NSString                  *id;
+@property (retain, nonatomic) NSString                  *url;
+@property (retain, nonatomic) NSString                  *title;
+
+@end
+
+// RPSGraphThrowAction protocol (graph accessors)
+//
+// Summary:
+// Used to create and consume Throw open graph actions
+@protocol RPSGraphThrowAction<FBOpenGraphAction>
+
+@property (retain, nonatomic) id<RPSGraphGesture>    gesture;
+@property (retain, nonatomic) id<RPSGraphGesture>    opposing_gesture;
+
+@end
+
+// RPSGraphPublishedThrowAction protocol (graph accessors)
+//
+// Summary:
+// Used to consume published Throw open graph actions
+@protocol RPSGraphPublishedThrowAction<FBOpenGraphAction>
+
+@property (retain, nonatomic) id<RPSGraphThrowAction> data;
+@property (retain, nonatomic) NSNumber                  *publish_time;
+@property (retain, nonatomic) NSDate                    *publish_date;
+
+@end
+
+// RPSGraphActionList protocol (graph accessors)
+//
+// Summary:
+// Used to consume published collections of open graph actions
+@protocol RPSGraphActionList<FBOpenGraphAction>
+
+@property (retain, nonatomic) NSArray                   *data;
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.h b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.h
new file mode 100644
index 0000000..b281804
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Boolean OG (Rock the Logic!) sample application
+//
+// The purpose of this sample application is to provide an example of 
+// how to publish and read Open Graph actions with Facebook. The goal
+// of the sample is to show how to use FBRequest, FBRequestConnection,
+// and FBSession classes, as well as the FBOpenGraphAction protocol and
+// related types in order to create a social app using Open Graph
+
+@interface RPSAppDelegate : UIResponder <UIApplicationDelegate, UITabBarControllerDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+//@property (strong, nonatomic) UITabBarController *tabBarController;
+@property (strong, nonatomic) UINavigationController *navigationController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.m b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.m
new file mode 100644
index 0000000..de7ea2d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSAppDelegate.m
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "RPSAppDelegate.h"
+#import "RPSGameViewController.h"
+#import "RPSFriendsViewController.h"
+
+@implementation RPSAppDelegate
+
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+    [FBAppCall handleDidBecomeActive];
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // all good things must come to an end
+    // this is a good idea because things may be hanging off the session, that need 
+    // releasing (completion block, etc.) and other components in the app may be awaiting
+    // close notification in order to do cleanup
+    [FBSession.activeSession close];
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    // Override point for customization after application launch.
+    
+#ifdef DEBUG
+    [FBSettings enableBetaFeature:FBBetaFeaturesOpenGraphShareDialog | FBBetaFeaturesShareDialog];
+#endif
+    UIViewController *viewControllerGame;
+    FBUserSettingsViewController *viewControllerSettings;
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        viewControllerGame = [[RPSGameViewController alloc] initWithNibName:@"RPSGameViewController_iPhone" bundle:nil];
+    } else {
+        viewControllerGame = [[RPSGameViewController alloc] initWithNibName:@"RPSGameViewController_iPad" bundle:nil];
+    }
+    viewControllerSettings = [[FBUserSettingsViewController alloc] init];
+    viewControllerSettings.title = @"Facebook Settings";
+    viewControllerSettings.tabBarItem.image = [UIImage imageNamed:@"second"];
+        
+    self.navigationController = [[UINavigationController alloc] initWithRootViewController:viewControllerGame];
+    self.window.rootViewController = self.navigationController;
+    [self.window makeKeyAndVisible];
+
+    [FBSession openActiveSessionWithAllowLoginUI:NO];
+    
+    return YES;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSCommonObjects.m b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSCommonObjects.m
new file mode 100644
index 0000000..2c3445b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSCommonObjects.m
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+NSString *builtInOpenGraphObjects[3] = {
+                                        @"349677488467004",      // rock
+                                        @"231845580291424",      // paper
+                                        @"120373648159839"};     // scissors
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.h b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.h
new file mode 100644
index 0000000..72881ef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface RPSFriendsViewController : FBFriendPickerViewController
+
+@property (strong, nonatomic) IBOutlet UITextView *activityTextView;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *inviteButton;
+
+- (IBAction)clickInviteFriends:(id)sender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.m b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.m
new file mode 100644
index 0000000..3b81969
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSFriendsViewController.m
@@ -0,0 +1,235 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "RPSFriendsViewController.h"
+#import "RPSAppDelegate.h"
+#import "OGProtocols.h"
+
+@interface RPSFriendsViewController () <FBFriendPickerDelegate, UIAlertViewDelegate>
+
+@property (readwrite, nonatomic, copy) NSString *fbidSelection;
+@property (readwrite, nonatomic, retain) FBFrictionlessRecipientCache *friendCache;
+
+- (void)updateActivityForID:(NSString *)fbid;
+
+@end
+
+@implementation RPSFriendsViewController
+
+@synthesize activityTextView = _activityTextView;
+@synthesize friendCache = _friendCache;
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.title = NSLocalizedString(@"Rock w/Friends", @"Rock w/Friends");
+        self.fieldsForRequest = [NSSet setWithObject:@"installed"];
+        self.allowsMultipleSelection = NO;
+        self.delegate = self;
+    }
+    return self;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.doneButton = nil;
+}
+
+- (void)refreshView {
+    [self loadData];
+    
+    // we use frictionless requests, so let's get a cache and request the
+    // current list of frictionless friends before enabling the invite button
+    if (!self.friendCache) {
+        self.friendCache = [[FBFrictionlessRecipientCache alloc] init];
+        [self.friendCache prefetchAndCacheForSession:nil
+                                   completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                                       
+                                       self.inviteButton.enabled = YES;
+                                   }];
+    } else  {
+        // if we already have a primed cache, let's just run with it
+        self.inviteButton.enabled = YES;
+    }
+}
+
+#pragma mark - View lifecycle
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    if (FBSession.activeSession.isOpen) {
+        [self refreshView];
+    } else {
+        self.inviteButton.enabled = NO;
+        self.friendCache = nil;
+        
+        // display the message that we have
+        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Log In with Facebook"
+                                                        message:@"When you Log In with Facebook, you can view "
+                                                                @"friends' activity within Rock Paper Scissors, and "
+                                                                @"invite friends to play.\n\n"
+                                                                @"What would you like to do?"
+                                                       delegate:self
+                                              cancelButtonTitle:@"Do Nothing"
+                                              otherButtonTitles:@"Log In", nil];
+        [alert show];
+    }
+}
+
+- (void)viewDidUnload {
+    self.activityTextView = nil;
+
+    [self setInviteButton:nil];
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+#pragma mark - FBFriendPickerDelegate implementation
+
+// FBSample logic
+// The following two methods implement the FBFriendPickerDelegate protocol. This shows an example of two
+// interesting SDK features: 1) filtering support in the friend picker, 2) the "installed" field field when
+// fetching me/friends. Filtering lets you choose whether or not to display each friend, based on application
+// determined criteria; the installed field is present (and true) if the friend is also a user of the calling
+// application.
+
+- (void)friendPickerViewControllerSelectionDidChange:(FBFriendPickerViewController *)friendPicker {
+    self.activityTextView.text = @"";
+    if (friendPicker.selection.count) {
+        [self updateActivityForID:[[friendPicker.selection objectAtIndex:0] id]];
+    } else {
+        self.fbidSelection = nil;
+    }
+}
+
+- (BOOL)friendPickerViewController:(FBFriendPickerViewController *)friendPicker
+                 shouldIncludeUser:(id <FBGraphUser>)user {
+    return [[user objectForKey:@"installed"] boolValue];     
+}
+
+#pragma mark - private methods
+
+// FBSample logic
+// This is the workhorse method of this view. It updates the textView with the activity of a given user. It 
+// accomplishes this by fetching the "throw" actions for the selected user.
+- (void)updateActivityForID:(NSString *)fbid {
+    
+    // keep track of the selction
+    self.fbidSelection = fbid;
+
+    // create a request for the "throw" activity
+    FBRequest *playActivity = [FBRequest requestForGraphPath:[NSString stringWithFormat:@"%@/fb_sample_rps:throw", fbid]];
+    [playActivity.parameters setObject:@"U" forKey:@"date_format"];
+    
+    // this block is the one that does the real handling work for the requests
+    void (^handleBlock)(id) = ^(id<RPSGraphActionList> result) {
+        if (result) {
+            for (id<RPSGraphPublishedThrowAction> entry in result.data) {
+                // we  translate the date into something useful for sorting and displaying
+                entry.publish_date = [NSDate dateWithTimeIntervalSince1970:entry.publish_time.intValue];
+            }
+        }
+
+        // sort the array by date
+        NSMutableArray *activity = [NSMutableArray arrayWithArray:result.data];
+        [activity sortUsingComparator:^NSComparisonResult(id<RPSGraphPublishedThrowAction> obj1,
+                                                          id<RPSGraphPublishedThrowAction> obj2) {
+            if (obj1.publish_date && obj2.publish_date) {
+                return [obj2.publish_date compare:obj1.publish_date];
+            }
+            return NSOrderedSame;
+        }];
+            
+        NSMutableString *output = [NSMutableString string];
+        for (id<RPSGraphPublishedThrowAction> entry in activity) {
+            NSDateComponents *c = [[NSCalendar currentCalendar]
+                                   components:NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit
+                                   fromDate:entry.publish_date];
+            [output appendFormat:@"%02d/%02d/%02d - %@ %@ %@\n",
+             c.month,
+             c.day,
+             c.year,
+             entry.data.gesture.title,
+             @"vs",
+             entry.data.opposing_gesture.title];
+        }
+        self.activityTextView.text = output;
+    };
+    
+    // this is an example of a batch request using FBRequestConnection; we accomplish this by adding
+    // two request objects to the connection, and then calling start; note that each request handles its
+    // own response, despite the fact that the SDK is serializing them into a single request to the server
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:playActivity
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             handleBlock(result);
+         }];
+    // start the actual request
+    [connection start];    
+}
+
+- (IBAction)clickInviteFriends:(id)sender {
+    // if there is a selected user, seed the dialog with that user
+    NSDictionary *parameters = self.fbidSelection ? @{@"to":self.fbidSelection} : nil;
+    [FBWebDialogs presentRequestsDialogModallyWithSession:nil
+                                                  message:@"Please come play RPS with me!"
+                                                    title:@"Invite a Friend"
+                                               parameters:parameters
+                                                  handler:^(FBWebDialogResult result, NSURL *resultURL, NSError *error) {
+                                                      if (result == FBWebDialogResultDialogCompleted) {
+                                                          NSLog(@"Web dialog complete: %@", resultURL);
+                                                      } else {
+                                                          NSLog(@"Web dialog not complete, error: %@", error.description);
+                                                      }
+                                                  }
+                                              friendCache:self.friendCache];
+}
+
+- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
+    switch (buttonIndex) {
+        case 0: // do nothing
+            [self.navigationController popToRootViewControllerAnimated:YES];
+            break;
+        case 1: { // log in
+            // we will update the view *once* upon successful login
+            __block RPSFriendsViewController *me = self;
+            [FBSession openActiveSessionWithReadPermissions:nil
+                                               allowLoginUI:YES
+                                          completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                              if (me) {
+                                                  if (session.isOpen) {
+                                                      [me refreshView];
+                                                  } else {
+                                                      [me.navigationController popToRootViewControllerAnimated:YES];
+                                                  }
+                                                  me = nil;
+                                              }
+                                          }];
+            
+            break;
+        }
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.h b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.h
new file mode 100644
index 0000000..b48ac98
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface RPSGameViewController : UIViewController
+
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *rockLabel;
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *paperLabel;
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *scissorsLabel;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *shootLabel;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UIImageView *playerHand;
+@property (unsafe_unretained, nonatomic) IBOutlet UIImageView *computerHand;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *rockButton;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *paperButton;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *scissorsButton;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *againButton;
+@property (unsafe_unretained, nonatomic) IBOutlet UIButton *facebookButton;
+
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *resultLabel;
+@property (unsafe_unretained, nonatomic) IBOutlet UILabel  *scoreLabel;
+
+- (IBAction)clickRPSButton:(id)sender;
+- (IBAction)clickAgainButton:(id)sender;
+- (IBAction)clickFacebookButton:(id)sender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.m b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.m
new file mode 100644
index 0000000..26cd7eb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSGameViewController.m
@@ -0,0 +1,517 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "RPSGameViewController.h"
+#import "RPSAppDelegate.h"
+#import <FacebookSDK/FacebookSDK.h>
+#import <QuartzCore/QuartzCore.h>
+#import "OGProtocols.h"
+#import "RPSFriendsViewController.h"
+#import <AVFoundation/AVFoundation.h>
+
+typedef enum {
+    RPSCallNone = -1, RPSCallRock = 0, RPSCallPaper = 1, RPSCallScissors = 2 // enum is also used to index arrays
+} RPSCall;
+
+typedef enum {
+    RPSResultWin = 0, RPSResultLoss = 1, RPSResultTie = 2
+} RPSResult;
+
+// Some constants for creating Open Graph objects.
+static NSString *kResults[] = {
+    @"won",
+    @"lost",
+    @"tied"
+};
+
+// We upload photos for games, but we'd like to reuse the same objects during a session.
+static NSString *photoURLs[] = {
+    nil,
+    nil,
+    nil
+};
+
+extern NSString *builtInOpenGraphObjects[3];
+
+typedef void (^RPSBlock)(void);
+
+@interface RPSGameViewController () <UIActionSheetDelegate, UIAlertViewDelegate>
+@end
+
+@implementation RPSGameViewController {
+    BOOL _needsInitialAnimation;
+    BOOL _interestedInImplicitShare;
+    RPSCall _lastPlayerCall, _lastComputerCall;
+    UIImage *_rightImages[3];
+    UIImage *_leftImages[3];
+    UIImage *_imagesToPublish[3];
+    RPSBlock _alertOkHandler;
+    int _wins, _losses, _ties;
+}
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.title = NSLocalizedString(@"You Rock!", @"You Rock!");
+        self.tabBarItem.image = [UIImage imageNamed:@"first"];
+               
+        BOOL ipad = ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad);
+        
+        NSString *rockRight     = ipad ? @"right-rock-128.png"     : @"right-rock-88.png";
+        NSString *paperRight    = ipad ? @"right-paper-128.png"    : @"right-paper-88.png";
+        NSString *scissorsRight = ipad ? @"right-scissors-128.png" : @"right-scissors-88.png";
+
+        NSString *rockLeft     = ipad ? @"left-rock-128.png"     : @"left-rock-88.png";
+        NSString *paperLeft    = ipad ? @"left-paper-128.png"    : @"left-paper-88.png";
+        NSString *scissorsLeft = ipad ? @"left-scissors-128.png" : @"left-scissors-88.png";
+        
+        _rightImages[RPSCallRock] = [UIImage imageNamed:rockRight];
+        _rightImages[RPSCallPaper] = [UIImage imageNamed:paperRight];
+        _rightImages[RPSCallScissors] = [UIImage imageNamed:scissorsRight];
+        
+        _leftImages[RPSCallRock] = [UIImage imageNamed:rockLeft];
+        _leftImages[RPSCallPaper] = [UIImage imageNamed:paperLeft];
+        _leftImages[RPSCallScissors] = [UIImage imageNamed:scissorsLeft];
+        
+        _imagesToPublish[RPSCallRock] = [UIImage imageNamed:@"left-rock-128.png"];
+        _imagesToPublish[RPSCallPaper] = [UIImage imageNamed:@"left-paper-128.png"];
+        _imagesToPublish[RPSCallScissors] = [UIImage imageNamed:@"left-scissors-128.png"];
+        
+        _lastPlayerCall = _lastComputerCall = RPSCallNone;
+        _wins = _losses = _ties = 0;
+        _alertOkHandler = nil;
+        _needsInitialAnimation = YES;
+        _interestedInImplicitShare = YES;
+    }
+    return self;
+}
+
+- (void)viewDidLoad {
+    UIColor *fontColor = self.rockLabel.textColor;
+    [self.rockButton.layer setCornerRadius:8.0];
+    [self.rockButton.layer setBorderWidth:4.0];
+    [self.rockButton.layer setBorderColor:fontColor.CGColor];
+    self.rockButton.clipsToBounds = YES;
+    self.rockButton.tag = RPSCallRock;
+
+    [self.paperButton.layer setCornerRadius:8.0];
+    [self.paperButton.layer setBorderWidth:4.0];
+    [self.paperButton.layer setBorderColor:fontColor.CGColor];
+    self.paperButton.clipsToBounds = YES;
+    self.paperButton.tag = RPSCallPaper;
+    
+    [self.scissorsButton.layer setCornerRadius:8.0];
+    [self.scissorsButton.layer setBorderWidth:4.0];
+    [self.scissorsButton.layer setBorderColor:fontColor.CGColor];
+    self.scissorsButton.clipsToBounds = YES;
+    self.scissorsButton.tag = RPSCallScissors;
+    
+    [self.againButton.layer setCornerRadius:8.0];
+    [self.againButton.layer setBorderWidth:4.0];
+    [self.againButton.layer setBorderColor:fontColor.CGColor];
+    
+    [self.computerHand.layer setCornerRadius:8.0];
+    self.computerHand.layer.shadowColor = [UIColor blackColor].CGColor;
+    self.computerHand.layer.shadowOpacity = 0.5;
+    self.computerHand.layer.shadowRadius = 8;
+    self.computerHand.layer.shadowOffset = CGSizeMake(12.0f, 12.0f);
+    self.computerHand.clipsToBounds = YES;
+    
+    [self.playerHand.layer setCornerRadius:8.0];
+    self.playerHand.layer.shadowColor = [UIColor blackColor].CGColor;
+    self.playerHand.layer.shadowOpacity = 0.5;
+    self.playerHand.layer.shadowRadius = 8;
+    self.playerHand.layer.shadowOffset = CGSizeMake(12.0f, 12.0f);
+    self.playerHand.clipsToBounds = YES;
+    
+    [self.facebookButton.layer setCornerRadius:8.0];
+    [self.facebookButton.layer setBorderWidth:4.0];
+    [self.facebookButton.layer setBorderColor:fontColor.CGColor];
+    self.facebookButton.clipsToBounds = YES;
+        
+    [self updateScoreLabel];
+    [self resetField];
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    self.navigationController.navigationBarHidden = YES;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    if (_needsInitialAnimation) {
+        // get things rolling
+        _needsInitialAnimation = NO;
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, .5 * NSEC_PER_SEC), dispatch_get_current_queue(), ^{
+            [self animateField];
+        });
+    }
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+    self.navigationController.navigationBarHidden = NO;
+}
+
+- (void)viewDidUnload {
+    [self setRockLabel:nil];
+    [self setPaperLabel:nil];
+    [self setScissorsLabel:nil];
+    [self setRockButton:nil];
+    [self setRockButton:nil];
+    [self setPaperButton:nil];
+    [self setScissorsButton:nil];
+    [self setShootLabel:nil];
+    [self setComputerHand:nil];
+    [self setAgainButton:nil];
+    [self setPlayerHand:nil];
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+- (void)resetField {
+    self.rockButton.hidden =
+    self.paperButton.hidden =
+    self.scissorsButton.hidden =
+    self.rockLabel.hidden =
+    self.paperLabel.hidden =
+    self.scissorsLabel.hidden =
+    self.shootLabel.hidden =
+    self.computerHand.hidden =
+    self.playerHand.hidden =
+    self.againButton.hidden = YES;
+    
+    self.rockButton.enabled =
+    self.paperButton.enabled =
+    self.scissorsButton.enabled = NO;
+    
+    self.resultLabel.text = @"";
+}
+
+- (void)setFieldForPlayAgain {
+    self.shootLabel.hidden =
+    self.rockButton.hidden =
+    self.paperButton.hidden =
+    self.scissorsButton.hidden = YES;
+    
+    self.playerHand.hidden =
+    self.againButton.hidden = NO;
+}
+
+- (void)animateField {
+    // rock
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, .5 * NSEC_PER_SEC), dispatch_get_current_queue(), ^{
+        self.rockLabel.hidden = NO;
+        self.rockButton.hidden = NO;
+        
+        // paper
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_current_queue(), ^{
+            self.paperLabel.hidden = NO;
+            self.paperButton.hidden = NO;
+            
+            // scissors
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_current_queue(), ^{
+                self.scissorsLabel.hidden = NO;
+                self.scissorsButton.hidden = NO;
+                
+                // shoot!
+                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_current_queue(), ^{
+                    self.shootLabel.hidden =
+                    self.computerHand.hidden = NO;
+                    self.rockButton.enabled =
+                    self.paperButton.enabled =
+                    self.scissorsButton.enabled = YES;
+                    
+                    self.computerHand.animationImages = @[ _rightImages[RPSCallRock], _rightImages[RPSCallPaper], _rightImages[RPSCallScissors]];
+                    self.computerHand.animationDuration = .4;
+                    self.computerHand.animationRepeatCount = 0;
+                    [self.computerHand startAnimating];
+                });
+            });
+        });
+    });
+}
+
+- (RPSCall)callViaRandom {
+    return (RPSCall)(arc4random() % 3);
+}
+
+- (RPSResult)resultForPlayerCall:(RPSCall)playerCall
+                    computerCall:(RPSCall)computerCall {
+    static RPSResult results[3][3] = {
+        {RPSResultTie, RPSResultLoss, RPSResultWin},
+        {RPSResultWin, RPSResultTie, RPSResultLoss},
+        {RPSResultLoss, RPSResultWin, RPSResultTie}
+    };
+    return results[playerCall][computerCall];
+}
+
+- (void)callGame:(RPSCall)playerCall {
+    // stop animating and identify each opponent's call
+    [self.computerHand stopAnimating];
+    _lastPlayerCall = playerCall;
+    _lastComputerCall = [self callViaRandom];
+    self.computerHand.image = _rightImages[_lastComputerCall];
+    
+    // update UI and counts based on result
+    RPSResult result = [self resultForPlayerCall:_lastPlayerCall
+                              computerCall:_lastComputerCall];
+    switch (result) {
+        case RPSResultWin:
+            _wins++;
+            self.resultLabel.text = @"Win!";
+            break;
+        case RPSResultLoss:
+            _losses++;
+            self.resultLabel.text = @"Loss.";
+            break;
+        case RPSResultTie:
+            _ties++;
+            self.resultLabel.text = @"Tie...";
+            break;
+    }
+    [self updateScoreLabel];
+
+    if (FBSession.activeSession.isOpen && _interestedInImplicitShare) {
+        [self publishResult];
+    }
+}
+
+- (void)updateScoreLabel {
+    self.scoreLabel.text = [NSString stringWithFormat:@"W = %d   L = %d   T = %d", _wins, _losses, _ties];
+}
+
+- (IBAction)clickRPSButton:(id)sender {
+    UIButton *button = sender;
+    RPSCall choice = (RPSCall)button.tag;
+    self.playerHand.image = _leftImages[choice];
+    [self callGame:choice];
+    [self setFieldForPlayAgain];
+}
+
+- (IBAction)clickAgainButton:(id)sender {
+    [self resetField];
+    [self animateField];
+}
+
+- (IBAction)clickFacebookButton:(id)sender {
+    UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"Facebook"
+                                                       delegate:self
+                                              cancelButtonTitle:@"Do Nothing"
+                                         destructiveButtonTitle:nil
+                                              otherButtonTitles:@"Share on Facebook", @"See Friends", @"Check settings",  nil];
+    // Show the sheet
+    [sheet showInView:sender];
+}
+
+- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
+    if (buttonIndex != 0) { // ok
+        if (_alertOkHandler) {
+            _alertOkHandler();
+            _alertOkHandler = nil;
+        }
+    }
+}
+
+- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
+    switch (buttonIndex) {
+        case 0: { // share
+            BOOL didDialog = NO;
+            if (self.hasPlayedAtLeastOnce) {
+                didDialog = [self shareGameActivity];
+            } else {
+                didDialog = [self shareGameLink];
+            }
+            if (!didDialog) {
+                [self alertWithMessage:
+                                    @"Upgrade the Facebook application on your device and "
+                                    @"get cool new sharing features for this application. "
+                                    @"What do you want to do?"
+                                    ok:@"Upgrade Now"
+                                cancel:@"Decide Later"
+                            completion:^{
+                                // launch itunes to get the Facebook application installed/upgraded
+                                [[UIApplication sharedApplication]
+                                 openURL:[NSURL URLWithString:@"itms-apps://itunes.com/apps/Facebook"]];
+                            }];
+            }
+            break;
+        }
+        case 1: { // friends
+            UIViewController *friends;
+            if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+                friends = [[RPSFriendsViewController alloc] initWithNibName:@"RPSFriendsViewController_iPhone" bundle:nil];
+            } else {
+                friends = [[RPSFriendsViewController alloc] initWithNibName:@"RPSFriendsViewController_iPad" bundle:nil];
+            }
+            [self.navigationController pushViewController:friends
+                                                 animated:YES];
+            break;
+        }
+        case 2: // settings
+            [self.navigationController pushViewController:[[FBUserSettingsViewController alloc] init]
+                                                 animated:YES];
+            break;
+    }
+}
+
+- (BOOL)hasPlayedAtLeastOnce {
+    return _lastPlayerCall != RPSCallNone && _lastComputerCall != RPSCallNone;
+}
+
+- (BOOL)shareGameActivity {
+    id<FBOpenGraphAction> action = (id<FBOpenGraphAction>)[FBGraphObject openGraphActionForPost];
+    action[@"gesture"] = builtInOpenGraphObjects[_lastPlayerCall]; // set action's gesture property
+    action[@"opposing_gesture"] = builtInOpenGraphObjects[_lastComputerCall]; // set action's opposing_gesture property
+    return nil !=
+    [FBDialogs presentShareDialogWithOpenGraphAction:action
+                                          actionType:@"fb_sample_rps:throw"
+                                 previewPropertyName:@"gesture"
+                                             handler:nil];
+}
+
+- (BOOL)shareGameLink {
+    NSURL *urlToShare = [NSURL URLWithString:@"https://developers.facebook.com/ios"];
+    return nil !=
+    [FBDialogs presentShareDialogWithLink:urlToShare
+                                     name:@"Rock, Papers, Scissors Sample Application"
+                                  handler:nil];
+}
+
+- (NSMutableDictionary<FBOpenGraphObject> *)createGameObject {
+    RPSResult result = [self resultForPlayerCall:_lastPlayerCall
+                                    computerCall:_lastComputerCall];
+
+    NSString *resultName = kResults[result];
+
+    NSMutableDictionary<FBOpenGraphObject> *game = [FBGraphObject openGraphObjectForPost];
+    game[@"type"] = @"fb_sample_rps:game";
+    game[@"title"] = @"an awesome game of Rock, Paper, Scissors";
+    game[@"data"][@"player_gesture"] = builtInOpenGraphObjects[_lastPlayerCall];
+    game[@"data"][@"opponent_gesture"] = builtInOpenGraphObjects[_lastComputerCall];
+    game[@"data"][@"result"] = resultName;
+
+    return game;
+}
+
+- (NSMutableDictionary<FBOpenGraphAction> *)createPlayActionWithGame:(id)game {
+    NSMutableDictionary<FBOpenGraphAction> *action = [FBGraphObject openGraphActionForPost];
+    action[@"game"] = game;
+    return action;
+}
+
+- (void)requestPermissionsWithCompletion:(RPSBlock)completion {
+    [FBSession.activeSession requestNewPublishPermissions:[NSArray arrayWithObject:@"publish_actions"]
+                                          defaultAudience:FBSessionDefaultAudienceEveryone
+                                        completionHandler:^(FBSession *session, NSError *error) {
+                                            if (!error) {
+                                                // Now have the permission
+                                                completion();
+                                            } else {
+                                                NSLog(@"Error: %@", error.description);
+                                            }
+                                        }];
+}
+
+- (void)alertWithMessage:(NSString *)message
+                      ok:(NSString *)ok
+                  cancel:(NSString *)cancel
+              completion:(RPSBlock)completion {
+    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Share with Facebook"
+                                                        message:message
+                                                       delegate:self
+                                              cancelButtonTitle:cancel
+                                              otherButtonTitles:ok, nil];
+    _alertOkHandler = [completion copy];
+    [alertView show];
+}
+
+- (void)publishPhotoForGesture:(RPSCall)gesture {
+    [FBRequestConnection startForUploadStagingResourceWithImage:_imagesToPublish[gesture]
+                                              completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                                                  if (error) {
+                                                      NSLog(@"%@", error);
+                                                      if (error.fberrorCategory == FBErrorCategoryPermissions) {
+                                                          NSLog(@"Re-requesting permissions");
+                                                          _interestedInImplicitShare = NO;
+                                                          [self alertWithMessage:@"Share game activity with your friends?"
+                                                                              ok:@"Yes"
+                                                                          cancel:@"Maybe Later"
+                                                                      completion:^{
+                                                                          _interestedInImplicitShare = YES;
+                                                                          [self requestPermissionsWithCompletion:^{
+                                                                              [self publishPhotoForGesture:gesture];
+                                                                          }];
+                                                                      }];
+                                                          return;
+                                                      }
+                                                  } else {
+                                                      photoURLs[gesture] = result[@"uri"];
+                                                      [self publishResult];
+                                                  }
+                                              }];
+}
+
+- (void)publishResult {
+    // We want to upload a photo representing the gesture the player threw, and use it as the
+    // image for our game OG object. But we optimize this and only upload one instance per session.
+    // So if we already have the image URL, we use it, otherwise we'll initiate an upload and
+    // publish the result once it finishes.
+    if (!photoURLs[_lastPlayerCall]) {
+        [self publishPhotoForGesture:_lastPlayerCall];
+        return;
+    }
+  
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+
+    NSMutableDictionary<FBOpenGraphObject> *game = [self createGameObject];
+    game[@"image"] = photoURLs[_lastPlayerCall];
+    FBRequest *objectRequest = [FBRequest requestForPostOpenGraphObject:game];
+    [connection addRequest:objectRequest
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             if (error) {
+                 NSLog(@"Error: %@", error.description);
+              }
+         }
+            batchEntryName:@"objectCreate"];
+
+  
+    NSMutableDictionary<FBGraphObject> *action = [self createPlayActionWithGame:@"{result=objectCreate:$.id}"];
+    FBRequest *actionRequest = [FBRequest requestForPostWithGraphPath:@"me/fb_sample_rps:play"
+                                                          graphObject:action];
+    [connection addRequest:actionRequest
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             if (error) {
+                 NSLog(@"Error: %@", error.description);
+             } else {
+                 NSLog(@"Posted OG action with id: %@", result[@"id"]);
+             }
+         }];
+
+    [connection start];
+}
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Info.plist b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Info.plist
new file mode 100644
index 0000000..b4d67b0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Info.plist
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Facebook SDK RPS Sample</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.rps</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>Rock Paper Scissors SDK Sample</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb157578437735213free</string>
+				<string>fb157578437735213</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>157578437735213</string>
+	<key>FacebookDisplayName</key>
+	<string>Rock Paper Scissors SDK Sample</string>
+	<key>FacebookUrlSchemeSuffix</key>
+	<string>free</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Prefix.pch
new file mode 100644
index 0000000..d100748
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/RPSSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'RPSSample' target in the 'RPSSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPad.xib
new file mode 100644
index 0000000..5d91d77
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPad.xib
@@ -0,0 +1,351 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1552</int>
+		<string key="IBDocument.SystemVersion">11G63b</string>
+		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
+		<string key="IBDocument.AppKitVersion">1138.51</string>
+		<string key="IBDocument.HIToolboxVersion">569.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">2083</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUIButton</string>
+			<string>IBUILabel</string>
+			<string>IBUINavigationBar</string>
+			<string>IBUINavigationItem</string>
+			<string>IBUITableView</string>
+			<string>IBUITextView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBProxyObject" id="606714003">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBUIView" id="766721923">
+				<nil key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
+					<object class="IBUINavigationBar" id="679231111">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">290</int>
+						<string key="NSFrameSize">{768, 44}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSNextKeyView" ref="247861754"/>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<array key="IBUIItems">
+							<object class="IBUINavigationItem" id="28418998">
+								<reference key="IBUINavigationBar" ref="679231111"/>
+								<string key="IBUITitle"/>
+								<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+							</object>
+						</array>
+					</object>
+					<object class="IBUILabel" id="247861754">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 44}, {748, 24}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSNextKeyView" ref="85475434"/>
+						<string key="NSReuseIdentifierKey">_NS:328</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<string key="IBUIText">Friends Rockin' RPS!</string>
+						<object class="NSColor" key="IBUITextColor" id="997973704">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MCAwIDAAA</bytes>
+							<string key="IBUIColorCocoaTouchKeyPath">darkTextColor</string>
+						</object>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">1</int>
+						<float key="IBUIMinimumFontSize">10</float>
+						<object class="IBUIFontDescription" key="IBUIFontDescription" id="923989112">
+							<int key="type">2</int>
+							<double key="pointSize">17</double>
+						</object>
+						<object class="NSFont" key="IBUIFont" id="12663347">
+							<string key="NSName">Helvetica-Bold</string>
+							<double key="NSSize">17</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUITableView" id="85475434">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">274</int>
+						<string key="NSFrame">{{20, 76}, {728, 420}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<reference key="NSNextKeyView" ref="86295492"/>
+						<string key="NSReuseIdentifierKey">_NS:408</string>
+						<object class="NSColor" key="IBUIBackgroundColor" id="969353036">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<bool key="IBUIAlwaysBounceVertical">YES</bool>
+						<int key="IBUISeparatorStyle">1</int>
+						<int key="IBUISectionIndexMinimumDisplayRowCount">0</int>
+						<bool key="IBUIShowsSelectionImmediatelyOnTouchBegin">YES</bool>
+						<float key="IBUIRowHeight">44</float>
+						<float key="IBUISectionHeaderHeight">22</float>
+						<float key="IBUISectionFooterHeight">22</float>
+					</object>
+					<object class="IBUILabel" id="86295492">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 504}, {728, 21}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<string key="NSReuseIdentifierKey">_NS:345</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<string key="IBUIText">Friend activity</string>
+						<reference key="IBUITextColor" ref="997973704"/>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">1</int>
+						<float key="IBUIMinimumFontSize">10</float>
+						<reference key="IBUIFontDescription" ref="923989112"/>
+						<reference key="IBUIFont" ref="12663347"/>
+					</object>
+					<object class="IBUITextView" id="715347517">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 533}, {728, 335}}</string>
+						<reference key="NSSuperview" ref="766721923"/>
+						<string key="NSReuseIdentifierKey">_NS:640</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MSAxIDEAA</bytes>
+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<bool key="IBUIMultipleTouchEnabled">YES</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<bool key="IBUIShowsHorizontalScrollIndicator">NO</bool>
+						<bool key="IBUIEditable">NO</bool>
+						<string key="IBUIText"/>
+						<object class="IBUITextInputTraits" key="IBUITextInputTraits">
+							<int key="IBUIAutocapitalizationType">2</int>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						</object>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">1</int>
+							<double key="pointSize">14</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica</string>
+							<double key="NSSize">14</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUIButton" id="430374051">
+						<reference key="NSNextResponder" ref="766721923"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 888}, {728, 44}}</string>
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPhone.xib
new file mode 100644
index 0000000..099cb9d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSFriendsViewController_iPhone.xib
@@ -0,0 +1,310 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPad.xib
new file mode 100644
index 0000000..81c37ae
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPad.xib
@@ -0,0 +1,888 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPhone.xib
new file mode 100644
index 0000000..202db5d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/en.lproj/RPSGameViewController_iPhone.xib
@@ -0,0 +1,782 @@
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+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="1038194627"/>
+					</object>
+					<string key="id">65</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">computerHand</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="624634158"/>
+					</object>
+					<string key="id">60</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">facebookButton</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="339632398"/>
+					</object>
+					<string key="id">69</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">paperButton</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="588733907"/>
+					</object>
+					<string key="id">48</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">paperLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="536913105"/>
+					</object>
+					<string key="id">50</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">playerHand</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="181150634"/>
+					</object>
+					<string key="id">66</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">resultLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="6624214"/>
+					</object>
+					<string key="id">74</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">rockButton</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="592107440"/>
+					</object>
+					<string key="id">47</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">rockLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="109126006"/>
+					</object>
+					<string key="id">39</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">scissorsButton</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="785497260"/>
+					</object>
+					<string key="id">49</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">scissorsLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="5784945"/>
+					</object>
+					<string key="id">51</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">scoreLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="427118869"/>
+					</object>
+					<string key="id">72</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">shootLabel</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="374004506"/>
+					</object>
+					<string key="id">52</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="622432374"/>
+						<reference key="destination" ref="213491309"/>
+					</object>
+					<string key="id">3</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">clickRPSButton:</string>
+						<reference key="source" ref="592107440"/>
+						<reference key="destination" ref="622432374"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<string key="id">75</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">clickRPSButton:</string>
+						<reference key="source" ref="588733907"/>
+						<reference key="destination" ref="622432374"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<string key="id">76</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">clickRPSButton:</string>
+						<reference key="source" ref="785497260"/>
+						<reference key="destination" ref="622432374"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<string key="id">77</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">clickAgainButton:</string>
+						<reference key="source" ref="1038194627"/>
+						<reference key="destination" ref="622432374"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<string key="id">67</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">clickFacebookButton:</string>
+						<reference key="source" ref="339632398"/>
+						<reference key="destination" ref="622432374"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<string key="id">70</string>
+				</object>
+			</array>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<array key="orderedObjects">
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+						<string key="id">-1</string>
+						<reference key="object" ref="622432374"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
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+						<reference key="object" ref="835398093"/>
+						<reference key="parent" ref="0"/>
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+					<object class="IBObjectRecord">
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+							<reference ref="1038194627"/>
+							<reference ref="109126006"/>
+							<reference ref="536913105"/>
+							<reference ref="427118869"/>
+							<reference ref="5784945"/>
+							<reference ref="592107440"/>
+							<reference ref="588733907"/>
+							<reference ref="785497260"/>
+							<reference ref="374004506"/>
+							<reference ref="6624214"/>
+							<reference ref="624634158"/>
+							<reference ref="181150634"/>
+							<reference ref="339632398"/>
+						</array>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">38</string>
+						<reference key="object" ref="65183742"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">62</string>
+						<reference key="object" ref="1038194627"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">28</string>
+						<reference key="object" ref="109126006"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">30</string>
+						<reference key="object" ref="536913105"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">71</string>
+						<reference key="object" ref="427118869"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">31</string>
+						<reference key="object" ref="5784945"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">34</string>
+						<reference key="object" ref="592107440"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">35</string>
+						<reference key="object" ref="588733907"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">36</string>
+						<reference key="object" ref="785497260"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">37</string>
+						<reference key="object" ref="374004506"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">73</string>
+						<reference key="object" ref="6624214"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">53</string>
+						<reference key="object" ref="624634158"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">61</string>
+						<reference key="object" ref="181150634"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">68</string>
+						<reference key="object" ref="339632398"/>
+						<reference key="parent" ref="213491309"/>
+					</object>
+				</array>
+			</object>
+			<dictionary class="NSMutableDictionary" key="flattenedProperties">
+				<string key="-1.CustomClassName">RPSGameViewController</string>
+				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="-1.showNotes"/>
+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="-2.showNotes"/>
+				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="1.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="1.showNotes"/>
+				<string key="28.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="28.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="28.showNotes"/>
+				<string key="30.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="30.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="30.showNotes"/>
+				<string key="31.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="31.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="31.showNotes"/>
+				<string key="34.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="34.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="34.showNotes"/>
+				<string key="35.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="35.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="35.showNotes"/>
+				<string key="36.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="36.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="36.showNotes"/>
+				<string key="37.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="37.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="37.showNotes"/>
+				<string key="38.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="38.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="38.showNotes"/>
+				<string key="53.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="53.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="53.showNotes"/>
+				<string key="61.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="61.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="61.showNotes"/>
+				<string key="62.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="62.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="62.showNotes"/>
+				<string key="68.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="68.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="68.showNotes"/>
+				<string key="71.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="71.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="71.showNotes"/>
+				<string key="73.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="73.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="73.showNotes"/>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes"/>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<bool key="IBDocument.previouslyAttemptedUpgradeToXcode5">YES</bool>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1280" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.InterfaceBuilder3</string>
+			<integer value="4600" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<dictionary class="NSMutableDictionary" key="IBDocument.LastKnownImageSizes">
+			<string key="IconFacebook-72.png">{72, 72}</string>
+			<string key="left-paper-88.png">{88, 88}</string>
+			<string key="left-rock-88.png">{88, 88}</string>
+			<string key="left-scissors-88.png">{88, 88}</string>
+			<string key="right-rock-88.png">{88, 88}</string>
+		</dictionary>
+		<string key="IBCocoaTouchPluginVersion">3734.1</string>
+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-paper-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-paper-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-rock-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-rock-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-scissors-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-scissors-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-scissors-88.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/left-scissors-88.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/main.m b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/main.m
new file mode 100644
index 0000000..347c0eb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "RPSAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([RPSAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-paper-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-paper-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-paper-88.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-paper-88.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-rock-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-rock-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-rock-88.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-rock-88.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-scissors-128.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-scissors-128.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-scissors-88.png b/Vendor/facebook-ios-sdk/samples/RPSSample/RPSSample/right-scissors-88.png
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diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/RPSSample/ReadMe.txt
new file mode 100644
index 0000000..686195b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/ReadMe.txt
@@ -0,0 +1,13 @@
+Rock, Paper, Scissors sample
+
+This sample demonstrates use of the Facebook SDK to create and query Open Graph Actions. It consists of two views.
+The first view allows the user to post Open Graph Actions to their Timeline. The second view allows the user to 
+view a list of their friends who have also installed the Rock, Paper, Scissors sample app, select one of those 
+friends, and retrieve a list of the actions that that friend has recently posted.
+
+It can serve as the basis for integrating Facebook into a real-world app that has multiple types of Open Graph actions
+and that allows a user to view their friends' recent app-related activity directly from within the app.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the RPSSample project using Xcode from the <Facebook SDK>/samples/RPSSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/RPSSample/post_app_objects.sh b/Vendor/facebook-ios-sdk/samples/RPSSample/post_app_objects.sh
new file mode 100755
index 0000000..d55cc42
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/RPSSample/post_app_objects.sh
@@ -0,0 +1,117 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Note: Use of this script requires Perl
+
+#
+# step 1 - confirm we have an app id and app secret to work with
+#
+
+if [ -z "$APPID" ]
+then
+  echo '$APPID must be exported and set to the application id for the sample before running this script'
+  exit 1
+fi
+
+if [ -z "$APPSECRET" ]
+then
+  echo '$APPSECRET must be exported set to the app secret for the sample before running this script'
+  exit 1
+fi
+
+#
+# step 2 - stage images and capture their URIs in variables
+#
+
+echo curling...
+
+ROCK_IMAGE_URI=` \
+  curl -s -k -X POST https://graph.facebook.com/$APPID/staging_resources -F access_token="$APPID|$APPSECRET" -F 'file=@RPSSample/left-rock-128.png;type=image/png' \
+  | perl -ne '/"uri":"(.*)"}/ && print $1' `
+
+PAPER_IMAGE_URI=` \
+  curl -s -k -X POST https://graph.facebook.com/$APPID/staging_resources -F access_token="$APPID|$APPSECRET" -F 'file=@RPSSample/left-paper-128.png;type=image/png' \
+  | perl -ne '/"uri":"(.*)"}/ && print $1' `
+
+SCISSORS_IMAGE_URI=` \
+  curl -s -k -X POST https://graph.facebook.com/$APPID/staging_resources -F access_token="$APPID|$APPSECRET" -F 'file=@RPSSample/left-scissors-128.png;type=image/png' \
+  | perl -ne '/"uri":"(.*)"}/ && print $1' `
+
+echo "created staged resources..."
+echo "  rock=$ROCK_IMAGE_URI"
+echo "  paper=$PAPER_IMAGE_URI"
+echo "  scissors=$SCISSORS_IMAGE_URI"
+
+#
+# step 3 - create objects and capture their IDs in variables
+#
+
+# rock
+ROCK_OBJID=` \
+  curl -s -X POST -F "object={\"title\":\"Rock\",\"description\":\"Breaks scissors, alas is covered by paper.\",\"image\":\"$ROCK_IMAGE_URI\"}" "https://graph.facebook.com/$APPID/objects/fb_sample_rps:gesture?access_token=$APPID|$APPSECRET" \
+  | perl -ne '/"id":"(.*)"}/ && print $1' `
+
+# paper
+PAPER_OBJID=` \
+  curl -s -X POST -F "object={\"title\":\"Paper\",\"description\":\"Covers rock, sadly scissors cut it.\",\"image\":\"$PAPER_IMAGE_URI\"}" "https://graph.facebook.com/$APPID/objects/fb_sample_rps:gesture?access_token=$APPID|$APPSECRET" \
+  | perl -ne '/"id":"(.*)"}/ && print $1' `
+
+# scissors
+SCISSORS_OBJID=` \
+  curl -s -X POST -F "object={\"title\":\"Scissors\",\"description\":\"Cuts paper, broken by rock -- bother.\",\"image\":\"$SCISSORS_IMAGE_URI\"}" "https://graph.facebook.com/$APPID/objects/fb_sample_rps:gesture?access_token=$APPID|$APPSECRET" \
+  | perl -ne '/"id":"(.*)"}/ && print $1' `
+
+#
+# step 4 - echo progress
+#
+
+echo "created application objects..."
+echo "  rock=$ROCK_OBJID"
+echo "  paper=$PAPER_OBJID"
+echo "  scissors=$SCISSORS_OBJID"
+
+#
+# step 5 - write .m file for common objects
+#
+
+MFILE=RPSSample/RPSCommonObjects.m
+
+cat > $MFILE << EOF
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+NSString *builtInOpenGraphObjects[3] = {
+                                        @"$ROCK_OBJID",      // rock
+                                        @"$PAPER_OBJID",      // paper
+                                        @"$SCISSORS_OBJID"};     // scissors
+EOF
+
+echo "created $MFILE ..."
+echo done.
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon-72.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon-72.png
new file mode 100644
index 0000000..c7475c1
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon-72.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon.png
new file mode 100644
index 0000000..96dcb38
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon@2x.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon@2x.png
new file mode 100644
index 0000000..4ad98e5
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/Icon@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/Scrumptious/ReadMe.txt
new file mode 100644
index 0000000..ef8b946
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/ReadMe.txt
@@ -0,0 +1,29 @@
+Scrumptious sample
+
+Scrumptious demonstrates a "real-world" (albeit very limited) application that integrates with Facebook.
+It allows a user to select from a small pre-defined list of cuisine types that they are eating, then
+tag friends who they are with, and tag the restaurant they are in. Scrumptious then allows them to post an 
+Open Graph Action to their Timeline which will display the the tagged friends and location.
+
+The example utilizes several controls for the Facebook SDK including:
+ FBLoginView - used on the landing page for authenticating the user.
+ FBFriendPickerViewController - presented from the main UI to pick friends.
+ FBPlacePickerViewController - presented from the main UI to pick a location.
+ FBuserSettingsViewController - used to log the user out.
+ 
+Furthermore, the sample demonstrates usage of Open Graph objects and actions. While the functionality is 
+quite constrained in order to be of reasonable size for a sample, the Facebook integration could serve
+as the basis for more full-featured applications. In particular, look for the text "Facebook SDK" to identify
+key integration points.
+
+Scrumptious also demonstrates how to override images and locale specific strings.  This uses the same image as the SDK, but it is actually
+loaded from the Scrumptious bundle instead of the SDK.  Strings in English are the same, but if the phone is switched into Hebrew, Hebrew
+strings will appear.  For further information please look at FacebookSDKResources.bundle.README
+
+If using Scrumptious as the basis for another application, please note that all of the Open Graph namespaces will need
+to be updated, and a hosted service must be provided in order to serve up Open Graph Objects. In addition, the logged-in
+user will need to be a Developer or a Tester on the application until it is approved for posting Open Graph Actions.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the Scrumptious project using Xcode from the <Facebook SDK>/samples/Scrumptious directory.
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/Scrumptious.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/Scrumptious/Scrumptious.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..c2998c0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/Scrumptious.xcodeproj/project.pbxproj
@@ -0,0 +1,426 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/FacebookSDKImages/FBLoginViewButton.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/FacebookSDKImages/FBLoginViewButton.png
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/FacebookSDKImages/FBLoginViewButton@2x.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/FacebookSDKImages/FBLoginViewButton@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/en.lproj/Localizable.strings b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/en.lproj/Localizable.strings
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/he.lproj/Localizable.strings b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/FacebookSDKOverrides.bundle/he.lproj/Localizable.strings
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diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.h b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.h
new file mode 100644
index 0000000..e615312
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+@class SCViewController;
+@class SCLoginViewController;
+
+// Scrumptious sample application
+//
+// The purpose of the Scrumptious sample application is to demonstrate a complete real-world
+// application that includes Facebook integration, friend picker, place picker, and Open Graph
+// Action creation and posting.
+@interface SCAppDelegate : UIResponder <UIApplicationDelegate, UINavigationControllerDelegate>
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) UINavigationController *navigationController;
+@property (strong, nonatomic) SCViewController *mainViewController;
+@property (strong, nonatomic) SCLoginViewController* loginViewController;
+@property BOOL isNavigating;
+
+- (void)resetMainViewController;
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.m b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.m
new file mode 100644
index 0000000..b2c6a7d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCAppDelegate.m
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SCAppDelegate.h"
+#import "SCViewController.h"
+#import "SCLoginViewController.h"
+#import <FacebookSDK/FBSessionTokenCachingStrategy.h>
+
+@implementation SCAppDelegate
+
+@synthesize window = _window,
+            navigationController = _navigationController,
+            mainViewController = _mainViewController,
+            loginViewController = _loginViewController,
+            isNavigating = _isNavigating;
+
+- (BOOL)application:(UIApplication *)application 
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication 
+         annotation:(id)annotation {
+
+    // Facebook SDK * login flow *
+    // Attempt to handle URLs to complete any auth (e.g., SSO) flow.
+    return [FBAppCall handleOpenURL:url sourceApplication:sourceApplication fallbackHandler:^(FBAppCall *call) {
+        // Facebook SDK * App Linking *
+        // For simplicity, this sample will ignore the link if the session is already
+        // open but a more advanced app could support features like user switching.
+        if (call.accessTokenData) {
+            if ([FBSession activeSession].isOpen) {
+                NSLog(@"INFO: Ignoring app link because current session is open.");
+            }
+            else {
+                [self handleAppLink:call.accessTokenData];
+            }
+        }
+    }];
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Facebook SDK * pro-tip *
+    // if the app is going away, we close the session object; this is a good idea because
+    // things may be hanging off the session, that need releasing (completion block, etc.) and
+    // other components in the app may be awaiting close notification in order to do cleanup
+    [FBSession.activeSession close];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application	{
+    [FBAppEvents activateApp];
+  
+    // Facebook SDK * login flow *
+    // We need to properly handle activation of the application with regards to SSO
+    //  (e.g., returning from iOS 6.0 authorization dialog or from fast app switching).
+    [FBAppCall handleDidBecomeActive];
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // If you have not added the -ObjC linker flag, you may need to uncomment the following line because
+    // Nib files require the type to have been loaded before they can do the wireup successfully.  
+    // http://stackoverflow.com/questions/1725881/unknown-class-myclass-in-interface-builder-file-error-at-runtime
+    // [FBProfilePictureView class];
+    
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    [self resetMainViewController];
+    self.loginViewController = [[SCLoginViewController alloc] initWithNibName:@"SCLoginViewController"
+                                                                       bundle:nil];
+    self.navigationController = [[UINavigationController alloc] initWithRootViewController:self.loginViewController];
+    self.navigationController.delegate = self;
+    self.window.rootViewController = self.navigationController;
+    
+    [self.window makeKeyAndVisible];
+    
+    // Facebook SDK * pro-tip *
+    // We take advantage of the `FBLoginView` in our loginViewController, which can
+    // automatically open a session if there is a token cached. If we were not using
+    // that control, this location would be a good place to try to open a session
+    // from a token cache.
+    
+    return YES;
+}
+
+// Helper method to wrap logic for handling app links.
+- (void)handleAppLink:(FBAccessTokenData *)appLinkToken {
+    // Initialize a new blank session instance...
+    FBSession *appLinkSession = [[FBSession alloc] initWithAppID:nil
+                                                     permissions:nil
+                                                 defaultAudience:FBSessionDefaultAudienceNone
+                                                 urlSchemeSuffix:nil
+                                              tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance] ];
+    [FBSession setActiveSession:appLinkSession];
+    // ... and open it from the App Link's Token.
+    [appLinkSession openFromAccessTokenData:appLinkToken
+                          completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                              // Forward any errors to the FBLoginView delegate.
+                              if (error) {
+                                  [self.loginViewController loginView:nil handleError:error];
+                              }
+                          }];
+}
+
+#pragma mark - UINavigationControllerDelegate
+
+- (void)navigationController:(UINavigationController *)navigationController
+       didShowViewController:(UIViewController *)viewController
+                    animated:(BOOL)animated {
+    self.isNavigating = NO;
+}
+
+- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
+    self.isNavigating = YES;
+}
+
+- (void)resetMainViewController {
+    self.mainViewController = [[SCViewController alloc] initWithNibName:@"SCViewController"
+                                                                 bundle:nil];
+#ifdef __IPHONE_7_0
+    if ([self.mainViewController respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
+        self.mainViewController.edgesForExtendedLayout &= ~UIRectEdgeTop;
+    }
+#endif
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.h b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.h
new file mode 100644
index 0000000..6f0f2b1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+/*
+ The UIViewController representing the Scrumptious landing page.
+*/
+@interface SCLoginViewController : UIViewController<FBLoginViewDelegate>
+@property (unsafe_unretained, nonatomic) IBOutlet FBLoginView *FBLoginView;
+- (IBAction)clickSkipLogIn:(id)sender;
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.m b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.m
new file mode 100644
index 0000000..b2836dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.m
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SCLoginViewController.h"
+#import "SCAppDelegate.h"
+#import "SCViewController.h"
+
+@implementation SCLoginViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        // Facebook SDK * pro-tip *
+        // We wire up the FBLoginView using the interface builder
+        // but we could have also explicitly wired its delegate here.
+    }
+    return self;
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    
+    self.navigationController.navigationBarHidden = YES;
+}
+
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    if (self.shouldSkipLogIn) {
+        [self performSelector:@selector(transitionToMainViewController) withObject:nil afterDelay:.5];
+    }
+}
+
+- (void)setShouldSkipLogIn:(BOOL)skip {
+    [[NSUserDefaults standardUserDefaults] setBool:skip forKey:@"ScrumptiousSkipLogIn"];
+    [[NSUserDefaults standardUserDefaults] synchronize];
+}
+
+- (BOOL)shouldSkipLogIn {
+    return [[NSUserDefaults standardUserDefaults] boolForKey:@"ScrumptiousSkipLogIn"];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    self.navigationController.navigationBarHidden = NO;
+}
+
+- (void)viewDidUnload {
+    [self setFBLoginView:nil];
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+}
+
+- (void)transitionToMainViewController {
+    // this pop is a noop in some cases, and in others makes sure we don't try
+    // to push the same controller twice
+    [self.navigationController popToRootViewControllerAnimated:NO];
+
+    // Upon login, transition to the main UI by pushing it onto the navigation stack.
+    SCAppDelegate *appDelegate = (SCAppDelegate *)[UIApplication sharedApplication].delegate;
+    [self.navigationController pushViewController:appDelegate.mainViewController animated:YES];
+}
+
+#pragma mark - FBLoginView delegate
+
+- (void)loginViewShowingLoggedInUser:(FBLoginView *)loginView {
+    // if you become logged in, no longer flag to skip log in
+    self.shouldSkipLogIn = NO;
+    [self transitionToMainViewController];
+}
+
+- (void)loginView:(FBLoginView *)loginView
+      handleError:(NSError *)error{
+    NSString *alertMessage, *alertTitle;
+    
+    // Facebook SDK * error handling *
+    // Error handling is an important part of providing a good user experience.
+    // Since this sample uses the FBLoginView, this delegate will respond to
+    // login failures, or other failures that have closed the session (such
+    // as a token becoming invalid). Please see the [- postOpenGraphAction:]
+    // and [- requestPermissionAndPost] on `SCViewController` for further
+    // error handling on other operations.
+    
+    if (error.fberrorShouldNotifyUser) {
+        // If the SDK has a message for the user, surface it. This conveniently
+        // handles cases like password change or iOS6 app slider state.
+        alertTitle = @"Something Went Wrong";
+        alertMessage = error.fberrorUserMessage;
+    } else if (error.fberrorCategory == FBErrorCategoryAuthenticationReopenSession) {
+        // It is important to handle session closures as mentioned. You can inspect
+        // the error for more context but this sample generically notifies the user.
+        alertTitle = @"Session Error";
+        alertMessage = @"Your current session is no longer valid. Please log in again.";
+    } else if (error.fberrorCategory == FBErrorCategoryUserCancelled) {
+        // The user has cancelled a login. You can inspect the error
+        // for more context. For this sample, we will simply ignore it.
+        NSLog(@"user cancelled login");
+    } else {
+        // For simplicity, this sample treats other errors blindly, but you should
+        // refer to https://developers.facebook.com/docs/technical-guides/iossdk/errors/ for more information.
+        alertTitle  = @"Unknown Error";
+        alertMessage = @"Error. Please try again later.";
+        NSLog(@"Unexpected error:%@", error);
+    }
+    
+    if (alertMessage) {
+        [[[UIAlertView alloc] initWithTitle:alertTitle
+                                    message:alertMessage
+                                   delegate:nil
+                          cancelButtonTitle:@"OK"
+                          otherButtonTitles:nil] show];
+    }
+}
+
+- (void)loginViewShowingLoggedOutUser:(FBLoginView *)loginView {
+    // Facebook SDK * login flow *
+    // It is important to always handle session closure because it can happen
+    // externally; for example, if the current session's access token becomes
+    // invalid. For this sample, we simply pop back to the landing page.
+    SCAppDelegate *appDelegate = (SCAppDelegate *)[UIApplication sharedApplication].delegate;
+    if (appDelegate.isNavigating) {
+        // The delay is for the edge case where a session is immediately closed after
+        // logging in and our navigation controller is still animating a push.
+        [self performSelector:@selector(logOut) withObject:nil afterDelay:.5];
+    } else {
+        [self logOut];
+    }
+}
+
+- (void)logOut {
+    // on log out we reset the main view controller
+    SCAppDelegate *appDelegate = (SCAppDelegate *)[UIApplication sharedApplication].delegate;
+    [appDelegate resetMainViewController];
+    [self.navigationController popToRootViewControllerAnimated:YES];
+}
+
+- (IBAction)clickSkipLogIn:(id)sender {
+    self.shouldSkipLogIn = YES;
+    [self transitionToMainViewController];
+}
+@end
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new file mode 100644
index 0000000..d8d989d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCLoginViewController.xib
@@ -0,0 +1,419 @@
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+				<real value="0.0" key="19.IBUIButtonInspectorSelectedStateConfigurationMetadataKey"/>
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+				<string key="5.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="6.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
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+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">FBLoginView</string>
+					<string key="superclassName">UIView</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">delegate</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">delegate</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">delegate</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/FBLoginView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">SCLoginViewController</string>
+					<string key="superclassName">UIViewController</string>
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+						<string key="NS.object.0">id</string>
+					</object>
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+						<object class="IBActionInfo" key="NS.object.0">
+							<string key="name">clickSkipLogIn:</string>
+							<string key="candidateClassName">id</string>
+						</object>
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+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">FBLoginView</string>
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+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/SCLoginViewController.h</string>
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+				</object>
+			</array>
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+			<string key="NS.object.0">{72, 72}</string>
+		</object>
+		<string key="IBCocoaTouchPluginVersion">2083</string>
+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.h b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.h
new file mode 100644
index 0000000..00903a9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "SCViewController.h"
+
+typedef void(^ConfirmCallback)(id sender, bool confirm);
+
+@interface SCPhotoViewController : UIViewController
+
+@property (strong, nonatomic) IBOutlet UIImageView *imageView;
+@property (copy, nonatomic) ConfirmCallback confirmCallback;
+@property (strong, readonly) UIImage* image;
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil image:(UIImage *)anImage;
+- (IBAction)confirm:(id)sender;
+- (IBAction)cancel:(id)sender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.m b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.m
new file mode 100644
index 0000000..336e01b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.m
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-present Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SCPhotoViewController.h"
+
+@interface SCPhotoViewController ()
+
+@property (strong, readwrite) UIImage* image;
+
+@end
+
+@implementation SCPhotoViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil image:(UIImage *) anImage
+{
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.image = anImage;
+    }
+    return self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    [self.imageView setImage:self.image];
+}
+
+- (void)viewDidUnload
+{
+    [super viewDidUnload];
+    self.imageView = nil;
+    self.image = nil;
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    
+    self.navigationController.navigationBarHidden = YES;
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+    self.navigationController.navigationBarHidden = NO;
+    
+    [super viewWillDisappear:animated];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
+{
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+}
+
+- (IBAction)confirm:(id)sender {
+    if (self.confirmCallback) {
+        self.confirmCallback(self, YES);
+    }
+    [self.navigationController popViewControllerAnimated:YES];
+}
+
+- (IBAction)cancel:(id)sender {
+    if (self.confirmCallback) {
+        self.confirmCallback(self, NO);
+    }
+    [self.navigationController popViewControllerAnimated:YES];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.xib b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.xib
new file mode 100644
index 0000000..188db57
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCPhotoViewController.xib
@@ -0,0 +1,264 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
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+		<string key="IBDocument.HIToolboxVersion">569.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
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+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBUIBarButtonItem</string>
+			<string>IBUIToolbar</string>
+			<string>IBUIImageView</string>
+			<string>IBUIView</string>
+			<string>IBProxyObject</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
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+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+						<object class="NSColor" key="IBUIBackgroundColor">
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+							<bytes key="NSRGB">MCAwIDAAA</bytes>
+						</object>
+						<int key="IBUIContentMode">1</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+					<object class="IBUIToolbar" id="49911555">
+						<reference key="NSNextResponder" ref="191373211"/>
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+						<reference key="NSWindow"/>
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+						<bool key="IBUIOpaque">NO</bool>
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+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<int key="IBUIBarStyle">1</int>
+						<array class="NSMutableArray" key="IBUIItems">
+							<object class="IBUIBarButtonItem" id="732246703">
+								<string key="IBUITitle">Cancel</string>
+								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+								<int key="IBUIStyle">1</int>
+								<reference key="IBUIToolbar" ref="49911555"/>
+							</object>
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+								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+								<int key="IBUISystemItemIdentifier">5</int>
+							</object>
+							<object class="IBUIBarButtonItem" id="54707360">
+								<string key="IBUITitle">Confirm</string>
+								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+								<int key="IBUIStyle">1</int>
+								<reference key="IBUIToolbar" ref="49911555"/>
+							</object>
+						</array>
+					</object>
+				</array>
+				<string key="NSFrame">{{0, 20}, {320, 460}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
+				<reference key="NSNextKeyView" ref="591773404"/>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">3</int>
+					<bytes key="NSWhite">MQA</bytes>
+					<object class="NSColorSpace" key="NSCustomColorSpace">
+						<int key="NSID">2</int>
+					</object>
+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+		</array>
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+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="191373211"/>
+					</object>
+					<int key="connectionID">3</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">imageView</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="591773404"/>
+					</object>
+					<int key="connectionID">29</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
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+						<reference key="source" ref="732246703"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
+					<int key="connectionID">26</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">confirm:</string>
+						<reference key="source" ref="54707360"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
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+				</object>
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+						<reference key="children" ref="1000"/>
+						<nil key="parent"/>
+					</object>
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+						<int key="objectID">1</int>
+						<reference key="object" ref="191373211"/>
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+						<reference key="parent" ref="0"/>
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+						<reference key="object" ref="372490531"/>
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+							<reference ref="54707360"/>
+							<reference ref="715513567"/>
+						</array>
+						<reference key="parent" ref="191373211"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">9</int>
+						<reference key="object" ref="54707360"/>
+						<reference key="parent" ref="49911555"/>
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+						<int key="objectID">8</int>
+						<reference key="object" ref="732246703"/>
+						<reference key="parent" ref="49911555"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">28</int>
+						<reference key="object" ref="715513567"/>
+						<reference key="parent" ref="49911555"/>
+					</object>
+				</array>
+			</object>
+			<dictionary class="NSMutableDictionary" key="flattenedProperties">
+				<string key="-1.CustomClassName">SCPhotoViewController</string>
+				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="28.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="7.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="8.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="9.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+			<int key="maxID">29</int>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">SCPhotoViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="cancel:">id</string>
+						<string key="confirm:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="cancel:">
+							<string key="name">cancel:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="confirm:">
+							<string key="name">confirm:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">imageView</string>
+						<string key="NS.object.0">UIImageView</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">imageView</string>
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+							<string key="name">imageView</string>
+							<string key="candidateClassName">UIImageView</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/SCPhotoViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
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+		</object>
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+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCProtocols.h b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCProtocols.h
new file mode 100644
index 0000000..9ec713d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCProtocols.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Wraps an Open Graph object (of type "scrumps:meal") that has just two properties,
+// an ID and a URL. The FBGraphObject allows us to create an FBGraphObject instance
+// and treat it as an SCOGMeal with typed property accessors.
+@protocol SCOGMeal<FBGraphObject>
+
+@property (retain, nonatomic) NSString        *id;
+@property (retain, nonatomic) NSString        *url;
+
+@end
+
+// Wraps an Open Graph object (of type "scrumps:eat") with a relationship to a meal,
+// as well as properties inherited from FBOpenGraphAction such as "place" and "tags".
+@protocol SCOGEatMealAction<FBOpenGraphAction>
+
+@property (retain, nonatomic) id<SCOGMeal>    meal;
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.h b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.h
new file mode 100644
index 0000000..f791986
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <QuartzCore/QuartzCore.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+/*
+ The UIViewController representing the main UI, which
+ lets the user select a type of food, tag who they
+ are with, and where they are.
+*/
+@interface SCViewController : UIViewController <FBUserSettingsDelegate, UIAlertViewDelegate>
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.m b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.m
new file mode 100644
index 0000000..9a7a009
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/SCViewController.m
@@ -0,0 +1,886 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SCViewController.h"
+#import "SCAppDelegate.h"
+#import "SCLoginViewController.h"
+#import "SCProtocols.h"
+#import <AddressBook/AddressBook.h>
+#import "TargetConditionals.h"
+#import "SCPhotoViewController.h"
+
+@interface SCViewController() < UITableViewDataSource,
+                                UIImagePickerControllerDelegate,
+                                FBFriendPickerDelegate,
+                                UINavigationControllerDelegate,
+                                FBPlacePickerDelegate,
+                                CLLocationManagerDelegate,
+                                UIActionSheetDelegate> {
+ @private int _retryCount;
+}
+
+@property (strong, nonatomic) FBUserSettingsViewController *settingsViewController;
+@property (strong, nonatomic) IBOutlet FBProfilePictureView *userProfileImage;
+@property (strong, nonatomic) IBOutlet UILabel *userNameLabel;
+@property (strong, nonatomic) IBOutlet UIButton *announceButton;
+@property (strong, nonatomic) IBOutlet UITableView *menuTableView;
+@property (strong, nonatomic) UIActionSheet *mealPickerActionSheet;
+@property (retain, nonatomic) NSArray *mealTypes;
+
+@property (strong, nonatomic) NSObject<FBGraphPlace> *selectedPlace;
+@property (strong, nonatomic) NSString *selectedMeal;
+@property (strong, nonatomic) NSArray *selectedFriends;
+@property (strong, nonatomic) CLLocationManager *locationManager;
+@property (strong, nonatomic) FBCacheDescriptor *placeCacheDescriptor;
+@property (strong, nonatomic) UIActivityIndicatorView *activityIndicator;
+
+@property (strong, nonatomic) UIImagePickerController *imagePicker;
+@property (strong, nonatomic) UIActionSheet *imagePickerActionSheet;
+@property (strong, nonatomic) UIImage *selectedPhoto;
+@property (strong, nonatomic) UIPopoverController *popover;
+@property (strong, nonatomic) SCPhotoViewController *photoViewController;
+@property (nonatomic) CGRect popoverFromRect;
+
+@end
+
+@implementation SCViewController
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        // Custom initialization
+        self.navigationItem.hidesBackButton = YES;
+    }
+    return self;
+}
+
+#pragma mark - Open Graph Helpers
+
+// This is a helper function that returns an FBGraphObject representing a meal
+- (id<SCOGMeal>)mealObjectForMeal:(NSString *)meal {
+    
+    // We create an FBGraphObject object, but we can treat it as an SCOGMeal with typed
+    // properties, etc. See <FacebookSDK/FBGraphObject.h> for more details.
+    id<SCOGMeal> result = (id<SCOGMeal>)[FBGraphObject graphObject];
+    
+    // Give it a URL of sample data that contains the object's name, title, description, and body.
+    // These OG object URLs were created using the edit open graph feature of the graph tool
+    // at https://www.developers.facebook.com/apps/
+    if ([meal isEqualToString:@"Cheeseburger"]) {
+        result.url = @"http://samples.ogp.me/314483151980285";
+    } else if ([meal isEqualToString:@"Pizza"]) {
+        result.url = @"http://samples.ogp.me/314483221980278";
+    } else if ([meal isEqualToString:@"Hotdog"]) {
+        result.url = @"http://samples.ogp.me/314483265313607";
+    } else if ([meal isEqualToString:@"Italian"]) {
+        result.url = @"http://samples.ogp.me/314483348646932";
+    } else if ([meal isEqualToString:@"French"]) {
+        result.url = @"http://samples.ogp.me/314483375313596";
+    } else if ([meal isEqualToString:@"Chinese"]) {
+        result.url = @"http://samples.ogp.me/314483421980258";
+    } else if ([meal isEqualToString:@"Thai"]) {
+        result.url = @"http://samples.ogp.me/314483451980255";
+    } else if ([meal isEqualToString:@"Indian"]) {
+        result.url = @"http://samples.ogp.me/314483491980251";
+    } else {
+        return nil;
+    }
+    return result;
+}
+
+- (void)enableUserInteraction:(BOOL) enabled {
+    if (enabled) {
+        [self.activityIndicator stopAnimating];
+    } else {
+        [self centerAndShowActivityIndicator];
+    }
+    
+    self.announceButton.enabled = enabled;
+    [self.view setUserInteractionEnabled:enabled];
+}
+
+- (id<SCOGEatMealAction>)actionFromMealInfo {
+    // Create an Open Graph eat action with the meal, our location, and the people we were with.
+    id<SCOGEatMealAction> action = (id<SCOGEatMealAction>)[FBGraphObject graphObject];
+    
+    if (self.selectedPlace) {
+        // Facebook SDK * pro-tip *
+        // We don't use the action.place syntax here because, unfortunately, setPlace:
+        // and a few other selectors may be flagged as reserved selectors by Apple's App Store
+        // validation tools. While this doesn't necessarily block App Store approval, it
+        // could slow down the approval process. Falling back to the setObject:forKey:
+        // selector is a useful technique to avoid such naming conflicts.
+        [action setObject:self.selectedPlace forKey:@"place"];
+    }
+    
+    if (self.selectedFriends.count > 0) {
+        [action setObject:self.selectedFriends forKey:@"tags"];
+    }
+    
+    return action;
+}
+
+// Creates the Open Graph Action.
+- (void)postOpenGraphAction {
+    [self enableUserInteraction:NO];
+   
+    FBRequestConnection *requestConnection = [[FBRequestConnection alloc] init];
+    requestConnection.errorBehavior = FBRequestConnectionErrorBehaviorRetry
+                                    | FBRequestConnectionErrorBehaviorReconnectSession;
+    if (self.selectedPhoto) {
+        self.selectedPhoto = [self normalizedImage:self.selectedPhoto];
+        FBRequest *stagingRequest = [FBRequest requestForUploadStagingResourceWithImage:self.selectedPhoto];
+        [requestConnection addRequest:stagingRequest
+                    completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                                            if (error) {
+                                                [self enableUserInteraction:YES];
+                                                [self handlePostOpenGraphActionError:error];
+                                            }
+                                        }
+                       batchEntryName:@"stagedphoto"];
+    }
+    
+    // Create an Open Graph eat action with the meal, our location, and the people we were with.
+    id<SCOGEatMealAction> action = [self actionFromMealInfo];
+
+    if (self.selectedPhoto) {
+        action.image = @[ @{ @"url" : @"{result=stagedphoto:$.uri}", @"user_generated" : @"true" } ];
+    }
+    
+    // create the Open Graph meal object for the meal we ate.
+    id<SCOGMeal> mealObject = [self mealObjectForMeal:self.selectedMeal];
+    if (mealObject) {
+        action.meal = mealObject;
+    } else {
+        // Facebook SDK * Object API *
+        id object = [FBGraphObject openGraphObjectForPostWithType:@"fb_sample_scrumps:meal"
+                                                            title:self.selectedMeal
+                                                            image:@"https://fbcdn-photos-a.akamaihd.net/photos-ak-snc7/v85005/200/233936543368280/app_1_233936543368280_595563194.gif"
+                                                              url:nil
+                                                      description:[@"Delicious " stringByAppendingString:self.selectedMeal]];
+        FBRequest *createObject = [FBRequest requestForPostOpenGraphObject:object];
+    
+        // We'll add the object creaction to the batch, and set the action's meal accordingly.
+        [requestConnection addRequest:createObject
+                    completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+                                            if (error) {
+                                                [self enableUserInteraction:YES];
+                                                [self handlePostOpenGraphActionError:error];
+                                            }
+                                        }
+                       batchEntryName:@"createobject"];
+        
+        action[@"meal"] = @"{result=createobject:$.id}";
+    }
+
+    // Create the request and post the action to the "me/fb_sample_scrumps:eat" path.
+    FBRequest *actionRequest = [FBRequest requestForPostWithGraphPath:@"me/fb_sample_scrumps:eat"
+                                                          graphObject:action];
+    [requestConnection addRequest:actionRequest
+                    completionHandler:^(FBRequestConnection *connection,
+                         id result,
+                         NSError *error) {
+
+         [self enableUserInteraction:YES];
+         if (!error) {
+             [[[UIAlertView alloc] initWithTitle:@"Result"
+                                         message:[NSString stringWithFormat:@"Posted Open Graph action, id: %@",
+                                                  [result objectForKey:@"id"]]
+                                        delegate:nil
+                               cancelButtonTitle:@"Thanks!"
+                               otherButtonTitles:nil]
+              show];
+             
+             // start over
+             [self resetMealInfo];
+         } else {
+             [self handlePostOpenGraphActionError:error];
+         }
+     }];
+    [requestConnection start];
+}
+
+- (void)resetMealInfo {
+    // start over
+    self.selectedMeal = nil;
+    self.selectedPlace = nil;
+    self.selectedFriends = nil;
+    self.selectedPhoto = nil;
+    _retryCount = 0;
+    [self updateSelections];
+}
+
+- (void)handlePostOpenGraphActionError:(NSError *) error{
+    // Facebook SDK * error handling *
+    // Some Graph API errors are retriable. For this sample, we will have a simple
+    // retry policy of one additional attempt. Please refer to
+    // https://developers.facebook.com/docs/reference/api/errors/ for more information.
+    _retryCount++;
+    if (error.fberrorCategory == FBErrorCategoryThrottling) {
+        // We also retry on a throttling error message. A more sophisticated app
+        // should consider a back-off period.
+        if (_retryCount < 2) {
+            NSLog(@"Retrying open graph post");
+            [self postOpenGraphAction];
+            return;
+        } else {
+            NSLog(@"Retry count exceeded.");
+        }
+    }
+    
+    // Facebook SDK * pro-tip *
+    // Users can revoke post permissions on your app externally so it
+    // can be worthwhile to request for permissions again at the point
+    // that they are needed. This sample assumes a simple policy
+    // of re-requesting permissions.
+    if (error.fberrorCategory == FBErrorCategoryPermissions) {
+        NSLog(@"Re-requesting permissions");
+        [self requestPermissionAndPost];
+        return;
+    }
+    
+    // Facebook SDK * error handling *
+    [self presentAlertForError:error];
+}
+// Helper method to request publish permissions and post.
+- (void)requestPermissionAndPost {
+    [FBSession.activeSession requestNewPublishPermissions:[NSArray arrayWithObject:@"publish_actions"]
+                                          defaultAudience:FBSessionDefaultAudienceFriends
+                                        completionHandler:^(FBSession *session, NSError *error) {
+                                            if (!error && [FBSession.activeSession.permissions indexOfObject:@"publish_actions"] != NSNotFound) {
+                                                // Now have the permission
+                                                [self postOpenGraphAction];
+                                            } else if (error){
+                                                // Facebook SDK * error handling *
+                                                // if the operation is not user cancelled
+                                                if (error.fberrorCategory != FBErrorCategoryUserCancelled) {
+                                                    [self presentAlertForError:error];
+                                                }
+                                            }
+                                        }];
+}
+
+- (void) presentAlertForError:(NSError *)error {
+    // Facebook SDK * error handling *
+    // Error handling is an important part of providing a good user experience.
+    // When fberrorShouldNotifyUser is YES, a fberrorUserMessage can be
+    // presented as a user-ready message
+    if (error.fberrorShouldNotifyUser) {
+        // The SDK has a message for the user, surface it.
+        [[[UIAlertView alloc] initWithTitle:@"Something Went Wrong"
+                                    message:error.fberrorUserMessage
+                                   delegate:nil
+                          cancelButtonTitle:@"OK"
+                          otherButtonTitles:nil] show];
+    } else {
+        NSLog(@"unexpected error:%@", error);
+    }
+}
+
+#pragma mark - UI Behavior
+
+-(void)settingsButtonWasPressed:(id)sender {
+    [self presentLoginSettings];
+}
+
+-(void)presentLoginSettings {
+    if (self.settingsViewController == nil) {
+        self.settingsViewController = [[FBUserSettingsViewController alloc] init];
+#ifdef __IPHONE_7_0
+        if ([self.settingsViewController respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
+            self.settingsViewController.edgesForExtendedLayout &= ~UIRectEdgeTop;
+        }
+#endif
+        self.settingsViewController.delegate = self;
+    }
+    
+    [self.navigationController pushViewController:self.settingsViewController animated:YES];
+}
+
+// Handles the user clicking the Announce button by creating an Open Graph Action
+- (IBAction)announce:(id)sender {
+    if (FBSession.activeSession.isOpen) {
+        // Facebook SDK * pro-tip *
+        // Ask for publish permissions only at the time they are needed.
+        if ([FBSession.activeSession.permissions indexOfObject:@"publish_actions"] == NSNotFound) {
+            [self requestPermissionAndPost];
+        } else {
+            [self postOpenGraphAction];
+        }
+    } else {
+        // Facebook SDK * pro-tip *
+        // Support sharing even if the user isn't logged in with Facebook, by using the share dialog
+        [self presentShareDialogForMealInfo];
+    }
+}
+
+- (void)presentShareDialogForMealInfo {
+    id image = @"https://fbcdn-photos-a.akamaihd.net/photos-ak-snc7/v85005/200/233936543368280/app_1_233936543368280_595563194.gif";
+    // Create an Open Graph eat action with the meal, our location, and the people we were with.
+    id<SCOGEatMealAction> action = [self actionFromMealInfo];
+    
+    if (self.selectedPhoto) {
+        self.selectedPhoto = [self normalizedImage:self.selectedPhoto];
+        action.image = self.selectedPhoto;
+        image = @[@{@"url":self.selectedPhoto, @"user_generated":@"true"}];
+    }
+    
+    id object = [FBGraphObject openGraphObjectForPostWithType:@"fb_sample_scrumps:meal"
+                                                        title:self.selectedMeal
+                                                        image:image
+                                                          url:nil
+                                                  description:[@"Delicious " stringByAppendingString:self.selectedMeal]];
+    action.meal = object;
+    
+    BOOL presentable = nil != [FBDialogs presentShareDialogWithOpenGraphAction:action
+                                                                    actionType:@"fb_sample_scrumps:eat"
+                                                           previewPropertyName:@"meal"
+                                                                       handler:^(FBAppCall *call, NSDictionary *results, NSError *error) {
+                                                                           if (!error) {
+                                                                               [self resetMealInfo];
+                                                                           } else {
+                                                                               NSLog(@"%@", error);
+                                                                           }
+                                                                       }];
+    if (!presentable) { // this means that the Facebook app is not installed or up to date
+        // if the share dialog is not available, lets encourage a login so we can share directly
+        [self presentLoginSettings];
+    }
+}
+
+- (void)centerAndShowActivityIndicator {
+    CGRect frame = self.view.frame;
+    CGPoint center = CGPointMake(CGRectGetMidX(frame), CGRectGetMidY(frame));
+    self.activityIndicator.center = center;
+    [self.activityIndicator startAnimating];
+}
+
+// Displays the user's name and profile picture so they are aware of the Facebook
+// identity they are logged in as.
+- (void)populateUserDetails {
+    if (FBSession.activeSession.isOpen) {
+        [[FBRequest requestForMe] startWithCompletionHandler:
+         ^(FBRequestConnection *connection, NSDictionary<FBGraphUser> *user, NSError *error) {
+             if (!error) {
+                 self.userNameLabel.text = user.name;
+                 self.userProfileImage.profileID = [user objectForKey:@"id"];
+             }
+         }];
+    }
+}
+
+#pragma mark UIImagePickerControllerDelegate methods
+
+- (void)imagePickerController:(UIImagePickerController *)picker
+        didFinishPickingImage:(UIImage *)image
+                  editingInfo:(NSDictionary *)editingInfo {
+    
+    if (!self.photoViewController) {
+        __block SCViewController *myself = self;
+        self.photoViewController = [[SCPhotoViewController alloc]initWithNibName:@"SCPhotoViewController" bundle:nil image:image];
+        self.photoViewController.confirmCallback = ^(id sender, bool confirm) {
+            if(confirm) {
+                myself.selectedPhoto = image;
+            }
+            [myself updateSelections];
+        };
+    }
+    [self.navigationController pushViewController:self.photoViewController animated:true];
+    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+        [self.popover dismissPopoverAnimated:YES];
+    } else {
+        [self dismissModalViewControllerAnimated:YES];
+    }
+    self.photoViewController = nil;
+}
+
+#pragma mark - UIActionSheetDelegate methods
+
+- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex {
+    
+    // If user presses cancel, do nothing
+    if (buttonIndex == actionSheet.cancelButtonIndex)
+        return;
+    
+    // One method handles the delegate action for two action sheets
+    if (actionSheet == self.mealPickerActionSheet) {
+        if (buttonIndex == 0) {
+            // They chose manual entry so prompt the user for an entry.
+            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"What are you eating?" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil];
+            alert.alertViewStyle = UIAlertViewStylePlainTextInput;
+            [alert textFieldAtIndex:0].autocapitalizationType = UITextAutocapitalizationTypeSentences;
+            [alert show];
+        } else {
+            self.selectedMeal = [self.mealTypes objectAtIndex:buttonIndex];
+            [self updateSelections];
+        }
+    } else { // self.imagePickerActionSheet
+        NSAssert(actionSheet == self.imagePickerActionSheet, @"Delegate method's else-case should be for image picker");
+        
+        if (!self.imagePicker) {
+            self.imagePicker = [[UIImagePickerController alloc] init];
+            self.imagePicker.delegate = self;
+        }
+        
+        // Set the source type of the imagePicker to the users selection
+        if (buttonIndex == 0) {
+            // If its the simulator, camera is no good
+            if(TARGET_IPHONE_SIMULATOR){
+                [[[UIAlertView alloc] initWithTitle:@"Camera not supported in simulator."
+                                            message:@"(>'_')>"
+                                           delegate:nil
+                                  cancelButtonTitle:@"Ok"
+                                  otherButtonTitles:nil] show];
+                return;
+            }
+            self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
+        } else if (buttonIndex == 1) {
+            self.imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
+        }
+        
+        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+            // Can't use presentModalViewController for image picker on iPad
+            if (!self.popover) {
+                self.popover = [[UIPopoverController alloc] initWithContentViewController:self.imagePicker];
+            }
+            [self.popover presentPopoverFromRect:self.popoverFromRect
+                                          inView:self.view
+                        permittedArrowDirections:UIPopoverArrowDirectionAny
+                                        animated:YES];
+        } else {
+            [self presentModalViewController:self.imagePicker animated:YES];
+        }
+    }
+}
+
+#pragma mark - Overrides
+
+- (void)dealloc {
+    _locationManager.delegate = nil;
+    _mealPickerActionSheet.delegate = nil;
+    _settingsViewController.delegate = nil;
+    _imagePicker.delegate = nil;
+    _imagePickerActionSheet.delegate = nil;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    self.title = @"Scrumptious";
+
+    // Get the CLLocationManager going.
+    self.locationManager = [[CLLocationManager alloc] init];
+    self.locationManager.delegate = self;
+    self.locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters;
+    // We don't want to be notified of small changes in location, preferring to use our
+    // last cached results, if any.
+    self.locationManager.distanceFilter = 50;
+    
+    FBCacheDescriptor *cacheDescriptor = [FBFriendPickerViewController cacheDescriptor];
+    [cacheDescriptor prefetchAndCacheForSession:FBSession.activeSession];
+    
+    // This avoids a gray background in the table view on iPad.
+    if ([self.menuTableView respondsToSelector:@selector(backgroundView)]) {
+        self.menuTableView.backgroundView = nil;
+    }
+    
+    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]
+                                              initWithTitle:@"Settings" 
+                                                style:UIBarButtonItemStyleBordered 
+                                              target:self 
+                                              action:@selector(settingsButtonWasPressed:)];
+
+    self.activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
+    self.activityIndicator.hidesWhenStopped = YES;
+    [self.view addSubview:self.activityIndicator];
+}
+
+-(void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    
+    if (FBSession.activeSession.isOpen) {
+        [self populateUserDetails];
+        self.userProfileImage.hidden = NO;
+    } else {
+        self.userProfileImage.hidden = YES;
+    }
+}
+
+- (void) viewDidAppear:(BOOL)animated {
+    if (FBSession.activeSession.isOpen) {
+        [self.locationManager startUpdatingLocation];
+    }
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+    
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+
+    // Release any retained subviews of the main view.
+    self.mealPickerActionSheet = nil;
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+}
+
+#pragma mark - UIAlertViewDelegate 
+
+- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
+    if (!alertView.cancelButtonIndex == buttonIndex) {
+        self.selectedMeal = [alertView textFieldAtIndex:0].text;
+        [self updateSelections];
+    }
+}
+
+#pragma mark - FBUserSettingsDelegate methods
+
+- (void)loginViewControllerDidLogUserOut:(id)sender {
+    // Facebook SDK * login flow *
+    // There are many ways to implement the Facebook login flow.
+    // In this sample, the FBLoginView delegate (SCLoginViewController)
+    // will already handle logging out so this method is a no-op.
+}
+
+- (void)loginViewController:(id)sender receivedError:(NSError *)error{
+    // Facebook SDK * login flow *
+    // There are many ways to implement the Facebook login flow.
+    // In this sample, the FBUserSettingsViewController is only presented
+    // as a log out option after the user has been authenticated, so
+    // no real errors should occur. If the FBUserSettingsViewController
+    // had been the entry point to the app, then this error handler should
+    // be as rigorous as the FBLoginView delegate (SCLoginViewController)
+    // in order to handle login errors.
+    if (error) {
+        NSLog(@"Unexpected error sent to the FBUserSettingsViewController delegate: %@", error);
+    }
+}
+
+#pragma mark - UITableViewDataSource methods and related helpers
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return 4;
+}
+
+- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
+{
+    static NSString *CellIdentifier = @"Cell";
+    
+    UITableViewCell *cell = (UITableViewCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (cell == nil) {
+        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
+        cell.accessoryType = UITableViewCellAccessoryNone;
+        cell.selectionStyle = UITableViewCellSelectionStyleNone;
+        
+        cell.textLabel.font = [UIFont systemFontOfSize:16];
+        cell.textLabel.backgroundColor = [UIColor colorWithWhite:0 alpha:0];
+        cell.textLabel.lineBreakMode = UILineBreakModeTailTruncation;
+        cell.textLabel.clipsToBounds = YES;
+
+        cell.detailTextLabel.font = [UIFont systemFontOfSize:12];
+        cell.detailTextLabel.backgroundColor = [UIColor colorWithWhite:0 alpha:0];
+        cell.detailTextLabel.textColor = [UIColor colorWithRed:0.4 green:0.6 blue:0.8 alpha:1];
+        cell.detailTextLabel.lineBreakMode = UILineBreakModeTailTruncation;
+        cell.detailTextLabel.clipsToBounds = YES;
+    }
+    
+    switch (indexPath.row) {
+        case 0:
+            cell.textLabel.text = @"What are you eating?";
+            cell.detailTextLabel.text = @"Select one";
+            cell.imageView.image = [UIImage imageNamed:@"action-eating.png"];
+            break;
+            
+        case 1:
+            cell.textLabel.text = @"Where are you?";
+            cell.detailTextLabel.text = @"Select one";
+            cell.imageView.image = [UIImage imageNamed:@"action-location.png"];
+            break;
+            
+        case 2:
+            cell.textLabel.text = @"With whom?";
+            cell.detailTextLabel.text = @"Select friends";
+            cell.imageView.image = [UIImage imageNamed:@"action-people.png"];
+            break;
+            
+        case 3:
+            cell.textLabel.text = @"Got a picture?";
+            cell.detailTextLabel.text = @"Take one";
+            cell.imageView.image = [UIImage imageNamed:@"action-photo.png"];
+            break;
+            
+        default:
+            break;
+    }
+
+    return cell;
+}
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    return 1;
+}
+
+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
+    return NO;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    switch (indexPath.row) {
+        case 0: {
+            // if we don't yet have an array of meal types, create one now
+            if (!self.mealTypes) {
+                self.mealTypes = [NSArray arrayWithObjects:
+                                  @"< Write Your Own >",
+                                  @"Cheeseburger", 
+                                  @"Pizza",
+                                  @"Hotdog",
+                                  @"Italian",
+                                  @"French",
+                                  @"Chinese",
+                                  @"Thai",
+                                  @"Indian",
+                                  nil];
+            }
+            self.mealPickerActionSheet = [[UIActionSheet alloc] initWithTitle:@"Select a meal"
+                                                                     delegate:self
+                                                            cancelButtonTitle:nil
+                                                       destructiveButtonTitle:nil
+                                                            otherButtonTitles:nil];
+                                          
+            for( NSString *meal in self.mealTypes) {
+                [self.mealPickerActionSheet addButtonWithTitle:meal]; 
+            }
+            
+            self.mealPickerActionSheet.cancelButtonIndex = [self.mealPickerActionSheet addButtonWithTitle:@"Cancel"];
+            [self.mealPickerActionSheet showFromToolbar:self.navigationController.toolbar];
+            return;
+        }
+        
+        case 1: {
+            if (FBSession.activeSession.isOpen) {
+                FBPlacePickerViewController *placePicker = [[FBPlacePickerViewController alloc] init];
+                
+                placePicker.title = @"Select a restaurant";
+                
+                // SIMULATOR BUG:
+                // See http://stackoverflow.com/questions/7003155/error-server-did-not-accept-client-registration-68
+                // at times the simulator fails to fetch a location; when that happens rather than fetch a
+                // a meal near 0,0 -- let's see if we can find something good in Paris
+                if (self.placeCacheDescriptor == nil) {
+                    [self setPlaceCacheDescriptorForCoordinates:CLLocationCoordinate2DMake(48.857875, 2.294635)];
+                }
+                
+                [placePicker configureUsingCachedDescriptor:self.placeCacheDescriptor];
+                [placePicker loadData];
+                [placePicker presentModallyFromViewController:self
+                                                     animated:YES
+                                                      handler:^(FBViewController *sender, BOOL donePressed) {
+                                                          if (donePressed) {
+                                                              self.selectedPlace = placePicker.selection;
+                                                              [self updateSelections];
+                                                          }
+                                                      }];
+            } else {
+                // if not logged in, give the user the option to log in
+                [self presentLoginSettings];
+            }
+            return;
+        }
+            
+        case 2: {
+            if (FBSession.activeSession.isOpen) {
+                FBFriendPickerViewController *friendPicker = [[FBFriendPickerViewController alloc] init];
+                
+                // Set up the friend picker to sort and display names the same way as the
+                // iOS Address Book does.
+                
+                // Need to call ABAddressBookCreate in order for the next two calls to do anything.
+                ABAddressBookRef addressBook = ABAddressBookCreate();
+                ABPersonSortOrdering sortOrdering = ABPersonGetSortOrdering();
+                ABPersonCompositeNameFormat nameFormat = ABPersonGetCompositeNameFormat();
+                
+                friendPicker.sortOrdering = (sortOrdering == kABPersonSortByFirstName) ? FBFriendSortByFirstName : FBFriendSortByLastName;
+                friendPicker.displayOrdering = (nameFormat == kABPersonCompositeNameFormatFirstNameFirst) ? FBFriendDisplayByFirstName : FBFriendDisplayByLastName;
+                
+                [friendPicker loadData];
+                [friendPicker presentModallyFromViewController:self
+                                                      animated:YES
+                                                       handler:^(FBViewController *sender, BOOL donePressed) {
+                                                           if (donePressed) {
+                                                               self.selectedFriends = friendPicker.selection;
+                                                               [self updateSelections];
+                                                           }
+                                                       }];
+                CFRelease(addressBook);
+            } else {
+                // if not logged in, give the user the option to log in
+                [self presentLoginSettings];
+            }
+            return;
+        }
+            
+        case 3:
+            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+                self.popoverFromRect = [tableView rectForRowAtIndexPath:indexPath];
+            }
+            if(!self.imagePickerActionSheet) {
+                self.imagePickerActionSheet = [[UIActionSheet alloc] initWithTitle:@""
+                                                                          delegate:self
+                                                                 cancelButtonTitle:@"Cancel"
+                                                            destructiveButtonTitle:nil
+                                                                 otherButtonTitles:@"Take Photo", @"Choose Existing", nil];
+            }
+            
+            [self.imagePickerActionSheet showInView:self.view];
+            return;
+    }
+}
+
+- (void)updateCellIndex:(int)index withSubtitle:(NSString *)subtitle {
+    UITableViewCell *cell = (UITableViewCell *)[self.menuTableView cellForRowAtIndexPath:
+                                                [NSIndexPath indexPathForRow:index inSection:0]];
+    cell.detailTextLabel.text = subtitle;
+}
+
+- (void)updateSelections {
+    [self updateCellIndex:0 withSubtitle:(self.selectedMeal ?
+                                          self.selectedMeal :
+                                          @"Select one")];
+    [self updateCellIndex:1 withSubtitle:(self.selectedPlace ?
+                                          self.selectedPlace.name :
+                                          @"Select one")];
+    
+    NSString *friendsSubtitle = @"Select friends";
+    int friendCount = self.selectedFriends.count;
+    if (friendCount > 2) {
+        // Just to mix things up, don't always show the first friend.
+        id<FBGraphUser> randomFriend = [self.selectedFriends objectAtIndex:arc4random() % friendCount];
+        friendsSubtitle = [NSString stringWithFormat:@"%@ and %d others",
+                           randomFriend.name,
+                           friendCount - 1];
+    } else if (friendCount == 2) {
+        id<FBGraphUser> friend1 = [self.selectedFriends objectAtIndex:0];
+        id<FBGraphUser> friend2 = [self.selectedFriends objectAtIndex:1];
+        friendsSubtitle = [NSString stringWithFormat:@"%@ and %@",
+                           friend1.name,
+                           friend2.name];
+    } else if (friendCount == 1) {
+        id<FBGraphUser> friend = [self.selectedFriends objectAtIndex:0];
+        friendsSubtitle = friend.name;
+    }
+    [self updateCellIndex:2 withSubtitle:friendsSubtitle];
+    
+    [self updateCellIndex:3 withSubtitle:(self.selectedPhoto ? @"Ready" : @"Take one")];
+    
+    self.announceButton.enabled = (self.selectedMeal != nil);
+}
+
+#pragma mark - CLLocationManagerDelegate methods and related
+
+- (void)locationManager:(CLLocationManager *)manager 
+    didUpdateToLocation:(CLLocation *)newLocation 
+           fromLocation:(CLLocation *)oldLocation {
+    if (!oldLocation ||
+        (oldLocation.coordinate.latitude != newLocation.coordinate.latitude && 
+         oldLocation.coordinate.longitude != newLocation.coordinate.longitude &&
+         newLocation.horizontalAccuracy <= 100.0)) {
+            // Fetch data at this new location, and remember the cache descriptor.
+            [self setPlaceCacheDescriptorForCoordinates:newLocation.coordinate];
+            [self.placeCacheDescriptor prefetchAndCacheForSession:FBSession.activeSession];
+    }
+}
+
+- (void)locationManager:(CLLocationManager *)manager 
+       didFailWithError:(NSError *)error {
+	NSLog(@"%@", error);
+}
+
+- (void)setPlaceCacheDescriptorForCoordinates:(CLLocationCoordinate2D)coordinates {
+    self.placeCacheDescriptor =
+    [FBPlacePickerViewController cacheDescriptorWithLocationCoordinate:coordinates
+                                                        radiusInMeters:1000
+                                                            searchText:@"restaurant"
+                                                          resultsLimit:50
+                                                      fieldsForRequest:nil];
+}
+
+#pragma mark -
+
+- (UIImage*) normalizedImage:(UIImage*)image {
+	CGImageRef          imgRef = image.CGImage;
+	CGFloat             width = CGImageGetWidth(imgRef);
+	CGFloat             height = CGImageGetHeight(imgRef);
+	CGAffineTransform   transform = CGAffineTransformIdentity;
+	CGRect              bounds = CGRectMake(0, 0, width, height);
+    CGSize              imageSize = bounds.size;
+	CGFloat             boundHeight;
+    UIImageOrientation  orient = image.imageOrientation;
+    
+	switch (orient) {
+		case UIImageOrientationUp: //EXIF = 1
+			transform = CGAffineTransformIdentity;
+			break;
+            
+		case UIImageOrientationDown: //EXIF = 3
+			transform = CGAffineTransformMakeTranslation(imageSize.width, imageSize.height);
+			transform = CGAffineTransformRotate(transform, M_PI);
+			break;
+            
+		case UIImageOrientationLeft: //EXIF = 6
+			boundHeight = bounds.size.height;
+			bounds.size.height = bounds.size.width;
+			bounds.size.width = boundHeight;
+			transform = CGAffineTransformMakeTranslation(imageSize.height, imageSize.width);
+			transform = CGAffineTransformScale(transform, -1.0, 1.0);
+			transform = CGAffineTransformRotate(transform, 3.0 * M_PI / 2.0);
+			break;
+            
+		case UIImageOrientationRight: //EXIF = 8
+			boundHeight = bounds.size.height;
+			bounds.size.height = bounds.size.width;
+			bounds.size.width = boundHeight;
+			transform = CGAffineTransformMakeTranslation(0.0, imageSize.width);
+			transform = CGAffineTransformRotate(transform, 3.0 * M_PI / 2.0);
+			break;
+            
+		default:
+            // image is not auto-rotated by the photo picker, so whatever the user
+            // sees is what they expect to get. No modification necessary
+            transform = CGAffineTransformIdentity;
+            break;
+	}
+    
+	UIGraphicsBeginImageContext(bounds.size);
+	CGContextRef context = UIGraphicsGetCurrentContext();
+    
+    if ((image.imageOrientation == UIImageOrientationDown) ||
+        (image.imageOrientation == UIImageOrientationRight) ||
+        (image.imageOrientation == UIImageOrientationUp)) {
+        // flip the coordinate space upside down
+        CGContextScaleCTM(context, 1, -1);
+        CGContextTranslateCTM(context, 0, -height);
+    }
+    
+	CGContextConcatCTM(context, transform);
+	CGContextDrawImage(UIGraphicsGetCurrentContext(), CGRectMake(0, 0, width, height), imgRef);
+	UIImage *imageCopy = UIGraphicsGetImageFromCurrentImageContext();
+	UIGraphicsEndImageContext();
+    
+	return imageCopy;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/SCViewController.xib b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/SCViewController.xib
new file mode 100644
index 0000000..bf2533b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/SCViewController.xib
@@ -0,0 +1,367 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1296</int>
+		<string key="IBDocument.SystemVersion">11D50d</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2182</string>
+		<string key="IBDocument.AppKitVersion">1138.32</string>
+		<string key="IBDocument.HIToolboxVersion">568.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">1181</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBUITableView</string>
+			<string>IBUIButton</string>
+			<string>IBUIView</string>
+			<string>IBUILabel</string>
+			<string>IBProxyObject</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBProxyObject" id="843779117">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUIView" id="774585933">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
+					<object class="IBUILabel" id="422181324">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">288</int>
+						<string key="NSFrame">{{104, 17}, {210, 21}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="759518333"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<string key="IBUIText"/>
+						<object class="NSColor" key="IBUITextColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MCAwIDAAA</bytes>
+						</object>
+						<nil key="IBUIHighlightedColor"/>
+						<int key="IBUIBaselineAdjustment">0</int>
+						<float key="IBUIMinimumFontSize">10</float>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">1</int>
+							<double key="pointSize">17</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica</string>
+							<double key="NSSize">17</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUITableView" id="759518333">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">306</int>
+						<string key="NSFrame">{{0, 118}, {320, 342}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="522544887"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MSAxIDEAA</bytes>
+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<bool key="IBUIAlwaysBounceVertical">YES</bool>
+						<bool key="IBUIScrollEnabled">NO</bool>
+						<int key="IBUIStyle">1</int>
+						<int key="IBUISeparatorStyle">2</int>
+						<int key="IBUISectionIndexMinimumDisplayRowCount">0</int>
+						<float key="IBUIRowHeight">44</float>
+						<float key="IBUISectionHeaderHeight">10</float>
+						<float key="IBUISectionFooterHeight">10</float>
+					</object>
+					<object class="IBUIButton" id="522544887">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">293</int>
+						<string key="NSFrame">{{104, 348}, {106, 37}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<bool key="IBUIEnabled">NO</bool>
+						<int key="IBUIContentHorizontalAlignment">0</int>
+						<int key="IBUIContentVerticalAlignment">0</int>
+						<int key="IBUIButtonType">1</int>
+						<string key="IBUINormalTitle">Announce</string>
+						<object class="NSColor" key="IBUIHighlightedTitleColor" id="1044544176">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+						</object>
+						<object class="NSColor" key="IBUIDisabledTitleColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MC44ODQ3NjU2MjUgMC44ODQ3NjU2MjUgMC44ODQ3NjU2MjUAA</bytes>
+						</object>
+						<object class="NSColor" key="IBUINormalTitleColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MC4xOTYwNzg0MzQ2IDAuMzA5ODAzOTMyOSAwLjUyMTU2ODY1NgA</bytes>
+						</object>
+						<object class="NSColor" key="IBUINormalTitleShadowColor">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MC41AA</bytes>
+						</object>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">2</int>
+							<double key="pointSize">15</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica-Bold</string>
+							<double key="NSSize">15</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+					<object class="IBUIView" id="180598074">
+						<reference key="NSNextResponder" ref="774585933"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 17}, {75, 75}}</string>
+						<reference key="NSSuperview" ref="774585933"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="422181324"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">3</int>
+							<bytes key="NSWhite">MQA</bytes>
+							<object class="NSColorSpace" key="NSCustomColorSpace">
+								<int key="NSID">2</int>
+							</object>
+						</object>
+						<int key="IBUIContentMode">4</int>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+					</object>
+				</array>
+				<string key="NSFrame">{{0, 20}, {320, 460}}</string>
+				<reference key="NSSuperview"/>
+				<reference key="NSWindow"/>
+				<reference key="NSNextKeyView" ref="180598074"/>
+				<reference key="IBUIBackgroundColor" ref="1044544176"/>
+				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="774585933"/>
+					</object>
+					<int key="connectionID">7</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">userNameLabel</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="422181324"/>
+					</object>
+					<int key="connectionID">21</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">announceButton</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="522544887"/>
+					</object>
+					<int key="connectionID">26</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">userProfileImage</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="180598074"/>
+					</object>
+					<int key="connectionID">29</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">menuTableView</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="759518333"/>
+					</object>
+					<int key="connectionID">30</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">dataSource</string>
+						<reference key="source" ref="759518333"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
+					<int key="connectionID">20</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="759518333"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
+					<int key="connectionID">24</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">announce:</string>
+						<reference key="source" ref="522544887"/>
+						<reference key="destination" ref="372490531"/>
+						<int key="IBEventType">7</int>
+					</object>
+					<int key="connectionID">27</int>
+				</object>
+			</array>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<array key="orderedObjects">
+					<object class="IBObjectRecord">
+						<int key="objectID">0</int>
+						<array key="object" id="0"/>
+						<reference key="children" ref="1000"/>
+						<nil key="parent"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-1</int>
+						<reference key="object" ref="372490531"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-2</int>
+						<reference key="object" ref="843779117"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">6</int>
+						<reference key="object" ref="774585933"/>
+						<array class="NSMutableArray" key="children">
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+							<reference ref="522544887"/>
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+							<reference ref="180598074"/>
+						</array>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">17</int>
+						<reference key="object" ref="422181324"/>
+						<reference key="parent" ref="774585933"/>
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+						<reference key="object" ref="759518333"/>
+						<reference key="parent" ref="774585933"/>
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+					<object class="IBObjectRecord">
+						<int key="objectID">25</int>
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+						<reference key="object" ref="180598074"/>
+						<reference key="parent" ref="774585933"/>
+					</object>
+				</array>
+			</object>
+			<dictionary class="NSMutableDictionary" key="flattenedProperties">
+				<string key="-1.CustomClassName">SCViewController</string>
+				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="17.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="19.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="25.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<real value="3" key="25.IBUIButtonInspectorSelectedStateConfigurationMetadataKey"/>
+				<string key="28.CustomClassName">FBProfilePictureView</string>
+				<string key="28.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="6.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+			<int key="maxID">30</int>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">FBProfilePictureView</string>
+					<string key="superclassName">UIView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/FBProfilePictureView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">SCViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<object class="NSMutableDictionary" key="actions">
+						<string key="NS.key.0">announce:</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="actionInfosByName">
+						<string key="NS.key.0">announce:</string>
+						<object class="IBActionInfo" key="NS.object.0">
+							<string key="name">announce:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="announceButton">UIButton</string>
+						<string key="menuTableView">UITableView</string>
+						<string key="userNameLabel">UILabel</string>
+						<string key="userProfileImage">FBProfilePictureView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="announceButton">
+							<string key="name">announceButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="menuTableView">
+							<string key="name">menuTableView</string>
+							<string key="candidateClassName">UITableView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="userNameLabel">
+							<string key="name">userNameLabel</string>
+							<string key="candidateClassName">UILabel</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="userProfileImage">
+							<string key="name">userProfileImage</string>
+							<string key="candidateClassName">FBProfilePictureView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/SCViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1296" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<string key="IBCocoaTouchPluginVersion">1181</string>
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+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/Scrumptious.strings b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/Scrumptious.strings
new file mode 100644
index 0000000..5a05676
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/en.lproj/Scrumptious.strings
@@ -0,0 +1,4 @@
+/* 
+  Scrumptious
+  Scrumptious
+*/
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/he.lproj/Scrumptious.strings b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/he.lproj/Scrumptious.strings
new file mode 100644
index 0000000..5a05676
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/he.lproj/Scrumptious.strings
@@ -0,0 +1,4 @@
+/* 
+  Scrumptious
+  Scrumptious
+*/
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-eating.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-eating.png
new file mode 100644
index 0000000..7b951ed
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-eating.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-location.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-location.png
new file mode 100644
index 0000000..13dfe86
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-location.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-people.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-people.png
new file mode 100644
index 0000000..1954626
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-people.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-photo.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-photo.png
new file mode 100644
index 0000000..46533cc
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/action-photo.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/facebook.png b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/facebook.png
new file mode 100755
index 0000000..daf8097
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/images/facebook.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/main.m b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/main.m
new file mode 100644
index 0000000..a8ba3f9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/main.m
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Accounts/ACAccountStore.h>
+#import <UIKit/UIKit.h>
+
+#import "SCAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([SCAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Info.plist b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Info.plist
new file mode 100644
index 0000000..d12ff40
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Info.plist
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Scrumptious</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb233936543368280</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>${FB_BUNDLE_VERSION}</string>
+	<key>FacebookAppID</key>
+	<string>233936543368280</string>
+	<key>FacebookDisplayName</key>
+	<string>Scrumptious</string>
+	<key>FacebookBundleName</key>
+	<string>FacebookSDKOverrides</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Prefix.pch b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Prefix.pch
new file mode 100644
index 0000000..65193bd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/Scrumptious/scrumptious/scrumptious-Prefix.pch
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2012 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+//
+// Prefix header for all source files of the 'Scrumptious' target in the 'Scrumptious' project
+//
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/ReadMe.txt
new file mode 100644
index 0000000..eb9c30f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/ReadMe.txt
@@ -0,0 +1,8 @@
+Session Login sample
+
+Demonstrates how to use the FBSession object to login to Facebook and manage access tokens.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the SessionLoginSample project using Xcode from the
+<Facebook SDK>/samples/SessionLoginSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..649b59f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample.xcodeproj/project.pbxproj
@@ -0,0 +1,353 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
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+/* End PBXBuildFile section */
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+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
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+			isa = PBXGroup;
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+				84C757CF152A38770070DD9C /* SLViewController.m */,
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+				84C757C4152A38770070DD9C /* SessionLoginSample-Info.plist */,
+				84C757C5152A38770070DD9C /* InfoPlist.strings */,
+				84C757C8152A38770070DD9C /* main.m */,
+				84C757CA152A38770070DD9C /* SessionLoginSample-Prefix.pch */,
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+/* End PBXGroup section */
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+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
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+			name = Release;
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+		84C757DA152A38780070DD9C /* Debug */ = {
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+				);
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+				GCC_PREFIX_HEADER = "SessionLoginSample/SessionLoginSample-Prefix.pch";
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+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = SessionLoginSample;
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+			name = Debug;
+		};
+		84C757DB152A38780070DD9C /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
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+					"$(inherited)",
+					"\"$(SRCROOT)/../../build\"",
+				);
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+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = SessionLoginSample;
+				WRAPPER_EXTENSION = app;
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+			name = Release;
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+/* End XCBuildConfiguration section */
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+/* Begin XCConfigurationList section */
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diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.h b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.h
new file mode 100644
index 0000000..ea3080e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+// Session Login sample application
+//
+// The purpose of this sample application is to provide an example of 
+// how to log in with Facebook. The goal of the sample is to show how 
+// to use the FBSession class for this purpose, with minimal additional
+// sample functionality to distract from the core topic.
+
+@class SLViewController;
+
+@interface SLAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) SLViewController *viewController;
+
+// FBSample logic
+// In this sample the app delegate maintains a property for the current 
+// active session, and the view controllers reference the session via
+// this property, as well as play a role in keeping the session object
+// up to date; a more complicated application may choose to introduce
+// a simple singleton that owns the active FBSession object as well
+// as access to the object by the rest of the application
+@property (strong, nonatomic) FBSession *session;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.m b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.m
new file mode 100644
index 0000000..d9ed99d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLAppDelegate.m
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SLAppDelegate.h"
+
+#import "SLViewController.h"
+
+@implementation SLAppDelegate
+
+@synthesize window = _window;
+@synthesize viewController = _viewController;
+@synthesize session = _session;
+
+// FBSample logic
+// The native facebook application transitions back to an authenticating application when the user 
+// chooses to either log in, or cancel. The url passed to this method contains the token in the
+// case of a successful login. By passing the url to the handleOpenURL method of FBAppCall the provided
+// session object can parse the URL, and capture the token for use by the rest of the authenticating
+// application; the return value of handleOpenURL indicates whether or not the URL was handled by the
+// session object, and does not reflect whether or not the login was successful; the session object's
+// state, as well as its arguments passed to the state completion handler indicate whether the login
+// was successful; note that if the session is nil or closed when handleOpenURL is called, the expression 
+// will be boolean NO, meaning the URL was not handled by the authenticating application 
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    // attempt to extract a token from the url
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication
+                        withSession:self.session];
+}
+
+// FBSample logic
+// Whether it is in applicationWillTerminate, in applicationDidEnterBackground, or in some other part
+// of your application, it is important that you close an active session when it is no longer useful
+// to your application; if a session is not properly closed, a retain cycle may occur between the block
+// and an object that holds a reference to the session object; close releases the handler, breaking any
+// inadvertant retain cycles
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // FBSample logic
+    // if the app is going away, we close the session if it is open
+    // this is a good idea because things may be hanging off the session, that need 
+    // releasing (completion block, etc.) and other components in the app may be awaiting
+    // close notification in order to do cleanup
+    [self.session close];
+}
+
+#pragma mark Template generated code
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        self.viewController = [[SLViewController alloc] initWithNibName:@"SLViewController_iPhone" bundle:nil];
+    } else {
+        self.viewController = [[SLViewController alloc] initWithNibName:@"SLViewController_iPad" bundle:nil];
+    }
+    self.window.rootViewController = self.viewController;
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+// FBSample logic
+// It is possible for the user to switch back to your application, from the native Facebook application, 
+// when the user is part-way through a login; You can check for the FBSessionStateCreatedOpenening
+// state in applicationDidBecomeActive, to identify this situation and close the session; a more sophisticated
+// application may choose to notify the user that they switched away from the Facebook application without
+// completely logging in
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+  
+    /*
+     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+     */
+    
+    // FBSample logic
+    // We need to properly handle activation of the application with regards to SSO
+    //  (e.g., returning from iOS 6.0 authorization dialog or from fast app switching).
+    [FBAppCall handleDidBecomeActiveWithSession:self.session];
+}
+
+#pragma mark Template generated code
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.h b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.h
new file mode 100644
index 0000000..3cc6c51
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface SLViewController : UIViewController
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.m b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.m
new file mode 100644
index 0000000..8d7811d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SLViewController.m
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SLViewController.h"
+#import "SLAppDelegate.h"
+
+@interface SLViewController () 
+
+@property (strong, nonatomic) IBOutlet UIButton *buttonLoginLogout;
+@property (strong, nonatomic) IBOutlet UITextView *textNoteOrLink;
+
+- (IBAction)buttonClickHandler:(id)sender;
+- (void)updateView;
+
+@end
+
+@implementation SLViewController
+
+@synthesize textNoteOrLink = _textNoteOrLink;
+@synthesize buttonLoginLogout = _buttonLoginLogout;
+
+- (void)viewDidLoad {    
+    [super viewDidLoad];
+	// Do any additional setup after loading the view, typically from a nib.
+    
+    [self updateView];
+    
+    SLAppDelegate *appDelegate = [[UIApplication sharedApplication]delegate];
+    if (!appDelegate.session.isOpen) {
+        // create a fresh session object
+        appDelegate.session = [[FBSession alloc] init];
+        
+        // if we don't have a cached token, a call to open here would cause UX for login to
+        // occur; we don't want that to happen unless the user clicks the login button, and so
+        // we check here to make sure we have a token before calling open
+        if (appDelegate.session.state == FBSessionStateCreatedTokenLoaded) {
+            // even though we had a cached token, we need to login to make the session usable
+            [appDelegate.session openWithCompletionHandler:^(FBSession *session, 
+                                                             FBSessionState status, 
+                                                             NSError *error) {
+                // we recurse here, in order to update buttons and labels
+                [self updateView];
+            }];
+        }
+    }
+}
+
+// FBSample logic
+// main helper method to update the UI to reflect the current state of the session.
+- (void)updateView {
+    // get the app delegate, so that we can reference the session property
+    SLAppDelegate *appDelegate = [[UIApplication sharedApplication]delegate];
+    if (appDelegate.session.isOpen) {        
+        // valid account UI is shown whenever the session is open
+        [self.buttonLoginLogout setTitle:@"Log out" forState:UIControlStateNormal];        
+        [self.textNoteOrLink setText:[NSString stringWithFormat:@"https://graph.facebook.com/me/friends?access_token=%@",
+                                 appDelegate.session.accessTokenData.accessToken]];
+    } else {        
+        // login-needed account UI is shown whenever the session is closed
+        [self.buttonLoginLogout setTitle:@"Log in" forState:UIControlStateNormal];        
+        [self.textNoteOrLink setText:@"Login to create a link to fetch account data"];        
+    }
+}
+
+// FBSample logic
+// handler for button click, logs sessions in or out
+- (IBAction)buttonClickHandler:(id)sender {
+    // get the app delegate so that we can access the session property
+    SLAppDelegate *appDelegate = [[UIApplication sharedApplication]delegate];
+    
+    // this button's job is to flip-flop the session from open to closed
+    if (appDelegate.session.isOpen) {
+        // if a user logs out explicitly, we delete any cached token information, and next
+        // time they run the applicaiton they will be presented with log in UX again; most
+        // users will simply close the app or switch away, without logging out; this will
+        // cause the implicit cached-token login to occur on next launch of the application
+        [appDelegate.session closeAndClearTokenInformation];
+        
+    } else {
+        if (appDelegate.session.state != FBSessionStateCreated) {
+            // Create a new, logged out session.
+            appDelegate.session = [[FBSession alloc] init];
+        }
+        
+        // if the session isn't open, let's open it now and present the login UX to the user
+        [appDelegate.session openWithCompletionHandler:^(FBSession *session, 
+                                                         FBSessionState status, 
+                                                         NSError *error) {
+            // and here we make sure to update our UX according to the new session state
+            [self updateView];
+        }];
+    } 
+}
+
+#pragma mark Template generated code
+
+- (void)viewDidUnload
+{
+    self.buttonLoginLogout = nil;
+    self.textNoteOrLink = nil;
+    
+    [super viewDidUnload];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
+{
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Info.plist b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Info.plist
new file mode 100644
index 0000000..c6c001a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Info.plist
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.sessionlogin</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb380615018626574</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>380615018626574</string>
+	<key>FacebookDisplayName</key>
+	<string>SessionLoginSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Prefix.pch
new file mode 100644
index 0000000..60f9f22
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/SessionLoginSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'SessionLoginSample' target in the 'SessionLoginSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPad.xib
new file mode 100644
index 0000000..aa98b4f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPad.xib
@@ -0,0 +1,217 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1280</int>
+		<string key="IBDocument.SystemVersion">11C74</string>
+		<string key="IBDocument.InterfaceBuilderVersion">1938</string>
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+		<string key="IBDocument.HIToolboxVersion">567.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">933</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBUITextView</string>
+			<string>IBUIButton</string>
+			<string>IBUIView</string>
+			<string>IBProxyObject</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
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+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
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+				<reference key="NSNextResponder"/>
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+						<bool key="IBUIOpaque">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
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+						</object>
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+						</object>
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+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica-Bold</string>
+							<double key="NSSize">15</double>
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+						</object>
+					</object>
+					<object class="IBUITextView" id="930965577">
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+						<string key="NSReuseIdentifierKey">_NS:639</string>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">3</int>
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+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<bool key="IBUIMultipleTouchEnabled">YES</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<bool key="IBUIEditable">NO</bool>
+						<string key="IBUIText"/>
+						<int key="IBUITextAlignment">1</int>
+						<object class="IBUITextInputTraits" key="IBUITextInputTraits">
+							<int key="IBUIAutocapitalizationType">2</int>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						</object>
+						<int key="IBUIDataDetectorTypes">2</int>
+						<object class="IBUIFontDescription" key="IBUIFontDescription">
+							<int key="type">1</int>
+							<double key="pointSize">14</double>
+						</object>
+						<object class="NSFont" key="IBUIFont">
+							<string key="NSName">Helvetica</string>
+							<double key="NSSize">14</double>
+							<int key="NSfFlags">16</int>
+						</object>
+					</object>
+				</array>
+				<string key="NSFrame">{{0, 20}, {768, 1004}}</string>
+				<reference key="NSSuperview"/>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">3</int>
+					<bytes key="NSWhite">MQA</bytes>
+					<object class="NSColorSpace" key="NSCustomColorSpace">
+						<int key="NSID">2</int>
+					</object>
+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics">
+					<int key="IBUIStatusBarStyle">2</int>
+				</object>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="766721923"/>
+					</object>
+					<int key="connectionID">3</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">buttonLoginLogout</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="248274853"/>
+					</object>
+					<int key="connectionID">5</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">textNoteOrLink</string>
+						<reference key="source" ref="841351856"/>
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+					</object>
+					<int key="connectionID">8</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchEventConnection" key="connection">
+						<string key="label">buttonClickHandler:</string>
+						<reference key="source" ref="248274853"/>
+						<reference key="destination" ref="841351856"/>
+						<int key="IBEventType">7</int>
+					</object>
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+				</object>
+			</array>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<array key="orderedObjects">
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+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-2</int>
+						<reference key="object" ref="606714003"/>
+						<reference key="parent" ref="0"/>
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+				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="7.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
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+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<string key="IBCocoaTouchPluginVersion">933</string>
+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPhone.xib
new file mode 100644
index 0000000..7ba4cdf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/en.lproj/SLViewController_iPhone.xib
@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="UTF-8"?>
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+	<data>
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+		<string key="IBDocument.HIToolboxVersion">567.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
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+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBUITextView</string>
+			<string>IBUIButton</string>
+			<string>IBUIView</string>
+			<string>IBProxyObject</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
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+							<string key="NSName">Helvetica</string>
+							<double key="NSSize">14</double>
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diff --git a/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/main.m b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/main.m
new file mode 100644
index 0000000..556f33f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SessionLoginSample/SessionLoginSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "SLAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([SLAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/ReadMe.txt b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/ReadMe.txt
new file mode 100644
index 0000000..b745935
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/ReadMe.txt
@@ -0,0 +1,13 @@
+Switch User sample
+
+Demonstrates an approach to allow switching between multiple users on, for example, a shared family iPad.
+
+In this sample, we have the concept of a "Primary User" and up to three "Guest Users". The Primary User
+authenticates using SSO, if possible, while the Guest Users are asked to login using their Facebook
+credentials. Once authenticated, no further requests are made for user passwords, etc., so a solution
+such as this would be applicable only in a scenario that implies a high degree of trust amongst the
+various users.
+
+Using the Sample
+Install the Facebook SDK for iOS.
+Launch the SwitchUsersSample project using Xcode from the <Facebook SDK>/samples/SwitchUsersSample directory.
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..c80bb28
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample.xcodeproj/project.pbxproj
@@ -0,0 +1,378 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/Default-568h@2x.png b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/Default-568h@2x.png
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diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.h b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.h
new file mode 100644
index 0000000..94ddf73
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <FacebookSDK/FacebookSDK.h>
+#import "SUUserManager.h"
+
+// Switch User sample application
+//
+// The purpose of this sample application is show a more advanced use of
+// FBSession to manage tokens of multiple users. The idea behind this scenario
+// is an application which supports devices shared by multiple users (e.g. the
+// family iPad), and which remembers multiple users and lets the users easily
+// switch the currently active user
+
+@interface SUAppDelegate : UIResponder <UIApplicationDelegate, UITabBarControllerDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+@property (strong, nonatomic) UITabBarController *tabBarController;
+
+// FBSample logic
+// The SUUserManager class is a custom type included with this sample that shows
+// lightweight user-management performed by an application, which utilizes 
+// FBSession to manage login workflow and integration with Facebook
+@property (strong, nonatomic) SUUserManager *userManager;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.m
new file mode 100644
index 0000000..46910c3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUAppDelegate.m
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SUAppDelegate.h"
+#import "SUUsingViewController.h"
+#import "SUSettingsViewController.h"
+
+@implementation SUAppDelegate
+
+@synthesize window = _window;
+@synthesize tabBarController = _tabBarController;
+@synthesize userManager = _userManager;
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    
+    // FBSample logic
+    // Creates an instance of the SUUserManager class, used to manage multiple user logins; note that this
+    // application does not attempt to maintain multiple active users at once; however it does remember
+    // multiple users that have at one time or another logged onto facebook from the application; at any one
+    // time there is only a single active user
+    self.userManager = [[SUUserManager alloc] init];
+
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    // Override point for customization after application launch.
+    SUUsingViewController *viewController1;
+    SUSettingsViewController *viewController2;
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        viewController1 = [[SUUsingViewController alloc] initWithNibName:@"SUUsingViewController_iPhone" bundle:nil];
+        viewController2 = [[SUSettingsViewController alloc] initWithNibName:@"SUSettingsViewController_iPhone" bundle:nil];
+    } else {
+        viewController1 = [[SUUsingViewController alloc] initWithNibName:@"SUUsingViewController_iPad" bundle:nil];
+        viewController2 = [[SUSettingsViewController alloc] initWithNibName:@"SUSettingsViewController_iPad" bundle:nil];
+    }
+    viewController2.wantsFullScreenLayout = YES;
+    self.tabBarController = [[UITabBarController alloc] init];
+    self.tabBarController.viewControllers = [NSArray arrayWithObjects:viewController1, viewController2, nil];
+    self.window.rootViewController = self.tabBarController;
+    [self.window makeKeyAndVisible];
+    
+    // FBSample logic
+    // At startup time we attempt to log in the default user that has signed on using Facebook Login
+    [viewController2 loginDefaultUser];
+    
+    return YES;
+}
+
+// FBSample logic
+// As part of the login workflow, the native application or Safari will transition back to this application'
+// this method is then called, which defers the responsibility of parsing the url to the handleOpenURL method
+// of FBSession
+- (BOOL)application:(UIApplication *)application
+            openURL:(NSURL *)url
+  sourceApplication:(NSString *)sourceApplication
+         annotation:(id)annotation {
+    // attempt to extract a token from the url
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication
+                        withSession:self.userManager.currentSession];
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    [FBAppEvents activateApp];
+    [FBAppCall handleDidBecomeActiveWithSession:self.userManager.currentSession];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.h b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.h
new file mode 100644
index 0000000..776fd2d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface SUProfileTableViewCell : UITableViewCell
+
+@property (copy, nonatomic) NSString *userID;
+@property (copy, nonatomic) NSString *userName;
+@property (readonly) CGFloat desiredHeight;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.m
new file mode 100644
index 0000000..2b01f94
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUProfileTableViewCell.m
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SUProfileTableViewCell.h"
+#import <FacebookSDK/FacebookSDK.h>
+
+static const CGFloat leftMargin = 10;
+static const CGFloat topMargin = 5;
+static const CGFloat rightMargin = 30;
+static const CGFloat pictureWidth = 50;
+static const CGFloat pictureHeight = 50;
+
+@interface SUProfileTableViewCell ()
+
+// FBSample logic
+// This view is used to display the profile pictures within the list of user accounts
+@property (strong, nonatomic) FBProfilePictureView *profilePic;
+
+- (void)initializeSubViews;
+
+@end
+
+@implementation SUProfileTableViewCell
+
+@synthesize profilePic = _profilePic;
+
+#pragma mark - Lifecycle
+
+- (void)dealloc {
+    [_profilePic removeFromSuperview];
+}
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        [self initializeSubViews];
+    }
+    
+    return self;
+}
+
+- (id)initWithStyle:(UITableViewCellStyle)style
+    reuseIdentifier:(NSString *)reuseIdentifier {
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        [self initializeSubViews];
+    }
+    return self;
+}
+
+- (void)setSelected:(BOOL)selected animated:(BOOL)animated
+{
+    [super setSelected:selected animated:animated];
+
+    // Configure the view for the selected state
+}
+
+#pragma mark -
+
+- (void)initializeSubViews {   
+    FBProfilePictureView *profilePic = [[FBProfilePictureView alloc] 
+        initWithFrame:CGRectMake(
+            leftMargin,
+            topMargin,
+            pictureWidth,
+            pictureHeight)];
+    [self addSubview:profilePic];
+    self.profilePic = profilePic;
+    
+    self.clipsToBounds = YES;
+    self.autoresizesSubviews = YES;                                                                
+}
+
+- (void) layoutSubviews {
+    [super layoutSubviews];
+
+    CGSize size = self.bounds.size;
+    
+    self.textLabel.frame = CGRectMake(
+        leftMargin * 2 + pictureWidth, 
+        topMargin,
+        size.width - leftMargin - pictureWidth - rightMargin, 
+        size.height - topMargin);
+}
+
+#pragma mark - Properties
+
+- (NSString*)userID {
+    return self.profilePic.profileID;
+}
+
+- (void)setUserID:(NSString *)userID {
+    // FBSample logic
+    // Setting the profileID property of the profile picture view causes the view to fetch and display
+    // the profile picture for the given user
+    self.profilePic.profileID = userID;
+}
+
+- (NSString*)userName {
+    return self.textLabel.text;
+}
+
+- (void)setUserName:(NSString *)userName {
+    self.textLabel.text = userName;
+}
+
+- (CGFloat)desiredHeight {
+    return topMargin * 2 + pictureHeight;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.h b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.h
new file mode 100644
index 0000000..c9cc08d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface SUSettingsViewController : UIViewController <UITableViewDataSource, UITableViewDelegate>
+
+- (void)loginDefaultUser;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.m
new file mode 100644
index 0000000..83ec23d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController.m
@@ -0,0 +1,317 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SUSettingsViewController.h"
+#import "SUAppDelegate.h"
+#import "SUProfileTableViewCell.h"
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface SUSettingsViewController ()
+
+@property (strong, nonatomic) IBOutlet UITableView *usersTableView;
+// FBSample logic
+// The app fetches https://graph.facebook.com/me for a user account immedately after successful login;
+// the request object is cached in this property in order to have a means for canceling and identifying
+// the network request while it is in flight
+@property (strong, nonatomic) FBRequest *pendingRequest;
+@property (nonatomic) int pendingLoginForSlot;
+
+- (int)userSlotFromIndexPath:(NSIndexPath *)indexPath;
+- (void)loginSlot:(int)slot;
+- (NSIndexPath*)indexPathFromUserSlot:(int)slot;
+
+@end
+
+@implementation SUSettingsViewController
+
+@synthesize usersTableView;
+@synthesize pendingRequest = _pendingRequest;
+@synthesize pendingLoginForSlot = _pendingLoginForSlot;
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.title = NSLocalizedString(@"Settings", @"Settings");
+        self.tabBarItem.image = [UIImage imageNamed:@"second"];
+        self.pendingLoginForSlot = -1;
+    }
+    return self;
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+    self.usersTableView.delegate = nil;
+    self.usersTableView.dataSource = nil;
+    self.usersTableView = nil;
+}
+
+- (void)loginDefaultUser {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    if (![userManager isSlotEmpty:0]) {
+        [self loginSlot:0];
+    }
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+- (void)updateCell:(SUProfileTableViewCell *)cell
+           forSlot:(int)slot {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    NSString *userID = [userManager getUserIDInSlot:slot];
+    
+    cell.accessoryType = UITableViewCellAccessoryNone;
+    if (userID == nil) {
+        cell.userName = @"Empty slot";
+        cell.userID = nil;
+    } else {
+        if (slot == self.pendingLoginForSlot) {
+            cell.userName = @"Logging in...";
+        } else {
+            cell.userName = [userManager getUserNameInSlot:slot];
+        }
+        cell.userID = userID;
+        if (slot == [userManager currentUserSlot]) {
+            cell.accessoryType = UITableViewCellAccessoryCheckmark;
+        }
+    }
+}
+
+- (void)updateCellForSlot:(int)slot {    
+    SUProfileTableViewCell *cell = (SUProfileTableViewCell *)[self.usersTableView cellForRowAtIndexPath:
+                                                              [self indexPathFromUserSlot:slot]];
+    [self updateCell:cell forSlot:slot];
+}
+
+- (void)updateForSessionChangeForSlot:(int)slot {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    // FBSample logic
+    // Get the current session from the userManager
+    FBSession *session = userManager.currentSession;
+    
+    if (session.isOpen) {
+        // fetch profile info such as name, id, etc. for the open session
+        FBRequest *me = [[FBRequest alloc] initWithSession:session
+                                                 graphPath:@"me"];
+        
+        self.pendingRequest= me;
+        
+        [me startWithCompletionHandler:^(FBRequestConnection *connection, 
+                                         NSDictionary<FBGraphUser> *result,
+                                         NSError *error) {
+            // because we have a cached copy of the connection, we can check
+            // to see if this is the connection we care about; a prematurely 
+            // cancelled connection will short-circuit here
+            if (me != self.pendingRequest) {
+                return;
+            }
+            
+            self.pendingRequest = nil;
+            self.pendingLoginForSlot = -1;
+            
+            // we interpret an error in the initial fetch as a reason to 
+            // fail the user switch, and leave the application without an
+            // active user (similar to initial state)
+            if (error) {
+                NSLog(@"Couldn't switch user: %@", error.localizedDescription);
+                [userManager switchToNoActiveUser];
+                return;
+            }
+            [userManager updateUser:result inSlot:slot];
+            [self updateCellForSlot:slot];
+        }];
+    } else {
+        // in the closed case, we check to see if we picked up a cached token that we
+        // expect to be valid and ready for use; if so then we open the session on the spot
+        if (session.state == FBSessionStateCreatedTokenLoaded) {
+            // even though we had a cached token, we need to login to make the session usable
+            [session openWithCompletionHandler:^(FBSession *session, 
+                                                 FBSessionState status, 
+                                                 NSError *error) {
+                [self updateForSessionChangeForSlot:slot];
+            }];
+        }
+    }
+}
+
+- (void)loginSlot:(int)slot {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    if (slot < 0 || slot >= userManager.maximumUserSlots) {
+        return;
+    }
+    
+    int currentUserSlot = userManager.currentUserSlot;
+    
+    // If we can't log in as new user, we don't want to still be logged in as previous user,
+    // particularly if it might not be obvious to the user that the login failed.
+    [userManager switchToNoActiveUser];
+    self.pendingLoginForSlot = slot;
+    
+    if (slot != currentUserSlot) {
+        // Update the previously active user's cell
+        if (currentUserSlot >= 0 && currentUserSlot < [userManager maximumUserSlots]) {
+            [self updateCellForSlot:currentUserSlot];
+        }
+    }
+    
+    // FBSample logic
+    // We assume that the primary user is going to log on via Facebook Login, while guest users will
+    // specify their name via the login dialog (Fallback Facebook Login.) The decision of when to try
+    // Facebook Login vs. Fallback (force entering of credentials) will be specific to the needs of
+    // an app; this app bases the decision on whether the user logs on the "primary user" or a "guest user"
+    FBSessionLoginBehavior behavior = (slot == 0) ?
+    FBSessionLoginBehaviorWithFallbackToWebView :
+    FBSessionLoginBehaviorForcingWebView;
+    
+    FBSession *session = [userManager switchToUserInSlot:slot];
+    [self updateCellForSlot:slot];
+    
+    // we pass the correct behavior here to indicate the login workflow to use (Facebook Login, fallback, etc.)
+    [session openWithBehavior:behavior
+            completionHandler:^(FBSession *session,
+                                FBSessionState status,
+                                NSError *error) {
+                // this handler is called back whether the login succeeds or fails; in the 
+                // success case it will also be called back upon each state transition between
+                // session-open and session-close
+                if (error) {
+                    [userManager switchToNoActiveUser];
+                }
+                [self updateForSessionChangeForSlot:slot];
+            }];
+}
+
+- (int)userSlotFromIndexPath:(NSIndexPath *)indexPath {
+    // This relies on the fact that there's only one user in the first section.
+    return indexPath.section + indexPath.row;
+}
+
+- (NSIndexPath*)indexPathFromUserSlot:(int)slot {
+    // See comment in userSlotFromIndexPath:
+    return [NSIndexPath indexPathForRow:(slot == 0) ? 0 : (slot - 1)
+                              inSection:(slot == 0) ? 0 : 1];
+}
+
+#pragma mark UITableViewDataSource methods
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    return 2;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    switch (section) {
+        case 0:
+            return 1;
+        default:
+            return [userManager maximumUserSlots] - 1;
+    }
+}
+
+- (UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    static NSString *CellIdentifier = @"Cell";
+    
+    SUProfileTableViewCell *cell = (SUProfileTableViewCell*)[tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (cell == nil) {
+        cell = [[SUProfileTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
+    }
+    
+    SUAppDelegate *appDelegate = (SUAppDelegate*)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    int slot = [self userSlotFromIndexPath:indexPath];
+    if (slot >= 0 && slot < [userManager maximumUserSlots] ) {
+        [self updateCell:cell forSlot:slot];
+    }
+    
+    return cell;
+}
+
+- (NSString*)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
+    switch (section) {
+        case 0:
+            return @"Primary User:";
+        default:
+            return @"Guest Users:";
+    }
+}
+
+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
+    SUAppDelegate *appDelegate = (SUAppDelegate*)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = [appDelegate userManager];
+    return [userManager getUserIDInSlot:[self userSlotFromIndexPath:indexPath]] != nil;
+}
+
+- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
+    SUAppDelegate *appDelegate = (SUAppDelegate*)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = [appDelegate userManager];
+    if (editingStyle == UITableViewCellEditingStyleDelete) {
+        int slot = [self userSlotFromIndexPath:indexPath];
+        [userManager updateUser:nil inSlot:slot];
+        [self updateCellForSlot:slot];
+    }
+}
+
+#pragma mark -
+#pragma mark UITableViewDelegate methods
+
+- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
+    SUProfileTableViewCell *cell = (SUProfileTableViewCell*)[self tableView:tableView
+                                                      cellForRowAtIndexPath:indexPath];
+    return cell.desiredHeight;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    SUAppDelegate *appDelegate = (SUAppDelegate*)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = [appDelegate userManager];
+    
+    int currentUserSlot = userManager.currentUserSlot;
+    int slot = [self userSlotFromIndexPath:indexPath];
+    
+    if (slot == currentUserSlot) {
+        [userManager switchToNoActiveUser];
+        [self updateCellForSlot:slot];
+    } else {
+        [self loginSlot:slot];
+    }
+    
+    [tableView deselectRowAtIndexPath:indexPath animated:YES];    
+    return;
+}
+
+- (NSString*)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath {
+    return @"Forget";
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPad.xib
new file mode 100644
index 0000000..e1a769b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPad.xib
@@ -0,0 +1,198 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1280</int>
+		<string key="IBDocument.SystemVersion">12E55</string>
+		<string key="IBDocument.InterfaceBuilderVersion">4504</string>
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+		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">3734.1</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUITableView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBProxyObject" id="975951072">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
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+						<reference key="NSSuperview" ref="191373211"/>
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+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">3</int>
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+						</object>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<bool key="IBUIAlwaysBounceVertical">YES</bool>
+						<int key="IBUISeparatorStyle">1</int>
+						<int key="IBUISectionIndexMinimumDisplayRowCount">0</int>
+						<bool key="IBUIShowsSelectionImmediatelyOnTouchBegin">YES</bool>
+						<float key="IBUIRowHeight">44</float>
+						<float key="IBUISectionHeaderHeight">22</float>
+						<float key="IBUISectionFooterHeight">22</float>
+					</object>
+				</array>
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+				</object>
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+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
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+			<array class="NSMutableArray" key="connectionRecords">
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+						<string key="label">usersTableView</string>
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+						<reference key="destination" ref="404474561"/>
+					</object>
+					<string key="id">4</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="372490531"/>
+						<reference key="destination" ref="191373211"/>
+					</object>
+					<string key="id">7</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="404474561"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
+					<string key="id">5</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">dataSource</string>
+						<reference key="source" ref="404474561"/>
+						<reference key="destination" ref="372490531"/>
+					</object>
+					<string key="id">6</string>
+				</object>
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+				<array key="orderedObjects">
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+					</object>
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+					</object>
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+						<reference key="object" ref="372490531"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">-2</string>
+						<reference key="object" ref="975951072"/>
+						<reference key="parent" ref="0"/>
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+						<reference key="object" ref="404474561"/>
+						<reference key="parent" ref="191373211"/>
+					</object>
+				</array>
+			</object>
+			<dictionary class="NSMutableDictionary" key="flattenedProperties">
+				<string key="-1.CustomClassName">SUSettingsViewController</string>
+				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<string key="3.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">SUSettingsViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">usersTableView</string>
+						<string key="NS.object.0">UITableView</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">usersTableView</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">usersTableView</string>
+							<string key="candidateClassName">UITableView</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/SUSettingsViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBIPadFramework</string>
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+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
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diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPhone.xib
new file mode 100644
index 0000000..16c1ee6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUSettingsViewController_iPhone.xib
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
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+		<string key="IBDocument.HIToolboxVersion">626.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
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+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUITableView</string>
+			<string>IBUIView</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="451047833">
+			<object class="IBProxyObject" id="708008470">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
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+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+						<bool key="IBUIShowsSelectionImmediatelyOnTouchBegin">YES</bool>
+						<float key="IBUIRowHeight">44</float>
+						<float key="IBUISectionHeaderHeight">22</float>
+						<float key="IBUISectionFooterHeight">22</float>
+					</object>
+				</array>
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+				<string key="NSFrame">{{0, 20}, {320, 460}}</string>
+				<reference key="NSSuperview"/>
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+				<object class="NSColor" key="IBUIBackgroundColor">
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+					<bytes key="NSWhite">MQA</bytes>
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+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
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+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">usersTableView</string>
+						<reference key="source" ref="708008470"/>
+						<reference key="destination" ref="489447082"/>
+					</object>
+					<string key="id">11</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">view</string>
+						<reference key="source" ref="708008470"/>
+						<reference key="destination" ref="533399505"/>
+					</object>
+					<string key="id">3</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">dataSource</string>
+						<reference key="source" ref="489447082"/>
+						<reference key="destination" ref="708008470"/>
+					</object>
+					<string key="id">7</string>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="489447082"/>
+						<reference key="destination" ref="708008470"/>
+					</object>
+					<string key="id">8</string>
+				</object>
+			</array>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<array key="orderedObjects">
+					<object class="IBObjectRecord">
+						<string key="id">0</string>
+						<array key="object" id="0"/>
+						<reference key="children" ref="451047833"/>
+						<nil key="parent"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">-1</string>
+						<reference key="object" ref="708008470"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">-2</string>
+						<reference key="object" ref="545423854"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">1</string>
+						<reference key="object" ref="533399505"/>
+						<array class="NSMutableArray" key="children">
+							<reference ref="489447082"/>
+						</array>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<string key="id">4</string>
+						<reference key="object" ref="489447082"/>
+						<reference key="parent" ref="533399505"/>
+					</object>
+				</array>
+			</object>
+			<dictionary class="NSMutableDictionary" key="flattenedProperties">
+				<string key="-1.CustomClassName">SUSettingsViewController</string>
+				<string key="-1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="-1.showNotes"/>
+				<string key="-2.CustomClassName">UIResponder</string>
+				<string key="-2.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<boolean value="NO" key="-2.showNotes"/>
+				<string key="1.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="1.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="1.showNotes"/>
+				<string key="4.IBPluginDependency">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				<reference key="4.IBUserGuides" ref="0"/>
+				<boolean value="NO" key="4.showNotes"/>
+			</dictionary>
+			<dictionary class="NSMutableDictionary" key="unlocalizedProperties"/>
+			<nil key="activeLocalization"/>
+			<dictionary class="NSMutableDictionary" key="localizations"/>
+			<nil key="sourceID"/>
+		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes">
+			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<object class="IBPartialClassDescription">
+					<string key="className">SUSettingsViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">usersTableView</string>
+						<string key="NS.object.0">UITableView</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">usersTableView</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">usersTableView</string>
+							<string key="candidateClassName">UITableView</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/SUSettingsViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<bool key="IBDocument.previouslyAttemptedUpgradeToXcode5">YES</bool>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1280" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.InterfaceBuilder3</string>
+			<integer value="4600" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<string key="IBCocoaTouchPluginVersion">3734.1</string>
+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.h b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.h
new file mode 100644
index 0000000..fea4ecb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+extern NSString *const SUInvalidSlotNumber;
+
+@protocol FBGraphUser;
+
+@interface SUUserManager : NSObject
+
+@property (readonly) int maximumUserSlots;
+// FBSample logic
+// This is where our active session is maintained
+@property (strong, readonly) FBSession *currentSession;
+@property (readonly) int currentUserSlot;
+
+- (id)init;
+
+- (NSString*)getUserIDInSlot:(int)slot;
+- (NSString*)getUserNameInSlot:(int)slot;
+- (void)updateUser:(NSDictionary<FBGraphUser> *)user inSlot:(int)slot;
+
+- (BOOL)isSlotEmpty:(int)slot;
+- (BOOL)areAllSlotsEmpty;
+
+- (void)switchToNoActiveUser;
+- (FBSession *)switchToUserInSlot:(int)slot;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.m
new file mode 100644
index 0000000..616b575
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUserManager.m
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SUUserManager.h"
+#import <FacebookSDK/FBSessionTokenCachingStrategy.h>
+#import <FacebookSDK/FacebookSDK.h>
+
+NSString *const SUInvalidSlotNumber = @"com.facebook.SwitchUserSample:InvalidSlotNumber";
+
+static NSString *const SUUserIDKeyFormat = @"SUUserID%d";
+static NSString *const SUUserNameKeyFormat = @"SUUserName%d";
+
+@implementation SUUserManager
+
+@synthesize currentSession = _currentSession;
+@synthesize currentUserSlot = _currentUserSlot;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        _currentUserSlot = -1;
+    }
+    return self;
+}
+
+- (void)sendNotification {
+    [[NSNotificationCenter defaultCenter] postNotificationName:@"SUUserManagerUserChanged" 
+                                                        object:nil];
+}
+
+- (void)validateSlotNumber:(int)slot {
+    if (slot < 0 || slot >= [self maximumUserSlots]) {
+        [[NSException exceptionWithName:SUInvalidSlotNumber
+                                 reason:[NSString stringWithFormat:@"Invalid slot number %d specified", slot]
+                               userInfo:nil]
+        raise];
+    }
+}
+
+- (int)maximumUserSlots {
+    return 4;
+}
+
+- (FBSessionTokenCachingStrategy*)createCachingStrategyForSlot:(int)slot {
+    // FBSample logic
+    // Token caching strategies are an advanced feature of the SDK; by creating one and passing it to 
+    // FBSession at instantiation time, the SUUserManager class takes control of the token caching 
+    // behavior of session instances; this is useful to do in this application, because there may be up
+    // to four users whose tokens are remembered by the application at one time; and so the names in 
+    // NSUserDefaults used to store these values need to reflect the user whose data is being cached
+    // Note: an application with more advanced token caching needs (beyond NSUserDefaults) can derive
+    // from FBSessionTokenCachingStrategy, and implement any store for the token cache that it needs, 
+    // including storing and retrieving tokens on an application-specific server, filesystem, etc.
+    FBSessionTokenCachingStrategy *tokenCachingStrategy = [[FBSessionTokenCachingStrategy alloc]
+                                                           initWithUserDefaultTokenInformationKeyName:[NSString stringWithFormat:@"SUUserTokenInfo%d", slot]];
+    return tokenCachingStrategy;
+}
+
+- (BOOL)isSlotEmpty:(int)slot {
+    return [self getUserIDInSlot:slot] == nil;
+}
+
+- (BOOL)areAllSlotsEmpty {
+    int numSlots = [self maximumUserSlots];
+    for (int i = 0; i < numSlots; ++i) {
+        if ([self isSlotEmpty:i] == NO) {
+            return NO;
+        }
+    }
+    return YES;
+}
+
+- (FBSession*)createSessionForSlot:(int)slot {
+    // FBSample logic
+    // Getting the right strategy instance for the right slot matters for this application
+    FBSessionTokenCachingStrategy *tokenCachingStrategy = [self createCachingStrategyForSlot:slot];
+  
+    // create a session object, with defaults accross the board, except that we provide a custom
+    // instance of FBSessionTokenCachingStrategy
+    FBSession *session = [[FBSession alloc] initWithAppID:nil
+                                              permissions:@[@"basic_info",@"user_birthday"]
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:tokenCachingStrategy];
+    return session;
+}
+
+- (NSString*)getUserNameInSlot:(int)slot {
+    [self validateSlotNumber:slot];
+
+    NSString *key = [NSString stringWithFormat:SUUserNameKeyFormat, slot];
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    
+    // Don't assume we have a full FBGraphObject -- builds compiled with earlier versions of SDK
+    // may have saved only a plain NSDictionary.
+    return [defaults objectForKey:key];
+}
+
+- (NSString*)getUserIDInSlot:(int)slot {
+    [self validateSlotNumber:slot];
+    
+    NSString *key = [NSString stringWithFormat:SUUserIDKeyFormat, slot];
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    
+    // Don't assume we have a full FBGraphObject -- builds compiled with earlier versions of SDK
+    // may have saved only a plain NSDictionary.
+    return [defaults objectForKey:key];
+}
+
+- (void)updateUser:(NSDictionary<FBGraphUser> *)user inSlot:(int)slot {
+    [self validateSlotNumber:slot];
+
+    NSString *idKey = [NSString stringWithFormat:SUUserIDKeyFormat, slot];
+    NSString *nameKey = [NSString stringWithFormat:SUUserNameKeyFormat, slot];
+
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    if (user != nil ) {
+        NSLog(@"SUUserManager updating slot %d: fbid = %@, name = %@", slot, user.id, user.name);
+        [defaults setObject:user.id forKey:idKey];
+        [defaults setObject:user.name forKey:nameKey];
+    } else {
+        NSLog(@"SUUserManager clearing slot %d", slot);
+
+        // Can't be current user anymore
+        if (slot == _currentUserSlot) {
+            [self switchToNoActiveUser];
+        }
+
+        // FBSample logic
+        // Also need to tell the token cache to forget the tokens for this user
+        FBSessionTokenCachingStrategy *tokenCachingStrategy = [self createCachingStrategyForSlot:slot];
+        [tokenCachingStrategy clearToken];
+        
+        [defaults removeObjectForKey:idKey];
+        [defaults removeObjectForKey:nameKey];
+    }
+    
+    [defaults synchronize];
+
+    [self sendNotification];
+}
+
+- (void)switchToNoActiveUser {
+    NSLog(@"SUUserManager switching to no active user");
+    _currentSession = nil;
+    _currentUserSlot = -1;
+    [self sendNotification];
+}
+
+- (FBSession *)switchToUserInSlot:(int)slot {
+    [self validateSlotNumber:slot];
+    NSLog(@"SUUserManager switching to slot %d", slot);
+    
+    FBSession *session = [self createSessionForSlot:slot];
+    
+    _currentSession = session;
+    _currentUserSlot = slot;
+
+    [self sendNotification];
+    
+    return session;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.h b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.h
new file mode 100644
index 0000000..cb9ee0a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface SUUsingViewController : UIViewController
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.m
new file mode 100644
index 0000000..5c734ab
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController.m
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "SUUsingViewController.h"
+#import "SUAppDelegate.h"
+#import <FacebookSDK/FacebookSDK.h>
+
+@interface SUUsingViewController ()
+
+@property (strong, nonatomic) IBOutlet UILabel *nameLabel;
+@property (strong, nonatomic) IBOutlet UILabel *birthdayLabel;
+// FBSample logic
+// The requestConnection property in this class is used to maintain the current active
+// connection with Facebook, used to fetch profile information; and picView displays the 
+// profile for the current active user
+@property (strong, nonatomic) FBRequest *pendingRequest;
+@property (strong, nonatomic) IBOutlet FBProfilePictureView *picView;
+
+@end
+
+@implementation SUUsingViewController
+
+@synthesize nameLabel;
+@synthesize birthdayLabel;
+@synthesize picView;
+@synthesize pendingRequest = _pendingRequest;
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.title = NSLocalizedString(@"Using", @"Using");
+        self.tabBarItem.image = [UIImage imageNamed:@"first"];
+    }
+    return self;
+}
+
+- (void)updateControls {
+    SUAppDelegate *appDelegate = (SUAppDelegate *)[[UIApplication sharedApplication]delegate];
+    SUUserManager *userManager = appDelegate.userManager;
+    
+    if (userManager.currentUserSlot != -1 &&
+        userManager.currentSession.isOpen) {
+        // There could be a delay while we retrieve user profile. Hide controls until data is there.
+        self.nameLabel.hidden = YES;
+        self.picView.hidden = YES;
+        self.birthdayLabel.hidden = YES;
+        
+        // FBSample logic
+        // If the session is open, then we attemt to fetch /me, in order to get the user's
+        // name and birthday
+        FBRequest *me = [[FBRequest alloc] initWithSession:userManager.currentSession
+                                                 graphPath:@"me"];
+        [me startWithCompletionHandler:^(FBRequestConnection *connection, 
+                                         // we expect a user as a result, and so are using FBGraphUser protocol
+                                         // as our result type; in order to allow us to access first_name and
+                                         // birthday with property syntax
+                                         NSDictionary<FBGraphUser> *user,
+                                         NSError *error) {
+            if (me != self.pendingRequest) {
+                return;
+            }
+            self.pendingRequest = nil;
+            
+            if (error) {
+                NSLog(@"Couldn't get info : %@", error.localizedDescription);
+                return;
+            }
+            
+            self.nameLabel.text = [NSString stringWithFormat:@"Hello, %@!", user.first_name];
+            self.picView.profileID = user.id;
+            if (user.birthday.length > 0) {
+                self.birthdayLabel.text = [NSString stringWithFormat:@"Your birthday is: %@", user.birthday];        
+            } else {
+                self.birthdayLabel.text = @"Your birthday isn't set.";
+            }
+            
+            self.nameLabel.hidden = NO;
+            self.picView.hidden = NO;
+            self.birthdayLabel.hidden = NO;
+        }];
+        
+        self.pendingRequest = me;
+        
+    } else {
+        self.nameLabel.text = @"No active user. Go to Settings tab to log in!";
+        self.nameLabel.hidden = NO;
+        self.picView.hidden = YES;
+        self.birthdayLabel.hidden = YES;
+    }
+}
+
+- (void)userDidChange:(NSNotification *)notification {
+    [self updateControls];
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    [self updateControls];
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(userDidChange:)
+                                                 name:@"SUUserManagerUserChanged" object:nil];
+
+    [self updateControls];
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+    self.nameLabel = nil;
+    self.birthdayLabel = nil;
+    self.picView = nil;
+
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:@"SUUserManagerUserChanged" object:nil];
+
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPad.xib b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPad.xib
new file mode 100644
index 0000000..9533f9f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPad.xib
@@ -0,0 +1,270 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.iPad.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1296</int>
+		<string key="IBDocument.SystemVersion">11D50d</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2182</string>
+		<string key="IBDocument.AppKitVersion">1138.32</string>
+		<string key="IBDocument.HIToolboxVersion">568.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">1179</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUIView</string>
+			<string>IBUILabel</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBProxyObject" id="975951072">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+			</object>
+			<object class="IBUIView" id="191373211">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">274</int>
+				<array class="NSMutableArray" key="NSSubviews">
+					<object class="IBUILabel" id="358917850">
+						<reference key="NSNextResponder" ref="191373211"/>
+						<int key="NSvFlags">292</int>
+						<string key="NSFrame">{{20, 12}, {280, 31}}</string>
+						<reference key="NSSuperview" ref="191373211"/>
+						<reference key="NSWindow"/>
+						<reference key="NSNextKeyView" ref="160753864"/>
+						<string key="NSReuseIdentifierKey">_NS:9</string>
+						<bool key="IBUIOpaque">NO</bool>
+						<bool key="IBUIClipsSubviews">YES</bool>
+						<int key="IBUIContentMode">7</int>
+						<bool key="IBUIUserInteractionEnabled">NO</bool>
+						<string key="targetRuntimeIdentifier">IBIPadFramework</string>
+						<string key="IBUIText">Label</string>
+						<object class="NSColor" key="IBUITextColor" id="799517355">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MCAwIDAAA</bytes>
+						</object>
+						<nil key="IBUIHighlightedColor"/>
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+						<float key="IBUIMinimumFontSize">10</float>
+						<object class="IBUIFontDescription" key="IBUIFontDescription" id="1067190739">
+							<int key="type">1</int>
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diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPhone.xib b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPhone.xib
new file mode 100644
index 0000000..0676d98
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SUUsingViewController_iPhone.xib
@@ -0,0 +1,268 @@
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diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Info.plist b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Info.plist
new file mode 100644
index 0000000..46ed854
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Info.plist
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+		<string>Icon-72.png</string>
+		<string>Icon-72@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+				<string>Icon-72.png</string>
+				<string>Icon-72@2x.png</string>
+			</array>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.sdk.samples.switchuser</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb327842977278179</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>FacebookAppID</key>
+	<string>327842977278179</string>
+	<key>FacebookDisplayName</key>
+	<string>SwitchUserSample</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Prefix.pch b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Prefix.pch
new file mode 100644
index 0000000..89a5650
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/SwitchUserSample-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'SwitchUserSample' target in the 'SwitchUserSample' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_4_0
+#warning "This project uses features only available in iOS SDK 4.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first.png b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first.png
new file mode 100644
index 0000000..9300ee2
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first@2x.png b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first@2x.png
new file mode 100644
index 0000000..374d78e
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/first@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/main.m b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/main.m
new file mode 100644
index 0000000..bb3f7ba
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/main.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "SUAppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([SUAppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second.png b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second.png
new file mode 100644
index 0000000..1100b48
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second.png differ
diff --git a/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second@2x.png b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second@2x.png
new file mode 100644
index 0000000..368d38f
Binary files /dev/null and b/Vendor/facebook-ios-sdk/samples/SwitchUserSample/SwitchUserSample/second@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/scripts/build_all.sh b/Vendor/facebook-ios-sdk/scripts/build_all.sh
new file mode 100755
index 0000000..3b13d61
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/build_all.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script builds the FacebookSDK.framework, all samples, and the distribution package.
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+# -----------------------------------------------------------------------------
+# Call out to build .framework
+#
+. $FB_SDK_SCRIPT/build_framework.sh
+
+# -----------------------------------------------------------------------------
+# Build docs
+#
+. $FB_SDK_SCRIPT/build_documentation.sh
+
+# -----------------------------------------------------------------------------
+# Call out to build samples (suppress building framework)
+#
+. $FB_SDK_SCRIPT/build_samples.sh Release
+. $FB_SDK_SCRIPT/build_samples.sh Debug
+
+# -----------------------------------------------------------------------------
+# Call out to build distribution (suppress building framework)
+#
+. $FB_SDK_SCRIPT/build_distribution.sh
+
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/build_distribution.sh b/Vendor/facebook-ios-sdk/scripts/build_distribution.sh
new file mode 100755
index 0000000..34ac7e8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/build_distribution.sh
@@ -0,0 +1,110 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script builds the FacebookSDK.framework that is distributed at
+# https://github.com/facebook/facebook-ios-sdk/downloads/FacebookSDK.framework.zip
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+test -x "$PACKAGEMAKER" || die 'Could not find PackageMaker in $PATH - install to Applications from https://developer.apple.com/downloads/index.action (Auxiliary Tools for XCode)'
+test -x "$PRODUCTSIGN" || die 'Could not find productsign utility! Reinstall XCode?'
+
+FB_SDK_PGK_VERSION=$(sed -n 's/.*FB_IOS_SDK_VERSION_STRING @\"\(.*\)\"/\1/p' ${FB_SDK_SRC}/FacebookSDK.h)
+# In case the hotfix value is zero, we drop the .0
+FB_SDK_NORMALIZED_PGK_VERSION=$(echo ${FB_SDK_PGK_VERSION} | sed  's/^\([0-9]*\.[0-9]*\)\.0/\1/')
+
+FB_SDK_UNSIGNED_PKG=$FB_SDK_BUILD/FacebookSDK-${FB_SDK_NORMALIZED_PGK_VERSION}-unsigned.pkg
+FB_SDK_PKG=$FB_SDK_BUILD/FacebookSDK-${FB_SDK_NORMALIZED_PGK_VERSION}.pkg
+
+FB_SDK_BUILD_PACKAGE=$FB_SDK_BUILD/package
+FB_SDK_BUILD_PACKAGE_FRAMEWORK_SUBDIR=Documents/FacebookSDK
+FB_SDK_BUILD_PACKAGE_FRAMEWORK=$FB_SDK_BUILD_PACKAGE/$FB_SDK_BUILD_PACKAGE_FRAMEWORK_SUBDIR
+FB_SDK_BUILD_PACKAGE_SAMPLES=$FB_SDK_BUILD_PACKAGE/Documents/FacebookSDK/Samples
+FB_SDK_BUILD_PACKAGE_DOCS=$FB_SDK_BUILD_PACKAGE/Library/Developer/Shared/Documentation/DocSets/$FB_SDK_DOCSET_NAME
+
+CODE_SIGN_IDENTITY='Developer ID Installer: Facebook, Inc. (V9WTTPBFK9)'
+
+# -----------------------------------------------------------------------------
+# Call out to build prerequisites.
+#
+if is_outermost_build; then
+    . $FB_SDK_SCRIPT/build_framework.sh -t -c Release
+    . $FB_SDK_SCRIPT/build_documentation.sh
+fi
+echo Building Distribution.
+
+# -----------------------------------------------------------------------------
+# Build package directory structure
+#
+progress_message "Building package directory structure."
+\rm -rf $FB_SDK_BUILD_PACKAGE
+mkdir $FB_SDK_BUILD_PACKAGE \
+  || die "Could not create directory $FB_SDK_BUILD_PACKAGE"
+mkdir -p $FB_SDK_BUILD_PACKAGE_FRAMEWORK
+mkdir -p $FB_SDK_BUILD_PACKAGE_SAMPLES
+mkdir -p $FB_SDK_BUILD_PACKAGE_DOCS
+
+\cp -R $FB_SDK_FRAMEWORK $FB_SDK_BUILD_PACKAGE_FRAMEWORK \
+  || die "Could not copy $FB_SDK_FRAMEWORK"
+\cp -R $FB_SDK_SAMPLES/ $FB_SDK_BUILD_PACKAGE_SAMPLES \
+  || die "Could not copy $FB_SDK_BUILD_PACKAGE_SAMPLES"
+\cp -R $FB_SDK_FRAMEWORK_DOCS/docset/Contents $FB_SDK_BUILD_PACKAGE_DOCS \
+  || die "Could not copy $$FB_SDK_FRAMEWORK_DOCS/docset/Contents"
+\cp $FB_SDK_ROOT/README $FB_SDK_BUILD_PACKAGE/Documents/FacebookSDK \
+  || die "Could not copy README"
+\cp $FB_SDK_ROOT/LICENSE $FB_SDK_BUILD_PACKAGE/Documents/FacebookSDK \
+  || die "Could not copy LICENSE"
+
+# -----------------------------------------------------------------------------
+# Fixup projects to point to the SDK framework
+#
+for fname in $(find $FB_SDK_BUILD_PACKAGE_SAMPLES -name "project.pbxproj" -print); do \
+  sed "s|../../build|../../../../${FB_SDK_BUILD_PACKAGE_FRAMEWORK_SUBDIR}|g" \
+    ${fname} > ${fname}.tmpfile  && mv ${fname}.tmpfile ${fname}; \
+done
+
+# -----------------------------------------------------------------------------
+# Build .pkg from package directory
+#
+progress_message "Building .pkg from package directory."
+\rm -rf $FB_SDK_UNSIGNED_PKG
+$PACKAGEMAKER \
+  --doc $FB_SDK_SRC/Package/FacebookSDK.pmdoc \
+  --domain user \
+  --target 10.5 \
+  --version $FB_SDK_VERSION \
+  --out $FB_SDK_UNSIGNED_PKG \
+  --title 'Facebook SDK 3.8 for iOS' \
+  || die "PackageMaker reported error"
+
+progress_message "Signing package."
+\rm -rf $FB_SDK_PKG
+$PRODUCTSIGN -s "$CODE_SIGN_IDENTITY" $FB_SDK_UNSIGNED_PKG $FB_SDK_PKG \
+ || FAILED_TO_SIGN=1
+
+if [ "$FAILED_TO_SIGN" == "1" ] ; then
+  progress_message "Failed to sign the package. See https://our.intern.facebook.com/intern/wiki/index.php/Platform/Mobile/ContributingToMobileSDKs#Building_the_iOS_Distribution_with_PackageMaker"
+fi
+
+# -----------------------------------------------------------------------------
+# Done
+#
+progress_message "Successfully built SDK distribution:"
+if [ "$FAILED_TO_SIGN" != "1" ] ; then
+  progress_message "  Signed : $FB_SDK_PKG"
+fi
+progress_message "  Unsigned : $FB_SDK_UNSIGNED_PKG"
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/build_documentation.sh b/Vendor/facebook-ios-sdk/scripts/build_documentation.sh
new file mode 100755
index 0000000..e8b08a3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/build_documentation.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script builds the API documentation from source-level comments.
+# This script requires appledoc be installed: https://github.com/tomaz/appledoc
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+test -x "$APPLEDOC" || die 'Could not find appledoc in $PATH - run git clone git://github.com/tomaz/appledoc.git && appledoc/install-appledoc.sh'
+
+# -----------------------------------------------------------------------------
+# Build pre-requisites
+#
+if is_outermost_build; then
+    . $FB_SDK_SCRIPT/build_framework.sh -n
+fi
+progress_message Building Documentation.
+
+# -----------------------------------------------------------------------------
+# Build docs
+#
+test -d $FB_SDK_BUILD \
+  || mkdir -p $FB_SDK_BUILD \
+  || die "Could not create directory $FB_SDK_BUILD"
+
+cd $FB_SDK_SRC
+
+DOCSET="$FB_SDK_BUILD"/"$FB_SDK_DOCSET_NAME"
+
+rm -rf $DOCSET
+
+hash $APPLEDOC &>/dev/null
+if [ "$?" -eq "0" ]; then
+    APPLEDOC_DOCSET_NAME="Facebook SDK 3.8 for iOS"
+    $APPLEDOC --project-name "$APPLEDOC_DOCSET_NAME" \
+	--project-company "Facebook" \
+	--company-id "com.facebook" \
+	--output "$DOCSET" \
+	--preprocess-headerdoc \
+	--docset-bundle-name "$APPLEDOC_DOCSET_NAME" \
+	--docset-feed-name "$APPLEDOC_DOCSET_NAME" \
+	--exit-threshold 2 \
+	--no-install-docset \
+	--search-undocumented-doc \
+	--keep-undocumented-members \
+	--keep-undocumented-objects \
+	--explicit-crossref \
+	$FB_SDK_FRAMEWORK/Headers \
+    || die 'appledoc execution failed'
+else
+    die "appledoc not installed, unable to build documentation"
+fi
+
+# Temporary workaround to an appledoc bug that drops protocol names.
+function replace_string() {
+    perl -pi -e "s/$1/$2/" $3
+}
+
+DOCSDIR="$DOCSET"/docset/Contents/Resources/Documents
+replace_string 'id&lt;&gt; delegate' 'id&lt;FBFriendPickerDelegate&gt; delegate' "$DOCSDIR"/Classes/FBFriendPickerViewController.html
+replace_string 'id&lt;&gt; delegate' 'id&lt;FBPlacePickerDelegate&gt; delegate' "$DOCSDIR"/Classes/FBPlacePickerViewController.html
+replace_string 'id&lt;&gt; selection' 'id&lt;FBGraphPlace&gt; selection' "$DOCSDIR"/Classes/FBPlacePickerViewController.html
+replace_string 'id&lt;&gt; graphObject' 'id&lt;FBGraphObject&gt; graphObject' "$DOCSDIR"/Classes/FBRequest.html
+replace_string 'id&lt;&gt; application' 'id&lt;FBGraphObject&gt; application' "$DOCSDIR"/Protocols/FBOpenGraphAction.html
+replace_string 'id&lt;&gt; from' 'id&lt;FBGraphUser&gt; from' "$DOCSDIR"/Protocols/FBOpenGraphAction.html
+replace_string 'id&lt;&gt; place' 'id&lt;FBGraphPlace&gt; place' "$DOCSDIR"/Protocols/FBOpenGraphAction.html
+replace_string 'id&lt;&gt; location' 'id&lt;FBGraphLocation&gt; location' "$DOCSDIR"/Protocols/FBGraphUser.html
+replace_string 'id&lt;&gt; location' 'id&lt;FBGraphLocation&gt; location' "$DOCSDIR"/Protocols/FBGraphPlace.html
+
+# -----------------------------------------------------------------------------
+# Done
+#
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/build_framework.sh b/Vendor/facebook-ios-sdk/scripts/build_framework.sh
new file mode 100755
index 0000000..9d4bbc4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/build_framework.sh
@@ -0,0 +1,185 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script builds the FacebookSDK.framework that is distributed at
+# https://github.com/facebook/facebook-ios-sdk/downloads/FacebookSDK.framework.tgz
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+# process options, valid arguments -c [Debug|Release] -n 
+BUILDCONFIGURATION=Debug
+NOEXTRAS=1
+while getopts ":ntc:" OPTNAME
+do
+  case "$OPTNAME" in
+    "c")
+      BUILDCONFIGURATION=$OPTARG
+      ;;
+    "n")
+      NOEXTRAS=1
+      ;;
+    "t")
+      NOEXTRAS=0
+      ;;
+    "?")
+      echo "$0 -c [Debug|Release] -n"
+      echo "       -c sets configuration (default=Debug)"
+      echo "       -n no test run (default)"
+      echo "       -t test run"
+      die
+      ;;
+    ":")
+      echo "Missing argument value for option $OPTARG"
+      die
+      ;;
+    *)
+    # Should not occur
+      echo "Unknown error while processing options"
+      die
+      ;;
+  esac
+done
+
+test -x "$XCODEBUILD" || die 'Could not find xcodebuild in $PATH'
+test -x "$LIPO" || die 'Could not find lipo in $PATH'
+
+FB_SDK_UNIVERSAL_BINARY=$FB_SDK_BUILD/${BUILDCONFIGURATION}-universal/$FB_SDK_BINARY_NAME
+
+# -----------------------------------------------------------------------------
+
+progress_message Building Framework.
+
+# -----------------------------------------------------------------------------
+# Compile binaries 
+#
+test -d $FB_SDK_BUILD \
+  || mkdir -p $FB_SDK_BUILD \
+  || die "Could not create directory $FB_SDK_BUILD"
+
+cd $FB_SDK_SRC
+function xcode_build_target() {
+  echo "Compiling for platform: ${1}."
+  $XCODEBUILD \
+    RUN_CLANG_STATIC_ANALYZER=NO \
+    -target "facebook-ios-sdk" \
+    -sdk $1 \
+    -configuration "${2}" \
+    SYMROOT=$FB_SDK_BUILD \
+    CURRENT_PROJECT_VERSION=$FB_SDK_VERSION_FULL \
+    clean build \
+    || die "XCode build failed for platform: ${1}."
+}
+
+xcode_build_target "iphonesimulator" "${BUILDCONFIGURATION}"
+xcode_build_target "iphoneos" "${BUILDCONFIGURATION}"
+xcode_build_target "iphonesimulator" "${BUILDCONFIGURATION}64"
+xcode_build_target "iphoneos" "${BUILDCONFIGURATION}64"
+
+# -----------------------------------------------------------------------------
+# Merge lib files for different platforms into universal binary
+#
+progress_message "Building $FB_SDK_BINARY_NAME library using lipo."
+
+mkdir -p $(dirname $FB_SDK_UNIVERSAL_BINARY)
+
+$LIPO \
+  -create \
+    $FB_SDK_BUILD/${BUILDCONFIGURATION}-iphonesimulator/libfacebook_ios_sdk.a \
+    $FB_SDK_BUILD/${BUILDCONFIGURATION}-iphoneos/libfacebook_ios_sdk.a \
+    $FB_SDK_BUILD/${BUILDCONFIGURATION}64-iphonesimulator/libfacebook_ios_sdk.a \
+    $FB_SDK_BUILD/${BUILDCONFIGURATION}64-iphoneos/libfacebook_ios_sdk.a \
+  -output $FB_SDK_UNIVERSAL_BINARY \
+  || die "lipo failed - could not create universal static library"
+
+# -----------------------------------------------------------------------------
+# Build .framework out of binaries
+#
+progress_message "Building $FB_SDK_FRAMEWORK_NAME."
+
+\rm -rf $FB_SDK_FRAMEWORK
+mkdir $FB_SDK_FRAMEWORK \
+  || die "Could not create directory $FB_SDK_FRAMEWORK"
+mkdir $FB_SDK_FRAMEWORK/Versions
+mkdir $FB_SDK_FRAMEWORK/Versions/A
+mkdir $FB_SDK_FRAMEWORK/Versions/A/Headers
+mkdir $FB_SDK_FRAMEWORK/Versions/A/DeprecatedHeaders
+mkdir $FB_SDK_FRAMEWORK/Versions/A/Resources
+
+\cp \
+  $FB_SDK_BUILD/${BUILDCONFIGURATION}-iphoneos/facebook-ios-sdk/*.h \
+  $FB_SDK_FRAMEWORK/Versions/A/Headers \
+  || die "Error building framework while copying SDK headers"
+\cp \
+  $FB_SDK_BUILD/${BUILDCONFIGURATION}-iphoneos/facebook-ios-sdk/*.h \
+  $FB_SDK_FRAMEWORK/Versions/A/DeprecatedHeaders \
+  || die "Error building framework while copying SDK headers to deprecated folder"
+for HEADER in FBConnect.h \
+              FBDialog.h \
+              FBFrictionlessRequestSettings.h \
+              FBLoginDialog.h \
+              Facebook.h \
+              FBRequest.h \
+              FBSessionManualTokenCachingStrategy.h
+do 
+  \cp \
+    $FB_SDK_SRC/$HEADER \
+    $FB_SDK_FRAMEWORK/Versions/A/DeprecatedHeaders \
+    || die "Error building framework while copying deprecated SDK headers"
+done
+\cp \
+  $FB_SDK_SRC/Framework/Resources/* \
+  $FB_SDK_FRAMEWORK/Versions/A/Resources \
+  || die "Error building framework while copying Resources"
+\cp -r \
+  $FB_SDK_SRC/*.bundle \
+  $FB_SDK_FRAMEWORK/Versions/A/Resources \
+  || die "Error building framework while copying bundle to Resources"
+\cp -r \
+  $FB_SDK_SRC/*.bundle.README \
+  $FB_SDK_FRAMEWORK/Versions/A/Resources \
+  || die "Error building framework while copying README to Resources"
+\cp \
+  $FB_SDK_UNIVERSAL_BINARY \
+  $FB_SDK_FRAMEWORK/Versions/A/FacebookSDK \
+  || die "Error building framework while copying FacebookSDK"
+
+# Current directory matters to ln.
+cd $FB_SDK_FRAMEWORK
+ln -s ./Versions/A/Headers ./Headers
+ln -s ./Versions/A/Resources ./Resources
+ln -s ./Versions/A/FacebookSDK ./FacebookSDK
+cd $FB_SDK_FRAMEWORK/Versions
+ln -s ./A ./Current
+
+# -----------------------------------------------------------------------------
+# Run unit tests 
+#
+
+if [ ${NOEXTRAS:-0} -eq  1 ];then
+  progress_message "Skipping unit tests."
+else
+  progress_message "Running unit tests."
+  cd $FB_SDK_SRC
+  $FB_SDK_SCRIPT/run_tests.sh -c $BUILDCONFIGURATION facebook-ios-sdk-tests
+fi
+
+# -----------------------------------------------------------------------------
+# Done
+#
+
+progress_message "Framework version info:" `perl -ne 'print "$1 " if (m/FB_IOS_SDK_MIGRATION_BUNDLE @(.+)$/ || m/FB_IOS_SDK_VERSION_STRING @(.+)$/);' $FB_SDK_SRC/FBSDKVersion.h $FB_SDK_SRC/FacebookSDK.h` 
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/build_samples.sh b/Vendor/facebook-ios-sdk/scripts/build_samples.sh
new file mode 100755
index 0000000..eb08fb2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/build_samples.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script builds all of the samples in the samples subdirectory.
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+# valid arguments are: no-value, "Debug" and "Release" (default)
+BUILDCONFIGURATION=${1:-Release}
+
+test -x "$XCODEBUILD" || die 'Could not find xcodebuild in $PATH'
+
+# -----------------------------------------------------------------------------
+progress_message Building samples.
+
+# -----------------------------------------------------------------------------
+# Call out to build .framework
+#
+if is_outermost_build; then
+  . $FB_SDK_SCRIPT/build_framework.sh -n -c Release
+fi
+
+# -----------------------------------------------------------------------------
+# Determine which samples to build.
+#
+
+# Certain subdirs of samples are not samples to be built, exclude them from the find query
+FB_SAMPLES_EXCLUDED=(FBConnect.bundle)
+for excluded in "${FB_SAMPLES_EXCLUDED[@]}"; do
+  if [ -n "$FB_FIND_ARGS" ]; then
+    FB_FIND_ARGS="$FB_FIND_ARGS -o"
+  fi
+  FB_FIND_ARGS="$FB_FIND_ARGS -name $excluded"
+done
+
+FB_FIND_SAMPLES_CMD="find $FB_SDK_SAMPLES -type d -depth 1 ! ( $FB_FIND_ARGS )"
+
+# -----------------------------------------------------------------------------
+# Build each sample
+#
+function xcode_build_sample() {
+  cd $FB_SDK_SAMPLES/$1
+  progress_message "Compiling '${1}' for platform '${2}' using configuration '${3}'."
+  $XCODEBUILD \
+    -alltargets \
+    -sdk $2 \
+    -configuration "${3}" \
+    SYMROOT=$FB_SDK_BUILD \
+    CURRENT_PROJECT_VERSION=$FB_SDK_VERSION_FULL \
+    clean build \
+    || die "XCode build failed for sample '${1}' on platform: ${2}."
+}
+
+for sampledir in `$FB_FIND_SAMPLES_CMD`; do
+  xcode_build_sample `basename $sampledir` "iphonesimulator" "$BUILDCONFIGURATION"
+done
+
+# -----------------------------------------------------------------------------
+# Done
+#
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/common.sh b/Vendor/facebook-ios-sdk/scripts/common.sh
new file mode 100755
index 0000000..deeb0a5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/common.sh
@@ -0,0 +1,144 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# This script sets up a consistent environment for the other scripts in this directory.
+
+# Set up paths for a specific clone of the SDK source
+if [ -z "$FB_SDK_SCRIPT" ]; then
+  # ---------------------------------------------------------------------------
+  # Versioning for the SDK
+  #
+  FB_SDK_VERSION_MAJOR=0
+  FB_SDK_VERSION_MINOR=1
+  test -n "$FB_SDK_VERSION_BUILD" || FB_SDK_VERSION_BUILD=$(date '+%Y%m%d')
+  FB_SDK_VERSION=${FB_SDK_VERSION_MAJOR}.${FB_SDK_VERSION_MINOR}
+  FB_SDK_VERSION_FULL=${FB_SDK_VERSION}.${FB_SDK_VERSION_BUILD}
+
+  # ---------------------------------------------------------------------------
+  # Set up paths
+  #
+
+  # The directory containing this script
+  # We need to go there and use pwd so these are all absolute paths
+  pushd $(dirname $BASH_SOURCE[0]) >/dev/null
+  FB_SDK_SCRIPT=$(pwd)
+  popd >/dev/null
+
+  # The root directory where the Facebook SDK for iOS is cloned
+  FB_SDK_ROOT=$(dirname $FB_SDK_SCRIPT)
+
+  # Path to source files for Facebook SDK
+  FB_SDK_SRC=$FB_SDK_ROOT/src
+
+  # Path to sample files for Facebook SDK
+  FB_SDK_SAMPLES=$FB_SDK_ROOT/samples
+
+  # The directory where the target is built
+  FB_SDK_BUILD=$FB_SDK_ROOT/build
+  FB_SDK_BUILD_LOG=$FB_SDK_BUILD/build.log
+
+  # The name of the Facebook SDK for iOS
+  FB_SDK_BINARY_NAME=FacebookSDK
+
+  # The name of the Facebook SDK for iOS framework
+  FB_SDK_FRAMEWORK_NAME=${FB_SDK_BINARY_NAME}.framework
+
+  # The path to the built Facebook SDK for iOS .framework
+  FB_SDK_FRAMEWORK=$FB_SDK_BUILD/$FB_SDK_FRAMEWORK_NAME
+
+  # The name of the docset
+  FB_SDK_DOCSET_NAME=com.facebook.Facebook-SDK-3_0-for-iOS.docset
+
+  # The path to the framework docs
+  FB_SDK_FRAMEWORK_DOCS=$FB_SDK_BUILD/$FB_SDK_DOCSET_NAME
+
+fi
+
+# Set up one-time variables
+if [ -z $FB_SDK_ENV ]; then
+  FB_SDK_ENV=env1
+  FB_SDK_BUILD_DEPTH=0
+
+  # Explains where the log is if this is the outermost build or if
+  # we hit a fatal error.
+  function show_summary() {
+    test -r $FB_SDK_BUILD_LOG && echo "Build log is at $FB_SDK_BUILD_LOG"
+  }
+
+  # Determines whether this is out the outermost build.
+  function is_outermost_build() {
+      test 1 -eq $FB_SDK_BUILD_DEPTH
+  }
+
+  # Calls show_summary if this is the outermost build.
+  # Do not call outside common.sh.
+  function pop_common() {
+    FB_SDK_BUILD_DEPTH=$(($FB_SDK_BUILD_DEPTH - 1))
+    test 0 -eq $FB_SDK_BUILD_DEPTH && show_summary
+  }
+
+  # Deletes any previous build log if this is the outermost build.
+  # Do not call outside common.sh.
+  function push_common() {
+    test 0 -eq $FB_SDK_BUILD_DEPTH && \rm -f $FB_SDK_BUILD_LOG
+    FB_SDK_BUILD_DEPTH=$(($FB_SDK_BUILD_DEPTH + 1))
+  }
+
+  # Echoes a progress message to stderr
+  function progress_message() {
+      echo "$@" >&2
+  }
+
+  # Any script that includes common.sh must call this once if it finishes
+  # successfully.
+  function common_success() { 
+      pop_common
+      return 0
+  }
+
+  # Call this when there is an error.  This does not return.
+  function die() {
+    echo ""
+    echo "FATAL: $*" >&2
+    show_summary
+    exit 1
+  }
+
+  test -n "$XCODEBUILD"   || XCODEBUILD=$(which xcodebuild)
+  test -n "$LIPO"         || LIPO=$(which lipo)
+  test -n "$PACKAGEMAKER" || PACKAGEMAKER=$(which PackageMaker)
+  test -n "$PRODUCTSIGN"  || PRODUCTSIGN=$(which productsign)
+  test -n "$APPLEDOC"     || APPLEDOC=$(which appledoc)
+
+  # < XCode 4.3.1
+  if [ ! -x "$XCODEBUILD" ]; then
+    # XCode from app store
+    XCODEBUILD=/Applications/XCode.app/Contents/Developer/usr/bin/xcodebuild
+  fi
+
+  if [ ! -x "$PACKAGEMAKER" ]; then
+    PACKAGEMAKER=/Developer/Applications/Utilities/PackageMaker.app/Contents/MacOS/PackageMaker
+  fi
+
+  if [ ! -x "$PACKAGEMAKER" ]; then
+    PACKAGEMAKER=/Applications/PackageMaker.app/Contents/MacOS/PackageMaker
+  fi
+fi
+
+# Increment depth every time we . this file.  At the end of any script
+# that .'s this file, there should be a call to common_finish to decrement.
+push_common
diff --git a/Vendor/facebook-ios-sdk/scripts/configure_simulator_for_unit_tests.sh b/Vendor/facebook-ios-sdk/scripts/configure_simulator_for_unit_tests.sh
new file mode 100755
index 0000000..eef5c90
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/configure_simulator_for_unit_tests.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# this script configures your iOS simulator for unit tests
+# Note: On Mac OS X, an easy way to generate a MACHINE_UNIQUE_USER_TAG is with the following:
+#   system_profiler SPHardwareDataType | grep -i "Serial Number (system):" | awk '{print $4}'
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+if [ "$#" -lt 2 ]; then
+      echo "Usage: $0 APP_ID APP_SECRET [MACHINE_UNIQUE_USER_KEY]"
+      echo "  APP_ID                   your unit-testing Facebook application's App ID"
+      echo "  APP_SECRET               your unit-testing Facebook application's App Secret"
+      echo "  MACHINE_UNIQUE_USER_TAG  optional text used to ensure this machine will use its own set of test users rather than sharing"
+      die 'Arguments do not conform to usage'
+fi
+
+function write_xcconfig {
+    echo "IOS_SDK_TEST_APP_ID = $2" > $1
+    echo "IOS_SDK_TEST_APP_SECRET = $3" >> $1
+    echo "IOS_SDK_MACHINE_UNIQUE_USER_KEY = $4" >> $1
+
+    echo "Wrote test app configuration to: $1"
+}
+
+XCCONFIG_FILE="$FB_SDK_SRC"/tests/TestAppIdAndSecret.xcconfig
+
+write_xcconfig "$XCCONFIG_FILE" "$1" "$2" "$3"
+
+
diff --git a/Vendor/facebook-ios-sdk/scripts/image_to_code.py b/Vendor/facebook-ios-sdk/scripts/image_to_code.py
new file mode 100755
index 0000000..9f69ec6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/image_to_code.py
@@ -0,0 +1,142 @@
+#!/usr/bin/python
+
+import sys
+import getopt
+
+headerTemplate = """/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This is is a generated file during the SDK build process.
+ * Please do not hand edit this file.
+ * It can be rebuilt by running 
+ *
+ *   ./image_to_code.py %(args)s
+ *
+ */
+"""
+
+def bytes_from_file(filename, chunksize=8192):
+  with open(filename, "rb") as f:
+    while True:
+      chunk = f.read(chunksize)
+      if chunk:
+        for b in chunk:
+          yield b
+      else:
+        break
+
+def write_header_file(header, className, outputFile):
+  with open(outputFile, "w") as f:
+    f.write(header)
+    f.write("""
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+""")
+    f.write("@interface " + className + " : NSObject\n\n")
+    f.write("+ (UIImage *)image;\n\n")
+    f.write("@end")
+
+def write_implementation_file(inputFile, header, className, outputFile):
+  formattedBytes = ["0x{0:02x}".format(ord(x)) for x in bytes_from_file(inputFile)]
+  with open(outputFile, "w") as f:
+    f.write(header)
+    f.write("\n")
+    f.write("#import \"" + className + ".h\"\n")
+    f.write("#import \"FBImageResourceLoader.h\"\n\n")
+
+    # Write standard bytes out
+    f.write("const Byte " + className + "_standard[] = {\n")
+    f.write(", ".join(formattedBytes))
+    f.write("\n")
+    f.write("};\n")
+
+    
+    # Write retina if present
+    useRetina = True
+    try:
+      (name, ext) = inputFile.rsplit(".", 1)
+      name = name + "@2x"
+      formattedBytes = ["0x{0:02x}".format(ord(x)) for x in bytes_from_file(name + "." + ext)]
+      f.write("const Byte " + className + "_retina[] = {\n")
+      f.write(", ".join(formattedBytes))
+      f.write("\n")
+      f.write("};\n")
+    except IOError:
+      useRetina = False
+
+    # Enter the bundle path override
+    # strip of the PNG that was added for our class name for the resource name
+    bundlepath = "@\"" + "FacebookSDKImages/" + className[0:-3] + ".png\""
+
+    f.write("\n")
+    f.write("@implementation " + className + "\n\n")
+    f.write("+ (UIImage *)image {\n")
+    f.write("    return [FBImageResourceLoader imageNamed:")
+    f.write(bundlepath)
+    f.write("\n")
+    f.write("                                   fromBytes:" + className + "_standard\n")
+    f.write("                                      length:sizeof(" + className + "_standard)/sizeof(" + className + "_standard[0])\n")
+    if useRetina:
+      f.write("                             fromRetinaBytes:" + className + "_retina\n")
+      f.write("                                retinaLength:sizeof(" + className + "_retina)/sizeof(" + className + "_retina[0])];\n")
+    else:
+      f.write("                             fromRetinaBytes:NULL\n")
+      f.write("                                retinaLength:0];\n")
+    f.write("}\n")
+    f.write("@end\n")
+
+def main(argv):
+  inputFile = ''
+  outputClass = ''
+  outputDir = ''
+
+  try:
+    opts, args = getopt.getopt(argv,"hi:c:o:")
+  except getopt.GetoptError:
+    print 'image_to_code.py -i <inputFile> -c <class> -o <outputDir>'
+    sys.exit(2)
+  for opt, arg in opts:
+    if opt == '-h':
+      print 'image_to_code.py -i <inputFile> -c <class> -o <outputDir>'
+      sys.exit()
+    elif opt == '-i':
+      inputFile = arg
+    elif opt == '-c':
+      outputClass = arg
+    elif opt in '-o':
+      outputDir = arg
+
+  # Build file headers
+  header = headerTemplate % {"args" : " ".join(argv)}
+
+  # outputClass needs to add PNG as part of it
+  outputClass = outputClass + "PNG"
+
+  # Build the output base filename
+  outputFileBase = outputDir + "/" + outputClass
+
+  # Build .h file
+  outputFile = outputFileBase + ".h"
+  write_header_file(header, outputClass, outputFile)
+
+  # Build .m file
+  outputFile = outputFileBase + ".m"
+  write_implementation_file(inputFile, header, outputClass, outputFile)
+
+if __name__ == "__main__":
+   main(sys.argv[1:])
diff --git a/Vendor/facebook-ios-sdk/scripts/label_version_number.sh b/Vendor/facebook-ios-sdk/scripts/label_version_number.sh
new file mode 100755
index 0000000..1f8675c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/label_version_number.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+if [ "$#" -lt 2 ]; then
+    echo "Usage: $0 MAJOR MINOR [HOTFIX [BETA]]"
+    echo "  MAJOR         major version number"
+    echo "  MINOR         minor version number"
+    echo "  HOTFIX        hotfix version number"
+    echo "  BETA          'b' if this is a beta release"
+    die 'Arguments do not conform to usage'
+fi
+
+cd $FB_SDK_SRC
+
+VERSION_STRING="$1"."$2"
+
+if [ "$3" != "" ]; then
+    VERSION_STRING="$VERSION_STRING"."$3"
+fi
+if [ "$4" != "" ]; then
+    # We actually append 'b' regardless of what was passed.
+    VERSION_STRING="$VERSION_STRING".b
+fi
+
+TAG_NAME=sdk-version-"$VERSION_STRING"
+
+git tag -a "$TAG_NAME" HEAD \
+    || die 'Failed to tag HEAD. If this is a duplicate tag, please delete the old one first.'
+
+progress_message "Tagged HEAD as $TAG_NAME"
+progress_message "Be sure to use 'git push --tags' in order to push tags upstream."
+
+common_success
diff --git a/Vendor/facebook-ios-sdk/scripts/rm_test_users.py b/Vendor/facebook-ios-sdk/scripts/rm_test_users.py
new file mode 100755
index 0000000..7edd676
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/rm_test_users.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import sys
+import json
+import httplib
+from urlparse import urlparse
+
+if len(sys.argv) == 3:
+    appId = sys.argv[1];
+    appSecret = sys.argv[2];
+    print("Deleting test users for app " + appId);
+else:
+    print("Must specify appId and appSecret.");
+    exit(-1);
+
+host = "graph.facebook.com";
+fmtGet = "/{0}/accounts/test-users?access_token={0}|{1}";
+fmtDel = "/{0}?method=delete&access_token={1}|{2}";
+
+usersPath = fmtGet.format(appId, appSecret);
+
+while usersPath:
+    print("Getting users via: " + usersPath);
+    conn = httplib.HTTPSConnection(host);
+    conn.request("GET", usersPath);
+    users = json.loads(conn.getresponse().read());
+    print "Got", len(users["data"]), "users.";
+
+    for user in users["data"]:
+        print("Deleting user {0}".format(user["id"]));
+        delPath = fmtDel.format(user["id"], appId, appSecret);
+        conn = httplib.HTTPSConnection(host);
+        conn.request("GET", delPath);
+        deleteResult = conn.getresponse().read();
+        if (deleteResult <> "true"):
+            print("delete failed, got " + deleteResult);
+
+    if not "paging" in users:
+        break;
+    paging = users["paging"];
+    if not "next" in users["paging"]:
+        break;
+    nextUrl = paging["next"];
+    prefix = "https://graph.facebook.com";
+
+    if not nextUrl.startswith(prefix):
+        print("Paging url does not start with "+prefix);
+        break;
+
+    usersPath = nextUrl[len(prefix):];
+    print("Continuing next page at: " + usersPath);
diff --git a/Vendor/facebook-ios-sdk/scripts/run_tests.sh b/Vendor/facebook-ios-sdk/scripts/run_tests.sh
new file mode 100755
index 0000000..a5b4d26
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/scripts/run_tests.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+#
+# Copyright 2010-present Facebook.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+. ${FB_SDK_SCRIPT:-$(dirname $0)}/common.sh
+
+# process options, valid arguments -c [Debug|Release] -n 
+BUILDCONFIGURATION=Debug
+SCHEMES="facebook-ios-sdk-tests FacebookSDKIntegrationTests"
+
+while getopts ":nc:" OPTNAME
+do
+  case "$OPTNAME" in
+    "c")
+      BUILDCONFIGURATION=$OPTARG
+      ;;
+    "?")
+      echo "$0 [-c [Debug|Release]] [-n] [SUITE ...]"
+      echo "       -c sets configuration"
+      echo "       -n clean before build"
+      echo "SUITE: one or more of the following (default is all):"
+      echo "       facebook-ios-sdk-tests: unit tests"
+      echo "       FacebookSDKIntegrationTests: integration tests"
+      die
+      ;;
+    "n")
+      CLEAN=clean
+      ;;
+    ":")
+      echo "Missing argument value for option $OPTARG"
+      die
+      ;;
+    *)
+    # Should not occur
+      echo "Unknown error while processing options"
+      die
+      ;;
+  esac
+done
+shift $(( $OPTIND -1 ))
+
+if [ -n "$*" ]; then
+    SCHEMES="$*"
+fi
+
+test -x "$XCODEBUILD" || die 'Could not find xcodebuild in $PATH'
+
+cd $FB_SDK_SRC
+
+for SCHEME in $SCHEMES; do
+    $XCODEBUILD \
+	-sdk iphonesimulator \
+	-configuration $BUILDCONFIGURATION \
+	-scheme $SCHEME \
+	$CLEAN test \
+	|| die "Error while running unit tests"
+done
diff --git a/Vendor/facebook-ios-sdk/src/Base64/FBBase64.h b/Vendor/facebook-ios-sdk/src/Base64/FBBase64.h
new file mode 100644
index 0000000..720c444
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Base64/FBBase64.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBUtility.h"
+
+// Given a byte array, returns an NSString containing those bytes encoded in Base64 encoding.
+extern NSString* FBEncodeBase64(NSData* data);
+
+// Given a Base64-encoded string, decodes the string and returns an
+// NSData containing the decoded bytes.
+extern NSData* FBDecodeBase64(NSString* base64);
diff --git a/Vendor/facebook-ios-sdk/src/Base64/FBBase64.m b/Vendor/facebook-ios-sdk/src/Base64/FBBase64.m
new file mode 100644
index 0000000..d4472bd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Base64/FBBase64.m
@@ -0,0 +1,203 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Contains code from QSUtilities QSStrings.m:
+ *
+ * Copyright (c) 2010 - 2011, Quasidea Development, LLC
+ * For more information, please go to http://www.quasidea.com/
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/*
+ Base64 Functions ported from PHP's Core
+
+ +----------------------------------------------------------------------+
+ | PHP Version 5                                                        |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2010 The PHP Group                                |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 3.01 of the PHP license,      |
+ | that is bundled with this package in the file LICENSE, and is        |
+ | available through the world-wide-web at the following url:           |
+ | http://www.php.net/license/3_01.txt                                  |
+ | If you did not receive a copy of the PHP license and are unable to   |
+ | obtain it through the world-wide-web, please send a note to          |
+ | license@php.net so we can mail you a copy immediately.               |
+ +----------------------------------------------------------------------+
+ | Author: Jim Winstead <jimw@php.net>                                  |
+ +----------------------------------------------------------------------+
+*/
+
+#import "FBBase64.h"
+
+static const char _base64EncodingTable[64] =
+  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const short _base64DecodingTable[256] = {
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -2, -1, -1, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -1, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, 62, -2, -2, -2, 63,
+  52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -2, -2, -2, -2, -2, -2,
+  -2,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -2, -2, -2, -2, -2,
+  -2, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+  41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
+  -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2
+};
+
+NSString* FBEncodeBase64(NSData* objData) {
+  const unsigned char* objRawData = [objData bytes];
+  char* objPointer;
+  char* strResult;
+
+  // Get the Raw Data length and ensure we actually have data
+  size_t intLength = [objData length];
+  if (intLength == 0) return @"";
+
+  // Setup the String-based Result placeholder and pointer within that placeholder
+  strResult = (char *)calloc(((intLength + 2) / 3) * 4, sizeof(char));
+  objPointer = strResult;
+
+  // Iterate through everything
+  while (intLength > 2) { // keep going until we have less than 24 bits
+    *objPointer++ = _base64EncodingTable[objRawData[0] >> 2];
+    *objPointer++ = _base64EncodingTable[((objRawData[0] & 0x03) << 4) + (objRawData[1] >> 4)];
+    *objPointer++ = _base64EncodingTable[((objRawData[1] & 0x0f) << 2) + (objRawData[2] >> 6)];
+    *objPointer++ = _base64EncodingTable[objRawData[2] & 0x3f];
+
+    // we just handled 3 octets (24 bits) of data
+    objRawData += 3;
+    intLength -= 3;
+  }
+
+  // now deal with the tail end of things
+  if (intLength != 0) {
+    *objPointer++ = _base64EncodingTable[objRawData[0] >> 2];
+    if (intLength > 1) {
+      *objPointer++ = _base64EncodingTable[((objRawData[0] & 0x03) << 4) + (objRawData[1] >> 4)];
+      *objPointer++ = _base64EncodingTable[(objRawData[1] & 0x0f) << 2];
+      *objPointer++ = '=';
+    } else {
+      *objPointer++ = _base64EncodingTable[(objRawData[0] & 0x03) << 4];
+      *objPointer++ = '=';
+      *objPointer++ = '=';
+    }
+  }
+
+  NSString* strToReturn = [[NSString alloc] initWithBytesNoCopy:strResult
+                                                         length:objPointer - strResult
+                                                       encoding:NSASCIIStringEncoding
+                                                   freeWhenDone:YES];
+  return [strToReturn autorelease];
+}
+
+NSData* FBDecodeBase64(NSString* strBase64) {
+  const char* objPointer = [strBase64 cStringUsingEncoding:NSASCIIStringEncoding];
+  if (objPointer == NULL)  return nil;
+  size_t intLength = strlen(objPointer);
+  int intCurrent;
+  int i = 0, j = 0, k;
+
+  unsigned char* objResult;
+  objResult = calloc(intLength, sizeof(unsigned char));
+
+  // Run through the whole string, converting as we go
+  while ( ((intCurrent = *objPointer++) != '\0') && (intLength-- > 0) ) {
+    if (intCurrent == '=') {
+      if (*objPointer != '=' && ((i % 4) == 1)) {// || (intLength > 0)) {
+        // the padding character is invalid at this point -- so this entire string is invalid
+        free(objResult);
+        return nil;
+      }
+      continue;
+    }
+
+    intCurrent = _base64DecodingTable[intCurrent];
+    if (intCurrent == -1) {
+      // we're at a whitespace -- simply skip over
+      continue;
+    } else if (intCurrent == -2) {
+      // we're at an invalid character
+      free(objResult);
+      return nil;
+    }
+
+    switch (i % 4) {
+      case 0:
+        objResult[j] = intCurrent << 2;
+        break;
+
+      case 1:
+        objResult[j++] |= intCurrent >> 4;
+        objResult[j] = (intCurrent & 0x0f) << 4;
+        break;
+
+      case 2:
+        objResult[j++] |= intCurrent >>2;
+        objResult[j] = (intCurrent & 0x03) << 6;
+        break;
+
+      case 3:
+        objResult[j++] |= intCurrent;
+        break;
+    }
+    i++;
+  }
+
+  // mop things up if we ended on a boundary
+  k = j;
+  if (intCurrent == '=') {
+    switch (i % 4) {
+      case 1:
+        // Invalid state
+        free(objResult);
+        return nil;
+
+      case 2:
+        k++;
+        // flow through
+      case 3:
+        objResult[k] = 0;
+    }
+  }
+
+  // Cleanup and setup the return NSData
+  return [[[NSData alloc] initWithBytesNoCopy:objResult length:j freeWhenDone:YES] autorelease];
+}
diff --git a/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.h b/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.h
new file mode 100644
index 0000000..81edca8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface FBCrypto : NSObject
+
+/**
+ * Generate numOfBytes random data
+ * This calls the system-provided function SecRandomCopyBytes, based on /dev/random.
+ */
++ (NSData *)randomBytes:(NSUInteger)numOfBytes;
+
+/**
+ * Generate a fresh master key using SecRandomCopyBytes, the result is encoded in base64
+ */
++ (NSString *)makeMasterKey;
+
+/**
+ * Initialize with a base64-encoded master key.
+ * This key and the current derivation function will be used to generate the encryption key and the mac key.
+ */
+- (id)initWithMasterKey:(NSString *)masterKey;
+
+/**
+ * Initialize with base64-encoded encryption key and mac key
+ */
+- (id)initWithEncryptionKey:(NSString *)encryptionKey macKey:(NSString *)macKey;
+
+/**
+ * Encrypt plainText and return the base64 encoded result. MAC computation involves additionalDataToSign
+ */
+- (NSString *)encrypt:(NSData *)plainText additionalDataToSign:(NSData *)additionalDataToSign;
+
+/**
+ * Decrypt base64EncodedCipherText. MAC computation involves additionalSignedData
+ */
+- (NSData *)decrypt:(NSString *)base64EncodedCipherText additionalSignedData:(NSData *)additionalSignedData;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.m b/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.m
new file mode 100644
index 0000000..3152bc5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Cryptography/FBCrypto.m
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBCrypto.h"
+#import "FBBase64.h"
+#import "FBDynamicFrameworkLoader.h"
+#import <CommonCrypto/CommonCryptor.h>
+#import <CommonCrypto/CommonDigest.h>
+#import <CommonCrypto/CommonHMAC.h>
+
+static const uint8_t kFB_CRYPTO_CURRENT_VERSION = 1;
+static const uint8_t kFB_CRYPTO_CURRENT_MASTER_KEY_LENGTH = 16;
+
+static void FBWriteIntBigEndian(uint8_t *buffer, uint32_t value)
+{
+  buffer[3] = (uint8_t)(value & 0xff);
+  buffer[2] = (uint8_t)((value >> 8) & 0xff);
+  buffer[1] = (uint8_t)((value >> 16) & 0xff);
+  buffer[0] = (uint8_t)((value >> 24) & 0xff);
+}
+
+static uint32_t FBReadIntBigEndian(uint8_t *buffer)
+{
+  uint32_t result = (uint32_t)buffer[3] + (buffer[2] << 8) + (buffer[1] << 16) + (buffer[0] << 24);
+  return result;
+}
+
+
+static void blankData(NSData *data)
+{
+  if (!data) {
+    return;
+  }
+  bzero((void *) [data bytes], [data length]);
+}
+
+
+@implementation FBCrypto {
+  NSData *_encryptionKeyData;
+  NSData *_macKeyData;
+}
+
+// Note: the following simple derivation function is NOT suitable for passwords or weak keys
+static NSData * makeSubKey(uint8_t * key, size_t len, uint32_t idx)
+{
+  if (!key || len < 10) {
+    return nil;
+  }
+
+  size_t macBufferLength = 4;
+  uint8_t macBuffer[4];
+  FBWriteIntBigEndian(macBuffer, idx);
+
+  uint8_t *result = malloc(CC_SHA256_DIGEST_LENGTH);
+  if (!result) {
+    return nil;
+  }
+
+  CCHmac(kCCHmacAlgSHA256, key, len, macBuffer, macBufferLength, result);
+
+  return [NSData dataWithBytesNoCopy:result length:CC_SHA256_DIGEST_LENGTH];
+}
+
+- (id)initWithMasterKey:(NSString *)masterKey
+{
+  if ((self = [super init])) {
+    NSData * masterKeyData = FBDecodeBase64(masterKey);
+    NSUInteger len = [masterKeyData length];
+    uint8_t *first = (uint8_t *) [masterKeyData bytes];
+
+    if (len == 0 || first == nil || *first != kFB_CRYPTO_CURRENT_VERSION) {
+      // only one version supported at the moment
+      [self release];
+      return nil;
+    }
+
+    _encryptionKeyData = [makeSubKey(first+1, len-1, 1) retain];
+    _macKeyData = [makeSubKey(first+1, len-1, 2) retain];
+    blankData(masterKeyData);
+    return self;
+  } else {
+    return nil;
+  }
+}
+
++ (NSString *) makeMasterKey
+{
+  NSData * masterKeyData = [FBCrypto randomBytes:kFB_CRYPTO_CURRENT_MASTER_KEY_LENGTH + 1];
+
+  // force the first byte to be the crypto version
+  uint8_t *first = (uint8_t *) [masterKeyData bytes];
+  *first = kFB_CRYPTO_CURRENT_VERSION;
+
+  NSString * masterKey = FBEncodeBase64(masterKeyData);
+  blankData(masterKeyData);
+  return masterKey;
+}
+
+
+- (id)initWithEncryptionKey:(NSString *)encryptionKey macKey:(NSString *)macKey
+{
+  if ((self = [super init])) {
+    _macKeyData = [FBDecodeBase64(macKey) retain];
+    _encryptionKeyData = [FBDecodeBase64(encryptionKey) retain];
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  blankData(_encryptionKeyData);
+  blankData(_macKeyData);
+  [_encryptionKeyData release];
+  [_macKeyData release];
+  [super dealloc];
+}
+
++ (NSData *)randomBytes:(NSUInteger)numOfBytes
+{
+  uint8_t *buffer = malloc(numOfBytes);
+  int result = fbdfl_SecRandomCopyBytes([FBDynamicFrameworkLoader loadkSecRandomDefault], numOfBytes, buffer);
+  if (result != 0) {
+    free(buffer);
+    return nil;
+  }
+  return [NSData dataWithBytesNoCopy:buffer length:numOfBytes];
+}
+
+/**
+ *
+ * [IV 16 bytes] . [length of ciphertext 4 bytes] . [ciphertext] . [length of additionalDataToSign, 4 bytes] . [additionalDataToSign])
+ * length is written in big-endian
+ */
+- (NSData *)_macForIV:(NSData *)IV cipherData:(NSData *)cipherData additionalDataToSign:(NSData *)additionalDataToSign
+{
+  NSAssert(cipherData.length <= INT_MAX, @"");
+  int cipherDataLength = (int)cipherData.length;
+
+  NSAssert(additionalDataToSign.length <= INT_MAX, @"");
+  int additionalDataToSignLength = (int)additionalDataToSign.length;
+
+  size_t macBufferLength = kCCBlockSizeAES128 + 4 + cipherData.length + 4 + additionalDataToSign.length;
+  uint8_t *macBuffer = malloc(macBufferLength);
+  int offsetIV = 0;
+  int offsetCipherTextLength = offsetIV + kCCBlockSizeAES128;
+  int offsetCipherText = offsetCipherTextLength + 4;
+
+  int offsetAdditionalDataLength = offsetCipherText + cipherDataLength;
+  int offsetAdditionalData = offsetAdditionalDataLength + 4;
+
+  memcpy(macBuffer + offsetIV, IV.bytes, kCCBlockSizeAES128); // [IV 16 bytes]
+  FBWriteIntBigEndian(macBuffer + offsetCipherTextLength, cipherDataLength); // [length of ciphertext 4 bytes]
+  memcpy(macBuffer + offsetCipherText, cipherData.bytes, cipherDataLength); // [ciphertext]
+  FBWriteIntBigEndian(macBuffer + offsetAdditionalDataLength, additionalDataToSignLength); // [length of additionalDataToSign, 4 bytes]
+  memcpy(macBuffer + offsetAdditionalData, additionalDataToSign.bytes, additionalDataToSignLength);
+
+  uint8_t *result = malloc(CC_SHA256_DIGEST_LENGTH);
+
+  CCHmac(kCCHmacAlgSHA256, _macKeyData.bytes, _macKeyData.length, macBuffer, macBufferLength, result);
+  free(macBuffer);
+
+  return [NSData dataWithBytesNoCopy:result length:CC_SHA256_DIGEST_LENGTH];
+}
+
+/**
+ * return base64_encode([VERSION 1 byte] + [MAC 32 bytes] + [IV 16 bytes] + [AES256(Padded Data, multiples of 16)]
+ */
+- (NSString *)encrypt:(NSData *)plainText additionalDataToSign:(NSData *)additionalDataToSign
+{
+  NSAssert(plainText.length <= INT_MAX, @"");
+  int plainTextLength = (int)plainText.length;
+
+  uint8_t numPaddingBytes = kCCBlockSizeAES128 - (plainText.length % kCCBlockSizeAES128); // Pad 1 .. 16 bytes
+  int cipherDataLength = plainTextLength + numPaddingBytes;
+  size_t bufferSize = 1 + CC_SHA256_DIGEST_LENGTH + kCCBlockSizeAES128 + cipherDataLength;
+  int offsetMAC = 1;
+  int offsetIV = offsetMAC + CC_SHA256_DIGEST_LENGTH;
+  int offsetCipherData = offsetIV + kCCBlockSizeAES128;
+
+  uint8_t *buffer = calloc(bufferSize, sizeof(uint8_t));
+  buffer[0] = kFB_CRYPTO_CURRENT_VERSION; // First byte is the version number
+  NSData *IV = [[self class] randomBytes:kCCBlockSizeAES128];
+  memcpy(buffer + offsetIV, IV.bytes, IV.length);
+
+  memcpy(buffer + offsetCipherData, plainText.bytes, plainTextLength); // Copy input in
+  fbdfl_SecRandomCopyBytes([FBDynamicFrameworkLoader loadkSecRandomDefault], numPaddingBytes, buffer + offsetCipherData + plainTextLength); // Random pad
+  buffer[offsetCipherData + cipherDataLength - 1] = numPaddingBytes; // Record the number of padded bytes at the end
+
+  size_t numOutputBytes = 0;
+  CCCryptorStatus cryptStatus = CCCrypt(kCCEncrypt, kCCAlgorithmAES128, 0,
+                                        _encryptionKeyData.bytes, kCCKeySizeAES256,
+                                        IV.bytes,
+                                        buffer + offsetCipherData, cipherDataLength,
+                                        buffer + offsetCipherData, cipherDataLength,
+                                        &numOutputBytes);
+
+  NSData *mac = [self _macForIV:IV
+                     cipherData:[NSData dataWithBytesNoCopy:buffer + offsetCipherData length:cipherDataLength freeWhenDone:NO]
+           additionalDataToSign:additionalDataToSign];
+  memcpy(buffer + offsetMAC, mac.bytes, CC_SHA256_DIGEST_LENGTH);
+
+  if (cryptStatus == kCCSuccess) {
+    return FBEncodeBase64([NSData dataWithBytesNoCopy:buffer length:bufferSize]);
+  }
+  free(buffer);
+  return nil;
+}
+
+- (NSData *)decrypt:(NSString *)base64EncodedCipherText additionalSignedData:(NSData *)additionalSignedData
+{
+  NSData *cipherText = FBDecodeBase64(base64EncodedCipherText);
+  NSAssert(cipherText.length <= INT_MAX, @"");
+  int cipherTextLength = (int)cipherText.length;
+
+  if (!cipherText || cipherTextLength < 1 + CC_SHA256_DIGEST_LENGTH + kCCBlockSizeAES128) {
+    return nil;
+  }
+  int cipherDataLength = cipherTextLength  - (1 + CC_SHA256_DIGEST_LENGTH + kCCBlockSizeAES128);
+  if (cipherDataLength % kCCBlockSizeAES128 != 0) {
+    return nil;
+  }
+  uint8_t *buffer = (uint8_t *)cipherText.bytes;
+
+  int offsetMAC = 1;
+  int offsetIV = offsetMAC + CC_SHA256_DIGEST_LENGTH;
+  int offsetCipherData = offsetIV + kCCBlockSizeAES128;
+
+  if (buffer[0] != kFB_CRYPTO_CURRENT_VERSION) {
+    return nil; // Version does not match
+  }
+
+  NSData *IV = [NSData dataWithBytesNoCopy:buffer + offsetIV length:kCCBlockSizeAES128 freeWhenDone:NO];
+  NSData *cipherData = [NSData dataWithBytesNoCopy:buffer + offsetCipherData length:cipherDataLength freeWhenDone:NO];
+  NSData *mac = [self _macForIV:IV cipherData:cipherData additionalDataToSign:additionalSignedData];
+  NSData *macFromStream = [NSData dataWithBytesNoCopy:buffer + offsetMAC length:CC_SHA256_DIGEST_LENGTH freeWhenDone:NO];
+  if (![mac isEqualToData:macFromStream]) {
+    return nil; // MAC does not match
+  }
+
+
+  uint8_t *outputBuffer = malloc(cipherDataLength);
+  size_t numOutputBytes = 0;
+  CCCryptorStatus cryptStatus = CCCrypt(kCCDecrypt, kCCAlgorithmAES128, 0,
+                                        _encryptionKeyData.bytes, kCCKeySizeAES256,
+                                        IV.bytes,
+                                        buffer + offsetCipherData, cipherDataLength,
+                                        outputBuffer, cipherDataLength,
+                                        &numOutputBytes);
+  if (cryptStatus == kCCSuccess) {
+    int numPaddingBytes = outputBuffer[cipherDataLength - 1];
+    if (!(numPaddingBytes >= 1 && numPaddingBytes <= kCCBlockSizeAES128)) {
+      numPaddingBytes = 0;
+    }
+    return [NSData dataWithBytesNoCopy:outputBuffer length:cipherDataLength - numPaddingBytes];
+  }
+  free(outputBuffer);
+  return nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAccessTokenData+Internal.h b/Vendor/facebook-ios-sdk/src/FBAccessTokenData+Internal.h
new file mode 100644
index 0000000..60b2e1d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAccessTokenData+Internal.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAccessTokenData.h"
+
+/*
+ @abstract Internal API to FBAccessTokenData
+ @discussion
+   Note even though FBAccessTokenData should be treated as immutable
+ with respect to the public surface area, we provide internal
+ read-write fields to support backwards compatibility with
+ older logic.
+*/
+@interface FBAccessTokenData (Internal)
+
+@property (nonatomic, readwrite, copy) NSDate *refreshDate;
+@property (nonatomic, readwrite, copy) NSArray *permissions;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAccessTokenData.h b/Vendor/facebook-ios-sdk/src/FBAccessTokenData.h
new file mode 100644
index 0000000..1665d5a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAccessTokenData.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession.h"
+
+/*!
+ @class FBAccessTokenData
+ 
+ @abstract Represents an access token used for the Facebook login flow
+  and includes associated metadata such as expiration date and permissions.
+  You should use factory methods (createToken...) to construct instances
+  and should be treated as immutable.
+ 
+ @discussion For more information, see 
+ https://developers.facebook.com/docs/concepts/login/access-tokens-and-types/.
+*/
+@interface FBAccessTokenData : NSObject <NSCopying>
+
+/*!
+ @method
+ 
+ @abstract Creates an FBAccessTokenData from an App Link provided by the Facebook application
+  or nil if the url is not valid.
+ 
+ @param url The url provided.
+ @param appID needed in order to verify URL format.
+ @param urlSchemeSuffix needed in order to verify URL format.
+ 
+*/
++ (FBAccessTokenData *) createTokenFromFacebookURL:(NSURL *)url appID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix;
+
+/*!
+ @method
+ 
+ @abstract Creates an FBAccessTokenData from a dictionary or returns nil if required data is missing.
+ @param dictionary the dictionary with FBSessionTokenCachingStrategy keys.
+ */
++ (FBAccessTokenData *) createTokenFromDictionary:(NSDictionary *)dictionary;
+
+/*!
+ @method
+ 
+ @abstract Creates an FBAccessTokenData from existing information or returns nil if required data is missing.
+ 
+ @param accessToken The token string. If nil or empty, this method will return nil.
+ @param permissions The permissions set. A value of nil indicates basic permissions.
+ @param expirationDate The expiration date. A value of nil defaults to `[NSDate distantFuture]`.
+ @param loginType The login source of the token.
+ @param refreshDate The date that token was last refreshed. A value of nil defaults to `[NSDate date]`.
+ */
++ (FBAccessTokenData *) createTokenFromString:(NSString *)accessToken
+                                  permissions:(NSArray *)permissions
+                               expirationDate:(NSDate *)expirationDate
+                                    loginType:(FBSessionLoginType)loginType
+                                  refreshDate:(NSDate *)refreshDate;
+
+/*!
+ @method
+ 
+ @abstract Creates an FBAccessTokenData from existing information or returns nil if required data is missing.
+ 
+ @param accessToken The token string. If nil or empty, this method will return nil.
+ @param permissions The permissions set. A value of nil indicates basic permissions.
+ @param expirationDate The expiration date. A value of nil defaults to `[NSDate distantFuture]`.
+ @param loginType The login source of the token.
+ @param refreshDate The date that token was last refreshed. A value of nil defaults to `[NSDate date]`.
+ @param permissionsRefreshDate The date the permissions were last refreshed. A value of nil defaults to `[NSDate distantPast]`.
+ */
++ (FBAccessTokenData *) createTokenFromString:(NSString *)accessToken
+                                  permissions:(NSArray *)permissions
+                               expirationDate:(NSDate *)expirationDate
+                                    loginType:(FBSessionLoginType)loginType
+                                  refreshDate:(NSDate *)refreshDate
+                       permissionsRefreshDate:(NSDate *)permissionsRefreshDate;
+
+/*!
+ @method
+ 
+ @abstract Returns a dictionary representation of this instance.
+ 
+ @discussion This is provided for backwards compatibility with previous
+ access token related APIs that used a NSDictionary (see `FBSessionTokenCachingStrategy`).
+*/
+- (NSMutableDictionary *) dictionary;
+
+/*!
+ @method
+ 
+ @abstract Returns a Boolean value that indicates whether a given object is an FBAccessTokenData object and exactly equal the receiver.
+ 
+ @param accessTokenData the data to compare to the receiver.
+*/
+- (BOOL) isEqualToAccessTokenData:(FBAccessTokenData *)accessTokenData;
+
+/*!
+ @abstract returns the access token NSString.
+*/
+@property (readonly, nonatomic, copy) NSString *accessToken;
+
+/*!
+ @abstract returns the permissions associated with the access token.
+*/
+@property (readonly, nonatomic, copy) NSArray *permissions;
+
+/*!
+ @abstract returns the expiration date of the access token.
+*/
+@property (readonly, nonatomic, copy) NSDate *expirationDate;
+
+/*!
+ @abstract returns the login type associated with the token.
+*/
+@property (readonly, nonatomic) FBSessionLoginType loginType;
+
+/*!
+ @abstract returns the date the token was last refreshed.
+*/
+@property (readonly, nonatomic, copy) NSDate *refreshDate;
+
+/*!
+ @abstract returns the date the permissions were last refreshed.
+*/
+@property (readonly, nonatomic, copy) NSDate *permissionsRefreshDate;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAccessTokenData.m b/Vendor/facebook-ios-sdk/src/FBAccessTokenData.m
new file mode 100644
index 0000000..c53a0ea
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAccessTokenData.m
@@ -0,0 +1,223 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAccessTokenData+Internal.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import "FBSessionTokenCachingStrategy.h"
+
+@interface FBAccessTokenData()
+
+// Note these properties are re-declared here (in addition to
+// +Internal.h) to allow easy synthesis. Additionally, this is required to
+// allow the SDK to call the setters of these properties from an app, since
+// the app only has access to the public (not +Internal) header.
+@property (nonatomic, readwrite, copy) NSDate *refreshDate;
+@property (nonatomic, readwrite, copy) NSArray *permissions;
+
+@property (nonatomic, readwrite, copy) NSDate *permissionsRefreshDate;
+
+@end
+
+@implementation FBAccessTokenData
+
+- (id)       initWithToken:(NSString *)accessToken
+               permissions:(NSArray *)permissions
+            expirationDate:(NSDate *)expirationDate
+                 loginType:(FBSessionLoginType)loginType
+               refreshDate:(NSDate *)refreshDate
+    permissionsRefreshDate:(NSDate *)permissionsRefreshDate {
+    if ((self = [super init])){
+        _accessToken = [accessToken copy];
+        _permissions = [permissions copy];
+        _expirationDate = [expirationDate copy];
+        _refreshDate = [refreshDate copy];
+        _loginType = loginType;
+        _permissionsRefreshDate = [permissionsRefreshDate copy];
+    }
+    return self;
+}
+
+- (void) dealloc {
+    [_accessToken release];
+    [_permissions release];
+    [_expirationDate release];
+    [_refreshDate release];
+    [_permissionsRefreshDate release];
+    [super dealloc];
+}
+
+#pragma mark - Factory methods
+
++ (FBAccessTokenData *) createTokenFromFacebookURL:(NSURL *)url appID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix {
+    // if the URL's structure doesn't match the structure used for Facebook authorization, abort.
+    NSString* expectedUrlPrefix = [FBUtility stringAppBaseUrlFromAppId:appID urlSchemeSuffix:urlSchemeSuffix];
+    if (![[url absoluteString] hasPrefix:expectedUrlPrefix]) {
+        return nil;
+    }
+    
+    NSDictionary *queryDictionary = [FBUtility queryParamsDictionaryFromFBURL:url];
+    
+    return [self createTokenFromString:queryDictionary[@"access_token"]
+                           permissions:nil
+                        expirationDate:[FBUtility expirationDateFromExpirationTimeIntervalString:queryDictionary[@"expires_in"]]
+                             loginType:FBSessionLoginTypeFacebookApplication
+                           refreshDate:nil];
+}
+
++ (FBAccessTokenData *) createTokenFromDictionary:(NSDictionary *)dictionary {
+    NSString *dictionaryToken = dictionary[FBTokenInformationTokenKey];
+    NSDate *dictionaryExpirationDate = dictionary[FBTokenInformationExpirationDateKey];
+    NSArray *dictionaryPermissions = dictionary[FBTokenInformationPermissionsKey];
+    FBSessionLoginType dictionaryLoginType = [dictionary[FBTokenInformationLoginTypeLoginKey] intValue];
+    BOOL dictionaryIsFacebookLoginType = [dictionary[FBTokenInformationIsFacebookLoginKey] boolValue];
+    NSDate *dictionaryRefreshDate = dictionary[FBTokenInformationRefreshDateKey];
+    NSDate *dictionaryPermissionsRefreshDate = dictionary[FBTokenInformationPermissionsRefreshDateKey];
+    
+    if (dictionaryIsFacebookLoginType && dictionaryLoginType == FBSessionLoginTypeNone) {
+        // The internal isFacebookLogin has been removed but to support backwards compatibility,
+        // we will still check it and set the login type appropriately.
+        // This is relevant for `-FBSession shouldExtendAccessToken`
+        dictionaryLoginType = FBSessionLoginTypeFacebookApplication;
+    }
+    FBAccessTokenData *tokenData = [self createTokenFromString:dictionaryToken
+                                                   permissions:dictionaryPermissions
+                                                expirationDate:dictionaryExpirationDate
+                                                     loginType:dictionaryLoginType
+                                                   refreshDate:dictionaryRefreshDate
+                                        permissionsRefreshDate:dictionaryPermissionsRefreshDate];
+    return tokenData;
+}
+
++ (FBAccessTokenData *) createTokenFromString:(NSString *)accessToken
+                                  permissions:(NSArray *)permissions
+                               expirationDate:(NSDate *)expirationDate
+                                    loginType:(FBSessionLoginType)loginType
+                                  refreshDate:(NSDate *)refreshDate {
+    return [self createTokenFromString:accessToken
+                           permissions:permissions
+                        expirationDate:expirationDate
+                             loginType:loginType
+                           refreshDate:refreshDate
+                permissionsRefreshDate:nil];
+}
+
++ (FBAccessTokenData *) createTokenFromString:(NSString *)accessToken
+                                  permissions:(NSArray *)permissions
+                               expirationDate:(NSDate *)expirationDate
+                                    loginType:(FBSessionLoginType)loginType
+                                  refreshDate:(NSDate *)refreshDate
+                       permissionsRefreshDate:(NSDate *)permissionsRefreshDate
+{
+    if (accessToken == nil || [accessToken stringByTrimmingCharactersInSet:
+                               [NSCharacterSet whitespaceCharacterSet]].length == 0) {
+        return nil;
+    }
+    if (expirationDate == nil) {
+        expirationDate = [NSDate distantFuture];
+    }
+    if (refreshDate == nil) {
+        refreshDate = [NSDate date];
+    }
+    if (permissionsRefreshDate == nil) {
+        permissionsRefreshDate = [NSDate distantPast];
+    }
+    
+    FBAccessTokenData* fbAccessToken = [[FBAccessTokenData alloc] initWithToken:accessToken
+                                                                    permissions:permissions
+                                                                 expirationDate:expirationDate
+                                                                      loginType:loginType
+                                                                    refreshDate:refreshDate
+                                                         permissionsRefreshDate:permissionsRefreshDate];
+    return [fbAccessToken autorelease];
+}
+
+#pragma  mark - Public methods
+
+
+- (BOOL)isEqual:(id)other {
+    if (!other || ![other isKindOfClass:[self class]]) {
+        return NO;
+    }
+    
+    return [self isEqualToAccessTokenData:other];
+}
+
+- (NSUInteger)hash {
+    NSUInteger result = 1;
+    NSUInteger prime = 31;
+    
+    result = prime * result + [self.accessToken hash];
+    result = prime * result + [self.permissions hash];
+    result = prime * result + [self.expirationDate hash];
+    result = prime * result + [self.refreshDate hash];
+    result = prime * result + self.loginType;
+    result = prime * result + [self.permissionsRefreshDate hash];
+    
+    return result;
+}
+
+- (id)copyWithZone:(NSZone *)zone
+{
+    id copy = [[FBAccessTokenData alloc] initWithToken:self.accessToken
+                                           permissions:self.permissions
+                                        expirationDate:self.expirationDate
+                                             loginType:self.loginType
+                                           refreshDate:self.refreshDate
+                                permissionsRefreshDate:self.permissionsRefreshDate];
+    return copy;
+}
+
+- (BOOL) isEqualToAccessTokenData:(FBAccessTokenData *)accessTokenData {
+    if (self == accessTokenData) {
+        return YES;
+    }
+    
+    if ([self.accessToken isEqualToString:accessTokenData.accessToken]
+        && [[NSSet setWithArray:self.permissions] isEqualToSet:[NSSet setWithArray:accessTokenData.permissions]]
+        && [self.expirationDate isEqualToDate:accessTokenData.expirationDate]
+        && self.loginType == accessTokenData.loginType
+        && [self.refreshDate isEqualToDate:accessTokenData.refreshDate]
+        && [self.permissionsRefreshDate isEqualToDate:accessTokenData.permissionsRefreshDate]) {
+        return YES;
+    }
+    
+    return NO;
+}
+
+- (NSMutableDictionary *) dictionary {
+    NSMutableDictionary *dict = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+                                 self.accessToken, FBTokenInformationTokenKey,
+                                 self.expirationDate, FBTokenInformationExpirationDateKey,
+                                 [NSNumber numberWithInt:self.loginType], FBTokenInformationLoginTypeLoginKey,
+                                 nil];
+    if (self.refreshDate) {
+        dict[FBTokenInformationRefreshDateKey] = self.refreshDate;
+    }
+    if (self.permissions) {
+        dict[FBTokenInformationPermissionsKey] = self.permissions;
+    }
+    if (self.permissionsRefreshDate) {
+        dict[FBTokenInformationPermissionsRefreshDateKey] = self.permissionsRefreshDate;
+    }
+    return [dict autorelease];
+}
+
+- (NSString*)description {
+	return self.accessToken;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppBridge.h b/Vendor/facebook-ios-sdk/src/FBAppBridge.h
new file mode 100644
index 0000000..8aa911e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppBridge.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBAppCall.h"
+
+@interface FBAppBridge : NSObject
+
++ (id)sharedInstance;
+
+- (void)dispatchDialogAppCall:(FBAppCall *)appCall
+                      version:(NSString *)version
+                      session:(FBSession *)session
+            completionHandler:(FBAppCallHandler)handler;
+
+- (BOOL)handleOpenURL:(NSURL*)url
+    sourceApplication:(NSString*)sourceApplication
+              session:(FBSession *)session
+      fallbackHandler:(FBAppCallHandler)fallbackHandler;
+
+- (void)handleDidBecomeActive;
+
++ (NSString *)installedFBNativeAppVersionForMethod:(NSString *)method
+                                        minVersion:(NSString *)minVersion;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppBridge.m b/Vendor/facebook-ios-sdk/src/FBAppBridge.m
new file mode 100644
index 0000000..4508e9c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppBridge.m
@@ -0,0 +1,645 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppBridge.h"
+#import "FBAppBridgeTypeToJSONConverter.h"
+#import "FBBase64.h"
+#import "FBCrypto.h"
+#import "FBUtility.h"
+#import "FBError.h"
+#import "FBSession+Internal.h"
+#import "FBAppCall+Internal.h"
+#import "FBDialogsData+Internal.h"
+#import "FBSettings+Internal.h"
+
+/*
+ FBBridgeURLParams and FBBridgeKey define the protocol used between the native Facebook app
+ and the SDK to communicate over FBAppBridge
+ */
+
+/*
+ FBBridgeURLParams - parameter names that go directly into the url's query string.
+ - bridgeArgs : JSON object with properties used by the bridge.
+ - methodArgs : JSON object with properties specified by the method-specific code in the SDK. These are to be
+ consumed by the receiving method-specific code in the native Facebook app and are opaque to the bridge.
+ - appId : Facebook ID for the calling third party application.
+ - schemeSuffix : Suffix used in the scheme to differentiate different apps on the device that share the same FBID.
+ - method_results : JSON object with properties specified by the method-specific code in the native Facebook app.
+ These are to be consumed by the receiving method-specific code in the SDK and are opaque to the bridge.
+ - cipher : Encrypted data containing the above JSON objects. If present, the above objects are not included
+ directly in the URL.
+ - cipherKey : Sent by the SDK and to used by the native Facebook app in the creation of the cipher blob.
+ - version : Version of the protocol and app call, represented by one value.
+ */
+
+static const struct {
+    NSString *bridgeArgs;
+    NSString *methodArgs;
+    NSString *appId;
+    NSString *schemeSuffix;
+    NSString *methodResults;
+    NSString *cipher;
+    NSString *cipherKey;
+    NSString *version;
+} FBBridgeURLParams = {
+    .bridgeArgs = @"bridge_args",
+    .methodArgs = @"method_args",
+    .appId = @"app_id",
+    .schemeSuffix = @"scheme_suffix",
+    .methodResults = @"method_results",
+    .cipher = @"cipher",
+    .cipherKey = @"cipher_key",
+    .version = @"version",
+};
+
+/*
+ FBBridgeKey - keys into the bridgeArgs JSON object.
+ - actionId : GUID used by the bridge to identify a unique AppCall. Generated in the SDK.
+ - appName : Name of the calling app.
+ - appIcon : Icon of the calling app.
+ - clientState : JSON object which is opaque to the bridge and method-specific code. It is simply passed through in the
+ response to allow third party apps to pass context into their completion handlers.
+ */
+static const struct {
+    NSString *actionId;
+    NSString *appName;
+    NSString *appIcon;
+    NSString *clientState;
+    NSString *error;
+} FBBridgeKey = {
+    .actionId = @"action_id",
+    .appName = @"app_name",
+    .appIcon = @"app_icon",
+    .clientState = @"client_state",
+    .error = @"error",
+};
+
+static const struct {
+    NSString *code;
+    NSString *domain;
+    NSString *userInfo;
+} FBBridgeErrorKey = {
+    .code = @"code",
+    .domain = @"domain",
+    .userInfo = @"user_info",
+};
+
+static NSString *const FBAppBridgeURLHost = @"bridge";
+static NSString *const FBAppBridgeURLFormat = @"fbapi%@://dialog/%@?%@";
+static NSString *const kSerializeErrorMessage = @"Unable to present native dialog due to error processing arguments. \
+The protocol used to communicate with the Facebook application requires arguments to be translated to JSON, which \
+failed. Check the arguments and clientState to assure that they are well-formed.";
+static NSString *const FBAppBridgePasteboardNamesKey = @"FBAppBridgePasteboards";
+
+/*
+ Array of known versions that the native FB app can support.
+ They should be ordered with each element being a more recent version than the previous.
+ 
+ Format of a version : <yyyy><mm><dd>
+ */
+static NSString *const FBAppBridgeVersions[] = {
+    @"20130214",
+    @"20130410",
+    @"20130702"
+};
+
+static FBAppBridge *g_sharedInstance;
+
+@interface FBAppBridge()
+
+@property (nonatomic, retain) NSMutableDictionary *pendingAppCalls;
+@property (nonatomic, retain) NSMutableDictionary *callbacks;
+@property (nonatomic, retain) FBAppBridgeTypeToJSONConverter *jsonConverter;
+@property (nonatomic, copy) NSString *appID;
+@property (nonatomic, copy) NSString *bundleID;
+@property (nonatomic, copy) NSString *appName;
+
+@end
+
+@implementation FBAppBridge
+
++(id)sharedInstance
+{
+    static dispatch_once_t pred;
+    dispatch_once(&pred, ^{
+        g_sharedInstance = [[FBAppBridge alloc] init];
+    });
+    return g_sharedInstance;
+}
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        self.appID = [FBSettings defaultAppID];
+        // if we don't have an appID by here, fail -- this is almost certainly an app-bug
+        if (!self.appID) {
+            [[NSException exceptionWithName:FBInvalidOperationException
+                                     reason:@"FBAppBridge: AppID not found; Add a string valued key with the "
+              @"appropriate id named FacebookAppID to the bundle *.plist"
+                                   userInfo:nil]
+             raise];
+        }
+        
+        // Cache these values since they will not change
+        self.bundleID = [[NSBundle mainBundle] bundleIdentifier];
+        self.appName = [FBSettings defaultDisplayName];
+
+        self.pendingAppCalls = [NSMutableDictionary dictionary];
+        self.callbacks = [NSMutableDictionary dictionary];
+        self.jsonConverter = [[[FBAppBridgeTypeToJSONConverter alloc] init] autorelease];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    // Probably don't need the releases for singletons
+    [_pendingAppCalls release];
+    [_callbacks release];
+    [_jsonConverter release];
+    [_appID release];
+    [_bundleID release];
+    
+    [super dealloc];
+}
+
+- (void)dispatchDialogAppCall:(FBAppCall *)appCall
+                      version:(NSString *)version
+                      session:(FBSession *)session
+            completionHandler:(FBAppCallHandler)handler {
+    dispatch_async(dispatch_get_main_queue(), ^() {
+        [self performDialogAppCall:appCall
+                           version:version
+                           session:session
+                 completionHandler:handler];
+    });
+}
+
+- (void)performDialogAppCall:(FBAppCall *)appCall
+                     version:(NSString *)version
+                     session:(FBSession *)session
+           completionHandler:(FBAppCallHandler)handler {
+    if (!session) {
+        session = FBSession.activeSessionIfExists;
+    }
+    if (!appCall.isValid || !appCall.dialogData || !version) {
+        // NOTE : the FBConditionalLog is wrapped in an if to allow us to return and prevent exceptions
+        // further down. No need to check the condition again since we know we are in an error state.
+        // TODO : Change this to an assert and remove the if.
+        FBConditionalLog(YES, @"FBAppBridge: Must provide a valid AppCall object & version.");
+        return;
+    }
+    
+    NSMutableDictionary *queryParams = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                        self.appID, FBBridgeURLParams.appId,
+                                        [FBAppBridge symmetricKeyAndForceRefresh:NO], FBBridgeURLParams.cipherKey,
+                                        nil];
+    NSMutableDictionary *bridgeParams = [NSMutableDictionary dictionaryWithObject:appCall.ID
+                                                                           forKey:FBBridgeKey.actionId];
+    
+    [self addAppMetadataToDictionary:bridgeParams];
+    
+    if (appCall.dialogData.clientState) {
+        // Serialize clientState to JSON prior to converting bridgeParams to be json-ready. This will
+        // prevent our code from introspecting into clientState
+        NSString *clientStateString = [FBUtility simpleJSONEncode:appCall.dialogData.clientState];
+        if (clientStateString) {
+            bridgeParams[FBBridgeKey.clientState] = clientStateString;
+        } else {
+            // clientState is not valid JSON
+            [self invoke:handler forFailedAppCall:appCall withMessage:kSerializeErrorMessage];
+            return;
+        }
+    }
+    
+    NSString *urlSchemeSuffix = session.urlSchemeSuffix ?: [FBSettings defaultUrlSchemeSuffix];
+    if (urlSchemeSuffix) {
+        queryParams[FBBridgeURLParams.schemeSuffix] = urlSchemeSuffix;
+    }
+    
+    NSString *jsonString = [self jsonStringFromDictionary:bridgeParams];
+    if (!jsonString) {
+        [self invoke:handler forFailedAppCall:appCall withMessage:kSerializeErrorMessage];
+        return;
+    }
+    queryParams[FBBridgeURLParams.bridgeArgs] = jsonString;
+    
+    jsonString = [self jsonStringFromDictionary:appCall.dialogData.arguments];
+    if (!jsonString) {
+        [self invoke:handler forFailedAppCall:appCall withMessage:kSerializeErrorMessage];
+        return;
+    }
+    queryParams[FBBridgeURLParams.methodArgs] = jsonString;
+    
+    NSURL *url = [FBAppBridge urlForMethod:appCall.dialogData.method queryParams:queryParams version:version];
+    
+    // Track the callback and AppCall, now that we are just about to invoke the url
+    [self trackAppCall:appCall withCompletionHandler:handler];
+
+    // Remember what items we put on the pasteboard for this call.
+    [self savePasteboardNames:self.jsonConverter.createdPasteboardNames forAppCallID:appCall.ID];
+
+    BOOL success = [[UIApplication sharedApplication] openURL:url];
+
+    if (!success) {
+        [self stopTrackingCallWithID:appCall.ID];
+        [self invoke:handler
+             forFailedAppCall:appCall
+                  withMessage:@"Failed to open native dialog. Please ensure that the Facebook app is installed"];
+    }
+}
+
+- (void)invoke:(FBAppCallHandler)handler
+forFailedAppCall:(FBAppCall *)appCall
+   withMessage:(NSString *)message {
+    if (!handler) {
+        // Nothing to do here
+        return;
+    }
+    
+    appCall.error = [NSError errorWithDomain:FacebookSDKDomain
+                                        code:FBErrorDialog
+                                    userInfo:@{@"message":message}];
+    
+    handler(appCall);
+}
+
+- (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+              session:(FBSession *)session
+      fallbackHandler:(FBAppCallHandler)fallbackHandler {
+    NSString *urlHost = [url.host lowercaseString];
+    NSString *urlScheme = [url.scheme lowercaseString];
+    NSString *expectedUrlScheme = [[FBSettings defaultURLSchemeWithAppID:session.appID urlSchemeSuffix:session.urlSchemeSuffix] lowercaseString];
+    if (![urlHost isEqualToString:FBAppBridgeURLHost] || ![urlScheme isEqualToString:expectedUrlScheme]) {
+        FBAppCall *appCall = [FBAppCall appCallFromURL:url];
+        if (appCall && fallbackHandler) {
+            fallbackHandler(appCall);
+            return YES;
+        } else {
+            return NO;
+        }
+    }
+    
+    // If we're here, this URL was meant for the bridge. So from here on, let's make sure to
+    // always call the fallback handler so that the app knows that it doesn't need to
+    // try and process the URL any further.
+    
+    BOOL success = NO;
+    NSInteger preProcessErrorCode = 0;
+    if (![FBUtility isFacebookBundleIdentifier:sourceApplication]) {
+        // If we're getting a response from another non-FB app, let's drop
+        // our old symmetric key, since it might have been compromised.
+        [FBAppBridge symmetricKeyAndForceRefresh:YES];
+        
+        // The bridge only handles URLs from a native Facebook app.
+        preProcessErrorCode = FBErrorUntrustedURL;
+    } else {
+        NSString *urlPath = nil;
+        if ([url.path length] > 1) {
+            urlPath = [[url.path lowercaseString] substringFromIndex:1];
+        }
+        
+        if (urlPath && url.query) {
+            NSDictionary *queryParams = [FBUtility dictionaryByParsingURLQueryPart:url.query];
+            BOOL isEncrypted = (queryParams[FBBridgeURLParams.cipher] != nil);
+            if (isEncrypted) {
+                queryParams = [self decryptUrlQueryParams:queryParams
+                                                   method:urlPath
+                                          fallbackHandler:fallbackHandler];
+            }
+            
+            success = [self processResponse:queryParams
+                                     method:urlPath
+                                    session:session
+                            fallbackHandler:fallbackHandler];
+        }
+    }
+    
+    if (!success && fallbackHandler) {
+        NSError *preProcessError = [NSError errorWithDomain:FacebookSDKDomain
+                                                       code:preProcessErrorCode ?: FBErrorMalformedURL
+                                                   userInfo:@{
+                                  FBErrorUnprocessedURLKey : url,
+                                 NSLocalizedDescriptionKey : @"The URL could not be processed for an FBAppCall"
+                                    }];
+        
+        // NOTE : At this point, we don't have a way to know whether this URL was for a pending AppCall.
+        // This has the potential to leave some pending AppCalls in an unterminated state until the app shuts down.
+        // However, as long as the app has wired up the handleDidBecomeActive method in FBAppCall, it will
+        // get invoked by iOS after the openURL: call stack. This will result in all pending AppCalls getting
+        // cancelled, which is the desired approach here.
+        FBAppCall *dummyCall = [[[FBAppCall alloc] initWithID:nil enforceScheme:NO appID:session.appID urlSchemeSuffix:session.urlSchemeSuffix] autorelease];
+        dummyCall.error = preProcessError;
+        fallbackHandler(dummyCall);
+    }
+    
+    return YES;
+}
+
+- (void)handleDidBecomeActive {
+    // See if we had any pending AppCalls. If we did, then we need to signal an error to the app since
+    // the app was made active without the response URL from the native facebook app.
+    
+    NSError *error = nil;
+    NSArray *allPendingAppCalls = [self.pendingAppCalls allValues];
+    
+    for (FBAppCall *call in allPendingAppCalls) {
+        [call retain];
+        FBAppCallHandler handler = [[self.callbacks[call.ID] retain] autorelease];
+        [self stopTrackingCallWithID:call.ID];
+        
+        @try {
+            if (handler) {
+                if (!error) {
+                    error = [NSError errorWithDomain:FacebookSDKDomain
+                                                     code:FBErrorAppActivatedWhilePendingAppCall
+                                                 userInfo:@{NSLocalizedDescriptionKey : @"The user navigated away from "
+                                  @"the Facebook app prior to completing this AppCall. This AppCall is now cancelled "
+                                  @"and needs to be retried to get a successful completion"}];
+                }
+                call.error = error;
+                
+                // Passing nil for results, since we are effectively cancelling this action
+                handler(call);
+            }
+        }
+        @finally {
+            [call release];
+        }
+    }
+    
+}
+
+- (BOOL)processResponse:(NSDictionary *)queryParams
+                 method:(NSString *)method
+                session:(FBSession *)session
+        fallbackHandler:(FBAppCallHandler)fallbackHandler {
+    NSDictionary *bridgeArgs = [self dictionaryFromJSONString:queryParams[FBBridgeURLParams.bridgeArgs]];
+    NSString *callID = bridgeArgs[FBBridgeKey.actionId];
+    NSString *version = queryParams[FBBridgeURLParams.version];
+    
+    if (!callID || !version) {
+        // If we can't get the call Id, we have no way to proceed
+        // Also reject un-versioned responses
+        return NO;
+    }
+    
+    FBAppCallHandler handler = [[self.callbacks[callID] retain] autorelease];
+    FBAppCall *call = [self.pendingAppCalls[callID] retain];
+    
+    // If we aren't tracking this AppCall, then we need to pass control over to the fallback handler
+    // if one has been provided. This is the expected code path if the app was shutdown after switching
+    // to the native Facebook app. We can create a duplicate FBAppCall object to pass to the
+    // fallback handler, from the data in the url.
+    if (!call && fallbackHandler) {
+        NSDictionary *methodArgs = [self dictionaryFromJSONString:queryParams[FBBridgeURLParams.methodArgs]];
+        NSDictionary *clientState = [FBUtility simpleJSONDecode:bridgeArgs[FBBridgeKey.clientState]];
+        
+        FBDialogsData *dialogData = [[[FBDialogsData alloc] initWithMethod:method
+                                                                             arguments:methodArgs]
+                                           autorelease];
+        dialogData.clientState = clientState;
+        
+        call = [[FBAppCall alloc] initWithID:callID enforceScheme:NO appID:session.appID urlSchemeSuffix:session.urlSchemeSuffix];
+        call.dialogData = dialogData;
+        
+        handler = fallbackHandler;
+    }
+
+    [self stopTrackingCallWithID:callID];
+
+    // TODO: Log if handler was not found.
+    call.dialogData.results = [self dictionaryFromJSONString:queryParams[FBBridgeURLParams.methodResults]];
+    call.error = [FBAppBridge errorFromDictionary:bridgeArgs[FBBridgeKey.error]];
+    
+    @try {
+        if (handler) {
+            handler(call);
+        }
+    }
+    @finally {
+        [call release];
+    }
+    
+    // If we were able to find the call Id, then we handled the url.
+    return YES;
+}
+
+- (NSDictionary *)decryptUrlQueryParams:(NSDictionary *)cipherParams
+                                 method:(NSString *)method
+                        fallbackHandler:(FBAppCallHandler)fallbackHandler {
+    // Fetch the key from NSUserDefaults & pull apart the encrypted url query parameters
+    NSString *symmetricKey = [FBAppBridge symmetricKeyAndForceRefresh:NO];
+    NSString *version = cipherParams[FBBridgeURLParams.version];
+    NSString *cipherText = cipherParams[FBBridgeURLParams.cipher];
+    if (!symmetricKey || !cipherText || !version) {
+        return nil;
+    }
+    
+    // Build up the data needed to check the cipher's signature
+    NSArray *additionalDataComponents = [NSArray arrayWithObjects:
+                                         self.bundleID,
+                                         self.appID,
+                                         FBAppBridgeURLHost,
+                                         method,
+                                         version,
+                                         nil];
+    NSString *additionalData = [additionalDataComponents componentsJoinedByString:@":"];
+    
+    // Now that we have all required info, decrypt!
+    FBCrypto *crypto = [[FBCrypto alloc] initWithMasterKey:symmetricKey];
+    NSData *decryptedData = [crypto decrypt:cipherText
+                       additionalSignedData:[additionalData dataUsingEncoding:NSUTF8StringEncoding]];
+    [crypto release];
+    if (!decryptedData) {
+        return nil;
+    }
+    
+    // Now create the decrypted query params dictionary
+    NSString *queryParamsStr = [[NSString alloc] initWithData:decryptedData
+                                                     encoding:NSUTF8StringEncoding];
+    NSMutableDictionary *queryParams = [NSMutableDictionary dictionaryWithDictionary:
+                                        [FBUtility dictionaryByParsingURLQueryPart:queryParamsStr]];
+    queryParams[FBBridgeURLParams.version] = version;
+    [queryParamsStr release];
+    
+    return queryParams;
+}
+
++ (NSString *)symmetricKeyAndForceRefresh:(BOOL)forceRefresh {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSString *symmetricKey = [defaults objectForKey:FBBridgeURLParams.cipherKey];
+    if (!symmetricKey || forceRefresh) {
+        // Generate keys
+        symmetricKey = [FBCrypto makeMasterKey];
+        
+        // Store the keys
+        [defaults setObject:symmetricKey forKey:FBBridgeURLParams.cipherKey];
+    }
+    
+    return symmetricKey;
+}
+
+- (void)addAppMetadataToDictionary:(NSMutableDictionary *)dictionary {
+    if (self.appName) {
+        dictionary[FBBridgeKey.appName] = self.appName;
+    }
+    
+    UIImage *appIcon = [FBAppBridge appIconFromBundleInfo:[[NSBundle mainBundle] infoDictionary]];
+    if (appIcon) {
+        dictionary[FBBridgeKey.appIcon] = appIcon;
+    }
+}
+
+- (void)trackAppCall:(FBAppCall *)call
+withCompletionHandler:(FBAppCallHandler)handler {
+    self.pendingAppCalls[call.ID] = call;
+    if (!handler) {
+        // a noop handler if nil is passed in
+        handler = ^(FBAppCall *call) {};
+    }
+    // Can immediately autorelease since adding it to self.callbacks causes a retain.
+    self.callbacks[call.ID] = [Block_copy(handler) autorelease];
+}
+
+- (void)stopTrackingCallWithID:(NSString *)callID {
+    [self.pendingAppCalls removeObjectForKey:callID];
+    [self.callbacks removeObjectForKey:callID];
+
+    [self deletePasteboardsForAppCallID:callID];
+}
+
+- (NSString *)jsonStringFromDictionary:(NSDictionary *)dictionary {
+    if (!dictionary) {
+        return nil;
+    }
+    NSDictionary *wrappedDictionary = [self.jsonConverter jsonDictionaryFromDictionaryWithAppBridgeTypes:dictionary];
+    return [FBUtility simpleJSONEncode:wrappedDictionary];
+}
+
+- (NSDictionary *)dictionaryFromJSONString:(NSString *)jsonString {
+    if (!jsonString) {
+        return nil;
+    }
+    NSDictionary *jsonDictionary = [FBUtility simpleJSONDecode:jsonString];
+    return [self.jsonConverter dictionaryWithAppBridgeTypesFromJSONDictionary:jsonDictionary];
+}
+
+- (void)savePasteboardNames:(NSArray *)pasteboardNames forAppCallID:(NSString *)appCallID {
+    if (pasteboardNames.count == 0) {
+        return;
+    }
+  
+    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
+    NSMutableDictionary *dictionary = [[[userDefaults objectForKey:FBAppBridgePasteboardNamesKey] mutableCopy] autorelease];
+
+    dictionary[appCallID] = pasteboardNames;
+    [userDefaults setObject:dictionary forKey:FBAppBridgePasteboardNamesKey];
+    [userDefaults synchronize];
+}
+
+- (void)deletePasteboardsForAppCallID:(NSString *)appCallID {
+    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
+    NSMutableDictionary *dictionary = [[[userDefaults objectForKey:FBAppBridgePasteboardNamesKey] mutableCopy] autorelease];
+    NSArray *pasteboardNames = dictionary[appCallID];
+
+    if (!pasteboardNames) {
+        return;
+    }
+
+    for (NSString *pasteboardName in pasteboardNames) {
+        UIPasteboard *board = [UIPasteboard pasteboardWithName:pasteboardName create:NO];
+        if (board) {
+            [UIPasteboard removePasteboardWithName:board.name];
+        }
+    }
+
+    [dictionary removeObjectForKey:appCallID];
+
+    [userDefaults setObject:dictionary forKey:FBAppBridgePasteboardNamesKey];
+    [userDefaults synchronize];
+}
+
++ (NSURL *)urlForMethod:(NSString *)method
+            queryParams:(NSDictionary *)queryParams
+                version:(NSString *)version {
+    NSString *queryParamsStr = (queryParams) ? [FBUtility stringBySerializingQueryParameters:queryParams] : @"";
+    NSURL *url = [NSURL URLWithString:
+                  [NSString stringWithFormat:
+                   FBAppBridgeURLFormat,
+                   version,
+                   method,
+                   queryParamsStr]];
+    return url;
+}
+
++ (NSString *)installedFBNativeAppVersionForMethod:(NSString *)method
+                                        minVersion:(NSString *)minVersion {
+    NSString *version = nil;
+    int index = sizeof(FBAppBridgeVersions)/sizeof(FBAppBridgeVersions[0]);
+    while (index--) {
+        version = FBAppBridgeVersions[index];
+        BOOL isMinVersion = [version isEqualToString:minVersion];
+        NSURL *url = [FBAppBridge urlForMethod:method queryParams:nil version:version];
+        
+        if (![[UIApplication sharedApplication] canOpenURL:url]) {
+            version = nil;
+        }
+        
+        if (version || isMinVersion) {
+            // Either we found an installed version, or we just hit the minimum
+            // version for this method and did not find it to be installed.
+            // In either case, we are done searching
+            break;
+        }
+    }
+    
+    return version;
+}
+
++ (UIImage *)appIconFromBundleInfo:(NSDictionary *)bundleInfo {
+    NSArray *bundleIconFiles = nil;
+    NSDictionary *bundleIcons = bundleInfo[@"CFBundleIcons"];
+    if (bundleIcons) {
+        // iOS 5.0 and above.
+        bundleIconFiles = bundleIcons[@"CFBundlePrimaryIcon"][@"CFBundleIconFiles"];
+    } else {
+        // iOS 3.2 and above. Note, that it appears to be missing in iOS 6.0
+        bundleIconFiles = bundleInfo[@"CFBundleIconFiles"];
+    }
+    UIImage *appIcon = nil;
+    if (bundleIconFiles && bundleIconFiles.count > 0) {
+        // This should auto-select the right image file (w.r.t. resolution)
+        appIcon = [UIImage imageNamed:[bundleIconFiles objectAtIndex:0]];
+    }
+    return appIcon;
+}
+
++ (NSError *)errorFromDictionary:(NSDictionary *)errorDictionary {
+    NSError *error = nil;
+    if (errorDictionary) {
+        NSString *domain = errorDictionary[FBBridgeErrorKey.domain];
+        NSInteger code = [(NSNumber *)errorDictionary[FBBridgeErrorKey.code] integerValue];
+        NSDictionary *userInfo = errorDictionary[FBBridgeErrorKey.userInfo];
+        
+        error = [NSError errorWithDomain:domain code:code userInfo:userInfo];
+    }
+    
+    return error;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.h b/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.h
new file mode 100644
index 0000000..297ac19
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface FBAppBridgeTypeToJSONConverter : NSObject
+
+/*!
+ @abstract
+ Following a call to jsonDictionaryFromDictionaryWithAppBridgeTypes:, this property
+ will contain the names of any items that were put on the pasteboard.
+ */
+@property (nonatomic, retain) NSMutableArray *createdPasteboardNames;
+
+/*!
+ @abstract
+ Call this method to convert a dictionary containing types that are not supported by JSON, but are
+ supported by FBAppBridge to a dictionary that can be safely serialized to JSON
+ 
+ @param dictionaryWithAppBridgeTypes An NSDictionary that contains types supported by FBAppBridge, either
+ as direct descendents or further nested in dictionaries and arrays.
+ 
+ @return A dictionary that is ready for JSON serialization
+ */
+- (NSDictionary *)jsonDictionaryFromDictionaryWithAppBridgeTypes:(NSDictionary *)dictionaryWithAppBridgeTypes;
+
+/*!
+ @abstract
+ Call this method to retrieve a copy of the original dictionary that was converted to be JSON
+ serializable via a call to jsonDictionaryFromDictionaryWithAppBridgeTypes:
+ 
+ @param jsonDictionary An object that was previously processed via a call to
+ jsonDictionaryFromDictionaryWithAppBridgeTypes:
+ 
+ @return An object that is in the state prior to the call to wrap:
+ */
+- (NSDictionary *)dictionaryWithAppBridgeTypesFromJSONDictionary:(NSDictionary *)jsonDictionary;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.m b/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.m
new file mode 100644
index 0000000..8f31616
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppBridgeTypeToJSONConverter.m
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBBase64.h"
+#import "FBError.h"
+#import "FBAppBridgeTypeToJSONConverter.h"
+#import "FBSettings+Internal.h"
+
+/*
+ jsonReadyValue: A representation of the extended type that is safe for JSON serialization.
+ isPasteboard: Used to determine if the original value was stored in a UIPasteboard. If set,
+ then jsonReadyValue is the name of the pasteboard.
+ isBase64: Used to determine if the original value was Base64 encoded. If set, then the encoded
+ value has been set directly in jsonReadyValue.
+ tag: Used to determine what kind of object was originally converted to be JSON ready.
+ */
+static const struct {
+    NSString *jsonReadyValue;
+    NSString *isPasteboard;
+    NSString *isBase64;
+    NSString *tag;
+} FBAppBridgeTypesMetadata = {
+    .jsonReadyValue = @"fbAppBridgeType_jsonReadyValue",
+    .isBase64 = @"isBase64",
+    .isPasteboard = @"isPasteboard",
+    .tag = @"tag",
+};
+
+/*
+ Used to identify what the original AppBridge type that was made JSON ready. It is used to
+ be able to recreate it when asked to.
+ */
+static const struct {
+    NSString *data;
+    NSString *png;
+} FBAppBridgeTypesTags = {
+    .data = @"data",
+    .png = @"png",
+};
+
+static NSString *const FBAppBridgeTypeIdentifier = @"com.facebook.Facebook.FBAppBridgeType";
+
+@implementation FBAppBridgeTypeToJSONConverter
+
+@synthesize createdPasteboardNames = _createdPasteboardNames;
+
+- (void)dealloc
+{
+    [_createdPasteboardNames release];
+    [super dealloc];
+}
+
+- (NSDictionary *)jsonDictionaryFromDictionaryWithAppBridgeTypes:(NSDictionary *)dictionaryWithAppBridgeTypes {
+    self.createdPasteboardNames = [NSMutableArray array];
+  
+    return [self convertedDictionaryFromDictionary:dictionaryWithAppBridgeTypes
+                                  convertingToJSON:YES];
+}
+
+- (NSDictionary *)dictionaryWithAppBridgeTypesFromJSONDictionary:(NSDictionary *)jsonDictionary {
+    return [self convertedDictionaryFromDictionary:jsonDictionary
+                                  convertingToJSON:NO];
+}
+
+- (id)convertedObjectFromObject:(id)object convertingToJSON:(BOOL)convertingToJSON {
+    if ([object isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *dictionary = (NSDictionary *)object;
+        if (!convertingToJSON && dictionary[FBAppBridgeTypesMetadata.jsonReadyValue]) {
+            return [FBAppBridgeTypeToJSONConverter appBridgeTypeFromJSON:dictionary];
+        } else {
+            return [self convertedDictionaryFromDictionary:dictionary
+                                          convertingToJSON:convertingToJSON];
+        }
+    } else if ([object isKindOfClass:[NSArray class]]) {
+        return [self convertedArrayFromArray:(NSArray *)object
+                            convertingToJSON:convertingToJSON];
+    } else if (convertingToJSON) {
+        if ([object isKindOfClass:[NSData class]]) {
+            return [self jsonFromData:(NSData *)object
+                                  tag:FBAppBridgeTypesTags.data];
+        } else if ([object isKindOfClass:[UIImage class]]) {
+            UIImage *image = (UIImage *)object;
+            return [self jsonFromData:UIImageJPEGRepresentation(image, [FBSettings defaultJPEGCompressionQuality])
+                                  tag:FBAppBridgeTypesTags.png];
+        }
+    }
+    
+    // If we don't have special processing, return the same object
+    return object;
+}
+
+- (NSDictionary *)convertedDictionaryFromDictionary:(NSDictionary *)dictionary
+                                   convertingToJSON:(BOOL)convertingToJSON {
+    NSArray *keys = [dictionary allKeys];
+    if (!keys.count) {
+        return dictionary;
+    }
+    NSMutableDictionary *convertedDictionary = [NSMutableDictionary dictionary];
+    for (id key in keys) {
+        id convertedObject = [self convertedObjectFromObject:dictionary[key]
+                                            convertingToJSON:convertingToJSON];
+        if (convertedObject) {
+            convertedDictionary[key] = convertedObject;
+        }
+    }
+    
+    return convertedDictionary;
+}
+
+- (NSArray *)convertedArrayFromArray:(NSArray *)array convertingToJSON:(BOOL)convertingToJSON {
+    NSUInteger length = array.count;
+    if (length == 0) {
+        return array;
+    }
+    
+    NSMutableArray *convertedArray = [NSMutableArray arrayWithCapacity:length];
+    for (int i = 0; i < length; i++) {
+        id convertedObject = [self convertedObjectFromObject:array[i]
+                                            convertingToJSON:convertingToJSON];
+        if (convertedObject) {
+            convertedArray[i] = convertedObject;
+        } else {
+            convertedArray[i] = [NSNull null];
+        }
+    }
+    
+    return convertedArray;
+}
+
+- (NSMutableDictionary *)jsonFromData:(NSData *)data tag:(NSString *)tag {
+    NSMutableDictionary *json = [NSMutableDictionary dictionary];
+    NSString *jsonReadyValue = FBEncodeBase64(data);
+    json[FBAppBridgeTypesMetadata.isBase64] = [NSNumber numberWithBool:YES];
+    
+    json[FBAppBridgeTypesMetadata.tag] = tag ?: @"";
+    json[FBAppBridgeTypesMetadata.jsonReadyValue] = jsonReadyValue ?: @"";
+    
+    return json;
+}
+
++ (id)appBridgeTypeFromJSON:(NSDictionary *)dictionary {
+    NSString *jsonReadyValue = dictionary[FBAppBridgeTypesMetadata.jsonReadyValue];
+    NSNumber *hasBase64 = dictionary[FBAppBridgeTypesMetadata.isBase64];
+    NSNumber *hasPasteboard = dictionary[FBAppBridgeTypesMetadata.isPasteboard];
+    id appBridgeType = nil;
+    if (hasBase64) {
+        appBridgeType = FBDecodeBase64(jsonReadyValue);
+    } else if (hasPasteboard) {
+        UIPasteboard *board = [UIPasteboard pasteboardWithName:jsonReadyValue create:NO];
+        if (board) {
+            appBridgeType = [board valueForPasteboardType:FBAppBridgeTypeIdentifier];
+            [UIPasteboard removePasteboardWithName:board.name];
+        }
+    }
+    
+    if (appBridgeType && [dictionary[FBAppBridgeTypesMetadata.tag] isEqualToString:FBAppBridgeTypesTags.png]) {
+        appBridgeType = [UIImage imageWithData:appBridgeType];
+    }
+    
+    return appBridgeType;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppCall+Internal.h b/Vendor/facebook-ios-sdk/src/FBAppCall+Internal.h
new file mode 100644
index 0000000..4703657
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppCall+Internal.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppCall.h"
+
+@interface FBAppCall (Internal)
+
+// Defined here for the rest of the SDK to use
+@property (readonly) BOOL isValid;
+
+// Re-defined here as readwrite to allow the rest of the SDK to set these
+// properties
+@property (nonatomic, readwrite, retain) NSError *error;
+@property (nonatomic, readwrite, retain) FBDialogsData *dialogData;
+@property (nonatomic, readwrite, retain) FBAppLinkData *appLinkData;
+@property (nonatomic, readwrite, retain) FBAccessTokenData *accessTokenData;
+
+- (id)initWithID:(NSString *)ID;
+
+/*!
+ @abstract Designated initializer for FBAppCall
+
+ @param ID  the unique identifier for matching the FBAppCall. If nil, a random uid will be generated
+ @param enforceScheme a flag determining if we need to detect if the url scheme that will be used for a FAS
+  is correctly configured to allow a callback from iOS. In general, if you are creating an "outbound" FBAppCall,
+  you should use the default of YES to make sure the schemes are set correctly. If the scheme is not set correctly,
+  a developer error is logged and this will return nil.
+ @param appID the explicit app id to use. If nil, defaults to [FBSettings defaultAppID]
+ @param urlSchemeSuffix the explicit url scheme suffix to use. If nil, defaults to [FBSettings defaultUrlSchemeSuffix].
+ 
+ @discussion The app id and url scheme parameters are overrides that can be specified on an FBSession instance. In order
+  to wire up bridge call backs properly, FBAppCall must know about any such overrides.
+*/
+- (id)initWithID:(NSString *)ID enforceScheme:(BOOL)enforceScheme appID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppCall.h b/Vendor/facebook-ios-sdk/src/FBAppCall.h
new file mode 100644
index 0000000..72d8cc1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppCall.h
@@ -0,0 +1,231 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession.h"
+#import "FBDialogsData.h"
+#import "FBAccessTokenData.h"
+#import "FBAppLinkData.h"
+
+@class FBAppCall;
+
+/*!
+ @typedef FBAppCallHandler
+ 
+ @abstract
+ A block that is passed to performAppCall to register for a callback with the results
+ of that AppCall
+ 
+ @discussion
+ Pass a block of this type when calling performAppCall.  This will be called on the UI
+ thread, once the AppCall completes.
+ 
+ @param call      The `FBAppCall` that was completed.
+ 
+ */
+typedef void (^FBAppCallHandler)(FBAppCall *call);
+
+/*!
+ @typedef FBAppLinkFallbackHandler
+ 
+ @abstract
+ See `+openDeferredAppLink`.
+ */
+typedef void (^FBAppLinkFallbackHandler)(NSError *error);
+
+/*!
+ @class FBAppCall
+ 
+ @abstract
+ The FBAppCall object is used to encapsulate state when the app performs an
+ action that requires switching over to the native Facebook app, or when the app
+ receives an App Link.
+ 
+ @discussion
+ - Each FBAppCall instance will have a unique ID
+ - This object is passed into an FBAppCallHandler for context
+ - dialogData will be present if this AppCall is for a Native Dialog
+ - appLinkData will be present if this AppCall is for an App Link
+ - accessTokenData will be present if this AppCall contains an access token.
+ */
+@interface FBAppCall : NSObject
+
+/*! @abstract The ID of this FBAppCall instance */
+@property (nonatomic, readonly) NSString *ID;
+
+/*! @abstract Error that occurred in processing this AppCall */
+@property (nonatomic, readonly) NSError *error;
+
+/*! @abstract Data related to a Dialog AppCall */
+@property (nonatomic, readonly) FBDialogsData *dialogData;
+
+/*! @abstract Data for native app link */
+@property (nonatomic, readonly) FBAppLinkData *appLinkData;
+
+/*! @abstract Access Token that was returned in this AppCall */
+@property (nonatomic, readonly) FBAccessTokenData *accessTokenData;
+
+/*!
+ @abstract
+ Returns an FBAppCall instance from a url, if applicable. Otherwise, returns nil.
+ 
+ @param url The url.
+ 
+ @return an FBAppCall instance if the url is valid; nil otherwise.
+ 
+ @discussion This is typically used for App Link URLs.
+ */
++ (FBAppCall *) appCallFromURL:(NSURL *)url;
+
+/*!
+ @abstract
+ Compares the receiving FBAppCall to the passed in FBAppCall
+ 
+ @param appCall the other FBAppCall to compare to.
+ 
+ @return YES if the AppCalls can be considered to be the same; NO if otherwise.
+ */
+- (BOOL)isEqualToAppCall:(FBAppCall *)appCall;
+
+/*!
+ @abstract
+ Call this method from the [UIApplicationDelegate application:openURL:sourceApplication:annotation:] method
+ of the AppDelegate for your app. It should be invoked for the proper processing of responses during interaction
+ with the native Facebook app or as part of SSO authorization flow.
+ 
+ @param url The URL as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param sourceApplication The sourceApplication as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @return YES if the url was intended for the Facebook SDK, NO if not.
+ */
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication;
+
+/*!
+ @abstract
+ Call this method from the [UIApplicationDelegate application:openURL:sourceApplication:annotation:] method
+ of the AppDelegate for your app. It should be invoked for the proper processing of responses during interaction
+ with the native Facebook app or as part of SSO authorization flow.
+ 
+ @param url The URL as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param sourceApplication The sourceApplication as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param handler Optional handler that gives the app the opportunity to do some further processing on urls
+ that the SDK could not completely process. A fallback handler is not a requirement for such a url to be considered
+ handled. The fallback handler, if specified, is only ever called sychronously, before the method returns.
+ 
+ @return YES if the url was intended for the Facebook SDK, NO if not.
+ */
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+      fallbackHandler:(FBAppCallHandler)handler;
+
+/*!
+ @abstract
+ Call this method from the [UIApplicationDelegate application:openURL:sourceApplication:annotation:] method
+ of the AppDelegate for your app. It should be invoked for the proper processing of responses during interaction
+ with the native Facebook app or as part of SSO authorization flow.
+ 
+ @param url The URL as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param sourceApplication The sourceApplication as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param session If this url is being sent back to this app as part of SSO authorization flow, then pass in the
+ session that was being opened. A nil value defaults to FBSession.activeSession
+ 
+ @return YES if the url was intended for the Facebook SDK, NO if not.
+ */
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+          withSession:(FBSession *)session;
+
+/*!
+ @abstract
+ Call this method from the [UIApplicationDelegate application:openURL:sourceApplication:annotation:] method
+ of the AppDelegate for your app. It should be invoked for the proper processing of responses during interaction
+ with the native Facebook app or as part of SSO authorization flow.
+ 
+ @param url The URL as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param sourceApplication The sourceApplication as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+ 
+ @param session If this url is being sent back to this app as part of SSO authorization flow, then pass in the
+ session that was being opened. A nil value defaults to FBSession.activeSession
+ 
+ @param handler Optional handler that gives the app the opportunity to do some further processing on urls
+ that the SDK could not completely process. A fallback handler is not a requirement for such a url to be considered
+ handled. The fallback handler, if specified, is only ever called sychronously, before the method returns.
+ 
+ @return YES if the url was intended for the Facebook SDK, NO if not.
+ */
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+          withSession:(FBSession *)session
+      fallbackHandler:(FBAppCallHandler)handler;
+
+/*!
+ @abstract
+ Call this method when the application's applicationDidBecomeActive: is invoked.
+ This ensures proper state management of any pending FBAppCalls or pending login flow for the
+ FBSession.activeSession. If any pending FBAppCalls are found, their registered callbacks
+ will be invoked with appropriate state
+ */
++ (void)handleDidBecomeActive;
+
+/*!
+ @abstract
+ Call this method when the application's applicationDidBecomeActive: is invoked.
+ This ensures proper state management of any pending FBAppCalls or a pending open for the
+ passed in FBSession. If any pending FBAppCalls are found, their registered callbacks will
+ be invoked with appropriate state
+
+ @param session Session that is currently being used. Any pending calls to open will be cancelled.
+ If no session is provided, then the activeSession (if present) is used.
+ */
++ (void)handleDidBecomeActiveWithSession:(FBSession *)session;
+
+/*!
+ @abstract
+ Call this method from the main thread to fetch deferred applink data. This may require
+ a network round trip. If successful, [+UIApplication openURL:] is invoked  with the link
+ data. Otherwise, the fallbackHandler will be dispatched to the main thread.
+ 
+ @param fallbackHandler the handler to be invoked if applink data could not be opened.
+ 
+ @discussion the fallbackHandler may contain an NSError instance to capture any errors. In the
+ common case where there simply was no app link data, the NSError instance will be nil.
+ 
+ This method should only be called from a location that occurs after any launching URL has
+ been processed (e.g., you should call this method from your application delegate's applicationDidBecomeActive:) 
+ to avoid duplicate invocations of openURL:.
+ 
+ If you must call this from the delegate's didFinishLaunchingWithOptions: you should
+ only do so if the application is not being launched by a URL. For example,
+
+    if (launchOptions[UIApplicationLaunchOptionsURLKey] == nil) {
+     [FBAppCall openDeferredAppLink:^(NSError *error) {
+        // ....
+      }
+    }
+*/
++ (void)openDeferredAppLink:(FBAppLinkFallbackHandler)fallbackHandler;
+
+@end
+
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBAppCall.m b/Vendor/facebook-ios-sdk/src/FBAppCall.m
new file mode 100644
index 0000000..3b9860d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppCall.m
@@ -0,0 +1,455 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppCall+Internal.h"
+#import "FBAppBridge.h"
+#import "FBUtility.h"
+#import "FBError.h"
+#import "FBSession+Internal.h"
+#import "FBSessionUtility.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBDialogsData+Internal.h"
+#import "FBAppLinkData+Internal.h"
+#import "FBAppEvents.h"
+#import "FBAppEvents+Internal.h"
+#import "FBGraphObject.h"
+#import "FBRequest.h"
+#import "FBSettings.h"
+#import "FBSettings+Internal.h"
+#import "FBLogger.h"
+
+@interface FBAppCall ()
+
+// Defined as readwrite to only allow this module to set it.
+@property (nonatomic, readwrite, copy) NSString *ID;
+
+// NOTE: These properties are redeclared here (in addition to +Internal.h) to
+// allow the setters to be called by the SDK.
+@property (nonatomic, readwrite, retain) NSError *error;
+@property (nonatomic, readwrite, retain) FBDialogsData *dialogData;
+@property (nonatomic, readwrite, retain) FBAppLinkData *appLinkData;
+@property (nonatomic, readwrite, retain) FBAccessTokenData *accessTokenData;
+
+@end
+
+NSString *const FBLastDeferredAppLink = @"com.facebook.sdk:lastDeferredAppLink%@";
+NSString *const FBDeferredAppLinkEvent = @"DEFERRED_APP_LINK";
+
+@implementation FBAppCall
+
+- (id)init {
+    return [self initWithID:nil enforceScheme:YES appID:nil urlSchemeSuffix:nil];
+}
+
+- (id)init:(BOOL)enforceScheme {
+    return [self initWithID:nil enforceScheme:enforceScheme appID:nil urlSchemeSuffix:nil];
+}
+
+// designated initializer
+- (id)initWithID:(NSString *)ID enforceScheme:(BOOL)enforceScheme appID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix {
+    self = [super init];
+    if (self) {
+        self.ID = ID ?: [[FBUtility newUUIDString] autorelease];
+        
+        if (enforceScheme) {
+            // If the url scheme is not registered, then the Facebook app cannot call
+            // back, and hence this is an invalid call.
+            NSString *defaultUrlScheme = [FBSettings defaultURLSchemeWithAppID:appID urlSchemeSuffix:urlSchemeSuffix];
+            if (![FBUtility isRegisteredURLScheme:defaultUrlScheme]) {
+                [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                                    logEntry:[NSString stringWithFormat:@"Invalid use of FBAppCall, %@ is not registered as a URL Scheme. Did you set '%@' in your plist?", defaultUrlScheme, FBPLISTUrlSchemeSuffixKey]];
+                [self release];
+                return nil;
+            }
+        }
+    }
+    
+    return self;
+}
+
+// internal factory for parsing app links from reengagement ads; i.e., version field = 2.
+// in general, the parameters should consist of the original url followed by the various components to help construct the instance.
++ (FBAppCall *)appCallFromApplinkArgs_v2:(NSURL *)originalURL applinkArgs:(NSDictionary *)applinkArgs createTimeUTC:(NSString *)createTimeUTC originalQueryParameters:(NSDictionary *)originalQueryParameters {
+    FBAppCall *appCall = [[[FBAppCall alloc] init:NO] autorelease];
+    
+    NSMutableDictionary *methodArgs = [NSMutableDictionary dictionaryWithDictionary:applinkArgs[@"method_args"]];
+    if (createTimeUTC) {
+        methodArgs[@"tap_time_utc"] = createTimeUTC;
+    }
+    
+    NSURL *targetURL = [NSURL URLWithString:methodArgs[@"target_url"]];
+    NSArray *refArray = [methodArgs[@"ref"] componentsSeparatedByString:@","];
+    appCall.appLinkData = [[[FBAppLinkData alloc] initWithURL:originalURL targetURL:targetURL ref:refArray originalQueryParameters:originalQueryParameters arguments:methodArgs] autorelease];
+    
+    return appCall;
+}
+
+// Public factory method.
++ (FBAppCall *) appCallFromURL:(NSURL *)url {
+    NSDictionary *queryParams = [FBUtility queryParamsDictionaryFromFBURL:url];
+    NSString *applinkArgsString = queryParams[@"fb_applink_args"];
+    NSString *createTimeUTC = queryParams[@"fb_click_time_utc"];
+    
+    if (applinkArgsString) {
+        
+        NSDictionary *applinkArgs = [FBUtility simpleJSONDecode:applinkArgsString error:nil];
+        int version = [applinkArgs[@"version"] intValue];
+        if (version){
+            if ([applinkArgs[@"bridge_args"][@"method"] isEqualToString:@"applink"]){
+                if (version == 2){
+                    return [FBAppCall appCallFromApplinkArgs_v2:url applinkArgs:applinkArgs createTimeUTC:createTimeUTC originalQueryParameters:queryParams];
+                }
+            }
+        }
+    }
+    
+    // if we get here, we were unable to parse the URL.
+    return nil;   
+}
+
+- (void)dealloc
+{
+    [_ID release];
+    [_error release];
+    [_dialogData release];
+    [_appLinkData release];
+    [_accessTokenData release];
+    
+    [super dealloc];
+}
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p, ID: %@",
+                               NSStringFromClass([self class]),
+                               self,
+                               self.ID];
+    
+    if (self.accessTokenData) {
+        [result appendFormat:@"\n accesstoken: %@", self.accessTokenData];
+    }
+    if (self.appLinkData) {
+        [result appendFormat:@"\n appLinkData: %@", self.appLinkData];
+    }
+    if (self.dialogData) {
+        [result appendFormat:@"\n dialogData: %@", self.dialogData];
+    }
+    
+    [result appendString:@"\n>\n"];
+    return result;
+}
+
+- (BOOL)isEqual:(id)other {
+    if (!other || ![other isKindOfClass:[self class]]) {
+        return NO;
+    }
+    
+    return [self isEqualToAppCall:other];
+}
+
+- (BOOL)isEqualToAppCall:(FBAppCall *)appCall {
+    if (self == appCall) {
+        return YES;
+    }
+    
+    if (![self.ID isEqual:appCall.ID]) {
+        return NO;
+    }
+    
+    return YES;
+}
+
+- (NSUInteger)hash {
+    return [self.ID hash];
+}
+
+- (BOOL)isValid {
+    BOOL valid = (self.ID != nil);
+    if (self.dialogData) {
+        valid &= self.dialogData.isValid;
+    }
+    if (self.appLinkData) {
+        valid &= self.appLinkData.isValid;
+    }
+    return valid;
+}
+
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:sourceApplication
+                        withSession:nil
+                    fallbackHandler:nil];
+}
+
++ (BOOL)handleOpenURL:(NSURL*)url
+    sourceApplication:(NSString *)sourceApplication
+      fallbackHandler:(FBAppCallHandler)handler {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:(NSString *)sourceApplication
+                        withSession:nil
+                    fallbackHandler:handler];
+}
+
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+          withSession:(FBSession *)session {
+    return [FBAppCall handleOpenURL:url
+                  sourceApplication:(NSString *)sourceApplication
+                        withSession:session
+                    fallbackHandler:nil];
+}
+
++ (BOOL)handleOpenURL:(NSURL *)url
+    sourceApplication:(NSString *)sourceApplication
+          withSession:(FBSession *)session
+      fallbackHandler:(FBAppCallHandler)handler{
+    FBSession *workingSession = session ?: FBSession.activeSessionIfExists;
+    
+    // Wrap the fallback handler to intercept login flow for FBSession
+    FBAppCallHandler sessionHandler = ^(FBAppCall *call) {
+        if ([call.dialogData.method isEqualToString:@"auth3"]) {
+            // We are here because whatever FBSession was used to call open() to start the login flow, does not
+            // exist anymore. This is most likely caused by the app shutting down prior to the login flow completing.
+            // If that FBSession was still around, we would NOT be here.
+            // However, we do want to give the fallback handler an opportunity to open a session with the incoming
+            // access token if it exists in the url. Additionally, since FBAppCalls for login flow is internal, we
+            // will want to create a new FBAppCall that just contains the access token and none of the other internal
+            // login data.
+            NSDictionary *results = call.dialogData.results;
+            NSDate *expirationDate = [FBUtility expirationDateFromExpirationUnixTimeString:results[@"expires"]];
+            FBAccessTokenData *accessToken = [FBAccessTokenData createTokenFromString:results[@"access_token"]
+                                                                          permissions:results[@"permissions"]
+                                                                       expirationDate:expirationDate
+                                                                            loginType:FBSessionLoginTypeFacebookApplication
+                                                                          refreshDate:nil];
+            
+            // In some cases, it might be fine to go ahead and open the session anyways.
+            if ([FBAppCall tryOpenSession:workingSession withAccessToken:accessToken]) {
+                return;
+            }
+            
+            // TODO : Add support for receiving app links via the bridge.
+            // In the meantime, any token that did not result in an open session above, will need to be
+            // handed back to the fallback handler.
+            if ([FBAppCall invokeHandler:handler withAccessToken:accessToken appLinkData:nil]) {
+                return;
+            }
+            
+            // So now we couldn't extract an access token from the results either. However, we know for sure
+            // that this is a bridge-login response. So if we have a handler, respond with an error
+            NSError *innerError = [FBSession sdkSurfacedErrorForNativeLoginError:call.error];
+            [FBAppCall invokeHandler:handler
+                           withError:[NSError errorWithDomain:FacebookSDKDomain
+                                                         code:FBErrorLoginFailedOrCancelled
+                                                     userInfo:innerError ? @{FBInnerErrorObjectKey : innerError} : nil]];
+        } else if (handler) {
+            // This isn't login flow, so fall back.
+            handler(call);
+        }
+    };
+    
+    // Call the bridge first to see if this is a bridge response
+    if ([[FBAppBridge sharedInstance] handleOpenURL:url
+                                  sourceApplication:sourceApplication
+                                            session:session
+                                    fallbackHandler:sessionHandler]) {
+        return YES;
+    }
+    
+    // If this is a web login, log the dialog load performance stats
+    NSDictionary *params = [FBUtility queryParamsDictionaryFromFBURL:url];
+    NSString *e2eMetrics = [params objectForKey:@"e2e"];
+    if (e2eMetrics != nil)  {
+        [FBAppEvents logImplicitEvent:FBAppEventNameFBDialogsWebLoginCompleted
+                          valueToSum:nil
+                          parameters:@{
+                            FBAppEventsWebLoginE2E : e2eMetrics,
+                            FBAppEventsWebLoginSwitchbackTime : [NSNumber numberWithDouble:round(1000 * [[NSDate date] timeIntervalSince1970])],
+                            @"app_id" : [FBSettings defaultAppID]
+                          }
+                          session:nil];
+    }
+    
+    // If we are here, it wasn't a bridge response and might be a non-native-login url response
+    if ([workingSession handleOpenURL:url]) {
+        return YES;
+    }
+    
+    // Last option is to see if maybe this has an access token. If yes, defer to handler to decide how to
+    // proceed with the access token.
+    FBAccessTokenData *accessToken = [FBAccessTokenData createTokenFromFacebookURL:url
+                                                                             appID:[FBSettings defaultAppID]
+                                                                   urlSchemeSuffix:[FBSettings defaultUrlSchemeSuffix]];
+    
+    if ([FBSessionUtility isOpenSessionResponseURL:url]) {
+        // If we're here, it's because the session was not specified or was not expecting a token. In some cases,
+        // it might be fine to go ahead and open the session anyways.
+        if ([FBAppCall tryOpenSession:workingSession withAccessToken:accessToken]) {
+            return YES;
+        }
+    }
+    
+    FBAppLinkData *appLinkData = [FBAppLinkData createFromURL:url];
+    if ([FBAppCall invokeHandler:handler withAccessToken:accessToken appLinkData:appLinkData]) {
+        return YES;
+    }
+    
+    // None of the above worked, so bail out.
+    return NO;
+}
+
++ (void)handleDidBecomeActive {
+    [FBAppCall handleDidBecomeActiveWithSession:nil];
+}
+
++ (void)handleDidBecomeActiveWithSession:(FBSession *)session {
+    // If this is a pending native login, the completion handler for the Session will be called
+    // and state will be set appropriately. The next call directly into FBSession will end up
+    // being a no-op.
+    // TODO : Make sure that this happens when native login is supported via FBSession
+    [[FBAppBridge sharedInstance] handleDidBecomeActive];
+    
+    // If the app was shutdown with a pending login, the old session (and its state) is lost
+    // and this next call will end up being a no-op.
+    [session handleDidBecomeActive];
+    
+    // If there isn't an active session, don't bother creating one to just cancel it.
+    // Also, don't call handleDidBecomeActive into the same session twice in a row, since we
+    // are keeping track of call order in FBSession now.
+    if (session != FBSession.activeSessionIfExists) {
+        [FBSession.activeSessionIfExists handleDidBecomeActive];
+    }
+}
+
++ (BOOL)tryOpenSession:(FBSession *)session
+       withAccessToken:(FBAccessTokenData *)accessToken {
+    if (!accessToken) {
+        return NO;
+    }
+    
+    // If a session was not specified at all, then we should be free to create a new active session
+    // if we need to. This allows the app developer to write simple apps without understanding the concept
+    // of FBSession.
+    FBSession *workingSession = session ?: FBSession.activeSession;
+    if (workingSession == FBSession.activeSession &&
+        (workingSession.state == FBSessionStateClosed || workingSession.state == FBSessionStateClosedLoginFailed)) {
+        // If we have a defunct active session, replace it!
+        // NOTE: This should happen very, VERY rarely, since we are essentially seeing a login response url
+        // for, what the app is telling us is a closed Session.
+        FBSession.activeSession = [[[FBSession alloc] init] autorelease];
+        workingSession = FBSession.activeSession;
+    }
+    
+    return [workingSession openFromAccessTokenData:accessToken completionHandler:nil raiseExceptionIfInvalidState:NO];
+}
+
++ (BOOL)invokeHandler:(FBAppCallHandler)handler
+      withAccessToken:(FBAccessTokenData *)accessToken
+          appLinkData:(FBAppLinkData *)appLinkData {
+    if (!accessToken && !appLinkData) {
+        return NO;
+    }
+    
+    if (handler) {
+        FBAppCall *loginCall = [[[FBAppCall alloc] init] autorelease];
+        loginCall.accessTokenData = accessToken;
+        loginCall.appLinkData = appLinkData;
+        
+        handler(loginCall);
+    }
+    
+    return YES;
+}
+
++ (void)invokeHandler:(FBAppCallHandler)handler
+            withError:(NSError *)error {
+    if (handler) {
+        FBAppCall *errorAppCall = [[[FBAppCall alloc] init] autorelease];
+        errorAppCall.error = error;
+        
+        handler(errorAppCall);
+    }
+}
+
++ (void)openDeferredAppLink:(FBAppLinkFallbackHandler)fallbackHandler {
+    NSAssert([NSThread isMainThread], @"FBAppCall openDeferredAppLink: must be invoked from main thread.");
+
+    NSString *appID = [FBSettings defaultAppID];
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    NSString *deferredAppLinkKey = [NSString stringWithFormat:FBLastDeferredAppLink, appID, nil];
+
+    // prevent multiple occurrences from happening.
+    if ([defaults objectForKey:deferredAppLinkKey]) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+          fallbackHandler(nil);
+        });
+        return;
+    }
+  
+    NSMutableDictionary<FBGraphObject> *deferredAppLinkParameters = [FBGraphObject graphObject];
+    [deferredAppLinkParameters setObject:FBDeferredAppLinkEvent forKey:@"event"];
+  
+    NSString *attributionID = [FBUtility attributionID];
+    NSString *advertiserID = [FBUtility advertiserID];
+  
+    if (attributionID) {
+        [deferredAppLinkParameters setObject:attributionID forKey:@"attribution"];
+    }
+  
+    if (advertiserID) {
+        [deferredAppLinkParameters setObject:advertiserID forKey:@"advertiser_id"];
+    }
+  
+    [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:deferredAppLinkParameters];
+  
+    FBRequest *deferredAppLinkRequest = [[[FBRequest alloc] initForPostWithSession:nil
+                                                                         graphPath:[NSString stringWithFormat:@"%@/activities", appID, nil]
+                                                                       graphObject:deferredAppLinkParameters] autorelease];
+  
+    [deferredAppLinkRequest startWithCompletionHandler:^(FBRequestConnection *connection,
+                                                        id result,
+                                                        NSError *error) {
+        if (!error) {
+            // prevent future network requests.
+            [defaults setObject:[NSDate date] forKey:deferredAppLinkKey];
+            [defaults synchronize];
+
+            NSString *appLinkString = result[@"applink_url"];
+            if (appLinkString) {
+                NSURL *applinkURL = [NSURL URLWithString:appLinkString];
+                NSString *createTimeUtc = result[@"click_time"];
+                if (createTimeUtc) {
+                    // append/translate the create_time_utc so it can be later interpreted by FBAppCall construction
+                    NSString *modifiedURLString = [[applinkURL absoluteString]
+                                                   stringByAppendingFormat:@"%@fb_click_time_utc=%@",
+                                                   ([applinkURL query]) ? @"&" : @"?" ,
+                                                   createTimeUtc ];
+                    applinkURL = [NSURL URLWithString:modifiedURLString];
+                }
+                
+                if ([[UIApplication sharedApplication] canOpenURL:applinkURL]){
+                    [[UIApplication sharedApplication] openURL:applinkURL];
+                    return;
+                }
+            }
+        }
+
+        dispatch_async(dispatch_get_main_queue(), ^{
+            fallbackHandler(error);
+        });
+    }];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppEvents+Internal.h b/Vendor/facebook-ios-sdk/src/FBAppEvents+Internal.h
new file mode 100644
index 0000000..1df99b4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppEvents+Internal.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppEvents.h"
+
+@class FBRequest;
+
+// Internally known event names
+
+/*! Use to log that the share dialog was launched */
+extern NSString *const FBAppEventNameShareSheetLaunch;
+
+/*! Use to log that the share dialog was dismissed */
+extern NSString *const FBAppEventNameShareSheetDismiss;
+
+/*! Use to log that the permissions UI was launched */
+extern NSString *const FBAppEventNamePermissionsUILaunch;
+
+/*! Use to log that the permissions UI was dismissed */
+extern NSString *const FBAppEventNamePermissionsUIDismiss;
+
+/*! Use to log that the friend picker was launched and completed */
+extern NSString *const FBAppEventNameFriendPickerUsage;
+
+/*! Use to log that the place picker dialog was launched and completed */
+extern NSString *const FBAppEventNamePlacePickerUsage;
+
+/*! Use to log that the login view was used */
+extern NSString *const FBAppEventNameLoginViewUsage;
+
+/*! Use to log that the user settings view controller was used */
+extern NSString *const FBAppEventNameUserSettingsUsage;
+
+// Internally known event parameters
+
+/*! String parameter specifying the outcome of a dialog invocation */
+extern NSString *const FBAppEventParameterDialogOutcome;
+
+/*! Use to log the result of a call to FBDialogs canPresentShareDialogWithParams: */
+extern NSString *const FBAppEventNameFBDialogsPresentShareDialog;
+
+/*! Use to log the result of a call to FBDialogs canPresentShareDialogWithOpenGraphActionParams: */
+extern NSString *const FBAppEventNameFBDialogsPresentShareDialogOG;
+
+/*! Use to log the start of an auth request that cannot be fulfilled by the token cache */
+extern NSString *const FBAppEventNameFBSessionAuthStart;
+
+/*! Use to log the end of an auth request that was not fulfilled by the token cache */
+extern NSString *const FBAppEventNameFBSessionAuthEnd;
+
+/*! Use to log the start of a specific auth method as part of an auth request */
+extern NSString *const FBAppEventNameFBSessionAuthMethodStart;
+
+/*! Use to log the end of the last tried auth method as part of an auth request */
+extern NSString *const FBAppEventNameFBSessionAuthMethodEnd;
+
+/*! Use to log the timestamp for the transition to the Facebook native login dialog */
+extern NSString *const FBAppEventNameFBDialogsNativeLoginDialogStart;
+
+/*! Use to log the timestamp for the transition back to the app after the Facebook native login dialog */
+extern NSString *const FBAppEventNameFBDialogsNativeLoginDialogEnd;
+
+/*! Use to log the e2e timestamp metrics for web login */
+extern NSString *const FBAppEventNameFBDialogsWebLoginCompleted;
+
+// Internally known event parameter values
+
+extern NSString *const FBAppEventsDialogOutcomeValue_Completed;
+extern NSString *const FBAppEventsDialogOutcomeValue_Cancelled;
+extern NSString *const FBAppEventsDialogOutcomeValue_Failed;
+
+extern NSString *const FBAppEventsNativeLoginDialogStartTime;
+extern NSString *const FBAppEventsNativeLoginDialogEndTime;
+
+extern NSString *const FBAppEventsWebLoginE2E;
+extern NSString *const FBAppEventsWebLoginSwitchbackTime;
+
+typedef enum {
+    FBAppEventsFlushReasonExplicit,
+    FBAppEventsFlushReasonTimer,
+    FBAppEventsFlushReasonSessionChange,
+    FBAppEventsFlushReasonPersistedEvents,
+    FBAppEventsFlushReasonEventThreshold,
+    FBAppEventsFlushReasonEagerlyFlushingEvent
+} FBAppEventsFlushReason;
+
+@interface FBAppEvents (Internal)
+
++ (void)logImplicitEvent:(NSString *)eventName
+              valueToSum:(NSNumber *)valueToSum
+              parameters:(NSDictionary *)parameters
+                 session:(FBSession *)session;
+
++ (FBRequest *)customAudienceThirdPartyIDRequest:(FBSession *)session;
+
+// *** Expose internally for testing/mocking only ***
++ (FBAppEvents *)singleton;
+- (void)handleActivitiesPostCompletion:(NSError *)error
+                          loggingEntry:(NSString *)loggingEntry
+                               session:(FBSession *)session;
+
++ (void)logConversionPixel:(NSString *)pixelID
+              valueOfPixel:(double)value
+                   session:(FBSession *)session;
+
+- (void)instanceFlush:(FBAppEventsFlushReason)flushReason;
+
+// *** end ***
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppEvents.h b/Vendor/facebook-ios-sdk/src/FBAppEvents.h
new file mode 100644
index 0000000..acf8d68
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppEvents.h
@@ -0,0 +1,472 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession.h"
+
+/*!
+ @attribute beta true
+ 
+ @typedef FBAppEventsFlushBehavior enum
+ 
+ @abstract
+ Control when <FBAppEvents> sends log events to the server
+ 
+ @discussion 
+ 
+ */
+typedef enum {
+    
+    /*! Flush automatically: periodically (once a minute or every 100 logged events) and always at app reactivation. */
+    FBAppEventsFlushBehaviorAuto,
+    
+    /*! Only flush when the `flush` method is called. When an app is moved to background/terminated, the
+     events are persisted and re-established at activation, but they will only be written with an
+     explicit call to `flush`. */
+    FBAppEventsFlushBehaviorExplicitOnly,
+    
+} FBAppEventsFlushBehavior;
+
+/*
+ * Constant used by NSNotificationCenter for results of flushing AppEvents event logs
+ */
+
+/*! NSNotificationCenter name indicating a result of a failed log flush attempt */
+extern NSString *const FBAppEventsLoggingResultNotification;
+
+
+// Predefined event names for logging events common to many apps.  Logging occurs through the `logEvent` family of methods on `FBAppEvents`.
+// Common event parameters are provided in the `FBAppEventsParameterNames*` constants.
+
+// General purpose
+
+/*! Log this event when an app is being activated, typically in the AppDelegate's applicationDidBecomeActive. */
+extern NSString *const FBAppEventNameActivatedApp;
+
+/*! Log this event when a user has completed registration with the app. */
+extern NSString *const FBAppEventNameCompletedRegistration;
+
+/*! Log this event when a user has viewed a form of content in the app. */
+extern NSString *const FBAppEventNameViewedContent;
+
+/*! Log this event when a user has performed a search within the app. */
+extern NSString *const FBAppEventNameSearched;
+
+/*! Log this event when the user has rated an item in the app.  The valueToSum passed to logEvent should be the numeric rating. */
+extern NSString *const FBAppEventNameRated;
+
+/*! Log this event when the user has completed a tutorial in the app. */
+extern NSString *const FBAppEventNameCompletedTutorial;
+
+// Ecommerce related
+
+/*! Log this event when the user has added an item to their cart.  The valueToSum passed to logEvent should be the item's price. */
+extern NSString *const FBAppEventNameAddedToCart;
+
+/*! Log this event when the user has added an item to their wishlist.  The valueToSum passed to logEvent should be the item's price. */
+extern NSString *const FBAppEventNameAddedToWishlist;
+
+/*! Log this event when the user has entered the checkout process.  The valueToSum passed to logEvent should be the total price in the cart. */
+extern NSString *const FBAppEventNameInitiatedCheckout;
+
+/*! Log this event when the user has entered their payment info. */
+extern NSString *const FBAppEventNameAddedPaymentInfo;
+
+/*! Log this event when the user has completed a purchase.  The `[FBAppEvents logPurchase]` method is a shortcut for logging this event. */
+extern NSString *const FBAppEventNamePurchased;
+
+// Gaming related
+
+/*! Log this event when the user has achieved a level in the app. */
+extern NSString *const FBAppEventNameAchievedLevel;
+
+/*! Log this event when the user has unlocked an achievement in the app. */
+extern NSString *const FBAppEventNameUnlockedAchievement;
+
+/*! Log this event when the user has spent app credits.  The valueToSum passed to logEvent should be the number of credits spent. */
+extern NSString *const FBAppEventNameSpentCredits;
+
+
+
+// Predefined event name parameters for common additional information to accompany events logged through the `logEvent` family
+// of methods on `FBAppEvents`.  Common event names are provided in the `FBAppEventName*` constants.
+
+/*! Parameter key used to specify currency used with logged event.  E.g. "USD", "EUR", "GBP".  See ISO-4217 for specific values.  One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>. */
+extern NSString *const FBAppEventParameterNameCurrency;
+
+/*! Parameter key used to specify method user has used to register for the app, e.g., "Facebook", "email", "Twitter", etc */
+extern NSString *const FBAppEventParameterNameRegistrationMethod;
+
+/*! Parameter key used to specify a generic content type/family for the logged event, e.g. "music", "photo", "video".  Options to use will vary based upon what the app is all about. */
+extern NSString *const FBAppEventParameterNameContentType;
+
+/*! Parameter key used to specify an ID for the specific piece of content being logged about.  Could be an EAN, article identifier, etc., depending on the nature of the app. */
+extern NSString *const FBAppEventParameterNameContentID;
+
+/*! Parameter key used to specify the string provided by the user for a search operation. */
+extern NSString *const FBAppEventParameterNameSearchString;
+
+/*! Parameter key used to specify whether the activity being logged about was successful or not.  `FBAppEventParameterValueYes` and `FBAppEventParameterValueNo` are good canonical values to use for this parameter. */
+extern NSString *const FBAppEventParameterNameSuccess;
+
+/*! Parameter key used to specify the maximum rating available for the `FBAppEventNameRate` event.  E.g., "5" or "10". */
+extern NSString *const FBAppEventParameterNameMaxRatingValue;
+
+/*! Parameter key used to specify whether payment info is available for the `FBAppEventNameInitiatedCheckout` event.  `FBAppEventParameterValueYes` and `FBAppEventParameterValueNo` are good canonical values to use for this parameter. */
+extern NSString *const FBAppEventParameterNamePaymentInfoAvailable;
+
+/*! Parameter key used to specify how many items are being processed for an `FBAppEventNameInitiatedCheckout` or `FBAppEventNamePurchased` event. */
+extern NSString *const FBAppEventParameterNameNumItems;
+
+/*! Parameter key used to specify the level achieved in a `FBAppEventNameAchieved` event. */
+extern NSString *const FBAppEventParameterNameLevel;
+
+/*! Parameter key used to specify a description appropriate to the event being logged.  E.g., the name of the achievement unlocked in the `FBAppEventNameAchievementUnlocked` event. */
+extern NSString *const FBAppEventParameterNameDescription;
+
+
+
+// Predefined values to assign to event parameters that accompany events logged through the `logEvent` family
+// of methods on `FBAppEvents`.  Common event parameters are provided in the `FBAppEventParameterName*` constants.
+
+/*! Yes-valued parameter value to be used with parameter keys that need a Yes/No value */
+extern NSString *const FBAppEventParameterValueYes;
+
+/*! No-valued parameter value to be used with parameter keys that need a Yes/No value */
+extern NSString *const FBAppEventParameterValueNo;
+
+
+/*!
+ @attribute beta true
+ 
+ @class FBAppEvents
+ 
+ @abstract
+ Client-side event logging for specialized application analytics available through Facebook App Insights
+ and for use with Facebook Ads conversion tracking and optimization.
+ 
+ @discussion
+ The `FBAppEvents` static class has a few related roles:
+ 
+ + Logging predefined and application-defined events to Facebook App Insights with a
+ numeric value to sum across a large number of events, and an optional set of key/value
+ parameters that define "segments" for this event (e.g., 'purchaserStatus' : 'frequent', or
+ 'gamerLevel' : 'intermediate')
+ 
+ + Logging events to later be used for ads optimization around lifetime value.
+ 
+ + Methods that control the way in which events are flushed out to the Facebook servers.
+ 
+ Here are some important characteristics of the logging mechanism provided by `FBAppEvents`:
+ 
+ + Events are not sent immediately when logged.  They're cached and flushed out to the Facebook servers
+   in a number of situations:
+   - when an event count threshold is passed (currently 100 logged events).
+   - when a time threshold is passed (currently 60 seconds).
+   - when an app has gone to background and is then brought back to the foreground.
+ 
+ + Events will be accumulated when the app is in a disconnected state, and sent when the connection is
+   restored and one of the above 'flush' conditions are met.
+ 
+ + The `FBAppEvents` class in thread-safe in that events may be logged from any of the app's threads.
+ 
+ + The developer can set the `flushBehavior` on `FBAppEvents` to force the flushing of events to only
+ occur on an explicit call to the `flush` method.
+ 
+ + The developer can turn on console debug output for event logging and flushing to the server by using 
+ the `FBLoggingBehaviorAppEvents` value in `[FBSettings setLoggingBehavior:]`.
+ 
+ Some things to note when logging events:
+ 
+ + There is a limit on the number of unique event names an app can use, on the order of 300.
+ + There is a limit to the number of unique parameter names in the provided parameters that can
+ be used per event, on the order of 10.  This is not just for an individual call, but for all
+ invocations for that eventName.
+ + Event names and parameter names (the keys in the NSDictionary) must be between 2 and 40 characters, and
+ must consist of alphanumeric characters, _, -, or spaces.
+ + The length of each parameter value can be no more than on the order of 100 characters.
+ 
+ */
+@interface FBAppEvents : NSObject
+
+/*
+ * Basic event logging
+ */
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log an event with just an eventName.
+ 
+ @param eventName   The name of the event to record.  Limitations on number of events and name length
+ are given in the `FBAppEvents` documentation.
+ 
+ */
++ (void)logEvent:(NSString *)eventName;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log an event with an eventName and a numeric value to be aggregated with other events of this name.
+ 
+ @param eventName   The name of the event to record.  Limitations on number of events and name length
+ are given in the `FBAppEvents` documentation.  Common event names are provided in `FBAppEventName*` constants.
+ 
+ @param valueToSum  Amount to be aggregated into all events of this eventName, and App Insights will report
+ the cumulative and average value of this amount.
+ */
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(double)valueToSum;
+
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log an event with an eventName and a set of key/value pairs in the parameters dictionary.
+ Parameter limitations are described above.
+ 
+ @param eventName   The name of the event to record.  Limitations on number of events and name construction
+ are given in the `FBAppEvents` documentation.  Common event names are provided in `FBAppEventName*` constants.
+ 
+ @param parameters  Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
+ be NSString's, and the values are expected to be NSString or NSNumber.  Limitations on the number of
+ parameters and name construction are given in the `FBAppEvents` documentation.  Commonly used parameter names
+ are provided in `FBAppEventParameterName*` constants.
+ */
++ (void)logEvent:(NSString *)eventName
+      parameters:(NSDictionary *)parameters;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log an event with an eventName, a numeric value to be aggregated with other events of this name,
+ and a set of key/value pairs in the parameters dictionary.
+ 
+ @param eventName   The name of the event to record.  Limitations on number of events and name construction
+ are given in the `FBAppEvents` documentation.  Common event names are provided in `FBAppEventName*` constants.
+ 
+ @param valueToSum  Amount to be aggregated into all events of this eventName, and App Insights will report
+ the cumulative and average value of this amount.
+ 
+ @param parameters  Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
+ be NSString's, and the values are expected to be NSString or NSNumber.  Limitations on the number of
+ parameters and name construction are given in the `FBAppEvents` documentation.  Commonly used parameter names
+ are provided in `FBAppEventParameterName*` constants.
+ 
+ */
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(double)valueToSum
+      parameters:(NSDictionary *)parameters;
+
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log an event with an eventName, a numeric value to be aggregated with other events of this name,
+ and a set of key/value pairs in the parameters dictionary.  Providing session lets the developer
+ target a particular <FBSession>.  If nil is provided, then `[FBSession activeSession]` will be used.
+ 
+ @param eventName   The name of the event to record.  Limitations on number of events and name construction
+ are given in the `FBAppEvents` documentation.  Common event names are provided in `FBAppEventName*` constants.
+ 
+ @param valueToSum  Amount to be aggregated into all events of this eventName, and App Insights will report
+ the cumulative and average value of this amount.  Note that this is an NSNumber, and a value of `nil` denotes
+ that this event doesn't have a value associated with it for summation.
+ 
+ @param parameters  Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
+ be NSString's, and the values are expected to be NSString or NSNumber.  Limitations on the number of
+ parameters and name construction are given in the `FBAppEvents` documentation.  Commonly used parameter names
+ are provided in `FBAppEventParameterName*` constants.
+ 
+ @param session     <FBSession> to direct the event logging to, and thus be logged with whatever user (if any)
+ is associated with that <FBSession>.
+ */
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(NSNumber *)valueToSum
+      parameters:(NSDictionary *)parameters
+         session:(FBSession *)session;
+
+
+/* 
+ * Purchase logging 
+ */
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log a purchase of the specified amount, in the specified currency.  
+ 
+ @param purchaseAmount    Purchase amount to be logged, as expressed in the specified currency.  This value
+                          will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
+ 
+ @param currency          Currency, is denoted as, e.g. "USD", "EUR", "GBP".  See ISO-4217 for
+ specific values.  One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
+ 
+ @discussion              This event immediately triggers a flush of the `FBAppEvents` event queue, unless the `flushBehavior` is set 
+ to `FBAppEventsFlushBehaviorExplicitOnly`.
+ 
+ */
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log a purchase of the specified amount, in the specified currency, also providing a set of 
+ additional characteristics describing the purchase.
+ 
+ @param purchaseAmount  Purchase amount to be logged, as expressed in the specified currency.This value
+                        will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
+ 
+ @param currency        Currency, is denoted as, e.g. "USD", "EUR", "GBP".  See ISO-4217 for
+ specific values.  One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
+ 
+ @param parameters      Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
+ be NSString's, and the values are expected to be NSString or NSNumber.  Limitations on the number of
+ parameters and name construction are given in the `FBAppEvents` documentation.  Commonly used parameter names
+ are provided in `FBAppEventParameterName*` constants.
+ 
+ @discussion              This event immediately triggers a flush of the `FBAppEvents` event queue, unless the `flushBehavior` is set
+ to `FBAppEventsFlushBehaviorExplicitOnly`.
+
+ */
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency
+         parameters:(NSDictionary *)parameters;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Log a purchase of the specified amount, in the specified currency, also providing a set of
+ additional characteristics describing the purchase, as well as an <FBSession> to log to.
+ 
+ @param purchaseAmount  Purchase amount to be logged, as expressed in the specified currency.This value
+                        will be rounded to the thousandths place (e.g., 12.34567 becomes 12.346).
+ 
+ @param currency        Currency, is denoted as, e.g. "USD", "EUR", "GBP".  See ISO-4217 for
+ specific values.  One reference for these is <http://en.wikipedia.org/wiki/ISO_4217>.
+ 
+ @param parameters      Arbitrary parameter dictionary of characteristics. The keys to this dictionary must
+ be NSString's, and the values are expected to be NSString or NSNumber.  Limitations on the number of
+ parameters and name construction are given in the `FBAppEvents` documentation.  Commonly used parameter names
+ are provided in `FBAppEventParameterName*` constants.
+ 
+ @param session         <FBSession> to direct the event logging to, and thus be logged with whatever user (if any)
+ is associated with that <FBSession>.  A value of `nil` will use `[FBSession activeSession]`.
+ 
+ @discussion            This event immediately triggers a flush of the `FBAppEvents` event queue, unless the `flushBehavior` is set
+ to `FBAppEventsFlushBehaviorExplicitOnly`.
+ 
+ */
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency
+         parameters:(NSDictionary *)parameters
+            session:(FBSession *)session;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract   
+ Gets whether events sent to Facebook should be restricted from being used for other than analytics and conversions.  Defaults to NO.  This value is stored on the device and persists across app launches.
+ */
++ (BOOL)limitEventUsage;
+
+/*!
+ @method
+ 
+ @abstract
+ Sets whether events sent to Facebook should be restricted from being used for other than analytics and conversions.  Defaults to NO.  This value is stored on the device and persists across app launches.
+ 
+ @param limitEventUsage   The desired value.
+ */
++ (void)setLimitEventUsage:(BOOL)limitEventUsage;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Notifies the events system that the app has launched & logs an activatedApp event.  Should typically be placed in the app delegates' `applicationDidBecomeActive:` method.
+ */
++ (void)activateApp;
+
+/*
+ * Control over event batching/flushing
+ */
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Get the current event flushing behavior specifying when events are sent back to Facebook servers.
+ */
++ (FBAppEventsFlushBehavior)flushBehavior;
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Set the current event flushing behavior specifying when events are sent back to Facebook servers.
+ 
+ @param flushBehavior   The desired `FBAppEventsFlushBehavior` to be used.
+ */
++ (void)setFlushBehavior:(FBAppEventsFlushBehavior)flushBehavior;
+
+
+/*!
+ @attribute beta true
+ 
+ @method
+ 
+ @abstract
+ Explicitly kick off flushing of events to Facebook.  This is an asynchronous method, but it does initiate an immediate
+ kick off.  Server failures will be reported through the NotificationCenter with notification ID `FBAppEventsLoggingResultNotification`.
+ */
++ (void)flush;
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppEvents.m b/Vendor/facebook-ios-sdk/src/FBAppEvents.m
new file mode 100644
index 0000000..f52a519
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppEvents.m
@@ -0,0 +1,1192 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIApplication.h>
+#import "FBAppEvents.h"
+#import "FBAppEvents+Internal.h"
+#import "FBError.h"
+#import "FBLogger.h"
+#import "FBRequest+Internal.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAppEventsState.h"
+#import "FBSessionManualTokenCachingStrategy.h"
+#import "FBSettings.h"
+#import "FBUtility.h"
+
+//
+// Public event names
+//
+
+// General purpose
+NSString *const FBAppEventNameActivatedApp            = @"fb_mobile_activate_app";
+NSString *const FBAppEventNameCompletedRegistration   = @"fb_mobile_complete_registration";
+NSString *const FBAppEventNameViewedContent           = @"fb_mobile_content_view";
+NSString *const FBAppEventNameSearched                = @"fb_mobile_search";
+NSString *const FBAppEventNameRated                   = @"fb_mobile_rate";
+NSString *const FBAppEventNameCompletedTutorial       = @"fb_mobile_tutorial_completion";
+
+// Ecommerce related
+NSString *const FBAppEventNameAddedToCart             = @"fb_mobile_add_to_cart";
+NSString *const FBAppEventNameAddedToWishlist         = @"fb_mobile_add_to_wishlist";
+NSString *const FBAppEventNameInitiatedCheckout       = @"fb_mobile_initiated_checkout";
+NSString *const FBAppEventNameAddedPaymentInfo        = @"fb_mobile_add_payment_info";
+NSString *const FBAppEventNamePurchased               = @"fb_mobile_purchase";
+
+// Gaming related
+NSString *const FBAppEventNameAchievedLevel           = @"fb_mobile_level_achieved";
+NSString *const FBAppEventNameUnlockedAchievement     = @"fb_mobile_achievement_unlocked";
+NSString *const FBAppEventNameSpentCredits            = @"fb_mobile_spent_credits";
+
+//
+// Public event parameter names
+//
+
+NSString *const FBAppEventParameterNameCurrency               = @"fb_currency";
+NSString *const FBAppEventParameterNameRegistrationMethod     = @"fb_registration_method";
+NSString *const FBAppEventParameterNameContentType            = @"fb_content_type";
+NSString *const FBAppEventParameterNameContentID              = @"fb_content_id";
+NSString *const FBAppEventParameterNameSearchString           = @"fb_search_string";
+NSString *const FBAppEventParameterNameSuccess                = @"fb_success";
+NSString *const FBAppEventParameterNameMaxRatingValue         = @"fb_max_rating_value";
+NSString *const FBAppEventParameterNamePaymentInfoAvailable   = @"fb_payment_info_available";
+NSString *const FBAppEventParameterNameNumItems               = @"fb_num_items";
+NSString *const FBAppEventParameterNameLevel                  = @"fb_level";
+NSString *const FBAppEventParameterNameDescription            = @"fb_description";
+
+//
+// Public event parameter values
+//
+
+NSString *const FBAppEventParameterValueNo                    = @"0";
+NSString *const FBAppEventParameterValueYes                   = @"1";
+
+//
+// Event names internal to this file
+//
+
+NSString *const FBAppEventNameLogConversionPixel               = @"fb_log_offsite_pixel";
+NSString *const FBAppEventNameFriendPickerUsage                = @"fb_friend_picker_usage";
+NSString *const FBAppEventNamePlacePickerUsage                 = @"fb_place_picker_usage";
+NSString *const FBAppEventNameLoginViewUsage                   = @"fb_login_view_usage";
+NSString *const FBAppEventNameUserSettingsUsage                = @"fb_user_settings_vc_usage";
+NSString *const FBAppEventNameShareSheetLaunch                 = @"fb_share_sheet_launch";
+NSString *const FBAppEventNameShareSheetDismiss                = @"fb_share_sheet_dismiss";
+NSString *const FBAppEventNamePermissionsUILaunch              = @"fb_permissions_ui_launch";
+NSString *const FBAppEventNamePermissionsUIDismiss             = @"fb_permissions_ui_dismiss";
+NSString *const FBAppEventNameFBDialogsPresentShareDialog   = @"fb_dialogs_present_share";
+NSString *const FBAppEventNameFBDialogsPresentShareDialogOG = @"fb_dialogs_present_share_og";
+
+
+NSString *const FBAppEventNameFBDialogsNativeLoginDialogStart  = @"fb_dialogs_native_login_dialog_start";
+NSString *const FBAppEventsNativeLoginDialogStartTime          = @"fb_native_login_dialog_start_time";
+
+NSString *const FBAppEventNameFBDialogsNativeLoginDialogEnd    = @"fb_dialogs_native_login_dialog_end";
+NSString *const FBAppEventsNativeLoginDialogEndTime            = @"fb_native_login_dialog_end_time";
+
+NSString *const FBAppEventNameFBDialogsWebLoginCompleted       = @"fb_dialogs_web_login_dialog_complete";
+NSString *const FBAppEventsWebLoginE2E                         = @"fb_web_login_e2e";
+NSString *const FBAppEventsWebLoginSwitchbackTime              = @"fb_web_login_switchback_time";
+
+NSString *const FBAppEventNameFBSessionAuthStart               = @"fb_mobile_login_start";
+NSString *const FBAppEventNameFBSessionAuthEnd                 = @"fb_mobile_login_complete";
+NSString *const FBAppEventNameFBSessionAuthMethodStart         = @"fb_mobile_login_method_start";
+NSString *const FBAppEventNameFBSessionAuthMethodEnd           = @"fb_mobile_login_method_complete";
+
+// Event Parameters internal to this file
+NSString *const FBAppEventParameterConversionPixelID           = @"fb_offsite_pixel_id";
+NSString *const FBAppEventParameterConversionPixelValue        = @"fb_offsite_pixel_value";
+NSString *const FBAppEventParameterDialogOutcome               = @"fb_dialog_outcome";
+
+// Event parameter values internal to this file
+NSString *const FBAppEventsDialogOutcomeValue_Completed = @"Completed";
+NSString *const FBAppEventsDialogOutcomeValue_Cancelled = @"Cancelled";
+NSString *const FBAppEventsDialogOutcomeValue_Failed    = @"Failed";
+
+
+NSString *const FBAppEventsLoggingResultNotification = @"com.facebook.sdk:FBAppEventsLoggingResultNotification";
+NSString *const FBAppEventsLimitEventUsage = @"com.facebook.sdk:FBAppEventsLimitEventUsage";
+NSString *const FBAppEventsActivateAppFlush = @"com.facebook.sdk:FBAppEventsActivateAppFlush%@";
+
+@interface FBAppEvents ()
+
+#pragma mark - typedefs
+
+typedef enum {
+    AppSupportsAttributionUnknown,
+    AppSupportsAttributionQueryInFlight,
+    AppSupportsAttributionTrue,
+    AppSupportsAttributionFalse,
+} AppSupportsAttributionStatus;
+
+@property (readwrite, atomic)         FBAppEventsFlushBehavior     flushBehavior;
+@property (readwrite, atomic)         BOOL                         haveOutstandingPersistedData;
+@property (readwrite, atomic, retain) FBSession                   *lastSessionLoggedTo;
+@property (readwrite, atomic, retain) FBSession                   *anonymousSession;
+@property (readwrite, atomic, retain) NSTimer                     *flushTimer;
+@property (readwrite, atomic, retain) NSTimer                     *attributionIDRecheckTimer;
+@property (readwrite, atomic)         AppSupportsAttributionStatus appSupportsAttributionStatus;
+@property (readwrite, atomic)         BOOL                         appSupportsImplicitLogging;
+@property (readwrite, atomic)         BOOL                         haveFetchedAppSettings;
+@property (readwrite, atomic, retain) NSRegularExpression         *eventNameRegex;
+@property (readwrite, atomic, retain) NSMutableSet                *validatedIdentifiers;
+
+// Dictionary from appIDs to ClientToken-based app-authenticated session for that appID.
+@property (readwrite, atomic, retain) NSMutableDictionary         *appAuthSessions;
+
+
+@end
+
+@implementation FBAppEvents
+
+NSString *const FBAppEventsPersistedEventsFilename   = @"com-facebook-sdk-AppEventsPersistedEvents.json";
+
+NSString *const FBAppEventsPersistKeyNumSkipped      = @"numSkipped";
+NSString *const FBAppEventsPersistKeyEvents          = @"events";
+
+
+#pragma mark - Constants
+
+const int NUM_LOG_EVENTS_TO_TRY_TO_FLUSH_AFTER       = 100;
+const int FLUSH_PERIOD_IN_SECONDS                    = 60;
+const int APP_SUPPORTS_ATTRIBUTION_ID_RECHECK_PERIOD = 60 * 60 * 24;
+const int MAX_IDENTIFIER_LENGTH                      = 40;
+
+
+
+@synthesize
+    flushBehavior = _flushBehavior,
+    haveOutstandingPersistedData = _haveOutstandingPersistedData,
+    lastSessionLoggedTo = _lastSessionLoggedTo,
+    anonymousSession = _anonymousSession,
+    appAuthSessions = _appAuthSessions,
+    flushTimer = _flushTimer,
+    attributionIDRecheckTimer = _attributionIDRecheckTimer,
+    appSupportsAttributionStatus = _appSupportsAttributionStatus,
+    appSupportsImplicitLogging = _appSupportsImplicitLogging,
+    haveFetchedAppSettings = _haveFetchedAppSettings,
+    eventNameRegex = _eventNameRegex,
+    validatedIdentifiers = _validatedIdentifiers;
+
+#pragma mark - logEvent variants
+
+/*
+ * Event logging
+ */
++ (void)logEvent:(NSString *)eventName {
+    [FBAppEvents logEvent:eventName
+              parameters:nil];
+}
+
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(double)valueToSum {
+    [FBAppEvents logEvent:eventName
+              valueToSum:valueToSum
+              parameters:nil];
+}
+
++ (void)logEvent:(NSString *)eventName
+      parameters:(NSDictionary *)parameters {
+    [FBAppEvents logEvent:eventName
+              valueToSum:nil
+              parameters:parameters
+                 session:nil];
+}
+
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(double)valueToSum
+      parameters:(NSDictionary *)parameters {
+    [FBAppEvents logEvent:eventName
+              valueToSum:[NSNumber numberWithDouble:valueToSum]
+              parameters:parameters
+                 session:nil];
+}
+
++ (void)logEvent:(NSString *)eventName
+      valueToSum:(NSNumber *)valueToSum
+      parameters:(NSDictionary *)parameters
+         session:(FBSession *)session {
+    [FBAppEvents.singleton instanceLogEvent:eventName
+                                valueToSum:valueToSum
+                                parameters:parameters
+                        isImplicitlyLogged:NO
+                                   session:session];
+}
+
+
++ (void)logImplicitEvent:(NSString *)eventName
+              valueToSum:(NSNumber *)valueToSum
+              parameters:(NSDictionary *)parameters
+                 session:(FBSession *)session {
+
+    [FBAppEvents.singleton instanceLogEvent:eventName
+                                valueToSum:valueToSum
+                                parameters:parameters
+                        isImplicitlyLogged:YES
+                                   session:session];
+}
+
+#pragma mark - logPurchase variants
+
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency {
+    [FBAppEvents logPurchase:purchaseAmount
+                    currency:currency
+                  parameters:nil];
+}
+
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency
+         parameters:(NSDictionary *)parameters {
+    [FBAppEvents logPurchase:purchaseAmount
+                    currency:currency
+                  parameters:parameters
+                     session:nil];
+    
+}
+
++ (void)logPurchase:(double)purchaseAmount
+           currency:(NSString *)currency
+         parameters:(NSDictionary *)parameters
+            session:(FBSession *)session {
+    
+    // A purchase event is just a regular logged event with a given event name
+    // and treating the currency value as going into the parameters dictionary.
+    
+    NSDictionary *newParameters;
+    if (!parameters) {
+        newParameters = @{ FBAppEventParameterNameCurrency : currency };
+    } else {
+        newParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];
+        [newParameters setValue:currency forKey:FBAppEventParameterNameCurrency];
+    }
+
+    [FBAppEvents logEvent:FBAppEventNamePurchased
+              valueToSum:[NSNumber numberWithDouble:purchaseAmount]
+              parameters:newParameters
+                 session:session];
+    
+    // Unless the behavior is set to only allow explicit flushing, we go ahead and flush, since purchase events
+    // are relatively rare and relatively high value and worth getting across on wire right away.
+    if ([FBAppEvents flushBehavior] != FBAppEventsFlushBehaviorExplicitOnly) {
+        [FBAppEvents.singleton instanceFlush:FBAppEventsFlushReasonEagerlyFlushingEvent];
+    }
+    
+}
+
+#pragma mark - Conversion Pixels
+
+// Deprecated... only accessed through FBInsights
++ (void)logConversionPixel:(NSString *)pixelID
+              valueOfPixel:(double)value
+                   session:(FBSession *)session {
+    
+    // This method exists to allow a single API to be invoked to log a conversion pixel from a native mobile app
+    // (and thus readily included in a snippet).  It logs the event with known event name and parameter names.
+    // Unless the behavior is set to only allow explicit flushing, we go ahead and flush, since pixel firings 
+    // are relatively rare and relatively high value and worth getting across on wire right away.
+    
+    if (!pixelID) {
+        [FBAppEvents logAndNotify:@"Conversion Pixel ID cannot be nil"];
+        return;
+    }
+    
+    [FBAppEvents logEvent:FBAppEventNameLogConversionPixel
+              valueToSum:[NSNumber numberWithDouble:value]
+              parameters:@{ FBAppEventParameterConversionPixelID : pixelID,
+                            FBAppEventParameterConversionPixelValue : [NSNumber numberWithDouble:value] }
+                 session:session];
+    
+    if ([FBAppEvents flushBehavior] != FBAppEventsFlushBehaviorExplicitOnly) {
+        [FBAppEvents.singleton instanceFlush:FBAppEventsFlushReasonEagerlyFlushingEvent];
+    }
+}
+
+#pragma mark - Event usage
+
++ (BOOL)limitEventUsage {
+    NSNumber *storedValue = [[NSUserDefaults standardUserDefaults] objectForKey:FBAppEventsLimitEventUsage];
+    if (storedValue == nil) {
+        return NO;
+    }
+    return storedValue.boolValue;
+}
+
++ (void)setLimitEventUsage:(BOOL)limitEventUsage {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setObject:[NSNumber numberWithBool:limitEventUsage] forKey:FBAppEventsLimitEventUsage];
+    [defaults synchronize];
+}
+
++ (void)activateApp {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+    // activateApp supercedes publishInstall in the public API, but we need to
+    // trigger an install event as before.
+    [FBSettings publishInstall:nil];
+#pragma clang diagnostic pop
+  
+    [FBAppEvents logEvent:FBAppEventNameActivatedApp];
+}
+
+#pragma mark - Flushing & Session Management
+
++ (FBAppEventsFlushBehavior)flushBehavior {
+    return FBAppEvents.singleton.flushBehavior;
+}
+
++ (void)setFlushBehavior:(FBAppEventsFlushBehavior)flushBehavior {
+    FBAppEvents.singleton.flushBehavior = flushBehavior;
+}
+
++ (void)flush {
+    [FBAppEvents.singleton instanceFlush:FBAppEventsFlushReasonExplicit];
+}
+
+#pragma mark - Private Methods
+
+
++ (FBAppEvents *)singleton {
+    static dispatch_once_t pred;
+    static FBAppEvents *shared = nil;
+    
+    dispatch_once(&pred, ^{
+        shared = [[FBAppEvents alloc] init];
+    });
+    return shared;
+}
+
+
+/**
+ *
+ * Multithreading Principles
+ *
+ * Logging events may be invoked from any thread.  The FBSession-specific logging data structures
+ * will be locked before being updated.  Flushes, be they invoked explicitly or implicitly, will be
+ * dispatched to the main thread.
+ *
+ * FBSessionAppEventsState is a chunk of state that hangs off of FBSession and holds event state
+ * destined for that session.
+ *
+ * That FBSessionAppEventsState instance itself is used as the synchronization object for most logging
+ * state.  For multi-thread accessed global state, we synchronize mostly on the FBAppEvents singleton object.
+ *
+ * The other singleton state is intended to be accessed from the main thread only (though certain ones, like
+ * flushBehavior, are innocuous enough that it doesn't matter).
+ *
+ * Every method here that is expected to be called from the main thread should have
+ * [FBAppEvents ensureOnMainThread] at its top.  This just does an FBConditionalLog if it's not the main thread,
+ * but indicates a clear logic error in how this is being used when that occurs.
+ */
+
+
+- (FBAppEvents *)init {
+    self = [super init];
+    if (self) {
+        // Default haveOutstandingPersistedData to YES in case the app was killed before it could upload data
+        // This will still require a session and a call to logEvent at some point to set that session up
+        self.haveOutstandingPersistedData = YES;
+        self.flushBehavior = FBAppEventsFlushBehaviorAuto;
+        self.appSupportsAttributionStatus = AppSupportsAttributionUnknown;
+
+        self.appAuthSessions = [[[NSMutableDictionary alloc] init] autorelease];
+        
+        // Timer fires unconditionally on a regular interval... handler decides whether to call flush.
+        self.flushTimer = [NSTimer scheduledTimerWithTimeInterval:FLUSH_PERIOD_IN_SECONDS
+                                                           target:self
+                                                         selector:@selector(flushTimerFired:)
+                                                         userInfo:nil
+                                                          repeats:YES];
+        
+        self.attributionIDRecheckTimer = [NSTimer scheduledTimerWithTimeInterval:APP_SUPPORTS_ATTRIBUTION_ID_RECHECK_PERIOD
+                                                                          target:self
+                                                                        selector:@selector(attributionIDRecheckTimerFired:)
+                                                                        userInfo:nil
+                                                                         repeats:YES];
+        
+        // Register an observer to watch for app moving out of the active state, which we use
+        // to signal a flush.  Since this is static, we don't unregister anywhere.
+        [[NSNotificationCenter defaultCenter]
+         addObserver:self
+         selector:@selector(applicationMovingFromActiveState)
+         name:UIApplicationWillResignActiveNotification
+         object:NULL];
+        
+        // Register for app termination, where we'll persist unsent events.
+        [[NSNotificationCenter defaultCenter]
+         addObserver:self
+         selector:@selector(applicationTerminating)
+         name:UIApplicationWillTerminateNotification
+         object:NULL];
+        
+        // And register for app activation, where we'll set up persisted events to be set.
+        [[NSNotificationCenter defaultCenter]
+         addObserver:self
+         selector:@selector(applicationDidBecomeActive)
+         name:UIApplicationDidBecomeActiveNotification
+         object:NULL];
+    }
+    
+    return self;
+}
+
+// Note: not implementing dealloc() here, as this is used as a singleton and is never expected to be released.
+
+- (BOOL)validateIdentifier:(NSString *)identifier {
+    
+    if (identifier == nil || identifier.length == 0 || identifier.length > MAX_IDENTIFIER_LENGTH || ![self regexValidateIdentifier:identifier]) {
+        [FBAppEvents logAndNotify:[NSString stringWithFormat:@"Invalid identifier: '%@'.  Must be between 1 and %d characters, and must be contain only alphanumerics, _, - or spaces, starting with alphanumeric or _.",
+                                  identifier, MAX_IDENTIFIER_LENGTH]];
+        return NO;
+    }
+    
+    return YES;
+}
+
+- (BOOL)regexValidateIdentifier:(NSString *)identifier {
+    
+    if (!self.eventNameRegex) {
+        
+        // Event name must only have 0-9A-Za-z, underscore, hyphen, and space (but no hyphen or space in the first position).
+        NSString *regex = @"^[0-9a-zA-Z_]+[0-9a-zA-Z _-]*$";
+        
+        NSError *regexError;
+        self.eventNameRegex = [NSRegularExpression regularExpressionWithPattern:regex
+                                                                        options:nil
+                                                                          error:&regexError];
+        self.validatedIdentifiers = [[[NSMutableSet alloc] init] autorelease];
+    }
+    
+    if (![self.validatedIdentifiers containsObject:identifier]) {
+        NSUInteger numMatches = [self.eventNameRegex numberOfMatchesInString:identifier options:nil range:NSMakeRange(0, identifier.length)];
+        if (numMatches > 0) {
+            [self.validatedIdentifiers addObject:identifier];
+        } else {
+            return NO;
+        }
+    }
+    
+    return YES;
+}
+
+- (void)instanceLogEvent:(NSString *)eventName
+              valueToSum:(NSNumber *)valueToSum
+              parameters:(NSDictionary *)parameters
+      isImplicitlyLogged:(BOOL)isImplicitlyLogged
+                 session:(FBSession *)session {
+    
+    // Bail out of implicitly logged events if we know we're not doing implicit logging.
+    if (isImplicitlyLogged && self.haveFetchedAppSettings && !self.appSupportsImplicitLogging) {
+        return;
+    }
+    
+    __block BOOL failed = NO;
+    
+    if (![self validateIdentifier:eventName]) {
+        failed = YES;
+    }
+    
+    // Make sure parameter dictionary is well formed.  Log and exit if not.
+    [parameters enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+        
+        if (![key isKindOfClass:[NSString class]]) {
+            [FBAppEvents logAndNotify:[NSString stringWithFormat:@"The keys in the parameters must be NSStrings, '%@' is not.", key]];
+            failed = YES;
+        }
+        
+        if (![self validateIdentifier:key]) {
+            failed = YES;
+        }
+        
+        if (![obj isKindOfClass:[NSString class]] && ![obj isKindOfClass:[NSNumber class]]) {
+            [FBAppEvents logAndNotify:[NSString stringWithFormat:@"The values in the parameters dictionary must be NSStrings or NSNumbers, '%@' is not.", obj]];
+            failed = YES;
+        }
+        
+    }
+     ];
+    
+    if (failed) {
+        return;
+    }
+    
+    // Push the event onto the queue for later flushing.
+    
+    FBSession *sessionToLogTo = [self sessionToSendRequestTo:session];
+    NSMutableDictionary *eventDictionary = [NSMutableDictionary dictionaryWithDictionary:parameters];
+    
+    long logTime = [FBAppEvents unixTimeNow];
+    [eventDictionary setObject:eventName forKey:@"_eventName"];
+    [eventDictionary setObject:[NSNumber numberWithLong:logTime] forKey:@"_logTime"];
+    
+    if (valueToSum != nil) {
+        [eventDictionary setObject:valueToSum forKey:@"_valueToSum"];
+    }
+    
+    if (isImplicitlyLogged) {
+        [eventDictionary setObject:@"1" forKey:@"_implicitlyLogged"];
+    }
+    
+    @synchronized (self) {
+        if ([FBSettings appVersion]) {
+            [eventDictionary setObject:[FBSettings appVersion] forKey:@"_appVersion"];
+        }
+        
+        // If this is a different session than the most recent we logged to, set up that earlier session for flushing, and update
+        // the most recent.
+        if (!self.lastSessionLoggedTo) {
+            self.lastSessionLoggedTo = sessionToLogTo;
+        }
+        
+        if (self.lastSessionLoggedTo != sessionToLogTo) {
+            // Since we're not logging to lastSessionLoggedTo, at least for now, set it up for flushing.  If we swap back and
+            // forth frequently between sessions, this could be thrashy, but that's not an expected use case of the SDK.
+            [self flush:FBAppEventsFlushReasonSessionChange session:self.lastSessionLoggedTo];
+            self.lastSessionLoggedTo = sessionToLogTo;
+        }
+        
+        FBSessionAppEventsState *appEventsState = sessionToLogTo.appEventsState;
+        
+        [appEventsState addEvent:eventDictionary isImplicit:isImplicitlyLogged];
+        
+        if (!isImplicitlyLogged) {
+            [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                            formatString:@"FBAppEvents: Recording event @ %ld: %@",
+                [FBAppEvents unixTimeNow],
+                eventDictionary];
+        }
+        
+        BOOL eventsRetrievedFromPersistedData = NO;
+        if (self.haveOutstandingPersistedData) {
+            // Now that we have a session, we can read in our persisted data.
+            eventsRetrievedFromPersistedData = [self updateAppEventsStateWithPersistedData:sessionToLogTo];
+            self.haveOutstandingPersistedData = NO;
+        }
+        
+        if (self.flushBehavior != FBAppEventsFlushBehaviorExplicitOnly) {
+            
+            if (appEventsState.getAccumulatedEventCount > NUM_LOG_EVENTS_TO_TRY_TO_FLUSH_AFTER) {
+                [self flush:FBAppEventsFlushReasonEventThreshold session:sessionToLogTo];
+            } else if (eventsRetrievedFromPersistedData) {
+                [self flush:FBAppEventsFlushReasonPersistedEvents session:sessionToLogTo];
+            }
+            
+        }
+    }
+}
+
+- (void)instanceFlush:(FBAppEventsFlushReason)flushReason {
+    if (self.lastSessionLoggedTo) {  // nil only if no logging yet, instanceLogEvent will fill this in.
+        [self flush:flushReason session:self.lastSessionLoggedTo];
+    }
+}
+
+
+- (void)flush:(FBAppEventsFlushReason)flushReason
+      session:(FBSession *)session {
+    
+    // Always flush asynchronously, even on main thread, for two reasons:
+    // - most consistent code path for all threads.
+    // - allow locks being held by caller to be released prior to actual flushing work being done.
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self flushOnMainQueue:flushReason session:session];
+    });
+}
+
+/*
+ 
+ Event sending procedure:
+ 
+ - always executing on the main thread, and the flush is targeted at the appEventsState on the session
+ - if request is currently in-flight, return
+ - extend the 'inFlight' event list with the list of current events
+ - clear out the current event list (since logEvents during this request will add to it)
+ - send request
+ - if request result is:
+   + success: clear out the inFlight event list, invoke the delegate with success
+   + server error: clear out the inFlight event list, log, and publish to NotificationCenter with error
+   + cannot connect: keep inFlight event list intact
+ 
+ After N minutes, the process will be re-invoked if there are items in the inFlight list, or
+ you haven't chosen ExplicitOnly flush.
+ 
+ On app deactivation/backgrounding: persist the inFlight events.  No time to try to send.
+ On app termination: Persist the inFlight events
+ On app activation: Read back from persisted data and flush asap.
+ 
+ */
+- (void)flushOnMainQueue:(FBAppEventsFlushReason)flushReason
+                 session:(FBSession *)session {
+    
+    [FBAppEvents ensureOnMainThread];
+    FBSessionAppEventsState *appEventsState = session.appEventsState;
+    
+    // If trying to flush a session already in flight, just ignore and continue to accum events
+    // until we try to flush again.
+    if (appEventsState.requestInFlight || self.appSupportsAttributionStatus == AppSupportsAttributionQueryInFlight) {
+        return;
+    }
+    
+    NSString *appid = session.appID;
+    
+    if (self.appSupportsAttributionStatus == AppSupportsAttributionUnknown) {
+        
+        // If we haven't yet determined whether the app supports sending the attribution ID, we'll need
+        // to make an initial request to determine this, and then call back in once we know.
+        self.appSupportsAttributionStatus = AppSupportsAttributionQueryInFlight;
+        [FBUtility fetchAppSettings:appid
+                           callback:^(FBFetchedAppSettings *settings, NSError *error) {
+                               
+                               [FBAppEvents ensureOnMainThread];
+                   
+                               // Treat an error as if the app doesn't allow sending of attribution ID.
+                               self.appSupportsAttributionStatus = settings.supportsAttribution && !error
+                                 ? AppSupportsAttributionTrue : AppSupportsAttributionFalse;
+                    
+                               self.appSupportsImplicitLogging = settings.supportsImplicitSdkLogging;
+                               
+                               self.haveFetchedAppSettings = YES;
+                             
+                               // Kick off the original flush, now that we have the info we need.
+                               [self flushOnMainQueue:flushReason session:session];
+                           }
+        ];
+
+        return;
+        
+    } 
+    
+    NSString *jsonEncodedEvents;
+    NSUInteger eventCount, numSkipped;
+    @synchronized (appEventsState) {
+        
+        [appEventsState.inFlightEvents addObjectsFromArray:appEventsState.accumulatedEvents];
+        [appEventsState.accumulatedEvents removeAllObjects];
+        eventCount = appEventsState.inFlightEvents.count;
+        
+        if (!eventCount) {
+            return;
+        }
+        
+        jsonEncodedEvents = [appEventsState jsonEncodeInFlightEvents:self.appSupportsImplicitLogging];
+        numSkipped = appEventsState.numSkippedEventsDueToFullBuffer;
+    }
+    
+    // Move custom events field off the URL and into a POST field only by encoding into UTF8, which the server
+    // will then handle as an uploaded file.  It also allows request compression to work on event data.
+    NSData *utf8EncodedEvents = [jsonEncodedEvents dataUsingEncoding:NSUTF8StringEncoding];
+    
+    if (!utf8EncodedEvents) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                            logEntry:@"FBAppEvents: Flushing skipped - no events after removing implicitly logged ones.\n"];
+        return;
+    }
+    
+    NSMutableDictionary *postParameters =
+        [NSMutableDictionary dictionaryWithDictionary:
+            @{ @"event" : @"CUSTOM_APP_EVENTS",
+               @"custom_events_file" : utf8EncodedEvents,
+            }
+         ];
+    
+    if (numSkipped > 0) {
+        postParameters[@"num_skipped_events"] = [NSString stringWithFormat:@"%lu", (unsigned long)numSkipped];
+    }
+    
+    [self appendAttributionAndAdvertiserIDs:postParameters
+                                              session:session];
+
+    NSString *loggingEntry = nil;
+    if ([[FBSettings loggingBehavior] containsObject:FBLoggingBehaviorAppEvents]) {
+
+        id decodedEvents = [FBUtility simpleJSONDecode:jsonEncodedEvents];
+        NSString *prettyPrintedJsonEvents = [FBUtility simpleJSONEncode:decodedEvents
+                                                                  error:nil
+                                                         writingOptions:NSJSONWritingPrettyPrinted];
+        
+        // Remove this param -- just an encoding of the events which we pretty print later.
+        NSMutableDictionary *paramsForPrinting = [NSMutableDictionary dictionaryWithDictionary:postParameters];
+        [paramsForPrinting removeObjectForKey:@"custom_events_file"];
+    
+        loggingEntry = [NSString stringWithFormat:@"FBAppEvents: Flushed @ %ld, %lu events due to '%@' - %@\nEvents: %@",
+                         [FBAppEvents unixTimeNow],
+                         (unsigned long)eventCount,
+                         [FBAppEvents flushReasonToString:flushReason],
+                         paramsForPrinting,
+                         prettyPrintedJsonEvents];
+    }
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:[NSString stringWithFormat:@"%@/activities", appid]
+                                                  parameters:postParameters
+                                                  HTTPMethod:@"POST"] autorelease];
+    request.canCloseSessionOnError = NO;
+    
+    [request startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        [self handleActivitiesPostCompletion:error
+                                loggingEntry:loggingEntry
+                                     session:session];
+    }];
+    
+    appEventsState.requestInFlight = YES;
+}
+
+- (void)appendAttributionAndAdvertiserIDs:(NSMutableDictionary *)postParameters
+                                            session:(FBSession *)session {
+    
+    if (self.appSupportsAttributionStatus == AppSupportsAttributionTrue) {
+        NSString *attributionID = [FBUtility attributionID];
+        if (attributionID) {
+            [postParameters setObject:attributionID forKey:@"attribution"];
+        }
+    }
+    
+    // Send advertiserID if available, and send along whether tracking is enabled too.  That's because
+    // we can use the advertiser_id for non-tracking purposes (aggregated Insights/demographics) that doesn't
+    // result in advertising targeting that user.
+    NSString *advertiserID = [FBUtility advertiserID];
+    if (advertiserID) {
+        [postParameters setObject:advertiserID forKey:@"advertiser_id"];
+    }
+
+    [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:postParameters];
+}
+
+- (BOOL)doesSessionHaveUserToken:(FBSession *)session {
+    // Assume that if we're not using an appAuthSession (built from the Client Token) or the anonymous session,
+    // then we have a logged in user token.
+    FBSession *appAuthSession = [self.appAuthSessions objectForKey:session.appID];
+    return session != appAuthSession && session != self.anonymousSession;
+}
+
+
+// Given a candidate session (which may be nil), find the real session to send the FBRequest to (with an access token).
+// Precedence: 1) provided session, 2) activeSession, 3) app authenticated session, 4) fully anonymous session.
+// When clientToken-annotated calls move outside of the domain of stuff handled in this file, we may want to move this as a
+// helper into FBSession.
+- (FBSession *)sessionToSendRequestTo:(FBSession *)session {
+    
+    if (!session) {
+        // Note: activeSession's appID will be [FBSettings defaultAppID] unless otherwise established.
+        session = [FBSession activeSession];
+    }
+    
+    if (!session.accessTokenData.accessToken) {
+
+        NSString *clientToken = [FBSettings clientToken];
+        NSString *appID = session.appID;
+        
+        if (clientToken && appID) {
+            
+            FBSession *appAuthSession = [self.appAuthSessions objectForKey:appID];
+            if (!appAuthSession) {
+                
+                @synchronized(self) {
+                    
+                    appAuthSession = [self.appAuthSessions objectForKey:appID];  // in case it snuck in
+                    if (!appAuthSession) {  
+                
+                        FBSessionManualTokenCachingStrategy *tokenCaching = [[FBSessionManualTokenCachingStrategy alloc] init];
+                        tokenCaching.accessToken = [NSString stringWithFormat:@"%@|%@", appID, clientToken];
+                        tokenCaching.expirationDate = [NSDate dateWithTimeIntervalSinceNow:315360000]; // 10 years from now
+                        
+                        // Create session with explicit token and stash with appID.
+                        appAuthSession = [FBAppEvents unaffinitizedSessionFromToken:tokenCaching
+                                                                              appID:appID];
+                        [tokenCaching release];
+                        
+                        [self.appAuthSessions setObject:appAuthSession forKey:appID];
+                    }
+                }
+            }
+            session = appAuthSession;
+            
+        } else {
+            
+            // No clientToken, create session without access token that can be used for logging the events in 'eventsNotRequiringToken', preferring
+            // appID coming in with the incoming session (or the activeSession), even if they don't have an access token.
+            if (!self.anonymousSession) {
+                
+                @synchronized(self) {
+                    
+                    if (!self.anonymousSession) {  // in case it snuck in
+                        self.anonymousSession = [FBAppEvents unaffinitizedSessionFromToken:[FBSessionTokenCachingStrategy nullCacheInstance]
+                                                                                     appID:appID];
+                    }
+                }
+            }
+            session = self.anonymousSession;
+        }
+            
+    }
+    
+    return session;
+}
+
++ (FBSession *)unaffinitizedSessionFromToken:(FBSessionTokenCachingStrategy *)tokenCachingStrategy
+                                       appID:(NSString *)appID {
+
+    // Passing in nil for appID will result in using [FBSettings defaultAppID], and the right exception
+    // behavior will happen if that is null.
+    FBSession *session = [[[FBSession alloc] initWithAppID:appID
+                                               permissions:nil
+                                           urlSchemeSuffix:nil
+                                        tokenCacheStrategy:tokenCachingStrategy]
+                          autorelease];
+    
+    // This may have been created off of the main thread, so clear out the affinitizedThread, and it will be
+    // reset to the main thread on the first "real" operation on it.
+    [session clearAffinitizedThread];
+
+    return session;
+}
+
++ (long)unixTimeNow {
+    return (long)round([[NSDate date] timeIntervalSince1970]);
+}
+
+
+- (void)handleActivitiesPostCompletion:(NSError *)error
+                          loggingEntry:(NSString *)loggingEntry
+                               session:(FBSession *)session {
+    
+    typedef enum {
+        FlushResultSuccess,
+        FlushResultServerError,
+        FlushResultNoConnectivity
+    } FlushResult;
+    
+    [FBAppEvents ensureOnMainThread];
+    
+    FlushResult flushResult = FlushResultSuccess;
+    if (error) {
+        
+        NSInteger errorCode = [[[error userInfo] objectForKey:FBErrorHTTPStatusCodeKey] integerValue];
+        
+        // We interpret a 400 coming back from FBRequestConnection as a server error due to improper data being
+        // sent down.  Otherwise we assume no connectivity, or another condition where we could treat it as no connectivity.
+        flushResult = errorCode == 400 ? FlushResultServerError : FlushResultNoConnectivity;
+    }
+    
+    FBSessionAppEventsState *appEventsState = session.appEventsState;
+    @synchronized (appEventsState) {
+        if (flushResult != FlushResultNoConnectivity) {
+            
+            // Either success or a real server error.  Either way, no more in flight events.
+            [appEventsState clearInFlightAndStats];
+        }
+        
+        appEventsState.requestInFlight = NO;
+    }
+
+    if (flushResult == FlushResultServerError) {
+        [FBAppEvents logAndNotify:[error description]];
+    }
+    
+    NSString *resultString = @"<unknown>";
+    switch (flushResult) {
+        case FlushResultSuccess:
+            resultString = @"Success";
+            break;
+            
+        case FlushResultNoConnectivity:
+            resultString = @"No Connectivity";
+            break;
+            
+        case FlushResultServerError:
+            resultString = [NSString stringWithFormat:@"Server Error - %@", [error description]];
+            break;
+    }
+    
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                    formatString:@"%@\nFlush Result : %@", loggingEntry, resultString];
+}
+
+
+- (void)flushTimerFired:(id)arg {
+    [FBAppEvents ensureOnMainThread];
+    
+    @synchronized (self) {
+        if (self.flushBehavior != FBAppEventsFlushBehaviorExplicitOnly) {
+            if (self.lastSessionLoggedTo.appEventsState.inFlightEvents.count > 0 ||
+                self.lastSessionLoggedTo.appEventsState.accumulatedEvents.count > 0) {
+            
+                [self flush:FBAppEventsFlushReasonTimer session:self.lastSessionLoggedTo];
+            }
+        }
+    }
+}
+
+- (void)attributionIDRecheckTimerFired:(id)arg {
+    // Reset app attribution status so it will be re-fetched in the event there was a server change.
+    self.appSupportsAttributionStatus = AppSupportsAttributionUnknown;
+}
+
+- (void)applicationDidBecomeActive {
+    
+    [FBAppEvents ensureOnMainThread];
+    
+    // We associate the deserialized persisted data with the current session.
+    // It's possible we'll get false attribution if the user identity has changed
+    // between the time the data was persisted and now, but we'll accept these
+    // anomolies in the aggregate data (which should be rare anyhow).
+    
+    // Can only actively update state and log when we have a session, otherwise we
+    // set a BOOL to tell us to update as soon as we can afterwards.
+    if (self.lastSessionLoggedTo) {
+        
+        BOOL eventsRetrieved = [self updateAppEventsStateWithPersistedData:self.lastSessionLoggedTo];
+        
+        if (eventsRetrieved && self.flushBehavior != FBAppEventsFlushBehaviorExplicitOnly) {
+            [self flush:FBAppEventsFlushReasonPersistedEvents session:self.lastSessionLoggedTo];
+        }
+        
+    } else {
+        
+        self.haveOutstandingPersistedData = YES;
+        
+    }
+}
+
+// Read back previously persisted events, if any, into specified session, returning whether any events were retrieved.
+- (BOOL)updateAppEventsStateWithPersistedData:(FBSession *)session {
+    
+    BOOL eventsRetrieved = NO;
+    NSDictionary *persistedData = [FBAppEvents retrievePersistedAppEventData];
+    if (persistedData) {
+        
+        [FBAppEvents clearPersistedAppEventData];
+        
+        FBSessionAppEventsState *appEventsState = session.appEventsState;        
+        @synchronized (appEventsState) {
+            appEventsState.numSkippedEventsDueToFullBuffer += [[persistedData objectForKey:FBAppEventsPersistKeyNumSkipped] integerValue];
+            NSArray *retrievedObjects = [persistedData objectForKey:FBAppEventsPersistKeyEvents];
+            if (retrievedObjects.count) {
+                [appEventsState.inFlightEvents addObjectsFromArray:retrievedObjects];
+                eventsRetrieved = YES;
+            }
+        }
+    }
+    
+    return eventsRetrieved;
+}
+
+- (void)applicationMovingFromActiveState {
+    // When moving from active state, we don't have time to wait for the result of a flush, so
+    // just persist events to storage, and we'll process them at the next activation.
+    [self persistDataIfNotInFlight];
+}
+
+- (void)applicationTerminating {
+    // When terminating, we don't have time to wait for the result of a flush, so
+    // just persist events to storage, and we'll process them at the next activation.
+    [self persistDataIfNotInFlight];
+}
+
+- (void)persistDataIfNotInFlight {
+    [FBAppEvents ensureOnMainThread];
+
+    FBSessionAppEventsState *appEventsState = self.lastSessionLoggedTo.appEventsState;
+    if (appEventsState.requestInFlight) {
+        // In flight request may or may not succeed, so there's no right thing to do here.  Err by just not doing anything on termination;
+        return;
+    }
+    
+    // Persist right away if needed (rather than trying one last sync) since we're about to be booted out.
+    [FBAppEvents persistAppEventsData:appEventsState];
+}
+
++ (void)logAndNotify:(NSString *)msg {
+    
+    // capture reason and nested code as user info
+    NSDictionary* userinfo = [NSDictionary dictionaryWithObject:msg forKey:FBErrorAppEventsReasonKey];
+    
+    // create error object
+    NSError *err = [NSError errorWithDomain:FacebookSDKDomain
+                                       code:FBErrorAppEvents
+                                   userInfo:userinfo];
+    
+    NSString *behaviorToLog = FBLoggingBehaviorAppEvents;
+    if ([[FBSettings loggingBehavior] containsObject:FBLoggingBehaviorDeveloperErrors]) {
+        // Rather than log twice, prefer 'DeveloperErrors' if it's set over AppEvents.
+        behaviorToLog = FBLoggingBehaviorDeveloperErrors;
+    }
+    
+    [FBLogger singleShotLogEntry:behaviorToLog logEntry:msg];
+
+    [[NSNotificationCenter defaultCenter] postNotificationName:FBAppEventsLoggingResultNotification
+                                                        object:err];
+}
+
+#pragma mark - event log persistence
+
++ (void)persistAppEventsData:(FBSessionAppEventsState *)appEventsState {
+    
+    [FBAppEvents ensureOnMainThread];
+    NSString *content;
+    
+    // We just persist from the last session being logged to.  When we switch sessions, we flush out
+    // the one being moved away from.  So, modulo in-flight sessions, the only one with real data will
+    // be the last one.
+    
+    @synchronized (appEventsState) {
+        [appEventsState.inFlightEvents addObjectsFromArray:appEventsState.accumulatedEvents];
+        [appEventsState.accumulatedEvents removeAllObjects];
+        
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                        formatString:@"FBAppEvents Persist: Writing %lu events", (unsigned long)appEventsState.inFlightEvents.count];
+        
+        if (!appEventsState.inFlightEvents.count) {
+            return;
+        }
+        
+        NSDictionary *appEventData = @{
+            FBAppEventsPersistKeyNumSkipped   : [NSNumber numberWithInt:appEventsState.numSkippedEventsDueToFullBuffer],
+            FBAppEventsPersistKeyEvents       : appEventsState.inFlightEvents,
+        };
+
+        content = [FBUtility simpleJSONEncode:appEventData];
+        
+        [appEventsState clearInFlightAndStats];
+    }
+    
+    //save content to the documents directory
+    [content writeToFile:[FBAppEvents persistenceFilePath]
+              atomically:YES
+                encoding:NSStringEncodingConversionAllowLossy
+                   error:nil];
+
+}
+
++ (NSDictionary *)retrievePersistedAppEventData {
+        
+    NSString *content = [[NSString alloc] initWithContentsOfFile:[FBAppEvents persistenceFilePath]
+                                                    usedEncoding:nil
+                                                           error:nil];
+    NSDictionary *results = [FBUtility simpleJSONDecode:content];
+    [content release];
+    
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                    formatString:@"FBAppEvents Persist: Read %lu events",
+                    (unsigned long)(results ? [[results objectForKey:FBAppEventsPersistKeyEvents] count] : 0)];
+    return results;
+}
+
++ (void)clearPersistedAppEventData {
+    
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorAppEvents
+                        logEntry:@"FBAppEvents Persist: Clearing"];
+    [[NSFileManager defaultManager] removeItemAtPath:[FBAppEvents persistenceFilePath] error:nil];
+}
+
++ (NSString *)persistenceFilePath {
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *docDirectory = [paths objectAtIndex:0];
+    return [docDirectory stringByAppendingPathComponent:FBAppEventsPersistedEventsFilename];
+}
+
++ (void)ensureOnMainThread {
+    FBConditionalLog([NSThread isMainThread], @"*** This method expected to be called on the main thread.");
+}
+
+#pragma mark - Custom Audience token stuff
+
+// This code lives here in FBAppEvents because it shares many of the runtime characteristics of the FBAppEvents logging,
+// even though the public exposure is elsewhere
+
++ (FBRequest *)customAudienceThirdPartyIDRequest:(FBSession *)session {
+    return [FBAppEvents.singleton instanceCustomAudienceThirdPartyIDRequest:session];
+}
+
+
+- (FBRequest *)instanceCustomAudienceThirdPartyIDRequest:(FBSession *)session {
+    
+    // Rules for how we use the attribution ID / advertiser ID for an 'custom_audience_third_party_id' Graph API request
+    // 1) if the OS tells us that the user has Limited Ad Tracking, then just don't send, and return a nil in the token.
+    // 2) if the app has set 'limitEventUsage', this effectively implies that app-initiated ad targeting shouldn't happen,
+    //    so use that data here to return nil as well.
+    // 3) if we have a user session token, then no need to send attribution ID / advertiser ID back as the udid parameter
+    // 4) otherwise, send back the udid parameter.
+    
+    if ([FBUtility advertisingTrackingStatus] == AdvertisingTrackingDisallowed || [FBAppEvents limitEventUsage]) {
+        return nil;
+    }
+    
+    FBSession *sessionToSendRequestTo = [self sessionToSendRequestTo:session];
+    NSString *udid = nil;
+    if (![self doesSessionHaveUserToken:sessionToSendRequestTo]) {
+        
+        // We don't have a logged in user, so we need some form of udid representation.  Prefer
+        // advertiser ID if available, and back off to attribution ID if not.
+        udid = [FBUtility advertiserID];
+        if (!udid) {
+            udid = [FBUtility attributionID];
+        }
+        
+        if (!udid) {
+            // No udid, and no user token.  No point in making the request.
+            return nil;
+        }
+    }
+    
+    NSDictionary *parameters = nil;
+    if (udid) {
+        parameters = @{ @"udid" : udid };
+    }
+    
+    NSString *graphPath = [NSString stringWithFormat:@"%@/custom_audience_third_party_id", sessionToSendRequestTo.appID];
+    FBRequest *request = [[[FBRequest alloc] initWithSession:sessionToSendRequestTo
+                                                   graphPath:graphPath
+                                                  parameters:parameters
+                                                  HTTPMethod:nil]
+                          autorelease];
+    request.canCloseSessionOnError = NO;
+    
+    return request;
+}
+
++ (NSString *)flushReasonToString:(FBAppEventsFlushReason)flushReason {
+    
+    NSString *result = @"Unknown";
+    switch (flushReason) {
+        case FBAppEventsFlushReasonExplicit:
+            result = @"Explicit";
+            break;
+            
+        case FBAppEventsFlushReasonTimer:
+            result = @"Timer";
+            break;
+            
+        case FBAppEventsFlushReasonSessionChange:
+            result = @"SessionChange";
+            break;
+            
+        case FBAppEventsFlushReasonPersistedEvents:
+            result = @"PersistedEvents";
+            break;
+            
+        case FBAppEventsFlushReasonEventThreshold:
+            result = @"EventCountThreshold";
+            break;
+            
+        case FBAppEventsFlushReasonEagerlyFlushingEvent:
+            result = @"EagerlyFlushingEvent";
+            break;
+    }
+    
+    return result;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppLinkData+Internal.h b/Vendor/facebook-ios-sdk/src/FBAppLinkData+Internal.h
new file mode 100644
index 0000000..ef04e57
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppLinkData+Internal.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppLinkData.h"
+
+@interface FBAppLinkData (Internal)
+
+@property (readonly) BOOL isValid;
+
+- (id)initWithURL:(NSURL*)url targetURL:(NSURL *)targetURL ref:(NSArray *)ref originalQueryParameters:(NSDictionary *)originalQueryParameters arguments:(NSDictionary *)arguments;
+
++ (FBAppLinkData *)createFromURL:(NSURL *)url;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppLinkData.h b/Vendor/facebook-ios-sdk/src/FBAppLinkData.h
new file mode 100644
index 0000000..7d1f439
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppLinkData.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @abstract This class contains information that represents an App Link from Facebook. 
+ */
+@interface FBAppLinkData : NSObject
+
+/*! @abstract The target */
+@property (readonly) NSURL *targetURL;
+
+/*! @abstract List of the types of actions for this target */
+@property (readonly) NSArray *actionTypes;
+
+/*! @abstract List of the ids of the actions for this target */
+@property (readonly) NSArray *actionIDs;
+
+/*! @abstract Reference breadcrumb provided during creation of story */
+@property (readonly) NSArray *ref;
+
+/*! @abstract Full set of query parameters for this app link */
+@property (readonly) NSDictionary *originalQueryParameters;
+
+/*! @abstract Original url from which applinkData was extracted */
+@property (readonly) NSURL *originalURL;
+
+/*! @abstract Addtional arguments supplied with the App Link data. */
+@property (readonly) NSDictionary *arguments;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBAppLinkData.m b/Vendor/facebook-ios-sdk/src/FBAppLinkData.m
new file mode 100644
index 0000000..89eac51
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBAppLinkData.m
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppLinkData+Internal.h"
+#import "FBUtility.h"
+
+@interface FBAppLinkData ()
+
+@property (readwrite, retain) NSURL *targetURL;
+@property (readwrite, copy) NSArray *actionTypes;
+@property (readwrite, copy) NSArray *actionIDs;
+@property (readwrite, copy) NSArray *ref;
+@property (readwrite, copy) NSDictionary *originalQueryParameters;
+@property (readwrite, retain) NSURL *originalURL;
+@property (readwrite, copy) NSDictionary *arguments;
+@end
+
+@implementation FBAppLinkData
+
+- (id)initWithURL:(NSURL*)url {
+    NSDictionary *params = [FBUtility queryParamsDictionaryFromFBURL:url];
+    NSURL *targetURL = (params[@"target_url"]) ? [[[NSURL alloc] initWithString:params[@"target_url"]] autorelease] : nil;
+    NSArray *ref = [params[@"fb_ref"] componentsSeparatedByString:@","];
+    NSDictionary *originalQueryParameters = params;
+
+    if (self = [self initWithURL:url targetURL:targetURL ref:ref originalQueryParameters:originalQueryParameters arguments:nil]) {
+        self.actionIDs = [params[@"fb_action_ids"] componentsSeparatedByString:@","];
+        self.actionTypes = [params[@"fb_action_types"] componentsSeparatedByString:@","];
+    }
+    return self;
+}
+
+- (id) initWithURL:(NSURL*)url targetURL:(NSURL *)targetURL ref:(NSArray *)ref originalQueryParameters:(NSDictionary *)originalQueryParameters arguments:(NSDictionary *)arguments {
+    if (self = [super init]) {
+        self.originalURL = url;
+        self.targetURL = targetURL;
+        self.ref = ref;
+        self.originalQueryParameters = originalQueryParameters;
+        self.arguments = arguments;
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [_targetURL release];
+    [_actionTypes release];
+    [_actionIDs release];
+    [_ref  release];
+    [_originalQueryParameters  release];
+    [_originalURL release];
+    [super dealloc];
+}
+
+- (BOOL)isValid {
+    return (self.targetURL ||
+            self.actionTypes ||
+            self.actionIDs ||
+            self.ref);
+}
+
++ (FBAppLinkData *)createFromURL:(NSURL *)url {
+    FBAppLinkData *appLinkData = [[[FBAppLinkData alloc] initWithURL:url] autorelease];
+    if (!appLinkData.isValid) {
+        // Not an app link!
+        appLinkData = nil;
+    }
+    return appLinkData;
+}
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p",
+                               NSStringFromClass([self class]),
+                               self];
+    
+    if (self.targetURL) {
+        [result appendFormat:@", targetURL: %@", self.targetURL.absoluteString];
+    }
+    
+    if (self.ref) {
+        [result appendFormat:@"\n ref: %@", self.ref];
+    }
+    
+    if (self.actionIDs) {
+        [result appendFormat:@"\n actionIDs: %@", self.actionIDs];
+    }
+    
+    if (self.actionTypes) {
+        [result appendFormat:@"\n actionTypes: %@", self.actionTypes];
+    }
+    
+    [result appendString:@">"];
+    return result;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.h b/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.h
new file mode 100644
index 0000000..fb26249
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession.h"
+
+/*!
+ @class
+ 
+ @abstract
+ Base class from which CacheDescriptors derive, provides a method to fetch data for later use
+ 
+ @discussion
+ Cache descriptors allow your application to specify the arguments that will be
+ later used with another object, such as the FBFriendPickerViewController. By using a cache descriptor
+ instance, an application can choose to fetch data ahead of the point in time where the data is needed.
+ */
+@interface FBCacheDescriptor : NSObject
+
+/*!
+ @method
+ @abstract
+ Fetches and caches the data described by the cache descriptor instance, for the given session.
+ 
+ @param session     the <FBSession> to use for fetching data
+ */
+- (void)prefetchAndCacheForSession:(FBSession*)session; 
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.m b/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.m
new file mode 100644
index 0000000..e75d25c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBCacheDescriptor.m
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBCacheDescriptor.h"
+
+@implementation FBCacheDescriptor
+
+- (void)prefetchAndCacheForSession:(FBSession *)session {
+    // we are treating this method as abstract virtual here
+    [self doesNotRecognizeSelector:_cmd];    
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBCacheIndex.h b/Vendor/facebook-ios-sdk/src/FBCacheIndex.h
new file mode 100644
index 0000000..81b446d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBCacheIndex.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import <Foundation/Foundation.h>
+#import <sqlite3.h>
+
+@class FBCacheIndex;
+
+@protocol FBCacheIndexFileDelegate <NSObject>
+
+@required
+// Informs the disk cache to write contents to the specified file.  The callback
+// should not block and should be executed in order.
+- (void) cacheIndex:(FBCacheIndex*)cacheIndex
+    writeFileWithName:(NSString*)name 
+    data:(NSData*)data;
+// Informs the disk cache to delete the specified file.
+- (void) cacheIndex:(FBCacheIndex*)cacheIndex
+    deleteFileWithName:(NSString*)name;
+
+@end
+
+@interface FBCacheIndex : NSObject
+{
+@private
+    id <FBCacheIndexFileDelegate> _delegate;
+    
+    NSCache* _cachedEntries;
+  
+    NSUInteger _currentDiskUsage;
+    NSUInteger _diskCapacity;
+  
+    sqlite3* _database;
+    sqlite3_stmt* _insertStatement;
+    sqlite3_stmt* _removeByKeyStatement;
+    sqlite3_stmt* _selectByKeyStatement;
+    sqlite3_stmt* _selectByKeyFragmentStatement;
+    sqlite3_stmt* _selectExcludingKeyFragmentStatement;
+    sqlite3_stmt* _trimStatement;
+    sqlite3_stmt* _updateStatement;
+  
+    dispatch_queue_t _databaseQueue;
+}
+
+- (id)initWithCacheFolder:(NSString*)folderPath;
+
+@property (assign) id delegate;
+@property (nonatomic, readonly) NSUInteger currentDiskUsage;
+@property (nonatomic, assign) NSUInteger diskCapacity;
+@property (nonatomic, assign) NSUInteger entryCacheCountLimit;
+@property (nonatomic, readonly) dispatch_queue_t databaseQueue;
+
+- (NSString*)fileNameForKey:(NSString*)key;
+- (NSString*)storeFileForKey:(NSString*)key withData:(NSData*)data;
+- (void)removeEntryForKey:(NSString*)key;
+- (void)removeEntries:(NSString*)keyFragment excludingFragment:(BOOL)exclude;
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBCacheIndex.m b/Vendor/facebook-ios-sdk/src/FBCacheIndex.m
new file mode 100644
index 0000000..a1362b2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBCacheIndex.m
@@ -0,0 +1,693 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBCacheIndex.h"
+#import "FBDynamicFrameworkLoader.h"
+
+#define CHECK_SQLITE(res, expectedResult, db) { \
+    int result = (res); \
+    if (result != expectedResult) { \
+        NSLog(@"FBCacheIndex: Expecting result %d, actual %d", \
+            expectedResult, \
+            result); \
+        if (db) { \
+            NSLog(@"FBCacheIndex: SQLite error: %s", fbdfl_sqlite3_errmsg(db)); \
+        } \
+        NSCAssert(NO, @""); \
+    } \
+}
+
+#define CHECK_SQLITE_SUCCESS(res, db) CHECK_SQLITE(res, SQLITE_OK, db)
+#define CHECK_SQLITE_DONE(res, db) CHECK_SQLITE(res, SQLITE_DONE, db)
+
+// Number of entries cached to memory
+static const NSInteger kDefaultCacheCountLimit = 500; 
+
+static NSString* const cacheFilename = @"cache.db";
+static const char* schema = 
+    "CREATE TABLE IF NOT EXISTS cache_index "
+    "(uuid TEXT, key TEXT PRIMARY KEY, access_time REAL, file_size INTEGER)"; 
+
+static const char* insertQuery = 
+    "INSERT INTO cache_index VALUES (?, ?, ?, ?)";
+    
+static const char* updateQuery =
+    "UPDATE cache_index "
+    "SET uuid=?, access_time=?, file_size=? "
+    "WHERE key=?";
+    
+static const char* selectByKeyQuery = 
+    "SELECT uuid, key, access_time, file_size FROM cache_index WHERE key = ?";
+
+static const char* selectByKeyFragmentQuery =
+    "SELECT uuid, key, access_time, file_size FROM cache_index WHERE key LIKE ?";
+
+static const char* selectExcludingKeyFragmentQuery =
+    "SELECT uuid, key, access_time, file_size FROM cache_index WHERE key NOT LIKE ?";
+
+static const char* selectStorageSizeQuery = 
+    "SELECT SUM(file_size) FROM cache_index";
+    
+static const char* deleteEntryQuery = 
+    "DELETE FROM cache_index WHERE key=?";
+    
+static const char* trimQuery = 
+    "CREATE TABLE trimmed AS "
+        "SELECT uuid, key, access_time, file_size, running_total "
+        "FROM ( "
+            "SELECT a1.uuid, a1.key, a1.access_time, "
+                "a1.file_size, SUM(a2.file_size) running_total " 
+            "FROM cache_index a1, cache_index a2 "
+            "WHERE a1.access_time > a2.access_time OR "
+                "(a1.access_time = a2.access_time AND a1.uuid = a2.uuid) "
+            "GROUP BY a1.uuid ORDER BY a1.access_time) rt "
+        "WHERE rt.running_total <= ?";
+
+#pragma mark - C Helpers
+
+static void initializeStatement(
+    sqlite3* database, 
+    sqlite3_stmt** statement, 
+    const char* statementText)
+{
+    if (*statement == nil) {
+        CHECK_SQLITE_SUCCESS(
+            fbdfl_sqlite3_prepare_v2(database, statementText, -1, statement, nil),
+            database
+        ); 
+    } else { 
+        CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_reset(*statement), database);
+    }
+}
+
+static void releaseStatement(sqlite3_stmt* statement, sqlite3* database)
+{
+    if (statement != nil) {
+        CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_finalize(statement), database);
+    }
+}
+
+@interface FBCacheEntityInfo : NSObject
+{
+@private
+    NSString* _uuid;
+    NSString* _key;
+    CFTimeInterval _accessTime;
+    NSUInteger _fileSize;
+    BOOL _dirty;
+}
+
+- (id)initWithKey:(NSString*)key 
+    uuid:(NSString*)uuid 
+    accessTime:(CFTimeInterval)accessTime 
+    fileSize:(NSUInteger)fileSize;
+
+@property (copy, readonly) NSString* key;
+@property (copy, readonly) NSString* uuid;
+@property (assign, readonly) CFTimeInterval accessTime; 
+@property (assign, readonly) NSUInteger fileSize;
+@property (assign, getter = isDirty) BOOL dirty;
+
+- (void)registerAccess;
+
+@end
+
+@interface FBCacheIndex() <NSCacheDelegate>
+
+- (FBCacheEntityInfo*)_entryForKey:(NSString*)key;
+- (void)_fetchCurrentDiskUsage;
+- (FBCacheEntityInfo*)_readEntryFromDatabase:(NSString*)key;
+- (NSMutableArray*) _readEntriesFromDatabase: (NSString*)keyFragment excludingFragment:(BOOL)exclude;
+- (FBCacheEntityInfo*)_createCacheEntityInfo:(sqlite3_stmt*)selectStatement;
+- (void)_removeEntryFromDatabaseForKey:(NSString*)key;
+- (void)_trimDatabase;
+- (void)_updateEntryInDatabaseForKey:(NSString*)key
+                     entry:(FBCacheEntityInfo*)entry;
+- (void)_writeEntryInDatabase:(FBCacheEntityInfo*)entry;
+
+@end
+
+@implementation FBCacheIndex
+
+@synthesize delegate = _delegate;
+@synthesize currentDiskUsage = _currentDiskUsage;
+@synthesize diskCapacity = _diskCapacity;
+@synthesize databaseQueue = _databaseQueue;
+
+#pragma mark - Lifecycle
+
+- (id)initWithCacheFolder:(NSString*)folderPath
+{
+    self = [super init];
+    if (self) {
+        NSString* cacheDBFullPath = 
+            [folderPath stringByAppendingPathComponent:cacheFilename];
+
+        dispatch_queue_t lowPriQueue = 
+            dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0);
+        _databaseQueue = dispatch_queue_create(
+            "Data Cache queue", 
+            DISPATCH_QUEUE_SERIAL);
+        dispatch_set_target_queue(_databaseQueue, lowPriQueue);
+        
+        __block BOOL success = YES;
+        
+        // TODO: This is really bad if higher layers are going to be
+        // multi-threaded.  And this has to be unblocked.
+        dispatch_sync(
+            _databaseQueue, 
+            ^{
+                success = (fbdfl_sqlite3_open_v2(
+                    cacheDBFullPath.UTF8String, 
+                    &_database, 
+                    SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, 
+                    nil) == SQLITE_OK);
+
+                if (success) {
+                    success = (fbdfl_sqlite3_exec(
+                        _database, 
+                        schema, 
+                        nil, 
+                        nil, 
+                        nil) == SQLITE_OK);
+                }
+            }
+        );
+    
+        if (!success) {
+            [self release];
+            return nil;
+        }
+        
+        // Get disk usage asynchronously
+        dispatch_async(_databaseQueue, ^{
+            [self _fetchCurrentDiskUsage];
+        });
+        
+        _cachedEntries = [[NSCache alloc] init];
+        _cachedEntries.delegate = self;
+        _cachedEntries.countLimit = kDefaultCacheCountLimit;
+    }
+    
+    return self;
+}
+
+- (void)dealloc {
+    if (_databaseQueue) {
+        // Copy these locally so we don't capture self in the block
+        sqlite3* const db = _database;
+        sqlite3_stmt* const is = _insertStatement;        
+        sqlite3_stmt* const sbks = _selectByKeyStatement;
+        sqlite3_stmt* const sbkfs = _selectByKeyFragmentStatement;
+        sqlite3_stmt* const sekfs = _selectExcludingKeyFragmentStatement;
+        sqlite3_stmt* const rbks = _removeByKeyStatement;
+        sqlite3_stmt* const ts = _trimStatement;
+        sqlite3_stmt* const us = _updateStatement;
+        dispatch_async(_databaseQueue, ^{
+            releaseStatement(is, nil);
+            releaseStatement(sbks, nil);
+            releaseStatement(sbkfs, nil);
+            releaseStatement(sekfs, nil);
+            releaseStatement(rbks, nil);
+            releaseStatement(ts, nil);
+            releaseStatement(us, nil);
+            
+            CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_close(db), nil);
+        });
+        
+        dispatch_release(_databaseQueue);
+    }
+    
+    _cachedEntries.delegate = nil;
+    [_cachedEntries release];
+    [super dealloc];
+}
+
+#pragma mark - Properties
+
+- (NSUInteger)entryCacheCountLimit 
+{
+    return _cachedEntries.countLimit;
+}
+
+- (void)setEntryCacheCountLimit:(NSUInteger)entryCacheCountLimit
+{
+    _cachedEntries.countLimit = entryCacheCountLimit;
+}
+
+#pragma mark - Public
+
+- (NSString*)fileNameForKey:(NSString*)key
+{
+    FBCacheEntityInfo* entryInfo = [self _entryForKey:key];
+    [entryInfo registerAccess];
+    if (entryInfo) {
+        return [[entryInfo.uuid retain] autorelease];
+    } else {
+        return nil;
+    }
+}
+
+- (NSString*)storeFileForKey:(NSString*)key withData:(NSData*)data
+{
+    CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
+    NSString* uuidString = 
+        (NSString*)CFUUIDCreateString(kCFAllocatorDefault, uuid);
+    
+    CFRelease(uuid);    
+    FBCacheEntityInfo* entry = [[FBCacheEntityInfo alloc] 
+        initWithKey:key 
+        uuid:uuidString
+        accessTime:0
+        fileSize:data.length];
+
+    [entry registerAccess];
+    dispatch_async(_databaseQueue, ^{
+        [self _writeEntryInDatabase:entry];
+
+        _currentDiskUsage += data.length;
+        if (_currentDiskUsage > _diskCapacity) {
+            [self _trimDatabase];
+        }
+    });
+    
+    [self.delegate cacheIndex:self writeFileWithName:uuidString data:data];
+  
+    [_cachedEntries setObject:entry forKey:key];
+    [entry release];
+    
+    return [uuidString autorelease];
+}
+
+- (void)removeEntryForKey:(NSString*)key
+{
+    FBCacheEntityInfo* entry = [self _entryForKey:key];
+    entry.dirty = NO; // Removing, so no need to flush to disk
+
+    NSInteger spaceSaved = entry.fileSize;
+    [_cachedEntries removeObjectForKey:key];
+    
+    dispatch_async(_databaseQueue, ^{
+        [self _removeEntryFromDatabaseForKey:key];
+        if (_currentDiskUsage >= spaceSaved) {
+            _currentDiskUsage -= spaceSaved;
+        } else {
+            NSAssert(NO, @"Our disk usage is out of whack");
+            // This means current disk usage is out of whack - let's re-read
+            [self _fetchCurrentDiskUsage];
+        };
+
+        [self.delegate cacheIndex:self deleteFileWithName:entry.uuid];
+    });
+}
+
+- (void)removeEntries:(NSString*)keyFragment excludingFragment:(BOOL)exclude
+{
+    if (keyFragment == nil) {
+        return;
+    }
+    
+    __block NSMutableArray* entries;
+    
+    dispatch_sync(_databaseQueue, ^{
+        entries = [self _readEntriesFromDatabase:keyFragment excludingFragment:exclude];
+    });
+    
+    for (FBCacheEntityInfo* entry in entries) {
+        if ([_cachedEntries objectForKey:entry.key] == nil) {
+            // Adding to the cache since the call to removeEntryForKey will look for the entry and
+            // try to retrieve it from the DB which will in turn add it to the cache anyways. So
+            // pre-emptively adding it to the in memory cache saves some DB roundtrips.
+            //
+            // This is only done for NSCache entries that don't already exist since replacing the
+            // old one with the new one will trigger willEvictObject which will try and perform
+            // a DB write. Since the write is async, we might end up in a weird state.
+            [_cachedEntries setObject:entry forKey:entry.key];
+        }
+        
+        [self removeEntryForKey:entry.key];
+    }
+}
+
+#pragma mark - NSCache delegate
+
+- (void)cache:(NSCache*)cache willEvictObject:(id)obj
+{
+    FBCacheEntityInfo* entryInfo = (FBCacheEntityInfo*)obj;
+    if (entryInfo.dirty) {
+        dispatch_async(_databaseQueue, ^{
+            [self _writeEntryInDatabase:entryInfo];
+        });
+    }
+}
+
+#pragma mark - Private
+
+- (void)_updateEntryInDatabaseForKey:(NSString*)key
+    entry:(FBCacheEntityInfo*)entry 
+{
+    initializeStatement(_database, &_updateStatement, updateQuery);
+
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _updateStatement, 
+        1, 
+        entry.uuid.UTF8String, 
+        (int)entry.uuid.length,
+        nil), _database);
+        
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_double(
+        _updateStatement, 
+        2, 
+        entry.accessTime), _database);  
+
+    NSAssert(entry.fileSize <= INT_MAX, @"");
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_int(
+        _updateStatement, 
+        3, 
+        (int)entry.fileSize), _database);
+        
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _updateStatement, 
+        4, 
+        entry.key.UTF8String, 
+        (int)entry.key.length,
+        nil), _database);
+    
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(_updateStatement), _database);
+
+    entry.dirty = NO;
+}
+
+- (void)_writeEntryInDatabase:(FBCacheEntityInfo*)entry 
+{
+    FBCacheEntityInfo* existing = [self _readEntryFromDatabase:entry.key];
+    if (existing) {
+        
+        // Entry already exists - update the entry
+        [self _updateEntryInDatabaseForKey:existing.key
+            entry:entry];
+        
+        if (![existing.uuid isEqualToString:entry.uuid]) {
+            // The files have changed.  Schedule a delete for existing file
+            [self.delegate cacheIndex:self deleteFileWithName:existing.uuid];
+        }
+        return;
+    }
+
+    initializeStatement(_database, &_insertStatement, insertQuery);
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _insertStatement, 
+        1, 
+        entry.uuid.UTF8String, 
+        (int)entry.uuid.length,
+        nil), _database);
+
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _insertStatement, 
+        2, 
+        entry.key.UTF8String, 
+        (int)entry.key.length,
+        nil), _database);
+        
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_double(
+        _insertStatement, 
+        3, 
+        entry.accessTime), _database);
+        
+    NSAssert(entry.fileSize <= INT_MAX, @"");
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_int(
+        _insertStatement, 
+        4, 
+        (int)entry.fileSize), _database);
+    
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(_insertStatement), _database);
+
+    entry.dirty = NO;
+}
+
+- (FBCacheEntityInfo*)_readEntryFromDatabase:(NSString*)key
+{
+    initializeStatement(_database, &_selectByKeyStatement, selectByKeyQuery);
+  
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _selectByKeyStatement, 
+        1, 
+        key.UTF8String, 
+        (int)key.length,
+        nil), _database);
+  
+    return [self _createCacheEntityInfo:_selectByKeyStatement];
+}
+
+- (NSMutableArray*) _readEntriesFromDatabase:(NSString*)keyFragment
+                           excludingFragment:(BOOL)exclude
+{
+    sqlite3_stmt* selectStatement;
+    const char* query;
+    if (exclude) {
+        selectStatement = _selectExcludingKeyFragmentStatement;
+        query = selectExcludingKeyFragmentQuery;
+    } else {
+        selectStatement = _selectByKeyFragmentStatement;
+        query = selectByKeyFragmentQuery;
+    }
+    
+    initializeStatement(_database, &selectStatement, query);
+    NSString* wildcardKeyFragment = [NSString stringWithFormat:@"%%%@%%", keyFragment];
+    
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        selectStatement, 
+        1, 
+        wildcardKeyFragment.UTF8String, 
+        (int)wildcardKeyFragment.length,
+        nil), _database);
+
+    NSMutableArray *entries = [[[NSMutableArray alloc] init] autorelease];
+    FBCacheEntityInfo* entry;
+
+    while ((entry = [self _createCacheEntityInfo:selectStatement]) != nil) {
+        [entries addObject:entry];
+    }
+    
+    return entries;
+}
+
+-(FBCacheEntityInfo*)_createCacheEntityInfo:(sqlite3_stmt*)selectStatement
+{
+    int result = fbdfl_sqlite3_step(selectStatement);
+    if (result != SQLITE_ROW) {
+        return nil;
+    }
+
+    const unsigned char* uuidStr =
+    fbdfl_sqlite3_column_text(selectStatement, 0);
+    const unsigned char* key =
+    fbdfl_sqlite3_column_text(selectStatement, 1);
+    CFTimeInterval accessTime = 
+    fbdfl_sqlite3_column_double(selectStatement, 2);
+    NSUInteger fileSize = fbdfl_sqlite3_column_int(selectStatement, 3);
+    
+    FBCacheEntityInfo* entry = [[FBCacheEntityInfo alloc] 
+                                initWithKey:[NSString 
+                                             stringWithCString:(const char*)key 
+                                             encoding:NSUTF8StringEncoding] 
+                                uuid:[NSString 
+                                      stringWithCString:(const char*)uuidStr 
+                                      encoding:NSUTF8StringEncoding]
+                                accessTime:accessTime 
+                                fileSize:fileSize];
+    return [entry autorelease];
+}
+
+- (void)_fetchCurrentDiskUsage
+{
+    sqlite3_stmt* sizeStatement = nil;
+    initializeStatement(_database, &sizeStatement, selectStorageSizeQuery);
+    
+    CHECK_SQLITE(fbdfl_sqlite3_step(sizeStatement), SQLITE_ROW, _database);
+    _currentDiskUsage = fbdfl_sqlite3_column_int(sizeStatement, 0);    
+    releaseStatement(sizeStatement, _database);
+}
+
+- (FBCacheEntityInfo*)_entryForKey:(NSString*)key
+{
+    __block FBCacheEntityInfo *entryInfo = [_cachedEntries objectForKey:key];
+    if (entryInfo == nil) {
+        // TODO: This is really bad if higher layers are going to be
+        // multi-threaded.  And this has to be unblocked.
+        dispatch_sync(_databaseQueue, ^{
+            entryInfo = [self _readEntryFromDatabase:key];
+        });
+
+        if (entryInfo) {
+            [_cachedEntries setObject:entryInfo forKey:key];
+        }
+    }
+    
+    return entryInfo;
+}
+                                       
+- (void)_removeEntryFromDatabaseForKey:(NSString*)key
+{
+    initializeStatement(_database, &_removeByKeyStatement, deleteEntryQuery);
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_text(
+        _removeByKeyStatement, 
+        1, 
+        key.UTF8String, 
+        (int)key.length,
+        nil), _database);
+
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(_removeByKeyStatement), _database);
+}
+
+- (void)_dropTrimmingTable 
+{
+    sqlite3_stmt* trimCleanStatement = nil;
+    
+    static const char* trimDropQuery = "DROP TABLE IF EXISTS trimmed";
+    initializeStatement(_database, &trimCleanStatement, trimDropQuery);
+
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(trimCleanStatement), _database);
+    releaseStatement(trimCleanStatement, _database);
+}
+
+- (void)_flushOrphanedFiles
+{
+    // TODO: #1001434
+}
+
+// Trimming of cache entries based on LRU eviction policy. 
+// All the computations are done at the DB level, as follows:
+// - create a temporary table 'trimmed', which computes which records need 
+//   purging, based on access time and running total of file size 
+// - iterate over 'trimmed', clear in-memory cache, queue data files for 
+//   deletion on a background queue
+// - batch-remove these entries from the index
+// - drop the temporary 'trimmed' table.
+- (void)_trimDatabase
+{
+    NSAssert(_currentDiskUsage > _diskCapacity, @"");
+    if (_currentDiskUsage <= _diskCapacity) {
+        return;
+    }
+  
+    [self _dropTrimmingTable];
+    initializeStatement(_database, &_trimStatement, trimQuery);
+    CHECK_SQLITE_SUCCESS(fbdfl_sqlite3_bind_int(
+        _trimStatement, 
+        1, 
+        _currentDiskUsage - _diskCapacity * 0.8), _database);
+    
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(_trimStatement), _database);
+
+    // Need to re-prep this statement as it's bound to the temporary table 
+    // and can be stored between trims
+    static const char* trimSelectQuery = 
+        "SELECT uuid, key, file_size FROM trimmed";
+
+    sqlite3_stmt* trimSelectStatement = nil;
+    initializeStatement(
+        _database, 
+        &trimSelectStatement, 
+        trimSelectQuery);
+
+    NSUInteger spaceCleaned = 0;
+    while (fbdfl_sqlite3_step(trimSelectStatement) == SQLITE_ROW) {
+        const unsigned char* uuidStr = 
+            fbdfl_sqlite3_column_text(trimSelectStatement, 0);
+        const unsigned char* keyStr = 
+            fbdfl_sqlite3_column_text(trimSelectStatement, 1);
+        spaceCleaned += fbdfl_sqlite3_column_int(trimSelectStatement, 2);
+    
+        // Remove in-memory cache entry if present
+        NSString* key = [NSString 
+            stringWithCString:(const char*)keyStr 
+            encoding:NSUTF8StringEncoding];
+
+        NSString* uuid = [NSString
+            stringWithCString:(const char*)uuidStr
+            encoding:NSUTF8StringEncoding];
+        
+        FBCacheEntityInfo* entry = [_cachedEntries objectForKey:key];
+        entry.dirty = NO;
+        [_cachedEntries removeObjectForKey:key];
+    
+        // Delete the file
+        [self.delegate cacheIndex:self deleteFileWithName:uuid];
+    }
+    
+    releaseStatement(trimSelectStatement, _database);
+  
+    // Batch remove statement
+    sqlite3_stmt* trimCleanStatement = nil;
+    static const char* trimCleanQuery = 
+        "DELETE FROM cache_index WHERE key IN (SELECT key from trimmed)";
+
+    initializeStatement(_database, &trimCleanStatement, trimCleanQuery);
+    CHECK_SQLITE_DONE(fbdfl_sqlite3_step(trimCleanStatement), _database);
+    
+    releaseStatement(trimCleanStatement, _database);
+    trimCleanStatement = nil;
+
+    _currentDiskUsage -= spaceCleaned;
+    NSAssert(_currentDiskUsage <= _diskCapacity, @"");
+    
+    // Okay to drop the trimming table
+    [self _dropTrimmingTable];
+    [self _flushOrphanedFiles];
+}
+
+@end
+
+@implementation FBCacheEntityInfo
+
+@synthesize accessTime = _accessTime;
+@synthesize uuid = _uuid;
+@synthesize fileSize = _fileSize;
+@synthesize key = _key;
+@synthesize dirty = _dirty;
+
+#pragma mark - Lifecycle
+
+- (id)initWithKey:(NSString*)key 
+    uuid:(NSString*)uuid 
+    accessTime:(CFTimeInterval)accessTime 
+    fileSize:(NSUInteger)fileSize
+{
+    self = [super init];
+    if (self != nil) {
+        _key = [key copy];
+        _uuid = [uuid copy];
+        _accessTime = accessTime;
+        _fileSize = fileSize;
+    }
+    
+    return self;
+}
+
+- (void)dealloc {
+    [_uuid release];
+    [_key release];
+    [super dealloc];
+}
+
+- (void)registerAccess
+{
+    _accessTime = CFAbsoluteTimeGetCurrent();
+    _dirty = YES;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBConnect.h b/Vendor/facebook-ios-sdk/src/FBConnect.h
new file mode 100644
index 0000000..e4ae49d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBConnect.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include "Facebook.h"
+#include "FBDialog.h"
+#include "FBLoginDialog.h"
+#include "FBRequest.h"
diff --git a/Vendor/facebook-ios-sdk/src/FBDataDiskCache.h b/Vendor/facebook-ios-sdk/src/FBDataDiskCache.h
new file mode 100644
index 0000000..e38bc14
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDataDiskCache.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "FBSession.h"
+
+@class FBCacheIndex;
+
+// This is a Disk based cache used internally by Facebook SDK
+@interface FBDataDiskCache : NSObject
+{
+@private
+    NSCache* _inMemoryCache;
+    FBCacheIndex* _cacheIndex;
+    NSString* _dataCachePath;
+  
+    dispatch_queue_t _fileQueue;
+}
+
++ (FBDataDiskCache*)sharedCache;
+
+@property (nonatomic, assign) NSUInteger cacheSizeMemory;
+@property (nonatomic, readonly) dispatch_queue_t fileQueue;
+
+- (NSData*)dataForURL:(NSURL*)dataURL;
+- (void)setData:(NSData*)data forURL:(NSURL*)url;
+- (void)removeDataForUrl:(NSURL*)url;
+- (void)removeDataForSession:(FBSession*)session;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDataDiskCache.m b/Vendor/facebook-ios-sdk/src/FBDataDiskCache.m
new file mode 100644
index 0000000..1003e53
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDataDiskCache.m
@@ -0,0 +1,230 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "FBDataDiskCache.h"
+#import "FBCacheIndex.h"
+#import "FBAccessTokenData.h"
+
+static const NSUInteger kMaxDataInMemorySize = 1 * 1024 * 1024; // 1MB
+static const NSUInteger kMaxDiskCacheSize = 10 * 1024 * 1024; // 10MB
+
+static NSString* const kDataDiskCachePath = @"DataDiskCache";
+static NSString* const kCacheInfoFile = @"CacheInfo";
+static NSString *const kAccessTokenKey = @"access_token";
+
+@interface FBDataDiskCache() <FBCacheIndexFileDelegate>
+@property (nonatomic, copy) NSString* dataCachePath;
+@end
+
+@implementation FBDataDiskCache
+
+@synthesize dataCachePath = _dataCachePath;
+@synthesize fileQueue = _fileQueue;
+
+#pragma mark - Lifecycle
+
+- (id)init 
+{
+    self = [super init];
+    if (self) {
+        NSArray* cacheList = NSSearchPathForDirectoriesInDomains(
+            NSCachesDirectory, 
+            NSUserDomainMask, 
+            YES);
+        
+        NSString* cachePath = [cacheList objectAtIndex:0];
+        _dataCachePath = 
+            [[cachePath stringByAppendingPathComponent:kDataDiskCachePath] 
+                copy];
+        [[NSFileManager defaultManager] 
+            createDirectoryAtPath:_dataCachePath 
+            withIntermediateDirectories:YES 
+            attributes:nil 
+            error:nil];
+        
+        dispatch_queue_t bgPriQueue = 
+            dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0);
+        _fileQueue = dispatch_queue_create(
+            "File Cache Queue", 
+            DISPATCH_QUEUE_SERIAL);
+        dispatch_set_target_queue(_fileQueue, bgPriQueue);
+        
+        _cacheIndex = [[FBCacheIndex alloc] initWithCacheFolder:_dataCachePath];
+        _cacheIndex.diskCapacity = kMaxDiskCacheSize;
+        _cacheIndex.delegate = self;
+
+        _inMemoryCache = [[NSCache alloc] init];
+        _inMemoryCache.totalCostLimit = kMaxDataInMemorySize;
+    }
+  
+    return self;
+}
+
+- (void)dealloc 
+{
+    if (_fileQueue) {
+        dispatch_release(_fileQueue);
+    }
+    if (_cacheIndex) {
+        _cacheIndex.delegate = nil;
+        [_cacheIndex release];
+    }
+    [_dataCachePath release];
+    [_inMemoryCache release];
+    [super dealloc];
+}
+
++ (FBDataDiskCache*)sharedCache
+{
+    static FBDataDiskCache* _instance;
+    static dispatch_once_t onceToken;
+
+    dispatch_once(&onceToken, ^{
+        _instance = [[FBDataDiskCache alloc] init];
+    });
+  
+    return _instance;
+}
+
+#pragma mark - Properties
+
+- (NSUInteger)cacheSizeMemory
+{
+    return _inMemoryCache.totalCostLimit;
+}
+
+- (void)setCacheSizeMemory:(NSUInteger)cacheSizeMemory
+{
+    _inMemoryCache.totalCostLimit = cacheSizeMemory;
+}
+
+#pragma mark - FBCacheIndexFileDelegate
+
+- (void) cacheIndex:(FBCacheIndex*)cacheIndex
+    writeFileWithName:(NSString*)name 
+    data:(NSData*)data
+{
+    NSString* filePath = [_dataCachePath stringByAppendingPathComponent:name];
+    dispatch_async(_fileQueue, ^{
+        [data writeToFile:filePath atomically:YES];
+    });
+}
+
+- (void) cacheIndex:(FBCacheIndex*)cacheIndex
+    deleteFileWithName:(NSString*)name
+{
+    NSString* filePath = [_dataCachePath stringByAppendingPathComponent:name];
+    dispatch_async(_fileQueue, ^{
+        [[NSFileManager defaultManager] 
+            removeItemAtPath:filePath
+            error:nil];
+    });
+}
+
+#pragma mark - Other Methods
+
+- (BOOL)_doesFileExist:(NSString*)name
+{
+    NSString* filePath = [_dataCachePath stringByAppendingPathComponent:name];
+    return [[NSFileManager defaultManager] fileExistsAtPath:filePath];
+}
+
+- (NSData*)dataForURL:(NSURL*)dataURL
+{
+    // TODO: Synchronize this across threads
+    NSData* data = nil;
+    @try {
+        data = (NSData*)[_inMemoryCache objectForKey:dataURL];
+        NSString* fileName = 
+            [_cacheIndex fileNameForKey:dataURL.absoluteString];
+
+        if (data == nil && fileName != nil) {
+            // Not in-memory, on-disk only, read in
+            if ([self _doesFileExist:fileName]) {
+                NSString* cachePath = 
+                    [_dataCachePath stringByAppendingPathComponent:fileName];
+
+                data = [NSData
+                    dataWithContentsOfFile:cachePath
+                    options:NSDataReadingMappedAlways | NSDataReadingUncached  
+                    error:nil];
+
+                if (data) {
+                    // It is possible that the file doesn't exist
+                    [_inMemoryCache 
+                        setObject:data 
+                        forKey:dataURL 
+                        cost:data.length];
+                }
+            }
+        }
+    } @catch (NSException* exception) {
+        NSLog(@"FBDiskCache error: %@", exception.reason);
+    } @finally {
+        return data;
+    }
+}
+
+- (void)removeDataForUrl:(NSURL*)url
+{
+    // TODO: Synchronize this across threads
+    @try {
+        [_inMemoryCache removeObjectForKey:url];
+        [_cacheIndex removeEntryForKey:url.absoluteString];
+    } @catch (NSException* exception) {
+        NSLog(@"FBDiskCache error: %@", exception.reason);
+    }
+}
+
+- (void)removeDataForSession:(FBSession*)session
+{
+    if (session == nil) {
+        return;
+    }
+    
+    // Here we are removing all cache entries that don't have session context
+    // These are things like images and the like. The thorough way would
+    // be to maintain refCounts of these entries associated with accessTokens
+    // and use that to decide which images to delete. However, this might be
+    // overkill for a cache. Maybe revisit later?
+    [_cacheIndex removeEntries:kAccessTokenKey excludingFragment:YES];
+
+    NSString* accessToken = session.accessTokenData.accessToken;
+    if (accessToken != nil) {
+        // Here we are removing all cache entries that have this session's access
+        // token in the url.
+        [_cacheIndex removeEntries:accessToken excludingFragment:NO];
+    }
+}
+
+- (void)setData:(NSData*)data forURL:(NSURL*)url
+{
+    // TODO: Synchronize this across threads
+    @try {
+        [_cacheIndex 
+            storeFileForKey:url.absoluteString 
+            withData:data];
+
+        [_inMemoryCache 
+            setObject:data 
+            forKey:url 
+            cost:data.length];
+    } @catch (NSException* exception) {
+        NSLog(@"FBDiskCache error: %@", exception.reason);
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialog.h b/Vendor/facebook-ios-sdk/src/FBDialog.h
new file mode 100644
index 0000000..8f5b3a4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialog.h
@@ -0,0 +1,165 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+@protocol FBDialogDelegate;
+@class FBFrictionlessRequestSettings;
+
+/**
+ * Do not use this interface directly, instead, use dialog in Facebook.h
+ *
+ * Facebook dialog interface for start the facebook webView UIServer Dialog.
+ */
+
+@interface FBDialog : UIView <UIWebViewDelegate> {
+    id<FBDialogDelegate> _delegate;
+    NSMutableDictionary *_params;
+    NSString * _serverURL;
+    NSURL* _loadingURL;
+    UIWebView* _webView;
+    UIActivityIndicatorView* _spinner;
+    UIButton* _closeButton;
+    UIInterfaceOrientation _orientation;
+    BOOL _showingKeyboard;
+    BOOL _isViewInvisible;
+    FBFrictionlessRequestSettings* _frictionlessSettings;
+    
+    // Ensures that UI elements behind the dialog are disabled.
+    UIView* _modalBackgroundView;
+}
+
+/**
+ * The delegate.
+ */
+@property(nonatomic,assign) id<FBDialogDelegate> delegate;
+
+/**
+ * The parameters.
+ */
+@property(nonatomic, retain) NSMutableDictionary* params;
+
+- (NSString *) getStringFromUrl: (NSString*) url needle:(NSString *) needle;
+
+- (id)initWithURL: (NSString *) loadingURL
+           params: (NSMutableDictionary *) params
+  isViewInvisible: (BOOL) isViewInvisible
+    frictionlessSettings: (FBFrictionlessRequestSettings *) frictionlessSettings
+         delegate: (id <FBDialogDelegate>) delegate;
+
+/**
+ * Displays the view with an animation.
+ *
+ * The view will be added to the top of the current key window.
+ */
+- (void)show;
+
+/**
+ * Displays the first page of the dialog.
+ *
+ * Do not ever call this directly.  It is intended to be overriden by subclasses.
+ */
+- (void)load;
+
+/**
+ * Displays a URL in the dialog.
+ */
+- (void)loadURL:(NSString*)url
+            get:(NSDictionary*)getParams;
+
+/**
+ * Hides the view and notifies delegates of success or cancellation.
+ */
+- (void)dismissWithSuccess:(BOOL)success animated:(BOOL)animated;
+
+/**
+ * Hides the view and notifies delegates of an error.
+ */
+- (void)dismissWithError:(NSError*)error animated:(BOOL)animated;
+
+/**
+ * Subclasses may override to perform actions just prior to showing the dialog.
+ */
+- (void)dialogWillAppear;
+
+/**
+ * Subclasses may override to perform actions just after the dialog is hidden.
+ */
+- (void)dialogWillDisappear;
+
+/**
+ * Subclasses should override to process data returned from the server in a 'fbconnect' url.
+ *
+ * Implementations must call dismissWithSuccess:YES at some point to hide the dialog.
+ */
+- (void)dialogDidSucceed:(NSURL *)url;
+
+/**
+ * Subclasses should override to process data returned from the server in a 'fbconnect' url.
+ *
+ * Implementations must call dismissWithSuccess:YES at some point to hide the dialog.
+ */
+- (void)dialogDidCancel:(NSURL *)url;
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+/*
+ *Your application should implement this delegate
+ */
+@protocol FBDialogDelegate <NSObject>
+
+@optional
+
+/**
+ * Called when the dialog succeeds and is about to be dismissed.
+ */
+- (void)dialogDidComplete:(FBDialog *)dialog;
+
+/**
+ * Called when the dialog succeeds with a returning url.
+ */
+- (void)dialogCompleteWithUrl:(NSURL *)url;
+
+/**
+ * Called when the dialog get canceled by the user.
+ */
+- (void)dialogDidNotCompleteWithUrl:(NSURL *)url;
+
+/**
+ * Called when the dialog is cancelled and is about to be dismissed.
+ */
+- (void)dialogDidNotComplete:(FBDialog *)dialog;
+
+/**
+ * Called when dialog failed to load due to an error.
+ */
+- (void)dialog:(FBDialog*)dialog didFailWithError:(NSError *)error;
+
+/**
+ * Asks if a link touched by a user should be opened in an external browser.
+ *
+ * If a user touches a link, the default behavior is to open the link in the Safari browser,
+ * which will cause your app to quit.  You may want to prevent this from happening, open the link
+ * in your own internal browser, or perhaps warn the user that they are about to leave your app.
+ * If so, implement this method on your delegate and return NO.  If you warn the user, you
+ * should hold onto the URL and once you have received their acknowledgement open the URL yourself
+ * using [[UIApplication sharedApplication] openURL:].
+ */
+- (BOOL)dialog:(FBDialog*)dialog shouldOpenURLInExternalBrowser:(NSURL *)url;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialog.m b/Vendor/facebook-ios-sdk/src/FBDialog.m
new file mode 100644
index 0000000..f20e290
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialog.m
@@ -0,0 +1,715 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialog.h"
+#import "Facebook.h"
+#import "FBFrictionlessRequestSettings.h"
+#import "FBUtility.h"
+#import "FBDialogClosePNG.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// global
+
+static CGFloat kBorderGray[4] = {0.3, 0.3, 0.3, 0.8};
+static CGFloat kBorderBlack[4] = {0.3, 0.3, 0.3, 1};
+
+static CGFloat kTransitionDuration = 0.3;
+
+static CGFloat kPadding = 0;
+static CGFloat kBorderWidth = 10;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+static BOOL FBIsDeviceIPad() {
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 30200
+    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+        return YES;
+    }
+#endif
+    return NO;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation FBDialog {
+    BOOL _everShown;
+}
+
+@synthesize delegate = _delegate,
+params   = _params;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// private
+
+- (void)addRoundedRectToPath:(CGContextRef)context rect:(CGRect)rect radius:(float)radius {
+    CGContextBeginPath(context);
+    CGContextSaveGState(context);
+    
+    if (radius == 0) {
+        CGContextTranslateCTM(context, CGRectGetMinX(rect), CGRectGetMinY(rect));
+        CGContextAddRect(context, rect);
+    } else {
+        rect = CGRectOffset(CGRectInset(rect, 0.5, 0.5), 0.5, 0.5);
+        CGContextTranslateCTM(context, CGRectGetMinX(rect)-0.5, CGRectGetMinY(rect)-0.5);
+        CGContextScaleCTM(context, radius, radius);
+        float fw = CGRectGetWidth(rect) / radius;
+        float fh = CGRectGetHeight(rect) / radius;
+        
+        CGContextMoveToPoint(context, fw, fh/2);
+        CGContextAddArcToPoint(context, fw, fh, fw/2, fh, 1);
+        CGContextAddArcToPoint(context, 0, fh, 0, fh/2, 1);
+        CGContextAddArcToPoint(context, 0, 0, fw/2, 0, 1);
+        CGContextAddArcToPoint(context, fw, 0, fw, fh/2, 1);
+    }
+    
+    CGContextClosePath(context);
+    CGContextRestoreGState(context);
+}
+
+- (void)drawRect:(CGRect)rect fill:(const CGFloat*)fillColors radius:(CGFloat)radius {
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
+    
+    if (fillColors) {
+        CGContextSaveGState(context);
+        CGContextSetFillColor(context, fillColors);
+        if (radius) {
+            [self addRoundedRectToPath:context rect:rect radius:radius];
+            CGContextFillPath(context);
+        } else {
+            CGContextFillRect(context, rect);
+        }
+        CGContextRestoreGState(context);
+    }
+    
+    CGColorSpaceRelease(space);
+}
+
+- (void)strokeLines:(CGRect)rect stroke:(const CGFloat*)strokeColor {
+    CGContextRef context = UIGraphicsGetCurrentContext();
+    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
+    
+    CGContextSaveGState(context);
+    CGContextSetStrokeColorSpace(context, space);
+    CGContextSetStrokeColor(context, strokeColor);
+    CGContextSetLineWidth(context, 1.0);
+    
+    {
+        CGPoint points[] = {{rect.origin.x+0.5, rect.origin.y-0.5},
+            {rect.origin.x+rect.size.width, rect.origin.y-0.5}};
+        CGContextStrokeLineSegments(context, points, 2);
+    }
+    {
+        CGPoint points[] = {{rect.origin.x+0.5, rect.origin.y+rect.size.height-0.5},
+            {rect.origin.x+rect.size.width-0.5, rect.origin.y+rect.size.height-0.5}};
+        CGContextStrokeLineSegments(context, points, 2);
+    }
+    {
+        CGPoint points[] = {{rect.origin.x+rect.size.width-0.5, rect.origin.y},
+            {rect.origin.x+rect.size.width-0.5, rect.origin.y+rect.size.height}};
+        CGContextStrokeLineSegments(context, points, 2);
+    }
+    {
+        CGPoint points[] = {{rect.origin.x+0.5, rect.origin.y},
+            {rect.origin.x+0.5, rect.origin.y+rect.size.height}};
+        CGContextStrokeLineSegments(context, points, 2);
+    }
+    
+    CGContextRestoreGState(context);
+    
+    CGColorSpaceRelease(space);
+}
+
+- (BOOL)shouldRotateToOrientation:(UIInterfaceOrientation)orientation {
+    if (orientation == _orientation) {
+        return NO;
+    } else {
+        return orientation == UIInterfaceOrientationPortrait
+        || orientation == UIInterfaceOrientationPortraitUpsideDown
+        || orientation == UIInterfaceOrientationLandscapeLeft
+        || orientation == UIInterfaceOrientationLandscapeRight;
+    }
+}
+
+- (CGAffineTransform)transformForOrientation {
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if (orientation == UIInterfaceOrientationLandscapeLeft) {
+        return CGAffineTransformMakeRotation(M_PI*1.5);
+    } else if (orientation == UIInterfaceOrientationLandscapeRight) {
+        return CGAffineTransformMakeRotation(M_PI/2);
+    } else if (orientation == UIInterfaceOrientationPortraitUpsideDown) {
+        return CGAffineTransformMakeRotation(-M_PI);
+    } else {
+        return CGAffineTransformIdentity;
+    }
+}
+
+- (void)sizeToFitOrientation:(BOOL)transform {
+    if (transform) {
+        self.transform = CGAffineTransformIdentity;
+    }
+    
+    CGRect frame = [UIScreen mainScreen].applicationFrame;
+    CGPoint center = CGPointMake(
+                                 frame.origin.x + ceil(frame.size.width/2),
+                                 frame.origin.y + ceil(frame.size.height/2));
+    
+    CGFloat scale_factor = 1.0f;
+    if (FBIsDeviceIPad()) {
+        // On the iPad the dialog's dimensions should only be 60% of the screen's
+        scale_factor = 0.6f;
+    }
+    
+    CGFloat width = floor(scale_factor * frame.size.width) - kPadding * 2;
+    CGFloat height = floor(scale_factor * frame.size.height) - kPadding * 2;
+    
+    _orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if (UIInterfaceOrientationIsLandscape(_orientation)) {
+        self.frame = CGRectMake(kPadding, kPadding, height, width);
+    } else {
+        self.frame = CGRectMake(kPadding, kPadding, width, height);
+    }
+    self.center = center;
+    
+    if (transform) {
+        self.transform = [self transformForOrientation];
+    }
+}
+
+- (void)updateWebOrientation {
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if (UIInterfaceOrientationIsLandscape(orientation)) {
+        [_webView stringByEvaluatingJavaScriptFromString:
+         @"document.body.setAttribute('orientation', 90);"];
+    } else {
+        [_webView stringByEvaluatingJavaScriptFromString:
+         @"document.body.removeAttribute('orientation');"];
+    }
+}
+
+- (void)bounce1AnimationStopped {
+    [UIView beginAnimations:nil context:nil];
+    [UIView setAnimationDuration:kTransitionDuration/2];
+    [UIView setAnimationDelegate:self];
+    [UIView setAnimationDidStopSelector:@selector(bounce2AnimationStopped)];
+    self.transform = CGAffineTransformScale([self transformForOrientation], 0.9, 0.9);
+    [UIView commitAnimations];
+}
+
+- (void)bounce2AnimationStopped {
+    [UIView beginAnimations:nil context:nil];
+    [UIView setAnimationDuration:kTransitionDuration/2];
+    self.transform = [self transformForOrientation];
+    [UIView commitAnimations];
+}
+
+- (NSURL*)generateURL:(NSString*)baseURL params:(NSDictionary*)params {
+    if (params) {
+        NSMutableArray* pairs = [NSMutableArray array];
+        for (NSString* key in params.keyEnumerator) {
+            NSString* value = [params objectForKey:key];
+            NSString* escaped_value = [FBUtility stringByURLEncodingString:value];
+            [pairs addObject:[NSString stringWithFormat:@"%@=%@", key, escaped_value]];
+        }
+        
+        NSString* query = [pairs componentsJoinedByString:@"&"];
+        NSString* url = [NSString stringWithFormat:@"%@?%@", baseURL, query];
+        return [NSURL URLWithString:url];
+    } else {
+        return [NSURL URLWithString:baseURL];
+    }
+}
+
+- (void)addObservers {
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(deviceOrientationDidChange:)
+                                                 name:@"UIDeviceOrientationDidChangeNotification" object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(keyboardWillShow:) name:@"UIKeyboardWillShowNotification" object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(keyboardWillHide:) name:@"UIKeyboardWillHideNotification" object:nil];
+}
+
+- (void)removeObservers {
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:@"UIDeviceOrientationDidChangeNotification" object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:@"UIKeyboardWillShowNotification" object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:@"UIKeyboardWillHideNotification" object:nil];
+}
+
+- (void)postDismissCleanup {
+    [self removeObservers];
+    [self removeFromSuperview];
+    [_modalBackgroundView removeFromSuperview];
+    
+    // this method call could cause a self-cleanup, and needs to really happen "last"
+    // If the dialog has been closed, then we need to cancel the order to open it.
+    // This happens in the case of a frictionless request, see webViewDidFinishLoad for details
+    [NSObject cancelPreviousPerformRequestsWithTarget:self
+                                             selector:@selector(showWebView)
+                                               object:nil];
+}
+
+- (void)dismiss:(BOOL)animated {
+    [self dialogWillDisappear];
+
+    [_loadingURL release];
+    _loadingURL = nil;
+    
+    if (animated && _everShown) {
+        [UIView beginAnimations:nil context:nil];
+        [UIView setAnimationDuration:kTransitionDuration];
+        [UIView setAnimationDelegate:self];
+        [UIView setAnimationDidStopSelector:@selector(postDismissCleanup)];
+        self.alpha = 0;
+        [UIView commitAnimations];
+    } else {
+        [self postDismissCleanup];
+    }
+}
+
+- (void)cancel {
+    [self dialogDidCancel:nil];
+}
+
+- (BOOL)testBoolUrlParam:(NSURL *)url param:(NSString *)param {
+    NSString *paramVal = [self getStringFromUrl: [url absoluteString] 
+                                         needle: param];
+    return [paramVal boolValue];
+}
+
+- (void)dialogSuccessHandleFrictionlessResponses:(NSURL *)url {
+    // did we receive a recipient list?
+    NSString *recipientJson = [self getStringFromUrl:[url absoluteString]
+                                              needle:@"frictionless_recipients="];
+    if (recipientJson) {
+        // if value parses as an array, treat as set of fbids
+        id recipients = [FBUtility simpleJSONDecode:recipientJson];
+        
+        // if we got something usable, copy the ids out and update the cache
+        if ([recipients isKindOfClass:[NSArray class]]) { 
+            NSMutableArray *ids = [[[NSMutableArray alloc]
+                                    initWithCapacity:[recipients count]]
+                                   autorelease];
+            for (id recipient in recipients) {
+                NSString *fbid = [NSString stringWithFormat:@"%@", recipient];
+                [ids addObject:fbid];
+            }
+            // we may be tempted to terminate outstanding requests before this
+            // point, but that would cause problems if the user cancelled a dialog
+            [_frictionlessSettings updateRecipientCacheWithRecipients:ids];
+        }
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// NSObject
+
+- (id)init {
+    if ((self = [super initWithFrame:CGRectZero])) {
+        _delegate = nil;
+        _loadingURL = nil;
+        _showingKeyboard = NO;
+        _everShown = NO;
+        
+        self.backgroundColor = [UIColor clearColor];
+        self.autoresizesSubviews = YES;
+        self.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        self.contentMode = UIViewContentModeRedraw;
+        
+        _webView = [[UIWebView alloc] initWithFrame:CGRectMake(kPadding, kPadding, 480, 480)];
+        _webView.delegate = self;
+        _webView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        [self addSubview:_webView];
+        
+        UIImage* closeImage = [FBDialogClosePNG image];
+        
+        UIColor* color = [UIColor colorWithRed:167.0/255 green:184.0/255 blue:216.0/255 alpha:1];
+        _closeButton = [[UIButton buttonWithType:UIButtonTypeCustom] retain];
+        [_closeButton setImage:closeImage forState:UIControlStateNormal];
+        [_closeButton setTitleColor:color forState:UIControlStateNormal];
+        [_closeButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
+        [_closeButton addTarget:self action:@selector(cancel)
+               forControlEvents:UIControlEventTouchUpInside];
+        
+        // To be compatible with OS 2.x
+#if __IPHONE_OS_VERSION_MAX_ALLOWED <= __IPHONE_2_2
+        _closeButton.font = [UIFont boldSystemFontOfSize:12];
+#else
+        _closeButton.titleLabel.font = [UIFont boldSystemFontOfSize:12];
+#endif
+        
+        _closeButton.showsTouchWhenHighlighted = YES;
+        _closeButton.autoresizingMask = UIViewAutoresizingFlexibleRightMargin
+        | UIViewAutoresizingFlexibleBottomMargin;
+        [self addSubview:_closeButton];
+        
+        _spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:
+                    UIActivityIndicatorViewStyleWhiteLarge];
+        if ([_spinner respondsToSelector:@selector(setColor:)]) {
+            [_spinner setColor:[UIColor grayColor]];
+        } else {
+            [_spinner setActivityIndicatorViewStyle:UIActivityIndicatorViewStyleGray];
+        }
+        _spinner.autoresizingMask =
+        UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin
+        | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
+        [self addSubview:_spinner];
+        _modalBackgroundView = [[UIView alloc] init];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    _webView.delegate = nil;
+    [_webView release];
+    [_params release];
+    [_serverURL release];
+    [_spinner release];
+    [_closeButton release];
+    [_loadingURL release];
+    [_modalBackgroundView release];
+    [_frictionlessSettings release];
+    [super dealloc];
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// UIView
+
+- (void)drawRect:(CGRect)rect {
+    [self drawRect:rect fill:kBorderGray radius:0];
+    
+    CGRect webRect = CGRectMake(
+                                ceil(rect.origin.x + kBorderWidth), ceil(rect.origin.y + kBorderWidth)+1,
+                                rect.size.width - kBorderWidth*2, _webView.frame.size.height+1);
+    
+    [self strokeLines:webRect stroke:kBorderBlack];
+}
+
+// Display the dialog's WebView with a slick pop-up animation	
+- (void)showWebView {	
+    UIWindow* window = [UIApplication sharedApplication].keyWindow;	
+    if (window.windowLevel != UIWindowLevelNormal) {
+        for(window in [UIApplication sharedApplication].windows) {
+            if (window.windowLevel == UIWindowLevelNormal)
+                break;
+        }
+    }
+    _modalBackgroundView.frame = window.frame;
+    [_modalBackgroundView addSubview:self];
+    [window addSubview:_modalBackgroundView];	
+    
+    self.transform = CGAffineTransformScale([self transformForOrientation], 0.001, 0.001);	
+    [UIView beginAnimations:nil context:nil];	
+    [UIView setAnimationDuration:kTransitionDuration/1.5];	
+    [UIView setAnimationDelegate:self];	
+    [UIView setAnimationDidStopSelector:@selector(bounce1AnimationStopped)];	
+    self.transform = CGAffineTransformScale([self transformForOrientation], 1.1, 1.1);	
+    [UIView commitAnimations];	
+  
+    _everShown = YES;
+    [self dialogWillAppear];
+    [self addObservers];	
+}	
+
+// Show a spinner during the loading time for the dialog. This is designed to show	
+// on top of the webview but before the contents have loaded.	
+- (void)showSpinner {	
+    [_spinner sizeToFit];	
+    [_spinner startAnimating];	
+    _spinner.center = _webView.center;	
+}	
+
+- (void)hideSpinner {	
+    [_spinner stopAnimating];	
+    _spinner.hidden = YES;	
+}	
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// UIWebViewDelegate
+
+- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request
+ navigationType:(UIWebViewNavigationType)navigationType {
+    NSURL* url = request.URL;
+    
+    if ([url.scheme isEqualToString:@"fbconnect"]) {
+        if ([[url.resourceSpecifier substringToIndex:8] isEqualToString:@"//cancel"]) {
+            NSString * errorCode = [self getStringFromUrl:[url absoluteString] needle:@"error_code="];
+            NSString * errorStr = [self getStringFromUrl:[url absoluteString] needle:@"error_msg="];
+            if (errorCode) {
+                NSDictionary * errorData = [NSDictionary dictionaryWithObject:errorStr forKey:@"error_msg"];
+                NSError * error = [NSError errorWithDomain:@"facebookErrDomain"
+                                                      code:[errorCode intValue]
+                                                  userInfo:errorData];
+                [self dismissWithError:error animated:YES];
+            } else {
+                [self dialogDidCancel:url];
+            }
+        } else {
+            if (_frictionlessSettings.enabled) {
+                [self dialogSuccessHandleFrictionlessResponses:url];
+            }
+            [self dialogDidSucceed:url];
+        }
+        return NO;
+    } else if ([_loadingURL isEqual:url]) {
+        return YES;
+    } else if (navigationType == UIWebViewNavigationTypeLinkClicked) {
+        if ([_delegate respondsToSelector:@selector(dialog:shouldOpenURLInExternalBrowser:)]) {
+            if (![_delegate dialog:self shouldOpenURLInExternalBrowser:url]) {
+                return NO;
+            }
+        }
+        
+        [[UIApplication sharedApplication] openURL:request.URL];
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (void)webViewDidFinishLoad:(UIWebView *)webView {
+    if (_isViewInvisible) {
+        // if our cache asks us to hide the view, then we do, but
+        // in case of a stale cache, we will display the view in a moment
+        // note that showing the view now would cause a visible white
+        // flash in the common case where the cache is up to date
+        [self performSelector:@selector(showWebView) withObject:nil afterDelay:.05]; 	
+    } else {
+        [self hideSpinner];	
+    }
+    [self updateWebOrientation];
+}
+
+- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
+    // 102 == WebKitErrorFrameLoadInterruptedByPolicyChange
+    // -999 == "Operation could not be completed", note -999 occurs when the user clicks away before
+    // the page has completely loaded, if we find cases where we want this to result in dialog failure
+    // (usually this just means quick-user), then we should add something more robust here to account
+    // for differences in application needs
+    if (!(([error.domain isEqualToString:@"NSURLErrorDomain"] && error.code == -999) ||
+          ([error.domain isEqualToString:@"WebKitErrorDomain"] && error.code == 102))) {
+        [self dismissWithError:error animated:YES];
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// UIDeviceOrientationDidChangeNotification
+
+- (void)deviceOrientationDidChange:(void*)object {
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if ([self shouldRotateToOrientation:orientation]) {
+        [self updateWebOrientation];
+        
+        CGFloat duration = [UIApplication sharedApplication].statusBarOrientationAnimationDuration;
+        [UIView beginAnimations:nil context:nil];
+        [UIView setAnimationDuration:duration];
+        [self sizeToFitOrientation:YES];
+        [UIView commitAnimations];
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// UIKeyboardNotifications
+
+- (void)keyboardWillShow:(NSNotification*)notification {
+    
+    _showingKeyboard = YES;
+    
+    if (FBIsDeviceIPad()) {
+        // On the iPad the screen is large enough that we don't need to
+        // resize the dialog to accomodate the keyboard popping up
+        return;
+    }
+    
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if (UIInterfaceOrientationIsLandscape(orientation)) {
+        _webView.frame = CGRectInset(_webView.frame,
+                                     -(kPadding + kBorderWidth),
+                                     -(kPadding + kBorderWidth));
+    }
+}
+
+- (void)keyboardWillHide:(NSNotification*)notification {
+    _showingKeyboard = NO;
+    
+    if (FBIsDeviceIPad()) {
+        return;
+    }
+    UIInterfaceOrientation orientation = [UIApplication sharedApplication].statusBarOrientation;
+    if (UIInterfaceOrientationIsLandscape(orientation)) {
+        _webView.frame = CGRectInset(_webView.frame,
+                                     kPadding + kBorderWidth,
+                                     kPadding + kBorderWidth);
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////
+// public
+
+/**
+ * Find a specific parameter from the url
+ */
+- (NSString *) getStringFromUrl: (NSString*) url needle:(NSString *) needle {
+    NSString * str = nil;
+    NSRange start = [url rangeOfString:needle];
+    if (start.location != NSNotFound) {
+        // confirm that the parameter is not a partial name match
+        unichar c = '?';
+        if (start.location != 0) {
+            c = [url characterAtIndex:start.location - 1];
+        }
+        if (c == '?' || c == '&' || c == '#') {        
+            NSRange end = [[url substringFromIndex:start.location+start.length] rangeOfString:@"&"];
+            NSUInteger offset = start.location+start.length;
+            str = end.location == NSNotFound ?
+                [url substringFromIndex:offset] : 
+                [url substringWithRange:NSMakeRange(offset, end.location)];
+            str = [str stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        }
+    }    
+    return str;
+}
+
+- (id)initWithURL: (NSString *) serverURL
+           params: (NSMutableDictionary *) params
+  isViewInvisible: (BOOL)isViewInvisible
+     frictionlessSettings: (FBFrictionlessRequestSettings*) frictionlessSettings
+         delegate: (id <FBDialogDelegate>) delegate {
+    
+    self = [self init];
+    _serverURL = [serverURL retain];
+    _params = [params retain];    
+    _delegate = delegate;
+    _isViewInvisible = isViewInvisible;
+    _frictionlessSettings = [frictionlessSettings retain];
+    
+    return self;
+}
+
+- (void)load {
+    [self loadURL:_serverURL get:_params];
+}
+
+- (void)loadURL:(NSString*)url get:(NSDictionary*)getParams {
+
+    [_loadingURL release];
+    _loadingURL = [[self generateURL:url params:getParams] retain];
+    NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:_loadingURL];
+    
+    [_webView loadRequest:request];
+}
+
+- (void)show {
+    [self load];
+    [self sizeToFitOrientation:NO];
+    
+    CGFloat innerWidth = self.frame.size.width - (kBorderWidth+1)*2;
+    [_closeButton sizeToFit];
+    
+    _closeButton.frame = CGRectMake(
+                                    2,
+                                    2,
+                                    29,
+                                    29);
+    
+    _webView.frame = CGRectMake(
+                                kBorderWidth+1,
+                                kBorderWidth+1,
+                                innerWidth,
+                                self.frame.size.height - (1 + kBorderWidth*2));
+    
+    if (!_isViewInvisible) {	
+        [self showSpinner];	
+        [self showWebView];
+    }
+}
+
+- (void)dismissWithSuccess:(BOOL)success animated:(BOOL)animated {
+    // retain self for the life of this method, in case we are released by a client
+    id me = [self retain];
+    
+    @try {
+        if (success) {
+            if ([_delegate respondsToSelector:@selector(dialogDidComplete:)]) {
+                [_delegate dialogDidComplete:self];
+            }
+        } else {
+            if ([_delegate respondsToSelector:@selector(dialogDidNotComplete:)]) {
+                [_delegate dialogDidNotComplete:self];
+            }
+        }
+        
+        [self dismiss:animated];
+    } @finally {
+        [me release];
+    }
+}
+
+- (void)dismissWithError:(NSError*)error animated:(BOOL)animated {
+    // retain self for the life of this method, in case we are released by a client
+    id me = [self retain];
+    
+    @try {
+        if ([_delegate respondsToSelector:@selector(dialog:didFailWithError:)]) {
+            [_delegate dialog:self didFailWithError:error];
+        }
+        
+        [self dismiss:animated];
+    } @finally {
+        [me release];
+    }
+}
+
+- (void)dialogWillAppear {
+}
+
+- (void)dialogWillDisappear {
+}
+
+- (void)dialogDidSucceed:(NSURL *)url {
+    // retain self for the life of this method, in case we are released by a client
+    id me = [self retain];
+    
+    @try {
+        // call into client code
+        if ([_delegate respondsToSelector:@selector(dialogCompleteWithUrl:)]) {
+            [_delegate dialogCompleteWithUrl:url];
+        }
+        
+        [self dismissWithSuccess:YES animated:YES];
+    } @finally {
+        [me release];
+    }
+}
+
+- (void)dialogDidCancel:(NSURL *)url {
+    // retain self for the life of this method, in case we are released by a client
+    id me = [self retain];
+    
+    @try {
+        if ([_delegate respondsToSelector:@selector(dialogDidNotCompleteWithUrl:)]) {
+            [_delegate dialogDidNotCompleteWithUrl:url];
+        }
+        [self dismissWithSuccess:NO animated:YES];
+    } @finally {
+        [me release];
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogs+Internal.h b/Vendor/facebook-ios-sdk/src/FBDialogs+Internal.h
new file mode 100644
index 0000000..b27f8d8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogs+Internal.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialogs.h"
+#import "FBLoginDialogParams.h"
+
+@interface FBDialogs (Internal)
+
+/*!
+ @abstract
+ Determines whether the corresponding presentFBLoginDialogWithParams:clientState:handler:
+ is supported by the installed version of the Facebook app for iOS.
+ */
++ (BOOL)canPresentLoginDialogWithParams:(FBLoginDialogParams *)params;
+
+/*!
+ @abstract
+ Switches to the native Facebook App and shows the login dialog for the requested login params
+ 
+ @param params Params for the native Login dialog
+
+ @param clientState An NSDictionary that's passed through when the completion handler
+ is called. This is useful for the app to maintain state. May be nil.
+ 
+ @param handler A completion handler that may be called when the login is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresentFBLoginDialogWithParams method is also returning YES for the same params.
+*/
++ (FBAppCall *)presentLoginDialogWithParams:(FBLoginDialogParams *)params
+                                    clientState:(NSDictionary *)clientState
+                                        handler:(FBDialogAppCallCompletionHandler)handler;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogs.h b/Vendor/facebook-ios-sdk/src/FBDialogs.h
new file mode 100644
index 0000000..e407962
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogs.h
@@ -0,0 +1,491 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBAppCall.h"
+#import "FBShareDialogParams.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+
+@class FBSession;
+@protocol FBOpenGraphAction;
+
+/*!
+ @typedef FBNativeDialogResult enum
+ 
+ @abstract
+ Passed to a handler to indicate the result of a dialog being displayed to the user.
+ */
+typedef enum {
+    /*! Indicates that the dialog action completed successfully. */
+    FBOSIntegratedShareDialogResultSucceeded = 0,
+    /*! Indicates that the dialog action was cancelled (either by the user or the system). */
+    FBOSIntegratedShareDialogResultCancelled = 1,
+    /*! Indicates that the dialog could not be shown (because not on ios6 or ios6 auth was not used). */
+    FBOSIntegratedShareDialogResultError = 2
+} FBOSIntegratedShareDialogResult;
+
+/*!
+ @typedef
+ 
+ @abstract Defines a handler that will be called in response to the native share dialog
+ being displayed.
+ */
+typedef void (^FBOSIntegratedShareDialogHandler)(FBOSIntegratedShareDialogResult result, NSError *error);
+
+/*!
+ @typedef FBDialogAppCallCompletionHandler
+ 
+ @abstract
+ A block that when passed to a method in FBDialogs is called back
+ with the results of the AppCall for that dialog.
+ 
+ @discussion
+ This will be called on the UI thread, once the AppCall completes.
+ 
+ @param call      The `FBAppCall` that was completed.
+ 
+ @param results     The results of the AppCall for the dialog. This parameters is present
+ purely for convenience, and is the exact same value as call.dialogData.results.
+ 
+ @param error       The `NSError` representing any error that occurred. This parameters is
+ present purely for convenience, and is the exact same value as call.error.
+ 
+ */
+typedef void (^FBDialogAppCallCompletionHandler)(
+FBAppCall *call,
+NSDictionary *results,
+NSError *error);
+
+/*!
+ @class FBDialogs
+ 
+ @abstract
+ Provides methods to display native (i.e., non-Web-based) dialogs to the user.
+
+ @discussion
+ If you are building an app with a urlSchemeSuffix, you should also set the appropriate
+ plist entry. See `[FBSettings defaultUrlSchemeSuffix]`.
+ */
+@interface FBDialogs : NSObject
+
+/*!
+ @abstract
+ Presents a dialog that allows the user to share a status update that may include
+ text, images, or URLs. This dialog is only available on iOS 6.0 and above. The
+ current active session returned by [FBSession activeSession] will be used to determine
+ whether the dialog will be displayed. If a session is active, it must be open and the
+ login method used to authenticate the user must be native iOS 6.0 authentication.
+ If no session active, then whether the call succeeds or not will depend on
+ whether Facebook integration has been configured.
+ 
+ @param viewController  The view controller which will present the dialog.
+ 
+ @param initialText The text which will initially be populated in the dialog. The user
+ will have the opportunity to edit this text before posting it. May be nil.
+ 
+ @param image  A UIImage that will be attached to the status update. May be nil.
+ 
+ @param url    An NSURL that will be attached to the status update. May be nil.
+ 
+ @param handler A handler that will be called when the dialog is dismissed, or if an error
+ occurs. May be nil.
+ 
+ @return YES if the dialog was presented, NO if not (in the case of a NO result, the handler
+ will still be called, with an error indicating the reason the dialog was not displayed)
+ */
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                      initialText:(NSString*)initialText
+                                            image:(UIImage*)image
+                                              url:(NSURL*)url
+                                          handler:(FBOSIntegratedShareDialogHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog that allows the user to share a status update that may include
+ text, images, or URLs. This dialog is only available on iOS 6.0 and above. The
+ current active session returned by [FBSession activeSession] will be used to determine
+ whether the dialog will be displayed. If a session is active, it must be open and the
+ login method used to authenticate the user must be native iOS 6.0 authentication.
+ If no session active, then whether the call succeeds or not will depend on
+ whether Facebook integration has been configured.
+ 
+ @param viewController  The view controller which will present the dialog.
+ 
+ @param initialText The text which will initially be populated in the dialog. The user
+ will have the opportunity to edit this text before posting it. May be nil.
+ 
+ @param images  An array of UIImages that will be attached to the status update. May
+ be nil.
+ 
+ @param urls    An array of NSURLs that will be attached to the status update. May be nil.
+ 
+ @param handler A handler that will be called when the dialog is dismissed, or if an error
+ occurs. May be nil.
+ 
+ @return YES if the dialog was presented, NO if not (in the case of a NO result, the handler
+ will still be called, with an error indicating the reason the dialog was not displayed)
+ */
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                      initialText:(NSString*)initialText
+                                           images:(NSArray*)images
+                                             urls:(NSArray*)urls
+                                          handler:(FBOSIntegratedShareDialogHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog that allows the user to share a status update that may include
+ text, images, or URLs. This dialog is only available on iOS 6.0 and above. An
+ <FBSession> may be specified, or nil may be passed to indicate that the current
+ active session should be used. If a session is specified (whether explicitly or by
+ virtue of being the active session), it must be open and the login method used to
+ authenticate the user must be native iOS 6.0 authentication. If no session is specified
+ (and there is no active session), then whether the call succeeds or not will depend on
+ whether Facebook integration has been configured.
+ 
+ @param viewController  The view controller which will present the dialog.
+ 
+ @param session     The <FBSession> to use to determine whether or not the user has been
+ authenticated with iOS native authentication. If nil, then [FBSession activeSession]
+ will be checked. See discussion above for the implications of nil or non-nil session.
+ 
+ @param initialText The text which will initially be populated in the dialog. The user
+ will have the opportunity to edit this text before posting it. May be nil.
+ 
+ @param images  An array of UIImages that will be attached to the status update. May
+ be nil.
+ 
+ @param urls    An array of NSURLs that will be attached to the status update. May be nil.
+ 
+ @param handler A handler that will be called when the dialog is dismissed, or if an error
+ occurs. May be nil.
+ 
+ @return YES if the dialog was presented, NO if not (in the case of a NO result, the handler
+ will still be called, with an error indicating the reason the dialog was not displayed)
+ */
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                          session:(FBSession*)session
+                                      initialText:(NSString*)initialText
+                                           images:(NSArray*)images
+                                             urls:(NSArray*)urls
+                                          handler:(FBOSIntegratedShareDialogHandler)handler;
+
+/*!
+ @abstract
+ Determines whether a call to presentShareDialogModallyFrom: will successfully present
+ a dialog. This is useful for applications that need to modify the available UI controls
+ depending on whether the dialog is available on the current platform and for the current
+ user.
+ 
+ @param session     The <FBSession> to use to determine whether or not the user has been
+ authenticated with iOS native authentication. If nil, then [FBSession activeSession]
+ will be checked. See discussion above for the implications of nil or non-nil session.
+ 
+ @return YES if the dialog would be presented for the session, and NO if not
+ */
++ (BOOL)canPresentOSIntegratedShareDialogWithSession:(FBSession*)session;
+
+/*!
+ @abstract
+ Determines whether a call to presentFBShareDialogWithTarget: will successfully
+ present a dialog in the Facebook application. This is useful for applications that
+ need to modify the available UI controls depending on whether the dialog is
+ available on the current platform.
+ 
+ @param params The parameters for the FB share dialog.
+ 
+ @return YES if the dialog would be presented, and NO if not
+ 
+ @discussion A return value of YES here indicates that the corresponding
+ presentFBShareDialogWithParams method will return a non-nil FBAppCall for the same
+ params. And vice versa.
+ */
++ (BOOL)canPresentShareDialogWithParams:(FBShareDialogParams *)params;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to share a status
+ update that may include text, images, or URLs. No session is required, and the app
+ does not need to be authorized to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param params The parameters for the FB share dialog.
+ 
+ @param clientState An NSDictionary that's passed through when the completion handler
+ is called. This is useful for the app to maintain state about the share request that
+ was made so as to have appropriate action when the handler is called. May be nil.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresetFBShareDialogWithParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithParams:(FBShareDialogParams *)params
+                                clientState:(NSDictionary *)clientState
+                                    handler:(FBDialogAppCallCompletionHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to share the
+ supplied link. No session is required, and the app does not need to be authorized
+ to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param link The URL link to be attached to the post.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresetFBShareDialogWithParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                  handler:(FBDialogAppCallCompletionHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to share the
+ supplied link. No session is required, and the app does not need to be authorized
+ to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param link The URL link to be attached to the post.
+ 
+ @param name The name, or title associated with the link. May be nil.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresetFBShareDialogWithParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                     name:(NSString *)name
+                                  handler:(FBDialogAppCallCompletionHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to share the
+ supplied link. No session is required, and the app does not need to be authorized
+ to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param link The URL link to be attached to the post.
+ 
+ @param name The name, or title associated with the link. May be nil.
+ 
+ @param caption The caption to be used with the link. May be nil.
+ 
+ @param description The description associated with the link. May be nil.
+ 
+ @param picture The link to a thumbnail to associate with the link. May be nil.
+ 
+ @param clientState An NSDictionary that's passed through when the completion handler
+ is called. This is useful for the app to maintain state about the share request that
+ was made so as to have appropriate action when the handler is called. May be nil.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresetFBShareDialogWithParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                     name:(NSString *)name
+                                  caption:(NSString *)caption
+                              description:(NSString *)description
+                                  picture:(NSURL *)picture
+                              clientState:(NSDictionary *)clientState
+                                  handler:(FBDialogAppCallCompletionHandler)handler;
+
+/*!
+ @abstract
+ Determines whether a call to presentFBShareDialogWithOpenGraphActionParams:clientState:handler:
+ will successfully present a dialog in the Facebook application. This is useful for applications
+ that need to modify the available UI controls depending on whether the dialog is
+ available on the current platform.
+ 
+ @param params The parameters for the FB share dialog.
+ 
+ @return YES if the dialog would be presented, and NO if not
+ 
+ @discussion A return value of YES here indicates that the corresponding
+ presentFBShareDialogWithOpenGraphActionParams method will return a non-nil FBAppCall for
+ the same params. And vice versa.
+ */
++ (BOOL)canPresentShareDialogWithOpenGraphActionParams:(FBOpenGraphActionShareDialogParams *)params;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to publish an Open
+ Graph action. No session is required, and the app does not need to be authorized to call
+ this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param params The parameters for the Open Graph action dialog.
+ 
+ @param clientState An NSDictionary that's passed through when the completion handler
+ is called. This is useful for the app to maintain state about the share request that
+ was made so as to have appropriate action when the handler is called. May be nil.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresentFBShareDialogWithOpenGraphActionParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithOpenGraphActionParams:(FBOpenGraphActionShareDialogParams *)params
+                                               clientState:(NSDictionary *)clientState
+                                                   handler:(FBDialogAppCallCompletionHandler)handler;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to publish the
+ supplied Open Graph action. No session is required, and the app does not need to be
+ authorized to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param action The Open Graph action to be published. May not be nil.
+
+ @param actionType the fully-specified Open Graph action type of the action (e.g.,
+ my_app_namespace:my_action).
+ 
+ @param previewPropertyName the name of the property on the action that represents the
+ primary Open Graph object associated with the action; this object will be displayed in the
+ preview portion of the share dialog.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresentFBShareDialogWithOpenGraphActionParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithOpenGraphAction:(id<FBOpenGraphAction>)action
+                                          actionType:(NSString *)actionType
+                                 previewPropertyName:(NSString *)previewPropertyName
+                                             handler:(FBDialogAppCallCompletionHandler) handler;
+
+/*!
+ @abstract
+ Presents a dialog in the Facebook application that allows the user to publish the
+ supplied Open Graph action. No session is required, and the app does not need to be
+ authorized to call this.
+ 
+ Note that this will perform an app switch to the Facebook app, and will cause the
+ current app to be suspended. When the share is complete, the Facebook app will redirect
+ to a url of the form "fb{APP_ID}://" that the application must handle. The app should
+ then call [FBAppCall handleOpenURL:sourceApplication:fallbackHandler:] to trigger
+ the appropriate handling. Note that FBAppCall will first try to call the completion
+ handler associated with this method, but since during an app switch, the calling app
+ may be suspended or killed, the app must also give a fallbackHandler to the
+ handleOpenURL: method in FBAppCall.
+ 
+ @param action The Open Graph action to be published. May not be nil.
+
+ @param actionType the fully-specified Open Graph action type of the action (e.g.,
+ my_app_namespace:my_action).
+ 
+ @param previewPropertyName the name of the property on the action that represents the
+ primary Open Graph object associated with the action; this object will be displayed in the
+ preview portion of the share dialog.
+ 
+ @param clientState An NSDictionary that's passed through when the completion handler
+ is called. This is useful for the app to maintain state about the share request that
+ was made so as to have appropriate action when the handler is called. May be nil.
+ 
+ @param handler A completion handler that may be called when the status update is
+ complete. May be nil. If non-nil, the handler will always be called asynchronously.
+ 
+ @return An FBAppCall object that will also be passed into the provided
+ FBAppCallCompletionHandler.
+ 
+ @discussion A non-nil FBAppCall object is only returned if the corresponding
+ canPresentFBShareDialogWithOpenGraphActionParams method is also returning YES for the same params.
+ */
++ (FBAppCall *)presentShareDialogWithOpenGraphAction:(id<FBOpenGraphAction>)action
+                                          actionType:(NSString *)actionType
+                                 previewPropertyName:(NSString *)previewPropertyName
+                                         clientState:(NSDictionary *)clientState
+                                             handler:(FBDialogAppCallCompletionHandler) handler;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogs.m b/Vendor/facebook-ios-sdk/src/FBDialogs.m
new file mode 100644
index 0000000..59e994f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogs.m
@@ -0,0 +1,383 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Social/Social.h>
+
+#import "FBDialogs+Internal.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import "FBAppCall+Internal.h"
+#import "FBAppBridge.h"
+#import "FBAccessTokenData.h"
+#import "FBAppEvents+Internal.h"
+#import "FBDialogsParams+Internal.h"
+#import "FBLoginDialogParams.h"
+#import "FBShareDialogParams.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+#import "FBDialogsData+Internal.h"
+#import "FBAppLinkData+Internal.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBSettings.h"
+#import "FBDynamicFrameworkLoader.h"
+
+@interface FBDialogs ()
+
++ (NSError*)createError:(NSString*)reason
+                session:(FBSession *)session;
+
+@end
+
+@implementation FBDialogs
+
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                      initialText:(NSString*)initialText
+                                            image:(UIImage*)image
+                                              url:(NSURL*)url
+                                          handler:(FBOSIntegratedShareDialogHandler)handler {
+    NSArray *images = image ? [NSArray arrayWithObject:image] : nil;
+    NSArray *urls = url ? [NSArray arrayWithObject:url] : nil;
+    
+    return [self presentOSIntegratedShareDialogModallyFrom:viewController
+                                                   session:nil
+                                               initialText:initialText
+                                                    images:images
+                                                      urls:urls
+                                                   handler:handler];
+}
+
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                      initialText:(NSString*)initialText
+                                           images:(NSArray*)images
+                                             urls:(NSArray*)urls
+                                          handler:(FBOSIntegratedShareDialogHandler)handler {
+    return [self presentOSIntegratedShareDialogModallyFrom:viewController
+                                                   session:nil
+                                               initialText:initialText
+                                                    images:images
+                                                      urls:urls
+                                                   handler:handler];
+}
+
++ (BOOL)presentOSIntegratedShareDialogModallyFrom:(UIViewController*)viewController
+                                          session:(FBSession*)session
+                                      initialText:(NSString*)initialText
+                                           images:(NSArray*)images
+                                             urls:(NSArray*)urls
+                                          handler:(FBOSIntegratedShareDialogHandler)handler {
+    SLComposeViewController *composeViewController = [FBDialogs composeViewControllerWithSession:session
+                                                                                         handler:handler];
+    if (!composeViewController) {
+        return NO;
+    }
+    
+    if (initialText) {
+        [composeViewController setInitialText:initialText];
+    }
+    if (images && images.count > 0) {
+        for (UIImage *image in images) {
+            [composeViewController addImage:image];
+        }
+    }
+    if (urls && urls.count > 0) {
+        for (NSURL *url in urls) {
+            [composeViewController addURL:url];
+        }
+    }
+    
+    [composeViewController setCompletionHandler:^(SLComposeViewControllerResult result) {
+        BOOL cancelled = (result == SLComposeViewControllerResultCancelled);
+        
+        [FBAppEvents logImplicitEvent:FBAppEventNameShareSheetDismiss
+                          valueToSum:nil
+                          parameters:@{ @"render_type" : @"Native",
+                                        FBAppEventParameterDialogOutcome : (cancelled
+                                         ? FBAppEventsDialogOutcomeValue_Cancelled
+                                         : FBAppEventsDialogOutcomeValue_Completed) }
+                             session:session];
+        
+        if (handler) {
+            handler(cancelled ?  FBOSIntegratedShareDialogResultCancelled :  FBOSIntegratedShareDialogResultSucceeded, nil);
+        }
+    }];
+    
+    [FBAppEvents logImplicitEvent:FBAppEventNameShareSheetLaunch
+                      valueToSum:nil
+                      parameters:@{ @"render_type" : @"Native" }
+                         session:session];
+    [viewController presentViewController:composeViewController animated:YES completion:nil];
+    
+    return YES;
+}
+
++ (BOOL)canPresentOSIntegratedShareDialogWithSession:(FBSession*)session {
+    return [FBDialogs composeViewControllerWithSession:session
+                                               handler:nil] != nil;
+}
+
++ (BOOL)canPresentLoginDialogWithParams:(FBLoginDialogParams *)params {
+    NSString *version = [params appBridgeVersion];
+    // Ensure version support and that FBAppCall can be constructed correctly (i.e., in case of urlSchemeSuffix overrides).
+    return (version != nil && [[[FBAppCall alloc] initWithID:nil enforceScheme:YES appID:params.session.appID urlSchemeSuffix:params.session.urlSchemeSuffix] autorelease]);
+}
+
++ (FBAppCall *)presentLoginDialogWithParams:(FBLoginDialogParams *)params
+                                  clientState:(NSDictionary *)clientState
+                                      handler:(FBDialogAppCallCompletionHandler)handler {
+    FBAppCall *call = [[[FBAppCall alloc] initWithID:nil enforceScheme:YES appID:params.session.appID urlSchemeSuffix:params.session.urlSchemeSuffix] autorelease];
+    NSString *version = [params appBridgeVersion];
+    if (version && call) {
+        FBDialogsData *dialogData = [[[FBDialogsData alloc] initWithMethod:@"auth3"
+                                                                 arguments:[params dictionaryMethodArgs]]
+                                     autorelease];
+        dialogData.clientState = clientState;
+        
+        call.dialogData = dialogData;        
+        
+        // log the timestamp for starting the switch to the Facebook application
+        [FBAppEvents logImplicitEvent:FBAppEventNameFBDialogsNativeLoginDialogStart
+                          valueToSum:nil
+                          parameters:@{
+                            FBAppEventsNativeLoginDialogStartTime : [NSNumber numberWithDouble:round(1000 * [[NSDate date] timeIntervalSince1970])],
+                            @"action_id" : [call ID],
+                            @"app_id" : [FBSettings defaultAppID]
+                          }
+                          session:nil];
+        [[FBAppBridge sharedInstance] dispatchDialogAppCall:call
+                                                    version:version
+                                                    session:params.session
+                                          completionHandler:^(FBAppCall *call) {
+                                              if (handler) {
+                                                  handler(call, call.dialogData.results, call.error);
+                                              }
+                                          }];
+        return call;
+    }
+    
+    return nil;
+}
+
++ (BOOL)canPresentShareDialogWithParams:(FBShareDialogParams *)params {
+    return [params appBridgeVersion] != nil;
+}
+
++ (FBAppCall *)presentShareDialogWithParams:(FBShareDialogParams *)params
+                                clientState:(NSDictionary *)clientState
+                                    handler:(FBDialogAppCallCompletionHandler)handler {
+    FBAppCall *call = nil;
+    NSString *version = [params appBridgeVersion];
+    if (version) {
+        FBDialogsData *dialogData = [[[FBDialogsData alloc] initWithMethod:@"share"
+                                                                 arguments:[params dictionaryMethodArgs]]
+                                     autorelease];
+        dialogData.clientState = clientState;
+        
+        call = [[[FBAppCall alloc] init] autorelease];
+        call.dialogData = dialogData;
+        
+        [[FBAppBridge sharedInstance] dispatchDialogAppCall:call
+                                                    version:version
+                                                    session:nil
+                                          completionHandler:^(FBAppCall *call) {
+                                              if (handler) {
+                                                  handler(call, call.dialogData.results, call.error);
+                                              }
+                                          }];
+    }
+    [FBAppEvents logImplicitEvent:FBAppEventNameFBDialogsPresentShareDialog
+                       valueToSum:nil
+                       parameters:@{ FBAppEventParameterDialogOutcome : call ?
+                                                                        FBAppEventsDialogOutcomeValue_Completed :
+                                                                        FBAppEventsDialogOutcomeValue_Failed }
+                          session:nil];
+    
+    return call;
+}
+
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                  handler:(FBDialogAppCallCompletionHandler)handler {
+    return [FBDialogs presentShareDialogWithLink:link
+                                            name:nil
+                                         caption:nil
+                                     description:nil
+                                         picture:nil
+                                     clientState:nil
+                                         handler:handler];
+}
+
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                     name:(NSString *)name
+                                  handler:(FBDialogAppCallCompletionHandler)handler {
+    return [FBDialogs presentShareDialogWithLink:link
+                                            name:name
+                                         caption:nil
+                                     description:nil
+                                         picture:nil
+                                     clientState:nil
+                                         handler:handler];
+}
+
+
++ (FBAppCall *)presentShareDialogWithLink:(NSURL *)link
+                                     name:(NSString *)name
+                                  caption:(NSString *)caption
+                              description:(NSString *)description
+                                  picture:(NSURL *)picture
+                              clientState:(NSDictionary *)clientState
+                                  handler:(FBDialogAppCallCompletionHandler)handler {
+    FBShareDialogParams *params = [[[FBShareDialogParams alloc] init] autorelease];
+    params.link = link;
+    params.name = name;
+    params.caption = caption;
+    params.description = description;
+    params.picture = picture;
+    
+    return [self presentShareDialogWithParams:params
+                                  clientState:clientState
+                                      handler:handler];
+}
+
++ (BOOL)canPresentShareDialogWithOpenGraphActionParams:(FBOpenGraphActionShareDialogParams *)params {
+    return [params appBridgeVersion] != nil;
+}
+
++ (FBAppCall *)presentShareDialogWithOpenGraphActionParams:(FBOpenGraphActionShareDialogParams *)params
+                                               clientState:(NSDictionary *)clientState
+                                                   handler:(FBDialogAppCallCompletionHandler)handler {
+    FBAppCall *call = nil;
+    NSString *version = [params appBridgeVersion];
+    if (version) {
+        call = [[[FBAppCall alloc] init] autorelease];
+
+        NSError *validationError = [params validate];
+        if (validationError) {
+            if (handler) {
+                handler(call, nil, validationError);
+            }
+        } else {
+            FBDialogsData *dialogData = [[[FBDialogsData alloc] initWithMethod:@"ogshare"
+                                                                      arguments:[params dictionaryMethodArgs]]
+                                         autorelease];
+            dialogData.clientState = clientState;
+
+            call.dialogData = dialogData;
+        
+            [[FBAppBridge sharedInstance] dispatchDialogAppCall:call
+                                                        version:version
+                                                        session:nil
+                                              completionHandler:^(FBAppCall *call) {
+                                                  if (handler) {
+                                                      handler(call, call.dialogData.results, call.error);
+                                                  }
+                                              }];
+        }
+    }
+    [FBAppEvents logImplicitEvent:FBAppEventNameFBDialogsPresentShareDialogOG
+                       valueToSum:nil
+                       parameters:@{ FBAppEventParameterDialogOutcome : call ?
+                                                                        FBAppEventsDialogOutcomeValue_Completed :
+                                                                        FBAppEventsDialogOutcomeValue_Failed }
+                          session:nil];
+
+    return call;
+}
+
++ (FBAppCall *)presentShareDialogWithOpenGraphAction:(id<FBOpenGraphAction>)action
+                                          actionType:(NSString *)actionType
+                                 previewPropertyName:(NSString *)previewPropertyName
+                                             handler:(FBDialogAppCallCompletionHandler) handler {
+    return [FBDialogs presentShareDialogWithOpenGraphAction:action
+                                                 actionType:actionType
+                                        previewPropertyName:previewPropertyName
+                                                clientState:nil
+                                                    handler:handler];
+}
+
++ (FBAppCall *)presentShareDialogWithOpenGraphAction:(id<FBOpenGraphAction>)action
+                                          actionType:(NSString *)actionType
+                                 previewPropertyName:(NSString*)previewPropertyName
+                                         clientState:(NSDictionary *)clientState
+                                             handler:(FBDialogAppCallCompletionHandler) handler {
+    FBOpenGraphActionShareDialogParams *params = [[[FBOpenGraphActionShareDialogParams alloc] init] autorelease];
+    
+    // If we have OG objects, we want to pass just their URL or id to the share dialog.
+    params.action = action;
+    params.actionType = actionType;
+    params.previewPropertyName = previewPropertyName;
+    
+    return [self presentShareDialogWithOpenGraphActionParams:params
+                                                 clientState:clientState
+                                                     handler:handler];
+}
+
++ (SLComposeViewController*)composeViewControllerWithSession:(FBSession*)session
+                                                     handler:(FBOSIntegratedShareDialogHandler)handler {
+    // Can we even call the iOS API?
+    Class composeViewControllerClass = [[FBDynamicFrameworkLoader loadClass:@"SLComposeViewController" withFramework:@"Social"] class];
+    if (composeViewControllerClass == nil ||
+        [composeViewControllerClass isAvailableForServiceType:[FBDynamicFrameworkLoader loadStringConstant:@"SLServiceTypeFacebook" withFramework:@"Social"]] == NO) {
+        if (handler) {
+            handler( FBOSIntegratedShareDialogResultError, [self createError:FBErrorDialogNotSupported
+                                                                     session:session]);
+        }
+        return nil;
+    }
+    
+    if (session == nil) {
+        // No session provided -- do we have an activeSession? We must either have a session that
+        // was authenticated with native auth, or no session at all (in which case the app is
+        // running unTOSed and we will rely on the OS to authenticate/TOS the user).
+        session = [FBSession activeSession];
+    }
+    if (session != nil) {
+        // If we have an open session and it's not native auth, fail. If the session is
+        // not open, attempting to put up the dialog will prompt the user to configure
+        // their account.
+        if (session.isOpen && session.accessTokenData.loginType != FBSessionLoginTypeSystemAccount) {
+            if (handler) {
+                handler( FBOSIntegratedShareDialogResultError, [self createError:FBErrorDialogInvalidForSession
+                                                                         session:session]);
+            }
+            return nil;
+        }
+    }
+    
+    SLComposeViewController *composeViewController = [composeViewControllerClass composeViewControllerForServiceType:[FBDynamicFrameworkLoader loadStringConstant:@"SLServiceTypeFacebook" withFramework:@"Social"]];
+    if (composeViewController == nil) {
+        if (handler) {
+            handler( FBOSIntegratedShareDialogResultError, [self createError:FBErrorDialogCantBeDisplayed
+                                                                     session:session]);
+        }
+        return nil;
+    }
+    return composeViewController;
+}
+
++ (NSError *)createError:(NSString *)reason
+                 session:(FBSession *)session {
+    NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+    userInfo[FBErrorDialogReasonKey] = reason;
+    if (session) {
+        userInfo[FBErrorSessionKey] = session;
+    }
+    NSError *error = [NSError errorWithDomain:FacebookSDKDomain
+                                         code:FBErrorDialog
+                                     userInfo:userInfo];
+    return error;
+}
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsData+Internal.h b/Vendor/facebook-ios-sdk/src/FBDialogsData+Internal.h
new file mode 100644
index 0000000..b628bbf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsData+Internal.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialogsData.h"
+
+@interface FBDialogsData (Internal)
+
+@property (readonly) BOOL isValid;
+
+@property (nonatomic, readwrite, copy) NSDictionary *clientState;
+@property (nonatomic, readwrite, copy) NSDictionary *results;
+
+- (id)initWithMethod:(NSString *)method arguments:(NSDictionary *)arguments;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsData.h b/Vendor/facebook-ios-sdk/src/FBDialogsData.h
new file mode 100644
index 0000000..55ec5ee
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsData.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @abstract
+ This class encapsulates state and data related to the presentation and completion
+ of a dialog.
+ */
+@interface FBDialogsData : NSObject
+
+/*! @abstract The method being performed */
+@property (nonatomic, readonly) NSString *method;
+/*! @abstract The arguments being passed to the entity that will show the dialog */
+@property (nonatomic, readonly) NSDictionary *arguments;
+/*! @abstract Client JSON state that is passed through to the completion handler for context */
+@property (nonatomic, readonly) NSDictionary *clientState;
+/*! @abstract Results of this FBAppCall that are only set before calling an FBAppCallHandler */
+@property (nonatomic, readonly) NSDictionary *results;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsData.m b/Vendor/facebook-ios-sdk/src/FBDialogsData.m
new file mode 100644
index 0000000..bcb5293
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsData.m
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialogsData+Internal.h"
+
+@interface FBDialogsData ()
+
+@property (nonatomic, readwrite, copy) NSString *method;
+@property (nonatomic, readwrite, copy) NSDictionary *arguments;
+@property (nonatomic, readwrite, copy) NSDictionary *clientState;
+@property (nonatomic, readwrite, copy) NSDictionary *results;
+
+@end
+
+@implementation FBDialogsData
+
+- (id)initWithMethod:(NSString *)method arguments:(NSDictionary *)arguments {
+    self = [super init];
+    if (self) {
+        self.method = method;
+        self.arguments = arguments ?: @{};
+    }
+    return self;
+}
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p, method: %@",
+                               NSStringFromClass([self class]),
+                               self,
+                               self.method];
+    
+    if (self.arguments) {
+        [result appendFormat:@"\n arguments: %@", self.arguments];
+    }
+    if (self.results) {
+        [result appendFormat:@"\n results: %@", self.results];
+    }
+    if (self.clientState) {
+        [result appendFormat:@"\n clientState: %@", self.clientState];
+    }
+    
+    [result appendString:@">"];
+    return result;
+}
+
+- (void)dealloc {
+    [_method release];
+    [_arguments release];
+    [_clientState release];
+    [_results release];
+
+    [super dealloc];
+}
+
+- (BOOL)isValid {
+    return (_method != nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsParams+Internal.h b/Vendor/facebook-ios-sdk/src/FBDialogsParams+Internal.h
new file mode 100644
index 0000000..682a8ad
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsParams+Internal.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialogsParams.h"
+
+@interface FBDialogsParams ()
+
+/*!
+ @abstract
+ This method is abstract and must be defined by all classes that derive from `FBDialogParams`
+ */
+- (NSDictionary *)dictionaryMethodArgs;
+
+/*!
+ @abstract
+ This method is abstract and must be defined by all classes that derive from 'FBDialogParams'.
+ It validates the parameters and returns the app bridge version they should be used on.
+ */
+- (NSString *)appBridgeVersion;
+
+- (NSError *)validate;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsParams.h b/Vendor/facebook-ios-sdk/src/FBDialogsParams.h
new file mode 100644
index 0000000..32581bf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsParams.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*!
+ @class FBDialogsParams
+ 
+ @abstract
+ This object is used as a base class for parameters passed to native dialogs that
+ open in the Facebook app.
+ */
+@interface FBDialogsParams : NSObject
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDialogsParams.m b/Vendor/facebook-ios-sdk/src/FBDialogsParams.m
new file mode 100644
index 0000000..db583d2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDialogsParams.m
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialogsParams+Internal.h"
+
+@implementation FBDialogsParams
+
+/*!
+ @abstract
+ This method is abstract and must be defined my all classes that derive from `FBDialogsParams`
+ */
+- (NSDictionary *)dictionaryMethodArgs {
+    @throw [NSException exceptionWithName:NSInternalInconsistencyException
+                                   reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
+                                 userInfo:nil];
+}
+
+- (NSString *)appBridgeVersion {
+    @throw [NSException exceptionWithName:NSInternalInconsistencyException
+                                   reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
+                                 userInfo:nil];
+}
+
+- (NSError *)validate
+{
+    return nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.h b/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.h
new file mode 100644
index 0000000..46fab0d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <Security/Security.h>
+#import <sqlite3.h>
+
+/*!
+ @class FBDynamicFrameworkLoader
+ 
+ @abstract
+ This class provides a way to load constants and methods from Apple Frameworks in a dynamic
+ fashion.  It allows the SDK to be just dragged into a project without having to specify additional
+ frameworks to link against.  It is an internal class and not to be used by 3rd party developers.
+ 
+ This class is a generic class for loading Classes, NSStrings, and SecRandomRef.
+ As new types are needed, they should be added and strongly typed.
+ */
+@interface FBDynamicFrameworkLoader : NSObject
+
+/*!
+ @abstract
+ Loads a Class and returns the Class object.  This can then be used to create an instance of the class.
+ 
+ @param className  An NSString of the name of the class
+ 
+ @param frameworkName The framework in which the class appears
+ 
+ @return The Class object or nil if it fails to load.
+ */
++ (Class)loadClass:(NSString *)className withFramework:(NSString *)frameworkName;
+
+/*!
+ @abstract
+ Loads a string constant and return the string.
+ 
+ @param constantName  An NSString of the name of the constant
+ 
+ @param frameworkName The framework in which the constant appears
+ 
+ @return The string or nil if it fails to load.
+ */
++ (NSString *)loadStringConstant:(NSString *)constantName withFramework:(NSString *)frameworkName;
+
+/*!
+ @abstract
+ Load the kSecRandomDefault value from the Security Framework
+ 
+ @return The kSecRandomDefault value or nil.
+ */
++ (SecRandomRef)loadkSecRandomDefault;
+
+/*!
+ @abstract
+ Returns the path template to the Frameworks.
+ We will try and load the template passing in the framework twice
+ "/System/Library/Frameworks/%@.framework/%@" is the default value.
+
+ @return The path template for loading Frameworks
+ */
++ (NSString *)frameworkPathTemplate;
+
+/*!
+ @abstract
+ Sets the path template of where to load Frameworks from
+ This will be loaded with [NSString stringWithFormat:pathTemplate, framework, framework]
+ 
+ @param pathTemplate An NSString of the pathTemplate
+ 
+ @return void
+ */
++ (void)setFrameworkPathTemplate:(NSString *)pathTemplate;
+
+/*!
+ @abstract
+ Returns the path to the Sqlite library
+ 
+ @return The path we will attempt to load the Sqlite library from
+ */
++ (NSString *)sqlitePath;
+
+/*!
+ @abstract
+ Sets the path of where to load the Sqlite library from
+ 
+ @param path An NSString of the path
+ 
+ @return void
+ */
++ (void)setSqlitePath:(NSString *)path;
+
+@end
+
+// Security c-style APIs
+// These are local wrappers around the corresponding methods in Security/SecRandom.h
+int fbdfl_SecRandomCopyBytes(SecRandomRef rnd, size_t count, uint8_t *bytes);
+
+// SQLITE3 c-style APIs
+// These are local wrappers around the corresponding sqlite3 method from /usr/include/sqlite3.h
+SQLITE_API const char *fbdfl_sqlite3_errmsg(sqlite3 *db);
+SQLITE_API int fbdfl_sqlite3_prepare_v2(sqlite3 *db, const char *zSql, int nByte, sqlite3_stmt **ppStmt, const char **pzTail);
+SQLITE_API int fbdfl_sqlite3_reset(sqlite3_stmt *pStmt);
+SQLITE_API int fbdfl_sqlite3_finalize(sqlite3_stmt *pStmt);
+SQLITE_API int fbdfl_sqlite3_open_v2(const char *filename, sqlite3 **ppDb, int flags, const char *zVfs);
+SQLITE_API int fbdfl_sqlite3_exec(sqlite3 *db, const char *sql, int (*callback)(void*,int,char**,char**), void * arg, char **errmsg);
+SQLITE_API int fbdfl_sqlite3_close(sqlite3 *db);
+SQLITE_API int fbdfl_sqlite3_bind_double(sqlite3_stmt *stmt, int index, double value);
+SQLITE_API int fbdfl_sqlite3_bind_int(sqlite3_stmt *stmt, int index, int value);
+SQLITE_API int fbdfl_sqlite3_bind_text(sqlite3_stmt *stmt, int index, const char* value, int n, void(*callback)(void*));
+SQLITE_API int fbdfl_sqlite3_step(sqlite3_stmt *stmt);
+SQLITE_API double fbdfl_sqlite3_column_double(sqlite3_stmt *stmt, int iCol);
+SQLITE_API int fbdfl_sqlite3_column_int(sqlite3_stmt *stmt, int iCol);
+SQLITE_API const unsigned char *fbdfl_sqlite3_column_text(sqlite3_stmt *stmt, int iCol);
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.m b/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.m
new file mode 100644
index 0000000..83176f9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBDynamicFrameworkLoader.m
@@ -0,0 +1,220 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDynamicFrameworkLoader.h"
+#import "FBLogger.h"
+#import "FBSettings.h"
+#import <dlfcn.h>
+
+static dispatch_once_t g_dispatchTokenLibrary;
+static dispatch_once_t g_dispatchTokenSymbol;
+static NSMutableDictionary *g_libraryMap = nil;
+static NSMutableDictionary *g_symbolMap = nil;
+
+static void *openLibrary(NSString *libraryPath) {
+    if (!g_libraryMap) {
+        dispatch_once(&g_dispatchTokenLibrary, ^{
+            g_libraryMap = [[NSMutableDictionary alloc] init];        
+        });
+    }
+    id cachedHandle = [g_libraryMap objectForKey:libraryPath];
+    if (cachedHandle) {
+        return [cachedHandle pointerValue];
+    }
+    void *handle = dlopen([libraryPath fileSystemRepresentation], RTLD_LAZY);
+    if (handle) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorInformational formatString:@"Dynamically loaded library at %@", libraryPath];
+    } else {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorInformational formatString:@"Failed to load library at %@", libraryPath];
+    }
+    [g_libraryMap setObject:[NSValue valueWithPointer:handle] forKey:libraryPath];
+    return handle;
+}
+
+static void * loadSymbol(NSString *libraryPath, NSString *symbolName) {
+    if (!g_symbolMap) {
+        dispatch_once(&g_dispatchTokenSymbol, ^{
+            g_symbolMap = [[NSMutableDictionary alloc] init];
+        });
+    }
+    NSString *key = [NSString stringWithFormat:@"%@:%@", libraryPath, symbolName];
+    id cachedHandle = [g_symbolMap objectForKey:key];
+    if (cachedHandle) {
+        return [cachedHandle pointerValue];
+    }
+    void *handle = openLibrary(libraryPath);
+    void *symbol = dlsym(handle, [symbolName cStringUsingEncoding:NSASCIIStringEncoding]);
+    [g_symbolMap setObject:[NSValue valueWithPointer:symbol] forKey:key];
+    return symbol;
+}
+
+static NSString *buildFrameworkPath(NSString *framework) {
+    NSString *path = [NSString stringWithFormat:[FBDynamicFrameworkLoader frameworkPathTemplate], framework, framework];
+    return path;
+}
+
+@implementation FBDynamicFrameworkLoader
+
+static NSString *g_frameworkPathTemplate = @"/System/Library/Frameworks/%@.framework/%@";
+static NSString *g_sqlitePath = @"/usr/lib/libsqlite3.dylib";
+
++ (Class)loadClass:(NSString *)className withFramework:(NSString *)frameworkName {
+    NSString *symbolName = [NSString stringWithFormat:@"OBJC_CLASS_$_%@", className];
+    void * symbol = [self loadSymbol:symbolName withFramework:frameworkName];
+    Class c = (Class)symbol;
+    return c;
+}
+
++ (NSString *)loadStringConstant:(NSString *)constantName withFramework:(NSString *)frameworkName {
+    void *symbol = [self loadSymbol:constantName withFramework:frameworkName];
+    NSAssert2((symbol != nil), @"Attempt to load symbol %@ in the %@ framework but this failed, likely a misspelling or the framework is not available on the version of the OS", constantName, frameworkName);
+    NSString * s = *(NSString **)symbol;
+    NSAssert1([s isKindOfClass:[NSString class]], @"Loaded symbol %@ is not of type NSString *", constantName);
+    return s;
+}
+
++ (SecRandomRef) loadkSecRandomDefault {
+    void * symbol = [self loadSymbol:@"kSecRandomDefault" withFramework:@"Security"];
+    NSAssert((symbol != nil), @"Failed to load symbol kSecRandomDefault in the Security framework");
+    SecRandomRef ref = *(SecRandomRef *)symbol;
+    return ref;
+}
+
++ (void *)loadSymbol:(NSString *)symbol withFramework:(NSString *)framework {
+    return loadSymbol(buildFrameworkPath(framework), symbol);
+}
+
++ (NSString *)frameworkPathTemplate {
+    return g_frameworkPathTemplate;
+}
+
++ (void)setFrameworkPathTemplate:(NSString *)pathTemplate {
+    [pathTemplate retain];
+    [g_frameworkPathTemplate release];
+    g_frameworkPathTemplate = pathTemplate;
+}
+
++ (NSString *)sqlitePath {
+    return g_sqlitePath;
+}
+
++ (void)setSqlitePath:(NSString *)path {
+    [path retain];
+    [g_sqlitePath release];
+    g_sqlitePath = path;
+}
+
+@end
+
+
+// Security APIs
+typedef int (*SecRandomCopyBytesFuncType)(SecRandomRef, size_t, uint8_t*);
+
+int fbdfl_SecRandomCopyBytes(SecRandomRef rnd, size_t count, uint8_t *bytes) {
+    NSString *handle = buildFrameworkPath(@"Security");
+    SecRandomCopyBytesFuncType f = (SecRandomCopyBytesFuncType)loadSymbol(handle, @"SecRandomCopyBytes");
+    return f(rnd, count, bytes);
+}
+
+// SQLITE3 APIs
+void *loadSqliteSymbol(NSString *symbol) {
+    return loadSymbol([FBDynamicFrameworkLoader sqlitePath], symbol);
+}
+
+typedef SQLITE_API const char *(*sqlite3_errmsg_type)(sqlite3*);
+typedef SQLITE_API int (*sqlite3_prepare_v2_type)(sqlite3*, const char *, int, sqlite3_stmt **, const char **);
+typedef SQLITE_API int (*sqlite3_reset_type)(sqlite3_stmt*);
+typedef SQLITE_API int (*sqlite3_finalize_type)(sqlite3_stmt*);
+typedef SQLITE_API int (*sqlite3_open_v2_type)(const char*, sqlite3**, int, const char*);
+typedef SQLITE_API int (*sqlite3_exec_type)(sqlite3*, const char*, int (*)(void*,int,char**,char**), void*, char**);
+typedef SQLITE_API int (*sqlite3_close_type)(sqlite3*);
+typedef SQLITE_API int (*sqlite3_bind_double_type)(sqlite3_stmt*, int, double);
+typedef SQLITE_API int (*sqlite3_bind_int_type)(sqlite3_stmt*, int, int);
+typedef SQLITE_API int (*sqlite3_bind_text_type)(sqlite3_stmt*, int, const char*, int, void(*)(void*));
+typedef SQLITE_API int (*sqlite3_step_type)(sqlite3_stmt*);
+typedef SQLITE_API double (*sqlite3_column_double_type)(sqlite3_stmt*, int);
+typedef SQLITE_API int (*sqlite3_column_int_type)(sqlite3_stmt*, int);
+typedef SQLITE_API const unsigned char *(*sqlite3_column_text_type)(sqlite3_stmt*, int);
+
+SQLITE_API const char *fbdfl_sqlite3_errmsg(sqlite3 *db) {
+    sqlite3_errmsg_type f = (sqlite3_errmsg_type)loadSqliteSymbol(@"sqlite3_errmsg");
+    return f(db);
+}
+
+SQLITE_API int fbdfl_sqlite3_prepare_v2(sqlite3 *db, const char *zSql, int nByte, sqlite3_stmt **ppStmt, const char **pzTail) {
+    sqlite3_prepare_v2_type f = (sqlite3_prepare_v2_type)loadSqliteSymbol(@"sqlite3_prepare_v2");
+    return f(db, zSql, nByte, ppStmt, pzTail);
+}
+
+SQLITE_API int fbdfl_sqlite3_reset(sqlite3_stmt *pStmt) {
+    sqlite3_reset_type f = (sqlite3_reset_type)loadSqliteSymbol(@"sqlite3_reset");
+    return f(pStmt);
+}
+
+SQLITE_API int fbdfl_sqlite3_finalize(sqlite3_stmt *pStmt) {
+    sqlite3_finalize_type f = (sqlite3_finalize_type)loadSqliteSymbol(@"sqlite3_finalize");
+    return f(pStmt);
+}
+
+SQLITE_API int fbdfl_sqlite3_open_v2(const char *filename, sqlite3 **ppDb, int flags, const char *zVfs) {
+    sqlite3_open_v2_type f = (sqlite3_open_v2_type)loadSqliteSymbol(@"sqlite3_open_v2");
+    return f(filename, ppDb, flags, zVfs);
+}
+
+SQLITE_API int fbdfl_sqlite3_exec(sqlite3 *db, const char *sql, int (*callback)(void*,int,char**,char**), void * arg, char **errmsg) {
+    sqlite3_exec_type f = (sqlite3_exec_type)loadSqliteSymbol(@"sqlite3_exec");
+    return f(db, sql, callback, arg, errmsg);
+}
+
+SQLITE_API int fbdfl_sqlite3_close(sqlite3 *db) {
+    sqlite3_close_type f = (sqlite3_close_type)loadSqliteSymbol(@"sqlite3_close");
+    return f(db);
+}
+
+SQLITE_API int fbdfl_sqlite3_bind_double(sqlite3_stmt *stmt, int index , double value) {
+    sqlite3_bind_double_type f = (sqlite3_bind_double_type)loadSqliteSymbol(@"sqlite3_bind_double");
+    return f(stmt, index, value);
+}
+
+SQLITE_API int fbdfl_sqlite3_bind_int(sqlite3_stmt *stmt, int index, int value) {
+    sqlite3_bind_int_type f = (sqlite3_bind_int_type)loadSqliteSymbol(@"sqlite3_bind_int");
+    return f(stmt, index, value);
+}
+
+SQLITE_API int fbdfl_sqlite3_bind_text(sqlite3_stmt *stmt, int index, const char* value, int n, void(*callback)(void*)) {
+    sqlite3_bind_text_type f = (sqlite3_bind_text_type)loadSqliteSymbol(@"sqlite3_bind_text");
+    return f(stmt, index, value, n, callback);
+}
+
+SQLITE_API int fbdfl_sqlite3_step(sqlite3_stmt *stmt) {
+    sqlite3_step_type f = (sqlite3_step_type)loadSqliteSymbol(@"sqlite3_step");
+    return f(stmt);
+}
+
+SQLITE_API double fbdfl_sqlite3_column_double(sqlite3_stmt *stmt, int iCol) {
+    sqlite3_column_double_type f = (sqlite3_column_double_type)loadSqliteSymbol(@"sqlite3_column_double");
+    return f(stmt, iCol);
+}
+
+SQLITE_API int fbdfl_sqlite3_column_int(sqlite3_stmt *stmt, int iCol) {
+    sqlite3_column_int_type f = (sqlite3_column_int_type)loadSqliteSymbol(@"sqlite3_column_int");
+    return f(stmt, iCol);
+}
+
+SQLITE_API const unsigned char *fbdfl_sqlite3_column_text(sqlite3_stmt *stmt, int iCol) {
+    sqlite3_column_text_type f = (sqlite3_column_text_type)loadSqliteSymbol(@"sqlite3_column_text");
+    return f(stmt, iCol);
+}
diff --git a/Vendor/facebook-ios-sdk/src/FBError.h b/Vendor/facebook-ios-sdk/src/FBError.h
new file mode 100644
index 0000000..10dcf20
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBError.h
@@ -0,0 +1,367 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*!
+ The NSError domain of all errors returned by the Facebook SDK.
+*/
+extern NSString *const FacebookSDKDomain;
+
+/*!
+ The NSError domain of all errors surfaced by the Facebook SDK that
+ were returned by the Facebook Application
+ */
+extern NSString *const FacebookNativeApplicationDomain;
+
+/*!
+ The key in the userInfo NSDictionary of NSError where you can find
+ the inner NSError (if any).
+*/
+extern NSString *const FBErrorInnerErrorKey;
+
+/*!
+ The key in the userInfo NSDictionary of NSError for the parsed JSON response
+ from the server. In case of a batch, includes the JSON for a single FBRequest.
+*/
+extern NSString *const FBErrorParsedJSONResponseKey;
+
+/*!
+ The key in the userInfo NSDictionary of NSError indicating
+ the HTTP status code of the response (if any).
+*/
+extern NSString *const FBErrorHTTPStatusCodeKey;
+
+/*!
+ @abstract Error codes returned by the Facebook SDK in NSError.  
+ 
+ @discussion
+ These are valid only in the scope of FacebookSDKDomain.
+ */
+typedef enum FBErrorCode {
+    /*! 
+     Like nil for FBErrorCode values, represents an error code that
+     has not been initialized yet.
+     */
+    FBErrorInvalid = 0,
+
+    /// The operation failed because it was cancelled.
+    FBErrorOperationCancelled,
+    
+    /// A login attempt failed
+    FBErrorLoginFailedOrCancelled,
+
+    /// The graph API returned an error for this operation.
+    FBErrorRequestConnectionApi,
+
+    /*!
+     The operation failed because the server returned an unexpected
+     response.  You can get this error if you are not using the most
+     recent SDK, or if you set your application's migration settings
+     incorrectly for the version of the SDK you are using.
+    
+     If this occurs on the current SDK with proper app migration
+     settings, you may need to try changing to one request per batch.
+     */
+    FBErrorProtocolMismatch,
+
+    /// Non-success HTTP status code was returned from the operation.
+    FBErrorHTTPError,
+    
+    /// An endpoint that returns a binary response was used with FBRequestConnection;
+    /// endpoints that return image/jpg, etc. should be accessed using NSURLRequest
+    FBErrorNonTextMimeTypeReturned,
+
+    /// An error occurred while trying to display a native dialog
+    FBErrorDialog,
+    
+    /// An error occurred using the FBAppEvents class
+    FBErrorAppEvents,
+    
+    /// An error occurred related to an iOS API call
+    FBErrorSystemAPI,
+  
+    /// An error occurred while trying to fetch publish install response data
+    FBErrorPublishInstallResponse,
+    
+    /*!
+     The application had its applicationDidBecomeActive: method called while waiting
+     on a response from the native Facebook app for a pending FBAppCall.
+     */
+    FBErrorAppActivatedWhilePendingAppCall,
+    
+    /*!
+     The application had its openURL: method called from a source that was not a
+     Facebook app and with a URL that was intended for the AppBridge
+     */
+    FBErrorUntrustedURL,
+    
+    /*!
+     The URL passed to FBAppCall, was not able to be parsed
+     */
+    FBErrorMalformedURL,
+    
+    /*!
+     The operation failed because the session is currently busy reconnecting.
+    */
+    FBErrorSessionReconnectInProgess,
+} FBErrorCode;
+
+/*!
+ @abstract Error codes returned by the Facebook SDK in NSError.
+ 
+ @discussion
+ These are valid only in the scope of FacebookNativeApplicationDomain.
+ */
+typedef enum FBNativeApplicationErrorCode {
+    // A general error in processing an FBAppCall, without a known cause. Unhandled exceptions are a good example
+    FBAppCallErrorUnknown = 1,
+    
+    // The FBAppCall cannot be processed for some reason
+    FBAppCallErrorUnsupported = 2,
+    
+    // The FBAppCall is for a method that does not exist (or is turned off)
+    FBAppCallErrorUnknownMethod = 3,
+    
+    // The FBAppCall cannot be processed at the moment, but can be retried at a later time.
+    FBAppCallErrorServiceBusy = 4,
+    
+    // Share was called in the native Facebook app with incomplete or incorrect arguments
+    FBShareErrorInvalidParam = 100,
+    
+    // A server error occurred while calling Share in the native Facebook app.
+    FBShareErrorServer = 102,
+    
+    // An unknown error occurred while calling Share in the native Facebook app.
+    FBShareErrorUnknown = 103,
+    
+    // Disallowed from calling Share in the native Facebook app.
+    FBShareErrorDenied = 104,
+    
+} FBNativeApplicationErrorCode;
+
+/*!
+ @typedef FBErrorCategory enum
+ 
+ @abstract Indicates the Facebook SDK classification for the error
+ 
+ @discussion
+ */
+typedef enum {
+    /*! Indicates that the error category is invalid and likely represents an error that
+     is unrelated to Facebook or the Facebook SDK */
+    FBErrorCategoryInvalid                      = 0,
+    /*! Indicates that the error may be authentication related but the application should retry the operation.
+     This case may involve user action that must be taken, and so the application should also test
+     the fberrorShouldNotifyUser property and if YES display fberrorUserMessage to the user before retrying.*/
+    FBErrorCategoryRetry          = 1,
+    /*! Indicates that the error is authentication related and the application should reopen the session*/
+    FBErrorCategoryAuthenticationReopenSession  = 2,
+    /*! Indicates that the error is permission related */
+    FBErrorCategoryPermissions                  = 3,
+    /*! Indicates that the error implies that the server had an unexpected failure or may be temporarily down */
+    FBErrorCategoryServer                       = 4,
+    /*! Indicates that the error results from the server throttling the client */
+    FBErrorCategoryThrottling                   = 5,
+    /*! Indicates the user cancelled the operation */
+    FBErrorCategoryUserCancelled                = 6,
+    /*! Indicates that the error is Facebook-related but is uncategorizable, and likely newer than the 
+     current version of the SDK */
+    FBErrorCategoryFacebookOther                = -1,
+    /*! Indicates that the error is an application error resulting in a bad or malformed request to the server. */
+    FBErrorCategoryBadRequest                   = -2,
+} FBErrorCategory;
+
+/*!
+ The key in the userInfo NSDictionary of NSError where you can find
+ the inner NSError (if any).
+ */
+extern NSString *const FBErrorInnerErrorKey;
+
+/*!
+ The key in the userInfo NSDictionary of NSError where you can find 
+ the session associated with the error (if any).
+*/
+extern NSString *const FBErrorSessionKey;
+
+/*!
+ The key in the userInfo NSDictionary of NSError that points to the URL
+ that caused an error, in its processing by FBAppCall.
+ */
+extern NSString *const FBErrorUnprocessedURLKey;
+
+/*!
+ The key in the userInfo NSDictionary of NSError for unsuccessful 
+ logins (error.code equals FBErrorLoginFailedOrCancelled). If present,
+ the value will be one of the constants prefixed by FBErrorLoginFailedReason*.
+*/
+extern NSString *const FBErrorLoginFailedReason;
+
+/*!
+ The key in the userInfo NSDictionary of NSError for unsuccessful
+ logins (error.code equals FBErrorLoginFailedOrCancelled). If present,
+ the value indicates an original login error code wrapped by this error.
+ This is only used in the web dialog login flow.
+ */
+extern NSString *const FBErrorLoginFailedOriginalErrorCode;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates the user
+ cancelled a web dialog auth.
+*/
+extern NSString *const FBErrorLoginFailedReasonInlineCancelledValue;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates the user
+ did not cancel a web dialog auth.
+ */
+extern NSString *const FBErrorLoginFailedReasonInlineNotCancelledValue;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates the user
+ cancelled a non-iOS 6 SSO (either Safari or Facebook App) login.
+ */
+extern NSString *const FBErrorLoginFailedReasonUserCancelledValue;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates the user
+ cancelled an iOS system login.
+ */
+extern NSString *const FBErrorLoginFailedReasonUserCancelledSystemValue;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates an error
+ condition. You may inspect the rest of userInfo for other data.
+ */
+extern NSString *const FBErrorLoginFailedReasonOtherError;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates the app's
+ slider in iOS 6 (device Settings -> Privacy -> Facebook {app} ) has
+ been disabled.
+ */
+extern NSString *const FBErrorLoginFailedReasonSystemDisallowedWithoutErrorValue;
+
+/*!
+ A value that may appear in an NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key for login failures. Indicates an error
+ has occurred when requesting Facebook account acccess in iOS 6 that was
+ not `FBErrorLoginFailedReasonSystemDisallowedWithoutErrorValue` nor
+ a user cancellation.
+ */
+extern NSString *const FBErrorLoginFailedReasonSystemError;
+extern NSString *const FBErrorLoginFailedReasonUnitTestResponseUnrecognized;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key when requesting new permissions fails. Indicates
+ the request for new permissions has failed because the session was closed.
+ */
+extern NSString *const FBErrorReauthorizeFailedReasonSessionClosed;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key when requesting new permissions fails. Indicates
+ the request for new permissions has failed because the user cancelled.
+ */
+extern NSString *const FBErrorReauthorizeFailedReasonUserCancelled;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key when requesting new permissions fails on
+ iOS 6 with the Facebook account. Indicates the request for new permissions has 
+ failed because the user cancelled.
+ */
+extern NSString *const FBErrorReauthorizeFailedReasonUserCancelledSystem;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorLoginFailedReason` key when requesting new permissions fails. Indicates
+ the request for new permissions has failed because the request was
+ for a different user than the original permission set.
+ */
+extern NSString *const FBErrorReauthorizeFailedReasonWrongUser;
+
+/*!
+ The key in the userInfo NSDictionary of NSError for errors
+ encountered with `FBDialogs` operations. (error.code equals FBErrorDialog).
+ If present, the value will be one of the constants prefixed by FBErrorDialog*.
+*/
+extern NSString *const FBErrorDialogReasonKey;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+`FBErrorDialogReasonKey` key. Indicates that a native dialog is not supported 
+ in the current OS.
+*/
+extern NSString *const FBErrorDialogNotSupported;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorDialogReasonKey` key. Indicates that a native dialog cannot be
+ displayed because it is not appropriate for the current session. 
+*/
+extern NSString *const FBErrorDialogInvalidForSession;
+
+/*!
+ A value that may appear in the NSError userInfo dictionary under the
+ `FBErrorDialogReasonKey` key. Indicates that a native dialog cannot be
+ displayed for some other reason.
+ */
+extern NSString *const FBErrorDialogCantBeDisplayed;
+
+/*!
+ A value that may appear in the NSError userInfo ditionary under the
+ `FBErrorDialogReasonKey` key. Indicates that a native dialog cannot be
+ displayed because an Open Graph object that was passed was not configured 
+ correctly. The object must either (a) exist by having an 'id' or 'url' value; 
+ or, (b) configured for creation (by setting the 'type' value and 
+ provisionedForPost property)
+*/
+extern NSString *const FBErrorDialogInvalidOpenGraphObject;
+
+/*!
+ A value that may appear in the NSError userInfo ditionary under the
+ `FBErrorDialogReasonKey` key. Indicates that a native dialog cannot be
+ displayed because the parameters for sharing an Open Graph action were 
+ not configured. The parameters must include an 'action', 'actionType', and
+ 'previewPropertyName'.
+ */
+extern NSString *const FBErrorDialogInvalidOpenGraphActionParameters;
+
+/*!
+ The key in the userInfo NSDictionary of NSError for errors
+ encountered with `FBAppEvents` operations (error.code equals FBErrorAppEvents).
+*/
+extern NSString *const FBErrorAppEventsReasonKey;
+
+// Exception strings raised by the Facebook SDK
+
+/*!
+ This exception is raised by methods in the Facebook SDK to indicate
+ that an attempted operation is invalid
+ */
+extern NSString *const FBInvalidOperationException;
+
+// Facebook SDK also raises exceptions the following common exceptions:
+//  NSInvalidArgumentException
+
diff --git a/Vendor/facebook-ios-sdk/src/FBError.m b/Vendor/facebook-ios-sdk/src/FBError.m
new file mode 100644
index 0000000..b2e9aad
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBError.m
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBError.h"
+
+NSString *const FacebookSDKDomain = @"com.facebook.sdk";
+NSString *const FacebookNativeApplicationDomain = @"com.facebook.Facebook.platform";
+
+NSString *const FBErrorInnerErrorKey = @"com.facebook.sdk:ErrorInnerErrorKey";
+NSString *const FBErrorParsedJSONResponseKey = @"com.facebook.sdk:ParsedJSONResponseKey";
+NSString *const FBErrorHTTPStatusCodeKey = @"com.facebook.sdk:HTTPStatusCode";
+NSString *const FBErrorSessionKey = @"com.facebook.sdk:ErrorSessionKey";
+NSString *const FBErrorUnprocessedURLKey = @"com.facebook.sdk:UnprocessedURLKey";
+
+NSString *const FBErrorLoginFailedReason = @"com.facebook.sdk:ErrorLoginFailedReason";
+NSString *const FBErrorLoginFailedOriginalErrorCode = @"com.facebook.sdk:ErrorLoginFailedOriginalErrorCode";
+
+NSString *const FBErrorLoginFailedReasonInlineCancelledValue = @"com.facebook.sdk:InlineLoginCancelled";
+NSString *const FBErrorLoginFailedReasonInlineNotCancelledValue = @"com.facebook.sdk:ErrorLoginNotCancelled";
+NSString *const FBErrorLoginFailedReasonUserCancelledValue = @"com.facebook.sdk:UserLoginCancelled";
+NSString *const FBErrorLoginFailedReasonUserCancelledSystemValue = @"com.facebook.sdk:SystemLoginCancelled";
+NSString *const FBErrorLoginFailedReasonOtherError = @"com.facebook.sdk:UserLoginOtherError";
+NSString *const FBErrorLoginFailedReasonSystemDisallowedWithoutErrorValue = @"com.facebook.sdk:SystemLoginDisallowedWithoutError";
+NSString *const FBErrorLoginFailedReasonSystemError = @"com.facebook.sdk:SystemLoginError";
+
+NSString *const FBErrorReauthorizeFailedReasonSessionClosed = @"com.facebook.sdk:ErrorReauthorizeFailedReasonSessionClosed";
+NSString *const FBErrorReauthorizeFailedReasonUserCancelled = @"com.facebook.sdk:ErrorReauthorizeFailedReasonUserCancelled";
+NSString *const FBErrorReauthorizeFailedReasonUserCancelledSystem = @"com.facebook.sdk:ErrorReauthorizeFailedReasonUserCancelledSystem";
+NSString *const FBErrorReauthorizeFailedReasonWrongUser = @"com.facebook.sdk:ErrorReauthorizeFailedReasonWrongUser";
+
+NSString *const FBInvalidOperationException = @"com.facebook.sdk:InvalidOperationException";
+
+NSString *const FBErrorDialogReasonKey = @"com.facebook.sdk:DialogReasonKey";
+NSString *const FBErrorDialogNotSupported = @"com.facebook.sdk:DialogNotSupported";
+NSString *const FBErrorDialogInvalidForSession = @"DialogInvalidForSession";
+NSString *const FBErrorDialogCantBeDisplayed = @"DialogCantBeDisplayed";
+NSString *const FBErrorDialogInvalidOpenGraphObject = @"DialogInvalidOpenGraphObject";
+NSString *const FBErrorDialogInvalidOpenGraphActionParameters = @"DialogInvalidOpenGraphActionParameters";
+
+NSString *const FBErrorAppEventsReasonKey = @"com.facebook.sdk:AppEventsReasonKey";
diff --git a/Vendor/facebook-ios-sdk/src/FBErrorUtility+Internal.h b/Vendor/facebook-ios-sdk/src/FBErrorUtility+Internal.h
new file mode 100644
index 0000000..a985d67
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBErrorUtility+Internal.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBError.h"
+#import "FBErrorUtility.h"
+
+typedef enum {
+    FBAuthSubcodeNone = 0,
+    FBAuthSubcodeAppNotInstalled = 458,
+    FBAuthSubcodeUserCheckpointed = 459,
+    FBAuthSubcodePasswordChanged = 460,
+    FBAuthSubcodeExpired = 463,
+    FBAuthSubcodeUnconfirmedUser = 464,
+} FBAuthSubcode;
+
+extern const int FBOAuthError;
+
+// Internal class collecting error related methods.
+
+@interface FBErrorUtility(Internal)
+
++ (FBErrorCategory)fberrorCategoryFromError:(NSError *)error
+                                       code:(int)code
+                                   subcode:(int)subcode
+                      returningUserMessage:(NSString **)puserMessage
+                       andShouldNotifyUser:(BOOL *)pshouldNotifyUser;
+
++ (void)fberrorGetCodeValueForError:(NSError *)error
+                              index:(NSUInteger)index
+                               code:(int *)pcode
+                            subcode:(int *)psubcode;
+
++ (NSError *)fberrorForSystemPasswordChange:(NSError *)innerError;
+
++ (NSError *)fberrorForRetry:(NSError *)innerError;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBErrorUtility.h b/Vendor/facebook-ios-sdk/src/FBErrorUtility.h
new file mode 100644
index 0000000..ff6434f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBErrorUtility.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+/*!
+ @class FBErrorUtility
+ 
+ @abstract A utility class with methods to provide more information for Facebook
+ related errors if you do not want to use the NSError(FBError) category.
+ 
+ */
+@interface FBErrorUtility : NSObject
+
+/*!
+ @abstract
+ Categorizes the error, if it is Facebook related, to simplify application mitigation behavior
+ 
+ @discussion
+ In general, in response to an error connecting to Facebook, an application should, retry the
+ operation, request permissions, reconnect the application, or prompt the user to take an action.
+ The error category can be used to understand the class of error received from Facebook.  For more infomation on this
+ see https://developers.facebook.com/docs/reference/api/errors/
+ 
+ @param error the error to be categorized.
+ */
++(FBErrorCategory) errorCategoryForError:(NSError *)error;
+
+/*!
+ @abstract
+ If YES indicates that a user action is required in order to successfully continue with the facebook operation
+ 
+ @discussion
+ In general if this returns NO, then the application has a straightforward mitigation, such as
+ retry the operation or request permissions from the user, etc. In some cases it is necessary for the user to
+ take an action before the application continues to attempt a Facebook connection. For more infomation on this
+ see https://developers.facebook.com/docs/reference/api/errors/
+ 
+ @param error the error to inspect.
+ */
++(BOOL) shouldNotifyUserForError:(NSError *)error;
+
+/*!
+ @abstract
+ A message suitable for display to the user, describing a user action necessary to enable Facebook functionality.
+ Not all Facebook errors yield a message suitable for user display; however in all cases where
+ fberrorShouldNotifyUser is YES, this property returns a localizable message suitable for display.
+
+ @param error the error to inspect.
+ */
++(NSString *) userMessageForError:(NSError *)error;
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBErrorUtility.m b/Vendor/facebook-ios-sdk/src/FBErrorUtility.m
new file mode 100644
index 0000000..b711921
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBErrorUtility.m
@@ -0,0 +1,315 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBError.h"
+#import "FBErrorUtility+Internal.h"
+#import "FBSession.h"
+#import "FBUtility.h"
+#import "FBAccessTokenData+Internal.h"
+
+const int FBOAuthError = 190;
+static const int FBAPISessionError = 102;
+static const int FBAPIServiceError = 2;
+static const int FBAPIUnknownError = 1;
+static const int FBAPITooManyCallsError = 4;
+static const int FBAPIUserTooManyCallsError = 17;
+static const int FBAPIPermissionDeniedError = 10;
+static const int FBAPIPermissionsStartError = 200;
+static const int FBAPIPermissionsEndError = 299;
+static const int FBSDKRetryErrorSubcode = 65000;
+static const int FBSDKSystemPasswordErrorSubcode = 65001;
+
+@implementation FBErrorUtility
+
++(FBErrorCategory) errorCategoryForError:(NSError *)error {
+    int code = 0, subcode = 0;
+    
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:0
+                                           code:&code
+                                        subcode:&subcode];
+    
+    return [FBErrorUtility fberrorCategoryFromError:error
+                                               code:code
+                                            subcode:subcode
+                               returningUserMessage:nil
+                                andShouldNotifyUser:nil];
+}
+
++(BOOL) shouldNotifyUserForError:(NSError *)error {
+    BOOL shouldNotifyUser = NO;
+    int code = 0, subcode = 0;
+    
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:0
+                                           code:&code
+                                        subcode:&subcode];
+    
+    [FBErrorUtility fberrorCategoryFromError:error
+                                        code:code
+                                     subcode:subcode
+                        returningUserMessage:nil
+                         andShouldNotifyUser:&shouldNotifyUser];
+    return shouldNotifyUser;
+}
+
++(NSString *) userMessageForError:(NSError *)error {
+    NSString *message = nil;
+    int code = 0, subcode = 0;
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:0
+                                           code:&code
+                                        subcode:&subcode];
+    
+    [FBErrorUtility fberrorCategoryFromError:error
+                                        code:code
+                                     subcode:subcode
+                        returningUserMessage:&message
+                         andShouldNotifyUser:nil];
+    return message;
+}
+
+// This method is responsible for error categorization and response policy for
+// the SDK; for example, the rules in this method dictate when an auth error is
+// categorized as *Retry vs *ReopenSession, which in turn impacts whether
+// FBRequestConnection auto-closes a session for a given error; additionally,
+// this method generates categories, and user messages for the public NSError
+// category
++ (FBErrorCategory)fberrorCategoryFromError:(NSError *)error
+                                       code:(int)errorCode
+                                   subcode:(int)subcode
+                      returningUserMessage:(NSString **)puserMessage
+                       andShouldNotifyUser:(BOOL *)pshouldNotifyUser {
+    
+    NSString *userMessageKey = nil;
+    NSString *userMessageDefault = nil;
+    
+    BOOL shouldNotifyUser = NO;
+    
+    // defaulting to a non-facebook category
+    FBErrorCategory category = FBErrorCategoryInvalid;
+    
+    // determine if we have a facebook error category here
+    if ([[error domain] isEqualToString:FacebookSDKDomain]) {
+        // now defaulting to an unknown (future) facebook category
+        category = FBErrorCategoryFacebookOther;
+        if ([error code] == FBErrorLoginFailedOrCancelled) {
+            NSString *errorLoginFailedReason = [error userInfo][FBErrorLoginFailedReason];
+            if (errorLoginFailedReason == FBErrorLoginFailedReasonInlineCancelledValue ||
+                errorLoginFailedReason == FBErrorLoginFailedReasonUserCancelledSystemValue ||
+                errorLoginFailedReason == FBErrorLoginFailedReasonUserCancelledValue ||
+                errorLoginFailedReason == FBErrorReauthorizeFailedReasonUserCancelled ||
+                errorLoginFailedReason == FBErrorReauthorizeFailedReasonUserCancelledSystem) {
+                category = FBErrorCategoryUserCancelled;
+            } else {
+                // for now, we use "Retry" as a sentinal indicating any auth error
+                category = FBErrorCategoryRetry;
+            }
+        } else if ([error code] == FBErrorHTTPError) {
+            if ((errorCode == FBOAuthError || errorCode == FBAPISessionError)) {
+                category = FBErrorCategoryAuthenticationReopenSession;
+            } else if (errorCode == FBAPIServiceError || errorCode == FBAPIUnknownError) {
+                category = FBErrorCategoryServer;
+            } else if (errorCode == FBAPITooManyCallsError || errorCode == FBAPIUserTooManyCallsError) {
+                category = FBErrorCategoryThrottling;
+            } else if (errorCode == FBAPIPermissionDeniedError ||
+                       (errorCode >= FBAPIPermissionsStartError && errorCode <= FBAPIPermissionsEndError)) {
+                category = FBErrorCategoryPermissions;
+            }
+        }
+    }
+    
+    // determine details about category, user notification, and message
+    switch (category) {
+        case FBErrorCategoryAuthenticationReopenSession:
+            switch (subcode) {
+                case FBSDKRetryErrorSubcode:
+                    category = FBErrorCategoryRetry;
+                    break;
+                case FBAuthSubcodeExpired:
+                    if (![FBErrorUtility fberrorIsErrorFromSystemSession:error]) {
+                        userMessageKey = @"FBE:ReconnectApplication";
+                        userMessageDefault = @"Please log into this app again to reconnect your Facebook account.";
+                    }
+                    break;
+                case FBSDKSystemPasswordErrorSubcode:
+                case FBAuthSubcodePasswordChanged:
+                    if (subcode == FBSDKSystemPasswordErrorSubcode
+                        || [FBErrorUtility fberrorIsErrorFromSystemSession:error]) {
+                        userMessageKey = @"FBE:PasswordChangedDevice";
+                        userMessageDefault = @"Your Facebook password has changed. To confirm your password, open Settings > Facebook and tap your name.";
+                        shouldNotifyUser = YES;
+                    } else {
+                        userMessageKey = @"FBE:PasswordChanged";
+                        userMessageDefault = @"Your Facebook password has changed. Please log into this app again to reconnect your Facebook account.";
+                    }
+                    break;
+                case FBAuthSubcodeUserCheckpointed:
+                    userMessageKey = @"FBE:WebLogIn";
+                    userMessageDefault = @"Your Facebook account is locked. Please log into www.facebook.com to continue.";
+                    shouldNotifyUser = YES;
+                    category = FBErrorCategoryRetry;
+                    break;
+                case FBAuthSubcodeUnconfirmedUser:
+                    userMessageKey = @"FBE:Unconfirmed";
+                    userMessageDefault = @"Your Facebook account is locked. Please log into www.facebook.com to continue.";
+                    shouldNotifyUser = YES;
+                    break;
+                case FBAuthSubcodeAppNotInstalled:
+                    userMessageKey = @"FBE:AppNotInstalled";
+                    userMessageDefault = @"Please log into this app again to reconnect your Facebook account.";
+                    break;
+                default:
+                    if ([FBErrorUtility fberrorIsErrorFromSystemSession:error] && errorCode == FBOAuthError) {
+                        // This would include the case where the user has toggled the app slider in iOS 6 (and the session
+                        //  had already been open).
+                        userMessageKey = @"FBE:OAuthDevice";
+                        userMessageDefault = @"To use your Facebook account with this app, open Settings > Facebook and make sure this app is turned on.";
+                        shouldNotifyUser = YES;
+                    } 
+                    break;
+            }
+            break;
+        case FBErrorCategoryPermissions:
+            userMessageKey = @"FBE:GrantPermission";
+            userMessageDefault = @"This app doesn’t have permission to do this. To change permissions, try logging into the app again.";
+            break;
+        case FBErrorCategoryRetry:
+            if ([error code] == FBErrorLoginFailedOrCancelled) {
+                if ([[error userInfo][FBErrorLoginFailedReason] isEqualToString:FBErrorLoginFailedReasonSystemDisallowedWithoutErrorValue]) {
+                    // This maps to the iOS 6 slider disabled case.
+                    userMessageKey = @"FBE:OAuthDevice";
+                    userMessageDefault = @"To use your Facebook account with this app, open Settings > Facebook and make sure this app is turned on.";
+                    shouldNotifyUser = YES;
+                    category = FBErrorCategoryServer;
+                } else if ([[error userInfo][FBErrorLoginFailedReason] isEqualToString:FBErrorLoginFailedReasonSystemError]) {
+                    // For other system auth errors, we assume it is not retriable and will surface
+                    // an underlying message is possible (e.g., when there is no connectivity,
+                    // Apple will report "The Internet connection appears to be offline." )
+                    userMessageKey = @"FBE:DeviceError";
+                    userMessageDefault = [[error userInfo][FBErrorInnerErrorKey] userInfo][NSLocalizedDescriptionKey] ? :
+                        @"Something went wrong. Please make sure you're connected to the internet and try again.";
+                    shouldNotifyUser = YES;
+                    category = FBErrorCategoryServer;
+                }
+            }
+            break;
+        case FBErrorCategoryInvalid:
+        case FBErrorCategoryServer:
+        case FBErrorCategoryThrottling:
+        case FBErrorCategoryBadRequest:
+        case FBErrorCategoryFacebookOther:
+        default:
+            userMessageKey = nil;
+            userMessageDefault = nil;
+            break;
+    }
+    
+    if (pshouldNotifyUser) {
+        *pshouldNotifyUser = shouldNotifyUser;
+    }
+    
+    if (puserMessage) {
+        if (userMessageKey) {
+            *puserMessage = [FBUtility localizedStringForKey:userMessageKey
+                                                 withDefault:userMessageDefault];
+        } else {
+            *puserMessage = nil;
+        }
+    }
+    return category;
+}
+
++ (BOOL)fberrorIsErrorFromSystemSession:(NSError *)error {
+    // Categorize the error as system error if we have session state, or the error is wrapping an error from Apple.
+    return ((FBSession*)error.userInfo[FBErrorSessionKey]).accessTokenData.loginType == FBSessionLoginTypeSystemAccount
+     || [((NSError *)error.userInfo[FBErrorInnerErrorKey]).domain isEqualToString:@"com.apple.accounts"];
+}
+
++ (void)fberrorGetCodeValueForError:(NSError *)error
+                              index:(NSUInteger)index
+                               code:(int *)pcode
+                            subcode:(int *)psubcode {
+    
+    // does this error have a response? that is an array?
+    id response = [error.userInfo objectForKey:FBErrorParsedJSONResponseKey];
+    if (response) {
+        id item = nil;
+        if ([response isKindOfClass:[NSArray class]]) {
+            item = [((NSArray*) response) objectAtIndex:index];
+        } else {
+            item = response;
+        }
+        // spelunking a JSON array & nested objects (eg. response[index].body.error.code)
+        id  body, error, code;
+        if ((body = [item objectForKey:@"body"]) &&         // response[index].body
+            [body isKindOfClass:[NSDictionary class]] &&
+            (error = [body objectForKey:@"error"]) &&       // response[index].body.error
+            [error isKindOfClass:[NSDictionary class]]) {
+            if (pcode &&
+                (code = [error objectForKey:@"code"]) &&        // response[index].body.error.code
+                [code isKindOfClass:[NSNumber class]]) {
+                *pcode = [code intValue];
+            }
+            if (psubcode &&
+                (code = [error objectForKey:@"error_subcode"]) &&        // response[index].body.error.error_subcode
+                [code isKindOfClass:[NSNumber class]]) {
+                *psubcode = [code intValue];
+            }
+        }
+    }
+}
+
++ (NSError *) fberrorForRetry:(NSError *)innerError {
+    NSMutableDictionary *userInfoDictionary = [NSMutableDictionary dictionaryWithDictionary:
+                                               @{
+                                                   FBErrorParsedJSONResponseKey : @{
+                                                       @"body" : @{
+                                                           @"error" : @{
+                                                               @"code": [NSNumber numberWithInt:FBOAuthError],
+                                                               @"error_subcode" : [NSNumber numberWithInt:FBSDKRetryErrorSubcode]
+                                                           }
+                                                       }
+                                                   }
+                                               }];
+    if (innerError) {
+        [userInfoDictionary setObject:innerError forKey:FBErrorInnerErrorKey];
+    }
+    return [NSError errorWithDomain:FacebookSDKDomain
+                               code:FBErrorHTTPError
+                           userInfo:userInfoDictionary];
+}
+
++ (NSError *) fberrorForSystemPasswordChange:(NSError *)innerError {
+    NSMutableDictionary *userInfoDictionary = [NSMutableDictionary dictionaryWithDictionary:
+                                               @{
+                                                   FBErrorParsedJSONResponseKey : @{
+                                                        @"body" : @{
+                                                            @"error" : @{
+                                                               @"code": [NSNumber numberWithInt:FBOAuthError],
+                                                               @"error_subcode" : [NSNumber numberWithInt:FBSDKSystemPasswordErrorSubcode]
+                                                            }
+                                                        }
+                                                   }
+                                               }];
+    if (innerError) {
+        [userInfoDictionary setObject:innerError forKey:FBErrorInnerErrorKey];
+    }
+    return [NSError errorWithDomain:FacebookSDKDomain
+                               code:FBErrorHTTPError
+                           userInfo:userInfoDictionary];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.h b/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.h
new file mode 100644
index 0000000..572e71f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import <Foundation/Foundation.h>
+
+// Internal class holding server side Facebook app settings we fetch once from the
+// server per process lifetime.
+
+@interface FBFetchedAppSettings : NSObject
+
+@property (copy, nonatomic) NSString *serverAppName;
+@property (readwrite)       BOOL      supportsAttribution;
+@property (readwrite)       BOOL      supportsImplicitSdkLogging;
+@property (readwrite)       BOOL      suppressNativeGdp;
+@property (readonly, nonatomic) NSString *appID;
+
+-(id) initWithAppID:(NSString *)appID;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.m b/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.m
new file mode 100644
index 0000000..6c1e341
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFetchedAppSettings.m
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSettings.h"
+#import "FBFetchedAppSettings.h"
+
+@interface FBFetchedAppSettings()
+
+@property (readwrite, retain, nonatomic) NSString *appID;
+
+@end
+
+@implementation FBFetchedAppSettings
+
+-(id) init {
+    return [self initWithAppID:nil];
+}
+
+-(id) initWithAppID:(NSString *)appID {
+    if (self = [super init]) {
+        if (appID == nil) {
+            appID = [FBSettings defaultAppID];
+        }
+        self.appID = appID;
+    }
+    return self;
+}
+
+-(void) dealloc {
+    self.serverAppName = nil;
+    self.appID = nil;
+    
+    [super dealloc];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFrictionlessDialogSupportDelegate.h b/Vendor/facebook-ios-sdk/src/FBFrictionlessDialogSupportDelegate.h
new file mode 100644
index 0000000..715c344
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFrictionlessDialogSupportDelegate.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBWebDialogs.h"
+
+@class FBFrictionlessRequestSettings;
+
+// this protocol is internal wiring which
+// enables frictionless uses of web dialogs
+// methods in this protocol are called after the will-present method
+// in the base protocol
+@protocol FBFrictionlessDialogSupportDelegate<FBWebDialogsDelegate>
+@required
+- (BOOL)frictionlessShouldMakeViewInvisible;
+- (FBFrictionlessRequestSettings *)frictionlessSettings;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.h b/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.h
new file mode 100644
index 0000000..115da3a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import <Foundation/Foundation.h>
+#import "FBWebDialogs.h"
+#import "FBRequest.h"
+#import "FBCacheDescriptor.h"
+
+/*!
+ @class FBFrictionlessRecipientCache
+ 
+ @abstract
+ Maintains a cache of friends that can recieve application requests from the user in
+ using the frictionless feature of the requests web dialog.
+ 
+ This class follows the `FBCacheDescriptor` pattern used elsewhere in the SDK, and applications may call
+ one of the prefetchAndCacheForSession methods to fetch a friend list prior to the
+ point where a dialog is presented. The cache is also updated with each presentation of the request 
+ dialog using the cache instance.
+ */
+@interface FBFrictionlessRecipientCache : FBCacheDescriptor<FBWebDialogsDelegate>
+
+/*!
+ @abstract
+ Initializes an empty cache instance
+ */
+- (id)init;
+
+/*! @abstract An array containing the list of known FBIDs for recipients enabled for frictionless requests */
+@property (nonatomic, readwrite, copy) NSArray *recipientIDs;
+
+/*!
+ @abstract
+ Checks to see if a given user or FBID for a user is known to be enabled for 
+ frictionless requestests
+ 
+ @param user An NSString, NSNumber of `FBGraphUser` representing a user to check
+ */
+- (BOOL)isFrictionlessRecipient:(id)user;
+
+/*!
+ @abstract
+ Checks to see if a collection of users or FBIDs for users are known to be enabled for
+ frictionless requestests
+ 
+ @param users An NSArray of NSString, NSNumber of `FBGraphUser` objects
+ representing users to check
+ */
+- (BOOL)areFrictionlessRecipients:(NSArray*)users;
+
+/*!
+ @abstract
+ Issues a request and fills the cache with a list of users to use for frictionless requests
+ 
+ @param session The session to use for the request; nil indicates that the Active Session should
+ be used
+ */
+- (void)prefetchAndCacheForSession:(FBSession *)session;
+
+/*!
+ @abstract
+ Issues a request and fills the cache with a list of users to use for frictionless requests
+ 
+ @param session The session to use for the request; nil indicates that the Active Session should
+ be used
+ 
+ @param handler An optional completion handler, called when the request for cached users has
+ completed. It can be useful to use the handler to enable UI or perform other request-related
+ operations, after the cache is populated.
+ */
+- (void)prefetchAndCacheForSession:(FBSession *)session
+                 completionHandler:(FBRequestHandler)handler;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.m b/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.m
new file mode 100644
index 0000000..fabd187
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFrictionlessRecipientCache.m
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBFrictionlessDialogSupportDelegate.h"
+#import "FBFrictionlessRequestSettings.h"
+#import "FBUtility.h"
+#import "FBSession+Internal.h"
+#import "FBFrictionlessRecipientCache.h"
+
+@interface FBFrictionlessRecipientCache () <FBFrictionlessDialogSupportDelegate>
+@property (nonatomic, readwrite) BOOL frictionlessShouldMakeViewInvisible;
+@property (nonatomic, readwrite, retain) FBFrictionlessRequestSettings *frictionlessSettings;
+@end
+
+@implementation FBFrictionlessRecipientCache 
+
+@synthesize frictionlessSettings = _frictionlessSettings;
+@synthesize frictionlessShouldMakeViewInvisible = _frictionlessShouldMakeViewInvisible;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        self.frictionlessSettings = [[[FBFrictionlessRequestSettings alloc] init] autorelease];
+        [self.frictionlessSettings enableWithFacebook:nil]; // sets the flag on
+    }
+    return self;
+}
+
+- (void)dealloc {
+    self.frictionlessSettings = nil;
+    [super dealloc];
+}
+
+- (NSArray *)recipientIDs {
+    return self.frictionlessSettings.recipientIDs;
+}
+
+- (void)setRecipientIDs:(NSArray *)recipientIDs {
+    [self.frictionlessSettings updateRecipientCacheWithRecipients:recipientIDs];
+}
+
+- (BOOL)isFrictionlessRecipient:(id)fbid {
+    // we support NSString, NSNumber and dictionary with id-key of string or number
+    return [self.frictionlessSettings isFrictionlessEnabledForRecipient:[FBUtility stringFBIDFromObject:fbid]];
+}
+
+- (BOOL)areFrictionlessRecipients:(NSArray*)fbids {
+    // we handle arrays of NSString, NSNumber, or dictionary with id-key of string or number
+    // and return NO on anything else
+    for (id fbid in fbids) {
+        // if we miss our cache once, we fail the set
+        if (![self isFrictionlessRecipient:fbid]) {
+            return NO;
+        }
+    }
+    return YES;
+}
+
+- (void)prefetchAndCacheForSession:(FBSession *)session {
+    [self prefetchAndCacheForSession:session
+                   completionHandler:nil];
+}
+
+- (void)prefetchAndCacheForSession:(FBSession *)session
+                 completionHandler:(FBRequestHandler)handler {
+    
+    // if a session isn't specified, fall back to active session when available
+    if (!session) {
+        session = [FBSession activeSessionIfOpen];
+    }
+    
+    [[[[FBRequest alloc] initWithSession:session
+                               graphPath:@"me/apprequestformerrecipients"]
+      autorelease]
+     startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+         [self.frictionlessSettings updateRecipientCacheWithRequestResult:result];
+         if (handler) {
+             handler(connection, result, error);
+         }
+     }];
+}
+
+- (void)webDialogsWillPresentDialog:(NSString *)dialog
+                         parameters:(NSMutableDictionary *)parameters
+                            session:(FBSession *)session {
+    
+    // this method adds fricitonless behaviors to a dialog presentation, if the
+    // dialog is an apprequests dialog; noop if a non-apprequests dialog
+    if ([dialog isEqualToString:@"apprequests"]) {
+        
+        // frictionless parameter means:
+        //  a. show the "Don't show this again for these friends" checkbox
+        //  b. if the developer is sending a targeted request, then skip the loading screen
+        [parameters setValue:@"1" forKey:@"frictionless"];
+        // get_frictionless_recipients parameter means: request the frictionless recipient list encoded in the success url
+        [parameters setValue:@"1" forKey:@"get_frictionless_recipients"];
+        
+        self.frictionlessShouldMakeViewInvisible = NO;
+        
+        // set invisible if all recipients are enabled for frictionless requests
+        id fbid = [parameters objectForKey:@"to"];
+        if (fbid != nil) {
+            // if value parses as a json array expression get the list that way
+            id fbids = [FBUtility simpleJSONDecode:fbid];
+            if (![fbids isKindOfClass:[NSArray class]]) {
+                // otherwise separate by commas (handles the singleton case too)
+                fbids = [fbid componentsSeparatedByString:@","];
+            }
+            self.frictionlessShouldMakeViewInvisible = [self.frictionlessSettings isFrictionlessEnabledForRecipients:fbids];
+        }
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.h b/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.h
new file mode 100644
index 0000000..7207f06
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@class Facebook;
+@class FBRequest;
+
+/**
+ * Do not use this interface directly, instead, use methods in Facebook.h
+ *
+ * Handles frictionless interaction and recipient-caching by the SDK,
+ * see https://developers.facebook.com/docs/reference/dialogs/requests/ 
+ */
+@interface FBFrictionlessRequestSettings : NSObject {
+@private
+    NSArray*            _allowedRecipients;
+    FBRequest*          _activeRequest;
+    BOOL                _enabled;
+}
+
+/**
+ * BOOL indicating whether frictionless request sending has been enabled
+ */
+@property(nonatomic, readonly) BOOL enabled;
+
+/**
+ * NSArray of recipients
+ */
+@property(nonatomic, readonly) NSArray *recipientIDs;
+
+/**
+ * Enable frictionless request sending by the sdk; this means:
+ *   1. query and cache the current set of frictionless recipients
+ *   2. flag other facets of the sdk to behave in a frictionless way
+ */
+- (void)enableWithFacebook:(Facebook*)facebook;
+
+/**
+ * Reload recipient cache; called by the sdk to keep the cache fresh;
+ * method makes graph request: me/apprequestformerrecipients
+ */
+- (void)reloadRecipientCacheWithFacebook:(Facebook*)facebook;
+
+/**
+ * Update the recipient cache; called by the sdk to keep the cache fresh;
+ */
+- (void)updateRecipientCacheWithRecipients:(NSArray*)ids;
+
+/**
+ * Update the recipient cache, using a request result
+ */
+- (void)updateRecipientCacheWithRequestResult:(id)result;
+
+/**
+ * Given an fbID for a user, indicates whether user is enabled for
+ * frictionless calls
+ */
+- (BOOL)isFrictionlessEnabledForRecipient:(id)fbid;
+
+/**
+ * Given an array of user fbIDs, indicates whether they are enabled for
+ * frictionless calls
+ */
+- (BOOL)isFrictionlessEnabledForRecipients:(NSArray*)fbids;
+
+/**
+ * init the frictionless cache object
+ */
+- (id)init;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.m b/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.m
new file mode 100644
index 0000000..4124e34
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFrictionlessRequestSettings.m
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "Facebook.h"
+#import "FBFrictionlessRequestSettings.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// private interface
+//
+@interface FBFrictionlessRequestSettings () <FBRequestDelegate>
+
+@property (readwrite, retain) NSArray *allowedRecipients;
+@property (readwrite, retain) FBRequest *activeRequest;
+
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation FBFrictionlessRequestSettings 
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// public
+
+@synthesize enabled = _enabled;
+
+- (id)init {
+    if (self = [super init]) {
+        // start life with an empty frictionless cache
+        self.allowedRecipients = [[[NSArray alloc] init] autorelease];
+    }
+    return self;
+}
+
+- (void)enableWithFacebook:(Facebook*)facebook {
+    if (!_enabled) {
+        _enabled = YES;
+        if (facebook) {
+            [self reloadRecipientCacheWithFacebook:facebook];
+        }
+    }
+}
+
+- (void)reloadRecipientCacheWithFacebook:(Facebook *)facebook {
+    // request the list of frictionless recipients from the server
+    id request = [facebook requestWithGraphPath:@"me/apprequestformerrecipients"
+                                    andDelegate:self];
+    if (request) {
+        self.activeRequest = request;
+    }    
+}
+
+- (NSArray *)recipientIDs {
+    return self.allowedRecipients;
+}
+
+- (void)updateRecipientCacheWithRecipients:(NSArray*)ids {
+    // if setting recipients directly, no need to complete pending request
+    self.activeRequest = nil;
+    
+    if (ids == nil) {
+        self.allowedRecipients = [[[NSArray alloc] init] autorelease];
+    } else {
+        self.allowedRecipients = [[[NSArray alloc] initWithArray:ids] autorelease];
+    }
+}
+
+- (BOOL)isFrictionlessEnabledForRecipient:(NSString *)fbid {
+    // trim whitespace from edges
+    fbid = [fbid stringByTrimmingCharactersInSet:
+                             [NSCharacterSet whitespaceCharacterSet]];
+
+    // linear search through cache for a match
+    for (NSString *entry in self.allowedRecipients) {
+        if ([entry isEqualToString:fbid]) {
+            return YES;
+        }
+    }
+    return NO;
+}
+
+- (BOOL)isFrictionlessEnabledForRecipients:(NSArray*)fbids {
+    // we handle arrays of NSString and NSNumber, and throw on anything else
+    for (id fbid in fbids) {
+        NSString* fbidstr;
+        // give us a number, and we convert it to a string
+        if ([fbid isKindOfClass:[NSNumber class]]) {
+            fbidstr = [(NSNumber*)fbid stringValue];
+        } else if ([fbid isKindOfClass:[NSString class]]) {
+            // or give us a string, and we just use it as is
+            fbidstr = (NSString*)fbid;
+        } else {
+            // unexpected type found in the array of fbids
+            @throw [NSException exceptionWithName:NSInvalidArgumentException
+                                           reason:@"items in fbids must be NSString or NSNumber"
+                                         userInfo:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                   [fbid class], @"invalid class", 
+                                                   nil]];
+        }
+        
+        // if we miss our cache once, we fail the set
+        if (![self isFrictionlessEnabledForRecipient:fbidstr]) {
+            return NO;
+        }
+    }
+    return YES;
+}
+
+- (void)updateRecipientCacheWithRequestResult:(id)result {
+    // a little request bookkeeping
+    self.activeRequest = nil;
+
+    NSUInteger items = [[result objectForKey: @"data"] count];
+    NSMutableArray* recipients = [[[NSMutableArray alloc] initWithCapacity: items] autorelease];
+        
+    for (NSUInteger i = 0; i < items; i++) {
+        [recipients addObject: [[[result objectForKey: @"data"] 
+                                 objectAtIndex: i] 
+                                objectForKey: @"recipient_id"]] ;
+    }
+        
+    self.allowedRecipients = recipients;        
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// FBRequestDelegate
+- (void)request:(FBRequest *)request
+        didLoad:(id)result {
+    [self updateRecipientCacheWithRequestResult:result];
+}
+
+- (void)request:(FBRequest *)request didFailWithError:(NSError *)error {
+    // if the request to load the frictionless recipients fails, proceed without updating 
+    // the recipients cache; the cache may become invalid due to a failed update or other reasons
+    // (e.g. simultaneous use of the same app from multiple devices), in the case of an invalid
+    // cache, a request dialog may either appear a moment later than it usually would, or appear
+    // briefly when it should not appear at all; in either case the correct request behavior 
+    // occurs, and the cache is updated
+    self.activeRequest = nil;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// NSObject
+
+- (void)dealloc {    
+    self.activeRequest = nil;
+    self.allowedRecipients = nil;
+    [super dealloc];
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// private helpers
+// 
+
+@synthesize allowedRecipients = _allowedRecipients;
+@synthesize activeRequest = _activeRequest;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.h b/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.h
new file mode 100644
index 0000000..ab133a0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBCacheDescriptor.h"
+
+/*
+ @class 
+ 
+ @abstract
+ Represents the data needed by an FBFriendPickerViewController, in order to construct
+ the necessary request to populate the view; instances of FBFriendPickerCacheDescriptor
+ are used to fetch data ahead of the point when the data is used to populate a display.
+ 
+ @discussion
+ A common use of an FBFriendPickerCacheDescriptor instance, is to allocate an instance
+ at the point when a session is opened, and then call prefetchAndCacheForSession. This 
+ causes the API to fetch and cache the data needed by the FBFriendPickerViewController.
+ If at some point the user goes to select friends, the FBFriendPickerViewController
+ will first check the cache for a copy of the friends list, and then after displaying
+ whatever cached data is available, then it will fetch a fresh copy of the friends list.
+ 
+ @unsorted
+ */
+@interface FBFriendPickerCacheDescriptor : FBCacheDescriptor
+
+/*
+ @method
+ 
+ @abstract
+ Initializes an instance with default values for populating 
+ a FBFriendPickerViewController, at some later point.
+*/
+- (id)init;
+
+/*
+ @method
+ 
+ @abstract
+ Initializes an instance specifying the userID to use for populating 
+ a FBFriendPickerViewController, at some later point.
+*/
+- (id)initWithUserID:(NSString*)userID;
+
+/*
+ @method
+ 
+ @abstract
+ Initializes an instance specifying the fields to use for populating 
+ a FBFriendPickerViewController, at some later point.
+*/
+- (id)initWithFieldsForRequest:(NSSet*)fieldsForRequest;
+
+/*
+ @method
+ 
+ @abstract
+ Initializes an instance specifying the userID and fields to use for populating 
+ a FBFriendPickerViewController, at some later point.
+  
+ @param userID              fbid of the user whose friends we wish to display; nil='me'
+ @param fieldsForRequest    set of additional fields to include in request for friends 
+ */
+- (id)initWithUserID:(NSString*)userID fieldsForRequest:(NSSet*)fieldsForRequest;
+
+/*
+ @abstract
+ Fields to use when fetching data for the view
+ */
+@property (nonatomic, readonly, copy) NSSet *fieldsForRequest;
+
+/*
+ @abstract
+ Indicates the fbid of the user whose friends are being viewed
+ */
+@property (nonatomic, readonly, copy) NSString *userID;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.m b/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.m
new file mode 100644
index 0000000..98b0987
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFriendPickerCacheDescriptor.m
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBFriendPickerCacheDescriptor.h"
+#import "FBFriendPickerViewController+Internal.h"
+#import "FBSession.h"
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBGraphObjectPagingLoader.h"
+
+@interface FBFriendPickerCacheDescriptor () <FBGraphObjectPagingLoaderDelegate>
+
+@property (nonatomic, readwrite, copy) NSSet *fieldsForRequest;
+@property (nonatomic, readwrite, copy) NSString *userID;
+@property (nonatomic, readwrite, retain) FBGraphObjectPagingLoader *loader;
+
+// these properties are only used by unit tests, and should not be removed or made public
+@property (nonatomic, readwrite, assign) BOOL hasCompletedFetch;
+@property (nonatomic, readwrite, assign) BOOL usePageLimitOfOne;
+- (void)setUsePageLimitOfOne;
+
+@end
+
+@implementation FBFriendPickerCacheDescriptor
+
+@synthesize fieldsForRequest = _fieldsForRequest,
+            userID = _userID,
+            loader = _loader,
+            hasCompletedFetch = _hasCompletedFetch,
+            usePageLimitOfOne = _usePageLimitOfOne;
+
+- (id)init {
+    return [self initWithUserID:nil
+               fieldsForRequest:nil];
+}
+
+- (id)initWithUserID:(NSString*)userID {
+    return [self initWithUserID:userID 
+               fieldsForRequest:nil];
+}
+
+- (id)initWithFieldsForRequest:(NSSet*)fieldsForRequest {
+    return [self initWithUserID:nil
+               fieldsForRequest:fieldsForRequest];
+}
+
+- (id)initWithUserID:(NSString*)userID fieldsForRequest:(NSSet*)fieldsForRequest {
+    self = [super init];
+    if (self) {
+        self.fieldsForRequest = fieldsForRequest ? fieldsForRequest : [NSSet set];
+        self.userID = userID;
+        self.hasCompletedFetch = NO;
+        self.usePageLimitOfOne = NO;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    self.fieldsForRequest = nil;
+    self.userID = nil;
+    self.loader = nil;
+    [super dealloc];
+}
+
+- (void)prefetchAndCacheForSession:(FBSession*)session {
+    // Friend queries require a session, so do nothing if we don't have one.
+    if (session == nil) {
+        return;
+    }
+
+    // datasource has some field ownership, so we need one here
+    FBGraphObjectTableDataSource *datasource = [[[FBGraphObjectTableDataSource alloc] init] autorelease];
+    datasource.groupByField = @"name";
+    
+    // me or one of my friends that also uses the app
+    NSString *user = self.userID;
+    if (!user) {
+        user = @"me";
+    }
+    
+    // create the request object that we will start with
+    FBRequest *request = [FBFriendPickerViewController requestWithUserID:user
+                                                                  fields:self.fieldsForRequest
+                                                              dataSource:datasource
+                                                                 session:session];
+    
+    // this property supports unit testing
+    if(self.usePageLimitOfOne) {
+        [request.parameters setObject:@"1"
+                               forKey:@"limit"];
+    }
+    
+    self.loader.delegate = nil;
+    self.loader = [[[FBGraphObjectPagingLoader alloc] initWithDataSource:datasource
+                                                              pagingMode:FBGraphObjectPagingModeImmediateViewless]
+                   autorelease];
+    self.loader.session = session;
+    
+    self.loader.delegate = self;
+    
+    // make sure we are around to handle the delegate call
+    [self retain];
+
+    // seed the cache
+    [self.loader startLoadingWithRequest:request
+                           cacheIdentity:FBFriendPickerCacheIdentity
+                   skipRoundtripIfCached:NO];
+}
+
+- (void)setUsePageLimitOfOne {
+    self.usePageLimitOfOne = YES;
+}
+
+- (void)pagingLoaderDidFinishLoading:(FBGraphObjectPagingLoader *)pagingLoader {
+    self.loader.delegate = nil;
+    self.loader = nil;
+    self.hasCompletedFetch = YES;
+    
+    // this feels like suicide!
+    [self release];    
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController+Internal.h b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController+Internal.h
new file mode 100644
index 0000000..2b1d418
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController+Internal.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBFriendPickerViewController.h"
+#import "FBRequest.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBSession.h"
+
+// This is the cache identity used by both the view controller and cache descriptor objects
+extern NSString *const FBFriendPickerCacheIdentity;
+
+@interface FBFriendPickerViewController (Internal)
+
++ (FBRequest*)requestWithUserID:(NSString*)userID
+                         fields:(NSSet*)fields
+                     dataSource:(FBGraphObjectTableDataSource*)datasource
+                        session:(FBSession*)session;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.h b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.h
new file mode 100644
index 0000000..35ac148
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.h
@@ -0,0 +1,290 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBGraphUser.h"
+#import "FBSession.h"
+#import "FBCacheDescriptor.h"
+#import "FBViewController.h"
+
+@protocol FBFriendPickerDelegate;
+@class FBFriendPickerCacheDescriptor;
+
+/*! 
+ @typedef FBFriendSortOrdering enum
+ 
+ @abstract Indicates the order in which friends should be listed in the friend picker.
+ 
+ @discussion
+ */
+typedef enum {
+    /*! Sort friends by first, middle, last names. */
+    FBFriendSortByFirstName,
+    /*! Sort friends by last, first, middle names. */
+    FBFriendSortByLastName
+} FBFriendSortOrdering;
+
+/*! 
+ @typedef FBFriendDisplayOrdering enum
+ 
+ @abstract Indicates whether friends should be displayed first-name-first or last-name-first.
+ 
+ @discussion
+ */
+typedef enum {
+    /*! Display friends as First Middle Last. */
+    FBFriendDisplayByFirstName,
+    /*! Display friends as Last First Middle. */
+    FBFriendDisplayByLastName,
+} FBFriendDisplayOrdering;
+
+
+/*! 
+ @class
+ 
+ @abstract 
+ The `FBFriendPickerViewController` class creates a controller object that manages 
+ the user interface for displaying and selecting Facebook friends.
+ 
+ @discussion
+ When the `FBFriendPickerViewController` view loads it creates a `UITableView` object 
+ where the friends will be displayed. You can access this view through the `tableView` 
+ property. The friend display can be sorted by first name or last name. Friends'
+ names can be displayed with the first name first or the last name first.
+ 
+ The friend data can be pre-fetched and cached prior to using the view controller. The
+ cache is setup using an <FBCacheDescriptor> object that can trigger the
+ data fetch. Any friend data requests will first check the cache and use that data.
+ If the friend picker is being displayed cached data will initially be shown before
+ a fresh copy is retrieved.
+ 
+ The `delegate` property may be set to an object that conforms to the <FBFriendPickerDelegate>
+ protocol. The `delegate` object will receive updates related to friend selection and
+ data changes. The delegate can also be used to filter the friends to display in the
+ picker.
+ */
+@interface FBFriendPickerViewController : FBViewController
+
+/*!
+ @abstract
+ Returns an outlet for the spinner used in the view controller.
+ */
+@property (nonatomic, retain) IBOutlet UIActivityIndicatorView *spinner;
+
+/*!
+ @abstract
+ Returns an outlet for the table view managed by the view controller.
+ */
+@property (nonatomic, retain) IBOutlet UITableView *tableView;
+
+/*!
+ @abstract
+ A Boolean value that specifies whether multi-select is enabled.
+ */
+@property (nonatomic) BOOL allowsMultipleSelection;
+
+/*!
+ @abstract
+ A Boolean value that indicates whether friend profile pictures are displayed.
+ */
+@property (nonatomic) BOOL itemPicturesEnabled;
+
+/*!
+ @abstract
+ Addtional fields to fetch when making the Graph API call to get friend data.
+ */
+@property (nonatomic, copy) NSSet *fieldsForRequest;
+
+/*!
+ @abstract
+ The session that is used in the request for friend data.
+ */
+@property (nonatomic, retain) FBSession *session;
+
+/*!
+ @abstract
+ The profile ID of the user whose friends are being viewed.
+ */
+@property (nonatomic, copy) NSString *userID;
+
+/*!
+ @abstract
+ The list of friends that are currently selected in the veiw.
+ The items in the array are <FBGraphUser> objects.
+ */
+@property (nonatomic, retain, readonly) NSArray *selection;
+
+/*!
+ @abstract
+ The order in which friends are sorted in the display.
+ */
+@property (nonatomic) FBFriendSortOrdering sortOrdering;
+
+/*!
+ @abstract
+ The order in which friends' names are displayed.
+ */
+@property (nonatomic) FBFriendDisplayOrdering displayOrdering;
+
+/*!
+ @abstract
+ Initializes a friend picker view controller.
+ */
+- (id)init;
+
+/*!
+ @abstract
+ Initializes a friend picker view controller.
+
+ @param aDecoder        An unarchiver object.
+ */
+- (id)initWithCoder:(NSCoder *)aDecoder;
+
+/*!
+ @abstract
+ Used to initialize the object
+ 
+ @param nibNameOrNil            The name of the nib file to associate with the view controller. The nib file name should not contain any leading path information. If you specify nil, the nibName property is set to nil.
+ @param nibBundleOrNil          The bundle in which to search for the nib file. This method looks for the nib file in the bundle's language-specific project directories first, followed by the Resources directory. If nil, this method looks for the nib file in the main bundle.
+ */
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil;
+
+/*!
+ @abstract
+ Configures the properties used in the caching data queries.
+ 
+ @discussion
+ Cache descriptors are used to fetch and cache the data used by the view controller.
+ If the view controller finds a cached copy of the data, it will
+ first display the cached content then fetch a fresh copy from the server.
+ 
+ @param cacheDescriptor     The <FBCacheDescriptor> containing the cache query properties.
+ */
+- (void)configureUsingCachedDescriptor:(FBCacheDescriptor*)cacheDescriptor;
+
+/*!
+ @abstract
+ Initiates a query to get friend data. 
+ 
+ @discussion
+ A cached copy will be returned if available. The cached view is temporary until a fresh copy is
+ retrieved from the server. It is legal to call this more than once.
+ */
+- (void)loadData;
+
+/*!
+ @abstract
+ Updates the view locally without fetching data from the server or from cache.
+ 
+ @discussion
+ Use this if the filter or sort properties change. This may affect the order or
+ display of friend information but should not need require new data.
+ */
+- (void)updateView;
+
+/*!
+ @abstract
+ Clears the current selection, so the picker is ready for a fresh use.
+ */
+- (void)clearSelection;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a cache descriptor based on default settings of the `FBFriendPickerViewController` object.
+ 
+ @discussion
+ An `FBCacheDescriptor` object may be used to pre-fetch data before it is used by
+ the view controller. It may also be used to configure the `FBFriendPickerViewController` 
+ object.
+ */
++ (FBCacheDescriptor*)cacheDescriptor;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a cache descriptor with additional fields and a profile ID for use with the `FBFriendPickerViewController` object.
+ 
+ @discussion
+ An `FBCacheDescriptor` object may be used to pre-fetch data before it is used by
+ the view controller. It may also be used to configure the `FBFriendPickerViewController` 
+ object.
+ 
+ @param userID              The profile ID of the user whose friends will be displayed. A nil value implies a "me" alias. 
+ @param fieldsForRequest    The set of additional fields to include in the request for friend data. 
+ */
++ (FBCacheDescriptor*)cacheDescriptorWithUserID:(NSString*)userID fieldsForRequest:(NSSet*)fieldsForRequest;
+
+@end
+
+/*! 
+ @protocol
+ 
+ @abstract 
+ The `FBFriendPickerDelegate` protocol defines the methods used to receive event 
+ notifications and allow for deeper control of the <FBFriendPickerViewController>
+ view.
+ */
+@protocol FBFriendPickerDelegate <FBViewControllerDelegate>
+@optional
+
+/*!
+ @abstract 
+ Tells the delegate that data has been loaded.
+
+ @discussion
+ The <FBFriendPickerViewController> object's `tableView` property is automatically 
+ reloaded when this happens. However, if another table view, for example the
+ `UISearchBar` is showing data, then it may also need to be reloaded.
+
+ @param friendPicker        The friend picker view controller whose data changed.
+ */
+- (void)friendPickerViewControllerDataDidChange:(FBFriendPickerViewController *)friendPicker;
+
+/*!
+ @abstract
+ Tells the delegate that the selection has changed.
+
+ @param friendPicker        The friend picker view controller whose selection changed.
+ */
+- (void)friendPickerViewControllerSelectionDidChange:(FBFriendPickerViewController *)friendPicker;
+
+/*!
+ @abstract
+ Asks the delegate whether to include a friend in the list.
+ 
+ @discussion
+ This can be used to implement a search bar that filters the friend list.
+
+ @param friendPicker        The friend picker view controller that is requesting this information.
+ @param user                An <FBGraphUser> object representing the friend.
+ */
+- (BOOL)friendPickerViewController:(FBFriendPickerViewController *)friendPicker
+                 shouldIncludeUser:(id <FBGraphUser>)user;
+
+/*!
+ @abstract
+ Tells the delegate that there is a communication error.
+
+ @param friendPicker        The friend picker view controller that encountered the error.
+ @param error               An error object containing details of the error.
+ */
+- (void)friendPickerViewController:(FBFriendPickerViewController *)friendPicker
+                       handleError:(NSError *)error;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.m b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.m
new file mode 100644
index 0000000..06d4ea9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBFriendPickerViewController.m
@@ -0,0 +1,529 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBError.h"
+#import "FBFriendPickerViewController.h"
+#import "FBFriendPickerViewController+Internal.h"
+#import "FBFriendPickerCacheDescriptor.h"
+#import "FBGraphObjectPagingLoader.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBGraphObjectTableSelection.h"
+#import "FBGraphObjectTableCell.h"
+#import "FBAppEvents+Internal.h"
+#import "FBLogger.h"
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBUtility.h"
+#import "FBSession+Internal.h"
+#import "FBSettings.h"
+#import "FBFriendPickerViewDefaultPNG.h"
+
+NSString *const FBFriendPickerCacheIdentity = @"FBFriendPicker";
+
+int const FBRefreshCacheDelaySeconds = 2;
+
+@interface FBFriendPickerViewController () <FBGraphObjectSelectionChangedDelegate, 
+                                            FBGraphObjectViewControllerDelegate,
+                                            FBGraphObjectPagingLoaderDelegate>
+
+@property (nonatomic, retain) FBGraphObjectTableDataSource *dataSource;
+@property (nonatomic, retain) FBGraphObjectTableSelection *selectionManager;
+@property (nonatomic, retain) FBGraphObjectPagingLoader *loader;
+@property (nonatomic) BOOL trackActiveSession;
+
+- (void)initialize;
+- (void)centerAndStartSpinner;
+- (void)loadDataSkippingRoundTripIfCached:(NSNumber*)skipRoundTripIfCached;
+- (FBRequest*)requestForLoadData;
+- (void)addSessionObserver:(FBSession*)session;
+- (void)removeSessionObserver:(FBSession*)session;
+- (void)clearData;
+
+@end
+
+@implementation FBFriendPickerViewController {
+    BOOL _allowsMultipleSelection;
+}
+
+@synthesize dataSource = _dataSource;
+@synthesize delegate = _delegate;
+@synthesize fieldsForRequest = _fieldsForRequest;
+@synthesize selectionManager = _selectionManager;
+@synthesize spinner = _spinner;
+@synthesize tableView = _tableView;
+@synthesize userID = _userID;
+@synthesize loader = _loader;
+@synthesize sortOrdering = _sortOrdering;
+@synthesize displayOrdering = _displayOrdering;
+@synthesize trackActiveSession = _trackActiveSession;
+@synthesize session = _session;
+
+- (id)init {
+    self = [super init];
+
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    self = [super initWithCoder:aDecoder];
+    
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (void)initialize {
+    // Data Source
+    FBGraphObjectTableDataSource *dataSource = [[[FBGraphObjectTableDataSource alloc]
+                                                 init]
+                                                autorelease];
+    dataSource.defaultPicture = [FBFriendPickerViewDefaultPNG image];
+    dataSource.controllerDelegate = self;
+    dataSource.itemTitleSuffixEnabled = YES;
+    
+    // Selection Manager
+    FBGraphObjectTableSelection *selectionManager = [[[FBGraphObjectTableSelection alloc]
+                                                      initWithDataSource:dataSource]
+                                                     autorelease];
+    selectionManager.delegate = self;
+
+    // Paging loader
+    id loader = [[[FBGraphObjectPagingLoader alloc] initWithDataSource:dataSource
+                                                            pagingMode:FBGraphObjectPagingModeImmediate]
+                 autorelease];
+    self.loader = loader;
+    self.loader.delegate = self;
+
+    // Self
+    self.allowsMultipleSelection = YES;
+    self.dataSource = dataSource;
+    self.delegate = nil;
+    self.itemPicturesEnabled = YES;
+    self.selectionManager = selectionManager;
+    self.userID = @"me";
+    self.sortOrdering = FBFriendSortByFirstName;
+    self.displayOrdering = FBFriendDisplayByFirstName;
+    self.trackActiveSession = YES;
+}
+
+- (void)dealloc {
+    [_loader cancel];
+    _loader.delegate = nil;
+    [_loader release];
+
+    _dataSource.controllerDelegate = nil;
+    
+    [_dataSource release];
+    [_fieldsForRequest release];
+    [_selectionManager release];
+    [_spinner release];
+    [_tableView release];
+    [_userID release];
+    
+    [self removeSessionObserver:_session];
+    [_session release];
+    
+    [super dealloc];
+}
+
+#pragma mark - Custom Properties
+
+- (BOOL)allowsMultipleSelection {
+    return _allowsMultipleSelection;
+}
+
+- (void)setAllowsMultipleSelection:(BOOL)allowsMultipleSelection {
+    _allowsMultipleSelection = allowsMultipleSelection;
+    if (self.selectionManager) {
+        self.selectionManager.allowsMultipleSelection = allowsMultipleSelection;
+    }
+}
+
+- (BOOL)itemPicturesEnabled {
+    return self.dataSource.itemPicturesEnabled;
+}
+
+- (void)setItemPicturesEnabled:(BOOL)itemPicturesEnabled {
+    self.dataSource.itemPicturesEnabled = itemPicturesEnabled;
+}
+
+- (NSArray *)selection {
+    return self.selectionManager.selection;
+}
+
+// We don't really need to store session, let the loader hold it.
+- (void)setSession:(FBSession *)session {
+    if (session != _session) {
+        [self removeSessionObserver:_session];
+        
+        [_session release];
+        _session = [session retain];
+        
+        [self addSessionObserver:session];
+        
+        self.loader.session = session;
+        
+        self.trackActiveSession = (session == nil);
+    }
+}
+
+
+#pragma mark - Public Methods
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    [FBLogger registerCurrentTime:FBLoggingBehaviorPerformanceCharacteristics
+                          withTag:self];
+    CGRect bounds = self.canvasView.bounds;
+
+    if (!self.tableView) {
+        UITableView *tableView = [[[UITableView alloc] initWithFrame:bounds] autorelease];
+        tableView.autoresizingMask =
+            UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+
+        self.tableView = tableView;
+        [self.canvasView addSubview:tableView];
+    }
+
+    if (!self.spinner) {
+        UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc]
+                                             initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray]
+                                            autorelease];
+        spinner.hidesWhenStopped = YES;
+        // We want user to be able to scroll while we load.
+        spinner.userInteractionEnabled = NO;
+        
+        self.spinner = spinner;
+        [self.canvasView addSubview:spinner];
+    }
+
+    self.selectionManager.allowsMultipleSelection = self.allowsMultipleSelection;
+    self.tableView.delegate = self.selectionManager;
+    [self.dataSource bindTableView:self.tableView];
+    self.loader.tableView = self.tableView;
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+
+    self.loader.tableView = nil;
+    self.spinner = nil;
+    self.tableView = nil;
+}
+
+- (void)configureUsingCachedDescriptor:(FBCacheDescriptor*)cacheDescriptor {
+    if (![cacheDescriptor isKindOfClass:[FBFriendPickerCacheDescriptor class]]) {
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBFriendPickerViewController: An attempt was made to configure "
+                                        @"an instance with a cache descriptor object that was not created "
+                                        @"by the FBFriendPickerViewController class"
+                               userInfo:nil]
+         raise];
+    }
+    FBFriendPickerCacheDescriptor *cd = (FBFriendPickerCacheDescriptor*)cacheDescriptor;
+    self.userID = cd.userID;
+    self.fieldsForRequest = cd.fieldsForRequest;
+}
+
+- (void)loadData {
+    // when the app calls loadData,
+    // if we don't have a session and there is 
+    // an open active session, use that
+    if (!self.session || 
+        (self.trackActiveSession && ![self.session isEqual:[FBSession activeSessionIfOpen]])) {
+        self.session = [FBSession activeSessionIfOpen];
+        self.trackActiveSession = YES;
+    }
+    [self loadDataSkippingRoundTripIfCached:[NSNumber numberWithBool:YES]];
+}
+
+- (void)updateView {
+    [self.dataSource update];
+    [self.tableView reloadData];
+}
+
+- (void)clearSelection {
+    [self.selectionManager clearSelectionInTableView:self.tableView];
+}
+
+- (void)addSessionObserver:(FBSession *)session {
+    [session addObserver:self
+              forKeyPath:@"state"
+                 options:NSKeyValueObservingOptionNew
+                 context:nil];
+}
+
+- (void)removeSessionObserver:(FBSession *)session {    
+    [session removeObserver:self
+                 forKeyPath:@"state"];
+}
+
+- (void)observeValueForKeyPath:(NSString *)keyPath 
+                      ofObject:(id)object 
+                        change:(NSDictionary *)change 
+                       context:(void *)context {
+    if ([object isEqual:self.session] &&
+        self.session.isOpen == NO) {
+        [self clearData];
+    }
+}
+
+- (void)clearData {
+    [self.dataSource clearGraphObjects];
+    [self.selectionManager clearSelectionInTableView:self.tableView];
+    [self.tableView reloadData];
+    [self.loader reset];
+}
+
+#pragma mark - public class members
+
++ (FBCacheDescriptor*)cacheDescriptor {
+    return [[[FBFriendPickerCacheDescriptor alloc] init] autorelease];
+}
+
++ (FBCacheDescriptor*)cacheDescriptorWithUserID:(NSString*)userID
+                               fieldsForRequest:(NSSet*)fieldsForRequest {
+    return [[[FBFriendPickerCacheDescriptor alloc] initWithUserID:userID
+                                                 fieldsForRequest:fieldsForRequest]
+            autorelease];
+}
+
+
+#pragma mark - private members
+
+- (FBRequest*)requestForLoadData {
+    
+    // Respect user settings in case they have changed.
+    NSMutableArray *sortFields = [NSMutableArray array];
+    NSString *groupByField = nil;
+    if (self.sortOrdering == FBFriendSortByFirstName) {
+        [sortFields addObject:@"first_name"];
+        [sortFields addObject:@"middle_name"];
+        [sortFields addObject:@"last_name"];
+        groupByField = @"first_name";
+    } else {
+        [sortFields addObject:@"last_name"];
+        [sortFields addObject:@"first_name"];
+        [sortFields addObject:@"middle_name"];
+        groupByField = @"last_name";
+    }
+    [self.dataSource setSortingByFields:sortFields ascending:YES];
+    self.dataSource.groupByField = groupByField;
+    self.dataSource.useCollation = YES;
+    
+    // me or one of my friends that also uses the app
+    NSString *user = self.userID;
+    if (!user) {
+        user = @"me";
+    }
+    
+    // create the request and start the loader
+    FBRequest *request = [FBFriendPickerViewController requestWithUserID:user
+                                                                  fields:self.fieldsForRequest
+                                                              dataSource:self.dataSource
+                                                                 session:self.session];
+    return request;
+}
+
+- (void)loadDataSkippingRoundTripIfCached:(NSNumber*)skipRoundTripIfCached {
+    if (self.session) {
+        [self.loader startLoadingWithRequest:[self requestForLoadData]
+                               cacheIdentity:FBFriendPickerCacheIdentity
+                       skipRoundtripIfCached:skipRoundTripIfCached.boolValue];
+    }
+}
+
++ (FBRequest*)requestWithUserID:(NSString*)userID
+                         fields:(NSSet*)fields
+                     dataSource:(FBGraphObjectTableDataSource*)datasource
+                        session:(FBSession*)session {
+    
+    FBRequest *request = [FBRequest requestForGraphPath:[NSString stringWithFormat:@"%@/friends", userID]];
+    [request setSession:session];
+    
+    // Use field expansion to fetch a 100px wide picture if we're on a retina device.
+    NSString *pictureField = ([FBUtility isRetinaDisplay]) ? @"picture.width(100).height(100)" : @"picture";
+    
+    NSString *allFields = [datasource fieldsForRequestIncluding:fields,
+                           @"id", 
+                           @"name", 
+                           @"first_name", 
+                           @"middle_name",
+                           @"last_name", 
+                           pictureField,
+                           nil];
+    [request.parameters setObject:allFields forKey:@"fields"];
+    
+    return request;
+}
+
+- (void)centerAndStartSpinner {
+    [FBUtility centerView:self.spinner tableView:self.tableView];
+    [self.spinner startAnimating];    
+}
+
+- (void)logAppEvents:(BOOL)cancelled {
+    [FBAppEvents logImplicitEvent:FBAppEventNameFriendPickerUsage
+                      valueToSum:nil
+                      parameters:@{ FBAppEventParameterDialogOutcome : (cancelled
+                                                                             ? FBAppEventsDialogOutcomeValue_Cancelled
+                                                                             : FBAppEventsDialogOutcomeValue_Completed),
+                                    @"num_friends_picked" : [NSNumber numberWithUnsignedInteger:self.selection.count]
+                                  }
+                         session:self.session];
+}
+
+#pragma mark - FBGraphObjectSelectionChangedDelegate
+
+- (void)graphObjectTableSelectionDidChange:(FBGraphObjectTableSelection *)selection {
+    if ([self.delegate respondsToSelector:
+         @selector(friendPickerViewControllerSelectionDidChange:)]) {
+        [(id)self.delegate friendPickerViewControllerSelectionDidChange:self];
+    }
+}
+
+#pragma mark - FBGraphObjectViewControllerDelegate
+
+- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                filterIncludesItem:(id<FBGraphObject>)item {
+    id<FBGraphUser> user = (id<FBGraphUser>)item;
+
+    if ([self.delegate
+         respondsToSelector:@selector(friendPickerViewController:shouldIncludeUser:)]) {
+        return [(id)self.delegate friendPickerViewController:self
+                                       shouldIncludeUser:user];
+    } else {
+        return YES;
+    }
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                             titleOfItem:(id<FBGraphUser>)graphUser {
+    // Title is either "First Middle" or "Last" depending on display order.
+    if (self.displayOrdering == FBFriendDisplayByFirstName) {
+        if (graphUser.middle_name) {
+            return [NSString stringWithFormat:@"%@ %@", graphUser.first_name, graphUser.middle_name];
+        } else {
+            return graphUser.first_name;
+        }
+    } else {
+        return graphUser.last_name;
+    }
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                       titleSuffixOfItem:(id<FBGraphUser>)graphUser {
+    // Title suffix is either "Last" or "First Middle" depending on display order.
+    if (self.displayOrdering == FBFriendDisplayByLastName) {
+        if (graphUser.middle_name) {
+            return [NSString stringWithFormat:@"%@ %@", graphUser.first_name, graphUser.middle_name];
+        } else {
+            return graphUser.first_name;
+        }
+    } else {
+        return graphUser.last_name;
+    }
+    
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                       pictureUrlOfItem:(id<FBGraphObject>)graphObject {
+    id picture = [graphObject objectForKey:@"picture"];
+    // Depending on what migration the app is in, we may get back either a string, or a
+    // dictionary with a "data" property that is a dictionary containing a "url" property.
+    if ([picture isKindOfClass:[NSString class]]) {
+        return picture;
+    }
+    id data = [picture objectForKey:@"data"];
+    return [data objectForKey:@"url"];
+}
+
+- (void)graphObjectTableDataSource:(FBGraphObjectTableDataSource*)dataSource
+                customizeTableCell:(FBGraphObjectTableCell*)cell {
+    // We want to bold whichever part of the name we are sorting on.
+    cell.boldTitle = (self.sortOrdering == FBFriendSortByFirstName && self.displayOrdering == FBFriendDisplayByFirstName) ||
+        (self.sortOrdering == FBFriendSortByLastName && self.displayOrdering == FBFriendDisplayByLastName);
+    cell.boldTitleSuffix = (self.sortOrdering == FBFriendSortByFirstName && self.displayOrdering == FBFriendDisplayByLastName) ||
+        (self.sortOrdering == FBFriendSortByLastName && self.displayOrdering == FBFriendDisplayByFirstName);    
+}
+
+#pragma mark FBGraphObjectPagingLoaderDelegate members
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader willLoadURL:(NSString*)url {
+    [self centerAndStartSpinner];
+}
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader didLoadData:(NSDictionary*)results {
+    // This logging currently goes here because we're effectively complete with our initial view when 
+    // the first page of results come back.  In the future, when we do caching, we will need to move
+    // this to a more appropriate place (e.g., after the cache has been brought in).
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorPerformanceCharacteristics
+                    timestampTag:self
+                    formatString:@"Friend Picker: first render "];  // logger will append "%d msec"
+    
+    
+    if ([self.delegate respondsToSelector:@selector(friendPickerViewControllerDataDidChange:)]) {
+        [(id)self.delegate friendPickerViewControllerDataDidChange:self];
+    }
+}
+
+- (void)pagingLoaderDidFinishLoading:(FBGraphObjectPagingLoader *)pagingLoader {
+    // finished loading, stop animating
+    [self.spinner stopAnimating];
+    
+    // Call the delegate from here as well, since this might be the first response of a query
+    // that has no results.
+    if ([self.delegate respondsToSelector:@selector(friendPickerViewControllerDataDidChange:)]) {
+        [(id)self.delegate friendPickerViewControllerDataDidChange:self];
+    }
+
+    // if our current display is from cache, then kick-off a near-term refresh
+    if (pagingLoader.isResultFromCache) {
+        [self performSelector:@selector(loadDataSkippingRoundTripIfCached:) 
+                   withObject:[NSNumber numberWithBool:NO]
+                   afterDelay:FBRefreshCacheDelaySeconds];
+    }    
+}
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader handleError:(NSError*)error {
+    if ([self.delegate
+         respondsToSelector:@selector(friendPickerViewController:handleError:)]) {
+        [(id)self.delegate friendPickerViewController:self handleError:error];
+    }
+}
+
+- (void)pagingLoaderWasCancelled:(FBGraphObjectPagingLoader*)pagingLoader {
+    [self.spinner stopAnimating];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphLocation.h b/Vendor/facebook-ios-sdk/src/FBGraphLocation.h
new file mode 100644
index 0000000..ad5a91f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphLocation.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphObject.h"
+
+/*!
+ @protocol
+ 
+ @abstract
+ The `FBGraphLocation` protocol enables typed access to the `location` property
+ of a Facebook place object.
+
+ 
+ @discussion
+ The `FBGraphLocation` protocol represents the most commonly used properties of a 
+ location object. It may be used to access an `NSDictionary` object that has
+ been wrapped with an <FBGraphObject> facade.
+ */
+@protocol FBGraphLocation<FBGraphObject>
+
+/*!
+ @property
+ @abstract Typed access to a location's street.
+ */
+@property (retain, nonatomic) NSString *street;
+
+/*!
+ @property
+ @abstract Typed access to a location's city.
+ */
+@property (retain, nonatomic) NSString *city;
+
+/*!
+ @property
+ @abstract Typed access to a location's state.
+ */
+@property (retain, nonatomic) NSString *state;
+
+/*!
+ @property
+ @abstract Typed access to a location's country.
+ */
+@property (retain, nonatomic) NSString *country;
+
+/*!
+ @property
+ @abstract Typed access to a location's zip code.
+ */
+@property (retain, nonatomic) NSString *zip;
+
+/*!
+ @property
+ @abstract Typed access to a location's latitude.
+ */
+@property (retain, nonatomic) NSNumber *latitude; 
+
+/*!
+ @property
+ @abstract Typed access to a location's longitude.
+ */
+@property (retain, nonatomic) NSNumber *longitude;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObject.h b/Vendor/facebook-ios-sdk/src/FBGraphObject.h
new file mode 100644
index 0000000..d5e4831
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObject.h
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@protocol FBOpenGraphObject;
+@protocol FBOpenGraphAction;
+
+/*!
+ @protocol
+ 
+ @abstract
+ The `FBGraphObject` protocol is the base protocol which enables typed access to graph objects and
+ open graph objects. Inherit from this protocol or a sub-protocol in order to introduce custom types
+ for typed access to Facebook objects.
+ 
+ @discussion
+ The `FBGraphObject` protocol is the core type used by the Facebook SDK for iOS to 
+ represent objects in the Facebook Social Graph and the Facebook Open Graph (OG).
+ The `FBGraphObject` class implements useful default functionality, but is rarely
+ used directly by applications. The `FBGraphObject` protocol, in contrast is the
+ base protocol for all graph object access via the SDK. 
+ 
+ Goals of the FBGraphObject types:
+ <ul>
+   <li> Lightweight/maintainable/robust </li>
+   <li> Extensible and resilient to change, both by Facebook and third party (OG) </li>
+   <li> Simple and natural extension to Objective-C </li> 
+ </ul>
+
+ The FBGraphObject at its core is a duck typed (if it walks/swims/quacks... 
+ its a duck) model which supports an optional static facade. Duck-typing achieves
+ the flexibility necessary for Social Graph and OG uses, and the static facade
+ increases discoverability, maintainability, robustness and simplicity.
+ The following excerpt from the PlacePickerSample shows a simple use of the 
+ a facade protocol `FBGraphPlace` by an application: 
+
+ <pre>
+ &dash; (void)placePickerViewControllerSelectionDidChange:(FBPlacePickerViewController *)placePicker
+ {
+   id&#060;FBGraphPlace&#062; place = placePicker.selection;
+ 
+   // we'll use logging to show the simple typed property access to place and location info
+   NSLog(@"place=%@, city=%@, state=%@, lat long=%@ %@", 
+     place.name,
+     place.location.city,
+     place.location.state,
+     place.location.latitude,
+     place.location.longitude);
+ }
+ </pre>
+ 
+ Note that in this example, access to common place information is available through typed property
+ syntax. But if at some point places in the Social Graph supported additional fields "foo" and "bar", not
+ reflected in the `FBGraphPlace` protocol, the application could still access the values like so:
+
+ <pre>
+ NSString *foo = [place objectForKey:@"foo"]; // perhaps located at the ... in the preceding example
+ NSNumber *bar = [place objectForKey:@"bar"]; // extensibility applies to Social and Open graph uses
+ </pre>
+ 
+ In addition to untyped access, applications and future revisions of the SDK may add facade protocols by 
+ declaring a protocol inheriting the `FBGraphObject` protocol, like so:
+
+ <pre>
+ &#064;protocol MyGraphThing&#060;FBGraphObject&#062;
+ &#064;property (copy, nonatomic) NSString *id;
+ &#064;property (copy, nonatomic) NSString *name;
+ &#064;end
+ </pre>
+ 
+ Important: facade implementations are inferred by graph objects returned by the methods of the SDK. This 
+ means that no explicit implementation is required by application or SDK code. Any `FBGraphObject` instance 
+ may be cast to any `FBGraphObject` facade protocol, and accessed via properties. If a field is not present 
+ for a given facade property, the property will return nil.
+
+ The following layer diagram depicts some of the concepts discussed thus far:
+ 
+ <pre>
+                       *-------------* *------------* *-------------**--------------------------*
+            Facade --> | FBGraphUser | |FBGraphPlace| | MyGraphThing|| MyGraphPersonExtentension| ...
+                       *-------------* *------------* *-------------**--------------------------*
+                       *------------------------------------* *--------------------------------------*
+  Transparent impl --> |     FBGraphObject (instances)      | |      CustomClass&#060;FBGraphObject&#062;      |
+                       *------------------------------------* *--------------------------------------*
+                       *-------------------**------------------------* *-----------------------------*
+     Apparent impl --> |NSMutableDictionary||FBGraphObject (protocol)| |FBGraphObject (class methods)|
+                       *-------------------**------------------------* *-----------------------------*
+ </pre>
+ 
+ The *Facade* layer is meant for typed access to graph objects. The *Transparent impl* layer (more 
+ specifically, the instance capabilities of `FBGraphObject`) are used by the SDK and app logic
+ internally, but are not part of the public interface between application and SDK. The *Apparent impl*
+ layer represents the lower-level "duck-typed" use of graph objects.
+
+ Implementation note: the SDK returns `NSMutableDictionary` derived instances with types declared like
+ one of the following:
+ 
+ <pre>
+ NSMutableDictionary&#060;FBGraphObject&#062; *obj;     // no facade specified (still castable by app)
+ NSMutableDictionary&#060;FBGraphPlace&#062; *person;   // facade specified when possible
+ </pre>
+ 
+ However, when passing a graph object to the SDK, `NSMutableDictionary` is not assumed; only the
+ FBGraphObject protocol is assumed, like so:
+
+ <pre>
+ id&#060;FBGraphObject&#062; anyGraphObj;
+ </pre>
+ 
+ As such, the methods declared on the `FBGraphObject` protocol represent the methods used by the SDK to 
+ consume graph objects. While the `FBGraphObject` class implements the full `NSMutableDictionary` and KVC
+ interfaces, these are not consumed directly by the SDK, and are optional for custom implementations.
+ */
+@protocol FBGraphObject<NSObject>
+
+/*!
+ @method
+ @abstract
+ Returns the number of properties on this `FBGraphObject`.
+ */
+- (NSUInteger)count;
+/*!
+ @method
+ @abstract
+ Returns a property on this `FBGraphObject`.
+ 
+ @param aKey        name of the property to return
+ */
+- (id)objectForKey:(id)aKey;
+/*!
+ @method
+ @abstract
+ Returns an enumerator of the property naems on this `FBGraphObject`.
+ */
+- (NSEnumerator *)keyEnumerator;
+/*!
+ @method
+ @abstract
+ Removes a property on this `FBGraphObject`.
+
+ @param aKey        name of the property to remove
+ */
+- (void)removeObjectForKey:(id)aKey;
+/*!
+ @method
+ @abstract
+ Sets the value of a property on this `FBGraphObject`.
+
+ @param anObject    the new value of the property
+ @param aKey        name of the property to set
+ */
+- (void)setObject:(id)anObject forKey:(id)aKey;
+
+@optional
+
+/*!
+ @abstract
+ This property signifies that the current graph object is provisioned for POST (as a definition
+ for a new or updated graph object), and should be posted AS-IS in its JSON encoded form, whereas 
+ some graph objects (usually those embedded in other graph objects as references to existing objects)
+ may only have their "id" or "url" posted.
+ */
+@property (nonatomic, assign) BOOL provisionedForPost;
+
+@end
+
+/*!
+ @class
+ 
+ @abstract
+ Static class with helpers for use with graph objects
+ 
+ @discussion
+ The public interface of this class is useful for creating objects that have the same graph characteristics
+ of those returned by methods of the SDK. This class also represents the internal implementation of the
+ `FBGraphObject` protocol, used by the Facebook SDK. Application code should not use the `FBGraphObject` class to 
+ access instances and instance members, favoring the protocol.
+ */
+@interface FBGraphObject : NSMutableDictionary<FBGraphObject>
+
+/*!
+ @method
+ @abstract
+ Used to create a graph object, usually for use in posting a new graph object or action.
+ */
++ (NSMutableDictionary<FBGraphObject>*)graphObject;
+
+/*!
+ @method
+ @abstract
+ Used to wrap an existing dictionary with a `FBGraphObject` facade
+
+ @discussion
+ Normally you will not need to call this method, as the Facebook SDK already "FBGraphObject-ifys" json objects
+ fetch via `FBRequest` and `FBRequestConnection`. However, you may have other reasons to create json objects in your 
+ application, which you would like to treat as a graph object. The pattern for doing this is that you pass the root
+ node of the json to this method, to retrieve a wrapper. From this point, if you traverse the graph, any other objects
+ deeper in the hierarchy will be wrapped as `FBGraphObject`'s in a lazy fashion.
+ 
+ This method is designed to avoid unnecessary memory allocations, and object copying. Due to this, the method does
+ not copy the source object if it can be avoided, but rather wraps and uses it as is. The returned object derives 
+ callers shoudl use the returned object after calls to this method, rather than continue to call methods on the original
+ object.
+ 
+ @param jsonDictionary              the dictionary representing the underlying object to wrap
+ */
++ (NSMutableDictionary<FBGraphObject>*)graphObjectWrappingDictionary:(NSDictionary*)jsonDictionary;
+
+/*!
+ @method
+ @abstract
+ Used to create a graph object that's provisioned for POST, usually for use in posting a new Open Graph Action.
+ */
++ (NSMutableDictionary<FBOpenGraphAction>*)openGraphActionForPost;
+
+/*!
+ @method
+ @abstract
+ Used to create a graph object that's provisioned for POST, usually for use in posting a new Open Graph object.
+ */
++ (NSMutableDictionary<FBOpenGraphObject>*)openGraphObjectForPost;
+
+/*!
+ @method
+ @abstract
+ Used to create a graph object that's provisioned for POST, usually for use in posting a new Open Graph object.
+ 
+ @param type              the object type name, in the form namespace:typename
+ @param title             a title for the object
+ @param image             the image property for the object
+ @param url               the url property for the object
+ @param description       the description for the object
+ */
++ (NSMutableDictionary<FBOpenGraphObject>*)openGraphObjectForPostWithType:(NSString *)type
+                                                                    title:(NSString *)title
+                                                                    image:(id)image
+                                                                      url:(id)url
+                                                              description:(NSString *)description;
+
+/*!
+ @method
+ @abstract
+ Used to compare two `FBGraphObject`s to determine if represent the same object. We do not overload
+ the concept of equality as there are various types of equality that may be important for an `FBGraphObject`
+ (for instance, two different `FBGraphObject`s could represent the same object, but contain different
+ subsets of fields).
+ 
+ @param anObject          an `FBGraphObject` to test
+
+ @param anotherObject     the `FBGraphObject` to compare it against
+ */
++ (BOOL)isGraphObjectID:(id<FBGraphObject>)anObject sameAs:(id<FBGraphObject>)anotherObject;
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObject.m b/Vendor/facebook-ios-sdk/src/FBGraphObject.m
new file mode 100644
index 0000000..ac4670a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObject.m
@@ -0,0 +1,503 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBGraphObject.h"
+#import "FBOpenGraphObject.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+#import <objc/runtime.h>
+
+// Module Summary:
+// this is the module that does the heavy lifting to implement the public-facing 
+// developer-model described in FBGraphObject.h, namely typed protocol
+// accessors over "duck-typed" dictionaries, for interating with Facebook Graph and
+// Open Graph objects and actions
+//
+// Message forwarding is used as described here:
+// https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtForwarding.html
+// in order to infer implementations for property getter 
+// and setter selectors, backed by objectForKey: and setObject:forKey: respectively
+//
+// The basic flow is straightforward, though there are a number of details; 
+// The flow is:
+// * System doesn't recognize a selector
+// * It calls methodSignatureForSelector:
+// * We return a new signature if we intend to handle the selector
+// * The system populates the invoke object with the old selector and the new signature
+// * The system passes the invocation to forwardInvocation:
+// * We swap out selectors and invoke
+//
+// Additional details include, deferred wrapping of objects as they are fetched by callers, 
+// implementations for common methods such as respondsToSelector and conformsToProtocol, as
+// suggested in the previously referenced documentation
+
+static NSString *const FBIsGraphObjectKey = @"com.facebook.FBIsGraphObjectKey";
+
+// used internally by the category impl
+typedef enum _SelectorInferredImplType {
+    SelectorInferredImplTypeNone  = 0,    
+    SelectorInferredImplTypeGet = 1,
+    SelectorInferredImplTypeSet = 2
+} SelectorInferredImplType;
+
+
+// internal-only wrapper
+@interface FBGraphObjectArray : NSMutableArray
+
+- (id)initWrappingArray:(NSArray *)otherArray;
+- (id)graphObjectifyAtIndex:(NSUInteger)index;
+- (void)graphObjectifyAll;
+
+@end
+
+
+@interface FBGraphObject ()
+
+- (id)initWrappingDictionary:(NSDictionary *)otherDictionary;
+- (void)graphObjectifyAll;
+- (id)graphObjectifyAtKey:(id)key;
+
++ (id)graphObjectWrappingObject:(id)originalObject;
++ (SelectorInferredImplType)inferredImplTypeForSelector:(SEL)sel;
++ (BOOL)isProtocolImplementationInferable:(Protocol *)protocol checkFBGraphObjectAdoption:(BOOL)checkAdoption;
+
+@end
+
+@implementation FBGraphObject {
+    NSMutableDictionary *_jsonObject;
+}
+
+#pragma mark Lifecycle
+
+- (id)initWrappingDictionary:(NSDictionary *)jsonObject {
+    self = [super init];    
+    if (self) {
+        if ([jsonObject isKindOfClass:[FBGraphObject class]]) {
+            // in this case, we prefer to return the original object,
+            // rather than allocate a wrapper
+            
+            // we are about to return this, better make it the caller's
+            [jsonObject retain];
+            
+            // we don't need self after all
+            [self release];
+            
+            // no wrapper needed, returning the object that was provided
+            return (FBGraphObject*)jsonObject;
+        } else {
+            _jsonObject = [[NSMutableDictionary dictionaryWithDictionary:jsonObject] retain];
+        }
+    }
+    return self;
+}
+
+- (BOOL)provisionedForPost {
+    return ((NSNumber *)_jsonObject[FBPostObject]).boolValue;
+}
+
+- (void)setProvisionedForPost:(BOOL)provisionedForPost {
+    if (provisionedForPost) {
+        _jsonObject[FBPostObject] = [NSNumber numberWithBool:YES];
+    } else {
+        [_jsonObject removeObjectForKey:FBPostObject];
+    }
+}
+
+- (void)dealloc {
+    [_jsonObject release];
+    [super dealloc];
+}
+
+#pragma mark -
+#pragma mark Public Members
+
++ (NSMutableDictionary<FBGraphObject>*)graphObject {
+    return [FBGraphObject graphObjectWrappingDictionary:[NSMutableDictionary dictionary]];
+}
+
++ (NSMutableDictionary<FBGraphObject>*)graphObjectWrappingDictionary:(NSDictionary*)jsonDictionary {
+    return [FBGraphObject graphObjectWrappingObject:jsonDictionary];
+}
+
++ (NSMutableDictionary<FBOpenGraphAction>*)openGraphActionForPost {
+    return (NSMutableDictionary<FBOpenGraphAction>*)[FBGraphObject graphObject];
+}
+
++ (NSMutableDictionary<FBGraphObject>*)openGraphObjectForPost {
+    return [FBGraphObject openGraphObjectForPostWithType:nil
+                                                   title:nil
+                                                   image:nil
+                                                     url:nil
+                                             description:nil];
+}
+
++ (NSMutableDictionary<FBOpenGraphObject>*)openGraphObjectForPostWithType:(NSString *)type
+                                                                    title:(NSString *)title
+                                                                    image:(id)image
+                                                                      url:(id)url
+                                                              description:(NSString *)description {
+    NSMutableDictionary<FBOpenGraphObject> *ogo = (NSMutableDictionary<FBOpenGraphObject> *)[self graphObject];
+    ogo.provisionedForPost = YES;
+    ogo.data = [FBGraphObject graphObject];
+    if (type) {
+        ogo.type = type;
+    }
+    if (title) {
+        ogo.title = title;
+    }
+    if (image) {
+        ogo.image = image;
+    }
+    if (url) {
+        ogo.url = url;
+    }
+    if (description) {
+        ogo.description = description;
+    }
+    return ogo;
+}
+
++ (BOOL)isGraphObjectID:(id<FBGraphObject>)anObject sameAs:(id<FBGraphObject>)anotherObject {
+    if (anObject != nil &&
+        anObject == anotherObject) {
+        return YES;
+    }
+    id anID = [anObject objectForKey:@"id"];
+    id anotherID = [anotherObject objectForKey:@"id"];
+    if ([anID isKindOfClass:[NSString class]] &&
+        [anotherID isKindOfClass:[NSString class]]) {
+        return [(NSString*)anID isEqualToString:anotherID];
+    }
+    return NO;
+}
+
+#pragma mark -
+#pragma mark NSObject overrides
+
+// make the respondsToSelector method do the right thing for the selectors we handle
+- (BOOL)respondsToSelector:(SEL)sel
+{
+    return  [super respondsToSelector:sel] ||
+    ([FBGraphObject inferredImplTypeForSelector:sel] != SelectorInferredImplTypeNone);
+}
+
+- (BOOL)conformsToProtocol:(Protocol *)protocol {
+    return  [super conformsToProtocol:protocol] ||
+    ([FBGraphObject isProtocolImplementationInferable:protocol 
+                           checkFBGraphObjectAdoption:YES]);
+}
+
+// returns the signature for the method that we will actually invoke
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)sel {
+    SEL alternateSelector = sel;
+    
+    // if we should forward, to where?
+    switch ([FBGraphObject inferredImplTypeForSelector:sel]) {
+        case SelectorInferredImplTypeGet:
+            alternateSelector = @selector(objectForKey:);
+            break;
+        case SelectorInferredImplTypeSet:
+            alternateSelector = @selector(setObject:forKey:);
+            break;
+        case SelectorInferredImplTypeNone:
+        default:
+            break;
+    }
+    
+    return [super methodSignatureForSelector:alternateSelector];
+}
+
+// forwards otherwise missing selectors that match the FBGraphObject convention
+- (void)forwardInvocation:(NSInvocation *)invocation {
+    // if we should forward, to where?
+    switch ([FBGraphObject inferredImplTypeForSelector:[invocation selector]]) {
+        case SelectorInferredImplTypeGet: {
+            // property getter impl uses the selector name as an argument...
+            NSString *propertyName = NSStringFromSelector([invocation selector]);
+            [invocation setArgument:&propertyName atIndex:2];
+            //... to the replacement method objectForKey:
+            invocation.selector = @selector(objectForKey:);
+            [invocation invokeWithTarget:self];
+            break;
+        }
+        case SelectorInferredImplTypeSet: {
+            // property setter impl uses the selector name as an argument...
+            NSMutableString *propertyName = [NSMutableString stringWithString:NSStringFromSelector([invocation selector])];
+            // remove 'set' and trailing ':', and lowercase the new first character
+            [propertyName deleteCharactersInRange:NSMakeRange(0, 3)];                       // "set"
+            [propertyName deleteCharactersInRange:NSMakeRange(propertyName.length - 1, 1)]; // ":"
+            
+            NSString *firstChar = [[propertyName substringWithRange:NSMakeRange(0,1)] lowercaseString];
+            [propertyName replaceCharactersInRange:NSMakeRange(0, 1) withString:firstChar];
+            // the object argument is already in the right place (2), but we need to set the key argument
+            [invocation setArgument:&propertyName atIndex:3];
+            // and replace the missing method with setObject:forKey:
+            invocation.selector = @selector(setObject:forKey:);
+            [invocation invokeWithTarget:self]; 
+            break;
+        } 
+        case SelectorInferredImplTypeNone:
+        default: 
+            [super forwardInvocation:invocation];
+            return;
+    }
+}
+
+- (id)graphObjectifyAtKey:(id)key {
+    id object = [_jsonObject objectForKey:key];
+    // make certain it is FBObjectGraph-ified
+    id possibleReplacement = [FBGraphObject graphObjectWrappingObject:object];
+    if (object != possibleReplacement) {
+        // and if not-yet, replace the original with the wrapped object
+        [_jsonObject setObject:possibleReplacement forKey:key];
+        object = possibleReplacement;
+    }
+    return object;
+}
+
+- (void)graphObjectifyAll {
+    NSArray *keys = [_jsonObject allKeys];
+    for (NSString *key in keys) {
+        [self graphObjectifyAtKey:key];
+    }
+}
+
+
+#pragma mark -
+
+#pragma mark NSDictionary and NSMutableDictionary overrides
+
+- (NSUInteger)count {
+    return _jsonObject.count;
+}
+
+- (id)objectForKey:(id)key {
+    return [self graphObjectifyAtKey:key];
+}
+
+- (NSEnumerator *)keyEnumerator {
+    [self graphObjectifyAll];
+    return _jsonObject.keyEnumerator;
+}
+
+- (void)setObject:(id)object forKey:(id)key {
+    return [_jsonObject setObject:object forKey:key];    
+}
+
+- (void)removeObjectForKey:(id)key {
+    return [_jsonObject removeObjectForKey:key];
+}
+
+#pragma mark -
+#pragma mark Public Members
+
+#pragma mark -
+#pragma mark Private Class Members
+
++ (id)graphObjectWrappingObject:(id)originalObject {
+    // non-array and non-dictionary case, returns original object
+    id result = originalObject;
+
+    // array and dictionary wrap
+    if ([originalObject isKindOfClass:[NSDictionary class]]) {
+        result = [[[FBGraphObject alloc] initWrappingDictionary:originalObject] autorelease];
+    } else if ([originalObject isKindOfClass:[NSArray class]]) {
+        result = [[[FBGraphObjectArray alloc] initWrappingArray:originalObject] autorelease];
+    }
+    
+    // return our object
+    return result;
+}
+
+// helper method used by the catgory implementation to determine whether a selector should be handled 
++ (SelectorInferredImplType)inferredImplTypeForSelector:(SEL)sel {
+    // the overhead in this impl is high relative to the cost of a normal property
+    // accessor; if needed we will optimize by caching results of the following 
+    // processing, indexed by selector
+    
+    NSString *selectorName = NSStringFromSelector(sel);
+    NSUInteger	parameterCount = [[selectorName componentsSeparatedByString:@":"] count]-1;
+    // we will process a selector as a getter if paramCount == 0
+    if (parameterCount == 0) {
+        return SelectorInferredImplTypeGet;
+        // otherwise we consider a setter if...
+    } else if (parameterCount == 1 &&                   // ... we have the correct arity
+               [selectorName hasPrefix:@"set"] &&       // ... we have the proper prefix
+               selectorName.length > 4) {               // ... there are characters other than "set" & ":"
+        return SelectorInferredImplTypeSet;
+    } 
+    
+    return SelectorInferredImplTypeNone;
+}
+
++ (BOOL)isProtocolImplementationInferable:(Protocol*)protocol checkFBGraphObjectAdoption:(BOOL)checkAdoption {
+    // first handle base protocol questions 
+    if (checkAdoption && !protocol_conformsToProtocol(protocol, @protocol(FBGraphObject))) {
+        return NO;
+    }
+    
+    if ([protocol isEqual:@protocol(FBGraphObject)]) {
+        return YES; // by definition
+    }
+
+    unsigned int count = 0;    
+    struct objc_method_description *methods = nil;
+    
+    // then confirm that all methods are required
+    methods = protocol_copyMethodDescriptionList(protocol, 
+                                                 NO,        // optional
+                                                 YES,       // instance
+                                                 &count);
+    if (methods) {
+        free(methods);
+        return NO;
+    }
+    
+    @try {
+        // fetch methods of the protocol and confirm that each can be implemented automatically
+        methods = protocol_copyMethodDescriptionList(protocol, 
+                                                     YES,   // required
+                                                     YES,   // instance
+                                                     &count);
+        for (int index = 0; index < count; index++) {
+            if ([FBGraphObject inferredImplTypeForSelector:methods[index].name] == SelectorInferredImplTypeNone) {
+                // we have a bad actor, short circuit
+                return NO;
+            }
+        }
+    } @finally {
+        if (methods) {
+            free(methods);
+        }   
+    }
+    
+    // fetch adopted protocols
+    Protocol **adopted = nil;
+    @try { 
+        adopted = protocol_copyProtocolList(protocol, &count);
+        for (int index = 0; index < count; index++) {
+            // here we go again...
+            if (![FBGraphObject isProtocolImplementationInferable:adopted[index] 
+                                       checkFBGraphObjectAdoption:NO]) {
+                return NO;
+            }
+        }
+    } @finally {
+        if (adopted) {
+            free(adopted);
+        }
+    }
+    
+    // protocol ran the gauntlet
+    return YES;
+}
+
+#pragma mark -
+
+@end
+
+#pragma mark internal classes
+
+@implementation FBGraphObjectArray {
+    NSMutableArray *_jsonArray;
+}
+
+- (id)initWrappingArray:(NSArray *)jsonArray {
+    self = [super init];
+    if (self) {
+        if ([jsonArray isKindOfClass:[FBGraphObjectArray class]]) {
+            // in this case, we prefer to return the original object,
+            // rather than allocate a wrapper
+            
+            // we are about to return this, better make it the caller's
+            [jsonArray retain];
+            
+            // we don't need self after all
+            [self release];
+            
+            // no wrapper needed, returning the object that was provided
+            return (FBGraphObjectArray*)jsonArray;
+        } else {
+            _jsonArray = [[NSMutableArray arrayWithArray:jsonArray] retain];
+        }
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_jsonArray release];
+    [super dealloc];
+}
+
+- (NSUInteger)count {
+    return _jsonArray.count;
+}
+
+- (id)graphObjectifyAtIndex:(NSUInteger)index {
+    id object = [_jsonArray objectAtIndex:index];
+    // make certain it is FBObjectGraph-ified
+    id possibleReplacement = [FBGraphObject graphObjectWrappingObject:object];
+    if (object != possibleReplacement) {
+        // and if not-yet, replace the original with the wrapped object
+        [_jsonArray replaceObjectAtIndex:index withObject:possibleReplacement];
+        object = possibleReplacement;
+    }
+    return object;
+}
+
+- (void)graphObjectifyAll {
+    NSUInteger count = [_jsonArray count];
+    for (NSUInteger i = 0; i < count; ++i) {
+        [self graphObjectifyAtIndex:i];
+    }
+}
+
+- (id)objectAtIndex:(NSUInteger)index {
+    return [self graphObjectifyAtIndex:index];
+}
+
+- (NSEnumerator *)objectEnumerator {
+    [self graphObjectifyAll];
+    return _jsonArray.objectEnumerator;
+}
+
+- (NSEnumerator *)reverseObjectEnumerator {
+    [self graphObjectifyAll];
+    return _jsonArray.reverseObjectEnumerator;
+}
+
+- (void)insertObject:(id)object atIndex:(NSUInteger)index {
+    [_jsonArray insertObject:object atIndex:index];
+}
+
+- (void)removeObjectAtIndex:(NSUInteger)index {
+    [_jsonArray removeObjectAtIndex:index];
+}
+
+- (void)addObject:(id)object {
+    [_jsonArray addObject:object];
+}
+
+- (void)removeLastObject {
+    [_jsonArray removeLastObject];
+}
+
+- (void)replaceObjectAtIndex:(NSUInteger)index withObject:(id)object {
+    [_jsonArray replaceObjectAtIndex:index withObject:object];
+}
+
+@end
+
+#pragma mark -
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.h b/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.h
new file mode 100644
index 0000000..9de2497
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphObjectTableDataSource.h"
+
+@class FBSession;
+@class FBRequest;
+@protocol FBGraphObjectPagingLoaderDelegate;
+
+typedef enum {
+    // Paging links will be followed as soon as one set of results is loaded
+    FBGraphObjectPagingModeImmediate,
+    // Paging links will be followed as soon as one set of results is loaded, even without a view
+    FBGraphObjectPagingModeImmediateViewless,
+    // Paging links will be followed only when the user scrolls to the bottom of the table
+    FBGraphObjectPagingModeAsNeeded
+} FBGraphObjectPagingMode;
+
+@interface FBGraphObjectPagingLoader : NSObject<FBGraphObjectDataSourceDataNeededDelegate>
+
+@property (nonatomic, retain) UITableView *tableView;
+@property (nonatomic, retain) FBGraphObjectTableDataSource *dataSource;
+@property (nonatomic, retain) FBSession *session;
+@property (nonatomic, assign) id<FBGraphObjectPagingLoaderDelegate> delegate;
+@property (nonatomic, readonly) FBGraphObjectPagingMode pagingMode;
+@property (nonatomic, readonly) BOOL isResultFromCache;
+ 
+- (id)initWithDataSource:(FBGraphObjectTableDataSource*)aDataSource
+              pagingMode:(FBGraphObjectPagingMode)pagingMode;
+- (void)startLoadingWithRequest:(FBRequest*)request
+                  cacheIdentity:(NSString*)cacheIdentity 
+          skipRoundtripIfCached:(BOOL)skipRoundtripIfCached;
+- (void)addResultsAndUpdateView:(NSDictionary*)results;
+- (void)cancel;
+- (void)reset;
+
+@end
+
+@protocol FBGraphObjectPagingLoaderDelegate <NSObject>
+
+@optional
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader willLoadURL:(NSString*)url;
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader didLoadData:(NSDictionary*)results;
+- (void)pagingLoaderDidFinishLoading:(FBGraphObjectPagingLoader*)pagingLoader;
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader handleError:(NSError*)error;
+- (void)pagingLoaderWasCancelled:(FBGraphObjectPagingLoader*)pagingLoader;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.m b/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.m
new file mode 100644
index 0000000..6806f73
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectPagingLoader.m
@@ -0,0 +1,317 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBGraphObjectPagingLoader.h"
+#import "FBRequest.h"
+#import "FBError.h"
+#import "FBRequestConnection+Internal.h"
+
+@interface FBGraphObjectPagingLoader ()
+
+@property (nonatomic, retain) NSString *nextLink;
+@property (nonatomic, retain) FBRequestConnection *connection;
+@property (nonatomic, copy) NSString *cacheIdentity;
+@property (nonatomic, assign) BOOL skipRoundtripIfCached;
+@property (nonatomic) FBGraphObjectPagingMode pagingMode;
+
+- (void)followNextLink;
+- (void)requestCompleted:(FBRequestConnection *)connection
+                  result:(id)result
+                   error:(NSError *)error;
+
+@end
+
+
+@implementation FBGraphObjectPagingLoader
+
+@synthesize tableView = _tableView;
+@synthesize dataSource = _dataSource;
+@synthesize pagingMode = _pagingMode;
+@synthesize nextLink = _nextLink;
+@synthesize session = _session;
+@synthesize connection = _connection;
+@synthesize delegate = _delegate;
+@synthesize isResultFromCache = _isResultFromCache;
+@synthesize cacheIdentity = _cacheIdentity;
+@synthesize skipRoundtripIfCached = _skipRoundtripIfCached;
+
+#pragma mark Lifecycle methods
+
+- (id)initWithDataSource:(FBGraphObjectTableDataSource*)aDataSource
+              pagingMode:(FBGraphObjectPagingMode)pagingMode;{
+    if (self = [super init]) {
+        // Note that pagingMode must be set before dataSource.
+        self.pagingMode = pagingMode;
+        self.dataSource = aDataSource;
+        _isResultFromCache = NO;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_tableView release];
+    [_dataSource release];
+    [_nextLink release];
+    [_session release];
+    [_connection release];
+    [_cacheIdentity release];
+    
+    [super dealloc];
+}
+
+#pragma mark -
+
+- (void)setDataSource:(FBGraphObjectTableDataSource *)dataSource {
+    [dataSource retain];
+    [_dataSource release];
+    _dataSource = dataSource;
+    if (self.pagingMode == FBGraphObjectPagingModeAsNeeded) {
+        _dataSource.dataNeededDelegate = self;
+    } else {
+        _dataSource.dataNeededDelegate = nil;
+    }
+}
+
+- (void)setTableView:(UITableView*)tableView {
+    [tableView retain];
+    [_tableView release];
+    _tableView = tableView;
+
+    // If we already have a nextLink and we are in immediate paging mode, re-start
+    // loading when we are reconnected to a table view.
+    if (self.pagingMode == FBGraphObjectPagingModeImmediate &&
+        self.nextLink &&
+        self.tableView) {
+        [self followNextLink];
+    }
+}
+
+- (void)updateView
+{
+    [self.dataSource update];
+    [self.tableView reloadData];
+}
+
+// Adds new results to the table and attempts to preserve visual context in the table
+- (void)addResultsAndUpdateView:(NSDictionary*)results {
+    NSArray *data = (NSArray *)[results objectForKey:@"data"];
+    if (data.count == 0) {
+        // If we got no data, stop following paging links.
+        self.nextLink = nil;
+        // Tell the data source we're done.
+        [self.dataSource appendGraphObjects:nil];
+        [self updateView];
+        
+        // notify of completion
+        if ([self.delegate respondsToSelector:@selector(pagingLoaderDidFinishLoading:)]) {
+            [self.delegate pagingLoaderDidFinishLoading:self];
+        }
+        return;
+    } else {
+        NSDictionary *paging = (NSDictionary *)[results objectForKey:@"paging"];
+        NSString *next = (NSString *)[paging objectForKey:@"next"];
+        self.nextLink = next;
+    }
+    
+    if (!self.dataSource.hasGraphObjects) {
+        // If we don't have any data already, this is easy.
+        [self.dataSource appendGraphObjects:data];
+        [self updateView];
+    } else {
+        // As we fetch additional results and add them to the table, we do not
+        // want the table jumping around seemingly at random, frustrating the user's
+        // attempts at scrolling, etc. Since results may be added anywhere in 
+        // the table, we choose to try to keep the first visible row in a fixed
+        // position (from the user's perspective). We try to keep it positioned at
+        // the same offset from the top of the screen so adding new items seems
+        // smoother, as opposed to having it "snap" to a multiple of row height
+        // (as would happen by simply calling [UITableView 
+        // scrollToRowAtIndexPath:atScrollPosition:animated:].
+        
+        // Which object is currently at the top of the table (the "anchor" object)?
+        // (If possible, we choose the second row, to give context above and below and avoid
+        // cases where the first row is only barely visible, thus providing little context.)
+        NSArray *visibleRowIndexPaths = [self.tableView indexPathsForVisibleRows];
+        if (visibleRowIndexPaths.count > 0) {
+            int anchorRowIndex = (visibleRowIndexPaths.count > 1) ? 1 : 0;
+            NSIndexPath *anchorIndexPath = [visibleRowIndexPaths objectAtIndex:anchorRowIndex];
+            id anchorObject = [self.dataSource itemAtIndexPath:anchorIndexPath];
+
+            // What is its rect, and what is the overall contentOffset of the table?
+            CGRect anchorRowRectBefore = [self.tableView rectForRowAtIndexPath:anchorIndexPath];
+            CGPoint contentOffset = self.tableView.contentOffset;
+
+            // Update with new data and reload the table.
+            [self.dataSource appendGraphObjects:data];
+            [self updateView];
+
+            // Where is the anchor object now?
+            anchorIndexPath = [self.dataSource indexPathForItem:anchorObject];
+            CGRect anchorRowRectAfter = [self.tableView rectForRowAtIndexPath:anchorIndexPath];
+
+            // Keep the content offset the same relative to the rect of the row (so if it was
+            // 1/4 scrolled off the top before, it still will be, etc.)
+            contentOffset.y += anchorRowRectAfter.origin.y - anchorRowRectBefore.origin.y;
+            self.tableView.contentOffset = contentOffset;
+        }
+    }
+
+    if ([self.delegate respondsToSelector:@selector(pagingLoader:didLoadData:)]) {
+        [self.delegate pagingLoader:self didLoadData:results];
+    }
+    
+    // If we are supposed to keep paging, do so. But unless we are viewless, if we have lost 
+    // our tableView, take that as a sign to stop (probably because the view was unloaded).
+    // If tableView is re-set, we will start again.
+    if ((self.pagingMode == FBGraphObjectPagingModeImmediate &&
+        self.tableView) || 
+        self.pagingMode == FBGraphObjectPagingModeImmediateViewless) {
+        [self followNextLink];
+    }
+}
+
+- (void)followNextLink {
+    if (self.nextLink &&
+        self.session) {
+        [self.connection cancel];
+        self.connection = nil;
+        
+        if ([self.delegate respondsToSelector:@selector(pagingLoader:willLoadURL:)]) {
+            [self.delegate pagingLoader:self willLoadURL:self.nextLink];
+        }
+        
+        FBRequest *request = [[FBRequest alloc] initWithSession:self.session
+                                                      graphPath:nil];
+
+        FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+        [connection addRequest:request completionHandler:
+         ^(FBRequestConnection *connection, id result, NSError *error) {
+             _isResultFromCache = _isResultFromCache || connection.isResultFromCache;
+             self.connection = nil;
+             [self requestCompleted:connection result:result error:error];
+         }];
+        
+        // Override the URL using the one passed back in 'next'.
+        NSURL *url = [NSURL URLWithString:self.nextLink];
+        NSMutableURLRequest* urlRequest = [NSMutableURLRequest requestWithURL:url];
+        connection.urlRequest = urlRequest;
+
+        self.nextLink = nil;
+        
+        self.connection = connection;
+        [self.connection startWithCacheIdentity:self.cacheIdentity
+                          skipRoundtripIfCached:self.skipRoundtripIfCached];
+        
+        [request release];
+        [connection release];
+    }
+}
+
+- (void)startLoadingWithRequest:(FBRequest*)request
+                  cacheIdentity:(NSString*)cacheIdentity 
+          skipRoundtripIfCached:(BOOL)skipRoundtripIfCached {
+    [self.dataSource prepareForNewRequest];
+    
+    [self.connection cancel];
+    _isResultFromCache = NO;
+    
+    self.cacheIdentity = cacheIdentity;
+    self.skipRoundtripIfCached = skipRoundtripIfCached;
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:request
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             _isResultFromCache = _isResultFromCache || connection.isResultFromCache;
+             [self requestCompleted:connection result:result error:error];
+         }];
+    
+    self.connection = connection;
+    [self.connection startWithCacheIdentity:self.cacheIdentity
+                      skipRoundtripIfCached:self.skipRoundtripIfCached];
+
+    [connection release];
+
+    NSString *urlString = [[[self.connection urlRequest] URL] absoluteString];
+    if ([self.delegate respondsToSelector:@selector(pagingLoader:willLoadURL:)]) {
+        [self.delegate pagingLoader:self willLoadURL:urlString];
+    }
+}
+
+- (void)cancel {
+    [self.connection cancel];
+}
+
+- (void)reset {
+    [self cancel];
+    self.connection = nil;
+    self.nextLink = nil;
+}
+
+- (void)requestCompleted:(FBRequestConnection *)connection
+                  result:(id)result
+                   error:(NSError *)error {
+    self.connection = nil;
+
+    NSDictionary *resultDictionary = (NSDictionary *)result;
+    
+    NSArray *data = nil;    
+    if (!error && [result isKindOfClass:[NSDictionary class]]) {
+        id rawData = [resultDictionary objectForKey:@"data"];
+        if ([rawData isKindOfClass:[NSArray class]]) {
+            data = (NSArray *)rawData;
+        }
+    }
+
+    if (!error && !data) {
+        NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+        userInfo[FBErrorParsedJSONResponseKey] = result;
+        if (self.session) {
+            userInfo[FBErrorSessionKey] = self.session;
+        }
+        error = [[[NSError alloc] initWithDomain:FacebookSDKDomain
+                                            code:FBErrorProtocolMismatch
+                                        userInfo:userInfo]
+                 autorelease];
+    } 
+    
+    if (error) {
+        // Cancellation is not really an error we want to bother the delegate with.
+        BOOL cancelled = [error.domain isEqualToString:FacebookSDKDomain] &&
+            error.code == FBErrorOperationCancelled;
+
+        if (cancelled) {
+            if ([self.delegate respondsToSelector:@selector(pagingLoaderWasCancelled:)]) {
+                [self.delegate pagingLoaderWasCancelled:self];
+            }
+        } else if ([self.delegate respondsToSelector:@selector(pagingLoader:handleError:)]) {
+            [self.delegate pagingLoader:self handleError:error];
+        }        
+    } else {
+        [self addResultsAndUpdateView:resultDictionary];        
+    }
+}
+
+#pragma mark FBGraphObjectDataSourceDataNeededDelegate methods
+
+- (void)graphObjectTableDataSourceNeedsData:(FBGraphObjectTableDataSource *)dataSource triggeredByIndexPath:(NSIndexPath*)indexPath {
+    if (self.pagingMode == FBGraphObjectPagingModeAsNeeded) {
+        [self followNextLink];
+    }
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.h b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.h
new file mode 100644
index 0000000..f83f0b2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@interface FBGraphObjectTableCell : UITableViewCell
+
+// We allow the title to be split into two parts, with one (or both) optionally
+// bolded. titleSuffix will be appended to the end of title with a space in between.
+@property (copy, nonatomic) NSString *title;
+@property (copy, nonatomic) NSString *titleSuffix;
+@property (nonatomic) BOOL boldTitle;
+@property (nonatomic) BOOL boldTitleSuffix;
+
+@property (copy, nonatomic) NSString *subtitle;
+@property (retain, nonatomic) UIImage *picture;
+
++ (CGFloat)rowHeight;
+
+- (void)startAnimatingActivityIndicator;
+- (void)stopAnimatingActivityIndicator;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.m b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.m
new file mode 100644
index 0000000..94a364e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableCell.m
@@ -0,0 +1,230 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBGraphObjectTableCell.h"
+
+static const CGFloat titleFontHeight = 16;
+static const CGFloat subtitleFontHeight = 12;
+static const CGFloat pictureEdge = 40;
+static const CGFloat pictureMargin = 1;
+static const CGFloat horizontalMargin = 4;
+static const CGFloat titleTopNoSubtitle = 11;
+static const CGFloat titleTopWithSubtitle = 3;
+static const CGFloat subtitleTop = 23;
+static const CGFloat titleHeight = titleFontHeight * 1.25;
+static const CGFloat subtitleHeight = subtitleFontHeight * 1.25;
+
+@interface FBGraphObjectTableCell()
+
+@property (nonatomic, retain) UIImageView *pictureView;\
+@property (nonatomic, retain) UILabel* titleSuffixLabel;
+@property (nonatomic, retain) UIActivityIndicatorView *activityIndicator;
+
+- (void)updateFonts;
+
+@end
+
+@implementation FBGraphObjectTableCell
+
+@synthesize pictureView = _pictureView;
+@synthesize titleSuffixLabel = _titleSuffixLabel;
+@synthesize activityIndicator = _activityIndicator;
+@synthesize boldTitle = _boldTitle;
+@synthesize boldTitleSuffix = _boldTitleSuffix;
+
+#pragma mark - Lifecycle
+
+- (id)initWithStyle:(UITableViewCellStyle)style 
+    reuseIdentifier:(NSString*)reuseIdentifier
+{
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (self) {
+        // Picture
+        UIImageView *pictureView = [[UIImageView alloc] init];
+        pictureView.clipsToBounds = YES;
+        pictureView.contentMode = UIViewContentModeScaleAspectFill;
+        
+        self.pictureView = pictureView;
+        [self.contentView addSubview:pictureView];
+        [pictureView release];
+        
+        // Subtitle
+        self.detailTextLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+        self.detailTextLabel.textColor = [UIColor colorWithRed:0.4 green:0.6 blue:0.8 alpha:1.0];
+        self.detailTextLabel.font = [UIFont systemFontOfSize:subtitleFontHeight];
+                
+        // Title
+        self.textLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+        self.textLabel.font = [UIFont systemFontOfSize:titleFontHeight];
+        
+        // Content View
+        self.contentView.clipsToBounds = YES;
+    }
+    
+    return self;
+}
+
+- (void)dealloc
+{
+    [_titleSuffixLabel release];
+    [_pictureView release];
+    
+    [super dealloc];
+}
+
+#pragma mark -
+
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+    
+    [self updateFonts];
+    
+    BOOL hasPicture = (self.picture != nil);
+    BOOL hasSubtitle = (self.subtitle != nil);
+    BOOL hasTitleSuffix = (self.titleSuffix != nil);
+    
+    CGFloat pictureWidth = hasPicture ? pictureEdge : 0;
+    CGSize cellSize = self.contentView.bounds.size;
+    CGFloat textLeft = (hasPicture ? ((2 * pictureMargin) + pictureWidth) : 0) + horizontalMargin;
+    CGFloat textWidth = cellSize.width - (textLeft + horizontalMargin);
+    CGFloat titleTop = hasSubtitle ? titleTopWithSubtitle : titleTopNoSubtitle;
+    
+    self.pictureView.frame = CGRectMake(pictureMargin, pictureMargin, pictureEdge, pictureWidth);
+    self.detailTextLabel.frame = CGRectMake(textLeft, subtitleTop, textWidth, subtitleHeight);
+    if (!hasTitleSuffix) {
+        self.textLabel.frame = CGRectMake(textLeft, titleTop, textWidth, titleHeight);
+    } else {
+        CGSize titleSize = [self.textLabel.text sizeWithFont:self.textLabel.font];
+        CGSize spaceSize = [@" " sizeWithFont:self.textLabel.font];
+        CGFloat titleWidth = titleSize.width + spaceSize.width;
+        self.textLabel.frame = CGRectMake(textLeft, titleTop, titleWidth, titleHeight);
+        
+        CGFloat titleSuffixLeft = textLeft + titleWidth;
+        CGFloat titleSuffixWidth = textWidth - titleWidth;
+        self.titleSuffixLabel.frame = CGRectMake(titleSuffixLeft, titleTop, titleSuffixWidth, titleHeight);
+    }
+    
+    [self.pictureView setHidden:!(hasPicture)];
+    [self.detailTextLabel setHidden:!(hasSubtitle)];
+    [self.titleSuffixLabel setHidden:!(hasTitleSuffix)];
+}
+
++ (CGFloat)rowHeight
+{
+    return pictureEdge + (2 * pictureMargin) + 1;
+}
+
+- (void)startAnimatingActivityIndicator {
+    CGRect cellBounds = self.bounds;
+    if (!self.activityIndicator) {
+        UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray];
+        activityIndicator.hidesWhenStopped = YES;
+        activityIndicator.autoresizingMask =
+        (UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin);
+        
+        self.activityIndicator = activityIndicator;
+        [self addSubview:activityIndicator];
+        [activityIndicator release];        
+    }
+
+    self.activityIndicator.center = CGPointMake(CGRectGetMidX(cellBounds), CGRectGetMidY(cellBounds));
+
+    [self.activityIndicator startAnimating];
+}
+
+- (void)stopAnimatingActivityIndicator {
+    if (self.activityIndicator) {
+        [self.activityIndicator stopAnimating];
+    }
+}
+
+- (void)updateFonts {
+    if (self.boldTitle) {
+        self.textLabel.font = [UIFont boldSystemFontOfSize:titleFontHeight];
+    } else {
+        self.textLabel.font = [UIFont systemFontOfSize:titleFontHeight];
+    }
+
+    if (self.boldTitleSuffix) {
+        self.titleSuffixLabel.font = [UIFont boldSystemFontOfSize:titleFontHeight];
+    } else {
+        self.titleSuffixLabel.font = [UIFont systemFontOfSize:titleFontHeight];
+    }
+}
+
+- (void)createTitleSuffixLabel {
+    if (!self.titleSuffixLabel) {
+        UILabel *titleSuffixLabel = [[UILabel alloc] init];
+        titleSuffixLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+        [self.contentView addSubview:titleSuffixLabel];
+
+        self.titleSuffixLabel = titleSuffixLabel;
+        [titleSuffixLabel release];
+    }
+}
+#pragma mark - Properties
+
+- (UIImage *)picture
+{
+    return self.pictureView.image;
+}
+
+- (void)setPicture:(UIImage *)picture
+{
+    self.pictureView.image = picture;
+    [self setNeedsLayout];
+}
+
+- (NSString*)subtitle
+{
+    return self.detailTextLabel.text;
+}
+
+- (void)setSubtitle:(NSString *)subtitle
+{
+    self.detailTextLabel.text = subtitle;
+    [self setNeedsLayout];
+}
+
+- (NSString*)title
+{
+    return self.textLabel.text;
+}
+
+- (void)setTitle:(NSString *)title
+{
+    self.textLabel.text = title;
+    [self setNeedsLayout];
+}
+
+- (NSString*)titleSuffix
+{
+    return self.titleSuffixLabel.text;
+}
+
+- (void)setTitleSuffix:(NSString *)titleSuffix
+{
+    if (titleSuffix) {
+        [self createTitleSuffixLabel];
+    }
+    if (self.titleSuffixLabel) {
+        self.titleSuffixLabel.text = titleSuffix;
+    }
+    [self setNeedsLayout];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.h b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.h
new file mode 100644
index 0000000..7b30789
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBGraphObject.h"
+
+@protocol FBGraphObjectViewControllerDelegate;
+@protocol FBGraphObjectSelectionQueryDelegate;
+@protocol FBGraphObjectDataSourceDataNeededDelegate;
+@class FBGraphObjectTableCell;
+
+@interface FBGraphObjectTableDataSource : NSObject<UITableViewDataSource>
+
+@property (nonatomic, retain) UIImage *defaultPicture;
+@property (nonatomic, assign) id<FBGraphObjectViewControllerDelegate> controllerDelegate;
+@property (nonatomic, copy) NSString *groupByField;
+@property (nonatomic, assign) BOOL useCollation;
+@property (nonatomic) BOOL itemTitleSuffixEnabled;
+@property (nonatomic) BOOL itemPicturesEnabled;
+@property (nonatomic) BOOL itemSubtitleEnabled;
+@property (nonatomic, assign) id<FBGraphObjectSelectionQueryDelegate> selectionDelegate;
+@property (nonatomic, assign) id<FBGraphObjectDataSourceDataNeededDelegate> dataNeededDelegate;
+@property (nonatomic, copy) NSArray *sortDescriptors;
+
+- (NSString *)fieldsForRequestIncluding:(NSSet *)customFields, ...;
+
+- (void)setSortingBySingleField:(NSString*)fieldName ascending:(BOOL)ascending;
+- (void)setSortingByFields:(NSArray*)fieldNames ascending:(BOOL)ascending;
+
+- (void)prepareForNewRequest;
+// Clears all graph objects from the data source.
+- (void)clearGraphObjects;
+// Adds additional graph objects (pass nil to indicate all objects have been added).
+- (void)appendGraphObjects:(NSArray *)data;
+- (BOOL)hasGraphObjects;
+
+- (void)bindTableView:(UITableView *)tableView;
+
+- (void)cancelPendingRequests;
+
+// Call this when updating any property or if
+// delegate.filterIncludesItem would return a different answer now.
+- (void)update;
+
+// Returns the graph object at a given indexPath.
+- (FBGraphObject *)itemAtIndexPath:(NSIndexPath *)indexPath;
+
+// Returns the indexPath for a given graph object.
+- (NSIndexPath *)indexPathForItem:(FBGraphObject *)item;
+
+@end
+
+@protocol FBGraphObjectViewControllerDelegate <NSObject>
+@required
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                             titleOfItem:(id<FBGraphObject>)graphObject;
+
+@optional
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                       titleSuffixOfItem:(id<FBGraphObject>)graphObject;
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                          subtitleOfItem:(id<FBGraphObject>)graphObject;
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                        pictureUrlOfItem:(id<FBGraphObject>)graphObject;
+
+- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                filterIncludesItem:(id<FBGraphObject>)item;
+
+- (void)graphObjectTableDataSource:(FBGraphObjectTableDataSource*)dataSource
+                customizeTableCell:(FBGraphObjectTableCell*)cell;
+                
+@end
+
+@protocol FBGraphObjectSelectionQueryDelegate <NSObject>
+
+- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+             selectionIncludesItem:(id<FBGraphObject>)item;
+
+@end
+
+@protocol FBGraphObjectDataSourceDataNeededDelegate <NSObject>
+
+- (void)graphObjectTableDataSourceNeedsData:(FBGraphObjectTableDataSource *)dataSource triggeredByIndexPath:(NSIndexPath*)indexPath;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.m b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.m
new file mode 100644
index 0000000..d188fcf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableDataSource.m
@@ -0,0 +1,585 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBGraphObjectTableDataSource.h"
+#import "FBGraphObjectTableCell.h"
+#import "FBGraphObject.h"
+#import "FBURLConnection.h"
+#import "FBUtility.h"
+
+// Magic number - iPhone address book doesn't show scrubber for less than 5 contacts
+static const NSInteger kMinimumCountToCollate = 6;
+
+@interface FBGraphObjectTableDataSource ()
+
+@property (nonatomic, retain) NSArray *data;
+@property (nonatomic, retain) NSArray *indexKeys;
+@property (nonatomic, retain) NSDictionary *indexMap;
+@property (nonatomic, retain) NSMutableSet *pendingURLConnections;
+@property (nonatomic, assign) BOOL expectingMoreGraphObjects;
+@property (nonatomic, retain) UILocalizedIndexedCollation *collation;
+@property (nonatomic, assign) BOOL showSections;
+
+- (BOOL)filterIncludesItem:(FBGraphObject *)item;
+- (FBGraphObjectTableCell *)cellWithTableView:(UITableView *)tableView;
+- (NSString *)indexKeyOfItem:(FBGraphObject *)item;
+- (UIImage *)tableView:(UITableView *)tableView imageForItem:(FBGraphObject *)item;
+- (void)addOrRemovePendingConnection:(FBURLConnection *)connection;
+- (BOOL)isActivityIndicatorIndexPath:(NSIndexPath *)indexPath;
+- (BOOL)isLastSection:(NSInteger)section;
+
+@end
+
+@implementation FBGraphObjectTableDataSource
+
+@synthesize data = _data;
+@synthesize defaultPicture = _defaultPicture;
+@synthesize controllerDelegate = _controllerDelegate;
+@synthesize groupByField = _groupByField;
+@synthesize useCollation = _useCollation;
+@synthesize showSections = _showSections;
+@synthesize indexKeys = _indexKeys;
+@synthesize indexMap = _indexMap;
+@synthesize itemTitleSuffixEnabled = _itemTitleSuffixEnabled;
+@synthesize itemPicturesEnabled = _itemPicturesEnabled;
+@synthesize itemSubtitleEnabled = _itemSubtitleEnabled;
+@synthesize pendingURLConnections = _pendingURLConnections;
+@synthesize selectionDelegate = _selectionDelegate;
+@synthesize sortDescriptors = _sortDescriptors;
+@synthesize dataNeededDelegate = _dataNeededDelegate;
+@synthesize expectingMoreGraphObjects = _expectingMoreGraphObjects;
+@synthesize collation = _collation;
+
+- (void)setUseCollation:(BOOL)useCollation
+{
+    if (_useCollation != useCollation) {
+        _useCollation = useCollation;
+        self.collation = _useCollation ? [UILocalizedIndexedCollation currentCollation] : nil;
+    }
+}
+
+- (id)init
+{
+    self = [super init];
+    
+    if (self) {
+        NSMutableSet *pendingURLConnections = [[NSMutableSet alloc] init];
+        self.pendingURLConnections = pendingURLConnections;
+        [pendingURLConnections release];
+        self.expectingMoreGraphObjects = YES;
+    }
+    
+    return self;
+}
+
+- (void)dealloc
+{
+    FBConditionalLog(![_pendingURLConnections count],
+                     @"FBGraphObjectTableDataSource pending connection did not retain self");
+
+    [_collation release];
+    [_data release];
+    [_defaultPicture release];
+    [_groupByField release];
+    [_indexKeys release];
+    [_indexMap release];
+    [_pendingURLConnections release];
+    [_sortDescriptors release];
+    
+    [super dealloc];
+}
+
+#pragma mark - Public Methods
+
+- (NSString *)fieldsForRequestIncluding:(NSSet *)customFields, ...
+{
+    // Start with custom fields.
+    NSMutableSet *nameSet = [[NSMutableSet alloc] initWithSet:customFields];
+    
+    // Iterate through varargs after the initial set, and add them
+    id vaName;
+    va_list vaArguments;
+    va_start(vaArguments, customFields);
+    while ((vaName = va_arg(vaArguments, id))) {
+        [nameSet addObject:vaName];
+    }
+    va_end(vaArguments);
+    
+    // Add fields needed for data source functionality.
+    if (self.groupByField) {
+        [nameSet addObject:self.groupByField];
+    }
+    
+    // get a stable order for our fields, because we use the resulting URL as a cache ID
+    NSMutableArray *sortedFields = [[nameSet allObjects] mutableCopy];
+    [sortedFields sortUsingSelector:@selector(caseInsensitiveCompare:)];
+    
+    [nameSet release];
+    
+    // Build the comma-separated string
+    NSMutableString *fields = [[[NSMutableString alloc] init] autorelease];
+    
+    for (NSString *field in sortedFields) {
+        if ([fields length]) {
+            [fields appendString:@","];
+        }
+        [fields appendString:field];
+    }
+    
+    [sortedFields release];
+    return fields;
+}
+
+- (void)prepareForNewRequest {
+    self.data = nil;
+    self.expectingMoreGraphObjects = YES;
+}
+
+- (void)clearGraphObjects {
+    self.indexKeys = nil;
+    self.indexMap = nil;
+    [self prepareForNewRequest];
+}
+
+- (void)appendGraphObjects:(NSArray *)data
+{
+    if (self.data) {
+        self.data = [self.data arrayByAddingObjectsFromArray:data];
+    } else {
+        self.data = data;
+    }
+    if (data == nil) {
+        self.expectingMoreGraphObjects = NO;
+    }
+}
+
+- (BOOL)hasGraphObjects {
+    return self.data && self.data.count > 0;
+}
+
+- (void)bindTableView:(UITableView *)tableView
+{
+    tableView.dataSource = self;
+    tableView.rowHeight = [FBGraphObjectTableCell rowHeight];
+}
+
+- (void)cancelPendingRequests
+{
+    // Cancel all active connections.
+    for (FBURLConnection *connection in _pendingURLConnections) {
+        [connection cancel];
+    }
+}
+
+// Called after changing any properties.  To simplify the code here,
+// since this class is internal, we do not auto-update on property
+// changes.
+//
+// This builds indexMap and indexKeys, the data structures used to
+// respond to UITableDataSource protocol requests.  UITable expects
+// a list of section names, and then ask for items given a section
+// index and item index within that section.  In addition, we need
+// to do reverse mapping from item to table location.
+//
+// To facilitate both of these, we build an array of section titles,
+// and a dictionary mapping title -> item array.  We could consider
+// building a reverse-lookup map too, but this seems unnecessary.
+- (void)update
+{
+    NSInteger objectsShown = 0;
+    NSMutableDictionary *indexMap = [[[NSMutableDictionary alloc] init] autorelease];
+    NSMutableArray *indexKeys = [[[NSMutableArray alloc] init] autorelease];
+    
+    for (FBGraphObject *item in self.data) {
+        if (![self filterIncludesItem:item]) {
+            continue;
+        }
+        
+        NSString *key = [self indexKeyOfItem:item];
+        NSMutableArray *existingSection = [indexMap objectForKey:key];
+        NSMutableArray *section = existingSection;
+        
+        if (!section) {
+            section = [[[NSMutableArray alloc] init] autorelease];
+        }
+        [section addObject:item];
+        
+        if (!existingSection) {
+            [indexMap setValue:section forKey:key];
+            [indexKeys addObject:key];
+        }
+        objectsShown++;
+    }
+    
+    if (self.sortDescriptors) {
+        for (NSString *key in indexKeys) {
+            [[indexMap objectForKey:key] sortUsingDescriptors:self.sortDescriptors];
+        }
+    }
+    if (!self.useCollation) {
+        [indexKeys sortUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
+    }
+    
+    self.showSections = objectsShown >= kMinimumCountToCollate;
+    self.indexKeys = indexKeys;
+    self.indexMap = indexMap;
+}
+
+#pragma mark - Private Methods
+
+- (BOOL)filterIncludesItem:(FBGraphObject *)item
+{
+    if (![self.controllerDelegate respondsToSelector:
+          @selector(graphObjectTableDataSource:filterIncludesItem:)]) {
+        return YES;
+    }
+    
+    return [self.controllerDelegate graphObjectTableDataSource:self
+                                            filterIncludesItem:item];
+}
+
+- (void)setSortingByFields:(NSArray*)fieldNames ascending:(BOOL)ascending {
+    NSMutableArray *sortDescriptors = [NSMutableArray  arrayWithCapacity:fieldNames.count];
+    for (NSString *fieldName in fieldNames) {
+        NSSortDescriptor *sortBy = [NSSortDescriptor
+                                    sortDescriptorWithKey:fieldName
+                                    ascending:ascending
+                                    selector:@selector(localizedCaseInsensitiveCompare:)];
+        [sortDescriptors addObject:sortBy];
+    }
+    self.sortDescriptors = sortDescriptors;
+}
+
+- (void)setSortingBySingleField:(NSString*)fieldName ascending:(BOOL)ascending {
+    [self setSortingByFields:[NSArray arrayWithObject:fieldName] ascending:ascending];
+}
+
+- (FBGraphObjectTableCell *)cellWithTableView:(UITableView *)tableView
+{
+    static NSString * const cellKey = @"fbTableCell";
+    FBGraphObjectTableCell *cell =
+    (FBGraphObjectTableCell*)[tableView dequeueReusableCellWithIdentifier:cellKey];
+    
+    if (!cell) {
+        cell = [[FBGraphObjectTableCell alloc]
+                initWithStyle:UITableViewCellStyleSubtitle
+                reuseIdentifier:cellKey];
+        [cell autorelease];
+        
+        cell.selectionStyle = UITableViewCellSelectionStyleNone;
+    }
+    
+    return cell;
+}
+
+- (NSString *)indexKeyOfItem:(FBGraphObject *)item
+{
+    NSString *text = @"";
+    
+    if (self.groupByField) {
+        text = [item objectForKey:self.groupByField] ?: @"";
+    }
+    
+    if (self.useCollation) {
+        NSInteger collationSection = [self.collation sectionForObject:item collationStringSelector:NSSelectorFromString(self.groupByField)];
+        text = [[self.collation sectionTitles] objectAtIndex:collationSection];
+    } else {
+        
+        if ([text length] > 1) {
+            text = [text substringToIndex:1];
+        }
+        
+        text = [text uppercaseString];
+    }
+    return text;
+}
+
+- (FBGraphObject *)itemAtIndexPath:(NSIndexPath *)indexPath
+{
+    id key = nil;
+    if (self.useCollation) {
+        NSString *sectionTitle = [self.collation.sectionTitles objectAtIndex:indexPath.section];
+        key = sectionTitle;
+    } else if (indexPath.section >= 0 && indexPath.section < self.indexKeys.count) {
+        key = [self.indexKeys objectAtIndex:indexPath.section];
+    }
+    NSArray *sectionItems = [self.indexMap objectForKey:key];
+    if (indexPath.row >= 0 && indexPath.row < sectionItems.count) {
+        return [sectionItems objectAtIndex:indexPath.row];
+    }
+    return nil;
+}
+
+- (NSIndexPath *)indexPathForItem:(FBGraphObject *)item
+{
+    NSString *key = [self indexKeyOfItem:item];
+    NSMutableArray *sectionItems = [self.indexMap objectForKey:key];
+    if (!sectionItems) {
+        return nil;
+    }
+    
+    NSInteger sectionIndex = 0;
+    if (self.useCollation) {
+        sectionIndex = [self.collation.sectionTitles indexOfObject:key];
+    } else {
+        sectionIndex = [self.indexKeys indexOfObject:key];
+    }
+    if (sectionIndex == NSNotFound) {
+        return nil;
+    }
+    
+    id matchingObject = [FBUtility graphObjectInArray:sectionItems withSameIDAs:item];
+    if (matchingObject == nil) {
+        return nil;
+    }
+    
+    NSInteger itemIndex = [sectionItems indexOfObject:matchingObject];
+    if (itemIndex == NSNotFound) {
+        return nil;
+    }
+    
+    return [NSIndexPath indexPathForRow:itemIndex inSection:sectionIndex];
+}
+
+- (BOOL)isLastSection:(NSInteger)section {
+    if (self.useCollation) {
+        return section == self.collation.sectionTitles.count - 1;
+    } else {
+        return section == self.indexKeys.count - 1;
+    }
+}
+
+- (BOOL)isActivityIndicatorIndexPath:(NSIndexPath *)indexPath {
+    if ([self isLastSection:indexPath.section]) {
+        NSArray *sectionItems = [self sectionItemsForSection:indexPath.section];
+        
+        if (indexPath.row == sectionItems.count) {
+            // Last section has one more row that items if we are expecting more objects.
+            return YES;
+        }
+    }
+    return NO;
+}
+
+
+- (NSString *)titleForSection:(NSInteger)sectionIndex
+{
+    id key;
+    if (self.useCollation) {
+        NSString *sectionTitle = [self.collation.sectionTitles objectAtIndex:sectionIndex];
+        key = sectionTitle;
+    } else {
+        key = [self.indexKeys objectAtIndex:sectionIndex];
+    }
+    return key;
+}
+
+- (NSArray *)sectionItemsForSection:(NSInteger)sectionIndex
+{
+    id key = [self titleForSection:sectionIndex];
+    NSArray *sectionItems = [self.indexMap objectForKey:key];
+    return sectionItems;
+}
+- (UIImage *)tableView:(UITableView *)tableView imageForItem:(FBGraphObject *)item
+{
+    __block UIImage *image = nil;
+    NSString *urlString = [self.controllerDelegate graphObjectTableDataSource:self
+                                                             pictureUrlOfItem:item];
+    if (urlString) {
+        FBURLConnectionHandler handler =
+        ^(FBURLConnection *connection, NSError *error, NSURLResponse *response, NSData *data) {
+            [self addOrRemovePendingConnection:connection];
+            if (!error) {
+                image = [UIImage imageWithData:data];
+                
+                NSIndexPath *indexPath = [self indexPathForItem:item];
+                if (indexPath) {
+                    FBGraphObjectTableCell *cell =
+                    (FBGraphObjectTableCell*)[tableView cellForRowAtIndexPath:indexPath];
+                    
+                    if (cell) {
+                        cell.picture = image;
+                    }
+                }
+            }
+        };
+        
+        FBURLConnection *connection = [[[FBURLConnection alloc]
+                                        initWithURL:[NSURL URLWithString:urlString]
+                                        completionHandler:handler]
+                                       autorelease];
+        
+        [self addOrRemovePendingConnection:connection];
+    }
+    
+    // If the picture had not been fetched yet by this object, but is cached in the
+    // URL cache, we can complete synchronously above.  In this case, we will not
+    // find the cell in the table because we are in the process of creating it. We can
+    // just return the object here.
+    if (image) {
+        return image;
+    }
+    
+    return self.defaultPicture;
+}
+
+// In tableView:imageForItem:, there are two code-paths, and both always run.
+// Whichever runs first adds the connection to the collection of pending requests,
+// and whichever runs second removes it.  This allows us to track all requests
+// for which one code-path has run and the other has not.
+- (void)addOrRemovePendingConnection:(FBURLConnection *)connection
+{
+    if ([self.pendingURLConnections containsObject:connection]) {
+        [self.pendingURLConnections removeObject:connection];
+    } else {
+        [self.pendingURLConnections addObject:connection];
+    }
+}
+
+#pragma mark - UITableViewDataSource
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
+{
+    if (self.useCollation) {
+        return self.collation.sectionTitles.count;
+    } else {
+        return [self.indexKeys count];
+    }
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+    NSArray *sectionItems = [self sectionItemsForSection:section];
+    
+    NSUInteger count = [sectionItems count];
+    // If we are expecting more objects to be loaded via paging, add 1 to the
+    // row count for the last section.
+    if (self.expectingMoreGraphObjects &&
+        self.dataNeededDelegate &&
+        [self isLastSection:section]) {
+        ++count;
+    }
+    return count;
+}
+
+- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
+{
+    if (!self.showSections) {
+        return nil;
+    }
+    
+    NSArray *sectionItems = [self sectionItemsForSection:section];
+    return sectionItems.count > 0 ? [self titleForSection:section] : nil;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index
+{
+    if (self.useCollation) {
+        return [self.collation sectionForSectionIndexTitleAtIndex:index];
+    } else {
+        return index;
+    }
+}
+
+- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
+{
+    if (!self.showSections) {
+        return nil;
+    }
+    
+    if (self.useCollation) {
+        return self.collation.sectionIndexTitles;
+    } else {
+        return [self.indexKeys count] > 1 ? self.indexKeys : nil;
+    }
+}
+
+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    return NO;
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView
+         cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    FBGraphObjectTableCell *cell = [self cellWithTableView:tableView];
+    
+    if ([self isActivityIndicatorIndexPath:indexPath]) {
+        cell.picture = nil;
+        cell.subtitle = nil;
+        cell.title = nil;
+        cell.accessoryType = UITableViewCellAccessoryNone;
+        cell.selected = NO;
+        
+        [cell startAnimatingActivityIndicator];
+        
+        [self.dataNeededDelegate graphObjectTableDataSourceNeedsData:self
+                                                triggeredByIndexPath:indexPath];
+    } else {
+        FBGraphObject *item = [self itemAtIndexPath:indexPath];
+        
+        // This is a no-op if it doesn't have an activity indicator.
+        [cell stopAnimatingActivityIndicator];
+        if (item) {
+            if (self.itemPicturesEnabled) {
+                cell.picture = [self tableView:tableView imageForItem:item];
+            } else {
+                cell.picture = nil;
+            }
+            
+            if (self.itemTitleSuffixEnabled) {
+                cell.titleSuffix = [self.controllerDelegate graphObjectTableDataSource:self
+                                                                     titleSuffixOfItem:item];
+            } else {
+                cell.titleSuffix = nil;
+            }
+            
+            if (self.itemSubtitleEnabled) {
+                cell.subtitle = [self.controllerDelegate graphObjectTableDataSource:self
+                                                                     subtitleOfItem:item];
+            } else {
+                cell.subtitle = nil;
+            }
+            
+            cell.title = [self.controllerDelegate graphObjectTableDataSource:self
+                                                                 titleOfItem:item];
+            
+            if ([self.selectionDelegate graphObjectTableDataSource:self
+                                             selectionIncludesItem:item]) {
+                cell.accessoryType = UITableViewCellAccessoryCheckmark;
+                cell.selected = YES;
+            } else {
+                cell.accessoryType = UITableViewCellAccessoryNone;
+                cell.selected = NO;
+            }
+            
+            if ([self.controllerDelegate respondsToSelector:@selector(graphObjectTableDataSource:customizeTableCell:)]) {
+                [self.controllerDelegate graphObjectTableDataSource:self
+                                                 customizeTableCell:cell];
+            }
+        } else {
+            cell.picture = nil;
+            cell.subtitle = nil;
+            cell.title = nil;
+            cell.accessoryType = UITableViewCellAccessoryNone;
+            cell.selected = NO;
+        }
+    }
+    
+    return cell;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.h b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.h
new file mode 100644
index 0000000..0f2ba69
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBGraphObjectTableDataSource.h"
+
+@protocol FBGraphObjectSelectionChangedDelegate;
+
+@interface FBGraphObjectTableSelection : NSObject<UITableViewDelegate>
+
+@property (nonatomic, assign) NSObject<FBGraphObjectSelectionChangedDelegate> *delegate;
+@property (nonatomic, retain, readonly) NSArray *selection;
+@property (nonatomic) BOOL allowsMultipleSelection;
+
+- (id)initWithDataSource:(FBGraphObjectTableDataSource *)dataSource;
+- (void)clearSelectionInTableView:(UITableView*)tableView;
+
+
+@end
+
+@protocol FBGraphObjectSelectionChangedDelegate <NSObject>
+
+- (void)graphObjectTableSelectionDidChange:(FBGraphObjectTableSelection *)selection;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.m b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.m
new file mode 100644
index 0000000..89c0b72
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphObjectTableSelection.m
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBGraphObjectTableSelection.h"
+#import "FBUtility.h"
+
+@interface FBGraphObjectTableSelection() <UITableViewDelegate, FBGraphObjectSelectionQueryDelegate> 
+
+@property (nonatomic, retain) FBGraphObjectTableDataSource *dataSource;
+@property (nonatomic, retain) NSArray *selection;
+
+- (void)selectItem:(FBGraphObject *)item
+              cell:(UITableViewCell *)cell;
+
+- (void)    deselectItem:(FBGraphObject *)item
+                    cell:(UITableViewCell *)cell
+   raiseSelectionChanged:(BOOL) raiseSelectionChanged;
+
+- (void)selectionChanged;
+
+@end
+
+@implementation FBGraphObjectTableSelection
+
+@synthesize dataSource = _dataSource;
+@synthesize delegate = _delegate;
+@synthesize selection = _selection;
+@synthesize allowsMultipleSelection = _allowMultipleSelection;
+
+- (id)initWithDataSource:(FBGraphObjectTableDataSource *)dataSource
+{
+    self = [super init];
+    
+    if (self) {
+        dataSource.selectionDelegate = self;
+
+        self.dataSource = dataSource;
+        self.allowsMultipleSelection = YES;
+        
+        NSArray *selection = [[NSArray alloc] init];
+        self.selection = selection;
+        [selection release];
+    }
+    
+    return self;
+}
+
+- (void)dealloc
+{
+    _dataSource.selectionDelegate = nil;
+    
+    [_dataSource release];
+    [_selection release];
+
+    [super dealloc];
+}
+
+- (void)clearSelectionInTableView:(UITableView*)tableView {
+    if (self.selection.count > 0) {
+        [self deselectItems:self.selection tableView:tableView];
+        [self selectionChanged];
+    }
+}
+
+- (void)selectItem:(FBGraphObject *)item
+              cell:(UITableViewCell *)cell
+{
+    if ([FBUtility graphObjectInArray:self.selection withSameIDAs:item] == nil) {
+        NSMutableArray *selection = [[NSMutableArray alloc] initWithArray:self.selection];
+        [selection addObject:item];
+        self.selection = selection;
+        [selection release];
+    }
+    cell.accessoryType = UITableViewCellAccessoryCheckmark;
+    [self selectionChanged];
+}
+
+- (void)    deselectItem:(FBGraphObject *)item
+                    cell:(UITableViewCell *)cell
+   raiseSelectionChanged:(BOOL) raiseSelectionChanged
+{
+    id<FBGraphObject> selectedItem = [FBUtility graphObjectInArray:self.selection withSameIDAs:item];
+    if (selectedItem) {
+        NSMutableArray *selection = [[NSMutableArray alloc] initWithArray:self.selection];
+        [selection removeObject:selectedItem];
+        self.selection = selection;
+        [selection release];
+    }
+    cell.accessoryType = UITableViewCellAccessoryNone;
+    if (raiseSelectionChanged) {
+        [self selectionChanged];
+    }
+}
+
+// Note this method does NOT automatically "raise" the selectionChanged event.
+- (void)deselectItems:(NSArray*)items tableView:(UITableView*)tableView
+{
+    // Copy this so it doesn't change from under us.
+    items = [NSArray arrayWithArray:items];
+    
+    for (FBGraphObject *item in items) {
+        NSIndexPath *indexPath = [self.dataSource indexPathForItem:item];
+        
+        UITableViewCell *cell = nil;
+        if (indexPath != nil) {
+            cell = [tableView cellForRowAtIndexPath:indexPath];
+        }
+        
+        [self deselectItem:item cell:cell raiseSelectionChanged:NO];
+    }
+}
+
+- (void)selectionChanged
+{
+    if ([self.delegate respondsToSelector:
+         @selector(graphObjectTableSelectionDidChange:)]) {
+        // Let the table view finish updating its UI before notifying the delegate.
+        [self.delegate performSelector:@selector(graphObjectTableSelectionDidChange:) withObject:self afterDelay:.1];
+    }
+}
+
+- (BOOL)selectionIncludesItem:(id<FBGraphObject>)item
+{
+    return [FBUtility graphObjectInArray:self.selection withSameIDAs:item] != nil;
+}
+
+#pragma mark - FBGraphObjectSelectionDelegate
+
+- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+             selectionIncludesItem:(id<FBGraphObject>)item
+{
+    return [self selectionIncludesItem:item];
+}
+
+#pragma mark - UITableViewDelegate
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
+    // cell may be nil, which is okay, it will pick up the right selected state when it is created.
+   
+    FBGraphObject *item = [self.dataSource itemAtIndexPath:indexPath];
+    if (item != nil) {
+        // We want to support multi-select on iOS <5.0, so rather than rely on the table view's notion
+        // of selection, just treat this as a toggle. If it is already selected, deselect it, and vice versa.
+        if (![self selectionIncludesItem:item]) {
+            if (self.allowsMultipleSelection == NO) {
+                // No multi-select allowed, deselect what is already selected.
+                [self deselectItems:self.selection tableView:tableView];
+            }
+            [self selectItem:item cell:cell];
+        } else {
+            [self deselectItem:item cell:cell raiseSelectionChanged:YES];
+        }
+    }
+}
+
+- (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    if (self.allowsMultipleSelection == NO) {
+        // Only deselect if we are not allowing multi select. Otherwise, the user will manually
+        // deselect this item by clicking on it again.
+        
+        // cell may be nil, which is okay, it will pick up the right selected state when it is created.
+        UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
+ 
+        FBGraphObject *item = [self.dataSource itemAtIndexPath:indexPath];
+        [self deselectItem:item cell:cell raiseSelectionChanged:NO];
+    }
+}
+
+#pragma mark Debugging helpers
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p, allowsMultipleSelection: %@, delegate: %p, selection: [",
+                               NSStringFromClass([self class]), 
+                               self,
+                               self.allowsMultipleSelection ? @"YES" : @"NO",
+                               self.delegate];
+                               
+    bool firstItem = YES;
+    for (FBGraphObject *item in self.selection) {
+        id objectId = [item objectForKey:@"id"];
+        if (!firstItem) {
+            [result appendFormat:@", "];
+        }
+        firstItem = NO;
+        [result appendFormat:@"%@", (objectId != nil) ? objectId : @"<FBGraphObject>"];
+    }
+    [result appendFormat:@"]>"];
+    
+    return result;
+    
+}
+
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphPlace.h b/Vendor/facebook-ios-sdk/src/FBGraphPlace.h
new file mode 100644
index 0000000..ffa193d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphPlace.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphLocation.h"
+#import "FBGraphObject.h"
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBGraphPlace` protocol enables typed access to a place object
+ as represented in the Graph API.
+
+ 
+ @discussion
+ The `FBGraphPlace` protocol represents the most commonly used properties of a 
+ Facebook place object. It may be used to access an `NSDictionary` object that has
+ been wrapped with an <FBGraphObject> facade.
+ */
+@protocol FBGraphPlace<FBGraphObject>
+
+/*!
+ @property
+ @abstract Typed access to the place ID.
+ */
+@property (retain, nonatomic) NSString *id;
+
+/*!
+ @property
+ @abstract Typed access to the place name.
+ */
+@property (retain, nonatomic) NSString *name;
+
+/*!
+ @property
+ @abstract Typed access to the place category.
+ */
+@property (retain, nonatomic) NSString *category;
+
+/*!
+ @property
+ @abstract Typed access to the place location.
+ */
+@property (retain, nonatomic) id<FBGraphLocation> location;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBGraphUser.h b/Vendor/facebook-ios-sdk/src/FBGraphUser.h
new file mode 100644
index 0000000..c9334fb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBGraphUser.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphPlace.h"
+#import "FBGraphObject.h"
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBGraphUser` protocol enables typed access to a user object
+ as represented in the Graph API.
+
+ 
+ @discussion
+ The `FBGraphUser` protocol represents the most commonly used properties of a 
+ Facebook user object. It may be used to access an `NSDictionary` object that has
+ been wrapped with an <FBGraphObject> facade.
+ */
+@protocol FBGraphUser<FBGraphObject>
+
+/*!
+ @property
+ @abstract Typed access to the user's ID.
+ */
+@property (retain, nonatomic) NSString *id;
+
+/*!
+ @property
+ @abstract Typed access to the user's name.
+ */
+@property (retain, nonatomic) NSString *name;
+
+/*!
+ @property
+ @abstract Typed access to the user's first name.
+ */
+@property (retain, nonatomic) NSString *first_name;
+
+/*!
+ @property
+ @abstract Typed access to the user's middle name.
+ */
+@property (retain, nonatomic) NSString *middle_name;
+
+/*!
+ @property
+ @abstract Typed access to the user's last name.
+ */
+@property (retain, nonatomic) NSString *last_name;
+
+/*!
+ @property 
+ @abstract Typed access to the user's profile URL.
+ */
+@property (retain, nonatomic) NSString *link;
+
+/*!
+ @property 
+ @abstract Typed access to the user's username.
+ */
+@property (retain, nonatomic) NSString *username;
+
+/*!
+ @property 
+ @abstract Typed access to the user's birthday.
+ */
+@property (retain, nonatomic) NSString *birthday;
+
+/*!
+ @property 
+ @abstract Typed access to the user's current city.
+ */
+@property (retain, nonatomic) id<FBGraphPlace> location;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.h b/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.h
new file mode 100644
index 0000000..af79b9d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+@interface FBImageResourceLoader : NSObject
+
++ (UIImage*) imageFromBytes:(const Byte *)bytes
+                     length:(NSUInteger)length
+            fromRetinaBytes:(const Byte *)retinaBytes
+               retinaLength:(NSUInteger)retinaLength;
+
++ (UIImage*) imageNamed:(NSString *)imageName
+              fromBytes:(const Byte *)bytes
+                 length:(NSUInteger)length
+        fromRetinaBytes:(const Byte *)retinaBytes
+           retinaLength:(NSUInteger)retinaLength;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.m b/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.m
new file mode 100644
index 0000000..8bca623
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBImageResourceLoader.m
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBImageResourceLoader.h"
+#import "FBSettings.h"
+#import "FBUtility.h"
+
+@implementation FBImageResourceLoader
+
++ (UIImage*) loadImageFromBytes:(const Byte*)bytes
+                         length:(NSUInteger)length
+                          scale:(CGFloat)scale {
+    NSData *data = [NSData dataWithBytesNoCopy:(void*)bytes length:length freeWhenDone:NO];
+    UIImage *image = [UIImage imageWithData:data scale:scale];
+    return image;
+}
+
++ (UIImage*) imageFromBytes:(const Byte *)bytes
+                     length:(NSUInteger)length
+            fromRetinaBytes:(const Byte *)retinaBytes
+               retinaLength:(NSUInteger)retinaLength {
+    if ([FBUtility isRetinaDisplay]) {
+        return [FBImageResourceLoader loadImageFromBytes:retinaBytes length:retinaLength scale:2.0];
+    } else {
+        return [FBImageResourceLoader loadImageFromBytes:bytes length:length scale:1.0];
+    }
+}
+
++ (UIImage*) imageNamed:(NSString *)imageName
+              fromBytes:(const Byte *)bytes
+                 length:(NSUInteger)length
+        fromRetinaBytes:(const Byte *)retinaBytes
+           retinaLength:(NSUInteger)retinaLength {
+    NSString *bundleName = [FBSettings resourceBundleName];
+    if (bundleName) {
+        UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"%@.bundle/%@", bundleName, imageName]];
+        if (image) {
+            return image;
+        }
+    }
+    return [FBImageResourceLoader imageFromBytes:bytes
+                                          length:length
+                                 fromRetinaBytes:retinaBytes
+                                    retinaLength:retinaLength];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBInsights.h b/Vendor/facebook-ios-sdk/src/FBInsights.h
new file mode 100644
index 0000000..fe24ed1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBInsights.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession.h"
+
+/*!
+ @typedef FBInsightsFlushBehavior enum
+ 
+ @abstract This enum has been deprecated in favor of FBAppEventsFlushBehavior.
+ */
+__attribute__ ((deprecated("use FBAppEventsFlushBehavior instead")))
+typedef enum {
+    FBInsightsFlushBehaviorAuto __attribute__ ((deprecated("use FBAppEventsFlushBehaviorAuto instead"))),
+    FBInsightsFlushBehaviorExplicitOnly __attribute__ ((deprecated("use FBAppEventsFlushBehaviorExplicitOnly instead"))),
+} FBInsightsFlushBehavior;
+
+extern NSString *const FBInsightsLoggingResultNotification __attribute__((deprecated));
+
+/*!
+ @class FBInsights
+ 
+ @abstract This class has been deprecated in favor of FBAppEvents.
+ */
+__attribute__ ((deprecated("Use the FBAppEvents class instead")))
+@interface FBInsights : NSObject
+
++ (NSString *)appVersion __attribute__((deprecated));
++ (void)setAppVersion:(NSString *)appVersion __attribute__((deprecated("use [FBSettings setAppVersion] instead")));
+
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency __attribute__((deprecated("use [FBAppEvents logPurchase] instead")));
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency parameters:(NSDictionary *)parameters __attribute__((deprecated("use [FBAppEvents logPurchase] instead")));
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency parameters:(NSDictionary *)parameters session:(FBSession *)session __attribute__((deprecated("use [FBAppEvents logPurchase] instead")));
+
++ (void)logConversionPixel:(NSString *)pixelID valueOfPixel:(double)value __attribute__((deprecated));
++ (void)logConversionPixel:(NSString *)pixelID valueOfPixel:(double)value session:(FBSession *)session __attribute__((deprecated));
+
++ (FBInsightsFlushBehavior)flushBehavior __attribute__((deprecated("use [FBAppEvents flushBehavior] instead")));
++ (void)setFlushBehavior:(FBInsightsFlushBehavior)flushBehavior __attribute__((deprecated("use [FBAppEvents setFlushBehavior] instead")));
+
++ (void)flush __attribute__((deprecated("use [FBAppEvents flush] instead")));
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBInsights.m b/Vendor/facebook-ios-sdk/src/FBInsights.m
new file mode 100644
index 0000000..6c34dd4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBInsights.m
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIApplication.h>
+#import "FBInsights.h"
+#import "FBAppEvents.h"
+#import "FBAppEvents+Internal.h"
+#import "FBSettings.h"
+
+// Constant needs to match FBAppEventsLoggingResultNotification.
+NSString *const FBInsightsLoggingResultNotification = @"com.facebook.sdk:FBAppEventsLoggingResultNotification";
+
+@interface FBInsights ()
+
+@end
+
+@implementation FBInsights
+
++ (NSString *)appVersion {
+    return [FBSettings appVersion];
+}
+
++ (void)setAppVersion:(NSString *)appVersion {
+    [FBSettings setAppVersion:appVersion];
+}
+
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency {
+    [FBInsights logPurchase:purchaseAmount currency:currency parameters:nil];
+}
+
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency parameters:(NSDictionary *)parameters {
+    [FBInsights logPurchase:purchaseAmount currency:currency parameters:parameters session:nil];
+}
+
++ (void)logPurchase:(double)purchaseAmount currency:(NSString *)currency parameters:(NSDictionary *)parameters session:(FBSession *)session {
+    [FBAppEvents logPurchase:purchaseAmount currency:currency parameters:parameters session:session];
+}
+
++ (void)logConversionPixel:(NSString *)pixelID valueOfPixel:(double)value {
+    [FBInsights logConversionPixel:pixelID valueOfPixel:value session:nil];
+}
++ (void)logConversionPixel:(NSString *)pixelID valueOfPixel:(double)value session:(FBSession *)session {
+    [FBAppEvents logConversionPixel:pixelID valueOfPixel:value session:session];
+}
+
++ (FBInsightsFlushBehavior)flushBehavior {
+    return [FBAppEvents flushBehavior];
+}
+
++ (void)setFlushBehavior:(FBInsightsFlushBehavior)flushBehavior {
+    [FBAppEvents setFlushBehavior:flushBehavior];
+}
+
++ (void)flush {
+    [FBAppEvents flush];
+}
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBLogger.h b/Vendor/facebook-ios-sdk/src/FBLogger.h
new file mode 100644
index 0000000..f031f90
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLogger.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*! 
+ @class FBLogger
+ 
+ @abstract
+ Simple logging utility for conditionally logging strings and then emitting them 
+ via NSLog().
+ 
+ @unsorted
+ */
+@interface FBLogger : NSObject
+
+// Access current accumulated contents of the logger.
+@property (copy, nonatomic) NSString *contents;
+
+// Each FBLogger gets a unique serial number to allow the client to log these numbers and, for instance, correlation of Request/Response
+@property (nonatomic, readonly) NSUInteger loggerSerialNumber;
+
+// The logging behavior of this logger.  See the FB_LOG_BEHAVIOR* constants in FBSession.h 
+@property (copy, nonatomic, readonly) NSString *loggingBehavior;
+
+// Is the current logger instance active, based on its loggingBehavior?
+@property (nonatomic, readonly) BOOL isActive;
+
+//
+// Instance methods
+//
+
+// Create with specified logging behavior
+- (id)initWithLoggingBehavior:(NSString *)loggingBehavior;
+
+// Append string, or key/value pair
+- (void)appendString:(NSString *)string;
+- (void)appendFormat:(NSString *)formatString, ... NS_FORMAT_FUNCTION(1,2);
+- (void)appendKey:(NSString *)key value:(NSString *)value;
+
+// Emit log, clearing out the logger contents.
+- (void)emitToNSLog;
+
+//
+// Class methods
+//
+
+//
+// Return a globally unique serial number to be used for correlating multiple output from the same logger.
+//
++ (NSUInteger)newSerialNumber;
+
+// Simple helper to write a single log entry, based upon whether the behavior matches a specified on.
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+                  logEntry:(NSString *)logEntry;
+
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+              formatString:(NSString *)formatString, ... NS_FORMAT_FUNCTION(2,3);
+
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+              timestampTag:(NSObject *)timestampTag
+              formatString:(NSString *)formatString, ... NS_FORMAT_FUNCTION(3,4);
+
+// Register a timestamp label with the "current" time, to then be retrieved by singleShotLogEntry
+// to include a duration.
++ (void)registerCurrentTime:(NSString *)loggingBehavior
+                    withTag:(NSObject *)timestampTag;
+
+// When logging strings, replace all instances of 'replace' with instances of 'replaceWith'.
++ (void)registerStringToReplace:(NSString *)replace
+                    replaceWith:(NSString *)replaceWith;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBLogger.m b/Vendor/facebook-ios-sdk/src/FBLogger.m
new file mode 100644
index 0000000..5b1f2b3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLogger.m
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession.h"
+#import "FBSettings.h"
+#import "FBUtility.h"
+
+static NSUInteger g_serialNumberCounter = 1111; 
+static NSMutableDictionary *g_stringsToReplace = nil;
+static NSMutableDictionary *g_startTimesWithTags = nil;
+
+@interface FBLogger ()
+
+@property (nonatomic, retain, readonly) NSMutableString *internalContents;
+
+@end
+
+@implementation FBLogger
+
+@synthesize internalContents = _internalContents;
+@synthesize isActive = _isActive;
+@synthesize loggingBehavior = _loggingBehavior;
+@synthesize loggerSerialNumber = _loggerSerialNumber;
+
+// Lifetime
+
+- (id)initWithLoggingBehavior:(NSString *)loggingBehavior {
+    if (self = [super init]) {
+        _isActive = [[FBSettings loggingBehavior] containsObject:loggingBehavior];
+        _loggingBehavior = loggingBehavior;
+        if (_isActive) {
+            _internalContents = [[NSMutableString alloc] init];
+            _loggerSerialNumber = [FBLogger newSerialNumber];
+        }
+    }
+    
+    return self;
+}
+
+- (void)dealloc {
+    [_internalContents release];
+    [super dealloc];
+}
+
+// Public properties
+
+- (NSString *)contents {
+    return _internalContents;
+}
+
+- (void)setContents:(NSString *)contents {
+    if (_isActive) {
+        [_internalContents release];
+        _internalContents = [NSMutableString stringWithString:contents];
+    }
+}
+
+// Public instance methods
+
+- (void)appendString:(NSString *)string {
+    if (_isActive) {
+        [_internalContents appendString:string];
+    }
+}
+
+- (void)appendFormat:(NSString *)formatString, ... {
+    if (_isActive) {
+        va_list vaArguments;
+        va_start(vaArguments, formatString);
+        NSString *logString = [[[NSString alloc] initWithFormat:formatString arguments:vaArguments] autorelease];
+        va_end(vaArguments);
+        
+        [self appendString:logString];        
+    }
+}
+
+
+- (void)appendKey:(NSString *)key value:(NSString *)value {
+    if (_isActive && [value length]) {
+        [_internalContents appendFormat:@"  %@:\t%@\n", key, value];
+    }    
+}
+
+- (void)emitToNSLog {
+    if (_isActive) {
+        
+        for (NSString *key in [g_stringsToReplace keyEnumerator]) {
+            [_internalContents replaceOccurrencesOfString:key 
+                                               withString:[g_stringsToReplace objectForKey:key]
+                                                  options:NSLiteralSearch 
+                                                    range:NSMakeRange(0, _internalContents.length)];
+        }
+        
+        // Xcode 4.4 hangs on extremely long NSLog output (http://openradar.appspot.com/11972490).  Truncate if needed.
+        const int MAX_LOG_STRING_LENGTH = 10000;
+        NSString *logString = _internalContents;
+        if (_internalContents.length > MAX_LOG_STRING_LENGTH) {
+            logString = [NSString stringWithFormat:@"TRUNCATED: %@", [_internalContents substringToIndex:MAX_LOG_STRING_LENGTH]];
+        }
+        NSLog(@"FBSDKLog: %@", logString);
+
+        [_internalContents setString:@""];
+    }
+}
+
+// Public static methods
+
++ (NSUInteger)newSerialNumber {
+    return g_serialNumberCounter++;
+}
+
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+                  logEntry:(NSString *)logEntry {
+    if ([[FBSettings loggingBehavior] containsObject:loggingBehavior]) {
+        FBLogger *logger = [[FBLogger alloc] initWithLoggingBehavior:loggingBehavior];
+        [logger appendString:logEntry];
+        [logger emitToNSLog];
+        [logger release];
+    }
+}
+
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+              formatString:(NSString *)formatString, ... {
+    
+    if ([[FBSettings loggingBehavior] containsObject:loggingBehavior]) {
+        va_list vaArguments;
+        va_start(vaArguments, formatString);                                                                                
+        NSString *logString = [[[NSString alloc] initWithFormat:formatString arguments:vaArguments] autorelease];
+        va_end(vaArguments);
+
+        [self singleShotLogEntry:loggingBehavior logEntry:logString];
+    }
+}
+
+
++ (void)singleShotLogEntry:(NSString *)loggingBehavior
+              timestampTag:(NSObject *)timestampTag
+              formatString:(NSString *)formatString, ... {
+    
+    if ([[FBSettings loggingBehavior] containsObject:loggingBehavior]) {
+        va_list vaArguments;
+        va_start(vaArguments, formatString);  
+        NSString *logString = [[[NSString alloc] initWithFormat:formatString arguments:vaArguments] autorelease];
+        va_end(vaArguments);
+        
+        // Start time of this "timestampTag" is stashed in the dictionary.
+        // Treat the incoming object tag simply as an address, since it's only used to identify during lifetime.  If
+        // we send in as an object, the dictionary will try to copy it.
+        NSNumber *tagAsNumber = [NSNumber numberWithUnsignedLong:(unsigned long)(void *)timestampTag];
+        NSNumber *startTimeNumber = [g_startTimesWithTags objectForKey:tagAsNumber];
+        
+        // Only log if there's been an associated start time.
+        if (startTimeNumber) {
+            unsigned long elapsed = [FBUtility currentTimeInMilliseconds] - startTimeNumber.unsignedLongValue;
+            [g_startTimesWithTags removeObjectForKey:tagAsNumber];  // served its purpose, remove
+            
+            // Log string is appended with "%d msec", with nothing intervening.  This gives the most control to the caller.
+            logString = [NSString stringWithFormat:@"%@%lu msec", logString, elapsed];
+        
+            [self singleShotLogEntry:loggingBehavior logEntry:logString];
+        }
+    }
+}
+
++ (void)registerCurrentTime:(NSString *)loggingBehavior
+                    withTag:(NSObject *)timestampTag {
+
+    if ([[FBSettings loggingBehavior] containsObject:loggingBehavior]) {
+        
+        if (!g_startTimesWithTags) {
+            g_startTimesWithTags = [[NSMutableDictionary alloc] init];
+        }
+        
+        if (g_startTimesWithTags.count >= 1000) {
+            [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors logEntry:
+                    @"Unexpectedly large number of outstanding perf logging start times, something is likely wrong."];
+        }
+        
+        unsigned long currTime = [FBUtility currentTimeInMilliseconds];
+        
+        // Treat the incoming object tag simply as an address, since it's only used to identify during lifetime.  If
+        // we send in as an object, the dictionary will try to copy it.
+        unsigned long tagAsNumber = (unsigned long)(void *)timestampTag;
+        [g_startTimesWithTags setObject:[NSNumber numberWithUnsignedLong:currTime]
+                                 forKey:[NSNumber numberWithUnsignedLong:tagAsNumber]];
+    }
+}
+
+
++ (void)registerStringToReplace:(NSString *)replace
+                    replaceWith:(NSString *)replaceWith {
+    
+    // Strings sent in here never get cleaned up, but that's OK, don't ever expect too many.
+    
+    if ([[FBSettings loggingBehavior] count] > 0) {  // otherwise there's no logging.
+        
+        if (!g_stringsToReplace) {
+            g_stringsToReplace = [[NSMutableDictionary alloc] init];
+        }
+        
+        [g_stringsToReplace setValue:replaceWith forKey:replace];
+    }
+}
+
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginDialog.h b/Vendor/facebook-ios-sdk/src/FBLoginDialog.h
new file mode 100644
index 0000000..33180ea
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginDialog.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#import "FBDialog.h"
+
+@protocol FBLoginDialogDelegate;
+
+/**
+ * Do not use this interface directly, instead, use authorize in Facebook.h
+ *
+ * Facebook Login Dialog interface for start the facebook webView login dialog.
+ * It start pop-ups prompting for credentials and permissions.
+ */
+
+@interface FBLoginDialog : FBDialog {
+    id<FBLoginDialogDelegate> _loginDelegate;
+}
+
+-(id) initWithURL:(NSString *) loginURL
+      loginParams:(NSMutableDictionary *) params
+         delegate:(id <FBLoginDialogDelegate>) delegate;
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@protocol FBLoginDialogDelegate <NSObject>
+
+- (void)fbDialogLogin:(NSString*)token expirationDate:(NSDate*)expirationDate;
+
+- (void)fbDialogNotLogin:(BOOL)cancelled;
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginDialog.m b/Vendor/facebook-ios-sdk/src/FBLoginDialog.m
new file mode 100644
index 0000000..d759a5a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginDialog.m
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBDialog.h"
+#import "FBLoginDialog.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation FBLoginDialog
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// public 
+
+/*
+ * initialize the FBLoginDialog with url and parameters
+ */
+- (id)initWithURL:(NSString*) loginURL 
+      loginParams:(NSMutableDictionary*) params 
+         delegate:(id <FBLoginDialogDelegate>) delegate{
+    
+    self = [super init];
+    _serverURL = [loginURL retain];
+    _params = [params retain];
+    _loginDelegate = delegate;
+    return self;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// FBDialog
+
+/**
+ * Override FBDialog : to call when the webView Dialog did succeed
+ */
+- (void) dialogDidSucceed:(NSURL*)url {
+    NSString *q = [url absoluteString];
+    NSString *token = [self getStringFromUrl:q needle:@"access_token="];
+    NSString *expTime = [self getStringFromUrl:q needle:@"expires_in="];
+    NSDate *expirationDate =nil;
+    
+    if (expTime != nil) {
+        int expVal = [expTime intValue];
+        if (expVal == 0) {
+            expirationDate = [NSDate distantFuture];
+        } else {
+            expirationDate = [NSDate dateWithTimeIntervalSinceNow:expVal];
+        } 
+    } 
+    
+    if ((token == (NSString *) [NSNull null]) || (token.length == 0)) {
+        [self dialogDidCancel:url];
+        [self dismissWithSuccess:NO animated:YES];
+    } else {
+        if ([_loginDelegate respondsToSelector:@selector(fbDialogLogin:expirationDate:)]) {
+            [_loginDelegate fbDialogLogin:token expirationDate:expirationDate];
+        }
+        [self dismissWithSuccess:YES animated:YES];
+    }
+    
+}
+
+/**
+ * Override FBDialog : to call with the login dialog get canceled 
+ */
+- (void)dialogDidCancel:(NSURL *)url {
+    [self dismissWithSuccess:NO animated:YES];
+    if ([_loginDelegate respondsToSelector:@selector(fbDialogNotLogin:)]) {
+        [_loginDelegate fbDialogNotLogin:YES];
+    }
+}
+
+- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
+    if (!(([error.domain isEqualToString:@"NSURLErrorDomain"] && error.code == -999) ||
+          ([error.domain isEqualToString:@"WebKitErrorDomain"] && error.code == 102))) {
+        [super webView:webView didFailLoadWithError:error];
+        if ([_loginDelegate respondsToSelector:@selector(fbDialogNotLogin:)]) {
+            [_loginDelegate fbDialogNotLogin:NO];
+        }
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.h b/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.h
new file mode 100644
index 0000000..d761fde
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBDialogsParams.h"
+#import "FBSession.h"
+
+@interface FBLoginDialogParams : FBDialogsParams
+
+/*!
+ Permissions being requested. Ex "basic_info,email"
+ */
+@property (nonatomic, copy) NSArray *permissions;
+
+/*!
+ When requesting publish permissions, this must be set to a value other than FBSessionDefaultAudienceNone.
+ If not requesting publish permissions, leave this property unset.
+ */
+@property (nonatomic, assign) FBSessionDefaultAudience writePrivacy;
+
+/*!
+ When requesting for the access token to be renewed, set this property to YES.
+ */
+@property BOOL isRefreshOnly;
+
+/*!
+ Optional session instance whose overrides (e.g., urlSchemeSuffix) will be used.
+*/
+@property (nonatomic, retain) FBSession *session;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.m b/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.m
new file mode 100644
index 0000000..16dead8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginDialogParams.m
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLoginDialogParams.h"
+#import "FBDialogsParams+Internal.h"
+#import "FBAppBridge.h"
+#import "FBSettings+Internal.h"
+#import "FBSession+Internal.h"
+
+static NSString *const SSOWritePrivacyPublic = @"EVERYONE";
+static NSString *const SSOWritePrivacyFriends = @"ALL_FRIENDS";
+static NSString *const SSOWritePrivacyOnlyMe = @"SELF";
+
+static NSString *const kFBNativeLoginMinVersion = @"20130702";
+
+@implementation FBLoginDialogParams
+
+- (void)dealloc
+{
+    [_permissions release];
+    [super dealloc];
+}
+
+- (NSDictionary *)dictionaryMethodArgs
+{
+    NSMutableDictionary *args = [NSMutableDictionary dictionary];
+    
+    NSString *permStr = [self.permissions componentsJoinedByString:@","];
+    if (permStr && permStr.length) {
+        args[@"permissions"] = permStr;
+    } else {
+        args[@"permissions"] = @"basic_info";
+    }
+    
+    // This prevents the None case from being sent to the Facebook application
+    // which doesn't support it.
+    if (self.writePrivacy) {
+        NSString *writePrivacyString = nil;
+        switch (self.writePrivacy) {
+            case FBSessionDefaultAudienceOnlyMe:
+                writePrivacyString = SSOWritePrivacyOnlyMe;
+                break;
+                
+            case FBSessionDefaultAudienceFriends:
+                writePrivacyString = SSOWritePrivacyFriends;
+                break;
+                
+            case FBSessionDefaultAudienceEveryone:
+                writePrivacyString = SSOWritePrivacyPublic;
+                break;
+                
+            default:
+                // This will most likely result in the Facebook application
+                // denying SSO.
+                writePrivacyString = @"NONE";
+                break;
+        }
+        args[@"write_privacy"] = writePrivacyString;
+    }
+    
+    // to support token-import we always try the refresh flow. It will fallback to the permissions
+    // dialog if the app is not installed or does not have the necessary permissions
+    args[@"is_refresh_only"] = @"1";
+    
+    return args;
+}
+
+- (NSString *)appBridgeVersion
+{
+    // Select the right minimum version for the passed in combination of params.
+    NSString *version = [FBAppBridge installedFBNativeAppVersionForMethod:@"auth3"
+                                                               minVersion:kFBNativeLoginMinVersion];
+
+    if (![FBSettings defaultDisplayName] && [version isEqualToString:kFBNativeLoginMinVersion]) {
+        // We have the first version of Native Login that does not look up the app's display
+        // name from the Facebook App with a server request. So we can't proceed.
+        
+        version = nil;
+    }
+    
+    return version;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginView.h b/Vendor/facebook-ios-sdk/src/FBLoginView.h
new file mode 100644
index 0000000..60488d2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginView.h
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBSession.h"
+#import "FBGraphUser.h"
+
+@protocol FBLoginViewDelegate;
+
+/*!
+ @class FBLoginView
+ @abstract FBLoginView is a custom UIView that renders a button to login or logout based on the
+  state of `FBSession.activeSession`
+ 
+ @discussion This view is closely associated with `FBSession.activeSession`. Upon initialization,
+  it will attempt to open an active session without UI if the current active session is not open.
+ 
+  The FBLoginView instance also monitors for changes to the active session.
+ */
+@interface FBLoginView : UIView
+
+/*!
+ @abstract
+ The permissions to login with.  Defaults to nil, meaning basic permissions.
+ 
+ @discussion Methods and properties that specify permissions without a read or publish
+ qualification are deprecated; use of a read-qualified or publish-qualified alternative is preferred.
+ */
+@property (readwrite, copy) NSArray *permissions __attribute__((deprecated));
+
+/*!
+ @abstract
+ The read permissions to request if the user logs in via this view. The basic_info permission must be explicitly requested at
+ first login, and is no longer inferred, (subject to an active migration.)
+ 
+ @discussion
+ Note, that if read permissions are specified, then publish permissions should not be specified.
+ */
+@property (nonatomic, copy) NSArray *readPermissions;
+
+/*!
+ @abstract
+ The publish permissions to request if the user logs in via this view.
+ 
+ @discussion
+ Note, that a defaultAudience value of FBSessionDefaultAudienceOnlyMe, FBSessionDefaultAudienceEveryone, or
+ FBSessionDefaultAudienceFriends should be set if publish permissions are specified. Additionally, when publish
+ permissions are specified, then read should not be specified.
+ */
+@property (nonatomic, copy) NSArray *publishPermissions;
+
+/*!
+ @abstract
+ The default audience to use, if publish permissions are requested at login time.
+ */
+@property (nonatomic, assign) FBSessionDefaultAudience defaultAudience;
+
+
+/*!
+ @abstract
+ Initializes and returns an `FBLoginView` object.  The underlying session has basic permissions granted to it.
+ */
+- (id)init;
+
+/*!
+ @method
+ 
+ @abstract
+ Initializes and returns an `FBLoginView` object constructed with the specified permissions.
+ 
+ @param permissions  An array of strings representing the permissions to request during the
+ authentication flow. A value of nil will indicates basic permissions. 
+ 
+ @discussion Methods and properties that specify permissions without a read or publish
+ qualification are deprecated; use of a read-qualified or publish-qualified alternative is preferred.
+ */
+- (id)initWithPermissions:(NSArray *)permissions __attribute__((deprecated));
+
+/*!
+ @method
+ 
+ @abstract
+ Initializes and returns an `FBLoginView` object constructed with the specified permissions.
+ 
+ @param readPermissions  An array of strings representing the read permissions to request during the
+ authentication flow. A value of nil will indicates basic permissions.
+ 
+ */
+- (id)initWithReadPermissions:(NSArray *)readPermissions;
+
+/*!
+ @method
+ 
+ @abstract
+ Initializes and returns an `FBLoginView` object constructed with the specified permissions.
+ 
+ @param publishPermissions  An array of strings representing the publish permissions to request during the
+ authentication flow. 
+ 
+ @param defaultAudience  An audience for published posts; note that FBSessionDefaultAudienceNone is not valid
+ for permission requests that include publish or manage permissions.
+ 
+ */
+- (id)initWithPublishPermissions:(NSArray *)publishPermissions
+                 defaultAudience:(FBSessionDefaultAudience)defaultAudience;
+
+/*!
+ @abstract
+ The delegate object that receives updates for selection and display control.
+ */
+@property (nonatomic, assign) IBOutlet id<FBLoginViewDelegate> delegate;
+
+@end
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBLoginViewDelegate` protocol defines the methods used to receive event 
+ notifications from `FBLoginView` objects.
+ */
+@protocol FBLoginViewDelegate <NSObject>
+
+@optional
+
+/*!
+ @abstract
+ Tells the delegate that the view is now in logged in mode
+ 
+ @param loginView   The login view that transitioned its view mode
+ */
+- (void)loginViewShowingLoggedInUser:(FBLoginView *)loginView;
+
+/*!
+ @abstract
+ Tells the delegate that the view is has now fetched user info
+
+ @param loginView   The login view that transitioned its view mode
+ 
+ @param user        The user info object describing the logged in user
+ */
+- (void)loginViewFetchedUserInfo:(FBLoginView *)loginView
+                            user:(id<FBGraphUser>)user;
+
+/*!
+ @abstract
+ Tells the delegate that the view is now in logged out mode
+ 
+ @param loginView   The login view that transitioned its view mode
+ */
+- (void)loginViewShowingLoggedOutUser:(FBLoginView *)loginView;
+
+/*!
+ @abstract
+ Tells the delegate that there is a communication or authorization error.
+ 
+ @param loginView           The login view that transitioned its view mode
+ @param error               An error object containing details of the error.
+ @discussion See https://developers.facebook.com/docs/technical-guides/iossdk/errors/
+ for error handling best practices.
+ */
+- (void)loginView:(FBLoginView *)loginView
+      handleError:(NSError *)error;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBLoginView.m b/Vendor/facebook-ios-sdk/src/FBLoginView.m
new file mode 100644
index 0000000..296c1f1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBLoginView.m
@@ -0,0 +1,544 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLoginView.h"
+#import "FBProfilePictureView.h"
+#import "FBRequest.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBSession.h"
+#import "FBGraphUser.h"
+#import "FBUtility.h"
+#import "FBSession+Internal.h"
+#import "FBAppEvents+Internal.h"
+#import "FBLoginViewButtonPNG.h"
+#import "FBLoginViewButtonPressedPNG.h"
+
+static NSString *const FBLoginViewCacheIdentity = @"FBLoginView";
+// The design calls for 16 pixels of space on the right edge of the button
+static const float kButtonEndCapWidth = 16.0;
+// The button has a 12 pixel buffer to the right of the f logo
+static const float kButtonPaddingWidth = 12.0;
+
+static CGSize g_buttonSize;
+
+// Forward declare our label wrapper that provides shadow blur
+@interface FBShadowLabel : UILabel
+
+@end
+
+@interface FBLoginView() <UIActionSheetDelegate>
+
+- (void)initialize;
+- (void)buttonPressed:(id)sender;
+- (void)configureViewForStateLoggedIn:(BOOL)isLoggedIn;
+- (void)wireViewForSession:(FBSession *)session;
+- (void)wireViewForSessionWithoutOpening:(FBSession *)session;
+- (void)unwireViewForSession ;
+- (void)fetchMeInfo;
+- (void)informDelegate:(BOOL)userOnly;
+- (void)informDelegateOfError:(NSError *)error;
+- (void)handleActiveSessionSetNotifications:(NSNotification *)notification;
+- (void)handleActiveSessionUnsetNotifications:(NSNotification *)notification;
+
+@property (retain, nonatomic) UILabel *label;
+@property (retain, nonatomic) UIButton *button;
+@property (retain, nonatomic) FBSession *session;
+@property (retain, nonatomic) FBRequestConnection *request;
+@property (retain, nonatomic) id<FBGraphUser> user;
+@property (copy, nonatomic) FBSessionStateHandler sessionStateHandler;
+@property (copy, nonatomic) FBRequestHandler requestHandler;
+// lastObservedStateWasOpen is essentially a nullable bool to track if the
+// the session state was open when the inform delegate is called. This is
+// to prevent messaging the delegate again in state transfers that are
+// not important (e.g., tokenextended, or createdopening).
+@property (copy) NSNumber *lastObservedStateWasOpen;
+
+@end
+
+@implementation FBLoginView
+
+@synthesize delegate = _delegate,
+    label = _label,
+    button = _button,
+    session = _session,
+    request = _request,
+    user = _user,
+    permissions = _permissions,
+    readPermissions = _readPermissions,
+    publishPermissions = _publishPermissions,
+    defaultAudience = _defaultAudience,
+    lastObservedStateWasOpen = _lastObservedStateWasOpen,
+    sessionStateHandler = _sessionStateHandler,
+    requestHandler = _requestHandler;
+
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        [self initialize];
+    }
+    return self;
+}
+
+- (id)initWithPermissions:(NSArray *)permissions {
+    self = [super init];
+    if (self) {
+        self.permissions = permissions;
+        [self initialize];
+    }
+    return self;
+}
+
+- (id)initWithReadPermissions:(NSArray *)readPermissions {
+    self = [super init];
+    if (self) {
+        self.readPermissions = readPermissions;
+        [self initialize];
+    }
+    return self;
+}
+
+- (id)initWithPublishPermissions:(NSArray *)publishPermissions
+                 defaultAudience:(FBSessionDefaultAudience)defaultAudience {
+    self = [super init];
+    if (self) {
+        self.publishPermissions = publishPermissions;
+        self.defaultAudience = defaultAudience;
+        [self initialize];
+    }
+    return self;
+}
+
+- (id)initWithFrame:(CGRect)aRect {
+    self = [super initWithFrame:aRect];
+    if (self) {
+        [self initialize];
+    }
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    self = [super initWithCoder:aDecoder];
+    if (self) {
+        [self initialize];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    // As noted in `initializeBlocks`, if we are being dealloc'ed, we
+    // need to let our handlers know with the sentinel value of nil
+    // to prevent EXC_BAD_ACCESS errors.
+    self.sessionStateHandler(nil, FBSessionStateClosed, nil);
+    [_sessionStateHandler release];
+    [_requestHandler release];
+    
+    // removes all observers for self
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+    
+    // if we have an outstanding request, cancel
+    [self.request cancel];
+    
+    // unwire the session to release KVO.
+    [self unwireViewForSession];
+    
+    [_request release];
+    [_label release];
+    [_button release];
+    [_session release];
+    [_user release];
+    [_permissions release];
+    
+    [super dealloc];
+}
+
+- (void)setDelegate:(id<FBLoginViewDelegate>)newValue {
+    if (_delegate != newValue) {
+        _delegate = newValue;
+        
+        // whenever the delegate value changes, we schedule one initial call to inform the delegate
+        // of our current state; we use a delay in order to avoid a callback in a setup or init method
+        [self performSelector:@selector(informDelegate:)
+                   withObject:nil
+                   afterDelay:.01];
+    }
+}
+
+- (void)initializeBlocks {
+    // Set up our block handlers in a way that supports nil'ing out the weak self reference to
+    // prevent EXC_BAD_ACCESS errors if the session invokes the handler after the FBLoginView
+    // has been deallocated. Note the handlers are declared as a `copy` property so that
+    // the block lives on the heap.
+    __block FBLoginView *weakSelf = self;
+    self.sessionStateHandler = ^(FBSession *session, FBSessionState status, NSError *error) {
+        if (session == nil) {
+            // The nil sentinel value for session indicates both blocks should no-op thereafter.
+            weakSelf = nil;
+        } else if (error) {
+            [weakSelf informDelegateOfError:error];
+        }
+    };
+    self.requestHandler = ^(FBRequestConnection *connection, NSMutableDictionary<FBGraphUser> *result, NSError *error) {
+        if (result) {
+            weakSelf.user = result;
+            [weakSelf informDelegate:YES];
+        } else {
+            weakSelf.user = nil;
+            if (weakSelf.session.isOpen) {
+                // Only inform the delegate of errors if the session remains open;
+                // since session closure errors will surface through the openActiveSession
+                // block.
+                [weakSelf informDelegateOfError:error];
+            }
+        }
+        weakSelf.request = nil;
+    };
+}
+
+- (void)initialize {
+    // the base class can cause virtual recursion, so
+    // to handle this we make initialize idempotent
+    if (self.button) {
+        return;
+    }
+    
+    // setup view
+    self.autoresizesSubviews = YES;
+    self.clipsToBounds = YES;
+    
+    [self initializeBlocks];
+    
+    if ([FBSession activeSessionIfOpen] == nil) {
+        // if our session has a cached token ready, we open it; note that it is important
+        // that we open the session before notification wiring is in place
+        [FBSession openActiveSessionWithReadPermissions:nil
+                                           allowLoginUI:NO
+                                      completionHandler:self.sessionStateHandler];
+    }
+
+    // wire-up the current session to the login view, before adding global session-change handlers
+    [self wireViewForSession:FBSession.activeSession];
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self 
+                                             selector:@selector(handleActiveSessionSetNotifications:) 
+                                                 name:FBSessionDidSetActiveSessionNotification
+                                               object:nil];
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self 
+                                             selector:@selector(handleActiveSessionUnsetNotifications:) 
+                                                 name:FBSessionDidUnsetActiveSessionNotification
+                                               object:nil]; 
+    
+    // setup button
+    self.button = [UIButton buttonWithType:UIButtonTypeCustom];
+    [self.button addTarget:self
+                    action:@selector(buttonPressed:)
+          forControlEvents:UIControlEventTouchUpInside];
+    self.button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentFill;
+    self.button.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+    
+    // We want to make sure that when we stretch the image, it includes the curved edges and drop shadow
+    // We inset enough pixels to make sure that happens
+    UIEdgeInsets imageInsets = UIEdgeInsetsMake(4.0, 40.0, 4.0, 4.0);
+    
+    UIImage *image = [[FBLoginViewButtonPNG image] resizableImageWithCapInsets:imageInsets];
+    [self.button setBackgroundImage:image forState:UIControlStateNormal];
+    
+    image = [[FBLoginViewButtonPressedPNG image] resizableImageWithCapInsets:imageInsets];
+    [self.button setBackgroundImage:image forState:UIControlStateHighlighted];
+
+    [self addSubview:self.button];
+
+    // Compute the text size to figure out the overall size of the button
+    UIFont *font = [UIFont fontWithName:@"HelveticaNeue-Bold" size:14.0];
+    float textSizeWidth = MAX([[self logInText] sizeWithFont:font].width, [[self logOutText] sizeWithFont:font].width);
+
+    // We make the button big enough to hold the image, the text, the padding to the right of the f and the end cap
+    g_buttonSize = CGSizeMake(image.size.width + textSizeWidth + kButtonPaddingWidth + kButtonEndCapWidth, image.size.height);
+    
+    // add a label that will appear over the button
+    self.label = [[[FBShadowLabel alloc] init] autorelease];
+    self.label.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+#ifdef __IPHONE_6_0
+    self.label.textAlignment = NSTextAlignmentCenter;
+#else
+    self.label.textAlignment = UITextAlignmentCenter;
+#endif
+    self.label.backgroundColor = [UIColor clearColor];
+    self.label.font = font;
+    self.label.textColor = [UIColor whiteColor];
+    [self addSubview:self.label];
+    
+    // We force our height to be the same as the image, but we will let someone make us wider
+    // than the default image.
+    CGFloat width = MAX(self.frame.size.width, g_buttonSize.width);
+    CGRect frame = CGRectMake(self.frame.origin.x, self.frame.origin.y,
+                              width, image.size.height);
+    self.frame = frame;
+    
+    CGRect buttonFrame = CGRectMake(0, 0, width, image.size.height);
+    self.button.frame = buttonFrame;
+    
+    // This needs to start at an x just to the right of the f in the image, the -1 on both x and y is to account for shadow in the image
+    self.label.frame = CGRectMake(image.size.width - kButtonPaddingWidth - 1, -1, width - (image.size.width - kButtonPaddingWidth) - kButtonEndCapWidth, image.size.height);
+    
+    self.backgroundColor = [UIColor clearColor];
+    
+    if (self.session.isOpen) {
+        [self fetchMeInfo];
+        [self configureViewForStateLoggedIn:YES];
+    } else {
+        [self configureViewForStateLoggedIn:NO];
+    }
+}
+
+- (CGSize)intrinsicContentSize {
+    return self.bounds.size;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size {
+    return CGSizeMake(g_buttonSize.width, g_buttonSize.height);
+}
+
+- (NSString *)logInText {
+    return [FBUtility localizedStringForKey:@"FBLV:LogInButton" withDefault:@"Log in with Facebook"];
+}
+
+- (NSString *)logOutText {
+    return [FBUtility localizedStringForKey:@"FBLV:LogOutButton" withDefault:@"Log out"];
+}
+
+- (void)configureViewForStateLoggedIn:(BOOL)isLoggedIn {
+    if (isLoggedIn) {
+        self.label.text = [self logOutText];
+    } else {
+        self.label.text = [self logInText];
+        self.user = nil;
+    }
+}
+
+- (void)fetchMeInfo {
+    FBRequest *request = [FBRequest requestForMe];
+    [request setSession:self.session];
+    self.request = [[[FBRequestConnection alloc] init] autorelease];
+    [self.request addRequest:request
+           completionHandler:self.requestHandler];
+    [self.request startWithCacheIdentity:FBLoginViewCacheIdentity
+                   skipRoundtripIfCached:YES];
+    
+}
+
+- (void)informDelegate:(BOOL)userOnly {
+    if (userOnly) {
+        if ([self.delegate respondsToSelector:@selector(loginViewFetchedUserInfo:user:)]) {
+            [self.delegate loginViewFetchedUserInfo:self
+                                               user:self.user];
+        }
+    } else if (FBSession.activeSession.isOpen) {
+        if (![self.lastObservedStateWasOpen isEqualToNumber:@1]) {
+            self.lastObservedStateWasOpen = @1;
+            
+            if ([self.delegate respondsToSelector:@selector(loginViewShowingLoggedInUser:)]) {
+                [self.delegate loginViewShowingLoggedInUser:self];
+            }
+            // any time we inform/reinform of isOpen event, we want to be sure 
+            // to repass the user if we have it
+            if (self.user) {
+                [self informDelegate:YES];
+            }
+        }
+    } else {
+        if (![self.lastObservedStateWasOpen isEqualToNumber:@0]) {
+            self.lastObservedStateWasOpen = @0;
+            
+            if ([self.delegate respondsToSelector:@selector(loginViewShowingLoggedOutUser:)]) {
+                [self.delegate loginViewShowingLoggedOutUser:self];
+            }
+        }
+    }
+}
+
+- (void)informDelegateOfError:(NSError *)error {
+    if (error) {
+        if ([self.delegate respondsToSelector:@selector(loginView:handleError:)]) {
+            [self.delegate loginView:self
+                         handleError:error];
+        }
+    }
+}
+
+- (void)wireViewForSessionWithoutOpening:(FBSession *)session {
+    // if there is an outstanding request for the previous session, cancel
+    [self.request cancel];
+    self.request = nil;
+    
+    self.session = session;
+    
+    // register a KVO observer
+    [self.session addObserver:self
+                   forKeyPath:@"state"
+                      options:NSKeyValueObservingOptionNew
+                      context:nil];
+}
+
+- (void)wireViewForSession:(FBSession *)session {
+    [self wireViewForSessionWithoutOpening:session];
+    
+    // anytime we find that our session is created with an available token
+    // we open it on the spot
+    if (self.session.state == FBSessionStateCreatedTokenLoaded) {
+        [self.session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                     completionHandler:self.sessionStateHandler];
+    }
+}
+
+- (void)unwireViewForSession {
+    // this line of code is the main reason we need to hold on 
+    // to the session object at all
+    [self.session removeObserver:self
+                      forKeyPath:@"state"];
+    self.session = nil;
+}
+
+- (void)observeValueForKeyPath:(NSString *)keyPath
+                      ofObject:(id)object
+                        change:(NSDictionary *)change
+                       context:(void *)context {
+    if (self.session.isOpen) {
+        [self fetchMeInfo];
+        [self configureViewForStateLoggedIn:YES];
+    } else {
+        [self configureViewForStateLoggedIn:NO];        
+    }
+    [self informDelegate:NO];
+}
+
+- (void)handleActiveSessionSetNotifications:(NSNotification *)notification {
+    // NSNotificationCenter is a global channel, so we guard against
+    // unexpected uses of this notification the best we can
+    if ([notification.object isKindOfClass:[FBSession class]]) {
+        [self wireViewForSession:notification.object];
+    }
+}
+
+- (void)handleActiveSessionUnsetNotifications:(NSNotification *)notification {
+    [self unwireViewForSession];
+}
+
+- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
+{
+    if (buttonIndex == 0) { // logout
+        [FBSession.activeSession closeAndClearTokenInformation];
+    }
+}
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+- (void)buttonPressed:(id)sender {
+    if (self.session == FBSession.activeSession) {
+        BOOL loggingInLogFlag = NO;
+        if (!self.session.isOpen) { // login
+            
+            // the policy here is:
+            // 1) if you provide unspecified permissions, then we fall back on legacy fast-app-switch
+            // 2) if you provide only read permissions, then we call a read-based open method that will use integrated auth
+            // 3) if you provide any publish permissions, then we combine the read-set and publish-set and call the publish-based
+            //    method that will use integrated auth when availab le
+            // 4) if you provide any publish permissions, and don't specify a valid audience, the control will throw an exception
+            //    when the user presses login
+            if (self.permissions) {
+                [FBSession openActiveSessionWithPermissions:self.permissions
+                                               allowLoginUI:YES
+                                            defaultAudience:self.defaultAudience
+                                          completionHandler:self.sessionStateHandler];
+            } else if (![self.publishPermissions count]) {
+                [FBSession openActiveSessionWithReadPermissions:self.readPermissions
+                                                   allowLoginUI:YES
+                                              completionHandler:self.sessionStateHandler];
+            } else {
+                // combined read and publish permissions will usually fail, but if the app wants us to
+                // try it here, then we will pass the aggregate set to the server
+                NSArray *permissions = self.publishPermissions;
+                if ([self.readPermissions count]) {
+                    NSMutableSet *set = [NSMutableSet setWithArray:self.publishPermissions];
+                    [set addObjectsFromArray:self.readPermissions];
+                    permissions = [set allObjects];
+                }
+                [FBSession openActiveSessionWithPublishPermissions:permissions
+                                                   defaultAudience:self.defaultAudience
+                                                      allowLoginUI:YES
+                                                 completionHandler:self.sessionStateHandler];
+            }
+            loggingInLogFlag = YES;
+        } else { // logout action sheet
+            NSString *name = self.user.name;
+            NSString *title = nil;
+            if (name) {
+                title = [NSString stringWithFormat:[FBUtility localizedStringForKey:@"FBLV:LoggedInAs"
+                                                                        withDefault:@"Logged in as %@"], name];
+            } else {
+                title = [FBUtility localizedStringForKey:@"FBLV:LoggedInUsingFacebook"
+                                            withDefault:@"Logged in using Facebook"];
+            }
+            
+            NSString *cancelTitle = [FBUtility localizedStringForKey:@"FBLV:CancelAction"
+                                                         withDefault:@"Cancel"];
+            NSString *logOutTitle = [FBUtility localizedStringForKey:@"FBLV:LogOutAction"
+                                                         withDefault:@"Log out"];
+            UIActionSheet *sheet = [[[UIActionSheet alloc] initWithTitle:title
+                                                                delegate:self
+                                                       cancelButtonTitle:cancelTitle
+                                                  destructiveButtonTitle:logOutTitle
+                                                       otherButtonTitles:nil]
+                                    autorelease];
+            // Show the sheet
+            [sheet showInView:self];
+        }
+        [FBAppEvents logImplicitEvent:FBAppEventNameLoginViewUsage
+                           valueToSum:nil
+                           parameters:@{ @"logging_in" : [NSNumber numberWithBool:loggingInLogFlag] }
+                              session:nil];
+    } else { // state of view out of sync with active session
+        // so resync
+        [self unwireViewForSession];
+        [self wireViewForSession:FBSession.activeSession];
+        [self configureViewForStateLoggedIn:self.session.isOpen];
+        [self informDelegate:NO];
+    }
+}
+#pragma GCC diagnostic warning "-Wdeprecated-declarations"
+@end
+
+@implementation FBShadowLabel
+
+- (void) drawTextInRect:(CGRect)rect {
+    CGSize myShadowOffset = CGSizeMake(0, -1);
+    CGFloat myColorValues[] = {0, 0, 0, .3};
+    
+    CGContextRef myContext = UIGraphicsGetCurrentContext();
+    CGContextSaveGState(myContext);
+    
+    CGColorSpaceRef myColorSpace = CGColorSpaceCreateDeviceRGB();
+    CGColorRef myColor = CGColorCreate(myColorSpace, myColorValues);
+    CGContextSetShadowWithColor (myContext, myShadowOffset, 1, myColor);
+    
+    [super drawTextInRect:rect];
+    
+    CGColorRelease(myColor);
+    CGColorSpaceRelease(myColorSpace);
+    
+    CGContextRestoreGState(myContext);}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBNativeDialogs.h b/Vendor/facebook-ios-sdk/src/FBNativeDialogs.h
new file mode 100644
index 0000000..70ae973
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBNativeDialogs.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBAppCall.h"
+#import "FBShareDialogParams.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+
+@class FBSession;
+@protocol FBOpenGraphAction;
+
+// note that the following class and types are deprecated in favor of FBDialogs and its methods
+
+/*!
+ @typedef FBNativeDialogResult enum
+ 
+ @abstract
+ Please note that this enum and its related methods have been deprecated, please migrate your
+ code to use `FBOSIntegratedShareDialogResult` and its related methods.
+ */
+typedef enum {
+    /*! Indicates that the dialog action completed successfully. */
+    FBNativeDialogResultSucceeded,
+    /*! Indicates that the dialog action was cancelled (either by the user or the system). */
+    FBNativeDialogResultCancelled,
+    /*! Indicates that the dialog could not be shown (because not on ios6 or ios6 auth was not used). */
+    FBNativeDialogResultError
+} FBNativeDialogResult
+__attribute__((deprecated));
+
+/*!
+ @typedef
+ 
+ @abstract
+ Please note that `FBShareDialogHandler` and its related methods have been deprecated, please migrate your
+ code to use `FBOSIntegratedShareDialogHandler` and its related methods.
+ */
+typedef void (^FBShareDialogHandler)(FBNativeDialogResult result, NSError *error)
+__attribute__((deprecated));
+
+/*!
+ @class FBNativeDialogs
+ 
+ @abstract
+ Please note that `FBNativeDialogs` has been deprecated, please migrate your
+ code to use `FBDialogs`.
+ */
+@interface FBNativeDialogs : NSObject
+
+/*!
+ @abstract
+ Please note that this method has been deprecated, please migrate your
+ code to use `FBDialogs` and the related method `presentOSIntegratedShareDialogModallyFrom`.
+ */
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                          initialText:(NSString*)initialText
+                                image:(UIImage*)image
+                                  url:(NSURL*)url
+                              handler:(FBShareDialogHandler)handler
+__attribute__((deprecated));
+
+/*!
+ @abstract
+ Please note that this method has been deprecated, please migrate your
+ code to use `FBDialogs` and the related method `presentOSIntegratedShareDialogModallyFrom`.
+ */
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                          initialText:(NSString*)initialText
+                               images:(NSArray*)images
+                                 urls:(NSArray*)urls
+                              handler:(FBShareDialogHandler)handler
+__attribute__((deprecated));
+
+/*!
+ @abstract
+ Please note that this method has been deprecated, please migrate your
+ code to use `FBDialogs` and the related method `presentOSIntegratedShareDialogModallyFrom`.
+ */
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                              session:(FBSession*)session
+                          initialText:(NSString*)initialText
+                               images:(NSArray*)images
+                                 urls:(NSArray*)urls
+                              handler:(FBShareDialogHandler)handler
+__attribute__((deprecated));
+
+/*!
+ @abstract
+ Please note that this method has been deprecated, please migrate your
+ code to use `FBDialogs` and the related method `canPresentOSIntegratedShareDialogWithSession`.
+ */
++ (BOOL)canPresentShareDialogWithSession:(FBSession*)session __attribute__((deprecated));
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBNativeDialogs.m b/Vendor/facebook-ios-sdk/src/FBNativeDialogs.m
new file mode 100644
index 0000000..08ee4d7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBNativeDialogs.m
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Social/Social.h>
+
+#import "FBDialogs+Internal.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import "FBAppCall+Internal.h"
+#import "FBAppBridge.h"
+#import "FBAccessTokenData.h"
+#import "FBAppEvents+Internal.h"
+#import "FBDialogsParams+Internal.h"
+#import "FBLoginDialogParams.h"
+#import "FBShareDialogParams.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+#import "FBDialogsData+Internal.h"
+#import "FBAppLinkData+Internal.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBNativeDialogs.h"
+
+@implementation FBNativeDialogs
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
++ (FBOSIntegratedShareDialogHandler)handlerFromHandler:(FBShareDialogHandler)handler {
+    if (handler) {
+        FBOSIntegratedShareDialogHandler fancy = ^(FBOSIntegratedShareDialogResult result, NSError *error) {
+            handler(result, error);
+        };
+        return [[fancy copy] autorelease];
+    }
+    return nil;
+}
+#pragma GCC diagnostic pop
+
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                          initialText:(NSString*)initialText
+                                image:(UIImage*)image
+                                  url:(NSURL*)url
+                              handler:(FBShareDialogHandler)handler {
+    return [FBDialogs presentOSIntegratedShareDialogModallyFrom:viewController
+                                                    initialText:initialText
+                                                          image:image
+                                                            url:url
+                                                        handler:[FBNativeDialogs handlerFromHandler:handler]];
+}
+
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                          initialText:(NSString*)initialText
+                               images:(NSArray*)images
+                                 urls:(NSArray*)urls
+                              handler:(FBShareDialogHandler)handler {
+    return [FBDialogs presentOSIntegratedShareDialogModallyFrom:viewController
+                                                    initialText:initialText
+                                                         images:images
+                                                           urls:urls
+                                                        handler:[FBNativeDialogs handlerFromHandler:handler]];
+}
+
++ (BOOL)presentShareDialogModallyFrom:(UIViewController*)viewController
+                              session:(FBSession*)session
+                          initialText:(NSString*)initialText
+                               images:(NSArray*)images
+                                 urls:(NSArray*)urls
+                              handler:(FBShareDialogHandler)handler {
+    return [FBDialogs presentOSIntegratedShareDialogModallyFrom:viewController
+                                                        session:session
+                                                    initialText:initialText
+                                                         images:images
+                                                           urls:urls
+                                                        handler:[FBNativeDialogs handlerFromHandler:handler]];
+}
+
++ (BOOL)canPresentShareDialogWithSession:(FBSession*)session {
+    return [FBDialogs canPresentOSIntegratedShareDialogWithSession:session];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBOpenGraphAction.h b/Vendor/facebook-ios-sdk/src/FBOpenGraphAction.h
new file mode 100644
index 0000000..5a4ca19
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBOpenGraphAction.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/xlicenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphObject.h"
+
+@protocol FBGraphPlace;
+@protocol FBGraphUser;
+
+/*!
+ @protocol
+ 
+ @abstract
+ The `FBOpenGraphAction` protocol is the base protocol for use in posting and retrieving Open Graph actions. 
+ It inherits from the `FBGraphObject` protocol; you may derive custome protocols from `FBOpenGraphAction` in order
+ implement typed access to your application's custom actions.
+ 
+ @discussion
+ Represents an Open Graph custom action, to be used directly, or from which to
+ derive custom action protocols with custom properties.
+ */
+@protocol FBOpenGraphAction<FBGraphObject>
+
+/*!
+ @property
+ @abstract Typed access to action's id
+ */
+@property (retain, nonatomic) NSString              *id;
+
+/*!
+ @property
+ @abstract Typed access to action's start time
+ */
+@property (retain, nonatomic) NSString              *start_time;
+
+/*!
+ @property
+ @abstract Typed access to action's end time
+ */
+@property (retain, nonatomic) NSString              *end_time;
+
+/*!
+ @property
+ @abstract Typed access to action's publication time
+ */
+@property (retain, nonatomic) NSString              *publish_time;
+
+/*!
+ @property
+ @abstract Typed access to action's creation time
+ */
+@property (retain, nonatomic) NSString              *created_time;
+
+/*!
+ @property
+ @abstract Typed access to action's expiration time
+ */
+@property (retain, nonatomic) NSString              *expires_time;
+
+/*!
+ @property
+ @abstract Typed access to action's ref
+ */
+@property (retain, nonatomic) NSString              *ref;
+
+/*!
+ @property
+ @abstract Typed access to action's user message
+ */
+@property (retain, nonatomic) NSString              *message;
+
+/*!
+ @property
+ @abstract Typed access to action's place
+ */
+@property (retain, nonatomic) id<FBGraphPlace>      place;
+
+/*!
+ @property
+ @abstract Typed access to action's tags
+ */
+@property (retain, nonatomic) NSArray               *tags;
+
+/*!
+ @property
+ @abstract Typed access to action's image(s)
+ */
+@property (retain, nonatomic) id                    image;
+
+/*!
+ @property
+ @abstract Typed access to action's from-user
+ */
+@property (retain, nonatomic) id<FBGraphUser>       from;
+
+/*!
+ @property
+ @abstract Typed access to action's likes
+ */
+@property (retain, nonatomic) NSArray               *likes;
+
+/*!
+ @property
+ @abstract Typed access to action's application
+ */
+@property (retain, nonatomic) id<FBGraphObject>     application;
+
+/*!
+ @property
+ @abstract Typed access to action's comments
+ */
+@property (retain, nonatomic) NSArray               *comments;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.h b/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.h
new file mode 100644
index 0000000..c90d25a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBDialogsParams.h"
+#import "FBOpenGraphAction.h"
+
+extern NSString *const FBPostObject;
+
+/*!
+ @class FBOpenGraphActionShareDialogParams
+ 
+ @abstract
+ This object is used to encapsulate state for parameters to an Open Graph share 
+ dialog that opens in the Facebook app.
+ */
+@interface FBOpenGraphActionShareDialogParams : FBDialogsParams
+
+/*! @abstract The Open Graph action to be published. */
+@property (nonatomic, retain) id<FBOpenGraphAction> action;
+
+/*! @abstract The name of the property representing the primary target of the Open
+ Graph action, which will be displayed as a preview in the dialog. */
+@property (nonatomic, copy) NSString *previewPropertyName;
+
+/*! @abstract The fully qualified type of the Open Graph action. */
+@property (nonatomic, copy) NSString *actionType;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.m b/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.m
new file mode 100644
index 0000000..dcf997b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBOpenGraphActionShareDialogParams.m
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBOpenGraphActionShareDialogParams.h"
+#import "FBDialogsParams+Internal.h"
+#import "FBUtility.h"
+#import "FBAppBridge.h"
+#import "FBLogger.h"
+#import "FBError.h"
+
+#ifndef FB_BUILD_ONLY
+#define FB_BUILD_ONLY
+#endif
+
+#import "FBSettings.h"
+
+#ifdef FB_BUILD_ONLY
+#undef FB_BUILD_ONLY
+#endif
+
+NSString *const FBPostObjectOfType = @"fbsdk:create_object_of_type";
+NSString *const FBPostObject = @"fbsdk:create_object";
+
+NSString *const kFBAppBridgeMinVersion = @"20130214";
+NSString *const kFBAppBridgeImageSupportVersion = @"20130410";
+
+@implementation FBOpenGraphActionShareDialogParams
+
+- (void)dealloc
+{
+    [_previewPropertyName release];
+    [_actionType release];
+    [_action release];
+    
+    [super dealloc];
+}
+
++ (NSString *)getPostedObjectTypeFromObject:(id<FBGraphObject>)obj {
+    if ([(id)obj objectForKey:FBPostObject] &&
+        [(id)obj objectForKey:@"type"]) {
+        return [(id)obj objectForKey:@"type"];
+    }
+    return nil;
+}
++ (NSString *)getIdOrUrlFromObject:(id<FBGraphObject>)obj {
+    id result;
+    if ((result = [(id)obj objectForKey:@"id"]) ||
+        (result = [(id)obj objectForKey:@"url"])) {
+      return result;
+    }
+    return nil;
+}
+
+- (NSError *)validate {
+    NSString *errorReason = nil;
+
+    if (!self.action || !self.actionType || !self.previewPropertyName) {
+        errorReason = FBErrorDialogInvalidOpenGraphActionParameters;
+    } else {
+        for (NSString *key in (id)self.action) {
+            id obj = [(id)self.action objectForKey:key];
+            if ([obj conformsToProtocol:@protocol(FBGraphObject)]) {
+                if (![FBOpenGraphActionShareDialogParams getPostedObjectTypeFromObject:obj] &&
+                    ![FBOpenGraphActionShareDialogParams getIdOrUrlFromObject:obj]) {
+                    errorReason = FBErrorDialogInvalidOpenGraphObject;
+                }
+            }
+        }
+    }
+    if (errorReason) {
+        NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+        userInfo[FBErrorDialogReasonKey] = errorReason;
+        return [NSError errorWithDomain:FacebookSDKDomain
+                                   code:FBErrorDialog
+                               userInfo:userInfo];
+    }
+    return nil;
+}
+
+- (id)flattenObject:(id)obj {
+    if ([obj conformsToProtocol:@protocol(FBGraphObject)]) {
+        // #2267154: Temporarily work around change in native protocol. This will be removed
+        // before leaving beta. After that, just don't flatten objects that have FBPostObject.
+        NSString *postedObjectType;
+        NSString *idOrUrl;
+        if ((postedObjectType = [FBOpenGraphActionShareDialogParams getPostedObjectTypeFromObject:obj])) {
+            if (![FBAppBridge installedFBNativeAppVersionForMethod:@"ogshare"
+                                                        minVersion:@"20130410"]) {
+                // We only need to do this for pre-20130410 versions.
+                [obj setObject:postedObjectType forKey:FBPostObjectOfType];
+                [obj removeObjectForKey:FBPostObject];
+                [obj removeObjectForKey:@"type"];
+            }
+        } else if ((idOrUrl = [FBOpenGraphActionShareDialogParams getIdOrUrlFromObject:obj])) {
+              return idOrUrl;
+        }
+    } else if ([obj isKindOfClass:[NSArray class]]) {
+        NSMutableArray *flattenedArray = [[[NSMutableArray alloc] init] autorelease];
+        for (id val in obj) {
+            [flattenedArray addObject:[self flattenObject:val]];
+        }
+        return flattenedArray;
+    }
+    return obj;
+}
+
+- (id)flattenGraphObjects:(id)dict {
+    NSMutableDictionary *flattened = [[[NSMutableDictionary alloc] initWithDictionary:dict] autorelease];
+    for (NSString *key in dict) {
+        id value = [dict objectForKey:key];
+        // Since flattenGraphObjects is only called for the OG action AND image is a special
+        // object with attributes that should NOT be flattened (e.g., "user_generated"),
+        // we should skip flattening the image dictionary.
+        if ([key isEqualToString:@"image"]) {
+          [flattened setObject:value forKey:key];
+        } else {
+          [flattened setObject:[self flattenObject:value] forKey:key];
+        }
+    }
+    return flattened;
+}
+
+- (NSDictionary *)dictionaryMethodArgs
+{
+    NSMutableDictionary *args = [NSMutableDictionary dictionary];
+    if (self.action) {
+        [args setObject:[self flattenGraphObjects:self.action] forKey:@"action"];
+    }
+    if (self.actionType) {
+        [args setObject:self.actionType forKey:@"actionType"];
+    }
+    if (self.previewPropertyName) {
+        [args setObject:self.previewPropertyName forKey:@"previewPropertyName"];
+    }
+
+    return args;
+}
+
+- (NSString *)appBridgeVersion
+{
+    NSString *imgSupportVersion = [FBAppBridge installedFBNativeAppVersionForMethod:@"ogshare"
+                                                                         minVersion:kFBAppBridgeImageSupportVersion];
+    if (!imgSupportVersion) {
+        NSString *minVersion = [FBAppBridge installedFBNativeAppVersionForMethod:@"ogshare" minVersion:kFBAppBridgeMinVersion];
+        if ([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog] && minVersion) {
+            if ([self containsUIImages:self.action]) {
+                [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                                    logEntry:@"FBOpenGraphActionShareDialogParams: the current Facebook app does not support embedding UIImages."];
+                return nil;
+            }
+            return minVersion;
+        }
+        return nil;
+    }
+    return imgSupportVersion;
+}
+
+- (BOOL)containsUIImages:(id)param
+{
+    BOOL containsUIImages = NO;
+    NSArray *values = nil;
+    if ([param isKindOfClass:[NSDictionary class]]) {
+        values = ((NSDictionary *)param).allValues;
+    } else if ([param isKindOfClass:[NSArray class]]) {
+        values = param;
+    } else if ([param isKindOfClass:[UIImage class]]) {
+        return YES;
+    }
+    if (values) {
+        for (id value in values) {
+            containsUIImages = containsUIImages || [self containsUIImages:value];
+        }
+    }
+    return containsUIImages;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBOpenGraphObject.h b/Vendor/facebook-ios-sdk/src/FBOpenGraphObject.h
new file mode 100644
index 0000000..43b3af1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBOpenGraphObject.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/xlicenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBGraphObject.h"
+
+/*!
+ @protocol
+ 
+ @abstract
+ The `FBOpenGraphObject` protocol is the base protocol for use in posting and retrieving Open Graph objects.
+ It inherits from the `FBGraphObject` protocol; you may derive custome protocols from `FBOpenGraphObject` in order
+ implement typed access to your application's custom objects.
+ 
+ @discussion
+ Represents an Open Graph custom object, to be used directly, or from which to
+ derive custom action protocols with custom properties.
+ */
+@protocol FBOpenGraphObject<FBGraphObject>
+
+/*!
+ @property
+ @abstract Typed access to the object's id
+ */
+@property (retain, nonatomic) NSString              *id;
+
+/*!
+ @property
+ @abstract Typed access to the object's type, which is a string in the form mynamespace:mytype
+ */
+@property (retain, nonatomic) NSString              *type;
+
+/*!
+ @property
+ @abstract Typed access to object's title
+ */
+@property (retain, nonatomic) NSString              *title;
+
+/*!
+ @property
+ @abstract Typed access to the object's image property
+ */
+@property (retain, nonatomic) id                    image;
+
+/*!
+ @property
+ @abstract Typed access to the object's url property
+ */
+@property (retain, nonatomic) id                    url;
+
+/*!
+ @property
+ @abstract Typed access to the object's description property
+ */
+@property (retain, nonatomic) id                    description;
+
+/*!
+ @property
+ @abstract Typed access to action's data, which is a dictionary of custom properties
+ */
+@property (retain, nonatomic) id<FBGraphObject>     data;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.h b/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.h
new file mode 100644
index 0000000..e5f4a32
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBCacheDescriptor.h"
+
+@interface FBPlacePickerCacheDescriptor : FBCacheDescriptor
+
+- (id)initWithLocationCoordinate:(CLLocationCoordinate2D)locationCoordinate
+                  radiusInMeters:(NSInteger)radiusInMeters
+                      searchText:(NSString*)searchText
+                    resultsLimit:(NSInteger)resultsLimit
+                fieldsForRequest:(NSSet*)fieldsForRequest;
+ 
+@property (nonatomic, readonly) CLLocationCoordinate2D locationCoordinate; 
+@property (nonatomic, readonly) NSInteger radiusInMeters; 
+@property (nonatomic, readonly) NSInteger resultsLimit;
+@property (nonatomic, readonly, copy) NSString *searchText;
+@property (nonatomic, readonly, copy) NSSet *fieldsForRequest;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.m b/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.m
new file mode 100644
index 0000000..ac64eb4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBPlacePickerCacheDescriptor.m
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBPlacePickerCacheDescriptor.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBGraphObjectPagingLoader.h"
+#import "FBPlacePickerViewController.h"
+#import "FBPlacePickerViewController+Internal.h"
+
+@interface FBPlacePickerCacheDescriptor () <FBGraphObjectPagingLoaderDelegate>
+
+@property (nonatomic, readwrite) CLLocationCoordinate2D locationCoordinate; 
+@property (nonatomic, readwrite) NSInteger radiusInMeters; 
+@property (nonatomic, readwrite) NSInteger resultsLimit;
+@property (nonatomic, readwrite, copy) NSString *searchText;
+@property (nonatomic, readwrite, copy) NSSet *fieldsForRequest;
+@property (nonatomic, readwrite, retain) FBGraphObjectPagingLoader *loader;
+
+// this property is only used by unit tests, and should not be removed or made public
+@property (nonatomic, readwrite, assign) BOOL hasCompletedFetch;
+
+@end
+
+@implementation FBPlacePickerCacheDescriptor
+
+@synthesize locationCoordinate = _locationCoordinate,
+            radiusInMeters = _radiusInMeters,
+            resultsLimit = _resultsLimit,
+            searchText = _searchText,
+            fieldsForRequest = _fieldsForRequest,
+            loader = _loader,
+            hasCompletedFetch = _hasCompletedFetch;
+
+- (id)initWithLocationCoordinate:(CLLocationCoordinate2D)locationCoordinate
+                  radiusInMeters:(NSInteger)radiusInMeters
+                      searchText:(NSString*)searchText
+                    resultsLimit:(NSInteger)resultsLimit
+                fieldsForRequest:(NSSet*)fieldsForRequest {
+    self = [super init];
+    if (self) {
+        self.locationCoordinate = locationCoordinate;
+        self.radiusInMeters = radiusInMeters <= 0 ? defaultRadius : radiusInMeters;
+        self.searchText = searchText;
+        self.resultsLimit = resultsLimit <= 0 ? defaultResultsLimit : resultsLimit;
+        self.fieldsForRequest = fieldsForRequest;
+        self.hasCompletedFetch = NO;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    self.fieldsForRequest = nil;
+    self.searchText = nil;
+    self.loader = nil;
+    [super dealloc];
+}
+
+- (void)prefetchAndCacheForSession:(FBSession*)session {
+    // Place queries require a session, so do nothing if we don't have one.
+    if (session == nil) {
+        return;
+    }
+
+    // datasource has some field ownership, so we need one here
+    FBGraphObjectTableDataSource *datasource = [[[FBGraphObjectTableDataSource alloc] init] autorelease];
+    
+    // create the request object that we will start with
+    FBRequest *request = [FBPlacePickerViewController requestForPlacesSearchAtCoordinate:self.locationCoordinate
+                                                                          radiusInMeters:self.radiusInMeters
+                                                                            resultsLimit:self.resultsLimit
+                                                                              searchText:self.searchText
+                                                                                  fields:self.fieldsForRequest
+                                                                              datasource:datasource
+                                                                                 session:session];
+    
+    self.loader.delegate = nil;
+    self.loader = [[[FBGraphObjectPagingLoader alloc] initWithDataSource:datasource
+                                                              pagingMode:FBGraphObjectPagingModeAsNeeded]
+                   autorelease];
+    self.loader.session = session;
+    self.loader.delegate = self;
+    
+    // make sure we are around to handle the delegate call
+    [self retain];
+    
+    // seed the cache
+    [self.loader startLoadingWithRequest:request
+                           cacheIdentity:FBPlacePickerCacheIdentity
+                   skipRoundtripIfCached:NO];
+}
+
+- (void)pagingLoaderDidFinishLoading:(FBGraphObjectPagingLoader *)pagingLoader {
+    self.loader.delegate = nil;
+    self.loader = nil;
+    self.hasCompletedFetch = YES;
+    
+    // achieving detachment
+    [self release];    
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController+Internal.h b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController+Internal.h
new file mode 100644
index 0000000..f4898b1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController+Internal.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBPlacePickerViewController.h"
+#import "FBRequest.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBSession.h"
+
+// This is the cache identity used by both the view controller and cache descriptor objects
+extern NSString *const FBPlacePickerCacheIdentity;
+
+extern const NSInteger defaultResultsLimit;
+extern const NSInteger defaultRadius; 
+
+@interface FBPlacePickerViewController (Internal)
+
++ (FBRequest*)requestForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                  radiusInMeters:(NSInteger)radius
+                                    resultsLimit:(NSInteger)resultsLimit
+                                      searchText:(NSString*)searchText
+                                          fields:(NSSet*)fieldsForRequest
+                                      datasource:(FBGraphObjectTableDataSource*)datasource
+                                         session:(FBSession*)session; 
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.h b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.h
new file mode 100644
index 0000000..23c5676
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.h
@@ -0,0 +1,257 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBGraphPlace.h"
+#import "FBSession.h"
+#import "FBCacheDescriptor.h"
+#import "FBViewController.h"
+
+@protocol FBPlacePickerDelegate;
+
+/*!
+ @class FBPlacePickerViewController
+ 
+ @abstract
+ The `FBPlacePickerViewController` class creates a controller object that manages 
+ the user interface for displaying and selecting nearby places.
+ 
+ @discussion
+ When the `FBPlacePickerViewController` view loads it creates a `UITableView` object 
+ where the places near a given location will be displayed. You can access this view 
+ through the `tableView` property.
+ 
+ The place data can be pre-fetched and cached prior to using the view controller. The
+ cache is setup using an <FBCacheDescriptor> object that can trigger the
+ data fetch. Any place data requests will first check the cache and use that data.
+ If the place picker is being displayed cached data will initially be shown before
+ a fresh copy is retrieved.
+ 
+ The `delegate` property may be set to an object that conforms to the <FBPlacePickerDelegate>
+ protocol. The `delegate` object will receive updates related to place selection and
+ data changes. The delegate can also be used to filter the places to display in the
+ picker.
+ */
+@interface FBPlacePickerViewController : FBViewController
+
+/*!
+ @abstract
+ Returns an outlet for the spinner used in the view controller.
+ */
+@property (nonatomic, retain) IBOutlet UIActivityIndicatorView *spinner;
+
+/*!
+ @abstract
+ Returns an outlet for the table view managed by the view controller.
+ */
+@property (nonatomic, retain) IBOutlet UITableView *tableView;
+
+/*!
+ @abstract
+ Addtional fields to fetch when making the Graph API call to get place data.
+ */
+@property (nonatomic, copy) NSSet *fieldsForRequest;
+
+/*!
+ @abstract
+ A Boolean value that indicates whether place profile pictures are displayed.
+ */
+@property (nonatomic) BOOL itemPicturesEnabled;
+
+/*!
+ @abstract
+ The coordinates to use for place discovery.
+ */
+@property (nonatomic) CLLocationCoordinate2D locationCoordinate;
+
+/*!
+ @abstract
+ The radius to use for place discovery.
+ */
+@property (nonatomic) NSInteger radiusInMeters;
+
+/*!
+ @abstract
+ The maximum number of places to fetch.
+ */
+@property (nonatomic) NSInteger resultsLimit;
+
+/*!
+ @abstract
+ The search words used to narrow down the results returned.
+ */
+@property (nonatomic, copy) NSString *searchText;
+
+/*!
+ @abstract
+ The session that is used in the request for place data.
+ */
+@property (nonatomic, retain) FBSession *session;
+
+/*!
+ @abstract
+ The place that is currently selected in the view.  This is nil
+ if nothing is selected.
+  */
+@property (nonatomic, retain, readonly) id<FBGraphPlace> selection;
+
+/*!
+ @abstract
+ Clears the current selection, so the picker is ready for a fresh use.
+ */
+- (void)clearSelection;
+
+/*!
+ @abstract
+ Initializes a place picker view controller.
+ */
+- (id)init;
+
+/*!
+ @abstract
+ Initializes a place picker view controller.
+ 
+ @param aDecoder        An unarchiver object.
+ */
+- (id)initWithCoder:(NSCoder *)aDecoder;
+
+/*!
+ @abstract
+ Initializes a place picker view controller.
+ 
+ @param nibNameOrNil            The name of the nib file to associate with the view controller. The nib file name should not contain any leading path information. If you specify nil, the nibName property is set to nil.
+ @param nibBundleOrNil          The bundle in which to search for the nib file. This method looks for the nib file in the bundle's language-specific project directories first, followed by the Resources directory. If nil, this method looks for the nib file in the main bundle.
+ */
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil;
+
+/*!
+ @abstract
+ Configures the properties used in the caching data queries.
+ 
+ @discussion
+ Cache descriptors are used to fetch and cache the data used by the view controller.
+ If the view controller finds a cached copy of the data, it will
+ first display the cached content then fetch a fresh copy from the server.
+ 
+ @param cacheDescriptor     The <FBCacheDescriptor> containing the cache query properties.
+ */
+- (void)configureUsingCachedDescriptor:(FBCacheDescriptor*)cacheDescriptor;
+
+/*!
+ @abstract
+ Initiates a query to get place data the first time or in response to changes in
+ the search criteria, filter, or location information.
+ 
+ 
+ @discussion
+ A cached copy will be returned if available. The cached view is temporary until a fresh copy is
+ retrieved from the server. It is legal to call this more than once.
+ */
+- (void)loadData;
+
+/*!
+ @abstract
+ Updates the view locally without fetching data from the server or from cache.
+ 
+ @discussion
+ Use this if the filter properties change. This may affect the order or
+ display of information.
+ */
+- (void)updateView;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a cache descriptor with additional fields and a profile ID for use with the
+ `FBPlacePickerViewController` object.
+ 
+ @discussion
+ An `FBCacheDescriptor` object may be used to pre-fetch data before it is used by
+ the view controller. It may also be used to configure the `FBPlacePickerViewController` 
+ object.
+ 
+ @param locationCoordinate              The coordinates to use for place discovery.
+ @param radiusInMeters                  The radius to use for place discovery.
+ @param searchText                      The search words used to narrow down the results returned.
+ @param resultsLimit                    The maximum number of places to fetch.
+ @param fieldsForRequest                Addtional fields to fetch when making the Graph API call to get place data. 
+ */
++ (FBCacheDescriptor*)cacheDescriptorWithLocationCoordinate:(CLLocationCoordinate2D)locationCoordinate
+                                             radiusInMeters:(NSInteger)radiusInMeters
+                                                 searchText:(NSString*)searchText
+                                               resultsLimit:(NSInteger)resultsLimit
+                                           fieldsForRequest:(NSSet*)fieldsForRequest;
+
+@end
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBPlacePickerDelegate` protocol defines the methods used to receive event 
+ notifications and allow for deeper control of the <FBPlacePickerViewController>
+ view.
+ */
+@protocol FBPlacePickerDelegate <FBViewControllerDelegate>
+@optional
+
+/*!
+ @abstract
+ Tells the delegate that data has been loaded.
+
+ @discussion
+ The <FBPlacePickerViewController> object's `tableView` property is automatically 
+ reloaded when this happens. However, if another table view, for example the
+ `UISearchBar` is showing data, then it may also need to be reloaded.
+ 
+ @param placePicker   The place picker view controller whose data changed.
+ */
+- (void)placePickerViewControllerDataDidChange:(FBPlacePickerViewController *)placePicker;
+
+/*!
+ @abstract
+ Tells the delegate that the selection has changed.
+ 
+ @param placePicker   The place picker view controller whose selection changed.
+ */
+- (void)placePickerViewControllerSelectionDidChange:(FBPlacePickerViewController *)placePicker;
+
+/*!
+ @abstract
+ Asks the delegate whether to include a place in the list.
+  
+ @discussion
+ This can be used to implement a search bar that filters the places list.
+ 
+ @param placePicker         The place picker view controller that is requesting this information.
+ @param place               An <FBGraphPlace> object representing the place.
+ */
+- (BOOL)placePickerViewController:(FBPlacePickerViewController *)placePicker
+               shouldIncludePlace:(id <FBGraphPlace>)place;
+
+/*!
+ @abstract
+ Called if there is a communication error.
+
+ @param placePicker         The place picker view controller that encountered the error.
+ @param error               An error object containing details of the error.
+ */
+- (void)placePickerViewController:(FBPlacePickerViewController *)placePicker
+                      handleError:(NSError *)error;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.m b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.m
new file mode 100644
index 0000000..22af81c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBPlacePickerViewController.m
@@ -0,0 +1,556 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#import "FBError.h"
+#import "FBGraphObjectPagingLoader.h"
+#import "FBGraphObjectTableDataSource.h"
+#import "FBGraphObjectTableSelection.h"
+#import "FBAppEvents+Internal.h"
+#import "FBLogger.h"
+#import "FBPlacePickerViewController.h"
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBUtility.h"
+#import "FBPlacePickerCacheDescriptor.h"
+#import "FBSession+Internal.h"
+#import "FBSettings.h"
+#import "FBPlacePickerViewGenericPlacePNG.h"
+
+NSString *const FBPlacePickerCacheIdentity = @"FBPlacePicker";
+
+static const NSInteger searchTextChangedTimerInterval = 2;
+const NSInteger defaultResultsLimit = 100;
+const NSInteger defaultRadius = 1000; // 1km
+
+@interface FBPlacePickerViewController () <FBGraphObjectSelectionChangedDelegate,
+                                            FBGraphObjectViewControllerDelegate,
+                                            FBGraphObjectPagingLoaderDelegate>
+
+@property (nonatomic, retain) FBGraphObjectTableDataSource *dataSource;
+@property (nonatomic, retain) FBGraphObjectTableSelection *selectionManager;
+@property (nonatomic, retain) FBGraphObjectPagingLoader *loader;
+@property (nonatomic, retain) NSTimer *searchTextChangedTimer;
+@property (nonatomic) BOOL trackActiveSession;
+
+- (void)initialize;
+- (void)loadDataPostThrottleSkippingRoundTripIfCached:(NSNumber*)skipRoundTripIfCached;
+- (NSTimer *)createSearchTextChangedTimer;
+- (void)updateView;
+- (void)centerAndStartSpinner;
+- (void)addSessionObserver:(FBSession*)session;
+- (void)removeSessionObserver:(FBSession*)session;
+- (void)clearData;
+
+@end
+
+@implementation FBPlacePickerViewController {
+    BOOL _hasSearchTextChangedSinceLastQuery;
+
+}
+
+@synthesize dataSource = _dataSource;
+@synthesize delegate = _delegate;
+@synthesize fieldsForRequest = _fieldsForRequest;
+@synthesize loader = _loader;
+@synthesize locationCoordinate = _locationCoordinate;
+@synthesize radiusInMeters = _radiusInMeters;
+@synthesize resultsLimit = _resultsLimit;
+@synthesize searchText = _searchText;
+@synthesize searchTextChangedTimer = _searchTextChangedTimer;
+@synthesize selectionManager = _selectionManager;
+@synthesize spinner = _spinner;
+@synthesize tableView = _tableView;
+@synthesize session = _session;
+@synthesize trackActiveSession = _trackActiveSession;
+
+- (id)init
+{
+    self = [super init];
+
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder
+{
+    self = [super initWithCoder:aDecoder];
+    
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
+{
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+
+
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (void)initialize
+{
+    // Data Source
+    FBGraphObjectTableDataSource *dataSource = [[[FBGraphObjectTableDataSource alloc]
+                                                 init]
+                                                autorelease];
+    dataSource.defaultPicture = [FBPlacePickerViewGenericPlacePNG image];
+    dataSource.controllerDelegate = self;
+    dataSource.itemSubtitleEnabled = YES;
+
+    // Selection Manager
+    FBGraphObjectTableSelection *selectionManager = [[[FBGraphObjectTableSelection alloc]
+                                                      initWithDataSource:dataSource]
+                                                     autorelease];
+    selectionManager.delegate = self;
+
+    // Paging loader
+    id loader = [[[FBGraphObjectPagingLoader alloc] initWithDataSource:dataSource
+                                                            pagingMode:FBGraphObjectPagingModeAsNeeded]
+                 autorelease];
+    self.loader = loader;
+    self.loader.delegate = self;
+
+    // Self
+    self.dataSource = dataSource;
+    self.delegate = nil;
+    self.selectionManager = selectionManager;
+    self.selectionManager.allowsMultipleSelection = NO;
+    self.resultsLimit = defaultResultsLimit;
+    self.radiusInMeters = defaultRadius;
+    self.itemPicturesEnabled = YES;
+    self.trackActiveSession = YES;
+}
+
+- (void)dealloc
+{
+    [_loader cancel];
+    _loader.delegate = nil;
+    [_loader release];
+    
+    _dataSource.controllerDelegate = nil;
+
+    [_dataSource release];
+    [_fieldsForRequest release];
+    [_searchText release];
+    [_searchTextChangedTimer release];
+    [_selectionManager release];
+    [_spinner release];
+    [_tableView release];
+    
+    [self removeSessionObserver:_session];
+    [_session release];
+    
+    [super dealloc];
+}
+
+#pragma mark - Custom Properties
+
+- (BOOL)itemPicturesEnabled
+{
+    return self.dataSource.itemPicturesEnabled;
+}
+
+- (void)setItemPicturesEnabled:(BOOL)itemPicturesEnabled
+{
+    self.dataSource.itemPicturesEnabled = itemPicturesEnabled;
+}
+
+- (id<FBGraphPlace>)selection
+{
+    NSArray *selection = self.selectionManager.selection;
+    if ([selection count]) {
+        return [selection objectAtIndex:0];
+    } else {
+        return nil;
+    }
+}
+
+- (void)setSession:(FBSession *)session {
+    if (session != _session) {
+        [self removeSessionObserver:_session];
+        
+        [_session release];
+        _session = [session retain];
+
+        [self addSessionObserver:session];
+
+        self.loader.session = session;
+        
+        self.trackActiveSession = (session == nil);
+    }
+}
+
+#pragma mark - Public Methods
+
+- (void)loadData
+{
+    // when the app calls loadData,
+    // if we don't have a session and there is 
+    // an open active session, use that
+    if (!self.session || 
+        (self.trackActiveSession && ![self.session isEqual:[FBSession activeSessionIfOpen]])) {
+        self.session = [FBSession activeSessionIfOpen];
+        self.trackActiveSession = YES;
+    }
+    
+    // Sending a request on every keystroke is wasteful of bandwidth. Send a
+    // request the first time the user types something, then set up a 2-second timer
+    // and send whatever changes the user has made since then. (If nothing has changed
+    // in 2 seconds, we reset so the next change will cause an immediate re-query.)
+    if (!self.searchTextChangedTimer) {
+        self.searchTextChangedTimer = [self createSearchTextChangedTimer];
+        [self loadDataPostThrottleSkippingRoundTripIfCached:[NSNumber numberWithBool:YES]];
+    } else {
+        _hasSearchTextChangedSinceLastQuery = YES;
+    }
+}
+
+- (void)configureUsingCachedDescriptor:(FBCacheDescriptor*)cacheDescriptor {
+    if (![cacheDescriptor isKindOfClass:[FBPlacePickerCacheDescriptor class]]) {
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBPlacePickerViewController: An attempt was made to configure "
+                                        @"an instance with a cache descriptor object that was not created "
+                                        @"by the FBPlacePickerViewController class"
+                               userInfo:nil]
+         raise];
+    }
+    FBPlacePickerCacheDescriptor *cd = (FBPlacePickerCacheDescriptor*)cacheDescriptor;
+    self.locationCoordinate = cd.locationCoordinate;
+    self.radiusInMeters = cd.radiusInMeters;
+    self.resultsLimit = cd.resultsLimit;
+    self.searchText = cd.searchText;
+    self.fieldsForRequest = cd.fieldsForRequest;
+}
+
+- (void)clearSelection {
+    [self.selectionManager clearSelectionInTableView:self.tableView];
+}
+
+#pragma mark - Public Class Methods
+
++ (FBCacheDescriptor*)cacheDescriptorWithLocationCoordinate:(CLLocationCoordinate2D)locationCoordinate
+                                             radiusInMeters:(NSInteger)radiusInMeters
+                                                 searchText:(NSString*)searchText
+                                               resultsLimit:(NSInteger)resultsLimit
+                                           fieldsForRequest:(NSSet*)fieldsForRequest {
+
+    return [[[FBPlacePickerCacheDescriptor alloc] initWithLocationCoordinate:locationCoordinate
+                                                              radiusInMeters:radiusInMeters
+                                                                  searchText:searchText
+                                                                resultsLimit:resultsLimit
+                                                            fieldsForRequest:fieldsForRequest]
+            autorelease];
+}
+
+#pragma mark - private methods
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    [FBLogger registerCurrentTime:FBLoggingBehaviorPerformanceCharacteristics
+                          withTag:self];
+    CGRect bounds = self.canvasView.bounds;
+
+    if (!self.tableView) {
+        UITableView *tableView = [[[UITableView alloc] initWithFrame:bounds] autorelease];
+        tableView.autoresizingMask =
+            UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        
+        self.tableView = tableView;
+        [self.canvasView addSubview:tableView];
+    }
+
+    if (!self.spinner) {
+        UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc]
+                                             initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray]
+                                            autorelease];
+        spinner.hidesWhenStopped = YES;
+        // We want user to be able to scroll while we load.
+        spinner.userInteractionEnabled = NO;
+
+        self.spinner = spinner;
+        [self.canvasView addSubview:spinner];
+    }
+
+    self.tableView.delegate = self.selectionManager;
+    [self.dataSource bindTableView:self.tableView];
+    self.loader.tableView = self.tableView;
+}
+
+- (void)viewDidUnload
+{
+    [super viewDidUnload];
+
+    self.loader.tableView = nil;
+    self.spinner = nil;
+    self.tableView = nil;
+}
+
++ (FBRequest*)requestForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                  radiusInMeters:(NSInteger)radius
+                                    resultsLimit:(NSInteger)resultsLimit
+                                      searchText:(NSString*)searchText
+                                          fields:(NSSet*)fieldsForRequest
+                                      datasource:(FBGraphObjectTableDataSource*)datasource
+                                         session:(FBSession*)session {
+    
+    FBRequest *request = [FBRequest requestForPlacesSearchAtCoordinate:coordinate 
+                                                        radiusInMeters:radius
+                                                          resultsLimit:resultsLimit
+                                                            searchText:searchText];
+    [request setSession:session];
+
+    // Use field expansion to fetch a 100px wide picture if we're on a retina device.
+    NSString *pictureField = ([FBUtility isRetinaDisplay]) ? @"picture.width(100).height(100)" : @"picture";
+    
+    NSString *fields = [datasource fieldsForRequestIncluding:fieldsForRequest,
+                        @"id",
+                        @"name",
+                        @"location",
+                        @"category",
+                        pictureField,
+                        @"were_here_count",
+                        nil];
+    
+    [request.parameters setObject:fields forKey:@"fields"];
+    
+    return request;
+}
+
+- (void)loadDataPostThrottleSkippingRoundTripIfCached:(NSNumber*)skipRoundTripIfCached {
+    // Place queries require a session, so do nothing if we don't have one.
+    if (self.session) {
+        FBRequest *request = [FBPlacePickerViewController requestForPlacesSearchAtCoordinate:self.locationCoordinate
+                                                                              radiusInMeters:self.radiusInMeters
+                                                                                resultsLimit:self.resultsLimit
+                                                                                  searchText:self.searchText
+                                                                                      fields:self.fieldsForRequest
+                                                                                  datasource:self.dataSource
+                                                                                     session:self.session];
+        _hasSearchTextChangedSinceLastQuery = NO;
+        [self.loader startLoadingWithRequest:request
+                               cacheIdentity:FBPlacePickerCacheIdentity
+                       skipRoundtripIfCached:skipRoundTripIfCached.boolValue];
+    }
+}
+
+- (void)updateView
+{
+    [self.dataSource update];
+    [self.tableView reloadData];
+}
+
+- (NSTimer *)createSearchTextChangedTimer {
+    NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:searchTextChangedTimerInterval
+                                                      target:self 
+                                                    selector:@selector(searchTextChangedTimerFired:) 
+                                                    userInfo:nil 
+                                                     repeats:YES];
+    return timer;
+}
+
+- (void)searchTextChangedTimerFired:(NSTimer *)timer
+{
+    if (_hasSearchTextChangedSinceLastQuery) {
+        [self loadDataPostThrottleSkippingRoundTripIfCached:[NSNumber numberWithBool:YES]];
+    } else {
+        // Nothing has changed in 2 seconds. Invalidate and forget about this timer.
+        // Next time the user types, we will fire a query immediately again.
+        [self.searchTextChangedTimer invalidate];
+        self.searchTextChangedTimer = nil;
+    }
+}
+
+- (void)centerAndStartSpinner
+{
+    [FBUtility centerView:self.spinner tableView:self.tableView];
+    [self.spinner startAnimating];    
+}
+
+- (void)addSessionObserver:(FBSession *)session {
+    [session addObserver:self
+              forKeyPath:@"state"
+                 options:NSKeyValueObservingOptionNew
+                 context:nil];
+}
+
+- (void)removeSessionObserver:(FBSession *)session {    
+    [session removeObserver:self
+                 forKeyPath:@"state"];
+}
+
+- (void)observeValueForKeyPath:(NSString *)keyPath 
+                      ofObject:(id)object 
+                        change:(NSDictionary *)change 
+                       context:(void *)context {
+    if ([object isEqual:self.session] &&
+        self.session.isOpen == NO) {
+        [self clearData];
+    }
+}
+
+- (void)clearData {
+    [self.dataSource clearGraphObjects];
+    [self.selectionManager clearSelectionInTableView:self.tableView];
+    [self.tableView reloadData];
+    [self.loader reset];
+}
+
+- (void)logAppEvents:(BOOL)cancelled {
+    [FBAppEvents logImplicitEvent:FBAppEventNamePlacePickerUsage
+                      valueToSum:nil
+                      parameters:@{ FBAppEventParameterDialogOutcome : (cancelled
+                                            ? FBAppEventsDialogOutcomeValue_Cancelled
+                                            : FBAppEventsDialogOutcomeValue_Completed),
+                                    @"num_places_picked" : [NSNumber numberWithUnsignedInteger:self.selection.count]
+                                  }
+                         session:self.session];
+}
+
+#pragma mark - FBGraphObjectSelectionChangedDelegate
+
+- (void)graphObjectTableSelectionDidChange:
+(FBGraphObjectTableSelection *)selection
+{
+    if ([self.delegate respondsToSelector:
+         @selector(placePickerViewControllerSelectionDidChange:)]) {
+        [(id)self.delegate placePickerViewControllerSelectionDidChange:self];
+    }
+}
+
+#pragma mark - FBGraphObjectViewControllerDelegate
+
+- (BOOL)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                filterIncludesItem:(id<FBGraphObject>)item
+{
+    id<FBGraphPlace> place = (id<FBGraphPlace>)item;
+
+    if ([self.delegate
+         respondsToSelector:@selector(placePickerViewController:shouldIncludePlace:)]) {
+        return [(id)self.delegate placePickerViewController:self
+                                      shouldIncludePlace:place];
+    } else {
+        return YES;
+    }
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                             titleOfItem:(id<FBGraphObject>)graphObject
+{
+    return [graphObject objectForKey:@"name"];
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                          subtitleOfItem:(id<FBGraphObject>)graphObject
+{
+    NSString *category = [graphObject objectForKey:@"category"];
+    NSNumber *wereHereCount = [graphObject objectForKey:@"were_here_count"];
+    
+    NSMutableArray* parts = [NSMutableArray array];
+    
+    if (category) {
+        [parts addObject:[category capitalizedString]];
+    }
+    if (wereHereCount) {
+        NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init];
+        [numberFormatter setNumberStyle:NSNumberFormatterDecimalStyle];
+        NSString *wereHere = [numberFormatter stringFromNumber:wereHereCount];
+        [numberFormatter release];
+
+        [parts addObject:[NSString stringWithFormat:[FBUtility localizedStringForKey:@"FBPPVC:NumWereHere"
+                                                                         withDefault:@"%@ were here"], wereHere]];
+    }
+    return [parts componentsJoinedByString:@" • "];
+}
+
+- (NSString *)graphObjectTableDataSource:(FBGraphObjectTableDataSource *)dataSource
+                       pictureUrlOfItem:(id<FBGraphObject>)graphObject
+{
+    id picture = [graphObject objectForKey:@"picture"];
+    // Depending on what migration the app is in, we may get back either a string, or a
+    // dictionary with a "data" property that is a dictionary containing a "url" property.
+    if ([picture isKindOfClass:[NSString class]]) {
+        return picture;
+    }
+    id data = [picture objectForKey:@"data"];
+    return [data objectForKey:@"url"];
+}
+
+#pragma mark FBGraphObjectPagingLoaderDelegate members
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader willLoadURL:(NSString*)url {
+    // We only want to display our spinner on loading the first page. After that,
+    // a spinner will display in the last cell to indicate to the user that data is loading.
+    if ([self.dataSource numberOfSectionsInTableView:self.tableView] == 0) {
+        [self centerAndStartSpinner];
+    }
+}
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader didLoadData:(NSDictionary*)results {
+    [self.spinner stopAnimating];
+
+    // This logging currently goes here because we're effectively complete with our initial view when 
+    // the first page of results come back.  In the future, when we do caching, we will need to move
+    // this to a more appropriate place (e.g., after the cache has been brought in).
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorPerformanceCharacteristics
+                    timestampTag:self
+                    formatString:@"Places Picker: first render "];  // logger will append "%d msec"
+    
+    if ([self.delegate respondsToSelector:@selector(placePickerViewControllerDataDidChange:)]) {
+        [(id)self.delegate placePickerViewControllerDataDidChange:self];
+    }
+}
+
+- (void)pagingLoaderDidFinishLoading:(FBGraphObjectPagingLoader *)pagingLoader {
+    // No more results, stop spinner
+    [self.spinner stopAnimating];
+    
+    // Call the delegate from here as well, since this might be the first response of a query
+    // that has no results.
+    if ([self.delegate respondsToSelector:@selector(placePickerViewControllerDataDidChange:)]) {
+        [(id)self.delegate placePickerViewControllerDataDidChange:self];
+    }
+
+    // if our current display is from cache, then kick-off a near-term refresh
+    if (pagingLoader.isResultFromCache) {
+        [self loadDataPostThrottleSkippingRoundTripIfCached:[NSNumber numberWithBool:NO]];
+    }    
+}
+
+- (void)pagingLoader:(FBGraphObjectPagingLoader*)pagingLoader handleError:(NSError*)error {
+    if ([self.delegate respondsToSelector:@selector(placePickerViewController:handleError:)]) {
+        [(id)self.delegate placePickerViewController:self handleError:error];
+    }
+    
+}
+
+- (void)pagingLoaderWasCancelled:(FBGraphObjectPagingLoader*)pagingLoader {
+    [self.spinner stopAnimating];
+}
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBProfilePictureView.h b/Vendor/facebook-ios-sdk/src/FBProfilePictureView.h
new file mode 100644
index 0000000..d876c42
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBProfilePictureView.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+/*! 
+ @typedef FBProfilePictureCropping enum
+ 
+ @abstract 
+ Type used to specify the cropping treatment of the profile picture.
+ 
+ @discussion
+ */
+typedef enum {
+    
+    /*! Square (default) - the square version that the Facebook user defined. */
+    FBProfilePictureCroppingSquare      = 0,
+    
+    /*! Original - the original profile picture, as uploaded. */
+    FBProfilePictureCroppingOriginal    = 1
+    
+} FBProfilePictureCropping;
+
+/*!
+ @class
+ @abstract
+ An instance of `FBProfilePictureView` is used to display a profile picture.  
+ 
+ The default behavior of this control is to center the profile picture
+ in the view and shrinks it, if necessary, to the view's bounds, preserving the aspect ratio. The smallest
+ possible image is downloaded to ensure that scaling up never happens.  Resizing the view may result in 
+ a different size of the image being loaded.  Canonical image sizes are documented in the "Pictures" section
+ of https://developers.facebook.com/docs/reference/api. 
+ */
+@interface FBProfilePictureView : UIView
+
+/*!
+ @abstract
+ The Facebook ID of the user, place or object for which a picture should be fetched and displayed.
+ */
+@property (copy, nonatomic) NSString* profileID;
+
+/*!
+ @abstract
+ The cropping to use for the profile picture.
+ */
+@property (nonatomic) FBProfilePictureCropping pictureCropping;
+
+/*!
+ @abstract
+ Initializes and returns a profile view object.
+ */
+- (id)init;
+
+
+/*!
+ @abstract
+ Initializes and returns a profile view object for the given Facebook ID and cropping.
+ 
+ @param profileID       The Facebook ID of the user, place or object for which a picture should be fetched and displayed.
+ @param pictureCropping The cropping to use for the profile picture.
+ */
+- (id)initWithProfileID:(NSString*)profileID 
+     pictureCropping:(FBProfilePictureCropping)pictureCropping;
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBProfilePictureView.m b/Vendor/facebook-ios-sdk/src/FBProfilePictureView.m
new file mode 100644
index 0000000..1d2ccb6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBProfilePictureView.m
@@ -0,0 +1,239 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBProfilePictureView.h"
+#import "FBURLConnection.h"
+#import "FBRequest.h"
+#import "FBUtility.h"
+#import "FBSDKVersion.h"
+#import "FBProfilePictureViewBlankProfilePortraitPNG.h"
+#import "FBProfilePictureViewBlankProfileSquarePNG.h"
+
+@interface FBProfilePictureView()
+
+@property (readonly, nonatomic) NSString *imageQueryParamString;
+@property (retain, nonatomic) NSString *previousImageQueryParamString;
+
+@property (retain, nonatomic) FBURLConnection *connection;
+@property (retain, nonatomic) UIImageView *imageView;
+
+- (void)initialize;
+- (void)refreshImage:(BOOL)forceRefresh;
+- (void)ensureImageViewContentMode;
+
+@end
+
+@implementation FBProfilePictureView
+
+@synthesize profileID = _profileID;
+@synthesize pictureCropping = _pictureCropping;
+@synthesize connection = _connection;
+@synthesize imageView = _imageView;
+@synthesize previousImageQueryParamString = _previousImageQueryParamString;
+
+#pragma mark - Lifecycle
+
+- (void)dealloc {
+    [_profileID release];
+    [_imageView release];
+    [_connection release];
+    [_previousImageQueryParamString release];
+    
+    [super dealloc];
+}
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithProfileID:(NSString *)profileID 
+        pictureCropping:(FBProfilePictureCropping)pictureCropping {
+    self = [self init];
+    if (self) {
+        self.pictureCropping = pictureCropping;
+        self.profileID = profileID;
+    }
+    
+    return self;
+}
+
+- (id)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self initialize];
+    }
+    
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    self = [super initWithCoder:aDecoder];
+    if (self) {
+        [self initialize];
+    }
+    return self;
+}
+
+#pragma mark -
+
+- (NSString *)imageQueryParamString  {
+    
+    static CGFloat screenScaleFactor = 0.0;
+    if (screenScaleFactor == 0.0) {
+        screenScaleFactor = [[UIScreen mainScreen] scale];
+    }
+    
+    // Retina display doesn't increase the bounds that iOS returns.  The larger size to fetch needs
+    // to be calculated using the scale factor accessed above.
+    int width = (int)(self.bounds.size.width * screenScaleFactor);
+
+    if (self.pictureCropping == FBProfilePictureCroppingSquare) {
+        return [NSString stringWithFormat:@"width=%d&height=%d&migration_bundle=%@", 
+                width, 
+                width, 
+                FB_IOS_SDK_MIGRATION_BUNDLE];
+    } 
+    
+    // For non-square images, we choose between three variants knowing that the small profile picture is 
+    // 50 pixels wide, normal is 100, and large is about 200.
+    if (width <= 50) {
+        return @"type=small";
+    } else if (width <= 100) {
+        return @"type=normal";
+    } else {
+        return @"type=large";
+    }
+}
+
+- (void)initialize {    
+    // the base class can cause virtual recursion, so
+    // to handle this we make initialize idempotent
+    if (self.imageView) {
+        return;
+    }
+    
+    UIImageView* imageView = [[[UIImageView alloc] initWithFrame:self.bounds] autorelease];
+    imageView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    self.imageView = imageView;
+
+    self.autoresizesSubviews = YES;
+    self.clipsToBounds = YES;
+        
+    [self addSubview:self.imageView];
+}
+
+- (void)refreshImage:(BOOL)forceRefresh  {
+    NSString *newImageQueryParamString = self.imageQueryParamString;
+    
+    // If not forcing refresh, check to see if the previous size we used would be the same
+    // as what we'd request now, as this method could be called often on control bounds animation,
+    // and we only want to fetch when needed.
+    if (!forceRefresh && [self.previousImageQueryParamString isEqualToString:newImageQueryParamString]) {
+        
+        // But we still may need to adjust the contentMode.
+        [self ensureImageViewContentMode];
+        return;
+    }      
+    
+    if (self.profileID) {
+        
+        [self.connection cancel];
+
+        FBURLConnectionHandler handler = 
+            ^(FBURLConnection *connection, NSError *error, NSURLResponse *response, NSData *data) {
+                FBConditionalLog(self.connection == connection, @"Inconsistent connection state");
+
+                self.connection = nil;
+                if (!error) {
+                    self.imageView.image = [UIImage imageWithData:data];
+                    [self ensureImageViewContentMode];
+                }
+            };
+                
+        NSString *template = @"%@/%@/picture?%@";     
+        NSString *urlString = [NSString stringWithFormat:template,
+                               [FBUtility buildFacebookUrlWithPre:@"https://graph."],
+                               self.profileID,
+                               newImageQueryParamString];
+        NSURL *url = [NSURL URLWithString:urlString];
+        
+        self.connection = [[[FBURLConnection alloc] initWithURL:url
+                                              completionHandler:handler]
+                           autorelease];
+    } else {
+        BOOL isSquare = (self.pictureCropping == FBProfilePictureCroppingSquare);
+
+        self.imageView.image = isSquare ?
+            [FBProfilePictureViewBlankProfileSquarePNG image] :
+            [FBProfilePictureViewBlankProfilePortraitPNG image];
+        [self ensureImageViewContentMode];
+    }
+    
+    self.previousImageQueryParamString = newImageQueryParamString;
+}
+
+- (void)ensureImageViewContentMode {
+    // Set the image's contentMode such that if the image is larger than the control, we scale it down, preserving aspect 
+    // ratio.  Otherwise, we center it.  This ensures that we never scale up, and pixellate, the image.
+    CGSize viewSize = self.bounds.size;
+    CGSize imageSize = self.imageView.image.size;
+    UIViewContentMode contentMode;
+
+    // If both of the view dimensions are larger than the image, we'll center the image to prevent scaling up.
+    // Note that unlike in choosing the image size, we *don't* use any Retina-display scaling factor to choose centering
+    // vs. filling.  If we were to do so, we'd get profile pics shrinking to fill the the view on non-Retina, but getting
+    // centered and clipped on Retina.  
+    if (viewSize.width > imageSize.width && viewSize.height > imageSize.height) {
+        contentMode = UIViewContentModeCenter;
+    } else {
+        contentMode = UIViewContentModeScaleAspectFit;
+    }
+    
+    self.imageView.contentMode = contentMode;
+}
+
+- (void)setProfileID:(NSString*)profileID {
+    if (!_profileID || ![_profileID isEqualToString:profileID]) {
+        [_profileID release];
+        _profileID = [profileID copy];
+        [self refreshImage:YES];
+    }
+}
+
+- (void)setPictureCropping:(FBProfilePictureCropping)pictureCropping  {
+    if (_pictureCropping != pictureCropping) {
+        _pictureCropping = pictureCropping;
+        [self refreshImage:YES];
+    }
+}
+
+// Lets us catch resizes of the control, or any outer layout, allowing us to potentially
+// choose a different image.
+- (void)layoutSubviews {
+    [self refreshImage:NO];
+    [super layoutSubviews];   
+}
+
+- (CGSize)intrinsicContentSize {
+    return self.bounds.size;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequest+Internal.h b/Vendor/facebook-ios-sdk/src/FBRequest+Internal.h
new file mode 100644
index 0000000..6ceab67
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequest+Internal.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequest.h"
+
+@interface FBRequest(Internal)
+
+/*!
+ @abstract
+ Gets or sets the flag indicating if this request can close the session in case
+ of errors (like invalid sessions). For example, implicit requests like app events
+ logging should not close the session. Defaults to YES.
+ 
+ @discussion
+ For simplicity, setting this flag to NO also bypasses any errorBehavior retry logic.
+ */
+@property (assign, nonatomic) BOOL canCloseSessionOnError;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequest.h b/Vendor/facebook-ios-sdk/src/FBRequest.h
new file mode 100644
index 0000000..b887907
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequest.h
@@ -0,0 +1,668 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBRequestConnection.h"
+#import "FBGraphObject.h"
+#import "FBOpenGraphObject.h"
+#import "FBOpenGraphAction.h"
+
+/*! The base URL used for graph requests */
+extern NSString* const FBGraphBasePath __attribute__((deprecated));
+
+// up-front decl's
+@protocol FBRequestDelegate;
+@class FBSession;
+@class UIImage;
+
+/*!
+ @typedef FBRequestState
+
+ @abstract
+ Deprecated - do not use in new code.
+
+ @discussion
+ FBRequestState is retained from earlier versions of the SDK to give existing
+ apps time to remove dependency on this.
+
+ @deprecated
+*/
+typedef NSUInteger FBRequestState __attribute__((deprecated));
+
+/*!
+ @class FBRequest
+
+ @abstract
+ The `FBRequest` object is used to setup and manage requests to Facebook Graph
+ and REST APIs. This class provides helper methods that simplify the connection
+ and response handling.
+
+ @discussion
+ An <FBSession> object is required for all authenticated uses of `FBRequest`.
+ Requests that do not require an unauthenticated user are also supported and
+ do not require an <FBSession> object to be passed in.
+
+ An instance of `FBRequest` represents the arguments and setup for a connection
+ to Facebook. After creating an `FBRequest` object it can be used to setup a
+ connection to Facebook through the <FBRequestConnection> object. The
+ <FBRequestConnection> object is created to manage a single connection. To
+ cancel a connection use the instance method in the <FBRequestConnection> class.
+
+ An `FBRequest` object may be reused to issue multiple connections to Facebook.
+ However each <FBRequestConnection> instance will manage one connection.
+
+ Class and instance methods prefixed with **start* ** can be used to perform the
+ request setup and initiate the connection in a single call.
+
+*/
+@interface FBRequest : NSObject {
+@private
+    id<FBRequestDelegate> _delegate;
+    NSString*             _url;
+    NSURLConnection*      _connection;
+    NSMutableData*        _responseText;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+    FBRequestState        _state;
+#pragma GCC diagnostic pop
+    NSError*              _error;
+    BOOL                  _sessionDidExpire;
+    id<FBGraphObject>     _graphObject;
+}
+
+/*!
+ @methodgroup Creating a request
+
+ @method
+ Calls <initWithSession:graphPath:parameters:HTTPMethod:> with the default parameters.
+*/
+- (id)init;
+
+/*!
+ @method
+ Calls <initWithSession:graphPath:parameters:HTTPMethod:> with default parameters
+ except for the ones provided to this method.
+
+ @param session     The session object representing the identity of the Facebook user making
+ the request. A nil value indicates a request that requires no token; to
+ use the active session pass `[FBSession activeSession]`.
+
+ @param graphPath   The Graph API endpoint to use for the request, for example "me".
+*/
+- (id)initWithSession:(FBSession*)session
+            graphPath:(NSString *)graphPath;
+
+/*!
+ @method
+
+ @abstract
+ Initializes an `FBRequest` object for a Graph API request call.
+
+ @discussion
+ Note that this only sets properties on the `FBRequest` object.
+
+ To send the request, initialize an <FBRequestConnection> object, add this request,
+ and send <[FBRequestConnection start]>.  See other methods on this
+ class for shortcuts to simplify this process.
+
+ @param session          The session object representing the identity of the Facebook user making
+ the request. A nil value indicates a request that requires no token; to
+ use the active session pass `[FBSession activeSession]`.
+
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+
+ @param parameters       The parameters for the request. A value of nil sends only the automatically handled
+ parameters, for example, the access token. The default is nil.
+
+ @param HTTPMethod       The HTTP method to use for the request. The default is value of nil implies a GET.
+*/
+- (id)initWithSession:(FBSession*)session
+            graphPath:(NSString *)graphPath
+           parameters:(NSDictionary *)parameters
+           HTTPMethod:(NSString *)HTTPMethod;
+
+/*!
+ @method
+ @abstract
+ Initialize a `FBRequest` object that will do a graph request.
+
+ @discussion
+ Note that this only sets properties on the `FBRequest`.
+
+ To send the request, initialize a <FBRequestConnection>, add this request,
+ and send <[FBRequestConnection start]>.  See other methods on this
+ class for shortcuts to simplify this process.
+
+ @param session          The session object representing the identity of the Facebook user making
+ the request. A nil value indicates a request that requires no token; to
+ use the active session pass `[FBSession activeSession]`.
+
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+
+ @param graphObject      An object or open graph action to post.
+*/
+- (id)initForPostWithSession:(FBSession*)session
+                   graphPath:(NSString *)graphPath
+                 graphObject:(id<FBGraphObject>)graphObject;
+
+/*!
+ @method
+ @abstract
+ Initialize a `FBRequest` object that will do a rest API request.
+
+ @discussion
+ Prefer to use graph requests instead of this where possible.
+
+ Note that this only sets properties on the `FBRequest`.
+
+ To send the request, initialize a <FBRequestConnection>, add this request,
+ and send <[FBRequestConnection start]>.  See other methods on this
+ class for shortcuts to simplify this process.
+
+ @param session          The session object representing the identity of the Facebook user making
+ the request. A nil value indicates a request that requires no token; to
+ use the active session pass `[FBSession activeSession]`.
+
+ @param restMethod        A valid REST API method.
+
+ @param parameters       The parameters for the request. A value of nil sends only the automatically handled
+ parameters, for example, the access token. The default is nil.
+
+ @param HTTPMethod       The HTTP method to use for the request. The default is value of nil implies a GET.
+
+*/
+- (id)initWithSession:(FBSession*)session
+           restMethod:(NSString *)restMethod
+           parameters:(NSDictionary *)parameters
+           HTTPMethod:(NSString *)HTTPMethod;
+
+/*!
+ @abstract
+ The parameters for the request.
+
+ @discussion
+ May be used to read the parameters that were automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+
+ `NSString` parameters are used to generate URL parameter values or JSON
+ parameters.  `NSData` and `UIImage` parameters are added as attachments
+ to the HTTP body and referenced by name in the URL and/or JSON.
+*/
+@property(nonatomic, retain, readonly) NSMutableDictionary *parameters;
+
+/*!
+ @abstract
+ The <FBSession> session object to use for the request.
+
+ @discussion
+ May be used to read the session that was automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+*/
+@property(nonatomic, retain) FBSession *session;
+
+/*!
+ @abstract
+ The Graph API endpoint to use for the request, for example "me".
+
+ @discussion
+ May be used to read the Graph API endpoint that was automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+*/
+@property(nonatomic, copy) NSString *graphPath;
+
+/*!
+ @abstract
+ A valid REST API method.
+
+ @discussion
+ May be used to read the REST method that was automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+
+ Use the Graph API equivalent of the API if it exists as the REST API
+ method is deprecated if there is a Graph API equivalent.
+*/
+@property(nonatomic, copy) NSString *restMethod;
+
+/*!
+ @abstract
+ The HTTPMethod to use for the request, for example "GET" or "POST".
+
+ @discussion
+ May be used to read the HTTP method that was automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+*/
+@property(nonatomic, copy) NSString *HTTPMethod;
+
+/*!
+ @abstract
+ The graph object to post with the request.
+
+ @discussion
+ May be used to read the graph object that was automatically set during
+ the object initiliazation. Make any required modifications prior to
+ sending the request.
+*/
+@property(nonatomic, retain) id<FBGraphObject> graphObject;
+
+/*!
+ @methodgroup Instance methods
+*/
+
+/*!
+ @method
+
+ @abstract
+ Starts a connection to the Facebook API.
+
+ @discussion
+ This is used to start an API call to Facebook and call the block when the
+ request completes with a success, error, or cancel.
+
+ @param handler   The handler block to call when the request completes with a success, error, or cancel action.
+ The handler will be invoked on the main thread.
+*/
+- (FBRequestConnection*)startWithCompletionHandler:(FBRequestHandler)handler;
+
+/*!
+ @methodgroup FBRequestConnection start methods
+
+ @abstract
+ These methods start an <FBRequestConnection>.
+
+ @discussion
+ These methods simplify the process of preparing a request and starting
+ the connection.  The methods handle initializing an `FBRequest` object,
+ initializing a <FBRequestConnection> object, adding the `FBRequest`
+ object to the to the <FBRequestConnection>, and finally starting the
+ connection.
+*/
+
+/*!
+ @methodgroup FBRequest factory methods
+
+ @abstract
+ These methods initialize a `FBRequest` for common scenarios.
+
+ @discussion
+ These simplify the process of preparing a request to send.  These
+ initialize a `FBRequest` based on strongly typed parameters that are
+ specific to the scenario.
+
+ These method do not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+*/
+
+// request*
+//
+// Summary:
+// Helper methods used to create common request objects which can be used to create single or batch connections
+//
+//   session:              - the session object representing the identity of the
+//                         Facebook user making the request; nil implies an
+//                         unauthenticated request; default=nil
+
+/*!
+ @method
+
+ @abstract
+ Creates a request representing a Graph API call to the "me" endpoint, using the active session.
+
+ @discussion
+ Simplifies preparing a request to retrieve the user's identity.
+
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+
+ A successful Graph API call will return an <FBGraphUser> object representing the
+ user's identity.
+
+ Note you may change the session property after construction if a session other than
+ the active session is preferred.
+*/
++ (FBRequest *)requestForMe;
+
+/*!
+ @method
+
+ @abstract
+ Creates a request representing a Graph API call to the "me/friends" endpoint using the active session.
+
+ @discussion
+ Simplifies preparing a request to retrieve the user's friends.
+
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+
+ A successful Graph API call will return an array of <FBGraphUser> objects representing the
+ user's friends.
+*/
++ (FBRequest *)requestForMyFriends;
+
+/*!
+ @method
+
+ @abstract
+ Creates a request representing a Graph API call to upload a photo to the app's album using the active session.
+
+ @discussion
+ Simplifies preparing a request to post a photo.
+
+ To post a photo to a specific album, get the `FBRequest` returned from this method
+ call, then modify the request parameters by adding the album ID to an "album" key.
+
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+
+ @param photo            A `UIImage` for the photo to upload.
+ */
++ (FBRequest *)requestForUploadPhoto:(UIImage *)photo;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a request representing a status update.
+ 
+ @discussion
+ Simplifies preparing a request to post a status update.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param message         The message to post.
+ */
++ (FBRequest *)requestForPostStatusUpdate:(NSString *)message;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a request representing a status update.
+ 
+ @discussion
+ Simplifies preparing a request to post a status update.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param message         The message to post.
+ @param place           The place to checkin with, or nil. Place may be an fbid or a 
+ graph object representing a place.
+ @param tags            Array of friends to tag in the status update, each element 
+ may be an fbid or a graph object representing a user.
+ */
++ (FBRequest *)requestForPostStatusUpdate:(NSString *)message
+                                    place:(id)place
+                                     tags:(id<NSFastEnumeration>)tags;
+
+/*!
+ @method
+
+ @abstract
+ Creates a request representing a Graph API call to the "search" endpoint
+ for a given location using the active session.
+
+ @discussion
+ Simplifies preparing a request to search for places near a coordinate.
+
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+
+ A successful Graph API call will return an array of <FBGraphPlace> objects representing
+ the nearby locations.
+
+ @param coordinate       The search coordinates.
+
+ @param radius           The search radius in meters.
+
+ @param limit            The maxiumum number of results to return.  It is
+ possible to receive fewer than this because of the radius and because of server limits.
+
+ @param searchText       The text to use in the query to narrow the set of places
+ returned.
+*/
++ (FBRequest *)requestForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                   radiusInMeters:(NSInteger)radius
+                                     resultsLimit:(NSInteger)limit
+                                       searchText:(NSString*)searchText;
+
+/*!
+ @method
+ 
+ @abstract 
+ Creates a request representing the Graph API call to retrieve a Custom Audience "thirdy party ID" for the app's Facebook user.  
+ Callers will send this ID back to their own servers, collect up a set to create a Facebook Custom Audience with, 
+ and then use the resultant Custom Audience to target ads.
+ 
+ @param session    The FBSession to use to establish the user's identity for users logged into Facebook through this app.
+ If `nil`, then the activeSession is used.
+ 
+ @discussion  
+ This method will throw an exception if <[FBSettings defaultAppID]> is `nil`.  The appID won't be nil when the pList
+ includes the appID, or if it's explicitly set.  
+ 
+ The JSON in the request's response will include an "custom_audience_third_party_id" key/value pair, with the value being the ID retrieved.
+ This ID is an encrypted encoding of the Facebook user's ID and the invoking Facebook app ID.
+ Multiple calls with the same user will return different IDs, thus these IDs cannot be used to correlate behavior
+ across devices or applications, and are only meaningful when sent back to Facebook for creating Custom Audiences.
+ 
+ The ID retrieved represents the Facebook user identified in the following way: if the specified session (or activeSession if the specified
+ session is `nil`) is open, the ID will represent the user associated with the activeSession; otherwise the ID will represent the user logged into the
+ native Facebook app on the device.  If there is no native Facebook app, no one is logged into it, or the user has opted out
+ at the iOS level from ad tracking, then a `nil` ID will be returned.
+ 
+ This method returns `nil` if either the user has opted-out (via iOS) from Ad Tracking, the app itself has limited event usage
+ via the `[FBAppEvents setLimitEventUsage]` flag, or a specific Facebook user cannot be identified.
+ */
++ (FBRequest *)requestForCustomAudienceThirdPartyID:(FBSession *)session;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to make a Graph API call for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ */
++ (FBRequest *)requestForGraphPath:(NSString*)graphPath;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates request representing a DELETE to a object.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param object        This can be an NSString, NSNumber or NSDictionary representing an object to delete
+ */
++ (FBRequest *)requestForDeleteObject:(id)object;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates a request representing a POST for a graph object.
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ 
+ @param graphObject      An object or open graph action to post.
+ */
++ (FBRequest *)requestForPostWithGraphPath:(NSString*)graphPath
+                               graphObject:(id<FBGraphObject>)graphObject;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to make a Graph API call for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ 
+ @param parameters       The parameters for the request. A value of nil sends only the automatically handled parameters, for example, the access token. The default is nil.
+ 
+ @param HTTPMethod       The HTTP method to use for the request. A nil value implies a GET.
+ */
++ (FBRequest *)requestWithGraphPath:(NSString*)graphPath
+                        parameters:(NSDictionary*)parameters
+                        HTTPMethod:(NSString*)HTTPMethod;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to create a user owned 
+ Open Graph object for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param object           The Open Graph object to create. Some common expected fields include "title", "image", "url", etc.
+ */
++ (FBRequest *)requestForPostOpenGraphObject:(id<FBOpenGraphObject>)object;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to create a user owned
+ Open Graph object for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param type             The fully-specified Open Graph object type (e.g., my_app_namespace:my_object_name)
+ @param title            The title of the Open Graph object.
+ @param image            The link to an image to be associated with the Open Graph object.
+ @param url              The url to be associated with the Open Graph object.
+ @param description      The description to be associated with the object.
+ @param objectProperties Any additional properties for the Open Graph object.
+ */
++ (FBRequest *)requestForPostOpenGraphObjectWithType:(NSString *)type
+                                               title:(NSString *)title
+                                               image:(id)image
+                                                 url:(id)url
+                                         description:(NSString *)description
+                                    objectProperties:(NSDictionary *)objectProperties;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to update a user owned
+ Open Graph object for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param object      The Open Graph object to update the existing object with.
+ */
++ (FBRequest *)requestForUpdateOpenGraphObject:(id<FBOpenGraphObject>)object;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to update a user owned
+ Open Graph object for the active session.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param objectId         The id of the Open Graph object to update.
+ @param title            The updated title of the Open Graph object.
+ @param image            The updated link to an image to be associated with the Open Graph object.
+ @param url              The updated url to be associated with the Open Graph object.
+ @param description      The updated description of the Open Graph object.
+ @param objectProperties Any additional properties to update for the Open Graph object.
+ */
++ (FBRequest *)requestForUpdateOpenGraphObjectWithId:(id)objectId
+                                               title:(NSString *)title
+                                               image:(id)image
+                                                 url:(id)url
+                                         description:(NSString *)description
+                                    objectProperties:(NSDictionary *)objectProperties;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized request object that can be used to upload an image
+ to create a staging resource. Staging resources allow you to post binary data
+ such as images, in preparation for a post of an open graph object or action
+ which references the image. The URI returned when uploading a staging resource
+ may be passed as the image property for an open graph object or action.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call.
+ 
+ This method does not initialize an <FBRequestConnection> object. To initiate the API
+ call first instantiate an <FBRequestConnection> object, add the request to this object,
+ then call the `start` method on the connection instance.
+ 
+ @param image            A `UIImage` for the image to upload.
+ */
++ (FBRequest *)requestForUploadStagingResourceWithImage:(UIImage *)image;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequest.m b/Vendor/facebook-ios-sdk/src/FBRequest.m
new file mode 100644
index 0000000..c5af527
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequest.m
@@ -0,0 +1,551 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/NSString.h>
+#import "Facebook.h"
+#import "FBAppEvents+Internal.h"
+#import "FBLogger.h"
+#import "FBUtility.h"
+#import "FBSession+Internal.h"
+#import "FBSDKVersion.h"
+#import "FBGraphObject.h"
+#import "FBRequest+Internal.h"
+
+// constants
+NSString *const FBGraphBasePath = @"https://graph." FB_BASE_URL;
+
+static NSString *const kGetHTTPMethod = @"GET";
+static NSString *const kPostHTTPMethod = @"POST";
+
+// ----------------------------------------------------------------------------
+// FBRequest
+@interface FBRequest()
+
+@property (assign, nonatomic) BOOL canCloseSessionOnError;
+
+@end
+
+@implementation FBRequest
+
+- (id)init
+{
+    return [self initWithSession:nil
+                       graphPath:nil
+                      parameters:nil
+                      HTTPMethod:nil];
+}
+
+- (id)initWithSession:(FBSession*)session
+            graphPath:(NSString *)graphPath
+{
+    return [self initWithSession:session
+                       graphPath:graphPath
+                      parameters:nil
+                      HTTPMethod:nil];
+}
+
+- (id)initForPostWithSession:(FBSession*)session
+                   graphPath:(NSString *)graphPath
+                 graphObject:(id<FBGraphObject>)graphObject {
+    self = [self initWithSession:session
+                       graphPath:graphPath
+                      parameters:nil
+                      HTTPMethod:kPostHTTPMethod];
+    if (self) {
+        self.graphObject = graphObject;
+    }
+    return self;
+}
+
+- (id)initWithSession:(FBSession*)session
+           restMethod:(NSString *)restMethod
+           parameters:(NSDictionary *)parameters
+           HTTPMethod:(NSString *)HTTPMethod
+{
+    // reusing the more common initializer...
+    self = [self initWithSession:session
+                       graphPath:nil     // but assuring a nil graphPath for the rest case
+                      parameters:parameters
+                      HTTPMethod:HTTPMethod];
+    if (self) {
+        self.restMethod = restMethod;
+    }
+    return self;
+}
+
+- (id)initWithSession:(FBSession*)session
+            graphPath:(NSString *)graphPath
+           parameters:(NSDictionary *)parameters
+           HTTPMethod:(NSString *)HTTPMethod
+{
+    if (self = [super init]) {
+        // set default for nil
+        if (!HTTPMethod) {
+            HTTPMethod = kGetHTTPMethod;
+        }
+        
+        self.session = session;
+        self.graphPath = graphPath;
+        self.HTTPMethod = HTTPMethod;
+        self.canCloseSessionOnError = YES;
+        
+        // all request objects start life with a migration bundle set for the SDK
+        _parameters = [[NSMutableDictionary alloc]
+                       initWithObjectsAndKeys:FB_IOS_SDK_MIGRATION_BUNDLE, @"migration_bundle", nil];
+        if (parameters) {
+            // but the incoming dictionary's migration bundle trumps the default one, if present
+            [self.parameters addEntriesFromDictionary:parameters];
+        }
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [_graphObject release];
+    [_session release];
+    [_graphPath release];
+    [_restMethod release];
+    [_HTTPMethod release];
+    [_parameters release];
+    [_url release];
+    [_connection release];
+    [_responseText release];
+    [_error release];
+    [super dealloc];
+}
+
+//@property(nonatomic,retain) id<FBGraphObject> graphObject;
+- (id<FBGraphObject>)graphObject {
+    return _graphObject;
+}
+
+- (void)setGraphObject:(id<FBGraphObject>)newValue {
+    if (_graphObject != newValue) {
+        [_graphObject release];
+        _graphObject = [newValue retain];
+    }
+    
+    // setting this property implies you want a post, if you really
+    // want a get, reset the method to get after setting this property
+    self.HTTPMethod = kPostHTTPMethod;
+}
+
+- (FBRequestConnection*)startWithCompletionHandler:(FBRequestHandler)handler
+{
+    FBRequestConnection *connection = [self createRequestConnection];
+    [connection addRequest:self completionHandler:handler];
+    [connection start];
+    return connection;
+}
+
+- (FBRequestConnection *)createRequestConnection {
+    return [[[FBRequestConnection alloc] init] autorelease];
+}
+
++ (FBRequest*)requestForMe {
+    return [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                     graphPath:@"me"]
+            autorelease];
+}
+
++ (FBRequest*)requestForMyFriends {
+    return [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                     graphPath:@"me/friends"
+                                    parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                @"id,name,username,first_name,last_name", @"fields",
+                                                nil]
+                                    HTTPMethod:nil]
+            autorelease];
+}
+
++ (FBRequest *)requestForUploadPhoto:(UIImage *)photo
+{
+    NSString *graphPath = @"me/photos";
+    NSMutableDictionary *parameters = [[NSMutableDictionary alloc] init];
+    [parameters setObject:photo forKey:@"picture"];
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                                   graphPath:graphPath
+                                                  parameters:parameters
+                                                  HTTPMethod:@"POST"]
+                          autorelease];
+    
+    [parameters release];
+    
+    return request;
+}
+
++ (FBRequest*)requestForGraphPath:(NSString*)graphPath
+{
+    FBRequest *request = [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                                   graphPath:graphPath
+                                                  parameters:nil
+                                                  HTTPMethod:nil]
+                          autorelease];
+    return request;
+}
+
++ (FBRequest*)requestForDeleteObject:(id)object
+{
+    FBRequest *request = [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                                   graphPath:[FBUtility stringFBIDFromObject:object]
+                                                  parameters:nil
+                                                  HTTPMethod:@"DELETE"]
+                          autorelease];
+    return request;
+}
+
+
++ (FBRequest*)requestForPostWithGraphPath:(NSString*)graphPath
+                              graphObject:(id<FBGraphObject>)graphObject {
+    return [[[FBRequest alloc] initForPostWithSession:[FBSession activeSessionIfOpen]
+                                            graphPath:graphPath
+                                          graphObject:graphObject]
+            autorelease];
+}
+
++ (FBRequest *)requestForPostStatusUpdate:(NSString *)message {
+    return [FBRequest requestForPostStatusUpdate:message
+                                           place:nil
+                                            tags:nil];
+}
+
++ (FBRequest *)requestForPostStatusUpdate:(NSString *)message
+                                    place:(id)place
+                                     tags:(id<NSFastEnumeration>)tags {
+    
+    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObject:message forKey:@"message"];
+    // if we have a place object, use it
+    if (place) {
+        [params setObject:[FBUtility stringFBIDFromObject:place]
+                   forKey:@"place"];
+    }
+    // ditto tags
+    if (tags) {
+        NSMutableString *tagsValue = [NSMutableString string];
+        NSString *format = @"%@";
+        for (id tag in tags) {
+            [tagsValue appendFormat:format, [FBUtility stringFBIDFromObject:tag]];
+            format = @",%@";
+        }
+        if ([tagsValue length]) {
+            [params setObject:tagsValue
+                       forKey:@"tags"];
+        }
+    }
+    
+    return [FBRequest requestWithGraphPath:@"me/feed"
+                                parameters:params
+                                HTTPMethod:@"POST"];
+}
+
++ (FBRequest*)requestWithGraphPath:(NSString*)graphPath
+                        parameters:(NSDictionary*)parameters
+                        HTTPMethod:(NSString*)HTTPMethod {
+    return [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                     graphPath:graphPath
+                                    parameters:parameters
+                                    HTTPMethod:HTTPMethod]
+            autorelease];
+}
+
++ (FBRequest*)requestForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                  radiusInMeters:(NSInteger)radius
+                                    resultsLimit:(NSInteger)limit
+                                      searchText:(NSString*)searchText
+{
+    NSMutableDictionary *parameters = [[NSMutableDictionary alloc] init];
+    [parameters setObject:@"place" forKey:@"type"];
+    [parameters setObject:[NSString stringWithFormat:@"%ld", (long)limit] forKey:@"limit"];
+    [parameters setObject:[NSString stringWithFormat:@"%lf,%lf", coordinate.latitude, coordinate.longitude]
+                   forKey:@"center"];
+    [parameters setObject:[NSString stringWithFormat:@"%ld", (long)radius] forKey:@"distance"];
+    if ([searchText length]) {
+        [parameters setObject:searchText forKey:@"q"];
+    }
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:[FBSession activeSessionIfOpen]
+                                                   graphPath:@"search"
+                                                  parameters:parameters
+                                                  HTTPMethod:nil]
+                          autorelease];
+    [parameters release];
+    
+    return request;
+}
+
++ (FBRequest *)requestForCustomAudienceThirdPartyID:(FBSession *)session {
+    return [FBAppEvents customAudienceThirdPartyIDRequest:session];
+}
+
++ (FBRequest *)requestForPostOpenGraphObject:(id<FBOpenGraphObject>)graphObject {
+    if (graphObject) {
+        graphObject.provisionedForPost = YES;
+        NSMutableDictionary<FBGraphObject> *parameters = [FBGraphObject graphObject];
+        NSString *graphPath = [NSString stringWithFormat:@"me/objects/%@", graphObject.type];
+        [parameters setObject:graphObject forKey:@"object"];
+        FBRequest *request = [[[FBRequest alloc] initForPostWithSession:[FBSession activeSessionIfOpen]
+                                                              graphPath:graphPath
+                                                            graphObject:parameters]
+                              autorelease];
+        return request;
+    }
+    return nil;
+}
+
++ (FBRequest *)requestForPostOpenGraphObjectWithType:(NSString *)type
+                                               title:(NSString *)title
+                                               image:(id)image
+                                                 url:(id)url
+                                         description:(NSString *)description
+                                    objectProperties:(NSDictionary *)objectProperties {
+    NSMutableDictionary<FBOpenGraphObject> *object = [FBGraphObject openGraphObjectForPostWithType:type
+                                                                                             title:title
+                                                                                             image:image
+                                                                                               url:url
+                                                                                       description:description];
+    if (objectProperties) {
+        object.data = [FBGraphObject graphObjectWrappingDictionary:objectProperties];
+    }
+    return [FBRequest requestForPostOpenGraphObject:object];
+}
+
++ (FBRequest *)requestForUpdateOpenGraphObject:(id<FBOpenGraphObject>)object {
+    return [FBRequest requestForUpdateOpenGraphObjectWithId:object[@"id"] graphObject:object];
+}
+
++ (FBRequest *)requestForUpdateOpenGraphObjectWithId:(id)objectId
+                                               title:(NSString *)title
+                                               image:(id)image
+                                                 url:(id)url
+                                         description:(NSString *)description
+                                    objectProperties:(NSDictionary *)objectProperties {
+    NSMutableDictionary<FBOpenGraphObject> *object = [FBGraphObject openGraphObjectForPostWithType:nil
+                                                                                             title:title
+                                                                                             image:image
+                                                                                               url:url
+                                                                                       description:description];
+    object[@"id"] = [FBUtility stringFBIDFromObject:objectId];
+    return [FBRequest requestForUpdateOpenGraphObject:object];
+}
+
++ (FBRequest *)requestForUploadStagingResourceWithImage:(UIImage *)photo {
+    return [FBRequest requestWithGraphPath:@"me/staging_resources"
+                                parameters:@{@"file":photo}
+                                HTTPMethod:@"POST"];
+}
+
+// ----------------------------------------------------------------------------
+// Private statics
+
++ (FBRequest*)requestForUpdateOpenGraphObjectWithId:(NSString*)objectId
+                                        graphObject:(id<FBGraphObject>)graphObject
+{
+    if (graphObject) {
+        graphObject.provisionedForPost = YES;
+        NSMutableDictionary<FBGraphObject> *parameters = [FBGraphObject graphObject];
+        NSString *graphPath = objectId;
+        [parameters setObject:graphObject forKey:@"object"];
+        FBRequest *request = [[[FBRequest alloc] initForPostWithSession:[FBSession activeSessionIfOpen]
+                                                              graphPath:graphPath
+                                                            graphObject:parameters]
+                              autorelease];
+        return request;
+    }
+    return nil;
+    
+}
+
+@end
+
+// ----------------------------------------------------------------------------
+// Deprecated FBRequest implementation
+
+@implementation FBRequest (Deprecated)
+
+// ----------------------------------------------------------------------------
+// deprecated public properties
+
+//@property(nonatomic,assign) id<FBRequestDelegate> delegate;
+- (id<FBRequestDelegate>)delegate {
+    return _delegate;
+}
+
+- (void)setDelegate:(id<FBRequestDelegate>)newValue {
+    _delegate = newValue;
+}
+
+//@property(nonatomic,copy) NSString* url;
+- (NSString*)url {
+    return _url;
+}
+
+- (void)setUrl:(NSString*)newValue {
+    if (_url != newValue) {
+        [_url release];
+        _url = [newValue copy];
+    }
+}
+
+//@property(nonatomic,copy) NSString* httpMethod;
+- (NSString*)httpMethod {
+    return self.HTTPMethod;
+}
+
+- (void)setHttpMethod:(NSString*)newValue {
+    self.HTTPMethod = newValue;
+}
+
+//@property(nonatomic,retain) NSMutableDictionary* params;
+- (NSMutableDictionary*)params {
+    return _parameters;
+}
+
+- (void)setParams:(NSMutableDictionary*)newValue {
+    if (_parameters != newValue) {
+        [_parameters release];
+        _parameters = [newValue retain];
+    }
+}
+
+//@property(nonatomic,retain) NSURLConnection*  connection;
+- (NSURLConnection*)connection {
+    return _connection;
+}
+
+- (void)setConnection:(NSURLConnection*)newValue {
+    if (_connection != newValue) {
+        [_connection release];
+        _connection = [newValue retain];
+    }
+}
+
+//@property(nonatomic,retain) NSMutableData* responseText;
+- (NSMutableData*)responseText {
+    return _responseText;
+}
+
+- (void)setResponseText:(NSMutableData*)newValue {
+    if (_responseText != newValue) {
+        [_responseText release];
+        _responseText = [newValue retain];
+    }
+}
+
+//@property(nonatomic,retain) NSError* error;
+- (NSError*)error {
+    return _error;
+}
+
+- (void)setError:(NSError*)newValue {
+    if (_error != newValue) {
+        [_error release];
+        _error = [newValue retain];
+    }
+}
+
+//@property(nonatomic,readonly+readwrite) FBRequestState state;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+- (FBRequestState)state {
+    return _state;
+}
+
+- (void)setState:(FBRequestState)newValue {
+    _state = newValue;
+}
+#pragma GCC diagnostic pop
+
+//@property(nonatomic,readonly+readwrite) BOOL sessionDidExpire;
+- (BOOL)sessionDidExpire {
+    return _sessionDidExpire;
+}
+
+- (void)setSessionDidExpire:(BOOL)newValue {
+    _sessionDidExpire = newValue;
+}
+
+// ----------------------------------------------------------------------------
+// deprecated public methods
+
+- (BOOL)loading
+{
+    return (_state == kFBRequestStateLoading);
+}
+
++ (NSString *)serializeURL:(NSString *)baseUrl
+                    params:(NSDictionary *)params {
+    return [self serializeURL:baseUrl params:params httpMethod:kGetHTTPMethod];
+}
+
++ (NSString*)serializeURL:(NSString *)baseUrl
+                   params:(NSDictionary *)params
+               httpMethod:(NSString *)httpMethod {
+    
+    NSURL* parsedURL = [NSURL URLWithString:[baseUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
+    NSString* queryPrefix = parsedURL.query ? @"&" : @"?";
+    
+    NSMutableArray* pairs = [NSMutableArray array];
+    for (NSString* key in [params keyEnumerator]) {
+        id value = [params objectForKey:key];
+        if ([value isKindOfClass:[UIImage class]]
+            || [value isKindOfClass:[NSData class]]) {
+            if ([httpMethod isEqualToString:kGetHTTPMethod]) {
+                [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors logEntry:@"can not use GET to upload a file"];
+            }
+            continue;
+        }
+        
+        NSString* escaped_value = [FBUtility stringByURLEncodingString:value];
+        [pairs addObject:[NSString stringWithFormat:@"%@=%@", key, escaped_value]];
+    }
+    NSString* query = [pairs componentsJoinedByString:@"&"];
+    
+    return [NSString stringWithFormat:@"%@%@%@", baseUrl, queryPrefix, query];
+}
+
+#pragma mark Debugging helpers
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p, session: %p",
+                               NSStringFromClass([self class]), 
+                               self,
+                               self.session];
+    if (self.graphPath) {
+        [result appendFormat:@", graphPath: %@", self.graphPath];
+    }
+    if (self.graphObject) {
+        [result appendFormat:@", graphObject: %@", self.graphObject];
+        NSString *graphObjectID = [self.graphObject objectForKey:@"id"];
+        if (graphObjectID) {
+            [result appendFormat:@" (id=%@)", graphObjectID];
+        }
+    }
+    if (self.restMethod) {
+        [result appendFormat:@", restMethod: %@", self.restMethod];
+    }
+    if (self.HTTPMethod) {
+        [result appendFormat:@", HTTPMethod: %@", self.HTTPMethod];
+    }
+    [result appendFormat:@", parameters: %@>", [self.parameters description]];
+    return result;
+    
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestBody.h b/Vendor/facebook-ios-sdk/src/FBRequestBody.h
new file mode 100644
index 0000000..e429342
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestBody.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIImage.h>
+#import "FBLogger.h"
+
+@interface FBRequestBody : NSObject
+
+@property (nonatomic, retain, readonly) NSData *data;
+
+- (id)init;
+
+- (void)appendWithKey:(NSString *)key
+            formValue:(NSString *)value
+               logger:(FBLogger *)logger;
+
+- (void)appendWithKey:(NSString *)key
+           imageValue:(UIImage *)image
+               logger:(FBLogger *)logger;
+
+- (void)appendWithKey:(NSString *)key
+            dataValue:(NSData *)data
+               logger:(FBLogger *)logger;
+
++ (NSString *)mimeContentType;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestBody.m b/Vendor/facebook-ios-sdk/src/FBRequestBody.m
new file mode 100644
index 0000000..6b15174
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestBody.m
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequestBody.h"
+#import "FBSettings+Internal.h"
+
+static NSString *kStringBoundary = @"3i2ndDfv2rTHiSisAbouNdArYfORhtTPEefj3q2f";
+
+@interface FBRequestBody ()
+@property (nonatomic, retain, readonly) NSMutableData *mutableData;
+- (void)appendUTF8:(NSString *)utf8;
+@end
+
+@implementation FBRequestBody
+
+@synthesize mutableData = _mutableData;
+
+- (id)init
+{
+    if (self = [super init]) {
+        _mutableData = [[NSMutableData alloc] init];
+    }
+
+    return self;
+}
+
+- (void)dealloc
+{
+    [_mutableData release];
+    [super dealloc];
+}
+
++ (NSString *)mimeContentType
+{
+    return [NSString stringWithFormat:@"multipart/form-data; boundary=%@", kStringBoundary];
+}
+
+- (void)appendUTF8:(NSString *)utf8
+{
+    if (![self.mutableData length]) {
+        NSString *headerUTF8 = [NSString stringWithFormat:@"--%@\r\n", kStringBoundary];
+        NSData *headerData = [headerUTF8 dataUsingEncoding:NSUTF8StringEncoding];
+        [self.mutableData appendData:headerData];
+    }
+    NSData *data = [utf8 dataUsingEncoding:NSUTF8StringEncoding];
+    [self.mutableData appendData:data];
+}
+
+- (void)appendRecordBoundary
+{
+    NSString *boundary = [NSString stringWithFormat:@"\r\n--%@\r\n", kStringBoundary];
+    [self appendUTF8:boundary];
+}
+
+- (void)appendWithKey:(NSString *)key
+            formValue:(NSString *)value
+               logger:(FBLogger *)logger
+{
+    NSString *disposition =
+        [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", key];
+    [self appendUTF8:disposition];
+    [self appendUTF8:value];
+    [self appendRecordBoundary];
+    [logger appendFormat:@"\n    %@:\t%@", key, (NSString *)value];
+}
+
+- (void)appendWithKey:(NSString *)key
+                 imageValue:(UIImage *)image
+               logger:(FBLogger *)logger
+{
+    NSString *disposition =
+        [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n", key, key];
+    [self appendUTF8:disposition];
+    [self appendUTF8:@"Content-Type: image/jpeg\r\n\r\n"];
+    NSData *data = UIImageJPEGRepresentation(image, [FBSettings defaultJPEGCompressionQuality]);
+    [self.mutableData appendData:data];
+    [self appendRecordBoundary];
+    [logger appendFormat:@"\n    %@:\t<Image - %lu kB>", key, (unsigned long)([data length] / 1024)];
+}
+
+- (void)appendWithKey:(NSString *)key
+            dataValue:(NSData *)data
+               logger:(FBLogger *)logger
+{
+    NSString *disposition =
+        [NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n", key, key];
+    [self appendUTF8:disposition];
+    [self appendUTF8:@"Content-Type: content/unknown\r\n\r\n"];
+    [self.mutableData appendData:data];
+    [self appendRecordBoundary];
+    [logger appendFormat:@"\n    %@:\t<Data - %lu kB>", key, (unsigned long)([data length] / 1024)];
+}
+
+- (NSData *)data
+{
+    // No need to enforce immutability since this is internal-only and sdk will
+    // never cast/modify.
+    return self.mutableData;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestConnection+Internal.h b/Vendor/facebook-ios-sdk/src/FBRequestConnection+Internal.h
new file mode 100644
index 0000000..a799931
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestConnection+Internal.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequestConnection.h"
+#import "FBRequestMetadata.h"
+
+@class FBRequestConnectionRetryManager;
+
+@interface FBRequestConnection (Internal)
+
+@property (nonatomic, readonly) BOOL isResultFromCache;
+@property (nonatomic, readonly) NSMutableArray *requests;
+@property (nonatomic, readonly) FBRequestConnectionRetryManager *retryManager;
+
+- (id)initWithMetadata:(NSArray *)metadataArray;
+
+- (void)startWithCacheIdentity:(NSString*)cacheIdentity
+         skipRoundtripIfCached:(BOOL)consultCache;
+
+- (FBRequestMetadata *) getRequestMetadata:(FBRequest *)request;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestConnection.h b/Vendor/facebook-ios-sdk/src/FBRequestConnection.h
new file mode 100644
index 0000000..229c8b4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestConnection.h
@@ -0,0 +1,622 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <CoreLocation/CoreLocation.h>
+#import "FBGraphObject.h"
+
+// up-front decl's
+@class FBRequest;
+@class FBRequestConnection;
+@class FBSession;
+@class UIImage;
+
+
+/*!
+ @attribute beta true
+ 
+ @typedef FBRequestConnectionErrorBehavior enum
+ 
+ @abstract Describes what automatic error handling behaviors to provide (if any).
+ 
+ @discussion This is a bitflag enum that can be composed of different values.
+ 
+     See FBError.h and FBErrorUtility.h for error category and user message details.
+ */
+typedef enum {
+    /*! The default behavior of none */
+    FBRequestConnectionErrorBehaviorNone                   = 0,
+
+    /*! This will retry any requests whose error category is classified as `FBErrorCategoryRetry`.
+     If the retry fails, the normal handler is invoked. */
+    FBRequestConnectionErrorBehaviorRetry                  = 1,
+    
+    /*! This will automatically surface any SDK provided userMessage (at most one), after
+     retry attempts, but before any reconnects are tried. The alert will have one button
+     whose text can be localized with the key "FBE:AlertMessageButton". 
+     
+     You should not display your own alert views in your request handler when specifying this
+     behavior.
+     */
+    FBRequestConnectionErrorBehaviorAlertUser              = 2,
+    
+    /*! This will automatically reconnect a session if the request failed due to an invalid token
+     that would otherwise close the session (such as an expired token or password change). Note
+     this will NOT reconnect a session if the user had uninstalled the app, or if the user had
+     disabled the app's slider in their privacy settings (in cases of iOS 6 system auth).
+     If the session is reconnected, this will transition the session state to FBSessionStateTokenExtended
+     which will invoke any state change handlers. Otherwise, the session is closed as normal.
+     
+     This behavior should not be used if the FBRequestConnection contains multiple
+     session instances. Further, when this behavior is used, you must not request new permissions
+     for the session until the connection is completed.
+     
+     Lastly, you should avoid using additional FBRequestConnections with the same session because
+     that will be subject to race conditions.
+     */
+    FBRequestConnectionErrorBehaviorReconnectSession     = 4,
+} FBRequestConnectionErrorBehavior;
+
+/*!
+ Normally requests return JSON data that is parsed into a set of `NSDictionary`
+ and `NSArray` objects.
+
+ When a request returns a non-JSON response, that response is packaged in
+ a `NSDictionary` using FBNonJSONResponseProperty as the key and the literal
+ response as the value.
+*/
+extern NSString *const FBNonJSONResponseProperty;
+
+/*!
+ @typedef FBRequestHandler
+
+ @abstract
+ A block that is passed to addRequest to register for a callback with the results of that
+ request once the connection completes.
+
+ @discussion
+ Pass a block of this type when calling addRequest.  This will be called once
+ the request completes.  The call occurs on the UI thread.
+
+ @param connection      The `FBRequestConnection` that sent the request.
+
+ @param result          The result of the request.  This is a translation of
+                        JSON data to `NSDictionary` and `NSArray` objects.  This
+                        is nil if there was an error.
+
+ @param error           The `NSError` representing any error that occurred.
+
+*/
+typedef void (^FBRequestHandler)(FBRequestConnection *connection, 
+                                 id result,
+                                 NSError *error);
+
+/*!
+ @class FBRequestConnection
+
+ @abstract
+ The `FBRequestConnection` represents a single connection to Facebook to service a request.
+
+ @discussion
+ The request settings are encapsulated in a reusable <FBRequest> object. The 
+ `FBRequestConnection` object encapsulates the concerns of a single communication
+ e.g. starting a connection, canceling a connection, or batching requests.
+
+*/
+@interface FBRequestConnection : NSObject
+
+/*!
+ @methodgroup Creating a request
+*/
+
+/*!
+ @method
+
+ Calls <initWithTimeout:> with a default timeout of 180 seconds.
+*/
+- (id)init;
+
+/*!
+ @method
+
+ @abstract
+ `FBRequestConnection` objects are used to issue one or more requests as a single
+ request/response connection with Facebook.
+
+ @discussion
+ For a single request, the usual method for creating an `FBRequestConnection`
+ object is to call one of the **start* ** methods on <FBRequest>. However, it is
+ allowable to init an `FBRequestConnection` object directly, and call 
+ <addRequest:completionHandler:> to add one or more request objects to the 
+ connection, before calling start.
+ 
+ Note that if requests are part of a batch, they must have an open
+ FBSession that has an access token associated with it. Alternatively a default App ID
+ must be set either in the plist or through an explicit call to <[FBSession defaultAppID]>.
+
+ @param timeout         The `NSTimeInterval` (seconds) to wait for a response before giving up.
+*/
+     
+- (id)initWithTimeout:(NSTimeInterval)timeout;
+
+// properties
+
+/*!
+ @abstract
+ The request that will be sent to the server.
+
+ @discussion
+ This property can be used to create a `NSURLRequest` without using
+ `FBRequestConnection` to send that request.  It is legal to set this property 
+ in which case the provided `NSMutableURLRequest` will be used instead.  However,
+ the `NSMutableURLRequest` must result in an appropriate response.  Furthermore, once
+ this property has been set, no more <FBRequest> objects can be added to this
+ `FBRequestConnection`.
+*/
+@property(nonatomic, retain, readwrite) NSMutableURLRequest *urlRequest;
+
+/*!
+ @abstract
+ The raw response that was returned from the server.  (readonly)
+
+ @discussion
+ This property can be used to inspect HTTP headers that were returned from
+ the server.
+
+ The property is nil until the request completes.  If there was a response
+ then this property will be non-nil during the FBRequestHandler callback.
+*/
+@property(nonatomic, retain, readonly) NSHTTPURLResponse *urlResponse; 
+
+/*!
+ @attribute beta true
+
+ @abstract Set the automatic error handling behaviors.
+ @discussion 
+ 
+ This must be set before any requests are added.
+ 
+ When using retry behaviors, note the FBRequestConnection instance
+ passed to the FBRequestHandler may be a different instance that the
+ one the requests were originally started on.
+*/
+@property (nonatomic, assign) FBRequestConnectionErrorBehavior errorBehavior;
+
+/*!
+ @methodgroup Adding requests
+*/
+
+/*!
+ @method
+ 
+ @abstract
+ This method adds an <FBRequest> object to this connection.
+ 
+ @discussion
+ The completion handler is retained until the block is called upon the 
+ completion or cancellation of the connection.
+ 
+ @param request       A request to be included in the round-trip when start is called.
+ @param handler       A handler to call back when the round-trip completes or times out.
+                      The handler will be invoked on the main thread.
+*/
+- (void)addRequest:(FBRequest*)request
+ completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+
+ @abstract
+ This method adds an <FBRequest> object to this connection.
+
+ @discussion
+ The completion handler is retained until the block is called upon the
+ completion or cancellation of the connection. This request can be named
+ to allow for using the request's response in a subsequent request.
+
+ @param request         A request to be included in the round-trip when start is called.
+
+ @param handler         A handler to call back when the round-trip completes or times out.
+                        The handler will be invoked on the main thread.
+ 
+ @param name            An optional name for this request.  This can be used to feed
+ the results of one request to the input of another <FBRequest> in the same 
+ `FBRequestConnection` as described in 
+ [Graph API Batch Requests]( https://developers.facebook.com/docs/reference/api/batch/ ). 
+*/
+- (void)addRequest:(FBRequest*)request
+ completionHandler:(FBRequestHandler)handler
+    batchEntryName:(NSString*)name;
+
+/*!
+ @method
+ 
+ @abstract
+ This method adds an <FBRequest> object to this connection.
+ 
+ @discussion
+ The completion handler is retained until the block is called upon the
+ completion or cancellation of the connection. This request can be named
+ to allow for using the request's response in a subsequent request.
+ 
+ @param request         A request to be included in the round-trip when start is called.
+ 
+ @param handler         A handler to call back when the round-trip completes or times out.
+ 
+ @param batchParameters The optional dictionary of parameters to include for this request
+ as described in [Graph API Batch Requests]( https://developers.facebook.com/docs/reference/api/batch/ ).
+ Examples include "depends_on", "name", or "omit_response_on_success".
+ */
+- (void)addRequest:(FBRequest*)request
+ completionHandler:(FBRequestHandler)handler
+   batchParameters:(NSDictionary*)batchParameters;
+
+/*!
+ @methodgroup Instance methods
+*/
+
+/*!
+ @method
+
+ @abstract
+ This method starts a connection with the server and is capable of handling all of the 
+ requests that were added to the connection.
+
+ @discussion
+ Errors are reported via the handler callback, even in cases where no 
+ communication is attempted by the implementation of `FBRequestConnection`. In 
+ such cases multiple error conditions may apply, and if so the following
+ priority (highest to lowest) is used:
+
+ - `FBRequestConnectionInvalidRequestKey` -- this error is reported when an 
+ <FBRequest> cannot be encoded for transmission.
+
+ - `FBRequestConnectionInvalidBatchKey`   -- this error is reported when any
+ request in the connection cannot be encoded for transmission with the batch.
+ In this scenario all requests fail.
+  
+ This method cannot be called twice for an `FBRequestConnection` instance.
+*/
+- (void)start;
+
+/*!
+ @method
+
+ @abstract
+ Signals that a connection should be logically terminated as the
+ application is no longer interested in a response.
+
+ @discussion
+ Synchronously calls any handlers indicating the request was cancelled. Cancel
+ does not guarantee that the request-related processing will cease. It 
+ does promise that  all handlers will complete before the cancel returns. A call to
+ cancel prior to a start implies a cancellation of all requests associated
+ with the connection.
+*/
+- (void)cancel;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API request for user info (/me), creates an <FBRequest> 
+ then uses an <FBRequestConnection> object to start the connection with Facebook. The 
+ request uses the active session represented by `[FBSession activeSession]`.
+ 
+ See <connectionWithSession:graphPath:parameters:HTTPMethod:completionHandler:>
+ 
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForMeWithCompletionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API request for user friends (/me/friends), creates an <FBRequest> 
+ then uses an <FBRequestConnection> object to start the connection with Facebook. The 
+ request uses the active session represented by `[FBSession activeSession]`.
+ 
+ See <connectionWithSession:graphPath:parameters:HTTPMethod:completionHandler:>
+ 
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForMyFriendsWithCompletionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API post of a photo. The request  
+ uses the active session represented by `[FBSession activeSession]`.
+  
+ @param photo            A `UIImage` for the photo to upload.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForUploadPhoto:(UIImage *)photo
+                          completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API post of a status update. The request  
+ uses the active session represented by `[FBSession activeSession]`.
+ 
+ @param message         The message to post.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection *)startForPostStatusUpdate:(NSString *)message
+                                completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API post of a status update. The request  
+ uses the active session represented by `[FBSession activeSession]`.
+ 
+ @param message         The message to post.
+ @param place           The place to checkin with, or nil. Place may be an fbid or a 
+ graph object representing a place.
+ @param tags            Array of friends to tag in the status update, each element 
+ may be an fbid or a graph object representing a user.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection *)startForPostStatusUpdate:(NSString *)message
+                                            place:(id)place
+                                             tags:(id<NSFastEnumeration>)tags
+                                completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Starts a request representing a Graph API call to the "search" endpoint
+ for a given location using the active session.
+ 
+ @discussion
+ Simplifies starting a request to search for places near a coordinate.
+ 
+ This method creates the necessary <FBRequest> object and initializes and 
+ starts an <FBRequestConnection> object. A successful Graph API call will
+ return an array of <FBGraphPlace> objects representing the nearby locations.
+ 
+ @param coordinate      The search coordinates.
+ 
+ @param radius          The search radius in meters.
+ 
+ @param limit           The maxiumum number of results to return.  It is
+                        possible to receive fewer than this because of the 
+                        radius and because of server limits.
+ 
+ @param searchText      The text to use in the query to narrow the set of places
+                        returned.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                          radiusInMeters:(NSInteger)radius
+                                            resultsLimit:(NSInteger)limit
+                                              searchText:(NSString*)searchText
+                                       completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Starts a request representing the Graph API call to retrieve a Custom Audience "third party ID" for the app's Facebook user.
+ Callers will send this ID back to their own servers, collect up a set to create a Facebook Custom Audience with,
+ and then use the resultant Custom Audience to target ads.
+ 
+ @param session    The FBSession to use to establish the user's identity for users logged into Facebook through this app.
+ If `nil`, then the activeSession is used.
+ 
+ @discussion
+ This method will throw an exception if <[FBSettings defaultAppID]> is `nil`.  The appID won't be nil when the pList
+ includes the appID, or if it's explicitly set.
+ 
+ The JSON in the request's response will include an "custom_audience_third_party_id" key/value pair, with the value being the ID retrieved.
+ This ID is an encrypted encoding of the Facebook user's ID and the invoking Facebook app ID.
+ Multiple calls with the same user will return different IDs, thus these IDs cannot be used to correlate behavior
+ across devices or applications, and are only meaningful when sent back to Facebook for creating Custom Audiences.
+ 
+ The ID retrieved represents the Facebook user identified in the following way: if the specified session (or activeSession if the specified
+ session is `nil`) is open, the ID will represent the user associated with the activeSession; otherwise the ID will represent the user logged into the
+ native Facebook app on the device.  If there is no native Facebook app, no one is logged into it, or the user has opted out
+ at the iOS level from ad tracking, then a `nil` ID will be returned.
+ 
+ This method returns `nil` if either the user has opted-out (via iOS) from Ad Tracking, the app itself has limited event usage
+ via the `[FBAppEvents setLimitEventUsage]` flag, or a specific Facebook user cannot be identified.
+ 
+ @param handler The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForCustomAudienceThirdPartyID:(FBSession *)session
+                                         completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to make a graph API request, creates an <FBRequest> object for HTTP GET,
+ then uses an <FBRequestConnection> object to start the connection with Facebook. The 
+ request uses the active session represented by `[FBSession activeSession]`.
+ 
+ See <connectionWithSession:graphPath:parameters:HTTPMethod:completionHandler:>
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startWithGraphPath:(NSString*)graphPath
+                         completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to delete an object using the graph API, creates an <FBRequest> object for 
+ HTTP DELETE, then uses an <FBRequestConnection> object to start the connection with Facebook. 
+ The request uses the active session represented by `[FBSession activeSession]`.
+ 
+ @param object           The object to delete, may be an NSString or NSNumber representing an fbid or an NSDictionary with an id property
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForDeleteObject:(id)object
+                           completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Simple method to post an object using the graph API, creates an <FBRequest> object for 
+ HTTP POST, then uses <FBRequestConnection> to start a connection with Facebook. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ 
+ @param graphObject      An object or open graph action to post.
+ 
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForPostWithGraphPath:(NSString*)graphPath
+                                      graphObject:(id<FBGraphObject>)graphObject
+                                completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates an `FBRequest` object for a Graph API call, instantiate an
+ <FBRequestConnection> object, add the request to the newly created
+ connection and finally start the connection. Use this method for
+ specifying the request parameters and HTTP Method. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param graphPath        The Graph API endpoint to use for the request, for example "me".
+ 
+ @param parameters       The parameters for the request. A value of nil sends only the automatically handled parameters, for example, the access token. The default is nil.
+ 
+ @param HTTPMethod       The HTTP method to use for the request. A nil value implies a GET.
+ 
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startWithGraphPath:(NSString*)graphPath
+                                parameters:(NSDictionary*)parameters
+                                HTTPMethod:(NSString*)HTTPMethod
+                         completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates an `FBRequest` for creating a user owned Open Graph object, instantiate a
+ <FBRequestConnection> object, add the request to the newly created
+ connection and finally start the connection. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param object           The Open Graph object to create. Some common expected fields include "title", "image", "url", etc.
+ 
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForPostOpenGraphObject:(id<FBOpenGraphObject>)object
+                                  completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates an `FBRequest` for creating a user owned Open Graph object, instantiate a
+ <FBRequestConnection> object, add the request to the newly created
+ connection and finally start the connection. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param type             The fully-specified Open Graph object type (e.g., my_app_namespace:my_object_name)
+ @param title            The title of the Open Graph object.
+ @param image            The link to an image to be associated with the Open Graph object.
+ @param url              The url to be associated with the Open Graph object.
+ @param description      The description for the object.
+ @param objectProperties Any additional properties for the Open Graph object.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForPostOpenGraphObjectWithType:(NSString *)type
+                                                      title:(NSString *)title
+                                                      image:(id)image
+                                                        url:(id)url
+                                                description:(NSString *)description
+                                           objectProperties:(NSDictionary *)objectProperties
+                                          completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates an `FBRequest` for updating a user owned Open Graph object, instantiate a
+ <FBRequestConnection> object, add the request to the newly created
+ connection and finally start the connection. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param object           The Open Graph object to update the existing object with.
+
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection*)startForUpdateOpenGraphObject:(id<FBOpenGraphObject>)object
+                                    completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Creates an `FBRequest` for updating a user owned Open Graph object, instantiate a
+ <FBRequestConnection> object, add the request to the newly created
+ connection and finally start the connection. The request uses
+ the active session represented by `[FBSession activeSession]`.
+ 
+ @param objectId         The id of the Open Graph object to update.
+ @param title            The updated title of the Open Graph object.
+ @param image            The updated link to an image to be associated with the Open Graph object.
+ @param url              The updated url to be associated with the Open Graph object.
+ @param description      The object's description.
+ @param objectProperties Any additional properties to update for the Open Graph object.
+ @param handler          The handler block to call when the request completes with a success, error, or cancel action.
+ */
++ (FBRequestConnection *)startForUpdateOpenGraphObjectWithId:(id)objectId
+                                                       title:(NSString *)title
+                                                       image:(id)image
+                                                         url:(id)url
+                                                 description:(NSString *)description
+                                            objectProperties:(NSDictionary *)objectProperties
+                                           completionHandler:(FBRequestHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract
+ Starts a request connection to upload an image
+ to create a staging resource. Staging resources allow you to post binary data
+ such as images, in preparation for a post of an open graph object or action
+ which references the image. The URI returned when uploading a staging resource
+ may be passed as the value for the image property of an open graph object or action.
+ 
+ @discussion
+ This method simplifies the preparation of a Graph API call be creating the FBRequest
+ object and starting the request connection with a single method
+ 
+ @param image            A `UIImage` for the image to upload.
+ @param handler          The handler block to call when the request completes.
+ */
++ (FBRequestConnection *)startForUploadStagingResourceWithImage:(UIImage *)image
+                                              completionHandler:(FBRequestHandler)handler;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestConnection.m b/Vendor/facebook-ios-sdk/src/FBRequestConnection.m
new file mode 100644
index 0000000..5f9f547
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestConnection.m
@@ -0,0 +1,1588 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIImage.h>
+#import "FBError.h"
+#import "FBError.h"
+#import "FBURLConnection.h"
+#import "FBRequestBody.h"
+#import "FBSession.h"
+#import "FBSession+Internal.h"
+#import "FBSettings.h"
+#import "FBRequestConnection.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBRequestConnectionRetryManager.h"
+#import "FBRequestHandlerFactory.h"
+#import "FBRequest+Internal.h"
+#import "Facebook.h"
+#import "FBGraphObject.h"
+#import "FBLogger.h"
+#import "FBUtility.h"
+#import "FBDataDiskCache.h"
+#import "FBSDKVersion.h"
+#import "FBErrorUtility+Internal.h"
+#import "FBSystemAccountStoreAdapter.h"
+
+// URL construction constants
+NSString *const kGraphURLPrefix = @"https://graph.";
+NSString *const kGraphVideoURLPrefix = @"https://graph-video.";
+NSString *const kApiURLPrefix = @"https://api.";
+NSString *const kBatchKey = @"batch";
+NSString *const kBatchMethodKey = @"method";
+NSString *const kBatchRelativeURLKey = @"relative_url";
+NSString *const kBatchAttachmentKey = @"attached_files";
+NSString *const kBatchFileNamePrefix = @"file";
+NSString *const kBatchEntryName = @"name";
+
+NSString *const kAccessTokenKey = @"access_token";
+NSString *const kSDK = @"ios";
+NSString *const kUserAgentBase = @"FBiOSSDK";
+
+NSString *const kExtendTokenRestMethod = @"auth.extendSSOAccessToken";
+NSString *const kBatchRestMethodBaseURL = @"method/";
+
+// response object property/key
+NSString *const FBNonJSONResponseProperty = @"FACEBOOK_NON_JSON_RESULT";
+
+static const int kRESTAPIAccessTokenErrorCode = 190;
+static const int kRESTAPIPermissionErrorCode = 200;
+static const int kAPISessionNoLongerActiveErrorCode = 2500;
+static const NSTimeInterval kDefaultTimeout = 180.0;
+static const int kMaximumBatchSize = 50;
+
+typedef void (^KeyValueActionHandler)(NSString *key, id value);
+
+// ----------------------------------------------------------------------------
+// FBRequestConnectionState
+
+typedef enum FBRequestConnectionState {
+    kStateCreated,
+    kStateSerialized,
+    kStateStarted,
+    kStateCompleted,
+    kStateCancelled,
+} FBRequestConnectionState;
+
+// ----------------------------------------------------------------------------
+// Private properties and methods
+
+@interface FBRequestConnection () {
+    BOOL _errorBehavior;
+}
+
+@property (nonatomic, retain) FBURLConnection *connection;
+@property (nonatomic, retain) NSMutableArray *requests;
+@property (nonatomic) FBRequestConnectionState state;
+@property (nonatomic) NSTimeInterval timeout;
+@property (nonatomic, retain) NSMutableURLRequest *internalUrlRequest;
+@property (nonatomic, retain, readwrite) NSHTTPURLResponse *urlResponse;
+@property (nonatomic, retain) FBRequest *deprecatedRequest;
+@property (nonatomic, retain) FBLogger *logger;
+@property (nonatomic) unsigned long requestStartTime;
+@property (nonatomic, readonly) BOOL isResultFromCache;
+@property (nonatomic, retain) FBRequestConnectionRetryManager *retryManager;
+
+@end
+
+// ----------------------------------------------------------------------------
+// FBRequestConnection
+
+@implementation FBRequestConnection
+
+// ----------------------------------------------------------------------------
+// Property implementations
+
+- (NSMutableURLRequest *)urlRequest
+{
+    if (self.internalUrlRequest) {
+        NSMutableURLRequest *request = self.internalUrlRequest;
+        
+        [request setValue:[FBRequestConnection userAgent] forHTTPHeaderField:@"User-Agent"];        
+        [self logRequest:request bodyLength:0 bodyLogger:nil attachmentLogger:nil];
+        
+        return request;
+        
+    } else {
+        // CONSIDER: Could move to kStateSerialized here by caching result, but
+        // it seems bad for a get accessor to modify state in observable manner.
+        return [self requestWithBatch:self.requests timeout:_timeout];
+    }
+}
+
+- (void)setUrlRequest:(NSMutableURLRequest *)request
+{
+    NSAssert((self.state == kStateCreated) || (self.state == kStateSerialized),
+             @"Cannot set urlRequest after starting or cancelling.");
+    self.state = kStateSerialized;
+
+    self.internalUrlRequest = request;
+}
+
+- (FBRequestConnectionErrorBehavior)errorBehavior
+{
+    return _errorBehavior;
+}
+
+- (void)setErrorBehavior:(FBRequestConnectionErrorBehavior)errorBehavior
+{
+    NSAssert(self.requests.count == 0, @"Cannot set errorBehavior after requests have been added");
+    _errorBehavior = errorBehavior;
+}
+
+// ----------------------------------------------------------------------------
+// Lifetime
+
+- (id)init
+{
+    return [self initWithTimeout:kDefaultTimeout];
+}
+
+// designated initializer
+- (id)initWithTimeout:(NSTimeInterval)timeout
+{
+    if (self = [super init]) {
+        _requests = [[NSMutableArray alloc] init];
+        _timeout = timeout;
+        _state = kStateCreated;
+        _logger = [[FBLogger alloc] initWithLoggingBehavior:FBLoggingBehaviorFBRequests];
+        _isResultFromCache = NO;
+    }
+    return self;
+}
+
+// internal constructor used for initializing with existing metadata/fbrequest instances,
+// ostensibly for the retry flow.
+- (id)initWithMetadata:(NSArray *)metadataArray
+{
+    if (self = [self initWithTimeout:kDefaultTimeout]) {
+        self.requests = [[metadataArray mutableCopy] autorelease];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [_connection cancel];
+    [_connection release];
+    [_requests release];
+    [_internalUrlRequest release];
+    [_urlResponse release];
+    [_deprecatedRequest release];
+    [_logger release];
+    [_retryManager release];
+
+    [super dealloc];
+}
+
+// ----------------------------------------------------------------------------
+// Public methods
+- (void)addRequest:(FBRequest *)request
+ completionHandler:(FBRequestHandler)handler
+{
+    [self addRequest:request completionHandler:handler batchEntryName:nil];
+}
+
+- (void)addRequest:(FBRequest *)request
+ completionHandler:(FBRequestHandler)handler
+    batchEntryName:(NSString *)name
+{
+    NSDictionary *batchParams = (name)? @{kBatchEntryName : name } : nil;
+    [self addRequest:request completionHandler:handler batchParameters:batchParams behavior:self.errorBehavior];
+}
+
+- (void)addRequest:(FBRequest*)request
+ completionHandler:(FBRequestHandler)handler
+   batchParameters:(NSDictionary*)batchParameters {
+    [self addRequest:request completionHandler:handler batchParameters:batchParameters behavior:self.errorBehavior];
+}
+
+- (void)addRequest:(FBRequest*)request
+ completionHandler:(FBRequestHandler)handler
+   batchParameters:(NSDictionary*)batchParameters
+          behavior:(FBRequestConnectionErrorBehavior)behavior
+{
+    NSAssert(self.state == kStateCreated,
+             @"Requests must be added before starting or cancelling.");
+   
+    FBRequestMetadata *metadata = [[FBRequestMetadata alloc] initWithRequest:request
+                                                           completionHandler:handler
+                                                             batchParameters:batchParameters
+                                                                    behavior:behavior];
+
+    [self.requests addObject:metadata];
+    [metadata release];
+}
+
+- (void)start
+{
+    [self startWithCacheIdentity:nil
+           skipRoundtripIfCached:NO];
+}
+
+- (void)cancel {
+    // Cancelling self.connection might trigger error handlers that cause us to
+    // get freed. Make sure we stick around long enough to finish this method call.
+    [[self retain] autorelease];
+ 
+    // Set the state to cancelled now prior to any handlers being invoked.
+    self.state = kStateCancelled;
+    [self.connection cancel];
+    self.connection = nil;
+}
+
+// ----------------------------------------------------------------------------
+// Public class methods
+
++ (FBRequestConnection*)startForMeWithCompletionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForMe];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection*)startForMyFriendsWithCompletionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForMyFriends];
+    return [request startWithCompletionHandler:handler];    
+}
+
++ (FBRequestConnection*)startForUploadPhoto:(UIImage *)photo
+                          completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForUploadPhoto:photo];
+    return [request startWithCompletionHandler:handler];    
+}
+
++ (FBRequestConnection *)startForPostStatusUpdate:(NSString *)message
+                                completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForPostStatusUpdate:message];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForPostStatusUpdate:(NSString *)message
+                                            place:(id)place
+                                             tags:(id<NSFastEnumeration>)tags
+                                completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForPostStatusUpdate:message
+                                                         place:place
+                                                          tags:tags];
+    return [request startWithCompletionHandler:handler];    
+}
+
++ (FBRequestConnection*)startForPlacesSearchAtCoordinate:(CLLocationCoordinate2D)coordinate
+                                          radiusInMeters:(NSInteger)radius
+                                            resultsLimit:(NSInteger)limit
+                                              searchText:(NSString*)searchText
+                                       completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForPlacesSearchAtCoordinate:coordinate
+                                                        radiusInMeters:radius
+                                                          resultsLimit:limit
+                                                            searchText:searchText];
+    
+    return [request startWithCompletionHandler:handler];        
+}
+
++ (FBRequestConnection*)startForCustomAudienceThirdPartyID:(FBSession *)session
+                                         completionHandler:(FBRequestHandler)handler {
+    
+    return [[FBRequest requestForCustomAudienceThirdPartyID:session]
+            startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection*)startWithGraphPath:(NSString*)graphPath
+                         completionHandler:(FBRequestHandler)handler
+{
+    return [FBRequestConnection startWithGraphPath:graphPath
+                                        parameters:nil
+                                        HTTPMethod:nil
+                                 completionHandler:handler];
+}
+
++ (FBRequestConnection*)startForDeleteObject:(id)object
+                           completionHandler:(FBRequestHandler)handler
+{
+    FBRequest *request = [FBRequest requestForDeleteObject:object];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection*)startForPostWithGraphPath:(NSString*)graphPath
+                                      graphObject:(id<FBGraphObject>)graphObject
+                                completionHandler:(FBRequestHandler)handler
+{
+    FBRequest *request = [FBRequest requestForPostWithGraphPath:graphPath
+                                                    graphObject:graphObject];
+    
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection*)startWithGraphPath:(NSString*)graphPath
+                                parameters:(NSDictionary*)parameters
+                                HTTPMethod:(NSString*)HTTPMethod
+                         completionHandler:(FBRequestHandler)handler
+{
+    FBRequest *request = [FBRequest requestWithGraphPath:graphPath
+                                              parameters:parameters
+                                              HTTPMethod:HTTPMethod];
+    
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForPostOpenGraphObject:(id<FBOpenGraphObject>)object
+                                   completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForPostOpenGraphObject:object];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForPostOpenGraphObjectWithType:(NSString *)type
+                                                       title:(NSString *)title
+                                                       image:(id)image
+                                                         url:(id)url
+                                                 description:(NSString *)description
+                                            objectProperties:(NSDictionary *)objectProperties
+                                           completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForPostOpenGraphObjectWithType:type
+                                                                    title:title
+                                                                    image:image
+                                                                      url:url
+                                                              description:description
+                                                         objectProperties:objectProperties];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForUpdateOpenGraphObject:(id<FBOpenGraphObject>)object
+                                     completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForUpdateOpenGraphObject:object];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForUpdateOpenGraphObjectWithId:(id)objectId
+                                                       title:(NSString *)title
+                                                       image:(id)image
+                                                         url:(id)url
+                                                 description:(NSString *)description
+                                            objectProperties:(NSDictionary *)objectProperties
+                                           completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForUpdateOpenGraphObjectWithId:objectId
+                                                                    title:title
+                                                                    image:image
+                                                                      url:url
+                                                              description:description
+                                                         objectProperties:objectProperties];
+    return [request startWithCompletionHandler:handler];
+}
+
++ (FBRequestConnection *)startForUploadStagingResourceWithImage:(UIImage *)photo
+                                              completionHandler:(FBRequestHandler)handler {
+    FBRequest *request = [FBRequest requestForUploadStagingResourceWithImage:photo];
+    return [request startWithCompletionHandler:handler];
+}
+
+// ----------------------------------------------------------------------------
+// Private methods
+
+- (void)startWithCacheIdentity:(NSString*)cacheIdentity 
+         skipRoundtripIfCached:(BOOL)skipRoundtripIfCached
+{
+    if ([self.requests count] == 1) {
+        FBRequestMetadata *firstMetadata = [self.requests objectAtIndex:0];
+        if ([firstMetadata.request delegate]) {
+            self.deprecatedRequest = firstMetadata.request;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+            [self.deprecatedRequest setState:kFBRequestStateLoading];
+#pragma GCC diagnostic pop
+        }
+    }
+    
+    NSMutableURLRequest *request = nil;
+    NSData *cachedData = nil;
+    NSURL *cacheIdentityURL = nil;
+    if (cacheIdentity) {
+        // warning! this property has significant side-effects, and should be executed at the right moment
+        // depending on whether there may be batching or whether we are certain there is no batching
+        request = self.urlRequest;
+        
+        // when we generalize this for consumers of FBRequest, then we will use a more 
+        // normalized form for our identification scheme than this URL construction; given the only
+        // clients are the two pickers -- this scheme achieves stability via being a closed system,
+        // and provides a simple first step to the more general solution
+        cacheIdentityURL = [[[NSURL alloc] initWithScheme:@"FBRequestCache"
+                                                     host:cacheIdentity
+                                                     path:[NSString stringWithFormat:@"/%@", request.URL]]
+                            autorelease];
+        
+        if (skipRoundtripIfCached) {
+            cachedData = [[FBDataDiskCache sharedCache] dataForURL:cacheIdentityURL];
+        }
+    }
+    
+    if (self.internalUrlRequest == nil && !cacheIdentity) {
+        // If we have all Graph API calls, see if we want to piggyback any internal calls onto
+        // the request to reduce round-trips. (The piggybacked calls may themselves be non-Graph
+        // API calls, but must be limited to API calls which are batchable. Not all are, which is
+        // why we won't piggyback on top of a REST API call.) Don't try this if the caller gave us
+        // an already-formed request object, since we don't know its structure.
+        BOOL safeForPiggyback = YES;
+        for (FBRequestMetadata *requestMetadata in self.requests) {
+            if (requestMetadata.request.restMethod) {
+                safeForPiggyback = NO;
+                break;
+            }
+        }
+        // If we wouldn't be able to compute a batch_app_id, don't piggyback on this
+        // request.
+        NSString *batchAppID = [self getBatchAppID:self.requests];
+        safeForPiggyback &= (batchAppID != nil) && (batchAppID.length > 0);
+        
+        if (safeForPiggyback) {
+            [self addPiggybackRequests];
+        }
+    }
+    
+    // warning! this property is side-effecting (and should probably be refactored at some point...)
+    // still, if we have made it this far and still don't have a request object, we need one now
+    if (!request) {
+        request = self.urlRequest;
+    }
+    
+    NSAssert((self.state == kStateCreated) || (self.state == kStateSerialized),
+             @"Cannot call start again after calling start or cancel.");
+    self.state = kStateStarted;
+    
+    _requestStartTime = [FBUtility currentTimeInMilliseconds];
+    
+    if (!cachedData) {
+        FBURLConnectionHandler handler =
+        ^(FBURLConnection *connection,
+          NSError *error,
+          NSURLResponse *response,
+          NSData *responseData) {
+            // cache this data if we have successful response and a cache identity to work with
+            if (cacheIdentityURL && 
+                [response isKindOfClass:[NSHTTPURLResponse class]] &&
+                ((NSHTTPURLResponse*)response).statusCode == 200) {
+                [[FBDataDiskCache sharedCache] setData:responseData
+                                                forURL:cacheIdentityURL];
+            }
+            // complete on result from round-trip to server
+            [self completeWithResponse:response 
+                                  data:responseData 
+                               orError:error];
+        };
+        
+        id<FBRequestDelegate> deprecatedDelegate = [self.deprecatedRequest delegate];
+        if ([deprecatedDelegate respondsToSelector:@selector(requestLoading:)]) {
+            [deprecatedDelegate requestLoading:self.deprecatedRequest];
+        }
+        
+        [self startURLConnectionWithRequest:request skipRoundTripIfCached:NO completionHandler:handler];
+    } else {
+        _isResultFromCache = YES;
+        
+        // complete on result from cache
+        [self completeWithResponse:nil 
+                              data:cachedData 
+                           orError:nil];
+        
+    }
+}
+
+- (void)startURLConnectionWithRequest:(NSURLRequest *)request
+                skipRoundTripIfCached:(BOOL)skipRoundTripIfCached
+                    completionHandler:(FBURLConnectionHandler) handler {
+    FBURLConnection *connection = [[self newFBURLConnection] initWithRequest:request
+                                                          skipRoundTripIfCached:skipRoundTripIfCached
+                                                              completionHandler:handler];
+    self.connection = connection;
+    [connection release];    
+}
+
+- (FBURLConnection *)newFBURLConnection {
+    return [FBURLConnection alloc];
+}
+
+//
+// Generates a NSURLRequest based on the contents of self.requests, and sets
+// options on the request.  Chooses between URL-based request for a single
+// request and JSON-based request for batches.
+//
+- (NSMutableURLRequest *)requestWithBatch:(NSArray *)requests
+                                  timeout:(NSTimeInterval)timeout
+{
+    FBRequestBody *body = [[FBRequestBody alloc] init];
+    FBLogger *bodyLogger = [[FBLogger alloc] initWithLoggingBehavior:_logger.loggingBehavior];  
+    FBLogger *attachmentLogger = [[FBLogger alloc] initWithLoggingBehavior:_logger.loggingBehavior];
+    
+    NSMutableURLRequest *request;
+    
+    if (requests.count == 0) {
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBRequestConnection: Must have at least one request or urlRequest not specified."
+                               userInfo:nil]
+         raise];
+        
+    }
+
+    if ([requests count] == 1) {
+        FBRequestMetadata *metadata = [requests objectAtIndex:0];
+        NSURL *url = [NSURL URLWithString:[self urlStringForSingleRequest:metadata.request forBatch:NO]];
+        request = [NSMutableURLRequest requestWithURL:url
+                                          cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
+                                      timeoutInterval:timeout];
+
+        // HTTP methods are case-sensitive; be helpful in case someone provided a mixed case one.
+        NSString *httpMethod = [metadata.request.HTTPMethod uppercaseString];
+        [request setHTTPMethod:httpMethod]; 
+        [self appendAttachments:metadata.request.parameters
+                         toBody:body
+                    addFormData:[httpMethod isEqualToString:@"POST"]
+                         logger:attachmentLogger];
+        
+        // if we have a post object, also roll that into the body 
+        if (metadata.request.graphObject) {
+            [FBRequestConnection processGraphObject:metadata.request.graphObject
+                                            forPath:[url path]
+                                                withAction:^(NSString *key, id value) {
+                [body appendWithKey:key formValue:value logger:bodyLogger];
+            }];
+        }
+    } else {
+        // Find the session with an app ID and use that as the batch_app_id. If we can't
+        // find one, try to load it from the plist. As a last resort, pass 0.
+        NSString *batchAppID = [self getBatchAppID:requests];
+        if (!batchAppID || batchAppID.length == 0) {
+            // The Graph API batch method requires either an access token or batch_app_id.
+            // If we can't determine an App ID to use for the batch, we can't issue it.
+            [[NSException exceptionWithName:FBInvalidOperationException
+                                     reason:@"FBRequestConnection: At least one request in a"
+                                             " batch must have an open FBSession, or a default"
+                                             " app ID must be specified."
+                                   userInfo:nil]
+             raise];
+        }
+        
+        [body appendWithKey:@"batch_app_id" formValue:batchAppID logger:bodyLogger];
+
+        NSMutableDictionary *attachments = [[NSMutableDictionary alloc] init];
+        
+        [self appendJSONRequests:requests
+                          toBody:body
+              andNameAttachments:attachments
+                          logger:bodyLogger];
+        
+        [self appendAttachments:attachments 
+                         toBody:body 
+                    addFormData:NO
+                         logger:attachmentLogger];
+        
+        [attachments release];
+        
+        request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:[FBUtility buildFacebookUrlWithPre:kGraphURLPrefix]]
+                                          cachePolicy:NSURLRequestReloadIgnoringLocalCacheData
+                                      timeoutInterval:timeout];
+        [request setHTTPMethod:@"POST"];
+    }
+
+    [request setHTTPBody:[body data]];
+    NSUInteger bodyLength = [[body data] length] / 1024;
+    [body release];
+
+    [request setValue:[FBRequestConnection userAgent] forHTTPHeaderField:@"User-Agent"];
+    [request setValue:[FBRequestBody mimeContentType] forHTTPHeaderField:@"Content-Type"];
+    
+    [self logRequest:request bodyLength:bodyLength bodyLogger:bodyLogger attachmentLogger:attachmentLogger];
+    
+    // Safely release now that everything's serialized into the logger.
+    [bodyLogger release];
+    [attachmentLogger release];
+    
+    return request;
+}
+
+- (void)logRequest:(NSMutableURLRequest *)request
+        bodyLength:(NSUInteger)bodyLength
+        bodyLogger:(FBLogger *)bodyLogger
+  attachmentLogger:(FBLogger *)attachmentLogger 
+{
+    if (_logger.isActive) {
+        [_logger appendFormat:@"Request <#%lu>:\n", (unsigned long)_logger.loggerSerialNumber];
+        [_logger appendKey:@"URL" value:[[request URL] absoluteString]];
+        [_logger appendKey:@"Method" value:[request HTTPMethod]];
+        [_logger appendKey:@"UserAgent" value:[request valueForHTTPHeaderField:@"User-Agent"]];
+        [_logger appendKey:@"MIME" value:[request valueForHTTPHeaderField:@"Content-Type"]];
+        
+        if (bodyLength != 0) {
+            [_logger appendKey:@"Body Size" value:[NSString stringWithFormat:@"%lu kB", (unsigned long)bodyLength / 1024]];
+        }
+        
+        if (bodyLogger != nil) {
+            [_logger appendKey:@"Body (w/o attachments)" value:bodyLogger.contents];
+        }
+        
+        if (attachmentLogger != nil) {
+            [_logger appendKey:@"Attachments" value:attachmentLogger.contents];
+        }
+        
+        [_logger appendString:@"\n"];
+        
+        [_logger emitToNSLog];
+    }
+}
+
+//
+// Generates a URL for a batch containing only a single request,
+// and names all attachments that need to go in the body of the
+// request.
+//
+// The URL contains all parameters that are not body attachments,
+// including the session key if present.
+//
+// Attachments are named and referenced by name in the URL.
+//
+- (NSString *)urlStringForSingleRequest:(FBRequest *)request forBatch:(BOOL)forBatch
+{
+    [request.parameters setValue:@"json" forKey:@"format"];
+    [request.parameters setValue:kSDK forKey:@"sdk"];
+    NSString *token = request.session.accessTokenData.accessToken;
+    if (token) {
+        [request.parameters setValue:token forKey:kAccessTokenKey];
+        [self registerTokenToOmitFromLog:token];
+    }
+
+    NSString *baseURL;
+    if (request.restMethod) {
+        if (forBatch) {
+            baseURL = [kBatchRestMethodBaseURL stringByAppendingString:request.restMethod];
+        } else {
+            baseURL = [[FBUtility buildFacebookUrlWithPre:kApiURLPrefix withPost:@"/method/"] stringByAppendingString:request.restMethod];
+        }
+    } else {
+        if (forBatch) {
+            baseURL = request.graphPath;
+        } else {
+            NSString *prefix = kGraphURLPrefix;
+            // We special case a graph post to <id>/videos and send it to graph-video.facebook.com
+            // We only do this for non batch post requests
+            if ([[request.HTTPMethod uppercaseString] isEqualToString:@"POST"] &&
+                [[request.graphPath lowercaseString] hasSuffix:@"/videos"]) {
+                NSArray *components = [request.graphPath componentsSeparatedByString:@"/"];
+                if ([components count] == 2) {
+                    prefix = kGraphVideoURLPrefix;
+                }
+            }
+            baseURL = [[FBUtility buildFacebookUrlWithPre:prefix withPost:@"/"] stringByAppendingString:request.graphPath];
+        }
+    }
+
+    NSString *url = [FBRequest serializeURL:baseURL
+                                     params:request.parameters
+                                 httpMethod:request.HTTPMethod];
+    return url;
+}
+
+// Find the first session with an app ID and use that as the batch_app_id. If we can't
+// find one, return the default app ID (which may still be nil if not specified
+// programmatically or via the plist).
+- (NSString *)getBatchAppID:(NSArray*)requests
+{
+    for (FBRequestMetadata *metadata in requests) {
+        if (metadata.request.session.appID.length > 0) {
+            return metadata.request.session.appID;
+        }
+    }
+    return [FBSettings defaultAppID];
+}
+
+//
+// Serializes all requests in the batch to JSON and appends the result to
+// body.  Also names all attachments that need to go as separate blocks in
+// the body of the request.
+//
+// All the requests are serialized into JSON, with any binary attachments
+// named and referenced by name in the JSON.
+//
+- (void)appendJSONRequests:(NSArray *)requests
+                    toBody:(FBRequestBody *)body
+        andNameAttachments:(NSMutableDictionary *)attachments
+                    logger:(FBLogger *)logger
+{
+    NSMutableArray *batch = [[NSMutableArray alloc] init];
+    for (FBRequestMetadata *metadata in requests) {
+        [self addRequest:metadata
+                 toBatch:batch
+             attachments:attachments];
+    }
+    
+    NSString *jsonBatch = [FBUtility simpleJSONEncode:batch];
+    
+    [batch release];
+
+    [body appendWithKey:kBatchKey formValue:jsonBatch logger:logger];
+}
+
+//
+// Adds request data to a batch in a format expected by the JsonWriter.
+// Binary attachments are referenced by name in JSON and added to the
+// attachments dictionary.  
+//
+- (void)addRequest:(FBRequestMetadata *)metadata
+           toBatch:(NSMutableArray *)batch
+       attachments:(NSDictionary *)attachments
+{
+    NSMutableDictionary *requestElement = [[[NSMutableDictionary alloc] init] autorelease];
+
+    if (metadata.batchParameters) {
+        [requestElement addEntriesFromDictionary:metadata.batchParameters];
+    }
+
+    NSString *token = metadata.request.session.accessTokenData.accessToken;
+    if (token) {
+        [metadata.request.parameters setObject:token forKey:kAccessTokenKey];
+        [self registerTokenToOmitFromLog:token];
+    }
+
+    NSString *urlString = [self urlStringForSingleRequest:metadata.request forBatch:YES];
+    [requestElement setObject:urlString forKey:kBatchRelativeURLKey];
+    [requestElement setObject:metadata.request.HTTPMethod forKey:kBatchMethodKey];
+
+    NSMutableString *attachmentNames = [NSMutableString string];
+
+    for (id key in [metadata.request.parameters keyEnumerator]) {
+        NSObject *value = [metadata.request.parameters objectForKey:key];
+        if ([self isAttachment:value]) {
+            NSString *name = [NSString stringWithFormat:@"%@%lu",
+                              kBatchFileNamePrefix,
+                              (unsigned long)[attachments count]];
+            if ([attachmentNames length]) {
+                [attachmentNames appendString:@","];
+            }
+            [attachmentNames appendString:name];
+            [attachments setValue:value forKey:name];
+        }
+    }
+    
+    // if we have a post object, also roll that into the body 
+    if (metadata.request.graphObject) {
+        NSMutableString *bodyValue = [[[NSMutableString alloc] init] autorelease];
+        __block NSString *delimiter = @"";
+        [FBRequestConnection
+         processGraphObject:metadata.request.graphObject
+                    forPath:urlString
+         withAction:^(NSString *key, id value) {
+             // escape the value
+             value = [FBUtility stringByURLEncodingString:[value description]];
+             [bodyValue appendFormat:@"%@%@=%@",
+              delimiter,
+              key,
+              value];
+             delimiter = @"&";
+         }];
+        [requestElement setObject:bodyValue forKey:@"body"];
+    }
+
+    if ([attachmentNames length]) {
+        [requestElement setObject:attachmentNames forKey:kBatchAttachmentKey];
+    }
+
+    [batch addObject:requestElement];
+}
+
+- (BOOL)isAttachment:(id)item
+{
+    return
+        [item isKindOfClass:[UIImage class]] ||
+        [item isKindOfClass:[NSData class]];
+}
+
+- (void)appendAttachments:(NSDictionary *)attachments
+                   toBody:(FBRequestBody *)body
+              addFormData:(BOOL)addFormData
+                   logger:(FBLogger *)logger
+{   
+    // key is name for both, first case is string which we can print, second pass grabs object
+    if (addFormData) {
+        for (NSString *key in [attachments keyEnumerator]) {
+            NSObject *value = [attachments objectForKey:key];
+            if ([value isKindOfClass:[NSString class]]) {
+                [body appendWithKey:key formValue:(NSString *)value logger:logger];
+            }
+        }
+    }
+
+    for (NSString *key in [attachments keyEnumerator]) {
+        NSObject *value = [attachments objectForKey:key];
+        if ([value isKindOfClass:[UIImage class]]) {
+            [body appendWithKey:key imageValue:(UIImage *)value logger:logger];
+        } else if ([value isKindOfClass:[NSData class]]) {
+            [body appendWithKey:key dataValue:(NSData *)value logger:logger];
+        }
+    }
+}
+
+#pragma mark Graph Object serialization
+
++ (void)processGraphObjectPropertyKey:(NSString*)key 
+                                value:(id)value 
+                               action:(KeyValueActionHandler)action 
+                          passByValue:(BOOL)passByValue {
+    if ([value conformsToProtocol:@protocol(FBGraphObject)]) {
+        NSDictionary<FBGraphObject> *refObject = (NSDictionary<FBGraphObject>*)value; 
+
+        if (refObject.provisionedForPost) {
+            NSString *value = [FBUtility simpleJSONEncode:refObject];
+            action(key, value);
+        } else if (passByValue) {
+            // We need to pass all properties of this object in key[propertyName] format.
+            for (NSString *propertyName in refObject) {
+                NSString *subKey = [NSString stringWithFormat:@"%@[%@]", key, propertyName];
+                id subValue = [refObject objectForKey:propertyName];
+                // Note that passByValue is not inherited by subkeys.
+                [self processGraphObjectPropertyKey:subKey value:subValue action:action passByValue:NO];
+            }
+        } else {
+            // Normal case is passing objects by reference, so just pass the ID or URL, if any.
+            NSString *subValue;
+            if ((subValue = [refObject objectForKey:@"id"])) {          // fbid
+                if ([subValue isKindOfClass:[NSDecimalNumber class]]) {
+                    subValue = [(NSDecimalNumber*)subValue stringValue];
+                }
+                action(key, subValue);
+            } else if ((subValue = [refObject objectForKey:@"url"])) {  // canonical url (external)
+                action(key, subValue);
+            }
+        }
+    } else if ([value isKindOfClass:[NSString class]] ||
+               [value isKindOfClass:[NSNumber class]]) {
+        // Just serialize these.
+        action(key, value);
+    } else if ([value isKindOfClass:[NSArray class]]) {
+        // Arrays are serialized as multiple elements with keys of the
+        // form key[0], key[1], etc.
+        NSArray *array = (NSArray*)value;
+        NSUInteger count = array.count;
+        for (NSUInteger i = 0; i < count; ++i) {
+            NSString *subKey = [NSString stringWithFormat:@"%@[%lu]", key, (unsigned long)i];
+            id subValue = [array objectAtIndex:i];
+            [self processGraphObjectPropertyKey:subKey value:subValue action:action passByValue:passByValue];
+        }
+    }
+}
+
++ (void)processGraphObject:(id<FBGraphObject>)object forPath:(NSString*)path withAction:(KeyValueActionHandler)action {
+    BOOL isOGAction = NO;
+    if ([path hasPrefix:@"me/"] ||
+        [path hasPrefix:@"/me/"]) {
+        // In general, graph objects are passed by reference (ID/URL). But if this is an OG Action,
+        // we need to pass the entire values of the contents of the 'image' property, as they
+        // contain important metadata beyond just a URL. We don't have a 100% foolproof way of knowing
+        // if we are posting an OG Action, given that batched requests can have parameter substitution,
+        // but passing the OG Action type as a substituted parameter is unlikely.
+        // It looks like an OG Action if it's posted to me/namespace:action[?other=stuff].
+        NSUInteger colonLocation = [path rangeOfString:@":"].location;
+        NSUInteger questionMarkLocation = [path rangeOfString:@"?"].location;
+        isOGAction = (colonLocation != NSNotFound && colonLocation > 3) && 
+            (questionMarkLocation == NSNotFound || colonLocation < questionMarkLocation);
+    }
+
+    for (NSString *key in [object keyEnumerator]) {
+        NSObject *value = [object objectForKey:key];
+        BOOL passByValue = isOGAction && [key isEqualToString:@"image"];
+        [self processGraphObjectPropertyKey:key value:value action:action passByValue:passByValue];
+    }
+}
+
+#pragma mark -
+
+- (void)completeWithResponse:(NSURLResponse *)response
+                        data:(NSData *)data
+                     orError:(NSError *)error
+{
+    if (self.state != kStateCancelled) {
+        NSAssert(self.state == kStateStarted,
+                 @"Unexpected state %d in completeWithResponse",
+                 self.state);
+        self.state = kStateCompleted;
+    }
+
+    NSInteger statusCode;
+    if (response) {
+        NSAssert([response isKindOfClass:[NSHTTPURLResponse class]],
+                 @"Expected NSHTTPURLResponse, got %@",
+                 response);
+        self.urlResponse = (NSHTTPURLResponse *)response;
+        statusCode = self.urlResponse.statusCode;
+        
+        if (!error && [response.MIMEType hasPrefix:@"image"]) {
+            error = [self errorWithCode:FBErrorNonTextMimeTypeReturned
+                             statusCode:0
+                     parsedJSONResponse:nil
+                             innerError:nil
+                                message:@"Response is a non-text MIME type; endpoints that return images and other "
+                                        @"binary data should be fetched using NSURLRequest and NSURLConnection"];
+        }
+    } else {
+        // the cached case is always successful, from an http perspective
+        statusCode = 200; 
+    }
+
+
+    
+    NSArray *results = nil;
+    if (!error) {
+        results = [self parseJSONResponse:data
+                                    error:&error
+                               statusCode:statusCode];
+    }
+    
+    // the cached case has data but no response,
+    // in which case we skip connection-related errors
+    if (response || !data) {
+        error = [self checkConnectionError:error 
+                                statusCode:statusCode 
+                        parsedJSONResponse:results];
+    }
+    
+    if (!error) {
+        if ([self.requests count] != [results count]) {
+            [FBLogger singleShotLogEntry:FBLoggingBehaviorFBRequests formatString:@"Expected %lu results, got %lu",
+                            (unsigned long)[self.requests count], (unsigned long)[results count]];
+            error = [self errorWithCode:FBErrorProtocolMismatch
+                             statusCode:statusCode
+                     parsedJSONResponse:results
+                             innerError:nil
+                                message:nil];
+        }
+    }
+    
+    if (!error) {
+        
+        [_logger appendFormat:@"Response <#%lu>\nDuration: %lu msec\nSize: %lu kB\nResponse Body:\n%@\n\n",
+         (unsigned long)[_logger loggerSerialNumber],
+         [FBUtility currentTimeInMilliseconds] - _requestStartTime,
+         (unsigned long)[data length],
+         results];
+        
+    } else {
+        
+        [_logger appendFormat:@"Response <#%lu> <Error>:\n%@\n%@\n",
+         (unsigned long)[_logger loggerSerialNumber],
+         [error localizedDescription],
+         [error userInfo]];
+        
+    }
+    [_logger emitToNSLog];
+    
+    if (self.deprecatedRequest) {
+        [self completeDeprecatedWithData:data results:results orError:error];
+    } else {
+        [self completeWithResults:results orError:error];
+    }
+
+    self.connection = nil;
+    self.urlResponse = (NSHTTPURLResponse *)response;
+}
+
+//
+// If there is one request, the JSON is the response.
+// If there are multiple requests, the JSON has an array of dictionaries whose
+// body property is the response.
+//   [{ "code":200,
+//      "body":"JSON-response-as-a-string" },
+//    { "code":200,
+//      "body":"JSON-response-as-a-string" }]
+//
+// In both cases, this function returns an NSArray containing the results.
+// The NSArray looks just like the multiple request case except the body
+// value is converted from a string to parsed JSON.
+//
+- (NSArray *)parseJSONResponse:(NSData *)data
+                         error:(NSError **)error
+                    statusCode:(NSInteger)statusCode;
+{
+    // Graph API can return "true" or "false", which is not valid JSON.
+    // Translate that before asking JSON parser to look at it.
+    NSString *responseUTF8 = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    NSArray *results = nil;
+    id response = [self parseJSONOrOtherwise:responseUTF8 error:error];
+
+    if (*error) {
+        // no-op
+    } else if ([self.requests count] == 1) {
+        // response is the entry, so put it in a dictionary under "body" and add
+        // that to array of responses.
+        NSMutableDictionary *result = [[[NSMutableDictionary alloc] init] autorelease];
+        [result setObject:[NSNumber numberWithInteger:statusCode] forKey:@"code"];
+        [result setObject:response forKey:@"body"];
+
+        NSMutableArray *mutableResults = [[[NSMutableArray alloc] init] autorelease];
+        [mutableResults addObject:result];
+        results = mutableResults;
+    } else if ([response isKindOfClass:[NSArray class]]) {
+        // response is the array of responses, but the body element of each needs
+        // to be decoded from JSON.
+        NSMutableArray *mutableResults = [[[NSMutableArray alloc] init] autorelease];
+        for (id item in response) {
+            // Don't let errors parsing one response stop us from parsing another.
+            NSError *batchResultError = nil;
+            if (![item isKindOfClass:[NSDictionary class]]) {
+                [mutableResults addObject:item];
+            } else {
+                NSDictionary *itemDictionary = (NSDictionary *)item;
+                NSMutableDictionary *result = [[[NSMutableDictionary alloc] init] autorelease];
+                for (NSString *key in [itemDictionary keyEnumerator]) {
+                    id value = [itemDictionary objectForKey:key];
+                    if ([key isEqualToString:@"body"]) {
+                        id body = [self parseJSONOrOtherwise:value error:&batchResultError];
+                        [result setObject:body forKey:key];
+                    } else {
+                        [result setObject:value forKey:key];
+                    }
+                }
+                [mutableResults addObject:result];
+            }
+            if (batchResultError) {
+                // We'll report back the last error we saw.
+                *error = batchResultError;
+            }
+        }
+        results = mutableResults;
+    } else {
+        *error = [self errorWithCode:FBErrorProtocolMismatch
+                          statusCode:statusCode
+                  parsedJSONResponse:results
+                          innerError:nil
+                             message:nil];
+    }
+
+    [responseUTF8 release];
+    return results;
+}
+
+- (id)parseJSONOrOtherwise:(NSString *)utf8
+                     error:(NSError **)error
+{
+    id parsed = nil;
+    if (!(*error)) {
+        parsed = [FBUtility simpleJSONDecode:utf8 error:error];
+        // if we fail parse we attemp a reparse of a modified input to support results in the form "foo=bar", "true", etc.
+        if (*error) {
+            // we round-trip our hand-wired response through the parser in order to remain
+            // consistent with the rest of the output of this function (note, if perf turns out
+            // to be a problem -- unlikely -- we can return the following dictionary outright)
+            NSDictionary *original = [NSDictionary dictionaryWithObjectsAndKeys:
+                                      utf8, FBNonJSONResponseProperty,
+                                      nil];
+            NSString *jsonrep = [FBUtility simpleJSONEncode:original];
+            NSError *reparseError = nil;
+            parsed = [FBUtility simpleJSONDecode:jsonrep error:&reparseError];
+            if (!reparseError) {
+                *error = nil;
+            }
+        }
+    }
+    return parsed;
+}
+
+- (void)completeDeprecatedWithData:(NSData *)data
+                           results:(NSArray *)results
+                           orError:(NSError *)error
+{
+    id result = [results objectAtIndex:0];
+    if ([result isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *resultDictionary = (NSDictionary *)result;
+        result = [resultDictionary objectForKey:@"body"];
+    }
+
+    id<FBRequestDelegate> delegate = [self.deprecatedRequest delegate];
+
+    if (!error) {
+        if ([delegate respondsToSelector:@selector(request:didReceiveResponse:)]) {
+            [delegate request:self.deprecatedRequest
+                     didReceiveResponse:self.urlResponse];
+        }
+        if ([delegate respondsToSelector:@selector(request:didLoadRawResponse:)]) {
+            [delegate request:self.deprecatedRequest didLoadRawResponse:data];
+        }
+
+        error = [self errorFromResult:result];
+    }
+
+    if (!error) {
+        if ([delegate respondsToSelector:@selector(request:didLoad:)]) {
+            [delegate request:self.deprecatedRequest didLoad:result];
+        }
+    } else {
+        if ([self isInvalidSessionError:error resultIndex:0]) {
+            [self.deprecatedRequest setSessionDidExpire:YES];
+            [self.deprecatedRequest.session close];
+        }
+
+        [self.deprecatedRequest setError:error];
+        if ([delegate respondsToSelector:@selector(request:didFailWithError:)]) {
+            [delegate request:self.deprecatedRequest didFailWithError:error];
+        }
+    }
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+    [self.deprecatedRequest setState:kFBRequestStateComplete];
+#pragma GCC diagnostic pop
+}
+
+- (NSError*) unpackIndividualJSONResponseError:(NSError *)itemError {
+    // task #1256476: in the current implementation, FBErrorParsedJSONResponseKey has two
+    // semantics; both of which are used by the implementation; the right fix is to break the meaning into
+    // two throughout, and surface both in the public API; the following fix is a lower risk and also
+    // less correct solution that improves the public API surface for this release
+    // Unpack FBErrorParsedJSONResponseKey array if present
+    id parsedResponse;
+    if ((parsedResponse = itemError.userInfo) && // do we have an error with userInfo
+        (parsedResponse = [parsedResponse objectForKey:FBErrorParsedJSONResponseKey]) && // response present?
+        ([parsedResponse isKindOfClass:[NSArray class]])) { // array?
+        id newValue = nil;
+        // if we successfully spelunk this far, then we don't want to return FBErrorParsedJSONResponseKey as is
+        // but if there is an empty array here, then we are better off nil-ing the key
+        if ([parsedResponse count]) {
+            newValue = [parsedResponse objectAtIndex:0];
+        }
+        itemError = [self errorWithCode:(FBErrorCode)itemError.code
+                             statusCode:[[itemError.userInfo objectForKey:FBErrorHTTPStatusCodeKey] intValue]
+                     parsedJSONResponse:newValue
+                             innerError:[itemError.userInfo objectForKey:FBErrorInnerErrorKey]
+                                message:[itemError.userInfo objectForKey:NSLocalizedDescriptionKey]];
+    }
+    return itemError;
+
+}
+
+// Helper method to determine if FBRequestConnection should close
+// the session for a given FBRequest.
+- (BOOL) shouldCloseRequestSession:(FBRequest *)request {
+    // We don't close requests whose session is being repaired
+    // since the repair resolution is now responsible for
+    // either maintaining the session or closing it.
+    return request.canCloseSessionOnError && !request.session.isRepairing;
+}
+
+- (void)completeWithResults:(NSArray *)results
+                    orError:(NSError *)error
+{
+    // set up a new retry manager for this flow.
+    self.retryManager = [[[FBRequestConnectionRetryManager alloc] initWithFBRequestConnection:self] autorelease];
+
+    NSUInteger count = [self.requests count];
+    NSMutableArray *tasks = [[NSMutableArray alloc] init];
+    for (NSUInteger i = 0; i < count; i++) {
+        FBRequestMetadata *metadata = [self.requests objectAtIndex:i];
+        id result = error ? nil : [results objectAtIndex:i];
+        NSError *itemError = error ? error : [self errorFromResult:result];
+        
+        // Describes the cleaned up NSError to return back to callbacks.
+        NSError *unpackedError = [self unpackIndividualJSONResponseError:itemError];
+
+        id body = nil;
+        if (!itemError && [result isKindOfClass:[NSDictionary class]]) {
+            NSDictionary *resultDictionary = (NSDictionary *)result;
+            body = [FBGraphObject graphObjectWrappingDictionary:[resultDictionary objectForKey:@"body"]];
+        }
+        
+        NSUInteger resultIndex = error == itemError ? i : 0;
+        FBTask *taskWork = [FBTask taskWithResult:nil];
+        FBSystemAccountStoreAdapter *systemAccountStoreAdapter = [FBSystemAccountStoreAdapter sharedInstance];
+        
+        if ((metadata.request.session.accessTokenData.loginType == FBSessionLoginTypeSystemAccount) &&
+            [self isInsufficientPermissionError:error resultIndex:resultIndex]) {
+            // if we lack permissions, use this as a cue to refresh the
+            // OS's understanding of current permissions
+            taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+                return [systemAccountStoreAdapter renewSystemAuthorizationAsTask];
+            } queue:dispatch_get_main_queue()];
+        } else if ([self isInvalidSessionError:itemError resultIndex:resultIndex]) {
+            if (metadata.request.session.accessTokenData.loginType == FBSessionLoginTypeSystemAccount){
+                // For system auth, there are a number of edge cases we pre-process before
+                // closing the session.
+                
+                if ([self isExpiredTokenError:itemError resultIndex:resultIndex]
+                    && systemAccountStoreAdapter.canRequestAccessWithoutUI) {
+                    // If token is expired and iOS says user has granted permissions
+                    // we can simply renew the token and flip the error to a retry.
+
+                    taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+                        return [systemAccountStoreAdapter renewSystemAuthorizationAsTask];
+                    } queue:dispatch_get_main_queue()];
+                    
+                    taskWork = [taskWork completionTaskWithQueue:dispatch_get_main_queue() block:^id(FBTask *task) {
+                        if (task.result == ACAccountCredentialRenewResultRenewed) {
+                            FBTask *requestAccessTask = [systemAccountStoreAdapter requestAccessToFacebookAccountStoreAsTask:metadata.request.session];
+                            return [requestAccessTask completionTaskWithQueue:dispatch_get_main_queue() block:^id(FBTask *task) {
+                                if (task.result) { // aka success means task.result ==  (oauthToken)
+                                    [metadata.request.session refreshAccessToken:task.result expirationDate:[NSDate distantFuture]];
+                                    [metadata invokeCompletionHandlerForConnection:self
+                                                                       withResults:body
+                                                                             error:[FBErrorUtility fberrorForRetry:unpackedError]];
+                                    return [FBTask cancelledTask];
+                                }
+                                return [FBTask taskWithError:nil];
+                            }];
+                        }
+                        return [FBTask taskWithError:nil];
+                    }];
+                } else if ([self isPasswordChangeError:itemError resultIndex:resultIndex]) {
+                    // For iOS6, when the password is changed on the server, the system account store
+                    // will continue to issue the old token until the user has changed the
+                    // password AND _THEN_ a renew call is made. To prevent opening
+                    // with an old token which would immediately be closed, we tell our adapter
+                    // that we want to force a blocking renew until success.
+                    [FBSystemAccountStoreAdapter sharedInstance].forceBlockingRenew = YES;
+                } else {
+                    // For other invalid session cases, we can simply issue the renew now
+                    // to update the system account's world view.
+                    taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+                        return [systemAccountStoreAdapter renewSystemAuthorizationAsTask];
+                    } queue:dispatch_get_main_queue()];
+                }
+            }
+            // Invalid session case, should close the session at end of this if block
+            // unless we signified not to earlier via a task cancellation.
+            taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+                if (task.isCancelled) {
+                    return task;
+                }
+                if ([self shouldCloseRequestSession:metadata.request]) {
+                    [metadata.request.session closeAndClearTokenInformation:unpackedError];
+                }
+                return [FBTask taskWithResult:nil];
+            } queue:dispatch_get_main_queue()];
+        } else if ([metadata.request.session shouldExtendAccessToken]) {
+            // If we have not had the opportunity to piggyback a token-extension request,
+            // but we need to, do so now as a separate request.
+            taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+                FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+                [FBRequestConnection addRequestToExtendTokenForSession:metadata.request.session
+                                                            connection:connection];
+                [connection start];
+                [connection release];
+                return [FBTask taskWithResult:nil];
+            } queue:dispatch_get_main_queue()];
+        }
+        
+        // Always invoke handler at the end.
+        taskWork = [taskWork dependentTaskWithBlock:^id(FBTask *task) {
+            if (task.isCancelled) {
+                return task;
+            }
+            [metadata invokeCompletionHandlerForConnection:self withResults:body error:unpackedError];
+            return [FBTask taskWithResult:nil];
+        } queue:dispatch_get_main_queue()];
+        [tasks addObject:taskWork];
+    } //end for loop
+
+   
+    FBTask *finalTask = [FBTask taskDependentOnTasks:tasks];
+    [finalTask dependentTaskWithBlock:^id(FBTask *task) {
+        [self.retryManager performRetries];
+        return [FBTask taskWithResult:nil];
+    } queue:dispatch_get_main_queue()];
+    [tasks release];
+}
+
+- (NSError *)errorFromResult:(id)idResult
+{
+    if ([idResult isKindOfClass:[NSDictionary class]]) {
+        NSDictionary *dictionary = (NSDictionary *)idResult;
+
+        if ([dictionary objectForKey:@"error"] ||
+            [dictionary objectForKey:@"error_code"] ||
+            [dictionary objectForKey:@"error_msg"] ||
+            [dictionary objectForKey:@"error_reason"]) {
+
+            NSMutableDictionary *userInfo = [[[NSMutableDictionary alloc] init] autorelease];
+            [userInfo addEntriesFromDictionary:dictionary];
+            return [self errorWithCode:FBErrorRequestConnectionApi
+                            statusCode:200
+                    parsedJSONResponse:idResult
+                            innerError:nil
+                               message:nil];
+        }
+
+        NSNumber *code = [dictionary valueForKey:@"code"];
+        if (code) {
+            return [self checkConnectionError:nil
+                                   statusCode:[code intValue]
+                           parsedJSONResponse:idResult];
+        }
+    }
+
+    return nil;
+}
+
+- (NSError *)errorWithCode:(FBErrorCode)code
+                statusCode:(NSInteger)statusCode
+        parsedJSONResponse:(id)response
+                innerError:(NSError*)innerError
+                   message:(NSString*)message {
+    NSMutableDictionary *userInfo = [[[NSMutableDictionary alloc] init] autorelease];
+    [userInfo setObject:[NSNumber numberWithInteger:statusCode] forKey:FBErrorHTTPStatusCodeKey];
+
+    if (response) {
+        userInfo[FBErrorParsedJSONResponseKey] = response;
+    }
+    
+    if (innerError) {
+        userInfo[FBErrorInnerErrorKey] = innerError;
+    }
+    
+    if (message) {
+        userInfo[NSLocalizedDescriptionKey] = message;
+    }
+    
+    // if we only have one session (possibly more than once) in this batch, stuff it in the error,
+    // otherwise it is a more advanced batch and the app is responsible for handling error state
+    FBSession *session = nil;
+    for (FBRequestMetadata *requestMetadata in self.requests) {
+        if (requestMetadata.request.session) {
+            if (!session) {
+                session = requestMetadata.request.session;
+            } else if (session != requestMetadata.request.session) {
+                session = nil; // two sessions in a batch, no clear reporting policy here
+                break;
+            }
+        }
+    }
+    
+    if (session) {
+        userInfo[FBErrorSessionKey] = session;
+    }
+    
+    NSError *error = [[[NSError alloc]
+                       initWithDomain:FacebookSDKDomain
+                       code:code
+                       userInfo:userInfo]
+                      autorelease];
+    
+    return error;
+}
+
+- (NSError *)checkConnectionError:(NSError *)innerError
+                       statusCode:(NSInteger)statusCode
+               parsedJSONResponse:response
+{
+    // We don't want to re-wrap our own errors.
+    if (innerError &&
+        [innerError.domain isEqualToString:FacebookSDKDomain]) {
+        return innerError;
+    }
+    NSError *result = nil;
+    if (innerError || ((statusCode < 200) || (statusCode >= 300))) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorFBRequests formatString:@"Error: HTTP status code: %lu", (unsigned long)statusCode];
+        result = [self errorWithCode:FBErrorHTTPError
+                          statusCode:statusCode
+                  parsedJSONResponse:response
+                          innerError:innerError
+                             message:nil];
+    }
+    return result;
+}
+
+- (BOOL)isInsufficientPermissionError:(NSError *)error
+                          resultIndex:(NSUInteger)index {
+    int code;
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                   index:index
+                                    code:&code
+                                 subcode:nil];
+    return code == kRESTAPIPermissionErrorCode;
+}
+
+- (BOOL)isInvalidSessionError:(NSError *)error
+                  resultIndex:(NSUInteger)index {
+    // Please note the retry behaviors in FBRequestHandlerFactory are coupled
+    // to the FBRequestConnection invalid session behavior, so any changes
+    // to conditions that trigger `closeAndClearTokenInformation` will probably
+    // need to replicate to the FBRequestHandlerFactory.
+    int code = 0, subcode = 0;
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:index
+                                           code:&code
+                                        subcode:&subcode];
+    
+    return [FBErrorUtility fberrorCategoryFromError:error
+                                               code:code
+                                            subcode:subcode
+                               returningUserMessage:nil
+                                andShouldNotifyUser:nil] == FBErrorCategoryAuthenticationReopenSession;
+}
+
+- (BOOL)isPasswordChangeError:(NSError *)error
+                  resultIndex:(NSUInteger)index {
+    int code = 0, subcode = 0;
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:index
+                                           code:&code
+                                        subcode:&subcode];
+    
+    [FBErrorUtility fberrorCategoryFromError:error
+                                        code:code
+                                     subcode:subcode
+                        returningUserMessage:nil
+                         andShouldNotifyUser:nil];
+    return subcode == FBAuthSubcodePasswordChanged;
+}
+
+- (BOOL)isExpiredTokenError:(NSError *)error
+                resultIndex:(NSUInteger)index {
+    int code = 0, subcode = 0;
+    [FBErrorUtility fberrorGetCodeValueForError:error
+                                          index:index
+                                           code:&code
+                                        subcode:&subcode];
+    
+    [FBErrorUtility fberrorCategoryFromError:error
+                                        code:code
+                                     subcode:subcode
+                        returningUserMessage:nil
+                         andShouldNotifyUser:nil];
+    return subcode == FBAuthSubcodeExpired;
+}
+
+- (void)registerTokenToOmitFromLog:(NSString *)token
+{
+    if (![[FBSettings loggingBehavior] containsObject:FBLoggingBehaviorAccessTokens]) {
+        [FBLogger registerStringToReplace:token replaceWith:@"ACCESS_TOKEN_REMOVED"];
+    }
+}
+
++ (NSString *)userAgent
+{
+    static NSString *agent = nil;
+
+    if (!agent) {
+        agent = [[NSString stringWithFormat:@"%@.%@", kUserAgentBase, FB_IOS_SDK_VERSION_STRING] retain];
+    }
+
+    return agent;
+}
+
+- (void)addPiggybackRequests
+{
+    // Get the set of sessions used by our requests
+    NSMutableSet *sessions = [[NSMutableSet alloc] init];
+    for (FBRequestMetadata *requestMetadata in self.requests) {
+        // Have we seen this session yet? If not, assume we'll extend its token if it wants us to.
+        if (requestMetadata.request.session) {
+            [sessions addObject:requestMetadata.request.session];
+        }
+    }
+    
+    for (FBSession *session in sessions) {
+        if (self.requests.count >= kMaximumBatchSize) {
+            break;
+        }
+        if ([session shouldExtendAccessToken]) {
+            [FBRequestConnection addRequestToExtendTokenForSession:session connection:self];
+        }
+        if (self.requests.count < kMaximumBatchSize && [session shouldRefreshPermissions]) {
+            [FBRequestConnection addRequestToRefreshPermissionsSession:session connection:self];
+        }
+    }
+    
+    [sessions release];
+}
+
++ (void)addRequestToExtendTokenForSession:(FBSession*)session connection:(FBRequestConnection*)connection
+{
+    FBRequest *request = [[FBRequest alloc] initWithSession:session
+                                                 restMethod:kExtendTokenRestMethod
+                                                 parameters:nil
+                                                 HTTPMethod:nil];
+    [connection addRequest:request
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             // extract what we care about
+             id token = [result objectForKey:@"access_token"];
+             id expireTime = [result objectForKey:@"expires_at"];
+             
+             // if we have a token and it is not a string (?) punt
+             if (token && ![token isKindOfClass:[NSString class]]) {
+                 expireTime = nil;
+             }
+             
+             // get a date if possible
+             NSDate *expirationDate = nil;
+             if (expireTime) {
+                 NSTimeInterval timeInterval = [expireTime doubleValue];
+                 if (timeInterval != 0) {
+                     expirationDate = [NSDate dateWithTimeIntervalSince1970:timeInterval];
+                 }
+             }
+             
+             // if we ended up with at least a date (and maybe a token) refresh the session token
+             if (expirationDate) {
+                 [session refreshAccessToken:token
+                              expirationDate:expirationDate];
+             }
+         }];            
+    [request release];
+}
+
++ (void)addRequestToRefreshPermissionsSession:(FBSession*)session connection:(FBRequestConnection*)connection {
+    FBRequest *request = [[FBRequest alloc] initWithSession:session graphPath:@"me/permissions"];
+    request.canCloseSessionOnError = NO;
+    
+    [connection addRequest:request
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             if (!error && [result isKindOfClass:[NSDictionary class] ]) {
+                 NSArray *resultData = result[@"data"];
+                 if (resultData.count > 0) {
+                     NSDictionary *permissionsDictionary = resultData[0];
+                     id permissions = [permissionsDictionary allKeys];
+                     if (permissions && [permissions isKindOfClass:[NSArray class]]) {
+                         [session refreshPermissions:permissions];
+                     }
+                 }
+             }
+         }];
+    [request release];
+}
+
+// Helper method to map a request to its metadata instance.
+- (FBRequestMetadata *) getRequestMetadata:(FBRequest *)request {
+    for (FBRequestMetadata *metadata in self.requests) {
+        if (metadata.request == request) {
+            return metadata;
+        }
+    }
+    return nil;
+}
+
+#pragma mark Debugging helpers
+
+- (NSString*)description {
+    NSMutableString *result = [NSMutableString stringWithFormat:@"<%@: %p, %lu request(s): (\n",
+                               NSStringFromClass([self class]), 
+                               self,
+                               (unsigned long)self.requests.count];
+    BOOL comma = NO;
+    for (FBRequestMetadata *metadata in self.requests) {
+        FBRequest *request = metadata.request;
+        if (comma) {
+            [result appendString:@",\n"];
+        }
+        [result appendString:[request description]];
+        comma = YES;
+    }
+    [result appendString:@"\n)>"];
+    return result;
+   
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.h b/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.h
new file mode 100644
index 0000000..6157217
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequestConnection.h"
+#import "FBRequestMetadata.h"
+#import "FBSession.h"
+
+typedef enum {
+    // The normal retry state where we will perform retries.
+    FBRequestConnectionRetryManagerStateNormal,
+    
+    // Indicates retries are aborted, so the user supplied handlers should be invoked.
+    FBRequestConnectionRetryManagerStateAbortRetries,
+    
+    // Indicates we are going to repair the session, which implies that retries are aborted
+    // and supplied handlers are NOT invoked since they will be evaluated after the
+    // repair operation is executed.
+    FBRequestConnectionRetryManagerStateRepairSession
+} FBRequestConnectionRetryManagerState;
+
+// Internal class for tracking retries for a given FBRequestConnection
+//   Essentially this helps FBRequestConnection support a two phase approach
+//   to processing its request handlers. The first pass is the normal
+//   loop over the request handlers. The handlers then have the opportunity
+//   to passage messages to this RetryManager (typically `addRequestMetadata`
+//   to queue a request for the second phase, or update the state for more complex
+//   scenarios like repairing a session).
+// Then the second phase executes and will eventually (possibly after an
+//   attempt to repair the session) invoke the queued handlers.
+// Thus, this class has the unfortunate responsibility of keeping state
+//   between handlers.
+@interface FBRequestConnectionRetryManager : NSObject
+
+// This is like a delegate pattern in that this is a weak reference to the
+// "parent" FBRequestConnection since we expect the parent to have a strong
+// reference to this RetryManager instance.
+@property (nonatomic, unsafe_unretained) FBRequestConnection *requestConnection;
+
+// See above enum.
+@property (nonatomic, assign) FBRequestConnectionRetryManagerState state;
+
+// It's possible for a batch of FBRequests to use different session instances.
+// For now, we only support reconnecting one session instance (especially since
+// the UX would probably be broken to login twice). This property tracks the
+// session that has been identified for reconnecting and is assigned at runtime
+// when the first FBRequest with the reconnecting behavior is encountered
+@property (nonatomic, retain) FBSession* sessionToReconnect;
+
+// A message that can be shown to the user before executing the retry batch.
+@property (nonatomic, copy) NSString* alertMessage;
+
+-(id) initWithFBRequestConnection:(FBRequestConnection *)requestConnection;
+
+// The main method to invoke the retry batch; it also checks alertMessage
+// to possibly present an alertview.
+-(void) performRetries;
+
+// Add a request to the retry batch.
+-(void) addRequestMetadata:(FBRequestMetadata *)metadata;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.m b/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.m
new file mode 100644
index 0000000..17d10da
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestConnectionRetryManager.m
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/NSThread.h>
+
+#import "FBRequestConnectionRetryManager.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBRequest+Internal.h"
+#import "FBSession+Internal.h"
+#import "FBUtility.h"
+
+// An INTERNAL "light-weight" structure for presenting an alertview and assigning a completion block to call after
+// the alert has been dismissed. The alert will be dispatched to the main queue. The callback will also be dispatched
+// to the the main thread after the alert has been dismissed.
+@interface FBRequestConnectionRetryManagerAlertViewHelper : NSObject<UIAlertViewDelegate>
+
+-(void) show:(NSString *)title message:(NSString *)message cancelButtonTitle:(NSString *)cancelButtonTitle
+     handler:(void(^)(void)) callback;
+
+@end
+
+@interface FBRequestConnectionRetryManagerAlertViewHelper()
+
+@property (nonatomic, copy) void(^callback)(void);
+
+@end
+
+@implementation FBRequestConnectionRetryManagerAlertViewHelper
+
+// Note this may require refactoring if you plan on presenting multiple dialogs.
+-(void) show:(NSString *)title message:(NSString *)message cancelButtonTitle:(NSString *)cancelButtonTitle
+    handler:(void(^)(void)) callback {
+
+    self.callback = callback;
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[[UIAlertView alloc] initWithTitle:title message:message delegate:self cancelButtonTitle:cancelButtonTitle otherButtonTitles:nil] show];
+    });
+}
+
+-(void) alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
+    if (self.callback) {
+        dispatch_async(dispatch_get_main_queue(), self.callback);
+    }
+}
+
+-(void) dealloc {
+    self.callback = nil;
+    
+    [super dealloc];
+}
+@end
+
+@interface FBRequestConnectionRetryManager()
+
+@property (nonatomic, retain) NSMutableArray *requestMetadatas;
+@property (nonatomic, retain) FBRequestConnectionRetryManagerAlertViewHelper *alertViewHelper;
+
+@end
+
+
+@implementation FBRequestConnectionRetryManager
+
+-(id) initWithFBRequestConnection:(FBRequestConnection *)requestConnection {
+    if (self = [super init]){
+        self.requestConnection = requestConnection;
+        _requestMetadatas = [[NSMutableArray alloc] init];
+        _alertViewHelper = [[FBRequestConnectionRetryManagerAlertViewHelper alloc] init];
+    }
+    return self;
+}
+
+-(void) addRequestMetadata:(FBRequestMetadata *)metadata {
+    [self.requestMetadatas addObject:metadata];
+}
+
+-(void) performRetries {
+    if (self.alertMessage.length > 0) {
+        [_requestConnection retain];
+        NSString *buttonText = [FBUtility localizedStringForKey:@"FBE:AlertMessageButton" withDefault:@"OK"];
+        [self.alertViewHelper show:nil message:self.alertMessage cancelButtonTitle:buttonText
+                      handler:^{
+                                  self.alertMessage = nil;
+                                  [self performRetries];
+                                  [_requestConnection release];
+                             }];
+        return;
+    }
+    
+    if (self.requestMetadatas.count > 0) {
+        switch (self.state) {
+            case FBRequestConnectionRetryManagerStateNormal : {
+                FBRequestConnection *connectionToRetry = [[[FBRequestConnection alloc] initWithMetadata:self.requestMetadatas] autorelease];
+                [connectionToRetry start];
+                break;
+            }
+            case FBRequestConnectionRetryManagerStateAbortRetries : {
+                for (FBRequestMetadata *metadata in self.requestMetadatas) {
+                    [metadata invokeCompletionHandlerForConnection:self.requestConnection withResults:metadata.originalResult error:metadata.originalError];
+                }
+                break;
+            }
+            case FBRequestConnectionRetryManagerStateRepairSession : {
+                [_requestConnection retain];
+                NSThread *thread = self.sessionToReconnect.affinitizedThread ?: [NSThread mainThread];
+                FBSessionRequestPermissionResultHandler handler = [[^(FBSession *session, NSError *sessionError) {
+                    if (session.isOpen && !sessionError) {
+                        [self repairSuccess];
+                    } else {
+                        [self repairFailed];
+                    }
+                    [_requestConnection release];
+                } copy] autorelease];
+
+                [self.sessionToReconnect performSelector:@selector(repairWithHandler:) onThread:thread withObject:handler waitUntilDone:NO];
+                
+                break;
+            }
+        }
+    }
+}
+
+-(void) repairSuccess {
+    if (self.requestMetadatas.count > 0) {
+        // Construct new request connection and re-add the requests, but removing
+        // the "autoreconnect" behavior (though we still allow the simpler retry)
+        // and alerts (since those would have already been surfaced prior to the repair attempt).
+        FBRequestConnection *connectionToRetry = [[[FBRequestConnection alloc] init] autorelease];
+        connectionToRetry.errorBehavior = self.requestConnection.errorBehavior
+            & ~FBRequestConnectionErrorBehaviorReconnectSession
+            & ~FBRequestConnectionErrorBehaviorAlertUser;
+        for (FBRequestMetadata *metadata in self.requestMetadatas) {
+            metadata.request.canCloseSessionOnError = YES;
+            [connectionToRetry addRequest:metadata.request
+                        completionHandler:metadata.originalCompletionHandler
+                          batchParameters:metadata.batchParameters];
+        }
+        [connectionToRetry start];
+    }
+}
+
+-(void) repairFailed {
+    if (self.requestMetadatas.count > 0) {
+        for (FBRequestMetadata *metadata in self.requestMetadatas) {
+            // Since we were unable to repair the session, we will close it now since that is the existing behavior for
+            // errors that would have caused a repair attempt.
+            if (metadata.request.session.isOpen && !metadata.request.session.isRepairing) {
+                [metadata.request.session closeAndClearTokenInformation:metadata.originalError];
+            }
+            metadata.originalCompletionHandler(self.requestConnection, metadata.originalResult, metadata.originalError);
+        }
+    }
+}
+
+-(void) dealloc {
+    [_sessionToReconnect release];
+    [_alertMessage release];
+    [_requestMetadatas release];
+    [_alertViewHelper release];
+    
+    [super dealloc];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.h b/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.h
new file mode 100644
index 0000000..98fdeec
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.h
@@ -0,0 +1,18 @@
+
+#import "FBRequestConnection.h"
+
+// Internal only factory class to curry FBRequestHandlers to provide various
+// error handling behaviors. See `FBRequestConnection.errorBehavior`
+// and `FBRequestConnectionRetryManager` for details.
+
+// Essentially this currying approach offers the flexibility of chaining work internally while
+// maintaining the existing surface area of request handlers. In the future this could easily
+// be replaced by an actual Promises/Deferred framework (or even provide a responder object param
+// to the FBRequestHandler callback for even more extensibility)
+@interface FBRequestHandlerFactory : NSObject
+
++(FBRequestHandler) handlerThatRetries:(FBRequestHandler )handler forRequest:(FBRequest* )request;
++(FBRequestHandler) handlerThatReconnects:(FBRequestHandler )handler forRequest:(FBRequest* )request;
++(FBRequestHandler) handlerThatAlertsUser:(FBRequestHandler )handler forRequest:(FBRequest* )request;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.m b/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.m
new file mode 100644
index 0000000..dbc3f59
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestHandlerFactory.m
@@ -0,0 +1,146 @@
+
+#import <UIKit/UIKit.h>
+#import "FBAccessTokenData.h"
+#import "FBError.h"
+#import "FBErrorUtility+Internal.h"
+#import "FBRequest+Internal.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBRequestConnectionRetryManager.h"
+#import "FBRequestHandlerFactory.h"
+#import "FBRequestMetadata.h"
+#import "FBSession+Internal.h"
+#import "FBSystemAccountStoreAdapter.h"
+
+@implementation FBRequestHandlerFactory
+
+// These handlers should generally conform to the following pattern:
+// 1. Save any original errors/results to the metadata.
+// 2. Check the retryManager.state to determine if retry behavior should be aborted.
+// 3. Invoking the original handler if the retry condition is not met.
+// We (ab)use the retryManager to maintain any necessary state between handlers
+//  (such as an optional user facing alert message).
++(FBRequestHandler) handlerThatRetries:(FBRequestHandler )handler forRequest:(FBRequest* )request {
+    return [[^(FBRequestConnection *connection,
+               id result,
+               NSError *error){
+        FBRequestMetadata *metadata = [connection getRequestMetadata:request];
+        metadata.originalError = metadata.originalError ?: error;
+        metadata.originalResult = metadata.originalResult ?: result;
+
+        if (connection.retryManager.state != FBRequestConnectionRetryManagerStateAbortRetries
+            && error
+            && [FBErrorUtility errorCategoryForError:error] == FBErrorCategoryRetry) {
+            
+            if (metadata.retryCount < FBREQUEST_DEFAULT_MAX_RETRY_LIMIT) {
+                metadata.retryCount++;
+                [connection.retryManager addRequestMetadata:metadata];
+                return;
+            }
+        }
+        
+        // Otherwise, invoke the supplied handler
+        if (handler){
+            handler(connection, result, error);
+        }
+    } copy] autorelease];
+}
+
++(FBRequestHandler) handlerThatAlertsUser:(FBRequestHandler )handler forRequest:(FBRequest* )request {
+    return [[^(FBRequestConnection *connection,
+               id result,
+               NSError *error){
+        FBRequestMetadata *metadata = [connection getRequestMetadata:request];
+        metadata.originalError = metadata.originalError ?: error;
+        metadata.originalResult = metadata.originalResult ?: result;
+        NSString *message = [FBErrorUtility userMessageForError:error];
+        if (connection.retryManager.state != FBRequestConnectionRetryManagerStateAbortRetries
+            && message.length > 0) {
+
+            connection.retryManager.alertMessage = message;
+        }
+        
+        // In this case, always invoke the handler.
+        if (handler) {
+            handler(connection, result, error);
+        }
+        
+    } copy] autorelease];
+}
+
++(FBRequestHandler) handlerThatReconnects:(FBRequestHandler )handler forRequest:(FBRequest* )request {
+    // Defer closing of sessions for these kinds of requests.
+    request.canCloseSessionOnError = NO;
+    return [[^(FBRequestConnection *connection,
+               id result,
+               NSError *error){
+        FBRequestMetadata *metadata = [connection getRequestMetadata:request];
+        metadata.originalError = metadata.originalError ?: error;
+        metadata.originalResult = metadata.originalResult ?: result;
+
+        FBErrorCategory errorCategory = error ? [FBErrorUtility errorCategoryForError:error] : FBErrorCategoryInvalid;
+        if (connection.retryManager.state != FBRequestConnectionRetryManagerStateAbortRetries
+            && error
+            && errorCategory  == FBErrorCategoryAuthenticationReopenSession){
+            int code, subcode;
+            [FBErrorUtility fberrorGetCodeValueForError:error
+                                                  index:0
+                                                   code:&code
+                                                subcode:&subcode];
+            
+            // If the session has already been closed, we cannot repair.
+            BOOL canRepair = request.session.isOpen;
+            switch (subcode) {
+                case FBAuthSubcodeAppNotInstalled :
+                case FBAuthSubcodeUnconfirmedUser : canRepair = NO; break;
+            }
+            
+            if (canRepair) {
+                if (connection.retryManager.sessionToReconnect == nil) {
+                    connection.retryManager.sessionToReconnect = request.session;
+                }
+                
+                if (request.session.accessTokenData.loginType == FBSessionLoginTypeSystemAccount) {
+                    // For iOS 6, we also cannot reconnect disabled app sliders.
+                    // This has the side effect of not repairing sessions on a device
+                    // that has since removed the Facebook device account since we cannot distinguish
+                    // between a disabled slider versus no account set up (in the former, we do not
+                    // want to attempt FB App/Safari SSO).
+                    canRepair = [FBSystemAccountStoreAdapter sharedInstance].canRequestAccessWithoutUI;
+                }
+                
+                if (canRepair) {
+                    if (connection.retryManager.sessionToReconnect == nil) {
+                        connection.retryManager.sessionToReconnect = request.session;
+                    }
+                    
+                    // Only support reconnecting one session instance for a give request connection.
+                    if (connection.retryManager.sessionToReconnect == request.session) {
+                        
+                        connection.retryManager.sessionToReconnect = request.session;
+                        [connection.retryManager addRequestMetadata:metadata];
+                        
+                        connection.retryManager.state = FBRequestConnectionRetryManagerStateRepairSession;
+                        return;
+                    }
+                }
+            }
+        }
+
+        // Otherwise, invoke the supplied handler
+        if (handler){
+            // Since FBRequestConnection typically closes invalid sessions before invoking the supplied handler,
+            // we have to manually mimic that behavior here.
+            request.canCloseSessionOnError = YES;
+            if (errorCategory == FBErrorCategoryAuthenticationReopenSession){
+                [request.session closeAndClearTokenInformation:error];
+            }
+            
+            handler(connection, result, error);
+        }
+        
+    } copy] autorelease];
+}
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestMetadata.h b/Vendor/facebook-ios-sdk/src/FBRequestMetadata.h
new file mode 100644
index 0000000..309a8be
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestMetadata.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequestConnection.h"
+
+// Defines the maximum number of retries for the FBRequestConnectionErrorBehaviorRetry.
+extern const int FBREQUEST_DEFAULT_MAX_RETRY_LIMIT;
+
+// Internal only class to facilitate FBRequest processing, specifically
+// associating FBRequest and FBRequestHandler instances and necessary
+// data for retry processing.
+@interface FBRequestMetadata : NSObject
+
+@property (nonatomic, retain) FBRequest *request;
+@property (nonatomic, copy) FBRequestHandler completionHandler;
+@property (nonatomic, copy) NSDictionary *batchParameters;
+@property (nonatomic, assign) FBRequestConnectionErrorBehavior behavior;
+@property (nonatomic, copy) FBRequestHandler originalCompletionHandler;
+
+@property (nonatomic, assign) int retryCount;
+@property (nonatomic, retain) id originalResult;
+@property (nonatomic, retain) NSError* originalError;
+
+- (id) initWithRequest:(FBRequest *)request
+     completionHandler:(FBRequestHandler)handler
+       batchParameters:(NSDictionary *)batchParameters
+              behavior:(FBRequestConnectionErrorBehavior) behavior;
+
+- (void)invokeCompletionHandlerForConnection:(FBRequestConnection *)connection
+                                 withResults:(id)results
+                                       error:(NSError *)error;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBRequestMetadata.m b/Vendor/facebook-ios-sdk/src/FBRequestMetadata.m
new file mode 100644
index 0000000..c8772a8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBRequestMetadata.m
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequest+Internal.h"
+#import "FBRequestMetadata.h"
+#import "FBRequestHandlerFactory.h"
+
+const int FBREQUEST_DEFAULT_MAX_RETRY_LIMIT = 1;
+
+@implementation FBRequestMetadata
+
+- (id) initWithRequest:(FBRequest *)request
+     completionHandler:(FBRequestHandler)handler
+       batchParameters:(NSDictionary *)batchParameters
+              behavior:(FBRequestConnectionErrorBehavior) behavior {
+    
+    if ((self = [super init])) {
+        _request = [request retain];
+        _originalCompletionHandler = [handler copy];
+        _batchParameters = [batchParameters copy];
+        _behavior = behavior;
+        
+        // Only consider retry handlers if the request has enabled canCloseSessionOnError.
+        // We are essentially reusing that flag to identify implicit requests, and we
+        // don't want implicit requests to trigger retries.
+        if (request.canCloseSessionOnError) {
+            // Note the order of composing these retry handlers is significant and
+            // is like a stack (last wrapping handler is invoked first).
+            if (behavior & FBRequestConnectionErrorBehaviorReconnectSession) {
+                handler = [FBRequestHandlerFactory handlerThatReconnects:handler forRequest:request];
+            }
+            if (behavior & FBRequestConnectionErrorBehaviorAlertUser) {
+                handler = [FBRequestHandlerFactory handlerThatAlertsUser:handler forRequest:request];
+            }
+            if (behavior & FBRequestConnectionErrorBehaviorRetry) {
+                handler = [FBRequestHandlerFactory handlerThatRetries:handler forRequest:request];
+            }
+        }
+
+        
+        self.completionHandler = handler;
+    }
+    return self;
+}
+
+- (void) dealloc {
+    [_request release];
+    [_completionHandler release];
+    [_batchParameters release];
+    [_originalCompletionHandler release];
+    [_originalResult release];
+    [_originalError release];
+    
+    [super dealloc];
+}
+
+- (void)invokeCompletionHandlerForConnection:(FBRequestConnection *)connection
+                                 withResults:(id)results
+                                       error:(NSError *)error {
+    if (self.completionHandler) {
+        self.completionHandler(connection, results, error);
+    }
+}
+
+- (NSString*)description {
+    return [NSString stringWithFormat:@"<%@: %p, batchParameters: %@, completionHandler: %p, request: %@>",
+            NSStringFromClass([self class]),
+            self,
+            self.batchParameters,
+            self.completionHandler,
+            self.request.description];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSDKVersion.h b/Vendor/facebook-ios-sdk/src/FBSDKVersion.h
new file mode 100644
index 0000000..b6f90fd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSDKVersion.h
@@ -0,0 +1,3 @@
+// Note the versioning string has moved to the public FacebookSDK.h
+#define FB_IOS_SDK_MIGRATION_BUNDLE @"fbsdk:20130912"
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSession+FBSessionLoginStrategy.h b/Vendor/facebook-ios-sdk/src/FBSession+FBSessionLoginStrategy.h
new file mode 100644
index 0000000..f3ad8bb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSession+FBSessionLoginStrategy.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+
+// A category on FBSession to declare members that FBSessionLoginStrategy
+// implementations needs access to (aka "friend" access).
+@interface FBSession (FBSessionLoginStrategy)
+
+- (void)authorizeUsingSystemAccountStore:(NSArray*)permissions
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                           isReauthorize:(BOOL)isReauthorize;
+- (FBAppCall *)authorizeUsingFacebookNativeLoginWithPermissions:(NSArray*)permissions
+                                                defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                                    clientState:(NSDictionary *)clientState;
+- (BOOL)isURLSchemeRegistered;
+- (NSString *)jsonClientStateWithDictionary:(NSDictionary *)dictionary;
+- (void)retryableAuthorizeWithPermissions:(NSArray*)permissions
+                          defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                           integratedAuth:(BOOL)tryIntegratedAuth
+                                FBAppAuth:(BOOL)tryFBAppAuth
+                               safariAuth:(BOOL)trySafariAuth
+                                 fallback:(BOOL)tryFallback
+                            isReauthorize:(BOOL)isReauthorize
+                      canFetchAppSettings:(BOOL)canFetchAppSettings;
+- (BOOL)authorizeUsingFacebookApplication:(NSMutableDictionary *)params;
+- (BOOL)authorizeUsingSafari:(NSMutableDictionary *)params;
+- (void)setLoginTypeOfPendingOpenUrlCallback:(FBSessionLoginType) loginType;
+- (void)authorizeUsingLoginDialog:(NSMutableDictionary *)params;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSession+Internal.h b/Vendor/facebook-ios-sdk/src/FBSession+Internal.h
new file mode 100644
index 0000000..2711e97
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSession+Internal.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSession.h"
+#import "FBSystemAccountStoreAdapter.h"
+#import "FBSessionAppEventsState.h"
+
+extern NSString *const FBLoginUXClientState;
+extern NSString *const FBLoginUXClientStateIsClientState;
+extern NSString *const FBLoginUXClientStateIsOpenSession;
+extern NSString *const FBLoginUXClientStateIsActiveSession;
+
+extern NSString *const FBInnerErrorObjectKey;
+
+extern NSString *const FacebookNativeApplicationLoginDomain;
+
+@interface FBSession (Internal)
+
+@property(readonly) FBSessionDefaultAudience lastRequestedSystemAudience;
+@property(readonly, retain) FBSessionAppEventsState *appEventsState;
+@property(readonly) NSThread *affinitizedThread;
+@property(atomic, readonly) BOOL isRepairing;
+
+- (void)refreshAccessToken:(NSString*)token expirationDate:(NSDate*)expireDate;
+- (BOOL)shouldExtendAccessToken;
+- (BOOL)shouldRefreshPermissions;
+- (void)refreshPermissions:(NSArray *)permissions;
+- (void)closeAndClearTokenInformation:(NSError*) error;
+- (void)clearAffinitizedThread;
+
++ (FBSession*)activeSessionIfExists;
+
++ (FBSession*)activeSessionIfOpen;
+
+- (NSError*)errorLoginFailedWithReason:(NSString*)errorReason
+                             errorCode:(NSString*)errorCode
+                            innerError:(NSError*)innerError;
+
+- (BOOL)openFromAccessTokenData:(FBAccessTokenData *)accessTokenData
+              completionHandler:(FBSessionStateHandler) handler
+   raiseExceptionIfInvalidState:(BOOL)raiseException;
+
++ (NSError *)sdkSurfacedErrorForNativeLoginError:(NSError *)nativeLoginError;
+
+- (void)repairWithHandler:(FBSessionRequestPermissionResultHandler) handler;
+
++ (BOOL)openActiveSessionWithPermissions:(NSArray*)permissions
+                            allowLoginUI:(BOOL)allowLoginUI
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                       completionHandler:(FBSessionStateHandler)handler;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSession+Protected.h b/Vendor/facebook-ios-sdk/src/FBSession+Protected.h
new file mode 100644
index 0000000..0572d27
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSession+Protected.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSession.h"
+
+// Methods here are meant to be used only by internal subclasses of FBSession
+// and not by any other classes, external or internal.
+@interface FBSession (Protected)
+
+// Permissions are technically associated with a FBAccessTokenData instance
+// but we support initializing an FBSession before acquiring a token. This property
+// tracks that initialized array so that the pass-through permissions property
+// can essentially return self.FBAccessTokenData.permissions ?: self.initializedPermissions
+@property(readonly, copy) NSArray *initializedPermissions;
+
+- (BOOL)transitionToState:(FBSessionState)state
+      withAccessTokenData:(FBAccessTokenData *)tokenData
+              shouldCache:(BOOL)shouldCache;
+- (void)transitionAndCallHandlerWithState:(FBSessionState)status
+                                    error:(NSError*)error
+                                tokenData:(FBAccessTokenData *)tokenData
+                              shouldCache:(BOOL)shouldCache;
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                        behavior:(FBSessionLoginBehavior)behavior
+                 defaultAudience:(FBSessionDefaultAudience)audience
+                   isReauthorize:(BOOL)isReauthorize;
+- (BOOL)handleReauthorize:(NSDictionary*)parameters
+              accessToken:(NSString*)accessToken;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSession.h b/Vendor/facebook-ios-sdk/src/FBSession.h
new file mode 100644
index 0000000..531fb07
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSession.h
@@ -0,0 +1,772 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <Accounts/Accounts.h>
+
+// up-front decl's
+@class FBSession;
+@class FBSessionTokenCachingStrategy;
+@class FBAccessTokenData;
+
+#define FB_SESSIONSTATETERMINALBIT (1 << 8)
+
+#define FB_SESSIONSTATEOPENBIT (1 << 9)
+
+/*
+ * Constants used by NSNotificationCenter for active session notification
+ */
+
+/*! NSNotificationCenter name indicating that a new active session was set */
+extern NSString *const FBSessionDidSetActiveSessionNotification;
+
+/*! NSNotificationCenter name indicating that an active session was unset */
+extern NSString *const FBSessionDidUnsetActiveSessionNotification;
+
+/*! NSNotificationCenter name indicating that the active session is open */
+extern NSString *const FBSessionDidBecomeOpenActiveSessionNotification;
+
+/*! NSNotificationCenter name indicating that there is no longer an open active session */
+extern NSString *const FBSessionDidBecomeClosedActiveSessionNotification;
+
+/*! 
+ @typedef FBSessionState enum
+ 
+ @abstract Passed to handler block each time a session state changes
+ 
+ @discussion
+ */
+typedef enum {
+    /*! One of two initial states indicating that no valid cached token was found */
+    FBSessionStateCreated                   = 0,
+    /*! One of two initial session states indicating that a cached token was loaded;
+     when a session is in this state, a call to open* will result in an open session,
+     without UX or app-switching*/
+    FBSessionStateCreatedTokenLoaded        = 1,
+    /*! One of three pre-open session states indicating that an attempt to open the session
+     is underway*/
+    FBSessionStateCreatedOpening            = 2,
+    
+    /*! Open session state indicating user has logged in or a cached token is available */
+    FBSessionStateOpen                      = 1 | FB_SESSIONSTATEOPENBIT,
+    /*! Open session state indicating token has been extended */
+    FBSessionStateOpenTokenExtended         = 2 | FB_SESSIONSTATEOPENBIT,
+    
+    /*! Closed session state indicating that a login attempt failed */
+    FBSessionStateClosedLoginFailed         = 1 | FB_SESSIONSTATETERMINALBIT, // NSError obj w/more info
+    /*! Closed session state indicating that the session was closed, but the users token 
+        remains cached on the device for later use */
+    FBSessionStateClosed                    = 2 | FB_SESSIONSTATETERMINALBIT, // "
+} FBSessionState;
+
+/*! helper macro to test for states that imply an open session */
+#define FB_ISSESSIONOPENWITHSTATE(state) (0 != (state & FB_SESSIONSTATEOPENBIT))
+
+/*! helper macro to test for states that are terminal */
+#define FB_ISSESSIONSTATETERMINAL(state) (0 != (state & FB_SESSIONSTATETERMINALBIT))
+
+/*! 
+ @typedef FBSessionLoginBehavior enum
+ 
+ @abstract 
+ Passed to open to indicate whether Facebook Login should allow for fallback to be attempted.
+ 
+ @discussion
+ Facebook Login authorizes the application to act on behalf of the user, using the user's 
+ Facebook account. Usually a Facebook Login will rely on an account maintained outside of 
+ the application, by the native Facebook application, the browser, or perhaps the device
+ itself. This avoids the need for a user to enter their username and password directly, and
+ provides the most secure and lowest friction way for a user to authorize the application to
+ interact with Facebook. If a Facebook Login is not possible, a fallback Facebook Login may be 
+ attempted, where the user is prompted to enter their credentials in a web-view hosted directly
+ by the application. 
+ 
+ The `FBSessionLoginBehavior` enum specifies whether to allow fallback, disallow fallback, or
+ force fallback login behavior. Most applications will use the default, which attempts a normal
+ Facebook Login, and only falls back if needed. In rare cases, it may be preferable to disallow
+ fallback Facebook Login completely, or to force a fallback login.
+ */
+typedef enum {
+    /*! Attempt Facebook Login, ask user for credentials if necessary */
+    FBSessionLoginBehaviorWithFallbackToWebView      = 0,
+    /*! Attempt Facebook Login, no direct request for credentials will be made */
+    FBSessionLoginBehaviorWithNoFallbackToWebView    = 1,
+    /*! Only attempt WebView Login; ask user for credentials */
+    FBSessionLoginBehaviorForcingWebView             = 2,
+    /*! Attempt Facebook Login, prefering system account and falling back to fast app switch if necessary */
+    FBSessionLoginBehaviorUseSystemAccountIfPresent  = 3,
+} FBSessionLoginBehavior;
+
+/*!
+ @typedef FBSessionDefaultAudience enum
+ 
+ @abstract
+ Passed to open to indicate which default audience to use for sessions that post data to Facebook.
+ 
+ @discussion
+ Certain operations such as publishing a status or publishing a photo require an audience. When the user
+ grants an application permission to perform a publish operation, a default audience is selected as the 
+ publication ceiling for the application. This enumerated value allows the application to select which
+ audience to ask the user to grant publish permission for.
+ */
+typedef enum {
+    /*! No audience needed; this value is useful for cases where data will only be read from Facebook */
+    FBSessionDefaultAudienceNone                = 0,
+    /*! Indicates that only the user is able to see posts made by the application */
+    FBSessionDefaultAudienceOnlyMe              = 10,
+    /*! Indicates that the user's friends are able to see posts made by the application */
+    FBSessionDefaultAudienceFriends             = 20,
+    /*! Indicates that all Facebook users are able to see posts made by the application */
+    FBSessionDefaultAudienceEveryone            = 30,
+} FBSessionDefaultAudience;
+
+/*!
+ @typedef FBSessionLoginType enum
+ 
+ @abstract
+ Used as the type of the loginType property in order to specify what underlying technology was used to
+ login the user.
+ 
+ @discussion
+ The FBSession object is an abstraction over five distinct mechanisms. This enum allows an application
+ to test for the mechanism used by a particular instance of FBSession. Usually the mechanism used for a
+ given login does not matter, however for certain capabilities, the type of login can impact the behavior
+ of other Facebook functionality.
+ */
+typedef enum {
+    /*! A login type has not yet been established */
+    FBSessionLoginTypeNone                      = 0,
+    /*! A system integrated account was used to log the user into the application */
+    FBSessionLoginTypeSystemAccount             = 1,
+    /*! The Facebook native application was used to log the user into the application */
+    FBSessionLoginTypeFacebookApplication       = 2,
+    /*! Safari was used to log the user into the application */
+    FBSessionLoginTypeFacebookViaSafari         = 3,
+    /*! A web view was used to log the user into the application */
+    FBSessionLoginTypeWebView                   = 4,
+    /*! A test user was used to create an open session */
+    FBSessionLoginTypeTestUser                  = 5,
+} FBSessionLoginType;
+
+/*! 
+ @typedef
+ 
+ @abstract Block type used to define blocks called by <FBSession> for state updates
+ @discussion See https://developers.facebook.com/docs/technical-guides/iossdk/errors/
+  for error handling best practices.
+ 
+  Requesting additional permissions inside this handler (such as by calling
+  `requestNewPublishPermissions`) should be avoided because it is a poor user
+  experience and its behavior may vary depending on the login type. You should
+  request the permissions closer to the operation that requires it (e.g., when
+  the user performs some action).
+ */
+typedef void (^FBSessionStateHandler)(FBSession *session, 
+                                       FBSessionState status, 
+                                       NSError *error);
+
+/*!
+ @typedef
+ 
+ @abstract Block type used to define blocks called by <[FBSession requestNewReadPermissions:completionHandler:]>
+ and <[FBSession requestNewPublishPermissions:defaultAudience:completionHandler:]>.
+ 
+ @discussion See https://developers.facebook.com/docs/technical-guides/iossdk/errors/
+ for error handling best practices.
+ 
+ Requesting additional permissions inside this handler (such as by calling
+ `requestNewPublishPermissions`) should be avoided because it is a poor user
+ experience and its behavior may vary depending on the login type. You should
+ request the permissions closer to the operation that requires it (e.g., when
+ the user performs some action).
+ */
+typedef void (^FBSessionRequestPermissionResultHandler)(FBSession *session,
+                                                        NSError *error);
+
+/*!
+ @typedef
+ 
+ @abstract Block type used to define blocks called by <[FBSession reauthorizeWithPermissions]>.
+ 
+ @discussion You should use the preferred FBSessionRequestPermissionHandler typedef rather than 
+ this synonym, which has been deprecated.
+ */
+typedef FBSessionRequestPermissionResultHandler FBSessionReauthorizeResultHandler __attribute__((deprecated));
+
+/*!
+ @typedef
+ 
+ @abstract Block type used to define blocks called for system credential renewals.
+ @discussion
+ */
+typedef void (^FBSessionRenewSystemCredentialsHandler)(ACAccountCredentialRenewResult result, NSError *error) ;
+
+/*!
+ @class FBSession
+
+ @abstract
+ The `FBSession` object is used to authenticate a user and manage the user's session. After
+ initializing a `FBSession` object the Facebook App ID and desired permissions are stored. 
+ Opening the session will initiate the authentication flow after which a valid user session
+ should be available and subsequently cached. Closing the session can optionally clear the
+ cache.
+ 
+ If an  <FBRequest> request requires user authorization then an `FBSession` object should be used.
+
+ 
+ @discussion
+ Instances of the `FBSession` class provide notification of state changes in the following ways:
+ 
+ 1. Callers of certain `FBSession` methods may provide a block that will be called
+ back in the course of state transitions for the session (e.g. login or session closed).
+ 
+ 2. The object supports Key-Value Observing (KVO) for property changes.
+ */
+@interface FBSession : NSObject
+
+/*!
+ @methodgroup Creating a session
+ */
+
+/*!
+ @method
+
+ @abstract 
+ Returns a newly initialized Facebook session with default values for the parameters
+ to <initWithAppID:permissions:urlSchemeSuffix:tokenCacheStrategy:>.
+ */
+- (id)init;
+
+/*!
+ @method
+ 
+ @abstract
+ Returns a newly initialized Facebook session with the specified permissions and other
+ default values for parameters to <initWithAppID:permissions:urlSchemeSuffix:tokenCacheStrategy:>.
+ 
+ @param permissions  An array of strings representing the permissions to request during the
+ authentication flow. The basic_info permission must be explicitly requested at first login, and is no 
+ longer inferred, (subject to an active migration.) The default is nil.
+ 
+ @discussion
+ It is required that any single permission request request (including initial log in) represent read-only permissions
+ or publish permissions only; not both. The permissions passed here should reflect this requirement.
+
+ */
+- (id)initWithPermissions:(NSArray*)permissions;
+
+/*!
+ @method
+ 
+ @abstract
+ Following are the descriptions of the arguments along with their
+ defaults when ommitted.
+ 
+ @param permissions  An array of strings representing the permissions to request during the
+ authentication flow. The basic_info permission must be explicitly requested at first login, and is no longer inferred, (subject to an active migration.) The default is nil.
+ @param appID  The Facebook App ID for the session. If nil is passed in the default App ID will be obtained from a call to <[FBSession defaultAppID]>. The default is nil.
+ @param urlSchemeSuffix  The URL Scheme Suffix to be used in scenarious where multiple iOS apps use one Facebook App ID. A value of nil indicates that this information should be pulled from [FBSettings defaultUrlSchemeSuffix]. The default is nil.
+ @param tokenCachingStrategy Specifies a key name to use for cached token information in NSUserDefaults, nil
+ indicates a default value of @"FBAccessTokenInformationKey".
+ 
+ @discussion
+ It is required that any single permission request request (including initial log in) represent read-only permissions
+ or publish permissions only; not both. The permissions passed here should reflect this requirement.
+ */
+- (id)initWithAppID:(NSString*)appID
+        permissions:(NSArray*)permissions
+    urlSchemeSuffix:(NSString*)urlSchemeSuffix
+ tokenCacheStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy;
+
+/*!
+ @method
+ 
+ @abstract
+ Following are the descriptions of the arguments along with their 
+ defaults when ommitted.
+ 
+ @param permissions  An array of strings representing the permissions to request during the
+ authentication flow. The basic_info permission must be explicitly requested at first login, and is no longer inferred, (subject to an active migration.) The default is nil.
+ @param defaultAudience  Most applications use FBSessionDefaultAudienceNone here, only specifying an audience when using reauthorize to request publish permissions.
+ @param appID  The Facebook App ID for the session. If nil is passed in the default App ID will be obtained from a call to <[FBSession defaultAppID]>. The default is nil.
+ @param urlSchemeSuffix  The URL Scheme Suffix to be used in scenarious where multiple iOS apps use one Facebook App ID. A value of nil indicates that this information should be pulled from [FBSettings defaultUrlSchemeSuffix]. The default is nil.
+ @param tokenCachingStrategy Specifies a key name to use for cached token information in NSUserDefaults, nil
+ indicates a default value of @"FBAccessTokenInformationKey".
+ 
+ @discussion
+ It is required that any single permission request request (including initial log in) represent read-only permissions
+ or publish permissions only; not both. The permissions passed here should reflect this requirement. If publish permissions
+ are used, then the audience must also be specified.
+ */
+- (id)initWithAppID:(NSString*)appID
+        permissions:(NSArray*)permissions
+    defaultAudience:(FBSessionDefaultAudience)defaultAudience
+    urlSchemeSuffix:(NSString*)urlSchemeSuffix
+ tokenCacheStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy;
+
+// instance readonly properties         
+
+/*! @abstract Indicates whether the session is open and ready for use. */
+@property(readonly) BOOL isOpen;                      
+
+/*! @abstract Detailed session state */
+@property(readonly) FBSessionState state;              
+
+/*! @abstract Identifies the Facebook app which the session object represents. */
+@property(readonly, copy) NSString *appID;              
+
+/*! @abstract Identifies the URL Scheme Suffix used by the session. This is used when multiple iOS apps share a single Facebook app ID. */
+@property(readonly, copy) NSString *urlSchemeSuffix;    
+
+/*! @abstract The access token for the session object. 
+    @discussion Deprecated. Use the `accessTokenData` property. */
+@property(readonly, copy) NSString *accessToken
+__attribute__((deprecated));
+
+/*! @abstract The expiration date of the access token for the session object. 
+    @discussion Deprecated. Use the `accessTokenData` property. */
+@property(readonly, copy) NSDate *expirationDate
+__attribute__((deprecated));
+
+/*! @abstract The permissions granted to the access token during the authentication flow. */
+@property(readonly, copy) NSArray *permissions;
+
+/*! @abstract Specifies the login type used to authenticate the user. 
+    @discussion Deprecated. Use the `accessTokenData` property. */
+@property(readonly) FBSessionLoginType loginType
+__attribute__((deprecated));
+
+/*! @abstract Gets the FBAccessTokenData for the session */
+@property(readonly, copy) FBAccessTokenData *accessTokenData;
+
+/*!
+ @methodgroup Instance methods
+ */
+
+/*! 
+ @method
+
+ @abstract Opens a session for the Facebook.
+
+ @discussion
+ A session may not be used with <FBRequest> and other classes in the SDK until it is open. If, prior 
+ to calling open, the session is in the <FBSessionStateCreatedTokenLoaded> state, then no UX occurs, and 
+ the session becomes available for use. If the session is in the <FBSessionStateCreated> state, prior
+ to calling open, then a call to open causes login UX to occur, either via the Facebook application
+ or via mobile Safari.
+ 
+ Open may be called at most once and must be called after the `FBSession` is initialized. Open must
+ be called before the session is closed. Calling an open method at an invalid time will result in
+ an exception. The open session methods may be passed a block that will be called back when the session
+ state changes. The block will be released when the session is closed.
+
+ @param handler A block to call with the state changes. The default is nil.
+*/
+- (void)openWithCompletionHandler:(FBSessionStateHandler)handler;
+
+/*! 
+ @method
+ 
+ @abstract Logs a user on to Facebook.
+ 
+ @discussion
+ A session may not be used with <FBRequest> and other classes in the SDK until it is open. If, prior 
+ to calling open, the session is in the <FBSessionStateCreatedTokenLoaded> state, then no UX occurs, and 
+ the session becomes available for use. If the session is in the <FBSessionStateCreated> state, prior
+ to calling open, then a call to open causes login UX to occur, either via the Facebook application
+ or via mobile Safari.
+ 
+ The method may be called at most once and must be called after the `FBSession` is initialized. It must
+ be called before the session is closed. Calling the method at an invalid time will result in
+ an exception. The open session methods may be passed a block that will be called back when the session
+ state changes. The block will be released when the session is closed.
+ 
+ @param behavior Controls whether to allow, force, or prohibit Facebook Login or Inline Facebook Login. The default
+ is to allow Facebook Login, with fallback to Inline Facebook Login.
+ @param handler A block to call with session state changes. The default is nil.
+ */
+- (void)openWithBehavior:(FBSessionLoginBehavior)behavior
+       completionHandler:(FBSessionStateHandler)handler;
+
+/*!
+ @method
+ 
+ @abstract Imports an existing access token and opens the session with it.
+ 
+ @discussion
+ The method attempts to open the session using an existing access token. No UX will occur. If 
+ successful, the session with be in an Open state and the method will return YES; otherwise, NO.
+ 
+ The method may be called at most once and must be called after the `FBSession` is initialized (see below).
+ It must be called before the session is closed. Calling the method at an invalid time will result in
+ an exception. The open session methods may be passed a block that will be called back when the session
+ state changes. The block will be released when the session is closed.
+ 
+ The initialized session must not have already been initialized from a cache (for example, you could use
+ the `[FBSessionTokenCachingStrategy nullCacheInstance]` instance). 
+ 
+ @param accessTokenData The token data. See `FBAccessTokenData` for construction methods.
+ @param handler A block to call with session state changes. The default is nil.
+ */
+- (BOOL)openFromAccessTokenData:(FBAccessTokenData *)accessTokenData completionHandler:(FBSessionStateHandler) handler;
+
+/*!
+ @abstract
+ Closes the local in-memory session object, but does not clear the persisted token cache.
+ */
+- (void)close;
+
+/*!
+ @abstract
+ Closes the in-memory session, and clears any persisted cache related to the session.
+*/
+- (void)closeAndClearTokenInformation;
+
+/*!
+ @abstract
+ Reauthorizes the session, with additional permissions.
+ 
+ @param permissions An array of strings representing the permissions to request during the
+ authentication flow. A value of nil indicates basic permissions. The default is nil.
+ @param behavior Controls whether to allow, force, or prohibit Facebook Login. The default
+ is to allow Facebook Login and fall back to Inline Facebook Login if needed.
+ @param handler A block to call with session state changes. The default is nil.
+ 
+ @discussion Methods and properties that specify permissions without a read or publish
+ qualification are deprecated; use of a read-qualified or publish-qualified alternative is preferred
+ (e.g. reauthorizeWithReadPermissions or reauthorizeWithPublishPermissions)
+ */
+- (void)reauthorizeWithPermissions:(NSArray*)permissions
+                          behavior:(FBSessionLoginBehavior)behavior
+                 completionHandler:(FBSessionReauthorizeResultHandler)handler
+ __attribute__((deprecated));
+
+/*!
+ @abstract
+ Reauthorizes the session, with additional permissions.
+ 
+ @param readPermissions An array of strings representing the permissions to request during the
+ authentication flow. A value of nil indicates basic permissions.
+ 
+ @param handler A block to call with session state changes. The default is nil.
+ 
+ @discussion This method is a deprecated alias of <[FBSession requestNewReadPermissions:completionHandler:]>. Consider
+ using <[FBSession requestNewReadPermissions:completionHandler:]>, which is preferred for readability.
+ */
+- (void)reauthorizeWithReadPermissions:(NSArray*)readPermissions
+                     completionHandler:(FBSessionReauthorizeResultHandler)handler
+__attribute__((deprecated));
+
+/*!
+ @abstract
+ Reauthorizes the session, with additional permissions.
+  
+ @param writePermissions An array of strings representing the permissions to request during the
+ authentication flow.
+ 
+ @param defaultAudience Specifies the audience for posts.
+ 
+ @param handler A block to call with session state changes. The default is nil.
+ 
+ @discussion This method is a deprecated alias of <[FBSession requestNewPublishPermissions:defaultAudience:completionHandler:]>.
+ Consider using <[FBSession requestNewPublishPermissions:defaultAudience:completionHandler:]>, which is preferred for readability.
+ */
+- (void)reauthorizeWithPublishPermissions:(NSArray*)writePermissions
+                          defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                        completionHandler:(FBSessionReauthorizeResultHandler)handler
+__attribute__((deprecated));
+
+/*!
+ @abstract
+ Requests new or additional read permissions for the session.
+ 
+ @param readPermissions An array of strings representing the permissions to request during the
+ authentication flow. A value of nil indicates basic permissions.
+ 
+ @param handler A block to call with session state changes. The default is nil.
+ 
+ @discussion The handler, if non-nil, is called once the operation has completed or failed. This is in contrast to the
+ state completion handler used in <[FBSession openWithCompletionHandler:]> (and other `open*` methods) which is called 
+ for each state-change for the session.
+ */
+- (void)requestNewReadPermissions:(NSArray*)readPermissions
+                completionHandler:(FBSessionRequestPermissionResultHandler)handler;
+
+/*!
+ @abstract
+ Requests new or additional write permissions for the session.
+ 
+ @param writePermissions An array of strings representing the permissions to request during the
+ authentication flow.
+ 
+ @param defaultAudience Specifies the audience for posts.
+ 
+ @param handler A block to call with session state changes. The default is nil.
+ 
+ @discussion The handler, if non-nil, is called once the operation has completed or failed. This is in contrast to the
+ state completion handler used in <[FBSession openWithCompletionHandler:]> (and other `open*` methods) which is called 
+ for each state-change for the session.
+ */
+- (void)requestNewPublishPermissions:(NSArray*)writePermissions
+                     defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                   completionHandler:(FBSessionRequestPermissionResultHandler)handler;
+
+/*!
+ @abstract
+ A helper method that is used to provide an implementation for
+ [UIApplicationDelegate application:openURL:sourceApplication:annotation:]. It should be invoked during
+ the Facebook Login flow and will update the session information based on the incoming URL.
+ 
+ @param url The URL as passed to [UIApplicationDelegate application:openURL:sourceApplication:annotation:].
+*/
+- (BOOL)handleOpenURL:(NSURL*)url;
+
+/*!
+ @abstract
+ A helper method that is used to provide an implementation for
+ [UIApplicationDelegate applicationDidBecomeActive:] to properly resolve session state for
+ the Facebook Login flow, specifically to support app-switch login.
+*/
+- (void)handleDidBecomeActive;
+
+/*!
+ @methodgroup Class methods
+ */
+
+/*!
+ @abstract
+ This is the simplest method for opening a session with Facebook. Using sessionOpen logs on a user,
+ and sets the static activeSession which becomes the default session object for any Facebook UI widgets
+ used by the application. This session becomes the active session, whether open succeeds or fails.
+ 
+ Note, if there is not a cached token available, this method will present UI to the user in order to 
+ open the session via explicit login by the user.
+ 
+ @param allowLoginUI    Sometimes it is useful to attempt to open a session, but only if
+ no login UI will be required to accomplish the operation. For example, at application startup it may not 
+ be disirable to transition to login UI for the user, and yet an open session is desired so long as a cached
+ token can be used to open the session. Passing NO to this argument, assures the method will not present UI
+ to the user in order to open the session.
+ 
+ @discussion
+ Returns YES if the session was opened synchronously without presenting UI to the user. This occurs
+ when there is a cached token available from a previous run of the application. If NO is returned, this indicates 
+ that the session was not immediately opened, via cache. However, if YES was passed as allowLoginUI, then it is 
+ possible that the user will login, and the session will become open asynchronously. The primary use for
+ this return value is to switch-on facebook capabilities in your UX upon startup, in the case where the session
+ is opened via cache.
+ */
++ (BOOL)openActiveSessionWithAllowLoginUI:(BOOL)allowLoginUI;
+
+/*!
+ @abstract
+ This is a simple method for opening a session with Facebook. Using sessionOpen logs on a user,
+ and sets the static activeSession which becomes the default session object for any Facebook UI widgets
+ used by the application. This session becomes the active session, whether open succeeds or fails.
+ 
+ @param permissions     An array of strings representing the permissions to request during the
+ authentication flow. A value of nil indicates basic permissions. A nil value specifies 
+ default permissions.
+  
+ @param allowLoginUI    Sometimes it is useful to attempt to open a session, but only if
+ no login UI will be required to accomplish the operation. For example, at application startup it may not 
+ be desirable to transition to login UI for the user, and yet an open session is desired so long as a cached
+ token can be used to open the session. Passing NO to this argument, assures the method will not present UI
+ to the user in order to open the session.
+
+ @param handler                 Many applications will benefit from notification when a session becomes invalid
+ or undergoes other state transitions. If a block is provided, the FBSession
+ object will call the block each time the session changes state.
+ 
+ @discussion
+ Returns true if the session was opened synchronously without presenting UI to the user. This occurs
+ when there is a cached token available from a previous run of the application. If NO is returned, this indicates 
+ that the session was not immediately opened, via cache. However, if YES was passed as allowLoginUI, then it is 
+ possible that the user will login, and the session will become open asynchronously. The primary use for
+ this return value is to switch-on facebook capabilities in your UX upon startup, in the case where the session
+ is opened via cache.
+ 
+ It is required that initial permissions requests represent read-only permissions only. If publish
+ permissions are needed, you may use reauthorizeWithPermissions to specify additional permissions as
+ well as an audience. Use of this method will result in a legacy fast-app-switch Facebook Login due to
+ the requirement to separate read and publish permissions for newer applications. Methods and properties
+ that specify permissions without a read or publish qualification are deprecated; use of a read-qualified 
+ or publish-qualified alternative is preferred.
+ */
++ (BOOL)openActiveSessionWithPermissions:(NSArray*)permissions
+                            allowLoginUI:(BOOL)allowLoginUI
+                       completionHandler:(FBSessionStateHandler)handler
+ __attribute__((deprecated));
+
+/*!
+ @abstract
+ This is a simple method for opening a session with Facebook. Using sessionOpen logs on a user,
+ and sets the static activeSession which becomes the default session object for any Facebook UI widgets
+ used by the application. This session becomes the active session, whether open succeeds or fails.
+ 
+ @param readPermissions     An array of strings representing the read permissions to request during the
+ authentication flow. The basic_info permission must be explicitly requested at first login, and is no longer 
+ inferred, (subject to an active migration.) It is not allowed to pass publish permissions to this method.
+ 
+ @param allowLoginUI    Sometimes it is useful to attempt to open a session, but only if
+ no login UI will be required to accomplish the operation. For example, at application startup it may not
+ be desirable to transition to login UI for the user, and yet an open session is desired so long as a cached
+ token can be used to open the session. Passing NO to this argument, assures the method will not present UI
+ to the user in order to open the session.
+ 
+ @param handler                 Many applications will benefit from notification when a session becomes invalid
+ or undergoes other state transitions. If a block is provided, the FBSession
+ object will call the block each time the session changes state.
+ 
+ @discussion
+ Returns true if the session was opened synchronously without presenting UI to the user. This occurs
+ when there is a cached token available from a previous run of the application. If NO is returned, this indicates
+ that the session was not immediately opened, via cache. However, if YES was passed as allowLoginUI, then it is
+ possible that the user will login, and the session will become open asynchronously. The primary use for
+ this return value is to switch-on facebook capabilities in your UX upon startup, in the case where the session
+ is opened via cache.
+ 
+ */
++ (BOOL)openActiveSessionWithReadPermissions:(NSArray*)readPermissions
+                                allowLoginUI:(BOOL)allowLoginUI
+                           completionHandler:(FBSessionStateHandler)handler;
+
+/*!
+ @abstract
+ This is a simple method for opening a session with Facebook. Using sessionOpen logs on a user,
+ and sets the static activeSession which becomes the default session object for any Facebook UI widgets
+ used by the application. This session becomes the active session, whether open succeeds or fails.
+ 
+ @param publishPermissions     An array of strings representing the publish permissions to request during the
+ authentication flow.
+ 
+ @param defaultAudience     Anytime an app publishes on behalf of a user, the post must have an audience (e.g. me, my friends, etc.) 
+ The default audience is used to notify the user of the cieling that the user agrees to grant to the app for the provided permissions.
+ 
+ @param allowLoginUI    Sometimes it is useful to attempt to open a session, but only if
+ no login UI will be required to accomplish the operation. For example, at application startup it may not
+ be desirable to transition to login UI for the user, and yet an open session is desired so long as a cached
+ token can be used to open the session. Passing NO to this argument, assures the method will not present UI
+ to the user in order to open the session.
+ 
+ @param handler                 Many applications will benefit from notification when a session becomes invalid
+ or undergoes other state transitions. If a block is provided, the FBSession
+ object will call the block each time the session changes state.
+ 
+ @discussion
+ Returns true if the session was opened synchronously without presenting UI to the user. This occurs
+ when there is a cached token available from a previous run of the application. If NO is returned, this indicates
+ that the session was not immediately opened, via cache. However, if YES was passed as allowLoginUI, then it is
+ possible that the user will login, and the session will become open asynchronously. The primary use for
+ this return value is to switch-on facebook capabilities in your UX upon startup, in the case where the session
+ is opened via cache.
+ 
+ */
++ (BOOL)openActiveSessionWithPublishPermissions:(NSArray*)publishPermissions
+                                defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                   allowLoginUI:(BOOL)allowLoginUI
+                              completionHandler:(FBSessionStateHandler)handler;
+
+/*!
+ @abstract
+ An application may get or set the current active session. Certain high-level components in the SDK
+ will use the activeSession to set default session (e.g. `FBLoginView`, `FBFriendPickerViewController`)
+ 
+ @discussion
+ If sessionOpen* is called, the resulting `FBSession` object also becomes the activeSession. If another
+ session was active at the time, it is closed automatically. If activeSession is called when no session
+ is active, a session object is instatiated and returned; in this case open must be called on the session
+ in order for it to be useable for communication with Facebook.
+ */
++ (FBSession*)activeSession;
+
+/*!
+ @abstract
+ An application may get or set the current active session. Certain high-level components in the SDK
+ will use the activeSession to set default session (e.g. `FBLoginView`, `FBFriendPickerViewController`)
+ 
+ @param session         The FBSession object to become the active session
+ 
+ @discussion
+ If an application prefers the flexibilility of directly instantiating a session object, an active
+ session can be set directly.
+ */
++ (FBSession*)setActiveSession:(FBSession*)session;
+
+/*!
+ @method
+ 
+ @abstract Set the default Facebook App ID to use for sessions. The app ID may be
+ overridden on a per session basis.
+ 
+ @discussion This method has been deprecated in favor of [FBSettings setDefaultAppID].
+
+ @param appID The default Facebook App ID to use for <FBSession> methods.
+ */
++ (void)setDefaultAppID:(NSString*)appID __attribute__((deprecated));
+
+/*!
+ @method
+ 
+ @abstract Get the default Facebook App ID to use for sessions. If not explicitly
+ set, the default will be read from the application's plist. The app ID may be
+ overridden on a per session basis.
+
+ @discussion This method has been deprecated in favor of [FBSettings defaultAppID].
+*/
++ (NSString*)defaultAppID __attribute__((deprecated));
+
+/*!
+ @method
+
+ @abstract Set the default url scheme suffix to use for sessions. The url
+ scheme suffix may be overridden on a per session basis.
+
+ @discussion This method has been deprecated in favor of [FBSettings setDefaultUrlSchemeSuffix].
+ 
+ @param urlSchemeSuffix The default url scheme suffix to use for <FBSession> methods.
+ */
++ (void)setDefaultUrlSchemeSuffix:(NSString*)urlSchemeSuffix __attribute__((deprecated));
+
+/*!
+ @method
+
+ @abstract Get the default url scheme suffix used for sessions.  If not
+ explicitly set, the default will be read from the application's plist. The
+ url scheme suffix may be overridden on a per session basis.
+
+ @discussion This method has been deprecated in favor of [FBSettings defaultUrlSchemeSuffix].
+ */
++ (NSString*)defaultUrlSchemeSuffix __attribute__((deprecated));
+
+/*!
+ @method
+ 
+ @abstract Issues an asychronous renewCredentialsForAccount call to the device Facebook account store.
+ 
+ @param handler The completion handler to call when the renewal is completed. The handler will be
+ invoked on the main thread.
+ 
+ @discussion This can be used to explicitly renew account credentials on iOS 6 devices and is provided
+ as a convenience wrapper around `[ACAccountStore renewCredentialsForAccount:completion]`. Note the
+ method will not issue the renewal call if the the Facebook account has not been set on the device, or
+ if access had not been granted to the account (though the handler wil receive an error).
+ 
+ This is safe to call (and will surface an error to the handler) on versions of iOS before 6 or if the user
+ logged in via Safari or Facebook SSO.
+*/
++ (void)renewSystemCredentials:(FBSessionRenewSystemCredentialsHandler)handler;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSession.m b/Vendor/facebook-ios-sdk/src/FBSession.m
new file mode 100644
index 0000000..6f19a35
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSession.m
@@ -0,0 +1,2040 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIDevice.h>
+#import <Accounts/Accounts.h>
+#import "FBSession.h"
+#import "FBSession+Internal.h"
+#import "FBSession+Protected.h"
+#import "FBSessionAppSwitchingLoginStategy.h"
+#import "FBSessionInlineWebViewLoginStategy.h"
+#import "FBSessionSystemLoginStategy.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBSessionUtility.h"
+#import "FBSettings.h"
+#import "FBSettings+Internal.h"
+#import "FBError.h"
+#import "FBLogger.h"
+#import "FBUtility.h"
+#import "FBDataDiskCache.h"
+#import "FBSystemAccountStoreAdapter.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBAppEvents.h"
+#import "FBAppEvents+Internal.h"
+#import "FBLoginDialogParams.h"
+#import "FBAppCall+Internal.h"
+#import "FBDialogs+Internal.h"
+#import "FBAppBridge.h"
+#import "FBSessionAuthLogger.h"
+
+// the sooner we can remove these the better
+#import "Facebook.h"
+#import "FBLoginDialog.h"
+
+// for unit testing mode only (DO NOT store application secrets in a published application plist)
+static NSString *const FBAuthURLScheme = @"fbauth";
+static NSString *const FBAuthURLPath = @"authorize";
+static NSString *const FBRedirectURL = @"fbconnect://success";
+static NSString *const FBLoginDialogMethod = @"oauth";
+static NSString *const FBLoginUXClientID = @"client_id";
+static NSString *const FBLoginUXUserAgent = @"user_agent";
+static NSString *const FBLoginUXType = @"type";
+static NSString *const FBLoginUXRedirectURI = @"redirect_uri";
+static NSString *const FBLoginUXTouch = @"touch";
+static NSString *const FBLoginUXDisplay = @"display";
+static NSString *const FBLoginUXIOS = @"ios";
+static NSString *const FBLoginUXSDK = @"sdk";
+
+// client state related strings
+NSString *const FBLoginUXClientState = @"state";
+NSString *const FBLoginUXClientStateIsClientState = @"com.facebook.sdk_client_state";
+NSString *const FBLoginUXClientStateIsOpenSession = @"is_open_session";
+NSString *const FBLoginUXClientStateIsActiveSession = @"is_active_session";
+
+// the following constant strings are used by NSNotificationCenter
+NSString *const FBSessionDidSetActiveSessionNotification = @"com.facebook.sdk:FBSessionDidSetActiveSessionNotification";
+NSString *const FBSessionDidUnsetActiveSessionNotification = @"com.facebook.sdk:FBSessionDidUnsetActiveSessionNotification";
+NSString *const FBSessionDidBecomeOpenActiveSessionNotification = @"com.facebook.sdk:FBSessionDidBecomeOpenActiveSessionNotification";
+NSString *const FBSessionDidBecomeClosedActiveSessionNotification = @"com.facebook.sdk:FBSessionDidBecomeClosedActiveSessionNotification";
+
+// the following const strings name properties for which KVO is manually handled
+// if name changes occur, these strings must be modified to match, else KVO will fail
+static NSString *const FBisOpenPropertyName = @"isOpen";
+static NSString *const FBstatusPropertyName = @"state";
+static NSString *const FBaccessTokenPropertyName = @"accessToken";
+static NSString *const FBexpirationDatePropertyName = @"expirationDate";
+static NSString *const FBaccessTokenDataPropertyName = @"accessTokenData";
+
+static int const FBTokenExtendThresholdSeconds = 24 * 60 * 60;  // day
+static int const FBTokenRetryExtendSeconds = 60 * 60;           // hour
+
+// the following constant strings are used as keys into response url parameters during authorization flow
+
+// Key used to access an inner error object in the response parameters. Currently used by Native Login only.
+NSString *const FBInnerErrorObjectKey = @"inner_error_object";
+
+NSString *const FacebookNativeApplicationLoginDomain = @"com.facebook.Facebook.platform.login";
+
+// module scoped globals
+static FBSession *g_activeSession = nil;
+
+@interface FBSession () <FBLoginDialogDelegate> {
+    @protected
+    // public-property ivars
+    NSString *_urlSchemeSuffix;
+
+    // private property and non-property ivars
+    BOOL _isInStateTransition;
+    FBSessionLoginType _loginTypeOfPendingOpenUrlCallback;
+    FBSessionDefaultAudience _defaultDefaultAudience;
+}
+
+// private setters
+@property(readwrite)            FBSessionState state;
+@property(readwrite, copy)      NSString *appID;
+@property(readwrite, copy)      NSString *urlSchemeSuffix;
+@property(readwrite, copy)      FBAccessTokenData *accessTokenData;
+@property(readwrite, copy)      NSArray *initializedPermissions;
+@property(readwrite, assign)    FBSessionDefaultAudience lastRequestedSystemAudience;
+// A hack to the session state machine to enable repairing of sessions
+// (i.e., for sessions whose token have been invalidated such as by
+// expiration or password change was NOT un-tossed). We use this flag
+// to avoid changing the FBSessionState surface area and to re-use
+// the re-auth flow.
+@property(atomic, assign)       BOOL isRepairing;
+
+// private properties
+@property(readwrite, retain)    FBSessionTokenCachingStrategy *tokenCachingStrategy;
+@property(readwrite, copy)      NSDate *attemptedRefreshDate;
+@property(readwrite, copy)      NSDate *attemptedPermissionsRefreshDate;
+@property(readwrite, copy)      FBSessionStateHandler loginHandler;
+@property(readwrite, copy)      FBSessionRequestPermissionResultHandler reauthorizeHandler;
+@property(readonly)             NSString *appBaseUrl;
+@property(readwrite, retain)    FBLoginDialog *loginDialog;
+@property(readwrite, retain)    NSThread *affinitizedThread;
+@property(readwrite, retain)    FBSessionAppEventsState *appEventsState;
+@property(readwrite, retain)    FBSessionAuthLogger *authLogger;
+
+@end
+
+@implementation FBSession : NSObject
+
+#pragma mark Lifecycle
+
+- (id)init {
+    return [self initWithAppID:nil
+                   permissions:nil
+               urlSchemeSuffix:nil
+            tokenCacheStrategy:nil];
+}
+
+- (id)initWithPermissions:(NSArray*)permissions {
+    return [self initWithAppID:nil
+                   permissions:permissions
+               urlSchemeSuffix:nil
+            tokenCacheStrategy:nil];
+}
+
+- (id)initWithAppID:(NSString*)appID
+        permissions:(NSArray*)permissions
+    urlSchemeSuffix:(NSString*)urlSchemeSuffix
+ tokenCacheStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy {
+    return [self initWithAppID:appID
+                   permissions:permissions
+               defaultAudience:FBSessionDefaultAudienceNone
+               urlSchemeSuffix:urlSchemeSuffix
+            tokenCacheStrategy:tokenCachingStrategy];
+}
+
+- (id)initWithAppID:(NSString*)appID
+        permissions:(NSArray*)permissions
+    defaultAudience:(FBSessionDefaultAudience)defaultAudience
+    urlSchemeSuffix:(NSString*)urlSchemeSuffix
+ tokenCacheStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy {
+    self = [super init];
+    if (self) {
+
+        // setup values where nil implies a default
+        if (!appID) {
+            appID = [FBSettings defaultAppID];
+        }
+        if (!permissions) {
+            permissions = [NSArray array];
+        }
+        if (!urlSchemeSuffix) {
+            urlSchemeSuffix = [FBSettings defaultUrlSchemeSuffix];
+        }
+        if (!tokenCachingStrategy) {
+            tokenCachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+        }
+        
+        // if we don't have an appID by here, fail -- this is almost certainly an app-bug
+        if (!appID) {
+            [[NSException exceptionWithName:FBInvalidOperationException
+                                     reason:@"FBSession: No AppID provided; either pass an "
+                                            @"AppID to init, or add a string valued key with the "
+                                            @"appropriate id named FacebookAppID to the bundle *.plist"
+                                   userInfo:nil]
+             raise];
+        }
+
+        // assign arguments;
+        _appID = [appID copy];
+        _initializedPermissions = [permissions copy];
+        _urlSchemeSuffix = [urlSchemeSuffix copy];
+        _tokenCachingStrategy = [tokenCachingStrategy retain];
+
+        // additional setup
+        _isInStateTransition = NO;
+        _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeNone;
+        _defaultDefaultAudience = defaultAudience;
+        _appEventsState = [[FBSessionAppEventsState alloc] init];
+
+        _attemptedRefreshDate = [[NSDate distantPast] copy];
+        _attemptedPermissionsRefreshDate = [[NSDate distantPast] copy];
+        _state = FBSessionStateCreated;
+        _affinitizedThread = [[NSThread currentThread] retain];
+
+        [FBLogger registerCurrentTime:FBLoggingBehaviorPerformanceCharacteristics
+                              withTag:self];
+        FBAccessTokenData *cachedTokenData = [self.tokenCachingStrategy fetchFBAccessTokenData];
+        if (cachedTokenData && ![self initializeFromCachedToken:cachedTokenData withPermissions:permissions]){
+            [self.tokenCachingStrategy clearToken];
+        };
+
+        [FBSettings autoPublishInstall:self.appID];
+    }
+    return self;
+}
+
+// Helper method to initialize current state from a cached token. This will transition to
+// FBSessionStateCreatedTokenLoaded if the `cachedToken` is viable and return YES. Otherwise, it returns NO.
+// This method will return NO immediately if the current state is not FBSessionStateCreated.
+- (BOOL)initializeFromCachedToken:(FBAccessTokenData *) cachedToken withPermissions:(NSArray *)permissions
+{
+    if (cachedToken && self.state == FBSessionStateCreated) {
+        BOOL isSubset = [FBSessionUtility areRequiredPermissions:permissions
+                                            aSubsetOfPermissions:cachedToken.permissions];
+        
+        if (isSubset && (NSOrderedDescending == [cachedToken.expirationDate compare:[NSDate date]])) {
+            [self transitionToState:FBSessionStateCreatedTokenLoaded
+                withAccessTokenData:cachedToken
+                        shouldCache:NO];
+            return YES;
+        }
+    }
+    return NO;
+}
+
+- (void)dealloc {
+    [_loginDialog release]; 
+    [_attemptedRefreshDate release];
+    [_attemptedPermissionsRefreshDate release];
+    [_accessTokenData release];
+    [_reauthorizeHandler release];
+    [_loginHandler release];
+    [_appID release];
+    [_urlSchemeSuffix release];
+    [_initializedPermissions release];
+    [_tokenCachingStrategy release];
+    [_affinitizedThread release];
+    [_appEventsState release];
+    [_authLogger release];
+
+    [super dealloc];
+}
+
+#pragma mark - Public Properties
+
+- (NSArray *)permissions {
+    if (self.accessTokenData) {
+        return self.accessTokenData.permissions;
+    } else {
+        return self.initializedPermissions;
+    }
+}
+
+- (NSDate *)refreshDate {
+    return self.accessTokenData.refreshDate;
+}
+
+- (NSString *)accessToken {
+    return self.accessTokenData.accessToken;
+}
+
+- (NSDate *)expirationDate {
+    return self.accessTokenData.expirationDate;
+}
+
+- (FBSessionLoginType) loginType {
+    if (self.accessTokenData) {
+        return self.accessTokenData.loginType;
+    } else {
+        return FBSessionLoginTypeNone;
+    }
+}
+
+#pragma mark - Public Members
+
+- (void)openWithCompletionHandler:(FBSessionStateHandler)handler {
+    [self openWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView completionHandler:handler];
+}
+
+- (void)openWithBehavior:(FBSessionLoginBehavior)behavior
+       completionHandler:(FBSessionStateHandler)handler {
+
+    [self checkThreadAffinity];
+
+    switch (behavior) {
+        case FBSessionLoginBehaviorForcingWebView:
+        case FBSessionLoginBehaviorUseSystemAccountIfPresent:
+        case FBSessionLoginBehaviorWithFallbackToWebView:
+        case FBSessionLoginBehaviorWithNoFallbackToWebView:
+            // valid behavior; no-op.
+            break;
+        default:
+            [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors formatString:@"%d is not a valid FBSessionLoginBehavior. Ignoring open call.", behavior];
+            return;
+    }
+    if (!(self.state == FBSessionStateCreated ||
+          self.state == FBSessionStateCreatedTokenLoaded)) {
+        // login may only be called once, and only from one of the two initial states
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBSession: an attempt was made to open an already opened or closed session"
+                               userInfo:nil]
+         raise];
+    }
+    if (handler != nil) {
+        if (self.loginHandler == nil) {
+            self.loginHandler = handler;
+        } else if (self.loginHandler != handler) {
+            //Note blocks are not value comparable, so this can intentionally result in false positives.
+            NSLog(@"INFO: A different session open completion handler was supplied when one already existed.");
+        }
+    }
+
+    // normal login depends on the availability of a valid cached token
+    if (self.state == FBSessionStateCreated) {
+
+        // set the state and token info
+        [self transitionToState:FBSessionStateCreatedOpening
+            withAccessTokenData:nil
+                    shouldCache:NO];
+        
+        [self authorizeWithPermissions:self.initializedPermissions
+                              behavior:behavior
+                       defaultAudience:_defaultDefaultAudience
+                         isReauthorize:NO];
+        
+    } else { // self.status == FBSessionStateLoadedValidToken
+        
+        // this case implies that a valid cached token was found, and preserves the
+        // "1-session-1-identity" rule, by transitioning to logged in, without a transition to login UX
+        [self transitionAndCallHandlerWithState:FBSessionStateOpen
+                                          error:nil
+                                      tokenData:nil
+                                    shouldCache:NO];
+    }
+}
+
+- (void)reauthorizeWithPermissions:(NSArray*)permissions
+                          behavior:(FBSessionLoginBehavior)behavior
+                 completionHandler:(FBSessionReauthorizeResultHandler)handler {
+    [self reauthorizeWithPermissions:permissions
+                              isRead:NO
+                            behavior:behavior
+                     defaultAudience:FBSessionDefaultAudienceNone
+                   completionHandler:handler];
+}
+
+- (void)reauthorizeWithReadPermissions:(NSArray*)readPermissions
+                     completionHandler:(FBSessionReauthorizeResultHandler)handler {
+    [self requestNewReadPermissions:readPermissions
+                  completionHandler:handler];
+}
+
+- (void)reauthorizeWithPublishPermissions:(NSArray*)writePermissions
+                        defaultAudience:(FBSessionDefaultAudience)audience
+                      completionHandler:(FBSessionReauthorizeResultHandler)handler {
+    [self requestNewPublishPermissions:writePermissions
+                       defaultAudience:audience
+                     completionHandler:handler];
+}
+
+- (void)requestNewReadPermissions:(NSArray*)readPermissions
+                completionHandler:(FBSessionRequestPermissionResultHandler)handler {
+    [self reauthorizeWithPermissions:readPermissions
+                              isRead:YES
+                            behavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                     defaultAudience:FBSessionDefaultAudienceNone
+                   completionHandler:handler];
+}
+
+- (void)requestNewPublishPermissions:(NSArray*)writePermissions
+                     defaultAudience:(FBSessionDefaultAudience)audience
+                   completionHandler:(FBSessionRequestPermissionResultHandler)handler {
+    [self reauthorizeWithPermissions:writePermissions
+                              isRead:NO
+                            behavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                     defaultAudience:audience
+                   completionHandler:handler];
+}
+
+- (void)close {
+    [self checkThreadAffinity];
+
+    FBSessionState state;
+    if (self.state == FBSessionStateCreatedOpening) {
+        state = FBSessionStateClosedLoginFailed;
+    } else {
+        state = FBSessionStateClosed;
+    }
+
+    [self transitionAndCallHandlerWithState:state
+                                      error:nil
+                                  tokenData:nil
+                                shouldCache:NO];
+}
+
+- (void)closeAndClearTokenInformation {
+    [self closeAndClearTokenInformation:nil];
+}
+
+// Helper method to transistion token state correctly when
+// the app is called back in cases of either app switch
+// or FBLoginDialog
+- (BOOL)handleAuthorizationCallbacks:(NSString *)accessToken params:(NSDictionary *)params loginType:(FBSessionLoginType)loginType {
+    // Make sure our logger is setup to finish up the authorization roundtrip
+    if (!self.authLogger) {
+        NSDictionary *clientState = [FBSessionUtility clientStateFromQueryParams:params];
+        NSString *ID = clientState[FBSessionAuthLoggerParamIDKey];
+        NSString *authMethod = clientState[FBSessionAuthLoggerParamAuthMethodKey];
+        if (ID || authMethod) {
+            self.authLogger = [[[FBSessionAuthLogger alloc] initWithSession:self ID:ID authMethod:authMethod] autorelease];
+        }
+    }
+    
+    switch (self.state) {
+        case FBSessionStateCreatedOpening:
+            return [self handleAuthorizationOpen:params
+                                     accessToken:accessToken
+                                       loginType:loginType];
+        case FBSessionStateOpen:
+        case FBSessionStateOpenTokenExtended:
+            if (loginType == FBSessionLoginTypeNone){
+                // If loginType == None, then we were not expecting a re-auth
+                // and entered here from an app link into an existing session
+                // so we should immediately return NO to prevent a false transition
+                // to TokenExtended.
+                return NO;
+            } else {
+                return [self handleReauthorize:params
+                                   accessToken:accessToken];
+            }
+        default:
+            return NO;
+    }
+}
+
+- (BOOL)handleOpenURL:(NSURL *)url {
+    [self checkThreadAffinity];
+    
+    NSDictionary *params = [FBSessionUtility queryParamsFromLoginURL:url
+                                                        appID:self.appID
+                                              urlSchemeSuffix:self.urlSchemeSuffix];
+    
+    // if the URL's structure doesn't match the structure used for Facebook authorization, abort.
+    if (!params) {
+        // We need to not discard native login responses, since the app might not have updated its
+        // AppDelegate to call into FBAppCall. We are impersonating the native Facebook application's
+        // bundle Id here. This is no less secure than old FBSession url handling
+        __block BOOL completionHandlerFound = YES;
+        BOOL handled = [[FBAppBridge sharedInstance] handleOpenURL:url
+                                                 sourceApplication:@"com.facebook.Facebook"
+                                                           session:self
+                                                   fallbackHandler:^(FBAppCall *call) {
+                                                       completionHandlerFound = NO;
+                                                   }];
+        return handled && completionHandlerFound;
+    }
+    FBSessionLoginType loginType = _loginTypeOfPendingOpenUrlCallback;
+    _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeNone;
+    
+    NSString *accessToken = [params objectForKey:@"access_token"];
+    
+    return [self handleAuthorizationCallbacks:accessToken params:params loginType:loginType];
+}
+
+- (BOOL)openFromAccessTokenData:(FBAccessTokenData *)accessTokenData completionHandler:(FBSessionStateHandler) handler {
+    return [self openFromAccessTokenData:accessTokenData
+                       completionHandler:handler
+            raiseExceptionIfInvalidState:YES];
+}
+
+- (void)handleDidBecomeActive {
+    // Unexpected calls to app delegate's applicationDidBecomeActive are
+    // handled by this method. If a pending fast-app-switch [re]authorization
+    // is in flight, it is cancelled. Otherwise, this method is a no-op.
+    [self authorizeRequestWasImplicitlyCancelled];
+    
+    // This is forward-compatibility. If an AppDelegate isn't updated to use AppCall,
+    // we still want to provide a good AppBridge experience if possible.
+    [[FBAppBridge sharedInstance] handleDidBecomeActive];
+}
+
+- (BOOL)isOpen {
+    return FB_ISSESSIONOPENWITHSTATE(self.state);
+}
+
+- (NSString*)urlSchemeSuffix {
+    [self checkThreadAffinity];
+    return _urlSchemeSuffix ? _urlSchemeSuffix : @"";
+}
+
+// actually a private member, but wanted to be close to its public colleague
+- (void)setUrlSchemeSuffix:(NSString*)newValue {
+    if (_urlSchemeSuffix != newValue) {
+        [_urlSchemeSuffix release];
+        _urlSchemeSuffix = [(newValue ? newValue : @"") copy];
+    }
+}
+
+#pragma mark -
+#pragma mark Class Methods
+
++ (BOOL)openActiveSessionWithAllowLoginUI:(BOOL)allowLoginUI {
+    return [FBSession openActiveSessionWithPermissions:nil
+                                          allowLoginUI:allowLoginUI
+                                    allowSystemAccount:YES
+                                                isRead:YES
+                                       defaultAudience:FBSessionDefaultAudienceNone
+                                     completionHandler:nil];
+}
+
++ (BOOL)openActiveSessionWithPermissions:(NSArray*)permissions
+                            allowLoginUI:(BOOL)allowLoginUI
+                       completionHandler:(FBSessionStateHandler)handler {
+    return [FBSession openActiveSessionWithPermissions:permissions
+                                          allowLoginUI:allowLoginUI
+                                       defaultAudience:FBSessionDefaultAudienceNone
+                                     completionHandler:handler];
+}
+
+// This should only be used by internal code that needs to support mixed
+// permissions backwards compability and specify an audience.
++ (BOOL)openActiveSessionWithPermissions:(NSArray*)permissions
+                            allowLoginUI:(BOOL)allowLoginUI
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                       completionHandler:(FBSessionStateHandler)handler {
+    return [FBSession openActiveSessionWithPermissions:permissions
+                                          allowLoginUI:allowLoginUI
+                                    allowSystemAccount:NO
+                                                isRead:NO
+                                       defaultAudience:defaultAudience
+                                     completionHandler:handler];
+}
+
++ (BOOL)openActiveSessionWithReadPermissions:(NSArray*)readPermissions
+                                allowLoginUI:(BOOL)allowLoginUI
+                           completionHandler:(FBSessionStateHandler)handler {
+    return [FBSession openActiveSessionWithPermissions:readPermissions
+                                          allowLoginUI:allowLoginUI
+                                    allowSystemAccount:YES
+                                                isRead:YES
+                                       defaultAudience:FBSessionDefaultAudienceNone
+                                     completionHandler:handler];
+}
+
++ (BOOL)openActiveSessionWithPublishPermissions:(NSArray*)publishPermissions
+                                defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                   allowLoginUI:(BOOL)allowLoginUI
+                              completionHandler:(FBSessionStateHandler)handler {
+    return [FBSession openActiveSessionWithPermissions:publishPermissions
+                                          allowLoginUI:allowLoginUI
+                                    allowSystemAccount:YES
+                                                isRead:NO
+                                       defaultAudience:defaultAudience
+                                     completionHandler:handler];
+}
+
++ (FBSession*)activeSession {
+    if (!g_activeSession) {
+        FBSession *session = [[FBSession alloc] init];
+        [FBSession setActiveSession:session];
+        [session release];
+    }
+    return [[g_activeSession retain] autorelease];
+}
+
++ (FBSession*)setActiveSession:(FBSession*)session {
+    
+    if (session != g_activeSession) {
+        // we will close this, but we want any resulting 
+        // handlers to see the new active session
+        FBSession *toRelease = g_activeSession;
+        
+        // if we are being replaced, then we close you
+        [toRelease close];
+        
+        // set the new session
+        g_activeSession = [session retain];
+        
+        // some housekeeping needs to happen if we had a previous session
+        if (toRelease) {
+            // now the notification/release of the prior active
+            [[NSNotificationCenter defaultCenter] postNotificationName:FBSessionDidUnsetActiveSessionNotification
+                                                                object:toRelease];
+            [toRelease release];
+        }
+        
+        // we don't notify nil sets
+        if (session) {
+            [[NSNotificationCenter defaultCenter] postNotificationName:FBSessionDidSetActiveSessionNotification
+                                                                object:session];
+            
+            if (session.isOpen) {
+                [[NSNotificationCenter defaultCenter] postNotificationName:FBSessionDidBecomeOpenActiveSessionNotification
+                                                                    object:session];    
+            }
+        }
+    }
+    
+    return session;
+}
+
++ (void)setDefaultAppID:(NSString*)appID {
+    [FBSettings setDefaultAppID:appID];
+}
+
++ (NSString*)defaultAppID {
+    return [FBSettings defaultAppID];
+}
+
++ (void)setDefaultUrlSchemeSuffix:(NSString*)urlSchemeSuffix {
+    [FBSettings setDefaultUrlSchemeSuffix:urlSchemeSuffix];
+}
+
++ (NSString*)defaultUrlSchemeSuffix {
+    return [FBSettings defaultUrlSchemeSuffix];
+}
+
++ (void)renewSystemCredentials:(FBSessionRenewSystemCredentialsHandler) handler {
+    [[FBSystemAccountStoreAdapter sharedInstance] renewSystemAuthorization:handler];
+}
+
+#pragma mark -
+#pragma mark Private Members (core session members)
+
+// private methods are broken into two categories: core session and helpers
+
+// core member that owns all state transitions as well as property setting for status and isOpen
+// `tokenData` will NOT be retained, it will be used to construct a
+// new instance - the difference is for things that should not change
+// if the session already had a token (e.g., loginType).
+- (BOOL)transitionToState:(FBSessionState)state
+      withAccessTokenData:(FBAccessTokenData *)tokenData
+              shouldCache:(BOOL)shouldCache {
+    
+    // is this a valid transition?
+    BOOL isValidTransition;
+    FBSessionState statePrior;
+
+    statePrior = self.state;
+    switch (state) {
+        default:
+        case FBSessionStateCreated:
+            isValidTransition = NO;
+            break;
+        case FBSessionStateOpen:
+            isValidTransition = (
+                                 statePrior == FBSessionStateCreatedTokenLoaded ||
+                                 statePrior == FBSessionStateCreatedOpening
+                                 );
+            break;
+        case FBSessionStateCreatedOpening:
+        case FBSessionStateCreatedTokenLoaded:
+            isValidTransition = statePrior == FBSessionStateCreated;
+            break;
+        case FBSessionStateClosedLoginFailed:
+            isValidTransition = statePrior == FBSessionStateCreatedOpening;
+            break;
+        case FBSessionStateOpenTokenExtended:
+            isValidTransition = (
+                                 statePrior == FBSessionStateOpen ||
+                                 statePrior == FBSessionStateOpenTokenExtended
+                                 );
+            break;
+        case FBSessionStateClosed:
+            isValidTransition = (
+                                 statePrior == FBSessionStateOpen ||
+                                 statePrior == FBSessionStateOpenTokenExtended ||
+                                 statePrior == FBSessionStateCreatedTokenLoaded
+                                 );
+            break;
+    }
+    
+    // invalid transition short circuits
+    if (!isValidTransition) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorSessionStateTransitions
+                            logEntry:[NSString stringWithFormat:@"FBSession **INVALID** transition from %@ to %@",
+                                      [FBSessionUtility sessionStateDescription:statePrior],
+                                      [FBSessionUtility sessionStateDescription:state]]];
+        return NO;
+    }
+
+    // if this is yes, someone called a method on FBSession from within a KVO will change handler
+    if (_isInStateTransition) {
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBSession: An attempt to change an FBSession object was "
+                                        @"made while a change was in flight; this is most likely due to "
+                                        @"a KVO observer calling a method on FBSession while handling a "
+                                        @"NSKeyValueObservingOptionPrior notification"
+                               userInfo:nil]
+         raise];
+    }
+
+    // valid transitions notify
+    NSString *logString = [NSString stringWithFormat:@"FBSession transition from %@ to %@ ",
+                           [FBSessionUtility sessionStateDescription:statePrior],
+                           [FBSessionUtility sessionStateDescription:state]];
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorSessionStateTransitions logEntry:logString];
+    
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorPerformanceCharacteristics 
+                    timestampTag:self
+                    formatString:@"%@", logString];
+    
+    // Re-start session transition timer for the next time around.
+    [FBLogger registerCurrentTime:FBLoggingBehaviorPerformanceCharacteristics
+                          withTag:self];
+    
+    // identify whether we will update token and date, and what the values will be
+    BOOL changingTokenAndDate = NO;
+    if (tokenData.accessToken && tokenData.expirationDate) {
+        changingTokenAndDate = YES;
+    } else if (!FB_ISSESSIONOPENWITHSTATE(state) &&
+               FB_ISSESSIONOPENWITHSTATE(statePrior)) {
+        changingTokenAndDate = YES;
+        tokenData = nil;
+    }
+
+    BOOL changingIsOpen = FB_ISSESSIONOPENWITHSTATE(state) != FB_ISSESSIONOPENWITHSTATE(statePrior);
+
+    // should only ever be YES from here...
+    _isInStateTransition = YES;
+
+    // KVO property will change notifications, for state change
+    [self willChangeValueForKey:FBstatusPropertyName];
+    if (changingIsOpen) {
+        [self willChangeValueForKey:FBisOpenPropertyName];
+    }
+
+    if (changingTokenAndDate) {
+        FBSessionLoginType newLoginType = tokenData.loginType;
+        // if we are just about to transition to open or token loaded, and the caller
+        // wants to specify a login type other than none, then we set the login type
+        FBSessionLoginType loginTypeUpdated = self.accessTokenData.loginType;
+        if (isValidTransition &&
+            (state == FBSessionStateOpen || state == FBSessionStateCreatedTokenLoaded) &&
+            newLoginType != FBSessionLoginTypeNone) {
+            loginTypeUpdated = newLoginType;
+        }
+
+        // KVO property will-change notifications for token and date
+        [self willChangeValueForKey:FBaccessTokenPropertyName];
+        [self willChangeValueForKey:FBaccessTokenDataPropertyName];
+        [self willChangeValueForKey:FBexpirationDatePropertyName];
+       
+        // set the new access token as a copy of any existing token with the updated
+        // token string and expiration date.
+        if (tokenData.accessToken) {
+            FBAccessTokenData *fbAccessToken = [FBAccessTokenData createTokenFromString:tokenData.accessToken
+                                                                            permissions:tokenData.permissions
+                                                                         expirationDate:tokenData.expirationDate
+                                                                              loginType:loginTypeUpdated
+                                                                            refreshDate:tokenData.refreshDate
+                                                                 permissionsRefreshDate:tokenData.permissionsRefreshDate];
+            self.accessTokenData = fbAccessToken;
+        } else {
+            self.accessTokenData = nil;
+        }
+    }
+
+    // change the actual state
+    // note: we should not inject any callbacks between this and the token/date changes above
+    self.state = state;
+
+    // ... to here -- if YES
+    _isInStateTransition = NO;
+
+    if (changingTokenAndDate) {
+        // update the cache
+        if (shouldCache) {
+            [self.tokenCachingStrategy cacheFBAccessTokenData:self.accessTokenData];
+        }
+
+        // KVO property change notifications token and date
+        [self didChangeValueForKey:FBexpirationDatePropertyName];
+        [self didChangeValueForKey:FBaccessTokenPropertyName];
+        [self didChangeValueForKey:FBaccessTokenDataPropertyName];
+    }
+
+    // KVO property did change notifications, for state change
+    if (changingIsOpen) {
+        [self didChangeValueForKey:FBisOpenPropertyName];
+    }
+    [self didChangeValueForKey:FBstatusPropertyName];
+    
+    // if we are the active session, and we changed is-valid, notify
+    if (changingIsOpen && g_activeSession == self) {
+        if (FB_ISSESSIONOPENWITHSTATE(state)) {
+            [[NSNotificationCenter defaultCenter] postNotificationName:FBSessionDidBecomeOpenActiveSessionNotification
+                                                                object:self];
+        } else {
+            [[NSNotificationCenter defaultCenter] postNotificationName:FBSessionDidBecomeClosedActiveSessionNotification
+                                                                object:self];
+        }
+    }
+
+    // Note! It is important that no processing occur after the KVO notifications have been raised, in order to
+    // assure the state is cohesive in common reintrant scenarios
+
+    // the NO case short-circuits after the state switch/case
+    return YES;
+}
+
+// core authorization UX flow
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                        behavior:(FBSessionLoginBehavior)behavior
+                 defaultAudience:(FBSessionDefaultAudience)audience
+                   isReauthorize:(BOOL)isReauthorize {
+    BOOL tryIntegratedAuth = behavior == FBSessionLoginBehaviorUseSystemAccountIfPresent;
+    BOOL tryFacebookLogin = (behavior == FBSessionLoginBehaviorUseSystemAccountIfPresent) ||
+    (behavior == FBSessionLoginBehaviorWithFallbackToWebView) ||
+    (behavior == FBSessionLoginBehaviorWithNoFallbackToWebView);
+    BOOL tryFallback =  (behavior == FBSessionLoginBehaviorWithFallbackToWebView) ||
+    (behavior == FBSessionLoginBehaviorForcingWebView);
+    
+    [self authorizeWithPermissions:(NSArray*)permissions
+                   defaultAudience:audience
+                    integratedAuth:tryIntegratedAuth
+                         FBAppAuth:tryFacebookLogin
+                        safariAuth:tryFacebookLogin
+                          fallback:tryFallback
+                     isReauthorize:isReauthorize
+               canFetchAppSettings:YES];
+}
+
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                 defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                  integratedAuth:(BOOL)tryIntegratedAuth
+                       FBAppAuth:(BOOL)tryFBAppAuth
+                      safariAuth:(BOOL)trySafariAuth
+                        fallback:(BOOL)tryFallback
+                   isReauthorize:(BOOL)isReauthorize
+             canFetchAppSettings:(BOOL)canFetchAppSettings {
+    self.authLogger = [[[FBSessionAuthLogger alloc] initWithSession:self] autorelease];
+    [self.authLogger addExtrasForNextEvent:@{
+     @"tryIntegratedAuth": [NSNumber numberWithBool:tryIntegratedAuth],
+     @"tryFBAppAuth": [NSNumber numberWithBool:tryFBAppAuth],
+     @"trySafariAuth": [NSNumber numberWithBool:trySafariAuth],
+     @"tryFallback": [NSNumber numberWithBool:tryFallback],
+     @"isReauthorize": [NSNumber numberWithBool:isReauthorize]
+     }];
+    
+    [self.authLogger logStartAuth];
+    
+    [self retryableAuthorizeWithPermissions:permissions
+                            defaultAudience:defaultAudience
+                             integratedAuth:tryIntegratedAuth
+                                  FBAppAuth:tryFBAppAuth
+                                 safariAuth:trySafariAuth
+                                   fallback:tryFallback
+                              isReauthorize:isReauthorize
+                        canFetchAppSettings:canFetchAppSettings];
+}
+
+// NOTE: This method should not be used as the "first" call in the auth-stack. It makes no assumptions about being
+// the first either.
+- (void)retryableAuthorizeWithPermissions:(NSArray*)permissions
+                          defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                           integratedAuth:(BOOL)tryIntegratedAuth
+                                FBAppAuth:(BOOL)tryFBAppAuth
+                               safariAuth:(BOOL)trySafariAuth
+                                 fallback:(BOOL)tryFallback
+                            isReauthorize:(BOOL)isReauthorize
+                      canFetchAppSettings:(BOOL)canFetchAppSettings {
+    
+    // setup parameters for either the safari or inline login
+    NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                   self.appID, FBLoginUXClientID,
+                                   FBLoginUXUserAgent, FBLoginUXType,
+                                   FBRedirectURL, FBLoginUXRedirectURI,
+                                   FBLoginUXTouch, FBLoginUXDisplay,
+                                   FBLoginUXIOS, FBLoginUXSDK,
+                                   nil];
+    if (permissions != nil) {
+        params[@"scope"] = [permissions componentsJoinedByString:@","];
+    }
+    if (_urlSchemeSuffix) {
+        params[@"local_client_id"] = _urlSchemeSuffix;
+    }
+    
+    // To avoid surprises, delete any cookies we currently have.
+    [FBUtility deleteFacebookCookies];
+    
+    BOOL didRequestAuthorize = NO;
+    NSString *authMethod = nil;
+    
+    FBSessionLoginStrategyParams *authorizeParams = [[[FBSessionLoginStrategyParams alloc] init] autorelease];
+    authorizeParams.tryIntegratedAuth = tryIntegratedAuth;
+    authorizeParams.tryFBAppAuth = tryFBAppAuth;
+    authorizeParams.trySafariAuth = trySafariAuth;
+    authorizeParams.tryFallback = tryFallback;
+    authorizeParams.isReauthorize = isReauthorize;
+    authorizeParams.defaultAudience = defaultAudience;
+    authorizeParams.permissions = permissions;
+    authorizeParams.canFetchAppSettings = canFetchAppSettings;
+    authorizeParams.webParams = params;
+
+    // Note ordering is significant here.
+    NSArray *loginStrategies = @[ [[[FBSessionSystemLoginStategy alloc] init] autorelease],
+                                  [[[FBSessionAppSwitchingLoginStategy alloc] init] autorelease],
+                                  [[[FBSessionInlineWebViewLoginStategy alloc] init] autorelease]
+                                  ];
+    
+    for (id<FBSessionLoginStrategy> loginStrategy in loginStrategies) {
+        if ([loginStrategy tryPerformAuthorizeWithParams:authorizeParams session:self logger:self.authLogger]) {
+            didRequestAuthorize = YES;
+            authMethod = loginStrategy.methodName;
+            break;
+        }
+    }
+   
+    if (didRequestAuthorize) {
+        if (authMethod) { // This is a nested-if, because we might not have an authmethod yet if waiting on fetchedAppSettings
+            // Some method of authentication was kicked off
+            [self.authLogger logStartAuthMethod:authMethod];
+        }
+    } else {
+        // Can't fallback and Facebook Login failed, so transition to an error state
+        NSError *error = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonInlineNotCancelledValue
+                                                errorCode:nil
+                                               innerError:nil];
+        
+        // state transition, and call the handler if there is one
+        [self transitionAndCallHandlerWithState:FBSessionStateClosedLoginFailed
+                                          error:error
+                                      tokenData:nil
+                                    shouldCache:NO];
+    }
+}
+
+- (void)setLoginTypeOfPendingOpenUrlCallback:(FBSessionLoginType)loginType {
+    _loginTypeOfPendingOpenUrlCallback = loginType;
+}
+
+- (void)logIntegratedAuthAppEvent:(NSString *)dialogOutcome
+                      permissions:(NSArray *)permissions {
+    
+    NSString *sortedPermissions;
+    
+    if (permissions.count == 0) {
+        sortedPermissions = @"<NoPermissionsSpecified>";
+    } else {
+        sortedPermissions = [[permissions sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)]
+                             componentsJoinedByString:@","];
+    }
+    
+    // We log Launch and Dismiss one after the other, because we can't determine a priori whether
+    // this invocation will necessarily result in launching a dialog, and logging an event and then
+    // retracting it conditionally is too problematic.
+    
+    [FBAppEvents logImplicitEvent:FBAppEventNamePermissionsUILaunch
+                      valueToSum:nil
+                      parameters:@{ @"ui_dialog_type" : @"iOS integrated auth",
+                                    @"permissions_requested" : sortedPermissions }
+                         session:self];
+    
+    [FBAppEvents logImplicitEvent:FBAppEventNamePermissionsUIDismiss
+                      valueToSum:nil
+                      parameters:@{ @"ui_dialog_type" : @"iOS integrated auth",
+                                    FBAppEventParameterDialogOutcome : dialogOutcome,
+                                    @"permissions_requested" : sortedPermissions }
+                         session:self];
+}
+
+- (void)authorizeUsingSystemAccountStore:(NSArray*)permissions
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                           isReauthorize:(BOOL)isReauthorize {
+    self.lastRequestedSystemAudience = defaultAudience;
+
+    unsigned long timePriorToShowingUI = [FBUtility currentTimeInMilliseconds];
+    
+    FBSystemAccountStoreAdapter *systemAccountStoreAdapter = [self getSystemAccountStoreAdapter];
+    
+    [systemAccountStoreAdapter
+        requestAccessToFacebookAccountStore:permissions
+        defaultAudience:defaultAudience
+        isReauthorize:isReauthorize
+        appID:self.appID
+        session:self
+        handler:^(NSString *oauthToken, NSError *accountStoreError) {           
+            BOOL isUntosedDevice = (!oauthToken && accountStoreError.code == ACErrorAccountNotFound);
+            
+            unsigned long millisecondsSinceUIWasPotentiallyShown = [FBUtility currentTimeInMilliseconds] - timePriorToShowingUI;
+            
+            // There doesn't appear to be a reliable way to determine whether or not a UI was invoked
+            // to get us here, or whether the cached token was sufficient.  So we use a timer heuristic
+            // assuming that human response time couldn't complete a dialog in under the interval
+            // given here, but the process will return here fast enough if the token is cached.  The threshold was
+            // chosen empirically, so there may be some edge cases that are false negatives or false positives.
+            BOOL dialogWasShown = millisecondsSinceUIWasPotentiallyShown > 350;
+
+            [self.authLogger addExtrasForNextEvent:@{
+             @"isUntosedDevice": [NSNumber numberWithBool:isUntosedDevice],
+             @"dialogShown": [NSNumber numberWithBool:dialogWasShown]
+             }];
+            
+            // initial auth case
+            if (!isReauthorize) {
+                if (oauthToken) {
+                    
+                    if (dialogWasShown) {
+                        [self logIntegratedAuthAppEvent:@"Authorization succeeded"
+                                            permissions:permissions];
+                    }
+                    
+                    [self.authLogger logEndAuthMethodWithResult:FBSessionAuthLoggerResultSuccess error:nil];
+                    
+                     // BUG: we need a means for fetching the expiration date of the token
+                    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:oauthToken
+                                                                                permissions:permissions
+                                                                             expirationDate:[NSDate distantFuture]
+                                                                                  loginType:FBSessionLoginTypeSystemAccount
+                                                                                refreshDate:[NSDate date]];
+                    [self transitionAndCallHandlerWithState:FBSessionStateOpen
+                                                      error:nil
+                                                  tokenData:tokenData
+                                                shouldCache:YES];
+
+                } else if (isUntosedDevice) {
+                    
+                    // Don't invoke logIntegratedAuthAppEvent, since this is not an 'integrated dialog' case.
+                    
+                    [self.authLogger logEndAuthMethodWithResult:FBSessionAuthLoggerResultSkipped error:nil];
+                    
+                    // even when OS integrated auth is possible we use native-app/safari
+                    // login if the user has not signed on to Facebook via the OS
+                    [self retryableAuthorizeWithPermissions:permissions
+                                            defaultAudience:defaultAudience
+                                             integratedAuth:NO
+                                                  FBAppAuth:YES
+                                                 safariAuth:YES
+                                                   fallback:YES
+                                              isReauthorize:NO
+                                        canFetchAppSettings:YES];
+                } else {
+                    
+                    [self logIntegratedAuthAppEvent:@"Authorization cancelled"
+                                        permissions:permissions];
+
+                    NSError *err = nil;
+                    NSString *authLoggerResult = FBSessionAuthLoggerResultError;
+                    if ([accountStoreError.domain isEqualToString:FacebookSDKDomain]){
+                        // If the requestAccess call results in a Facebook error, surface it as a top-level
+                        // error. This implies it is not the typical user "disallows" case.
+                        err = accountStoreError;
+                    } else if ([accountStoreError.domain isEqualToString:@"com.apple.accounts"] && accountStoreError.code == 7) {
+                        // code 7 is for user cancellations, see ACErrorCode, except that iOS can also
+                        // re-use code 7 for other cases like a sandboxed app. In those other cases,
+                        // they do provide a NSLocalizedDescriptionKey entry so we'll inspect for that.
+                        if (!accountStoreError.userInfo[NSLocalizedDescriptionKey] ||
+                            [accountStoreError.userInfo[NSLocalizedDescriptionKey] rangeOfString:@"Invalid application"
+                                                                                         options:NSCaseInsensitiveSearch].location == NSNotFound) {
+                                err = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonUserCancelledSystemValue
+                                                             errorCode:nil
+                                                            innerError:accountStoreError];
+                                authLoggerResult = FBSessionAuthLoggerResultCancelled;
+                            }
+                    }
+                    
+                    if (err == nil) {
+                        // create an error object with additional info regarding failed login as a fallback.
+                        err = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonSystemError
+                                                     errorCode:nil
+                                                    innerError:accountStoreError];
+                    }
+                    
+                    [self.authLogger logEndAuthMethodWithResult:authLoggerResult error:err];
+                    
+                    // state transition, and call the handler if there is one
+                    [self transitionAndCallHandlerWithState:FBSessionStateClosedLoginFailed
+                                                      error:err
+                                                  tokenData:nil
+                                                shouldCache:NO];
+                }
+            } else { // reauth case
+                if (oauthToken) {
+                    
+                    if (dialogWasShown) {
+                        [self logIntegratedAuthAppEvent:@"Reauthorization succeeded"
+                                            permissions:permissions];
+                    }
+                    
+                    // union the requested permissions with the already granted permissions
+                    NSMutableSet *set = [NSMutableSet setWithArray:self.accessTokenData.permissions];
+                    [set addObjectsFromArray:permissions];
+                    
+                    // complete the operation: success
+                    [self completeReauthorizeWithAccessToken:oauthToken
+                                                  expirationDate:[NSDate distantFuture]
+                                                     permissions:[set allObjects]];
+                } else {
+                    self.isRepairing = NO;
+                    if (dialogWasShown) {
+                        [self logIntegratedAuthAppEvent:@"Reauthorization cancelled"
+                                            permissions:permissions];
+                    }
+                    
+                    NSError *err;
+                    NSString* authLoggerResult = FBSessionAuthLoggerResultSuccess;
+                    if ([accountStoreError.domain isEqualToString:FacebookSDKDomain]){
+                        // If the requestAccess call results in a Facebook error, surface it as a top-level
+                        // error. This implies it is not the typical user "disallows" case.
+                        err = accountStoreError;
+                    } else if ([accountStoreError.domain isEqualToString:@"com.apple.accounts"]
+                               && accountStoreError.code == 7
+                               && ![accountStoreError userInfo][NSLocalizedDescriptionKey]) {
+                        // code 7 is for user cancellations, see ACErrorCode
+                        // for re-auth, there is a specical case where device will return a code 7 if the app
+                        // has been untossed. In those cases, there is a localized message so we want to ignore
+                        // those for purposes of classifying user cancellations.
+                        err = [self errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonUserCancelledSystem
+                                                          errorCode:nil
+                                                         innerError:accountStoreError];
+                        authLoggerResult = FBSessionAuthLoggerResultCancelled;
+                    } else {
+                        // create an error object with additional info regarding failed login
+                        err = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonSystemError
+                                                     errorCode:nil
+                                                    innerError:accountStoreError];
+                    }
+                    
+                    [self.authLogger logEndAuthMethodWithResult:authLoggerResult error:err];
+
+                    // complete the operation: failed
+                    [self callReauthorizeHandlerAndClearState:err];
+                    
+                    // if we made it this far into the reauth case with an untosed device, then
+                    // it is time to invalidate the session
+                    if (isUntosedDevice) {
+                        [self closeAndClearTokenInformation];
+                    }
+                }
+            }
+        }];
+}
+
+- (FBSystemAccountStoreAdapter *)getSystemAccountStoreAdapter {
+    return [FBSystemAccountStoreAdapter sharedInstance];
+}
+
+- (FBAppCall *)authorizeUsingFacebookNativeLoginWithPermissions:(NSArray*)permissions
+                                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                             clientState:(NSDictionary *)clientState {
+    FBLoginDialogParams *params = [[[FBLoginDialogParams alloc] init] autorelease];
+    params.permissions = permissions;
+    params.writePrivacy = defaultAudience;
+    params.session = self;
+    
+    FBAppCall *call = [FBDialogs presentLoginDialogWithParams:params
+                                                  clientState:clientState
+                                                      handler:^(FBAppCall *call, NSDictionary *results, NSError *error) {
+                                                          [self handleDidCompleteNativeLoginForAppCall:call];
+                                                      }];
+    if (call) {
+        _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeFacebookApplication;
+    }
+    return call;
+}
+
+- (void)handleDidCompleteNativeLoginForAppCall:(FBAppCall *)call {
+    if (call.error.code == FBErrorAppActivatedWhilePendingAppCall) {
+        // We're here because the app was activated while a authorize request was pending
+        // and without a response URL. This is the same flow as handleDidBecomeActive.
+        [self authorizeRequestWasImplicitlyCancelled];
+        return;
+    }
+
+    NSMutableDictionary *params = [NSMutableDictionary dictionary];
+    if (call.dialogData.results) {
+        [params addEntriesFromDictionary:call.dialogData.results];
+    }
+    
+    // The error from the native Facebook application will be wrapped by an SDK error later on.
+    // NOTE: If the user cancelled the login, there won't be an error in the app call. However,
+    // an error will be generated further downstream, once the access token is found to be missing.
+    // So there is no more work to be done here.
+    if (call.error) {
+        params[FBInnerErrorObjectKey] = [FBSession sdkSurfacedErrorForNativeLoginError:call.error];
+    }
+    // log the time the control was returned to the app for profiling reasons
+    [FBAppEvents logImplicitEvent:FBAppEventNameFBDialogsNativeLoginDialogEnd
+                    valueToSum:nil
+                    parameters:@{
+                        FBAppEventsNativeLoginDialogEndTime : [NSNumber numberWithDouble:round(1000 * [[NSDate date] timeIntervalSince1970])],
+                        @"action_id" : [call ID],
+                        @"app_id" : [FBSettings defaultAppID]
+                    }
+                    session:nil];
+    
+    FBSessionLoginType loginType = _loginTypeOfPendingOpenUrlCallback;
+    _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeNone;
+    
+    [self handleAuthorizationCallbacks:params[@"access_token"]
+                                params:params
+                             loginType:loginType];
+}
+
+- (BOOL)isURLSchemeRegistered {
+    // If the url scheme is not registered, then the app we delegate to cannot call
+    // back, and hence this is an invalid call.
+    NSString *defaultUrlScheme = [NSString stringWithFormat:@"fb%@%@", self.appID, self.urlSchemeSuffix ?: @""];
+    if (![FBUtility isRegisteredURLScheme:defaultUrlScheme]) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                            logEntry:[NSString stringWithFormat:@"Cannot use the Facebook app or Safari to authorize, %@ is not registered as a URL Scheme", defaultUrlScheme]];
+        return NO;
+    }
+    return YES;
+}
+
+- (BOOL)authorizeUsingFacebookApplication:(NSMutableDictionary *)params {
+    NSString *scheme = FBAuthURLScheme;
+    if (_urlSchemeSuffix) {
+        scheme = [scheme stringByAppendingString:@"2"];
+    }
+    // add a timestamp for tracking GDP e2e time
+    [FBSessionUtility addWebLoginStartTimeToParams:params];
+    
+    NSString *urlPrefix = [NSString stringWithFormat:@"%@://%@", scheme, FBAuthURLPath];
+    NSString *fbAppUrl = [FBRequest serializeURL:urlPrefix params:params];
+    
+    _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeFacebookApplication;
+    return [self tryOpenURL:[NSURL URLWithString:fbAppUrl]];
+}
+
+- (BOOL)authorizeUsingSafari:(NSMutableDictionary *)params {
+    // add a timestamp for tracking GDP e2e time
+    [FBSessionUtility addWebLoginStartTimeToParams:params];
+
+    NSString *loginDialogURL = [[FBUtility dialogBaseURL] stringByAppendingString:FBLoginDialogMethod];
+
+    NSString *nextUrl = self.appBaseUrl;
+    [params setValue:nextUrl forKey:@"redirect_uri"];
+    
+    NSString *fbAppUrl = [FBRequest serializeURL:loginDialogURL params:params];
+    _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeFacebookViaSafari;
+    
+    return [self tryOpenURL:[NSURL URLWithString:fbAppUrl]];
+}
+
+- (BOOL)tryOpenURL:(NSURL *)url {
+    return [[UIApplication sharedApplication] openURL:url];
+}
+
+- (void)authorizeUsingLoginDialog:(NSMutableDictionary *)params {
+    // add a timestamp for tracking GDP e2e time
+    [FBSessionUtility addWebLoginStartTimeToParams:params];
+
+    NSString *loginDialogURL = [[FBUtility dialogBaseURL] stringByAppendingString:FBLoginDialogMethod];
+    
+    // open an inline login dialog. This will require the user to enter his or her credentials.
+    self.loginDialog = [[[FBLoginDialog alloc] initWithURL:loginDialogURL
+                                               loginParams:params
+                                                  delegate:self]
+                        autorelease];
+    _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeWebView;
+    [self.loginDialog show];
+}
+
+- (BOOL)handleAuthorizationOpen:(NSDictionary*)parameters
+                    accessToken:(NSString*)accessToken
+                      loginType:(FBSessionLoginType)loginType {
+    // if the URL doesn't contain the access token, an error has occurred.
+    if (!accessToken) {
+        NSString *errorReason = [parameters objectForKey:@"error"];
+        
+        // the facebook app may return an error_code parameter in case it
+        // encounters a UIWebViewDelegate error
+        NSString *errorCode = [parameters objectForKey:@"error_code"];
+        
+        // create an error object with additional info regarding failed login
+        // making sure the top level error reason is defined there.
+        // If an inner error or another errorReason is present, pass it along
+        // as an inner error for the top level error
+        NSError *innerError = parameters[FBInnerErrorObjectKey];
+        
+        NSError *errorToSurface = nil;
+        // If we either have an inner error (typically from another source like the native
+        // Facebook application), or if we have an error_message, then this is not a
+        // cancellation.
+        if (innerError) {
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonOtherError
+                                                    errorCode:errorCode
+                                                   innerError:innerError];
+        } else if (parameters[@"error_message"]) {
+            // If there's no inner error, then we can check for error_message as a signal for
+            // other (non-user cancelled) login failures.
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonOtherError
+                                                    errorCode:errorCode
+                                                   innerError:nil
+                                         localizedDescription:parameters[@"error_message"]];
+        }
+        
+        NSString *authLoggerResult = FBSessionAuthLoggerResultError;
+        if (!errorToSurface) {
+            // We must have a cancellation
+            authLoggerResult = FBSessionAuthLoggerResultCancelled;
+            if (errorReason) {
+                // Legacy auth responses have 'error' (or here, errorReason) for cancellations.
+                // Store that in an inner error so it isn't lost
+                innerError = [self errorLoginFailedWithReason:errorReason errorCode:nil innerError:nil];
+            }
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonUserCancelledValue
+                                                    errorCode:errorCode
+                                                   innerError:innerError];
+        }
+        
+        [self.authLogger logEndAuthMethodWithResult:authLoggerResult error:errorToSurface];
+        
+        // if the error response indicates that we should try again using Safari, open
+        // the authorization dialog in Safari.
+        if (errorReason && [errorReason isEqualToString:@"service_disabled_use_browser"]) {
+            [self retryableAuthorizeWithPermissions:self.initializedPermissions
+                                    defaultAudience:_defaultDefaultAudience
+                                     integratedAuth:NO
+                                          FBAppAuth:NO
+                                         safariAuth:YES
+                                           fallback:NO
+                                      isReauthorize:NO
+                                canFetchAppSettings:YES];
+            return YES;
+        }
+        
+        // if the error response indicates that we should try the authorization flow
+        // in an inline dialog, do that.
+        if (errorReason && [errorReason isEqualToString:@"service_disabled"]) {
+            [self retryableAuthorizeWithPermissions:self.initializedPermissions
+                                    defaultAudience:_defaultDefaultAudience
+                                     integratedAuth:NO
+                                          FBAppAuth:NO
+                                         safariAuth:NO
+                                           fallback:NO
+                                      isReauthorize:NO
+                                canFetchAppSettings:YES];
+            return YES;
+        }
+        
+        // state transition, and call the handler if there is one
+        [self transitionAndCallHandlerWithState:FBSessionStateClosedLoginFailed
+                                          error:errorToSurface
+                                      tokenData:nil
+                                    shouldCache:NO];
+    } else {
+        [self.authLogger logEndAuthMethodWithResult:FBSessionAuthLoggerResultSuccess error:nil];
+        
+        // we have an access token, so parse the expiration date.
+        NSDate *expirationDate = [FBSessionUtility expirationDateFromResponseParams:parameters];
+        
+        // set token and date, state transition, and call the handler if there is one
+        FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:accessToken
+                                                                    permissions:self.initializedPermissions
+                                                                 expirationDate:expirationDate
+                                                                      loginType:loginType
+                                                                    refreshDate:[NSDate date]];
+        [self transitionAndCallHandlerWithState:FBSessionStateOpen
+                                          error:nil
+                                      tokenData:tokenData
+                                    shouldCache:YES];
+    }
+    return YES;
+}
+
+- (BOOL)handleReauthorize:(NSDictionary*)parameters
+              accessToken:(NSString*)accessToken {
+    // if the URL doesn't contain the access token, an error has occurred.
+    if (!accessToken) {
+        // no token in this case implies that the user cancelled the permissions upgrade
+        NSError *innerError = parameters[FBInnerErrorObjectKey];
+        NSString *errorCode = parameters[@"error_code"];
+        NSString *authLoggerResult = FBSessionAuthLoggerResultError;
+
+        NSError *errorToSurface = nil;
+        // If we either have an inner error (typically from another source like the native
+        // Facebook application), or if we have an error_message, then this is not a
+        // cancellation.
+        if (innerError) {
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonOtherError
+                                                    errorCode:errorCode
+                                                   innerError:innerError];
+        } else if (parameters[@"error_message"]) {
+            // If there's no inner error, then we can check for error_message as a signal for
+            // other (non-user cancelled) login failures.
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonOtherError
+                                                    errorCode:errorCode
+                                                   innerError:nil
+                                         localizedDescription:parameters[@"error_message"]];
+        }
+
+        if (!errorToSurface) {
+            // We must have a cancellation
+            authLoggerResult = FBSessionAuthLoggerResultCancelled;
+            errorToSurface = [self errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonUserCancelled
+                                                errorCode:nil
+                                               innerError:innerError];
+        }
+        // in the reauth failure flow, we turn off the repairing flag immediately
+        // so that the handler can process the state correctly (i.e., so that
+        // the retryManager can close the session).
+        self.isRepairing = NO;
+        [self.authLogger logEndAuthMethodWithResult:authLoggerResult error:errorToSurface];
+        
+        [self callReauthorizeHandlerAndClearState:errorToSurface];
+    } else {
+        
+        // we have an access token, so parse the expiration date.
+        NSDate *expirationDate = [FBSessionUtility expirationDateFromResponseParams:parameters];
+        
+        [self validateReauthorizedAccessToken:accessToken expirationDate:expirationDate];
+    }
+
+    return YES;    
+}
+
+- (void)validateReauthorizedAccessToken:(NSString *)accessToken expirationDate:(NSDate *)expirationDate {
+    // If we're coming back from a repair scenario, we skip validation
+    if (self.isRepairing) {
+        self.isRepairing = NO;
+        // Assume permissions are unchanged at this point.
+        [self completeReauthorizeWithAccessToken:accessToken
+                                  expirationDate:expirationDate
+                                     permissions:self.permissions];
+        return;
+    }
+    
+    // now we are going to kick-off a batch request, where we confirm that the new token
+    // refers to the same fbid as the old, and if so we will succeed the reauthorize call
+    FBRequest *requestSessionMe = [FBRequest requestForGraphPath:@"me"];
+    [requestSessionMe setSession:self];
+    FBRequest *requestNewTokenMe = [[[FBRequest alloc] initWithSession:nil
+                                                             graphPath:@"me"
+                                                            parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                                        accessToken, @"access_token",
+                                                                        nil]
+                                                            HTTPMethod:nil]
+                                    autorelease];
+    
+    FBRequest *requestPermissions = [FBRequest requestForGraphPath:@"me/permissions"];
+    [requestPermissions setSession:self];
+    
+    // we create a block here with related state -- which will be the main handler block for all
+    // three requests -- wrapped by smaller blocks to provide context
+    
+    // we will use these to compare fbid's
+    __block id fbid = nil;
+    __block id fbid2 = nil;
+    __block id permissionsRefreshed = nil;
+    // and this to assure we notice when we have been called three times
+    __block int callsPending = 3;
+    
+    void (^handleBatch)(id<FBGraphUser>,id) = [[^(id<FBGraphUser> user,
+                                                 id permissions) {
+        
+        // here we accumulate state from the various callbacks
+        if (user && !fbid) {
+            fbid = [[user objectForKey:@"id"] retain];
+        } else if (user && !fbid2) {
+            fbid2 = [[user objectForKey:@"id"] retain];
+        } else if (permissions) {
+            permissionsRefreshed = [permissions retain];
+        }
+        
+        // if this was our last call, then complete the operation
+        if (!--callsPending) {
+            if ([fbid isEqual:fbid2]) {
+                id newPermissions = [[permissionsRefreshed objectAtIndex:0] allKeys];
+                if (![newPermissions isKindOfClass:[NSArray class]]) {
+                    newPermissions = nil;
+                }
+
+                [self completeReauthorizeWithAccessToken:accessToken
+                                          expirationDate:expirationDate
+                                             permissions:newPermissions];
+            } else {
+                // no we don't have matching FBIDs, then we fail on these grounds
+                NSError *error = [self errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonWrongUser
+                                                        errorCode:nil
+                                                       innerError:nil];
+                
+                [self.authLogger logEndAuthMethodWithResult:FBSessionAuthLoggerResultError error:error];
+                
+                [self callReauthorizeHandlerAndClearState:error];
+            }
+            
+            // because these are __block, we manually handle their lifetime
+            [fbid release];
+            [fbid2 release];
+            [permissionsRefreshed release];
+        }
+    } copy] autorelease];
+    
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    [connection addRequest:requestSessionMe
+         completionHandler:^(FBRequestConnection *connection, id<FBGraphUser> user, NSError *error) {
+             handleBatch(user, nil);
+         }];
+    
+    [connection addRequest:requestNewTokenMe
+         completionHandler:^(FBRequestConnection *connection, id<FBGraphUser> user, NSError *error) {
+             handleBatch(user, nil);
+         }];
+    
+    [connection addRequest:requestPermissions
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             handleBatch(nil, [result objectForKey:@"data"]);
+         }];
+    
+    [connection start];
+}
+
+- (void)reauthorizeWithPermissions:(NSArray*)permissions
+                            isRead:(BOOL)isRead
+                          behavior:(FBSessionLoginBehavior)behavior
+                   defaultAudience:(FBSessionDefaultAudience)audience
+                 completionHandler:(FBSessionRequestPermissionResultHandler)handler {
+    
+    if (!self.isOpen) {
+        // session must be open in order to reauthorize
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBSession: an attempt was made reauthorize permissions on an unopened session"
+                               userInfo:nil]
+         raise];
+    }
+    
+    if (self.reauthorizeHandler) {
+        // block must be cleared (meaning it has been called back) before a reauthorize can happen again
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:@"FBSession: It is not valid to reauthorize while a previous "
+          @"reauthorize call has not yet completed."
+                               userInfo:nil]
+         raise];
+    }
+    
+    // is everything in good order argument-wise?
+    [FBSessionUtility validateRequestForPermissions:permissions
+                             defaultAudience:audience
+                          allowSystemAccount:behavior == FBSessionLoginBehaviorUseSystemAccountIfPresent
+                                      isRead:isRead];
+    
+    // setup handler and permissions and perform the actual reauthorize
+    self.reauthorizeHandler = handler;
+    [self authorizeWithPermissions:permissions
+                          behavior:behavior
+                   defaultAudience:audience
+                     isReauthorize:YES];
+}
+
+// Internal method for "repairing" a session that has an invalid access token
+// by issuing a reauthorize call. If this gets exposed or invoked from more places,
+// seriously consider more validation (such as state checking).
+// This method will no-op if we're already repairing.
+- (void)repairWithHandler:(FBSessionRequestPermissionResultHandler) handler {
+    @synchronized (self) {
+        if (!self.isRepairing) {
+            self.isRepairing = YES;
+            FBSessionLoginBehavior loginBehavior;
+            switch (self.accessTokenData.loginType) {
+                case FBSessionLoginTypeSystemAccount: loginBehavior = FBSessionLoginBehaviorUseSystemAccountIfPresent; break;
+                case FBSessionLoginTypeFacebookApplication:
+                case FBSessionLoginTypeFacebookViaSafari: loginBehavior = FBSessionLoginBehaviorWithFallbackToWebView; break;
+                case FBSessionLoginTypeWebView: loginBehavior = FBSessionLoginBehaviorForcingWebView; break;
+                default: loginBehavior = FBSessionLoginBehaviorUseSystemAccountIfPresent;
+            }
+            
+            if (self.reauthorizeHandler) {
+                [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                                    logEntry:@"Warning: a session is being reconnected while there might have been an existing reauthorization in progress. The pre-existing reauthorization will be ignored."];
+            }
+            self.reauthorizeHandler = handler;
+            
+            [self authorizeWithPermissions:nil
+                                  behavior:loginBehavior
+                           defaultAudience:FBSessionDefaultAudienceNone
+                             isReauthorize:YES];
+        } else {
+            // We're already repairing so further attempts at repairs
+            // (by other FBRequestConnection instances) should simply
+            // be treated as errors (i.e., we do not support queueing
+            // until the repair is resolved).
+            if (handler) {
+                handler(self, [NSError errorWithDomain:FacebookSDKDomain code:FBErrorSessionReconnectInProgess userInfo:nil]);
+            }
+        }
+    }
+}
+
+- (void)completeReauthorizeWithAccessToken:(NSString*)accessToken
+                            expirationDate:(NSDate*)expirationDate
+                               permissions:(NSArray*)permissions {
+    [self.authLogger logEndAuthMethodWithResult:FBSessionAuthLoggerResultSuccess error:nil];
+    
+    // set token and date, state transition, and call the handler if there is one
+    NSDate *now = [NSDate date];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:accessToken
+                                                                permissions:permissions
+                                                             expirationDate:expirationDate
+                                                                  loginType:FBSessionLoginTypeNone
+                                                                refreshDate:now
+                                                     permissionsRefreshDate:now];
+    [self transitionAndCallHandlerWithState:FBSessionStateOpenTokenExtended
+                                      error:nil
+                                  tokenData:tokenData
+                                shouldCache:YES];
+    
+    // no error, ack a completed permission upgrade
+    [self callReauthorizeHandlerAndClearState:nil];
+}
+
+-(void)authorizeRequestWasImplicitlyCancelled {
+    
+    const FBSessionState state = self.state;
+    
+    if (state == FBSessionStateCreated ||
+        state == FBSessionStateClosed ||
+        state == FBSessionStateClosedLoginFailed){
+        return;
+    }
+    
+    //we also skip FBSessionLoginTypeWebView because the FBDialogDelegate will handle
+    // the flow on its own. Otherwise, the dismissal of the webview will incorrectly
+    // trigger this block.
+    if (_loginTypeOfPendingOpenUrlCallback != FBSessionLoginTypeNone
+        && _loginTypeOfPendingOpenUrlCallback != FBSessionLoginTypeWebView){
+        
+        if (state == FBSessionStateCreatedOpening){
+            //if we're here, user had declined a fast app switch login.
+            [self close];
+        } else {
+            //this means the user declined a 'reauthorization' so we need
+            // to clean out the in-flight request.
+            NSError *error = [self errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonUserCancelled
+                                                    errorCode:nil
+                                                   innerError:nil];
+            [self callReauthorizeHandlerAndClearState:error];
+        }
+        _loginTypeOfPendingOpenUrlCallback = FBSessionLoginTypeNone;
+    }
+}
+
+- (void)refreshAccessToken:(NSString*)token 
+            expirationDate:(NSDate*)expireDate {
+    // refresh token and date, state transition, and call the handler if there is one
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:token ?: self.accessTokenData.accessToken
+                                                                permissions:self.accessTokenData.permissions
+                                                             expirationDate:expireDate
+                                                                  loginType:FBSessionLoginTypeNone
+                                                                refreshDate:[NSDate date]
+                                                     permissionsRefreshDate:self.accessTokenData.permissionsRefreshDate];
+    [self transitionAndCallHandlerWithState:FBSessionStateOpenTokenExtended
+                                      error:nil
+                                  tokenData:tokenData
+                                shouldCache:YES];
+}
+
+- (BOOL)shouldExtendAccessToken {
+    BOOL result = NO;
+    NSDate *now = [NSDate date];
+    BOOL isFacebookLogin = self.accessTokenData.loginType == FBSessionLoginTypeFacebookApplication
+                            || self.accessTokenData.loginType == FBSessionLoginTypeFacebookViaSafari
+                            || self.accessTokenData.loginType == FBSessionLoginTypeSystemAccount;
+    
+    if (self.isOpen &&
+        isFacebookLogin &&
+        [now timeIntervalSinceDate:self.attemptedRefreshDate] > FBTokenRetryExtendSeconds &&
+        [now timeIntervalSinceDate:self.accessTokenData.refreshDate] > FBTokenExtendThresholdSeconds) {
+        result = YES;
+        self.attemptedRefreshDate = now;
+    }
+    return result;
+}
+
+// For simplicity, checking `shouldRefreshPermission` will toggle the flag
+// such that future calls within the next hour (as defined by the threshold constant)
+// will return NO. Therefore, you should only call this method if you are also
+// prepared to actually `refreshPermissions`.
+- (BOOL)shouldRefreshPermissions {
+    @synchronized(self.attemptedPermissionsRefreshDate) {
+        NSDate *now = [NSDate date];
+        
+        if (self.isOpen &&
+            // Share the same thresholds as the access token string for convenience, we may change in the future.
+            [now timeIntervalSinceDate:self.attemptedPermissionsRefreshDate] > FBTokenRetryExtendSeconds &&
+            [now timeIntervalSinceDate:self.accessTokenData.permissionsRefreshDate] > FBTokenExtendThresholdSeconds) {
+            self.attemptedPermissionsRefreshDate = now;
+            return YES;
+        }
+    }
+    return NO;
+}
+
+- (void)refreshPermissions:(NSArray *)permissions {
+    NSDate *now = [NSDate date];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:self.accessTokenData.accessToken
+                                                                permissions:permissions
+                                                             expirationDate:self.accessTokenData.expirationDate
+                                                                  loginType:self.accessTokenData.loginType
+                                                                refreshDate:self.accessTokenData.refreshDate
+                                                     permissionsRefreshDate:now];
+    self.attemptedPermissionsRefreshDate = now;
+    // Note we intentionally do not notify KVO that `accessTokenData `is changing since
+    // the implied contract is for that to only occur during state transitions.
+    self.accessTokenData = tokenData;
+    [self.tokenCachingStrategy cacheFBAccessTokenData:self.accessTokenData];
+}
+
+// Internally accessed, so we can bind the affinitized thread later.
+- (void)clearAffinitizedThread {
+    self.affinitizedThread = nil;
+}
+
+- (void)checkThreadAffinity {
+
+    // Validate affinity, or, if not established, establish it.
+    if (self.affinitizedThread) {
+        NSAssert(self.affinitizedThread == [NSThread currentThread],
+                 @"FBSession: should only be used from a single thread");
+    } else {
+        self.affinitizedThread = [NSThread currentThread];
+    }
+}
+
+
+// core handler for inline UX flow
+- (void)fbDialogLogin:(NSString *)accessToken expirationDate:(NSDate *)expirationDate {
+    // no reason to keep this object
+    self.loginDialog = nil;
+
+    NSTimeInterval expirationTimeInterval = [expirationDate timeIntervalSinceNow];
+    NSDictionary* params = [[NSMutableDictionary alloc] initWithObjectsAndKeys:[[NSNumber numberWithDouble:expirationTimeInterval] stringValue], @"expires_in", nil];
+    
+    [self handleAuthorizationCallbacks:accessToken params:params loginType:FBSessionLoginTypeWebView];
+    [params release];
+}
+
+// core handler for inline UX flow
+- (void)fbDialogNotLogin:(BOOL)cancelled {
+    // done with this
+    self.loginDialog = nil;
+
+    NSString *reason =
+        cancelled ? FBErrorLoginFailedReasonInlineCancelledValue : FBErrorLoginFailedReasonInlineNotCancelledValue;
+    NSDictionary* params = [[NSMutableDictionary alloc] initWithObjectsAndKeys:reason, @"error", nil];
+    
+    [self handleAuthorizationCallbacks:nil
+                                params:params
+                             loginType:FBSessionLoginTypeWebView];
+    [params release];
+}
+
+#pragma mark - Private Members (private helpers)
+
+// helper to wrap-up handler callback and state-change
+- (void)transitionAndCallHandlerWithState:(FBSessionState)status
+                                    error:(NSError*)error
+                                tokenData:(FBAccessTokenData *)tokenData
+                              shouldCache:(BOOL)shouldCache {
+
+    
+    // lets get the state transition out of the way
+    BOOL didTransition = [self transitionToState:status
+                             withAccessTokenData:tokenData
+                                     shouldCache:shouldCache];
+    
+    NSString *authLoggerResult = FBSessionAuthLoggerResultError;
+    if (!error) {
+        authLoggerResult = ((status == FBSessionStateClosedLoginFailed) ?
+                            FBSessionAuthLoggerResultCancelled :
+                            FBSessionAuthLoggerResultSuccess);
+    } else if ([error.userInfo[FBErrorLoginFailedReason] isEqualToString:FBErrorLoginFailedReasonUserCancelledValue]) {
+        authLoggerResult = FBSessionAuthLoggerResultCancelled;
+    }
+    
+    [self.authLogger logEndAuthWithResult:authLoggerResult error:error];
+    self.authLogger = nil; // Nil out the logger so there aren't any rogue events logged.
+
+    // if we are given a handler, we promise to call it once per transition from open to close
+
+    // note the retain message works the same as a copy because loginHandler was already declared
+    // as a copy property.
+    FBSessionStateHandler handler = [self.loginHandler retain];
+
+    @try {
+        // the moment we transition to a terminal state, we release our handlers, and possibly fail-call reauthorize
+        if (didTransition && FB_ISSESSIONSTATETERMINAL(self.state)) {
+            self.loginHandler = nil;
+            
+            NSError *error = [self errorLoginFailedWithReason:FBErrorReauthorizeFailedReasonSessionClosed
+                                                    errorCode:nil
+                                                   innerError:nil];
+            [self callReauthorizeHandlerAndClearState:error];
+        }
+        
+        // if we have a handler, call it and release our
+        // final retain on the handler
+        if (handler) {
+            
+            // unsuccessful transitions don't change state and don't propagate the error object
+            handler(self,
+                    self.state,
+                    didTransition ? error : nil);
+            
+        }
+    }
+    @finally {
+        // now release our stack reference
+        [handler release];
+    }
+}
+
+- (void)callReauthorizeHandlerAndClearState:(NSError*)error {
+    NSString *authLoggerResult = FBSessionAuthLoggerResultSuccess;
+    if (error) {
+        authLoggerResult = ([error.userInfo[FBErrorLoginFailedReason] isEqualToString:FBErrorReauthorizeFailedReasonUserCancelled] ?
+                            FBSessionAuthLoggerResultCancelled :
+                            FBSessionAuthLoggerResultError);
+    }
+    
+    [self.authLogger logEndAuthWithResult:authLoggerResult error:error];
+    self.authLogger = nil; // Nil out the logger so there aren't any rogue events logged.
+
+    // clear state and call handler
+    FBSessionRequestPermissionResultHandler reauthorizeHandler = [self.reauthorizeHandler retain];
+    @try {
+        self.reauthorizeHandler = nil;
+        
+        if (reauthorizeHandler) {
+            reauthorizeHandler(self, error);
+        }
+    }
+    @finally {
+        [reauthorizeHandler release];
+    }
+
+    self.isRepairing = NO;
+}
+
+- (NSString *)appBaseUrl {
+    return [FBUtility stringAppBaseUrlFromAppId:self.appID urlSchemeSuffix:self.urlSchemeSuffix];
+}
+
+- (NSError*)errorLoginFailedWithReason:(NSString*)errorReason
+                             errorCode:(NSString*)errorCode
+                            innerError:(NSError*)innerError {
+    return [self errorLoginFailedWithReason:errorReason errorCode:errorCode innerError:innerError localizedDescription:nil];
+}
+
+- (NSError*)errorLoginFailedWithReason:(NSString*)errorReason
+                             errorCode:(NSString*)errorCode
+                            innerError:(NSError*)innerError
+                  localizedDescription:(NSString*)localizedDescription {
+    // capture reason and nested code as user info
+    NSMutableDictionary* userinfo = [[NSMutableDictionary alloc] init];
+    if (errorReason) {
+        userinfo[FBErrorLoginFailedReason] = errorReason;
+    }
+    if (errorCode) {
+        userinfo[FBErrorLoginFailedOriginalErrorCode] = errorCode;
+    }
+    if (innerError) {
+        userinfo[FBErrorInnerErrorKey] = innerError;
+    }
+    if (localizedDescription) {
+        userinfo[NSLocalizedDescriptionKey] = localizedDescription;
+    }
+    userinfo[FBErrorSessionKey] = self;
+    
+    // create error object
+    NSError *err = [NSError errorWithDomain:FacebookSDKDomain
+                                       code:FBErrorLoginFailedOrCancelled
+                                   userInfo:userinfo];
+    [userinfo release];
+    return err;
+}
+
+- (NSString *)jsonClientStateWithDictionary:(NSDictionary *)dictionary{
+    NSMutableDictionary *clientState = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                 [NSNumber numberWithBool:YES], FBLoginUXClientStateIsClientState,
+                                 [NSNumber numberWithBool:YES], FBLoginUXClientStateIsOpenSession,
+                                 [NSNumber numberWithBool:(self == g_activeSession)], FBLoginUXClientStateIsActiveSession,
+                                 nil];
+    [clientState addEntriesFromDictionary:dictionary];
+    NSString *clientStateString = [FBUtility simpleJSONEncode:clientState];
+    
+    return clientStateString ?: @"{}";
+}
+
+
++ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key {
+    // these properties must manually notify for KVO
+    if ([key isEqualToString:FBisOpenPropertyName] ||
+        [key isEqualToString:FBaccessTokenPropertyName] ||
+        [key isEqualToString:FBaccessTokenDataPropertyName] ||
+        [key isEqualToString:FBexpirationDatePropertyName] ||
+        [key isEqualToString:FBstatusPropertyName]) {
+        return NO;
+    } else {
+        return [super automaticallyNotifiesObserversForKey:key];
+    }
+}
+
+#pragma mark -
+#pragma mark Internal members
+
+- (BOOL)openFromAccessTokenData:(FBAccessTokenData *)accessTokenData
+              completionHandler:(FBSessionStateHandler) handler
+   raiseExceptionIfInvalidState:(BOOL)raiseException {
+    if (accessTokenData == nil) {
+        return NO;
+    }
+    
+    // TODO : Need to support more states (possibly as simple as !isOpen) in the case that this is g_activeSession,
+    // and ONLY in that case.
+    if (!(self.state == FBSessionStateCreated)) {
+        if (raiseException) {
+            [[NSException exceptionWithName:FBInvalidOperationException
+                                     reason:@"FBSession: cannot open a session from token data from its current state"
+                                   userInfo:nil]
+             raise];
+        } else {
+            return NO;
+        }
+    }
+    
+    BOOL result = NO;
+    if ([self initializeFromCachedToken:accessTokenData withPermissions:nil]) {
+        [self openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:handler];
+        result = self.isOpen;
+        
+        [self.tokenCachingStrategy cacheFBAccessTokenData:accessTokenData];
+    }
+    return result;
+}
+
++ (BOOL)openActiveSessionWithPermissions:(NSArray*)permissions
+                            allowLoginUI:(BOOL)allowLoginUI
+                      allowSystemAccount:(BOOL)allowSystemAccount
+                                  isRead:(BOOL)isRead
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                       completionHandler:(FBSessionStateHandler)handler {
+    // is everything in good order?
+    [FBSessionUtility validateRequestForPermissions:permissions
+                             defaultAudience:defaultAudience
+                          allowSystemAccount:allowSystemAccount
+                                      isRead:isRead];
+    BOOL result = NO;
+    FBSession *session = [[[FBSession alloc] initWithAppID:nil
+                                               permissions:permissions
+                                           defaultAudience:defaultAudience
+                                           urlSchemeSuffix:nil
+                                        tokenCacheStrategy:nil]
+                          autorelease];
+    if (allowLoginUI || session.state == FBSessionStateCreatedTokenLoaded) {
+        [FBSession setActiveSession:session];
+        // we open after the fact, in order to avoid overlapping close
+        // and open handler calls for blocks
+        FBSessionLoginBehavior howToBehave = allowSystemAccount ?
+                                                FBSessionLoginBehaviorUseSystemAccountIfPresent :
+                                                    FBSessionLoginBehaviorWithFallbackToWebView;
+        [session openWithBehavior:howToBehave
+                completionHandler:handler];
+        result = session.isOpen;
+    }
+    return result;
+}
+
++ (FBSession*)activeSessionIfExists {
+    return g_activeSession;
+}
+
++ (FBSession*)activeSessionIfOpen {
+    if (g_activeSession.isOpen) {
+        return FBSession.activeSession;
+    }
+    return nil;
+}
+
+// This method is used to support early versions of native login that were using the
+// platform module's error domain to pass through server errors. The goal is to put those
+// errors in a separate domain to avoid collisions.
++ (NSError *)sdkSurfacedErrorForNativeLoginError:(NSError *)nativeLoginError {
+    NSError *error = nativeLoginError;
+    if ([nativeLoginError.domain isEqualToString:FacebookNativeApplicationDomain]) {
+        error = [NSError errorWithDomain:FacebookNativeApplicationLoginDomain
+                                    code:nativeLoginError.code
+                                userInfo:nativeLoginError.userInfo];
+    }
+    
+    return error;
+}
+
+- (void)closeAndClearTokenInformation:(NSError*) error {
+    [self checkThreadAffinity];
+    
+    [[FBDataDiskCache sharedCache] removeDataForSession:self];
+    [self.tokenCachingStrategy clearToken];
+    
+    // If we are not already in a terminal state, go to Closed.
+    if (!FB_ISSESSIONSTATETERMINAL(self.state)) {
+        [self transitionAndCallHandlerWithState:FBSessionStateClosed
+                                          error:error
+                                      tokenData:nil
+                                    shouldCache:NO];
+    }
+}
+
+#pragma mark -
+#pragma mark Debugging helpers
+
+- (NSString*)description {
+    NSString *stateDescription = [FBSessionUtility sessionStateDescription:self.state];
+	return [NSString stringWithFormat:@"<%@: %p, state: %@, loginHandler: %p, appID: %@, urlSchemeSuffix: %@, tokenCachingStrategy:%@, expirationDate: %@, refreshDate: %@, attemptedRefreshDate: %@, permissions:%@>",
+            NSStringFromClass([self class]), 
+            self, 
+            stateDescription,
+            self.loginHandler,
+            self.appID,
+            self.urlSchemeSuffix,
+            [self.tokenCachingStrategy description],
+            self.accessTokenData.expirationDate,
+            self.accessTokenData.refreshDate,
+            self.attemptedRefreshDate,
+            [self.accessTokenData.permissions description]];    
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.h b/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.h
new file mode 100644
index 0000000..0c8f553
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/**
+ Internal class that holds all the state associated with FBAppEvents for a particular FBSession.  An
+ instance of this lives on FBSession.
+ */
+@interface FBSessionAppEventsState : NSObject
+
+@property (readonly, retain) NSMutableArray *accumulatedEvents;
+@property (readonly, retain) NSMutableArray *inFlightEvents;
+@property (readwrite) int numSkippedEventsDueToFullBuffer;
+@property (readwrite) BOOL requestInFlight;
+
+- (void)addEvent:(NSDictionary *)eventDictionary
+      isImplicit:(BOOL)isImplicit;
+- (NSString *)jsonEncodeInFlightEvents:(BOOL)includeImplicitEvents;
+- (NSUInteger)getAccumulatedEventCount;
+- (void)clearInFlightAndStats;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.m b/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.m
new file mode 100644
index 0000000..e2e7907
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAppEventsState.m
@@ -0,0 +1,104 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionAppEventsState.h"
+#import "FBUtility.h"
+
+@interface FBSessionAppEventsState ()
+
+@property (readwrite, retain) NSMutableArray *accumulatedEvents;
+@property (readwrite, retain) NSMutableArray *inFlightEvents;
+
+@end
+
+@implementation FBSessionAppEventsState
+
+const int MAX_ACCUMULATED_LOG_EVENTS                 = 1000;
+
+@synthesize accumulatedEvents = _accumulatedEvents;
+@synthesize inFlightEvents = _inFlightEvents;
+@synthesize numSkippedEventsDueToFullBuffer;
+@synthesize requestInFlight;
+
+- (id)init {
+    if (self = [super init]) {
+        _accumulatedEvents = [[NSMutableArray alloc] init];
+        _inFlightEvents = [[NSMutableArray alloc] init];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    self.accumulatedEvents = nil;
+    self.inFlightEvents = nil;
+    
+    [super dealloc];
+}
+
+- (void)addEvent:(NSDictionary *)eventDictionary
+      isImplicit:(BOOL)isImplicit {
+    
+    @synchronized (self) {
+        if (self.accumulatedEvents.count + self.inFlightEvents.count >= MAX_ACCUMULATED_LOG_EVENTS) {
+            // Skip, but record that we've done so.  This gets sent in the post when we do flush.
+            self.numSkippedEventsDueToFullBuffer++;
+        } else {
+            [self.accumulatedEvents addObject:@{@"event" : eventDictionary,
+                                                @"isImplicit" : [NSNumber numberWithBool:isImplicit],
+                                               }];
+        }
+    }
+}
+
+- (NSUInteger)getAccumulatedEventCount {
+    @synchronized (self) {
+        return self.accumulatedEvents.count;
+    }
+}
+
+- (void)clearInFlightAndStats {
+    @synchronized (self) {
+        [self.inFlightEvents removeAllObjects];
+        self.numSkippedEventsDueToFullBuffer = 0;
+    }
+}
+
+// JSON representation of the in-flight events, potentially excluding those marked as implicit.  Return
+// nil if the resultant set of events is empty.
+- (NSString *)jsonEncodeInFlightEvents:(BOOL)includeImplicitEvents {
+    
+    NSMutableArray *eventArray = [[NSMutableArray alloc] initWithCapacity:self.inFlightEvents.count];
+    
+    for (NSDictionary *eventAndImplicitFlag in self.inFlightEvents) {
+        if (!includeImplicitEvents && [[eventAndImplicitFlag objectForKey:@"isImplicit"] boolValue]) {
+            continue;
+        }
+        [eventArray addObject:[eventAndImplicitFlag objectForKey:@"event"]];
+    }
+    
+    NSString *jsonEncodedEvents = nil;
+    if (eventArray.count != 0) {
+        jsonEncodedEvents = [FBUtility simpleJSONEncode:eventArray];
+    }
+
+    [eventArray release];
+    
+    return jsonEncodedEvents;    
+}
+
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.h
new file mode 100644
index 0000000..f610adc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionAppSwitchingLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.m
new file mode 100644
index 0000000..123684b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAppSwitchingLoginStategy.m
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAppSwitchingLoginStategy.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionFacebookAppNativeLoginStategy.h"
+#import "FBSessionFacebookAppWebLoginStategy.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBSessionSafariLoginStategy.h"
+#import "FBUtility.h"
+
+// A composite login strategy that tries strategies that require app switching
+// (e.g., native gdp, native web gdp, safari)
+@interface FBSessionAppSwitchingLoginStategy()
+
+@property (copy, nonatomic, readwrite) NSString *methodName;
+
+@end
+
+@implementation FBSessionAppSwitchingLoginStategy
+
+- (id)init {
+    if ((self = [super init])){
+        self.methodName = FBSessionAuthLoggerAuthMethodFBApplicationNative;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_methodName release];
+    [super dealloc];
+}
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    // if the device is running a version of iOS that supports multitasking,
+    // try to obtain the access token from the Facebook app installed
+    // on the device.
+    // If the Facebook app isn't installed or it doesn't support
+    // the fbauth:// URL scheme, fall back on Safari for obtaining the access token.
+    // This minimizes the chance that the user will have to enter his or
+    // her credentials in order to authorize the application.
+    BOOL isMultitaskingSupported = [FBUtility isMultitaskingSupported];
+    BOOL isURLSchemeRegistered = [session isURLSchemeRegistered];;
+    
+    [logger addExtrasForNextEvent:@{
+     @"isMultitaskingSupported":@(isMultitaskingSupported),
+     @"isURLSchemeRegistered":@(isURLSchemeRegistered)
+     }];
+    
+    if (isMultitaskingSupported &&
+        isURLSchemeRegistered &&
+        !TEST_DISABLE_MULTITASKING_LOGIN) {
+        
+        NSArray *loginStrategies = @[ [[[FBSessionFacebookAppNativeLoginStategy alloc] init] autorelease],
+                                      [[[FBSessionFacebookAppWebLoginStategy alloc] init] autorelease],
+                                      [[[FBSessionSafariLoginStategy alloc] init] autorelease] ];
+        
+        for (id<FBSessionLoginStrategy> loginStrategy in loginStrategies) {
+            
+            if ([loginStrategy tryPerformAuthorizeWithParams:params session:session logger:logger]) {
+                self.methodName = loginStrategy.methodName;
+                return YES;
+            }
+        }
+        
+        [session setLoginTypeOfPendingOpenUrlCallback:FBSessionLoginTypeNone];
+    }
+    return NO;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.h b/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.h
new file mode 100644
index 0000000..7cd5104
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBSession+Internal.h"
+
+// Keys to be used to serialize the logger (e.g. into JSON)
+extern NSString *const FBSessionAuthLoggerParamAuthMethodKey;
+extern NSString *const FBSessionAuthLoggerParamIDKey;
+
+// The names of the authentication methods that are supported
+extern NSString *const FBSessionAuthLoggerAuthMethodIntegrated;
+extern NSString *const FBSessionAuthLoggerAuthMethodFBApplicationNative;
+extern NSString *const FBSessionAuthLoggerAuthMethodFBApplicationWeb;
+extern NSString *const FBSessionAuthLoggerAuthMethodBrowser;
+extern NSString *const FBSessionAuthLoggerAuthMethodFallback;
+
+// Well-known result strings.
+extern NSString *const FBSessionAuthLoggerResultSuccess;
+extern NSString *const FBSessionAuthLoggerResultError;
+extern NSString *const FBSessionAuthLoggerResultCancelled;
+extern NSString *const FBSessionAuthLoggerResultSkipped;
+
+/*
+ * This class is used specifically for logging events during auth/reauth cycles, for internal
+ * debugging purposes.
+ */
+@interface FBSessionAuthLogger : NSObject
+
+@property (nonatomic, readonly) NSString *ID;
+
+/*!
+ @abstract
+ Returns an initialized FBSessionAuthLogger instance.
+ 
+ @discussion The passed in FBSession is not retained to avoid circular references
+ */
+- (id)initWithSession:(FBSession *)session;
+
+/*!
+ @abstract
+ Returns an initialized FBSessionAuthLogger instance with the passed in parameters. This method
+ is designed to be used when deserializing a logger from a URL.
+ 
+ @discussion The passed in FBSession is not retained to avoid circular references
+ */
+- (id)initWithSession:(FBSession *)session ID:(NSString *)ID authMethod:(NSString *)authMethod;
+
+/*!
+ @abstract
+ Add JSON-serializable data to the 'extras' JSON blob that is attached to these auth events. The
+ keys and values passed in here will be attached to the next event that is logged via this
+ logger, and cleared after that. They are lost if no events are logged after a call to this method.
+ Multiple calls to this method between log events, will append all the extras together.
+ */
+- (void)addExtrasForNextEvent:(NSDictionary *)metadata;
+
+/*!
+ @abstract
+ Logs the start of an auth request
+ */
+- (void)logStartAuth;
+
+/*!
+ @abstract
+ Logs the start of a specific auth method, as part of an auth request (e.g. Native GDP)
+ */
+- (void)logStartAuthMethod:(NSString *)authMethodName;
+
+/*!
+ @abstract
+ Logs the end of the last-known auth method with the passed in result and error
+ */
+- (void)logEndAuthMethodWithResult:(NSString *)result error:(NSError *)error;
+
+/*!
+ @abstract
+ Logs the end of the overall auth request with the passed in result and error
+ */
+- (void)logEndAuthWithResult:(NSString *)result error:(NSError *)error;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.m b/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.m
new file mode 100644
index 0000000..90922e6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionAuthLogger.m
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionAuthLogger.h"
+#import "FBUtility.h"
+#import "FBAppEvents+Internal.h"
+#import "FBError.h"
+
+// NOTE: The parameters are prefixed with a number (0-9) to allow us to determine sort order.
+// These keys are sorted on the backend before being mapped to custom columns. Determining the order
+// on the client will make it easier to parse through logs, and will allow future columns to be mapped
+// predictably on the backend.
+NSString *const FBSessionAuthLoggerParamIDKey = @"0_auth_logger_id";
+NSString *const FBSessionAuthLoggerParamTimestampKey = @"1_timestamp_ms";
+NSString *const FBSessionAuthLoggerParamResultKey = @"2_result";
+NSString *const FBSessionAuthLoggerParamAuthMethodKey = @"3_method";
+NSString *const FBSessionAuthLoggerParamErrorCodeKey = @"4_error_code";
+NSString *const FBSessionAuthLoggerParamErrorMessageKey = @"5_error_message";
+NSString *const FBSessionAuthLoggerParamExtrasKey = @"6_extras";
+
+NSString *const FBSessionAuthLoggerAuthMethodIntegrated = @"integrated_auth";
+NSString *const FBSessionAuthLoggerAuthMethodFBApplicationNative = @"fb_application_native_auth";
+NSString *const FBSessionAuthLoggerAuthMethodFBApplicationWeb = @"fb_application_web_auth";
+NSString *const FBSessionAuthLoggerAuthMethodBrowser = @"browser_auth";
+NSString *const FBSessionAuthLoggerAuthMethodFallback = @"fallback_auth";
+
+NSString *const FBSessionAuthLoggerResultSuccess = @"success";
+NSString *const FBSessionAuthLoggerResultError = @"error";
+NSString *const FBSessionAuthLoggerResultCancelled = @"cancelled";
+NSString *const FBSessionAuthLoggerResultSkipped = @"skipped";
+
+NSString *const FBSessionAuthLoggerParamEmptyValue = @"";
+
+@interface FBSessionAuthLogger ()
+
+@property (nonatomic, readwrite, copy) NSString *ID;
+@property (nonatomic, retain) NSMutableDictionary *extras;
+@property (nonatomic, assign) FBSession *session;
+@property (nonatomic, copy) NSString *authMethod;
+
+@end
+
+@implementation FBSessionAuthLogger
+
+- (id)initWithSession:(FBSession *)session {
+    return [self initWithSession:session
+                              ID:nil
+                      authMethod:nil];
+}
+
+- (id)initWithSession:(FBSession *)session ID:(NSString *)ID authMethod:(NSString *)authMethod {
+    self = [super init];
+    if (self) {
+        self.ID = ID ?: [[FBUtility newUUIDString] autorelease];
+        self.authMethod = authMethod;
+        self.extras = [NSMutableDictionary dictionary];
+        self.session = session;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_ID release];
+    [_extras release];
+    [_authMethod release];
+    
+    [super dealloc];
+}
+
+- (void)addExtrasForNextEvent:(NSDictionary *)extras {
+    [self.extras addEntriesFromDictionary:extras];
+}
+
+- (void)logEvent:(NSString *)eventName params:(NSMutableDictionary *)params {
+    if (!self.session || !self.ID) {
+        return;
+    }
+    
+    NSString *extrasJSONString = [FBUtility simpleJSONEncode:self.extras];
+    if (extrasJSONString) {
+        params[FBSessionAuthLoggerParamExtrasKey] = extrasJSONString;
+    }
+    
+    [self.extras removeAllObjects];
+    
+    [FBAppEvents logImplicitEvent:eventName valueToSum:nil parameters:params session:self.session];
+}
+
+- (void)logEvent:(NSString *)eventName result:(NSString *)result error:(NSError *)error {
+    NSMutableDictionary *params = [[self newEventParameters] autorelease];
+
+    params[FBSessionAuthLoggerParamResultKey] = result;
+    
+    if ([error.domain isEqualToString:FacebookSDKDomain]) {
+        // tease apart the structure.
+        
+        // first see if there is an explicit message in the error's userInfo. If not, default to the reason,
+        // which is less useful.
+        NSString *value = error.userInfo[@"error_message"] ?: error.userInfo[FBErrorLoginFailedReason];
+        if (value) {
+            params[FBSessionAuthLoggerParamErrorMessageKey] = value;
+        }
+
+        value = error.userInfo[FBErrorLoginFailedOriginalErrorCode] ?: [NSString stringWithFormat:@"%ld", (long)error.code];
+        if (value) {
+            params[FBSessionAuthLoggerParamErrorCodeKey] = value;
+        }
+        
+        NSError *innerError = error.userInfo[FBErrorInnerErrorKey];
+        value = innerError.userInfo[@"error_message"] ?: innerError.userInfo[FBErrorLoginFailedReason];
+        if (value) {
+            [self addExtrasForNextEvent:@{@"inner_error_message": value}];
+        }
+        
+        value = innerError.userInfo[FBErrorLoginFailedOriginalErrorCode] ?: [NSString stringWithFormat:@"%ld", (long)innerError.code];
+        if (value) {
+            [self addExtrasForNextEvent:@{@"inner_error_code": value}];
+        }
+    } else if (error) {
+        params[FBSessionAuthLoggerParamErrorCodeKey] = [NSNumber numberWithInteger:error.code];
+    }
+    
+    [self logEvent:eventName params:params];
+}
+
+- (void)logStartAuth {
+    [self logEvent:FBAppEventNameFBSessionAuthStart params:[[self newEventParameters] autorelease]];
+}
+
+- (void)logStartAuthMethod:(NSString *)authMethodName {
+    self.authMethod = authMethodName;
+    [self logEvent:FBAppEventNameFBSessionAuthMethodStart params:[[self newEventParameters] autorelease]];
+}
+
+- (void)logEndAuthMethodWithResult:(NSString *)result error:(NSError *)error {
+    [self logEvent:FBAppEventNameFBSessionAuthMethodEnd result:result error:error];
+    self.authMethod = nil;
+}
+
+- (void)logEndAuthWithResult:(NSString *)result error:(NSError *)error {
+    [self logEvent:FBAppEventNameFBSessionAuthEnd result:result error:error];
+}
+
+- (NSMutableDictionary *)newEventParameters {
+    NSMutableDictionary *eventParameters = [[NSMutableDictionary alloc] init];
+
+    // NOTE: We ALWAYS add all params to each event, to ensure predictable mapping on the backend.
+    eventParameters[FBSessionAuthLoggerParamIDKey] = self.ID ?: FBSessionAuthLoggerParamEmptyValue;
+    eventParameters[FBSessionAuthLoggerParamTimestampKey] = [NSNumber numberWithDouble:round(1000 * [[NSDate date] timeIntervalSince1970])];
+    eventParameters[FBSessionAuthLoggerParamResultKey] = FBSessionAuthLoggerParamEmptyValue;
+    eventParameters[FBSessionAuthLoggerParamAuthMethodKey] = self.authMethod ?: FBSessionAuthLoggerParamEmptyValue;
+    eventParameters[FBSessionAuthLoggerParamErrorCodeKey] = FBSessionAuthLoggerParamEmptyValue;
+    eventParameters[FBSessionAuthLoggerParamErrorMessageKey] = FBSessionAuthLoggerParamEmptyValue;
+    eventParameters[FBSessionAuthLoggerParamExtrasKey] = FBSessionAuthLoggerParamEmptyValue;
+
+    return eventParameters;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.h
new file mode 100644
index 0000000..92d631d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionFacebookAppNativeLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.m
new file mode 100644
index 0000000..3a4c74f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppNativeLoginStategy.m
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBSessionFacebookAppNativeLoginStategy.h"
+#import "FBUtility.h"
+
+@implementation FBSessionFacebookAppNativeLoginStategy
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    if (params.tryFBAppAuth) {
+        FBFetchedAppSettings *fetchedSettings = [FBUtility fetchedAppSettings];
+        [logger addExtrasForNextEvent:@{
+         @"hasFetchedAppSettings": @(fetchedSettings != nil),
+         @"pListFacebookDisplayName": [FBSettings defaultDisplayName] ?: @"<missing>"
+         }];
+        if ([FBSettings defaultDisplayName] &&            // don't autoselect Native Login unless the app has been setup for it,
+            [session.appID isEqualToString:[FBSettings defaultAppID]] && // If the appId has been overridden, then the bridge cannot be used and native login is denied
+            (fetchedSettings || params.canFetchAppSettings) &&   // and we have app-settings available to us, or could fetch if needed
+            !TEST_DISABLE_FACEBOOKNATIVELOGIN) {
+            if (!fetchedSettings) {
+                // fetch the settings and call the session auth method again.
+                [FBUtility fetchAppSettings:[FBSettings defaultAppID] callback:^(FBFetchedAppSettings * settings, NSError * error) {
+                    [session retryableAuthorizeWithPermissions:params.permissions
+                                               defaultAudience:params.defaultAudience
+                                                integratedAuth:params.tryIntegratedAuth
+                                                     FBAppAuth:params.tryFBAppAuth
+                                                    safariAuth:params.trySafariAuth
+                                                      fallback:params.tryFallback
+                                                 isReauthorize:params.isReauthorize
+                                           canFetchAppSettings:NO];
+                }];
+                return YES;
+            } else {
+                [logger addExtrasForNextEvent:@{
+                 @"suppressNativeGdp": @(fetchedSettings.suppressNativeGdp),
+                 @"serverAppName": fetchedSettings.serverAppName ?: @"<missing>"
+                 }];
+                if (!fetchedSettings.suppressNativeGdp) {
+                    if (![[FBSettings defaultDisplayName] isEqualToString:fetchedSettings.serverAppName]) {
+                        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                                            logEntry:@"PLIST entry for FacebookDisplayName does not match Facebook app name."];
+                        [logger addExtrasForNextEvent:@{
+                         @"nameMismatch": @(YES)
+                         }];
+                    }
+                    
+                    NSDictionary *clientState = @{FBSessionAuthLoggerParamAuthMethodKey: self.methodName,
+                                                  FBSessionAuthLoggerParamIDKey : logger.ID ?: @""};
+                    
+                    FBAppCall *call = [session authorizeUsingFacebookNativeLoginWithPermissions:params.permissions
+                                                                                defaultAudience:params.defaultAudience
+                                                                                    clientState:clientState];
+                    if (call) {
+                        [logger addExtrasForNextEvent:@{
+                         @"native_auth_appcall_id":call.ID
+                         }];
+                        
+                        return YES;
+                    }
+                }
+            }
+        }
+    }
+    return NO;
+}
+
+- (NSString *)methodName {
+    return FBSessionAuthLoggerAuthMethodFBApplicationNative;
+}
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.h
new file mode 100644
index 0000000..48c12bc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionFacebookAppWebLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.m
new file mode 100644
index 0000000..540ea8d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionFacebookAppWebLoginStategy.m
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionFacebookAppWebLoginStategy.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBUtility.h"
+
+@implementation FBSessionFacebookAppWebLoginStategy
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    if (params.tryFBAppAuth && !TEST_DISABLE_FACEBOOKLOGIN) {
+        NSDictionary *clientState = @{FBSessionAuthLoggerParamAuthMethodKey: self.methodName,
+                                      FBSessionAuthLoggerParamIDKey : logger.ID ?: @""};
+        params.webParams[FBLoginUXClientState] = [session jsonClientStateWithDictionary:clientState];
+        return [session authorizeUsingFacebookApplication:params.webParams];
+    }
+    return NO;
+}
+
+- (NSString *)methodName {
+    return FBSessionAuthLoggerAuthMethodFBApplicationWeb;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.h
new file mode 100644
index 0000000..0156a38
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionInlineWebViewLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.m
new file mode 100644
index 0000000..4de4ef6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionInlineWebViewLoginStategy.m
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionInlineWebViewLoginStategy.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBUtility.h"
+
+@implementation FBSessionInlineWebViewLoginStategy
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    if (params.tryFallback) {
+        NSDictionary *clientState = @{FBSessionAuthLoggerParamAuthMethodKey: self.methodName,
+                                      FBSessionAuthLoggerParamIDKey : logger.ID ?: @""};
+        params.webParams[FBLoginUXClientState] = [session jsonClientStateWithDictionary:clientState];
+        [session authorizeUsingLoginDialog:params.webParams];
+        return YES;
+    }
+    return NO;
+}
+
+- (NSString *)methodName {
+    return FBSessionAuthLoggerAuthMethodFallback;
+}
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategy.h b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategy.h
new file mode 100644
index 0000000..1f8ac06
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategy.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionLoginStrategyParams.h"
+#import "FBSession+FBSessionLoginStrategy.h"
+
+// these are helpful macros for testing various login methods, should always checkin as NO/NO
+#define TEST_DISABLE_MULTITASKING_LOGIN NO
+#define TEST_DISABLE_FACEBOOKLOGIN NO
+#define TEST_DISABLE_FACEBOOKNATIVELOGIN NO
+
+// Internal protocol that describes a type that can perform authorization.
+// It's possible for a strategy to compose over other strategies. See `FBSessionAppSwitchingLoginStategy`.
+@protocol FBSessionLoginStrategy <NSObject>
+
+@required
+
+/*!
+ @method
+ 
+ @abstract Instructs the instance to attempt to perform the login.
+ 
+ @param params A collection of parameters typically used to evalute if a given strategy should be invoked.
+ @param session The session instance.
+ @param logger The logger instance.
+ 
+ @discussion
+ A return value of 'NO' indicates
+ another login strategy should be tried. A value of 'YES' means the strategy has handled the login flow
+ and no other strategies should be tried (note this does not necessarily mean the login was successful).
+*/
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger;
+
+/*! @
+ abstract Gets the methodName describing this login strategy, typically for external logging.
+ @discussion This should only be invoked if a `tryPerformAuthorizeWithParams:...` call returned YES.
+*/
+@property (readonly) NSString *methodName;
+
+@end
+
+
+
+
+
+
+
+
+
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.h b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.h
new file mode 100644
index 0000000..e4ad0a6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+
+@interface FBSessionLoginStrategyParams : NSObject
+
+@property BOOL tryIntegratedAuth;
+@property BOOL tryFBAppAuth;
+@property BOOL trySafariAuth;
+@property BOOL tryFallback;
+@property BOOL isReauthorize;
+@property FBSessionDefaultAudience defaultAudience;
+@property (retain, nonatomic) NSArray *permissions;
+@property BOOL canFetchAppSettings;
+@property (retain, nonatomic) NSMutableDictionary *webParams;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.m b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.m
new file mode 100644
index 0000000..c61c7c6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionLoginStrategyParams.m
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#import "FBSessionLoginStrategyParams.h"
+
+@implementation FBSessionLoginStrategyParams
+
+-(void) dealloc {
+    [_permissions release];
+    [_webParams release];
+    [super dealloc];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.h b/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.h
new file mode 100644
index 0000000..f3789d9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionTokenCachingStrategy.h"
+
+// FBSessionManualTokenCachingStrategy
+//
+// Summary:
+// Internal use only, this class enables migration logic for the Facebook class, by providing
+// a means to directly provide the access token to a FBSession object
+//
+@interface FBSessionManualTokenCachingStrategy : FBSessionTokenCachingStrategy
+
+// set the properties before instantiating the FBSession object in order to seed a token
+@property (readwrite, copy) NSString* accessToken;
+@property (readwrite, copy) NSDate* expirationDate;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.m b/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.m
new file mode 100644
index 0000000..e8209fe
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionManualTokenCachingStrategy.m
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionManualTokenCachingStrategy.h"
+
+
+@implementation FBSessionManualTokenCachingStrategy 
+
+@synthesize accessToken = _accessToken,
+            expirationDate = _expirationDate;
+
+- (void)dealloc {
+    [_accessToken release];
+    [_expirationDate release];
+    [super dealloc];
+}
+
+- (void)cacheTokenInformation:(NSDictionary*)tokenInformation {
+    self.accessToken = [tokenInformation objectForKey:FBTokenInformationTokenKey];
+    self.expirationDate = [tokenInformation objectForKey:FBTokenInformationExpirationDateKey];
+}
+
+- (NSDictionary*)fetchTokenInformation;
+{
+    return [NSDictionary dictionaryWithObjectsAndKeys:
+            self.accessToken, FBTokenInformationTokenKey,
+            self.expirationDate, FBTokenInformationExpirationDateKey,
+            nil];
+}
+
+- (void)clearToken
+{
+    self.accessToken = nil;
+    self.expirationDate = nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.h
new file mode 100644
index 0000000..e628bc2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionSafariLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.m
new file mode 100644
index 0000000..b228126
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionSafariLoginStategy.m
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBSessionSafariLoginStategy.h"
+#import "FBUtility.h"
+
+@implementation FBSessionSafariLoginStategy
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    if (params.trySafariAuth) {
+        NSDictionary *clientState = @{FBSessionAuthLoggerParamAuthMethodKey: self.methodName,
+                                      FBSessionAuthLoggerParamIDKey : logger.ID ?: @""};
+        params.webParams[FBLoginUXClientState] = [session jsonClientStateWithDictionary:clientState];
+        return [session authorizeUsingSafari:params.webParams];
+    }
+    return NO;
+}
+
+- (NSString *)methodName {
+    return FBSessionAuthLoggerAuthMethodBrowser;
+}
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.h b/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.h
new file mode 100644
index 0000000..5cf36be
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBSessionLoginStrategy.h"
+
+@interface FBSessionSystemLoginStategy : NSObject<FBSessionLoginStrategy>
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.m b/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.m
new file mode 100644
index 0000000..77abefb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionSystemLoginStategy.m
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSession+Internal.h"
+#import "FBSessionAuthLogger.h"
+#import "FBSessionLoginStrategy.h"
+#import "FBSessionSystemLoginStategy.h"
+#import "FBUtility.h"
+
+@implementation FBSessionSystemLoginStategy
+
+- (BOOL)tryPerformAuthorizeWithParams:(FBSessionLoginStrategyParams *)params session:(FBSession *)session logger:(FBSessionAuthLogger *)logger {
+    
+    BOOL systemAccountStoreAvailable = [FBUtility isSystemAccountStoreAvailable];
+    [logger addExtrasForNextEvent:@{
+     @"systemAccountStoreAvailable":@(systemAccountStoreAvailable)
+     }];
+    
+    if (params.tryIntegratedAuth &&
+        (!params.isReauthorize || session.accessTokenData.loginType == FBSessionLoginTypeSystemAccount) &&
+        systemAccountStoreAvailable) {
+        
+        [session authorizeUsingSystemAccountStore:params.permissions
+                                  defaultAudience:params.defaultAudience
+                                    isReauthorize:params.isReauthorize];
+        return YES;
+    }
+    return NO;
+}
+
+- (NSString *)methodName {
+    return FBSessionAuthLoggerAuthMethodIntegrated;
+}
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.h b/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.h
new file mode 100644
index 0000000..8722bbc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBAccessTokenData.h"
+
+/*! 
+ @class
+ 
+ @abstract
+ The `FBSessionTokenCachingStrategy` class is responsible for persisting and retrieving cached data related to
+ an <FBSession> object, including the user's Facebook access token. 
+ 
+ @discussion
+ `FBSessionTokenCachingStrategy` is designed to be instantiated directly or used as a base class. Usually default
+ token caching behavior is sufficient, and you do not need to interface directly with `FBSessionTokenCachingStrategy` objects.
+ However, if you need to control where or how `FBSession` information is cached, then you may take one of two approaches.
+ 
+ The first and simplest approach is to instantiate an instance of `FBSessionTokenCachingStrategy`, and then pass
+ the instance to `FBSession` class' `init` method. This enables your application to control the key name used in
+ `NSUserDefaults` to store session information. You may consider this approach if you plan to cache session information
+ for multiple users.
+ 
+ The second and more advanced approached is to derive a custom class from `FBSessionTokenCachingStrategy`, which will
+ be responsible for caching behavior of your application. This approach is useful if you need to change where the 
+ information is cached, for example if you prefer to use the filesystem or make a network connection to fetch and
+ persist cached tokens.  Inheritors should override the cacheTokenInformation, fetchTokenInformation, and clearToken methods.
+ Doing this enables your application to implement any token caching scheme, including no caching at all (see
+ `[FBSessionTokenCachingStrategy* nullCacheInstance ]`.
+ 
+ Direct use of `FBSessionTokenCachingStrategy`is an advanced technique. Most applications use <FBSession> objects without
+ passing an `FBSessionTokenCachingStrategy`, which yields default caching to `NSUserDefaults`.
+ */
+@interface FBSessionTokenCachingStrategy : NSObject
+
+/*!
+ @abstract Initializes and returns an instance
+ */
+- (id)init;
+
+/*!
+ @abstract 
+ Initializes and returns an instance
+ 
+ @param tokenInformationKeyName     Specifies a key name to use for cached token information in NSUserDefaults, nil
+ indicates a default value of @"FBAccessTokenInformationKey"
+ */
+- (id)initWithUserDefaultTokenInformationKeyName:(NSString*)tokenInformationKeyName;
+
+/*!
+ @abstract 
+ Called by <FBSession> (and overridden by inheritors), in order to cache token information.
+ 
+ @param tokenInformation            Dictionary containing token information to be cached by the method
+ @discussion You should favor overriding this instead of `cacheFBAccessTokenData` only if you intend
+ to cache additional data not captured by the FBAccessTokenData type.
+ */
+- (void)cacheTokenInformation:(NSDictionary*)tokenInformation;
+
+/*!
+ @abstract Cache the supplied token.
+ @param accessToken The token instance.
+ @discussion This essentially wraps a call to `cacheTokenInformation` so you should
+ override this when providing a custom token caching strategy.
+*/
+- (void)cacheFBAccessTokenData:(FBAccessTokenData *)accessToken;
+
+/*!
+ @abstract 
+ Called by <FBSession> (and overridden by inheritors), in order to fetch cached token information
+ 
+ @discussion
+ An overriding implementation should only return a token if it
+ can also return an expiration date, otherwise return nil.
+ You should favor overriding this instead of `fetchFBAccessTokenData` only if you intend
+ to cache additional data not captured by the FBAccessTokenData type.
+
+ */
+- (NSDictionary*)fetchTokenInformation;
+
+/*!
+ @abstract
+ Fetches the cached token instance.
+ 
+ @discussion
+ This essentially wraps a call to `fetchTokenInformation` so you should
+ override this when providing a custom token caching strategy.
+ 
+ In order for an `FBSession` instance to be able to use a cached token,
+ the token must be not be expired (see `+isValidTokenInformation:`) and
+ must also contain all permissions in the initialized session instance.
+ */
+- (FBAccessTokenData *)fetchFBAccessTokenData;
+
+/*!
+ @abstract 
+ Called by <FBSession> (and overridden by inheritors), in order delete any cached information for the current token
+ */
+- (void)clearToken;
+
+/*!
+ @abstract 
+ Helper function called by the SDK as well as apps, in order to fetch the default strategy instance.
+ */
++ (FBSessionTokenCachingStrategy*)defaultInstance;
+
+/*!
+ @abstract
+ Helper function to return a FBSessionTokenCachingStrategy instance that does not perform any caching.
+ */
++ (FBSessionTokenCachingStrategy*)nullCacheInstance;
+
+/*!
+ @abstract 
+ Helper function called by the SDK as well as application code, used to determine whether a given dictionary
+ contains the minimum token information usable by the <FBSession>.
+ 
+ @param tokenInformation            Dictionary containing token information to be validated
+ */
++ (BOOL)isValidTokenInformation:(NSDictionary*)tokenInformation;
+
+@end
+
+// The key to use with token information dictionaries to get and set the token value
+extern NSString *const FBTokenInformationTokenKey;
+
+// The to use with token information dictionaries to get and set the expiration date
+extern NSString *const FBTokenInformationExpirationDateKey;
+
+// The to use with token information dictionaries to get and set the refresh date
+extern NSString *const FBTokenInformationRefreshDateKey;
+
+// The key to use with token information dictionaries to get the related user's fbid
+extern NSString *const FBTokenInformationUserFBIDKey;
+
+// The key to use with token information dictionaries to determine whether the token was fetched via Facebook Login
+extern NSString *const FBTokenInformationIsFacebookLoginKey;
+
+// The key to use with token information dictionaries to determine whether the token was fetched via the OS
+extern NSString *const FBTokenInformationLoginTypeLoginKey;
+
+// The key to use with token information dictionaries to get the latest known permissions
+extern NSString *const FBTokenInformationPermissionsKey;
+
+// The key to use with token information dictionaries to get the date the permissions were last refreshed.
+extern NSString *const FBTokenInformationPermissionsRefreshDateKey;
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.m b/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.m
new file mode 100644
index 0000000..58a0d75
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionTokenCachingStrategy.m
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBAccessTokenData+Internal.h"
+
+// const strings
+static NSString *const FBAccessTokenInformationKeyName = @"FBAccessTokenInformationKey";
+
+NSString *const FBTokenInformationTokenKey = @"com.facebook.sdk:TokenInformationTokenKey";
+NSString *const FBTokenInformationExpirationDateKey = @"com.facebook.sdk:TokenInformationExpirationDateKey";
+NSString *const FBTokenInformationRefreshDateKey = @"com.facebook.sdk:TokenInformationRefreshDateKey";
+NSString *const FBTokenInformationUserFBIDKey = @"com.facebook.sdk:TokenInformationUserFBIDKey";
+NSString *const FBTokenInformationIsFacebookLoginKey = @"com.facebook.sdk:TokenInformationIsFacebookLoginKey";
+NSString *const FBTokenInformationLoginTypeLoginKey = @"com.facebook.sdk:TokenInformationLoginTypeLoginKey";
+NSString *const FBTokenInformationPermissionsKey = @"com.facebook.sdk:TokenInformationPermissionsKey";
+NSString *const FBTokenInformationPermissionsRefreshDateKey = @"com.facebook.sdk:TokenInformationPermissionsRefreshDateKey";
+
+#pragma mark - private FBSessionTokenCachingStrategyNoOpInstance class
+
+@interface FBSessionTokenCachingStrategyNoOpInstance : FBSessionTokenCachingStrategy
+    
+@end
+@implementation FBSessionTokenCachingStrategyNoOpInstance
+
+- (void)cacheTokenInformation:(NSDictionary*)tokenInformation {
+}
+
+- (NSDictionary*)fetchTokenInformation {
+    return [NSDictionary dictionary];
+}
+
+- (void)clearToken {
+}
+
+@end
+
+
+@implementation FBSessionTokenCachingStrategy {
+    NSString *_accessTokenInformationKeyName;
+}
+
+#pragma mark - Lifecycle
+
+- (id)init {
+    return [self initWithUserDefaultTokenInformationKeyName:nil];
+}
+
+- (id)initWithUserDefaultTokenInformationKeyName:(NSString*)tokenInformationKeyName {
+    
+    self = [super init];
+    if (self) {
+        // get-em
+        _accessTokenInformationKeyName = tokenInformationKeyName ? tokenInformationKeyName : FBAccessTokenInformationKeyName;
+
+        // keep-em
+        [_accessTokenInformationKeyName retain];
+    }
+    return self;    
+}
+
+- (void)dealloc {
+    // let-em go
+    [_accessTokenInformationKeyName release];
+    [super dealloc];
+}
+
+#pragma mark - 
+#pragma mark Public Members
+
+- (void)cacheTokenInformation:(NSDictionary*)tokenInformation {
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults setObject:tokenInformation forKey:_accessTokenInformationKeyName];
+    [defaults synchronize];
+}
+
+- (NSDictionary*)fetchTokenInformation {
+    // fetch values from defaults
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    return [defaults objectForKey:_accessTokenInformationKeyName];
+}
+
+- (void)clearToken {        
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults removeObjectForKey:_accessTokenInformationKeyName];
+    [defaults synchronize];
+}
+
+
+- (void)cacheFBAccessTokenData:(FBAccessTokenData *)accessToken {
+    // For backwards compatibility, we must call into existing dictionary-based APIs.
+    [self cacheTokenInformation:[accessToken dictionary]];
+}
+
+- (FBAccessTokenData *)fetchFBAccessTokenData {
+    // For backwards compatibility, we must call into existing dictionary-based APIs.
+    NSDictionary *dictionary = [self fetchTokenInformation];
+    if (![FBSessionTokenCachingStrategy isValidTokenInformation:dictionary]) {
+        return nil;
+    }
+    FBAccessTokenData *fbAccessToken = [FBAccessTokenData createTokenFromDictionary:dictionary];
+    return fbAccessToken;
+}
+
++ (BOOL)isValidTokenInformation:(NSDictionary*)tokenInformation {
+    id token = [tokenInformation objectForKey:FBTokenInformationTokenKey];
+    id expirationDate = [tokenInformation objectForKey:FBTokenInformationExpirationDateKey];
+    return  [token isKindOfClass:[NSString class]] &&
+            ([token length] > 0) &&
+            [expirationDate isKindOfClass:[NSDate class]];
+}
+
++ (FBSessionTokenCachingStrategy*)defaultInstance {
+    // static state to assure a single default instance here
+    static FBSessionTokenCachingStrategy *sharedDefaultInstance = nil;
+    static dispatch_once_t onceToken;
+
+    // assign once to the static, if called
+    dispatch_once(&onceToken, ^{
+        sharedDefaultInstance = [[FBSessionTokenCachingStrategy alloc] init];
+    });
+    return sharedDefaultInstance;
+}
+
++ (FBSessionTokenCachingStrategy*)nullCacheInstance {
+    // static state to assure a single instance here
+    static FBSessionTokenCachingStrategyNoOpInstance *noOpInstance = nil;
+    static dispatch_once_t onceToken;
+    
+    // assign once to the static, if called
+    dispatch_once(&onceToken, ^{
+        noOpInstance = [[FBSessionTokenCachingStrategyNoOpInstance alloc] init];
+    });
+    return noOpInstance;
+}
+
+#pragma mark - 
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionUtility.h b/Vendor/facebook-ios-sdk/src/FBSessionUtility.h
new file mode 100644
index 0000000..001c00a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionUtility.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+
+// An internal only utility class for logic related
+// to FBSession but are not directly related to a session instance.
+@interface FBSessionUtility : NSObject
+
++ (BOOL)isOpenSessionResponseURL:(NSURL *)url;
++ (NSDictionary *)clientStateFromQueryParams:(NSDictionary *)params;
++ (NSDictionary *)queryParamsFromLoginURL:(NSURL *)url
+                                    appID:(NSString *)appID
+                          urlSchemeSuffix:(NSString *)urlSchemeSuffix;
++ (NSString *)sessionStateDescription:(FBSessionState)sessionState;
++ (void)addWebLoginStartTimeToParams:(NSMutableDictionary *)params;
++ (NSDate *)expirationDateFromResponseParams:(NSDictionary *)parameters;
++ (BOOL)areRequiredPermissions:(NSArray*)requiredPermissions
+          aSubsetOfPermissions:(NSArray*)cachedPermissions;
++ (void)validateRequestForPermissions:(NSArray*)permissions
+                      defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                   allowSystemAccount:(BOOL)allowSystemAccount
+                               isRead:(BOOL)isRead;
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSessionUtility.m b/Vendor/facebook-ios-sdk/src/FBSessionUtility.m
new file mode 100644
index 0000000..60c3825
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSessionUtility.m
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLogger.h"
+#import "FBSessionUtility.h"
+#import "FBSession+Internal.h"
+#import "FBUtility.h"
+
+@implementation FBSessionUtility
+
++ (BOOL)isOpenSessionResponseURL:(NSURL *)url {
+    NSDictionary *params = [FBSessionUtility queryParamsFromLoginURL:url appID:nil urlSchemeSuffix:nil];
+    NSDictionary *clientState = [FBSessionUtility clientStateFromQueryParams:params];
+    if (!clientState) {
+        return NO;
+    }
+    
+    NSNumber *isOpenSessionBit = clientState[FBLoginUXClientStateIsOpenSession];
+    return [isOpenSessionBit boolValue];
+}
+
++ (NSDictionary *)queryParamsFromLoginURL:(NSURL *)url appID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix {
+    // if the URL's structure doesn't match the structure used for Facebook authorization, abort.
+    if (appID) {
+        NSString* expectedUrlPrefix = [FBUtility stringAppBaseUrlFromAppId:appID urlSchemeSuffix:urlSchemeSuffix];
+        if (![[url absoluteString] hasPrefix:expectedUrlPrefix]) {
+            return nil;
+        }
+    } else {
+        // Don't have an App ID, just verify path.
+        NSString *host = url.host;
+        if (![host isEqualToString:@"authorize"]) {
+            return nil;
+        }
+    }
+    
+    return [FBUtility queryParamsDictionaryFromFBURL:url];
+}
+
++ (NSDictionary *)clientStateFromQueryParams:(NSDictionary *)params {
+    NSDictionary *clientState = [FBUtility simpleJSONDecode:params[FBLoginUXClientState]];
+    if (!clientState[FBLoginUXClientStateIsClientState]) {
+        return nil;
+    }
+    return clientState;
+}
+
++ (NSString *)sessionStateDescription:(FBSessionState)sessionState {
+    NSString *stateDescription = nil;
+    switch (sessionState) {
+        case FBSessionStateCreated:
+            stateDescription = @"FBSessionStateCreated";
+            break;
+        case FBSessionStateCreatedTokenLoaded:
+            stateDescription = @"FBSessionStateCreatedTokenLoaded";
+            break;
+        case FBSessionStateCreatedOpening:
+            stateDescription = @"FBSessionStateCreatedOpening";
+            break;
+        case FBSessionStateOpen:
+            stateDescription = @"FBSessionStateOpen";
+            break;
+        case FBSessionStateOpenTokenExtended:
+            stateDescription = @"FBSessionStateOpenTokenExtended";
+            break;
+        case FBSessionStateClosedLoginFailed:
+            stateDescription = @"FBSessionStateClosedLoginFailed";
+            break;
+        case FBSessionStateClosed:
+            stateDescription = @"FBSessionStateClosed";
+            break;
+        default:
+            stateDescription = @"[Unknown]";
+            break;
+    }
+    
+    return stateDescription;
+}
+
++ (void)addWebLoginStartTimeToParams:(NSMutableDictionary *)params {
+    NSNumber *timeValue = [NSNumber numberWithDouble:round(1000 * [[NSDate date] timeIntervalSince1970])];
+    NSString *e2eTimestampString = [FBUtility simpleJSONEncode:@{@"init":timeValue}];
+    [params setObject:e2eTimestampString forKey:@"e2e"];
+}
+
++ (NSDate *)expirationDateFromResponseParams:(NSDictionary *)parameters {
+    NSString *expTime = [parameters objectForKey:@"expires_in"];
+    NSDate *expirationDate = nil;
+    if (expTime) {
+        // If we have an interval, it is assumed to be since now. (e.g. 60 days)
+        expirationDate = [FBUtility expirationDateFromExpirationTimeIntervalString:expTime];
+    } else {
+        // If we have an actual timestamp, create the date from that instead.
+        expirationDate = [FBUtility expirationDateFromExpirationUnixTimeString:parameters[@"expires"]];
+    }
+    
+    if (!expirationDate) {
+        expirationDate = [NSDate distantFuture];
+    }
+    
+    return expirationDate;
+}
+
++ (BOOL)areRequiredPermissions:(NSArray*)requiredPermissions
+          aSubsetOfPermissions:(NSArray*)cachedPermissions {
+    NSSet *required = [NSSet setWithArray:requiredPermissions];
+    NSSet *cached = [NSSet setWithArray:cachedPermissions];
+    return [required isSubsetOfSet:cached];
+}
+
+
++ (void)validateRequestForPermissions:(NSArray*)permissions
+                      defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                   allowSystemAccount:(BOOL)allowSystemAccount
+                               isRead:(BOOL)isRead {
+    // validate audience argument
+    if ([permissions count]) {
+        if (allowSystemAccount && !isRead) {
+            switch (defaultAudience) {
+                case FBSessionDefaultAudienceEveryone:
+                case FBSessionDefaultAudienceFriends:
+                case FBSessionDefaultAudienceOnlyMe:
+                    break;
+                default:
+                    [[NSException exceptionWithName:FBInvalidOperationException
+                                             reason:@"FBSession: Publish permissions were requested "
+                      @"without specifying an audience; use FBSessionDefaultAudienceJustMe, "
+                      @"FBSessionDefaultAudienceFriends, or FBSessionDefaultAudienceEveryone"
+                                           userInfo:nil]
+                     raise];
+                    break;
+            }
+        }
+        // log unexpected permissions, and throw on read w/publish permissions
+        if (allowSystemAccount &&
+            [FBSessionUtility logIfFoundUnexpectedPermissions:permissions isRead:isRead] &&
+            isRead) {
+            [[NSException exceptionWithName:FBInvalidOperationException
+                                     reason:@"FBSession: Publish or manage permissions are not permitted to "
+              @"to be requested with read permissions."
+                                   userInfo:nil]
+             raise];
+        }
+    }
+}
+
++ (BOOL)logIfFoundUnexpectedPermissions:(NSArray*)permissions
+                                 isRead:(BOOL)isRead {
+    BOOL publishPermissionFound = NO;
+    BOOL readPermissionFound = NO;
+    BOOL result = NO;
+    for (NSString *p in permissions) {
+        if ([FBUtility isPublishPermission:p]) {
+            publishPermissionFound = YES;
+        } else {
+            readPermissionFound = YES;
+        }
+        
+        // If we've found one of each we can stop looking.
+        if (publishPermissionFound && readPermissionFound) {
+            break;
+        }
+    }
+    
+    if (!isRead && readPermissionFound) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors logEntry:@"FBSession: a permission request for publish or manage permissions contains unexpected read permissions"];
+        result = YES;
+    }
+    if (isRead && publishPermissionFound) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors logEntry:@"FBSession: a permission request for read permissions contains unexpected publish or manage permissions"];
+        result = YES;
+    }
+    
+    return result;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSettings+Internal.h b/Vendor/facebook-ios-sdk/src/FBSettings+Internal.h
new file mode 100644
index 0000000..1f510dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSettings+Internal.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSettings.h"
+
+extern NSString *const FBPLISTUrlSchemeSuffixKey;
+
+@interface FBSettings (Internal)
+
++ (void)autoPublishInstall:(NSString *)appID;
+
+/*!
+ @method
+ 
+ @abstract Get the default url scheme used for the session. This is generated based
+ on the url scheme suffix and the app id.
+ @param appID If nil, defaults to [FBSettings defaultAppID]
+ @param urlSchemeSuffix If nil, defaults to [FBSettings defaultUrlSchemeSuffix]
+ */
++ (NSString*)defaultURLSchemeWithAppID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix;
+
+/*!
+ @method
+ 
+ @abstract Set the default JPEG Compression Quality used for UIImage uploads. If not specified
+ we use a default value of 0.9
+ 
+ @param compressionQuality The default url scheme suffix to be used by the SDK.
+ */
++ (void)setdefaultJPEGCompressionQuality:(CGFloat)compressionQuality;
+
+/*!
+ @method
+ 
+ @abstract Get the default JPEG Compression Quality used for UIImage uploads.  This value is the
+ compressionQuality value passed to UIImageJPEGRepresentation
+ */
++ (CGFloat)defaultJPEGCompressionQuality;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSettings.h b/Vendor/facebook-ios-sdk/src/FBSettings.h
new file mode 100644
index 0000000..eb7c11d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSettings.h
@@ -0,0 +1,297 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <CoreGraphics/CGBase.h>
+
+/*
+ * Constants defining logging behavior.  Use with <[FBSettings setLoggingBehavior]>.
+ */
+
+/*! Log requests from FBRequest* classes */
+extern NSString *const FBLoggingBehaviorFBRequests;
+
+/*! Log requests from FBURLConnection* classes */
+extern NSString *const FBLoggingBehaviorFBURLConnections;
+
+/*! Include access token in logging. */
+extern NSString *const FBLoggingBehaviorAccessTokens;
+
+/*! Log session state transitions. */
+extern NSString *const FBLoggingBehaviorSessionStateTransitions;
+
+/*! Log performance characteristics */
+extern NSString *const FBLoggingBehaviorPerformanceCharacteristics;
+
+/*! Log FBAppEvents interactions */
+extern NSString *const FBLoggingBehaviorAppEvents;
+
+/*! Log Informational occurrences */
+extern NSString *const FBLoggingBehaviorInformational;
+
+/*! Log errors likely to be preventable by the developer. This is in the default set of enabled logging behaviors. */
+extern NSString *const FBLoggingBehaviorDeveloperErrors;
+
+@class FBGraphObject;
+
+/*! 
+ @typedef
+ 
+ @abstract Block type used to get install data that is returned by server when publishInstall is called
+ @discussion
+ */
+typedef void (^FBInstallResponseDataHandler)(FBGraphObject *response, NSError *error);
+
+/*!
+ @typedef
+ 
+ @abstract A list of beta features that can be enabled for the SDK. Beta features are for evaluation only,
+ and are therefore only enabled for DEBUG builds. Beta features should not be enabled
+ in release builds.
+ */
+typedef enum : NSUInteger {
+  FBBetaFeaturesNone                 = 0,
+#if defined(DEBUG) || defined(FB_BUILD_ONLY)
+  FBBetaFeaturesShareDialog          = 1 << 0,
+  FBBetaFeaturesOpenGraphShareDialog = 1 << 1,
+#endif
+} FBBetaFeatures;
+
+@interface FBSettings : NSObject
+
+/*!
+ @method
+ 
+ @abstract Retrieve the current iOS SDK version.
+ 
+ */
++ (NSString *)sdkVersion;
+
+/*!
+ @method
+ 
+ @abstract Retrieve the current Facebook SDK logging behavior.
+ 
+ */
++ (NSSet *)loggingBehavior;
+
+/*!
+ @method
+
+ @abstract Set the current Facebook SDK logging behavior.  This should consist of strings defined as
+ constants with FBLogBehavior*, and can be constructed with, e.g., [NSSet initWithObjects:].
+
+ @param loggingBehavior A set of strings indicating what information should be logged.  If nil is provided, the logging
+ behavior is reset to the default set of enabled behaviors.  Set in an empty set in order to disable all logging.
+ */
++ (void)setLoggingBehavior:(NSSet *)loggingBehavior;
+
+/*! @abstract deprecated method */
++ (BOOL)shouldAutoPublishInstall __attribute__ ((deprecated));
+
+/*! @abstract deprecated method */
++ (void)setShouldAutoPublishInstall:(BOOL)autoPublishInstall __attribute__ ((deprecated));
+
+/*! 
+ @method
+
+ @abstract This method has been replaced by [FBAppEvents activateApp] */
++ (void)publishInstall:(NSString *)appID __attribute__ ((deprecated("use [FBAppEvents activateApp] instead")));
+
+/*!
+ @method
+
+ @abstract Manually publish an attributed install to the Facebook graph, and return the server response back in
+ the supplied handler.  Calling this method will implicitly turn off auto-publish.  This method acquires the 
+ current attribution id from the facebook application, queries the graph API to determine if the application 
+ has install attribution enabled, publishes the id, and records success to avoid reporting more than once.
+
+ @param appID   A specific appID to publish an install for.  If nil, uses [FBSession defaultAppID].
+ @param handler A block to call with the server's response.
+ */
++ (void)publishInstall:(NSString *)appID
+           withHandler:(FBInstallResponseDataHandler)handler __attribute__ ((deprecated));
+
+
+/*!
+ @method
+ 
+ @abstract
+ Gets the application version to the provided string.  `FBAppEvents`, for instance, attaches the app version to
+ events that it logs, which are then available in App Insights.
+ */
++ (NSString *)appVersion;
+
+/*!
+ @method
+ 
+ @abstract
+ Sets the application version to the provided string.  `FBAppEvents`, for instance, attaches the app version to
+ events that it logs, which are then available in App Insights.
+ 
+ @param appVersion  The version identifier of the iOS app.
+ */
++ (void)setAppVersion:(NSString *)appVersion;
+
+/*!
+ @method
+ 
+ @abstract Retrieve the Client Token that has been set via [FBSettings setClientToken]
+ */
++ (NSString *)clientToken;
+
+/*!
+ @method
+ 
+ @abstract Sets the Client Token for the Facebook App.  This is needed for certain API calls when made anonymously,
+ without a user-based Session.
+ 
+ @param clientToken  The Facebook App's "client token", which, for a given appid can be found in the Security 
+ section of the Advanced tab of the Facebook App settings found at <https://developers.facebook.com/apps/[your-app-id]>
+ 
+ */
++ (void)setClientToken:(NSString *)clientToken;
+
+/*!
+ @method
+ 
+ @abstract Set the default Facebook Display Name to be used by the SDK. This should match
+ the Display Name that has been set for the app with the corresponding Facebook App ID, in
+ the Facebook App Dashboard
+ 
+ @param displayName The default Facebook Display Name to be used by the SDK.
+ */
++ (void)setDefaultDisplayName:(NSString *)displayName;
+
+/*!
+ @method
+ 
+ @abstract Get the default Facebook Display Name used by the SDK. If not explicitly
+ set, the default will be read from the application's plist.
+ */
++ (NSString *)defaultDisplayName;
+
+/*!
+ @method
+ 
+ @abstract Set the default Facebook App ID to use for sessions. The SDK allows the appID
+ to be overridden per instance in certain cases (e.g. per instance of FBSession)
+ 
+ @param appID The default Facebook App ID to be used by the SDK.
+ */
++ (void)setDefaultAppID:(NSString*)appID;
+
+/*!
+ @method
+ 
+ @abstract Get the default Facebook App ID used by the SDK. If not explicitly
+ set, the default will be read from the application's plist. The SDK allows the appID
+ to be overridden per instance in certain cases (e.g. per instance of FBSession)
+ */
++ (NSString*)defaultAppID;
+ 
+/*!
+ @method
+ 
+ @abstract Set the default url scheme suffix used by the SDK.
+ 
+ @param urlSchemeSuffix The default url scheme suffix to be used by the SDK.
+ */
++ (void)setDefaultUrlSchemeSuffix:(NSString*)urlSchemeSuffix;
+
+/*!
+ @method
+ 
+ @abstract Get the default url scheme suffix used for sessions.  If not
+ explicitly set, the default will be read from the application's plist value for 'FacebookUrlSchemeSuffix'.
+ */
++ (NSString*)defaultUrlSchemeSuffix;
+
+/*!
+ @method
+ 
+ @abstract Set the bundle name from the SDK will try and load overrides of images and text
+ 
+ @param bundleName The name of the bundle (MyFBBundle).
+ */
++ (void)setResourceBundleName:(NSString*)bundleName;
+
+/*!
+ @method
+ 
+ @abstract Get the name of the bundle to override the SDK images and text
+ */
++ (NSString*)resourceBundleName;
+
+/*!
+ @method
+ 
+ @abstract Set the subpart of the facebook domain (e.g. @"beta") so that requests will be sent to graph.beta.facebook.com
+ 
+ @param facebookDomainPart The domain part to be inserted into facebook.com
+ */
++ (void)setFacebookDomainPart:(NSString*)facebookDomainPart;
+
+/*!
+ @method
+ 
+ @abstract Get the Facebook domain part
+ */
++ (NSString*)facebookDomainPart;
+
+/*!
+ @method
+ 
+ @abstract Enables the specified beta features. Beta features are for evaluation only,
+ and are therefore only enabled for debug builds. Beta features should not be enabled
+ in release builds.
+ 
+ @param betaFeatures The beta features to enable (expects a bitwise OR of FBBetaFeatures)
+ */
++ (void)enableBetaFeatures:(NSUInteger)betaFeatures;
+
+/*!
+ @method
+ 
+ @abstract Enables a beta feature. Beta features are for evaluation only,
+ and are therefore only enabled for debug builds. Beta features should not be enabled
+ in release builds.
+ 
+ @param betaFeature The beta feature to enable.
+ */
++ (void)enableBetaFeature:(FBBetaFeatures)betaFeature;
+
+/*!
+ @method
+ 
+ @abstract Disables a beta feature.
+ 
+ @param betaFeature The beta feature to disable.
+ */
++ (void)disableBetaFeature:(FBBetaFeatures)betaFeature;
+
+/*!
+ @method
+
+ @abstract Determines whether a beta feature is enabled or not.
+ 
+ @param betaFeature The beta feature to check.
+ 
+ @return YES if the beta feature is enabled, NO if not.
+ */
++ (BOOL)isBetaFeatureEnabled:(FBBetaFeatures)betaFeature;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSettings.m b/Vendor/facebook-ios-sdk/src/FBSettings.m
new file mode 100644
index 0000000..6ec5afe
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSettings.m
@@ -0,0 +1,401 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+#import "FBError.h"
+#import "FBRequest.h"
+#import "FBSession.h"
+#import "FBSettings.h"
+#import "FBSettings+Internal.h"
+#import "FBUtility.h"
+#import "FBLogger.h"
+
+#import <UIKit/UIKit.h>
+
+// Keys to get App-specific info from mainBundle
+static NSString *const FBPLISTDisplayNameKey = @"FacebookDisplayName";
+static NSString *const FBPLISTAppIDKey = @"FacebookAppID";
+NSString *const FBPLISTUrlSchemeSuffixKey = @"FacebookUrlSchemeSuffix";
+static NSString *const FBPLISTBundleNameKey = @"FacebookBundleName";
+
+// const strings
+NSString *const FBLoggingBehaviorFBRequests = @"fb_requests";
+NSString *const FBLoggingBehaviorFBURLConnections = @"fburl_connections";
+NSString *const FBLoggingBehaviorAccessTokens = @"include_access_tokens";
+NSString *const FBLoggingBehaviorSessionStateTransitions = @"state_transitions";
+NSString *const FBLoggingBehaviorPerformanceCharacteristics = @"perf_characteristics";
+NSString *const FBLoggingBehaviorAppEvents = @"app_events";
+NSString *const FBLoggingBehaviorInformational = @"informational";
+NSString *const FBLoggingBehaviorDeveloperErrors = @"developer_errors";
+
+NSString *const FBLastAttributionPing = @"com.facebook.sdk:lastAttributionPing%@";
+NSString *const FBLastInstallResponse = @"com.facebook.sdk:lastInstallResponse%@";
+NSString *const FBPublishActivityPath = @"%@/activities";
+NSString *const FBMobileInstallEvent = @"MOBILE_APP_INSTALL";
+
+NSTimeInterval const FBPublishDelay = 0.1;
+
+@implementation FBSettings
+
+static NSSet *g_loggingBehavior;
+static BOOL g_autoPublishInstall = YES;
+static dispatch_once_t g_publishInstallOnceToken;
+static NSString *g_appVersion;
+static NSString *g_clientToken;
+static NSString *g_defaultDisplayName = nil;
+static NSString *g_defaultAppID = nil;
+static NSString *g_defaultUrlSchemeSuffix = nil;
+static NSString *g_defaultBundleName = nil;
+static NSString *g_defaultFacebookDomainPart = nil;
+static CGFloat g_defaultJPEGCompressionQuality = 0.9;
+static NSUInteger g_betaFeatures = 0;
+
++ (NSString *)sdkVersion {
+    return FB_IOS_SDK_VERSION_STRING;
+}
+
++ (NSSet *)loggingBehavior {
+    if (!g_loggingBehavior) {
+        
+        // Establish set of default enabled logging behaviors.  Can completely disable logging by
+        // calling setLoggingBehavior with an empty set.
+        g_loggingBehavior = [[NSSet setWithObject:FBLoggingBehaviorDeveloperErrors] retain];
+    }
+    return g_loggingBehavior;
+}
+
++ (void)setLoggingBehavior:(NSSet *)newValue {
+    [newValue retain];
+    [g_loggingBehavior release];
+    g_loggingBehavior = newValue;
+}
+
++ (NSString *)appVersion {
+    return g_appVersion;
+}
+
++ (void)setAppVersion:(NSString *)appVersion {
+    [appVersion retain];
+    [g_appVersion release];
+    g_appVersion = appVersion;
+}
+
++ (NSString *)clientToken {
+    return g_clientToken;
+}
+
++ (void)setClientToken:(NSString *)clientToken {
+    [clientToken retain];
+    [g_clientToken release];
+    g_clientToken = clientToken;
+}
+
++ (void)setDefaultDisplayName:(NSString*)displayName {
+    NSString *oldValue = g_defaultDisplayName;
+    g_defaultDisplayName = [displayName copy];
+    [oldValue release];
+}
+
++ (NSString *)defaultDisplayName {
+    if (!g_defaultDisplayName) {
+        NSBundle* bundle = [NSBundle mainBundle];
+        g_defaultDisplayName = [bundle objectForInfoDictionaryKey:FBPLISTDisplayNameKey];
+    }
+    return g_defaultDisplayName;
+}
+
++ (void)setDefaultAppID:(NSString*)appID {
+    NSString *oldValue = g_defaultAppID;
+    g_defaultAppID = [appID copy];
+    [oldValue release];
+}
+
++ (NSString*)defaultAppID {
+    if (!g_defaultAppID) {
+        NSBundle* bundle = [NSBundle mainBundle];
+        g_defaultAppID = [bundle objectForInfoDictionaryKey:FBPLISTAppIDKey];
+    }
+    return g_defaultAppID;
+}
+
++ (void)setResourceBundleName:(NSString*)bundleName {
+    NSString *oldValue = g_defaultBundleName;
+    g_defaultBundleName = [bundleName copy];
+    [oldValue release];
+}
+
++ (NSString*)resourceBundleName {
+    if (!g_defaultBundleName) {
+        NSBundle* bundle = [NSBundle mainBundle];
+        g_defaultBundleName = [bundle objectForInfoDictionaryKey:FBPLISTBundleNameKey];
+#if TARGET_IPHONE_SIMULATOR
+        // The FacebookSDKResources.bundle is no longer used.
+        // Warn the developer if they are including it by default
+        if (![g_defaultBundleName isEqualToString:@"FacebookSDKResources"]) {
+            NSString* facebookSDKBundlePath = [bundle pathForResource:@"FacebookSDKResources" ofType:@"bundle"];
+            if (facebookSDKBundlePath) {
+                [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors logEntry:@"The FacebookSDKResources.bundle is no longer required for your application.  It can be removed.  After fixing this, you will need to Clean the project and then reset your simulator."];
+            }
+        }
+#endif
+    }
+    return g_defaultBundleName;
+}
+
++ (void)setFacebookDomainPart:(NSString*)facebookDomainPart
+{
+    NSString *oldValue = g_defaultFacebookDomainPart;
+    g_defaultFacebookDomainPart = [facebookDomainPart copy];
+    [oldValue release];
+}
+
++ (NSString*)facebookDomainPart {
+    return g_defaultFacebookDomainPart;
+}
+
++ (void)setDefaultUrlSchemeSuffix:(NSString*)urlSchemeSuffix {
+    NSString *oldValue = g_defaultUrlSchemeSuffix;
+    g_defaultUrlSchemeSuffix = [urlSchemeSuffix copy];
+    [oldValue release];
+}
+
++ (NSString*)defaultUrlSchemeSuffix {
+    if (!g_defaultUrlSchemeSuffix) {
+        NSBundle* bundle = [NSBundle mainBundle];
+        g_defaultUrlSchemeSuffix = [bundle objectForInfoDictionaryKey:FBPLISTUrlSchemeSuffixKey];
+    }
+    return g_defaultUrlSchemeSuffix;
+}
+
++ (NSString*)defaultURLSchemeWithAppID:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix {
+    return [NSString stringWithFormat:@"fb%@%@", appID ?: [self defaultAppID], urlSchemeSuffix ?: [self defaultUrlSchemeSuffix] ?: @""];
+}
+
++ (void)setdefaultJPEGCompressionQuality:(CGFloat)compressionQuality {
+    g_defaultJPEGCompressionQuality = compressionQuality;
+}
+
++ (CGFloat)defaultJPEGCompressionQuality {
+    return g_defaultJPEGCompressionQuality;
+}
+
++ (BOOL)shouldAutoPublishInstall {
+    return g_autoPublishInstall;
+}
+
++ (void)setShouldAutoPublishInstall:(BOOL)newValue {
+    g_autoPublishInstall = newValue;
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
++ (void)autoPublishInstall:(NSString *)appID {
+    if ([FBSettings shouldAutoPublishInstall]) {
+        dispatch_once(&g_publishInstallOnceToken, ^{
+            // dispatch_once is great, but not re-entrant.  Inside publishInstall we use FBRequest, which will
+            // cause this function to get invoked a second time.  By scheduling the work, we can sidestep the problem.
+            [[FBSettings class] performSelector:@selector(autoPublishInstallImpl:) withObject:appID afterDelay:FBPublishDelay];
+        });
+    }
+}
+#pragma GCC diagnostic pop
+
++ (void)autoPublishInstallImpl:(NSString *)appID {
+    [FBSettings publishInstall:appID withHandler:nil isAutoPublish:YES];
+}
+
+
++ (void)enableBetaFeatures:(NSUInteger)betaFeatures {
+  g_betaFeatures |= betaFeatures;
+}
+
++ (void)enableBetaFeature:(FBBetaFeatures)betaFeature {
+  g_betaFeatures |= betaFeature;
+}
+
++ (void)disableBetaFeature:(FBBetaFeatures)betaFeature {
+    g_betaFeatures &= NSUIntegerMax ^ betaFeature;
+}
+
++ (BOOL)isBetaFeatureEnabled:(FBBetaFeatures)betaFeature {
+  return (g_betaFeatures & betaFeature) == betaFeature;
+}
+
+#pragma mark -
+#pragma mark proto-activity publishing code
+
++ (void)publishInstall:(NSString *)appID {
+    [FBSettings publishInstall:appID withHandler:nil];
+}
+
++ (void)publishInstall:(NSString *)appID
+           withHandler:(FBInstallResponseDataHandler)handler {
+    [FBSettings publishInstall:appID withHandler:handler isAutoPublish:NO];
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
++ (void)publishInstall:(NSString *)appID
+           withHandler:(FBInstallResponseDataHandler)handler
+         isAutoPublish:(BOOL)isAutoPublish {
+    @try {
+        handler = [[handler copy] autorelease];
+
+        if (!appID) {
+            appID = [FBSettings defaultAppID];
+        }
+
+        if (!appID) {
+            // if the appID is still nil, exit early.
+            if (handler) {
+                handler(
+                    nil,
+                    [NSError errorWithDomain:FacebookSDKDomain
+                                        code:FBErrorPublishInstallResponse
+                                    userInfo:@{ NSLocalizedDescriptionKey : @"A valid App ID was not supplied or detected.  Please call with a valid App ID or configure the app correctly to include FB App ID."}]
+                );
+            }
+            return;
+        }
+
+        // We turn off auto-publish, since this was manually called and the expectation
+        // is that it's only ever necessary to call this once.
+        if (!isAutoPublish) {
+            [FBSettings setShouldAutoPublishInstall:NO];
+        }
+
+        // look for a previous ping & grab the facebook app's current attribution id.
+        NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+        NSString *pingKey = [NSString stringWithFormat:FBLastAttributionPing, appID, nil];
+        NSString *responseKey = [NSString stringWithFormat:FBLastInstallResponse, appID, nil];
+      
+        NSDate *lastPing = [defaults objectForKey:pingKey];
+        id lastResponseData = [defaults objectForKey:responseKey];
+      
+        NSString *attributionID = [FBUtility attributionID];
+        NSString *advertiserID = [FBUtility advertiserID];
+
+        if (lastPing) {
+            // Short circuit
+            if (handler) {
+                handler(lastResponseData, nil);
+            }
+            return;
+        }
+  
+        if (!(attributionID || advertiserID)) {
+          if (handler) {
+              handler(
+                nil,
+                [NSError errorWithDomain:FacebookSDKDomain
+                                    code:FBErrorPublishInstallResponse
+                                userInfo:@{ NSLocalizedDescriptionKey : @"A valid attribution ID or advertiser ID was not found.  Publishing install when neither of them is present is a no-op."}]
+              );
+          }
+          return;
+        }
+
+        FBRequestHandler publishCompletionBlock = ^(FBRequestConnection *connection,
+                                                    id result,
+                                                    NSError *error) {
+            @try {
+                if (!error) {
+                    // if server communication was successful, take note of the current time.
+                    [defaults setObject:[NSDate date] forKey:pingKey];
+                    [defaults setObject:result forKey:responseKey];
+                    [defaults synchronize];
+                } else {
+                    // there was a problem.  allow a repeat execution.
+                    g_publishInstallOnceToken = 0;
+                }
+            } @catch (NSException *ex1) {
+                NSLog(@"Failure after install publish: %@", ex1.reason);
+            }
+
+            // Callback regardless of exception
+            if (handler) {
+                handler(result, error);
+            }
+        };
+
+        [FBUtility fetchAppSettings:appID
+                           callback:^(FBFetchedAppSettings *settings, NSError *error) {
+            if (!error) {
+                @try {
+                    if (settings.supportsAttribution) {
+                        // set up the HTTP POST to publish the attribution ID.
+                        NSString *publishPath = [NSString stringWithFormat:FBPublishActivityPath, appID, nil];
+                        NSMutableDictionary<FBGraphObject> *installActivity = [FBGraphObject graphObject];
+                        [installActivity setObject:FBMobileInstallEvent forKey:@"event"];
+              
+                        if (attributionID) {
+                            [installActivity setObject:attributionID forKey:@"attribution"];
+                        }
+                        if (advertiserID) {
+                            [installActivity setObject:advertiserID forKey:@"advertiser_id"];
+                        }
+                        [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:installActivity];
+
+                        [installActivity setObject:[NSNumber numberWithBool:isAutoPublish].stringValue forKey:@"auto_publish"];
+
+                        FBRequest *publishRequest = [[[FBRequest alloc] initForPostWithSession:nil graphPath:publishPath graphObject:installActivity] autorelease];
+                        [publishRequest startWithCompletionHandler:publishCompletionBlock];
+                    } else {
+                        // the app has turned off install insights.  prevent future attempts.
+                        [defaults setObject:[NSDate date] forKey:pingKey];
+                        [defaults setObject:nil forKey:responseKey];
+                        [defaults synchronize];
+
+                        if (handler) {
+                          handler(
+                            nil,
+                            [NSError errorWithDomain:FacebookSDKDomain
+                                                code:FBErrorPublishInstallResponse
+                                            userInfo:@{ NSLocalizedDescriptionKey : @"The application has not enabled install insights.  To turn this on, go to developers.facebook.com and enable install insights for the app."}]
+                          );
+                        }
+                    }
+                } @catch (NSException *ex2) {
+                    NSString *errorMessage = [NSString stringWithFormat:@"Failure during install publish: %@", ex2.reason];
+                    NSLog(@"%@", errorMessage);
+                    if (handler) {
+                        handler(
+                            nil,
+                            [NSError errorWithDomain:FacebookSDKDomain
+                                                code:FBErrorPublishInstallResponse
+                                            userInfo:@{ NSLocalizedDescriptionKey : errorMessage}]
+                        );
+                    }
+
+                }
+            }
+        }];
+    } @catch (NSException *ex3) {
+        NSString *errorMessage = [NSString stringWithFormat:@"Failure before/during install ping: %@", ex3.reason];
+        NSLog(@"%@", errorMessage);
+        if (handler) {
+            handler(
+                nil,
+                [NSError errorWithDomain:FacebookSDKDomain
+                                    code:FBErrorPublishInstallResponse
+                                userInfo:@{ NSLocalizedDescriptionKey : errorMessage}]
+            );
+        }
+    }
+}
+#pragma GCC diagnostic pop
+
+@end
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FBShareDialogParams.h b/Vendor/facebook-ios-sdk/src/FBShareDialogParams.h
new file mode 100644
index 0000000..55e554c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBShareDialogParams.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBDialogsParams.h"
+
+/*!
+ @class FBShareDialogParams
+ 
+ @abstract
+ This object is used to encapsulate state for parameters to a share dialog that
+ opens in the Facebook app.
+ */
+@interface FBShareDialogParams : FBDialogsParams
+
+/*! @abstract The URL link to be attached to the post. Only "http" or "https" 
+ schemes are supported. */
+@property (nonatomic, copy) NSURL *link;
+
+/*! @abstract The name, or title associated with the link. Is only used if the 
+ link is non-nil. */
+@property (nonatomic, copy) NSString *name;
+
+/*! @abstract The caption to be used with the link. Is only used if the link is
+ non-nil. */
+@property (nonatomic, copy) NSString *caption;
+
+/*! @abstract The description associated with the link. Is only used if the
+ link is non-nil. */
+@property (nonatomic, copy) NSString *description;
+
+/*! @abstract The link to a thumbnail to associate with the post. Is only used 
+ if the link is non-nil. Only "http" or "https" schemes are supported.*/
+@property (nonatomic, copy) NSURL *picture;
+
+/*! @abstract An array of NSStrings or FBGraphUsers to tag in the post.
+ If using NSStrings, the values must represent the IDs of the users to tag. */
+@property (nonatomic, copy) NSArray *friends;
+
+/*! @abstract An NSString or FBGraphPlace to tag in the status update. If 
+ NSString, the value must be the ID of the place to tag. */
+@property (nonatomic, copy) id place;
+
+/*! @abstract A text reference for the category of the post, used on Facebook 
+ Insights. */
+@property (nonatomic, copy) NSString *ref;
+
+/*! @abstract If YES, treats any data failures (e.g. failures when getting
+ data for IDs passed through "friends" or "place") as a fatal error, and will not
+ continue with the status update. */
+@property (nonatomic, assign) BOOL dataFailuresFatal;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBShareDialogParams.m b/Vendor/facebook-ios-sdk/src/FBShareDialogParams.m
new file mode 100644
index 0000000..d503b1a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBShareDialogParams.m
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBShareDialogParams.h"
+#import "FBDialogsParams+Internal.h"
+#import "FBAppBridge.h"
+#import "FBUtility.h"
+#import "FBLogger.h"
+
+#ifndef FB_BUILD_ONLY
+#define FB_BUILD_ONLY
+#endif
+
+#import "FBSettings.h"
+
+#ifdef FB_BUILD_ONLY
+#undef FB_BUILD_ONLY
+#endif
+
+@implementation FBShareDialogParams
+
+static NSString *const kFBHttpScheme  = @"http";
+static NSString *const kFBHttpsScheme = @"https";
+
+static NSString *const kFBShareDialogBetaVersion = @"20130214";
+static NSString *const kFBShareDialogProdVersion = @"20130410";
+
+- (void)dealloc
+{
+    [_link release];
+    [_name release];
+    [_caption release];
+    [_description release];
+    [_picture release];
+    [_friends release];
+    [_place release];
+    [_ref release];
+
+    [super dealloc];
+}
+
+- (NSDictionary *)dictionaryMethodArgs
+{
+    NSMutableDictionary *args = [NSMutableDictionary dictionary];
+    if (self.link) {
+        [args setObject:[self.link absoluteString] forKey:@"link"];
+    }
+    if (self.name) {
+        [args setObject:self.name forKey:@"name"];
+    }
+    if (self.caption) {
+        [args setObject:self.caption forKey:@"caption"];
+    }
+    if (self.description) {
+        [args setObject:self.description forKey:@"description"];
+    }
+    if (self.picture) {
+        [args setObject:[self.picture absoluteString] forKey:@"picture"];
+    }
+    if (self.friends) {
+        NSMutableArray *tags = [NSMutableArray arrayWithCapacity:self.friends.count];
+        for (id tag in self.friends) {
+            [tags addObject:[FBUtility stringFBIDFromObject:tag]];
+        }
+        [args setObject:tags forKey:@"tags"];
+    }
+    if (self.place) {
+        [args setObject:[FBUtility stringFBIDFromObject:self.place] forKey:@"place"];
+    }
+    if (self.ref) {
+        [args setObject:self.ref forKey:@"ref"];
+    }
+    [args setObject:[NSNumber numberWithBool:self.dataFailuresFatal] forKey:@"dataFailuresFatal"];
+
+    return args;
+}
+
+- (void)setLink:(NSURL *)link
+{
+    [_link autorelease];
+    if(link && ![self isSupportedScheme:link.scheme]) {
+        _link = nil;
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                            logEntry:@"FBShareDialogParams: only \"http\" or \"https\" schemes are supported for link shares"];
+    } else {
+        _link = [link copy];
+    }
+}
+
+- (void)setPicture:(NSURL *)picture
+{
+    [_picture autorelease];
+    if (picture && ![self isSupportedScheme:picture.scheme]) {
+        _picture = nil;
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                            logEntry:@"FBShareDialogParams: only \"http\" or \"https\" schemes are supported for link thumbnails"];
+    } else {
+        _picture = [picture copy];
+    }
+}
+
+- (BOOL)isSupportedScheme:(NSString *)scheme
+{
+    return [[scheme lowercaseString] isEqualToString:kFBHttpScheme] ||
+           [[scheme lowercaseString] isEqualToString:kFBHttpsScheme];
+}
+
+- (NSString *)appBridgeVersion
+{
+    if (_link && ![self isSupportedScheme:_link.scheme]) {
+        return nil;
+    }
+    if (_picture && ![self isSupportedScheme:_picture.scheme]) {
+        return nil;
+    }
+    
+    NSString *prodVersion = [FBAppBridge installedFBNativeAppVersionForMethod:@"share"
+                                                                   minVersion:kFBShareDialogProdVersion];
+    if (!prodVersion) {
+        if (![FBSettings isBetaFeatureEnabled:FBBetaFeaturesShareDialog]) {
+            return nil;
+        }
+        return [FBAppBridge installedFBNativeAppVersionForMethod:@"share" minVersion:kFBShareDialogBetaVersion];
+    }
+    return prodVersion;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.h b/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.h
new file mode 100644
index 0000000..100017b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <Accounts/Accounts.h>
+#import "FBSession+Internal.h"
+#import "FBTask.h"
+#import "FBTaskCompletionSource.h"
+
+typedef void (^FBRequestAccessToAccountsHandler)(NSString* oauthToken, NSError *accountStoreError);
+
+/*
+ @class
+ 
+ @abstract Adapter around system account store APIs. Note this is only intended for internal
+  consumption. If publicized, consider moving declarations to an internal only header.
+*/
+@interface FBSystemAccountStoreAdapter : NSObject
+
+/*
+ @abstract A convenience overload to default various parameters based on the provided session,
+  typically only for requesting a new token for the provided session.
+*/
+- (void)requestAccessToFacebookAccountStore:(FBSession *)session
+                                    handler:(FBRequestAccessToAccountsHandler)handler;
+
+/*
+ @abstract 
+   Requests access to the device's Facebook account for the given parameters.
+ @param permissions the permissions
+ @param defaultAudience the default audience
+ @param isReauthorize a flag describing if this is a reauth request
+ @param appID the app id
+ @param session the session requesting access for
+ @param handler the handler that will be invoked on completion (dispatched to the main thread). the oauthToken is nil on failure.
+*/
+- (void)requestAccessToFacebookAccountStore:(NSArray *)permissions
+                            defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                              isReauthorize:(BOOL)isReauthorize
+                                      appID:(NSString *)appID
+                                    session:(FBSession *)session
+                                    handler:(FBRequestAccessToAccountsHandler)handler;
+/*!
+ @abstract Same as `renewSystemAuthorization:` but represented as `FBTask`.
+*/
+- (FBTask *)renewSystemAuthorizationAsTask;
+
+/*!
+ @abstract Same as `requestAccessToFacebookAccountStore:handler:` but represented as `FBTask`
+*/
+- (FBTask *)requestAccessToFacebookAccountStoreAsTask:(FBSession *)session;
+/*
+ @abstract Sends a message to the device account store to renew the Facebook account credentials
+ 
+ @param handler the handler that is invoked on completion (dispatched to the main thread).
+*/
+- (void)renewSystemAuthorization:(void( ^ )(ACAccountCredentialRenewResult result, NSError *error)) handler;
+
+/*
+ @abstract Gets the singleton instance.
+*/
++ (FBSystemAccountStoreAdapter*) sharedInstance;
+
+/*
+ @abstract Sets the singleton instance, typically only for unit tests
+*/
++ (void) setSharedInstance:(FBSystemAccountStoreAdapter *) instance;
+
+/*
+ @abstract Gets or sets the flag indicating if the next requestAccess call should block
+  on a renew call.
+*/
+@property (assign) BOOL forceBlockingRenew;
+
+/*
+ @abstract Return YES if and only if access has been granted to the Facebook account
+  on the device store. This should indicate that a `requestAccessToFacebookAcountStore`
+  call will not trigger a UX
+*/
+@property (assign, readonly) BOOL canRequestAccessWithoutUI;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.m b/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.m
new file mode 100644
index 0000000..c68f03e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBSystemAccountStoreAdapter.m
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSystemAccountStoreAdapter.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import "FBLogger.h"
+#import "FBSettings.h"
+#import "FBErrorUtility+Internal.h"
+#import "FBAccessTokenData.h"
+#import "FBDynamicFrameworkLoader.h"
+
+@interface FBSystemAccountStoreAdapter() {
+    BOOL _forceBlockingRenew;
+}
+
+@property (retain, nonatomic, readonly) ACAccountStore *accountStore;
+@property (retain, nonatomic, readonly) ACAccountType *accountTypeFB;
+
+@end
+
+static NSString *const FBForceBlockingRenewKey = @"com.facebook.sdk:ForceBlockingRenewKey";
+static FBSystemAccountStoreAdapter* _singletonInstance = nil;
+
+@implementation FBSystemAccountStoreAdapter
+
+@synthesize accountStore = _accountStore;
+@synthesize accountTypeFB = _accountTypeFB;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        _forceBlockingRenew = [[NSUserDefaults standardUserDefaults] boolForKey:FBForceBlockingRenewKey];
+        _accountStore = [[[FBDynamicFrameworkLoader loadClass:@"ACAccountStore" withFramework:@"Accounts"] alloc] init];
+        _accountTypeFB = [[_accountStore accountTypeWithAccountTypeIdentifier:@"com.apple.facebook"] retain];
+    }
+    return self;
+}
+
+- (void) dealloc {
+    [_accountStore release];
+    [_accountTypeFB release];
+    [super dealloc];
+}
+
+#pragma mark - Properties
+- (BOOL) forceBlockingRenew {
+    return _forceBlockingRenew;
+}
+
+- (void) setForceBlockingRenew:(BOOL)forceBlockingRenew{
+    if (_forceBlockingRenew!= forceBlockingRenew){
+        _forceBlockingRenew = forceBlockingRenew;
+        NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
+        [userDefaults setBool:forceBlockingRenew forKey:FBForceBlockingRenewKey];
+        [userDefaults synchronize];
+    }
+}
+
++ (FBSystemAccountStoreAdapter*) sharedInstance {
+    if (_singletonInstance == nil) {
+        static dispatch_once_t onceToken;
+        
+        dispatch_once(&onceToken, ^{
+            _singletonInstance = [[FBSystemAccountStoreAdapter alloc] init];
+        });
+    }
+    
+    return _singletonInstance;
+}
+
++ (void) setSharedInstance:(FBSystemAccountStoreAdapter *) instance {
+    if (instance != _singletonInstance){
+        [_singletonInstance release];
+         _singletonInstance = [instance retain];
+    }
+}
+
+- (BOOL) canRequestAccessWithoutUI {
+    if (self.accountTypeFB && self.accountTypeFB.accessGranted) {
+        NSArray *fbAccounts = [self.accountStore accountsWithAccountType:self.accountTypeFB];
+        if (fbAccounts.count > 0) {
+            id account = [fbAccounts objectAtIndex:0];
+            id credential = [account credential];
+        
+            return [credential oauthToken].length > 0;
+        }
+    }
+    return NO;
+}
+
+#pragma  mark - Public properties and methods
+
+- (FBTask *)requestAccessToFacebookAccountStoreAsTask:(FBSession *)session {
+    FBTaskCompletionSource* tcs = [FBTaskCompletionSource taskCompletionSource];
+    [self requestAccessToFacebookAccountStore:session handler:^(NSString *oauthToken, NSError *accountStoreError) {
+        if (accountStoreError) {
+            [tcs setError:accountStoreError];
+        } else {
+            [tcs setResult:oauthToken];
+        }
+    }];
+    return tcs.task;
+}
+
+
+- (void)requestAccessToFacebookAccountStore:(FBSession *)session
+                                    handler:(FBRequestAccessToAccountsHandler)handler {
+    return [self requestAccessToFacebookAccountStore:session.accessTokenData.permissions
+                                     defaultAudience:session.lastRequestedSystemAudience
+                                       isReauthorize:NO
+                                               appID:session.appID
+                                             session:session
+                                             handler:handler];
+}
+
+- (void)requestAccessToFacebookAccountStore:(NSArray *)permissions
+                            defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                              isReauthorize:(BOOL)isReauthorize
+                                      appID:(NSString *)appID
+                                    session:(FBSession *)session
+                                    handler:(FBRequestAccessToAccountsHandler)handler {
+    if (appID == nil) {
+        @throw [NSException exceptionWithName:NSInvalidArgumentException
+                                                         reason:@"appID cannot be nil"
+                                                       userInfo:nil];
+    }
+
+    // app may be asking for nothing, but we will always have an array here
+    NSArray *permissionsToUse = permissions ? permissions : [NSArray array];
+    if ([FBUtility areAllPermissionsReadPermissions:permissions]) {
+        // If we have only read permissions being requested, ensure that basic info
+        //  is among the permissions requested.
+        permissionsToUse = [FBUtility addBasicInfoPermission:permissionsToUse];
+    }
+    
+    NSString *audience;
+    switch (defaultAudience) {
+        case FBSessionDefaultAudienceOnlyMe:
+            audience = [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookAudienceOnlyMe" withFramework:@"Accounts"];
+            break;
+        case FBSessionDefaultAudienceFriends:
+            audience = [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookAudienceFriends" withFramework:@"Accounts"];
+            break;
+        case FBSessionDefaultAudienceEveryone:
+            audience = [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookAudienceEveryone" withFramework:@"Accounts"];
+            break;
+        default:
+            audience = nil;
+    }
+    
+    // no publish_* permissions are permitted with a nil audience
+    if (!audience && isReauthorize) {
+        for (NSString *p in permissions) {
+            if ([p hasPrefix:@"publish"]) {
+                [[NSException exceptionWithName:FBInvalidOperationException
+                                         reason:@"FBSession: One or more publish permission was requested "
+                  @"without specifying an audience; use FBSessionDefaultAudienceJustMe, "
+                  @"FBSessionDefaultAudienceFriends, or FBSessionDefaultAudienceEveryone"
+                                       userInfo:nil]
+                 raise];
+            }
+        }
+    }
+    
+    // construct access options
+    NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:
+                             appID, [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookAppIdKey" withFramework:@"Accounts"],
+                             permissionsToUse, [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookPermissionsKey" withFramework:@"Accounts"],
+                             audience, [FBDynamicFrameworkLoader loadStringConstant:@"ACFacebookAudienceKey" withFramework:@"Accounts"], // must end on this key/value due to audience possibly being nil
+                             nil];
+    
+    //wrap the request call into a separate block to help with possibly block chaining below.
+    void(^requestAccessBlock)(void) = ^{
+        if (!self.accountTypeFB) {
+            if (handler) {
+                handler(nil, [session errorLoginFailedWithReason:FBErrorLoginFailedReasonSystemError
+                                                       errorCode:nil
+                                                      innerError:nil]);
+            }
+            return;
+        }
+        // we will attempt an iOS integrated facebook login
+        [self.accountStore
+         requestAccessToAccountsWithType:self.accountTypeFB
+         options:options
+         completion:^(BOOL granted, NSError *error) {
+             if (!(granted ||
+                   error.code != ACErrorPermissionDenied ||
+                   [error.description rangeOfString:@"remote_app_id does not match stored id"].location == NSNotFound)) {
+
+                 [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors formatString:
+                              @"System authorization failed:'%@'. This may be caused by a mismatch between"
+                              @" the bundle identifier and your app configuration on the server"
+                              @" at developers.facebook.com/apps.",
+                  error.localizedDescription];
+             }
+             
+             // requestAccessToAccountsWithType:options:completion: completes on an
+             // arbitrary thread; let's process this back on our main thread
+             dispatch_async( dispatch_get_main_queue(), ^{
+                 NSError* accountStoreError = error;
+                 NSString *oauthToken = nil;
+                 if (granted) {
+                     NSArray *fbAccounts = [self.accountStore accountsWithAccountType:self.accountTypeFB];
+                     id account = [fbAccounts objectAtIndex:0];
+                     id credential = [account credential];
+                     
+                     oauthToken = [credential oauthToken];
+                 }
+                 
+                 if (!accountStoreError && !oauthToken){
+                     // This means iOS did not give an error nor granted. In order to
+                     // surface this to users, stuff in our own error that can be inspected.
+                     accountStoreError = [session errorLoginFailedWithReason:FBErrorLoginFailedReasonSystemDisallowedWithoutErrorValue
+                                                                   errorCode:nil
+                                                                  innerError:nil];
+                 }
+                 handler(oauthToken, accountStoreError);
+             });
+         }];
+    };
+    
+    if (self.forceBlockingRenew
+        && [self.accountStore accountsWithAccountType:self.accountTypeFB].count > 0) {
+        // If the force renew flag is set and an iOS FB account is still set,
+        // chain the requestAccessBlock to a successful renew result
+        [self renewSystemAuthorization:^(ACAccountCredentialRenewResult result, NSError *error) {
+            if (result == ACAccountCredentialRenewResultRenewed) {
+                self.forceBlockingRenew = NO;
+                requestAccessBlock();
+            } else if (handler) {
+                // Otherwise, invoke the caller's handler back on the main thread with an
+                // error that will trigger the password change user message.
+                dispatch_async(dispatch_get_main_queue(), ^{
+                    handler(nil, [FBErrorUtility fberrorForSystemPasswordChange:error]);
+                });
+            }
+        }];
+    } else {
+        // Otherwise go ahead and invoke normal request.
+        requestAccessBlock();
+    }
+}
+
+- (void)renewSystemAuthorization:(void( ^ )(ACAccountCredentialRenewResult, NSError* )) handler {
+    // if the slider has been set to off, renew calls to iOS simply hang, so we must
+    // preemptively check for that condition.
+    if (self.accountStore && self.accountTypeFB && self.accountTypeFB.accessGranted) {
+        NSArray *fbAccounts = [self.accountStore accountsWithAccountType:self.accountTypeFB];
+        id account;
+        if (fbAccounts && [fbAccounts count] > 0 &&
+            (account = [fbAccounts objectAtIndex:0])){
+            
+            [self.accountStore renewCredentialsForAccount:account completion:^(ACAccountCredentialRenewResult renewResult, NSError *error) {
+                if (error){
+                    [FBLogger singleShotLogEntry:FBLoggingBehaviorAccessTokens
+                                        logEntry:[NSString stringWithFormat:@"renewCredentialsForAccount result:%ld, error: %@",
+                                                  (long)renewResult,
+                                                  error]];
+                }
+                if (handler) {
+                    dispatch_async(dispatch_get_main_queue(), ^{
+                        handler(renewResult, error);
+                    });
+                }
+            }];
+            return;
+        }
+    }
+    
+    if (handler) {
+        // If there is a handler and we didn't return earlier (i.e, no renew call), determine an appropriate error to surface.
+        NSError *error;
+        if (self.accountTypeFB && !self.accountTypeFB.accessGranted) {
+            error = [[NSError errorWithDomain:FacebookSDKDomain
+                                                 code:FBErrorSystemAPI
+                                             userInfo:@{ NSLocalizedDescriptionKey : @"Access has not been granted to the Facebook account. Verify device settings."}]
+                     retain];
+
+        } else {
+            error = [[NSError errorWithDomain:FacebookSDKDomain
+                                        code:FBErrorSystemAPI
+                                    userInfo:@{ NSLocalizedDescriptionKey : @"The Facebook account has not been configured on the device."}]
+                     retain];
+        }
+
+        dispatch_async(dispatch_get_main_queue(), ^{
+            handler(ACAccountCredentialRenewResultRejected, error);
+            [error release];
+        });
+    }
+}
+
+- (FBTask *)renewSystemAuthorizationAsTask {
+    FBTaskCompletionSource* tcs = [FBTaskCompletionSource taskCompletionSource];
+    [self renewSystemAuthorization:^(ACAccountCredentialRenewResult result, NSError *error) {
+        if (error) {
+            [tcs setError:error];
+        } else {
+            [tcs setResult:result];
+        }
+    }];
+    return tcs.task;
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTask+Private.h b/Vendor/facebook-ios-sdk/src/FBTask+Private.h
new file mode 100644
index 0000000..b6bef7e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTask+Private.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "FBTask.h"
+
+@interface FBTask (Private)
+
+/*!
+ Waits until this operation is completed, then returns its value.
+ This method is inefficient and consumes a thread resource while
+ its running. It should be avoided. This method logs an warning
+ message if it is used on the main thread. If this task is cancelled,
+ nil is returned.
+ */
+- (id)waitForResult:(NSError **)error;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTask.h b/Vendor/facebook-ios-sdk/src/FBTask.h
new file mode 100644
index 0000000..112816a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTask.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+/*!
+ The consumer view of a Task. A FBTask has methods to
+ inspect the state of the task, and to add continuations to
+ be run once the task is complete.
+ */
+@interface FBTask : NSObject
+
+/*!
+ Creates a task that is already completed with the given result.
+ */
++ (FBTask *)taskWithResult:(id)result;
+
+/*!
+ Creates a task that is already completed with the given error.
+ */
++ (FBTask *)taskWithError:(NSError *)error;
+
+/*!
+ Creates a task that is already completed with the given exception.
+ */
++ (FBTask *)taskWithException:(NSException *)exception;
+
+/*!
+ Creates a task that is already cancelled.
+ */
++ (FBTask *)cancelledTask;
+
+/*!
+ Returns a task that will be completed (with result == nil) once
+ all of the input tasks have completed.
+ */
++ (FBTask *)taskDependentOnTasks:(NSArray *)tasks;
+
+/*!
+ Returns a task that will be completed a certain amount of time in the future.
+ @param delay The amount of time to wait before the
+ task will be finished (with result == nil).
+ */
++ (FBTask *)taskWithDelay:(dispatch_time_t)delay;
+
+// Properties that will be set on the task once it is completed.
+
+/*!
+ The result of a successful task.
+ */
+- (id)result;
+
+/*!
+ The error of a failed task.
+ */
+- (NSError *)error;
+
+/*!
+ The exception of a failed task.
+ */
+- (NSException *)exception;
+
+/*!
+ Whether this task has been cancelled.
+ */
+- (BOOL)isCancelled;
+
+/*!
+ Whether this task has completed.
+ */
+- (BOOL)isCompleted;
+
+/*!
+ Enqueues the given block to be run once this task is complete.
+ @param block The block to be run once this task is complete.
+ @returns A task that will be completed after block has run.
+ If block returns a FBTask, then the task returned from
+ this method will not be completed until that task is completed.
+ */
+- (FBTask *)dependentTaskWithBlock:(id(^)(FBTask *task))block;
+
+/*!
+ Identical to `dependentTaskWithBlock:`, except the block
+ is dispatched to the specified queue.
+ */
+- (FBTask *)dependentTaskWithBlock:(id(^)(FBTask *task))block queue:(dispatch_queue_t)queue;
+
+/*!
+ Identical to `dependentTaskWithBlock:`, except that the block is only run
+ if this task did not produce a cancellation, error, or exception.
+ If it did, then the failure will be propagated to the returned
+ task.
+ */
+- (FBTask *)completionTaskWithBlock:(id(^)(FBTask *task))block;
+
+/*!
+ Identical to `completionTaskWithBlock:`, except the block
+ is dispatched to the specified queue.
+*/
+- (FBTask *)completionTaskWithQueue:(dispatch_queue_t)queue block:(id(^)(FBTask *task))block;
+
+/*!
+ Waits until this operation is completed.
+ This method is inefficient and consumes a thread resource while
+ it's running. It should be avoided. This method logs a warning
+ message if it is used on the main thread.
+ */
+- (void)waitUntilFinished;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTask.m b/Vendor/facebook-ios-sdk/src/FBTask.m
new file mode 100644
index 0000000..7f7a2e5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTask.m
@@ -0,0 +1,353 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTask.h"
+
+#import <libkern/OSAtomic.h>
+
+#import "FBTaskCompletionSource.h"
+
+__attribute__ ((noinline)) void logOperationOnMainThread() {
+    NSLog(@"Warning: A long-running FBTask operation is being executed on the main thread. \n"
+          " Break on logOperationOnMainThread() to debug.");
+}
+
+@interface FBTask () {
+    id _result;
+    NSError *_error;
+    NSException *_exception;
+    BOOL _cancelled;
+}
+
+@property (nonatomic, retain, readwrite) NSObject *lock;
+@property (nonatomic, retain, readwrite) NSCondition *condition;
+@property (nonatomic, assign, readwrite) BOOL completed;
+@property (nonatomic, retain, readwrite) NSMutableArray *callbacks;
+@end
+
+@implementation FBTask
+
+- (id)init {
+    if ((self = [super init])) {
+        _lock = [[NSObject alloc] init];
+        _condition = [[NSCondition alloc] init];
+        _callbacks = [[NSMutableArray array] retain];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_lock release];
+    [_condition release];
+    [_callbacks release];
+    
+    [super dealloc];
+}
+
++ (FBTask *)taskWithResult:(id)result {
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    tcs.result = result;
+    return tcs.task;
+}
+
++ (FBTask *)taskWithError:(NSError *)error {
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    tcs.error = error;
+    return tcs.task;
+}
+
++ (FBTask *)taskWithException:(NSException *)exception {
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    tcs.exception = exception;
+    return tcs.task;
+}
+
++ (FBTask *)cancelledTask {
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    [tcs cancel];
+    return tcs.task;
+}
+
++ (FBTask *)taskDependentOnTasks:(NSArray *)tasks {
+    __block int32_t total = (int32_t)tasks.count;
+    if (total == 0) {
+        return [FBTask taskWithResult:nil];
+    }
+
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    for (FBTask *task in tasks) {
+        [task dependentTaskWithBlock:^id(FBTask *task) {
+            if (OSAtomicDecrement32(&total) == 0) {
+                tcs.result = nil;
+            }
+            return nil;
+        }];
+    }
+    return tcs.task;
+}
+
++ (FBTask *)taskWithDelay:(dispatch_time_t)delay {
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    dispatch_after(delay, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(void){
+        tcs.result = nil;
+    });
+    return tcs.task;
+}
+
+- (id)result {
+    @synchronized (self.lock) {
+        return _result;
+    }
+}
+
+- (void)setResult:(id)result {
+    if (![self trySetResult:result]) {
+        [NSException raise:NSInternalInconsistencyException
+                    format:@"Cannot set the result on a completed task."];
+    }
+}
+
+- (BOOL)trySetResult:(id)result {
+    @synchronized (self.lock) {
+        if (self.completed) {
+            return NO;
+        }
+        self.completed = YES;
+        _result = result;
+        [self runContinuations];
+        return YES;
+    }
+}
+
+- (NSError *)error {
+    @synchronized (self.lock) {
+        return _error;
+    }
+}
+
+- (void)setError:(NSError *)error {
+    if (![self trySetError:error]) {
+        [NSException raise:NSInternalInconsistencyException
+                    format:@"Cannot set the error on a completed task."];
+    }
+}
+
+- (BOOL)trySetError:(NSError *)error {
+    @synchronized (self.lock) {
+        if (self.completed) {
+            return NO;
+        }
+        self.completed = YES;
+        _error = error;
+        [self runContinuations];
+        return YES;
+    }
+}
+
+- (NSException *)exception {
+    @synchronized (self.lock) {
+        return _exception;
+    }
+}
+
+- (void)setException:(NSException *)exception {
+    if (![self trySetException:exception]) {
+        [NSException raise:NSInternalInconsistencyException
+                    format:@"Cannot set the exception on a completed task."];
+    }
+}
+
+- (BOOL)trySetException:(NSException *)exception {
+    @synchronized (self.lock) {
+        if (self.completed) {
+            return NO;
+        }
+        self.completed = YES;
+        _exception = exception;
+        [self runContinuations];
+        return YES;
+    }
+}
+
+- (BOOL)isCancelled {
+    @synchronized (self.lock) {
+        return _cancelled;
+    }
+}
+
+- (void)cancel {
+    @synchronized (self.lock) {
+        if (![self trySetCancelled]) {
+            [NSException raise:NSInternalInconsistencyException
+                        format:@"Cannot cancel a completed task."];
+        }
+    }
+}
+
+- (BOOL)trySetCancelled {
+    @synchronized (self.lock) {
+        if (self.completed) {
+            return NO;
+        }
+        self.completed = YES;
+        _cancelled = YES;
+        [self runContinuations];
+        return YES;
+    }
+}
+
+- (BOOL)isCompleted {
+    @synchronized (self.lock) {
+        return _completed;
+    }
+}
+
+- (void)setCompleted {
+    @synchronized (self.lock) {
+        _completed = YES;
+    }
+}
+
+- (void)runContinuations {
+    @synchronized (self.lock) {
+        [self.condition lock];
+        [self.condition broadcast];
+        [self.condition unlock];
+        for (void (^callback)() in self.callbacks) {
+            callback();
+        }
+        [self.callbacks removeAllObjects];
+    }
+}
+
+- (FBTask *)dependentTaskWithBlock:(id(^)(FBTask *task))block {
+    return [self dependentTaskWithBlock:block queue:nil];
+}
+
+- (FBTask *)dependentTaskWithBlock:(id(^)(FBTask *task))block queue:(dispatch_queue_t)queue {
+    block = [[block copy] autorelease];
+    
+    FBTaskCompletionSource *tcs = [FBTaskCompletionSource taskCompletionSource];
+    queue = queue ?: dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+    
+    // Capture all of the state that needs to used when the continuation is complete.
+    void (^wrappedBlock)() = ^() {
+        // Always dispatching callbacks async consumes less stack space, and seems
+        // to be a little faster, but loses stacktrace information. If you're debugging,
+        // consider commenting this line out and running the block synchronously.
+        dispatch_async(queue, ^{
+            id result = nil;
+            @try {
+                result = block(self);
+            } @catch (NSException *exception) {
+                tcs.exception = exception;
+                return;
+            }
+
+            if ([result isKindOfClass:[FBTask class]]) {
+                [(FBTask *)result dependentTaskWithBlock:^id(FBTask *task) {
+                    if (task.isCancelled) {
+                        [tcs cancel];
+                    } else if (task.exception) {
+                        tcs.exception = task.exception;
+                    } else if (task.error) {
+                        tcs.error = task.error;
+                    } else {
+                        tcs.result = task.result;
+                    }
+                    return nil;
+                } queue:queue];
+            } else {
+                tcs.result = result;
+            }
+        });
+    };
+    
+    BOOL completed;
+    @synchronized (self.lock) {
+        completed = self.completed;
+        if (!completed) {
+            [self.callbacks addObject:[[wrappedBlock copy] autorelease]];
+        }
+    }
+    if (completed) {
+        wrappedBlock();
+    }
+    
+    return tcs.task;
+}
+
+- (FBTask *)completionTaskWithBlock:(id(^)(FBTask *task))block {
+    block = [block copy];
+    return [self dependentTaskWithBlock:^id(FBTask *task) {
+        if (task.error || task.exception || task.isCancelled) {
+            return task;
+        } else {
+            return [task dependentTaskWithBlock:block];
+        }
+    }];
+}
+
+- (FBTask *)completionTaskWithQueue:(dispatch_queue_t)queue block:(id(^)(FBTask *task))block {
+    block = [block copy];
+    return [self dependentTaskWithBlock:^id(FBTask *task) {
+        if (task.error || task.exception || task.isCancelled) {
+            return task;
+        } else {
+            return [task dependentTaskWithBlock:block queue:queue];
+        }
+    }];
+}
+
+- (void)warnOperationOnMainThread {
+    logOperationOnMainThread();
+}
+
+// A no-op version to be swizzled in for tests.
+- (void)warnOperationOnMainThreadNoOp {
+}
+
+// Private methods.
+
+- (void)waitUntilFinished {
+    if ([NSThread isMainThread]) {
+        [self warnOperationOnMainThread];
+    }
+
+    @synchronized (self.lock) {
+        if (self.isCompleted) {
+            return;
+        }
+        [self.condition lock];
+    }
+    [self.condition wait];
+    [self.condition unlock];
+}
+
+- (id)waitForResult:(NSError **)error {
+    [self waitUntilFinished];
+    if (self.isCancelled) {
+        return nil;
+    } else if (self.exception) {
+        @throw self.exception;
+    }
+    if (self.error && error) {
+        *error = self.error;
+    }
+    return self.result;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.h b/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.h
new file mode 100644
index 0000000..55bc709
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import <Foundation/Foundation.h>
+
+@class FBTask;
+
+/*!
+ A FBTaskCompletionSource represents the producer side of tasks.
+ It is a task that also has methods for changing the state of the
+ task by settings its completion values.
+ */
+@interface FBTaskCompletionSource : NSObject
+
+/*!
+ Creates a new unfinished task.
+ */
++ (FBTaskCompletionSource *)taskCompletionSource;
+
+/*!
+ The task associated with this TaskCompletionSource.
+ */
+@property (nonatomic, retain, readonly) FBTask *task;
+
+/*!
+ Completes the task by setting the result.
+ Attempting to set this for a completed task will raise an exception.
+ */
+- (void)setResult:(id)result;
+
+/*!
+ Completes the task by setting the error.
+ Attempting to set this for a completed task will raise an exception.
+ */
+- (void)setError:(NSError *)error;
+
+/*!
+ Completes the task by setting an exception.
+ Attempting to set this for a completed task will raise an exception.
+ */
+- (void)setException:(NSException *)exception;
+
+/*!
+ Completes the task by marking it as cancelled.
+ Attempting to set this for a completed task will raise an exception.
+ */
+- (void)cancel;
+
+/*!
+ Sets the result of the task if it wasn't already completed.
+ @returns whether the new value was set.
+ */
+- (BOOL)trySetResult:(id)result;
+
+/*!
+ Sets the error of the task if it wasn't already completed.
+ @returns whether the new value was set.
+ */
+- (BOOL)trySetError:(NSError *)error;
+
+/*!
+ Sets the exception of the task if it wasn't already completed.
+ @returns whether the new value was set.
+ */
+- (BOOL)trySetException:(NSException *)exception;
+
+/*!
+ Sets the cancellation state of the task if it wasn't already completed.
+ @returns whether the new value was set.
+ */
+- (BOOL)trySetCancelled;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.m b/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.m
new file mode 100644
index 0000000..509fdd3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTaskCompletionSource.m
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2013 Facebook
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTaskCompletionSource.h"
+
+#import "FBTask.h"
+
+@interface FBTaskCompletionSource ()
+@property (nonatomic, retain, readwrite) FBTask *task;
+@end
+
+@interface FBTask (FBTaskCompletionSource)
+- (void)setResult:(id)result;
+- (void)setError:(NSError *)error;
+- (void)setException:(NSException *)exception;
+- (void)cancel;
+- (BOOL)trySetResult:(id)result;
+- (BOOL)trySetError:(NSError *)error;
+- (BOOL)trySetException:(NSException *)exception;
+- (BOOL)trySetCancelled;
+@end
+
+@implementation FBTaskCompletionSource
+
++ (FBTaskCompletionSource *)taskCompletionSource {
+    return [[[FBTaskCompletionSource alloc] init] autorelease];
+}
+
+- (id)init {
+    if ((self = [super init])) {
+        _task = [[FBTask alloc] init];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [_task release];
+    
+    [super dealloc];
+}
+
+- (void)setResult:(id)result {
+    [self.task setResult:result];
+}
+
+- (void)setError:(NSError *)error {
+    [self.task setError:error];
+}
+
+- (void)setException:(NSException *)exception {
+    [self.task setException:exception];
+}
+
+- (void)cancel {
+    [self.task cancel];
+}
+
+- (BOOL)trySetResult:(id)result {
+    return [self.task trySetResult:result];
+}
+
+- (BOOL)trySetError:(NSError *)error {
+    return [self.task trySetError:error];
+}
+
+- (BOOL)trySetException:(NSException *)exception {
+    return [self.task trySetException:exception];
+}
+
+- (BOOL)trySetCancelled {
+    return [self.task trySetCancelled];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTestSession+Internal.h b/Vendor/facebook-ios-sdk/src/FBTestSession+Internal.h
new file mode 100644
index 0000000..fc4feb0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTestSession+Internal.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "FBSession.h"
+
+@interface FBTestSession (Internal)
+
+// Can be used during testing to force a request for an access token refresh. This affects only the next
+// connection, when this flag is reset.
+@property (readwrite) BOOL forceAccessTokenRefresh;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTestSession.h b/Vendor/facebook-ios-sdk/src/FBTestSession.h
new file mode 100644
index 0000000..81a3935
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTestSession.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "FBSession.h"
+
+#if defined (DEBUG)
+    #define SAFE_TO_USE_FBTESTSESSION
+#endif
+
+#if !defined(SAFE_TO_USE_FBTESTSESSION)
+    #pragma message ("warning: using FBTestSession, which is designed for unit-testing uses only, in non-DEBUG code -- ensure this is what you really want")
+#endif
+
+/*! 
+ Consider using this tag to pass to sessionWithSharedUserWithPermissions:uniqueUserTag: when
+ you need a second unique test user in a test case. Using the same tag each time reduces
+ the proliferation of test users.
+ */
+extern NSString *kSecondTestUserTag;
+/*! 
+ Consider using this tag to pass to sessionWithSharedUserWithPermissions:uniqueUserTag: when
+ you need a third unique test user in a test case. Using the same tag each time reduces
+ the proliferation of test users.
+ */
+extern NSString *kThirdTestUserTag;
+
+/*!
+ @class FBTestSession
+ 
+ @abstract
+ Implements an FBSession subclass that knows about test users for a particular
+ application. This should never be used from a real application, but may be useful
+ for writing unit tests, etc.
+ 
+ @discussion
+ Facebook allows developers to create test accounts for testing their applications'
+ Facebook integration (see https://developers.facebook.com/docs/test_users/). This class
+ simplifies use of these accounts for writing unit tests. It is not designed for use in
+ production application code.
+ 
+ The main use case for this class is using sessionForUnitTestingWithPermissions:mode:
+ to create a session for a test user. Two modes are supported. In "shared" mode, an attempt
+ is made to find an existing test user that has the required permissions and, if it is not
+ currently in use by another FBTestSession, just use that user. If no such user is available,
+ a new one is created with the required permissions. In "private" mode, designed for
+ scenarios which require a new user in a known clean state, a new test user will always be
+ created, and it will be automatically deleted when the FBTestSession is closed.
+ 
+ Note that the shared test user functionality depends on a naming convention for the test users.
+ It is important that any testing of functionality which will mutate the permissions for a
+ test user NOT use a shared test user, or this scheme will break down. If a shared test user
+ seems to be in an invalid state, it can be deleted manually via the Web interface at
+ https://developers.facebook.com/apps/APP_ID/permissions?role=test+users.
+ */
+@interface FBTestSession : FBSession
+
+/// The app access token (composed of app ID and secret) to use for accessing test users.
+@property (readonly, copy) NSString *appAccessToken;
+/// The ID of the test user associated with this session.
+@property (readonly, copy) NSString *testUserID;
+/// The App ID of the test app as configured in the plist.
+@property (readonly, copy) NSString *testAppID;
+/// The App Secret of the test app as configured in the plist.
+@property (readonly, copy) NSString *testAppSecret;
+// Defaults to NO. If set to YES, reauthorize calls will fail with a nil token
+// as if the user had cancelled it reauthorize.
+@property (assign) BOOL disableReauthorize;
+
+/*!
+ @abstract
+ Constructor helper to create a session for use in unit tests
+ 
+ @discussion
+ This method creates a session object which uses a shared test user with the right permissions,
+ creating one if necessary on open (but not deleting it on close, so it can be re-used in later
+ tests). Calling this method multiple times may return sessions with the same user. If this is not
+ desired, use the variant sessionWithSharedUserWithPermissions:uniqueUserTag:.
+ 
+ This method should not be used in application code -- but is useful for creating unit tests
+ that use the Facebook SDK.
+ 
+ @param permissions     array of strings naming permissions to authorize; nil indicates 
+ a common default set of permissions should be used for unit testing
+  */
++ (id)sessionWithSharedUserWithPermissions:(NSArray*)permissions;
+
+/*!
+ @abstract
+ Constructor helper to create a session for use in unit tests
+ 
+ @discussion
+ This method creates a session object which uses a shared test user with the right permissions,
+ creating one if necessary on open (but not deleting it on close, so it can be re-used in later
+ tests). 
+ 
+ This method should not be used in application code -- but is useful for creating unit tests
+ that use the Facebook SDK.
+ 
+ @param permissions     array of strings naming permissions to authorize; nil indicates 
+ a common default set of permissions should be used for unit testing
+ 
+ @param uniqueUserTag   a string which will be used to make this user unique among other
+ users with the same permissions. Useful for tests which require two or more users to interact
+ with each other, and which therefore must have sessions associated with different users. For
+ this case, consider using kSecondTestUserTag and kThirdTestUserTag so these users can be shared
+ with other, similar, tests.
+ */
++ (id)sessionWithSharedUserWithPermissions:(NSArray*)permissions 
+                             uniqueUserTag:(NSString*)uniqueUserTag;
+
+/*!
+ @abstract
+ Constructor helper to create a session for use in unit tests
+ 
+ @discussion
+ This method creates a session object which creates a test user on open, and destroys the user on
+ close; This method should not be used in application code -- but is useful for creating unit tests
+ that use the Facebook SDK.
+ 
+ @param permissions     array of strings naming permissions to authorize; nil indicates 
+ a common default set of permissions should be used for unit testing
+ */
++ (id)sessionWithPrivateUserWithPermissions:(NSArray*)permissions;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBTestSession.m b/Vendor/facebook-ios-sdk/src/FBTestSession.m
new file mode 100644
index 0000000..090a4bf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBTestSession.m
@@ -0,0 +1,584 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define SAFE_TO_USE_FBTESTSESSION
+
+#import "FBTestSession.h"
+#import "FBTestSession+Internal.h"
+#import "FBSessionManualTokenCachingStrategy.h"
+#import "FBError.h"
+#import "FBSession+Protected.h"
+#import "FBSession+Internal.h"
+#import "FBRequest.h"
+#import <pthread.h>
+#import "FBGraphUser.h"
+#import "FBUtility.h"
+
+/* 
+ Indicates whether the test user for an FBTestSession should be shared
+ (created only if necessary, not deleted automatically) or private (created specifically
+ for this session, deleted automatically upon close).
+ */
+typedef enum {
+    // Create and delete a new test user for this session.
+    FBTestSessionModePrivate    = 0,
+    // Use an existing available test user with the right permissions, or create 
+    // a new one if none are available. Not automatically deleted.
+    FBTestSessionModeShared     = 1,
+} FBTestSessionMode;
+
+static NSString *const FBPLISTTestAppIDKey = @"IOS_SDK_TEST_APP_ID";
+static NSString *const FBPLISTTestAppSecretKey = @"IOS_SDK_TEST_APP_SECRET";
+static NSString *const FBPLISTUniqueUserTagKey = @"IOS_SDK_MACHINE_UNIQUE_USER_KEY";
+static NSString *const FBLoginAuthTestUserURLPath = @"oauth/access_token";
+static NSString *const FBLoginAuthTestUserCreatePathFormat = @"%@/accounts/test-users";
+static NSString *const FBLoginTestUserClientID = @"client_id";
+static NSString *const FBLoginTestUserClientSecret = @"client_secret";
+static NSString *const FBLoginTestUserGrantType = @"grant_type";
+static NSString *const FBLoginTestUserGrantTypeClientCredentials = @"client_credentials";
+static NSString *const FBLoginTestUserAccessToken = @"access_token";
+static NSString *const FBLoginTestUserID = @"id";
+static NSString *const FBLoginTestUserName = @"name";
+
+NSString *kSecondTestUserTag = @"Second";
+NSString *kThirdTestUserTag = @"Third";
+
+NSString *const FBErrorLoginFailedReasonUnitTestResponseUnrecognized = @"com.facebook.sdk:UnitTestResponseUnrecognized";
+
+#pragma mark Module scoped global variables
+
+static NSMutableDictionary *testUsers = nil;
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+#pragma mark -
+
+#pragma mark Private interface
+
+@interface FBTestSession () 
+{
+    BOOL _forceAccessTokenRefresh;
+}
+
+@property (readwrite, copy) NSString *appAccessToken;
+@property (readwrite, copy) NSString *testUserID;
+@property (readwrite, copy) NSString *testAppID;
+@property (readwrite, copy) NSString *testAppSecret;
+@property (readwrite, copy) NSString *machineUniqueUserTag;
+@property (readwrite, copy) NSString *sessionUniqueUserTag;
+@property (readonly, copy) NSString *permissionsString;
+@property (readonly, copy) NSString *sharedTestUserIdentifier;
+@property (readwrite) FBTestSessionMode mode;
+
+- (id)initWithAppID:(NSString*)appID 
+          appSecret:(NSString*)appSecret
+machineUniqueUserTag:(NSString*)uniqueUserTag
+sessionUniqueUserTag:(NSString*)sessionUniqueUserTag
+               mode:(FBTestSessionMode)mode
+        permissions:(NSArray*)permissions 
+tokenCachingStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy;
+- (void)createNewTestUser;
+- (void)retrieveTestUsersForApp;
+- (void)findOrCreateSharedUser;
+- (void)transitionToOpenWithToken:(NSString*)token;
+- (NSString*)validNameStringFromInteger:(NSUInteger)input;
+- (void)raiseException:(NSError*)innerError;
+
++ (void)deleteUnitTestUser:(NSString*)userID accessToken:(NSString*)accessToken;
++ (id)sessionForUnitTestingWithPermissions:(NSArray*)permissions mode:(FBTestSessionMode)mode sessionUniqueUserTag:(NSString*)sessionUniqueUserTag;
+
+@end
+
+#pragma mark -
+
+@implementation FBTestSession
+
+@synthesize appAccessToken = _appAccessToken;
+@synthesize testUserID = _testUserID;
+@synthesize testAppID = _testAppID;
+@synthesize testAppSecret = _testAppSecret;
+@synthesize mode = _mode;
+@synthesize machineUniqueUserTag = _machineUniqueUserKey;
+@synthesize sessionUniqueUserTag = _sessionUniqueUserTag;
+
+#pragma mark Lifecycle
+
+- (id)initWithAppID:(NSString*)appID 
+          appSecret:(NSString*)appSecret
+machineUniqueUserTag:(NSString*)machineUniqueUserTag
+sessionUniqueUserTag:(NSString*)sessionUniqueUserTag
+               mode:(FBTestSessionMode)mode
+        permissions:(NSArray*)permissions 
+tokenCachingStrategy:(FBSessionTokenCachingStrategy*)tokenCachingStrategy
+{
+    if (self = [super initWithAppID:appID
+                        permissions:permissions
+                    urlSchemeSuffix:nil
+                 tokenCacheStrategy:tokenCachingStrategy]) {
+        self.testAppID = appID;
+        self.testAppSecret = appSecret;
+        self.machineUniqueUserTag = machineUniqueUserTag;
+        self.sessionUniqueUserTag = sessionUniqueUserTag;
+        self.appAccessToken = [NSString stringWithFormat:@"%@|%@", appID, appSecret];
+        self.mode = mode;
+    }
+    
+    return self;
+}
+
+- (void)dealloc 
+{
+    [_appAccessToken release];
+    [_testUserID release];
+    [_testAppID release];
+    [_testAppSecret release];
+    [_machineUniqueUserKey release];
+    [_sessionUniqueUserTag release];
+    
+    [super dealloc];
+}
+
+#pragma mark -
+#pragma mark Private methods
+
+- (NSString*)permissionsString {
+    NSArray *permissions = self.accessTokenData.permissions ?: self.initializedPermissions;
+    return [permissions componentsJoinedByString:@","];
+}
+
+- (void)createNewTestUser
+{
+    NSMutableDictionary *parameters = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                       @"true", @"installed",
+                                       [self permissionsString], @"permissions",
+                                       @"post", @"method",
+                                       self.appAccessToken, @"access_token",
+                                       nil];
+                                       
+    // We don't get the user name back on create, so if we want it later, remember it now.
+    NSString *newName = nil;
+    if (self.mode == FBTestSessionModeShared) {
+        // Rename the user with a hashed representation of our permissions, so we can find it
+        // again later.
+        newName = [NSString stringWithFormat:@"Shared %@ Testuser", self.sharedTestUserIdentifier];
+        [parameters setObject:newName forKey:@"name"];
+    }
+    
+    // fetch a test user and token
+    // note, this fetch uses a manually constructed app token using the appid|appsecret approach,
+    // if there is demand for support for apps for which this will not work, we may consider handling 
+    // failure by falling back and fetching an app-token via a request; the current approach reduces 
+    // traffic for common unit testing configuration, which seems like the right tradeoff to start with
+    FBRequest *request = [[[FBRequest alloc] initWithSession:nil
+                                                   graphPath:[NSString stringWithFormat:FBLoginAuthTestUserCreatePathFormat, self.appID]
+                                                  parameters:parameters
+                                                  HTTPMethod:nil]
+                          autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+         id userToken;
+         id userID;
+         if (!error &&
+             [result isKindOfClass:[NSDictionary class]] &&
+             (userToken = [result objectForKey:FBLoginTestUserAccessToken]) &&
+             [userToken isKindOfClass:[NSString class]] &&
+             (userID = [result objectForKey:FBLoginTestUserID]) &&
+             [userID isKindOfClass:[NSString class]]) {
+             // capture the id for future use
+             self.testUserID = userID;
+
+             // Remember this user if it is going to be shared.
+             if (self.mode == FBTestSessionModeShared) {
+                 NSDictionary *user = [NSDictionary dictionaryWithObjectsAndKeys:
+                                       userID, FBLoginTestUserID,
+                                       userToken, FBLoginTestUserAccessToken,
+                                       newName, FBLoginTestUserName, 
+                                       nil];
+
+                 pthread_mutex_lock(&mutex);
+                 
+                 [testUsers setObject:user forKey:userID];
+                 
+                 pthread_mutex_unlock(&mutex);
+             }                 
+             
+             [self transitionToOpenWithToken:userToken];
+         } else {
+             if (error) {
+                 NSLog(@"Error: [FBSession createNewTestUserAndRename:] failed with error: %@", error.description);
+             } else {
+                 // we fetched something unexpected when requesting an app token
+                 error = [self errorLoginFailedWithReason:FBErrorLoginFailedReasonUnitTestResponseUnrecognized
+                                                errorCode:nil
+                                               innerError:nil];
+             }
+             // state transition, and call the handler if there is one
+             [self transitionAndCallHandlerWithState:FBSessionStateClosedLoginFailed
+                                               error:error
+                                           tokenData:nil
+                                         shouldCache:NO];
+         }
+     }];
+}
+
+- (void)transitionToOpenWithToken:(NSString*)token 
+{
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:token
+                                                                permissions:nil
+                                                             expirationDate:[NSDate distantFuture]
+                                                                  loginType:FBSessionLoginTypeTestUser
+                                                                refreshDate:[NSDate date]];
+    [self transitionAndCallHandlerWithState:FBSessionStateOpen
+                                      error:nil
+                                  tokenData:tokenData
+                                shouldCache:NO];
+}
+
+// We raise exceptions when things go wrong here, because this is intended for use only
+// in unit tests and we want things to stop as soon as something bad happens.
+- (void)raiseException:(NSError*)innerError
+{
+    NSDictionary *userInfo = nil;
+    if (innerError) {
+        userInfo = [NSDictionary dictionaryWithObjectsAndKeys:
+                        innerError, FBErrorInnerErrorKey,
+                        nil];
+    }
+    
+    [[NSException exceptionWithName:FBInvalidOperationException
+                             reason:@"FBTestSession encountered an error"
+                           userInfo:userInfo]
+     raise];
+
+}
+
+- (void)populateTestUsers:(NSArray*)users testAccounts:(NSArray*)testAccounts
+{
+    pthread_mutex_lock(&mutex);
+    
+    // Map user IDs to test_accounts
+    for (NSDictionary *testAccount in testAccounts) {
+        id uid = [[testAccount objectForKey:FBLoginTestUserID] stringValue];
+        [testUsers setObject:[NSMutableDictionary dictionaryWithDictionary:testAccount]
+                      forKey:uid];
+    }
+    
+    // Add the user name to the test_account data.
+    for (NSDictionary *user in users) {
+        id uid = [[user objectForKey:@"uid"] stringValue];
+        NSMutableDictionary *testUser = [testUsers objectForKey:uid];
+        [testUser setObject:[user objectForKey:FBLoginTestUserName] forKey:FBLoginTestUserName];
+    }
+    
+    pthread_mutex_unlock(&mutex);
+}
+
+- (void)retrieveTestUsersForApp
+{
+    // We need three pieces of data: id, access_token, and name (which we use to
+    // encode permissions). We get access_token from the test_account FQL table and
+    // name from the user table; they share an id. Use FQL multiquery to get it all
+    // in one go.
+    NSString *testAccountQuery = [NSString stringWithFormat:
+        @"SELECT id,access_token FROM test_account WHERE app_id = %@",
+        self.testAppID];
+    NSString *userQuery = @"SELECT uid,name FROM user WHERE uid IN (SELECT id FROM #test_accounts)";
+    NSDictionary *multiquery = [NSDictionary dictionaryWithObjectsAndKeys:
+                                testAccountQuery, @"test_accounts",
+                                userQuery, @"users",
+                                nil];
+    
+    NSString *jsonMultiquery = [FBUtility simpleJSONEncode:multiquery];
+    
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                jsonMultiquery, @"q",
+                                self.appAccessToken, @"access_token",
+                                nil];
+    FBRequest *request = [[[FBRequest alloc] initWithSession:nil
+                                                  graphPath:@"fql"
+                                                 parameters:parameters
+                                                 HTTPMethod:nil]
+                         autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+         if (error ||
+             !result) {
+             [self raiseException:error];
+         }
+         id data = [result objectForKey:@"data"];
+         if (![data isKindOfClass:[NSArray class]] ||
+             [data count] != 2) {
+             [self raiseException:nil];
+         }
+         
+         // We get back two sets of results. The first is from the test_accounts
+         // query, the second from the users query.
+         id testAccounts = [[data objectAtIndex:0] objectForKey:@"fql_result_set"];
+         id users = [[data objectAtIndex:1] objectForKey:@"fql_result_set"];
+         if (![testAccounts isKindOfClass:[NSArray class]] ||
+             ![users isKindOfClass:[NSArray class]]) {
+             [self raiseException:nil];
+         }
+
+         // Use both sets of results to populate our static array of accounts.
+         [self populateTestUsers:users testAccounts:testAccounts];
+                  
+         // Now that we've populated all test users, we can continue looking for 
+         // the matching user, which started this all off.
+         [self findOrCreateSharedUser];
+     }];
+
+}
+
+// Given a long string, generate its hash value, and then convert that to a string that
+// we can use as part of a Facebook test user name (i.e., no digits).
+- (NSString*)validNameStringFromInteger:(NSUInteger)input 
+{
+    NSString *hashAsString = [NSString stringWithFormat:@"%lu", (unsigned long)input];
+    NSMutableString *result = [NSMutableString stringWithString:@"Perm"];
+    
+    // We know each character is a digit. Convert it into a letter starting with 'a'.
+    for (int i = 0; i < hashAsString.length; ++i) {
+        NSString *ch = [NSString stringWithFormat:@"%C",
+                        (unsigned short)([hashAsString characterAtIndex:i] + 'a' - '0')];
+        [result appendString:ch];
+    }
+    
+    return result;
+}
+
+- (NSString*)sharedTestUserIdentifier
+{
+    NSUInteger permissionsHash = self.permissionsString.hash;
+    NSUInteger machineTagHash = self.machineUniqueUserTag.hash;
+    NSUInteger sessionTagHash = self.sessionUniqueUserTag.hash;
+    
+    NSUInteger combinedHash = permissionsHash ^ machineTagHash ^ sessionTagHash;
+    return [self validNameStringFromInteger:combinedHash];
+}
+
+- (void)findOrCreateSharedUser
+{
+    pthread_mutex_lock(&mutex);
+    
+    NSString *userIdentifier = self.sharedTestUserIdentifier;
+
+    id matchingTestUser = nil;
+    for (id testUser in [testUsers allValues]) {
+        NSString *userName = [testUser objectForKey:FBLoginTestUserName];
+        // Does this user have the right permissions and is it not in use?
+        if ([userName rangeOfString:userIdentifier].length > 0) {
+            matchingTestUser = testUser;
+            break;
+        }
+    }
+
+    pthread_mutex_unlock(&mutex);
+    
+    if (matchingTestUser) {
+        // We can use this user. IDs come back as numbers, make sure we return as a string.
+        self.testUserID = [[matchingTestUser objectForKey:FBLoginTestUserID] description];
+
+        [self transitionToOpenWithToken:[matchingTestUser objectForKey:FBLoginTestUserAccessToken]];
+    } else {
+        // Need to create a user. Do so, and rename it using our hashed permissions string.
+        [self createNewTestUser];
+    }
+}
+
+- (void)setForceAccessTokenRefresh:(BOOL)forceAccessTokenRefresh {
+    _forceAccessTokenRefresh = forceAccessTokenRefresh;
+}
+
+- (BOOL)forceAccessTokenRefresh {
+    return _forceAccessTokenRefresh;
+}
+
+#pragma mark -
+#pragma mark Overrides
+
+- (BOOL)transitionToState:(FBSessionState)state
+      withAccessTokenData:(FBAccessTokenData *)tokenData
+              shouldCache:(BOOL)shouldCache {
+    // in case we need these after the transition
+    NSString *userID = self.testUserID;
+
+    BOOL didTransition = [super transitionToState:state
+                              withAccessTokenData:tokenData
+                                      shouldCache:shouldCache];
+
+    if (didTransition && FB_ISSESSIONSTATETERMINAL(self.state)) {
+        if (self.mode == FBTestSessionModePrivate) {
+            [FBTestSession deleteUnitTestUser:userID accessToken:self.appAccessToken]; 
+        }
+    }
+    
+    return didTransition;
+}
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                        behavior:(FBSessionLoginBehavior)behavior
+                 defaultAudience:(FBSessionDefaultAudience)audience
+                   isReauthorize:(BOOL)isReauthorize {
+    
+    if (isReauthorize) {
+        // For the test session, since we don't present UI,
+        // we'll just complete the re-auth. Note this obviously means
+        // no new permissions are requested.
+        [super handleReauthorize:nil
+                     accessToken:(self.disableReauthorize) ? nil : self.accessTokenData.accessToken];
+    } else {
+        // We ignore behavior, since we aren't going to present UI.
+
+        if (self.mode == FBTestSessionModePrivate) {
+            // If we aren't wanting a shared user, just create a user. Don't waste time renaming it since 
+            // we will be deleting it when done.
+            [self createNewTestUser];
+        } else {
+            // We need to see if there are any test users that fit the bill.
+            
+            // Did we already get the test users?
+            pthread_mutex_lock(&mutex);
+            if (testUsers) {
+                pthread_mutex_unlock(&mutex);
+
+                // Yes, look for one that we can use.
+                [self findOrCreateSharedUser];
+            } else {
+                // No, populate the list and then continue.
+                // We never release testUsers. We should only populate it once.
+                testUsers = [[NSMutableDictionary alloc] init];
+
+                pthread_mutex_unlock(&mutex);
+                
+                [self retrieveTestUsersForApp];
+            }
+        }
+    }
+}
+
+- (BOOL)shouldExtendAccessToken {
+    // Note: we reset the flag each time we are queried. Tests should set it as needed for more complicated logic.
+    BOOL extend = self.forceAccessTokenRefresh || [super shouldExtendAccessToken];
+    self.forceAccessTokenRefresh = NO;
+    return extend;
+}
+
+#pragma mark -
+#pragma mark Class methods
+
++ (id)sessionWithSharedUserWithPermissions:(NSArray*)permissions 
+                             uniqueUserTag:(NSString*)uniqueUserTag
+{
+    return [self sessionForUnitTestingWithPermissions:permissions 
+                                                 mode:FBTestSessionModeShared 
+                                 sessionUniqueUserTag:uniqueUserTag];
+    
+}
+
++ (id)sessionWithSharedUserWithPermissions:(NSArray*)permissions 
+{
+    return [self sessionWithSharedUserWithPermissions:permissions uniqueUserTag:nil];
+}
+
++ (id)sessionWithPrivateUserWithPermissions:(NSArray*)permissions
+{
+    return [self sessionForUnitTestingWithPermissions:permissions 
+                                                 mode:FBTestSessionModePrivate
+                                 sessionUniqueUserTag:nil];
+}
+
++ (id)sessionForUnitTestingWithPermissions:(NSArray*)permissions 
+                                      mode:(FBTestSessionMode)mode 
+                      sessionUniqueUserTag:(NSString*)sessionUniqueUserTag
+{
+    NSDictionary *environment = [[NSProcessInfo processInfo] environment];
+    NSString *appID = [environment objectForKey:FBPLISTTestAppIDKey];
+    NSString *appSecret = [environment objectForKey:FBPLISTTestAppSecretKey];
+    if (!appID || !appSecret || appID.length == 0 || appSecret.length == 0) {
+        [[NSException exceptionWithName:FBInvalidOperationException
+                                 reason:
+          @"FBTestSession: Missing App ID or Secret; ensure that you have an .xcconfig file at:\n"
+          @"\t${REPO_ROOT}/src/tests/TestAppIdAndSecret.xcconfig\n"
+          @"containing your unit-testing Facebook Application's ID and Secret in this format:\n"
+          @"\tIOS_SDK_TEST_APP_ID = // your app ID, e.g.: 1234567890\n"
+          @"\tIOS_SDK_TEST_APP_SECRET = // your app secret, e.g.: 1234567890abcdef\n"
+          @"To create a Facebook AppID, visit https://developers.facebook.com/apps"
+                               userInfo:nil]
+         raise];
+    }
+
+    // This is non-fatal if it's missing.
+    NSString *machineUniqueUserTag = [environment objectForKey:FBPLISTUniqueUserTagKey];
+    
+    FBSessionManualTokenCachingStrategy *tokenCachingStrategy = 
+    [[FBSessionManualTokenCachingStrategy alloc] init];
+
+    if (!permissions.count) {
+        permissions = [NSArray arrayWithObjects:@"email", @"publish_actions", nil];
+    }
+
+    // call our internal designated initializer to create a unit-testing instance
+    FBTestSession *session = [[[FBTestSession alloc] 
+                               initWithAppID:appID 
+                                   appSecret:appSecret 
+                        machineUniqueUserTag:machineUniqueUserTag
+                        sessionUniqueUserTag:sessionUniqueUserTag
+                                        mode:mode
+                                 permissions:permissions 
+                        tokenCachingStrategy:tokenCachingStrategy]
+            autorelease];
+
+    [tokenCachingStrategy release];
+
+    return session;
+}
+
++ (void)deleteUnitTestUser:(NSString*)userID 
+               accessToken:(NSString*)accessToken 
+{
+    if (userID && accessToken) {
+        // use FBRequest/FBRequestConnection to create an NSURLRequest
+        FBRequest *temp = [[FBRequest alloc ] initWithSession:nil
+                                                    graphPath:userID
+                                                   parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                               @"delete", @"method",
+                                                               accessToken, @"access_token",
+                                                               nil]
+                                                   HTTPMethod:nil];
+        FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+        [connection addRequest:temp completionHandler:nil];
+        NSURLRequest *request = connection.urlRequest;
+        [temp release];
+        [connection release];
+        
+        // synchronously delete the user
+        NSURLResponse *response;
+        NSError *error = nil;
+        NSData *data;
+        data = [NSURLConnection sendSynchronousRequest:request 
+                                     returningResponse:&response
+                                                 error:&error];
+        // if !data or if data == false, log
+        NSString *body = !data ? nil : [[[NSString alloc] initWithData:data
+                                                              encoding:NSUTF8StringEncoding]
+                                        autorelease];
+        if (!data || [body isEqualToString:@"false"]) {
+            NSLog(@"FBSession !delete test user with id:%@ error:%@", userID, error ? error : body);
+        }         
+    }
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBURLConnection.h b/Vendor/facebook-ios-sdk/src/FBURLConnection.h
new file mode 100644
index 0000000..a1fc837
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBURLConnection.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <Foundation/Foundation.h>
+
+@class FBURLConnection;
+typedef void (^FBURLConnectionHandler)(FBURLConnection *connection,
+                                       NSError *error,
+                                       NSURLResponse *response,
+                                       NSData *responseData);
+
+@interface FBURLConnection : NSObject
+
+- (FBURLConnection *)initWithURL:(NSURL *)url
+               completionHandler:(FBURLConnectionHandler)handler;
+
+- (FBURLConnection *)initWithRequest:(NSURLRequest *)request
+               skipRoundTripIfCached:(BOOL)skipRoundtripIfCached
+                   completionHandler:(FBURLConnectionHandler)handler;
+
+- (void)cancel;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBURLConnection.m b/Vendor/facebook-ios-sdk/src/FBURLConnection.m
new file mode 100644
index 0000000..b628c14
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBURLConnection.m
@@ -0,0 +1,292 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBURLConnection.h"
+#import "FBError.h"
+#import "FBDataDiskCache.h"
+#import "FBSession.h"
+#import "FBLogger.h"
+#import "FBUtility.h"
+#import "FBSettings.h"
+#import "FBSettings+Internal.h"
+
+static NSArray* _cdnHosts;
+
+@interface FBURLConnection ()
+
+@property (nonatomic, retain) NSURLConnection *connection;
+@property (nonatomic, retain) NSMutableData *data;
+@property (nonatomic, copy) FBURLConnectionHandler handler;
+@property (nonatomic, retain) NSURLResponse *response;
+@property (nonatomic) unsigned long requestStartTime;
+@property (nonatomic, readonly) NSUInteger loggerSerialNumber;
+@property (nonatomic) BOOL skipRoundtripIfCached;
+
+- (BOOL)isCDNURL:(NSURL *)url;
+
+- (void)invokeHandler:(FBURLConnectionHandler)handler
+                error:(NSError *)error
+             response:(NSURLResponse *)response
+         responseData:(NSData *)responseData;
+
+@end
+
+@implementation FBURLConnection
+
+@synthesize connection = _connection;
+@synthesize data = _data;
+@synthesize handler = _handler;
+@synthesize loggerSerialNumber = _loggerSerialNumber;
+@synthesize requestStartTime = _requestStartTime;
+@synthesize response = _response;
+@synthesize skipRoundtripIfCached = _skipRoundtripIfCached;
+
+#pragma mark - Lifecycle
+
++ (void)initialize {
+    if (_cdnHosts == nil) {
+        _cdnHosts = [[NSArray arrayWithObjects:
+            @"akamaihd.net", 
+            @"fbcdn.net", 
+            nil] retain];
+    }
+}
+
+- (FBURLConnection *)initWithURL:(NSURL *)url
+               completionHandler:(FBURLConnectionHandler)handler {
+    NSURLRequest *request = [[[NSURLRequest alloc] initWithURL:url] autorelease];
+    
+    return [self initWithRequest:request
+           skipRoundTripIfCached:YES
+               completionHandler:handler];
+}
+
+- (FBURLConnection *)initWithRequest:(NSURLRequest *)request
+               skipRoundTripIfCached:(BOOL)skipRoundtripIfCached
+                   completionHandler:(FBURLConnectionHandler)handler {
+    if (self = [super init]) {
+        self.skipRoundtripIfCached = skipRoundtripIfCached;
+        
+        // Check if this url is cached
+        NSURL* url = request.URL;
+        FBDataDiskCache *cache = [self getCache];
+        NSData* cachedData = skipRoundtripIfCached ? [cache dataForURL:url] : nil;
+        
+        if (cachedData) {
+            // TODO: It seems wrong to call this within init.  There are cases
+            // with UI where this is not ideal.  We should talk about this.
+            [self logAndInvokeHandler:handler cachedData:cachedData forURL:url];
+        } else {    
+        
+            _requestStartTime = [FBUtility currentTimeInMilliseconds];
+            _loggerSerialNumber = [FBLogger newSerialNumber];
+            _connection = [[NSURLConnection alloc] 
+                initWithRequest:request 
+                delegate:self];
+            _data = [[NSMutableData alloc] init];
+
+            [self logMessage:[NSString stringWithFormat:@"FBURLConnection <#%lu>:\n  URL: '%@'\n\n",
+                (unsigned long)self.loggerSerialNumber,
+                url.absoluteString]];
+            
+            self.handler = handler;
+        }
+
+        // always attempt to autoPublish.  this function internally
+        // handles only executing once.
+        [FBSettings autoPublishInstall:nil];
+    }
+    return self;
+}
+
+- (void)logAndInvokeHandler:(FBURLConnectionHandler)handler
+                      error:(NSError *)error {
+    if (error) {
+        NSString *logEntry = [NSString
+                    stringWithFormat:@"FBURLConnection <#%lu>:\n  Error: '%@'\n%@\n",
+                    (unsigned long)self.loggerSerialNumber,
+                    [error localizedDescription],
+                    [error userInfo]];
+        
+        [self logMessage:logEntry];
+    }
+    
+    [self invokeHandler:handler error:error response:nil responseData:nil];
+}
+
+- (void)logAndInvokeHandler:(FBURLConnectionHandler)handler
+                   response:(NSURLResponse *)response
+               responseData:(NSData *)responseData {
+    // Basic FBURLConnection logging just prints out the URL.  FBRequest logging provides more details.
+    NSString *mimeType = [response MIMEType];
+    NSMutableString *mutableLogEntry = [NSMutableString stringWithFormat:@"FBURLConnection <#%lu>:\n  Duration: %lu msec\nResponse Size: %lu kB\n  MIME type: %@\n",
+                                        (unsigned long)self.loggerSerialNumber,
+                                        [FBUtility currentTimeInMilliseconds] - self.requestStartTime,
+                                        (unsigned long)[responseData length] / 1024,
+                                        mimeType];
+    
+    if ([mimeType isEqualToString:@"text/javascript"]) {
+        NSString *responseUTF8 = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];
+        [mutableLogEntry appendFormat:@"  Response:\n%@\n\n", responseUTF8];
+        [responseUTF8 release];
+    }
+    
+    [self logMessage:mutableLogEntry];
+
+    [self invokeHandler:handler error:nil response:response responseData:responseData];
+}
+
+- (void)logAndInvokeHandler:(FBURLConnectionHandler)handler
+                 cachedData:(NSData *)cachedData
+                     forURL:(NSURL *)url {
+    [self logMessage:[NSString stringWithFormat:@"FBUrlConnection: <#%lu>.  Cached response %lu kB\n",
+                      (unsigned long)self.loggerSerialNumber,
+                      (unsigned long)cachedData.length / 1024]];
+
+    [self invokeHandler:handler error:nil response:nil responseData:cachedData];
+}
+
+- (void)invokeHandler:(FBURLConnectionHandler)handler
+                error:(NSError *)error
+             response:(NSURLResponse *)response
+         responseData:(NSData *)responseData {
+    if (handler != nil) {
+        handler(self, error, response, responseData);
+    }
+}
+
+- (void)logMessage:(NSString *)message {
+    [FBLogger singleShotLogEntry:FBLoggingBehaviorFBURLConnections formatString:@"%@", message];
+}
+
+- (void)dealloc {
+    [_response release];
+    [_connection release];
+    [_data release];
+    [_handler release];
+    [super dealloc];
+}
+
+- (void)cancel {
+    [self.connection cancel];
+    if (self.handler == nil) {
+        return;
+    }
+
+    NSError *error = [[NSError alloc] initWithDomain:FacebookSDKDomain
+                                                code:FBErrorOperationCancelled
+                                            userInfo:nil];
+
+    // We are retaining ourselves (and releasing explicitly) because unlike the
+    // other cases where we call the handler, we are not being held by anyone
+    // else.
+    [self retain];
+    FBURLConnectionHandler handler = [self.handler retain];
+    self.handler = nil;
+    @try {
+        [self logAndInvokeHandler:handler error:error];
+    } @finally {
+        [handler release];
+        [self release];
+        [error release];
+    }
+}
+
+- (void)connection:(NSURLConnection *)connection
+didReceiveResponse:(NSURLResponse *)response {
+    self.response = response;
+    [self.data setLength:0];
+}
+
+- (void)connection:(NSURLResponse *)connection
+    didReceiveData:(NSData *)data {
+    [self.data appendData:data];
+}
+
+- (void)connection:(NSURLConnection *)connection
+  didFailWithError:(NSError *)error {
+    @try {
+        [self logAndInvokeHandler:self.handler error:error];
+    } @finally {
+        self.handler = nil;
+    }
+}
+
+- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
+    NSURL* dataURL = self.response.URL;
+    if ([self isCDNURL:dataURL]) {
+        // Cache this data
+        FBDataDiskCache *cache = [self getCache];
+        [cache setData:self.data forURL:dataURL];
+    }
+
+    @try {
+        [self logAndInvokeHandler:self.handler response:self.response responseData:self.data];
+    } @finally {
+        self.handler = nil;
+    }
+}
+
+-(NSURLRequest *)connection:(NSURLConnection *)connection
+            willSendRequest:(NSURLRequest *)request
+           redirectResponse:(NSURLResponse *)redirectResponse {
+    if ([self shouldShortCircuitRedirectResponse:redirectResponse]) {
+        NSURL* redirectURL = request.URL;
+        
+        // Check for cache and short-circuit
+        FBDataDiskCache *cache = [self getCache];
+        NSData* cachedData = [cache dataForURL:redirectURL];
+        if (cachedData) {
+            @try {
+                // Fake a response
+                NSURLResponse* cacheResponse = 
+                    [[NSURLResponse alloc] initWithURL:redirectURL
+                        MIMEType:@"application/octet-stream" 
+                        expectedContentLength:cachedData.length 
+                        textEncodingName:@"utf8"];
+                [self logAndInvokeHandler:self.handler response:cacheResponse responseData:cachedData];
+                [cacheResponse release];
+            } @finally {
+                self.handler = nil;
+            }
+
+            return nil;
+        }
+    }
+    
+    return request;
+}
+
+- (BOOL)shouldShortCircuitRedirectResponse:(NSURLResponse *)redirectResponse {
+    return redirectResponse && self.skipRoundtripIfCached;
+}
+
+- (BOOL)isCDNURL:(NSURL *)url {
+    NSString* urlHost = url.host;
+    for (NSString* host in _cdnHosts) {
+        if ([urlHost hasSuffix:host]) {
+            return YES;
+        }
+    }
+
+    return NO;
+}
+
+- (FBDataDiskCache *)getCache {
+    return [FBDataDiskCache sharedCache];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.h b/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.h
new file mode 100644
index 0000000..a15f12a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+#import "FBSession.h"
+#import "FBViewController.h"
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBUserSettingsDelegate` protocol defines the methods called by a <FBUserSettingsViewController>.
+ */
+@protocol FBUserSettingsDelegate <FBViewControllerDelegate>
+
+@optional
+
+/*!
+ @abstract
+ Called when the view controller will log the user out in response to a button press.
+
+ @param sender          The view controller sending the message.
+ */
+- (void)loginViewControllerWillLogUserOut:(id)sender;
+
+/*!
+ @abstract
+ Called after the view controller logged the user out in response to a button press.
+
+ @param sender          The view controller sending the message.
+ */
+- (void)loginViewControllerDidLogUserOut:(id)sender;
+
+/*!
+ @abstract
+ Called when the view controller will log the user in in response to a button press.
+ Note that logging in can fail for a number of reasons, so there is no guarantee that this
+ will be followed by a call to loginViewControllerDidLogUserIn:. Callers wanting more granular
+ notification of the session state changes can use KVO or the NSNotificationCenter to observe them.
+
+ @param sender          The view controller sending the message.
+ */
+- (void)loginViewControllerWillAttemptToLogUserIn:(id)sender;
+
+/*!
+ @abstract
+ Called after the view controller successfully logged the user in in response to a button press.
+
+ @param sender          The view controller sending the message.
+ */
+- (void)loginViewControllerDidLogUserIn:(id)sender;
+
+/*!
+ @abstract
+ Called if the view controller encounters an error while trying to log a user in.
+
+ @param sender          The view controller sending the message.
+ @param error           The error encountered.
+ @discussion See https://developers.facebook.com/docs/technical-guides/iossdk/errors/
+ for error handling best practices.
+ */
+- (void)loginViewController:(id)sender receivedError:(NSError *)error;
+
+@end
+
+
+/*!
+ @class FBUserSettingsViewController
+ 
+ @abstract
+ The `FBUserSettingsViewController` class provides a user interface exposing a user's
+ Facebook-related settings. Currently, this is limited to whether they are logged in or out
+ of Facebook.
+
+ Because of the size of some graphics used in this view, its resources are packaged as a separate
+ bundle. In order to use `FBUserSettingsViewController`, drag the `FBUserSettingsViewResources.bundle`
+ from the SDK directory into your Xcode project.
+ */
+@interface FBUserSettingsViewController : FBViewController
+
+/*!
+ @abstract
+ The permissions to request if the user logs in via this view.
+ */
+@property (nonatomic, copy) NSArray *permissions __attribute__((deprecated));
+
+/*!
+ @abstract
+ The read permissions to request if the user logs in via this view.
+ 
+ @discussion
+ Note, that if read permissions are specified, then publish permissions should not be specified. 
+ */
+@property (nonatomic, copy) NSArray *readPermissions;
+
+/*!
+ @abstract
+ The publish permissions to request if the user logs in via this view.
+ 
+ @discussion
+ Note, that a defaultAudience value of FBSessionDefaultAudienceOnlyMe, FBSessionDefaultAudienceEveryone, or
+ FBSessionDefaultAudienceFriends should be set if publish permissions are specified. Additionally, when publish
+ permissions are specified, then read should not be specified.
+ */
+@property (nonatomic, copy) NSArray *publishPermissions;
+
+/*!
+ @abstract
+ The default audience to use, if publish permissions are requested at login time.
+ */
+@property (nonatomic, assign) FBSessionDefaultAudience defaultAudience;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.m b/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.m
new file mode 100644
index 0000000..6f897fb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBUserSettingsViewController.m
@@ -0,0 +1,436 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBUserSettingsViewController.h"
+#import "FBProfilePictureView.h"
+#import "FBGraphUser.h"
+#import "FBSession.h"
+#import "FBSession+Internal.h"
+#import "FBRequest.h"
+#import "FBViewController+Internal.h"
+#import "FBUtility.h"
+#import "FBAppEvents+Internal.h"
+
+@interface FBUserSettingsViewController ()
+
+@property (nonatomic, retain) FBProfilePictureView *profilePicture;
+@property (nonatomic, retain) UIImageView *backgroundImageView;
+@property (nonatomic, retain) UILabel *connectedStateLabel;
+@property (nonatomic, retain) id<FBGraphUser> me;
+@property (nonatomic, retain) UIButton *loginLogoutButton;
+@property (nonatomic) BOOL attemptingLogin;
+@property (nonatomic, retain) NSBundle *bundle;
+@property (copy, nonatomic) FBSessionStateHandler sessionStateHandler;
+@property (copy, nonatomic) FBRequestHandler requestHandler;
+
+- (void)loginLogoutButtonPressed:(id)sender;
+- (void)sessionStateChanged:(FBSession *)session 
+                      state:(FBSessionState)state
+                      error:(NSError *)error;
+- (void)openSession;
+- (void)updateControls;
+- (void)updateBackgroundImage;
+
+@end
+
+@implementation FBUserSettingsViewController
+
+@synthesize profilePicture = _profilePicture;
+@synthesize connectedStateLabel = _connectedStateLabel;
+@synthesize me = _me;
+@synthesize loginLogoutButton = _loginLogoutButton;
+@synthesize permissions = _permissions;
+@synthesize readPermissions = _readPermissions;
+@synthesize publishPermissions = _publishPermissions;
+@synthesize defaultAudience = _defaultAudience;
+@synthesize attemptingLogin = _attemptingLogin;
+@synthesize backgroundImageView = _backgroundImageView;
+@synthesize bundle = _bundle;
+@synthesize sessionStateHandler = _sessionStateHandler;
+@synthesize requestHandler = _requestHandler;
+
+#pragma mark View controller lifecycle
+
+- (void)initializeBlocks {
+    // Set up our block handlers in a way that supports nil'ing out the weak self reference to
+    // prevent EXC_BAD_ACCESS errors if the session invokes the handler after the FBUserSettingsViewController
+    // has been deallocated. Note the handlers are declared as a `copy` property so that
+    // the block lives on the heap.
+    __block FBUserSettingsViewController *weakSelf = self;
+    self.sessionStateHandler = ^(FBSession *session, FBSessionState status, NSError *error) {
+        if (session == nil) {
+            // The nil sentinel value for session indicates both blocks should no-op thereafter.
+            weakSelf = nil;
+        } else {
+            [weakSelf sessionStateChanged:session state:status error:error];
+        }
+    };
+    self.requestHandler = ^(FBRequestConnection *connection, id result, NSError *error) {
+        if (result) {
+            weakSelf.me = result;
+            [weakSelf updateControls];
+        }
+    };
+}
+
+- (id)init {
+    if (self = [super init]) {
+        [self initializeBlocks];
+    }
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    if (self = [super initWithCoder:aDecoder]){
+        [self initializeBlocks];
+    }
+    return self;
+}
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.cancelButton = nil;
+        self.attemptingLogin = NO;
+
+        NSString *path = [[NSBundle mainBundle] pathForResource:@"FBUserSettingsViewResources"
+                                                         ofType:@"bundle"];
+        self.bundle = [NSBundle bundleWithPath:path];
+        if (self.bundle == nil) {
+            NSLog(@"WARNING: FBUserSettingsViewController could not find FBUserSettingsViewResources.bundle");
+        }
+        [self initializeBlocks];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    // As noted in `initializeBlocks`, if we are being dealloc'ed, we
+    // need to let our handlers know with the sentinel value of nil
+    // to prevent EXC_BAD_ACCESS errors.
+    self.sessionStateHandler(nil, FBSessionStateClosed, nil);
+    [_sessionStateHandler release];
+    [_requestHandler release];
+    
+    [_profilePicture release];
+    [_connectedStateLabel release];
+    [_me release];
+    [_loginLogoutButton release];
+    [_permissions release];
+    [_backgroundImageView release];
+    [_bundle release];    
+    [super dealloc];
+}
+
+#pragma mark View lifecycle
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    // If we are not being presented modally, we don't need a Done button.
+    if (self.presentingViewController == nil) {
+        self.doneButton = nil;
+    }
+    
+    // If you remove the background images from the resource bundle in order to save space,
+    //  this allows the background to still be rendered in Facebook blue.
+    UIColor *facebookBlue = [UIColor colorWithRed:(59.0 / 255.0)
+                                            green:(89.0 / 255.0)
+                                             blue:(152.0 / 255.0)
+                                            alpha:1.0];
+    self.view.backgroundColor = facebookBlue;
+
+    CGRect usableBounds = self.canvasView.bounds;
+
+    self.backgroundImageView = [[[UIImageView alloc] init] autorelease];
+    self.backgroundImageView.frame = usableBounds;
+    self.backgroundImageView.userInteractionEnabled = NO;
+    self.backgroundImageView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    [self.canvasView addSubview:self.backgroundImageView];
+    [self updateBackgroundImage];
+    
+    UIImageView *logo = [[[UIImageView alloc] 
+                         initWithImage:[UIImage imageNamed:@"FBUserSettingsViewResources.bundle/images/facebook-logo.png"]] autorelease];
+    CGPoint center = CGPointMake(CGRectGetMidX(usableBounds), 68);
+    logo.center = center;
+    logo.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
+    [self.canvasView addSubview:logo];
+    
+    // We want the profile picture control and label to be grouped together when autoresized,
+    // so we put them in a subview.
+    UIView *containerView = [[[UIView alloc] init] autorelease];
+    containerView.frame = CGRectMake(0, 
+                                     135,
+                                     usableBounds.size.width,
+                                     110);
+    containerView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
+
+    // Add profile picture control
+    self.profilePicture = [[[FBProfilePictureView alloc] initWithProfileID:nil
+                                                        pictureCropping:FBProfilePictureCroppingSquare]
+                           autorelease];
+    self.profilePicture.frame = CGRectMake(containerView.frame.size.width / 2 - 32, 0, 64, 64);
+    [containerView addSubview:self.profilePicture];
+
+    // Add connected state/name control
+    self.connectedStateLabel = [[[UILabel alloc] init] autorelease];
+    self.connectedStateLabel.frame = CGRectMake(0, 
+                                                self.profilePicture.frame.size.height + 14.0,
+                                                containerView.frame.size.width,
+                                                20);
+    self.connectedStateLabel.backgroundColor = [UIColor clearColor];
+#ifdef __IPHONE_6_0
+    self.connectedStateLabel.textAlignment = NSTextAlignmentCenter;
+#else
+    self.connectedStateLabel.textAlignment = UITextAlignmentCenter;
+#endif
+    self.connectedStateLabel.numberOfLines = 0;
+    self.connectedStateLabel.font = [UIFont boldSystemFontOfSize:16.0];
+    self.connectedStateLabel.shadowColor = [UIColor blackColor];
+    self.connectedStateLabel.shadowOffset = CGSizeMake(0.0, -1.0);
+    [containerView addSubview:self.connectedStateLabel];
+    [self.canvasView addSubview:containerView];
+    
+    // Add the login/logout button
+    self.loginLogoutButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    UIImage *image = [UIImage imageNamed:@"FBUserSettingsViewResources.bundle/images/silver-button-normal.png"];
+    [self.loginLogoutButton setBackgroundImage:image forState:UIControlStateNormal];
+    image = [UIImage imageNamed:@"FBUserSettingsViewResources.bundle/images/silver-button-pressed.png"];
+    [self.loginLogoutButton setBackgroundImage:image forState:UIControlStateHighlighted];
+    self.loginLogoutButton.frame = CGRectMake((int)((usableBounds.size.width - image.size.width) / 2),
+                                              285,
+                                              image.size.width,
+                                              image.size.height);
+    [self.loginLogoutButton addTarget:self
+                               action:@selector(loginLogoutButtonPressed:)
+                     forControlEvents:UIControlEventTouchUpInside];
+    self.loginLogoutButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
+    UIColor *loginTitleColor = [UIColor colorWithRed:75.0 / 255.0
+                                               green:81.0 / 255.0
+                                                blue:100.0 / 255.0
+                                               alpha:1.0];
+    [self.loginLogoutButton setTitleColor:loginTitleColor forState:UIControlStateNormal];
+    self.loginLogoutButton.titleLabel.font = [UIFont boldSystemFontOfSize:18.0];
+
+    UIColor *loginShadowColor = [UIColor colorWithRed:212.0 / 255.0
+                                                green:218.0 / 255.0
+                                                 blue:225.0 / 255.0
+                                                alpha:1.0];
+    [self.loginLogoutButton setTitleShadowColor:loginShadowColor forState:UIControlStateNormal];
+    self.loginLogoutButton.titleLabel.shadowOffset = CGSizeMake(0.0, 1.0);
+    [self.canvasView addSubview:self.loginLogoutButton];
+    
+    // We need to know when the active session changes state.
+    // We use the same handler for both, because we don't actually care about distinguishing between them.
+    [[NSNotificationCenter defaultCenter] addObserver:self 
+                                             selector:@selector(handleActiveSessionStateChanged:) 
+                                                 name:FBSessionDidBecomeOpenActiveSessionNotification
+                                               object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self 
+                                             selector:@selector(handleActiveSessionStateChanged:) 
+                                                 name:FBSessionDidBecomeClosedActiveSessionNotification
+                                               object:nil];
+
+    [self updateControls];
+}
+
+- (void)updateBackgroundImage {
+    NSString *orientation = UIInterfaceOrientationIsPortrait(self.interfaceOrientation) ? @"Portrait" : @"Landscape";
+    NSString *idiom = (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) ? @"IPhone" : @"IPad";
+    NSString *imagePath = [NSString stringWithFormat:@"FBUserSettingsViewResources.bundle/images/loginBackground%@%@.jpg", idiom, orientation];
+    self.backgroundImageView.image = [UIImage imageNamed:imagePath];
+}
+
+- (void)viewDidUnload {
+    [super viewDidUnload];
+
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
+    [self updateBackgroundImage];
+}
+
+- (NSUInteger)supportedInterfaceOrientations {
+    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
+        return UIInterfaceOrientationMaskAll;
+    } else {
+        return UIInterfaceOrientationMaskPortrait;
+    }
+}
+
+- (BOOL)shouldAutorotate {
+    return YES;
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    [FBAppEvents logImplicitEvent:FBAppEventNameUserSettingsUsage
+                       valueToSum:nil
+                       parameters:@{ @"view_will_appear" : [NSNumber numberWithBool:YES] }
+                          session:FBSession.activeSessionIfExists];
+}
+#pragma mark Implementation
+
+- (void)updateControls {
+    if (FBSession.activeSession.isOpen) {
+        NSString *loginLogoutText = [FBUtility localizedStringForKey:@"FBUSVC:LogOut"
+                                                         withDefault:@"Log Out"
+                                                            inBundle:self.bundle];
+        [self.loginLogoutButton setTitle:loginLogoutText forState:UIControlStateNormal];
+        
+        // Label should be white with a shadow
+        self.connectedStateLabel.textColor = [UIColor whiteColor];
+        self.connectedStateLabel.shadowColor = [UIColor blackColor];
+
+        // Move the label back below the profile view and show the profile view
+        self.connectedStateLabel.frame = CGRectMake(0, 
+                                                    self.profilePicture.frame.size.height + 16.0, 
+                                                    self.connectedStateLabel.frame.size.width,
+                                                    20);
+        self.profilePicture.hidden = NO;
+        
+        // Do we know the user's name? If not, request it.
+        if (self.me != nil) {
+            self.connectedStateLabel.text = self.me.name;
+            self.profilePicture.profileID = [self.me objectForKey:@"id"];
+        } else {
+            self.connectedStateLabel.text = [FBUtility localizedStringForKey:@"FBUSVC:LoggedIn"
+                                                                 withDefault:@"Logged in"
+                                                                    inBundle:self.bundle];
+            self.profilePicture.profileID = nil;
+
+            [[FBRequest requestForMe] startWithCompletionHandler:self.requestHandler];
+        }
+    } else {
+        self.me = nil;
+        
+        // Label should be gray and centered in its superview; hide the profile view
+        self.connectedStateLabel.textColor = [UIColor colorWithRed:166.0 / 255.0
+                                                             green:174.0 / 255.0
+                                                              blue:215.0 / 255.0 
+                                                             alpha:1.0];
+        self.connectedStateLabel.shadowColor = nil;
+
+        CGRect parentBounds = self.connectedStateLabel.superview.bounds;
+        self.connectedStateLabel.center = CGPointMake(CGRectGetMidX(parentBounds),
+                                                      CGRectGetMidY(parentBounds));
+        self.profilePicture.hidden = YES;
+        
+        self.connectedStateLabel.text = [FBUtility localizedStringForKey:@"FBUSVC:NotLoggedIn"
+                                                             withDefault:@"Not logged in"
+                                                                inBundle:self.bundle];
+        self.profilePicture.profileID = nil;
+        NSString *loginLogoutText = [FBUtility localizedStringForKey:@"FBUSVC:LogIn"
+                                                         withDefault:@"Log In..."
+                                                            inBundle:self.bundle];
+        [self.loginLogoutButton setTitle:loginLogoutText forState:UIControlStateNormal];
+    }
+}
+
+- (void)sessionStateChanged:(FBSession *)session 
+                      state:(FBSessionState)state
+                      error:(NSError *)error
+{
+    if (error &&
+        [self.delegate respondsToSelector:@selector(loginViewController:receivedError:)]) {
+        [(id)self.delegate loginViewController:self receivedError:error];
+    }
+
+    if (self.attemptingLogin) {
+        if (FB_ISSESSIONOPENWITHSTATE(state)) {
+            self.attemptingLogin = NO;
+
+            if ([self.delegate respondsToSelector:@selector(loginViewControllerDidLogUserIn:)]) {
+                [(id)self.delegate loginViewControllerDidLogUserIn:self];
+            }
+        } else if (FB_ISSESSIONSTATETERMINAL(state)) {
+            self.attemptingLogin = NO;
+        }
+    }
+}
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+- (void)openSession {
+    if ([self.delegate respondsToSelector:@selector(loginViewControllerWillAttemptToLogUserIn:)]) {
+        [(id)self.delegate loginViewControllerWillAttemptToLogUserIn:self];
+    }
+
+    self.attemptingLogin = YES;
+
+    // the policy here is:
+    // 1) if you provide unspecified permissions, then we fall back on legacy fast-app-switch
+    // 2) if you provide only read permissions, then we call a read-based open method that will use integrated auth
+    // 3) if you provide any publish permissions, then we combine the read-set and publish-set and call the publish-based
+    //    method that will use integrated auth when availab le
+    // 4) if you provide any publish permissions, and don't specify a valid audience, the control will throw an exception
+    //    when the user presses login
+    if (self.permissions) {
+        [FBSession openActiveSessionWithPermissions:self.permissions
+                                       allowLoginUI:YES
+                                    defaultAudience:self.defaultAudience
+                                  completionHandler:self.sessionStateHandler];
+    } else if (![self.publishPermissions count]) {
+        [FBSession openActiveSessionWithReadPermissions:self.readPermissions
+                                           allowLoginUI:YES
+                                      completionHandler:self.sessionStateHandler];
+    } else {
+        // combined read and publish permissions will usually fail, but if the app wants us to
+        // try it here, then we will pass the aggregate set to the server
+        NSArray *permissions = self.publishPermissions;
+        if ([self.readPermissions count]) {
+            NSMutableSet *set = [NSMutableSet setWithArray:self.publishPermissions];
+            [set addObjectsFromArray:self.readPermissions];
+            permissions = [set allObjects];
+        }
+        [FBSession openActiveSessionWithPublishPermissions:permissions
+                                           defaultAudience:self.defaultAudience
+                                              allowLoginUI:YES
+                                         completionHandler:self.sessionStateHandler];
+    }
+}
+#pragma GCC diagnostic warning "-Wdeprecated-declarations"
+
+#pragma mark Handlers
+
+- (void)loginLogoutButtonPressed:(id)sender {
+    if (FBSession.activeSession.isOpen) {
+        [FBAppEvents logImplicitEvent:FBAppEventNameUserSettingsUsage
+                           valueToSum:nil
+                           parameters:@{ @"logging_in" : @NO }
+                              session:FBSession.activeSessionIfExists];
+        if ([self.delegate respondsToSelector:@selector(loginViewControllerWillLogUserOut:)]) {
+            [(id)self.delegate loginViewControllerWillLogUserOut:self];
+        }
+
+        [FBSession.activeSession closeAndClearTokenInformation];
+
+        if ([self.delegate respondsToSelector:@selector(loginViewControllerDidLogUserOut:)]) {
+            [(id)self.delegate loginViewControllerDidLogUserOut:self];
+        }
+    } else {
+        [FBAppEvents logImplicitEvent:FBAppEventNameUserSettingsUsage
+                           valueToSum:nil
+                           parameters:@{ @"logging_in" : @YES }
+                              session:FBSession.activeSessionIfExists];
+        [self openSession];
+    }
+}
+
+- (void)handleActiveSessionStateChanged:(NSNotification *)notification {
+    [self updateControls];
+}
+
+@end
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diff --git a/Vendor/facebook-ios-sdk/src/FBUtility.h b/Vendor/facebook-ios-sdk/src/FBUtility.h
new file mode 100644
index 0000000..5f86497
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBUtility.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "FBFetchedAppSettings.h"
+
+@class FBRequest;
+@class FBSession;
+
+@protocol FBGraphObject;
+
+typedef enum FBAdvertisingTrackingStatus {
+    AdvertisingTrackingAllowed,
+    AdvertisingTrackingDisallowed,
+    AdvertisingTrackingUnspecified
+} FBAdvertisingTrackingStatus;
+
+@interface FBUtility : NSObject
+
++ (NSDictionary*)queryParamsDictionaryFromFBURL:(NSURL*)url;
++ (NSDictionary*)dictionaryByParsingURLQueryPart:(NSString *)encodedString;
++ (NSString *)stringBySerializingQueryParameters:(NSDictionary *)queryParameters;
++ (NSString *)stringByURLDecodingString:(NSString*)escapedString;
++ (NSString*)stringByURLEncodingString:(NSString*)unescapedString;
++ (id<FBGraphObject>)graphObjectInArray:(NSArray*)array withSameIDAs:(id<FBGraphObject>)item;
+
++ (unsigned long)currentTimeInMilliseconds;
++ (NSTimeInterval)randomTimeInterval:(NSTimeInterval)minValue withMaxValue:(NSTimeInterval)maxValue;
++ (void)centerView:(UIView*)view tableView:(UITableView*)tableView;
++ (NSString *)stringFBIDFromObject:(id)object;
++ (NSString *)stringAppBaseUrlFromAppId:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix;
++ (NSDate*)expirationDateFromExpirationTimeIntervalString:(NSString*)expirationTime;
++ (NSDate*)expirationDateFromExpirationUnixTimeString:(NSString*)expirationTime;
++ (NSBundle *)facebookSDKBundle;
++ (NSString *)localizedStringForKey:(NSString *)key
+                        withDefault:(NSString *)value;
++ (NSString *)localizedStringForKey:(NSString *)key
+                        withDefault:(NSString *)value
+                           inBundle:(NSBundle *)bundle;
+// Returns YES when the bundle identifier is for one of the native facebook apps
++ (BOOL)isFacebookBundleIdentifier:(NSString *)bundleIdentifier;
+
++ (BOOL)isPublishPermission:(NSString*)permission;
++ (BOOL)areAllPermissionsReadPermissions:(NSArray*)permissions;
++ (NSArray*)addBasicInfoPermission:(NSArray*)permissions;
++ (void)fetchAppSettings:(NSString *)appID
+                callback:(void (^)(FBFetchedAppSettings *, NSError *))callback;
+// Only returns nil if no settings have been fetched; otherwise it returns the last fetched settings.
+// If the settings are stale, an async request will be issued to fetch them.
++ (FBFetchedAppSettings *)fetchedAppSettings;
++ (NSString *)attributionID;
++ (NSString *)advertiserID;
++ (FBAdvertisingTrackingStatus)advertisingTrackingStatus;
++ (void)updateParametersWithEventUsageLimitsAndBundleInfo:(NSMutableDictionary *)parameters;
+
+// Encode a data structure in JSON, any errors will just be logged.
++ (NSString *)simpleJSONEncode:(id)data;
++ (id)simpleJSONDecode:(NSString *)jsonEncoding;
++ (NSString *)simpleJSONEncode:(id)data
+                         error:(NSError **)error
+                writingOptions:(NSJSONWritingOptions)writingOptions;
++ (id)simpleJSONDecode:(NSString *)jsonEncoding
+                 error:(NSError **)error;
++ (BOOL) isRetinaDisplay;
++ (NSString *)newUUIDString;
++ (BOOL)isRegisteredURLScheme:(NSString *)urlScheme;
+
++ (NSString *) buildFacebookUrlWithPre:(NSString*)pre;
++ (NSString *) buildFacebookUrlWithPre:(NSString*)pre
+                              withPost:(NSString *)post;
++ (BOOL)isMultitaskingSupported;
++ (BOOL)isSystemAccountStoreAvailable;
++ (void)deleteFacebookCookies;
++ (NSString *)dialogBaseURL;
+
+@end
+ 
+#define FBConditionalLog(condition, desc, ...) \
+do { \
+    if (!(condition)) {	\
+        NSString *msg = [NSString stringWithFormat:(desc), ##__VA_ARGS__]; \
+        NSLog(@"FBConditionalLog: %@", msg); \
+    } \
+} while(NO)
+ 
+#define FB_BASE_URL @"facebook.com"
diff --git a/Vendor/facebook-ios-sdk/src/FBUtility.m b/Vendor/facebook-ios-sdk/src/FBUtility.m
new file mode 100644
index 0000000..be09d43
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBUtility.m
@@ -0,0 +1,521 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppEvents.h"
+#import "FBUtility.h"
+#import "FBGraphObject.h"
+#import "FBLogger.h"
+#import "FBRequest+Internal.h"
+#import "FBSession.h"
+#import "FBDynamicFrameworkLoader.h"
+#import "FBSettings.h"
+
+#import <AdSupport/AdSupport.h>
+#include <sys/time.h>
+
+static const double APPSETTINGS_STALE_THRESHOLD_SECONDS = 60 * 60; // one hour.
+static FBFetchedAppSettings *g_fetchedAppSettings = nil;
+static NSError *g_fetchedAppSettingsError = nil;
+static NSDate *g_fetchedAppSettingsTimestamp = nil;
+
+@implementation FBUtility
+
++ (NSDictionary*)queryParamsDictionaryFromFBURL:(NSURL*)url {
+    // version 3.2.3 of the Facebook app encodes the parameters in the query but
+    // version 3.3 and above encode the parameters in the fragment;
+    // merge them together with fragment taking priority.
+
+    NSMutableDictionary *result = [NSMutableDictionary dictionary];
+    if ([url query]) {
+        [result addEntriesFromDictionary:[FBUtility dictionaryByParsingURLQueryPart:[url query]]];
+    }
+    if ([url fragment]) {
+        [result addEntriesFromDictionary:[FBUtility dictionaryByParsingURLQueryPart:[url fragment]]];
+    }
+    
+    return result;
+}
+
+// finishes the parsing job that NSURL starts
++ (NSDictionary*)dictionaryByParsingURLQueryPart:(NSString *)encodedString {
+    
+    NSMutableDictionary *result = [NSMutableDictionary dictionary];
+    NSArray *parts = [encodedString componentsSeparatedByString:@"&"];
+    
+    for (NSString *part in parts) {
+        if ([part length] == 0) {
+            continue;
+        }
+        
+        NSRange index = [part rangeOfString:@"="];
+        NSString *key;
+        NSString *value;
+        
+        if (index.location == NSNotFound) {
+            key = part;
+            value = @"";
+        } else {
+            key = [part substringToIndex:index.location];
+            value = [part substringFromIndex:index.location + index.length];
+        }
+        
+        if (key && value) {
+            [result setObject:[FBUtility stringByURLDecodingString:value]
+                       forKey:[FBUtility stringByURLDecodingString:key]];
+        }
+    }
+    return result;
+}
+
++ (NSString *)stringBySerializingQueryParameters:(NSDictionary *)queryParameters {
+    NSMutableString *queryString = [[[NSMutableString alloc] init] autorelease];
+    BOOL hasParameters = NO;
+    if (queryParameters) {
+        for (NSString *key in queryParameters) {
+            if (hasParameters) {
+                [queryString appendString:@"&"];
+            }
+            [queryString appendFormat:@"%@=%@",
+             key,
+             [FBUtility stringByURLEncodingString:queryParameters[key]]];
+            hasParameters = YES;
+        }
+    }
+    
+    return [[queryString copy] autorelease];
+}
+
+// the reverse of url encoding
++ (NSString*)stringByURLDecodingString:(NSString*)escapedString {
+    return [[escapedString stringByReplacingOccurrencesOfString:@"+" withString:@" "]
+            stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+}
+
++ (NSString*)stringByURLEncodingString:(NSString*)unescapedString {
+    NSString* result = (NSString *)CFURLCreateStringByAddingPercentEscapes(
+                                                                           kCFAllocatorDefault,
+                                                                           (CFStringRef)unescapedString,
+                                                                           NULL, // characters to leave unescaped
+                                                                           (CFStringRef)@":!*();@/&?#[]+$,='%’\"",
+                                                                           kCFStringEncodingUTF8);
+    [result autorelease];
+    return result;
+}
+
++ (unsigned long)currentTimeInMilliseconds {
+    struct timeval time;
+    gettimeofday(&time, NULL);
+    return (time.tv_sec * 1000) + (time.tv_usec / 1000);
+}
+
++ (NSTimeInterval)randomTimeInterval:(NSTimeInterval)minValue withMaxValue:(NSTimeInterval)maxValue {
+    return minValue + (maxValue - minValue) * (double)arc4random() / UINT32_MAX;
+}
+
++ (id<FBGraphObject>)graphObjectInArray:(NSArray*)array withSameIDAs:(id<FBGraphObject>)item {
+    for (id<FBGraphObject> obj in array) {
+        if ([FBGraphObject isGraphObjectID:obj sameAs:item]) {
+            return obj;
+        }
+    }
+    return nil;
+}
+
+// The assumption here is that the view and the tableView share a common parent.
++ (void)centerView:(UIView*)view tableView:(UITableView*)tableView {
+    // We want to center the view in the table  as much as possible, but we also want to center it
+    // within a cell so it is visually appealing.
+    CGRect bounds = tableView.bounds;
+    CGPoint center = CGPointMake(CGRectGetMidX(bounds), CGRectGetMidY(bounds));
+    
+    CGFloat rowHeight = tableView.rowHeight;
+    int numRows = bounds.size.height / rowHeight;
+    int centerRow = numRows / 2;
+    center.y = rowHeight * centerRow + rowHeight / 2;
+    
+    center = [view.superview convertPoint:center fromView:tableView];
+    view.center = center;
+}
+
++ (NSString *)stringFBIDFromObject:(id)object {
+    if ([object isKindOfClass:[NSDictionary class]]) {
+        id val = [object objectForKey:@"id"];
+        if ([val isKindOfClass:[NSString class]]) {
+            return val;
+        }
+    }
+    return [object description];
+}
+
++ (NSString *)stringAppBaseUrlFromAppId:(NSString *)appID urlSchemeSuffix:(NSString *)urlSchemeSuffix {
+    return [NSString stringWithFormat:@"fb%@%@://authorize",
+            appID ?: @"",
+            urlSchemeSuffix ?: @""];
+}
+
++ (NSDate*)expirationDateFromExpirationUnixTimeString:(NSString*)expirationTime {
+    NSDate *expirationDate = nil;
+    if (expirationTime != nil) {
+        NSTimeInterval expValue = [expirationTime doubleValue];
+        if (expValue != 0) {
+            expirationDate = [NSDate dateWithTimeIntervalSince1970:expValue];
+        }
+    }
+    return expirationDate;
+}
+
++ (NSDate*)expirationDateFromExpirationTimeIntervalString:(NSString*)expirationTime {
+    NSDate *expirationDate = nil;
+    if (expirationTime != nil) {
+        int expValue = [expirationTime intValue];
+        if (expValue != 0) {
+            expirationDate = [NSDate dateWithTimeIntervalSinceNow:expValue];
+        }
+    }
+    return expirationDate;
+}
+
++ (NSBundle *)facebookSDKBundle {
+    static dispatch_once_t fetchBundleOnce;
+    static NSBundle *bundle = nil;
+    
+    dispatch_once(&fetchBundleOnce, ^{
+        NSString *path = [[NSBundle mainBundle] pathForResource:[FBSettings resourceBundleName]
+                                                         ofType:@"bundle"];
+        bundle = [NSBundle bundleWithPath:path];
+    });
+    return bundle;
+}
+
++ (NSString *)localizedStringForKey:(NSString *)key
+                        withDefault:(NSString *)value {
+    return [self localizedStringForKey:key withDefault:value inBundle:FBUtility.facebookSDKBundle];
+}
+
++ (NSString *)localizedStringForKey:(NSString *)key
+                        withDefault:(NSString *)value
+                           inBundle:(NSBundle *)bundle {
+    NSString *result = value;
+    if (bundle) {
+        result = [bundle localizedStringForKey:key
+                                         value:value
+                                         table:nil];
+    }
+    return result;
+}
+
++ (BOOL)isFacebookBundleIdentifier:(NSString *)bundleIdentifier {
+    return [bundleIdentifier hasPrefix:@"com.facebook."];
+}
+
+#pragma mark - permissions related
+
++ (BOOL)isPublishPermission:(NSString*)permission {
+    return [permission hasPrefix:@"publish"] ||
+    [permission hasPrefix:@"manage"] ||
+    [permission isEqualToString:@"ads_management"] ||
+    [permission isEqualToString:@"create_event"] ||
+    [permission isEqualToString:@"rsvp_event"];
+}
+
++ (BOOL)areAllPermissionsReadPermissions:(NSArray*)permissions {
+    for (NSString *permission in permissions) {
+        if ([self isPublishPermission:permission]) {
+            return NO;
+        }
+    }
+    return YES;
+}
+
++ (NSArray*)addBasicInfoPermission:(NSArray*)permissions {
+    // When specifying read permissions, be sure basic info is included; "email" is used
+    // as a proxy for basic info permission.
+    for (NSString *p in permissions) {
+        if ([p isEqualToString:@"email"]) {
+            // Already requested, don't need to add it again.
+            return permissions;
+        }
+    }
+    
+    NSMutableArray *newPermissions = [NSMutableArray arrayWithArray:permissions];
+    [newPermissions addObject:@"email"];
+    return newPermissions;
+}
+
+// Make a call to the Graph API to get a variety of data for the app, and on completion, invoke the callback with
+// the result.  Cache the result for subsequent invocations.  Expect only to ever be called with one appID.  Results
+// with calling with a second appid are undefined (in reality will just return the previously requested app's results).
+
++ (void)fetchAppSettings:(NSString *)appID
+                callback:(void (^)(FBFetchedAppSettings *, NSError *))callback {
+    if ([FBUtility isFetchedFBAppSettingsStale] || (!g_fetchedAppSettingsError && !g_fetchedAppSettings) ) {
+        
+        NSString *pingPath = [NSString stringWithFormat:@"%@?fields=supports_attribution,supports_implicit_sdk_logging,suppress_native_ios_gdp,name", appID, nil];
+        FBRequest *pingRequest = [[[FBRequest alloc] initWithSession:nil graphPath:pingPath] autorelease];
+        pingRequest.canCloseSessionOnError = NO;
+        if ([pingRequest startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+            [g_fetchedAppSettingsError release];
+            g_fetchedAppSettingsError = nil;
+            
+            if (error) {
+                if (g_fetchedAppSettings) {
+                    // We have older app settings but the refresh received an error.
+                    // Log and ignore the error.
+                    [FBLogger singleShotLogEntry:FBLoggingBehaviorInformational formatString:@"fetchAppSettings refresh failed with %@", error];
+                } else {
+                    // Only set the error if we don't have previously fetched app settings.
+                    // (i.e., if we have app settings and a new call gets an error, we'll
+                    // ignore the error and surface the last successfully fetched settings).
+                    g_fetchedAppSettingsError = error;
+                    [g_fetchedAppSettingsError retain];
+                }
+            } else {
+                if ([result respondsToSelector:@selector(objectForKey:)]) {
+                    [g_fetchedAppSettingsTimestamp release];
+                    [g_fetchedAppSettings release];
+                    
+                    g_fetchedAppSettings = [[FBFetchedAppSettings alloc] initWithAppID:appID];
+                    g_fetchedAppSettingsTimestamp = [[NSDate date] retain];
+                    
+                    g_fetchedAppSettings.serverAppName = [result objectForKey:@"name"];
+                    g_fetchedAppSettings.supportsAttribution = [[result objectForKey:@"supports_attribution"] boolValue];
+                    g_fetchedAppSettings.supportsImplicitSdkLogging = [[result objectForKey:@"supports_implicit_sdk_logging"] boolValue];
+                    g_fetchedAppSettings.suppressNativeGdp = [[result objectForKey:@"suppress_native_ios_gdp"] boolValue];
+                }
+            }
+            [FBUtility callTheFetchAppSettingsCallback:callback];
+        }
+             ]
+            );
+    } else {
+        [FBUtility callTheFetchAppSettingsCallback:callback];
+    }
+}
+
++ (FBFetchedAppSettings *)fetchedAppSettings {
+    if ([FBUtility isFetchedFBAppSettingsStale]) {
+        [FBUtility fetchAppSettings:g_fetchedAppSettings.appID callback:nil];
+    }
+    return g_fetchedAppSettings;
+}
+
++ (BOOL) isFetchedFBAppSettingsStale {
+    return g_fetchedAppSettingsTimestamp && ([[NSDate date] timeIntervalSinceDate:g_fetchedAppSettingsTimestamp] > APPSETTINGS_STALE_THRESHOLD_SECONDS );
+}
+
++ (void)callTheFetchAppSettingsCallback:(void (^)(FBFetchedAppSettings *, NSError *))callback {
+    if (callback) {
+        if (g_fetchedAppSettingsError) {
+            callback(nil, g_fetchedAppSettingsError);
+        } else if (g_fetchedAppSettings) {
+            callback(g_fetchedAppSettings, nil);
+        }
+    }
+}
+
++ (NSString *)attributionID {
+    return [[UIPasteboard pasteboardWithName:@"fb_app_attribution" create:NO] string];
+}
+
++ (NSString *)advertiserID {
+    NSString *advertiserID = nil;
+    Class ASIdentifierManagerClass = [FBDynamicFrameworkLoader loadClass:@"ASIdentifierManager" withFramework:@"AdSupport"];
+    if ([ASIdentifierManagerClass class]) {
+        ASIdentifierManager *manager = [ASIdentifierManagerClass sharedManager];
+        advertiserID = [[manager advertisingIdentifier] UUIDString];
+    }
+    return advertiserID;
+}
+
++ (FBAdvertisingTrackingStatus)advertisingTrackingStatus {
+    FBAdvertisingTrackingStatus status = AdvertisingTrackingUnspecified;
+    Class ASIdentifierManagerClass = [FBDynamicFrameworkLoader loadClass:@"ASIdentifierManager" withFramework:@"AdSupport"];
+    if ([ASIdentifierManagerClass class]) {
+        ASIdentifierManager *manager = [ASIdentifierManagerClass sharedManager];
+        if (manager) {
+            status = [manager isAdvertisingTrackingEnabled] ? AdvertisingTrackingAllowed : AdvertisingTrackingDisallowed;
+        }
+    }
+    return status;
+}
+
++ (void)updateParametersWithEventUsageLimitsAndBundleInfo:(NSMutableDictionary *)parameters {
+  // Only add the iOS global value if we have a definitive allowed/disallowed on advertising tracking.  Otherwise,
+  // absence of this parameter is to be interpreted as 'unspecified'.
+  FBAdvertisingTrackingStatus advertisingTrackingStatus = [FBUtility advertisingTrackingStatus];
+  if (advertisingTrackingStatus != AdvertisingTrackingUnspecified) {
+      BOOL allowed = (advertisingTrackingStatus == AdvertisingTrackingAllowed);
+      [parameters setObject:[[NSNumber numberWithBool:allowed] stringValue]
+                     forKey:@"advertiser_tracking_enabled"];
+  }
+
+  [parameters setObject:[[NSNumber numberWithBool:!FBAppEvents.limitEventUsage] stringValue] forKey:@"application_tracking_enabled"];
+  
+  static dispatch_once_t fetchBundleOnce;
+  static NSString *bundleIdentifier;
+  static NSMutableArray *urlSchemes;
+  static NSString *longVersion;
+  static NSString *shortVersion;
+
+  dispatch_once(&fetchBundleOnce, ^{
+      NSBundle *mainBundle = [NSBundle mainBundle];
+      urlSchemes = [[NSMutableArray alloc] init];
+      for (NSDictionary *fields in [mainBundle objectForInfoDictionaryKey:@"CFBundleURLTypes"]) {
+          NSArray *schemesForType = [fields objectForKey:@"CFBundleURLSchemes"];
+          if (schemesForType) {
+              [urlSchemes addObjectsFromArray:schemesForType];
+          }
+      }
+      bundleIdentifier = mainBundle.bundleIdentifier;
+      longVersion = [mainBundle objectForInfoDictionaryKey:@"CFBundleVersion"];
+      shortVersion = [mainBundle objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
+  });
+
+  if (bundleIdentifier.length > 0) {
+      [parameters setObject:bundleIdentifier forKey:@"bundle_id"];
+  }
+  if (urlSchemes.count > 0) {
+      [parameters setObject:[FBUtility simpleJSONEncode:urlSchemes] forKey:@"url_schemes"];
+  }
+  if (longVersion.length > 0) {
+      [parameters setObject:longVersion forKey:@"bundle_version"];
+  }
+  if (shortVersion.length > 0) {
+      [parameters setObject:shortVersion forKey:@"bundle_short_version"];
+  }
+  
+}
+
++ (NSString *)simpleJSONEncode:(id)data {
+    return [FBUtility simpleJSONEncode:data
+                                 error:nil
+                        writingOptions:0];
+}
+
++ (NSString *)simpleJSONEncode:(id)data
+                         error:(NSError **)error
+                writingOptions:(NSJSONWritingOptions)writingOptions {
+    if (data) {
+        NSData *json = [NSJSONSerialization dataWithJSONObject:data
+                                                       options:writingOptions
+                                                         error:error];
+        return [[[NSString alloc] initWithData:json
+                                      encoding:NSUTF8StringEncoding]
+                autorelease];
+    } else {
+        return nil;
+    }
+}
+
++ (id)simpleJSONDecode:(NSString *)jsonEncoding {
+    return [FBUtility simpleJSONDecode:jsonEncoding error:nil];
+}
+
++ (id)simpleJSONDecode:(NSString *)jsonEncoding
+                 error:(NSError **)error {
+    NSData *data = [jsonEncoding dataUsingEncoding:NSUTF8StringEncoding];
+    
+    if (data) {
+        return [NSJSONSerialization JSONObjectWithData:data options:0 error:error];
+    } else {
+        return nil;
+    }
+}
+
++ (BOOL) isRetinaDisplay {
+    // Check for displayLinkWithTarget:selector: since that is only available on iOS 4.0+
+    // deal with edge case where scale returns 2.0 on a iPad running 3.2 with 2x
+    // (which is not retina).
+    static dispatch_once_t onceToken;
+    static BOOL supportsRetina;
+    
+    dispatch_once(&onceToken, ^{
+        supportsRetina = ([[UIScreen mainScreen] respondsToSelector:@selector(displayLinkWithTarget:selector:)] &&
+                          ([UIScreen mainScreen].scale == 2.0));
+    });
+    return supportsRetina;
+}
+
++ (NSString *)newUUIDString {
+    // Create the unique action Id
+    CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
+    
+    // We will only hold on to the string representation and not the raw bytes
+    NSString *uuidString = (NSString *)CFUUIDCreateString(kCFAllocatorDefault, uuid);
+    
+    // release the UUID
+    CFRelease(uuid);
+    
+    return uuidString;
+}
+
++ (BOOL)isRegisteredURLScheme:(NSString *)urlScheme {
+    static dispatch_once_t fetchBundleOnce;
+    static NSArray *urlTypes = nil;
+    
+    dispatch_once(&fetchBundleOnce, ^{
+        urlTypes = [[[NSBundle mainBundle] infoDictionary] valueForKey:@"CFBundleURLTypes"];
+    });
+    for (NSDictionary *urlType in urlTypes) {
+        NSArray *urlSchemes = [urlType valueForKey:@"CFBundleURLSchemes"];
+        if ([urlSchemes containsObject:urlScheme]) {
+            return YES;
+        }
+    }
+    return NO;
+}
+
++ (NSString *)buildFacebookUrlWithPre:(NSString *)pre {
+    return [FBUtility buildFacebookUrlWithPre:pre withPost:nil];
+}
+
++ (NSString *)buildFacebookUrlWithPre:(NSString *)pre
+                             withPost:(NSString *)post {
+    NSString *domainPart = [FBSettings facebookDomainPart];
+    NSString *domain = FB_BASE_URL;
+    if (domainPart) {
+        domain = [NSString stringWithFormat:@"%@.%@", domainPart, FB_BASE_URL];
+    }
+    return [NSString stringWithFormat:@"%@%@%@", pre, domain, post ?: @""];
+}
+
++ (BOOL)isMultitaskingSupported {
+    return [[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)] &&
+    [[UIDevice currentDevice] isMultitaskingSupported];
+}
+
++ (BOOL)isSystemAccountStoreAvailable {
+    id accountStore = nil;
+    id accountTypeFB = nil;
+    
+    return (accountStore = [[[NSClassFromString(@"ACAccountStore") alloc] init] autorelease]) &&
+    (accountTypeFB = [accountStore accountTypeWithAccountTypeIdentifier:@"com.apple.facebook"]);
+}
+
++ (void)deleteFacebookCookies {
+    NSHTTPCookieStorage* cookies = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+    NSArray* facebookCookies = [cookies cookiesForURL:
+                                [NSURL URLWithString:[FBUtility dialogBaseURL]]];
+    
+    for (NSHTTPCookie* cookie in facebookCookies) {
+        [cookies deleteCookie:cookie];
+    }
+}
+
++ (NSString *)dialogBaseURL {
+    return [FBUtility buildFacebookUrlWithPre:@"https://m." withPost:@"/dialog/"];
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBViewController+Internal.h b/Vendor/facebook-ios-sdk/src/FBViewController+Internal.h
new file mode 100644
index 0000000..15845e7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBViewController+Internal.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBViewController.h"
+
+@interface FBViewController (Internal)
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBViewController.h b/Vendor/facebook-ios-sdk/src/FBViewController.h
new file mode 100644
index 0000000..489a6d6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBViewController.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@class FBViewController;
+
+/*!
+ @typedef FBModalCompletionHandler
+ 
+ @abstract
+ A block that is passed to [FBViewController presentModallyInViewController:animated:handler:]
+ and called when the view controller is dismissed via either Done or Cancel.
+ 
+ @param sender          The <FBViewController> that is being dismissed.
+ 
+ @param donePressed     If YES, Done was pressed. If NO, Cancel was pressed.
+ */
+typedef void (^FBModalCompletionHandler)(FBViewController *sender, BOOL donePressed);
+
+/*!
+ @protocol 
+ 
+ @abstract
+ The `FBViewControllerDelegate` protocol defines the methods called when the Cancel or Done
+ buttons are pressed in a <FBViewController>.
+ */
+@protocol FBViewControllerDelegate <NSObject>
+
+@optional
+
+/*!
+ @abstract
+ Called when the Cancel button is pressed on a modally-presented <FBViewController>.
+ 
+ @param sender          The view controller sending the message.
+ */
+- (void)facebookViewControllerCancelWasPressed:(id)sender;
+
+/*!
+ @abstract
+ Called when the Done button is pressed on a modally-presented <FBViewController>.
+
+ @param sender          The view controller sending the message.
+ */
+- (void)facebookViewControllerDoneWasPressed:(id)sender;
+
+@end
+
+
+/*!
+ @class FBViewController
+ 
+ @abstract
+ The `FBViewController` class is a base class encapsulating functionality common to several
+ other view controller classes. Specifically, it provides UI when a view controller is presented
+ modally, in the form of optional Cancel and Done buttons.
+ */
+@interface FBViewController : UIViewController
+
+/*!
+ @abstract
+ The Cancel button to display when presented modally. If nil, no Cancel button is displayed.
+ If this button is provided, its target and action will be redirected to internal handlers, replacing
+ any previous target that may have been set.
+ */
+@property (nonatomic, retain) IBOutlet UIBarButtonItem *cancelButton;
+
+/*!
+ @abstract
+ The Done button to display when presented modally. If nil, no Done button is displayed.
+ If this button is provided, its target and action will be redirected to internal handlers, replacing
+ any previous target that may have been set.
+ */
+@property (nonatomic, retain) IBOutlet UIBarButtonItem *doneButton;
+
+/*!
+ @abstract
+ The delegate that will be called when Cancel or Done is pressed. Derived classes may specify
+ derived types for their delegates that provide additional functionality.
+ */
+@property (nonatomic, assign) IBOutlet id<FBViewControllerDelegate> delegate;
+
+/*!
+ @abstract
+ The view into which derived classes should put their subviews. This view will be resized correctly
+ depending on whether or not a toolbar is displayed.
+ */
+@property (nonatomic, readonly, retain) UIView *canvasView;
+
+/*!
+ @abstract
+ Provides a wrapper that presents the view controller modally and automatically dismisses it
+ when either the Done or Cancel button is pressed. 
+ 
+ @param viewController  The view controller that is presenting this view controller.
+ @param animated        If YES, presenting and dismissing the view controller is animated.
+ @param handler         The block called when the Done or Cancel button is pressed.
+ */
+- (void)presentModallyFromViewController:(UIViewController*)viewController
+                                animated:(BOOL)animated
+                                 handler:(FBModalCompletionHandler)handler;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBViewController.m b/Vendor/facebook-ios-sdk/src/FBViewController.m
new file mode 100644
index 0000000..845453f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBViewController.m
@@ -0,0 +1,310 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBViewController.h"
+#import "FBViewController+Internal.h"
+#import "FBLogger.h"
+#import "FBSettings.h"
+
+@interface FBViewController ()
+
+@property (nonatomic, retain) UINavigationBar *navigationBar;
+@property (nonatomic, retain) UIView *canvasView;
+@property (nonatomic, copy) FBModalCompletionHandler handler;
+@property (nonatomic) BOOL autoDismiss;
+@property (nonatomic) BOOL dismissAnimated;
+
+- (void)cancelButtonPressed:(id)sender;
+- (void)doneButtonPressed:(id)sender;
+- (void)updateBarForPresentedMode;
+- (void)updateBarForNavigationMode;
+- (void)updateBar;
+
+@end
+
+@implementation FBViewController
+
+@synthesize cancelButton = _cancelButton;
+@synthesize doneButton = _doneButton;
+@synthesize delegate = _delegate;
+@synthesize navigationBar = _navigationBar;
+@synthesize canvasView = _canvasView;
+@synthesize handler = _handler;
+@synthesize autoDismiss = _autoDismiss;
+@synthesize dismissAnimated = _dismissAnimated;
+
+#pragma mark View controller lifecycle
+
+- (void)commonInit {
+    // We do this at init-time rather than in viewDidLoad so the caller can change the buttons if
+    // they want prior to the view loading.
+    self.cancelButton = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
+                                                                       target:self
+                                                                       action:@selector(cancelButtonPressed:)]
+                         autorelease];
+    self.doneButton = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
+                                                                     target:self
+                                                                     action:@selector(doneButtonPressed:)]
+                       autorelease];
+#ifdef __IPHONE_7_0
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_7_0
+    if (self.parentViewController == nil) {
+        UIApplication *application = [UIApplication sharedApplication];
+        if (!application.statusBarHidden) {
+            if ([self respondsToSelector:@selector(setEdgesForExtendedLayout:)]) {
+                self.edgesForExtendedLayout = UIRectEdgeNone;
+            }
+        }
+    }
+#endif
+#endif
+#endif
+}
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        [self commonInit];
+    }
+    return self;
+}
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    if (self = [super initWithCoder:aDecoder]) {
+        [self commonInit];
+    }
+    return self;
+}
+
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
+        [self commonInit];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [super dealloc];
+
+    [_cancelButton release];
+    [_doneButton release];
+    [_navigationBar release];
+    [_canvasView release];
+    [_handler release];
+}
+
+#pragma mark View lifecycle
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    self.view.autoresizesSubviews = YES;
+
+    self.canvasView = [[[UIView alloc] init] autorelease];
+    [self.canvasView setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];
+
+    self.canvasView.frame = [self contentBounds];
+    [self.view addSubview:self.canvasView];
+    [self.view sendSubviewToBack:self.canvasView];
+
+    self.autoDismiss = NO;
+
+    self.doneButton.target = self;
+    self.doneButton.action = @selector(doneButtonPressed:);
+    self.cancelButton.target = self;
+    self.cancelButton.action = @selector(cancelButtonPressed:);
+
+    [self updateBar];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+
+    // If the view goes away for any reason, nil out the handler to avoid a retain cycle.
+    self.handler = nil;
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
+{
+    return YES;
+}
+
+#pragma mark Public methods
+
+- (void)presentModallyFromViewController:(UIViewController*)viewController
+                                animated:(BOOL)animated
+                                 handler:(FBModalCompletionHandler)handler {
+    self.handler = handler;
+    // Assumption: we want to dismiss with the same animated-ness as we present.
+    self.dismissAnimated = animated;
+
+    [viewController presentViewController:self animated:animated completion:nil];
+
+    // Set this here because we always revert to NO in viewDidLoad.
+    self.autoDismiss = YES;
+}
+
+#pragma mark Implementation
+
+- (CGRect)contentBounds
+{
+    CGRect bounds = self.view.bounds;
+#ifdef __IPHONE_7_0
+#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_7_0
+    if (self.parentViewController == nil) {
+        UIApplication *application = [UIApplication sharedApplication];
+        if (!application.statusBarHidden) {
+            if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) {
+                if ((self.edgesForExtendedLayout & UIRectEdgeTop) == 0) {
+                    CGFloat offset = CGRectGetMaxY(application.statusBarFrame);
+                    bounds.origin.y += offset;
+                    bounds.size.height -= offset;
+                }
+            }
+        }
+    }
+#endif
+#endif
+#endif
+    return bounds;
+}
+
+- (void)updateBar {
+    if (self.presentingViewController != nil) {
+        [self updateBarForPresentedMode];
+    } else if (self.navigationController != nil) {
+        [self updateBarForNavigationMode];
+    }
+}
+
+- (void)updateBarForPresentedMode {
+    BOOL needBar = (self.doneButton != nil) || (self.cancelButton != nil);
+    if (needBar) {
+        // If we need a bar but don't have one, create it.
+        if (self.navigationBar == nil) {
+            self.navigationBar = [[[UINavigationBar alloc] init] autorelease];
+            self.navigationBar.barStyle = UIBarStyleDefault;
+
+            [self.navigationBar setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
+
+            [self.view addSubview:self.navigationBar];
+        }
+    } else {
+        // If we have a bar but don't need one, get rid of it.
+        if (self.navigationBar != nil) {
+            [self.navigationBar removeFromSuperview];
+            self.navigationBar = nil;
+
+            self.canvasView.frame = [self contentBounds];
+        }
+        return;
+    }
+
+    UINavigationItem *navigationItem = [[[UINavigationItem alloc] initWithTitle:nil] autorelease];
+
+    if (self.cancelButton != nil) {
+        navigationItem.leftBarButtonItem = self.cancelButton;
+    }
+    if (self.title.length > 0) {
+        navigationItem.title = self.title;
+    }
+
+    if (self.doneButton != nil) {
+        navigationItem.rightBarButtonItem = self.doneButton;
+    }
+
+    [self.navigationBar sizeToFit];
+    CGRect contentBounds = [self contentBounds];
+    CGRect frame = CGRectMake(0, 0, CGRectGetWidth(contentBounds), CGRectGetMinY(contentBounds) + CGRectGetHeight(self.navigationBar.bounds));
+    self.navigationBar.frame = frame;
+
+    // Make the canvas shorter to account for the navigationBar.
+    frame = contentBounds;
+    CGFloat navigationBarHeight = self.navigationBar.bounds.size.height;
+    frame.origin.y = navigationBarHeight;
+    frame.size.height -= navigationBarHeight;
+    self.canvasView.frame = frame;
+
+    self.navigationBar.items = @[navigationItem];
+}
+
+- (void)updateBarForNavigationMode {
+    self.navigationItem.rightBarButtonItem = self.doneButton;
+}
+
+- (void)setCancelButton:(UIBarButtonItem *)cancelButton {
+    if (_cancelButton != cancelButton) {
+        [_cancelButton release];
+        _cancelButton = [cancelButton retain];
+        [self updateBar];
+    }
+}
+
+- (void)setDoneButton:(UIBarButtonItem *)doneButton {
+    if (_doneButton != doneButton) {
+        [_doneButton release];
+        _doneButton = [doneButton retain];
+        [self updateBar];
+    }
+}
+
+- (void)setTitle:(NSString *)title {
+    [super setTitle:title];
+    [self updateBar];
+}
+
+#pragma mark Handlers
+
+- (void)cancelButtonPressed:(id)sender {
+    if ([self.delegate respondsToSelector:@selector(facebookViewControllerCancelWasPressed:)]) {
+        [self.delegate facebookViewControllerCancelWasPressed:self];
+    }
+
+    UIViewController *presentingViewController = [self presentingViewController];
+    if (self.autoDismiss && presentingViewController) {
+        [presentingViewController dismissViewControllerAnimated:self.dismissAnimated completion:nil];
+
+        [self logAppEvents:YES];
+        if (self.handler) {
+            self.handler(self, NO);
+        }
+    }
+}
+
+- (void)doneButtonPressed:(id)sender {
+    if ([self.delegate respondsToSelector:@selector(facebookViewControllerDoneWasPressed:)]) {
+        [self.delegate facebookViewControllerDoneWasPressed:self];
+    }
+
+    UIViewController *presentingViewController = [self presentingViewController];
+    if (self.autoDismiss && presentingViewController) {
+        [presentingViewController dismissViewControllerAnimated:self.dismissAnimated completion:nil];
+
+        [self logAppEvents:NO];
+        if (self.handler) {
+            self.handler(self, YES);
+        }
+    }
+}
+
+- (void)logAppEvents:(BOOL)cancelled {
+    // Internal subclasses that will implicitly log app events will do so here.
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FBWebDialogs.h b/Vendor/facebook-ios-sdk/src/FBWebDialogs.h
new file mode 100644
index 0000000..ebb770d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBWebDialogs.h
@@ -0,0 +1,234 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <UIKit/UIKit.h>
+
+@class FBFrictionlessRecipientCache;
+@class FBSession;
+@protocol FBWebDialogsDelegate;
+
+/*!
+ @typedef FBWebDialogResult enum
+ 
+ @abstract
+ Passed to a handler to indicate the result of a dialog being displayed to the user.
+*/
+typedef enum {
+    /*! Indicates that the dialog action completed successfully. Note, that cancel operations represent completed dialog operations. 
+     The url argument may be used to distinguish between success and user-cancelled cases */
+    FBWebDialogResultDialogCompleted,
+    /*! Indicates that the dialog operation was not completed. This occurs in cases such as the closure of the web-view using the X in the upper left corner. */
+    FBWebDialogResultDialogNotCompleted
+} FBWebDialogResult;
+
+/*!
+ @typedef
+ 
+ @abstract Defines a handler that will be called in response to the web dialog
+ being dismissed
+ */
+typedef void (^FBWebDialogHandler)(
+    FBWebDialogResult result,
+    NSURL *resultURL,
+    NSError *error);
+
+/*!
+ @class FBWebDialogs
+ 
+ @abstract
+ Provides methods to display web based dialogs to the user.
+*/ 
+@interface FBWebDialogs : NSObject
+
+/*!
+ @abstract
+ Presents a Facebook web dialog (https://developers.facebook.com/docs/reference/dialogs/ )
+ such as feed or apprequest.
+ 
+ @param session Represents the session to use for the dialog. May be nil, which uses
+ the active session if present, or returns NO, if not.
+ 
+ @param dialog Represents the dialog or method name, such as @"feed"
+ 
+ @param parameters A dictionary of parameters to be passed to the dialog
+ 
+ @param handler An optional handler that will be called when the dialog is dismissed. Note,
+ that if the method returns NO, the handler is not called. May be nil.
+ */
++ (void)presentDialogModallyWithSession:(FBSession *)session
+                                 dialog:(NSString *)dialog
+                             parameters:(NSDictionary *)parameters
+                                handler:(FBWebDialogHandler)handler;
+
+/*!
+ @abstract
+ Presents a Facebook web dialog (https://developers.facebook.com/docs/reference/dialogs/ )
+ such as feed or apprequest.
+ 
+ @param session Represents the session to use for the dialog. May be nil, which uses
+ the active session if present, or returns NO, if not.
+ 
+ @param dialog Represents the dialog or method name, such as @"feed"
+ 
+ @param parameters A dictionary of parameters to be passed to the dialog
+ 
+ @param handler An optional handler that will be called when the dialog is dismissed. Note,
+ that if the method returns NO, the handler is not called. May be nil.
+ 
+ @param delegate An optional delegate to allow for advanced processing of web based 
+ dialogs. See 'FBWebDialogsDelegate' for more details.
+ */
++ (void)presentDialogModallyWithSession:(FBSession *)session
+                                 dialog:(NSString *)dialog
+                             parameters:(NSDictionary *)parameters
+                                handler:(FBWebDialogHandler)handler
+                               delegate:(id<FBWebDialogsDelegate>)delegate;
+
+/*!
+ @abstract
+ Presents a Facebook apprequest dialog.
+ 
+ @param session Represents the session to use for the dialog. May be nil, which uses
+ the active session if present.
+ 
+ @param message The required message for the dialog.
+ 
+ @param title An optional title for the dialog.
+ 
+ @param parameters A dictionary of additional parameters to be passed to the dialog. May be nil
+ 
+ @param handler An optional handler that will be called when the dialog is dismissed. May be nil.
+ */
++ (void)presentRequestsDialogModallyWithSession:(FBSession *)session
+                                        message:(NSString *)message
+                                          title:(NSString *)title
+                                     parameters:(NSDictionary *)parameters
+                                        handler:(FBWebDialogHandler)handler;
+
+/*!
+ @abstract
+ Presents a Facebook apprequest dialog.
+ 
+ @param session Represents the session to use for the dialog. May be nil, which uses
+ the active session if present.
+ 
+ @param message The required message for the dialog.
+ 
+ @param title An optional title for the dialog.
+ 
+ @param parameters A dictionary of additional parameters to be passed to the dialog. May be nil
+ 
+ @param handler An optional handler that will be called when the dialog is dismissed. May be nil.
+ 
+ @param friendCache An optional cache object used to enable frictionless sharing for a known set of friends. The
+ cache instance should be preserved for the life of the session and reused for multiple calls to the present method.
+ As the users set of friends enabled for frictionless sharing changes, this method auto-updates the cache.
+ */
++ (void)presentRequestsDialogModallyWithSession:(FBSession *)session
+                                        message:(NSString *)message
+                                          title:(NSString *)title
+                                     parameters:(NSDictionary *)parameters
+                                        handler:(FBWebDialogHandler)handler
+                                    friendCache:(FBFrictionlessRecipientCache *)friendCache;
+
+/*!
+ @abstract
+ Presents a Facebook feed dialog.
+ 
+ @param session Represents the session to use for the dialog. May be nil, which uses
+ the active session if present.
+ 
+ @param parameters A dictionary of additional parameters to be passed to the dialog. May be nil
+ 
+ @param handler An optional handler that will be called when the dialog is dismissed. May be nil.
+ */
++ (void)presentFeedDialogModallyWithSession:(FBSession *)session
+                                 parameters:(NSDictionary *)parameters
+                                    handler:(FBWebDialogHandler)handler;
+
+@end
+
+/*!
+ @protocol
+ 
+ @abstract
+ The `FBWebDialogsDelegate` protocol enables the plugging of advanced behaviors into 
+ the presentation flow of a Facebook web dialog. Advanced uses include modification
+ of parameters and application-level handling of links on the dialog. The
+ `FBFrictionlessRequestFriendCache` class implements this protocol to add frictionless
+ behaviors to a presentation of the request dialog.
+ */
+@protocol FBWebDialogsDelegate<NSObject>
+
+@optional
+
+/*!
+ @abstract
+ Called prior to the presentation of a web dialog
+ 
+ @param dialog A string representing the method or dialog name of the dialog being presented.
+ 
+ @param parameters A mutable dictionary of parameters which will be sent to the dialog.
+ 
+ @param session The session object to use with the dialog.
+ */
+- (void)webDialogsWillPresentDialog:(NSString *)dialog
+                         parameters:(NSMutableDictionary *)parameters
+                            session:(FBSession *)session;
+
+/*!
+ @abstract
+ Called when the user of a dialog clicks a link that would cause a transition away from the application.
+ Your application may handle this method, and return NO if the URL handling will be performed by the application.
+ 
+ @param dialog A string representing the method or dialog name of the dialog being presented.
+ 
+ @param parameters A dictionary of parameters which were sent to the dialog.
+ 
+ @param session The session object to use with the dialog.
+ 
+ @param url The url in question, which will not be handled by the SDK if this method NO
+ */
+- (BOOL)webDialogsDialog:(NSString *)dialog
+              parameters:(NSDictionary *)parameters
+                 session:(FBSession *)session
+     shouldAutoHandleURL:(NSURL *)url;
+
+/*!
+ @abstract
+ Called when the dialog is about to be dismissed
+ 
+ @param dialog A string representing the method or dialog name of the dialog being presented.
+ 
+ @param parameters A dictionary of parameters which were sent to the dialog.
+ 
+ @param session The session object to use with the dialog.
+ 
+ @param result A pointer to a result, which may be read or changed by the handling method as needed
+ 
+ @param url A pointer to a pointer to a URL representing the URL returned by the dialog, which may be read or changed by this mehthod
+ 
+ @param error A pointer to a pointer to an error object which may be read or changed by this method as needed
+ */
+- (void)webDialogsWillDismissDialog:(NSString *)dialog
+                         parameters:(NSDictionary *)parameters
+                            session:(FBSession *)session
+                             result:(FBWebDialogResult *)result
+                                url:(NSURL **)url
+                              error:(NSError **)error;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/src/FBWebDialogs.m b/Vendor/facebook-ios-sdk/src/FBWebDialogs.m
new file mode 100644
index 0000000..709f39a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FBWebDialogs.m
@@ -0,0 +1,324 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Social/Social.h>
+
+#import "FacebookSDK.h"
+#import "FBSession+Internal.h"
+#import "FBAccessTokenData.h"
+#import "FBWebDialogs.h"
+#import "FBUtility.h"
+#import "FBDialog.h"
+#import "FBViewController+Internal.h"
+#import "FBFrictionlessDialogSupportDelegate.h"
+#import "FBFrictionlessRequestSettings.h"
+#import "FBFrictionlessRecipientCache.h"
+#import "FBSettings.h"
+#import "FBLogger.h"
+
+// this is an implementation detail class which acts
+// as the delegate in or to map to a block 
+@interface FBWebDialogInternalDelegate : NSObject <FBDialogDelegate>
+
+@property (nonatomic, copy) FBWebDialogHandler handler;
+@property (nonatomic, retain) FBDialog *dialog;
+@property (nonatomic, copy) NSString *dialogMethod;
+@property (nonatomic, copy) NSDictionary *parameters;
+@property (nonatomic, retain) FBSession *session;
+@property (nonatomic, assign) id<FBWebDialogsDelegate> delegate;
+
+- (void)goRetainYourself;
+
+@end
+
+@implementation FBWebDialogInternalDelegate {
+    BOOL _isSelfRetained;
+}
+
+@synthesize handler = _handler;
+@synthesize dialog = _dialog;
+@synthesize dialogMethod = _dialogMethod;
+@synthesize parameters = _parameters;
+@synthesize session = _session;
+@synthesize delegate = _delegate;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        _isSelfRetained = NO;
+    }
+    return self;
+}
+
+- (void)dealloc {
+    self.handler = nil;
+    if (self.dialog) {
+        self.dialog.delegate = nil;
+        self.dialog = nil;
+    }
+    self.dialogMethod = nil;
+    self.parameters = nil;
+    self.session = nil;
+    // self.delegate is assign per the pattern
+    [super dealloc];
+}
+
+// The SDK 3.* and greater maintains compatibility with the 2.0 SDKs, in order to simplify migration
+// for customers moving to 3.*. Due to this, there are a few ugly bits where we have to hack to keep
+// the legacy code working, without letting its anti-patterns bleed into the newer (and hopefully
+// cleaner) 3.* API, and customer app. The self-retention madness in this class is an example of this.
+// So without further ado...
+- (void)goRetainYourself {
+    if (!_isSelfRetained) {
+        [self retain];
+        _isSelfRetained = YES;
+    }
+}
+
+- (void)releaseSelfIfNeeded {
+    self.handler = nil; // insurance
+    self.delegate = nil; // insurance
+    if (self.dialog) {
+        self.dialog.delegate = nil;
+        self.dialog = nil;
+    }
+    if (_isSelfRetained) {
+        [self autorelease];
+        _isSelfRetained = NO;
+    }
+}
+
+- (void)completeWithResult:(FBWebDialogResult)result
+                       url:(NSURL *)url
+                     error:(NSError *)error {
+    
+    // optional delegate invocation
+    if ([self.delegate respondsToSelector:@selector(webDialogsWillDismissDialog:parameters:session:result:url:error:)]) {
+        [self.delegate webDialogsWillDismissDialog:self.dialogMethod
+                                        parameters:self.parameters
+                                           session:self.session
+                                            result:&result       // may mutate
+                                               url:&url          // may mutate
+                                             error:&error];      // may mutate
+        
+        // important! we must nil the delegate before nil'ing the handler, to preserve
+        // the case where the calling app is using a block to retain the delegate
+        self.delegate = nil;
+    }
+    
+    if (self.handler) {
+        self.handler(result, url, error);
+        self.handler = nil;
+    }
+}
+
+// non-terminal delegate methods
+
+- (BOOL)dialog:(FBDialog*)dialog shouldOpenURLInExternalBrowser:(NSURL *)url {
+    BOOL result = YES;
+    // optional delegate invocation
+    if ([self.delegate respondsToSelector:@selector(webDialogsDialog:parameters:session:shouldAutoHandleURL:)]) {
+        result = [self.delegate webDialogsDialog:self.dialogMethod
+                                      parameters:self.parameters
+                                         session:self.session
+                             shouldAutoHandleURL:url];
+    }
+    return result;
+}
+
+- (void)dialogCompleteWithUrl:(NSURL *)url {
+    [self completeWithResult:FBWebDialogResultDialogCompleted
+                         url:url
+                       error:nil];
+}
+
+- (void)dialogDidNotCompleteWithUrl:(NSURL *)url {
+    [self completeWithResult:FBWebDialogResultDialogNotCompleted
+                         url:url
+                       error:nil];
+}
+
+// terminal delegate methods
+
+- (void)dialogDidComplete:(FBDialog *)dialog {
+    [self completeWithResult:FBWebDialogResultDialogCompleted
+                         url:nil
+                       error:nil];
+    [self releaseSelfIfNeeded];
+}
+
+- (void)dialogDidNotComplete:(FBDialog *)dialog {
+    [self completeWithResult:FBWebDialogResultDialogNotCompleted
+                         url:nil
+                       error:nil];
+    [self releaseSelfIfNeeded];
+}
+
+- (void)dialog:(FBDialog*)dialog didFailWithError:(NSError *)error {
+    [self completeWithResult:FBWebDialogResultDialogNotCompleted
+                         url:nil
+                       error:error];
+    [self releaseSelfIfNeeded];
+}
+
+@end
+
+@implementation FBWebDialogs
+
++ (void)presentDialogModallyWithSession:(FBSession *)session
+                                 dialog:(NSString *)dialog
+                             parameters:(NSDictionary *)parameters
+                                handler:(FBWebDialogHandler)handler {
+    [FBWebDialogs presentDialogModallyWithSession:session
+                                           dialog:dialog
+                                       parameters:parameters
+                                          handler:handler
+                                         delegate:nil];
+}
+
++ (void)presentDialogModallyWithSession:(FBSession *)session
+                                 dialog:(NSString *)dialog
+                             parameters:(NSDictionary *)parameters
+                                handler:(FBWebDialogHandler)handler
+                               delegate:(id<FBWebDialogsDelegate>)delegate {
+    
+    NSString *dialogURL = [[FBUtility dialogBaseURL] stringByAppendingString:dialog];
+    
+    NSMutableDictionary *parametersImpl = [NSMutableDictionary dictionary];
+
+    // start with built-in parameters
+    [parametersImpl setObject:@"touch" forKey:@"display"];
+    [parametersImpl setObject:FB_IOS_SDK_VERSION_STRING forKey:@"sdk"];
+    [parametersImpl setObject:@"fbconnect://success" forKey:@"redirect_uri"];
+    [parametersImpl setObject:[FBSettings defaultAppID] ? : @"" forKey:@"app_id"];
+    
+    // then roll in developer provided parameters
+    if (parameters) {
+        [parametersImpl addEntriesFromDictionary:parameters];
+    }
+   
+    // if a session isn't specified, fall back to active session when available
+    if (!session) {
+        session = [FBSession activeSessionIfOpen];
+    }
+    
+    // if we have a session, then we set app_id and access_token, otherwise
+    // caller must pass parameters to meet the requirements of the dialog
+    if (session) {
+        // set access_token and app_id
+        [parametersImpl setObject:session.accessTokenData.accessToken ? : @""
+                          forKey:@"access_token"];
+        [parametersImpl setObject:session.appID ? : @""
+                           forKey:@"app_id"];
+    }
+    
+    NSString *app_id = [parametersImpl objectForKey:@"app_id"];
+    if ([app_id length] == 0) {
+        [FBLogger singleShotLogEntry:FBLoggingBehaviorDeveloperErrors
+                            logEntry:@"You must specify an app_id via an FBSession, the parameters, or the plist"];
+    }
+
+    BOOL isViewInvisible = NO;
+    FBFrictionlessRequestSettings *frictionlessSettings = nil;
+    
+    // optional delegate invocation
+    if ([delegate respondsToSelector:@selector(webDialogsWillPresentDialog:parameters:session:)]) {
+        [delegate webDialogsWillPresentDialog:dialog
+                                   parameters:parametersImpl
+                                      session:session];
+
+        // Important! Per the spec of the internal protocol, calls to FBFrictionlessDialogSupportDelegate
+        // methods must be made after the base delegate call to webDialogsWillPresentDialog
+        if ([delegate conformsToProtocol:@protocol(FBFrictionlessDialogSupportDelegate)]) {
+            id<FBFrictionlessDialogSupportDelegate> supportDelegate = (id<FBFrictionlessDialogSupportDelegate>)delegate;
+            isViewInvisible = supportDelegate.frictionlessShouldMakeViewInvisible;
+            frictionlessSettings = supportDelegate.frictionlessSettings;
+        }
+    }
+    
+    FBWebDialogInternalDelegate *innerDelegate = [[[FBWebDialogInternalDelegate alloc] init] autorelease];
+    innerDelegate.dialogMethod = dialog;
+    innerDelegate.parameters = parametersImpl;
+    innerDelegate.session = session;
+    innerDelegate.handler = handler;
+    innerDelegate.delegate = delegate;
+    [innerDelegate goRetainYourself];
+    
+    FBDialog *d = [[FBDialog alloc] initWithURL:dialogURL
+                                         params:parametersImpl
+                                isViewInvisible:isViewInvisible
+                           frictionlessSettings:frictionlessSettings
+                                       delegate:innerDelegate];
+    
+    // this reference keeps the dialog alive as needed
+    innerDelegate.dialog = d;
+    [d show];
+    [d release];
+}
+
++ (void)presentRequestsDialogModallyWithSession:(FBSession *)session
+                                        message:(NSString *)message
+                                          title:(NSString *)title
+                                     parameters:(NSDictionary *)parameters
+                                        handler:(FBWebDialogHandler)handler {
+    [FBWebDialogs presentRequestsDialogModallyWithSession:session
+                                                  message:message
+                                                    title:title
+                                               parameters:parameters
+                                                  handler:handler
+                                              friendCache:nil];
+}
+
++ (void)presentRequestsDialogModallyWithSession:(FBSession *)session
+                                        message:(NSString *)message
+                                          title:(NSString *)title
+                                     parameters:(NSDictionary *)parameters
+                                        handler:(FBWebDialogHandler)handler
+                                    friendCache:(FBFrictionlessRecipientCache *)friendCache {
+    
+    NSMutableDictionary *parametersImpl = [NSMutableDictionary dictionary];
+    
+    // start with developer provided parameters
+    if (parameters) {
+        [parametersImpl addEntriesFromDictionary:parameters];
+    }
+    
+    // then roll in argument parameters
+    if (message) {
+        [parametersImpl setObject:message forKey:@"message"];
+    }
+    
+    if (title) {
+        [parametersImpl setObject:title forKey:@"title"];
+    }
+        
+    [FBWebDialogs presentDialogModallyWithSession:session
+                                           dialog:@"apprequests"
+                                       parameters:parametersImpl
+                                          handler:handler
+                                         delegate:friendCache];
+}
+
++ (void)presentFeedDialogModallyWithSession:(FBSession *)session
+                                 parameters:(NSDictionary *)parameters
+                                    handler:(FBWebDialogHandler)handler {
+    [FBWebDialogs presentDialogModallyWithSession:session
+                                           dialog:@"feed"
+                                       parameters:parameters
+                                          handler:handler];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/Facebook.h b/Vendor/facebook-ios-sdk/src/Facebook.h
new file mode 100644
index 0000000..84ee0fb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Facebook.h
@@ -0,0 +1,281 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLoginDialog.h"
+#import "FBRequest.h"
+#import "FBSessionManualTokenCachingStrategy.h"
+#import "FBFrictionlessRequestSettings.h"
+#import "FacebookSDK.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// deprecated API
+//
+// Summary
+// The classes, protocols, etc. in this header are provided for backward
+// compatibility and migration; for new code, use FacebookSDK.h, and/or the
+// public headers that it imports; for existing code under active development,
+// Facebook.h imports FacebookSDK.h, and updates should favor the new interfaces
+// whenever possible
+
+// up-front decl's
+@class FBFrictionlessRequestSettings;
+@protocol FBRequestDelegate;
+@protocol FBSessionDelegate;
+
+/**
+ * Main Facebook interface for interacting with the Facebook developer API.
+ * Provides methods to log in and log out a user, make requests using the REST
+ * and Graph APIs, and start user interface interactions (such as
+ * pop-ups promoting for credentials, permissions, stream posts, etc.)
+ */
+@interface Facebook : NSObject<FBLoginDialogDelegate>{
+    id<FBSessionDelegate> _sessionDelegate;
+    NSMutableSet* _requests;
+    FBSession* _session;    
+    FBSessionManualTokenCachingStrategy *_tokenCaching;
+    FBDialog* _fbDialog;
+    NSString* _appId;
+    NSString* _urlSchemeSuffix;
+    BOOL _isExtendingAccessToken;
+    FBRequest *_requestExtendingAccessToken;
+    NSDate* _lastAccessTokenUpdate;
+    FBFrictionlessRequestSettings* _frictionlessRequestSettings;
+}
+
+@property(nonatomic, copy) NSString* accessToken;
+@property(nonatomic, copy) NSDate* expirationDate;
+@property(nonatomic, assign) id<FBSessionDelegate> sessionDelegate;
+@property(nonatomic, copy) NSString* urlSchemeSuffix;
+@property(nonatomic, readonly) BOOL isFrictionlessRequestsEnabled;
+@property(nonatomic, readonly, retain) FBSession *session;
+
+- (id)initWithAppId:(NSString *)appId
+        andDelegate:(id<FBSessionDelegate>)delegate;
+
+- (id)initWithAppId:(NSString *)appId
+    urlSchemeSuffix:(NSString *)urlSchemeSuffix
+        andDelegate:(id<FBSessionDelegate>)delegate;
+
+- (void)authorize:(NSArray *)permissions;
+
+- (void)extendAccessToken;
+
+- (void)extendAccessTokenIfNeeded;
+
+- (BOOL)shouldExtendAccessToken;
+
+- (BOOL)handleOpenURL:(NSURL *)url;
+
+- (void)logout;
+
+- (void)logout:(id<FBSessionDelegate>)delegate;
+
+- (FBRequest*)requestWithParams:(NSMutableDictionary *)params
+                    andDelegate:(id <FBRequestDelegate>)delegate;
+
+- (FBRequest*)requestWithMethodName:(NSString *)methodName
+                          andParams:(NSMutableDictionary *)params
+                      andHttpMethod:(NSString *)httpMethod
+                        andDelegate:(id <FBRequestDelegate>)delegate;
+
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                       andDelegate:(id <FBRequestDelegate>)delegate;
+
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                         andParams:(NSMutableDictionary *)params
+                       andDelegate:(id <FBRequestDelegate>)delegate;
+
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                         andParams:(NSMutableDictionary *)params
+                     andHttpMethod:(NSString *)httpMethod
+                       andDelegate:(id <FBRequestDelegate>)delegate;
+
+- (void)dialog:(NSString *)action
+   andDelegate:(id<FBDialogDelegate>)delegate;
+
+- (void)dialog:(NSString *)action
+     andParams:(NSMutableDictionary *)params
+   andDelegate:(id <FBDialogDelegate>)delegate;
+
+- (BOOL)isSessionValid;
+
+- (void)enableFrictionlessRequests;
+
+- (void)reloadFrictionlessRecipientCache;
+
+- (BOOL)isFrictionlessEnabledForRecipient:(id)fbid;
+
+- (BOOL)isFrictionlessEnabledForRecipients:(NSArray*)fbids;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Your application should implement this delegate to receive session callbacks.
+ */
+@protocol FBSessionDelegate <NSObject>
+
+/**
+ * Called when the user successfully logged in.
+ */
+- (void)fbDidLogin;
+
+/**
+ * Called when the user dismissed the dialog without logging in.
+ */
+- (void)fbDidNotLogin:(BOOL)cancelled;
+
+/**
+ * Called after the access token was extended. If your application has any
+ * references to the previous access token (for example, if your application
+ * stores the previous access token in persistent storage), your application
+ * should overwrite the old access token with the new one in this method.
+ * See extendAccessToken for more details.
+ */
+- (void)fbDidExtendToken:(NSString*)accessToken
+               expiresAt:(NSDate*)expiresAt;
+
+/**
+ * Called when the user logged out.
+ */
+- (void)fbDidLogout;
+
+/**
+ * Called when the current session has expired. This might happen when:
+ *  - the access token expired
+ *  - the app has been disabled
+ *  - the user revoked the app's permissions
+ *  - the user changed his or her password
+ */
+- (void)fbSessionInvalidated;
+
+@end
+
+@protocol FBRequestDelegate;
+
+enum {
+    kFBRequestStateReady,
+    kFBRequestStateLoading,
+    kFBRequestStateComplete,
+    kFBRequestStateError
+};
+
+// FBRequest(Deprecated) 
+//
+// Summary
+// The deprecated category is used to maintain back compat and ease migration
+// to the revised SDK for iOS
+
+/**
+ * Do not use this interface directly, instead, use method in Facebook.h
+ */
+@interface FBRequest(Deprecated)
+
+@property(nonatomic,assign) id<FBRequestDelegate> delegate;
+
+/**
+ * The URL which will be contacted to execute the request.
+ */
+@property(nonatomic,copy) NSString* url;
+
+/**
+ * The API method which will be called.
+ */
+@property(nonatomic,copy) NSString* httpMethod;
+
+/**
+ * The dictionary of parameters to pass to the method.
+ *
+ * These values in the dictionary will be converted to strings using the
+ * standard Objective-C object-to-string conversion facilities.
+ */
+@property(nonatomic,retain) NSMutableDictionary* params;
+@property(nonatomic,retain) NSURLConnection*  connection;
+@property(nonatomic,retain) NSMutableData* responseText;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+@property(nonatomic) FBRequestState state;
+#pragma GCC diagnostic pop
+@property(nonatomic) BOOL sessionDidExpire;
+
+/**
+ * Error returned by the server in case of request's failure (or nil otherwise).
+ */
+@property(nonatomic,retain) NSError* error;
+
+- (BOOL) loading;
+
++ (NSString *)serializeURL:(NSString *)baseUrl
+                    params:(NSDictionary *)params;
+
++ (NSString*)serializeURL:(NSString *)baseUrl
+                   params:(NSDictionary *)params
+               httpMethod:(NSString *)httpMethod;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////
+
+/*
+ *Your application should implement this delegate
+ */
+@protocol FBRequestDelegate <NSObject>
+
+@optional
+
+/**
+ * Called just before the request is sent to the server.
+ */
+- (void)requestLoading:(FBRequest *)request;
+
+/**
+ * Called when the Facebook API request has returned a response.
+ *
+ * This callback gives you access to the raw response. It's called before
+ * (void)request:(FBRequest *)request didLoad:(id)result,
+ * which is passed the parsed response object.
+ */
+- (void)request:(FBRequest *)request didReceiveResponse:(NSURLResponse *)response;
+
+/**
+ * Called when an error prevents the request from completing successfully.
+ */
+- (void)request:(FBRequest *)request didFailWithError:(NSError *)error;
+
+/**
+ * Called when a request returns and its response has been parsed into
+ * an object.
+ *
+ * The resulting object may be a dictionary, an array or a string, depending
+ * on the format of the API response. If you need access to the raw response,
+ * use:
+ *
+ * (void)request:(FBRequest *)request
+ *      didReceiveResponse:(NSURLResponse *)response
+ */
+- (void)request:(FBRequest *)request didLoad:(id)result;
+
+/**
+ * Called when a request returns a response.
+ *
+ * The result object is the raw response from the server of type NSData
+ */
+- (void)request:(FBRequest *)request didLoadRawResponse:(NSData *)data;
+
+@end
+
+
diff --git a/Vendor/facebook-ios-sdk/src/Facebook.m b/Vendor/facebook-ios-sdk/src/Facebook.m
new file mode 100644
index 0000000..91e6449
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Facebook.m
@@ -0,0 +1,822 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "Facebook.h"
+#import "FBFrictionlessRequestSettings.h"
+#import "FBLoginDialog.h"
+#import "FBRequest.h"
+#import "FBError.h"
+#import "FBSessionManualTokenCachingStrategy.h"
+#import "FBSession+Internal.h"
+#import "FBSessionUtility.h"
+#import "FBUtility.h"
+
+static NSString* kRedirectURL = @"fbconnect://success";
+
+static NSString* kLogin = @"oauth";
+static NSString* kApprequests = @"apprequests";
+static NSString* kSDKVersion = @"2";
+
+// If the last time we extended the access token was more than 24 hours ago
+// we try to refresh the access token again.
+static const int kTokenExtendThreshold = 24;
+
+static NSString *requestFinishedKeyPath = @"state";
+static void *finishedContext = @"finishedContext";
+static void *tokenContext = @"tokenContext";
+
+// the following const strings name properties for which KVO is manually handled
+static NSString *const FBaccessTokenPropertyName = @"accessToken";
+static NSString *const FBexpirationDatePropertyName = @"expirationDate";
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@interface Facebook () <FBRequestDelegate>
+
+// private properties
+@property(nonatomic, copy) NSString* appId;
+// session and tokenCaching object implement login logic and token state in Facebook class
+@property(nonatomic, readwrite, retain) FBSession *session;
+@property(nonatomic) BOOL hasUpdatedAccessToken;
+@property(nonatomic, retain) FBSessionManualTokenCachingStrategy *tokenCaching;
+
+@end
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+@implementation Facebook
+
+@synthesize sessionDelegate = _sessionDelegate,
+            urlSchemeSuffix = _urlSchemeSuffix,
+            appId = _appId,
+            session = _session,
+            hasUpdatedAccessToken = _hasUpdatedAccessToken,
+            tokenCaching = _tokenCaching;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// private
+
+
+- (id)initWithAppId:(NSString *)appId
+        andDelegate:(id<FBSessionDelegate>)delegate {
+    self = [self initWithAppId:appId urlSchemeSuffix:nil andDelegate:delegate];
+    return self;
+}
+
+/**
+ * Initialize the Facebook object with application ID.
+ *
+ * @param appId the facebook app id
+ * @param urlSchemeSuffix
+ *   urlSchemeSuffix is a string of lowercase letters that is
+ *   appended to the base URL scheme used for Facebook Login. For example,
+ *   if your facebook ID is "350685531728" and you set urlSchemeSuffix to
+ *   "abcd", the Facebook app will expect your application to bind to
+ *   the following URL scheme: "fb350685531728abcd".
+ *   This is useful if your have multiple iOS applications that
+ *   share a single Facebook application id (for example, if you
+ *   have a free and a paid version on the same app) and you want
+ *   to use Facebook Login with both apps. Giving both apps different
+ *   urlSchemeSuffix values will allow the Facebook app to disambiguate
+ *   their URL schemes and always redirect the user back to the
+ *   correct app, even if both the free and the app is installed
+ *   on the device.
+ *   urlSchemeSuffix is supported on version 3.4.1 and above of the Facebook
+ *   app. If the user has an older version of the Facebook app
+ *   installed and your app uses urlSchemeSuffix parameter, the SDK will
+ *   proceed as if the Facebook app isn't installed on the device
+ *   and redirect the user to Safari.
+ * @param delegate the FBSessionDelegate
+ */
+- (id)initWithAppId:(NSString *)appId
+    urlSchemeSuffix:(NSString *)urlSchemeSuffix
+        andDelegate:(id<FBSessionDelegate>)delegate {
+    
+    self = [super init];
+    if (self) {
+        _requests = [[NSMutableSet alloc] init];
+        _lastAccessTokenUpdate = [[NSDate distantPast] retain];
+        _frictionlessRequestSettings = [[FBFrictionlessRequestSettings alloc] init];
+        _tokenCaching = [[FBSessionManualTokenCachingStrategy alloc] init];        
+        self.appId = appId;
+        self.sessionDelegate = delegate;
+        self.urlSchemeSuffix = urlSchemeSuffix;
+        
+        // observe tokenCaching properties so we can forward KVO
+        [self.tokenCaching addObserver:self 
+                            forKeyPath:FBaccessTokenPropertyName
+                               options:NSKeyValueObservingOptionPrior 
+                               context:tokenContext];
+        [self.tokenCaching addObserver:self
+                            forKeyPath:FBexpirationDatePropertyName
+                               options:NSKeyValueObservingOptionPrior
+                               context:tokenContext];
+    }
+    return self;
+}
+
+/**
+ * Override NSObject : free the space
+ */
+- (void)dealloc {
+
+    // this is the one case where the delegate is this object
+    _requestExtendingAccessToken.delegate = nil;
+
+    [_session release];
+    // remove KVOs for tokenCaching
+    [_tokenCaching removeObserver:self forKeyPath:FBaccessTokenPropertyName context:tokenContext];
+    [_tokenCaching removeObserver:self forKeyPath:FBexpirationDatePropertyName context:tokenContext];
+    [_tokenCaching release];
+
+    for (FBRequest* _request in _requests) {
+        [_request removeObserver:self forKeyPath:requestFinishedKeyPath];
+    }
+    [_lastAccessTokenUpdate release];
+    [_requests release];
+    _fbDialog.delegate = nil;
+    [_fbDialog release];
+    [_appId release];
+    [_urlSchemeSuffix release];
+    [_frictionlessRequestSettings release];
+    [super dealloc];
+}
+
+- (void)invalidateSession {
+    
+    [self.session close];
+    [self.tokenCaching clearToken];
+    
+    [FBUtility deleteFacebookCookies];
+    
+    // setting to nil also terminates any active request for whitelist
+    [_frictionlessRequestSettings updateRecipientCacheWithRecipients:nil]; 
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+- (void)observeFinishedContextValueForKeyPath:(NSString *)keyPath
+                                     ofObject:(id)object
+                                       change:(NSDictionary *)change {
+    FBRequest* _request = (FBRequest*)object;
+    FBRequestState requestState = [_request state];
+    if (requestState == kFBRequestStateComplete) {
+        if ([_request sessionDidExpire]) {
+            [self invalidateSession];
+            if ([self.sessionDelegate respondsToSelector:@selector(fbSessionInvalidated)]) {
+                [self.sessionDelegate fbSessionInvalidated];
+            }
+        }
+        [_request removeObserver:self forKeyPath:requestFinishedKeyPath];
+        [_requests removeObject:_request];
+    }
+    
+}
+#pragma GCC diagnostic pop
+
+- (void)observeTokenContextValueForKeyPath:(NSString *)keyPath
+                                    change:(NSDictionary *)change {
+    // here we are forwarding KVO notifications from an inner object
+    if ([change objectForKey:NSKeyValueChangeNotificationIsPriorKey]) {
+        [self willChangeValueForKey:keyPath];        
+    } else {        
+        [self didChangeValueForKey:keyPath];        
+    }
+}
+
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
+    // dispatch for various observe cases
+    if (context == finishedContext) {
+        [self observeFinishedContextValueForKeyPath:keyPath
+                                           ofObject:object
+                                             change:change];
+    } else if (context == tokenContext) {
+        [self observeTokenContextValueForKeyPath:keyPath
+                                             change:change];
+    } else {
+        [super observeValueForKeyPath:keyPath
+                             ofObject:object
+                               change:change
+                              context:context];
+    }
+}
+
+/**
+ * A private function for getting the app's base url.
+ */
+- (NSString *)getOwnBaseUrl {
+    return [NSString stringWithFormat:@"fb%@%@://authorize",
+            _appId,
+            _urlSchemeSuffix ? _urlSchemeSuffix : @""];
+}
+
+/**
+ * A function for parsing URL parameters.
+ */
+- (NSDictionary*)parseURLParams:(NSString *)query {
+	NSArray *pairs = [query componentsSeparatedByString:@"&"];
+	NSMutableDictionary *params = [[[NSMutableDictionary alloc] init] autorelease];
+	for (NSString *pair in pairs) {
+		NSArray *kv = [pair componentsSeparatedByString:@"="];
+		NSString *val =
+        [[kv objectAtIndex:1]
+         stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        
+		[params setObject:val forKey:[kv objectAtIndex:0]];
+	}
+    return params;
+}
+
+- (void)updateSessionIfTokenUpdated {
+    if (self.hasUpdatedAccessToken) {
+        self.hasUpdatedAccessToken = NO;
+
+        // invalidate current session and create a new one with the same permissions
+        NSArray *permissions = self.session.accessTokenData.permissions;
+        [self.session close];    
+        self.session = [[[FBSession alloc] initWithAppID:_appId
+                                             permissions:permissions
+                                         urlSchemeSuffix:_urlSchemeSuffix
+                                      tokenCacheStrategy:self.tokenCaching]
+                           autorelease];
+    
+        // get the session into a valid state
+        [self.session openWithCompletionHandler:nil];
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+//public
+
+/**
+ * Starts a dialog which prompts the user to log in to Facebook and grant
+ * the requested permissions to the application.
+ *
+ * If the device supports multitasking, we use fast app switching to show
+ * the dialog in the Facebook app or, if the Facebook app isn't installed,
+ * in Safari (this enables Facebook Login by allowing multiple apps on
+ * the device to share the same user session).
+ * When the user grants or denies the permissions, the app that
+ * showed the dialog (the Facebook app or Safari) redirects back to
+ * the calling application, passing in the URL the access token
+ * and/or any other parameters the Facebook backend includes in
+ * the result (such as an error code if an error occurs).
+ *
+ * See http://developers.facebook.com/docs/authentication/ for more details.
+ *
+ * Also note that requests may be made to the API without calling
+ * authorize() first, in which case only public information is returned.
+ *
+ * @param permissions
+ *            A list of permission required for this application: e.g.
+ *            "read_stream", "publish_stream", or "offline_access". see
+ *            http://developers.facebook.com/docs/authentication/permissions
+ *            This parameter should not be null -- if you do not require any
+ *            permissions, then pass in an empty String array.
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the user has logged in.
+ */
+- (void)authorize:(NSArray *)permissions {
+    
+    // if we already have a session, git rid of it
+    [self.session close];
+    self.session = nil;
+    [self.tokenCaching clearToken];
+    
+    self.session = [[[FBSession alloc] initWithAppID:_appId
+                                         permissions:permissions
+                                     urlSchemeSuffix:_urlSchemeSuffix
+                                  tokenCacheStrategy:self.tokenCaching]
+                    autorelease];
+    
+    [self.session openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        switch (status) {
+            case FBSessionStateOpen:
+                // call the legacy session delegate
+                [self fbDialogLogin:session.accessTokenData.accessToken expirationDate:session.accessTokenData.expirationDate];
+                break;
+            case FBSessionStateClosedLoginFailed:
+                { // prefer to keep decls near to their use
+                    
+                    // unpack the error code and reason in order to compute cancel bool
+                    NSString *errorCode = [[error userInfo] objectForKey:FBErrorLoginFailedOriginalErrorCode];
+                    NSString *errorReason = [[error userInfo] objectForKey:FBErrorLoginFailedReason];
+                    BOOL userDidCancel = !errorCode && (!errorReason ||
+                                                        [errorReason isEqualToString:FBErrorLoginFailedReasonInlineCancelledValue]);
+                    
+                    // call the legacy session delegate
+                    [self fbDialogNotLogin:userDidCancel];
+                }
+                break;
+            // presently extension, log-out and invalidation are being implemented in the Facebook class 
+            default:
+                break; // so we do nothing in response to those state transitions
+        }
+    }];
+ }
+
+-(NSString*)accessToken {
+    return self.tokenCaching.accessToken;  
+}
+
+-(void)setAccessToken:(NSString *)accessToken {
+    self.tokenCaching.accessToken = accessToken;
+    self.hasUpdatedAccessToken = YES;
+}
+
+-(NSDate*)expirationDate {
+    return self.tokenCaching.expirationDate;
+}
+
+-(void)setExpirationDate:(NSDate *)expirationDate {
+    self.tokenCaching.expirationDate = expirationDate;
+    self.hasUpdatedAccessToken = YES;
+}
+
+/**
+ * Attempt to extend the access token.
+ *
+ * Access tokens typically expire within 30-60 days. When the user uses the
+ * app, the app should periodically try to obtain a new access token. Once an
+ * access token has expired, the app can no longer renew it. The app then has
+ * to ask the user to re-authorize it to obtain a new access token.
+ *
+ * To ensure your app always has a fresh access token for active users, it's
+ * recommended that you call extendAccessTokenIfNeeded in your application's
+ * applicationDidBecomeActive: UIApplicationDelegate method.
+ */
+- (void)extendAccessToken {
+    if (_isExtendingAccessToken) {
+        return;
+    }
+    _isExtendingAccessToken = YES;
+    NSMutableDictionary* params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                   @"auth.extendSSOAccessToken", @"method",
+                                   nil];
+    _requestExtendingAccessToken = [self requestWithParams:params andDelegate:self];
+}
+
+/**
+ * Calls extendAccessToken if shouldExtendAccessToken returns YES.
+ */
+- (void)extendAccessTokenIfNeeded {
+    if ([self shouldExtendAccessToken]) {
+        [self extendAccessToken];
+    }
+}
+
+/**
+ * Returns YES if the last time a new token was obtained was over 24 hours ago.
+ */
+- (BOOL)shouldExtendAccessToken {
+    if ([self isSessionValid]){
+        NSCalendar *calendar = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];
+        NSDateComponents *components = [calendar components:NSHourCalendarUnit
+                                                   fromDate:_lastAccessTokenUpdate
+                                                     toDate:[NSDate date]
+                                                    options:0];
+        
+        if (components.hour >= kTokenExtendThreshold) {
+            return YES;
+        }
+    }
+    return NO;
+}
+
+/**
+ * This function processes the URL the Facebook application or Safari used to
+ * open your application during a Facebook Login flow.
+ *
+ * You MUST call this function in your UIApplicationDelegate's handleOpenURL
+ * method (see
+ * http://developer.apple.com/library/ios/#documentation/uikit/reference/UIApplicationDelegate_Protocol/Reference/Reference.html
+ * for more info).
+ *
+ * This will ensure that the authorization process will proceed smoothly once the
+ * Facebook application or Safari redirects back to your application.
+ *
+ * @param URL the URL that was passed to the application delegate's handleOpenURL method.
+ *
+ * @return YES if the URL starts with 'fb[app_id]://authorize and hence was handled
+ *   by SDK, NO otherwise.
+ */
+- (BOOL)handleOpenURL:(NSURL *)url {
+    return [self.session handleOpenURL:url];
+}
+
+/**
+ * Invalidate the current user session by removing the access token in
+ * memory and clearing the browser cookie.
+ *
+ * Note that this method dosen't unauthorize the application --
+ * it just removes the access token. To unauthorize the application,
+ * the user must remove the app in the app settings page under the privacy
+ * settings screen on facebook.com.
+ */
+- (void)logout {
+    [self invalidateSession];
+    
+    if ([self.sessionDelegate respondsToSelector:@selector(fbDidLogout)]) {
+        [self.sessionDelegate fbDidLogout];
+    }
+}
+
+/**
+ * Invalidate the current user session by removing the access token in
+ * memory and clearing the browser cookie.
+ *
+ * @deprecated Use of a single session delegate, set at app init, is preferred
+ */
+- (void)logout:(id<FBSessionDelegate>)delegate {
+    [self logout];
+    // preserve deprecated callback behavior, but leave cached delegate intact
+    // avoid calling twice if the passed and cached delegates are the same
+    if (delegate != self.sessionDelegate &&
+        [delegate respondsToSelector:@selector(fbDidLogout)]) {
+        [delegate fbDidLogout];
+    }
+}
+
+/**
+ * Make a request to Facebook's REST API with the given
+ * parameters. One of the parameter keys must be "method" and its value
+ * should be a valid REST server API method.
+ *
+ * See http://developers.facebook.com/docs/reference/rest/
+ *
+ * @param parameters
+ *            Key-value pairs of parameters to the request. Refer to the
+ *            documentation: one of the parameters must be "method".
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the request has received response
+ * @return FBRequest*
+ *            Returns a pointer to the FBRequest object.
+ */
+- (FBRequest*)requestWithParams:(NSMutableDictionary *)params
+                    andDelegate:(id <FBRequestDelegate>)delegate {
+    if ([params objectForKey:@"method"] == nil) {
+        NSLog(@"API Method must be specified");
+        return nil;
+    }
+    
+    NSString * methodName = [params objectForKey:@"method"];
+    [params removeObjectForKey:@"method"];
+    
+    return [self requestWithMethodName:methodName
+                             andParams:params
+                         andHttpMethod:@"GET"
+                           andDelegate:delegate];
+}
+
+/**
+ * Make a request to Facebook's REST API with the given method name and
+ * parameters.
+ *
+ * See http://developers.facebook.com/docs/reference/rest/
+ *
+ *
+ * @param methodName
+ *             a valid REST server API method.
+ * @param parameters
+ *            Key-value pairs of parameters to the request. Refer to the
+ *            documentation: one of the parameters must be "method". To upload
+ *            a file, you should specify the httpMethod to be "POST" and the
+ *            “params� you passed in should contain a value of the type
+ *            (UIImage *) or (NSData *) which contains the content that you
+ *            want to upload
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the request has received response
+ * @return FBRequest*
+ *            Returns a pointer to the FBRequest object.
+ */
+- (FBRequest*)requestWithMethodName:(NSString *)methodName
+                          andParams:(NSMutableDictionary *)params
+                      andHttpMethod:(NSString *)httpMethod
+                        andDelegate:(id <FBRequestDelegate>)delegate {
+    [self updateSessionIfTokenUpdated];
+    [self extendAccessTokenIfNeeded];
+
+    FBRequest *request = [[FBRequest alloc] initWithSession:self.session
+                                                 restMethod:methodName
+                                                 parameters:params
+                                                 HTTPMethod:httpMethod];
+    [request setDelegate:delegate];
+    [request startWithCompletionHandler:nil];
+
+    return request;
+}
+
+/**
+ * Make a request to the Facebook Graph API without any parameters.
+ *
+ * See http://developers.facebook.com/docs/api
+ *
+ * @param graphPath
+ *            Path to resource in the Facebook graph, e.g., to fetch data
+ *            about the currently logged authenticated user, provide "me",
+ *            which will fetch http://graph.facebook.com/me
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the request has received response
+ * @return FBRequest*
+ *            Returns a pointer to the FBRequest object.
+ */
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                       andDelegate:(id <FBRequestDelegate>)delegate {
+    
+    return [self requestWithGraphPath:graphPath
+                            andParams:[NSMutableDictionary dictionary]
+                        andHttpMethod:@"GET"
+                          andDelegate:delegate];
+}
+
+/**
+ * Make a request to the Facebook Graph API with the given string
+ * parameters using an HTTP GET (default method).
+ *
+ * See http://developers.facebook.com/docs/api
+ *
+ *
+ * @param graphPath
+ *            Path to resource in the Facebook graph, e.g., to fetch data
+ *            about the currently logged authenticated user, provide "me",
+ *            which will fetch http://graph.facebook.com/me
+ * @param parameters
+ *            key-value string parameters, e.g. the path "search" with
+ *            parameters "q" : "facebook" would produce a query for the
+ *            following graph resource:
+ *            https://graph.facebook.com/search?q=facebook
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the request has received response
+ * @return FBRequest*
+ *            Returns a pointer to the FBRequest object.
+ */
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                         andParams:(NSMutableDictionary *)params
+                       andDelegate:(id <FBRequestDelegate>)delegate {
+    
+    return [self requestWithGraphPath:graphPath
+                            andParams:params
+                        andHttpMethod:@"GET"
+                          andDelegate:delegate];
+}
+
+/**
+ * Make a request to the Facebook Graph API with the given
+ * HTTP method and string parameters. Note that binary data parameters
+ * (e.g. pictures) are not yet supported by this helper function.
+ *
+ * See http://developers.facebook.com/docs/api
+ *
+ *
+ * @param graphPath
+ *            Path to resource in the Facebook graph, e.g., to fetch data
+ *            about the currently logged authenticated user, provide "me",
+ *            which will fetch http://graph.facebook.com/me
+ * @param parameters
+ *            key-value string parameters, e.g. the path "search" with
+ *            parameters {"q" : "facebook"} would produce a query for the
+ *            following graph resource:
+ *            https://graph.facebook.com/search?q=facebook
+ *            To upload a file, you should specify the httpMethod to be
+ *            "POST" and the “params� you passed in should contain a value
+ *            of the type (UIImage *) or (NSData *) which contains the
+ *            content that you want to upload
+ * @param httpMethod
+ *            http verb, e.g. "GET", "POST", "DELETE"
+ * @param delegate
+ *            Callback interface for notifying the calling application when
+ *            the request has received response
+ * @return FBRequest*
+ *            Returns a pointer to the FBRequest object.
+ */
+- (FBRequest*)requestWithGraphPath:(NSString *)graphPath
+                         andParams:(NSMutableDictionary *)params
+                     andHttpMethod:(NSString *)httpMethod
+                       andDelegate:(id <FBRequestDelegate>)delegate {
+    [self updateSessionIfTokenUpdated];
+    [self extendAccessTokenIfNeeded];
+
+    FBRequest *request = [[FBRequest alloc] initWithSession:self.session
+                                                  graphPath:graphPath
+                                                 parameters:params
+                                                 HTTPMethod:httpMethod];
+    [request setDelegate:delegate];
+    [request startWithCompletionHandler:nil];
+
+    return request;
+}
+
+/**
+ * Generate a UI dialog for the request action.
+ *
+ * @param action
+ *            String representation of the desired method: e.g. "login",
+ *            "feed", ...
+ * @param delegate
+ *            Callback interface to notify the calling application when the
+ *            dialog has completed.
+ */
+- (void)dialog:(NSString *)action
+   andDelegate:(id<FBDialogDelegate>)delegate {
+    NSMutableDictionary * params = [NSMutableDictionary dictionary];
+    [self dialog:action andParams:params andDelegate:delegate];
+}
+
+/**
+ * Generate a UI dialog for the request action with the provided parameters.
+ *
+ * @param action
+ *            String representation of the desired method: e.g. "login",
+ *            "feed", ...
+ * @param parameters
+ *            key-value string parameters
+ * @param delegate
+ *            Callback interface to notify the calling application when the
+ *            dialog has completed.
+ */
+- (void)dialog:(NSString *)action
+     andParams:(NSMutableDictionary *)params
+   andDelegate:(id <FBDialogDelegate>)delegate {
+    
+    [_fbDialog release];
+    
+    NSString *dialogURL = [[FBUtility dialogBaseURL] stringByAppendingString:action];
+    [params setObject:@"touch" forKey:@"display"];
+    [params setObject:kSDKVersion forKey:@"sdk"];
+    [params setObject:kRedirectURL forKey:@"redirect_uri"];
+    
+    if ([action isEqualToString:kLogin]) {
+        [params setObject:@"user_agent" forKey:@"type"];
+        _fbDialog = [[FBLoginDialog alloc] initWithURL:dialogURL loginParams:params delegate:self];
+    } else {
+        [params setObject:_appId forKey:@"app_id"];
+        if ([self isSessionValid]) {
+            [params setValue:[self.accessToken stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]
+                      forKey:@"access_token"];
+            [self extendAccessTokenIfNeeded];
+        }
+        
+        // by default we show dialogs, frictionless cases may have a hidden view
+        BOOL invisible = NO;
+        
+        // frictionless handling for application requests
+        if ([action isEqualToString:kApprequests]) {        
+            // if frictionless requests are enabled
+            if (self.isFrictionlessRequestsEnabled) {
+                //  1. show the "Don't show this again for these friends" checkbox
+                //  2. if the developer is sending a targeted request, then skip the loading screen
+                [params setValue:@"1" forKey:@"frictionless"];	
+                //  3. request the frictionless recipient list encoded in the success url
+                [params setValue:@"1" forKey:@"get_frictionless_recipients"];
+            }
+            
+            // set invisible if all recipients are enabled for frictionless requests
+            id fbid = [params objectForKey:@"to"];
+            if (fbid != nil) {
+                // if value parses as a json array expression get the list that way
+                id fbids = [FBUtility simpleJSONDecode:fbid];
+                if (![fbids isKindOfClass:[NSArray class]]) {
+                    // otherwise separate by commas (handles the singleton case too)
+                    fbids = [fbid componentsSeparatedByString:@","];
+                }                
+                invisible = [self isFrictionlessEnabledForRecipients:fbids];             
+            }
+        }
+        
+        _fbDialog = [[FBDialog alloc] initWithURL:dialogURL
+                                           params:params
+                                  isViewInvisible:invisible
+                             frictionlessSettings:_frictionlessRequestSettings 
+                                         delegate:delegate];
+    }
+    
+    [_fbDialog show];
+}
+
+- (BOOL)isFrictionlessRequestsEnabled {
+    return _frictionlessRequestSettings.enabled;
+}
+
+- (void)enableFrictionlessRequests {
+    [_frictionlessRequestSettings enableWithFacebook:self];
+}
+
+- (void)reloadFrictionlessRecipientCache {
+    [_frictionlessRequestSettings reloadRecipientCacheWithFacebook:self];
+}
+
+- (BOOL)isFrictionlessEnabledForRecipient:(NSString*)fbid {
+    return [_frictionlessRequestSettings isFrictionlessEnabledForRecipient:fbid];
+}
+
+- (BOOL)isFrictionlessEnabledForRecipients:(NSArray*)fbids {
+    return [_frictionlessRequestSettings isFrictionlessEnabledForRecipients:fbids];
+}
+
+/**
+ * @return boolean - whether this object has an non-expired session token
+ */
+- (BOOL)isSessionValid {
+    return (self.accessToken != nil && self.expirationDate != nil
+            && NSOrderedDescending == [self.expirationDate compare:[NSDate date]]);
+    
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+//FBLoginDialogDelegate
+
+/**
+ * Set the authToken and expirationDate after login succeed
+ */
+- (void)fbDialogLogin:(NSString *)token expirationDate:(NSDate *)expirationDate {
+    [_lastAccessTokenUpdate release];
+    _lastAccessTokenUpdate = [[NSDate date] retain];
+    [self reloadFrictionlessRecipientCache];
+    if ([self.sessionDelegate respondsToSelector:@selector(fbDidLogin)]) {
+        [self.sessionDelegate fbDidLogin];
+    }    
+}
+
+/**
+ * Did not login call the not login delegate
+ */
+- (void)fbDialogNotLogin:(BOOL)cancelled {
+    if ([self.sessionDelegate respondsToSelector:@selector(fbDidNotLogin:)]) {
+        [self.sessionDelegate fbDidNotLogin:cancelled];
+    }
+}
+
+#pragma mark - FBRequestDelegate Methods
+// These delegate methods are only called for requests that extendAccessToken initiated
+
+- (void)request:(FBRequest *)request didFailWithError:(NSError *)error {
+    _isExtendingAccessToken = NO;
+    _requestExtendingAccessToken = nil;
+}
+
+- (void)request:(FBRequest *)request didLoad:(id)result {
+    _isExtendingAccessToken = NO;
+    _requestExtendingAccessToken = nil;
+    NSString* accessToken = [result objectForKey:@"access_token"];
+    NSString* expTime = [result objectForKey:@"expires_at"];
+    
+    if (accessToken == nil || expTime == nil) {
+        return;
+    }
+    
+    self.accessToken = accessToken;
+    
+    NSTimeInterval timeInterval = [expTime doubleValue];
+    NSDate *expirationDate = [NSDate distantFuture];
+    if (timeInterval != 0) {
+        expirationDate = [NSDate dateWithTimeIntervalSince1970:timeInterval];
+    }
+    self.expirationDate = expirationDate;
+    [_lastAccessTokenUpdate release];
+    _lastAccessTokenUpdate = [[NSDate date] retain];
+    
+    [self updateSessionIfTokenUpdated];
+    
+    if ([self.sessionDelegate respondsToSelector:@selector(fbDidExtendToken:expiresAt:)]) {
+        [self.sessionDelegate fbDidExtendToken:accessToken expiresAt:expirationDate];
+    }
+}
+
+- (void)request:(FBRequest *)request didLoadRawResponse:(NSData *)data {
+}
+
+- (void)request:(FBRequest *)request didReceiveResponse:(NSURLResponse *)response{
+}
+
+- (void)requestLoading:(FBRequest *)request{
+}
+
++ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key {
+    // these properties must manually notify for KVO    
+    if ([key isEqualToString:FBaccessTokenPropertyName] ||
+        [key isEqualToString:FBexpirationDatePropertyName]) {
+        return NO;
+    } else {
+        return [super automaticallyNotifiesObserversForKey:key];
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDK.h b/Vendor/facebook-ios-sdk/src/FacebookSDK.h
new file mode 100644
index 0000000..af13eae
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDK.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// core
+#import "FBSession.h"
+#import "FBRequest.h"
+#import "FBError.h"
+#import "NSError+FBError.h"
+#import "FBSettings.h"
+#import "FBAppEvents.h"
+#import "FBAppCall.h"
+#import "FBErrorUtility.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBAccessTokenData.h"
+
+// graph
+#import "FBGraphUser.h"
+#import "FBGraphPlace.h"
+#import "FBGraphLocation.h"
+#import "FBGraphObject.h"           // + design summary for graph component-group
+#import "FBOpenGraphAction.h"
+#import "FBOpenGraphObject.h"
+
+// ux
+#import "FBLoginView.h"
+#import "FBProfilePictureView.h"
+#import "FBUserSettingsViewController.h"
+#import "FBPlacePickerViewController.h"
+#import "FBFriendPickerViewController.h"
+#import "FBCacheDescriptor.h"
+#import "FBNativeDialogs.h"         // deprecated, use FBDialogs.h
+#import "FBDialogs.h"
+#import "FBShareDialogParams.h"
+#import "FBOpenGraphActionShareDialogParams.h"
+#import "FBWebDialogs.h"
+#import "FBFrictionlessRecipientCache.h"
+
+// deprecated
+#import "FBInsights.h"
+
+/*!
+ @header
+ 
+ @abstract  Library header, import this to import all of the public types
+            in the Facebook SDK
+ 
+ @discussion
+
+////////////////////////////////////////////////////////////////////////////////
+
+
+ Summary: this header summarizes the structure and goals of the Facebook SDK for iOS.
+ Goals:
+ * Leverage and work well with modern features of iOS (e.g. blocks, ARC, etc.)
+ * Patterned after best of breed iOS frameworks (e.g. naming, pattern-use, etc.)
+ * Common integration experience is simple & easy to describe
+ * Factored to enable a growing list of scenarios over time
+ 
+ Notes on approaches:
+ 1. We use a key scenario to drive prioritization of work for a given update
+ 2. We are building-atop and refactoring, rather than replacing, existing iOS SDK releases
+ 3. We use take an incremental approach where we can choose to maintain as little or as much compatibility with the existing SDK needed
+    a) and so we will be developing to this approach
+    b) and then at push-time for a release we will decide when/what to break
+         on a feature by feature basis
+ 4. Some light but critical infrastructure is needed to support both the goals
+    and the execution of this change (e.g. a build/package/deploy process)
+ 
+ Design points:
+ We will move to a more object-oriented approach, in order to facilitate the
+ addition of a different class of objects, such as controls and visual helpers
+ (e.g. FBLikeView, FBPersonView), as well as sub-frameworks to enable scenarios 
+ such (e.g. FBOpenGraphEntity, FBLocalEntityCache, etc.)
+ 
+ As we add features, it will no longer be appropriate to host all functionality
+ in the Facebook class, though it will be maintained for some time for migration
+ purposes. Instead functionality lives in related collections of classes.
+
+ <pre>
+ @textblock
+ 
+               *------------* *----------*  *----------------* *---*
+  Scenario --> |FBPersonView| |FBLikeView|  | FBPlacePicker  | | F |
+               *------------* *----------*  *----------------* | a |
+               *-------------------*  *----------*  *--------* | c |
+ Component --> |   FBGraphObject   |  | FBDialog |  | FBView | | e |
+               *-------------------*  *----------*  *--------* | b |
+               *---------* *---------* *---------------------* | o |
+      Core --> |FBSession| |FBRequest| |Utilities (e.g. JSON)| | o |
+               *---------* *---------* *---------------------* * k *
+
+ @/textblock
+ </pre>
+
+ The figure above describes three layers of functionality, with the existing
+ Facebook on the side as a helper proxy to a subset of the overall SDK. The
+ layers loosely organize the SDK into *Core Objects* necessary to interface 
+ with Facebook, higher-level *Framework Components* that feel like natural
+ extensions to existing frameworks such as UIKit and Foundation, but which
+ surface behavior broadly applicable to Facebook, and finally the
+ *Scenario Objects*, which provide deeper turn-key capibilities for useful 
+ mobile scenarios.
+ 
+ Use example (low barrier use case):
+
+ <pre>
+ @textblock
+
+// log on to Facebook
+[FBSession sessionOpenWithPermissions:nil
+                    completionHandler:^(FBSession *session, 
+                                        FBSessionState status, 
+                                        NSError *error) {
+                        if (session.isOpen) {
+                            // request basic information for the user
+                            [FBRequestConnection startWithGraphPath:@"me"
+                                                  completionHandler:^void(FBRequestConnection *request, 
+                                                                          id result,
+                                                                          NSError *error) {
+                                                      if (!error) {
+                                                          // get json from result
+                                                      }
+                                                  }];
+                        }
+                    }];
+ @/textblock
+ </pre>
+ 
+ */
+
+#define FB_IOS_SDK_VERSION_STRING @"3.8.0"
+
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.h
new file mode 100644
index 0000000..8c5daea
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "FBIntegrationTests.h"
+
+@interface FBAccessTokenDataTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.m
new file mode 100644
index 0000000..24628e2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAccessTokenDataTests.m
@@ -0,0 +1,360 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FacebookSDK.h"
+#import "FBAccessTokenDataTests.h"
+#import "FBTestBlocker.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBAccessTokenData+Internal.h"
+
+#if defined(FACEBOOKSDK_SKIP_FBACCESSTOKEN_TESTS)
+
+#pragma message ("warning: Skipping FBAccessTokenTests")
+
+#else
+
+typedef void (^VoidBlock)(NSString *keyPath, id object, NSDictionary *change, id context);
+
+// An adapter to provde a KVO delegate that supports block idiom.
+@interface KVOHelper : NSObject {
+    VoidBlock _handler;
+}
+
+- (KVOHelper *) initWithBlock:(VoidBlock) handler;
+
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context;
+
+@end
+
+@implementation KVOHelper
+- (KVOHelper *) initWithBlock:(VoidBlock) handler {
+    if (self = [super init]){
+        _handler = Block_copy(handler);
+    }
+    return self;
+}
+
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
+    _handler(keyPath, object, change, context);
+}
+
+- (void) dealloc {
+    Block_release(_handler);
+    
+    [super dealloc];
+}
+
+@end
+
+@implementation FBAccessTokenDataTests
+
+// Verifies caching and fetching of FBAccessTokenData.
+- (void) testCachingStrategy {
+    FBAccessTokenData *randomToken = [FBAccessTokenData createTokenFromString:@"token"
+                                                                  permissions:[NSArray arrayWithObjects:@"perm1", @"perm2", nil]
+                                                               expirationDate:[NSDate date]
+                                                                    loginType:FBSessionLoginTypeFacebookViaSafari
+                                                                  refreshDate:nil];
+    
+    FBSessionTokenCachingStrategy *cachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+    [cachingStrategy cacheFBAccessTokenData:randomToken];
+    
+    FBAccessTokenData *cachedToken = [cachingStrategy fetchFBAccessTokenData];
+    
+    STAssertEquals(randomToken.accessToken, cachedToken.accessToken, @"accessToken does not match");
+    STAssertEquals(randomToken.loginType, cachedToken.loginType, @"loginType does not match");
+    STAssertTrue([randomToken.permissions isEqualToArray:cachedToken.permissions], @"permissions does not match");
+    STAssertTrue([randomToken.expirationDate isEqualToDate:cachedToken.expirationDate], @"expirationDate does not match");
+}
+
+// Verifies no token fetched when cache is empty.
+- (void) testCachingStrategyWhenEmpty {
+    FBSessionTokenCachingStrategy *cachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+    [cachingStrategy clearToken];
+    
+    FBAccessTokenData *cachedToken = [cachingStrategy fetchFBAccessTokenData];
+    STAssertNil(cachedToken, @"expected nil token but found %@", cachedToken);
+}
+
+// Verifies that session init can read everything as expected from the cache.
+- (void) testCachingStrategyAndSessionInit {
+    NSArray* expectedPermissions = @[@"email", @"publish_stream"];
+    NSDictionary *dictionary = @{
+        FBTokenInformationTokenKey : @"token",
+        FBTokenInformationExpirationDateKey : [NSDate dateWithTimeIntervalSince1970:1893456000],
+        FBTokenInformationPermissionsKey : expectedPermissions,
+        FBTokenInformationLoginTypeLoginKey : [NSNumber numberWithInt:FBSessionLoginTypeFacebookViaSafari],
+        FBTokenInformationRefreshDateKey : [NSDate dateWithTimeIntervalSince1970:1356998400],
+        FBTokenInformationPermissionsRefreshDateKey : [NSDate dateWithTimeIntervalSince1970:1356998401],
+    };
+    
+    FBAccessTokenData *randomToken = [FBAccessTokenData createTokenFromDictionary:dictionary];
+    FBSessionTokenCachingStrategy *cachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+    [cachingStrategy cacheFBAccessTokenData:randomToken];
+    
+    FBSession* session = [[FBSession alloc] initWithAppID:@"appid"
+                                              permissions:@[@"email"]
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    STAssertEquals(FBSessionStateCreatedTokenLoaded, session.state, @"Expected session to have init from cache");
+
+    FBAccessTokenData *fetchedToken = session.accessTokenData;
+
+    STAssertNotNil(fetchedToken, @"Expected session to have token data");
+    
+    STAssertEqualObjects(@"token", fetchedToken.accessToken, @"accessToken does not match");
+    STAssertEqualObjects([NSDate dateWithTimeIntervalSince1970:1893456000], fetchedToken.expirationDate, @"expirationDate does not match");
+    STAssertEqualObjects(expectedPermissions, fetchedToken.permissions, @"permissions does not match");
+    STAssertEquals(FBSessionLoginTypeFacebookViaSafari, fetchedToken.loginType, @"loginType does not match");
+    STAssertEqualObjects([NSDate dateWithTimeIntervalSince1970:1356998400], fetchedToken.refreshDate, @"refreshDate does not match");
+    STAssertEqualObjects([NSDate dateWithTimeIntervalSince1970:1356998401], fetchedToken.permissionsRefreshDate, @"permissionsRefreshDate does not match");
+}
+// Verifies that session init can read everything as expected from the cache for old cache entries that use isFacebookLogin
+- (void) testCachingStrategyAndSessionInit_IsFacebookLogin {
+    NSArray* expectedPermissions = @[@"email", @"publish_stream"];
+    NSDictionary *dictionary = @{
+    FBTokenInformationTokenKey : @"token",
+    FBTokenInformationExpirationDateKey : [NSDate dateWithTimeIntervalSince1970:1893456000],
+    FBTokenInformationPermissionsKey : expectedPermissions,
+    FBTokenInformationIsFacebookLoginKey : [NSNumber numberWithBool:YES],
+    FBTokenInformationRefreshDateKey : [NSDate dateWithTimeIntervalSince1970:1356998400]
+    };
+    
+    FBAccessTokenData *randomToken = [FBAccessTokenData createTokenFromDictionary:dictionary];
+    FBSessionTokenCachingStrategy *cachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+    [cachingStrategy cacheFBAccessTokenData:randomToken];
+    
+    FBSession* session = [[FBSession alloc] initWithAppID:@"appid"
+                                              permissions:@[@"email"]
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    STAssertEquals(FBSessionStateCreatedTokenLoaded, session.state, @"Expected session to have init from cache");
+    
+    FBAccessTokenData *fetchedToken = session.accessTokenData;
+    
+    STAssertNotNil(fetchedToken, @"Expected session to have token data");
+    
+    STAssertEqualObjects(@"token", fetchedToken.accessToken, @"accessToken does not match");
+    STAssertEqualObjects([NSDate dateWithTimeIntervalSince1970:1893456000], fetchedToken.expirationDate, @"expirationDate does not match");
+    STAssertEqualObjects(expectedPermissions, fetchedToken.permissions, @"permissions does not match");
+    STAssertEquals(FBSessionLoginTypeFacebookApplication, fetchedToken.loginType, @"loginType does not match - this should have been set based on isFacebookLogin cache entry");
+    STAssertEqualObjects([NSDate dateWithTimeIntervalSince1970:1356998400], fetchedToken.refreshDate, @"refreshDate does not match");
+}
+// Verifies nil when not providing a token string.
+- (void) testRequiredParameters {
+    STAssertNil([FBAccessTokenData createTokenFromString:@""
+                                                permissions:nil
+                                             expirationDate:nil
+                                                  loginType:FBSessionLoginTypeNone
+                                                refreshDate:nil],
+                   @"expected nil token");
+    STAssertNil([FBAccessTokenData createTokenFromString:nil
+                                             permissions:nil
+                                          expirationDate:nil
+                                               loginType:FBSessionLoginTypeNone
+                                             refreshDate:nil],
+                @"expected nil token");
+
+}
+
+- (void) testSessionOpenFromCacheWithKVO {
+    // Stuff a random token into the cache. Note it doesn't have to be real since we won't issue any real requests
+    // with it.
+    NSDate *date = [NSDate distantFuture];
+    FBAccessTokenData *randomToken = [FBAccessTokenData createTokenFromString:@"token"
+                                                                  permissions:[NSArray arrayWithObjects:@"perm1", @"perm2", nil]
+                                                               expirationDate:date
+                                                                    loginType:FBSessionLoginTypeFacebookViaSafari
+                                                                  refreshDate:nil];
+    FBSessionTokenCachingStrategy *cachingStrategy = [FBSessionTokenCachingStrategy defaultInstance];
+    [cachingStrategy cacheFBAccessTokenData:randomToken];
+    
+    // Now init a new session instance and attach KVO behavior.
+    FBSession* target = [[FBSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceNone urlSchemeSuffix:nil tokenCacheStrategy:nil];
+    
+    
+    // Build a dictionary of expected kvo values that we will remove when encountered.
+    NSMutableDictionary *expectedKvoValues = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+                                              [NSNumber numberWithInt:FBSessionStateOpen], @"state",
+                                              [NSNumber numberWithBool:YES], @"isOpen",
+                                              nil];
+
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] initWithExpectedSignalCount:[expectedKvoValues count]] autorelease];
+    KVOHelper* kvoHelper = [[KVOHelper alloc] initWithBlock:^(NSString *keyPath, id object, NSDictionary *change, id context) {
+        STAssertEqualObjects(expectedKvoValues[keyPath], change[NSKeyValueChangeNewKey], @"value did not match expected for %@",keyPath);
+        [expectedKvoValues removeObjectForKey:keyPath];
+        
+        [blocker signal];
+    }];
+    
+    // Note we only observe isOpen and state since the other notable KVO vars were changed
+    // during init (since this test case is initializing from cache).
+    [target addObserver:kvoHelper forKeyPath:@"isOpen" options:NSKeyValueObservingOptionNew context:nil];
+    [target addObserver:kvoHelper forKeyPath:@"state" options:NSKeyValueObservingOptionNew context:nil];
+    
+    // Now open the session and it should transition to open (and hit our kvo helper block for each keypath)
+    [target openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        STAssertNil(error, @"Unexpected error in session state change handler: %@", error);
+    }];
+    
+    // Wait until we get the expected KVO events finish.
+    STAssertTrue([blocker waitWithTimeout:60], @"blocked timed out when it should have been signalled awake. Still expecting %@", expectedKvoValues);
+    
+    [target removeObserver:kvoHelper forKeyPath:@"state"];
+    [target removeObserver:kvoHelper forKeyPath:@"isOpen"];
+    
+    [target release];
+    [kvoHelper release];
+    [expectedKvoValues release];
+}
+
+- (void) testSessionOpenThenReauthThenCloseWithKVO {
+    // Create a session and attach KVO observer.
+    FBTestSession *target = [[FBTestSession sessionWithPrivateUserWithPermissions:nil] retain];
+    
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    
+    __block int expectedState = 0; // simple state flag, 0 = opening, 1 = request new permissions, 2 = closing.
+    
+    // Build a dictionary of expected # of kvo occurences per path
+    NSMutableDictionary *expectedKvoValuesForOpening =
+        [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+         @2, @"state",
+         @1, @"isOpen",
+         @1, @"expirationDate",
+         @1, @"accessToken",
+         @1, @"accessTokenData",
+         nil];
+    NSMutableDictionary *expectedKvoValuesForNewPermissions =
+        [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+         @1, @"state",
+         @1, @"expirationDate",
+         @1, @"accessToken",
+         @1, @"accessTokenData",
+         nil];
+    NSMutableDictionary *expectedKvoValuesForClosing =
+        [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+         @1, @"state",
+         @1, @"isOpen",
+         @1, @"expirationDate",
+         @1, @"accessToken",
+         @1, @"accessTokenData",
+         nil];
+    
+    __block NSMutableString *expectedToken = nil;
+    
+    // Essentially this kvoHelper will perform the expect kvo verification
+    // by checking off the expected occurences from the dictionary which
+    // is based upon the current state transition.
+    KVOHelper* kvoHelper = [[KVOHelper alloc] initWithBlock:^(NSString *keyPath, id object, NSDictionary *change, id context) {
+        // Use the appropriate dictionary.
+        NSMutableDictionary* dictionaryPointer = (expectedState == 0) ? expectedKvoValuesForOpening :
+        (expectedState == 1) ? expectedKvoValuesForNewPermissions : expectedKvoValuesForClosing;
+        
+        // Count off the occurence, and remove it if it's done.
+        NSNumber* count = dictionaryPointer[keyPath];
+        if (!count || [count intValue] <= 0){
+            STFail(@"unexpected KVO for of %@ (%@) in state %d", keyPath, change, expectedState);
+        } else {
+            int newCount = [count intValue] - 1;
+            if (newCount == 0) {
+                [dictionaryPointer removeObjectForKey:keyPath];
+            } else {
+                [dictionaryPointer setObject:[NSNumber numberWithInt:newCount] forKey:keyPath];
+            }
+        }
+        
+        // Now do specific inspection for certain states.
+        switch (expectedState) {
+            // For unit test simplicity we only inspect the access tokens key in depth.
+            case 0:
+                if ([keyPath isEqualToString:@"accessToken"]){
+                    if (expectedToken == nil) {
+                        expectedToken = [[NSMutableString stringWithString:change[NSKeyValueChangeNewKey]] retain];
+                    } else {
+                        STAssertTrue([expectedToken isEqualToString:change[NSKeyValueChangeNewKey]], @"accessToken did not match token provided from accessTokenData");
+                    }
+                } else if ([keyPath isEqualToString:@"accessTokenData"]){
+                    if (expectedToken == nil) {
+                        expectedToken = [[NSMutableString stringWithString:((FBAccessTokenData *) change[NSKeyValueChangeNewKey]).accessToken] retain];
+                    } else {
+                        STAssertTrue([expectedToken isEqualToString:((FBAccessTokenData *)change[NSKeyValueChangeNewKey]).accessToken], @"accessTokenData %@ did not match token provided from accessToken %@", change[NSKeyValueChangeNewKey], expectedToken);
+                    }
+                }
+                break;
+            case 1:
+                if ([keyPath isEqualToString:@"accessToken"]) {
+                    STAssertTrue([expectedToken isEqualToString:change[NSKeyValueChangeNewKey]], @"token changed after reauth");
+                } else if ([keyPath isEqualToString:@"state"]) {
+                    STAssertEqualObjects([NSNumber numberWithInt:FBSessionStateOpenTokenExtended], change[NSKeyValueChangeNewKey], @"unexpected state");
+                }
+                break;
+            case 2:
+                if ([keyPath isEqualToString:@"state"]){
+                    STAssertEqualObjects([NSNumber numberWithInt:FBSessionStateClosed], change[NSKeyValueChangeNewKey], @"expected state to be closed");
+                } else if ([keyPath isEqualToString:@"isOpen"]) {
+                    STAssertEqualObjects([NSNumber numberWithBool:NO], change[NSKeyValueChangeNewKey], @"expected state to be closed");
+                } else {
+                    STAssertEqualObjects([NSNull null], change[NSKeyValueChangeNewKey], @"expected null for %@", keyPath);
+                }
+                break;
+        }
+    }];
+
+    [target addObserver:kvoHelper forKeyPath:@"isOpen" options:NSKeyValueObservingOptionNew context:nil];
+    [target addObserver:kvoHelper forKeyPath:@"state" options:NSKeyValueObservingOptionNew context:nil];
+    [target addObserver:kvoHelper forKeyPath:@"accessTokenData" options:NSKeyValueObservingOptionNew context:nil];
+    [target addObserver:kvoHelper forKeyPath:@"accessToken" options:NSKeyValueObservingOptionNew context:nil];
+    [target addObserver:kvoHelper forKeyPath:@"expirationDate" options:NSKeyValueObservingOptionNew context:nil];
+
+    // Open the session and verify kvo
+    [target openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        [blocker signal];
+    }];
+    [blocker wait];
+    STAssertTrue(target.isOpen, @"Session should be open, and is not");
+    STAssertTrue([expectedKvoValuesForOpening count] == 0, @"There were still expected KVO events that did not occur: %@", expectedKvoValuesForOpening);
+
+    // Now do a reauth and verify kvo
+    expectedState = 1;
+    [target requestNewPublishPermissions:[NSArray arrayWithObject:@"publish_action"] defaultAudience:FBSessionDefaultAudienceOnlyMe completionHandler:^(FBSession *session, NSError *error) {
+        STAssertNil(error, @"unexpected error for new permissions:%@", error);
+        [blocker signal];
+    }];
+    [blocker wait];
+    STAssertTrue([expectedKvoValuesForNewPermissions count] == 0, @"There were still expected KVO events that did not occur: %@", expectedKvoValuesForNewPermissions);
+    
+    // Now we close the session and verify the kvo again.
+    expectedState = 2;
+    [target close];
+    STAssertTrue([expectedKvoValuesForClosing count] == 0, @"There were still expected KVO events that did not occur: %@", expectedKvoValuesForClosing);
+                              
+    [target removeObserver:kvoHelper forKeyPath:@"state"];
+    [target removeObserver:kvoHelper forKeyPath:@"isOpen"];
+    [target removeObserver:kvoHelper forKeyPath:@"expirationDate"];
+    [target removeObserver:kvoHelper forKeyPath:@"accessToken"];
+    [target removeObserver:kvoHelper forKeyPath:@"accessTokenData"];
+
+    [expectedToken release];
+    [target release];
+    [expectedKvoValuesForClosing release];
+    [expectedKvoValuesForNewPermissions release];
+    [expectedKvoValuesForOpening release];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.h
new file mode 100644
index 0000000..3ed98d8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIntegrationTests.h"
+
+@interface FBAppEventsIntegrationTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.m
new file mode 100644
index 0000000..a515606
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBAppEventsIntegrationTests.m
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <OCMock/OCMock.h>
+#import "FBAppEventsIntegrationTests.h"
+#import "Facebook.h"
+#import "FBAppEvents+Internal.h"
+#import "FBTestBlocker.h"
+#import "FBUtility.h"
+#import <objc/objc-runtime.h>
+
+@interface FBAppEventsIntegrationTests() {
+    id _mockFBUtility;
+    Method _originalPublishInstall;
+    Method _swizzledPublishInstall;
+
+    Method _originalLogEvent;
+    Method _swizzledLogEvent;
+}
+@end
+
+static int publishInstallCount = 0;
+static NSString *loggedEvent = nil;
+
+@implementation FBAppEventsIntegrationTests
+
+- (void)setUp {
+    [super setUp];
+    // Before every test, mock the FBUtility class to return a nil
+    // advertiserID because the `[[ advertisingIdentifier] UUIDString]` call likes to hang.
+    _mockFBUtility = [[OCMockObject mockForClass:[FBUtility class]] retain];
+    [[[_mockFBUtility stub] andReturn:nil] advertiserID];
+}
+
+- (void)tearDown {
+    [super tearDown];
+    [_mockFBUtility release];
+    _mockFBUtility = nil;
+}
+
++ (void)publishInstallCounter:(NSString *)appID {
+  publishInstallCount++;
+}
+
++ (void)logEvent:(NSString *)eventName {
+  [loggedEvent release];
+  loggedEvent = [eventName retain];
+}
+
+// Ensure session is not closed by a bogus app event log.
+-(void) testSessionNotClosed {
+    // *** COPY-PASTA README *** read this if you are copying tests for FBAppEvents!
+    // Configure OCMock of FBAppEvents to expect handleActivitiesPostCompletion: instead of instanceFlush: because
+    // 1. [OCMArg any] does not work for primitives
+    //   (especially for methods that only take a primitive argument. Even the 2.2 update with ignoringNonObjectArgs does not work).
+    // 2. We want to wait for the end of handleActivitiesPostCompletion to make sure other tests are started
+    //  before the flush finishes (otherwise, there are logs "in-flight" that may block other tests' flush).
+    id appEventsSingletonMock = [OCMockObject partialMockForObject:[FBAppEvents singleton]];
+    [[appEventsSingletonMock expect] handleActivitiesPostCompletion:[OCMArg any]
+                                                       loggingEntry:[OCMArg any]
+                                                            session:[OCMArg checkWithBlock:^BOOL(id obj) {
+        FBSession *session = (FBSession *)obj;
+        NSLog(@"verifying session:%@", session);
+                                                                        //session should remain open.
+                                                                        return session.isOpen;
+                                                                    }]
+     ];
+    
+    FBAccessTokenData *accessToken = [FBAccessTokenData createTokenFromString:@"bogustoken"
+                                                                  permissions:nil
+                                                               expirationDate:nil
+                                                                    loginType:FBSessionLoginTypeFacebookApplication
+                                                                  refreshDate:nil];
+    FBSession *session = [[[FBSession alloc] initWithAppID:@"appid"
+                                              permissions:nil
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]] autorelease];
+    [session openFromAccessTokenData:accessToken completionHandler:nil];
+    
+    STAssertTrue(session.isOpen, @"Unable to verify test, session should be open");
+    
+    [FBAppEvents logEvent:@"some_event" valueToSum:nil parameters:nil session:session];
+    [FBAppEvents flush];
+    
+    [FBTestBlocker waitForVerifiedMock:appEventsSingletonMock delay:5.0];
+  
+    [appEventsSingletonMock stopMocking];
+}
+
+-(void) testUpdateParametersWithEventUsageLimitsAndBundleInfo {
+    NSMutableDictionary *parameters = [NSMutableDictionary dictionary];
+  
+    // default should set 1 for the app setting.
+    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+    [defaults removeObjectForKey:@"com.facebook.sdk:FBAppEventsLimitEventUsage"];
+    [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:parameters];
+    STAssertTrue([parameters[@"application_tracking_enabled"] isEqualToString:@"1"], @"app tracking should default to 1");
+  
+    // when limited, app tracking is 0.
+    [parameters removeAllObjects];
+    FBAppEvents.limitEventUsage = YES;
+    [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:parameters];
+    STAssertTrue([parameters[@"application_tracking_enabled"] isEqualToString:@"0"], @"app tracking should be 0 when event usage is limited");
+  
+    // when explicitly unlimited, app tracking is 1.
+    [parameters removeAllObjects];
+    FBAppEvents.limitEventUsage = NO;
+    [FBUtility updateParametersWithEventUsageLimitsAndBundleInfo:parameters];
+    STAssertTrue([parameters[@"application_tracking_enabled"] isEqualToString:@"1"], @"app tracking should be 1 when event usage is explicitly unlimited");
+}
+
+-(void) testActivateApp {
+    // swizzle out the underlying calls.
+    _originalPublishInstall = class_getClassMethod([FBSettings class], @selector(publishInstall:));
+    _swizzledPublishInstall = class_getClassMethod([self class], @selector(publishInstallCounter:));
+    method_exchangeImplementations(_originalPublishInstall, _swizzledPublishInstall);
+
+    _originalLogEvent = class_getClassMethod([FBAppEvents class], @selector(logEvent:));
+    _swizzledLogEvent = class_getClassMethod([self class], @selector(logEvent:));
+    method_exchangeImplementations(_originalLogEvent, _swizzledLogEvent);
+  
+    publishInstallCount = 0;
+    loggedEvent = nil;
+  
+    [FBSettings setDefaultAppID:@"appid"];
+    [FBAppEvents activateApp];
+    STAssertTrue(publishInstallCount == 1, @"publishInstall was not triggered by activateApp");
+    STAssertTrue([@"fb_mobile_activate_app" isEqualToString:loggedEvent], @"activate app event not logged by activateApp call!");
+  
+    [loggedEvent release];
+    loggedEvent = nil;
+  
+    method_exchangeImplementations(_swizzledPublishInstall, _originalPublishInstall);
+    _originalPublishInstall = nil;
+    _swizzledPublishInstall = nil;
+  
+    method_exchangeImplementations(_swizzledLogEvent, _originalLogEvent);
+    _originalLogEvent = nil;
+    _swizzledLogEvent = nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.h
new file mode 100644
index 0000000..d14af3d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBIntegrationTests.h"
+
+@interface FBBatchRequestIntegrationTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.m
new file mode 100644
index 0000000..4c44b20
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBBatchRequestIntegrationTests.m
@@ -0,0 +1,351 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAccessTokenData.h"
+#import "FBBatchRequestIntegrationTests.h"
+#import "FBTestSession.h"
+#import "FBRequestConnection.h"
+#import "FBRequest.h"
+#import "FBTestBlocker.h"
+#import "FBGraphUser.h"
+#import "FBSessionTokenCachingStrategy.h"
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+#if defined(FACEBOOKSDK_SKIP_BATCH_REQUEST_TESTS)
+
+#pragma message ("warning: Skipping FBBatchRequestTests")
+
+#else
+
+@implementation FBBatchRequestIntegrationTests
+
+- (void)testBatchingTwoSearches
+{
+    CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(38.889468, -77.03524);
+    FBRequest *request1 = [FBRequest requestForPlacesSearchAtCoordinate:coordinate 
+                                                         radiusInMeters:100 
+                                                           resultsLimit:5 
+                                                             searchText:@"Lincoln Memorial"];
+    [request1 setSession:self.defaultTestSession];
+    FBRequest *request2 = [FBRequest requestForPlacesSearchAtCoordinate:coordinate 
+                                                         radiusInMeters:100 
+                                                           resultsLimit:5 
+                                                             searchText:@"Washington Monument"];
+    [request2 setSession:self.defaultTestSession];
+
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+
+    [connection addRequest:request1 completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+    [connection addRequest:request2 completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+         
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testDifferentAccessTokens
+{
+    FBTestSession *session1 = self.defaultTestSession;
+    FBTestSession *session2 = [self getSessionWithSharedUserWithPermissions:nil
+                                                              uniqueUserTag:kSecondTestUserTag];
+    
+    FBRequest *request1 = [[[FBRequest alloc] initWithSession:session1
+                                                    graphPath:@"me"]
+                           autorelease];
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:session2
+                                                    graphPath:@"me"]
+                           autorelease];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [connection addRequest:request1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             id<FBGraphUser> user = result;
+             STAssertTrue([user.id isEqualToString:self.defaultTestSession.testUserID], @"wrong user");
+         }];
+    [connection addRequest:request2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             id<FBGraphUser> user = result;
+             STAssertTrue([user.id isEqualToString:session2.testUserID], @"wrong user");
+             
+             [blocker signal];
+         }];
+    
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testBatchWithValidSessionAndNoSession
+{
+    FBRequest *request1 = [[[FBRequest alloc] initWithSession:self.defaultTestSession
+                                                    graphPath:@"me"]
+                           autorelease];
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:nil
+                                                    graphPath:@"zuck"]
+                           autorelease];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [connection addRequest:request1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+         }];
+    [connection addRequest:request2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             [blocker signal];
+         }];
+    
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testBatchWithNoSessionAndValidSession
+{
+    FBRequest *request1 = [[[FBRequest alloc] initWithSession:nil
+                                                    graphPath:@"zuck"]
+                           autorelease];
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:self.defaultTestSession
+                                                    graphPath:@"me"]
+                           autorelease];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [connection addRequest:request1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+         }];
+    [connection addRequest:request2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             [blocker signal];
+         }];
+    
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testBatchWithTwoSessionlessRequestsAndDefaultAppID
+{
+    // Only use this to get the unit-testing app ID.
+    FBTestSession *session = self.defaultTestSession;
+    [FBSession setDefaultAppID:session.testAppID];
+    
+    FBRequest *request1 =[[[FBRequest alloc] initWithSession:nil
+                                                   graphPath:@"zuck"]
+                          autorelease];
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:nil
+                                                    graphPath:@"zuck"]
+                           autorelease];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [connection addRequest:request1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+         }];
+    [connection addRequest:request2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             [blocker signal];
+         }];
+    
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testMixedSuccessAndFailure
+{
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+
+    const int kNumRequests = 8;
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:kNumRequests];
+
+    for (int i = 0; i < kNumRequests; ++i) {
+        BOOL success = (i % 2) == 1;
+        FBRequest *request = [[[FBRequest alloc] initWithSession:self.defaultTestSession
+                                                       graphPath:success ? @"me" : @"-1"]
+                              autorelease];
+        [connection addRequest:request 
+             completionHandler:success ? 
+                [self handlerExpectingSuccessSignaling:blocker] :
+                [self handlerExpectingFailureSignaling:blocker]];
+    }
+
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testBatchUploadPhoto
+{
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:[NSArray arrayWithObject:@"user_photos"]];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:4];
+    
+    const int image1Size = 120;
+    const int image2Size = 150;
+    
+    FBRequest *uploadRequest1 = [FBRequest requestForUploadPhoto:[self createSquareTestImage:image1Size]];
+    [uploadRequest1 setSession:session];
+    [connection addRequest:uploadRequest1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             [blocker signal];
+         }
+         batchEntryName:@"uploadRequest1"];
+
+    FBRequest *uploadRequest2 = [FBRequest requestForUploadPhoto:[self createSquareTestImage:image2Size]];
+    [uploadRequest2 setSession:session];
+    [connection addRequest:uploadRequest2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             [blocker signal];
+         }
+         batchEntryName:@"uploadRequest2"];
+
+    FBRequest *getRequest1 = [[FBRequest alloc] initWithSession:session 
+                                                      graphPath:@"{result=uploadRequest1:$.id}"
+                                                     parameters:nil
+                                                     HTTPMethod:nil];
+    [connection addRequest:getRequest1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+             
+             NSDecimalNumber *width = [result objectForKey:@"width"];
+             STAssertNotNil(width, @"couldn't get width");
+             STAssertTrue(image1Size == (int)[width doubleValue], @"wrong width");
+             NSLog(@"%@", width);
+
+             [blocker signal];
+         }]; 
+    FBRequest *getRequest2 = [[FBRequest alloc] initWithSession:session 
+                                                      graphPath:@"{result=uploadRequest2:$.id}"
+                                                     parameters:nil
+                                                     HTTPMethod:nil];
+    [connection addRequest:getRequest2 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertTrue(!error, @"!error");
+             STAssertNotNil(result, @"nil result");
+
+             NSDecimalNumber *width = [result objectForKey:@"width"];
+             STAssertNotNil(width, @"couldn't get width");
+             STAssertTrue(image2Size == (int)[width doubleValue], @"wrong width");
+             NSLog(@"%@", width);
+             
+             [blocker signal];
+         }];
+
+    [connection start];
+    [blocker wait];
+    
+    [connection release];
+    [blocker release];
+}
+
+- (void)testBatchParametersOmitResponseOnSuccess {
+    FBTestSession *session = [self defaultTestSession];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+    // Note these ids are significant in that they are ids of other test users. Since we use FBTestSession
+    // above (which will have a platform test user access token), the ids need to be objects that are visible
+    // to the platform test user (such as other test users).
+    FBRequest *parent = [[[FBRequest alloc] initWithSession:session graphPath:@"?ids=100006424828400,100006675870174"] autorelease];
+    [connection addRequest:parent
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNil(error, @"unexpected error in parent request :%@", error);
+             STAssertNotNil(result, @"expected parent results since we said to include response");
+             [blocker signal];
+         } batchParameters:@{@"name":@"getactions", @"omit_response_on_success":@(NO)}];
+    
+    FBRequest *child = [[[FBRequest alloc] initWithSession:session graphPath:@"?ids={result=getactions:$.*.id}"] autorelease];
+    [connection addRequest:child
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNil(error, @"unexpected error in child request :%@", error);
+             STAssertNotNil(result, @"expected results");
+             [blocker signal];
+         } batchEntryName:nil];
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:60], @"blocker timed out");
+}
+
+- (void)testBatchParametersDependsOn {
+    FBTestSession *session = [self defaultTestSession];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+
+    // Set up a parent request to an invalid graph path that will result in an error.
+    FBRequest *parent = [[[FBRequest alloc] initWithSession:session graphPath:@"invalidpath"] autorelease];
+    [connection addRequest:parent
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNotNil(error, @"expected error in parent request but did not get one.");
+             [blocker signal];
+         } batchParameters:@{@"name":@"parent"}];
+    
+    // The child request does not have an implicit dependency on the parent, but we will test it
+    // by adding the depends_on explicitly and verifying that the child response has no data (nor error).
+    // "If the parent operation execution results in an error, then the subsequent operation is not executed"
+    // (see https://developers.facebook.com/docs/reference/api/batch/)
+    FBRequest *child = [[[FBRequest alloc] initWithSession:session graphPath:@"?ids=4,6"] autorelease];
+    [connection addRequest:child
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNil(error, @"unexpected error in child request :%@", error);
+             STAssertNil(result, @"unexpected results in child request %@", result);
+             [blocker signal];
+         } batchParameters:@{@"depends_on":@"parent"}];
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:60], @"blocker timed out");
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.h
new file mode 100644
index 0000000..4e1d4a0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBCacheIndex.h"
+#import "FBDataDiskCache.h"
+#import "FBIntegrationTests.h"
+
+@interface FBCacheIntegrationTests : FBIntegrationTests<FBCacheIndexFileDelegate>
+{
+    NSString* _dataCachePath;
+}
+
+@property (retain, nonatomic) NSString* dataCachePath;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.m
new file mode 100644
index 0000000..b4bed10
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBCacheIntegrationTests.m
@@ -0,0 +1,440 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBCacheIntegrationTests.h"
+#import "FBDataDiskCache.h"
+#import "FBCacheIndex.h"
+#import "FBTests.h"
+#import "FBTestBlocker.h"
+#import "FBCacheDescriptor.h"
+#import "FBFriendPickerViewController+Internal.h"
+#import "FBFriendPickerViewController.h"
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBRequestConnection+Internal.h"
+
+#if defined(FACEBOOKSDK_SKIP_CACHE_TESTS)
+
+#pragma message ("warning: Skipping FBCacheTests")
+
+#else
+
+@class FBCacheEntityInfo;
+
+static NSString* nameForTestCache() 
+{
+    CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);
+    NSString *uuidString = 
+        (NSString*)CFUUIDCreateString(kCFAllocatorDefault, uuid);
+
+    CFRelease(uuid);
+    NSString *result = [NSString stringWithFormat:@"test_cache-%@",uuidString];
+
+    [uuidString release];
+    return result;
+}
+
+static FBCacheIndex* initTempCacheIndex(
+    FBCacheIntegrationTests* testInstance, 
+    NSString** tempFolder)
+{
+    NSString* tmp = [NSTemporaryDirectory() 
+        stringByAppendingPathComponent:nameForTestCache()];
+    [[NSFileManager defaultManager] 
+        createDirectoryAtPath:tmp 
+        withIntermediateDirectories:YES 
+        attributes:nil 
+        error:nil];
+        
+    FBCacheIndex *cacheIndex = [[FBCacheIndex alloc] initWithCacheFolder:tmp];
+    cacheIndex.delegate = testInstance;
+    testInstance.dataCachePath = tmp;
+    
+    *tempFolder = tmp;
+    return cacheIndex;
+}
+
+@implementation FBCacheIntegrationTests
+{
+    dispatch_queue_t _fileQueue;
+}
+
+@synthesize dataCachePath = _dataCachePath;
+
+#pragma mark - Setup/Teardown
+
+- (void)setUp
+{
+    [super setUp];
+
+    dispatch_queue_t bgPriQueue = 
+        dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0);
+    _fileQueue = dispatch_queue_create(
+        "File Cache Queue", 
+        DISPATCH_QUEUE_SERIAL);
+    dispatch_set_target_queue(_fileQueue, bgPriQueue);
+
+}
+
+- (void)tearDown
+{
+    [super tearDown];
+}
+
+#pragma mark - FBCacheIndexFileDelegate
+
+- (void)cacheIndex:(FBCacheIndex*)cacheIndex
+    writeFileWithName:(NSString*)name 
+    data:(NSData*)data
+{
+    NSString* path =
+        [_dataCachePath stringByAppendingPathComponent:name];
+        
+    dispatch_async(_fileQueue, ^{
+        [data writeToFile:path atomically:YES];
+    });
+}
+
+- (void)cacheIndex:(FBCacheIndex*)cacheIndex
+    deleteFileWithName:(NSString*)name
+{
+    NSString* filePath = [_dataCachePath stringByAppendingPathComponent:name];
+    dispatch_async(_fileQueue, ^{
+        [[NSFileManager defaultManager]
+            removeItemAtPath:filePath
+            error:nil];
+    });
+}
+
+#pragma mark - Test methods
+
+- (void)testStoreAndRetrieve
+{
+    FBDataDiskCache* cache = [FBDataDiskCache sharedCache];
+
+    NSData* data = [@"Test Data" dataUsingEncoding:NSUTF8StringEncoding];
+    NSURL* url = [NSURL URLWithString:@"http://www.facebook.com/test/url1"];
+    [cache setData:data forURL:url];
+    
+    NSData* readData = [cache dataForURL:url];
+    STAssertTrue([readData isEqualToData:data], @"Data equality fail.");
+}
+
+- (void)testDeleteAndRetrieve
+{
+    FBDataDiskCache* cache = [FBDataDiskCache sharedCache];
+
+    NSData* data = [@"Test Data" dataUsingEncoding:NSUTF8StringEncoding];
+    NSURL* url = [NSURL URLWithString:@"http://www.facebook.com/test/url2"];
+    [cache setData:data forURL:url];
+    [cache removeDataForUrl:url];
+    
+    NSData* readData = [cache dataForURL:url];
+    STAssertNil(readData, @"Data should be removed.");
+}
+
+- (void)testCacheIndex
+{
+    NSString* tempFolder;
+    FBCacheIndex* cacheIndex = initTempCacheIndex(self, &tempFolder);
+    cacheIndex.diskCapacity = 100000; // prevent trimming for this simple test
+    
+    NSString* dummy = [@"" 
+        stringByPaddingToLength:100 
+        withString:@"1" 
+        startingAtIndex:0];
+
+    NSData* dummyData = [dummy dataUsingEncoding:NSUTF8StringEncoding];
+    NSString* fileName = 
+        [cacheIndex storeFileForKey:@"test1" withData:dummyData];
+    NSString* filePath = [tempFolder stringByAppendingPathComponent:fileName];
+    
+    // Flush the write queue
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+
+    __block FBCacheEntityInfo *info = nil;
+    dispatch_sync(cacheIndex.databaseQueue, ^{
+        info = [cacheIndex performSelector:@selector(_readEntryFromDatabase:) withObject:@"test1"];
+    });
+
+    STAssertNotNil(info, @"Index not written to disk!");
+    STAssertEquals(
+        cacheIndex.currentDiskUsage, 
+        dummyData.length, 
+        @"Cache disk usage incorrect");
+
+    // Flush background databaseQueue
+    dispatch_sync(_fileQueue, ^{});
+
+    BOOL fileExists = 
+        [[NSFileManager defaultManager] fileExistsAtPath:filePath];
+    STAssertTrue(fileExists, @"File not written to disk");
+
+    // Delete the entry
+    [cacheIndex removeEntryForKey:@"test1"];
+    
+    // Flush the write queue
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+    dispatch_sync(_fileQueue, ^{});
+
+    fileExists = [[NSFileManager defaultManager] fileExistsAtPath:filePath];
+    STAssertFalse(fileExists, @"File not deleted on removal");
+    
+    NSString* entry = [cacheIndex fileNameForKey:@"test1"];
+    STAssertNil(entry, @"Entry not removed");
+
+    [cacheIndex release];
+    [[NSFileManager defaultManager] removeItemAtPath:tempFolder error:NULL];
+}
+
+- (void)testCacheIndexFailsInitWithBadPath {
+    FBCacheIndex *cacheIndex = [[FBCacheIndex alloc] initWithCacheFolder:@"/no/such/folder"];
+    STAssertNil(cacheIndex, @"initWithCacheFolder should fail");
+}
+
+- (void)testDataPersistence
+{
+    const NSUInteger numberOfFiles = 100;
+    const NSUInteger fileSize = 1000;
+
+    NSString* tempFolder;
+    FBCacheIndex* cacheIndex = initTempCacheIndex(self, &tempFolder);
+    cacheIndex.diskCapacity = numberOfFiles * fileSize;
+    
+    NSString *dummy = [@"" 
+        stringByPaddingToLength:fileSize 
+        withString:@"1" startingAtIndex:0];
+        
+    NSData *dummyData = [dummy 
+        dataUsingEncoding:NSUTF8StringEncoding];
+    for (NSUInteger counter = 0; counter < numberOfFiles; counter++) {
+        NSString *fileName = [cacheIndex 
+            storeFileForKey:[NSString stringWithFormat:@"test%lu", (unsigned long)counter]
+            withData:dummyData];    
+        STAssertNotNil(fileName, @"");
+    }
+
+    // Wait for the queue to finish
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+    STAssertEquals(
+        cacheIndex.currentDiskUsage, 
+        fileSize*numberOfFiles, 
+        @"Disk usage computed incorrectly");
+
+    // Now recreate the queue and ensure the disk size is still right
+    [cacheIndex release];
+    cacheIndex = [[FBCacheIndex alloc] initWithCacheFolder:tempFolder];
+    cacheIndex.delegate = self;
+
+    // Wait for the queue to finish
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+    dispatch_sync(_fileQueue, ^{});
+    STAssertEquals(
+        cacheIndex.currentDiskUsage, 
+        fileSize*numberOfFiles, 
+        @"Disk usage computed incorrectly");
+
+    // test that the data is still there 
+    for (int counter = 0; counter < numberOfFiles; counter++) {
+        NSString* key = [NSString stringWithFormat:@"test%lu", (unsigned long)counter];
+        NSString* fileName = [cacheIndex fileNameForKey:key];
+        STAssertNotNil(fileName, @"Entity missing from the cache");
+
+        NSError *error;
+        NSData *readData = [NSData 
+            dataWithContentsOfFile:[tempFolder
+                stringByAppendingPathComponent:fileName] 
+            options:NSDataReadingMappedAlways | NSDataReadingUncached 
+            error:&error];
+        STAssertNotNil(readData, @"Data file not found");
+        STAssertEquals(readData.length, fileSize, @"Data length incorrect");
+    }
+    
+    [cacheIndex release];
+    [[NSFileManager defaultManager] removeItemAtPath:tempFolder error:NULL];
+}
+
+- (void)testTrimming
+{
+    const NSUInteger numberOfFiles = 100;
+    const NSUInteger fileSize = 1000;
+  
+    NSString* tempFolder;
+    FBCacheIndex* cacheIndex = initTempCacheIndex(self, &tempFolder);
+    cacheIndex.diskCapacity = fileSize * numberOfFiles / 2;
+    
+    NSString *dummy = [@"" 
+        stringByPaddingToLength:fileSize 
+        withString:@"1" 
+        startingAtIndex:0];
+    NSData *dummyData = [dummy dataUsingEncoding:NSUTF8StringEncoding];
+    for (NSUInteger counter = 0; counter < numberOfFiles; counter++) {
+        NSString *fileName = [cacheIndex 
+            storeFileForKey:[NSString stringWithFormat:@"test%lu", (unsigned long)counter]
+            withData:dummyData];    
+        STAssertNotNil(fileName, @"");
+    }
+    
+    // Wait for the queue to flush
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+  
+    // We stored twice as much as the cache would support - let's ensure 
+    // the first 50% of the files are gone
+    for (int i = 0; i < numberOfFiles * 0.5; i++) {
+        NSString* key = [NSString stringWithFormat:@"test%d", i];
+        NSString* fileName = [cacheIndex fileNameForKey:key];
+        STAssertNil(
+            fileName, 
+            @"Expected info at index %d to be scavenged, still present", 
+            i);
+    }
+
+    // There's no exact number to look for here, but at least the newest 40%
+    // of the files should be there.
+    for (int i = numberOfFiles - 1; i > numberOfFiles * 0.6; i--) {
+        NSString* key = [NSString stringWithFormat:@"test%d", i];
+        NSString* fileName = [cacheIndex fileNameForKey:key];
+        STAssertNotNil(
+            fileName, 
+            @"Expected info at index %d to be present, was scavenged", 
+            i);
+    }
+  
+    STAssertTrue(
+        cacheIndex.currentDiskUsage < numberOfFiles * fileSize / 2, 
+        @"Current disk usage incorrect");
+    [cacheIndex release];
+    [[NSFileManager defaultManager] removeItemAtPath:tempFolder error:NULL];
+}
+
+- (void)testDeletingUsedData
+{
+    NSString* tempFolder;
+    FBCacheIndex* cacheIndex = initTempCacheIndex(self, &tempFolder);
+    cacheIndex.diskCapacity = 100000; // no trimming for this simple test
+
+    NSString *dummy = [@"" 
+        stringByPaddingToLength:100 
+        withString:@"1" 
+        startingAtIndex:0];
+    NSData *dummyData = [dummy dataUsingEncoding:NSUTF8StringEncoding];
+    
+    NSString *fileName = [cacheIndex 
+        storeFileForKey:@"test1" 
+        withData:dummyData];
+    NSString *filePath = [tempFolder
+        stringByAppendingPathComponent:fileName];
+        
+    // Flush the write queues
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+    dispatch_sync(_fileQueue, ^{});
+
+    NSData *dataFromFile = [NSData
+        dataWithContentsOfFile:filePath
+        options:NSDataReadingMappedAlways | NSDataReadingUncached 
+        error:nil];
+    STAssertEquals(
+        dataFromFile.length, 
+        dummyData.length, 
+        @"Read something different from what we wrote");
+
+    NSString *stringFromFile = [[NSString alloc] 
+        initWithData:dataFromFile 
+        encoding:NSUTF8StringEncoding];
+    STAssertTrue(
+        [stringFromFile isEqualToString:dummy], 
+        @"Payload doesn't match!");
+
+    // Now delete the file and see what happens
+    [cacheIndex removeEntryForKey:@"test1"];
+    dispatch_sync(cacheIndex.databaseQueue, ^{});
+    dispatch_sync(_fileQueue, ^{});
+
+    BOOL fileExists = [[NSFileManager defaultManager] 
+        fileExistsAtPath:filePath];
+    STAssertFalse(fileExists, @"File wasn't deleted at %@", filePath);
+    STAssertEquals(
+        dataFromFile.length, 
+        dummyData.length, 
+        @"Read something different from what wrote");
+
+    stringFromFile = [[NSString alloc] 
+        initWithData:dataFromFile 
+        encoding:NSUTF8StringEncoding];
+    STAssertTrue(
+        [stringFromFile isEqualToString:dummy], 
+        @"Payload doesn't match!");
+
+    [cacheIndex release];
+    [[NSFileManager defaultManager] removeItemAtPath:tempFolder error:NULL];
+}
+
+- (void)testBasicFriendPickerCache {
+    
+    // let's get a user going with some friends
+    FBTestSession *session1 = self.defaultTestSession;
+    FBTestSession *session2 = [self getSessionWithSharedUserWithPermissions:nil
+                                                              uniqueUserTag:kSecondTestUserTag];
+    [self makeTestUserInSession:session1 friendsWithTestUserInSession:session2];
+    
+    FBTestSession *session3 = [self getSessionWithSharedUserWithPermissions:nil
+                                                              uniqueUserTag:kThirdTestUserTag];
+    [self makeTestUserInSession:session1 friendsWithTestUserInSession:session3];
+    
+    FBCacheDescriptor *cacheDescriptor = [FBFriendPickerViewController cacheDescriptor];
+    
+    // set the page limit to 1
+    //[cacheDescriptor performSelector:@selector(setUsePageLimitOfOne)];
+        
+    // here we actually perform the prefetch
+    [cacheDescriptor prefetchAndCacheForSession:session1];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [blocker waitWithPeriodicHandler:^(FBTestBlocker *blocker) {
+        // white-box, using an internal API to determine if fetch completed
+        if ([cacheDescriptor performSelector:@selector(hasCompletedFetch)]) {
+            [blocker signal];
+        }
+    }];
+    [blocker release];
+    blocker = [[FBTestBlocker alloc] init];
+    
+    FBFriendPickerViewController *vc = [[FBFriendPickerViewController alloc] init];
+    vc.session = session1;
+    [vc configureUsingCachedDescriptor:cacheDescriptor];
+    
+    FBRequest *request = [vc performSelector:@selector(requestForLoadData)];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:request
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             [blocker signal];
+             STAssertTrue(connection.isResultFromCache, @"This result should have been cached");
+         }];
+    
+    [connection startWithCacheIdentity:FBFriendPickerCacheIdentity
+                 skipRoundtripIfCached:YES];
+    
+    [blocker wait];
+    
+    [blocker release];
+    
+    [connection release];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.h
new file mode 100644
index 0000000..84509a0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTestSession.h"
+#import "FBRequestConnection.h"
+
+// The following #defines are designed as a convenience during development
+// to disable certain categories of tests. They should never be left on
+// in committed code.
+
+//#define FACEBOOKSDK_SKIP_CACHE_TESTS
+//#define FACEBOOKSDK_SKIP_COMMON_REQUEST_TESTS
+//#define FACEBOOKSDK_SKIP_GRAPH_OBJECT_TESTS
+//#define FACEBOOKSDK_SKIP_OPEN_GRAPH_ACTION_TESTS
+//#define FACEBOOKSDK_SKIP_SESSION_TESTS
+//#define FACEBOOKSDK_SKIP_BATCH_REQUEST_TESTS
+//#define FACEBOOKSDK_SKIP_REQUEST_CONNECTION_TESTS
+//#define FACEBOOKSDK_SKIP_TEST_SESSION_TESTS
+//#define FACEBOOKSDK_SKIP_CONTENT_LINK_TESTS
+//#define FACEBOOKSDK_SKIP_FBACCESSTOKEN_TESTS
+
+@class FBTestBlocker;
+@protocol FBGraphObject;
+
+// Base class for unit-tests that use test users; ensures that all test users
+// created by a unit-test are deleted (by invalidating their session) during
+// tear-down.
+@interface FBIntegrationTests : SenTestCase
+
+// For many test case scenarios, we just need a single session with a set of permissions
+// that can be shared and used by each individual test. For the simple case, this is that
+// session.
+@property (readonly, retain) FBTestSession *defaultTestSession;
+
+- (FBRequestHandler)handlerExpectingSuccessSignaling:(FBTestBlocker*)blocker;
+- (FBRequestHandler)handlerExpectingFailureSignaling:(FBTestBlocker*)blocker; 
+
+- (FBTestSession *)getSessionWithSharedUserWithPermissions:(NSArray*)permissions;
+- (FBTestSession *)getSessionWithSharedUserWithPermissions:(NSArray*)permissions 
+                                             uniqueUserTag:(NSString*)uniqueUserTag;
+
+- (FBTestSession *)loginSession:(FBTestSession *)session;
+- (void)makeTestUserInSession:(FBTestSession*)session1 friendsWithTestUserInSession:(FBTestSession*)session2;
+
+- (void)validateGraphObject:(id<FBGraphObject>)graphObject 
+              hasProperties:(NSArray*)propertyNames;
+- (void)validateGraphObjectWithId:(NSString*)idString 
+                    hasProperties:(NSArray*)propertyNames 
+                      withSession:(FBSession*)session
+                          blocker:(FBTestBlocker*)blocker;
+- (void)postAndValidateWithSession:(FBSession*)session
+                         graphPath:(NSString*)graphPath
+                       graphObject:(id)graphObject
+                     hasProperties:(NSArray*)propertyNames;
+- (id)batchedPostAndGetWithSession:(FBSession*)session 
+                         graphPath:(NSString*)graphPath 
+                       graphObject:(id)graphObject;
+- (UIImage *)createSquareTestImage:(int)size;
+
+// Subclasses can define this to get defaultTestSessions with specific permissions.
+// The set of permissions should be static, as no guarantee is made how many times this will be called.
+// The default is nil.
+- (NSArray*)permissionsForDefaultTestSession;
+- (void)logRequestsAndConnections;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.m
new file mode 100644
index 0000000..52c3b2f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBIntegrationTests.m
@@ -0,0 +1,355 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIntegrationTests.h"
+#import "FBTestBlocker.h"
+#import "FBRequestConnection.h"
+#import "FBRequest.h"
+#import "FBSettings.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import <OCMock/OCMock.h>
+#include <pthread.h>
+
+static NSMutableDictionary *mapTestCasesToSessions;
+// Concurrency not an issue today, but guard our static global in any case.
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+#pragma mark Private interface
+
+@interface FBIntegrationTests () {
+    id _mockFBUtility;
+}
+
+- (void)issueFriendRequestInSession:(FBTestSession*)session toFriend:(NSString*)userID;
+
+@end
+
+#pragma mark -
+
+@implementation FBIntegrationTests
+
+@synthesize defaultTestSession = _defaultTestSession;
+
+#pragma mark Instance-level lifecycle
+
+- (void)dealloc 
+{   
+    [_defaultTestSession release];
+    [super dealloc];
+}
+
+- (void)setUp
+{
+    [super setUp];
+
+    pthread_mutex_lock(&mutex);
+    
+    if (!mapTestCasesToSessions) {
+        mapTestCasesToSessions = [[NSMutableDictionary alloc] init];
+    }
+    [mapTestCasesToSessions setObject:[[NSMutableArray alloc] init] 
+                               forKey:[NSValue valueWithNonretainedObject:self]]; 
+    
+    pthread_mutex_unlock(&mutex);
+    
+    _mockFBUtility = [[OCMockObject mockForClass:[FBUtility class]] retain];
+    [[[_mockFBUtility stub] andReturn:nil] advertiserID]; //stub advertiserID since that often hangs.
+}
+
+- (void)tearDown
+{
+    pthread_mutex_lock(&mutex);
+    
+    NSMutableArray *sessions = [mapTestCasesToSessions objectForKey:[NSValue valueWithNonretainedObject:self]];
+    [mapTestCasesToSessions removeObjectForKey:[NSValue valueWithNonretainedObject:self]];
+    
+    pthread_mutex_unlock(&mutex);
+    
+    for (FBSession *session in sessions) {
+        [session close];
+    }
+    [sessions release];
+    
+    [_mockFBUtility release];
+    _mockFBUtility = nil;
+    
+    [super tearDown];
+}
+
+#pragma mark -
+#pragma mark FBTestSession creation helpers
+
+- (NSArray*)permissionsForDefaultTestSession
+{
+    return nil;
+}
+
+- (FBTestSession*)defaultTestSession
+{
+    if (!_defaultTestSession) {
+        _defaultTestSession = [self getSessionWithSharedUserWithPermissions:[self permissionsForDefaultTestSession]];
+    }
+    return _defaultTestSession;
+}
+
+- (FBTestSession *)getSessionWithSharedUserWithPermissions:(NSArray*)permissions
+{
+    return [self getSessionWithSharedUserWithPermissions:permissions uniqueUserTag:nil];
+}
+
+- (FBTestSession *)getSessionWithSharedUserWithPermissions:(NSArray*)permissions 
+                                             uniqueUserTag:(NSString*)uniqueUserTag
+{
+    FBTestSession *session = [FBTestSession sessionWithSharedUserWithPermissions:permissions uniqueUserTag:uniqueUserTag];
+    
+    // Need to remember all the sessions for this class.
+    pthread_mutex_lock(&mutex);
+    
+    NSMutableArray *sessions = [mapTestCasesToSessions objectForKey:[NSValue valueWithNonretainedObject:self]];
+    [sessions addObject:session];
+    
+    pthread_mutex_unlock(&mutex);
+    
+    return [self loginSession:session];
+}
+
+#pragma mark -
+#pragma mark Miscellaneous helpers
+
+- (FBTestSession *)loginSession:(FBTestSession *)session
+{
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    FBSessionStateHandler handler = ^(FBSession *session,
+                                       FBSessionState status,
+                                       NSError *error) {
+        STAssertTrue(!error, @"!error");
+
+        [blocker signal];
+    };
+    
+    [session openWithCompletionHandler:handler];
+    
+    BOOL success = [blocker waitWithTimeout:60];
+    STAssertTrue(success, @"blocker timed out");
+    STAssertTrue(session.isOpen, @"session.isOpen");
+    
+    return session;
+}
+
+- (void)issueFriendRequestInSession:(FBTestSession*)session toFriend:(NSString*)userID
+{
+    STAssertNotNil(userID, @"missing userID");
+    NSString *graphPath = [NSString stringWithFormat:@"me/friends/%@", userID];
+    
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    FBRequest *request = [[[FBRequest alloc] initForPostWithSession:session 
+                                                          graphPath:graphPath 
+                                                        graphObject:nil] 
+                          autorelease];
+    
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        BOOL expected = (result && !error);
+        if (error) {
+            id code = [[error userInfo] objectForKey:FBErrorHTTPStatusCodeKey];
+            // If test users are already friends, we will get a 400.
+            expected = [code integerValue] == 400;
+        }
+        STAssertTrue(expected, @"unexpected result");
+        [blocker signal];
+    }];
+    
+    [blocker wait];
+}
+
+- (void)makeTestUserInSession:(FBTestSession*)session1 friendsWithTestUserInSession:(FBTestSession*)session2 
+{
+    [self issueFriendRequestInSession:session1 toFriend:session2.testUserID];
+    [self issueFriendRequestInSession:session2 toFriend:session1.testUserID];
+}
+
+- (void)validateGraphObject:(id<FBGraphObject>)graphObject hasProperties:(NSArray*)propertyNames
+{
+    for (NSString *propertyName in propertyNames) {
+        STAssertNotNil([graphObject objectForKey:propertyName], 
+                       [NSString stringWithFormat:@"missing property '%@'", propertyName]);
+    }    
+}
+
+- (void)validateGraphObjectWithId:(NSString*)idString hasProperties:(NSArray*)propertyNames withSession:(FBSession*)session blocker:(FBTestBlocker *)blocker {
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:idString]
+                          autorelease];
+    
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertTrue(!error, @"!error");
+        STAssertTrue([idString isEqualToString:[result objectForKey:@"id"]], @"wrong id");
+        
+        [self validateGraphObject:result hasProperties:propertyNames];
+        
+        [blocker signal];
+    }];
+}
+
+- (void)postAndValidateWithSession:(FBSession*)session graphPath:(NSString*)graphPath graphObject:(id)graphObject hasProperties:(NSArray*)propertyNames {
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+    
+    FBRequest *request = [[[FBRequest alloc] initForPostWithSession:session 
+                                                          graphPath:graphPath 
+                                                        graphObject:graphObject] 
+                          autorelease];
+    
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertTrue(!error, @"!error");
+        if (!error) {
+            NSString *newObjectId = [result objectForKey:@"id"];
+            [self validateGraphObjectWithId:newObjectId
+                              hasProperties:propertyNames
+                                withSession:session
+                                    blocker:blocker];
+        } 
+        [blocker signal];
+    }];
+    
+    STAssertTrue([blocker waitWithTimeout:15], @"blocker timed out");
+}
+
+// Unit tests failing? Turn on some logging with this helper.
+- (void)logRequestsAndConnections
+{
+    [FBSettings setLoggingBehavior:[NSSet setWithObjects:
+                                   FBLoggingBehaviorFBRequests,
+                                   FBLoggingBehaviorFBURLConnections,
+                                   FBLoggingBehaviorAccessTokens,
+                                   nil]];
+}
+
+- (id)batchedPostAndGetWithSession:(FBSession*)session 
+                         graphPath:(NSString*)graphPath 
+                       graphObject:(id)graphObject {
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    
+    // Create the thing.
+    FBRequest *postRequest = [[FBRequest alloc] initForPostWithSession:session 
+                                                              graphPath:graphPath 
+                                                                graphObject:graphObject];
+    [connection addRequest:postRequest 
+         completionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+         STAssertTrue(!error, @"got unexpected error");
+     }
+            batchEntryName:@"postRequest"];
+    
+    FBRequest *getRequest = [[FBRequest alloc] initWithSession:session 
+                                                     graphPath:@"{result=postRequest:$.id}"
+                                                     parameters:nil
+                                                     HTTPMethod:nil];
+    __block id createdObject = nil;
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    [connection addRequest:getRequest 
+         completionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+         STAssertTrue(!error, @"got unexpected error");
+         STAssertNotNil(result, @"didn't get expected result");
+         createdObject = [result retain];
+         [blocker signal];
+     }];
+ 
+    [connection start];
+    [blocker wait];
+    
+    [postRequest release];
+    [connection release];
+    [blocker release];
+    
+    return [createdObject autorelease];
+}
+
+size_t getPixels(void *info, void *buffer, size_t count) {
+    char *c = buffer;
+    for (int i = 0; i < count; ++i) {
+        *c = arc4random() % 256;
+    }
+    return count;
+}
+
+- (UIImage *)createSquareTestImage:(int)size
+{
+    CGDataProviderSequentialCallbacks providerCallbacks;
+    memset(&providerCallbacks, 0, sizeof(providerCallbacks));
+    providerCallbacks.getBytes = getPixels;
+    
+    CGDataProviderRef provider = CGDataProviderCreateSequential(NULL, &providerCallbacks);
+    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceGray();
+    
+    int width = size;
+    int height = size;
+    int bitsPerComponent = 8;
+    int bitsPerPixel = 8;
+    int bytesPerRow = width * (bitsPerPixel/8);
+    
+    CGImageRef cgImage = CGImageCreate(width,
+                                       height,
+                                       bitsPerComponent,
+                                       bitsPerPixel,
+                                       bytesPerRow,
+                                       colorSpace,
+                                       kCGBitmapByteOrderDefault,
+                                       provider,
+                                       NULL,
+                                       NO,
+                                       kCGRenderingIntentDefault);
+    
+    UIImage *image = [UIImage imageWithCGImage:cgImage];
+    
+    CGColorSpaceRelease(colorSpace);
+    CGDataProviderRelease(provider);
+    CGImageRelease(cgImage);
+    
+    return image;
+}
+
+#pragma mark -
+#pragma mark Handlers
+
+- (FBRequestHandler)handlerExpectingSuccessSignaling:(FBTestBlocker*)blocker {
+    FBRequestHandler handler = 
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertTrue(!error, @"got unexpected error");
+        STAssertNotNil(result, @"didn't get expected result");
+        [blocker signal];
+    };
+    return [[handler copy] autorelease];
+}
+
+- (FBRequestHandler)handlerExpectingFailureSignaling:(FBTestBlocker*)blocker {
+    FBRequestHandler handler = 
+    ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(error, @"didn't get expected error");
+        STAssertTrue(!result, @"got unexpected result");
+        [blocker signal];
+    };
+    return [[handler copy] autorelease];
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.h
new file mode 100644
index 0000000..dc3f3d0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIntegrationTests.h"
+#import "FBOpenGraphAction.h"
+
+@protocol FBOGTestObject<FBGraphObject>
+
+@property (retain, nonatomic) NSString        *title;
+@property (retain, nonatomic) NSString        *url;
+
+@end
+
+@protocol FBOGRunTestAction<FBOpenGraphAction>
+
+@property (retain, nonatomic) id<FBOGTestObject>    test;
+
+@end
+
+@interface FBOpenGraphActionTests : FBIntegrationTests
+
+@end
+
+// Open Graph namespaces must be unique, so running these tests against specific
+// Facebook Applications will require choosing a new namespace.
+#define UNIT_TEST_OPEN_GRAPH_NAMESPACE "facebooksdktests"
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.m
new file mode 100644
index 0000000..7a9dc3c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBOpenGraphActionTests.m
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBOpenGraphActionTests.h"
+#import "FBRequestConnection.h"
+#import "FBRequest.h"
+#import "FBTestBlocker.h"
+#import "FBGraphPlace.h"
+#import "FBGraphUser.h"
+#import "FBTestSession.h"
+
+#if defined(FACEBOOKSDK_SKIP_OPEN_GRAPH_ACTION_TESTS) || !defined(UNIT_TEST_OPEN_GRAPH_NAMESPACE)
+
+#pragma message ("warning: Skipping FBOpenGraphActionTests")
+
+#else
+
+@interface FBOpenGraphActionTests ()
+
+@end
+
+@implementation FBOpenGraphActionTests
+
+- (id<FBOGTestObject>)openGraphTestObject:(NSString*)testName {    
+    // We create an FBGraphObject object, but we can treat it as an SCOGMeal with typed
+    // properties, etc. See <FacebookSDK/FBGraphObject.h> for more details.
+    id<FBOGTestObject> result = (id<FBOGTestObject>)[FBGraphObject graphObject];
+    
+    // Give it a URL of sample data that contains the object's name, title, description, and body.
+    if ([testName isEqualToString:@"testPostingSimpleOpenGraphAction"]) {
+        result.url = @"http://samples.ogp.me/414237771945858";
+    } else if ([testName isEqualToString:@"testPostingComplexOpenGraphAction"]) {
+        result.url = @"http://samples.ogp.me/414238245279144";
+    }
+    return result;
+}
+
+- (void)testPostingSimpleOpenGraphAction {
+    id<FBOGTestObject> testObject = [self openGraphTestObject:@"testPostingSimpleOpenGraphAction"];
+    
+    id<FBOGRunTestAction> action = (id<FBOGRunTestAction>)[FBGraphObject graphObject];
+    action.test = testObject;
+
+    [self postAndValidateWithSession:self.defaultTestSession 
+                           graphPath:@"me/"UNIT_TEST_OPEN_GRAPH_NAMESPACE":run" 
+                         graphObject:action 
+                       hasProperties:[NSArray arrayWithObjects:
+                                      nil]];
+    
+}
+
+- (id<FBOGRunTestAction>)createComplexOpenGraphAction:(NSString*)taggedUserID {
+    id<FBOGTestObject> testObject = [self openGraphTestObject:@"testPostingComplexOpenGraphAction"];
+    
+    id<FBGraphUser> userObject = (id<FBGraphUser>)[FBGraphObject graphObject];
+    userObject.id = taggedUserID;
+    
+    id<FBOGRunTestAction> action = (id<FBOGRunTestAction>)[FBGraphObject graphObject];
+    action.test = testObject;
+    action.tags = [NSArray arrayWithObject:userObject];
+    
+    NSDictionary *image = [NSDictionary dictionaryWithObjectsAndKeys:
+                                  @"https://sphotos-b.xx.fbcdn.net/hphotos-ash4/387972_10152013102225492_1756755651_n.jpg", @"url",
+                                  nil];
+    NSArray *images = [NSArray arrayWithObject:image];
+    action.image = images;
+
+    return action;    
+}
+
+- (void)testPostingComplexOpenGraphAction {
+    FBTestSession *session1 = self.defaultTestSession;
+    FBTestSession *session2 = [self getSessionWithSharedUserWithPermissions:nil
+                                                              uniqueUserTag:kSecondTestUserTag];
+    [self makeTestUserInSession:session1 friendsWithTestUserInSession:session2];
+    
+    id<FBOGRunTestAction> action = [self createComplexOpenGraphAction:session2.testUserID];
+    
+    [self postAndValidateWithSession:session1 
+                           graphPath:@"me/"UNIT_TEST_OPEN_GRAPH_NAMESPACE":run" 
+                         graphObject:action 
+                       hasProperties:[NSArray arrayWithObjects:
+                                      @"image", 
+                                      @"tags",
+                                      nil]];
+}
+
+- (void)testPostingComplexOpenGraphActionInBatch {
+    FBTestSession *session1 = self.defaultTestSession;
+    FBTestSession *session2 = [self getSessionWithSharedUserWithPermissions:nil
+                                                              uniqueUserTag:kSecondTestUserTag];
+    [self makeTestUserInSession:session1 friendsWithTestUserInSession:session2];
+    
+    id<FBOGRunTestAction> action = [self createComplexOpenGraphAction:session2.testUserID];
+    
+    id postedAction = [self batchedPostAndGetWithSession:session1 graphPath:@"me/"UNIT_TEST_OPEN_GRAPH_NAMESPACE":run" graphObject:action];
+    STAssertNotNil(postedAction, @"nil postedAction");
+    
+    [self validateGraphObject:postedAction
+                hasProperties:[NSArray arrayWithObjects:
+                               @"image", 
+                               @"tags",
+                               nil]];
+}
+
+- (void)testPostingUserGeneratedImageInAction
+{
+    id<FBOGTestObject> testObject = [self openGraphTestObject:@"testPostingSimpleOpenGraphAction"];
+    
+    id<FBOGRunTestAction> action = (id<FBOGRunTestAction>)[FBGraphObject graphObject];
+    action.test = testObject;
+
+    // Note: we pass user_generated=false rather than true because apps must be approved for
+    // user-generated photos and that's extra work for the unit-test-app creator. false achieves
+    // the same goal (just checking that it was round-tripped).
+    NSDictionary *image = [NSDictionary dictionaryWithObjectsAndKeys:
+                           @"false", @"user_generated", 
+                           @"https://sphotos-b.xx.fbcdn.net/hphotos-ash4/387972_10152013102225492_1756755651_n.jpg", @"url",
+                           nil];
+    NSArray *images = [NSArray arrayWithObject:image];
+    action.image = images;
+    
+    id postedAction = [self batchedPostAndGetWithSession:self.defaultTestSession 
+                                               graphPath:@"me/"UNIT_TEST_OPEN_GRAPH_NAMESPACE":run" 
+                                             graphObject:action];
+    STAssertNotNil(postedAction, @"nil postedAction");
+
+    NSArray *postedImages = [postedAction objectForKey:@"image"];
+    STAssertNotNil(postedImages, @"nil images");
+    STAssertTrue(1 == postedImages.count, @"not 1 image");
+    
+    id<FBGraphObject> postedImage = [postedImages objectAtIndex:0];
+    [self validateGraphObject:postedImage hasProperties:[NSArray arrayWithObjects:
+                                                         @"url",
+                                                         @"user_generated",
+                                                         nil]];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.h
new file mode 100644
index 0000000..56fe7c0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBIntegrationTests.h"
+
+@interface FBRequestConnectionIntegrationTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.m
new file mode 100644
index 0000000..ba3334f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestConnectionIntegrationTests.m
@@ -0,0 +1,405 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAccessTokenData.h"
+#import "FBRequestConnectionIntegrationTests.h"
+#import "FBSession+Internal.h"
+#import "FBTestSession.h"
+#import "FBTestSession+Internal.h"
+#import "FBRequestConnection.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBRequest.h"
+#import "FBTestBlocker.h"
+#import "FBError.h"
+
+#if defined(FACEBOOKSDK_SKIP_REQUEST_CONNECTION_TESTS)
+
+#pragma message ("warning: Skipping FBRequestConnectionTests")
+
+#else
+
+@implementation FBRequestConnectionIntegrationTests
+
+- (void)testCancelInvokesHandler {
+    FBRequest *request = [[[FBRequest alloc] initWithSession:self.defaultTestSession graphPath:@"me"] autorelease];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    __block int count = 0;
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    [connection addRequest:request completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertEqualObjects(FBErrorOperationCancelled, error.code, @"Expected FBErrorOperationCancelled code for error:%@", error);
+        STAssertEquals(++count, 1, @"Expected handler to only be called once");
+        [blocker signal];
+    }];
+    [connection start];
+    [connection cancel];
+    
+    STAssertTrue([blocker waitWithTimeout:10], @" handler was not invoked");
+    
+    [connection release];
+}
+
+- (void)testConcurrentRequests
+{
+    __block FBTestBlocker *blocker1 = [[FBTestBlocker alloc] init];
+    __block FBTestBlocker *blocker2 = [[FBTestBlocker alloc] init];
+    __block FBTestBlocker *blocker3 = [[FBTestBlocker alloc] init];
+    [[[[FBRequest alloc] initWithSession:self.defaultTestSession graphPath:@"me"] autorelease] startWithCompletionHandler:[self handlerExpectingSuccessSignaling:blocker1]];
+    [[[[FBRequest alloc] initWithSession:self.defaultTestSession graphPath:@"me"] autorelease] startWithCompletionHandler:[self handlerExpectingSuccessSignaling:blocker2]];
+    [[[[FBRequest alloc] initWithSession:self.defaultTestSession graphPath:@"me"] autorelease] startWithCompletionHandler:[self handlerExpectingSuccessSignaling:blocker3]];
+    
+    [blocker1 wait];
+    [blocker2 wait];
+    [blocker3 wait];
+    
+    [blocker1 release];
+    [blocker2 release];
+    [blocker3 release];
+}
+
+- (void)testWillPiggybackTokenExtensionIfNeeded
+{
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    session.forceAccessTokenRefresh = YES;
+    // Invoke shouldRefreshPermissions which has the side affect of disabling permissions refresh piggybacking for an hour.
+    [session shouldRefreshPermissions];
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:request completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+    [connection start];
+    
+    [blocker wait];
+    [blocker release];
+    
+    NSArray *requests = [connection performSelector:@selector(requests)];
+
+    // Therefore, only expect the the token refresh piggyback in addition to the original request for /me
+    int count = requests.count;
+    STAssertEquals(2,count, @"unexpected number of piggybacks");
+    
+    [connection release];
+}
+
+- (void)testWillPiggybackPermissionsRefresh
+{
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    session.forceAccessTokenRefresh = YES;
+    // verify session's permissions refresh date is initially in the past.
+    STAssertEquals([NSDate distantPast], session.accessTokenData.permissionsRefreshDate, @"session permission refresh date does not match");
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:request completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+    [connection start];
+    
+    [blocker wait];
+    [blocker release];
+    
+    NSArray *requests = [connection performSelector:@selector(requests)];
+
+    // Expect the token refresh and permission refresh to be piggybacked.
+    int count = requests.count;
+    STAssertEquals(3,count, @"unexpected number of piggybacks");
+    
+    [connection release];
+    
+    STAssertTrue([session.accessTokenData.permissionsRefreshDate timeIntervalSinceNow]> -3, @"session permission refresh date should be within a few seconds of now");
+}
+
+- (void)testCachedRequests
+{
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    
+    // here we just want to seed the cache, by identifying the cache, and by choosing not to consult the cache
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    [request.parameters setObject:@"id,first_name" forKey:@"fields"];
+    [connection addRequest:request completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+    [connection startWithCacheIdentity:@"FBUnitTests"
+                 skipRoundtripIfCached:NO];
+    
+    [blocker wait];
+    
+    STAssertFalse(connection.isResultFromCache, @"Should not have cached, and should have fetched from server");
+    
+    [connection release];
+    [blocker release];
+    
+    __block BOOL completedWithoutBlocking = NO;
+    
+    // here we expect to complete on the cache, so we will confirm that
+    connection = [[FBRequestConnection alloc] init];    
+    request = [[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    [request.parameters setObject:@"id,first_name" forKey:@"fields"];
+    [connection addRequest:request completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(result, @"Expected a successful result");
+        completedWithoutBlocking = YES;
+        [blocker signal];
+    }];
+    [connection startWithCacheIdentity:@"FBUnitTests"
+                 skipRoundtripIfCached:YES];
+    
+    // Note despite the skipping of round trip, the completion handler is still dispatched async since we
+    // started using the Task framework in FBRequestConnection.
+    STAssertTrue([blocker waitWithTimeout:3], @"blocker timed out");
+    // should have completed successfully by here
+    STAssertTrue(completedWithoutBlocking, @"Should have called the handler, due to cache hit");
+    STAssertTrue(connection.isResultFromCache, @"Should not have fetched from server");
+    [connection release];
+}
+
+- (void)testDelete
+{
+    // this is a longish test, here is the breakdown:
+    // 1) three objects are created in one batch
+    // 2) two objects are deleted with different approaches, and one object created in the next batch
+    // 3) one object is deleted
+    // 4) another object is deleted
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] initWithExpectedSignalCount:3] autorelease];
+    
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:@"me/feed"]
+                          autorelease];
+    
+    [request.parameters setObject:@"dummy status"
+                           forKey:@"name"];
+    [request.parameters setObject:@"http://www.facebook.com"
+                           forKey:@"link"];
+    [request.parameters setObject:@"dummy description"
+                           forKey:@"description"];
+    [request.parameters setObject:@"post"
+                           forKey:@"method"];
+    
+    NSMutableArray *fbids = [NSMutableArray array];
+    
+    FBRequestHandler handler = ^(FBRequestConnection *connection, id<FBGraphObject> result, NSError *error) {
+        // There's a lot going on in this test. To make failures easier to understand, giving each
+        // of the handlers a number so we can tell what failed.
+        STAssertNotNil(result, @"should have a result here: Handler 1");
+        STAssertNil(error, @"should not have an error here: Handler 1");
+        [fbids addObject: [[result objectForKey:@"id"] description]];
+        [blocker signal];
+    };
+    
+    // this creates three objects
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    [connection addRequest:request completionHandler:handler];
+    [connection addRequest:request completionHandler:handler];
+    [connection addRequest:request completionHandler:handler];
+    [connection start];
+    
+    [blocker wait];
+    
+    if (fbids.count != 3) {
+        STAssertTrue(fbids.count == 3, @"wrong number of fbids, aborting test");
+        // Things are bad. Continuing isn't going to make them better, and might throw exceptions.
+        return;
+    }
+    
+    blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:3];
+    
+    connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *deleteRequest = [[FBRequest alloc] initWithSession:session
+                                                        graphPath:[fbids objectAtIndex:fbids.count-1]
+                                                       parameters:nil
+                                                       HTTPMethod:@"delete"];
+    [connection addRequest:deleteRequest
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNotNil(result, @"should have a result here: Handler 2");
+             STAssertNil(error, @"should not have an error here: Handler 2");
+             STAssertTrue(0 != fbids.count, @"not enough fbids: Handler 2");
+             [fbids removeObjectAtIndex:fbids.count-1];
+             [blocker signal];             
+         }];
+    
+    deleteRequest = [[FBRequest alloc] initWithSession:session
+                                             graphPath:[fbids objectAtIndex:fbids.count-1]
+                                            parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                        @"delete", @"method",
+                                                        nil]
+                                            HTTPMethod:nil];
+    [connection addRequest:deleteRequest
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNotNil(result, @"should have a result here: Handler 3");
+             STAssertNil(error, @"should not have an error here: Handler 3");
+             STAssertTrue(0 != fbids.count, @"not enough fbids: Handler 3");
+             [fbids removeObjectAtIndex:fbids.count-1];
+             [blocker signal];             
+         }];
+    
+    [connection addRequest:request completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(result, @"should have a result here: Handler 4");
+        STAssertNil(error, @"should not have an error here: Handler 4");
+        if (result) {
+            [fbids addObject: [[result objectForKey:@"id"] description]];
+        }
+        [blocker signal];
+    }];
+    
+    // these deletes two and adds one
+    [connection start];
+    
+    [blocker wait];
+    if (fbids.count != 2) {
+        STAssertTrue(fbids.count == 2, @"wrong number of fbids, aborting test");
+        // Things are bad. Continuing isn't going to make them better, and might throw exceptions.
+        return;
+    }
+    
+    blocker = [[[FBTestBlocker alloc] initWithExpectedSignalCount:2] autorelease];
+    
+    // delete
+    request = [[[FBRequest alloc] initWithSession:session
+                                        graphPath:[fbids objectAtIndex:fbids.count-1]
+                                       parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                   @"delete", @"method",
+                                                   nil]
+                                       HTTPMethod:nil] autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+         STAssertNotNil(result, @"should have a result here: Handler 5");
+         STAssertNil(error, @"should not have an error here: Handler 5");
+         STAssertTrue(0 != fbids.count, @"not enough fbids: Handler 5");
+         [fbids removeObjectAtIndex:fbids.count-1];
+         [blocker signal];
+     }];
+    // delete
+    request = [[[FBRequest alloc] initWithSession:session
+                                        graphPath:[fbids objectAtIndex:fbids.count-1] 
+                                       parameters:nil 
+                                       HTTPMethod:@"delete"] autorelease];
+    [request startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(result, @"should have a result here: Handler 6");
+        STAssertNil(error, @"should not have an error here: Handler 6");
+        STAssertTrue(0 != fbids.count, @"not enough fbids: Handler 6");
+        [fbids removeObjectAtIndex:fbids.count-1];
+        [blocker signal];
+    }];
+    
+    [blocker wait];
+    
+    STAssertTrue(fbids.count == 0, @"Our fbid collection should be empty here");
+}
+
+- (void)testNilCompletionHandler {
+    /*
+     Need to test that nil completion handlers don't cause crashes, and also don't prevent the request from completing.
+     We'll do this via the following steps:
+     1. Create a post on me/feed with a valid handler and get the id.
+     2. Delete the post without a handler
+     3. Try delete the post again with a valid handler and make sure we get an error since Step #2 should have deleted
+     */
+    
+    // Step 1
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    
+    FBRequest *postRequest = [[[FBRequest alloc] initWithSession:session
+                                                       graphPath:@"me/feed"]
+                              autorelease];
+    
+    [postRequest.parameters setObject:@"dummy status"
+                               forKey:@"name"];
+    [postRequest.parameters setObject:@"http://www.facebook.com"
+                               forKey:@"link"];
+    [postRequest.parameters setObject:@"dummy description"
+                               forKey:@"description"];
+    [postRequest.parameters setObject:@"post"
+                               forKey:@"method"];
+    
+    NSMutableArray *fbids = [NSMutableArray array];
+    
+    [postRequest startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(result, @"should have a result here: Post Request handler");
+        STAssertNil(error, @"should not have an error here: Post Request handler");
+        [fbids addObject: [[result objectForKey:@"id"] description]];
+        [blocker signal];
+    }];
+    
+    [blocker wait];
+    [blocker release];
+    
+    
+    // Step 2
+    
+    blocker = [[FBTestBlocker alloc] init];
+    FBRequest *deleteRequest = [[[FBRequest alloc] initWithSession:session
+                                                         graphPath:[fbids objectAtIndex:0]
+                                                        parameters:nil
+                                                        HTTPMethod:@"delete"] autorelease];
+    [deleteRequest startWithCompletionHandler:nil];
+    // Can't signal without a handler, so just wait 2 seconds.
+    [blocker waitWithTimeout:2];
+    [blocker release];
+    
+    
+    // Step 3
+    
+    blocker = [[FBTestBlocker alloc] init];
+    deleteRequest = [[[FBRequest alloc] initWithSession:session
+                                              graphPath:[fbids objectAtIndex:0]
+                                             parameters:nil
+                                             HTTPMethod:@"delete"] autorelease];
+    [deleteRequest startWithCompletionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNil(result, @"should not have a result here: Dupe-Delete Handler");
+        STAssertNotNil(error, @"should have an error here: Dupe-Delete Handler");
+        [blocker signal];
+    }];
+    
+    [blocker wait];
+    [blocker release];
+}
+
+- (void)testMultipleSelectionWithDependenciesBatch {
+    FBTestSession *session = [self getSessionWithSharedUserWithPermissions:nil];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+    // Note these ids are significant in that they are ids of other test users. Since we use FBTestSession
+    // above (which will have a platform test user access token), the ids need to be objects that are visible
+    // to the platform test user (such as other test users).
+    FBRequest *parent = [[[FBRequest alloc] initWithSession:session graphPath:@"?ids=100006424828400,100006675870174"] autorelease];
+    [connection addRequest:parent
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNil(error, @"unexpected error in parent request :%@", error);
+             [blocker signal];
+         } batchEntryName:@"getactions"];
+
+    FBRequest *child = [[[FBRequest alloc] initWithSession:session graphPath:@"?ids={result=getactions:$.*.id}"] autorelease];
+    [connection addRequest:child
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+             STAssertNil(error, @"unexpected error in child request :%@", error);
+             STAssertNotNil(result, @"expected results");
+             [blocker signal];
+         } batchEntryName:nil];
+    [connection start];
+    [connection release];
+
+    STAssertTrue([blocker waitWithTimeout:60], @"blocker timed out");
+}
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.h
new file mode 100644
index 0000000..cf2ee44
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBIntegrationTests.h"
+
+@interface FBRequestIntegrationTests : FBIntegrationTests
+
+@end
+
+#define UNIT_TEST_OPEN_GRAPH_NAMESPACE "facebooksdktests"
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.m
new file mode 100644
index 0000000..56927bc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBRequestIntegrationTests.m
@@ -0,0 +1,631 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+#import "FBRequestIntegrationTests.h"
+#import "FBTestSession.h"
+#import "FBRequest.h"
+#import "FBGraphUser.h"
+#import "FBGraphPlace.h"
+#import "FBTestBlocker.h"
+#import "FBUtility.h"
+
+#if defined(FACEBOOKSDK_SKIP_COMMON_REQUEST_TESTS) || !defined(UNIT_TEST_OPEN_GRAPH_NAMESPACE)
+
+#pragma message ("warning: Skipping FBRequestIntegrationTests")
+
+#else
+
+static NSString *const UNIT_TEST_IMAGE_URL = @"https://sphotos-b.xx.fbcdn.net/hphotos-ash4/387972_10152013102225492_1756755651_n.jpg";
+static NSString *const UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE = @""UNIT_TEST_OPEN_GRAPH_NAMESPACE":test";
+
+@interface FBRequestIntegrationTests ()
+
+- (NSArray *)sendRequests:(FBRequest *)firstRequest, ...;
+- (NSArray *)sendRequestArray:(NSArray *)requests;
+
+@end
+
+@implementation FBRequestIntegrationTests
+
+- (void)testRequestMe
+{
+    FBRequest *requestMe = [FBRequest requestForMe];
+    [requestMe setSession:self.defaultTestSession];
+    NSArray *results = [self sendRequests:requestMe, nil];
+
+    STAssertNotNil(results, @"results");
+    STAssertTrue([results isKindOfClass:[NSArray class]],
+                 @"[results isKindOfClass:[NSArray class]]");
+    STAssertTrue([results count] == 1, @"[results count] == 1");
+    STAssertTrue(![[results objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"![[results objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[results objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"![[results objectAtIndex:0] isKindOfClass:[NSError class]]");
+
+    id<FBGraphUser> me = [results objectAtIndex:0];
+    STAssertNotNil(me.id, @"me.id");
+    STAssertNotNil(me.name, @"me.name");
+}
+
+- (void)testRequestUploadPhoto
+{
+    FBRequest *uploadRequest = [FBRequest requestForUploadPhoto:[self createSquareTestImage:120]];
+    [uploadRequest setSession:self.defaultTestSession];
+    NSArray *responses = [self sendRequests:uploadRequest, nil];
+
+    STAssertNotNil(responses, @"responses");
+    STAssertTrue([responses isKindOfClass:[NSArray class]],
+                 @"[responses isKindOfClass:[NSArray class]]");
+    STAssertTrue([responses count] == 1, @"[responses count] == 1");
+    STAssertTrue(![[responses objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"![[responses objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[responses objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"[[responses objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+
+    NSDictionary *replyData = (NSDictionary *)[responses objectAtIndex:0];
+    STAssertNotNil([replyData objectForKey:@"id"],
+                   @"[replyData objectForKey:id]");
+    STAssertNotNil([replyData objectForKey:@"post_id"],
+                   @"[replyData objectForKey:post_id]");
+}
+
+- (void)testRequestPlaceSearchWithNoSearchText
+{
+    CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(38.889468, -77.03524);
+    FBRequest *searchRequest = [FBRequest requestForPlacesSearchAtCoordinate:coordinate 
+                                                              radiusInMeters:1000
+                                                                resultsLimit:5 
+                                                                  searchText:nil];
+    [searchRequest setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:searchRequest, nil];
+
+    STAssertNotNil(response, @"response");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"[response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"[response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[response objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"[[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+
+    NSDictionary *firstResponse = (NSDictionary *)[response objectAtIndex:0];
+    NSArray *data = (NSArray*)[firstResponse objectForKey:@"data"];
+    STAssertTrue(data.count > 0, @"Did not get any responses");
+}
+
+- (void)testRequestPlaceSearchWithSearchText
+{
+    CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(38.889227, -77.049078);
+    FBRequest *searchRequest = [FBRequest requestForPlacesSearchAtCoordinate:coordinate 
+                                                              radiusInMeters:200 
+                                                                resultsLimit:5
+                                                                  searchText:@"Lincoln Memorial"];
+    [searchRequest setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:searchRequest, nil];
+
+    STAssertNotNil(response, @"response");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"[response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"[response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[response objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"[[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+
+    NSDictionary *firstResponse = (NSDictionary *)[response objectAtIndex:0];
+    NSArray *data = (NSArray*)[firstResponse objectForKey:@"data"];
+    
+    BOOL found = NO;
+    for (FBGraphObject *object in data) {
+        if ([object[@"name"] rangeOfString:@"Lincoln Memorial"].location != NSNotFound) {
+            found = YES;
+            break;
+        }
+    }
+    
+    STAssertTrue(found, @"didn't find Lincoln Memorial");
+}
+
+- (void)testRestRequestGetUser {
+    FBTestSession *session = self.defaultTestSession;
+    
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                session.testUserID, @"uids",
+                                @"uid,name", @"fields",
+                                nil];
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session
+                                                  restMethod:@"users.getInfo"
+                                                  parameters:parameters
+                                                  HTTPMethod:nil] 
+                          autorelease];
+
+    NSArray *responses = [self sendRequests:request, nil];
+    STAssertNotNil(responses, @"responses");
+
+    NSArray *firstResponse = (NSArray *)[responses objectAtIndex:0];
+    NSDictionary *firstResult = (NSDictionary *)[firstResponse objectAtIndex:0];
+    STAssertNotNil(firstResult, @"firstResult");
+    
+    NSString *uid = [[firstResult objectForKey:@"uid"] stringValue];
+    STAssertNotNil(uid, @"uid");
+    STAssertTrue([session.testUserID isEqualToString:uid], @"don't match");
+}
+
+- (NSArray *)sendRequests:(FBRequest *)firstRequest, ...
+{
+    NSMutableArray *requests = [[[NSMutableArray alloc] init] autorelease];
+
+    [requests addObject:firstRequest];
+
+    id vaRequest;
+    va_list vaArguments;
+    va_start(vaArguments, firstRequest);
+    while ((vaRequest = va_arg(vaArguments, id))) {
+        [requests addObject:vaRequest];
+    }
+    va_end(vaArguments);
+
+    return [self sendRequestArray:requests];
+}
+
+- (NSArray *)sendRequestArray:(NSArray *)requests
+{
+    NSMutableArray *results = [[[NSMutableArray alloc] init] autorelease];
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequestHandler handler =
+        ^(FBRequestConnection *connection, id result, NSError *error) {
+            // Validate that we can assume in unit test that errors and results
+            // are disjoint.
+            STAssertTrue(![result isKindOfClass:[NSError class]],
+                         @"![result isKindOfClass:[NSError class]]");
+            [results addObject:(error ? error : result)];
+            [blocker signal];
+        };
+
+    for (FBRequest *request in requests) {
+        [connection addRequest:request completionHandler:handler];
+    }
+
+    [connection start];
+
+    // FBRequestConnection sends its callbacks on the UI thread (this thread).
+    // This code further assumes that all callbacks are sent in a loop on that
+    // thread.  That is not guaranteed in the contract, and code anywhere other
+    // than an SDK unit test should have a while loop to wait for the full set
+    // of results.
+    [blocker wait];
+    STAssertTrue([results count] == [requests count],
+                 @"[results count] == [requests count]");
+
+    return results;
+}
+
+- (void)testGraphObjectTypedRequest
+{
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    [FBRequestConnection startWithGraphPath:@"4" // Zuck
+                          completionHandler:^(FBRequestConnection *connection, id<FBGraphUser> zuck, NSError *error) {
+                              STAssertTrue([zuck.first_name isEqualToString:@"Mark"], @"zuck != zuck");
+                              STAssertTrue([zuck.last_name isEqualToString:@"Zuckerberg"], @"zuck != zuck");
+                              [blocker signal];
+                          }];
+    
+    [blocker wait];
+    
+    blocker = [[[FBTestBlocker alloc] init] autorelease];
+    [FBRequestConnection startWithGraphPath:@"100902843288017" // great fried chicken
+                          completionHandler:^(FBRequestConnection *connection, id<FBGraphPlace> chicken, NSError *error) {
+                              STAssertTrue([chicken.name isEqualToString:@"Ezell's Famous Chicken"], @"name wrong");
+                              STAssertTrue([chicken.location.city isEqualToString:@"Woodinville"], @"city wrong");
+                              STAssertTrue([chicken.location.state isEqualToString:@"WA"], @"state wrong");
+                              [blocker signal];
+                          }];
+    
+    [blocker wait];
+}
+
+- (void)testGraphObjectTypedRequest2
+{
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    [FBRequestConnection startWithGraphPath:@"4" // Zuck
+                          completionHandler:^(FBRequestConnection *connection, id<FBGraphUser> zuck, NSError *error) {
+                              STAssertTrue([zuck.first_name isEqualToString:@"Mark"], @"zuck != zuck");
+                              STAssertTrue([zuck.last_name isEqualToString:@"Zuckerberg"], @"zuck != zuck");
+                              [blocker signal];
+                          }];
+    
+    [blocker wait];
+}
+
+- (void)testSimpleGraphGet
+{
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    [FBSession setActiveSession:self.defaultTestSession];
+    [FBRequestConnection startWithGraphPath:@"TourEiffel"
+                          completionHandler:[self handlerExpectingSuccessSignaling:blocker]];
+    
+    [blocker wait];
+    [blocker release];
+    
+}
+
+- (void)testSimpleGraphGetWithExpectedFailure
+{
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    [FBSession setActiveSession:self.defaultTestSession];
+    [FBRequestConnection startWithGraphPath:@"-1"
+                          completionHandler:[self handlerExpectingFailureSignaling:blocker]];
+    [blocker wait];
+    [blocker release];
+ 
+}
+
+- (id)postStatusUpdate
+{
+    id<FBGraphObject> status = [FBGraphObject graphObject];
+    // Posting duplicate messages will generate an error.
+    NSString *statusMessage = [NSString stringWithFormat:@"Check out my awesome new status update posted at %@.", [NSDate date]];
+    [status setObject:statusMessage forKey:@"message"];
+    
+    return [self batchedPostAndGetWithSession:self.defaultTestSession
+                                    graphPath:@"me/feed"
+                                  graphObject:status];
+}
+
+- (id)postComment:(id)comment toStatusID:(NSString*)statusID
+{
+    NSString *graphPath = [NSString stringWithFormat:@"%@/comments", statusID];
+    return [self batchedPostAndGetWithSession:self.defaultTestSession
+                                    graphPath:graphPath
+                                  graphObject:comment];
+}
+
+- (void)testCommentRoundTrip
+{
+    id createdStatus = [self postStatusUpdate];
+    NSString *statusID = [createdStatus objectForKey:@"id"];
+    id<FBGraphObject> comment = [FBGraphObject graphObject];
+    NSString *commentMessage = @"It truly is a wonderful status update.";
+    [comment setObject:commentMessage forKey:@"message"];
+    
+    id comment1 = [self postComment:comment toStatusID:statusID];
+    NSString *comment1ID = [[[comment1 objectForKey:@"id"] retain] autorelease];
+    NSString *comment1Message = [[[comment1 objectForKey:@"message"] retain] autorelease];
+    
+    // Try posting the same comment to the same status update. We need to clear its ID first.
+    [comment1 removeObjectForKey:@"id"];
+    id comment2 = [self postComment:comment1 toStatusID:statusID];
+    
+    NSString *comment2ID = [comment2 objectForKey:@"id"];
+    NSString *comment2Message = [comment2 objectForKey:@"message"];
+    
+    STAssertFalse([comment1ID isEqualToString:comment2ID], @"ended up with the same comment");
+    STAssertTrue([comment1Message isEqualToString:comment2Message], @"message not round-tripped");
+}
+
+- (id)postEvent
+{
+    id<FBGraphObject> event = [FBGraphObject graphObject];
+    
+    // The "Events Timezone" platform migration affects what date/time formats Facebook accepts and returns.
+    // Apps created after 8/1/12 (or apps that have explicitly enabled the migration) should send/receive
+    // dates in ISO-8601 format. Pre-migration apps can send as Unix timestamps. Since the future is ISO-8601,
+    // that is what we support here. Apps that need pre-migration behavior can explicitly send these as
+    // integer timestamps rather than NSDates.
+    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
+    [dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZ"];
+    id startTime = [NSDate dateWithTimeIntervalSinceNow:24 * 3600];
+    id endTime = [dateFormatter stringFromDate:[NSDate dateWithTimeInterval:3600 sinceDate:startTime]];
+    startTime = [dateFormatter stringFromDate:startTime];
+    
+    [event setObject:[NSString stringWithFormat:@"My event on %@", startTime]
+              forKey:@"name"];
+    [event setObject:@"This is a great event. You should all come."
+              forKey:@"description"];
+    [event setObject:startTime forKey:@"start_time"];
+    [event setObject:endTime forKey:@"end_time"];
+    [event setObject:@"My house" forKey:@"location"];
+    
+    return [self batchedPostAndGetWithSession:self.defaultTestSession
+                                    graphPath:@"me/events"
+                                  graphObject:event];
+}
+
+- (void)testEventRoundTrip
+{
+    id postedEvent = [self postEvent];
+    STAssertNotNil(postedEvent, @"no event");
+    
+    [postedEvent removeObjectForKey:@"id"];
+    
+    id event2 = [self batchedPostAndGetWithSession:self.defaultTestSession
+                                         graphPath:@"me/events"
+                                       graphObject:postedEvent];
+    STAssertNotNil(event2, @"no event");
+}
+
+- (NSDictionary *)createObjectWithCreateRequest:(FBRequest *)createRequest
+{
+    [createRequest setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:createRequest, nil];
+    
+    STAssertNotNil(response, @"create response");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"create: [response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"create: [response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"create: ![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[response objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"create: [[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+    
+    NSDictionary *firstResponse = (NSDictionary *)[response objectAtIndex:0];
+    NSString *objectId = [firstResponse objectForKey:@"id"];
+    STAssertNotNil(objectId, @"Did not get valid id for object creation");
+    
+    return [NSDictionary dictionaryWithObjectsAndKeys:objectId, @"id", nil];
+}
+
+- (void)checkResult:(NSDictionary *)result
+      forProperties:(NSArray *)propertiesToCheck
+withExpectedResults:(NSArray *)expectedResults
+{
+    if (propertiesToCheck) {
+        for (int i = 0; i < [propertiesToCheck count]; i++) {
+            NSString *propertyKey = [propertiesToCheck objectAtIndex:i];
+            NSString *expectedResult = [expectedResults objectAtIndex:i];
+            id objectToCheck = result;
+            // Let caller tell us to look in the 'data' property by prepending 'data.' to the name of the property.
+            if ([propertyKey hasPrefix:@"data."]) {
+                propertyKey = [propertyKey substringFromIndex:5];
+                objectToCheck = result[@"data"];
+            }
+            STAssertEqualObjects(expectedResult,
+                                 [objectToCheck objectForKey:propertyKey],
+                                 [NSString stringWithFormat:@"property check: %@ equals result[%@]", expectedResult, propertyKey]);
+        }
+    }
+}
+
+- (NSString *)getAndCheckFBID:(NSString *)fbid
+     checkForProperties:(NSArray *)propertiesToCheck
+    withExpectedResults:(NSArray *)expectedResults
+{
+    FBRequest *request = [FBRequest requestForGraphPath:fbid];
+    [request setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:request, nil];
+    
+    STAssertNotNil(response, @"get responses");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"get: [response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"get: [response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"get: ![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    NSDictionary * result = [response objectAtIndex:0];
+    STAssertTrue([result isKindOfClass:[NSDictionary class]],
+                 @"get: [[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+    STAssertEqualObjects(fbid, [result valueForKey:@"id"],
+                   @"get: [[response objectAtIndex:0] valueForKey:@\"id\"] equals fbid");
+
+    [self checkResult:result forProperties:propertiesToCheck withExpectedResults:expectedResults];
+
+    // If this was an object, return its post_action_id so we can check that too
+    NSNumber *post_action_id = [result valueForKey:@"post_action_id"];
+    return [NSString stringWithFormat:@"%@", post_action_id];
+    
+}
+
+- (void)updateObjectWithRequest:(FBRequest *)updateRequest
+             checkForProperties:(NSArray *)propertiesToCheck
+                expectedResults:(NSArray *)expectedResults
+{
+    [updateRequest setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:updateRequest, nil];
+    
+    STAssertNotNil(response, @"update response");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"create: [response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"create: [response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"create: ![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    NSDictionary * objectResult = [response objectAtIndex:0];
+    STAssertTrue([objectResult isKindOfClass:[NSDictionary class]],
+                 @"get: [[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+    [self checkResult:objectResult forProperties:propertiesToCheck withExpectedResults:expectedResults];
+}
+
+- (void)deleteId:(NSString *)fbid
+{
+    FBRequest *deleteRequest = [FBRequest requestForDeleteObject:fbid];
+    [deleteRequest setSession:self.defaultTestSession];
+    NSArray *response = [self sendRequests:deleteRequest, nil];
+    
+    STAssertNotNil(response, @"delete response");
+    STAssertTrue([response isKindOfClass:[NSArray class]],
+                 @"delete: [response isKindOfClass:[NSArray class]]");
+    STAssertTrue([response count] == 1, @"delete: [response count] == 1");
+    STAssertTrue(![[response objectAtIndex:0] isKindOfClass:[NSError class]],
+                 @"delete: ![[response objectAtIndex:0] isKindOfClass:[NSError class]]");
+    STAssertTrue([[response objectAtIndex:0] isKindOfClass:[NSDictionary class]],
+                 @"delete: [[response objectAtIndex:0] isKindOfClass:[NSDictionary class]]");
+    STAssertTrue([[[response objectAtIndex:0] objectForKey:@"FACEBOOK_NON_JSON_RESULT" ] isEqualToString:@"true"],
+                 @"delete: [[response objectAtIndex:0] isEqualToString:@\"true\"]");
+
+}
+
+- (void)createAndGetAndDeleteObjectWithCreateRequest:(FBRequest *)createRequest
+                            checkForObjectProperties:(NSArray *)objectPropertiesToCheck
+                           withExpectedObjectResults:(NSArray *)objectPropertiesResults
+                            checkForActionProperties:(NSArray *)actionPropertiesToCheck
+                           withExpectedActionResults:(NSArray *)actionPropertiesResults
+{
+    // create an object
+    NSDictionary *result = [self createObjectWithCreateRequest:createRequest];
+    NSString *objectId = [result objectForKey:@"id"];
+    
+    // check that we can get the object and the action
+    NSString *actionId = [self getAndCheckFBID:objectId
+                            checkForProperties:objectPropertiesToCheck
+                           withExpectedResults:objectPropertiesResults];
+    [self getAndCheckFBID:actionId
+       checkForProperties:actionPropertiesToCheck
+      withExpectedResults:actionPropertiesResults];
+    
+    
+    // delete the action (which will also delete the object)
+    [self deleteId:actionId];
+}
+
+- (void)testBasicCreate
+{
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObjectWithType:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE
+                                                                          title:@"Object Create Test"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:nil
+                                                               objectProperties:nil];
+    [self createAndGetAndDeleteObjectWithCreateRequest:createRequest
+                              checkForObjectProperties:nil
+                             withExpectedObjectResults:nil
+                              checkForActionProperties:nil
+                             withExpectedActionResults:nil];
+}
+
+- (void)testCreateWithObjectProperties
+{
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObjectWithType:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE
+                                                                          title:@"Object Create Test"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:nil
+                                                               objectProperties:@{@"a_property": @"some property"}];
+    [self createAndGetAndDeleteObjectWithCreateRequest:createRequest
+                              checkForObjectProperties:@[@"data.a_property"]
+                             withExpectedObjectResults:@[@"some property"]
+                              checkForActionProperties:nil
+                             withExpectedActionResults:nil];
+}
+
+- (void)testCreateWithGraphObject
+{
+    NSMutableDictionary<FBGraphObject> *graphObject = [FBGraphObject openGraphObjectForPost];
+    [graphObject setObject:@"Object Create Test" forKey:@"title"];
+    [graphObject setObject:UNIT_TEST_IMAGE_URL forKey:@"image"];
+    [graphObject setObject:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE forKey:@"type"];
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObject:(id)graphObject];
+    [self createAndGetAndDeleteObjectWithCreateRequest:createRequest
+                              checkForObjectProperties:nil
+                             withExpectedObjectResults:nil
+                              checkForActionProperties:nil
+                             withExpectedActionResults:nil];
+}
+
+- (void)testCreateWithEverything
+{
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObjectWithType:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE
+                                                                          title:@"Object Create Test"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:@"some description"
+                                                               objectProperties:nil];
+    [self createAndGetAndDeleteObjectWithCreateRequest:createRequest
+                              checkForObjectProperties:@[@"description"]
+                             withExpectedObjectResults:@[@"some description"]
+                              checkForActionProperties:nil
+                             withExpectedActionResults:nil];
+}
+
+- (void)testUpdate
+{
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObjectWithType:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE
+                                                                          title:@"Object Create Test"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:nil
+                                                               objectProperties:nil];
+    NSDictionary *result = [self createObjectWithCreateRequest:createRequest];
+    NSString *objectId = [result objectForKey:@"id"];
+    
+    // check that we can get the object and the action
+    [self getAndCheckFBID:objectId
+       checkForProperties:@[@"title"]
+      withExpectedResults:@[@"Object Create Test"]];
+
+    FBRequest *updateRequest = [FBRequest requestForUpdateOpenGraphObjectWithId:objectId
+                                                                          title:@"New Title"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:@"new description"
+                                                               objectProperties:nil];
+    [self updateObjectWithRequest:updateRequest
+               checkForProperties:@[@"title", @"description"]
+                  expectedResults:@[@"New Title", @"new description"]];
+    
+    NSString *actionId = [self getAndCheckFBID:objectId
+       checkForProperties:@[@"title", @"description"]
+      withExpectedResults:@[@"New Title", @"new description"]];
+    
+    [self deleteId:actionId];
+}
+
+- (void)testUpdateWithGraphObject
+{
+    FBRequest *createRequest = [FBRequest requestForPostOpenGraphObjectWithType:UNIT_TEST_OPEN_GRAPH_TEST_OBJECT_NAMESPACE
+                                                                          title:@"Object Create Test"
+                                                                          image:UNIT_TEST_IMAGE_URL
+                                                                            url:nil
+                                                                    description:nil
+                                                               objectProperties:nil];
+    NSDictionary *result = [self createObjectWithCreateRequest:createRequest];
+    NSString *objectId = [result objectForKey:@"id"];
+    
+    // check that we can get the object and the action
+    [self getAndCheckFBID:objectId
+       checkForProperties:@[@"title"]
+      withExpectedResults:@[@"Object Create Test"]];
+
+    NSMutableDictionary<FBGraphObject> *graphObject = [FBGraphObject openGraphObjectForPost];
+    [graphObject setObject:objectId forKey:@"id"];
+    [graphObject setObject:@"New Title" forKey:@"title"];
+    [graphObject setObject:@"new description" forKey:@"description"];
+    FBRequest *updateRequest = [FBRequest requestForUpdateOpenGraphObject:(id)graphObject];
+    
+    [self updateObjectWithRequest:updateRequest
+               checkForProperties:@[@"title", @"description"]
+                  expectedResults:@[@"New Title", @"new description"]];
+    
+    NSString *actionId = [self getAndCheckFBID:objectId
+       checkForProperties:@[@"title", @"description"]
+      withExpectedResults:@[@"New Title", @"new description"]];
+    
+    [self deleteId:actionId];
+}
+
+- (NSArray*)permissionsForDefaultTestSession
+{
+    return [NSArray arrayWithObjects:@"email",
+            @"publish_actions",
+            @"create_event",
+            @"read_stream",
+            nil];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.h
new file mode 100644
index 0000000..8a8dcd7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIntegrationTests.h"
+
+@interface FBSessionIntegrationTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.m
new file mode 100644
index 0000000..07d1b8f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBSessionIntegrationTests.m
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionIntegrationTests.h"
+#import "FBTestSession.h"
+#import "FBRequest.h"
+#import "FBGraphUser.h"
+#import "FBTestBlocker.h"
+#import "FBUtility.h"
+#import "FBError.h"
+#import "FBSessionTokenCachingStrategy.h"
+
+#if defined(FACEBOOKSDK_SKIP_SESSION_TESTS)
+
+#pragma message ("warning: Skipping FBSessionTests")
+
+#else
+
+#pragma mark - Test suite
+
+@implementation FBSessionIntegrationTests
+
+- (void)testSessionBasic
+{
+    FBConditionalLog(NO, @"Testing conditional %@", @"log");
+    FBConditionalLog(NO, @"Testing conditional log");
+    FBConditionalLog(YES, nil, @"Testing conditional log");
+    
+    // create valid
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    
+    FBTestSession *session = [FBTestSession sessionWithSharedUserWithPermissions:nil];
+    [session openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        [blocker signal];
+    }];
+    
+    [blocker wait];
+    
+    STAssertTrue(session.isOpen, @"Session should be valid, and is not");
+    
+    FBRequest *request = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:@"me"]
+                          autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id<FBGraphUser> me, NSError *error) {
+         STAssertTrue(me.id.length > 0, @"user id should be non-empty");
+         [blocker signal];
+     }];
+    
+    [blocker wait];
+    
+    [session close];
+}
+
+- (void)testSessionInvalidate
+{
+    // create valid
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    
+    __block BOOL wasNotifiedOfInvalid = NO;
+    FBTestSession *session = [FBTestSession sessionWithPrivateUserWithPermissions:nil];
+    [session openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        if (status == FBSessionStateClosed) {
+            wasNotifiedOfInvalid = YES;
+        }
+        [blocker signal];
+    }];
+    [blocker wait];
+    
+    STAssertTrue(session.isOpen, @"Session should be open, and is not");
+
+    __block NSString *userID = nil;
+    FBRequest *request1 = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:@"me"]
+                          autorelease];
+    [request1 startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id<FBGraphUser> me, NSError *error) {
+         userID = [me.id retain];
+         STAssertTrue(userID.length > 0, @"user id should be non-empty");
+         [blocker signal];
+     }];
+    
+    [blocker wait];
+
+    // use FBRequest to create an NSURLRequest
+    FBRequest *temp = [[FBRequest alloc] initWithSession:session
+                                               graphPath:userID
+                                              parameters:[NSDictionary dictionaryWithObjectsAndKeys:
+                                                          @"delete", @"method",
+                                                          nil]
+                                              HTTPMethod:nil];
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    [connection addRequest:temp completionHandler:nil];
+    NSURLRequest *urlRequest = connection.urlRequest;
+    [userID release];
+    [connection release];
+    [temp release];
+    
+    // synchronously delete the user
+    NSURLResponse *response;
+    NSError *error = nil;
+    NSData *data;
+    data = [NSURLConnection sendSynchronousRequest:urlRequest 
+                                 returningResponse:&response
+                                             error:&error];
+    // if !data or if data == false, log
+    NSString *body = !data ? nil : [[[NSString alloc] initWithData:data
+                                                          encoding:NSUTF8StringEncoding]
+                                    autorelease];    
+    STAssertTrue([body isEqualToString:@"true"], @"body should return 'true'");
+    
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:session
+                                                   graphPath:@"me"]
+                          autorelease];
+    [request2 startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id<FBGraphUser> me, NSError *error) {
+        STAssertTrue(error != nil, @"response should be an error due to deleted user");
+        [blocker signal];
+    }];
+    
+    STAssertFalse(wasNotifiedOfInvalid, @"should not have invalidated the token yet");
+    [blocker wait];
+    STAssertTrue(wasNotifiedOfInvalid, @"should have invalidated the token by now");
+    
+    [session close];
+}
+
+- (void)testSessionOpenFromAccessToken
+{
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    __block BOOL expectClosed = NO;
+    
+    // Open a test session normally for accesstoken/appid
+    FBTestSession *normalSession = [FBTestSession sessionWithPrivateUserWithPermissions:nil];
+    [normalSession openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        STAssertTrue(session.state == FBSessionStateOpen || expectClosed, @"Expected open session: %@, %@", session, error);
+        [blocker signal];
+    }];
+    [blocker wait];
+    
+    // Now construct the actual session under test (target) and open with the access token.
+    // Note just hack in expiration time of 3600 for the test.
+    FBSession* target = [[FBSession alloc] initWithAppID:normalSession.appID permissions:nil
+                                         defaultAudience:FBSessionDefaultAudienceFriends
+                                         urlSchemeSuffix:nil
+                                      tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]];
+    
+    FBAccessTokenData *tokenDataCopy = [normalSession.accessTokenData copy];
+    BOOL openResult = [target openFromAccessTokenData:tokenDataCopy
+                                    completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                        STAssertTrue(status == FBSessionStateOpen || expectClosed, @"status is :%d , error:%@:", status, error);
+                                        [blocker signal];
+                                    }];
+    STAssertTrue(openResult, @"expected openResult=YES");
+    [blocker wait];
+    
+    //final check, just do a request for me with the target
+    FBRequest *request = [[[FBRequest alloc] initWithSession:target
+                                                   graphPath:@"me"]
+                          autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id<FBGraphUser> me, NSError *error) {
+         STAssertTrue(me.id.length > 0, @"user id should be non-empty. error:%@", error);
+         [blocker signal];
+     }];
+    
+    [blocker wait];
+    
+    expectClosed = YES;
+    [target close];
+    [normalSession close];
+    [tokenDataCopy release];
+    [target release];
+}
+
+- (void)testSessionOpenFromAccessTokenAlreadyOpen
+{
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    __block BOOL expectClosed = NO;
+    
+    // Open a test session normally for accesstoken/appid
+    FBTestSession *target = [FBTestSession sessionWithPrivateUserWithPermissions:nil];
+    [target openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        STAssertTrue(session.state == FBSessionStateOpen || expectClosed, @"Expected open session: %@, %@", session, error);
+        [blocker signal];
+    }];
+    [blocker wait];
+    
+    FBAccessTokenData *tokenDataCopy = [target.accessTokenData copy];
+    
+    //Now try to open it again
+    STAssertThrowsSpecific([target openFromAccessTokenData:tokenDataCopy
+                                         completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                             STFail(@"Completion handler was unexpectedly invoked for session: %@", session);
+                                         }],
+                           NSException,
+                           FBInvalidOperationException);
+    
+    [tokenDataCopy release];
+}
+
+@end
+
+#endif
+
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.h b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.h
new file mode 100644
index 0000000..74903c6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIntegrationTests.h"
+
+@interface FBTestSessionTests : FBIntegrationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.m b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.m
new file mode 100644
index 0000000..f0c3d31
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FBTestSessionTests.m
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTestSessionTests.h"
+#import "FBTEstSession.h"
+#import "FBTestBlocker.h"
+#import "FBRequest.h"
+#import "FBAccessTokenData.h"
+#import <CommonCrypto/CommonDigest.h>
+
+#if defined(FACEBOOKSDK_SKIP_TEST_SESSION_TESTS)
+
+#pragma message ("warning: Skipping FBTestSessionTests")
+
+#else
+
+@interface FBTestSessionTests ()
+
+- (int)countTestUsers;
+
+@end
+
+@implementation FBTestSessionTests
+
+- (int)countTestUsers 
+{
+    // Get the number of test users. Use an FBTestSession without a user (and thus no
+    // access token), so we can specify our own access token.
+    FBTestSession *fqlSession = [FBTestSession sessionWithSharedUserWithPermissions:nil];
+    STAssertNil(fqlSession.accessTokenData, @"non-nil access token");
+    
+    __block FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    
+    NSString *fqlQuery = [NSString stringWithFormat:@"SELECT id FROM test_account WHERE app_id = %@", fqlSession.testAppID];
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                fqlQuery, @"q",
+                                fqlSession.appAccessToken, @"access_token", 
+                                nil];   
+    
+    __block int count = 0;
+    FBRequest *request = [[[FBRequest alloc] initWithSession:fqlSession
+                                                   graphPath:@"fql"
+                                                  parameters:parameters
+                                                  HTTPMethod:nil]
+                          autorelease];
+    [request startWithCompletionHandler:
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(result, @"nil result");
+        STAssertNil(error, @"non-nil error");
+        STAssertTrue([result isKindOfClass:[NSDictionary class]], @"not dictionary");
+        
+        id data = [result objectForKey:@"data"];
+        STAssertTrue([data isKindOfClass:[NSArray class]], @"not array");
+        
+        count = [data count];
+        
+        [blocker signal];
+    }];
+     
+    [blocker wait];
+    [blocker release];
+    
+    return count;
+}
+
+- (void)testSharedUserDoesntCreateUnnecessaryUsers
+{
+    // Create a shared user
+    FBTestSession *session = [FBTestSession sessionWithSharedUserWithPermissions:nil];
+    [self loginSession:session];
+    [session close];
+    
+    int startingUserCount = [self countTestUsers];
+    
+    // Try getting another shared user.
+    session = [FBTestSession sessionWithSharedUserWithPermissions:nil];
+    [self loginSession:session];
+    
+    int endingUserCount = [self countTestUsers];
+    
+    STAssertEquals(startingUserCount, endingUserCount, @"differing counts");
+    [session close];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Info.plist b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Info.plist
new file mode 100644
index 0000000..911d5ca
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Info.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.FacebookSDKIntegrationTests.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Prefix.pch b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Prefix.pch
new file mode 100644
index 0000000..c82d75a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/FacebookSDKIntegrationTests-Prefix.pch
@@ -0,0 +1,8 @@
+//
+// Prefix header for all source files of the 'FacebookSDKIntegrationTests' target in the 'FacebookSDKIntegrationTests' project
+//
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKIntegrationTests/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/src/FacebookSDKResources.bundle.README b/Vendor/facebook-ios-sdk/src/FacebookSDKResources.bundle.README
new file mode 100644
index 0000000..3ae35b4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/FacebookSDKResources.bundle.README
@@ -0,0 +1,44 @@
+The FacebookSDKResources.bundle is no longer required in order to use the SDK. You may provide a bundle in cases where you need to override strings or images (e.g. internationalization, etc.) See https://developers.facebook.com/docs/reference/ios/current/constants/FBSettings#resourceBundleName for more information.
+
+The following is a list of keys for string localization:
+
+/* FBLoginView (aka FBLV) */
+"FBLV:LogOutButton" = "Log Out";
+"FBLV:LogInButton" = "Log In";
+"FBLV:LoggedInAs" = "Logged in as: %@";
+"FBLV:LoggedInUsingFacebook" = "Logged in using Facebook";
+"FBLV:LogOutAction" = "Log Out";
+"FBLV:CancelAction" = "Cancel";
+
+/* FBPlacePickerViewController (FBPPVC) */
+"FBPPVC:NumWereHere" = "%@ were here";
+
+/* FBError (aka FBE) */
+"FBE:ReconnectApplication" = "Please log into this app again to reconnect your Facebook account.";
+"FBE:PasswordChangedDevice" = "Your Facebook password has changed. To confirm your password, open Settings > Facebook and tap your name.";
+"FBE:PasswordChanged" = "Your Facebook password has changed. Please log into this app again to reconnect your Facebook account.";
+"FBE:WebLogIn" = "Your Facebook account is locked. Please log into www.facebook.com to continue.";
+"FBE:AppNotInstalled" = "Please log into this app again to reconnect your Facebook account.";
+"FBE:GrantPermission" = "This app doesn’t have permission to do this. To change permissions, try logging into the app again.";
+"FBE:Unconfirmed" = "Your Facebook account is locked. Please log into www.facebook.com to continue.";
+"FBE:OAuthDevice" = "To use your Facebook account with this app, open Settings > Facebook and make sure this app is turned on.";
+"FBE:DeviceError"= "Something went wrong. Please make sure you're connected to the internet and try again.";
+"FBE:AlertMessageButton" = "OK";
+
+Images should be placed in a directory called FacebookSDKImages in the bundle.  Note that images will support @2x and -568h@2x.
+
+The following is a list of images supported:
+
+FacebookSDKImages\
+
+	FBDialogClose.png
+
+	FBFriendPickerViewDefault.png
+	
+	FBLoginViewLoginButtonSmall.png
+	FBLoginViewLoginButtonSmallPressed.png
+	
+	FBPlacePickerViewGenericPlace.png
+
+	FBProfilePictureViewBlankProfileSquare.png
+	FBProfilePictureViewBlankProfilePortrait.png
diff --git a/Vendor/facebook-ios-sdk/src/Framework/Resources/Info.plist b/Vendor/facebook-ios-sdk/src/Framework/Resources/Info.plist
new file mode 100644
index 0000000..0dd599a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Framework/Resources/Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>English</string>
+    <key>CFBundleExecutable</key>
+    <string>FacebookSDK</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.facebook.sdk</string>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>1.0</string>
+    <key>CFBundlePackageType</key>
+    <string>FMWK</string>
+    <key>CFBundleSignature</key>
+    <string>????</string>
+    <key>CFBundleVersion</key>
+    <string>1.0</string>
+  </dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose.png
new file mode 100644
index 0000000..ad01474
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose@2x.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose@2x.png
new file mode 100644
index 0000000..e3aff5a
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBDialog/FBDialogClose@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBFriendPickerView/FBFriendPickerViewDefault.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBFriendPickerView/FBFriendPickerViewDefault.png
new file mode 100755
index 0000000..9762eb8
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBFriendPickerView/FBFriendPickerViewDefault.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton.png
new file mode 100644
index 0000000..d8ef968
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton@2x.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton@2x.png
new file mode 100644
index 0000000..e232704
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButton@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed.png
new file mode 100644
index 0000000..ac5b4ad
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed@2x.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed@2x.png
new file mode 100644
index 0000000..5325347
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBLoginView/FBLoginViewButtonPressed@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBPlacePickerView/FBPlacePickerViewGenericPlace.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBPlacePickerView/FBPlacePickerViewGenericPlace.png
new file mode 100755
index 0000000..97ec3e6
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBPlacePickerView/FBPlacePickerViewGenericPlace.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfilePortrait.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfilePortrait.png
new file mode 100644
index 0000000..107d7f8
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfilePortrait.png differ
diff --git a/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfileSquare.png b/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfileSquare.png
new file mode 100644
index 0000000..8b4a76a
Binary files /dev/null and b/Vendor/facebook-ios-sdk/src/ImageResources/FBProfilePictureView/FBProfilePictureViewBlankProfileSquare.png differ
diff --git a/Vendor/facebook-ios-sdk/src/NSError+FBError.h b/Vendor/facebook-ios-sdk/src/NSError+FBError.h
new file mode 100644
index 0000000..423a663
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/NSError+FBError.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBError.h"
+
+/*!
+ @category NSError(FBError)
+ 
+ @abstract
+ Adds additional properties to NSError to provide more information for Facebook related errors. 
+ */
+@interface NSError (FBError)
+
+/*!
+ @abstract
+ Categorizes the error, if it is Facebook related, to simplify application mitigation behavior
+ 
+ @discussion
+ In general, in response to an error connecting to Facebook, an application should, retry the
+ operation, request permissions, reconnect the application, or prompt the user to take an action.
+ The error category can be used to understand the class of error received from Facebook.  For more infomation on this
+ see https://developers.facebook.com/docs/reference/api/errors/
+ */
+@property (readonly) FBErrorCategory fberrorCategory;
+
+/*!
+ @abstract
+ If YES indicates that a user action is required in order to successfully continue with the facebook operation
+ 
+ @discussion
+ In general if fberrorShouldNotifyUser is NO, then the application has a straightforward mitigation, such as
+ retry the operation or request permissions from the user, etc. In some cases it is necessary for the user to
+ take an action before the application continues to attempt a Facebook connection. For more infomation on this 
+ see https://developers.facebook.com/docs/reference/api/errors/
+ */
+@property (readonly) BOOL fberrorShouldNotifyUser;
+
+/*!
+ @abstract
+ A message suitable for display to the user, describing a user action necessary to enable Facebook functionality.
+ Not all Facebook errors yield a message suitable for user display; however in all cases where
+ fberrorShouldNotifyUser is YES, this property returns a localizable message suitable for display.
+ */
+@property (readonly, copy) NSString *fberrorUserMessage;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/NSError+FBError.m b/Vendor/facebook-ios-sdk/src/NSError+FBError.m
new file mode 100644
index 0000000..82660fd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/NSError+FBError.m
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "NSError+FBError.h"
+#import "FBErrorUtility.h"
+#import "FBError.h"
+
+@implementation NSError (FBError)
+
+- (FBErrorCategory) fberrorCategory {
+    return [FBErrorUtility errorCategoryForError:self];
+}
+
+- (NSString *) fberrorUserMessage {
+    return [FBErrorUtility userMessageForError:self];
+}
+
+- (BOOL) fberrorShouldNotifyUser {
+    return [FBErrorUtility shouldNotifyUserForError:self];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package-contents.xml b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package-contents.xml
new file mode 100644
index 0000000..bc1e5a7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package-contents.xml
@@ -0,0 +1 @@
+<pkg-contents spec="1.12"/>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package.xml b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package.xml
new file mode 100644
index 0000000..fe7ee91
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/01package.xml
@@ -0,0 +1 @@
+<pkgref spec="1.12" uuid="6382BBBB-4394-46D0-BC96-3A1AB933F6D3"><config><identifier>com.facebook.sdk.pkg</identifier><version>1.0</version><description></description><post-install type="none"/><installFrom relative="true" mod="true">../../build/package</installFrom><installTo mod="true">/</installTo><flags><followSymbolicLinks/></flags><packageStore type="internal"></packageStore><mod>installTo.path</mod><mod>requireAuthorization</mod><mod>installFrom.path</mod><mod>identifier</mod><mod>installTo</mod><mod>parent</mod></config><contents><file-list>01package-contents.xml</file-list><filter>/CVS$</filter><filter>/\.svn$</filter><filter>/\.cvsignore$</filter><filter>/\.cvspass$</filter><filter>/\.DS_Store$</filter></contents></pkgref>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/index.xml b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/index.xml
new file mode 100644
index 0000000..b9c6c02
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/Package/FacebookSDK.pmdoc/index.xml
@@ -0,0 +1 @@
+<pkmkdoc spec="1.12"><properties><title>Facebook iOS SDK</title><organization>com.facebook</organization><userSees ui="easy"/><min-target os="3"/><domain user="true"/></properties><distribution><versions min-spec="1.000000"/><scripts></scripts></distribution><contents><choice title="Contents" id="choice6" starts_selected="true" starts_enabled="true" starts_hidden="false"><pkgref id="com.facebook.sdk.pkg"/></choice></contents><resources bg-scale="none" bg-align="topleft"><locale lang="en"><resource relative="true" mod="true" type="readme">../../README</resource><resource relative="true" mod="true" type="conclusion">../../README</resource></locale></resources><flags/><item type="file">01package.xml</item><mod>properties.title</mod><mod>properties.anywhereDomain</mod><mod>properties.userDomain</mod></pkmkdoc>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..05ffea5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/project.pbxproj
@@ -0,0 +1,2296 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		2A68590615C1E37E001D4EDD /* FBSettings+Internal.h in Headers */ = {isa = PBXBuildFile; fileRef = 2A68590515C1E37E001D4EDD /* FBSettings+Internal.h */; };
+		5F0572B916156625008B54E6 /* FBAppEvents.h in Headers */ = {isa = PBXBuildFile; fileRef = 5F0572B716156625008B54E6 /* FBAppEvents.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		5F0572BA16156625008B54E6 /* FBAppEvents.m in Sources */ = {isa = PBXBuildFile; fileRef = 5F0572B816156625008B54E6 /* FBAppEvents.m */; };
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diff --git a/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/FacebookSDKIntegrationTests.xcscheme b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/FacebookSDKIntegrationTests.xcscheme
new file mode 100644
index 0000000..1d18975
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/FacebookSDKIntegrationTests.xcscheme
@@ -0,0 +1,109 @@
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+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
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+               BlueprintIdentifier = "030EF0DB14632FF700B04273"
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+         <BuildActionEntry
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+               BlueprintIdentifier = "85A44B9E16A8CE05007BE80E"
+               BuildableName = "FacebookSDKIntegrationTests.octest"
+               BlueprintName = "FacebookSDKIntegrationTests"
+               ReferencedContainer = "container:facebook-ios-sdk.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
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+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      buildConfiguration = "Debug">
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diff --git a/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk-tests.xcscheme b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk-tests.xcscheme
new file mode 100644
index 0000000..7cb9a80
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk-tests.xcscheme
@@ -0,0 +1,143 @@
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+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
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+            value = ""
+            isEnabled = "YES">
+         </AdditionalOption>
+         <AdditionalOption
+            key = "NSZombieEnabled"
+            value = "YES"
+            isEnabled = "YES">
+         </AdditionalOption>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk.xcscheme b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk.xcscheme
new file mode 100644
index 0000000..e27efd5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/facebook-ios-sdk.xcodeproj/xcshareddata/xcschemes/facebook-ios-sdk.xcscheme
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0460"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "D2AAC07D0554694100DB518D"
+               BuildableName = "libfacebook_ios_sdk.a"
+               BlueprintName = "facebook-ios-sdk"
+               ReferencedContainer = "container:facebook-ios-sdk.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      buildConfiguration = "Debug">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B9CBC518152537270036AA71"
+               BuildableName = "FacebookSDKTests.octest"
+               BlueprintName = "FacebookSDKTests"
+               ReferencedContainer = "container:facebook-ios-sdk.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B9CBC518152537270036AA71"
+            BuildableName = "FacebookSDKTests.octest"
+            BlueprintName = "FacebookSDKTests"
+            ReferencedContainer = "container:facebook-ios-sdk.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <EnvironmentVariables>
+         <EnvironmentVariable
+            key = "IOS_SDK_TEST_APP_ID"
+            value = "$(IOS_SDK_TEST_APP_ID)"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "IOS_SDK_MACHINE_UNIQUE_USER_KEY"
+            value = "$(IOS_SDK_MACHINE_UNIQUE_USER_KEY)"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "IOS_SDK_TEST_APP_SECRET"
+            value = "$(IOS_SDK_TEST_APP_SECRET)"
+            isEnabled = "YES">
+         </EnvironmentVariable>
+      </EnvironmentVariables>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/Vendor/facebook-ios-sdk/src/facebook_ios_sdk_Prefix.pch b/Vendor/facebook-ios-sdk/src/facebook_ios_sdk_Prefix.pch
new file mode 100644
index 0000000..bfb7394
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/facebook_ios_sdk_Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'CocoaTouchStaticLibrary' target in the 'CocoaTouchStaticLibrary' project.
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.h b/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.h
new file mode 100644
index 0000000..b392c0b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTests.h"
+
+@interface FBAppBridgeTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.m b/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.m
new file mode 100644
index 0000000..d969de3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppBridgeTests.m
@@ -0,0 +1,651 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <OCMock/OCMock.h>
+
+#import "FBAppBridgeTests.h"
+#import "FBAppBridge.h"
+#import "FBSettings.h"
+#import "FBUtility.h"
+#import "FBTestBlocker.h"
+#import "FBAppCall+Internal.h"
+#import "FBDialogsData+Internal.h"
+#import "FBIsURLHavingQueryParams.h"
+#import "FBIsStringRepresentingJSONDictionary.h"
+#import "FBError.h"
+
+NSString * const kTestAppID = @"123456789";
+NSString * const kTestURLScheme = @"fb123456789";
+NSString * const kTestVersion = @"1";
+NSString * const kTestAppName = @"Awesome App";
+NSString * const kTestURLSchemeSuffix = @"mysuffix";
+NSString * const kTestNonFacebookBundleIdentifier = @"com.notfacebook.hello";
+NSString * const kTestFacebookBundleIdentifier = @"com.facebook.hello";
+
+// If we create an FBDialogsData, we'll use this data.
+NSString * const kTestDialogMethod = @"some_dialog";
+
+NSString * const kNonAppBridgeAppCallURL = @"fb123456789://link?meal=Chicken&fb_applink_args=%7B%22version%22%3A2%2C%22bridge_args%22%3A%7B%22method%22%3A%22applink%22%7D%2C%22method_args%22%3A%7B%22ref%22%3A%22Tiramisu%22%7D%7D&fb_click_time_utc=123";
+
+@interface FBAppBridge (Testing)
+
+@property (nonatomic, retain) NSMutableDictionary *pendingAppCalls;
+@property (nonatomic, retain) NSMutableDictionary *callbacks;
+
++ (NSString *)symmetricKeyAndForceRefresh:(BOOL)forceRefresh;
+
+- (void)performDialogAppCall:(FBAppCall *)appCall
+                     version:(NSString *)version
+                     session:(FBSession *)session
+           completionHandler:(FBAppCallHandler)handler;
+
+@end
+
+@implementation FBAppBridgeTests
+{
+    id _mockApplication;
+    // This one is just here to keep UIApplication class methods mocked without a circular reference.
+    id _anotherMockApplication;
+    id _mockFBSettings;
+    id _mockFBUtility;
+}
+
+#pragma mark Helpers
+
+- (void)setUp {
+    // FBAppBridge relies on UIApplication for handling URLs; mock it and return
+    // the mock from [UIApplication sharedApplication]. This little dance is necessary to avoid
+    // a circular reference that keeps the class method from being unmocked.
+    _mockApplication = [OCMockObject mockForClass:[UIApplication class]];
+    _anotherMockApplication = [OCMockObject mockForClass:[UIApplication class]];
+    [[[_anotherMockApplication stub] andReturn:_mockApplication] sharedApplication];
+
+    // FBAppBridge assumes it can get an app ID.
+    _mockFBSettings = [OCMockObject mockForClass:[FBSettings class]];
+    [[[_mockFBSettings stub] andReturn:kTestAppID] defaultAppID];
+    [[[_mockFBSettings stub] andReturn:kTestAppName] defaultDisplayName];
+    
+    // Pretend that all URL schemes are registered or [FBAppCall init] will fail.
+    _mockFBUtility = [OCMockObject mockForClass:[FBUtility class]];
+    BOOL yes = YES;
+    [[[_mockFBUtility stub] andReturnValue:OCMOCK_VALUE(yes)]
+        isRegisteredURLScheme:kTestURLScheme];
+}
+
+- (void)tearDown {
+    // Deallocing the mock will also revert the class method mocking.
+    _mockApplication = nil;
+    _anotherMockApplication = nil;
+    _mockFBSettings = nil;
+    _mockFBUtility = nil;
+}
+
+- (FBAppCall *)newAppCall:(BOOL)withDialogsData {
+    return [self newAppCall:withDialogsData arguments:nil];
+}
+
+- (FBAppCall *)newAppCall:(BOOL)withDialogsData arguments:(NSDictionary *)arguments {
+    FBAppCall *appCall = [[[FBAppCall alloc] init] autorelease];
+    if (withDialogsData) {
+        appCall.dialogData = [[[FBDialogsData alloc] initWithMethod:kTestDialogMethod
+                                                         arguments:arguments] autorelease];
+    }
+    return appCall;
+}
+
+// Helpers to construct incoming URLs for testing handleOpenURL, etc.
+- (NSURL *)newAppBridgeURL {
+    return [self newAppBridgeURL:nil version:nil];
+}
+
+- (NSURL *)newAppBridgeURL:(NSString *)callId version:(NSString *)version {
+    return [self newAppBridgeURL:callId version:version methodArgs:nil clientState:nil];
+}
+
+- (NSURL *)newAppBridgeURL:(NSString *)callId
+                   version:(NSString *)version
+                methodArgs:(NSDictionary *)methodArgs
+               clientState:(NSDictionary *)clientState {
+    NSMutableDictionary *params = [[[NSMutableDictionary alloc] init] autorelease];
+    NSMutableDictionary *bridgeArgs = [[[NSMutableDictionary alloc] init] autorelease];
+
+    if (callId != nil) {
+        bridgeArgs[@"action_id"] = callId;
+    }
+    if (clientState.count > 0) {
+        bridgeArgs[@"client_state"] = [FBUtility simpleJSONEncode:clientState];
+    }
+    if (bridgeArgs.count > 0) {
+        params[@"bridge_args"] = [FBUtility simpleJSONEncode:bridgeArgs];
+    }
+    if (methodArgs.count > 0) {
+        params[@"method_args"] = [FBUtility simpleJSONEncode:methodArgs];
+    }
+    if (version != nil) {
+        params[@"version"] = version;
+    }
+
+    NSString *query = @"";
+    if (params.count > 0) {
+        query = [NSString stringWithFormat:@"?%@", [FBUtility stringBySerializingQueryParameters:params]];
+    }
+
+    NSString *urlString = [NSString stringWithFormat:@"%@://bridge/%@%@",
+                           kTestURLScheme, kTestDialogMethod, query];
+    return [NSURL URLWithString:urlString];
+}
+
+
+#pragma mark Class method tests
+
+- (void)testSharedInstanceIsSingleton {
+    assertThat([FBAppBridge sharedInstance], equalTo([FBAppBridge sharedInstance]));
+}
+
+#pragma mark dispatchDialogAppCall/performDialogAppCall tests
+
+- (void)testDispatchCallsPerformWithSameArgs {
+    // Most of the rest of our tests just call performDialogAppCall:... on the test
+    // thread to avoid threading complexity. But that shortcut assumes that dispatchDialogAppCall:...
+    // just dispatches performDialogAppCall: on the main thread. So this test asserts that
+    // the rest of the tests can make that simplifying assumption.
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    id mockAppBridge = [OCMockObject partialMockForObject:appBridge];
+
+    FBAppCall *appCall = [self newAppCall:NO];
+    FBSession *session = [[[FBSession alloc] init] autorelease];
+    id handler = ^(FBAppCall *call) {
+    };
+
+    [[mockAppBridge expect] performDialogAppCall:appCall
+                                         version:kTestVersion
+                                         session:session
+                               completionHandler:handler];
+    
+    [mockAppBridge dispatchDialogAppCall:appCall
+                                 version:kTestVersion
+                                 session:session
+                       completionHandler:handler];
+
+    [self waitForMainQueueToFinish];
+    [mockAppBridge verify];
+
+}
+
+- (void)testNoDialogDataResultsInNoCall {
+    [[_mockApplication reject] openURL:OCMOCK_ANY];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+
+    FBAppCall *appCall = [self newAppCall:NO];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:nil];
+
+    [_mockApplication verify];
+}
+
+- (void)testAppIDIncludedInGeneratedURL {
+    FBAppCall *appCall = [self newAppCall:YES];
+
+    id urlMatcher = hasQueryParams(hasEntry(@"app_id", kTestAppID));
+    [[_mockApplication expect] openURL:urlMatcher];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:nil];
+    
+    [_mockApplication verify];
+}
+
+- (void)testInitFailsIfMissingAppID {
+    _mockFBSettings = [OCMockObject mockForClass:[FBSettings class]];
+    [[[_mockFBSettings stub] andReturn:nil] defaultAppID];
+
+    STAssertThrowsSpecificNamed(
+                                [[[FBAppBridge alloc] init] autorelease],
+                                NSException,
+                                FBInvalidOperationException,
+                                @"expected exception");
+
+    [_mockApplication verify];
+}
+
+- (void)testAppMetadataIncludedInGeneratedURL {
+    FBAppCall *appCall = [self newAppCall:YES];
+
+    id urlMatcher = hasQueryParams(hasEntry(@"bridge_args",
+        representsJSONDictionary(hasEntries(
+                                            @"app_name", kTestAppName,
+                                            @"action_id", appCall.ID,
+                                            nil
+                                            ))));
+    [[_mockApplication expect] openURL:urlMatcher];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:nil];
+
+    [_mockApplication verify];
+}
+
+// TODO add a test for app icon being serialized correctly
+
+- (void)testClientStateIncludedInGeneratedURL {
+    FBAppCall *appCall = [self newAppCall:YES];
+
+    NSDictionary *clientState = @{@"foo": @"bar", @"hello": @"world"};
+    appCall.dialogData.clientState = clientState;
+    
+    id urlMatcher = hasQueryParams(hasEntry(@"bridge_args",
+        representsJSONDictionary(hasEntry(@"client_state", representsJSONDictionary(clientState)))));
+    [[_mockApplication expect] openURL:urlMatcher];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:nil];
+    
+    [_mockApplication verify];
+}
+
+- (void)testURLSchemeSuffixIncludedInGeneratedURL {
+    FBAppCall *appCall = [self newAppCall:YES];
+
+    FBSession *session = [[[FBSession alloc] initWithAppID:kTestAppID
+                                               permissions:nil
+                                           urlSchemeSuffix:kTestURLSchemeSuffix
+                                        tokenCacheStrategy:nil] autorelease];
+    
+    id urlMatcher = hasQueryParams(hasEntry(@"scheme_suffix", kTestURLSchemeSuffix));
+    [[_mockApplication expect] openURL:urlMatcher];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:session
+                  completionHandler:nil];
+    
+    [_mockApplication verify];
+}
+
+- (void)testMethodArgumentsIncludedInGeneratedURL {
+    NSDictionary *arguments = @{@"foo": @"bar", @"hello": @"world"};
+    FBAppCall *appCall = [self newAppCall:YES arguments:arguments];
+
+    id urlMatcher = hasQueryParams(hasEntry(@"method_args", representsJSONDictionary(arguments)));
+    [[_mockApplication expect] openURL:urlMatcher];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:nil];
+
+    [_mockApplication verify];
+}
+
+- (void)testAppCallIsTrackedOnSuccessfulOpen {
+    BOOL yes = YES;
+    [[[_mockApplication expect] andReturnValue:OCMOCK_VALUE(yes)] openURL:OCMOCK_ANY];
+
+    FBAppCall *appCall = [self newAppCall:YES];
+    id handler = ^(FBAppCall *call) {
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:handler];
+
+    [_mockApplication verify];
+
+    assertThat(appBridge.pendingAppCalls, hasEntry(appCall.ID, appCall));
+    assertThat(appBridge.callbacks, hasKey(appCall.ID));
+}
+
+- (void)testAppCallIsNotTrackedOnFailedOpen {
+    BOOL no = NO;
+    [[[_mockApplication expect] andReturnValue:OCMOCK_VALUE(no)] openURL:OCMOCK_ANY];
+
+    FBAppCall *appCall = [self newAppCall:YES];
+    id handler = ^(FBAppCall *call) {
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:handler];
+
+    [_mockApplication verify];
+
+    assertThat(appBridge.pendingAppCalls, isNot(hasKey(appCall.ID)));
+    assertThat(appBridge.callbacks, isNot(hasKey(appCall.ID)));
+}
+
+- (void)testHandlerCalledWithErrorOnFailedOpen {
+    BOOL no = NO;
+    [[[_mockApplication expect] andReturnValue:OCMOCK_VALUE(no)] openURL:OCMOCK_ANY];
+
+    FBAppCall *appCall = [self newAppCall:YES];
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, notNilValue());
+        assertThat(call.error.domain, equalTo(FacebookSDKDomain));
+        assertThatInteger(call.error.code, equalToInteger(FBErrorDialog));
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:handler];
+
+    [_mockApplication verify];
+
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+#pragma mark handleDidBecomeActive tests
+
+- (void)testPendingCallIsCanceledOnDidBecomeActive {
+    BOOL yes = YES;
+    [[[_mockApplication expect] andReturnValue:OCMOCK_VALUE(yes)] openURL:OCMOCK_ANY];
+
+    FBAppCall *appCall = [self newAppCall:YES];
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, notNilValue());
+        assertThat(call.error.domain, equalTo(FacebookSDKDomain));
+        assertThatInteger(call.error.code, equalToInteger(FBErrorAppActivatedWhilePendingAppCall));
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:handler];
+
+    [appBridge handleDidBecomeActive];
+    
+    [_mockApplication verify];
+
+    assertThatBool(handlerCalled, equalToBool(YES));
+
+}
+
+#pragma mark handleOpenURL tests
+
+- (void)testWrongURLSchemeReturnsNoWithoutCallingFallbackHandler {
+    NSURL *url = [NSURL URLWithString:@"nope://bridge/"];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:nil
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(NO));
+    assertThatBool(handlerCalled, equalToBool(NO));
+}
+
+- (void)testWrongURLHostReturnsNoWithoutCallingFallbackHandler {
+    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@/nope/", kTestURLScheme]];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:nil
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(NO));
+    assertThatBool(handlerCalled, equalToBool(NO));
+}
+
+- (void)testNonAppBridgeURLWithoutFallbackHandlerReturnsNo {
+    NSURL *url = [NSURL URLWithString:kNonAppBridgeAppCallURL];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:nil
+                                   session:nil
+                           fallbackHandler:nil];
+
+    assertThatBool(result, equalToBool(NO));
+}
+
+- (void)testNonAppBridgeURLCallsFallbackHandlerAndReturnsYes {
+    NSURL *url = [NSURL URLWithString:kNonAppBridgeAppCallURL];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:nil
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+- (void)testNonFacebookSourceApplicationFails {
+    NSURL *url = [self newAppBridgeURL];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, notNilValue());
+        assertThat(call.error.domain, equalTo(FacebookSDKDomain));
+        assertThatInteger(call.error.code, equalToInteger(FBErrorUntrustedURL));
+        
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestNonFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+- (void)testNonFacebookSourceApplicationChangesSymmetricKey {
+    NSURL *url = [self newAppBridgeURL];
+
+    NSString *oldKey = [FBAppBridge symmetricKeyAndForceRefresh:NO];
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestNonFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:nil];
+
+    assertThatBool(result, equalToBool(YES));
+    
+    NSString *newKey = [FBAppBridge symmetricKeyAndForceRefresh:NO];
+    assertThat(oldKey, isNot(equalTo(newKey)));
+}
+
+- (void)testURLWithoutCallIDFails {
+    NSURL *url = [self newAppBridgeURL:nil version:@"1"];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, notNilValue());
+        assertThat(call.error.domain, equalTo(FacebookSDKDomain));
+        assertThatInteger(call.error.code, equalToInteger(FBErrorMalformedURL));
+
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+- (void)testURLWithoutVersionFails {
+    NSURL *url = [self newAppBridgeURL:[FBUtility newUUIDString] version:nil];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, notNilValue());
+        assertThat(call.error.domain, equalTo(FacebookSDKDomain));
+        assertThatInteger(call.error.code, equalToInteger(FBErrorMalformedURL));
+
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+- (void)testURLWithUntrackedCallIDCallsFallbackHandler {
+    NSString *callID = [FBUtility newUUIDString];
+    NSDictionary *methodArgs = @{@"foo": @"bar"};
+    NSDictionary *clientState = @{@"hello": @"world"};
+    NSURL *url = [self newAppBridgeURL:callID version:@"1" methodArgs:methodArgs clientState:clientState];
+
+    BOOL __block handlerCalled = NO;
+    id handler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, nilValue());
+        assertThat(call.ID, equalTo(callID));
+
+        assertThat(call.dialogData, notNilValue());
+        assertThat(call.dialogData.method, equalTo(kTestDialogMethod));
+        assertThat(call.dialogData.arguments, equalTo(methodArgs));
+        assertThat(call.dialogData.clientState, equalTo(clientState));
+
+        handlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:handler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+}
+
+- (void)testURLWithTrackedCallIDCallsHandler {
+    NSDictionary *methodArgs = @{@"foo": @"bar"};
+    NSDictionary *clientState = @{@"hello": @"world"};
+
+    BOOL yes = YES;
+    [[[_mockApplication expect] andReturnValue:OCMOCK_VALUE(yes)] openURL:OCMOCK_ANY];
+
+    FBAppCall *appCall = [self newAppCall:YES arguments:methodArgs];
+    appCall.dialogData.clientState = clientState;
+
+    BOOL __block completionHandlerCalled = NO;
+    id completionHandler = ^(FBAppCall *call) {
+        assertThat(call, notNilValue());
+        assertThat(call.error, nilValue());
+        assertThat(call.ID, equalTo(appCall.ID));
+
+        assertThat(call.dialogData, notNilValue());
+        assertThat(call.dialogData.method, equalTo(kTestDialogMethod));
+        assertThat(call.dialogData.arguments, equalTo(methodArgs));
+        assertThat(call.dialogData.clientState, equalTo(clientState));
+
+        completionHandlerCalled = YES;
+    };
+
+    FBAppBridge *appBridge = [[[FBAppBridge alloc] init] autorelease];
+    [appBridge performDialogAppCall:appCall
+                            version:kTestVersion
+                            session:nil
+                  completionHandler:completionHandler];
+
+    [_mockApplication verify];
+
+    assertThat(appBridge.pendingAppCalls, hasEntry(appCall.ID, appCall));
+    assertThat(appBridge.callbacks, hasKey(appCall.ID));
+
+    // We should get original method args, client state, etc., even if they aren't in the URL.
+    NSURL *url = [self newAppBridgeURL:appCall.ID version:@"1" methodArgs:nil clientState:nil];
+
+    BOOL __block fallbackHandlerCalled = NO;
+    id fallbackHandler = ^(FBAppCall *call) {
+        fallbackHandlerCalled = YES;
+    };
+
+    BOOL result = [appBridge handleOpenURL:url
+                         sourceApplication:kTestFacebookBundleIdentifier
+                                   session:nil
+                           fallbackHandler:fallbackHandler];
+
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(fallbackHandlerCalled, equalToBool(NO));
+    assertThatBool(completionHandlerCalled, equalToBool(YES));
+    
+    assertThat(appBridge.pendingAppCalls, isNot(hasKey(appCall.ID)));
+    assertThat(appBridge.callbacks, isNot(hasKey(appCall.ID)));
+}
+
+#pragma mark Encryption/decryption tests
+
+// TODO
+
+#pragma mark Pasteboard tests
+
+// TODO
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.h b/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.h
new file mode 100644
index 0000000..39e0057
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface FBAppCallTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.m b/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.m
new file mode 100644
index 0000000..41798df
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppCallTests.m
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppCallTests.h"
+#import "FBAppCall+Internal.h"
+
+@implementation FBAppCallTests
+
+-(void) testAppCallFromURL {
+
+    NSURL *testURL = [[NSURL alloc] initWithString:@"scrumptious://link?meal=Chicken&fb_applink_args=%7B%22version%22%3A2%2C%22bridge_args%22%3A%7B%22method%22%3A%22applink%22%7D%2C%22method_args%22%3A%7B%22ref%22%3A%22Tiramisu%22%7D%7D"];
+    NSArray *expectedRef = @[@"Tiramisu"];
+
+    NSDictionary *expectedOriginalQueryParameters = @{@"meal": @"Chicken",
+                                                      @"fb_applink_args" : @"{\"version\":2,\"bridge_args\":{\"method\":\"applink\"},\"method_args\":{\"ref\":\"Tiramisu\"}}"};
+    
+    FBAppCall *target = [FBAppCall appCallFromURL:testURL];
+
+    STAssertNotNil(target, @"Failed to create an FBAppCall object");
+
+    STAssertEqualObjects(testURL, target.appLinkData.originalURL, @"Failed to match originalURL");
+    STAssertNil(target.appLinkData.actionTypes, @"Failed to correctly parse fb_action_types");
+    STAssertTrue([target.appLinkData.ref isEqualToArray:expectedRef], @"Failed to correctly parse fb_ref");
+    STAssertTrue([target.appLinkData.originalQueryParameters isEqualToDictionary:expectedOriginalQueryParameters], @"Incorrect originalQueryParameters");
+
+    STAssertNil(target.dialogData, @"Did not expect dialogData to be set.");
+    STAssertEqualObjects(@"Tiramisu", target.appLinkData.arguments[@"ref"], @"Failed to parse applinkdata arguments");
+}
+
+-(void) testAppCallFromURLWithTapTime {
+    
+    NSURL *testURL = [[NSURL alloc] initWithString:@"scrumptious://link?meal=Chicken&fb_applink_args=%7B%22version%22%3A2%2C%22bridge_args%22%3A%7B%22method%22%3A%22applink%22%7D%2C%22method_args%22%3A%7B%22ref%22%3A%22Tiramisu%22%7D%7D&fb_click_time_utc=123"];
+    NSArray *expectedRef = @[@"Tiramisu"];
+    
+    NSDictionary *expectedOriginalQueryParameters = @{@"meal": @"Chicken",
+                                                      @"fb_applink_args" : @"{\"version\":2,\"bridge_args\":{\"method\":\"applink\"},\"method_args\":{\"ref\":\"Tiramisu\"}}",
+                                                      @"fb_click_time_utc":@"123"
+                                                      };
+    
+    FBAppCall *target = [FBAppCall appCallFromURL:testURL];
+    
+    STAssertNotNil(target, @"Failed to create an FBAppCall object");
+    
+    STAssertEqualObjects(testURL, target.appLinkData.originalURL, @"Failed to match targetURL");
+    STAssertNil(target.appLinkData.actionTypes, @"Failed to correctly parse fb_action_types");
+    STAssertTrue([target.appLinkData.ref isEqualToArray:expectedRef], @"Failed to correctly parse fb_ref");
+    STAssertTrue([target.appLinkData.originalQueryParameters isEqualToDictionary:expectedOriginalQueryParameters], @"Incorrect originalQueryParameters");
+    
+    STAssertNil(target.dialogData, @"Did not expect dialogData to be set.");
+    STAssertEqualObjects(@"Tiramisu", target.appLinkData.arguments[@"ref"], @"Failed to parse applinkdata arguments");
+    STAssertEqualObjects(@"123", target.appLinkData.arguments[@"tap_time_utc"], @"Failed to parse applinkdata arguments (tap_time)");
+}
+
+- (void)testAppCallsWithSameIDAreEqual {
+    FBAppCall *appCall1 = [[FBAppCall alloc] initWithID:nil
+                                          enforceScheme:NO
+                                                  appID:nil
+                                        urlSchemeSuffix:nil];
+    FBAppCall *appCall2 = [[FBAppCall alloc] initWithID:appCall1.ID
+                                          enforceScheme:NO
+                                                  appID:nil
+                                        urlSchemeSuffix:nil];
+
+    assertThat(appCall1, equalTo(appCall2));
+    assertThatInteger([appCall1 hash], equalToInteger([appCall2 hash]));
+}
+
+- (void)testAppCallsAreNotEqual {
+    FBAppCall *appCall1 = [[FBAppCall alloc] initWithID:nil
+                                          enforceScheme:NO
+                                                  appID:nil
+                                        urlSchemeSuffix:nil];
+    FBAppCall *appCall2 = [[FBAppCall alloc] initWithID:nil
+                                          enforceScheme:NO
+                                                  appID:nil
+                                        urlSchemeSuffix:nil];
+
+    assertThat(appCall1, isNot(equalTo(appCall2)));
+    assertThat(appCall1, isNot(equalTo(nil)));
+    assertThat(appCall1, isNot(equalTo(@"string")));
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.h b/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.h
new file mode 100644
index 0000000..4b94751
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface FBAppLinkDataTests : SenTestCase 
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.m b/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.m
new file mode 100644
index 0000000..fbe693e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAppLinkDataTests.m
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAppLinkDataTests.h"
+#import "FBAppLinkData+Internal.h"
+#import "FBTests.h"
+
+@implementation FBAppLinkDataTests
+
+- (void)testParseTargetURL
+{
+    NSURL *testURL = [[NSURL alloc] initWithString:@"fb123://authorize#expires_in=0&access_token=12345&target_url=http://target-url.com/?deeplink=1&fb_action_types=action1,action2&fb_source=source&fb_ref=ref1,ref2"];
+    NSArray *testActionType = [[NSArray alloc] initWithObjects:@"action1", @"action2", nil];
+    NSArray *testRef = [[NSArray alloc] initWithObjects:@"ref1", @"ref2", nil];
+    NSDictionary *testOriginalQueryParameters = [[NSDictionary alloc] initWithObjectsAndKeys:@"0", @"expires_in",
+                                                                                             @"12345", @"access_token",
+                                                                                             @"http://target-url.com/?deeplink=1", @"target_url",
+                                                                                             @"action1,action2", @"fb_action_types",
+                                                                                             @"source", @"fb_source",
+                                                                                             @"ref1,ref2", @"fb_ref",
+                                                                                             nil];
+        
+    FBAppLinkData *contentLink = [FBAppLinkData createFromURL:testURL];
+    
+    STAssertNotNil(contentLink, @"Failed to create an FBAppLinkData object");
+    STAssertEqualObjects([[NSURL alloc] initWithString:@"http://target-url.com/?deeplink=1"], contentLink.targetURL, @"Failed to correctly parse target_url");
+    STAssertTrue([contentLink.actionTypes isEqualToArray:testActionType], @"Failed to correctly parse fb_action_types");
+    STAssertTrue([contentLink.ref isEqualToArray:testRef], @"Failed to correctly parse fb_ref");
+    STAssertTrue([contentLink.originalQueryParameters isEqualToDictionary:testOriginalQueryParameters], @"Incorrect originalQueryParameters");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.h b/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.h
new file mode 100644
index 0000000..946f48e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@class FBTestBlocker;
+
+// Methods in the base class will generate successful results using these strings
+
+extern NSString *const kAuthenticationTestValidToken;
+extern NSString *const kAuthenticationTestAppId;
+
+@interface FBAuthenticationTests : SenTestCase {
+    @protected
+    
+    FBTestBlocker *_blocker;
+}
+
+- (void)mockSession:(id)mockSession
+supportSystemAccount:(BOOL)supportSystemAccount;
+
+- (void)mockSession:(id)mockSession
+expectSystemAccountAuth:(BOOL)expect
+            succeed:(BOOL)succeed;
+
+- (void)mockSession:(id)mockSession
+supportMultitasking:(BOOL)supportMultitasking;
+
+- (void)mockSession:(id)mockSession
+expectFacebookAppAuth:(BOOL)expect
+                try:(BOOL)try
+            results:(NSDictionary*)results;
+
+- (void)mockSession:(id)mockSession
+   expectSafariAuth:(BOOL)expect
+                try:(BOOL)try
+            results:(NSDictionary*)results;
+
+- (void)mockSession:(id)mockSession
+expectLoginDialogAuth:(BOOL)expect
+            succeed:(BOOL)succeed;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.m b/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.m
new file mode 100644
index 0000000..6b4a35d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBAuthenticationTests.m
@@ -0,0 +1,242 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAuthenticationTests.h"
+#import "FBSession.h"
+#import "FBSystemAccountStoreAdapter.h"
+#import "FBRequest.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBTestBlocker.h"
+#import "FBUtility.h"
+
+NSString *const kAuthenticationTestValidToken = @"AToken";
+NSString *const kAuthenticationTestAppId = @"AnAppid";
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+@interface FBSession (AuthenticationTesting)
+
+- (void)authorizeUsingSystemAccountStore:(NSArray*)permissions
+                         defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                           isReauthorize:(BOOL)isReauthorize;
+- (BOOL)authorizeUsingFacebookApplication:(NSMutableDictionary *)params;
+- (void)authorizeUsingLoginDialog:(NSMutableDictionary *)params;
+- (BOOL)authorizeUsingSafari:(NSMutableDictionary *)params;
+- (FBSystemAccountStoreAdapter *)getSystemAccountStoreAdapter;
+- (NSString *)appBaseUrl;
+- (BOOL)tryOpenURL:(NSURL *)url;
+
+@end
+
+// FBRequest has a helper we want to borrow.
+@interface FBRequest (Testing)
+
++ (NSString *)serializeURL:(NSString *)baseUrl
+                    params:(NSDictionary *)params;
+
+@end
+
+@interface FBAuthenticationTests() {
+    id _mockFBUtility;
+}
+@end
+
+@implementation FBAuthenticationTests
+
+- (void)setUp {
+    [super setUp];
+
+    [[FBSessionTokenCachingStrategy defaultInstance] clearToken];
+    
+    FBSession.defaultAppID = kAuthenticationTestAppId;
+    FBSession.defaultUrlSchemeSuffix = nil;
+    FBSession.activeSession = nil;
+
+    _blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+    
+    // Before every authentication test, set up a fake FBFetchedAppSettings
+    // to prevent fetching app settings during FBSession authorizeWithPermissions
+    _mockFBUtility = [[OCMockObject mockForClass:[FBUtility class]] retain];
+    FBFetchedAppSettings *dummyFBFetchedAppSettings = [[[FBFetchedAppSettings alloc] init] autorelease];
+    [[[_mockFBUtility stub] andReturn:dummyFBFetchedAppSettings] fetchedAppSettings];
+    [[[_mockFBUtility stub] andReturn:nil] advertiserID];  //also stub advertiserID since that often hangs.
+}
+
+- (void)tearDown {
+    [super tearDown];
+
+    [_blocker release];
+    _blocker = nil;
+    
+    [_mockFBUtility release];
+    _mockFBUtility = nil;
+}
+
+- (void)mockSuccessRequestAccessToFacebookAccountStore:(NSArray *)permissions
+                                       defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                         isReauthorize:(BOOL)isReauthorize
+                                                 appID:(NSString *)appID
+                                               session:(FBSession *)session
+                                               handler:(FBRequestAccessToAccountsHandler)handler {
+    handler(kAuthenticationTestValidToken, nil);
+}
+
+- (void)mockFailureRequestAccessToFacebookAccountStore:(NSArray *)permissions
+                                       defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                                         isReauthorize:(BOOL)isReauthorize
+                                                 appID:(NSString *)appID
+                                               session:(FBSession *)session
+                                               handler:(FBRequestAccessToAccountsHandler)handler {
+    NSError *error = [NSError errorWithDomain:@"TODO" code:0 userInfo:nil];
+    handler(nil, error);
+}
+
+- (id)createMockSystemAccountStoreAdapter:(BOOL)succeed defaultAudience:(FBSessionDefaultAudience)defaultAudience
+{
+    id mockSystemAccountStoreAdapter = [OCMockObject mockForClass:[FBSystemAccountStoreAdapter class]];
+    
+    SEL selectorToCall = nil;
+    if (succeed) {
+        selectorToCall = @selector(mockSuccessRequestAccessToFacebookAccountStore:defaultAudience:isReauthorize:appID:session:handler:);
+    } else {
+        selectorToCall = @selector(mockFailureRequestAccessToFacebookAccountStore:defaultAudience:isReauthorize:appID:session:handler:);
+    }
+    
+    // Now actually mock the call to run our handler.
+    [[[mockSystemAccountStoreAdapter stub] andCall:selectorToCall onObject:self]
+     requestAccessToFacebookAccountStore:[OCMArg any]
+     defaultAudience:defaultAudience
+     isReauthorize:NO
+     appID:[OCMArg any]
+     session:[OCMArg any]
+     handler:[OCMArg any]];
+    
+    return mockSystemAccountStoreAdapter;
+}
+
+- (void)mockSession:(id)mockSession supportSystemAccount:(BOOL)supportSystemAccount {
+    [[[[_mockFBUtility stub] classMethod] andReturnValue:OCMOCK_VALUE(supportSystemAccount)] isSystemAccountStoreAvailable];
+}
+
+
+- (void)mockSession:(id)mockSession
+expectSystemAccountAuth:(BOOL)expect
+            succeed:(BOOL)succeed {
+    FBSessionDefaultAudience defaultAudience = FBSessionDefaultAudienceNone;
+    
+    id expectOrReject = nil;
+    if (expect) {
+        expectOrReject = [[mockSession expect] andForwardToRealObject];
+        
+        id mockSystemAccountStoreAdapter =[self createMockSystemAccountStoreAdapter:succeed
+                                                                    defaultAudience:defaultAudience];
+        
+        [[[mockSession stub] andReturn:mockSystemAccountStoreAdapter] getSystemAccountStoreAdapter];
+    } else {
+        expectOrReject = [mockSession reject];
+    }
+    [expectOrReject authorizeUsingSystemAccountStore:[OCMArg any]
+                                     defaultAudience:defaultAudience
+                                       isReauthorize:NO];
+}
+
+- (void)mockSession:(id)mockSession supportMultitasking:(BOOL)supportMultitasking {
+    [[[[_mockFBUtility stub] classMethod] andReturnValue:OCMOCK_VALUE(supportMultitasking)] isMultitaskingSupported];
+}
+
+- (void)mockSession:(id)mockSession
+expectFacebookAppAuth:(BOOL)expect
+                try:(BOOL)try
+            results:(NSDictionary*)results {
+    if (expect) {
+        // Note: we call the real implementation, but always return 'try' regardless of what it does
+        id mock = [[[mockSession expect] andForwardToRealObject] andReturnValue:OCMOCK_VALUE(try)];
+        
+        // We stub out tryOpenURL: below, and we fake a response (if we were told to)
+        if (try && results) {
+            mock = [mock andDo:^(NSInvocation *invocation) {
+                dispatch_after(DISPATCH_TIME_NOW, dispatch_get_current_queue(), ^{
+                    NSString *baseURL = [NSString stringWithFormat:@"fb%@://authorize", kAuthenticationTestAppId];
+                    
+                    // Cheat and use FBRequest's helper
+                    NSString *urlString = [FBRequest serializeURL:baseURL params:results];
+                    NSURL *url = [NSURL URLWithString:urlString];
+                    
+                    // Assume the app developer calls [FBSession handleOpenURL] on the correct session.
+                    [mockSession handleOpenURL:url];
+                });
+            }];
+        }
+        
+        // We mock authorizeUsingFacebookApplication rather than tryOpenURL to avoid conflicting
+        // with mockSession:expectSafariAuth:try:succeed:
+        [mock authorizeUsingFacebookApplication:[OCMArg any]];
+        
+        // Make tryOpenURL: a no-op so it doesn't actually call out.
+        BOOL no = NO;
+        [[[mockSession stub] andReturnValue:OCMOCK_VALUE(no)] tryOpenURL:[OCMArg any]];
+    } else {
+        [[mockSession reject] authorizeUsingFacebookApplication:[OCMArg any]];
+    }
+}
+
+- (void)mockSession:(id)mockSession
+ expectSafariAuth:(BOOL)expect
+                try:(BOOL)try
+            results:(NSDictionary*)results {
+    // TODO succeed
+    if (expect) {
+        // Note: we call the real implementation, but always return 'try' regardless of what it does
+        id mock = [[[mockSession expect] andForwardToRealObject] andReturnValue:OCMOCK_VALUE(try)];
+        
+        // We stub out tryOpenURL: below, and we fake a response (if we were told to)
+        if (try && results) {
+            mock = [mock andDo:^(NSInvocation *invocation) {
+                dispatch_after(DISPATCH_TIME_NOW, dispatch_get_current_queue(), ^{
+                    NSString *baseURL = [NSString stringWithFormat:@"fb%@://authorize", kAuthenticationTestAppId];
+                    
+                    // Cheat and use FBRequest's helper
+                    NSString *urlString = [FBRequest serializeURL:baseURL params:results];
+                    NSURL *url = [NSURL URLWithString:urlString];
+                    
+                    // Assume the app developer calls [FBSession handleOpenURL] on the correct session.
+                    [mockSession handleOpenURL:url];
+                });
+            }];
+        }
+        
+        // We mock authorizeUsingFacebookApplication rather than tryOpenURL to avoid conflicting
+        // with mockSession:expectFacebookAppAuth:try:succeed:
+        [mock authorizeUsingSafari:[OCMArg any]];
+        
+        // Make tryOpenURL: a no-op so it doesn't actually call out.
+        BOOL no = NO;
+        [[[mockSession stub] andReturnValue:OCMOCK_VALUE(no)] tryOpenURL:[OCMArg any]];
+    } else {
+        [[mockSession reject] authorizeUsingSafari:[OCMArg any]];
+    }
+}
+
+- (void)mockSession:(id)mockSession expectLoginDialogAuth:(BOOL)expect succeed:(BOOL)succeed {
+    // TODO succeed
+    if (expect) {
+        [[mockSession expect] authorizeUsingLoginDialog:[OCMArg any]];
+    } else {
+        [[mockSession reject] authorizeUsingLoginDialog:[OCMArg any]];
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.h b/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.h
new file mode 100644
index 0000000..5716b97
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTests.h"
+
+@interface FBBatchRequestTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.m b/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.m
new file mode 100644
index 0000000..edb04cd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBBatchRequestTests.m
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBBatchRequestTests.h"
+#import "FBTestSession.h"
+#import "FBRequestConnection.h"
+#import "FBRequest.h"
+#import "FBTestBlocker.h"
+#import "FBGraphUser.h"
+#import "FBSettings.h"
+
+@implementation FBBatchRequestTests
+
+- (void)testBatchWithTwoSessionlessRequestsAndNoDefaultAppID
+{
+    [FBSettings setDefaultAppID:nil];
+
+    FBRequest *request1 = [[[FBRequest alloc] initWithSession:nil
+                                                    graphPath:@"zuck"]
+                           autorelease];
+    FBRequest *request2 = [[[FBRequest alloc] initWithSession:nil
+                                                    graphPath:@"zuck"]
+                           autorelease];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    
+    [connection addRequest:request1 
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+         }];
+    [connection addRequest:request2
+         completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+         }];
+    
+    STAssertThrows([connection start], @"didn't throw");    
+    [connection release];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.h b/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.h
new file mode 100644
index 0000000..41b3b4a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBCacheIndex.h"
+#import "FBDataDiskCache.h"
+#import "FBTests.h"
+
+@interface FBCacheTests : FBTests // TODO<FBCacheIndexFileDelegate>
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.m b/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.m
new file mode 100644
index 0000000..feb9465
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBCacheTests.m
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBCacheTests.h"
+#import "FBDataDiskCache.h"
+#import "FBCacheIndex.h"
+#import "FBTests.h"
+#import "FBTestBlocker.h"
+#import "FBCacheDescriptor.h"
+#import "FBFriendPickerViewController+Internal.h"
+#import "FBFriendPickerViewController.h"
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBRequestConnection+Internal.h"
+
+@class FBCacheEntityInfo;
+
+@implementation FBCacheTests
+
+#pragma mark - Setup/Teardown
+
+- (void)setUp
+{
+}
+
+- (void)tearDown
+{
+}
+
+// TODO: write unit tests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.h b/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.h
new file mode 100644
index 0000000..851dadc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAuthenticationTests.h"
+
+@interface FBFacebookAppAuthenticationTests : FBAuthenticationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.m b/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.m
new file mode 100644
index 0000000..f849656
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBFacebookAppAuthenticationTests.m
@@ -0,0 +1,464 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBFacebookAppAuthenticationTests.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBTestBlocker.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBUtility.h"
+#import <objc/objc-runtime.h>
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+@implementation FBFacebookAppAuthenticationTests
+{
+    Method _originalIsRegisteredCheck;
+    Method _swizzledIsRegisteredCheck;
+}
+
++ (BOOL)isRegisteredURLSchemeReplacement:(NSString *)url
+{
+    return YES;
+}
+
+- (void)setUp {
+    [super setUp];
+    _originalIsRegisteredCheck = class_getClassMethod([FBUtility class], @selector(isRegisteredURLScheme:));
+    _swizzledIsRegisteredCheck = class_getClassMethod([self class], @selector(isRegisteredURLSchemeReplacement:));
+    method_exchangeImplementations(_originalIsRegisteredCheck, _swizzledIsRegisteredCheck);
+}
+
+- (void)tearDown {
+    [super tearDown];
+    method_exchangeImplementations(_swizzledIsRegisteredCheck, _originalIsRegisteredCheck);
+    _originalIsRegisteredCheck = nil;
+    _swizzledIsRegisteredCheck = nil;
+}
+
+- (void)testOpenTriesFacebookAppAuthFirstWithFallbackToWebView {
+    [self testImplOpenTriesFacebookAppAuthFirstWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testOpenTriesFacebookAppAuthFirstWithNoFallbackToWebView {
+    [self testImplOpenTriesFacebookAppAuthFirstWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testImplOpenTriesFacebookAppAuthFirstWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:behavior
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+- (void)testOpenDoesNotTryFacebookAppAuthWithSystemAccount {
+    [self testImplOpenDoesNotTryFacebookAppAuthWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                                               expectSystem:YES];
+}
+
+- (void)testOpenDoesNotTryFacebookAppAuthWithForcingWebView {
+    [self testImplOpenDoesNotTryFacebookAppAuthWithBehavior:FBSessionLoginBehaviorForcingWebView
+                                               expectSystem:NO];
+}
+
+- (void)testImplOpenDoesNotTryFacebookAppAuthWithBehavior:(FBSessionLoginBehavior)behavior
+                                             expectSystem:(BOOL)expectSystem {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:expectSystem succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:!expectSystem succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:behavior
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+// The following tests validate that a successful results results in an open session,
+// for each login behavior that is appropriate.
+- (void)testFacebookAppAuthSuccessWithFallbackToWebView {
+    [self testImplFacebookAppAuthSuccessWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testFacebookAppAuthSuccessWithNoFallbackToWebView {
+    [self testImplFacebookAppAuthSuccessWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testFacebookAppAuthSuccessWithUseSystemAccount {
+    [self testImplFacebookAppAuthSuccessWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+}
+
+- (void)testImplFacebookAppAuthSuccessWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             kAuthenticationTestValidToken, @"access_token",
+                             @"3600", @"expires_in",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block BOOL handlerCalled = NO;
+    [session openWithBehavior:behavior completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+        [_blocker signal];
+    }];
+    
+    STAssertTrue([_blocker waitWithTimeout:1], @"blocker timed out");
+    
+    [(id)mockSession verify];
+    
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(mockSession.accessToken, equalTo(kAuthenticationTestValidToken));
+    assertThatInt(mockSession.loginType, equalToInt(FBSessionLoginTypeFacebookApplication));
+    // TODO assert expiration date is what we set it to (within delta)
+    
+    [session release];
+}
+
+// The following tests validate that the 'service_disabled_use_browser' error response results
+// in Safari auth being attempted, for each login behavior that is appropriate.
+- (void)testFacebookAppAuthDisabledTriesSafariWithFallbackToWebView {
+    [self testFacebookAppAuthDisabledTriesSafariWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testFacebookAppAuthDisabledTriesSafariWithNoFallbackToWebView {
+    [self testFacebookAppAuthDisabledTriesSafariWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testFacebookAppAuthDisabledTriesSafariWithUseSystemAccount {
+    [self testFacebookAppAuthDisabledTriesSafariWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+}
+
+- (void)testFacebookAppAuthDisabledTriesSafariWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             @"service_disabled_use_browser", @"error",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+
+// The following tests validate that the 'service_disabled' error response results
+// in a login dialog auth being attempted, for each login behavior that is appropriate.
+
+// TODO: these do not work as expected; should FBSession be calling with fallback:YES?
+/*
+ - (void)testFacebookAppAuthDisabledTriesLoginDialogWithFallbackToWebView {
+ [self testFacebookAppAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+ }
+ 
+ - (void)testFacebookAppAuthDisabledTriesLoginDialogWithNoFallbackToWebView {
+ [self testFacebookAppAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+ }
+ 
+ - (void)testFacebookAppAuthDisabledTriesLoginDialogWithUseSystemAccount {
+ [self testFacebookAppAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+ }
+ */
+
+- (void)testFacebookAppAuthDisabledTriesLoginDialogWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             @"service_disabled", @"error",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:YES succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+ // The following tests validate that a successful results results in an open session,
+ // for each login behavior that is appropriate.
+ - (void)testFacebookAppAuthErrorWithFallbackToWebView {
+ [self testImplFacebookAppAuthErrorWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+ }
+ 
+ - (void)testFacebookAppAuthErrorWithNoFallbackToWebView {
+ [self testImplFacebookAppAuthErrorWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+ }
+ 
+ - (void)testFacebookAppAuthErrorWithUseSystemAccount {
+ [self testImplFacebookAppAuthErrorWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+ }
+
+- (void)testImplFacebookAppAuthErrorWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             @"an error code", @"error_code",
+                             @"an error reason", @"error",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block BOOL handlerCalled = NO;
+    __block NSError *handlerError = nil;
+    [session openWithBehavior:behavior completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+        handlerError = [error retain];
+        [_blocker signal];
+    }];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateClosedLoginFailed));
+    assertThat(handlerError, notNilValue());
+
+    [session release];
+}
+/*
+- (void)testReauthorizeSuccess {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             kAuthenticationTestValidToken, @"access_token",
+                             @"3600", @"expires_in",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block BOOL handlerCalled = NO;
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+        [_blocker signal];
+    }];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    results = [NSDictionary dictionaryWithObjectsAndKeys:
+               @"anewtoken", @"access_token",
+               @"3600", @"expires_in",
+               nil];
+
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"perm1", @"perm2", nil];
+    [session requestNewReadPermissions:requestedPermissions completionHandler:^(FBSession *session, NSError *error) {
+        [_blocker signal];
+    }];
+
+    [_blocker waitWithTimeout:.01];
+    
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+    assertThat(session.accessToken, equalTo(@"anewtoken"));
+    assertThatInt(session.loginType, equalToInt(FBSessionLoginTypeFacebookApplication));
+//    assertThat(session.permissions, contains(@"perm1", @"perm2", nil));
+    
+    [session release];
+}
+*/
+#pragma mark handleDidBecomeActive tests
+
+// [FBSession handleDidBecomeActive] isn't specifically related to Facebook app authentication,
+// but it is simpler to test it using the infrastructure we have in this class.
+
+- (void)testHandleDidBecomeActiveDuringAuth {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateCreatedOpening));
+    
+    [session handleDidBecomeActive];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateClosedLoginFailed));
+    assertThat(session.permissions, isNot(contains(@"permission1", nil)));
+    
+    [session release];
+}
+
+- (void)testHandleDidBecomeActiveDuringReauth {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // First time through, we want valid results
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             kAuthenticationTestValidToken, @"access_token",
+                             @"3600", @"expires_in",
+                             nil];
+
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateOpen));
+    
+    // On the reauth, don't provide results, which will simulate a reauth that is still in progress.
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:nil];
+
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", nil];
+    __block NSError *handlerError = nil;
+    [session requestNewReadPermissions:requestedPermissions
+                     completionHandler:^(FBSession *session, NSError *error) {
+        handlerError = error;
+    }];
+
+    [session handleDidBecomeActive];
+    
+    assertThat(handlerError, notNilValue());
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+    assertThat(session.permissions, isNot(contains(@"permission1", nil)));
+    
+    [session release];
+}
+
+// TODO finish Facebook app auth tests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.h b/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.h
new file mode 100644
index 0000000..371118c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTests.h"
+
+@interface FBGraphObjectTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.m b/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.m
new file mode 100644
index 0000000..016dca9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBGraphObjectTests.m
@@ -0,0 +1,342 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequest.h"
+#import "FBRequestConnection.h"
+#import "FBGraphObjectTests.h"
+#import "FBGraphObject.h"
+#import "FBGraphUser.h"
+#import "FBGraphPlace.h"
+#import "FBGraphLocation.h"
+#import "FBTestBlocker.h"
+#import "FBTests.h"
+
+@protocol TestGraphProtocolTooManyArgs<FBGraphObject>
+- (int)thisMethod:(int)has too:(int)many args:(int)yikes;
+@end
+
+@protocol TestGraphProtocolOptionalMethod<FBGraphObject>
+@optional
+- (NSString*)name;
+@end
+
+@protocol TestGraphProtocolVeryFewMethods<FBGraphObject>
+@end
+
+@protocol T1<FBGraphObject>
+- (NSString*)name;
+@end
+
+@protocol T2
+@end
+
+@protocol TestGraphProtocolBoooBadLineage
+- (NSString*)name;
+@end
+
+@protocol TestGraphProtocolBoooBadLineage2<TestGraphProtocolTooManyArgs>
+- (NSString*)title;
+@end
+
+@protocol TestGraphProtocolGoodLineage3<T1, T2>
+- (NSString*)title;
+@end
+
+@protocol TestGraphProtocolGoodLineage<TestGraphProtocolVeryFewMethods>
+- (NSString*)title;
+@end
+
+@protocol TestGraphProtocolGoodLineage2<TestGraphProtocolVeryFewMethods, T1>
+- (NSString*)title;
+@end
+
+@protocol NamedGraphObject<FBGraphObject>
+@property (nonatomic, retain) NSString *name;
+@end
+
+@protocol NamedGraphObjectWithExtras<NamedGraphObject>
+- (void)methodWithAnArg:(id)arg1 andAnotherArg:(id)arg2;
+@end
+
+@implementation FBGraphObjectTests
+
+- (void)testCreateEmptyGraphObject {
+    id<FBGraphObject> graphObject = [FBGraphObject graphObject];
+    STAssertNotNil(graphObject, @"could not create FBGraphObject");
+}
+
+- (void)testCanSetProperty {
+    id<NamedGraphObject> graphObject = (id<NamedGraphObject>)[FBGraphObject graphObject];
+    [graphObject setName:@"A name"];
+    assertThat([graphObject name], equalTo(@"A name"));
+}
+
+- (void)testRespondsToSelector {
+    id<NamedGraphObject> graphObject = (id<NamedGraphObject>)[FBGraphObject graphObject];
+    BOOL respondsToSelector = [graphObject respondsToSelector:@selector(setName:)];
+    assertThatBool(respondsToSelector, equalToBool(YES));
+}
+
+- (void)testDoesNotHandleNonGetterSetter {
+    @try {
+        id<NamedGraphObjectWithExtras> graphObject = (id<NamedGraphObjectWithExtras>)[FBGraphObject graphObject];
+        [graphObject methodWithAnArg:@"foo" andAnotherArg:@"bar"];
+        STFail(@"should have gotten exception");
+    } @catch (NSException* exception) {
+    }
+}
+
+- (void)testCanRemoveObject {
+    NSDictionary *initial = [[NSDictionary alloc] initWithObjectsAndKeys:
+                             @"value", @"key",
+                             nil];
+    NSMutableDictionary<FBGraphObject> *graphObject = [FBGraphObject graphObjectWrappingDictionary:initial];
+    
+    STAssertNotNil([graphObject objectForKey:@"key"], @"should have 'key'");
+    
+    [graphObject removeObjectForKey:@"key"];
+
+    STAssertNil([graphObject objectForKey:@"key"], @"should not have 'key'");
+}
+
+- (void)testWrapWithGraphObject
+{
+    // construct a dictionary with an array and object as values
+    NSMutableDictionary *d = [NSMutableDictionary dictionary];
+    [d setObject:[NSArray arrayWithObjects:@"one", [NSMutableDictionary dictionary], @"three", nil] 
+          forKey:@"array"];
+    [d setObject:[NSMutableDictionary dictionary] forKey:@"object"];
+    
+    // make sure we got the object we expected when FBGraphObject-ifying it
+    id obj = [FBGraphObject graphObjectWrappingDictionary:d];
+    STAssertTrue([obj class] == [FBGraphObject class], @"Wrong class for resulting graph object");
+        
+    // make sure we don't double-wrap
+    id obj2 = [FBGraphObject graphObjectWrappingDictionary:obj];
+    STAssertTrue(obj == obj2, @"Different object implies faulty double-wrap");
+    
+    // use inferred implementation to fetch obj.array
+    NSMutableArray *arr = [obj performSelector:@selector(array)];
+    
+    // did we get our array?
+    STAssertTrue([arr isKindOfClass:[NSMutableArray class]], @"Wrong class for resulting graph object array");
+    
+    // make sure we don't double-wrap arrays
+    obj2 = [FBGraphObject performSelector:@selector(graphObjectWrappingObject:) withObject:arr];
+    STAssertTrue(arr == obj2, @"Different object implies faulty double-wrap");
+    
+    // is the first object the expected object?
+    STAssertTrue([[arr objectAtIndex:0] isEqual:@"one"], @"Wrong array contents");
+    
+    // is the second index in the array wrapped?
+    STAssertTrue([[arr objectAtIndex:1] class] == [FBGraphObject class], @"Wrong class for array element");
+    
+    // is the second object in the dictionary wrapped?
+    STAssertTrue([[obj objectForKey:@"object"] class] == [FBGraphObject class], @"Wrong class for object item");
+    
+    // nil case?
+    STAssertNil([FBGraphObject graphObjectWrappingDictionary:nil], @"Wrong result for nil wrapper");
+}
+
+- (void)testGraphObjectProtocolImplInference
+{
+    // get an object
+    NSMutableDictionary *obj = [NSMutableDictionary dictionary];
+    obj = [FBGraphObject graphObjectWrappingDictionary:obj];
+    
+    // assert its ability to be used with graph protocols (Note: new graph protocols should get a new line here
+    STAssertTrue([obj conformsToProtocol:@protocol(FBGraphUser)], @"protocol inference is broken");
+    STAssertTrue([obj conformsToProtocol:@protocol(FBGraphPlace)], @"protocol inference is broken");
+    STAssertTrue([obj conformsToProtocol:@protocol(FBGraphLocation)], @"protocol inference is broken");
+    
+    // prove to ourselves we aren't always getting a yes
+    STAssertFalse([obj conformsToProtocol:@protocol(TestGraphProtocolTooManyArgs)], @"protocol should not be inferrable");
+    STAssertFalse([obj conformsToProtocol:@protocol(TestGraphProtocolOptionalMethod)], @"protocol should not be inferrable");
+    STAssertFalse([obj conformsToProtocol:@protocol(TestGraphProtocolBoooBadLineage)], @"protocol should not be inferrable");
+    STAssertFalse([obj conformsToProtocol:@protocol(TestGraphProtocolBoooBadLineage2)], @"protocol should not be inferrable");
+
+    // some additional yes cases
+    STAssertTrue([obj conformsToProtocol:@protocol(TestGraphProtocolGoodLineage)], @"protocol inference is broken");
+    STAssertTrue([obj conformsToProtocol:@protocol(TestGraphProtocolGoodLineage2)], @"protocol inference is broken");
+    STAssertTrue([obj conformsToProtocol:@protocol(TestGraphProtocolVeryFewMethods)], @"protocol should be inferrable");
+    STAssertTrue([obj conformsToProtocol:@protocol(TestGraphProtocolGoodLineage3)], @"protocol should be inferrable");
+}
+
+- (void)testGraphObjectSameID
+{
+    NSString *anID = @"1234567890";
+    
+    id obj = [NSMutableDictionary dictionary];
+    [obj setObject:anID forKey:@"id"];
+    obj = [FBGraphObject graphObjectWrappingDictionary:obj];
+    
+    id objSameID = [NSMutableDictionary dictionary];
+    [objSameID setObject:anID forKey:@"id"];
+    objSameID = [FBGraphObject graphObjectWrappingDictionary:objSameID];
+    
+    id objDifferentID = [NSMutableDictionary dictionary];
+    [objDifferentID setObject:@"999999" forKey:@"id"];
+    objDifferentID = [FBGraphObject graphObjectWrappingDictionary:objDifferentID];
+    
+    id objNoID = [NSMutableDictionary dictionary];
+    objNoID = [FBGraphObject graphObjectWrappingDictionary:objNoID];
+    id objAnotherNoID = [NSMutableDictionary dictionary];
+    objAnotherNoID = [FBGraphObject graphObjectWrappingDictionary:objAnotherNoID];
+    
+    STAssertTrue([FBGraphObject isGraphObjectID:obj sameAs:objSameID], @"same ID");
+    STAssertTrue([FBGraphObject isGraphObjectID:obj sameAs:obj], @"same object");
+    
+    STAssertFalse([FBGraphObject isGraphObjectID:obj sameAs:objDifferentID], @"not same ID");
+    
+    // Objects with no ID should never match
+    STAssertFalse([FBGraphObject isGraphObjectID:obj sameAs:objNoID], @"no ID");
+    STAssertFalse([FBGraphObject isGraphObjectID:objNoID sameAs:obj], @"no ID");
+    
+    // Nil objects should never match an object with an ID
+    STAssertFalse([FBGraphObject isGraphObjectID:obj sameAs:nil], @"nil object");
+    STAssertFalse([FBGraphObject isGraphObjectID:nil sameAs:obj], @"nil object");
+    
+    // Having no ID is different than being a nil object
+    STAssertFalse([FBGraphObject isGraphObjectID:objNoID sameAs:nil], @"nil object");
+    
+    // Two objects with no ID shouldn't match unless they are the same object.
+    STAssertFalse([FBGraphObject isGraphObjectID:objNoID sameAs:objAnotherNoID], @"no IDs but different objects");
+    STAssertTrue([FBGraphObject isGraphObjectID:objNoID sameAs:objNoID], @"no ID but same object");
+}
+
+- (id)graphObjectWithUnwrappedData
+{
+    NSDictionary *rawDictionary1 = [NSDictionary dictionaryWithObjectsAndKeys:@"world", @"hello", nil];
+    NSDictionary *rawDictionary2 = [NSDictionary dictionaryWithObjectsAndKeys:@"world", @"bye", nil];
+    NSArray *rawArray1 = [NSArray arrayWithObjects:@"anda1", @"anda2", @"anda3", nil];
+    NSArray *rawArray2 = [NSArray arrayWithObjects:@"anda1", @"anda2", @"anda3", nil];
+    
+    NSDictionary *rawObject = [NSDictionary dictionaryWithObjectsAndKeys:
+                               rawDictionary1, @"dict1",
+                               rawDictionary2, @"dict2",
+                               rawArray1, @"array1",
+                               rawArray2, @"array2",
+                               nil];
+    NSDictionary<FBGraphObject> *graphObject = [FBGraphObject graphObjectWrappingDictionary:rawObject];
+    
+    return graphObject;
+}
+
+- (void)traverseGraphObject:(id)graphObject
+{
+    if ([graphObject isKindOfClass:[NSDictionary class]]) {
+        for (NSString *key in graphObject) {
+            id value = [graphObject objectForKey:key];
+            STAssertNotNil(value, @"missing value");
+            [self traverseGraphObject:value];
+        }
+    } else if ([graphObject isKindOfClass:[NSArray class]]) {
+        for (NSString *value in graphObject) {
+            STAssertNotNil(value, @"missing value");
+            [self traverseGraphObject:value];
+        }
+    }
+}
+
+- (void)testEnumeration
+{
+    id graphObject = [self graphObjectWithUnwrappedData];
+    [self traverseGraphObject:graphObject];
+}
+
+- (void)testArrayObjectEnumerator
+{
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+
+    NSEnumerator *enumerator = [array objectEnumerator];
+    id o;
+    int count = 0;
+    while (o = [enumerator nextObject]) {
+        assertThat(o, notNilValue());
+        count++;
+    }
+    assertThatInt(count, equalToInt(3));
+}
+
+- (void)testArrayObjectReverseEnumerator
+{
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    
+    NSEnumerator *enumerator = [array reverseObjectEnumerator];
+    id o;
+    int count = 0;
+    while (o = [enumerator nextObject]) {
+        assertThat(o, notNilValue());
+        count++;
+    }
+    assertThatInt(count, equalToInt(3));
+}
+
+- (void)testInsertObjectAtIndex {
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    [array insertObject:@"two" atIndex:1];
+    
+    assertThat([array objectAtIndex:1], equalTo(@"two"));
+    
+}
+
+- (void)testRemoveObjectAtIndex {
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    [array removeObjectAtIndex:1];
+    
+    assertThatInteger([array count], equalToInteger(2));
+}
+
+- (void)testAddObject {
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    [array addObject:@"four"];
+
+    assertThat([array objectAtIndex:3], equalTo(@"four"));
+}
+
+- (void)testRemoveLastObject {
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    [array removeLastObject];
+    
+    assertThatInteger([array count], equalToInteger(2));
+}
+
+- (void)testReplaceObjectAtIndex {
+    NSMutableDictionary<FBGraphObject> *obj = [self createGraphObjectWithArray];
+    NSMutableArray *array = [obj objectForKey:@"array"];
+    [array replaceObjectAtIndex:1 withObject:@"two"];
+    
+    assertThat([array objectAtIndex:1], equalTo(@"two"));
+}
+
+- (NSMutableDictionary<FBGraphObject> *)createGraphObjectWithArray {
+    NSMutableDictionary *d = [NSMutableDictionary dictionary];
+    [d setObject:[NSArray arrayWithObjects:@"one", [NSMutableDictionary dictionary], @"three", nil]
+          forKey:@"array"];
+    [d setObject:[NSMutableDictionary dictionary] forKey:@"object"];
+    
+    NSMutableDictionary<FBGraphObject> *obj = [FBGraphObject graphObjectWrappingDictionary:d];
+
+    return obj;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.h b/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.h
new file mode 100644
index 0000000..0d0506f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <OCHamcrestIOS/HCBaseMatcher.h>
+
+@interface FBIsStringRepresentingJSONDictionary : HCBaseMatcher
+{
+    id<HCMatcher> valueMatcher;
+}
+
++ (id)isStringRepresentingJSONDictionary:(id<HCMatcher>)aValueMatcher;
+- (id)initWithValue:(id<HCMatcher>)aValueMatcher;
+
+@end
+
+OBJC_EXPORT id<HCMatcher> FB_representsJSONDictionary(id valueMatcher);
+
+#ifdef HC_SHORTHAND
+    #define representsJSONDictionary FB_representsJSONDictionary
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.m b/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.m
new file mode 100644
index 0000000..009a824
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBIsStringRepresentingJSONDictionary.m
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIsStringRepresentingJSONDictionary.h"
+#import "FBUtility.h"
+#import <OCHamcrestIOS/HCDescription.h>
+#import <OCHamcrestIOS/HCWrapInMatcher.h>
+
+@implementation FBIsStringRepresentingJSONDictionary
+
++ (id)isStringRepresentingJSONDictionary:(id<HCMatcher>)aValueMatcher
+{
+    return [[self alloc] initWithValue:aValueMatcher];
+}
+
+- (id)initWithValue:(id<HCMatcher>)aValueMatcher
+{
+    self = [super init];
+    if (self != nil)
+    {
+        valueMatcher = aValueMatcher;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [self matches:item describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)string describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    if (![string isKindOfClass:[NSString class]]) {
+        [super describeMismatchOf:string to:mismatchDescription];
+        return NO;
+    }
+
+    NSDictionary *dict = [FBUtility simpleJSONDecode:string];
+    if (![dict isKindOfClass:[NSDictionary class]]) {
+        [[mismatchDescription appendText:@"no JSON dictionary in "]
+         appendDescriptionOf:string];
+        return NO;
+    }
+
+    if (![valueMatcher matches:dict]) {
+        return NO;
+    }
+
+    return YES;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"a string representing a JSON dictionary { "];
+    [description appendDescriptionOf:valueMatcher];
+    [description appendText:@"}"];
+}
+
+@end
+
+#pragma mark -
+
+id<HCMatcher> FB_representsJSONDictionary(id valueMatcher)
+{
+    return [FBIsStringRepresentingJSONDictionary isStringRepresentingJSONDictionary:
+            HCWrapInMatcher(valueMatcher)];
+}
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.h b/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.h
new file mode 100644
index 0000000..536262c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <OCHamcrestIOS/HCBaseMatcher.h>
+
+@interface FBIsURLHavingQueryParams : HCBaseMatcher
+{
+    id<HCMatcher> valueMatcher;
+}
+
++ (id)isURLHavingQueryParams:(id<HCMatcher>)aValueMatcher;
+- (id)initWithValue:(id<HCMatcher>)aValueMatcher;
+
+@end
+
+OBJC_EXPORT id<HCMatcher> FB_hasQueryParams(id valueMatcher);
+
+#ifdef HC_SHORTHAND
+    #define hasQueryParams FB_hasQueryParams
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.m b/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.m
new file mode 100644
index 0000000..c788b8e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBIsURLHavingQueryParams.m
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBIsURLHavingQueryParams.h"
+#import "FBUtility.h"
+#import <OCHamcrestIOS/HCDescription.h>
+#import <OCHamcrestIOS/HCWrapInMatcher.h>
+
+@implementation FBIsURLHavingQueryParams
+
++ (id)isURLHavingQueryParams:(id<HCMatcher>)aValueMatcher
+{
+    return [[self alloc] initWithValue:aValueMatcher];
+}
+
+- (id)initWithValue:(id<HCMatcher>)aValueMatcher
+{
+    self = [super init];
+    if (self != nil)
+    {
+        valueMatcher = aValueMatcher;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [self matches:item describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)url describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    if (![url isKindOfClass:[NSURL class]]) {
+        [super describeMismatchOf:url to:mismatchDescription];
+        return NO;
+    }
+
+    id query = [url query];
+    if (![query isKindOfClass:[NSString class]]) {
+        [[mismatchDescription appendText:@"no query in "]
+                               appendDescriptionOf:url];
+        return NO;
+    }
+
+    NSDictionary *queryParams = [FBUtility dictionaryByParsingURLQueryPart:query];
+    if (![valueMatcher matches:queryParams]) {
+        return NO;
+    }
+
+    return YES;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"an NSURL containing query parameters { "];
+    [description appendDescriptionOf:valueMatcher];
+    [description appendText:@"}"];
+}
+
+@end
+
+#pragma mark -
+
+id<HCMatcher> FB_hasQueryParams(id valueMatcher)
+{
+    return [FBIsURLHavingQueryParams isURLHavingQueryParams:HCWrapInMatcher(valueMatcher)];
+}
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.h b/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.h
new file mode 100644
index 0000000..d138e0b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAuthenticationTests.h"
+
+@interface FBLoginDialogAuthenticationTests : FBAuthenticationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.m b/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.m
new file mode 100644
index 0000000..746866e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBLoginDialogAuthenticationTests.m
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBLoginDialogAuthenticationTests.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBTestBlocker.h"
+#import "FBAccessTokenData+Internal.h"
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+@implementation FBLoginDialogAuthenticationTests
+
+// TODO login dialog auth tests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.h b/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.h
new file mode 100644
index 0000000..3f4f749
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTests.h"
+
+@interface FBRequestConnectionTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.m b/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.m
new file mode 100644
index 0000000..92528de
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBRequestConnectionTests.m
@@ -0,0 +1,460 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <OCMock/OCMock.h>
+#import <OHHTTPStubs/OHHTTPStubs.h>
+
+#import "FBAccessTokenData.h"
+#import "FBRequestConnectionTests.h"
+#import "FBTestSession.h"
+#import "FBTestSession+Internal.h"
+#import "FBRequestConnection.h"
+#import "FBRequestConnection+Internal.h"
+#import "FBRequest.h"
+#import "FBSession.h"
+#import "FBTestBlocker.h"
+#import "FBURLConnection.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBUtility.h"
+
+// This is just to silence compiler warnings since we access internal methods in some tests.
+@interface FBSession (Testing)
+
+- (BOOL)shouldExtendAccessToken;
+
+@end
+
+@interface FBRequestConnection (Testing)
+
+- (FBURLConnection *)newFBURLConnection;
+
+@end
+
+@interface FBRequestConnectionTests() {
+    id _mockFBUtility;
+}
+@end
+
+@implementation FBRequestConnectionTests
+
+- (void)setUp {
+    [super setUp];
+    _mockFBUtility = [[OCMockObject mockForClass:[FBUtility class]] retain];
+    [[[_mockFBUtility stub] andReturn:nil] advertiserID];  //also stub advertiserID since that often hangs.
+}
+
+- (void)tearDown {
+    [_mockFBUtility release];
+    _mockFBUtility = nil;
+    
+    [super tearDown];
+}
+
+- (void)testWillNotPiggybackIfWouldExceedBatchSize
+{
+    // Get a swizzled session that will always want to extend its access token.
+    FBSession *session = [self createAndOpenSessionWithMockToken];
+    FBSession *swizzledSession = [OCMockObject partialMockForObject:session];
+    BOOL yes = YES;
+    [[[(id)swizzledSession stub] andReturnValue:OCMOCK_VALUE(yes)] shouldExtendAccessToken];
+    
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    
+    // Swizzle the connection not actually send any requests; we don't care what happens to the requests.
+    FBURLConnection *mockURLConnection = [OCMockObject niceMockForClass:[FBURLConnection class]];
+    FBRequestConnection *swizzledConnection = [OCMockObject partialMockForObject:connection];
+    [[[(id)swizzledConnection expect] andReturn:mockURLConnection] newFBURLConnection];
+    
+    const int batchSize = 50;
+    for (int i = 0; i < batchSize; ++i) {
+        FBRequest *request = [[[FBRequest alloc] initWithSession:swizzledSession graphPath:@"me"] autorelease];
+        
+        // Minimize traffic by just getting our id.
+        [request.parameters setObject:@"id" forKey:@"fields"];
+        
+        [swizzledConnection addRequest:request completionHandler:[self handlerExpectingSuccessSignaling:nil]];
+    }
+    [swizzledConnection start];
+    
+    NSArray *requests = [swizzledConnection performSelector:@selector(requests)];
+    STAssertTrue(requests.count == batchSize, @"piggybacked but shouldn't have");
+    [connection release];
+}
+
+- (void)testNoRequests
+{
+    FBRequestConnection *connection = [[FBRequestConnection alloc] init];
+    STAssertThrows([connection start], @"should throw");
+    [connection release];
+}
+
+// Simple test to verify FBRequestConnectionErrorBehaviorRetry.
+- (void)testRetryBehavior
+{
+    __block int requestCount = 0;
+    
+    // Mock response to generate a retry attempt.
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake error object that will be categorized as Retry.
+        NSData *data =  [@"{\"error\": {\"message\": \"Retry this\",\"code\": 190,\"error_subcode\": 65000}}" dataUsingEncoding:NSUTF8StringEncoding];
+        
+        requestCount++;
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:400
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorRetry;
+    
+    __block int handlerCount = 0;
+    [connection addRequest:[FBRequest requestForMe] completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertEquals(0, handlerCount++, @"user handler invoked more than once");
+        [blocker signal];
+    } ];
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:1], @"timed out waiting for request to return");
+    STAssertEquals(2, requestCount, @"expected number of retries not met");
+    
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+// happy path test for FBRequestConnectionErrorBehaviorReconnectSession
+- (void)testReconnectBehavior
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]] autorelease];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil permissionsRefreshDate:[NSDate date]];
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    
+    __block int requestCount = 0;
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake error object that will be categorized for reconnecting the session. Note this error is only for non-batched requests.
+        // If there is a test failure, you should verify the requests.count == 1 and debug that if it's not; otherwise this error response will likely cause
+        // an unrelated error to be surfaced. For example, the session init above set the permissionsRefreshDate to [NSDate date]. If it had not,
+        // there could be piggy-backed permissions request which would then expect a batch response. So, this test doubles to verify there was no
+        // piggybacked request when the permissionRefreshDate is set.
+        NSData *data =  [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" dataUsingEncoding:NSUTF8StringEncoding];
+        
+        requestCount++;
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:400
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *request =[[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int handlerCount = 0;
+    [connection addRequest:request completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertEquals(0, handlerCount++, @"user handler invoked more than once");
+        [blocker signal];
+    } ];
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:1], @"timed out waiting for request to return");
+    STAssertEquals(2, requestCount, @"expected number of retries not met");
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+// happy path test for FBRequestConnectionErrorBehaviorReconnectSession
+// with 2 failed requests in a batch (make sure both are retried)
+- (void)testReconnectBehaviorBatch
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil permissionsRefreshDate:[NSDate date]];
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    
+    __block int requestCount = 0;
+
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake batch response with two errors that will be categorized for reconnecting the session
+        NSString *errorBodyString = [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
+        NSData *data =  [[NSString stringWithFormat:@"["
+                          "{\"code\":400,\"body\":\"%@\"},"
+                          "{\"code\":400,\"body\":\"%@\"}"
+                          "]",
+                          errorBodyString,
+                          errorBodyString]
+                         dataUsingEncoding:NSUTF8StringEncoding];       
+        requestCount++;
+        
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *requestPermissions =[[[FBRequest alloc] initWithSession:session graphPath:@"me/permissions"] autorelease];
+    FBRequest *requestFriends =[[[FBRequest alloc] initWithSession:session graphPath:@"me/friends"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int userHandlerPermissionsCount = 0;
+    __block int userHandlerFriendsCount = 0;
+    [connection addRequest:requestPermissions completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerPermissionsCount++;
+        [blocker signal];
+    } ];
+    [connection addRequest:requestFriends completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerFriendsCount++;
+        [blocker signal];
+    } ];
+
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:1], @"timed out waiting for request to return");
+    STAssertEquals(2, requestCount, @"expected number of retries not met");
+    STAssertEquals(1, userHandlerPermissionsCount, @"user handler was not invoked once.");
+    STAssertEquals(1, userHandlerFriendsCount, @"user handler was not invoked once.");
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+// test for FBRequestConnectionErrorBehaviorReconnectSession
+// with a batch request where 1 request succeeds.
+- (void)testReconnectBehaviorBatchPartialSuccess
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil permissionsRefreshDate:[NSDate date]];
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    
+    __block int requestCount = 0;
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake batch response with 1 success (permissions) and 1 failure.
+        // Note this technically means the retried /friends request gets this stubbed
+        // batch response as well which doesn't matter for this test in particular.
+        NSString *errorBodyString = [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
+        NSData *data =  [[NSString stringWithFormat:@"["
+                          "{\"code\":200,\"body\":\"%@\"},"
+                          "{\"code\":400,\"body\":\"%@\"}"
+                          "]",
+                          [@"{\"data\":[ { \"installed\":1, \"basic_info\":1} ] }" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""],
+                          errorBodyString]
+                         dataUsingEncoding:NSUTF8StringEncoding];
+        requestCount++;
+        
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:2];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *requestPermissions =[[[FBRequest alloc] initWithSession:session graphPath:@"me/permissions"] autorelease];
+    FBRequest *requestFriends =[[[FBRequest alloc] initWithSession:session graphPath:@"me/friends"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int userHandlerPermissionsCount = 0;
+    __block int userHandlerFriendsCount = 0;
+    [connection addRequest:requestPermissions completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerPermissionsCount++;
+        // also make sure the permisisons request got the expected response from the stub above
+        STAssertNotNil(result[@"data"][0][@"installed"], @"Didn't find permissions for installed");
+        STAssertNotNil(result[@"data"][0][@"basic_info"], @"Didn't find permissions for basic_info");
+        [blocker signal];
+    } ];
+    [connection addRequest:requestFriends completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerFriendsCount++;
+        [blocker signal];
+    } ];
+    
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:2], @"timed out waiting for request to return");
+    STAssertEquals(2, requestCount, @"expected number of retries not met");
+    STAssertEquals(1, userHandlerPermissionsCount, @"user handler was not invoked once.");
+    STAssertEquals(1, userHandlerFriendsCount, @"user handler was not invoked once.");
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+// test for FBRequestConnectionErrorBehaviorReconnectSession
+// where the reconnect (aka reauthorize) is declined.
+- (void)testReconnectBehaviorDeclineLogin
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]] autorelease];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil];
+    session.disableReauthorize = YES;
+    
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    
+    __block int requestCount = 0;
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake error object that will be categorized for reconnecting the session
+        NSData *data =  [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" dataUsingEncoding:NSUTF8StringEncoding];
+        
+        requestCount++;
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:400
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[[FBTestBlocker alloc] init] autorelease];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *request =[[[FBRequest alloc] initWithSession:session graphPath:@"me"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int handlerCount = 0;
+    [connection addRequest:request completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertEquals(0, handlerCount++, @"user handler invoked more than once");
+        [blocker signal];
+    } ];
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:1], @"timed out waiting for request to return");
+    // Unlike the tests above, there should be no retry since the user declined the relogin;
+    // therefore the error behavior should have immediately invoked the user handler to the fbrequest.
+    STAssertEquals(1, requestCount, @"expected number of attempts not met");
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+// test to exercise FBRequestConnectionErrorBehaviorReconnectSession
+// with a permissions refresh piggybacked and the original request fails (and should be retried).
+- (void)testReconnectBehaviorBatchWithPermissionsRefresh
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil];
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    
+    __block int requestCount = 0;
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        // Construct a fake batch response with 1 failure and 1 success (permissions piggyback).
+        // Note this technically means the retried /friends request gets this stubbed
+        // batch response as well which doesn't matter for this test in particular.
+        NSString *errorBodyString = [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
+        NSData *data =  [[NSString stringWithFormat:@"["
+                          "{\"code\":400,\"body\":\"%@\"},"
+                          "{\"code\":200,\"body\":\"%@\"}"
+                          "]",
+                          errorBodyString,
+                          [@"{\"data\":[ { \"installed\":1, \"basic_info\":1} ] }" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""]]
+                         dataUsingEncoding:NSUTF8StringEncoding];
+        requestCount++;
+        
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *requestFriends =[[[FBRequest alloc] initWithSession:session graphPath:@"me/friends"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int userHandlerFriendsCount = 0;
+    [connection addRequest:requestFriends completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerFriendsCount++;
+        [blocker signal];
+    } ];
+    
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:2], @"timed out waiting for request to return");
+    STAssertEquals(2, requestCount, @"expected number of retries not met");
+    STAssertEquals(1, userHandlerFriendsCount, @"user handler was not invoked once.");
+    [OHHTTPStubs removeAllRequestHandlers];
+    NSTimeInterval timeSincePermissionsRefresh = [session.accessTokenData.permissionsRefreshDate timeIntervalSinceNow];
+    STAssertTrue(timeSincePermissionsRefresh > -3, @"permissions refresh date should be within a few seconds of now");
+}
+
+// test to exercise FBRequestConnectionErrorBehaviorReconnectSession
+// with a permissions refresh piggybacked (which fails) and the original request succeeds.
+// there should be no retry since the session should not be closed.
+- (void)testReconnectBehaviorBatchWithPermissionsRefreshFailure
+{
+    // Create a fake session that is already open
+    // Note we rely on FBTestSession automatically succeeding reauthorize.
+    FBTestSession *session = [[FBTestSession alloc] initWithAppID:@"appid" permissions:nil defaultAudience:FBSessionDefaultAudienceOnlyMe urlSchemeSuffix:nil tokenCacheStrategy:[FBSessionTokenCachingStrategy nullCacheInstance]];
+    FBAccessTokenData *tokenData = [FBAccessTokenData createTokenFromString:@"token" permissions:nil expirationDate:nil loginType:FBSessionLoginTypeFacebookViaSafari refreshDate:nil];
+    [session openFromAccessTokenData:tokenData completionHandler:nil];
+    STAssertEquals([NSDate distantPast], session.accessTokenData.permissionsRefreshDate, @"permissions refresh date was not initialized properly to distantPast");
+    __block int requestCount = 0;
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        NSString *errorBodyString = [@"{\"error\": {\"message\": \"Reconnect this\",\"code\": 190,\"error_subcode\": 463}}" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
+        NSData *data =  [[NSString stringWithFormat:@"["
+                          "{\"code\":200,\"body\":\"%@\"},"
+                          "{\"code\":400,\"body\":\"%@\"}"
+                          "]",
+                          [@"{\"data\":[ { \"name\":\"zuck\", \"id\":\"4\"} ] }" stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""],
+                          errorBodyString]
+                         dataUsingEncoding:NSUTF8StringEncoding];
+        requestCount++;
+        
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:nil];
+    }];
+    
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+    FBRequestConnection *connection = [[[FBRequestConnection alloc] init] autorelease];
+    FBRequest *requestFriends =[[[FBRequest alloc] initWithSession:session graphPath:@"me/friends"] autorelease];
+    connection.errorBehavior = FBRequestConnectionErrorBehaviorReconnectSession;
+    
+    __block int userHandlerFriendsCount = 0;
+    [connection addRequest:requestFriends completionHandler:^(FBRequestConnection *connection, id result, NSError *error) {
+        userHandlerFriendsCount++;
+        STAssertTrue([@"zuck" isEqualToString:(result[@"data"][0][@"name"])], @"couldn't find friend");
+        [blocker signal];
+    } ];
+    
+    [connection start];
+    
+    STAssertTrue([blocker waitWithTimeout:2], @"timed out waiting for request to return");
+    STAssertEquals(1, requestCount, @"there should have been no retry");
+    STAssertEquals(1, userHandlerFriendsCount, @"user handler was not invoked once.");
+    [OHHTTPStubs removeAllRequestHandlers];
+
+    STAssertEquals([NSDate distantPast], session.accessTokenData.permissionsRefreshDate, @"permissions refresh date was unexpectedly updated");
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.h b/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.h
new file mode 100644
index 0000000..1f10a38
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTests.h"
+
+@interface FBRequestTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.m b/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.m
new file mode 100644
index 0000000..0229512
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBRequestTests.m
@@ -0,0 +1,442 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBRequestTests.h"
+#import "FBRequest.h"
+#import "FBTestBlocker.h"
+#import "FBSDKVersion.h"
+#import "Facebook.h"
+
+#import <OHHTTPStubs/OHHTTPStubs.h>
+
+// This is just to silence compiler warnings since we access internal methods in some tests.
+@interface FBRequest (Internal)
+
+- (FBRequestConnection *)createRequestConnection;
+
+@end
+
+@interface TestFBRequest : FBRequest
+
+@property (nonatomic, copy) FBRequestConnection* (^requestConnectionFactory)();
+
+@end
+
+@implementation TestFBRequest
+
+@synthesize requestConnectionFactory;
+
+- (FBRequestConnection *)createRequestConnection {
+    if (self.requestConnectionFactory) {
+        return self.requestConnectionFactory();
+    }
+    return [super createRequestConnection];
+}
+
+@end
+#pragma mark - Test suite
+
+@implementation FBRequestTests {
+//    FBTestBlocker *_blocker;
+//    BOOL _handlerCalled;
+//    FBURLConnectionHandler _handler;
+}
+
+- (void)setUp {
+//    _blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+//    _handlerCalled = NO;
+//    _handler = nil;
+}
+
+- (void)tearDown {
+//    [_blocker release];
+//    _blocker = nil;
+//    [_handler release];
+//    _handler = nil;
+    
+//    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+#pragma mark Test cases
+
+- (void)testInitSetsDefaultsCorrectly {
+    FBRequest *request = [[FBRequest alloc] init];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.HTTPMethod, equalTo(@"GET"));    
+    assertThat(request.parameters, hasEntry(@"migration_bundle", FB_IOS_SDK_MIGRATION_BUNDLE));
+    assertThat(request.session, nilValue());
+    assertThat(request.graphPath, nilValue());
+    assertThat(request.restMethod, nilValue());
+    assertThat(request.graphPath, nilValue());
+    
+    [request release];
+}
+
+- (void)testCanInitWithParameters {
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                @"value1", @"key1",
+                                @"value2", @"key2",
+                                nil];
+    
+    FBRequest *request = [[FBRequest alloc] initWithSession:nil
+                                                  graphPath:nil
+                                                 parameters:parameters
+                                                 HTTPMethod:nil];
+    assertThat(request, notNilValue());
+    assertThat(request.parameters, hasEntries(@"key1", @"value1", @"key2", @"value2", nil));
+    
+    [request release];
+}
+
+- (void)testCanOverrideMigrationBundle {
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                @"value1", @"key1",
+                                @"my bundle", @"migration_bundle",
+                                nil];
+    
+    FBRequest *request = [[FBRequest alloc] initWithSession:nil
+                                                  graphPath:nil
+                                                 parameters:parameters
+                                                 HTTPMethod:nil];
+    assertThat(request, notNilValue());
+    assertThat(request.parameters, hasEntry(@"migration_bundle", @"my bundle"));
+    assertThat([request description], containsString(@"value1"));
+    
+    [request release];
+}
+
+- (void)testCanInitWithHTTPMethod {
+    FBRequest *request = [[FBRequest alloc] initWithSession:nil
+                                                  graphPath:nil
+                                                 parameters:nil
+                                                 HTTPMethod:@"POST"];
+    assertThat(request, notNilValue());
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+    
+    [request release];
+}
+
+- (void)testCanInitWithGraphPath {
+    FBRequest *request = [[FBRequest alloc] initWithSession:nil
+                                                  graphPath:@"MyGraphPath"
+                                                 parameters:nil
+                                                 HTTPMethod:nil];
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"MyGraphPath"));
+    assertThat([request description], containsString(@"MyGraphPath"));
+    
+    [request release];
+}
+
+- (void)testCanInitWithRestMethod {
+    FBRequest *request = [[FBRequest alloc] initWithSession:nil
+                                                 restMethod:@"amethod"
+                                                 parameters:nil
+                                                 HTTPMethod:nil];
+    assertThat(request, notNilValue());
+    assertThat(request.restMethod, equalTo(@"amethod"));
+    assertThat([request description], containsString(@"amethod"));
+    
+    [request release];
+}
+
+- (void)testCanInitWithSession {
+    FBSession *session = [self createMockValidSession];
+    FBRequest *request = [[FBRequest alloc] initWithSession:session
+                                                  graphPath:nil
+                                                 parameters:nil
+                                                 HTTPMethod:nil];
+    assertThat(request, notNilValue());
+    assertThat(request.session, equalTo(session));
+    
+    [request release];
+}
+
+- (void)testInitSessionGraphPathHelper {
+    FBSession *session = [self createMockValidSession];
+    FBRequest *request = [[FBRequest alloc] initWithSession:session
+                                                  graphPath:@"4"];
+    assertThat(request, notNilValue());
+    assertThat(request.session, equalTo(session));
+    assertThat(request.graphPath, equalTo(@"4"));
+    
+    [request release];
+}
+
+- (void)testInitForPostHelper {
+    FBSession *session = [self createMockValidSession];
+    
+    NSDictionary<FBGraphObject> *graphObject = [FBGraphObject graphObject];
+    [graphObject setObject:@"MyID" forKey:@"id"];
+    
+    FBRequest *request = [[FBRequest alloc] initForPostWithSession:session
+                                                         graphPath:@"MyGraphPath"
+                                                       graphObject:graphObject];
+    assertThat(request, notNilValue());
+    assertThat(request.session, equalTo(session));
+    assertThat(request.graphPath, equalTo(@"MyGraphPath"));
+    assertThat(request.graphObject, equalTo(graphObject));
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+    assertThat([request description], containsString(@"MyID"));
+    assertThat([request description], containsString(@"POST"));
+    
+    [request release];
+}
+
+- (void)testCreateRequestConnection {
+    FBRequest *request = [[FBRequest alloc] init];
+    FBRequestConnection *connection = [request createRequestConnection];
+    
+    assertThat(connection, notNilValue());
+    assertThat(connection, instanceOf([FBRequestConnection class]));
+    
+    [request release];
+}
+
+- (void)testStartWithCompletionHandler {
+    TestFBRequest *request = [[TestFBRequest alloc] init];
+    
+    FBRequestHandler handler = ^(FBRequestConnection *connection, id result, NSError *error) {
+    };
+    
+    request.requestConnectionFactory = ^FBRequestConnection *{
+        id connection = [OCMockObject mockForClass:[FBRequestConnection class]];
+        [[connection expect] addRequest:request completionHandler:handler];
+        [(FBRequestConnection *)[connection expect] start];
+        return connection;
+    };
+    
+    id connection = [request startWithCompletionHandler:handler];
+    assertThat(connection, notNilValue());
+    [connection verify];
+    
+    [request release];
+    [handler release];
+}
+
+- (void)testDeprecatedProperties {
+    // We lump all these into one test because we do not expect any development on any of these
+    // properties going forward; this test just ensures they are not accidentally removed.
+    FBRequest *request = [[FBRequest alloc] init];
+    
+    id<FBRequestDelegate> delegate = [OCMockObject mockForProtocol:@protocol(FBRequestDelegate)];
+    request.delegate = delegate;
+    assertThat(request.delegate, equalTo(delegate));
+    
+    request.url = @"anurl";
+    assertThat(request.url, equalTo(@"anurl"));
+    
+    request.httpMethod = @"METHOD";
+    assertThat(request.httpMethod, equalTo(@"METHOD"));
+    
+    NSMutableDictionary *params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                   @"value", @"key",
+                                   nil];
+    request.params = params;
+    assertThat(request.params, equalTo(params));
+    params = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                   @"value", @"key",
+                                   nil];
+    request.params = params;
+    assertThat(request.params, equalTo(params));
+    
+    NSURLConnection *connection = [[NSURLConnection alloc] init];
+    request.connection = connection;
+    assertThat(request.connection, equalTo(connection));
+    connection = [[NSURLConnection alloc] init];
+    request.connection = connection;
+    assertThat(request.connection, equalTo(connection));
+
+    NSMutableData *responseText = [[NSMutableData alloc] init];
+    request.responseText = responseText;
+    assertThat(request.responseText, equalTo(responseText));
+    responseText = [[NSMutableData alloc] init];
+    request.responseText = responseText;
+    assertThat(request.responseText, equalTo(responseText));
+
+    NSError *error = [[NSError alloc] init];
+    request.error = error;
+    assertThat(request.error, equalTo(error));
+    error = [[NSError alloc] init];
+    request.error = error;
+    assertThat(request.error, equalTo(error));
+    
+    request.state = kFBRequestStateLoading;
+    assertThatInteger(request.state, equalToInteger(kFBRequestStateLoading));
+    
+    request.sessionDidExpire = YES;
+    assertThatBool(request.sessionDidExpire, equalToBool(YES));
+}
+
+- (void)testDeprecatedMethods {
+    // We lump all these into one test because we do not expect any development on any of these
+    // methods going forward; this test just ensures they are not accidentally removed.
+    FBRequest *request = [[FBRequest alloc] init];
+
+    request.state = kFBRequestStateReady;
+    assertThatBool([request loading], equalToBool(NO));
+    request.state = kFBRequestStateLoading;
+    assertThatBool([request loading], equalToBool(YES));
+
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                @"value1", @"key1",
+                                @"value2", @"key2",
+                                nil];
+    NSString *url = [FBRequest serializeURL:@"http://www.example.com" params:parameters];
+    assertThat(url, containsString(@"value2"));
+    assertThat(url, containsString(@"http://www.example.com"));
+
+    UIImage *image = [[UIImage alloc] init];
+    NSData *data = [[NSData alloc] init];
+    parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                @"value1", @"key1",
+                                @"value2", @"key2",
+                                image, @"animage",
+                                data, @"somedata",
+                                nil];
+    url = [FBRequest serializeURL:@"http://www.example.com" params:parameters];
+    assertThat(url, containsString(@"value2"));
+    assertThat(url, containsString(@"http://www.example.com"));
+    assertThat(url, isNot(containsString(@"animage")));
+    assertThat(url, isNot(containsString(@"somedata")));
+}
+
+- (void)testRequestForMe {
+    FBRequest *request = [FBRequest requestForMe];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"me"));
+}
+
+- (void)testRequestForMyFriends {
+    FBRequest *request = [FBRequest requestForMyFriends];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"me/friends"));
+}
+
+- (void)testRequestForUploadPhotos {
+    UIImage *image = [[UIImage alloc] init];
+    FBRequest *request = [FBRequest requestForUploadPhoto:image];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"me/photos"));
+    assertThat(request.parameters, hasKey(@"picture"));
+}
+
+- (void)testRequestForGraphPath {
+    FBRequest *request = [FBRequest requestForGraphPath:@"apath"];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"apath"));
+}
+
+- (void)testRequestForPostWithGraphPath {
+    NSDictionary<FBGraphObject> *graphObject = [FBGraphObject graphObject];
+    [graphObject setObject:@"value" forKey:@"key"];
+    FBRequest *request = [FBRequest requestForPostWithGraphPath:@"apath"
+                                                    graphObject:graphObject];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"apath"));
+    assertThat(request.graphObject, hasEntry(@"key", @"value"));
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+}
+
+- (void)testRequestForPostStatusUpdate {
+    NSDictionary<FBGraphObject> *place = [FBGraphObject graphObject];
+    [place setObject:@"placeid" forKey:@"id"];
+    
+    NSArray *tags = [NSArray arrayWithObjects:@"id1", @"id2", nil];
+    
+    FBRequest *request = [FBRequest requestForPostStatusUpdate:@"my status"
+                                                         place:place
+                                                          tags:tags];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"me/feed"));
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+    assertThat(request.parameters, hasEntry(@"message", @"my status"));
+    assertThat(request.parameters, hasEntry(@"place", @"placeid"));
+    assertThat(request.parameters, hasEntry(@"tags", @"id1,id2"));
+}
+
+- (void)testRequestForPostStatusUpdateHelper {
+    FBRequest *request = [FBRequest requestForPostStatusUpdate:@"my status"];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"me/feed"));
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+    assertThat(request.parameters, hasEntry(@"message", @"my status"));
+    assertThat(request.parameters, isNot(hasKey(@"place")));
+    assertThat(request.parameters, isNot(hasKey(@"tags")));
+}
+
+- (void)testRequestWithGraphPath {
+    NSDictionary *parameters = [NSDictionary dictionaryWithObjectsAndKeys:
+                                @"value1", @"key1",
+                                @"value2", @"key2",
+                                nil];
+
+    FBRequest *request = [FBRequest requestWithGraphPath:@"apath"
+                                             parameters:parameters
+                                             HTTPMethod:@"POST"];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"apath"));
+    assertThat(request.HTTPMethod, equalTo(@"POST"));
+    assertThat(request.parameters, hasEntries(@"key1", @"value1", @"key2", @"value2", nil));
+}
+
+- (void)testRequestForPlacesSearch {
+    CLLocationCoordinate2D coord = CLLocationCoordinate2DMake(23.5, 45.5);
+    FBRequest *request = [FBRequest requestForPlacesSearchAtCoordinate:coord
+                                                        radiusInMeters:1234
+                                                          resultsLimit:789
+                                                            searchText:@"restaurant"];
+    
+    assertThat(request, notNilValue());
+    assertThat(request.graphPath, equalTo(@"search"));
+    assertThat(request.HTTPMethod, equalTo(@"GET"));
+    assertThat(request.parameters, hasEntry(@"type", @"place"));
+    assertThat(request.parameters, hasEntry(@"limit", @"789"));
+    assertThat(request.parameters, hasEntry(@"distance", @"1234"));
+    assertThat(request.parameters, hasEntry(@"q", @"restaurant"));
+    NSString *center = [request.parameters objectForKey:@"center"];
+    assertThat(center, containsString(@"23.5"));
+    assertThat(center, containsString(@"45.5"));
+}
+
+- (void)testRequestForPlacesSearchDoesNotRequireSearchText {
+    CLLocationCoordinate2D coord = CLLocationCoordinate2DMake(23.5, 45.5);
+    FBRequest *request = [FBRequest requestForPlacesSearchAtCoordinate:coord
+                                                        radiusInMeters:1234
+                                                          resultsLimit:789
+                                                            searchText:nil];
+    
+    assertThat(request.parameters, isNot(hasKey(@"q")));
+}
+
+#pragma mark Helpers
+
+
+- (FBSession *)createMockValidSession {
+    FBSession *session = [OCMockObject mockForClass:[FBSession class]];
+    return session;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.h b/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.h
new file mode 100644
index 0000000..e60331a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBAuthenticationTests.h"
+
+@interface FBSafariAuthenticationTests : FBAuthenticationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.m b/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.m
new file mode 100644
index 0000000..8623ec1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSafariAuthenticationTests.m
@@ -0,0 +1,281 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSafariAuthenticationTests.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBTestBlocker.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBUtility.h"
+#import <objc/objc-runtime.h>
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+@implementation FBSafariAuthenticationTests
+{
+    Method _originalIsRegisteredCheck;
+    Method _swizzledIsRegisteredCheck;
+}
+
++ (BOOL)isRegisteredURLSchemeReplacement:(NSString *)url
+{
+    return YES;
+}
+
+- (void)setUp {
+    [super setUp];
+    _originalIsRegisteredCheck = class_getClassMethod([FBUtility class], @selector(isRegisteredURLScheme:));
+    _swizzledIsRegisteredCheck = class_getClassMethod([self class], @selector(isRegisteredURLSchemeReplacement:));
+    method_exchangeImplementations(_originalIsRegisteredCheck, _swizzledIsRegisteredCheck);
+}
+
+- (void)tearDown {
+    [super tearDown];
+    method_exchangeImplementations(_swizzledIsRegisteredCheck, _originalIsRegisteredCheck);
+    _originalIsRegisteredCheck = nil;
+    _swizzledIsRegisteredCheck = nil;
+}
+
+
+- (void)testOpenTriesSafariAuthFirstWithFallbackToWebView {
+    [self testImplOpenTriesSafariAuthFirstWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testOpenTriesSafariAuthFirstWithNoFallbackToWebView {
+    [self testImplOpenTriesSafariAuthFirstWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testImplOpenTriesSafariAuthFirstWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:behavior
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+- (void)testOpenDoesNotTrySafariAuthWithSystemAccount {
+    [self testImplOpenDoesNotTrySafariAuthWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                                          expectSystem:YES];
+}
+
+- (void)testOpenDoesNotTrySafariAuthWithForcingWebView {
+    [self testImplOpenDoesNotTrySafariAuthWithBehavior:FBSessionLoginBehaviorForcingWebView
+                                          expectSystem:NO];
+}
+
+- (void)testImplOpenDoesNotTrySafariAuthWithBehavior:(FBSessionLoginBehavior)behavior
+                                        expectSystem:(BOOL)expectSystem {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:expectSystem succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:!expectSystem succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:behavior
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+// The following tests validate that a successful results results in an open session,
+// for each login behavior that is appropriate.
+- (void)testSafariAuthSuccessWithFallbackToWebView {
+    [self testImplSafariAuthSuccessWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testSafariAuthSuccessWithNoFallbackToWebView {
+    [self testImplSafariAuthSuccessWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testSafariAuthSuccessWithUseSystemAccount {
+    [self testImplSafariAuthSuccessWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+}
+
+- (void)testImplSafariAuthSuccessWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             kAuthenticationTestValidToken, @"access_token",
+                             @"3600", @"expires_in",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block BOOL handlerCalled = NO;
+    [session openWithBehavior:behavior completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+        [_blocker signal];
+    }];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(mockSession.accessToken, equalTo(kAuthenticationTestValidToken));
+    assertThatInt(mockSession.loginType, equalToInt(FBSessionLoginTypeFacebookViaSafari));
+    // TODO assert expiration date is what we set it to (within delta)
+    
+    [session release];
+}
+
+// The following tests validate that the 'service_disabled' error response results
+// in a login dialog auth being attempted, for each login behavior that is appropriate.
+
+// TODO: these do not work as expected; should FBSession be calling with fallback:YES?
+/*
+ - (void)testSafariAuthDisabledTriesLoginDialogWithFallbackToWebView {
+ [self testSafariAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+ }
+ 
+ - (void)testSafariAuthDisabledTriesLoginDialogWithNoFallbackToWebView {
+ [self testSafariAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+ }
+ 
+ - (void)testSafariAuthDisabledTriesLoginDialogWithUseSystemAccount {
+ [self testSafariAuthDisabledTriesLoginDialogWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+ }
+ */
+
+- (void)testSafariAuthDisabledTriesLoginDialogWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             @"service_disabled", @"error",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:NO results:results];
+    [self mockSession:mockSession expectSafariAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:YES succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+
+// The following tests validate that a successful results results in an open session,
+// for each login behavior that is appropriate.
+- (void)testSafariAuthErrorWithFallbackToWebView {
+    [self testImplSafariAuthErrorWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView];
+}
+
+- (void)testSafariAuthErrorWithNoFallbackToWebView {
+    [self testImplSafariAuthErrorWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView];
+}
+
+- (void)testSafariAuthErrorWithUseSystemAccount {
+    [self testImplSafariAuthErrorWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent];
+}
+
+- (void)testImplSafariAuthErrorWithBehavior:(FBSessionLoginBehavior)behavior {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    // We'll build a URL out of these results and send it back through handleOpenURL.
+    NSDictionary *results = [NSDictionary dictionaryWithObjectsAndKeys:
+                             @"an error code", @"error_code",
+                             @"an error reason", @"error",
+                             nil];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:YES try:YES results:results];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block BOOL handlerCalled = NO;
+    __block NSError *handlerError = nil;
+    [session openWithBehavior:behavior completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+        handlerError = [error retain];
+        [_blocker signal];
+    }];
+    
+    [_blocker waitWithTimeout:.01];
+    
+    [(id)mockSession verify];
+    
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateClosedLoginFailed));
+    assertThat(handlerError, notNilValue());
+    
+    [session release];
+}
+
+// TODO finish safari auth tests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.h b/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.h
new file mode 100644
index 0000000..5cf9e1c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTests.h"
+#import "FBSession+Internal.h"
+
+@interface FBSessionTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.m b/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.m
new file mode 100644
index 0000000..64bd273
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSessionTests.m
@@ -0,0 +1,1401 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSessionTests.h"
+#import "FBTestSession.h"
+#import "FBRequest.h"
+#import "FBGraphUser.h"
+#import "FBTestBlocker.h"
+#import "FBTests.h"
+#import "FBUtility.h"
+#import "FBSessionTokenCachingStrategy.h"
+#import "FBSessionUtility.h"
+#import "FBSystemAccountStoreAdapter.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import "FBSettings.h"
+#import <objc/objc-runtime.h>
+
+static NSString *kURLSchemeSuffix = @"URLSuffix";
+
+// We test quite a few deprecated properties.
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+// This is just to silence compiler warnings since we access internal methods in some tests.
+@interface FBSession (Testing)
+
+@property(readwrite, copy) NSDate *refreshDate;
+@property(readwrite) FBSessionLoginType loginType;
+
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                        behavior:(FBSessionLoginBehavior)behavior
+                 defaultAudience:(FBSessionDefaultAudience)audience
+                   isReauthorize:(BOOL)isReauthorize;
+- (void)authorizeWithPermissions:(NSArray*)permissions
+                 defaultAudience:(FBSessionDefaultAudience)defaultAudience
+                  integratedAuth:(BOOL)tryIntegratedAuth
+                       FBAppAuth:(BOOL)tryFBAppAuth
+                      safariAuth:(BOOL)trySafariAuth
+                        fallback:(BOOL)tryFallback
+                   isReauthorize:(BOOL)isReauthorize
+             canFetchAppSettings:(BOOL)canFetchAppSettings;
+- (FBSystemAccountStoreAdapter *)getSystemAccountStoreAdapter;
+- (void)callReauthorizeHandlerAndClearState:(NSError*)error;
+
+@end
+
+#pragma mark - Test suite
+
+@implementation FBSessionTests {
+    FBTestBlocker *_blocker;
+    Method _originalIsRegisteredCheck;
+    Method _swizzledIsRegisteredCheck;
+}
+
++ (BOOL)isRegisteredURLSchemeReplacement:(NSString *)url
+{
+    return YES;
+}
+
+- (void)setUp {
+    [super setUp];
+
+    // In general, tests use a mock token caching strategy, but some tests verify behavior using the
+    // default strategy and we want to ensure it is clean.
+    [[FBSessionTokenCachingStrategy defaultInstance] clearToken];
+
+    FBSession.defaultAppID = nil;
+    FBSession.defaultUrlSchemeSuffix = nil;
+    FBSession.activeSession = nil;
+
+    _blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+    
+    _originalIsRegisteredCheck = class_getClassMethod([FBUtility class], @selector(isRegisteredURLScheme:));
+    _swizzledIsRegisteredCheck = class_getClassMethod([self class], @selector(isRegisteredURLSchemeReplacement:));
+    method_exchangeImplementations(_originalIsRegisteredCheck, _swizzledIsRegisteredCheck);
+
+}
+
+- (void)tearDown {
+    [super tearDown];
+
+    [_blocker release];
+    _blocker = nil;
+    
+    method_exchangeImplementations(_swizzledIsRegisteredCheck, _originalIsRegisteredCheck);
+    _originalIsRegisteredCheck = nil;
+    _swizzledIsRegisteredCheck = nil;
+}
+
+#pragma mark Init tests
+
+- (void)testInitWithoutDefaultAppIDThrows {
+    @try {
+        [[FBSession alloc] init];
+        STFail(@"should have gotten exception");
+    } @catch (NSException *exception) {
+    }
+}
+
+- (void)testInitWithDefaultAppIDSetsDefaultValues {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [[FBSession alloc] init];
+
+    assertThat(session.refreshDate, nilValue());
+    assertThatInt(session.loginType, equalToInt(FBSessionLoginTypeNone));
+    
+    [session release];
+}
+
+- (void)testInitWithDefaultAppIDSetsAppID {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [[FBSession alloc] init];
+    
+    assertThat(session.appID, equalTo(kTestAppId));
+    
+    [session release];
+}
+
+- (void)testInitWithDefaultAppIDSetsState {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [[FBSession alloc] init];
+    
+    assertThatBool(session.isOpen, equalToBool(NO));
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+    
+    [session release];
+}
+
+- (void)testInitWithPermissionsSetsDefaultValues {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    NSArray *permissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    FBSession *session = [[FBSession alloc] initWithPermissions:permissions];
+    
+    assertThat(session.refreshDate, nilValue());
+    assertThatInt(session.loginType, equalToInt(FBSessionLoginTypeNone));
+    
+    [session release];
+}
+
+- (void)testInitWithPermissionsSetsPermissions {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    NSArray *permissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    FBSession *session = [[FBSession alloc] initWithPermissions:permissions];
+    
+    assertThat(session.permissions, equalTo(permissions));
+    
+    [session release];
+}
+
+- (void)testInitWithoutUrlSchemeSuffixUsesDefault {
+    FBSession.defaultUrlSchemeSuffix = @"defaultsuffix";
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    
+    assertThat(session.urlSchemeSuffix, equalTo(@"defaultsuffix"));
+    
+    [session release];
+}
+
+- (void)testInitWithUrlSchemeSuffixOverridesDefault {
+    FBSession.defaultUrlSchemeSuffix = @"defaultsuffix";
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:@"asuffix"
+                                       tokenCacheStrategy:nil];
+    
+    assertThat(session.urlSchemeSuffix, equalTo(@"asuffix"));
+    
+    [session release];
+}
+
+- (void)testInitWithExpiredTokenClearsTokenCache {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithExpiredToken];
+    
+    [[(id)mockStrategy expect] clearToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                        tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    [session release];
+}
+
+- (void)testInitWithExpiredTokenSetsState {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithExpiredToken];
+    
+    [[(id)mockStrategy expect] clearToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatBool(session.isOpen, equalToBool(NO));
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenTransitionsToLoadedState {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithValidToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateCreatedTokenLoaded));
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsDefaultValues {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithValidToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatInt([session.refreshDate timeIntervalSinceNow], closeTo(0, 5000));
+    assertThatInt(session.loginType, equalToInt(FBSessionLoginTypeNone));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsState {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithValidToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatBool(session.isOpen, equalToBool(NO));
+    assertThatInt(session.state, equalToInt(FBSessionStateCreatedTokenLoaded));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsAppID {
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithValidToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.appID, equalTo(kTestAppId));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsToken {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.accessToken, equalTo(mockToken.accessToken));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsRefreshDate {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    NSDate *refreshDate = [NSDate dateWithTimeIntervalSinceNow:1200];
+    [[[(id)mockToken stub] andReturn:refreshDate] refreshDate];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.refreshDate, equalTo(refreshDate));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsLoginType {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionLoginType loginType = FBSessionLoginTypeWebView;
+    [[[(id)mockToken stub] andReturnValue:OCMOCK_VALUE(loginType)] loginType];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatInt(session.loginType, equalToInt(FBSessionLoginTypeWebView));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsExpirationDate {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+
+    assertThat(session.expirationDate, equalTo(mockToken.expirationDate));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenSetsPermissions {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    [[[(id)mockToken stub] andReturn:tokenPermissions] permissions];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.permissions, equalTo(tokenPermissions));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenAndSubsetOfCachedPermissionsSetsPermissions {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    [[[(id)mockToken stub] andReturn:tokenPermissions] permissions];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    NSArray *sessionPermissions = [NSArray arrayWithObject:@"permission1"];
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:sessionPermissions
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.permissions, equalTo(tokenPermissions));
+    
+    [session release];
+}
+
+- (void)testInitWithValidTokenAndNonSubsetOfCachedPermissionsDoesNotUseCachedToken {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    [[[(id)mockToken stub] andReturn:tokenPermissions] permissions];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    [[(id)mockStrategy expect] clearToken];
+
+    NSArray *sessionPermissions = [NSArray arrayWithObject:@"permission3"];
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:sessionPermissions
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [(id)mockStrategy verify];
+    
+    assertThat(session.permissions, equalTo(sessionPermissions));
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+    [session release];
+}
+
+#pragma mark Opening tests
+
+// These tests test authentication mechanism-agnostic open logic; tests of specific authentication
+// mechanisms are found in subclasses of FBAuthenticationTests.
+
+- (void)testOpenTransitionsToOpening {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+    [mockSession initWithAppID:kTestAppId
+                   permissions:nil
+               defaultAudience:FBSessionDefaultAudienceNone
+               urlSchemeSuffix:nil
+            tokenCacheStrategy:nil];
+
+    __block BOOL handlerCalled = NO;
+    [mockSession openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+    }];
+    
+    assertThatInt(mockSession.state, equalToInt(FBSessionStateCreatedOpening));
+    assertThatBool(handlerCalled, equalToBool(NO));
+}
+
+- (void)testOpenWithValidToken {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    __block BOOL handlerCalled = NO;
+    [session openWithCompletionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+        handlerCalled = YES;
+    }];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+    assertThatBool(handlerCalled, equalToBool(YES));
+    
+    [session release];
+}
+
+- (void)testOpenWithValidTokenWithNoHandler {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [session openWithCompletionHandler:nil];
+
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+
+    [session release];
+}
+
+- (void)testOpenThrowsExceptionIfNotInCreated {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [session openWithCompletionHandler:nil];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+    
+    @try {
+        [session openWithCompletionHandler:nil];
+        STFail(@"should have gotten an exception");
+    } @catch (NSException *exception) {
+    }
+    
+    [session release];
+    
+}
+
+#pragma mark Closing tests
+
+- (void)testCloseWhenCreatedStaysInCreated {
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+
+    [session close];
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+}
+
+- (void)testClose {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [session close];
+    assertThatInt(session.state, equalToInt(FBSessionStateClosed));
+}
+
+- (void)testCloseWhenOpeningSetsClosedLoginFailedState {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    [session openWithCompletionHandler:nil];
+    
+    [session close];
+    assertThatInt(session.state, equalToInt(FBSessionStateClosedLoginFailed));
+}
+
+- (void)testCloseAndClearTokenInformation {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    [[(id)mockStrategy expect] clearToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [session closeAndClearTokenInformation];
+    
+    [(id)mockStrategy verify];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateClosed));
+}
+
+
+- (void)testCloseDoesNotSendDidBecomeClosedNotificationIfOpenSessionNotActiveSession {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [self createAndOpenSessionWithMockToken];
+
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidBecomeClosedActiveSessionNotification
+                                                   object:nil];
+    
+    @try {
+        [session close];
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testCloseDoesNotSendDidBecomeClosedNotificationIfActiveSessionNotOpen {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [[FBSession alloc] init];
+    FBSession.activeSession = session;
+
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidBecomeClosedActiveSessionNotification
+                                                   object:nil];
+    @try {
+        [session close];
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testCloseSendsDidBecomeClosedNotificationIfActiveSessionOpen {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBSession *session = [self createAndOpenSessionWithMockToken];
+    FBSession.activeSession = session;
+
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidBecomeClosedActiveSessionNotification
+                                                   object:nil];
+    [[observerMock expect] notificationWithName:FBSessionDidBecomeClosedActiveSessionNotification
+                                         object:[OCMArg any]];
+        
+    @try {
+        [session close];
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+// TODO test from Opening -> close
+
+#pragma mark Reauthorization tests
+
+- (void)testReauthorizeWithReadIsSynonymForRequestNewRead {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+    
+    FBSessionReauthorizeResultHandler handler =^(FBSession *session, NSError *error) {
+    };
+    
+    NSArray *newPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+
+    [[(id)mockSession expect] requestNewReadPermissions:newPermissions completionHandler:handler];
+
+    [mockSession reauthorizeWithReadPermissions:newPermissions completionHandler:handler];
+    
+    [(id)mockSession verify];
+}
+
+- (void)testReauthorizeWithPublishIsSynonymForRequestNewPublish {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+    
+    FBSessionReauthorizeResultHandler handler =^(FBSession *session, NSError *error) {
+    };
+    
+    NSArray *newPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    
+    [[(id)mockSession expect] requestNewPublishPermissions:newPermissions
+                                           defaultAudience:FBSessionDefaultAudienceOnlyMe
+                                         completionHandler:handler];
+    
+    [mockSession reauthorizeWithPublishPermissions:newPermissions
+                                   defaultAudience:FBSessionDefaultAudienceOnlyMe
+                                 completionHandler:handler];
+    
+    [(id)mockSession verify];
+}
+
+- (void)testReauthorizeFailsIfSessionNotOpen {
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    
+    assertThatBool(session.isOpen, equalToBool(NO));
+    
+    @try {
+        [session reauthorizeWithPermissions:nil
+                                   behavior:FBSessionLoginBehaviorWithFallbackToWebView
+                          completionHandler:nil];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+}
+
+- (void)testReauthorizeWhileReauthorizeInProgressFails {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+    
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:mockStrategy];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    assertThatBool(session.isOpen, equalToBool(YES));
+    
+    FBSessionRequestPermissionResultHandler handler = ^(FBSession *session, NSError *error) {
+    };
+    
+    // Because our session is mocked to do nothing with auth requests, it will stay in a "pending"
+    // reauth state after this call.
+    [session requestNewReadPermissions:nil completionHandler:handler];
+    
+    @try {
+        [session requestNewReadPermissions:nil completionHandler:handler];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+}
+
+- (void)testReauthorizeWithPermissionCallsAuthorizeAgain {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuthThatExpectsCall:YES
+                                                                   reauthorize:YES
+                                                                      behavior:FBSessionLoginBehaviorWithFallbackToWebView
+                                                               defaultAudience:FBSessionDefaultAudienceNone];
+    
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:mockStrategy];
+
+    [session openWithCompletionHandler:nil];
+    
+    assertThatBool(session.isOpen, equalToBool(YES));
+    
+    [session reauthorizeWithPermissions:nil
+                               behavior:FBSessionLoginBehaviorWithFallbackToWebView
+                      completionHandler:nil];
+    
+    [(id)mockSession verify];
+}
+
+- (void)testReauthorizeWhileReauthorizeInProgressFailsWithNilHandler {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:mockStrategy];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView completionHandler:nil];
+    assertThatBool(session.isOpen, equalToBool(YES));
+    
+    // Because our session is mocked to do nothing with auth requests, it will stay in a "pending"
+    // reauth state after this call.
+    [session requestNewReadPermissions:nil completionHandler:^(FBSession *session, NSError *error) {
+    }];
+    
+    BOOL caughtException = NO;
+    @try {
+        [session requestNewReadPermissions:nil completionHandler:nil];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+        caughtException = YES;
+    }
+    STAssertTrue(caughtException, @"expected exception when requesting more permissions.");
+}
+
+- (void)testRequestNewReadPermissionsFailsIfPassedPublishPermissions {
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    @try {
+        [session requestNewReadPermissions:requestedPermissions completionHandler:nil];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+}
+
+- (void)testRequestNewReadPermissionsCallsAuthorizeAgainOnSuccess {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuthThatExpectsCall:YES
+                                                                   reauthorize:YES
+                                                                      behavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                                                               defaultAudience:FBSessionDefaultAudienceNone];
+    
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:mockStrategy];
+    
+    [session openWithCompletionHandler:nil];
+    
+    assertThatBool(session.isOpen, equalToBool(YES));
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+
+    [session requestNewReadPermissions:requestedPermissions
+                     completionHandler:nil];
+    
+    [(id)mockSession verify];
+}
+
+- (void)testRequestNewPublishPermissionsCallsAuthorizeAgainOnSuccess {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuthThatExpectsCall:YES
+                                                                   reauthorize:YES
+                                                                      behavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+                                                                       defaultAudience:FBSessionDefaultAudienceOnlyMe];
+    
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:mockStrategy];
+    
+    [session openWithCompletionHandler:nil];
+    
+    assertThatBool(session.isOpen, equalToBool(YES));
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"publish_permission1", nil];
+    
+    [session requestNewPublishPermissions:requestedPermissions
+                          defaultAudience:FBSessionDefaultAudienceOnlyMe
+                       completionHandler:nil];
+    
+    [(id)mockSession verify];
+}
+
+#pragma mark Other instance tests
+
+
+- (void)testHandleDidBecomeActiveDoesNothingInCreatedState {
+    FBSession *mockSession = [self allocMockSessionWithNoOpAuth];
+    FBSession *session = [mockSession initWithAppID:kTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [[(id)mockSession reject] close];
+    [[(id)mockSession reject] callReauthorizeHandlerAndClearState:[OCMArg any]];
+    
+    [FBSettings setDefaultAppID:kTestAppId];
+    
+    [session handleDidBecomeActive];
+    
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+}
+
+// TODO when running from the command line, this hangs
+/*
+- (void)testGetSystemAccountStoreAdapter {
+    [FBSession setDefaultAppID:kAppId];
+    FBSession *session = [[FBSession alloc] init];
+    
+    // Only do this if it's available (iOS 6.0+)
+    if ([self isSystemVersionAtLeast:@"6.0"]) {
+        FBSystemAccountStoreAdapter *adapter = [session getSystemAccountStoreAdapter];
+        
+        assertThat(adapter, equalTo([FBSystemAccountStoreAdapter sharedInstance]));
+    }
+    
+    [session release];
+}
+
+ - (void)testIsSystemAccountStoreAvailable {
+ BOOL shouldBeAvailable = [self isSystemVersionAtLeast:@"6.0"];
+ 
+ [FBSession setDefaultAppID:kAppId];
+ FBSession *session = [[FBSession alloc] init];
+ 
+ assertThatBool([session isSystemAccountStoreAvailable], equalToBool(shouldBeAvailable));
+ }
+ 
+*/
+
+- (void)testIsMultitaskingSupported {
+    UIDevice *device = [UIDevice currentDevice];
+    BOOL shouldBeSupported = [device respondsToSelector:@selector(isMultitaskingSupported)] &&
+        [device isMultitaskingSupported];
+
+    assertThatBool([FBUtility isMultitaskingSupported], equalToBool(shouldBeSupported));
+}
+
+- (void)testWillAttemptToExtendToken {
+    FBAccessTokenData *token = [FBAccessTokenData createTokenFromString:@"token"
+                                                            permissions:nil
+                                                         expirationDate:[NSDate distantFuture]
+                                                              loginType:FBSessionLoginTypeFacebookApplication
+                                                            refreshDate:[NSDate dateWithTimeIntervalSince1970:0]];
+    
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:token];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    [session openWithCompletionHandler:nil];
+    
+    BOOL shouldExtend = [session shouldExtendAccessToken];
+    
+    assertThatBool(shouldExtend, equalToBool(YES));
+}
+
+
+#pragma mark Active session tests
+
+- (void)testActiveSessionDefaultsToNewCreatedSession {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    assertThat(FBSession.activeSessionIfOpen, nilValue());
+    FBSession *session = FBSession.activeSession;
+    assertThat(session, notNilValue());
+    assertThatInt(session.state, equalToInt(FBSessionStateCreated));
+}
+
+- (void)testSetActiveSession {
+    [FBSession setDefaultAppID:kTestAppId];
+
+    assertThat(FBSession.activeSessionIfOpen, nilValue());
+
+    FBSession *originalActiveSession = FBSession.activeSession;
+    assertThat(originalActiveSession, notNilValue());
+    
+    FBSession *newSession = [[FBSession alloc] init];
+    FBSession.activeSession = newSession;
+    
+    FBSession *activeSession = [FBSession activeSession];
+    assertThat(activeSession, notNilValue());
+    assertThat(activeSession, equalTo(newSession));
+}
+
+- (void)testSetActiveSessionSendsSetNotification {
+    [FBSession setDefaultAppID:kTestAppId];
+
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidSetActiveSessionNotification
+                                                   object:nil];
+    [[observerMock expect] notificationWithName:FBSessionDidSetActiveSessionNotification
+                                         object:[OCMArg any]];
+
+    @try {
+        FBSession *session = [[FBSession alloc] init];
+        FBSession.activeSession = session;
+       
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testSetActiveSessionSendsUnsetNotification {
+    [FBSession setDefaultAppID:kTestAppId];
+
+    FBSession *existingActiveSession = [[FBSession alloc] init];
+    FBSession.activeSession = existingActiveSession;
+    
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidUnsetActiveSessionNotification
+                                                   object:nil];
+    [[observerMock expect] notificationWithName:FBSessionDidUnsetActiveSessionNotification
+                                         object:[OCMArg any]];
+    
+    @try {
+        FBSession *session = [[FBSession alloc] init];
+        FBSession.activeSession = session;
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testSetActiveSessionDoesNotSendUnsetNotificationIfNoPreviousSession {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidUnsetActiveSessionNotification
+                                                   object:nil];
+    
+    @try {
+        FBSession *session = [[FBSession alloc] init];
+        FBSession.activeSession = session;
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testSetActiveSessionDoesNotSendDidBecomeOpenNotificationIfSessionNotOpen {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidBecomeOpenActiveSessionNotification
+                                                   object:nil];
+    
+    @try {
+        FBSession *session = [[FBSession alloc] init];
+        FBSession.activeSession = session;
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testSetActiveSessionSendsDidBecomeOpenNotificationIfSessionOpen {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    id observerMock = [OCMockObject observerMock];
+    [[NSNotificationCenter defaultCenter] addMockObserver:observerMock
+                                                     name:FBSessionDidBecomeOpenActiveSessionNotification
+                                                   object:nil];
+    [[observerMock expect] notificationWithName:FBSessionDidBecomeOpenActiveSessionNotification
+                                         object:[OCMArg any]];
+    
+    @try {
+        FBSession *session = [self createAndOpenSessionWithMockToken];
+        FBSession.activeSession = session;
+        
+        [observerMock verify];
+        
+        [session release];
+    } @finally {
+        // Important to remove this observer no matter what, or other tests will fail if this one does.
+        [[NSNotificationCenter defaultCenter] removeObserver:observerMock];
+    }
+}
+
+- (void)testOpenActiveSessionRequiresDefaultAppId {
+    @try {
+        [FBSession openActiveSessionWithAllowLoginUI:NO];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+}
+
+- (void)testOpenActiveSessionWithNoTokenOrUIStaysInCreated {
+    [FBSession setDefaultAppID:kTestAppId];
+
+    BOOL result = [FBSession openActiveSessionWithAllowLoginUI:NO];
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(NO));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateCreated));
+}
+
+- (void)testOpenActiveSessionWithValidTokenAndNoUISucceeds {
+    [FBSession setDefaultAppID:kTestAppId];
+
+    FBAccessTokenData *token = [self createValidMockToken];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+
+    BOOL result = [FBSession openActiveSessionWithAllowLoginUI:NO];
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(YES));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(activeSession.accessTokenData, equalTo(token));
+}
+
+- (void)testOpenActiveSessionWithPermissionsAndValidTokenSucceeds {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    __block BOOL handlerCalled = NO;
+    BOOL result = [FBSession openActiveSessionWithPermissions:requestedPermissions
+                                                 allowLoginUI:NO
+                                            completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                                handlerCalled = YES;
+                                            }];
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(activeSession.accessTokenData, equalTo(token));
+    
+}
+
+- (void)testOpenActiveSessionRequestingMorePermissionsThanTokenFails {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    __block BOOL handlerCalled = NO;
+    BOOL result = [FBSession openActiveSessionWithPermissions:requestedPermissions
+                                                 allowLoginUI:NO
+                                            completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                                handlerCalled = YES;
+                                            }];
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(NO));
+    assertThatBool(handlerCalled, equalToBool(NO));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateCreated));
+    
+}
+
+- (void)testOpenActiveSessionWithReadPermissionSucceeds {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"permission2", nil];
+    __block BOOL handlerCalled = NO;
+    
+    BOOL result = [FBSession openActiveSessionWithReadPermissions:requestedPermissions
+                                                     allowLoginUI:NO
+                                                completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                                    handlerCalled = YES;
+                                                }];
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(activeSession.accessTokenData, equalTo(token));
+}
+
+- (void)testOpenActiveSessionWithReadRequestingReadAndWritePermissionFails {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    __block BOOL handlerCalled = NO;
+    
+    @try {
+        [FBSession openActiveSessionWithReadPermissions:requestedPermissions
+                                           allowLoginUI:NO
+                                      completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                          handlerCalled = YES;
+                                      }];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(handlerCalled, equalToBool(NO));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateCreatedTokenLoaded));
+    
+}
+
+- (void)testOpenActiveSessionWithPublishRequestingReadAndWritePermissionSucceeds {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"permission1", @"publish_permission2", nil];
+    __block BOOL handlerCalled = NO;
+    
+    BOOL result = [FBSession openActiveSessionWithPublishPermissions:requestedPermissions
+                                                     defaultAudience:FBSessionDefaultAudienceOnlyMe
+                                                        allowLoginUI:NO
+                                                   completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                                       handlerCalled = YES;
+                                                   }];
+
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(result, equalToBool(YES));
+    assertThatBool(handlerCalled, equalToBool(YES));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateOpen));
+    assertThat(activeSession.accessTokenData, equalTo(token));
+}
+
+- (void)testOpenActiveSessionWithPublishAndNoDefaultAudienceFails {
+    [FBSession setDefaultAppID:kTestAppId];
+    
+    FBAccessTokenData *token = [self createValidMockToken];
+    NSArray *tokenPermissions = [NSArray arrayWithObjects:@"publish_permission1", nil];
+    [[[(id)token stub] andReturn:tokenPermissions] permissions];
+    [[FBSessionTokenCachingStrategy defaultInstance] cacheFBAccessTokenData:token];
+    
+    NSArray *requestedPermissions = [NSArray arrayWithObjects:@"publish_permission1", nil];
+    __block BOOL handlerCalled = NO;
+    
+    @try {
+        [FBSession openActiveSessionWithPublishPermissions:requestedPermissions
+                                           defaultAudience:FBSessionDefaultAudienceNone
+                                              allowLoginUI:NO
+                                         completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                                             handlerCalled = YES;
+                                         }];
+        STFail(@"expected exception");
+    } @catch (NSException *exception) {
+    }
+    
+    FBSession *activeSession = FBSession.activeSession;
+    
+    assertThatBool(handlerCalled, equalToBool(NO));
+    assertThat(activeSession, notNilValue());
+    assertThatInt(activeSession.state, equalToInt(FBSessionStateCreatedTokenLoaded));
+    
+}
+
+#pragma mark Other statics tests
+
+- (void)testCanSetDefaultAppID {
+    assertThat([FBSession defaultAppID], nilValue());
+    [FBSession setDefaultAppID:kTestAppId];
+    assertThat([FBSession defaultAppID], equalTo(kTestAppId));
+}
+
+- (void)testCanSetDefaultUrlSchemeSuffix {
+    assertThat([FBSession defaultUrlSchemeSuffix], nilValue());
+    [FBSession setDefaultUrlSchemeSuffix:kURLSchemeSuffix];
+    assertThat([FBSession defaultUrlSchemeSuffix], equalTo(kURLSchemeSuffix));
+}
+
+- (void)testSessionStateDescription {
+    NSArray *expectedStrings = [NSArray arrayWithObjects:
+                                @"FBSessionStateCreated",
+                                @"FBSessionStateCreatedTokenLoaded",
+                                @"FBSessionStateCreatedOpening",
+                                @"FBSessionStateOpen",
+                                @"FBSessionStateOpenTokenExtended",
+                                @"FBSessionStateClosedLoginFailed",
+                                @"FBSessionStateClosed",
+                                @"[Unknown]",
+                                nil];
+    FBSessionState states[] = {FBSessionStateCreated,
+        FBSessionStateCreatedTokenLoaded, FBSessionStateCreatedOpening, FBSessionStateOpen,
+        FBSessionStateOpenTokenExtended, FBSessionStateClosedLoginFailed, FBSessionStateClosed, -1};
+    const int numTests = sizeof(states) / sizeof(FBSessionState);
+    
+    for (int i = 0; i < numTests; ++i) {
+        NSString *description = [FBSessionUtility sessionStateDescription:states[i]];
+        assertThat(description, equalTo([expectedStrings objectAtIndex:i]));
+    }
+}
+
+- (void)testDescription {
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:nil];
+    
+    NSString *description = [session description];
+    assertThat(description, containsString(kTestAppId));
+    assertThat(description, containsString(@"FBSessionStateCreated"));
+}
+
+- (void)testDeleteFacebookCookies {
+    [self addFacebookCookieToSharedStorage];
+    
+    NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+    NSURL *url = [NSURL URLWithString:[FBUtility dialogBaseURL]];
+    NSArray *cookiesForFacebook = [storage cookiesForURL:url];
+    
+    assertThatInteger(cookiesForFacebook.count, greaterThan(@0));
+    
+    [FBUtility deleteFacebookCookies];
+    
+    cookiesForFacebook = [storage cookiesForURL:url];
+    
+    assertThatInteger(cookiesForFacebook.count, equalToInteger(0));
+}
+
+#pragma mark Helpers
+
+- (BOOL)isSystemVersionAtLeast:(NSString *)desiredVersion {
+    return [[[UIDevice currentDevice] systemVersion] compare:desiredVersion options:NSNumericSearch] != NSOrderedAscending;
+}
+
+- (NSHTTPCookieStorage *)addFacebookCookieToSharedStorage {
+    NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+    
+    NSDictionary *cookieProperties = [NSDictionary dictionaryWithObjectsAndKeys:
+                                      [FBUtility buildFacebookUrlWithPre:@"m."], NSHTTPCookieDomain,
+                                      @"COOKIE!!!!", NSHTTPCookieName,
+                                      @"/", NSHTTPCookiePath,
+                                      @"hello", NSHTTPCookieValue,
+                                      @"true", NSHTTPCookieSecure,
+                                      nil];
+    NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:cookieProperties];
+    
+    [storage setCookie:cookie];
+    return storage;
+}
+
+// Note: this allocs but does _not_ init the mock FBSession
+// The mock session has an authorizeWithPermissions:... that does nothing -- it simulates an
+// authorization attempt that has been started but has not yet received a success or failure result.
+- (FBSession *)allocMockSessionWithNoOpAuth {
+    FBSession *session = [FBSession alloc];
+    FBSession *mockSession = [OCMockObject partialMockForObject:session];
+
+    [[(id)mockSession stub] authorizeWithPermissions:[OCMArg any]
+                                     defaultAudience:FBSessionDefaultAudienceNone
+                                      integratedAuth:NO
+                                           FBAppAuth:YES
+                                          safariAuth:YES
+                                            fallback:YES
+                                       isReauthorize:NO
+                                 canFetchAppSettings:YES];
+    
+    return mockSession;
+}
+
+- (FBSession *)allocMockSessionWithNoOpAuthThatExpectsCall:(BOOL)expect
+                                               reauthorize:(BOOL)reauthorize
+                                                  behavior:(FBSessionLoginBehavior)behavior
+                                           defaultAudience:(FBSessionDefaultAudience)defaultAudience {
+    FBSession *session = [FBSession alloc];
+    FBSession *mockSession = [OCMockObject partialMockForObject:session];
+    
+    // Limitation of OCMock: we need to specify actual values for primitive arguments, so we need to anticipate
+    // the combinations of parameters we need to mock in our tests.
+    
+    id stub = expect ? [(id)mockSession expect] : [(id)mockSession stub];
+    [stub authorizeWithPermissions:[OCMArg any]
+                          behavior:behavior
+                   defaultAudience:defaultAudience
+                     isReauthorize:reauthorize];
+
+    return mockSession;
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.h b/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.h
new file mode 100644
index 0000000..3e84ad6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTests.h"
+
+@interface FBSettingsTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.m b/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.m
new file mode 100644
index 0000000..21b76d2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSettingsTests.m
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSettingsTests.h"
+#ifndef FB_BUILD_ONLY
+#define FB_BUILD_ONLY
+#endif
+
+#import "FBSettings.h"
+
+#ifdef FB_BUILD_ONLY
+#undef FB_BUILD_ONLY
+#endif
+
+@implementation FBSettingsTests
+
+- (void)testBetaMode
+{
+    STAssertFalse([FBSettings isBetaFeatureEnabled:FBBetaFeaturesShareDialog], @"share dialog not enabled");
+    [FBSettings enableBetaFeature:FBBetaFeaturesOpenGraphShareDialog];
+    STAssertTrue([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog], @"OG share dialog enabled");
+    [FBSettings disableBetaFeature:FBBetaFeaturesOpenGraphShareDialog];
+    STAssertFalse([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog], @"OG share dialog disabled");
+    [FBSettings enableBetaFeatures:FBBetaFeaturesShareDialog | FBBetaFeaturesOpenGraphShareDialog];
+    STAssertTrue([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog], @"OG share dialog enabled");
+    STAssertTrue([FBSettings isBetaFeatureEnabled:FBBetaFeaturesShareDialog], @"share dialog enabled");
+    [FBSettings disableBetaFeature:FBBetaFeaturesShareDialog];
+    STAssertTrue([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog], @"OG share dialog enabled");
+    STAssertFalse([FBSettings isBetaFeatureEnabled:FBBetaFeaturesShareDialog], @"share dialog enabled");
+    [FBSettings disableBetaFeature:FBBetaFeaturesOpenGraphShareDialog];
+    STAssertFalse([FBSettings isBetaFeatureEnabled:FBBetaFeaturesOpenGraphShareDialog], @"OG share dialog disabled");
+    STAssertFalse([FBSettings isBetaFeatureEnabled:FBBetaFeaturesShareDialog], @"share dialog enabled");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.h b/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.h
new file mode 100644
index 0000000..d84d621
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#import "FBAuthenticationTests.h"
+
+@interface FBSystemAccountAuthenticationTests : FBAuthenticationTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.m b/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.m
new file mode 100644
index 0000000..978af31
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBSystemAccountAuthenticationTests.m
@@ -0,0 +1,234 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBSystemAccountAuthenticationTests.h"
+#import "FBSession.h"
+#import "FBError.h"
+#import "FBUtility.h"
+#import <objc/objc-runtime.h>
+
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+@implementation FBSystemAccountAuthenticationTests
+{
+    Method _originalIsRegisteredCheck;
+    Method _swizzledIsRegisteredCheck;
+}
+
++ (BOOL)isRegisteredURLSchemeReplacement:(NSString *)url
+{
+    return YES;
+}
+
+- (void)setUp {
+    [super setUp];
+    _originalIsRegisteredCheck = class_getClassMethod([FBUtility class], @selector(isRegisteredURLScheme:));
+    _swizzledIsRegisteredCheck = class_getClassMethod([self class], @selector(isRegisteredURLSchemeReplacement:));
+    method_exchangeImplementations(_originalIsRegisteredCheck, _swizzledIsRegisteredCheck);
+}
+
+- (void)tearDown {
+    [super tearDown];
+    method_exchangeImplementations(_swizzledIsRegisteredCheck, _originalIsRegisteredCheck);
+    _originalIsRegisteredCheck = nil;
+    _swizzledIsRegisteredCheck = nil;
+}
+
+- (void)testOpenTriesSystemAccountAuthFirstIfAvailable {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:YES succeed:NO];
+    [self mockSession:mockSession supportMultitasking:NO];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+- (void)testOpenDoesNotTrySystemAccountAuthIfUnavailable {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:NO];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block NSError *handlerError = nil;
+    [session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+            completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                handlerError = error;
+            }];
+    
+    [(id)mockSession verify];
+    
+    assertThat(handlerError, notNilValue());
+    assertThat(handlerError.userInfo[FBErrorLoginFailedReason], equalTo(FBErrorLoginFailedReasonInlineNotCancelledValue));
+    
+    [session release];
+}
+
+- (void)testOpenDoesNotTrySystemAccountAuthWithForcingWebView {
+    [self testImplOpenDoesNotTrySystemAccountAuthWithBehavior:FBSessionLoginBehaviorForcingWebView
+                                            expectLoginDialog:YES];
+}
+
+- (void)testOpenDoesNotTrySystemAccountAuthWithWithFallbackToWebView {
+    [self testImplOpenDoesNotTrySystemAccountAuthWithBehavior:FBSessionLoginBehaviorWithFallbackToWebView
+                                            expectLoginDialog:YES];
+}
+
+- (void)testOpenDoesNotTrySystemAccountAuthWithNoFallbackToWebView {
+    [self testImplOpenDoesNotTrySystemAccountAuthWithBehavior:FBSessionLoginBehaviorWithNoFallbackToWebView
+                                            expectLoginDialog:NO];
+}
+
+- (void)testImplOpenDoesNotTrySystemAccountAuthWithBehavior:(FBSessionLoginBehavior) behavior
+                                          expectLoginDialog:(BOOL)expectLoginDialog
+{
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:NO];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:expectLoginDialog succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:behavior
+            completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+- (void)testSystemAccountSuccess {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:YES succeed:YES];
+    [self mockSession:mockSession supportMultitasking:NO];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block NSError *handlerError = nil;
+    [session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+            completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                handlerError = error;
+            }];
+    
+    [(id)mockSession verify];
+    
+    assertThat(handlerError, nilValue());
+    assertThatInt(session.state, equalToInt(FBSessionStateOpen));
+    assertThat(session.accessToken, equalTo(kAuthenticationTestValidToken));
+    
+    [session release];
+}
+
+- (void)testSystemAccountFailureGeneratesError {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:YES];
+    [self mockSession:mockSession expectSystemAccountAuth:YES succeed:NO];
+    [self mockSession:mockSession supportMultitasking:NO];
+    [self mockSession:mockSession expectFacebookAppAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    __block NSError *handlerError = nil;
+    [session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent
+            completionHandler:^(FBSession *session, FBSessionState status, NSError *error) {
+                handlerError = error;
+            }];
+    
+    [(id)mockSession verify];
+    
+    assertThat(handlerError, notNilValue());
+    assertThat(handlerError.userInfo[FBErrorLoginFailedReason], equalTo(FBErrorLoginFailedReasonSystemError));
+    assertThatInt(session.state, equalToInt(FBSessionStateClosedLoginFailed));
+    
+    [session release];
+}
+
+// TODO test untosed device continues auth process
+// TODO test reauth case
+
+- (void)testSystemAccountNotAvailableTriesNextAuthMethod {
+    FBSession *mockSession = [OCMockObject partialMockForObject:[FBSession alloc]];
+    
+    [self mockSession:mockSession supportSystemAccount:NO];
+    [self mockSession:mockSession expectSystemAccountAuth:NO succeed:NO];
+    [self mockSession:mockSession supportMultitasking:YES];
+    [self mockSession:mockSession expectFacebookAppAuth:YES try:YES results:nil];
+    [self mockSession:mockSession expectSafariAuth:NO try:NO results:nil];
+    [self mockSession:mockSession expectLoginDialogAuth:NO succeed:NO];
+    
+    FBSession *session = [mockSession initWithAppID:kAuthenticationTestAppId
+                                        permissions:nil
+                                    defaultAudience:FBSessionDefaultAudienceNone
+                                    urlSchemeSuffix:nil
+                                 tokenCacheStrategy:nil];
+    
+    [session openWithBehavior:FBSessionLoginBehaviorUseSystemAccountIfPresent completionHandler:nil];
+    
+    [(id)mockSession verify];
+    
+    [session release];
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.h b/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.h
new file mode 100644
index 0000000..b505b39
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import <OCMock/OCMock.h>
+
+@class FBTestBlocker;
+
+typedef void (^FBTestBlockerPeriodicHandler)(FBTestBlocker *blocker);
+
+// FBTestBlocker class
+//
+// Summary:
+// Lightweight helper to make unit tests more linear and readable; currently supports blocks,
+// can be extended to support delegates as needed
+// NOTE: Not safe to call outside the context of unit tests, as [FBTestBlocker wait] runs
+// the currentRunLoop, and framework code, etc., is not guaranteed to be re-entrant.
+// SenTestKit does not run tests in the context of a run loop.
+// Also, not thread-safe, expects all signaling to happen on the same thread.
+@interface FBTestBlocker : NSObject
+
+- (id)init;
+- (id)initWithExpectedSignalCount:(NSInteger)expectedSignalCount;
+- (void)wait;
+- (BOOL)waitWithTimeout:(NSTimeInterval)timeout;
+- (void)waitWithPeriodicHandler:(FBTestBlockerPeriodicHandler)handler;
+- (BOOL)waitWithTimeout:(NSTimeInterval)timeout periodicHandler:(FBTestBlockerPeriodicHandler)handler;
+- (void)signal;
+
++ (void)waitForVerifiedMock:(OCMockObject *)inMock delay:(NSTimeInterval)inDelay;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.m b/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.m
new file mode 100644
index 0000000..ea10c36
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBTestBlocker.m
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTestBlocker.h"
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface FBTestBlocker ()
+
+- (void)reset;
+
+@end
+
+@implementation FBTestBlocker {
+    int _signalsRemaining;
+    int _expectedSignalCount;
+}
+
+- (id)init {
+    return [self initWithExpectedSignalCount:1];
+}
+
+- (id)initWithExpectedSignalCount:(NSInteger)expectedSignalCount {
+    if (self = [super init]) {
+        _expectedSignalCount = expectedSignalCount;
+        [self reset];
+    }
+    return self;
+}
+
+- (void)wait {
+    [self waitWithTimeout:0];
+}
+
+- (void)waitWithPeriodicHandler:(FBTestBlockerPeriodicHandler)handler {
+    [self waitWithTimeout:0
+          periodicHandler:handler];
+}
+
+- (BOOL)waitWithTimeout:(NSTimeInterval)timeout {
+    return [self waitWithTimeout:timeout
+                 periodicHandler:nil];
+}
+
+- (BOOL)waitWithTimeout:(NSTimeInterval)timeout 
+        periodicHandler:(FBTestBlockerPeriodicHandler)handler {
+    NSDate *start = [NSDate date];
+    
+    // loop until the previous call completes
+    while (_signalsRemaining > 0) {
+        [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:.01]];
+        if (timeout > 0 &&
+            [[NSDate date] timeIntervalSinceDate:start] > timeout) {
+            [self reset];
+            return NO;
+        } 
+        if (handler) {
+            handler(self);
+        }
+    };
+    [self reset];
+    return YES;
+}
+
+- (void)signal {
+    --_signalsRemaining;
+}
+
+- (void)reset {
+    _signalsRemaining = _expectedSignalCount;
+}
+
++ (void)waitForVerifiedMock:(OCMockObject *)inMock delay:(NSTimeInterval)inDelay
+{
+    NSTimeInterval i = 0;
+    while (i < inDelay)
+    {
+        @try
+        {
+            [inMock verify];
+            return;
+        }
+        @catch (NSException *e) {}
+        [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.5]];
+        i+=0.5;
+    }
+    [inMock verify];
+}
+
+@end
+
+
+// this is unrelated to test-blocker, but is a useful hack to make it easy to retarget the url
+// without checking certs
+@interface NSURLRequest (NSURLRequestWithIgnoreSSL) 
++(BOOL)allowsAnyHTTPSCertificateForHost:(NSString*)host;
+@end
+
+@implementation NSURLRequest (NSURLRequestWithIgnoreSSL) 
++(BOOL)allowsAnyHTTPSCertificateForHost:(NSString*)host
+{
+    return YES;
+}
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBTests.h b/Vendor/facebook-ios-sdk/src/tests/FBTests.h
new file mode 100644
index 0000000..2fb9de3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBTests.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <SenTestingKit/SenTestingKit.h>
+#import "FBTestSession.h"
+#import "FBRequestConnection.h"
+
+extern NSString *kTestToken;
+extern NSString *kTestAppId;
+
+@class FBTestBlocker;
+@protocol FBGraphObject;
+
+@interface FBTests : SenTestCase
+
+- (FBRequestHandler)handlerExpectingSuccessSignaling:(FBTestBlocker*)blocker;
+- (FBRequestHandler)handlerExpectingFailureSignaling:(FBTestBlocker*)blocker;
+
+// Used to test methods that dispatch blocks to the GCD main queue
+- (void)waitForMainQueueToFinish;
+
+// Methods related to session mocking.
+- (FBSession *)createAndOpenSessionWithMockToken;
+- (FBAccessTokenData *)createValidMockToken;
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithToken:(FBAccessTokenData *)token;
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithValidToken;
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithExpiredToken;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBTests.m b/Vendor/facebook-ios-sdk/src/tests/FBTests.m
new file mode 100644
index 0000000..b1962f9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBTests.m
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTests.h"
+#import "FBTestBlocker.h"
+#import "FBRequestConnection.h"
+#import "FBRequest.h"
+#import "FBAccessTokenData+Internal.h"
+#import "FBSessionTokenCachingStrategy.h"
+
+NSString *kTestToken = @"This is a token";
+NSString *kTestAppId = @"AnAppId";
+
+@implementation FBTests
+
+#pragma mark Handlers
+
+- (FBRequestHandler)handlerExpectingSuccessSignaling:(FBTestBlocker*)blocker {
+    FBRequestHandler handler =
+     ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertTrue(!error, @"got unexpected error");
+        STAssertNotNil(result, @"didn't get expected result");
+        [blocker signal];
+    };
+    return [[handler copy] autorelease];
+}
+
+- (FBRequestHandler)handlerExpectingFailureSignaling:(FBTestBlocker*)blocker {
+    FBRequestHandler handler = 
+    ^(FBRequestConnection *connection, id result, NSError *error) {
+        STAssertNotNil(error, @"didn't get expected error");
+        STAssertTrue(!result, @"got unexpected result");
+        [blocker signal];
+    };
+    return [[handler copy] autorelease];
+}
+
+#pragma mark - Session mocking
+
+- (FBAccessTokenData *)createValidMockToken {
+    
+    FBAccessTokenData *token = [FBAccessTokenData  createTokenFromString:kTestToken
+                                                             permissions:nil
+                                                          expirationDate:[NSDate dateWithTimeIntervalSinceNow:3600]
+                                                               loginType:FBSessionLoginTypeNone
+                                                             refreshDate:nil];
+    
+    FBAccessTokenData *mockToken = [OCMockObject partialMockForObject:token];
+    return mockToken;
+}
+
+
+- (FBSession *)createAndOpenSessionWithMockToken {
+    FBAccessTokenData *mockToken = [self createValidMockToken];
+    FBSessionTokenCachingStrategy *mockStrategy = [self createMockTokenCachingStrategyWithToken:mockToken];
+    
+    FBSession *session = [[FBSession alloc] initWithAppID:kTestAppId
+                                              permissions:nil
+                                          defaultAudience:FBSessionDefaultAudienceNone
+                                          urlSchemeSuffix:nil
+                                       tokenCacheStrategy:mockStrategy];
+    
+    [session openWithCompletionHandler:nil];
+    
+    return session;
+    
+}
+
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithExpiredToken {
+    FBAccessTokenData *token = [FBAccessTokenData  createTokenFromString:kTestToken
+                                                             permissions:nil
+                                                          expirationDate:[NSDate dateWithTimeIntervalSince1970:0]
+                                                               loginType:FBSessionLoginTypeNone
+                                                             refreshDate:nil];
+    return [self createMockTokenCachingStrategyWithToken:token];
+}
+
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithValidToken {
+    FBAccessTokenData *token = [self createValidMockToken];
+    return [self createMockTokenCachingStrategyWithToken:token];
+}
+
+- (FBSessionTokenCachingStrategy *)createMockTokenCachingStrategyWithToken:(FBAccessTokenData *)token {
+    FBSessionTokenCachingStrategy *strategy = [OCMockObject mockForClass:[FBSessionTokenCachingStrategy class]];
+    
+    [[[(id)strategy stub] andReturn:token] fetchFBAccessTokenData];
+    
+    return strategy;
+}
+
+- (void)waitForMainQueueToFinish {
+    FBTestBlocker *blocker = [[FBTestBlocker alloc] init];
+    dispatch_async(dispatch_get_main_queue(), ^() {
+        [blocker signal];
+    });
+
+    [blocker wait];
+
+    [blocker release];
+}
+
+#pragma mark -
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.h b/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.h
new file mode 100644
index 0000000..90a6e90
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBTests.h"
+
+@interface FBURLConnectionTests : FBTests
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.m b/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.m
new file mode 100644
index 0000000..b3c3feb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FBURLConnectionTests.m
@@ -0,0 +1,622 @@
+/*
+ * Copyright 2010-present Facebook.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FBURLConnectionTests.h"
+#import "FBURLConnection.h"
+#import "FBTestBlocker.h"
+#import "FBDataDiskCache.h"
+#import "FBError.h"
+
+#import <OHHTTPStubs/OHHTTPStubs.h>
+
+// This is just to silence compiler warnings since we access internal methods in some tests.
+@interface FBURLConnection (Internal)
+
+@property (nonatomic) BOOL skipRoundtripIfCached;
+- (void)invokeHandler:(FBURLConnectionHandler)handler
+                error:(NSError *)error
+             response:(NSURLResponse *)response
+         responseData:(NSData *)responseData;
+- (FBDataDiskCache *)getCache;
+- (BOOL)shouldShortCircuitRedirectResponse:(NSURLResponse *)redirectResponse;
+- (void)logMessage:(NSString *)message;
+
+@end
+
+// For the most part we rely on FBURLConnection calling its handler to determine success or
+// failure of test cases, but a couple of them test behavior without a handler at all, and
+// we want a way to signal a blocker when there is no handler.
+@interface TestFBURLConnection : FBURLConnection
+
+@property (nonatomic, retain) FBTestBlocker *blockerToSignalOnCompletion;
+@property (nonatomic, copy) FBURLConnectionHandler handler;
+@property (nonatomic, retain) FBDataDiskCache *dataDiskCache;
+@property (nonatomic) BOOL actAsRedirect;
+@property (nonatomic, retain) NSMutableString *accumulatedLog;
+
+@end
+
+@implementation TestFBURLConnection
+
+@synthesize blockerToSignalOnCompletion;
+@synthesize dataDiskCache;
+
+- (FBURLConnection *)initWithRequest:(NSURLRequest *)request
+               skipRoundTripIfCached:(BOOL)skipRoundtripIfCached
+                   completionHandler:(FBURLConnectionHandler)handler
+                   dataDiskCache:(FBDataDiskCache *)theDataDiskCache {
+    self.dataDiskCache = theDataDiskCache;
+    
+    return [super initWithRequest:request
+            skipRoundTripIfCached:skipRoundtripIfCached
+                completionHandler:handler];
+}
+
+- (FBURLConnection *)initWithRequest:(NSURLRequest *)request
+               skipRoundTripIfCached:(BOOL)skipRoundtripIfCached
+                   completionHandler:(FBURLConnectionHandler)handler
+                       dataDiskCache:(FBDataDiskCache *)theDataDiskCache
+                       actAsRedirect:(BOOL)redirect {
+    self.dataDiskCache = theDataDiskCache;
+    self.actAsRedirect = redirect;
+    
+    return [super initWithRequest:request
+            skipRoundTripIfCached:skipRoundtripIfCached
+                completionHandler:handler];
+}
+
+- (FBURLConnection *)initWithRequest:(NSURLRequest *)request
+               skipRoundTripIfCached:(BOOL)skipRoundtripIfCached
+         blockerToSignalOnCompletion:(FBTestBlocker *)blocker
+                       dataDiskCache:(FBDataDiskCache *)theDataDiskCache {
+    self.dataDiskCache = theDataDiskCache;
+    self.blockerToSignalOnCompletion = blocker;
+    
+    return [super initWithRequest:request
+            skipRoundTripIfCached:skipRoundtripIfCached
+                completionHandler:nil];
+}
+
+- (void)invokeHandler:(FBURLConnectionHandler)handler
+                error:(NSError *)error
+             response:(NSURLResponse *)response
+         responseData:(NSData *)responseData {
+    [super invokeHandler:handler error:error response:response responseData:responseData];
+    [blockerToSignalOnCompletion signal];
+}
+
+- (void)cancel {
+    [super cancel];
+    [blockerToSignalOnCompletion signal];
+}
+
+- (FBDataDiskCache *)getCache {
+    if (self.dataDiskCache != nil) {
+        return self.dataDiskCache;
+    }
+    // Use a no-op one
+    return [OCMockObject niceMockForClass:[FBDataDiskCache class]];
+}
+
+- (BOOL)shouldShortCircuitRedirectResponse:(NSURLResponse *)redirectResponse {
+    if (self.actAsRedirect) {
+        return YES;
+    }
+    return [super shouldShortCircuitRedirectResponse:redirectResponse];
+}
+
+- (void)logMessage:(NSString *)message {
+    [super logMessage:message];
+    if (self.accumulatedLog == nil) {
+        self.accumulatedLog = [[[NSMutableString alloc] init] autorelease];
+    }
+    [self.accumulatedLog appendString:message];
+}
+
+@end
+
+#pragma mark - Test suite
+
+@implementation FBURLConnectionTests {
+    FBTestBlocker *_blocker;
+    BOOL _handlerCalled;
+    FBURLConnectionHandler _handler;
+}
+
+- (void)setUp {
+    _blocker = [[FBTestBlocker alloc] initWithExpectedSignalCount:1];
+    _handlerCalled = NO;
+    _handler = nil;
+}
+
+- (void)tearDown {
+    [_blocker release];
+    _blocker = nil;
+    [_handler release];
+    _handler = nil;
+    
+    [OHHTTPStubs removeAllRequestHandlers];
+}
+
+#pragma mark Test cases
+
+- (void)testHandlerIsCalledOnSuccessfulCall {
+    [self setupHTTPStubWithStatus:200 andString:nil delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingStatus:200 andString:nil];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThatBool(_handlerCalled, equalToBool(YES));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testHandlerGetsExpectedDataOnSuccessfulCall {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+
+    NSURLRequest *request = [self newRequest];
+
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+
+    [_blocker waitWithTimeout:0.2];
+
+    [connection release];
+    [request release];
+}
+
+- (void)testURLIsLogged {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThat(connection.accumulatedLog, containsString(@"URL"));
+    assertThat(connection.accumulatedLog, containsString(request.URL.absoluteString));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testDurationAndSizeAreLoggedOnSuccess {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThat(connection.accumulatedLog, containsString(@"Duration"));
+    assertThat(connection.accumulatedLog, containsString(@"Response Size"));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testJavascriptResponseAreLogged {
+    __block NSString *javascript = @"This isn't really Javascript";
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        NSData *data = [javascript dataUsingEncoding:NSUTF8StringEncoding];
+
+        NSDictionary *headers = [NSDictionary dictionaryWithObjectsAndKeys:
+                                 @"text/javascript", @"Content-Type",
+                                 nil];
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:headers];
+    }];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingStatus:200 andString:nil];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThat(connection.accumulatedLog, containsString(javascript));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testHandlerGetsErrorOnFailedCall {
+    NSError *error = [NSError errorWithDomain:@"An error" code:100 userInfo:nil];
+    [self setupHTTPStubWithError:error];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingError:error];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testErrorIsLogged {
+    NSError *error = [NSError errorWithDomain:@"An error" code:100 userInfo:nil];
+    [self setupHTTPStubWithError:error];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingError:error];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThat(connection.accumulatedLog, containsString(@"Error"));
+
+    [connection release];
+    [request release];
+}
+
+- (void)testCanExecuteWithoutHandler {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                         completionHandler:nil];
+    
+    [connection setBlockerToSignalOnCompletion:_blocker];
+    
+    BOOL signaled = [_blocker waitWithTimeout:0.2];
+    assertThatBool(signaled, equalToBool(YES));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testCancellingGeneratesError {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:5];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    NSError *error = [NSError errorWithDomain:FacebookSDKDomain code:FBErrorOperationCancelled userInfo:nil];
+    [self setHandlerExpectingError:error];
+
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler];
+    
+    [connection cancel];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testCanCancelWithoutHandler {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:5];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:nil];
+    [connection setBlockerToSignalOnCompletion:_blocker];
+    [connection cancel];
+    
+    BOOL signaled = [_blocker waitWithTimeout:0.2];
+    assertThatBool(signaled, equalToBool(YES));
+
+    [connection release];
+    [request release];
+}
+
+- (void)testHelperInitDefaultsToSkipRoundtripIfCached {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithURL:request.URL
+                                                             completionHandler:nil];
+    
+    assertThatBool([(id)connection skipRoundtripIfCached], equalToBool(YES));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testWithCachedURLCallsHandlerImmediately {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+
+    NSURLRequest *request = [self newRequest];
+
+    [self setHandlerExpectingStatus:0 andString:@"Hello World"];
+    
+    id mockDataDiskCache = [self createMockDiskCacheReturning:@"Hello World"
+                                                       forURL:@"http://www.example.com"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:YES
+                                                                 completionHandler:_handler
+                                                                     dataDiskCache:mockDataDiskCache];
+    
+    assertThatBool(_handlerCalled, equalToBool(YES));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testCachedResponseIsLogged {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [self newRequest];
+    
+    [self setHandlerExpectingStatus:0 andString:@"Hello World"];
+
+    id mockDataDiskCache = [self createMockDiskCacheReturning:@"Hello World"
+                                                       forURL:@"http://www.example.com"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:YES
+                                                                 completionHandler:_handler
+                                                                     dataDiskCache:mockDataDiskCache];
+    
+    [_blocker waitWithTimeout:0.2];
+    
+    assertThat(connection.accumulatedLog, containsString(@"Cached response"));
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testUsesSharedDiskCache {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+ 
+    NSURLRequest *request = [self newRequest];
+    FBURLConnection *connection = [[FBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:YES
+                                                                 completionHandler:nil];
+    
+    assertThat([connection getCache], equalTo([FBDataDiskCache sharedCache]));
+
+    [connection release];
+}
+
+- (void)testCanHitCacheWithoutHandler {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+
+    NSURLRequest *request = [self newRequest];
+    id mockDataDiskCache = [self createMockDiskCacheReturning:@"Hello World"
+                                                       forURL:@"http://www.example.com"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:YES
+                                                       blockerToSignalOnCompletion:_blocker
+                                                                     dataDiskCache:mockDataDiskCache];
+
+    BOOL signaled = [_blocker waitWithTimeout:0.2];
+    assertThatBool(signaled, equalToBool(YES));    
+
+    [connection release];
+    [request release];
+}
+
+- (void)testAddsDataFromCDNToCache {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+
+    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:@"http://www.akamaihd.net"]];
+    
+    id mockDataDiskCache = [self createMockDiskCacheExpecting:@"Hello World"
+                                                       forURL:@"http://www.akamaihd.net"];
+
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:YES
+                                                                 completionHandler:_handler
+                                                                     dataDiskCache:mockDataDiskCache];
+    [_blocker waitWithTimeout:.2];
+    
+    [mockDataDiskCache verify];
+    
+    [connection release];
+    [request release];
+}
+
+- (void)testRedirectResponsesSucceed {
+    [self setupHTTPStubWithStatus:200 andString:@"Hello World" delayed:0];
+    
+    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:@"http://www.example.com"]];
+
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler
+                                                                 dataDiskCache:nil
+                                                                 actAsRedirect:YES];
+    
+    [_blocker waitWithTimeout:.2];
+    
+    assertThatBool(_handlerCalled, equalToBool(YES));
+
+    [connection release];
+    [request release];
+}
+
+- (void)testCachedRedirectResponsesSucceed {
+    [self setupHTTPStubWithStatus:200 andString:nil delayed:0];
+    
+    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:@"http://www.example.com"]];
+    id mockDataDiskCache = [self createMockDiskCacheReturning:@"Hello World"
+                                                       forURL:@"http://www.example.com"];
+    
+    [self setHandlerExpectingStatus:200 andString:@"Hello World"];
+    
+    TestFBURLConnection *connection = [[TestFBURLConnection alloc] initWithRequest:request
+                                                             skipRoundTripIfCached:NO
+                                                                 completionHandler:_handler
+                                                                     dataDiskCache:mockDataDiskCache
+                                                                     actAsRedirect:YES];
+    
+    [_blocker waitWithTimeout:.2];
+    
+    assertThatBool(_handlerCalled, equalToBool(YES));
+    
+    [connection release];
+    [request release];
+}
+
+
+#pragma mark Helpers
+
+
+- (void)setupHTTPStubWithStatus:(int)statusCode andString:(NSString *)string delayed:(NSTimeInterval)delay {
+    // www.example.com (non-CDN) and www.akamaihd.net (CDN) generate responses
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return [request.URL.absoluteString isEqualToString:@"http://www.example.com"] ||
+            [request.URL.absoluteString isEqualToString:@"http://www.akamaihd.net"];
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        NSData *data = nil;
+        if (string != nil) {
+            data = [string dataUsingEncoding:NSUTF8StringEncoding];
+        }
+        return [OHHTTPStubsResponse responseWithData:data
+                                          statusCode:statusCode
+                                        responseTime:delay
+                                             headers:nil];
+    }];
+}
+
+- (void)setupHTTPStubWithError:(NSError *)error {
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithError:error];
+    }];
+}
+
+- (NSDictionary*)getParametersFromURL:(NSURL*)url {
+    NSArray *parameters = [url.query componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"=&"]];
+    NSMutableDictionary *result = [NSMutableDictionary dictionary];
+    
+    for (int i = 0; i < [parameters count]; i=i+2) {
+        NSString *key = [[parameters objectAtIndex:i] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        NSString *value = [[parameters objectAtIndex:i+1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        [result setObject:value
+                   forKey:key];
+    }
+    
+    return result;
+}
+
+- (void)setHandlerExpectingStatus:(int)expectedStatusCode andString:(NSString*)expectedString {
+    id handler = ^(FBURLConnection *connection, NSError *error, NSURLResponse *response, NSData *responseData) {
+        NSInteger statusCode = [(NSHTTPURLResponse*)response statusCode];
+        assertThatInteger(statusCode, equalToInteger(expectedStatusCode));
+        
+        if (expectedString != nil) {
+            assertThat(responseData, notNilValue());
+            
+            NSString *responseString = [[[NSString alloc] initWithData:responseData
+                                                              encoding:NSUTF8StringEncoding] autorelease];
+            assertThat(responseString, equalTo(expectedString));
+        }
+        
+        _handlerCalled = YES;
+        [_blocker signal];
+    };
+    _handler = [handler copy];
+    [handler release];
+}
+
+- (void)setHandlerExpectingError:(NSError *)expectedError {
+    id handler = ^(FBURLConnection *connection, NSError *error, NSURLResponse *response, NSData *responseData) {
+        if (error != nil) {
+            assertThat(error, notNilValue());
+            assertThat([error domain], equalTo([expectedError domain]));
+            assertThatInteger([error code], equalToInteger([expectedError code]));
+        }
+        
+        _handlerCalled = YES;
+        [_blocker signal];
+    };
+    _handler = [handler copy];
+    [handler release];
+}
+
+- (NSURLRequest *)newRequest {
+    return [[NSURLRequest alloc] initWithURL:[[NSURL alloc] initWithString:@"http://www.example.com"]];
+    
+}
+
+- (FBDataDiskCache *)createMockDiskCacheReturning:(NSString *)string forURL:(NSString*)url {
+    NSData *data = nil;
+    if (string != nil) {
+        data = [string dataUsingEncoding:NSUTF8StringEncoding];
+    }
+    
+    id mockDataDiskCache = [OCMockObject mockForClass:[FBDataDiskCache class]];
+    [[[mockDataDiskCache stub] andReturn:data] dataForURL:[NSURL URLWithString:url]];
+    
+    return mockDataDiskCache;
+}
+
+- (FBDataDiskCache *)createMockDiskCacheExpecting:(NSString *)string forURL:(NSString*)url {
+    NSData *data = nil;
+    if (string != nil) {
+        data = [string dataUsingEncoding:NSUTF8StringEncoding];
+    }
+    
+    id mockDataDiskCache = [OCMockObject mockForClass:[FBDataDiskCache class]];
+    [[[mockDataDiskCache stub] andReturn:nil] dataForURL:[NSURL URLWithString:url]];
+    [[mockDataDiskCache expect] setData:data forURL:[NSURL URLWithString:url]];
+    
+    return mockDataDiskCache;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Info.plist b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Info.plist
new file mode 100644
index 0000000..c317ef5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Info.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.facebook.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Prefix.pch b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Prefix.pch
new file mode 100644
index 0000000..a205915
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests-Prefix.pch
@@ -0,0 +1,15 @@
+//
+// Prefix header for all source files of the 'FacebookSDKTests' target in the 'FacebookSDKTests' project
+//
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+
+    #import <SenTestingKit/SenTestingKit.h>
+
+    #import <OCMock/OCMock.h>
+    #define HC_SHORTHAND
+    #import <OCHamcrestIOS/OCHamcrestIOS.h>
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests.xcconfig b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests.xcconfig
new file mode 100644
index 0000000..2eb77a9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/FacebookSDKTests.xcconfig
@@ -0,0 +1,18 @@
+//
+// Copyright 2010-present Facebook
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "TestAppIdAndSecret.xcconfig"
+
diff --git a/Vendor/facebook-ios-sdk/src/tests/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/src/tests/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/src/tests/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitignore b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitignore
new file mode 100644
index 0000000..7c8d45c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitignore
@@ -0,0 +1,7 @@
+.DS_Store
+.idea
+build/
+*.pbxuser
+*.perspectivev3
+project.xcworkspace/
+xcuserdata/
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitmodules b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitmodules
new file mode 100644
index 0000000..ae93a73
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Source/XcodeCoverage"]
+	path = Source/XcodeCoverage
+	url = git://github.com/jonreid/XcodeCoverage.git
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/CHANGES.txt b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/CHANGES.txt
new file mode 100644
index 0000000..2008187
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/CHANGES.txt
@@ -0,0 +1,209 @@
+== NEXT VERSION IN PROGRESS
+
+* Removed CocoaPods spec, since it's maintained at CocoaPods.
+* Fixed unit tests so they remain quiet when handling expected test failures.
+* Replaced older code coverage scripts with XcodeCoverage submodule.
+
+
+== Version 1.9 ==
+
+23 Nov 2012
+* Improved matchers:
+  - Changed hasCount/hasCountOf mismatch description so that count comes first (if object has a count).
+
+* Project changes:
+  - Fixed warnings revealed by latest Xcode. Thanks to: David Hart
+  - Changed iOS Architecture support to "Standard" (which includes armv7s)
+  - Changed Mac Architecture support to 64-bit only
+  - Converted source, tests, and examples to ARC
+
+
+== Version 1.8 ==
+
+09 Jul 2012
+The primary purpose of this release is to make it easier to add OCHamcrest to iOS projects. No more need to specify "Other Linker Flags"! Depending on your project, you may be able to eliminate:
+  * -lstdc++
+  * -ObjC
+
+Also, the repository has a new official home: https://github.com/hamcrest/OCHamcrest/
+
+* No need to specify "Other Linker Flags" in iOS projects:
+  - Changed all Objective-C++ to Objective-C
+  - Eliminated categories
+
+* Deprecated:
+  - C++ template function boxNumber.
+  - conformsToProtocol clashed with the method of the same name. It has been renamed to "conformsTo".
+
+* Deleted following items deprecated in v1.2:
+  - -[HCDescription appendValue]
+  - +[HCInvocationMatcher createInvocationForSelector:onClass:]
+  - NSObject+SelfDescribingValue
+
+
+== Version 1.7 ==
+
+20 Feb 2012
+* New matchers:
+  - "conformsToProtocol" matches objects that conform to a given protocol. Thanks to: Todd Farrell
+
+* Improved matchers:
+  - "hasProperty" now works for methods with primitive return types. Thanks to: Christopher Pickslay
+
+* Other improvements:
+  - Rewrote introductory sections of documentation.
+
+
+== Version 1.6 ==
+
+27 Sep 2011
+* New matchers:
+  - "hasProperty" matches the return value of a method with a given name. (It could be a property, but really can be any method with no arguments that returns an object.) Thanks to: Justin Shacklette
+
+* Improvements:
+  - Rewrote documentation.
+  - Matchers that require a nil-terminated list now generate a compiler error if you don't have nil at the end.
+
+* Fixes:
+  - "stringContainsInOrder" was missing from the master header; now it's there.
+
+
+== Version 1.5 ==
+
+29 Apr 2011
+* Fixed crash when trying to describe an object with nil description.
+
+* Packaging:
+ -  Updated project to Xcode 4. iOS framework / documentation / distribution scripts are now external, run from command-line instead of Xcode.
+ - Improved documentation by adding Factory headings pointing from implementing classes back to their factories.
+
+* New matcher:
+ - "stringContainsInOrder" matches string containing given list of substrings, in order.
+
+* Improved matchers:
+ - Changed "sameInstance" mismatch description to omit address when describing nil.
+ - For consistency, changed "anyOf" and "allOf" to implicitly wrap non-matcher values in equalTo.
+
+
+== Version 1.4 ==
+
+13 Feb 2011
+* New matchers:
+ - "hasEntries" matches dictionary containing key-value pairs satisfying a given list of alternating keys and value matchers.
+
+* Added complete descriptions to macros so they appear in Xcode 4 Quick Help. (Couldn't add arguments to macros without breaking backwards compatibility.)
+
+* Improved descriptions:
+ - Improved description of "hasEntry", removing colon so it doesn't get truncated in Xcode's error display.
+ - "is" no longer says "is ..." in its description, but just lets the inner description pass through.
+ - Consistently use articles to begin descriptions, such as "a dictionary containing" instead of "dictionary containing".
+
+
+== Version 1.3 ==
+
+05 Jan 2011
+* Improved descriptions and mismatch descriptions of several matchers, including:
+  - Fixed "contains" and "containsInAnyOrder" to describe mismatch if item is not a collection.
+  - Fixed "describedAs" and "is" to use their nested matchers to generate mismatch descriptions.
+  - "sameInstance" is more readable, and includes object memory addresses.
+  - If object has a count, "hasCount" mismatch describes actual count.
+  - Don't wrap angle brackets around a description that already has them.
+  - Improved readability of several matchers.
+
+* "instanceOf" now guards against nil being passed as the expected type.
+
+
+== Version 1.2 ==
+
+03 Jan 2011
+* New matchers:
+  - "hasCount" matches collections for which -count satisfies a given matcher.
+  - "hasCountOf" matches collections for which -count equals a given count.
+  - "empty" matches empty collection.
+
+* Fixed assertThat to describe the diagnosis of the mismatch, not just the mismatched value.
+
+* Expanded helper class HCInvocationMatcher:
+  - New property "shortMismatchDescription" determines whether mismatch description is short or long. Default is long description.
+  - New method -invokeOn: invokes stored invocation on given item.
+
+* Since nil cannot be directly stored in collections, collection matchers now guard against nil.
+
+* Expanded BaseDescription's -appendDescriptionOf: to handle all types of values, not just self-describing values.
+
+* Deprecated:
+  - Description's -appendValue: no longer needed; call -appendDescriptionOf: instead. This also means NSObject+SelfDescribingValue is no longer needed.
+  - Renamed HCInvocation's helper class method +createInvocationForSelector:onClass: to +invocationForSelector:onClass:
+  - New helper function HCRequireNonNilObject should be used in place of HCRequireNonNilString.
+
+
+== Version 1.1.2 ==
+
+28 Dec 2010
+* New matchers:
+  - "contains" matches collection containing matching items in order.
+  - "containsInAnyOrder" matches collection containing matching items in any order.
+
+* Fixed crash that occurred when trying to describe the matchers allOf, anyOf and isIn on iOS. Related to -ObjC linker flag.
+
+* Changed documentation from HTML to Xcode documentation set. Run "make install" from the Documentation folder to install.
+
+* Rearranged documentation modules to make things easier to find.
+
+* Changed convenience methods to invoke superclass and return id, to support possibility of subclassing matchers.
+
+1.1.2 fixes to 1.1:
+- Added the new matchers to the master header and to the iOS target.
+- Fixed distribution zip file to preserve symlinks in frameworks.
+
+
+== Version 1.0 ==
+
+26 Oct 2010
+First official release, including:
+* Documentation
+* Examples for
+  - Cocoa
+  - iOS
+  - Creating a custom matcher
+
+07 Oct 2010
+* For iOS: Added OCHamcrestIOS.framework target which provides release builds for both simulator and device into a single framework. Yes, a framework that can be used for iOS development without requiring users to mess with header search paths and link settings. Simply drop the framework into your project and #import <OCHamcrestIOS/OCHamcrestIOS.h> - Aaron Jacobs
+
+06 Oct 2010
+* Work around bug in iPhone simulator that causes a test failure to terminate the app. Fix provided by Aaron Jacobs.
+
+06 Sep 2010
+* Added static library target and changes for iOS.
+
+01 Dec 2009
+* Added assertThat___ and equalTo___ for all types understood by NSNumber. For example: assertThatInt(42, equalToInt(42))
+
+24 Nov 2009
+* Changed assertThat behavior to work more seamlessly with OCUnit: Instead of throwing an exception, it calls the same method as OCUnit's assertion macros to fail the test. As a result, a failing assertThat will not terminate the test, so that the test can record other failures. (Following normal OCUnit behavior, you can instruct the test case to terminate at the first failure by invoking raiseAfterFailure.)
+This change requires that assertThat be called only within subclasses of SenTestCase, which wasn't the case before. You will need to recompile your tests.
+If you need an original-style assertion that can be called outside of a SenTestCase, email your request to hamcrest-dev@googlegroups.com
+
+24 Nov 2009
+* Support Xcode 3.2's redesigned Build Results window by removing colons from assertThat description.
+
+17 Oct 2009
+* Added helper class HCInvocationMatcher for building other matchers from NSInvocations. See HCHasDescription for an example.
+
+11 Aug 2009
+* Renamed framework to OCHamcrest.
+
+07 Jul 2009
+* Added support for Mac OS X 10.4 projects.
+
+28 Jan 2009
+* Fixed compiler errors when used with Objective-C++ (.mm files).
+
+24 Jan 2009
+* Added means for matchers to describe mismatches. You can use either matches:describingMismatchTo: to do it one shot, or call describeMismatchOf:To: once you know a particular item does not match.
+
+18 Jul 2008
+* Changed matchers whose description looks similar to a function call so that the description matches the name of the factory function.
+
+13 Apr 2008
+* Initial release
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Doxyfile b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Doxyfile
new file mode 100644
index 0000000..4b042d3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Doxyfile
@@ -0,0 +1,1637 @@
+# Doxyfile 1.7.1
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project
+#
+# All text after a hash (#) is considered a comment and will be ignored
+# The format is:
+#       TAG = value [value, ...]
+# For lists items can also be appended using:
+#       TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (" ")
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file 
+# that follow. The default is UTF-8 which is also the encoding used for all 
+# text before the first occurrence of this tag. Doxygen uses libiconv (or the 
+# iconv built into libc) for the transcoding. See 
+# http://www.gnu.org/software/libiconv for the list of possible encodings.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
+# by quotes) that should identify the project.
+
+PROJECT_NAME           = OCHamcrest
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. 
+# This could be handy for archiving the generated documentation or 
+# if some version control system is used.
+
+PROJECT_NUMBER         = 
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
+# base path where the generated documentation will be put. 
+# If a relative path is entered, it will be relative to the location 
+# where doxygen was started. If left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       = build
+
+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 
+# 4096 sub-directories (in 2 levels) under the output directory of each output 
+# format and will distribute the generated files over these directories. 
+# Enabling this option can be useful when feeding doxygen a huge amount of 
+# source files, where putting all generated files in the same directory would 
+# otherwise cause performance problems for the file system.
+
+CREATE_SUBDIRS         = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all 
+# documentation generated by doxygen is written. Doxygen will use this 
+# information to generate all constant output in the proper language. 
+# The default language is English, other supported languages are: 
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, 
+# Croatian, Czech, Danish, Dutch, Esperanto, Farsi, Finnish, French, German, 
+# Greek, Hungarian, Italian, Japanese, Japanese-en (Japanese with English 
+# messages), Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, 
+# Polish, Portuguese, Romanian, Russian, Serbian, Serbian-Cyrilic, Slovak, 
+# Slovene, Spanish, Swedish, Ukrainian, and Vietnamese.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will 
+# include brief member descriptions after the members that are listed in 
+# the file and class documentation (similar to JavaDoc). 
+# Set to NO to disable this.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend 
+# the brief description of a member or function before the detailed description. 
+# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the 
+# brief descriptions will be completely suppressed.
+
+REPEAT_BRIEF           = YES
+
+# This tag implements a quasi-intelligent brief description abbreviator 
+# that is used to form the text in various listings. Each string 
+# in this list, if found as the leading text of the brief description, will be 
+# stripped from the text and the result after processing the whole list, is 
+# used as the annotated text. Otherwise, the brief description is used as-is. 
+# If left blank, the following values are used ("$name" is automatically 
+# replaced with the name of the entity): "The $name class" "The $name widget" 
+# "The $name file" "is" "provides" "specifies" "contains" 
+# "represents" "a" "an" "the"
+
+ABBREVIATE_BRIEF       = "The $name class" \
+                         "The $name widget" \
+                         "The $name file" \
+                         is \
+                         provides \
+                         specifies \
+                         contains \
+                         represents \
+                         a \
+                         an \
+                         the
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then 
+# Doxygen will generate a detailed section even if there is only a brief 
+# description.
+
+ALWAYS_DETAILED_SEC    = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all 
+# inherited members of a class in the documentation of that class as if those 
+# members were ordinary class members. Constructors, destructors and assignment 
+# operators of the base classes will not be shown.
+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full 
+# path before files name in the file list and in the header files. If set 
+# to NO the shortest path that makes the file name unique will be used.
+
+FULL_PATH_NAMES        = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag 
+# can be used to strip a user-defined part of the path. Stripping is 
+# only done if one of the specified strings matches the left-hand part of 
+# the path. The tag can be used to show relative paths in the file list. 
+# If left blank the directory from which doxygen is run is used as the 
+# path to strip.
+
+STRIP_FROM_PATH        = /Applications/
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of 
+# the path mentioned in the documentation of a class, which tells 
+# the reader which header file to include in order to use a class. 
+# If left blank only the name of the header file containing the class 
+# definition is used. Otherwise one should specify the include paths that 
+# are normally passed to the compiler using the -I flag.
+
+STRIP_FROM_INC_PATH    = 
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter 
+# (but less readable) file names. This can be useful is your file systems 
+# doesn't support long names like on DOS, Mac, or CD-ROM.
+
+SHORT_NAMES            = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen 
+# will interpret the first line (until the first dot) of a JavaDoc-style 
+# comment as the brief description. If set to NO, the JavaDoc 
+# comments will behave just like regular Qt-style comments 
+# (thus requiring an explicit @brief command for a brief description.)
+
+JAVADOC_AUTOBRIEF      = YES
+
+# If the QT_AUTOBRIEF tag is set to YES then Doxygen will 
+# interpret the first line (until the first dot) of a Qt-style 
+# comment as the brief description. If set to NO, the comments 
+# will behave just like regular Qt-style comments (thus requiring 
+# an explicit \brief command for a brief description.)
+
+QT_AUTOBRIEF           = YES
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen 
+# treat a multi-line C++ special comment block (i.e. a block of //! or /// 
+# comments) as a brief description. This used to be the default behaviour. 
+# The new default is to treat a multi-line C++ comment block as a detailed 
+# description. Set this tag to YES if you prefer the old behaviour instead.
+
+MULTILINE_CPP_IS_BRIEF = YES
+
+# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented 
+# member inherits the documentation from any documented member that it 
+# re-implements.
+
+INHERIT_DOCS           = YES
+
+# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce 
+# a new page for each member. If set to NO, the documentation of a member will 
+# be part of the file/class/namespace that contains it.
+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab. 
+# Doxygen uses this value to replace tabs by spaces in code fragments.
+
+TAB_SIZE               = 4
+
+# This tag can be used to specify a number of aliases that acts 
+# as commands in the documentation. An alias has the form "name=value". 
+# For example adding "sideeffect=\par Side Effects:\n" will allow you to 
+# put the command \sideeffect (or @sideeffect) in the documentation, which 
+# will result in a user-defined paragraph with heading "Side Effects:". 
+# You can put \n's in the value part of an alias to insert newlines.
+
+ALIASES                = 
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C 
+# sources only. Doxygen will then generate output that is more tailored for C. 
+# For instance, some of the names that are used will be different. The list 
+# of all members will be omitted, etc.
+
+OPTIMIZE_OUTPUT_FOR_C  = NO
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java 
+# sources only. Doxygen will then generate output that is more tailored for 
+# Java. For instance, namespaces will be presented as packages, qualified 
+# scopes will look different, etc.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran 
+# sources only. Doxygen will then generate output that is more tailored for 
+# Fortran.
+
+OPTIMIZE_FOR_FORTRAN   = NO
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL 
+# sources. Doxygen will then generate output that is tailored for 
+# VHDL.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it 
+# parses. With this tag you can assign which parser to use for a given extension. 
+# Doxygen has a built-in mapping, but you can override or extend it using this 
+# tag. The format is ext=language, where ext is a file extension, and language 
+# is one of the parsers supported by doxygen: IDL, Java, Javascript, CSharp, C, 
+# C++, D, PHP, Objective-C, Python, Fortran, VHDL, C, C++. For instance to make 
+# doxygen treat .inc files as Fortran files (default is PHP), and .f files as C 
+# (default is Fortran), use: inc=Fortran f=C. Note that for custom extensions 
+# you also need to set FILE_PATTERNS otherwise the files are not read by doxygen.
+
+EXTENSION_MAPPING      = 
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want 
+# to include (a tag file for) the STL sources as input, then you should 
+# set this tag to YES in order to let doxygen match functions declarations and 
+# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. 
+# func(std::string) {}). This also make the inheritance and collaboration 
+# diagrams that involve STL classes more complete and accurate.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to 
+# enable parsing support.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. 
+# Doxygen will parse them like normal C++ but will assume all classes use public 
+# instead of private inheritance when no explicit protection keyword is present.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate getter 
+# and setter methods for a property. Setting this option to YES (the default) 
+# will make doxygen to replace the get and set methods by a property in the 
+# documentation. This will only work if the methods are indeed getting or 
+# setting a simple type. If this is not the case, or you want to show the 
+# methods anyway, you should set this option to NO.
+
+IDL_PROPERTY_SUPPORT   = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC 
+# tag is set to YES, then doxygen will reuse the documentation of the first 
+# member in the group (if any) for the other members of the group. By default 
+# all members of a group must be documented explicitly.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# Set the SUBGROUPING tag to YES (the default) to allow class member groups of 
+# the same type (for instance a group of public functions) to be put as a 
+# subgroup of that type (e.g. under the Public Functions section). Set it to 
+# NO to prevent subgrouping. Alternatively, this can be done per class using 
+# the \nosubgrouping command.
+
+SUBGROUPING            = YES
+
+# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum 
+# is documented as struct, union, or enum with the name of the typedef. So 
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct 
+# with name TypeT. When disabled the typedef will appear as a member of a file, 
+# namespace, or class. And the struct will be named TypeS. This can typically 
+# be useful for C code in case the coding convention dictates that all compound 
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+# The SYMBOL_CACHE_SIZE determines the size of the internal cache use to 
+# determine which symbols to keep in memory and which to flush to disk. 
+# When the cache is full, less often used symbols will be written to disk. 
+# For small to medium size projects (<1000 input files) the default value is 
+# probably good enough. For larger projects a too small cache size can cause 
+# doxygen to be busy swapping symbols to and from disk most of the time 
+# causing a significant performance penality. 
+# If the system has enough physical memory increasing the cache will improve the 
+# performance by keeping more symbols in memory. Note that the value works on 
+# a logarithmic scale so increasing the size by one will rougly double the 
+# memory usage. The cache size is given by this formula: 
+# 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0, 
+# corresponding to a cache size of 2^16 = 65536 symbols
+
+SYMBOL_CACHE_SIZE      = 0
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in 
+# documentation are documented, even if no documentation was available. 
+# Private class members and static file members will be hidden unless 
+# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
+
+EXTRACT_ALL            = YES
+
+# If the EXTRACT_PRIVATE tag is set to YES all private members of a class 
+# will be included in the documentation.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES all static members of a file 
+# will be included in the documentation.
+
+EXTRACT_STATIC         = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) 
+# defined locally in source files will be included in the documentation. 
+# If set to NO only classes defined in header files are included.
+
+EXTRACT_LOCAL_CLASSES  = NO
+
+# This flag is only useful for Objective-C code. When set to YES local 
+# methods, which are defined in the implementation section but not in 
+# the interface are included in the documentation. 
+# If set to NO (the default) only methods in the interface are included.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be 
+# extracted and appear in the documentation as a namespace called 
+# 'anonymous_namespace{file}', where file will be replaced with the base 
+# name of the file that contains the anonymous namespace. By default 
+# anonymous namespace are hidden.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all 
+# undocumented members of documented classes, files or namespaces. 
+# If set to NO (the default) these members will be included in the 
+# various overviews, but no documentation section is generated. 
+# This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all 
+# undocumented classes that are normally visible in the class hierarchy. 
+# If set to NO (the default) these classes will be included in the various 
+# overviews. This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all 
+# friend (class|struct|union) declarations. 
+# If set to NO (the default) these declarations will be included in the 
+# documentation.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any 
+# documentation blocks found inside the body of a function. 
+# If set to NO (the default) these blocks will be appended to the 
+# function's detailed documentation block.
+
+HIDE_IN_BODY_DOCS      = NO
+
+# The INTERNAL_DOCS tag determines if documentation 
+# that is typed after a \internal command is included. If the tag is set 
+# to NO (the default) then the documentation will be excluded. 
+# Set it to YES to include the internal documentation.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate 
+# file names in lower-case letters. If set to YES upper-case letters are also 
+# allowed. This is useful if you have classes or files whose names only differ 
+# in case and if your file system supports case sensitive file names. Windows 
+# and Mac users are advised to set this option to NO.
+
+CASE_SENSE_NAMES       = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen 
+# will show members with their full class and namespace scopes in the 
+# documentation. If set to YES the scope will be hidden.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen 
+# will put a list of the files that are included by a file in the documentation 
+# of that file.
+
+SHOW_INCLUDE_FILES     = NO
+
+# If the FORCE_LOCAL_INCLUDES tag is set to YES then Doxygen 
+# will list include files with double quotes in the documentation 
+# rather than with sharp brackets.
+
+FORCE_LOCAL_INCLUDES   = NO
+
+# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] 
+# is inserted in the documentation for inline members.
+
+INLINE_INFO            = NO
+
+# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen 
+# will sort the (detailed) documentation of file and class members 
+# alphabetically by member name. If set to NO the members will appear in 
+# declaration order.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the 
+# brief documentation of file, namespace and class members alphabetically 
+# by member name. If set to NO (the default) the members will appear in 
+# declaration order.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen 
+# will sort the (brief and detailed) documentation of class members so that 
+# constructors and destructors are listed first. If set to NO (the default) 
+# the constructors will appear in the respective orders defined by 
+# SORT_MEMBER_DOCS and SORT_BRIEF_DOCS. 
+# This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO 
+# and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the 
+# hierarchy of group names into alphabetical order. If set to NO (the default) 
+# the group names will appear in their defined order.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be 
+# sorted by fully-qualified names, including namespaces. If set to 
+# NO (the default), the class list will be sorted only by class name, 
+# not including the namespace part. 
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. 
+# Note: This option applies only to the class list, not to the 
+# alphabetical list.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or 
+# disable (NO) the todo list. This list is created by putting \todo 
+# commands in the documentation.
+
+GENERATE_TODOLIST      = NO
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or 
+# disable (NO) the test list. This list is created by putting \test 
+# commands in the documentation.
+
+GENERATE_TESTLIST      = NO
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or 
+# disable (NO) the bug list. This list is created by putting \bug 
+# commands in the documentation.
+
+GENERATE_BUGLIST       = NO
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or 
+# disable (NO) the deprecated list. This list is created by putting 
+# \deprecated commands in the documentation.
+
+GENERATE_DEPRECATEDLIST= NO
+
+# The ENABLED_SECTIONS tag can be used to enable conditional 
+# documentation sections, marked by \if sectionname ... \endif.
+
+ENABLED_SECTIONS       = 
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines 
+# the initial value of a variable or define consists of for it to appear in 
+# the documentation. If the initializer consists of more lines than specified 
+# here it will be hidden. Use a value of 0 to hide initializers completely. 
+# The appearance of the initializer of individual variables and defines in the 
+# documentation can be controlled using \showinitializer or \hideinitializer 
+# command in the documentation regardless of this setting.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated 
+# at the bottom of the documentation of classes and structs. If set to YES the 
+# list will mention the files that were used to generate the documentation.
+
+SHOW_USED_FILES        = NO
+
+# If the sources in your project are distributed over multiple directories 
+# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy 
+# in the documentation. The default is NO.
+
+SHOW_DIRECTORIES       = NO
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page. 
+# This will remove the Files entry from the Quick Index and from the 
+# Folder Tree View (if specified). The default is YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the 
+# Namespaces page.  This will remove the Namespaces entry from the Quick Index 
+# and from the Folder Tree View (if specified). The default is YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that 
+# doxygen should invoke to get the current version for each file (typically from 
+# the version control system). Doxygen will invoke the program by executing (via 
+# popen()) the command <command> <input-file>, where <command> is the value of 
+# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file 
+# provided by doxygen. Whatever the program writes to standard output 
+# is used as the file version. See the manual for examples.
+
+FILE_VERSION_FILTER    = 
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed 
+# by doxygen. The layout file controls the global structure of the generated 
+# output files in an output format independent way. The create the layout file 
+# that represents doxygen's defaults, run doxygen with the -l option. 
+# You can optionally specify a file name after the option, if omitted 
+# DoxygenLayout.xml will be used as the name of the layout file.
+
+LAYOUT_FILE            = 
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated 
+# by doxygen. Possible values are YES and NO. If left blank NO is used.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are 
+# generated by doxygen. Possible values are YES and NO. If left blank 
+# NO is used.
+
+WARNINGS               = YES
+
+# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings 
+# for undocumented members. If EXTRACT_ALL is set to YES then this flag will 
+# automatically be disabled.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for 
+# potential errors in the documentation, such as not documenting some 
+# parameters in a documented function, or documenting parameters that 
+# don't exist or using markup commands wrongly.
+
+WARN_IF_DOC_ERROR      = YES
+
+# This WARN_NO_PARAMDOC option can be abled to get warnings for 
+# functions that are documented, but have no documentation for their parameters 
+# or return value. If set to NO (the default) doxygen will only warn about 
+# wrong or incomplete parameter documentation, but not about the absence of 
+# documentation.
+
+WARN_NO_PARAMDOC       = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that 
+# doxygen can produce. The string should contain the $file, $line, and $text 
+# tags, which will be replaced by the file and line number from which the 
+# warning originated and the warning text. Optionally the format may contain 
+# $version, which will be replaced by the version of the file (if it could 
+# be obtained via FILE_VERSION_FILTER)
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning 
+# and error messages should be written. If left blank the output is written 
+# to stderr.
+
+WARN_LOGFILE           = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag can be used to specify the files and/or directories that contain 
+# documented source files. You may enter file names like "myfile.cpp" or 
+# directories like "/usr/src/myproject". Separate the files or directories 
+# with spaces.
+
+INPUT                  = Core \
+                         Library \
+                         MainPage.h \
+                         OCHamcrest.h \
+                         CustomMatchers.h
+
+# This tag can be used to specify the character encoding of the source files 
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is 
+# also the default input encoding. Doxygen uses libiconv (or the iconv built 
+# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for 
+# the list of possible encodings.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the 
+# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
+# and *.h) to filter out the source-files in the directories. If left 
+# blank the following patterns are tested: 
+# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx 
+# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90
+
+FILE_PATTERNS          = *.h
+
+# The RECURSIVE tag can be used to turn specify whether or not subdirectories 
+# should be searched for input files as well. Possible values are YES and NO. 
+# If left blank NO is used.
+
+RECURSIVE              = YES
+
+# The EXCLUDE tag can be used to specify files and/or directories that should 
+# excluded from the INPUT source files. This way you can easily exclude a 
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+
+EXCLUDE                = *.mm
+
+# The EXCLUDE_SYMLINKS tag can be used select whether or not files or 
+# directories that are symbolic links (a Unix filesystem feature) are excluded 
+# from the input.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the 
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude 
+# certain files from those directories. Note that the wildcards are matched 
+# against the file with absolute path, so to exclude all test directories 
+# for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       = 
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names 
+# (namespaces, classes, functions, etc.) that should be excluded from the 
+# output. The symbol name can be a fully qualified name, a word, or if the 
+# wildcard * is used, a substring. Examples: ANamespace, AClass, 
+# AClass::ANamespace, ANamespace::*Test
+
+EXCLUDE_SYMBOLS        = NSObject
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or 
+# directories that contain example code fragments that are included (see 
+# the \include command).
+
+EXAMPLE_PATH           = 
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the 
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
+# and *.h) to filter out the source-files in the directories. If left 
+# blank all files are included.
+
+EXAMPLE_PATTERNS       = *
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be 
+# searched for input files to be used with the \include or \dontinclude 
+# commands irrespective of the value of the RECURSIVE tag. 
+# Possible values are YES and NO. If left blank NO is used.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or 
+# directories that contain image that are included in the documentation (see 
+# the \image command).
+
+IMAGE_PATH             = 
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should 
+# invoke to filter for each input file. Doxygen will invoke the filter program 
+# by executing (via popen()) the command <filter> <input-file>, where <filter> 
+# is the value of the INPUT_FILTER tag, and <input-file> is the name of an 
+# input file. Doxygen will then use the output that the filter program writes 
+# to standard output.  If FILTER_PATTERNS is specified, this tag will be 
+# ignored.
+
+INPUT_FILTER           = 
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern 
+# basis.  Doxygen will compare the file name with each pattern and apply the 
+# filter if there is a match.  The filters are a list of the form: 
+# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further 
+# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER 
+# is applied to all files.
+
+FILTER_PATTERNS        = 
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using 
+# INPUT_FILTER) will be used to filter the input files when producing source 
+# files to browse (i.e. when SOURCE_BROWSER is set to YES).
+
+FILTER_SOURCE_FILES    = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will 
+# be generated. Documented entities will be cross-referenced with these sources. 
+# Note: To get rid of all source code in the generated output, make sure also 
+# VERBATIM_HEADERS is set to NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body 
+# of functions and classes directly in the documentation.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct 
+# doxygen to hide any special comment blocks from generated source code 
+# fragments. Normal C and C++ comments will always remain visible.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES 
+# then for each documented function all documented 
+# functions referencing it will be listed.
+
+REFERENCED_BY_RELATION = YES
+
+# If the REFERENCES_RELATION tag is set to YES 
+# then for each documented function all documented entities 
+# called/used by that function will be listed.
+
+REFERENCES_RELATION    = YES
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) 
+# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from 
+# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will 
+# link to the source code.  Otherwise they will link to the documentation.
+
+REFERENCES_LINK_SOURCE = NO
+
+# If the USE_HTAGS tag is set to YES then the references to source code 
+# will point to the HTML generated by the htags(1) tool instead of doxygen 
+# built-in source browser. The htags tool is part of GNU's global source 
+# tagging system (see http://www.gnu.org/software/global/global.html). You 
+# will need version 4.8.6 or higher.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen 
+# will generate a verbatim copy of the header file for each class for 
+# which an include is specified. Set to NO to disable this.
+
+VERBATIM_HEADERS       = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index 
+# of all compounds will be generated. Enable this if the project 
+# contains a lot of classes, structs, unions or interfaces.
+
+ALPHABETICAL_INDEX     = NO
+
+# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then 
+# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns 
+# in which this list will be split (can be a number in the range [1..20])
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all 
+# classes will be put under the same header in the alphabetical index. 
+# The IGNORE_PREFIX tag can be used to specify one or more prefixes that 
+# should be ignored while generating the index headers.
+
+IGNORE_PREFIX          = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES (the default) Doxygen will 
+# generate HTML output.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `html' will be used as the default path.
+
+HTML_OUTPUT            = Documentation
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for 
+# each generated HTML page (for example: .htm,.php,.asp). If it is left blank 
+# doxygen will generate files with .html extension.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a personal HTML header for 
+# each generated HTML page. If it is left blank doxygen will generate a 
+# standard header.
+
+HTML_HEADER            = 
+
+# The HTML_FOOTER tag can be used to specify a personal HTML footer for 
+# each generated HTML page. If it is left blank doxygen will generate a 
+# standard footer.
+
+HTML_FOOTER            = 
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading 
+# style sheet that is used by each HTML page. It can be used to 
+# fine-tune the look of the HTML output. If the tag is left blank doxygen 
+# will generate a default style sheet. Note that doxygen will try to copy 
+# the style sheet file to the HTML output directory, so don't put your own 
+# stylesheet in the HTML output directory as well, or it will be erased!
+
+HTML_STYLESHEET        = 
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. 
+# Doxygen will adjust the colors in the stylesheet and background images 
+# according to this color. Hue is specified as an angle on a colorwheel, 
+# see http://en.wikipedia.org/wiki/Hue for more information. 
+# For instance the value 0 represents red, 60 is yellow, 120 is green, 
+# 180 is cyan, 240 is blue, 300 purple, and 360 is red again. 
+# The allowed range is 0 to 359.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of 
+# the colors in the HTML output. For a value of 0 the output will use 
+# grayscales only. A value of 255 will produce the most vivid colors.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to 
+# the luminance component of the colors in the HTML output. Values below 
+# 100 gradually make the output lighter, whereas values above 100 make 
+# the output darker. The value divided by 100 is the actual gamma applied, 
+# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2, 
+# and 100 does not change the gamma.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML 
+# page will contain the date and time when the page was generated. Setting 
+# this to NO can help when comparing the output of multiple runs.
+
+HTML_TIMESTAMP         = YES
+
+# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, 
+# files or namespaces will be aligned in HTML using tables. If set to 
+# NO a bullet list will be used.
+
+HTML_ALIGN_MEMBERS     = YES
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML 
+# documentation will contain sections that can be hidden and shown after the 
+# page has loaded. For this to work a browser that supports 
+# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox 
+# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari).
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files 
+# will be generated that can be used as input for Apple's Xcode 3 
+# integrated development environment, introduced with OSX 10.5 (Leopard). 
+# To create a documentation set, doxygen will generate a Makefile in the 
+# HTML output directory. Running make will produce the docset in that 
+# directory and running "make install" will install the docset in 
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find 
+# it at startup. 
+# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html 
+# for more information.
+
+GENERATE_DOCSET        = YES
+
+# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the 
+# feed. A documentation feed provides an umbrella under which multiple 
+# documentation sets from a single provider (such as a company or product suite) 
+# can be grouped.
+
+DOCSET_FEEDNAME        = OCHamcrest
+
+# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that 
+# should uniquely identify the documentation set bundle. This should be a 
+# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen 
+# will append .docset to the name.
+
+DOCSET_BUNDLE_ID       = org.hamcrest.OCHamcrest
+
+# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely identify 
+# the documentation publisher. This should be a reverse domain-name style 
+# string, e.g. com.mycompany.MyDocSet.documentation.
+
+DOCSET_PUBLISHER_ID    = org.hamcrest
+
+# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher.
+
+DOCSET_PUBLISHER_NAME  = Hamcrest
+
+# If the GENERATE_HTMLHELP tag is set to YES, additional index files 
+# will be generated that can be used as input for tools like the 
+# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) 
+# of the generated HTML documentation.
+
+GENERATE_HTMLHELP      = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can 
+# be used to specify the file name of the resulting .chm file. You 
+# can add a path in front of the file if the result should not be 
+# written to the html output directory.
+
+CHM_FILE               = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can 
+# be used to specify the location (absolute path including file name) of 
+# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run 
+# the HTML help compiler on the generated index.hhp.
+
+HHC_LOCATION           = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag 
+# controls if a separate .chi index file is generated (YES) or that 
+# it should be included in the master .chm file (NO).
+
+GENERATE_CHI           = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING 
+# is used to encode HtmlHelp index (hhk), content (hhc) and project file 
+# content.
+
+CHM_INDEX_ENCODING     = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag 
+# controls whether a binary table of contents is generated (YES) or a 
+# normal table of contents (NO) in the .chm file.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members 
+# to the contents of the HTML help documentation and to the tree view.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and 
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated 
+# that can be used as input for Qt's qhelpgenerator to generate a 
+# Qt Compressed Help (.qch) of the generated HTML documentation.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can 
+# be used to specify the file name of the resulting .qch file. 
+# The path specified is relative to the HTML output folder.
+
+QCH_FILE               = 
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating 
+# Qt Help Project output. For more information please see 
+# http://doc.trolltech.com/qthelpproject.html#namespace
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating 
+# Qt Help Project output. For more information please see 
+# http://doc.trolltech.com/qthelpproject.html#virtual-folders
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to 
+# add. For more information please see 
+# http://doc.trolltech.com/qthelpproject.html#custom-filters
+
+QHP_CUST_FILTER_NAME   = 
+
+# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the 
+# custom filter to add. For more information please see 
+# <a href="http://doc.trolltech.com/qthelpproject.html#custom-filters"> 
+# Qt Help Project / Custom Filters</a>.
+
+QHP_CUST_FILTER_ATTRS  = 
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this 
+# project's 
+# filter section matches. 
+# <a href="http://doc.trolltech.com/qthelpproject.html#filter-attributes"> 
+# Qt Help Project / Filter Attributes</a>.
+
+QHP_SECT_FILTER_ATTRS  = 
+
+# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can 
+# be used to specify the location of Qt's qhelpgenerator. 
+# If non-empty doxygen will try to run qhelpgenerator on the generated 
+# .qhp file.
+
+QHG_LOCATION           = 
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files  
+# will be generated, which together with the HTML files, form an Eclipse help 
+# plugin. To install this plugin and make it available under the help contents 
+# menu in Eclipse, the contents of the directory containing the HTML and XML 
+# files needs to be copied into the plugins directory of eclipse. The name of 
+# the directory within the plugins directory should be the same as 
+# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before 
+# the help appears.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the eclipse help plugin. When installing the plugin 
+# the directory name containing the HTML and XML files should also have 
+# this name.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index at 
+# top of each HTML page. The value NO (the default) enables the index and 
+# the value YES disables it.
+
+DISABLE_INDEX          = NO
+
+# This tag can be used to set the number of enum values (range [1..20]) 
+# that doxygen will group on one line in the generated HTML documentation.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index 
+# structure should be generated to display hierarchical information. 
+# If the tag value is set to YES, a side panel will be generated 
+# containing a tree-like index structure (just like the one that 
+# is generated for HTML Help). For this to work a browser that supports 
+# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). 
+# Windows users are probably better off using the HTML help feature.
+
+GENERATE_TREEVIEW      = NO
+
+# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, 
+# and Class Hierarchy pages using a tree view instead of an ordered list.
+
+USE_INLINE_TREES       = NO
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
+# used to set the initial width (in pixels) of the frame in which the tree 
+# is shown.
+
+TREEVIEW_WIDTH         = 250
+
+# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open 
+# links to external symbols imported via tag files in a separate window.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of Latex formulas included 
+# as images in the HTML documentation. The default is 10. Note that 
+# when you change the font size after a successful doxygen run you need 
+# to manually remove any form_*.png images from the HTML output directory 
+# to force them to be regenerated.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images 
+# generated for formulas are transparent PNGs. Transparent PNGs are 
+# not supported properly for IE 6.0, but are supported on all modern browsers. 
+# Note that when changing this option you need to delete any form_*.png files 
+# in the HTML output before the changes have effect.
+
+FORMULA_TRANSPARENT    = YES
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box 
+# for the HTML output. The underlying search engine uses javascript 
+# and DHTML and should work on any modern browser. Note that when using 
+# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets 
+# (GENERATE_DOCSET) there is already a search function so this one should 
+# typically be disabled. For large projects the javascript based search engine 
+# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution.
+
+SEARCHENGINE           = NO
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be 
+# implemented using a PHP enabled web server instead of at the web client 
+# using Javascript. Doxygen will generate the search PHP script and index 
+# file to put on the web server. The advantage of the server 
+# based approach is that it scales better to large projects and allows 
+# full text search. The disadvances is that it is more difficult to setup 
+# and does not have live searching capabilities.
+
+SERVER_BASED_SEARCH    = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will 
+# generate Latex output.
+
+GENERATE_LATEX         = NO
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `latex' will be used as the default path.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be 
+# invoked. If left blank `latex' will be used as the default command name. 
+# Note that when enabling USE_PDFLATEX this option is only used for 
+# generating bitmaps for formulas in the HTML output, but not in the 
+# Makefile that is written to the output directory.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to 
+# generate index for LaTeX. If left blank `makeindex' will be used as the 
+# default command name.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact 
+# LaTeX documents. This may be useful for small projects and may help to 
+# save some trees in general.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used 
+# by the printer. Possible values are: a4, a4wide, letter, legal and 
+# executive. If left blank a4wide will be used.
+
+PAPER_TYPE             = a4wide
+
+# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX 
+# packages that should be included in the LaTeX output.
+
+EXTRA_PACKAGES         = 
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for 
+# the generated latex document. The header should contain everything until 
+# the first chapter. If it is left blank doxygen will generate a 
+# standard header. Notice: only use this tag if you know what you are doing!
+
+LATEX_HEADER           = 
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated 
+# is prepared for conversion to pdf (using ps2pdf). The pdf file will 
+# contain links (just like the HTML output) instead of page references 
+# This makes the output suitable for online browsing using a pdf viewer.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of 
+# plain latex in the generated Makefile. Set this option to YES to get a 
+# higher quality PDF documentation.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. 
+# command to the generated LaTeX files. This will instruct LaTeX to keep 
+# running if errors occur, instead of asking the user for help. 
+# This option is also used when generating formulas in HTML.
+
+LATEX_BATCHMODE        = NO
+
+# If LATEX_HIDE_INDICES is set to YES then doxygen will not 
+# include the index chapters (such as File Index, Compound Index, etc.) 
+# in the output.
+
+LATEX_HIDE_INDICES     = NO
+
+# If LATEX_SOURCE_CODE is set to YES then doxygen will include 
+# source code with syntax highlighting in the LaTeX output. 
+# Note that which sources are shown also depends on other settings 
+# such as SOURCE_BROWSER.
+
+LATEX_SOURCE_CODE      = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output 
+# The RTF output is optimized for Word 97 and may not look very pretty with 
+# other RTF readers or editors.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `rtf' will be used as the default path.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES Doxygen generates more compact 
+# RTF documents. This may be useful for small projects and may help to 
+# save some trees in general.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated 
+# will contain hyperlink fields. The RTF file will 
+# contain links (just like the HTML output) instead of page references. 
+# This makes the output suitable for online browsing using WORD or other 
+# programs which support those fields. 
+# Note: wordpad (write) and others do not support links.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's 
+# config file, i.e. a series of assignments. You only have to provide 
+# replacements, missing definitions are set to their default value.
+
+RTF_STYLESHEET_FILE    = 
+
+# Set optional variables used in the generation of an rtf document. 
+# Syntax is similar to doxygen's config file.
+
+RTF_EXTENSIONS_FILE    = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES (the default) Doxygen will 
+# generate man pages
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `man' will be used as the default path.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to 
+# the generated man pages (default is the subroutine's section .3)
+
+MAN_EXTENSION          = .3
+
+# If the MAN_LINKS tag is set to YES and Doxygen generates man output, 
+# then it will generate one additional man file for each entity 
+# documented in the real man page(s). These additional files 
+# only source the real man page, but without them the man command 
+# would be unable to find the correct page. The default is NO.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES Doxygen will 
+# generate an XML file that captures the structure of 
+# the code including all documentation.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `xml' will be used as the default path.
+
+XML_OUTPUT             = xml
+
+# The XML_SCHEMA tag can be used to specify an XML schema, 
+# which can be used by a validating XML parser to check the 
+# syntax of the XML files.
+
+XML_SCHEMA             = 
+
+# The XML_DTD tag can be used to specify an XML DTD, 
+# which can be used by a validating XML parser to check the 
+# syntax of the XML files.
+
+XML_DTD                = 
+
+# If the XML_PROGRAMLISTING tag is set to YES Doxygen will 
+# dump the program listings (including syntax highlighting 
+# and cross-referencing information) to the XML output. Note that 
+# enabling this will significantly increase the size of the XML output.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will 
+# generate an AutoGen Definitions (see autogen.sf.net) file 
+# that captures the structure of the code including all 
+# documentation. Note that this feature is still experimental 
+# and incomplete at the moment.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES Doxygen will 
+# generate a Perl module file that captures the structure of 
+# the code including all documentation. Note that this 
+# feature is still experimental and incomplete at the 
+# moment.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES Doxygen will generate 
+# the necessary Makefile rules, Perl scripts and LaTeX code to be able 
+# to generate PDF and DVI output from the Perl module output.
+
+PERLMOD_LATEX          = NO
+
+# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be 
+# nicely formatted so it can be parsed by a human reader.  This is useful 
+# if you want to understand what is going on.  On the other hand, if this 
+# tag is set to NO the size of the Perl module output will be much smaller 
+# and Perl will parse it just the same.
+
+PERLMOD_PRETTY         = YES
+
+# The names of the make variables in the generated doxyrules.make file 
+# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. 
+# This is useful so different doxyrules.make files included by the same 
+# Makefile don't overwrite each other's variables.
+
+PERLMOD_MAKEVAR_PREFIX = 
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will 
+# evaluate all C-preprocessor directives found in the sources and include 
+# files.
+
+ENABLE_PREPROCESSING   = YES
+
+# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro 
+# names in the source code. If set to NO (the default) only conditional 
+# compilation will be performed. Macro expansion can be done in a controlled 
+# way by setting EXPAND_ONLY_PREDEF to YES.
+
+MACRO_EXPANSION        = YES
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES 
+# then the macro expansion is limited to the macros specified with the 
+# PREDEFINED and EXPAND_AS_DEFINED tags.
+
+EXPAND_ONLY_PREDEF     = NO
+
+# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files 
+# in the INCLUDE_PATH (see below) will be search if a #include is found.
+
+SEARCH_INCLUDES        = NO
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that 
+# contain include files that are not input files but should be processed by 
+# the preprocessor.
+
+INCLUDE_PATH           = 
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard 
+# patterns (like *.h and *.hpp) to filter out the header-files in the 
+# directories. If left blank, the patterns specified with FILE_PATTERNS will 
+# be used.
+
+INCLUDE_FILE_PATTERNS  = 
+
+# The PREDEFINED tag can be used to specify one or more macro names that 
+# are defined before the preprocessor is started (similar to the -D option of 
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+# omitted =1 is assumed. To prevent a macro definition from being 
+# undefined via #undef or recursively expanded use the := operator 
+# instead of the = operator.
+
+PREDEFINED             = HC_SHORTHAND \
+                         OBJC_EXPORT= \
+                         __cplusplus
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
+# this tag can be used to specify a list of macro names that should be expanded. 
+# The macro definition that is found in the sources will be used. 
+# Use the PREDEFINED tag if you want to use a different macro definition.
+
+EXPAND_AS_DEFINED      = 
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then 
+# doxygen's preprocessor will remove all function-like macros that are alone 
+# on a line, have an all uppercase name, and do not end with a semicolon. Such 
+# function macros are typically used for boiler-plate code, and will confuse 
+# the parser if not removed.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES option can be used to specify one or more tagfiles. 
+# Optionally an initial location of the external documentation 
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+# this location is as follows: 
+#   TAGFILES = file1 file2 ... 
+# Adding location for the tag files is done as follows: 
+#   TAGFILES = file1=loc1 "file2 = loc2" ... 
+# where "loc1" and "loc2" can be relative or absolute paths or 
+# URLs. If a location is present for each tag, the installdox tool 
+# does not have to be run to correct the links. 
+# Note that each tag file must have a unique name 
+# (where the name does NOT include the path) 
+# If a tag file is not located in the directory in which doxygen 
+# is run, you must also specify the path to the tagfile here.
+
+TAGFILES               = 
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create 
+# a tag file that is based on the input files it reads.
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+GENERATE_TAGFILE       = 
+
+# If the ALLEXTERNALS tag is set to YES all external classes will be listed 
+# in the class index. If set to NO only the inherited external classes 
+# will be listed.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed 
+# in the modules index. If set to NO, only the current project's groups will 
+# be listed.
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+EXTERNAL_GROUPS        = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script 
+# interpreter (i.e. the result of `which perl').
+
+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will 
+# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base 
+# or super classes. Setting the tag to NO turns the diagrams off. Note that 
+# this option is superseded by the HAVE_DOT option below. This is only a 
+# fallback. It is recommended to install and use dot, since it yields more 
+# powerful graphs.
+
+CLASS_DIAGRAMS         = NO
+
+# You can define message sequence charts within doxygen comments using the \msc 
+# command. Doxygen will then run the mscgen tool (see 
+# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the 
+# documentation. The MSCGEN_PATH tag allows you to specify the directory where 
+# the mscgen tool resides. If left empty the tool is assumed to be found in the 
+# default search path.
+
+MSCGEN_PATH            = /Applications/Doxygen.app/Contents/Resources/
+
+# If set to YES, the inheritance and collaboration graphs will hide 
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+# or is not a class.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is 
+# available from the path. This tool is part of Graphviz, a graph visualization 
+# toolkit from AT&T and Lucent Bell Labs. The other options in this section 
+# have no effect if this option is set to NO (the default)
+
+HAVE_DOT               = YES
+
+# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is 
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+# base this on the number of processors available in the system. You can set it 
+# explicitly to a value larger than 0 to get control over the balance 
+# between CPU load and processing speed.
+
+DOT_NUM_THREADS        = 0
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+# By default doxygen will write a font called FreeSans.ttf to the output 
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+# which can be done by putting it in a standard location or by setting the 
+# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory 
+# containing the font.
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+DOT_FONTNAME           = FreeSans.ttf
+
+# The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs. 
+# The default size is 10pt.
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+DOT_FONTSIZE           = 10
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+# By default doxygen will tell dot to use the output directory to look for the 
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+
+DOT_FONTPATH           = 
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+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen 
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+# indirect inheritance relations. Setting this tag to YES will force the 
+# the CLASS_DIAGRAMS tag to NO.
+
+CLASS_GRAPH            = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for each documented class showing the direct and 
+# indirect implementation dependencies (inheritance, containment, and 
+# class references variables) of the class with other documented classes.
+
+COLLABORATION_GRAPH    = NO
+
+# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for groups, showing the direct groups dependencies
+
+GROUP_GRAPHS           = NO
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+# If the UML_LOOK tag is set to YES doxygen will generate inheritance and 
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+# If set to YES, the inheritance and collaboration graphs will show the 
+# relations between templates and their instances.
+
+TEMPLATE_RELATIONS     = NO
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+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT 
+# tags are set to YES then doxygen will generate a graph for each documented 
+# file showing the direct and indirect include dependencies of the file with 
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+
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+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and 
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+# documented header file showing the documented files that directly or 
+# indirectly include this file.
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+# If the CALL_GRAPH and HAVE_DOT options are set to YES then 
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+# the time of a run. So in most cases it will be better to enable call graphs 
+# for selected functions only using the \callgraph command.
+
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+
+# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then 
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+CALLER_GRAPH           = NO
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+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen 
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+# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES 
+# then doxygen will show the dependencies a directory has on other directories 
+# in a graphical way. The dependency relations are determined by the #include 
+# relations between the files in the directories.
+
+DIRECTORY_GRAPH        = YES
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+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images 
+# generated by dot. Possible values are png, jpg, or gif 
+# If left blank png will be used.
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+DOT_IMAGE_FORMAT       = png
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+# The tag DOT_PATH can be used to specify the path where the dot tool can be 
+# found. If left blank, it is assumed the dot tool can be found in the path.
+
+DOT_PATH               = /Applications/Doxygen.app/Contents/Resources/
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that 
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+# \dotfile command).
+
+DOTFILE_DIRS           = 
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of 
+# nodes that will be shown in the graph. If the number of nodes in a graph 
+# becomes larger than this value, doxygen will truncate the graph, which is 
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+# number of direct children of the root node in a graph is already larger than 
+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note 
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+
+DOT_GRAPH_MAX_NODES    = 50
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the 
+# graphs generated by dot. A depth value of 3 means that only nodes reachable 
+# from the root by following a path via at most 3 edges will be shown. Nodes 
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+# option to 1 or 2 may greatly reduce the computation time needed for large 
+# code bases. Also note that the size of a graph can be further restricted by 
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+
+MAX_DOT_GRAPH_DEPTH    = 1000
+
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent 
+# background. This is disabled by default, because dot on Windows does not 
+# seem to support this out of the box. Warning: Depending on the platform used, 
+# enabling this option may lead to badly anti-aliased labels on the edges of 
+# a graph (i.e. they become hard to read).
+
+DOT_TRANSPARENT        = YES
+
+# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output 
+# files in one run (i.e. multiple -o and -T options on the command line). This 
+# makes dot run faster, but since only newer versions of dot (>1.8.10) 
+# support this, this feature is disabled by default.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will 
+# generate a legend page explaining the meaning of the various boxes and 
+# arrows in the dot generated graphs.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will 
+# remove the intermediate dot files that are used to generate 
+# the various graphs.
+
+DOT_CLEANUP            = YES
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Makefile b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Makefile
new file mode 100644
index 0000000..cd7739b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/Makefile
@@ -0,0 +1,9 @@
+DOCSET_NAME=org.hamcrest.OCHamcrest.docset
+DESTDIR=~/Library/Developer/Shared/Documentation/DocSets
+
+install:
+	mkdir -p $(DESTDIR)
+	cp -R $(DOCSET_NAME) $(DESTDIR)
+
+uninstall:
+	rm -rf $(DESTDIR)/$(DOCSET_NAME)
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/README.txt b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/README.txt
new file mode 100644
index 0000000..1e498dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Documentation/README.txt
@@ -0,0 +1,3 @@
+Run "make install" to install the OCHamcrest documentation so that it can be opened in the Xcode documentation window.
+
+Run "make uninstall" to remove.
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/CustomDateMatcher.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/CustomDateMatcher.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..48c3b15
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/CustomDateMatcher.xcodeproj/project.pbxproj
@@ -0,0 +1,270 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
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+/* Begin PBXBuildFile section */
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+
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+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 16;
+			files = (
+				08B51A4D12A0688B00147210 /* OCHamcrest.framework in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		0817B62A147ED03A00C5401D /* SenTestingKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SenTestingKit.framework; path = Library/Frameworks/SenTestingKit.framework; sourceTree = DEVELOPER_DIR; };
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+		0FC2648E0DA88ECB00B4CD6B /* Example.octest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Example.octest; sourceTree = BUILT_PRODUCTS_DIR; };
+		0FC264900DA88ECB00B4CD6B /* Example-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Example-Info.plist"; sourceTree = "<group>"; };
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+				0817B62B147ED03A00C5401D /* SenTestingKit.framework in Frameworks */,
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+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
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+		0FC264760DA88EAA00B4CD6B = {
+			isa = PBXGroup;
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+				089BA20B1298F19A00D4F34F /* IsGivenDayOfWeek.h */,
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+				0FC264980DA88F1100B4CD6B /* SampleTest.m */,
+				0FC2658B0DA8981900B4CD6B /* Resources */,
+				0FC2658F0DA8983200B4CD6B /* Frameworks */,
+				0FC2648F0DA88ECB00B4CD6B /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		0FC2648F0DA88ECB00B4CD6B /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				0FC2648E0DA88ECB00B4CD6B /* Example.octest */,
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+			name = Products;
+			sourceTree = "<group>";
+		};
+		0FC2658B0DA8981900B4CD6B /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				0FC264900DA88ECB00B4CD6B /* Example-Info.plist */,
+			);
+			name = Resources;
+			sourceTree = "<group>";
+		};
+		0FC2658F0DA8983200B4CD6B /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				0817B62A147ED03A00C5401D /* SenTestingKit.framework */,
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+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		0FC2648D0DA88ECB00B4CD6B /* Example */ = {
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+			buildConfigurationList = 0FC264940DA88ECB00B4CD6B /* Build configuration list for PBXNativeTarget "Example" */;
+			buildPhases = (
+				0FC2648A0DA88ECB00B4CD6B /* Sources */,
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+				08B5189B12A0642100147210 /* CopyFiles */,
+				0FC2648C0DA88ECB00B4CD6B /* ShellScript */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = Example;
+			productName = Example;
+			productReference = 0FC2648E0DA88ECB00B4CD6B /* Example.octest */;
+			productType = "com.apple.product-type.bundle";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		0FC264780DA88EAA00B4CD6B /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0450;
+			};
+			buildConfigurationList = 0FC2647B0DA88EAA00B4CD6B /* Build configuration list for PBXProject "CustomDateMatcher" */;
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+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				English,
+				Japanese,
+				French,
+				German,
+			);
+			mainGroup = 0FC264760DA88EAA00B4CD6B;
+			productRefGroup = 0FC2648F0DA88ECB00B4CD6B /* Products */;
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+			projectRoot = "";
+			targets = (
+				0FC2648D0DA88ECB00B4CD6B /* Example */,
+			);
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+
+/* Begin PBXShellScriptBuildPhase section */
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+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
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+			);
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+			shellPath = /bin/sh;
+			shellScript = "# Run the unit tests in this test bundle.\n\"${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests\"\n";
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+			files = (
+				0FC264990DA88F1100B4CD6B /* SampleTest.m in Sources */,
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+/* End PBXSourcesBuildPhase section */
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+/* Begin XCBuildConfiguration section */
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+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				COPY_PHASE_STRIP = NO;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Debug;
+		};
+		0FC2647A0DA88EAA00B4CD6B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				COPY_PHASE_STRIP = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Release;
+		};
+		0FC264920DA88ECB00B4CD6B /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COMBINE_HIDPI_IMAGES = YES;
+				COPY_PHASE_STRIP = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+					"$(FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1)",
+				);
+				FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1 = "\"$(SRCROOT)/../..\"";
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_MODEL_TUNING = G5;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				INFOPLIST_FILE = "Example-Info.plist";
+				INSTALL_PATH = "$(USER_LIBRARY_DIR)/Bundles";
+				OTHER_LDFLAGS = (
+					"-framework",
+					Foundation,
+					"-framework",
+					SenTestingKit,
+				);
+				PRODUCT_NAME = Example;
+				WRAPPER_EXTENSION = octest;
+			};
+			name = Debug;
+		};
+		0FC264930DA88ECB00B4CD6B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COMBINE_HIDPI_IMAGES = YES;
+				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+					"$(FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1)",
+				);
+				FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1 = "\"$(SRCROOT)/../..\"";
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_MODEL_TUNING = G5;
+				INFOPLIST_FILE = "Example-Info.plist";
+				INSTALL_PATH = "$(USER_LIBRARY_DIR)/Bundles";
+				OTHER_LDFLAGS = (
+					"-framework",
+					Foundation,
+					"-framework",
+					SenTestingKit,
+				);
+				PRODUCT_NAME = Example;
+				WRAPPER_EXTENSION = octest;
+				ZERO_LINK = NO;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		0FC2647B0DA88EAA00B4CD6B /* Build configuration list for PBXProject "CustomDateMatcher" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				0FC264790DA88EAA00B4CD6B /* Debug */,
+				0FC2647A0DA88EAA00B4CD6B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		0FC264940DA88ECB00B4CD6B /* Build configuration list for PBXNativeTarget "Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				0FC264920DA88ECB00B4CD6B /* Debug */,
+				0FC264930DA88ECB00B4CD6B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 0FC264780DA88EAA00B4CD6B /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/Example-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/Example-Info.plist
new file mode 100644
index 0000000..d33e7e4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/Example-Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.hamcrest.Example</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.h
new file mode 100644
index 0000000..a039c9f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.h
@@ -0,0 +1,17 @@
+#import <OCHamcrest/HCBaseMatcher.h>
+#import <objc/objc-api.h>
+
+// Matches dates that fall on a given day of the week.
+@interface IsGivenDayOfWeek : HCBaseMatcher
+{
+    NSInteger day;      // Sunday is 0, Saturday is 6
+}
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek;
+- (id)initWithDay:(NSInteger)dayOfWeek;
+
+@end
+
+
+// Factory function to generate Saturday matcher.
+OBJC_EXPORT id <HCMatcher> onASaturday();
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.m
new file mode 100644
index 0000000..c92df36
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/IsGivenDayOfWeek.m
@@ -0,0 +1,42 @@
+#import "IsGivenDayOfWeek.h"
+#import <OCHamcrest/HCDescription.h>
+
+@implementation IsGivenDayOfWeek
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek
+{
+    return [[self alloc] initWithDay:dayOfWeek];
+}
+
+- (id)initWithDay:(NSInteger)dayOfWeek
+{
+    self = [super init];
+    if (self)
+        day = dayOfWeek;
+    return self;
+}
+
+// Test whether item matches.
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(dayOfWeek)])
+        return NO;
+
+    return [item dayOfWeek] == day;
+}
+
+// Describe the matcher.
+- (void)describeTo:(id <HCDescription>)description
+{
+    NSString* dayAsString[] =
+        { @"Sunday", @"Monday", @"Tuesday", @"Wednesday", @"Thursday", @"Friday", @"Saturday" };
+    [[description appendText:@"calendar date falling on "] appendText:dayAsString[day]];
+}
+
+@end
+
+
+id <HCMatcher> onASaturday()
+{
+    return [IsGivenDayOfWeek isGivenDayOfWeek:6];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/SampleTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/SampleTest.m
new file mode 100644
index 0000000..5a16c3c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/CustomDateMatcher/SampleTest.m
@@ -0,0 +1,34 @@
+#import <SenTestingKit/SenTestingKit.h>
+
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+
+#import "IsGivenDayOfWeek.h"
+
+@interface SampleTest : SenTestCase
+@end
+
+@implementation SampleTest
+
+- (void)testDateIsOnASaturday
+{
+    // Example of a successful match.
+    NSCalendarDate* date = [NSCalendarDate dateWithString:@"26 Apr 2008" calendarFormat:@"%d %b %Y"];
+    assertThat(date, is(onASaturday()));
+}
+
+- (void)testFailsWithMismatchedDate
+{
+    // Example of what happens with date that doesn't match.
+    NSCalendarDate* date = [NSCalendarDate dateWithString:@"06 Apr 2008" calendarFormat:@"%d %b %Y"];
+    assertThat(date, is(onASaturday()));
+}
+
+- (void)testFailsWithNonDate
+{
+    // Example of what happens with object that isn't a date.
+    NSString* nonDate = @"oops";
+    assertThat(nonDate, is(onASaturday()));
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example-Info.plist
new file mode 100644
index 0000000..d33e7e4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example-Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.hamcrest.Example</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example.m
new file mode 100644
index 0000000..2911da8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/Example.m
@@ -0,0 +1,24 @@
+#import <SenTestingKit/SenTestingKit.h>
+
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+
+@interface Example : SenTestCase
+@end
+
+@implementation Example
+
+- (void)testUsingAssertThat
+{
+    assertThat(@"xx", is(@"xx"));
+    assertThat(@"yy", isNot(@"xx"));
+    assertThat(@"i like cheese", containsString(@"cheese"));
+}
+
+- (void)testUsingNumbers
+{
+    assertThatInt(42, is(@42));
+    assertThatUnsignedShort(6 * 9, isNot(@42U));
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/MacExample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/MacExample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..49c63fb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/MacExample/MacExample.xcodeproj/project.pbxproj
@@ -0,0 +1,251 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		0817B622147ECFFC00C5401D /* SenTestingKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0817B621147ECFFC00C5401D /* SenTestingKit.framework */; };
+		08B519DB12A0681600147210 /* OCHamcrest.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 08B519DA12A0681600147210 /* OCHamcrest.framework */; };
+		08B519DC12A0682300147210 /* OCHamcrest.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 08B519DA12A0681600147210 /* OCHamcrest.framework */; };
+		0FC264990DA88F1100B4CD6B /* Example.m in Sources */ = {isa = PBXBuildFile; fileRef = 0FC264980DA88F1100B4CD6B /* Example.m */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		08B518CA12A065C700147210 /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 16;
+			files = (
+				08B519DC12A0682300147210 /* OCHamcrest.framework in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		0817B621147ECFFC00C5401D /* SenTestingKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = SenTestingKit.framework; path = Library/Frameworks/SenTestingKit.framework; sourceTree = DEVELOPER_DIR; };
+		08B519DA12A0681600147210 /* OCHamcrest.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OCHamcrest.framework; path = ../../OCHamcrest.framework; sourceTree = SOURCE_ROOT; };
+		0FC2648E0DA88ECB00B4CD6B /* Example.octest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Example.octest; sourceTree = BUILT_PRODUCTS_DIR; };
+		0FC264900DA88ECB00B4CD6B /* Example-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Example-Info.plist"; sourceTree = "<group>"; };
+		0FC264980DA88F1100B4CD6B /* Example.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Example.m; sourceTree = "<group>"; usesTabs = 0; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		0FC2648B0DA88ECB00B4CD6B /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				08B519DB12A0681600147210 /* OCHamcrest.framework in Frameworks */,
+				0817B622147ECFFC00C5401D /* SenTestingKit.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		0FC264760DA88EAA00B4CD6B = {
+			isa = PBXGroup;
+			children = (
+				0FC264980DA88F1100B4CD6B /* Example.m */,
+				0FC2658B0DA8981900B4CD6B /* Resources */,
+				0FC2658F0DA8983200B4CD6B /* Frameworks */,
+				0FC2648F0DA88ECB00B4CD6B /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		0FC2648F0DA88ECB00B4CD6B /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				0FC2648E0DA88ECB00B4CD6B /* Example.octest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		0FC2658B0DA8981900B4CD6B /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				0FC264900DA88ECB00B4CD6B /* Example-Info.plist */,
+			);
+			name = Resources;
+			sourceTree = "<group>";
+		};
+		0FC2658F0DA8983200B4CD6B /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				0817B621147ECFFC00C5401D /* SenTestingKit.framework */,
+				08B519DA12A0681600147210 /* OCHamcrest.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		0FC2648D0DA88ECB00B4CD6B /* Example */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 0FC264940DA88ECB00B4CD6B /* Build configuration list for PBXNativeTarget "Example" */;
+			buildPhases = (
+				0FC2648A0DA88ECB00B4CD6B /* Sources */,
+				0FC2648B0DA88ECB00B4CD6B /* Frameworks */,
+				08B518CA12A065C700147210 /* CopyFiles */,
+				0FC2648C0DA88ECB00B4CD6B /* ShellScript */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = Example;
+			productName = Example;
+			productReference = 0FC2648E0DA88ECB00B4CD6B /* Example.octest */;
+			productType = "com.apple.product-type.bundle";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		0FC264780DA88EAA00B4CD6B /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0420;
+			};
+			buildConfigurationList = 0FC2647B0DA88EAA00B4CD6B /* Build configuration list for PBXProject "MacExample" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				English,
+				Japanese,
+				French,
+				German,
+			);
+			mainGroup = 0FC264760DA88EAA00B4CD6B;
+			productRefGroup = 0FC2648F0DA88ECB00B4CD6B /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				0FC2648D0DA88ECB00B4CD6B /* Example */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXShellScriptBuildPhase section */
+		0FC2648C0DA88ECB00B4CD6B /* ShellScript */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "# Run the unit tests in this test bundle.\n\"${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests\"\n";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		0FC2648A0DA88ECB00B4CD6B /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				0FC264990DA88F1100B4CD6B /* Example.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		0FC264790DA88EAA00B4CD6B /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				COPY_PHASE_STRIP = NO;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Debug;
+		};
+		0FC2647A0DA88EAA00B4CD6B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				COPY_PHASE_STRIP = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Release;
+		};
+		0FC264920DA88ECB00B4CD6B /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COPY_PHASE_STRIP = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+					"$(FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1)",
+				);
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				INFOPLIST_FILE = "Example-Info.plist";
+				INSTALL_PATH = "$(USER_LIBRARY_DIR)/Bundles";
+				OTHER_LDFLAGS = (
+					"-framework",
+					Foundation,
+				);
+				PRODUCT_NAME = Example;
+				WRAPPER_EXTENSION = octest;
+			};
+			name = Debug;
+		};
+		0FC264930DA88ECB00B4CD6B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+					"$(FRAMEWORK_SEARCH_PATHS_QUOTED_FOR_TARGET_1)",
+				);
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				INFOPLIST_FILE = "Example-Info.plist";
+				INSTALL_PATH = "$(USER_LIBRARY_DIR)/Bundles";
+				OTHER_LDFLAGS = (
+					"-framework",
+					Foundation,
+				);
+				PRODUCT_NAME = Example;
+				WRAPPER_EXTENSION = octest;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		0FC2647B0DA88EAA00B4CD6B /* Build configuration list for PBXProject "MacExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				0FC264790DA88EAA00B4CD6B /* Debug */,
+				0FC2647A0DA88EAA00B4CD6B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		0FC264940DA88ECB00B4CD6B /* Build configuration list for PBXNativeTarget "Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				0FC264920DA88ECB00B4CD6B /* Debug */,
+				0FC264930DA88ECB00B4CD6B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 0FC264780DA88EAA00B4CD6B /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example-Info.plist
new file mode 100644
index 0000000..94eb7f4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example-Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.yourcompany.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example.m
new file mode 100644
index 0000000..0c89085
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/Example.m
@@ -0,0 +1,24 @@
+#import <SenTestingKit/SenTestingKit.h>
+
+#define HC_SHORTHAND
+#import <OCHamcrestIOS/OCHamcrestIOS.h>
+
+@interface Example : SenTestCase
+@end
+
+@implementation Example
+
+- (void)testUsingAssertThat
+{
+    assertThat(@"xx", is(@"xx"));
+    assertThat(@"yy", isNot(@"xx"));
+    assertThat(@"I like cheese", containsString(@"cheese"));
+}
+
+- (void)testUsingNumbers
+{
+    assertThatInt(42, is(@42));
+    assertThatUnsignedShort(6 * 9, isNot(@42U));
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/iOSExample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/iOSExample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..368b4e6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Examples/iOSExample/iOSExample.xcodeproj/project.pbxproj
@@ -0,0 +1,238 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 45;
+	objects = {
+
+/* Begin PBXBuildFile section */
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diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/LICENSE.txt b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/LICENSE.txt
new file mode 100644
index 0000000..a316a3e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/LICENSE.txt
@@ -0,0 +1,27 @@
+BSD License
+
+Copyright 2012 hamcrest.org
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+Redistributions of source code must retain the above copyright notice, this list of
+conditions and the following disclaimer. Redistributions in binary form must reproduce
+the above copyright notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the distribution.
+
+Neither the name of Hamcrest nor the names of its contributors may be used to endorse
+or promote products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/README.md b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/README.md
new file mode 100644
index 0000000..0c96e02
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/README.md
@@ -0,0 +1,314 @@
+![ochamcrest](http://hamcrest.org/images/logo.jpg)
+
+What is OCHamcrest?
+===================
+
+OCHamcrest is:
+
+* a library of "matcher" objects that let you declare rules for whether a given
+  object matches the criteria or not.
+* a framework for writing your own matchers.
+
+Matchers are useful for a variety of purposes, such as UI validation. But
+they're most commonly used for writing unit tests that are expressive and
+flexible.
+
+OCHamcrest can be used for either iOS or OS X development with:
+
+* OCUnit (SenTestingKit) built in to Xcode
+* Google Toolbox for Mac (GTM)
+* GHUnit
+* Cedar BDD framework
+* OCMock
+* OCMockito
+
+
+How do I add OCHamcrest to my project?
+======================================
+
+__Building:__
+
+If you want to build OCHamcrest yourself, clone the repo, then
+
+```sh
+$ git submodule update --init
+$ cd Source
+$ ./MakeDistribution.sh
+```
+
+Or just use the pre-built release available at
+[QualityCoding.org](http://qualitycoding.org/resources/).
+
+__iOS Project Setup:__
+
+Add OCHamcrestIOS.framework to your project.
+
+Add:
+
+    #define HC_SHORTHAND
+    #import <OCHamcrestIOS/OCHamcrestIOS.h>
+
+__OS X Project Setup:__
+
+Add OCHamcrest.framework to your project.
+
+Add a Copy Files build phase to copy OCHamcrest.framework to your Products
+Directory. For unit test bundles, make sure this Copy Files phase comes before
+the Run Script phase that executes tests.
+
+Add:
+
+    #define HC_SHORTHAND
+    #import <OCHamcrest/OCHamcrest.h>
+
+Note: If your Console shows
+
+    otest[57510:203] *** NSTask: Task create for path '...' failed: 22, "Invalid argument".  Terminating temporary process.
+
+double-check your Copy Files phase.
+
+
+My first OCHamcrest test
+========================
+
+We'll start by writing a very simple Xcode unit test, but instead of using
+OCUnit's ``STAssertEqualObjects`` function, we'll use OCHamcrest's
+``assertThat`` construct and a predefined matcher:
+
+```obj-c
+#import <SenTestingKit/SenTestingKit.h>
+
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+
+@interface BiscuitTest : SenTestCase
+@end
+
+@implementation BiscuitTest
+
+- (void)testEquals
+{
+    Biscuit* theBiscuit = [Biscuit biscuitNamed:@"Ginger"];
+    Biscuit* myBiscuit = [Biscuit biscuitNamed:@"Ginger"];
+    assertThat(theBiscuit, equalTo(myBiscuit));
+}
+
+@end
+```
+
+The ``assertThat`` function is a stylized sentence for making a test assertion.
+In this example, the subject of the assertion is the object ``theBiscuit``,
+which is the first method parameter. The second method parameter is a matcher
+for ``Biscuit`` objects, here a matcher that checks one object is equal to
+another using the ``-isEqual:`` method. The test passes since the ``Biscuit``
+class defines an ``-isEqual:`` method.
+
+OCHamcrest's functions are actually declared with an "HC" package prefix (such
+as ``HC_assertThat`` and ``HC_equalTo``) to avoid name clashes. To make test
+writing faster and test code more legible, shorthand macros are provided if
+``HC_SHORTHAND`` is defined before including the OCHamcrest header. For example,
+instead of writing ``HC_assertThat``, simply write ``assertThat``.
+
+
+Predefined matchers
+===================
+
+OCHamcrest comes with a library of useful matchers:
+
+* Object
+
+  * ``conformsTo`` - match object that conforms to protocol
+  * ``equalTo`` - match equal object
+  * ``hasDescription`` - match object's ``-description``
+  * ``hasProperty`` - match return value of method with given name
+  * ``instanceOf`` - match object type
+  * ``nilValue``, ``notNilValue`` - match ``nil``, or not ``nil``
+  * ``sameInstance`` - match same object
+
+* Number
+
+  * ``closeTo`` - match number close to a given value
+  * equalTo&lt;TypeName&gt; - match number equal to a primitive number (such as
+  ``equalToInt`` for an ``int``)
+  * ``greaterThan``, ``greaterThanOrEqualTo``, ``lessThan``,
+  ``lessThanOrEqualTo`` - match numeric ordering
+
+* Text
+
+  * ``containsString`` - match part of a string
+  * ``endsWith`` - match the end of a string
+  * ``equalToIgnoringCase`` - match the complete string but ignore case
+  * ``equalToIgnoringWhitespace`` - match the complete string but ignore
+  extra whitespace
+  * ``startsWith`` - match the beginning of a string
+  * ``stringContainsInOrder`` - match parts of a string, in relative order
+
+* Logical
+
+  * ``allOf`` - "and" together all matchers
+  * ``anyOf`` - "or" together all matchers
+  * ``anything`` - match anything (useful in composite matchers when you don't
+  care about a particular value)
+  * ``isNot`` - negate the matcher
+
+* Collection
+
+  * ``contains`` - exactly match the entire collection
+  * ``containsInAnyOrder`` - match the entire collection, but in any order
+  * ``empty`` - match empty collection
+  * ``hasCount`` - match number of elements against another matcher
+  * ``hasCountOf`` - match collection with given number of elements
+  * ``hasEntries`` - match dictionary with list of key-value pairs
+  * ``hasEntry`` - match dictionary containing a key-value pair
+  * ``hasItem`` - match if given item appears in the collection
+  * ``hasItems`` - match if all given items appear in the collection, in any order
+  * ``hasKey`` - match dictionary with a key
+  * ``hasValue`` - match dictionary with a value
+  * ``onlyContains`` - match if collection's items appear in given list
+
+* Decorator
+
+  * ``describedAs`` - give the matcher a custom failure description
+  * ``is`` - decorator to improve readability - see `Syntactic sugar` below
+
+The arguments for many of these matchers accept not just a matching value, but
+another matcher, so matchers can be composed for greater flexibility. For
+example, ``only_contains(endsWith(@"."))`` will match any collection where
+every item is a string ending with period.
+
+
+Syntactic sugar
+===============
+
+OCHamcrest strives to make your tests as readable as possible. For example, the
+``is`` matcher is a wrapper that doesn't add any extra behavior to the
+underlying matcher. The following assertions are all equivalent:
+
+```obj-c
+assertThat(theBiscuit, equalTo(myBiscuit));
+assertThat(theBiscuit, is(equalTo(myBiscuit)));
+assertThat(theBiscuit, is(myBiscuit));
+```
+
+The last form is allowed since ``is`` wraps non-matcher arguments with
+``equalTo``. Other matchers that take matchers as arguments provide similar
+shortcuts, wrapping non-matcher arguments in ``equalTo``.
+
+
+Writing custom matchers
+=======================
+
+OCHamcrest comes bundled with lots of useful matchers, but you'll probably find
+that you need to create your own from time to time to fit your testing needs.
+This commonly occurs when you find a fragment of code that tests the same set of
+properties over and over again (and in different tests), and you want to bundle
+the fragment into a single assertion. By writing your own matcher you'll
+eliminate code duplication and make your tests more readable!
+
+Let's write our own matcher for testing if a calendar date falls on a Saturday.
+This is the test we want to write:
+
+```obj-c
+- (void)testDateIsOnASaturday
+{
+    NSCalendarDate* date = [NSCalendarDate dateWithString:@"26 Apr 2008" calendarFormat:@"%d %b %Y"];
+    assertThat(date, is(onASaturday()))
+}
+```
+
+Here's the interface:
+
+```obj-c
+#import <OCHamcrest/HCBaseMatcher.h>
+#import <objc/objc-api.h>
+
+@interface IsGivenDayOfWeek : HCBaseMatcher
+{
+    NSInteger day;      // Sunday is 0, Saturday is 6
+}
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek;
+- (id)initWithDay:(NSInteger)dayOfWeek;
+
+@end
+
+OBJC_EXPORT id <HCMatcher> onASaturday();
+```
+
+The interface consists of two parts: a class definition, and a factory function
+(with C binding). Here's what the implementation looks like:
+
+```obj-c
+#import "IsGivenDayOfWeek.h"
+#import <OCHamcrest/HCDescription.h>
+
+@implementation IsGivenDayOfWeek
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek
+{
+    return [[self alloc] initWithDay:dayOfWeek];
+}
+
+- (id)initWithDay:(NSInteger)dayOfWeek
+{
+    self = [super init];
+    if (self)
+        day = dayOfWeek;
+    return self;
+}
+
+// Test whether item matches.
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(dayOfWeek)])
+        return NO;
+
+    return [item dayOfWeek] == day;
+}
+
+// Describe the matcher.
+- (void)describeTo:(id <HCDescription>)description
+{
+    NSString* dayAsString[] =
+        { @"Sunday", @"Monday", @"Tuesday", @"Wednesday", @"Thursday", @"Friday", @"Saturday" };
+    [[description appendText:@"calendar date falling on "] appendText:dayAsString[day]];
+}
+
+@end
+
+
+id <HCMatcher> onASaturday()
+{
+    return [IsGivenDayOfWeek isGivenDayOfWeek:6];
+}
+```
+
+For our Matcher implementation we implement the ``-matches:`` method (which
+calls ``-dayOfWeek`` after confirming that the argument has such a method) and
+the ``-describe_to:`` method (which is used to produce a failure message when a
+test fails). Here's an example of how the failure message looks:
+
+    NSCalendarDate* date = [NSCalendarDate dateWithString: @"6 April 2008" calendarFormat: @"%d %B %Y"];
+    assertThat(date, is(onASaturday()));
+
+fails with the message
+
+    Expected: is calendar date falling on Saturday, got: <06 April 2008>
+
+and Xcode shows it as a build error. Clicking the error message takes you to the
+assertion that failed.
+
+Even though the ``onASaturday`` function creates a new matcher each time it is
+called, you should not assume this is the only usage pattern for your matcher.
+Therefore you should make sure your matcher is stateless, so a single instance
+can be reused between matches.
+
+
+More resources
+==============
+
+* [Documentation](http://hamcrest.org/OCHamcrest/)
+* [Sources](https://github.com/hamcrest/OCHamcrest)
+* [Hamcrest](http://hamcrest.org)
+* [Quality Coding](http://qualitycoding.org/) - Tools, tips &
+techniques for _building quality in_ to iOS development
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.h
new file mode 100644
index 0000000..8ca264c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.h
@@ -0,0 +1,42 @@
+//
+//  OCHamcrest - HCAssertThat.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <objc/objc-api.h>
+
+@protocol HCMatcher;
+
+
+OBJC_EXPORT void HC_assertThatWithLocation(id testCase, id actual, id<HCMatcher> matcher,
+                                           const char *fileName, int lineNumber);
+
+#define HC_assertThat(actual, matcher)  \
+    HC_assertThatWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThat(actual, matcher) -
+    Asserts that actual value satisfies matcher.
+ 
+    @param actual   The object to evaluate as the actual value.
+    @param matcher  The matcher to satisfy as the expected condition.
+ 
+    @c assertThat passes the actual value to the matcher for evaluation. If the matcher is not
+    satisfied, an exception is thrown describing the mismatch.
+    
+    @c assertThat is designed to integrate well with OCUnit and other unit testing frameworks.
+    Unmet assertions are reported as test failures. In Xcode, these failures can be clicked to
+    reveal the line of the assertion.
+    
+    In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThat instead.
+    
+    @ingroup integration
+ */
+#ifdef HC_SHORTHAND
+    #define assertThat HC_assertThat
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.m
new file mode 100644
index 0000000..032e177
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCAssertThat.m
@@ -0,0 +1,89 @@
+//
+//  OCHamcrest - HCAssertThat.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCAssertThat.h"
+
+#import "HCStringDescription.h"
+#import "HCMatcher.h"
+
+
+/**
+    Create OCUnit failure
+    
+    With OCUnit's extension to NSException, this is effectively the same as
+@code
+[NSException failureInFile: [NSString stringWithUTF8String:fileName]
+                    atLine: lineNumber
+           withDescription: description]
+@endcode
+    except we use an NSInvocation so that OCUnit (SenTestingKit) does not have to be linked.
+ */
+static NSException *createOCUnitException(const char* fileName, int lineNumber, __unsafe_unretained NSString *description)
+{
+    __unsafe_unretained NSException *result = nil;
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wundeclared-selector"
+    SEL selector = @selector(failureInFile:atLine:withDescription:);
+#pragma clang diagnostic pop
+    
+    NSMethodSignature *signature = [[NSException class] methodSignatureForSelector:selector];
+    NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+    [invocation setTarget:[NSException class]];
+    [invocation setSelector:selector];
+    
+    __unsafe_unretained id fileArg = @(fileName);
+    [invocation setArgument:&fileArg atIndex:2];
+    [invocation setArgument:&lineNumber atIndex:3];
+    [invocation setArgument:&description atIndex:4];
+    
+    [invocation invoke];
+    [invocation getReturnValue:&result];
+    return result;
+}
+
+static NSException *createAssertThatFailure(const char *fileName, int lineNumber, NSString *description)
+{
+    // If the Hamcrest client has linked to OCUnit, generate an OCUnit failure.
+    if (NSClassFromString(@"SenTestCase") != Nil)
+        return createOCUnitException(fileName, lineNumber, description);
+
+    NSString *failureReason = [NSString stringWithFormat:@"%s:%d: matcher error: %@",
+                                                        fileName, lineNumber, description];
+    return [NSException exceptionWithName:@"Hamcrest Error" reason:failureReason userInfo:nil];
+}
+
+
+#pragma mark -
+
+// As of 2010-09-09, the iPhone simulator has a bug where you can't catch
+// exceptions when they are thrown across NSInvocation boundaries. (See
+// dmaclach's comment at http://openradar.appspot.com/8081169 ) So instead of
+// using an NSInvocation to call failWithException:assertThatFailure without
+// linking in OCUnit, we simply pretend it exists on NSObject.
+@interface NSObject (HCExceptionBugHack)
+- (void)failWithException:(NSException *)exception;
+@end
+
+void HC_assertThatWithLocation(id testCase, id actual, id<HCMatcher> matcher,
+                                           const char *fileName, int lineNumber)
+{
+    if (![matcher matches:actual])
+    {
+        HCStringDescription *description = [HCStringDescription stringDescription];
+        [[[description appendText:@"Expected "]
+                       appendDescriptionOf:matcher]
+                       appendText:@", but "];
+        [matcher describeMismatchOf:actual to:description];
+        
+        NSException *assertThatFailure = createAssertThatFailure(fileName, lineNumber,
+                                                                 [description description]);
+        [testCase failWithException:assertThatFailure];
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.h
new file mode 100644
index 0000000..f1c1141
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.h
@@ -0,0 +1,33 @@
+//
+//  OCHamcrest - HCBaseDescription.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+#import <OCHamcrest/HCDescription.h>
+
+
+/**
+    Base class for all HCDescription implementations.
+ 
+    @ingroup core
+ */
+@interface HCBaseDescription : NSObject <HCDescription>
+@end
+
+
+/**
+    Methods that must be provided by subclasses of HCBaseDescription.
+ */
+@interface HCBaseDescription (SubclassMustImplement)
+
+/**
+    Append the string @a str to the description.
+ */
+- (void)append:(NSString *)str;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.m
new file mode 100644
index 0000000..a29717c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseDescription.m
@@ -0,0 +1,107 @@
+//
+//  OCHamcrest - HCBaseDescription.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCBaseDescription.h"
+
+#import "HCMatcher.h"
+
+
+@implementation HCBaseDescription
+
+- (id<HCDescription>)appendText:(NSString *)text
+{
+    [self append:text];
+    return self;
+}
+
+- (id<HCDescription>)appendDescriptionOf:(id)value
+{
+    if (value == nil)
+        [self append:@"nil"];
+    else if ([value conformsToProtocol:@protocol(HCSelfDescribing)])
+        [value describeTo:self];
+    else if ([value isKindOfClass:[NSString class]])
+        [self toCSyntaxString:value];
+    else
+        [self appendObjectDescriptionOf:value];
+    
+    return self;
+}
+
+- (id<HCDescription>)appendObjectDescriptionOf:(id)value
+{
+    NSString *description = [value description];
+    NSUInteger descriptionLength = [description length];
+    if (descriptionLength == 0)
+        [self append:[NSString stringWithFormat:@"<%@: %p>", NSStringFromClass([value class]), (__bridge void *)value]];
+    else if ([description characterAtIndex:0] == '<'
+             && [description characterAtIndex:descriptionLength - 1] == '>')
+    {
+        [self append:description];
+    }
+    else
+    {
+        [self append:@"<"];
+        [self append:description];
+        [self append:@">"];
+    }
+    return self;
+}
+
+- (id<HCDescription>)appendList:(NSArray *)values
+                          start:(NSString *)start
+                      separator:(NSString *)separator
+                            end:(NSString *)end
+{
+    BOOL separate = NO;
+    
+    [self append:start];
+    for (id item in values)
+    {
+        if (separate)
+            [self append:separator];
+        [self appendDescriptionOf:item];
+        separate = YES;
+    }
+    [self append:end];
+    return self;
+}
+
+- (void)toCSyntaxString:(NSString *)unformatted
+{
+    [self append:@"\""];
+    NSUInteger length = [unformatted length];
+    for (NSUInteger index = 0; index < length; ++index)
+        [self toCSyntax:[unformatted characterAtIndex:index]];
+    [self append:@"\""];
+}
+
+- (void)toCSyntax:(unichar)ch
+{
+    switch (ch)
+    {
+        case '"':
+            [self append:@"\\\""];
+            break;
+        case '\n':
+            [self append:@"\\n"];
+            break;
+        case '\r':
+            [self append:@"\\r"];
+            break;
+        case '\t':
+            [self append:@"\\t"];
+            break;
+        default:
+            [self append:[NSString stringWithCharacters:&ch length:1]];
+            break;
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.h
new file mode 100644
index 0000000..9f9d99d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.h
@@ -0,0 +1,27 @@
+//
+//  OCHamcrest - HCBaseMatcher.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+#import <OCHamcrest/HCMatcher.h>
+
+#import <objc/objc-api.h>   // Convenience header, to provide OBJC_EXPORT
+
+
+/**
+    Base class for all HCMatcher implementations.
+
+    Most implementations can just implement @c -matches: and let
+    <code>-matches:describingMismatchTo:</code> call it. But if it makes more sense to generate the
+    mismatch description during the matching, override <code>-matches:describingMismatchTo:</code>
+    and have @c -matches: call it with a @c nil description.
+
+    @ingroup core
+ */
+@interface HCBaseMatcher : NSObject <HCMatcher>
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.m
new file mode 100644
index 0000000..5bdea67
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCBaseMatcher.m
@@ -0,0 +1,55 @@
+//
+//  OCHamcrest - HCBaseMatcher.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCBaseMatcher.h"
+
+#import "HCStringDescription.h"
+
+#define ABSTRACT_METHOD [self subclassResponsibility:_cmd]
+
+
+@implementation HCBaseMatcher
+
+- (NSString *)description
+{
+    return [HCStringDescription stringFrom:self];
+}
+
+- (BOOL)matches:(id)item
+{
+    ABSTRACT_METHOD;
+    return NO;
+}
+
+- (BOOL)matches:(id)item describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    BOOL matchResult = [self matches:item];
+    if (!matchResult)
+        [self describeMismatchOf:item to:mismatchDescription];
+    return matchResult;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [[mismatchDescription appendText:@"was "] appendDescriptionOf:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    ABSTRACT_METHOD;
+}
+
+- (void)subclassResponsibility:(SEL)command
+{
+    NSString *className = NSStringFromClass([self class]);
+    [NSException raise:NSGenericException
+                format:@"-[%@  %@] not implemented", className, NSStringFromSelector(command)];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCDescription.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCDescription.h
new file mode 100644
index 0000000..6b4cb2f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCDescription.h
@@ -0,0 +1,48 @@
+//
+//  OCHamcrest - HCDescription.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+
+/**
+    A description of an HCMatcher.
+    
+    An HCMatcher will describe itself to a description which can later be used for reporting.
+
+    @ingroup core
+ */
+@protocol HCDescription <NSObject>
+
+/**
+    Appends some plain text to the description.
+    
+    @return @c self, for chaining.
+ */
+- (id<HCDescription>)appendText:(NSString *)text;
+
+/**
+    Appends description of given value to @c self.
+ 
+    If the value implements the @ref HCSelfDescribing protocol, then it will be used.
+    
+    @return @c self, for chaining.
+ */
+- (id<HCDescription>)appendDescriptionOf:(id)value;
+
+/** 
+    Appends a list of objects to the description.
+    
+    @return @c self, for chaining.
+ */
+- (id<HCDescription>)appendList:(NSArray *)values
+                          start:(NSString *)start
+                      separator:(NSString *)separator
+                            end:(NSString *)end;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCMatcher.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCMatcher.h
new file mode 100644
index 0000000..115cbdf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCMatcher.h
@@ -0,0 +1,56 @@
+//
+//  OCHamcrest - HCMatcher.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCSelfDescribing.h"
+
+
+/**
+    A matcher over acceptable values.
+    
+    A matcher is able to describe itself to give feedback when it fails.
+    
+    HCMatcher implementations should @b not directly implement this protocol.
+    Instead, @b extend the HCBaseMatcher class, which will ensure that the HCMatcher API can grow
+    to support new features and remain compatible with all HCMatcher implementations.
+
+    @ingroup core
+ */
+@protocol HCMatcher <HCSelfDescribing>
+
+/**
+    Evaluates the matcher for argument @a item.
+
+    @param item  The object against which the matcher is evaluated.
+    @return @c YES if @a item matches, otherwise @c NO.
+ */
+- (BOOL)matches:(id)item;
+
+/**
+    Evaluates the matcher for argument @a item.
+
+    @param item                 The object against which the matcher is evaluated.
+    @param mismatchDescription  The description to be built or appended to if @a item does not match.
+    @return @c YES if @a item matches, otherwise @c NO.
+ */
+- (BOOL)matches:(id)item describingMismatchTo:(id<HCDescription>)mismatchDescription;
+
+/**
+    Generates a description of why the matcher has not accepted the item.
+    
+    The description will be part of a larger description of why a matching failed, so it should be
+    concise.
+    
+    This method assumes that @c matches:item is false, but will not check this.
+    
+    @param item                 The item that the HCMatcher has rejected.
+    @param mismatchDescription  The description to be built or appended to.
+ */
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCSelfDescribing.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCSelfDescribing.h
new file mode 100644
index 0000000..c5a8f4f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCSelfDescribing.h
@@ -0,0 +1,32 @@
+//
+//  OCHamcrest - HCSelfDescribing.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+@protocol HCDescription;
+
+
+/**
+    The ability of an object to describe itself.
+
+    @ingroup core
+ */
+@protocol HCSelfDescribing <NSObject>
+
+/**
+    Generates a description of the object.
+    
+    The description may be part of a description of a larger object of which this is just a
+    component, so it should be worded appropriately.
+    
+    @param description  The description to be built or appended to.
+ */
+- (void)describeTo:(id<HCDescription>)description;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.h
new file mode 100644
index 0000000..a8100d9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.h
@@ -0,0 +1,43 @@
+//
+//  OCHamcrest - HCStringDescription.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseDescription.h>
+
+@protocol HCSelfDescribing;
+
+
+/**
+    An HCDescription that is stored as a string.
+
+    @ingroup core
+ */
+@interface HCStringDescription : HCBaseDescription
+{
+    NSMutableString *accumulator;
+}
+
+/**
+    Returns the description of an HCSelfDescribing object as a string.
+
+    @param selfDescribing  The object to be described.
+    @return The description of the object.
+ */
++ (NSString *)stringFrom:(id<HCSelfDescribing>)selfDescribing;
+
+/**
+    Returns an empty description.
+ */
++ (HCStringDescription *)stringDescription;
+
+/**
+    Returns an initialized HCStringDescription object that is empty.
+ */
+- (id)init;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.m
new file mode 100644
index 0000000..1439cce
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/HCStringDescription.m
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCStringDescription.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCStringDescription.h"
+
+#import "HCSelfDescribing.h"
+
+
+@implementation HCStringDescription
+
++ (NSString *)stringFrom:(id<HCSelfDescribing>)selfDescribing
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    [description appendDescriptionOf:selfDescribing];
+    return [description description];
+}
+
++ (HCStringDescription *)stringDescription
+{
+    return [[HCStringDescription alloc] init];
+}
+
+- (id)init
+{
+    self = [super init];
+    if (self)
+        accumulator = [[NSMutableString alloc] init];
+    return self;
+}
+
+- (NSString *)description
+{
+    return accumulator;
+}
+
+- (void)append:(NSString *)str
+{
+    [accumulator appendString:str];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.h
new file mode 100644
index 0000000..c4e4787
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.h
@@ -0,0 +1,23 @@
+//
+//  OCHamcrest - HCCollectMatchers.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+#import <objc/objc-api.h>
+
+#import <stdarg.h>
+
+@protocol HCMatcher;
+
+
+/**
+    Returns an array of matchers from a variable-length comma-separated list terminated by @c nil.
+    
+    @ingroup helpers
+*/
+OBJC_EXPORT NSMutableArray *HCCollectMatchers(id item1, va_list args);
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.m
new file mode 100644
index 0000000..ca6a7f8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCCollectMatchers.m
@@ -0,0 +1,27 @@
+//
+//  OCHamcrest - HCCollectMatchers.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCCollectMatchers.h"
+
+#import "HCWrapInMatcher.h"
+
+
+NSMutableArray *HCCollectMatchers(id item, va_list args)
+{
+    NSMutableArray *matcherList = [NSMutableArray arrayWithObject:HCWrapInMatcher(item)];
+    
+    item = va_arg(args, id);
+    while (item != nil)
+    {
+        [matcherList addObject:HCWrapInMatcher(item)];
+        item = va_arg(args, id);
+    }
+    
+    return matcherList;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.h
new file mode 100755
index 0000000..88d6a00
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.h
@@ -0,0 +1,57 @@
+//
+//  OCHamcrest - HCInvocationMatcher.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+/**
+    Supporting class for matching a feature of an object.
+    
+    Tests whether the result of passing a given invocation to the value satisfies a given matcher.
+
+    @ingroup helpers
+ */
+@interface HCInvocationMatcher : HCBaseMatcher
+{
+    NSInvocation *invocation;
+    id<HCMatcher> subMatcher;
+    BOOL shortMismatchDescription;
+}
+
+/**
+    Determines whether a mismatch will be described in short form.
+ 
+    Default is long form, which describes the object, the name of the invocation, and the
+    sub-matcher's mismatch diagnosis. Short form only has the sub-matcher's mismatch diagnosis.
+ */
+@property (assign, nonatomic) BOOL shortMismatchDescription;
+
+/**
+    Helper method for creating an invocation.
+
+    A class is specified only so we can determine the method signature.
+ */
++ (NSInvocation *)invocationForSelector:(SEL)selector onClass:(Class)aClass;
+
+/**
+    Returns an HCInvocationMatcher object initialized with an invocation and a matcher.
+ */
+- (id)initWithInvocation:(NSInvocation *)anInvocation matching:(id<HCMatcher>)aMatcher;
+
+/**
+    Invokes stored invocation on given item and returns the result.
+ */
+- (id)invokeOn:(id)item;
+
+/**
+    Returns string representation of the invocation's selector.
+ */
+- (NSString *)stringFromSelector;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.m
new file mode 100755
index 0000000..24d7cc6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCInvocationMatcher.m
@@ -0,0 +1,85 @@
+//
+//  OCHamcrest - HCInvocationMatcher.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCInvocationMatcher.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCInvocationMatcher
+
+@synthesize shortMismatchDescription;
+
+
++ (NSInvocation *)invocationForSelector:(SEL)selector onClass:(Class)aClass
+{
+    NSMethodSignature* signature = [aClass instanceMethodSignatureForSelector:selector];
+    NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+    [invocation setSelector:selector];
+    return invocation;
+}
+
+- (id)initWithInvocation:(NSInvocation *)anInvocation matching:(id<HCMatcher>)aMatcher
+{
+    self = [super init];
+    if (self)
+    {
+        invocation = anInvocation;
+        subMatcher = aMatcher;
+    }
+    return self;
+}
+
+- (NSString *)stringFromSelector
+{
+    return NSStringFromSelector([invocation selector]);
+}
+
+- (id)invokeOn:(id)item
+{
+    __unsafe_unretained id result = nil;
+    [invocation invokeWithTarget:item];
+    [invocation getReturnValue:&result];
+    return result;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:[invocation selector]])
+        return NO;
+    
+    return [subMatcher matches:[self invokeOn:item]];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    if (![item respondsToSelector:[invocation selector]])
+        [super describeMismatchOf:item to:mismatchDescription];
+    else
+    {
+        if (!shortMismatchDescription)
+        {
+            [[[[mismatchDescription appendDescriptionOf:item]
+                                    appendText:@" "]
+                                    appendText:[self stringFromSelector]]
+                                    appendText:@" "];
+        }
+        [subMatcher describeMismatchOf:[self invokeOn:item] to:mismatchDescription];
+    }
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[description appendText:@"an object with "]
+                    appendText:[self stringFromSelector]]
+                    appendText:@" "]
+                    appendDescriptionOf:subMatcher];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.h
new file mode 100644
index 0000000..b5cd4bc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.h
@@ -0,0 +1,19 @@
+//
+//  OCHamcrest - HCRequireNonNilObject.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+#import <objc/objc-api.h>
+
+
+/**
+    Throws an NSException if @a obj is @c nil.
+    
+    @ingroup helpers
+*/
+OBJC_EXPORT void HCRequireNonNilObject(id obj);
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.m
new file mode 100644
index 0000000..0362a7e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilObject.m
@@ -0,0 +1,21 @@
+//
+//  OCHamcrest - HCRequireNonNilObject.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCRequireNonNilObject.h"
+
+
+void HCRequireNonNilObject(id obj)
+{
+    if (obj == nil)
+    {
+        @throw [NSException exceptionWithName:@"NilObject"
+                                       reason:@"Must be non-nil object"
+                                     userInfo:nil];
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.h
new file mode 100644
index 0000000..83ec932
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.h
@@ -0,0 +1,21 @@
+//
+//  OCHamcrest - HCRequireNonNilString.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+#import <objc/objc-api.h>
+
+
+/**
+    Throws an NSException if @a string is @c nil.
+    
+    @b Deprecated: Use @ref HCRequireNonNilObject instead.
+    
+    @ingroup helpers
+*/
+OBJC_EXPORT void HCRequireNonNilString(NSString *string)    __attribute__((deprecated));
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.m
new file mode 100644
index 0000000..5ae7f32
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCRequireNonNilString.m
@@ -0,0 +1,21 @@
+//
+//  OCHamcrest - HCRequireNonNilString.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCRequireNonNilString.h"
+
+
+void HCRequireNonNilString(NSString *string)
+{
+    if (string == nil)
+    {
+        @throw [NSException exceptionWithName:@"NotAString"
+                                       reason:@"Must be non-nil string"
+                                     userInfo:nil];
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.h
new file mode 100644
index 0000000..6b1c749
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.h
@@ -0,0 +1,22 @@
+//
+//  OCHamcrest - HCWrapInMatcher.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <objc/objc-api.h>
+
+@protocol HCMatcher;
+
+
+/**
+    Wraps argument in a matcher, if necessary.
+    
+    @return The argument as-if if it is already a matcher, otherwise wrapped in an @ref equalTo matcher.
+    
+    @ingroup helpers
+ */
+OBJC_EXPORT id<HCMatcher> HCWrapInMatcher(id matcherOrValue);
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.m
new file mode 100644
index 0000000..52db2aa
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Core/Helpers/HCWrapInMatcher.m
@@ -0,0 +1,24 @@
+//
+//  OCHamcrest - HCWrapInMatcher.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCWrapInMatcher.h"
+
+#import "HCIsEqual.h"
+
+
+id<HCMatcher> HCWrapInMatcher(id matcherOrValue)
+{
+    if (!matcherOrValue)
+        return nil;
+    
+    if ([matcherOrValue conformsToProtocol:@protocol(HCMatcher)])
+        return matcherOrValue;
+    else
+        return HC_equalTo(matcherOrValue);
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/CustomMatchers.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/CustomMatchers.h
new file mode 100644
index 0000000..d353093
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/CustomMatchers.h
@@ -0,0 +1,120 @@
+//
+//  OCHamcrest - CustomMatchers.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+
+/**
+    @page custom-matchers Writing custom matchers
+
+OCHamcrest comes bundled with lots of useful matchers, but you'll probably find that you need to
+create your own from time to time to fit your testing needs.
+This commonly occurs when you find a fragment of code that tests the same set of properties over
+and over again (and in different tests), and you want to bundle the fragment into a single assertion.
+By writing your own matcher you'll eliminate code duplication and make your tests more readable!
+
+Let's write our own matcher for testing if a calendar date falls on a Saturday. This is the test
+we want to write:
+
+    @code
+- (void)testDateIsOnASaturday
+{
+    NSCalendarDate* date = [NSCalendarDate dateWithString:@"26 Apr 2008" calendarFormat:@"%d %b %Y"];
+    assertThat(date, is(onASaturday()))
+}
+    @endcode
+
+    Here's the interface:
+
+    @code
+#import <OCHamcrest/HCBaseMatcher.h>
+#import <objc/objc-api.h>
+
+@interface IsGivenDayOfWeek : HCBaseMatcher
+{
+    NSInteger day;      // Sunday is 0, Saturday is 6
+}
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek;
+- (id)initWithDay:(NSInteger)dayOfWeek;
+
+@end
+
+OBJC_EXPORT id <HCMatcher> onASaturday();
+    @endcode
+
+    The interface consists of two parts: a class definition, and a factory function (with C binding).
+    Here's what the implementation looks like:
+
+    @code
+#import "IsGivenDayOfWeek.h"
+#import <OCHamcrest/HCDescription.h>
+
+@implementation IsGivenDayOfWeek
+
++ (id)isGivenDayOfWeek:(NSInteger)dayOfWeek
+{
+    return [[self alloc] initWithDay:dayOfWeek];
+}
+
+- (id)initWithDay:(NSInteger)dayOfWeek
+{
+    self = [super init];
+    if (self != nil)
+        day = dayOfWeek;
+    return self;
+}
+
+// Test whether item matches.
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(dayOfWeek)])
+        return NO;
+
+    return [item dayOfWeek] == day;
+}
+
+// Describe the matcher.
+- (void)describeTo:(id <HCDescription>)description
+{
+    NSString *dayAsString[] =
+        { @"Sunday", @"Monday", @"Tuesday", @"Wednesday", @"Thursday", @"Friday", @"Saturday" };
+    [[description appendText:@"calendar date falling on "] appendText:dayAsString[day]];
+}
+
+@end
+
+
+id <HCMatcher> onASaturday()
+{
+    return [IsGivenDayOfWeek isGivenDayOfWeek:6];
+}
+    @endcode
+
+    For our Matcher implementation we implement the @c -matches: method (which calls
+    @c -dayOfWeek after confirming that the argument has such a method) and the
+    @c -describe_to: method (which is used to produce a failure message when a test fails).
+    Here's an example of how the failure message looks:
+
+    @code
+NSCalendarDate* date = [NSCalendarDate dateWithString: @"6 April 2008"
+                                       calendarFormat: @"%d %B %Y"];
+assertThat(date, is(onASaturday()));
+    @endcode
+
+    fails with the message
+
+    @verbatim Expected: is calendar date falling on Saturday, got: <06 April 2008> @endverbatim
+
+    and Xcode shows it as a build error. Clicking the error message takes you to the assertion that
+    failed.
+
+    Even though the @c onASaturday function creates a new matcher each time it is called, you should
+    not assume this is the only usage pattern for your matcher. Therefore you should make sure your
+    matcher is stateless, so a single instance can be reused between matches.
+
+ */
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.h
new file mode 100644
index 0000000..36420ae
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.h
@@ -0,0 +1,63 @@
+//
+//  OCHamcrest - HCHasCount.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCHasCount : HCBaseMatcher
+{
+    id<HCMatcher> countMatcher;
+}
+
++ (id)hasCount:(id<HCMatcher>)matcher;
+- (id)initWithCount:(id<HCMatcher>)matcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasCount(id<HCMatcher> matcher);
+
+/**
+    hasCount(aMatcher) -
+    Matches if object's @c -count satisfies a given matcher.
+
+    @param aMatcher  The matcher to satisfy.
+    
+    This matcher invokes @c -count on the evaluated object to get the number of elements it
+    contains, passing the result to @a aMatcher for evaluation.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasCount instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasCount HC_hasCount
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasCountOf(NSUInteger count);
+
+/**
+    hasCountOf(value) -
+    Matches if object's @c -count equals a given value.
+
+    @param value  @c NSUInteger value to compare against as the expected value.
+    
+    This matcher invokes @c -count on the evaluated object to get the number of elements it
+    contains, comparing the result to @a value for equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasCountOf instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasCountOf HC_hasCountOf
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.m
new file mode 100644
index 0000000..4d04ebf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCHasCount.m
@@ -0,0 +1,70 @@
+//
+//  OCHamcrest - HCHasCount.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCHasCount.h"
+
+#import "HCDescription.h"
+#import "HCIsEqualToNumber.h"
+
+
+@implementation HCHasCount
+
++ (id)hasCount:(id<HCMatcher>)matcher
+{
+    return [[self alloc] initWithCount:matcher];
+}
+
+- (id)initWithCount:(id<HCMatcher>)matcher
+{
+    self = [super init];
+    if (self)
+        countMatcher = matcher;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(count)])
+        return NO;
+    
+    NSNumber *count = @([item count]);
+    return [countMatcher matches:count];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [mismatchDescription appendText:@"was "];
+    if ([item respondsToSelector:@selector(count)])
+    {
+        [[[mismatchDescription appendText:@"count of "]
+                               appendDescriptionOf:@([item count])]
+                               appendText:@" with "];
+    }
+    [mismatchDescription appendDescriptionOf:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a collection with count of "] appendDescriptionOf:countMatcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasCount(id<HCMatcher> matcher)
+{
+    return [HCHasCount hasCount:matcher];
+}
+
+id<HCMatcher> HC_hasCountOf(NSUInteger value)
+{
+    return HC_hasCount(HC_equalToUnsignedInteger(value));
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.h
new file mode 100644
index 0000000..9c4ecb1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.h
@@ -0,0 +1,69 @@
+//
+//  OCHamcrest - HCIsCollectionContaining.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsCollectionContaining : HCBaseMatcher
+{
+    id<HCMatcher> elementMatcher;
+}
+
++ (id)isCollectionContaining:(id<HCMatcher>)anElementMatcher;
+- (id)initWithMatcher:(id<HCMatcher>)anElementMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasItem(id itemMatch);
+
+/**
+    hasItem(aMatcher) -
+    Matches if any element of collection satisfies a given matcher.
+    
+    @param aMatcher  The matcher to satisfy, or an expected value for @ref equalTo matching.
+    
+    This matcher iterates the evaluated collection, searching for any element that satisfies a
+    given matcher. If a matching element is found, @c hasItem is satisfied.
+    
+    If the @a aMatcher argument is not a matcher, it is implicitly wrapped in an @ref equalTo
+    matcher to check for equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasItem instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasItem HC_hasItem
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasItems(id itemMatch, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    hasItems(firstMatcher, ...) -
+    Matches if all of the given matchers are satisfied by any elements of the collection.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    This matcher iterates the given matchers, searching for any elements in the evaluated collection
+    that satisfy them. If each matcher is satisfied, then @c hasItems is satisfied.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c hasItems instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasItems HC_hasItems
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.m
new file mode 100644
index 0000000..9610b95
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContaining.m
@@ -0,0 +1,76 @@
+//
+//  OCHamcrest - HCIsCollectionContaining.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsCollectionContaining.h"
+
+#import "HCAllOf.h"
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsCollectionContaining
+
++ (id)isCollectionContaining:(id<HCMatcher>)anElementMatcher
+{
+    return [[self alloc] initWithMatcher:anElementMatcher];
+}
+
+- (id)initWithMatcher:(id<HCMatcher>)anElementMatcher
+{
+    self = [super init];
+    if (self)
+        elementMatcher = anElementMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)collection
+{
+    if (![collection conformsToProtocol:@protocol(NSFastEnumeration)])
+        return NO;
+        
+    for (id item in collection)
+        if ([elementMatcher matches:item])
+            return YES;
+    return NO;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a collection containing "]
+                  appendDescriptionOf:elementMatcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasItem(id itemMatch)
+{
+    HCRequireNonNilObject(itemMatch);
+    return [HCIsCollectionContaining isCollectionContaining:HCWrapInMatcher(itemMatch)];
+}
+
+id<HCMatcher> HC_hasItems(id itemMatch, ...)
+{
+    NSMutableArray *matchers = [NSMutableArray arrayWithObject:HC_hasItem(itemMatch)];
+    
+    va_list args;
+    va_start(args, itemMatch);
+    itemMatch = va_arg(args, id);
+    while (itemMatch != nil)
+    {
+        [matchers addObject:HC_hasItem(itemMatch)];
+        itemMatch = va_arg(args, id);
+    }
+    va_end(args);
+    
+    return [HCAllOf allOf:matchers];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.h
new file mode 100644
index 0000000..6c6d92b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.h
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCIsCollectionContainingInAnyOrder.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsCollectionContainingInAnyOrder : HCBaseMatcher
+{
+    NSMutableArray *matchers;
+}
+
++ (id)isCollectionContainingInAnyOrder:(NSMutableArray *)itemMatchers;
+- (id)initWithMatchers:(NSMutableArray *)itemMatchers;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_containsInAnyOrder(id itemMatch, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    containsInAnyOrder(firstMatcher, ...) -
+    Matches if collection's elements, in any order, satisfy a given list of matchers.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    This matcher iterates the evaluated collection, seeing if each element satisfies any of the
+    given matchers. The matchers are tried from left to right, and when a satisfied matcher is
+    found, it is no longer a candidate for the remaining elements. If a one-to-one correspondence is 
+    established between elements and matchers, @c containsInAnyOrder is satisfied.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_containsInAnyOrder instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define containsInAnyOrder HC_containsInAnyOrder
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.m
new file mode 100644
index 0000000..c56b98e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInAnyOrder.m
@@ -0,0 +1,142 @@
+//
+//  OCHamcrest - HCIsCollectionContainingInAnyOrder.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsCollectionContainingInAnyOrder.h"
+
+#import "HCAllOf.h"
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@interface HCMatchingInAnyOrder : NSObject
+{
+    NSMutableArray *matchers;
+    id<HCDescription, NSObject> mismatchDescription;
+}
+@end
+
+
+@implementation HCMatchingInAnyOrder
+
+- (id)initWithMatchers:(NSMutableArray *)itemMatchers
+   mismatchDescription:(id<HCDescription, NSObject>)description
+{
+    self = [super init];
+    if (self)
+    {
+        matchers = itemMatchers;
+        mismatchDescription = description;        
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    NSUInteger index = 0;
+    for (id<HCMatcher> matcher in matchers)
+    {
+        if ([matcher matches:item])
+        {
+            [matchers removeObjectAtIndex:index];
+            return YES;
+        }
+        ++index;
+    }
+    [[mismatchDescription appendText:@"not matched: "] appendDescriptionOf:item];
+    return NO;
+}
+
+- (BOOL)isFinishedWith:(NSArray *)collection
+{
+    if ([matchers count] == 0)
+        return YES;
+    
+    [[[[mismatchDescription appendText:@"no item matches: "]
+                            appendList:matchers start:@"" separator:@", " end:@""]
+                            appendText:@" in "]
+                            appendList:collection start:@"[" separator:@", " end:@"]"];
+    return NO;
+}
+
+@end
+
+
+#pragma mark -
+
+@implementation HCIsCollectionContainingInAnyOrder
+
++ (id)isCollectionContainingInAnyOrder:(NSMutableArray *)itemMatchers
+{
+    return [[self alloc] initWithMatchers:itemMatchers];
+}
+
+- (id)initWithMatchers:(NSMutableArray *)itemMatchers
+{
+    self = [super init];
+    if (self)
+        matchers = itemMatchers;
+    return self;
+}
+
+- (BOOL)matches:(id)collection
+{
+    return [self matches:collection describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)collection describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    if (![collection conformsToProtocol:@protocol(NSFastEnumeration)])
+    {
+        [super describeMismatchOf:collection to:mismatchDescription];
+        return NO;
+    }
+    
+    HCMatchingInAnyOrder *matchSequence =
+        [[HCMatchingInAnyOrder alloc] initWithMatchers:matchers 
+                                   mismatchDescription:mismatchDescription];
+    for (id item in collection)
+        if (![matchSequence matches:item])
+            return NO;
+    
+    return [matchSequence isFinishedWith:collection];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[description appendText:@"a collection over "]
+                   appendList:matchers start:@"[" separator:@", " end:@"]"]
+                   appendText:@" in any order"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_containsInAnyOrder(id itemMatch, ...)
+{
+    NSMutableArray *matchers = [NSMutableArray arrayWithObject:HCWrapInMatcher(itemMatch)];
+    
+    va_list args;
+    va_start(args, itemMatch);
+    itemMatch = va_arg(args, id);
+    while (itemMatch != nil)
+    {
+        [matchers addObject:HCWrapInMatcher(itemMatch)];
+        itemMatch = va_arg(args, id);
+    }
+    va_end(args);
+    
+    return [HCIsCollectionContainingInAnyOrder isCollectionContainingInAnyOrder:matchers];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.h
new file mode 100644
index 0000000..ecd8bb9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCIsCollectionContainingInOrder.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsCollectionContainingInOrder : HCBaseMatcher
+{
+    NSArray *matchers;
+}
+
++ (id)isCollectionContainingInOrder:(NSArray *)itemMatchers;
+- (id)initWithMatchers:(NSArray *)itemMatchers;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_contains(id itemMatch, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    contains(firstMatcher, ...) -
+    Matches if collection's elements satisfy a given list of matchers, in order.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    This matcher iterates the evaluated collection and a given list of matchers, seeing if each
+    element satisfies its corresponding matcher.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_contains instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define contains HC_contains
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.m
new file mode 100644
index 0000000..a544d40
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionContainingInOrder.m
@@ -0,0 +1,161 @@
+//
+//  OCHamcrest - HCIsCollectionContainingInOrder.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsCollectionContainingInOrder.h"
+
+#import "HCAllOf.h"
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@interface HCMatchSequence : NSObject
+{
+    NSArray *matchers;
+    id<HCDescription, NSObject> mismatchDescription;
+    NSUInteger nextMatchIndex;
+}
+
+- (BOOL)isMatched:(id)item;
+- (BOOL)isNotSurplus:(id)item;
+- (void)describeMismatchOfMatcher:(id<HCMatcher>)matcher item:(id)item;
+
+@end
+
+@implementation HCMatchSequence
+
+- (id)initWithMatchers:(NSArray *)itemMatchers mismatchDescription:(id<HCDescription, NSObject>)description
+{
+    self = [super init];
+    if (self)
+    {
+        matchers = itemMatchers;
+        mismatchDescription = description;        
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [self isNotSurplus:item] && [self isMatched:item];
+}
+
+- (BOOL)isFinished
+{
+    if (nextMatchIndex < [matchers count])
+    {
+        [[mismatchDescription appendText:@"no item matched: "]
+                              appendDescriptionOf:matchers[nextMatchIndex]];
+        return NO;
+    }
+    return YES;
+}
+
+- (BOOL)isMatched:(id)item
+{
+    id<HCMatcher> matcher = matchers[nextMatchIndex];
+    if (![matcher matches:item])
+    {
+        [self describeMismatchOfMatcher:matcher item:item];
+        return NO;
+    }
+    ++nextMatchIndex;
+    return YES;
+}
+
+- (BOOL)isNotSurplus:(id)item
+{
+    if ([matchers count] <= nextMatchIndex)
+    {
+        [[mismatchDescription appendText:@"not matched: "] appendDescriptionOf:item];
+        return NO;
+    }
+    return YES;
+}
+
+- (void)describeMismatchOfMatcher:(id<HCMatcher>)matcher item:(id)item
+{
+    [mismatchDescription appendText:[NSString stringWithFormat:@"item %zi: ", nextMatchIndex]];
+    [matcher describeMismatchOf:item to:mismatchDescription];
+}
+
+@end
+
+
+#pragma mark -
+
+@implementation HCIsCollectionContainingInOrder
+
++ (id)isCollectionContainingInOrder:(NSArray *)itemMatchers
+{
+    return [[self alloc] initWithMatchers:itemMatchers];
+}
+
+- (id)initWithMatchers:(NSArray *)itemMatchers
+{
+    self = [super init];
+    if (self)
+        matchers = itemMatchers;
+    return self;
+}
+
+- (BOOL)matches:(id)collection
+{
+    return [self matches:collection describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)collection describingMismatchTo:(id<HCDescription, NSObject>)mismatchDescription
+{
+    if (![collection conformsToProtocol:@protocol(NSFastEnumeration)])
+    {
+        [super describeMismatchOf:collection to:mismatchDescription];
+        return NO;
+    }
+    
+    HCMatchSequence *matchSequence =
+        [[HCMatchSequence alloc] initWithMatchers:matchers
+                              mismatchDescription:mismatchDescription];
+    for (id item in collection)
+        if (![matchSequence matches:item])
+            return NO;
+    
+    return [matchSequence isFinished];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a collection containing "]
+                    appendList:matchers start:@"[" separator:@", " end:@"]"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_contains(id itemMatch, ...)
+{
+    NSMutableArray *matchers = [NSMutableArray arrayWithObject:HCWrapInMatcher(itemMatch)];
+    
+    va_list args;
+    va_start(args, itemMatch);
+    itemMatch = va_arg(args, id);
+    while (itemMatch != nil)
+    {
+        [matchers addObject:HCWrapInMatcher(itemMatch)];
+        itemMatch = va_arg(args, id);
+    }
+    va_end(args);
+    
+    return [HCIsCollectionContainingInOrder isCollectionContainingInOrder:matchers];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.h
new file mode 100644
index 0000000..717959a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.h
@@ -0,0 +1,52 @@
+//
+//  OCHamcrest - HCIsCollectionOnlyContaining.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsCollectionOnlyContaining : HCBaseMatcher
+{
+    id<HCMatcher> matcher;
+}
+
++ (id)isCollectionOnlyContaining:(id<HCMatcher>)aMatcher;
+- (id)initWithMatcher:(id<HCMatcher>)aMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_onlyContains(id itemMatch, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    onlyContains(firstMatcher, ...) -
+    Matches if each element of collection satisfies any of the given matchers.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    This matcher iterates the evaluated collection, confirming whether each element satisfies any of
+    the given matchers.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+
+    Example:
+    
+    @par
+    @ref onlyContains(startsWith(@"Jo"), nil)
+    
+    will match a collection [@"Jon", @"John", @"Johann"].
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_onlyContains instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define onlyContains HC_onlyContains
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.m
new file mode 100644
index 0000000..1c4e42d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsCollectionOnlyContaining.m
@@ -0,0 +1,72 @@
+//
+//  OCHamcrest - HCIsCollectionOnlyContaining.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsCollectionOnlyContaining.h"
+
+#import "HCAnyOf.h"
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsCollectionOnlyContaining
+
++ (id)isCollectionOnlyContaining:(id<HCMatcher>)aMatcher
+{
+    return [[self alloc] initWithMatcher:aMatcher];
+}
+
+- (id)initWithMatcher:(id<HCMatcher>)aMatcher
+{
+    self = [super init];
+    if (self)
+        matcher = aMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)collection
+{
+    if (![collection conformsToProtocol:@protocol(NSFastEnumeration)])
+        return NO;
+    
+    if ([collection count] == 0)
+        return NO;
+    
+    for (id item in collection)
+        if (![matcher matches:item])
+            return NO;
+    return YES;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a collection containing items matching "]
+                  appendDescriptionOf:matcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_onlyContains(id itemMatch, ...)
+{
+    NSMutableArray *matchers = [NSMutableArray arrayWithObject:HCWrapInMatcher(itemMatch)];
+    
+    va_list args;
+    va_start(args, itemMatch);
+    itemMatch = va_arg(args, id);
+    while (itemMatch != nil)
+    {
+        [matchers addObject:HCWrapInMatcher(itemMatch)];
+        itemMatch = va_arg(args, id);
+    }
+    va_end(args);
+    
+    return [HCIsCollectionOnlyContaining isCollectionOnlyContaining:[HCAnyOf anyOf:matchers]];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.h
new file mode 100644
index 0000000..bcd65e0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.h
@@ -0,0 +1,54 @@
+//
+//  OCHamcrest - HCIsDictionaryContaining.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsDictionaryContaining : HCBaseMatcher
+{
+    id<HCMatcher> keyMatcher;
+    id<HCMatcher> valueMatcher;
+}
+
++ (id)isDictionaryContainingKey:(id<HCMatcher>)aKeyMatcher
+                          value:(id<HCMatcher>)aValueMatcher;
+
+- (id)initWithKeyMatcher:(id<HCMatcher>)aKeyMatcher
+            valueMatcher:(id<HCMatcher>)aValueMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasEntry(id keyMatch, id valueMatch);
+
+/**
+    hasEntry(keyMatcher, valueMatcher) -
+    Matches if dictionary contains key-value entry satisfying a given pair of matchers.
+    
+    @param keyMatcher    The matcher to satisfy for the key, or an expected value for @ref equalTo matching.
+    @param valueMatcher  The matcher to satisfy for the value, or an expected value for @ref equalTo matching.
+    
+    This matcher iterates the evaluated dictionary, searching for any key-value entry that satisfies
+    @a keyMatcher and @a valueMatcher. If a matching entry is found, @c hasEntry is satisfied.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    Examples:
+    @li @ref hasEntry(@ref equalTo(@"foo"), equalTo(@"bar"))
+    @li @ref hasEntry(@"foo", @"bar")
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasEntry instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasEntry HC_hasEntry
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.m
new file mode 100644
index 0000000..ea35bb3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContaining.m
@@ -0,0 +1,66 @@
+//
+//  OCHamcrest - HCIsDictionaryContaining.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsDictionaryContaining.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsDictionaryContaining
+
++ (id)isDictionaryContainingKey:(id<HCMatcher>)aKeyMatcher
+                          value:(id<HCMatcher>)aValueMatcher
+{
+    return [[self alloc] initWithKeyMatcher:aKeyMatcher valueMatcher:aValueMatcher];
+}
+
+- (id)initWithKeyMatcher:(id<HCMatcher>)aKeyMatcher
+            valueMatcher:(id<HCMatcher>)aValueMatcher
+{
+    self = [super init];
+    if (self)
+    {
+        keyMatcher = aKeyMatcher;
+        valueMatcher = aValueMatcher;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)dict
+{
+    if ([dict isKindOfClass:[NSDictionary class]])
+        for (id oneKey in dict)
+            if ([keyMatcher matches:oneKey] && [valueMatcher matches:dict[oneKey]])
+                return YES;
+    return NO;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[[description appendText:@"a dictionary containing { "]
+                     appendDescriptionOf:keyMatcher]
+                     appendText:@" = "]
+                     appendDescriptionOf:valueMatcher]
+                     appendText:@"; }"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasEntry(id keyMatch, id valueMatch)
+{
+    HCRequireNonNilObject(keyMatch);
+    HCRequireNonNilObject(valueMatch);
+    return [HCIsDictionaryContaining isDictionaryContainingKey:HCWrapInMatcher(keyMatch)
+                                                         value:HCWrapInMatcher(valueMatch)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.h
new file mode 100644
index 0000000..2710e23
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.h
@@ -0,0 +1,53 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingEntries.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsDictionaryContainingEntries : HCBaseMatcher
+{
+    NSArray *keys;
+    NSArray *valueMatchers;
+}
+
++ (id)isDictionaryContainingKeys:(NSArray *)theKeys
+                   valueMatchers:(NSArray *)theValueMatchers;
+
+- (id)initWithKeys:(NSArray *)theKeys
+     valueMatchers:(NSArray *)theValueMatchers;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasEntries(id keysAndValueMatch, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    hasEntries(firstKey, valueMatcher, ...) -
+    Matches if dictionary contains entries satisfying a list of alternating keys and their value
+    matchers.
+    
+    @param firstKey  A key (not a matcher) to look up.
+    @param valueMatcher,...  The matcher to satisfy for the value, or an expected value for @ref equalTo matching.
+    
+    Note that the keys must be actual keys, not matchers. Any value argument that is not a matcher
+    is implicitly wrapped in an @ref equalTo matcher to check for equality. The list must end with
+    @c nil.
+
+    Examples:
+    @li @ref hasEntries(@"first", equalTo(@"Jon"), @"last", equalTo(@"Reid"), nil)
+    @li @ref hasEntries(@"first", @"Jon", @"last", @"Reid", nil)
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasEntry instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasEntries HC_hasEntries
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.m
new file mode 100644
index 0000000..51da37f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingEntries.m
@@ -0,0 +1,141 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingEntries.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsDictionaryContainingEntries.h"
+
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsDictionaryContainingEntries
+
++ (id)isDictionaryContainingKeys:(NSArray *)theKeys
+                   valueMatchers:(NSArray *)theValueMatchers
+{
+    return [[self alloc] initWithKeys:theKeys valueMatchers:theValueMatchers];
+}
+
+- (id)initWithKeys:(NSArray *)theKeys
+     valueMatchers:(NSArray *)theValueMatchers
+{
+    self = [super init];
+    if (self)
+    {
+        keys = theKeys;
+        valueMatchers = theValueMatchers;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [self matches:item describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)dict describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    if (![dict isKindOfClass:[NSDictionary class]])
+    {
+        [super describeMismatchOf:dict to:mismatchDescription];
+        return NO;
+    }
+    
+    NSUInteger count = [keys count];
+    for (NSUInteger index = 0; index < count; ++index)
+    {
+        id key = keys[index];
+        if (dict[key] == nil)
+        {
+            [[[[mismatchDescription appendText:@"no "]
+                                    appendDescriptionOf:key]
+                                    appendText:@" key in "]
+                                    appendDescriptionOf:dict];
+            return NO;
+        }
+
+        id valueMatcher = valueMatchers[index];
+        id actualValue = dict[key];
+        
+        if (![valueMatcher matches:actualValue])
+        {
+            [[[[mismatchDescription appendText:@"value for "]
+                                    appendDescriptionOf:key]
+                                    appendText:@" was "]
+                                    appendDescriptionOf:actualValue];
+            return NO;
+        }
+    }    
+    
+    return YES;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeKeyValueAtIndex:(NSUInteger)index to:(id<HCDescription>)description
+{
+    [[[[description appendDescriptionOf:keys[index]]
+                    appendText:@" = "]
+                    appendDescriptionOf:valueMatchers[index]]
+                    appendText:@"; "];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"a dictionary containing { "];
+    NSUInteger count = [keys count];
+    NSUInteger index = 0;
+    for (; index < count - 1; ++index)
+        [self describeKeyValueAtIndex:index to:description];
+    [self describeKeyValueAtIndex:index to:description];
+    [description appendText:@"}"];
+}
+
+@end
+
+
+#pragma mark -
+
+static void requirePairedObject(id obj)
+{
+    if (obj == nil)
+    {
+        @throw [NSException exceptionWithName:@"NilObject"
+                                       reason:@"HC_hasEntries keys and value matchers must be paired"
+                                     userInfo:nil];
+    }
+}
+
+
+id<HCMatcher> HC_hasEntries(id keysAndValueMatch, ...)
+{
+    va_list args;
+    va_start(args, keysAndValueMatch);
+    
+    id key = keysAndValueMatch;
+    id valueMatcher = va_arg(args, id);
+    requirePairedObject(valueMatcher);
+    NSMutableArray *keys = [NSMutableArray arrayWithObject:key];
+    NSMutableArray *valueMatchers = [NSMutableArray arrayWithObject:HCWrapInMatcher(valueMatcher)];
+
+    key = va_arg(args, id);
+    while (key != nil)
+    {
+        [keys addObject:key];
+        valueMatcher = va_arg(args, id);
+        requirePairedObject(valueMatcher);
+        [valueMatchers addObject:HCWrapInMatcher(valueMatcher)];
+        key = va_arg(args, id);
+    }
+    
+    return [HCIsDictionaryContainingEntries isDictionaryContainingKeys:keys
+                                                         valueMatchers:valueMatchers];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.h
new file mode 100644
index 0000000..4283902
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.h
@@ -0,0 +1,49 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingKey.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsDictionaryContainingKey : HCBaseMatcher
+{
+    id<HCMatcher> keyMatcher;
+}
+
++ (id)isDictionaryContainingKey:(id<HCMatcher>)theKeyMatcher;
+- (id)initWithKeyMatcher:(id<HCMatcher>)theKeyMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasKey(id keyMatch);
+
+/**
+    hasKey(keyMatcher) -
+    Matches if dictionary contains an entry whose key satisfies a given matcher.
+    
+    @param keyMatcher  The matcher to satisfy for the key, or an expected value for @ref equalTo matching.
+    
+    This matcher iterates the evaluated dictionary, searching for any key-value entry whose key
+    satisfies the given matcher. If a matching entry is found, @c hasKey is satisfied.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasKey instead.)
+
+    Examples:
+    @li @ref hasEntry(equalTo(@"foo"))
+    @li @ref hasEntry(@"foo")
+    
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasKey HC_hasKey
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.m
new file mode 100644
index 0000000..982e06f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingKey.m
@@ -0,0 +1,56 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingKey.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsDictionaryContainingKey.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsDictionaryContainingKey
+
++ (id)isDictionaryContainingKey:(id<HCMatcher>)theKeyMatcher
+{
+    return [[self alloc] initWithKeyMatcher:theKeyMatcher];
+}
+
+- (id)initWithKeyMatcher:(id<HCMatcher>)theKeyMatcher
+{
+    self = [super init];
+    if (self)
+        keyMatcher = theKeyMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)dict
+{
+    if ([dict isKindOfClass:[NSDictionary class]])
+        for (id oneKey in dict)
+            if ([keyMatcher matches:oneKey])
+                return YES;
+    return NO;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a dictionary containing key "]
+                  appendDescriptionOf:keyMatcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasKey(id keyMatch)
+{
+    HCRequireNonNilObject(keyMatch);
+    return [HCIsDictionaryContainingKey isDictionaryContainingKey:HCWrapInMatcher(keyMatch)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.h
new file mode 100644
index 0000000..9947378
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.h
@@ -0,0 +1,49 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingValue.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsDictionaryContainingValue : HCBaseMatcher
+{
+    id<HCMatcher> valueMatcher;
+}
+
++ (id)isDictionaryContainingValue:(id<HCMatcher>)theValueMatcher;
+- (id)initWithValueMatcher:(id<HCMatcher>)theValueMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasValue(id valueMatch);
+
+/**
+    hasValue(valueMatcher) -
+    Matches if dictionary contains an entry whose value satisfies a given matcher.
+    
+    @param valueMatcher  The matcher to satisfy for the value, or an expected value for @ref equalTo matching.
+    
+    This matcher iterates the evaluated dictionary, searching for any key-value entry whose value
+    satisfies the given matcher. If a matching entry is found, @c hasValue is satisfied.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    Examples:
+    @li @ref hasValue(equalTo(@"bar"))
+    @li @ref hasValue(@"bar")
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasValue instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasValue HC_hasValue
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.m
new file mode 100644
index 0000000..ec4bbdb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsDictionaryContainingValue.m
@@ -0,0 +1,56 @@
+//
+//  OCHamcrest - HCIsDictionaryContainingValue.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsDictionaryContainingValue.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsDictionaryContainingValue
+
++ (id)isDictionaryContainingValue:(id<HCMatcher>)theValueMatcher
+{
+    return [[self alloc] initWithValueMatcher:theValueMatcher];
+}
+
+- (id)initWithValueMatcher:(id<HCMatcher>)theValueMatcher
+{
+    self = [super init];
+    if (self)
+        valueMatcher = theValueMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)dict
+{
+    if ([dict respondsToSelector:@selector(allValues)])
+        for (id oneValue in [dict allValues])
+            if ([valueMatcher matches:oneValue])
+                return YES;
+    return NO;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"a dictionary containing value "]
+                  appendDescriptionOf:valueMatcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasValue(id valueMatch)
+{
+    HCRequireNonNilObject(valueMatch);
+    return [HCIsDictionaryContainingValue isDictionaryContainingValue:HCWrapInMatcher(valueMatch)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.h
new file mode 100644
index 0000000..1afb574
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.h
@@ -0,0 +1,36 @@
+//
+//  OCHamcrest - HCIsEmptyCollection.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCHasCount.h>
+
+
+@interface HCIsEmptyCollection : HCHasCount
+
++ (id)isEmptyCollection;
+- (id)init;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_empty(void);
+
+/**
+    Matches empty collection.
+
+    This matcher invokes @c -count on the evaluated object to determine if the number of elements it
+    contains is zero.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_empty instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define empty() HC_empty()
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.m
new file mode 100644
index 0000000..9568d79
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsEmptyCollection.m
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCIsEmptyCollection.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsEmptyCollection.h"
+
+#import "HCDescription.h"
+#import "HCIsEqualToNumber.h"
+
+
+@implementation HCIsEmptyCollection
+
++ (id)isEmptyCollection
+{
+    return [[self alloc] init];
+}
+
+- (id)init
+{
+    self = [super initWithCount:HC_equalToUnsignedInteger(0)];
+    return self;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [[mismatchDescription appendText:@"was "] appendDescriptionOf:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"empty collection"];
+}
+
+@end
+
+
+#pragma mark -
+
+OBJC_EXPORT id<HCMatcher> HC_empty()
+{
+    return [HCIsEmptyCollection isEmptyCollection];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.h
new file mode 100644
index 0000000..138ebd0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.h
@@ -0,0 +1,42 @@
+//
+//  OCHamcrest - HCIsIn.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsIn : HCBaseMatcher
+{
+    id collection;
+}
+
++ (id)isInCollection:(id)aCollection;
+- (id)initWithCollection:(id)aCollection;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_isIn(id aCollection);
+
+/**
+    isIn(aCollection) -
+    Matches if evaluated object is present in a given collection.
+
+    @param aCollection  The collection to search.
+    
+    This matcher invokes @c -containsObject: on @a aCollection to determine if the evaluated object
+    is an element of the collection.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_isIn instead.)
+
+    @ingroup collection_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define isIn HC_isIn
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.m
new file mode 100644
index 0000000..a8b4523
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Collection/HCIsIn.m
@@ -0,0 +1,56 @@
+//
+//  OCHamcrest - HCIsIn.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsIn.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCIsIn
+
++ (id)isInCollection:(id)aCollection
+{
+    return [[self alloc] initWithCollection:aCollection];
+}
+
+- (id)initWithCollection:(id)aCollection
+{
+    if (![aCollection respondsToSelector:@selector(containsObject:)])
+    {
+        @throw [NSException exceptionWithName:@"NotAContainer"
+                                       reason:@"Object must respond to -containsObject:"
+                                     userInfo:nil];
+    }
+    
+    self = [super init];
+    if (self)
+        collection = aCollection;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [collection containsObject:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"one of "];
+    [description appendList:collection start:@"{" separator:@", " end:@"}"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_isIn(id aCollection)
+{
+    return [HCIsIn isInCollection:aCollection];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.h
new file mode 100644
index 0000000..dc5fc85
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.h
@@ -0,0 +1,50 @@
+//
+//  OCHamcrest - HCDescribedAs.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCDescribedAs : HCBaseMatcher
+{
+    NSString *descriptionTemplate;
+    id<HCMatcher> matcher;
+    NSArray *values;
+}
+
++ (id)describedAs:(NSString *)description
+       forMatcher:(id<HCMatcher>)aMatcher
+       overValues:(NSArray *)templateValues;
+
+- (id)initWithDescription:(NSString *)description
+               forMatcher:(id<HCMatcher>)aMatcher
+               overValues:(NSArray *)templateValues;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_describedAs(NSString *description, id<HCMatcher> matcher, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    describedAs(description, matcher, ...) -
+    Adds custom failure description to a given matcher.
+    
+    @param description  Overrides the matcher's description.
+    @param matcher,...  The matcher to satisfy, followed by a comma-separated list of substitution values ending with @c nil.
+    
+    The description may contain substitution placeholders \%0, \%1, etc. These will be replaced by
+    any values that follow the matcher.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_describedAs instead.)
+    
+    @ingroup decorator_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define describedAs HC_describedAs
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.m
new file mode 100644
index 0000000..99da2c1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCDescribedAs.m
@@ -0,0 +1,130 @@
+//
+//  OCHamcrest - HCDescribedAs.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCDescribedAs.h"
+
+#import "HCDescription.h"
+
+
+typedef struct
+{
+    int first;
+    __unsafe_unretained NSString *second;
+} HCPairIntNSString;
+
+
+/**
+    Splits string into decimal number (-1 if not found) and remaining string.
+ */
+static HCPairIntNSString separate(NSString *component)
+{
+    int index = 0;
+    bool gotIndex = false;
+    
+    NSUInteger length = [component length];
+    NSUInteger charIndex;
+    for (charIndex = 0; charIndex < length; ++charIndex)
+    {
+        unichar character = [component characterAtIndex:charIndex];
+        if (!isdigit(character))
+            break;
+        index = index * 10 + character - '0';
+        gotIndex = true;
+    }
+    
+    if (!gotIndex)
+        return (HCPairIntNSString){ -1, component };
+    else
+        return (HCPairIntNSString){ index, [component substringFromIndex:charIndex] };
+}
+
+
+#pragma mark -
+
+@implementation HCDescribedAs
+
++ (id)describedAs:(NSString *)description
+       forMatcher:(id<HCMatcher>)aMatcher
+       overValues:(NSArray *)templateValues
+{
+    return [[self alloc] initWithDescription:description
+                                  forMatcher:aMatcher
+                                  overValues:templateValues];
+}
+
+- (id)initWithDescription:(NSString *)description
+                forMatcher:(id<HCMatcher>)aMatcher
+                overValues:(NSArray *)templateValues
+{
+    self = [super init];
+    if (self)
+    {
+        descriptionTemplate = [description copy];
+        matcher = aMatcher;
+        values = templateValues;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [matcher matches:item];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [matcher describeMismatchOf:item to:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    NSArray *components = [descriptionTemplate componentsSeparatedByString:@"%"];
+    bool firstTime = true;
+    for (NSString *oneComponent in components)
+    {
+        if (firstTime)
+        {
+            firstTime = false;
+            [description appendText:oneComponent];
+        }
+        else
+        {
+            HCPairIntNSString parseIndex = separate(oneComponent);
+            if (parseIndex.first < 0)
+                [[description appendText:@"%"] appendText:oneComponent];
+            else
+            {
+                [description appendDescriptionOf:values[(NSUInteger)parseIndex.first]];
+                [description appendText:parseIndex.second];
+            }
+        }
+    }
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_describedAs(NSString *description, id<HCMatcher> matcher, ...)
+{
+    NSMutableArray *valueList = [NSMutableArray array];
+    
+    va_list args;
+    va_start(args, matcher);
+    id value = va_arg(args, id);
+    while (value != nil)
+    {
+        [valueList addObject:value];
+        value = va_arg(args, id);
+    }
+    va_end(args);
+    
+    return [HCDescribedAs describedAs:description forMatcher:matcher overValues:valueList];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.h
new file mode 100644
index 0000000..416ccfa
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.h
@@ -0,0 +1,54 @@
+//
+//  OCHamcrest - HCIs.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIs : HCBaseMatcher
+{
+    id<HCMatcher> matcher;
+}
+
++ (id)is:(id<HCMatcher>)aMatcher;
+- (id)initWithMatcher:(id<HCMatcher>)aMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_is(id match);
+
+/**
+    is(aMatcher) -
+    Decorates another matcher, or provides a shortcut to the frequently used @ref is(equalTo(x)).
+
+    @param aMatcher  The matcher to satisfy, or an expected value for @ref equalTo matching.
+
+    This matcher compares the evaluated object to the given matcher.
+    
+    If the @a aMatcher argument is a matcher, its behavior is retained, but the test may be more
+    expressive. For example:
+    @li <code>@ref assertThatInt(value, equalToInt(5))</code>
+    @li <code>@ref assertThatInt(value, is(equalToInt(5)))</code>
+
+    If the @a aMatcher argument is not a matcher, it is wrapped in an @ref equalTo matcher. This
+    makes the following statements equivalent:
+    @li <code>@ref assertThat(cheese, equalTo(smelly))</code>
+    @li <code>@ref assertThat(cheese, is(equalTo(smelly)))</code>
+    @li <code>@ref assertThat(cheese, is(smelly))</code>
+
+    Choose the style that makes your expression most readable. This will vary depending on context.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_is instead.)
+
+    @ingroup decorator_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define is HC_is
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.m
new file mode 100644
index 0000000..97c952b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Decorator/HCIs.m
@@ -0,0 +1,54 @@
+//
+//  OCHamcrest - HCIs.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIs.h"
+
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIs
+
++ (id)is:(id<HCMatcher>)aMatcher
+{
+    return [[self alloc] initWithMatcher:aMatcher];
+}
+
+- (id)initWithMatcher:(id<HCMatcher>)aMatcher
+{
+    self = [super init];
+    if (self)
+        matcher = aMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [matcher matches:item];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [matcher describeMismatchOf:item to:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendDescriptionOf:matcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_is(id match)
+{
+    return [HCIs is:HCWrapInMatcher(match)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.h
new file mode 100644
index 0000000..6888577
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCAllOf.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCAllOf : HCBaseMatcher
+{
+    NSArray *matchers;
+}
+
++ (id)allOf:(NSArray *)theMatchers;
+- (id)initWithMatchers:(NSArray *)theMatchers;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_allOf(id match, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    allOf(firstMatcher, ...) -
+    Matches if all of the given matchers evaluate to @c YES.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    The matchers are evaluated from left to right using short-circuit evaluation, so evaluation
+    stops as soon as a matcher returns @c NO.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_allOf instead.)
+    
+    @ingroup logical_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define allOf HC_allOf
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.m
new file mode 100644
index 0000000..9cb700e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAllOf.m
@@ -0,0 +1,73 @@
+//
+//  OCHamcrest - HCAllOf.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCAllOf.h"
+
+#import "HCCollectMatchers.h"
+#import "HCDescription.h"
+
+
+@implementation HCAllOf
+
++ (id)allOf:(NSArray *)theMatchers
+{
+    return [[self alloc] initWithMatchers:theMatchers];
+}
+
+- (id)initWithMatchers:(NSArray *)theMatchers
+{
+    self = [super init];
+    if (self)
+        matchers = theMatchers;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [self matches:item describingMismatchTo:nil];
+}
+
+- (BOOL)matches:(id)item describingMismatchTo:(id<HCDescription>)mismatchDescription
+{
+    for (id<HCMatcher> oneMatcher in matchers)
+    {
+        if (![oneMatcher matches:item])
+        {
+            [[mismatchDescription appendDescriptionOf:oneMatcher] appendText:@" "];
+            [oneMatcher describeMismatchOf:item to:mismatchDescription];
+            return NO;
+        }
+    }
+    return YES;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [self matches:item describingMismatchTo:mismatchDescription];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendList:matchers start:@"(" separator:@" and " end:@")"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_allOf(id match, ...)
+{
+    va_list args;
+    va_start(args, match);
+    NSArray *matcherList = HCCollectMatchers(match, args);
+    va_end(args);
+    
+    return [HCAllOf allOf:matcherList];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.h
new file mode 100644
index 0000000..6146555
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCAnyOf.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCAnyOf : HCBaseMatcher
+{
+    NSArray *matchers;
+}
+
++ (id)anyOf:(NSArray *)theMatchers;
+- (id)initWithMatchers:(NSArray *)theMatchers;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_anyOf(id match, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    anyOf(firstMatcher, ...) -
+    Matches if any of the given matchers evaluate to @c YES.
+    
+    @param firstMatcher,...  A comma-separated list of matchers ending with @c nil.
+    
+    The matchers are evaluated from left to right using short-circuit evaluation, so evaluation
+    stops as soon as a matcher returns @c YES.
+    
+    Any argument that is not a matcher is implicitly wrapped in an @ref equalTo matcher to check for
+    equality.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_anyOf instead.)
+
+    @ingroup logical_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define anyOf HC_anyOf
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.m
new file mode 100644
index 0000000..1a5df55
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCAnyOf.m
@@ -0,0 +1,57 @@
+//
+//  OCHamcrest - HCAnyOf.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCAnyOf.h"
+
+#import "HCCollectMatchers.h"
+#import "HCDescription.h"
+
+
+@implementation HCAnyOf
+
++ (id)anyOf:(NSArray *)theMatchers
+{
+    return [[self alloc] initWithMatchers:theMatchers];
+}
+
+- (id)initWithMatchers:(NSArray *)theMatchers
+{
+    self = [super init];
+    if (self)
+        matchers = theMatchers;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    for (id<HCMatcher> oneMatcher in matchers)
+        if ([oneMatcher matches:item])
+            return YES;
+    return NO;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendList:matchers start:@"(" separator:@" or " end:@")"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_anyOf(id match, ...)
+{
+    va_list args;
+    va_start(args, match);
+    NSArray *matcherList = HCCollectMatchers(match, args);
+    va_end(args);
+    
+    return [HCAnyOf anyOf:matcherList];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.h
new file mode 100644
index 0000000..9e607c7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.h
@@ -0,0 +1,63 @@
+//
+//  OCHamcrest - HCIsAnything.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsAnything : HCBaseMatcher
+{
+    NSString *description;
+}
+
++ (id)isAnything;
++ (id)isAnythingWithDescription:(NSString *)aDescription;
+
+- (id)init;
+- (id)initWithDescription:(NSString *)aDescription;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_anything(void);
+
+/**
+    Matches anything.
+    
+    This matcher always evaluates to @c YES. Specify this in composite matchers when the value of a 
+    particular element is unimportant.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_anything instead.)
+
+    @ingroup logical_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define anything() HC_anything()
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_anythingWithDescription(NSString *aDescription);
+
+/**
+    anythingWithDescription(description) -
+    Matches anything.
+    
+    @param description  A string used to describe this matcher.
+    
+    This matcher always evaluates to @c YES. Specify this in collection matchers when the value of a 
+    particular element in a collection is unimportant.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_anything instead.)
+
+    @ingroup logical_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define anythingWithDescription HC_anythingWithDescription
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.m
new file mode 100644
index 0000000..06162e6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsAnything.m
@@ -0,0 +1,64 @@
+//
+//  OCHamcrest - HCIsAnything.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsAnything.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCIsAnything
+
++ (id)isAnything
+{
+    return [[self alloc] init];
+}
+
++ (id)isAnythingWithDescription:(NSString *)aDescription
+{
+    return [[self alloc] initWithDescription:aDescription];
+}
+
+- (id)init
+{
+    self = [self initWithDescription:@"ANYTHING"];
+    return self;
+}
+
+- (id)initWithDescription:(NSString *)aDescription
+{
+    self = [super init];
+    if (self)
+        description = [aDescription copy];
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return YES;
+}
+
+- (void)describeTo:(id<HCDescription>)aDescription
+{
+    [aDescription appendText:description];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_anything()
+{
+    return [HCIsAnything isAnything];
+}
+
+id<HCMatcher> HC_anythingWithDescription(NSString *description)
+{
+    return [HCIsAnything isAnythingWithDescription:description];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.h
new file mode 100644
index 0000000..80d3912
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.h
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCIsNot.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsNot : HCBaseMatcher
+{
+    id<HCMatcher> matcher;
+}
+
++ (id)isNot:(id<HCMatcher>)aMatcher;
+- (id)initNot:(id<HCMatcher>)aMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_isNot(id aMatcher);
+
+/**
+    isNot(aMatcher) -
+    Inverts the given matcher to its logical negation.
+
+    @param aMatcher  The matcher to negate.
+        
+    This matcher compares the evaluated object to the negation of the given matcher. If the
+    @a aMatcher argument is not a matcher, it is implicitly wrapped in an @ref equalTo matcher to
+    check for equality, and thus matches for inequality.
+
+    Examples:
+    @li <code>@ref assertThat(cheese, isNot(equalTo(smelly)))</code>
+    @li <code>@ref assertThat(cheese, isNot(smelly))</code>
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_isNot instead.)
+
+    @ingroup logical_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define isNot HC_isNot
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.m
new file mode 100644
index 0000000..9372b79
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Logical/HCIsNot.m
@@ -0,0 +1,49 @@
+//
+//  OCHamcrest - HCIsNot.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsNot.h"
+
+#import "HCDescription.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCIsNot
+
++ (id)isNot:(id<HCMatcher>)aMatcher
+{
+    return [[self alloc] initNot:aMatcher];
+}
+
+- (id)initNot:(id<HCMatcher>)aMatcher
+{
+    self = [super init];
+    if (self)
+        matcher = aMatcher;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return ![matcher matches:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"not "] appendDescriptionOf:matcher];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_isNot(id aMatcher)
+{
+    return [HCIsNot isNot:HCWrapInMatcher(aMatcher)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCBoxNumber.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCBoxNumber.h
new file mode 100644
index 0000000..9a45c47
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCBoxNumber.h
@@ -0,0 +1,95 @@
+//
+//  OCHamcrest - HCBoxNumber.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+#ifdef __cplusplus
+
+namespace hamcrest {
+
+/**
+    Boxes a scalar value in an NSNumber, specialized per type.
+ 
+    @b Deprecated
+ 
+    @ingroup number_matchers
+ */
+template <typename T>
+inline
+NSNumber *boxNumber(T value)    __attribute__((deprecated));
+    { return nil; }
+
+template <>
+inline
+NSNumber *boxNumber(BOOL value)
+    { return [NSNumber numberWithBool:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(char value)
+    { return [NSNumber numberWithChar:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(double value)
+    { return [NSNumber numberWithDouble:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(float value)
+    { return [NSNumber numberWithFloat:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(int value)
+    { return [NSNumber numberWithInt:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(long value)
+    { return [NSNumber numberWithLong:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(long long value)
+    { return [NSNumber numberWithLongLong:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(short value)
+    { return [NSNumber numberWithShort:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(unsigned char value)
+    { return [NSNumber numberWithUnsignedChar:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(unsigned int value)
+    { return [NSNumber numberWithUnsignedInt:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(unsigned long value)
+    { return [NSNumber numberWithUnsignedLong:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(unsigned long long value)
+    { return [NSNumber numberWithUnsignedLongLong:value]; }
+
+template <>
+inline
+NSNumber *boxNumber(unsigned short value)
+    { return [NSNumber numberWithUnsignedShort:value]; }
+
+}   // namespace hamcrest
+
+#endif  // __cplusplus
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.h
new file mode 100644
index 0000000..861a051
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.h
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCIsCloseTo.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsCloseTo : HCBaseMatcher
+{
+    double value;
+    double delta;
+}
+
++ (id)isCloseTo:(double)aValue within:(double)aDelta;
+- (id)initWithValue:(double)aValue delta:(double)aDelta;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_closeTo(double aValue, double aDelta);
+
+/**
+    closeTo(aValue, aDelta) -
+    Matches if object is a number close to a given value, within a given delta.
+    
+    @param aValue   The @c double value to compare against as the expected value.
+    @param aDelta   The @c double maximum delta between the values for which the numbers are considered close.
+    
+    This matcher invokes @c -doubleValue on the evaluated object to get its value as a @c double.
+    The result is compared against @a aValue to see if the difference is within a positive @a aDelta.
+    
+    Example:
+    @li @ref closeTo(3.0, 0.25)
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_closeTo instead.)
+
+    @ingroup number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define closeTo HC_closeTo
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.m
new file mode 100644
index 0000000..00485ef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsCloseTo.m
@@ -0,0 +1,70 @@
+//
+//  OCHamcrest - HCIsCloseTo.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsCloseTo.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCIsCloseTo
+
++ (id)isCloseTo:(double)aValue within:(double)aDelta
+{
+    return [[self alloc] initWithValue:aValue delta:aDelta];
+}
+
+- (id)initWithValue:(double)aValue delta:(double)aDelta
+{
+    self = [super init];
+    if (self)
+    {
+        value = aValue;
+        delta = aDelta;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item isKindOfClass:[NSNumber class]])
+        return NO;
+    
+    return fabs([item doubleValue] - value) <= delta;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    if (![item isKindOfClass:[NSNumber class]])
+        [super describeMismatchOf:item to:mismatchDescription];
+    else
+    {
+        double actualDelta = fabs([item doubleValue] - value);
+        [[[mismatchDescription appendDescriptionOf:item]
+                               appendText:@" differed by "]
+                               appendDescriptionOf:@(actualDelta)];
+    }
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[description appendText:@"a numeric value within "]
+                    appendDescriptionOf:@(delta)]
+                    appendText:@" of "]
+                    appendDescriptionOf:@(value)];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_closeTo(double value, double delta)
+{
+    return [HCIsCloseTo isCloseTo:value within:delta];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.h
new file mode 100644
index 0000000..88f0a5b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.h
@@ -0,0 +1,325 @@
+//
+//  OCHamcrest - HCIsEqualToNumber.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToBool(BOOL value);
+
+/**
+    equalToBool(value) -
+    Matches if object is equal to @c NSNumber created from a @c BOOL.
+    
+    @param value  The @c BOOL value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c BOOL @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToBool instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToBool HC_equalToBool
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToChar(char value);
+
+/**
+    equalToChar(value) -
+    Matches if object is equal to @c NSNumber created from a @c char.
+    
+    @param value  The @c char value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c char @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToChar instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToChar HC_equalToChar
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToDouble(double value);
+
+/**
+    equalToDouble(value) -
+    Matches if object is equal to @c NSNumber created from a @c double.
+    
+    @param value  The @c double value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c double @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToDouble instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToDouble HC_equalToDouble
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToFloat(float value);
+
+/**
+    equalToFloat(value) -
+    Matches if object is equal to @c NSNumber created from a @c float.
+    
+    @param value  The @c float value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c float @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToFloat instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToFloat HC_equalToFloat
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToInt(int value);
+
+/**
+    equalToInt(value) -
+    Matches if object is equal to @c NSNumber created from an @c int.
+    
+    @param value  The @c int value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c int @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToInt instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToInt HC_equalToInt
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToLong(long value);
+
+/**
+    equalToLong(value) -
+    Matches if object is equal to @c NSNumber created from a @c long.
+    
+    @param value  The @c long value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c long @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToLong instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToLong HC_equalToLong
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToLongLong(long long value);
+
+/**
+    equalToLongLong(value) -
+    Matches if object is equal to @c NSNumber created from a <code>long long</code>.
+    
+    @param value  The <code>long long</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a <code>long long</code> @a value and compares
+    the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToLongLong instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToLongLong HC_equalToLongLong
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToShort(short value);
+
+/**
+    equalToShort(value) -
+    Matches if object is equal to @c NSNumber created from a @c short.
+    
+    @param value  The @c short value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from a @c short @a value and compares the evaluated
+    object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToShort instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToShort HC_equalToShort
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedChar(unsigned char value);
+
+/**
+    equalToUnsignedChar(value) -
+    Matches if object is equal to @c NSNumber created from an <code>unsigned char</code>.
+    
+    @param value  The <code>unsigned char</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an <code>unsigned char</code> @a value and
+    compares the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedChar instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedChar HC_equalToUnsignedChar
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedInt(unsigned int value);
+
+/**
+    equalToUnsignedInt(value) -
+    Matches if object is equal to @c NSNumber created from an <code>unsigned int</code>.
+    
+    @param value  The <code>unsigned int</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an <code>unsigned int</code> @a value and
+    compares the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedInt instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedInt HC_equalToUnsignedInt
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedLong(unsigned long value);
+
+/**
+    equalToUnsignedLong(value) -
+    Matches if object is equal to @c NSNumber created from an <code>unsigned long</code>.
+    
+    @param value  The <code>unsigned long</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an <code>unsigned long</code> @a value and
+    compares the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedLong instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedLong HC_equalToUnsignedLong
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedLongLong(unsigned long long value);
+
+/**
+    equalToUnsignedLongLong(value) -
+    Matches if object is equal to @c NSNumber created from an <code>unsigned long long</code>.
+    
+    @param value  The <code>unsigned long long</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an <code>unsigned long long</code> @a value and
+    compares the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedLongLong instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedLongLong HC_equalToUnsignedLongLong
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedShort(unsigned short value);
+
+/**
+    equalToUnsignedShort(value) -
+    Matches if object is equal to @c NSNumber created from an <code>unsigned short</code>.
+    
+    @param value  The <code>unsigned short</code> value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an <code>unsigned short</code> @a value and
+    compares the evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedShort instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedShort HC_equalToUnsignedShort
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToInteger(NSInteger value);
+
+/**
+    equalToInteger(value) -
+    Matches if object is equal to @c NSNumber created from an @c NSInteger.
+    
+    @param value  The @c NSInteger value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an @c NSInteger @a value and compares the
+    evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToInteger instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToInteger HC_equalToInteger
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToUnsignedInteger(NSUInteger value);
+
+/**
+    equalToUnsignedInteger(value) -
+    Matches if object is equal to @c NSNumber created from an @c NSUInteger.
+    
+    @param value  The @c NSUInteger value from which to create an @c NSNumber.
+    
+    This matcher creates an @c NSNumber object from an @c NSUInteger @a value and compares the
+    evaluated object to it for equality.    
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToUnsignedInteger instead.)
+
+    @ingroup primitive_number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToUnsignedInteger HC_equalToUnsignedInteger
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.m
new file mode 100644
index 0000000..6ad5489
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCIsEqualToNumber.m
@@ -0,0 +1,35 @@
+//
+//  OCHamcrest - HCIsEqualToNumber.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsEqualToNumber.h"
+
+#import "HCIsEqual.h"
+
+
+#define DEFINE_EQUAL_TO_NUMBER(name, type)                                  \
+    OBJC_EXPORT id<HCMatcher> HC_equalTo ## name(type value)                \
+    {                                                                       \
+        return [HCIsEqual isEqualTo:[NSNumber numberWith ## name :value]];  \
+    }
+
+DEFINE_EQUAL_TO_NUMBER(Bool, BOOL)
+DEFINE_EQUAL_TO_NUMBER(Char, char)
+DEFINE_EQUAL_TO_NUMBER(Double, double)
+DEFINE_EQUAL_TO_NUMBER(Float, float)
+DEFINE_EQUAL_TO_NUMBER(Int, int)
+DEFINE_EQUAL_TO_NUMBER(Long, long)
+DEFINE_EQUAL_TO_NUMBER(LongLong, long long)
+DEFINE_EQUAL_TO_NUMBER(Short, short)
+DEFINE_EQUAL_TO_NUMBER(UnsignedChar, unsigned char)
+DEFINE_EQUAL_TO_NUMBER(UnsignedInt, unsigned int)
+DEFINE_EQUAL_TO_NUMBER(UnsignedLong, unsigned long)
+DEFINE_EQUAL_TO_NUMBER(UnsignedLongLong, unsigned long long)
+DEFINE_EQUAL_TO_NUMBER(UnsignedShort, unsigned short)
+DEFINE_EQUAL_TO_NUMBER(Integer, NSInteger)
+DEFINE_EQUAL_TO_NUMBER(UnsignedInteger, NSUInteger)
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.h
new file mode 100644
index 0000000..3b8343e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.h
@@ -0,0 +1,387 @@
+//
+//  OCHamcrest - HCNumberAssert.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+@protocol HCMatcher;
+
+
+OBJC_EXPORT void HC_assertThatBoolWithLocation(id testCase, BOOL actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatBool(actual, matcher)  \
+    HC_assertThatBoolWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatBool(actual, matcher) -
+    Asserts that @c BOOL actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c BOOL value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatBool instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatBool HC_assertThatBool
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatCharWithLocation(id testCase, char actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatChar(actual, matcher)  \
+    HC_assertThatCharWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatChar(actual, matcher) -
+    Asserts that @c char actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c char value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatChar instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatChar HC_assertThatChar
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatDoubleWithLocation(id testCase, double actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatDouble(actual, matcher)  \
+    HC_assertThatDoubleWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    HC_assertThatDouble(actual, matcher) -
+    Asserts that @c double actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c double value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatDouble instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatDouble HC_assertThatDouble
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatFloatWithLocation(id testCase, float actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatFloat(actual, matcher)  \
+    HC_assertThatFloatWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatFloat(actual, matcher) -
+    Asserts that @c float actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c float value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatFloat instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatFloat HC_assertThatFloat
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatIntWithLocation(id testCase, int actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatInt(actual, matcher)  \
+    HC_assertThatIntWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatInt(actual, matcher) -
+    Asserts that @c int actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c int value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatInt instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatInt HC_assertThatInt
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatLongWithLocation(id testCase, long actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatLong(actual, matcher)  \
+    HC_assertThatLongWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatLong(actual, matcher) -
+    Asserts that @c long actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c long value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatLong instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatLong HC_assertThatLong
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatLongLongWithLocation(id testCase, long long actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatLongLong(actual, matcher)  \
+    HC_assertThatLongLongWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatLongLong(actual, matcher) -
+    Asserts that <code>long long</code> actual value, converted to an @c NSNumber, satisfies
+    matcher.
+
+    @param actual   The <code>long long</code> value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatLongLong instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatLongLong HC_assertThatLongLong
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatShortWithLocation(id testCase, short actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatShort(actual, matcher)  \
+    HC_assertThatShortWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatShort(actual, matcher) -
+    Asserts that @c short actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c short value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatShort instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatShort HC_assertThatShort
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedCharWithLocation(id testCase, unsigned char actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedChar(actual, matcher)  \
+    HC_assertThatUnsignedCharWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedChar(actual, matcher) -
+    Asserts that <code>unsigned char</code> actual value, converted to an @c NSNumber, satisfies
+    matcher.
+
+    @param actual   The <code>unsigned char</code> value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedChar instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedChar HC_assertThatUnsignedChar
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedIntWithLocation(id testCase, unsigned int actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedInt(actual, matcher)  \
+    HC_assertThatUnsignedIntWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedInt(actual, matcher) -
+    Asserts that <code>unsigned int</code> actual value, converted to an @c NSNumber, satisfies
+    matcher.
+
+    @param actual   The <code>unsigned int</code> value to convert to an @c NSNumber for evaluation    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedInt instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedInt HC_assertThatUnsignedInt
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedLongWithLocation(id testCase, unsigned long actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedLong(actual, matcher)  \
+    HC_assertThatUnsignedLongWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedLong(actual, matcher) -
+    Asserts that <code>unsigned long</code> actual value, converted to an @c NSNumber, satisfies
+    matcher.
+
+    @param actual   The <code>unsigned long</code> value to convert to an @c NSNumber for evaluation    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedLong instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedLong HC_assertThatUnsignedLong
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedLongLongWithLocation(id testCase, unsigned long long actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedLongLong(actual, matcher)  \
+    HC_assertThatUnsignedLongLongWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedLongLong(actual, matcher) -
+    Asserts that <code>unsigned long long</code> actual value, converted to an @c NSNumber,
+    satisfies matcher.
+
+    @param actual   The <code>unsigned long long</code> value to convert to an @c NSNumber for evaluation    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedLongLong instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedLongLong HC_assertThatUnsignedLongLong
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedShortWithLocation(id testCase, unsigned short actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedShort(actual, matcher)  \
+    HC_assertThatUnsignedShortWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedShort(actual, matcher) -
+    Asserts that <code>unsigned short</code> actual value, converted to an @c NSNumber, satisfies
+    matcher.
+
+    @param actual   The <code>unsigned short</code> value to convert to an @c NSNumber for evaluation    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedShort instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedShort HC_assertThatUnsignedShort
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatIntegerWithLocation(id testCase, NSInteger actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatInteger(actual, matcher)  \
+    HC_assertThatIntegerWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatInteger(actual, matcher) -
+    Asserts that @c NSInteger actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c NSInteger value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatInteger instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatInteger HC_assertThatInteger
+#endif
+
+
+#pragma mark -
+
+OBJC_EXPORT void HC_assertThatUnsignedIntegerWithLocation(id testCase, NSUInteger actual,
+        id<HCMatcher> matcher, const char* fileName, int lineNumber);
+
+#define HC_assertThatUnsignedInteger(actual, matcher)  \
+    HC_assertThatUnsignedIntegerWithLocation(self, actual, matcher, __FILE__, __LINE__)
+
+/**
+    assertThatUnsignedInteger(actual, matcher) -
+    Asserts that @c NSUInteger actual value, converted to an @c NSNumber, satisfies matcher.
+
+    @param actual   The @c NSUInteger value to convert to an @c NSNumber for evaluation.
+    @param matcher  The matcher to satisfy as the expected condition.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_assertThatUnsignedInteger instead.)
+
+    @ingroup integration_numeric
+ */
+#ifdef HC_SHORTHAND
+    #define assertThatUnsignedInteger HC_assertThatUnsignedInteger
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.m
new file mode 100644
index 0000000..d83bca0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCNumberAssert.m
@@ -0,0 +1,36 @@
+//
+//  OCHamcrest - HCNumberAssert.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCNumberAssert.h"
+
+#import "HCAssertThat.h"
+
+
+#define DEFINE_NUMBER_ASSERT(name, type)                                                                            \
+    OBJC_EXPORT void HC_assertThat ## name ## WithLocation(id testCase, type actual, id<HCMatcher> matcher,         \
+                                                           const char* fileName, int lineNumber)                    \
+    {                                                                                                               \
+        HC_assertThatWithLocation(testCase, [NSNumber numberWith ## name :actual], matcher, fileName, lineNumber);  \
+    }
+
+DEFINE_NUMBER_ASSERT(Bool, BOOL)
+DEFINE_NUMBER_ASSERT(Char, char)
+DEFINE_NUMBER_ASSERT(Double, double)
+DEFINE_NUMBER_ASSERT(Float, float)
+DEFINE_NUMBER_ASSERT(Int, int)
+DEFINE_NUMBER_ASSERT(Long, long)
+DEFINE_NUMBER_ASSERT(LongLong, long long)
+DEFINE_NUMBER_ASSERT(Short, short)
+DEFINE_NUMBER_ASSERT(UnsignedChar, unsigned char)
+DEFINE_NUMBER_ASSERT(UnsignedInt, unsigned int)
+DEFINE_NUMBER_ASSERT(UnsignedLong, unsigned long)
+DEFINE_NUMBER_ASSERT(UnsignedLongLong, unsigned long long)
+DEFINE_NUMBER_ASSERT(UnsignedShort, unsigned short)
+DEFINE_NUMBER_ASSERT(Integer, NSInteger)
+DEFINE_NUMBER_ASSERT(UnsignedInteger, NSUInteger)
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.h
new file mode 100644
index 0000000..bfcd057
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.h
@@ -0,0 +1,115 @@
+//
+//  OCHamcrest - HCOrderingComparison.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCOrderingComparison : HCBaseMatcher
+{
+    id expected;
+    NSComparisonResult minCompare;
+    NSComparisonResult maxCompare;
+    NSString *comparisonDescription;
+}
+
++ (id)compare:(id)expectedValue
+   minCompare:(NSComparisonResult)min
+   maxCompare:(NSComparisonResult)max
+   comparisonDescription:(NSString *)comparisonDescription;
+
+- (id)initComparing:(id)expectedValue
+         minCompare:(NSComparisonResult)min
+         maxCompare:(NSComparisonResult)max
+         comparisonDescription:(NSString *)comparisonDescription;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_greaterThan(id expected);
+
+/**
+    greaterThan(aNumber) -
+    Matches if object is greater than a given number.
+    
+    @param aNumber  The @c NSNumber to compare against.
+    
+    Example:
+    @li @ref greaterThan(\@5)
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_greaterThan instead.)
+
+    @ingroup number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define greaterThan HC_greaterThan
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_greaterThanOrEqualTo(id expected);
+
+/**
+    greaterThanOrEqualTo(aNumber) -
+    Matches if object is greater than or equal to a given number.
+    
+    @param aNumber  The @c NSNumber to compare against.
+    
+    Example:
+    @li @ref greaterThanOrEqualTo(\@5)
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_greaterThanOrEqualTo instead.)
+
+    @ingroup number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define greaterThanOrEqualTo HC_greaterThanOrEqualTo
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_lessThan(id expected);
+
+/**
+    lessThan(aNumber) -
+    Matches if object is less than a given number.
+    
+    @param aNumber  The @c NSNumber to compare against.
+    
+    Example:
+    @li @ref lessThan(\@5)
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_lessThan instead.)
+
+    @ingroup number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define lessThan HC_lessThan
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_lessThanOrEqualTo(id expected);
+
+/**
+    lessThanOrEqualTo(aNumber) -
+    Matches if object is less than or equal to a given number.
+    
+    @param aNumber  The @c NSNumber to compare against.
+    
+    Example:
+    @li @ref lessThanOrEqualTo(\@5)
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_lessThanOrEqualTo instead.)
+
+    @ingroup number_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define lessThanOrEqualTo HC_lessThanOrEqualTo
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.m
new file mode 100644
index 0000000..7c8662e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Number/HCOrderingComparison.m
@@ -0,0 +1,103 @@
+//
+//  OCHamcrest - HCOrderingComparison.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCOrderingComparison.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCOrderingComparison
+
++ (id)compare:(id)expectedValue
+   minCompare:(NSComparisonResult)min
+   maxCompare:(NSComparisonResult)max
+   comparisonDescription:(NSString *)description
+{
+    return [[self alloc] initComparing:expectedValue
+                             minCompare:min
+                             maxCompare:max
+                  comparisonDescription:description];
+}
+
+- (id)initComparing:(id)expectedValue
+         minCompare:(NSComparisonResult)min
+         maxCompare:(NSComparisonResult)max
+         comparisonDescription:(NSString *)description
+{
+    if (![expectedValue respondsToSelector:@selector(compare:)])
+    {
+        @throw [NSException exceptionWithName: @"UncomparableObject"
+                                       reason: @"Object must respond to compare:"
+                                     userInfo: nil];
+    }
+    
+    self = [super init];
+    if (self)
+    {
+        expected = expectedValue;
+        minCompare = min;
+        maxCompare = max;
+        comparisonDescription = [description copy];
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (item == nil)
+        return NO;
+    
+    NSComparisonResult compare = [expected compare:item];
+    return minCompare <= compare && compare <= maxCompare;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[description appendText:@"a value "]
+                    appendText:comparisonDescription]
+                    appendText:@" "]
+                    appendDescriptionOf:expected];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_greaterThan(id aValue)
+{
+    return [HCOrderingComparison compare:aValue
+                              minCompare:NSOrderedAscending
+                              maxCompare:NSOrderedAscending
+                   comparisonDescription:@"greater than"];
+}
+
+id<HCMatcher> HC_greaterThanOrEqualTo(id aValue)
+{
+    return [HCOrderingComparison compare:aValue
+                              minCompare:NSOrderedAscending
+                              maxCompare:NSOrderedSame
+                   comparisonDescription:@"greater than or equal to"];
+}
+
+id<HCMatcher> HC_lessThan(id aValue)
+{
+    return [HCOrderingComparison compare:aValue
+                              minCompare:NSOrderedDescending
+                              maxCompare:NSOrderedDescending
+                   comparisonDescription:@"less than"];
+}
+
+id<HCMatcher> HC_lessThanOrEqualTo(id aValue)
+{
+    return [HCOrderingComparison compare:aValue
+                              minCompare:NSOrderedSame
+                              maxCompare:NSOrderedDescending
+                   comparisonDescription:@"less than or equal to"];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.h
new file mode 100644
index 0000000..e2949bb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.h
@@ -0,0 +1,43 @@
+//
+//  OCHamcrest - HCConformsToProtocol.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Todd Farrell
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCConformsToProtocol : HCBaseMatcher
+{
+    Protocol *theProtocol;
+}
+
++ (id)conformsTo:(Protocol *)protocol;
+- (id)initWithProtocol:(Protocol *)protocol;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_conformsTo(Protocol *aProtocol);
+OBJC_EXPORT id<HCMatcher> HC_conformsToProtocol(Protocol *aProtocol)    __attribute__((deprecated));
+
+/**
+    conformsTo(aProtocol) -
+    Matches if object conforms to a given protocol.
+
+    @param aProtocol  The protocol to compare against as the expected protocol.
+
+    This matcher checks whether the evaluated object conforms to @a aProtocol.
+
+    Example:
+    @li @ref conformsTo(\@protocol(NSObject))
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_conformsTo instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define conformsTo HC_conformsTo
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.m
new file mode 100644
index 0000000..ee381ea
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCConformsToProtocol.m
@@ -0,0 +1,55 @@
+//
+//  OCHamcrest - HCConformsToProtocol.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Todd Farrell
+//
+
+#import "HCConformsToProtocol.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+
+
+@implementation HCConformsToProtocol
+
++ (id)conformsTo:(Protocol *)protocol
+{
+    return [[self alloc] initWithProtocol:protocol];
+}
+
+- (id)initWithProtocol:(Protocol *)aProtocol
+{
+    HCRequireNonNilObject(aProtocol);
+    
+    self = [super init];
+    if (self)
+        theProtocol = aProtocol;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [item conformsToProtocol:theProtocol];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"an object that conforms to "]
+                  appendText:NSStringFromProtocol(theProtocol)];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_conformsTo(Protocol *aProtocol)
+{
+    return [HCConformsToProtocol conformsTo:aProtocol];
+}
+
+id<HCMatcher> HC_conformsToProtocol(Protocol *aProtocol)
+{
+    return HC_conformsTo(aProtocol);
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.h
new file mode 100644
index 0000000..e9276a1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.h
@@ -0,0 +1,44 @@
+//
+//  OCHamcrest - HCHasDescription.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCInvocationMatcher.h>
+
+
+@interface HCHasDescription : HCInvocationMatcher
+
++ (id)hasDescription:(id<HCMatcher>)descriptionMatcher;
+- (id)initWithDescription:(id<HCMatcher>)descriptionMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasDescription(id match);
+
+/**
+    hasDescription(aMatcher) -
+    Matches if object's @c -description satisfies a given matcher.
+
+    @param aMatcher  The matcher to satisfy, or an expected value for @ref equalTo matching.
+    
+    This matcher invokes @c -description on the evaluated object to get its description, passing the
+    result to a given matcher for evaluation. If the @a aMatcher argument is not a matcher, it is
+    implicitly wrapped in an @ref equalTo matcher to check for equality.
+    
+    Examples:
+    @li @ref hasDescription(@ref startsWith(\@"foo"))
+    @li @ref hasDescription(\@"bar")
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasDescription instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasDescription HC_hasDescription
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.m
new file mode 100644
index 0000000..0724554
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasDescription.m
@@ -0,0 +1,39 @@
+//
+//  OCHamcrest - HCHasDescription.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCHasDescription.h"
+
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCHasDescription
+
++ (id)hasDescription:(id<HCMatcher>)descriptionMatcher
+{
+    return [[self alloc] initWithDescription:descriptionMatcher];
+}
+
+- (id)initWithDescription:(id<HCMatcher>)descriptionMatcher
+{
+    NSInvocation *anInvocation = [HCInvocationMatcher invocationForSelector:@selector(description)
+                                                                    onClass:[NSObject class]];
+    self = [super initWithInvocation:anInvocation matching:descriptionMatcher];
+    shortMismatchDescription = YES;
+    return self;
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasDescription(id match)
+{
+    return [HCHasDescription hasDescription:HCWrapInMatcher(match)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.h
new file mode 100644
index 0000000..ac66c18
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.h
@@ -0,0 +1,49 @@
+//
+//  OCHamcrest - HCHasProperty.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Justin Shacklette
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCHasProperty : HCBaseMatcher
+{
+    NSString *propertyName;
+    id<HCMatcher> valueMatcher;
+}
+
++ (id)hasProperty:(NSString *)property value:(id<HCMatcher>)aValueMatcher;
+- (id)initWithProperty:(NSString *)property value:(id<HCMatcher>)aValueMatcher;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_hasProperty(NSString *name, id valueMatch);
+
+/**
+    hasProperty(name, valueMatcher) -
+    Matches if object has a method of a given name whose return value satisfies a given matcher.
+ 
+    @param name  The name of a method without arguments that returns an object.
+    @param valueMatcher  The matcher to satisfy for the return value, or an expected value for @ref equalTo matching.
+ 
+    This matcher first checks if the evaluated object has a method with a name matching the given
+    @c name. If so, it invokes the method and sees if the returned value satisfies @c valueMatcher.
+ 
+    While this matcher is called "hasProperty", it's useful for checking the results of any simple
+    methods, not just properties.
+ 
+    Examples:
+    @li @ref hasProperty(\@"firstName", \@"Joe")
+    @li @ref hasProperty(\@"firstName", startsWith(\@"J"))
+ 
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_hasProperty instead.)
+ 
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define hasProperty HC_hasProperty
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.m
new file mode 100644
index 0000000..b779404
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCHasProperty.m
@@ -0,0 +1,150 @@
+//
+//  OCHamcrest - HCHasProperty.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Justin Shacklette
+//
+
+#import "HCHasProperty.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+#import "HCWrapInMatcher.h"
+
+
+@implementation HCHasProperty
+
++ (id)hasProperty:(NSString *)property value:(id<HCMatcher>)aValueMatcher
+{
+    return [[self alloc] initWithProperty:property value:aValueMatcher];
+}
+
+- (id)initWithProperty:(NSString *)property value:(id<HCMatcher>)aValueMatcher
+{
+    HCRequireNonNilObject(property);
+    
+    self = [super init];
+    if (self != nil)
+    {
+        propertyName = [property copy];
+        valueMatcher = aValueMatcher;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    SEL propertyGetter = NSSelectorFromString(propertyName);
+    if (![item respondsToSelector:propertyGetter])
+        return NO;
+
+    id propertyValue = [self objectFromInvokingSelector:propertyGetter onObject:item];
+    return [valueMatcher matches:propertyValue];
+}
+
+- (id)objectFromInvokingSelector:(SEL)selector onObject:(id)object
+{
+    NSMethodSignature *getterSignature = [object methodSignatureForSelector:selector];
+    NSInvocation *getterInvocation = [NSInvocation invocationWithMethodSignature:getterSignature];
+    [getterInvocation setTarget:object];
+    [getterInvocation setSelector:selector];
+    [getterInvocation invoke];
+    
+    __unsafe_unretained id result = nil;
+    const char *argType = [getterSignature methodReturnType];
+    if (strncmp(argType, @encode(char), 1) == 0)
+    {
+        char charValue;
+        [getterInvocation getReturnValue:&charValue];
+        result = @(charValue);
+    }
+    else if (strncmp(argType, @encode(int), 1) == 0)
+    {
+        int intValue;
+        [getterInvocation getReturnValue:&intValue];
+        result = @(intValue);
+    }
+    else if (strncmp(argType, @encode(short), 1) == 0)
+    {
+        short shortValue;
+        [getterInvocation getReturnValue:&shortValue];
+        result = @(shortValue);
+    }
+    else if (strncmp(argType, @encode(long), 1) == 0)
+    {
+        long longValue;
+        [getterInvocation getReturnValue:&longValue];
+        result = @(longValue);
+    }
+    else if (strncmp(argType, @encode(long long), 1) == 0)
+    {
+        long long longLongValue;
+        [getterInvocation getReturnValue:&longLongValue];
+        result = @(longLongValue);
+    }
+    else if (strncmp(argType, @encode(unsigned char), 1) == 0)
+    {
+        unsigned char unsignedCharValue;
+        [getterInvocation getReturnValue:&unsignedCharValue];
+        result = @(unsignedCharValue);
+    }
+    else if (strncmp(argType, @encode(unsigned int), 1) == 0)
+    {
+        unsigned int unsignedIntValue;
+        [getterInvocation getReturnValue:&unsignedIntValue];
+        result = @(unsignedIntValue);
+    }
+    else if (strncmp(argType, @encode(unsigned short), 1) == 0)
+    {
+        unsigned short unsignedShortValue;
+        [getterInvocation getReturnValue:&unsignedShortValue];
+        result = @(unsignedShortValue);
+    }
+    else if (strncmp(argType, @encode(unsigned long), 1) == 0)
+    {
+        unsigned long unsignedLongValue;
+        [getterInvocation getReturnValue:&unsignedLongValue];
+        result = @(unsignedLongValue);
+    }
+    else if (strncmp(argType, @encode(unsigned long long), 1) == 0)
+    {
+        unsigned long long unsignedLongLongValue;
+        [getterInvocation getReturnValue:&unsignedLongLongValue];
+        result = @(unsignedLongLongValue);
+    }
+    else if (strncmp(argType, @encode(float), 1) == 0)
+    {
+        float floatValue;
+        [getterInvocation getReturnValue:&floatValue];
+        result = @(floatValue);
+    }
+    else if (strncmp(argType, @encode(double), 1) == 0)
+    {
+        double doubleValue;
+        [getterInvocation getReturnValue:&doubleValue];
+        result = @(doubleValue);
+    }
+    else if (strncmp(argType, @encode(id), 1) == 0)
+    {
+        [getterInvocation getReturnValue:&result];
+    }
+        
+    return result;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[description appendText:@"an object with "]
+                    appendText:propertyName]
+                    appendText:@" "]
+                    appendDescriptionOf:valueMatcher];
+}
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_hasProperty(NSString *name, id valueMatch)
+{
+    return [HCHasProperty hasProperty:name value:HCWrapInMatcher(valueMatch)];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.h
new file mode 100644
index 0000000..1d50c55
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.h
@@ -0,0 +1,44 @@
+//
+//  OCHamcrest - HCIsEqual.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsEqual : HCBaseMatcher
+{
+    id object;
+}
+
++ (id)isEqualTo:(id)anObject;
+- (id)initEqualTo:(id)anObject;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalTo(id object);
+
+/**
+    equalTo(anObject) -
+    Matches if object is equal to a given object.
+    
+    @param anObject  The object to compare against as the expected value.
+    
+    This matcher compares the evaluated object to @a anObject for equality, as determined by the
+    @c -isEqual: method.
+    
+    If @a anObject is @c nil, the matcher will successfully match @c nil.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalTo instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalTo HC_equalTo
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.m
new file mode 100644
index 0000000..bfa36f1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsEqual.m
@@ -0,0 +1,58 @@
+//
+//  OCHamcrest - HCIsEqual.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsEqual.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCIsEqual
+
++ (id)isEqualTo:(id)anObject
+{
+    return [[self alloc] initEqualTo:anObject];
+}
+
+- (id)initEqualTo:(id)anObject
+{
+    self = [super init];
+    if (self)
+        object = anObject;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (item == nil)
+        return object == nil;
+    else
+        return [item isEqual:object];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    if ([object conformsToProtocol:@protocol(HCMatcher)])
+    {
+        [[[description appendText:@"<"]
+                       appendDescriptionOf:object]
+                       appendText:@">"];
+    }
+    else
+        [description appendDescriptionOf:object];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_equalTo(id object)
+{
+    return [HCIsEqual isEqualTo:object];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.h
new file mode 100644
index 0000000..364fe9d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCIsInstanceOf.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsInstanceOf : HCBaseMatcher
+{
+    Class theClass;
+}
+
++ (id)isInstanceOf:(Class)type;
+- (id)initWithType:(Class)type;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_instanceOf(Class aClass);
+
+/**
+    instanceOf(aClass) -
+    Matches if object is an instance of, or inherits from, a given class.
+    
+    @param aClass  The class to compare against as the expected class.
+    
+    This matcher checks whether the evaluated object is an instance of @a aClass or an instance of
+    any class that inherits from @a aClass.
+    
+    Example:
+    @li @ref instanceOf([NSString class])
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_instanceOf instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define instanceOf HC_instanceOf
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.m
new file mode 100644
index 0000000..df9a55c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsInstanceOf.m
@@ -0,0 +1,52 @@
+//
+//  OCHamcrest - HCIsInstanceOf.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsInstanceOf.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+
+
+@implementation HCIsInstanceOf
+
++ (id)isInstanceOf:(Class)type
+{
+    return [[self alloc] initWithType:type];
+}
+
+- (id)initWithType:(Class)aClass
+{
+    HCRequireNonNilObject(aClass);
+
+    self = [super init];
+    if (self)
+        theClass = aClass;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return [item isKindOfClass:theClass];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:@"an instance of "]
+                  appendText:NSStringFromClass(theClass)];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_instanceOf(Class aClass)
+{
+    return [HCIsInstanceOf isInstanceOf:aClass];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.h
new file mode 100644
index 0000000..6da515a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.h
@@ -0,0 +1,47 @@
+//
+//  OCHamcrest - HCIsNil.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsNil : HCBaseMatcher
+
++ (id)isNil;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_nilValue(void);
+
+/**
+    Matches if object is @c nil.
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_nilValue instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define nilValue() HC_nilValue()
+#endif
+
+
+OBJC_EXPORT id<HCMatcher> HC_notNilValue(void);
+
+/**
+    Matches if object is not @c nil.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_notNilValue instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define notNilValue() HC_notNilValue()
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.m
new file mode 100644
index 0000000..f1842ac
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsNil.m
@@ -0,0 +1,46 @@
+//
+//  OCHamcrest - HCIsNil.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsNil.h"
+
+#import "HCDescription.h"
+#import "HCIsNot.h"
+
+
+@implementation HCIsNil
+
++ (id)isNil
+{
+    return [[self alloc] init];
+}
+
+- (BOOL)matches:(id)item
+{
+    return item == nil;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"nil"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_nilValue()
+{
+    return [HCIsNil isNil];
+}
+
+id<HCMatcher> HC_notNilValue()
+{
+    return HC_isNot([HCIsNil isNil]);
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.h
new file mode 100644
index 0000000..1c15bf1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.h
@@ -0,0 +1,42 @@
+//
+//  OCHamcrest - HCIsSame.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsSame : HCBaseMatcher
+{
+    id object;
+}
+
++ (id)isSameAs:(id)anObject;
+- (id)initSameAs:(id)anObject;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_sameInstance(id object);
+
+/**
+    sameInstance(anObject) -
+    Matches if evaluated object is the same instance as a given object.
+
+    @param anObject  The object to compare against as the expected value.
+    
+    This matcher compares the address of the evaluated object to determine if it is the same object
+    as @a anObject.
+    
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_sameInstance instead.)
+
+    @ingroup object_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define sameInstance HC_sameInstance
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.m
new file mode 100644
index 0000000..821ae11
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Object/HCIsSame.m
@@ -0,0 +1,57 @@
+//
+//  OCHamcrest - HCIsSame.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsSame.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCIsSame
+
++ (id)isSameAs:(id)anObject
+{
+    return [[self alloc] initSameAs:anObject];
+}
+
+- (id)initSameAs:(id)anObject
+{
+    self = [super init];
+    if (self)
+        object = anObject;
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    return item == object;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [mismatchDescription appendText:@"was "];
+    if (item)
+        [mismatchDescription appendText:[NSString stringWithFormat:@"%p ", (__bridge void *)item]];
+    [mismatchDescription appendDescriptionOf:item];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendText:[NSString stringWithFormat:@"same instance as %p ", (__bridge void *)object]]
+         appendDescriptionOf:object];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_sameInstance(id object)
+{
+    return [HCIsSame isSameAs:object];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.h
new file mode 100644
index 0000000..d86dc35
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.h
@@ -0,0 +1,49 @@
+//
+//  OCHamcrest - HCIsEqualIgnoringCase.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsEqualIgnoringCase : HCBaseMatcher
+{
+    NSString *string;
+}
+
++ (id)isEqualIgnoringCase:(NSString *)aString;
+- (id)initWithString:(NSString *)aString;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToIgnoringCase(NSString *aString);
+
+/**
+    equalToIgnoringCase(aString) -
+    Matches if object is a string equal to a given string, ignoring case differences.
+
+    @param aString  The string to compare against as the expected value. This value must not be @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it compares it with 
+    @a aString, ignoring differences of case.
+    
+    Example:
+    
+    @par
+    @ref equalToIgnoringCase(@"hello world")
+    
+    will match "heLLo WorlD".
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToIgnoringCase instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToIgnoringCase HC_equalToIgnoringCase
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.m
new file mode 100644
index 0000000..75b5b90
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringCase.m
@@ -0,0 +1,55 @@
+//
+//  OCHamcrest - HCIsEqualIgnoringCase.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsEqualIgnoringCase.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+
+
+@implementation HCIsEqualIgnoringCase
+
++ (id)isEqualIgnoringCase:(NSString *)aString
+{
+    return [[self alloc] initWithString:aString];
+}
+
+- (id)initWithString:(NSString *)aString
+{
+    HCRequireNonNilObject(aString);
+    
+    self = [super init];
+    if (self)
+        string = [aString copy];
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item isKindOfClass:[NSString class]])
+        return NO;
+    
+    return [string caseInsensitiveCompare:item] == NSOrderedSame;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendDescriptionOf:string]
+                  appendText:@" ignoring case"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_equalToIgnoringCase(NSString *aString)
+{
+    return [HCIsEqualIgnoringCase isEqualIgnoringCase:aString];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.h
new file mode 100644
index 0000000..0edabbb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.h
@@ -0,0 +1,50 @@
+//
+//  OCHamcrest - HCIsEqualIgnoringWhiteSpace.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCIsEqualIgnoringWhiteSpace : HCBaseMatcher
+{
+    NSString *originalString;
+    NSString *strippedString;
+}
+
++ (id)isEqualIgnoringWhiteSpace:(NSString *)aString;
+- (id)initWithString:(NSString *)aString;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_equalToIgnoringWhiteSpace(NSString *aString);
+
+/**
+    equalToIgnoringWhiteSpace(aString) -
+    Matches if object is a string equal to a given string, ignoring differences in whitespace.
+
+    @param aString  The string to compare against as the expected value. This value must not be @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it compares it with 
+    @a aString, ignoring differences in runs of whitespace.
+    
+    Example:
+    
+    @par
+    @ref equalToIgnoringWhiteSpace(@"hello world")
+    
+    will match @verbatim "hello   world" @endverbatim
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_equalToIgnoringWhiteSpace instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define equalToIgnoringWhiteSpace HC_equalToIgnoringWhiteSpace
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.m
new file mode 100644
index 0000000..13b86df
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCIsEqualIgnoringWhiteSpace.m
@@ -0,0 +1,97 @@
+//
+//  OCHamcrest - HCIsEqualIgnoringWhiteSpace.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCIsEqualIgnoringWhiteSpace.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+
+
+static void removeTrailingSpace(NSMutableString *string)
+{
+    NSUInteger length = [string length];
+    if (length > 0)
+    {
+        NSUInteger charIndex = length - 1;
+        if (isspace([string characterAtIndex:charIndex]))
+            [string deleteCharactersInRange:NSMakeRange(charIndex, 1)];
+    }
+}
+
+static NSMutableString *stripSpace(NSString *string)
+{
+    NSUInteger length = [string length];
+    NSMutableString *result = [NSMutableString stringWithCapacity:length];
+    bool lastWasSpace = true;
+    for (NSUInteger charIndex = 0; charIndex < length; ++charIndex)
+    {
+        unichar character = [string characterAtIndex:charIndex];
+        if (isspace(character))
+        {
+            if (!lastWasSpace)
+                [result appendString:@" "];
+            lastWasSpace = true;
+        }
+        else
+        {
+            [result appendFormat:@"%C", character];
+            lastWasSpace = false;
+        }
+    }
+        
+    removeTrailingSpace(result);
+    return result;
+}
+
+
+#pragma mark -
+
+@implementation HCIsEqualIgnoringWhiteSpace
+
++ (id)isEqualIgnoringWhiteSpace:(NSString *)aString
+{
+    return [[self alloc] initWithString:aString];
+}
+
+- (id)initWithString:(NSString *)aString
+{
+    HCRequireNonNilObject(aString);
+    
+    self = [super init];
+    if (self)
+    {
+        originalString = [aString copy];
+        strippedString = stripSpace(aString);
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item isKindOfClass:[NSString class]])
+        return NO;
+    
+    return [strippedString isEqualToString:stripSpace(item)];
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[description appendDescriptionOf:originalString]
+                  appendText:@" ignoring whitespace"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_equalToIgnoringWhiteSpace(NSString *aString)
+{
+    return [HCIsEqualIgnoringWhiteSpace isEqualIgnoringWhiteSpace:aString];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.h
new file mode 100644
index 0000000..9d6b46e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCStringContains.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCSubstringMatcher.h>
+
+
+@interface HCStringContains : HCSubstringMatcher
+
++ (id)stringContains:(NSString *)aSubstring;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_containsString(NSString *aSubstring);
+
+/**
+    containsString(aString) -
+    Matches if object is a string containing a given string.
+
+    @param aString  The string to search for. This value must not be @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it checks whether it 
+    contains @a aString.
+    
+    Example:
+    
+    @par
+    @ref containsString(@"def")
+    
+    will match "abcdefg".
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_containsString instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define containsString HC_containsString
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.m
new file mode 100644
index 0000000..43ee61c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContains.m
@@ -0,0 +1,41 @@
+//
+//  OCHamcrest - HCStringContains.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCStringContains.h"
+
+
+@implementation HCStringContains
+
++ (id)stringContains:(NSString *)aString
+{
+    return [[self alloc] initWithSubstring:aString];
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(rangeOfString:)])
+        return NO;
+    
+    return [item rangeOfString:substring].location != NSNotFound;
+}
+
+- (NSString *)relationship
+{
+    return @"containing";
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_containsString(NSString *aString)
+{
+    return [HCStringContains stringContains:aString];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.h
new file mode 100644
index 0000000..acf6714
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.h
@@ -0,0 +1,50 @@
+//
+//  OCHamcrest - HCStringContainsInOrder.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCStringContainsInOrder : HCBaseMatcher
+{
+    NSArray *substrings;
+}
+
++ (id)containsInOrder:(NSArray *)substringList;
+- (id)initWithSubstrings:(NSArray *)substringList;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_stringContainsInOrder(NSString *substring, ...) NS_REQUIRES_NIL_TERMINATION;
+
+/**
+    stringContainsInOrder(firstString, ...) -
+    Matches if object is a string containing a given list of substrings in relative order.
+
+    @param firstString,...  A comma-separated list of strings ending with @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it checks whether it 
+    contains a given list of strings, in relative order to each other. The searches are performed 
+    starting from the beginning of the evaluated string.
+    
+    Example:
+
+    @par
+    @ref stringContainsInOrder(@"bc", @"fg", @"jkl", nil)
+
+    will match "abcdefghijklm".
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_stringContainsInOrder instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define stringContainsInOrder HC_stringContainsInOrder
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.m
new file mode 100644
index 0000000..bb27680
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringContainsInOrder.m
@@ -0,0 +1,85 @@
+//
+//  OCHamcrest - HCStringContainsInOrder.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCStringContainsInOrder.h"
+
+#import "HCDescription.h"
+
+
+@implementation HCStringContainsInOrder
+
++ (id)containsInOrder:(NSArray *)substringList
+{
+    return [[self alloc] initWithSubstrings:substringList];
+}
+
+- (id)initWithSubstrings:(NSArray *)substringList
+{
+    self = [super init];
+    if (self)
+    {
+        for (id substring in substringList)
+        {
+            if (![substring isKindOfClass:[NSString class]])
+            {
+                @throw [NSException exceptionWithName:@"NotAString"
+                                               reason:@"Arguments must be strings"
+                                             userInfo:nil];
+            }
+        }
+        
+        substrings = substringList;
+    }
+    return self;
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item isKindOfClass:[NSString class]])
+        return NO;
+    
+    NSRange searchRange = NSMakeRange(0, [item length]);
+    for (NSString *substring in substrings)
+    {
+        NSRange substringRange = [item rangeOfString:substring options:0 range:searchRange];
+        if (substringRange.location == NSNotFound)
+            return NO;
+        searchRange.location = substringRange.location + substringRange.length;
+        searchRange.length = [item length] - searchRange.location;
+    }
+    return YES;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendList:substrings start:@"a string containing " separator:@", " end:@" in order"];
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_stringContainsInOrder(NSString *substring, ...)
+{
+    va_list args;
+    va_start(args, substring);
+    NSMutableArray *substringList = [NSMutableArray arrayWithObject:substring];
+    
+    substring = va_arg(args, NSString *);
+    while (substring != nil)
+    {
+        [substringList addObject:substring];
+        substring = va_arg(args, NSString *);
+    }
+    
+    va_end(args);
+    
+    return [HCStringContainsInOrder containsInOrder:substringList];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.h
new file mode 100644
index 0000000..f948cef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCStringEndsWith.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCSubstringMatcher.h>
+
+
+@interface HCStringEndsWith : HCSubstringMatcher
+
++ (id)stringEndsWith:(NSString *)aSubstring;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_endsWith(NSString *aSubstring);
+
+/**
+    endsWith(aString) -
+    Matches if object is a string ending with a given string.
+
+    @param aString  The string to search for. This value must not be @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it checks if
+    @a aString matches the ending characters of the evaluated object.
+    
+    Example:
+    
+    @par
+    @ref endsWith(@"bar")
+    
+    will match "foobar".
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_endsWith instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define endsWith HC_endsWith
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.m
new file mode 100644
index 0000000..31a72c0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringEndsWith.m
@@ -0,0 +1,41 @@
+//
+//  OCHamcrest - HCStringEndsWith.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCStringEndsWith.h"
+
+
+@implementation HCStringEndsWith
+
++ (id)stringEndsWith:(NSString *)aString
+{
+    return [[self alloc] initWithSubstring:aString];
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(hasSuffix:)])
+        return NO;
+    
+    return [item hasSuffix:substring];
+}
+
+- (NSString *)relationship
+{
+    return @"ending with";
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_endsWith(NSString *aString)
+{
+    return [HCStringEndsWith stringEndsWith:aString];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.h
new file mode 100644
index 0000000..be913ac
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.h
@@ -0,0 +1,45 @@
+//
+//  OCHamcrest - HCStringStartsWith.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCSubstringMatcher.h>
+
+
+@interface HCStringStartsWith : HCSubstringMatcher
+
++ (id)stringStartsWith:(NSString *)aSubstring;
+
+@end
+
+
+OBJC_EXPORT id<HCMatcher> HC_startsWith(NSString *aSubstring);
+
+/**
+    startsWith(aString) -
+    Matches if object is a string starting with a given string.
+
+    @param aString  The string to search for. This value must not be @c nil.
+    
+    This matcher first checks whether the evaluated object is a string. If so, it checks if
+    @a aString matches the beginning characters of the evaluated object.
+    
+    Example:
+    
+    @par
+    @ref endsWith(@"foo")
+    
+    will match "foobar".
+
+    (In the event of a name clash, don't \#define @c HC_SHORTHAND and use the synonym
+    @c HC_startsWith instead.)
+
+    @ingroup text_matchers
+ */
+#ifdef HC_SHORTHAND
+    #define startsWith HC_startsWith
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.m
new file mode 100644
index 0000000..8c94bcf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCStringStartsWith.m
@@ -0,0 +1,41 @@
+//
+//  OCHamcrest - HCStringStartsWith.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCStringStartsWith.h"
+
+
+@implementation HCStringStartsWith
+
++ (id)stringStartsWith:(NSString *)aSubstring
+{
+    return [[self alloc] initWithSubstring:aSubstring];
+}
+
+- (BOOL)matches:(id)item
+{
+    if (![item respondsToSelector:@selector(hasPrefix:)])
+        return NO;
+    
+    return [item hasPrefix:substring];
+}
+
+- (NSString *)relationship
+{
+    return @"starting with";
+}
+
+@end
+
+
+#pragma mark -
+
+id<HCMatcher> HC_startsWith(NSString *aString)
+{
+    return [HCStringStartsWith stringStartsWith:aString];
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.h
new file mode 100644
index 0000000..7b48ed7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.h
@@ -0,0 +1,20 @@
+//
+//  OCHamcrest - HCSubstringMatcher.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface HCSubstringMatcher : HCBaseMatcher
+{
+    NSString *substring;
+}
+
+- (id)initWithSubstring:(NSString *)aString;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.m
new file mode 100644
index 0000000..3dcec99
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Library/Text/HCSubstringMatcher.m
@@ -0,0 +1,41 @@
+//
+//  OCHamcrest - HCSubstringMatcher.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "HCSubstringMatcher.h"
+
+#import "HCDescription.h"
+#import "HCRequireNonNilObject.h"
+
+
+@interface HCSubstringMatcher (SubclassResponsibility)
+- (NSString *)relationship;
+@end
+
+
+@implementation HCSubstringMatcher
+
+- (id)initWithSubstring:(NSString *)aString
+{
+    HCRequireNonNilObject(aString);
+    
+    self = [super init];
+    if (self)
+        substring = [aString copy];
+    return self;
+}
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [[[[description appendText:@"a string "]
+                    appendText:[self relationship]]
+                    appendText:@" "]
+                    appendDescriptionOf:substring];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MainPage.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MainPage.h
new file mode 100644
index 0000000..c22a3d5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MainPage.h
@@ -0,0 +1,216 @@
+//
+//  OCHamcrest - MainPage.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+
+/**
+    @mainpage OCHamcrest
+
+    @section contents Contents:
+    @li @ref whatisit
+    @li @ref addtoproject
+    @li @ref firsttest
+    @li @ref predefined
+    @li @ref sugar
+    @li @ref custom
+    @li @ref resources
+
+
+    @section whatisit What is OCHamcrest?
+
+    OCHamcrest is:
+    @li a library of "matcher" objects that let you declare rules for whether a given object matches
+        the criteria or not.
+    @li a framework for writing your own matchers.
+
+    Matchers are useful for a variety of purposes, such as UI validation. But they're most commonly
+    used for writing unit tests that are expressive and flexible.
+
+    OCHamcrest is used for both Mac and iOS development with:
+    @li OCUnit (SenTestingKit) built in to Xcode
+    @li Google Toolbox for Mac (GTM)
+    @li GHUnit
+    @li Cedar BDD framework
+    @li OCMock
+    @li OCMockito
+
+
+    @section addtoproject How do I add OCHamcrest to my project?
+
+    @b Building:
+
+    If you want to build OCHamcrest yourself, cd to the Source folder, then
+    @code
+$ ./MakeDistribution.sh
+    @endcode
+
+    Or just use the pre-built release available in
+    <a href="https://github.com/hamcrest/OCHamcrest/downloads">Downloads</a>.
+
+    @b Mac Project Setup:
+
+    Add OCHamcrest.framework to your project.
+
+    Add a Copy Files build phase to copy OCHamcrest.framework to your Products Directory. For
+    unit test bundles, make sure this Copy Files phase comes before the Run Script phase that
+    executes tests.
+
+    Add:
+    @code
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+    @endcode
+
+	Note: If your Console shows @code
+otest[57510:203] *** NSTask: Task create for path '...' failed: 22, "Invalid argument".  Terminating temporary process.
+	@endcode
+	double-check your Copy Files phase.
+
+    @b iOS Project Setup:
+
+    Add OCHamcrestIOS.framework to your project.
+
+    Add:
+    @code
+#define HC_SHORTHAND
+#import <OCHamcrestIOS/OCHamcrestIOS.h>
+    @endcode
+
+
+    @section firsttest My first OCHamcrest test
+
+    We'll start by writing a very simple Xcode unit test, but instead of using OCUnit's
+    @c STAssertEqualObjects function, we'll use OCHamcrest's @c assertThat construct and a
+    predefined matcher:
+
+    @code
+#import <SenTestingKit/SenTestingKit.h>
+
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+
+@interface BiscuitTest : SenTestCase
+@end
+
+@implementation BiscuitTest
+
+- (void)testEquals
+{
+    Biscuit* theBiscuit = [Biscuit biscuitNamed:@"Ginger"];
+    Biscuit* myBiscuit = [Biscuit biscuitNamed:@"Ginger"];
+    assertThat(theBiscuit, equalTo(myBiscuit));
+}
+
+@end
+    @endcode
+
+    The @ref assertThat function is a stylized sentence for making a test assertion. In this
+    example, the subject of the assertion is the object @c theBiscuit, which is the first method
+    parameter. The second method parameter is a matcher for @c Biscuit objects, here a matcher that
+    checks one object is equal to another using the @c -isEqual: method. The test passes since the
+    @c Biscuit class defines an @c -isEqual: method.
+
+    OCHamcrest's functions are actually declared with an "HC" package prefix (such as
+    @c HC_assertThat and @c HC_equalTo) to avoid name clashes. To make test writing faster and test
+    code more legible, shorthand macros are provided if @c HC_SHORTHAND is defined before including
+    the OCHamcrest header. For example, instead of writing @ref HC_assertThat, simply write
+    @ref assertThat.
+
+
+    @section predefined Predefined matchers
+
+    OCHamcrest comes with a library of useful matchers:
+
+    <ul>
+    <li>Object</li>
+        <ul>
+        <li>@ref conformsTo - match object that conforms to protocol</li>
+        <li>@ref equalTo - match equal object</li>
+        <li>@ref hasDescription - match object's @c -description</li>
+		<li>@ref hasProperty - match return value of method with given name</li>
+        <li>@ref instanceOf - match object type</li>
+        <li>@ref nilValue, @ref notNilValue - match @c nil, or not @c nil</li>
+        <li>@ref sameInstance - match same object</li>
+        </ul>
+    <li>Number</li>
+        <ul>
+        <li>@ref closeTo - match number close to a given value</li>
+        <li>@b equalTo&lt;TypeName&gt; - match number equal to a primitive number (such as @ref equalToInt for an @c int)</li>
+        <li>@ref greaterThan, @ref greaterThanOrEqualTo, @ref lessThan, @ref lessThanOrEqualTo - match numeric ordering</li>
+        </ul>
+    <li>Text</li>
+        <ul>
+        <li>@ref containsString - match part of a string</li>
+        <li>@ref endsWith - match the end of a string</li>
+        <li>@ref equalToIgnoringCase - match the complete string but ignore case</li>
+        <li>@ref equalToIgnoringWhitespace - match the complete string but ignore extra whitespace</li>
+        <li>@ref startsWith - match the beginning of a string</li>
+        <li>@ref stringContainsInOrder - match parts of a string, in relative order</li>
+        </ul>
+    <li>Logical</li>
+        <ul>
+        <li>@ref allOf - "and" together all matchers</li>
+        <li>@ref anyOf - "or" together all matchers</li>
+        <li>@ref anything - match anything (useful in composite matchers when you don't care about a particular value)</li>
+        <li>@ref isNot - negate the matcher</li>
+        </ul>
+    <li>Collection</li>
+        <ul>
+        <li>@ref contains - exactly match the entire collection</li>
+        <li>@ref containsInAnyOrder - match the entire collection, but in any order</li>
+        <li>@ref empty - match empty collection</li>
+        <li>@ref hasCount - match number of elements against another matcher</li>
+        <li>@ref hasCountOf - match collection with given number of elements</li>
+        <li>@ref hasEntries - match dictionary with list of key-value pairs</li>
+        <li>@ref hasEntry - match dictionary containing a key-value pair</li>
+        <li>@ref hasItem - match if given item appears in the collection</li>
+        <li>@ref hasItems - match if all given items appears in the collection, in any order</li>
+        <li>@ref hasKey - match dictionary with a key</li>
+        <li>@ref hasValue - match dictionary with a value</li>
+        <li>@ref onlyContains -  match if collection's items appear in given list</li>
+        </ul>
+    <li>Decorator</li>
+        <ul>
+        <li>@ref describedAs - give the matcher a custom failure description</li>
+        <li>@ref is - decorator to improve readability - see @ref sugar, below</li>
+        </ul>
+    </ul>
+
+    The arguments for many of these matchers accept not just a matching value, but another matcher,
+    so matchers can be composed for greater flexibility. For example,
+    <tt>only_contains(endsWith(\@"."))</tt> will match any collection where every item is a string
+    ending with period.
+
+
+    @section sugar Syntactic sugar
+
+    OCHamcrest strives to make your tests as readable as possible. For example, the @ref is matcher
+    is a wrapper that doesn't add any extra behavior to the underlying matcher. The following
+    assertions are all equivalent:
+
+    @code
+assertThat(theBiscuit, equalTo(myBiscuit));
+assertThat(theBiscuit, is(equalTo(myBiscuit)));
+assertThat(theBiscuit, is(myBiscuit));
+    @endcode
+
+
+    @section custom Writing custom matchers
+
+    A key feature of OCHamcrest is its extensibility. See @ref custom-matchers for an example of how
+    to write your own matchers.
+
+
+    @section resources More resources
+
+    @li <a href="https://github.com/hamcrest/OCHamcrest">Sources</a>
+    @li <a href="http://hamcrest.org/">Hamcrest</a>
+    @li <a href="http://qualitycoding.org/">Quality Coding</a> - Tools, tips &amp; techniques for
+        <em>building quality in</em> to iOS development
+
+ */
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDistribution.sh b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDistribution.sh
new file mode 100755
index 0000000..9249284
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDistribution.sh
@@ -0,0 +1,57 @@
+VERSION=1.9
+DISTFILE=OCHamcrest-${VERSION}
+DISTPATH=build/${DISTFILE}
+PROJECTROOT=..
+DOCSET=build/Documentation/org.hamcrest.OCHamcrest.docset
+
+echo Preparing clean build
+rm -rf build
+mkdir build
+
+echo Building OCHamcrest - Release
+xcodebuild -configuration Release -target OCHamcrest
+OUT=$?
+if [ "${OUT}" -ne "0" ]; then
+    echo OCHamcrest release build failed
+    exit ${OUT}
+fi
+
+echo Building OCHamcrestIOS - Release
+source MakeIOSFramework.sh
+OUT=$?
+if [ "${OUT}" -ne "0" ]; then
+    echo OCHamcrestIOS release build failed
+    exit ${OUT}
+fi
+
+echo Building Documentation
+source MakeDocumentation.sh
+
+echo Assembling Distribution
+rm -rf "${DISTPATH}"
+mkdir "${DISTPATH}"
+cp -R "build/Release/OCHamcrest.framework" "${DISTPATH}"
+cp -R "build/Release/OCHamcrestIOS.framework" "${DISTPATH}"
+cp "${PROJECTROOT}/README.md" "${DISTPATH}"
+cp "${PROJECTROOT}/CHANGES.txt" "${DISTPATH}"
+cp "${PROJECTROOT}/LICENSE.txt" "${DISTPATH}"
+cp -R "${PROJECTROOT}/Examples" "${DISTPATH}"
+mkdir "${DISTPATH}/Documentation"
+cp -R "${DOCSET}" "${DISTPATH}/Documentation"
+cp "${PROJECTROOT}/Documentation/Makefile" "${DISTPATH}/Documentation"
+cp "${PROJECTROOT}/Documentation/README.txt" "${DISTPATH}/Documentation"
+
+find "${DISTPATH}/Examples" -type d \( -name 'build' -or -name 'xcuserdata' -or -name '.svn' -or -name '.git' \) | while read DIR
+do
+    rm -R "${DIR}";
+done
+
+find "${DISTPATH}/Examples" -type f \( -name '*.pbxuser' -or -name '*.perspectivev3' -or -name '*.mode1v3' -or -name '.DS_Store' -or -name '.gitignore' \) | while read FILE
+do
+    rm "${FILE}";
+done
+
+pushd build
+zip --recurse-paths --symlinks ${DISTFILE}.zip ${DISTFILE}
+open .
+popd
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDocumentation.sh b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDocumentation.sh
new file mode 100755
index 0000000..968838d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeDocumentation.sh
@@ -0,0 +1,13 @@
+DOXYGEN=/Applications/Doxygen.app/Contents/Resources/doxygen
+
+if ! [ -f $DOXYGEN ]; then
+  echo :: error : Requires Doxygen in Applications folder
+  exit 1
+fi
+
+$DOXYGEN "../Documentation/Doxyfile"
+
+# Generate Xcode documentation set
+pushd build/Documentation
+make
+popd
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeIOSFramework.sh b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeIOSFramework.sh
new file mode 100755
index 0000000..f93469a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/MakeIOSFramework.sh
@@ -0,0 +1,48 @@
+# First build the OS X framework to get its folder structure.
+xcodebuild -configuration Release -target OCHamcrest -sdk macosx
+
+# We'll copy the OS X framework to a new location, then modify it in place.
+OSX_FRAMEWORK="build/Release/OCHamcrest.framework/"
+IOS_FRAMEWORK="build/Release/OCHamcrestIOS.framework/"
+
+# Trigger builds of the static library for both the simulator and the device.
+xcodebuild -configuration Release -target libochamcrest -sdk iphoneos
+OUT=$?
+if [ "${OUT}" -ne "0" ]; then
+    echo Device build failed
+    exit ${OUT}
+fi
+xcodebuild -configuration Release -target libochamcrest -sdk iphonesimulator
+OUT=$?
+if [ "${OUT}" -ne "0" ]; then
+    echo Simulator build failed
+    exit ${OUT}
+fi
+
+# Copy the OS X framework to the new location.
+mkdir -p "${IOS_FRAMEWORK}"
+rsync -q -a --delete "${OSX_FRAMEWORK}" "${IOS_FRAMEWORK}"
+
+# Rename the main header.
+mv "${IOS_FRAMEWORK}/Headers/OCHamcrest.h" "${IOS_FRAMEWORK}/Headers/OCHamcrestIOS.h"
+
+# Update all imports to use the new framework name.
+IMPORT_EXPRESSION="s/#import <OCHamcrest/#import <OCHamcrestIOS/g;"
+find "${IOS_FRAMEWORK}" -name '*.h' -print0 | xargs -0 perl -pi -e "${IMPORT_EXPRESSION}"
+
+# Delete the existing (OS X) library and the link to it.
+rm "${IOS_FRAMEWORK}/OCHamcrest" "${IOS_FRAMEWORK}/Versions/Current/OCHamcrest"
+
+# Create a new library that is a fat library containing both static libraries.
+DEVICE_LIB="build/Release-iphoneos/libochamcrest.a"
+SIMULATOR_LIB="build/Release-iphonesimulator/libochamcrest.a"
+OUTPUT_LIB="${IOS_FRAMEWORK}/Versions/Current/OCHamcrestIOS"
+
+lipo -create "${DEVICE_LIB}" -arch i386 "${SIMULATOR_LIB}" -o "${OUTPUT_LIB}"
+
+# Add a symlink, as required by the framework.
+ln -s Versions/Current/OCHamcrestIOS "${IOS_FRAMEWORK}/OCHamcrestIOS"
+
+# Update the name in the plist file.
+NAME_EXPRESSION="s/OCHamcrest/OCHamcrestIOS/g;"
+perl -pi -e "${NAME_EXPRESSION}" "${IOS_FRAMEWORK}/Resources/Info.plist"
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Info.plist
new file mode 100644
index 0000000..73e2a0b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Info.plist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>org.hamcrest.${PRODUCT_NAME}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.9</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.9</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2012 hamcrest.org</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Prefix.pch
new file mode 100644
index 0000000..e244fd4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest-Prefix.pch
@@ -0,0 +1,10 @@
+//
+// Prefix header for all source files of the 'OCHamcrest' target in the 'OCHamcrest' project.
+//
+
+#ifdef __OBJC__
+
+#import <Foundation/Foundation.h>
+#import <objc/objc-api.h>
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.h
new file mode 100644
index 0000000..f7fc4e8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.h
@@ -0,0 +1,137 @@
+//
+//  OCHamcrest - OCHamcrest.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+/**
+    @defgroup library Matcher Library
+
+    Library of Matcher implementations.
+ */
+
+/**
+    @defgroup object_matchers Object Matchers
+
+    Matchers that inspect objects.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCConformsToProtocol.h>
+#import <OCHamcrest/HCHasDescription.h>
+#import <OCHamcrest/HCHasProperty.h>
+#import <OCHamcrest/HCIsEqual.h>
+#import <OCHamcrest/HCIsInstanceOf.h>
+#import <OCHamcrest/HCIsNil.h>
+#import <OCHamcrest/HCIsSame.h>
+
+/**
+    @defgroup collection_matchers Collection Matchers
+
+    Matchers of collections.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCHasCount.h>
+#import <OCHamcrest/HCIsCollectionContaining.h>
+#import <OCHamcrest/HCIsCollectionContainingInAnyOrder.h>
+#import <OCHamcrest/HCIsCollectionContainingInOrder.h>
+#import <OCHamcrest/HCIsCollectionOnlyContaining.h>
+#import <OCHamcrest/HCIsDictionaryContaining.h>
+#import <OCHamcrest/HCIsDictionaryContainingEntries.h>
+#import <OCHamcrest/HCIsDictionaryContainingKey.h>
+#import <OCHamcrest/HCIsDictionaryContainingValue.h>
+#import <OCHamcrest/HCIsEmptyCollection.h>
+#import <OCHamcrest/HCIsIn.h>
+
+/**
+    @defgroup number_matchers Number Matchers
+
+    Matchers that perform numeric comparisons.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCIsCloseTo.h>
+#import <OCHamcrest/HCOrderingComparison.h>
+
+/**
+    @defgroup primitive_number_matchers Primitive Number Matchers
+
+    Matchers for testing equality against primitive numeric types.
+
+    @ingroup number_matchers
+ */
+#import <OCHamcrest/HCIsEqualToNumber.h>
+
+/**
+    @defgroup text_matchers Text Matchers
+
+    Matchers that perform text comparisons.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCIsEqualIgnoringCase.h>
+#import <OCHamcrest/HCIsEqualIgnoringWhiteSpace.h>
+#import <OCHamcrest/HCStringContains.h>
+#import <OCHamcrest/HCStringContainsInOrder.h>
+#import <OCHamcrest/HCStringEndsWith.h>
+#import <OCHamcrest/HCStringStartsWith.h>
+
+/**
+    @defgroup logical_matchers Logical Matchers
+
+    Boolean logic using other matchers.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCAllOf.h>
+#import <OCHamcrest/HCAnyOf.h>
+#import <OCHamcrest/HCIsAnything.h>
+#import <OCHamcrest/HCIsNot.h>
+
+/**
+    @defgroup decorator_matchers Decorator Matchers
+
+    Matchers that decorate other matchers for better expression.
+
+    @ingroup library
+ */
+#import <OCHamcrest/HCDescribedAs.h>
+#import <OCHamcrest/HCIs.h>
+
+/**
+    @defgroup integration Unit Test Integration
+ */
+#import <OCHamcrest/HCAssertThat.h>
+
+/**
+    @defgroup integration_numeric Unit Tests of Primitive Numbers
+
+    Unit test integration for primitive numbers.
+    
+    The @c assertThat&lt;Type&gt; macros convert the primitive actual value to an @c NSNumber,
+    passing that to the matcher for evaluation. If the matcher is not satisfied, an exception is
+    thrown describing the mismatch.
+
+    This family of macros is designed to integrate well with OCUnit and other unit testing
+    frameworks. Unmet assertions are reported as test failures. In Xcode, they can be clicked to
+    reveal the line of the assertion.
+
+    @ingroup integration
+ */
+#import <OCHamcrest/HCNumberAssert.h>
+
+/**
+    @defgroup core Core API
+ */
+
+/**
+    @defgroup helpers Helpers
+
+    Utilities for writing Matchers.
+
+    @ingroup core
+ */
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..0e5fed2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/project.pbxproj
@@ -0,0 +1,1490 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		08026528134597C000A8DCCA /* HCAssertThat.m in Sources */ = {isa = PBXBuildFile; fileRef = 0876022D13440A83001B439B /* HCAssertThat.m */; };
+		08026529134597C000A8DCCA /* HCBaseDescription.m in Sources */ = {isa = PBXBuildFile; fileRef = 0876022F13440A83001B439B /* HCBaseDescription.m */; };
+		0802652A134597C000A8DCCA /* HCBaseMatcher.m in Sources */ = {isa = PBXBuildFile; fileRef = 0876023113440A83001B439B /* HCBaseMatcher.m */; };
+		0802652B134597C000A8DCCA /* HCCollectMatchers.m in Sources */ = {isa = PBXBuildFile; fileRef = 0876023913440A83001B439B /* HCCollectMatchers.m */; };
+		0802652D134597C000A8DCCA /* HCHasCount.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602D113440A9E001B439B /* HCHasCount.m */; };
+		0802652E134597C000A8DCCA /* HCHasDescription.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602F213440A9F001B439B /* HCHasDescription.m */; };
+		0802652F134597C000A8DCCA /* HCInvocationMatcher.m in Sources */ = {isa = PBXBuildFile; fileRef = 0876023B13440A83001B439B /* HCInvocationMatcher.m */; };
+		08026532134597C000A8DCCA /* HCIsCloseTo.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602E913440A9F001B439B /* HCIsCloseTo.m */; };
+		08026533134597C000A8DCCA /* HCIsCollectionContaining.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602D313440A9E001B439B /* HCIsCollectionContaining.m */; };
+		08026534134597C000A8DCCA /* HCIsCollectionContainingInAnyOrder.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602D513440A9E001B439B /* HCIsCollectionContainingInAnyOrder.m */; };
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+		08026537134597C000A8DCCA /* HCIsDictionaryContaining.m in Sources */ = {isa = PBXBuildFile; fileRef = 087602DB13440A9E001B439B /* HCIsDictionaryContaining.m */; };
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diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/OCHamcrest.xcscheme b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/OCHamcrest.xcscheme
new file mode 100644
index 0000000..7ac41d1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/OCHamcrest.xcscheme
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0450"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
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+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
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+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "087601E113440806001B439B"
+               BuildableName = "OCHamcrest.framework"
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+               ReferencedContainer = "container:OCHamcrest.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
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+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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+      buildConfiguration = "Debug">
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+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "087601F613440807001B439B"
+               BuildableName = "OCHamcrestTests.octest"
+               BlueprintName = "OCHamcrestTests"
+               ReferencedContainer = "container:OCHamcrest.xcodeproj">
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+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
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+   </LaunchAction>
+   <ProfileAction
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+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
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+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
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diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/libochamcrest.xcscheme b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/libochamcrest.xcscheme
new file mode 100644
index 0000000..d737a41
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/OCHamcrest.xcodeproj/xcshareddata/xcschemes/libochamcrest.xcscheme
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0450"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
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+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "081BEE611345979F003F846A"
+               BuildableName = "libochamcrest.a"
+               BlueprintName = "libochamcrest"
+               ReferencedContainer = "container:OCHamcrest.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "081BEE6B1345979F003F846A"
+               BuildableName = "libochamcrestTests.octest"
+               BlueprintName = "libochamcrestTests"
+               ReferencedContainer = "container:OCHamcrest.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
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+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
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diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests-Info.plist
new file mode 100644
index 0000000..3ce3b06
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests-Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>org.hamcrest.Tests</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.h
new file mode 100644
index 0000000..d796dcb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.h
@@ -0,0 +1,23 @@
+//
+//  OCHamcrest - FakeWithCount.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface FakeWithCount : NSObject
+{
+    NSUInteger count;
+}
+
+@property (readonly, nonatomic) NSUInteger count;
+
++ (id)fakeWithCount:(NSUInteger)fakeCount;
+- (id)initWithCount:(NSUInteger)fakeCount;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.m
new file mode 100644
index 0000000..8c37e88
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithCount.m
@@ -0,0 +1,36 @@
+//
+//  OCHamcrest - FakeWithCount.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "FakeWithCount.h"
+
+
+@implementation FakeWithCount
+
+@synthesize count;
+
+
++ (id)fakeWithCount:(NSUInteger)fakeCount
+{
+    return [[self alloc] initWithCount:fakeCount];
+}
+
+- (id)initWithCount:(NSUInteger)fakeCount
+{
+    self = [super init];
+    if (self)
+        count = fakeCount;
+    return self;
+}
+
+- (NSString *)description
+{
+    return @"FakeWithCount";
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.h
new file mode 100644
index 0000000..c589ff2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.h
@@ -0,0 +1,17 @@
+//
+//  OCHamcrest - FakeWithoutCount.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <Foundation/Foundation.h>
+
+
+@interface FakeWithoutCount : NSObject
+
++ (id)fake;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.m
new file mode 100644
index 0000000..40f7166
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/FakeWithoutCount.m
@@ -0,0 +1,25 @@
+//
+//  OCHamcrest - FakeWithoutCount.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "FakeWithoutCount.h"
+
+
+@implementation FakeWithoutCount
+
++ (id)fake
+{
+    return [[self alloc] init];
+}
+
+- (NSString *)description
+{
+    return @"FakeWithoutCount";
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/HasCountTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/HasCountTest.m
new file mode 100644
index 0000000..13b6563
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/HasCountTest.m
@@ -0,0 +1,128 @@
+//
+//  OCHamcrest - HasCountTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCHasCount.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqualToNumber.h>
+#import <OCHamcrest/HCOrderingComparison.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+#import "FakeWithCount.h"
+#import "FakeWithoutCount.h"
+
+
+@interface HasCountTest : AbstractMatcherTest
+@end
+
+@implementation HasCountTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasCount(equalToUnsignedInteger(42));
+}
+
+- (void)testConvertsCountToNSNumberAndPassesToNestedMatcher
+{
+    FakeWithCount *fakeWithCount = [FakeWithCount fakeWithCount:5];
+    
+    assertMatches(@"same number", hasCount(equalToUnsignedInteger(5)), fakeWithCount);
+    assertDoesNotMatch(@"different number", hasCount(equalToUnsignedInteger(6)), fakeWithCount);
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a collection with count of a value greater than <5>",
+                      hasCount(greaterThan(@(5))));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(hasCountOf(2), ([NSSet setWithObjects:@"a", @"b", nil]));
+}
+
+- (void)testMismatchDescriptionForItemWithWrongCount
+{
+    assertMismatchDescription(@"was count of <42> with <FakeWithCount>",
+                              hasCount(equalToUnsignedInteger(1)),
+                              [FakeWithCount fakeWithCount:42]);
+}
+
+- (void)testMismatchDescriptionForItemWithoutCount
+{
+    assertMismatchDescription(@"was <FakeWithoutCount>",
+                              hasCount(equalToUnsignedInteger(1)), [FakeWithoutCount fake]);
+}
+
+- (void)testDescribesMismatchForItemWithWrongCount
+{
+    assertDescribeMismatch(@"was count of <42> with <FakeWithCount>",
+                           hasCount(equalToUnsignedInteger(1)), [FakeWithCount fakeWithCount:42]);
+}
+
+- (void)testDescribesMismatchForItemWithoutCount
+{
+    assertDescribeMismatch(@"was <FakeWithoutCount>",
+                           hasCount(equalToUnsignedInteger(1)), [FakeWithoutCount fake]);
+}
+
+@end
+
+
+#pragma mark -
+
+@interface HasCountOfTest : AbstractMatcherTest
+@end
+
+@implementation HasCountOfTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasCountOf(42);
+}
+
+- (void)testHasCountOfIsShortcutForEqualToUnsignedInteger
+{
+    FakeWithCount *fakeWithCount = [FakeWithCount fakeWithCount:5];
+    
+    assertMatches(@"same number", hasCountOf(5), fakeWithCount);
+    assertDoesNotMatch(@"different number", hasCountOf(6), fakeWithCount);
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a collection with count of <5>", hasCountOf(5));
+}
+
+- (void)testMismatchDescriptionForItemWithWrongCount
+{
+    assertMismatchDescription(@"was count of <42> with <FakeWithCount>",
+                              hasCountOf(1), [FakeWithCount fakeWithCount:42]);
+}
+
+- (void)testMismatchDescriptionForItemWithoutCount
+{
+    assertMismatchDescription(@"was <FakeWithoutCount>", hasCountOf(1), [FakeWithoutCount fake]);
+}
+
+- (void)testDescribesMismatchForItemWithWrongCount
+{
+    assertDescribeMismatch(@"was count of <42> with <FakeWithCount>",
+                           hasCountOf(1), [FakeWithCount fakeWithCount:42]);
+}
+
+- (void)testDescribesMismatchForItemWithoutCount
+{
+    assertDescribeMismatch(@"was <FakeWithoutCount>", hasCountOf(1), [FakeWithoutCount fake]);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInAnyOrderTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInAnyOrderTest.m
new file mode 100644
index 0000000..ee92183
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInAnyOrderTest.m
@@ -0,0 +1,114 @@
+//
+//  OCHamcrest - IsCollectionContainingInAnyOrderTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsCollectionContainingInAnyOrder.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsCollectionContainingInAnyOrderTest : AbstractMatcherTest
+@end
+
+@implementation IsCollectionContainingInAnyOrderTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return containsInAnyOrder(equalTo(@"irrelevant"), nil);
+}
+
+- (void)testMatchingSingleItemCollection
+{
+    assertMatches(@"Single item collection",
+                  (containsInAnyOrder(equalTo(@"a"), nil)), ([NSArray arrayWithObjects:@"a", nil]));
+}
+
+- (void)testMatchesCollectionInOfOrder
+{
+    assertMatches(@"In order",
+                  (containsInAnyOrder(equalTo(@"a"), equalTo(@"b"), nil)),
+                  ([NSArray arrayWithObjects:@"a", @"b", nil]));
+}
+
+- (void)testMatchesCollectionOutOfOrder
+{
+    assertMatches(@"Out of order",
+                  (containsInAnyOrder(equalTo(@"a"), equalTo(@"b"), nil)),
+                  ([NSArray arrayWithObjects:@"b", @"a", nil]));
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"Values automatically wrapped with equalTo",
+                  (containsInAnyOrder(@"a", @"b", nil)),
+                  ([NSArray arrayWithObjects:@"b", @"a", nil]));
+}
+
+- (void)testDoesNotMatchEmptyCollection
+{
+    assertMismatchDescription(@"no item matches: \"a\", \"b\" in []",
+                              (containsInAnyOrder(@"a", @"b", nil)), @[]);
+}
+
+- (void)testDoesNotMatchNil
+{
+    assertDoesNotMatch(@"Should not match nil", containsInAnyOrder(@"a", nil), nil);
+}
+
+- (void)testDoesNotMatchIfOneOfMultipleItemsMismatch
+{
+    assertMismatchDescription(@"not matched: \"d\"",
+                              (containsInAnyOrder(@"a", @"b", @"c", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", @"d", nil]));
+}
+
+- (void)testDoesNotMatchWithMoreElementsThanExpected
+{
+    assertMismatchDescription(@"not matched: \"b\"",
+                              (containsInAnyOrder(@"a", @"c", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testDoesNotMatchWithFewerElementsThanExpected
+{
+    assertMismatchDescription(@"no item matches: \"d\" in [\"a\", \"b\", \"c\"]",
+                              (containsInAnyOrder(@"a", @"b", @"c", @"d", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testDoesNotMatchObjectWithoutEnumerator
+{
+    assertDoesNotMatch(@"no enumerator",
+                       containsInAnyOrder(@"a", nil), [[NSObject alloc] init]);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a collection over [\"a\", \"b\"] in any order",
+                      containsInAnyOrder(@"a", @"b", nil));
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"not matched: \"c\"",
+                           (containsInAnyOrder(@"a", @"b", nil)),
+                           ([NSArray arrayWithObjects:@"a", @"c", nil]));
+}
+
+- (void)testDescribeMismatchOfNonCollection
+{
+    assertDescribeMismatch(@"was nil", (containsInAnyOrder(@"a", @"b", nil)), nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInOrderTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInOrderTest.m
new file mode 100644
index 0000000..4a460c0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingInOrderTest.m
@@ -0,0 +1,111 @@
+//
+//  OCHamcrest - IsCollectionContainingInOrderTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsCollectionContainingInOrder.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsCollectionContainingInOrderTest : AbstractMatcherTest
+@end
+
+@implementation IsCollectionContainingInOrderTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return contains(equalTo(@"irrelevant"), nil);
+}
+
+- (void)testMatchingSingleItemCollection
+{
+    assertMatches(@"Single item collection",
+                  (contains(equalTo(@"a"), nil)), ([NSArray arrayWithObjects:@"a", nil]));
+}
+
+- (void)testMatchingMultipleItemSequence
+{
+    assertMatches(@"Multiple item sequence",
+                  (contains(equalTo(@"a"), equalTo(@"b"), equalTo(@"c"), nil)),
+                  ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"Values automatically wrapped with equalTo",
+                  (contains(@"a", @"b", @"c", nil)),
+                  ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testDoesNotMatchWithMoreElementsThanExpected
+{
+    assertMismatchDescription(@"not matched: \"d\"",
+                              (contains(@"a", @"b", @"c", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", @"c", @"d", nil]));
+}
+
+- (void)testDoesNotMatchWithFewerElementsThanExpected
+{
+    assertMismatchDescription(@"no item matched: \"c\"",
+                              (contains(@"a", @"b", @"c", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", nil]));
+}
+
+- (void)testDoesNotMatchIfSingleItemMismatches
+{
+    assertMismatchDescription(@"item 0: was \"c\"",
+                              (contains(@"d", nil)), @[@"c"]);
+}
+
+- (void)testDoesNotMatchIfOneOfMultipleItemsMismatch
+{
+    assertMismatchDescription(@"item 2: was \"d\"",
+                              (contains(@"a", @"b", @"c", nil)),
+                              ([NSArray arrayWithObjects:@"a", @"b", @"d", nil]));
+}
+
+- (void)testDoesNotMatchNil
+{
+    assertDoesNotMatch(@"Should not match nil", contains(@"a", nil), nil);
+}
+
+- (void)testDoesNotMatchEmptyCollection
+{
+    assertMismatchDescription(@"no item matched: \"d\"", (contains(@"d", nil)), @[]);
+}
+
+- (void)testDoesNotMatchObjectWithoutEnumerator
+{
+    assertDoesNotMatch(@"should not match object without enumerator",
+                       contains(@"a", nil), [[NSObject alloc] init]);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a collection containing [\"a\", \"b\"]", contains(@"a", @"b", nil));
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"item 1: was \"c\"",
+                           (contains(@"a", @"b", nil)),
+                           ([NSArray arrayWithObjects:@"a", @"c", nil]));
+}
+
+- (void)testDescribeMismatchOfNonCollection
+{
+    assertDescribeMismatch(@"was nil", (contains(@"a", @"b", nil)), nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingTest.m
new file mode 100644
index 0000000..2dac962
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionContainingTest.m
@@ -0,0 +1,162 @@
+//
+//  OCHamcrest - IsCollectionContainingTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsCollectionContaining.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsCollectionContainingTest : AbstractMatcherTest
+@end
+
+@implementation IsCollectionContainingTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasItem(equalTo(@"irrelevant"));
+}
+
+- (void)testMatchesACollectionThatContainsAnElementMatchingTheGivenMatcher
+{
+    assertMatches(@"list contains 'a'",
+                  hasItem(equalTo(@"a")), ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testNoMatchIfCollectionDoesNotContainAnElementMatchingTheGivenMatcher
+{
+    assertDoesNotMatch(@"list without 'a'",
+                       hasItem(equalTo(@"a")), ([NSArray arrayWithObjects:@"b", @"c", nil]));    
+    assertDoesNotMatch(@"empty", hasItem(equalTo(@"a")), @[]);
+}
+
+- (void)testDoesNotMatchNil
+{
+    assertDoesNotMatch(@"should not match nil", hasItem(equalTo(@"a")), nil);
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"list contains 'a'",
+                  hasItem(@"a"), ([NSSet setWithObjects:@"a", @"b", @"c", nil]));
+    assertDoesNotMatch(@"list without 'a'",
+                       hasItem(@"a"), ([NSSet setWithObjects:@"b", @"c", nil]));
+}
+
+- (void)testDoesNotMatchObjectWithoutEnumerator
+{
+    assertDoesNotMatch(@"should not match object without enumerator",
+                       hasItem(@"a"), [[NSObject alloc] init]);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(hasItem(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a collection containing \"a\"", hasItem(@"a"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(hasItem(@"a"), ([NSSet setWithObjects:@"a", @"b", nil]));
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasItem(@"a"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasItem(@"a"), @"bad");
+}
+
+@end
+
+
+#pragma mark -
+
+@interface IsCollectionContainingItemsTest : AbstractMatcherTest
+@end
+
+@implementation IsCollectionContainingItemsTest
+
+- (void)testShouldMatchCollectionContainingAllItems
+{
+    assertMatches(@"contains all items",
+                  (hasItems(equalTo(@"a"), equalTo(@"b"), equalTo(@"c"), nil)),
+                  ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"contains all items",
+                  (hasItems(@"a", @"b", @"c", nil)),
+                  ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testShouldMatchCollectionContainingAllItemsInDifferentOrder
+{
+    assertMatches(@"all items in different order",
+                  (hasItems(@"a", @"b", @"c", nil)),
+                  ([NSArray arrayWithObjects:@"c", @"b", @"a", nil]));
+}
+
+- (void)testShouldMatchCollectionContainingAllItemsPlusExtras
+{
+    assertMatches(@"all items plus extras",
+                  (hasItems(@"a", @"b", @"c", nil)),
+                  ([NSArray arrayWithObjects:@"e", @"c", @"b", @"a", @"d", nil]));
+}
+
+- (void)testNoMatchIfCollectionDoesNotSatisfyAllMatchers
+{
+    assertDoesNotMatch(@"missing 'a'",
+                       (hasItems(equalTo(@"a"), equalTo(@"b"), equalTo(@"c"), nil)),
+                       ([NSArray arrayWithObjects:@"e", @"c", @"b", @"d", nil]));
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(hasItems(nil), @"Should require non-nil list");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"(a collection containing \"a\" and a collection containing \"b\")",
+                      hasItems(@"a", @"b", nil));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(hasItems(@"a", @"b", nil),
+                                ([NSSet setWithObjects:@"a", @"b", nil]));
+}
+
+- (void)testMismatchDescriptionShowsFirstUnmetMatcherAndActualArgument
+{
+    assertMismatchDescription(@"a collection containing \"a\" was \"bad\"",
+                              hasItems(@"a", @"b", nil), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"a collection containing \"a\" was \"bad\"",
+                           hasItems(@"a", @"b", nil), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionOnlyContainingTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionOnlyContainingTest.m
new file mode 100644
index 0000000..2a52186
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsCollectionOnlyContainingTest.m
@@ -0,0 +1,94 @@
+//
+//  OCHamcrest - IsCollectionOnlyContainingTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsCollectionOnlyContaining.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+#import <OCHamcrest/HCOrderingComparison.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsCollectionOnlyContainingTest : AbstractMatcherTest
+@end
+
+@implementation IsCollectionOnlyContainingTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return onlyContains(equalTo(@"irrelevant"), nil);
+}
+
+- (void)testMatchesSingletonCollection
+{
+    assertMatches(@"singleton collection",
+                  onlyContains(equalTo(@"a"), nil),
+                  ([NSSet setWithObject:@"a"]));
+}
+
+- (void)testMatchesAllItemsWithOneMatcher
+{
+    assertMatches(@"one matcher",
+                  onlyContains(lessThan(@"d"), nil),
+                  ([NSArray arrayWithObjects:@"a", @"b", @"c", nil]));
+}
+
+- (void)testMatchesAllItemsWithMultipleMatchers
+{
+    assertMatches(@"multiple matcher",
+                  onlyContains(lessThan(@"d"), equalTo(@"hi"), nil),
+                  ([NSArray arrayWithObjects:@"a", @"hi", @"b", @"c", nil]));
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"Values automatically wrapped with equal_to",
+                  onlyContains(lessThan(@"d"), @"hi", nil),
+                  ([NSArray arrayWithObjects:@"a", @"hi", @"b", @"c", nil]));
+}
+
+- (void)testDoesNotMatchCollectionWithMismatchingItem
+{
+    assertDoesNotMatch(@"d is not less than d",
+                       onlyContains(lessThan(@"d"), nil),
+                       ([NSArray arrayWithObjects:@"b", @"c", @"d", nil]));
+}
+
+- (void)testDoesNotMatchEmptyCollection
+{
+    assertDoesNotMatch(@"empty collection", onlyContains(equalTo(@"foo"), nil), (@[]));
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(onlyContains(nil), @"Should require non-nil list");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a collection containing items matching (\"a\" or \"b\")",
+                        onlyContains(@"a", @"b", nil));
+
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", (onlyContains(@"a", @"b", nil)), @"bad");
+}
+
+- (void)testDescribeMismatchOfNonCollection
+{
+    assertDescribeMismatch(@"was nil", (onlyContains(@"a", @"b", nil)), nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingEntriesTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingEntriesTest.m
new file mode 100644
index 0000000..0f2a3f3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingEntriesTest.m
@@ -0,0 +1,135 @@
+//
+//  OCHamcrest - IsDictionaryContainingEntriesTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsDictionaryContainingEntries.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsAnything.h>
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsDictionaryContainingEntriesTest : AbstractMatcherTest
+@end
+
+@implementation IsDictionaryContainingEntriesTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasEntries(@"irrelevant", @"irrelevant", nil);
+}
+
+- (void)testMatcherCreationRequiresEvenNumberOfArgs
+{
+    STAssertThrows(hasEntries(@"a", nil), @"Should require pairs of arguments");
+}
+
+- (void)testDoesNotMatchNonDictionary
+{
+    id object = [[NSObject alloc] init];
+    assertDoesNotMatch(@"not dictionary", hasEntries(@"a", equalTo(@"1"), nil), object);
+}
+
+- (void)testMatchesDictionaryContainingSingleKeyWithMatchingValue
+{
+    NSDictionary *dict = @{@"a": @"1",
+                          @"b": @"2"};
+    
+    assertMatches(@"has a:1", hasEntries(@"a", equalTo(@"1"), nil), dict);
+    assertMatches(@"has b:2", hasEntries(@"b", equalTo(@"2"), nil), dict);
+    assertDoesNotMatch(@"no b:3", hasEntries(@"b", equalTo(@"3"), nil), dict);
+    assertDoesNotMatch(@"no c:2", hasEntries(@"c", equalTo(@"2"), nil), dict);
+}
+
+- (void)testMatchesDictionaryContainingMultipleKeysWithMatchingValues
+{
+    NSDictionary *dict = @{@"a": @"1",
+                          @"b": @"2",
+                          @"c": @"3"};
+    
+    assertMatches(@"has a & b", hasEntries(@"a", equalTo(@"1"), @"b", equalTo(@"2"), nil), dict);
+    assertMatches(@"has c & a", hasEntries(@"c", equalTo(@"3"), @"a", equalTo(@"1"), nil), dict);
+    assertDoesNotMatch(@"no d:3", hasEntries(@"d", equalTo(@"3"), nil), dict);
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    NSDictionary *dict = @{@"a": @"1",
+                          @"b": @"2",
+                          @"c": @"3"};
+    
+    assertMatches(@"has a & b", hasEntries(@"a", @"1", @"b", @"2", nil), dict);
+    assertMatches(@"has c & a", hasEntries(@"c", @"3", @"a", @"1", nil), dict);
+    assertDoesNotMatch(@"no d:3", hasEntries(@"d", @"3", nil), dict);
+}
+
+- (void)testShouldNotMatchNil
+{
+    assertDoesNotMatch(@"nil", hasEntries(@"a", @"1", nil), nil);
+}
+
+- (void)testMatcherCreationRequiresNonNilArguments
+{    
+    STAssertThrows(hasEntries(nil, @"value", nil), @"Should require non-nil argument");
+    STAssertThrows(hasEntries(@"key", nil, nil), @"Should require non-nil argument");
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a dictionary containing { \"a\" = \"1\"; \"b\" = \"2\"; }",
+                      hasEntries(@"a", @"1", @"b", @"2", nil));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    assertNoMismatchDescription(hasEntries(@"a", @"1", nil), dict);
+}
+
+- (void)testMismatchDescriptionOfNonDictionaryShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasEntries(@"a", @"1", nil), @"bad");
+}
+
+- (void)testMismatchDescriptionOfDictionaryWithoutKey
+{
+    NSDictionary *dict = @{@"a": @"1", @"c": @"3"};
+    assertMismatchDescription(@"no \"b\" key in <{\n    a = 1;\n    c = 3;\n}>",
+                              hasEntries(@"a", @"1", @"b", @"2", nil), dict);
+}
+
+- (void)testMismatchDescriptionOfDictionaryWithNonMatchingValue
+{
+    NSDictionary *dict = @{@"a": @"2"};
+    assertMismatchDescription(@"value for \"a\" was \"2\"", hasEntries(@"a", @"1", nil), dict);
+}
+
+- (void)testDescribeMismatchOfNonDictionaryShowsActualArgument
+{
+    assertDescribeMismatch(@"was \"bad\"", hasEntries(@"a", @"1", nil), @"bad");
+}
+
+- (void)testDescribeMismatchOfDictionaryWithoutKey
+{
+    NSDictionary *dict = @{@"a": @"1", @"c": @"3"};
+    assertDescribeMismatch(@"no \"b\" key in <{\n    a = 1;\n    c = 3;\n}>",
+                           hasEntries(@"a", @"1", @"b", @"2", nil), dict);
+}
+
+- (void)testDescribeMismatchOfDictionaryWithNonMatchingValue
+{
+    NSDictionary *dict = @{@"a": @"2"};
+    assertDescribeMismatch(@"value for \"a\" was \"2\"", hasEntries(@"a", @"1", nil), dict);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingKeyTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingKeyTest.m
new file mode 100644
index 0000000..91b4a26
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingKeyTest.m
@@ -0,0 +1,97 @@
+//
+//  OCHamcrest - IsDictionaryContainingKeyTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsDictionaryContainingKey.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsDictionaryContainingKeyTest : AbstractMatcherTest
+@end
+
+@implementation IsDictionaryContainingKeyTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasKey(@"irrelevant");
+}
+
+- (void)testMatchesSingletonDictionaryContainingKey
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    
+    assertMatches(@"Matches single key", hasKey(equalTo(@"a")), dict);
+}
+
+- (void)testMatchesDictionaryContainingKey
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+    
+    assertMatches(@"Matches a", hasKey(equalTo(@"a")), dict);
+    assertMatches(@"Matches c", hasKey(equalTo(@"c")), dict);
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+
+    assertMatches(@"Matches c", hasKey(@"c"), dict);
+}
+
+- (void)testDoesNotMatchEmptyDictionary
+{
+    assertDoesNotMatch(@"empty", hasKey(@"Foo"), @{});
+}
+
+- (void)testDoesNotMatchDictionaryMissingKey
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+    
+    assertDoesNotMatch(@"no matching key", hasKey(@"d"), dict);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(hasKey(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a dictionary containing key \"a\"", hasKey(@"a"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    assertNoMismatchDescription(hasKey(@"a"), dict);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasKey(@"a"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasKey(@"a"), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingTest.m
new file mode 100644
index 0000000..53d21f1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingTest.m
@@ -0,0 +1,84 @@
+//
+//  OCHamcrest - IsDictionaryContainingTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsDictionaryContaining.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsAnything.h>
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsDictionaryContainingTest : AbstractMatcherTest
+@end
+
+@implementation IsDictionaryContainingTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasEntry(@"irrelevant", @"irrelevant");
+}
+
+- (void)testMatchesDictionaryContainingMatchingKeyAndValue
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2"};
+
+    assertMatches(@"has a:1", hasEntry(equalTo(@"a"), equalTo(@"1")), dict);
+    assertMatches(@"has b:2", hasEntry(equalTo(@"b"), equalTo(@"2")), dict);
+    assertDoesNotMatch(@"no c:3", hasEntry(equalTo(@"c"), equalTo(@"3")), dict);
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2"};
+
+    assertMatches(@"has a:1", hasEntry(@"a", equalTo(@"1")), dict);
+    assertMatches(@"has b:2", hasEntry(equalTo(@"b"), @"2"), dict);
+    assertDoesNotMatch(@"no c:3", hasEntry(@"c", @"3"), dict);
+}
+
+- (void)testShouldNotMatchNil
+{
+    assertDoesNotMatch(@"nil", hasEntry(anything(), anything()), nil);
+}
+
+- (void)testMatcherCreationRequiresNonNilArguments
+{    
+    STAssertThrows(hasEntry(nil, @"value"), @"Should require non-nil argument");
+    STAssertThrows(hasEntry(@"key", nil), @"Should require non-nil argument");
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a dictionary containing { \"a\" = \"1\"; }", hasEntry(@"a", @"1"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    assertNoMismatchDescription(hasEntry(@"a", @"1"), dict);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasEntry(@"a", @"1"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasEntry(@"a", @"1"), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingValueTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingValueTest.m
new file mode 100644
index 0000000..c952b41
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsDictionaryContainingValueTest.m
@@ -0,0 +1,97 @@
+//
+//  OCHamcrest - IsDictionaryContainingValueTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsDictionaryContainingValue.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsDictionaryContainingValueTest : AbstractMatcherTest
+@end
+
+@implementation IsDictionaryContainingValueTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasValue(@"irrelevant");
+}
+
+- (void)testMatchesSingletonDictionaryContainingValue
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    
+    assertMatches(@"same single key", hasValue(equalTo(@"1")), dict);
+}
+
+- (void)testMatchesDictionaryContainingValue
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+    
+    assertMatches(@"Matches 1", hasValue(equalTo(@"1")), dict);
+    assertMatches(@"Matches 3", hasValue(equalTo(@"3")), dict);
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+
+    assertMatches(@"Matches 3", hasValue(@"3"), dict);
+}
+
+- (void)testDoesNotMatchEmptyDictionary
+{
+    assertDoesNotMatch(@"Empty dictionary", hasValue(@"Foo"), @{});
+}
+
+- (void)testDoesNotMatchDictionaryMissingValue
+{
+    NSDictionary *dict = @{@"a": @"1",
+                                            @"b": @"2",
+                                            @"c": @"3"};
+    
+    assertDoesNotMatch(@"no matching value", hasValue(@"4"), dict);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(hasValue(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"a dictionary containing value \"a\"", hasValue(@"a"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    NSDictionary *dict = @{@"a": @"1"};
+    assertNoMismatchDescription(hasValue(@"1"), dict);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasValue(@"1"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasValue(@"1"), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsEmptyCollectionTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsEmptyCollectionTest.m
new file mode 100644
index 0000000..1456377
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsEmptyCollectionTest.m
@@ -0,0 +1,61 @@
+//
+//  OCHamcrest - IsEmptyCollectionTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsEmptyCollection.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+#import "FakeWithCount.h"
+#import "FakeWithoutCount.h"
+
+
+@interface IsEmptyCollectionTest : AbstractMatcherTest
+@end
+
+
+@implementation IsEmptyCollectionTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return empty();
+}
+
+- (void)testMatchesEmptyCollection
+{
+    assertMatches(@"empty", empty(), [FakeWithCount fakeWithCount:0]);
+}
+
+- (void)testDoesNotMatchesNonEmptyCollection
+{
+    assertDoesNotMatch(@"non-empty", empty(), [FakeWithCount fakeWithCount:1]);
+}
+
+- (void)testDoesNotMatchItemWithoutCount
+{
+    assertDoesNotMatch(@"no count", empty(), [FakeWithoutCount fake]);
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"empty collection", empty());
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", empty(), @"bad");
+}
+
+- (void)testDescribesMismatch
+{
+    assertDescribeMismatch(@"was <FakeWithCount>", empty(), [FakeWithCount fakeWithCount:1]);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsInTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsInTest.m
new file mode 100644
index 0000000..9499a81
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Collection/IsInTest.m
@@ -0,0 +1,69 @@
+//
+//  OCHamcrest - IsInTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsIn.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsInTest : AbstractMatcherTest
+@end
+
+@implementation IsInTest
+
+- (id<HCMatcher>)createMatcher
+{
+    NSArray *collection = @[@"a", @"b", @"c"];
+    return isIn(collection);
+}
+
+- (void)testReturnsTrueIfArgumentIsInCollection
+{
+    NSArray *collection = @[@"a", @"b", @"c"];
+    id<HCMatcher> matcher = isIn(collection);
+    
+    assertMatches(@"has a", matcher, @"a");
+    assertMatches(@"has b", matcher, @"b");
+    assertMatches(@"has c", matcher, @"c");
+    assertDoesNotMatch(@"no d", matcher, @"d");
+}
+
+- (void)testMatcherCreationRequiresObjectWithContainsObjectMethod
+{
+    id object = [[NSObject alloc] init];
+    
+    STAssertThrows(isIn(object), @"object does not have -containsObject: method");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(isIn(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasReadableDescription
+{
+    id<HCMatcher> matcher = isIn(@[@"a", @"b", @"c"]);
+    
+    assertDescription(@"one of {\"a\", \"b\", \"c\"}", matcher);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", isIn(@[@"a"]), @"bad");
+}
+
+- (void)testDescribesMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", isIn(@[@"a"]), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.h
new file mode 100644
index 0000000..ef95f9a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.h
@@ -0,0 +1,51 @@
+//
+//  OCHamcrest - AbstractMatcherTest.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@protocol HCMatcher;
+
+
+@interface AbstractMatcherTest : SenTestCase
+
+- (void)assertTrue:(BOOL)condition message:(NSString *)message
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+- (void)assertFalse:(BOOL)condition message:(NSString *)message
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+- (void)assertMatcher:(id<HCMatcher>)matcher hasTheDescription:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+- (void)assertMatcher:(id<HCMatcher>)matcher hasNoMismatchDescriptionFor:(id)arg
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+- (void)assertMatcher:(id<HCMatcher>)matcher matching:(id)arg yieldsMismatchDescription:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+- (void)assertMatcher:(id<HCMatcher>)matcher matching:(id)arg describesMismatch:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber;
+
+- (id<HCMatcher>)createMatcher;
+
+@end
+
+
+#define assertMatches(aMessage, matcher, arg)    \
+    [self assertTrue:[matcher matches:arg] message:aMessage inFile:__FILE__ atLine:__LINE__]
+
+#define assertDoesNotMatch(aMessage, matcher, arg)    \
+    [self assertFalse:[matcher matches:arg] message:aMessage inFile:__FILE__ atLine:__LINE__]
+
+#define assertDescription(expected, matcher)    \
+    [self assertMatcher:matcher hasTheDescription:expected inFile:__FILE__ atLine:__LINE__]
+
+#define assertNoMismatchDescription(matcher, arg)   \
+    [self assertMatcher:matcher hasNoMismatchDescriptionFor:arg inFile:__FILE__ atLine:__LINE__]
+
+#define assertMismatchDescription(expected, matcher, arg)   \
+    [self assertMatcher:matcher matching:arg yieldsMismatchDescription:expected inFile:__FILE__ atLine:__LINE__]
+
+#define assertDescribeMismatch(expected, matcher, arg)  \
+    [self assertMatcher:matcher matching:arg describesMismatch:expected inFile:__FILE__ atLine:__LINE__]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.m
new file mode 100644
index 0000000..cf4b9f5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AbstractMatcherTest.m
@@ -0,0 +1,133 @@
+//
+//  OCHamcrest - AbstractMatcherTest.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "AbstractMatcherTest.h"
+
+#import <OCHamcrest/HCMatcher.h>
+#import <OCHamcrest/HCStringDescription.h>
+
+
+@implementation AbstractMatcherTest
+
+- (void)assertTrue:(BOOL)condition message:(NSString *)message
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    if (!condition)
+    {
+        [self failWithException:[NSException failureInFile:@(fileName)
+                                                    atLine:lineNumber
+                                           withDescription:message]];
+    }
+}
+
+- (void)assertFalse:(BOOL)condition message:(NSString *)message
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    if (condition)
+    {
+        [self failWithException:[NSException failureInFile:@(fileName)
+                                                    atLine:lineNumber
+                                           withDescription:message]];
+    }
+}
+
+- (void)assertMatcher:(id<HCMatcher>)matcher hasTheDescription:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    [description appendDescriptionOf:matcher];
+    NSString *actual = [description description];
+    if (![actual isEqualToString:expected])
+    {
+        [self failWithException:
+                [NSException failureInEqualityBetweenObject:actual
+                                                  andObject:expected
+                                                     inFile:@(fileName)
+                                                     atLine:lineNumber
+                                            withDescription:@"Expected description"]];
+    }
+}
+
+- (void)assertMatcher:(id<HCMatcher>)matcher hasNoMismatchDescriptionFor:(id)arg
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    BOOL result = [matcher matches:arg];
+    if (!result)
+    {
+        [self failWithException:[NSException failureInFile:@(fileName)
+                                                    atLine:lineNumber
+                                           withDescription:@"Precondition: Matcher should match item"]];
+    }
+    if ([[description description] length] != 0)
+    {
+        [self failWithException:[NSException failureInFile:@(fileName)
+                                                    atLine:lineNumber
+                                           withDescription:@"Expected no mismatch description"]];
+    }
+}
+
+- (void)assertMatcher:(id<HCMatcher>)matcher matching:(id)arg yieldsMismatchDescription:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    BOOL result = [matcher matches:arg describingMismatchTo:description];
+    if (result)
+    {
+        [self failWithException:[NSException failureInFile:@(fileName)
+                                                    atLine:lineNumber
+                                           withDescription:@"Precondition: Matcher should not match item"]];
+    }
+    NSString *actual = [description description];
+    if (![actual isEqualToString:expected])
+    {
+        [self failWithException:
+                [NSException failureInEqualityBetweenObject:actual
+                                                  andObject:expected
+                                                     inFile:@(fileName)
+                                                     atLine:lineNumber
+                                            withDescription:@"Expected mismatch description"]];
+    }
+}
+
+- (void)assertMatcher:(id<HCMatcher>)matcher matching:(id)arg describesMismatch:(NSString *)expected
+                inFile:(const char *)fileName atLine:(int)lineNumber
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    [matcher describeMismatchOf:arg to:description];
+    NSString *actual = [description description];
+    if (![actual isEqualToString:expected])
+    {
+        [self failWithException:
+                [NSException failureInEqualityBetweenObject:actual
+                                                  andObject:expected
+                                                     inFile:@(fileName)
+                                                     atLine:lineNumber
+                                            withDescription:@"Expected mismatch description"]];
+    }
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return nil;     // Override in subclass
+}
+
+- (void)testIsNilSafe
+{
+    // Should not crash or throw exception.
+    [[self createMatcher] matches:nil];
+}
+
+- (void)testCopesWithUnknownTypes
+{
+    // Should not crash or throw exception.
+    [[self createMatcher] matches:[[NSObject alloc] init]];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AssertThatTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AssertThatTest.m
new file mode 100644
index 0000000..ee370d0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/AssertThatTest.m
@@ -0,0 +1,131 @@
+//
+//  OCHamcrest - AssertThatTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Module under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCAssertThat.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface MockTestRun : SenTestCaseRun
+{
+    // Can't use original attributes because they're declared @private.
+    unsigned int myFailureCount;
+    unsigned int myUnexpectedExceptionCount;
+}
+@end
+
+@implementation MockTestRun
+
+- (void)addException:(NSException *) anException
+{
+    if ([[anException name] isEqualToString:SenTestFailureException])
+        ++myFailureCount;
+    else
+        ++myUnexpectedExceptionCount;
+}
+
+- (unsigned int)failureCount
+{
+    return myFailureCount;
+}
+
+- (unsigned int)unexpectedExceptionCount
+{
+    return myUnexpectedExceptionCount;
+}
+
+- (void)stop
+{
+    // Override to avoid posting notification.
+}
+
+@end
+
+
+#pragma mark -
+
+@interface QuietTest : SenTestCase
+@end
+
+@implementation QuietTest
+
+- (Class)testRunClass
+{
+    return [MockTestRun class];
+}
+
+- (void)twoFailingAssertions
+{
+    assertThat(@"1", equalTo(@"2"));
+    assertThat(@"3", equalTo(@"4"));
+}
+
+@end
+
+
+#pragma mark -
+
+@interface AssertThatTest : SenTestCase
+@end
+
+@implementation AssertThatTest
+
+- (void)testShouldBeSilentOnSuccessfulMatch
+{
+    assertThat(@"foo", equalTo(@"foo"));
+}
+
+- (void)testAssertionErrorShouldDescribeExpectedAndActual
+{
+    NSString *expected = @"EXPECTED";
+    NSString *actual = @"ACTUAL";
+    NSString *expectedMessage = @"Expected \"EXPECTED\", but was \"ACTUAL\"";
+
+    @try
+    {
+        [self raiseAfterFailure];
+        assertThat(actual, equalTo(expected));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertTrue([[exception reason] rangeOfString:expectedMessage].location != NSNotFound, nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testAssertionRecordingAllErrors
+{
+    QuietTest *testCase = [QuietTest testCaseWithSelector:@selector(twoFailingAssertions)];
+    [testCase continueAfterFailure];    // Default behavior of OCUnit
+
+    MockTestRun *testRun = (MockTestRun *)[testCase run];
+
+    STAssertEquals([testRun failureCount], 2U, nil);
+    STAssertEquals([testRun unexpectedExceptionCount], 0U, nil);
+}
+
+- (void)testAssertionStoppingAtFirstError
+{
+    QuietTest *testCase = [QuietTest testCaseWithSelector:@selector(twoFailingAssertions)];
+    [testCase raiseAfterFailure];       // Change behavior
+
+    MockTestRun *testRun = (MockTestRun *)[testCase run];
+
+    STAssertEquals([testRun failureCount], 1U, nil);
+    STAssertEquals([testRun unexpectedExceptionCount], 0U, nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/BaseMatcherTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/BaseMatcherTest.m
new file mode 100644
index 0000000..7c8d345
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/BaseMatcherTest.m
@@ -0,0 +1,86 @@
+//
+//  OCHamcrest - BaseMatcherTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#import <OCHamcrest/HCBaseMatcher.h>
+
+    // Collaborators
+#import <OCHamcrest/HCDescription.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface TestingBaseMatcher : HCBaseMatcher
+@end
+
+@implementation TestingBaseMatcher
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"SOME DESCRIPTION"];
+}
+
+@end
+
+
+@interface BaseMatcherTest : AbstractMatcherTest
+@end
+
+@implementation BaseMatcherTest
+
+- (void)testDescriptionShouldDescribeMatcher
+{
+    TestingBaseMatcher *matcher = [[TestingBaseMatcher alloc] init];
+    STAssertEqualObjects([matcher description], @"SOME DESCRIPTION", nil);
+}
+
+@end
+
+
+#pragma mark -
+
+@interface IncompleteBaseMatcher : HCBaseMatcher
+@end
+
+@implementation IncompleteBaseMatcher
+@end
+
+
+@interface IncompleteMatcherTest : AbstractMatcherTest
+@end
+
+@implementation IncompleteMatcherTest
+{
+    IncompleteBaseMatcher *matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = [[IncompleteBaseMatcher alloc] init];
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (void)testSubclassShouldBeRequiredToDefineMatchesMethod
+{
+    STAssertThrows([matcher matches:nil], nil);
+}
+
+- (void)testSubclassShouldBeRequiredToDefineDescribeToMethod
+{
+    STAssertThrows([matcher describeTo:nil], nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/InvocationMatcherTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/InvocationMatcherTest.m
new file mode 100644
index 0000000..245fcc0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/InvocationMatcherTest.m
@@ -0,0 +1,152 @@
+//
+//  OCHamcrest - InvocationMatcherTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCInvocationMatcher.h>
+
+    // Collaborators
+#import <OCHamcrest/HCDescription.h>
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface Match : HCIsEqual
+@end
+
+@implementation Match
+
++ (Match *)matches:(id)arg
+{
+    return [[Match alloc] initEqualTo:arg];
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)description
+{
+    [description appendText:@"MISMATCH"];
+}
+
+@end
+
+
+#pragma mark -
+
+@interface Thingy : NSObject
+@end
+
+@implementation Thingy
+{
+    NSString *result;
+}
+
+- (id)initWithResult:(NSString *)aResult
+{
+    self = [super init];
+    if (self)
+        result = aResult;
+    return self;
+}
+
+- (NSString *)description
+{
+    return @"Thingy";
+}
+
+- (NSString *)result
+{
+    return result;
+}
+
++ (Thingy*) thingyWithResult:(NSString *)result
+{
+    return [[Thingy alloc] initWithResult:result];
+}
+
+@end
+
+
+#pragma mark -
+
+@interface ShouldNotMatch : NSObject
+@end
+
+@implementation ShouldNotMatch
+
+- (NSString *)description
+{
+    return @"ShouldNotMatch";
+}
+
+@end
+
+
+#pragma mark -
+
+@interface InvocationMatcherTest : AbstractMatcherTest
+@end
+
+@implementation InvocationMatcherTest
+{
+    HCInvocationMatcher *resultMatcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    NSInvocation *invocation = [HCInvocationMatcher invocationForSelector:@selector(result)
+                                                                  onClass:[Thingy class]];
+    
+    resultMatcher = [[HCInvocationMatcher alloc] initWithInvocation:invocation
+                                                           matching:[Match matches:@"bar"]];
+}
+
+- (void)tearDown
+{
+    resultMatcher = nil;
+    [super tearDown];
+}
+
+- (void)testMatchesFeature
+{
+    assertMatches(@"invoke on Thingy", resultMatcher, [Thingy thingyWithResult:@"bar"]);
+    assertDescription(@"an object with result \"bar\"", resultMatcher);
+}
+
+- (void)testMismatchWithDefaultLongDescription
+{
+    assertMismatchDescription(@"<Thingy> result MISMATCH", resultMatcher,
+                              [Thingy thingyWithResult:@"foo"]);
+}
+
+- (void)testMismatchWithShortDescription
+{
+    [resultMatcher setShortMismatchDescription:YES];
+    assertMismatchDescription(@"MISMATCH", resultMatcher,
+                              [Thingy thingyWithResult:@"foo"]);
+}
+
+- (void)testDoesNotMatchNil
+{
+    assertMismatchDescription(@"was nil", resultMatcher, nil);
+}
+
+- (void)testDoesNotMatchObjectWithoutMethod
+{
+    assertDoesNotMatch(@"was <ShouldNotMatch>", resultMatcher, [[ShouldNotMatch alloc] init]);
+}
+
+- (void)testObjectWithoutMethodShortDescriptionIsSameAsLongForm
+{
+    [resultMatcher setShortMismatchDescription:YES];
+    assertDoesNotMatch(@"was <ShouldNotMatch>", resultMatcher, [[ShouldNotMatch alloc] init]);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/StringDescriptionTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/StringDescriptionTest.m
new file mode 100644
index 0000000..16a7ec1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Core/StringDescriptionTest.m
@@ -0,0 +1,195 @@
+//
+//  OCHamcrest - StringDescriptionTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#import <OCHamcrest/HCStringDescription.h>
+
+    // Collaborators
+#import <OCHamcrest/HCSelfDescribing.h>
+
+    // Test support
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface FakeSelfDescribing : NSObject <HCSelfDescribing>
+@end
+
+@implementation FakeSelfDescribing
+
+- (void)describeTo:(id<HCDescription>)description
+{
+    [description appendText:@"DESCRIPTION"];
+}
+
+@end
+
+
+#pragma mark -
+
+@interface ObjectDescriptionWithLessThan : NSObject
+@end
+
+@implementation ObjectDescriptionWithLessThan
+
+- (NSString *)description
+{
+    return @"< is less than";
+}
+
+@end
+
+
+#pragma mark -
+
+@interface ObjectWithNilDescription : NSObject
+@end
+
+@implementation ObjectWithNilDescription
+
+- (NSString *)description
+{
+    return nil;
+}
+
+@end
+
+
+#pragma mark -
+
+@interface StringDescriptionTest : SenTestCase
+@end
+
+@implementation StringDescriptionTest
+{
+    HCStringDescription *description;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    description = [[HCStringDescription alloc] init];
+}
+
+- (void)tearDown
+{
+    description = nil;
+    [super tearDown];
+}
+
+- (void)testDescribesNil
+{
+    [description appendDescriptionOf:nil];
+    
+    STAssertEqualObjects([description description], @"nil", nil);
+}
+
+- (void)testLetsSelfDescribingObjectDescribeItself
+{
+    [description appendDescriptionOf:[[FakeSelfDescribing alloc] init]];
+    
+    STAssertEqualObjects([description description], @"DESCRIPTION", nil);
+}
+
+- (void)testDescribesStringInQuotes
+{    
+    [description appendDescriptionOf:@"FOO"];
+    
+    STAssertEqualObjects([description description], @"\"FOO\"", nil);
+}
+
+- (void)testDescriptionOfStringWithQuotesShouldExpandToCSyntax
+{    
+    [description appendDescriptionOf:@"a\"b"];
+    
+    STAssertEqualObjects([description description], @"\"a\\\"b\"", nil);
+}
+
+- (void)testDescriptionOfStringWithNewlineShouldExpandToCSyntax
+{    
+    [description appendDescriptionOf:@"a\nb"];
+    
+    STAssertEqualObjects([description description], @"\"a\\nb\"", nil);
+}
+
+- (void)testDescriptionOfStringWithCarriageReturnShouldExpandToCSyntax
+{    
+    [description appendDescriptionOf:@"a\rb"];
+    
+    STAssertEqualObjects([description description], @"\"a\\rb\"", nil);
+}
+
+- (void)testDescriptionOfStringWithTabShouldExpandToCSyntax
+{    
+    [description appendDescriptionOf:@"a\tb"];
+    
+    STAssertEqualObjects([description description], @"\"a\\tb\"", nil);
+}
+
+- (void)testWrapsNonSelfDescribingObjectInAngleBrackets
+{    
+    [description appendDescriptionOf:@42];
+    
+    STAssertEqualObjects([description description], @"<42>", nil);
+}
+
+- (void)testShouldNotAddAngleBracketsIfObjectDescriptionAlreadyHasThem
+{
+    [description appendDescriptionOf:[[NSObject alloc] init]];
+    NSPredicate *expected = [NSPredicate predicateWithFormat:
+                             @"SELF MATCHES '<NSObject: 0x[0-9a-fA-F]+>'"];
+    STAssertTrue([expected evaluateWithObject:[description description]], nil);
+}
+
+- (void)testWrapsNonSelfDescribingObjectInAngleBracketsIfItDoesNotEndInClosingBracket
+{
+    ObjectDescriptionWithLessThan *lessThanDescription = [[ObjectDescriptionWithLessThan alloc] init];
+    [description appendDescriptionOf:lessThanDescription];
+    
+    STAssertEqualObjects([description description], @"<< is less than>", nil);
+}
+
+- (void)testCanDescribeObjectWithNilDescription
+{
+    [description appendDescriptionOf:[[ObjectWithNilDescription alloc] init]];
+    NSPredicate *expected = [NSPredicate predicateWithFormat:
+                             @"SELF MATCHES '<ObjectWithNilDescription: 0x[0-9a-fA-F]+>'"];
+    STAssertTrue([expected evaluateWithObject:[description description]], nil);
+}
+
+- (void)testAppendListWithEmptyListShouldHaveStartAndEndOnly
+{
+    [description appendList:@[]
+                      start:@"["
+                  separator:@","
+                        end:@"]"];
+    
+    STAssertEqualObjects([description description], @"[]", nil);
+}
+
+- (void)testAppendListWithOneItemShouldHaveStartItemAndEnd
+{
+    [description appendList:@[@"a"]
+                      start:@"["
+                  separator:@","
+                        end:@"]"];
+    
+    STAssertEqualObjects([description description], @"[\"a\"]", nil);
+}
+
+- (void)testAppendListWithTwoItemsShouldHaveItemsWithSeparator
+{
+    [description appendList:@[@"a", @"b"]
+                      start:@"["
+                  separator:@","
+                        end:@"]"];
+    
+    STAssertEqualObjects([description description], @"[\"a\",\"b\"]", nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/DescribedAsTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/DescribedAsTest.m
new file mode 100644
index 0000000..4c82c2b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/DescribedAsTest.m
@@ -0,0 +1,107 @@
+//
+//  OCHamcrest - DescribedAsTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCDescribedAs.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsAnything.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+#import "NeverMatch.h"
+
+
+@interface DescribedAsTest : AbstractMatcherTest
+@end
+
+@implementation DescribedAsTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return describedAs(@"irrelevant", anything(), nil);
+}
+
+- (void)testOverridesDescriptionOfNestedMatcherInitializerArgument
+{
+    id<HCMatcher> m1 = describedAs(@"m1 description", anything(), nil);
+    id<HCMatcher> m2 = describedAs(@"m2 description", [NeverMatch neverMatch], nil);
+
+    assertDescription(@"m1 description", m1);
+    assertDescription(@"m2 description", m2);
+}
+
+- (void)testAppendsValuesToDescription
+{
+    id<HCMatcher> m = describedAs(@"value 1 = %0, value 2 = %1",
+                                  anything(),
+                                  @33,
+                                  @97,
+                                  nil);
+    
+    assertDescription(@"value 1 = <33>, value 2 = <97>", m);
+}
+
+- (void)testHandlesSubstitutionAtBeginning
+{
+    id<HCMatcher> m = describedAs(@"%0ok",
+                                  anything(),
+                                  @33,
+                                  nil);
+    
+    assertDescription(@"<33>ok", m);
+}
+
+- (void)testHandlesSubstitutionAtEnd
+{
+    id<HCMatcher> m = describedAs(@"ok%0",
+                                  anything(),
+                                  @33,
+                                  nil);
+    
+    assertDescription(@"ok<33>", m);
+}
+
+- (void)testDoesNotProcessPercentFollowedByNonDigit
+{
+    id<HCMatcher> m = describedAs(@"With 33% remaining", anything(), nil);
+    
+    assertDescription(@"With 33% remaining", m);
+}
+
+- (void)testDelegatesMatchingToNestedMatcher
+{
+    id<HCMatcher> m1 = describedAs(@"m1 description", anything(), nil);
+    id<HCMatcher> m2 = describedAs(@"m2 description", [NeverMatch neverMatch], nil);
+
+    STAssertTrue([m1 matches:@"hi"], @"");
+    STAssertFalse([m2 matches:@"hi"], @"");
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(describedAs(@"irrelevant", anything(), nil), @"hi");
+}
+
+- (void)testDelegatesMismatchDescriptionToNestedMatcher
+{
+    assertMismatchDescription([NeverMatch mismatchDescription],
+                              describedAs(@"irrelevant", [NeverMatch neverMatch], nil),
+                              @"hi");
+}
+
+- (void)testDelegatesDescribeMismatchToNestedMatcher
+{
+    assertDescribeMismatch([NeverMatch mismatchDescription],
+                           describedAs(@"irrelevant", [NeverMatch neverMatch], nil),
+                           @"hi");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/IsTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/IsTest.m
new file mode 100644
index 0000000..4867944
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/IsTest.m
@@ -0,0 +1,73 @@
+//
+//  OCHamcrest - IsTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIs.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+#import "NeverMatch.h"
+
+
+@interface IsTest : AbstractMatcherTest
+@end
+
+@implementation IsTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return is(@"something");
+}
+
+- (void)testDelegatesMatchingToNestedMatcher
+{
+    assertMatches(@"should match", is(equalTo(@"A")), @"A");
+    assertMatches(@"should match", is(equalTo(@"B")), @"B");
+    assertDoesNotMatch(@"should not match", is(equalTo(@"A")), @"B");
+    assertDoesNotMatch(@"should not match", is(equalTo(@"B")), @"A");
+}
+
+- (void)testDescriptionShouldPassThrough
+{
+    assertDescription(@"\"A\"", is(equalTo(@"A")));
+}
+
+- (void)testProvidesConvenientShortcutForIsEqualTo
+{
+    assertMatches(@"should match", is(@"A"), @"A");
+    assertMatches(@"should match", is(@"B"), @"B");
+    assertDoesNotMatch(@"should not match", is(@"A"), @"B");
+    assertDoesNotMatch(@"should not match", is(@"B"), @"A");
+    assertDescription(@"\"A\"", is(@"A"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(is(@"A"), @"A");
+}
+
+- (void)testDelegatesMismatchDescriptionToNestedMatcher
+{
+    assertMismatchDescription([NeverMatch mismatchDescription],
+                              is([NeverMatch neverMatch]),
+                              @"hi");
+}
+
+- (void)testDelegatesDescribeMismatchToNestedMatcher
+{
+    assertDescribeMismatch([NeverMatch mismatchDescription],
+                           is([NeverMatch neverMatch]),
+                           @"hi");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.h b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.h
new file mode 100644
index 0000000..705001d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.h
@@ -0,0 +1,20 @@
+//
+//  OCHamcrest - NeverMatch.h
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import <OCHamcrest/HCBaseMatcher.h>
+
+
+@interface NeverMatch : HCBaseMatcher
+
++ (id)neverMatch;
++ (NSString *)mismatchDescription;
+- (BOOL)matches:(id)item;
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.m
new file mode 100644
index 0000000..b0127be
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Decorator/NeverMatch.m
@@ -0,0 +1,37 @@
+//
+//  OCHamcrest - NeverMatch.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+#import "NeverMatch.h"
+
+#import "HCDescription.h"
+
+
+@implementation NeverMatch
+
++ (id)neverMatch
+{
+    return [[self alloc] init];
+}
+
++ (NSString *)mismatchDescription
+{
+    return @"NEVERMATCH";
+}
+
+- (BOOL)matches:(id)item
+{
+    return NO;
+}
+
+- (void)describeMismatchOf:(id)item to:(id<HCDescription>)mismatchDescription
+{
+    [mismatchDescription appendText:[NeverMatch mismatchDescription]];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AllOfTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AllOfTest.m
new file mode 100644
index 0000000..5e2e673
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AllOfTest.m
@@ -0,0 +1,103 @@
+//
+//  OCHamcrest - AllOfTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCAllOf.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface AllOfTest : AbstractMatcherTest
+@end
+
+@implementation AllOfTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return allOf(equalTo(@"irrelevant"), equalTo(@"irrelevant"), nil);
+}
+
+- (void)testMatchesIfArgumentSatisfiesBothOfTwoOtherMatchers
+{
+    assertMatches(@"both matchers", allOf(equalTo(@"good"), equalTo(@"good"), nil), @"good");
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"both matchers", allOf(@"good", @"good", nil), @"good");
+}
+
+- (void)testNoMatchIfArgumentFailsToSatisfyEitherOfTwoOtherMatchers
+{
+    assertDoesNotMatch(@"first matcher", allOf(equalTo(@"bad"), equalTo(@"good"), nil), @"good");
+    assertDoesNotMatch(@"second matcher", allOf(equalTo(@"good"), equalTo(@"bad"), nil), @"good");
+    assertDoesNotMatch(@"either matcher", allOf(equalTo(@"bad"), equalTo(@"bad"), nil), @"good");
+}
+
+- (void)testMatchesIfArgumentSatisfiesAllOfManyOtherMatchers
+{
+    assertMatches(@"all matchers",
+                  allOf(equalTo(@"good"),
+                        equalTo(@"good"),
+                        equalTo(@"good"),
+                        equalTo(@"good"),
+                        equalTo(@"good"),
+                        nil),
+                  @"good");
+}
+
+- (void)testNoMatchIfArgumentFailsToSatisfyAllOfManyOtherMatchers
+{
+    assertDoesNotMatch(@"matcher in the middle",
+                  allOf(equalTo(@"good"),
+                        equalTo(@"good"),
+                        equalTo(@"bad"),
+                        equalTo(@"good"),
+                        equalTo(@"good"),
+                        nil),
+                  @"good");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"(\"good\" and \"bad\" and \"ugly\")",
+                      allOf(equalTo(@"good"), equalTo(@"bad"), equalTo(@"ugly"), nil));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(allOf(equalTo(@"good"), equalTo(@"good"), nil),
+                                @"good");
+}
+
+- (void)testMismatchDescriptionDescribesFirstFailingMatch
+{
+    assertMismatchDescription(@"\"good\" was \"bad\"",
+                              allOf(equalTo(@"bad"), equalTo(@"good"), nil),
+                              @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"\"good\" was \"bad\"",
+                           allOf(equalTo(@"bad"), equalTo(@"good"), nil),
+                           @"bad");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(allOf(nil), @"Should require non-nil list");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AnyOfTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AnyOfTest.m
new file mode 100644
index 0000000..129b1bf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/AnyOfTest.m
@@ -0,0 +1,105 @@
+//
+//  OCHamcrest - AnyOfTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCAnyOf.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface AnyOfTest : AbstractMatcherTest
+@end
+
+@implementation AnyOfTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return anyOf(equalTo(@"irrelevant"), nil);
+}
+
+- (void)testMatchesIfArgumentSatisfiesEitherOrBothOfTwoOtherMatchers
+{
+    assertMatches(@"first matcher", anyOf(equalTo(@"good"), equalTo(@"bad"), nil), @"good");
+    assertMatches(@"second matcher", anyOf(equalTo(@"bad"), equalTo(@"good"), nil), @"good");
+    assertMatches(@"both matchers", anyOf(equalTo(@"good"), equalTo(@"good"), nil), @"good");
+}
+
+- (void)testProvidesConvenientShortcutForMatchingWithEqualTo
+{
+    assertMatches(@"first matcher", anyOf(@"good", @"bad", nil), @"good");
+    assertMatches(@"second matcher", anyOf(@"bad", @"good", nil), @"good");
+    assertMatches(@"both matchers", anyOf(@"good", @"good", nil), @"good");
+}
+
+- (void)testNoMatchIfArgumentFailsToSatisfyEitherOfTwoOtherMatchers
+{
+    assertDoesNotMatch(@"first matcher", anyOf(equalTo(@"bad"), equalTo(@"bad"), nil), @"good");
+}
+
+- (void)testMatchesIfArgumentSatisfiesAnyOfManyOtherMatchers
+{
+    assertMatches(@"matcher in the middle",
+                  anyOf(equalTo(@"bad"),
+                        equalTo(@"bad"),
+                        equalTo(@"good"),
+                        equalTo(@"bad"),
+                        equalTo(@"bad"),
+                        nil),
+                  @"good");
+}
+
+- (void)testNoMatchIfArgumentFailsToSatisfyAnyOfManyOtherMatchers
+{
+    assertDoesNotMatch(@"all matchers",
+                       anyOf(equalTo(@"bad"),
+                             equalTo(@"bad"),
+                             equalTo(@"bad"),
+                             equalTo(@"bad"),
+                             equalTo(@"bad"),
+                             nil),
+                       @"good");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"(\"good\" or \"bad\" or \"ugly\")",
+                      anyOf(equalTo(@"good"), equalTo(@"bad"), equalTo(@"ugly"), nil));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(anyOf(equalTo(@"good"), equalTo(@"good"), nil),
+                                @"good");
+}
+
+- (void)testMismatchDescriptionDescribesFirstFailingMatch
+{
+    assertMismatchDescription(@"was \"ugly\"",
+                              anyOf(equalTo(@"bad"), equalTo(@"good"), nil),
+                              @"ugly");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"ugly\"",
+                           anyOf(equalTo(@"bad"), equalTo(@"good"), nil),
+                           @"ugly");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(anyOf(nil), @"Should require non-nil list");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsAnythingTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsAnythingTest.m
new file mode 100644
index 0000000..879b820
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsAnythingTest.m
@@ -0,0 +1,51 @@
+//
+//  OCHamcrest - IsAnythingTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsAnything.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsAnythingTest : AbstractMatcherTest
+@end
+
+@implementation IsAnythingTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return anything();
+}
+
+- (void)testAlwaysEvaluatesToTrue
+{
+    assertMatches(@"nil", anything(), nil);
+    assertMatches(@"object", anything(), [[NSObject alloc] init]);
+    assertMatches(@"string", anything(), @"hi");
+}
+
+- (void)testHasUsefulDefaultDescription
+{
+    assertDescription(@"ANYTHING", anything());
+}
+
+- (void)testCanOverrideDescription
+{
+    NSString *description = @"DESCRIPTION";
+    assertDescription(description, anythingWithDescription(description));
+}
+
+- (void)testMatchAlwaysSucceedsSoShouldNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(anything(), @"hi");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsNotTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsNotTest.m
new file mode 100644
index 0000000..fe7df68
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Logical/IsNotTest.m
@@ -0,0 +1,63 @@
+//
+//  OCHamcrest - IsNotTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsNot.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsNotTest : AbstractMatcherTest
+@end
+
+@implementation IsNotTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return isNot(@"something");
+}
+
+- (void)testEvaluatesToTheTheLogicalNegationOfAnotherMatcher
+{
+    assertMatches(@"invert mismatch", isNot(equalTo(@"A")), @"B");
+    assertDoesNotMatch(@"invert match", isNot(equalTo(@"A")), @"A");
+}
+
+- (void)testProvidesConvenientShortcutForNotEqualTo
+{
+    assertMatches(@"invert mismatch", isNot(@"A"), @"B");
+    assertDoesNotMatch(@"invert match", isNot(@"A"), @"A");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"not \"A\"", isNot(@"A"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(isNot(@"A"), @"B");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"A\"", isNot(@"A"), @"A");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"A\"", isNot(@"A"), @"A");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsCloseToTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsCloseToTest.m
new file mode 100644
index 0000000..e256636
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsCloseToTest.m
@@ -0,0 +1,81 @@
+//
+//  OCHamcrest - IsCloseToTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsCloseTo.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsCloseToTest : AbstractMatcherTest
+@end
+
+@implementation IsCloseToTest
+
+- (id<HCMatcher>)createMatcher
+{
+    double irrelevant = 0.1;
+    return closeTo(irrelevant, irrelevant);
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsEqualToADoubleValueWithinSomeError
+{
+    id<HCMatcher> matcher = closeTo(1.0, 0.5);
+
+    assertMatches(@"equal", matcher, @1.0);
+    assertMatches(@"less but within delta", matcher, @0.5);
+    assertMatches(@"greater but within delta", matcher, @1.5);
+
+    assertDoesNotMatch(@"too small", matcher, @0.4);
+    assertDoesNotMatch(@"too big", matcher, @1.6);
+}
+
+- (void)testFailsIfMatchingAgainstNonNumber
+{
+    id<HCMatcher> matcher = closeTo(1.0, 0.5);
+
+    assertDoesNotMatch(@"not a number", matcher, @"a");
+    assertDoesNotMatch(@"not a number", matcher, nil);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a numeric value within <0.5> of <1>", closeTo(1.0, 0.5));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(closeTo(1.0, 0.5), (@1.0));
+}
+
+- (void)testMismatchDescriptionShowsActualDeltaIfArgumentIsNumeric
+{
+    assertMismatchDescription(@"<1.7> differed by <0.7>",
+                              (closeTo(1.0, 0.5)), @1.7);
+}
+
+- (void)testMismatchDescriptionShowsActualArgumentIfNotNumeric
+{
+    assertMismatchDescription(@"was \"bad\"", (closeTo(1.0, 0.5)), @"bad");
+}
+
+- (void)testDescribeMismatchShowsActualDeltaIfArgumentIsNumeric
+{
+    assertDescribeMismatch(@"<1.7> differed by <0.7>",
+                           (closeTo(1.0, 0.5)), @1.7);
+}
+
+- (void)testDescribeMismatchShowsActualArgumentIfNotNumeric
+{
+    assertDescribeMismatch(@"was \"bad\"", (closeTo(1.0, 0.5)), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsEqualToNumberTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsEqualToNumberTest.m
new file mode 100644
index 0000000..beb571f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/IsEqualToNumberTest.m
@@ -0,0 +1,390 @@
+//
+//  OCHamcrest - IsEqualToNumberTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Module under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsEqualToNumber.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsEqualToBoolTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToBoolTest
+
+- (id<HCMatcher>)createMatcher
+{
+    BOOL irrelevant = NO;
+    return equalToBool(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large BOOL", equalToBool(YES), [NSNumber numberWithBool:YES]);
+    assertMatches(@"Small BOOL", equalToBool(NO), [NSNumber numberWithBool:NO]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToBool(YES), [NSNumber numberWithBool:NO]);
+}
+
+@end
+
+
+@interface IsEqualToCharTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToCharTest
+
+- (id<HCMatcher>)createMatcher
+{
+    char irrelevant = 0;
+    return equalToChar(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large char", equalToChar(CHAR_MAX), [NSNumber numberWithChar:CHAR_MAX]);
+    assertMatches(@"Small char", equalToChar(CHAR_MIN), [NSNumber numberWithChar:CHAR_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToChar(CHAR_MAX), [NSNumber numberWithChar:CHAR_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToDoubleTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToDoubleTest
+
+- (id<HCMatcher>)createMatcher
+{
+    double irrelevant = 0;
+    return equalToDouble(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large double", equalToDouble(DBL_MAX), [NSNumber numberWithDouble:DBL_MAX]);
+    assertMatches(@"Small double", equalToDouble(DBL_MIN), [NSNumber numberWithDouble:DBL_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToDouble(DBL_MAX), [NSNumber numberWithDouble:DBL_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToFloatTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToFloatTest
+
+- (id<HCMatcher>)createMatcher
+{
+    float irrelevant = 0;
+    return equalToFloat(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large float", equalToFloat(FLT_MAX), [NSNumber numberWithFloat:FLT_MAX]);
+    assertMatches(@"Small float", equalToFloat(FLT_MIN), [NSNumber numberWithFloat:FLT_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToFloat(FLT_MAX), [NSNumber numberWithFloat:FLT_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToIntTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToIntTest
+
+- (id<HCMatcher>)createMatcher
+{
+    int irrelevant = 0;
+    return equalToInt(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large int", equalToInt(INT_MAX), [NSNumber numberWithInt:INT_MAX]);
+    assertMatches(@"Small int", equalToInt(INT_MIN), [NSNumber numberWithInt:INT_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToInt(INT_MAX), [NSNumber numberWithInt:INT_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToLongTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToLongTest
+
+- (id<HCMatcher>)createMatcher
+{
+    long irrelevant = 0;
+    return equalToLong(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large long", equalToLong(LONG_MAX), [NSNumber numberWithLong:LONG_MAX]);
+    assertMatches(@"Small long", equalToLong(LONG_MIN), [NSNumber numberWithLong:LONG_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToLong(LONG_MAX), [NSNumber numberWithLong:LONG_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToLongLongTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToLongLongTest
+
+- (id<HCMatcher>)createMatcher
+{
+    long long irrelevant = 0;
+    return equalToLongLong(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large long long", equalToLongLong(LLONG_MAX), [NSNumber numberWithLongLong:LLONG_MAX]);
+    assertMatches(@"Small long long", equalToLongLong(LLONG_MIN), [NSNumber numberWithLongLong:LLONG_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToLongLong(LLONG_MAX), [NSNumber numberWithLongLong:LLONG_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToShortTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToShortTest
+
+- (id<HCMatcher>)createMatcher
+{
+    short irrelevant = 0;
+    return equalToShort(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large short", equalToShort(SHRT_MAX), [NSNumber numberWithShort:SHRT_MAX]);
+    assertMatches(@"Small short", equalToShort(SHRT_MIN), [NSNumber numberWithShort:SHRT_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToShort(SHRT_MAX), [NSNumber numberWithShort:SHRT_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedCharTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedCharTest
+
+- (id<HCMatcher>)createMatcher
+{
+    unsigned char irrelevant = 0;
+    return equalToUnsignedChar(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large unsigned char", equalToUnsignedChar(UCHAR_MAX), [NSNumber numberWithUnsignedChar:UCHAR_MAX]);
+    assertMatches(@"Small unsigned char", equalToUnsignedChar(0), [NSNumber numberWithUnsignedChar:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedChar(CHAR_MAX), [NSNumber numberWithUnsignedChar:0]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedIntTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedIntTest
+
+- (id<HCMatcher>)createMatcher
+{
+    unsigned int irrelevant = 0;
+    return equalToUnsignedInt(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large unsigned int", equalToUnsignedInt(UINT_MAX), [NSNumber numberWithUnsignedInt:UINT_MAX]);
+    assertMatches(@"Small unsigned int", equalToUnsignedInt(0), [NSNumber numberWithUnsignedInt:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedInt(INT_MAX), [NSNumber numberWithUnsignedInt:0]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedLongTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedLongTest
+
+- (id<HCMatcher>)createMatcher
+{
+    unsigned long irrelevant = 0;
+    return equalToUnsignedLong(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large unsigned long", equalToUnsignedLong(ULONG_MAX), [NSNumber numberWithUnsignedLong:ULONG_MAX]);
+    assertMatches(@"Small unsigned long", equalToUnsignedLong(0), [NSNumber numberWithUnsignedLong:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedLong(LONG_MAX), [NSNumber numberWithUnsignedLong:0]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedLongLongTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedLongLongTest
+
+- (id<HCMatcher>)createMatcher
+{
+    unsigned long long irrelevant = 0;
+    return equalToUnsignedLongLong(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large unsigned long long", equalToUnsignedLongLong(ULLONG_MAX), [NSNumber numberWithUnsignedLongLong:ULLONG_MAX]);
+    assertMatches(@"Small unsigned long long", equalToUnsignedLongLong(0), [NSNumber numberWithUnsignedLongLong:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedLongLong(ULLONG_MAX), [NSNumber numberWithUnsignedLongLong:0]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedShortTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedShortTest
+
+- (id<HCMatcher>)createMatcher
+{
+    unsigned short irrelevant = 0;
+    return equalToUnsignedShort(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large unsigned short", equalToUnsignedShort(USHRT_MAX), [NSNumber numberWithUnsignedShort:USHRT_MAX]);
+    assertMatches(@"Small unsigned short", equalToUnsignedShort(0), [NSNumber numberWithUnsignedShort:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedShort(USHRT_MAX), [NSNumber numberWithUnsignedShort:0]);
+}
+
+@end
+
+
+@interface IsEqualToIntegerTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToIntegerTest
+
+- (id<HCMatcher>)createMatcher
+{
+    NSInteger irrelevant = 0;
+    return equalToInteger(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large NSInteger", equalToInteger(INT_MAX), [NSNumber numberWithInteger:INT_MAX]);
+    assertMatches(@"Small NSInteger", equalToInteger(INT_MIN), [NSNumber numberWithInteger:INT_MIN]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToInteger(INT_MAX), [NSNumber numberWithInteger:INT_MIN]);
+}
+
+@end
+
+
+@interface IsEqualToUnsignedIntegerTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualToUnsignedIntegerTest
+
+- (id<HCMatcher>)createMatcher
+{
+    NSUInteger irrelevant = 0;
+    return equalToUnsignedInteger(irrelevant);
+}
+
+- (void)testComparesWithNSNumber
+{
+    assertMatches(@"Large NSUInteger", equalToUnsignedInteger(UINT_MAX), [NSNumber numberWithUnsignedInteger:UINT_MAX]);
+    assertMatches(@"Small NSUInteger", equalToUnsignedInteger(0), [NSNumber numberWithUnsignedInteger:0]);
+}
+
+- (void)testMismatchesDifferentNumber
+{
+    assertDoesNotMatch(@"Different", equalToUnsignedInteger(INT_MAX), [NSNumber numberWithUnsignedInteger:0]);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/NumberAssertTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/NumberAssertTest.m
new file mode 100644
index 0000000..333dc46
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/NumberAssertTest.m
@@ -0,0 +1,317 @@
+//
+//  OCHamcrest - NumberAssertTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Module under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCNumberAssert.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface NumberAssertTest : SenTestCase
+@end
+
+@implementation NumberAssertTest
+
+- (void)setUp
+{
+    [super setUp];
+    [self raiseAfterFailure];
+}
+
+- (void)testSuccess_withBool
+{
+    assertThatBool(YES, equalTo([NSNumber numberWithBool:YES]));
+}
+
+- (void)testFailure_withBool
+{
+    @try
+    {
+        assertThatBool(YES, equalTo([NSNumber numberWithBool:NO]));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <0>, but was <1>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withChar
+{
+    assertThatChar('A', equalTo(@'A'));
+}
+
+- (void)testFailure_withChar
+{
+    @try
+    {
+        assertThatChar('B', equalTo(@'A'));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <65>, but was <66>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withDouble
+{
+    assertThatDouble(1.5, equalTo(@1.5));
+}
+
+- (void)testFailure_withDouble
+{
+    @try
+    {
+        assertThatDouble(2.5, equalTo(@1.5));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1.5>, but was <2.5>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withFloat
+{
+    assertThatFloat(1.5f, equalTo(@1.5f));
+}
+
+- (void)testFailure_withFloat
+{
+    @try
+    {
+        assertThatFloat(2.5f, equalTo(@1.5f));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1.5>, but was <2.5>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withInt
+{
+    assertThatInt(1, equalTo(@1));
+}
+
+- (void)testFailure_withInt
+{
+    @try
+    {
+        assertThatInt(2, equalTo(@1));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withLong
+{
+    assertThatLong(1L, equalTo(@1L));
+}
+
+- (void)testFailure_withLong
+{
+    @try
+    {
+        assertThatLong(2L, equalTo(@1L));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withLongLong
+{
+    assertThatLongLong(1LL, equalTo(@1LL));
+}
+
+- (void)testFailure_withLongLong
+{
+    @try
+    {
+        assertThatLongLong(2LL, equalTo(@1LL));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withShort
+{
+    assertThatShort(1, equalTo([NSNumber numberWithShort:1]));
+}
+
+- (void)testFailure_withShort
+{
+    @try
+    {
+        assertThatShort(2, equalTo([NSNumber numberWithShort:1]));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedChar
+{
+    assertThatUnsignedChar('A', equalTo([NSNumber numberWithUnsignedChar:'A']));
+}
+
+- (void)testFailure_withUnsignedChar
+{
+    @try
+    {
+        assertThatUnsignedChar('B', equalTo([NSNumber numberWithUnsignedChar:'A']));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <65>, but was <66>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedInt
+{
+    assertThatUnsignedInt(1U, equalTo(@1U));
+}
+
+- (void)testFailure_withUnsignedInt
+{
+    @try
+    {
+        assertThatUnsignedInt(2U, equalTo(@1U));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedLong
+{
+    assertThatUnsignedLong(1UL, equalTo(@1UL));
+}
+
+- (void)testFailure_withUnsignedLong
+{
+    @try
+    {
+        assertThatUnsignedLong(2UL, equalTo(@1UL));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedLongLong
+{
+    assertThatUnsignedLongLong(1ULL, equalTo(@1ULL));
+}
+
+- (void)testFailure_withUnsignedLongLong
+{
+    @try
+    {
+        assertThatUnsignedLongLong(2ULL, equalTo(@1ULL));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects(@"Expected <1>, but was <2>", [exception reason], nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedShort
+{
+    assertThatUnsignedShort(1U, equalTo([NSNumber numberWithUnsignedShort:1U]));
+}
+
+- (void)testFailure_withUnsignedShort
+{
+    @try
+    {
+        assertThatUnsignedShort(2U, equalTo([NSNumber numberWithUnsignedShort:1U]));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withInteger
+{
+    assertThatInteger(1, equalTo(@1));
+}
+
+- (void)testFailure_withInteger
+{
+    @try
+    {
+        assertThatInteger(2, equalTo(@1));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+- (void)testSuccess_withUnsignedInteger
+{
+    assertThatUnsignedInteger(1, equalTo([NSNumber numberWithUnsignedInteger:1]));
+}
+
+- (void)testFailure_withUnsignedInteger
+{
+    @try
+    {
+        assertThatUnsignedInteger(2, equalTo([NSNumber numberWithUnsignedInteger:1]));
+    }
+    @catch (NSException* exception)
+    {
+        STAssertEqualObjects([exception reason], @"Expected <1>, but was <2>", nil);
+        return;
+    }
+    STFail(@"should have failed");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/OrderingComparisonTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/OrderingComparisonTest.m
new file mode 100644
index 0000000..62c3cf0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Number/OrderingComparisonTest.m
@@ -0,0 +1,111 @@
+//
+//  OCHamcrest - OrderingComparisonTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCOrderingComparison.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface OrderingComparisonTest : AbstractMatcherTest
+@end
+
+@implementation OrderingComparisonTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return nil;     // Ignore the inherited tests; they don't work well for this class.
+}
+
+- (void)testComparesObjectsForGreaterThan
+{
+    assertMatches(@"match", greaterThan(@1), @2);
+    assertDoesNotMatch(@"no match", greaterThan(@1), @1);
+}
+
+- (void)testComparesObjectsForLessThan
+{
+    assertMatches(@"match", lessThan(@1), @0);
+    assertDoesNotMatch(@"no match", lessThan(@1), @1);
+}
+
+- (void)testComparesObjectsForGreaterThanOrEqualTo
+{
+    assertMatches(@"match", greaterThanOrEqualTo(@1), @2);
+    assertMatches(@"match", greaterThanOrEqualTo(@1), @1);
+    assertDoesNotMatch(@"no match", greaterThanOrEqualTo(@1), @0);
+}
+
+- (void)testComparesObjectsForLessThanOrEqualTo
+{
+    assertMatches(@"match", lessThanOrEqualTo(@1), @0);
+    assertMatches(@"match", lessThanOrEqualTo(@1), @1);
+    assertDoesNotMatch(@"no match", lessThanOrEqualTo(@1), @2);
+}
+
+- (void)testDoesNotMatchNil
+{
+    assertDoesNotMatch(@"nil argument", greaterThan(@1), nil);
+}
+
+- (void)testSupportsDifferentTypesOfComparableObjects
+{
+    assertMatches(@"strings", greaterThan(@"bb"), @"cc");
+    assertMatches(@"dates", lessThan([NSDate date]), [NSDate distantPast]);
+}
+
+- (void)testMatcherCreationRequiresObjectWithCompareMethod
+{
+    id object = [[NSObject alloc] init];
+    STAssertThrows(greaterThan(object), @"object does not have -compare: method");
+}
+
+- (void)testHasAReadableDescription
+{
+    id one = @1;
+    
+    assertDescription(@"a value greater than <1>", greaterThan(one));
+    assertDescription(@"a value greater than or equal to <1>", greaterThanOrEqualTo(one));
+    assertDescription(@"a value less than <1>", lessThan(one));
+    assertDescription(@"a value less than or equal to <1>", lessThanOrEqualTo(one));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    id one = @1;
+
+    assertNoMismatchDescription(greaterThan(one), @2);
+    assertNoMismatchDescription(lessThan(one), @0);
+    assertNoMismatchDescription(greaterThanOrEqualTo(one), @1);
+    assertNoMismatchDescription(lessThanOrEqualTo(one), @1);
+}
+
+- (void)testMismatchDescription
+{
+    id one = @1;
+    
+    assertMismatchDescription(@"was <0>", greaterThan(one), @0);
+    assertMismatchDescription(@"was <2>", lessThan(one), @2);
+    assertMismatchDescription(@"was <0>", greaterThanOrEqualTo(one), @0);
+    assertMismatchDescription(@"was <2>", lessThanOrEqualTo(one), @2);
+}
+
+- (void)testDescribeMismatch
+{
+    id one = @1;
+    
+    assertDescribeMismatch(@"was <0>", greaterThan(one), @0);
+    assertDescribeMismatch(@"was <2>", lessThan(one), @2);
+    assertDescribeMismatch(@"was <0>", greaterThanOrEqualTo(one), @0);
+    assertDescribeMismatch(@"was <2>", lessThanOrEqualTo(one), @2);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/ConformsToProtocolTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/ConformsToProtocolTest.m
new file mode 100644
index 0000000..9106a8b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/ConformsToProtocolTest.m
@@ -0,0 +1,78 @@
+//
+//  OCHamcrest - ConformsToProtocolTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Todd Farrell
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCConformsToProtocol.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@protocol TestProtocol
+@end
+
+@interface TestClass : NSObject <TestProtocol>
+@end
+
+@implementation TestClass
+
++ (TestClass *)testClass
+{
+    return [[TestClass alloc] init];
+}
+
+@end
+
+#pragma mark -
+
+@interface ConformsToProtocolTest : AbstractMatcherTest
+@end
+
+@implementation ConformsToProtocolTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return conformsTo(@protocol(TestProtocol));
+}
+
+- (void)testEvaluatesToTrueIfArgumentConformsToASpecificProtocol
+{
+    TestClass *instance = [TestClass testClass];
+
+    assertMatches(@"conforms to protocol", conformsTo(@protocol(TestProtocol)), instance);
+
+    assertDoesNotMatch(@"does not conform to protocol", conformsTo(@protocol(TestProtocol)), @"hi");
+    assertDoesNotMatch(@"nil", conformsTo(@protocol(TestProtocol)), nil);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{
+    STAssertThrows(conformsTo(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"an object that conforms to TestProtocol", conformsTo(@protocol(TestProtocol)));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(conformsTo(@protocol(NSObject)), @"hi");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", conformsTo(@protocol(TestProtocol)), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", conformsTo(@protocol(TestProtocol)), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasDescriptionTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasDescriptionTest.m
new file mode 100644
index 0000000..17bbce9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasDescriptionTest.m
@@ -0,0 +1,84 @@
+//
+//  OCHamcrest - HasDescriptionTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCHasDescription.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+static NSString *fakeDescription = @"DESCRIPTION";
+
+@interface FakeWithDescription : NSObject
+@end
+
+@implementation FakeWithDescription
++ (id)fake  { return [[self alloc] init]; }
+- (NSString *)description  { return fakeDescription; }
+@end
+
+
+#pragma mark -
+
+@interface HasDescriptionTest : AbstractMatcherTest
+@end
+
+@implementation HasDescriptionTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasDescription(equalTo(@"irrelevant"));
+}
+
+- (void)testPassesResultOfDescriptionToNestedMatcher
+{
+    FakeWithDescription* fake = [FakeWithDescription fake];
+    assertMatches(@"equal", hasDescription(equalTo(fakeDescription)), fake);
+    assertDoesNotMatch(@"unequal", hasDescription(equalTo(@"foo")), fake);
+}
+
+- (void)testProvidesConvenientShortcutForDescriptionEqualTo
+{
+    FakeWithDescription* fake = [FakeWithDescription fake];
+    assertMatches(@"equal", hasDescription(fakeDescription), fake);
+    assertDoesNotMatch(@"unequal", hasDescription(@"foo"), fake);
+}
+
+- (void)testMismatchDoesNotRepeatTheDescription
+{
+    FakeWithDescription* fake = [FakeWithDescription fake];
+    assertMismatchDescription(@"was \"DESCRIPTION\"", hasDescription(@"foo"), fake);
+}
+
+- (void)testHasReadableDescription
+{
+    assertDescription(@"an object with description \"foo\"", hasDescription(@"foo"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(hasDescription(@"DESCRIPTION"), [FakeWithDescription fake]);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasDescription(@"foo"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasDescription(@"foo"), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasPropertyTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasPropertyTest.m
new file mode 100644
index 0000000..864be61
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/HasPropertyTest.m
@@ -0,0 +1,300 @@
+//
+//  OCHamcrest - HasPropertyTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Justin Shacklette
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCHasProperty.h>
+
+    // Collaborators
+#import <OCHamcrest/HCIsEqual.h>
+#import <OCHamcrest/HCIsEqualToNumber.h>
+#import <OCHamcrest/HCIsNil.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface Person : NSObject
+@property (copy, nonatomic) NSString *name;
+- (NSNumber *)shoeSize;
+@end
+
+@implementation Person
+{
+    NSNumber *_shoeSize;
+}
+
+- (id) initWithName:(NSString *)name shoeSize:(int)shoeSize
+{
+    self = [super init];
+    if (self)
+    {
+        _name = name;
+        _shoeSize = [[NSNumber alloc] initWithInt:shoeSize];
+    }
+    return self;
+}
+
+- (NSNumber *)shoeSize
+{
+    return _shoeSize;
+}
+
+@end
+
+
+#pragma mark -
+
+@interface HasPropertyTest : AbstractMatcherTest
+@end
+
+@implementation HasPropertyTest
+{
+    Person *joe;
+    Person *nobody;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    joe = [[Person alloc] initWithName:@"Joe" shoeSize:13];
+    nobody = [[Person alloc] initWithName:nil shoeSize:0];
+}
+
+- (void)tearDown
+{
+    joe = nil;
+    nobody = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return hasProperty(@"irrelevant", @"irrelevant");
+}
+
+- (void)testCanMatchStringPropertyValues
+{
+    assertMatches(@"equal string property values", hasProperty(@"name", @"Joe"), joe);
+    assertDoesNotMatch(@"unequal string property values", hasProperty(@"name", @"Bob"), joe);
+    assertDoesNotMatch(@"unequal string property values", hasProperty(@"name", nil), joe);
+}
+
+- (void)testCanMatchStringPropertyValuesWithMatchers
+{
+    assertMatches(@"equal string property values", hasProperty(@"name", equalTo(@"Joe")), joe);
+    assertDoesNotMatch(@"unequal string property values", hasProperty(@"name", equalTo(@"Bob")), joe);
+    assertDoesNotMatch(@"unequal string property values", hasProperty(@"name", nilValue()), joe);
+}
+
+- (void)testCanMatchNumberPropertyValues
+{
+    assertMatches(@"equal int property values", hasProperty(@"shoeSize", equalToInt(13)), joe);
+    assertDoesNotMatch(@"unequal int property values", hasProperty(@"shoeSize", equalToInt(3)), joe);
+    assertDoesNotMatch(@"unequal int property values", hasProperty(@"shoeSize", equalToInt(-3)), joe);
+}
+
+- (void)testNilPropertyValues
+{
+    assertMatches(@"equal nil property values", hasProperty(@"name", nilValue()), nobody);
+    assertDoesNotMatch(@"unequal nil property values", hasProperty(@"name", @"Bob"), nobody);
+}
+
+- (void)testMatcherCreationRequiresNonNilPropertyName
+{    
+    STAssertThrows(hasProperty(nil, nil), @"Should require non-nil property name");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"an object with name \"Joe\"", hasProperty(@"name", @"Joe"));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(hasProperty(@"name", @"Joe"), joe);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", hasProperty(@"foo", @"foo"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", hasProperty(@"foo", @"foo"), @"bad");
+}
+
+@end
+
+
+#pragma mark -
+
+@interface ValueHolder : NSObject
+
+@property (assign, nonatomic) BOOL boolValue;
+@property (assign, nonatomic) char charValue;
+@property (assign, nonatomic) int intValue;
+@property (assign, nonatomic) short shortValue;
+@property (assign, nonatomic) long longValue;
+@property (assign, nonatomic) long long longLongValue;
+@property (assign, nonatomic) unsigned char unsignedCharValue;
+@property (assign, nonatomic) unsigned int unsignedIntValue;
+@property (assign, nonatomic) unsigned short unsignedShortValue;
+@property (assign, nonatomic) unsigned long unsignedLongValue;
+@property (assign, nonatomic) unsigned long long unsignedLongLongValue;
+@property (assign, nonatomic) float floatValue;
+@property (assign, nonatomic) double doubleValue;
+
+@end
+
+@implementation ValueHolder
+@end
+
+
+#pragma mark -
+
+@interface HasPropertyPrimitivesTest : AbstractMatcherTest
+@end
+
+@implementation HasPropertyPrimitivesTest
+{
+    ValueHolder *foo;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    foo = [[ValueHolder alloc] init];
+}
+
+- (void)tearDown
+{
+    foo = nil;
+    [super tearDown];
+}
+
+- (void)testCanMatchPrimitiveBoolValues 
+{
+    foo.boolValue = YES;
+    assertMatches(@"BOOL should match", hasProperty(@"boolValue", equalToBool(YES)), foo);
+    assertDoesNotMatch(@"BOOL should not match", hasProperty(@"boolValue", equalToBool(NO)), foo);
+}
+
+- (void)testCanMatchPrimitiveCharValues 
+{
+    foo.charValue = 'a';
+    assertMatches(@"char should match", hasProperty(@"charValue", equalToChar('a')), foo);
+    assertDoesNotMatch(@"char should not match", hasProperty(@"charValue", equalToChar('b')), foo);
+}
+
+- (void)testCanMatchPrimitiveIntValues 
+{
+    foo.intValue = INT_MIN;
+    assertMatches(@"int should match", hasProperty(@"intValue", equalToInt(INT_MIN)), foo);
+    assertDoesNotMatch(@"int should not match", hasProperty(@"intValue", equalToInt(-2)), foo);
+}
+
+- (void)testCanMatchPrimitiveShortValues 
+{
+    foo.shortValue = -2;
+    assertMatches(@"short should match", hasProperty(@"shortValue", equalToShort(-2)), foo);
+    assertDoesNotMatch(@"short should not match", hasProperty(@"shortValue", equalToShort(-1)), foo);
+}
+
+- (void)testCanMatchPrimitiveLongValues 
+{
+    foo.longValue = LONG_MIN;
+    assertMatches(@"long should match", hasProperty(@"longValue", equalToLong(LONG_MIN)), foo);
+    assertDoesNotMatch(@"long should not match",
+                       hasProperty(@"longValue", equalToLong(LONG_MIN + 1)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveLongLongValues 
+{
+    foo.longLongValue = LONG_MIN - 1;
+    assertMatches(@"long long should match",
+                  hasProperty(@"longLongValue", equalToLongLong(LONG_MIN - 1)),
+                  foo);
+    assertDoesNotMatch(@"long long should not match",
+                       hasProperty(@"longLongValue", equalToLongLong(LONG_MIN)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveUnsignedCharValues 
+{
+    foo.unsignedCharValue = 'b';
+    assertMatches(@"unsigned char should match",
+                  hasProperty(@"unsignedCharValue", equalToUnsignedChar('b')),
+                  foo);
+    assertDoesNotMatch(@"unsigned char should not match",
+                       hasProperty(@"unsignedCharValue", equalToUnsignedChar('c')),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveUnsignedIntValues 
+{
+    foo.unsignedIntValue = UINT_MAX;
+    assertMatches(@"unsigned int should match",
+                  hasProperty(@"unsignedIntValue", equalToUnsignedInt(UINT_MAX)),
+                  foo);
+    assertDoesNotMatch(@"unsigned int should not match",
+                       hasProperty(@"unsignedIntValue", equalToUnsignedInt(UINT_MAX - 1)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveUnsignedShortValues 
+{
+    foo.unsignedShortValue = 2;
+    assertMatches(@"unsigned short should match",
+                  hasProperty(@"unsignedShortValue", equalToUnsignedShort(2)),
+                  foo);
+    assertDoesNotMatch(@"unsigned short should not match",
+                       hasProperty(@"unsignedShortValue", equalToUnsignedShort(3)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveUnsignedLongValues 
+{
+    foo.unsignedLongValue = ULONG_MAX;
+    assertMatches(@"unsigned long should match",
+                  hasProperty(@"unsignedLongValue", equalToUnsignedLong(ULONG_MAX)),
+                  foo);
+    assertDoesNotMatch(@"unsigned long should not match",
+                       hasProperty(@"unsignedLongValue", equalToUnsignedLong(ULONG_MAX - 1)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveUnsignedLongLongValues 
+{
+    foo.unsignedLongLongValue = ULLONG_MAX;
+    assertMatches(@"unsigned long long should match",
+                  hasProperty(@"unsignedLongLongValue", equalToUnsignedLongLong(ULLONG_MAX)),
+                  foo);
+    assertDoesNotMatch(@"unsigned long long should not match",
+                       hasProperty(@"unsignedLongLongValue", equalToUnsignedLongLong(ULLONG_MAX - 1)),
+                       foo);
+}
+
+- (void)testCanMatchPrimitiveFloatValues 
+{
+    foo.floatValue = 1.2f;
+    assertMatches(@"float should match", hasProperty(@"floatValue", equalToFloat(1.2f)), foo);
+    assertDoesNotMatch(@"float should not match", hasProperty(@"floatValue", equalToFloat(1.3f)), foo);
+}
+
+- (void)testCanMatchPrimitiveDoubleValues 
+{
+    foo.doubleValue = DBL_MAX;
+    assertMatches(@"double should match", hasProperty(@"doubleValue", equalToDouble(DBL_MAX)), foo);
+    assertDoesNotMatch(@"double should not match",
+                       hasProperty(@"doubleValue", equalToDouble(3.14)),
+                       foo);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsEqualTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsEqualTest.m
new file mode 100644
index 0000000..319426f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsEqualTest.m
@@ -0,0 +1,111 @@
+//
+//  OCHamcrest - IsEqualTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsEqual.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface FakeArgument : NSObject
+@end
+
+@implementation FakeArgument
+- (NSString *)description  { return @"ARGUMENT DESCRIPTION"; }
+@end
+
+
+#pragma mark -
+
+@interface AlwaysEqual : NSObject
+@end
+
+@implementation AlwaysEqual
+- (BOOL)isEqual:(id)anObject  { return YES; }
+@end
+
+
+#pragma mark -
+
+@interface NeverEqual : NSObject
+@end
+
+@implementation NeverEqual
+- (BOOL)isEqual:(id)anObject  { return NO; }
+@end
+
+
+#pragma mark -
+
+@interface IsEqualTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return equalTo(@"irrelevant");
+}
+
+- (void)testComparesObjectsUsingIsEqualMethod
+{
+    assertMatches(@"equal strings", equalTo(@"hi"), @"hi");
+    assertDoesNotMatch(@"unequal strings", equalTo(@"hi"), @"bye");
+}
+
+- (void)testCanCompareNilValues
+{
+    assertMatches(@"nil equals nil", equalTo(nil), nil);
+
+    assertDoesNotMatch(@"nil as argument", equalTo(@"hi"), nil);
+    assertDoesNotMatch(@"nil in equalTo", equalTo(nil), @"hi");
+}
+
+- (void)testHonorsIsEqualImplementationEvenWithNilValues
+{
+    assertMatches(@"always equal", equalTo(nil), [[AlwaysEqual alloc] init]);
+    assertDoesNotMatch(@"never equal", equalTo(nil), [[NeverEqual alloc] init]);
+}
+
+- (void)testIncludesTheResultOfCallingDescriptionOnItsArgumentInTheDescription
+{
+    assertDescription(@"<ARGUMENT DESCRIPTION>", equalTo([[FakeArgument alloc] init]));
+}
+
+- (void)testReturnsAnObviousDescriptionIfCreatedWithANestedMatcherByMistake
+{
+    id innerMatcher = equalTo(@"NestedMatcher");
+    assertDescription(([[NSArray arrayWithObjects:@"<", [innerMatcher description], @">", nil]
+                            componentsJoinedByString:@""]),
+                      equalTo(innerMatcher));
+}
+
+- (void)testReturnsGoodDescriptionIfCreatedWithNilReference
+{
+    assertDescription(@"nil", equalTo(nil));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(equalTo(@"hi"), @"hi");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", equalTo(@"good"), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", equalTo(@"good"), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsInstanceOfTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsInstanceOfTest.m
new file mode 100644
index 0000000..343bc42
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsInstanceOfTest.m
@@ -0,0 +1,64 @@
+//
+//  OCHamcrest - IsInstanceOfTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsInstanceOf.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsInstanceOfTest : AbstractMatcherTest
+@end
+
+@implementation IsInstanceOfTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return instanceOf([NSNumber class]);
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsInstanceOfASpecificClass
+{
+    NSNumber *number = @1;
+
+    assertMatches(@"same class", instanceOf([NSNumber class]), number);
+    assertMatches(@"subclass", instanceOf([NSValue class]), number);
+
+    assertDoesNotMatch(@"different class", instanceOf([NSNumber class]), @"hi");
+    assertDoesNotMatch(@"nil", instanceOf([NSNumber class]), nil);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{
+    STAssertThrows(instanceOf(nil), @"Should require non-nil argument");
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"an instance of NSNumber", instanceOf([NSNumber class]));
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(instanceOf([NSString class]), @"hi");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", instanceOf([NSNumber class]), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", instanceOf([NSNumber class]), @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsNilTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsNilTest.m
new file mode 100644
index 0000000..acf628f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsNilTest.m
@@ -0,0 +1,108 @@
+//
+//  OCHamcrest - IsNilTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsNil.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsNilTest : AbstractMatcherTest
+@end
+
+@implementation IsNilTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return nilValue();
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsNil
+{
+    assertMatches(@"nil", nilValue(), nil);
+}
+
+- (void)testEvaluatesToFalseIfArgumentIsNotNil
+{
+    id ANY_NON_NULL_ARGUMENT = [[NSObject alloc] init];
+
+    assertDoesNotMatch(@"not nil", nilValue(), ANY_NON_NULL_ARGUMENT);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"nil", nilValue());
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(nilValue(), nil);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", nilValue(), @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", nilValue(), @"bad");
+}
+
+@end
+
+
+#pragma mark -
+
+@interface NotNilTest : AbstractMatcherTest
+@end
+
+@implementation NotNilTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return notNilValue();
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsNotNil
+{
+    id ANY_NON_NULL_ARGUMENT = [[NSObject alloc] init];
+
+    assertMatches(@"not nil", notNilValue(), ANY_NON_NULL_ARGUMENT);
+}
+
+- (void)testEvaluatesToFalseIfArgumentIsNil
+{
+    assertDoesNotMatch(@"nil", notNilValue(), nil);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"not nil", notNilValue());
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(notNilValue(), @"hi");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was nil", notNilValue(), nil);
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was nil", notNilValue(), nil);
+}
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsSameTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsSameTest.m
new file mode 100644
index 0000000..dd7191e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Object/IsSameTest.m
@@ -0,0 +1,99 @@
+//
+//  OCHamcrest - IsSameTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsSame.h>
+
+    // Collaborators
+#import <OCHamcrest/HCAssertThat.h>
+#import <OCHamcrest/HCIsNot.h>
+#import <OCHamcrest/HCStringDescription.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsSameTest : AbstractMatcherTest
+@end
+
+@implementation IsSameTest
+
+- (id<HCMatcher>)createMatcher
+{
+    return sameInstance(@"irrelevant");
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsReferenceToASpecifiedObject
+{
+    id o1 = [[NSObject alloc] init];
+    id o2 = [[NSObject alloc] init];
+
+    assertThat(o1, sameInstance(o1));
+    assertThat(o2, isNot(sameInstance(o1)));
+}
+
+- (void)testDoesNotMatchEqualObjects
+{
+    NSString *string1 = @"foobar";
+    NSString *string2 = [@"foo" stringByAppendingString:@"bar"];
+
+    assertDoesNotMatch(@"not the same object", sameInstance(string1), string2);
+}
+
+- (void)testDescriptionIncludesMemoryAddress
+{
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    NSPredicate *expected = [NSPredicate predicateWithFormat:
+                             @"SELF MATCHES 'same instance as 0x[0-9a-fA-F]+ \"abc\"'"];
+
+    [description appendDescriptionOf:sameInstance(@"abc")];
+    STAssertTrue([expected evaluateWithObject:[description description]], nil);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    id o1 = [[NSObject alloc] init];
+    assertNoMismatchDescription(sameInstance(o1), o1);
+}
+
+- (void)testMismatchDescriptionShowsActualArgumentAddress
+{
+    id<HCMatcher> matcher = sameInstance(@"foo");
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    NSPredicate *expected = [NSPredicate predicateWithFormat:
+                             @"SELF MATCHES 'was 0x[0-9a-fA-F]+ \"hi\"'"];
+
+    BOOL result = [matcher matches:@"hi" describingMismatchTo:description];
+    STAssertFalse(result, @"Precondition: Matcher should not match item");
+    STAssertTrue([expected evaluateWithObject:[description description]], nil);
+}
+
+- (void)testMismatchDescriptionWithNilShouldNotIncludeAddress
+{
+    assertMismatchDescription(@"was nil", sameInstance(@"foo"), nil);
+}
+
+- (void)testDescribeMismatch
+{
+    id<HCMatcher> matcher = sameInstance(@"foo");
+    HCStringDescription *description = [HCStringDescription stringDescription];
+    NSPredicate *expected = [NSPredicate predicateWithFormat:
+                             @"SELF MATCHES 'was 0x[0-9a-fA-F]+ \"hi\"'"];
+
+    [matcher describeMismatchOf:@"hi" to:description];
+    STAssertTrue([expected evaluateWithObject:[description description]], nil);
+}
+
+- (void)testDescribeMismatchWithNilShouldNotIncludeAddress
+{
+    assertDescribeMismatch(@"was nil", sameInstance(@"foo"), nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringCaseTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringCaseTest.m
new file mode 100644
index 0000000..643f054
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringCaseTest.m
@@ -0,0 +1,88 @@
+//
+//  OCHamcrest - IsEqualIgnoringCaseTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsEqualIgnoringCase.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsEqualIgnoringCaseTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualIgnoringCaseTest
+{
+    id <HCMatcher> matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = equalToIgnoringCase(@"heLLo");
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testIgnoresCaseOfCharsInString
+{
+    assertMatches(@"all upper", matcher, @"HELLO");
+    assertMatches(@"all lower", matcher, @"hello");
+    assertMatches(@"mixed up", matcher, @"HelLo");
+    
+    assertDoesNotMatch(@"no match", matcher, @"bye");
+}
+
+- (void)testFailsIfAdditionalWhitespaceIsPresent
+{
+    assertDoesNotMatch(@"whitespace suffix", matcher, @"heLLo ");
+    assertDoesNotMatch(@"whitespace prefix", matcher, @" heLLo");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{
+    STAssertThrows(equalToIgnoringCase(nil), @"Should require non-nil argument");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"\"heLLo\" ignoring case", matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(matcher, @"hello");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringWhiteSpaceTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringWhiteSpaceTest.m
new file mode 100644
index 0000000..1acd9b7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/IsEqualIgnoringWhiteSpaceTest.m
@@ -0,0 +1,93 @@
+//
+//  OCHamcrest - IsEqualIgnoringWhiteSpaceTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCIsEqualIgnoringWhiteSpace.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface IsEqualIgnoringWhiteSpaceTest : AbstractMatcherTest
+@end
+
+@implementation IsEqualIgnoringWhiteSpaceTest
+{
+    id <HCMatcher> matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = equalToIgnoringWhiteSpace(@"Hello World   how\n are we? ");
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testPassesIfWordsAreSameButWhitespaceDiffers
+{
+    assertMatches(@"less whitespace", matcher, @"Hello World how are we?");
+    assertMatches(@"more whitespace", matcher, @"   Hello World   how are \n\n\twe?");
+}
+
+- (void)testFailsIfTextOtherThanWhitespaceDiffers
+{
+    assertDoesNotMatch(@"wrong word", matcher, @"Hello PLANET how are we?");
+    assertDoesNotMatch(@"incomplete", matcher, @"Hello World how are we");
+}
+
+- (void)testFailsIfWhitespaceIsAddedOrRemovedInMidWord
+{
+    assertDoesNotMatch(@"need whitespace between Hello and World",
+                       matcher, @"HelloWorld how are we?");
+    assertDoesNotMatch(@"wrong whitespace within World",
+                       matcher, @"Hello Wo rld how are we?");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(equalToIgnoringWhiteSpace(nil), @"Should require non-nil argument");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"\"Hello World   how\\n are we? \" ignoring whitespace", matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(equalToIgnoringWhiteSpace(@"foo\nbar"), @"foo bar");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsInOrderTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsInOrderTest.m
new file mode 100644
index 0000000..5e8c323
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsInOrderTest.m
@@ -0,0 +1,96 @@
+//
+//  OCHamcrest - StringContainsInOrderTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCStringContainsInOrder.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+
+@interface StringContainsInOrderTest : AbstractMatcherTest
+{
+    id<HCMatcher> matcher;
+}
+@end
+
+@implementation StringContainsInOrderTest
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = stringContainsInOrder(@"string one", @"string two", @"string three", nil);
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testMatchesIfOrderIsCorrect
+{
+    assertMatches(@"correct order", matcher, @"string one then string two followed by string three");
+}
+
+- (void)testDoesNotMatchIfOrderIsIncorrect
+{
+    assertDoesNotMatch(@"incorrect order", matcher, @"string two then string one followed by string three");
+}
+
+- (void)testDoesNotMatchIfExpectedSubstringsAreMissing
+{
+    assertDoesNotMatch(@"missing string one", matcher, @"string two then string three");
+    assertDoesNotMatch(@"missing string two", matcher, @"string one then string three");
+    assertDoesNotMatch(@"missing string three", matcher, @"string one then string two");
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(stringContainsInOrder(nil), @"Should require non-nil argument");
+}
+
+- (void)testMatcherCreationRequiresStringArguments
+{    
+    STAssertThrows(stringContainsInOrder(@"one", @2, nil), @"Should require strings");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a string containing \"string one\", \"string two\", \"string three\" in order",
+                      matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(matcher, @"string one then string two followed by string three");
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsTest.m
new file mode 100644
index 0000000..217a756
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringContainsTest.m
@@ -0,0 +1,92 @@
+//
+//  OCHamcrest - StringContainsTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCStringContains.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+static NSString *EXCERPT = @"EXCERPT";
+
+
+@interface StringContainsTest : AbstractMatcherTest
+@end
+
+@implementation StringContainsTest
+{
+    id <HCMatcher> matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = containsString(EXCERPT);
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testEvaluatesToTrueIfArgumentContainsSpecifiedSubstring
+{
+    assertMatches(@"excerpt at beginning", matcher, [EXCERPT stringByAppendingString:@"END"]);
+    assertMatches(@"excerpt at end", matcher, [@"START" stringByAppendingString:EXCERPT]);
+    assertMatches(@"excerpt in middle", matcher,
+                  [[@"START" stringByAppendingString:EXCERPT] stringByAppendingString:@"END"]);
+    assertMatches(@"excerpt repeated", matcher, [EXCERPT stringByAppendingString:EXCERPT]);
+    
+    assertDoesNotMatch(@"excerpt not in string", matcher, @"whatever");
+    assertDoesNotMatch(@"only part of excerpt", matcher, [EXCERPT substringFromIndex:1]);
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsEqualToSubstring
+{
+    assertMatches(@"excerpt is entire string", matcher, EXCERPT);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(containsString(nil), @"Should require non-nil argument");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a string containing \"EXCERPT\"", matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(matcher, EXCERPT);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringEndsWithTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringEndsWithTest.m
new file mode 100644
index 0000000..b9b40ea
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringEndsWithTest.m
@@ -0,0 +1,92 @@
+//
+//  OCHamcrest - StringEndsWithTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCStringEndsWith.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+static NSString *EXCERPT = @"EXCERPT";
+
+
+@interface StringEndsWithTest : AbstractMatcherTest
+@end
+
+@implementation StringEndsWithTest
+{
+    id <HCMatcher> matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = endsWith(EXCERPT);
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testEvaluatesToTrueIfArgumentContainsSpecifiedSubstring
+{
+    assertDoesNotMatch(@"excerpt at beginning", matcher, [EXCERPT stringByAppendingString:@"END"]);
+    assertMatches(@"excerpt at end", matcher, [@"START" stringByAppendingString:EXCERPT]);
+    assertDoesNotMatch(@"excerpt in middle", matcher,
+                  [[@"START" stringByAppendingString:EXCERPT] stringByAppendingString:@"END"]);
+    assertMatches(@"excerpt repeated", matcher, [EXCERPT stringByAppendingString:EXCERPT]);
+    
+    assertDoesNotMatch(@"excerpt not in string", matcher, @"whatever");
+    assertDoesNotMatch(@"only part of excerpt", matcher, [EXCERPT substringFromIndex:1]);
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsEqualToSubstring
+{
+    assertMatches(@"excerpt is entire string", matcher, EXCERPT);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(endsWith(nil), @"Should require non-nil argument");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a string ending with \"EXCERPT\"", matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(matcher, EXCERPT);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringStartsWithTest.m b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringStartsWithTest.m
new file mode 100644
index 0000000..1230328
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Tests/Text/StringStartsWithTest.m
@@ -0,0 +1,92 @@
+//
+//  OCHamcrest - StringStartsWithTest.m
+//  Copyright 2012 hamcrest.org. See LICENSE.txt
+//
+//  Created by: Jon Reid, http://qualitycoding.org/
+//  Docs: http://hamcrest.github.com/OCHamcrest/
+//  Source: https://github.com/hamcrest/OCHamcrest
+//
+
+    // Class under test
+#define HC_SHORTHAND
+#import <OCHamcrest/HCStringStartsWith.h>
+
+    // Test support
+#import "AbstractMatcherTest.h"
+
+static NSString *EXCERPT = @"EXCERPT";
+
+
+@interface StringStartsWithTest : AbstractMatcherTest
+@end
+
+@implementation StringStartsWithTest
+{
+    id <HCMatcher> matcher;
+}
+
+- (void)setUp
+{
+    [super setUp];
+    matcher = startsWith(EXCERPT);
+}
+
+- (void)tearDown
+{
+    matcher = nil;
+    [super tearDown];
+}
+
+- (id<HCMatcher>)createMatcher
+{
+    return matcher;
+}
+
+- (void)testEvaluatesToTrueIfArgumentContainsSpecifiedSubstring
+{
+    assertMatches(@"excerpt at beginning", matcher, [EXCERPT stringByAppendingString:@"END"]);
+    assertDoesNotMatch(@"excerpt at end", matcher, [@"START" stringByAppendingString:EXCERPT]);
+    assertDoesNotMatch(@"excerpt in middle", matcher,
+                  [[@"START" stringByAppendingString:EXCERPT] stringByAppendingString:@"END"]);
+    assertMatches(@"excerpt repeated", matcher, [EXCERPT stringByAppendingString:EXCERPT]);
+    
+    assertDoesNotMatch(@"excerpt not in string", matcher, @"whatever");
+    assertDoesNotMatch(@"only part of excerpt", matcher, [EXCERPT substringFromIndex:1]);
+}
+
+- (void)testEvaluatesToTrueIfArgumentIsEqualToSubstring
+{
+    assertMatches(@"excerpt is entire string", matcher, EXCERPT);
+}
+
+- (void)testMatcherCreationRequiresNonNilArgument
+{    
+    STAssertThrows(startsWith(nil), @"Should require non-nil argument");
+}
+
+- (void)testFailsIfMatchingAgainstNonString
+{
+    assertDoesNotMatch(@"non-string", matcher, @3);
+}
+
+- (void)testHasAReadableDescription
+{
+    assertDescription(@"a string starting with \"EXCERPT\"", matcher);
+}
+
+- (void)testSuccessfulMatchDoesNotGenerateMismatchDescription
+{
+    assertNoMismatchDescription(matcher, EXCERPT);
+}
+
+- (void)testMismatchDescriptionShowsActualArgument
+{
+    assertMismatchDescription(@"was \"bad\"", matcher, @"bad");
+}
+
+- (void)testDescribeMismatch
+{
+    assertDescribeMismatch(@"was \"bad\"", matcher, @"bad");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Warnings.xcconfig b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Warnings.xcconfig
new file mode 100644
index 0000000..02031ca
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/Warnings.xcconfig
@@ -0,0 +1,67 @@
+// Warnings - All languages
+GCC_WARN_CHECK_SWITCH_STATEMENTS = YES
+GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = YES
+CLANG_WARN_EMPTY_BODY = YES
+GCC_WARN_FOUR_CHARACTER_CONSTANTS = YES
+GCC_WARN_SHADOW = YES
+GCC_WARN_64_TO_32_BIT_CONVERSION = YES
+CLANG_WARN_IMPLICIT_SIGN_CONVERSION = YES
+GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED = YES
+GCC_WARN_ABOUT_RETURN_TYPE = YES
+GCC_WARN_MISSING_PARENTHESES = YES
+GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES
+GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES
+GCC_WARN_ABOUT_MISSING_NEWLINE = YES
+GCC_WARN_ABOUT_POINTER_SIGNEDNESS = YES
+GCC_WARN_SIGN_COMPARE = YES
+CLANG_WARN_SUSPICIOUS_IMPLICIT_CONVERSION = YES
+GCC_TREAT_INCOMPATIBLE_POINTER_TYPE_WARNINGS_AS_ERRORS = YES
+GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES
+GCC_WARN_TYPECHECK_CALLS_TO_PRINTF = YES
+GCC_WARN_UNINITIALIZED_AUTOS = YES
+GCC_WARN_UNKNOWN_PRAGMAS = YES
+GCC_WARN_UNUSED_FUNCTION = YES
+GCC_WARN_UNUSED_LABEL = YES
+//GCC_WARN_UNUSED_PARAMETER = YES
+GCC_WARN_UNUSED_VALUE = YES
+GCC_WARN_UNUSED_VARIABLE = YES
+
+// Warnings - Objective-C
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_OBJC_IMPLICIT_ATOMIC_PROPERTIES = YES
+//CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS = YES
+GCC_WARN_ALLOW_INCOMPLETE_PROTOCOL = YES
+//GCC_WARN_MULTIPLE_DEFINITION_TYPES_FOR_SELECTOR = YES
+CLANG_WARN_OBJCPP_ARC_ABI = YES
+CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES
+CLANG_WARN_OBJC_RECEIVER_WEAK = YES
+//GCC_WARN_STRICT_SELECTOR_MATCH = YES
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_WARN__ARC_BRIDGE_CAST_NONARC = YES
+
+RUN_CLANG_STATIC_ANALYZER = YES
+
+// Static Analyzer - Checks
+CLANG_ANALYZER_DEADCODE_DEADSTORES = YES
+CLANG_ANALYZER_GCD = YES
+CLANG_ANALYZER_MALLOC = YES
+
+// Static Analyzer - Checks - Objective-C
+CLANG_ANALYZER_OBJC_ATSYNC = YES
+CLANG_ANALYZER_OBJC_NSCFERROR = YES
+CLANG_ANALYZER_OBJC_INCOMP_METHOD_TYPES = YES
+CLANG_ANALYZER_OBJC_CFNUMBER = YES
+CLANG_ANALYZER_OBJC_COLLECTIONS = YES
+CLANG_ANALYZER_OBJC_UNUSED_IVARS = YES
+CLANG_ANALYZER_OBJC_SELF_INIT = YES
+CLANG_ANALYZER_OBJC_RETAIN_COUNT = YES
+
+// Static Analyzer - Checks - Security
+CLANG_ANALYZER_SECURITY_FLOATLOOPCOUNTER = YES
+CLANG_ANALYZER_SECURITY_KEYCHAIN_API = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_UNCHECKEDRETURN = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_GETPW_GETS = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_MKSTEMP = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_RAND = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_STRCPY = YES
+CLANG_ANALYZER_SECURITY_INSECUREAPI_VFORK = YES
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/.gitignore b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/.gitignore
new file mode 100644
index 0000000..c61ec5d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/.gitignore
@@ -0,0 +1,2 @@
+env.sh
+lcov-*
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/LICENSE.txt b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/LICENSE.txt
new file mode 100644
index 0000000..3e396ae
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/LICENSE.txt
@@ -0,0 +1,21 @@
+Copyright 2012 Jonathan M. Reid
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+(MIT License)
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/README.md b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/README.md
new file mode 100644
index 0000000..06728c2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/README.md
@@ -0,0 +1,59 @@
+These scripts provide a simple way to generate HTML reports of the code coverage
+of your Xcode 4.5 project.
+For a detailed blog post, see http://qualitycoding.org/xcode-code-coverage/
+
+
+Installation
+============
+
+1. Fork this repository; you're probably going to want to make your own
+modifications.
+2. Place the XcodeCoverage folder in the same folder as your Xcode project.
+3. [Dowload lcov-1.10](http://downloads.sourceforge.net/ltp/lcov-1.10.tar.gz).
+Place the lcov-1.10 folder inside the XcodeCoverage folder.
+4. Get Xcode's coverage instrumentation by going to Xcode Preferences, into Downloads, and installing Command Line Tools.
+5. In your Xcode project, enable these two build settings at the project level
+for your Debug configuration only:
+  * Instrument Program Flow
+  * Generate Test Coverage Files
+6. In your main target, add a Run Script build phase to execute
+``XcodeCoverage/exportenv.sh``
+
+
+Execution
+=========
+
+1. Run your unit tests
+2. In Terminal, cd to your project's XcodeCoverage folder, then
+
+        $ ./getcov
+
+If you make changes to your test code without changing the production code and
+want a clean slate, use the ``cleancov`` script:
+
+    $ ./cleancov
+
+If you make changes to your production code, you should clear out all build
+artifacts before measuring code coverage again. "Clean Build Folder" by holding
+down the Option key in Xcode's "Product" menu.
+
+
+Modification
+============
+
+There are two places you may want to modify:
+
+1. In envcov.sh, ``LCOV_INFO`` determines the name shown in the report.
+2. In getcov, edit ``exclude_data()`` to specify which files to exclude, for
+example, third-party libraries.
+
+
+More resources
+==============
+
+* [Sources](https://github.com/jonreid/XcodeCoverage)
+* Testing tools: [OCHamcrest](https://github.com/hamcrest/OCHamcrest),
+[OCMockito](https://github.com/jonreid/OCMockito),
+[JMRTestTools](https://github.com/jonreid/JMRTestTools)
+* [Quality Coding](http://qualitycoding.org/) blog - Tools, tips & techniques
+for _building quality in_ to iOS development
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/cleancov b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/cleancov
new file mode 100755
index 0000000..7dfa74a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/cleancov
@@ -0,0 +1,10 @@
+#!/bin/sh
+#
+#   Copyright 2012 Jonathan M. Reid. See LICENSE.txt
+#   Created by: Jon Reid, http://qualitycoding.org/
+#   Source: https://github.com/jonreid/XcodeCoverage
+#
+
+source envcov.sh
+
+"${LCOV_PATH}/lcov" -d "${OBJ_DIR}" --zerocounters
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/envcov.sh b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/envcov.sh
new file mode 100644
index 0000000..8a7c441
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/envcov.sh
@@ -0,0 +1,13 @@
+#
+#   Copyright 2012 Jonathan M. Reid. See LICENSE.txt
+#   Created by: Jon Reid, http://qualitycoding.org/
+#   Source: https://github.com/jonreid/XcodeCoverage
+#
+
+source env.sh
+
+# Change the report name if you like:
+LCOV_INFO=Coverage.info
+
+LCOV_PATH=${SRCROOT}/XcodeCoverage/lcov-1.10/bin
+OBJ_DIR=${OBJECT_FILE_DIR_normal}/${CURRENT_ARCH}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/exportenv.sh b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/exportenv.sh
new file mode 100755
index 0000000..653e0c7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/exportenv.sh
@@ -0,0 +1,7 @@
+#
+#   Copyright 2012 Jonathan M. Reid. See LICENSE.txt
+#   Created by: Jon Reid, http://qualitycoding.org/
+#   Source: https://github.com/jonreid/XcodeCoverage
+#
+
+export | egrep '( BUILT_PRODUCTS_DIR)|(CURRENT_ARCH)|(OBJECT_FILE_DIR_normal)|(SRCROOT)|(OBJROOT)' > XcodeCoverage/env.sh
diff --git a/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/getcov b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/getcov
new file mode 100755
index 0000000..61a1e77
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCHamcrest/Source/XcodeCoverage/getcov
@@ -0,0 +1,48 @@
+#!/bin/sh
+#
+#   Copyright 2012 Jonathan M. Reid. See LICENSE.txt
+#   Created by: Jon Reid, http://qualitycoding.org/
+#   Source: https://github.com/jonreid/XcodeCoverage
+#
+
+source envcov.sh
+
+remove_old_report()
+{
+    pushd ${BUILT_PRODUCTS_DIR}
+    if [ -e lcov ]; then
+        rm -r lcov
+    fi
+    popd
+}
+
+enter_lcov_dir()
+{
+    cd ${BUILT_PRODUCTS_DIR}
+    mkdir lcov
+    cd lcov
+}
+
+gather_coverage()
+{
+    "${LCOV_PATH}/lcov" -b "${SRCROOT}" -d "${OBJ_DIR}" --capture -o ${LCOV_INFO}
+}
+
+exclude_data()
+{
+    "${LCOV_PATH}/lcov" -d "${OBJ_DIR}" --remove ${LCOV_INFO} "/Applications/Xcode.app/*" -o ${LCOV_INFO}
+    "${LCOV_PATH}/lcov" -d "${OBJ_DIR}" --remove ${LCOV_INFO} "main.m" -o ${LCOV_INFO}
+    # Remove other patterns here...
+}
+
+generate_report()
+{
+    "${LCOV_PATH}/genhtml" --output-directory . ${LCOV_INFO}
+    open index.html
+}
+
+remove_old_report
+enter_lcov_dir
+gather_coverage
+exclude_data
+generate_report
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/.gitignore b/Vendor/facebook-ios-sdk/vendor/OCMock/.gitignore
new file mode 100644
index 0000000..ccad64a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/.gitignore
@@ -0,0 +1,5 @@
+.DS_Store
+xcuserdata
+*.xcworkspace
+.idea
+build
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..94a959a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample.xcodeproj/project.pbxproj
@@ -0,0 +1,244 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		0351A22A152F65DA005B52FE /* OCMock.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0351A229152F65DA005B52FE /* OCMock.framework */; };
+		035F7F1E14CDBBBC00D21121 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 035F7F1D14CDBBBC00D21121 /* Foundation.framework */; };
+		035F7F2114CDBBBC00D21121 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 035F7F2014CDBBBC00D21121 /* main.m */; };
+		035F7F2514CDBBBC00D21121 /* ArcExample.1 in CopyFiles */ = {isa = PBXBuildFile; fileRef = 035F7F2414CDBBBC00D21121 /* ArcExample.1 */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		035F7F1714CDBBBC00D21121 /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = /usr/share/man/man1/;
+			dstSubfolderSpec = 0;
+			files = (
+				035F7F2514CDBBBC00D21121 /* ArcExample.1 in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 1;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		0351A229152F65DA005B52FE /* OCMock.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = OCMock.framework; path = /Library/Frameworks/OCMock.framework; sourceTree = "<absolute>"; };
+		035F7F1914CDBBBC00D21121 /* ArcExample */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = ArcExample; sourceTree = BUILT_PRODUCTS_DIR; };
+		035F7F1D14CDBBBC00D21121 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
+		035F7F2014CDBBBC00D21121 /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
+		035F7F2314CDBBBC00D21121 /* ArcExample-Prefix.pch */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "ArcExample-Prefix.pch"; sourceTree = "<group>"; };
+		035F7F2414CDBBBC00D21121 /* ArcExample.1 */ = {isa = PBXFileReference; lastKnownFileType = text.man; path = ArcExample.1; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		035F7F1614CDBBBC00D21121 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				035F7F1E14CDBBBC00D21121 /* Foundation.framework in Frameworks */,
+				0351A22A152F65DA005B52FE /* OCMock.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		035F7F0E14CDBBBC00D21121 = {
+			isa = PBXGroup;
+			children = (
+				035F7F1F14CDBBBC00D21121 /* ArcExample */,
+				035F7F1C14CDBBBC00D21121 /* Frameworks */,
+				035F7F1A14CDBBBC00D21121 /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		035F7F1A14CDBBBC00D21121 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				035F7F1914CDBBBC00D21121 /* ArcExample */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		035F7F1C14CDBBBC00D21121 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				0351A229152F65DA005B52FE /* OCMock.framework */,
+				035F7F1D14CDBBBC00D21121 /* Foundation.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		035F7F1F14CDBBBC00D21121 /* ArcExample */ = {
+			isa = PBXGroup;
+			children = (
+				035F7F2014CDBBBC00D21121 /* main.m */,
+				035F7F2414CDBBBC00D21121 /* ArcExample.1 */,
+				035F7F2214CDBBBC00D21121 /* Supporting Files */,
+			);
+			path = ArcExample;
+			sourceTree = "<group>";
+		};
+		035F7F2214CDBBBC00D21121 /* Supporting Files */ = {
+			isa = PBXGroup;
+			children = (
+				035F7F2314CDBBBC00D21121 /* ArcExample-Prefix.pch */,
+			);
+			name = "Supporting Files";
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		035F7F1814CDBBBC00D21121 /* ArcExample */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 035F7F2814CDBBBC00D21121 /* Build configuration list for PBXNativeTarget "ArcExample" */;
+			buildPhases = (
+				035F7F1514CDBBBC00D21121 /* Sources */,
+				035F7F1614CDBBBC00D21121 /* Frameworks */,
+				035F7F1714CDBBBC00D21121 /* CopyFiles */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = ArcExample;
+			productName = ArcExample;
+			productReference = 035F7F1914CDBBBC00D21121 /* ArcExample */;
+			productType = "com.apple.product-type.tool";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		035F7F1014CDBBBC00D21121 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0430;
+				ORGANIZATIONNAME = ThoughtWorks;
+			};
+			buildConfigurationList = 035F7F1314CDBBBC00D21121 /* Build configuration list for PBXProject "ArcExample" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 035F7F0E14CDBBBC00D21121;
+			productRefGroup = 035F7F1A14CDBBBC00D21121 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				035F7F1814CDBBBC00D21121 /* ArcExample */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXSourcesBuildPhase section */
+		035F7F1514CDBBBC00D21121 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				035F7F2114CDBBBC00D21121 /* main.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		035F7F2614CDBBBC00D21121 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				COPY_PHASE_STRIP = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx10.7;
+			};
+			name = Debug;
+		};
+		035F7F2714CDBBBC00D21121 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_OBJCPP_ARC_ABI = YES;
+				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				SDKROOT = macosx10.7;
+			};
+			name = Release;
+		};
+		035F7F2914CDBBBC00D21121 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "ArcExample/ArcExample-Prefix.pch";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		035F7F2A14CDBBBC00D21121 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "ArcExample/ArcExample-Prefix.pch";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		035F7F1314CDBBBC00D21121 /* Build configuration list for PBXProject "ArcExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				035F7F2614CDBBBC00D21121 /* Debug */,
+				035F7F2714CDBBBC00D21121 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		035F7F2814CDBBBC00D21121 /* Build configuration list for PBXNativeTarget "ArcExample" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				035F7F2914CDBBBC00D21121 /* Debug */,
+				035F7F2A14CDBBBC00D21121 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 035F7F1014CDBBBC00D21121 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample-Prefix.pch
new file mode 100644
index 0000000..ad04264
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'ArcExample' target in the 'ArcExample' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample.1 b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample.1
new file mode 100644
index 0000000..1568cef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/ArcExample.1
@@ -0,0 +1,79 @@
+.\"Modified from man(1) of FreeBSD, the NetBSD mdoc.template, and mdoc.samples.
+.\"See Also:
+.\"man mdoc.samples for a complete listing of options
+.\"man mdoc for the short list of editing options
+.\"/usr/share/misc/mdoc.template
+.Dd 23/01/12               \" DATE 
+.Dt ArcExample 1      \" Program name and manual section number 
+.Os Darwin
+.Sh NAME                 \" Section Header - required - don't modify 
+.Nm ArcExample,
+.\" The following lines are read in generating the apropos(man -k) database. Use only key
+.\" words here as the database is built based on the words here and in the .ND line. 
+.Nm Other_name_for_same_program(),
+.Nm Yet another name for the same program.
+.\" Use .Nm macro to designate other names for the documented program.
+.Nd This line parsed for whatis database.
+.Sh SYNOPSIS             \" Section Header - required - don't modify
+.Nm
+.Op Fl abcd              \" [-abcd]
+.Op Fl a Ar path         \" [-a path] 
+.Op Ar file              \" [file]
+.Op Ar                   \" [file ...]
+.Ar arg0                 \" Underlined argument - use .Ar anywhere to underline
+arg2 ...                 \" Arguments
+.Sh DESCRIPTION          \" Section Header - required - don't modify
+Use the .Nm macro to refer to your program throughout the man page like such:
+.Nm
+Underlining is accomplished with the .Ar macro like this:
+.Ar underlined text .
+.Pp                      \" Inserts a space
+A list of items with descriptions:
+.Bl -tag -width -indent  \" Begins a tagged list 
+.It item a               \" Each item preceded by .It macro
+Description of item a
+.It item b
+Description of item b
+.El                      \" Ends the list
+.Pp
+A list of flags and their descriptions:
+.Bl -tag -width -indent  \" Differs from above in tag removed 
+.It Fl a                 \"-a flag as a list item
+Description of -a flag
+.It Fl b
+Description of -b flag
+.El                      \" Ends the list
+.Pp
+.\" .Sh ENVIRONMENT      \" May not be needed
+.\" .Bl -tag -width "ENV_VAR_1" -indent \" ENV_VAR_1 is width of the string ENV_VAR_1
+.\" .It Ev ENV_VAR_1
+.\" Description of ENV_VAR_1
+.\" .It Ev ENV_VAR_2
+.\" Description of ENV_VAR_2
+.\" .El                      
+.Sh FILES                \" File used or created by the topic of the man page
+.Bl -tag -width "/Users/joeuser/Library/really_long_file_name" -compact
+.It Pa /usr/share/file_name
+FILE_1 description
+.It Pa /Users/joeuser/Library/really_long_file_name
+FILE_2 description
+.El                      \" Ends the list
+.\" .Sh DIAGNOSTICS       \" May not be needed
+.\" .Bl -diag
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .El
+.Sh SEE ALSO 
+.\" List links in ascending order by section, alphabetically within a section.
+.\" Please do not reference files that do not exist without filing a bug report
+.Xr a 1 , 
+.Xr b 1 ,
+.Xr c 1 ,
+.Xr a 2 ,
+.Xr b 2 ,
+.Xr a 3 ,
+.Xr b 3 
+.\" .Sh BUGS              \" Document known, unremedied bugs 
+.\" .Sh HISTORY           \" Document history if command behaves in a unique manner
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/main.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/main.m
new file mode 100644
index 0000000..aecc32d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/ArcExample/ArcExample/main.m
@@ -0,0 +1,34 @@
+
+#import <Foundation/Foundation.h>
+#import <OCMock/OCMock.h>
+
+@protocol SomeDelegateProtocol
+- (void)doStuff;
+@end
+
+@interface SomeClass : NSObject
+@property (nonatomic, weak) id<SomeDelegateProtocol> delegate;
+@end
+
+@implementation SomeClass
+
+@synthesize delegate;
+
+@end
+
+
+int main (int argc, const char * argv[])
+{
+
+    @autoreleasepool {
+        
+        SomeClass *someObject = [[SomeClass alloc] init];
+        id delegate = [OCMockObject mockForProtocol:@protocol(SomeDelegateProtocol)];
+        someObject.delegate = delegate;
+        NSLog(@"delegate = %@", delegate);
+        NSLog(@"someObject = %@", someObject.delegate);
+        
+    }
+    return 0;
+}
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..c87b976
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example.xcodeproj/project.pbxproj
@@ -0,0 +1,505 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
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+/* End PBXBuildFile section */
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+			proxyType = 1;
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+			remoteInfo = iOS5Example;
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+/* End PBXContainerItemProxy section */
+
+/* Begin PBXFileReference section */
+		0395293915043C7A00D25639 /* iOS5Example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = iOS5Example.app; sourceTree = BUILT_PRODUCTS_DIR; };
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+/* End PBXFileReference section */
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+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.h
new file mode 100644
index 0000000..3d820df
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.h
@@ -0,0 +1,12 @@
+//
+//  AppDelegate.h
+//  iOS5Example
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.m
new file mode 100644
index 0000000..74663ab
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/AppDelegate.m
@@ -0,0 +1,62 @@
+//
+//  AppDelegate.m
+//  iOS5Example
+//
+
+#import "AppDelegate.h"
+
+@implementation AppDelegate
+
+@synthesize window = _window;
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+    // Override point for customization after application launch.
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
+        UISplitViewController *splitViewController = (UISplitViewController *)self.window.rootViewController;
+        UINavigationController *navigationController = [splitViewController.viewControllers lastObject];
+        splitViewController.delegate = (id)navigationController.topViewController;
+    }
+    return YES;
+}
+							
+- (void)applicationWillResignActive:(UIApplication *)application
+{
+    /*
+     Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+     Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
+     */
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application
+{
+    /*
+     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
+     If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+     */
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application
+{
+    /*
+     Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
+     */
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application
+{
+    /*
+     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+     */
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application
+{
+    /*
+     Called when the application is about to terminate.
+     Save data if appropriate.
+     See also applicationDidEnterBackground:.
+     */
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.h
new file mode 100644
index 0000000..c313806
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.h
@@ -0,0 +1,14 @@
+//
+//  DetailViewController.h
+//  iOS5Example
+//
+
+#import <UIKit/UIKit.h>
+
+@interface DetailViewController : UIViewController <UISplitViewControllerDelegate>
+
+@property (strong, nonatomic) id detailItem;
+
+@property (strong, nonatomic) IBOutlet UILabel *detailDescriptionLabel;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.m
new file mode 100644
index 0000000..606f9dc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/DetailViewController.m
@@ -0,0 +1,112 @@
+//
+//  DetailViewController.m
+//  iOS5Example
+//
+
+#import "DetailViewController.h"
+
+@interface DetailViewController ()
+@property (strong, nonatomic) UIPopoverController *masterPopoverController;
+- (void)configureView;
+@end
+
+@implementation DetailViewController
+
+@synthesize detailItem = _detailItem;
+@synthesize detailDescriptionLabel = _detailDescriptionLabel;
+@synthesize masterPopoverController = _masterPopoverController;
+
+#pragma mark - Managing the detail item
+
+- (void)setDetailItem:(id)newDetailItem
+{
+    if (_detailItem != newDetailItem) {
+        _detailItem = newDetailItem;
+        
+        // Update the view.
+        [self configureView];
+    }
+
+    if (self.masterPopoverController != nil) {
+        [self.masterPopoverController dismissPopoverAnimated:YES];
+    }        
+}
+
+- (void)configureView
+{
+    // Update the user interface for the detail item.
+
+    if (self.detailItem) {
+        self.detailDescriptionLabel.text = [self.detailItem description];
+    }
+}
+
+- (void)didReceiveMemoryWarning
+{
+    [super didReceiveMemoryWarning];
+    // Release any cached data, images, etc that aren't in use.
+}
+
+#pragma mark - View lifecycle
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+	// Do any additional setup after loading the view, typically from a nib.
+    [self configureView];
+}
+
+- (void)viewDidUnload
+{
+    [super viewDidUnload];
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+}
+
+- (void)viewWillAppear:(BOOL)animated
+{
+    [super viewWillAppear:animated];
+}
+
+- (void)viewDidAppear:(BOOL)animated
+{
+    [super viewDidAppear:animated];
+}
+
+- (void)viewWillDisappear:(BOOL)animated
+{
+	[super viewWillDisappear:animated];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+	[super viewDidDisappear:animated];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
+{
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+#pragma mark - Split view
+
+- (void)splitViewController:(UISplitViewController *)splitController willHideViewController:(UIViewController *)viewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)popoverController
+{
+    barButtonItem.title = NSLocalizedString(@"Master", @"Master");
+    [self.navigationItem setLeftBarButtonItem:barButtonItem animated:YES];
+    self.masterPopoverController = popoverController;
+}
+
+- (void)splitViewController:(UISplitViewController *)splitController willShowViewController:(UIViewController *)viewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem
+{
+    // Called when the view is shown again in the split view, invalidating the button and popover controller.
+    [self.navigationItem setLeftBarButtonItem:nil animated:YES];
+    self.masterPopoverController = nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.h
new file mode 100644
index 0000000..44e95c6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.h
@@ -0,0 +1,14 @@
+//
+//  MasterViewController.h
+//  iOS5Example
+//
+
+#import <UIKit/UIKit.h>
+
+@class DetailViewController;
+
+@interface MasterViewController : UITableViewController
+
+@property (strong, nonatomic) DetailViewController *detailViewController;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.m
new file mode 100644
index 0000000..0a9934b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/MasterViewController.m
@@ -0,0 +1,116 @@
+//
+//  MasterViewController.m
+//  iOS5Example
+//
+
+#import "MasterViewController.h"
+
+#import "DetailViewController.h"
+
+@implementation MasterViewController
+
+@synthesize detailViewController = _detailViewController;
+
+- (void)awakeFromNib
+{
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
+        self.clearsSelectionOnViewWillAppear = NO;
+        self.contentSizeForViewInPopover = CGSizeMake(320.0, 600.0);
+    }
+    [super awakeFromNib];
+}
+
+- (void)didReceiveMemoryWarning
+{
+    [super didReceiveMemoryWarning];
+    // Release any cached data, images, etc that aren't in use.
+}
+
+#pragma mark - View lifecycle
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+	// Do any additional setup after loading the view, typically from a nib.
+    self.detailViewController = (DetailViewController *)[[self.splitViewController.viewControllers lastObject] topViewController];
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
+        [self.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] animated:NO scrollPosition:UITableViewScrollPositionMiddle];
+    }
+}
+
+- (void)viewDidUnload
+{
+    [super viewDidUnload];
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+}
+
+- (void)viewWillAppear:(BOOL)animated
+{
+    [super viewWillAppear:animated];
+}
+
+- (void)viewDidAppear:(BOOL)animated
+{
+    [super viewDidAppear:animated];
+}
+
+- (void)viewWillDisappear:(BOOL)animated
+{
+	[super viewWillDisappear:animated];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+	[super viewDidDisappear:animated];
+}
+
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
+{
+    // Return YES for supported orientations
+    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
+        return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);
+    } else {
+        return YES;
+    }
+}
+
+/*
+// Override to support conditional editing of the table view.
+- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    // Return NO if you do not want the specified item to be editable.
+    return YES;
+}
+*/
+
+
+// Override to support editing the table view.
+- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    if (editingStyle == UITableViewCellEditingStyleDelete) {
+        // Delete the row from the data source.
+        [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
+    } else if (editingStyle == UITableViewCellEditingStyleInsert) {
+        // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view.
+    }   
+}
+
+
+/*
+// Override to support rearranging the table view.
+- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath
+{
+}
+*/
+
+/*
+// Override to support conditional rearranging of the table view.
+- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    // Return NO if you do not want the item to be re-orderable.
+    return YES;
+}
+*/
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPad.storyboard b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPad.storyboard
new file mode 100644
index 0000000..5d5deaf
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPad.storyboard
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="1.0" toolsVersion="1926" systemVersion="11C36" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" initialViewController="5">
+    <dependencies>
+        <development defaultVersion="4200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="922"/>
+    </dependencies>
+    <scenes>
+        <scene sceneID="14">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="13" sceneMemberID="firstResponder"/>
+                <navigationController id="3" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="6">
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="19" kind="relationship" relationship="rootViewController" id="25"/>
+                    </connections>
+                </navigationController>
+            </objects>
+            <point key="canvasLocation" x="432" y="-178"/>
+        </scene>
+        <scene sceneID="16">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="15" sceneMemberID="firstResponder"/>
+                <viewController storyboardIdentifier="" title="Detail" id="4" customClass="DetailViewController" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="26">
+                        <rect key="frame" x="0.0" y="64" width="703" height="704"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <label clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" text="Detail view content goes here" textAlignment="center" lineBreakMode="tailTruncation" minimumFontSize="10" id="27">
+                                <rect key="frame" x="20" y="341" width="663" height="21"/>
+                                <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <fontDescription key="fontDescription" type="system" size="system"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
+                    </view>
+                    <toolbarItems/>
+                    <navigationItem key="navigationItem" title="Detail" id="52"/>
+                    <connections>
+                        <outlet property="detailDescriptionLabel" destination="27" id="29"/>
+                    </connections>
+                </viewController>
+            </objects>
+            <point key="canvasLocation" x="432" y="686"/>
+        </scene>
+        <scene sceneID="18">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="17" sceneMemberID="firstResponder"/>
+                <splitViewController id="5" sceneMemberID="viewController">
+                    <toolbarItems/>
+                    <simulatedStatusBarMetrics key="simulatedStatusBarMetrics" statusBarStyle="blackTranslucent"/>
+                    <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
+                    <connections>
+                        <segue destination="3" kind="relationship" relationship="masterViewController" id="9"/>
+                        <segue destination="42" kind="relationship" relationship="detailViewController" id="53"/>
+                    </connections>
+                </splitViewController>
+            </objects>
+            <point key="canvasLocation" x="-711" y="-178"/>
+        </scene>
+        <scene sceneID="24">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="23" sceneMemberID="firstResponder"/>
+                <tableViewController storyboardIdentifier="" title="Master" clearsSelectionOnViewWillAppear="NO" id="19" customClass="MasterViewController" sceneMemberID="viewController">
+                    <tableView key="view" clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="static" style="plain" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="20">
+                        <rect key="frame" x="0.0" y="64" width="320" height="704"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
+                        <sections>
+                            <tableViewSection id="33">
+                                <cells>
+                                    <tableViewCell contentMode="scaleToFill" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="z13-93-fbN" style="IBUITableViewCellStyleDefault" id="34">
+                                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
+                                            <rect key="frame" x="0.0" y="0.0" width="768" height="43"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" text="Detail" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="z13-93-fbN">
+                                                    <rect key="frame" x="10" y="0.0" width="748" height="43"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                                    <fontDescription key="fontDescription" type="boldSystem" pointSize="20"/>
+                                                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                                    <color key="highlightedColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                                </label>
+                                            </subviews>
+                                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                                        </view>
+                                    </tableViewCell>
+                                </cells>
+                            </tableViewSection>
+                        </sections>
+                        <connections>
+                            <outlet property="dataSource" destination="19" id="22"/>
+                            <outlet property="delegate" destination="19" id="21"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Master" id="39"/>
+                </tableViewController>
+            </objects>
+            <point key="canvasLocation" x="843" y="-179"/>
+        </scene>
+        <scene sceneID="50">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="49" userLabel="First Responder" sceneMemberID="firstResponder"/>
+                <navigationController id="42" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="43">
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="4" kind="relationship" relationship="rootViewController" id="51"/>
+                    </connections>
+                </navigationController>
+            </objects>
+            <point key="canvasLocation" x="-390" y="686"/>
+        </scene>
+    </scenes>
+    <simulatedMetricsContainer key="defaultSimulatedMetrics">
+        <simulatedStatusBarMetrics key="statusBar" statusBarStyle="blackTranslucent"/>
+        <simulatedOrientationMetrics key="orientation"/>
+        <simulatedScreenMetrics key="destination"/>
+    </simulatedMetricsContainer>
+</document>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPhone.storyboard b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPhone.storyboard
new file mode 100644
index 0000000..fa1b905
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/en.lproj/MainStoryboard_iPhone.storyboard
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="1.0" toolsVersion="1926" systemVersion="11C36" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" initialViewController="3">
+    <dependencies>
+        <development defaultVersion="4200" identifier="xcode"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="922"/>
+    </dependencies>
+    <scenes>
+        <scene sceneID="11">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="10" sceneMemberID="firstResponder"/>
+                <navigationController id="3" sceneMemberID="viewController">
+                    <navigationBar key="navigationBar" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" id="4">
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <connections>
+                        <segue destination="12" kind="relationship" relationship="rootViewController" id="19"/>
+                    </connections>
+                </navigationController>
+            </objects>
+            <point key="canvasLocation" x="-1" y="64"/>
+        </scene>
+        <scene sceneID="18">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="17" sceneMemberID="firstResponder"/>
+                <tableViewController storyboardIdentifier="" title="Master" id="12" customClass="MasterViewController" sceneMemberID="viewController">
+                    <tableView key="view" opaque="NO" clipsSubviews="YES" clearsContextBeforeDrawing="NO" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="static" style="plain" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" id="13">
+                        <rect key="frame" x="0.0" y="64" width="320" height="416"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                        <sections>
+                            <tableViewSection id="29">
+                                <cells>
+                                    <tableViewCell contentMode="scaleToFill" selectionStyle="blue" accessoryType="disclosureIndicator" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="CZe-l0-5K6" style="IBUITableViewCellStyleDefault" id="30">
+                                        <rect key="frame" x="0.0" y="0.0" width="320" height="44"/>
+                                        <autoresizingMask key="autoresizingMask"/>
+                                        <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
+                                            <rect key="frame" x="0.0" y="0.0" width="300" height="43"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" text="Detail" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" id="CZe-l0-5K6">
+                                                    <rect key="frame" x="10" y="0.0" width="280" height="43"/>
+                                                    <autoresizingMask key="autoresizingMask"/>
+                                                    <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                                    <fontDescription key="fontDescription" type="boldSystem" pointSize="20"/>
+                                                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                                    <color key="highlightedColor" red="1" green="1" blue="1" alpha="1" colorSpace="calibratedRGB"/>
+                                                </label>
+                                            </subviews>
+                                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+                                        </view>
+                                        <connections>
+                                            <segue destination="21" kind="push" id="33"/>
+                                        </connections>
+                                    </tableViewCell>
+                                </cells>
+                            </tableViewSection>
+                        </sections>
+                        <connections>
+                            <outlet property="dataSource" destination="12" id="16"/>
+                            <outlet property="delegate" destination="12" id="15"/>
+                        </connections>
+                    </tableView>
+                    <navigationItem key="navigationItem" title="Master" id="35"/>
+                </tableViewController>
+            </objects>
+            <point key="canvasLocation" x="455" y="64"/>
+        </scene>
+        <scene sceneID="24">
+            <objects>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="23" sceneMemberID="firstResponder"/>
+                <viewController storyboardIdentifier="" title="Detail" id="21" customClass="DetailViewController" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="22">
+                        <rect key="frame" x="0.0" y="64" width="320" height="416"/>
+                        <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                        <subviews>
+                            <label clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" text="Detail view content goes here" textAlignment="center" lineBreakMode="tailTruncation" minimumFontSize="10" id="27">
+                                <rect key="frame" x="20" y="199" width="280" height="18"/>
+                                <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES" flexibleMaxY="YES"/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <fontDescription key="fontDescription" type="system" size="system"/>
+                                <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                    <navigationItem key="navigationItem" title="Detail" id="26"/>
+                    <connections>
+                        <outlet property="detailDescriptionLabel" destination="27" id="28"/>
+                    </connections>
+                </viewController>
+            </objects>
+            <point key="canvasLocation" x="924" y="64"/>
+        </scene>
+    </scenes>
+    <simulatedMetricsContainer key="defaultSimulatedMetrics">
+        <simulatedStatusBarMetrics key="statusBar"/>
+        <simulatedOrientationMetrics key="orientation"/>
+        <simulatedScreenMetrics key="destination"/>
+    </simulatedMetricsContainer>
+</document>
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Info.plist
new file mode 100644
index 0000000..7f6794d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Info.plist
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFiles</key>
+	<array/>
+	<key>CFBundleIdentifier</key>
+	<string>com.mulle-kybernetik.ocmock.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIMainStoryboardFile</key>
+	<string>MainStoryboard_iPhone</string>
+	<key>UIMainStoryboardFile~ipad</key>
+	<string>MainStoryboard_iPad</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Prefix.pch
new file mode 100644
index 0000000..a52d8b5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/iOS5Example-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'iOS5Example' target in the 'iOS5Example' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_5_0
+#warning "This project uses features only available in iOS SDK 5.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/main.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/main.m
new file mode 100644
index 0000000..bf2dfbd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5Example/main.m
@@ -0,0 +1,15 @@
+//
+//  main.m
+//  iOS5Example
+//
+
+#import <UIKit/UIKit.h>
+
+#import "AppDelegate.h"
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.h
new file mode 100644
index 0000000..3d4b89f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.h
@@ -0,0 +1,10 @@
+//
+//  ProtocolTests.h
+//  iOS5Example
+//
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface ProtocolTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.m
new file mode 100644
index 0000000..4a3dd1d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/ProtocolTests.m
@@ -0,0 +1,56 @@
+//
+//  ProtocolTests.m
+//  iOS5Example
+//
+
+#import <OCMock/OCMock.h>
+#import "ProtocolTests.h"
+
+
+@protocol AuthenticationServiceProtocol
+
+- (void)loginWithEmail:(NSString *)email andPassword:(NSString *)password;
+
+@end
+
+@interface Foo : NSObject
+{
+    id<AuthenticationServiceProtocol> authService;
+}
+
+- (id)initWithAuthenticationService:(id<AuthenticationServiceProtocol>)anAuthService;
+- (void)doStuff;
+
+@end
+
+@implementation Foo
+
+- (id)initWithAuthenticationService:(id<AuthenticationServiceProtocol>)anAuthService
+{
+    self = [super init];
+    authService = anAuthService;
+    return self;
+}
+
+- (void)doStuff
+{
+    [authService loginWithEmail:@"x" andPassword:@"y"];
+}
+
+@end
+
+@implementation ProtocolTests
+
+- (void)testTheProtocol
+{
+    id authService = [OCMockObject mockForProtocol:@protocol(AuthenticationServiceProtocol)];
+    id foo = [[Foo alloc] initWithAuthenticationService:authService];
+    
+    [[authService expect] loginWithEmail:[OCMArg any] andPassword:[OCMArg any]];
+    
+    [foo doStuff];
+    
+    [authService verify];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests-Info.plist
new file mode 100644
index 0000000..b066986
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests-Info.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.mulle-kybernetik.ocmock.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.h
new file mode 100644
index 0000000..4012ffd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.h
@@ -0,0 +1,10 @@
+//
+//  iOS5ExampleTests.h
+//  iOS5ExampleTests
+//
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface iOS5ExampleTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.m
new file mode 100644
index 0000000..eeab0ec
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/iOS5ExampleTests/iOS5ExampleTests.m
@@ -0,0 +1,47 @@
+//
+//  iOS5ExampleTests.m
+//  iOS5ExampleTests
+//
+
+#import <OCMock/OCMock.h>
+#import "MasterViewController.h"
+#import "iOS5ExampleTests.h"
+
+@implementation iOS5ExampleTests
+
+- (void)setUp
+{
+    [super setUp];
+    
+    // Set-up code here.
+}
+
+- (void)tearDown
+{
+    // Tear-down code here.
+    
+    [super tearDown];
+}
+
+- (void)testMasterViewControllerDeletesItemsFromTableView
+{
+    // Test set-up
+    
+    MasterViewController *controller = [[MasterViewController alloc] init];
+    NSIndexPath *dummyIndexPath = [NSIndexPath indexPathWithIndex:3];
+    id tableViewMock = [OCMockObject mockForClass:[UITableView class]];
+    [[tableViewMock expect] deleteRowsAtIndexPaths:[NSArray arrayWithObject:dummyIndexPath] withRowAnimation:UITableViewRowAnimationFade];
+    
+    // Invoke functionality to be tested
+    // If you want to see the test fail you can, for example, change the editing style to UITableViewCellEditingStyleNone. In
+    // that case the method in the controller does not make a call to the table view and the mock will raise an exception when
+    // verify is called further down.
+    
+    [controller tableView:tableViewMock commitEditingStyle:UITableViewCellEditingStyleDelete forRowAtIndexPath:dummyIndexPath];
+    
+    // Verify that expectations were met
+    
+    [tableViewMock verify];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/NSNotificationCenter+OCMAdditions.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/NSNotificationCenter+OCMAdditions.h
new file mode 100644
index 0000000..ab4832b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/NSNotificationCenter+OCMAdditions.h
@@ -0,0 +1,15 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@class OCMockObserver;
+
+
+@interface NSNotificationCenter(OCMAdditions)
+
+- (void)addMockObserver:(OCMockObserver *)notificationObserver name:(NSString *)notificationName object:(id)notificationSender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMArg.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMArg.h
new file mode 100644
index 0000000..669c094
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMArg.h
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMArg : NSObject 
+
+// constraining arguments
+
++ (id)any;
++ (void *)anyPointer;
++ (id)isNil;
++ (id)isNotNil;
++ (id)isNotEqual:(id)value;
++ (id)checkWithSelector:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
++ (id)checkWithBlock:(BOOL (^)(id))block;
+#endif
+
+// manipulating arguments
+
++ (id *)setTo:(id)value;
+
+// internal use only
+
++ (id)resolveSpecialValues:(NSValue *)value;
+
+@end
+
+#define OCMOCK_ANY [OCMArg any]
+#define OCMOCK_VALUE(variable) [NSValue value:&variable withObjCType:@encode(__typeof__(variable))]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMConstraint.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMConstraint.h
new file mode 100644
index 0000000..3ae1264
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMConstraint.h
@@ -0,0 +1,64 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2007-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+
+@interface OCMConstraint : NSObject 
+
++ (id)constraint;
+- (BOOL)evaluate:(id)value;
+
+// if you are looking for any, isNil, etc, they have moved to OCMArg
+
+// try to use [OCMArg checkWith...] instead of the constraintWith... methods below
+
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject;
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject withValue:(id)aValue;
+
+
+@end
+
+@interface OCMAnyConstraint : OCMConstraint
+@end
+
+@interface OCMIsNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotEqualConstraint : OCMConstraint
+{
+	@public
+	id testValue;
+}
+
+@end
+
+@interface OCMInvocationConstraint : OCMConstraint
+{
+	@public
+	NSInvocation *invocation;
+}
+
+@end
+
+#if NS_BLOCKS_AVAILABLE
+
+@interface OCMBlockConstraint : OCMConstraint
+{
+	BOOL (^block)(id);
+}
+
+- (id)initWithConstraintBlock:(BOOL (^)(id))block;
+
+@end
+
+#endif
+
+
+#define CONSTRAINT(aSelector) [OCMConstraint constraintWithSelector:aSelector onObject:self]
+#define CONSTRAINTV(aSelector, aValue) [OCMConstraint constraintWithSelector:aSelector onObject:self withValue:(aValue)]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMock.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMock.h
new file mode 100644
index 0000000..e18de58
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMock.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+#import <OCMock/OCMockRecorder.h>
+#import <OCMock/OCMConstraint.h>
+#import <OCMock/OCMArg.h>
+#import <OCMock/NSNotificationCenter+OCMAdditions.h>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockObject.h
new file mode 100644
index 0000000..ebd2ba3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockObject.h
@@ -0,0 +1,43 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockObject : NSProxy
+{
+	BOOL			isNice;
+	BOOL			expectationOrderMatters;
+	NSMutableArray	*recorders;
+	NSMutableArray	*expectations;
+	NSMutableArray	*rejections;
+	NSMutableArray	*exceptions;
+}
+
++ (id)mockForClass:(Class)aClass;
++ (id)mockForProtocol:(Protocol *)aProtocol;
++ (id)partialMockForObject:(NSObject *)anObject;
+
++ (id)niceMockForClass:(Class)aClass;
++ (id)niceMockForProtocol:(Protocol *)aProtocol;
+
++ (id)observerMock;
+
+- (id)init;
+
+- (void)setExpectationOrderMatters:(BOOL)flag;
+
+- (id)stub;
+- (id)expect;
+- (id)reject;
+
+- (void)verify;
+
+// internal use only
+
+- (id)getNewRecorder;
+- (BOOL)handleInvocation:(NSInvocation *)anInvocation;
+- (void)handleUnRecordedInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockRecorder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockRecorder.h
new file mode 100644
index 0000000..b11a253
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iOS5Example/usr/include/OCMock/OCMockRecorder.h
@@ -0,0 +1,32 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockRecorder : NSProxy 
+{
+	id				signatureResolver;
+	NSInvocation	*recordedInvocation;
+	NSMutableArray	*invocationHandlers;
+}
+
+- (id)initWithSignatureResolver:(id)anObject;
+
+- (BOOL)matchesInvocation:(NSInvocation *)anInvocation;
+- (void)releaseInvocation;
+
+- (id)andReturn:(id)anObject;
+- (id)andReturnValue:(NSValue *)aValue;
+- (id)andThrow:(NSException *)anException;
+- (id)andPost:(NSNotification *)aNotification;
+- (id)andCall:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
+- (id)andDo:(void (^)(NSInvocation *))block; 
+#endif
+- (id)andForwardToRealObject;
+
+- (NSArray *)invocationHandlers;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.h
new file mode 100644
index 0000000..feed5fe
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.h
@@ -0,0 +1,14 @@
+//
+//  RootViewController.h
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright Mulle Kybernetik 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface RootViewController : UITableViewController {
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.m
new file mode 100644
index 0000000..436b91a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/RootViewController.m
@@ -0,0 +1,62 @@
+//
+//  RootViewController.m
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright Mulle Kybernetik 2010. All rights reserved.
+//
+
+#import "RootViewController.h"
+
+
+@implementation RootViewController
+
+
+#pragma mark -
+#pragma mark Table view data source
+
+// Customize the number of sections in the table view.
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    return 1;
+}
+
+
+// Customize the number of rows in the table view.
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return 1;
+}
+
+
+// Customize the appearance of table view cells.
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    
+    static NSString *CellIdentifier = @"HelloWorldCell";
+    
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+	if (cell == nil) {
+        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
+    }
+    
+	cell.textLabel.text = @"Hello World!";
+
+    return cell;
+}
+
+
+#pragma mark -
+#pragma mark Table view delegate
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    
+	/*
+	 <#DetailViewController#> *detailViewController = [[<#DetailViewController#> alloc] initWithNibName:@"<#Nib name#>" bundle:nil];
+     // ...
+     // Pass the selected object to the new view controller.
+	 [self.navigationController pushViewController:detailViewController animated:YES];
+	 [detailViewController release];
+	 */
+}
+
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.h
new file mode 100644
index 0000000..f97a649
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.h
@@ -0,0 +1,21 @@
+//
+//  iPhoneExampleAppDelegate.h
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright Mulle Kybernetik 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface iPhoneExampleAppDelegate : NSObject <UIApplicationDelegate> {
+    
+    UIWindow *window;
+    UINavigationController *navigationController;
+}
+
+@property (nonatomic, retain) IBOutlet UIWindow *window;
+@property (nonatomic, retain) IBOutlet UINavigationController *navigationController;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.m
new file mode 100644
index 0000000..5be22d9
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Classes/iPhoneExampleAppDelegate.m
@@ -0,0 +1,90 @@
+//
+//  iPhoneExampleAppDelegate.m
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright Mulle Kybernetik 2010. All rights reserved.
+//
+
+#import "iPhoneExampleAppDelegate.h"
+#import "RootViewController.h"
+
+
+@implementation iPhoneExampleAppDelegate
+
+@synthesize window;
+@synthesize navigationController;
+
+
+#pragma mark -
+#pragma mark Application lifecycle
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    
+    
+    // Override point for customization after application launch.
+    
+    // Add the navigation controller's view to the window and display.
+    [window addSubview:navigationController.view];
+    [window makeKeyAndVisible];
+
+    return YES;
+}
+
+
+- (void)applicationWillResignActive:(UIApplication *)application {
+    /*
+     Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+     Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
+     */
+}
+
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+    /*
+     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
+     If your application supports background execution, called instead of applicationWillTerminate: when the user quits.
+     */
+}
+
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+    /*
+     Called as part of  transition from the background to the inactive state: here you can undo many of the changes made on entering the background.
+     */
+}
+
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    /*
+     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+     */
+}
+
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    /*
+     Called when the application is about to terminate.
+     See also applicationDidEnterBackground:.
+     */
+}
+
+
+#pragma mark -
+#pragma mark Memory management
+
+- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application {
+    /*
+     Free up as much memory as possible by purging cached data objects that can be recreated (or reloaded from disk) later.
+     */
+}
+
+
+- (void)dealloc {
+	[navigationController release];
+	[window release];
+	[super dealloc];
+}
+
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/NSNotificationCenter+OCMAdditions.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/NSNotificationCenter+OCMAdditions.h
new file mode 100644
index 0000000..7d5d6d1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/NSNotificationCenter+OCMAdditions.h
@@ -0,0 +1,15 @@
+//---------------------------------------------------------------------------------------
+//  $Id: NSNotificationCenter+OCMAdditions.h 57 2010-07-19 06:14:27Z erik $
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@class OCMockObserver;
+
+
+@interface NSNotificationCenter(OCMAdditions)
+
+- (void)addMockObserver:(OCMockObserver *)notificationObserver name:(NSString *)notificationName object:(id)notificationSender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMArg.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMArg.h
new file mode 100644
index 0000000..e174a33
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMArg.h
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMArg.h 57 2010-07-19 06:14:27Z erik $
+//  Copyright (c) 2009-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMArg : NSObject 
+
+// constraining arguments
+
++ (id)any;
++ (void *)anyPointer;
++ (id)isNil;
++ (id)isNotNil;
++ (id)isNotEqual:(id)value;
++ (id)checkWithSelector:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
++ (id)checkWithBlock:(BOOL (^)(id))block;
+#endif
+
+// manipulating arguments
+
++ (id *)setTo:(id)value;
+
+// internal use only
+
++ (id)resolveSpecialValues:(NSValue *)value;
+
+@end
+
+#define OCMOCK_ANY [OCMArg any]
+#define OCMOCK_VALUE(variable) [NSValue value:&variable withObjCType:@encode(typeof(variable))]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMConstraint.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMConstraint.h
new file mode 100644
index 0000000..72b23e8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMConstraint.h
@@ -0,0 +1,64 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMConstraint.h 57 2010-07-19 06:14:27Z erik $
+//  Copyright (c) 2007-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+
+@interface OCMConstraint : NSObject 
+
++ (id)constraint;
+- (BOOL)evaluate:(id)value;
+
+// if you are looking for any, isNil, etc, they have moved to OCMArg
+
+// try to use [OCMArg checkWith...] instead of the constraintWith... methods below
+
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject;
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject withValue:(id)aValue;
+
+
+@end
+
+@interface OCMAnyConstraint : OCMConstraint
+@end
+
+@interface OCMIsNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotEqualConstraint : OCMConstraint
+{
+	@public
+	id testValue;
+}
+
+@end
+
+@interface OCMInvocationConstraint : OCMConstraint
+{
+	@public
+	NSInvocation *invocation;
+}
+
+@end
+
+#if NS_BLOCKS_AVAILABLE
+
+@interface OCMBlockConstraint : OCMConstraint
+{
+	BOOL (^block)(id);
+}
+
+- (id)initWithConstraintBlock:(BOOL (^)(id))block;
+
+@end
+
+#endif
+
+
+#define CONSTRAINT(aSelector) [OCMConstraint constraintWithSelector:aSelector onObject:self]
+#define CONSTRAINTV(aSelector, aValue) [OCMConstraint constraintWithSelector:aSelector onObject:self withValue:(aValue)]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMock.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMock.h
new file mode 100644
index 0000000..892b3cc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMock.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMock.h 39 2009-04-09 05:31:28Z erik $
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+#import <OCMock/OCMockRecorder.h>
+#import <OCMock/OCMConstraint.h>
+#import <OCMock/OCMArg.h>
+#import <OCMock/NSNotificationCenter+OCMAdditions.h>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockObject.h
new file mode 100644
index 0000000..a334b57
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockObject.h
@@ -0,0 +1,41 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMockObject.h 52 2009-08-14 07:21:10Z erik $
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockObject : NSProxy
+{
+	BOOL			isNice;
+	BOOL			expectationOrderMatters;
+	NSMutableArray	*recorders;
+	NSMutableArray	*expectations;
+	NSMutableArray	*exceptions;
+}
+
++ (id)mockForClass:(Class)aClass;
++ (id)mockForProtocol:(Protocol *)aProtocol;
++ (id)partialMockForObject:(NSObject *)anObject;
+
++ (id)niceMockForClass:(Class)aClass;
++ (id)niceMockForProtocol:(Protocol *)aProtocol;
+
++ (id)observerMock;
+
+- (id)init;
+
+- (void)setExpectationOrderMatters:(BOOL)flag;
+
+- (id)stub;
+- (id)expect;
+
+- (void)verify;
+
+// internal use only
+
+- (id)getNewRecorder;
+- (BOOL)handleInvocation:(NSInvocation *)anInvocation;
+- (void)handleUnRecordedInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockRecorder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockRecorder.h
new file mode 100644
index 0000000..7302f7f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/Headers/OCMock/OCMockRecorder.h
@@ -0,0 +1,31 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMockRecorder.h 57 2010-07-19 06:14:27Z erik $
+//  Copyright (c) 2004-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockRecorder : NSProxy 
+{
+	id				signatureResolver;
+	NSInvocation	*recordedInvocation;
+	NSMutableArray	*invocationHandlers;
+}
+
+- (id)initWithSignatureResolver:(id)anObject;
+
+- (BOOL)matchesInvocation:(NSInvocation *)anInvocation;
+- (void)releaseInvocation;
+
+- (id)andReturn:(id)anObject;
+- (id)andReturnValue:(NSValue *)aValue;
+- (id)andThrow:(NSException *)anException;
+- (id)andPost:(NSNotification *)aNotification;
+- (id)andCall:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
+- (id)andDo:(void (^)(NSInvocation *))block; 
+#endif
+
+- (NSArray *)invocationHandlers;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/libOCMock.a b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/libOCMock.a
new file mode 100644
index 0000000..813d8a5
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Libraries/libOCMock.a differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/MainWindow.xib b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/MainWindow.xib
new file mode 100644
index 0000000..64262ef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/MainWindow.xib
@@ -0,0 +1,542 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="7.10">
+	<data>
+		<int key="IBDocument.SystemTarget">1024</int>
+		<string key="IBDocument.SystemVersion">10D571</string>
+		<string key="IBDocument.InterfaceBuilderVersion">786</string>
+		<string key="IBDocument.AppKitVersion">1038.29</string>
+		<string key="IBDocument.HIToolboxVersion">460.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">112</string>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<integer value="13"/>
+		</object>
+		<object class="NSArray" key="IBDocument.PluginDependencies">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSArray" key="dict.sortedKeys" id="0">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+			<object class="NSMutableArray" key="dict.values">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBProxyObject" id="302016328">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUICustomObject" id="664661524">
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUIWindow" id="380026005">
+				<nil key="NSNextResponder"/>
+				<int key="NSvFlags">1316</int>
+				<object class="NSPSMatrix" key="NSFrameMatrix"/>
+				<string key="NSFrameSize">{320, 480}</string>
+				<object class="NSColor" key="IBUIBackgroundColor">
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+					<bytes key="NSRGB">MSAxIDEAA</bytes>
+				</object>
+				<bool key="IBUIOpaque">NO</bool>
+				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+				<bool key="IBUIResizesToFullScreen">YES</bool>
+			</object>
+			<object class="IBUINavigationController" id="701001926">
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
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+					<int key="interfaceOrientation">1</int>
+				</object>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+				<bool key="IBUIHorizontal">NO</bool>
+				<object class="IBUINavigationBar" key="IBUINavigationBar" id="207850653">
+					<nil key="NSNextResponder"/>
+					<int key="NSvFlags">256</int>
+					<string key="NSFrameSize">{0, 0}</string>
+					<bool key="IBUIOpaque">NO</bool>
+					<bool key="IBUIClipsSubviews">YES</bool>
+					<bool key="IBUIMultipleTouchEnabled">YES</bool>
+					<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+				</object>
+				<object class="NSMutableArray" key="IBUIViewControllers">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<object class="IBUIViewController" id="619226028">
+						<object class="IBUINavigationItem" key="IBUINavigationItem" id="394667715">
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+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						</object>
+						<reference key="IBUIParentViewController" ref="701001926"/>
+						<string key="IBUINibName">RootViewController</string>
+						<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+						<object class="IBUISimulatedOrientationMetrics" key="IBUISimulatedOrientationMetrics">
+							<int key="interfaceOrientation">1</int>
+						</object>
+						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+						<bool key="IBUIHorizontal">NO</bool>
+					</object>
+				</object>
+			</object>
+		</object>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<object class="NSMutableArray" key="connectionRecords">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="841351856"/>
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+					<int key="connectionID">4</int>
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+					<object class="IBCocoaTouchOutletConnection" key="connection">
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+						<reference key="source" ref="664661524"/>
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+					<int key="connectionID">5</int>
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+						<string key="label">navigationController</string>
+						<reference key="source" ref="664661524"/>
+						<reference key="destination" ref="701001926"/>
+					</object>
+					<int key="connectionID">15</int>
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+						<int key="objectID">2</int>
+						<reference key="object" ref="380026005"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+						</object>
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+						<int key="objectID">-1</int>
+						<reference key="object" ref="841351856"/>
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+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">3</int>
+						<reference key="object" ref="664661524"/>
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+					<string key="className">NSObject</string>
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+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSObject</string>
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+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UISearchDisplayController</string>
+					<string key="superclassName">NSObject</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UISearchDisplayController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UITableView</string>
+					<string key="superclassName">UIScrollView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UITableView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UITableViewController</string>
+					<string key="superclassName">UIViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UITableViewController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UITextField.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIView</string>
+					<string key="superclassName">UIResponder</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
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+						<string key="minorKey">UIKit.framework/Headers/UINavigationController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
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+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIViewController</string>
+					<string key="superclassName">UIResponder</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIViewController.h</string>
+					</object>
+				</object>
+			</object>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
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diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.h
new file mode 100644
index 0000000..5601394
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.h
@@ -0,0 +1,17 @@
+//
+//  RootViewControllerTests.h
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright 2010 Mulle Kybernetik. All rights reserved.
+//
+//  See Also: http://developer.apple.com/iphone/library/documentation/Xcode/Conceptual/iphone_development/135-Unit_Testing_Applications/unit_testing_applications.html
+
+
+#import <SenTestingKit/SenTestingKit.h>
+#import <UIKit/UIKit.h>
+
+
+@interface RootViewControllerTests : SenTestCase 
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.m
new file mode 100644
index 0000000..45ba525
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/Tests/RootViewControllerTests.m
@@ -0,0 +1,75 @@
+//
+//  RootViewControllerTests.m
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright 2010 Mulle Kybernetik. All rights reserved.
+//
+
+#import <OCMock/OCMock.h>
+#import "RootViewControllerTests.h"
+#import "RootViewController.h"
+
+/* 
+ 
+	A simple test suite to test the RootViewController. It needs to be run as an "application test" as described
+	in the following Apple document. This project is set up following the steps outlined in the document.
+
+	http://developer.apple.com/iphone/library/documentation/xcode/conceptual/iphone_development/135-Unit_Testing_Applications/unit_testing_applications.html
+
+	The first test could be run as a "logic test" but the second test invokes functionality that sets a cell 
+	label, which requires instantiation of a font, and that is not possible outside the device/simulator. The 
+	following discussion has a bit more detail:
+
+	http://stackoverflow.com/questions/1689586/why-does-instantiating-a-uifont-in-an-iphone-unit-test-cause-a-crash
+
+	As far as I am aware you cannot run the tests in the simulator; at least when I try to run the tests in the
+    simulator, the app just launches but there is no output in the debugger window that would indicate the tests
+    were run.
+ 
+	The first test should pass but the second test should fail, and you should be able to see something like the 
+	following in your device log:
+
+		Test Suite '/var/mobile/Applications/4CEA4E8D-069E-4363-A4B5-E01AF01176CE/iPhoneExample.app/iPhoneExampleTests.octest(Tests)' started at 2010-07-28 10:33:45 +1000
+		Test Suite 'RootViewControllerTests' started at 2010-07-28 10:33:45 +1000
+		Test Case '-[RootViewControllerTests testControllerReturnsCorrectNumberOfRows]' passed (0.000 seconds).
+		Unknown.m:0: error: -[RootViewControllerTests testControllerSetsUpCellCorrectly] : OCMockObject[UITableView]: unexpected method invoked: dequeueReusableCellWithIdentifier:@"Cell" 
+		    expected: 	dequeueReusableCellWithIdentifier:@"HelloWorldCell"
+		Test Case '-[RootViewControllerTests testControllerSetsUpCellCorrectly]' failed (0.002 seconds).
+		Test Suite 'RootViewControllerTests' finished at 2010-07-28 10:33:45 +1000.
+		Executed 2 tests, with 1 failure (1 unexpected) in 0.002 (0.006) seconds
+
+	The failure occurs when then RootViewController sends the dequeueReusableCellWithIdentifier: method to the mock
+	table view. The mock view is set up to expect that method call with the string "HelloWorldCell" as an argument, 
+	but the RootViewController calls the method with just "Cell" as an argument. When you change the identifier in 
+	line 75 of the RootViewController to "HelloWorldCell" and re-run the tests, they should both pass.
+ 
+ */
+
+
+@implementation RootViewControllerTests
+
+- (void)testControllerReturnsCorrectNumberOfRows
+{
+	RootViewController *controller = [[[RootViewController alloc] initWithStyle:UITableViewStylePlain] autorelease];
+	
+	STAssertEquals(1, [controller tableView:nil numberOfRowsInSection:0], @"Should have returned correct number of rows.");
+}
+
+
+- (void)testControllerSetsUpCellCorrectly
+{
+	RootViewController *controller = [[[RootViewController alloc] initWithStyle:UITableViewStylePlain] autorelease];
+	id mockTableView = [OCMockObject mockForClass:[UITableView class]];
+	[[[mockTableView expect] andReturn:nil] dequeueReusableCellWithIdentifier:@"HelloWorldCell"];
+	
+	UITableViewCell *cell = [controller tableView:mockTableView cellForRowAtIndexPath:nil];
+	
+	STAssertNotNil(cell, @"Should have returned a cell");
+	STAssertEqualObjects(@"Hello World!", cell.textLabel.text, @"Should have set label");
+	[mockTableView verify];
+}
+
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample-Info.plist
new file mode 100644
index 0000000..104366e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample-Info.plist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string>OCMockLogo.png</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.mulle-kybernetik.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSMainNibFile</key>
+	<string>MainWindow</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample.xcodeproj/project.pbxproj
new file mode 100755
index 0000000..756a9c7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample.xcodeproj/project.pbxproj
@@ -0,0 +1,536 @@
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+		};
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+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExampleTests-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExampleTests-Info.plist
new file mode 100644
index 0000000..94eb7f4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExampleTests-Info.plist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.yourcompany.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample_Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample_Prefix.pch
new file mode 100644
index 0000000..7832bac
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/iPhoneExample_Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'iPhoneExample' target in the 'iPhoneExample' project
+//
+#import <Availability.h>
+
+#ifndef __IPHONE_3_0
+#warning "This project uses features only available in iPhone SDK 3.0 and later."
+#endif
+
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+    #import <UIKit/UIKit.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/main.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/main.m
new file mode 100644
index 0000000..f5826a3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Examples/iPhoneExample/main.m
@@ -0,0 +1,17 @@
+//
+//  main.m
+//  iPhoneExample
+//
+//  Created by Erik Doernenburg on 20/07/10.
+//  Copyright Mulle Kybernetik 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+int main(int argc, char *argv[]) {
+    
+    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+    int retVal = UIApplicationMain(argc, argv, nil, nil);
+    [pool release];
+    return retVal;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/README.md b/Vendor/facebook-ios-sdk/vendor/OCMock/README.md
new file mode 100644
index 0000000..d6441b8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/README.md
@@ -0,0 +1,10 @@
+OCMock
+======
+
+OCMock is an Objective-C implementation of mock objects. 
+
+Github is used to store and manage the source code. 
+
+For downloads, documentation, and support please visit [ocmock.org][].  
+
+  [ocmock.org]: http://ocmock.org/
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Changes.txt b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Changes.txt
new file mode 100644
index 0000000..e48f917
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Changes.txt
@@ -0,0 +1,276 @@
+Chronological listing of changes. More detail is usually found in the Git commit messages
+and/or the pull requests.
+
+2013-03-14
+
+* Stubbing an object creation method now handles retain count correctly.
+* Added support for forwardingTagetForSelector: (thanks to Jeff Watkins)
+
+
+2013-03-12
+
+* Added class method mocking capability to class mock objects
+* Added implementation of isKindOfClass: to class mock objects
+
+
+2013-02-20
+
+* Allowing to set non-object pass-by-ref args (thanks to Glenn L. Austin)
+
+
+2012-08-23
+
+* Calling a previously expected method on a partial mock is no longer an error.
+
+
+2012-01-23
+
+* Avoiding deprecated method to convert to a C string (thanks to Kushal Pisavadia)
+
+
+2011-11-03
+
+* Recreated project from scratch with new conventions in Xcode 4.2 (thanks to Matt Di Pasquale)
+
+
+2011-09-26 
+
+* Arguments only need to be equal, don't have to have same class
+
+
+
+Chronological listing of changes in the original Subversion code repository. If a particular 
+SVN revision has no entry, that check-in did not involve any code or feature changes.
+            
+2011-02-15 (r74)
+
+* Added feature to explicitly disable a partial mock
+			
+			
+2011-01-28 (r71)
+
+* Updated example to work with iOS 4.2.
+
+
+2010-08-21 (r69)
+
+* Added feature to explicitly reject methods on nice mocks (thanks to Heath Borders)
+ 
+
+2010-08-20 (r68)
+
+* Added feature to forward method to real object from partial mock (thanks to Marco Sandrini)
+
+
+2010-08-02 (r67)
+
+* Fix to allow block arguments (thanks to Justin DeWind)
+
+
+2010-07-28 (r62-r65)
+
+* Now building OCMock library for simulator (i386) and device (armv7)
+* Updated example to run tests on device                    
+* Changed OCMOCK_VALUE macro to be iOS compatible (thanks to Derek Clarkson)
+
+
+2010-07-21 (r61)
+
+* Added a new target to build a static library for iOS use
+* Created an example showing how to use OCMock in an iOS project
+
+
+2010-05-19 (r57)
+
+* Various small clean-ups; no change in functionality (thanks to Jonah Williams)
+
+
+2010-04-18 (r56)
+
+* Added block constraints and invocation handler (thanks to Justin DeWind)
+
+
+2009-10-16 (r55)
+
+* Fixed broken test for array argument descciptions (Craig Beck)
+* Disambiguated mock table method name to avoid compiler warning
+* Renamed some variables to avoid warnings when using -Wshadow
+* Partial mocks are now deallocated as they should
+* Fixed problems that occured when using mocks as arguments
+
+
+2009-08-18 (r54)
+
+* OnCall methods now have same signature as replaced ones.
+
+
+2009-08-14 (r53)
+
+* Fixed possible retain bug (Daniel Eggert)
+
+
+2009-08-14 (r52)
+
+* Added feature that allows to verify expectations are called in sequence.
+* Improved detection of unqualified method return type.
+
+
+2009-08-13 (r51)
+
+* Fixed bug that caused crash when using method swizzling with void return type.
+
+
+2009-07-14 (r49)
+
+* Added support for calling arbitrary methods when stubbed methods are invoked.
+
+
+2009-07-14 (r48)
+
+* Added support for posting notifications (based on Jean-Francois Dontigny's code)
+
+
+2009-07-14 (r46)
+
+* Fixed bug around complex type encodings (Jean-Francois Dontigny)
+
+
+2009-05-26 (r45)
+
+* Partial mocks now work on object reference and self (thanks to Mike Mangino)
+
+
+2009-04-24 (r43)
+
+* Added partial mocks (calls to the original object reference cannot be mocked)
+
+
+2009-04-17 (r42)
+
+* Mock observers now handle user infos on notifications.
+
+
+2009-04-09 (r39)
+
+* Added inital support for mock observers (loosely based on Dave Dribbin's idea)
+
+
+2009-04-08 (r38)
+
+* Moved factory methods from OCMConstraint to OCMArg
+
+
+2009-03-13 (r37)
+
+* Added pass by ref argument setters
+
+
+2009-03-11 (r34)
+
+* Linked install name now uses @rpath (Dave Dribbin)
+
+
+2009-02-22 (r32)
+
+* Added support for respondsToSelector (Dave Dribin)
+* Added constraint for any pointer 
+* Now comparing selectors as strings (Dado Colussi)
+
+
+2008-07-07 (r28)
+
+* Resetting invocation target in recorder to avoid retain cycles.
+
+
+2008-06-19 (r27)
+
+* Added optional integration with hamcrest for constraints
+
+
+2008-05-08 (r24)
+
+* Now building quad-fat; the 64-bit versions are somewhat experimental though
+
+
+2008-02-28 (r22)
+
+* Using new functions to deal with protocols (Evan Doll)
+
+
+2007-11-22 (r20)
+
+* Added support for void* parameters (Tuukka Norri)
+* Fixed a bug that could caused crashes when non-char const pointers were described
+ 
+
+2007-11-22 (r19)
+
+* Fixed bug to allow mocking of methods with type qualifieres (Nikita Zhuk)
+
+
+2007-10-22 (r18)
+
+* Added a simple constraint implementation.
+
+
+2007-06-04 (r15)
+
+* Now re-throwing fail-fast exceptions, for unexpected invocations for example, when
+  verify is called; in case the first throw is ignored by a framework.
+
+
+2007-04-23 (r14)
+
+* Added nice mocks, i.e. mocks that don't raise on unknown methods (Mark Thomas)
+
+* Fixed bug that prevented expectations after invocations (M. Scott Ford)
+
+
+2006-06-11 (r12)
+
+* Added possibility to throw an exception, based on code by Justin DeWind
+
+* Added Evan Doll's bugfix, which forwards conformsToProtocol: methods when necessary
+
+* Added the ability to match struct arguments, based on code contributed by Daniel Eggert
+
+* Better description of arguments, based on code contributed by Jeremy Higgs
+
+* Added the ability to create multiple identical expectations on the mock object (Jeremy Higgs)
+
+* Added the ability to mock out nil arguments (Jeremy Higgs)
+
+
+2005-12-11 (r11)
+
+* Added slightly modified version of Jon Reid's contribution, which adds the possibility to stub 
+  primitive return values.
+
+* Added Jon Reid's bugfix that prevents a crash when trying to stub an unknown method on a 
+  protocol.
+
+
+2005-10-03 (r10)
+
+* Upgraded to build and run tests using the OCUnit that is now part of XCode.
+
+
+2005-10-03 (r9)
+
+* Added XCdoe 2.1 project
+
+
+2005-02-16 (r8)
+
+* Added Richard Clark's contribution, which provides support for scalar arguments.
+
+
+2005-02-13 (r7)
+
+* Added support for mocking formal protocols
+
+
+2004-08-26 (r6)
+
+* MockObject and Recorder now inherit from NSProxy.
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Frameworks/OCHamcrest.tar.bz2 b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Frameworks/OCHamcrest.tar.bz2
new file mode 100644
index 0000000..1a9578a
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/Frameworks/OCHamcrest.tar.bz2 differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/License.txt b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/License.txt
new file mode 100644
index 0000000..9d0d6f7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/License.txt
@@ -0,0 +1,15 @@
+  
+  Copyright (c) 2004-2013 by Mulle Kybernetik. All rights reserved.
+
+  Permission to use, copy, modify and distribute this software and its documentation
+  is hereby granted, provided that both the copyright notice and this permission
+  notice appear in all copies of the software, derivative works or modified versions,
+  and any portions thereof, and that both notices appear in supporting documentation,
+  and that credit is given to Mulle Kybernetik in all documents and publicity
+  pertaining to direct or indirect use of this code or its derivatives.
+
+  THIS IS EXPERIMENTAL SOFTWARE AND IT IS KNOWN TO HAVE BUGS, SOME OF WHICH MAY HAVE
+  SERIOUS CONSEQUENCES. THE COPYRIGHT HOLDER ALLOWS FREE USE OF THIS SOFTWARE IN ITS
+  "AS IS" CONDITION. THE COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY
+  DAMAGES WHATSOEVER RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE
+  OR OF ANY DERIVATIVE WORK.
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..e73da2e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock.xcodeproj/project.pbxproj
@@ -0,0 +1,989 @@
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+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				SDKROOT = macosx;
+			};
+			name = Release;
+		};
+		030EF0D314632FD000B04273 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				FRAMEWORK_VERSION = A;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMock/OCMock-Prefix.pch";
+				INFOPLIST_FILE = "OCMock/OCMock-Info.plist";
+				LD_DYLIB_INSTALL_NAME = "@rpath/$(EXECUTABLE_PATH)";
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+			};
+			name = Debug;
+		};
+		030EF0D414632FD000B04273 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				DYLIB_COMPATIBILITY_VERSION = 1;
+				DYLIB_CURRENT_VERSION = 1;
+				FRAMEWORK_VERSION = A;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMock/OCMock-Prefix.pch";
+				INFOPLIST_FILE = "OCMock/OCMock-Info.plist";
+				LD_DYLIB_INSTALL_NAME = "@rpath/$(EXECUTABLE_PATH)";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SYSTEM_LIBRARY_DIR)/Frameworks/Foundation.framework/Versions/C\"",
+				);
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = framework;
+			};
+			name = Release;
+		};
+		030EF0D614632FD000B04273 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				FRAMEWORK_SEARCH_PATHS = (
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+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMock/OCMock-Prefix.pch";
+				INFOPLIST_FILE = "OCMockTests/OCMockTests-Info.plist";
+				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../../../Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"${TARGET_BUILD_DIR}/Frameworks\"",
+					"\"$(SYSTEM_LIBRARY_DIR)/Frameworks/Foundation.framework/Versions/C\"",
+				);
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = octest;
+			};
+			name = Debug;
+		};
+		030EF0D714632FD000B04273 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				COMBINE_HIDPI_IMAGES = YES;
+				FRAMEWORK_SEARCH_PATHS = (
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+					"$(DEVELOPER_LIBRARY_DIR)/Frameworks",
+				);
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMock/OCMock-Prefix.pch";
+				INFOPLIST_FILE = "OCMockTests/OCMockTests-Info.plist";
+				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../../../Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"${TARGET_BUILD_DIR}/Frameworks",
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+				);
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = octest;
+			};
+			name = Release;
+		};
+		030EF0E614632FF700B04273 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				DSTROOT = /tmp/OCMockLib.dst;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMockLib/OCMockLib-Prefix.pch";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SYSTEM_LIBRARY_DIR)/Frameworks/Foundation.framework/Versions/C\"",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = OCMock;
+				PUBLIC_HEADERS_FOLDER_PATH = "$(PRODUCT_NAME)";
+				SDKROOT = iphoneos;
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		030EF0E714632FF700B04273 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				DSTROOT = /tmp/OCMockLib.dst;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OCMockLib/OCMockLib-Prefix.pch";
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SYSTEM_LIBRARY_DIR)/Frameworks/Foundation.framework/Versions/C\"",
+				);
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = OCMock;
+				PUBLIC_HEADERS_FOLDER_PATH = "$(PRODUCT_NAME)";
+				SDKROOT = iphoneos;
+				SKIP_INSTALL = YES;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		030EF0A114632FD000B04273 /* Build configuration list for PBXProject "OCMock" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				030EF0D014632FD000B04273 /* Debug */,
+				030EF0D114632FD000B04273 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		030EF0D214632FD000B04273 /* Build configuration list for PBXNativeTarget "OCMock" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				030EF0D314632FD000B04273 /* Debug */,
+				030EF0D414632FD000B04273 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		030EF0D514632FD000B04273 /* Build configuration list for PBXNativeTarget "OCMockTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				030EF0D614632FD000B04273 /* Debug */,
+				030EF0D714632FD000B04273 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		030EF0E514632FF700B04273 /* Build configuration list for PBXNativeTarget "OCMockLib" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				030EF0E614632FF700B04273 /* Debug */,
+				030EF0E714632FF700B04273 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 030EF09E14632FD000B04273 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.h
new file mode 100644
index 0000000..04f22cd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.h
@@ -0,0 +1,34 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2006-2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface NSInvocation(OCMAdditions)
+
+- (id)getArgumentAtIndexAsObject:(int)argIndex;
+
+- (NSString *)invocationDescription;
+
+- (NSString *)argumentDescriptionAtIndex:(int)argIndex;
+
+- (NSString *)objectDescriptionAtIndex:(int)anInt;
+- (NSString *)charDescriptionAtIndex:(int)anInt;
+- (NSString *)unsignedCharDescriptionAtIndex:(int)anInt;
+- (NSString *)intDescriptionAtIndex:(int)anInt;
+- (NSString *)unsignedIntDescriptionAtIndex:(int)anInt;
+- (NSString *)shortDescriptionAtIndex:(int)anInt;
+- (NSString *)unsignedShortDescriptionAtIndex:(int)anInt;
+- (NSString *)longDescriptionAtIndex:(int)anInt;
+- (NSString *)unsignedLongDescriptionAtIndex:(int)anInt;
+- (NSString *)longLongDescriptionAtIndex:(int)anInt;
+- (NSString *)unsignedLongLongDescriptionAtIndex:(int)anInt;
+- (NSString *)doubleDescriptionAtIndex:(int)anInt;
+- (NSString *)floatDescriptionAtIndex:(int)anInt;
+- (NSString *)structDescriptionAtIndex:(int)anInt;
+- (NSString *)pointerDescriptionAtIndex:(int)anInt;
+- (NSString *)cStringDescriptionAtIndex:(int)anInt;
+- (NSString *)selectorDescriptionAtIndex:(int)anInt;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.m
new file mode 100644
index 0000000..4157958
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSInvocation+OCMAdditions.m
@@ -0,0 +1,337 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2006-2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSInvocation+OCMAdditions.h"
+
+
+@implementation NSInvocation(OCMAdditions)
+
+- (id)getArgumentAtIndexAsObject:(int)argIndex
+{
+	const char* argType;
+	
+	argType = [[self methodSignature] getArgumentTypeAtIndex:argIndex];
+	while(strchr("rnNoORV", argType[0]) != NULL)
+		argType += 1;
+	
+	if((strlen(argType) > 1) && (strchr("{^", argType[0]) == NULL) && (strcmp("@?", argType) != 0))
+		[NSException raise:NSInvalidArgumentException format:@"Cannot handle argument type '%s'.", argType];
+	
+	switch (argType[0]) 
+	{
+		case '#':
+		case '@': 
+		{
+			id value;
+			[self getArgument:&value atIndex:argIndex];
+			return value;
+		}
+		case ':':
+ 		{
+ 			SEL s = (SEL)0;
+ 			[self getArgument:&s atIndex:argIndex];
+ 			id value = NSStringFromSelector(s);
+ 			return value;
+ 		}
+		case 'i': 
+		{
+			int value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithInt:value];
+		}	
+		case 's':
+		{
+			short value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithShort:value];
+		}	
+		case 'l':
+		{
+			long value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithLong:value];
+		}	
+		case 'q':
+		{
+			long long value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithLongLong:value];
+		}	
+		case 'c':
+		{
+			char value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithChar:value];
+		}	
+		case 'C':
+		{
+			unsigned char value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithUnsignedChar:value];
+		}	
+		case 'I':
+		{
+			unsigned int value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithUnsignedInt:value];
+		}	
+		case 'S':
+		{
+			unsigned short value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithUnsignedShort:value];
+		}	
+		case 'L':
+		{
+			unsigned long value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithUnsignedLong:value];
+		}	
+		case 'Q':
+		{
+			unsigned long long value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithUnsignedLongLong:value];
+		}	
+		case 'f':
+		{
+			float value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithFloat:value];
+		}	
+		case 'd':
+		{
+			double value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithDouble:value];
+		}	
+		case 'B':
+		{
+			bool value;
+			[self getArgument:&value atIndex:argIndex];
+			return [NSNumber numberWithBool:value];
+		}
+		case '^':
+        {
+            void *value = NULL;
+            [self getArgument:&value atIndex:argIndex];
+            return [NSValue valueWithPointer:value];
+        }
+		case '{': // structure
+		{
+			NSUInteger maxArgSize = [[self methodSignature] frameLength];
+			NSMutableData *argumentData = [[[NSMutableData alloc] initWithLength:maxArgSize] autorelease];
+			[self getArgument:[argumentData mutableBytes] atIndex:argIndex];
+			return [NSValue valueWithBytes:[argumentData bytes] objCType:argType];
+		}       
+			
+	}
+	[NSException raise:NSInvalidArgumentException format:@"Argument type '%s' not supported", argType];
+	return nil;
+}
+
+- (NSString *)invocationDescription
+{
+	NSMethodSignature *methodSignature = [self methodSignature];
+	NSUInteger numberOfArgs = [methodSignature numberOfArguments];
+	
+	if (numberOfArgs == 2)
+		return NSStringFromSelector([self selector]);
+	
+	NSArray *selectorParts = [NSStringFromSelector([self selector]) componentsSeparatedByString:@":"];
+	NSMutableString *description = [[NSMutableString alloc] init];
+	unsigned int i;
+	for(i = 2; i < numberOfArgs; i++)
+	{
+		[description appendFormat:@"%@%@:", (i > 2 ? @" " : @""), [selectorParts objectAtIndex:(i - 2)]];
+		[description appendString:[self argumentDescriptionAtIndex:i]];
+	}
+	
+	return [description autorelease];
+}
+
+- (NSString *)argumentDescriptionAtIndex:(int)argIndex
+{
+	const char *argType = [[self methodSignature] getArgumentTypeAtIndex:argIndex];
+	if(strchr("rnNoORV", argType[0]) != NULL)
+		argType += 1;
+
+	switch(*argType)
+	{
+		case '@':	return [self objectDescriptionAtIndex:argIndex];
+		case 'c':	return [self charDescriptionAtIndex:argIndex];
+		case 'C':	return [self unsignedCharDescriptionAtIndex:argIndex];
+		case 'i':	return [self intDescriptionAtIndex:argIndex];
+		case 'I':	return [self unsignedIntDescriptionAtIndex:argIndex];
+		case 's':	return [self shortDescriptionAtIndex:argIndex];
+		case 'S':	return [self unsignedShortDescriptionAtIndex:argIndex];
+		case 'l':	return [self longDescriptionAtIndex:argIndex];
+		case 'L':	return [self unsignedLongDescriptionAtIndex:argIndex];
+		case 'q':	return [self longLongDescriptionAtIndex:argIndex];
+		case 'Q':	return [self unsignedLongLongDescriptionAtIndex:argIndex];
+		case 'd':	return [self doubleDescriptionAtIndex:argIndex];
+		case 'f':	return [self floatDescriptionAtIndex:argIndex];
+		// Why does this throw EXC_BAD_ACCESS when appending the string?
+		//	case NSObjCStructType: return [self structDescriptionAtIndex:index];
+		case '^':	return [self pointerDescriptionAtIndex:argIndex];
+		case '*':	return [self cStringDescriptionAtIndex:argIndex];
+		case ':':	return [self selectorDescriptionAtIndex:argIndex];
+		default:	return [@"<??" stringByAppendingString:@">"];  // avoid confusion with trigraphs...
+	}
+	
+}
+
+
+- (NSString *)objectDescriptionAtIndex:(int)anInt
+{
+	id object;
+	
+	[self getArgument:&object atIndex:anInt];
+	if (object == nil)
+		return @"nil";
+	else if(![object isProxy] && [object isKindOfClass:[NSString class]])
+		return [NSString stringWithFormat:@"@\"%@\"", [object description]];
+	else
+		return [object description];
+}
+
+- (NSString *)charDescriptionAtIndex:(int)anInt
+{
+	unsigned char buffer[128];
+	memset(buffer, 0x0, 128);
+	
+	[self getArgument:&buffer atIndex:anInt];
+	
+	// If there's only one character in the buffer, and it's 0 or 1, then we have a BOOL
+	if (buffer[1] == '\0' && (buffer[0] == 0 || buffer[0] == 1))
+		return [NSString stringWithFormat:@"%@", (buffer[0] == 1 ? @"YES" : @"NO")];
+	else
+		return [NSString stringWithFormat:@"'%c'", *buffer];
+}
+
+- (NSString *)unsignedCharDescriptionAtIndex:(int)anInt
+{
+	unsigned char buffer[128];
+	memset(buffer, 0x0, 128);
+	
+	[self getArgument:&buffer atIndex:anInt];
+	return [NSString stringWithFormat:@"'%c'", *buffer];
+}
+
+- (NSString *)intDescriptionAtIndex:(int)anInt
+{
+	int intValue;
+	
+	[self getArgument:&intValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%d", intValue];
+}
+
+- (NSString *)unsignedIntDescriptionAtIndex:(int)anInt
+{
+	unsigned int intValue;
+	
+	[self getArgument:&intValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%d", intValue];
+}
+
+- (NSString *)shortDescriptionAtIndex:(int)anInt
+{
+	short shortValue;
+	
+	[self getArgument:&shortValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%hi", shortValue];
+}
+
+- (NSString *)unsignedShortDescriptionAtIndex:(int)anInt
+{
+	unsigned short shortValue;
+	
+	[self getArgument:&shortValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%hu", shortValue];
+}
+
+- (NSString *)longDescriptionAtIndex:(int)anInt
+{
+	long longValue;
+	
+	[self getArgument:&longValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%ld", longValue];
+}
+
+- (NSString *)unsignedLongDescriptionAtIndex:(int)anInt
+{
+	unsigned long longValue;
+	
+	[self getArgument:&longValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%lu", longValue];
+}
+
+- (NSString *)longLongDescriptionAtIndex:(int)anInt
+{
+	long long longLongValue;
+	
+	[self getArgument:&longLongValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%qi", longLongValue];
+}
+
+- (NSString *)unsignedLongLongDescriptionAtIndex:(int)anInt
+{
+	unsigned long long longLongValue;
+	
+	[self getArgument:&longLongValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%qu", longLongValue];
+}
+
+- (NSString *)doubleDescriptionAtIndex:(int)anInt;
+{
+	double doubleValue;
+	
+	[self getArgument:&doubleValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%f", doubleValue];
+}
+
+- (NSString *)floatDescriptionAtIndex:(int)anInt
+{
+	float floatValue;
+	
+	[self getArgument:&floatValue atIndex:anInt];
+	return [NSString stringWithFormat:@"%f", floatValue];
+}
+
+- (NSString *)structDescriptionAtIndex:(int)anInt;
+{
+	void *buffer;
+	
+	[self getArgument:&buffer atIndex:anInt];
+	return [NSString stringWithFormat:@":(struct)%p", buffer];
+}
+
+- (NSString *)pointerDescriptionAtIndex:(int)anInt
+{
+	void *buffer;
+	
+	[self getArgument:&buffer atIndex:anInt];
+	return [NSString stringWithFormat:@"%p", buffer];
+}
+
+- (NSString *)cStringDescriptionAtIndex:(int)anInt
+{
+	char buffer[128];
+	
+	memset(buffer, 0x0, 128);
+	
+	[self getArgument:&buffer atIndex:anInt];
+	return [NSString stringWithFormat:@"\"%s\"", buffer];
+}
+
+- (NSString *)selectorDescriptionAtIndex:(int)anInt
+{
+	SEL selectorValue;
+	
+	[self getArgument:&selectorValue atIndex:anInt];
+	return [NSString stringWithFormat:@"@selector(%@)", NSStringFromSelector(selectorValue)];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.h
new file mode 100644
index 0000000..23741e3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.h
@@ -0,0 +1,18 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface NSMethodSignature(PrivateAPI)
+
++ (id)signatureWithObjCTypes:(const char *)types;
+
+@end
+
+@interface NSMethodSignature(OCMAdditions)
+
+- (const char *)methodReturnTypeWithoutQualifiers;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.m
new file mode 100644
index 0000000..a69bb14
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSMethodSignature+OCMAdditions.m
@@ -0,0 +1,19 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSMethodSignature+OCMAdditions.h"
+
+
+@implementation NSMethodSignature(OCMAdditions)
+
+- (const char *)methodReturnTypeWithoutQualifiers
+{
+	const char *returnType = [self methodReturnType];
+	while(strchr("rnNoORV", returnType[0]) != NULL)
+		returnType += 1;
+	return returnType;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.h
new file mode 100644
index 0000000..ab4832b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.h
@@ -0,0 +1,15 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@class OCMockObserver;
+
+
+@interface NSNotificationCenter(OCMAdditions)
+
+- (void)addMockObserver:(OCMockObserver *)notificationObserver name:(NSString *)notificationName object:(id)notificationSender;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.m
new file mode 100644
index 0000000..286cb68
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/NSNotificationCenter+OCMAdditions.m
@@ -0,0 +1,17 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSNotificationCenter+OCMAdditions.h"
+#import "OCObserverMockObject.h"
+
+
+@implementation NSNotificationCenter(OCMAdditions)
+
+- (void)addMockObserver:(OCMockObserver *)notificationObserver name:(NSString *)notificationName object:(id)notificationSender
+{
+	[self addObserver:notificationObserver selector:@selector(handleNotification:) name:notificationName object:notificationSender];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.h
new file mode 100644
index 0000000..3642240
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.h
@@ -0,0 +1,21 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2005-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+
+@interface OCClassMockObject : OCMockObject 
+{
+	Class               mockedClass;
+	NSMutableDictionary *replacedClassMethods;
+}
+
+- (id)initWithClass:(Class)aClass;
+
+- (Class)mockedClass;
+
+- (void)setupClassForClassMethodMocking;
+- (void)setupForwarderForClassMethodSelector:(SEL)selector;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.m
new file mode 100644
index 0000000..a479a8a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCClassMockObject.m
@@ -0,0 +1,160 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2005-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import "OCClassMockObject.h"
+
+
+@implementation OCClassMockObject
+
+#pragma mark  Mock table
+
+static NSMutableDictionary *mockTable;
+
++ (void)initialize
+{
+	if(self == [OCClassMockObject class])
+		mockTable = [[NSMutableDictionary alloc] init];
+}
+
++ (void)rememberMock:(OCClassMockObject *)mock forClass:(Class)aClass
+{
+    @synchronized(mockTable)
+    {
+        [mockTable setObject:[NSValue valueWithNonretainedObject:mock] forKey:[NSValue valueWithNonretainedObject:aClass]];
+    }
+}
+
++ (void)forgetMockForClass:(Class)aClass
+{
+    @synchronized(mockTable)
+    {
+        [mockTable removeObjectForKey:[NSValue valueWithNonretainedObject:aClass]];
+    }
+}
+
++ (OCClassMockObject *)existingMockForClass:(Class)aClass
+{
+    @synchronized(mockTable)
+    {
+        OCClassMockObject *mock = [[mockTable objectForKey:[NSValue valueWithNonretainedObject:aClass]] nonretainedObjectValue];
+        if(mock == nil)
+            [NSException raise:NSInternalInconsistencyException format:@"No mock for class %p", aClass];
+        return mock;
+    }
+}
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)initWithClass:(Class)aClass
+{
+	[super init];
+	mockedClass = aClass;
+	return self;
+}
+
+- (void)dealloc
+{
+	if(replacedClassMethods != nil)
+    {
+		[self stopMocking];
+        [[self class] forgetMockForClass:mockedClass];
+        [replacedClassMethods release];
+    }
+	[super dealloc];
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"OCMockObject[%@]", NSStringFromClass(mockedClass)];
+}
+
+- (Class)mockedClass
+{
+	return mockedClass;
+}
+
+
+#pragma mark  Class method mocking
+
+- (void)setupClassForClassMethodMocking
+{
+    if(replacedClassMethods != nil)
+        return;
+
+    replacedClassMethods = [[NSMutableDictionary alloc] init];
+    [[self class] rememberMock:self forClass:mockedClass];
+    
+	Method myForwardInvocationMethod = class_getInstanceMethod([self class], @selector(forwardInvocationForClassObject:));
+	IMP myForwardInvocationImp = method_getImplementation(myForwardInvocationMethod);
+	const char *forwardInvocationTypes = method_getTypeEncoding(myForwardInvocationMethod);
+	Class metaClass = objc_getMetaClass(class_getName(mockedClass));
+    
+	IMP replacedForwardInvocationImp = class_replaceMethod(metaClass, @selector(forwardInvocation:), myForwardInvocationImp, forwardInvocationTypes);
+    
+	[replacedClassMethods setObject:[NSValue valueWithPointer:replacedForwardInvocationImp] forKey:NSStringFromSelector(@selector(forwardInvocation:))];
+}
+
+- (void)setupForwarderForClassMethodSelector:(SEL)selector
+{
+	Method originalMethod = class_getClassMethod(mockedClass, selector);
+	Class metaClass = objc_getMetaClass(class_getName(mockedClass));
+	
+	IMP forwarderImp = [metaClass instanceMethodForSelector:@selector(aMethodThatMustNotExist)];
+	IMP replacedMethod = class_replaceMethod(metaClass, method_getName(originalMethod), forwarderImp, method_getTypeEncoding(originalMethod));
+    
+	[replacedClassMethods setObject:[NSValue valueWithPointer:replacedMethod] forKey:NSStringFromSelector(selector)];
+}
+
+- (void)removeForwarderForClassMethodSelector:(SEL)selector
+{
+	Class metaClass = objc_getMetaClass(class_getName(mockedClass));
+    NSValue *originalMethodPointer = [replacedClassMethods objectForKey:NSStringFromSelector(selector)];
+	IMP originalMethod = [originalMethodPointer pointerValue];
+	if(originalMethod) {
+		class_replaceMethod(metaClass, selector, originalMethod, 0);
+	} else {
+		IMP forwarderImp = [metaClass instanceMethodForSelector:@selector(aMethodThatMustNotExist)];
+		class_replaceMethod(metaClass, selector, forwarderImp, 0);
+    }
+}
+
+- (void)forwardInvocationForClassObject:(NSInvocation *)anInvocation
+{
+	// in here "self" is a reference to the real class, not the mock
+	OCClassMockObject *mock = [OCClassMockObject existingMockForClass:(Class)self];
+	if([mock handleInvocation:anInvocation] == NO)
+    {
+        // if mock doesn't want to handle the invocation, maybe all expects have occurred, we remove the forwarder and try again
+        [mock removeForwarderForClassMethodSelector:[anInvocation selector]];
+        [anInvocation invoke];
+    }
+}
+
+- (void)stopMocking
+{
+	for(NSString *replacedMethod in replacedClassMethods)
+        [self removeForwarderForClassMethodSelector:NSSelectorFromString(replacedMethod)];
+}
+
+
+#pragma mark  Proxy API
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
+{
+	return [mockedClass instanceMethodSignatureForSelector:aSelector];
+}
+
+- (BOOL)respondsToSelector:(SEL)selector
+{
+    return [mockedClass instancesRespondToSelector:selector];
+}
+
+- (BOOL)isKindOfClass:(Class)aClass
+{
+    return [mockedClass isSubclassOfClass:aClass];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.h
new file mode 100644
index 0000000..47e8232
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.h
@@ -0,0 +1,34 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMArg : NSObject 
+
+// constraining arguments
+
++ (id)any;
++ (void *)anyPointer;
++ (id)isNil;
++ (id)isNotNil;
++ (id)isNotEqual:(id)value;
++ (id)checkWithSelector:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
++ (id)checkWithBlock:(BOOL (^)(id obj))block;
+#endif
+
+// manipulating arguments
+
++ (id *)setTo:(id)value;
++ (void *)setToValue:(NSValue *)value;
+
+// internal use only
+
++ (id)resolveSpecialValues:(NSValue *)value;
+
+@end
+
+#define OCMOCK_ANY [OCMArg any]
+#define OCMOCK_VALUE(variable) [NSValue value:&variable withObjCType:@encode(__typeof__(variable))]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.m
new file mode 100644
index 0000000..00989ff
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMArg.m
@@ -0,0 +1,79 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import <OCMock/OCMArg.h>
+#import <OCMock/OCMConstraint.h>
+#import "OCMPassByRefSetter.h"
+#import "OCMConstraint.h"
+
+@implementation OCMArg
+
++ (id)any
+{
+	return [OCMAnyConstraint constraint];
+}
+
++ (void *)anyPointer
+{
+	return (void *)0x01234567;
+}
+
++ (id)isNil
+{
+	return [OCMIsNilConstraint constraint];
+}
+
++ (id)isNotNil
+{
+	return [OCMIsNotNilConstraint constraint];
+}
+
++ (id)isNotEqual:(id)value
+{
+	OCMIsNotEqualConstraint *constraint = [OCMIsNotEqualConstraint constraint];
+	constraint->testValue = value;
+	return constraint;
+}
+
++ (id)checkWithSelector:(SEL)selector onObject:(id)anObject
+{
+	return [OCMConstraint constraintWithSelector:selector onObject:anObject];
+}
+
+#if NS_BLOCKS_AVAILABLE
+
++ (id)checkWithBlock:(BOOL (^)(id))block 
+{
+	return [[[OCMBlockConstraint alloc] initWithConstraintBlock:block] autorelease];
+}
+
+#endif
+
++ (id *)setTo:(id)value
+{
+	return (id *)[[[OCMPassByRefSetter alloc] initWithValue:value] autorelease];
+}
+
++ (void *)setToValue:(NSValue *)value
+{
+	return (id *)[[[OCMPassByRefSetter alloc] initWithValue:value] autorelease];
+}
+
++ (id)resolveSpecialValues:(NSValue *)value
+{
+	const char *type = [value objCType];
+	if(type[0] == '^')
+	{
+		void *pointer = [value pointerValue];
+		if(pointer == (void *)0x01234567)
+			return [OCMArg any];
+		if((pointer != NULL) && (object_getClass((id)pointer) == [OCMPassByRefSetter class]))
+			return (id)pointer;
+	}
+	return value;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.h
new file mode 100644
index 0000000..652acc3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.h
@@ -0,0 +1,21 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+#if NS_BLOCKS_AVAILABLE
+
+@interface OCMBlockCaller : NSObject 
+{
+	void (^block)(NSInvocation *);
+}
+
+- (id)initWithCallBlock:(void (^)(NSInvocation *))theBlock;
+
+- (void)handleInvocation:(NSInvocation *)anInvocation;
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.m
new file mode 100644
index 0000000..439d885
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBlockCaller.m
@@ -0,0 +1,32 @@
+//---------------------------------------------------------------------------------------
+//	$Id$
+//  Copyright (c) 2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMBlockCaller.h"
+
+#if NS_BLOCKS_AVAILABLE
+
+@implementation OCMBlockCaller
+
+-(id)initWithCallBlock:(void (^)(NSInvocation *))theBlock 
+{
+	self = [super init];
+	block = [theBlock copy];
+	return self;
+}
+
+-(void)dealloc 
+{
+	[block release];
+	[super dealloc];
+}
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	block(anInvocation);
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.h
new file mode 100644
index 0000000..f2d9c91
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.h
@@ -0,0 +1,12 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMReturnValueProvider.h"
+
+@interface OCMBoxedReturnValueProvider : OCMReturnValueProvider 
+{
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.m
new file mode 100644
index 0000000..cdeaa02
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMBoxedReturnValueProvider.m
@@ -0,0 +1,21 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMBoxedReturnValueProvider.h"
+
+
+@implementation OCMBoxedReturnValueProvider
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	if(strcmp([[anInvocation methodSignature] methodReturnType], [(NSValue *)returnValue objCType]) != 0)
+		@throw [NSException exceptionWithName:NSInvalidArgumentException reason:[NSString stringWithFormat:@"Return value does not match method signature; signature declares '%s' but value is '%s'.", [[anInvocation methodSignature] methodReturnType], [(NSValue *)returnValue objCType]] userInfo:nil];
+	void *buffer = malloc([[anInvocation methodSignature] methodReturnLength]);
+	[returnValue getValue:buffer];
+	[anInvocation setReturnValue:buffer];
+	free(buffer);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.h
new file mode 100644
index 0000000..3ae1264
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.h
@@ -0,0 +1,64 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2007-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+
+@interface OCMConstraint : NSObject 
+
++ (id)constraint;
+- (BOOL)evaluate:(id)value;
+
+// if you are looking for any, isNil, etc, they have moved to OCMArg
+
+// try to use [OCMArg checkWith...] instead of the constraintWith... methods below
+
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject;
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject withValue:(id)aValue;
+
+
+@end
+
+@interface OCMAnyConstraint : OCMConstraint
+@end
+
+@interface OCMIsNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotNilConstraint : OCMConstraint
+@end
+
+@interface OCMIsNotEqualConstraint : OCMConstraint
+{
+	@public
+	id testValue;
+}
+
+@end
+
+@interface OCMInvocationConstraint : OCMConstraint
+{
+	@public
+	NSInvocation *invocation;
+}
+
+@end
+
+#if NS_BLOCKS_AVAILABLE
+
+@interface OCMBlockConstraint : OCMConstraint
+{
+	BOOL (^block)(id);
+}
+
+- (id)initWithConstraintBlock:(BOOL (^)(id))block;
+
+@end
+
+#endif
+
+
+#define CONSTRAINT(aSelector) [OCMConstraint constraintWithSelector:aSelector onObject:self]
+#define CONSTRAINTV(aSelector, aValue) [OCMConstraint constraintWithSelector:aSelector onObject:self withValue:(aValue)]
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.m
new file mode 100644
index 0000000..b16a678
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMConstraint.m
@@ -0,0 +1,142 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2007-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMConstraint.h>
+
+
+@implementation OCMConstraint
+
++ (id)constraint
+{
+	return [[[self alloc] init] autorelease];
+}
+
+- (BOOL)evaluate:(id)value
+{
+	return NO;
+}
+
+
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject
+{
+	OCMInvocationConstraint *constraint = [OCMInvocationConstraint constraint];
+	NSMethodSignature *signature = [anObject methodSignatureForSelector:aSelector]; 
+	if(signature == nil)
+		[NSException raise:NSInvalidArgumentException format:@"Unkown selector %@ used in constraint.", NSStringFromSelector(aSelector)];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setTarget:anObject];
+	[invocation setSelector:aSelector];
+	constraint->invocation = invocation;
+	return constraint;
+}
+
++ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject withValue:(id)aValue
+{
+	OCMInvocationConstraint *constraint = [self constraintWithSelector:aSelector onObject:anObject];
+	if([[constraint->invocation methodSignature] numberOfArguments] < 4)
+		[NSException raise:NSInvalidArgumentException format:@"Constraint with value requires selector with two arguments."];
+	[constraint->invocation setArgument:&aValue atIndex:3];
+	return constraint;
+}
+
+
+@end
+
+
+
+#pragma mark  -
+
+@implementation OCMAnyConstraint
+
+- (BOOL)evaluate:(id)value
+{
+	return YES;
+}
+
+@end
+
+
+
+#pragma mark  -
+
+@implementation OCMIsNilConstraint
+
+- (BOOL)evaluate:(id)value
+{
+	return value == nil;
+}
+
+@end
+
+
+
+#pragma mark  -
+
+@implementation OCMIsNotNilConstraint
+
+- (BOOL)evaluate:(id)value
+{
+	return value != nil;
+}
+
+@end
+
+
+
+#pragma mark  -
+
+@implementation OCMIsNotEqualConstraint
+
+- (BOOL)evaluate:(id)value
+{
+	return ![value isEqual:testValue];
+}
+
+@end
+
+
+
+#pragma mark  -
+
+@implementation OCMInvocationConstraint
+
+- (BOOL)evaluate:(id)value
+{
+	[invocation setArgument:&value atIndex:2]; // should test if constraint takes arg
+	[invocation invoke];
+	BOOL returnValue;
+	[invocation getReturnValue:&returnValue];
+	return returnValue;
+}
+
+@end
+
+#pragma mark  -
+
+#if NS_BLOCKS_AVAILABLE
+
+@implementation OCMBlockConstraint
+
+- (id)initWithConstraintBlock:(BOOL (^)(id))aBlock;
+{
+	self = [super init];
+	block = [aBlock copy];
+	return self;
+}
+
+- (void)dealloc {
+    [block release];
+    [super dealloc];
+}
+
+- (BOOL)evaluate:(id)value 
+{
+	return block(value);
+}
+
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.h
new file mode 100644
index 0000000..8e97469
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.h
@@ -0,0 +1,12 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMReturnValueProvider.h"
+
+@interface OCMExceptionReturnValueProvider : OCMReturnValueProvider 
+{
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.m
new file mode 100644
index 0000000..784d1a7
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMExceptionReturnValueProvider.m
@@ -0,0 +1,16 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMExceptionReturnValueProvider.h"
+
+
+@implementation OCMExceptionReturnValueProvider
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	@throw returnValue;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.h
new file mode 100644
index 0000000..4efeacb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.h
@@ -0,0 +1,18 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMIndirectReturnValueProvider : NSObject 
+{
+	id	provider;
+	SEL	selector;
+}
+
+- (id)initWithProvider:(id)aProvider andSelector:(SEL)aSelector;
+
+- (void)handleInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.m
new file mode 100644
index 0000000..c8b734d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMIndirectReturnValueProvider.m
@@ -0,0 +1,33 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSMethodSignature+OCMAdditions.h"
+#import "OCMIndirectReturnValueProvider.h"
+
+
+@implementation OCMIndirectReturnValueProvider
+
+- (id)initWithProvider:(id)aProvider andSelector:(SEL)aSelector
+{
+	self = [super init];
+	provider = [aProvider retain];
+	selector = aSelector;
+	return self;
+}
+
+- (void)dealloc
+{
+	[provider release];
+	[super dealloc];
+}
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	[anInvocation setTarget:provider];
+	[anInvocation setSelector:selector];
+	[anInvocation invoke];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.h
new file mode 100644
index 0000000..817da78
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.h
@@ -0,0 +1,17 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMNotificationPoster : NSObject 
+{
+	NSNotification *notification;
+}
+
+- (id)initWithNotification:(id)aNotification;
+
+- (void)handleInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.m
new file mode 100644
index 0000000..64973a2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMNotificationPoster.m
@@ -0,0 +1,30 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMNotificationPoster.h"
+
+
+@implementation OCMNotificationPoster
+
+- (id)initWithNotification:(id)aNotification
+{
+	self = [super init];
+	notification = [aNotification retain];
+	return self;
+}
+
+- (void)dealloc
+{
+	[notification release];
+	[super dealloc];
+}
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	[[NSNotificationCenter defaultCenter] postNotification:notification];
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.h
new file mode 100644
index 0000000..556da3c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.h
@@ -0,0 +1,19 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMObserverRecorder : NSObject 
+{
+	NSNotification *recordedNotification;
+}
+
+- (void)notificationWithName:(NSString *)name object:(id)sender;
+
+- (BOOL)matchesNotification:(NSNotification *)aNotification;
+
+- (BOOL)argument:(id)expectedArg matchesArgument:(id)observedArg;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.m
new file mode 100644
index 0000000..e50be50
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMObserverRecorder.m
@@ -0,0 +1,75 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import <OCMock/OCMConstraint.h>
+#import "NSInvocation+OCMAdditions.h"
+#import "OCMObserverRecorder.h"
+
+@interface NSObject(HCMatcherDummy)
+- (BOOL)matches:(id)item;
+@end
+
+#pragma mark -
+
+
+@implementation OCMObserverRecorder
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (void)dealloc
+{
+	[recordedNotification release];
+	[super dealloc];
+}
+
+
+#pragma mark  Recording
+
+- (void)notificationWithName:(NSString *)name object:(id)sender
+{
+	recordedNotification = [[NSNotification notificationWithName:name object:sender] retain];
+}
+
+- (void)notificationWithName:(NSString *)name object:(id)sender userInfo:(NSDictionary *)userInfo
+{
+	recordedNotification = [[NSNotification notificationWithName:name object:sender userInfo:userInfo] retain];
+}
+
+
+#pragma mark  Verification
+
+- (BOOL)matchesNotification:(NSNotification *)aNotification
+{
+	return [self argument:[recordedNotification name] matchesArgument:[aNotification name]] &&
+	[self argument:[recordedNotification object] matchesArgument:[aNotification object]] &&
+	[self argument:[recordedNotification userInfo] matchesArgument:[aNotification userInfo]];
+}
+
+- (BOOL)argument:(id)expectedArg matchesArgument:(id)observedArg
+{
+	if([expectedArg isKindOfClass:[OCMConstraint class]])
+	{	
+		if([expectedArg evaluate:observedArg] == NO)
+			return NO;
+	}
+	else if([expectedArg conformsToProtocol:objc_getProtocol("HCMatcher")])
+	{
+		if([expectedArg matches:observedArg] == NO)
+			return NO;
+	}
+	else
+	{
+		if([expectedArg class] != [observedArg class])
+			return NO;
+		if(([expectedArg isEqual:observedArg] == NO) &&
+		   !((expectedArg == nil) && (observedArg == nil)))
+			return NO;
+	}
+	return YES;
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.h
new file mode 100644
index 0000000..12b99e3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.h
@@ -0,0 +1,17 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMPassByRefSetter : NSObject 
+{
+	id value;
+}
+
+- (id)initWithValue:(id)value;
+
+- (id)value;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.m
new file mode 100644
index 0000000..919b81a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMPassByRefSetter.m
@@ -0,0 +1,29 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMPassByRefSetter.h"
+
+
+@implementation OCMPassByRefSetter
+
+- (id)initWithValue:(id)aValue
+{
+	self = [super init];
+	value = [aValue retain];
+	return self;
+}
+
+- (void)dealloc
+{
+	[value release];
+	[super dealloc];
+}
+
+- (id)value
+{
+	return value;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.h
new file mode 100644
index 0000000..9357a42
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.h
@@ -0,0 +1,14 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMRealObjectForwarder : NSObject 
+{
+}
+
+- (void)handleInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.m
new file mode 100644
index 0000000..7c0a7db
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMRealObjectForwarder.m
@@ -0,0 +1,29 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import "OCPartialMockObject.h"
+#import "OCMRealObjectForwarder.h"
+
+
+@implementation OCMRealObjectForwarder
+
+- (void)handleInvocation:(NSInvocation *)anInvocation 
+{
+	id invocationTarget = [anInvocation target];
+	SEL invocationSelector = [anInvocation selector];
+	SEL aliasedSelector = NSSelectorFromString([OCMRealMethodAliasPrefix stringByAppendingString:NSStringFromSelector(invocationSelector)]);
+	
+	[anInvocation setSelector:aliasedSelector];
+	if([invocationTarget isProxy] && (class_getInstanceMethod([invocationTarget class], @selector(realObject)))) 
+	{
+		// the method has been invoked on the mock, we need to change the target to the real object
+		[anInvocation setTarget:[(OCPartialMockObject *)invocationTarget realObject]];
+	} 
+	[anInvocation invoke];
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.h
new file mode 100644
index 0000000..3566c6d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.h
@@ -0,0 +1,17 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMReturnValueProvider : NSObject 
+{
+	id	returnValue;
+}
+
+- (id)initWithValue:(id)aValue;
+
+- (void)handleInvocation:(NSInvocation *)anInvocation;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.m
new file mode 100644
index 0000000..7bc9072
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMReturnValueProvider.m
@@ -0,0 +1,47 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSMethodSignature+OCMAdditions.h"
+#import "OCMReturnValueProvider.h"
+
+
+@implementation OCMReturnValueProvider
+
+- (id)initWithValue:(id)aValue
+{
+	self = [super init];
+	returnValue = [aValue retain];
+	return self;
+}
+
+- (void)dealloc
+{
+	[returnValue release];
+	[super dealloc];
+}
+
+- (void)handleInvocation:(NSInvocation *)anInvocation
+{
+	const char *returnType = [[anInvocation methodSignature] methodReturnTypeWithoutQualifiers];
+	if(strcmp(returnType, @encode(id)) != 0) {
+        // if the returnType is a typedef to an object, it has the form ^{OriginalClass=#}
+        NSString *regexString = @"^\\^\\{(.*)=#\\}";
+        NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regexString options:0 error:NULL];
+        NSString *type = [NSString stringWithCString:returnType encoding:NSASCIIStringEncoding];
+        if([regex numberOfMatchesInString:type options:0 range:NSMakeRange(0, type.length)] == 0)
+        {
+            @throw [NSException exceptionWithName:NSInvalidArgumentException reason:@"Expected invocation with object return type. Did you mean to use andReturnValue: instead?" userInfo:nil];
+        }
+    }
+    NSString *sel = NSStringFromSelector([anInvocation selector]);
+    if([sel hasPrefix:@"alloc"] || [sel hasPrefix:@"new"] || [sel hasPrefix:@"copy"] || [sel hasPrefix:@"mutableCopy"])
+    {
+        // methods that "create" an object return it with an extra retain count
+        [returnValue retain];
+    }
+	[anInvocation setReturnValue:&returnValue];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Info.plist
new file mode 100644
index 0000000..2af77ec
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Info.plist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.mulle-kybernetik.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2004-2013 Mulle Kybernetik.</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Prefix.pch
new file mode 100644
index 0000000..9f3ef37
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'OCMock' target in the 'OCMock' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock.h
new file mode 100644
index 0000000..e18de58
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMock.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+#import <OCMock/OCMockRecorder.h>
+#import <OCMock/OCMConstraint.h>
+#import <OCMock/OCMArg.h>
+#import <OCMock/NSNotificationCenter+OCMAdditions.h>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.h
new file mode 100644
index 0000000..e796705
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.h
@@ -0,0 +1,46 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockObject : NSProxy
+{
+	BOOL			isNice;
+	BOOL			expectationOrderMatters;
+	NSMutableArray	*recorders;
+	NSMutableArray	*expectations;
+	NSMutableArray	*rejections;
+	NSMutableArray	*exceptions;
+}
+
++ (id)mockForClass:(Class)aClass;
++ (id)mockForProtocol:(Protocol *)aProtocol;
++ (id)partialMockForObject:(NSObject *)anObject;
+
++ (id)niceMockForClass:(Class)aClass;
++ (id)niceMockForProtocol:(Protocol *)aProtocol;
+
++ (id)observerMock;
+
+- (id)init;
+
+- (void)setExpectationOrderMatters:(BOOL)flag;
+
+- (id)stub;
+- (id)expect;
+- (id)reject;
+
+- (void)verify;
+
+- (void)stopMocking;
+
+// internal use only
+
+- (id)getNewRecorder;
+- (BOOL)handleInvocation:(NSInvocation *)anInvocation;
+- (void)handleUnRecordedInvocation:(NSInvocation *)anInvocation;
+- (BOOL)handleSelector:(SEL)sel;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.m
new file mode 100644
index 0000000..2a4c796
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockObject.m
@@ -0,0 +1,269 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+#import "OCClassMockObject.h"
+#import "OCProtocolMockObject.h"
+#import "OCPartialMockObject.h"
+#import "OCObserverMockObject.h"
+#import <OCMock/OCMockRecorder.h>
+#import "NSInvocation+OCMAdditions.h"
+
+@interface OCMockObject(Private)
++ (id)_makeNice:(OCMockObject *)mock;
+- (NSString *)_recorderDescriptions:(BOOL)onlyExpectations;
+@end
+
+#pragma mark  -
+
+
+@implementation OCMockObject
+
+#pragma mark  Class initialisation
+
++ (void)initialize
+{
+	if([[NSInvocation class] instanceMethodSignatureForSelector:@selector(getArgumentAtIndexAsObject:)] == NULL)
+		[NSException raise:NSInternalInconsistencyException format:@"** Expected method not present; the method getArgumentAtIndexAsObject: is not implemented by NSInvocation. If you see this exception it is likely that you are using the static library version of OCMock and your project is not configured correctly to load categories from static libraries. Did you forget to add the -force_load linker flag?"];
+}
+
+
+#pragma mark  Factory methods
+
++ (id)mockForClass:(Class)aClass
+{
+	return [[[OCClassMockObject alloc] initWithClass:aClass] autorelease];
+}
+
++ (id)mockForProtocol:(Protocol *)aProtocol
+{
+	return [[[OCProtocolMockObject alloc] initWithProtocol:aProtocol] autorelease];
+}
+
++ (id)partialMockForObject:(NSObject *)anObject
+{
+	return [[[OCPartialMockObject alloc] initWithObject:anObject] autorelease];
+}
+
+
++ (id)niceMockForClass:(Class)aClass
+{
+	return [self _makeNice:[self mockForClass:aClass]];
+}
+
++ (id)niceMockForProtocol:(Protocol *)aProtocol
+{
+	return [self _makeNice:[self mockForProtocol:aProtocol]];
+}
+
+
++ (id)_makeNice:(OCMockObject *)mock
+{
+	mock->isNice = YES;
+	return mock;
+}
+
+
++ (id)observerMock
+{
+	return [[[OCObserverMockObject alloc] init] autorelease];
+}
+
+
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)init
+{
+	// no [super init], we're inheriting from NSProxy
+	expectationOrderMatters = NO;
+	recorders = [[NSMutableArray alloc] init];
+	expectations = [[NSMutableArray alloc] init];
+	rejections = [[NSMutableArray alloc] init];
+	exceptions = [[NSMutableArray alloc] init];
+	return self;
+}
+
+- (void)dealloc
+{
+	[recorders release];
+	[expectations release];
+	[rejections	release];
+	[exceptions release];
+	[super dealloc];
+}
+
+- (NSString *)description
+{
+	return @"OCMockObject";
+}
+
+
+- (void)setExpectationOrderMatters:(BOOL)flag
+{
+    expectationOrderMatters = flag;
+}
+
+
+#pragma mark  Public API
+
+- (id)stub
+{
+	OCMockRecorder *recorder = [self getNewRecorder];
+	[recorders addObject:recorder];
+	return recorder;
+}
+
+
+- (id)expect
+{
+	OCMockRecorder *recorder = [self stub];
+	[expectations addObject:recorder];
+	return recorder;
+}
+
+
+- (id)reject
+{
+	OCMockRecorder *recorder = [self stub];
+	[rejections addObject:recorder];
+	return recorder;
+}
+
+
+- (void)verify
+{
+	if([expectations count] == 1)
+	{
+		[NSException raise:NSInternalInconsistencyException format:@"%@: expected method was not invoked: %@", 
+			[self description], [[expectations objectAtIndex:0] description]];
+	}
+	if([expectations count] > 0)
+	{
+		[NSException raise:NSInternalInconsistencyException format:@"%@ : %@ expected methods were not invoked: %@", 
+			[self description], @([expectations count]), [self _recorderDescriptions:YES]];
+	}
+	if([exceptions count] > 0)
+	{
+		[[exceptions objectAtIndex:0] raise];
+	}
+}
+
+- (void)stopMocking
+{
+    // no-op for mock objects that are not class object or partial mocks
+}
+
+
+#pragma mark  Handling invocations
+
+- (BOOL)handleSelector:(SEL)sel
+{
+    for (OCMockRecorder *recorder in recorders)
+        if ([recorder matchesSelector:sel])
+            return YES;
+
+    return NO;
+}
+
+- (void)forwardInvocation:(NSInvocation *)anInvocation
+{
+	if([self handleInvocation:anInvocation] == NO)
+		[self handleUnRecordedInvocation:anInvocation];
+}
+
+- (BOOL)handleInvocation:(NSInvocation *)anInvocation
+{
+	OCMockRecorder *recorder = nil;
+	unsigned int			   i;
+	
+	for(i = 0; i < [recorders count]; i++)
+	{
+		recorder = [recorders objectAtIndex:i];
+		if([recorder matchesInvocation:anInvocation])
+			break;
+	}
+	
+	if(i == [recorders count])
+		return NO;
+	
+	if([rejections containsObject:recorder]) 
+	{
+		NSException *exception = [NSException exceptionWithName:NSInternalInconsistencyException reason:
+								  [NSString stringWithFormat:@"%@: explicitly disallowed method invoked: %@", [self description], 
+								   [anInvocation invocationDescription]] userInfo:nil];
+		[exceptions addObject:exception];
+		[exception raise];
+	}
+
+	if([expectations containsObject:recorder])
+	{
+		if(expectationOrderMatters && ([expectations objectAtIndex:0] != recorder))
+		{
+			[NSException raise:NSInternalInconsistencyException	format:@"%@: unexpected method invoked: %@\n\texpected:\t%@",  
+			 [self description], [recorder description], [[expectations objectAtIndex:0] description]];
+			
+		}
+		[[recorder retain] autorelease];
+		[expectations removeObject:recorder];
+		[recorders removeObjectAtIndex:i];
+	}
+	[[recorder invocationHandlers] makeObjectsPerformSelector:@selector(handleInvocation:) withObject:anInvocation];
+	
+	return YES;
+}
+
+- (void)handleUnRecordedInvocation:(NSInvocation *)anInvocation
+{
+	if(isNice == NO)
+	{
+		NSException *exception = [NSException exceptionWithName:NSInternalInconsistencyException reason:
+								  [NSString stringWithFormat:@"%@: unexpected method invoked: %@ %@",  [self description], 
+								   [anInvocation invocationDescription], [self _recorderDescriptions:NO]] userInfo:nil];
+		[exceptions addObject:exception];
+		[exception raise];
+	}
+}
+
+
+#pragma mark  Helper methods
+
+- (id)getNewRecorder
+{
+	return [[[OCMockRecorder alloc] initWithSignatureResolver:self] autorelease];
+}
+
+
+- (NSString *)_recorderDescriptions:(BOOL)onlyExpectations
+{
+	NSMutableString *outputString = [NSMutableString string];
+	
+	OCMockRecorder *currentObject;
+	NSEnumerator *recorderEnumerator = [recorders objectEnumerator];
+	while((currentObject = [recorderEnumerator nextObject]) != nil)
+	{
+		NSString *prefix;
+		
+		if(onlyExpectations)
+		{
+			if(![expectations containsObject:currentObject])
+				continue;
+			prefix = @" ";
+		}
+		else
+		{
+			if ([expectations containsObject:currentObject])
+				prefix = @"expected: ";
+			else
+				prefix = @"stubbed: ";
+		}
+		[outputString appendFormat:@"\n\t%@\t%@", prefix, [currentObject description]];
+	}
+	
+	return outputString;
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.h
new file mode 100644
index 0000000..1b6e2dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.h
@@ -0,0 +1,36 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCMockRecorder : NSProxy 
+{
+	id				signatureResolver;
+    BOOL            recordedAsClassMethod;
+	NSInvocation	*recordedInvocation;
+	NSMutableArray	*invocationHandlers;
+}
+
+- (id)initWithSignatureResolver:(id)anObject;
+
+- (BOOL)matchesSelector:(SEL)sel;
+- (BOOL)matchesInvocation:(NSInvocation *)anInvocation;
+- (void)releaseInvocation;
+
+- (id)andReturn:(id)anObject;
+- (id)andReturnValue:(NSValue *)aValue;
+- (id)andThrow:(NSException *)anException;
+- (id)andPost:(NSNotification *)aNotification;
+- (id)andCall:(SEL)selector onObject:(id)anObject;
+#if NS_BLOCKS_AVAILABLE
+- (id)andDo:(void (^)(NSInvocation *))block; 
+#endif
+- (id)andForwardToRealObject;
+
+- (id)classMethod;
+
+- (NSArray *)invocationHandlers;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.m
new file mode 100644
index 0000000..89ab150
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCMockRecorder.m
@@ -0,0 +1,229 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import <OCMock/OCMockRecorder.h>
+#import <OCMock/OCMArg.h>
+#import <OCMock/OCMConstraint.h>
+#import "OCClassMockObject.h"
+#import "OCMPassByRefSetter.h"
+#import "OCMReturnValueProvider.h"
+#import "OCMBoxedReturnValueProvider.h"
+#import "OCMExceptionReturnValueProvider.h"
+#import "OCMIndirectReturnValueProvider.h"
+#import "OCMNotificationPoster.h"
+#import "OCMBlockCaller.h"
+#import "NSInvocation+OCMAdditions.h"
+
+@interface NSObject(HCMatcherDummy)
+- (BOOL)matches:(id)item;
+@end
+
+#pragma mark  -
+
+
+@implementation OCMockRecorder
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)initWithSignatureResolver:(id)anObject
+{
+	signatureResolver = anObject;
+	invocationHandlers = [[NSMutableArray alloc] init];
+	return self;
+}
+
+- (void)dealloc
+{
+	[recordedInvocation release];
+	[invocationHandlers release];
+	[super dealloc];
+}
+
+- (NSString *)description
+{
+	return [recordedInvocation invocationDescription];
+}
+
+- (void)releaseInvocation
+{
+	[recordedInvocation release];
+	recordedInvocation = nil;
+}
+
+
+#pragma mark  Recording invocation handlers
+
+- (id)andReturn:(id)anObject
+{
+	[invocationHandlers addObject:[[[OCMReturnValueProvider alloc] initWithValue:anObject] autorelease]];
+	return self;
+}
+
+- (id)andReturnValue:(NSValue *)aValue
+{
+	[invocationHandlers addObject:[[[OCMBoxedReturnValueProvider alloc] initWithValue:aValue] autorelease]];
+	return self;
+}
+
+- (id)andThrow:(NSException *)anException
+{
+	[invocationHandlers addObject:[[[OCMExceptionReturnValueProvider alloc] initWithValue:anException] autorelease]];
+	return self;
+}
+
+- (id)andPost:(NSNotification *)aNotification
+{
+	[invocationHandlers addObject:[[[OCMNotificationPoster alloc] initWithNotification:aNotification] autorelease]];
+	return self;
+}
+
+- (id)andCall:(SEL)selector onObject:(id)anObject
+{
+	[invocationHandlers addObject:[[[OCMIndirectReturnValueProvider alloc] initWithProvider:anObject andSelector:selector] autorelease]];
+	return self;
+}
+
+#if NS_BLOCKS_AVAILABLE
+
+- (id)andDo:(void (^)(NSInvocation *))aBlock 
+{
+	[invocationHandlers addObject:[[[OCMBlockCaller alloc] initWithCallBlock:aBlock] autorelease]];
+	return self;
+}
+
+#endif
+
+- (id)andForwardToRealObject
+{
+	[NSException raise:NSInternalInconsistencyException format:@"Method %@ can only be used with partial mocks.",
+	 NSStringFromSelector(_cmd)];
+	return self; // keep compiler happy
+}
+
+
+- (NSArray *)invocationHandlers
+{
+	return invocationHandlers;
+}
+
+
+#pragma mark  Switching to class methods
+
+- (id)classMethod
+{
+    recordedAsClassMethod = YES;
+    [signatureResolver setupClassForClassMethodMocking];
+    return self;
+}
+
+
+#pragma mark  Recording the actual invocation
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
+{
+    if(recordedAsClassMethod)
+        return [[signatureResolver mockedClass] methodSignatureForSelector:aSelector];
+    
+    NSMethodSignature *signature = [signatureResolver methodSignatureForSelector:aSelector];
+    if(signature == nil)
+    {
+        // if we're a working with a class mock and there is a class method, auto-switch
+        if(([[signatureResolver class] isSubclassOfClass:[OCClassMockObject class]]) &&
+           ([[signatureResolver mockedClass] respondsToSelector:aSelector]))
+        {
+            [self classMethod];
+            signature = [self methodSignatureForSelector:aSelector];
+        }
+    }
+    return signature;
+}
+
+- (void)forwardInvocation:(NSInvocation *)anInvocation
+{
+    if(recordedAsClassMethod)
+        [signatureResolver setupForwarderForClassMethodSelector:[anInvocation selector]];
+	if(recordedInvocation != nil)
+		[NSException raise:NSInternalInconsistencyException format:@"Recorder received two methods to record."];
+	[anInvocation setTarget:nil];
+	[anInvocation retainArguments];
+	recordedInvocation = [anInvocation retain];
+}
+
+
+
+#pragma mark  Checking the invocation
+
+- (BOOL)matchesSelector:(SEL)sel
+{
+    return (sel == [recordedInvocation selector]);
+}
+
+- (BOOL)matchesInvocation:(NSInvocation *)anInvocation
+{
+	id      target, recordedArg, passedArg;
+	int     i, n;
+    BOOL    isClassMethodInvocation;
+	
+    target = [anInvocation target];
+    isClassMethodInvocation = (target != nil) && (target == [target class]);
+    if(isClassMethodInvocation != recordedAsClassMethod)
+        return NO;
+    
+	if([anInvocation selector] != [recordedInvocation selector])
+		return NO;
+	
+	n = (int)[[recordedInvocation methodSignature] numberOfArguments];
+	for(i = 2; i < n; i++)
+	{
+		recordedArg = [recordedInvocation getArgumentAtIndexAsObject:i];
+		passedArg = [anInvocation getArgumentAtIndexAsObject:i];
+
+		if([recordedArg isProxy])
+		{
+			if(![recordedArg isEqual:passedArg])
+				return NO;
+			continue;
+		}
+		
+		if([recordedArg isKindOfClass:[NSValue class]])
+			recordedArg = [OCMArg resolveSpecialValues:recordedArg];
+		
+		if([recordedArg isKindOfClass:[OCMConstraint class]])
+		{	
+			if([recordedArg evaluate:passedArg] == NO)
+				return NO;
+		}
+		else if([recordedArg isKindOfClass:[OCMPassByRefSetter class]])
+		{
+            id valueToSet = [(OCMPassByRefSetter *)recordedArg value];
+			// side effect but easier to do here than in handleInvocation
+            if(![valueToSet isKindOfClass:[NSValue class]])
+                *(id *)[passedArg pointerValue] = valueToSet;
+            else
+                [(NSValue *)valueToSet getValue:[passedArg pointerValue]];
+		}
+		else if([recordedArg conformsToProtocol:objc_getProtocol("HCMatcher")])
+		{
+			if([recordedArg matches:passedArg] == NO)
+				return NO;
+		}
+		else
+		{
+			if(([recordedArg class] == [NSNumber class]) && 
+				([(NSNumber*)recordedArg compare:(NSNumber*)passedArg] != NSOrderedSame))
+				return NO;
+			if(([recordedArg isEqual:passedArg] == NO) &&
+				!((recordedArg == nil) && (passedArg == nil)))
+				return NO;
+		}
+	}
+	return YES;
+}
+
+
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.h
new file mode 100644
index 0000000..908ad2f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.h
@@ -0,0 +1,22 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <Foundation/Foundation.h>
+
+@interface OCObserverMockObject : NSObject 
+{
+	BOOL			expectationOrderMatters;
+	NSMutableArray	*recorders;
+}
+
+- (void)setExpectationOrderMatters:(BOOL)flag;
+
+- (id)expect;
+
+- (void)verify;
+
+- (void)handleNotification:(NSNotification *)aNotification;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.m
new file mode 100644
index 0000000..d16f18d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCObserverMockObject.m
@@ -0,0 +1,83 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCObserverMockObject.h"
+#import "OCMObserverRecorder.h"
+
+
+@implementation OCObserverMockObject
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)init
+{
+	self = [super init];
+	recorders = [[NSMutableArray alloc] init];
+	return self;
+}
+
+- (void)dealloc
+{
+	[recorders release];
+	[super dealloc];
+}
+
+- (NSString *)description
+{
+	return @"OCMockObserver";
+}
+
+- (void)setExpectationOrderMatters:(BOOL)flag
+{
+    expectationOrderMatters = flag;
+}
+
+
+#pragma mark  Public API
+
+- (id)expect
+{
+	OCMObserverRecorder *recorder = [[[OCMObserverRecorder alloc] init] autorelease];
+	[recorders addObject:recorder];
+	return recorder;
+}
+
+- (void)verify
+{
+	if([recorders count] == 1)
+	{
+		[NSException raise:NSInternalInconsistencyException format:@"%@: expected notification was not observed: %@", 
+		 [self description], [[recorders lastObject] description]];
+	}
+	if([recorders count] > 0)
+	{
+		[NSException raise:NSInternalInconsistencyException format:@"%@ : %@ expected notifications were not observed.", 
+		 [self description], @([recorders count])];
+	}
+}
+
+
+
+#pragma mark  Receiving notifications
+
+- (void)handleNotification:(NSNotification *)aNotification
+{
+	NSUInteger i, limit;
+	
+	limit = expectationOrderMatters ? 1 : [recorders count];
+	for(i = 0; i < limit; i++)
+	{
+		if([[recorders objectAtIndex:i] matchesNotification:aNotification])
+		{
+			[recorders removeObjectAtIndex:i];
+			return;
+		}
+	}
+	[NSException raise:NSInternalInconsistencyException format:@"%@: unexpected notification observed: %@", [self description], 
+	  [aNotification description]];
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.h
new file mode 100644
index 0000000..d932d28
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.h
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCClassMockObject.h"
+
+@interface OCPartialMockObject : OCClassMockObject 
+{
+	NSObject	*realObject;
+}
+
+- (id)initWithObject:(NSObject *)anObject;
+
+- (NSObject *)realObject;
+
+- (void)stopMocking;
+
+- (void)setupSubclassForObject:(id)anObject;
+- (void)setupForwarderForSelector:(SEL)selector;
+
+@end
+
+
+extern NSString *OCMRealMethodAliasPrefix;
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.m
new file mode 100644
index 0000000..7a678b6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockObject.m
@@ -0,0 +1,190 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import "OCPartialMockRecorder.h"
+#import "OCPartialMockObject.h"
+
+
+@interface OCPartialMockObject (Private)
+- (void)forwardInvocationForRealObject:(NSInvocation *)anInvocation;
+@end 
+
+
+NSString *OCMRealMethodAliasPrefix = @"ocmock_replaced_";
+
+@implementation OCPartialMockObject
+
+
+#pragma mark  Mock table
+
+static NSMutableDictionary *mockTable;
+
++ (void)initialize
+{
+	if(self == [OCPartialMockObject class])
+		mockTable = [[NSMutableDictionary alloc] init];
+}
+
++ (void)rememberPartialMock:(OCPartialMockObject *)mock forObject:(id)anObject
+{
+    @synchronized(mockTable)
+    {
+        [mockTable setObject:[NSValue valueWithNonretainedObject:mock] forKey:[NSValue valueWithNonretainedObject:anObject]];
+    }
+}
+
++ (void)forgetPartialMockForObject:(id)anObject
+{
+    @synchronized(mockTable)
+    {
+        [mockTable removeObjectForKey:[NSValue valueWithNonretainedObject:anObject]];
+    }
+}
+
++ (OCPartialMockObject *)existingPartialMockForObject:(id)anObject
+{
+    @synchronized(mockTable)
+    {
+        OCPartialMockObject *mock = [[mockTable objectForKey:[NSValue valueWithNonretainedObject:anObject]] nonretainedObjectValue];
+        if(mock == nil)
+            [NSException raise:NSInternalInconsistencyException format:@"No partial mock for object %p", anObject];
+        return mock;
+    }
+}
+
+
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)initWithObject:(NSObject *)anObject
+{
+	[super initWithClass:[anObject class]];
+	realObject = [anObject retain];
+	[[self class] rememberPartialMock:self forObject:anObject];
+	[self setupSubclassForObject:realObject];
+	return self;
+}
+
+- (void)dealloc
+{
+	if(realObject != nil)
+		[self stopMocking];
+	[super dealloc];
+}
+
+- (NSString *)description
+{
+	return [NSString stringWithFormat:@"OCPartialMockObject[%@]", NSStringFromClass(mockedClass)];
+}
+
+- (NSObject *)realObject
+{
+	return realObject;
+}
+
+- (void)stopMocking
+{
+	object_setClass(realObject, [self mockedClass]);
+	[realObject release];
+	[[self class] forgetPartialMockForObject:realObject];
+	realObject = nil;
+}
+
+
+#pragma mark  Subclass management
+
+- (void)setupSubclassForObject:(id)anObject
+{
+	Class realClass = [anObject class];
+	double timestamp = [NSDate timeIntervalSinceReferenceDate];
+	const char *className = [[NSString stringWithFormat:@"%@-%p-%f", realClass, anObject, timestamp] UTF8String];
+	Class subclass = objc_allocateClassPair(realClass, className, 0);
+	objc_registerClassPair(subclass);
+	object_setClass(anObject, subclass);
+
+	Method myForwardInvocationMethod = class_getInstanceMethod([self class], @selector(forwardInvocationForRealObject:));
+	IMP myForwardInvocationImp = method_getImplementation(myForwardInvocationMethod);
+	const char *forwardInvocationTypes = method_getTypeEncoding(myForwardInvocationMethod);
+	class_addMethod(subclass, @selector(forwardInvocation:), myForwardInvocationImp, forwardInvocationTypes);
+
+
+    Method myForwardingTargetForSelectorMethod = class_getInstanceMethod([self class], @selector(forwardingTargetForSelectorForRealObject:));
+    IMP myForwardingTargetForSelectorImp = method_getImplementation(myForwardingTargetForSelectorMethod);
+    const char *forwardingTargetForSelectorTypes = method_getTypeEncoding(myForwardingTargetForSelectorMethod);
+
+    IMP originalForwardingTargetForSelectorImp = [realClass instanceMethodForSelector:@selector(forwardingTargetForSelector:)];
+
+    class_addMethod(subclass, @selector(forwardingTargetForSelector:), myForwardingTargetForSelectorImp, forwardingTargetForSelectorTypes);
+    class_addMethod(subclass, @selector(forwardingTargetForSelector_Original:), originalForwardingTargetForSelectorImp, forwardingTargetForSelectorTypes);
+}
+
+- (void)setupForwarderForSelector:(SEL)selector
+{
+	Class subclass = [[self realObject] class];
+	Method originalMethod = class_getInstanceMethod([subclass superclass], selector);
+	IMP originalImp = method_getImplementation(originalMethod);
+
+	IMP forwarderImp = [subclass instanceMethodForSelector:@selector(aMethodThatMustNotExist)];
+	class_addMethod(subclass, method_getName(originalMethod), forwarderImp, method_getTypeEncoding(originalMethod));
+
+	SEL aliasSelector = NSSelectorFromString([OCMRealMethodAliasPrefix stringByAppendingString:NSStringFromSelector(selector)]);
+	class_addMethod(subclass, aliasSelector, originalImp, method_getTypeEncoding(originalMethod));
+}
+
+- (void)removeForwarderForSelector:(SEL)selector
+{
+    Class subclass = [[self realObject] class];
+    SEL aliasSelector = NSSelectorFromString([OCMRealMethodAliasPrefix stringByAppendingString:NSStringFromSelector(selector)]);
+    Method originalMethod = class_getInstanceMethod([subclass superclass], aliasSelector);
+  	IMP originalImp = method_getImplementation(originalMethod);
+    class_replaceMethod(subclass, selector, originalImp, method_getTypeEncoding(originalMethod));
+}
+
+//  Make the compiler happy in -forwardingTargetForSelectorForRealObject: because it can't find the message…
+- (id)forwardingTargetForSelector_Original:(SEL)sel
+{
+    return nil;
+}
+
+- (id)forwardingTargetForSelectorForRealObject:(SEL)sel
+{
+	// in here "self" is a reference to the real object, not the mock
+    OCPartialMockObject *mock = [OCPartialMockObject existingPartialMockForObject:self];
+    if ([mock handleSelector:sel])
+        return self;
+
+    return [self forwardingTargetForSelector_Original:sel];
+}
+
+- (void)forwardInvocationForRealObject:(NSInvocation *)anInvocation
+{
+	// in here "self" is a reference to the real object, not the mock
+	OCPartialMockObject *mock = [OCPartialMockObject existingPartialMockForObject:self];
+	if([mock handleInvocation:anInvocation] == NO)
+    {
+        // if mock doesn't want to handle the invocation, maybe all expects have occurred, we forward to real object
+        SEL aliasSelector = NSSelectorFromString([OCMRealMethodAliasPrefix stringByAppendingString:NSStringFromSelector([anInvocation selector])]);
+        [anInvocation setSelector:aliasSelector];
+        [anInvocation invoke];
+    }
+}
+
+
+
+#pragma mark  Overrides
+
+- (id)getNewRecorder
+{
+	return [[[OCPartialMockRecorder alloc] initWithSignatureResolver:self] autorelease];
+}
+
+- (void)handleUnRecordedInvocation:(NSInvocation *)anInvocation
+{
+	[anInvocation invokeWithTarget:realObject];
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.h
new file mode 100644
index 0000000..95ce4e6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.h
@@ -0,0 +1,12 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMockRecorder.h"
+
+@interface OCPartialMockRecorder : OCMockRecorder 
+{
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.m
new file mode 100644
index 0000000..f40cb7c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCPartialMockRecorder.m
@@ -0,0 +1,27 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCPartialMockObject.h"
+#import "OCMRealObjectForwarder.h"
+#import "OCPartialMockRecorder.h"
+
+
+@implementation OCPartialMockRecorder
+
+- (id)andForwardToRealObject
+{
+	[invocationHandlers addObject:[[[OCMRealObjectForwarder	alloc] init] autorelease]];
+	return self;
+}
+
+
+- (void)forwardInvocation:(NSInvocation *)anInvocation
+{
+	[super forwardInvocation:anInvocation];
+	// not as clean as I'd wish...
+	[(OCPartialMockObject *)signatureResolver setupForwarderForSelector:[anInvocation selector]];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.h
new file mode 100644
index 0000000..88f3229
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.h
@@ -0,0 +1,16 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2005-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMockObject.h>
+
+@interface OCProtocolMockObject : OCMockObject 
+{
+	Protocol	*mockedProtocol;
+}
+
+- (id)initWithProtocol:(Protocol *)aProtocol;
+
+@end
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.m
new file mode 100644
index 0000000..19e25e8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/OCProtocolMockObject.m
@@ -0,0 +1,53 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2005-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <objc/runtime.h>
+#import "NSMethodSignature+OCMAdditions.h"
+#import "OCProtocolMockObject.h"
+
+@implementation OCProtocolMockObject
+
+#pragma mark  Initialisers, description, accessors, etc.
+
+- (id)initWithProtocol:(Protocol *)aProtocol
+{
+	[super init];
+	mockedProtocol = aProtocol;
+	return self;
+}
+
+- (NSString *)description
+{
+    const char* name = protocol_getName(mockedProtocol);
+    return [NSString stringWithFormat:@"OCMockObject[%s]", name];
+}
+
+#pragma mark  Proxy API
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector
+{
+	struct objc_method_description methodDescription = protocol_getMethodDescription(mockedProtocol, aSelector, YES, YES);
+    if(methodDescription.name == NULL) 
+	{
+        methodDescription = protocol_getMethodDescription(mockedProtocol, aSelector, NO, YES);
+    }
+    if(methodDescription.name == NULL) 
+	{
+        return nil;
+    }
+	return [NSMethodSignature signatureWithObjCTypes:methodDescription.types];
+}
+
+- (BOOL)conformsToProtocol:(Protocol *)aProtocol
+{
+    return protocol_conformsToProtocol(mockedProtocol, aProtocol);
+}
+
+- (BOOL)respondsToSelector:(SEL)selector
+{
+    return ([self methodSignatureForSelector:selector] != nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMock/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockLib/OCMockLib-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockLib/OCMockLib-Prefix.pch
new file mode 100644
index 0000000..d88e7f0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockLib/OCMockLib-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'OCMockLib' target in the 'OCMockLib' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.h
new file mode 100644
index 0000000..81ba903
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.h
@@ -0,0 +1,12 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2006-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface NSInvocationOCMAdditionsTests : SenTestCase 
+{
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.m
new file mode 100644
index 0000000..95b883d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/NSInvocationOCMAdditionsTests.m
@@ -0,0 +1,346 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2006-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "NSInvocationOCMAdditionsTests.h"
+#import "NSInvocation+OCMAdditions.h"
+
+#define TestString @"foo"
+#define TestInt 1
+
+@implementation NSInvocationOCMAdditionsTests
+
+- (void)testInvocationDescriptionWithNoArguments
+{
+	SEL selector = @selector(lowercaseString);
+	NSMethodSignature *signature = [[NSString string] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	
+	STAssertEqualObjects(@"lowercaseString", [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithObjectArgument
+{
+	SEL selector = @selector(isEqualToNumber:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it one argument (starts at index 2)
+	NSNumber *argument = [NSNumber numberWithInt:TestInt];
+	[invocation setArgument:&argument atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"isEqualToNumber:%d", TestInt];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithNSStringArgument
+{
+	SEL selector = @selector(isEqualToString:);
+	NSMethodSignature *signature = [[NSString string] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it one argument (starts at index 2)
+	NSString *argument = TestString;
+	[invocation setArgument:&argument atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"isEqualToString:@\"%@\"", TestString];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithObjectArguments
+{
+	SEL selector = @selector(setValue:forKey:);
+	NSMethodSignature *signature = [[NSArray array] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it two arguments
+	NSNumber *argumentOne = [NSNumber numberWithInt:TestInt];
+	NSString *argumentTwo = TestString;
+	[invocation setArgument:&argumentOne atIndex:2];
+	[invocation setArgument:&argumentTwo atIndex:3];
+	
+	NSString *expected = [NSString stringWithFormat:@"setValue:%d forKey:@\"%@\"", TestInt, TestString];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithArrayArgument
+{
+	SEL selector = @selector(addObjectsFromArray:);
+	NSMethodSignature *signature = [[NSMutableArray array] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it one argument (starts at index 2)
+	NSArray *argument = [NSArray arrayWithObject:TestString];
+	[invocation setArgument:&argument atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"addObjectsFromArray:%@", [argument description]];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithIntArgument
+{
+	SEL selector = @selector(initWithInt:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	int argumentOne = TestInt;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithInt:%d", TestInt];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithUnsignedIntArgument
+{
+	SEL selector = @selector(initWithUnsignedInt:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	unsigned int argumentOne = TestInt;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithUnsignedInt:%d", TestInt];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithBoolArgument
+{
+	SEL selector = @selector(initWithBool:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	BOOL argumentOne = TRUE;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithBool:YES"];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithCharArgument
+{
+	SEL selector = @selector(initWithChar:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	char argumentOne = 'd';
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithChar:'%c'", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithUnsignedCharArgument
+{
+	NSNumber *dummyNumber = [NSNumber alloc];
+	
+	SEL selector = @selector(initWithUnsignedChar:);
+	NSMethodSignature *signature = [dummyNumber methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	unsigned char argumentOne = 'd';
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithUnsignedChar:'%c'", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithDoubleArgument
+{
+	SEL selector = @selector(initWithDouble:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	double argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithDouble:%f", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithFloatArgument
+{
+	SEL selector = @selector(initWithFloat:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	float argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithFloat:%f", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithLongArgument
+{
+	SEL selector = @selector(initWithLong:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	long argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithLong:%ld", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithUnsignedLongArgument
+{
+	SEL selector = @selector(initWithUnsignedLong:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	unsigned long argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithUnsignedLong:%lu", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithLongLongArgument
+{
+	SEL selector = @selector(initWithLongLong:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	long long argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithLongLong:%qi", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithUnsignedLongLongArgument
+{
+	SEL selector = @selector(initWithUnsignedLongLong:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	unsigned long long argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithUnsignedLongLong:%qu", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithShortArgument
+{
+	SEL selector = @selector(initWithShort:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	short argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithShort:%hi", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithUnsignedShortArgument
+{
+	SEL selector = @selector(initWithUnsignedShort:);
+	NSMethodSignature *signature = [[NSNumber alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	unsigned short argumentOne = 1;
+	[invocation setArgument:&argumentOne atIndex:2];
+
+	NSString *expected = [NSString stringWithFormat:@"initWithUnsignedShort:%hu", argumentOne];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+/*
+- (void)testInvocationDescriptionWithStructArgument
+{
+	SEL selector = @selector(setFrameSize:);
+	NSMethodSignature *signature = [[[NSView alloc] init] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	NSSize size;
+	size.width = 1;
+	size.height = 1;
+	[invocation setArgument:&size atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"setFrameSize:(struct)"];
+	STAssertTrue(expected, [[invocation invocationDescription] rangeOfString:description].length > 0, @"");
+}
+*/
+/*
+- (void)testInvocationDescriptionWithCStringArgument
+{
+	SEL selector = @selector(initWithUTF8String:);
+	NSMethodSignature *signature = [[NSString alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	NSString *string = [NSString stringWithString:@"foo"];
+	const char *cString = [string UTF8String]; 
+	[invocation setArgument:&cString atIndex:2];
+
+	NSString *expected = @"initWithUTF8String:\"foo\"";
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+*/
+- (void)testInvocationDescriptionWithSelectorArgument
+{
+	SEL selector = @selector(respondsToSelector:);
+	NSMethodSignature *signature = [[NSString alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	SEL selectorValue = @selector(foo);
+	[invocation setArgument:&selectorValue atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"respondsToSelector:@selector(%@)", NSStringFromSelector(selectorValue)];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+- (void)testInvocationDescriptionWithPointerArgument
+{
+	SEL selector = @selector(initWithBytes:length:);
+	NSMethodSignature *signature = [[NSData alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	NSData *data = [@"foo" dataUsingEncoding:NSUTF8StringEncoding];
+	const void *bytes = [[@"foo" dataUsingEncoding:NSUTF8StringEncoding] bytes];
+	NSUInteger length = [data length];
+	[invocation setArgument:&bytes atIndex:2];
+	[invocation setArgument:&length atIndex:3];
+	
+	NSString *expected1 = [NSString stringWithFormat:@"initWithBytes:"];
+	NSString *expected2 = [NSString stringWithFormat:@"length:%ld", length];
+	NSString *invocationDescription = [invocation invocationDescription];
+	STAssertTrue([invocationDescription rangeOfString:expected1].length > 0, @"");
+	STAssertTrue([invocationDescription rangeOfString:expected2].length > 0, @"");
+}
+
+- (void)testInvocationDescriptionWithNilArgument
+{
+	SEL selector = @selector(initWithString:);
+	NSMethodSignature *signature = [[NSString alloc] methodSignatureForSelector:selector];
+	NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
+	[invocation setSelector:selector];
+	// Give it an argument
+	NSString *argString = nil;
+	[invocation setArgument:&argString atIndex:2];
+	
+	NSString *expected = [NSString stringWithFormat:@"initWithString:nil"];
+	STAssertEqualObjects(expected, [invocation invocationDescription], @"");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.h
new file mode 100644
index 0000000..d15cafc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.h
@@ -0,0 +1,14 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface OCMConstraintTests : SenTestCase 
+{
+	BOOL didCallCustomConstraint;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.m
new file mode 100644
index 0000000..353641d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMConstraintTests.m
@@ -0,0 +1,131 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMConstraintTests.h"
+#import <OCMock/OCMConstraint.h>
+
+
+@implementation OCMConstraintTests
+
+- (void)setUp
+{
+	didCallCustomConstraint = NO;
+}
+
+- (void)testAnyAcceptsAnything
+{
+	OCMConstraint *constraint = [OCMAnyConstraint constraint];
+	
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted a value.");
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted another value.");
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted nil.");	
+}
+
+- (void)testIsNilAcceptsOnlyNil
+{
+	OCMConstraint *constraint = [OCMIsNilConstraint constraint];
+	
+	STAssertFalse([constraint evaluate:@"foo"], @"Should not have accepted a value.");
+	STAssertTrue([constraint evaluate:nil], @"Should have accepted nil.");	
+}
+
+- (void)testIsNotNilAcceptsAnythingButNil
+{
+	OCMConstraint *constraint = [OCMIsNotNilConstraint constraint];
+	
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted a value.");
+	STAssertFalse([constraint evaluate:nil], @"Should not have accepted nil.");	
+}
+
+- (void)testNotEqualAcceptsAnythingButValue
+{
+	OCMIsNotEqualConstraint *constraint = [OCMIsNotEqualConstraint constraint];
+	constraint->testValue = @"foo";
+	
+	STAssertFalse([constraint evaluate:@"foo"], @"Should not have accepted value.");
+	STAssertTrue([constraint evaluate:@"bar"], @"Should have accepted other value.");	
+	STAssertTrue([constraint evaluate:nil], @"Should have accepted nil.");	
+}
+
+
+- (BOOL)checkArg:(id)theArg
+{
+	didCallCustomConstraint = YES;
+	return [theArg isEqualToString:@"foo"];
+}
+
+- (void)testUsesPlainMethod
+{
+	OCMConstraint *constraint = CONSTRAINT(@selector(checkArg:));
+
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted foo.");
+	STAssertTrue(didCallCustomConstraint, @"Should have used custom method.");
+	STAssertFalse([constraint evaluate:@"bar"], @"Should not have accepted bar.");
+}
+
+
+- (BOOL)checkArg:(id)theArg withValue:(id)value
+{
+	didCallCustomConstraint = YES;
+	return [theArg isEqual:value];
+}
+
+- (void)testUsesMethodWithValue
+{
+	OCMConstraint *constraint = CONSTRAINTV(@selector(checkArg:withValue:), @"foo");
+
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted foo.");
+	STAssertTrue(didCallCustomConstraint, @"Should have used custom method.");
+	STAssertFalse([constraint evaluate:@"bar"], @"Should not have accepted bar.");
+}
+
+
+- (void)testRaisesExceptionWhenConstraintMethodDoesNotTakeArgument
+{
+	STAssertThrows(CONSTRAINTV(@selector(checkArg:), @"bar"), @"Should have thrown for invalid constraint method.");
+}
+
+
+- (void)testRaisesExceptionOnUnknownSelector
+{
+	STAssertThrows(CONSTRAINTV(@selector(checkArgXXX:), @"bar"), @"Should have thrown for unknown constraint method.");	
+}
+
+
+#if NS_BLOCKS_AVAILABLE
+
+-(void)testUsesBlock
+{
+	BOOL (^checkForFooBlock)(id) = ^(id value)
+		{
+			return [value isEqualToString:@"foo"];
+		};
+	
+	OCMBlockConstraint *constraint = [[[OCMBlockConstraint alloc] initWithConstraintBlock:checkForFooBlock] autorelease];
+
+	STAssertTrue([constraint evaluate:@"foo"], @"Should have accepted foo.");
+	STAssertFalse([constraint evaluate:@"bar"], @"Should not have accepted bar.");
+}
+
+-(void)testBlockConstraintCanCaptureArgument 
+{
+	__block NSString *captured;
+	BOOL (^captureArgBlock)(id) = ^(id value)
+		{
+			captured = value;
+			return YES;
+		};
+	
+	OCMBlockConstraint *constraint = [[[OCMBlockConstraint alloc] initWithConstraintBlock:captureArgBlock] autorelease];
+
+	[constraint evaluate:@"foo"];
+	STAssertEqualObjects(@"foo", captured, @"Should have captured value from last invocation.");
+	[constraint evaluate:@"bar"];
+	STAssertEqualObjects(@"bar", captured, @"Should have captured value from last invocation.");
+}
+
+#endif
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.h
new file mode 100644
index 0000000..96ab70a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface OCMockObjectClassMethodMockingTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.m
new file mode 100644
index 0000000..fe59664
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectClassMethodMockingTests.m
@@ -0,0 +1,119 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMock.h>
+#import "OCClassMockObject.h"
+#import "OCMockObjectClassMethodMockingTests.h"
+
+#pragma mark   Helper classes
+
+@interface TestClassWithClassMethods : NSObject
++ (NSString *)foo;
++ (NSString *)bar;
+- (NSString *)bar;
+@end
+
+@implementation TestClassWithClassMethods
+
++ (NSString *)foo
+{
+    return @"Foo-ClassMethod";
+}
+
++ (NSString *)bar
+{
+    return @"Bar-ClassMethod";
+}
+
+- (NSString *)bar
+{
+    return @"Bar";
+}
+
+@end
+
+
+
+@implementation OCMockObjectClassMethodMockingTests
+
+#pragma mark   Tests stubbing class methods
+
+- (void)testCanStubClassMethod
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+
+    [[[[mock stub] classMethod] andReturn:@"mocked"] foo];
+    
+    STAssertEqualObjects(@"mocked", [TestClassWithClassMethods foo], @"Should have stubbed class method.");
+}
+
+- (void)testClassReceivesMethodsAfterStopWasCalled
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+    
+    [[[[mock stub] classMethod] andReturn:@"mocked"] foo];
+    [mock stopMocking];
+    
+    STAssertEqualObjects(@"Foo-ClassMethod", [TestClassWithClassMethods foo], @"Should not have stubbed class method.");
+}
+
+- (void)testClassReceivesMethodAgainWhenExpectedCallOccurred
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+
+   	[[[[mock expect] classMethod] andReturn:@"mocked"] foo];
+   	
+    STAssertEqualObjects(@"mocked", [TestClassWithClassMethods foo], @"Should have stubbed method.");
+   	STAssertEqualObjects(@"Foo-ClassMethod", [TestClassWithClassMethods foo], @"Should have 'unstubbed' method.");
+}
+
+- (void)testStubsOnlyClassMethodWhenInstanceMethodWithSameNameExists
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+    
+    [[[[mock stub] classMethod] andReturn:@"mocked"] bar];
+    
+    STAssertEqualObjects(@"mocked", [TestClassWithClassMethods bar], @"Should have stubbed class method.");
+    STAssertThrows([mock bar], @"Should not have stubbed instance method.");
+}
+
+- (void)testStubsClassMethodWhenNoInstanceMethodExistsWithName
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+    
+    [[[mock stub] andReturn:@"mocked"] foo];
+    
+    STAssertEqualObjects(@"mocked", [TestClassWithClassMethods foo], @"Should have stubbed class method.");
+}
+
+- (void)testStubsCanDistinguishInstanceAndClassMethods
+{
+    id mock = [OCMockObject mockForClass:[TestClassWithClassMethods class]];
+    
+    [[[[mock stub] classMethod] andReturn:@"mocked-class"] bar];
+    [[[mock stub] andReturn:@"mocked-instance"] bar];
+    
+    STAssertEqualObjects(@"mocked-class", [TestClassWithClassMethods bar], @"Should have stubbed class method.");
+    STAssertEqualObjects(@"mocked-instance", [mock bar], @"Should have stubbed instance method.");
+}
+
+- (void)testRevertsAllStubbedMethodsOnDealloc
+{
+    id mock = [[OCClassMockObject alloc] initWithClass:[TestClassWithClassMethods class]];
+
+    [[[[mock stub] classMethod] andReturn:@"mocked-foo"] foo];
+    [[[[mock stub] classMethod] andReturn:@"mocked-bar"] bar];
+
+    STAssertEqualObjects(@"mocked-foo", [TestClassWithClassMethods foo], @"Should have stubbed class method 'foo'.");
+    STAssertEqualObjects(@"mocked-bar", [TestClassWithClassMethods bar], @"Should have stubbed class method 'bar'.");
+
+    [mock release];
+
+    STAssertEqualObjects(@"Foo-ClassMethod", [TestClassWithClassMethods foo], @"Should have 'unstubbed' class method 'foo'.");
+    STAssertEqualObjects(@"Bar-ClassMethod", [TestClassWithClassMethods bar], @"Should have 'unstubbed' class method 'bar'.");
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.h
new file mode 100644
index 0000000..044df3d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface OCMockForwardingTargetTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.m
new file mode 100644
index 0000000..f2a9f45
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectForwardingTargetTests.m
@@ -0,0 +1,136 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMockObjectForwardingTargetTests.h"
+#import <OCMock/OCMock.h>
+#import <objc/runtime.h>
+
+#pragma mark   Helper classes
+
+@interface InternalObject : NSObject
+@property (nonatomic, strong) NSString *name;
+@end
+
+@interface PublicObject : NSObject
+@property (nonatomic, strong) NSString *name;
+@end
+
+@implementation InternalObject
+
+- (void)dealloc
+{
+    [_name release];
+    [super dealloc];
+}
+
+@end
+
+
+@implementation PublicObject
+{
+    InternalObject *_internal;
+};
+
+@dynamic name;
+
+- (instancetype)initWithInternal:(InternalObject *)internal
+{
+    self = [super init];
+    if (!self)
+        return self;
+
+    _internal = internal;
+    return self;
+}
+
+- (instancetype)init
+{
+    return [self initWithInternal:[[InternalObject alloc] init]];
+}
+
+- (void)dealloc
+{
+    [_internal release];
+    [super dealloc];
+}
+
+- (id)forwardingTargetForSelector:(SEL)selector
+{
+    if (selector == @selector(name) ||
+        selector == @selector(setName:))
+        return _internal;
+    return [super forwardingTargetForSelector:selector];
+}
+
++ (NSMethodSignature *)instanceMethodSignatureForSelector:(SEL)selector
+{
+    NSMethodSignature *signature = [super instanceMethodSignatureForSelector:selector];
+    if (signature)
+        return signature;
+    else
+        return [InternalObject instanceMethodSignatureForSelector:selector];
+}
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)selector
+{
+    NSMethodSignature *signature = [super methodSignatureForSelector:selector];
+    if (signature)
+        return signature;
+
+    return [[self forwardingTargetForSelector:selector] methodSignatureForSelector:selector];
+}
+
+- (BOOL)respondsToSelector:(SEL)selector
+{
+    if ([super respondsToSelector:selector])
+        return YES;
+
+    return [[self forwardingTargetForSelector:selector] respondsToSelector:selector];
+}
+
++ (BOOL)instancesRespondToSelector:(SEL)selector
+{
+    if (class_respondsToSelector(self, selector))
+        return YES;
+
+    return [InternalObject instancesRespondToSelector:selector];
+}
+
+- (id)valueForUndefinedKey:(NSString *)key
+{
+    return [_internal valueForKey:key];
+}
+
+- (void)setValue:(id)value forUndefinedKey:(NSString *)key
+{
+    [_internal setValue:value forKey:key];
+}
+
+@end
+
+
+#pragma mark    Tests
+
+
+@implementation OCMockForwardingTargetTests
+
+- (void)testNameShouldForwardToInternal
+{
+    InternalObject *internal = [[InternalObject alloc] init];
+    internal.name = @"Internal Object";
+    PublicObject *public = [[PublicObject alloc] initWithInternal:internal];
+    STAssertEqualObjects(@"Internal Object", public.name, nil);
+}
+
+- (void)testStubsMethodImplementation
+{
+    PublicObject *public = [[PublicObject alloc] init];
+    id mock = [OCMockObject partialMockForObject:public];
+
+    [[[mock stub] andReturn:@"FOO"] name];
+    STAssertEqualObjects(@"FOO", [mock name], nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.h
new file mode 100644
index 0000000..e65519b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.h
@@ -0,0 +1,13 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface OCMockObjectHamcrestTests : SenTestCase 
+{
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.mm b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.mm
new file mode 100644
index 0000000..4f0f5dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectHamcrestTests.mm
@@ -0,0 +1,31 @@
+//---------------------------------------------------------------------------------------
+//  $Id: OCMockObjectTests.m 21 2008-01-24 18:59:39Z erik $
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMock.h>
+#import "OCMockObjectHamcrestTests.h"
+
+#define HC_SHORTHAND
+#import <OCHamcrest/OCHamcrest.h>
+
+
+@implementation OCMockObjectHamcrestTests
+
+- (void)testAcceptsStubbedMethodWithHamcrestConstraint
+{
+	id mock = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] hasSuffix:(id)startsWith(@"foo")];
+	[mock hasSuffix:@"foobar"];
+}
+
+
+- (void)testRejectsUnstubbedMethodWithHamcrestConstraint
+{
+	id mock = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] hasSuffix:(id)anyOf(equalTo(@"foo"), equalTo(@"bar"), NULL)];
+	STAssertThrows([mock hasSuffix:@"foobar"], @"Should have raised an exception.");
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.h
new file mode 100644
index 0000000..eb7ecc2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.h
@@ -0,0 +1,10 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface OCMockObjectPartialMocksTests : SenTestCase
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.m
new file mode 100644
index 0000000..cf8e42c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectPartialMocksTests.m
@@ -0,0 +1,174 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2013 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMock.h>
+#import "OCMockObjectPartialMocksTests.h"
+
+#pragma mark   Helper classes
+
+@interface TestClassWithSimpleMethod : NSObject
+- (NSString *)foo;
+@end
+
+@implementation TestClassWithSimpleMethod
+
+- (NSString *)foo
+{
+    return @"Foo";
+}
+
+@end
+
+
+@interface TestClassThatCallsSelf : NSObject
+- (NSString *)method1;
+- (NSString *)method2;
+@end
+
+@implementation TestClassThatCallsSelf
+
+- (NSString *)method1
+{
+	id retVal = [self method2];
+	return retVal;
+}
+
+- (NSString *)method2
+{
+	return @"Foo";
+}
+
+@end
+
+
+
+@implementation OCMockObjectPartialMocksTests
+
+#pragma mark   Tests for stubbing with partial mocks
+
+- (void)testStubsMethodsOnPartialMock
+{
+	TestClassWithSimpleMethod *object = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:object];
+	[[[mock stub] andReturn:@"hi"] foo];
+	STAssertEqualObjects(@"hi", [mock foo], @"Should have returned stubbed value");
+}
+
+//- (void)testStubsMethodsOnPartialMockForTollFreeBridgedClasses
+//{
+//	mock = [OCMockObject partialMockForObject:[NSString stringWithString:@"hello"]];
+//	[[[mock stub] andReturn:@"hi"] uppercaseString];
+//	STAssertEqualObjects(@"hi", [mock uppercaseString], @"Should have returned stubbed value");
+//}
+
+- (void)testForwardsUnstubbedMethodsCallsToRealObjectOnPartialMock
+{
+	TestClassWithSimpleMethod *object = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:object];
+	STAssertEqualObjects(@"Foo", [mock foo], @"Should have returned value from real object.");
+}
+
+//- (void)testForwardsUnstubbedMethodsCallsToRealObjectOnPartialMockForTollFreeBridgedClasses
+//{
+//	mock = [OCMockObject partialMockForObject:[NSString stringWithString:@"hello2"]];
+//	STAssertEqualObjects(@"HELLO2", [mock uppercaseString], @"Should have returned value from real object.");
+//}
+
+- (void)testStubsMethodOnRealObjectReference
+{
+	TestClassWithSimpleMethod *realObject = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:realObject];
+	[[[mock stub] andReturn:@"TestFoo"] foo];
+	STAssertEqualObjects(@"TestFoo", [realObject foo], @"Should have stubbed method.");
+}
+
+- (void)testCallsToSelfInRealObjectAreShadowedByPartialMock
+{
+	TestClassThatCallsSelf *realObject = [[[TestClassThatCallsSelf alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:realObject];
+	[[[mock stub] andReturn:@"FooFoo"] method2];
+	STAssertEqualObjects(@"FooFoo", [mock method1], @"Should have called through to stubbed method.");
+}
+
+
+#pragma mark   Tests for end of stubbing with partial mocks
+
+- (void)testReturnsToRealImplementationWhenExpectedCallOccurred
+{
+    TestClassWithSimpleMethod *realObject = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+   	id mock = [OCMockObject partialMockForObject:realObject];
+   	[[[mock expect] andReturn:@"TestFoo"] foo];
+   	STAssertEqualObjects(@"TestFoo", [realObject foo], @"Should have stubbed method.");
+   	STAssertEqualObjects(@"Foo", [realObject foo], @"Should have 'unstubbed' method.");
+}
+
+- (void)testRestoresObjectWhenStopped
+{
+	TestClassWithSimpleMethod *realObject = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:realObject];
+	[[[mock stub] andReturn:@"TestFoo"] foo];
+	STAssertEqualObjects(@"TestFoo", [realObject foo], @"Should have stubbed method.");
+	STAssertEqualObjects(@"TestFoo", [realObject foo], @"Should have stubbed method.");
+	[mock stopMocking];
+	STAssertEqualObjects(@"Foo", [realObject foo], @"Should have 'unstubbed' method.");
+}
+
+
+#pragma mark   Tests for explicit forward to real object with partial mocks
+
+- (void)testForwardsToRealObjectWhenSetUpAndCalledOnMock
+{
+	TestClassWithSimpleMethod *realObject = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:realObject];
+    
+	[[[mock expect] andForwardToRealObject] foo];
+	STAssertEquals(@"Foo", [mock foo], @"Should have called method on real object.");
+    
+	[mock verify];
+}
+
+- (void)testForwardsToRealObjectWhenSetUpAndCalledOnRealObject
+{
+	TestClassWithSimpleMethod *realObject = [[[TestClassWithSimpleMethod alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:realObject];
+	
+	[[[mock expect] andForwardToRealObject] foo];
+	STAssertEquals(@"Foo", [realObject foo], @"Should have called method on real object.");
+	
+	[mock verify];
+}
+
+
+#pragma mark   Tests for method swizzling with partial mocks
+
+- (NSString *)differentMethodInDifferentClass
+{
+	return @"swizzled!";
+}
+
+- (void)testImplementsMethodSwizzling
+{
+	// using partial mocks and the indirect return value provider
+	TestClassThatCallsSelf *foo = [[[TestClassThatCallsSelf alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:foo];
+	[[[mock stub] andCall:@selector(differentMethodInDifferentClass) onObject:self] method1];
+	STAssertEqualObjects(@"swizzled!", [foo method1], @"Should have returned value from different method");
+}
+
+
+- (void)aMethodWithVoidReturn
+{
+}
+
+- (void)testMethodSwizzlingWorksForVoidReturns
+{
+	TestClassThatCallsSelf *foo = [[[TestClassThatCallsSelf alloc] init] autorelease];
+	id mock = [OCMockObject partialMockForObject:foo];
+	[[[mock stub] andCall:@selector(aMethodWithVoidReturn) onObject:self] method1];
+	STAssertNoThrow([foo method1], @"Should have worked.");
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.h
new file mode 100644
index 0000000..3976f75
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.h
@@ -0,0 +1,13 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface OCMockObjectTests : SenTestCase
+{
+	id mock;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.m
new file mode 100644
index 0000000..76ae2c5
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockObjectTests.m
@@ -0,0 +1,812 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2010 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMock.h>
+#import "OCMockObjectTests.h"
+
+// --------------------------------------------------------------------------------------
+//	Helper classes and protocols for testing
+// --------------------------------------------------------------------------------------
+
+@interface InterfaceForTypedef : NSObject
+@end
+
+@implementation InterfaceForTypedef
+@end
+
+typedef InterfaceForTypedef TypedefInterface;
+typedef InterfaceForTypedef* PointerTypedefInterface;
+typedef int intTypedef;
+
+@protocol TestProtocol
+- (int)primitiveValue;
+@optional
+- (id)objectValue;
+@end
+
+@protocol ProtocolWithTypeQualifierMethod
+- (void)aSpecialMethod:(byref in void *)someArg;
+@end
+
+@protocol ProtocolWithTypedefs
+- (TypedefInterface*)typedefReturnValue1;
+- (PointerTypedefInterface)typedefReturnValue2;
+- (void)typedefParameter:(TypedefInterface*)parameter;
+- (void)typedefPointerParameter:(PointerTypedefInterface)parameter;
+@end
+
+@interface ProtocolWithTypedefsImplementation : NSObject<ProtocolWithTypedefs>
+- (TypedefInterface*)typedefReturnValue1;
+- (PointerTypedefInterface)typedefReturnValue2;
+- (void)typedefParameter:(TypedefInterface*)parameter;
+- (void)typedefPointerParameter:(PointerTypedefInterface)parameter;
+@end
+
+@implementation ProtocolWithTypedefsImplementation
+
+- (TypedefInterface*)typedefReturnValue1 {
+    return nil;
+}
+
+- (PointerTypedefInterface)typedefReturnValue2 {
+    return nil;
+}
+
+- (void)typedefParameter:(TypedefInterface*)parameter {
+}
+
+-(void)typedefPointerParameter:(PointerTypedefInterface)parameter {
+}
+
+@end
+
+
+@interface TestClassWithIntPointerMethod : NSObject
+
+- (void)returnValueInPointer:(int *)ptr;
+
+@end
+
+@implementation TestClassWithIntPointerMethod
+
+- (void)returnValueInPointer:(int *)ptr
+{
+    *ptr = 555;
+}
+
+@end
+
+
+
+@interface TestObserver	: NSObject
+{
+	@public
+	NSNotification *notification;
+}
+
+@end
+
+@implementation TestObserver
+
+- (void)dealloc
+{
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+	[notification release];
+	[super dealloc];
+}
+
+- (void)receiveNotification:(NSNotification *)aNotification
+{
+	notification = [aNotification retain];
+}
+
+@end
+
+static NSString *TestNotification = @"TestNotification";
+
+
+// --------------------------------------------------------------------------------------
+//  setup
+// --------------------------------------------------------------------------------------
+
+
+@implementation OCMockObjectTests
+
+- (void)setUp
+{
+	mock = [OCMockObject mockForClass:[NSString class]];
+}
+
+
+// --------------------------------------------------------------------------------------
+//	accepting stubbed methods / rejecting methods not stubbed
+// --------------------------------------------------------------------------------------
+
+- (void)testAcceptsStubbedMethod
+{
+	[[mock stub] lowercaseString];
+	[mock lowercaseString];
+}
+
+- (void)testRaisesExceptionWhenUnknownMethodIsCalled
+{
+	[[mock stub] lowercaseString];
+	STAssertThrows([mock uppercaseString], @"Should have raised an exception.");
+}
+
+
+- (void)testAcceptsStubbedMethodWithSpecificArgument
+{
+	[[mock stub] hasSuffix:@"foo"];
+	[mock hasSuffix:@"foo"];
+}
+
+
+- (void)testAcceptsStubbedMethodWithConstraint
+{
+	[[mock stub] hasSuffix:[OCMArg any]];
+	[mock hasSuffix:@"foo"];
+	[mock hasSuffix:@"bar"];
+}
+
+#if NS_BLOCKS_AVAILABLE
+
+- (void)testAcceptsStubbedMethodWithBlockArgument
+{
+	mock = [OCMockObject mockForClass:[NSArray class]];
+	[[mock stub] indexesOfObjectsPassingTest:[OCMArg any]];
+	[mock indexesOfObjectsPassingTest:^(id obj, NSUInteger idx, BOOL *stop) { return YES; }];
+}
+
+
+- (void)testAcceptsStubbedMethodWithBlockConstraint
+{
+	[[mock stub] hasSuffix:[OCMArg checkWithBlock:^(id value) { return [value isEqualToString:@"foo"]; }]];
+
+	STAssertNoThrow([mock hasSuffix:@"foo"], @"Should not have thrown a exception");   
+	STAssertThrows([mock hasSuffix:@"bar"], @"Should have thrown a exception");   
+}
+	
+#endif
+
+- (void)testAcceptsStubbedMethodWithNilArgument
+{
+	[[mock stub] hasSuffix:nil];
+	
+	[mock hasSuffix:nil];
+}
+
+- (void)testRaisesExceptionWhenMethodWithWrongArgumentIsCalled
+{
+	[[mock stub] hasSuffix:@"foo"];
+	STAssertThrows([mock hasSuffix:@"xyz"], @"Should have raised an exception.");
+}
+
+
+- (void)testAcceptsStubbedMethodWithScalarArgument
+{
+	[[mock stub] stringByPaddingToLength:20 withString:@"foo" startingAtIndex:5];
+	[mock stringByPaddingToLength:20 withString:@"foo" startingAtIndex:5];
+}
+
+
+- (void)testRaisesExceptionWhenMethodWithOneWrongScalarArgumentIsCalled
+{
+	[[mock stub] stringByPaddingToLength:20 withString:@"foo" startingAtIndex:5];
+	STAssertThrows([mock stringByPaddingToLength:20 withString:@"foo" startingAtIndex:3], @"Should have raised an exception.");	
+}
+
+- (void)testAcceptsStubbedMethodWithPointerArgument
+{
+	NSError *error;
+	[[[mock stub] andReturnValue:OCMOCK_VALUE((BOOL){YES})] writeToFile:OCMOCK_ANY atomically:YES encoding:NSMacOSRomanStringEncoding error:&error];
+	
+	STAssertTrue([mock writeToFile:@"foo" atomically:YES encoding:NSMacOSRomanStringEncoding error:&error], nil);
+}
+
+- (void)testAcceptsStubbedMethodWithAnyPointerArgument
+{
+	NSError *error;
+	[[[mock stub] andReturnValue:OCMOCK_VALUE((BOOL){YES})] writeToFile:OCMOCK_ANY atomically:YES encoding:NSMacOSRomanStringEncoding error:[OCMArg anyPointer]];
+	
+	STAssertTrue([mock writeToFile:@"foo" atomically:YES encoding:NSMacOSRomanStringEncoding error:&error], nil);
+}
+
+- (void)testRaisesExceptionWhenMethodWithWrongPointerArgumentIsCalled
+{
+	NSString *string;
+	NSString *anotherString;
+	NSArray *array;
+	
+	[[mock stub] completePathIntoString:&string caseSensitive:YES matchesIntoArray:&array filterTypes:OCMOCK_ANY];
+	
+	STAssertThrows([mock completePathIntoString:&anotherString caseSensitive:YES matchesIntoArray:&array filterTypes:OCMOCK_ANY], nil);
+}
+
+- (void)testAcceptsStubbedMethodWithVoidPointerArgument
+{
+	mock = [OCMockObject mockForClass:[NSMutableData class]];
+	[[mock stub] appendBytes:NULL length:0];
+	[mock appendBytes:NULL length:0];
+}
+
+
+- (void)testRaisesExceptionWhenMethodWithWrongVoidPointerArgumentIsCalled
+{
+	mock = [OCMockObject mockForClass:[NSMutableData class]];
+	[[mock stub] appendBytes:"foo" length:3];
+	STAssertThrows([mock appendBytes:"bar" length:3], @"Should have raised an exception.");
+}
+
+
+- (void)testAcceptsStubbedMethodWithPointerPointerArgument
+{
+	NSError *error = nil;
+	[[mock stub] initWithContentsOfFile:@"foo.txt" encoding:NSASCIIStringEncoding error:&error];	
+	[mock initWithContentsOfFile:@"foo.txt" encoding:NSASCIIStringEncoding error:&error];
+}
+
+
+- (void)testRaisesExceptionWhenMethodWithWrongPointerPointerArgumentIsCalled
+{
+	NSError *error = nil, *error2;
+	[[mock stub] initWithContentsOfFile:@"foo.txt" encoding:NSASCIIStringEncoding error:&error];	
+	STAssertThrows([mock initWithContentsOfFile:@"foo.txt" encoding:NSASCIIStringEncoding error:&error2], @"Should have raised.");
+}
+
+
+- (void)testAcceptsStubbedMethodWithStructArgument
+{
+    NSRange range = NSMakeRange(0,20);
+	[[mock stub] substringWithRange:range];
+	[mock substringWithRange:range];
+}
+
+
+- (void)testRaisesExceptionWhenMethodWithWrongStructArgumentIsCalled
+{
+    NSRange range = NSMakeRange(0,20);
+    NSRange otherRange = NSMakeRange(0,10);
+	[[mock stub] substringWithRange:range];
+	STAssertThrows([mock substringWithRange:otherRange], @"Should have raised an exception.");	
+}
+
+
+- (void)testCanPassMocksAsArguments
+{
+	id mockArg = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] stringByAppendingString:[OCMArg any]];
+	[mock stringByAppendingString:mockArg];
+}
+
+- (void)testCanStubWithMockArguments
+{
+	id mockArg = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] stringByAppendingString:mockArg];
+	[mock stringByAppendingString:mockArg];
+}
+
+- (void)testRaisesExceptionWhenStubbedMockArgIsNotUsed
+{
+	id mockArg = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] stringByAppendingString:mockArg];
+	STAssertThrows([mock stringByAppendingString:@"foo"], @"Should have raised an exception.");
+}
+
+- (void)testRaisesExceptionWhenDifferentMockArgumentIsPassed
+{
+	id expectedArg = [OCMockObject mockForClass:[NSString class]];
+	id otherArg = [OCMockObject mockForClass:[NSString class]];
+	[[mock stub] stringByAppendingString:otherArg];
+	STAssertThrows([mock stringByAppendingString:expectedArg], @"Should have raised an exception.");	
+}
+
+
+// --------------------------------------------------------------------------------------
+//	returning values from stubbed methods
+// --------------------------------------------------------------------------------------
+
+- (void)testReturnsStubbedReturnValue
+{
+	id returnValue;  
+
+	[[[mock stub] andReturn:@"megamock"] lowercaseString];
+	returnValue = [mock lowercaseString];
+	
+	STAssertEqualObjects(@"megamock", returnValue, @"Should have returned stubbed value.");
+	
+}
+
+- (void)testReturnsStubbedIntReturnValue
+{
+    int expectedValue = 42;
+	[[[mock stub] andReturnValue:OCMOCK_VALUE(expectedValue)] intValue];
+	int returnValue = [mock intValue];
+    
+	STAssertEquals(expectedValue, returnValue, @"Should have returned stubbed value.");
+}
+
+- (void)testRaisesWhenBoxedValueTypesDoNotMatch
+{
+    double expectedValue = 42;
+	[[[mock stub] andReturnValue:OCMOCK_VALUE(expectedValue)] intValue];
+    
+	STAssertThrows([mock intValue], @"Should have raised an exception.");
+}
+
+- (void)testReturnsStubbedNilReturnValue
+{
+	[[[mock stub] andReturn:nil] uppercaseString];
+	
+	id returnValue = [mock uppercaseString];
+	
+	STAssertNil(returnValue, @"Should have returned stubbed value, which is nil.");
+}
+
+
+// --------------------------------------------------------------------------------------
+//	raising exceptions, posting notifications, etc.
+// --------------------------------------------------------------------------------------
+
+- (void)testRaisesExceptionWhenAskedTo
+{
+	NSException *exception = [NSException exceptionWithName:@"TestException" reason:@"test" userInfo:nil];
+	[[[mock expect] andThrow:exception] lowercaseString];
+	
+	STAssertThrows([mock lowercaseString], @"Should have raised an exception.");
+}
+
+- (void)testPostsNotificationWhenAskedTo
+{
+	TestObserver *observer = [[[TestObserver alloc] init] autorelease];
+	[[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(receiveNotification:) name:TestNotification object:nil];
+	
+	NSNotification *notification = [NSNotification notificationWithName:TestNotification object:self];
+	[[[mock stub] andPost:notification] lowercaseString];
+	
+	[mock lowercaseString];
+	
+	STAssertNotNil(observer->notification, @"Should have sent a notification.");
+	STAssertEqualObjects(TestNotification, [observer->notification name], @"Name should match posted one.");
+	STAssertEqualObjects(self, [observer->notification object], @"Object should match posted one.");
+}
+
+- (void)testPostsNotificationInAddtionToReturningValue
+{
+	TestObserver *observer = [[[TestObserver alloc] init] autorelease];
+	[[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(receiveNotification:) name:TestNotification object:nil];
+	
+	NSNotification *notification = [NSNotification notificationWithName:TestNotification object:self];
+	[[[[mock stub] andReturn:@"foo"] andPost:notification] lowercaseString];
+	
+	STAssertEqualObjects(@"foo", [mock lowercaseString], @"Should have returned stubbed value.");
+	STAssertNotNil(observer->notification, @"Should have sent a notification.");
+}
+
+
+- (NSString *)valueForString:(NSString *)aString andMask:(NSStringCompareOptions)mask
+{
+	return [NSString stringWithFormat:@"[%@, %ld]", aString, mask];
+}
+
+- (void)testCallsAlternativeMethodAndPassesOriginalArgumentsAndReturnsValue
+{
+	[[[mock stub] andCall:@selector(valueForString:andMask:) onObject:self] commonPrefixWithString:@"FOO" options:NSCaseInsensitiveSearch];
+	
+	NSString *returnValue = [mock commonPrefixWithString:@"FOO" options:NSCaseInsensitiveSearch];
+	
+	STAssertEqualObjects(@"[FOO, 1]", returnValue, @"Should have passed and returned invocation.");
+}
+
+#if NS_BLOCKS_AVAILABLE
+
+- (void)testCallsBlockWhichCanSetUpReturnValue
+{
+	void (^theBlock)(NSInvocation *) = ^(NSInvocation *invocation) 
+		{
+			NSString *value;
+			[invocation getArgument:&value atIndex:2];
+			value = [NSString stringWithFormat:@"MOCK %@", value];
+			[invocation setReturnValue:&value];
+		};
+		
+	[[[mock stub] andDo:theBlock] stringByAppendingString:[OCMArg any]];
+		
+	STAssertEqualObjects(@"MOCK foo", [mock stringByAppendingString:@"foo"], @"Should have called block.");
+	STAssertEqualObjects(@"MOCK bar", [mock stringByAppendingString:@"bar"], @"Should have called block.");
+}
+
+#endif
+
+- (void)testThrowsWhenTryingToUseForwardToRealObjectOnNonPartialMock
+{
+	STAssertThrows([[[mock expect] andForwardToRealObject] name], @"Should have raised and exception.");
+}
+
+
+// --------------------------------------------------------------------------------------
+//	returning values in pass-by-reference arguments
+// --------------------------------------------------------------------------------------
+
+- (void)testReturnsValuesInPassByReferenceArguments
+{
+	NSString *expectedName = @"Test";
+	NSArray *expectedArray = [NSArray array];
+	
+	[[mock expect] completePathIntoString:[OCMArg setTo:expectedName] caseSensitive:YES 
+						 matchesIntoArray:[OCMArg setTo:expectedArray] filterTypes:OCMOCK_ANY];
+	
+	NSString *actualName = nil;
+	NSArray *actualArray = nil;
+	[mock completePathIntoString:&actualName caseSensitive:YES matchesIntoArray:&actualArray filterTypes:nil];
+
+	STAssertNoThrow([mock verify], @"An unexpected exception was thrown");
+	STAssertEqualObjects(expectedName, actualName, @"The two string objects should be equal");
+	STAssertEqualObjects(expectedArray, actualArray, @"The two array objects should be equal");
+}
+
+
+- (void)testReturnsValuesInNonObjectPassByReferenceArguments
+{
+    int expectedValue = 1234;
+    mock = [OCMockObject mockForClass:[TestClassWithIntPointerMethod class]];
+    [[mock stub] returnValueInPointer:[OCMArg setToValue:[NSValue value:&expectedValue withObjCType:@encode(int)]]];
+    
+    int actualValue = 0;
+    [mock returnValueInPointer:&actualValue];
+    
+    STAssertEquals(expectedValue, actualValue, @"Should have returned value via pass by ref argument.");
+    
+}
+
+
+// --------------------------------------------------------------------------------------
+//	accepting expected methods
+// --------------------------------------------------------------------------------------
+
+- (void)testAcceptsExpectedMethod
+{
+	[[mock expect] lowercaseString];
+	[mock lowercaseString];
+}
+
+
+- (void)testAcceptsExpectedMethodAndReturnsValue
+{
+	id returnValue;
+
+	[[[mock expect] andReturn:@"Objective-C"] lowercaseString];
+	returnValue = [mock lowercaseString];
+
+	STAssertEqualObjects(@"Objective-C", returnValue, @"Should have returned stubbed value.");
+}
+
+
+- (void)testAcceptsExpectedMethodsInRecordedSequence
+{
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	[mock lowercaseString];
+	[mock uppercaseString];
+}
+
+
+- (void)testAcceptsExpectedMethodsInDifferentSequence
+{
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	[mock uppercaseString];
+	[mock lowercaseString];
+}
+
+
+// --------------------------------------------------------------------------------------
+//	verifying expected methods
+// --------------------------------------------------------------------------------------
+
+- (void)testAcceptsAndVerifiesExpectedMethods
+{
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	[mock lowercaseString];
+	[mock uppercaseString];
+	
+	[mock verify];
+}
+
+
+- (void)testRaisesExceptionOnVerifyWhenNotAllExpectedMethodsWereCalled
+{
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	[mock lowercaseString];
+	
+	STAssertThrows([mock verify], @"Should have raised an exception.");
+}
+
+- (void)testAcceptsAndVerifiesTwoExpectedInvocationsOfSameMethod
+{
+	[[mock expect] lowercaseString];
+	[[mock expect] lowercaseString];
+	
+	[mock lowercaseString];
+	[mock lowercaseString];
+	
+	[mock verify];
+}
+
+
+- (void)testAcceptsAndVerifiesTwoExpectedInvocationsOfSameMethodAndReturnsCorrespondingValues
+{
+	[[[mock expect] andReturn:@"foo"] lowercaseString];
+	[[[mock expect] andReturn:@"bar"] lowercaseString];
+	
+	STAssertEqualObjects(@"foo", [mock lowercaseString], @"Should have returned first stubbed value");
+	STAssertEqualObjects(@"bar", [mock lowercaseString], @"Should have returned seconds stubbed value");
+	
+	[mock verify];
+}
+
+- (void)testReturnsStubbedValuesIndependentOfExpectations
+{
+	[[mock stub] hasSuffix:@"foo"];
+	[[mock expect] hasSuffix:@"bar"];
+	
+	[mock hasSuffix:@"foo"];
+	[mock hasSuffix:@"bar"];
+	[mock hasSuffix:@"foo"]; // Since it's a stub, shouldn't matter how many times we call this
+	
+	[mock verify];
+}
+
+-(void)testAcceptsAndVerifiesMethodsWithSelectorArgument
+{
+	[[mock expect] performSelector:@selector(lowercaseString)];
+	[mock performSelector:@selector(lowercaseString)];
+	[mock verify];
+}
+
+
+// --------------------------------------------------------------------------------------
+//	ordered expectations
+// --------------------------------------------------------------------------------------
+
+- (void)testAcceptsExpectedMethodsInRecordedSequenceWhenOrderMatters
+{
+	[mock setExpectationOrderMatters:YES];
+	
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	STAssertNoThrow([mock lowercaseString], @"Should have accepted expected method in sequence.");
+	STAssertNoThrow([mock uppercaseString], @"Should have accepted expected method in sequence.");
+}
+
+- (void)testRaisesExceptionWhenSequenceIsWrongAndOrderMatters
+{
+	[mock setExpectationOrderMatters:YES];
+	
+	[[mock expect] lowercaseString];
+	[[mock expect] uppercaseString];
+	
+	STAssertThrows([mock uppercaseString], @"Should have complained about wrong sequence.");
+}
+
+
+// --------------------------------------------------------------------------------------
+//	explicitly rejecting methods (mostly for nice mocks, see below)
+// --------------------------------------------------------------------------------------
+
+- (void)testThrowsWhenRejectedMethodIsCalledOnNiceMock
+{
+	mock = [OCMockObject niceMockForClass:[NSString class]];
+	
+	[[mock reject] uppercaseString];
+	STAssertThrows([mock uppercaseString], @"Should have complained about rejected method being called.");
+}
+
+
+// --------------------------------------------------------------------------------------
+//	protocol mocks
+// --------------------------------------------------------------------------------------
+
+- (void)testCanMockFormalProtocol
+{
+	mock = [OCMockObject mockForProtocol:@protocol(NSLocking)];
+	[[mock expect] lock];
+	
+	[mock lock];
+	
+	[mock verify];
+}
+
+- (void)testSetsCorrectNameForProtocolMockObjects
+{
+	mock = [OCMockObject mockForProtocol:@protocol(NSLocking)];
+	STAssertEqualObjects(@"OCMockObject[NSLocking]", [mock description], @"Should have returned correct description.");
+}
+
+- (void)testRaisesWhenUnknownMethodIsCalledOnProtocol
+{
+	mock = [OCMockObject mockForProtocol:@protocol(NSLocking)];
+	STAssertThrows([mock lowercaseString], @"Should have raised an exception.");
+}
+
+- (void)testConformsToMockedProtocol
+{
+	mock = [OCMockObject mockForProtocol:@protocol(NSLocking)];
+	STAssertTrue([mock conformsToProtocol:@protocol(NSLocking)], nil);
+}
+
+- (void)testRespondsToValidProtocolRequiredSelector
+{
+	mock = [OCMockObject mockForProtocol:@protocol(TestProtocol)];	
+    STAssertTrue([mock respondsToSelector:@selector(primitiveValue)], nil);
+}
+
+- (void)testRespondsToValidProtocolOptionalSelector
+{
+	mock = [OCMockObject mockForProtocol:@protocol(TestProtocol)];	
+    STAssertTrue([mock respondsToSelector:@selector(objectValue)], nil);
+}
+
+- (void)testDoesNotRespondToInvalidProtocolSelector
+{
+	mock = [OCMockObject mockForProtocol:@protocol(TestProtocol)];	
+    STAssertFalse([mock respondsToSelector:@selector(fooBar)], nil);
+}
+
+- (void)testWithTypedefReturnType {
+	mock = [OCMockObject mockForProtocol:@protocol(ProtocolWithTypedefs)];
+    STAssertNoThrow([[[mock stub] andReturn:[TypedefInterface new]] typedefReturnValue1], @"Should accept a typedefed return-type");
+    STAssertNoThrow([mock typedefReturnValue1], @"bla");
+}
+
+- (void)testWithTypedefPointerReturnType {
+	mock = [OCMockObject mockForProtocol:@protocol(ProtocolWithTypedefs)];
+    STAssertNoThrow([[[mock stub] andReturn:[TypedefInterface new]] typedefReturnValue2], @"Should accept a typedefed return-type");
+    STAssertNoThrow([mock typedefReturnValue2], @"bla");
+}
+
+- (void)testWithTypedefParameter {
+	mock = [OCMockObject mockForProtocol:@protocol(ProtocolWithTypedefs)];
+    STAssertNoThrow([[mock stub] typedefParameter:nil], @"Should accept a typedefed parameter-type");
+    STAssertNoThrow([mock typedefParameter:nil], @"bla");
+}
+
+// --------------------------------------------------------------------------------------
+//	nice mocks don't complain about unknown methods
+// --------------------------------------------------------------------------------------
+
+- (void)testReturnsDefaultValueWhenUnknownMethodIsCalledOnNiceClassMock
+{
+	mock = [OCMockObject niceMockForClass:[NSString class]];
+	STAssertNil([mock lowercaseString], @"Should return nil on unexpected method call (for nice mock).");	
+	[mock verify];
+}
+
+- (void)testRaisesAnExceptionWhenAnExpectedMethodIsNotCalledOnNiceClassMock
+{
+	mock = [OCMockObject niceMockForClass:[NSString class]];	
+	[[[mock expect] andReturn:@"HELLO!"] uppercaseString];
+	STAssertThrows([mock verify], @"Should have raised an exception because method was not called.");
+}
+
+- (void)testReturnDefaultValueWhenUnknownMethodIsCalledOnProtocolMock
+{
+	mock = [OCMockObject niceMockForProtocol:@protocol(TestProtocol)];
+	STAssertTrue(0 == [mock primitiveValue], @"Should return 0 on unexpected method call (for nice mock).");
+	[mock verify];
+}
+
+- (void)testRaisesAnExceptionWenAnExpectedMethodIsNotCalledOnNiceProtocolMock
+{
+	mock = [OCMockObject niceMockForProtocol:@protocol(TestProtocol)];	
+	[[mock expect] primitiveValue];
+	STAssertThrows([mock verify], @"Should have raised an exception because method was not called.");
+}
+
+
+
+// --------------------------------------------------------------------------------------
+//	mocks should honour the NSObject contract, etc.
+// --------------------------------------------------------------------------------------
+
+- (void)testRespondsToValidSelector
+{
+	STAssertTrue([mock respondsToSelector:@selector(lowercaseString)], nil);
+}
+
+- (void)testDoesNotRespondToInvalidSelector
+{
+	STAssertFalse([mock respondsToSelector:@selector(fooBar)], nil);
+}
+
+- (void)testCanStubValueForKeyMethod
+{
+	id returnValue;
+	
+	mock = [OCMockObject mockForClass:[NSObject class]];
+	[[[mock stub] andReturn:@"SomeValue"] valueForKey:@"SomeKey"];
+	
+	returnValue = [mock valueForKey:@"SomeKey"];
+	
+	STAssertEqualObjects(@"SomeValue", returnValue, @"Should have returned value that was set up.");
+}
+
+- (void)testForwardsIsKindOfClass
+{
+    STAssertTrue([mock isKindOfClass:[NSString class]], @"Should have pretended to be the mocked class.");
+}
+
+- (void)testWorksWithTypeQualifiers
+{
+	id myMock = [OCMockObject mockForProtocol:@protocol(ProtocolWithTypeQualifierMethod)];
+	
+	STAssertNoThrow([[myMock expect] aSpecialMethod:"foo"], @"Should not complain about method with type qualifiers.");
+	STAssertNoThrow([myMock aSpecialMethod:"foo"], @"Should not complain about method with type qualifiers.");
+}
+
+
+- (void)testAdjustsRetainCountWhenStubbingMethodsThatCreateObjects
+{
+    NSString *objectToReturn = [NSString stringWithFormat:@"This is not a %@.", @"string constant"];
+    [[[mock stub] andReturn:objectToReturn] mutableCopy];
+
+    NSUInteger retainCountBefore = [objectToReturn retainCount];
+    id returnedObject = [mock mutableCopy];
+    [returnedObject release]; // the expectation is that we have to call release after a copy
+    NSUInteger retainCountAfter = [objectToReturn retainCount];
+
+    STAssertEqualObjects(objectToReturn, returnedObject, @"Should not stubbed copy method");
+    STAssertEquals(retainCountBefore, retainCountAfter, @"Should have incremented retain count in copy stub.");
+}
+
+
+// --------------------------------------------------------------------------------------
+//  some internal tests
+// --------------------------------------------------------------------------------------
+
+- (void)testReRaisesFailFastExceptionsOnVerify
+{
+	@try
+	{
+		[mock lowercaseString];
+	}
+	@catch(NSException *exception)
+	{
+		// expected
+	}
+	STAssertThrows([mock verify], @"Should have reraised the exception.");
+}
+
+- (void)testReRaisesRejectExceptionsOnVerify
+{
+	mock = [OCMockObject niceMockForClass:[NSString class]];
+	[[mock reject] uppercaseString];
+	@try
+	{
+		[mock uppercaseString];
+	}
+	@catch(NSException *exception)
+	{
+		// expected
+	}
+	STAssertThrows([mock verify], @"Should have reraised the exception.");
+}
+
+
+- (void)testCanCreateExpectationsAfterInvocations
+{
+	[[mock expect] lowercaseString];
+	[mock lowercaseString];
+	[mock expect];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.h
new file mode 100644
index 0000000..893e13c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.h
@@ -0,0 +1,13 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2008 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface OCMockRecorderTests : SenTestCase 
+{
+	NSInvocation *testInvocation;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.m
new file mode 100644
index 0000000..68c2836
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockRecorderTests.m
@@ -0,0 +1,81 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2004-2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import "OCMockRecorderTests.h"
+#import <OCMock/OCMockRecorder.h>
+#import "OCMReturnValueProvider.h"
+#import "OCMExceptionReturnValueProvider.h"
+
+
+@implementation OCMockRecorderTests
+
+- (void)setUp
+{
+	NSMethodSignature *signature;
+ 
+	signature = [NSString instanceMethodSignatureForSelector:@selector(initWithString:)];
+	testInvocation = [NSInvocation invocationWithMethodSignature:signature];
+	[testInvocation setSelector:@selector(initWithString:)];
+}
+
+
+- (void)testStoresAndMatchesInvocation
+{
+	OCMockRecorder *recorder;
+	NSString	   *arg;
+	
+	arg = @"I love mocks.";
+	[testInvocation setArgument:&arg atIndex:2];
+	
+	recorder = [[[OCMockRecorder alloc] initWithSignatureResolver:[NSString string]] autorelease];
+	[(id)recorder initWithString:arg];
+
+	STAssertTrue([recorder matchesInvocation:testInvocation], @"Should match.");
+}
+
+
+- (void)testOnlyMatchesInvocationWithRightArguments
+{
+	OCMockRecorder *recorder;
+	NSString	   *arg;
+	
+	arg = @"I love mocks.";
+	[testInvocation setArgument:&arg atIndex:2];
+	
+	recorder = [[[OCMockRecorder alloc] initWithSignatureResolver:[NSString string]] autorelease];
+	[(id)recorder initWithString:@"whatever"];
+	
+	STAssertFalse([recorder matchesInvocation:testInvocation], @"Should not match.");
+}
+
+
+- (void)testAddsReturnValueProvider
+{
+	OCMockRecorder *recorder;
+	NSArray		   *handlerList;
+
+	recorder = [[[OCMockRecorder alloc] initWithSignatureResolver:[NSString string]] autorelease];
+	[recorder andReturn:@"foo"];
+	handlerList = [recorder invocationHandlers];
+	
+	STAssertEquals((NSUInteger)1, [handlerList count], @"Should have added one handler.");
+	STAssertEqualObjects([OCMReturnValueProvider class], [[handlerList objectAtIndex:0] class], @"Should have added correct handler.");
+}
+
+- (void)testAddsExceptionReturnValueProvider
+{
+	OCMockRecorder	*recorder;
+	NSArray			*handlerList;
+	
+	recorder = [[[OCMockRecorder alloc] initWithSignatureResolver:[NSString string]] autorelease];
+	[recorder andThrow:[NSException exceptionWithName:@"TestException" reason:@"A reason" userInfo:nil]];
+	handlerList = [recorder invocationHandlers];
+
+	STAssertEquals((NSUInteger)1, [handlerList count], @"Should have added one handler.");
+	STAssertEqualObjects([OCMExceptionReturnValueProvider class], [[handlerList objectAtIndex:0] class], @"Should have added correct handler.");
+	
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockTests-Info.plist b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockTests-Info.plist
new file mode 100644
index 0000000..a409125
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCMockTests-Info.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.mulle-kybernetik.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.h b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.h
new file mode 100644
index 0000000..6a41a67
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.h
@@ -0,0 +1,16 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <SenTestingKit/SenTestingKit.h>
+
+
+@interface OCObserverMockObjectTest : SenTestCase 
+{
+	NSNotificationCenter *center;
+	
+	id mock;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.m b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.m
new file mode 100644
index 0000000..7d2c958
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/OCObserverMockObjectTests.m
@@ -0,0 +1,127 @@
+//---------------------------------------------------------------------------------------
+//  $Id$
+//  Copyright (c) 2009 by Mulle Kybernetik. See License file for details.
+//---------------------------------------------------------------------------------------
+
+#import <OCMock/OCMock.h>
+#import "OCObserverMockObjectTests.h"
+
+static NSString *TestNotificationOne = @"TestNotificationOne";
+
+
+@implementation OCObserverMockObjectTest
+
+- (void)setUp
+{
+	center = [[[NSNotificationCenter alloc] init] autorelease];
+	mock = [OCMockObject observerMock]; 
+}
+
+- (void)testAcceptsExpectedNotification
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+    
+    [center postNotificationName:TestNotificationOne object:self];
+	
+    [mock verify];
+}
+
+- (void)testAcceptsExpectedNotificationWithSpecifiedObjectAndUserInfo
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+	NSDictionary *info = [NSDictionary dictionaryWithObject:@"foo" forKey:@"key"];
+    [[mock expect] notificationWithName:TestNotificationOne object:self userInfo:info];
+    
+    [center postNotificationName:TestNotificationOne object:self userInfo:info];
+	
+    [mock verify];
+}
+
+- (void)testAcceptsNotificationsInAnyOrder
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+	[[mock expect] notificationWithName:TestNotificationOne object:self];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+	
+	[center postNotificationName:TestNotificationOne object:[NSString string]];
+	[center postNotificationName:TestNotificationOne object:self];
+}
+
+- (void)testAcceptsNotificationsInCorrectOrderWhenOrderMatters
+{
+	[mock setExpectationOrderMatters:YES];
+
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+	[[mock expect] notificationWithName:TestNotificationOne object:self];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+	
+	[center postNotificationName:TestNotificationOne object:self];
+	[center postNotificationName:TestNotificationOne object:[NSString string]];
+}
+
+- (void)testRaisesExceptionWhenSequenceIsWrongAndOrderMatters
+{
+	[mock setExpectationOrderMatters:YES];
+	
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+	[[mock expect] notificationWithName:TestNotificationOne object:self];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+	
+	STAssertThrows([center postNotificationName:TestNotificationOne object:[NSString string]], @"Should have complained about sequence.");
+}
+
+- (void)testRaisesEvenThoughOverlappingExpectationsCouldHaveBeenSatisfied
+{
+	// this test demonstrates a shortcoming, not a feature
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+	[[mock expect] notificationWithName:TestNotificationOne object:self];
+	
+	[center postNotificationName:TestNotificationOne object:self];
+	STAssertThrows([center postNotificationName:TestNotificationOne object:[NSString string]], nil);
+}
+
+- (void)testRaisesExceptionWhenUnexpectedNotificationIsReceived
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+	
+    STAssertThrows([center postNotificationName:TestNotificationOne object:self], nil);
+}
+
+- (void)testRaisesWhenNotificationWithWrongObjectIsReceived
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:self];
+	
+	STAssertThrows([center postNotificationName:TestNotificationOne object:[NSString string]], nil);
+}
+
+- (void)testRaisesWhenNotificationWithWrongUserInfoIsReceived
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:self 
+							   userInfo:[NSDictionary dictionaryWithObject:@"foo" forKey:@"key"]];
+	STAssertThrows([center postNotificationName:TestNotificationOne object:[NSString string] 
+									   userInfo:[NSDictionary dictionaryWithObject:@"bar" forKey:@"key"]], nil);
+}
+
+- (void)testRaisesOnVerifyWhenExpectedNotificationIsNotSent
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+
+	STAssertThrows([mock verify], nil);
+}
+
+- (void)testRaisesOnVerifyWhenNotAllNotificationsWereSent
+{
+	[center addMockObserver:mock name:TestNotificationOne object:nil];
+    [[mock expect] notificationWithName:TestNotificationOne object:[OCMArg any]];
+	[[mock expect] notificationWithName:TestNotificationOne object:self];
+
+	[center postNotificationName:TestNotificationOne object:self];
+	STAssertThrows([mock verify], nil);
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/en.lproj/InfoPlist.strings b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/en.lproj/InfoPlist.strings
new file mode 100644
index 0000000..477b28f
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Source/OCMockTests/en.lproj/InfoPlist.strings
@@ -0,0 +1,2 @@
+/* Localized versions of Info.plist keys */
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OCMock/Tools/build.rb b/Vendor/facebook-ios-sdk/vendor/OCMock/Tools/build.rb
new file mode 100755
index 0000000..3690381
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OCMock/Tools/build.rb
@@ -0,0 +1,165 @@
+#!/usr/bin/env ruby
+   
+class Builder
+
+    def initialize
+        @env = Environment.new()
+        @worker = CompositeWorker.new([Logger.new(), Executer.new()])
+    end              
+    
+    def makeRelease
+      createWorkingDirectories
+      downloadSource
+      copySource
+      buildModules
+      createPackage "ocmock-2.1.1.dmg", "OCMock 2.1.1" 
+      openPackageDir
+    end
+    
+    def justBuild
+      createWorkingDirectories
+      downloadSource
+      buildModules
+      openPackageDir
+    end
+    
+    def createWorkingDirectories
+        @worker.run("mkdir -p #{@env.sourcedir}")
+        @worker.run("mkdir -p #{@env.productdir}")
+        @worker.run("mkdir -p #{@env.packagedir}")
+    end
+    
+    def downloadSource
+        @worker.run("git archive master | tar -x -v -C #{@env.sourcedir}")
+    end
+
+    def copySource
+        @worker.run("cp -R #{@env.sourcedir}/Source #{@env.productdir}")
+    end
+
+    def buildModules
+        @worker.chdir("#{@env.sourcedir}/Source")
+        @worker.run("xcodebuild -project OCMock.xcodeproj -target OCMock")         
+        osxproductdir = "#{@env.productdir}/OSX"                                        
+        @worker.run("mkdir -p #{osxproductdir}")
+        @worker.run("cp -R build/Release/OCMock.framework #{osxproductdir}")    
+        @worker.run("xcodebuild -project OCMock.xcodeproj -target OCMockLib -sdk iphoneos6.1")                                                 
+        @worker.run("xcodebuild -project OCMock.xcodeproj -target OCMockLib -sdk iphonesimulator6.1")                                                 
+        @worker.run("lipo -create -output build/Release/libOCMock.a build/Release-*/libOCMock.a")      
+        iosproductdir = "#{@env.productdir}/iOS"                                           
+        @worker.run("mkdir -p #{iosproductdir}")
+        @worker.run("cp -R build/Release/libOCMock.a #{iosproductdir}")      
+        @worker.run("cp -R build/Release-iphoneos/OCMock #{iosproductdir}")      
+    end
+
+    def createPackage(packagename, volumename)    
+        @worker.chdir(@env.packagedir)  
+        @worker.run("hdiutil create -size 4m temp.dmg -layout NONE") 
+        disk_id = nil
+        @worker.run("hdid -nomount temp.dmg") { |hdid| disk_id = hdid.readline.split[0] }
+        @worker.run("newfs_hfs -v '#{volumename}' #{disk_id}")
+        @worker.run("hdiutil eject #{disk_id}")
+        @worker.run("hdid temp.dmg") { |hdid| disk_id = hdid.readline.split[0] }
+        @worker.run("cp -R #{@env.productdir}/* '/Volumes/#{volumename}'")
+        @worker.run("hdiutil eject #{disk_id}")
+        @worker.run("hdiutil convert -format UDZO temp.dmg -o #{@env.packagedir}/#{packagename} -imagekey zlib-level=9")
+        @worker.run("hdiutil internet-enable -yes #{@env.packagedir}/#{packagename}")
+        @worker.run("rm temp.dmg")
+    end           
+    
+    def openPackageDir
+        @worker.run("open #{@env.packagedir}") 
+    end
+    
+    def upload(packagename, dest)
+        @worker.run("scp #{@env.packagedir}/#{packagename} #{dest}")
+    end
+    
+    def cleanup
+        @worker.run("chmod -R u+w #{@env.tmpdir}")
+        @worker.run("rm -rf #{@env.tmpdir}");
+    end
+    
+end
+
+
+## Environment
+## use attributes to configure manager for your environment
+
+class Environment
+    def initialize()
+        @tmpdir = "/tmp/ocmock.#{Process.pid}"
+        @sourcedir = tmpdir + "/Source"
+        @productdir = tmpdir + "/Products"
+        @packagedir = tmpdir
+    end
+    
+    attr_accessor :tmpdir, :sourcedir, :productdir, :packagedir
+end
+
+
+## Logger (Worker)
+## prints commands
+
+class Logger
+    def chdir(dir)
+        puts "## chdir #{dir}"
+    end
+    
+    def run(cmd)
+        puts "## #{cmd}"
+    end
+end
+
+
+## Executer (Worker)
+## actually runs commands
+
+class Executer
+    def chdir(dir)
+        Dir.chdir(dir)
+    end
+
+    def run(cmd, &block)     
+        if block == nil
+          system(cmd)
+        else
+          IO.popen(cmd, &block)
+        end
+    end
+end
+
+
+## Composite Worker (Worker)
+## sends commands to multiple workers
+
+class CompositeWorker
+    def initialize(workers)
+        @workers = workers
+    end
+    
+    def chdir(dir)
+        @workers.each { |w| w.chdir(dir) }
+    end
+
+    def run(cmd)
+         @workers.each { |w| w.run(cmd) }
+    end
+ 
+    def run(cmd, &block)
+         @workers.each { |w| w.run(cmd, &block) }
+    end
+end    
+
+
+if /Tools$/.match(Dir.pwd)
+  Dir.chdir("..")
+end
+
+if ARGV[0] == '-r' 
+  Builder.new.makeRelease
+else
+  Builder.new.justBuild
+end
+
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitignore b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitignore
new file mode 100644
index 0000000..8bd5fca
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitignore
@@ -0,0 +1,13 @@
+# Xcode
+build/*
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+profile
+*.moved-aside
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitmodules b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitmodules
new file mode 100644
index 0000000..6d2b0fb
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "OHHTTPStubs/UnitTests/AFNetworking"]
+	path = OHHTTPStubs/UnitTests/AFNetworking
+	url = http://github.com/AFNetworking/AFNetworking.git
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/LICENSE b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/LICENSE
new file mode 100644
index 0000000..a63bf59
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/LICENSE
@@ -0,0 +1,29 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
+ ***********************************************************************************
+ *
+ * Any comment or suggestion welcome. Referencing this project in your AboutBox is appreciated.
+ * Please tell me if you use this class so we can cross-reference our projects.
+ *
+ ***********************************************************************************/
+ 
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.h
new file mode 100644
index 0000000..2d41295
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.h
@@ -0,0 +1,70 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Imports
+
+#import <Foundation/Foundation.h>
+#import "OHHTTPStubsResponse.h"
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Types
+
+typedef OHHTTPStubsResponse*(^OHHTTPStubsRequestHandler)(NSURLRequest* request, BOOL onlyCheck);
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Interface
+
+@interface OHHTTPStubs : NSObject
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Singleton methods
+
++ (OHHTTPStubs*)sharedInstance;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Class Methods
+
+//! Commmodity method: calls instance method on sharedInstance directly
+
+// same as addRequestHandler but process the checking and the building of the actual stub in separate blocks for performance
++(id)shouldStubRequestsPassingTest:(BOOL(^)(NSURLRequest* request))shouldReturnStubForRequest
+                  withStubResponse:(OHHTTPStubsResponse*(^)(NSURLRequest* request))handler;
+
++(id)addRequestHandler:(OHHTTPStubsRequestHandler)handler;
++(BOOL)removeRequestHandler:(id)handler;
++(void)removeLastRequestHandler;
++(void)removeAllRequestHandlers;
++(void)setEnabled:(BOOL)enabled;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Instance Methods
+
+-(id)addRequestHandler:(OHHTTPStubsRequestHandler)handler;
+-(BOOL)removeRequestHandler:(id)handler;
+-(void)removeLastRequestHandler;
+-(void)removeAllRequestHandlers;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.m
new file mode 100644
index 0000000..4ee0849
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.m
@@ -0,0 +1,302 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Imports
+
+#import "OHHTTPStubs.h"
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Types
+
+@interface OHHTTPStubsProtocol : NSURLProtocol @end
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Private Interface
+
+@interface OHHTTPStubs()
+@property(nonatomic, retain) NSMutableArray* requestHandlers;
+@end
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Implementation
+
+@implementation OHHTTPStubs
+@synthesize requestHandlers = _requestHandlers;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Singleton methods
+
++ (OHHTTPStubs*)sharedInstance
+{
+    static OHHTTPStubs *sharedInstance = nil;
+    
+    static dispatch_once_t predicate;
+    dispatch_once(&predicate, ^{
+        sharedInstance = [[self alloc] init];
+    });
+    
+    return sharedInstance;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Setup & Teardown
+
+- (id)init
+{
+    self = [super init];
+    if (self)
+    {
+        self.requestHandlers = [NSMutableArray array];
+        [[self class] setEnabled:YES];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [[self class] setEnabled:NO];
+    self.requestHandlers = nil;
+#if ! __has_feature(objc_arc)
+    [super dealloc];
+#endif
+}
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Public class methods
+
+// Commodity methods
++(id)shouldStubRequestsPassingTest:(BOOL(^)(NSURLRequest* request))shouldReturnStubForRequest
+                  withStubResponse:(OHHTTPStubsResponse*(^)(NSURLRequest* request))requestHandler
+{
+    return [self addRequestHandler:^OHHTTPStubsResponse *(NSURLRequest *request, BOOL onlyCheck)
+    {
+        BOOL shouldStub = shouldReturnStubForRequest ? shouldReturnStubForRequest(request) : YES;
+        if (onlyCheck)
+        {
+            return shouldStub ? OHHTTPStubsResponseUseStub : OHHTTPStubsResponseDontUseStub;
+        }
+        else
+        {
+            return (requestHandler && shouldStub) ? requestHandler(request) : nil;
+        }
+    }];
+}
+
++(id)addRequestHandler:(OHHTTPStubsRequestHandler)handler
+{
+    return [[self sharedInstance] addRequestHandler:handler];
+}
++(BOOL)removeRequestHandler:(id)handler
+{
+    return [[self sharedInstance] removeRequestHandler:handler];
+}
++(void)removeLastRequestHandler
+{
+    [[self sharedInstance] removeLastRequestHandler];
+}
++(void)removeAllRequestHandlers
+{
+    [[self sharedInstance] removeAllRequestHandlers];
+}
+
++(void)setEnabled:(BOOL)enabled
+{
+    if (enabled)
+    {
+        [NSURLProtocol registerClass:[OHHTTPStubsProtocol class]];
+    }
+    else
+    {
+        // Force instanciate sharedInstance to avoid it being created later and this turning setEnabled to YES again
+        (void)[self sharedInstance]; // This way if we call [setEnabled:NO] before any call to sharedInstance it will be kept disabled
+        [NSURLProtocol unregisterClass:[OHHTTPStubsProtocol class]];
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Public instance methods
+
+-(id)addRequestHandler:(OHHTTPStubsRequestHandler)handler
+{
+    OHHTTPStubsRequestHandler handlerCopy = [handler copy];
+    [self.requestHandlers addObject:handlerCopy];
+#if ! __has_feature(objc_arc)
+    [handlerCopy autorelease];
+#endif
+    return handlerCopy;
+}
+
+-(BOOL)removeRequestHandler:(id)handler
+{
+    BOOL handlerFound = [self.requestHandlers containsObject:handler];
+    [self.requestHandlers removeObject:handler];
+    return handlerFound;
+}
+-(void)removeLastRequestHandler
+{
+    [self.requestHandlers removeLastObject];
+}
+
+-(void)removeAllRequestHandlers
+{
+    [self.requestHandlers removeAllObjects];
+}
+
+@end
+
+
+
+
+
+
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Private Protocol Class
+
+// Undocumented initializer obtained by class-dump
+// Don't use this in production code destined for the App Store
+#if ! DEBUG
+#warning This code uses a private method: use only for you app testing. Don't use OHHTTPStubs when publishing your app on the App Store.
+#endif
+
+@interface NSHTTPURLResponse(UndocumentedInitializer)
+- (id)initWithURL:(NSURL*)URL
+       statusCode:(NSInteger)statusCode
+     headerFields:(NSDictionary*)headerFields
+      requestTime:(double)requestTime;
+@end
+
+@implementation OHHTTPStubsProtocol
+
++ (BOOL)canInitWithRequest:(NSURLRequest *)request
+{
+    NSArray* requestHandlers = [OHHTTPStubs sharedInstance].requestHandlers;
+    id response = nil;
+    for(OHHTTPStubsRequestHandler handler in [requestHandlers reverseObjectEnumerator])
+    {
+        response = handler(request, YES);
+        if (response) break;
+    }
+    return (response != nil);
+}
+
++ (NSURLRequest *)canonicalRequestForRequest:(NSURLRequest *)request
+{
+	return request;
+}
+
+- (NSCachedURLResponse *)cachedResponse
+{
+	return nil;
+}
+
+- (void)startLoading
+{
+    NSURLRequest* request = [self request];
+	id<NSURLProtocolClient> client = [self client];
+    
+    OHHTTPStubsResponse* responseStub = nil;
+    NSArray* requestHandlers = [OHHTTPStubs sharedInstance].requestHandlers;
+    for(OHHTTPStubsRequestHandler handler in [requestHandlers reverseObjectEnumerator])
+    {
+        responseStub = handler(request, NO);
+        if (responseStub) break;
+    }
+    
+    if (responseStub.error == nil)
+    {
+        // Send the fake data
+        
+        NSTimeInterval canonicalResponseTime = responseStub.responseTime;
+        if (canonicalResponseTime<0)
+        {
+            // Interpret it as a bandwidth in KB/s ( -2 => 2KB/s )
+            double bandwidth = -canonicalResponseTime * 1000.0; // in bytes per second
+            canonicalResponseTime = responseStub.responseData.length / bandwidth;
+        }
+        NSTimeInterval requestTime = canonicalResponseTime * 0.1;
+        NSTimeInterval responseTime = canonicalResponseTime - requestTime;
+        
+        NSHTTPURLResponse* urlResponse = [[NSHTTPURLResponse alloc] initWithURL:request.URL
+                                                                     statusCode:responseStub.statusCode
+                                                                   headerFields:responseStub.httpHeaders
+                                                                    requestTime:requestTime];
+        
+        // Cookies handling
+        if (request.HTTPShouldHandleCookies)
+        {
+            NSArray* cookies = [NSHTTPCookie cookiesWithResponseHeaderFields:responseStub.httpHeaders forURL:request.URL];
+            [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookies:cookies forURL:request.URL mainDocumentURL:request.mainDocumentURL];
+        }
+        
+        execute_after(requestTime,^{
+            [client URLProtocol:self didReceiveResponse:urlResponse cacheStoragePolicy:NSURLCacheStorageNotAllowed];
+            
+            execute_after(responseTime,^{
+                [client URLProtocol:self didLoadData:responseStub.responseData];
+                [client URLProtocolDidFinishLoading:self];
+            });
+        });
+#if ! __has_feature(objc_arc)
+        [urlResponse autorelease];
+#endif
+    } else {
+        // Send the canned error
+        execute_after(responseStub.responseTime, ^{
+            [client URLProtocol:self didFailWithError:responseStub.error];
+        });
+    }
+}
+
+- (void)stopLoading
+{
+
+}
+
+/////////////////////////////////////////////
+// Delayed execution utility methods
+/////////////////////////////////////////////
+
+//! execute the block on the current NSRunLoop after a given amount of seconds
+void execute_after(NSTimeInterval delayInSeconds, dispatch_block_t block)
+{
+    /* We know that -[NSURLProtocol startLoading] is called on a dedicated thread that has a runloop, so that there is no problem firing a timer here
+       @note We use the '-invoke' method (private API) because it is handy and OHHTTPStubs will never be used in production code anyway
+     */
+    dispatch_block_t blockCopy = [block copy];
+    [NSTimer scheduledTimerWithTimeInterval:delayInSeconds target:blockCopy selector:@selector(invoke) userInfo:nil repeats:NO];
+#if ! __has_feature(objc_arc)
+    [blockCopy autorelease];
+#endif
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..acc9df2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/project.pbxproj
@@ -0,0 +1,423 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		09739F2C16900E81009851EF /* AFNetworkingTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 09739F2B16900E81009851EF /* AFNetworkingTests.m */; };
+		0979357D161B6251006DB5D5 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0979357C161B6251006DB5D5 /* Foundation.framework */; };
+		0979359B161B62C0006DB5D5 /* OHHTTPStubs.m in Sources */ = {isa = PBXBuildFile; fileRef = 09793598161B62C0006DB5D5 /* OHHTTPStubs.m */; };
+		0979359C161B62C0006DB5D5 /* OHHTTPStubsResponse.m in Sources */ = {isa = PBXBuildFile; fileRef = 0979359A161B62C0006DB5D5 /* OHHTTPStubsResponse.m */; };
+		0979359E161B62EF006DB5D5 /* OHHTTPStubs.h in Headers */ = {isa = PBXBuildFile; fileRef = 09793597161B62C0006DB5D5 /* OHHTTPStubs.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		0979359F161B62EF006DB5D5 /* OHHTTPStubsResponse.h in Headers */ = {isa = PBXBuildFile; fileRef = 09793599161B62C0006DB5D5 /* OHHTTPStubsResponse.h */; settings = {ATTRIBUTES = (Public, ); }; };
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/xcshareddata/xcschemes/OHHTTPStubs.xcscheme b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/xcshareddata/xcschemes/OHHTTPStubs.xcscheme
new file mode 100644
index 0000000..a7c83be
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubs.xcodeproj/xcshareddata/xcschemes/OHHTTPStubs.xcscheme
@@ -0,0 +1,74 @@
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+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
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+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "098368CD168FC7920082B1A4"
+               BuildableName = "UnitTests.octest"
+               BlueprintName = "UnitTests"
+               ReferencedContainer = "container:OHHTTPStubs.xcodeproj">
+            </BuildableReference>
+            <SkippedTests>
+               <Test
+                  Identifier = "AsyncSenTestCase">
+               </Test>
+            </SkippedTests>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.h
new file mode 100644
index 0000000..0a45af4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.h
@@ -0,0 +1,86 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Imports
+
+#import <Foundation/Foundation.h>
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Defines & Constants
+
+#define OHHTTPStubsResponseUseStub (OHHTTPStubsResponse*)@"DummyStub"
+#define OHHTTPStubsResponseDontUseStub (OHHTTPStubsResponse*)nil
+
+// Standard download speeds.
+extern const double
+OHHTTPStubsDownloadSpeedGPRS,
+OHHTTPStubsDownloadSpeedEDGE,
+OHHTTPStubsDownloadSpeed3G,
+OHHTTPStubsDownloadSpeed3GPlus,
+OHHTTPStubsDownloadSpeedWifi;
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Interface
+
+@interface OHHTTPStubsResponse : NSObject
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Properties
+
+@property(nonatomic, retain) NSDictionary* httpHeaders;
+@property(nonatomic, assign) int statusCode;
+@property(nonatomic, retain) NSData* responseData;
+//! @note if responseTime<0, it is interpreted as a download speed in KBps ( -200 => 200KB/s )
+@property(nonatomic, assign) NSTimeInterval responseTime;
+@property(nonatomic, retain) NSError* error;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Class Methods
+
++(OHHTTPStubsResponse*)responseWithData:(NSData*)data
+                             statusCode:(int)statusCode
+                           responseTime:(NSTimeInterval)responseTime
+                                headers:(NSDictionary*)httpHeaders;
++(OHHTTPStubsResponse*)responseWithFile:(NSString*)fileName
+                             statusCode:(int)statusCode
+                           responseTime:(NSTimeInterval)responseTime
+                                headers:(NSDictionary*)httpHeaders;
++(OHHTTPStubsResponse*)responseWithFile:(NSString*)fileName
+                            contentType:(NSString*)contentType
+                           responseTime:(NSTimeInterval)responseTime;
++(OHHTTPStubsResponse*)responseWithError:(NSError*)error;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Instance Methods
+
+-(OHHTTPStubsResponse*)initWithData:(NSData*)data
+                         statusCode:(int)statusCode
+                       responseTime:(NSTimeInterval)responseTime
+                            headers:(NSDictionary*)httpHeaders;
+-(OHHTTPStubsResponse*)initWithError:(NSError*)error;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.m
new file mode 100644
index 0000000..301b95c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/OHHTTPStubsResponse.m
@@ -0,0 +1,142 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Imports
+
+#import "OHHTTPStubsResponse.h"
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Defines & Constants
+
+const double OHHTTPStubsDownloadSpeedGPRS   =-    56 / 8; // kbps -> KB/s
+const double OHHTTPStubsDownloadSpeedEDGE   =-   128 / 8; // kbps -> KB/s
+const double OHHTTPStubsDownloadSpeed3G     =-  3200 / 8; // kbps -> KB/s
+const double OHHTTPStubsDownloadSpeed3GPlus =-  7200 / 8; // kbps -> KB/s
+const double OHHTTPStubsDownloadSpeedWifi   =- 12000 / 8; // kbps -> KB/s
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Implementation
+
+@implementation OHHTTPStubsResponse
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Synthesize
+
+@synthesize httpHeaders = httpHeaders_;
+@synthesize statusCode = statusCode_;
+@synthesize responseData = responseData_;
+@synthesize responseTime = _responseTime;
+@synthesize error = error_;
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Setup & Teardown
+
+-(OHHTTPStubsResponse*)initWithData:(NSData*)data
+                         statusCode:(int)statusCode
+                       responseTime:(NSTimeInterval)responseTime
+                            headers:(NSDictionary*)httpHeaders
+{
+    self = [super init];
+    if (self) {
+        self.responseData = data;
+        self.statusCode = statusCode;
+        self.httpHeaders = httpHeaders;
+        self.responseTime = responseTime;
+    }
+    return self;
+}
+
+-(OHHTTPStubsResponse*)initWithError:(NSError*)error
+{
+    self = [super init];
+    if (self) {
+        self.error = error;
+    }
+    return self;
+}
+
+#if ! __has_feature(objc_arc)
+-(void)dealloc
+{
+    self.httpHeaders = nil;
+    self.statusCode = 0;
+    self.responseData = nil;
+    self.responseTime = 0;
+    self.error = nil;
+    [super dealloc];
+}
+#endif
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Class Methods
+
++(OHHTTPStubsResponse*)responseWithData:(NSData*)data
+                             statusCode:(int)statusCode
+                           responseTime:(NSTimeInterval)responseTime
+                                headers:(NSDictionary*)httpHeaders
+{
+    OHHTTPStubsResponse* response = [[self alloc] initWithData:data
+                                                    statusCode:statusCode
+                                                  responseTime:responseTime
+                                                       headers:httpHeaders];
+#if ! __has_feature(objc_arc)
+    [response autorelease];
+#endif
+    return response;
+}
+
++(OHHTTPStubsResponse*)responseWithFile:(NSString*)fileName
+                             statusCode:(int)statusCode
+                           responseTime:(NSTimeInterval)responseTime
+                                headers:(NSDictionary*)httpHeaders
+{
+    NSString* basename = [fileName stringByDeletingPathExtension];
+    NSString* extension = [fileName pathExtension];
+	NSString* filePath = [[NSBundle bundleForClass:[self class]] pathForResource:basename ofType:extension];
+    NSData* data = [NSData dataWithContentsOfFile:filePath];
+    return [self responseWithData:data statusCode:statusCode responseTime:responseTime headers:httpHeaders];
+}
+
++(OHHTTPStubsResponse*)responseWithFile:(NSString*)fileName
+                            contentType:(NSString*)contentType
+                           responseTime:(NSTimeInterval)responseTime
+{
+    NSDictionary* headers = [NSDictionary dictionaryWithObject:contentType forKey:@"Content-Type"];
+    return [self responseWithFile:fileName statusCode:200 responseTime:responseTime headers:headers];
+}
+
+
++(OHHTTPStubsResponse*)responseWithError:(NSError*)error
+{
+    OHHTTPStubsResponse* response = [[self  alloc] initWithError:error];
+#if ! __has_feature(objc_arc)
+    [response autorelease];
+#endif
+    return response;
+}
+
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/PortableLibrary.xcconfig b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/PortableLibrary.xcconfig
new file mode 100644
index 0000000..41d8bf8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/PortableLibrary.xcconfig
@@ -0,0 +1,19 @@
+//
+// PortableLibrary.xcconfig
+// http://mrox.net/blog/2011/06/19/framework-like-static-libraries/
+//
+// Global configuration settings to generate a portable static library that will
+//  - Compile gracefully in both Build and in Archive processes
+//  - Reduce at its maximum the integration in the client application
+//
+// To integrate the library in your client application
+//  - Add the library xcodeproj to your application's workspace
+//  - Add the library to the "Link Binary With Libraries" section of the "Build Phase" tab of your application project
+//  - use #import <LibraryName/Header.h> in your client files
+//
+
+PUBLIC_HEADERS_FOLDER_PATH = include/$(PROJECT_NAME)
+INSTALL_PATH               = /../BuildProductsPath/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)/
+OTHER_LDFLAGS              = -ObjC
+
+// NOTE: be sure to configure SKIP_INSTALL to YES in Debug and NO in Release in this library project
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/.gitignore b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/.gitignore
new file mode 100644
index 0000000..89c499e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/.gitignore
@@ -0,0 +1,18 @@
+# Xcode
+.DS_Store
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+*.xcworkspace
+!default.xcworkspace
+xcuserdata
+profile
+*.moved-aside
+DerivedData
+.idea/
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking.podspec b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking.podspec
new file mode 100644
index 0000000..8c6affc
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking.podspec
@@ -0,0 +1,28 @@
+Pod::Spec.new do |s|
+  s.name     = 'AFNetworking'
+  s.version  = '1.1.0'
+  s.license  = 'MIT'
+  s.summary  = 'A delightful iOS and OS X networking framework.'
+  s.homepage = 'https://github.com/AFNetworking/AFNetworking'
+  s.authors  = { 'Mattt Thompson' => 'm@mattt.me', 'Scott Raymond' => 'sco@gowalla.com' }
+  s.source   = { :git => 'https://github.com/AFNetworking/AFNetworking.git', :tag => '1.1.0' }
+  s.source_files = 'AFNetworking'
+  s.requires_arc = true
+
+  s.ios.deployment_target = '5.0'
+  s.ios.frameworks = 'MobileCoreServices', 'SystemConfiguration'
+
+  s.osx.deployment_target = '10.7'
+  s.osx.frameworks = 'CoreServices', 'SystemConfiguration'
+
+  s.prefix_header_contents = <<-EOS
+#import <Availability.h>
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+  #import <SystemConfiguration/SystemConfiguration.h>
+  #import <MobileCoreServices/MobileCoreServices.h>
+#else
+  #import <SystemConfiguration/SystemConfiguration.h>
+  #import <CoreServices/CoreServices.h>
+#endif
+EOS
+end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.h
new file mode 100644
index 0000000..68c6de8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.h
@@ -0,0 +1,581 @@
+// AFHTTPClient.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import <Availability.h>
+
+/**
+ `AFHTTPClient` captures the common patterns of communicating with an web application over HTTP. It encapsulates information like base URL, authorization credentials, and HTTP headers, and uses them to construct and manage the execution of HTTP request operations.
+ 
+ ## Automatic Content Parsing
+ 
+ Instances of `AFHTTPClient` may specify which types of requests it expects and should handle by registering HTTP operation classes for automatic parsing. Registered classes will determine whether they can handle a particular request, and then construct a request operation accordingly in `enqueueHTTPRequestOperationWithRequest:success:failure`.
+ 
+ ## Subclassing Notes
+ 
+ In most cases, one should create an `AFHTTPClient` subclass for each website or web application that your application communicates with. It is often useful, also, to define a class method that returns a singleton shared HTTP client in each subclass, that persists authentication credentials and other configuration across the entire application.
+ 
+ ## Methods to Override
+ 
+ To change the behavior of all url request construction for an `AFHTTPClient` subclass, override `requestWithMethod:path:parameters`.
+ 
+ To change the behavior of all request operation construction for an `AFHTTPClient` subclass, override `HTTPRequestOperationWithRequest:success:failure`.
+ 
+ ## Default Headers
+ 
+ By default, `AFHTTPClient` sets the following HTTP headers:
+ 
+ - `Accept-Language: (comma-delimited preferred languages), en-us;q=0.8`
+ - `User-Agent: (generated user agent)`
+ 
+ You can override these HTTP headers or define new ones using `setDefaultHeader:value:`.
+ 
+ ## URL Construction Using Relative Paths
+ 
+ Both `-requestWithMethod:path:parameters:` and `-multipartFormRequestWithMethod:path:parameters:constructingBodyWithBlock:` construct URLs from the path relative to the `-baseURL`, using `NSURL +URLWithString:relativeToURL:`. Below are a few examples of how `baseURL` and relative paths interact:
+ 
+    NSURL *baseURL = [NSURL URLWithString:@"http://example.com/v1/"];  
+    [NSURL URLWithString:@"foo" relativeToURL:baseURL];                  // http://example.com/v1/foo
+    [NSURL URLWithString:@"foo?bar=baz" relativeToURL:baseURL];          // http://example.com/v1/foo?bar=baz
+    [NSURL URLWithString:@"/foo" relativeToURL:baseURL];                 // http://example.com/foo
+    [NSURL URLWithString:@"foo/" relativeToURL:baseURL];                 // http://example.com/v1/foo
+    [NSURL URLWithString:@"/foo/" relativeToURL:baseURL];                // http://example.com/foo/
+    [NSURL URLWithString:@"http://example2.com/" relativeToURL:baseURL]; // http://example2.com/
+
+ Also important to note is that a trailing slash will be added to any `baseURL` without one, which would otherwise cause unexpected behavior when constructing URLs using paths without a leading slash.
+
+ ## NSCoding / NSCopying Conformance
+ 
+ `AFHTTPClient`  conforms to the `NSCoding` and `NSCopying` protocols, allowing operations to be archived to disk, and copied in memory, respectively. There are a few minor caveats to keep in mind, however:
+ 
+ - Archives and copies of HTTP clients will be initialized with an empty operation queue.
+ - NSCoding cannot serialize / deserialize block properties, so an archive of an HTTP client will not include any reachability callback block that may be set.
+ */
+
+#ifdef _SYSTEMCONFIGURATION_H
+typedef enum {
+    AFNetworkReachabilityStatusUnknown          = -1,
+    AFNetworkReachabilityStatusNotReachable     = 0,
+    AFNetworkReachabilityStatusReachableViaWWAN = 1,
+    AFNetworkReachabilityStatusReachableViaWiFi = 2,
+} AFNetworkReachabilityStatus;
+#else
+    #warning SystemConfiguration framework not found in project, or not included in precompiled header. Network reachability functionality will not be available.
+#endif
+
+#ifndef __UTTYPE__
+    #if __IPHONE_OS_VERSION_MIN_REQUIRED
+        #warning MobileCoreServices framework not found in project, or not included in precompiled header. Automatic MIME type detection when uploading files in multipart requests will not be available.
+    #else
+        #warning CoreServices framework not found in project, or not included in precompiled header. Automatic MIME type detection when uploading files in multipart requests will not be available.
+    #endif
+#endif
+
+typedef enum {
+    AFFormURLParameterEncoding,
+    AFJSONParameterEncoding,
+    AFPropertyListParameterEncoding,
+} AFHTTPClientParameterEncoding;
+
+@class AFHTTPRequestOperation;
+@protocol AFMultipartFormData;
+
+@interface AFHTTPClient : NSObject <NSCoding, NSCopying>
+
+///---------------------------------------
+/// @name Accessing HTTP Client Properties
+///---------------------------------------
+
+/**
+ The url used as the base for paths specified in methods such as `getPath:parameters:success:failure`
+ */
+@property (readonly, nonatomic) NSURL *baseURL;
+
+/**
+ The string encoding used in constructing url requests. This is `NSUTF8StringEncoding` by default.
+ */
+@property (nonatomic, assign) NSStringEncoding stringEncoding;
+
+/**
+ The `AFHTTPClientParameterEncoding` value corresponding to how parameters are encoded into a request body. This is `AFFormURLParameterEncoding` by default.
+ 
+ @warning Some nested parameter structures, such as a keyed array of hashes containing inconsistent keys (i.e. `@{@"": @[@{@"a" : @(1)}, @{@"b" : @(2)}]}`), cannot be unambiguously represented in query strings. It is strongly recommended that an unambiguous encoding, such as `AFJSONParameterEncoding`, is used when posting complicated or nondeterministic parameter structures.
+ */
+@property (nonatomic, assign) AFHTTPClientParameterEncoding parameterEncoding;
+
+/**
+ The operation queue which manages operations enqueued by the HTTP client.
+ */
+@property (readonly, nonatomic) NSOperationQueue *operationQueue;
+
+/**
+ The reachability status from the device to the current `baseURL` of the `AFHTTPClient`.
+
+  @warning This property requires the `SystemConfiguration` framework. Add it in the active target's "Link Binary With Library" build phase, and add `#import <SystemConfiguration/SystemConfiguration.h>` to the header prefix of the project (`Prefix.pch`).
+ */
+#ifdef _SYSTEMCONFIGURATION_H
+@property (readonly, nonatomic, assign) AFNetworkReachabilityStatus networkReachabilityStatus;
+#endif
+
+///---------------------------------------------
+/// @name Creating and Initializing HTTP Clients
+///---------------------------------------------
+
+/**
+ Creates and initializes an `AFHTTPClient` object with the specified base URL.
+ 
+ @param url The base URL for the HTTP client. This argument must not be `nil`.
+  
+ @return The newly-initialized HTTP client
+ */
++ (instancetype)clientWithBaseURL:(NSURL *)url;
+
+/**
+ Initializes an `AFHTTPClient` object with the specified base URL.
+ 
+ @param url The base URL for the HTTP client. This argument must not be `nil`.
+ 
+ @discussion This is the designated initializer.
+  
+ @return The newly-initialized HTTP client
+ */
+- (id)initWithBaseURL:(NSURL *)url;
+
+///-----------------------------------
+/// @name Managing Reachability Status
+///-----------------------------------
+
+/**
+ Sets a callback to be executed when the network availability of the `baseURL` host changes.
+ 
+ @param block A block object to be executed when the network availability of the `baseURL` host changes.. This block has no return value and takes a single argument which represents the various reachability states from the device to the `baseURL`.
+ 
+ @warning This method requires the `SystemConfiguration` framework. Add it in the active target's "Link Binary With Library" build phase, and add `#import <SystemConfiguration/SystemConfiguration.h>` to the header prefix of the project (`Prefix.pch`).
+ */
+#ifdef _SYSTEMCONFIGURATION_H
+- (void)setReachabilityStatusChangeBlock:(void (^)(AFNetworkReachabilityStatus status))block;
+#endif
+
+///-------------------------------
+/// @name Managing HTTP Operations
+///-------------------------------
+
+/**
+ Attempts to register a subclass of `AFHTTPRequestOperation`, adding it to a chain to automatically generate request operations from a URL request.
+ 
+ @param operationClass The subclass of `AFHTTPRequestOperation` to register
+ 
+ @return `YES` if the registration is successful, `NO` otherwise. The only failure condition is if `operationClass` is not a subclass of `AFHTTPRequestOperation`.
+ 
+ @discussion When `enqueueHTTPRequestOperationWithRequest:success:failure` is invoked, each registered class is consulted in turn to see if it can handle the specific request. The first class to return `YES` when sent a `canProcessRequest:` message is used to create an operation using `initWithURLRequest:` and do `setCompletionBlockWithSuccess:failure:`. There is no guarantee that all registered classes will be consulted. Classes are consulted in the reverse order of their registration. Attempting to register an already-registered class will move it to the top of the list.
+ */
+- (BOOL)registerHTTPOperationClass:(Class)operationClass;
+
+/**
+ Unregisters the specified subclass of `AFHTTPRequestOperation` from the chain of classes consulted when `-requestWithMethod:path:parameters` is called.
+
+ @param operationClass The subclass of `AFHTTPRequestOperation` to register 
+ */
+- (void)unregisterHTTPOperationClass:(Class)operationClass;
+
+///----------------------------------
+/// @name Managing HTTP Header Values
+///----------------------------------
+
+/**
+ Returns the value for the HTTP headers set in request objects created by the HTTP client.
+ 
+ @param header The HTTP header to return the default value for
+ 
+ @return The default value for the HTTP header, or `nil` if unspecified
+ */
+- (NSString *)defaultValueForHeader:(NSString *)header;
+
+/**
+ Sets the value for the HTTP headers set in request objects made by the HTTP client. If `nil`, removes the existing value for that header.
+ 
+ @param header The HTTP header to set a default value for
+ @param value The value set as default for the specified header, or `nil
+ */
+- (void)setDefaultHeader:(NSString *)header value:(NSString *)value;
+
+/**
+ Sets the "Authorization" HTTP header set in request objects made by the HTTP client to a basic authentication value with Base64-encoded username and password. This overwrites any existing value for this header.
+ 
+ @param username The HTTP basic auth username
+ @param password The HTTP basic auth password
+ */
+- (void)setAuthorizationHeaderWithUsername:(NSString *)username password:(NSString *)password;
+
+/**
+ Sets the "Authorization" HTTP header set in request objects made by the HTTP client to a token-based authentication value, such as an OAuth access token. This overwrites any existing value for this header.
+ 
+ @param token The authentication token
+ */
+- (void)setAuthorizationHeaderWithToken:(NSString *)token;
+
+/**
+ Clears any existing value for the "Authorization" HTTP header.
+ */
+- (void)clearAuthorizationHeader;
+
+///-------------------------------
+/// @name Creating Request Objects
+///-------------------------------
+
+/**
+ Creates an `NSMutableURLRequest` object with the specified HTTP method and path.
+ 
+ If the HTTP method is `GET`, `HEAD`, or `DELETE`, the parameters will be used to construct a url-encoded query string that is appended to the request's URL. Otherwise, the parameters will be encoded according to the value of the `parameterEncoding` property, and set as the request body.
+ 
+ @param method The HTTP method for the request, such as `GET`, `POST`, `PUT`, or `DELETE`. This parameter must not be `nil`.
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL. If `nil`, no path will be appended to the base URL.
+ @param parameters The parameters to be either set as a query string for `GET` requests, or the request HTTP body.
+  
+ @return An `NSMutableURLRequest` object 
+ */
+- (NSMutableURLRequest *)requestWithMethod:(NSString *)method 
+                                      path:(NSString *)path 
+                                parameters:(NSDictionary *)parameters;
+
+/**
+ Creates an `NSMutableURLRequest` object with the specified HTTP method and path, and constructs a `multipart/form-data` HTTP body, using the specified parameters and multipart form data block. See http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.2
+ 
+ @param method The HTTP method for the request. This parameter must not be `GET` or `HEAD`, or `nil`.
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and set in the request HTTP body.
+ @param block A block that takes a single argument and appends data to the HTTP body. The block argument is an object adopting the `AFMultipartFormData` protocol. This can be used to upload files, encode HTTP body as JSON or XML, or specify multiple values for the same parameter, as one might for array values.
+  
+ @discussion Multipart form requests are automatically streamed, reading files directly from disk along with in-memory data in a single HTTP body. The resulting `NSMutableURLRequest` object has an `HTTPBodyStream` property, so refrain from setting `HTTPBodyStream` or `HTTPBody` on this request object, as it will clear out the multipart form body stream.
+  
+ @return An `NSMutableURLRequest` object
+ */
+- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
+                                                   path:(NSString *)path
+                                             parameters:(NSDictionary *)parameters
+                              constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block;
+
+///-------------------------------
+/// @name Creating HTTP Operations
+///-------------------------------
+
+/**
+ Creates an `AFHTTPRequestOperation`.
+ 
+ In order to determine what kind of operation is created, each registered subclass conforming to the `AFHTTPClient` protocol is consulted (in reverse order of when they were specified) to see if it can handle the specific request. The first class to return `YES` when sent a `canProcessRequest:` message is used to generate an operation using `HTTPRequestOperationWithRequest:success:failure:`.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ */
+- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)urlRequest
+                                                    success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                                                    failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+///----------------------------------------
+/// @name Managing Enqueued HTTP Operations
+///----------------------------------------
+
+/**
+ Enqueues an `AFHTTPRequestOperation` to the HTTP client's operation queue.
+ 
+ @param operation The HTTP request operation to be enqueued.
+ */
+- (void)enqueueHTTPRequestOperation:(AFHTTPRequestOperation *)operation;
+
+/**
+ Cancels all operations in the HTTP client's operation queue whose URLs match the specified HTTP method and path.
+ 
+ @param method The HTTP method to match for the cancelled requests, such as `GET`, `POST`, `PUT`, or `DELETE`. If `nil`, all request operations with URLs matching the path will be cancelled. 
+ @param path The path appended to the HTTP client base URL to match against the cancelled requests. If `nil`, no path will be appended to the base URL.
+ 
+ @discussion This method only cancels `AFHTTPRequestOperations` whose request URL matches the HTTP client base URL with the path appended. For complete control over the lifecycle of enqueued operations, you can access the `operationQueue` property directly, which allows you to, for instance, cancel operations filtered by a predicate, or simply use `-cancelAllRequests`. Note that the operation queue may include non-HTTP operations, so be sure to check the type before attempting to directly introspect an operation's `request` property.
+ */
+- (void)cancelAllHTTPOperationsWithMethod:(NSString *)method path:(NSString *)path;
+
+///---------------------------------------
+/// @name Batching HTTP Request Operations
+///---------------------------------------
+
+/**
+ Creates and enqueues an `AFHTTPRequestOperation` to the HTTP client's operation queue for each specified request object into a batch. When each request operation finishes, the specified progress block is executed, until all of the request operations have finished, at which point the completion block also executes.
+ 
+ @param urlRequests The `NSURLRequest` objects used to create and enqueue operations.
+ @param progressBlock A block object to be executed upon the completion of each request operation in the batch. This block has no return value and takes two arguments: the number of operations that have already finished execution, and the total number of operations.
+ @param completionBlock A block object to be executed upon the completion of all of the request operations in the batch. This block has no return value and takes a single argument: the batched request operations. 
+ 
+ @discussion Operations are created by passing the specified `NSURLRequest` objects in `requests`, using `-HTTPRequestOperationWithRequest:success:failure:`, with `nil` for both the `success` and `failure` parameters.
+ */
+- (void)enqueueBatchOfHTTPRequestOperationsWithRequests:(NSArray *)urlRequests
+                                          progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock 
+                                        completionBlock:(void (^)(NSArray *operations))completionBlock;
+
+/**
+ Enqueues the specified request operations into a batch. When each request operation finishes, the specified progress block is executed, until all of the request operations have finished, at which point the completion block also executes.
+ 
+ @param operations The request operations used to be batched and enqueued.
+ @param progressBlock A block object to be executed upon the completion of each request operation in the batch. This block has no return value and takes two arguments: the number of operations that have already finished execution, and the total number of operations.
+ @param completionBlock A block object to be executed upon the completion of all of the request operations in the batch. This block has no return value and takes a single argument: the batched request operations. 
+ */
+- (void)enqueueBatchOfHTTPRequestOperations:(NSArray *)operations 
+                              progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock 
+                            completionBlock:(void (^)(NSArray *operations))completionBlock;
+
+///---------------------------
+/// @name Making HTTP Requests
+///---------------------------
+
+/**
+ Creates an `AFHTTPRequestOperation` with a `GET` request, and enqueues it to the HTTP client's operation queue.
+ 
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and appended as the query string for the request URL.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ 
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (void)getPath:(NSString *)path
+     parameters:(NSDictionary *)parameters
+        success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+/**
+ Creates an `AFHTTPRequestOperation` with a `POST` request, and enqueues it to the HTTP client's operation queue.
+ 
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and set in the request HTTP body.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ 
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (void)postPath:(NSString *)path 
+      parameters:(NSDictionary *)parameters 
+         success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+/**
+ Creates an `AFHTTPRequestOperation` with a `PUT` request, and enqueues it to the HTTP client's operation queue.
+ 
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and set in the request HTTP body.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ 
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (void)putPath:(NSString *)path 
+     parameters:(NSDictionary *)parameters 
+        success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+/**
+ Creates an `AFHTTPRequestOperation` with a `DELETE` request, and enqueues it to the HTTP client's operation queue.
+ 
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and appended as the query string for the request URL.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ 
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (void)deletePath:(NSString *)path 
+        parameters:(NSDictionary *)parameters 
+           success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+/**
+ Creates an `AFHTTPRequestOperation` with a `PATCH` request, and enqueues it to the HTTP client's operation queue.
+ 
+ @param path The path to be appended to the HTTP client's base URL and used as the request URL.
+ @param parameters The parameters to be encoded and set in the request HTTP body.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ 
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (void)patchPath:(NSString *)path
+       parameters:(NSDictionary *)parameters 
+          success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+@end
+
+///----------------
+/// @name Constants
+///----------------
+
+/**
+ ### Network Reachability
+ 
+ The following constants are provided by `AFHTTPClient` as possible network reachability statuses. 
+ 
+ enum {
+    AFNetworkReachabilityStatusUnknown,
+    AFNetworkReachabilityStatusNotReachable,
+    AFNetworkReachabilityStatusReachableViaWWAN,
+    AFNetworkReachabilityStatusReachableViaWiFi,
+ }
+ 
+ `AFNetworkReachabilityStatusUnknown`  
+    The `baseURL` host reachability is not known.
+ 
+ `AFNetworkReachabilityStatusNotReachable`
+    The `baseURL` host cannot be reached.
+ 
+ `AFNetworkReachabilityStatusReachableViaWWAN`
+    The `baseURL` host can be reached via a cellular connection, such as EDGE or GPRS.
+ 
+ `AFNetworkReachabilityStatusReachableViaWiFi`
+    The `baseURL` host can be reached via a Wi-Fi connection.
+ 
+ ### Keys for Notification UserInfo Dictionary
+ 
+ Strings that are used as keys in a `userInfo` dictionary in a network reachability status change notification.
+ 
+ `AFNetworkingReachabilityNotificationStatusItem`
+    A key in the userInfo dictionary in a `AFNetworkingReachabilityDidChangeNotification` notification.  
+    The corresponding value is an `NSNumber` object representing the `AFNetworkReachabilityStatus` value for the current reachability status. 
+ 
+ ### Parameter Encoding
+ 
+ The following constants are provided by `AFHTTPClient` as possible methods for serializing parameters into query string or message body values.
+
+ enum {
+    AFFormURLParameterEncoding,
+    AFJSONParameterEncoding,
+    AFPropertyListParameterEncoding,
+ }
+ 
+ `AFFormURLParameterEncoding`
+    Parameters are encoded into field/key pairs in the URL query string for `GET` `HEAD` and `DELETE` requests, and in the message body otherwise. Dictionary keys are sorted with the `caseInsensitiveCompare:` selector of their description, in order to mitigate the possibility of ambiguous query strings being generated non-deterministically. See the warning for the `parameterEncoding` property for additional information.
+ 
+ `AFJSONParameterEncoding`
+    Parameters are encoded into JSON in the message body.
+ 
+ `AFPropertyListParameterEncoding`  
+    Parameters are encoded into a property list in the message body.
+ */
+
+///----------------
+/// @name Functions
+///----------------
+
+/**
+ Returns a query string constructed by a set of parameters, using the specified encoding.
+ 
+ @param parameters The parameters used to construct the query string
+ @param encoding The encoding to use in constructing the query string. If you are uncertain of the correct encoding, you should use UTF-8 (`NSUTF8StringEncoding`), which is the encoding designated by RFC 3986 as the correct encoding for use in URLs.
+ 
+ @discussion Query strings are constructed by collecting each key-value pair, percent escaping a string representation of the key-value pair, and then joining the pairs with "&".
+ 
+ If a query string pair has a an `NSArray` for its value, each member of the array will be represented in the format `field[]=value1&field[]value2`. Otherwise, the pair will be formatted as "field=value". String representations of both keys and values are derived using the `-description` method. The constructed query string does not include the ? character used to delimit the query component.
+ 
+ @return A percent-escaped query string
+ */
+extern NSString * AFQueryStringFromParametersWithEncoding(NSDictionary *parameters, NSStringEncoding encoding);
+
+///--------------------
+/// @name Notifications
+///--------------------
+
+/**
+ Posted when network reachability changes.
+ This notification assigns no notification object. The `userInfo` dictionary contains an `NSNumber` object under the `AFNetworkingReachabilityNotificationStatusItem` key, representing the `AFNetworkReachabilityStatus` value for the current network reachability.
+ 
+ @warning In order for network reachability to be monitored, include the `SystemConfiguration` framework in the active target's "Link Binary With Library" build phase, and add `#import <SystemConfiguration/SystemConfiguration.h>` to the header prefix of the project (`Prefix.pch`).
+ */
+#ifdef _SYSTEMCONFIGURATION_H
+extern NSString * const AFNetworkingReachabilityDidChangeNotification;
+extern NSString * const AFNetworkingReachabilityNotificationStatusItem;
+#endif
+
+#pragma mark -
+
+extern NSUInteger const kAFUploadStream3GSuggestedPacketSize;
+extern NSTimeInterval const kAFUploadStream3GSuggestedDelay;
+
+/**
+ The `AFMultipartFormData` protocol defines the methods supported by the parameter in the block argument of `AFHTTPClient -multipartFormRequestWithMethod:path:parameters:constructingBodyWithBlock:`.
+ */
+@protocol AFMultipartFormData
+
+/**
+ Appends the HTTP header `Content-Disposition: file; filename=#{generated filename}; name=#{name}"` and `Content-Type: #{generated mimeType}`, followed by the encoded file data and the multipart form boundary.
+ 
+ @param fileURL The URL corresponding to the file whose content will be appended to the form. This parameter must not be `nil`.
+ @param name The name to be associated with the specified data. This parameter must not be `nil`.
+ @param error If an error occurs, upon return contains an `NSError` object that describes the problem.
+ 
+ @return `YES` if the file data was successfully appended, otherwise `NO`.
+ 
+ @discussion The filename and MIME type for this data in the form will be automatically generated, using `NSURLResponse` `-suggestedFilename` and `-MIMEType`, respectively.
+ */
+- (BOOL)appendPartWithFileURL:(NSURL *)fileURL
+                         name:(NSString *)name
+                        error:(NSError * __autoreleasing *)error;
+
+/**
+ Appends the HTTP header `Content-Disposition: file; filename=#{filename}; name=#{name}"` and `Content-Type: #{mimeType}`, followed by the encoded file data and the multipart form boundary.
+ 
+ @param data The data to be encoded and appended to the form data.
+ @param name The name to be associated with the specified data. This parameter must not be `nil`.
+ @param filename The filename to be associated with the specified data. This parameter must not be `nil`.
+ @param mimeType The MIME type of the specified data. (For example, the MIME type for a JPEG image is image/jpeg.) For a list of valid MIME types, see http://www.iana.org/assignments/media-types/. This parameter must not be `nil`.
+ */
+- (void)appendPartWithFileData:(NSData *)data
+                          name:(NSString *)name
+                      fileName:(NSString *)fileName
+                      mimeType:(NSString *)mimeType;
+
+/**
+ Appends the HTTP headers `Content-Disposition: form-data; name=#{name}"`, followed by the encoded data and the multipart form boundary.
+ 
+ @param data The data to be encoded and appended to the form data.
+ @param name The name to be associated with the specified data. This parameter must not be `nil`.
+ */
+
+- (void)appendPartWithFormData:(NSData *)data
+                          name:(NSString *)name;
+
+/**
+ Appends HTTP headers, followed by the encoded data and the multipart form boundary.
+ 
+ @param headers The HTTP headers to be appended to the form data.
+ @param body The data to be encoded and appended to the form data.
+ */
+- (void)appendPartWithHeaders:(NSDictionary *)headers
+                         body:(NSData *)body;
+
+/**
+ Throttles request bandwidth by limiting the packet size and adding a delay for each chunk read from the upload stream.
+ 
+ @param numberOfBytes Maximum packet size, in number of bytes. The default packet size for an input stream is 32kb.
+ @param delay Duration of delay each time a packet is read. By default, no delay is set.
+ 
+ @discussion When uploading over a 3G or EDGE connection, requests may fail with "request body stream exhausted". Setting a maximum packet size and delay according to the recommended values (`kAFUploadStream3GSuggestedPacketSize` and `kAFUploadStream3GSuggestedDelay`) lowers the risk of the input stream exceeding its allocated bandwidth. Unfortunately, as of iOS 6, there is no definite way to distinguish between a 3G, EDGE, or LTE connection. As such, it is not recommended that you throttle bandwidth based solely on network reachability. Instead, you should consider checking for the "request body stream exhausted" in a failure block, and then retrying the request with throttled bandwidth.
+ */
+- (void)throttleBandwidthWithPacketSize:(NSUInteger)numberOfBytes
+                                  delay:(NSTimeInterval)delay;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.m
new file mode 100644
index 0000000..3fec759
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPClient.m
@@ -0,0 +1,1208 @@
+// AFHTTPClient.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import "AFHTTPClient.h"
+#import "AFHTTPRequestOperation.h"
+
+#import <Availability.h>
+
+#ifdef _SYSTEMCONFIGURATION_H
+    #import <netinet/in.h>
+    #import <netinet6/in6.h>
+    #import <arpa/inet.h>
+    #import <ifaddrs.h>
+    #import <netdb.h>
+#endif
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    #import <UIKit/UIKit.h>
+#endif
+
+#ifdef _SYSTEMCONFIGURATION_H
+NSString * const AFNetworkingReachabilityDidChangeNotification = @"com.alamofire.networking.reachability.change";
+NSString * const AFNetworkingReachabilityNotificationStatusItem = @"AFNetworkingReachabilityNotificationStatusItem";
+
+typedef SCNetworkReachabilityRef AFNetworkReachabilityRef;
+typedef void (^AFNetworkReachabilityStatusBlock)(AFNetworkReachabilityStatus status);
+#else
+typedef id AFNetworkReachabilityRef;
+#endif
+
+typedef void (^AFCompletionBlock)(void);
+
+static NSString * AFBase64EncodedStringFromString(NSString *string) {
+    NSData *data = [NSData dataWithBytes:[string UTF8String] length:[string lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];
+    NSUInteger length = [data length];
+    NSMutableData *mutableData = [NSMutableData dataWithLength:((length + 2) / 3) * 4];
+    
+    uint8_t *input = (uint8_t *)[data bytes];
+    uint8_t *output = (uint8_t *)[mutableData mutableBytes];
+    
+    for (NSUInteger i = 0; i < length; i += 3) {
+        NSUInteger value = 0;
+        for (NSUInteger j = i; j < (i + 3); j++) {
+            value <<= 8;
+            if (j < length) {
+                value |= (0xFF & input[j]);
+            }
+        }
+        
+        static uint8_t const kAFBase64EncodingTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+        
+        NSUInteger idx = (i / 3) * 4;
+        output[idx + 0] = kAFBase64EncodingTable[(value >> 18) & 0x3F];
+        output[idx + 1] = kAFBase64EncodingTable[(value >> 12) & 0x3F];
+        output[idx + 2] = (i + 1) < length ? kAFBase64EncodingTable[(value >> 6)  & 0x3F] : '=';
+        output[idx + 3] = (i + 2) < length ? kAFBase64EncodingTable[(value >> 0)  & 0x3F] : '=';
+    }
+    
+    return [[NSString alloc] initWithData:mutableData encoding:NSASCIIStringEncoding];
+}
+
+static NSString * AFPercentEscapedQueryStringPairMemberFromStringWithEncoding(NSString *string, NSStringEncoding encoding) {
+    static NSString * const kAFCharactersToBeEscaped = @":/?&=;+!@#$()~";
+    static NSString * const kAFCharactersToLeaveUnescaped = @"[].";
+    
+	return (__bridge_transfer  NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (__bridge CFStringRef)string, (__bridge CFStringRef)kAFCharactersToLeaveUnescaped, (__bridge CFStringRef)kAFCharactersToBeEscaped, CFStringConvertNSStringEncodingToEncoding(encoding));
+}
+
+#pragma mark -
+
+@interface AFQueryStringPair : NSObject
+@property (readwrite, nonatomic, strong) id field;
+@property (readwrite, nonatomic, strong) id value;
+
+- (id)initWithField:(id)field value:(id)value;
+
+- (NSString *)URLEncodedStringValueWithEncoding:(NSStringEncoding)stringEncoding;
+@end
+
+@implementation AFQueryStringPair
+@synthesize field = _field;
+@synthesize value = _value;
+
+- (id)initWithField:(id)field value:(id)value {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    self.field = field;
+    self.value = value;
+    
+    return self;
+}
+
+- (NSString *)URLEncodedStringValueWithEncoding:(NSStringEncoding)stringEncoding {
+    if (!self.value || [self.value isEqual:[NSNull null]]) {
+        return AFPercentEscapedQueryStringPairMemberFromStringWithEncoding([self.field description], stringEncoding);
+    } else {
+        return [NSString stringWithFormat:@"%@=%@", AFPercentEscapedQueryStringPairMemberFromStringWithEncoding([self.field description], stringEncoding), AFPercentEscapedQueryStringPairMemberFromStringWithEncoding([self.value description], stringEncoding)];
+    }
+}
+
+@end
+
+#pragma mark -
+
+extern NSArray * AFQueryStringPairsFromDictionary(NSDictionary *dictionary);
+extern NSArray * AFQueryStringPairsFromKeyAndValue(NSString *key, id value);
+
+NSString * AFQueryStringFromParametersWithEncoding(NSDictionary *parameters, NSStringEncoding stringEncoding) {
+    NSMutableArray *mutablePairs = [NSMutableArray array];
+    for (AFQueryStringPair *pair in AFQueryStringPairsFromDictionary(parameters)) {
+        [mutablePairs addObject:[pair URLEncodedStringValueWithEncoding:stringEncoding]];
+    }
+    
+    return [mutablePairs componentsJoinedByString:@"&"];
+}
+
+NSArray * AFQueryStringPairsFromDictionary(NSDictionary *dictionary) {
+    return AFQueryStringPairsFromKeyAndValue(nil, dictionary);
+}
+
+NSArray * AFQueryStringPairsFromKeyAndValue(NSString *key, id value) {
+    NSMutableArray *mutableQueryStringComponents = [NSMutableArray array];
+    
+    if ([value isKindOfClass:[NSDictionary class]]) {
+        // Sort dictionary keys to ensure consistent ordering in query string, which is important when deserializing potentially ambiguous sequences, such as an array of dictionaries
+        NSSortDescriptor *sortDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"description" ascending:YES selector:@selector(caseInsensitiveCompare:)];
+        [[[value allKeys] sortedArrayUsingDescriptors:[NSArray arrayWithObject:sortDescriptor]] enumerateObjectsUsingBlock:^(id nestedKey, __unused NSUInteger idx, __unused BOOL *stop) {
+            id nestedValue = [value objectForKey:nestedKey];
+            if (nestedValue) {
+                [mutableQueryStringComponents addObjectsFromArray:AFQueryStringPairsFromKeyAndValue((key ? [NSString stringWithFormat:@"%@[%@]", key, nestedKey] : nestedKey), nestedValue)];
+            }
+        }];
+    } else if ([value isKindOfClass:[NSArray class]]) {
+        NSArray *array = value;
+        [array enumerateObjectsUsingBlock:^(id nestedValue, __unused NSUInteger idx, __unused BOOL *stop) {
+            [mutableQueryStringComponents addObjectsFromArray:AFQueryStringPairsFromKeyAndValue([NSString stringWithFormat:@"%@[]", key], nestedValue)];
+        }];
+    } else {
+        [mutableQueryStringComponents addObject:[[AFQueryStringPair alloc] initWithField:key value:value]];
+    }
+    
+    return mutableQueryStringComponents;
+}
+
+@interface AFStreamingMultipartFormData : NSObject <AFMultipartFormData>
+- (id)initWithURLRequest:(NSMutableURLRequest *)urlRequest
+          stringEncoding:(NSStringEncoding)encoding;
+
+- (NSMutableURLRequest *)requestByFinalizingMultipartFormData;
+@end
+
+#pragma mark -
+
+@interface AFHTTPClient ()
+@property (readwrite, nonatomic) NSURL *baseURL;
+@property (readwrite, nonatomic) NSMutableArray *registeredHTTPOperationClassNames;
+@property (readwrite, nonatomic) NSMutableDictionary *defaultHeaders;
+@property (readwrite, nonatomic) NSOperationQueue *operationQueue;
+#ifdef _SYSTEMCONFIGURATION_H
+@property (readwrite, nonatomic, assign) AFNetworkReachabilityRef networkReachability;
+@property (readwrite, nonatomic, assign) AFNetworkReachabilityStatus networkReachabilityStatus;
+@property (readwrite, nonatomic, copy) AFNetworkReachabilityStatusBlock networkReachabilityStatusBlock;
+#endif
+
+#ifdef _SYSTEMCONFIGURATION_H
+- (void)startMonitoringNetworkReachability;
+- (void)stopMonitoringNetworkReachability;
+#endif
+@end
+
+@implementation AFHTTPClient
+@synthesize baseURL = _baseURL;
+@synthesize stringEncoding = _stringEncoding;
+@synthesize parameterEncoding = _parameterEncoding;
+@synthesize registeredHTTPOperationClassNames = _registeredHTTPOperationClassNames;
+@synthesize defaultHeaders = _defaultHeaders;
+@synthesize operationQueue = _operationQueue;
+#ifdef _SYSTEMCONFIGURATION_H
+@synthesize networkReachability = _networkReachability;
+@synthesize networkReachabilityStatus = _networkReachabilityStatus;
+@synthesize networkReachabilityStatusBlock = _networkReachabilityStatusBlock;
+#endif
+
++ (instancetype)clientWithBaseURL:(NSURL *)url {
+    return [[self alloc] initWithBaseURL:url];
+}
+
+- (id)initWithBaseURL:(NSURL *)url {
+    NSParameterAssert(url);
+    
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    // Ensure terminal slash for baseURL path, so that NSURL +URLWithString:relativeToURL: works as expected
+    if ([[url path] length] > 0 && ![[url absoluteString] hasSuffix:@"/"]) {
+        url = [url URLByAppendingPathComponent:@""];
+    }
+    
+    self.baseURL = url;
+    
+    self.stringEncoding = NSUTF8StringEncoding;
+    self.parameterEncoding = AFFormURLParameterEncoding;
+	
+    self.registeredHTTPOperationClassNames = [NSMutableArray array];
+    
+	self.defaultHeaders = [NSMutableDictionary dictionary];
+	
+    // Accept-Language HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
+    NSString *preferredLanguageCodes = [[NSLocale preferredLanguages] componentsJoinedByString:@", "];
+    [self setDefaultHeader:@"Accept-Language" value:[NSString stringWithFormat:@"%@, en-us;q=0.8", preferredLanguageCodes]];
+    
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    // User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43
+    [self setDefaultHeader:@"User-Agent" value:[NSString stringWithFormat:@"%@/%@ (%@; iOS %@; Scale/%0.2f)", [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleExecutableKey] ?: [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleIdentifierKey], (__bridge id)CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(), kCFBundleVersionKey) ?: [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleVersionKey], [[UIDevice currentDevice] model], [[UIDevice currentDevice] systemVersion], ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] ? [[UIScreen mainScreen] scale] : 1.0f)]];
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+    [self setDefaultHeader:@"User-Agent" value:[NSString stringWithFormat:@"%@/%@ (Mac OS X %@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleExecutableKey] ?: [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleIdentifierKey], [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"] ?: [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleVersionKey], [[NSProcessInfo processInfo] operatingSystemVersionString]]];
+#endif
+    
+#ifdef _SYSTEMCONFIGURATION_H
+    self.networkReachabilityStatus = AFNetworkReachabilityStatusUnknown;
+    [self startMonitoringNetworkReachability];
+#endif
+    
+    self.operationQueue = [[NSOperationQueue alloc] init];
+	[self.operationQueue setMaxConcurrentOperationCount:NSOperationQueueDefaultMaxConcurrentOperationCount];
+    
+    return self;
+}
+
+- (void)dealloc {
+#ifdef _SYSTEMCONFIGURATION_H
+    [self stopMonitoringNetworkReachability];
+#endif
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"<%@: %p, baseURL: %@, defaultHeaders: %@, registeredOperationClasses: %@, operationQueue: %@>", NSStringFromClass([self class]), self, [self.baseURL absoluteString], self.defaultHeaders, self.registeredHTTPOperationClassNames, self.operationQueue];
+}
+
+#pragma mark -
+
+#ifdef _SYSTEMCONFIGURATION_H
+static BOOL AFURLHostIsIPAddress(NSURL *url) {
+    struct sockaddr_in sa_in;
+    struct sockaddr_in6 sa_in6;
+    
+    return [url host] && (inet_pton(AF_INET, [[url host] UTF8String], &sa_in) == 1 || inet_pton(AF_INET6, [[url host] UTF8String], &sa_in6) == 1);
+}
+
+static AFNetworkReachabilityStatus AFNetworkReachabilityStatusForFlags(SCNetworkReachabilityFlags flags) {
+    BOOL isReachable = ((flags & kSCNetworkReachabilityFlagsReachable) != 0);
+    BOOL needsConnection = ((flags & kSCNetworkReachabilityFlagsConnectionRequired) != 0);
+    BOOL isNetworkReachable = (isReachable && !needsConnection);
+    
+    AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusUnknown;
+    if (isNetworkReachable == NO) {
+        status = AFNetworkReachabilityStatusNotReachable;
+    }
+#if	TARGET_OS_IPHONE
+    else if ((flags & kSCNetworkReachabilityFlagsIsWWAN) != 0) {
+        status = AFNetworkReachabilityStatusReachableViaWWAN;
+    }
+#endif
+    else {
+        status = AFNetworkReachabilityStatusReachableViaWiFi;
+    }
+    
+    return status;
+}
+
+static void AFNetworkReachabilityCallback(SCNetworkReachabilityRef __unused target, SCNetworkReachabilityFlags flags, void *info) {
+    AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusForFlags(flags);
+    AFNetworkReachabilityStatusBlock block = (__bridge AFNetworkReachabilityStatusBlock)info;
+    if (block) {
+        block(status);
+    }
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingReachabilityDidChangeNotification object:nil userInfo:[NSDictionary dictionaryWithObject:[NSNumber numberWithInteger:status] forKey:AFNetworkingReachabilityNotificationStatusItem]];
+    });
+}
+
+static const void * AFNetworkReachabilityRetainCallback(const void *info) {
+    return (__bridge_retained const void *)([(__bridge AFNetworkReachabilityStatusBlock)info copy]);
+}
+
+static void AFNetworkReachabilityReleaseCallback(const void *info) {
+    if (info) {
+        CFRelease(info);
+    }
+}
+
+- (void)startMonitoringNetworkReachability {
+    [self stopMonitoringNetworkReachability];
+    
+    if (!self.baseURL) {
+        return;
+    }
+    
+    self.networkReachability = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, [[self.baseURL host] UTF8String]);
+    
+    if (!self.networkReachability) {
+        return;
+    }
+    
+    __weak __typeof(&*self)weakSelf = self;
+    AFNetworkReachabilityStatusBlock callback = ^(AFNetworkReachabilityStatus status) {
+        __strong __typeof(&*weakSelf)strongSelf = weakSelf;
+        if (!strongSelf) {
+            return;
+        }
+        
+        strongSelf.networkReachabilityStatus = status;
+        if (strongSelf.networkReachabilityStatusBlock) {
+            strongSelf.networkReachabilityStatusBlock(status);
+        }
+    };
+    
+    SCNetworkReachabilityContext context = {0, (__bridge void *)callback, AFNetworkReachabilityRetainCallback, AFNetworkReachabilityReleaseCallback, NULL};
+    SCNetworkReachabilitySetCallback(self.networkReachability, AFNetworkReachabilityCallback, &context);
+    SCNetworkReachabilityScheduleWithRunLoop(self.networkReachability, CFRunLoopGetMain(), (CFStringRef)NSRunLoopCommonModes);
+    
+    /* Network reachability monitoring does not establish a baseline for IP addresses as it does for hostnames, so if the base URL host is an IP address, the initial reachability callback is manually triggered.
+     */
+    if (AFURLHostIsIPAddress(self.baseURL)) {
+        SCNetworkReachabilityFlags flags;
+        SCNetworkReachabilityGetFlags(self.networkReachability, &flags);
+        dispatch_async(dispatch_get_main_queue(), ^{
+            AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusForFlags(flags);
+            callback(status);
+        });
+    }
+}
+
+- (void)stopMonitoringNetworkReachability {
+    if (_networkReachability) {
+        SCNetworkReachabilityUnscheduleFromRunLoop(_networkReachability, CFRunLoopGetMain(), (CFStringRef)NSRunLoopCommonModes);
+        CFRelease(_networkReachability);
+        _networkReachability = NULL;
+    }
+}
+
+- (void)setReachabilityStatusChangeBlock:(void (^)(AFNetworkReachabilityStatus status))block {
+    self.networkReachabilityStatusBlock = block;
+}
+#endif
+
+#pragma mark -
+
+- (BOOL)registerHTTPOperationClass:(Class)operationClass {
+    if (![operationClass isSubclassOfClass:[AFHTTPRequestOperation class]]) {
+        return NO;
+    }
+    
+    NSString *className = NSStringFromClass(operationClass);
+    [self.registeredHTTPOperationClassNames removeObject:className];
+    [self.registeredHTTPOperationClassNames insertObject:className atIndex:0];
+    
+    return YES;
+}
+
+- (void)unregisterHTTPOperationClass:(Class)operationClass {
+    NSString *className = NSStringFromClass(operationClass);
+    [self.registeredHTTPOperationClassNames removeObject:className];
+}
+
+#pragma mark -
+
+- (NSString *)defaultValueForHeader:(NSString *)header {
+	return [self.defaultHeaders valueForKey:header];
+}
+
+- (void)setDefaultHeader:(NSString *)header value:(NSString *)value {
+	[self.defaultHeaders setValue:value forKey:header];
+}
+
+- (void)setAuthorizationHeaderWithUsername:(NSString *)username password:(NSString *)password {
+	NSString *basicAuthCredentials = [NSString stringWithFormat:@"%@:%@", username, password];
+    [self setDefaultHeader:@"Authorization" value:[NSString stringWithFormat:@"Basic %@", AFBase64EncodedStringFromString(basicAuthCredentials)]];
+}
+
+- (void)setAuthorizationHeaderWithToken:(NSString *)token {
+    [self setDefaultHeader:@"Authorization" value:[NSString stringWithFormat:@"Token token=\"%@\"", token]];
+}
+
+- (void)clearAuthorizationHeader {
+	[self.defaultHeaders removeObjectForKey:@"Authorization"];
+}
+
+#pragma mark -
+
+- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
+                                      path:(NSString *)path
+                                parameters:(NSDictionary *)parameters
+{
+    NSParameterAssert(method);
+    
+    if (!path) {
+        path = @"";
+    }
+    
+    NSURL *url = [NSURL URLWithString:path relativeToURL:self.baseURL];
+	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
+    [request setHTTPMethod:method];
+    [request setAllHTTPHeaderFields:self.defaultHeaders];
+	
+    if (parameters) {
+        if ([method isEqualToString:@"GET"] || [method isEqualToString:@"HEAD"] || [method isEqualToString:@"DELETE"]) {
+            url = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding)]];
+            [request setURL:url];
+        } else {
+            NSString *charset = (__bridge NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(self.stringEncoding));
+            NSError *error = nil;
+            
+            switch (self.parameterEncoding) {
+                case AFFormURLParameterEncoding:;
+                    [request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
+                    [request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding) dataUsingEncoding:self.stringEncoding]];
+                    break;
+                case AFJSONParameterEncoding:;
+                    [request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
+                    [request setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:0 error:&error]];
+                    break;
+                case AFPropertyListParameterEncoding:;
+                    [request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
+                    [request setHTTPBody:[NSPropertyListSerialization dataWithPropertyList:parameters format:NSPropertyListXMLFormat_v1_0 options:0 error:&error]];
+                    break;
+            }
+            
+            if (error) {
+                NSLog(@"%@ %@: %@", [self class], NSStringFromSelector(_cmd), error);
+            }
+        }
+    }
+    
+	return request;
+}
+
+- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
+                                                   path:(NSString *)path
+                                             parameters:(NSDictionary *)parameters
+                              constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block
+{
+    NSParameterAssert(method);
+    NSParameterAssert(![method isEqualToString:@"GET"] && ![method isEqualToString:@"HEAD"]);
+    
+    NSMutableURLRequest *request = [self requestWithMethod:method path:path parameters:nil];
+    
+    __block AFStreamingMultipartFormData *formData = [[AFStreamingMultipartFormData alloc] initWithURLRequest:request stringEncoding:self.stringEncoding];
+    
+    if (parameters) {
+        for (AFQueryStringPair *pair in AFQueryStringPairsFromDictionary(parameters)) {
+            NSData *data = nil;
+            if ([pair.value isKindOfClass:[NSData class]]) {
+                data = pair.value;
+            } else if ([pair.value isEqual:[NSNull null]]) {
+                data = [NSData data];
+            } else {
+                data = [[pair.value description] dataUsingEncoding:self.stringEncoding];
+            }
+            
+            if (data) {
+                [formData appendPartWithFormData:data name:[pair.field description]];
+            }
+        }
+    }
+    
+    if (block) {
+        block(formData);
+    }
+    
+    return [formData requestByFinalizingMultipartFormData];
+}
+
+- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)urlRequest
+                                                    success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                                                    failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = nil;
+    NSString *className = nil;
+    NSEnumerator *enumerator = [self.registeredHTTPOperationClassNames reverseObjectEnumerator];
+    while (!operation && (className = [enumerator nextObject])) {
+        Class op_class = NSClassFromString(className);
+        if (op_class && [op_class canProcessRequest:urlRequest]) {
+            operation = [(AFHTTPRequestOperation *)[op_class alloc] initWithRequest:urlRequest];
+        }
+    }
+    
+    if (!operation) {
+        operation = [[AFHTTPRequestOperation alloc] initWithRequest:urlRequest];
+    }
+    
+    [operation setCompletionBlockWithSuccess:success failure:failure];
+    
+    return operation;
+}
+
+#pragma mark -
+
+- (void)enqueueHTTPRequestOperation:(AFHTTPRequestOperation *)operation {
+    [self.operationQueue addOperation:operation];
+}
+
+- (void)cancelAllHTTPOperationsWithMethod:(NSString *)method
+                                     path:(NSString *)path
+{
+    NSString *URLStringToMatched = [[[self requestWithMethod:(method ?: @"GET") path:path parameters:nil] URL] absoluteString];
+    
+    for (NSOperation *operation in [self.operationQueue operations]) {
+        if (![operation isKindOfClass:[AFHTTPRequestOperation class]]) {
+            continue;
+        }
+        
+        BOOL hasMatchingMethod = !method || [method isEqualToString:[[(AFHTTPRequestOperation *)operation request] HTTPMethod]];
+        BOOL hasMatchingURL = [[[[(AFHTTPRequestOperation *)operation request] URL] absoluteString] isEqualToString:URLStringToMatched];
+        
+        if (hasMatchingMethod && hasMatchingURL) {
+            [operation cancel];
+        }
+    }
+}
+
+- (void)enqueueBatchOfHTTPRequestOperationsWithRequests:(NSArray *)urlRequests
+                                          progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock
+                                        completionBlock:(void (^)(NSArray *operations))completionBlock
+{
+    NSMutableArray *mutableOperations = [NSMutableArray array];
+    for (NSURLRequest *request in urlRequests) {
+        AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:nil failure:nil];
+        [mutableOperations addObject:operation];
+    }
+    
+    [self enqueueBatchOfHTTPRequestOperations:mutableOperations progressBlock:progressBlock completionBlock:completionBlock];
+}
+
+- (void)enqueueBatchOfHTTPRequestOperations:(NSArray *)operations
+                              progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock
+                            completionBlock:(void (^)(NSArray *operations))completionBlock
+{
+    __block dispatch_group_t dispatchGroup = dispatch_group_create();
+    NSBlockOperation *batchedOperation = [NSBlockOperation blockOperationWithBlock:^{
+        dispatch_group_notify(dispatchGroup, dispatch_get_main_queue(), ^{
+            if (completionBlock) {
+                completionBlock(operations);
+            }
+        });
+#if !OS_OBJECT_USE_OBJC
+        dispatch_release(dispatchGroup);
+#endif
+    }];
+    
+    for (AFHTTPRequestOperation *operation in operations) {
+        AFCompletionBlock originalCompletionBlock = [operation.completionBlock copy];
+		__weak AFHTTPRequestOperation *weakOperation = operation;
+        operation.completionBlock = ^{
+            dispatch_queue_t queue = weakOperation.successCallbackQueue ?: dispatch_get_main_queue();
+            dispatch_group_async(dispatchGroup, queue, ^{
+                if (originalCompletionBlock) {
+                    originalCompletionBlock();
+                }
+                
+                __block NSUInteger numberOfFinishedOperations = 0;
+                [operations enumerateObjectsUsingBlock:^(id obj, __unused NSUInteger idx, __unused BOOL *stop) {
+                    if ([(NSOperation *)obj isFinished]) {
+                        numberOfFinishedOperations++;
+                    }
+                }];
+                
+                if (progressBlock) {
+                    progressBlock(numberOfFinishedOperations, [operations count]);
+                }
+                
+                dispatch_group_leave(dispatchGroup);
+            });
+        };
+        
+        dispatch_group_enter(dispatchGroup);
+        [batchedOperation addDependency:operation];
+    }
+    [self.operationQueue addOperations:operations waitUntilFinished:NO];
+    [self.operationQueue addOperation:batchedOperation];
+}
+
+#pragma mark -
+
+- (void)getPath:(NSString *)path
+     parameters:(NSDictionary *)parameters
+        success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+	NSURLRequest *request = [self requestWithMethod:@"GET" path:path parameters:parameters];
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+    [self enqueueHTTPRequestOperation:operation];
+}
+
+- (void)postPath:(NSString *)path
+      parameters:(NSDictionary *)parameters
+         success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+	NSURLRequest *request = [self requestWithMethod:@"POST" path:path parameters:parameters];
+	AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+    [self enqueueHTTPRequestOperation:operation];
+}
+
+- (void)putPath:(NSString *)path
+     parameters:(NSDictionary *)parameters
+        success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+	NSURLRequest *request = [self requestWithMethod:@"PUT" path:path parameters:parameters];
+	AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+    [self enqueueHTTPRequestOperation:operation];
+}
+
+- (void)deletePath:(NSString *)path
+        parameters:(NSDictionary *)parameters
+           success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+	NSURLRequest *request = [self requestWithMethod:@"DELETE" path:path parameters:parameters];
+	AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+    [self enqueueHTTPRequestOperation:operation];
+}
+
+- (void)patchPath:(NSString *)path
+       parameters:(NSDictionary *)parameters
+          success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    NSURLRequest *request = [self requestWithMethod:@"PATCH" path:path parameters:parameters];
+	AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+    [self enqueueHTTPRequestOperation:operation];
+}
+
+#pragma mark - NSCoding
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    NSURL *baseURL = [aDecoder decodeObjectForKey:@"baseURL"];
+    
+    self = [self initWithBaseURL:baseURL];
+    if (!self) {
+        return nil;
+    }
+    
+    self.stringEncoding = [aDecoder decodeIntegerForKey:@"stringEncoding"];
+    self.parameterEncoding = [aDecoder decodeIntegerForKey:@"parameterEncoding"];
+    self.registeredHTTPOperationClassNames = [aDecoder decodeObjectForKey:@"registeredHTTPOperationClassNames"];
+    self.defaultHeaders = [aDecoder decodeObjectForKey:@"defaultHeaders"];
+    
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)aCoder {
+    [aCoder encodeObject:self.baseURL forKey:@"baseURL"];
+    [aCoder encodeInteger:(NSInteger)self.stringEncoding forKey:@"stringEncoding"];
+    [aCoder encodeInteger:self.parameterEncoding forKey:@"parameterEncoding"];
+    [aCoder encodeObject:self.registeredHTTPOperationClassNames forKey:@"registeredHTTPOperationClassNames"];
+    [aCoder encodeObject:self.defaultHeaders forKey:@"defaultHeaders"];
+}
+
+#pragma mark - NSCopying
+
+- (id)copyWithZone:(NSZone *)zone {
+    AFHTTPClient *HTTPClient = [[[self class] allocWithZone:zone] initWithBaseURL:self.baseURL];
+    
+    HTTPClient.stringEncoding = self.stringEncoding;
+    HTTPClient.parameterEncoding = self.parameterEncoding;
+    HTTPClient.registeredHTTPOperationClassNames = [self.registeredHTTPOperationClassNames copyWithZone:zone];
+    HTTPClient.defaultHeaders = [self.defaultHeaders copyWithZone:zone];
+#ifdef _SYSTEMCONFIGURATION_H
+    HTTPClient.networkReachabilityStatusBlock = self.networkReachabilityStatusBlock;
+#endif
+    return HTTPClient;
+}
+
+@end
+
+#pragma mark -
+
+static NSString * const kAFMultipartFormBoundary = @"Boundary+0xAbCdEfGbOuNdArY";
+
+static NSString * const kAFMultipartFormCRLF = @"\r\n";
+
+static NSInteger const kAFStreamToStreamBufferSize = 1024*1024; //1 meg default
+
+static inline NSString * AFMultipartFormInitialBoundary() {
+    return [NSString stringWithFormat:@"--%@%@", kAFMultipartFormBoundary, kAFMultipartFormCRLF];
+}
+
+static inline NSString * AFMultipartFormEncapsulationBoundary() {
+    return [NSString stringWithFormat:@"%@--%@%@", kAFMultipartFormCRLF, kAFMultipartFormBoundary, kAFMultipartFormCRLF];
+}
+
+static inline NSString * AFMultipartFormFinalBoundary() {
+    return [NSString stringWithFormat:@"%@--%@--%@", kAFMultipartFormCRLF, kAFMultipartFormBoundary, kAFMultipartFormCRLF];
+}
+
+static inline NSString * AFContentTypeForPathExtension(NSString *extension) {
+#ifdef __UTTYPE__
+    NSString *UTI = (__bridge_transfer NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (__bridge CFStringRef)extension, NULL);
+    return (__bridge_transfer NSString *)UTTypeCopyPreferredTagWithClass((__bridge CFStringRef)UTI, kUTTagClassMIMEType);
+#else
+    return @"application/octet-stream";
+#endif
+}
+
+NSUInteger const kAFUploadStream3GSuggestedPacketSize = 1024 * 16;
+NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
+
+@interface AFHTTPBodyPart : NSObject
+@property (nonatomic, assign) NSStringEncoding stringEncoding;
+@property (nonatomic, strong) NSDictionary *headers;
+@property (nonatomic, strong) NSInputStream *inputStream;
+@property (nonatomic, assign) unsigned long long bodyContentLength;
+
+@property (nonatomic, assign) BOOL hasInitialBoundary;
+@property (nonatomic, assign) BOOL hasFinalBoundary;
+
+@property (nonatomic, readonly, getter = hasBytesAvailable) BOOL bytesAvailable;
+@property (nonatomic, readonly) unsigned long long contentLength;
+
+- (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)length;
+@end
+
+@interface AFMultipartBodyStream : NSInputStream <NSStreamDelegate>
+@property (nonatomic, assign) NSUInteger numberOfBytesInPacket;
+@property (nonatomic, assign) NSTimeInterval delay;
+@property (nonatomic, readonly) unsigned long long contentLength;
+@property (nonatomic, readonly, getter = isEmpty) BOOL empty;
+
+- (id)initWithStringEncoding:(NSStringEncoding)encoding;
+- (void)setInitialAndFinalBoundaries;
+- (void)appendHTTPBodyPart:(AFHTTPBodyPart *)bodyPart;
+@end
+
+#pragma mark -
+
+@interface AFStreamingMultipartFormData ()
+@property (readwrite, nonatomic, copy) NSMutableURLRequest *request;
+@property (readwrite, nonatomic, strong) AFMultipartBodyStream *bodyStream;
+@property (readwrite, nonatomic, assign) NSStringEncoding stringEncoding;
+@end
+
+@implementation AFStreamingMultipartFormData
+@synthesize request = _request;
+@synthesize bodyStream = _bodyStream;
+@synthesize stringEncoding = _stringEncoding;
+
+- (id)initWithURLRequest:(NSMutableURLRequest *)urlRequest
+          stringEncoding:(NSStringEncoding)encoding
+{
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    self.request = urlRequest;
+    self.stringEncoding = encoding;
+    self.bodyStream = [[AFMultipartBodyStream alloc] initWithStringEncoding:encoding];
+    
+    return self;
+}
+
+- (BOOL)appendPartWithFileURL:(NSURL *)fileURL
+                         name:(NSString *)name
+                        error:(NSError * __autoreleasing *)error
+{
+    NSParameterAssert(fileURL);
+    NSParameterAssert(name);
+    
+    if (![fileURL isFileURL]) {
+        NSDictionary *userInfo = [NSDictionary dictionaryWithObject:NSLocalizedStringFromTable(@"Expected URL to be a file URL", @"AFNetworking", nil) forKey:NSLocalizedFailureReasonErrorKey];
+        if (error != NULL) {
+            *error = [[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadURL userInfo:userInfo];
+        }
+        
+        return NO;
+    } else if ([fileURL checkResourceIsReachableAndReturnError:error] == NO) {
+        NSDictionary *userInfo = [NSDictionary dictionaryWithObject:NSLocalizedStringFromTable(@"File URL not reachable.", @"AFNetworking", nil) forKey:NSLocalizedFailureReasonErrorKey];
+        if (error != NULL) {
+            *error = [[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadURL userInfo:userInfo];
+        }
+        
+        return NO;
+    }
+    
+    NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
+    [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, [fileURL lastPathComponent]] forKey:@"Content-Disposition"];
+    [mutableHeaders setValue:AFContentTypeForPathExtension([fileURL pathExtension]) forKey:@"Content-Type"];
+    
+    AFHTTPBodyPart *bodyPart = [[AFHTTPBodyPart alloc] init];
+    bodyPart.stringEncoding = self.stringEncoding;
+    bodyPart.headers = mutableHeaders;
+    bodyPart.inputStream = [NSInputStream inputStreamWithURL:fileURL];
+    
+    NSDictionary *fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:[fileURL path] error:nil];
+    bodyPart.bodyContentLength = [[fileAttributes objectForKey:NSFileSize] unsignedLongLongValue];
+    
+    [self.bodyStream appendHTTPBodyPart:bodyPart];
+    
+    return YES;
+}
+
+- (void)appendPartWithFileData:(NSData *)data
+                          name:(NSString *)name
+                      fileName:(NSString *)fileName
+                      mimeType:(NSString *)mimeType
+{
+    NSParameterAssert(name);
+    NSParameterAssert(fileName);
+    NSParameterAssert(mimeType);
+    
+    NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
+    [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, fileName] forKey:@"Content-Disposition"];
+    [mutableHeaders setValue:mimeType forKey:@"Content-Type"];
+    
+    [self appendPartWithHeaders:mutableHeaders body:data];
+}
+
+- (void)appendPartWithFormData:(NSData *)data
+                          name:(NSString *)name
+{
+    NSParameterAssert(name);
+    
+    NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
+    [mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"", name] forKey:@"Content-Disposition"];
+    
+    [self appendPartWithHeaders:mutableHeaders body:data];
+}
+
+- (void)appendPartWithHeaders:(NSDictionary *)headers
+                         body:(NSData *)body
+{
+    NSParameterAssert(body);
+    
+    AFHTTPBodyPart *bodyPart = [[AFHTTPBodyPart alloc] init];
+    bodyPart.stringEncoding = self.stringEncoding;
+    bodyPart.headers = headers;
+    bodyPart.bodyContentLength = [body length];
+    bodyPart.inputStream = [NSInputStream inputStreamWithData:body];
+    
+    [self.bodyStream appendHTTPBodyPart:bodyPart];
+}
+
+- (void)throttleBandwidthWithPacketSize:(NSUInteger)numberOfBytes
+                                  delay:(NSTimeInterval)delay
+{
+    self.bodyStream.numberOfBytesInPacket = numberOfBytes;
+    self.bodyStream.delay = delay;
+}
+
+- (NSMutableURLRequest *)requestByFinalizingMultipartFormData {
+    if ([self.bodyStream isEmpty]) {
+        return self.request;
+    }
+    
+    // Reset the initial and final boundaries to ensure correct Content-Length
+    [self.bodyStream setInitialAndFinalBoundaries];
+    
+    [self.request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", kAFMultipartFormBoundary] forHTTPHeaderField:@"Content-Type"];
+    [self.request setValue:[NSString stringWithFormat:@"%llu", [self.bodyStream contentLength]] forHTTPHeaderField:@"Content-Length"];
+    [self.request setHTTPBodyStream:self.bodyStream];
+    
+    return self.request;
+}
+
+@end
+
+#pragma mark -
+
+@interface AFMultipartBodyStream ()
+@property (nonatomic, assign) NSStreamStatus streamStatus;
+@property (nonatomic, strong) NSError *streamError;
+
+@property (nonatomic, assign) NSStringEncoding stringEncoding;
+@property (nonatomic, strong) NSMutableArray *HTTPBodyParts;
+@property (nonatomic, strong) NSEnumerator *HTTPBodyPartEnumerator;
+@property (nonatomic, strong) AFHTTPBodyPart *currentHTTPBodyPart;
+@end
+
+@implementation AFMultipartBodyStream
+@synthesize streamStatus = _streamStatus;
+@synthesize streamError = _streamError;
+@synthesize stringEncoding = _stringEncoding;
+@synthesize HTTPBodyParts = _HTTPBodyParts;
+@synthesize HTTPBodyPartEnumerator = _HTTPBodyPartEnumerator;
+@synthesize currentHTTPBodyPart = _currentHTTPBodyPart;
+@synthesize numberOfBytesInPacket = _numberOfBytesInPacket;
+@synthesize delay = _delay;
+
+- (id)initWithStringEncoding:(NSStringEncoding)encoding {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    self.stringEncoding = encoding;
+    self.HTTPBodyParts = [NSMutableArray array];
+    self.numberOfBytesInPacket = NSIntegerMax;
+    
+    return self;
+}
+
+- (void)setInitialAndFinalBoundaries {
+    if ([self.HTTPBodyParts count] > 0) {
+        for (AFHTTPBodyPart *bodyPart in self.HTTPBodyParts) {
+            bodyPart.hasInitialBoundary = NO;
+            bodyPart.hasFinalBoundary = NO;
+        }
+        
+        [[self.HTTPBodyParts objectAtIndex:0] setHasInitialBoundary:YES];
+        [[self.HTTPBodyParts lastObject] setHasFinalBoundary:YES];
+    }
+}
+
+- (void)appendHTTPBodyPart:(AFHTTPBodyPart *)bodyPart {
+    [self.HTTPBodyParts addObject:bodyPart];
+}
+
+- (BOOL)isEmpty {
+    return [self.HTTPBodyParts count] == 0;
+}
+
+#pragma mark - NSInputStream
+
+- (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)length {
+    if ([self streamStatus] == NSStreamStatusClosed) {
+        return 0;
+    }
+    NSInteger bytesRead = 0;
+    
+    while ((NSUInteger)bytesRead < MIN(length, self.numberOfBytesInPacket)) {
+        if (!self.currentHTTPBodyPart || ![self.currentHTTPBodyPart hasBytesAvailable]) {
+            if (!(self.currentHTTPBodyPart = [self.HTTPBodyPartEnumerator nextObject])) {
+                break;
+            }
+        } else {
+            bytesRead += [self.currentHTTPBodyPart read:&buffer[bytesRead] maxLength:(length - (NSUInteger)bytesRead)];
+            if (self.delay > 0.0f) {
+                [NSThread sleepForTimeInterval:self.delay];
+            }
+        }
+    }
+    return bytesRead;
+}
+
+- (BOOL)getBuffer:(__unused uint8_t **)buffer length:(__unused NSUInteger *)len {
+    return NO;
+}
+
+- (BOOL)hasBytesAvailable {
+    return [self streamStatus] == NSStreamStatusOpen;
+}
+
+#pragma mark - NSStream
+
+- (void)open {
+    if (self.streamStatus == NSStreamStatusOpen) {
+        return;
+    }
+    
+    self.streamStatus = NSStreamStatusOpen;
+    
+    [self setInitialAndFinalBoundaries];
+    self.HTTPBodyPartEnumerator = [self.HTTPBodyParts objectEnumerator];
+}
+
+- (void)close {
+    self.streamStatus = NSStreamStatusClosed;
+}
+
+- (id)propertyForKey:(__unused NSString *)key {
+    return nil;
+}
+
+- (BOOL)setProperty:(__unused id)property forKey:(__unused NSString *)key {
+    return NO;
+}
+
+- (void)scheduleInRunLoop:(__unused NSRunLoop *)aRunLoop
+                  forMode:(__unused NSString *)mode
+{}
+
+- (void)removeFromRunLoop:(__unused NSRunLoop *)aRunLoop
+                  forMode:(__unused NSString *)mode
+{}
+
+- (unsigned long long)contentLength {
+    unsigned long long length = 0;
+    for (AFHTTPBodyPart *bodyPart in self.HTTPBodyParts) {
+        length += [bodyPart contentLength];
+    }
+    
+    return length;
+}
+
+#pragma mark - Undocumented CFReadStream Bridged Methods
+
+- (void)_scheduleInCFRunLoop:(__unused CFRunLoopRef)aRunLoop
+                     forMode:(__unused CFStringRef)aMode
+{}
+
+- (void)_unscheduleFromCFRunLoop:(__unused CFRunLoopRef)aRunLoop
+                         forMode:(__unused CFStringRef)aMode
+{}
+
+- (BOOL)_setCFClientFlags:(__unused CFOptionFlags)inFlags
+                 callback:(__unused CFReadStreamClientCallBack)inCallback
+                  context:(__unused CFStreamClientContext *)inContext {
+    return NO;
+}
+
+@end
+
+#pragma mark -
+
+typedef enum {
+    AFEncapsulationBoundaryPhase = 1,
+    AFHeaderPhase                = 2,
+    AFBodyPhase                  = 3,
+    AFFinalBoundaryPhase         = 4,
+} AFHTTPBodyPartReadPhase;
+
+@interface AFHTTPBodyPart () {
+    AFHTTPBodyPartReadPhase _phase;
+    unsigned long long _phaseReadOffset;
+}
+
+- (BOOL)transitionToNextPhase;
+@end
+
+@implementation AFHTTPBodyPart
+@synthesize stringEncoding = _stringEncoding;
+@synthesize headers = _headers;
+@synthesize bodyContentLength = _bodyContentLength;
+@synthesize inputStream = _inputStream;
+@synthesize hasInitialBoundary = _hasInitialBoundary;
+@synthesize hasFinalBoundary = _hasFinalBoundary;
+
+- (id)init {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    [self transitionToNextPhase];
+    
+    return self;
+}
+
+- (void)dealloc {
+    if (_inputStream) {
+        [_inputStream close];
+        _inputStream = nil;
+    }
+}
+
+- (NSString *)stringForHeaders {
+    NSMutableString *headerString = [NSMutableString string];
+    for (NSString *field in [self.headers allKeys]) {
+        [headerString appendString:[NSString stringWithFormat:@"%@: %@%@", field, [self.headers valueForKey:field], kAFMultipartFormCRLF]];
+    }
+    [headerString appendString:kAFMultipartFormCRLF];
+    
+    return [NSString stringWithString:headerString];
+}
+
+- (unsigned long long)contentLength {
+    unsigned long long length = 0;
+    
+    NSData *encapsulationBoundaryData = [([self hasInitialBoundary] ? AFMultipartFormInitialBoundary() : AFMultipartFormEncapsulationBoundary()) dataUsingEncoding:self.stringEncoding];
+    length += [encapsulationBoundaryData length];
+    
+    NSData *headersData = [[self stringForHeaders] dataUsingEncoding:self.stringEncoding];
+    length += [headersData length];
+    
+    length += _bodyContentLength;
+    
+    NSData *closingBoundaryData = ([self hasFinalBoundary] ? [AFMultipartFormFinalBoundary() dataUsingEncoding:self.stringEncoding] : [NSData data]);
+    length += [closingBoundaryData length];
+    
+    return length;
+}
+
+- (BOOL)hasBytesAvailable {
+    // Allows `read:maxLength:` to be called again if `AFMultipartFormFinalBoundary` doesn't fit into the avaiable buffer
+    if (_phase == AFFinalBoundaryPhase) {
+        return YES;
+    }
+    
+    switch (self.inputStream.streamStatus) {
+        case NSStreamStatusNotOpen:
+        case NSStreamStatusOpening:
+        case NSStreamStatusOpen:
+        case NSStreamStatusReading:
+        case NSStreamStatusWriting:
+            return YES;
+        case NSStreamStatusAtEnd:
+        case NSStreamStatusClosed:
+        case NSStreamStatusError:
+            return NO;
+    }
+}
+
+- (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)length {
+    NSInteger bytesRead = 0;
+    
+    if (_phase == AFEncapsulationBoundaryPhase) {
+        NSData *encapsulationBoundaryData = [([self hasInitialBoundary] ? AFMultipartFormInitialBoundary() : AFMultipartFormEncapsulationBoundary()) dataUsingEncoding:self.stringEncoding];
+        bytesRead += [self readData:encapsulationBoundaryData intoBuffer:&buffer[bytesRead] maxLength:(length - (NSUInteger)bytesRead)];
+    }
+    
+    if (_phase == AFHeaderPhase) {
+        NSData *headersData = [[self stringForHeaders] dataUsingEncoding:self.stringEncoding];
+        bytesRead += [self readData:headersData intoBuffer:&buffer[bytesRead] maxLength:(length - (NSUInteger)bytesRead)];
+    }
+    
+    if (_phase == AFBodyPhase) {
+        if ([self.inputStream hasBytesAvailable]) {
+            bytesRead += [self.inputStream read:&buffer[bytesRead] maxLength:(length - (NSUInteger)bytesRead)];
+        }
+        
+        if (![self.inputStream hasBytesAvailable]) {
+            [self transitionToNextPhase];
+        }
+    }
+    
+    if (_phase == AFFinalBoundaryPhase) {
+        NSData *closingBoundaryData = ([self hasFinalBoundary] ? [AFMultipartFormFinalBoundary() dataUsingEncoding:self.stringEncoding] : [NSData data]);
+        bytesRead += [self readData:closingBoundaryData intoBuffer:&buffer[bytesRead] maxLength:(length - (NSUInteger)bytesRead)];
+    }
+
+    return bytesRead;
+}
+
+- (NSInteger)readData:(NSData *)data
+           intoBuffer:(uint8_t *)buffer
+            maxLength:(NSUInteger)length
+{
+    NSRange range = NSMakeRange((NSUInteger)_phaseReadOffset, MIN([data length] - ((NSUInteger)_phaseReadOffset), length));
+    [data getBytes:buffer range:range];
+    
+    _phaseReadOffset += range.length;
+    
+    if (((NSUInteger)_phaseReadOffset) >= [data length]) {
+        [self transitionToNextPhase];
+    }
+    
+    return (NSInteger)range.length;
+}
+
+- (BOOL)transitionToNextPhase {
+    if (![[NSThread currentThread] isMainThread]) {
+        [self performSelectorOnMainThread:@selector(transitionToNextPhase) withObject:nil waitUntilDone:YES];
+        return YES;
+    }
+    
+    switch (_phase) {
+        case AFEncapsulationBoundaryPhase:
+            _phase = AFHeaderPhase;
+            break;
+        case AFHeaderPhase:
+            [self.inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
+            [self.inputStream open];
+            _phase = AFBodyPhase;
+            break;
+        case AFBodyPhase:
+            [self.inputStream close];
+            _phase = AFFinalBoundaryPhase;
+            break;
+        case AFFinalBoundaryPhase:
+        default:
+            _phase = AFEncapsulationBoundaryPhase;
+            break;
+    }
+    _phaseReadOffset = 0;
+    
+    return YES;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.h
new file mode 100644
index 0000000..d6776b3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.h
@@ -0,0 +1,133 @@
+// AFHTTPRequestOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFURLConnectionOperation.h"
+
+/**
+ `AFHTTPRequestOperation` is a subclass of `AFURLConnectionOperation` for requests using the HTTP or HTTPS protocols. It encapsulates the concept of acceptable status codes and content types, which determine the success or failure of a request.
+ */
+@interface AFHTTPRequestOperation : AFURLConnectionOperation
+
+///----------------------------------------------
+/// @name Getting HTTP URL Connection Information
+///----------------------------------------------
+
+/**
+ The last HTTP response received by the operation's connection.
+ */
+@property (readonly, nonatomic, strong) NSHTTPURLResponse *response;
+
+///----------------------------------------------------------
+/// @name Managing And Checking For Acceptable HTTP Responses
+///----------------------------------------------------------
+
+/**
+ A Boolean value that corresponds to whether the status code of the response is within the specified set of acceptable status codes. Returns `YES` if `acceptableStatusCodes` is `nil`.
+ */
+@property (nonatomic, readonly) BOOL hasAcceptableStatusCode;
+
+/**
+ A Boolean value that corresponds to whether the MIME type of the response is among the specified set of acceptable content types. Returns `YES` if `acceptableContentTypes` is `nil`.
+ */
+@property (nonatomic, readonly) BOOL hasAcceptableContentType;
+
+/** 
+ The callback dispatch queue on success. If `NULL` (default), the main queue is used.
+ */
+@property (nonatomic, assign) dispatch_queue_t successCallbackQueue;
+
+/** 
+ The callback dispatch queue on failure. If `NULL` (default), the main queue is used.
+ */
+@property (nonatomic, assign) dispatch_queue_t failureCallbackQueue;
+
+///------------------------------------------------------------
+/// @name Managing Acceptable HTTP Status Codes & Content Types
+///------------------------------------------------------------
+
+/**
+ Returns an `NSIndexSet` object containing the ranges of acceptable HTTP status codes. When non-`nil`, the operation will set the `error` property to an error in `AFErrorDomain`. See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+ 
+ By default, this is the range 200 to 299, inclusive.
+ */
++ (NSIndexSet *)acceptableStatusCodes;
+
+/**
+ Adds status codes to the set of acceptable HTTP status codes returned by `+acceptableStatusCodes` in subsequent calls by this class and its descendants.
+ 
+ @param statusCodes The status codes to be added to the set of acceptable HTTP status codes
+ */
++ (void)addAcceptableStatusCodes:(NSIndexSet *)statusCodes;
+
+/**
+ Returns an `NSSet` object containing the acceptable MIME types. When non-`nil`, the operation will set the `error` property to an error in `AFErrorDomain`. See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.17 
+ 
+ By default, this is `nil`.
+ */
++ (NSSet *)acceptableContentTypes;
+
+/**
+ Adds content types to the set of acceptable MIME types returned by `+acceptableContentTypes` in subsequent calls by this class and its descendants.
+
+ @param contentTypes The content types to be added to the set of acceptable MIME types
+ */
++ (void)addAcceptableContentTypes:(NSSet *)contentTypes;
+
+
+///-----------------------------------------------------
+/// @name Determining Whether A Request Can Be Processed
+///-----------------------------------------------------
+
+/**
+ A Boolean value determining whether or not the class can process the specified request. For example, `AFJSONRequestOperation` may check to make sure the content type was `application/json` or the URL path extension was `.json`.
+ 
+ @param urlRequest The request that is determined to be supported or not supported for this class.
+ */
++ (BOOL)canProcessRequest:(NSURLRequest *)urlRequest;
+
+///-----------------------------------------------------------
+/// @name Setting Completion Block Success / Failure Callbacks
+///-----------------------------------------------------------
+
+/**
+ Sets the `completionBlock` property with a block that executes either the specified success or failure block, depending on the state of the request on completion. If `error` returns a value, which can be caused by an unacceptable status code or content type, then `failure` is executed. Otherwise, `success` is executed.
+ 
+ @param success The block to be executed on the completion of a successful request. This block has no return value and takes two arguments: the receiver operation and the object constructed from the response data of the request.
+ @param failure The block to be executed on the completion of an unsuccessful request. This block has no return value and takes two arguments: the receiver operation and the error that occurred during the request.
+ 
+ @discussion This method should be overridden in subclasses in order to specify the response object passed into the success block.
+ */
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+@end
+
+///----------------
+/// @name Functions
+///----------------
+
+/**
+ Returns a set of MIME types detected in an HTTP `Accept` or `Content-Type` header.
+ */
+extern NSSet * AFContentTypesFromHTTPHeader(NSString *string);
+
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.m
new file mode 100644
index 0000000..091f05b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFHTTPRequestOperation.m
@@ -0,0 +1,369 @@
+// AFHTTPRequestOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFHTTPRequestOperation.h"
+#import <objc/runtime.h>
+
+// Workaround for change in imp_implementationWithBlock() with Xcode 4.5
+#if defined(__IPHONE_6_0) || defined(__MAC_10_8)
+    #define AF_CAST_TO_BLOCK id
+#else
+    #define AF_CAST_TO_BLOCK __bridge void *
+#endif
+
+// We do a little bit of duck typing in this file which can trigger this warning.  Turn it off for this source file. 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wstrict-selector-match"
+
+NSSet * AFContentTypesFromHTTPHeader(NSString *string) {
+    if (!string) {
+        return nil;
+    }
+
+    NSArray *mediaRanges = [string componentsSeparatedByString:@","];
+    NSMutableSet *mutableContentTypes = [NSMutableSet setWithCapacity:mediaRanges.count];
+
+    [mediaRanges enumerateObjectsUsingBlock:^(NSString *mediaRange, __unused NSUInteger idx, __unused BOOL *stop) {
+        NSRange parametersRange = [mediaRange rangeOfString:@";"];
+        if (parametersRange.location != NSNotFound) {
+            mediaRange = [mediaRange substringToIndex:parametersRange.location];
+        }
+        
+        mediaRange = [mediaRange stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+        
+        if (mediaRange.length > 0) {
+            [mutableContentTypes addObject:mediaRange];
+        }
+    }];
+
+    return [NSSet setWithSet:mutableContentTypes];
+}
+
+static void AFGetMediaTypeAndSubtypeWithString(NSString *string, NSString **type, NSString **subtype) {
+    NSScanner *scanner = [NSScanner scannerWithString:string];
+    [scanner setCharactersToBeSkipped:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+    [scanner scanUpToString:@"/" intoString:type];
+    [scanner scanString:@"/" intoString:nil];
+    [scanner scanUpToString:@";" intoString:subtype];
+}
+
+static NSString * AFStringFromIndexSet(NSIndexSet *indexSet) {
+    NSMutableString *string = [NSMutableString string];
+
+    NSRange range = NSMakeRange([indexSet firstIndex], 1);
+    while (range.location != NSNotFound) {
+        NSUInteger nextIndex = [indexSet indexGreaterThanIndex:range.location];
+        while (nextIndex == range.location + range.length) {
+            range.length++;
+            nextIndex = [indexSet indexGreaterThanIndex:nextIndex];
+        }
+
+        if (string.length) {
+            [string appendString:@","];
+        }
+
+        if (range.length == 1) {
+            [string appendFormat:@"%lu", (long)range.location];
+        } else {
+            NSUInteger firstIndex = range.location;
+            NSUInteger lastIndex = firstIndex + range.length - 1;
+            [string appendFormat:@"%lu-%lu", (long)firstIndex, (long)lastIndex];
+        }
+
+        range.location = nextIndex;
+        range.length = 1;
+    }
+
+    return string;
+}
+
+static void AFSwizzleClassMethodWithClassAndSelectorUsingBlock(Class klass, SEL selector, id block) {
+    Method originalMethod = class_getClassMethod(klass, selector);
+    IMP implementation = imp_implementationWithBlock((AF_CAST_TO_BLOCK)block);
+    class_replaceMethod(objc_getMetaClass([NSStringFromClass(klass) UTF8String]), selector, implementation, method_getTypeEncoding(originalMethod));
+}
+
+#pragma mark -
+
+@interface AFHTTPRequestOperation ()
+@property (readwrite, nonatomic, strong) NSURLRequest *request;
+@property (readwrite, nonatomic, strong) NSHTTPURLResponse *response;
+@property (readwrite, nonatomic, strong) NSError *HTTPError;
+@property (readwrite, nonatomic, copy) NSString *HTTPResponseString;
+@property (readwrite, nonatomic, assign) long long totalContentLength;
+@property (readwrite, nonatomic, assign) long long offsetContentLength;
+@end
+
+@implementation AFHTTPRequestOperation
+@synthesize HTTPError = _HTTPError;
+@synthesize HTTPResponseString = _HTTPResponseString;
+@synthesize successCallbackQueue = _successCallbackQueue;
+@synthesize failureCallbackQueue = _failureCallbackQueue;
+@synthesize totalContentLength = _totalContentLength;
+@synthesize offsetContentLength = _offsetContentLength;
+@dynamic request;
+@dynamic response;
+
+- (void)dealloc {
+    if (_successCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+        dispatch_release(_successCallbackQueue);
+#endif
+        _successCallbackQueue = NULL;
+    }
+    
+    if (_failureCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+        dispatch_release(_failureCallbackQueue);
+#endif
+        _failureCallbackQueue = NULL;
+    }
+}
+
+- (NSError *)error {
+    if (!self.HTTPError && self.response) {
+        if (![self hasAcceptableStatusCode] || ![self hasAcceptableContentType]) {
+            NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+            [userInfo setValue:self.responseString forKey:NSLocalizedRecoverySuggestionErrorKey];
+            [userInfo setValue:[self.request URL] forKey:NSURLErrorFailingURLErrorKey];
+            [userInfo setValue:self.request forKey:AFNetworkingOperationFailingURLRequestErrorKey];
+            [userInfo setValue:self.response forKey:AFNetworkingOperationFailingURLResponseErrorKey];
+            
+            if (![self hasAcceptableStatusCode]) {
+                NSUInteger statusCode = ([self.response isKindOfClass:[NSHTTPURLResponse class]]) ? (NSUInteger)[self.response statusCode] : 200;
+                [userInfo setValue:[NSString stringWithFormat:NSLocalizedStringFromTable(@"Expected status code in (%@), got %d", @"AFNetworking", nil), AFStringFromIndexSet([[self class] acceptableStatusCodes]), statusCode] forKey:NSLocalizedDescriptionKey];
+                self.HTTPError = [[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadServerResponse userInfo:userInfo];
+            } else if (![self hasAcceptableContentType]) {
+                // Don't invalidate content type if there is no content
+                if ([self.responseData length] > 0) {
+                    [userInfo setValue:[NSString stringWithFormat:NSLocalizedStringFromTable(@"Expected content type %@, got %@", @"AFNetworking", nil), [[self class] acceptableContentTypes], [self.response MIMEType]] forKey:NSLocalizedDescriptionKey];
+                    self.HTTPError = [[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorCannotDecodeContentData userInfo:userInfo];
+                }
+            }
+        }
+    }
+    
+    if (self.HTTPError) {
+        return self.HTTPError;
+    } else {
+        return [super error];
+    }
+}
+
+- (NSString *)responseString {
+    // When no explicit charset parameter is provided by the sender, media subtypes of the "text" type are defined to have a default charset value of "ISO-8859-1" when received via HTTP. Data in character sets other than "ISO-8859-1" or its subsets MUST be labeled with an appropriate charset value.
+    // See http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.4.1
+    if (!self.HTTPResponseString && self.response && !self.response.textEncodingName && self.responseData) {
+        NSString *type = nil;
+        AFGetMediaTypeAndSubtypeWithString([[self.response allHeaderFields] valueForKey:@"Content-Type"], &type, nil);
+
+        if ([type isEqualToString:@"text"]) {
+            self.HTTPResponseString = [[NSString alloc] initWithData:self.responseData encoding:NSISOLatin1StringEncoding];
+        }
+    }
+
+    if (self.HTTPResponseString) {
+        return self.HTTPResponseString;
+    } else {
+        return [super responseString];
+    }
+}
+
+- (void)pause {
+    unsigned long long offset = 0; 
+    if ([self.outputStream propertyForKey:NSStreamFileCurrentOffsetKey]) {
+        offset = [[self.outputStream propertyForKey:NSStreamFileCurrentOffsetKey] unsignedLongLongValue];
+    } else {
+        offset = [[self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey] length];
+    }
+
+    NSMutableURLRequest *mutableURLRequest = [self.request mutableCopy];
+    if ([[self.response allHeaderFields] valueForKey:@"ETag"]) {
+        [mutableURLRequest setValue:[[self.response allHeaderFields] valueForKey:@"ETag"] forHTTPHeaderField:@"If-Range"];
+    }
+    [mutableURLRequest setValue:[NSString stringWithFormat:@"bytes=%llu-", offset] forHTTPHeaderField:@"Range"];
+    self.request = mutableURLRequest;
+    
+    [super pause];
+}
+
+- (BOOL)hasAcceptableStatusCode {
+	if (!self.response) {
+		return NO;
+	}
+    
+    NSUInteger statusCode = ([self.response isKindOfClass:[NSHTTPURLResponse class]]) ? (NSUInteger)[self.response statusCode] : 200;
+    return ![[self class] acceptableStatusCodes] || [[[self class] acceptableStatusCodes] containsIndex:statusCode];
+}
+
+- (BOOL)hasAcceptableContentType {
+    if (!self.response) {
+		return NO;
+	}
+    
+    // Any HTTP/1.1 message containing an entity-body SHOULD include a Content-Type header field defining the media type of that body. If and only if the media type is not given by a Content-Type field, the recipient MAY attempt to guess the media type via inspection of its content and/or the name extension(s) of the URI used to identify the resource. If the media type remains unknown, the recipient SHOULD treat it as type "application/octet-stream".
+    // See http://www.w3.org/Protocols/rfc2616/rfc2616-sec7.html
+    NSString *contentType = [self.response MIMEType];
+    if (!contentType) {
+        contentType = @"application/octet-stream";
+    }
+    
+    return ![[self class] acceptableContentTypes] || [[[self class] acceptableContentTypes] containsObject:contentType];
+}
+
+- (void)setSuccessCallbackQueue:(dispatch_queue_t)successCallbackQueue {
+    if (successCallbackQueue != _successCallbackQueue) {
+        if (_successCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+            dispatch_release(_successCallbackQueue);
+#endif
+            _successCallbackQueue = NULL;
+        }
+
+        if (successCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+            dispatch_retain(successCallbackQueue);
+#endif
+            _successCallbackQueue = successCallbackQueue;
+        }
+    }    
+}
+
+- (void)setFailureCallbackQueue:(dispatch_queue_t)failureCallbackQueue {
+    if (failureCallbackQueue != _failureCallbackQueue) {
+        if (_failureCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+            dispatch_release(_failureCallbackQueue);
+#endif
+            _failureCallbackQueue = NULL;
+        }
+        
+        if (failureCallbackQueue) {
+#if !OS_OBJECT_USE_OBJC
+            dispatch_retain(failureCallbackQueue);
+#endif
+            _failureCallbackQueue = failureCallbackQueue;
+        }
+    }    
+}
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    // completionBlock is manually nilled out in AFURLConnectionOperation to break the retain cycle.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+    self.completionBlock = ^{
+        if (self.error) {
+            if (failure) {
+                dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                    failure(self, self.error);
+                });
+            }
+        } else {
+            if (success) {
+                dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
+                    success(self, self.responseData);
+                });
+            }
+        }
+    };
+#pragma clang diagnostic pop
+}
+
+#pragma mark - AFHTTPRequestOperation
+
++ (NSIndexSet *)acceptableStatusCodes {
+    return [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)];
+}
+
++ (void)addAcceptableStatusCodes:(NSIndexSet *)statusCodes {
+    NSMutableIndexSet *mutableStatusCodes = [[NSMutableIndexSet alloc] initWithIndexSet:[self acceptableStatusCodes]];
+    [mutableStatusCodes addIndexes:statusCodes];
+    AFSwizzleClassMethodWithClassAndSelectorUsingBlock([self class], @selector(acceptableStatusCodes), ^(__unused id _self) {
+        return mutableStatusCodes;
+    });
+}
+
++ (NSSet *)acceptableContentTypes {
+    return nil;
+}
+
++ (void)addAcceptableContentTypes:(NSSet *)contentTypes {
+    NSMutableSet *mutableContentTypes = [[NSMutableSet alloc] initWithSet:[self acceptableContentTypes] copyItems:YES];
+    [mutableContentTypes unionSet:contentTypes];
+    AFSwizzleClassMethodWithClassAndSelectorUsingBlock([self class], @selector(acceptableContentTypes), ^(__unused id _self) {
+        return mutableContentTypes;
+    });
+}
+
++ (BOOL)canProcessRequest:(NSURLRequest *)request {
+    if ([[self class] isEqual:[AFHTTPRequestOperation class]]) {
+        return YES;
+    }
+    
+    return [[self acceptableContentTypes] intersectsSet:AFContentTypesFromHTTPHeader([request valueForHTTPHeaderField:@"Accept"])];
+}
+
+#pragma mark - NSURLConnectionDelegate
+
+- (void)connection:(__unused NSURLConnection *)connection 
+didReceiveResponse:(NSURLResponse *)response 
+{
+    self.response = (NSHTTPURLResponse *)response;
+    
+    // Set Content-Range header if status code of response is 206 (Partial Content)
+    // See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.2.7
+    long long totalContentLength = self.response.expectedContentLength;
+    long long fileOffset = 0;
+    NSUInteger statusCode = ([self.response isKindOfClass:[NSHTTPURLResponse class]]) ? (NSUInteger)[self.response statusCode] : 200;
+    if (statusCode == 206) {
+        NSString *contentRange = [self.response.allHeaderFields valueForKey:@"Content-Range"];
+        if ([contentRange hasPrefix:@"bytes"]) {
+            NSArray *byteRanges = [contentRange componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@" -/"]];
+            if ([byteRanges count] == 4) {
+                fileOffset = [[byteRanges objectAtIndex:1] longLongValue];
+                totalContentLength = [[byteRanges objectAtIndex:2] longLongValue] ?: -1; // if this is "*", it's converted to 0, but -1 is default.
+            }
+        }
+    } else {
+        if ([self.outputStream propertyForKey:NSStreamFileCurrentOffsetKey]) {
+            [self.outputStream setProperty:[NSNumber numberWithInteger:0] forKey:NSStreamFileCurrentOffsetKey];
+        } else {
+            if ([[self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey] length] > 0) {
+                self.outputStream = [NSOutputStream outputStreamToMemory];
+                
+                NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
+                for (NSString *runLoopMode in self.runLoopModes) {
+                    [self.outputStream scheduleInRunLoop:runLoop forMode:runLoopMode];
+                }
+            }
+        }
+    }
+    
+    self.offsetContentLength = MAX(fileOffset, 0);
+    self.totalContentLength = totalContentLength;
+    
+    [self.outputStream open];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.h
new file mode 100644
index 0000000..d991b25
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.h
@@ -0,0 +1,108 @@
+// AFImageRequestOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFHTTPRequestOperation.h"
+
+#import <Availability.h>
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    #import <UIKit/UIKit.h>
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+    #import <Cocoa/Cocoa.h>
+#endif
+
+/**
+ `AFImageRequestOperation` is a subclass of `AFHTTPRequestOperation` for downloading an processing images.
+ 
+ ## Acceptable Content Types
+ 
+ By default, `AFImageRequestOperation` accepts the following MIME types, which correspond to the image formats supported by UIImage or NSImage:
+ 
+ - `image/tiff`
+ - `image/jpeg`
+ - `image/gif`
+ - `image/png`
+ - `image/ico`
+ - `image/x-icon`
+ - `image/bmp`
+ - `image/x-bmp`
+ - `image/x-xbitmap`
+ - `image/x-win-bitmap`
+ */
+@interface AFImageRequestOperation : AFHTTPRequestOperation
+
+/**
+ An image constructed from the response data. If an error occurs during the request, `nil` will be returned, and the `error` property will be set to the error.
+ */
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+@property (readonly, nonatomic, strong) UIImage *responseImage;
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+@property (readonly, nonatomic, strong) NSImage *responseImage;
+#endif
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+/**
+ The scale factor used when interpreting the image data to construct `responseImage`. Specifying a scale factor of 1.0 results in an image whose size matches the pixel-based dimensions of the image. Applying a different scale factor changes the size of the image as reported by the size property. This is set to the value of scale of the main screen by default, which automatically scales images for retina displays, for instance.
+ */
+@property (nonatomic, assign) CGFloat imageScale;
+#endif
+
+/**
+ Creates and returns an `AFImageRequestOperation` object and sets the specified success callback.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation.
+ @param success A block object to be executed when the request finishes successfully. This block has no return value and takes a single arguments, the image created from the response data of the request.
+ 
+ @return A new image request operation
+ */
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest                
+										 success:(void (^)(UIImage *image))success;
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest                
+										 success:(void (^)(NSImage *image))success;
+#endif
+
+/**
+ Creates and returns an `AFImageRequestOperation` object and sets the specified success callback.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation.
+ @param imageProcessingBlock A block object to be executed after the image request finishes successfully, but before the image is returned in the `success` block. This block takes a single argument, the image loaded from the response body, and returns the processed image.
+ @param success A block object to be executed when the request finishes successfully, with a status code in the 2xx range, and with an acceptable content type (e.g. `image/png`). This block has no return value and takes three arguments: the request object of the operation, the response for the request, and the image created from the response data.
+ @param failure A block object to be executed when the request finishes unsuccessfully. This block has no return value and takes three arguments: the request object of the operation, the response for the request, and the error associated with the cause for the unsuccessful operation.
+ 
+ @return A new image request operation
+ */
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest
+							imageProcessingBlock:(UIImage *(^)(UIImage *image))imageProcessingBlock
+										 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image))success
+										 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure;
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest
+							imageProcessingBlock:(NSImage *(^)(NSImage *image))imageProcessingBlock
+										 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSImage *image))success
+										 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure;
+#endif
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.m
new file mode 100644
index 0000000..1eca51e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFImageRequestOperation.m
@@ -0,0 +1,233 @@
+// AFImageRequestOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFImageRequestOperation.h"
+
+static dispatch_queue_t af_image_request_operation_processing_queue;
+static dispatch_queue_t image_request_operation_processing_queue() {
+    if (af_image_request_operation_processing_queue == NULL) {
+        af_image_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.image-request.processing", 0);
+    }
+    
+    return af_image_request_operation_processing_queue;
+}
+
+@interface AFImageRequestOperation ()
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+@property (readwrite, nonatomic, strong) UIImage *responseImage;
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+@property (readwrite, nonatomic, strong) NSImage *responseImage;
+#endif
+@end
+
+@implementation AFImageRequestOperation
+@synthesize responseImage = _responseImage;
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+@synthesize imageScale = _imageScale;
+#endif
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest                
+										 success:(void (^)(UIImage *image))success
+{
+    return [self imageRequestOperationWithRequest:urlRequest imageProcessingBlock:nil success:^(NSURLRequest __unused *request, NSHTTPURLResponse __unused *response, UIImage *image) {
+        if (success) {
+            success(image);
+        }
+    } failure:nil];
+}
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest                
+										 success:(void (^)(NSImage *image))success
+{
+    return [self imageRequestOperationWithRequest:urlRequest imageProcessingBlock:nil success:^(NSURLRequest __unused *request, NSHTTPURLResponse __unused *response, NSImage *image) {
+        if (success) {
+            success(image);
+        }
+    } failure:nil];
+}
+#endif
+
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest
+							imageProcessingBlock:(UIImage *(^)(UIImage *))imageProcessingBlock
+										 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image))success
+										 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure
+{
+    AFImageRequestOperation *requestOperation = [[AFImageRequestOperation alloc] initWithRequest:urlRequest];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        if (success) {
+            UIImage *image = responseObject;
+            if (imageProcessingBlock) {
+                dispatch_async(image_request_operation_processing_queue(), ^(void) {
+                    UIImage *processedImage = imageProcessingBlock(image);
+
+                    dispatch_async(operation.successCallbackQueue ?: dispatch_get_main_queue(), ^(void) {
+                        success(operation.request, operation.response, processedImage);
+                    });
+                });
+            } else {
+                success(operation.request, operation.response, image);
+            }
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            failure(operation.request, operation.response, error);
+        }
+    }];
+    
+    
+    return requestOperation;
+}
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
++ (instancetype)imageRequestOperationWithRequest:(NSURLRequest *)urlRequest
+							imageProcessingBlock:(NSImage *(^)(NSImage *))imageProcessingBlock
+										 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSImage *image))success
+										 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure
+{
+    AFImageRequestOperation *requestOperation = [[AFImageRequestOperation alloc] initWithRequest:urlRequest];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        if (success) {
+            NSImage *image = responseObject;
+            if (imageProcessingBlock) {
+                dispatch_async(image_request_operation_processing_queue(), ^(void) {
+                    NSImage *processedImage = imageProcessingBlock(image);
+
+                    dispatch_async(operation.successCallbackQueue ?: dispatch_get_main_queue(), ^(void) {
+                        success(operation.request, operation.response, processedImage);
+                    });
+                });
+            } else {
+                success(operation.request, operation.response, image);
+            }
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            failure(operation.request, operation.response, error);
+        }
+    }];
+    
+    return requestOperation;
+}
+#endif
+
+- (id)initWithRequest:(NSURLRequest *)urlRequest {
+    self = [super initWithRequest:urlRequest];
+    if (!self) {
+        return nil;
+    }
+        
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    self.imageScale = [[UIScreen mainScreen] scale];
+#endif
+    
+    return self;
+}
+
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+- (UIImage *)responseImage {
+    if (!_responseImage && [self.responseData length] > 0 && [self isFinished]) {
+        UIImage *image = [UIImage imageWithData:self.responseData];
+        
+        self.responseImage = [UIImage imageWithCGImage:[image CGImage] scale:self.imageScale orientation:image.imageOrientation];
+    }
+    
+    return _responseImage;
+}
+
+- (void)setImageScale:(CGFloat)imageScale {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wfloat-equal"
+    if (imageScale == _imageScale) {
+        return;
+    }
+#pragma clang diagnostic pop
+    
+    _imageScale = imageScale;
+    
+    self.responseImage = nil;
+}
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+- (NSImage *)responseImage {
+    if (!_responseImage && [self.responseData length] > 0 && [self isFinished]) {
+        // Ensure that the image is set to it's correct pixel width and height
+        NSBitmapImageRep *bitimage = [[NSBitmapImageRep alloc] initWithData:self.responseData];
+        self.responseImage = [[NSImage alloc] initWithSize:NSMakeSize([bitimage pixelsWide], [bitimage pixelsHigh])];
+        [self.responseImage addRepresentation:bitimage];
+    }
+    
+    return _responseImage;
+}
+#endif
+
+#pragma mark - AFHTTPRequestOperation
+
++ (NSSet *)acceptableContentTypes {
+    return [NSSet setWithObjects:@"image/tiff", @"image/jpeg", @"image/gif", @"image/png", @"image/ico", @"image/x-icon", @"image/bmp", @"image/x-bmp", @"image/x-xbitmap", @"image/x-win-bitmap", nil];
+}
+
++ (BOOL)canProcessRequest:(NSURLRequest *)request {
+    static NSSet * _acceptablePathExtension = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _acceptablePathExtension = [[NSSet alloc] initWithObjects:@"tif", @"tiff", @"jpg", @"jpeg", @"gif", @"png", @"ico", @"bmp", @"cur", nil];
+    });
+    
+    return [_acceptablePathExtension containsObject:[[request URL] pathExtension]] || [super canProcessRequest:request];    
+}
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+    self.completionBlock = ^ {
+        dispatch_async(image_request_operation_processing_queue(), ^(void) {
+            if (self.error) {
+                if (failure) {
+                    dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                        failure(self, self.error);
+                    });
+                }
+            } else {            
+                if (success) {
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+                    UIImage *image = nil;
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
+                    NSImage *image = nil;
+#endif
+
+                    image = self.responseImage;
+
+                    dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
+                        success(self, image);
+                    });
+                }
+            }
+        });        
+    };
+#pragma clang diagnostic pop
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.h
new file mode 100644
index 0000000..d625cb2
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.h
@@ -0,0 +1,71 @@
+// AFJSONRequestOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFHTTPRequestOperation.h"
+
+/**
+ `AFJSONRequestOperation` is a subclass of `AFHTTPRequestOperation` for downloading and working with JSON response data.
+ 
+ ## Acceptable Content Types
+ 
+ By default, `AFJSONRequestOperation` accepts the following MIME types, which includes the official standard, `application/json`, as well as other commonly-used types:
+ 
+ - `application/json`
+ - `text/json`
+
+ @warning JSON parsing will use the built-in `NSJSONSerialization` class.
+ */
+@interface AFJSONRequestOperation : AFHTTPRequestOperation
+
+///----------------------------
+/// @name Getting Response Data
+///----------------------------
+
+/**
+ A JSON object constructed from the response data. If an error occurs while parsing, `nil` will be returned, and the `error` property will be set to the error.
+ */
+@property (readonly, nonatomic, strong) id responseJSON;
+
+/**
+ Options for reading the response JSON data and creating the Foundation objects. For possible values, see the `NSJSONSerialization` documentation section "NSJSONReadingOptions".
+ */
+@property (nonatomic, assign) NSJSONReadingOptions JSONReadingOptions;
+ 
+///----------------------------------
+/// @name Creating Request Operations
+///----------------------------------
+
+/**
+ Creates and returns an `AFJSONRequestOperation` object and sets the specified success and failure callbacks.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation
+ @param success A block object to be executed when the operation finishes successfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the JSON object created from the response data of request.
+ @param failure A block object to be executed when the operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data as JSON. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the error describing the network or parsing error that occurred.
+  
+ @return A new JSON request operation
+ */
++ (instancetype)JSONRequestOperationWithRequest:(NSURLRequest *)urlRequest
+										success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, id JSON))success
+										failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON))failure;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.m
new file mode 100644
index 0000000..3807a0b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFJSONRequestOperation.m
@@ -0,0 +1,137 @@
+// AFJSONRequestOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFJSONRequestOperation.h"
+
+static dispatch_queue_t af_json_request_operation_processing_queue;
+static dispatch_queue_t json_request_operation_processing_queue() {
+    if (af_json_request_operation_processing_queue == NULL) {
+        af_json_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.json-request.processing", 0);
+    }
+    
+    return af_json_request_operation_processing_queue;
+}
+
+@interface AFJSONRequestOperation ()
+@property (readwrite, nonatomic, strong) id responseJSON;
+@property (readwrite, nonatomic, strong) NSError *JSONError;
+@end
+
+@implementation AFJSONRequestOperation
+@synthesize responseJSON = _responseJSON;
+@synthesize JSONReadingOptions = _JSONReadingOptions;
+@synthesize JSONError = _JSONError;
+
++ (instancetype)JSONRequestOperationWithRequest:(NSURLRequest *)urlRequest
+										success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, id JSON))success
+										failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON))failure
+{
+    AFJSONRequestOperation *requestOperation = [(AFJSONRequestOperation *)[self alloc] initWithRequest:urlRequest];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        if (success) {
+            success(operation.request, operation.response, responseObject);
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            failure(operation.request, operation.response, error, [(AFJSONRequestOperation *)operation responseJSON]);
+        }
+    }];
+    
+    return requestOperation;
+}
+
+
+- (id)responseJSON {
+    if (!_responseJSON && [self.responseData length] > 0 && [self isFinished] && !self.JSONError) {
+        NSError *error = nil;
+
+        // Workaround for behavior of Rails to return a single space for `head :ok` (a workaround for a bug in Safari), which is not interpreted as valid input by NSJSONSerialization.
+        // See https://github.com/rails/rails/issues/1742
+        if ([self.responseData length] == 0 || [self.responseString isEqualToString:@" "]) {
+            self.responseJSON = nil;
+        } else {
+            // Workaround for a bug in NSJSONSerialization when Unicode character escape codes are used instead of the actual character
+            // See http://stackoverflow.com/a/12843465/157142
+            NSData *JSONData = [self.responseString dataUsingEncoding:self.responseStringEncoding];
+            self.responseJSON = [NSJSONSerialization JSONObjectWithData:JSONData options:self.JSONReadingOptions error:&error];
+        }
+        
+        self.JSONError = error;
+    }
+    
+    return _responseJSON;
+}
+
+- (NSError *)error {
+    if (_JSONError) {
+        return _JSONError;
+    } else {
+        return [super error];
+    }
+}
+
+#pragma mark - AFHTTPRequestOperation
+
++ (NSSet *)acceptableContentTypes {
+    return [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript", nil];
+}
+
++ (BOOL)canProcessRequest:(NSURLRequest *)request {
+    return [[[request URL] pathExtension] isEqualToString:@"json"] || [super canProcessRequest:request];
+}
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+   self.completionBlock = ^ {        
+        if (self.error) {
+            if (failure) {
+                dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                    failure(self, self.error);
+                });
+            }
+        } else {
+            dispatch_async(json_request_operation_processing_queue(), ^{
+                id JSON = self.responseJSON;
+                
+                if (self.JSONError) {
+                    if (failure) {
+                        dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                            failure(self, self.error);
+                        });
+                    }
+                } else {
+                    if (success) {
+                        dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
+                            success(self, JSON);
+                        });
+                    }                    
+                }
+            });
+        }
+    };
+#pragma clang diagnostic pop
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.h
new file mode 100644
index 0000000..59cabcd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.h
@@ -0,0 +1,75 @@
+// AFNetworkActivityIndicatorManager.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import <Availability.h>
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+#import <UIKit/UIKit.h>
+
+/**
+ `AFNetworkActivityIndicatorManager` manages the state of the network activity indicator in the status bar. When enabled, it will listen for notifications indicating that a network request operation has started or finished, and start or stop animating the indicator accordingly. The number of active requests is incremented and decremented much like a stack or a semaphore, and the activity indicator will animate so long as that number is greater than zero.
+ 
+ You should enable the shared instance of `AFNetworkActivityIndicatorManager` when your application finishes launching. In `AppDelegate application:didFinishLaunchingWithOptions:` you can do so with the following code:
+ 
+        [[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
+ 
+ By setting `isNetworkActivityIndicatorVisible` to `YES` for `sharedManager`, the network activity indicator will show and hide automatically as requests start and finish. You should not ever need to call `incrementActivityCount` or `decrementActivityCount` yourself.
+ 
+ See the Apple Human Interface Guidelines section about the Network Activity Indicator for more information:
+ http://developer.apple.com/library/iOS/#documentation/UserExperience/Conceptual/MobileHIG/UIElementGuidelines/UIElementGuidelines.html#//apple_ref/doc/uid/TP40006556-CH13-SW44
+ */
+@interface AFNetworkActivityIndicatorManager : NSObject
+
+/**
+ A Boolean value indicating whether the manager is enabled. 
+ 
+ @discussion If YES, the manager will change status bar network activity indicator according to network operation notifications it receives. The default value is NO.
+ */
+@property (nonatomic, assign, getter = isEnabled) BOOL enabled;
+
+/**
+ A Boolean value indicating whether the network activity indicator is currently displayed in the status bar.
+ */
+@property (readonly, nonatomic, assign) BOOL isNetworkActivityIndicatorVisible; 
+
+/**
+ Returns the shared network activity indicator manager object for the system.
+ 
+ @return The systemwide network activity indicator manager.
+ */
++ (instancetype)sharedManager;
+
+/**
+ Increments the number of active network requests. If this number was zero before incrementing, this will start animating the status bar network activity indicator.
+ */
+- (void)incrementActivityCount;
+
+/**
+ Decrements the number of active network requests. If this number becomes zero before decrementing, this will stop animating the status bar network activity indicator.
+ */
+- (void)decrementActivityCount;
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.m
new file mode 100644
index 0000000..8f4d868
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworkActivityIndicatorManager.m
@@ -0,0 +1,131 @@
+// AFNetworkActivityIndicatorManager.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFNetworkActivityIndicatorManager.h"
+
+#import "AFHTTPRequestOperation.h"
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+static NSTimeInterval const kAFNetworkActivityIndicatorInvisibilityDelay = 0.17;
+
+@interface AFNetworkActivityIndicatorManager ()
+@property (readwrite, assign) NSInteger activityCount;
+@property (readwrite, nonatomic, strong) NSTimer *activityIndicatorVisibilityTimer;
+@property (readonly, getter = isNetworkActivityIndicatorVisible) BOOL networkActivityIndicatorVisible;
+
+- (void)updateNetworkActivityIndicatorVisibility;
+- (void)updateNetworkActivityIndicatorVisibilityDelayed;
+@end
+
+@implementation AFNetworkActivityIndicatorManager
+@synthesize activityCount = _activityCount;
+@synthesize activityIndicatorVisibilityTimer = _activityIndicatorVisibilityTimer;
+@synthesize enabled = _enabled;
+@dynamic networkActivityIndicatorVisible;
+
++ (instancetype)sharedManager {
+    static AFNetworkActivityIndicatorManager *_sharedManager = nil;
+    static dispatch_once_t oncePredicate;
+    dispatch_once(&oncePredicate, ^{
+        _sharedManager = [[self alloc] init];
+    });
+    
+    return _sharedManager;
+}
+
++ (NSSet *)keyPathsForValuesAffectingIsNetworkActivityIndicatorVisible {
+    return [NSSet setWithObject:@"activityCount"];
+}
+
+- (id)init {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(incrementActivityCount) name:AFNetworkingOperationDidStartNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(decrementActivityCount) name:AFNetworkingOperationDidFinishNotification object:nil];
+        
+    return self;
+}
+
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+    
+    [_activityIndicatorVisibilityTimer invalidate];
+    
+}
+
+- (void)updateNetworkActivityIndicatorVisibilityDelayed {
+    if (self.enabled) {
+        // Delay hiding of activity indicator for a short interval, to avoid flickering
+        if (![self isNetworkActivityIndicatorVisible]) {
+            [self.activityIndicatorVisibilityTimer invalidate];
+            self.activityIndicatorVisibilityTimer = [NSTimer timerWithTimeInterval:kAFNetworkActivityIndicatorInvisibilityDelay target:self selector:@selector(updateNetworkActivityIndicatorVisibility) userInfo:nil repeats:NO];
+            [[NSRunLoop mainRunLoop] addTimer:self.activityIndicatorVisibilityTimer forMode:NSRunLoopCommonModes];
+        } else {
+            [self performSelectorOnMainThread:@selector(updateNetworkActivityIndicatorVisibility) withObject:nil waitUntilDone:NO modes:[NSArray arrayWithObject:NSRunLoopCommonModes]];
+        }
+    }
+}
+
+- (BOOL)isNetworkActivityIndicatorVisible {
+    return _activityCount > 0;
+}
+
+- (void)updateNetworkActivityIndicatorVisibility {
+    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:[self isNetworkActivityIndicatorVisible]];
+}
+
+// Not exposed, but used if activityCount is set via KVC.
+- (NSInteger)activityCount {
+	return _activityCount;
+}
+
+- (void)setActivityCount:(NSInteger)activityCount {
+	@synchronized(self) {
+		_activityCount = activityCount;
+	}
+    [self updateNetworkActivityIndicatorVisibilityDelayed];
+}
+
+- (void)incrementActivityCount {
+    [self willChangeValueForKey:@"activityCount"];
+	@synchronized(self) {
+		_activityCount++;
+	}
+    [self didChangeValueForKey:@"activityCount"];
+    [self updateNetworkActivityIndicatorVisibilityDelayed];
+}
+
+- (void)decrementActivityCount {
+    [self willChangeValueForKey:@"activityCount"];
+	@synchronized(self) {
+		_activityCount = MAX(_activityCount - 1, 0);
+	}
+    [self didChangeValueForKey:@"activityCount"];
+    [self updateNetworkActivityIndicatorVisibilityDelayed];
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworking.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworking.h
new file mode 100644
index 0000000..b8f840b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFNetworking.h
@@ -0,0 +1,43 @@
+// AFNetworking.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import <Availability.h>
+
+#ifndef _AFNETWORKING_
+    #define _AFNETWORKING_
+
+    #import "AFURLConnectionOperation.h"
+
+    #import "AFHTTPRequestOperation.h"
+    #import "AFJSONRequestOperation.h"
+    #import "AFXMLRequestOperation.h"
+    #import "AFPropertyListRequestOperation.h"
+    #import "AFHTTPClient.h"
+
+    #import "AFImageRequestOperation.h"
+
+    #if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+        #import "AFNetworkActivityIndicatorManager.h"
+        #import "UIImageView+AFNetworking.h"
+    #endif
+#endif /* _AFNETWORKING_ */
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.h
new file mode 100644
index 0000000..04fe622
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.h
@@ -0,0 +1,68 @@
+// AFPropertyListRequestOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFHTTPRequestOperation.h"
+
+/**
+ `AFPropertyListRequestOperation` is a subclass of `AFHTTPRequestOperation` for downloading and deserializing objects with property list (plist) response data.
+ 
+ ## Acceptable Content Types
+ 
+ By default, `AFPropertyListRequestOperation` accepts the following MIME types:
+ 
+ - `application/x-plist`
+ */
+@interface AFPropertyListRequestOperation : AFHTTPRequestOperation
+
+///----------------------------
+/// @name Getting Response Data
+///----------------------------
+
+/**
+ An object deserialized from a plist constructed using the response data.
+ */
+@property (readonly, nonatomic) id responsePropertyList;
+
+///--------------------------------------
+/// @name Managing Property List Behavior
+///--------------------------------------
+
+/**
+ One of the `NSPropertyListMutabilityOptions` options, specifying the mutability of objects deserialized from the property list. By default, this is `NSPropertyListImmutable`.
+ */
+@property (nonatomic, assign) NSPropertyListReadOptions propertyListReadOptions;
+
+/**
+ Creates and returns an `AFPropertyListRequestOperation` object and sets the specified success and failure callbacks.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation
+ @param success A block object to be executed when the operation finishes successfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the object deserialized from a plist constructed using the response data.
+ @param failure A block object to be executed when the operation finishes unsuccessfully, or that finishes successfully, but encountered an error while deserializing the object from a property list. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the error describing the network or parsing error that occurred.
+ 
+ @return A new property list request operation
+ */
++ (instancetype)propertyListRequestOperationWithRequest:(NSURLRequest *)urlRequest
+												success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, id propertyList))success
+												failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id propertyList))failure;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.m
new file mode 100644
index 0000000..2eac6b6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFPropertyListRequestOperation.m
@@ -0,0 +1,141 @@
+// AFPropertyListRequestOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFPropertyListRequestOperation.h"
+
+static dispatch_queue_t af_property_list_request_operation_processing_queue;
+static dispatch_queue_t property_list_request_operation_processing_queue() {
+    if (af_property_list_request_operation_processing_queue == NULL) {
+        af_property_list_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.property-list-request.processing", 0);
+    }
+    
+    return af_property_list_request_operation_processing_queue;
+}
+
+@interface AFPropertyListRequestOperation ()
+@property (readwrite, nonatomic) id responsePropertyList;
+@property (readwrite, nonatomic, assign) NSPropertyListFormat propertyListFormat;
+@property (readwrite, nonatomic) NSError *propertyListError;
+@end
+
+@implementation AFPropertyListRequestOperation
+@synthesize responsePropertyList = _responsePropertyList;
+@synthesize propertyListReadOptions = _propertyListReadOptions;
+@synthesize propertyListFormat = _propertyListFormat;
+@synthesize propertyListError = _propertyListError;
+
++ (instancetype)propertyListRequestOperationWithRequest:(NSURLRequest *)request
+												success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, id propertyList))success
+												failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id propertyList))failure
+{
+    AFPropertyListRequestOperation *requestOperation = [(AFPropertyListRequestOperation *)[self alloc] initWithRequest:request];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        if (success) {
+            success(operation.request, operation.response, responseObject);
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            failure(operation.request, operation.response, error, [(AFPropertyListRequestOperation *)operation responsePropertyList]);
+        }
+    }];
+    
+    return requestOperation;
+}
+
+- (id)initWithRequest:(NSURLRequest *)urlRequest {
+    self = [super initWithRequest:urlRequest];
+    if (!self) {
+        return nil;
+    }
+        
+    self.propertyListReadOptions = NSPropertyListImmutable;
+    
+    return self;
+}
+
+
+- (id)responsePropertyList {
+    if (!_responsePropertyList && [self.responseData length] > 0 && [self isFinished]) {
+        NSPropertyListFormat format;
+        NSError *error = nil;
+        self.responsePropertyList = [NSPropertyListSerialization propertyListWithData:self.responseData options:self.propertyListReadOptions format:&format error:&error];
+        self.propertyListFormat = format;
+        self.propertyListError = error;
+    }
+    
+    return _responsePropertyList;
+}
+
+- (NSError *)error {
+    if (_propertyListError) {
+        return _propertyListError;
+    } else {
+        return [super error];
+    }
+}
+
+#pragma mark - AFHTTPRequestOperation
+
++ (NSSet *)acceptableContentTypes {
+    return [NSSet setWithObjects:@"application/x-plist", nil];
+}
+
++ (BOOL)canProcessRequest:(NSURLRequest *)request {
+    return [[[request URL] pathExtension] isEqualToString:@"plist"] || [super canProcessRequest:request];
+}
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+    self.completionBlock = ^ {        
+        if (self.error) {
+            if (failure) {
+                dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                    failure(self, self.error);
+                });
+            }
+        } else {
+            dispatch_async(property_list_request_operation_processing_queue(), ^(void) {
+                id propertyList = self.responsePropertyList;
+                
+                if (self.propertyListError) {
+                    if (failure) {
+                        dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                            failure(self, self.error);
+                        });
+                    }
+                } else {
+                    if (success) {
+                        dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
+                            success(self, propertyList);
+                        });
+                    } 
+                }
+            });
+        }
+    };
+#pragma clang diagnostic pop
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.h
new file mode 100644
index 0000000..94c07e8
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.h
@@ -0,0 +1,309 @@
+// AFURLConnectionOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import <Availability.h>
+
+/**
+ `AFURLConnectionOperation` is a subclass of `NSOperation` that implements `NSURLConnection` delegate methods.
+ 
+ ## Subclassing Notes
+ 
+ This is the base class of all network request operations. You may wish to create your own subclass in order to implement additional `NSURLConnection` delegate methods (see "`NSURLConnection` Delegate Methods" below), or to provide additional properties and/or class constructors.
+ 
+ If you are creating a subclass that communicates over the HTTP or HTTPS protocols, you may want to consider subclassing `AFHTTPRequestOperation` instead, as it supports specifying acceptable content types or status codes.
+ 
+ ## NSURLConnection Delegate Methods
+ 
+ `AFURLConnectionOperation` implements the following `NSURLConnection` delegate methods:
+ 
+ - `connection:didReceiveResponse:`
+ - `connection:didReceiveData:`
+ - `connectionDidFinishLoading:`
+ - `connection:didFailWithError:`
+ - `connection:didSendBodyData:totalBytesWritten:totalBytesExpectedToWrite:`
+ - `connection:willCacheResponse:`
+ - `connection:canAuthenticateAgainstProtectionSpace:`
+ - `connection:didReceiveAuthenticationChallenge:`
+ 
+ If any of these methods are overridden in a subclass, they _must_ call the `super` implementation first.
+  
+ ## Class Constructors
+ 
+ Class constructors, or methods that return an unowned instance, are the preferred way for subclasses to encapsulate any particular logic for handling the setup or parsing of response data. For instance, `AFJSONRequestOperation` provides `JSONRequestOperationWithRequest:success:failure:`, which takes block arguments, whose parameter on for a successful request is the JSON object initialized from the `response data`.
+ 
+ ## Callbacks and Completion Blocks
+ 
+ The built-in `completionBlock` provided by `NSOperation` allows for custom behavior to be executed after the request finishes. It is a common pattern for class constructors in subclasses to take callback block parameters, and execute them conditionally in the body of its `completionBlock`. Make sure to handle cancelled operations appropriately when setting a `completionBlock` (i.e. returning early before parsing response data). See the implementation of any of the `AFHTTPRequestOperation` subclasses for an example of this.
+ 
+ Subclasses are strongly discouraged from overriding `setCompletionBlock:`, as `AFURLConnectionOperation`'s implementation includes a workaround to mitigate retain cycles, and what Apple rather ominously refers to as ["The Deallocation Problem"](http://developer.apple.com/library/ios/#technotes/tn2109/).
+ 
+ ## NSCoding & NSCopying Conformance
+ 
+ `AFURLConnectionOperation` conforms to the `NSCoding` and `NSCopying` protocols, allowing operations to be archived to disk, and copied in memory, respectively. However, because of the intrinsic limitations of capturing the exact state of an operation at a particular moment, there are some important caveats to keep in mind:
+ 
+ ### NSCoding Caveats
+ 
+ - Encoded operations do not include any block or stream properties. Be sure to set `completionBlock`, `outputStream`, and any callback blocks as necessary when using `-initWithCoder:` or `NSKeyedUnarchiver`.
+ - Operations are paused on `encodeWithCoder:`. If the operation was encoded while paused or still executing, its archived state will return `YES` for `isReady`. Otherwise, the state of an operation when encoding will remain unchanged.
+ 
+ ### NSCopying Caveats
+ 
+ - `-copy` and `-copyWithZone:` return a new operation with the `NSURLRequest` of the original. So rather than an exact copy of the operation at that particular instant, the copying mechanism returns a completely new instance, which can be useful for retrying operations.
+ - A copy of an operation will not include the `outputStream` of the original.
+ - Operation copies do not include `completionBlock`. `completionBlock` often strongly captures a reference to `self`, which would otherwise have the unintuitive side-effect of pointing to the _original_ operation when copied.
+ */
+@interface AFURLConnectionOperation : NSOperation <NSURLConnectionDelegate, NSURLConnectionDataDelegate, NSCoding, NSCopying>
+
+///-------------------------------
+/// @name Accessing Run Loop Modes
+///-------------------------------
+
+/**
+ The run loop modes in which the operation will run on the network thread. By default, this is a single-member set containing `NSRunLoopCommonModes`.
+ */
+@property (nonatomic, strong) NSSet *runLoopModes;
+
+///-----------------------------------------
+/// @name Getting URL Connection Information
+///-----------------------------------------
+
+/**
+ The request used by the operation's connection.
+ */
+@property (readonly, nonatomic, strong) NSURLRequest *request;
+
+/**
+ The last response received by the operation's connection.
+ */
+@property (readonly, nonatomic, strong) NSURLResponse *response;
+
+/**
+ The error, if any, that occurred in the lifecycle of the request.
+ */
+@property (readonly, nonatomic, strong) NSError *error;
+
+///----------------------------
+/// @name Getting Response Data
+///----------------------------
+
+/**
+ The data received during the request. 
+ */
+@property (readonly, nonatomic, strong) NSData *responseData;
+
+/**
+ The string representation of the response data.
+ */
+@property (readonly, nonatomic, copy) NSString *responseString;
+
+/**
+ The string encoding of the response.
+ 
+ @discussion If the response does not specify a valid string encoding, `responseStringEncoding` will return `NSUTF8StringEncoding`. 
+ */
+@property (readonly, nonatomic, assign) NSStringEncoding responseStringEncoding;
+
+///------------------------
+/// @name Accessing Streams
+///------------------------
+
+/**
+ The input stream used to read data to be sent during the request. 
+ 
+ @discussion This property acts as a proxy to the `HTTPBodyStream` property of `request`.
+ */
+@property (nonatomic, strong) NSInputStream *inputStream;
+
+/**
+ The output stream that is used to write data received until the request is finished.
+ 
+ @discussion By default, data is accumulated into a buffer that is stored into `responseData` upon completion of the request. When `outputStream` is set, the data will not be accumulated into an internal buffer, and as a result, the `responseData` property of the completed request will be `nil`. The output stream will be scheduled in the network thread runloop upon being set.
+ */
+@property (nonatomic, strong) NSOutputStream *outputStream;
+
+///---------------------------------------------
+/// @name Managing Request Operation Information
+///---------------------------------------------
+
+/**
+ The user info dictionary for the receiver.
+ */
+@property (nonatomic, strong) NSDictionary *userInfo;
+
+///------------------------------------------------------
+/// @name Initializing an AFURLConnectionOperation Object
+///------------------------------------------------------
+
+/**
+ Initializes and returns a newly allocated operation object with a url connection configured with the specified url request.
+ 
+ @param urlRequest The request object to be used by the operation connection.
+ 
+ @discussion This is the designated initializer.
+ */
+- (id)initWithRequest:(NSURLRequest *)urlRequest;
+
+///----------------------------------
+/// @name Pausing / Resuming Requests
+///----------------------------------
+
+/**
+ Pauses the execution of the request operation.
+ 
+ @discussion A paused operation returns `NO` for `-isReady`, `-isExecuting`, and `-isFinished`. As such, it will remain in an `NSOperationQueue` until it is either cancelled or resumed. Pausing a finished, cancelled, or paused operation has no effect.
+ */
+- (void)pause;
+
+/**
+ Whether the request operation is currently paused.
+ 
+ @return `YES` if the operation is currently paused, otherwise `NO`.
+ */
+- (BOOL)isPaused;
+
+/**
+ Resumes the execution of the paused request operation.
+ 
+ @discussion Pause/Resume behavior varies depending on the underlying implementation for the operation class. In its base implementation, resuming a paused requests restarts the original request. However, since HTTP defines a specification for how to request a specific content range, `AFHTTPRequestOperation` will resume downloading the request from where it left off, instead of restarting the original request.
+ */
+- (void)resume;
+
+///----------------------------------------------
+/// @name Configuring Backgrounding Task Behavior
+///----------------------------------------------
+
+/**
+ Specifies that the operation should continue execution after the app has entered the background, and the expiration handler for that background task.
+ 
+ @param handler A handler to be called shortly before the application’s remaining background time reaches 0. The handler is wrapped in a block that cancels the operation, and cleans up and marks the end of execution, unlike the `handler` parameter in `UIApplication -beginBackgroundTaskWithExpirationHandler:`, which expects this to be done in the handler itself. The handler is called synchronously on the main thread, thus blocking the application’s suspension momentarily while the application is notified. 
+ */
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+- (void)setShouldExecuteAsBackgroundTaskWithExpirationHandler:(void (^)(void))handler;
+#endif
+
+///---------------------------------
+/// @name Setting Progress Callbacks
+///---------------------------------
+
+/**
+ Sets a callback to be called when an undetermined number of bytes have been uploaded to the server.
+ 
+ @param block A block object to be called when an undetermined number of bytes have been uploaded to the server. This block has no return value and takes three arguments: the number of bytes written since the last time the upload progress block was called, the total bytes written, and the total bytes expected to be written during the request, as initially determined by the length of the HTTP body. This block may be called multiple times, and will execute on the main thread.
+ */
+- (void)setUploadProgressBlock:(void (^)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite))block;
+
+/**
+ Sets a callback to be called when an undetermined number of bytes have been downloaded from the server.
+ 
+ @param block A block object to be called when an undetermined number of bytes have been downloaded from the server. This block has no return value and takes three arguments: the number of bytes read since the last time the download progress block was called, the total bytes read, and the total bytes expected to be read during the request, as initially determined by the expected content size of the `NSHTTPURLResponse` object. This block may be called multiple times, and will execute on the main thread.
+ */
+- (void)setDownloadProgressBlock:(void (^)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead))block;
+
+///-------------------------------------------------
+/// @name Setting NSURLConnection Delegate Callbacks
+///-------------------------------------------------
+
+/**
+ Sets a block to be executed to determine whether the connection should be able to respond to a protection space's form of authentication, as handled by the `NSURLConnectionDelegate` method `connection:canAuthenticateAgainstProtectionSpace:`.
+ 
+ @param block A block object to be executed to determine whether the connection should be able to respond to a protection space's form of authentication. The block has a `BOOL` return type and takes two arguments: the URL connection object, and the protection space to authenticate against.
+ 
+ @discussion If `_AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_` is defined, `connection:canAuthenticateAgainstProtectionSpace:` will accept invalid SSL certificates, returning `YES` if the protection space authentication method is `NSURLAuthenticationMethodServerTrust`.
+ */
+- (void)setAuthenticationAgainstProtectionSpaceBlock:(BOOL (^)(NSURLConnection *connection, NSURLProtectionSpace *protectionSpace))block;
+
+/**
+ Sets a block to be executed when the connection must authenticate a challenge in order to download its request, as handled by the `NSURLConnectionDelegate` method `connection:didReceiveAuthenticationChallenge:`.
+ 
+ @param block A block object to be executed when the connection must authenticate a challenge in order to download its request. The block has no return type and takes two arguments: the URL connection object, and the challenge that must be authenticated.
+ 
+ @discussion If `_AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_` is defined, `connection:didReceiveAuthenticationChallenge:` will attempt to have the challenge sender use credentials with invalid SSL certificates.
+ */
+- (void)setAuthenticationChallengeBlock:(void (^)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge))block;
+
+/**
+ Sets a block to be executed when the server redirects the request from one URL to another URL, or when the request URL changed by the `NSURLProtocol` subclass handling the request in order to standardize its format, as handled by the `NSURLConnectionDelegate` method `connection:willSendRequest:redirectResponse:`.
+ 
+ @param block A block object to be executed when the request URL was changed. The block returns an `NSURLRequest` object, the URL request to redirect, and takes three arguments: the URL connection object, the the proposed redirected request, and the URL response that caused the redirect.
+ */
+- (void)setRedirectResponseBlock:(NSURLRequest * (^)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse))block;
+
+
+/**
+ Sets a block to be executed to modify the response a connection will cache, if any, as handled by the `NSURLConnectionDelegate` method `connection:willCacheResponse:`.
+ 
+ @param block A block object to be executed to determine what response a connection will cache, if any. The block returns an `NSCachedURLResponse` object, the cached response to store in memory or `nil` to prevent the response from being cached, and takes two arguments: the URL connection object, and the cached response provided for the request.
+ */
+- (void)setCacheResponseBlock:(NSCachedURLResponse * (^)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse))block;
+
+@end
+
+///----------------
+/// @name Constants
+///----------------
+
+/**
+ ## User info dictionary keys
+ 
+ These keys may exist in the user info dictionary, in addition to those defined for NSError.
+ 
+ - `NSString * const AFNetworkingOperationFailingURLRequestErrorKey`
+ - `NSString * const AFNetworkingOperationFailingURLResponseErrorKey`
+ 
+ ### Constants
+ 
+ `AFNetworkingOperationFailingURLRequestErrorKey`
+ The corresponding value is an `NSURLRequest` containing the request of the operation associated with an error. This key is only present in the `AFNetworkingErrorDomain`.
+ 
+ `AFNetworkingOperationFailingURLResponseErrorKey`
+ The corresponding value is an `NSURLResponse` containing the response of the operation associated with an error. This key is only present in the `AFNetworkingErrorDomain`.
+ 
+ ## Error Domains
+ 
+ The following error domain is predefined.
+ 
+ - `NSString * const AFNetworkingErrorDomain`
+ 
+ ### Constants
+ 
+ `AFNetworkingErrorDomain`
+ AFNetworking errors. Error codes for `AFNetworkingErrorDomain` correspond to codes in `NSURLErrorDomain`.
+ */
+extern NSString * const AFNetworkingErrorDomain;
+extern NSString * const AFNetworkingOperationFailingURLRequestErrorKey;
+extern NSString * const AFNetworkingOperationFailingURLResponseErrorKey;
+
+///--------------------
+/// @name Notifications
+///--------------------
+
+/**
+ Posted when an operation begins executing.
+ */
+extern NSString * const AFNetworkingOperationDidStartNotification;
+
+/**
+ Posted when an operation finishes.
+ */
+extern NSString * const AFNetworkingOperationDidFinishNotification;
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.m
new file mode 100644
index 0000000..0d27490
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFURLConnectionOperation.m
@@ -0,0 +1,712 @@
+// AFURLConnectionOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFURLConnectionOperation.h"
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    #import <UIKit/UIKit.h>
+#endif
+
+#if !__has_feature(objc_arc)
+#error AFNetworking must be built with ARC.
+// You can turn on ARC for only AFNetworking files by adding -fobjc-arc to the build phase for each of its files.
+#endif
+
+typedef enum {
+    AFOperationPausedState      = -1,
+    AFOperationReadyState       = 1,
+    AFOperationExecutingState   = 2,
+    AFOperationFinishedState    = 3,
+} _AFOperationState;
+
+typedef signed short AFOperationState;
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+typedef UIBackgroundTaskIdentifier AFBackgroundTaskIdentifier;
+#else
+typedef id AFBackgroundTaskIdentifier;
+#endif
+
+static NSString * const kAFNetworkingLockName = @"com.alamofire.networking.operation.lock";
+
+NSString * const AFNetworkingErrorDomain = @"AFNetworkingErrorDomain";
+NSString * const AFNetworkingOperationFailingURLRequestErrorKey = @"AFNetworkingOperationFailingURLRequestErrorKey";
+NSString * const AFNetworkingOperationFailingURLResponseErrorKey = @"AFNetworkingOperationFailingURLResponseErrorKey";
+
+NSString * const AFNetworkingOperationDidStartNotification = @"com.alamofire.networking.operation.start";
+NSString * const AFNetworkingOperationDidFinishNotification = @"com.alamofire.networking.operation.finish";
+
+typedef void (^AFURLConnectionOperationProgressBlock)(NSUInteger bytes, long long totalBytes, long long totalBytesExpected);
+typedef BOOL (^AFURLConnectionOperationAuthenticationAgainstProtectionSpaceBlock)(NSURLConnection *connection, NSURLProtectionSpace *protectionSpace);
+typedef void (^AFURLConnectionOperationAuthenticationChallengeBlock)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge);
+typedef NSCachedURLResponse * (^AFURLConnectionOperationCacheResponseBlock)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse);
+typedef NSURLRequest * (^AFURLConnectionOperationRedirectResponseBlock)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse);
+
+static inline NSString * AFKeyPathFromOperationState(AFOperationState state) {
+    switch (state) {
+        case AFOperationReadyState:
+            return @"isReady";
+        case AFOperationExecutingState:
+            return @"isExecuting";
+        case AFOperationFinishedState:
+            return @"isFinished";
+        case AFOperationPausedState:
+            return @"isPaused";
+        default:
+            return @"state";
+    }
+}
+
+static inline BOOL AFStateTransitionIsValid(AFOperationState fromState, AFOperationState toState, BOOL isCancelled) {
+    switch (fromState) {
+        case AFOperationReadyState:
+            switch (toState) {
+                case AFOperationPausedState:
+                case AFOperationExecutingState:
+                    return YES;
+                case AFOperationFinishedState:
+                    return isCancelled;
+                default:
+                    return NO;
+            }
+        case AFOperationExecutingState:
+            switch (toState) {
+                case AFOperationPausedState:
+                case AFOperationFinishedState:
+                    return YES;
+                default:
+                    return NO;
+            }
+        case AFOperationFinishedState:
+            return NO;
+        case AFOperationPausedState:
+            return toState == AFOperationReadyState;
+        default:
+            return YES;
+    }
+}
+
+@interface AFURLConnectionOperation ()
+@property (readwrite, nonatomic, assign) AFOperationState state;
+@property (readwrite, nonatomic, assign, getter = isCancelled) BOOL cancelled;
+@property (readwrite, nonatomic, strong) NSRecursiveLock *lock;
+@property (readwrite, nonatomic, strong) NSURLConnection *connection;
+@property (readwrite, nonatomic, strong) NSURLRequest *request;
+@property (readwrite, nonatomic, strong) NSURLResponse *response;
+@property (readwrite, nonatomic, strong) NSError *error;
+@property (readwrite, nonatomic, strong) NSData *responseData;
+@property (readwrite, nonatomic, copy) NSString *responseString;
+@property (readwrite, nonatomic, assign) NSStringEncoding responseStringEncoding;
+@property (readwrite, nonatomic, assign) long long totalBytesRead;
+@property (readwrite, nonatomic, assign) AFBackgroundTaskIdentifier backgroundTaskIdentifier;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock uploadProgress;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock downloadProgress;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationAuthenticationAgainstProtectionSpaceBlock authenticationAgainstProtectionSpace;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationAuthenticationChallengeBlock authenticationChallenge;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationCacheResponseBlock cacheResponse;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationRedirectResponseBlock redirectResponse;
+
+- (void)operationDidStart;
+- (void)finish;
+- (void)cancelConnection;
+@end
+
+@implementation AFURLConnectionOperation
+@synthesize state = _state;
+@synthesize cancelled = _cancelled;
+@synthesize connection = _connection;
+@synthesize runLoopModes = _runLoopModes;
+@synthesize request = _request;
+@synthesize response = _response;
+@synthesize error = _error;
+@synthesize responseData = _responseData;
+@synthesize responseString = _responseString;
+@synthesize responseStringEncoding = _responseStringEncoding;
+@synthesize totalBytesRead = _totalBytesRead;
+@dynamic inputStream;
+@synthesize outputStream = _outputStream;
+@synthesize userInfo = _userInfo;
+@synthesize backgroundTaskIdentifier = _backgroundTaskIdentifier;
+@synthesize uploadProgress = _uploadProgress;
+@synthesize downloadProgress = _downloadProgress;
+@synthesize authenticationAgainstProtectionSpace = _authenticationAgainstProtectionSpace;
+@synthesize authenticationChallenge = _authenticationChallenge;
+@synthesize cacheResponse = _cacheResponse;
+@synthesize redirectResponse = _redirectResponse;
+@synthesize lock = _lock;
+
++ (void) __attribute__((noreturn)) networkRequestThreadEntryPoint:(id)__unused object {
+    do {
+        @autoreleasepool {
+            [[NSRunLoop currentRunLoop] run];
+        }
+    } while (YES);
+}
+
++ (NSThread *)networkRequestThread {
+    static NSThread *_networkRequestThread = nil;
+    static dispatch_once_t oncePredicate;
+    
+    dispatch_once(&oncePredicate, ^{
+        _networkRequestThread = [[NSThread alloc] initWithTarget:self selector:@selector(networkRequestThreadEntryPoint:) object:nil];
+        [_networkRequestThread start];
+    });
+    
+    return _networkRequestThread;
+}
+
++ (NSArray *)pinnedCertificates {
+    static NSArray *_pinnedCertificates = nil;
+    static dispatch_once_t onceToken;
+    
+    dispatch_once(&onceToken, ^{
+        NSBundle *bundle = [NSBundle bundleForClass:[self class]];
+        NSArray *paths = [bundle pathsForResourcesOfType:@"cer" inDirectory:@"."];
+        NSMutableArray *certificates = [NSMutableArray array];
+        for (NSString *path in paths) {
+            NSData *certificateData = [NSData dataWithContentsOfFile:path];
+            [certificates addObject:certificateData];
+        }
+        _pinnedCertificates = [[NSArray alloc] initWithArray:certificates];
+    });
+    
+    return _pinnedCertificates;
+}
+
+- (id)initWithRequest:(NSURLRequest *)urlRequest {
+    self = [super init];
+    if (!self) {
+		return nil;
+    }
+    
+    self.lock = [[NSRecursiveLock alloc] init];
+    self.lock.name = kAFNetworkingLockName;
+    
+    self.runLoopModes = [NSSet setWithObject:NSRunLoopCommonModes];
+    
+    self.request = urlRequest;
+    
+    self.outputStream = [NSOutputStream outputStreamToMemory];
+
+    self.state = AFOperationReadyState;
+	
+    return self;
+}
+
+- (void)dealloc {
+    if (_outputStream) {
+        [_outputStream close];
+        _outputStream = nil;
+    }
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+    if (_backgroundTaskIdentifier) {
+        [[UIApplication sharedApplication] endBackgroundTask:_backgroundTaskIdentifier];
+        _backgroundTaskIdentifier = UIBackgroundTaskInvalid;
+    }
+#endif
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"<%@: %p, state: %@, cancelled: %@ request: %@, response: %@>", NSStringFromClass([self class]), self, AFKeyPathFromOperationState(self.state), ([self isCancelled] ? @"YES" : @"NO"), self.request, self.response];
+}
+
+- (void)setCompletionBlock:(void (^)(void))block {
+    [self.lock lock];
+    if (!block) {
+        [super setCompletionBlock:nil];
+    } else {
+        __weak __typeof(&*self)weakSelf = self;
+        [super setCompletionBlock:^ {
+            __strong __typeof(&*weakSelf)strongSelf = weakSelf;
+			
+            block();
+            [strongSelf setCompletionBlock:nil];
+        }];
+    }
+    [self.lock unlock];
+}
+
+- (NSInputStream *)inputStream {
+    return self.request.HTTPBodyStream;
+}
+
+- (void)setInputStream:(NSInputStream *)inputStream {
+    [self willChangeValueForKey:@"inputStream"];
+    NSMutableURLRequest *mutableRequest = [self.request mutableCopy];
+    mutableRequest.HTTPBodyStream = inputStream;
+    self.request = mutableRequest;
+    [self didChangeValueForKey:@"inputStream"];
+}
+
+- (void)setOutputStream:(NSOutputStream *)outputStream {
+    if (outputStream == _outputStream) {
+        return;
+    }
+    
+    [self willChangeValueForKey:@"outputStream"];
+    if (_outputStream) {
+        [_outputStream close];
+    }
+    _outputStream = outputStream;
+    [self didChangeValueForKey:@"outputStream"];
+}
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+- (void)setShouldExecuteAsBackgroundTaskWithExpirationHandler:(void (^)(void))handler {
+    [self.lock lock];
+    if (!self.backgroundTaskIdentifier) {    
+        UIApplication *application = [UIApplication sharedApplication];
+        __weak __typeof(&*self)weakSelf = self;
+        self.backgroundTaskIdentifier = [application beginBackgroundTaskWithExpirationHandler:^{
+            __strong __typeof(&*weakSelf)strongSelf = weakSelf;
+            
+            if (handler) {
+                handler();
+            }
+            
+            if (strongSelf) {
+                [strongSelf cancel];
+                
+                [application endBackgroundTask:strongSelf.backgroundTaskIdentifier];
+                strongSelf.backgroundTaskIdentifier = UIBackgroundTaskInvalid;
+            }
+        }];
+    }
+    [self.lock unlock];
+}
+#endif
+
+- (void)setUploadProgressBlock:(void (^)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite))block {
+    self.uploadProgress = block;
+}
+
+- (void)setDownloadProgressBlock:(void (^)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead))block {
+    self.downloadProgress = block;
+}
+
+- (void)setAuthenticationAgainstProtectionSpaceBlock:(BOOL (^)(NSURLConnection *, NSURLProtectionSpace *))block {
+    self.authenticationAgainstProtectionSpace = block;
+}
+
+- (void)setAuthenticationChallengeBlock:(void (^)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge))block {
+    self.authenticationChallenge = block;
+}
+
+- (void)setCacheResponseBlock:(NSCachedURLResponse * (^)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse))block {
+    self.cacheResponse = block;
+}
+
+- (void)setRedirectResponseBlock:(NSURLRequest * (^)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse))block {
+    self.redirectResponse = block;
+}
+
+- (void)setState:(AFOperationState)state {
+    [self.lock lock];
+    if (AFStateTransitionIsValid(self.state, state, [self isCancelled])) {
+        NSString *oldStateKey = AFKeyPathFromOperationState(self.state);
+        NSString *newStateKey = AFKeyPathFromOperationState(state);
+        
+        [self willChangeValueForKey:newStateKey];
+        [self willChangeValueForKey:oldStateKey];
+        _state = state;
+        [self didChangeValueForKey:oldStateKey];
+        [self didChangeValueForKey:newStateKey];
+        
+        dispatch_async(dispatch_get_main_queue(), ^{
+            switch (state) {
+                case AFOperationExecutingState:
+                    [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidStartNotification object:self];
+                    break;
+                case AFOperationFinishedState:
+                    [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
+                    break;
+                default:
+                    break;
+            }
+        });
+    }
+    [self.lock unlock];
+}
+
+- (NSString *)responseString {
+    [self.lock lock];
+    if (!_responseString && self.response && self.responseData) {
+        self.responseString = [[NSString alloc] initWithData:self.responseData encoding:self.responseStringEncoding];
+    }
+    [self.lock unlock];
+    
+    return _responseString;
+}
+
+- (NSStringEncoding)responseStringEncoding {
+    [self.lock lock];
+    if (!_responseStringEncoding) {
+        NSStringEncoding stringEncoding = NSUTF8StringEncoding;
+        if (self.response.textEncodingName) {
+            CFStringEncoding IANAEncoding = CFStringConvertIANACharSetNameToEncoding((__bridge CFStringRef)self.response.textEncodingName);
+            if (IANAEncoding != kCFStringEncodingInvalidId) {
+                stringEncoding = CFStringConvertEncodingToNSStringEncoding(IANAEncoding);
+            }
+        }
+        
+        self.responseStringEncoding = stringEncoding;
+    }
+    [self.lock unlock];
+    
+    return _responseStringEncoding;
+}
+
+- (void)pause {
+    if ([self isPaused] || [self isFinished] || [self isCancelled]) {
+        return;
+    }
+    
+    [self.lock lock];
+    
+    if ([self isExecuting]) {
+        [self.connection performSelector:@selector(cancel) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+        
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
+        });
+    }
+    
+    self.state = AFOperationPausedState;
+
+    [self.lock unlock];
+}
+
+- (BOOL)isPaused {
+    return self.state == AFOperationPausedState;
+}
+
+- (void)resume {
+    if (![self isPaused]) {
+        return;
+    }
+    
+    [self.lock lock];
+    self.state = AFOperationReadyState;
+    
+    [self start];
+    [self.lock unlock];
+}
+
+#pragma mark - NSOperation
+
+- (BOOL)isReady {
+    return self.state == AFOperationReadyState && [super isReady];
+}
+
+- (BOOL)isExecuting {
+    return self.state == AFOperationExecutingState;
+}
+
+- (BOOL)isFinished {
+    return self.state == AFOperationFinishedState;
+}
+
+- (BOOL)isConcurrent {
+    return YES;
+}
+
+- (void)start {
+    [self.lock lock];
+    if ([self isReady]) {
+        self.state = AFOperationExecutingState;
+        
+        [self performSelector:@selector(operationDidStart) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+    }
+    [self.lock unlock];
+}
+
+- (void)operationDidStart {
+    [self.lock lock];
+    if ([self isCancelled]) {
+        [self finish];
+    } else {
+        self.connection = [[NSURLConnection alloc] initWithRequest:self.request delegate:self startImmediately:NO];
+        
+        NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
+        for (NSString *runLoopMode in self.runLoopModes) {
+            [self.connection scheduleInRunLoop:runLoop forMode:runLoopMode];
+            [self.outputStream scheduleInRunLoop:runLoop forMode:runLoopMode];
+        }
+        
+        [self.connection start];  
+    }
+    [self.lock unlock];
+}
+
+- (void)finish {
+    self.state = AFOperationFinishedState;
+}
+
+- (void)cancel {
+    [self.lock lock];
+    if (![self isFinished] && ![self isCancelled]) {
+        [self willChangeValueForKey:@"isCancelled"];
+        _cancelled = YES;
+        [super cancel];
+        [self didChangeValueForKey:@"isCancelled"];
+
+        // Cancel the connection on the thread it runs on to prevent race conditions 
+        [self performSelector:@selector(cancelConnection) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+    }
+    [self.lock unlock];
+}
+
+- (void)cancelConnection {
+    NSDictionary *userInfo = nil;
+    if ([self.request URL]) {
+        userInfo = [NSDictionary dictionaryWithObject:[self.request URL] forKey:NSURLErrorFailingURLErrorKey];
+    }
+    self.error = [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorCancelled userInfo:userInfo];
+
+    if (self.connection) {
+        [self.connection cancel];
+        
+        // Manually send this delegate message since `[self.connection cancel]` causes the connection to never send another message to its delegate
+        [self performSelector:@selector(connection:didFailWithError:) withObject:self.connection withObject:self.error];
+    }
+}
+
+#pragma mark - NSURLConnectionDelegate
+
+#ifdef _AFNETWORKING_PIN_SSL_CERTIFICATES_
+- (void)connection:(NSURLConnection *)connection
+willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
+{
+    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
+        SecTrustRef serverTrust = challenge.protectionSpace.serverTrust;
+        SecCertificateRef certificate = SecTrustGetCertificateAtIndex(serverTrust, 0);
+        NSData *certificateData = (__bridge_transfer NSData *)SecCertificateCopyData(certificate);
+        
+        if ([[[self class] pinnedCertificates] containsObject:certificateData]) {
+            NSURLCredential *credential = [NSURLCredential credentialForTrust:serverTrust];
+            [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
+        } else {
+            [[challenge sender] cancelAuthenticationChallenge:challenge];
+        }
+    }
+}
+#endif
+
+- (BOOL)connection:(NSURLConnection *)connection 
+canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace
+{
+#ifdef _AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_
+    if ([protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
+        return YES;
+    }
+#endif
+    
+    if (self.authenticationAgainstProtectionSpace) {
+        return self.authenticationAgainstProtectionSpace(connection, protectionSpace);
+    } else if ([protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust] || [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodClientCertificate]) {
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+- (void)connection:(NSURLConnection *)connection 
+didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge 
+{
+#ifdef _AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_
+    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
+        [challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];
+        return;
+    }
+#endif
+    
+    if (self.authenticationChallenge) {
+        self.authenticationChallenge(connection, challenge);
+    } else {
+        if ([challenge previousFailureCount] == 0) {
+            NSURLCredential *credential = nil;
+            
+            NSString *username = (__bridge_transfer NSString *)CFURLCopyUserName((__bridge CFURLRef)[self.request URL]);
+            NSString *password = (__bridge_transfer NSString *)CFURLCopyPassword((__bridge CFURLRef)[self.request URL]);
+            
+            if (username && password) {
+                credential = [NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceNone];
+            } else if (username) {
+                credential = [[[NSURLCredentialStorage sharedCredentialStorage] credentialsForProtectionSpace:[challenge protectionSpace]] objectForKey:username];
+            } else {
+                credential = [[NSURLCredentialStorage sharedCredentialStorage] defaultCredentialForProtectionSpace:[challenge protectionSpace]];
+            }
+            
+            if (credential) {
+                [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
+            } else {
+                [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
+            }
+        } else {
+            [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
+        }
+    }
+}
+
+- (NSURLRequest *)connection:(NSURLConnection *)connection
+             willSendRequest:(NSURLRequest *)request
+            redirectResponse:(NSURLResponse *)redirectResponse
+{
+    if (self.redirectResponse) {
+        return self.redirectResponse(connection, request, redirectResponse);
+    } else {
+        return request;
+    }
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+   didSendBodyData:(NSInteger)bytesWritten
+ totalBytesWritten:(NSInteger)totalBytesWritten 
+totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
+{
+    if (self.uploadProgress) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            self.uploadProgress((NSUInteger)bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
+        });
+    }
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+didReceiveResponse:(NSURLResponse *)response 
+{
+    self.response = response;
+    
+    [self.outputStream open];
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+    didReceiveData:(NSData *)data
+{
+    self.totalBytesRead += [data length];
+    
+    if ([self.outputStream hasSpaceAvailable]) {
+        const uint8_t *dataBuffer = (uint8_t *) [data bytes];
+        [self.outputStream write:&dataBuffer[0] maxLength:[data length]];
+    }
+    
+    if (self.downloadProgress) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            self.downloadProgress([data length], self.totalBytesRead, self.response.expectedContentLength);
+        });
+    }
+}
+
+- (void)connectionDidFinishLoading:(NSURLConnection __unused *)connection {
+    self.responseData = [self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
+    
+    [self.outputStream close];
+    
+    [self finish];
+
+    self.connection = nil;
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+  didFailWithError:(NSError *)error 
+{    
+    self.error = error;
+    
+    [self.outputStream close];
+    
+    [self finish];
+
+    self.connection = nil;
+}
+
+- (NSCachedURLResponse *)connection:(NSURLConnection *)connection 
+                  willCacheResponse:(NSCachedURLResponse *)cachedResponse 
+{
+    if (self.cacheResponse) {
+        return self.cacheResponse(connection, cachedResponse);
+    } else {
+        if ([self isCancelled]) {
+            return nil;
+        }
+        
+        return cachedResponse; 
+    }
+}
+
+#pragma mark - NSCoding
+
+- (id)initWithCoder:(NSCoder *)aDecoder {
+    NSURLRequest *request = [aDecoder decodeObjectForKey:@"request"];
+    
+    self = [self initWithRequest:request];
+    if (!self) {
+        return nil;
+    }
+
+    self.state = (AFOperationState)[aDecoder decodeIntegerForKey:@"state"];
+    self.cancelled = [aDecoder decodeBoolForKey:@"isCancelled"];
+    self.response = [aDecoder decodeObjectForKey:@"response"];
+    self.error = [aDecoder decodeObjectForKey:@"error"];
+    self.responseData = [aDecoder decodeObjectForKey:@"responseData"];
+    self.totalBytesRead = [[aDecoder decodeObjectForKey:@"totalBytesRead"] longLongValue];
+    
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)aCoder {
+    [self pause];
+    
+    [aCoder encodeObject:self.request forKey:@"request"];
+
+    switch (self.state) {
+        case AFOperationExecutingState:
+        case AFOperationPausedState:
+            [aCoder encodeInteger:AFOperationReadyState forKey:@"state"];
+            break;
+        default:
+            [aCoder encodeInteger:self.state forKey:@"state"];
+            break;
+    }
+    
+    [aCoder encodeBool:[self isCancelled] forKey:@"isCancelled"];
+    [aCoder encodeObject:self.response forKey:@"response"];
+    [aCoder encodeObject:self.error forKey:@"error"];
+    [aCoder encodeObject:self.responseData forKey:@"responseData"];
+    [aCoder encodeObject:[NSNumber numberWithLongLong:self.totalBytesRead] forKey:@"totalBytesRead"];
+}
+
+#pragma mark - NSCopying
+
+- (id)copyWithZone:(NSZone *)zone {
+    AFURLConnectionOperation *operation = [(AFURLConnectionOperation *)[[self class] allocWithZone:zone] initWithRequest:self.request];
+            
+    operation.uploadProgress = self.uploadProgress;
+    operation.downloadProgress = self.downloadProgress;
+    operation.authenticationAgainstProtectionSpace = self.authenticationAgainstProtectionSpace;
+    operation.authenticationChallenge = self.authenticationChallenge;
+    operation.cacheResponse = self.cacheResponse;
+    operation.redirectResponse = self.redirectResponse;
+
+    return operation;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.h
new file mode 100644
index 0000000..6a327f4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.h
@@ -0,0 +1,89 @@
+// AFXMLRequestOperation.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFHTTPRequestOperation.h"
+
+#import <Availability.h>
+
+/**
+ `AFXMLRequestOperation` is a subclass of `AFHTTPRequestOperation` for downloading and working with XML response data.
+ 
+ ## Acceptable Content Types
+ 
+ By default, `AFXMLRequestOperation` accepts the following MIME types, which includes the official standard, `application/xml`, as well as other commonly-used types:
+ 
+ - `application/xml`
+ - `text/xml`
+ 
+ ## Use With AFHTTPClient
+ 
+ When `AFXMLRequestOperation` is registered with `AFHTTPClient`, the response object in the success callback of `HTTPRequestOperationWithRequest:success:failure:` will be an instance of `NSXMLParser`. On platforms that support `NSXMLDocument`, you have the option to ignore the response object, and simply use the `responseXMLDocument` property of the operation argument of the callback.
+ */
+@interface AFXMLRequestOperation : AFHTTPRequestOperation
+
+///----------------------------
+/// @name Getting Response Data
+///----------------------------
+
+/**
+ An `NSXMLParser` object constructed from the response data.
+ */
+@property (readonly, nonatomic, strong) NSXMLParser *responseXMLParser;
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+/**
+ An `NSXMLDocument` object constructed from the response data. If an error occurs while parsing, `nil` will be returned, and the `error` property will be set to the error.
+ */
+@property (readonly, nonatomic, strong) NSXMLDocument *responseXMLDocument;
+#endif
+
+/**
+ Creates and returns an `AFXMLRequestOperation` object and sets the specified success and failure callbacks.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation
+ @param success A block object to be executed when the operation finishes successfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the XML parser constructed with the response data of request.
+ @param failure A block object to be executed when the operation finishes unsuccessfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the error describing the network error that occurred.
+ 
+ @return A new XML request operation
+ */
++ (instancetype)XMLParserRequestOperationWithRequest:(NSURLRequest *)urlRequest
+											 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSXMLParser *XMLParser))success
+											 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, NSXMLParser *XMLParser))failure;
+
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+/**
+ Creates and returns an `AFXMLRequestOperation` object and sets the specified success and failure callbacks.
+ 
+ @param urlRequest The request object to be loaded asynchronously during execution of the operation
+ @param success A block object to be executed when the operation finishes successfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the XML document created from the response data of request.
+ @param failure A block object to be executed when the operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data as XML. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the error describing the network or parsing error that occurred.
+ 
+ @return A new XML request operation
+ */
++ (instancetype)XMLDocumentRequestOperationWithRequest:(NSURLRequest *)urlRequest
+											   success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSXMLDocument *document))success
+											   failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, NSXMLDocument *document))failure;
+#endif
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.m
new file mode 100644
index 0000000..a95ad82
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/AFXMLRequestOperation.m
@@ -0,0 +1,165 @@
+// AFXMLRequestOperation.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFXMLRequestOperation.h"
+
+#include <Availability.h>
+
+static dispatch_queue_t af_xml_request_operation_processing_queue;
+static dispatch_queue_t xml_request_operation_processing_queue() {
+    if (af_xml_request_operation_processing_queue == NULL) {
+        af_xml_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.xml-request.processing", 0);
+    }
+    
+    return af_xml_request_operation_processing_queue;
+}
+
+@interface AFXMLRequestOperation ()
+@property (readwrite, nonatomic, strong) NSXMLParser *responseXMLParser;
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+@property (readwrite, nonatomic, strong) NSXMLDocument *responseXMLDocument;
+#endif
+@property (readwrite, nonatomic, strong) NSError *XMLError;
+@end
+
+@implementation AFXMLRequestOperation
+@synthesize responseXMLParser = _responseXMLParser;
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+@synthesize responseXMLDocument = _responseXMLDocument;
+#endif
+@synthesize XMLError = _XMLError;
+
++ (instancetype)XMLParserRequestOperationWithRequest:(NSURLRequest *)urlRequest
+											 success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSXMLParser *XMLParser))success
+											 failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, NSXMLParser *XMLParser))failure
+{
+    AFXMLRequestOperation *requestOperation = [(AFXMLRequestOperation *)[self alloc] initWithRequest:urlRequest];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        if (success) {
+            success(operation.request, operation.response, responseObject);
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            failure(operation.request, operation.response, error, [(AFXMLRequestOperation *)operation responseXMLParser]);
+        }
+    }];
+    
+    return requestOperation;
+}
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
++ (instancetype)XMLDocumentRequestOperationWithRequest:(NSURLRequest *)urlRequest
+											   success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSXMLDocument *document))success
+											   failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, NSXMLDocument *document))failure
+{
+    AFXMLRequestOperation *requestOperation = [[self alloc] initWithRequest:urlRequest];
+    [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, __unused id responseObject) {
+        if (success) {
+            NSXMLDocument *XMLDocument = [(AFXMLRequestOperation *)operation responseXMLDocument];            
+            success(operation.request, operation.response, XMLDocument);
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (failure) {
+            NSXMLDocument *XMLDocument = [(AFXMLRequestOperation *)operation responseXMLDocument];
+            failure(operation.request, operation.response, error, XMLDocument);
+        }
+    }];
+    
+    return requestOperation;
+}
+#endif
+
+
+- (NSXMLParser *)responseXMLParser {
+    if (!_responseXMLParser && [self.responseData length] > 0 && [self isFinished]) {
+        self.responseXMLParser = [[NSXMLParser alloc] initWithData:self.responseData];
+    }
+    
+    return _responseXMLParser;
+}
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+- (NSXMLDocument *)responseXMLDocument {
+    if (!_responseXMLDocument && [self.responseData length] > 0 && [self isFinished]) {
+        NSError *error = nil;
+        self.responseXMLDocument = [[NSXMLDocument alloc] initWithData:self.responseData options:0 error:&error];
+        self.XMLError = error;
+    }
+    
+    return _responseXMLDocument;
+}
+#endif
+
+- (NSError *)error {
+    if (_XMLError) {
+        return _XMLError;
+    } else {
+        return [super error];
+    }
+}
+
+#pragma mark - NSOperation
+
+- (void)cancel {
+    [super cancel];
+    
+    self.responseXMLParser.delegate = nil;
+}
+
+#pragma mark - AFHTTPRequestOperation
+
++ (NSSet *)acceptableContentTypes {
+    return [NSSet setWithObjects:@"application/xml", @"text/xml", nil];
+}
+
++ (BOOL)canProcessRequest:(NSURLRequest *)request {
+    return [[[request URL] pathExtension] isEqualToString:@"xml"] || [super canProcessRequest:request];
+}
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+    self.completionBlock = ^ {        
+        dispatch_async(xml_request_operation_processing_queue(), ^(void) {
+            NSXMLParser *XMLParser = self.responseXMLParser;
+            
+            if (self.error) {
+                if (failure) {
+                    dispatch_async(self.failureCallbackQueue ?: dispatch_get_main_queue(), ^{
+                        failure(self, self.error);
+                    });
+                }
+            } else {
+                if (success) {
+                    dispatch_async(self.successCallbackQueue ?: dispatch_get_main_queue(), ^{
+                        success(self, XMLParser);
+                    });
+                } 
+            }
+        });
+    };
+#pragma clang diagnostic pop
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.h
new file mode 100644
index 0000000..6483b61
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.h
@@ -0,0 +1,78 @@
+// UIImageView+AFNetworking.h
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFImageRequestOperation.h"
+
+#import <Availability.h>
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+#import <UIKit/UIKit.h>
+
+/**
+ This category adds methods to the UIKit framework's `UIImageView` class. The methods in this category provide support for loading remote images asynchronously from a URL.
+ */
+@interface UIImageView (AFNetworking)
+
+/**
+ Creates and enqueues an image request operation, which asynchronously downloads the image from the specified URL, and sets it the request is finished. Any previous image request for the receiver will be cancelled. If the image is cached locally, the image is set immediately, otherwise the specified placeholder image will be set immediately, and then the remote image will be set once the request is finished.
+ 
+ @discussion By default, URL requests have a cache policy of `NSURLCacheStorageAllowed` and a timeout interval of 30 seconds, and are set not handle cookies. To configure URL requests differently, use `setImageWithURLRequest:placeholderImage:success:failure:`
+ 
+ @param url The URL used for the image request.
+ */
+- (void)setImageWithURL:(NSURL *)url;
+
+/**
+ Creates and enqueues an image request operation, which asynchronously downloads the image from the specified URL. Any previous image request for the receiver will be cancelled. If the image is cached locally, the image is set immediately, otherwise the specified placeholder image will be set immediately, and then the remote image will be set once the request is finished.
+ 
+ @param url The URL used for the image request.
+ @param placeholderImage The image to be set initially, until the image request finishes. If `nil`, the image view will not change its image until the image request finishes.
+ 
+ @discussion By default, URL requests have a cache policy of `NSURLCacheStorageAllowed` and a timeout interval of 30 seconds, and are set not handle cookies. To configure URL requests differently, use `setImageWithURLRequest:placeholderImage:success:failure:`
+*/
+- (void)setImageWithURL:(NSURL *)url 
+       placeholderImage:(UIImage *)placeholderImage;
+
+/**
+ Creates and enqueues an image request operation, which asynchronously downloads the image with the specified URL request object. Any previous image request for the receiver will be cancelled. If the image is cached locally, the image is set immediately, otherwise the specified placeholder image will be set immediately, and then the remote image will be set once the request is finished.
+ 
+ @param urlRequest The URL request used for the image request.
+ @param placeholderImage The image to be set initially, until the image request finishes. If `nil`, the image view will not change its image until the image request finishes.
+ @param success A block to be executed when the image request operation finishes successfully, with a status code in the 2xx range, and with an acceptable content type (e.g. `image/png`). This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the image created from the response data of request. If the image was returned from cache, the request and response parameters will be `nil`.
+ @param failure A block object to be executed when the image request operation finishes unsuccessfully, or that finishes successfully. This block has no return value and takes three arguments: the request sent from the client, the response received from the server, and the error object describing the network or parsing error that occurred.
+ 
+ @discussion If a success block is specified, it is the responsibility of the block to set the image of the image view before returning. If no success block is specified, the default behavior of setting the image with `self.image = image` is executed.
+*/
+- (void)setImageWithURLRequest:(NSURLRequest *)urlRequest 
+              placeholderImage:(UIImage *)placeholderImage 
+                       success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image))success
+                       failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure;
+
+/**
+ Cancels any executing image request operation for the receiver, if one exists.
+ */
+- (void)cancelImageRequestOperation;
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.m
new file mode 100644
index 0000000..f399c0e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/AFNetworking/UIImageView+AFNetworking.m
@@ -0,0 +1,180 @@
+// UIImageView+AFNetworking.m
+//
+// Copyright (c) 2011 Gowalla (http://gowalla.com/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import <objc/runtime.h>
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+#import "UIImageView+AFNetworking.h"
+
+@interface AFImageCache : NSCache
+- (UIImage *)cachedImageForRequest:(NSURLRequest *)request;
+- (void)cacheImage:(UIImage *)image
+        forRequest:(NSURLRequest *)request;
+@end
+
+#pragma mark -
+
+static char kAFImageRequestOperationObjectKey;
+
+@interface UIImageView (_AFNetworking)
+@property (readwrite, nonatomic, strong, setter = af_setImageRequestOperation:) AFImageRequestOperation *af_imageRequestOperation;
+@end
+
+@implementation UIImageView (_AFNetworking)
+@dynamic af_imageRequestOperation;
+@end
+
+#pragma mark -
+
+@implementation UIImageView (AFNetworking)
+
+- (AFHTTPRequestOperation *)af_imageRequestOperation {
+    return (AFHTTPRequestOperation *)objc_getAssociatedObject(self, &kAFImageRequestOperationObjectKey);
+}
+
+- (void)af_setImageRequestOperation:(AFImageRequestOperation *)imageRequestOperation {
+    objc_setAssociatedObject(self, &kAFImageRequestOperationObjectKey, imageRequestOperation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
++ (NSOperationQueue *)af_sharedImageRequestOperationQueue {
+    static NSOperationQueue *_af_imageRequestOperationQueue = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _af_imageRequestOperationQueue = [[NSOperationQueue alloc] init];
+        [_af_imageRequestOperationQueue setMaxConcurrentOperationCount:NSOperationQueueDefaultMaxConcurrentOperationCount];
+    });
+    
+    return _af_imageRequestOperationQueue;
+}
+
++ (AFImageCache *)af_sharedImageCache {
+    static AFImageCache *_af_imageCache = nil;
+    static dispatch_once_t oncePredicate;
+    dispatch_once(&oncePredicate, ^{
+        _af_imageCache = [[AFImageCache alloc] init];
+    });
+    
+    return _af_imageCache;
+}
+
+#pragma mark -
+
+- (void)setImageWithURL:(NSURL *)url {
+    [self setImageWithURL:url placeholderImage:nil];
+}
+
+- (void)setImageWithURL:(NSURL *)url 
+       placeholderImage:(UIImage *)placeholderImage
+{
+    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
+    [request setHTTPShouldHandleCookies:NO];
+    [request addValue:@"image/*" forHTTPHeaderField:@"Accept"];
+    
+    [self setImageWithURLRequest:request placeholderImage:placeholderImage success:nil failure:nil];
+}
+
+- (void)setImageWithURLRequest:(NSURLRequest *)urlRequest 
+              placeholderImage:(UIImage *)placeholderImage 
+                       success:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, UIImage *image))success
+                       failure:(void (^)(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error))failure
+{
+    [self cancelImageRequestOperation];
+    
+    UIImage *cachedImage = [[[self class] af_sharedImageCache] cachedImageForRequest:urlRequest];
+    if (cachedImage) {
+        self.image = cachedImage;
+        self.af_imageRequestOperation = nil;
+        
+        if (success) {
+            success(nil, nil, cachedImage);
+        }
+    } else {
+        self.image = placeholderImage;
+        
+        AFImageRequestOperation *requestOperation = [[AFImageRequestOperation alloc] initWithRequest:urlRequest];
+        [requestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+            if ([[urlRequest URL] isEqual:[[self.af_imageRequestOperation request] URL]]) {
+                if (success) {
+                    success(operation.request, operation.response, responseObject);
+                } else {
+                    self.image = responseObject;
+                }
+                
+                self.af_imageRequestOperation = nil;
+            }
+
+            [[[self class] af_sharedImageCache] cacheImage:responseObject forRequest:urlRequest];
+        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+            if ([[urlRequest URL] isEqual:[[self.af_imageRequestOperation request] URL]]) {
+                if (failure) {
+                    failure(operation.request, operation.response, error);
+                }
+                
+                self.af_imageRequestOperation = nil;
+            }
+        }];
+        
+        self.af_imageRequestOperation = requestOperation;
+        
+        [[[self class] af_sharedImageRequestOperationQueue] addOperation:self.af_imageRequestOperation];
+    }
+}
+
+- (void)cancelImageRequestOperation {
+    [self.af_imageRequestOperation cancel];
+    self.af_imageRequestOperation = nil;
+}
+
+@end
+
+#pragma mark -
+
+static inline NSString * AFImageCacheKeyFromURLRequest(NSURLRequest *request) {
+    return [[request URL] absoluteString];
+}
+
+@implementation AFImageCache
+
+- (UIImage *)cachedImageForRequest:(NSURLRequest *)request {
+    switch ([request cachePolicy]) {
+        case NSURLRequestReloadIgnoringCacheData:
+        case NSURLRequestReloadIgnoringLocalAndRemoteCacheData:
+            return nil;
+        default:
+            break;
+    }
+    
+	return [self objectForKey:AFImageCacheKeyFromURLRequest(request)];
+}
+
+- (void)cacheImage:(UIImage *)image
+        forRequest:(NSURLRequest *)request
+{
+    if (image && request) {
+        [self setObject:image forKey:AFImageCacheKeyFromURLRequest(request)];
+    }
+}
+
+@end
+
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/CHANGES b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/CHANGES
new file mode 100644
index 0000000..70f5a33
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/CHANGES
@@ -0,0 +1,513 @@
+= 1.1.0 (2012-12-27)
+
+ * Add optional SSL certificate pinning with `#define _AFNETWORKING_PIN_SSL_CERTIFICATES_` (Dustin Barker)
+
+ * Add `responseStringEncoding` property to `AFURLConnectionOperation` (Mattt Thompson)
+
+ * Add `userInfo` property to `AFURLConnectionOperation` (Mattt Thompson, Steven Fisher)
+
+ * Change behavior to cause a failure when an operation is cancelled (Daniel Tull)
+
+ * Change return type of class constructors to `instancetype` (@guykogus)
+
+ * Change notifications to always being posted on an asynchronously-dispatched block run on the main queue (Evadne Wu, Mattt Thompson)
+
+ * Change from NSLocalizedString to NSLocalizedStringFromTable with AFNetworking.strings table for localized strings (Cédric Luthi)
+
+ * Change `-appendPartWithHeaders:body:` to add assertion handler for existence of body data parameter (Jonathan Beilin)
+
+ * Change `AFHTTPRequestOperation -responseString` to follow guidelines from RFC 2616 regarding the use of string encoding when none is specified in the response (Jorge Bernal)
+
+ * Change AFHTTPClient parameter serialization dictionary keys with `caseInsensitiveCompare:` to ensure 
+ deterministic ordering of query string parameters, which may otherwise 
+ cause ambiguous representations of nested parameters (James Coleman, 
+ Mattt Thompson)
+
+ * Fix -Wstrict-selector-match warnings raised by Xcode 4.6DP3 (Jesse Collis, Cédric Luthi)
+
+ * Fix NSJSONSerialization crash with Unicode character escapes in JSON response (Mathijs Kadijk)
+
+ * Fix issue with early return in -startMonitoringNetworkReachability if network reachability object could not be created (i.e. invalid hostnames) (Basil Shkara)
+
+ * Fix retain cycles in AFImageRequestOperation.m and AFHTTPClient.m caused by strong references within blocks (Nick Forge)
+
+ * Fix issue caused by Rails behavior of returning a single space in head :ok responses, which is interpreted as invalid (Sebastian Ludwig)
+
+ * Fix issue in streaming multipart upload, where final encapsulation boundary would not be appended if it was larger than the available buffer, causing a potential timeout (Tomohisa Takaoka, David Kasper)
+
+ * Fix memory leak of network reachability callback block (Mattt Thompson)
+
+ * Fix `-initWithCoder:` for `AFURLConnectionOperation` and `AFHTTPClient` to cast scalar types (Mattt Thompson)
+
+ * Fix bug in `-enqueueBatchOfHTTPRequestOperations:...` to by using `addOperations:waitUntilFinished:` instead of adding each operation individually. (Mattt Thompson)
+
+ * Change `#warning` messages of checks for `CoreServices` and `MobileCoreServices` to message according to the build target platform (Mattt Thompson)
+
+ * Change `AFQueryStringFromParametersWithEncoding` to create keys string representations using the description method as specified in documentation (Cédric Luthi)
+
+ * Fix __unused keywords for better Xcode indexing (Christian Rasmussen)
+
+ * Fix warning: unused parameter 'x' [-Werror,-Wunused-parameter] (Oliver Jones)
+ 
+ * Fix warning: property is assumed atomic by default [-Werror,-Wimplicit-atomic-properties] (Oliver Jones)
+ 
+ * Fix warning: weak receiver may be unpredictably null in ARC mode [-Werror,-Wreceiver-is-weak] (Oliver Jones)
+ 
+ * Fix warning: multiple methods named 'selector' found [-Werror,-Wstrict-selector-match] (Oliver Jones)
+ 
+ * Fix warning: 'macro' is not defined, evaluates to 0 (Oliver Jones)
+ 
+ * Fix warning: atomic by default property 'X' has a user (Oliver Jones)defined getter (property should be marked 'atomic' if this is intended) [-Werror, -Wcustom-atomic-properties] (Oliver Jones)
+ 
+ * Fix warning: 'response' was marked unused but was used [-Werror,-Wused-but-marked-unused] (Oliver Jones)
+ 
+ * Fix warning: enumeration value 'AFFinalBoundaryPhase' not explicitly handled in switch [-Werror,-Wswitch-enum] (Oliver Jones)
+
+= 1.0.1 / 2012-11-01
+
+ * Fix error in multipart upload streaming, where byte range at boundaries
+was not correctly calculated (Stan Chang Khin Boon)
+
+ * If a success block is specified to `UIImageView -setImageWithURLRequest:
+placeholderImage:success:failure`:, it is now the responsibility of the
+block to set the image of the image view (Mattt Thompson)
+
+ * Add `JSONReadingOptions` property to `AFJSONRequestOperation` (Jeremy 
+ Foo, Mattt Thompson)
+
+ * Using __weak self / __strong self pattern to break retain cycles in
+ background task and network reachability blocks (Jerry Beers, Dan Weeks)
+
+ * Fix parameter encoding to leave period (`.`) unescaped (Diego Torres)
+
+ * Fixing last file component in multipart form part creation (Sylver 
+ Bruneau) 
+ 
+ * Remove executable permission on AFHTTPClient source files (Andrew 
+ Sardone)
+
+ * Fix warning (error with -Werror) on implicit 64 to 32 conversion (Dan
+ Weeks)
+
+ * Add GitHub's .gitignore file (Nate Stedman)
+
+ * Updates to README (@ckmcc)
+
+= 1.0 / 2012-10-15
+
+ * AFNetworking now requires iOS 5 / Mac OSX 10.7 or higher (Mattt Thompson)
+ 
+ * AFNetworking now uses Automatic Reference Counting (ARC) (Mattt Thompson)
+
+ * AFNetworking raises compiler warnings for missing features when 
+SystemConfiguration or  CoreServices / MobileCoreServices frameworks are not 
+included in the project and imported in the precompiled headers (Mattt 
+Thompson)
+
+ * AFNetworking now raises compiler error when not compiled with ARC (Steven 
+Fisher)
+
+ * Add `NSCoding` and `NSCopying` protocol conformance to 
+`AFURLConnectionOperation` and `AFHTTPClient` (Mattt Thompson)
+
+ * Add substantial improvements HTTP multipart streaming support, having 
+files streamed directly from disk and read sequentially from a custom input 
+stream (Max Lansing, Stan Chang Khin Boon, Mattt Thompson)
+ 
+ * Add `AFMultipartFormData -throttleBandwidthWithPacketSize:delay:` as 
+workaround to issues when uploading over 3G (Mattt Thompson)
+
+ * Add request and response to `userInfo` of errors returned from failing 
+`AFHTTPRequestOperation` (Mattt Thompson)
+
+ * Add `userInfo` dictionary with current status in reachability changes 
+(Mattt Thompson)
+
+ * Add `Accept` header for image requests in `UIImageView` category (Bratley 
+Lower)
+
+ * Add explicit declaration of `NSURLConnection` delegate methods so that 
+they can be overridden in subclasses (Mattt Thompson, Evan Grim)
+
+ * Add parameter validation to match conditions specified in documentation 
+(Jason Brennan, Mattt Thompson)
+
+ * Add import to `UIKit` to avoid build errors from `UIDevice` references in 
+`User-Agent` default header (Blake Watters)
+
+ * Remove `AFJSONUtilities` in favor of `NSJSONSerialization` (Mattt Thompson)
+
+ * Remove `extern` declaration of `AFURLEncodedStringFromStringWithEncoding` 
+function (`CFURLCreateStringByAddingPercentEscapes` should be used instead) 
+(Mattt Thompson)
+
+ * Remove `setHTTPShouldHandleCookies:NO` from `AFHTTPClient` (@phamsonha, 
+Mattt Thompson)
+ 
+ * Remove `dispatch_retain` / `dispatch_release` with ARC in iOS 6 (Benoit 
+Bourdon)
+ 
+ * Fix threading issue with `AFNetworkActivityIndicatorManager` (Eric Patey)
+
+ * Fix issue where `AFNetworkActivityIndicatorManager` count could become 
+negative (@ap4y)
+
+ * Fix properties to explicitly set options to suppress warnings (Wen-Hao 
+Lue, Mattt Thompson)
+
+ * Fix compiler warning caused by mismatched types in upload / download 
+progress blocks (Gareth du Plooy, tomas.a)
+ 
+ * Fix weak / strong variable relationships in `completionBlock` (Peter 
+Steinberger)
+
+ * Fix string formatting syntax warnings caused by type mismatch (David 
+Keegan, Steven Fisher, George Cox)
+
+ * Fix minor potential security vulnerability by explicitly using string 
+format in NSError localizedDescription value in userInfo (Steven Fisher)
+
+ * Fix `AFURLConnectionOperation -pause` by adding state checks to prevent 
+likely memory issues when resuming (Mattt Thompson)
+ 
+ * Fix warning caused by miscast of type when 
+`CLANG_WARN_IMPLICIT_SIGN_CONVERSION` is set (Steven Fisher)
+
+ * Fix incomplete implementation warning in example code (Steven Fisher)
+
+ * Fix warning caused by using `==` comparator on floats (Steven Fisher)
+
+ * Fix iOS 4 bug where file URLs return `NSURLResponse` rather than 
+`NSHTTPURLResponse` objects (Leo Lobato)
+
+ * Fix calculation of finished operations in batch operation progress 
+callback (Mattt Thompson)
+
+ * Fix documentation typos (Steven Fisher, Matthias Wessendorf, 
+jorge@miv.uk.com)
+
+ * Fix `hasAcceptableStatusCode` to return true after a network failure (Tony 
+Million)
+
+ * Fix warning about missing prototype for private static method (Stephan 
+Diederich)
+
+ * Fix issue where `nil` content type resulted in unacceptable content type 
+(Mattt Thompson)
+
+ * Fix bug related to setup and scheduling of output stream (Stephen Tramer)
+
+ * Fix AFContentTypesFromHTTPHeader to correctly handle comma-delimited 
+content types (Peyman, Mattt Thompson, @jsm174)
+
+ * Fix crash caused by `_networkReachability` not being set to `NULL` after 
+releasing (Blake Watters)
+
+ * Fix Podspec to correctly import required headers and use ARC (Eloy Durán, 
+Blake Watters)
+
+ * Fix query string parameter escaping to leave square brackets unescaped 
+(Mattt Thompson)
+
+ * Fix query string parameter encoding of `NSNull` values (Daniel Rinser)
+
+ * Fix error caused by referencing `__IPHONE_OS_VERSION_MIN_REQUIRED` without 
+importing `Availability.h` (Blake Watters)
+
+ * Update example to use App.net API, as Twitter shut off its unauthorized 
+access to the public timeline (Mattt Thompson)
+
+ * Update `AFURLConnectionOperation` to replace `NSAutoReleasePool` with 
+`@autoreleasepool` (Mattt Thompson)
+
+ * Update `AFHTTPClient` operation queue to specify 
+`NSOperationQueueDefaultMaxConcurrentOperationCount` rather than 
+previously-defined constant (Mattt Thompson)
+
+ * Update `AFHTTPClient -initWithBaseURL` to automatically append trailing 
+slash, so as to fix common issue where default path is not respected without 
+trailing slash (Steven Fisher)
+ 
+ * Update default `AFHTTPClient` `User-Agent` header strings (Mattt Thompson, 
+Steven Fisher)
+ 
+ * Update icons for iOS example application (Mattt Thompson)
+
+ * Update `numberOfCompletedOperations` variable in progress block to be 
+renamed to `numberOfFinishedOperations` (Mattt Thompson)
+
+
+= 0.10.0 / 2012-06-26
+
+ * Add Twitter Mac Example application (Mattt Thompson)
+
+ * Add note in README about how to set `-fno-objc-arc` flag for multiple files
+ at once (PÃ¥l Brattberg)
+
+ * Add note in README about 64-bit architecture requirement (@rmuginov, Mattt
+ Thompson)
+
+ * Add note in `AFNetworkActivityIndicatorManager` about not having to manually
+ manage animation state (Mattt Thompson)
+
+ * Add missing block parameter name for `imageProcessingBlock` (Francois
+ Lambert)
+
+ * Add NextiveJson to list of supported JSON libraries (Mattt Thompson)
+
+ * Restore iOS 4.0 compatibility with `addAcceptableStatusCodes:` and
+ `addAcceptableContentTypes:` (Zachary Waldowski)
+
+ * Update `AFHTTPClient` to use HTTP pipelining for `GET` and `HEAD` requests by
+ default (Mattt Thompson)
+
+ * Remove @private ivar declaration in headers (Peter Steinberger, Mattt
+ Thompson)
+
+ * Fix potential premature deallocation of _skippedCharacterSet (Tom Wanielista,
+ Mattt Thompson)
+
+ * Fix potential issue in `setOutputStream` by closing any existing
+ `outputStream` (Mattt Thompson)
+
+ * Fix filename in AFHTTPClient header (Steven Fisher)
+
+ * Fix documentation for UIImageView+AFNetworking (Mattt Thompson)
+
+ * Fix HTTP multipart form format, which caused issues with Tornado web server
+ (Matt Chen)
+
+ * Fix `AFHTTPClient` to not append empty data into multipart form data (Jon
+ Parise)
+
+ * Fix URL encoding normalization to not conditionally escape percent-encoded
+ strings (João Prado Maia, Kendall Helmstetter Gelner, @cysp, Mattt Thompson)
+
+ * Fix `AFHTTPClient` documentation reference of
+ `HTTPRequestOperationWithRequest:success:failure` (Shane Vitarana)
+
+ * Add `AFURLRequestOperation -setRedirectResponseBlock:` (Kevin Harwood)
+
+ * Fix `AFURLConnectionOperation` compilation error by conditionally importing
+ UIKit framework (Steven Fisher)
+
+ * Fix issue where image processing block is not called correctly with success
+ block in `AFImageRequestOperation` (Sergey Gavrilyuk)
+
+ * Fix leaked dispatch group in batch operations (@andyegorov, Mattt Thompson)
+
+ * Fix support for non-LLVM compilers in `AFNetworkActivityIndicatorManager`
+ (Abraham Vegh, Bill Williams, Mattt Thompson)
+
+ * Fix AFHTTPClient to not add unnecessary data when constructing multipart form
+ request with nil parameters (Taeho Kim)
+
+= 1.0RC1 / 2012-04-25
+
+ * Add `AFHTTPRequestOperation +addAcceptableStatusCodes /
++addAcceptableContentTypes` to dynamically add acceptable status codes and
+content types on the class level (Mattt Thompson)
+
+ * Add support for compound and complex `Accept` headers that include multiple
+content types and / or specify a particular character encoding (Mattt Thompson)
+
+ * Add `AFURLConnectionOperation
+-setShouldExecuteAsBackgroundTaskWithExpirationHandler:` to have operations
+finish once an app becomes inactive (Mattt Thompson)
+
+ * Add support for pausing / resuming request operations (Peter Steinberger,
+Mattt Thompson)
+
+ * Improve network reachability functionality in `AFHTTPClient`, including a
+distinction between WWan and WiFi reachability (Kevin Harwood, Mattt Thompson)
+
+
+= 0.9.2 / 2012-04-25
+
+ * Add thread safety to `AFNetworkActivityIndicator` (Peter Steinberger, Mattt
+Thompson)
+
+ * Document requirement of available JSON libraries for decoding responses in
+`AFJSONRequestOperation` and parameter encoding in `AFHTTPClient` (Mattt
+Thompson)
+
+ * Fix `AFHTTPClient` parameter encoding (Mattt Thompson)
+
+ * Fix `AFJSONEncode` and `AFJSONDecode` to use `SBJsonWriter` and
+`SBJsonParser` instead of `NSObject+SBJson` (Oliver Eikemeier)
+
+ * Fix bug where `AFJSONDecode` does not return errors (Alex Michaud)
+
+ * Fix compiler warning for undeclared
+`AFQueryStringComponentFromKeyAndValueWithEncoding` function (Mattt Thompson)
+
+ * Fix cache policy for URL requests (Peter Steinberger)
+
+ * Fix race condition bug in `UIImageView+AFNetworking` caused by incorrectly
+nil-ing request operations (John Wu)
+
+ * Fix reload button in Twitter example (Peter Steinberger)
+
+ * Improve batched operation by deferring execution of batch completion block
+until all component request completion blocks have finished (Patrick Hernandez,
+Kevin Harwood, Mattt Thompson)
+
+ * Improve performance of image request decoding by dispatching to background
+ queue (Mattt Thompson)
+
+ * Revert `AFImageCache` to cache image objects rather than `NSPurgeableData`
+(Tony Million, Peter Steinberger, Mattt Thompson)
+
+ * Remove unnecessary KVO `willChangeValueForKey:` / `didChangeValueForKey:`
+calls (Peter Steinberger)
+
+ * Remove unnecessary @private ivar declarations in headers (Peter Steinberger,
+Mattt Thompson)
+
+ * Remove @try-@catch block wrapping network thread entry point (Charles T. Ahn)
+
+
+= 0.9.1 / 2012-03-19
+
+ * Create Twitter example application (Mattt Thompson)
+
+ * Add support for nested array and dictionary parameters for query string and
+form-encoded requests (Mathieu Hausherr, Josh Chung, Mattt Thompson)
+
+ * Add `AFURLConnectionOperation -setCacheResponseBlock:`, which allows the
+behavior of the `NSURLConnectionDelegate` method
+`-connection:willCacheResponse:` to be overridden without subclassing (Mattt
+Thompson)
+
+ * Add `_AFNETWORKING_ALLOW_INVALID_SSL_CERTIFICATES_` macros for
+NSURLConnection authentication delegate methods (Mattt Thompson)
+
+ * Add properties for custom success / failure callback queues (Peter
+Steinberger)
+
+ * Add notifications for network reachability changes to `AFHTTPClient` (Mattt
+Thompson)
+
+ * Add `AFHTTPClient -patchPath:` convenience method (Mattt Thompson)
+
+ * Add support for NextiveJson (Adrian Kosmaczewski)
+
+ * Improve network reachability checks (C. Bess)
+
+ * Improve NSIndexSet formatting in error strings (Jon Parise)
+
+ * Document crashing behavior in iOS 4 loading a file:// URL (Mattt Thompson)
+
+ * Fix crash caused by `AFHTTPClient -cancelAllHTTPOperationsWithMethod:` not
+checking operation to be instance of `AFHTTPRequestOperation` (Mattt Thompson)
+
+ * Fix crash caused by passing `nil` URL in requests (Sam Soffes)
+
+ * Fix errors caused by connection property not being nil'd out after an
+operation finishes (Kevin Harwood, @zdzisiekpu)
+
+ * Fix crash caused by passing `NULL` error pointer when setting `NSInvocation`
+in `AFJSONEncode` and `AFJSONDecode` (Tyler Stromberg)
+
+ * Fix batch operation completion block returning on background thread (Patrick
+Hernandez)
+
+ * Fix documentation for UIImageView+AFNetworking (Dominic Dagradi)
+
+ * Fix race condition caused by `AFURLConnectionOperation` being cancelled on
+main thread, rather than network thread (Erik Olsson)
+
+ * Fix `AFURLEncodedStringFromStringWithEncoding` to correctly handle cases
+where % is used as a literal rather than as part of a percent escape code
+(Mattt Thompson)
+
+ * Fix missing comma in `+defaultAcceptableContentTypes` for
+`AFImageRequestOperation` (Michael Schneider)
+
+
+= 0.9.0 / 2012-01-23
+
+ * Add thread-safe behavior to `AFURLConnectionOperation` (Mattt Thompson)
+
+ * Add batching of operations for `AFHTTPClient` (Mattt Thompson)
+
+ * Add authentication challenge callback block to override default
+ implementation of `connection:didReceiveAuthenticationChallenge:` in
+ `AFURLConnectionOperation` (Mattt Thompson)
+
+ * Add `_AFNETWORKING_PREFER_NSJSONSERIALIZATION_`, which, when defined,
+ short-circuits the standard preference ordering used in `AFJSONEncode` and
+ `AFJSONDecode` to use `NSJSONSerialization` when available, falling back on
+ third-party-libraries. (Mattt Thompson, Shane Vitarana)
+
+ * Add custom `description` for `AFURLConnectionOperation` and `AFHTTPClient`
+ (Mattt Thompson)
+
+ * Add `text/javascript` to default acceptable content types for
+ `AFJSONRequestOperation` (Jake Boxer)
+
+ * Add `imageScale` property to change resolution of images constructed from
+ cached data (Štěpán Petrů)
+
+ * Add note about third party JSON libraries in README (David Keegan)
+
+ * `AFQueryStringFromParametersWithEncoding` formats `NSArray` values in the
+ form `key[]=value1&key[]=value2` instead of `key=(value1,value2)` (Dan Thorpe)
+
+ * `AFImageRequestOperation -responseImage` on OS X uses `NSBitmapImageRep` to
+ determine the correct pixel dimensions of the image (David Keegan)
+
+ * `AFURLConnectionOperation` `connection` has memory management policy `assign`
+ to avoid retain cycles caused by `NSURLConnection` retaining its delegate
+ (Mattt Thompson)
+
+ * `AFURLConnectionOperation` calls super implementation for `-isReady`,
+ following the guidelines for `NSOperation` subclasses (Mattt Thompson)
+
+ * `UIImageView -setImageWithURL:` and related methods call success callback
+ after setting image (Cameron Boehmer)
+
+ * Cancel request if an authentication challenge has no suitable credentials in
+ `AFURLConnectionOperation -connection:didReceiveAuthenticationChallenge:`
+ (Jorge Bernal)
+
+ * Remove exception from
+ `multipartFormRequestWithMethod:path:parameters:constructing BodyWithBlock:`
+ raised when certain HTTP methods are used. (Mattt Thompson)
+
+ * Remove `AFImageCache` from public API, moving it into private implementation
+ of `UIImageView+AFNetworking` (Mattt Thompson)
+
+ * Mac example application makes better use of AppKit technologies and
+ conventions (Mattt Thompson)
+
+ * Fix issue with multipart form boundaries in `AFHTTPClient
+ -multipartFormRequestWithMethod:path:parameters:constructing BodyWithBlock:`
+ (Ray Morgan, Mattt Thompson, Sam Soffes)
+
+ * Fix "File Upload with Progress Callback" code snippet in README (Larry Legend)
+
+ * Fix to SBJSON invocations in `AFJSONEncode` and `AFJSONDecode` (Matthias
+ Tretter, James Frye)
+
+ * Fix documentation for `AFHTTPClient requestWithMethod:path:parameters:`
+ (Michael Parker)
+
+ * Fix `Content-Disposition` headers used for multipart form construction
+ (Michael Parker)
+
+ * Add network reachability status change callback property to `AFHTTPClient`.
+ (Mattt Thompson, Kevin Harwood)
+
+ * Fix exception handling in `AFJSONEncode` and `AFJSONDecode` (David Keegan)
+
+ * Fix `NSData` initialization with string in `AFBase64EncodedStringFromString`
+ (Adam Ernst, Mattt Thompson)
+
+ * Fix error check in `appendPartWithFileURL:name:error:` (Warren Moore,
+ Baldoph, Mattt Thompson)
+
+ * Fix compiler warnings for certain configurations (Charlie Williams)
+
+ * Fix bug caused by passing zero-length `responseData` to response object
+ initializers (Mattt Thompson, Serge Paquet)
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Example.entitlements b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Example.entitlements
new file mode 100644
index 0000000..7a2230d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Example.entitlements	
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..59617d1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking Mac Example.xcodeproj/project.pbxproj	
@@ -0,0 +1,361 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		F8129C001591061B009BFE23 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F8129BFF1591061B009BFE23 /* Cocoa.framework */; };
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+		F8129C341591073C009BFE23 /* Post.m in Sources */ = {isa = PBXBuildFile; fileRef = F8129C2B1591073C009BFE23 /* Post.m */; };
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+		F8129C7115910B3E009BFE23 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = F8129C7015910B3E009BFE23 /* MainMenu.xib */; };
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+		F82EB07C159A172000B10B56 /* AFHTTPClient.m in Sources */ = {isa = PBXBuildFile; fileRef = F82EB06E159A172000B10B56 /* AFHTTPClient.m */; };
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+/* End PBXBuildFile section */
+
+/* Begin PBXFileReference section */
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking iOS Example.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking iOS Example.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..16afe14
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AFNetworking iOS Example.xcodeproj/project.pbxproj	
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+			buildConfigurations = (
+				F8E4697F1395739D00DB05C8 /* Debug */,
+				F8E469801395739D00DB05C8 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		F8E469811395739D00DB05C8 /* Build configuration list for PBXNativeTarget "AFNetworking iOS Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F8E469821395739D00DB05C8 /* Debug */,
+				F8E469831395739D00DB05C8 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = F8E469571395739C00DB05C8 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.h
new file mode 100644
index 0000000..b3c9e36
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.h
@@ -0,0 +1,44 @@
+// AppDelegate.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Availability.h>
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    #import <UIKit/UIKit.h>
+
+    @interface AppDelegate : NSObject <UIApplicationDelegate>
+
+    @property (nonatomic, strong) UIWindow *window;
+    @property (nonatomic, strong) UINavigationController *navigationController;
+
+    @end
+#else
+    #import <Cocoa/Cocoa.h>
+
+    @interface AppDelegate : NSObject <NSApplicationDelegate>
+
+    @property (strong) IBOutlet NSWindow *window;
+    @property (strong) IBOutlet NSTableView *tableView;
+    @property (strong) IBOutlet NSArrayController *postsArrayController;
+
+    @end
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.m
new file mode 100644
index 0000000..2516b4c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/AppDelegate.m
@@ -0,0 +1,93 @@
+// AppDelegate.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AppDelegate.h"
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    #import "GlobalTimelineViewController.h"
+
+    #import "AFNetworkActivityIndicatorManager.h"
+
+    @implementation AppDelegate
+    @synthesize window = _window;
+    @synthesize navigationController = _navigationController;
+
+    - (BOOL)application:(UIApplication *)application 
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 
+    {
+        NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
+        [NSURLCache setSharedURLCache:URLCache];
+            
+        [[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
+        
+        UITableViewController *viewController = [[GlobalTimelineViewController alloc] initWithStyle:UITableViewStylePlain];
+        self.navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];
+        self.navigationController.navigationBar.tintColor = [UIColor darkGrayColor];
+        
+        self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+        self.window.backgroundColor = [UIColor whiteColor];
+        self.window.rootViewController = self.navigationController;
+        [self.window makeKeyAndVisible];
+        
+        return YES;
+    }
+
+    @end
+#else
+    #import "Post.h"
+    #import "User.h"
+
+    @implementation AppDelegate
+
+    @synthesize window = _window;
+    @synthesize tableView = _tableView;
+    @synthesize postsArrayController = _postsArrayController;
+
+    - (void)applicationDidFinishLaunching:(NSNotification *)notification {
+        NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
+        [NSURLCache setSharedURLCache:URLCache];
+        
+        [self.window makeKeyAndOrderFront:self];
+        
+        [Post globalTimelinePostsWithBlock:^(NSArray *posts, NSError *error) {
+            if (error) {
+                [[NSAlert alertWithMessageText:NSLocalizedString(@"Error", nil) defaultButton:NSLocalizedString(@"OK", nil) alternateButton:nil otherButton:nil informativeTextWithFormat:@"%@",[error localizedDescription]] runModal];
+            }
+            
+            self.postsArrayController.content = posts;
+        }];
+        
+        [[NSNotificationCenter defaultCenter] addObserverForName:kUserProfileImageDidLoadNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notification) {
+            [self.tableView reloadData];
+        }];
+    }
+
+    - (BOOL)applicationShouldHandleReopen:(NSApplication *)application 
+                        hasVisibleWindows:(BOOL)flag 
+    {
+        [self.window makeKeyAndOrderFront:self];
+        
+        return YES;
+    }
+
+    @end
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.h
new file mode 100644
index 0000000..041288d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.h
@@ -0,0 +1,30 @@
+// AFAppDotNetAPIClient.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFHTTPClient.h"
+
+@interface AFAppDotNetAPIClient : AFHTTPClient
+
++ (AFAppDotNetAPIClient *)sharedClient;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.m
new file mode 100644
index 0000000..f0bc2f1
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/AFAppDotNetAPIClient.m
@@ -0,0 +1,55 @@
+// AFAppDotNetAPIClient.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFAppDotNetAPIClient.h"
+
+#import "AFJSONRequestOperation.h"
+
+static NSString * const kAFAppDotNetAPIBaseURLString = @"https://alpha-api.app.net/";
+
+@implementation AFAppDotNetAPIClient
+
++ (AFAppDotNetAPIClient *)sharedClient {
+    static AFAppDotNetAPIClient *_sharedClient = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _sharedClient = [[AFAppDotNetAPIClient alloc] initWithBaseURL:[NSURL URLWithString:kAFAppDotNetAPIBaseURLString]];
+    });
+    
+    return _sharedClient;
+}
+
+- (id)initWithBaseURL:(NSURL *)url {
+    self = [super initWithBaseURL:url];
+    if (!self) {
+        return nil;
+    }
+    
+    [self registerHTTPOperationClass:[AFJSONRequestOperation class]];
+    
+    // Accept HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1
+	[self setDefaultHeader:@"Accept" value:@"application/json"];
+    
+    return self;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.h
new file mode 100644
index 0000000..009cb54
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.h
@@ -0,0 +1,27 @@
+// GlobalTimelineViewController.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <UIKit/UIKit.h>
+
+@interface GlobalTimelineViewController : UITableViewController
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.m
new file mode 100644
index 0000000..c101936
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Controllers/GlobalTimelineViewController.m
@@ -0,0 +1,114 @@
+// GlobalTimelineViewController.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "GlobalTimelineViewController.h"
+
+#import "Post.h"
+
+#import "PostTableViewCell.h"
+
+@interface GlobalTimelineViewController ()
+- (void)reload:(id)sender;
+@end
+
+@implementation GlobalTimelineViewController {
+@private
+    NSArray *_posts;
+    
+    __strong UIActivityIndicatorView *_activityIndicatorView;
+}
+
+- (void)reload:(id)sender {
+    [_activityIndicatorView startAnimating];
+    self.navigationItem.rightBarButtonItem.enabled = NO;
+    
+    [Post globalTimelinePostsWithBlock:^(NSArray *posts, NSError *error) {
+        if (error) {
+            [[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", nil) message:[error localizedDescription] delegate:nil cancelButtonTitle:nil otherButtonTitles:NSLocalizedString(@"OK", nil), nil] show];
+        } else {
+            _posts = posts;
+            [self.tableView reloadData];
+        }
+        
+        [_activityIndicatorView stopAnimating];
+        self.navigationItem.rightBarButtonItem.enabled = YES;
+    }];
+}
+
+#pragma mark - UIViewController
+
+- (void)loadView {
+    [super loadView];
+    
+    _activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
+    _activityIndicatorView.hidesWhenStopped = YES;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    self.title = NSLocalizedString(@"AFNetworking", nil);
+    
+    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:_activityIndicatorView];
+    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(reload:)];
+    
+    self.tableView.rowHeight = 70.0f;
+    
+    [self reload:nil];
+}
+
+- (void)viewDidUnload {
+    _activityIndicatorView = nil;
+    
+    [super viewDidUnload];
+}
+
+#pragma mark - UITableViewDataSource
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return [_posts count];
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    static NSString *CellIdentifier = @"Cell";
+    
+    PostTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (!cell) {
+        cell = [[PostTableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];
+    }
+    
+    cell.post = [_posts objectAtIndex:indexPath.row];
+    
+    return cell;
+}
+
+#pragma mark - UITableViewDelegate
+
+- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
+    return [PostTableViewCell heightForCellWithPost:[_posts objectAtIndex:indexPath.row]];
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    [tableView deselectRowAtIndexPath:indexPath animated:YES];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.h
new file mode 100644
index 0000000..b261910
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.h
@@ -0,0 +1,38 @@
+// Post.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+@class User;
+
+@interface Post : NSObject
+
+@property (readonly) NSUInteger postID;
+@property (readonly) NSString *text;
+
+@property (readonly) User *user;
+
+- (id)initWithAttributes:(NSDictionary *)attributes;
+
++ (void)globalTimelinePostsWithBlock:(void (^)(NSArray *posts, NSError *error))block;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.m
new file mode 100644
index 0000000..b76b1ef
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/Post.m
@@ -0,0 +1,68 @@
+// Post.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "Post.h"
+#import "User.h"
+
+#import "AFAppDotNetAPIClient.h"
+
+@implementation Post
+@synthesize postID = _postID;
+@synthesize text = _text;
+@synthesize user = _user;
+
+- (id)initWithAttributes:(NSDictionary *)attributes {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    _postID = [[attributes valueForKeyPath:@"id"] integerValue];
+    _text = [attributes valueForKeyPath:@"text"];
+    
+    _user = [[User alloc] initWithAttributes:[attributes valueForKeyPath:@"user"]];
+    
+    return self;
+}
+
+#pragma mark -
+
++ (void)globalTimelinePostsWithBlock:(void (^)(NSArray *posts, NSError *error))block {
+    [[AFAppDotNetAPIClient sharedClient] getPath:@"stream/0/posts/stream/global" parameters:nil success:^(AFHTTPRequestOperation *operation, id JSON) {
+        NSArray *postsFromResponse = [JSON valueForKeyPath:@"data"];
+        NSMutableArray *mutablePosts = [NSMutableArray arrayWithCapacity:[postsFromResponse count]];
+        for (NSDictionary *attributes in postsFromResponse) {
+            Post *post = [[Post alloc] initWithAttributes:attributes];
+            [mutablePosts addObject:post];
+        }
+        
+        if (block) {
+            block([NSArray arrayWithArray:mutablePosts], nil);
+        }
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        if (block) {
+            block([NSArray array], error);
+        }
+    }];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.h
new file mode 100644
index 0000000..99d973b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.h
@@ -0,0 +1,39 @@
+// User.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+extern NSString * const kUserProfileImageDidLoadNotification;
+
+@interface User : NSObject
+
+@property (readonly) NSUInteger userID;
+@property (readonly) NSString *username;
+@property (unsafe_unretained, readonly) NSURL *avatarImageURL;
+
+- (id)initWithAttributes:(NSDictionary *)attributes;
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+@property (nonatomic, strong) NSImage *profileImage;
+#endif
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.m
new file mode 100644
index 0000000..6ffe23b
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Models/User.m
@@ -0,0 +1,97 @@
+// User.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "User.h"
+#import "AFImageRequestOperation.h"
+
+NSString * const kUserProfileImageDidLoadNotification = @"com.alamofire.user.profile-image.loaded";
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+@interface User ()
++ (NSOperationQueue *)sharedProfileImageRequestOperationQueue;
+@end
+#endif
+
+@implementation User {
+@private
+    NSString *_avatarImageURLString;
+    AFImageRequestOperation *_avatarImageRequestOperation;
+}
+
+@synthesize userID = _userID;
+@synthesize username = _username;
+
+- (id)initWithAttributes:(NSDictionary *)attributes {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+    
+    _userID = [[attributes valueForKeyPath:@"id"] integerValue];
+    _username = [attributes valueForKeyPath:@"username"];
+    _avatarImageURLString = [attributes valueForKeyPath:@"avatar_image.url"];
+    
+    return self;
+}
+
+- (NSURL *)avatarImageURL {
+    return [NSURL URLWithString:_avatarImageURLString];
+}
+
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+
+@synthesize profileImage = _profileImage;
+
++ (NSOperationQueue *)sharedProfileImageRequestOperationQueue {
+    static NSOperationQueue *_sharedProfileImageRequestOperationQueue = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _sharedProfileImageRequestOperationQueue = [[NSOperationQueue alloc] init];
+        [_sharedProfileImageRequestOperationQueue setMaxConcurrentOperationCount:8];
+    });
+    
+    return _sharedProfileImageRequestOperationQueue;
+}
+
+- (NSImage *)profileImage {
+	if (!_profileImage && !_avatarImageRequestOperation) {
+		_avatarImageRequestOperation = [AFImageRequestOperation imageRequestOperationWithRequest:[NSURLRequest requestWithURL:self.avatarImageURL] success:^(NSImage *image) {
+			self.profileImage = image;
+            
+			_avatarImageRequestOperation = nil;
+            
+            [[NSNotificationCenter defaultCenter] postNotificationName:kUserProfileImageDidLoadNotification object:self userInfo:nil];
+		}];
+        
+		[_avatarImageRequestOperation setCacheResponseBlock:^NSCachedURLResponse *(NSURLConnection *connection, NSCachedURLResponse *cachedResponse) {
+			return [[NSCachedURLResponse alloc] initWithResponse:cachedResponse.response data:cachedResponse.data userInfo:cachedResponse.userInfo storagePolicy:NSURLCacheStorageAllowed];
+		}];
+		
+        [[[self class] sharedProfileImageRequestOperationQueue] addOperation:_avatarImageRequestOperation];
+	}
+	
+	return _profileImage;
+}
+
+#endif
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.h
new file mode 100644
index 0000000..8336b24
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.h
@@ -0,0 +1,33 @@
+// TweetTableViewCell.h
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <UIKit/UIKit.h>
+
+@class Post;
+
+@interface PostTableViewCell : UITableViewCell
+
+@property (nonatomic, strong) Post *post;
+
++ (CGFloat)heightForCellWithPost:(Post *)post;
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.m
new file mode 100644
index 0000000..e5bb679
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Classes/Views/PostTableViewCell.m
@@ -0,0 +1,81 @@
+// TweetTableViewCell.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "PostTableViewCell.h"
+
+#import "Post.h"
+#import "User.h"
+
+#import "UIImageView+AFNetworking.h"
+
+@implementation PostTableViewCell {
+@private
+    __strong Post *_post;
+}
+
+@synthesize post = _post;
+
+- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
+    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
+    if (!self) {
+        return nil;
+    }
+    
+    self.textLabel.adjustsFontSizeToFitWidth = YES;
+    self.textLabel.textColor = [UIColor darkGrayColor];
+    self.detailTextLabel.font = [UIFont systemFontOfSize:12.0f];
+    self.detailTextLabel.numberOfLines = 0;
+    self.selectionStyle = UITableViewCellSelectionStyleGray;
+    
+    return self;
+}
+
+- (void)setPost:(Post *)post {
+    _post = post;
+
+    self.textLabel.text = _post.user.username;
+    self.detailTextLabel.text = _post.text;
+    [self.imageView setImageWithURL:_post.user.avatarImageURL placeholderImage:[UIImage imageNamed:@"profile-image-placeholder"]];
+    
+    [self setNeedsLayout];
+}
+
++ (CGFloat)heightForCellWithPost:(Post *)post {
+    CGSize sizeToFit = [post.text sizeWithFont:[UIFont systemFontOfSize:12.0f] constrainedToSize:CGSizeMake(220.0f, CGFLOAT_MAX) lineBreakMode:UILineBreakModeWordWrap];
+    
+    return fmaxf(70.0f, sizeToFit.height + 45.0f);
+}
+
+#pragma mark - UIView
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    
+    self.imageView.frame = CGRectMake(10.0f, 10.0f, 50.0f, 50.0f);
+    self.textLabel.frame = CGRectMake(70.0f, 10.0f, 240.0f, 20.0f);
+    
+    CGRect detailTextLabelFrame = CGRectOffset(self.textLabel.frame, 0.0f, 25.0f);
+    detailTextLabelFrame.size.height = [[self class] heightForCellWithPost:_post] - 45.0f;
+    self.detailTextLabel.frame = detailTextLabelFrame;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default-568h@2x.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default-568h@2x.png
new file mode 100644
index 0000000..0891b7a
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default.png
new file mode 100644
index 0000000..44cc3a3
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default@2x.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Default@2x.png
new file mode 100644
index 0000000..4875f07
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Icon.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Icon.png
new file mode 100644
index 0000000..9956cb1
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Icon@2x.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Icon@2x.png
new file mode 100644
index 0000000..7fcc226
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder.png
new file mode 100644
index 0000000..4503b5b
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder.png differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder@2x.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder@2x.png
new file mode 100644
index 0000000..ee6e24f
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Images/profile-image-placeholder@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Mac-Info.plist b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Mac-Info.plist
new file mode 100644
index 0000000..fc1c1f6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Mac-Info.plist
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.alamofire.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2012年 Mattt Thompson. All rights reserved.</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/MainMenu.xib b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/MainMenu.xib
new file mode 100644
index 0000000..5f2d106
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/MainMenu.xib
@@ -0,0 +1,2070 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.10">
+	<data>
+		<int key="IBDocument.SystemTarget">1080</int>
+		<string key="IBDocument.SystemVersion">12B19</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2840</string>
+		<string key="IBDocument.AppKitVersion">1187</string>
+		<string key="IBDocument.HIToolboxVersion">624.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin</string>
+			<string key="NS.object.0">2840</string>
+		</object>
+		<object class="NSArray" key="IBDocument.IntegratedClassDependencies">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<string>IBNSLayoutConstraint</string>
+			<string>NSArrayController</string>
+			<string>NSCustomObject</string>
+			<string>NSImageCell</string>
+			<string>NSImageView</string>
+			<string>NSMenu</string>
+			<string>NSMenuItem</string>
+			<string>NSScrollView</string>
+			<string>NSScroller</string>
+			<string>NSTableCellView</string>
+			<string>NSTableColumn</string>
+			<string>NSTableView</string>
+			<string>NSTextField</string>
+			<string>NSTextFieldCell</string>
+			<string>NSView</string>
+			<string>NSWindowTemplate</string>
+		</object>
+		<object class="NSArray" key="IBDocument.PluginDependencies">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1048">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSCustomObject" id="1021">
+				<string key="NSClassName">NSApplication</string>
+			</object>
+			<object class="NSCustomObject" id="1014">
+				<string key="NSClassName">FirstResponder</string>
+			</object>
+			<object class="NSCustomObject" id="1050">
+				<string key="NSClassName">NSApplication</string>
+			</object>
+			<object class="NSMenu" id="649796088">
+				<string key="NSTitle">AMainMenu</string>
+				<object class="NSMutableArray" key="NSMenuItems">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<object class="NSMenuItem" id="694149608">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">AFNetworking Mac Example</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<object class="NSCustomResource" key="NSOnImage" id="35465992">
+							<string key="NSClassName">NSImage</string>
+							<string key="NSResourceName">NSMenuCheckmark</string>
+						</object>
+						<object class="NSCustomResource" key="NSMixedImage" id="502551668">
+							<string key="NSClassName">NSImage</string>
+							<string key="NSResourceName">NSMenuMixedState</string>
+						</object>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="110575045">
+							<string key="NSTitle">AFNetworking Mac Example</string>
+							<object class="NSMutableArray" key="NSMenuItems">
+								<bool key="EncodedWithXMLCoder">YES</bool>
+								<object class="NSMenuItem" id="238522557">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">About AFNetworking Mac Example</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="304266470">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1046388886">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Services</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="752062318">
+										<string key="NSTitle">Services</string>
+										<object class="NSMutableArray" key="NSMenuItems">
+											<bool key="EncodedWithXMLCoder">YES</bool>
+										</object>
+										<string key="NSName">_NSServicesMenu</string>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="646227648">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="755159360">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Hide AFNetworking Mac Example</string>
+									<string key="NSKeyEquiv">h</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="342932134">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Hide Others</string>
+									<string key="NSKeyEquiv">h</string>
+									<int key="NSKeyEquivModMask">1572864</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="908899353">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Show All</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1056857174">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="632727374">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Quit AFNetworking Mac Example</string>
+									<string key="NSKeyEquiv">q</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</object>
+							<string key="NSName">_NSAppleMenu</string>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="141598972">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">File</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="702625398">
+							<string key="NSTitle">File</string>
+							<object class="NSMutableArray" key="NSMenuItems">
+								<bool key="EncodedWithXMLCoder">YES</bool>
+								<object class="NSMenuItem" id="943041763">
+									<reference key="NSMenu" ref="702625398"/>
+									<string key="NSTitle">New</string>
+									<string key="NSKeyEquiv">n</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="883464109">
+									<reference key="NSMenu" ref="702625398"/>
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Prefix.pch
new file mode 100644
index 0000000..18b984d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/Prefix.pch
@@ -0,0 +1,20 @@
+#import <Availability.h>
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+  #ifndef __IPHONE_3_0
+    #warning "This project uses features only available in iPhone SDK 3.0 and later."
+  #endif
+
+  #ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+    #import <SystemConfiguration/SystemConfiguration.h>
+    #import <MobileCoreServices/MobileCoreServices.h>
+  #endif
+#else
+  #ifdef __OBJC__
+    #import <Cocoa/Cocoa.h>
+    #import <SystemConfiguration/SystemConfiguration.h>
+    #import <CoreServices/CoreServices.h>
+  #endif
+#endif
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/en.lproj/MainMenu.xib b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/en.lproj/MainMenu.xib
new file mode 100644
index 0000000..1285ad3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/en.lproj/MainMenu.xib
@@ -0,0 +1,4587 @@
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+<archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1070</int>
+		<string key="IBDocument.SystemVersion">11C42</string>
+		<string key="IBDocument.InterfaceBuilderVersion">1938</string>
+		<string key="IBDocument.AppKitVersion">1138.17</string>
+		<string key="IBDocument.HIToolboxVersion">567.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin</string>
+			<string key="NS.object.0">1938</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>NSWindowTemplate</string>
+			<string>NSView</string>
+			<string>NSMenu</string>
+			<string>NSMenuItem</string>
+			<string>NSCustomObject</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1048">
+			<object class="NSCustomObject" id="1021">
+				<string key="NSClassName">NSApplication</string>
+			</object>
+			<object class="NSCustomObject" id="1014">
+				<string key="NSClassName">FirstResponder</string>
+			</object>
+			<object class="NSCustomObject" id="1050">
+				<string key="NSClassName">NSApplication</string>
+			</object>
+			<object class="NSMenu" id="649796088">
+				<string key="NSTitle">AMainMenu</string>
+				<array class="NSMutableArray" key="NSMenuItems">
+					<object class="NSMenuItem" id="694149608">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">AFNetworking-Mac-Example</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<object class="NSCustomResource" key="NSOnImage" id="35465992">
+							<string key="NSClassName">NSImage</string>
+							<string key="NSResourceName">NSMenuCheckmark</string>
+						</object>
+						<object class="NSCustomResource" key="NSMixedImage" id="502551668">
+							<string key="NSClassName">NSImage</string>
+							<string key="NSResourceName">NSMenuMixedState</string>
+						</object>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="110575045">
+							<string key="NSTitle">AFNetworking-Mac-Example</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="238522557">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">About AFNetworking-Mac-Example</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="304266470">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="609285721">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Preferences…</string>
+									<string key="NSKeyEquiv">,</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="481834944">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1046388886">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Services</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="752062318">
+										<string key="NSTitle">Services</string>
+										<array class="NSMutableArray" key="NSMenuItems"/>
+										<string key="NSName">_NSServicesMenu</string>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="646227648">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="755159360">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Hide AFNetworking-Mac-Example</string>
+									<string key="NSKeyEquiv">h</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="342932134">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Hide Others</string>
+									<string key="NSKeyEquiv">h</string>
+									<int key="NSKeyEquivModMask">1572864</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="908899353">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Show All</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1056857174">
+									<reference key="NSMenu" ref="110575045"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="632727374">
+									<reference key="NSMenu" ref="110575045"/>
+									<string key="NSTitle">Quit AFNetworking-Mac-Example</string>
+									<string key="NSKeyEquiv">q</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</array>
+							<string key="NSName">_NSAppleMenu</string>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="379814623">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">File</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="720053764">
+							<string key="NSTitle">File</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="705341025">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">New</string>
+									<string key="NSKeyEquiv">n</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="722745758">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Open…</string>
+									<string key="NSKeyEquiv">o</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1025936716">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Open Recent</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="1065607017">
+										<string key="NSTitle">Open Recent</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="759406840">
+												<reference key="NSMenu" ref="1065607017"/>
+												<string key="NSTitle">Clear Menu</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+										<string key="NSName">_NSRecentDocumentsMenu</string>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="425164168">
+									<reference key="NSMenu" ref="720053764"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="776162233">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Close</string>
+									<string key="NSKeyEquiv">w</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1023925487">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Save…</string>
+									<string key="NSKeyEquiv">s</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="579971712">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Revert to Saved</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1010469920">
+									<reference key="NSMenu" ref="720053764"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="294629803">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Page Setup...</string>
+									<string key="NSKeyEquiv">P</string>
+									<int key="NSKeyEquivModMask">1179648</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSToolTip"/>
+								</object>
+								<object class="NSMenuItem" id="49223823">
+									<reference key="NSMenu" ref="720053764"/>
+									<string key="NSTitle">Print…</string>
+									<string key="NSKeyEquiv">p</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</array>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="952259628">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">Edit</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="789758025">
+							<string key="NSTitle">Edit</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="1058277027">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Undo</string>
+									<string key="NSKeyEquiv">z</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="790794224">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Redo</string>
+									<string key="NSKeyEquiv">Z</string>
+									<int key="NSKeyEquivModMask">1179648</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="1040322652">
+									<reference key="NSMenu" ref="789758025"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="296257095">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Cut</string>
+									<string key="NSKeyEquiv">x</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="860595796">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Copy</string>
+									<string key="NSKeyEquiv">c</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="29853731">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Paste</string>
+									<string key="NSKeyEquiv">v</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="82994268">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Paste and Match Style</string>
+									<string key="NSKeyEquiv">V</string>
+									<int key="NSKeyEquivModMask">1572864</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="437104165">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Delete</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="583158037">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Select All</string>
+									<string key="NSKeyEquiv">a</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="212016141">
+									<reference key="NSMenu" ref="789758025"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="892235320">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Find</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="963351320">
+										<string key="NSTitle">Find</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="447796847">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Find…</string>
+												<string key="NSKeyEquiv">f</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">1</int>
+											</object>
+											<object class="NSMenuItem" id="738670835">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Find and Replace…</string>
+												<string key="NSKeyEquiv">f</string>
+												<int key="NSKeyEquivModMask">1572864</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">12</int>
+											</object>
+											<object class="NSMenuItem" id="326711663">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Find Next</string>
+												<string key="NSKeyEquiv">g</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">2</int>
+											</object>
+											<object class="NSMenuItem" id="270902937">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Find Previous</string>
+												<string key="NSKeyEquiv">G</string>
+												<int key="NSKeyEquivModMask">1179648</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">3</int>
+											</object>
+											<object class="NSMenuItem" id="159080638">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Use Selection for Find</string>
+												<string key="NSKeyEquiv">e</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">7</int>
+											</object>
+											<object class="NSMenuItem" id="88285865">
+												<reference key="NSMenu" ref="963351320"/>
+												<string key="NSTitle">Jump to Selection</string>
+												<string key="NSKeyEquiv">j</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="972420730">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Spelling and Grammar</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="769623530">
+										<string key="NSTitle">Spelling and Grammar</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="679648819">
+												<reference key="NSMenu" ref="769623530"/>
+												<string key="NSTitle">Show Spelling and Grammar</string>
+												<string key="NSKeyEquiv">:</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="96193923">
+												<reference key="NSMenu" ref="769623530"/>
+												<string key="NSTitle">Check Document Now</string>
+												<string key="NSKeyEquiv">;</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="859480356">
+												<reference key="NSMenu" ref="769623530"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="948374510">
+												<reference key="NSMenu" ref="769623530"/>
+												<string key="NSTitle">Check Spelling While Typing</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="967646866">
+												<reference key="NSMenu" ref="769623530"/>
+												<string key="NSTitle">Check Grammar With Spelling</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="795346622">
+												<reference key="NSMenu" ref="769623530"/>
+												<string key="NSTitle">Correct Spelling Automatically</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="507821607">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Substitutions</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="698887838">
+										<string key="NSTitle">Substitutions</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="65139061">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Show Substitutions</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="19036812">
+												<reference key="NSMenu" ref="698887838"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="605118523">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Smart Copy/Paste</string>
+												<string key="NSKeyEquiv">f</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">1</int>
+											</object>
+											<object class="NSMenuItem" id="197661976">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Smart Quotes</string>
+												<string key="NSKeyEquiv">g</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">2</int>
+											</object>
+											<object class="NSMenuItem" id="672708820">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Smart Dashes</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="708854459">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Smart Links</string>
+												<string key="NSKeyEquiv">G</string>
+												<int key="NSKeyEquivModMask">1179648</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">3</int>
+											</object>
+											<object class="NSMenuItem" id="537092702">
+												<reference key="NSMenu" ref="698887838"/>
+												<string key="NSTitle">Text Replacement</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="288088188">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Transformations</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="579392910">
+										<string key="NSTitle">Transformations</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="1060694897">
+												<reference key="NSMenu" ref="579392910"/>
+												<string key="NSTitle">Make Upper Case</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="879586729">
+												<reference key="NSMenu" ref="579392910"/>
+												<string key="NSTitle">Make Lower Case</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="56570060">
+												<reference key="NSMenu" ref="579392910"/>
+												<string key="NSTitle">Capitalize</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="676164635">
+									<reference key="NSMenu" ref="789758025"/>
+									<string key="NSTitle">Speech</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="785027613">
+										<string key="NSTitle">Speech</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="731782645">
+												<reference key="NSMenu" ref="785027613"/>
+												<string key="NSTitle">Start Speaking</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="680220178">
+												<reference key="NSMenu" ref="785027613"/>
+												<string key="NSTitle">Stop Speaking</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+							</array>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="302598603">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">Format</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="941447902">
+							<string key="NSTitle">Format</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="792887677">
+									<reference key="NSMenu" ref="941447902"/>
+									<string key="NSTitle">Font</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="786677654">
+										<string key="NSTitle">Font</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="159677712">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Show Fonts</string>
+												<string key="NSKeyEquiv">t</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="305399458">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Bold</string>
+												<string key="NSKeyEquiv">b</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">2</int>
+											</object>
+											<object class="NSMenuItem" id="814362025">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Italic</string>
+												<string key="NSKeyEquiv">i</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">1</int>
+											</object>
+											<object class="NSMenuItem" id="330926929">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Underline</string>
+												<string key="NSKeyEquiv">u</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="533507878">
+												<reference key="NSMenu" ref="786677654"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="158063935">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Bigger</string>
+												<string key="NSKeyEquiv">+</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">3</int>
+											</object>
+											<object class="NSMenuItem" id="885547335">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Smaller</string>
+												<string key="NSKeyEquiv">-</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<int key="NSTag">4</int>
+											</object>
+											<object class="NSMenuItem" id="901062459">
+												<reference key="NSMenu" ref="786677654"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="767671776">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Kern</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<string key="NSAction">submenuAction:</string>
+												<object class="NSMenu" key="NSSubmenu" id="175441468">
+													<string key="NSTitle">Kern</string>
+													<array class="NSMutableArray" key="NSMenuItems">
+														<object class="NSMenuItem" id="252969304">
+															<reference key="NSMenu" ref="175441468"/>
+															<string key="NSTitle">Use Default</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="766922938">
+															<reference key="NSMenu" ref="175441468"/>
+															<string key="NSTitle">Use None</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="677519740">
+															<reference key="NSMenu" ref="175441468"/>
+															<string key="NSTitle">Tighten</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="238351151">
+															<reference key="NSMenu" ref="175441468"/>
+															<string key="NSTitle">Loosen</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+													</array>
+												</object>
+											</object>
+											<object class="NSMenuItem" id="691570813">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Ligature</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<string key="NSAction">submenuAction:</string>
+												<object class="NSMenu" key="NSSubmenu" id="1058217995">
+													<string key="NSTitle">Ligature</string>
+													<array class="NSMutableArray" key="NSMenuItems">
+														<object class="NSMenuItem" id="706297211">
+															<reference key="NSMenu" ref="1058217995"/>
+															<string key="NSTitle">Use Default</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="568384683">
+															<reference key="NSMenu" ref="1058217995"/>
+															<string key="NSTitle">Use None</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="663508465">
+															<reference key="NSMenu" ref="1058217995"/>
+															<string key="NSTitle">Use All</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+													</array>
+												</object>
+											</object>
+											<object class="NSMenuItem" id="769124883">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Baseline</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<string key="NSAction">submenuAction:</string>
+												<object class="NSMenu" key="NSSubmenu" id="18263474">
+													<string key="NSTitle">Baseline</string>
+													<array class="NSMutableArray" key="NSMenuItems">
+														<object class="NSMenuItem" id="257962622">
+															<reference key="NSMenu" ref="18263474"/>
+															<string key="NSTitle">Use Default</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="644725453">
+															<reference key="NSMenu" ref="18263474"/>
+															<string key="NSTitle">Superscript</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="1037576581">
+															<reference key="NSMenu" ref="18263474"/>
+															<string key="NSTitle">Subscript</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="941806246">
+															<reference key="NSMenu" ref="18263474"/>
+															<string key="NSTitle">Raise</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="1045724900">
+															<reference key="NSMenu" ref="18263474"/>
+															<string key="NSTitle">Lower</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+													</array>
+												</object>
+											</object>
+											<object class="NSMenuItem" id="739652853">
+												<reference key="NSMenu" ref="786677654"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="1012600125">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Show Colors</string>
+												<string key="NSKeyEquiv">C</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="214559597">
+												<reference key="NSMenu" ref="786677654"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="596732606">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Copy Style</string>
+												<string key="NSKeyEquiv">c</string>
+												<int key="NSKeyEquivModMask">1572864</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="393423671">
+												<reference key="NSMenu" ref="786677654"/>
+												<string key="NSTitle">Paste Style</string>
+												<string key="NSKeyEquiv">v</string>
+												<int key="NSKeyEquivModMask">1572864</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+										<string key="NSName">_NSFontMenu</string>
+									</object>
+								</object>
+								<object class="NSMenuItem" id="215659978">
+									<reference key="NSMenu" ref="941447902"/>
+									<string key="NSTitle">Text</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+									<string key="NSAction">submenuAction:</string>
+									<object class="NSMenu" key="NSSubmenu" id="446991534">
+										<string key="NSTitle">Text</string>
+										<array class="NSMutableArray" key="NSMenuItems">
+											<object class="NSMenuItem" id="875092757">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Align Left</string>
+												<string key="NSKeyEquiv">{</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="630155264">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Center</string>
+												<string key="NSKeyEquiv">|</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="945678886">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Justify</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="512868991">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Align Right</string>
+												<string key="NSKeyEquiv">}</string>
+												<int key="NSKeyEquivModMask">1048576</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="163117631">
+												<reference key="NSMenu" ref="446991534"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="31516759">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Writing Direction</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+												<string key="NSAction">submenuAction:</string>
+												<object class="NSMenu" key="NSSubmenu" id="956096989">
+													<string key="NSTitle">Writing Direction</string>
+													<array class="NSMutableArray" key="NSMenuItems">
+														<object class="NSMenuItem" id="257099033">
+															<reference key="NSMenu" ref="956096989"/>
+															<bool key="NSIsDisabled">YES</bool>
+															<string key="NSTitle">Paragraph</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="551969625">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CURlZmF1bHQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="249532473">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CUxlZnQgdG8gUmlnaHQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="607364498">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CVJpZ2h0IHRvIExlZnQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="508151438">
+															<reference key="NSMenu" ref="956096989"/>
+															<bool key="NSIsDisabled">YES</bool>
+															<bool key="NSIsSeparator">YES</bool>
+															<string key="NSTitle"/>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="981751889">
+															<reference key="NSMenu" ref="956096989"/>
+															<bool key="NSIsDisabled">YES</bool>
+															<string key="NSTitle">Selection</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="380031999">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CURlZmF1bHQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="825984362">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CUxlZnQgdG8gUmlnaHQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+														<object class="NSMenuItem" id="560145579">
+															<reference key="NSMenu" ref="956096989"/>
+															<string type="base64-UTF8" key="NSTitle">CVJpZ2h0IHRvIExlZnQ</string>
+															<string key="NSKeyEquiv"/>
+															<int key="NSMnemonicLoc">2147483647</int>
+															<reference key="NSOnImage" ref="35465992"/>
+															<reference key="NSMixedImage" ref="502551668"/>
+														</object>
+													</array>
+												</object>
+											</object>
+											<object class="NSMenuItem" id="908105787">
+												<reference key="NSMenu" ref="446991534"/>
+												<bool key="NSIsDisabled">YES</bool>
+												<bool key="NSIsSeparator">YES</bool>
+												<string key="NSTitle"/>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="644046920">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Show Ruler</string>
+												<string key="NSKeyEquiv"/>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="231811626">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Copy Ruler</string>
+												<string key="NSKeyEquiv">c</string>
+												<int key="NSKeyEquivModMask">1310720</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+											<object class="NSMenuItem" id="883618387">
+												<reference key="NSMenu" ref="446991534"/>
+												<string key="NSTitle">Paste Ruler</string>
+												<string key="NSKeyEquiv">v</string>
+												<int key="NSKeyEquivModMask">1310720</int>
+												<int key="NSMnemonicLoc">2147483647</int>
+												<reference key="NSOnImage" ref="35465992"/>
+												<reference key="NSMixedImage" ref="502551668"/>
+											</object>
+										</array>
+									</object>
+								</object>
+							</array>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="586577488">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">View</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="466310130">
+							<string key="NSTitle">View</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="102151532">
+									<reference key="NSMenu" ref="466310130"/>
+									<string key="NSTitle">Show Toolbar</string>
+									<string key="NSKeyEquiv">t</string>
+									<int key="NSKeyEquivModMask">1572864</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="237841660">
+									<reference key="NSMenu" ref="466310130"/>
+									<string key="NSTitle">Customize Toolbar…</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</array>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="713487014">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">Window</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSKeyEquivModMask">1048576</int>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="835318025">
+							<string key="NSTitle">Window</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="1011231497">
+									<reference key="NSMenu" ref="835318025"/>
+									<string key="NSTitle">Minimize</string>
+									<string key="NSKeyEquiv">m</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="575023229">
+									<reference key="NSMenu" ref="835318025"/>
+									<string key="NSTitle">Zoom</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="299356726">
+									<reference key="NSMenu" ref="835318025"/>
+									<bool key="NSIsDisabled">YES</bool>
+									<bool key="NSIsSeparator">YES</bool>
+									<string key="NSTitle"/>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+								<object class="NSMenuItem" id="625202149">
+									<reference key="NSMenu" ref="835318025"/>
+									<string key="NSTitle">Bring All to Front</string>
+									<string key="NSKeyEquiv"/>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</array>
+							<string key="NSName">_NSWindowsMenu</string>
+						</object>
+					</object>
+					<object class="NSMenuItem" id="448692316">
+						<reference key="NSMenu" ref="649796088"/>
+						<string key="NSTitle">Help</string>
+						<string key="NSKeyEquiv"/>
+						<int key="NSMnemonicLoc">2147483647</int>
+						<reference key="NSOnImage" ref="35465992"/>
+						<reference key="NSMixedImage" ref="502551668"/>
+						<string key="NSAction">submenuAction:</string>
+						<object class="NSMenu" key="NSSubmenu" id="992780483">
+							<string key="NSTitle">Help</string>
+							<array class="NSMutableArray" key="NSMenuItems">
+								<object class="NSMenuItem" id="105068016">
+									<reference key="NSMenu" ref="992780483"/>
+									<string key="NSTitle">AFNetworking-Mac-Example Help</string>
+									<string key="NSKeyEquiv">?</string>
+									<int key="NSKeyEquivModMask">1048576</int>
+									<int key="NSMnemonicLoc">2147483647</int>
+									<reference key="NSOnImage" ref="35465992"/>
+									<reference key="NSMixedImage" ref="502551668"/>
+								</object>
+							</array>
+							<string key="NSName">_NSHelpMenu</string>
+						</object>
+					</object>
+				</array>
+				<string key="NSName">_NSMainMenu</string>
+			</object>
+			<object class="NSWindowTemplate" id="972006081">
+				<int key="NSWindowStyleMask">15</int>
+				<int key="NSWindowBacking">2</int>
+				<string key="NSWindowRect">{{335, 390}, {480, 360}}</string>
+				<int key="NSWTFlags">1954021376</int>
+				<string key="NSWindowTitle">AFNetworking-Mac-Example</string>
+				<string key="NSWindowClass">NSWindow</string>
+				<nil key="NSViewClass"/>
+				<nil key="NSUserInterfaceItemIdentifier"/>
+				<object class="NSView" key="NSWindowView" id="439893737">
+					<nil key="NSNextResponder"/>
+					<int key="NSvFlags">256</int>
+					<string key="NSFrameSize">{480, 360}</string>
+				</object>
+				<string key="NSScreenRect">{{0, 0}, {1920, 1178}}</string>
+				<string key="NSMaxSize">{10000000000000, 10000000000000}</string>
+				<bool key="NSWindowIsRestorable">YES</bool>
+			</object>
+			<object class="NSCustomObject" id="976324537">
+				<string key="NSClassName">AppDelegate</string>
+			</object>
+			<object class="NSCustomObject" id="755631768">
+				<string key="NSClassName">NSFontManager</string>
+			</object>
+		</array>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<array class="NSMutableArray" key="connectionRecords">
+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">terminate:</string>
+						<reference key="source" ref="1050"/>
+						<reference key="destination" ref="632727374"/>
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+					<int key="connectionID">449</int>
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+						<string key="label">orderFrontStandardAboutPanel:</string>
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+					<int key="connectionID">495</int>
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+						<string key="label">performMiniaturize:</string>
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+					<int key="connectionID">37</int>
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+						<string key="label">arrangeInFront:</string>
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+					<int key="connectionID">39</int>
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+						<string key="label">print:</string>
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+						<reference key="destination" ref="49223823"/>
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+					<int key="connectionID">86</int>
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+						<string key="label">runPageLayout:</string>
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+					<int key="connectionID">87</int>
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+						<string key="label">clearRecentDocuments:</string>
+						<reference key="source" ref="1014"/>
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+					<int key="connectionID">127</int>
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+						<string key="label">performClose:</string>
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+					<int key="connectionID">193</int>
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+						<string key="label">toggleContinuousSpellChecking:</string>
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+					<int key="connectionID">222</int>
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+						<string key="label">undo:</string>
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+						<reference key="destination" ref="1058277027"/>
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+					<int key="connectionID">223</int>
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+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">copy:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="860595796"/>
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+					<int key="connectionID">224</int>
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+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">checkSpelling:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="96193923"/>
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+					<int key="connectionID">225</int>
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+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">paste:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="29853731"/>
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+					<int key="connectionID">226</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">stopSpeaking:</string>
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+						<reference key="destination" ref="680220178"/>
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+				<object class="IBConnectionRecord">
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+						<string key="label">cut:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="296257095"/>
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+				<object class="IBConnectionRecord">
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+						<string key="label">showGuessPanel:</string>
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+						<reference key="destination" ref="679648819"/>
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+				<object class="IBConnectionRecord">
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+						<string key="label">redo:</string>
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+						<reference key="destination" ref="790794224"/>
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+						<string key="label">selectAll:</string>
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+						<string key="label">startSpeaking:</string>
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+						<reference key="destination" ref="731782645"/>
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+				<object class="IBConnectionRecord">
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+						<string key="label">delete:</string>
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+						<reference key="destination" ref="437104165"/>
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+						<string key="label">performZoom:</string>
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+						<string key="label">performFindPanelAction:</string>
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+						<string key="label">centerSelectionInVisibleArea:</string>
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+				<object class="IBConnectionRecord">
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+						<string key="label">toggleGrammarChecking:</string>
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+						<string key="label">toggleSmartInsertDelete:</string>
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+						<string key="label">toggleAutomaticQuoteSubstitution:</string>
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+						<reference key="destination" ref="197661976"/>
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+						<string key="label">toggleAutomaticLinkDetection:</string>
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+						<string key="label">saveDocument:</string>
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+						<string key="label">revertDocumentToSaved:</string>
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+				<object class="IBConnectionRecord">
+					<object class="IBActionConnection" key="connection">
+						<string key="label">runToolbarCustomizationPalette:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="237841660"/>
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+						<string key="label">toggleToolbarShown:</string>
+						<reference key="source" ref="1014"/>
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+						<string key="label">hide:</string>
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+						<reference key="destination" ref="755159360"/>
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+						<string key="label">hideOtherApplications:</string>
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+						<string key="label">unhideAllApplications:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="908899353"/>
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+						<string key="label">newDocument:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="705341025"/>
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+						<string key="label">openDocument:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="722745758"/>
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+						<string key="label">raiseBaseline:</string>
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+						<string key="label">lowerBaseline:</string>
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+						<string key="label">copyFont:</string>
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+						<reference key="destination" ref="596732606"/>
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+						<string key="label">subscript:</string>
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+						<string key="label">superscript:</string>
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+						<string key="label">tightenKerning:</string>
+						<reference key="source" ref="1014"/>
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+						<string key="label">underline:</string>
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+						<reference key="destination" ref="330926929"/>
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+						<string key="label">orderFrontColorPanel:</string>
+						<reference key="source" ref="1014"/>
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+					<int key="connectionID">433</int>
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+				<object class="IBConnectionRecord">
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+						<string key="label">useAllLigatures:</string>
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+						<string key="label">loosenKerning:</string>
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+					<int key="connectionID">435</int>
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+						<string key="label">pasteFont:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="393423671"/>
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+						<string key="label">unscript:</string>
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+						<string key="label">useStandardKerning:</string>
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+						<string key="label">useStandardLigatures:</string>
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+					<object class="IBActionConnection" key="connection">
+						<string key="label">turnOffLigatures:</string>
+						<reference key="source" ref="1014"/>
+						<reference key="destination" ref="568384683"/>
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+						<string key="label">turnOffKerning:</string>
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+				<object class="IBConnectionRecord">
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+						<string key="label">toggleAutomaticSpellingCorrection:</string>
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+						<string key="label">orderFrontSubstitutionsPanel:</string>
+						<reference key="source" ref="1014"/>
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+						<string key="label">toggleAutomaticDashSubstitution:</string>
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+						<string key="label">toggleAutomaticTextReplacement:</string>
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+						<string key="label">uppercaseWord:</string>
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+						<string key="label">capitalizeWord:</string>
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+						<string key="label">lowercaseWord:</string>
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+						<string key="label">pasteAsPlainText:</string>
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+						<reference key="destination" ref="82994268"/>
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+					<int key="connectionID">486</int>
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+						<string key="label">performFindPanelAction:</string>
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+						<string key="label">showHelp:</string>
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+						<string key="label">alignCenter:</string>
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+						<string key="label">pasteRuler:</string>
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+						<string key="label">toggleRuler:</string>
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+						<string key="label">copyRuler:</string>
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+						<string key="label">makeBaseWritingDirectionNatural:</string>
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+						<string key="label">makeBaseWritingDirectionLeftToRight:</string>
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+						<string key="label">addFontTrait:</string>
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+						<string key="label">addFontTrait:</string>
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+						<string key="label">modifyFont:</string>
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+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDECapsuleListView</string>
+					<string key="superclassName">DVTStackView</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">dataSource</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">dataSource</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">dataSource</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDECapsuleListView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDMArrayController</string>
+					<string key="superclassName">NSArrayController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDMArrayController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDMEditor</string>
+					<string key="superclassName">IDEEditor</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="bottomToolbarBorderView">DVTBorderedView</string>
+						<string key="sourceListSplitViewPane">NSView</string>
+						<string key="sourceListViewController">IDEDMEditorSourceListController</string>
+						<string key="splitView">DVTSplitView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="bottomToolbarBorderView">
+							<string key="name">bottomToolbarBorderView</string>
+							<string key="candidateClassName">DVTBorderedView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="sourceListSplitViewPane">
+							<string key="name">sourceListSplitViewPane</string>
+							<string key="candidateClassName">NSView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="sourceListViewController">
+							<string key="name">sourceListViewController</string>
+							<string key="candidateClassName">IDEDMEditorSourceListController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="splitView">
+							<string key="name">splitView</string>
+							<string key="candidateClassName">DVTSplitView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDMEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDMEditorController</string>
+					<string key="superclassName">IDEViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDMEditorController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDMEditorSourceListController</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="borderedView">DVTBorderedView</string>
+						<string key="parentEditor">IDEDMEditor</string>
+						<string key="primaryColumn">DVTImageAndTextColumn</string>
+						<string key="sourceListOutlineView">DVTOutlineView</string>
+						<string key="sourceListTreeController">NSTreeController</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="borderedView">
+							<string key="name">borderedView</string>
+							<string key="candidateClassName">DVTBorderedView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDMEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="primaryColumn">
+							<string key="name">primaryColumn</string>
+							<string key="candidateClassName">DVTImageAndTextColumn</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="sourceListOutlineView">
+							<string key="name">sourceListOutlineView</string>
+							<string key="candidateClassName">DVTOutlineView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="sourceListTreeController">
+							<string key="name">sourceListTreeController</string>
+							<string key="candidateClassName">NSTreeController</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDMEditorSourceListController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDMHighlightImageAndTextCell</string>
+					<string key="superclassName">DVTImageAndTextCell</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDMHighlightImageAndTextCell.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelBrowserEditor</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="attributesTableViewController">IDEDataModelPropertiesTableController</string>
+						<string key="capsuleView">IDECapsuleListView</string>
+						<string key="entityArrayController">NSArrayController</string>
+						<string key="fetchedPropertiesTableViewController">IDEDataModelPropertiesTableController</string>
+						<string key="parentEditor">IDEDataModelEntityContentsEditor</string>
+						<string key="relationshipsTableViewController">IDEDataModelPropertiesTableController</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="attributesTableViewController">
+							<string key="name">attributesTableViewController</string>
+							<string key="candidateClassName">IDEDataModelPropertiesTableController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="capsuleView">
+							<string key="name">capsuleView</string>
+							<string key="candidateClassName">IDECapsuleListView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="entityArrayController">
+							<string key="name">entityArrayController</string>
+							<string key="candidateClassName">NSArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="fetchedPropertiesTableViewController">
+							<string key="name">fetchedPropertiesTableViewController</string>
+							<string key="candidateClassName">IDEDataModelPropertiesTableController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelEntityContentsEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="relationshipsTableViewController">
+							<string key="name">relationshipsTableViewController</string>
+							<string key="candidateClassName">IDEDataModelPropertiesTableController</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelBrowserEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelConfigurationEditor</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="capsuleListView">IDECapsuleListView</string>
+						<string key="parentEditor">IDEDataModelEditor</string>
+						<string key="tableController">IDEDataModelConfigurationTableController</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="capsuleListView">
+							<string key="name">capsuleListView</string>
+							<string key="candidateClassName">IDECapsuleListView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tableController">
+							<string key="name">tableController</string>
+							<string key="candidateClassName">IDEDataModelConfigurationTableController</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelConfigurationEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelConfigurationTableController</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="configurationsArrayController">NSArrayController</string>
+						<string key="entitiesArrayController">NSArrayController</string>
+						<string key="parentEditor">IDEDataModelConfigurationEditor</string>
+						<string key="tableView">XDTableView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="configurationsArrayController">
+							<string key="name">configurationsArrayController</string>
+							<string key="candidateClassName">NSArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="entitiesArrayController">
+							<string key="name">entitiesArrayController</string>
+							<string key="candidateClassName">NSArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelConfigurationEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tableView">
+							<string key="name">tableView</string>
+							<string key="candidateClassName">XDTableView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelConfigurationTableController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelDiagramEditor</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="diagramView">XDDiagramView</string>
+						<string key="parentEditor">IDEDataModelEntityContentsEditor</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="diagramView">
+							<string key="name">diagramView</string>
+							<string key="candidateClassName">XDDiagramView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelEntityContentsEditor</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelDiagramEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelEditor</string>
+					<string key="superclassName">IDEDMEditor</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="addEntityButton">DVTDelayedMenuButton</string>
+						<string key="addPropertyButton">DVTDelayedMenuButton</string>
+						<string key="browserDiagramSegmentControl">NSSegmentedControl</string>
+						<string key="configurationViewController">IDEDataModelConfigurationEditor</string>
+						<string key="entityContentsViewController">IDEDataModelEntityContentsEditor</string>
+						<string key="fetchRequestViewController">IDEDataModelFetchRequestEditor</string>
+						<string key="hierarchySegmentControl">NSSegmentedControl</string>
+						<string key="tabView">NSTabView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="addEntityButton">
+							<string key="name">addEntityButton</string>
+							<string key="candidateClassName">DVTDelayedMenuButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="addPropertyButton">
+							<string key="name">addPropertyButton</string>
+							<string key="candidateClassName">DVTDelayedMenuButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="browserDiagramSegmentControl">
+							<string key="name">browserDiagramSegmentControl</string>
+							<string key="candidateClassName">NSSegmentedControl</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="configurationViewController">
+							<string key="name">configurationViewController</string>
+							<string key="candidateClassName">IDEDataModelConfigurationEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="entityContentsViewController">
+							<string key="name">entityContentsViewController</string>
+							<string key="candidateClassName">IDEDataModelEntityContentsEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="fetchRequestViewController">
+							<string key="name">fetchRequestViewController</string>
+							<string key="candidateClassName">IDEDataModelFetchRequestEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="hierarchySegmentControl">
+							<string key="name">hierarchySegmentControl</string>
+							<string key="candidateClassName">NSSegmentedControl</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tabView">
+							<string key="name">tabView</string>
+							<string key="candidateClassName">NSTabView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelEntityContentsEditor</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="browserViewController">IDEDataModelBrowserEditor</string>
+						<string key="diagramViewController">IDEDataModelDiagramEditor</string>
+						<string key="parentEditor">IDEDataModelEditor</string>
+						<string key="tabView">NSTabView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="browserViewController">
+							<string key="name">browserViewController</string>
+							<string key="candidateClassName">IDEDataModelBrowserEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="diagramViewController">
+							<string key="name">diagramViewController</string>
+							<string key="candidateClassName">IDEDataModelDiagramEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tabView">
+							<string key="name">tabView</string>
+							<string key="candidateClassName">NSTabView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelEntityContentsEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelFetchRequestEditor</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="entityController">NSArrayController</string>
+						<string key="parentEditor">IDEDataModelEditor</string>
+						<string key="tableView">IDECapsuleListView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="entityController">
+							<string key="name">entityController</string>
+							<string key="candidateClassName">NSArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tableView">
+							<string key="name">tableView</string>
+							<string key="candidateClassName">IDECapsuleListView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelFetchRequestEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDataModelPropertiesTableController</string>
+					<string key="superclassName">IDEDMEditorController</string>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="arrayController">IDEDMArrayController</string>
+						<string key="entitiesColumn">NSTableColumn</string>
+						<string key="entityArrayController">NSArrayController</string>
+						<string key="parentEditor">IDEDataModelBrowserEditor</string>
+						<string key="propertyNameAndImageCell">IDEDMHighlightImageAndTextCell</string>
+						<string key="tableView">XDTableView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="arrayController">
+							<string key="name">arrayController</string>
+							<string key="candidateClassName">IDEDMArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="entitiesColumn">
+							<string key="name">entitiesColumn</string>
+							<string key="candidateClassName">NSTableColumn</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="entityArrayController">
+							<string key="name">entityArrayController</string>
+							<string key="candidateClassName">NSArrayController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="parentEditor">
+							<string key="name">parentEditor</string>
+							<string key="candidateClassName">IDEDataModelBrowserEditor</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="propertyNameAndImageCell">
+							<string key="name">propertyNameAndImageCell</string>
+							<string key="candidateClassName">IDEDMHighlightImageAndTextCell</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="tableView">
+							<string key="name">tableView</string>
+							<string key="candidateClassName">XDTableView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDataModelPropertiesTableController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDocSetOutlineView</string>
+					<string key="superclassName">NSOutlineView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDocSetOutlineView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDocSetOutlineViewController</string>
+					<string key="superclassName">NSObject</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="getDocSetAction:">id</string>
+						<string key="showProblemInfoForUpdate:">id</string>
+						<string key="subscribeToPublisherAction:">id</string>
+						<string key="unsubscribeFromPublisher:">id</string>
+						<string key="updateDocSetAction:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="getDocSetAction:">
+							<string key="name">getDocSetAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showProblemInfoForUpdate:">
+							<string key="name">showProblemInfoForUpdate:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="subscribeToPublisherAction:">
+							<string key="name">subscribeToPublisherAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="unsubscribeFromPublisher:">
+							<string key="name">unsubscribeFromPublisher:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="updateDocSetAction:">
+							<string key="name">updateDocSetAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">docSetOutlineView</string>
+						<string key="NS.object.0">IDEDocSetOutlineView</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">docSetOutlineView</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">docSetOutlineView</string>
+							<string key="candidateClassName">IDEDocSetOutlineView</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDocSetOutlineViewController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEDocViewingPrefPaneController</string>
+					<string key="superclassName">IDEViewController</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="addSubscription:">id</string>
+						<string key="checkForAndInstallUpdatesNow:">id</string>
+						<string key="minimumFontSizeComboBoxAction:">id</string>
+						<string key="minimumFontSizeEnabledAction:">id</string>
+						<string key="showHelp:">id</string>
+						<string key="showSubscriptionSheet:">id</string>
+						<string key="subscriptionCancelAction:">id</string>
+						<string key="toggleAutoCheckForAndInstallUpdates:">id</string>
+						<string key="toggleDocSetInfo:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="addSubscription:">
+							<string key="name">addSubscription:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="checkForAndInstallUpdatesNow:">
+							<string key="name">checkForAndInstallUpdatesNow:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="minimumFontSizeComboBoxAction:">
+							<string key="name">minimumFontSizeComboBoxAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="minimumFontSizeEnabledAction:">
+							<string key="name">minimumFontSizeEnabledAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showHelp:">
+							<string key="name">showHelp:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showSubscriptionSheet:">
+							<string key="name">showSubscriptionSheet:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="subscriptionCancelAction:">
+							<string key="name">subscriptionCancelAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleAutoCheckForAndInstallUpdates:">
+							<string key="name">toggleAutoCheckForAndInstallUpdates:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleDocSetInfo:">
+							<string key="name">toggleDocSetInfo:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="_addButton">DVTGradientImageButton</string>
+						<string key="_deleteButton">DVTGradientImageButton</string>
+						<string key="_showInfoAreaButton">DVTGradientImageButton</string>
+						<string key="_splitView">NSSplitView</string>
+						<string key="_splitViewDocSetInfoSubview">NSView</string>
+						<string key="_splitViewDocSetsListSubview">NSView</string>
+						<string key="borderedViewAroundSplitView">DVTBorderedView</string>
+						<string key="borderedViewBelowTable">DVTBorderedView</string>
+						<string key="checkAndInstallNowButton">NSButton</string>
+						<string key="docSetInfoTextView">NSTextView</string>
+						<string key="docSetOutlineViewController">IDEDocSetOutlineViewController</string>
+						<string key="minimumFontSizeControl">NSComboBox</string>
+						<string key="noUpdatesAvailableMessage">NSTextField</string>
+						<string key="showInfoButton">NSButton</string>
+						<string key="subscriptionTextField">NSTextField</string>
+						<string key="subscriptionWindow">NSWindow</string>
+						<string key="validateAddSubscriptionButton">NSButton</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="_addButton">
+							<string key="name">_addButton</string>
+							<string key="candidateClassName">DVTGradientImageButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="_deleteButton">
+							<string key="name">_deleteButton</string>
+							<string key="candidateClassName">DVTGradientImageButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="_showInfoAreaButton">
+							<string key="name">_showInfoAreaButton</string>
+							<string key="candidateClassName">DVTGradientImageButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="_splitView">
+							<string key="name">_splitView</string>
+							<string key="candidateClassName">NSSplitView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="_splitViewDocSetInfoSubview">
+							<string key="name">_splitViewDocSetInfoSubview</string>
+							<string key="candidateClassName">NSView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="_splitViewDocSetsListSubview">
+							<string key="name">_splitViewDocSetsListSubview</string>
+							<string key="candidateClassName">NSView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="borderedViewAroundSplitView">
+							<string key="name">borderedViewAroundSplitView</string>
+							<string key="candidateClassName">DVTBorderedView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="borderedViewBelowTable">
+							<string key="name">borderedViewBelowTable</string>
+							<string key="candidateClassName">DVTBorderedView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="checkAndInstallNowButton">
+							<string key="name">checkAndInstallNowButton</string>
+							<string key="candidateClassName">NSButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="docSetInfoTextView">
+							<string key="name">docSetInfoTextView</string>
+							<string key="candidateClassName">NSTextView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="docSetOutlineViewController">
+							<string key="name">docSetOutlineViewController</string>
+							<string key="candidateClassName">IDEDocSetOutlineViewController</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="minimumFontSizeControl">
+							<string key="name">minimumFontSizeControl</string>
+							<string key="candidateClassName">NSComboBox</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="noUpdatesAvailableMessage">
+							<string key="name">noUpdatesAvailableMessage</string>
+							<string key="candidateClassName">NSTextField</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="showInfoButton">
+							<string key="name">showInfoButton</string>
+							<string key="candidateClassName">NSButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="subscriptionTextField">
+							<string key="name">subscriptionTextField</string>
+							<string key="candidateClassName">NSTextField</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="subscriptionWindow">
+							<string key="name">subscriptionWindow</string>
+							<string key="candidateClassName">NSWindow</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="validateAddSubscriptionButton">
+							<string key="name">validateAddSubscriptionButton</string>
+							<string key="candidateClassName">NSButton</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEDocViewingPrefPaneController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEEditor</string>
+					<string key="superclassName">IDEViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEEditor.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IDEViewController</string>
+					<string key="superclassName">DVTViewController</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IDEViewController.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">IKImageView</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="copy:">id</string>
+						<string key="crop:">id</string>
+						<string key="cut:">id</string>
+						<string key="paste:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="copy:">
+							<string key="name">copy:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="crop:">
+							<string key="name">crop:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="cut:">
+							<string key="name">cut:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="paste:">
+							<string key="name">paste:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/IKImageView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSDocument</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="printDocument:">id</string>
+						<string key="revertDocumentToSaved:">id</string>
+						<string key="runPageLayout:">id</string>
+						<string key="saveDocument:">id</string>
+						<string key="saveDocumentAs:">id</string>
+						<string key="saveDocumentTo:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="printDocument:">
+							<string key="name">printDocument:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="revertDocumentToSaved:">
+							<string key="name">revertDocumentToSaved:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="runPageLayout:">
+							<string key="name">runPageLayout:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="saveDocument:">
+							<string key="name">saveDocument:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="saveDocumentAs:">
+							<string key="name">saveDocumentAs:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="saveDocumentTo:">
+							<string key="name">saveDocumentTo:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/NSDocument.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">QLPreviewBubble</string>
+					<string key="superclassName">NSObject</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="hide:">id</string>
+						<string key="show:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="hide:">
+							<string key="name">hide:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="show:">
+							<string key="name">show:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">parentWindow</string>
+						<string key="NS.object.0">NSWindow</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">parentWindow</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">parentWindow</string>
+							<string key="candidateClassName">NSWindow</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/QLPreviewBubble.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">QTMovieView</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="showAll:">id</string>
+						<string key="showCustomButton:">id</string>
+						<string key="toggleLoops:">id</string>
+						<string key="zoomIn:">id</string>
+						<string key="zoomOut:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="showAll:">
+							<string key="name">showAll:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="showCustomButton:">
+							<string key="name">showCustomButton:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleLoops:">
+							<string key="name">toggleLoops:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="zoomIn:">
+							<string key="name">zoomIn:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="zoomOut:">
+							<string key="name">zoomOut:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/QTMovieView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">WebView</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="reloadFromOrigin:">id</string>
+						<string key="resetPageZoom:">id</string>
+						<string key="zoomPageIn:">id</string>
+						<string key="zoomPageOut:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="reloadFromOrigin:">
+							<string key="name">reloadFromOrigin:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="resetPageZoom:">
+							<string key="name">resetPageZoom:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="zoomPageIn:">
+							<string key="name">zoomPageIn:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="zoomPageOut:">
+							<string key="name">zoomPageOut:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/WebView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">XDDiagramView</string>
+					<string key="superclassName">NSView</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="_graphLayouterMenuItemAction:">id</string>
+						<string key="_zoomPopUpButtonAction:">id</string>
+						<string key="alignBottomEdges:">id</string>
+						<string key="alignCentersHorizontallyInContainer:">id</string>
+						<string key="alignCentersVerticallyInContainer:">id</string>
+						<string key="alignHorizontalCenters:">id</string>
+						<string key="alignLeftEdges:">id</string>
+						<string key="alignRightEdges:">id</string>
+						<string key="alignTopEdges:">id</string>
+						<string key="alignVerticalCenters:">id</string>
+						<string key="bringToFront:">id</string>
+						<string key="collapseAllCompartments:">id</string>
+						<string key="copy:">id</string>
+						<string key="cut:">id</string>
+						<string key="delete:">id</string>
+						<string key="deleteBackward:">id</string>
+						<string key="deleteForward:">id</string>
+						<string key="deselectAll:">id</string>
+						<string key="diagramZoomIn:">id</string>
+						<string key="diagramZoomOut:">id</string>
+						<string key="expandAllCompartments:">id</string>
+						<string key="flipHorizontally:">id</string>
+						<string key="flipVertically:">id</string>
+						<string key="layoutGraphicsConcentrically:">id</string>
+						<string key="layoutGraphicsHierarchically:">id</string>
+						<string key="lock:">id</string>
+						<string key="makeSameHeight:">id</string>
+						<string key="makeSameWidth:">id</string>
+						<string key="moveDown:">id</string>
+						<string key="moveDownAndModifySelection:">id</string>
+						<string key="moveLeft:">id</string>
+						<string key="moveLeftAndModifySelection:">id</string>
+						<string key="moveRight:">id</string>
+						<string key="moveRightAndModifySelection:">id</string>
+						<string key="moveUp:">id</string>
+						<string key="moveUpAndModifySelection:">id</string>
+						<string key="paste:">id</string>
+						<string key="rollDownAllCompartments:">id</string>
+						<string key="rollUpAllCompartments:">id</string>
+						<string key="selectAll:">id</string>
+						<string key="sendToBack:">id</string>
+						<string key="sizeToFit:">id</string>
+						<string key="toggleGridShown:">id</string>
+						<string key="toggleHiddenGraphicsShown:">id</string>
+						<string key="togglePageBreaksShown:">id</string>
+						<string key="toggleRuler:">id</string>
+						<string key="toggleSnapsToGrid:">id</string>
+						<string key="unlock:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="_graphLayouterMenuItemAction:">
+							<string key="name">_graphLayouterMenuItemAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="_zoomPopUpButtonAction:">
+							<string key="name">_zoomPopUpButtonAction:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignBottomEdges:">
+							<string key="name">alignBottomEdges:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignCentersHorizontallyInContainer:">
+							<string key="name">alignCentersHorizontallyInContainer:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignCentersVerticallyInContainer:">
+							<string key="name">alignCentersVerticallyInContainer:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignHorizontalCenters:">
+							<string key="name">alignHorizontalCenters:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignLeftEdges:">
+							<string key="name">alignLeftEdges:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignRightEdges:">
+							<string key="name">alignRightEdges:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignTopEdges:">
+							<string key="name">alignTopEdges:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="alignVerticalCenters:">
+							<string key="name">alignVerticalCenters:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="bringToFront:">
+							<string key="name">bringToFront:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="collapseAllCompartments:">
+							<string key="name">collapseAllCompartments:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="copy:">
+							<string key="name">copy:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="cut:">
+							<string key="name">cut:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="delete:">
+							<string key="name">delete:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="deleteBackward:">
+							<string key="name">deleteBackward:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="deleteForward:">
+							<string key="name">deleteForward:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="deselectAll:">
+							<string key="name">deselectAll:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="diagramZoomIn:">
+							<string key="name">diagramZoomIn:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="diagramZoomOut:">
+							<string key="name">diagramZoomOut:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="expandAllCompartments:">
+							<string key="name">expandAllCompartments:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="flipHorizontally:">
+							<string key="name">flipHorizontally:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="flipVertically:">
+							<string key="name">flipVertically:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="layoutGraphicsConcentrically:">
+							<string key="name">layoutGraphicsConcentrically:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="layoutGraphicsHierarchically:">
+							<string key="name">layoutGraphicsHierarchically:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="lock:">
+							<string key="name">lock:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="makeSameHeight:">
+							<string key="name">makeSameHeight:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="makeSameWidth:">
+							<string key="name">makeSameWidth:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveDown:">
+							<string key="name">moveDown:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveDownAndModifySelection:">
+							<string key="name">moveDownAndModifySelection:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveLeft:">
+							<string key="name">moveLeft:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveLeftAndModifySelection:">
+							<string key="name">moveLeftAndModifySelection:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveRight:">
+							<string key="name">moveRight:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveRightAndModifySelection:">
+							<string key="name">moveRightAndModifySelection:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveUp:">
+							<string key="name">moveUp:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="moveUpAndModifySelection:">
+							<string key="name">moveUpAndModifySelection:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="paste:">
+							<string key="name">paste:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="rollDownAllCompartments:">
+							<string key="name">rollDownAllCompartments:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="rollUpAllCompartments:">
+							<string key="name">rollUpAllCompartments:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="selectAll:">
+							<string key="name">selectAll:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="sendToBack:">
+							<string key="name">sendToBack:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="sizeToFit:">
+							<string key="name">sizeToFit:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleGridShown:">
+							<string key="name">toggleGridShown:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleHiddenGraphicsShown:">
+							<string key="name">toggleHiddenGraphicsShown:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="togglePageBreaksShown:">
+							<string key="name">togglePageBreaksShown:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleRuler:">
+							<string key="name">toggleRuler:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="toggleSnapsToGrid:">
+							<string key="name">toggleSnapsToGrid:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="unlock:">
+							<string key="name">unlock:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">_diagramController</string>
+						<string key="NS.object.0">IDEDataModelDiagramEditor</string>
+					</object>
+					<object class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<string key="NS.key.0">_diagramController</string>
+						<object class="IBToOneOutletInfo" key="NS.object.0">
+							<string key="name">_diagramController</string>
+							<string key="candidateClassName">IDEDataModelDiagramEditor</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/XDDiagramView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">XDTableView</string>
+					<string key="superclassName">NSTableView</string>
+					<object class="NSMutableDictionary" key="actions">
+						<string key="NS.key.0">showAllTableColumns:</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="NSMutableDictionary" key="actionInfosByName">
+						<string key="NS.key.0">showAllTableColumns:</string>
+						<object class="IBActionInfo" key="NS.object.0">
+							<string key="name">showAllTableColumns:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/XDTableView.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">AppDelegate</string>
+					<string key="superclassName">NSObject</string>
+					<dictionary class="NSMutableDictionary" key="actions">
+						<string key="applicationShouldTerminate:">id</string>
+						<string key="applicationWillFinishLaunching:">id</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="actionInfosByName">
+						<object class="IBActionInfo" key="applicationShouldTerminate:">
+							<string key="name">applicationShouldTerminate:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+						<object class="IBActionInfo" key="applicationWillFinishLaunching:">
+							<string key="name">applicationWillFinishLaunching:</string>
+							<string key="candidateClassName">id</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/AppDelegate.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaFramework</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.macosx</string>
+			<integer value="1070" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
+		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<dictionary class="NSMutableDictionary" key="IBDocument.LastKnownImageSizes">
+			<string key="NSMenuCheckmark">{9, 8}</string>
+			<string key="NSMenuMixedState">{7, 2}</string>
+		</dictionary>
+		<bool key="IBDocument.UseAutolayout">YES</bool>
+	</data>
+</archive>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/iOS-Info.plist b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/iOS-Info.plist
new file mode 100644
index 0000000..38507a3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/iOS-Info.plist
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>AFNetworking</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIconFiles</key>
+	<array>
+		<string>Icon.png</string>
+		<string>Icon@2x.png</string>
+	</array>
+	<key>CFBundleIcons</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+			</array>
+			<key>UIPrerenderedIcon</key>
+			<true/>
+		</dict>
+	</dict>
+	<key>CFBundleIdentifier</key>
+	<string>com.alamofire.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIPrerenderedIcon</key>
+	<true/>
+	<key>UIStatusBarHidden</key>
+	<false/>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/main.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/main.m
new file mode 100644
index 0000000..44bc3d6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/Example/main.m
@@ -0,0 +1,37 @@
+// main.m
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+  #import <UIKit/UIKit.h>
+
+  int main(int argc, char *argv[]) {
+      @autoreleasepool {
+          int retVal = UIApplicationMain(argc, argv, @"UIApplication", @"AppDelegate");
+          return retVal;
+      }
+  }
+#else
+  #import <Cocoa/Cocoa.h>
+
+  int main(int argc, char *argv[]) {
+      return NSApplicationMain(argc, (const char **)argv);
+  }
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/LICENSE b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/LICENSE
new file mode 100644
index 0000000..42d32ad
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2011 Gowalla (http://gowalla.com/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/README.md b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/README.md
new file mode 100644
index 0000000..747c78d
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AFNetworking/README.md
@@ -0,0 +1,179 @@
+<img src="https://github.com/AFNetworking/AFNetworking/raw/gh-pages/afnetworking-logo.png" alt="AFNetworking" title="AFNetworking" style="display:block; margin: 10px auto 30px auto;" class="center">
+
+AFNetworking is a delightful networking library for iOS and Mac OS X. It's built on top of [NSURLConnection](http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSURLConnection_Class/Reference/Reference.html), [NSOperation](http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/NSOperation_class/Reference/Reference.html), and other familiar Foundation technologies. It has a modular architecture with well-designed, feature-rich APIs that are a joy to use. For example, here's how easy it is to get JSON from a URL:
+
+``` objective-c
+NSURL *url = [NSURL URLWithString:@"https://alpha-api.app.net/stream/0/posts/stream/global"];
+NSURLRequest *request = [NSURLRequest requestWithURL:url];
+AFJSONRequestOperation *operation = [AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON) {
+    NSLog(@"App.net Global Stream: %@", JSON);
+} failure:nil];
+[operation start];
+```
+
+Perhaps the most important feature of all, however, is the amazing community of developers who use and contribute to AFNetworking every day. AFNetworking powers some of the most popular and critically-acclaimed apps on the iPhone, iPad, and Mac. 
+
+Choose AFNetworking for your next project, or migrate over your existing projects—you'll be happy you did!
+
+## How To Get Started
+
+- [Download AFNetworking](https://github.com/AFNetworking/AFNetworking/zipball/master) and try out the included Mac and iPhone example apps
+- Read the ["Getting Started" guide](https://github.com/AFNetworking/AFNetworking/wiki/Getting-Started-with-AFNetworking), [FAQ](https://github.com/AFNetworking/AFNetworking/wiki/AFNetworking-FAQ), or [other articles in the wiki](https://github.com/AFNetworking/AFNetworking/wiki)
+- Check out the [complete documentation](http://afnetworking.github.com/AFNetworking/) for a comprehensive look at the APIs available in AFNetworking
+- Watch the [NSScreencast episode about AFNetworking](http://nsscreencast.com/episodes/6-afnetworking) for a quick introduction to how to use it in your application
+- Questions? [Stack Overflow](http://stackoverflow.com/questions/tagged/afnetworking) is the best place to find answers
+
+## Overview
+
+AFNetworking is architected to be as small and modular as possible, in order to make it simple to use and extend.
+
+<table>
+  <tr><th colspan="2" style="text-align:center;">Core</th></tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFURLConnectionOperation.html">AFURLConnectionOperation</a></td>
+    <td>An <tt>NSOperation</tt> that implements the <tt>NSURLConnection</tt> delegate methods.</td>
+  </tr>
+
+  <tr><th colspan="2" style="text-align:center;">HTTP Requests</th></tr>
+
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFHTTPRequestOperation.html">AFHTTPRequestOperation</a></td>
+    <td>A subclass of <tt>AFURLConnectionOperation</tt> for requests using the HTTP or HTTPS protocols. It encapsulates the concept of acceptable status codes and content types, which determine the success or failure of a request.</td>
+  </tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFJSONRequestOperation.html">AFJSONRequestOperation</a></td>
+    <td>A subclass of <tt>AFHTTPRequestOperation</tt> for downloading and working with JSON response data.</td>
+  </tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFXMLRequestOperation.html">AFXMLRequestOperation</a></td>
+    <td>A subclass of <tt>AFHTTPRequestOperation</tt> for downloading and working with XML response data.</td>
+  </tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFPropertyListRequestOperation.html">AFPropertyListRequestOperation</a></td>
+    <td>A subclass of <tt>AFHTTPRequestOperation</tt> for downloading and deserializing objects with <a href="http://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/PropertyLists/index.html">property list</a> response data.</td>
+  </tr>
+
+  <tr><th colspan="2" style="text-align:center;">HTTP Client</th></tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFHTTPClient.html">AFHTTPClient</a></td>
+    <td>
+      Captures the common patterns of communicating with an web application over HTTP, including:
+      
+      <ul>
+        <li>Making requests from relative paths of a base URL</li>
+        <li>Setting HTTP headers to be added automatically to requests</li>
+        <li>Authenticating requests with HTTP Basic credentials or an OAuth token</li>
+        <li>Managing an <tt>NSOperationQueue</tt> for requests made by the client</li>
+        <li>Generating query strings or HTTP bodies from an <tt>NSDictionary</tt></li>
+        <li>Constructing multipart form requests</li>
+        <li>Automatically parsing HTTP response data into its corresponding object representation</li>
+        <li>Monitoring and responding to changes in network reachability</li>
+      </ul>
+    </td>
+  </tr>
+
+  <tr><th colspan="2" style="text-align:center;">Images</th></tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Classes/AFImageRequestOperation.html">AFImageRequestOperation</a></td>
+    <td>A subclass of <tt>AFHTTPRequestOperation</tt> for downloading and processing images.</td>
+  </tr>
+  <tr>
+    <td><a href="http://afnetworking.github.com/AFNetworking/Categories/UIImageView+AFNetworking.html">UIImageView+AFNetworking</a></td>
+    <td>Adds methods to <tt>UIImageView</tt> for loading remote images asynchronously from a URL.</td>
+  </tr>
+</table>
+
+## Example Usage
+
+### XML Request
+
+``` objective-c
+NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://api.flickr.com/services/rest/?method=flickr.groups.browse&api_key=b6300e17ad3c506e706cb0072175d047&cat_id=34427469792%40N01&format=rest"]];
+AFXMLRequestOperation *operation = [AFXMLRequestOperation XMLParserRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, NSXMLParser *XMLParser) {
+  XMLParser.delegate = self;
+  [XMLParser parse];
+} failure:nil];
+[operation start];
+```
+
+### Image Request
+
+``` objective-c
+UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 100.0f, 100.0f)];
+[imageView setImageWithURL:[NSURL URLWithString:@"http://i.imgur.com/r4uwx.jpg"] placeholderImage:[UIImage imageNamed:@"placeholder-avatar"]];
+```
+
+### API Client Request
+
+``` objective-c
+// AFAppDotNetAPIClient is a subclass of AFHTTPClient, which defines the base URL and default HTTP headers for NSURLRequests it creates
+[[AFAppDotNetAPIClient sharedClient] getPath:@"stream/0/posts/stream/global" parameters:nil success:^(AFHTTPRequestOperation *operation, id JSON) {
+    NSLog(@"App.net Global Stream: %@", JSON);
+} failure:nil];
+```
+
+### File Upload with Progress Callback
+
+``` objective-c
+NSURL *url = [NSURL URLWithString:@"http://api-base-url.com"];
+AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL:url];
+NSData *imageData = UIImageJPEGRepresentation([UIImage imageNamed:@"avatar.jpg"], 0.5);
+NSMutableURLRequest *request = [httpClient multipartFormRequestWithMethod:@"POST" path:@"/upload" parameters:nil constructingBodyWithBlock: ^(id <AFMultipartFormData>formData) {
+    [formData appendPartWithFileData:imageData name:@"avatar" fileName:@"avatar.jpg" mimeType:@"image/jpeg"];
+}];
+
+AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
+[operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {
+    NSLog(@"Sent %lld of %lld bytes", totalBytesWritten, totalBytesExpectedToWrite);
+}];
+[operation start];
+```
+
+### Streaming Request
+
+``` objective-c
+NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://localhost:8080/encode"]];
+
+AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
+operation.inputStream = [NSInputStream inputStreamWithFileAtPath:[[NSBundle mainBundle] pathForResource:@"large-image" ofType:@"tiff"]];
+operation.outputStream = [NSOutputStream outputStreamToMemory];
+[operation start];
+```
+
+## Requirements
+
+AFNetworking 1.0 and higher requires either [iOS 5.0](http://developer.apple.com/library/ios/#releasenotes/General/WhatsNewIniPhoneOS/Articles/iPhoneOS4.html) and above, or [Mac OS 10.7](http://developer.apple.com/library/mac/#releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_6.html#//apple_ref/doc/uid/TP40008898-SW7) ([64-bit with modern Cocoa runtime](https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtVersionsPlatforms.html)) and above.
+
+For compatibility with iOS 4.3, use the latest 0.10.x release.
+
+### ARC
+
+AFNetworking uses ARC as of its 1.0 release.
+
+If you are using AFNetworking 1.0 in your non-arc project, you will need to set a `-fobjc-arc` compiler flag on all of the AFNetworking source files. Conversely, if you are adding a pre-1.0 version of AFNetworking, you will need to set a `-fno-objc-arc` compiler flag.
+
+To set a compiler flag in Xcode, go to your active target and select the "Build Phases" tab. Now select all AFNetworking source files, press Enter, insert `-fobjc-arc` or `-fno-objc-arc` and then "Done" to enable or disable ARC for AFNetworking.
+
+## Credits
+
+AFNetworking was created by [Scott Raymond](https://github.com/sco/) and [Mattt Thompson](https://github.com/mattt/) in the development of [Gowalla for iPhone](http://en.wikipedia.org/wiki/Gowalla).
+
+AFNetworking's logo was designed by [Alan Defibaugh](http://www.alandefibaugh.com/).
+
+And most of all, thanks to AFNetworking's [growing list of contributors](https://github.com/AFNetworking/AFNetworking/contributors).
+
+## Contact
+
+Follow AFNetworking on Twitter ([@AFNetworking](https://twitter.com/AFNetworking))
+
+### Creators
+
+[Mattt Thompson](http://github.com/mattt)  
+[@mattt](https://twitter.com/mattt)
+
+[Scott Raymond](http://github.com/sco)  
+[@sco](https://twitter.com/sco)
+
+## License
+
+AFNetworking is available under the MIT license. See the LICENSE file for more info.
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.h
new file mode 100644
index 0000000..e21cfa0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.h
@@ -0,0 +1,34 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import <SenTestingKit/SenTestingKit.h>
+
+@interface AsyncSenTestCase : SenTestCase
+/** @note All the waitFor… methods run the current runloop while waiting to let other threads and operations to continue running **/
+-(void)waitForAsyncOperationWithTimeout:(NSTimeInterval)timeout; //!< Wait for one async operation
+-(void)waitForAsyncOperations:(NSUInteger)count withTimeout:(NSTimeInterval)timeout; //!< Wait for multiple async operations
+-(void)waitForTimeout:(NSTimeInterval)timeout; //!< Wait for a fixed amount of time
+-(void)notifyAsyncOperationDone; //!< notify any waiter that the async op is done
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.m
new file mode 100644
index 0000000..45d0159
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/AsyncSenTestCase.m
@@ -0,0 +1,82 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import "AsyncSenTestCase.h"
+
+@interface AsyncSenTestCase()
+@property(atomic, assign) NSUInteger asyncTestCaseSignaledCount;
+@end
+
+static const NSTimeInterval kRunLoopSamplingInterval = 0.01;
+
+
+
+@implementation AsyncSenTestCase
+
+@synthesize asyncTestCaseSignaledCount = _asyncTestCaseSignaledCount;
+
+-(void)waitForAsyncOperationWithTimeout:(NSTimeInterval)timeout
+{
+    [self waitForAsyncOperations:1 withTimeout:timeout];
+}
+
+-(void)waitForAsyncOperations:(NSUInteger)count withTimeout:(NSTimeInterval)timeout
+{
+    NSDate* timeoutDate = [NSDate dateWithTimeIntervalSinceNow:timeout];
+    while ((self.asyncTestCaseSignaledCount < count) && ([timeoutDate timeIntervalSinceNow]>0))
+    {
+        CFRunLoopRunInMode(kCFRunLoopDefaultMode, kRunLoopSamplingInterval, YES);
+    }
+    
+    // Reset the counter for next time, in case we call this method again later
+    // (don't reset it at the beginning of the method because we should be able to call
+    // notifyAsyncOperationDone *before* this method if we wanted to)
+    self.asyncTestCaseSignaledCount = 0;
+    
+    if ([timeoutDate timeIntervalSinceNow]<0)
+    {
+        // now is after timeoutDate, we timed out
+        STFail(@"Timed out while waiting for Async Operations to finish.");
+    }
+}
+
+-(void)waitForTimeout:(NSTimeInterval)timeout
+{
+    NSDate* waitEndDate = [NSDate dateWithTimeIntervalSinceNow:timeout];
+    while ([waitEndDate timeIntervalSinceNow]>0)
+    {
+        CFRunLoopRunInMode(kCFRunLoopDefaultMode, kRunLoopSamplingInterval, YES);
+    }
+}
+
+-(void)notifyAsyncOperationDone
+{
+    @synchronized(self)
+    {
+        self.asyncTestCaseSignaledCount = self.asyncTestCaseSignaledCount+1;
+    }
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/AFNetworkingTests.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/AFNetworkingTests.m
new file mode 100644
index 0000000..b296645
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/AFNetworkingTests.m	
@@ -0,0 +1,61 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import "AsyncSenTestCase.h"
+#import "AFHTTPRequestOperation.h"
+#import "OHHTTPStubs.h"
+
+@interface AFNetworkingTests : AsyncSenTestCase @end
+
+@implementation AFNetworkingTests
+
+-(void)test_AFHTTPRequestOperation
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSData* expectedResponse = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:expectedResponse statusCode:200 responseTime:kResponseTime headers:nil];
+    }];
+    
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    AFHTTPRequestOperation* op = [[[AFHTTPRequestOperation alloc] initWithRequest:req] autorelease];
+    __block id response = nil;
+    [op setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
+        response = [[responseObject retain] autorelease];
+        [self notifyAsyncOperationDone];
+    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
+        STFail(@"Unexpected network failure");
+        [self notifyAsyncOperationDone];
+    }];
+    [op start];
+    
+    [self waitForAsyncOperationWithTimeout:kResponseTime+0.5];
+    
+    STAssertEqualObjects(response, expectedResponse, @"Unexpected data received");
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionDelegateTests.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionDelegateTests.m
new file mode 100644
index 0000000..789e939
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionDelegateTests.m	
@@ -0,0 +1,228 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import "AsyncSenTestCase.h"
+#import "OHHTTPStubs.h"
+
+@interface NSURLConnectionDelegateTests : AsyncSenTestCase <NSURLConnectionDataDelegate> @end
+
+static const NSTimeInterval kResponseTimeTolerence = 0.2;
+
+@implementation NSURLConnectionDelegateTests
+{
+    NSMutableData* _data;
+    NSError* _error;
+}
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark Global Setup + NSURLConnectionDelegate implementation
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)setUp
+{
+    [super setUp];
+    _data = [[NSMutableData alloc] init];
+}
+
+-(void)tearDown
+{
+    [_data release];
+    // in case the test timed out and finished before a running NSURLConnection ended,
+    // we may continue receive delegate messages anyway if we forgot to cancel.
+    // So avoid sending messages to deallocated object in this case by ensuring we reset it to nil
+    _data = nil;
+    [_error release];
+    _error = nil;
+    [super tearDown];
+}
+
+-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
+{
+    [_data setLength:0U];
+}
+
+-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
+{
+    [_data appendData:data];
+}
+
+-(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
+{
+    _error = [error retain];
+    [self notifyAsyncOperationDone];
+}
+
+-(void)connectionDidFinishLoading:(NSURLConnection *)connection
+{
+    [self notifyAsyncOperationDone];
+}
+
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark NSURLConnection + Delegate
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSURLConnectionDelegate_success
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSData* testData = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:testData
+                                          statusCode:200
+                                        responseTime:kResponseTime
+                                             headers:nil];
+    }];
+        
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSDate* startDate = [NSDate date];
+    
+    NSURLConnection* cxn = [NSURLConnection connectionWithRequest:req delegate:self];
+    
+    [self waitForAsyncOperationWithTimeout:kResponseTime+kResponseTimeTolerence];
+    
+    STAssertEqualObjects(_data, testData, @"Invalid data response");
+    STAssertNil(_error, @"Received unexpected network error %@", _error);
+    STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+    
+    // in case we timed out before the end of the request (test failed), cancel the request to avoid further delegate method calls
+    [cxn cancel];
+}
+
+-(void)test_NSURLConnectionDelegate_error
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSError* expectedError = [NSError errorWithDomain:NSURLErrorDomain code:404 userInfo:nil];
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        OHHTTPStubsResponse* resp = [OHHTTPStubsResponse responseWithError:expectedError];
+        resp.responseTime = kResponseTime;
+        return resp;
+    }];
+    
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSDate* startDate = [NSDate date];
+    
+    NSURLConnection* cxn = [NSURLConnection connectionWithRequest:req delegate:self];
+    
+    [self waitForAsyncOperationWithTimeout:kResponseTime+kResponseTimeTolerence];
+    
+    STAssertEquals(_data.length, 0U, @"Received unexpected network data %@", _data);
+    STAssertEqualObjects(_error.domain, expectedError.domain, @"Invalid error response domain");
+    STAssertEquals(_error.code, expectedError.code, @"Invalid error response code");
+    STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+    
+    // in case we timed out before the end of the request (test failed), cancel the request to avoid further delegate method calls
+    [cxn cancel];
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark Cancelling requests
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSURLConnection_cancel
+{
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:[@"<this data should never have time to arrive>" dataUsingEncoding:NSUTF8StringEncoding]
+                                          statusCode:500
+                                        responseTime:1.5
+                                             headers:nil];
+    }];
+    
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSURLConnection* cxn = [NSURLConnection connectionWithRequest:req delegate:self];
+    
+    [self waitForTimeout:0.5];
+    [cxn cancel];
+    [self waitForTimeout:1.5];
+    
+    STAssertEquals(_data.length, 0U, @"Received unexpected data but the request should have been cancelled");
+    STAssertNil(_error, @"Received unexpected network error but the request should have been cancelled");
+    
+    // in case we timed out before the end of the request (test failed), cancel the request to avoid further delegate method calls
+    [cxn cancel];
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark Cancelling requests
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSURLConnection_cookies
+{
+    NSString* const cookieName = @"SESSIONID";
+    NSString* const cookieValue = [[NSProcessInfo processInfo] globallyUniqueString];
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        NSString* cookie = [NSString stringWithFormat:@"%@=%@;", cookieName, cookieValue];
+        NSDictionary* headers = [NSDictionary dictionaryWithObject:cookie forKey:@"Set-Cookie"];
+        return [OHHTTPStubsResponse responseWithData:[@"Yummy cookies" dataUsingEncoding:NSUTF8StringEncoding]
+                                          statusCode:200
+                                        responseTime:0
+                                             headers:headers];
+    }];
+    
+    // Set the cookie accept policy to accept all cookies from the main document domain
+    // (especially in case the previous policy was "NSHTTPCookieAcceptPolicyNever")
+    NSHTTPCookieStorage* cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+    NSHTTPCookieAcceptPolicy previousAcceptPolicy = [cookieStorage cookieAcceptPolicy]; // keep it to restore later
+    [cookieStorage setCookieAcceptPolicy:NSHTTPCookieAcceptPolicyOnlyFromMainDocumentDomain];
+    
+    // Send the request and wait for the response containing the Set-Cookie headers
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSURLConnection* cxn = [NSURLConnection connectionWithRequest:req delegate:self];
+    [self waitForAsyncOperationWithTimeout:kResponseTimeTolerence];
+    [cxn cancel]; // In case we timed out (test failed), cancel the request to avoid further delegate method calls
+    
+    
+    /* Check that the cookie has been properly stored */
+    NSArray* cookies = [cookieStorage cookiesForURL:req.URL];
+    BOOL cookieFound = NO;
+    for (NSHTTPCookie* cookie in cookies)
+    {
+        if ([cookie.name isEqualToString:cookieName])
+        {
+            cookieFound = YES;
+            STAssertEqualObjects(cookie.value, cookieValue, @"The cookie does not have the expected value");
+        }
+    }
+    STAssertTrue(cookieFound, @"The cookie was not stored as expected");
+    
+
+    // As a courtesy, restore previous policy before leaving
+    [cookieStorage setCookieAcceptPolicy:previousAcceptPolicy];
+
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionTests.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionTests.m
new file mode 100644
index 0000000..5574ac0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/NSURLConnectionTests.m	
@@ -0,0 +1,173 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import "AsyncSenTestCase.h"
+#import "OHHTTPStubs.h"
+
+@interface NSURLConnectionTests : AsyncSenTestCase @end
+
+static const NSTimeInterval kResponseTimeTolerence = 0.2;
+
+@implementation NSURLConnectionTests
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark [NSURLConnection sendSynchronousRequest:returningResponse:error:]
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSURLConnection_sendSyncronousRequest_mainQueue
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSData* testData = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:testData
+                                          statusCode:200
+                                        responseTime:kResponseTime
+                                             headers:nil];
+    }];
+        
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSDate* startDate = [NSDate date];
+    
+    NSData* data = [NSURLConnection sendSynchronousRequest:req returningResponse:NULL error:NULL];
+    
+    STAssertEqualObjects(data, testData, @"Invalid data response");
+    STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+}
+
+-(void)test_NSURLConnection_sendSyncronousRequest_parallelQueue
+{
+    [[[[NSOperationQueue alloc] init] autorelease] addOperationWithBlock:^{
+        [self test_NSURLConnection_sendSyncronousRequest_mainQueue];
+        [self notifyAsyncOperationDone];
+    }];
+    [self waitForAsyncOperationWithTimeout:3.0];
+}
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark Single [NSURLConnection sendAsynchronousRequest:queue:completionHandler:]
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)_test_NSURLConnection_sendAsyncronousRequest_onOperationQueue:(NSOperationQueue*)queue
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSData* testData = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:testData
+                                          statusCode:200
+                                        responseTime:kResponseTime
+                                             headers:nil];
+    }];
+    
+    
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    NSDate* startDate = [NSDate date];
+    
+    [NSURLConnection sendAsynchronousRequest:req queue:queue completionHandler:^(NSURLResponse* resp, NSData* data, NSError* error)
+     {
+         STAssertEqualObjects(data, testData, @"Invalid data response");
+         STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+         
+         [self notifyAsyncOperationDone];
+     }];
+    
+    [self waitForAsyncOperationWithTimeout:kResponseTime+kResponseTimeTolerence];
+}
+
+
+-(void)test_NSURLConnection_sendAsyncronousRequest_mainQueue
+{
+    [self _test_NSURLConnection_sendAsyncronousRequest_onOperationQueue:[NSOperationQueue mainQueue]];
+}
+
+
+-(void)test_NSURLConnection_sendAsyncronousRequest_parallelQueue
+{
+    [self _test_NSURLConnection_sendAsyncronousRequest_onOperationQueue:[[[NSOperationQueue alloc] init] autorelease]];
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark Multiple Parallel [NSURLConnection sendAsynchronousRequest:queue:completionHandler:]
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)_test_NSURLConnection_sendMultipleAsyncronousRequestsOnOperationQueue:(NSOperationQueue*)queue
+{
+    NSData* (^dataForRequest)(NSURLRequest*) = ^(NSURLRequest* req) {
+        return [[NSString stringWithFormat:@"<Response for URL %@>",req.URL.absoluteString] dataUsingEncoding:NSUTF8StringEncoding];
+    };
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        NSData* retData = dataForRequest(request);
+        NSTimeInterval responseTime = [request.URL.lastPathComponent doubleValue];
+        return [OHHTTPStubsResponse responseWithData:retData
+                                          statusCode:200
+                                        responseTime:responseTime
+                                             headers:nil];
+    }];
+    
+    // Reusable code to send a request that will respond in the given response time
+    void (^sendAsyncRequest)(NSTimeInterval) = ^(NSTimeInterval responseTime)
+    {
+        NSString* urlString = [NSString stringWithFormat:@"http://dummyrequest/concurrent/time/%f",responseTime];
+        NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
+        [SenTestLog testLogWithFormat:@"== Sending request %@\n", req];
+        NSDate* startDate = [NSDate date];
+        [NSURLConnection sendAsynchronousRequest:req queue:queue completionHandler:^(NSURLResponse* resp, NSData* data, NSError* error)
+         {
+             [SenTestLog testLogWithFormat:@"== Received response for request %@\n", req];
+             STAssertEqualObjects(data, dataForRequest(req), @"Invalid data response");
+             STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], responseTime, kResponseTimeTolerence, @"Invalid response time");
+             
+             [self notifyAsyncOperationDone];
+         }];
+    };
+
+    sendAsyncRequest(1.5); // send this one first, should receive last
+    sendAsyncRequest(1.0); // send this one next, shoud receive 2nd
+    sendAsyncRequest(0.5); // send this one last, should receive first
+
+    [self waitForAsyncOperations:3 withTimeout:2.0]; // time out after 4s because the requests should run concurrently and all should be done in ~1.5s
+}
+
+-(void)test_NSURLConnection_sendMultipleAsyncronousRequests_mainQueue
+{
+    [self _test_NSURLConnection_sendMultipleAsyncronousRequestsOnOperationQueue:[NSOperationQueue mainQueue]];
+}
+
+-(void)test_NSURLConnection_sendMultipleAsyncronousRequests_parallelQueue
+{
+    [self _test_NSURLConnection_sendMultipleAsyncronousRequestsOnOperationQueue:[[[NSOperationQueue alloc] init] autorelease]];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/WithContentsOfURLTests.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/WithContentsOfURLTests.m
new file mode 100644
index 0000000..6c282f0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/Test Suites/WithContentsOfURLTests.m	
@@ -0,0 +1,110 @@
+/***********************************************************************************
+ *
+ * Copyright (c) 2012 Olivier Halligon
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ ***********************************************************************************/
+
+
+#import "AsyncSenTestCase.h"
+#import "OHHTTPStubs.h"
+
+@interface WithContentsOfURLTests : AsyncSenTestCase @end
+
+static const NSTimeInterval kResponseTimeTolerence = 0.2;
+
+@implementation WithContentsOfURLTests
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark [NSString stringWithContentsOfURL:encoding:error:]
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSString_stringWithContentsOfURL_mainQueue
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSString* testString = NSStringFromSelector(_cmd);
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:[testString dataUsingEncoding:NSUTF8StringEncoding]
+                                          statusCode:200
+                                        responseTime:kResponseTime
+                                             headers:nil];
+    }];
+    
+    NSDate* startDate = [NSDate date];
+    
+    NSString* string = [NSString stringWithContentsOfURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]
+                                            encoding:NSUTF8StringEncoding
+                                               error:NULL];
+    
+    STAssertEqualObjects(string, testString, @"Invalid returned string");
+    STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+}
+
+-(void)test_NSString_stringWithContentsOfURL_parallelQueue
+{
+    [[[[NSOperationQueue alloc] init] autorelease] addOperationWithBlock:^{
+        [self test_NSString_stringWithContentsOfURL_mainQueue];
+        [self notifyAsyncOperationDone];
+    }];
+    [self waitForAsyncOperationWithTimeout:3.0];
+}
+
+///////////////////////////////////////////////////////////////////////////////////
+#pragma mark [NSData dataWithContentsOfURL:]
+///////////////////////////////////////////////////////////////////////////////////
+
+-(void)test_NSData_dataWithContentsOfURL_mainQueue
+{
+    static const NSTimeInterval kResponseTime = 1.0;
+    NSData* testData = [NSStringFromSelector(_cmd) dataUsingEncoding:NSUTF8StringEncoding];
+    
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        return YES;
+    } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+        return [OHHTTPStubsResponse responseWithData:testData
+                                          statusCode:200
+                                        responseTime:kResponseTime
+                                             headers:nil];
+    }];
+    
+    NSDate* startDate = [NSDate date];
+    
+    NSData* data = [NSData dataWithContentsOfURL:[NSURL URLWithString:@"http://www.iana.org/domains/example/"]];
+    
+    STAssertEqualObjects(data, testData, @"Invalid returned string");
+    STAssertEqualsWithAccuracy(-[startDate timeIntervalSinceNow], kResponseTime, kResponseTimeTolerence, @"Invalid response time");
+}
+
+-(void)test_NSData_dataWithContentsOfURL_parallelQueue
+{
+    [[[[NSOperationQueue alloc] init] autorelease] addOperationWithBlock:^{
+        [self test_NSData_dataWithContentsOfURL_mainQueue];
+        [self notifyAsyncOperationDone];
+    }];
+    [self waitForAsyncOperationWithTimeout:3.0];
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Info.plist b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Info.plist
new file mode 100644
index 0000000..e2305ec
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Info.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.alisoftware.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Prefix.pch
new file mode 100644
index 0000000..a0a31a6
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubs/UnitTests/UnitTests-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'OHHTTPStubs Unit Tests' target in the 'OHHTTPStubs Unit Tests' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/contents.xcworkspacedata b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..77edd1a
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "container:OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "container:OHHTTPStubs/OHHTTPStubs.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
new file mode 100644
index 0000000..08de0be
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded</key>
+	<false/>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/Default-568h@2x.png b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/Default-568h@2x.png
new file mode 100644
index 0000000..0891b7a
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/Default-568h@2x.png differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.h b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.h
new file mode 100644
index 0000000..32b2ae4
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.h
@@ -0,0 +1,24 @@
+//
+//  MainViewController.h
+//  OHHTTPStubsDemo
+//
+//  Created by Olivier Halligon on 11/08/12.
+//  Copyright (c) 2012 AliSoftware. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface MainViewController : UIViewController
+- (IBAction)toggleStubs:(UISwitch*)sender;
+- (IBAction)downloadText:(UIButton*)sender;
+- (IBAction)installTextStub:(UISwitch*)sender;
+- (IBAction)downloadImage:(UIButton*)sender;
+- (IBAction)installImageStub:(UISwitch*)sender;
+- (IBAction)clearResults;
+
+@property (retain, nonatomic) IBOutlet UISwitch *delaySwitch;
+@property (retain, nonatomic) IBOutlet UITextView *textView;
+@property (retain, nonatomic) IBOutlet UISwitch *installTextStubSwitch;
+@property (retain, nonatomic) IBOutlet UIImageView *imageView;
+@property (retain, nonatomic) IBOutlet UISwitch *installImageStubSwitch;
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.m
new file mode 100644
index 0000000..db55f58
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.m
@@ -0,0 +1,171 @@
+//
+//  MainViewController.m
+//  OHHTTPStubsDemo
+//
+//  Created by Olivier Halligon on 11/08/12.
+//  Copyright (c) 2012 AliSoftware. All rights reserved.
+//
+
+#import "MainViewController.h"
+#import <OHHTTPStubs/OHHTTPStubs.h>
+
+
+@implementation MainViewController
+// IBOutlets
+@synthesize delaySwitch = _delaySwitch;
+@synthesize textView = _textView;
+@synthesize installTextStubSwitch = _installTextStubSwitch;
+@synthesize installImageStubSwitch = _installImageStubSwitch;
+@synthesize imageView = _imageView;
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Init & Dealloc
+
+- (void)dealloc
+{
+#if ! __has_feature(objc_arc)
+    [_textView release];
+    [_imageView release];
+    [_delaySwitch release];
+    [_installTextStubSwitch release];
+    [_installImageStubSwitch release];
+    [super dealloc];
+#endif
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+    
+    [self installTextStub:self.installTextStubSwitch];
+    [self installImageStub:self.installImageStubSwitch];
+}
+- (void)viewDidUnload
+{
+    [self setTextView:nil];
+    [self setImageView:nil];
+    [self setDelaySwitch:nil];
+    [super viewDidUnload];
+}
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Global stubs activation
+
+- (IBAction)toggleStubs:(UISwitch *)sender
+{
+    [OHHTTPStubs setEnabled:sender.on];
+    self.delaySwitch.enabled = sender.on;
+    self.installTextStubSwitch.enabled = sender.on;
+    self.installImageStubSwitch.enabled = sender.on;
+}
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Text Download and Stub
+
+
+- (IBAction)downloadText:(UIButton*)sender
+{
+    sender.enabled = NO;
+
+    NSString* urlString = @"http://www.loremipsum.de/downloads/version3.txt";
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
+    
+    // This is a very handy way to send an asynchronous method, but only available in iOS5+
+    [NSURLConnection sendAsynchronousRequest:req
+                                       queue:[NSOperationQueue mainQueue]
+                           completionHandler:^(NSURLResponse* resp, NSData* data, NSError* error)
+     {
+         sender.enabled = YES;
+         NSString* receivedText = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
+         self.textView.text = receivedText;
+#if ! __has_feature(objc_arc)
+         [receivedText release];
+#endif
+     }];
+}
+
+
+
+
+- (IBAction)installTextStub:(UISwitch *)sender
+{
+    static id textHandler = nil; // Note: no need to retain this value, it is retained by the OHHTTPStubs itself already :)
+    
+    if (sender.on)
+    {
+        // Install
+        textHandler = [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+            // This handler will only configure stub requests for "*.txt" files
+            return [request.URL.absoluteString.pathExtension isEqualToString:@"txt"];
+        } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+            // Stub txt files with this
+            return [OHHTTPStubsResponse responseWithFile:@"stub.txt"
+                                             contentType:@"text/plain"
+                                            responseTime:self.delaySwitch.on ? 2.f: 0.f];
+        }];
+    }
+    else
+    {
+        // Uninstall
+        [OHHTTPStubs removeRequestHandler:textHandler];
+    }
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Image Download and Stub
+
+- (IBAction)downloadImage:(UIButton*)sender
+{
+    sender.enabled = NO;
+    
+    NSString* urlString = @"http://images.apple.com/iphone/ios/images/ios_business_2x.jpg";
+    NSURLRequest* req = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]];
+    
+    // This is a very handy way to send an asynchronous method, but only available in iOS5+
+    [NSURLConnection sendAsynchronousRequest:req
+                                       queue:[NSOperationQueue mainQueue]
+                           completionHandler:^(NSURLResponse* resp, NSData* data, NSError* error)
+     {
+         sender.enabled = YES;
+         self.imageView.image = [UIImage imageWithData:data];
+     }];
+}
+
+- (IBAction)installImageStub:(UISwitch *)sender
+{
+    static id imageHandler = nil; // Note: no need to retain this value, it is retained by the OHHTTPStubs itself already :)
+    if (sender.on)
+    {
+        // Install
+        imageHandler = [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+            // This handler will only configure stub requests for "*.jpg" files
+            return [request.URL.absoluteString.pathExtension isEqualToString:@"jpg"];
+        } withStubResponse:^OHHTTPStubsResponse *(NSURLRequest *request) {
+            // Stub jpg files with this
+            return [OHHTTPStubsResponse responseWithFile:@"stub.jpg"
+                                             contentType:@"image/jpeg"
+                                            responseTime:self.delaySwitch.on ? 2.f: 0.f];
+        }];
+    }
+    else
+    {
+        // Uninstall
+        [OHHTTPStubs removeRequestHandler:imageHandler];
+    }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+#pragma mark - Cleaning
+
+- (IBAction)clearResults
+{
+    self.textView.text = @"";
+    self.imageView.image = nil;
+}
+
+@end
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.xib b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.xib
new file mode 100644
index 0000000..ffc1b69
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/MainViewController.xib
@@ -0,0 +1,725 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
+	<data>
+		<int key="IBDocument.SystemTarget">1296</int>
+		<string key="IBDocument.SystemVersion">11E53</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2549</string>
+		<string key="IBDocument.AppKitVersion">1138.47</string>
+		<string key="IBDocument.HIToolboxVersion">569.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">1498</string>
+		</object>
+		<array key="IBDocument.IntegratedClassDependencies">
+			<string>IBProxyObject</string>
+			<string>IBUIButton</string>
+			<string>IBUIImageView</string>
+			<string>IBUILabel</string>
+			<string>IBUISwitch</string>
+			<string>IBUITextView</string>
+			<string>IBUIView</string>
+			<string>IBUIViewController</string>
+			<string>IBUIWindow</string>
+		</array>
+		<array key="IBDocument.PluginDependencies">
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</array>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+			<integer value="1" key="NS.object.0"/>
+		</object>
+		<array class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<object class="IBProxyObject" id="372490531">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBProxyObject" id="975951072">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+			</object>
+			<object class="IBUIWindow" id="274827769">
+				<reference key="NSNextResponder"/>
+				<int key="NSvFlags">292</int>
+				<string key="NSFrameSize">{320, 480}</string>
+				<reference key="NSSuperview"/>
+				<string key="NSReuseIdentifierKey">_NS:9</string>
+				<object class="NSColor" key="IBUIBackgroundColor" id="956122546">
+					<int key="NSColorSpace">1</int>
+					<bytes key="NSRGB">MSAxIDEAA</bytes>
+				</object>
+				<bool key="IBUIOpaque">NO</bool>
+				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+				<bool key="IBUIVisibleAtLaunch">YES</bool>
+				<bool key="IBUIResizesToFullScreen">YES</bool>
+			</object>
+			<object class="IBUIViewController" id="264210514">
+				<object class="IBUIView" key="IBUIView" id="191373211">
+					<reference key="NSNextResponder"/>
+					<int key="NSvFlags">274</int>
+					<array class="NSMutableArray" key="NSSubviews">
+						<object class="IBUIButton" id="33517639">
+							<reference key="NSNextResponder" ref="191373211"/>
+							<int key="NSvFlags">292</int>
+							<string key="NSFrame">{{20, 110}, {176, 37}}</string>
+							<reference key="NSSuperview" ref="191373211"/>
+							<reference key="NSWindow"/>
+							<reference key="NSNextKeyView" ref="256487978"/>
+							<string key="NSReuseIdentifierKey">_NS:9</string>
+							<bool key="IBUIOpaque">NO</bool>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							<int key="IBUIContentHorizontalAlignment">0</int>
+							<int key="IBUIContentVerticalAlignment">0</int>
+							<int key="IBUIButtonType">1</int>
+							<string key="IBUIDisabledTitle">Downloading…</string>
+							<string key="IBUINormalTitle">Download some text</string>
+							<object class="NSColor" key="IBUIHighlightedTitleColor" id="730109619">
+								<int key="NSColorSpace">3</int>
+								<bytes key="NSWhite">MQA</bytes>
+							</object>
+							<object class="NSColor" key="IBUIDisabledTitleColor" id="252948466">
+								<int key="NSColorSpace">3</int>
+								<bytes key="NSWhite">MC42NjY2NjY2NjY3AA</bytes>
+							</object>
+							<object class="NSColor" key="IBUINormalTitleColor">
+								<int key="NSColorSpace">1</int>
+								<bytes key="NSRGB">MC4xOTYwNzg0MzQ2IDAuMzA5ODAzOTMyOSAwLjUyMTU2ODY1NgA</bytes>
+							</object>
+							<object class="NSColor" key="IBUINormalTitleShadowColor" id="1010867727">
+								<int key="NSColorSpace">3</int>
+								<bytes key="NSWhite">MC41AA</bytes>
+							</object>
+							<object class="IBUIFontDescription" key="IBUIFontDescription" id="201183604">
+								<int key="type">2</int>
+								<double key="pointSize">15</double>
+							</object>
+							<object class="NSFont" key="IBUIFont" id="955733942">
+								<string key="NSName">Helvetica-Bold</string>
+								<double key="NSSize">15</double>
+								<int key="NSfFlags">16</int>
+							</object>
+						</object>
+						<object class="IBUISwitch" id="855492565">
+							<reference key="NSNextResponder" ref="191373211"/>
+							<int key="NSvFlags">292</int>
+							<string key="NSFrame">{{206, 17}, {94, 27}}</string>
+							<reference key="NSSuperview" ref="191373211"/>
+							<reference key="NSWindow"/>
+							<reference key="NSNextKeyView" ref="672668238"/>
+							<string key="NSReuseIdentifierKey">_NS:9</string>
+							<bool key="IBUIOpaque">NO</bool>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							<int key="IBUIContentHorizontalAlignment">0</int>
+							<int key="IBUIContentVerticalAlignment">0</int>
+							<bool key="IBUIOn">YES</bool>
+						</object>
+						<object class="IBUITextView" id="470940424">
+							<reference key="NSNextResponder" ref="191373211"/>
+							<int key="NSvFlags">292</int>
+							<string key="NSFrame">{{20, 155}, {280, 92}}</string>
+							<reference key="NSSuperview" ref="191373211"/>
+							<reference key="NSWindow"/>
+							<reference key="NSNextKeyView" ref="972190539"/>
+							<string key="NSReuseIdentifierKey">_NS:9</string>
+							<reference key="IBUIBackgroundColor" ref="956122546"/>
+							<bool key="IBUIClipsSubviews">YES</bool>
+							<bool key="IBUIMultipleTouchEnabled">YES</bool>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							<bool key="IBUIEditable">NO</bool>
+							<string key="IBUIText"/>
+							<object class="IBUITextInputTraits" key="IBUITextInputTraits">
+								<int key="IBUIAutocapitalizationType">2</int>
+								<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							</object>
+							<object class="IBUIFontDescription" key="IBUIFontDescription">
+								<int key="type">1</int>
+								<double key="pointSize">14</double>
+							</object>
+							<object class="NSFont" key="IBUIFont">
+								<string key="NSName">Helvetica</string>
+								<double key="NSSize">14</double>
+								<int key="NSfFlags">16</int>
+							</object>
+						</object>
+						<object class="IBUILabel" id="132004535">
+							<reference key="NSNextResponder" ref="191373211"/>
+							<int key="NSvFlags">292</int>
+							<string key="NSFrame">{{20, 20}, {177, 21}}</string>
+							<reference key="NSSuperview" ref="191373211"/>
+							<reference key="NSWindow"/>
+							<reference key="NSNextKeyView" ref="855492565"/>
+							<string key="NSReuseIdentifierKey">_NS:9</string>
+							<bool key="IBUIOpaque">NO</bool>
+							<bool key="IBUIClipsSubviews">YES</bool>
+							<int key="IBUIContentMode">7</int>
+							<bool key="IBUIUserInteractionEnabled">NO</bool>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							<string key="IBUIText">Activate Stubs Globally</string>
+							<object class="NSColor" key="IBUITextColor" id="532830748">
+								<int key="NSColorSpace">1</int>
+								<bytes key="NSRGB">MCAwIDAAA</bytes>
+							</object>
+							<nil key="IBUIHighlightedColor"/>
+							<int key="IBUIBaselineAdjustment">0</int>
+							<float key="IBUIMinimumFontSize">10</float>
+							<object class="IBUIFontDescription" key="IBUIFontDescription" id="402469275">
+								<int key="type">1</int>
+								<double key="pointSize">17</double>
+							</object>
+							<object class="NSFont" key="IBUIFont" id="644845447">
+								<string key="NSName">Helvetica</string>
+								<double key="NSSize">17</double>
+								<int key="NSfFlags">16</int>
+							</object>
+						</object>
+						<object class="IBUIButton" id="972190539">
+							<reference key="NSNextResponder" ref="191373211"/>
+							<int key="NSvFlags">292</int>
+							<string key="NSFrame">{{20, 255}, {176, 37}}</string>
+							<reference key="NSSuperview" ref="191373211"/>
+							<reference key="NSWindow"/>
+							<reference key="NSNextKeyView" ref="752920139"/>
+							<string key="NSReuseIdentifierKey">_NS:9</string>
+							<bool key="IBUIOpaque">NO</bool>
+							<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
+							<int key="IBUIContentHorizontalAlignment">0</int>
+							<int key="IBUIContentVerticalAlignment">0</int>
+							<int key="IBUIButtonType">1</int>
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+							<string key="IBUINormalTitle">Download image</string>
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+						<object class="IBActionInfo" key="toggleStubs:">
+							<string key="name">toggleStubs:</string>
+							<string key="candidateClassName">UISwitch</string>
+						</object>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="outlets">
+						<string key="delaySwitch">UISwitch</string>
+						<string key="imageView">UIImageView</string>
+						<string key="installImageStubButton">UIButton</string>
+						<string key="installImageStubSwitch">UISwitch</string>
+						<string key="installTextStubButton">UIButton</string>
+						<string key="installTextStubSwitch">UISwitch</string>
+						<string key="textView">UITextView</string>
+					</dictionary>
+					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
+						<object class="IBToOneOutletInfo" key="delaySwitch">
+							<string key="name">delaySwitch</string>
+							<string key="candidateClassName">UISwitch</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="imageView">
+							<string key="name">imageView</string>
+							<string key="candidateClassName">UIImageView</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="installImageStubButton">
+							<string key="name">installImageStubButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="installImageStubSwitch">
+							<string key="name">installImageStubSwitch</string>
+							<string key="candidateClassName">UISwitch</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="installTextStubButton">
+							<string key="name">installTextStubButton</string>
+							<string key="candidateClassName">UIButton</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="installTextStubSwitch">
+							<string key="name">installTextStubSwitch</string>
+							<string key="candidateClassName">UISwitch</string>
+						</object>
+						<object class="IBToOneOutletInfo" key="textView">
+							<string key="name">textView</string>
+							<string key="candidateClassName">UITextView</string>
+						</object>
+					</dictionary>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">./Classes/MainViewController.h</string>
+					</object>
+				</object>
+			</array>
+		</object>
+		<int key="IBDocument.localizationMode">0</int>
+		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
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diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Info.plist b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Info.plist
new file mode 100644
index 0000000..ad8db4e
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Info.plist
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.alisoftware.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>NSMainNibFile</key>
+	<string>MainViewController</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Prefix.pch b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Prefix.pch
new file mode 100644
index 0000000..20ef719
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo-Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'OHHTTPStubsDemo' target in the 'OHHTTPStubsDemo' project
+//
+
+#import <Availability.h>
+
+#ifndef __IPHONE_3_0
+#warning "This project uses features only available in iOS SDK 3.0 and later."
+#endif
+
+#ifdef __OBJC__
+    #import <UIKit/UIKit.h>
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/project.pbxproj b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..9a2d5c0
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/project.pbxproj
@@ -0,0 +1,282 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
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+		098FBDF915D70E2600623941 /* stub.txt in Resources */ = {isa = PBXBuildFile; fileRef = 098FBDF715D70E2600623941 /* stub.txt */; };
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+/* End PBXBuildFile section */
+
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+/* End PBXFileReference section */
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+/* Begin PBXFrameworksBuildPhase section */
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+				098FBDD415D704E800623941 /* UIKit.framework in Frameworks */,
+				098FBDD615D704E800623941 /* Foundation.framework in Frameworks */,
+				098FBDD815D704E800623941 /* CoreGraphics.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		098FBDC415D704E800623941 = {
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+				099C7342169016D800239880 /* Default-568h@2x.png */,
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+				098FBDD215D704E800623941 /* Frameworks */,
+				098FBDD015D704E800623941 /* Products */,
+			);
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+			isa = PBXGroup;
+			children = (
+				098FBDCF15D704E800623941 /* OHHTTPStubsDemo.app */,
+			);
+			name = Products;
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+		098FBDD215D704E800623941 /* Frameworks */ = {
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+			children = (
+				098FBDD315D704E800623941 /* UIKit.framework */,
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+			);
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+			sourceTree = "<group>";
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+			isa = PBXGroup;
+			children = (
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+				098FBDEB15D7056200623941 /* MainViewController.m */,
+				098FBDEC15D7056200623941 /* MainViewController.xib */,
+				098FBDFA15D70E2F00623941 /* Stubs */,
+				098FBDDA15D704E800623941 /* Supporting Files */,
+			);
+			name = OHHTTPStubsDemo;
+			sourceTree = "<group>";
+		};
+		098FBDDA15D704E800623941 /* Supporting Files */ = {
+			isa = PBXGroup;
+			children = (
+				098FBDDB15D704E800623941 /* OHHTTPStubsDemo-Info.plist */,
+				098FBDDF15D704E800623941 /* main.m */,
+				098FBDE115D704E800623941 /* OHHTTPStubsDemo-Prefix.pch */,
+			);
+			name = "Supporting Files";
+			sourceTree = "<group>";
+		};
+		098FBDFA15D70E2F00623941 /* Stubs */ = {
+			isa = PBXGroup;
+			children = (
+				097935A1161B654E006DB5D5 /* libOHHTTPStubs.a */,
+				098FBDF615D70E2600623941 /* stub.jpg */,
+				098FBDF715D70E2600623941 /* stub.txt */,
+			);
+			name = Stubs;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		098FBDCE15D704E800623941 /* OHHTTPStubsDemo */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 098FBDE715D704E800623941 /* Build configuration list for PBXNativeTarget "OHHTTPStubsDemo" */;
+			buildPhases = (
+				098FBDCB15D704E800623941 /* Sources */,
+				098FBDCC15D704E800623941 /* Frameworks */,
+				098FBDCD15D704E800623941 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = OHHTTPStubsDemo;
+			productName = OHHTTPStubsDemo;
+			productReference = 098FBDCF15D704E800623941 /* OHHTTPStubsDemo.app */;
+			productType = "com.apple.product-type.application";
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+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		098FBDC615D704E800623941 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0440;
+				ORGANIZATIONNAME = AliSoftware;
+			};
+			buildConfigurationList = 098FBDC915D704E800623941 /* Build configuration list for PBXProject "OHHTTPStubsDemo" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 098FBDC415D704E800623941;
+			productRefGroup = 098FBDD015D704E800623941 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				098FBDCE15D704E800623941 /* OHHTTPStubsDemo */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		098FBDCD15D704E800623941 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				098FBDEE15D7056200623941 /* MainViewController.xib in Resources */,
+				098FBDF815D70E2600623941 /* stub.jpg in Resources */,
+				098FBDF915D70E2600623941 /* stub.txt in Resources */,
+				099C7343169016D800239880 /* Default-568h@2x.png in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		098FBDCB15D704E800623941 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				098FBDE015D704E800623941 /* main.m in Sources */,
+				098FBDED15D7056200623941 /* MainViewController.m in Sources */,
+			);
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+/* End PBXSourcesBuildPhase section */
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+/* Begin XCBuildConfiguration section */
+		098FBDE515D704E800623941 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				SDKROOT = iphoneos;
+			};
+			name = Debug;
+		};
+		098FBDE615D704E800623941 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
+				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
+				SDKROOT = iphoneos;
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		098FBDE815D704E800623941 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OHHTTPStubsDemo-Prefix.pch";
+				INFOPLIST_FILE = "OHHTTPStubsDemo-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Debug;
+		};
+		098FBDE915D704E800623941 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "OHHTTPStubsDemo-Prefix.pch";
+				INFOPLIST_FILE = "OHHTTPStubsDemo-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 4.3;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		098FBDC915D704E800623941 /* Build configuration list for PBXProject "OHHTTPStubsDemo" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				098FBDE515D704E800623941 /* Debug */,
+				098FBDE615D704E800623941 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		098FBDE715D704E800623941 /* Build configuration list for PBXNativeTarget "OHHTTPStubsDemo" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				098FBDE815D704E800623941 /* Debug */,
+				098FBDE915D704E800623941 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 098FBDC615D704E800623941 /* Project object */;
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/xcshareddata/xcschemes/OHHTTPStubsDemo.xcscheme b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/xcshareddata/xcschemes/OHHTTPStubsDemo.xcscheme
new file mode 100644
index 0000000..825b44c
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/OHHTTPStubsDemo.xcodeproj/xcshareddata/xcschemes/OHHTTPStubsDemo.xcscheme
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0450"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "NO"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "098FBDCE15D704E800623941"
+               BuildableName = "OHHTTPStubsDemo.app"
+               BlueprintName = "OHHTTPStubsDemo"
+               ReferencedContainer = "container:OHHTTPStubsDemo.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "098368CD168FC7920082B1A4"
+               BuildableName = "UnitTests.octest"
+               BlueprintName = "UnitTests"
+               ReferencedContainer = "container:../OHHTTPStubs/OHHTTPStubs.xcodeproj">
+            </BuildableReference>
+            <SkippedTests>
+               <Test
+                  Identifier = "AsyncSenTestCase">
+               </Test>
+            </SkippedTests>
+         </TestableReference>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "098FBDCE15D704E800623941"
+            BuildableName = "OHHTTPStubsDemo.app"
+            BlueprintName = "OHHTTPStubsDemo"
+            ReferencedContainer = "container:OHHTTPStubsDemo.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "098FBDCE15D704E800623941"
+            BuildableName = "OHHTTPStubsDemo.app"
+            BlueprintName = "OHHTTPStubsDemo"
+            ReferencedContainer = "container:OHHTTPStubsDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "098FBDCE15D704E800623941"
+            BuildableName = "OHHTTPStubsDemo.app"
+            BlueprintName = "OHHTTPStubsDemo"
+            ReferencedContainer = "container:OHHTTPStubsDemo.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/main.m b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/main.m
new file mode 100644
index 0000000..478bfb3
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/main.m
@@ -0,0 +1,17 @@
+//
+//  main.m
+//  OHHTTPStubsDemo
+//
+//  Created by Olivier Halligon on 11/08/12.
+//  Copyright (c) 2012 AliSoftware. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+int main(int argc, char *argv[])
+{
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, nil);
+    }
+}
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.jpg b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.jpg
new file mode 100644
index 0000000..c42a21c
Binary files /dev/null and b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.jpg differ
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.txt b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.txt
new file mode 100644
index 0000000..dc67174
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/OHHTTPStubsDemo/stub.txt
@@ -0,0 +1 @@
+This is the text from your stub.
\ No newline at end of file
diff --git a/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/README.md b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/README.md
new file mode 100644
index 0000000..f1663dd
--- /dev/null
+++ b/Vendor/facebook-ios-sdk/vendor/OHHTTPStubs/README.md
@@ -0,0 +1,277 @@
+OHHTTPStubs
+===========
+
+A class to stub network requests easily: test your apps with fake network data (stubbed from file) and custom response time
+
+* [Basic Usage](#basic-usage)
+* [The `OHHTTPStubsResponse` object](#the-ohhttpstubsresponse-object)
+* [Advanced Usage](#advanced-usage)
+ * [Return a response depending on the request](#return-a-response-depending-on-the-request)
+ * [Using download speed instead of responseTime](#using-download-speed-instead-of-responsetime)
+ * [Return quickly when `onlyCheck=YES`](#return-quickly-when-onlycheckyes)
+ * [Stack multiple requestHandlers](#stack-multiple-requesthandlers)
+* [Complete Examples](#complete-examples)
+* [Installing in your projects](#installing-in-your-projects)
+* [About OHHTTPStubs Unit Tests](#about-ohhttpstubs-unit-tests)
+* [Change Log](#change-log)
+* [License and Credits](#license-and-credits)
+
+----
+
+## Basic Usage
+
+This is aimed to be very simple to use. It uses block to intercept outgoing requests and allow you to
+return data from a file instead.
+
+##### This is the most simple way to use it:
+
+    [OHHTTPStubs addRequestHandler:^OHHTTPStubsResponse*(NSURLRequest *request, BOOL onlyCheck) {
+        return [OHHTTPStubsResponse responseWithFile:@"response.json" contentType:@"text/json" responseTime:2.0];
+    }];
+     
+This will return the `NSData` corresponding to the content of the `"response.json"` file (that must be in your bundle)
+with a `"Content-Type"` header of `"text/json"` in the HTTP response, after 2 seconds.
+
+##### We can also conditionally stub only certain requests, like this:
+
+    [OHHTTPStubs shouldStubRequestsPassingTest:^BOOL(NSURLRequest *request) {
+        // Only stub requests to "*.json" files
+        return [request.URL.absoluteString.lastPathComponent.pathExtension isEqualToString:@"json"];
+    } withStubResponse:^OHHTTPStubsResponse*(NSURLRequest *request) {
+        // Stub it with our "response.json" stub file
+        return [OHHTTPStubsResponse responseWithFile:@"response.json" contentType:@"text/json" responseTime:2.0];
+    }];
+
+##### Then each time a network request is done by your application
+
+For every request sent, whatever the framework used (`NSURLConnection`,
+[`AFNetworking`](https://github.com/AFNetworking/AFNetworking/), or anything else):
+
+* If you used `shouldStubRequestsPassingTest:withStubResponse:`
+  * The block passed as first argument will be called to check if we need to stub this request.
+  * If this block returned YES, the block passed as second argument will be called to let you return an `OHHTTPStubsResponse` object, describing the fake response to return.
+* If you used `addRequestHandler:`
+  * If you return a non-nil `OHHTTPStubsResponse`, the request will be stubbed by returning the corresponding fake response.
+  * If your return `nil`, the normal request will be sent (no stubbing).
+
+_(See also "[Return quickly when `onlyCheck=YES`](#return-quickly-when-onlycheckyes)" below)_
+
+
+## The `OHHTTPStubsResponse` object
+
+The `OHHTTPStubsResponse` class, describing the fake response to return, exposes multiple initializers:
+
+##### The designed intializer
+    +(id)responseWithData:(NSData*)data
+               statusCode:(int)statusCode
+             responseTime:(NSTimeInterval)responseTime
+                  headers:(NSDictionary*)httpHeaders;
+
+##### Commodity initializer to load data from a file in your bundle
+    +(id)responseWithFile:(NSString*)fileName
+               statusCode:(int)statusCode
+             responseTime:(NSTimeInterval)responseTime
+                  headers:(NSDictionary*)httpHeaders;
+
+##### Useful short-form initializer to load data from a file in your bundle, using the specified "Content-Type" header
+    +(id)responseWithFile:(NSString*)fileName
+              contentType:(NSString*)contentType
+             responseTime:(NSTimeInterval)responseTime;
+             
+##### To respond with an error instead of a success
+    +(id)responseWithError:(NSError*)error;
+_(e.g. you could use an error like `[NSError errorWithDomain:NSURLErrorDomain code:404 userInfo:nil]`)_
+
+
+## Advanced Usage
+
+### Return a response depending on the request
+
+Of course, and that's the main reason this is implemented with blocks,
+you can do whatever you need in the block implementation. This includes
+checking the request URL to see if you want to return a stub or not,
+and pick the right file according to the requested URL.
+
+You can use either `addRequestHandler:` or `shouldStubRequestsPassingTest:withStubResponse:` to install a stubbed request.
+[See below](#return-quickly-when-onlycheckyes).
+
+Example:
+
+    [OHHTTPStubs addRequestHandler:^OHHTTPStubsResponse*(NSURLRequest *request, BOOL onlyCheck)
+     {
+       NSString* basename = request.URL.absoluteString.lastPathComponent;
+       if ([basename.pathExtension isEqualToString:@"json"]) {
+         return [OHHTTPStubsResponse responseWithFile:basename contentType:@"text/json" responseTime:2.0];
+       } else {
+         return nil; // Don't stub
+       }
+     }];
+
+
+### Using download speed instead of responseTime
+
+When building the `OHHTTPStubsResponse` object, you can specify a response time (in seconds) so
+that the sending of the fake response will be postponed. This allows you to simulate a slow network for example.
+
+If you specify a negative value for the responseTime parameter, instead of being interpreted as
+a time in seconds, it will be interpreted as a download speed in KBytes/s.
+In that case, the response time will be computed using the size of the response's data to simulate
+the indicated download speed.
+
+The `OHHTTPStubsResponse` header defines some constants for standard download speeds:
+* `OHHTTPStubsDownloadSpeedGPRS`   :    56 kbps (7 KB/s)
+* `OHHTTPStubsDownloadSpeedEDGE`   :   128 kbps (16 KB/s)
+* `OHHTTPStubsDownloadSpeed3G`     :  3200 kbps (400 KB/s)
+* `OHHTTPStubsDownloadSpeed3GPlus` :  7200 kbps (900 KB/s)
+* `OHHTTPStubsDownloadSpeedWifi`   : 12000 kbps (1500 KB/s)
+
+### Return quickly when `onlyCheck=YES`
+
+When using `addRequestHandler:`, if the `onlyCheck` parameter of the requestHandler block is `YES`, then it means that the handler is called
+   only to check if you will be able to return a stubbed response or if it has to do the standard request.
+In this scenario, the response will not actually be used but will only be compared to `nil` to check if it has to be stubbed later.
+   _The handler will be called later again (with `onlyCheck=NO`) to fetch the actual `OHHTTPStubsResponse` object._
+   
+So in such cases (`onlyCheck==YES`), you can simply return `nil` if you don't want to provide a stubbed response,
+   and **_any_ non-nil value** to indicate that you will provide a stubbed response later.
+
+This may be useful if you intend to do some not-so-fast work to build your real `OHHTTPStubsResponse`
+  (like reading some large file for example): in that case you can quickly return a dummy value when `onlyCheck==YES`
+  without the burden of building the actual `OHHTTPStubsResponse` object.
+You will obviously return the real `OHHTTPStubsResponse` in the later call when `onlyCheck==NO`.
+
+_There is a macro `OHHTTPStubsResponseUseStub` provided in the header that you can use as a dummy return value for that purpose._
+
+---
+
+To avoid forgetting about quickly return if the handler is called only for checking the availability of a stub, you may
+prefer using the `shouldStubRequestsPassingTest:withStubResponse:` class method, which uses two distinct blocks: one to
+only quickly check that the request should be stubbed, and the other to build and return the actual stubbed response.
+
+Example:
+
+    [OHHTTPStubs shouldStubRequestPassingTest:^BOOL(NSURLRequest *request) {
+        NSString* basename = request.URL.absoluteString.lastPathComponent;
+        return [basename.pathExtension isEqualToString:@"json"]; // only stub requests for "*.json" files
+    } withStubResponse:^OHHTTPStubsResponse* (NSURLRequest* request))handler {
+        // This block will only be called if the previous one has returned YES (so only for "*.json" files)
+        NSString* basename = request.URL.absoluteString.lastPathComponent;
+        return [OHHTTPStubsResponse responseWithFile:basename contentType:@"text/json" responseTime:2.0];
+    }];
+
+> Note: in practice, this method calls `addResponseHandler:`, and pass it a new block that:
+> * calls the first block to check if we need to stub, and
+> * directly return `OHHTTPStubsResponseUseStub` or `OHHTTPStubsResponseDontUseStub` if `onlyCheck=YES`
+> * or call the second block to return the actual stub only if `onlyCheck=NO`.
+
+_Note that even if you want to stub all your requests unconditionally, it is still better to
+use `shouldStubRequestsPassingTest:withStubResponse:` with the first block always returning `YES`,
+because it will prevent building the whole stubbed response multiple times (once or more when only checking,
+and one final time when actually returning it)._
+
+
+### Stack multiple requestHandlers
+
+You can call `addRequestHandler:` or `shouldStubRequestsPassingTest:withStubResponse:` multiple times.
+It will just add the response handlers in an internal list of handlers.
+
+When a network request is performed by the system, the response handlers are called in the reverse
+  order that they have been added, the last added handler having priority over the first added ones.
+  The first handler that returns a stub (non-nil response for `addRequestHandler:`,
+  or first block returning YES for `shouldStubRequestsPassingTest:withStubResponse:`) is then used to reply to the request.
+
+_This may be useful to install different stubs in different classes (say different UIViewControllers)
+and various places in your application, or to separate different stubs and stubbing conditions
+(like some stubs for images and other stubs for JSON files) more easily.
+See the `OHHTTPStubsDemo` project for a typical example._
+
+You can remove the latest added handler with the `removeLastRequestHandler` method.
+
+You can also remove any given handler with the `removeRequestHandler:` method.
+This method takes as a parameter the object returned by `addRequestHandler:` or `shouldStubRequestsPassingTest:withStubResponse:`.
+_Note that this returned object is already retained by `OHHTTPStubs` while the stub is installed,
+so you may keep it in a `__weak` variable (no need to keep a `__strong` reference)._
+
+
+
+## Complete examples
+
+Here is another example code below that uses the various techniques explained above.
+For a complete Xcode projet, see the `OHHTTPStubsDemo.xcworkspace` project in the repository.
+
+
+    NSArray* stubs = [NSArray arrayWithObjects:@"file1", @"file2", nil];
+                           
+    [OHHTTPStubs shouldStubRequestPassingTest:^OHHTTPStubsResponse*(NSURLRequest *request) {
+        return [stubs containsObject:request.URL.absoluteString.lastPathComponent];
+    } withStubResponse:^OHHTTPStubsResponse* (NSURLRequest* request))handler {
+        NSString* file = [request.URL.absoluteString.lastPathComponent
+                          stringByAppendingPathExtension:@"json"];
+        return [OHHTTPStubsResponse responseWithFile:file contentType:@"text/json"
+                                         responseTime:OHHTTPStubsDownloadSpeedEDGE];
+    }];
+     
+     ...
+     
+    // Then this call (sending a request using the AFNetworking framework) will actually
+    // receive a fake response issued from the file "file1.json"
+    NSURLRequest* request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.example.com/file1"]];
+    [[AFJSONRequestOperation JSONRequestOperationWithRequest:request success:^(NSURLRequest *request, NSHTTPURLResponse *response, id JSON)
+     {
+        ...
+     } failure:^(NSURLRequest *request, NSHTTPURLResponse *response, NSError *error, id JSON)
+     {
+        ...
+     }] start];
+
+
+
+## Installing in your projects
+
+The `OHHTTPStubs` project is provided as a Xcode project that generates a static library, to easily integrate it with your project.
+
+1. Add the `OHHTTPStubs.xcodeproj` project to your application workspace, next to your application project
+2. Link `libOHHTTPStubs.a` with your application project:
+  * Select your application project in the Project Navigator, then select your target in which you want to use `OHHTTPStubs`
+     (for example **your Tests target** if you will only use `OHHTTPStubs` in your Unit Tests)
+  * Go to the "Build Phase" tab and open the "Link Binary With Libraries" phase
+  * Use the "+" button to add the `libOHHTTPStubs.a` library to the libraries linked with your project
+3. When you need to use `OHHTTPStubs` classes, import the headers using square brackets: `#import <OHHTTPStubs/OHHTTPStubs.h>`
+
+_Note: due to a bug in Xcode4, you will have to ensure that the `libOHHTTPStubs.a` file reference added in your project
+has its path referenced as "Relative to Build Products" as it should.
+If it is not the case, please read the [detailed instructions here](http://github.com/AliSoftware/OHHTTPStubs/wiki/Detailed-Integration-Instruction)._
+
+> ### **Important Note**
+`OHHTTPStubs` is designed to be used **in test/debug code only**.
+**Don't link with it in production code when you compile your final application for the AppStore**.
+
+> _Its code use a private API to build an `NSHTTPURLResponse`, which is not authorized by Apple in applications published on the AppStore.
+So you will probably only link it with your Unit Tests target, or inside some `#if DEBUG`/`#endif` portions of your code._
+
+## About `OHHTTPStubs` Unit Tests
+
+`OHHTTPStubs` include some *Unit Tests*, and some of them test cases when using `OHHTTPStubs` with the [`AFNetworking`](https://github.com/AFNetworking/AFNetworking/) framework.
+To implement those test cases, `AFNetworking` has been added as a _GIT submodule_ inside the "Unit Tests" folder.
+This means that if you want to be able to run `OHHTTPStubs`' Unit Tests,
+  you need to include submodules when cloning, by using the `--recursive` option:
+  `git clone --recursive <this_repo_url> <destination_folder>`.
+Alternatively if you didn't include the `--recursive` flag when cloning, you can use `git submodule init` and then `git submodule update`
+on your already cloned working copy to initialize and fetch/update the submodules.
+
+_This is only needed if you intend to run the `OHHTTPStubs` Unit Tests, to check the correct behavior of `OHHTTPStubs`
+in conjunction with `AFNetworking`. If you only intend to directly use the `OHHTTPStubs`'s
+produced library and will never run the `OHHTTPStubs` Unit Tests, the `AFNetworking` submodule is not needed at all._
+
+## Change Log
+
+The changelog is available [here in the dedicated wiki page](https://github.com/AliSoftware/OHHTTPStubs/wiki/ChangeLog).
+
+
+## License and Credits
+
+This project is brought to you by Olivier Halligon and is under MIT License
+
+It has been inspired by [this article from InfiniteLoop.dk](http://www.infinite-loop.dk/blog/2011/09/using-nsurlprotocol-for-injecting-test-data/)
+_(See also his [GitHub repository](https://github.com/InfiniteLoopDK/ILTesting))_
+
diff --git a/Vendor/libidn/build-libidn.sh b/Vendor/libidn/build-libidn.sh
new file mode 100755
index 0000000..37b706d
--- /dev/null
+++ b/Vendor/libidn/build-libidn.sh
@@ -0,0 +1,184 @@
+#!/bin/bash
+#  Builds libidn for all three current iPhone targets: iPhoneSimulator-i386,
+#  iPhoneOS-armv7, iPhoneOS-armv7s.
+#
+#  Copyright 2012 Mike Tigas <mike@tig.as>
+#
+#  Based on work by Felix Schulze on 16.12.10.
+#  Copyright 2010 Felix Schulze. All rights reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+###########################################################################
+#  Choose your libidn version and your currently-installed iOS SDK version:
+#
+VERSION="1.25"
+SDKVERSION="6.0"
+#
+#
+###########################################################################
+#
+# Don't change anything under this line!
+#
+###########################################################################
+
+# No need to change this since xcode build will only compile in the
+# necessary bits from the libraries we create
+ARCHS="i386 armv7 armv7s"
+
+DEVELOPER=`xcode-select -print-path`
+
+cd "`dirname \"$0\"`"
+REPOROOT=$(pwd)
+
+# Where we'll end up storing things in the end
+OUTPUTDIR="${REPOROOT}/dependencies"
+mkdir -p ${OUTPUTDIR}/include
+mkdir -p ${OUTPUTDIR}/lib
+mkdir -p ${OUTPUTDIR}/bin
+
+
+BUILDDIR="${REPOROOT}/build"
+
+# where we will keep our sources and build from.
+SRCDIR="${BUILDDIR}/src"
+mkdir -p $SRCDIR
+# where we will store intermediary builds
+INTERDIR="${BUILDDIR}/built"
+mkdir -p $INTERDIR
+
+########################################
+
+cd $SRCDIR
+
+# Exit the script if an error happens
+set -e
+
+if [ ! -e "${SRCDIR}/libidn-${VERSION}.tar.gz" ]; then
+	echo "Downloading libidn-${VERSION}.tar.gz"
+    curl -LO http://ftp.gnu.org/gnu/libidn/libidn-${VERSION}.tar.gz
+else
+    
+	echo "Using libidn-${VERSION}.tar.gz"
+fi
+
+tar zxf libidn-${VERSION}.tar.gz -C $SRCDIR
+cd "${SRCDIR}/libidn-${VERSION}"
+
+set +e # don't bail out of bash script if ccache doesn't exist
+CCACHE=`which ccache`
+if [ $? == "0" ]; then
+    echo "Building with ccache: $CCACHE"
+    CCACHE="${CCACHE} "
+else
+    echo "Building without ccache"
+    CCACHE=""
+fi
+set -e # back to regular "bail out on error" mode
+
+for ARCH in ${ARCHS}
+do
+	if [ "${ARCH}" == "i386" ];
+	then
+		PLATFORM="iPhoneSimulator"
+        EXTRA_CONFIG=""
+        EXTRA_CFLAGS=""
+	else
+		PLATFORM="iPhoneOS"
+        EXTRA_CONFIG="--host=arm-apple-darwin10 --disable-asm"
+        EXTRA_CFLAGS="-DNO_ASM"
+	fi
+
+	mkdir -p "${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
+
+	./configure --disable-shared --enable-static ${EXTRA_CONFIG} \
+    --prefix="${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk" \
+    CC="${CCACHE}${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer/usr/bin/gcc -arch ${ARCH}" \
+    LDFLAGS="$LDFLAGS -L${OUTPUTDIR}/lib" \
+    CFLAGS="$CFLAGS ${EXTRA_CFLAGS} -I${OUTPUTDIR}/include -isysroot ${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer/SDKs/${PLATFORM}${SDKVERSION}.sdk" \
+    CPPFLAGS="$CPPFLAGS -I${OUTPUTDIR}/include -isysroot ${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer/SDKs/${PLATFORM}${SDKVERSION}.sdk"
+
+    # Build the application and install it to the fake SDK intermediary dir
+    # we have set up. Make sure to clean up afterward because we will re-use
+    # this source tree to cross-compile other targets.
+	make -j2
+	make install
+	make clean
+done
+
+########################################
+
+echo "Build library..."
+
+# These are the libs that comprise libidn.
+OUTPUT_LIBS="libidn.a"
+for OUTPUT_LIB in ${OUTPUT_LIBS}; do
+    INPUT_LIBS=""
+    for ARCH in ${ARCHS}; do
+        if [ "${ARCH}" == "i386" ];
+        then
+            PLATFORM="iPhoneSimulator"
+        else
+            PLATFORM="iPhoneOS"
+        fi
+        INPUT_ARCH_LIB="${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/lib/${OUTPUT_LIB}"
+        if [ -e $INPUT_ARCH_LIB ]; then
+            INPUT_LIBS="${INPUT_LIBS} ${INPUT_ARCH_LIB}"
+        fi
+    done
+    # Combine the three architectures into a universal library.
+    if [ -n "$INPUT_LIBS"  ]; then
+        lipo -create $INPUT_LIBS \
+        -output "${OUTPUTDIR}/lib/${OUTPUT_LIB}"
+    else
+        echo "$OUTPUT_LIB does not exist, skipping (are the dependencies installed?)"
+    fi
+done
+
+for ARCH in ${ARCHS}; do
+    if [ "${ARCH}" == "i386" ];
+    then
+        PLATFORM="iPhoneSimulator"
+    else
+        PLATFORM="iPhoneOS"
+    fi
+    cp -R ${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/include/* ${OUTPUTDIR}/include/
+    if [ $? == "0" ]; then
+        # We only need to copy the headers over once. (So break out of forloop
+        # once we get first success.)
+        break
+    fi
+done
+
+for ARCH in ${ARCHS}; do
+    if [ "${ARCH}" == "i386" ];
+    then
+        PLATFORM="iPhoneSimulator"
+    else
+        PLATFORM="iPhoneOS"
+    fi
+    cp -R ${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/bin/* ${OUTPUTDIR}/bin/
+    if [ $? == "0" ]; then
+        # We only need to copy the binaries over once. (So break out of forloop
+        # once we get first success.)
+        break
+    fi
+done
+
+####################
+
+echo "Building done."
+echo "Cleaning up..."
+rm -fr ${INTERDIR}
+rm -fr "${SRCDIR}/libidn-${VERSION}"
+echo "Done."
diff --git a/Vendor/libidn/idn-int.h b/Vendor/libidn/idn-int.h
new file mode 100644
index 0000000..b0ca654
--- /dev/null
+++ b/Vendor/libidn/idn-int.h
@@ -0,0 +1,638 @@
+/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
+/* Copyright (C) 2001-2002, 2004-2012 Free Software Foundation, Inc.
+   Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
+   This file is part of gnulib.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation; either version 2.1, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+
+/*
+ * ISO C 99 <stdint.h> for platforms that lack it.
+ * <http://www.opengroup.org/susv3xbd/stdint.h.html>
+ */
+
+#ifndef _GL_LGL_STDINT_H
+
+#if __GNUC__ >= 3
+#pragma GCC system_header
+#endif
+
+
+/* When including a system file that in turn includes <inttypes.h>,
+   use the system <inttypes.h>, not our substitute.  This avoids
+   problems with (for example) VMS, whose <sys/bitypes.h> includes
+   <inttypes.h>.  */
+#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
+
+/* On Android (Bionic libc), <sys/types.h> includes this file before
+   having defined 'time_t'.  Therefore in this case avoid including
+   other system header files; just include the system's <stdint.h>.
+   Ideally we should test __BIONIC__ here, but it is only defined after
+   <sys/cdefs.h> has been included; hence test __ANDROID__ instead.  */
+#if defined __ANDROID__ \
+    && defined _SYS_TYPES_H_ && !defined _SSIZE_T_DEFINED_
+# include <stdint.h>
+#else
+
+/* Get those types that are already defined in other system include
+   files, so that we can "#define int8_t signed char" below without
+   worrying about a later system include file containing a "typedef
+   signed char int8_t;" that will get messed up by our macro.  Our
+   macros should all be consistent with the system versions, except
+   for the "fast" types and macros, which we recommend against using
+   in public interfaces due to compiler differences.  */
+
+#if 1
+# if defined __sgi && ! defined __c99
+   /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
+      with "This header file is to be used only for c99 mode compilations"
+      diagnostics.  */
+#  define __STDINT_H__
+# endif
+
+  /* Some pre-C++11 <stdint.h> implementations need this.  */
+# ifdef __cplusplus
+#  ifndef __STDC_CONSTANT_MACROS
+#   define __STDC_CONSTANT_MACROS 1
+#  endif
+#  ifndef __STDC_LIMIT_MACROS
+#   define __STDC_LIMIT_MACROS 1
+#  endif
+# endif
+
+  /* Other systems may have an incomplete or buggy <stdint.h>.
+     Include it before <inttypes.h>, since any "#include <stdint.h>"
+     in <inttypes.h> would reinclude us, skipping our contents because
+     _GL_LGL_STDINT_H is defined.
+     The include requires a split double-inclusion guard.  */
+# include <stdint.h>
+#endif
+
+#if ! defined _GL_LGL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+#define _GL_LGL_STDINT_H
+
+/* <sys/types.h> defines some of the stdint.h types as well, on glibc,
+   IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
+   AIX 5.2 <sys/types.h> isn't needed and causes troubles.
+   MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
+   relies on the system <stdint.h> definitions, so include
+   <sys/types.h> after <stdint.h>.  */
+#if 1 && ! defined _AIX
+# include <sys/types.h>
+#endif
+
+/* Get SCHAR_MIN, SCHAR_MAX, UCHAR_MAX, INT_MIN, INT_MAX,
+   LONG_MIN, LONG_MAX, ULONG_MAX.  */
+#include <limits.h>
+
+#if 1
+  /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
+     int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
+     <inttypes.h> also defines intptr_t and uintptr_t.  */
+# include <inttypes.h>
+#elif 0
+  /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
+     the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.  */
+# include <sys/inttypes.h>
+#endif
+
+#if 0 && ! defined __BIT_TYPES_DEFINED__
+  /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
+     int{8,16,32,64}_t and __BIT_TYPES_DEFINED__.  In libc5 >= 5.2.2 it is
+     included by <sys/types.h>.  */
+# include <sys/bitypes.h>
+#endif
+
+#undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
+
+/* Minimum and maximum values for an integer type under the usual assumption.
+   Return an unspecified value if BITS == 0, adding a check to pacify
+   picky compilers.  */
+
+#define _STDINT_MIN(signed, bits, zero) \
+  ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
+
+#define _STDINT_MAX(signed, bits, zero) \
+  ((signed) \
+   ? ~ _STDINT_MIN (signed, bits, zero) \
+   : /* The expression for the unsigned case.  The subtraction of (signed) \
+        is a nop in the unsigned case and avoids "signed integer overflow" \
+        warnings in the signed case.  */ \
+     ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
+
+#if !GNULIB_defined_stdint_types
+
+/* 7.18.1.1. Exact-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits.  */
+
+#undef int8_t
+#undef uint8_t
+typedef signed char gl_int8_t;
+typedef unsigned char gl_uint8_t;
+#define int8_t gl_int8_t
+#define uint8_t gl_uint8_t
+
+#undef int16_t
+#undef uint16_t
+typedef short int gl_int16_t;
+typedef unsigned short int gl_uint16_t;
+#define int16_t gl_int16_t
+#define uint16_t gl_uint16_t
+
+#undef int32_t
+#undef uint32_t
+typedef int gl_int32_t;
+typedef unsigned int gl_uint32_t;
+#define int32_t gl_int32_t
+#define uint32_t gl_uint32_t
+
+/* If the system defines INT64_MAX, assume int64_t works.  That way,
+   if the underlying platform defines int64_t to be a 64-bit long long
+   int, the code below won't mistakenly define it to be a 64-bit long
+   int, which would mess up C++ name mangling.  We must use #ifdef
+   rather than #if, to avoid an error with HP-UX 10.20 cc.  */
+
+#ifdef INT64_MAX
+# define GL_INT64_T
+#else
+/* Do not undefine int64_t if gnulib is not being used with 64-bit
+   types, since otherwise it breaks platforms like Tandem/NSK.  */
+# if LONG_MAX >> 31 >> 31 == 1
+#  undef int64_t
+typedef long int gl_int64_t;
+#  define int64_t gl_int64_t
+#  define GL_INT64_T
+# elif defined _MSC_VER
+#  undef int64_t
+typedef __int64 gl_int64_t;
+#  define int64_t gl_int64_t
+#  define GL_INT64_T
+# elif 1
+#  undef int64_t
+typedef long long int gl_int64_t;
+#  define int64_t gl_int64_t
+#  define GL_INT64_T
+# endif
+#endif
+
+#ifdef UINT64_MAX
+# define GL_UINT64_T
+#else
+# if ULONG_MAX >> 31 >> 31 >> 1 == 1
+#  undef uint64_t
+typedef unsigned long int gl_uint64_t;
+#  define uint64_t gl_uint64_t
+#  define GL_UINT64_T
+# elif defined _MSC_VER
+#  undef uint64_t
+typedef unsigned __int64 gl_uint64_t;
+#  define uint64_t gl_uint64_t
+#  define GL_UINT64_T
+# elif 1
+#  undef uint64_t
+typedef unsigned long long int gl_uint64_t;
+#  define uint64_t gl_uint64_t
+#  define GL_UINT64_T
+# endif
+#endif
+
+/* Avoid collision with Solaris 2.5.1 <pthread.h> etc.  */
+#define _UINT8_T
+#define _UINT32_T
+#define _UINT64_T
+
+
+/* 7.18.1.2. Minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
+   are the same as the corresponding N_t types.  */
+
+#undef int_least8_t
+#undef uint_least8_t
+#undef int_least16_t
+#undef uint_least16_t
+#undef int_least32_t
+#undef uint_least32_t
+#undef int_least64_t
+#undef uint_least64_t
+#define int_least8_t int8_t
+#define uint_least8_t uint8_t
+#define int_least16_t int16_t
+#define uint_least16_t uint16_t
+#define int_least32_t int32_t
+#define uint_least32_t uint32_t
+#ifdef GL_INT64_T
+# define int_least64_t int64_t
+#endif
+#ifdef GL_UINT64_T
+# define uint_least64_t uint64_t
+#endif
+
+/* 7.18.1.3. Fastest minimum-width integer types */
+
+/* Note: Other <stdint.h> substitutes may define these types differently.
+   It is not recommended to use these types in public header files. */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
+   are taken from the same list of types.  The following code normally
+   uses types consistent with glibc, as that lessens the chance of
+   incompatibility with older GNU hosts.  */
+
+#undef int_fast8_t
+#undef uint_fast8_t
+#undef int_fast16_t
+#undef uint_fast16_t
+#undef int_fast32_t
+#undef uint_fast32_t
+#undef int_fast64_t
+#undef uint_fast64_t
+typedef signed char gl_int_fast8_t;
+typedef unsigned char gl_uint_fast8_t;
+
+#ifdef __sun
+/* Define types compatible with SunOS 5.10, so that code compiled under
+   earlier SunOS versions works with code compiled under SunOS 5.10.  */
+typedef int gl_int_fast32_t;
+typedef unsigned int gl_uint_fast32_t;
+#else
+typedef long int gl_int_fast32_t;
+typedef unsigned long int gl_uint_fast32_t;
+#endif
+typedef gl_int_fast32_t gl_int_fast16_t;
+typedef gl_uint_fast32_t gl_uint_fast16_t;
+
+#define int_fast8_t gl_int_fast8_t
+#define uint_fast8_t gl_uint_fast8_t
+#define int_fast16_t gl_int_fast16_t
+#define uint_fast16_t gl_uint_fast16_t
+#define int_fast32_t gl_int_fast32_t
+#define uint_fast32_t gl_uint_fast32_t
+#ifdef GL_INT64_T
+# define int_fast64_t int64_t
+#endif
+#ifdef GL_UINT64_T
+# define uint_fast64_t uint64_t
+#endif
+
+/* 7.18.1.4. Integer types capable of holding object pointers */
+
+#undef intptr_t
+#undef uintptr_t
+typedef long int gl_intptr_t;
+typedef unsigned long int gl_uintptr_t;
+#define intptr_t gl_intptr_t
+#define uintptr_t gl_uintptr_t
+
+/* 7.18.1.5. Greatest-width integer types */
+
+/* Note: These types are compiler dependent. It may be unwise to use them in
+   public header files. */
+
+/* If the system defines INTMAX_MAX, assume that intmax_t works, and
+   similarly for UINTMAX_MAX and uintmax_t.  This avoids problems with
+   assuming one type where another is used by the system.  */
+
+#ifndef INTMAX_MAX
+# undef INTMAX_C
+# undef intmax_t
+# if 1 && LONG_MAX >> 30 == 1
+typedef long long int gl_intmax_t;
+#  define intmax_t gl_intmax_t
+# elif defined GL_INT64_T
+#  define intmax_t int64_t
+# else
+typedef long int gl_intmax_t;
+#  define intmax_t gl_intmax_t
+# endif
+#endif
+
+#ifndef UINTMAX_MAX
+# undef UINTMAX_C
+# undef uintmax_t
+# if 1 && ULONG_MAX >> 31 == 1
+typedef unsigned long long int gl_uintmax_t;
+#  define uintmax_t gl_uintmax_t
+# elif defined GL_UINT64_T
+#  define uintmax_t uint64_t
+# else
+typedef unsigned long int gl_uintmax_t;
+#  define uintmax_t gl_uintmax_t
+# endif
+#endif
+
+/* Verify that intmax_t and uintmax_t have the same size.  Too much code
+   breaks if this is not the case.  If this check fails, the reason is likely
+   to be found in the autoconf macros.  */
+typedef int _verify_intmax_size[sizeof (intmax_t) == sizeof (uintmax_t)
+                                ? 1 : -1];
+
+#define GNULIB_defined_stdint_types 1
+#endif /* !GNULIB_defined_stdint_types */
+
+/* 7.18.2. Limits of specified-width integer types */
+
+/* 7.18.2.1. Limits of exact-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits.  */
+
+#undef INT8_MIN
+#undef INT8_MAX
+#undef UINT8_MAX
+#define INT8_MIN  (~ INT8_MAX)
+#define INT8_MAX  127
+#define UINT8_MAX  255
+
+#undef INT16_MIN
+#undef INT16_MAX
+#undef UINT16_MAX
+#define INT16_MIN  (~ INT16_MAX)
+#define INT16_MAX  32767
+#define UINT16_MAX  65535
+
+#undef INT32_MIN
+#undef INT32_MAX
+#undef UINT32_MAX
+#define INT32_MIN  (~ INT32_MAX)
+#define INT32_MAX  2147483647
+#define UINT32_MAX  4294967295U
+
+#if defined GL_INT64_T && ! defined INT64_MAX
+/* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
+   evaluates the latter incorrectly in preprocessor expressions.  */
+# define INT64_MIN  (- INTMAX_C (1) << 63)
+# define INT64_MAX  INTMAX_C (9223372036854775807)
+#endif
+
+#if defined GL_UINT64_T && ! defined UINT64_MAX
+# define UINT64_MAX  UINTMAX_C (18446744073709551615)
+#endif
+
+/* 7.18.2.2. Limits of minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
+   are the same as the corresponding N_t types.  */
+
+#undef INT_LEAST8_MIN
+#undef INT_LEAST8_MAX
+#undef UINT_LEAST8_MAX
+#define INT_LEAST8_MIN  INT8_MIN
+#define INT_LEAST8_MAX  INT8_MAX
+#define UINT_LEAST8_MAX  UINT8_MAX
+
+#undef INT_LEAST16_MIN
+#undef INT_LEAST16_MAX
+#undef UINT_LEAST16_MAX
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST16_MAX  INT16_MAX
+#define UINT_LEAST16_MAX  UINT16_MAX
+
+#undef INT_LEAST32_MIN
+#undef INT_LEAST32_MAX
+#undef UINT_LEAST32_MAX
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST32_MAX  INT32_MAX
+#define UINT_LEAST32_MAX  UINT32_MAX
+
+#undef INT_LEAST64_MIN
+#undef INT_LEAST64_MAX
+#ifdef GL_INT64_T
+# define INT_LEAST64_MIN  INT64_MIN
+# define INT_LEAST64_MAX  INT64_MAX
+#endif
+
+#undef UINT_LEAST64_MAX
+#ifdef GL_UINT64_T
+# define UINT_LEAST64_MAX  UINT64_MAX
+#endif
+
+/* 7.18.2.3. Limits of fastest minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
+   are taken from the same list of types.  */
+
+#undef INT_FAST8_MIN
+#undef INT_FAST8_MAX
+#undef UINT_FAST8_MAX
+#define INT_FAST8_MIN  SCHAR_MIN
+#define INT_FAST8_MAX  SCHAR_MAX
+#define UINT_FAST8_MAX  UCHAR_MAX
+
+#undef INT_FAST16_MIN
+#undef INT_FAST16_MAX
+#undef UINT_FAST16_MAX
+#define INT_FAST16_MIN  INT_FAST32_MIN
+#define INT_FAST16_MAX  INT_FAST32_MAX
+#define UINT_FAST16_MAX  UINT_FAST32_MAX
+
+#undef INT_FAST32_MIN
+#undef INT_FAST32_MAX
+#undef UINT_FAST32_MAX
+#ifdef __sun
+# define INT_FAST32_MIN  INT_MIN
+# define INT_FAST32_MAX  INT_MAX
+# define UINT_FAST32_MAX  UINT_MAX
+#else
+# define INT_FAST32_MIN  LONG_MIN
+# define INT_FAST32_MAX  LONG_MAX
+# define UINT_FAST32_MAX  ULONG_MAX
+#endif
+
+#undef INT_FAST64_MIN
+#undef INT_FAST64_MAX
+#ifdef GL_INT64_T
+# define INT_FAST64_MIN  INT64_MIN
+# define INT_FAST64_MAX  INT64_MAX
+#endif
+
+#undef UINT_FAST64_MAX
+#ifdef GL_UINT64_T
+# define UINT_FAST64_MAX  UINT64_MAX
+#endif
+
+/* 7.18.2.4. Limits of integer types capable of holding object pointers */
+
+#undef INTPTR_MIN
+#undef INTPTR_MAX
+#undef UINTPTR_MAX
+#define INTPTR_MIN  LONG_MIN
+#define INTPTR_MAX  LONG_MAX
+#define UINTPTR_MAX  ULONG_MAX
+
+/* 7.18.2.5. Limits of greatest-width integer types */
+
+#ifndef INTMAX_MAX
+# undef INTMAX_MIN
+# ifdef INT64_MAX
+#  define INTMAX_MIN  INT64_MIN
+#  define INTMAX_MAX  INT64_MAX
+# else
+#  define INTMAX_MIN  INT32_MIN
+#  define INTMAX_MAX  INT32_MAX
+# endif
+#endif
+
+#ifndef UINTMAX_MAX
+# ifdef UINT64_MAX
+#  define UINTMAX_MAX  UINT64_MAX
+# else
+#  define UINTMAX_MAX  UINT32_MAX
+# endif
+#endif
+
+/* 7.18.3. Limits of other integer types */
+
+/* ptrdiff_t limits */
+#undef PTRDIFF_MIN
+#undef PTRDIFF_MAX
+#if 0
+# ifdef _LP64
+#  define PTRDIFF_MIN  _STDINT_MIN (1, 64, 0l)
+#  define PTRDIFF_MAX  _STDINT_MAX (1, 64, 0l)
+# else
+#  define PTRDIFF_MIN  _STDINT_MIN (1, 32, 0)
+#  define PTRDIFF_MAX  _STDINT_MAX (1, 32, 0)
+# endif
+#else
+# define PTRDIFF_MIN  \
+    _STDINT_MIN (1, 32, 0)
+# define PTRDIFF_MAX  \
+    _STDINT_MAX (1, 32, 0)
+#endif
+
+/* sig_atomic_t limits */
+#undef SIG_ATOMIC_MIN
+#undef SIG_ATOMIC_MAX
+#define SIG_ATOMIC_MIN  \
+   _STDINT_MIN (1, 32, \
+                0)
+#define SIG_ATOMIC_MAX  \
+   _STDINT_MAX (1, 32, \
+                0)
+
+
+/* size_t limit */
+#undef SIZE_MAX
+#if 0
+# ifdef _LP64
+#  define SIZE_MAX  _STDINT_MAX (0, 64, 0ul)
+# else
+#  define SIZE_MAX  _STDINT_MAX (0, 32, 0ul)
+# endif
+#else
+# define SIZE_MAX  _STDINT_MAX (0, 32, 0ul)
+#endif
+
+/* wchar_t limits */
+/* Get WCHAR_MIN, WCHAR_MAX.
+   This include is not on the top, above, because on OSF/1 4.0 we have a
+   sequence of nested includes
+   <wchar.h> -> <stdio.h> -> <getopt.h> -> <stdlib.h>, and the latter includes
+   <stdint.h> and assumes its types are already defined.  */
+#if 1 && ! (defined WCHAR_MIN && defined WCHAR_MAX)
+  /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+     included before <wchar.h>.  */
+# include <stddef.h>
+# include <stdio.h>
+# include <time.h>
+# define _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
+/*  We don't need WCHAR_* in libidn, so to avoid problems with
+    missing wchar.h, don't include wchar.h here.  */
+# undef _GL_JUST_INCLUDE_SYSTEM_WCHAR_H
+#endif
+#undef WCHAR_MIN
+#undef WCHAR_MAX
+#define WCHAR_MIN  \
+   _STDINT_MIN (1, 32, 0)
+#define WCHAR_MAX  \
+   _STDINT_MAX (1, 32, 0)
+
+/* wint_t limits */
+#undef WINT_MIN
+#undef WINT_MAX
+#define WINT_MIN  \
+   _STDINT_MIN (1, 32, 0)
+#define WINT_MAX  \
+   _STDINT_MAX (1, 32, 0)
+
+/* 7.18.4. Macros for integer constants */
+
+/* 7.18.4.1. Macros for minimum-width integer constants */
+/* According to ISO C 99 Technical Corrigendum 1 */
+
+/* Here we assume a standard architecture where the hardware integer
+   types have 8, 16, 32, optionally 64 bits, and int is 32 bits.  */
+
+#undef INT8_C
+#undef UINT8_C
+#define INT8_C(x) x
+#define UINT8_C(x) x
+
+#undef INT16_C
+#undef UINT16_C
+#define INT16_C(x) x
+#define UINT16_C(x) x
+
+#undef INT32_C
+#undef UINT32_C
+#define INT32_C(x) x
+#define UINT32_C(x) x ## U
+
+#undef INT64_C
+#undef UINT64_C
+#if LONG_MAX >> 31 >> 31 == 1
+# define INT64_C(x) x##L
+#elif defined _MSC_VER
+# define INT64_C(x) x##i64
+#elif 1
+# define INT64_C(x) x##LL
+#endif
+#if ULONG_MAX >> 31 >> 31 >> 1 == 1
+# define UINT64_C(x) x##UL
+#elif defined _MSC_VER
+# define UINT64_C(x) x##ui64
+#elif 1
+# define UINT64_C(x) x##ULL
+#endif
+
+/* 7.18.4.2. Macros for greatest-width integer constants */
+
+#ifndef INTMAX_C
+# if 1 && LONG_MAX >> 30 == 1
+#  define INTMAX_C(x)   x##LL
+# elif defined GL_INT64_T
+#  define INTMAX_C(x)   INT64_C(x)
+# else
+#  define INTMAX_C(x)   x##L
+# endif
+#endif
+
+#ifndef UINTMAX_C
+# if 1 && ULONG_MAX >> 31 == 1
+#  define UINTMAX_C(x)  x##ULL
+# elif defined GL_UINT64_T
+#  define UINTMAX_C(x)  UINT64_C(x)
+# else
+#  define UINTMAX_C(x)  x##UL
+# endif
+#endif
+
+#endif /* _GL_LGL_STDINT_H */
+#endif /* !(defined __ANDROID__ && ...) */
+#endif /* !defined _GL_LGL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
diff --git a/Vendor/libidn/libidn.a b/Vendor/libidn/libidn.a
new file mode 100644
index 0000000..96f2d7e
Binary files /dev/null and b/Vendor/libidn/libidn.a differ
diff --git a/Vendor/libidn/stringprep.h b/Vendor/libidn/stringprep.h
new file mode 100644
index 0000000..5e823a8
--- /dev/null
+++ b/Vendor/libidn/stringprep.h
@@ -0,0 +1,241 @@
+/* stringprep.h --- Header file for stringprep functions.
+   Copyright (C) 2002-2012 Simon Josefsson
+
+   This file is part of GNU Libidn.
+
+   GNU Libidn is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Libidn is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef STRINGPREP_H
+# define STRINGPREP_H
+
+# ifndef IDNAPI
+#  if defined LIBIDN_BUILDING && defined HAVE_VISIBILITY && HAVE_VISIBILITY
+#   define IDNAPI __attribute__((__visibility__("default")))
+#  elif defined LIBIDN_BUILDING && defined _MSC_VER && ! defined LIBIDN_STATIC
+#   define IDNAPI __declspec(dllexport)
+#  elif defined _MSC_VER && ! defined LIBIDN_STATIC
+#   define IDNAPI __declspec(dllimport)
+#  else
+#   define IDNAPI
+#  endif
+# endif
+
+# include <stddef.h>		/* size_t */
+# include <sys/types.h>		/* ssize_t */
+# include "idn-int.h"		/* uint32_t */
+
+# ifdef __cplusplus
+extern "C"
+{
+# endif
+
+# define STRINGPREP_VERSION "1.25"
+
+/* Error codes. */
+  typedef enum
+  {
+    STRINGPREP_OK = 0,
+    /* Stringprep errors. */
+    STRINGPREP_CONTAINS_UNASSIGNED = 1,
+    STRINGPREP_CONTAINS_PROHIBITED = 2,
+    STRINGPREP_BIDI_BOTH_L_AND_RAL = 3,
+    STRINGPREP_BIDI_LEADTRAIL_NOT_RAL = 4,
+    STRINGPREP_BIDI_CONTAINS_PROHIBITED = 5,
+    /* Error in calling application. */
+    STRINGPREP_TOO_SMALL_BUFFER = 100,
+    STRINGPREP_PROFILE_ERROR = 101,
+    STRINGPREP_FLAG_ERROR = 102,
+    STRINGPREP_UNKNOWN_PROFILE = 103,
+    /* Internal errors. */
+    STRINGPREP_NFKC_FAILED = 200,
+    STRINGPREP_MALLOC_ERROR = 201
+  } Stringprep_rc;
+
+/* Flags used when calling stringprep(). */
+  typedef enum
+  {
+    STRINGPREP_NO_NFKC = 1,
+    STRINGPREP_NO_BIDI = 2,
+    STRINGPREP_NO_UNASSIGNED = 4
+  } Stringprep_profile_flags;
+
+/* Steps in a stringprep profile. */
+  typedef enum
+  {
+    STRINGPREP_NFKC = 1,
+    STRINGPREP_BIDI = 2,
+    STRINGPREP_MAP_TABLE = 3,
+    STRINGPREP_UNASSIGNED_TABLE = 4,
+    STRINGPREP_PROHIBIT_TABLE = 5,
+    STRINGPREP_BIDI_PROHIBIT_TABLE = 6,
+    STRINGPREP_BIDI_RAL_TABLE = 7,
+    STRINGPREP_BIDI_L_TABLE = 8
+  } Stringprep_profile_steps;
+
+# define STRINGPREP_MAX_MAP_CHARS 4
+
+  struct Stringprep_table_element
+  {
+    uint32_t start;
+    uint32_t end;		/* 0 if only one character */
+    uint32_t map[STRINGPREP_MAX_MAP_CHARS];	/* NULL if end is not 0 */
+  };
+  typedef struct Stringprep_table_element Stringprep_table_element;
+
+  struct Stringprep_table
+  {
+    Stringprep_profile_steps operation;
+    Stringprep_profile_flags flags;
+    const Stringprep_table_element *table;
+  };
+  typedef struct Stringprep_table Stringprep_profile;
+
+  struct Stringprep_profiles
+  {
+    const char *name;
+    const Stringprep_profile *tables;
+  };
+  typedef struct Stringprep_profiles Stringprep_profiles;
+
+  extern IDNAPI const Stringprep_profiles stringprep_profiles[];
+
+/* Profiles */
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_A_1[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_B_1[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_B_2[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_B_3[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_1_1[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_1_2[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_2_1[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_2_2[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_3[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_4[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_5[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_6[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_7[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_8[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_C_9[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_D_1[];
+  extern IDNAPI const Stringprep_table_element stringprep_rfc3454_D_2[];
+
+  /* Nameprep */
+
+  extern IDNAPI const Stringprep_profile stringprep_nameprep[];
+
+# define stringprep_nameprep(in, maxlen)			\
+  stringprep(in, maxlen, 0, stringprep_nameprep)
+
+# define stringprep_nameprep_no_unassigned(in, maxlen)			\
+  stringprep(in, maxlen, STRINGPREP_NO_UNASSIGNED, stringprep_nameprep)
+
+  /* SASL */
+
+  extern IDNAPI const Stringprep_profile stringprep_saslprep[];
+  extern IDNAPI const Stringprep_table_element stringprep_saslprep_space_map[];
+  extern IDNAPI const Stringprep_profile stringprep_plain[];
+  extern IDNAPI const Stringprep_profile stringprep_trace[];
+
+# define stringprep_plain(in, maxlen)		\
+  stringprep(in, maxlen, 0, stringprep_plain)
+
+  /* Kerberos */
+
+  extern IDNAPI const Stringprep_profile stringprep_kerberos5[];
+
+# define stringprep_kerberos5(in, maxlen)		\
+  stringprep(in, maxlen, 0, stringprep_kerberos5)
+
+  /* XMPP */
+
+  extern IDNAPI const Stringprep_profile stringprep_xmpp_nodeprep[];
+  extern IDNAPI const Stringprep_profile stringprep_xmpp_resourceprep[];
+  extern IDNAPI const Stringprep_table_element stringprep_xmpp_nodeprep_prohibit[];
+
+# define stringprep_xmpp_nodeprep(in, maxlen)		\
+  stringprep(in, maxlen, 0, stringprep_xmpp_nodeprep)
+# define stringprep_xmpp_resourceprep(in, maxlen)		\
+  stringprep(in, maxlen, 0, stringprep_xmpp_resourceprep)
+
+  /* iSCSI */
+
+  extern IDNAPI const Stringprep_profile stringprep_iscsi[];
+  extern IDNAPI const Stringprep_table_element stringprep_iscsi_prohibit[];
+
+# define stringprep_iscsi(in, maxlen)		\
+  stringprep(in, maxlen, 0, stringprep_iscsi)
+
+  /* API */
+
+  extern IDNAPI int stringprep_4i (uint32_t * ucs4, size_t * len,
+				   size_t maxucs4len,
+				   Stringprep_profile_flags flags,
+				   const Stringprep_profile * profile);
+  extern IDNAPI int stringprep_4zi (uint32_t * ucs4, size_t maxucs4len,
+				    Stringprep_profile_flags flags,
+				    const Stringprep_profile * profile);
+  extern IDNAPI int stringprep (char *in, size_t maxlen,
+				Stringprep_profile_flags flags,
+				const Stringprep_profile * profile);
+
+  extern IDNAPI int stringprep_profile (const char *in,
+					char **out,
+					const char *profile,
+					Stringprep_profile_flags flags);
+
+  extern IDNAPI const char *stringprep_strerror (Stringprep_rc rc);
+
+  extern IDNAPI const char *stringprep_check_version (const char
+						      *req_version);
+
+/* Utility */
+
+  extern IDNAPI int stringprep_unichar_to_utf8 (uint32_t c, char *outbuf);
+  extern IDNAPI uint32_t stringprep_utf8_to_unichar (const char *p);
+
+  extern IDNAPI uint32_t *stringprep_utf8_to_ucs4 (const char *str,
+						   ssize_t len,
+						   size_t * items_written);
+  extern IDNAPI char *stringprep_ucs4_to_utf8 (const uint32_t * str,
+					       ssize_t len,
+					       size_t * items_read,
+					       size_t * items_written);
+
+  extern IDNAPI char *stringprep_utf8_nfkc_normalize (const char *str,
+						      ssize_t len);
+  extern IDNAPI uint32_t *stringprep_ucs4_nfkc_normalize (const uint32_t * str,
+							  ssize_t len);
+
+  extern IDNAPI const char *stringprep_locale_charset (void);
+  extern IDNAPI char *stringprep_convert (const char *str,
+					  const char *to_codeset,
+					  const char *from_codeset);
+  extern IDNAPI char *stringprep_locale_to_utf8 (const char *str);
+  extern IDNAPI char *stringprep_utf8_to_locale (const char *str);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif				/* STRINGPREP_H */
diff --git a/XMPPFramework.h b/XMPPFramework.h
new file mode 100644
index 0000000..46fc5f5
--- /dev/null
+++ b/XMPPFramework.h
@@ -0,0 +1 @@
+#import "XMPP.h"
diff --git a/module/module.modulemap b/module/module.modulemap
new file mode 100644
index 0000000..c180999
--- /dev/null
+++ b/module/module.modulemap
@@ -0,0 +1,21 @@
+module libxml [system] {
+	header "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/libxml2/libxml/tree.h"
+	export *
+}
+
+module libxmlSimu [system] {
+	header "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/include/libxml2/libxml/tree.h"
+	export *
+}
+
+module dnssd [system] {
+	header "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/dns_sd.h"
+	export *
+}
+
+module dnssdSimu [system] {
+	header "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/include/dns_sd.h"
+	export *
+}
+
+#include <dns_sd.h>
\ No newline at end of file