- Fix PNInstallation

Example/Pods/NSString-Helper/NSString-Helper/NSString+Helper.h

@@ -10,6 +10,8 @@
 
 @interface NSString (Helper)
 
++ (NSString *) getRandString: (int) length;
+
 - (BOOL) isValidEmail;
 
 - (BOOL) isNumeric;
@@ -20,4 +22,12 @@
 
 - (BOOL) isValidTaxCode;
 
+- (NSString *) md5;
+
+- (NSString*) sha1;
+
+- (NSString*) sha256;
+
+- (NSString*) sha512;
+
 @end