- fix populate object mapping error

Example/Podfile.lock

@@ -48,7 +48,7 @@ PODS:
     - CocoaSecurity (~> 1.2.2)
   - nv-ios-http-status (0.0.1)
   - PEAR-FileManager-iOS (1.3.1)
-  - PNObject (0.7.0):
+  - PNObject (0.7.2):
     - AFNetworking
     - CodFis-Helper
     - DJLocalization
@@ -112,7 +112,7 @@ SPEC CHECKSUMS:
   NSUserDefaults-AESEncryptor: da02cfef056f1e18ebe2748767915f08b274c9c5
   nv-ios-http-status: b6c2b5fc8656cc19e0d3000dadce2080b99d0e2f
   PEAR-FileManager-iOS: 3bc403f68a53483f5629aa822f4649e40275c4d3
-  PNObject: be02023e5a4c9a1110a569e54886dc13bfa9cb82
+  PNObject: 82e78a25ca365822eadbf9bbac66fdd76bd71370
   PureLayout: f35f5384c9c4e4479df041dbe33ad7577b71ddfb
   RZDataBinding: 00d468ebe667f02c2bd5416f87b4b5d826188c4d
   Specta: ac94d110b865115fe60ff2c6d7281053c6f8e8a2

Example/Pods/Local Podspecs/PNObject.podspec.json

@@ -1,6 +1,6 @@
 {
   "name": "PNObject",
-  "version": "0.7.0",
+  "version": "0.7.2",
   "summary": "PNObject is a simple replica of the more complex ParseObject",
   "homepage": "https://github.com/giuseppenucifora/PNObject",
   "license": "MIT",
@@ -9,7 +9,7 @@
   },
   "source": {
     "git": "https://github.com/giuseppenucifora/PNObject.git",
-    "tag": "0.7.0"
+    "tag": "0.7.2"
   },
   "platforms": {
     "ios": "8.0"

Example/Pods/Manifest.lock

@@ -48,7 +48,7 @@ PODS:
     - CocoaSecurity (~> 1.2.2)
   - nv-ios-http-status (0.0.1)
   - PEAR-FileManager-iOS (1.3.1)
-  - PNObject (0.7.0):
+  - PNObject (0.7.2):
     - AFNetworking
     - CodFis-Helper
     - DJLocalization
@@ -112,7 +112,7 @@ SPEC CHECKSUMS:
   NSUserDefaults-AESEncryptor: da02cfef056f1e18ebe2748767915f08b274c9c5
   nv-ios-http-status: b6c2b5fc8656cc19e0d3000dadce2080b99d0e2f
   PEAR-FileManager-iOS: 3bc403f68a53483f5629aa822f4649e40275c4d3
-  PNObject: be02023e5a4c9a1110a569e54886dc13bfa9cb82
+  PNObject: 82e78a25ca365822eadbf9bbac66fdd76bd71370
   PureLayout: f35f5384c9c4e4479df041dbe33ad7577b71ddfb
   RZDataBinding: 00d468ebe667f02c2bd5416f87b4b5d826188c4d
   Specta: ac94d110b865115fe60ff2c6d7281053c6f8e8a2

Example/Pods/Pods.xcodeproj/xcshareddata/xcschemes/PNObject.xcscheme

@@ -14,7 +14,7 @@
             buildForArchiving = "YES">
             <BuildableReference
                BuildableIdentifier = 'primary'
-               BlueprintIdentifier = '84274C7CC82E24F33D897D97'
+               BlueprintIdentifier = '5269615F8E372917DF25E9A1'
                BlueprintName = 'PNObject'
                ReferencedContainer = 'container:Pods.xcodeproj'
                BuildableName = 'PNObject.framework'>

Example/Pods/Target Support Files/PNObject/Info.plist

@@ -15,7 +15,7 @@
   <key>CFBundlePackageType</key>
   <string>FMWK</string>
   <key>CFBundleShortVersionString</key>
-  <string>0.7.0</string>
+  <string>0.7.2</string>
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>

PNObject.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
 s.name             = "PNObject"
-s.version          = "0.7.1"
+s.version          = "0.7.2"
 s.summary          = "PNObject is a simple replica of the more complex ParseObject"
 
 # This description is used to generate tags and improve search results.

Pod/Classes/PNObject+Protected.m

@@ -42,7 +42,7 @@
         
         NSString *propertyType = [properties valueForKey:propertyName];
         
-        id mappingValue = [[[self class] objcetMapping] valueForKey:propertyName];
+        id mappingValue = [self.JSONObjectMap valueForKey:propertyName];
         
         if([mappingValue isKindOfClass:NSDictionary.class]) {
             mappedJSONKey = [mappingValue valueForKey:PNObjectMappingKey];