- upgrade libraries

- add + (instancetype _Nonnull) formDataFromFilepath:(NSString * _Nonnull) filePath name:(NSString * _Nonnull) name fileName:(NSString * _Nonnull) fileName mimeType:(NSString * _Nonnull) mimeType;
- add + (instancetype _Nonnull) formDataFromFileUrl:(NSURL * _Nonnull) fileUrl name:(NSString * _Nonnull) name fileName:(NSString * _Nonnull) fileName mimeType:(NSString * _Nonnull) mimeType;

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

@@ -1,6 +1,6 @@
 {
   "name": "PNObject",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "summary": "PNObject is a simple replica of the more complex ParseObject",
   "homepage": "https://github.com/giuseppenucifora/PNObject",
   "license": {
@@ -12,7 +12,7 @@
   },
   "source": {
     "git": "https://github.com/giuseppenucifora/PNObject.git",
-    "tag": "1.3.3"
+    "tag": "1.3.4"
   },
   "platforms": {
     "ios": "8.0"