Update README.md

Author: Olga Danylova

README.md

@@ -1,7 +1,7 @@
 Backendless SDK for iOS (http://backendless.com)
 ---
 
-# Version 4.0 Beta 12
+# Version 4.0 Beta 13
 > For the instructions for version 3.x of the library, see [Backendless 3.x Getting Started Guide](https://backendless.com/mobile-developers/quick-start-guide-for-ios/ "Backendless 3.x Getting Started Guide")
 
 ## GETTING STARTED WITH BACKENDLESS
@@ -28,14 +28,17 @@ To create a new project with CocoaPods, follow the instructions below:
 3. Create a Podfile. This can be done by running `pod init`.
 4. Open your Podfile with a text editor, and add the following
 ```
-pod 'Backendless', '4.0b12'
+pod 'Backendless', '4.0b13'
 ```
 5. Save Podfile, return to Terminal window and run `pod install` and `pod update`. Once all of the pod data is downloaded/updated, Xcode project workspace file will be created. This is the file you must open when working on your app.
 6. Open .xcworkspace file to launch your project.
 7. If you use Swift, it is necessary to add a bridging header file. Navigate to "Build Settings -> Swift Compiler ... -> Objective-C Bridgeing Header" and add the following:
 `${PODS_ROOT}/Headers/Public/Backendless/Backendless-Bridging-Header.h`
 
 ## RELEASE HISTORY
+4.0b13 June 23, 2017
+* The findById method called in UserService returns BackendlessUser
+
 4.0b12 June 21, 2017
 * PushPolicyEnum changed to PublishPolicyEnum and now supports the PUSH, PUBSUB and BOTH delivery options