Update Readme to reflect new feature

Author: rubengees

README.md

@@ -30,15 +30,15 @@ The `ProxerConnection` class provides static methods to retrieve Java representa
 
 #### The `execute()` method
 
-The request will automatically happen on a worker thread, thus not blocking the UI. You will mostly use this. The result is delivered through the [EventBus library] (https://github.com/greenrobot/EventBus). Each type of a result has an event, either a normal `IEvent` or an `ErrorEvent`.
+The request will automatically happen on a worker thread, thus not blocking the UI. You will mostly use this. The result is delivered through the [EventBus library] (https://github.com/greenrobot/EventBus). Each type of a result has an event, either a normal `IEvent` or an `ErrorEvent`. Note: All events are postet sticky to make it possible to cache them also in the gab between `onStop()` and `onStart()` in which your class is not registred. You are responsible for cleaning sticky events once you don't need them anymore
 A simple query for the news might look like this:
 
 ```java
 @Override
 public void onStart() {
     super.onStart();
 
-    EventBus.getDefault().register(this);
+    EventBus.getDefault().registerSticky(this);
 }
 
 @Override
@@ -53,6 +53,9 @@ public void loadNews(int page){
 }
 
 public void onEventMainThread(NewsEvent result) {
+    //Remove sticky event as it is not needed anymore
+    EventBus.getDefault().removeStickyEvent(result);
+
     //Update UI
 }
 ```

library/build.gradle

@@ -21,7 +21,6 @@ dependencies {
     compile 'de.greenrobot:eventbus:2.4.0'
 }
 
-
 task sourcesJar(type: Jar) {
     from android.sourceSets.main.java.srcDirs
     classifier = 'sources'