anchor.diff:      _controller = new StreamController<String>(onListen: _onListen, onPause:
           _onPause, onResume: _onResume, onCancel: _onCancel);
     }
  +  
     /**
      * This methode can only be used by the [StateManager]'s object.
      * 
  
positive.code: 
    StreamController<String> _controller;
    String _name;
    /**
     * The next state's name.
     * 
     * **Important:** You can controll where you want to go with this member.
     */
    String nextState;
    /**
     * Acces to the main game object.
     * */
  
negative.code:   void endState() {
      _controller.add(_PAUSE);
    }
    
    /**
     * This kills that state, so you can not return back to this state
     * */
  