2009/04/09 Setting the Animation of Jumping does not always work correct

2009/04/10 Random numeric type-errors
 - 2009/08/19 Solved. The Problem were Objects that were drawn too
   far away from the screen. Now I am clipping again, hopefully, this
   time clipping works correctly.

2009/08/04 Jumping after falling down from a stone is possible
- 2009/08/20 Fixed

2011/01/02 Background not implemented

2011/01/02 A lot of deprecated stuff in the code must be cleaned

2011/03/22 Leveleditor can only be called once