Modified Blitzwelt

This is a modified version of blitzwelt. You
have more enemies and levels, and the controls have changed.

Controls
========
Up | Jump
Down | Go down
Left | Go left
Right | Go right
Space | Fire to right
L | Load Levelset
C | Modify Level (but here without uploading)

Levelsets
======
jann (10 Levels)
jann2 (7 Levels)
jarer (7 Levels)
hard (5 Levels)
other (5 Levels)

Changelog
=========
#01 Bugfix aganist uncloseable Popup
#02 Extension of #1, for Level Editor