0.1.6:
   -Fullscreen mode (Options menu or F key)
   -Help screen is available while playing (F1 or H key)
0.1.5:
   -Highscores
   -Help screen
   -Now contains 7 levels
0.1beta2:
   bugfixes:
   -Edit mode: first level timelimit is displayed correctly
   -Memory leak fixed
0.1beta1:
   major changes:
   -Edit mode
   -Reload tool
