v0.02 release notes
bugfixes:
 - fixed a bug where menus would have options still highlighted if reloaded
structure:
 - cleaned up code (especially main)
 - added a menus with
  - interactive buttons that all have the same textsize
  - starbackground
 - added a few new attributes to weapon and ships
 - added a shop with upgrades available for purchase
content added:
 - 1 weapon
 - 3 enemies
 - 2 levels
 - mainmenu, levelmenu and startmenu

v0.01b release notes
stucture:
 - arcade game engine featuring 
  - collision detection
  - sounds
  - ship with difficult handling
 - load from file levels, enemies weapons and ships
 - level generator
  - requires only minimal information
  - enemies will come in one of 5 beautiful wavetypes
 - HUD with Energy-bar, HP-bar, gold-, exp- and highscoredisplay
content:
 - 5 weapons
 - 3 enemies
 - 1 Usership
 - 1 HUD artworks
 - 1 level