
TODO
  - save/load state
  - cutscenes (partly done)
  - sound (partly done)
  - smarter rendering code (ie. dirty blocks...) (partly done)
  - continue/abort screen (rely on cutscene player)
  - enum Piege flags
  - music
  - split code into more classes
	* Collision: Game
	* Piege: Game
	* Game: Menu, Collision, Piege, SystemStub, Resource, Video
