Behaviour v0.1 todo list:

	-	Introduce some form of friction between objects.
	
	-	Find a better way to model scenes, preferable through
		a GUI.
		
	-	Create some translators for Behaviour's internal
		scene format to for example POV and other formats.
		
	-	Improve the GUI for the current frontend.
	
	-	Optimize.
	
	-	Make some form of test suite to test for correctness.
	
	-	Introduce lights and cameras. Right now cameras are broken.
	
	-	...