Behaviour v0.1 known bugs:
forces:
	Forces are not displayed correctly. The force displayed is that of
	the timeslice before the current one.
	
parser:
	The parser error message linecount is sometimes incorrect by one line.
	This is because the lexer and parser use the same error function.
	
camera:
	The orientation and position don't behave logically. Cameras are
	generally broken and will be redone.

probably many more...	