1.99.2:
	* allow implementation (but not definition yet) of interfaces
	* enum, flags and GError creation code
	* BonoboObject stuff (Seth)
	* build fixes (me, Seth)
	* m4 preprocessing stuff (Josh Parsons)
	* Code generation fixes (Josh Parsons, Bastien Nocera, me)
	* New way of doing typesafe signal connections