Änderungen

Summary

1. implement collision, add cine and selector builders (details)

Commit fd5838f84fe4606e1dd616bab6123d32ed0f62ed by frotty implement collision, add cine and selector builders
	wurst/physics/Collision.wurst (diff)
	wurst/physics/PhysicsEntity.wurst (diff)
	wurst/player/Selector.wurst
	wurst/player/CineBuilder.wurst