* collision filters
* receive collision point on collision cb
* valgrind supp
* EPhysics_Constants
* Sandbox tools to try different materials / properties
* camera
* create shape from image
* simple game using ephysics
* set best shape based on evas object
* optimize collision shapes usage
* deform objects
* improve docs
* run simulation on other thread

FAR FAR FUTURE:
* support Box2d backend
* support Chipmunk backend