projectiles explode when they hit objects
COLLIDES_WALLS and _OBJECTS are now back in fisix, rather than self
Merge branch 'master' of https://github.com/Bradshaw/froglick
Merge branch 'master' of https://github.com/Bradshaw/froglick
gun don't kill people SPLOSIONS do
Merge branch 'master' of https://github.com/Bradshaw/froglick