timer.Update passes its arguments to other timers (like delta time)
improved type check performance
improved mouse delta
fixed poly.SetRect rotation
cleanup
more work on particle emitter
added EMITTER:AddParticle(...) for manual emission
added 2d camera
refactoring
removed culling for now
forgot to include particles
added jit.p (profile module)
love2d spritebatch now works
added _version_major field to love
more tests