Demo for collisions detection has been copied from spinning-shapes and extended by statistics about collision detection
Encapsulates determination of potential collision pairs
Introducing shape objects which enables to plugin your own shapes for collision detection
Merge branch 'collision-shapes' into quadtree
collider.isColliding checks objects not the same
Remove uncollision functionality
Update left right space demo to do its own uncollisions
Update spinning shapes to do their own uncollisions
Minify
Remove mentions of uncollision() from docs
Fix test to pass different objs to isColliding

* Otherwise fn returns false because the objects are the same in memory.
v. 0.5.0
Fix typo in docs
v. 0.5.1
Fix left right space to destroy ALL asteroids in group
v. 0.5.2
Unnecessary call to concat?
Merge branch 'cdosborn-patch-1'
Minify
v. 0.5.3