Fix for a rare but fatal sleeping/contact graph bug.
fixing up the comments
clarifying comments
Better fix for the sensor/sleeping bug
Added a few website TODO things to the list.
Fix for activating a sleeping body from a callback that also adds an arbiter.
Merge branch 'master' of github.com:slembcke/Chipmunk-Physics
Bumping version numbers
Adding a new warning assertion
Merge remote-tracking branch 'main/master'