Merge remote-tracking branch 'upstream/master' into physics_api_fix_2012-03-11
Users might want to use the "table" module :)
Merge remote-tracking branch 'upstream/master' into physics_api_fix_2012-03-11
Fixed minor issue.
Merge branch 'physics_api_fix_2012-03-11' of https://github.com/productivememberofsociety666/Blitwizard into physics_api_fix_2012-03-11
Merge branch 'physics_api_fix_2012-03-11' of https://github.com/productivememberofsociety666/Blitwizard into physics_api_fix_2012-03-11
Fixed zero mass thing and added functions for setting world gravity.