Merge branch 'math'
We now have vector classes, use these instead of adding location classes
Cleanup/Enforce Game object on Event

Signed-off-by: Chris Sanders <zidane@outlook.com>
Add simple GameRegistry interface

Remove un-needed exception
Add getting an identifier by obj

Signed-off-by: Chris Sanders <zidane@outlook.com>
Merge remote-tracking branch 'upstream/master'