Added support for HotKey events.

git-svn-id: http://maxmods.googlecode.com/svn/trunk@1657 b77917fb-863c-0410-9a43-030a88dac9d3
Lowered strictness to match MaxGUI.

git-svn-id: http://maxmods.googlecode.com/svn/trunk@1658 b77917fb-863c-0410-9a43-030a88dac9d3