Removed Gtk types and replaced with Byte Ptr glue.

git-svn-id: http://maxmods.googlecode.com/svn/trunk@1653 b77917fb-863c-0410-9a43-030a88dac9d3
Added missing includes.

git-svn-id: http://maxmods.googlecode.com/svn/trunk@1654 b77917fb-863c-0410-9a43-030a88dac9d3