Added a cPlayer:RemoveFromGroup() so players can be removed from groups programmatically
Added a cClientHandle:SetUsername to be used by Lua. I'm curious what ThuGie can do with his plugin.
git-svn-id: http://mc-server.googlecode.com/svn/trunk@978 0a769ca7-a7f5-676a-18bf-c427514a06d6