Minor cleanups * Remove dummy functions in CLuaGameSystem Remove obsolete/undocumented/useless panel types from vgui.Create * Also duplicate entries for RichText and SpawnIcon Fixed asset://mapimage/ using wrong mime type Fixed a exit game crash to do with multirun * GrabSourceMutex calls CloseHandle, but doesn't reset the variable to NULL Fix potential issues with networking code * Investigating "GetEntServerClass failed" error