format
cleanup
cleanup CWorm::ChangeGraphics()
cleanup CGameSkin::getColor(), not used

only CGameSkin::getDefaultColor() is used
cmd getWormSkin: use default pixel format
cleanup
cleanup: CGameSkin: RemoveColorization -> ColorizeDefault
security check
cleanup
cleanup. move impl to cpp
cleanup for CWorm::setColour commands
TODO comment
fix CGameSkin::Colorize and color updates