more work on compatibility with old MIt** implementation
more work on compatibility with old MIt** implementation

shrtcww/pymel,david-lassonde-adsk/pymel,leonsooi/pymel,assumptionsoup/pymel,leonsooi/pymel,assumptionsoup/pymel,juggernate/pymel,david-lassonde-adsk/pymel,AtonLerin/pymel,juggernate/pymel,shrtcww/pymel,cgrebeld/pymel,AtonLerin/pymel