MAutoCookieFlip On/Off ; Auto X&Y Cookie-Flip for Shapes

Sets Mildred's autocookieYFlip and autocookieXFlip On or Off. If On, any X
(horizontal) or Y (verticle) flip operations performed on a chunky Shape will
also be performed on the Shape's cookie. This command overrides any previous
seperate calls to MAutoCookieXFlip and MAutoCookieYFlip.