more robust handling of renaming for stacks, boxes
more robust handling of renaming for stacks, boxes

walterbender/AmazonasTortuga,walterbender/turtle3D,walterbender/turtleart,walterbender/turtleartmini,AlanJAS/turtleart,walterbender/turtleflags,walterbender/turtleconfusion