fixing odd behaviours of menus that came up with the new destroy() usage pattern
adding a clean script, seem to be using the Finder too much
removing a stray debugger line
making changes, menus now can be duplicated too "from dead" (just like menu items)
making the speech bubbles to behave - they were popping up on invisible morphs before
simplifying popUpAtHand and pickUp methods invocation. No params needed.
make a particular look resistant to finding nulls
fixing the "destroyAll" method of the world morph which wasn't resetting the counts properly