[Zope] Hang condition fixed

Howdy, Given some clues driven by members of the list, Evan Simpson has posted a fix to a hanging bug in Zope. This fix can be found at: http://www.zope.org/Members/tseaver/Projects/HighlyAvailableZope/SpinningDec... If you are experiencing hanging problems, please apply this patch and see if they go away. If they don't, be sure to contribute some feedback at the above URL. -Michel