[mod_python] cache.py Cache.__delitem__ bug

This may have been reported before, but I think there's a bug in  
cache.py where deleting a cached entry breaks the cache queue linked  
list.
Reported at the bottom of:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302997

I guess it looks like cache.py isn't really used in 3.3, but if  
you're distributing it for compatibility purposes, perhaps it's worth  
noting.

Also, I was wondering if the mod_python project has a roadmap for  
future development. Has developer focus switched to mod_wsgi?

Thanks,
Jambor