Avi Bryant wrote:
> It's a hard problem in general, but dealing properly with class renames 
> isn't all that hard - we just need to track classes by some kind of 
> unique ID (which we assign the first time we see them and maintain from 
> then on) rather than by name.  This would be a very shallow change to 
> MC, and even making it backwards compatible shouldn't be *that* hard.

Please do. This is one of the primary show-stoppers.

Cheers,
   - Andreas