[Python-Dev] Adding PEP consistent aliases for names that don't currently conform

[Eric Smith]

> We need a really long lead time before we can remove these. I
> recommend starting with a *silent* deprecation in 3.1 combined with a
> PR offensive for the new names.

I think the old names basically have to live forever in some way, due to 
loading old pickles. Remember the problems we had when we tried to 
restructure the library in 2.6?