[Cython] Should we drop support for CPython 2.3? (and maybe even 2.4?)

[Stefan Behnel]

David Cournapeau, 30.07.2011 10:52:
> Python 2.4 is still surprisingly
> common. Working around it for C extensions can be pretty daunting.

The same applies to Cython, obviously, although I do see the advantage of 
doing it in one place, and specifically in Cython, instead of dropping it 
on the users.

Stefan