[Python-3000] PyInt_ to PyLong_ rename

[Christian Heimes]

Guido van Rossum wrote:
> OK, with sys.maxsize as the logical replacement, it can go. Make sure
> to fix everything that breaks before submitting though!

I've removed sys.maxint and replaced sys.maxint with sys.maxsize. Does
anybody see a problem with the Windows 64bit platform? AFAIK it's the
only platform where sys.maxint != sys.maxsize.

Christian