Removed PyInt_GetMax and sys.maxint
I replaced sys.maxint with sys.maxsize in Lib/*.py. Does anybody see a problem with the change on Win 64bit platforms? Win 64's long is just 32bit but the sys.maxsize is now 2**63-1 on every 64bit platform.
Also added docs for sys.maxsize.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 7c7442b..54b52e4 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -235,7 +235,7 @@
 
       def islice(iterable, *args):
           s = slice(*args)
-          it = iter(range(s.start or 0, s.stop or sys.maxint, s.step or 1))
+          it = iter(range(s.start or 0, s.stop or sys.maxsize, s.step or 1))
           nexti = next(it)
           for i, element in enumerate(iterable):
               if i == nexti: