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/Lib/zipfile.py b/Lib/zipfile.py
index 97f639d..b274682 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -428,7 +428,7 @@
            read a whole line.
         """
         if size < 0:
-            size = sys.maxint
+            size = sys.maxsize
         elif size == 0:
             return b''