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/sys.rst b/Doc/library/sys.rst
index 97f94aa..3fc86e4 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -365,11 +365,12 @@
    etc.)
 
 
-.. data:: maxint
+.. data:: maxsize
 
-   The largest positive integer supported by Python's regular integer type.  This
-   is at least 2\*\*31-1.  The largest negative integer is ``-maxint-1`` --- the
-   asymmetry results from the use of 2's complement binary arithmetic.
+   An integer giving the size of ``Py_ssize_t``. It's usually 2**31-1 on a 32
+   bit platform and 2**63-1 on a 64bit platform.
+
+   ..versionadded:: 3.0
 
 
 .. data:: maxunicode