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/test/test_struct.py b/Lib/test/test_struct.py
index 34596e0..23358be 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -506,8 +506,8 @@
         deprecated_err(struct.pack, endian + 'B', 300)
         deprecated_err(struct.pack, endian + 'H', 70000)
 
-        deprecated_err(struct.pack, endian + 'I', sys.maxint * 4)
-        deprecated_err(struct.pack, endian + 'L', sys.maxint * 4)
+        deprecated_err(struct.pack, endian + 'I', sys.maxsize * 4)
+        deprecated_err(struct.pack, endian + 'L', sys.maxsize * 4)
 
 if PY_STRUCT_RANGE_CHECKING:
     test_1229380()