and cleanups in Objects/longobject.c.  The most significant change is that
longs now use less memory:  average savings are 2 bytes per long on 32-bit
systems and 6 bytes per long on 64-bit systems.  (This memory saving already
exists in py3k.)

the linker options correctly.

rotating the object pointer by 4 bits to the right.

  supporting objects as input no matter how it was compiled (built in
  implementations or external openssl library).
(backported from a py3k branch)