(fixes bug #1119418)

Will backport to 2.4.

Will backport to 2.4.

Will backport to 2.4.

Will backport to 2.4.

even if there is an exception in later lines, resulting in
correct line numbers for decoding errors in source code. Fixes #1178484.
Will backport to 2.4.

Docs were missing the name/bases/dict form of type().

(Much of the wording contributed by Steven Bethard.)

Will backport to 2.4.

  already been computed.
* Apply a GET_SIZE macro().

VC++6 doesn't accept them.

This *will* result in tons of the following warning from gcc 3.x:
(gcc "2.96ish" doesn't issue this warning)

 warning: integer constant is too large for "long" type

the code compiles fine regardless.  squashing the gcc warnings
is the next task.

Would someone on windows please confirm that this does or does not
compile and if it does or does not pass the test_hashlib.py unit
tests.