Reviewed by Marc-Andre Lemburg.

Reviewed by Benjamin Peterson.

Reviewer: Georg Brandl, Benjamin Peterson

Reviewer: Gregory P. Smith

escaped.

be compatible with Python 3.0, also.

  http://www.jcea.es/programacion/pybsddb.htm#bsddb3-4.7.3

of issue #3720.

exception afterwards (for a subsequent parameter), the user code will
not call PyBuffer_Release() and memory will leak.

Reviewed by Amaury Forgeot d'Arc.

match Python 2.5 speed despite the __instancecheck__ / __subclasscheck__
mechanism. In the process, fix a bug where isinstance() and issubclass(),
when given a tuple of classes as second argument, were looking up
__instancecheck__ / __subclasscheck__ on the tuple rather than on each
type object.

Reviewed by Benjamin Peterson and Raymond Hettinger.

affects some buildbots.

R=Brett
TESTED=./python -E -tt ./Lib/test/regrtest.py test_multiprocessing

Add some test coverage to this code.  More tests should be added (TODO added).

R=Brett
TESTED=./python -E -tt ./Lib/test/regrtest.py test_multiprocessing

Clarify that some attributes/methods are listed somewhat separately because they are not part of the threading API.

TESTED=./python -E -tt ./Lib/test/regrtest.py test_fileio
R (approach from bug)=Amaury and Benjamin