csv was handling non-string keys fine except for the error message
generated when a non-string key was not in 'fieldnames'.

Fix by Tomas Grahn, full patch-with-test by Vajrasky Kok (tweaked slightly).

Also, add a link to the Babel package.

The zlib and hex codecs throw custom exception types with
weakref support if the input type is valid, but the data
fails validation. Make sure the exception chaining in the
codec infrastructure can wrap those as well.

The utf-16* and utf-32* encoders no longer allow surrogate code points
(U+D800-U+DFFF) to be encoded.
The utf-32* decoders no longer decode byte sequences that correspond to
surrogate code points.
The surrogatepass error handler now works with the utf-16* and utf-32* codecs.

Based on patches by Victor Stinner and Kang-Hao (Kenny) Lu.

This will be merged into default when PEP451 is merged in.  See
changeset 5d38989191bb in features/pep-451

to avoid reporting success on empty tests.

exists in 3.4 but apparently wasn't done for 3.3).

the PyAccu API

On Windows, a factor of 50% gives best performances.

reference counter of stgdict after result stole a reference to it

KeepRef() decreases the reference counter of its 'keep' parameter on error

http://buildbot.python.org/all/builders/AMD64%20Windows%20Server%202008%20%5BSB%5D%203.x/builds/1649/steps/test/logs/stdio

======================================================================
FAIL: test_wait_for_handle (test.test_asyncio.test_windows_events.ProactorTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "E:\home\cpython\buildslave\x64\3.x.snakebite-win2k8r2sp1-amd64\build\lib\test\test_asyncio\test_windows_events.py", line 112, in test_wait_for_handle
    self.assertTrue(0.18 < elapsed < 0.22, elapsed)
AssertionError: False is not true : 0.25

on a system with SO_REUSEPORT defined in the headers but run on a system
with an OS kernel that does not support that reasonably new socket option.

Fix a compiler warning on Windows 64-bit

portable