- add new modules (zipimport, datetime, _random, bz2, _symtable)
 - build pyexpat with expat sources from Python distribution
 - regression test with and without compiled bytecode

- whitespace normalization

convenience functions isreadable() and isrecursive() work the same way
as the convenience functions.

    Pass the right number of args to .format().  (Caught by
    pychecker.)
- Protect the global namespace more carefully.
- Don't use the types module now that we don't need to.

when expected.  Only applies to the ConfigParser and SafeConfigParser
classes, not RawConfigParser.

    InterpolationError constructor, not the KeyError exception itself.
    (Caught by the new InterpolationError test.)

SafeConfigParser._interpolate_some():  Pass the right number of
    arguments to the InterpolationError constructor.
    (Caught by pychecker.)

SOUND_DEVICE_NAMES as 'control_labels' and 'control_names'.

what it is.

OSSType to OSSAudioType.

  devices(), stereodevices(), recdevices() ->
  controls(), stereocontrols(), reccontrols()

Based on recommendation of Hannu Savolainen <hannu@opensound.com>:

  The right term to use for things like bass/treble/mic/vol/etc is
  "control".

  "Device" refers to different mixer devices (/dev/mixer0 to /dev/mixerN).

  "Channel" cannot be used because it refers to mono/stereo/multich
  channels. In fact most mixer controls have left/right channels so ...

nested list.

The only thing missing now is the new date/time stuff.

I can't test this on the snake farm (no aix box is working).
This change works for the submitter seems correct.
Can anybody test this on 32- and 64- bit AIX?

- added docstring to exceptions

- document InterpolationSyntaxError

XXX Not sure this is correct.

- when the thread module isn't available, subsequent attempts to import
  threading should not suceed