cdplayer.py: It is now also possible to give the CD's TOC as argument
to init().  The TOC is a string consisting of 2 digits giving the
number of tracks and then for each track the length of the track as
number of minutes and number of seconds (2 digits each).

cddb.py: Interface to the .cddb directory.  Usage is the same as for
cdplayer.py.

Adapt to new, stricter, rules for argument passing.

* Many modules: fixes for new, stricter, argument passing rules
  (most changes were automatic ones -- not all of this is tested!).
* gwin.py: now uses mainloop.py for its main loop and window admin.
* mainloop.py: always call dispatch() with event as a tuple!
* Fix bug in pdb's 'clear' command -- don't set the bpt but clear it!

functional)

Real important: turn off FIELDDROP in Vrec.

converted socket() to use of getargs().

(testing operations on built-in types) and autotest.py (automatic
regression testing).

  for exception before using it.  Fixed a few other places where the
  outcome of calling sq_length wasn't tested for exceptions
  (bltinmodule.c, ceval.c).

  embryonic facility for pseudo-modal dialogs.
* stdwinevents.py: added modifier masks for key/mouse events
* renamed exceptions in nntplib.py
* Changed string.join() to call string.joinfields() to profit of
  strop.joinfields()

* Makefile: change default source directory
* socketmodule.c: added getsockname and getpeername
* bltinmodule.c: corrected typo in type() error message
* Added new built-in functions str() and repr(): repr(x) == `x`;
  str(x) == x if x is a string, otherwise str(x) == repr(x).
* Added joinfields to stropmodule.c (string.join calls joinfields now)