- update header checks, using autoconf
- provide dummies for getenv, environ, and GetVersion
- adjust MSC_VER check in socketmodule.c

Coghlan, for determining whether PyEval_InitThreads() has been called.
Also purged the undocumented+unused _PyThread_Started int.

time.strptime().

- various minor cleanups and updates.

  a Python extension, so that the curses_panel extension works.
- minor compiler switch tweak.

- more clean up of the generated import library definiton (.DEF file)
  following checking of patch 770521, and tightening of the sed regexps.

- use -O3 even with gcc 2.8.1 - worth nearly 10% with 2.3; worth
  nothing with 2.2.x.

- clean up a couple of whitespace issues introduced by a cut'n'paste.

- separate the building of the core from the wrapper executables and the
  external modules (.PYDs), based on the Py_BUILD_CORE define;

- clean up the generated import library definiton (.DEF file) to remove
  references to a number of non-static symbols that aren't part of the
  Python API and which shouldn't be exported by the core DLL;

- compile the release build with -fomit-frame-pointer, for a small
  performance gain;

- make "make clean" remove byte compiled Python library files.

the Python DLL.  this slightly improves performance; reduces
fragmentation of address spaces and slightly reduces memory footprint.

reorganise modules, so that most standard extensions are built into
the Python DLL.  this slightly improves performance; reduces
fragmentation of address spaces and slightly reduces memory footprint.

- restructure build for modules now in Python DLL

README.os2emx
- clean out old cruft no longer appropriate now that EMX port builds
  from CVS
- reflect move of modules into core DLL
- add section on building from source

- add _csv module to the build list
- various cleanups

config.c:
- various cleanups

pyconfig.h:
- various cleanups