old-style CoreFoundation.h.

  the --with-suffix=.exe, but it seems that that is also true for cygwin
  (or not? should I automatically set it?)
- Got --with-next-framework to build on OSX. This is only the build bit,
  the install still has to be done manually. Moreover, the Python build order
  isn't really suited to frameworks (where you want to do 'build lib',
  'install lib and framework', 'link executable against installed framework'
  in that order).

Removed: it doesn't work anymore, and it wasn't all that useful anyway. The FrameWork testcode shows similar functionality.

Added an optional (and ignored) 3d parameter to open() to make the signature compatible with posixmodule.
Added the various O_ constants (by stealing the code from posixmodule).

test_fileinput now passes.

Removed duplicate definnitions of PyObject_AS_GC and PyObject_FROM_GC (occurred only if GC was off).

summary of the preceding choices.  No idea if this is "the right way" to
do it, but it's exactly painful enough to make me suspect it's the only
way <wink>.

Since getnameinfo is not implemented, remove __APPLE__ check here.

for keys that are not in the dictionary.

get() method; just calling them is sufficient.  (There was a get() method
for this in an early version of the implementation.)

Reported by Mats Wichmann.

as the callable, so use more flexible language.

documents do not make an overly-strong assertion about the properties of
RE concatenation.

Add an example of RE{m,} syntax and what it will and will not match.

fragments when discussing equivalence of thhe C API to what a Python
programmer sees.

Added descriptions of PyEval_SetProfile() and PyEval_SetTrace().

rewrite_file():  Delete both .pyc and .pyo leftovers, and explicitly close
the new source file after writing to it.