BSD-style OS'es.  Makes sense, really.

'verify' iff it's used by a test module...

and replaces them with a new API verify(). As a result the regression
suite will also perform its tests in optimization mode.

Written by Marc-Andre Lemburg. Copyright assigned to Guido van Rossum.

Fix a minor stylistic nit.

This closes SourceForge bug #117032.

Let's hope this is correct (I'm not sure why the sys.platform would be
'Darwin1.2' rather than 'darwin1', which seems to be the convention).

Someone with Darwin please test this!

structure (same as AIX).

-- tg@FreeBSD.org

and Jacques Vidrine.

Solaris and Linux: use os.O_NONBLOCK.

'verbose' flag ala GvR updated test harness architecture.

Old way:

	verbose = 0
	if __name__ == '__main__':
		verbose = 1

New way:

	from test_support import verbose

Some other small readablility and functionality updates.