Remove some useless comments (redundant, or info presumably available in PyUnit docs).
* lowercase test*() methods * define test_main() and use it instead of unittest.main() Kill #! line. Improve some test names and docstrings.
<peter@engcorp.com> based on a test script that's been kicking around my home directory for a couple of months now and only saw the light of day because I included it when I sent textwrap.py to python-dev for review.
