Original commit message from CVS:
2005-09-01 Andy Wingo <wingo@pobox.com>
* examples/Makefile.am (examples_DATA): Dist fixer.
* examples/debugslider.py: Renamed from debug-slider.py so it can
be imported.
* examples/pipeline-tester: Add a debugslider.
* pygst.py.in (require): If pygst.require() is called multiple
times, don't pollute sys.path with unneeded path entries.