Fix test_parser.py to have working single-test runs, also add *.pyc to ignore list.
Fix test_parser.py to have working single-test runs, also add *.pyc to ignore list.

html5lib/html5lib-python,html5lib/html5lib-python,alex/html5lib-python,mindw/html5lib-python,alex/html5lib-python,mgilson/html5lib-python,mindw/html5lib-python,alex/html5lib-python,mgilson/html5lib-python,dstufft/html5lib-python,dstufft/html5lib-python,mgilson/html5lib-python,ordbogen/html5lib-python,ordbogen/html5lib-python,gsnedders/html5lib-python,html5lib/html5lib-python,ordbogen/html5lib-python,dstufft/html5lib-python,gsnedders/html5lib-python,mindw/html5lib-python