Use re.escape instead of hand-rolling
Merge pull request #41 from bukzor/re_escape

Use re.escape instead of hand-rolling
Kill CheetahWrapper.  Closes #6.
Merge pull request #42 from bukzor/kill_cheetah_wrapper_6

Kill CheetahWrapper.  Closes #6.
More pyflakes fixups.
Merge pull request #43 from bukzor/more_pyflakes_fixups

More pyflakes fixups.
WIP (python3)