Replace Twill with Chino in class names.
Strip trailing whitespace.
Remove commands we are not caring about.
Just return the match objects.
Remove stuff we do not care about.
Clean up __init__.
Remove __version__ from __init__.

I can not remember to update it, so better not have it than have
it wrong.
Remove unused import.
Move utility function where it belongs.
Remove unused options.
Ignore vim work-files.
Remove fix for long-dead Python.
Remove fix for bug we don't have.
Move utils into modules that use them.
Delete dead code.
Remove stupid.
Remove more code that we do not care about.
*This* deserves a new version.