PyLit-3 Maintenance, Love and Care

The PyLit tool dates from 2009. Here's a historical reference: http://wiki.c2.com/?PyLit It was Python 2. It had some minor problems. I forked it and cleaned it up for Python 3. Then I set it aside for a few years (six or so.) Dusting it off. Rearranging things. The legacy Python 2 version -- it appears -- is gone forever. The current thing available in PyPI doesn't even download and install on a modern Python because the metadata makes it look like it won't be compatible with a Python 3.7 world. So. That needs to be fixed. And while I'm at it... - Add tox support for Python 3.5, 3.6, and 3.7 properly. - Restructure the docs to use Github Pages from master/docs. - Get the download squared away so pip install will work. - Use pathlib. - Start down the road toward type hinting. Which will likely exclude py35 support. I may, as part of type hinting, be forced to make some more changes to the essential structure of the app(s). For now, I simply need to get it to be pip installable.

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