Drop ez_setup script.
Replace pep8 and pyflakes with flake8
Update readme to install via pip.
Add an explicit LICENSE file.
Cosmetic fixes.
Factor parser creation.
Bump version.
Use argparse.
Single-source version and style fixes to setup.py.
Use argparse aggressively.

* Use vars to convert Namespace to dict.
Remove coding labels.
Remove main from __init__.
Add gitignore.