Deploy to PyPI

Deployed to PyPI on May 1st, 2019.

Instructions to the PyPI deployment.

1. Finish Dev Setup
2. Make changes and push to master
3. Update setup.py to uptick the version number
4. Run python3 setup.py sdist bdist_wheel. This will create two files in dist/ directory.
5. Create a sub-directory within dist/ for a corresponding package version. Put the two resulting files from the previous step into this sub-directory
6. Run twine upload dist/your-version-of-the-package.
7. Check the release history here: https://pypi.org/project/c4sfcensusgeocoder/#history.