Archival release: pre-refactoring in 2017

This release is intended for archival purposes only (we should have created it back in May 2017!)

It marks the point in the repository before @Islast started work on her Mozilla Science Lab funded project to refactor the code into a python package.

Archival release: pre-big refactor in 2018

This release is intended for archival purposes. It it a saved point in time before we merge the work that @Islast has done refactoring the code to add documentation, update the testing suite and package the code for release via pypi.