From #1964: In the past, Terry has archived one of our repos in zenodo, which also assigns the version a DOI. See and review: https://zenodo.org/record/1197521#.YDfP4JNKjeQ
TO DO: see of it is possible to create archive of past releases. If so, archive all past releases of this repo
Guide for working with zenodo+github:https://guides.github.com/activities/citable-code/ and https://guides.lib.berkeley.edu/citeyourcode; also consider AC as per conversation with Libraries