4.1.1: Merge pull request #191 from kevinkreiser/kk_cosmetic

• updates to work with latest version of Valhalla TYR

4.1.0: Merge pull request #190 from transitland/changeset-callbacks

• moves the source of truth for feeds and operators from GitHub-based Feed Registry, soon to be deprecated, into the Datastore API and the changeset model

4.0.0: Merge pull request #176 from transitland/feedeater-integration-tests

• Ruby-based FeedEater pipeline