Tweak to make ChordEntity easier and fix flakey ChordSpec
Merge pull request #384 from ambiata/topic/chord-spec-tweak

Tweak to make ChordEntity easier and fix flakey ChordSpec
Added snapshot with V0 to data-regression
Added another ingest with V0
Minor adjustments
Spec to check that incrementals get used
Tidying up incremental snapshotspec
Merge pull request #372 from ambiata/topic/data-regression-snapshot

WIP: Adding snapshot with V0 to data-regression
Ensure indexing by feature id is consistent throughout.

+ some missing test.