Returning values within a generator expression throw error and makes server initialization fail.
Merge pull request #17 from hlmnrmr/return-inside-generators-issue

Server initialization fails with "SyntaxError: 'return' with argument inside generator"
fix(ingest): Don't count updates of already ingested content.
Implement datalayer which can switch backend based on resource config.

SDUX-64
Implement ingest and archive apis based on items.

Create 2 separate endpoints with separate storages for same item type.

SDUX-56
Make archive api public.