v0.2.15

• API functionality to get the raw URL for a data source (#457)
• LQ scan / filtering simplification to speed up writes / Singer loads (#464, #489)
• API functionality for Airbyte support (AirbyteDataSource class, #493)
• Speed up sgr cloud load by bulk API calls (#500)

Full set of changes: v0.2.14...v0.2.15