v7.2.0

Changes from v7.1.0:

• Add default key and value determination for lookup verb. The default keys are now all columns with matching names. The default values are all columns in the secondary table whose names do no match any columns in the primary table. (#379)
• Tighten table expression type signature.
• Update lookup verb types and documentation.
• Update dependencies.

Full Changelog: v7.1.0...v7.2.0