0.9.4 - POSTGRESQL !!!

Ensure Postgresql schema is used on data append

During inejction of data store results into Postgresql no verifications on the datatypes were executed, now we add a check and tentative conversion of types to existing schema if target table exists on append mode

• 0.9.4 by @neomatamune in #52

Full Changelog: 0.9.3...0.9.4