* Remove the usage of `CREATE SCHEMA IF NOT EXISTS' for compatibility (Raymond Feng)

 * one-line fix for #51 (Andrey Loukhnov)

 * basic tests for PR #53 (Andrey Loukhnov)

 * basic tests for PR #54 (Andrey Loukhnov)

 * provide database column default values via Loopback model description (Andrey Loukhnov)

 * autocreate schema if it does not exist during migration/update (Andrey Loukhnov)

 * Use connection pooling from the driver (Raymond Feng)