0.3.2-RC3

What's Changed

• Feature/510 modularize by @kdhrubo in #517
• Feature/510 update exception by @kdhrubo in #518
• #510 - extract rdbms by @kdhrubo in #519
• #510 - further separation into dialects by @kdhrubo in #523
• mongodb patch operation by @souravroy in #522
• Feature/510 mongo module by @kdhrubo in #525
• Feature/510 making release ready by @kdhrubo in #526
• Feature/510 making release ready by @kdhrubo in #527
• #510 - rc3 fix version all by @kdhrubo in #528

Full Changelog: 0.3.1-FIXED...0.3.2-RC3