v0.3.3

What's Changed

• Use pool_pre_ping for postgres connections by @fleupold in #128
• HotFix: PG to PG is empty bug by @bh2smith in #130
• PG Dict to JSON by @bh2smith in #132
• Improve Coverage & Fix Some Bugs by @bh2smith in #133
• Fix Asyncio Test Warnings by @bh2smith in #134

Full Changelog: v0.3.2...v0.3.3