NeoPHP v4.19.0 - Persistent PDO Connections

v4.19.0

• docs: update ROADMAP (5669e0b)
• docs: document persistent connections and transaction leak warning (2a9481c)
• feat: add persistan option key (4ffd28c)
• feat: support persistent PDO connections via config option (2182fdf)

What's Changed

• Feat/persistent pdo connections by @BenjiLeLoustik in #191

Full Changelog: v4.18.2...v4.19.0