Implemented EXPERIMENTAL DBCP (connection pool), trying to improve
concorrent access to DB. Added door portals on Kerning Square. Fixed
equipments getting stat overflow when upgrading stats. Fixed expiring
pets crashing the client in some cases.
Reworked many aspects of the Malaysia/Singapore region (added DB data,
enabled Latanica & Scarga expedition, fixed maps). Fixed some issues
related with player warping.