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.
Fixed some bugs regarding dojo, updated drop data, minor tweaks on
Mystic Doors, added expeditions for Showa Manor, Zakum and Pink Bean,
smart search for item slots on quest/npc rewarding system, attempt on
boss HPbar to focus on player's current target, quests with selectable
rewards now hands the item correctly, after the first PQ instance next
ones are loaded more smoothly.