Fixed some oddities with other player clients when dealing with summons
(spawning, taking damage or attacking). Fixed damage dealt to player not
apearing if the player is a GM on hiding and other players in the area
are GMs as well.
Fixed an issue that would let a player to delay or anticipate the next
map hpDec proc in certain conditions. Implemented mechanic that enables
the DB save of expiration times for quests that needs this.
Implemented Guild PQ. Fixed a problem introduced earlier where negative
EXP would be deemed as "integer overflow", provoking many game breaking
issues as result.
Added the PIN feature. Fixed ranking now calculating ranks now
world-based instead of overall. Rebalanced equip exp gain and made
cosmetic equipments no more leveling up (cosmetics leveling up are
useless).
