Event disposing patch + Papulatus rework + V. scroll exploit patch

Solved issues with PQs/events in progress not disposing properly party leavers (warping them out of the event maps).
Solved issues with cleared PQs/events disposing players unproperly when leaving or disbanding the party.
Reworked Papulatus battle now working as an event instance, similar to how Capt Latanica battle is dealt.
Fixed a possible PE exploit with Vega's scroll.

scripts/event/0_EXAMPLE.js

@@ -62,6 +62,10 @@ function playerExit(eim, player) {
     // Do something with the player right before disbanding the event instance.
 }
 
+function playerLeft(eim, player) {
+    // Do something with the player right before leaving the party.
+}
+
 function changedMap(eim, player, mapid) {
     // What to do when player've changed map, based on the mapid.
 }