Fixed chair exploit & beholder issue + Mini-dungeon revamp

Fixed an (quite amusing) exploit with map chairs stacking "extra healing" schedules on certain conditions. Fixed mini-dungeon not disposing players properly in some cases. Refactored the mini-dungeon structure. Fixed an issue on CASH inventory merging same items when trying to swap them. Fixed Beholder crash issue when trying to enter Cash Shop.

scripts/NPC Base.js

@@ -51,4 +51,12 @@ function action(mode, type, selection) {
                         cm.dispose();
                 }
         }
+}
+
+function generateSelectionMenu(array) {     // nice tool for generating a string for the sendSimple functionality
+        var menu = "";
+        for (var i = 0; i < array.length; i++) {
+                menu += "#L" + i + "#" + array[i] + "l\r\n";
+        }
+        return menu;
 }