Login bypass + MapleQuestlineFetcher

Solved an exploit where anyone (via packet editing) could be able to login as any registered character after authenticating and selecting a character.
New tool: MapleQuestlineFetcher. It reports ids from quests which quest script files were not found on the scripts folder.

src/client/inventory/Equip.java

@@ -470,7 +470,7 @@ public class Equip extends Item {
             lvupStr += "+UPGSLOT ";
         }
         
-        showLevelupMessage(showStr, c); // thx to polaris devs !
+        showLevelupMessage(showStr, c); // thx to Polaris dev team !
         c.getPlayer().dropMessage(6, lvupStr);
         
         c.announce(MaplePacketCreator.showEquipmentLevelUp());