Multi World NPCs + patch on Player interactions

Made NPCs now work properly on multiworld system. Solved multiple issues
regarding Player Shops not giving back items properly when owner exits.
Added restriction on changing channels at FM rooms, preventing shop
owner entering Cash Shop.

scripts/npc/2132000.js

@@ -0,0 +1,10 @@
+/* Author: aaroncsn(MapleSea Like)(Incomplete)
+	NPC Name: 		Kanderun
+	Map(s): 		Elin Forest:Entrance to Rocky Mountain(300010400)
+	Description: 		Unknown
+*/
+
+function start(){
+	cm.sendOk("Hmmm! For you to make your way here, far away from the Camp, you must be one strong individual. Let's explore new areas and find a place to establish our own town!!");
+	cm.dispose();
+}