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/1204001.js

@@ -0,0 +1,23 @@
+/*
+ * NPC : Francis (Doll master)
+ * Map : 910510200
+ */
+
+var status = -1;
+
+function action(mode, type, selection) {
+    if (mode == 1) {
+    	status++;
+    } else {
+    	status--;
+    }
+    if (status == 0) {
+    	cm.sendNext("I'm Francis, the Puppeteer of the Black Wings. How dare you disturb my puppets... It really upsets me, but I''ll let it slide this time. If I catch you doing it again though, I swear in the name of the Black Mage, I will make you pay for it.", 9);
+    } else if (status == 1) {
+    	cm.sendNextPrev("#b(The Black Wings? Huh? Who are they? And how is all this related to the Black Mage? Hm, maybe you should report this info to Tru.)#k", 3);
+    } else if (status == 2) {
+		cm.startQuest(21760);
+		cm.warp(105040200, 3);//104000004 
+		cm.dispose();
+    }
+}