fix warnings and some reloading issues

modules/game_outfit/outfit.lua

@@ -126,6 +126,8 @@ function Outfit.terminate()
   disconnect(g_game, { onOpenOutfitWindow = Outfit.create,
                        onGameEnd = Outfit.destroy })
   Outfit.destroy()
+
+  Outfit = nil
 end
 
 function Outfit.create(creature, outfitList)

modules/game_outfit/outfit.otmod

@@ -4,6 +4,9 @@ Module
   author: OTClient team
   website: https://github.com/edubart/otclient
 
+  dependencies:
+    - game
+
   @onLoad: |
     dofile 'outfit'
     Outfit.init()