Renamed variables and methods relating to the Bag, renamed $PokemonBag to $Bag, $bag.has? can now check for a minimum quantity

Data/Scripts/016_UI/001_UI_PauseMenu.rb

@@ -192,7 +192,7 @@ class PokemonPauseMenu
         item = nil
         pbFadeOutIn {
           scene = PokemonBag_Scene.new
-          screen = PokemonBagScreen.new(scene,$PokemonBag)
+          screen = PokemonBagScreen.new(scene, $bag)
           item = screen.pbStartScreen
           (item) ? @scene.pbEndScene : @scene.pbRefresh
         }