Random grammar fixes + fixes crash while using morning sun & moonlight in some indoor maps

Data/Scripts/050_AddOns/New HMs.rb

@@ -85,7 +85,8 @@ end
 
 ############### MORNING SUN / MOONLIGHT
 HiddenMoveHandlers::CanUseMove.add(:MORNINGSUN,proc{|move,pkmn|
-  if !GameData::MapMetadata.get($game_map.map_id).outdoor_map
+  mapMetadata = GameData::MapMetadata.get($game_map.map_id)
+  if !mapMetadata || !mapMetadata.outdoor_map
     Kernel.pbMessage(_INTL("Can't use that here."))
     next false
   end
@@ -107,7 +108,8 @@ HiddenMoveHandlers::UseMove.add(:MORNINGSUN,proc{|move,pokemon|
 })
 
 HiddenMoveHandlers::CanUseMove.add(:MOONLIGHT,proc{|move,pkmn|
-  if !GameData::MapMetadata.get($game_map.map_id).outdoor_map
+  mapMetadata = GameData::MapMetadata.get($game_map.map_id)
+  if !mapMetadata || !mapMetadata.outdoor_map
     Kernel.pbMessage(_INTL("Can't use that here."))
     next false
   end

Data/Scripts/999_Main/999_Main.rb

@@ -30,6 +30,8 @@ def handleReplaceExistingSprites()
   when 0 #Do not import
     pbMessage("You can manually sort the new sprites in the /indexed folder to choose which ones you want to keep.")
     pbMessage("You can also delete the ones you don't want to replace the main sprites and restart the game.")
+    pbMessage("Keep in mind that the game will take longer to load until these sprites are imported/removed.")
+
     return
   when 1 #Replace olds
     spritesToReplaceList.each do |oldPath, newPath|