Fixed crashes in debug functions if there's a gap in item ID numbers

Data/Scripts/021_Debug/004_Editor_Screens.rb

@@ -669,13 +669,6 @@ def pbItemEditorNew(defaultname)
   itemdata = pbLoadItemsData
   # Get the first blank ID for the new item to use.
   maxid = PBItems.maxValue+1
-  for i in 1..PBItems.maxValue
-    name = itemdata[i][1]
-    if !name || name=="" || itemdata[i][ITEM_POCKET]==0
-      maxid = i
-      break
-    end
-  end
   index = maxid
   itemname = pbMessageFreeText(_INTL("Please enter the item's name."),
      (defaultname) ? defaultname.gsub(/_+/," ") : "",false,30)

Data/Scripts/021_Debug/007_Editor_Listers.rb

@@ -407,6 +407,7 @@ class ItemLister
     @itemdata = pbLoadItemsData
     cmds = []
     for i in 1..PBItems.maxValue
+      next if !@itemdata[i]
       name = @itemdata[i][ITEM_NAME]
       if name && name!="" && @itemdata[i][ITEM_POCKET]!=0
         cmds.push([i,name])