diff --git a/ExpCore/ranking.lua b/ExpCore/ranking.lua
index c7dfe9ee..808b7fff 100644
--- a/ExpCore/ranking.lua
+++ b/ExpCore/ranking.lua
@@ -49,16 +49,16 @@ function Ranking.get_rank(mixed)
     local _return = false
     if is_type(mixed,'table') then
         if mixed.index then
-            _return = game.players[mixed.index] and ranks[mixed.permission_group.name] or false
+            _return = game.players[mixed.index] and ranks[mixed.permission_group.name] or nil
         else
-            _return = mixed.group and mixed or false
+            _return = mixed.group and mixed or nil
         end
     else
         _return = game.players[mixed] and ranks[game.players[mixed].permission_group.name]
         or table.autokey(ranks,mixed) and table.autokey(ranks,mixed)
         or string.contains(mixed,'server') and Ranking.get_rank(Ranking._presets().meta.root)
         or string.contains(mixed,'root') and Ranking.get_rank(Ranking._presets().meta.root)
-        or false
+        or nil
     end
     return _return
 end
diff --git a/ExpLib.lua b/ExpLib.lua
index b152ac46..9a502247 100644
--- a/ExpLib.lua
+++ b/ExpLib.lua
@@ -139,4 +139,24 @@ function ExpLib.tick_to_display_format(tick)
 	end
 end
 
+function ExpLib.Gui_tree(root)
+    local tree = {}
+    for _,child in pairs(root.children) do
+        if #child.children > 0 then
+            if child.name then
+                tree[child.name] = ExpLib.Gui_tree(child)
+            else
+                table.insert(tree,ExpLib.Gui_tree(child))
+            end
+        else
+            if child.name then
+                tree[child.name] = child.type
+            else
+                table.insert(tree,child.type)
+            end
+        end
+    end
+    return tree
+end
+
 return ExpLib
\ No newline at end of file