Upvalued some globals.

diff --git a/Interface/List.lua b/Interface/List.lua
index afa60b1..5a9e1d7 100644
--- a/Interface/List.lua
+++ b/Interface/List.lua
@@ -7,7 +7,9 @@ local string = _G.string
 local table = _G.table
 local math = _G.math

+local bit = _G.bit
 local pairs = _G.pairs
+local type = _G.type

 -------------------------------------------------------------------------------
 -- AddOn namespace.