Implement targeting launcher shells using separate item

src/NewInt.hs

@@ -13,7 +13,7 @@ import Data.Aeson
 import Data.Aeson.TH
 
 newtype NewInt a = NInt { _unNInt :: Int}
-    deriving newtype (Eq,Ord,Show,Num,Read)
+    deriving newtype (Eq,Ord,Show,Num,Read,Integral,Real,Enum)
 
 newtype NewIntMap a b = NIntMap { _unNIntMap :: IM.IntMap b}
     deriving (Eq,Ord,Show,Read)