Add Binary instances

src/Dodge/Data/CrWlID.hs

@@ -5,6 +5,7 @@
 
 module Dodge.Data.CrWlID where
 
+import Data.Binary
 import Flat
 import Control.Lens
 import Data.Aeson
@@ -14,6 +15,7 @@ import Data.Store
 
 data CrWlID = CrID Int | WlID Int | NothingID -- TODO rewrite/remove this
     deriving (Eq, Ord, Show, Read, Generic, Flat)
+instance Binary CrWlID 
 
 makeLenses ''CrWlID
 deriveJSON defaultOptions ''CrWlID