Minor changes -- Fix build issue

- Couldn't format as hindent errors out.
- Remove setField' from export list.
- Add version constraints in ihaskell-widget.cabal

ihaskell-display/ihaskell-widgets/ihaskell-widgets.cabal

@@ -72,17 +72,15 @@ library
   -- other-extensions:    
   
   -- Other library packages from which modules are imported.
-  build-depends:       aeson >= 0.8.1.0
+  build-depends:       aeson >=0.7 && < 0.9
                      , base >=4.7 && <4.9
-                     , containers >= 0.5.6.2
-                     , ipython-kernel >= 0.6.1.0
-                     , text >= 1.2.1.0
-                     , unordered-containers >= 0.2.5.1
-
-                       -- TODO: Need to check versions
+                     , containers >= 0.5
+                     , ipython-kernel >= 0.6.1
+                     , text >= 0.11
+                     , unordered-containers -any
                      , nats -any
-                     , vinyl -any
-                     , singletons -any
+                     , vinyl >= 0.5
+                     , singletons >= 0.9.0
 
                        -- Waiting for the next release
                      , ihaskell -any

ihaskell-display/ihaskell-widgets/src/IHaskell/Display/Widgets.hs

@@ -17,4 +17,4 @@ import           IHaskell.Display.Widgets.String.TextArea as X
 import           IHaskell.Display.Widgets.Output as X
 
 import           IHaskell.Display.Widgets.Common as X
-import           IHaskell.Display.Widgets.Types as X (setField, setField', getField)
+import           IHaskell.Display.Widgets.Types as X (setField, getField)

ihaskell-display/ihaskell-widgets/src/IHaskell/Display/Widgets/Types.hs

@@ -14,9 +14,11 @@
 {-# LANGUAGE NoMonomorphismRestriction #-}
 {-# LANGUAGE TypeSynonymInstances #-}
 {-# LANGUAGE BangPatterns #-}
+{-# LANGUAGE ConstraintKinds #-}
 module IHaskell.Display.Widgets.Types where
 
 import Control.Monad (when)
+import Control.Applicative ((<$>))
 
 import Data.Aeson
 import Data.Aeson.Types (emptyObject, Pair)