Add cabal.project to build with the correct flags

cabal.project

@@ -0,0 +1,4 @@
+packages: .
+
+constraints: graphql -json
+tests: False

graphql-spice.cabal

@@ -24,14 +24,15 @@ source-repository head
 
 library
     exposed-modules:
-      Language.GraphQL
+      Language.GraphQL.Foundation,
+      Language.GraphQL.Serialize
     other-modules:
     hs-source-dirs:   src
     ghc-options: -Wall
     build-depends:
---    aeson >= 2.0.2.0 && < 2.1
+      aeson ^>= 2.0.3,
       base ^>=4.14.3.0,
-      graphql >= 1.0.1.0 && < 1.1
+      graphql ^>= 1.0.2
     default-language: Haskell2010
 
 test-suite graphql-test
@@ -48,6 +49,7 @@ test-suite graphql-test
     aeson,
     base >= 4.8 && < 5,
     graphql,
+    graphql-spice,
     hspec >= 2.9.1 && < 3,
     text,
     unordered-containers

src/Language/GraphQL.hs

@@ -1,3 +0,0 @@
-module Language.GraphQL
-    (
-    ) where

src/Language/GraphQL/Foundation.hs

@@ -0,0 +1,5 @@
+module Language.GraphQL.Foundation
+    ( module Language.GraphQL.Serialize
+    ) where
+
+import Language.GraphQL.Serialize

src/Language/GraphQL/Serialize.hs

@@ -0,0 +1,7 @@
+module Language.GraphQL.Serialize
+    ( JSON(..)
+    ) where
+
+import qualified Data.Aeson as Aeson
+
+newtype JSON = JSON Aeson.Value

tests/Language/GraphQL/DirectiveSpec.hs

@@ -11,7 +11,7 @@ module Language.GraphQL.DirectiveSpec
 import Data.Aeson (object, (.=))
 import qualified Data.Aeson as Aeson
 import qualified Data.HashMap.Strict as HashMap
-import Language.GraphQL
+import Language.GraphQL.Foundation
 import Language.GraphQL.TH
 import Language.GraphQL.Type
 import qualified Language.GraphQL.Type.Out as Out

tests/Language/GraphQL/FragmentSpec.hs

@@ -12,7 +12,7 @@ import Data.Aeson ((.=))
 import qualified Data.Aeson as Aeson
 import qualified Data.HashMap.Strict as HashMap
 import Data.Text (Text)
-import Language.GraphQL
+import Language.GraphQL.Foundation
 import Language.GraphQL.Type
 import qualified Language.GraphQL.Type.Out as Out
 import Language.GraphQL.TH

tests/Language/GraphQL/RootOperationSpec.hs

@@ -10,7 +10,7 @@ module Language.GraphQL.RootOperationSpec
 
 import Data.Aeson ((.=), object)
 import qualified Data.HashMap.Strict as HashMap
-import Language.GraphQL
+import Language.GraphQL.Foundation
 import Test.Hspec (Spec, describe, it)
 import Language.GraphQL.TH
 import Language.GraphQL.Type