Rename `Data.GraphQL.Printer` -> `Data.GraphQL.Encoder`

Data/GraphQL/Encoder.hs

@@ -1,6 +1,6 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
-module Data.GraphQL.Printer where
+module Data.GraphQL.Encoder where
 
 #if !MIN_VERSION_base(4,8,0)
 import Control.Applicative ((<$>))

graphql.cabal

@@ -23,8 +23,8 @@ library
   default-language:    Haskell2010
   ghc-options:         -Wall
   exposed-modules:     Data.GraphQL.AST
+                       Data.GraphQL.Encoder
                        Data.GraphQL.Parser
-                       Data.GraphQL.Printer
   build-depends:       base >=4.7 && < 5,
                        text >=0.11.3.1,
                        attoparsec >=0.10.4.0

tests/tasty.hs

@@ -12,7 +12,7 @@ import Test.Tasty (defaultMain)
 import Test.Tasty.HUnit
 
 import qualified Data.GraphQL.Parser as Parser
-import qualified Data.GraphQL.Printer as Printer
+import qualified Data.GraphQL.Encoder as Encoder
 
 import Paths_graphql (getDataFileName)
 
@@ -23,6 +23,6 @@ main = defaultMain =<< testCase "Kitchen Sink"
     expected = Text.readFile
            =<< getDataFileName "tests/data/kitchen-sink.min.graphql"
 
-    actual = either (error "Parsing error!") Printer.document
+    actual = either (error "Parsing error!") Encoder.document
          <$> parseOnly Parser.document
          <$> expected