GHC 8 support

fay.cabal

@@ -135,7 +135,7 @@ library
     Paths_fay
 
   build-depends:
-      base >= 4.5 && < 4.9
+      base >= 4.5 && < 4.10
     , base-compat >= 0.8 && < 0.10
     , aeson > 0.6 && < 0.12
     , bytestring >= 0.9 && < 0.11
@@ -149,15 +149,15 @@ library
     , language-ecmascript >= 0.15 && < 0.18
     , mtl >= 2.1 && < 2.3
     , mtl-compat >= 0.1 && < 0.3
-    , process >= 1.1 && < 1.3
+    , process >= 1.1 && < 1.5
     , safe >= 0.2 && < 0.4
     , sourcemap == 0.1.*
     , split >= 0.1 && < 0.3
     , spoon >= 0.1 && < 0.4
     , syb >= 0.3 && < 0.7
     , text >= 0.11 && < 1.3
-    , time >= 1.4 && < 1.6
-    , transformers >= 0.3 && < 0.4 || > 0.4.1 && < 0.6
+    , time >= 1.4 && < 1.7
+    , transformers >= 0.3 && < 0.4 || > 0.4.1 && < 0.7
     , transformers-compat >= 0.3 && < 0.6
     , traverse-with-class >= 0.1 && < 0.3
     , type-eq >= 0.1 && < 0.6