Fix compilation

Author: jkarni

doc/tutorial/tutorial.cabal

@@ -56,5 +56,8 @@ test-suite spec
   default-language: Haskell2010
   hs-source-dirs: test
   main-is: Spec.hs
-  build-depends:
-    base == 4.*
+  build-depends: base == 4.*
+               , tutorial
+               , hspec
+               , hspec-wai
+               , string-conversions

stack.yaml

@@ -21,4 +21,4 @@ extra-deps:
 - markdown-unlit-0.4.0
 - aeson-0.11.0.0
 - fail-4.9.0.0
-resolver: nightly-2015-10-08
+resolver: nightly-2016-03-17