constraints: MonadRandom ==0.1.13,
             array ==0.5.0.0,
             attoparsec ==0.11.3.4,
             base ==4.7.0.0,
             base-unicode-symbols ==0.2.2.4,
             blaze-builder ==0.3.3.2,
             bytestring ==0.10.4.0,
             case-insensitive ==1.2.0.0,
             charset ==0.3.7,
             comonad ==4.2,
             containers ==0.5.5.1,
             contravariant ==0.5.1,
             deepseq ==1.3.0.2,
             distributive ==0.4.3.2,
             either ==4.1.2,
             errors ==1.4.7,
             exceptions ==0.6.1,
             ghc-prim ==0.3.1.0,
             hashable ==1.2.2.0,
             http-types ==0.8.5,
             integer-gmp ==0.5.1.0,
             lifted-base ==0.2.2.2,
             mmorph ==1.0.3,
             monad-control ==0.3.3.0,
             mtl ==2.1.3.1,
             nats ==0.2,
             network ==2.5.0.0,
             old-locale ==1.0.0.6,
             parsec ==3.1.5,
             parsers ==0.11.0.1,
             random ==1.0.1.1,
             resourcet ==1.1.2.2,
             rts ==1.0,
             safe ==0.3.4,
             scientific ==0.3.2.0,
             semigroupoids ==4.0.2,
             semigroups ==0.14,
             tagged ==0.7.2,
             text ==1.1.1.2,
             time ==1.4.2,
             transformers ==0.3.0.0,
             transformers-base ==0.4.2,
             transformers-compat ==0.1.1.1,
             unix ==2.7.0.1,
             unordered-containers ==0.2.4.0,
             vault ==0.3.0.3,
             wai ==3.0.0.1,
             wai-cors ==0.1.4