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 , conduit == 1.1.2.1 , conduit-extra == 1.1.0.3 , containers == 0.5.5.1 , contravariant == 0.5.1 , deepseq == 1.3.0.2 , directory == 1.2.1.0 , distributive == 0.4.3.2 , either == 4.1.2 , errors == 1.4.7 , exceptions == 0.6.1 , filepath == 1.3.0.2 , ghc-prim == 0.3.1.0 , hashable == 1.2.2.0 , http-types == 0.8.4 , 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 , primitive == 0.5.3.0 , 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 , streaming-commons == 0.1.2.4 , 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 , void == 0.6.1 , wai == 2.1.0.2 , zlib == 0.5.4.1