Cabal revisions of semiring-num-0.4.0.0

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:                semiring-num version:             0.4.0.0+x-revision: 1 synopsis:            Basic semiring class and instances description:         Adds a basic semiring class homepage:            https://github.com/oisdk/semiring-num                      , Data.Semiring.Numeric                      , Data.Semiring.Free                      , Test.Semiring-  build-depends:       base >= 4.9 && < 5+  build-depends:       base >= 4.9 && < 4.11                      , containers >= 0.5   default-language:    Haskell2010   ghc-options:         -Wall   type:                exitcode-stdio-1.0   hs-source-dirs:      test   main-is:             Spec.hs-  build-depends:       base >= 4.9 && < 5+  build-depends:       base >= 4.9 && < 4.11                      , semiring-num                      , smallcheck >= 1.1                      , doctest >= 0.11