Cabal revisions of writer-cps-mtl-0.1.1.6

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

  name:           writer-cps-mtl version:        0.1.1.6+x-revision: 1 license:        BSD3 license-file:   LICENSE tested-with:    GHC == 7.10.3, GHC == 8.0.1, GHC == 8.2.1, GHC == 8.4.3, GHC == 8.6.1   location: https://github.com/minad/writer-cps-mtl  library+  build-depends: mtl <2.3+   hs-source-dirs:       src   ghc-options: -Wall