Cabal revisions of http-api-data-0.3.8.1

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

 name:            http-api-data version:         0.3.8.1+x-revision:      1 license:         BSD3 license-file:    LICENSE author:          Nickolay Kudasov <nickolay.kudasov@gmail.com>   GHC==7.10.3,   GHC==8.0.2,   GHC==8.2.2,-  GHC==8.4.1+  GHC==8.4.3  custom-setup   setup-depends:-    base >= 4.7 && <4.12,-    Cabal >= 1.18 && <2.3,+    base,+    Cabal,     cabal-doctest >=1.0.6 && <1.1  flag use-text-show   build-depends:     base,     directory >= 1.0,-    doctest >= 0.11 && <0.16,+    doctest >= 0.11 && <0.17,     filepath   default-language: Haskell2010   hs-source-dirs:   test