Cabal revisions of jukebox-0.4.2

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

 Name: jukebox Version: 0.4.2+x-revision: 1 Cabal-version: >= 1.8 Build-type: Simple Author: Nick Smallbone   location: https://github.com/nick8325/jukebox  Library-  Build-depends: base >= 4 && < 5, array, transformers >= 0.4.0.0, directory,+  Build-depends: base >= 4 && < 5, array, transformers >= 0.4.0.0 && < 0.6, directory,     filepath, pretty >= 1.1.2.0, symbol, dlist, process, containers, uglymemo   if !impl(ghc >= 8.0)     Build-depends: semigroups