Cabal revisions of shake-0.6

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

 build-type:         Simple name:               shake version:            0.6+x-revision: 1 license:            BSD3 license-file:       LICENSE category:           Development  library     build-depends:-        base == 4.*,+        base >= 4 && < 4.7,         old-time,         directory,         hashable >= 1.1.2.3 && < 1.3,         binary,-        filepath,+        filepath < 1.3.1,         process,         unordered-containers (>= 0.1.4.3 && < 0.2) || (>= 0.2.1 && < 0.3),         bytestring,