Cabal revisions of category-extras-0.53.4

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

 name:          category-extras category:      Control, Monads, Comonads version:       0.53.4+x-revision: 1 license:       BSD3 cabal-version: >= 1.2 license-file:  LICENSE   default:     False  library-  build-depends:  mtl >= 1.1+  build-depends:  mtl >= 1.1 && < 2, base < 4.3   extensions:     CPP,     EmptyDataDecls,