Cabal revisions of zippers-0.2.3

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

 name:          zippers category:      zippers version:       0.2.3+x-revision: 1 license:       BSD3 cabal-version: >= 1.10 license-file:  LICENSE  custom-setup   setup-depends:-    base          >= 4 && < 5,+    base          >= 4 && < 4.11,     Cabal,     cabal-doctest >= 1 && < 1.1    default-language: Haskell2010   ghc-options: -Wall   build-depends:-    base >= 4.5 && < 5,+    base >= 4.5 && < 4.11,     lens >= 4 && < 5,     profunctors >= 4 && < 6,     semigroupoids >= 4 && < 6