Cabal revisions of adjunctions-4.2.1

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

 name:          adjunctions category:      Data Structures, Adjunctions version:       4.2.1+x-revision: 1 license:       BSD3 cabal-version: >= 1.6 license-file:  LICENSE     contravariant >= 1       && < 2,     distributive  >= 0.4     && < 1,     free          >= 4       && < 5,-    mtl           >= 2.0.1   && < 2.3,+    mtl           >= 2.0.1   && < 2.2.2,     profunctors   >= 4       && < 6,     tagged        >= 0.7     && < 1,     semigroupoids >= 4       && < 6,