Cabal revisions of json-pointer-0.1.2.1

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

   json-pointer version:   0.1.2.1+x-revision: 1 synopsis:   JSON Pointer parsing and interpretation utilities description:     --     text == 1.*,     ---    base-prelude >= 0.1.21 && < 2+    base < 4.11,+    base-prelude >= 0.1.21 && < 1.3