Cabal revisions of errors-2.2.0

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

 Name: errors Version: 2.2.0+x-revision: 1 Cabal-Version: >=1.8.0.2 Build-Type: Simple Tested-With: GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.1  Library     Build-Depends:-        base                >= 4     && < 5  ,+        base                >= 4.5     && < 4.11  ,         exceptions          >= 0.6   && < 0.9,         text                            < 1.3,         transformers        >= 0.2   && < 0.6,