Cabal revisions of errors-2.1.3

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

 Name: errors Version: 2.1.3+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     && < 4.11  ,         transformers        >= 0.2   && < 0.6,         transformers-compat >= 0.4   && < 0.6,         unexceptionalio     >= 0.3   && < 0.4