Cabal revisions of presburger-0.4

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

 Name:           presburger Version:        0.4+x-revision: 1 License:        BSD3 License-file:   LICENSE Author:         Iavor S. Diatchki Cabal-version:  >= 1.6  library-  Build-Depends:  base < 10, containers, pretty+  Build-Depends:  base < 4.11, containers < 0.6, pretty   hs-source-dirs: src   Exposed-modules:     Data.Integer.Presburger