Cabal revisions of semigroups-0.17

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

 name:          semigroups category:      Algebra, Data, Data Structures, Math version:       0.17+x-revision: 1 license:       BSD3 cabal-version: >= 1.10 license-file:  LICENSE       Data.Semigroup.Generic    build-depends:-    base >= 2   && < 5,+    base >= 2   && < 4.9,     nats >= 0.1 && < 2    if impl(ghc >= 7.4 && < 7.5)

 name:          semigroups category:      Algebra, Data, Data Structures, Math version:       0.17-x-revision: 1+x-revision: 2 license:       BSD3 cabal-version: >= 1.10 license-file:  LICENSE     build-depends: text >= 0.10 && < 2    if flag(hashable)-    build-depends: hashable >= 1.1  && < 1.3+    build-depends: hashable >= 1.1.1.0  && < 1.3    if flag(hashable) && flag(unordered-containers)     build-depends: unordered-containers >= 0.2  && < 0.3