simple update to versions. Digging into test failure. https://trello.com/c/HQtYqPTE
cleaning up deprecation warnings
working around a peculiarity of new specs2 beEqualTo and mutable.Set
aligning scalacheck/specs2 versions so all is happy
bumping version to 1.0-SNAPSHOT
Merge pull request #14 from Banno/scalaz-7-1

Updating to scalaz 7.1 et al