Prep for version 3.1.0

Author: wjohnstondrip

CHANGELOG.md

@@ -4,11 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [3.1.0] - 2018-06-05
 
-[master]: https://github.com/DripEmail/drip-ruby/compare/v3.0.0...HEAD
-
-- Your contribution here!
+[3.1.0]: https://github.com/DripEmail/drip-ruby/compare/v3.0.0...v3.1.0
 
 ### Fixed
 - [#46](https://github.com/DripEmail/drip-ruby/pull/46): Fix verb class equality check - [@marcinbunsch](https://github.com/marcinbunsch)

lib/drip/version.rb

@@ -1,3 +1,3 @@
 module Drip
-  VERSION = "3.0.0".freeze
+  VERSION = "3.1.0".freeze
 end