prep for release

CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+
+## [v0.1.2]
 - allow http.Client to be decorated as with http.RoundTripper
 - cleaned up middleware
 - retry package allows linear and exponential backoff for HTTP clients
@@ -28,6 +30,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Error type that exposes HTTP metadata for rendering a response
 - Sonar integration
 
-[Unreleased]: https://github.com/xmidt-org/httpaux/compare/v0.1.1..HEAD
+[Unreleased]: https://github.com/xmidt-org/httpaux/compare/v0.1.2..HEAD
+[v0.1.2]: https://github.com/xmidt-org/httpaux/compare/0.1.1...v0.1.2
 [v0.1.1]: https://github.com/xmidt-org/httpaux/compare/0.1.0...v0.1.1
 [v0.1.0]: https://github.com/xmidt-org/httpaux/compare/0.0.0...v0.1.0