[skip ci] release v0.2.0

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]
+
+## [v0.2.0]
  - Added `cipher` package
  - Fixed `db` package mocks and unit tests to match cockroachdb code
  - Fixed `db` package error statements to be more accurate
@@ -38,7 +40,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Initial creation
 - Created `db` and `xvault` package
 
-[Unreleased]: https://github.com/Comcast/codex/compare/v0.1.5...HEAD
+[Unreleased]: https://github.com/Comcast/codex/compare/v0.2.0...HEAD
+[v0.2.0]: https://github.com/Comcast/codex/compare/v0.1.5...v0.2.0
 [v0.1.5]: https://github.com/Comcast/codex/compare/v0.1.4...v0.1.5
 [v0.1.4]: https://github.com/Comcast/codex/compare/v0.1.3...v0.1.4
 [v0.1.3]: https://github.com/Comcast/codex/compare/v0.1.2...v0.1.3