updated changelog (#67)

Author: kristinapathak

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.4.3]
+- Added some metrics
+
 ## [v0.4.2]
 - Changed test structure
 - Added defaults to replace invalid config values
@@ -103,7 +106,8 @@ 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/v0.4.2..HEAD
+[Unreleased]: https://github.com/Comcast/codex/compare/v0.4.3..HEAD
+[v0.4.3]: https://github.com/Comcast/codex/compare/v0.4.2...v0.4.3
 [v0.4.2]: https://github.com/Comcast/codex/compare/v0.4.1...v0.4.2
 [v0.4.1]: https://github.com/Comcast/codex/compare/v0.4.0...v0.4.1
 [v0.4.0]: https://github.com/Comcast/codex/compare/v0.3.3...v0.4.0