[skip ci] updated changelog (#21)

CHANGELOG.md

@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.2.4]
+- Removed tip builds from travis
+- Added unit tests
+- Added more descriptive errors
+- Changed StatusUnauthorized to StatusForbidden
+
 ## [v0.2.3]
 - Fixed Errors `Error()` function
 
@@ -31,7 +37,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added constructor, enforcer, and listener alice decorators
 - Basic code and structure established
 
-[Unreleased]: https://github.com/Comcast/comcast-bascule/compare/v0.2.3...HEAD
+[Unreleased]: https://github.com/Comcast/comcast-bascule/compare/v0.2.4...HEAD
+[v0.2.4]: https://github.com/Comcast/comcast-bascule/compare/0.2.3...v0.2.4
 [v0.2.3]: https://github.com/Comcast/comcast-bascule/compare/0.2.2...v0.2.3
 [v0.2.2]: https://github.com/Comcast/comcast-bascule/compare/0.2.1...v0.2.2
 [v0.2.1]: https://github.com/Comcast/comcast-bascule/compare/0.2.0...v0.2.1