Update changelog

Author: Jean85

CHANGELOG.md

@@ -5,6 +5,11 @@ 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]
+## 2.2.0 - 2019-01-05
+### Added
+ - Add the `route` tag automatically to any event generated by a request (#167, thanks @ruudk)
+### Changed
+ - Make the `ExceptionListener` more extendable by making all members at least `protected` (#176, thanks @bouland)
 
 ## 2.1.0 - 2018-11-05
 ### Added