Update CHANGELOG.md

Author: mikebronner

CHANGELOG.md

@@ -11,6 +11,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 (This is already detected in subscription update.)
 - Filter any incoming webhook events that are in test mode.
 
+## [0.5.1] - 11 Jan 2016
+### Fixed
+- event listener to work with Laravel 5.2 core events.
+
 ## [0.4.10 - 0.4.12] - 28 OCt 2015
 ### Added
 - tracking of robots, if a browser isn't detected, and it is confirmed as a robot.