[ci skip] Add unreleased features to changelog

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
+- Change parseParams default value from `null` to `true`
+- Query middleware throws a 404 when the result is empty
+- Change filters and dimensions names! No more `_id`. **Breaks compability**
+- Add a basic sanitize function
 
 ## 0.1.0 - 2016-10-10
 ### Added