Update CHANGELOG

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 1.9.0 - 2018-11-24
+## Changed
+- Fix school infrastructure results when partial or needed schools query return empty
+- Block 2 or more dimensions in daily_charge_amount/average
+
 ## 1.8.3 - 2018-11-24
 ### Changed
 - Fixed reulst return in classroom count