Add changelogs for 0.7.5

Author: JaZo

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [0.7.5] - 2018-07-04
+
+### Fixed
+
+* Do not add attributes to item when empty [#20](https://github.com/swisnl/json-api-client/pull/20)
+
 ## [0.7.4] - 2018-06-20
 
 ### Fixed