Update the changelog

CHANGELOG.md

@@ -4,6 +4,13 @@ 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).
 
+## [0.4.0] - 2019-06-03
+### Added
+- Support for overriding icons with other SVG icons (by [lenart91](https://github.com/lenart91)).
+
+### Fixed
+- Enable autoplay when carousel is partially visible.
+
 ## [0.3.1] - 2018-12-04
 ### Fixed
 - Prevent cleanup when publishing via Travis CI. 
@@ -60,6 +67,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Angular CLI files.
 - Demo application project.
 
+[0.4.0]: https://github.com/gbrlsnchs/material2-carousel/compare/v0.3.1...v0.4.0
 [0.3.1]: https://github.com/gbrlsnchs/material2-carousel/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/gbrlsnchs/material2-carousel/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/gbrlsnchs/material2-carousel/compare/v0.2.0...v0.2.1