0.9.56 pre-release prep

Author: simonsdave

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 Format of this file follows [these](http://keepachangelog.com/) guidelines.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [%RELEASE_VERSION%] - [%RELEASE_DATE%]
+## [0.9.56] - [2021-03-09]
 
 ### Added