Release v1.0.0-rc1

Author: Jan-Willem Buurlage

CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic
 Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 1.0.0-rc1
+## 1.0.0-rc1 - 2018-11-08
 
 Candidate for initial release. Changes are compared to previous development
 versions.