prepare release

Author: dbu

CHANGELOG.md

@@ -5,6 +5,9 @@ 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).
 
+## [0.1.1] - 2020-10-21
+
+* Allow installation with PHP 8
 
 ## [0.1.0] - 2020-08-16