release: Updating changelog to v0.8.0 final

Author: cdecker

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 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).
 
-## [0.8.0-rc2] - 2019-12-13: "Blockchain Good, Orange Coin Bad"
+## [0.8.0] - 2019-12-16: "Blockchain Good, Orange Coin Bad"
 
 This release was named by Michael Schmoock @m-schmoock.