Release v0.21.0

Author: Stadly

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to `PasswordPolice` will be documented in this file.
 
 Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
-## [Unreleased](https://github.com/Stadly/PasswordPolice/compare/v0.20.0...HEAD)
+## [v0.21.0](https://github.com/Stadly/PasswordPolice/compare/v0.20.0...v0.21.0) - 2019-06-18
 
 ### Added
 - Norwegian Nynorsk translations.
@@ -16,18 +16,6 @@ Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) princip
 - Improved validation messages for change on date rule.
 - Renamed `RuleException` rule exception to `CouldNotUseRuleException`.
 
-### Fixed
-- Nothing
-
-### Deprecated
-- Nothing
-
-### Removed
-- Nothing
-
-### Security
-- Nothing
-
 ## [v0.20.0](https://github.com/Stadly/PasswordPolice/compare/v0.19.0...v0.20.0) - 2019-04-25
 
 ### Added