Move unreleased items to 4.1.0 heading

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [4.1.0] - 2019-05-06
 ### Fixed
 - Mask subdomains in email addresses correctly
 ### Changed
@@ -90,7 +92,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 - Initial version of Password Manager Backend.
 
-[Unreleased]: https://github.com/silinternational/idp-pw-api/compare/4.0.0...HEAD
+[Unreleased]: https://github.com/silinternational/idp-pw-api/compare/4.1.0...HEAD
+[4.1.0]: https://github.com/silinternational/idp-pw-api/compare/4.0.0...4.1.0
+[4.0.0]: https://github.com/silinternational/idp-pw-api/compare/3.0.0...4.0.0
 [3.0.0]: https://github.com/silinternational/idp-pw-api/compare/3.0.0...4.0.0
 [3.0.0]: https://github.com/silinternational/idp-pw-api/compare/2.2.0...3.0.0
 [2.2.0]: https://github.com/silinternational/idp-pw-api/compare/2.1.4...2.2.0