Version 2.0.0

Start PHP 8 version

Version 1.2.2

- version bump

Version 1.2.1

Updates the CI, unit test

- fixes unit tests (for phpunit 7+)
- min PHP version is 7.2
- CI updates (added Scrutinizer)
- removes a double key verification
- cleanup

Version 1.2.0

dev/1.2.0 (#4)

* fixes unit tests (for phpunit 7+)
* min PHP version is 7.2
* removed support for PHP 7.1
* badge update
* version bump

Version 1.1.0

- version bump

Version 1.0.0

Stabilized version