Update README.md

Merge pull request #10 from DeGraciaMathieu/road-to-php-8.2

Road to php 8.2

Merge pull request #8 from DeGraciaMathieu/go-to-php8

Go to php8

Merge pull request #6 from open-source-contributions/enhance_tests

Upgrading PHPUnit version to support PHP 7.2+

Update README.md

Update composer.json

Change php version

Update README.md