Updated dependencies

Merge pull request #12 from quillstack/update/removed-files

Removed phpunit.xml

Merge pull request #11 from quillstack/update/unit-tests

Update unit tests library

Merge pull request #9 from quillstack/feature/values-equals-sign

Updated README.md file

Merge pull request #6 from quillstack/hotfix/package-name

Updated README.md file

Merge pull request #3 from quillstack/hotfix/package-name

Fixed package name