Merge pull request #12 from lisachenko/feature/small-improvements

[Feature] Add PhpStorm meta + make some constructor arguments required

Merge pull request #10 from esler/patch-1

Enable PHP 8 usage

Merge pull request #8 from adawolfa/2.0

Introduce version 2.0

Enable code-coverage badge from the scrutinizer

Add badges with metrics and code style

Added a readme page for quick info and demo