Bump minimum supported PHP version to 8.1 from 7.4.

Additional author in composer.json

Update library to php7.4 and phpunit to 9.5 (#14)

CI with PHP 7.

Fix scrunitizer command. (#8)

Clarify comments: change 62 (old max bits) to now supported 63.

Add .github directory to gitattributes ignore.

Update README: add a few lines about library.

Fix: actualize composer.lock.

Added gitattributes file.