Create new major version compatible with lates Drupal and PHP & upgrade code

Created patch according to requirement please review,Thanks

Hi, thanks but this would be to use. I forgot to mention, that we should also do some cleanup in the code, such as

• define typing - for the properties, the arguments, the return types
• add strict_types everywhere
• remove the deprecated code
• use the modern PHP syntax where applicable

I'll update the issue description. It would be great if you could introduce these changes and test them.