Fixes

• Use PHP CS Fixer for code 🤯
• Updated tests/fixtures for TestUnit
• Fix deprecation PHPUnit v10
• [#16] Fixed bug with $whois->whois('45.225.3.34') - Thanks to @harikt ❤️

Breaking changes

• Added handler classes instead of individual files
• Remove whois.parser.php file

Full Changelog: v6.3.7...v6.4.0