Fix compatibility with PHP8.1

What's Changed

• Add test actions by @Dazix in #27
• PHP 8.1. compatibility by @forgie1 in #24

Full Changelog: v3.0.3...v3.0.4

Improving inflection with diacritics

• added Dockerfile for tests

PHP 7.0-7.4 compatibility + license fix

Merge pull request #21 from heureka/php_70

Ready for PHP 7.0-7.4

Name fixes

Fixed names ending to "o" (Ivo, Kvido...) and female "Iva" definition added.

fixes

Fix issue #8 and one more fix

Fix comparison exceptional word/names

Merge pull request #7 from jarda-jakoube/Case_sensitive_comparison

Case sensitive comparison fixed

Fixes and improvements

Fix #6
Fix #5

Huge changes from fork by mikulas

v2.0

Update composer.json