Arabic & Turkish languages support

What's Changed

• Added Arabic.php to provide support for the Arabic language by @evil1morty in #16
• Turkish stop words added by @SezerFidanci in #18

New Contributors

• @evil1morty made their first contribution in #16
• @SezerFidanci made their first contribution in #18

Full Changelog: 1.2.2...1.2.3

Dutch language support

Indonesian language support

PHP 8 support

Improved Parsing

Parser doesn't split text to sentences inside parentheses.

Russian Language Support

Russian Language Support and Major dependency update

• Russian Language added to StopWords
• Composer lock updated first time for 2 years
• HHVM support has been dropped (Facebook doesn't support PHP7 on HHVM since 2017)
• PHP 7.0 support dropped (New PHPunit depends to new Doctrine, Doctrine doesn't support 7.0 - 7.0 will be deprecated at the end of 2018)

Bug fixes

Extended Language Support

1.0.2