0.8.17 Minor release with improvements to support PHP 8.4

Merge pull request #17 from glo71317/php8.4-deprecations

Fixed the explicit nullable type issue

Improve rawurlencodings

Merge pull request #15 from samwilson/rawurlencode-deprecations

Avoid passing null to rawurlencode()

Allow serialization of full token objects

Merge pull request #5 from samwilson/token-serialization

Allow serialization of full token objects

Provide PHP 8.1 (and higher) compatibility

0.8.14

Merge pull request #1 from carlos-mg89/enhancement/upgrade-composer-t…

Provide PHP 8 compatibility

0.8.13

Rename package to publish it in Packagist