Adds official support for PHP 8.2.

Scrutinizer manifest and composer package updates.

Support for PHP 8.1

The library now fully supports PHP 8.0 and min PHP version now bumped to PHP 7.3+,. Updated DocBlocks where was previously using my previous GitHub username. PHPUnit test cases and XML manifest now fully compatible with PHPUnit 9. README file explains how to install older versions of this lib to support older PHP versions.

The package now supports PHP 7.2+, tests now handled by GitHub Actions and code coverage now managed by CodeCov. Bumping version number to prevent issues on older, previously supported versions of PHP.

Implements new argument (options) requirement validation.

Commands now receive the CLI arguments via. the RecievesAgurments trait and is instantiated through the constructor. The CommandRouter is now the only class that is instantiated with the the $argv array, the other classes all use the ArgumentsParser class.

Implements new features to specify command handler class and methods (no longer a requirement to have a class for each handler)

Method chaining now available on a number of methods to increase readability and increase developer happiness.

Initial release.