v2.0.0

New major release

• drops PHP7 support as it's EOL.
• more extensive docs
• added and improved types for argument and return values

What's Changed

• Feature/update return types by @pvankouteren in #2
• More extensive docs by @pvankouteren in #3
• Require php 8 for union type returns and because PHP 7 is EOL. by @pvankouteren in #4

Full Changelog: v1.0.2...v2.0.0