Modernization, Fixes for PHP 8.0 through PHP 8.2

Breaking Changes

• Dropped support for PHP 7.2 and 7.3

What's Changed

• Modernization + PHP 8.0-8.2 + Unit Tests by @donatj in #4

Full Changelog: v0.1.0...v0.2.0

Mild Cleanup

Lots of Docs work, very minor breaking changes of currently not-at-all-working functionality that shouldn't have been used anyway.

Clearer Stream Errors

Throw an exception instead of a boatload of warnings when there is a stream failure.

Fixes a problem with NULL values.

Merge pull request #2 from QuorumCollection/donatj-patch-1

Update DataSheet.php to Allow Nulls

CSV Sheet Names

This updated alpha adds sheet names to CSVs

Initial Alpha Release

v0.0.1

Zip strategy roughed in