Cleanup & documentation

[IzzySoft]

Follow-up to PR #4 (as advertised)

[BaseMax]

Thanks for cleaning and change indent of files.

[BaseMax]

I also modify your commits:

• Add new date to file: 2020-12-06
• Add a new line before: protected function getRegVal($regEx) {

Thanks

[IzzySoft]

Thanks Max! I'll then first pull the main branch before my next modifications, and start with (a) fresh development branch(es).