Fixed a missed issue

Added Traficom (.fi) backend

Update README.md

Fixed issue with domainCreateDNSSEC

Fixes

- Fixed clTRID in RawXml.php example
- Updated support for .hk

Quite a few updates

- Added second connection file, useful for OT&E tests.
- Added rawXml command for sending obscure extensions that we do not support, or for debug purposes.
- TLS defaults now to 1.2 as some registries still have trouble with 1.3
- Fixed login issues with complex passwords in some registries.
- Fixed client not working when registry uses XML prefixes.

Updates; added two more backends

Update RRIConnection.php

Updated DENIC API to 4.0

Added support for .hr

Added support for EURid (.eu)