Some of the new matchers from #44 seem to have an issue:
Error: Call to protected CRM_Xcm_Matcher_NameAddressMatcher::__construct() from context 'CRM_Xcm_MatchingEngine' in CRM_Xcm_MatchingEngine->getMatchingRules() (line 182 of .../sites/default/files/civicrm/ext/de.systopia.xcm/CRM/Xcm/MatchingEngine.php).
Some of the new matchers from #44 seem to have an issue: