Issue 535 Bugfix list of validator projects when API is requested with access-token instead of a session login
Issue 537 Bugfix merge of allowed values in multiple value restriction sets
Issue 539 Improve findability of validation artefacts; placed on Message model overview interface
Issue 541 Remove panel-warning style for unlocked message model (elements)
Issue 542 Bugfix loading schematron and example files in validator UI
Issue 543 Bugfix wrong mapping of floatDigits and length to interface labels
Alpha release of new codelist functionality: exporting to spreadsheet and SKOS, possibility to migrate to Taxonomy and minor UI changes to Taxonomy views
Add PHPUnit for unit testing backend implementation. Integrated in CI. Including first test as example.