Add hydra-validations gem.
create trykforlæg model.
correct autoloading of instances.
get rid of namespacing.
use before action to make subclassing easier.
Crud routes plus actions.
remove namespaced folder from autoloading.
Use self.class instead of hardcoding the class name
Trykforlaeg model and rspec plus gem for validating ISBNs
Use rspec expectation matchers
Add ISBN to the searchable fields
language fields and accessors for instance descMetadata.
basic form and create method.
Adding EDTF validation of dateIssued values
Add forms and accessors for note_value and note_label.
Make collection mandatory field and fix some specs
Fixed test
Fixed test
Remove unused variable