* Don't succeed validation on unknown codesystem
* Test fixes
* Work on error messages
* Work on code validation API
* work on tests
* Work on validation
* Test fix
* Update DSTU3 validation reources
* Upgrade structures
* Test fixes
* Add some logging
* Add more test logging
* Work on some test logging
* Fix compile error
* Work on codecov
* Work on codecov
* Remove test debug messages