* Validation enhancements
* Work on validation api reworking
* Keep working on validation API
* Keep working on new term API
* Work on validation api
* Ongoing work on validation
* Work on integrating validation
* Work on validation API
* Add to validation API
* Work on validation
* Work on API
* Work on validation
* Work on validation API
* Work on validation API
* Work on validation api
* Work on validation API
* Work on validation api
* Validation API changes
* Work on API
* More work on validationo API
* Work on validation API
* FIxes
* WOrk on validation api
* Work on validation API
* Tests passing!
* More cleanup
* More validation API changes
* Fix intermittent test failure
* Package reorg
* Validation API work
* Work on doocumentation
* Work on API
* More work on new validation API
* Fix errorprone-reported error
* Test fixes
* Documentation updates
* Documentation tweaks
* Work on API
* Bean name adjustments
* Build fixes
* Some test fixes
* Work on upgrading core
* Work on R5 updates
* Work on core updates
* Test fix
* Update model version properties file for R5
* Bump core version
* Test fixes
* Add 4.2.0-SNAPSHOT version to versions page in docs
* 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