* Copy identifiers to placeholder resources
* Add tests
* Maven cleanup
* Still messing around with azure
* Adding to logging
* More azure work
* One more attempt
* More messing around with azure
* Test fix
* Another caching attempt
* More work on azure pipeline
* Fix pipeline file
* Keep working on pipeline
* More work on azure
* More azure
* More azure work
* More azure
* 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
* Some CI surefire improvements
* Build tweak
* More tweak
* Update azure-pipelines.yml for Azure Pipelines
* Update azure-pipelines.yml for Azure Pipelines
* One more CI attempt
* Update azure-pipelines.yml for Azure Pipelines
* Tweak command line
* Another build test fixc
* More build cleanup
* Start work on refactoring how PIDs work
* Some test fixes
* Test fixes
* Test fixes
* Restore accidentally deleted line
* One more tweak
* Rework resource link extraction
* Test fix
* Split out transaction processor
* Updates
* Test fix
* Test fixes
* Test fixes
* Clean up LGTM warning
* Fix compile failure
* One more test fix
* Fix LGTM issue
* Add spot for metadata
* Add test logging
* Remove testing code
* More test logging
* Add some test logging
* Attempty to fix intermittent test failure
* Improve exception tracking
* Work on simplifying search param registry
* Fix compile
* Fix compile errors
* Fix two test bugs