## Validator Changes

* fix CDA parsing error for sdtc:raceCode
* fix xml output to deal with namespaces properly
* fix FHIRPath join implementation to make separator parameter optional

## Other code changes

* Improve rendering for xml_no_order extension
* add command line demo app
* rework xig into 3 steps
* add userData to JSON element
* Initial SQL On FHIR implementation
* Add getDistalNames() to FHIRPath for SQL-on-FHIR support