## Validator Changes

* Don't validate codes in value sets if terminology vlidation is turned…  …
* Fix nPE validating bundles

## Other code changes

* Add file: to URL scheme list when checking for absolute URLs
* Adjust mappings handling code generating snapshots
* More improvements to r4/r5 transform testing
* Better error messages setting properties when transforming
* Better error messages converting types
* FHIRPath tests on element model
* Refactor FTPClient to perform fewer directory creates (#1159)  …
* Document how to build validator_cli locally (#1171)