org.hl7.fhir.core/RELEASE_NOTES.md

Validator Changes

• Better tracking and reporting of snapshot generation issues
• Update FHIRPath implementation to R4 with all corrections and extensions from R5 implemnetation

Other code changes

• Inclusion of SAXON dependency for processing XSLT
• Error message spacing correction
• Basic FTPClient implementation
• test NPE in markdown processing
• go-publish support
• Start implementing loading structure maps with validation