removed {source} from pathparams where does not apply
(effectively everywhere but lookup; search has had it as queryparam already)
This is in preparation of deployment, vast simplification of rewriterules config
simplify ds-rdata sanitizer code
fixed todo regarding as-block search key validation
fix as-block test breaks (apparently we used it heavily in tests)
fix test failure as followup to ds-rdata sanitization
adjust endtoend test regarding ds-rdata sanitization
don't warn about merging into single line if not primary key
updated changes.txt
[maven-release-plugin] prepare release whois-1.67.4
[maven-release-plugin] prepare for next development iteration
JAXB marshaller is not thread-safe.