Bump version after publishing nexus artifact.
Remove debugging lines.
Improve variable name.
Update tests for revised syntax.
Add further tests on subreffed URNs.
Add  missing api docs.
Add value of raw URN string to all exception messages.
Bump version.
Test URN encoding/decoding.
Test equivalence of URNs constructed from encoded or raw strings.
Implement proper semantics of getSubref().
Test internal processing of URN initialized variously.
Turn off debugging for pub.
Bump version
Change default behavior of urn without passage not to have trailing ":".
Merge branch 'master' into ctsurn1

Conflicts:
	build.gradle
	src/main/groovy/edu/harvard/chs/cite/CtsUrn.groovy
	src/test/groovy/edu/harvard/chs/cite/TestCtsUrnEncoding.groovy
Expand spec for CTS URNs