Initial work on new CtsUrn class.
Update tests.
Expand testing of range methods.
Rm pseudo urn model.
Initial work on specs for ranges and subrefs.
Change version numbering, so that 1.0 will be on completion of CTS URN,
inventory and CC milestones.
0.80 series for CTS URN; 0.90 series for inventories. 1.0 for addition of CC.
Remove out of date info about uploading archives.
Further tests.
Break out tests for top-level accessors.
Break out tests for work-component accessors.
Add work component tests.
Add old CtsUrn unit tests to quarry.
Add tests on getWorkLevel method.
Test invalid request for work.
Test invalid request for work with namespace flag.
Complete tests on getWorkLevel and on invalid work component requests.
Complete implementation of getWorkLevel and on testing invalid work component rewquets.
Clean white space.
Update tests for new behavior on bad requests.