quote test name output in test suite
Allow a name argument to 'stop' and 'stopped' iff it matches the running timer (hidden feature).
Tweak 'stop' and 'stopped' output.
Adjust 6 tests accordingly.
Fix time dependency recently introduced by new 'stop'/'stopped' output
Add tests for 'stop'/'stopped' when no timer is running
Enhance test expectations: basic, stopped
Revert STOP_NAME_MISMATCH back to an exception, fixes most test errors.
Fix mismatching stop name point of error