Merge pull request #31 from spadgett/master

validate ETag values
Extends the Test Subject

adds in additional information about the TestSubject, for parsing with
Earl.  Also adds in the command-line information

Change-Id: I898eb0093433a2fb42c4403bcb0a3b459cb64fc0
Signed-off-by: ttsanton <ttsanton@us.ibm.com>
Merge pull request #32 from ttsanton/master

Extend the Test Subject
allow running individual tests on the command line

Add long option --test to let users specify one or more tests to run.
The option accepts '*' as a wildcard character.