Simple configuration file support.

Add extra data to the JSON reporter.

Add a --timeout flag.

Better debugging, passing objects to test() and group(), partial tagg…

…ing support.

Update some dependencies.

Added a machine-readable JSON reporter.

Update SDK constraint.

Fix a deadlock issue with setUpAll and tearDownAll.

Add setUpAll and tearDownAll functions.

Execute outer tear-downs even when inner ones throw errors.