Add a failing test case.
Fix the config parser to properly handle a case when only app specific
configuration is provided.
Add missing test fixture.
No need to inherit from Lister, BaseListCommand already inherits from it.
Use latest version of clif (1.3.3).
Use correct __version__ attribute.
Update year in the license header.
rackspace_monitoring doesn't use 'limit' argument so remove 'limit' argument
from the MonitoringListCommand class.
Add support for default values to get_config.