Minor logging/debug cleanups
Minor logging/debug cleanups

This removed the rarely useful cliff command list from the debug output.

Change-Id: I48f22086733acf90e79a6ddac8712734ee2d0b60

openstack/python-openstackclient,dtroyer/python-openstackclient,openstack/python-openstackclient,BjoernT/python-openstackclient,redhat-openstack/python-openstackclient,BjoernT/python-openstackclient,redhat-openstack/python-openstackclient,dtroyer/python-openstackclient