Updated openstack/openstack
Project: openstack/python-keystoneclient  f83115b4a6d17c0acc27e2635b3adaa9c3b39c16

Session Documentation

Include some client documentation for how to work with a Session object.
This is generally high level with this expectation that a developer
could take the concepts found here and determine more from the module
documentation.

Change-Id: I5e44c1029ce160cb2798cfb8a535aa9f3311799a