Fix retries after authentication failures
Fix retries after authentication failures

briancurtin/pyrax,naemono/pyrax,rackspace/pyrax,pratikmallya/pyrax,mandx/pyrax,EdLeafe/pyrax,vikomall/pyrax,0dataloss/pyrax,opsdisk/pyrax,roelvv/pyrax,sivel/pyrax,rackerlabs/heat-pyrax,ddaeschler/pyrax