create_manager (OpenID::Consumer::DiscoveryManager)

    # File lib/openid/consumer/discovery_manager.rb, line 87
          def create_manager(yadis_url, services)
            manager = get_manager
            if !manager.nil?
              raise StandardError, "There is already a manager for #{yadis_url}"
            end
            if services.empty?
              return nil
            end
            manager = DiscoveredServices.new(@url, yadis_url, services)
            store(manager)
            return manager
          end