def default_options
      {
        :host => host,
        :port => port,
        :path_prefix => path_prefix,
        :use_ssl => use_ssl,
        :request_style => request_style,
        :num_retries => num_retries,
        :timeout => timeout,
        :extra_env => extra_env,
        :http_adapter => http_adapter,
        :stubs => stubs,
        :return_full_response => return_full_response,
        :additional_middlewares => self.additional_middlewares
      }
    end
def default_options
      {
        :host => host,
        :port => port,
        :path_prefix => path_prefix,
        :use_ssl => use_ssl,
        :request_style => request_style,
        :num_retries => num_retries,
        :timeout => timeout,
        :extra_env => extra_env,
        :http_adapter => http_adapter,
        :stubs => stubs,
        :return_full_response => return_full_response,
        :additional_middlewares => self.additional_middlewares
      }
    end
Construct our default options, based upon the class methods