Sets up the response defaults that are defined in the URL route

def set_response_defaults(self, response, request=None):
        """Sets up the response defaults that are defined in the URL route"""
        for header_name, header_value in self.response_headers:
            response.set_header(header_name, header_value)
        if self.set_status:
            response.status = self.set_status
        response.content_type = self.content_type(request, response)