Queries the server for the parameter information and other metadata associated with
        this task

def param_load(self):
        """
        Queries the server for the parameter information and other metadata associated with
        this task
        """
        escaped_uri = urllib.parse.quote(self.uri)
        request = urllib.request.Request(self.server_data.url + '/rest/v1/tasks/' + escaped_uri)
        if self.server_data.authorization_header() is not None:
            request.add_header('Authorization', self.server_data.authorization_header())
        request.add_header('User-Agent', 'GenePatternRest')
        response = urllib.request.urlopen(request)
        self.json = response.read().decode('utf-8')
        self.dto = json.loads(self.json)

        self.description = self.dto['description'] if 'description' in self.dto else ""
        self.name = self.dto['name']
        self.documentation = self.dto['documentation'] if 'documentation' in self.dto else ""
        self.lsid = self.dto['lsid']
        self.version = self.dto['version'] if 'version' in self.dto else ""
        self.params = []
        for param in self.dto['params']:
            self.params.append(GPTaskParam(self, param))
        self._params_loaded = True