Fixed if statement for updating camera config.

                            elif key == 'analog_gain':

                                set_analog_gain(self.camera, value)

                            elif key == "shutter_speed":

                                # TODO: use types from CONFIG_KEYS? @jtc42

                                self.camera.shutter_speed = int(value)

                            else:

                                setattr(self.camera, key, value)  # Write setting to camera

                # StreamingCamera parameters (applied via StreamingCamera config)

                for key, value in config.items():  # For each provided setting

                    if key in self.config.keys():

                    if key != 'picamera_settings':  # We already handled this

                        if key not in CONFIG_KEYS.keys():

                            logging.warn("{} is not in the streaming camera settings dictionary - adding it.")

                            #continue #TODO: filter settings somehow?

                        logging.debug("Setting parameter {}: {}".format(key, value))