docs: def setLoggerLevel(self, logger, level):
          """
          Returns the logging level for the inputed logger.
          
          :param      logger | <logging.Logger> || <str>
                      level  | <logging.LEVEL>
          """
          if level == logging.NOTSET:
              self.removeLogger(logger)
              self.handler().setLoggerLevel(logger, level)
              return
              
          if isinstance(logger, logging.Logger):
              logger = logger.name
          
          if not logger in self._loggers:
              self.addLogger(logger, level)
          else:
              self.handler().setLoggerLevel(logger, level)