code: func getLogLevel() Level {
  	switch strings.ToUpper(os.Getenv("KITE_LOG_LEVEL")) {
  	case "DEBUG":
  		return DEBUG
  	case "WARNING":
  		return WARNING
  	case "ERROR":
  		return ERROR
  	case "FATAL":
  		return FATAL
  	default:
  		return INFO
  	}
  }
docs: // getLogLevel returns the logging level defined via the KITE_LOG_LEVEL
  // environment. It returns Info by default if no environment variable
  // is set.