# File lib/mixlib/log.rb, line 95
    def level=(new_level)
      level_int = LEVEL_NAMES.key?(new_level) ? new_level : LEVELS[new_level]
      raise ArgumentError, "Log level must be one of :debug, :info, :warn, :error, or :fatal" if level_int.nil?
      loggers.each {|l| l.level = level_int }
    end