def unstringify_values!(config)
      config['HOSTS'].each do |host, settings|
        settings.each do |k, v|
          config['HOSTS'][host][k] = unstringify_value(v)
        end
      end
      config['CONFIG'].each do |k, v|
        config['CONFIG'][k] = unstringify_value(v)
      end
    end
def unstringify_values!(config)
      config['HOSTS'].each do |host, settings|
        settings.each do |k, v|
          config['HOSTS'][host][k] = unstringify_value(v)
        end
      end
      config['CONFIG'].each do |k, v|
        config['CONFIG'][k] = unstringify_value(v)
      end
    end
Passes over all the values of config['HOSTS'] and config['CONFIG'] and
 subsequent arrays to convert numbers or booleans into proper integer
 or boolean types.