code: function fieldAsOption (field) {
    var option = ''
    for (var i = 0; i < field.length; i++) {
      var c = field.charAt(i)
      if (c < 'a') {
        option = option + '-' + c.toLowerCase()
      } else {
        option += c
      }
    }
    return option
  }
docs: Converts a camelCase field name to lowercase hyphen-delimited format for
  use as a command-line option. For example, this method would convert
  'optionName' to 'option-name'.
  @param {String} field - Name of the field to convert.
  @returns {String} Field name in lowercase hyphen-delimited format.