code: function(byline) {
      if (typeof byline == 'string' || byline instanceof String) {
        byline = byline.trim();
        return (byline.length > 0) && (byline.length < 100);
      }
      return false;
    }
docs: Check whether the input string could be a byline.
  This verifies that the input is a string, and that the length
  is less than 100 chars.
  
  @param possibleByline {string} - a string to check whether its a byline.
  @return Boolean - whether the input string is a byline.