code: protected boolean stringContainsSpecialCharacters(String line) {
        return (line.indexOf(quotechar) != -1) || (line.indexOf(escapechar) != -1) || (line.indexOf(separator) != -1)
            || line.contains(DEFAULT_LINE_END) || line.contains("\r");
     }
docs: checks to see if the line contains special characters.
  @param line - element of data to check for special characters.
  @return true if the line contains the quote, escape, separator, newline or return.