code: public String getRowsWithColumnsAndColumnsNamesAsString() {
  		StringBuffer sb = new StringBuffer();
  		String lvColumnNames = getColumnNames();
  		if (lvColumnNames.trim().length() > 0) {
  			sb.append(lvColumnNames);
  			sb.append(CsvParser.CRLF);
  		}
  		sb.append(getRowsWithColumnsAsString());
  		return sb.toString();
  	}
docs: Transform the table in a CSV (with selected delimiter) representation.
  @return A String representation of the table, with the column names in the head.