code: public String getRowsWithColumnsAsString() {
  		StringBuffer sb = new StringBuffer();
  		int lvSize = rows.size();
  		for (int i=0; i<lvSize; i++) {
  			String lvRow = row2String(i); 
  			sb.append(lvRow);
  			if (i < (lvSize-1) && lvRow.endsWith(CsvParser.CRLF) == false) {
  				sb.append(CsvParser.CRLF);
  			}
  		}
  		return sb.toString();
  	}
docs: Transform the table in a CSV (String) representation.
  @return A String representation of the table.