docs: public String readFromExcel(final String fileName, final String sheetName,
  			final int rowNumber, final int cellNumber) throws IOException {
  		LOG.info("Reading from file: " + fileName + " sheet: " + sheetName
  				+ " rowNumber: " + rowNumber + " cellNumber:" + cellNumber);
  		Workbook workbook = getWorkbook(fileName);
  		Sheet rows = workbook.getSheet(sheetName);
  
  		Row row = rows.getRow(rowNumber);
  		Cell cell = row.getCell(cellNumber);
  		String result = null;
  		switch (cell.getCellType()) {
  
  		case Cell.CELL_TYPE_BOOLEAN:
  			result = String.valueOf(cell.getBooleanCellValue());
  			break;
  		case Cell.CELL_TYPE_STRING:
  			result = cell.getStringCellValue();
  			break;
  		case Cell.CELL_TYPE_NUMERIC:
  			result = String.valueOf(cell.getNumericCellValue());
  			break;
  		default:
  			result = cell.getStringCellValue();
  		}
  
  		LOG.info(" Returning: " + result);
  		return result;
  
  	}