code: public static String toCSV(String... cells)
  	{
  		if(cells == null || cells.length == 0)
  			return null;
  		
  		StringBuilder builder = new StringBuilder();
  		addCells(builder, cells);
  		return builder.toString();
  	}
docs: Create a CSV line
  @param cells the cells for format
  @return the CSF formatted line