System.out.println("New category string to store:"+sb.toString()+"  New category:"+category);
	public static void addCategory(String category) {		if(getCategories().contains(category)) {			return;		}		StringBuffer sb = new StringBuffer(getCategoriesAsString());		if(sb.length()>0) {			sb.append(",");		}		sb.append(category);		storeCategories(sb.toString());	}