String serviceName = parser.getValue("serviceName", "service", "s");
String appName = parser.getValue("appName", "app", "a");
String feedUrlString = parser.getValue("feedUrl", "feed", "f");
String username = parser.getValue("username", "user", "u");
String password = parser.getValue("password", "pass", "p");
boolean updateEntry = parser.containsKey("update");
boolean help = parser.containsKey("help", "h");
if (help) {
usage();
System.exit(1);