@Test
public void testMulti() {

    Map<String, List<String>> params = QueryStringParser.parseMap("a=b&c=d&a=e");
    assertEquals(2, params.size());
    assertEquals("b", params.get("a").get(0));
    assertEquals("e", params.get("a").get(1));
    assertEquals("d",params.get("c").get(0));
}