Support parse url

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

example/example.c

@@ -36,7 +36,8 @@ static void on_request(struct uh_connection *conn)
 
     conn->send_head(conn, 200, -1, NULL);
     conn->chunk_printf(conn, "I'm Libuhttpd: %s\n", UHTTPD_VERSION_STRING);
-    conn->chunk_printf(conn, "Url: %s\n", conn->get_url(conn));
+    conn->chunk_printf(conn, "Path: %s\n", conn->get_path(conn));
+    conn->chunk_printf(conn, "Query: %s\n", conn->get_query(conn));
     conn->chunk_printf(conn, "User-Agent: %s\n", conn->get_header(conn, "User-Agent"));
     conn->chunk_printf(conn, "Body: %.*s\n", body_len, body);
     conn->chunk_end(conn);