Add support for MIFARE UltraLight Tags.

Many thanks to Johann Dantant from SpringCard for giving me UltraLight cards.

While here, fix a few other problems in the autostuff.

test/mifare_ultralight_fixture.c

@@ -0,0 +1,58 @@
+/*-
+ * Copyright (C) 2010, Romain Tartiere.
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * 
+ * $Id$
+ */
+
+#include <cutter.h>
+#include <freefare.h>
+
+static nfc_device_t *device = NULL;
+static MifareUltralightTag *tags = NULL;
+MifareUltralightTag tag = NULL;
+
+void
+setup ()
+{
+    int res;
+
+    device = nfc_connect (NULL);
+    cut_assert_not_null (device, "No device found");
+
+    tags = mifare_ultralight_get_tags (device);
+    cut_assert_not_null (tags ,"Error enumerating NFC tags");
+
+    cut_assert_not_null (tags[0], "No MIFARE CLassic tag on NFC device");
+
+    tag = tags[0];
+
+    res = mifare_ultralight_connect (tag);
+    cut_assert_equal_int (0, res);
+}
+
+void
+teardown ()
+{
+    if (tag)
+	mifare_ultralight_disconnect (tag);
+
+    if (tags)
+	mifare_ultralight_free_tags (tags);
+
+    if (device)
+	nfc_disconnect (device);
+}
+