Add a QBool type

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qobject.h b/qobject.h
index 67b03d0..2270ec1 100644
--- a/qobject.h
+++ b/qobject.h
@@ -42,6 +42,7 @@
     QTYPE_QDICT,
     QTYPE_QLIST,
     QTYPE_QFLOAT,
+    QTYPE_QBOOL,
 } qtype_code;
 
 struct QObject;