--- a/db.schema	Mon Jul 04 22:05:42 2011 +0200
+++ b/db.schema	Tue Jul 05 00:37:40 2011 +0200
@@ -4,4 +4,5 @@
     givenname TEXT, surname TEXT, mail TEXT, tel TEXT,
     uuid TEXT UNIQUE, 
     timestamp BIGINT, 
-    ack bool DEFAULT NULL);
+    ack bool DEFAULT NULL,
+    payed INT DEFAULT NULL);