--- a/lib/update	Thu Dec 19 21:04:07 2013 +0200
+++ b/lib/update	Thu Dec 19 22:00:37 2013 +0200
@@ -1,5 +1,9 @@
 #!/bin/bash
 #
+
+## Strict errors
+set -ue
+
 ## Library includes
 for lib in lib/update.*; do
     source $lib