Prepare release 0.5.4

Change-Id: Ie87fa94ed401a8552632c0d861a70bdda228e634
diff --git a/wscript b/wscript
index 788cf61..ffdeddc 100644
--- a/wscript
+++ b/wscript
@@ -3,7 +3,7 @@
 from waflib import Context, Logs, Utils
 import os, subprocess
 
-VERSION = '0.5.3'
+VERSION = '0.5.4'
 APPNAME = 'ChronoSync'
 GIT_TAG_PREFIX = ''