Prepare release 0.5.2

Change-Id: I32adf57b09e27107b87f293bb785d6f67db4b558
diff --git a/wscript b/wscript
index e40914f..2cc5d04 100644
--- a/wscript
+++ b/wscript
@@ -1,6 +1,6 @@
 # -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
 
-VERSION = '0.5.1'
+VERSION = '0.5.2'
 APPNAME = 'ChronoSync'
 GIT_TAG_PREFIX = ''