Sanitize CSV export for security reasons

This follows the recommendations in
https://wiki.mozilla.org/images/6/6f/Phpmyadmin-report.pdf to sanitize
the export, preventing the execution of arbitrary code in spreadsheet
editors such as Excel.

Change-Id: Icb91c425f6fec0bc3d7f83ad3bdcc7b11b483983
diff --git a/Changes b/Changes
index 73d2732..5cc9ed9 100644
--- a/Changes
+++ b/Changes
@@ -1,7 +1,8 @@
-0.2.5 2021-05-07
+0.2.5 2021-05-27
     - Silence logging in tests.
+    - Sanitize CSV export for security reasons.
 
-0.2.4 2021-04-27
+0.2.4 2021-05-07
     - Fix temporary session-riding capabilities.
     - Introduced central tinylog.
     - Fix nullpointer in RTF export.