I have overinstalled Caldavzap 0.13.1 (my files are dates sept 22 15:30)
on a (nice) no config davical/caldavzap installation.
And all seems to work except I still have the message inviting to
install "0.13.1 (you have0.12.1)".
I have restarted nginx, chash_update.sh....
What do I miss...?