[session] take care of non-ascii characters in login and session id (closes: #1910849) We ensure a valid <str> conversion of the session id by using unormalize() at initialization.

#! /bin/sh -e
 
case "$1" in
    purge)
	rm -rf /etc/cubicweb.d/
	rm -rf /var/log/cubicweb/
	rm -rf /var/lib/cubicweb/
    ;;
esac
 
#DEBHELPER#
 
exit 0