New version 0.4.0
      - Speed ups
      - ipset support
      - MAC address support
      - Log of denied packets
      - Mark action in rich rules
      - Enhanced alteration of config files with command line tools
      - Use of zone chains in direct interface
      - firewall-applet enhancement
      - New services: ceph-mon, ceph, docker-registry, imap, pop3, pulseaudio,
        smtps, snmptrap, snmp, syslog-tls and syslog
      - Several bug fixes
      - Code optimizations