* Fixed syntax error introduced in 1.0 thanks to @MarcelFox * Fixed issue #36 (cron file created incorrectly). * Added cron job deprecation warning, daemon mode should be used instead. * Fixed many issues reported by shellcheck. * Added IPv6 support * Use ss instead of netstat. * started some drafting to add blocking by port support. * Improved ban_incoming_only * Eliminate some command steps to improve performance. * Removed HOST_IP since it is no longer necessary. * Fixed improper call to grepcidr. * Minor man page changes. * Added ip6tables to dependencies list and removed netstat.