Minimize action opts shown, if a target is specified before.
Make last option enumeration saver in regard to current word.
The environment variable _IPTABLES_OPTS_ON_START controls what options to show at start.
Bugfix: non existing function _ipset_get_networks().
Recognize --set-counters and define available options.
Recognize all option that allow only list action following.
Move option list enumeration/swapping into opt request code segment.
Update Readme.