Rename _IPTABLES_OPTS_ON_START to _IPT_OPTS_ON_START.
Added environment variables _IPT_COMP_NETWORKS and _IPT_COMP_IP_LOCAL,
which allow to control how completion on ip addresses is performed.
Fix: --timout with CT target validate as int.
Added completion for CT targets named timeout policies. Untested
Update Readme.md.
Update Readme.md.
Fix: wrong options after -N (newly introduced error).
Removed _iptables_get_networks(), it's now inline.
Moved variable and command substitution in main in statement.
Fix: like previously for -N also for --new.
Bump version to 1.0-alpha-18.