Updated changelog.

Additions to man page.

* Fixed syntax error introduced in 1.0 thanks to @MarcelFox

* Fixed issue jgmdev#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.

Updated documentation and increased version number to reflect the ip …

…ranges and cidr support.

Updated changelog and some other cosmetic changes.

Removed dependency on /lib/lsb/init-functions to better support distr…

…os other than debian which fixes jgmdev#8.

Enabled comments on ignore.ip.list.