addig IP6 variable seems easy going
new tests input-file needed for IP6
minimal changes lead to ip6tables compatibility
clean exit added for beauty of code
ip6... manpage created with sed by replacing iptab with ip6tab..
ip6tables-optimizer-tests.sh now called as well
version increased to 0.9.11, ip6tables-optimizer added in setup.py
version set to 0.9.11, documentation updated

Closes: #714012
gpb dch did the changelog