Add option to switch off ipv6.
Merge pull request #60 from aitjcize/ipv4

Add option to switch off ipv6.
allow friendlist to scroll up and down if friends overflow the window
fix for possible divsion by zero
allow groupchat sidebar to scroll
small fix
colour theme changes
API change
fix bug
don't sort after every friend add on statup
Merge branch 'master' of https://github.com/JFreegman/toxic into groupbot
merge