#140 conf.py: prevent traceback if server has IPv6 address

[Valentin Lorentz]

Hi,

IPv6 addresses have multiple : characters.

https://github.com/ProgVal/Limnoria/commit/929090c27940879637e9ade5bc4a297cdfa2b177

Regards,
Valentin

[James McCoy]

Merged, thanks.