Prevent Snoonet Bots from triggering ducks

[ctrlshftn]

Checking for "snoonet/bot/" in the host before incrementing Message Counter or adding the host to the list of unique hosts because all snoonet bots contain this prefix in their vhost. Checking for "/bot/" can also be done to avoid other known bots from triggering a duck.

[linuxdaemon]

All PRs for gonzobot should be submitted to snoonetIRC/CloudBot now. This repo has been abandoned for the most part.