Block Grey (with whitelist)

Short Description:

Block all grey messages except those from a whitelist of users

Full Description

Run this bot to block all messages from grey users.
You can provide a comma separated list of 'whitelisted' users whose messages you want to allow.

For instance, if you would like to block all grey messages, except those from mr_smith and mr_jones, then you would simply add mr_smith,mr_jones to the whitelist.