Add chadevs count.
Rework devsCount. Add functionality to list all members of Chadev.
Unroll struct into several structs. Add functions and handler to search for a user and get their profile info. Change other handler outputs to use Sprintf instead of concatenating strings.
Add command info to README and bot help.
Merge pull request #20 from seabre/chadevs

Add various Chadevs member info commands.