WIP: Wordbot

Wordbot is a little more complex of a bot module and I've been working
on it here.

Other than wordbot module, a few minor tweaks have been added all around
that don't really affect anything.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

lib/supervisor.ex

@@ -2,6 +2,7 @@ defmodule Omnibot.Supervisor do
   @moduledoc false
 
   use Supervisor
+  require IEx
 
   def start_link(opts) do
     Supervisor.start_link(__MODULE__, :ok, opts)