Minor changes all around

* Wordbot does not IO.inspect() the winners of the round
* Split Omnibot.Plugin.base_children/1 into base_children_before/1 and
  base_children_after/1 for plugins that come before and after the
  children in the module
* Other minor changes

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

lib/contrib/wordbot/wordbot.ex

@@ -127,7 +127,6 @@ defmodule Omnibot.Contrib.Wordbot do
                |> Enum.reverse()
                |> Enum.with_index()
                |> Map.new()
-               |> IO.inspect()
     
     Enum.each(scores, &Irc.send_to(irc, channel, "#{rankings[&1.score] + 1}. #{Util.denotify_nick(&1.user)}. #{&1.score}"))