Not everywhere String is a safe default ;)

plugins/scrape.rb

@@ -2,6 +2,7 @@ require 'open-uri'
 require 'digest/md5'
 require 'data_mapper'
 require 'nokogiri'
+require 'dm-postgres-adapter'
 
 include EventMachine::IRC::Commands
 

run.rb

@@ -47,7 +47,7 @@ Client = Repost.new do
     end
 
     on :nick do
-        Config.lookup("channels").each do |channel|
+        Config.lookup("channels", []).each do |channel|
             puts "joining #{channel}"
             join channel
         end