script that find recently chat topics, and p that name(But It's not work :(

gistfile1.rb

require 'rubygems'
require 'skype'

Skype.init 'sample_application'
Skype.start_messageloop

chats = Skype::searchRecentChats
chats.each do |chat|
  p chat.getName
end

Skype.attach_wait
sleep