# File rbot/plugins/karma.rb, line 2
  def initialize
    super

    # this plugin only wants to store ints!
    class << @registry
      def store(val)
        val.to_i
      end
      def restore(val)
        val.to_i
      end
    end
    @registry.set_default(0)

    # import if old file format found
    if(File.exist?("#{@bot.botclass}/karma.rbot"))
      puts "importing old karma data"
      IO.foreach("#{@bot.botclass}/karma.rbot") do |line|
        if(line =~ /^(\S+)<=>([\d-]+)$/)
          item = $1
          karma = $2.to_i
          @registry[item] = karma
        end
      end
      File.delete("#{@bot.botclass}/karma.rbot")
    end

  end