def search_messages(query, &callback)
      http(:get, "/search/#{query}.json") do |data, http|
        callback.call(data[:messages].map { |msg| Firering::Message.instantiate(self, msg) }) if callback
      end
    end
def search_messages(query, &callback)
      http(:get, "/search/#{query}.json") do |data, http|
        callback.call(data[:messages].map { |msg| Firering::Message.instantiate(self, msg) }) if callback
      end
    end
Returns all the messages containing the supplied term.