def todolists
      active_response = Logan::Client.get "/projects/#{@id}/todolists.json"
      lists_array = active_response.parsed_response.map do |h|
        Logan::TodoList.new h.merge({ :project_id => @id })
      end
    end
def todolists
      active_response = Logan::Client.get "/projects/#{@id}/todolists.json"
      lists_array = active_response.parsed_response.map do |h|
        Logan::TodoList.new h.merge({ :project_id => @id })
      end
    end
get active todo lists for this project from Basecamp API

 @return [Array<Logan::TodoList>] array of active todo lists for this project