def list_servers
      Util.cachier('list_servers') do
        Client.servers.sort_by { |hsh| hsh['last_reported_at'] }.collect do |server|
          {
            name: server['name'],
            last_reported_at: server['last_reported_at'],
            id: server['id'],
            reporting: server['reporting']
          }
        end
      end
    end
def list_servers
      Util.cachier('list_servers') do
        Client.servers.sort_by { |hsh| hsh['last_reported_at'] }.collect do |server|
          {
            name: server['name'],
            last_reported_at: server['last_reported_at'],
            id: server['id'],
            reporting: server['reporting']
          }
        end
      end
    end
=>    Servers    <= 

 => Servers with the oldest `last_reported_at` will be at the top