BEP 45 compliance

### Feature Request

Magnetico should respect the implementation advices given in BEP 45.

|    Q        |   A
|------------ | ------
| New Feature | yes
| RFC         | yes
| BC Break    | no

#### Summary

[Multiple-address operation for the BitTorrent DHT](http://bittorrent.org/beps/bep_0045.html)
