Infused and Attuned flags

[darthmaim]

https://api.guildwars2.com/v2/items/79477

{
  "upgrades_into": [
    {
      "upgrade": "Infusion",
      "item_id": 79460
    }
  ],
  "upgrades_from": [
    {
      "upgrade": "Attunement",
      "item_id": 79446
    }
  ]
}