[
  {
    "pk": 16, 
    "model": "core.comic", 
    "fields": {
      "name": "Sinfest", 
      "end_date": null, 
      "url": "http://www.sinfest.net/", 
      "rights": "Tatsuya Ishida", 
      "slug": "sinfest", 
      "language": "en", 
      "start_date": "2001-01-17"
    }
  }, 
  {
    "pk": 17, 
    "model": "core.comic", 
    "fields": {
      "name": "User Friendly", 
      "end_date": null, 
      "url": "http://www.userfriendly.org/", 
      "rights": "J.D. \"Illiad\" Frazer", 
      "slug": "userfriendly", 
      "language": "en", 
      "start_date": "1997-11-17"
    }
  }, 
  {
    "pk": 18, 
    "model": "core.comic", 
    "fields": {
      "name": "xkcd", 
      "end_date": null, 
      "url": "http://www.xkcd.com/", 
      "rights": "Randall Munroe, CC BY-NC 2.5", 
      "slug": "xkcd", 
      "language": "en", 
      "start_date": "2005-05-29"
    }
  }
]

[
  {
    "pk": 16, 
    "model": "core.comic", 
    "fields": {
      "name": "Sinfest", 
      "end_date": null, 
      "url": "http://www.sinfest.net/", 
      "rights": "Tatsuya Ishida", 
      "slug": "sinfest", 
      "language": "en", 
      "start_date": "2001-01-17", 
      "added": "1970-01-01T00:00:00+00:00"
    }
  }, 
  {
    "pk": 17, 
    "model": "core.comic", 
    "fields": {
      "name": "User Friendly", 
      "end_date": null, 
      "url": "http://www.userfriendly.org/", 
      "rights": "J.D. \"Illiad\" Frazer", 
      "slug": "userfriendly", 
      "language": "en", 
      "start_date": "1997-11-17", 
      "added": "1970-01-01T00:00:00+00:00"
    }
  }, 
  {
    "pk": 18, 
    "model": "core.comic", 
    "fields": {
      "name": "xkcd", 
      "end_date": null, 
      "url": "http://www.xkcd.com/", 
      "rights": "Randall Munroe, CC BY-NC 2.5", 
      "slug": "xkcd", 
      "language": "en", 
      "start_date": "2005-05-29", 
      "added": "1970-01-01T00:00:00+00:00"
    }
  }
]

Update fixtures to include Comic.added field
Update fixtures to include Comic.added field
