anchor.diff:  Python 3 support status for single package.
   For now we'll check only latest version available on PyPI and in repo.
   List view is not avaliable yet.
  -GET /packages/{id}/
  +GET /packages/{id}/{version}
   < 200
   < Content-Type: application/json
  -{ "url": "/packages/django_compressor/",
  +{ "url": "/packages/django_compressor/1.3/",
     "name": "django-compressor",
  +  "version": "1.3",
     "gopy3": "B",
  -  "python3": ["3.3"],
  -  "pypi_url": "https://pypi.python.org/pypi/django_compressor",
  -  "pypi_version": "1.3",
  +  "status": "compeleted",
     "created_at": "2013-09-28T02:15:16Z",
     "updated_at": "2013-09-28T03:22:35Z",
  +  "pypi": {
  +      "current": {
  +        "url": "https://pypi.python.org/pypi/django_compressor/1.3/",    
  +        "version": "1.3",
  +        "python3": ["3.3"],
  +        "release_date": "2013-09-22T01:56:12Z"
  +      },
  +      "latest": {
  +        "url": "https://pypi.python.org/pypi/django_compressor/1.3/",    
  +        "version": "1.3", 
  +        "python3": ["3.3"],
  +        "release_date": "2013-09-22T01:56:12Z"
  +      }
  +  },
     "repo": {
         "url": "https://github.com/jezdez/django_compressor",
  -      "last_commit": "2013-09-22T01:56:12Z"
  -  },
  -  "ci_url": {
  -      "url": "https://travis-ci.org/jezdez/django_compressor",
  -      "status": "passing"
  +      "last_commit_date": "2013-09-22T01:56:12Z"
     },
     "issues": [{
         "url": "https://github.com/jezdez/django_compressor/issues/360",
         "status": "closed"
     }],
  -  "fork": [],
  +  "forks": [],  
  +  "ci": {
  +      "url": "https://travis-ci.org/jezdez/django_compressor",
  +      "status": "passing"
  +  },
     "comments": {
         "count": 1,
         "most_voted": "Enlarge your python!"
  
positive.code:   "started_at": "2013-09-28T03:15:15Z",
    "finished_at": false,
    "packages": [
      { "url": "/packages/django/",
        "name": "django",
        "version": "1.4.3",
        "status": "compeleted",
  
negative.code: { "items": [
      { "url": "/job/1/", 
        "status": "compeleted",
        "created_at": "2013-09-28T02:15:15Z",
        "started_at": "2013-09-28T03:15:15Z",
        "finished_at": "2013-09-28T04:15:15Z"
      },
      { "url": "/job/2/", 
        "status": "running",
        "created_at": "2013-09-28T02:18:15Z",
        "started_at": "2013-09-28T03:18:15Z",
        "finished_at": null
      },
      { "url": "/job/3/", 
        "status": "pending",
        "created_at": "2013-09-28T02:15:15Z",
        "started_at": null,
        "finished_at": null
  