connect_token.account is always nil

From console.context.io

````
{
  "token": "<redacted>", 
  "email": "<redacted>", 
  "created": 1362214478, 
  "used": 1362214525, 
  "serverLabel": "<redacted>", 
  "callback_url": "<redacted>", 
  "service_level": "pro", 
  "account": {
    "id": "<redacted>", 
    "username": "<redacted>", 
    "created": 1362208159, 
    "suspended": 0, 
    "email_addresses": [
      "<redacted>", 
      "<redacted>"
    ], 
    "first_name": "<redacted>", 
    "last_name": "", 
    "password_expired": 0, 
    "sources": [
      {
        "server": "imap.googlemail.com", 
        "label": "<redacted>", 
        "username": "<redacted>", 
        "port": 993, 
        "authentication_type": "oauth2", 
        "use_ssl": true, 
        "sync_period": "1d", 
        "service_level": "pro", 
        "type": "imap", 
        "resource_url": "<redacted>"
      }
    ], 
    "resource_url": "<redacted>"
  }, 
  "expires": false
}
````

From irb
````
connect_token = contextio.connect_tokens['<redacted>']
=> #<ContextIO::ConnectToken:0x00...
connect_token.email
=> (works OK)
connect_token.expires
=> (works OK)
connect_token.account
=> nil (not OK! where's the account?)
````