missing X-Forte-Auth-Account-Id

Hi,
I think there is a missing X-Forte-Auth-Account-Id in the connection.
Eg.

``` ruby
Faraday.new(url: base_url, headers: { :accept => 'application/json', 'X-Forte-Auth-Account-Id' => "#{account_id}" }) do |connection|
```

Let me know if you need help to fix it
