Cannot add / switch account

*I'm submitting a ...*
- [* ] bug report
- [ ] feature request
- [ ] support request

## General infomration

### Prerequisites

* [* ] Are you running the latest version?

### Description

I can't login / switch account in the settings menu. Using the addon on OSMC running on a pi3b. WHen I go to settings -> Account: The first options is "logout" should be "switch account" right? Also when i tab "Logout" it just closes the window and nothing else happens.

### Steps to Reproduce

1. install clean OSMC on Pi 3b
2. add following packages:
- sudo apt-get install python-pip python-crypto build-essential -y
- sudo apt-get install python-all-dev python-setuptools python-wheel -y
- sudo apt-get install python-crypto-dbg python-crypto-doc python-pip-whl -y
- pip install pycryptodomex
- sudo ln -s /usr/lib/python2.7/dist-packages/Crypto /usr/lib/python2.7/dist-packages/Cryptodome
- wget https://github.com/castagnait/repository.castagnait/raw/master/repository.castagnait-1.0.0.zip
3. reboot and install addon from repo
4. try switch the account from addon seetings

**Expected behavior:** Switch account login an watch.

**Actual behavior:** Button for "switch account" missing, "logout" not working

## Context (Environment)

### Installation

* [ ] I installed the plugin via zip from the Releases page
* [*] I´m using the Netflix Repo
* [ ] I´m using a different source (Please tell which)

### Operating System

* [ ] Linux (x86/x64)
* [ ] OSX (x86/x64)
* [ ] Windows (x86/x64)
* [*] Linux (ARM) ( OSMC (Pi 3b) Latest version )
* [ ] Android

#### Additional informatin on the environment

OSMC on Pi 3b, latest version (2019.07-1)
Installed like described below

## Debug log

If needed, please tell me where to get it from?

## Other information

[e.g. detailed explanation, related issues, suggestions how to fix, links for us to have context, etc.]

### Screenshots

[Please add a screenshot if that helps understanding your problem]

[You can erase any parts of this template not applicable to your Issue.]

No files or tests are named. Reproduce the account flow on OSMC/Pi 3b from the add-on Settings > Account entry point, then trace the logout action and account-login state. Done means logout responds and the UI offers a working switch-account login.

Written by the indexing model from the issue text.