Partition commands fail
## Alarm system
 Magellan MG5050
 IP150 v1.4

## Environment
- CentOS Linux release 8.0.1905 (Core)
- Python 3.6.8
- MQTT

## Git branch
dev

## Describe the bug
Sending partition commands arm/disarm etc fail with error message :

2019-10-08 13:55:46,290 - INFO     - PAI.paradox.paradox - Connection OK
2019-10-08 13:56:30,606 - INFO     - PAI.paradox.interfaces.mqtt.basic - message topic=paradox/control/partitions/Outside, payload=ARM_AWAY
2019-10-08 13:56:30,607 - WARNING  - PAI.paradox.interfaces.mqtt.basic - Partition command refused: Outside=ARM_AWAY

This works in the current [2019.10.08] master with the same setup and configuration

2019-10-08 14:09:11,567 - INFO     - PAI.paradox.paradox - Connection OK

2019-10-08 14:09:32,214 - INFO     - PAI.paradox.interfaces.mqtt_interface - message topic=paradox/control/partitions/Outside, payload=ARM_AWAY


## To Reproduce
Steps to reproduce the behavior:
1. Run current master branch > arm partition  <-- works and partition arms
2. Run current dev branch > arm partition <-- does not arm

## Errors
2019-10-08 13:56:30,607 - WARNING  - PAI.paradox.interfaces.mqtt.basic - Partition command refused: Outside=ARM_AWAY
