Cannot connect to EVO48 with IP150 using PAI
<!-- You can always use https://gitter.im/paradox-alarm-interface/community to ask a quick question -->
<!-- Use search before posting. Maybe your issue was already solved. -->

## Alarm system
<!-- Describe your panel model (EVO192, Spectra SP4000, Magellan MG5050), access mode (Serial, IP150, etc..) and hardware. -->

Evo48 firmware v2.20 and IP150 v4.00.04

## Environment
Raspberry Pi 3, with Raspbian and homeassistant

-->

### Git branch
<!-- Which Git branch you use. Did you tried "dev" branch? -->

## Question
<!-- Your question goes here. -->
Thank you for all your excellent work!!
I entered all the correct details in the pai.conf file, including the ip150 static ip, 10000 as port, my panel pincode, SiteID and Site email and i keep getting the below error

2019-07-16 18:19:58,603 - INFO     - PAI - Starting Paradox Alarm Interface
2019-07-16 18:19:58,604 - INFO     - PAI - Console Log level set to 20
2019-07-16 18:19:58,604 - INFO     - PAI.paradox.interfaces.interface_manager - Using MQTT Interface
2019-07-16 18:19:58,703 - INFO     - PAI.paradox.interfaces.mqtt_interface - MQTT Broker Connected
2019-07-16 18:19:59,692 - INFO     - PAI - Using IP Connection
2019-07-16 18:20:01,813 - INFO     - PAI - Starting...
2019-07-16 18:20:01,814 - INFO     - PAI.paradox.paradox - Disconnecting from the Alarm Panel
2019-07-16 18:20:01,815 - INFO     - PAI.paradox.paradox - Clean Session
2019-07-16 18:20:01,815 - INFO     - PAI.paradox.paradox - Connecting to interface
2019-07-16 18:20:01,815 - INFO     - PAI.paradox.connections.ip_connection - Connecting to Site: S*********m
2019-07-16 18:20:02,776 - INFO     - PAI.paradox.connections.ip_connection - Connected to Site: S*********m
2019-07-16 18:20:07,796 - ERROR    - PAI.paradox.connections.ip_connection - Unable to establish session with IP Module. Timeout. Only one connection at a time is allowed.

## Logs (if required)
<!-- PLEASE DO NOT SEND LOGS IN CLEAR TEXT AS THEY MAY CONTAIN SENSITIVE INFORMATION
If you wish to add a log (which will greatly help us), please follow the following instructions:
paradox.log just has the exact same message as the last message above

1. Go to https://keybase.io/encrypt
2. Write 'jpbarraca' as the recipient
3. Write your log or add a link to the log file (if using services such as dropbox).
4. Click Encrypt
5. Save the result to a text file and add it as an attachment.-->
