[BUG] Error retrieving info from hub : Error: ETIMEDOUT-(1)
**Describe the bug**
A clear and concise description of what the bug is.

Not able to load activities and does not load the plugin at all


**To Reproduce**
Steps to reproduce the behavior

Start homebridge

**Expected behavior**
A clear and concise description of what you expected to happen.

I expect it to load.

**Logs**
Your log in debug mode (-D option)

```
5/23/2019, 5:28:48 PM] Loaded config.json with 0 accessories and 1 platforms.
[5/23/2019, 5:28:48 PM] ---
[5/23/2019, 5:28:48 PM] Loaded plugin: homebridge-harmony
[5/23/2019, 5:28:48 PM] Registering platform 'homebridge-harmonyHub.HarmonyHubWebSocket'
[5/23/2019, 5:28:48 PM] ---
[5/23/2019, 5:28:48 PM] Loaded plugin: homebridge-smartthings
[5/23/2019, 5:28:48 PM] Registering platform 'homebridge-smartthings.SmartThings'
[5/23/2019, 5:28:48 PM] ---
[5/23/2019, 5:28:48 PM] Loading 1 platforms...
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] Initializing HarmonyHubWebSocket platform...
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] HarmonyPlatform Init
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] INFO : following activites controls will be ignored if they are in the same state : NONE
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] (Living Room Harmony Hub)(Living Room Harmony Hub)INFO - playPause option set to false
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] (Living Room Harmony Hub)INFO - input names file does not exist
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] (Living Room Harmony Hub)INFO - input visibility file does not exist
Setup Payload:
X-HM://0024KMIQQND0N
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] DidFinishLaunching
[5/23/2019, 5:28:48 PM] [Living Room Harmony Hub] INFO - Loading activities...
[5/23/2019, 5:28:48 PM] Homebridge is running on port 51826.
[5/23/2019, 5:28:58 PM] [Living Room Harmony Hub] Error - Error retrieving info from hub : Error: ETIMEDOUT-(1)
[5/23/2019, 5:29:08 PM] [Living Room Harmony Hub] INFO - Loading activities...
```


**Config**
Your config section of platform. Please do not post your whole config and especially with logins / passwords !
```
{
  "bridge": {
        "name": "Homebridge Hub",
        "username": "CC:22:3D:E3:CE:30",
        "port": 51826,
        "pin": "111-11-111",
        "manufacturer": "@alex-w-k",
        "model": "SUPER FANCY",
        "serialNumber": "0.4.20.69"
    },
    
    "description": "This is mine",

    "platforms": [
        {
            "platform": "HarmonyHubWebSocket",
            "name": "Living Room Harmony Hub",
            "hubIP": "192.168.133",
            "mainActivity" : "Apple TV"
        }
    ]
}
```
**Additional context**
Add any other context about the problem here.

I've enabled XMPP in the app and still am experiencing issues.
