No Response
No Response

### Expected Behavior
<!-- If you're describing a bug, tell us what should happen -->
<!-- If you're suggesting a change/improvement, tell us how it should work -->

### Current Behavior
No Response

### Steps to Reproduce (for bugs)
<!-- Please add a series of steps to reproduce the problem. -->
run homebridge

### Versions
<!-- Please run commands and include versions below. -->
- **homebridge**: 0.4.50
- **homebridge-mi-hygrothermograph**: homebridge-mi-hygrothermograph@2.3.2
- **node**:       v12.14.0
- **OS**:         Ubuntu 18.04

### Configuration
<!-- If relevant, include the contents of your config.json file between the two ``` lines below.
  - Remove any sensitive information, passwords, etc.
  - If output is long:
    - Please extract only the relevant portions if possible
    - Consider creating a gist, etc
 -->
```

{
  "bridge":{
    "name":"Homebridge",
    "username":"CD:22:3D:E3:CE:30",
    "port":51826,
    "pin":"031-45-154"
  },
  "description":"Homebridge",
  "accessories":[
        {
       "accessory": "Thermostat",
       "name": "Gree",
       "apiroute": "http://127.0.0.1:8086",
       "maxTemp": 30,
       "minTemp": 17,
       "model": "KFR-26G",
       "serial": "201912180014004",
       "manufacturer": "Gree"
     },{
       "accessory": "Hygrotermograph",
       "name": "Temperature & Humidity"
     }
  ],
  "platforms":[
  ]
}


```

### Homebridge Log / Command Output
```
[12/31/2019, 6:37:47 AM] [Temperature & Humidity] Error: Unknown event type null
    at Scanner.onDiscover (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/lib/scanner.js:134:28)
    at Noble.emit (events.js:210:5)
    at Noble.onDiscover (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/noble.js:178:10)
    at NobleBindings.emit (events.js:210:5)
    at NobleBindings.onDiscover (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/hci-socket/bindings.js:174:10)
    at Gap.emit (events.js:210:5)
    at Gap.onHciLeAdvertisingReport (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/hci-socket/gap.js:256:10)
    at Hci.emit (events.js:210:5)
    at Hci.processLeAdvertisingReport (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/hci-socket/hci.js:651:10)
    at Hci.processLeMetaEvent (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/hci-socket/hci.js:608:10)
    at Hci.onSocketData (/usr/local/lib/node_modules/homebridge-mi-hygrothermograph/node_modules/@abandonware/noble/lib/hci-socket/hci.js:479:12)
    at BluetoothHciSocket.emit (events.js:210:5)

```
