HS110 plugs not recognized
I have two HS110 smart plugs which seem to be successfully recognized:

```
Jun 19 12:45:30 raspberrypi homebridge[3959]: [2018-6-19 12:45:30] [TplinkSmarthome] New Device Online: [Rig Kenny] plug [8006E234330A18FAD4310E73AE0121061835E7F8] 192.168.1.3 9999
Jun 19 12:45:30 raspberrypi homebridge[3959]: [2018-6-19 12:45:30] [TplinkSmarthome] Adding: [Rig Kenny] plug [8006E234330A18FAD4310E73AE0121061835E7F8]
Jun 19 12:45:30 raspberrypi homebridge[3959]: [2018-6-19 12:45:30] [TplinkSmarthome] New Device Online: [Wifi Kenny] plug [800636A8A208888223C7FA2408A83A211833D2B1] 192.168.1.5 9999
Jun 19 12:45:30 raspberrypi homebridge[3959]: [2018-6-19 12:45:30] [TplinkSmarthome] Adding: [Wifi Kenny] plug [800636A8A208888223C7FA2408A83A211833D2B1]
```

However they are not listed in Homekit. What is going on?
