Error after installing
/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/node_modules/raw-socket/index.js:47
        this.wrap = new raw.SocketWrap (
I am getting this error after installing.  Here is my config:

```
 "accessory": "Computer",
 "name": "Upstairs",
 "mac": "40.15.8A.AE.75.C1",
 "ip": "192.168.1.10"
```

Error: Operation not permitted
    at Error (native)
    at new Socket (/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/node_modules/raw-socket/index.js:47:14)
    at Object.exports.createSocket (/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/node_modules/raw-socket/index.js:202:9)
    at Session.getSocket (/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/index.js:147:20)
    at new Session (/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/index.js:101:7)
    at Object.exports.createSession (/usr/lib/node_modules/homebridge-wol/node_modules/net-ping/index.js:545:9)
    at new Pinger (/usr/lib/node_modules/homebridge-wol/index.js:114:24)
    at new Computer (/usr/lib/node_modules/homebridge-wol/index.js:28:16)
    at Server._loadAccessories (/usr/lib/node_modules/homebridge/lib/server.js:244:29)
    at Server.run (/usr/lib/node_modules/homebridge/lib/server.js:72:38)
    at module.exports (/usr/lib/node_modules/homebridge/lib/cli.js:40:10)
    at Object.<anonymous> (/usr/lib/node_modules/homebridge/bin/homebridge:17:22)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Function.Module.runMain (module.js:441:10)
    at startup (node.js:139:18)
    at node.js:974:3
