Chuan Khoo

@ftruzzi, @probonopd, @mtnbrit, how did you get this to work? I'm getting the following error: ``` 1513209887: New connection from 192.168.254.11 on port 8883. 1513209887: OpenSSL Error: error:1408A0C1:SSL routines:SSL3_GET_CLIENT_HELLO:no shared...

thanks @tedder, it was a badly configured user/password in mosquitto that caused the issue for me. fwiw the chainable setter methods do work, as with set_auth.

Digging a bit deeper, it appears that the `superagent` dependency can be trivially upgraded to `^7.0.2`. This will also resolve the `formidable` dependency in `superagent`. The more challenging dependency is...