ignore unauthorized certs to allow for self-signed certs

[craig-day]

I played around with this a little bit, but I think this is the cleanest option to support self-signed certificates.

This should resolve #118

/cc @gjtorikian @joshmanders

[craig-day]

@joshmanders would you be able to pull this branch and run it locally to verify it solves your issue?

[joshmanders]

@craig-day confirmed, it works.

[gjtorikian]

Great, thanks!