Support IPs as well

[jkroepke]

In my tests, I would like to connect to 127.0.0.1, but its fails

tls: failed to verify certificate: x509: cannot validate certificate for 127.0.0.1 because it doesn't contain any IP SANs

Currently, ca.NewKeyPair only supports domains, but no IPs.

Would it be possible to add 127.0.0.1 and ::1 by default? The x509.Certificate has a dedicated field for IPAddresses

[madflojo]

Hi @jkroepke,

I must have missed the notification for this. That's a great suggestion; I'll look into the best way to add the ability to specify IP addresses.