Added certification between server and client.
Added hole punching and tests for connections.
Switched to two ciphers.
Moved hole punching server into a separate struct.
Made StringifyPublicCertificate.
Got rid of holepunch example.
Changed test to use two different connection servers.
Forgot to replace an instance of StringifyPublicCertificate.
Renamed Connections to NimbusServer.
Changed StringifyPublicCertificate to use URL-safe bases.
StringifyPublicCertificate generates shorter certificates now.