DefaultMConnConfig returns the default config.

Performs handshake and returns a new authenticated SecretConnection.

NewMConnection wraps net.Conn and creates multiplex connection.

NewMConnectionWithConfig wraps net.Conn and creates multiplex connection with a config.

TODO: lowercase.

MConnConfig is a MConnection configuration.

Each peer has one `MConnection` (multiplex connection) instance.

Implements net.Conn.