DefaultMConnConfig returns the default config.

MakeSecretConnection 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.

SecretConnection implements net.Conn.