Start listening on the specified port and host, ignoring port and host configured in the {@link hunt.net.NetServerOptions} used when
creating the server.
<p>
Port {@code 0} can be specified meaning "choose an random port".
<p>
Host {@code 0.0.0.0} can be specified meaning "listen on all available interfaces".
<p>
The server may not be listening until some time after the call to listen has returned.
@return a reference to this, so the API can be used fluently
Start listening on the specified port and host, ignoring port and host configured in the {@link hunt.net.NetServerOptions} used when creating the server. <p> Port {@code 0} can be specified meaning "choose an random port". <p> Host {@code 0.0.0.0} can be specified meaning "listen on all available interfaces". <p> The server may not be listening until some time after the call to listen has returned.
@return a reference to this, so the API can be used fluently