Browser accepts Connector and deprecate legacy Sender

[clue]

If you need custom connector settings (DNS resolution, TLS parameters, timeouts,
proxy servers etc.), you can explicitly pass a custom instance of the
ConnectorInterface:

$connector = new \React\Socket\Connector($loop, array(
    'dns' => '127.0.0.1',
    'tcp' => array(
        'bindto' => '192.168.10.1:0'
    ),
    'tls' => array(
        'verify_peer' => false,
        'verify_peer_name' => false
    )
));

$browser = new Browser($loop, $connector);