Set protocol version on request creation

[WyriHaximus]

Follow up for #43 and fixes #47. This way a user can present it self as a HTTP1.1 client.

[WyriHaximus]

Ping @clue @cboden

[mbonneau]

Thanks @WyriHaximus - this works for my purposes.

[clue]

👍 After all #43 is pretty much useless without this changeset IMHO :-)

I'm not a huge fan of the current API, but for now this makes sense. This will likely be resolved once we look into #41 anyway.

[WyriHaximus]

@clue yeah this is a good intermediate step, not very excited about this API but it's effective. #41 will be a huge change API wise and it something for 0.5 IMHO

[deathmood]

Please tell me where I am wrong, `cause it does not work for me - I can not get response body with HTTP 1.1:

$request = $client->request('GET', 'http://facebook.com', [], '1.1');
$request->on('response', function ($res) {
    $res->on('data', function ($data, $res) {
        var_dump($data);
    });
});

it does not work for http://vk.com, http://facebook.com
why?

[WyriHaximus]

@deathmood It doesn't work that way for a) the HTTP version comes back with the response headers, not with the body and b) there is no guarantee that the server will response with a HTTP/1.1 response

[deathmood]

@WyriHaximus actually it does response with HTTP/1.1:

$req = $client->request('GET', 'https://vk.com');
$req->on('response', function ($res) {
    $res->on('data', function ($data, $r) {
        var_dump($r);
        var_dump($data);
    });
});
$req->end();

var_dump($r)

var_dump($data)

both on http://vk.com and http://facebook.com. But I can not get $data - so I can not use these social APIs. What is the problem? How should I use it to get $data from these social networks?

P.S. it works normally (at least I can get all $data) with https://github.com and https://twitter.com but not with vk/facebook. Why?