Added query string support for io.connect

[Flyguy]

No description provided.

[3rd-Eden]

why do you want to add querystrings to namespaces?

[Flyguy]

This gives us the ability to create URL like:
io.connect('http://ws.example.com/channel?id=' + encodeURIComponent(id));
And it will always work. And not only for the main socket.io URL