Unix socket support

Problem

So I wanted to use node-http-proxy to serve content from multiple apps running locally on unix sockets. I found out quick that this was not going to work: [code block] I spent the next 5 hours or so trying to figure out why. It turns out the problem was in this method: [code block] That method is always looking for a host and a port, because it does a split on the string. It could easily be modified to use a unix socket path, which is the first argument for the net.Server.listen method, the same as a port. The core lib simply checks if this value is a number or a string. So anyway, rather than modifying the code because I didn't want to monkey around in there just yet. The simple solution after 5 hours of trying to make this reverse proxy unix sockets was this: [code block] That my friends, is one magical colon. Thanks again for this great and extremely useful module. Let me know what you think about all this, I can try to contribute. Jim