[api breaking] Begin refactor to optimize node-http-proxy by managing one...

[api breaking] Begin refactor to optimize node-http-proxy by managing one instance of HttpProxy per `host:port` location

lib/proxy-table.js → lib/node-http-proxy/proxy-table.js

@@ -81,7 +81,9 @@ util.inherits(ProxyTable, events.EventEmitter);
 // Sets the host-based routes to be used by this instance. 
 //
 ProxyTable.prototype.setRoutes = function (router) {
-  if (!router) throw new Error('Cannot update ProxyTable routes without router.');
+  if (!router) {
+    throw new Error('Cannot update ProxyTable routes without router.');
+  }
   
   this.router = router;
   

lib/node-http-proxy/routing-proxy.js

+
+var RoutingProxy = exports.RoutingProxy = function () {
+  
+};
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