DOC: Added error handling example

Author: srossross

examples/error-handling.js

@@ -0,0 +1,26 @@
+var caronte = require('../index');
+/*
+ * Create your proxy server
+ */
+var proxyServer = caronte.createProxyServer({target:'http://localhost:30404', ws:true});
+
+// Register an error handler for web requests
+proxyServer.ee.on("caronte:outgoing:web:error", function(err, req, res){
+	res.writeHead(502);
+	res.end("There was an error proxying your request");
+});
+
+// Register an error handler for web-socket requests
+proxyServer.ee.on("caronte:outgoing:ws:error", function(err, req, socket, head){
+	socket.close();
+});
+
+// You may also use a wild card 
+proxyServer.ee.on("*:*:*:error", function(err, req){
+	console.log("The error event '" + this.event + "' happened errno: " + err.errno);
+});
+
+
+console.log("Proxy server is listening on port 8000");
+proxyServer.listen(8000);
+