better error handling in mdns node

bump package for npm

io/mdns/mdns.js

@@ -35,6 +35,9 @@ module.exports = function(RED) {
             var msg = {topic:node.topic, payload:service};
             node.send(msg);
         });
+        browser.on('error', function(exception) {
+            node.error(exception.toString());
+        });
         browser.start();
 
         node.on("close", function() {

io/mdns/package.json

@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-discovery",
-    "version"       : "0.0.17",
+    "version"       : "0.0.18",
     "description"   : "A Node-RED node that uses Bonjour / Avahi to discover nearby services.",
     "dependencies"  : {
         "mdns"   : "~2.3.3"