support for custom queries + presence update handler

example/example.js

@@ -19,6 +19,10 @@ client.handlers.onConnected = () => {
         Despite the convenience, be careful with this file
     */
 }
+// called when someone's presence is updated
+client.handlers.presenceUpdated = (id, type) => {
+    console.log("presence of " + id + " is " + type)
+}
 // called when you have a pending unread message or recieve a new message
 client.handlers.onUnreadMessage = (m) => { 
     // console.log("recieved message: " + JSON.stringify(m)) // uncomment to see what the raw message looks like
@@ -58,6 +62,7 @@ client.handlers.onUnreadMessage = (m) => {
         }
     }, 4*1000) // send after 4 seconds
 }
+
 // called if an error occurs
 client.handlers.onError = (err) => console.log(err)
 client.handlers.onDisconnect = () => { /* internet got disconnected, save chats here or whatever; will reconnect automatically */ }