Fix query.js to properly deal with users with spaces in their name.

examples/query.js

@@ -20,7 +20,7 @@ myBot.on( "message", function( message ) {
 
     // Get the first argument specifically, as it contains the username
     // to be queried for.
-    var username = arguments[1];
+    var username = arguments.slice( 1 ).join( " " );
 
     // Exit the event handler unless the user exists.
     if( !username ) {