patch for 1.13

Author: jwulf

src/main/js/lib/task-bukkit.js

@@ -1,8 +1,12 @@
 'use strict';
 /*global __plugin, module, server*/
-function bukkitSetTimeout(callback, delayInMillis) {
-  var delay = Math.ceil(delayInMillis / 50);
-  var task = server.scheduler.runTaskLater(__plugin, callback, delay);
+function bukkitSetTimeout( callback, delayInMillis ){
+  var delay = Math.ceil( delayInMillis / 50 );
+  var Run = Java.type("java.lang.Runnable");
+  var MyRun = Java.extend(Run, {
+    run: callback
+  });
+  var task = server.scheduler.runTaskLater( __plugin, new MyRun(), delay );
   return task;
 }
 function bukkitClearTimeout(task) {