code: function run_callbacks (object, key) {
    var callbacks = object[key];
    var callback;
    // Mark the module is ready
    // `delete module.c` is not safe
    // #135
    // Android 2.2 might treat `null` as [object Global] and equal it to true,
    // So, never confuse `null` and `false`
    object[key] = FALSE;
    while(callback = callbacks.pop()){
      callback();
    }
  }
docs: Run the callbacks