Function cleanup

src/modules/pythonmonkey/pythonmonkey.cc:305–319

};

static void cleanup() {
  // Clean up the PythonMonkey module
  Py_XDECREF(PythonMonkey_Null);
  Py_XDECREF(PythonMonkey_BigInt);

  // Clean up SpiderMonkey
  delete autoRealm;
  delete global;
  if (GLOBAL_CX) {
    JS_DestroyContext(GLOBAL_CX);
    GLOBAL_CX = nullptr;
  }
  delete JOB_QUEUE;
  JS_ShutDown();
}
static void cleanup(PyObject *) {
  cleanup();
}