old_contents: from multiprocessing import Queue, Process
  import time
  import backend
  command_queue = Queue()
  response_queue = Queue()
  
  
  def start_backend():
      if handler:
          handler.stop()
      handler = Process(target=backend.start, args=(command_queue, response_queue))
      handler.start()
  
  
  def get_for(url, queue, timeout):
      beginning = time.time()
      result = queue.get(timeout=timeout)
      if result["url"] == url:
          return result["body"]
      else:
          queue.put(result)
          return get_for(url, queue, timeout - (time.time()-beginning))
new_contents: from multiprocessing import Queue, Process
  import time
  import backend
  command_queue = Queue()
  response_queue = Queue()
  
  
  def start_backend():
      handler = Process(target=backend.start, args=(command_queue, response_queue))
      handler.start()
  
  
  def get_for(url, queue, timeout):
      beginning = time.time()
      result = queue.get(timeout=timeout)
      if result["url"] == url:
          return result["body"]
      else:
          queue.put(result)
          return get_for(url, queue, timeout - (time.time()-beginning))
subject: Revert "Quit Backend If Running"