new_contents: import random
  import time
  import threading
  
  import smartbot.plugin
  
  
  class Plugin(smartbot.plugin.Plugin):
      """You better believe it!"""
      names = ['belief']
  
      def __init__(self, believers):
          for believer in believers:
              args = (believer['target'], believer['person'],
                      believer['minimum'], believer['maximum'])
              threading.Thread(target=self.reminder_thread, args=args).start()
  
      def reminder_thread(self, target, person, minimum, maximum):
          while True:
              delay = random.randint(minimum, maximum)
              time.sleep(delay)
              msg = 'Oi, {}, you better believe it!'.format(person)
              self.bot.send(target, msg)
  
      def on_help(self):
          return "You better believe it!"
  
subject: Add belief plugin