docs: def urljoin(*args):
      """
      Joins given arguments into a url, removing duplicate slashes
      Thanks http://stackoverflow.com/a/11326230/1267398
  
      >>> urljoin('/lol', '///lol', '/lol//')
      '/lol/lol/lol'
      """
      value = "/".join(map(lambda x: str(x).strip('/'), args))
      return "/{}".format(value)