def create(list_name, options={})
      params = {:address => list_name}
      @mailgun.response = Mailgun::Base.fire(:post, list_url, params.merge(options))
      find(list_name)
      self
    end
def create(list_name, options={})
      params = {:address => list_name}
      @mailgun.response = Mailgun::Base.fire(:post, list_url, params.merge(options))
      find(list_name)
      self
    end
Create a mailing list with a given address