def reset
      self.access_token       = DEFAULT_ACCESS_TOKEN
      self.adapter            = DEFAULT_ADAPTER
      self.connection_options = DEFAULT_CONNECTION_OPTIONS
      self.endpoint           = DEFAULT_ENDPOINT
      self.gateway            = DEFAULT_GATEWAY
      self.proxy              = DEFAULT_PROXY
      self.user_agent         = DEFAULT_USER_AGENT
      self
    end
def reset
      self.access_token       = DEFAULT_ACCESS_TOKEN
      self.adapter            = DEFAULT_ADAPTER
      self.connection_options = DEFAULT_CONNECTION_OPTIONS
      self.endpoint           = DEFAULT_ENDPOINT
      self.gateway            = DEFAULT_GATEWAY
      self.proxy              = DEFAULT_PROXY
      self.user_agent         = DEFAULT_USER_AGENT
      self
    end
Reset all configuration options to defaults