def reset
      self.tap do |c|
        c.base_uri   = DEFAULT_BASE_URI
        c.endpoint   = DEFAULT_END_POINT
        c.api_secret = DEFAULT_API_SECRET
        c.api_key    = DEFAULT_API_KEY
      end
    end
def reset
      self.tap do |c|
        c.base_uri   = DEFAULT_BASE_URI
        c.endpoint   = DEFAULT_END_POINT
        c.api_secret = DEFAULT_API_SECRET
        c.api_key    = DEFAULT_API_KEY
      end
    end
Reset all configuration options to defaults