def is_disabled?
        client = RestClient.where(:api_key => @http_headers[@@header_api_key]).first
        return true if client.nil?
        return false if client.is_disabled.nil?
        client.is_disabled
      end
def is_disabled?
        client = RestClient.where(:api_key => @http_headers[@@header_api_key]).first
        return true if client.nil?
        return false if client.is_disabled.nil?
        client.is_disabled
      end
determines if a RestClient is disabled or not