febpop (npm): [![Build Status](https://circleci.com/gh/justincase-jp/Febpop/tree/master.svg?style=shield)](   https://circleci.com/gh/justincase-jp/Febpop ) [![npm version](https://badge.fury.io/js/febpop.svg)](   https://badge.fury.io/js/febpop )
Keywords: Socket.IO|TypeScript|ack|timeout|retry|transaction|at-least-once delivery