message: correct build info
diff: [![npm version](https://img.shields.io/npm/v/ts-minecraft.svg)](https://www.npmjs.com/package/ts-minecraft)
  [![npm](https://img.shields.io/npm/l/ts-minecraft.svg)](https://github.com/ci010/ts-minecraft/blob/3.0/LICENSE)
  -[![Build Status](https://travis-ci.org/ci010/ts-minecraft.svg?branch=4.0)](https://travis-ci.org/ci010/ts-minecraft)
  -[![Coverage Status](https://coveralls.io/repos/github/ci010/ts-minecraft/badge.svg?branch=4.0)](https://coveralls.io/github/ci010/ts-minecraft?branch=4.0)
  +[![Build Status](https://travis-ci.org/ci010/ts-minecraft.svg?branch=5.0)](https://travis-ci.org/ci010/ts-minecraft)
  +[![Coverage Status](https://coveralls.io/repos/github/ci010/ts-minecraft/badge.svg?branch=5.0)](https://coveralls.io/github/ci010/ts-minecraft?branch=5.0)
  Provide several useful functions for Minecraft
  