v3.2: Merge pull request #9 from junlon2006/hotfix/issue5

fix issue 5 in v2

v3.1: Merge pull request #7 from junlon2006/hotfix/crc16

Fix payload len crc16 big endian & litter endian bug

v3.0

Update README.md

v2.0

remove all unnessary syscall, perf

stable version

v1.2

Fix -std=gnu99 compile issue

First release version

v1.1

:construction: Format dateTime