Update changelog

Refine flog_helper format

Refine flog helper macros

Clean up useless including

Merge pull request #36 from finaldie/1.2

Merge branch 1.2 into master

Merge pull request #35 from finaldie/1.1

Merge branch 1.1 into master

Refine README

Update Changelog, and run benchmark in CI

Update LICENSE and fix fnet_(peer|sock)name issues in AF_INET6

Update changelog