v0.4.2: Write data to StdinPipe using goroutine.

refer:
  https://stackoverflow.com/questions/50118643/write-more-than-4k-bytes-to-stdinpipe-in-golang

v0.4.1

[update] sort

v0.4.0: [fix] Fix build script.

- Cross compile manually instead of using gox.

First release.

0.1.0

[fix] Fix golint errors.