v0.4.0

Feature:

• validator
• goroutine pool management
• file util
• backoff
• tls util

v0.3.0

Merge pull request #7 from tianxiaoliang/master

improvement: RFC 1423 is insecure, support load tls cert without password

v0.2.2

Merge pull request #6 from tianxiaoliang/master

to compatible with old version

v0.2.1

Merge pull request #3 from tianxiaoliang/master

optimize user exp

v0.2.0

add go mod

v0.1.0

refactor