update vendor packages
support http load balancing
Fixed typos in comments
Just nitpicky typo fixes.
Typo
English Grammar Typo
bump version to v0.27.1
add read timeout for TLS check operation
replace the _
resp.Body must be closed after function return
whether it's success or fail, otherwise it will cause memory leak ref: https://golang.org/pkg/net/http/
bump version to v0.27.0
merge new features
api error fix due to status code
Bump version to v0.26.0
new features
bump version to v0.25.3, fix #1159