Results 2 issues of ethan

``` type Item struct { Bt int `valid:"range(1|100)"` } func main() { t := Item{-1} ok, err := govalidator.ValidateStruct(t) fmt.Println(ok, err) } ``` output:Bt: Validator range(1|100) doesn't support kind int;

enhancement
good first issue

with VScode, It seems that it can list build-in packages, but the command "jump to definetion" is not supported? go version:1.8