// DumpStack dump stack trace
func DumpStack(e interface{}, stack []byte) {
if err := slack.Send(e, string(stack)); err != nil {
fmt.Printf("cant send to slack %v\n", err)
}
fmt.Printf("[%v] crashing...\n", PrettyPrintTime(time.Now()))
}
// Fatal fatal print to stdout
func Fatal(msg string) {
str := errMsgFmt("f", msg)
go slack.Send("", str)
fmt.Println(str)
}