std_level_logger.go
func (l *StdLevelLogger) Fatalln(args ...interface{}) {

	l.loglnFunc(FatalLevel, l.context, args...)
}
func (l *StdLevelLogger) Fatalln(args ...interface{}) {

	l.loglnFunc(FatalLevel, l.context, args...)
}
// Fatalln logging