add reset

logb.go

@@ -9,6 +9,10 @@ import (
 var level Level = INFO
 var writer io.Writer = os.Stderr
 
+func Reset() {
+	Set()
+}
+
 func Writer() io.Writer {
 	return writer
 }
@@ -81,5 +85,6 @@ func logf(lvl Level, form string, args ...interface{}) {
 		return
 	}
 	form = fmt.Sprintf("[%v] %s\n", lvl.String()[:3], form)
+	fmt.Fprintf(os.Stderr, "stderr: "+form, args...)
 	fmt.Fprintf(writer, form, args...)
 }