func CustomLogf(level string, format string, val ...interface{}) error {
	return glg.out(glg.TagStringToLevel(level), format, val...)
}
func CustomLogf(level string, format string, val ...interface{}) error {
	return glg.out(glg.TagStringToLevel(level), format, val...)
}
func CustomLogf ( level string , format string , val ... interface { } ) error { return glg . out ( glg . TagStringToLevel ( level ) , format , val ... ) }
// CustomLogf outputs formatted custom level log
CustomLogf outputs formatted custom level log