func Error(format string, args ...interface{}) {
	deflog.Error(format, args...)
}
Error formats and emits an error message.
package log
import (
	"os"
	"path/filepath"
)
var deflog = log.get(filepath.Base(filepath.Clean(os.Args[0])))
func Default() Logger {
	return deflog
}
func Info(format string, args ...interface{}) {
	deflog.Info(format, args...)
}
func Warn(format string, args ...interface{}) {
	deflog.Warn(format, args...)
}