func (v Value) String() string {
	if v == nil {
		return "(nil)"
	}
	return string([]byte(v))
}
String returns the value as string (alternative to type conversion).
package redis
import (
	"fmt"
	"strconv"
	"strings"
	"github.com/tideland/golib/errors"
)
type Value []byte
func NewValue(value interface{}) Value {
	return Value(valueToBytes(value))
}