Update minio and fix s3 access

cli/main.go

@@ -20,6 +20,7 @@ func main() {
 	as.Append(args.STRING, "do", "[get set]", "get")
 	as.Append(args.STRING, "k", "key", "key")
 	as.Append(args.STRING, "v", "value", "value")
+	as.Append(args.STRING, "ns", "namespace", "")
 	if err := as.Parse(); err != nil {
 		panic(err)
 	}
@@ -39,7 +40,11 @@ func main() {
 	switch strings.ToLower(as.Get("do").GetString()) {
 	case "list":
 		var c []string
-		c, err = db.List(nil, as.Get("k").GetString())
+		var ns []string
+		if nss := as.Get("ns").GetString(); len(ns) > 0 {
+			ns = []string{nss}
+		}
+		c, err = db.List(ns, as.Get("k").GetString())
 		b = []byte(fmt.Sprintf("%v", c))
 	case "get":
 		b, err = db.Get(as.Get("k").GetString())