Fixed message parsing bug

src/Message.php

@@ -66,6 +66,11 @@ class Message implements JsonSerializable
         return new Message($json['msg'], $json['data'], $json['uuid']??false);
     }
 
+    public static function fromStringMulti(string $data): array
+    {
+        return array_map(fn($v) => Message::fromString($v), array_filter(explode("\n", $data)));
+    }
+
     public function asResult($result): Message
     {
         return new Message(self::MSGTYPE_RESULT, [
@@ -73,6 +78,13 @@ class Message implements JsonSerializable
         ], $this->uuid);
     }
 
+    public function asError($error): Message
+    {
+        return new Message(self::MSGTYPE_ERROR, [
+            'error' => $error
+        ], $this->uuid);
+    }
+
     public function toJson(): string
     {
         return json_encode($this, JSON_UNESCAPED_SLASHES);