Make 1.6+ work with new instance format.

logic/minecraft/ParseUtils.cpp

@@ -8,16 +8,17 @@ QDateTime timeFromS3Time(QString str)
 	return QDateTime::fromString(str, Qt::ISODate);
 }
 
-void parse_timestamp (const QString & raw, QString & save_here, QDateTime & parse_here)
+bool parse_timestamp (const QString & raw, QString & save_here, QDateTime & parse_here)
 {
 	save_here = raw;
 	if (save_here.isEmpty())
 	{
-		throw JSONValidationError("The timestamp is empty!");
+		return false;
 	}
 	parse_here = timeFromS3Time(save_here);
 	if (!parse_here.isValid())
 	{
-		throw JSONValidationError("The timestamp not a valid timestamp!");
+		return false;
 	}
+	return true;
 }