Fixed now() script function.

ScriptFunctions/ScriptGeneralUtils.cpp

@@ -175,8 +175,10 @@ ValueHolder now(Script&, std::vector<ValueHolder>& args)
 	if (args.empty())
         return QDateTime::currentDateTime().toString(Qt::ISODate).toStdString();
 	else {
-        QString format = ValueExtract(args[1]).toString().c_str();
-        return QDateTime::currentDateTime().toString(format).toStdString();
+        const auto format = QString::fromStdString( ValueExtract(args[0]).toString() );
+        const auto dt = QDateTime::currentDateTime();
+        const auto dtStr = dt.toString(format);
+        return dtStr.toStdString();
 	}
 }