FIlename is now remembered and used by save. Save as added.

querytab.h

@@ -0,0 +1,22 @@
+#ifndef QUERYTAB_H
+#define QUERYTAB_H
+
+#include <QWidget>
+
+namespace Ui {
+class QueryTab;
+}
+
+class QueryTab : public QWidget
+{
+	Q_OBJECT
+
+public:
+	explicit QueryTab(QWidget *parent = 0);
+	~QueryTab();
+
+private:
+	Ui::QueryTab *ui;
+};
+
+#endif // QUERYTAB_H