Good stuff. There's one "killer feature" you could add, though: .XLS/.XLSX(/.ODS) export that works better than Excel's notoriously terrible CSV import wizard.

Good stuff. There's one "killer feature" you could add, though: .XLS/.XLSX(/.ODS) export that works better than Excel's notoriously terrible CSV import wizard. That would make it instantly possible to continue analyzing the data in Excel if such a thing is required.