CSVExport - Export list/table content to .csv file (Ctrl+E,C)

The function exports the content of list, table or tree to a comma separated file. The file location will be requested via a standard file dialog.

The default directory path for .csv files may be set in option CSV_FOLDER. In order to open the file after export, the used file path may be retrieved from option LAST_CSV_FILE. When the file dialog had been canceled, the file path is empty.