XLS with Groups and Dates

Grade export derived from XLS file. Adds Groups and Dates columns
This plugin exports grades in xls file, adding two type of columns:
1. Group column,  shows groups’ name which students are enroled. In the “All participants” export (without selection of group), you’ll see a row for each student-group couple, it means that for the same student could have as many rows as groups which he was affiliated.
2. Date columns, for each grade item, shows the last modification date for this item grade (Y.m.d  format)
Install
**********
Copy the plugin directory “xlsgd” into moodlegradeexport.
Check admin notifications to install.