Added a lot of new features:
- Export course information report to Excel
- Minimize application to tray zone
- Search user by firstname, lastname or email
- Any grid can now be sorted by column click
- Copy user email to clipboard
- Last access user in data and time formats
- Odd row colours
- From user can open/show all courses enrolled
- Created under license AGPL v3
- Source file names change to namespaces
- Classes changed to interfaces
- Lot of code optimization and refactoring (some recomendations made by ChatGPT4 :)