Checklist

Invalid date

[1.2.6]
- New option: Expand/Collapse all
- Fix minor bugs
[1.2.5]
- Create home shortcut of project
- Update Android Oreo compatibility
- Improve loading of tabbar
[1.2.4]
- Export/Import project to json file with all style options
- Make persistent post-it notification(Recover notification when boot completed or app updated)
- New option: Can't be checked unless check all sub tasks
- New option: When all sub tasks are checked, checks the parent task