Mirai Nikki

Invalid date

- Added device ban [1]
- Added an option to check if there is corrupted data in the diary (and attempt to fix it)
- Added an alert in case user can't add diary entries
- Fixed server ping calculation
- Admin and mods will now have colored alias [2]

[1] Device ban will prevent toxic users to comeback even if they made new accounts, beware.
[2] Only for admin and mods. This way we prevent fake admins and mods.