v2.8.9

1. Fixed Internal Server Error caused by email validating (NoneType)
   • This includes: accepting a user / submitting an application when the user's email is not set
2. Fixed invalid email ("None") being stored in database
3. Made PATCH /user/profile to return updated user info as response (which also clears user info cache)

Note: This update will attempt to change all "None" (string) email in database to NULL (NULL)