[Suggestion] Make 'update sign-in credentials' non-destructive
With the update to 1.0.7.16 came the Generic CalDav account. Great! If you look at one of those accounts in the Settings app, there is a pulley menu with an entry called update sign-in credentials. It's pretty obvious where this leads to but the moment you select the menu entry, the password is lost. There is no way to cancel this action.
An IMHO better approach would be to let the user swipe back to cancel and only change the password if the save button is tapped.