Hangle imap id <= 0 better
It will crash later on when retriving the items if it the ID is <= 0 and not
only when Id == 0
Signed-off-by: 
Carl Schwan <carl@carlschwan.eu>
It will crash later on when retriving the items if it the ID is <= 0 and not
only when Id == 0
Signed-off-by: Carl Schwan <carl@carlschwan.eu>