OBMFULL-6285 Don't fail on empty messageSet
OBMFULL-6172 IMAP Archive should be compatible with PHP 5.3.3
OBMFULL-6285 Don't fail on empty messageSet
OBMFULL-6284 Add a test for mapping when ranges
OBMFULL-6284 Faster mapping method
OBMFULL-6283 Filter temporary folders from previous treatments
OBMFULL-6283 Put transactional on lower level