+ - Fixed RFC2298 incompliancy by setting envelope sender to null.
+ - Fixed problem where setting all the messages on the last page of the
+ message list would return one page higher.
+ - Remove call to perform expunge on mailbox select - auto-expunge will
+ still be performed on message delete, etc.
+ - Allow single quotes to be used in theme name in conf.pl (#805309).
+ - Fixed on the fly decoding of base64 encoded attachments.