Log Message:
Changes 1.2.5:
* Fix procmail vacation rule if no dates are set
* Fix filtering only unseen message if rule should filter all messages in
  IMAP driver

Changes 1.2.4:
* Correctly escape addresses in procmail driver
* Fix procmail scripts when using composite headers
* Support some non-standard Date: headers in Sieve vacation rules
* Support composite header rules with IMAP backends
* Fix unconditional debug output with Net_Sieve earlier than 1.2.0
* Add Sieve configuration to use UTF-8 encoded folder names (for Dovecot)

Changes 1.2.3:
* Log Sieve communication with DEBUG log level.
* Fix Oracle SQL scripts.
* Add Croatian translation
* Add PostgreSQL-specific upgrade script
* Fix procmail vacation rule
* Prevent deadlock with vacation rule in maildrop driver