IMAP: remove redundant logging during STORE
POP3/IMAP: simplify message accessors
IMAP: increase buffer size for dates in sql queries
IMAP: prevent assertion in sequence-set parser
IMAP: include user-id in login accepted log-message
IMAP: regression fix
include stdbool.h to help older GCC versions
LMTP: acknowledge delivery for all recipients
bump and tag version 3.1.2
IMAP: small bugfix in sequence-set scanner
IMAP: cleanup datefield header-caching
lower loglevel for deprecation warning
IMAP: fix order of headers in fetch
POP3: fix crash after too many errors
IMAP: fix sort while searching headers
3_1 backport: load-test the write-event handling
3_1 backport: fix hanging deamon
3_1 backport: give up trying to write to clients after fatal errors
IMAP: load-testing
POP: plug file-descriptor leak

regression introduced in b9da933bebb082c36cf060d43ddd146fd74b4e2a