doc
Fix access to object
Provide backtrace of IMAP errors
Fix updating unseen count in folder list when switching views
phpdoc
Correctly update maillog entries when viewing in search mailbox
No need to store contents of message in two mailbox locations

flag and maillog information is the only data that needs to be updated
in all locations, since this is the only data that can change for a
given mailbox/UID combo
Don't need joinIndices()
[mms] Implement logging.

Placeholder config item was in API since 1.0.0, but was never
implemented
Support Horde_HashTable logging
[mms] Prevent unnecessary cache writes when list of UIDs passed to deleteMsgs() is empty.