Fix apsw not included in linux binary builds
newdb: Fix undefined custom dates not displaying as blank, depending on time zone
newdb: Enable sorting on the marked field for the find duplicated plugin
newdb: Do not cache searches that search on virtual fields like marked,
since there is no safe way to update such a cache.
Do not search virtual fields on when searching 'all'

Searching virtual fields (such as marked) ona prefix less search
disables search caching.
Ensure that undefined datetimes are always written as UNDEFINED_DATE to
the db
oops
...
Device drivers: Explicitly fsync() all files when writing to devices
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plugin for ebooki.allegro.pl
newdb: Fix sorting of view not stable
Factor out the code to update the GUI, so it can be re-used
newdb: Speed up set_metadata() by not committing the db after individual field writes
Ensure that an error in set_metadata does not cause the memory and disk
data to diverge
Make ignore_errors also work for setting covers
...
Fix drag 'n drop of cover onto conversion dialog not working
improve allegro plugin
newdb: Fix book_id->row mapping broken when asearch is in effect