- preludedb-admin has a bew 'count' command, printing the result of a
COUNT() on the database.
- preludedb-admin work on smaller set of data, to prevent large
retrieval error (fix#220, refs #305).
- preludedb-admin handling of interrupted transaction was improved.
- Fix MySQL and SQLite MacOSX detection, by
Uwe Schwartz <usx303 at googlemail.com>. (fix#296).