1.3.0 release of Seshat.

Changelog:

* Switched the SQLite connection to WAL mode, this should mean that
writes won't block reads anymore, searching should never fail because of
a busy database connection.

* The number of hits is now returned with the search result.

1.2.0 release of Seshat.

Changelog:

- Fix to filter out null bytes from malicious events.
- Tantivy schema changes to allow the removal of events as well as
  to support more advanced search (search by sender, time interval) in
  the future.
- Support to reindex the database without the need to download all the
  events again.
- Support to remove events.

Release 1.1.0 of Seshat.

This is mostly a bug fix release, this version depends on a new Tantivy
release that fixes a critical memory leak.

1.0.0 relsase.

Release 0.3.0.

0.2.0 version.