Datasette-sqlite-fts4

- Now depends on [sqlite-fts4 1.0.3](https://github.com/simonw/sqlite-fts4/releases/tag/1.0.3)

- Now depends on [sqlite-fts4 1.0.2](https://github.com/simonw/sqlite-fts4/releases/tag/1.0.2) for compatibility with big-endian systems.