When we fail to swap identity providers and then we fail to swap back,
we swallow the first exception.  Log it.
ORM::clear_cache() is now covered by ORM::reload_columns(true)
We don't need to clear the database cache, I don't think.
We don't need to clear the database cache.
Restore our simple error page for CLI interactions.
Update Database_Query_Builder_Update::set() API usage.
Merge branch 'kohana_3' of github.com:gallery/gallery3 into kohana_3