New storage backends for Durus?

Durus, the little python object db that could, seems to suddenly be getting two new storage backends. Jesus Cea announces that he is working on a BerkeleyDB storage backend, and Peter Wilkinson announces another one for SQLite.

Both are motivated by the desire to Durus more usable for large data collections, such as start-up speed and impact on memory usage. And, both agree that working with the small and effective Durus code base is a joy...