Recursive-open-struct was written by these fine people: * Cédric Felizard * Federico Aloi * fervic * Kris Dekeyser * Matt Culpepper * Matthew O'Riordan * Offirmo * Pedro Sena * Peter Yeremenko * Sebastian Gaul * Thiago Guimaraes * Tom Chapin * Victor Guzman * William (B.J.) Snow Orvis