New wrappers: notmuch_query_get_sort(): QUERY.sort notmuch_query_get_query_string(): QUERY.to_s
Raise RuntimeError instead. Also revise Notmuch::Database a bit. Add Notmuch::Database.open singleton method.
Let the user destroy objects that she wants explicitly. It's not possible to specify the order objects are garbage collected. See id:86y6f8v838.fsf@harikalardiyari.ev on ruby-talk for more information.
