master
use wrappers instead of direct reads from and (merge from branch:ensure)
keep current revset_id as global, use current_revset()
include trim() in GET/POST wrappers
get_ne_objects now uses tagset_id
use JSON in all AJAX calls, closes #78
move readonly flag; make sql_prepare depend on readonly flag; make backup to YaDisk silent
(migration) drop sentence check, see issue #829
fixed wantmore achievement