ndb: make id lookups const (William Casarin)
ndb: add db directory argument (William Casarin)
test: add test for fuzz crash (William Casarin)
pushed to nostrdb:refs/heads/master
http://git.jb55.com/nostrdb/commit/6e7df990b3e1163f7ec7e2c4beb71b885bd07b1f.html