Block a user
Replace bytecode, templates and, menu storage with db.GdbmDb
Possibly bad choice, need to confirm that can have multiple concurrent readers.
LOAD gets re-executed in async mode
attempted fix in go-vise c20d557a3dbbb71a54cc4e6a10e9096ef72af5cb
LOAD gets re-executed in async mode
When moving down from node, it seems to re-execute the current node before moving.