Fix SQL for metadata queries in SQLalchemy module.Fix regular expression & capitalization issues
Refs #1766
Accept meta queries at the frontend as well.
Fix SQL for metadata queries in SQLite module.
Support complex metadata queries in the backend - SQLite only and untested.
Escape catch-all characters in LIKE queries.
Refs #1768
Remove deleted version's map.
Refs #1167
Use short public URLs.
Refs #1686
Fix backend.
Reinstate map delete function.
Fixes #1510
Clean up backend initialization options.
Refs #1510
Add backend close method.
Merge policy into node. Needs database reset, or the following commands:
alter table policy rename to pre_policy;create table if not exists policy ( node integer, key text, value text,...
Save hash maps like blocks - based on their hash.
Refs #1169
Make AlchemyBackend a ModularBackend module.
Make modular backend load modules dynamically.