DB Verbs

db.close (f)
db.countItems (f, path)
db.defined (f, path)
db.delete (f, path)
db.get (path)
db.getModDate (f, path)
db.getNthItem (f, path, n)
db.getValue (f, path)
db.isTable (f, path)
db.new (f)
db.newTable (f, path)
db.open (f, readOnly)
db.save (f)
db.set (path, value)
db.setValue (f, path, value)