Liberate MARC data from Voyager.
Be sure to copy config/voyager_helpers.yml.tmpl to config/voyager_helpers.yml
and config/initializers/devise.rb.tml to config/initializers/devise.rb,
then fill out the appropriate values.
Oci8 is a little bit of a pain. See /voyager_helpers/README.md for details.
For now look at config/routes.rb for what's available.
See LICENSE.