Load up the Exlibris::Aleph::TablesManager when the application starts to save time
user
```ruby
# Load all the sub libraries when the application starts
Exlibris::Aleph::TablesManager.instance.sub_libraries.all
# Load all the item circulation policies when the application starts
Exlibris::Aleph::TablesManager.instance.item_circulation_policies.all
```
assistant