from VuFind documentation: "item_id - the item (as opposed to bibliographic)
identifier (optional)"

-> when parsing JSON take $item["id"] as item_id

- currently only works for Solr; Summon implementation probably possible with some variation.

- metadataPrefix is a required argument for ListIdentifiers request
- headers should be returned only if the metadata format matching the supplied metadataPrefix is available or, depending on the repository's support for deletions, has been deleted

- Includes non-Javascript support for advanced searches
- Simplifies EDS implementation by eliminating redundant JS

- added IDs to cart confirmation controls to assist testing.

- Also made "checked out items" list sorting account for titles.

rel="nofollow"

Added support for specifying priorities for Voyager item statuses so that the most important status can be displayed in holdings.

- In the future, this whole class should probably be factored away.

- Thanks to Ere Maijala for the suggestion.

- Resolves VUFIND-1103

Some fix for new Zend Framework