Changes
no edit summary
* xISBN/thingISBN use. (Some thought is required in how to integrate this while avoiding false positives). Bowker ISSN service for metadata enhancement. OCLC xISSN? Integrate preceding/succeeding title information from OPAC or xISSN?
* Fix Worldcat registry auto-discovery.
* Add a Worldcat search that uses API, instead of screen scrape.
* Switch OCA search to use OCA native APIs, instead of indexdata mirror index.
