Changed self:: to static:: for greater extensibility.
Eliminated direct use of \VuFind\Config\Reader.
Eliminated direct use of \VuFind\Config\Reader.
Inject configuration into Summon connection.
Inject WorldCat configuration.
Inject configuration into WorldCatUtils.
Inject configuration.
Inject configuration.
Inject configuration.
Cleaned up use statements.
Whitespace cleanup.
HMAC-related dependency injection.