EXT: Added attempts agument to SPARQL enqueue predicate.
DEB: Use module HTTP exception reporting for SPARQL query error catching.
DEB: Added error handling to 'SPARQL_query'/4.
NEW: Use module file_type for detecting RDF serializations in files.
SC: Simplified code for loading RDF from file: graph and format options handled by separate predicates.
EXT: Added option `mime` for loading RDF from file.
NEW: added flickrwrapper_cache/[1,3] that can be used to cache photo descriptions on DBpedia.
DEB: added a new debug flag `high` that is intended to be cross-module and that will be on during development.
NEW: ability to recognize more MIME types: application/x-turtle, application/rdf+xml, text/xml.
NEW: added 'SPARQL_[current,register]_remote_domain/2 for using the same SPARQL enpoint for IRIs with different domains.
EXT: additions to pre-registered SPARQL endpoints.
SC: Use of SPARQL_query in places where SPARQL_enqueue was used before.
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