* [AP_ARCHIVE_EXT,FIX,SC] Fixed bugs + simplified code.
* [AP_DB,FIX] Instantiation pattern for ap_stage_resource/3 + rdf_meta declarations.
* [AP_DOWNLOAD,CKAN_AP,FIX] The Accept header cannot always be set.
* [AP_FILE_SIZE,FIX] Gather files recursively.
* [AP_VOID_STAT,EXT] Added support for HTTP Content-Type MIME types and CKAN catalogue MIME types.
* [ARCHIVE_EXT,FIX] Fixes for setting the output directory.
* [ARCHIVE_EXT,FIX] Non-default file extensions were not recognized.
* [DIR_EXT,FIX] link_directory_contents/2 also links directories and contents recursively.
* [RDF_SERIAL,EXT] Support for multiple MIME types per serialization format.
* [RDF_SERIAL,EXT] Use file extension as fallback option for determining the serialization format.