Changes in version 2.2 (2020-05-27)                   

    o   Update jsonld.js to 1.8.1 (final version to support traditional javascript)

    o   Support "alternate location" links: https://www.w3.org/TR/json-ld11/#alternate-document-location

                  Changes in version 2.1 (2019-02-05)                   

    o   Refactor async code to work with upcoming version of V8

                  Changes in version 2.0 (2018-05-03)                   

    o   Update of bunlded jsonld.js library to v1.0.1 (major update)

    o   Update the document loader to work with the new v1.0.1

    o   Improve error message for failed downloads

    o   Switch to curl::parse_header_list(), may fix 'link' parsing

    o   Option 'jsonld_use_accept' (default TRUE) to disable content negotiation

                  Changes in version 1.2 (2017-04-11)                   

    o   Support filename parameters (in addition to URLs and literal json)

    o   Add URLs to DESCRIPTION

    o   Update maintainer contact details

                  Changes in version 1.1 (2016-12-16)                   

    o   Add support for URL parameters

    o   Add unit test suite from http://json-ld.org/test-suite/

    o   Lots of small fixes

                  Changes in version 1.0 (2016-12-09)                   

    o   Initial CRAN release