Revision & Media Utilities

[SpanishCat]

• Added get_image and get_all_images
• Added from_timestamp, id_of_page and name_of_page
• Added support for revisions
• Changed get_media to get_media_details
• Added get_article_data
• Classes are more sorted-out
• A few minor(er) stuff

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This discussion was created from the release Revision & Media Utilities.