Update action.php, card_form.php, controller.php, index.php, lib.php, locallib.php, mod_form.php, README.md, renderer.php, styles.css, review_form.php, view.php, version.php, backup/moodle2/backup_cardbox_activity_task.class.php, backup/moodle2/backup_cardbox_stepslib.php, backup/moodle2/restore_cardbox_stepslib.php, backup/moodle2/restore_cardbox_activity_task.class.php, classes/output/card.php, classes/output/start.php, classes/output/statistics.php, classes/output/review.php, classes/output/overview.php, classes/output/practice.php, classes/task/remind.php, db/access.php, db/install.xml, db/install.php, db/tasks.php, db/upgrade.php, db/messages.php, js/Chart.bundle.js, js/review2.js, js/overview.js, js/statistics.js, js/review.js, js/start.js, js/practice.js, model/card_selection_algorithm.php, model/cardcollection.class.php, model/card_selection_interface.php, model/card_sorting_interface.php, model/cardbox.class.php, model/card_sorting_algorithm.php, pix/icon.png, pix/icon_19.png, pix/icon_19.svg, pix/icon.svg, pix/icon_21.png, pix/icon_21.svg, pix/icon_25.png, pix/icon_25.svg, templates/card.mustache, templates/cardside.mustache, templates/options.mustache, templates/overview.mustache, templates/practice.mustache, templates/practice_answer_autocheck.mustache, templates/practice_answer_selfcheck.mustache, templates/practice_question_autocheck.mustache, templates/practice_question_selfcheck.mustache, templates/practice_start.mustache, templates/review.mustache, templates/review2.mustache, templates/statistics.mustache, lang/de/cardbox.php, lang/en/cardbox.php files