Change log for the Variable numeric with units question type

Changes in 1.8

This version works with Moodle 4.0.
Question default options are added.
Privacy declaration added.
Automated test failures are fixed.
Switch from Travis to Github actions.

Changes in 1.7

Support for Moodle mobile app for questions that don't use the superscripts/subscript editor.
Better grading when the allowed error is very small.
Update Behat tests to pass with Moodle 3.8.

Changes in 1.6

Fix Behat tests to work in Moodle 3.6.

Changes in 1.5

Fix version dependency error with pmatch.

Changes in 1.4

New option, requiring a space between the number and the unit for thr response to be correct.
Privacy API implementation.
Update to use the newer editor_ousupsub, instead of editor_supsub.
Setup Travis-CI automated testing integration.
Fix a backup and restore bug.
Fix the feedback given when the unit was missing from the student's response.
Fix a bug when analysing responses for the quiz statistics report if there was a blank response.
Minor usability improvement on the editing form.
Fix some automated tests to pass with newer versions of Moodle.
Fix some coding style.
Due to privacy API support, this version now only works in Moodle 3.4+ For older Moodles, you will need to use a previous version of this plugin.

1.3 and before

Changes were not documented here.