Change log for the estriction by single quiz question availability condition

Changes in 1.3

This version is compativle with Moodle 3.11 and 4.0.

Changes in 1.2

Correct a silly mistake with the version number.

Changes in 1.1

Fix a bug where the privacy provider code used the wrong namespace. (Thanks Luca Bösch.)

Changes in 1.0

Time to call this a stable release.
Fixed a small bug with how the quiz name is formatted for output.

Changes in 0.9.1

Fix a bug with the description when 'not' was applied.
Coding style fixes.

Changes in 0.9.1

Coding style fixes.

First released version 0.9.0

Initial working version of the plugin.