Wagtail-instance-selector

- Wagtail 5.0+ - Update get_value_data to assign None value instead of empty string
PR: https://github.com/ixc/wagtail-instance-selector/pull/36

- Add support for Wagtail 5 and drop support for all Wagtail versions before 4.1.
PR: https://github.com/ixc/wagtail-instance-selector/pull/28
PR: https://github.com/ixc/wagtail-instance-selector/pull/35

- Fix Django 3.2+ compatibility re: default_app_config declarations
PR: https://github.com/ixc/wagtail-instance-selector/pull/24

- Fix version check for WidgetWithScript.get_value_data 17
PR: https://github.com/ixc/wagtail-instance-selector/pull/17

- Wagtail 2.13 compatiblity.
PR: https://github.com/ixc/wagtail-instance-selector/pull/14

- Fix for custom user model compatibility.
PR: https://github.com/ixc/wagtail-instance-selector/pull/13.