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* `table.Column.boolean` changed from fontawesome icon to unicode check mark
* `<meta>` viewport by default
* `SearchVectorField` default None factory
* select2 change triggers form change, but field can be outside a form for js purpose
* Move the data-endpoint and data-iommi-id html attributes to the table container. This is to avoid them being over-written by any empty_message provided resulting in no table tag being rendered
* added `IommiBase.getContainer` in JS
* `default_sort_order` should be indicated in the table header
* Don't fail on non-integer pk values on pk lookup
* Fix for rare synthetic traceback issue