Piccolo

------
Improved the UI when the network is slow (courtesy sinisaos).

With ``FormConfig``, if the Pydantic model has a default value provided, this
is rendered in the form UI (thanks to simplynail for this idea).

-------------------------------------------------------------------------------

------
The ``textarea`` and ``button`` elements were using the browser's default font,
instead of our custom font.

Improved the docstring for ``create_admin``.

-------------------------------------------------------------------------------

------
Fixed a bug where a filter for a column with choices defined would default to
``Null`` instead of ``All``.

-------------------------------------------------------------------------------

------
Added new UI for the foreign key selector.

-------------------------------------------------------------------------------

------
* Fixed a bug when multiple tables inherit from the same mixin (thanks to
brnosouza).
* Added a ``log_queries`` option to ``PostgresEngine``, which is useful during
debugging.
* Added the `inflection` library for converting ``Table`` class names to
database table names. Previously, a class called ``TableA`` would wrongly
have a table called ``table`` instead of ``table_a``.
* Fixed a bug with ``SerialisedBuiltin.__hash__`` not returning a number,
which could break migrations (thanks to sinisaos).

-------------------------------------------------------------------------------

------
Improved ``Array`` column serialisation - needed to fix auto migrations.

-------------------------------------------------------------------------------