Add the optional attribute `field_order` to `ConfigModel`. This attribute, when set, is intended to contain all field names in the order in which they are to be displayed. The value of this attribute is returned in the `extra` description of the model.
1.1.10
Adds support for null values in the config files.
1.1.8
Fixes Windows Wheels
1.1.7
Adds Windows Support.
1.1.6
Resolve issues regarding `LayerRetriever`'s `retrieve` method not working due to string encoding issues.