Xsdata

- Added codegen support for **WSDL 1.1 and SOAP 1.1** bindings.
- Added experimental web services client.
- Added cli flag `--ns-struct` to group classes by target namespaces.
[206](https://github.com/tefra/xsdata/issues/206)
- Added parser config to support xinclude statements.
[207](https://github.com/tefra/xsdata/issues/207)
- Added new xml union node to improve bindings for fields with union type.
[207](https://github.com/tefra/xsdata/issues/207)
- Fixed class resolve issue with mixed namespaces.
[204](https://github.com/tefra/xsdata/issues/204)
- Fixed attribute comparison issue. [209](https://github.com/tefra/xsdata/issues/209)
- Fixed data type mapping for various schema elements.
[221](https://github.com/tefra/xsdata/issues/221)
- Fixed mixed content handling. [213](https://github.com/tefra/xsdata/issues/213)
- Code cleanup & 100% coverage.

- Updated analyzer to allow abstract types to be generated.
[199](https://github.com/tefra/xsdata/issues/199)
- Removed support to generate code from multiple sources.
[172](https://github.com/tefra/xsdata/issues/172)
- Fixed naming conflict with AttributeGroup analyzer handler.
[194](https://github.com/tefra/xsdata/issues/194)
- Fixed analyzer to merge redefined attribute groups.
[196](https://github.com/tefra/xsdata/issues/196)
- Fixed analyzer to block inheritance on xs:override derived types.
[198](https://github.com/tefra/xsdata/issues/198)
- Refactored code to prepare for wsdl support.

- Updated XmlSerializer to render default namespace whenever possible.
- Fixed issue generating modules outside the target package.
- Fixed issue not creating nested package **init** files.
- Code cleanup & docstrings

- Added version option in the xsdata cli.
- Added generation of missing python **init** files.
- Added support for default values to inner enum classes.
- Fixed multiple issues with abstract classes and attributes/extension flattening.
- Fixed instance cross references causing codegen unpredictable results.
- Fixed xml serialization of wildcard attributes with user defined model values.
- Fixed issue with redefined/override elements with annotations.
- Fixed expand attribute groups recursively.
- Fixed false positive circular references.
- Fixed enumeration unions detection.
- Refactored ClassAnalyzer to smaller components.

- Fix flattening enumeration unions.
- Fix generation for enum fields with default/fixed value.
- Fix duplicate attribute names handler to be case-insensitive.

- Added support to fetch remote schemas.
- Updated duplicate attribute names handling.
- Updated code generation for enum type fields and default values.
- Fixed issue not generating classes derived from simple types.
- Fixed analyzer reaching the maximum recursion depth.
- Fixed analyzer to flatten properly inner self referencing classes.
- Moved dataclasses python conventions to jinja filters.