* Adds getters and setters for boolean schema true and false
* Updates CodegenModel
* Updates codegenProperty
* Updates codegenparameter and codegenresponse
* Adds comments describing the new properties
* Updates additionalProperty setting for python-experimental
* Sample regenerated
* Docs updated
* Do not write additionalProperties when they are unset
* Updates criteria for when DictSchema subcalsses are created
* Adds NotAnyTypeSchema when a schema is False
* Updates new kwargs signature
* Updates get_item type hints
* Updates sample, readme updated
* Simplifies method calls
* Adds get_item_oapg, removes unset from get_item and getattr
* Sample regenrated
* Fixes tests
* Raises AttributeError if a property is not required and it is dotname accessed
* Fixes one test
* Fixes 3 tests
* Fixes test
* Fixes two more tests
* Fixes test
* Fixes two tests
* Fixes two tests
* Tests fixed
* Unit test sample regerated, fixed unset addprops required type hint issue
* Migration guide updated
* Samples regenerated
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