bump version to v2.9.0 [ci skip]

Merge pull request #203 from seandstewart/sean/198/update-typing-exte…

…nsions

Update typing-extensions, plus a few fixes for other breaking changes in Python.

Merge pull request #190 from seandstewart/feat/improved-serialization

Improved Serialization

Fix handling of ForwardRef for 3.10.0

Appease the linters.

bump version to v2.7.9 [ci skip]

bump version to v2.7.8 [ci skip]

bump version to v2.7.7 [ci skip]

Merge pull request #187 from seandstewart/bug/namedtuple-user-class-t…

…ranslation

NamedTuples should pass to the translator for deserialization.

Merge pull request #186 from seandstewart/185/derived-typic-klass-rec…

…ursion-error

Fix Recursion Error for Derived Classes of `@typic.klass`