Fix
* fix: date/time deserialization with fractional seconds (138)
fix multiple where fractional seconds were not properly deserialized or deserialization caused unexpected crashes in py<3.11
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Signed-off-by: Jan Kowalleck <jan.kowalleckgmail.com>
Co-authored-by: Jan Kowalleck <jan.kowalleckgmail.com> ([`f4b1c27`](https://github.com/madpah/serializable/commit/f4b1c27110d1becc76771efffd8dc0a96d629cb5))
Refactor
* refactor: simplify type conversio in `XsdDate`/`XsdDateTime` deserializers (139)
Signed-off-by: Jan Kowalleck <jan.kowalleckgmail.com> ([`d75df5b`](https://github.com/madpah/serializable/commit/d75df5bd07baf3a1e7c716190d4352262cccc06a))