Bravado-core

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- Make unmarshalling objects roughly 30% faster - `PR 182`_.

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- Add support for Swagger spec flattening - `PR 177`_.
- Fix handling of API calls that return non-JSON content (specifically text content) - `PR 175`_. Thanks mostrows2 for your contribution!
- Fix error message text when trying to unmarshal an invalid model - `PR 179`_.

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- Fix support for object composition (allOf) for data passed in the request body - `PR 167`_. Thanks Zi Li for your contribution!
- Return the default value for an optional field missing in the response - `PR 171`_.

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- Fix unmarshalling of null values for properties with no spec - `Issue 163`_, `PR 165`_.

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- Fix backward-incompatible Model API change which renames all model methods to have a single underscore infront of them. A deprecation warning has been added - `Issue 160`_, `PR 161`_. Thanks Adam Ever-Hadani for the contribution!

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- Added support for nullable fields in the format validator - `PR 143`_. Thanks Adam Ever-Hadani
- Add include_missing_properties configuration - `PR 152`_
- Consider default when unmarshalling - `PR 154`_
- Add discriminator support - `PR 128`_, `PR 159`_. Thanks Michael Jared Lumpe for your contribution
- Make sure pre-commit hooks are installed and run when running tests - `PR 155`_, `PR 158`_