Based on https://github.com/zendframework/zend-diactoros/releases/tag/2.0.2 (commit e97ba2153497598151de29a13515e1a714d1d99d in this repo)

Added
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- Nothing.

Changed
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- Nothing.

Deprecated
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- Nothing.

Removed
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- Nothing.

Fixed
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- [zendframework/zend-diactoros#344](https://github.com/zendframework/zend-diactoros/pull/344) provides a fix to ensure that headers with a value of "0" are retained.