* Extract doc fragment from openssl_csr.
* Refactor openssl_csr module into backend + module.
* Add openssl_csr_pipe module.
* Add seealso references.
* ...
* Use /dev/stdin instead of -, which seems to be only supported by newer openssl versions.
* Bump version.
* DRY: use select_message_digest.
* Fix deprecation version in docs.
* Docs improvements.
* Improve argument spec handling for module backends.
* Linting.
* Fix linting problems by using kwargs.
Felix Fontein