* Move disk-independent parts of openssl_privatekey to module_utils and doc_fragments.
* Improve documentation.
* Add openssl_privatekey_pipe module.
* Fallback in case no fingerprints are returned.
* Prevent no_log=True for content to stop module from working correctly.
* Forgot version_added.
* Update copyright. All the interesting code is no longer in this file anyway.
* Remove file arguments.
* Add framework for action modules.
* Convert openssl_privatekey_pipe to action plugin.
* Linting.
* Bump version.
* Add return_current_key option.
* Add no_log to examples.
* Remove preparation for potential later extensibility (easy to re-add when needed).
* Fix deprecation version in docs.
* Use new ArgumentSpec object for AnsibleActionModule as well.
* 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.