* Move acme.py to acme/__init__.py to prepare splitup.
* Began moving generic code out.
* Creating backends.
* Update unit tests.
* Move remaining new code out.
* Use new interface.
* Rewrite module init code.
* Add changelog.
* Add BackendException for crypto backend errors.
* Improve / uniformize ACME error reporting.
* Create ACMELegacyAccount for backwards compatibility.
* Split up ACMEAccount into ACMEClient and ACMEAccount.
* Move get_keyauthorization into module_utils.acme.challenges.
* Improve error handling.
* Move challenge and authorization handling code into module_utils.
* Add split_identifier helper.
* Move order code into module_utils.
* Move ACME v2 certificate handling code to module_utils.
* Fix/move ACME v1 certificate retrieval to module_utils as well.
* Refactor alternate chain handling code by splitting it up into simpler functions.
* Make chain matcher creation part of backend.
* 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.
* Add CI group 2 for Ansible 2.9 tests.
* Temporarily disable some nodes.
* Fix ignore.txt.
* Use version prefix instead of groups.
* Ansible 2.9 doesn't support Python 3.9
ci_complete
* Make Ansible 2.9 compatible.
* Replace archive/unarchive with copy.
* Remove dependency on community.general in integration tests for Ansible 2.9.
* Let's see.
* Ansible 2.9's copy doesn't create directories.
* Re-enable no dependency.
ci_complete
* path should be bytes.
* Reenable nodes, add two more.
* Force complete CI run for Ansible 2.9.
* Used wrong variable.
* Fix Ansible 2.9 compatibility...
* Get rid of ansible.netcommon requirement by integrating module_utils/compat/ipaddress.py.
* Reorder imports.
* Update ignore.txt for plugins/module_utils/compat/ipaddress.py.
* Linting (flake8 / pep8).
* Remove accidentally commited test for ansible/ansible#66920.