* add "if_key_exists"
* add test
* fix flag
* fix SSH connection commands
* add test for if_key_exists=ignore
* add test for if_key_exists=fail
* add tests to Windows / macOS
* update CHANGELOG
* update badges
* update README
* fix README
* update README
* test no_known_hosts parameter
* implement
* ignore known_hosts if no_known_hosts is true
* refactor
* no_known_hosts is false
* Revert "no_known_hosts is false"
This reverts commit 206d310c5c.
* test on Windows / macOS
* test on Docker containers
* add tests for Docker containers
* test no_known_hosts parameter
* implement
* ignore known_hosts if no_known_hosts is true
* refactor
* no_known_hosts is false
* Revert "no_known_hosts is false"
This reverts commit 206d310c5c.
* test on Windows / macOS
* test on Docker containers
* use `known_hosts: no` instead of `no_known_hosts: true`
* update README
* update README
* "known_hosts: no" -> "known_hosts: unnecessary"
* update README
* update README
* update CHANGELOG