## v1.0.X
## Enhancements
* Add example playbook.
* localhost line sould not contain hostname information (see https://www.debian.org/doc/manuals/debian-reference/ch05.en.html#_the_hostname_resolution).
## v1.0
### Features
* Manage localhost line in /etc/hosts.
* Manage ipv4 line in /etc/hosts.