- Added a new option for `file` sources, which allows to specify a list
of `include` and `exclude` filters
- Added a new option for `file` sources, which allows to disable the
`--delete-excluded` behaviour.
This allows deployment of remote hosts without having ssh access to the
root user. Passwordless sudo is recommended since krops will use
multiple ssh sessions and the password will not be remembered.
Closes https://github.com/krebs/krops/issues/3