argos83/marvin

If you want to share an idea :bulb:, feel free to delete all this and just write what you want.
If you are reporting a bug :bug:, remove this paragraph and fill following:

#### Describe your problem

#### What command line options do you use?

```
$ marvin ( write your CLI options here )
```

#### What is in your `marvin.yml`?

```yaml
( paste your marvin.yml contents here )
```

#### What's your `marvin --version` output?

```
( paste your output here )
```

#### Can you send us failing test in a Pull Request?