ddfreyne/cri — pull request #40 by ddfreyne (2014-11-29 10:21:28+00:00)
Title: Show possible option values

Potential fix for #37.

To do: handle short options.

There is currently no way to specify what `value` exactly is.

Example:

```
-r --required=value required value
-f --flag forbidden value
-o --optional=[value] optional value
```

CC @bmesuere.