freshshell/fresh — pull request #88 by akatov (2013-08-15 19:12:34+00:00)
Title: added --allow-empty option to not raise an error on a missing file

useful if a file name depends on an environment variable:

```bash
fresh-options --file=~/.my-file --allow-empty
fresh config/my-file/default
fresh config/my-file/$PROFILE
fresh-options
```