echo in nimble file doesn't use CLI formatting
With https://gist.github.com/dom96/64d55e4e3a85b6ad10fec18e50423349

and ``nimble build --verbose``:

```
    Reading config file at /Users/dom/.config/nimble/nimble.ini
ok1
ok2
  Verifying dependencies for test@0.1.0
   Building test/foobar using c backend
```