How to view stdout through console?

I would like to view stdout in the better_errors console. Specifically it's much easier to view a large object via pretty_generate, for example something like this (output in `irb`):

```
>> puts JSON.pretty_generate({ foo: 'bar' })
{
"foo": "bar"
}
=> nil
```

but the better_errors console does not provide stdout for `puts`, and `JSON.pretty_generate` doesn't stdout either:

```
>> JSON.pretty_generate({ foo: 'bar' })
=> "{\n \"foo\": \"bar\"\n}"
>> puts JSON.pretty_generate({ foo: 'bar' })
=> nil
```

Is there a way to do this?