Kulla: JShell API ready for round two review

[Jan Lahoda]

On 31.7.2015 03:04, Robert Field wrote:
>> 7.  SCA.SuggestionKind -> only has two kinds.  Perhaps replace with a boolean (or numeric) indicator of quality?
>
> Sounds reasonable to me.  Jan?
>

I used an enum mainly to simplify possible future enhancements. We can 
use a boolean if that is preferred.

Thanks,
     Jan