Yield with special characters crashes view server

[brailateo]

Emitting string with diacritics crashes server

   def fun(doc):
        if doc.get('tip') == 'TD':
            yield doc.get('def'),"şţăâîŞŢĂÂÎ"

[djc]

Thanks for the feedback! The query server is being reviewed right now in #276, hopefully this can be addressed there.