In UserInput plug, allow unicode prompt_id (#562)
In UserInput plug, allow unicode prompt_id (#562)


google/openhtf,jettisonjoe/openhtf,google/openhtf,ShaperTools/openhtf,google/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,ShaperTools/openhtf,google/openhtf