Address final round of reviewer feedback.
Address final round of reviewer feedback.

grybmadsci/openhtf,amyxchen/openhtf,ShaperTools/openhtf,jettisonjoe/openhtf,google/openhtf,fahhem/openhtf,grybmadsci/openhtf,grybmadsci/openhtf,ShaperTools/openhtf,fahhem/openhtf,fahhem/openhtf,google/openhtf,jettisonjoe/openhtf,google/openhtf,google/openhtf,fahhem/openhtf,jettisonjoe/openhtf,grybmadsci/openhtf,amyxchen/openhtf,jettisonjoe/openhtf,ShaperTools/openhtf,ShaperTools/openhtf,ShaperTools/openhtf