Allow other spellings of 'none' with '--addlabel' option.
Allow other spellings of 'none' with '--addlabel' option.

babsey/sumatra,dpad/sumatra,dpad/sumatra,apdavison/sumatra,open-research/sumatra,babsey/sumatra,babsey/sumatra,apdavison/sumatra,open-research/sumatra,babsey/sumatra,maxalbert/sumatra,maxalbert/sumatra,apdavison/sumatra,open-research/sumatra,maxalbert/sumatra,open-research/sumatra,open-research/sumatra,babsey/sumatra,apdavison/sumatra,apdavison/sumatra,maxalbert/sumatra,dpad/sumatra,maxalbert/sumatra,dpad/sumatra,dpad/sumatra