Kovus

I was attempting to scan through files to find ones with a particular property set, and ran into an error: ``` 3: from /work/gitlab/experiments/sharepoint-label-scan/.bundle/ruby/2.6.0/gems/sharepoint-ruby-0.1.1/lib/sharepoint-properties.rb:27:in `block in add_property' 2: from /work/gitlab/experiments/sharepoint-label-scan/.bundle/ruby/2.6.0/gems/sharepoint-ruby-0.1.1/lib/sharepoint-properties.rb:67:in...