Add initial toplevel constants exclusion patterns
Add initial toplevel constants exclusion patterns

* See https://github.com/ruby/mspec/pull/41

nobu/rubyspec,nobu/rubyspec,eregon/rubyspec,ruby/spec,eregon/rubyspec,ruby/spec,nobu/rubyspec,ruby/rubyspec,eregon/rubyspec,ruby/rubyspec,ruby/spec