merge

# File lib/bundler/spec_set.rb, line 114
    def merge(set)
      arr = sorted.dup
      set.each do |set_spec|
        full_name = set_spec.full_name
        next if arr.any? {|spec| spec.full_name == full_name }
        arr << set_spec
      end
      SpecSet.new(arr)
    end