Doing documentation output also in parallel.

    end

    # Writes documentation page for each class

    # We do it in parallel using as many processes as available CPU-s

    def write_pages(path, docs)

      subclasses = Subclasses.new(docs)

      cache = {}

      docs.each do |cls|

      Parallel.each(docs) do |cls|

        filename = path + "/" + cls[:name] + ".html"

        puts "Writing to #{filename} ..." if @verbose

        html = Page.new(cls, subclasses, cache).to_html