def include_template(*files)
      include_base = options[:include_base] || File.dirname(caller.first.split(/:\d/,2).first)
      files.each do |file|
        path = File.join(include_base, file)
        include_file(path)
      end
    end
def include_template(*files)
      include_base = options[:include_base] || File.dirname(caller.first.split(/:\d/,2).first)
      files.each do |file|
        path = File.join(include_base, file)
        include_file(path)
      end
    end
Includes template code from one or more files, and evals it in the context of this stack.
 Filenames are relative to the file containing the invocation of this method.