    # File lib/gem_plugin.rb, line 229
        def config(gem_name, options={})
          config_file = Manager.instance.resource(gem_name, "/defaults.yaml")
          if config_file
            begin
              defaults = YAML.load_file(config_file)
              return defaults.merge(options)
            rescue
              raise "Error loading config #{config_file} for gem #{gem_name}"
            end
          else
            return options
          end
        end