def load_yaml
      yaml_config_files = @filenames[:yaml]
      yaml_config_file = nil

      yaml_config_files.each do |file|
        yaml_config_file = Utils.lookup_file file
        unless yaml_config_file.nil?
          config = Utils.load_yaml(yaml_config_file)
          return config.empty? ? @default_config : @default_config.merge(config)
        end
      end

      @default_config # Return default config when can't load config file
    end
def load_yaml
      yaml_config_files = @filenames[:yaml]
      yaml_config_file = nil

      yaml_config_files.each do |file|
        yaml_config_file = Utils.lookup_file file
        unless yaml_config_file.nil?
          config = Utils.load_yaml(yaml_config_file)
          return config.empty? ? @default_config : @default_config.merge(config)
        end
      end

      @default_config # Return default config when can't load config file
    end
Find and load YAML config file.