code: def entry(id, query = {})
        normalize_select!(query)
        query['sys.id'] = id
        entries = Request.new(self, environment_url('/entries'), query).get
  
        return entries if configuration[:raw_mode]
  
        entries.first
      end
docs: Gets a specific entry
  
   @param [String] id
   @param [Hash] query
  
   @return [Contentful::Entry]