Add serializing RSS items and change NewFeed to New

rss/feed.go

@@ -35,7 +35,7 @@ func (feed *Feed) ID() string {
 	return strings.Join(regexp.MustCompile("[a-zA-Z0-9]*").FindAllString(feed.Link, -1), "_")
 }
 
-func NewFeed(source, itemFilter, contentFilter string) (*Feed, []*Item, error) {
+func New(source, itemFilter, contentFilter string) (*Feed, []*Item, error) {
 	if _, err := regexp.Compile(itemFilter); err != nil {
 		return nil, nil, err
 	}