func (a *AuthorFilterPluginWrapper) ReceiveComment(comment sql.Comment) []Point {
	if a.match(comment.User) {
		return nil
	}
	return a.plugin.ReceiveComment(comment)
}
func (a *AuthorFilterPluginWrapper) ReceiveComment(comment sql.Comment) []Point {
	if a.match(comment.User) {
		return nil
	}
	return a.plugin.ReceiveComment(comment)
}
// ReceiveComment calls plugin.ReceiveComment() if the author is not filtered