problems with update for Feedzirra

feedzirra_console_not_actually_a_file.rb

# Full parse - note modified timestamp

>> Feedzirra::Feed.fetch_and_parse("http://oodlesofart.blogspot.com/feeds/posts/default")
=> #<Feedzirra::Parser::Atom:0x103403d38 
@feed_url="http://oodlesofart.blogspot.com/feeds/posts/default",
@links=["http://oodlesofart.blogspot.com/feeds/posts/default", ...], 
@entries=[...], @title="Oodles of Art", 
@etag="W/\"DUAFQnk6cCl7ImA9WxNQEUQ.\"", 
@url="http://oodlesofart.blogspot.com/", 
@last_modified=Thu Sep 17 07:28:33 -0700 2009>


# Now start with previous data
>> rss_feed = RssFeed.find_by_url("http://oodlesofart.blogspot.com/")
=> #<TeacherFeed id: 16, title: " Oodles of Art", 
feed_url: "http://oodlesofart.blogspot.com/feeds/posts/default/", 
feed_updated_date: "2009-09-16 11:05:27", url: "http://oodlesofart.blogspot.com/", 
etag: "W/\"A0YGRn44cSl7ImA9WxNQEEQ.\"">

# Set starting variables

>>     feed_to_update =  Feedzirra::Parser::Atom.new
>>     feed_to_update.feed_url = rss_feed.feed_url
>>     feed_to_update.etag     = rss_feed.etag
>>     feed_to_update.last_modified = rss_feed.feed_updated_date

>>     last_entry     = Feedzirra::Parser::AtomEntry.new
>>     last_entry.url = (first_article = rss_feed.rss_articles.first) ? first_article['link'] : nil
>>     feed_to_update.entries = [last_entry]

# make sure that worked

>> feed_to_update
=> #<Feedzirra::Parser::Atom:0x102da7d18 
@feed_url="http://oodlesofart.blogspot.com/feeds/posts/default", 
@entries=[#<Feedzirra::Parser::AtomEntry:0x102d94510 @url="http://oodlesofart.blogspot.com/2009/09/miro-funky-people-1st-grade.html">], 
@etag="W/\"A0YGRn44cSl7ImA9WxNQEEQ.\"", 
@last_modified=Wed, 16 Sep 2009 04:05:27 PDT -07:00>

# OK, get the update

>> updated_feed = Feedzirra::Feed.update(feed_to_update)
=> #<Feedzirra::Parser::Atom:0x102da7d18 
@feed_url="http://oodlesofart.blogspot.com/feeds/posts/default", 
@links=[], @title="Oodles of Art", 
@entries=[#<Feedzirra::Parser::AtomEntry:0x102d68bb8 @published=Thu Sep 17 14:25:00 UTC 2009,...>...], 
@etag="W/\"A0YGRn44cSl7ImA9WxNQEEQ.\"", 
@url="http://oodlesofart.blogspot.com/", 
@last_modified=Wed, 16 Sep 2009 04:05:27 PDT -07:00, @updated=true>


# Note that there is a new entry in there, but the last_modified date has not changed