Fix typo in spec
Merge pull request #227 from jmazzi/bugfix/typo

Fix typo in spec, easy merge
Formatting: removes trailing spaces, adds newline at end of file
Don't fail if feed has not changed

#fetch_and_parse returns 304 (integer) when the If-Modified-Since is older than @feed.last_fetched.
Obviously we should update last_fetched when nothing has changed
Merge pull request #231 from jeroenj/last-modified

Don't fail if feed has not changed
Revert "Obviously we should update last_fetched when nothing has changed"

This reverts commit 25a603083cf613ace7bcb327bb4656ac113a8093.

Actually we do not want this. We should only update that timestamp to what we get back from the feed.
Merge pull request #232 from jeroenj/last-modified

Little mistake in last-modified changes