Feedparser

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* Added the inchannel to the if statement, otherwise its useless. Fixes the problem JD was addressing by adding it. (JB)

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* Changed parse() so that if we don't get anything because of etag/modified, return the old etag/modified to the caller to indicate why nothing is being returned

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* Use inchannel to watch out for image and textinput elements which can also contain title, link, and description elements (JD)
* Check for isPermaLink='false' attribute on guid elements (JD)
* Replaced openAnything with open_resource supporting ETag and If-Modified-Since request headers (JD)
* Parse now accepts etag, modified, agent, and referrer optional arguments (JD)
* Modified parse to return a dictionary instead of a tuple so that any etag or modified information can be returned and cached by the caller (JD)

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* Fixed infinite loop on incomplete CDATA sections

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* Fixed namespace processing on prefixed RSS 2.0 elements
* Added Simon Fell's test suite