Narwal

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* replaced mutable default argument list() in ListBlob with the proper idiom

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* fixed ImportError during installation

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* added api_type='json' to all POST data
* Reddit.post() now returns a (json) dict instead of requests.Response object.
* all POST methods that originally returned a requests.Response object now
return something different. See the docs for more details.
* Listing.next_listing() now works with comment listings
* fixed Reddit.submit_link() and Reddit.submit_text()
* fixed Reddit.distinguish()
* fixed Reddit.flairlist() and Reddit.flair()
* added Reddit.by_id()
* added Subreddit.flairlist(), Subreddit.flair(), and Subreddit.flaircsv()
* changed PostError.errors to return error list exactly as returned by reddit
* renamed relative_url to reddit_url and made it work nicely with absolute URLs
* added Link.refresh() and Message.refresh()
* removed Reddit.hide_message() and Reddit.unhide_message()
* added limit kwarg to Reddit.moderators() and Reddit.contributors()
* added types 6=link, 7=message to work with local reddit instance
* added extensive test coverage for the reddit module
* fixed several doc errors

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* added Reddit.user_overview()
* attempting to "load more comments" via Listing.more() or .next_listing()
now raises UnsupportedError()

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* added limit parameter to Reddit.info()
* changed Reddit._subreddit_get() parameter order and removed default values
* fixed default value for items in ListBlob to be list() instead of []
* added list methods to ListBlob
* fixed Thing.__unicode__() to always return a string (u'' instead of None)
* added utf-8 coding declaration to source files
* more tests

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* automatically un-html-escape unicode chars
* fixed ValueError due to zero length fields when string formatting in older
versions of Python (thanks staticsafe)