…his fix was needed. This is more of a followup to astropy#130 to catch some more cases where simply calling getattr() on some objects can result in a non-AttributeError exception.

…f full filenames (with extensions). Also fixes related to the fact that the source_suffix option can be a list in Sphinx 1.3 (actually, we avoid using that option altogether here).

… from working with objects that are imported into the module being documented, rather than being defined directly in that module. See astropy#148 (comment)

…ch, and fixes the issue with Sphinx 1.3 and syntax issues using Python 2.