Fix __all__ to include missing functions
Add ability to use astropy coord instance
Update docs page for SHA with new query method
restructuring of simbad docs and addition of edit on github extension
some pep8ification, NED doc fixes (can't have a literal block after
"returns" in numpydoc)
Add class_or_instance class to astroquery/utils
Added a brief class description
Added query.py for BaseQuery class
Add astroquery.exceptions
Merge pull request #114 from jdnc/add-exceptions-module

Add astroquery.exceptions
Added functools.update_wrapper approach to preserve function metadata.
Renamed file to class_or_instance.py
Added test for class_or_instance
Changed import in init file as per rename
made minor fix regarding whitespace in docstring assert
Merge pull request #111 from jdnc/class-or-instance

Add class_or_instance class to astroquery/utils
Added new QueryWithLogin class and removed unnecessary methods
Merge pull request #113 from jdnc/add-query-class

Added query.py for BaseQuery class
Merge pull request #96 from keflavich/simbad_example

restructuring of simbad docs and addition of "edit on github" extension
monkeypatched simbad tests