added a save_fits method on the file container
added tests for the save_file methof
fixed NED test
Merge pull request #233 from keflavich/save_cached

Save cached
fix bug with specified simbad votable comments and add more descriptive
error message
tests for the bugfix implemented in previous
Merge pull request #235 from keflavich/simbad_votable_fields

Bugfix: SIMBAD VOTABLE fields should allow multiple fluxdata entries
Add multi-object query for SIMBAD
Add code to preserve responses for simbad
Better treatment of errors in SIMBAD
Add test for multi-object simbad queries
changed multi-object simbad to have a separate method query_objects
Docstring fix pointed out by @keflavich
fix for broken test
Merge pull request #230 from eteq/multi-obj-simbad

Multi object queries for simbad
Merge branch 'master' of github.com:astropy/astroquery