make an async
pep8
added some SDSS tests & data
added setup package & remote tests
fixing tests
TESTS PASS!!!!!  need to add a file thoguh
added empty file
Besancon tests finally fixed.  There were multiple nested issues in
terms of failed monkeypatching and missing test data files
add needed Besancon test data
Merge pull request #184 from keflavich/besancon_test_fix

`test_query` in `besancon` hangs
return single table when only one catalog
Merge pull request #192 from jdnc/vizier-catalog-fix

Return only a single table rather than TableList for a single catalog
Merge pull request #189 from keflavich/sdss_refactor

SDSS refactoring, with a heavy emphasis on no-remote-tests!
start towards fixing issue 186 by refactoring vizier
added important vizier tests & test data
restored capsys in parametrized test
fixed remote tests