fix transformations to use tosys over fromsys for intermed frames
fix up round-tripping test
tweaks from round-tripping test
Moved APE5 API tests for SkyCoord to the right place
Add SkyCoord.to_string() method from original coordinates
Add tests of to_string
Modify hmsdms default; change precedence of styles; improve docs
use skycoord
re-added from_name method
update test to use skycoord instead of icrs
parametrize test
added frame specification
Documentation enhancements in sky coordintae
Make SkyCoord convenience mappings dynamic
Implemented separation on sky coordinates
Get matching working, and separation_* for SkyCoord
Added representation len and shape
fix bool/len/shape behavior for coordinates
Removed string formatting tests that should instead be done in test_sky_coord
get from_name working in API form