position -> component
position -> component
Remove out of date comment about Distance -> Quantity conversion, and only apply conversion if self.distance is a Distance object.
Make use of np.hypot
Removed unnecessary check on phi
Changed comment to docstring
Removed comment on changing API
Added docstring about subclassing BaseRepresentation
Merge pull request #1 from astrofrog/ape5-repr-fixes

Implemented fixes from eteq/astropy#10
Implemented __getitem__ on all the coordinate representation objects
Merge pull request #2 from astrofrog/ape5-repr-fixes-2

Implemented __getitem__ on all the coordinate representation objects
Ensure that distance=[1 * u.m, 10 * u.m] gets converted to a Distance object
Merge pull request #3 from astrofrog/ape5-repr-fixes-3

Ensure that distance=[1 * u.m, 10 * u.m] gets converted to a Distance object
Merge pull request #10 from Cadair/ape5-repr

Representation Classes for Coordinates
Layout of basic framework (coauthored by @adrn)
whitespace fixes
revamp of transformation graphs for APE5 scheme