Add a get_star(id) method.
Fix typo in error (return -> raise)
Add custom exceptions for clarity
Add test module for agasc.get_star()
Change get_star return type to astropy Row
Update get_agasc_cone docstring

Update docstring to note that it returns an astropy Table.
Update get_star docstring

Update docstring to include example and note return type is an
astropy Table Row.
Add missing parenthesis in example text
Update docstring example
Simplify table row creation and fix issue with output types
Update test to use allclose() and limit number per ra,dec to 10
Update version to 0.2
Merge pull request #2 from sot/add_get_star

Add a get_star(id) method.