Correctly detect and handle invalid input world coordinates.
Add CHANGES entry
Added an additional test and workaround for #3052.
Merge pull request #2965 from mdboom/wcs-bounds-check

Correctly detect and handle invalid input world coordinates.
Merge pull request #3052 from embray/table/issue-3052

Incorrect dtype format used for string columns when initializing Table from rows on Python 3
Do final alignment based on presence of <,>,^,0= in format string
Merge upstream/master.
Implemented column formatting changes.
Fixed whitespace issues.
Testing out rjust adjustment.
Minor change.
Created python3 workaround.
Adding astropy_helpers.