Working fix for unsigned int conversions
Convert print statement to warning
All uint tests now working
missing colon
parametrize test and other minor changes
Also parametrize uint image tests
fully parametrize uint tests
Fix different hdu number in compressed files.  Also, closes #362 and closes #880
Disable test of 64-bit compressed image
add placeholder for uint parameter
Fix bad except statement
Fix test parameter
Restructure test parameters
Change the way column attributes are assigned
Removed --enable-legacy option
Add PyPI shields to README
changes xorarr back to x for cleaner API
Improve doc example for reordering columns
Fix rst doctests in time package
Fix rst doctests in nddata package