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
Fix rst doctests in units
Fix rst doctests in io.ascii
Fix doctest based on @mhvk's feedback
Fix bug with Python 3.2 and Numpy 1.5.x. For the first format that is defined, if it is not deprecated, the length of the deprecated column is zero, and Numpy 1.5.x in Python 3.2 doesn't support
Attempt to fix doctest for fixed width table
replace references to pyfits by fits in io.fits documentation