Change to testPyfitsTable.py to again correct for a change in the way pyfits converts float values to a string.  This time, the change eliminates the dependency of converting floats to strings.
Change to testPyfitsTable.py to again correct for a change in the way pyfits converts float values to a string.  This time, the change eliminates the dependency of converting floats to strings.

git-svn-id: 5305e2c1a78737cf7dd5f8f44e9bbbd00348fde7@365 ed100bfc-0583-0410-97f2-c26b58777a21

embray/PyFITS,embray/PyFITS,embray/PyFITS,spacetelescope/PyFITS,embray/PyFITS,spacetelescope/PyFITS