Modified NP_pyfits to return float64 data when image is in int32 format but BZERO or BSCALE is used. CNSHD689678
Modified NP_pyfits to return float64 data when image is in int32 format but BZERO or BSCALE is used. CNSHD689678

git-svn-id: 5305e2c1a78737cf7dd5f8f44e9bbbd00348fde7@337 ed100bfc-0583-0410-97f2-c26b58777a21

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