Update slicing to return arrays instead of subimages.
Update slicing to return arrays instead of subimages.
alexis-roche/register,alexis-roche/register,arokem/nipy,arokem/nipy,alexis-roche/nireg,bthirion/nipy,bthirion/nipy,alexis-roche/nipy,alexis-roche/niseg,alexis-roche/nipy,arokem/nipy,alexis-roche/niseg,nipy/nipy-labs,nipy/nireg,nipy/nireg,nipy/nipy-labs,arokem/nipy,alexis-roche/nipy,bthirion/nipy,alexis-roche/nipy,bthirion/nipy,alexis-roche/register,alexis-roche/nireg