force more indices to be ints
force more indices to be ints

vlas-sokolov/pyspeckit,jpinedaf/pyspeckit,low-sky/pyspeckit,pyspeckit/pyspeckit,e-koch/pyspeckit,keflavich/pyspeckit,keflavich/pyspeckit,pyspeckit/pyspeckit,allisony/pyspeckit,jpinedaf/pyspeckit,e-koch/pyspeckit,vlas-sokolov/pyspeckit,allisony/pyspeckit,low-sky/pyspeckit