bugfix - can't pass kwargs to get_model_xlimits
bugfix - can't pass kwargs to get_model_xlimits

keflavich/pyspeckit,jpinedaf/pyspeckit,bsipocz/pyspeckit,mikelum/pyspeckit,low-sky/pyspeckit,allisony/pyspeckit,low-sky/pyspeckit,dinossimpson/pyspeckit,vlas-sokolov/pyspeckit,e-koch/pyspeckit,dinossimpson/pyspeckit,e-koch/pyspeckit,jpinedaf/pyspeckit,bsipocz/pyspeckit,allisony/pyspeckit,pyspeckit/pyspeckit,keflavich/pyspeckit,vlas-sokolov/pyspeckit,pyspeckit/pyspeckit,mikelum/pyspeckit,keflavich/pyspeckit-obsolete