updates to class reader
updates to class reader

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