add changelog entry
add changelog entry

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