added 'moments' to ammonia, but it doesn't actually compute anything
added 'moments' to ammonia, but it doesn't actually compute anything

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