fixed error in vheight parsing
fixed error in vheight parsing

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