bugfix in EQW: need to specify units for xmin/xmax
bugfix in EQW: need to specify units for xmin/xmax

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