Added ymin and ymax to plotter
Added ymin and ymax to plotter

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