add tests merged with master
add tests merged with master

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