udpate submodule again - this time with more tests
udpate submodule again - this time with more tests

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