added options
added pickle
Merge branch 'master' of github.com:qqm377p9k2/PML
Merge branch 'master' of github.com:qqm377p9k2/PML
Merge branch 'master' of github.com:qqm377p9k2/PML
Merge branch 'master' of github.com:qqm377p9k2/PML
Merge branch 'master' of github.com:qqm377p9k2/PML
stable