Merge branch 'dev'

Merge pull request #37 from HiLab-git/dev

Dev

Merge pull request #31 from HiLab-git/dev

Dev

Merge pull request #26 from HiLab-git/dev

Dev

Merge pull request #24 from HiLab-git/dev

Dev

update readme, add myops

combination of loss

upgrade to 0.2.2

Merge pull request #9 from HiLab-git/dev_cls

Dev cls

update networks