rewrite
替换文件
Merge pull request #94 from dtynn/wanglin/feature/simple_rio

Wanglin/feature/simple rio
Update CHANGELOG.md
Update CHANGELOG.md
gist:new api
changelog
Merge pull request #98 from dtynn/feature/new_api

gist:new api
update readme
rename sample var
Update README.md

update format
use autopep8 format
rm useless space
pep8 check in travis
Merge pull request #100 from longbai/pep8

Pep8
pyflakes
pyflakes
pep8 E265
pip install use mirrors
author info