fix doc for http://docs-test.qiniudn.com/python-sdk/v6/index.html
remove duplicate title
update docs
Merge pull request #61 from SunRunAway/feature/docs_update

fix doc for http://docs-test.qiniudn.com/python-sdk/v6/index.html
Merge pull request #62 from qiniu/develop

merge develop to master