Merge branch 'doc' of https://github.com/uestcmy/snsapi into doc
upgrade docstring : changed sina.py
changed the file in the folder
upgrade docstring : changed renren.py
upgrade docstring : changed rss.py
upgrade docstring : changed rss.py
Merge branch 'doc' of git://github.com/uestcmy/snsapi into uestcmy-doc
Revert "upgrade docstring : changed renren.py"

This reverts commit 1a23541e2fbbf6a2c0a3d3dde1d3fdda375d9db7.
fix typos