Merge pull request #23 from us/patch-1

Fix Google Python Style Guide link.

README.md

@@ -77,7 +77,7 @@ If you find this project helpful, please consider making a donation with [bitcoi
 1. [Python 3.4.3 documentation](https://docs.python.org/3/index.html)
 2. [Dive Into Python 3](http://www.diveintopython3.net/table-of-contents.html)
 3. Writing Idiomatic Python 3.3
-4. [Google Python Style Guide](https://google-styleguide.googlecode.com/svn/trunk/pyguide.html)
+4. [Google Python Style Guide](http://google.github.io/styleguide/pyguide.html)
 5. [廖雪峰的Python教程](http://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f449949df42a6d3a2e542c000)
 
 ## License