Added new Reading section.

If readability is so important to python, why don't python guides have a
list of recommended awesome code to read? Why don't they explain that
code? The idea behind this reading section is to provide such a guide.
The idea here is to start with something small and useful, with a vision
for the future, and iterate quickly.
Merge pull request #240 from dechols/master

Add new Reading section.
Merge pull request #1 from kennethreitz/master

Pulling in the latest changes.