Do no update PYTHON_SITE_DIR if it is already set
Summary.cmake adapted from Clementine
Bump the version to 0.2
Update using the new summary module
Autofix PEP8
Python 3
Linebreak --
Decode the std::string before pass it to python
Separate examples and internal codes

Now all the examples are in the examples directory
Build the version number into the library
Update Readme.md