* Update games.ipynb

* Update intro.ipynb

* Update csp.ipynb

* updated games.ipynb with refactored games.py

* fixed typos in games.ipynb

* Delete fig_5_2.svg

* add fig_5_2.png

* Update games.ipynb

* Error message of python errors

* Added Canvas_TicTacToe class

* Added TicTacToe to notebook

* Added games.ipynb

* moved js file to js folder

* added kernel test notebook

* modified kernel.ipynb

* Added canvas support

* Added mouseclick to canvas

* add TicTacToe to canvas

* removed import statement in games.py

* corrected HTML tags

* Added comments and doctring

* Added methods for drawing with normalized units

* Added text support

* Fixed int type during normalization

- Fix relative imports in base of is a package or not
- Fix not working notebooks
- Add notebooks to packages sources