Merge pull request #1 from datakurre/master

Fix setup.py; Add dependencies
Merge pull request #2 from datakurre/master

Add PyCharm's .idea-configuration into .gitignore; Rename doc to docs
Merge pull request #3 from datakurre/master

Disable other Sphinx-extensions, because our todo-example conflicts with...
Create test.py
Update todo.py
Update example.rst