Upload pypi

- Changed to setup.cfg
 - Changed to tox
 - Moved module dir to src
 - Moved tests dir from module to tests dir
 - Corrected .drone for changes
 - Update to 0.9.0

githooks/pre-commit

@@ -1,7 +1,7 @@
 #!/bin/sh -e
 VERSION=$(grep version setup.py | sed -e 's/.*="//' -e 's/",//')
-sed -i "s/^__version__ = .*/__version__ = '${VERSION}'/"  ddOperApi/__init__.py
-git add ddOperApi/__init__.py
+sed -i "s/^__version__ = .*/__version__ = '${VERSION}'/"  src/ddOperApi/__init__.py
+git add src/ddOperApi/__init__.py
 
 python setup.py test
 yamllint .drone.yml