New project structure, in line with modern Python projects

tox.ini

@@ -0,0 +1,21 @@
+[flake8]
+ignore = D203, W503
+exclude =
+    .git,
+    __pycache__,
+    docs/source/conf.py,
+    build,
+    dist,
+    example_config/gunicorn_webhaak_conf.py,
+    example_config/rq_settings.example.py,
+    example_config/settings.py,
+max-line-length = 120
+max-complexity = 10
+
+[pycodestyle]
+max_line_length = 120
+ignore = E501, W503
+
+[isort]
+line_length = 120
+multi_line_output = 3