jwutils: Move to jwutils -> jw.util

Move all implementation source code from the jwutils module to jw.util. For compatibility with existing Python modules, keep a thin, autogenerated compatibility shim under jwutils.
Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/util/Bunch.py

@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+
+from typing import Any
+
+class Bunch: # export
+
+    def __init__(self, **kwargs):
+        self.__dict__.update(kwargs)
+
+    def __getitem__(self, key: str) -> Any:
+        return self.__dict__[key]