cmds.projects.CmdPythonpath: Reverse PYTHONPATH

CmdPythonpath, AKA pythonpath, prints a PYTHONPATH which runs from
root first to dependency leaves last. This works now but doesn't
give local overrides the advantage it should. Fix that.

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/projects/CmdPythonpath.py

@@ -55,4 +55,4 @@ class CmdPythonpath(Cmd):  # export
                     path = f'{args.path_component_prefix}{path}'
                 out.append(path)
         if out:
-            print(args.delimiter.join(out))
+            print(args.delimiter.join(reversed(out)))