Bug fix : if a subdirectory of Lib has no __init__.py, create the package entry in VFS (otherwise python -m brython --modules crashes for package browser)
Bug fix : if a subdirectory of Lib has no __init__.py, create the package entry in VFS (otherwise python -m brython --modules crashes for package browser)

brython-dev/brython,brython-dev/brython,kikocorreoso/brython,brython-dev/brython,kikocorreoso/brython,kikocorreoso/brython