normalize_path(): keep the current folder in sys.path
normalize_path(): keep the current folder in sys.path

The current folder marker (empty string) was removed from sys.path in normalize_path().
The current folder is now stored as a static path (absolute path) and as a dynamic marker (empty string, to follow the working directory).

tcalmant/ipopo,ahmadshahwan/ipopo,ahmadshahwan/ipopo