use_namespaces upgrade is fully tested, need to implement downgrade
-rw-r--r-- .gitignore
-rw-r--r-- Changes
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
-rw-r--r-- TODO
drwxr-xr-x lib
drwxr-xr-x script
drwxr-xr-x t