Use PYTHON_MODNAME in sawsim-9999.ebuild and update ChangeLog.
drwxr-xr-x - app-misc
drwxr-xr-x - dev-util
drwxr-xr-x - media-gfx
drwxr-xr-x - media-sound
drwxr-xr-x - profiles
drwxr-xr-x - sci-physics