update example to use Plack::Request->session, add docs about where we store session
-rw-r--r-- .gitignore
-rw-r--r-- Changes
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
-rw-r--r-- README
drwxr-xr-x examples
drwxr-xr-x lib
drwxr-xr-x t