Changes for version 0.1.2

.py files should now compile and load sanely
fixed some errors and close session db after initial test
set default values for all config variables
comment out all config variables by default
added init hook for plugin modules
bail session modules if can't access db
added form to the req structure for plugins to use
moved id from client to request and made it work without mod_unique_id
added ability to configure plugins from pse.conf
added configuration variables to the session plugins
updated sample pse.conf
updated documentation