* move build time macros to constants file 
* hunt down TODOs in the code
* Use drag and drop UI to exclud users (list of users, list of excluded users, drag between lists)
* Dynamic graphs.
* IP to country
* API Documentation
* Use session cookie to detect sessions.
* Store post creation time and add info to graphs.
* Track user actions (from page x to page y, posted a comment etc).
* Check out the great openrico ajax toolkit : try to use the live grid for the table!