* Enhancements:
- Restructured config file format for easier timer/end options.
- Added new plugins: IM, Stats, Notification
- Added bash_completion script to autocomplete available commands and supported parameters.
- Improved output formatting for existing commands.
* Bug fixes:
- Sudo usage is now properly persisting timeout information.
- Fixed SiteBlock plugin not appending convenience domains in certain cases.
- Fixed minor edge-case bugs in config parser.