0.4.04a released

Changes are coming thick-and-fast at the moment. Looks like I have too much time on my hands at the moment! Anyone want to give me a job.

Latest changes are:
- Bug uncovered and fixed: The configuration settings update now works correctly.
- $settings[] data can now be serialized to a file. (Unserializing comes a bit later I'm afraid).
- Added some necessary constants and settings to deal with logging and serialization files.