TODO

Stuff to do in the SyncML module.

* Native PHP WBXML support.
* SyncML 1.2 support.
* Per-database authentication.
* Logging and debugging tools.
* HTML UI.
  * Add, remove, edit sources.
  * Add, remove, edit databases.
  * Handle conflicts.
* Better conflict handling
  * Merging.
  * HTML UI.

