Fixed missing page 1 bug.
Fixed threadid parsing bug.
Swapped options by accident.
Fixed image name bug.
Fixed final page bug where HTML tag has different attributes on first page and other pages.
Added marked tasks to accomodate Kyukon changes.
Abstracted thread url generation.
Added support for dumping html contents for debugging.
Unit tests for dump html feature.
Added debug print feature.
Added deadlock timeout.
Separate unit tests for the parsers.