Chapter currently being downloaded is now displayed in the statusbar
Cleaning up
Merge branch 'jtojnar-master'
Script now changes the current working directory to its own directory
upon execution. This is so that it can find its icon file reliably.
Added a Settings menu.
First setting: order for parse all command. User can now choose to start
parsing all URLs from oldest to newest or vice-versa.
Removed pyc files.