Scheduler: only one instance of assigned jobs should be in progress
admin: add --delete_banished option to delete_spammers.php
Add warning to README in BitTorrent code, saying it doesn't work
MGR: Hide Project Web Pages task pane if multiple projects are selected using Shift-Click.
MGR: Simplification and efficiency improvements for list selection, list deselection and updating task panels.
MGR: Further simplification and efficiency improvements for list selection, list deselection and updating task panels.
MGR: use instance variables instead of the static (class) variables in my recent commits.  This is better practice and safer, though the code did work properly with the static variables because OnCacheHint() is called whenever you select a different tab.