* Added a Logout message with a name on the console
* Added a *fixme* message to figure out why the current agent session is null
* After updating you may notice that there's a login <user> and also a logout<user>
* Added the web_login_key to the users table
* Added happy configurable http error message pages
* This update is large enough to have 'awe' value.. so backup your users or weep.
* Not tested on MSSQL, even though I added code to update the tables!
* added Util.Clip(value, min, max)
* modified asset cache's numPackets calculation to use max packet size (600) instead of 1000
* removed a few magic numbers