* Organized source files a bit more
* Feature: UI for Selectable alert listings (in addition to selecting the template for the alert message, the admin will be able to set the alert as "one email per new piece of content" or "list of links to new content".
* Renamed most of the filters (see README.md for details)
* Fix: dbgOut() is now a PMProSequence private function() rather than a global function.
* Fix: Moved a number of formerly public functions to private.
* Fix: Renamed Widget class to seqRecentPostWidget()
* Fix: Renamed userCan() to userCanEdit()