Major changes around events, event log, etc.

* User event log is now functional & attached to various events
* Add additional missing system events
* Completely re-write last_callers to have new functionality, etc.
* Events.addListenerMultipleEvents()
* New 'moduleInitialize' export for module init vs Event specific registerEvents
* Add docs on last_callers mod

core/mask_edit_text_view.js

@@ -25,7 +25,8 @@ exports.MaskEditTextView    = MaskEditTextView;
 //  :TODO:
 //  * Hint, e.g. YYYY/MM/DD
 //  * Return values with literals in place
-//
+//  * Tab in/out results in oddities such as cursor placement & ability to type in non-pattern chars
+//  * There exists some sort of condition that allows pattern position to get out of sync
 
 function MaskEditTextView(options) {
     options.acceptsFocus    = miscUtil.valueWithDefault(options.acceptsFocus, true);