jsdocs + ref for core and Lang
Core: some ref
Core: some ref (go.__Loader#contrainer property)
Tests: some ref
Class: some ref + jsdoc
Class: jsdoc
Ext: some ref + jsdoc
fix: go.Ext.Events.removeEventListener() by ID
Class: jsdoc for Exceptions
Lang: jsdoc for Exceptions
Class: fix and ref mutators
Lang: Listeners.create
Lang: Listeners.createCounter
Lang: Listeners.Counter.inc()
core: use Listeners in go.__Loader
Listeners and arguments
Ext: use Listeners in Ext.Events
core: go.__L (go.__Loader)
core: ref go.__Loader