Update the events section
Update the events section

Add more information on the new events syntax, and argKeys.
Psykoral/canjs,bitovi/canjs,gsmeets/canjs,tracer99/canjs,gsmeets/canjs,rjgotten/canjs,tracer99/canjs,rasjani/canjs,gsmeets/canjs,rjgotten/canjs,rasjani/canjs,rjgotten/canjs,bitovi/canjs,rasjani/canjs,Psykoral/canjs,tracer99/canjs,bitovi/canjs,bitovi/canjs,rasjani/canjs,rjgotten/canjs,Psykoral/canjs,Psykoral/canjs