Classes for getting events from the AWT event queue. The main class of this package is the class {@link jacareto.catching.EventListener} which can be registered
at the AWTEventQueue. A {@link jacareto.catching.Catcher} is a class which retrieves events it is
interested in from the EventListener.
Abstract superclass for classes which want to get system-wide dispatched events from the
jacareto.catching.EventListener instance during a capture process.