FEATURE: Implement the function to set/get the incon for the JEVisClass.
FEATURE: Implement the getAllowedChildrenClasses function.
FEATURE: Implement JEVisClass icon store function.
BUGFIX: Add @Override to the interface functions.
BUGFIX: Boolean samples also work now.
BUGFIX: Fixed the type handling storing.
BUGFIX: removed system.out
BUGFIX: removed system.out