Event dispatcher changes and packet implementations

Signed-off-by: Rogiel <rogiel@rogiel.com>

data/plugin/plugin/PluginLoader.java

@@ -60,7 +60,7 @@ public class PluginLoader implements Loader, Unloader {
 	private static Set<Class<? extends Template<?>>> getSuitableClasses(
 			Class<?>[] classes) {
 		final Set<Class<? extends Template<?>>> suitable = CollectionFactory
-				.newSet(null);
+				.newSet();
 		for (Class<?> clazz : classes) {
 			if (!ClassUtils.isSubclass(clazz, Template.class))
 				continue;