Add missing retention policy to annotation classes

src/main/java/dev/plex/command/annotation/System.java

@@ -1,5 +1,9 @@
 package dev.plex.command.annotation;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
 public @interface System
 {
     String value() default "";

src/main/java/dev/plex/handlers/CommandHandler.java

@@ -21,10 +21,9 @@ public class CommandHandler extends PlexBase
         {
             try
             {
-                System annotation = clazz.getDeclaredAnnotation(System.class);
+                if (clazz.isAnnotationPresent(System.class))
-                // TODO: Annotations are always null?
-                if (annotation != null)
                 {
+                    System annotation = clazz.getDeclaredAnnotation(System.class);
                     PlexLog.debug(clazz.getName() + " has annotations");
                     if (annotation.value().equalsIgnoreCase(plugin.getSystem().toLowerCase()))
                     {
@@ -41,7 +40,6 @@ public class CommandHandler extends PlexBase
                 else
                 {
                     commands.add(clazz.getConstructor().newInstance());
-                    // PlexLog.debug("Adding command normally " + clazz.getName());
                 }
             }
             catch (InvocationTargetException | InstantiationException | IllegalAccessException | NoSuchMethodException ex)

src/main/java/dev/plex/handlers/ListenerHandler.java

@@ -21,12 +21,14 @@ public class ListenerHandler extends PlexBase
         {
             try
             {
-                Toggleable annotation = clazz.getDeclaredAnnotation(Toggleable.class);
+                if (clazz.isAnnotationPresent(Toggleable.class))
-                if (annotation != null)
                 {
+                    Toggleable annotation = clazz.getDeclaredAnnotation(Toggleable.class);
+                    PlexLog.debug(clazz.getName() + " has annotations");
                     if (plugin.config.get(annotation.value()) != null && plugin.config.getBoolean(annotation.value()))
                     {
                         listeners.add(clazz.getConstructor().newInstance());
+                        PlexLog.debug("Registering " + clazz.getName() + " as a listener");
                     }
                 }
                 else

src/main/java/dev/plex/listener/annotation/Toggleable.java

@@ -1,5 +1,9 @@
 package dev.plex.listener.annotation;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
 public @interface Toggleable
 {
     String value();