diff --git a/lang/english.lang b/lang/english.lang
index aa28a7b..0efd034 100644
--- a/lang/english.lang
+++ b/lang/english.lang
@@ -3,8 +3,8 @@ version: @version@
 #@an makes the pattern allow for `an`.
 types:
 	fadetype: fade type, fading type
-	soundcategory: sound category, sound categories
-	songplayer: song player, song players
+	funkysoundcategory: sound category, sound categories
+	funkysongplayer: song player, song players
 	positionsongplayer: position player, position players, position song player, position song players
 	noteblocksongplayer: note block song player, note block song players, note block player, note block players, noteblock song player, noteblock song players, noteblock player, noteblock players
 	layer: song layer, note layer, layer
diff --git a/src/main/java/me/limeglass/funky/elements/Register.java b/src/main/java/me/limeglass/funky/elements/Register.java
index e0b1243..1d2733e 100644
--- a/src/main/java/me/limeglass/funky/elements/Register.java
+++ b/src/main/java/me/limeglass/funky/elements/Register.java
@@ -29,7 +29,7 @@ public class Register {
 	
 	public Set<Class<?>> classes = new HashSet<>();
 	public Set<Class<?>> oldclasses = new HashSet<>(); 
-	private JarFile Stocksaddon;
+	private JarFile addon;
 	
 	@SuppressWarnings({ "unchecked", "rawtypes" })
 	public Register() {
@@ -37,16 +37,18 @@ public Register() {
 			Method method = JavaPlugin.class.getDeclaredMethod("getFile");
 			method.setAccessible(true);
 			File file = (File) method.invoke(FunkySk.getInstance());
-			Stocksaddon = new JarFile(file);
-			for (Enumeration<JarEntry> jarEntry = Stocksaddon.entries(); jarEntry.hasMoreElements();) {
+			addon = new JarFile(file);
+			for (Enumeration<JarEntry> jarEntry = addon.entries(); jarEntry.hasMoreElements();) {
 				String name = jarEntry.nextElement().getName().replace("/", ".");
+				if (!name.endsWith(".class"))
+					continue;
 				String className = name.substring(0, name.length() - 6);
 				className = className.replace('/', '.');
 				if (name.startsWith(FunkySk.getPackageName()) && name.endsWith(".class")) {
 					classes.add(Class.forName(className));
 				}
 			}
-			Stocksaddon.close();
+			addon.close();
 		} catch (NoSuchMethodException | SecurityException | IllegalAccessException | IllegalArgumentException | InvocationTargetException | IOException | ClassNotFoundException e1) {
 			e1.printStackTrace();
 		}
diff --git a/src/main/java/me/limeglass/funky/elements/expressions/ExprSongPlayerCategory.java b/src/main/java/me/limeglass/funky/elements/expressions/ExprSongPlayerCategory.java
index 21f9102..adc410f 100644
--- a/src/main/java/me/limeglass/funky/elements/expressions/ExprSongPlayerCategory.java
+++ b/src/main/java/me/limeglass/funky/elements/expressions/ExprSongPlayerCategory.java
@@ -21,8 +21,8 @@
 @Description("Returns the song currently playing in the song player(s).")
 @Properties({"funkysongplayers", "(song|track|music)[s]", "{1}[(all [[of] the]|the)]"})
 @PropertiesAddition("song[ ]player[s]")
-@RegisterEnum("soundcategory")
-@User("soundcategor(y|ies)")
+@RegisterEnum("funkysoundcategory")
+@User("funkysoundcategor(y|ies)")
 @Changers(ChangeMode.SET)
 public class ExprSongPlayerCategory extends FunkyPropertyExpression<SongPlayer, SoundCategory> {
 
diff --git a/src/main/java/me/limeglass/funky/utils/TypeClassInfo.java b/src/main/java/me/limeglass/funky/utils/TypeClassInfo.java
index 8e3fa07..4273f6c 100644
--- a/src/main/java/me/limeglass/funky/utils/TypeClassInfo.java
+++ b/src/main/java/me/limeglass/funky/utils/TypeClassInfo.java
@@ -37,8 +37,8 @@ public T parse(String s, ParseContext parseContext){
 	
 	public void register(){
 		if (Classes.getExactClassInfo(clazz) == null) {
-			Classes.registerClass(classInfo.user(codeName + "s?").defaultExpression(new EventValueExpression<>(clazz)).parser(new Parser<T>(){
-	
+			classInfo.user(codeName + "s?").defaultExpression(new EventValueExpression<>(clazz)).parser(new Parser<T>(){
+				
 				@Override
 				public String getVariableNamePattern() {
 					return codeName + ":.+";
@@ -48,6 +48,11 @@ public String getVariableNamePattern() {
 				public T parse(String s, ParseContext parseContext) {
 					return null;
 				}
+				
+				@Override
+				public boolean canParse(ParseContext context) {
+					return false;
+				}
 	
 				@Override
 				public String toString(T t, int i) {
@@ -57,7 +62,10 @@ public String toString(T t, int i) {
 				@Override
 				public String toVariableNameString(T t) {
 					return codeName + ':' + t.toString();
-			}}).serializeAs(clazz));
+			}}).serializeAs(clazz);
+			if (classInfo.getSerializer() == null)
+				classInfo.serializeAs(null);
+			Classes.registerClass(classInfo);
 			FunkySk.debugMessage("&5Registered Type '" + codeName + "' with return class " + clazz.getName());
 		}
 	}
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 80f35f6..7dea87b 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,7 @@
 name: FunkySk
 author: LimeGlass
 description: A Skript addon to get funky with NoteBlockAPI.
-version: 1.0.1c
-main: me.limeglass.funky.Funky
+version: @version@
+api-version: 1.13
+main: me.limeglass.funky.FunkySk
 depend: [Skript, NoteBlockAPI]
\ No newline at end of file