remove old worlds from cache before retrieving

core/src/main/java/com/volmit/iris/core/IrisWorlds.java

@@ -66,6 +66,7 @@ public class IrisWorlds {
     }
 
     public KMap<String, String> getWorlds() {
+        clean();
         return readBukkitWorlds().put(worlds);
     }
 
@@ -76,8 +77,7 @@ public class IrisWorlds {
     }
 
     public Stream<IrisDimension> getDimensions() {
-        return readBukkitWorlds()
-                .put(worlds)
+        return getWorlds()
                 .entrySet()
                 .stream()
                 .map(entry -> Iris.loadDimension(entry.getKey(), entry.getValue()))

core/src/main/java/com/volmit/iris/util/io/IO.java

@@ -1705,6 +1705,7 @@ public class IO {
                 action.accept(out);
             }
             Files.copy(temp.toPath(), Channels.newOutputStream(target));
+            target.truncate(temp.length());
         } finally {
             temp.delete();
         }