diff --git a/nbproject/project.properties b/nbproject/project.properties
index 2e33bd6..d7a0e90 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -1,4 +1,4 @@
-#Tue, 21 Nov 2017 11:54:07 +0100
+#Thu, 23 Nov 2017 21:55:11 +0100
 annotation.processing.enabled=true
 annotation.processing.enabled.in.editor=false
 annotation.processing.processors.list=
diff --git a/src/gui/Globals.java b/src/gui/Globals.java
index 93b591a..9fd703d 100644
--- a/src/gui/Globals.java
+++ b/src/gui/Globals.java
@@ -152,7 +152,7 @@ public class Globals {
         
         SeSimClassLoader<Indicator> il = new SeSimClassLoader<>(Indicator.class);
         il.setDefaultPathList(default_pathlist);
-        ArrayList<Class<Indicator>>ires = il.getInstalled();
+        ArrayList<Class<Indicator>>ires = il.getInstalledClasses();
         
     }
 
diff --git a/src/sesim/AutoTraderLoader.java b/src/sesim/AutoTraderLoader.java
index ca81be6..199fcc1 100644
--- a/src/sesim/AutoTraderLoader.java
+++ b/src/sesim/AutoTraderLoader.java
@@ -72,19 +72,7 @@ public class AutoTraderLoader extends SeSimClassLoader<AutoTraderInterface> {
      */
     public ArrayList<Class<AutoTraderInterface>> getInstalledTraders() {
 
-        if (traders_cache != null) {
-            return traders_cache;
-        }
-
-        ArrayList<Class<?>> trl;
-        ArrayList<Class<AutoTraderInterface>> result = new ArrayList<>();
-        trl = getInstalledClasses(new ArrayList());
-        for (Class<?> c : trl) {
-            result.add((Class<AutoTraderInterface>) c);
-        }
-
-        traders_cache = result;
-        return traders_cache;
+        return getInstalledClasses(new ArrayList<String>());
 
     }
 
diff --git a/src/sesim/IndicatorLoader.java b/src/sesim/IndicatorLoader.java
index 649055b..cbd7aba 100644
--- a/src/sesim/IndicatorLoader.java
+++ b/src/sesim/IndicatorLoader.java
@@ -30,9 +30,14 @@ import java.util.ArrayList;
 /**
  *
  * @author 7u83 <7u83@mail.ru>
+ * @param <T>
  */
 public class IndicatorLoader<T> extends SeSimClassLoader {
 
+    /**
+     * 
+     * @param class_type 
+     */
     public IndicatorLoader(Class class_type) {
         super(class_type);
     }
diff --git a/src/sesim/SeSimClassLoader.java b/src/sesim/SeSimClassLoader.java
index 37df718..b759bc9 100644
--- a/src/sesim/SeSimClassLoader.java
+++ b/src/sesim/SeSimClassLoader.java
@@ -49,6 +49,7 @@ public class SeSimClassLoader<T> {
 
     /**
      * Create a SeSimClassLoader object with an empty default path
+     *
      * @param class_type
      */
     public SeSimClassLoader(Class<T> class_type) {
@@ -178,7 +179,7 @@ public class SeSimClassLoader<T> {
                 return null;
             }
 
-            return (Class<T>)cls;
+            return (Class<T>) cls;
 
         } catch (ClassNotFoundException ex) {
             return null;
@@ -191,14 +192,9 @@ public class SeSimClassLoader<T> {
      * @param additional_pathlist
      * @return
      */
-    public ArrayList<Class<T>> getInstalledClasses(ArrayList<String> additional_pathlist){
-        
+    public ArrayList<Class<T>> getInstalledClasses0(ArrayList<String> pathlist) {
 
         ArrayList<Class<T>> result = new ArrayList<>();
-        ArrayList<String> pathlist = new ArrayList<>();
-
-        pathlist.addAll(default_pathlist);
-        pathlist.addAll(additional_pathlist);
 
         for (String path : pathlist) {
 
@@ -272,18 +268,28 @@ public class SeSimClassLoader<T> {
     /**
      * Get a list of all traders found in class path
      *
-     * @return List of traders
+     * @param additional_pathlist
+     * @return List of installed Clases
      */
-    public ArrayList<Class<T>> getInstalled() {
+    public ArrayList<Class<T>> getInstalledClasses(ArrayList<String> additional_pathlist ) {
 
         if (cache != null) {
             return cache;
         }
-        
-        cache  = getInstalledClasses(new ArrayList());
+
+        ArrayList<String> pathlist;
+        pathlist = new ArrayList<>();
+
+        pathlist.addAll(default_pathlist);
+        pathlist.addAll(additional_pathlist);
+
+        cache = getInstalledClasses0(pathlist);
 
         return cache;
 
     }
-
+    
+    public ArrayList<Class<T>> getInstalledClasses(){
+        return getInstalledClasses(new ArrayList<>());
+    }
 }