diff --git a/Biser/Decoder.cs b/Biser/Decoder.cs
index bbdce8d..c2975cd 100644
--- a/Biser/Decoder.cs
+++ b/Biser/Decoder.cs
@@ -223,7 +223,7 @@ void GetCollection<K, V>(Func<K> fk, Func<V> fv, IDictionary<K, V> dict, IList<K
                 }
 
                 collectionLength = (int)((uint)this.rootDecoder.GetDigit());
-                if(collectionLength == 0)
+                if (collectionLength == 0) //JS not noted change
                 {
                     collectionIsFinished = true;
                     return;
@@ -231,14 +231,15 @@ void GetCollection<K, V>(Func<K> fk, Func<V> fv, IDictionary<K, V> dict, IList<K
                 collectionPos = 0;
                 collectionShift = 0;
                 collectionShiftToPass = 0;
-
+              
                 int cp = this.rootDecoder.encPos;
 
                 if (this.rootDecoder.qb > 1)
                 {
                     collectionShift = this.rootDecoder.qb - 1;
                     collectionShiftToPass = 0;
-                    this.rootDecoder.encPos = cp + collectionLength - 1;
+                    //this.rootDecoder.encPos = cp + collectionLength - 1;
+                    this.rootDecoder.encPos = cp + collectionLength - collectionShift; //JS not noted change
                     collectionBuffer = Read(collectionShift);
                     this.rootDecoder.encPos = cp;
                     collectionPos += collectionShift;
diff --git a/Biser/bin/Debug/Biser.dll b/Biser/bin/Debug/Biser.dll
index c024aca..27820e5 100644
Binary files a/Biser/bin/Debug/Biser.dll and b/Biser/bin/Debug/Biser.dll differ
diff --git a/Biser/bin/Release-NET47/Biser.dll b/Biser/bin/Release-NET47/Biser.dll
index 8062f44..8d96a53 100644
Binary files a/Biser/bin/Release-NET47/Biser.dll and b/Biser/bin/Release-NET47/Biser.dll differ
diff --git a/Biser/bin/Release/Biser.dll b/Biser/bin/Release/Biser.dll
index 66d0c46..ceb6588 100644
Binary files a/Biser/bin/Release/Biser.dll and b/Biser/bin/Release/Biser.dll differ
diff --git a/BiserTest_Net/Program.cs b/BiserTest_Net/Program.cs
index 52aca01..fc2ab6e 100644
--- a/BiserTest_Net/Program.cs
+++ b/BiserTest_Net/Program.cs
@@ -21,20 +21,35 @@ static void Main(string[] args)
 
             Biser.Encoder en2 = new Biser.Encoder();
             en2.Add((int)12);
-            List<int> lst1 = new List<int>();
-            lst1.Add(1);
-            lst1.Add(2);
-            lst1.Add(3);
-            en2.Add(lst1, r => { en2.Add(r); });
+            Dictionary<string, byte[]> dic1 = new Dictionary<string, byte[]>();
+            dic1.Add("str1", new byte[] { 1, 2, 3 });
+            dic1.Add("str2", new byte[] { 1, 2 });
+            dic1.Add("str3", null);
+            dic1.Add("str4", new byte[0]);
+            dic1.Add("str5", new byte[] { 1, 2,3,4,5 });
+            en2.Add(dic1, r => { en2.Add(r.Key); en2.Add(r.Value); });
+            //List<int> lst1 = new List<int>();
+            //lst1.Add(1);
+            //lst1.Add(2);
+            //lst1.Add(3);
+            //en2.Add(lst1, r => { en2.Add(r); });
             en2.Add((int)14);
             Biser.Decoder de2 = new Biser.Decoder(en2.Encode());
             Debug.WriteLine(de2.GetInt());
-            List<int> lst = de2.CheckNull() ? null : new List<int>();
-            if (lst != null)
+            //List<int> lst = de2.CheckNull() ? null : new List<int>();
+            //if (lst != null)
+            //{
+            //    de2.GetCollection(() => { return de2.GetInt(); }, lst, true);
+            //    foreach (var item in lst)
+            //        Debug.WriteLine(item);
+            //}
+            Dictionary<string, byte[]> dic = de2.CheckNull() ? null : new Dictionary<string, byte[]>();
+            if (dic != null)
             {
-                de2.GetCollection(() => { return de2.GetInt(); }, lst, true);
-                foreach (var item in lst)
-                    Debug.WriteLine(item);
+                de2.GetCollection(() => { return de2.GetString(); },
+                    () => { return de2.GetByteArray(); }, dic, true);
+                foreach (var item in dic)
+                    Debug.WriteLine(item.Key);
             }
             Debug.WriteLine(de2.GetInt());
             return;
diff --git a/BiserTest_Net/bin/Debug/Biser.dll b/BiserTest_Net/bin/Debug/Biser.dll
index c024aca..3da49dc 100644
Binary files a/BiserTest_Net/bin/Debug/Biser.dll and b/BiserTest_Net/bin/Debug/Biser.dll differ
diff --git a/BiserTest_Net/bin/Debug/BiserTest_Net.exe b/BiserTest_Net/bin/Debug/BiserTest_Net.exe
index 22da1c9..642e8f1 100644
Binary files a/BiserTest_Net/bin/Debug/BiserTest_Net.exe and b/BiserTest_Net/bin/Debug/BiserTest_Net.exe differ
diff --git a/Biser_Standard/bin/Release/netstandard2.0/Biser.dll b/Biser_Standard/bin/Release/netstandard2.0/Biser.dll
index 242bc1a..cc6eb21 100644
Binary files a/Biser_Standard/bin/Release/netstandard2.0/Biser.dll and b/Biser_Standard/bin/Release/netstandard2.0/Biser.dll differ
diff --git a/Deployment/!!!Biser.nuspec b/Deployment/!!!Biser.nuspec
index e985351..6354209 100644
--- a/Deployment/!!!Biser.nuspec
+++ b/Deployment/!!!Biser.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>Biser</id>
-        <version>1.4.0</version>
+        <version>1.5.0</version>
         <title>Biser.NET dotnet binary serializer</title>
         <authors>Alex Solovyov</authors>
         <owners>tiesky.com / Alex Solovyov</owners>
diff --git a/Deployment/Biser.1.5.0.nupkg b/Deployment/Biser.1.5.0.nupkg
new file mode 100644
index 0000000..32cbedf
Binary files /dev/null and b/Deployment/Biser.1.5.0.nupkg differ
diff --git a/js/Biser/package.json b/js/Biser/package.json
index ad354fb..617c0b9 100644
--- a/js/Biser/package.json
+++ b/js/Biser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "biser",
-  "version": "1.0.0",
+  "version": "1.5.0",
   "description": "Binary serializer for javascript and .NET (c# csharp dotnet)",
   "main": "biser.js",
   "scripts": {