diff --git a/AmalgamationTool/AmalgamationTool.csproj b/AmalgamationTool/AmalgamationTool.csproj
index 741afdf..ce27200 100644
--- a/AmalgamationTool/AmalgamationTool.csproj
+++ b/AmalgamationTool/AmalgamationTool.csproj
@@ -52,9 +52,6 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
-  <ItemGroup>
-    <None Include="app.config" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/AmalgamationTool/DynamORM.Amalgamation.cs b/AmalgamationTool/DynamORM.Amalgamation.cs
index e510035..09044dd 100644
--- a/AmalgamationTool/DynamORM.Amalgamation.cs
+++ b/AmalgamationTool/DynamORM.Amalgamation.cs
@@ -5465,7 +5465,7 @@ namespace DynamORM
 
                             mainResult = cache.EnumerateReader().ToList();
                         }
-                        else if (argType.IsValueType)
+                        else if (argType.IsValueType || types[0] == typeof(string))
                         {
                             Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
                             IList listInstance = (IList)Activator.CreateInstance(listType);
@@ -5481,6 +5481,25 @@ namespace DynamORM
 
                             mainResult = listInstance;
                         }
+                        else if (types[0] == typeof(Guid))
+                        {
+                            Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
+                            IList listInstance = (IList)Activator.CreateInstance(listType);
+
+                            object defVal = listType.GetDefaultValue();
+
+                            IDataReader cache = null;
+                            using (IDataReader rdr = cmd.ExecuteReader())
+                                cache = rdr.CachedReader();
+
+                            while (cache.Read())
+                            {
+                                if (cache[0] == DBNull.Value && Guid.TryParse(cache[0].ToString(), out Guid g))
+                                    listInstance.Add(g);
+                            }
+
+                            mainResult = listInstance;
+                        }
                         else
                         {
                             DynamicTypeMap mapper = DynamicMapperCache.GetMapper(argType);
@@ -5494,12 +5513,18 @@ namespace DynamORM
                             mainResult = cache.EnumerateReader().MapEnumerable(argType).ToList();
                         }
                     }
-                    else if (types[0].IsValueType)
+                    else if (types[0].IsValueType || types[0] == typeof(string))
                     {
                         mainResult = cmd.ExecuteScalar();
                         if (mainResult != DBNull.Value)
                             mainResult = types[0].CastObject(mainResult);
                     }
+                    else if (types[0] == typeof(Guid))
+                    {
+                        mainResult = cmd.ExecuteScalar();
+                        if (mainResult != DBNull.Value && Guid.TryParse(mainResult.ToString(), out Guid g))
+                            mainResult = g;
+                    }
                     else
                     {
                         DynamicTypeMap mapper = DynamicMapperCache.GetMapper(types[0]);
diff --git a/DynamORM.sln b/DynamORM.sln
index 8936f33..1ee157a 100644
--- a/DynamORM.sln
+++ b/DynamORM.sln
@@ -55,13 +55,13 @@ Global
 		{A64D2052-D0CD-488E-BF05-E5952615D926}.Release|x86.Build.0 = Release|x86
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
-		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Mixed Platforms.Build.0 = Debug|x86
+		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|x86.ActiveCfg = Debug|x86
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Debug|x86.Build.0 = Debug|x86
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|Any CPU.ActiveCfg = Release|x86
-		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|Mixed Platforms.ActiveCfg = Release|x86
-		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|Mixed Platforms.Build.0 = Release|x86
+		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|x86.ActiveCfg = Release|x86
 		{F747AA57-BEA7-4FB8-B371-546296789AEF}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
diff --git a/DynamORM/DynamicProcedureInvoker.cs b/DynamORM/DynamicProcedureInvoker.cs
index 41a7fc7..64b8bb1 100644
--- a/DynamORM/DynamicProcedureInvoker.cs
+++ b/DynamORM/DynamicProcedureInvoker.cs
@@ -203,7 +203,7 @@ namespace DynamORM
 
                             mainResult = cache.EnumerateReader().ToList();
                         }
-                        else if (argType.IsValueType)
+                        else if (argType.IsValueType || types[0] == typeof(string))
                         {
                             Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
                             IList listInstance = (IList)Activator.CreateInstance(listType);
@@ -219,6 +219,25 @@ namespace DynamORM
 
                             mainResult = listInstance;
                         }
+                        else if (types[0] == typeof(Guid))
+                        {
+                            Type listType = typeof(List<>).MakeGenericType(new Type[] { argType });
+                            IList listInstance = (IList)Activator.CreateInstance(listType);
+
+                            object defVal = listType.GetDefaultValue();
+
+                            IDataReader cache = null;
+                            using (IDataReader rdr = cmd.ExecuteReader())
+                                cache = rdr.CachedReader();
+
+                            while (cache.Read())
+                            {
+                                if (cache[0] == DBNull.Value && Guid.TryParse(cache[0].ToString(), out Guid g))
+                                    listInstance.Add(g);
+                            }
+
+                            mainResult = listInstance;
+                        }
                         else
                         {
                             DynamicTypeMap mapper = DynamicMapperCache.GetMapper(argType);
@@ -232,12 +251,18 @@ namespace DynamORM
                             mainResult = cache.EnumerateReader().MapEnumerable(argType).ToList();
                         }
                     }
-                    else if (types[0].IsValueType)
+                    else if (types[0].IsValueType || types[0] == typeof(string))
                     {
                         mainResult = cmd.ExecuteScalar();
                         if (mainResult != DBNull.Value)
                             mainResult = types[0].CastObject(mainResult);
                     }
+                    else if (types[0] == typeof(Guid))
+                    {
+                        mainResult = cmd.ExecuteScalar();
+                        if (mainResult != DBNull.Value && Guid.TryParse(mainResult.ToString(), out Guid g))
+                            mainResult = g;
+                    }
                     else
                     {
                         DynamicTypeMap mapper = DynamicMapperCache.GetMapper(types[0]);
diff --git a/Tester/Program.cs b/Tester/Program.cs
index 85e2fd9..e8da889 100644
--- a/Tester/Program.cs
+++ b/Tester/Program.cs
@@ -1,4 +1,6 @@
-using System.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using DynamORM;
 
 namespace Tester
@@ -8,9 +10,9 @@ namespace Tester
         private static DynamicDatabase GetORM()
         {
             return new DynamicDatabase(System.Data.SqlClient.SqlClientFactory.Instance,
-                //"packet size=4096;User Id=sa;Password=Sa123;data source=192.168.1.9,1434;initial catalog=MAH_Melle-GAGARIN;",
+                "packet size=4096;User Id=sa;Password=sa123;data source=127.0.0.1,1435;initial catalog=MOM_LANGOWSKI_WMS_TEST;",
                 //"packet size=4096;User Id=sa;Password=sa123;data source=192.168.1.9,1433;initial catalog=MOM_NEXT_Florentyna_WMS_PROD;",
-                "packet size=4096;User Id=sa;Password=sa123;data source=192.168.0.6;initial catalog=DynamORM;",
+                //"packet size=4096;User Id=sa;Password=sa123;data source=127.0.0.1;initial catalog=DynamORM;",
                 DynamicDatabaseOptions.SingleConnection | DynamicDatabaseOptions.SingleTransaction | DynamicDatabaseOptions.SupportSchema | 
                 DynamicDatabaseOptions.SupportStoredProcedures | DynamicDatabaseOptions.SupportTop | DynamicDatabaseOptions.DumpCommands);
 
@@ -22,30 +24,34 @@ namespace Tester
 
         private static void Main(string[] args)
         {
-            var c = new System.Data.SqlClient.SqlConnection("packet size=4096;User Id=sa;Password=sa123;data source=192.168.0.6;initial catalog=DynamORM;");
+            //var c = new System.Data.SqlClient.SqlConnection("packet size=4096;User Id=sa;Password=sa123;data source=192.168.0.6;initial catalog=DynamORM;");
 
             using (var db = GetORM())
             {
-                try
-                {
-                    db.Execute("DROP TABLE Experiments ");
-                }
-                catch { }
+                //try
+                //{
+                //    db.Execute("DROP TABLE Experiments ");
+                //}
+                //catch { }
 
-                db.Execute("CREATE TABLE Experiments (t1 nvarchar(50) NOT NULL DEFAULT N'', t2 varchar(50) NOT NULL DEFAULT '');");
+                //db.Execute("CREATE TABLE Experiments (t1 nvarchar(50) NOT NULL DEFAULT N'', t2 varchar(50) NOT NULL DEFAULT '');");
 
-                var q = db.From(x => x.Experiments.As(x.e1));
-                q
-                    .Where(x => x.t2 = "Dupa")
-                    .Where(x => x.Exists(
-                        q.SubQuery()
-                            .From(y => y.Experiments.As(x.e2))
-                            .Where(y => y.e2.t1 == y.e1.t1)))
-                    .Execute().ToList();
+                //var q = db.From(x => x.Experiments.As(x.e1));
+                //q
+                //    .Where(x => x.t2 = "Dupa")
+                //    .Where(x => x.Exists(
+                //        q.SubQuery()
+                //            .From(y => y.Experiments.As(x.e2))
+                //            .Where(y => y.e2.t1 == y.e1.t1)))
+                //    .Execute().ToList();
 
-                db.Execute("DROP TABLE Experiments ");
+                //db.Execute("DROP TABLE Experiments ");
 
-                var resL = db.Procedures.GetProductDesc<IOrderedEnumerable<GetProductDesc_Result>>();
+                db.Procedures.usp_API_Generate_Doc_Number<string>(key: Guid.NewGuid(), mdn_id: "ZZ");
+
+                var resL = (db.Procedures.GetProductDesc<IList<GetProductDesc_Result>>() as IEnumerable<dynamic>)
+                    .Cast<GetProductDesc_Result>()
+                    .ToArray();
                 var res = db.Procedures.GetProductDesc_withparameters<GetProductDesc_Result>(PID: 707);
                 res = db.Procedures.GetProductDesc_withDefaultparameters<GetProductDesc_Result>();