diff --git a/LearnositySDK.sln b/LearnositySDK.sln
index 22ca26b..3eda81b 100755
--- a/LearnositySDK.sln
+++ b/LearnositySDK.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
-VisualStudioVersion = 12.0.40629.0
+# Visual Studio 14
+VisualStudioVersion = 14.0.23107.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LearnositySDK", "LearnositySDK\LearnositySDK.csproj", "{4A1F8BE2-02A2-424D-AE33-11F742E18EED}"
 EndProject
@@ -17,6 +17,10 @@ Global
 		{4A1F8BE2-02A2-424D-AE33-11F742E18EED}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4A1F8BE2-02A2-424D-AE33-11F742E18EED}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4A1F8BE2-02A2-424D-AE33-11F742E18EED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1A1FFC7A-6BBA-4B37-8734-25A4AB46E0C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1A1FFC7A-6BBA-4B37-8734-25A4AB46E0C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1A1FFC7A-6BBA-4B37-8734-25A4AB46E0C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1A1FFC7A-6BBA-4B37-8734-25A4AB46E0C2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/LearnositySDK/LearnositySDK.csproj b/LearnositySDK/LearnositySDK.csproj
index 80a0390..26e32c5 100755
--- a/LearnositySDK/LearnositySDK.csproj
+++ b/LearnositySDK/LearnositySDK.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>LearnositySDK</RootNamespace>
     <AssemblyName>LearnositySDK</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
@@ -22,6 +22,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -30,6 +31,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
diff --git a/LearnositySDK/Utils/JsonObject.cs b/LearnositySDK/Utils/JsonObject.cs
index 6797f7c..0c87410 100755
--- a/LearnositySDK/Utils/JsonObject.cs
+++ b/LearnositySDK/Utils/JsonObject.cs
@@ -14,7 +14,7 @@ public class JsonObject : ICloneable
         private bool array;
         private int arrayIndex;
         private Dictionary<string, int> di;
-        private Dictionary<string, float> df;
+        private Dictionary<string, decimal> dd;
         private Dictionary<string, string> ds;
         private Dictionary<string, JsonObject> dj;
         private Dictionary<string, bool> db;
@@ -27,13 +27,13 @@ public JsonObject(bool isArray = false)
             this.array = isArray;
             this.arrayIndex = 0; // lastInsertedIndex
             this.di = new Dictionary<string, int>();
-            this.df = new Dictionary<string, float>();
+            this.dd = new Dictionary<string, decimal>();
             this.ds = new Dictionary<string, string>();
             this.dj = new Dictionary<string, JsonObject>();
             this.db = new Dictionary<string, bool>();
             this.da = new Dictionary<string, JsonObject>();
             this.dt = new Dictionary<string, JToken>();
-            this.types = new string[7] { "int", "string", "JsonObject", "bool", "JsonArray", "float", "NULL" };
+            this.types = new string[7] { "int", "string", "JsonObject", "bool", "JsonArray", "decimal", "NULL" };
         }
 
         public bool isArray()
@@ -55,7 +55,7 @@ public void set(int value)
         /// Sets/adds the value
         /// </summary>
         /// <param name="value"></param>
-        public void set(float value)
+        public void set(decimal value)
         {
             this.set(this.arrayIndex, value);
             this.arrayIndex++;
@@ -138,7 +138,7 @@ public void set(int key, int value)
         /// </summary>
         /// <param name="key"></param>
         /// <param name="value"></param>
-        public void set(int key, float value)
+        public void set(int key, decimal value)
         {
             this.set(key.ToString(), value);
         }
@@ -208,9 +208,9 @@ public void set(string key, int value)
         /// </summary>
         /// <param name="key"></param>
         /// <param name="value"></param>
-        public void set(string key, float value)
+        public void set(string key, decimal value)
         {
-            this.set("float", key, value);
+            this.set("decimal", key, value);
         }
 
         /// <summary>
@@ -268,7 +268,7 @@ public void remove(string key)
         {
             this.db.Remove(key);
             this.di.Remove(key);
-            this.df.Remove(key);
+            this.dd.Remove(key);
             this.ds.Remove(key);
             this.dj.Remove(key);
             this.da.Remove(key);
@@ -325,7 +325,7 @@ public void set(string type, string key, Object value)
                     break;
                 case 4: this.da.Add(key, (JsonObject)value);
                     break;
-                case 5: this.df.Add(key, (float)value);
+                case 5: this.dd.Add(key, (decimal)value);
                     break;
                 case 6: this.dt.Add(key, (JToken)value);
                     break;
@@ -453,10 +453,10 @@ public Object get(string key, ref string type)
                 return this.da[key];
             }
 
-            if (this.df.ContainsKey(key))
+            if (this.dd.ContainsKey(key))
             {
-                type = "float";
-                return this.df[key];
+                type = "decimal";
+                return this.dd[key];
             }
 
             if (this.dt.ContainsKey(key))
@@ -530,7 +530,7 @@ public string[] getKeys()
                 l.Add(item.Key);
             }
 
-            foreach (KeyValuePair<string, float> item in this.df)
+            foreach (KeyValuePair<string, decimal> item in this.dd)
             {
                 l.Add(item.Key);
             }
@@ -578,7 +578,7 @@ public int count()
             count += this.db.Count;
             count += this.dj.Count;
             count += this.da.Count;
-            count += this.df.Count;
+            count += this.dd.Count;
             count += this.dt.Count;
 
             return count;
@@ -625,9 +625,9 @@ public string toJson()
                     {
                         sb.Append(this.di[key].ToString());
                     }
-                    else if (this.df.ContainsKey(key))
+                    else if (this.dd.ContainsKey(key))
                     {
-                        sb.Append(this.df[key].ToString("R", CultureInfo.InvariantCulture));
+                        sb.Append(this.dd[key].ToString(CultureInfo.InvariantCulture));
                     }
                     else if (this.ds.ContainsKey(key))
                     {
@@ -671,14 +671,14 @@ public string toJson()
                     index++;
                 }
 
-                foreach (KeyValuePair<string, float> item in this.df)
+                foreach (KeyValuePair<string, decimal> item in this.dd)
                 {
                     if (index > 0)
                     {
                         sb.Append(",");
                     }
 
-                    sb.Append(Json.encode(item.Key) + ":" + item.Value.ToString("R", CultureInfo.InvariantCulture));
+                    sb.Append(Json.encode(item.Key) + ":" + item.Value.ToString(CultureInfo.InvariantCulture));
 
                     index++;
                 }
diff --git a/LearnositySDK/Utils/JsonObjectFactory.cs b/LearnositySDK/Utils/JsonObjectFactory.cs
index 8aca1c6..8493e93 100755
--- a/LearnositySDK/Utils/JsonObjectFactory.cs
+++ b/LearnositySDK/Utils/JsonObjectFactory.cs
@@ -96,7 +96,7 @@ public static JsonObject fromJToken(JsonObject jsonObject, string key, JToken it
                     jsonObject.set(key, (int)item);
                     break;
                 case JTokenType.Float:
-                    jsonObject.set(key, (float)item);
+                    jsonObject.set(key, (decimal)item);
                     break;
                 case JTokenType.String:
                     jsonObject.set(key, (string)item);
diff --git a/LearnositySDK/packages.config b/LearnositySDK/packages.config
index 9b49c9e..64b5d8e 100644
--- a/LearnositySDK/packages.config
+++ b/LearnositySDK/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/UnitTestProject1/CheckingEqualityUnitTests.cs b/UnitTestProject1/CheckingEqualityUnitTests.cs
index e017531..d9e448d 100644
--- a/UnitTestProject1/CheckingEqualityUnitTests.cs
+++ b/UnitTestProject1/CheckingEqualityUnitTests.cs
@@ -14,7 +14,7 @@ public class CheckingEqualityUnitTests
         [TestMethod]
         public void inputJSONEqualsOutput()
         {
-            string JSON = "{\"boolean\":true,\"integer\":1,\"float\":1.2,\"string\":\"string\",\"object\":{\"property\":null},\"array\":[null,[2]]}";
+            string JSON = "{\"boolean\":true,\"integer\":1,\"decimal\":1.2,\"string\":\"string\",\"object\":{\"property\":null},\"array\":[null,[2]]}";
             JsonObject jo = JsonObjectFactory.fromString(JSON);
             string outputJSON = jo.toJson();
 
@@ -45,7 +45,7 @@ public void inputJSONEqualsOutput()
         [TestMethod]
         public void JSONEqualityMethodWorksProperly()
         {
-            string JSON = "{\"boolean\":true,\"integer\":1,\"float\":1.2,\"string\":\"string\",\"object\":{\"property\":null},\"array\":[null,[2]]}";
+            string JSON = "{\"boolean\":true,\"integer\":1,\"decimal\":1.2,\"string\":\"string\",\"object\":{\"property\":null},\"array\":[null,[2]]}";
 
             // building a structure for comparison purposes
             JsonObject jo = new JsonObject();
@@ -54,7 +54,7 @@ public void JSONEqualityMethodWorksProperly()
             JsonObject jaInner = new JsonObject(true);
             jo.set("boolean", true);
             jo.set("integer", 1);
-            jo.set("float", 1.2f);
+            jo.set("decimal", 1.2m);
             jo.set("string", "string");
             jo.set("object", joInner);
             jo.set("array", ja);
diff --git a/UnitTestProject1/LearnositySDKUnitTests.csproj b/UnitTestProject1/LearnositySDKUnitTests.csproj
index 67c0e00..3809b86 100644
--- a/UnitTestProject1/LearnositySDKUnitTests.csproj
+++ b/UnitTestProject1/LearnositySDKUnitTests.csproj
@@ -8,7 +8,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>UnitTestProject1</RootNamespace>
     <AssemblyName>UnitTestProject1</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
@@ -26,6 +26,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -34,6 +35,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
diff --git a/UnitTestProject1/MergingObjectsUnitTests.cs b/UnitTestProject1/MergingObjectsUnitTests.cs
index d999c4e..bb8e809 100644
--- a/UnitTestProject1/MergingObjectsUnitTests.cs
+++ b/UnitTestProject1/MergingObjectsUnitTests.cs
@@ -140,7 +140,7 @@ public void RecursiveMergingJSONObjectsWorksProperly()
             jo1a.setNull();
             jo1a.set("string");
             jo1a.set(1);
-            jo1a.set(1.2f);
+            jo1a.set(1.2m);
             jo1a.set(jo1ao1);
             jo1a.set(jo1ao2);
             jo1ao1.set("a", "a1");
@@ -158,7 +158,7 @@ public void RecursiveMergingJSONObjectsWorksProperly()
             jo2a.setNull();
             jo2a.set("string");
             jo2a.set(1);
-            jo2a.set(1.2f);
+            jo2a.set(1.2m);
             jo2a.set(jo2ao1);
             jo2a.set(jo2ao2);
             jo2ao1.set("a", "a2");