diff --git a/Python.Runtime.dll.config b/Python.Runtime.dll.config
index 228c1417a..8591f58fe 100644
--- a/Python.Runtime.dll.config
+++ b/Python.Runtime.dll.config
@@ -1,22 +1,20 @@
-<!-- Mono DLL map for Python.Runtime.dll
-
-Keep this file next to Python.Runtime.dll
-
-For more information read:
-  http://www.mono-project.com/Config
-  http://www.mono-project.com/Config_DllMap
-
--->
-
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-	<dllmap dll="python27" target="libpython2.7.so" os="!windows" />
-	<dllmap dll="python33" target="libpython3.3.so" os="!windows" />
-	<dllmap dll="python34" target="libpython3.4.so" os="!windows" />
+  <!-- Mono DLL map for Python.Runtime.dll
+       Keep this file next to Python.Runtime.dll
+       For more information read:
+       http://www.mono-project.com/Config
+       http://www.mono-project.com/Config_DllMap -->
+  <dllmap dll="python27" target="libpython2.7.so" os="!windows" />
+  <dllmap dll="python33" target="libpython3.3.so" os="!windows" />
+  <dllmap dll="python34" target="libpython3.4.so" os="!windows" />
   <dllmap dll="python35" target="libpython3.5.so" os="!windows" />
   <dllmap dll="python36" target="libpython3.6.so" os="!windows" />
-	<dllmap dll="python27.dll" target="libpython2.7.so" os="!windows" />
-	<dllmap dll="python33.dll" target="libpython3.3.so" os="!windows" />
-	<dllmap dll="python34.dll" target="libpython3.4.so" os="!windows" />
+  <dllmap dll="python37" target="libpython3.7.so" os="!windows" />
+  <dllmap dll="python27.dll" target="libpython2.7.so" os="!windows" />
+  <dllmap dll="python33.dll" target="libpython3.3.so" os="!windows" />
+  <dllmap dll="python34.dll" target="libpython3.4.so" os="!windows" />
   <dllmap dll="python35.dll" target="libpython3.5.so" os="!windows" />
   <dllmap dll="python36.dll" target="libpython3.6.so" os="!windows" />
+  <dllmap dll="python37.dll" target="libpython3.7.so" os="!windows" />
 </configuration>
diff --git a/src/clrmodule/clrmodule.csproj b/src/clrmodule/clrmodule.csproj
index c3d6ec7dc..435630d0e 100644
--- a/src/clrmodule/clrmodule.csproj
+++ b/src/clrmodule/clrmodule.csproj
@@ -1,147 +1,68 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
-    <ProductVersion>8.0.30703</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{86E834DE-1139-4511-96CC-69636A56E7AC}</ProjectGuid>
     <OutputType>Library</OutputType>
-    <RootNamespace>clrmodule</RootNamespace>
     <AssemblyName>clrmodule</AssemblyName>
+    <RootNamespace>clrmodule</RootNamespace>
+    <DocumentationFile>bin\clrmodule.xml</DocumentationFile>
+    <OutputPath>bin\</OutputPath>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+    <NoWarn>1591</NoWarn>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
+    <!--If need to freeze language version: <LangVersion>5</LangVersion> !-->
     <RestorePackages>true</RestorePackages>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x86'">
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x64'">
     <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMono'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2</DefineConstants>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;TRACE;DEBUG</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x86'">
-    <OutputPath>bin\</OutputPath>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMono'">
     <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x64'">
-    <OutputPath>bin\</OutputPath>
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWin'">
+    <DebugSymbols>true</DebugSymbols>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;TRACE;DEBUG</DefineConstants>
+    <DebugType>full</DebugType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWin'">
     <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMonoPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3</DefineConstants>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;TRACE;DEBUG</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x64'">
-    <OutputPath>bin\</OutputPath>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMonoPY3'">
     <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWinPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3</DefineConstants>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;TRACE;DEBUG</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x64'">
-    <OutputPath>bin\</OutputPath>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWinPY3'">
     <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="RGiesecke.DllExport.Metadata">
diff --git a/src/clrmodule/packages.config b/src/clrmodule/packages.config
index 01dd53f14..2a95dc54d 100644
--- a/src/clrmodule/packages.config
+++ b/src/clrmodule/packages.config
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-
 <packages>
   <package id="UnmanagedExports" version="1.2.7" targetFramework="net40" />
 </packages>
diff --git a/src/console/Console.csproj b/src/console/Console.csproj
index ed591af21..cdee6893b 100644
--- a/src/console/Console.csproj
+++ b/src/console/Console.csproj
@@ -5,160 +5,70 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{E29DCF0A-5114-4A98-B1DD-71264B6EA349}</ProjectGuid>
     <OutputType>Exe</OutputType>
-    <NoStandardLibraries>false</NoStandardLibraries>
     <AssemblyName>nPython</AssemblyName>
     <RootNamespace>Python.Runtime</RootNamespace>
-    <RunPostBuildEvent>OnBuildSuccess</RunPostBuildEvent>
-    <ApplicationIcon>python-clear.ico</ApplicationIcon>
-    <ProductVersion>10.0.0</ProductVersion>
-    <SchemaVersion>2.0</SchemaVersion>
+    <DocumentationFile>bin\nPython.xml</DocumentationFile>
+    <OutputPath>bin\</OutputPath>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkProfile />
+    <NoWarn>1591</NoWarn>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
+    <!--If need to freeze language version: <LangVersion>5</LangVersion> !-->
+    <ApplicationIcon>python-clear.ico</ApplicationIcon>
     <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x86'">
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x64'">
     <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMono'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMono'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWin'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWin'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMonoPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMonoPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWinPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWinPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
   <PropertyGroup Condition="'$(PythonManifest)' != ''">
     <ApplicationManifest>$(PythonManifest)</ApplicationManifest>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AssemblyInfo.cs" />
@@ -170,9 +80,6 @@
       <LogicalName>Python.Runtime.dll</LogicalName>
     </EmbeddedResource>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="app.config" />
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\runtime\Python.Runtime.csproj">
       <Project>{097b4ac0-74e9-4c58-bcf8-c69746ec8271}</Project>
@@ -180,9 +87,6 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-  <ProjectExtensions>
-    <VisualStudio AllowExistingFolder="true" />
-  </ProjectExtensions>
   <Target Name="AfterBuild">
     <Copy SourceFiles="$(TargetPath)" DestinationFolder="$(PythonBuildDir)" />
   </Target>
diff --git a/src/console/app.config b/src/console/app.config
deleted file mode 100644
index e7368c65b..000000000
--- a/src/console/app.config
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0"?>
-
-<configuration>
-  <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
-  </startup>
-</configuration>
\ No newline at end of file
diff --git a/src/embed_tests/Python.EmbeddingTest.csproj b/src/embed_tests/Python.EmbeddingTest.csproj
index c9586cf4a..743c9dabe 100644
--- a/src/embed_tests/Python.EmbeddingTest.csproj
+++ b/src/embed_tests/Python.EmbeddingTest.csproj
@@ -5,158 +5,70 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{4165C59D-2822-499F-A6DB-EACA4C331EB5}</ProjectGuid>
     <OutputType>Library</OutputType>
-    <NoStandardLibraries>false</NoStandardLibraries>
     <AssemblyName>Python.EmbeddingTest</AssemblyName>
     <RootNamespace>Python.EmbeddingTest</RootNamespace>
-    <RunPostBuildEvent>OnBuildSuccess</RunPostBuildEvent>
+    <DocumentationFile>bin\Python.EmbeddingTest.xml</DocumentationFile>
+    <OutputPath>bin\</OutputPath>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkProfile />
+    <NoWarn>1591</NoWarn>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
+    <!--If need to freeze language version: <LangVersion>5</LangVersion> !-->
     <RestorePackages>true</RestorePackages>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x86'">
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x64'">
     <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMono'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMono'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWin'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWin'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMonoPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMonoPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWinPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWinPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
       <HintPath>..\..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\pythonnet.snk" />
@@ -179,9 +91,6 @@
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-  <ProjectExtensions>
-    <VisualStudio AllowExistingFolder="true" />
-  </ProjectExtensions>
   <PropertyGroup>
     <TargetAssembly>$(TargetPath)</TargetAssembly>
     <TargetAssemblyPdb>$(TargetDir)$(TargetName).pdb</TargetAssemblyPdb>
diff --git a/src/runtime/Python.Runtime.csproj b/src/runtime/Python.Runtime.csproj
index f630ab25d..977721708 100644
--- a/src/runtime/Python.Runtime.csproj
+++ b/src/runtime/Python.Runtime.csproj
@@ -2,169 +2,78 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{097B4AC0-74E9-4C58-BCF8-C69746EC8271}</ProjectGuid>
     <OutputType>Library</OutputType>
-    <NoStandardLibraries>false</NoStandardLibraries>
     <AssemblyName>Python.Runtime</AssemblyName>
     <RootNamespace>Python.Runtime</RootNamespace>
+    <DocumentationFile>bin\Python.Runtime.xml</DocumentationFile>
+    <OutputPath>bin\</OutputPath>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkProfile />
+    <NoWarn>1591</NoWarn>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS4</DefineConstants>
+    <!--If need to freeze language version: <LangVersion>5</LangVersion> !-->
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Platform)' == 'x86'">
     <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x64'">
     <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMono'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS4</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMonoPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS4</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMono'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2;PYTHON27;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS4;TRACE;DEBUG</DefineConstants>
     <Optimize>false</Optimize>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMonoPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2;PYTHON27;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS4;TRACE;DEBUG</DefineConstants>
     <Optimize>false</Optimize>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2;PYTHON27;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>false</Optimize>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON2;PYTHON27;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>false</Optimize>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWin'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS2</DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x64'">
-    <OutputPath>bin\</OutputPath>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWinPY3'">
     <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWin'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3;PYTHON36;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON2;PYTHON27;UCS2;TRACE;DEBUG</DefineConstants>
     <Optimize>false</Optimize>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWinPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3;PYTHON36;UCS4</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <DefineConstants Condition="'$(DefineConstants)' == ''">PYTHON3;PYTHON36;UCS2;TRACE;DEBUG</DefineConstants>
     <Optimize>false</Optimize>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3;PYTHON36;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>false</Optimize>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">TRACE;DEBUG;PYTHON3;PYTHON36;UCS2</DefineConstants>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>false</Optimize>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-  </PropertyGroup>
-  <Choose>
-    <When Condition=" '$(Configuration)'=='DebugMono' ">
-      <ItemGroup>
-        <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-          <SpecificVersion>False</SpecificVersion>
-          <HintPath>..\..\packages\MonoGAC\Mono.Posix\4.0.0.0__0738eb9f132ed756\Mono.Posix.dll</HintPath>
-        </Reference>
-      </ItemGroup>
-    </When>
-    <When Condition=" '$(Configuration)'=='ReleaseMono' ">
-      <ItemGroup>
-        <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
-          <SpecificVersion>False</SpecificVersion>
-          <HintPath>..\..\packages\MonoGAC\Mono.Posix\4.0.0.0__0738eb9f132ed756\Mono.Posix.dll</HintPath>
-        </Reference>
-      </ItemGroup>
-    </When>
-  </Choose>
+  <ItemGroup Condition=" '$(Configuration)'=='DebugMono' Or '$(Configuration)'=='ReleaseMono' ">
+    <Reference Include="Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\packages\MonoGAC\Mono.Posix\4.0.0.0__0738eb9f132ed756\Mono.Posix.dll</HintPath>
+    </Reference>
+  </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
   </ItemGroup>
@@ -249,9 +158,6 @@
     </EmbeddedResource>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-  <ProjectExtensions>
-    <VisualStudio AllowExistingFolder="true" />
-  </ProjectExtensions>
   <PropertyGroup>
     <TargetAssembly>$(TargetPath)</TargetAssembly>
     <TargetAssemblyPdb>$(TargetDir)$(TargetName).pdb</TargetAssemblyPdb>
diff --git a/src/testing/Python.Test.csproj b/src/testing/Python.Test.csproj
index 3201cd635..5faca36b2 100644
--- a/src/testing/Python.Test.csproj
+++ b/src/testing/Python.Test.csproj
@@ -5,150 +5,64 @@
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{6F401A34-273B-450F-9A4C-13550BE0767B}</ProjectGuid>
     <OutputType>Library</OutputType>
-    <NoStandardLibraries>false</NoStandardLibraries>
     <AssemblyName>Python.Test</AssemblyName>
     <RootNamespace>Python.Test</RootNamespace>
-    <RunPostBuildEvent Condition=" '$(OS)' == 'Windows_NT'">OnBuildSuccess</RunPostBuildEvent>
+    <DocumentationFile>bin\Python.Test.xml</DocumentationFile>
+    <OutputPath>bin\</OutputPath>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <TargetFrameworkProfile />
+    <NoWarn>1591</NoWarn>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMono|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
+    <!--If need to freeze language version: <LangVersion>5</LangVersion> !-->
+    <SignAssembly>true</SignAssembly>
     <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x86'">
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMono|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
+  <PropertyGroup Condition=" '$(Platform)' == 'x64'">
     <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMono'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x64'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWin|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMono'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x86'">
-    <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugMonoPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWin'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWin'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseMonoPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x86'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugMonoPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWinPY3|x64'">
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseMonoPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)' == 'DebugWinPY3'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\</OutputPath>
     <DefineConstants Condition="'$(DefineConstants)' == ''">DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x86'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
+  <PropertyGroup Condition=" '$(Configuration)' == 'ReleaseWinPY3'">
+    <DefineConstants Condition="'$(DefineConstants)' == ''"></DefineConstants>
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseWinPY3|x64'">
-    <OutputPath>bin\</OutputPath>
-    <DefineConstants Condition="'$(DefineConstants)' == ''">
-    </DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <PlatformTarget>x64</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="arraytest.cs" />
@@ -175,9 +89,6 @@
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />
-    <Reference Include="System.Core">
-      <RequiredTargetFramework>3.5</RequiredTargetFramework>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\runtime\Python.Runtime.csproj">
@@ -186,9 +97,6 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
-  <ProjectExtensions>
-    <VisualStudio AllowExistingFolder="true" />
-  </ProjectExtensions>
   <PropertyGroup>
     <PythonBuildDir Condition=" '$(PythonBuildDir)' == '' ">$(SolutionDir)</PythonBuildDir>
     <TargetAssembly>$(TargetPath)</TargetAssembly>