diff --git a/.gitignore b/.gitignore
index b076101a..3184e461 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,4 +30,8 @@ ipch/
 *.suo
 *.user
 *.userosscache
-*.sln.docstates
\ No newline at end of file
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Rr]elease/
\ No newline at end of file
diff --git a/project/msvc2013/wren.sln b/project/msvc2013/wren.sln
index 283ba5ba..d115801f 100644
--- a/project/msvc2013/wren.sln
+++ b/project/msvc2013/wren.sln
@@ -1,9 +1,13 @@
-
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
 VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wren", "wren/wren.vcxproj", "{EBF43135-4A7A-400A-8F23-DF49907025AA}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wren", "wren\wren.vcxproj", "{EBF43135-4A7A-400A-8F23-DF49907025AA}"
+	ProjectSection(ProjectDependencies) = postProject
+		{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874} = {89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "wren_lib", "wren_lib\wren_lib.vcxproj", "{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +19,10 @@ Global
 		{EBF43135-4A7A-400A-8F23-DF49907025AA}.Debug|Win32.Build.0 = Debug|Win32
 		{EBF43135-4A7A-400A-8F23-DF49907025AA}.Release|Win32.ActiveCfg = Release|Win32
 		{EBF43135-4A7A-400A-8F23-DF49907025AA}.Release|Win32.Build.0 = Release|Win32
+		{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}.Debug|Win32.ActiveCfg = Debug|Win32
+		{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}.Debug|Win32.Build.0 = Debug|Win32
+		{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}.Release|Win32.ActiveCfg = Release|Win32
+		{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}.Release|Win32.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/project/msvc2013/wren/wren.vcxproj b/project/msvc2013/wren/wren.vcxproj
index 27fbc679..f4882c33 100644
--- a/project/msvc2013/wren/wren.vcxproj
+++ b/project/msvc2013/wren/wren.vcxproj
@@ -42,10 +42,12 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <LinkIncremental>true</LinkIncremental>
     <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);$(SolutionDir)..\..\src\include</IncludePath>
+    <LibraryPath>$(OutDir);$(VC_LibraryPath_x86);$(WindowsSDK_LibraryPath_x86);</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
     <IncludePath>$(SolutionDir)..\..\src\include;$(IncludePath)</IncludePath>
+    <LibraryPath>$(OutDir);$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -53,12 +55,13 @@
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\..\src;..\..\..\include</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>wren_static_d.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -69,7 +72,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\..\src;..\..\..\include</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
@@ -77,28 +80,18 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalDependencies>wren_static.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\..\..\src\cli\io.c" />
     <ClCompile Include="..\..\..\src\cli\main.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_compiler.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_core.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_debug.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_io.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_utils.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_value.c" />
-    <ClCompile Include="..\..\..\src\vm\wren_vm.c" />
+    <ClCompile Include="..\..\..\src\cli\vm.c" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\..\..\src\cli\io.h" />
+    <ClInclude Include="..\..\..\src\cli\vm.h" />
     <ClInclude Include="..\..\..\src\include\wren.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_common.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_compiler.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_core.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_debug.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_io.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_utils.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_value.h" />
-    <ClInclude Include="..\..\..\src\vm\wren_vm.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/project/msvc2013/wren/wren.vcxproj.filters b/project/msvc2013/wren/wren.vcxproj.filters
index 94a1c4f7..3a0dd345 100644
--- a/project/msvc2013/wren/wren.vcxproj.filters
+++ b/project/msvc2013/wren/wren.vcxproj.filters
@@ -18,25 +18,10 @@
     <ClCompile Include="..\..\..\src\cli\main.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_compiler.c">
+    <ClCompile Include="..\..\..\src\cli\io.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_core.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_debug.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_io.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_utils.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_value.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\..\src\vm\wren_vm.c">
+    <ClCompile Include="..\..\..\src\cli\vm.c">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
@@ -44,28 +29,10 @@
     <ClInclude Include="..\..\..\src\include\wren.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_common.h">
+    <ClInclude Include="..\..\..\src\cli\io.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_compiler.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_core.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_debug.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_io.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_utils.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_value.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\..\src\vm\wren_vm.h">
+    <ClInclude Include="..\..\..\src\cli\vm.h">
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
diff --git a/project/msvc2013/wren_lib/wren_lib.vcxproj b/project/msvc2013/wren_lib/wren_lib.vcxproj
new file mode 100644
index 00000000..9a1fbd36
--- /dev/null
+++ b/project/msvc2013/wren_lib/wren_lib.vcxproj
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{89CF2C43-749E-4EC4-A7C3-3F22FBA9B874}</ProjectGuid>
+    <RootNamespace>wren_lib</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v120</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);$(SolutionDir)..\..\src\include;</IncludePath>
+    <TargetName>wren_static_d</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);$(SolutionDir)..\..\src\include</IncludePath>
+    <TargetName>wren_static</TargetName>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_LIB;_CRT_SECURE_NO_WARNINGS;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <PreprocessorDefinitions>_LIB;_CRT_SECURE_NO_WARNINGS;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\src\vm\wren_compiler.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_core.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_debug.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_io.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_utils.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_value.c" />
+    <ClCompile Include="..\..\..\src\vm\wren_vm.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\src\vm\wren_common.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_compiler.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_core.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_debug.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_io.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_utils.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_value.h" />
+    <ClInclude Include="..\..\..\src\vm\wren_vm.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/project/msvc2013/wren_lib/wren_lib.vcxproj.filters b/project/msvc2013/wren_lib/wren_lib.vcxproj.filters
new file mode 100644
index 00000000..461e35bc
--- /dev/null
+++ b/project/msvc2013/wren_lib/wren_lib.vcxproj.filters
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\src\vm\wren_compiler.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_core.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_debug.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_io.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_utils.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_value.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\vm\wren_vm.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\src\vm\wren_common.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_compiler.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_core.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_debug.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_io.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_utils.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_value.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\src\vm\wren_vm.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file