Split off the Serialization namespace into a new assembly.
diff --git a/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj b/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
index 5e31987..bf22426 100644
--- a/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
+++ b/src/ProtocolBuffers.Test/ProtocolBuffers.Test.csproj
@@ -124,6 +124,10 @@
<Compile Include="WireFormatTest.cs" />
</ItemGroup>
<ItemGroup>
+ <ProjectReference Include="..\ProtocolBuffers.Serialization\ProtocolBuffers.Serialization.csproj">
+ <Project>{231391AF-449C-4a39-986C-AD7F270F4750}</Project>
+ <Name>ProtocolBuffers.Serialization</Name>
+ </ProjectReference>
<ProjectReference Include="..\ProtocolBuffers\ProtocolBuffers.csproj">
<Project>{6908BDCE-D925-43F3-94AC-A531E6DF2591}</Project>
<Name>ProtocolBuffers</Name>