Updated projects

Spiro/SpiroNet.csproj

@@ -45,10 +45,12 @@
     <Compile Include="BandMatrix.cs" />
     <Compile Include="IBezierContext.cs" />
     <Compile Include="SpiroControlPoint.cs" />
+    <Compile Include="SpiroImpl.cs" />
     <Compile Include="SpiroPointType.cs" />
     <Compile Include="SpiroSegment.cs" />
     <Compile Include="PathBezierContext.cs" />
     <Compile Include="Spiro.cs" />
+    <Compile Include="PathShape.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

Wpf/SpiroNet.Wpf.csproj

@@ -60,7 +60,6 @@
     <Compile Include="SpiroControl.xaml.cs">
       <DependentUpon>SpiroControl.xaml</DependentUpon>
     </Compile>
-    <Compile Include="SpiroShape.cs" />
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>