Bump version to 3.4.0 alpha 0.
diff --git a/PCbuild/pyproject.props b/PCbuild/pyproject.props
index 4afbe3c..fae0d99 100644
--- a/PCbuild/pyproject.props
+++ b/PCbuild/pyproject.props
@@ -13,7 +13,7 @@
<IntDir>$(SolutionDir)$(PlatformName)-temp-$(Configuration)\$(ProjectName)\</IntDir>
</PropertyGroup>
<PropertyGroup Label="UserMacros">
- <PyDllName>python33$(PyDebugExt)</PyDllName>
+ <PyDllName>python34$(PyDebugExt)</PyDllName>
<PythonExe>$(OutDir)python$(PyDebugExt).exe</PythonExe>
<KillPythonExe>$(OutDir)kill_python$(PyDebugExt).exe</KillPythonExe>
<externalsDir>..\..</externalsDir>