Issue #1706: Require Windows 2000+
Added Py_BUILD_CORE_MODULES macro to set WINVER and NTDDI_VERSION to Windows 2000 for core modules, too
Added -d option to build.bat (same as -c Debug) and fixed warning about /build option
Updated Windows related readme.txt files
diff --git a/PCbuild/pyd.vsprops b/PCbuild/pyd.vsprops
index 2e21a80..726cebd 100644
--- a/PCbuild/pyd.vsprops
+++ b/PCbuild/pyd.vsprops
@@ -7,6 +7,7 @@
 	>
 	<Tool
 		Name="VCCLCompilerTool"
+		PreprocessorDefinitions="Py_BUILD_CORE_MODULE"
 		RuntimeLibrary="2"
 	/>
 	<Tool