Clean up the PCBuild project files, removing redundant settings and
use "references" to link to dependent projects.
Update readme and batch files.
diff --git a/PCbuild/vs9to10.py b/PCbuild/vs9to10.py
new file mode 100644
index 0000000..8bf832a
--- /dev/null
+++ b/PCbuild/vs9to10.py
@@ -0,0 +1,56 @@
+#Run this file after automatic convertsion of the VisualStudio 2008 solution by VisualStudio 2010.
+#This can be done whenever the 2008 solution changes.
+#It will make the necessary cleanup and updates to the vcxproj files
+#the .props files need to be maintained by hand if the .vsprops files change
+
+from __future__ import with_statement
+import sys
+import os
+import os.path
+
+def vs9to10(src, dest):
+    for name in os.listdir(src):
+        path, ext = os.path.splitext(name)
+        if ext.lower() not in ('.vcxproj',):
+            continue
+
+        filename = os.path.normpath(os.path.join(src, name))
+        destname = os.path.normpath(os.path.join(dest, name))
+        print("%s -> %s" % (filename, destname))
+
+        lines = []
+        lastline = b""
+        importgroup = False
+        with open(filename, 'rb') as fin:
+            for line in fin:
+                #remove redundant linker output info
+                if b"<OutputLine>" in line:
+                    continue
+                if b"<ProgramDatabaseFile>" in line:
+                    continue
+                if b"<ImportLibrary>" in line and b"</ImportLibrary>" in line:
+                    continue
+
+                #add new property sheet to the pythoncore
+                if importgroup and "pythoncore" in name.lower():
+                    if b"</ImportGroup>" in line:
+                        if b"debug.props" in lastline:
+                            lines.append(b'    <Import Project="pythoncore_d.props" />\r\n')
+                        elif b"pythoncore" not in lastline:
+                            lines.append(b'    <Import Project="pythoncore.props" />\r\n')
+                if b"<ImportGroup Condition" in line:
+                    importgroup = True
+                elif b"</ImportGroup>" in line:
+                    importgroup = False
+                lines.append(line)
+                lastline = line
+        with open(destname, 'wb') as fout:
+            for line in lines:
+                fout.write(line)
+
+if __name__ == "__main__":
+    src = "." if len(sys.argv) < 2 else sys.argv[1]
+    name = os.path.basename(os.path.abspath(src))
+    dest = os.path.abspath(os.path.join(src, "..", name + "Upd"))
+    os.makedirs(dest)
+    vs9to10(src, dest)