datetime escapes the sandbox.  The Windows build is all set.  I leave it
to others to argue about how to build it on other platforms (on Windows
it's in its own DLL).
diff --git a/PCbuild/pcbuild.dsw b/PCbuild/pcbuild.dsw
index b6d65c7..7e80aaa 100644
--- a/PCbuild/pcbuild.dsw
+++ b/PCbuild/pcbuild.dsw
@@ -129,6 +129,21 @@
 

 ###############################################################################

 

+Project: "datetime"=.\datetime.dsp - Package Owner=<4>

+

+Package=<5>

+{{{

+}}}

+

+Package=<4>

+{{{

+    Begin Project Dependency

+    Project_Dep_Name pythoncore

+    End Project Dependency

+}}}

+

+###############################################################################

+

 Project: "mmap"=.\mmap.dsp - Package Owner=<4>

 

 Package=<5>