New way of generating .pyc files, thanks to Sjoerd.
urllib.py: '+' is not always safe (even though the RFC says so :-( )
whrandom.py: throw away top bits of time to avoid overflow on Mac
(where times can be negative)
diff --git a/Lib/importall.py b/Lib/importall.py
index 1d20377..1383e80 100755
--- a/Lib/importall.py
+++ b/Lib/importall.py
@@ -1,3 +1,5 @@
+# THIS IS OBSOLETE -- USE MODULE 'compileall' INSTEAD!
+
# Utility module to import all modules in the path, in the hope
# that this will update their ".pyc" files.