Codegen changes

[John Dias]

Just ran validate. Is the following a currently acceptable result, or do I 
have something to fix over here before I push?

OVERALL SUMMARY for test run started at Tue Oct 21 08:01:49 EDT 2008
     2232 total tests, which gave rise to
     8384 test cases, of which
        0 caused framework failures
     6466 were skipped

     1848 expected passes
       68 expected failures
        0 unexpected passes
        2 unexpected failures

Unexpected failures:
    break008(ghci)
    break017(ghci)


> John I think you can go ahead.  (What is your tufts email address?)

No tufts address yet -- probably not for another month or so
-j