[add whether a function is exported to Info field, make strictness optional
John Meacham <john@repetae.net>**20050929013847] hunk ./FlagOpts.flags 8
+strictness perform strictness analysis
hunk ./Main.hs 183
+        nfo <- return $ if isExported n then Info.insert Exported nfo else nfo
hunk ./Main.hs 257
-    vs <- collectSolve lc
+    vs <- if fopts FO.Strictness then (collectSolve lc) else return []