[make show-ho use lazy reading. don't rebuild files that depend on initial set of libraries
John Meacham <john@repetae.net>**20060427025912] hunk ./Ho/Build.hs 179
-    hh <- get bh
-    ho <- get bh
+    hh <- lazyGet bh
+    ho <- lazyGet bh
hunk ./Ho/Build.hs 325
-                    r <- if hoLibraryDeps ho' ho then f (hohModDepends hh) else return False
+                    r <- if hoLibraryDeps ho' (initialHo `mappend` ho) then f (hohModDepends hh) else return False