Update examples

testsuite/eval/unsafeidir/Main.hs

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+
+import System.Plugins.Make
+import System.Eval.Haskell
+
+main = do make "a/Extra.hs" []
+        
+          i <- unsafeEval_ "show (Just (1 + 6 :: Int)) ++ extra" 
+                        ["Data.Maybe", "Extra"] 
+                        ["-ia"]      -- no make flags
+                        []           -- no package.confs
+                        ["a"]        -- include paths to load from
+                        :: IO (Either [String] String)
+               
+          case i of
+                Right i -> putStrLn $ show i
+                Left es -> mapM_ putStrLn es

testsuite/eval/unsafeidir/Makefile

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+TOP=../../..
+include ../../eval.mk

testsuite/eval/unsafeidir/a/Extra.hs

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+module Extra where
+
+extra = "an extra value"

testsuite/eval/unsafeidir/expected

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+"Just 7an extra value"