Remove superfluous imports.
Remove superfluous imports.
Use mapM_ rather than mapM.

This requires changing the explanation as well, slightly. But I
think it's good style to not use mapM when the results are dropped,
even though the list is small enough here so that it wouldn't
matter.
Remove superfluous imports.
Whitespace fix (for consistency).
Remove superfluous LANGUAGE pragma.
Remove superfluous imports.
Merge pull request #2 from kosmikus/geturls

minor fixes to the geturls samples