haskell-async: add version 2.0.1.5
haskell-DAV: update to version 0.6
haskell-language-c-quote: update to version 0.7.6
haskell-mainland-pretty: update to version 0.2.7
haskell-scientific: update to version 0.1.0.1
haskell-smallcheck: update to version 1.1.1