haskell-parsec: update to version 3.1.5
haskell-attoparsec: add version 0.11.1.0
haskell-aeson: update to version 0.7.0.0
haskell-pandoc-citeproc: update to version 0.3.0.1
haskell-pandoc: update to version 1.12.3
haskell-pipes-attoparsec: update to version 0.3.1
haskell-shelly: update to version 1.4.0.1
haskell-symbol: update to version 0.2.1