haskell-statistics: update to version 0.11.0.1
haskell-system-fileio: update to version 0.3.13
haskell-unbound: update to version 0.4.3.1
haskell-QuickCheck: re-generate with cabal2nix
cabal2nix: fix build on old GHC versions
haskell-defaults.nix: cosmetic
cryptol2: pass sufficiently recent versions of Cabal and cabal-install
Configure alex and haddock versions per GHC release.
Fix builds of haskell-erf and haskell-dlist.
haskell-gloss: update to version 1.8.2.1
Fix haskell-haskeline build.
Fix builds of hashable, hashtables, and HsSyck with older compilers.
Haddock 2.7.2 requires alex 2.3.x to build.
Fix criterion build with older versions of GHC.
Fix haskell-cgi build with old versions of GHC.
haskell-wxcore: jailbreak to fix build with recent versions of array