Version bump to 0.4.2.0
Version bump to 0.4.2.0

beni55/IHaskell,beni55/IHaskell,thomasjm/IHaskell,kfiz/IHaskell,franklx/IHaskell,artuuge/IHaskell,artuuge/IHaskell,sumitsahrawat/IHaskell,qzchenwl/IHaskell,kfiz/IHaskell,artuuge/IHaskell,beni55/IHaskell,FranklinChen/IHaskell,artuuge/IHaskell,franklx/IHaskell,sumitsahrawat/IHaskell,wyager/IHaskell,qzchenwl/IHaskell,wyager/IHaskell,kfiz/IHaskell,FranklinChen/IHaskell,sumitsahrawat/IHaskell,qzchenwl/IHaskell,qzchenwl/IHaskell,wyager/IHaskell,kfiz/IHaskell,gibiansky/IHaskell,gibiansky/IHaskell,thomasjm/IHaskell,beni55/IHaskell,franklx/IHaskell,franklx/IHaskell,FranklinChen/IHaskell,thomasjm/IHaskell,wyager/IHaskell,gibiansky/IHaskell,FranklinChen/IHaskell,thomasjm/IHaskell