Multiline string support, mainly used to enter multiline sql strings

robbed from http://old.nabble.com/Multi-line-string-literals-are-both-easy--and--elegant-in-Haskell-td19959973.html

> {-# OPTIONS_HADDOCK hide #-}

> module Database.HsSqlPpp.Here where

> import Language.Haskell.TH.Quote
> --import Language.Haskell.TH.Syntax
> import Language.Haskell.TH.Lib

> here :: QuasiQuoter
> here = QuasiQuoter (litE . stringL) (litP . stringL)