Re-export Data.String from HaskellPrelude (fixes #59)
Re-export Data.String from HaskellPrelude (fixes #59)

Ye-Yong-Chi/codeworld,d191562687/codeworld,alphalambda/codeworld,parvmor/codeworld,xwysp/codeworld,stefan-j/codeworld,parvmor/codeworld,pranjaltale16/codeworld,nomeata/codeworld,parvmor/codeworld,nomeata/codeworld,alphalambda/codeworld,pranjaltale16/codeworld,d191562687/codeworld,tgdavies/codeworld,d191562687/codeworld,venkat24/codeworld,tgdavies/codeworld,google/codeworld,Ye-Yong-Chi/codeworld,xwysp/codeworld,google/codeworld,three/codeworld,tgdavies/codeworld,google/codeworld,stefan-j/codeworld,alphalambda/codeworld,three/codeworld,three/codeworld,venkat24/codeworld,pranjaltale16/codeworld,nomeata/codeworld,Ye-Yong-Chi/codeworld,venkat24/codeworld,xwysp/codeworld,stefan-j/codeworld