Merge branch 'master' of git://github.com/christiaanb/clash into cλash

* 'master' of git://github.com/christiaanb/clash:
  TFVec builtin should now completely work
  Clean up imports in Generate.hs
  Use createDirectoryIfMissing to create the vhdl directory, as it can create the parent directories too
  Reflect API changes of clash in clash-nolibdir
  Bring back listBind(ings) in Utils.hs by reorganising Translator.hs and GhcTools.hs
  Fix a few comments so Haddock will complete
  Further clean up Translator.hs (almost done now)
  Cleanup Translator.hs
  Fail again when we find a global function
  Partially fixed TFVec builtin function. Still needs to be verified