Cabal revisions of list-t-1.0.1

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

   list-t version:   1.0.1+x-revision:+  1 synopsis:   ListT done right description:     mtl == 2.*,     transformers-base == 0.4.*,     transformers >= 0.3 && < 0.6,-    base < 5+    base >= 4.7 && < 5   if !impl(ghc >= 8.0)     build-depends:       semigroups >= 0.11 && < 0.19