Cabal revisions of hasql-1.2

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

   hasql version:   1.2+x-revision: 1 category:   Hasql, Database, PostgreSQL synopsis:     contravariant-extras == 0.3.*,     contravariant >= 1.3 && < 2,     mtl >= 2 && < 3,-    transformers >= 0.3 && < 0.6,+    transformers >= 0.4.0.0 && < 0.6,     -- errors:     loch-th == 0.2.*,     placeholders == 0.1.*,