Cabal revisions of hamlet-0.8.0

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

 name:            hamlet version:         0.8.0+x-revision: 1 license:         BSD3 license-file:    LICENSE author:          Michael Snoyman <michael@snoyman.com> flag test   description: Build the executable to run unit tests   default: False+  manual: True  library     if flag(test)