dev-haskell/ghc-mtl: bump up to 1.1.0.0

Package-Manager: portage-2.2.8_p62
dev-haskell/hint: bump up to 0.4.0.0

Package-Manager: portage-2.2.8_p62
x11-misc/xmonad-extras: allow hint-0.4

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>