dev-haskell/wai-extra: bump up to 2.0.2

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/warp: bump up to 2.0.2

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
dev-haskell/httpd-shed: bump up to 0.4.0.1

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