Add devel/hs-extensible-exceptions
devel/hs-MonadCatchIO-transformers: Add extensible-exceptions
www/hs-cgi: Add extensible-exceptions
x11-toolkits/hs-wxdirect: Allow to build with GHC 7.6
devel/hs-hashed-storage: Add extensible-exceptions
devel/hs-parallel-io: Add extensible-exceptions
x11-wm/hs-xmonad: Add extensible-exceptions
www/hs-happstack-server: Add extensible-exceptions
devel/hs-haddock: 2.11.0 --> 2.13.1
textproc/hs-hexpat: Add extensible-exceptions
devel/hs-test-framework: Add extensible-exceptions
ports-mgmt/hs-porte: Add extensible-exceptions
devel/hs-git-annex: Add extensible-exceptions
devel/hs-timezone-olson: Add extensible-exceptions
Remove devel/hs-strict-concurrency