dev-haskell/snap-core: bump up to 0.9.6.3

Package-Manager: portage-2.2.10_p15
dev-haskell/mono-traversable: bump up to 0.6.0.2

Package-Manager: portage-2.2.10_p15
dev-haskell/failure: bump up to 0.2.0.3

Package-Manager: portage-2.2.10_p15