Updated release notes for gh-177 and gh-178
Updated release notes for gh-177 and gh-178

tp199911/PyTables,avalentino/PyTables,mohamed-ali/PyTables,rdhyee/PyTables,jack-pappas/PyTables,jennolsen84/PyTables,FrancescAlted/PyTables,avalentino/PyTables,jack-pappas/PyTables,rabernat/PyTables,rdhyee/PyTables,rabernat/PyTables,dotsdl/PyTables,tp199911/PyTables,gdementen/PyTables,joonro/PyTables,dotsdl/PyTables,cpcloud/PyTables,jennolsen84/PyTables,andreabedini/PyTables,andreabedini/PyTables,FrancescAlted/PyTables,dotsdl/PyTables,rabernat/PyTables,tp199911/PyTables,PyTables/PyTables,jack-pappas/PyTables,joonro/PyTables,andreabedini/PyTables,gdementen/PyTables,mohamed-ali/PyTables,jennolsen84/PyTables,joonro/PyTables,mohamed-ali/PyTables,cpcloud/PyTables,FrancescAlted/PyTables,gdementen/PyTables,rdhyee/PyTables,mohamed-ali/PyTables,gdementen/PyTables,andreabedini/PyTables,jack-pappas/PyTables,joonro/PyTables,dotsdl/PyTables,rdhyee/PyTables,jack-pappas/PyTables,PyTables/PyTables,rabernat/PyTables,cpcloud/PyTables,avalentino/PyTables,jennolsen84/PyTables,tp199911/PyTables,PyTables/PyTables,cpcloud/PyTables