Update release notes for gh-156
Update release notes for gh-156

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