Fix date in Changes file
Mortalise destringifed arrayref before sv_setsv()

sv_setsv copies the reference, so we need to make sure the original one
gets freed and we don't leak the array
Merge branch 'master' of git://github.com/pdl/dbdpg
Merge branch 'mortalise-arrayref' of git://github.com/ilmari/dbdpg