Support changes in container and object metadata.

[pithos-macos] / pithos-apple-common

diff --git a/pithos-apple-common b/pithos-apple-common
index 097cb83..2f816d2 160000 (submodule)
--- a/pithos-apple-common
+++ b/pithos-apple-common
@@ -1 +1 @@
-Subproject commit 097cb8319ef7a831c06f6154df3c63b043382ff2
+Subproject commit 2f816d2a00400b8a2ccd2447872769fb72cc1a89