Fixed a comment that was removed.
Removed some RSIs.
Split up serialize implementation shared by ARCHIVE_PRIM_MAKE_RANGED_SERIALIZABLE and ARCHIVE_PRIM_MAKE_RAW_SERIALIZABLE.
Added serialize_raw, deserialize_raw, for unversioned serialization of primitive types.
Fixed some cluster_version/no-version inconsistency in mailbox.cc.
Replaced ONLY_VERSION uint8_t calls with *_universal serialization calls.
Replaced ONLY_VERSION with *_universal serialization cals in directory code.
More application of *_universal in deserialize_compatible_string and relevant serialization code.
Added some appropriate braces in cluster.cc.