Alex Crichton eb73e05b7a Deserialize less to match schema versions
Currently the entire `Program` is deserialized to match schema versions but this
is likely to fail when the schema changes. Instead just deserialize the
schema/version fields, compare those, and if successful go ahead and deserialize
everything.
2018-04-19 13:36:59 -07:00
..
2018-04-18 07:18:11 -07:00