Only expire tickets which are on this shard. `THIS_SHARD` application is a no-op when unsharded.
Add `meta.args` for command line argument access. Add command line argument support for shard number. Add shard count to config file. Add `meta.sharding` exposing shard properties. Add shard number to logging methods. Add shard number to data appid.
SHARDID
Add `LEQ` condition type. Ensure that batch updates don't fire with nothing to update. Add `cast_row` to `update_many` for handling typed `NULL`s.
Redesigned data and core systems to be public-capable.
