Sync RMU: change to giving start date and then playing all updates to present; load misc updates at once
Sync: check subject exists before inserting subject attr
Sync: add test to skip sub attr update if subject does not exist;
Sync: subject attr failure result is FAIL; skipping return value is undef; updated tests
Sync: misc update skip return value is undef
Sync RMU: report updates and indels separately
Sync RMU: use entities defined in test for multi misc update
Sync RMU: change var names in __errors__ method
Sync RMU: validate start is before stop
Sync: sub attr success result is PASS
Sync RMU: fix some typos
Sync: fix tests expecting misc update skips to succeed b/c they now fail
Sync: mv synchronize command into syncrhonize dir
Sync: add synchronize command tree