BUGFIX: incorrect OOBGC algorithm, not dynamically adjusting
update hiredis to ruby master compat version

also fixes hiredis bugs
BUGFIX: raise message bus messages after data is committed
fix bust spec
Revert "BUGFIX: raise message bus messages after data is committed"

This reverts commit d2926424d65dbf21fae1814eb67a7f2db9294f5b.