add consumer repository tests (failing)
add object storage for pthreads skeleton
implement stackable object storage
add equality operators for processing sequence barrier
update consumer repo to use threaded object storage and stackables
add equals operator to sleepingeventhandler (testasset)
update consumer repo tests
add uuid stackable
sleepingeventhandler extends uuid_stackable
fix uuid stackable
add trait todo note in atomic stackable
processing sequence barrier extends uuid stackable