Support SUBMIT_JOB_EPOCH
Fixed where data comes from in SubmitJob
Increase debug message from RedisQueue on insert.
Support sleeping workers
Add support for GET_STATUS messages in PacketFactory
Better handling of parsing numbers in WorkStatus
Completing definition of GetStatus
Implementing method for generating byte array in StatusRes and a constructor for providing values to the object.
Added StatusRes packet generation to Job
Changed JobHandleFactory to dole out UUIDs instead of monotonically incrementing job handle
Adding snapshots, servlet to view snapshot data, command-line options for persistence engine
Minor format change to client's error output
Cleaned up sending WorkResponse packets to clients and better handling of getting next job for a worker.
Adding WORK_STATUS and GET_STATUS packet handling to PacketHandler
PostgreSQL queue support
Version bump, dependencies for PostgreSQL and CLI options