Change to wpool_queue_manager:proc_info/1,2 and new options
Add queue and worker age to reported stats
Add age in seconds to pool stats
Initial add of erlang:trace of send / receive messages
Turn off tracing automatically after 5 seconds by default
Add a tracer_pid to summarize execution times in the error.log
Use wpool_queue_manager:trace(Pool_Name) for 5 seconds of tracing
Merge pull request #17 from jaynel/pool-admin

Add more worker monitoring tools