Changes for version 0.16
- default process_name_change in WithLatestStandby to off.
- use constant memory instead of scaling to max_procs during execution in IPC::ConcurrencyLimit::Flock.
Lock-based limits on cooperative multi-processing
Simple base class for lock implementations
flock() based locking
IPC::ConcurrencyLimit with latest started working as standby
IPC::ConcurrencyLimit with an additional standby lock