Fixed edge case in MCE::Hobo when reaping inside a signal handler.
Guard cleanup code in MCE::Shared::Server during global destruction.
Configured extra data channel used for reaping Hobos and exporting.
Optimized reaping in MCE::Hobo when void_context is set.
Added list_pids class method to MCE::Hobo.
Added pid class method to MCE::Shared.
Bumped MCE dependency to 1.849.