Update to 1.830
    
    - New upstream release 1.830
      Bug Fixes
      - Fixed MCE and MCE::Relay stalling when setting the input record separator
        (see http://www.perlmonks.org/?node_id=1196701)
      - Fixed bug with dequeue_nb in MCE::Queue (GH#8)
      - Fixed signal handler (GH#9)
      Enhancements
      - Added Coro and Win32::GUI to list for enabling posix_exit
      - Added support for Haiku to get_ncpu in MCE::Util
      - Allow gathering to a shared array in MCE::Candy
      - Improved CPU count on the AIX platform in MCE::Util
      - Improved signal handling, including nested parallel-sessions
      - Improved running MCE::Hobo inside MCE workers
      - Improved running MCE with PDL
      - Refactored logic for MCE->do, bi-directional callback feature
      - Preserve lexical type for numbers during IPC: MCE->do and MCE::Queue
      - No longer loads threads on the Windows platform in MCE::Signal; this
        enables MCE::Hobo 1.827 to spin faster, including lesser memory
        consumption (threads isn't required to run MCE::Hobo)
      - Removed extra white-space from POD documentation
      - Validated MCE on SmartOS
    - Rebase Sereal-deps patch