Log Message:
Update to 2.51:

2010-09-30   Gisle Aas <gisle@ActiveState.com>

   Release 2.51

   Florian Ragwitz (1):
      Fix compilation with c++ compilers

   Gisle Aas (1):
      Fix repository specification in META.yml

2010-09-25   Gisle Aas <gisle@ActiveState.com>

   Release 2.50

   Chris 'BinGOs' Williams (1):
      Amended tests to work with perl core.

   Florian Ragwitz (3):
      Attach context pointers using sv magic
      Add failing test for thread cloning
      Clone MD5 contexts on thread cloning
      get_md5_ctx should never return anything but a valid pointer

   Gisle Aas (1):
      perl-5.6 no longer supported

   Jesse Vincent (1):
      Preserve utf8ness of argument [RT#44927]