Update p5-Algorithm-CheckDigits to 1.2.1.

Changes from previous:
----------------------
1.2.1 Sun Mar  3 22:51:45 CET 2013
	- changed list items in POD from 0, 1, ... to S<0>, S<1>, ...
	  according to a thread on the perl5 porters list
	  (www.nntp.perl.org/group/perl.perl5.porters/2013/02/msg199355.html)

	  David Wheeler: "Lists must start with 1. When it saw the 0, it
	  assumed it was a definition list, so the numbers after that
	  don't look right."

1.2.0 Fr 8. Jun 11:19:25 CEST 2012
	- reworked Algorithm::CheckDigits::MXX_001.pm, added ABA routing
	  numbers

1.1.2 Fr 8. Jun 09:22:35 CEST 2012
	- added '=encoding iso-8859-1' to M11_004.pm, M11_006.pm,
	  MBase_002.pm, MXX_003.pm, MXX_006.pm. This should prevent
	  failures in the processing of the POD that contain non-ASCII
	  characters.
	- corrected search and replacement lists in M10_011.pm
Update p5-CPAN-Perl-Releases to 1.08.

Changes from previous:
-----------------------------------------
version 1.08 at 2013-03-21 23:20:26 +0000
-----------------------------------------

  Change: 070587601caecdee482bb74578f07e965d374aa1
  Author: Chris 'BinGOs' Williams <chris@bingosnet.co.uk>
  Date : 2013-03-21 23:20:26 +0000

    Updated for v5.17.10

-----------------------------------------
version 1.06 at 2013-03-11 19:18:32 +0000
-----------------------------------------

  Change: 02bd152720c5d97bfdfced818fd084f185bc9b8b
  Author: Chris 'BinGOs' Williams <chris@bingosnet.co.uk>
  Date : 2013-03-11 19:18:32 +0000

    Updated for v5.16.3

-----------------------------------------
version 1.04 at 2013-03-11 00:38:43 +0000
-----------------------------------------

  Change: c7eee037f0bf0ea574970f361b4cc856367d1af6
  Author: Chris 'BinGOs' Williams <chris@bingosnet.co.uk>
  Date : 2013-03-11 00:38:43 +0000

    Updated for v5.14.4
Updated devel/p5-Algorithm-CheckDigits and devel/p5-CPAN-Perl-Releases.