Log Message:
p5-Calendar-Simple: update to 1.23.

2018-02-22  Dave Cross <dave@dave.org.uk>

	* lib/Calendar/Simple.pm: Bump version for another release. Thanks
	  Mohammed Anwar

2018-02-22  Mohammad S Anwar <mohammad.anwar@yahoo.com>

	* Build.PL, MANIFEST, README.xml: - Removed +x bit from Build.PL as
	  reported by CPANTS.

2018-02-22  Dave Cross <dave@dave.org.uk>

	* lib/Calendar/Simple.pm: Bump version to a number that that's not
	  already on CPAN :-/
	* Build.PL: Remove signing.
	* lib/Calendar/Simple.pm: Bump version for release.
	* lib/Calendar/Simple.pm: Change the arguments passed to timelocal()
	  Following advice in the documentation:  "Whenever possible, use an
	  absolute four digit year instead."