Version 1.3

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@861298 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.3.1 fix for reminder emails cron function

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@862530 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.3.3 bug fixes

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@863379 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.3.4 minor tweak for admin permissions

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@863853 b8457f37-d9ea-0310-8a92-e5e31aec5664