Version 1.4

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@868980 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.4.1 -- remove debug code form email function

git-svn-id: https://plugins.svn.wordpress.org/pta-volunteer-sign-up-sheets/trunk@868983 b8457f37-d9ea-0310-8a92-e5e31aec5664