Child pages' shortcodes now render

git-svn-id: https://plugins.svn.wordpress.org/subpages-expand/trunk@635584 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version number fixed

git-svn-id: https://plugins.svn.wordpress.org/subpages-expand/trunk@635587 b8457f37-d9ea-0310-8a92-e5e31aec5664
Resolve git merge conflicts

git-svn-id: https://plugins.svn.wordpress.org/subpages-expand/trunk@635589 b8457f37-d9ea-0310-8a92-e5e31aec5664
Bugfix for 'Undefined variable: content' notice
Merge branch 'master' of github.com:BryanH/Wordpress_subpage-expand

Conflicts:
	readme.txt
	subpages_expand.php

Fixed "Undefined variable: content" bug; cleaned up code