Fixer bug.

git-svn-id: https://plugins.svn.wordpress.org/bg-biblie-references/trunk@808747 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed duplicating chapters

git-svn-id: https://plugins.svn.wordpress.org/bg-biblie-references/trunk@808751 b8457f37-d9ea-0310-8a92-e5e31aec5664