Merge pull request #18 from caffeineinc/caffeineinc-fix-includeSiteTr…

…eeVersions

includeSiteTreeVersions requires array to merge

code/WhitelistGenerator.php

@@ -41,6 +41,7 @@ public static function generateWhitelistRules(){
 
 				} elseif ($rule === '$URLSegment') {
 					$topLevelPagesArray = array();  //temporary array to store top-level pages
+					$oldTopLevelPagesArray = array();
 
 					//special case for SiteTree, add all possible top Level Pages
 					$topLevelPages = SiteTree::get()->filter('ParentID', 0);