adding 4.6.6 and 4.5.8 releases

CHANGELOG.txt

@@ -60,6 +60,10 @@ Drupal x.x.x, xxxx-xx-xx (development version)
 - queue module:
     * removed from core.
 
+Drupal 4.6.6, 2006-03-13
+------------------------
+- fixed bugs, including 4 security vulnerabilities.
+
 Drupal 4.6.5, 2005-12-12
 ------------------------
 - fixed bugs: no critical bugs were identified.
@@ -124,6 +128,10 @@ Drupal 4.6.0, 2005-04-15
 - documentation:
     * improved and extended PHPDoc/Doxygen comments.
 
+Drupal 4.5.8, 2006-03-13
+------------------------
+- fixed bugs, including 3 security vulnerabilities.
+
 Drupal 4.5.7, 2005-12-12
 ------------------------
 - fixed bugs: no critical bugs were identified.