bump dep versions

Author: ashnazg

package2.xml

@@ -415,7 +415,7 @@
     <name>Archive_Tar</name>
     <channel>pear.php.net</channel>
     <min>1.4.0</min>
-    <recommended>1.4.3</recommended>
+    <recommended>1.4.4</recommended>
    </package>
    <package>
     <name>Structures_Graph</name>
@@ -433,7 +433,7 @@
     <name>XML_Util</name>
     <channel>pear.php.net</channel>
     <min>1.3.0</min>
-    <recommended>1.4.2</recommended>
+    <recommended>1.4.3</recommended>
    </package>
    <package>
     <name>PEAR_Frontend_Web</name>