content element CEimage changed default alignment to be left

app/modules/ceimage.php

         }
 
         // image positioning
-        if( in_array($request[2],array('left','right','full','auto'))) {
-            $class = $request[2];
+        if (count($request) >= 3) {
+            if( in_array($request[2],array('left','right','full','auto'))) {
+                $class = $request[2];
+            } else {
+                $class = 'left';
+            }
         } else {
-            $class = 'full';
+            $class = 'left';
         }
         if (isset($request[3])) {
             $width=self::is_width($request[3]) ? $request[3] : null;