diff --git a/www/application/models/Backend_model.php b/www/application/models/Backend_model.php
index d1b18c5b..cfc19582 100644
--- a/www/application/models/Backend_model.php
+++ b/www/application/models/Backend_model.php
@@ -5,6 +5,7 @@ class Backend_model extends CI_Model {
     var $thisUser = 'oameye';
     var $USER = '';
     var $wrenchboard;
+    const DEBUG_API_CALLS = true;
 
     function __construct() {
 
@@ -19,7 +20,19 @@ class Backend_model extends CI_Model {
 
     public function wrenchboard_api($in, $out = array()) {
         $this->wrenchboard_load();
-        $ret = $this->wrenchboard->wrenchboard_api($in, $out);
+        if (!is_array($in)) {
+            $in = array();
+	}
+	if (!is_array($out)) {
+            $out = array();
+	}
+	if (self::DEBUG_API_CALLS) {
+            $stack = debug_backtrace();
+            $log = json_encode($stack);
+            error_log($log);
+	    error_log(json_encode($in));
+	}
+	$ret = $this->wrenchboard->wrenchboard_api($in, $out);
 
       //  var_dump($ret);
       //  echo "-----";
@@ -34,17 +47,60 @@ class Backend_model extends CI_Model {
         return $ret;
     }
 
-
+    public function logMessage($str) {
+        $this->wrenchboard_load();
+        if ($str == NULL || trim($str) == '') {
+            return NULL;
+	}
+	if (self::DEBUG_API_CALLS) {
+	    $stack = debug_backtrace();
+            $log = json_encode($stack);
+            error_log($log);
+	    error_log(json_encode($in));
+	}
+	$ret = $this->wrenchboard->logMessage($str);
+        return $ret;
+    }
+ 
     public function cfgReadChar($str) {
         $this->wrenchboard_load();
-        $ret = $this->wrenchboard->cfgReadChar($str);
+        if ($str == NULL || trim($str) == '') {
+            return NULL;
+	}
+	if (self::DEBUG_API_CALLS) {
+	    $stack = debug_backtrace();
+            $log = json_encode($stack);
+            error_log($log);
+	    error_log(json_encode($in));
+	}
+	$ret = $this->wrenchboard->cfgReadChar($str);
+        return $ret;
+    }
+ 
+    public function cfgReadLong($str) {
+        $this->wrenchboard_load();
+        if ($str == NULL || trim($str) == '') {
+            return 0;
+	}
+	if (self::DEBUG_API_CALLS) {
+	    $stack = debug_backtrace();
+            $log = json_encode($stack);
+            error_log($log);
+	    error_log(json_encode($in));
+	}
+	$ret = $this->wrenchboard->cfgReadLong($str);
         return $ret;
     }
 
     private function wrenchboard_load() {
+        global $wrenchboard;
         // $this->$USER = $_SERVER['SCRIPT_FILENAME'];
-        $wrenchboard_class = 'wrenchboard_api_' . $this->USER . '\\WrenchBoard';
-        if (!is_object($this->wrenchboard)) {
+	$wrenchboard_class = 'wrenchboard_api_' . $this->USER . '\\WrenchBoard';
+	/* if (is_object($wrenchboard) && is_object($wrenchboard->wrenchboard)) {
+            $this->wrenchboard = $wrenchboard->wrenchboard;
+	} else if (is_object($wrenchboard)) {
+            $this->wrenchboard = $wrenchboard;
+	} else */ if (!is_object($this->wrenchboard)) {
             $this->wrenchboard = new $wrenchboard_class();
         }
     }
diff --git a/www/backend.php b/www/backend.php
index a5bd42aa..d15e8249 100644
--- a/www/backend.php
+++ b/www/backend.php
@@ -1,12 +1,98 @@
 <?
+var_dump($GLOBALS);
 if (!array_key_exists('wrenchboard', $GLOBALS)) {
-	$USER = $_SERVER['SCRIPT_FILENAME'];
-	$USER = str_replace('/home', '', $USER);
-	$USER = strtok($USER, '/');
-	if ($USER=='opt') $USER = 'root';
-	// Load API class
-        $USER = 'oameye';
-	$wrenchboard_class = 'wrenchboard_api_' . $USER . '\\WrenchBoard';
-	$wrenchboard = new $wrenchboard_class();
+    class WrenchBoardAPIWrapper {
+        const DEBUG_API_CALLS = true;
+	public $wrenchboard;
+        public $USER = 'root';
+        public function __construct()
+        {
+            $USER = $_SERVER['SCRIPT_FILENAME'];
+            $USER = str_replace('/home', '', $USER);
+            $USER = strtok($USER, '/');
+            if ($USER=='opt') $USER = 'root';
+            // Load API class
+	    $USER = 'root';
+	    $this->USER = $USER;
+        }
+
+        public function wrenchboard_api($in, $out = array()) {
+            if (!is_array($in)) {
+                $in = array();
+            }
+            if (!is_array($out)) {
+                $out = array();
+	    }
+	    if (self::DEBUG_API_CALLS) {
+	        $stack = debug_backtrace();
+	        $log = json_encode($stack);
+	        error_log($log);
+	        error_log(json_encode($in));
+	    }
+	    $this->wrenchboard_load();
+            return $this->wrenchboard->wrenchboard_api($in, $out);
+        }
+
+        public function logMessage($in) {
+            if ($in == null || trim($in) == "") {
+                return null;
+	    }
+	    if (self::DEBUG_API_CALLS) {
+                $stack = debug_backtrace();
+	        $log = json_encode($stack);
+	        error_log($log);
+	        error_log($in);
+	    }
+	    $this->wrenchboard_load();
+            return $this->wrenchboard->logMessage($in);
+	}
+
+        public function cfgReadChar($in) {
+            if ($in == null || trim($in) == "") {
+                return null;
+	    }
+	    if (self::DEBUG_API_CALLS) {
+                $stack = debug_backtrace();
+	        $log = json_encode($stack);
+	        error_log($log);
+	        error_log($in);
+	    }
+	    $this->wrenchboard_load();
+            return $this->wrenchboard->cfgReadChar($in);
+	}
+
+        public function cfgReadLong($in) {
+            if ($in == null || trim($in) == "") {
+                return 0;
+	    }
+	    if (self::DEBUG_API_CALLS) {
+               $stack = debug_backtrace();
+	       $log = json_encode($stack);
+	       error_log($log);
+	       error_log($in);
+	    }
+	    $this->wrenchboard_load();
+            return $this->wrenchboard->cfgReadLong($in);
+	}
+
+        private function wrenchboard_load() {
+//            global $wrenchboard;
+            // $this->$USER = $_SERVER['SCRIPT_FILENAME'];
+	    $wrenchboard_class = 'wrenchboard_api_' . $this->USER . '\\WrenchBoard';
+            if (!is_object($this->wrenchboard)) {
+                $this->wrenchboard = new $wrenchboard_class();
+            }
+/*	    if (is_object($wrenchboard) && is_object($wrenchboard->wrenchboard)) {
+                $this->wrenchboard = $wrenchboard->wrenchboard;
+	    } else if (is_object($wrenchboard)) {
+                $this->wrenchboard = $wrenchboard;
+	    } else if (!is_object($this->wrenchboard)) {
+                $this->wrenchboard = new $wrenchboard_class();
+	    }
+*/
+        }
+    }
+    global $wrenchboard;
+    $wrenchboard = new WrenchBoardAPIWrapper();
 }
 ?>
diff --git a/www/wr_crons/backend.php b/www/wr_crons/backend.php
index 0ff1682f..ad44409a 100644
--- a/www/wr_crons/backend.php
+++ b/www/wr_crons/backend.php
@@ -22,20 +22,51 @@ class backend  {
 
     public function wrenchboard_api($in, $out = array()) {
         $this->wrenchboard_load();
-        $ret = $this->wrenchboard->wrenchboard_api($in, $out);
+        if (!is_array($in)) {
+            $in = array();
+	}
+	if (!is_array($out)) {
+            $out = array();
+	}
+	$ret = $this->wrenchboard->wrenchboard_api($in, $out);
         return $ret;
     }
 
+    public function logMessage($str) {
+	$this->wrenchboard_load();
+        if ($str == NULL || trim($str) == '') {
+            return NULL;
+	}
+        $ret = $this->wrenchboard->logMessage($str);
+	return $ret;
+    }
+
     public function cfgReadChar($str) {
-        $this->wrenchboard_load();
+	$this->wrenchboard_load();
+        if ($str == NULL || trim($str) == '') {
+            return NULL;
+	}
         $ret = $this->wrenchboard->cfgReadChar($str);
         return $ret;
     }
 
+    public function cfgReadLong($str) {
+	$this->wrenchboard_load();
+        if ($str == NULL || trim($str) == '') {
+            return 0;
+	}
+        $ret = $this->wrenchboard->cfgReadLong($str);
+        return $ret;
+    }
+
     private function wrenchboard_load() {
         // $this->$USER = $_SERVER['SCRIPT_FILENAME'];
         $wrenchboard_class = 'wrenchboard_api_' . $this->USER . '\\WrenchBoard';
-        if (!is_object($this->wrenchboard)) {
+	if (is_object($wrenchboard) && is_object($wrenchboard->wrenchboard)) {
+            $this->wrenchboard = $wrenchboard->wrenchboard;
+	} else if (is_object($wrenchboard)) {
+            $this->wrenchboard = $wrenchboard;
+	} else if (!is_object($this->wrenchboard)) {
             $this->wrenchboard = new $wrenchboard_class();
         }
     }