diff --git a/application/libraries/Aauth.php b/application/libraries/Aauth.php
index c893deb..0964335 100644
--- a/application/libraries/Aauth.php
+++ b/application/libraries/Aauth.php
@@ -397,7 +397,7 @@ class Aauth {
 					}
 				}
 			}else{
-				if(!$this->CI->session->has_userdata('remember')){
+				if(!isset($_SESSION['remember'])){
 					return FALSE;
 				}else{
 					$session = explode('-', $this->CI->session->userdata('remember'));
@@ -1472,13 +1472,20 @@ class Aauth {
 		$query = $this->aauth_db->get( $this->config_vars['perm_to_user'] );
 
 		if( $query->num_rows() > 0){
-			return TRUE;
-		} elseif ($this->is_group_allowed($perm_id)) {
-			return TRUE;
+		    return TRUE;
 		} else {
-			return FALSE;
-		}
-
+			if( $user_id===FALSE){
+				return $this->is_group_allowed($perm_id);
+			} else {
+				$g_allowed=FALSE;
+				foreach( $this->get_user_groups($user_id) as $group ){
+					if ( $this->is_group_allowed($perm_id, $group->id) ){
+						$g_allowed=TRUE;
+					}
+				}
+				return $g_allowed;
+			}
+	    }
 	}
 
 	/**
@@ -1707,7 +1714,7 @@ class Aauth {
 			'receiver_id' => $receiver_id,
 			'title' => $title,
 			'message' => $message,
-			'date' => date('Y-m-d H:i:s')
+			'date_sent' => date('Y-m-d H:i:s')
 		);
 
 		return $query = $this->aauth_db->insert( $this->config_vars['pms'], $data );
@@ -1789,7 +1796,7 @@ class Aauth {
 		}
 
 		$query = $this->aauth_db->where('receiver_id', $receiver_id);
-		$query = $this->aauth_db->where('read', 0);
+		$query = $this->aauth_db->where('date_read', NULL);
 		$query = $this->aauth_db->get( $this->config_vars['pms'] );
 
 		return $query->num_rows();
@@ -1804,7 +1811,7 @@ class Aauth {
 	public function set_as_read_pm($pm_id){
 
 		$data = array(
-			'read' => 1,
+			'date_read' => date('Y-m-d H:i:s')
 		);
 
 		$this->aauth_db->update( $this->config_vars['pms'], $data, "id = $pm_id");
diff --git a/sql/Aauth_v2.sql b/sql/Aauth_v2.sql
index 86f9520..1a84a64 100644
--- a/sql/Aauth_v2.sql
+++ b/sql/Aauth_v2.sql
@@ -75,8 +75,8 @@ CREATE TABLE `aauth_pms` (
   `receiver_id` int(11) unsigned NOT NULL,
   `title` varchar(255) NOT NULL,
   `message` text,
-  `date` datetime DEFAULT NULL,
-  `read` tinyint(1) DEFAULT '0',
+  `date_sent` datetime DEFAULT NULL,
+  `date_read` datetime DEFAULT NULL,
   PRIMARY KEY (`id`),
   KEY `full_index` (`id`,`sender_id`,`receiver_id`,`read`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -126,7 +126,7 @@ CREATE TABLE `aauth_users` (
 -- ----------------------------
 -- Records of aauth_users
 -- ----------------------------
-INSERT INTO `aauth_users` VALUES ('1', 'admin@example.com', 'dd5073c93fb477a167fd69072e95455834acd93df8fed41a2c468c45b394bfe3', 'Admin', '0', null, null, null, null, null, null, null, null, '0');
+INSERT INTO `aauth_users` VALUES ('1', 'admin@example.com', 'dd5073c93fb477a167fd69072e95455834acd93df8fed41a2c468c45b394bfe3', 'Admin', '0', null, null, null, null, null, null, null, null, null, '0');
 
 -- ----------------------------
 -- Table structure for `aauth_user_to_group`