diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index b29eb47..54b5bf7 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -38,15 +38,15 @@
  */
 class CI_Encrypt {
 
-	public $encryption_key	= '';
-	protected $_hash_type	= 'sha1';
-	protected $_mcrypt_exists = FALSE;
+	public $encryption_key		= '';
+	protected $_hash_type		= 'sha1';
+	protected $_mcrypt_exists	= FALSE;
 	protected $_mcrypt_cipher;
 	protected $_mcrypt_mode;
 
 	public function __construct()
 	{
-		$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
+		$this->_mcrypt_exists = function_exists('mcrypt_encrypt');
 		log_message('debug', 'Encrypt Class Initialized');
 	}
 
@@ -349,8 +349,8 @@
 	 *
 	 * Function description
 	 *
-	 * @param	type
-	 * @return	type
+	 * @param	string
+	 * @return	string
 	 */
 	protected function _remove_cipher_noise($data, $key)
 	{
@@ -382,8 +382,8 @@
 	/**
 	 * Set the Mcrypt Cipher
 	 *
-	 * @param	constant
-	 * @return	string
+	 * @param	int
+	 * @return	object
 	 */
 	public function set_cipher($cipher)
 	{
@@ -396,8 +396,8 @@
 	/**
 	 * Set the Mcrypt Mode
 	 *
-	 * @param	constant
-	 * @return	string
+	 * @param	int
+	 * @return	object
 	 */
 	public function set_mode($mode)
 	{
@@ -410,7 +410,7 @@
 	/**
 	 * Get Mcrypt cipher Value
 	 *
-	 * @return	string
+	 * @return	int
 	 */
 	protected function _get_cipher()
 	{
@@ -427,7 +427,7 @@
 	/**
 	 * Get Mcrypt Mode Value
 	 *
-	 * @return	string
+	 * @return	int
 	 */
 	protected function _get_mode()
 	{
@@ -464,7 +464,8 @@
 	{
 		return ($this->_hash_type === 'sha1') ? sha1($str) : md5($str);
 	}
+
 }
 
 /* End of file Encrypt.php */
-/* Location: ./system/libraries/Encrypt.php */
+/* Location: ./system/libraries/Encrypt.php */
\ No newline at end of file
diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index 3a80c16..3515764 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -469,21 +469,21 @@
 	{
 		return $this->userdata;
 	}
-	
+
 	// --------------------------------------------------------------------------
-	
+
 	/**
 	 * Fetch all flashdata
-	 * 
+	 *
 	 * @return	array
 	 */
 	public function all_flashdata()
 	{
 		$out = array();
-		
+
 		// loop through all userdata
 		foreach ($this->all_userdata() as $key => $val)
-		{	
+		{
 			// if it contains flashdata, add it
 			if (strpos($key, 'flash:old:') !== FALSE)
 			{
@@ -816,4 +816,4 @@
 }
 
 /* End of file Session.php */
-/* Location: ./system/libraries/Session.php */
+/* Location: ./system/libraries/Session.php */
\ No newline at end of file
diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index 992b057..3777d29 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -251,7 +251,7 @@
 			}
 			elseif (is_array($table_data))
 			{
-				$set_heading = (count($this->heading) === 0 AND $this->auto_heading == FALSE) ? FALSE : TRUE;
+				$set_heading = (count($this->heading) !== 0 OR $this->auto_heading != FALSE);
 				$this->_set_from_array($table_data, $set_heading);
 			}
 		}