diff --git a/lib/SimpleSAML/Error/Exception.php b/lib/SimpleSAML/Error/Exception.php
index b3e69ad7e7cb6d7889184dd37b923f5a98b494e1..2872b335a9a98c0ce7e046d344aa45e4247c9a04 100644
--- a/lib/SimpleSAML/Error/Exception.php
+++ b/lib/SimpleSAML/Error/Exception.php
@@ -1,5 +1,6 @@
 <?php
 
+
 /**
  * Base class for SimpleSAMLphp Exceptions
  *
@@ -8,237 +9,250 @@
  * @author Thomas Graff <thomas.graff@uninett.no>
  * @package SimpleSAMLphp
  */
-class SimpleSAML_Error_Exception extends Exception {
-
-	/**
-	 * The backtrace for this exception.
-	 *
-	 * We need to save the backtrace, since we cannot rely on
-	 * serializing the Exception::trace-variable.
-	 *
-	 * @var string
-	 */
-	private $backtrace;
-
-
-	/**
-	 * The cause of this exception.
-	 *
-	 * @var SimpleSAML_Error_Exception
-	 */
-	private $cause;
-
-
-	/**
-	 * Constructor for this error.
-	 *
-	 * Note that the cause will be converted to a SimpleSAML_Error_UnserializableException unless it is a subclass of
-	 * SimpleSAML_Error_Exception.
-	 *
-	 * @param string $message Exception message
-	 * @param int $code Error code
-	 * @param Exception|null $cause The cause of this exception.
-	 */
-	public function __construct($message, $code = 0, Exception $cause = NULL) {
-		assert('is_string($message)');
-		assert('is_int($code)');
-
-		parent::__construct($message, $code);
-
-		$this->initBacktrace($this);
-
-		if ($cause !== NULL) {
-			$this->cause = SimpleSAML_Error_Exception::fromException($cause);
-		}
-	}
-
-
-	/**
-	 * Convert any exception into a SimpleSAML_Error_Exception.
-	 *
-	 * @param Exception $e The exception.
-	 * @return SimpleSAML_Error_Exception The new exception.
-	 */
-	public static function fromException(Exception $e) {
-
-		if ($e instanceof SimpleSAML_Error_Exception) {
-			return $e;
-		}
-		return new SimpleSAML_Error_UnserializableException($e);
-	}
-
-
-	/**
-	 * Load the backtrace from the given exception.
-	 *
-	 * @param Exception $exception The exception we should fetch the backtrace from.
-	 */
-	protected function initBacktrace(Exception $exception) {
-
-		$this->backtrace = array();
-
-		/* Position in the top function on the stack. */
-		$pos = $exception->getFile() . ':' . $exception->getLine();
-
-		foreach($exception->getTrace() as $t) {
-
-			$function = $t['function'];
-			if(array_key_exists('class', $t)) {
-				$function = $t['class'] . '::' . $function;
-			}
-
-			$this->backtrace[] = $pos . ' (' . $function . ')';
-
-			if(array_key_exists('file', $t)) {
-				$pos = $t['file'] . ':' . $t['line'];
-			} else {
-				$pos = '[builtin]';
-			}
-		}
-
-		$this->backtrace[] = $pos . ' (N/A)';
-	}
-
-
-	/**
-	 * Retrieve the backtrace.
-	 *
-	 * @return array An array where each function call is a single item.
-	 */
-	public function getBacktrace() {
-		return $this->backtrace;
-	}
-
-
-	/**
-	 * Retrieve the cause of this exception.
-	 *
-	 * @return SimpleSAML_Error_Exception|null The cause of this exception.
-	 */
-	public function getCause() {
-		return $this->cause;
-	}
-
-
-	/**
-	 * Retrieve the class of this exception.
-	 *
-	 * @return string The name of the class.
-	 */
-	public function getClass() {
-		return get_class($this);
-	}
-
-
-	/**
-	 * Format this exception for logging.
-	 *
-	 * Create an array of lines for logging.
-	 *
-	 * @return array Log lines that should be written out.
-	 */
-	public function format() {
-
-		$ret = array();
-
-		$e = $this;
-		do {
-			$err = $e->getClass() . ': ' . $e->getMessage();
-			if ($e === $this) {
-				$ret[] = $err;
-			} else {
-				$ret[] = 'Caused by: ' . $err;
-			}
-
-			$ret[] = 'Backtrace:';
-
-			$depth = count($e->backtrace);
-			foreach ($e->backtrace as $i => $trace) {
-				$ret[] = ($depth - $i - 1) . ' ' . $trace;
-			}
-
-			$e = $e->cause;
-		} while ($e !== NULL);
-
-		return $ret;
-	}
-
-
-	/**
-	 * Print the exception to the log with log level error.
-	 *
-	 * This function will write this exception to the log, including a full backtrace.
-	 */
-	public function logError() {
-
-		$lines = $this->format();
-		foreach ($lines as $line) {
-			SimpleSAML_Logger::error($line);
-		}
-	}
-
-
-	/**
-	 * Print the exception to the log with log level warning.
-	 *
-	 * This function will write this exception to the log, including a full backtrace.
-	 */
-	public function logWarning() {
-
-		$lines = $this->format();
-		foreach ($lines as $line) {
-			SimpleSAML_Logger::warning($line);
-		}
-	}
-
-
-	/**
-	 * Print the exception to the log with log level info.
-	 *
-	 * This function will write this exception to the log, including a full backtrace.
-	 */
-	public function logInfo() {
-
-		$lines = $this->format();
-		foreach ($lines as $line) {
-			SimpleSAML_Logger::debug($line);
-		}
-	}
-
-
-	/**
-	 * Print the exception to the log with log level debug.
-	 *
-	 * This function will write this exception to the log, including a full backtrace.
-	 */
-	public function logDebug() {
-
-		$lines = $this->format();
-		foreach ($lines as $line) {
-			SimpleSAML_Logger::debug($line);
-		}
-	}
-
-
-	/**
-	 * Function for serialization.
-	 *
-	 * This function builds a list of all variables which should be serialized. It will serialize all variables except
-	 * the Exception::trace variable.
-	 *
-	 * @return array Array with the variables that should be serialized.
-	 */
-	public function __sleep() {
-
-		$ret = array_keys((array)$this);
-
-		foreach ($ret as $i => $e) {
-			if ($e === "\0Exception\0trace") {
-				unset($ret[$i]);
-			}
-		}
-
-		return $ret;
-	}
-
+class SimpleSAML_Error_Exception extends Exception
+{
+
+    /**
+     * The backtrace for this exception.
+     *
+     * We need to save the backtrace, since we cannot rely on
+     * serializing the Exception::trace-variable.
+     *
+     * @var array
+     */
+    private $backtrace;
+
+
+    /**
+     * The cause of this exception.
+     *
+     * @var SimpleSAML_Error_Exception
+     */
+    private $cause;
+
+
+    /**
+     * Constructor for this error.
+     *
+     * Note that the cause will be converted to a SimpleSAML_Error_UnserializableException unless it is a subclass of
+     * SimpleSAML_Error_Exception.
+     *
+     * @param string         $message Exception message
+     * @param int            $code Error code
+     * @param Exception|null $cause The cause of this exception.
+     */
+    public function __construct($message, $code = 0, Exception $cause = null)
+    {
+        assert('is_string($message)');
+        assert('is_int($code)');
+
+        parent::__construct($message, $code);
+
+        $this->initBacktrace($this);
+
+        if ($cause !== null) {
+            $this->cause = SimpleSAML_Error_Exception::fromException($cause);
+        }
+    }
+
+
+    /**
+     * Convert any exception into a SimpleSAML_Error_Exception.
+     *
+     * @param Exception $e The exception.
+     *
+     * @return SimpleSAML_Error_Exception The new exception.
+     */
+    public static function fromException(Exception $e)
+    {
+
+        if ($e instanceof SimpleSAML_Error_Exception) {
+            return $e;
+        }
+        return new SimpleSAML_Error_UnserializableException($e);
+    }
+
+
+    /**
+     * Load the backtrace from the given exception.
+     *
+     * @param Exception $exception The exception we should fetch the backtrace from.
+     */
+    protected function initBacktrace(Exception $exception)
+    {
+
+        $this->backtrace = array();
+
+        // position in the top function on the stack
+        $pos = $exception->getFile().':'.$exception->getLine();
+
+        foreach ($exception->getTrace() as $t) {
+
+            $function = $t['function'];
+            if (array_key_exists('class', $t)) {
+                $function = $t['class'].'::'.$function;
+            }
+
+            $this->backtrace[] = $pos.' ('.$function.')';
+
+            if (array_key_exists('file', $t)) {
+                $pos = $t['file'].':'.$t['line'];
+            } else {
+                $pos = '[builtin]';
+            }
+        }
+
+        $this->backtrace[] = $pos.' (N/A)';
+    }
+
+
+    /**
+     * Retrieve the backtrace.
+     *
+     * @return array An array where each function call is a single item.
+     */
+    public function getBacktrace()
+    {
+        return $this->backtrace;
+    }
+
+
+    /**
+     * Retrieve the cause of this exception.
+     *
+     * @return SimpleSAML_Error_Exception|null The cause of this exception.
+     */
+    public function getCause()
+    {
+        return $this->cause;
+    }
+
+
+    /**
+     * Retrieve the class of this exception.
+     *
+     * @return string The name of the class.
+     */
+    public function getClass()
+    {
+        return get_class($this);
+    }
+
+
+    /**
+     * Format this exception for logging.
+     *
+     * Create an array of lines for logging.
+     *
+     * @return array Log lines that should be written out.
+     */
+    public function format()
+    {
+
+        $ret = array();
+
+        $e = $this;
+        do {
+            $err = $e->getClass().': '.$e->getMessage();
+            if ($e === $this) {
+                $ret[] = $err;
+            } else {
+                $ret[] = 'Caused by: '.$err;
+            }
+
+            $ret[] = 'Backtrace:';
+
+            $depth = count($e->backtrace);
+            foreach ($e->backtrace as $i => $trace) {
+                $ret[] = ($depth - $i - 1).' '.$trace;
+            }
+
+            $e = $e->cause;
+        } while ($e !== null);
+
+        return $ret;
+    }
+
+
+    /**
+     * Print the exception to the log with log level error.
+     *
+     * This function will write this exception to the log, including a full backtrace.
+     */
+    public function logError()
+    {
+
+        $lines = $this->format();
+        foreach ($lines as $line) {
+            SimpleSAML_Logger::error($line);
+        }
+    }
+
+
+    /**
+     * Print the exception to the log with log level warning.
+     *
+     * This function will write this exception to the log, including a full backtrace.
+     */
+    public function logWarning()
+    {
+
+        $lines = $this->format();
+        foreach ($lines as $line) {
+            SimpleSAML_Logger::warning($line);
+        }
+    }
+
+
+    /**
+     * Print the exception to the log with log level info.
+     *
+     * This function will write this exception to the log, including a full backtrace.
+     */
+    public function logInfo()
+    {
+
+        $lines = $this->format();
+        foreach ($lines as $line) {
+            SimpleSAML_Logger::debug($line);
+        }
+    }
+
+
+    /**
+     * Print the exception to the log with log level debug.
+     *
+     * This function will write this exception to the log, including a full backtrace.
+     */
+    public function logDebug()
+    {
+
+        $lines = $this->format();
+        foreach ($lines as $line) {
+            SimpleSAML_Logger::debug($line);
+        }
+    }
+
+
+    /**
+     * Function for serialization.
+     *
+     * This function builds a list of all variables which should be serialized. It will serialize all variables except
+     * the Exception::trace variable.
+     *
+     * @return array Array with the variables that should be serialized.
+     */
+    public function __sleep()
+    {
+
+        $ret = array_keys((array) $this);
+
+        foreach ($ret as $i => $e) {
+            if ($e === "\0Exception\0trace") {
+                unset($ret[$i]);
+            }
+        }
+
+        return $ret;
+    }
 }