diff --git a/lib/pico.php b/lib/pico.php
index d8215f2..4e20f04 100644
--- a/lib/pico.php
+++ b/lib/pico.php
@@ -251,7 +251,7 @@ class Pico
                 'url' => $url,
                 'date_formatted' => isset($page_meta['date']) ? date($config['date_format'], strtotime($page_meta['date'])) : null,
                 'content' => $page_content,
-                'excerpt' => $this->limit_words(strip_tags($page_content), $excerpt_length),
+                'excerpt' => isset($page_meta['excerpt']) ? $page_meta['excerpt'] : $this->limit_words(strip_tags($page_content), $excerpt_length),
                 'last_modified' => new DateTime('@' . filemtime($page))
             );
             $data = array_merge($data, $extras);
diff --git a/vendor/autoload.php b/vendor/autoload.php
index 2140d4d..c17dcad 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -1,7 +1,7 @@
 <?php
 
-// autoload.php generated by Composer
+// autoload.php @generated by Composer
 
 require_once __DIR__ . '/composer' . '/autoload_real.php';
 
-return ComposerAutoloaderInitd3f3ddfcd389e44ff4d537046ed744e9::getLoader();
+return ComposerAutoloaderInit85cada45d374b066060648da37bbf294::getLoader();
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index bcf9809..1db8d9a 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -49,7 +49,7 @@ class ClassLoader
 
     public function getPrefixes()
     {
-        return $this->prefixes;
+        return call_user_func_array('array_merge', $this->prefixes);
     }
 
     public function getFallbackDirs()
@@ -98,19 +98,21 @@ class ClassLoader
 
             return;
         }
-        if (!isset($this->prefixes[$prefix])) {
-            $this->prefixes[$prefix] = (array) $paths;
+
+        $first = $prefix[0];
+        if (!isset($this->prefixes[$first][$prefix])) {
+            $this->prefixes[$first][$prefix] = (array) $paths;
 
             return;
         }
         if ($prepend) {
-            $this->prefixes[$prefix] = array_merge(
+            $this->prefixes[$first][$prefix] = array_merge(
                 (array) $paths,
-                $this->prefixes[$prefix]
+                $this->prefixes[$first][$prefix]
             );
         } else {
-            $this->prefixes[$prefix] = array_merge(
-                $this->prefixes[$prefix],
+            $this->prefixes[$first][$prefix] = array_merge(
+                $this->prefixes[$first][$prefix],
                 (array) $paths
             );
         }
@@ -119,8 +121,8 @@ class ClassLoader
     /**
      * Registers a set of classes, replacing any others previously set.
      *
-     * @param string       $prefix  The classes prefix
-     * @param array|string $paths   The location(s) of the classes
+     * @param string       $prefix The classes prefix
+     * @param array|string $paths  The location(s) of the classes
      */
     public function set($prefix, $paths)
     {
@@ -129,7 +131,7 @@ class ClassLoader
 
             return;
         }
-        $this->prefixes[$prefix] = (array) $paths;
+        $this->prefixes[substr($prefix, 0, 1)][$prefix] = (array) $paths;
     }
 
     /**
@@ -195,6 +197,7 @@ class ClassLoader
      */
     public function findFile($class)
     {
+        // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
         if ('\\' == $class[0]) {
             $class = substr($class, 1);
         }
@@ -205,7 +208,7 @@ class ClassLoader
 
         if (false !== $pos = strrpos($class, '\\')) {
             // namespaced class name
-            $classPath = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, 0, $pos)) . DIRECTORY_SEPARATOR;
+            $classPath = strtr(substr($class, 0, $pos), '\\', DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
             $className = substr($class, $pos + 1);
         } else {
             // PEAR-like class name
@@ -213,13 +216,16 @@ class ClassLoader
             $className = $class;
         }
 
-        $classPath .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
+        $classPath .= strtr($className, '_', DIRECTORY_SEPARATOR) . '.php';
 
-        foreach ($this->prefixes as $prefix => $dirs) {
-            if (0 === strpos($class, $prefix)) {
-                foreach ($dirs as $dir) {
-                    if (file_exists($dir . DIRECTORY_SEPARATOR . $classPath)) {
-                        return $dir . DIRECTORY_SEPARATOR . $classPath;
+        $first = $class[0];
+        if (isset($this->prefixes[$first])) {
+            foreach ($this->prefixes[$first] as $prefix => $dirs) {
+                if (0 === strpos($class, $prefix)) {
+                    foreach ($dirs as $dir) {
+                        if (file_exists($dir . DIRECTORY_SEPARATOR . $classPath)) {
+                            return $dir . DIRECTORY_SEPARATOR . $classPath;
+                        }
                     }
                 }
             }
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
index af4ad58..7a91153 100644
--- a/vendor/composer/autoload_classmap.php
+++ b/vendor/composer/autoload_classmap.php
@@ -1,6 +1,6 @@
 <?php
 
-// autoload_classmap.php generated by Composer
+// autoload_classmap.php @generated by Composer
 
 $vendorDir = dirname(dirname(__FILE__));
 $baseDir = dirname($vendorDir);
diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
index 549dece..687326d 100644
--- a/vendor/composer/autoload_namespaces.php
+++ b/vendor/composer/autoload_namespaces.php
@@ -1,11 +1,11 @@
 <?php
 
-// autoload_namespaces.php generated by Composer
+// autoload_namespaces.php @generated by Composer
 
 $vendorDir = dirname(dirname(__FILE__));
 $baseDir = dirname($vendorDir);
 
 return array(
-    'Twig_' => $vendorDir . '/twig/twig/lib',
-    'Michelf' => $vendorDir . '/michelf/php-markdown',
+    'Twig_' => array($vendorDir . '/twig/twig/lib'),
+    'Michelf' => array($vendorDir . '/michelf/php-markdown'),
 );
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index 7006333..3d2926d 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -1,8 +1,8 @@
 <?php
 
-// autoload_real.php generated by Composer
+// autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInitd3f3ddfcd389e44ff4d537046ed744e9
+class ComposerAutoloaderInit85cada45d374b066060648da37bbf294
 {
     private static $loader;
 
@@ -19,16 +19,16 @@ class ComposerAutoloaderInitd3f3ddfcd389e44ff4d537046ed744e9
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInitd3f3ddfcd389e44ff4d537046ed744e9', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInit85cada45d374b066060648da37bbf294', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader();
-        spl_autoload_unregister(array('ComposerAutoloaderInitd3f3ddfcd389e44ff4d537046ed744e9', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInit85cada45d374b066060648da37bbf294', 'loadClassLoader'));
 
         $vendorDir = dirname(__DIR__);
         $baseDir = dirname($vendorDir);
 
         $map = require __DIR__ . '/autoload_namespaces.php';
         foreach ($map as $namespace => $path) {
-            $loader->add($namespace, $path);
+            $loader->set($namespace, $path);
         }
 
         $classMap = require __DIR__ . '/autoload_classmap.php';
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 6a4868b..0b95cb4 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -1,55 +1,4 @@
 [
-    {
-        "name": "twig/twig",
-        "version": "v1.13.1",
-        "version_normalized": "1.13.1.0",
-        "source": {
-            "type": "git",
-            "url": "https://github.com/fabpot/Twig.git",
-            "reference": "v1.13.1"
-        },
-        "dist": {
-            "type": "zip",
-            "url": "https://api.github.com/repos/fabpot/Twig/zipball/v1.13.1",
-            "reference": "v1.13.1",
-            "shasum": ""
-        },
-        "require": {
-            "php": ">=5.2.4"
-        },
-        "time": "2013-06-06 06:06:01",
-        "type": "library",
-        "extra": {
-            "branch-alias": {
-                "dev-master": "1.13-dev"
-            }
-        },
-        "installation-source": "dist",
-        "autoload": {
-            "psr-0": {
-                "Twig_": "lib/"
-            }
-        },
-        "notification-url": "https://packagist.org/downloads/",
-        "license": [
-            "BSD-3"
-        ],
-        "authors": [
-            {
-                "name": "Fabien Potencier",
-                "email": "fabien@symfony.com"
-            },
-            {
-                "name": "Armin Ronacher",
-                "email": "armin.ronacher@active-4.com"
-            }
-        ],
-        "description": "Twig, the flexible, fast, and secure template language for PHP",
-        "homepage": "http://twig.sensiolabs.org",
-        "keywords": [
-            "templating"
-        ]
-    },
     {
         "name": "michelf/php-markdown",
         "version": "1.3",
@@ -102,5 +51,56 @@
         "keywords": [
             "markdown"
         ]
+    },
+    {
+        "name": "twig/twig",
+        "version": "v1.13.2",
+        "version_normalized": "1.13.2.0",
+        "source": {
+            "type": "git",
+            "url": "https://github.com/fabpot/Twig.git",
+            "reference": "6d6a1009427d1f398c9d40904147bf9f723d5755"
+        },
+        "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/fabpot/Twig/zipball/6d6a1009427d1f398c9d40904147bf9f723d5755",
+            "reference": "6d6a1009427d1f398c9d40904147bf9f723d5755",
+            "shasum": ""
+        },
+        "require": {
+            "php": ">=5.2.4"
+        },
+        "time": "2013-08-03 15:35:31",
+        "type": "library",
+        "extra": {
+            "branch-alias": {
+                "dev-master": "1.13-dev"
+            }
+        },
+        "installation-source": "dist",
+        "autoload": {
+            "psr-0": {
+                "Twig_": "lib/"
+            }
+        },
+        "notification-url": "https://packagist.org/downloads/",
+        "license": [
+            "BSD-3-Clause"
+        ],
+        "authors": [
+            {
+                "name": "Fabien Potencier",
+                "email": "fabien@symfony.com"
+            },
+            {
+                "name": "Armin Ronacher",
+                "email": "armin.ronacher@active-4.com"
+            }
+        ],
+        "description": "Twig, the flexible, fast, and secure template language for PHP",
+        "homepage": "http://twig.sensiolabs.org",
+        "keywords": [
+            "templating"
+        ]
     }
 ]
diff --git a/vendor/twig/twig/.travis.yml b/vendor/twig/twig/.travis.yml
index e6d3b61..8569a39 100644
--- a/vendor/twig/twig/.travis.yml
+++ b/vendor/twig/twig/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 5.2
   - 5.3
   - 5.4
+  - 5.5
 
 env:
   - TWIG_EXT=no
diff --git a/vendor/twig/twig/CHANGELOG b/vendor/twig/twig/CHANGELOG
index fedfc32..80ff9d2 100644
--- a/vendor/twig/twig/CHANGELOG
+++ b/vendor/twig/twig/CHANGELOG
@@ -1,3 +1,8 @@
+* 1.13.2 (2013-08-03)
+
+ * fixed the error line number for an error occurs in and embedded template
+ * fixed crashes of the C extension on some edge cases
+
 * 1.13.1 (2013-06-06)
 
  * added the possibility to ignore the filesystem constructor argument in Twig_Loader_Filesystem
diff --git a/vendor/twig/twig/composer.json b/vendor/twig/twig/composer.json
index 3c5d079..67a08aa 100644
--- a/vendor/twig/twig/composer.json
+++ b/vendor/twig/twig/composer.json
@@ -4,7 +4,7 @@
     "description": "Twig, the flexible, fast, and secure template language for PHP",
     "keywords": ["templating"],
     "homepage": "http://twig.sensiolabs.org",
-    "license": "BSD-3",
+    "license": "BSD-3-Clause",
     "authors": [
         {
             "name": "Fabien Potencier",
diff --git a/vendor/twig/twig/lib/Twig/Environment.php b/vendor/twig/twig/lib/Twig/Environment.php
index 3afa73d..6d4c5c5 100644
--- a/vendor/twig/twig/lib/Twig/Environment.php
+++ b/vendor/twig/twig/lib/Twig/Environment.php
@@ -16,7 +16,7 @@
  */
 class Twig_Environment
 {
-    const VERSION = '1.13.1';
+    const VERSION = '1.13.2';
 
     protected $charset;
     protected $loader;
@@ -728,7 +728,7 @@ class Twig_Environment
     public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
     {
         if ($this->extensionInitialized) {
-            throw new LogicException('Unable to add a node visitor as extensions have already been initialized.', $extension->getName());
+            throw new LogicException('Unable to add a node visitor as extensions have already been initialized.');
         }
 
         $this->staging->addNodeVisitor($visitor);
diff --git a/vendor/twig/twig/lib/Twig/Error.php b/vendor/twig/twig/lib/Twig/Error.php
index 72d91a9..61a4cfa 100644
--- a/vendor/twig/twig/lib/Twig/Error.php
+++ b/vendor/twig/twig/lib/Twig/Error.php
@@ -186,6 +186,7 @@ class Twig_Error extends Exception
     protected function guessTemplateInfo()
     {
         $template = null;
+        $templateClass = null;
 
         if (version_compare(phpversion(), '5.3.6', '>=')) {
             $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS | DEBUG_BACKTRACE_PROVIDE_OBJECT);
@@ -195,8 +196,11 @@ class Twig_Error extends Exception
 
         foreach ($backtrace as $trace) {
             if (isset($trace['object']) && $trace['object'] instanceof Twig_Template && 'Twig_Template' !== get_class($trace['object'])) {
-                if (null === $this->filename || $this->filename == $trace['object']->getTemplateName()) {
+                $currentClass = get_class($trace['object']);
+                $isEmbedContainer = 0 === strpos($templateClass, $currentClass);
+                if (null === $this->filename || ($this->filename == $trace['object']->getTemplateName() && !$isEmbedContainer)) {
                     $template = $trace['object'];
+                    $templateClass = get_class($trace['object']);
                 }
             }
         }
diff --git a/vendor/twig/twig/lib/Twig/Loader/Filesystem.php b/vendor/twig/twig/lib/Twig/Loader/Filesystem.php
index f9211cb..d47781a 100644
--- a/vendor/twig/twig/lib/Twig/Loader/Filesystem.php
+++ b/vendor/twig/twig/lib/Twig/Loader/Filesystem.php
@@ -16,6 +16,9 @@
  */
 class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderInterface
 {
+    /** Identifier of the main namespace. */
+    const MAIN_NAMESPACE = '__main__';
+
     protected $paths;
     protected $cache;
 
@@ -38,7 +41,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
      *
      * @return array The array of paths where to look for templates
      */
-    public function getPaths($namespace = '__main__')
+    public function getPaths($namespace = self::MAIN_NAMESPACE)
     {
         return isset($this->paths[$namespace]) ? $this->paths[$namespace] : array();
     }
@@ -46,7 +49,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
     /**
      * Returns the path namespaces.
      *
-     * The "__main__" namespace is always defined.
+     * The main namespace is always defined.
      *
      * @return array The array of defined namespaces
      */
@@ -61,7 +64,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
      * @param string|array $paths     A path or an array of paths where to look for templates
      * @param string       $namespace A path namespace
      */
-    public function setPaths($paths, $namespace = '__main__')
+    public function setPaths($paths, $namespace = self::MAIN_NAMESPACE)
     {
         if (!is_array($paths)) {
             $paths = array($paths);
@@ -81,7 +84,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
      *
      * @throws Twig_Error_Loader
      */
-    public function addPath($path, $namespace = '__main__')
+    public function addPath($path, $namespace = self::MAIN_NAMESPACE)
     {
         // invalidate the cache
         $this->cache = array();
@@ -101,7 +104,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
      *
      * @throws Twig_Error_Loader
      */
-    public function prependPath($path, $namespace = '__main__')
+    public function prependPath($path, $namespace = self::MAIN_NAMESPACE)
     {
         // invalidate the cache
         $this->cache = array();
@@ -175,7 +178,7 @@ class Twig_Loader_Filesystem implements Twig_LoaderInterface, Twig_ExistsLoaderI
 
         $this->validateName($name);
 
-        $namespace = '__main__';
+        $namespace = self::MAIN_NAMESPACE;
         if (isset($name[0]) && '@' == $name[0]) {
             if (false === $pos = strpos($name, '/')) {
                 throw new Twig_Error_Loader(sprintf('Malformed namespaced template name "%s" (expecting "@namespace/template_name").', $name));
diff --git a/vendor/twig/twig/lib/Twig/Node/Expression/Call.php b/vendor/twig/twig/lib/Twig/Node/Expression/Call.php
index 87b62de..dba9b0e 100644
--- a/vendor/twig/twig/lib/Twig/Node/Expression/Call.php
+++ b/vendor/twig/twig/lib/Twig/Node/Expression/Call.php
@@ -146,7 +146,7 @@ abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
 
             if (array_key_exists($name, $parameters)) {
                 if (array_key_exists($pos, $parameters)) {
-                    throw new Twig_Error_Syntax(sprintf('Arguments "%s" is defined twice for %s "%s".', $name, $this->getAttribute('type'), $this->getAttribute('name')));
+                    throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $this->getAttribute('type'), $this->getAttribute('name')));
                 }
 
                 $arguments[] = $parameters[$name];
@@ -164,8 +164,8 @@ abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
             }
         }
 
-        foreach (array_keys($parameters) as $name) {
-            throw new Twig_Error_Syntax(sprintf('Unknown argument "%s" for %s "%s".', $name, $this->getAttribute('type'), $this->getAttribute('name')));
+        if (!empty($parameters)) {
+            throw new Twig_Error_Syntax(sprintf('Unknown argument%s "%s" for %s "%s".', count($parameters) > 1 ? 's' : '' , implode('", "', array_keys($parameters)), $this->getAttribute('type'), $this->getAttribute('name')));
         }
 
         return $arguments;