diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d81ab63e..4e86e28b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,18 @@
+# v0.9.6 beta
+## 11/17/2014
+
+1. [](#improved)
+    * Moved base_url variables into Grav container
+    * Forced media sorting to use natural sort order by default
+    * Various PSR code tidying
+    * Added filename, extension, thumb to all medium objects
+2. [](#bugfix)
+    * Fix for infinite loop in page.content()
+    * Fix hostname for configuration overrides
+    * Fix for cached configuration
+    * Fix for relative URLs in markdown on installs with no base_url
+    * Fix for page media images with uppercase extension
+
 # v0.9.5 beta
 ## 11/09/2014
 
diff --git a/system/config/system.yaml b/system/config/system.yaml
index f1bae7697..7cdc6703b 100644
--- a/system/config/system.yaml
+++ b/system/config/system.yaml
@@ -1,3 +1,5 @@
+absolute_urls: false                   # Whether to use absolute URLs.
+
 home:
   alias: '/home'                       # Default path for home, ie /
 
diff --git a/system/defines.php b/system/defines.php
index 8e7b035ef..38b114b95 100644
--- a/system/defines.php
+++ b/system/defines.php
@@ -2,7 +2,7 @@
 
 // Some standard defines
 define('GRAV', true);
-define('GRAV_VERSION', '0.9.5');
+define('GRAV_VERSION', '0.9.6');
 define('DS', '/');
 
 // Directories and Paths
diff --git a/system/src/Grav/Common/Assets.php b/system/src/Grav/Common/Assets.php
index 4f332ab36..b23f1465e 100644
--- a/system/src/Grav/Common/Assets.php
+++ b/system/src/Grav/Common/Assets.php
@@ -97,9 +97,8 @@ class Assets
     {
         /** @var Config $config */
         $config = self::$grav['config'];
-        $base_url = trim($config->get('system.base_url_relative'));
-        $theme = trim($config->get('system.pages.theme'));
-        $asset_config = (array)$config->get('system.assets');
+        $base_url = self::$grav['base_url'];
+        $asset_config = (array) $config->get('system.assets');
 
         $this->config($asset_config);
         $this->base_url = $base_url . '/';
diff --git a/system/src/Grav/Common/Config/Config.php b/system/src/Grav/Common/Config/Config.php
index a93eb63e5..0a6b174d7 100644
--- a/system/src/Grav/Common/Config/Config.php
+++ b/system/src/Grav/Common/Config/Config.php
@@ -166,13 +166,6 @@ class Config extends Data
             return;
         }
 
-        /** @var Uri $uri */
-        $uri = $this->grav['uri'];
-
-        // If not set, add manually current base url.
-        $this->def('system.base_url_absolute', $uri->rootUrl(true));
-        $this->def('system.base_url_relative', $uri->rootUrl(false));
-
         $this->loadCompiledBlueprints($this->blueprintLookup, $this->pluginLookup, 'master');
         $this->loadCompiledConfig($this->configLookup, $this->pluginLookup, 'master');
     }
diff --git a/system/src/Grav/Common/Grav.php b/system/src/Grav/Common/Grav.php
index 8ed8c499d..ad02ad8dd 100644
--- a/system/src/Grav/Common/Grav.php
+++ b/system/src/Grav/Common/Grav.php
@@ -142,6 +142,16 @@ class Grav extends Container
             return new Browser();
         };
 
+        $container['base_url_absolute'] = function ($c) {
+            return $c['config']->get('system.base_url_absolute') ?: $c['uri']->rootUrl(true);
+        };
+        $container['base_url_relative'] = function ($c) {
+            return $c['config']->get('system.base_url_relative') ?: $c['uri']->rootUrl(false);
+        };
+        $container['base_url'] = function ($c) {
+            return $c['config']->get('system.absolute_urls') ? $c['base_url_absolute'] : $c['base_url_relative'];
+        };
+
         $container->register(new StreamsServiceProvider);
         $container->register(new ConfigServiceProvider);
 
diff --git a/system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php b/system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php
index 1357c686b..a1ab41906 100644
--- a/system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php
+++ b/system/src/Grav/Common/Markdown/MarkdownGravLinkTrait.php
@@ -22,7 +22,7 @@ trait MarkdownGravLinkTrait
         // Run the parent method to get the actual results
         $Excerpt = parent::identifyLink($Excerpt);
         $actions = array();
-        $this->base_url = trim($config->get('system.base_url_relative'));
+        $this->base_url = self::$grav['base_url'];
 
         // if this is a link
         if (isset($Excerpt['element']['attributes']['href'])) {
@@ -113,7 +113,7 @@ trait MarkdownGravLinkTrait
     protected function convertUrl($markdown_url)
     {
         // if absolue and starts with a base_url move on
-        if ($this->base_url == '' || strpos($markdown_url, $this->base_url) === 0) {
+        if ($this->base_url != '' && strpos($markdown_url, $this->base_url) === 0) {
             $new_url = $markdown_url;
         // if its absolute with /
         } elseif (strpos($markdown_url, '/') === 0) {
diff --git a/system/src/Grav/Common/Page/Media.php b/system/src/Grav/Common/Page/Media.php
index 055552c12..ca175c7b4 100644
--- a/system/src/Grav/Common/Page/Media.php
+++ b/system/src/Grav/Common/Page/Media.php
@@ -57,7 +57,7 @@ class Media extends Getters
             }
 
             //set file size
-            $medium->set('size',$info->getSize());
+            $medium->set('size', $info->getSize());
 
             // Assign meta files to the medium.
             if ($meta) {
@@ -84,7 +84,7 @@ class Media extends Getters
             $config = self::$grav['config'];
 
             // Check if medium type has been configured.
-            $params = $config->get("media.{$ext}");
+            $params = $config->get("media.".strtolower($ext));
             if (!$params) {
                 return null;
             }
@@ -129,6 +129,7 @@ class Media extends Getters
      */
     public function all()
     {
+        ksort($this->instances, SORT_NATURAL | SORT_FLAG_CASE);
         return $this->instances;
     }
 
@@ -139,6 +140,7 @@ class Media extends Getters
      */
     public function images()
     {
+        ksort($this->images, SORT_NATURAL | SORT_FLAG_CASE);
         return $this->images;
     }
 
@@ -149,6 +151,7 @@ class Media extends Getters
      */
     public function videos()
     {
+        ksort($this->videos, SORT_NATURAL | SORT_FLAG_CASE);
         return $this->videos;
     }
 
@@ -159,6 +162,7 @@ class Media extends Getters
      */
     public function files()
     {
+        ksort($this->files, SORT_NATURAL | SORT_FLAG_CASE);
         return $this->files;
     }
 
diff --git a/system/src/Grav/Common/Page/Medium.php b/system/src/Grav/Common/Page/Medium.php
index f98c0d2c3..85082009f 100644
--- a/system/src/Grav/Common/Page/Medium.php
+++ b/system/src/Grav/Common/Page/Medium.php
@@ -48,9 +48,10 @@ class Medium extends Data
     protected $image;
 
     protected $type = 'guess';
-    protected $quality = 80;
+    protected $quality = 85;
 
-    public static $valid_actions = ['resize', 'forceResize', 'cropResize', 'crop', 'cropZoom', 'negate', 'brightness', 'contrast', 'grayscale', 'emboss', 'smooth', 'sharp', 'edge', 'colorize', 'sepia' ];
+    public static $valid_actions = ['resize', 'forceResize', 'cropResize', 'crop', 'cropZoom',
+        'negate', 'brightness', 'contrast', 'grayscale', 'emboss', 'smooth', 'sharp', 'edge', 'colorize', 'sepia' ];
 
     /**
      * @var array
@@ -71,10 +72,15 @@ class Medium extends Data
     {
         parent::__construct($items, $blueprint);
 
+        $file_path = $this->get('path') . '/' . $this->get('filename');
+        $file_parts = pathinfo($file_path);
+
+        $this->set('thumb', $file_path);
+        $this->set('extension', $file_parts['extension']);
+        $this->set('filename', $this->get('filename'));
+
         if ($this->get('type') == 'image') {
-            $filePath = $this->get('path') . '/' . $this->get('filename');
-            $image_info = getimagesize($filePath);
-            $this->set('thumb', $filePath);
+            $image_info = getimagesize($file_path);
             $this->def('width', $image_info[0]);
             $this->def('height', $image_info[1]);
             $this->def('mime', $image_info['mime']);
@@ -82,6 +88,8 @@ class Medium extends Data
         } else {
             $this->def('mime', 'application/octet-stream');
         }
+
+
     }
 
     /**
@@ -117,9 +125,10 @@ class Medium extends Data
     /**
      * Sets the quality of the image
      * @param  Int $quality 0-100 quality
-     * @return Medium        
+     * @return Medium
      */
-    public function quality($quality) {
+    public function quality($quality)
+    {
         $this->quality = $quality;
         return $this;
     }
@@ -131,9 +140,6 @@ class Medium extends Data
      */
     public function url()
     {
-        /** @var Config $config */
-        $config = self::$grav['config'];
-
         if ($this->image) {
             $output = $this->image->cacheFile($this->type, $this->quality);
             $this->reset();
@@ -142,7 +148,7 @@ class Medium extends Data
             $output = $relPath . '/' . $this->get('filename');
         }
 
-        return $config->get('system.base_url_relative') . '/'. $output;
+        return self::$grav['base_url'] . '/'. $output;
     }
 
     /**
@@ -150,6 +156,7 @@ class Medium extends Data
      *
      * @param string $type
      * @param int $quality
+     * @return $this
      */
     public function format($type = null, $quality = 80)
     {
@@ -212,7 +219,7 @@ class Medium extends Data
             /** @var Config $config */
             $config = self::$grav['config'];
 
-            $output = '<a href="' . $config->get('system.base_url_relative') . '/'. $this->linkTarget
+            $output = '<a href="' . self::$grav['base_url'] . '/'. $this->linkTarget
                 . '"' . $this->linkAttributes. ' class="'. $class . '">' . $output . '</a>';
 
             $this->linkTarget = $this->linkAttributes = null;
@@ -241,7 +248,7 @@ class Medium extends Data
         $config = self::$grav['config'];
         $url = $this->url();
         $this->link($width, $height);
-        $lightbox_url = $config->get('system.base_url_relative') . '/'. $this->linkTarget;
+        $lightbox_url = self::$grav['base_url'] . '/'. $this->linkTarget;
 
         return array('a_url' => $lightbox_url, 'a_rel' => 'lightbox', 'img_url' => $url);
     }
diff --git a/system/src/Grav/Common/Page/Page.php b/system/src/Grav/Common/Page/Page.php
index 6a49b0a56..53ca9143a 100644
--- a/system/src/Grav/Common/Page/Page.php
+++ b/system/src/Grav/Common/Page/Page.php
@@ -315,12 +315,12 @@ class Page
             /** @var Cache $cache */
             $cache = self::$grav['cache'];
             $cache_id = md5('page'.$this->id());
-            $content = $cache->fetch($cache_id);
+            $this->content = $cache->fetch($cache_id);
 
             $update_cache = false;
-            if ($content === false) {
+            if ($this->content === false) {
                 // Process Markdown
-                $content = $this->processMarkdown();
+                $this->content = $this->processMarkdown();
                 $update_cache = true;
             }
 
@@ -332,7 +332,7 @@ class Page
 
                 // Do we want to cache markdown, but process twig in each page?
                 if ($update_cache && $process_twig) {
-                    $cache->save($cache_id, $content);
+                    $cache->save($cache_id, $this->content);
                     $update_cache = false;
                 }
 
@@ -340,24 +340,22 @@ class Page
                 if ($update_cache || $process_twig) {
                     /** @var Twig $twig */
                     $twig = self::$grav['twig'];
-                    $content = $twig->processPage($this, $content);
+                    $this->content = $twig->processPage($this, $this->content);
                 }
             }
 
             // Cache the whole page, including processed content
             if ($update_cache) {
-                $cache->save($cache_id, $content);
+                $cache->save($cache_id, $this->content);
             }
 
             // Handle summary divider
-            $divider_pos = strpos($content, '<p>'.SUMMARY_DELIMITER.'</p>');
+            $divider_pos = strpos($this->content, '<p>'.SUMMARY_DELIMITER.'</p>');
             if ($divider_pos !== false) {
                 $this->summary_size = $divider_pos;
-                $content = str_replace('<p>'.SUMMARY_DELIMITER.'</p>', '', $content);
+                $this->content = str_replace('<p>'.SUMMARY_DELIMITER.'</p>', '', $this->content);
             }
 
-            $this->content = $content;
-
             // Process any post-processing but pre-caching functionality
             self::$grav->fireEvent('onPageContentProcessed', new Event(['page' => $this]));
 
diff --git a/system/src/Grav/Common/Themes.php b/system/src/Grav/Common/Themes.php
index f5648391c..e7620cede 100644
--- a/system/src/Grav/Common/Themes.php
+++ b/system/src/Grav/Common/Themes.php
@@ -97,7 +97,7 @@ class Themes extends Iterator
         $thumb = "themes://{$name}/thumbnail.jpg";
 
         if (file_exists($thumb)) {
-            $blueprint->set('thumbnail', $this->config->get('system.base_url_relative') . "/user/themes/{$name}/thumbnail.jpg");
+            $blueprint->set('thumbnail', $this->grav['base_url'] . "/user/themes/{$name}/thumbnail.jpg");
         }
 
         // Load default configuration.
diff --git a/system/src/Grav/Common/Twig.php b/system/src/Grav/Common/Twig.php
index acdf04bd0..417576d31 100644
--- a/system/src/Grav/Common/Twig.php
+++ b/system/src/Grav/Common/Twig.php
@@ -102,13 +102,10 @@ class Twig
             }
             $this->twig->addExtension(new TwigExtension());
 
-
             $this->grav->fireEvent('onTwigExtensions');
 
-            $baseUrlAbsolute = $config->get('system.base_url_absolute');
-            $baseUrlRelative = $config->get('system.base_url_relative');
             $theme = $config->get('system.pages.theme');
-            $themeUrl = $baseUrlRelative .'/'. USER_PATH . basename(THEMES_DIR) .'/'. $theme;
+            $themeUrl = $this->grav['base_url'] .'/'. USER_PATH . basename(THEMES_DIR) .'/'. $theme;
 
             // Set some standard variables for twig
             $this->twig_vars = array(
@@ -116,8 +113,9 @@ class Twig
                 'config' => $config,
                 'uri' => $this->grav['uri'],
                 'base_dir' => rtrim(ROOT_DIR, '/'),
-                'base_url_absolute' => $baseUrlAbsolute,
-                'base_url_relative' => $baseUrlRelative,
+                'base_url' => $this->grav['base_url'],
+                'base_url_absolute' => $this->grav['base_url_absolute'],
+                'base_url_relative' => $this->grav['base_url_relative'],
                 'theme_dir' => $locator->findResource('theme://'),
                 'theme_url' => $themeUrl,
                 'site' => $config->get('site'),
diff --git a/system/src/Grav/Common/Uri.php b/system/src/Grav/Common/Uri.php
index 4dbdb14d0..5658d335c 100644
--- a/system/src/Grav/Common/Uri.php
+++ b/system/src/Grav/Common/Uri.php
@@ -55,10 +55,10 @@ class Uri
         $address = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '::1';
 
         // check for localhost variations
-        if ($address == '::1' || $address == '127.0.0.1') {
+        if ($name == 'localhost' || $address == '::1' || $address == '127.0.0.1') {
             $this->host = 'localhost';
         } else {
-            $this->host = gethostname();
+            $this->host = $name;
         }
 
         $this->base = $base;
diff --git a/user/config/system.yaml b/user/config/system.yaml
index bb63b403c..21dd89bf1 100644
--- a/user/config/system.yaml
+++ b/user/config/system.yaml
@@ -1,3 +1,5 @@
+absolute_urls: false
+
 home:
   alias: '/home'