diff --git a/.gitignore b/.gitignore
index f4558c7..427148e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
-
-# /
-/test
-/docs
-.idea/
+/test
+/docs
+/.idea/
 .DS_Store
-vendor
+/vendor/
+!/vendor/bootstrap.php
diff --git a/composer.json b/composer.json
index 3bfb17d..7df82f2 100644
--- a/composer.json
+++ b/composer.json
@@ -24,11 +24,13 @@
 		"ext-pcre": "*"
 	},
 	"require-dev": {
+		"firephp/firephp-core": "~0.4.0",
 		"leafo/lessphp": "~0.4.0",
 		"meenie/javascript-packer": "~1.1",
 		"tubalmartin/cssmin": "~2.4.8"
 	},
 	"suggest": {
+		"firephp/firephp-core": "FirePHP debug output",
 		"leafo/lessphp": "LESS support",
 		"meenie/javascript-packer": "Keep track of the Packer PHP port using Composer",
 		"tubalmartin/cssmin": "Support minify with CSSMin (YUI PHP port)"
diff --git a/min/builder/index.php b/min/builder/index.php
index 35e10a9..de19dd4 100644
--- a/min/builder/index.php
+++ b/min/builder/index.php
@@ -22,11 +22,9 @@ if (0 === strpos($_SERVER["SERVER_SOFTWARE"], 'Apache/')
     }
 }
 
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
 require dirname(__FILE__) . '/../config.php';
 
-require "$min_libPath/Minify/Loader.php";
-Minify_Loader::register();
-
 if (! $min_enableBuilder) {
     header('Content-Type: text/plain');
     die('This application is not enabled. See http://code.google.com/p/minify/wiki/BuilderApp');
diff --git a/min/builder/ocCheck.php b/min/builder/ocCheck.php
index 5c40e74..4af8525 100644
--- a/min/builder/ocCheck.php
+++ b/min/builder/ocCheck.php
@@ -5,6 +5,8 @@
  * @package Minify
  */
 
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
+
 $_oc = ini_get('zlib.output_compression');
  
 // allow access only if builder is enabled
@@ -20,7 +22,6 @@ if (isset($_GET['hello'])) {
     // try to prevent double encoding (may not have an effect)
     ini_set('zlib.output_compression', '0');
     
-    require $min_libPath . '/HTTP/Encoder.php';
     HTTP_Encoder::$encodeToIe6  = true; // just in case
     $he = new HTTP_Encoder(array(
         'content' => 'World!'
diff --git a/min/config.php b/min/config.php
index ee757e1..4d9f355 100644
--- a/min/config.php
+++ b/min/config.php
@@ -57,7 +57,6 @@ $min_allowDebugFlag = false;
  * To use APC/Memcache/ZendPlatform for cache storage, require the class and
  * set $min_cachePath to an instance. Example below:
  */
-//require dirname(__FILE__) . '/lib/Minify/Cache/APC.php';
 //$min_cachePath = new Minify_Cache_APC();
 
 
@@ -72,6 +71,7 @@ $min_allowDebugFlag = false;
  * second line. The third line might work on some Apache servers.
  */
 $min_documentRoot = '';
+//$min_documentRoot = dirname(dirname(dirname(__FILE__)));
 //$min_documentRoot = substr(__FILE__, 0, -15);
 //$min_documentRoot = $_SERVER['SUBDOMAIN_DOCUMENT_ROOT'];
 
@@ -180,12 +180,5 @@ $min_symlinks = array();
 $min_uploaderHoursBehind = 0;
 
 
-/**
- * Path to Minify's lib folder. If you happen to move it, change 
- * this accordingly.
- */
-$min_libPath = dirname(__FILE__) . '/lib';
-
-
 // try to disable output_compression (may not have an effect)
 ini_set('zlib.output_compression', '0');
diff --git a/min/index.php b/min/index.php
index f23d508..e8c36e7 100644
--- a/min/index.php
+++ b/min/index.php
@@ -7,6 +7,8 @@
  * @package Minify
  */
 
+require dirname(__FILE__). '/../vendor/bootstrap.php';
+
 define('MINIFY_MIN_DIR', dirname(__FILE__));
 
 // set config path defaults
@@ -28,9 +30,6 @@ if (isset($_GET['test'])) {
     include $min_configPaths['test'];
 }
 
-require "$min_libPath/Minify/Loader.php";
-Minify_Loader::register();
-
 // use an environment object to encapsulate all input
 $server = $_SERVER;
 if ($min_documentRoot) {
diff --git a/min/lib/Minify/Loader.php b/min/lib/Minify/Loader.php
index 0a225c0..591528f 100644
--- a/min/lib/Minify/Loader.php
+++ b/min/lib/Minify/Loader.php
@@ -17,12 +17,26 @@ class Minify_Loader {
         $file .= strtr($class, "\\_", DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR) . '.php';
         if (is_readable($file)) {
             require $file;
+            return;
         }
+
+        $map = array(
+            'JavascriptPacker' => 'class.JavaScriptPacker.php',
+        );
+
+        if (!isset($map[$class])) {
+            return;
+        }
+
+        @include $map[$class];
     }
 
-    static public function register()
+    public static function register()
     {
         $inst = new self();
         spl_autoload_register(array($inst, 'loadClass'));
+        return $inst;
     }
 }
+
+return Minify_Loader::register();
diff --git a/min/lib/Minify/Packer.php b/min/lib/Minify/Packer.php
index 949c3ee..1826990 100644
--- a/min/lib/Minify/Packer.php
+++ b/min/lib/Minify/Packer.php
@@ -14,14 +14,6 @@
  * @package Minify  
  */
 
-if (false === (@include 'class.JavaScriptPacker.php')) {
-    trigger_error(
-        'The script "class.JavaScriptPacker.php" is required. Please see: http:'
-        .'//code.google.com/p/minify/source/browse/trunk/min/lib/Minify/Packer.php'
-        ,E_USER_ERROR
-    );
-}
-
 /**
  * Minify Javascript using Dean Edward's Packer
  * 
diff --git a/min/utils.php b/min/utils.php
index 7cf930a..80c89b1 100644
--- a/min/utils.php
+++ b/min/utils.php
@@ -10,10 +10,7 @@
  * @package Minify
  */
 
-if (! class_exists('Minify_Loader', false)) {
-    require dirname(__FILE__) . '/lib/Minify/Loader.php';
-    Minify_Loader::register();
-}
+require dirname(__FILE__) . '/../vendor/bootstrap.php';
 
 /*
  * Get an HTML-escaped Minify URI for a group or set of files. By default, URIs
diff --git a/min_extras/cli/minify.php b/min_extras/cli/minify.php
index e0c4b15..e3df308 100755
--- a/min_extras/cli/minify.php
+++ b/min_extras/cli/minify.php
@@ -1,10 +1,7 @@
 #!/usr/bin/env php
 <?php
 
-$pathToLib = dirname(dirname(__DIR__)) . '/min/lib';
-
-require "$pathToLib/Minify/Loader.php";
-Minify_Loader::register();
+require dirname(dirname(__DIR__)) . '/vendor/bootstrap.php';
 
 $cli = new MrClay\Cli;
 
diff --git a/min_extras/cli/rewrite-uris.php b/min_extras/cli/rewrite-uris.php
index e0cbfa5..4b335f1 100755
--- a/min_extras/cli/rewrite-uris.php
+++ b/min_extras/cli/rewrite-uris.php
@@ -1,10 +1,7 @@
 #!/usr/bin/php
 <?php
 
-$pathToLib = dirname(dirname(__DIR__)) . '/min/lib';
-
-require "$min_libPath/Minify/Loader.php";
-Minify_Loader::register();
+require dirname(dirname(__DIR__)) . '/vendor/bootstrap.php';
 
 $cli = new MrClay\Cli;
 
diff --git a/min_extras/config.php b/min_extras/config.php
index b44bceb..3874313 100644
--- a/min_extras/config.php
+++ b/min_extras/config.php
@@ -4,9 +4,6 @@
 
 require dirname(__FILE__) . '/../min/config.php';
 
-require "$min_libPath/Minify/Loader.php";
-Minify_Loader::register();
-
 $minifyCachePath = isset($min_cachePath) 
     ? $min_cachePath 
     : '';
diff --git a/min_extras/tools/minifyTextarea.php b/min_extras/tools/minifyTextarea.php
index 8199fd6..8925f89 100644
--- a/min_extras/tools/minifyTextarea.php
+++ b/min_extras/tools/minifyTextarea.php
@@ -1,5 +1,7 @@
 <?php
 
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
+
 function getPost($key) {
     return get_magic_quotes_gpc()
         ? stripslashes($_POST[$key])
diff --git a/min_extras/tools/minifyUrl.php b/min_extras/tools/minifyUrl.php
index ce0e823..1c203bb 100644
--- a/min_extras/tools/minifyUrl.php
+++ b/min_extras/tools/minifyUrl.php
@@ -3,6 +3,8 @@
  * Fetch and minify a URL (auto-detect HTML/JS/CSS)
  */
 
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
+
 function getPost($key) {
     if (! isset($_POST[$key])) {
         return null;
diff --git a/min_extras/tools/testRewriteUri.php b/min_extras/tools/testRewriteUri.php
index b40d9d8..d26087a 100644
--- a/min_extras/tools/testRewriteUri.php
+++ b/min_extras/tools/testRewriteUri.php
@@ -1,4 +1,7 @@
 <?php
+
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
+
 header('Content-Type: text/html;charset=utf-8');
 
 function h($str) { return htmlspecialchars($str, ENT_QUOTES); }
@@ -55,4 +58,4 @@ if (isset($_POST['css'])) {
 <p><label>input CSS: <textarea name="css" cols="80" rows="5"><?php echo h(getPost('css', $defaultCss)); ?></textarea></label></p>
 <p><input type="submit" value="rewrite()" /></p>
 </form>
-<?php echo $out; ?>
\ No newline at end of file
+<?php echo $out; ?>
diff --git a/min_unit_tests/HTTP_ConditionalGet/2.php b/min_unit_tests/HTTP_ConditionalGet/2.php
index 9b66f24..06eedf5 100644
--- a/min_unit_tests/HTTP_ConditionalGet/2.php
+++ b/min_unit_tests/HTTP_ConditionalGet/2.php
@@ -1,7 +1,6 @@
 <?php
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/ConditionalGet.php';
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
 
 // emulate regularly updating document
 $every = 20;
diff --git a/min_unit_tests/HTTP_ConditionalGet/3.php b/min_unit_tests/HTTP_ConditionalGet/3.php
index 8f5482b..38c507f 100644
--- a/min_unit_tests/HTTP_ConditionalGet/3.php
+++ b/min_unit_tests/HTTP_ConditionalGet/3.php
@@ -1,7 +1,6 @@
 <?php
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/ConditionalGet.php';
+require dirname(__FILE__) . '/../../../vendor/bootstrap.php';
 
 // generate content first (not ideal)
 // emulate regularly updating document
@@ -37,4 +36,4 @@ $cg->setContentLength(strlen($content));
 $cg->sendHeaders();
 
 send_slowly($content);
-
+
diff --git a/min_unit_tests/HTTP_ConditionalGet/4.php b/min_unit_tests/HTTP_ConditionalGet/4.php
index 4b77d20..537649a 100644
--- a/min_unit_tests/HTTP_ConditionalGet/4.php
+++ b/min_unit_tests/HTTP_ConditionalGet/4.php
@@ -1,13 +1,11 @@
 <?php
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/ConditionalGet.php';
+require dirname(__FILE__) . '/../../../vendor/bootstrap.php';
 
 // emulate regularly updating document
 $every = 20;
 $lastModified = round(time()/$every)*$every - $every;
 
-require 'HTTP/Encoder.php';
 list($enc,) = HTTP_Encoder::getAcceptedEncoding();
 
 $cg = new HTTP_ConditionalGet(array(
diff --git a/min_unit_tests/HTTP_ConditionalGet/5.php b/min_unit_tests/HTTP_ConditionalGet/5.php
index b443c19..0cd2ec7 100644
--- a/min_unit_tests/HTTP_ConditionalGet/5.php
+++ b/min_unit_tests/HTTP_ConditionalGet/5.php
@@ -1,7 +1,6 @@
 <?php
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/ConditionalGet.php';
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
 
 // far expires
 $cg = new HTTP_ConditionalGet(array(
diff --git a/min_unit_tests/HTTP_ConditionalGet/index.php b/min_unit_tests/HTTP_ConditionalGet/index.php
index 0e4192e..e0444c9 100644
--- a/min_unit_tests/HTTP_ConditionalGet/index.php
+++ b/min_unit_tests/HTTP_ConditionalGet/index.php
@@ -1,7 +1,6 @@
 <?php
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/ConditionalGet.php';
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
 
 // emulate regularly updating document
 $every = 20;
@@ -33,4 +32,4 @@ echo send_slowly(get_content(array(
     'title' => $title
     ,'explain' => $explain
 )));
-
+
diff --git a/min_unit_tests/HTTP_Encoder/index.php b/min_unit_tests/HTTP_Encoder/index.php
index c9a391d..31d2507 100644
--- a/min_unit_tests/HTTP_Encoder/index.php
+++ b/min_unit_tests/HTTP_Encoder/index.php
@@ -1,8 +1,7 @@
 <?php
 ini_set('display_errors', 'on');
 
-set_include_path(get_include_path() . PATH_SEPARATOR . realpath(dirname(__FILE__) . '/../../min/lib'));
-require 'HTTP/Encoder.php';
+require dirname(__FILE__) . '/../../vendor/bootstrap.php';
 
 if (!isset($_GET['test'])) {
     $type = 'text/html';
@@ -56,5 +55,3 @@ $he = new HTTP_Encoder(array(
 ));
 $he->encode();
 $he->sendAll();
-
-?>
\ No newline at end of file
diff --git a/min_unit_tests/_inc.php b/min_unit_tests/_inc.php
index 197ed95..24af676 100644
--- a/min_unit_tests/_inc.php
+++ b/min_unit_tests/_inc.php
@@ -1,10 +1,8 @@
 <?php
 
+require dirname(__FILE__) . '/../vendor/bootstrap.php';
 require dirname(__FILE__) . '/../min/config.php';
 
-require "$min_libPath/Minify/Loader.php";
-Minify_Loader::register();
-
 // set cache path and doc root if configured
 $minifyCachePath = isset($min_cachePath) 
     ? $min_cachePath 
@@ -59,4 +57,4 @@ function countBytes($str)
         : strlen($str);
 }
 
-ob_start();
\ No newline at end of file
+ob_start();
diff --git a/vendor/bootstrap.php b/vendor/bootstrap.php
new file mode 100644
index 0000000..40238d3
--- /dev/null
+++ b/vendor/bootstrap.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * Sets up autoloader for Minify
+ *
+ * @package Minify
+ */
+
+$includeIfExists = function($file) {
+    return file_exists($file) ? include $file : false;
+};
+
+if (!$includeIfExists(__DIR__.'/autoload.php')) {
+    echo 'You must set up the project dependencies, run the following commands:'.PHP_EOL.
+        'curl -sS https://getcomposer.org/installer | php'.PHP_EOL.
+        'php composer.phar install'.PHP_EOL;
+    exit(1);
+}
+
+unset($includeIfExists);