merged branch lyrixx/composer (PR #325)

Commits
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f1414641 Tweaked composer.json

Discussion
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Tweaked composer.json

* Symfony components  now require php >= 5.3.3
* Pimple is now taggured

composer.json

@@ -15,8 +15,8 @@
         }
     ],
     "require": {
-        "php": ">=5.3.2",
-        "pimple/pimple": "dev-master",
+        "php": ">=5.3.3",
+        "pimple/pimple": "1.*",
         "symfony/browser-kit": "2.1.*",
         "symfony/class-loader": "2.1.*",
         "symfony/css-selector": "2.1.*",