Revert PHP 5.4.0 requirement back to 5.3.3 for now

Author: theseer

composer.json

@@ -13,7 +13,7 @@
     "issues" : "https://github.com/theseer/phpdox/issues"
   },
   "require" : {
-    "php" : ">=5.4.0",
+    "php" : ">=5.3.3",
     "ext-tokenizer" : "*",
     "ext-dom" : "*",
     "ext-xsl" : "*",

package.xml

@@ -41,7 +41,7 @@
      <dependencies>
       <required>
        <php>
-        <min>5.4.0</min>
+        <min>5.3.3</min>
        </php>
        <pearinstaller>
         <min>1.9.2</min>