bump php requirement up to 5.3

chrisboulton · chrisboulton · commit a77699549bb5 · 2013-01-12T23:06:55.000+11:00
diff --git a/README.md b/README.md
@@ -37,7 +37,7 @@ pre and post jobs
 
 ## Requirements ##
 
-* PHP 5.2+
+* PHP 5.3+
 * Redis 2.2+
 * Optional but Recommended: Composer
 
