Bump minor version (backwards-compatible API changes)

composer.json

@@ -9,7 +9,7 @@
             "name": "Zach Borboa"
         }
     ],
-    "version": "3.0.3",
+    "version": "3.1.3",
     "require": {
         "php": ">=5.3",
         "ext-curl": "*"

src/Curl/Curl.php

@@ -4,7 +4,7 @@ namespace Curl;
 
 class Curl
 {
-    const VERSION = '3.0.3';
+    const VERSION = '3.1.3';
     const DEFAULT_TIMEOUT = 30;
 
     public $curl;