Merge pull request #6 from fideloper/composer

Updating composer file

Author: tnorthcutt

composer.json

@@ -2,9 +2,8 @@
   "name": "convertkit/convertkitapi",
   "description": "ConvertKit API SDK",
   "keywords": ["convertkit", "api", "forms"],
-  "version": "0.0.1",
   "require": {
-    "php": ">=5.3.0",
+    "php": ">=5.5",
     "guzzlehttp/guzzle": "^6.3",
     "monolog/monolog": "^1.0"
   },
@@ -16,8 +15,9 @@
       "ConvertKit_API\\": "src/"
     },
     "classmap": [
-      "src/"
+      "src/lib/"
     ]
   },
-  "minimum-stability": "dev"
+  "minimum-stability": "dev",
+  "prefer-stable": true
 }