Merge pull request #14 from dopesong/patch-1

Use stable version of Slim 3

Author: geggleto

composer.json

@@ -20,6 +20,6 @@
     },
   "require-dev": {
     "phpunit/phpunit": "^4.0",
-    "slim/slim" : "^3.0-RC2"
+    "slim/slim" : "~3.0"
   }
 }