Merge pull request #7 from pennyphp/feature/no-dev

Update dependency

Author: Gianluca Arbezzano

composer.json

@@ -11,7 +11,7 @@
     "require": {
         "gianarb/penny": "dev-master",
         "squizlabs/php_codesniffer": "~2.5",
-        "filp/whoops": "^1.2@dev"
+        "filp/whoops": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0"