Merge pull request #35 from mlopes/master

Bump supported phpspec version to 3.1.0 up to 3.2

Author: mcurran-inviqa

composer.json

@@ -16,7 +16,7 @@
         }
     },
     "require": {
-        "phpspec/phpspec": "~3.0.0"
+        "phpspec/phpspec": "~3.0 <3.2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.4"