Form titles should be singular
Update Model.php

I was having issues where my application would crash when I tried to push a model with null relationships. This check prevents the crash by returning false when a null value is encountered.
Update Encryptable.php

bugfix when retrieving empty field using Encryptable
Fixes #52 - with redirect where url with some cyrilic strings(redirects to url like: http://domain/http://domain/site/backend/vendor/package/update/stringID)
Merge pull request #54 from scottbedard/patch-1

Adds null relationship check during push()
Merge pull request #55 from ebussola/develop

Update Encryptable.php
Better exception handling for #55