Update & Improvement

Update CRUDBooster.php

Fixing get module path

Update CBBackend.php

Fix missing DB

Update README.md

Merge pull request crocodic-studio#1318 from sameerpanjwani/5.4.0

Fix for PHP 7.2

Fixing API

- Fix Issue about (field) must be a file #1208 
- Add method output([ ]) to make a response on the hook methods

Bug fix hook_after_add $id null #1256

Also child issue

update composer file

Update CrudboosterVersionCommand.php

Update CrudboosterVersionCommand.php