* Fixes for company settings object creation
* Working on group settings
* Fixes for storing the correct currency_id on client creation
* Fix for invoicetransformer
* Remove unnecessary save() on invoice
* Update copyright
* Working on Credit Repository
* Implement credits as a paymentable entity
* Add credit_id to transformer
* fix rules for update payment
* Fix random deleted_at keys in transformers
* Fix for password_protect check