* Version bump 0.0.2
* code cleanup
* Working on reversing an invoice
* Working on reversing an invoice
* Working on refunding invoice
* Reversing invoices
* Test for invoice reversals
* Invoice Reversal
* 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