* add expenses, vendors and vendor_contacts along with factories and test data
* padding out vendors, expenses
* Minor fixes
* Add Expense and Company TransformerS
* 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
* Fixes for missing company object in events
* Cleanup client balancing code
* Fixes for client balance
* Fixes for missing company variable
* Fix activity transformer to prevent multiple DB calls
* Implement first_load query parameter which checks client size and returns an truncated response if client count is greater than 1000
* Fixes for listeners
* Fix for CORs error where file download were being prevented by headers
* Fixes for CORs and File downloads
* give contextual error messages for invalid route actions
* Clean up LoginController for OAuth Testing
* Quote Actions
* Invoice and Quote Actions
* Fix for client currency
