* Initial currency overhaul before service system implementation
* Remove redundant currency string in orderbook.Base
Unexport lastupdated field in orderbook.Base as it was being instantiated multiple times
Add error handling for process orderbook
* Remove redundant currency string in ticker.Price
Unexport lastupdated field in ticker.Price
Add error handling for process ticker function and fix tests
* Phase Two Update
* Update translations to use map type - thankyou to kempeng for spotting this
* Change pair method name from Display -> Format for better readability
* Fixes misspelling and tests
* Implement requested changes from GloriousCode
* Remove reduntant function and streamlined return in currency_translation.go
* Revert pair method naming conventions
* Change currency naming conventions
* Changed code type to exported Item type with underlying string to reduce complexity
* Added interim orderbook process method to orderbook.Base type
* Changed feebuilder struct field to currency.Pair
* Adds fall over system for backup fx providers
* deprecate function and children and fix linter issue with btcmarkets
* Fixed requested changes
* Fix bug and move mtx for rates
* Fixed after rebase oopsies
* Fix linter issues
* Fixes race conditions in testing functions
* Final phase coinmarketcap update
* fix linter issues
* Implement requested changes
* Adds configuration variables to increase/decrease time durations between updating currency file and fetching new currency rates
* Add a collection of tests to improve codecov
* After rebase oopsy fixes for btse
* Fix requested changes
* fix after rebase oopsies and add more efficient comparison checks within currency pair
* Fix linter issues
