* orderbook: export orderbook nodes for external strategy inspection
* orderbook: Add in methods for locking and unlocking multiple books at the same time e.g. book1.LockWith(book2); defer book1.UnlockWith(book2)
* include waiting functionality for depth change alert
* backtester: add word.
* log: include logger changes to impl with downstream integration
* engine: reduce params for loading exchange
* assort: rm verbose in tests, change wording in ob, expose sync.waitgroup for ext. sync options
* ticker: reduce map look ups and contention when using RW mutex when there are over 80% writes adds find last function to get the latest rate
* engine/syncmanager: add in waitgroup for step over for external package calls
* cleaup
* engine: linter fix
* currency/fx: include all references to fiat currencies to default
* orderbook: Add in fields to Unsafe type for strategies to detect potential out of sync book operations
* syncmanager: changed config variable to display correct time
* ordermanager: Add time when none provided
* currency/manager: update getasset param to get enabled assets for minor optimizations
* ftx: use get all wallet balances for a better accounts breakdown
* orderbook: unlock in reverse order
* bithumb: fixes bug on market buy and sell orders
* bithumb: fix bug for nonce is also time window sensitive
* bithumb: get orders add required parameter
* bithumb: Add asset type to account struct
* currency: improve log output when checking currency and it fails
* bithumb: Add error return on incomplete pair
* ticker:unexport all service related methods
* ticker/currency: fixes
* orderbook: fix comment
* engine: revert variable name in LoadExchange method
* sync_manager: fix panic when enabling disabling manager
* engine: fix naming convention of exported function and comments
* engine: update comment
* orderbook: fix comment for unsafe type
* renamed package to log to stop side import requirement
* reverted comment changes
* reverted comment changes
* one more reverting wording back to logger
* wording changes on comments
