btcbox cleanup [ci skip]

transpile.js minor typo [ci skip]

Adds bitflyer's "List Balance History" endpoint https://lightning.bitflyer.com/docs?lang=en#list-balance-history [ci skip]

added notes on ticker structure to the Manual ccxt#4537 [ci skip]

deribit handleErrors added ccxt#3782 [ci skip]

Fixes ccxt#4536 [ci skip]

kucoin v1 cleanup & ci retrigger [ci skip]

exmo PHP transpilation += → this.sum fix ccxt#4534 [ci skip]

braziliex fetchCurrencies guards for undefined properties [ci skip]

bitforex minor edits [ci skip]