[bitfinex2] added undocumented parameter which appears to return trades executed before jan 1st 2018 (https://github.com/bitfinexcom/bitfinex-api-node/issues/113#issuecomment-353288362)
[bitfinex2] added undocumented parameter which appears to return trades executed before jan 1st 2018 (https://github.com/bitfinexcom/bitfinex-api-node/issues/113#issuecomment-353288362)

ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt