Bigone: has fetchOrder

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build/transpile true/false preceded by a bracket

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hitbtc2 AuthenticationError import ccxt#6378

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1.21.60

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binance added fetchTradingFee, fetchTradingFees fix ccxt#6377

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okex3 withdraw trade_pwd precedence fix ccxt#6374

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README.md / social, link to gitter

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return an int from php milliseconds not a string

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Exchange.js keepAlive in Chrome fix ccxt#6368

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bittrex v2 endpoints

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