bitso fees fix ccxt#8412

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kucoin: switch to api v2 for orderbook

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examples/ccxt.pro/py/binance-futures.py

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binance fapi minor cleanup

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binance exceptions map

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remove extra slash

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binance fetchMyTrades sapi/margin private trades / fills fix ccxt#8401

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binance fetchOHLCV support since = 0 fix ccxt#8399

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examples/js/fetch-all-balances minor edit

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binance broker edits

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