quoinex, bitmex no hardcoded fees ccxt#2447

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1.12.74

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bitfinex *toPrecision quickfix for js

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minor typo in gatecoin fix ccxt#2229

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minor edit to huobipro

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added readme.md to package.json

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huobipro fetchClosedOrders → emulated

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missing await in huobipro loadTradingLimits

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added more links to examples/README.md

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paymium private API fix ccxt#1874

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