allcoin + CNET + CK.USD ccxt#821

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1.10.350

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added missing loadMarkets to binance ccxt#820

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vc shorter definition

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added getbtc fix ccxt#805

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1.10.346

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bittrex fetchOrder extra params

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mercadobitcoin cancelOrder fix ccxt#817

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typo in exchange.py

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1.10.342

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