hitbtc2 load withdrawal fees

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bitstamp default time in fetchTrades minute → hour fix ccxt#2314

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added support for $this->curl_options to Exchange.php fix ccxt#2302

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exmo missing semicolon minor fix

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exmo fetchOrder via order trades endpoint fix

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1.11.138

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minor fix

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added more tests to test.market.js

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added test.fetchMarkets.js

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1.11.134

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