braziliex: success exists only in private api responses

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1.10.648

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proper strict comparisons (===, !==) transpilation for python

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1.10.646

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1.10.645

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bleutrade: withdraw fees

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1.10.643

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bitbay: withdraw fees

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add active flag to gdax

gdax has an (undocumented) "status" attribute with a known value of "online".
This patch for javascript adds the active attribute for gdax set to `true` if `status` contains the value `online`.

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binance parseTickers now defaults to symbols = undefined ccxt#1177

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