parseBalance minor edits

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liquid throw DDoSProtection on http status code 429 fix ccxt#4123

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bittrex deposits timestamp = updated

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quadrigacx parseTrade market['base'] bug fix ccxt#4122

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kraken this.options[delistedMarketsById]

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kraken getDelistedMarketById for parseTrade/parseOrder

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quadrigacx python fetchMyTrades/parseTrade missing symbol fix ccxt#4120

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added more clarifications on orders other than limit and market to th…

…e Manual

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ci retrigger

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minor edits to FAQ.md

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