ticker test excluded exchanges

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1.12.62

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Fixed not compatible with PHP 7.1

Fixes issue introduced in #f54d59a on PHP 7.1

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binance: handleErrors: removed obsolete 'order does not exist' check

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placed the string-checks higher in binance handleErrors ccxt#2317

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added OrderNotFound -2013 to binance errors fix ccxt#2317

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added exx fetchOrderBook limit fix ccxt#2426

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restored py/php files (missing async anyway) fix ccxt#2425

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kucoin trade side dealDirection → direction fix ccxt#2409

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gdax ohlcv default limit 350 → 300 fix ccxt#2422

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