btcalpha parseTrade fix
btcalpha parseTrade fix

"type" property is, as I understand, the side where order has been created. fetchMyTrades side means our side, so we should use "my_side" property

[ { timestamp: 1543257698845,
    datetime: '2018-11-26T18:41:38.845Z',
    symbol: 'HQX/ETH',
    id: '18546016',
    order: undefined,
    type: 'limit',
    side: 'sell',
    price: 0.000048,
    amount: 527.01291574,
    cost: 0.025297,
    fee: undefined,
    info:
     { id: 18546016,
       timestamp: 1543257698.845597,
       pair: 'HQX_ETH',
       price: '0.00004800',
       amount: '527.01291574',
       type: 'sell',
       my_side: 'buy' } }]
ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt,ccxt/ccxt