v2.0 trade_buy and trade_sell problems

When submitting a trade_buy request to the v2.0 endpoint, we get this:

There was a problem processing your request. If this problem persists, please email support@bittrex.com with this error id - a4e8ec80-1a22-4e9e-bece-dcaea19124c9

I've made some small fixes to the methods trade_buy and trade_sell and they now work off the bat. Unfortunately I don't know how/if I can directly make this suggestion with GIT, so here it is

`def trade_buy(self, market=None, order_type=None, quantity=None, rate=None, time_in_effect=TIMEINEFFECT_GOOD_TIL_CANCELLED, condition_type=CONDITIONTYPE_NONE, target=0): """ Enter a buy order into the book Endpoint 1.1 NO EQUIVALENT -- see buy_market or buy_limit 2.0 /key/market/tradebuy

    :param market: String literal for the market (ex: BTC-LTC)
    :type market: str
    :param order_type: ORDERTYPE_LIMIT = 'LIMIT' or ORDERTYPE_MARKET = 'MARKET'
    :type order_type: str
    :param quantity: The amount to purchase
    :type quantity: float
    :param rate: The rate at which to place the order.
        This is not needed for market orders
    :type rate: float
    :param time_in_effect: TIMEINEFFECT_GOOD_TIL_CANCELLED = 'GOOD_TIL_CANCELLED',
            TIMEINEFFECT_IMMEDIATE_OR_CANCEL = 'IMMEDIATE_OR_CANCEL', or TIMEINEFFECT_FILL_OR_KILL = 'FILL_OR_KILL'
    :type time_in_effect: str
    :param condition_type: CONDITIONTYPE_NONE = 'NONE', CONDITIONTYPE_GREATER_THAN = 'GREATER_THAN',
            CONDITIONTYPE_LESS_THAN = 'LESS_THAN', CONDITIONTYPE_STOP_LOSS_FIXED = 'STOP_LOSS_FIXED',
            CONDITIONTYPE_STOP_LOSS_PERCENTAGE = 'STOP_LOSS_PERCENTAGE'
    :type condition_type: str
    :param target: used in conjunction with condition_type
    :type target: float
    :return:
    """
    return self._api_query(path_dict={
        API_V2_0: '/key/market/TradeBuy'
    }, options={
        'marketName': market,
        'orderType': order_type,
        'quantity': quantity,
        'rate': rate,
        'timeInEffect': time_in_effect,
        'conditionType': condition_type,
        'target': target
    }, protection=PROTECTION_PRV)

` def trade_sell(self, market=None, order_type=None, quantity=None, rate=None, time_in_effect=TIMEINEFFECT_GOOD_TIL_CANCELLED, condition_type=CONDITIONTYPE_NONE, target=0): """ Enter a sell order into the book Endpoint 1.1 NO EQUIVALENT -- see sell_market or sell_limit 2.0 /key/market/tradesell

    :param market: String literal for the market (ex: BTC-LTC)
    :type market: str
    :param order_type: ORDERTYPE_LIMIT = 'LIMIT' or ORDERTYPE_MARKET = 'MARKET'
    :type order_type: str
    :param quantity: The amount to purchase
    :type quantity: float
    :param rate: The rate at which to place the order.
        This is not needed for market orders
    :type rate: float
    :param time_in_effect: TIMEINEFFECT_GOOD_TIL_CANCELLED = 'GOOD_TIL_CANCELLED',
            TIMEINEFFECT_IMMEDIATE_OR_CANCEL = 'IMMEDIATE_OR_CANCEL', or TIMEINEFFECT_FILL_OR_KILL = 'FILL_OR_KILL'
    :type time_in_effect: str
    :param condition_type: CONDITIONTYPE_NONE = 'NONE', CONDITIONTYPE_GREATER_THAN = 'GREATER_THAN',
            CONDITIONTYPE_LESS_THAN = 'LESS_THAN', CONDITIONTYPE_STOP_LOSS_FIXED = 'STOP_LOSS_FIXED',
            CONDITIONTYPE_STOP_LOSS_PERCENTAGE = 'STOP_LOSS_PERCENTAGE'
    :type condition_type: str
    :param target: used in conjunction with condition_type
    :type target: float
    :return:
    """
    rreturn self._api_query(path_dict={
        API_V2_0: '/key/market/TradeSell'
    }, options={
        'marketName': market,
        'orderType': order_type,
        'quantity': quantity,
        'rate': rate,
        'timeInEffect': time_in_effect,
        'conditionType': condition_type,
        'target': target
    }, protection=PROTECTION_PRV)

ericsomdahl / python-bittrex

v2.0 trade_buy and trade_sell problems #131