Objective-C client for the broker API of BTCTrader. You can use this client to connect to the APIs of btcturk.com, btcgreece.com, btcexchange.ph and other BTCTrader partners. The _baseUrl, public and private key variables needs must be set. To use with BTCTurk, set the _baseUrl to "https://www.btcturk.com" for BTCExchange.PH, use "https://btcexchange.ph" etc.. The public and private keys can be found under Account->API Access or similar pages in your account on each exchange.