src/main/java/mobi/boilr/libdynticker/core/Exchange.java
public double getLastValue(Pair pair) throws NumberFormatException, IOException, NoMarketDataException {
		double lastValue = Double.parseDouble(getTicker(pair));
		return lastValue;
	}
public double getLastValue(Pair pair) throws NumberFormatException, IOException, NoMarketDataException {
		double lastValue = Double.parseDouble(getTicker(pair));
		return lastValue;
	}
public double getLastValue ( Pair pair ) throws NumberFormatException , IOException , NoMarketDataException { double lastValue = Double . parseDouble ( getTicker ( pair ) ) ; return lastValue ; }
@param pair of exchange/coin

@return Returns the last value of the exchange for a given pair
coin/exchange. We have to use a double because some exchanges measure
values in satoshis (10^-8). A float has just 24 bits of precision which
is not enough to represent 8 decimal places.
@throws NumberFormatException
@throws IOException
@throws NoMarketDataException
@param pair of exchange / coin