-Added new IOptionQuote interface and OptionQuotesUtility class for manipulating options quotes and populating CallPriceMarketData data structure.
-MEEFHistoricalQuote implements IOptionQuote.
-Constrain multiple requests to YahooFinance to be separated by at lest 3 seconds in order to increase the probability to be processed.
-YahooFinanceIntegration: uses new IOptionQuote interface to extract CallPriceMarketData