Get stock and mutual fund quotes from various exchanges

Changes for 1.57_03 - 2023-07-29T12:07:55-07:00

• AlphaVantage.pm - Apply currency scaling (GBp -> GBP) when symbol had additional ".X" suffix - Issue #281 Fixed check for "Information" JSON usually returned when daily API limit has been reached.
• YahooWeb.pm - Fixed incorrect pricing for single character symbols and changed URL to get trade date - Issues #314 #319
• Another fix to the URL in YahooJSON and CurrencyRates/YahooJSON - Issue #318