Library "ETFFinderLib" TODO: add library description here
etf_search_ticker(ticker) searches the entire ETF library by ticker and identifies which ETFs hold a specific tickers. Parameters: ticker (string) Returns: returns 2 arrays, holding_array (string array) and compo_array(float array)
etf_search_sectors(sector) searches the entire ETF library by sector and pulls by desired sector Parameters: sector (string) Returns: returns 2 arrays, sector_array (string array) and composition array (float array)