Fetch Financial Price Series from Alphavantage

Generate Matlab table for ticker(s) queried through Alphavantage

After signing up for key from Alphavantage, enter this as variable Key, after which queries can be called for individual ticker symbols. Refer to website documentation for proper input pairs. As of latest upload date, all 'functions' appear to download correctly and format nicely into tabular data. The 'sector' query was particularly devilish to format. Version 2016b requires voiding of web secure certificate (which is done here) in order to fetch data using webread.