Bc9Basic update ver 9.2.7.1

[James C. Fuller]

Bug fix plus a few TCLib support items
https://sourceforge.net/projects/bc9basic/files/bc9Basic/bc9_9271.zip/download

I discovered you no longer get a command prompt using shift/right click from File Explorer with the Windows 10 1703 update. You get a PowerShell item instead.
Looks like a real PIA registry hack to get it back!!!
Of course cmd.exe is still there just not accessible from File Explorer.

James