Add command-line options to initialize settings on statusbar

[Bill-Stewart]

First: Thanks for this project! It's great to have an easy-to-use, single executable terminal editor in Windows consoles. Very nice!

My suggestion for enhancement would be to have command-line options to initialize the settings currently available on the statusbar.

Examples:

--lineterminator LF — use LF instead of CRLF line terminators
--encoding encodingname — specify file encoding
--tabs — use tabs instead of spaces
--tabwidth width — if --tabs active, display width of tabs; if --tabs inactive, number of spaces to insert with each press of Tab key