Switch from ANSI/ASCII to UNICODE

[tomdaley92]

Areas affected:

• program arguments
• open file dialog filenames
• profiles.ini file contents and path (cli option)
• rom filename (stored in program and profiles.ini, passed as cli option)
• potentially more?

This is a reminder to look into switching to unicode for any textual strings being input from the user or user's OS. Things like file paths, program arguments, etc.. before the next release.

[tomdaley92]

https://docs.microsoft.com/en-us/previous-versions/cc194801(v=msdn.10)