Cli.config_default_filenames(): Joined all dirs into one array.
Cli.config_default_filenames(): Removed dirs for Windows %SystemDrive%. Currently there is no need for them.
Cli.config_default_filenames(): Made all dirs into arrays for consitency.
Cli.config_default_filenames(): Replaced single-letter variables with names that are a little bit more descriptive.
Cli.config_default_filenames(): Minior error in spelling.