BUILD: 0.1 untested
KNOWN BUGS: 0
NOTE: Purely idea

    BUILD: 0.1.1 alpha
    NOTE: First executable main(), tri-function, procedural
          Needs way to handle scores

    BUILD: 0.1.2 alpha
    FIXED: Player names input as lower case (always!)
           Added score command to print_help()
    BUG FIX: Test len(args) in add command