Fleshing out appearance-utility standalone app.  Added input/output processing, argument parsing, and general error handling.
Fleshing out appearance-utility standalone app.  Added input/output processing, argument parsing, and general error handling.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm