KD - refacatored game commands to it's own module.  Added gitignore file.  Added test helper to allow tests to run via ruby mine.
KD - added a gold test
KD - added weapons
KD - added overly simple armor
KD - simplified defense and attack power methods.  Added ability to equip an item
KD - changed test helper so you don't need to change the load path in each test
KD - added an EquipmentService to handle putting on equipment