Ability to manage game configs.

[boldandbrad]

euchre config get/list - returns current game configurations.
euchre config set key value - give a specified configuration key a new value. Should have good error handling.
euchre config reset key - returns a specified configuration key to its default value.
euchre config reset - returns all configurations to their respective default values.

First pass configs:

• User's name.
• Call them bowers true/false
• Coloring/styling on/off
• Auto play again mode.

Configs to come with future features:

• CPU levels/difficulty.
• Auto play last card in hand.
• Auto sort hand.
• Throw them in mode.
• Stick the dealer mode.
• Game speed/pace.