Sets a bunch of accept and cancel buttons, other hotkeys
Merge pull request #31 from MaxPeck/enteresc

Sets a bunch of accept and cancel buttons, other hotkeys
Addresses #9 and #14, with a quick change to help out #40.
Addresses #36.  Really dumb error where I pulled more cards instead of just using the cards I'd already pulled.
Addresses #33.
Addresses #40.